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	diff --git a/darktheme/src/DarkStyle.cpp b/darktheme/src/DarkStyle.cpp
	index e21ef6e..16409dc 100644
	--- a/darktheme/src/DarkStyle.cpp
	+++ b/darktheme/src/DarkStyle.cpp
	@@ -1,2256 +1,2256 @@
	#include "DarkStyle.h"
	#include "NinePatch.h"
	#include "TraditionalWindowsStyleTreeControl.h"
	#include <QApplication>
	#include <QComboBox>
	#include <QDebug>
	#include <QDialogButtonBox>
	#include <QDockWidget>
	#include <QInputDialog>
	#include <QListView>
	#include <QMessageBox>
	#include <QPixmapCache>
	#include <QStyleOptionComplex>
	#include <QStyleOptionFrameV3>
	#include <QTableWidget>
	#include <QToolTip>
	#include <cmath>
	#include <cstdint>

	#define MBI_NORMAL 1
	#define MBI_HOT 2
	#define MBI_PUSHED 3
	#define MBI_DISABLED 4

	namespace {

	const int windowsItemFrame = 2; // menu item frame width
	const int windowsItemHMargin = 3; // menu item hor text margin
	const int windowsItemVMargin = 4; // menu item ver text margin
	const int windowsArrowHMargin = 6; // arrow horizontal margin
	const int windowsRightBorder = 15; // right border on windows

	void drawFrame(QPainter *pr, int x, int y, int w, int h, QColor color_topleft, QColor color_bottomright)
	{
	if (w < 3 \|\| h < 3) {
	if (w > 0 && h > 0) {
	pr->fillRect(x, y, w, h, color_topleft);
	}
	} else {
	if (!color_topleft.isValid()) color_topleft = Qt::black;
	if (!color_bottomright.isValid()) color_bottomright = color_topleft;
	pr->fillRect(x, y, w - 1, 1, color_topleft);
	pr->fillRect(x, y + 1, 1, h -1, color_topleft);
	pr->fillRect(x + w - 1, y, 1, h -1, color_bottomright);
	pr->fillRect(x + 1, y + h - 1, w - 1, 1, color_bottomright);
	}
	}

	void drawFrame(QPainter *pr, QRect const &r, QColor const &color_topleft, QColor const &color_bottomright)
	{
	return drawFrame(pr, r.x(), r.y(), r.width(), r.height(), color_topleft, color_bottomright);
	}

	struct TextureCacheItem {
	QString key;
	QPixmap pm;
	};

	QString pixmapkey(QString const &name, QString const &role, QSize const &size, QColor const &color)
	{
	QString key = "%1:%2:%3:%4:%5";
	key = key.arg(name).arg(role).arg(size.width()).arg(size.height()).arg(QString().sprintf("%02X%02X%02X", color.red(), color.green(), color.blue()));
	return key;
	}

	void drawRaisedFrame(QPainter *p, const QRect &rect, const QPalette &palette)
	{
	p->save();
	int x = rect.x();
	int y = rect.y();
	int w = rect.width();
	int h = rect.height();
	p->setClipRect(x, y, w, h);
	p->fillRect(x, y, w, h, palette.color(QPalette::Window));
	p->fillRect(x, y, w - 1, 1, palette.color(QPalette::Light));
	p->fillRect(x, y, 1, h - 1, palette.color(QPalette::Light));
	p->fillRect(x + 1, y + h - 2, w - 2, 1, palette.color(QPalette::Dark));
	p->fillRect(x + w - 2, y + 1, 1, h - 2, palette.color(QPalette::Dark));
	p->fillRect(x, y + h - 1, w, 1, palette.color(QPalette::Shadow));
	p->fillRect(x + w - 1, y, 1, h, palette.color(QPalette::Shadow));
	p->restore();
	}

	QImage loadImage(QString const &path, QString const &role = QString())
	{
	QImage image(path);
	image.setText("name", path);
	image.setText("role", role);
	return image;
	}

	QRgb colorize(QRgb color, int light, int alpha)
	{
	int r, g, b;
	r = g = b = 0;
	if (alpha != 0) {
	r = qRed(color);
	g = qGreen(color);
	b = qBlue(color);
	if (light < 128) {
	r = r * light / 127;
	g = g * light / 127;
	b = b * light / 127;
	} else {
	int u = 255 - light;
	r = 255 - (255 - r) * u / 127;
	g = 255 - (255 - g) * u / 127;
	b = 255 - (255 - b) * u / 127;
	}
	}
	return qRgba(r, g, b, alpha);
	}

	} // namespace

	// DarkStyle

	static const int TEXTURE_CACHE_SIZE = 100;

	struct DarkStyle::Private {
	QColor base_color;
	bool images_loaded = false;

	ScrollBarTextures hsb;
	ScrollBarTextures vsb;

	int scroll_bar_extent = -1;

	QImage button_normal;
	QImage button_press;

	QImage progress_horz;
	QImage progress_vert;

	TraditionalWindowsStyleTreeControl legacy_windows;

	};

	DarkStyle::DarkStyle(QColor const &base_color)
	: m(new Private)
	{
	setBaseColor(base_color);
	}

	DarkStyle::~DarkStyle()
	{
	delete m;
	}

	QColor DarkStyle::getBaseColor()
	{
	return m->base_color;
	}

	void DarkStyle::setBaseColor(QColor const &color)
	{
	m->base_color = color;
	m->images_loaded = false;
	}

	QColor DarkStyle::color(int level, int alpha) const
	{
	QColor c = m->base_color.lighter(level * 100 / 255);
	c.setAlpha(alpha);
	return c;
	}

	void DarkStyle::setScrollBarExtent(int n)
	{
	m->scroll_bar_extent = n;
	}

	QImage DarkStyle::colorizeImage(QImage image)
	{
	int w = image.width();
	int h = image.height();
	if (w > 0 && h > 0) {
	QColor c = color(128);
	QRgb rgb = c.rgb();
	Q_ASSERT(image.format() == QImage::Format_ARGB32);
	for (int y = 0; y < h; y++) {
	QRgb p = reinterpret_cast<QRgb >(image.scanLine(y));
	for (int x = 0; x < w; x++) {
	p[x] = colorize(rgb, qGray(p[x]), qAlpha(p[x]));
	}
	}
	}
	return image;
	}

	-QImage DarkStyle::loadColorizedImage(QString const &path, const QString &role)
	+QImage DarkStyle::loadColorizedImage(QString const &path, QString const &role)
	{
	QImage image = loadImage(path);
	image = colorizeImage(image);
	image.setText("name", path);
	image.setText("role", role);
	return image;
	}

	namespace {
	class Lighten {
	private:
	int lut[256];
	public:
	Lighten()
	{
	#if 0
	const double x = 0.75;
	for (int i = 0; i < 256; i++) {
	lut[i] = (int)(pow(i / 255.0, x) * 255);
	}
	#else
	for (int i = 0; i < 256; i++) {
	lut[i] = 255 - (255 - i) * 192 / 256;
	}
	#endif
	}
	int operator [] (int i)
	{
	return lut[i];
	}
	};
	}

	-DarkStyle::ButtonImages DarkStyle::generateButtonImages(const QString &path)
	+DarkStyle::ButtonImages DarkStyle::generateButtonImages(QString const &path)
	{
	QImage source = loadImage(path);
	ButtonImages buttons;
	int w = source.width();
	int h = source.height();
	if (w > 4 && h > 4) {
	QColor c = color(128);
	QRgb rgb = c.rgb();
	Lighten lighten;
	buttons.im_normal = source;
	buttons.im_hover = source;
	w -= 4;
	h -= 4;
	for (int y = 0; y < h; y++) {
	QRgb src1 = reinterpret_cast<QRgb >(source.scanLine(y + 1));
	QRgb src2 = reinterpret_cast<QRgb >(source.scanLine(y + 2));
	QRgb src3 = reinterpret_cast<QRgb >(source.scanLine(y + 3));
	QRgb dst0 = reinterpret_cast<QRgb >(buttons.im_normal.scanLine(y + 2)) + 2;
	QRgb dst1 = reinterpret_cast<QRgb >(buttons.im_hover.scanLine(y + 2)) + 2;
	for (int x = 0; x < w; x++) {
	int v = (int)qAlpha(src3[x + 3]) - (int)qAlpha(src1[x + 1]);
	v = (v + 256) / 2;
	int alpha = qAlpha(src2[x + 2]);
	dst0[x] = colorize(rgb, v, alpha);
	v = lighten[v];
	dst1[x] = colorize(rgb, v, alpha);
	}
	}
	buttons.im_normal.setText("name", source.text("name"));
	buttons.im_hover.setText("name", source.text("name"));
	buttons.im_normal.setText("role", "normal");
	buttons.im_hover.setText("role", "hover");
	}
	return buttons;
	}

	QImage DarkStyle::generateHoverImage(QImage const &source)
	{
	QImage newimage;
	int w = source.width();
	int h = source.height();
	if (w > 2 && h > 2) {
	QColor c = color(128);
	QRgb rgb = c.rgb();
	Lighten lighten;
	newimage = source;
	Q_ASSERT(newimage.format() == QImage::Format_ARGB32);
	w -= 2;
	h -= 2;
	for (int y = 0; y < h; y++) {
	QRgb ptr = reinterpret_cast<QRgb >(newimage.scanLine(y + 1)) + 1;
	for (int x = 0; x < w; x++) {
	int v = qGray(ptr[x]);
	v = lighten[v];
	ptr[x] = colorize(rgb, v, qAlpha(ptr[x]));
	}
	}
	newimage.setText("role", "hover");
	}
	return newimage;
	}

	void DarkStyle::loadImages()
	{
	if (m->images_loaded) return;

	if (!m->base_color.isValid()) {
	setBaseColor(Qt::white);
	}

	m->button_normal = loadColorizedImage(QLatin1String(":/darktheme/button/button_normal.png"), QLatin1String("normal"));
	m->button_press = loadColorizedImage(QLatin1String(":/darktheme/button/button_press.png"), QLatin1String("press"));

	m->hsb.sub_line = generateButtonImages(QLatin1String(":/darktheme/hsb/hsb_sub_line.png"));
	m->hsb.add_line = generateButtonImages(QLatin1String(":/darktheme/hsb/hsb_add_line.png"));
	m->hsb.page_bg = loadColorizedImage(QLatin1String(":/darktheme/hsb/hsb_page_bg.png"));
	m->hsb.slider.im_normal = loadColorizedImage(QLatin1String(":/darktheme/hsb/hsb_slider.png"));
	m->hsb.slider.im_hover = generateHoverImage(m->hsb.slider.im_normal);

	m->vsb.sub_line = generateButtonImages(QLatin1String(":/darktheme/vsb/vsb_sub_line.png"));
	m->vsb.add_line = generateButtonImages(QLatin1String(":/darktheme/vsb/vsb_add_line.png"));
	m->vsb.page_bg = loadColorizedImage(QLatin1String(":/darktheme/vsb/vsb_page_bg.png"));
	m->vsb.slider.im_normal = loadColorizedImage(QLatin1String(":/darktheme/vsb/vsb_slider.png"));
	m->vsb.slider.im_hover = generateHoverImage(m->vsb.slider.im_normal);

	m->progress_horz = loadImage(QLatin1String(":/darktheme/progress/horz.png"));
	m->progress_vert = loadImage(QLatin1String(":/darktheme/progress/vert.png"));

	m->images_loaded = true;
	}

	QPixmap DarkStyle::pixmapFromImage(const QImage &image, QSize size) const
	{
	QString key = pixmapkey(image.text("name"), image.text("role"), size, m->base_color);

	QPixmap *pm = QPixmapCache::find(key);
	if (pm) return *pm;

	TextureCacheItem t;
	t.key = key;
	t.pm = QPixmap::fromImage(image.scaled(size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
	QPixmapCache::insert(key, t.pm);
	return t.pm;
	}

	QColor DarkStyle::colorForSelectedFrame(const QStyleOption *opt) const
	{
	(void)opt;
	return QColor(128, 192, 255);
	}

	QColor DarkStyle::colorForItemView(QStyleOption const *opt) const
	{
	return opt->palette.color(QPalette::Dark);
	// return opt->palette.color(QPalette::Base); // これじゃない
	}

	void DarkStyle::drawNinePatchImage(QPainter *p, const QImage &image, const QRect &r, int w, int h) const
	{
	QImage im = createImageFromNinePatchImage(image, w, h);
	im.setText("name", image.text("name"));
	im.setText("role", image.text("role"));
	QPixmap pm = pixmapFromImage(im, r.size());
	p->drawPixmap(r.x(), r.y(), pm);
	}

	void DarkStyle::polish(QPalette &palette)
	{
	if (!m->base_color.isValid()) {
	setBaseColor(Qt::white);
	}
	loadImages();
	palette = QPalette(color(64));
	#ifndef Q_OS_WIN
	palette.setColor(QPalette::ToolTipText, Qt::black); // ツールチップの文字色
	#endif
	}

	void DarkStyle::drawGutter(QPainter *p, const QRect &r) const
	{
	int x = r.x();
	int y = r.y();
	int w = r.width();
	int h = r.height();
	QColor dark = color(32);
	QColor lite = color(128);
	if (w < h) {
	x += (w - 1) / 2;
	p->fillRect(x, y, 1, h, dark);
	p->fillRect(x + 1, y, 1, h, lite);
	} else if (w > h) {
	y += (h - 1) / 2;
	p->fillRect(x, y, w, 1, dark);
	p->fillRect(x, y + 1, w, 1, lite);
	}
	}

	void DarkStyle::drawSelectedMenuFrame(const QStyleOption option, QPainter p, QRect rect, const QWidget *widget, bool deep) const
	{
	(void)widget;
	QColor color = colorForSelectedFrame(option);

	int x, y, w, h;
	x = rect.x();
	y = rect.y();
	w = rect.width();
	h = rect.height();

	auto SetAlpha = [&](QColor *color, int alpha){
	if (deep) {
	alpha = alpha * 3 / 2;
	}
	color->setAlpha(alpha);
	};

	QString key = QString().sprintf("selection_frame:%02x%02x%02x:%dx%d", color.red(), color.green(), color.blue(), w, h);

	QPixmap pixmap;
	if (!QPixmapCache::find(key, &pixmap)) {
	pixmap = QPixmap(w, h);
	pixmap.fill(Qt::transparent);
	QPainter pr(&pixmap);
	pr.setRenderHint(QPainter::Antialiasing);

	QColor pencolor = color;
	SetAlpha(&pencolor, 128);
	pr.setPen(pencolor);
	pr.setBrush(Qt::NoBrush);

	QPainterPath path;
	path.addRoundedRect(1.5, 1.5, w - 1.5, h - 1.5, 3, 3);

	pr.drawPath(path);

	pr.setClipPath(path);

	int a = color.alpha();
	QColor color0 = color;
	QColor color1 = color;
	SetAlpha(&color0, 96 * a / 255);
	SetAlpha(&color1, 32 * a / 255);
	QLinearGradient gr(QPointF(0, 0), QPointF(0, h));
	gr.setColorAt(0, color0);
	gr.setColorAt(1, color1);
	QBrush br(gr);
	pr.fillRect(0, 0, w, h, br);

	pr.end();
	QPixmapCache::insert(key, pixmap);
	}

	p->drawPixmap(x, y, w, h, pixmap);
	}

	void DarkStyle::drawButton(QPainter p, const QStyleOption option) const
	{
	QRect rect = option->rect;
	int w = rect.width();
	int h = rect.height();

	#ifdef Q_OS_MAC
	int margin = pixelMetric(PM_ButtonMargin, option, nullptr);
	if (margin > 0) {
	int n = std::min(w, h);
	if (n > margin * 2) {
	n = (n - margin * 2) / 2;
	if (n > margin) n = margin;
	rect = rect.adjusted(n, n, -n, -n);
	w = rect.width();
	h = rect.height();
	}
	}
	#endif

	bool pressed = (option->state & (State_Sunken \| State_On));
	bool hover = (option->state & State_MouseOver);

	if (pressed) {
	drawNinePatchImage(p, m->button_press, rect, w, h);
	} else {
	drawNinePatchImage(p, m->button_normal, rect, w, h);
	}
	{
	QPainterPath path;
	path.addRoundedRect(rect, 6, 6); // 角丸四角形のパス
	p->save();
	p->setRenderHint(QPainter::Antialiasing);
	p->setClipPath(path);

	int x = rect.x();
	int y = rect.y();
	int w = rect.width();
	int h = rect.height();
	QColor color0, color1;
	#ifdef Q_OS_MAC
	if (pressed) {
	color0 = Qt::black;
	color1 = Qt::black;
	color0.setAlpha(48);
	color1.setAlpha(144);
	} else {
	color0 = Qt::black;
	color1 = Qt::black;
	color0.setAlpha(32);
	color1.setAlpha(128);
	}
	#else
	if (pressed) {
	color0 = Qt::black;
	color1 = Qt::black;
	color0.setAlpha(32);
	color1.setAlpha(128);
	} else if (hover) {
	color0 = Qt::black;
	color1 = Qt::black;
	color0.setAlpha(16);
	color1.setAlpha(96);
	} else {
	color0 = Qt::black;
	color1 = Qt::black;
	color0.setAlpha(32);
	color1.setAlpha(128);
	}
	#endif
	QLinearGradient gr(QPointF(x, y), QPointF(x, y + h));
	gr.setColorAt(0, color0);
	gr.setColorAt(1, color1);
	QBrush br(gr);
	p->fillRect(x, y, w, h, br);

	if (option->state & State_HasFocus) {
	#if 1
	p->setPen(QColor(80, 160, 255));
	p->setBrush(Qt::NoBrush);
	double m = 3.5;
	p->drawRoundedRect(((QRectF)rect).adjusted(m, m, -m, -m), 4, 4);
	#else
	p->fillRect(x, y, w, h, QColor(80, 160, 255, 32));
	#endif
	}

	p->restore();
	}
	}

	void DarkStyle::drawToolButton(QPainter p, const QStyleOption option) const
	{
	p->save();

	bool hover = (option->state & State_MouseOver);
	bool pressed = (option->state & State_Sunken);
	#ifdef Q_OS_MAC
	hover = false;
	#endif

	int x = option->rect.x();
	int y = option->rect.y();
	int w = option->rect.width();
	int h = option->rect.height();
	QColor color0, color1;
	#ifdef Q_OS_MAC
	if (pressed) {
	color0 = color(72);
	color1 = color(40);
	} else {
	color0 = color(80);
	color1 = color(48);
	}
	#else
	if (pressed) {
	color0 = color(80);
	color1 = color(48);
	} else if (hover) {
	color0 = color(96);
	color1 = color(64);
	} else {
	color0 = color(80);
	color1 = color(48);
	}
	#endif
	QLinearGradient gr(QPointF(x, y), QPointF(x, y + h));
	gr.setColorAt(0, color0);
	gr.setColorAt(1, color1);
	QBrush br(gr);
	p->fillRect(x, y, w, h, br);

	if (option->state & State_Raised) {
	drawFrame(p, option->rect, color(96), color(32));
	} else if (option->state & State_Sunken) {
	drawFrame(p, option->rect, color(48), color(48));
	}

	p->restore();
	}

	void DarkStyle::drawMenuBarBG(QPainter p, const QStyleOption option, QWidget const *widget) const
	{
	int x = option->rect.x();
	int y = widget->y();
	int w = option->rect.width();
	int h = widget->height();
	QLinearGradient gradient;
	gradient.setStart(x, y);
	gradient.setFinalStop(x, y + h / 2.0);
	gradient.setColorAt(0, option->palette.color(QPalette::Light));
	gradient.setColorAt(1, option->palette.color(QPalette::Window));
	p->fillRect(x, y, w, h, gradient);
	p->fillRect(x, y + h - 1, w, 1, option->palette.color(QPalette::Dark));
	}

	int DarkStyle::pixelMetric(PixelMetric metric, const QStyleOption option, const QWidget widget) const
	{
	if (metric == PM_ScrollBarExtent) {
	if (m->scroll_bar_extent > 0) {
	return m->scroll_bar_extent;
	}
	}
	if (metric == PM_SliderLength) {
	return std::min(widget->width(), widget->height());
	}
	return QProxyStyle::pixelMetric(metric, option, widget);
	}

	QRect DarkStyle::subControlRect(ComplexControl cc, const QStyleOptionComplex option, SubControl sc, const QWidget widget) const
	{
	if (cc == CC_Slider && sc == SC_SliderGroove) {
	return widget->rect();
	}
	if (cc == CC_Slider && sc == SC_SliderHandle) {
	if (const auto slider = qstyleoption_cast<const QStyleOptionSlider >(option)) {
	QRect rect;
	int extent = std::min(widget->width(), widget->height());
	int span = pixelMetric(PM_SliderLength, slider, widget);
	bool horizontal = slider->orientation == Qt::Horizontal;
	int sliderPos = sliderPositionFromValue(slider->minimum, slider->maximum,
	slider->sliderPosition,
	(horizontal ? slider->rect.width()
	: slider->rect.height()) - span,
	slider->upsideDown);
	if (horizontal) {
	rect.setRect(slider->rect.x() + sliderPos, slider->rect.y(), span, extent);
	} else {
	rect.setRect(slider->rect.x(), slider->rect.y() + sliderPos, extent, span);
	}
	return rect;
	}
	}
	if (cc == CC_GroupBox) {
	QRect ret;
	if (const auto groupBox = qstyleoption_cast<const QStyleOptionGroupBox >(option)) {
	switch (sc) {
	case SC_GroupBoxFrame:
	case SC_GroupBoxContents:
	{
	int topMargin = 0;
	int topHeight = 0;
	int verticalAlignment = proxy()->styleHint(SH_GroupBox_TextLabelVerticalAlignment, groupBox, widget);
	#ifdef Q_OS_MACX
	verticalAlignment \|= Qt::AlignVCenter;
	#endif
	if (groupBox->text.size() \|\| (groupBox->subControls & QStyle::SC_GroupBoxCheckBox)) {
	topHeight = groupBox->fontMetrics.height();
	if (verticalAlignment & Qt::AlignVCenter) {
	topMargin = topHeight / 2;
	} else if (verticalAlignment & Qt::AlignTop) {
	topMargin = topHeight;
	}
	}

	QRect frameRect = groupBox->rect;
	frameRect.setTop(topMargin);

	if (sc == SC_GroupBoxFrame) {
	ret = frameRect;
	break;
	}

	int frameWidth = 0;
	if ((groupBox->features & QStyleOptionFrame::Flat) == 0) {
	frameWidth = proxy()->pixelMetric(PM_DefaultFrameWidth, groupBox, widget);
	}
	ret = frameRect.adjusted(frameWidth, frameWidth + topHeight - topMargin, -frameWidth, -frameWidth);
	}
	break;
	case SC_GroupBoxCheckBox:
	case SC_GroupBoxLabel:
	{
	QFontMetrics fontMetrics = groupBox->fontMetrics;
	int h = fontMetrics.height();
	int tw = fontMetrics.size(Qt::TextShowMnemonic, groupBox->text + QLatin1Char(' ')).width();
	int marg = (groupBox->features & QStyleOptionFrame::Flat) ? 0 : 8;
	ret = groupBox->rect.adjusted(marg, 0, -marg, 0);
	ret.setHeight(h);

	int indicatorWidth = proxy()->pixelMetric(PM_IndicatorWidth, option, widget);
	int indicatorSpace = proxy()->pixelMetric(PM_CheckBoxLabelSpacing, option, widget) - 1;
	bool hasCheckBox = groupBox->subControls & QStyle::SC_GroupBoxCheckBox;
	int checkBoxSize = hasCheckBox ? (indicatorWidth + indicatorSpace) : 0;

	// Adjusted rect for label + indicatorWidth + indicatorSpace
	QRect totalRect = alignedRect(groupBox->direction, groupBox->textAlignment, QSize(tw + checkBoxSize, h), ret);

	// Adjust totalRect if checkbox is set
	if (hasCheckBox) {
	bool ltr = groupBox->direction == Qt::LeftToRight;
	int left = 0;
	// Adjust for check box
	if (sc == SC_GroupBoxCheckBox) {
	int indicatorHeight = proxy()->pixelMetric(PM_IndicatorHeight, option, widget);
	left = ltr ? totalRect.left() : (totalRect.right() - indicatorWidth);
	int top = totalRect.top() + qMax(0, fontMetrics.height() - indicatorHeight) / 2;
	totalRect.setRect(left, top, indicatorWidth, indicatorHeight);
	// Adjust for label
	} else {
	left = ltr ? (totalRect.left() + checkBoxSize - 2) : totalRect.left();
	totalRect.setRect(left, totalRect.top(), totalRect.width() - checkBoxSize, totalRect.height());
	}
	}
	ret = totalRect;
	}
	break;
	}
	return ret;
	}
	}
	return QProxyStyle::subControlRect(cc, option, sc, widget);
	}

	void DarkStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption option, QPainter p, const QWidget *widget) const
	{
	// qDebug() << pe;
	#ifdef Q_OS_LINUX
	if (pe == PE_FrameFocusRect) {
	QColor color(64, 128, 255);
	drawFrame(p, option->rect, color, color);
	return;
	}
	#endif
	if (pe == PE_IndicatorArrowDown) {
	switch (pe) {
	case PE_IndicatorArrowUp:
	case PE_IndicatorArrowDown:
	case PE_IndicatorArrowRight:
	case PE_IndicatorArrowLeft:
	{
	if (option->rect.width() <= 1 \|\| option->rect.height() <= 1) {
	break;
	}
	QRect r = option->rect.adjusted(-10, -10, 0, 10);
	int size = qMin(r.height(), r.width());
	QPixmap pixmap;
	if (1) {
	int border = size / 5;
	int sqsize = 2 * (size / 2);
	QImage image(sqsize, sqsize, QImage::Format_ARGB32_Premultiplied);
	image.fill(0);
	QPainter imagePainter(&image);

	QPolygon a;
	switch (pe) {
	case PE_IndicatorArrowUp:
	a.setPoints(3, border, sqsize / 2, sqsize / 2, border, sqsize - border, sqsize / 2);
	break;
	case PE_IndicatorArrowDown:
	a.setPoints(3, border, sqsize / 2, sqsize / 2, sqsize - border, sqsize - border, sqsize / 2);
	break;
	case PE_IndicatorArrowRight:
	a.setPoints(3, sqsize - border, sqsize / 2, sqsize / 2, border, sqsize / 2, sqsize - border);
	break;
	case PE_IndicatorArrowLeft:
	a.setPoints(3, border, sqsize / 2, sqsize / 2, border, sqsize / 2, sqsize - border);
	break;
	default:
	break;
	}

	int bsx = 0;
	int bsy = 0;

	if (option->state & State_Sunken) {
	bsx = pixelMetric(PM_ButtonShiftHorizontal, option, widget);
	bsy = pixelMetric(PM_ButtonShiftVertical, option, widget);
	}

	QRect bounds = a.boundingRect();
	int sx = sqsize / 2 - bounds.center().x() - 1;
	int sy = sqsize / 2 - bounds.center().y() - 1;
	imagePainter.translate(sx + bsx, sy + bsy);
	imagePainter.setPen(option->palette.buttonText().color());
	imagePainter.setBrush(option->palette.buttonText());
	imagePainter.setRenderHint(QPainter::Qt4CompatiblePainting);

	if (!(option->state & State_Enabled)) {
	imagePainter.translate(1, 1);
	imagePainter.setBrush(option->palette.light().color());
	imagePainter.setPen(option->palette.light().color());
	imagePainter.drawPolygon(a);
	imagePainter.translate(-1, -1);
	imagePainter.setBrush(option->palette.mid().color());
	imagePainter.setPen(option->palette.mid().color());
	}

	imagePainter.drawPolygon(a);
	imagePainter.end();
	pixmap = QPixmap::fromImage(image);
	}
	int xOffset = r.x() + (r.width() - size)/2;
	int yOffset = r.y() + (r.height() - size)/2;
	p->drawPixmap(xOffset, yOffset, pixmap);
	}
	}
	return;
	}
	if (pe == PE_PanelMenu) {
	QRect r = option->rect;
	drawFrame(p, r, Qt::black, Qt::black);
	r = r.adjusted(1, 1, -1, -1);
	drawFrame(p, r, color(128), color(64));
	r = r.adjusted(1, 1, -1, -1);
	p->fillRect(r, color(80));
	return;
	}
	if (pe == PE_FrameMenu) {
	return;
	}
	if (pe == PE_PanelButtonBevel) {
	drawButton(p, option);
	return;
	}
	if (pe == PE_PanelStatusBar) {
	p->fillRect(option->rect, option->palette.color(QPalette::Window));
	return;
	}
	if (pe == PE_FrameTabWidget) {
	drawRaisedFrame(p, option->rect, option->palette);
	return;
	}
	if (pe == PE_PanelLineEdit) {
	if (const auto panel = qstyleoption_cast<const QStyleOptionFrame >(option)) {
	p->fillRect(option->rect, colorForItemView(option));
	if (panel->lineWidth > 0) {
	drawFrame(p, option->rect, option->palette.color(QPalette::Shadow), option->palette.color(QPalette::Light));
	}
	}
	return;
	}
	if (pe == PE_FrameGroupBox) {
	p->save();
	p->setRenderHint(QPainter::Antialiasing);
	QRectF r = option->rect;
	r = r.adjusted(1.5, 1.5, -0.5, -0.5);
	p->setPen(option->palette.color(QPalette::Light));
	p->drawRoundedRect(r, 5, 5);
	r = r.adjusted(-1, -1, -1, -1);
	p->setPen(option->palette.color(QPalette::Dark));
	p->drawRoundedRect(r, 5, 5);
	p->restore();
	return;
	}
	if (pe == PE_PanelItemViewRow) {
	#ifdef Q_OS_WIN
	// thru
	#else
	return;
	#endif
	}
	if (pe == PE_PanelItemViewItem) {
	// p->fillRect(option->rect, colorForItemView(option)); // 選択枠を透過描画させるので背景は描かない
	if (auto const tableview = qobject_cast<QTableView const >(widget)) {
	Qt::PenStyle grid_pen_style = Qt::NoPen;
	if (tableview->showGrid()) {
	grid_pen_style = tableview->gridStyle();
	}
	QAbstractItemView::SelectionBehavior selection_behavior = tableview->selectionBehavior();
	if (grid_pen_style != Qt::NoPen) {
	int x = option->rect.x();
	int y = option->rect.y();
	int w = option->rect.width();
	int h = option->rect.height();
	p->fillRect(x + w - 1, y, 1, h, option->palette.color(QPalette::Dark));
	p->fillRect(x, y + h - 1, w, 1, option->palette.color(QPalette::Dark));
	}
	if (option->state & State_Selected) {
	p->save();
	p->setClipRect(option->rect);
	QRect r = widget->rect();
	if (selection_behavior == QAbstractItemView::SelectionBehavior::SelectRows) {
	r = QRect(r.x(), option->rect.y(), r.width(), option->rect.height());
	} else if (selection_behavior == QAbstractItemView::SelectionBehavior::SelectRows) {
	r = QRect(option->rect.x(), r.y(), option->rect.y(), r.height());
	}
	drawSelectedMenuFrame(option, p, r, widget);
	p->restore();
	}
	} else {
	int n = 0;
	if (option->state & State_Selected) {
	n++;
	}
	if (n > 0) {
	drawSelectedMenuFrame(option, p, option->rect, widget, n > 1);
	}
	}
	return;
	}
	if (pe == QStyle::PE_IndicatorBranch) {
	QColor bg = option->palette.color(QPalette::Base);
	p->fillRect(option->rect, bg);

	if (m->legacy_windows.drawPrimitive(pe, option, p, widget)) {
	return;
	}
	}
	if (pe == QStyle::PE_Widget) { // bg for messagebox
	const QDialogButtonBox *buttonBox = nullptr;

	if (qobject_cast<const QMessageBox *> (widget))
	buttonBox = widget->findChild<const QDialogButtonBox *>(QLatin1String("qt_msgbox_buttonbox"));
	#ifndef QT_NO_INPUTDIALOG
	else if (qobject_cast<const QInputDialog *> (widget))
	buttonBox = widget->findChild<const QDialogButtonBox *>(QLatin1String("qt_inputdlg_buttonbox"));
	#endif // QT_NO_INPUTDIALOG

	if (buttonBox) {
	int y = buttonBox->geometry().top();
	QRect r(option->rect.x(), y, option->rect.width(), 1);
	p->fillRect(r, option->palette.color(QPalette::Light));
	r.translate(0, -1);
	p->fillRect(r, option->palette.color(QPalette::Dark));
	}
	return;
	}
	#ifndef Q_OS_WIN
	if (pe == QStyle::PE_PanelTipLabel) {
	// ツールチップの背景パネル
	p->fillRect(option->rect, QColor(255, 255, 192));
	drawFrame(p, option->rect, Qt::black, Qt::black);
	return;
	}
	#endif
	// qDebug() << pe;
	QProxyStyle::drawPrimitive(pe, option, p, widget);
	}

	void DarkStyle::drawControl(ControlElement ce, const QStyleOption option, QPainter p, const QWidget *widget) const
	{
	// qDebug() << ce;
	bool disabled = !(option->state & State_Enabled);
	#ifdef Q_OS_MAC
	if (ce == CE_ToolBar) {
	int x = option->rect.x();
	int y = option->rect.y();
	int w = option->rect.width();
	int h = option->rect.height();
	p->fillRect(x, y + h - 1, w, 1, color(32));
	return;
	}
	#endif
	#ifdef Q_OS_LINUX
	if (ce == CE_ToolBar) {
	int x = option->rect.x();
	int y = option->rect.y();
	int w = option->rect.width();
	int h = option->rect.height();
	QColor color = option->palette.color(QPalette::Window);
	p->fillRect(x, y + h - 1, w, 1, color);
	return;
	}
	if (ce == CE_PushButtonLabel) {
	if (const QStyleOptionButton button = qstyleoption_cast<const QStyleOptionButton >(option)) {
	QRect ir = button->rect;
	uint tf = Qt::AlignVCenter \| Qt::TextShowMnemonic;
	QPoint buttonShift;

	if (option->state & State_Sunken) {
	buttonShift = QPoint(pixelMetric(PM_ButtonShiftHorizontal, option, widget), proxy()->pixelMetric(PM_ButtonShiftVertical, option, widget));
	}

	if (proxy()->styleHint(SH_UnderlineShortcut, button, widget)) {
	tf \|= Qt::TextShowMnemonic;
	} else {
	tf \|= Qt::TextHideMnemonic;
	}

	if (!button->icon.isNull()) {
	//Center both icon and text
	QPoint point;

	QIcon::Mode mode = button->state & State_Enabled ? QIcon::Normal : QIcon::Disabled;
	if (mode == QIcon::Normal && button->state & State_HasFocus) {
	mode = QIcon::Active;
	}

	QIcon::State state = QIcon::Off;

	if (button->state & State_On) {
	state = QIcon::On;
	}

	QPixmap pixmap = button->icon.pixmap(button->iconSize, mode, state);
	int w = pixmap.width();
	int h = pixmap.height();

	if (!button->text.isEmpty()) {
	w += button->fontMetrics.boundingRect(option->rect, tf, button->text).width() + 4;
	}

	point = QPoint(ir.x() + ir.width() / 2 - w / 2, ir.y() + ir.height() / 2 - h / 2);

	if (button->direction == Qt::RightToLeft) {
	point.rx() += pixmap.width();
	}

	p->drawPixmap(visualPos(button->direction, button->rect, point + buttonShift), pixmap);

	if (button->direction == Qt::RightToLeft) {
	ir.translate(-point.x() - 2, 0);
	} else {
	ir.translate(point.x() + pixmap.width() + 2, 0);
	}

	// left-align text if there is
	if (!button->text.isEmpty()) {
	tf \|= Qt::AlignLeft;
	}

	} else {
	tf \|= Qt::AlignHCenter;
	}

	ir.translate(buttonShift);

	if (button->features & QStyleOptionButton::HasMenu) {
	ir = ir.adjusted(0, 0, -pixelMetric(PM_MenuButtonIndicator, button, widget), 0);
	}

	drawItemText(p, ir, tf, option->palette, (button->state & State_Enabled), button->text, QPalette::ButtonText);
	return;
	}
	}
	if (ce == CE_RadioButton \|\| ce == CE_CheckBox) {
	if (const QStyleOptionButton btn = qstyleoption_cast<const QStyleOptionButton >(option)) {
	bool isRadio = (ce == CE_RadioButton);

	QStyleOptionButton subopt = *btn;
	subopt.rect = subElementRect(isRadio ? SE_RadioButtonIndicator : SE_CheckBoxIndicator, btn, widget);
	proxy()->drawPrimitive(isRadio ? PE_IndicatorRadioButton : PE_IndicatorCheckBox, &subopt, p, widget);
	subopt.rect = subElementRect(isRadio ? SE_RadioButtonContents : SE_CheckBoxContents, btn, widget);

	drawControl(isRadio ? CE_RadioButtonLabel : CE_CheckBoxLabel, &subopt, p, widget);

	if (btn->state & State_HasFocus) {
	QStyleOptionFocusRect fropt;
	fropt.QStyleOption::operator=(*btn);
	fropt.rect = subElementRect(isRadio ? SE_RadioButtonFocusRect : SE_CheckBoxFocusRect, btn, widget);
	drawPrimitive(PE_FrameFocusRect, &fropt, p, widget);
	}
	return;
	}
	}
	if (ce == CE_RadioButtonLabel \|\| ce == CE_CheckBoxLabel) {
	if (const QStyleOptionButton btn = qstyleoption_cast<const QStyleOptionButton >(option)) {
	uint alignment = visualAlignment(btn->direction, Qt::AlignLeft \| Qt::AlignVCenter);

	if (!styleHint(SH_UnderlineShortcut, btn, widget)) {
	alignment \|= Qt::TextHideMnemonic;
	}
	QPixmap pix;
	QRect textRect = btn->rect;
	if (!btn->icon.isNull()) {
	pix = btn->icon.pixmap(btn->iconSize, btn->state & State_Enabled ? QIcon::Normal : QIcon::Disabled);
	drawItemPixmap(p, btn->rect, alignment, pix);
	if (btn->direction == Qt::RightToLeft) {
	textRect.setRight(textRect.right() - btn->iconSize.width() - 4);
	} else {
	textRect.setLeft(textRect.left() + btn->iconSize.width() + 4);
	}
	}
	if (!btn->text.isEmpty()){
	drawItemText(p, textRect, alignment \| Qt::TextShowMnemonic, btn->palette, btn->state & State_Enabled, btn->text, QPalette::ButtonText);
	}
	return;
	}
	}
	if (ce == CE_ComboBoxLabel) {
	if (const QStyleOptionComboBox opt = qstyleoption_cast<const QStyleOptionComboBox >(option)) {
	QRect editRect = subControlRect(CC_ComboBox, opt, SC_ComboBoxEditField, widget);

	uint alignment = Qt::AlignLeft \| Qt::AlignVCenter;

	if (!styleHint(SH_UnderlineShortcut, opt, widget)) {
	alignment \|= Qt::TextHideMnemonic;
	}
	QPixmap pix;
	QRect iconRect(editRect);
	QIcon icon = opt->currentIcon;
	QString text = opt->currentText;
	if (!icon.isNull()) {
	pix = icon.pixmap(opt->iconSize, opt->state & State_Enabled ? QIcon::Normal : QIcon::Disabled);
	drawItemPixmap(p, iconRect, alignment, pix);
	if (opt->direction == Qt::RightToLeft) {
	editRect.setRight(editRect.right() - opt->iconSize.width() - 4);
	} else {
	editRect.setLeft(editRect.left() + opt->iconSize.width() + 4);
	}
	}
	if (!text.isEmpty()){
	drawItemText(p, editRect, alignment, opt->palette, opt->state & State_Enabled, text, QPalette::ButtonText);
	}
	return;
	}
	}
	#endif
	if (ce == CE_ShapedFrame) {
	if (auto const o = qstyleoption_cast<QStyleOptionFrameV3 const >(option)) {
	int lw = o->lineWidth;
	if (lw > 0) {
	QRect r = o->rect;
	if (o->frameShape == QFrame::Panel \|\| o->frameShape == QFrame::HLine \|\| o->frameShape == QFrame::VLine) {
	if (o->state & (State_Sunken \| State_Raised)) {
	if (r.width() < r.height()) {
	if (r.width() > 2) {
	r.adjust(0, 0, -1, 0);
	}
	} else {
	if (r.height() > 2) {
	r.adjust(0, 0, 0, -1);
	}
	}
	int x = r.x();
	int y = r.y();
	int w = r.width();
	int h = r.height();
	QColor color_topleft = o->palette.color(QPalette::Dark);
	QColor color_bottomright = o->palette.color(QPalette::Light);
	if (o->state & State_Raised) {
	std::swap(color_topleft, color_bottomright);
	}
	int t = lw;
	if (o->frameShape == QFrame::HLine) {
	y = h / 2 - t;
	h = t * 2;
	} else if (o->frameShape == QFrame::VLine) {
	x = w / 2 - t;
	w = t * 2;
	}
	p->fillRect(x, y, w - t, t, color_topleft);
	p->fillRect(x, y + t, t, h - t, color_topleft);
	p->fillRect(x + w - t, y, t, h - t, color_bottomright);
	p->fillRect(x + t, y + h - t, w - t, t, color_bottomright);
	} else {
	if (r.width() < r.height()) {
	if (lw < r.width()) {
	r = QRect(r.x() + (r.width() - lw) / 2, r.y(), lw, r.height());
	}
	} else {
	if (lw < r.height()) {
	r = QRect(r.x(), r.y() + (r.height() - lw) / 2, r.width(), lw);
	}
	}
	int x = r.x();
	int y = r.y();
	int w = r.width();
	int h = r.height();
	QColor color = o->palette.color(QPalette::Shadow);
	p->fillRect(x, y, w, h, color);
	}
	} else if (o->frameShape == QFrame::Box) {
	int x = r.x();
	int y = r.y();
	int w = r.width();
	int h = r.height();
	if (w > 1) w--;
	if (h > 1) h--;
	QColor color_topleft = o->palette.color(QPalette::Dark);
	QColor color_bottomright = o->palette.color(QPalette::Light);
	if (o->state & State_Raised) {
	std::swap(color_topleft, color_bottomright);
	}
	drawFrame(p, x + 1, y + 1, w, h, color_bottomright, color_bottomright);
	drawFrame(p, x, y, w, h, color_topleft, color_topleft);
	} else if (o->frameShape == QFrame::StyledPanel) {
	QColor color = o->palette.color(QPalette::Midlight);
	int x = r.x();
	int y = r.y();
	int w = r.width();
	int h = r.height();
	drawFrame(p, x, y, w, h, color, color);
	}
	}
	}
	return;
	}
	if (ce == CE_PushButtonBevel) {
	if (const auto btn = qstyleoption_cast<const QStyleOptionButton >(option)) {
	if (btn->features & QStyleOptionButton::Flat) {
	// nop
	} else {
	drawButton(p, option);
	}

	if (btn->features & QStyleOptionButton::HasMenu) {
	int mbiw = 0, mbih = 0;
	QRect r = subElementRect(SE_PushButtonContents, option, nullptr);
	QStyleOptionButton newBtn = *btn;
	r = QRect(r.right() - mbiw - 2, option->rect.top() + (option->rect.height()/2) - (mbih/2), mbiw + 1, mbih + 1);
	newBtn.rect = QStyle::visualRect(option->direction, option->rect, r);
	drawPrimitive(PE_IndicatorArrowDown, &newBtn, p, widget);
	}
	}
	return;
	}
	if (ce == CE_MenuBarEmptyArea) {
	drawMenuBarBG(p, option, widget);
	return;
	}
	if (ce == CE_MenuBarItem) {
	drawMenuBarBG(p, option, widget);
	if (option->state & State_Selected) {
	drawSelectedMenuFrame(option, p, option->rect, widget);
	}
	if (const auto mbi = qstyleoption_cast<const QStyleOptionMenuItem >(option)) {
	QPalette::ColorRole textRole = disabled ? QPalette::Text : QPalette::ButtonText;
	QPixmap pix = mbi->icon.pixmap(pixelMetric(PM_SmallIconSize, option, widget), QIcon::Normal);
	uint alignment = Qt::AlignCenter \| Qt::TextShowMnemonic \| Qt::TextDontClip \| Qt::TextSingleLine;
	if (!styleHint(SH_UnderlineShortcut, mbi, widget)) {
	alignment \|= Qt::TextHideMnemonic;
	}
	if (!pix.isNull()) {
	drawItemPixmap(p, mbi->rect, alignment, pix);
	} else {
	drawItemText(p, mbi->rect, alignment, mbi->palette, mbi->state & State_Enabled, mbi->text, textRole);
	}
	}
	return;
	}
	if (ce == CE_MenuEmptyArea) {
	return;
	}
	if (ce == CE_MenuItem) {
	if (const auto opt = qstyleoption_cast<const QStyleOptionMenuItem >(option)) {
	// windows always has a check column, regardless whether we have an icon or not
	int checkcol = 25;// / QWindowsXPStylePrivate::devicePixelRatio(widget);
	const int gutterWidth = 3;// / QWindowsXPStylePrivate::devicePixelRatio(widget);
	QRect rect = option->rect;

	bool ignoreCheckMark = false;
	if (qobject_cast<const QComboBox*>(widget)) {
	{ // bg
	int x = option->rect.x();
	int y = option->rect.y();
	int w = option->rect.width();
	int h = option->rect.height();
	p->fillRect(x, y, w, h, option->palette.color(QPalette::Light));
	}
	ignoreCheckMark = true; //ignore the checkmarks provided by the QComboMenuDelegate
	}

	//draw vertical menu line
	if (option->direction == Qt::LeftToRight) {
	checkcol += rect.x();
	}

	int x, y, w, h;
	opt->rect.getRect(&x, &y, &w, &h);
	int tab = opt->tabWidth;
	bool dis = !(opt->state & State_Enabled);
	bool checked = (opt->checkType != QStyleOptionMenuItem::NotCheckable) && opt->checked;
	bool act = opt->state & State_Selected;

	if (opt->menuItemType == QStyleOptionMenuItem::Separator) {
	QRect r = option->rect.adjusted(2, 0, -2, 0);
	drawGutter(p, r);
	return;
	}

	QRect vCheckRect = visualRect(option->direction, opt->rect, QRect(opt->rect.x(), opt->rect.y(), checkcol - (gutterWidth + opt->rect.x()), opt->rect.height()));

	if (act) {
	drawSelectedMenuFrame(option, p, option->rect, widget);
	}

	if (checked && !ignoreCheckMark) {
	const qreal boxMargin = 3.5;
	const qreal boxWidth = checkcol - 2 * boxMargin;
	const int checkColHOffset = windowsItemHMargin + windowsItemFrame - 1;
	QRectF checkRectF(option->rect.left() + boxMargin + checkColHOffset, option->rect.center().y() - boxWidth/2 + 1, boxWidth, boxWidth);
	QRect checkRect = checkRectF.toRect();
	checkRect.setWidth(checkRect.height()); // avoid .toRect() round error results in non-perfect square
	checkRect = visualRect(opt->direction, opt->rect, checkRect);

	QStyleOptionButton box;
	box.QStyleOption::operator=(*option);
	box.rect = checkRect;
	if (checked) {
	box.state \|= State_On;
	}
	drawPrimitive(PE_IndicatorCheckBox, &box, p, widget);
	}

	if (!ignoreCheckMark) {
	if (!opt->icon.isNull()) {
	QIcon::Mode mode = dis ? QIcon::Disabled : QIcon::Normal;
	if (act && !dis) {
	mode = QIcon::Active;
	}
	QPixmap pixmap;
	if (checked) {
	pixmap = opt->icon.pixmap(pixelMetric(PM_SmallIconSize, option, widget), mode, QIcon::On);
	} else {
	pixmap = opt->icon.pixmap(pixelMetric(PM_SmallIconSize, option, widget), mode);
	}
	double dpr = pixmap.devicePixelRatio();
	if (dpr > 0) {
	const int pixw = int(pixmap.width() / dpr);
	const int pixh = int(pixmap.height() / dpr);
	QRect pmr(0, 0, pixw, pixh);
	pmr.moveCenter(vCheckRect.center());
	p->setPen(opt->palette.text().color());
	p->drawPixmap(pmr.topLeft(), pixmap);
	}
	}
	} else {
	if (opt->icon.isNull()) {
	checkcol = 0;
	} else {
	checkcol = opt->maxIconWidth;
	}
	}

	p->setPen(opt->palette.buttonText().color());

	const QColor textColor = opt->palette.text().color();
	if (dis) {
	p->setPen(textColor);
	}

	int xm = windowsItemFrame + checkcol + windowsItemHMargin + (gutterWidth - opt->rect.x()) - 1;
	int xpos = opt->rect.x() + xm;
	QRect textRect(xpos, y + windowsItemVMargin, w - xm - windowsRightBorder - tab + 1, h - 2 * windowsItemVMargin);
	QRect vTextRect = visualRect(option->direction, opt->rect, textRect);
	QString s = opt->text;
	if (!s.isEmpty()) { // draw text
	p->save();
	int t = s.indexOf(QLatin1Char('\t'));
	int text_flags = Qt::AlignVCenter \| Qt::TextShowMnemonic \| Qt::TextDontClip \| Qt::TextSingleLine;
	if (!styleHint(SH_UnderlineShortcut, opt, widget)) {
	text_flags \|= Qt::TextHideMnemonic;
	}
	text_flags \|= Qt::AlignLeft;
	if (t >= 0) {
	QRect vShortcutRect = visualRect(option->direction, opt->rect, QRect(textRect.topRight(), QPoint(opt->rect.right(), textRect.bottom())));
	p->drawText(vShortcutRect, text_flags, s.mid(t + 1));
	s = s.left(t);
	}
	QFont font = opt->font;
	if (opt->menuItemType == QStyleOptionMenuItem::DefaultItem) {
	font.setBold(true);
	}
	p->setFont(font);
	p->setPen(textColor);
	p->drawText(vTextRect, text_flags, s.left(t));
	p->restore();
	}
	if (opt->menuItemType == QStyleOptionMenuItem::SubMenu) {// draw sub menu arrow
	int dim = (h - 2 * windowsItemFrame) / 2;
	PrimitiveElement arrow;
	arrow = (option->direction == Qt::RightToLeft) ? PE_IndicatorArrowLeft : PE_IndicatorArrowRight;
	xpos = x + w - windowsArrowHMargin - windowsItemFrame - dim;
	QRect vSubMenuRect = visualRect(option->direction, opt->rect, QRect(xpos, y + h / 2 - dim / 2, dim, dim));
	QStyleOptionMenuItem newMI = *opt;
	newMI.rect = vSubMenuRect;
	newMI.state = dis ? State_None : State_Enabled;
	drawPrimitive(arrow, &newMI, p, widget);
	}
	}
	return;
	}
	if (ce == CE_TabBarTabShape) {
	if (const auto tab = qstyleoption_cast<const QStyleOptionTab >(option)) {
	bool rtlHorTabs = (tab->direction == Qt::RightToLeft && (tab->shape == QTabBar::RoundedNorth \|\| tab->shape == QTabBar::RoundedSouth));
	bool selected = tab->state & State_Selected;
	bool lastTab = ((!rtlHorTabs && tab->position == QStyleOptionTab::End) \|\| (rtlHorTabs && tab->position == QStyleOptionTab::Beginning));
	bool firstTab = ((!rtlHorTabs && tab->position == QStyleOptionTab::Beginning) \|\| (rtlHorTabs && tab->position == QStyleOptionTab::End));
	bool onlyOne = tab->position == QStyleOptionTab::OnlyOneTab;
	bool previousSelected = ((!rtlHorTabs && tab->selectedPosition == QStyleOptionTab::PreviousIsSelected) \|\| (rtlHorTabs && tab->selectedPosition == QStyleOptionTab::NextIsSelected));
	bool nextSelected = ((!rtlHorTabs && tab->selectedPosition == QStyleOptionTab::NextIsSelected) \|\| (rtlHorTabs && tab->selectedPosition == QStyleOptionTab::PreviousIsSelected));
	int tabBarAlignment = styleHint(SH_TabBar_Alignment, tab, widget);
	bool leftAligned = (!rtlHorTabs && tabBarAlignment == Qt::AlignLeft) \|\| (rtlHorTabs && tabBarAlignment == Qt::AlignRight);
	bool rightAligned = (!rtlHorTabs && tabBarAlignment == Qt::AlignRight) \|\| (rtlHorTabs && tabBarAlignment == Qt::AlignLeft);

	QColor light = tab->palette.light().color();
	QColor dark = tab->palette.dark().color();
	QColor shadow = tab->palette.shadow().color();
	int borderThinkness = pixelMetric(PM_TabBarBaseOverlap, tab, widget);
	if (selected) {
	borderThinkness /= 2;
	}
	QRect r2(option->rect);
	int x1 = r2.left();
	int x2 = r2.right();
	int y1 = r2.top();
	int y2 = r2.bottom();
	switch (tab->shape) {
	default:
	{
	p->save();

	QRect rect(tab->rect);
	int tabOverlap = onlyOne ? 0 : pixelMetric(PM_TabBarTabOverlap, option, widget);

	if (!selected) {
	switch (tab->shape) {
	case QTabBar::TriangularNorth:
	rect.adjust(0, 0, 0, -tabOverlap);
	if(!selected) rect.adjust(1, 1, -1, 0);
	break;
	case QTabBar::TriangularSouth:
	rect.adjust(0, tabOverlap, 0, 0);
	if(!selected) rect.adjust(1, 0, -1, -1);
	break;
	case QTabBar::TriangularEast:
	rect.adjust(tabOverlap, 0, 0, 0);
	if(!selected) rect.adjust(0, 1, -1, -1);
	break;
	case QTabBar::TriangularWest:
	rect.adjust(0, 0, -tabOverlap, 0);
	if(!selected) rect.adjust(1, 1, 0, -1);
	break;
	default:
	break;
	}
	}

	p->setPen(QPen(tab->palette.foreground(), 0));
	if (selected) {
	p->setBrush(tab->palette.background());
	} else {
	if (widget && widget->parentWidget()) {
	p->setBrush(widget->parentWidget()->palette().shadow());
	} else {
	p->setBrush(tab->palette.shadow());
	}
	}

	int y;
	int x;
	QPolygon a(10);
	switch (tab->shape) {
	case QTabBar::TriangularNorth:
	case QTabBar::TriangularSouth:
	{
	a.setPoint(0, 0, -1);
	a.setPoint(1, 0, 0);
	y = rect.height() - 2;
	x = y / 3;
	a.setPoint(2, x++, y - 1);
	++x;
	a.setPoint(3, x++, y++);
	a.setPoint(4, x, y);

	int i;
	int right = rect.width() - 1;
	for (i = 0; i < 5; ++i) {
	a.setPoint(9 - i, right - a.point(i).x(), a.point(i).y());
	}
	if (tab->shape == QTabBar::TriangularNorth) {
	for (i = 0; i < 10; ++i) {
	a.setPoint(i, a.point(i).x(), rect.height() - 1 - a.point(i).y());
	}
	}

	a.translate(rect.left(), rect.top());
	p->setRenderHint(QPainter::Antialiasing);
	p->translate(0, 0.5);

	QPainterPath path;
	path.addPolygon(a);
	p->drawPath(path);
	break;
	}
	case QTabBar::TriangularEast:
	case QTabBar::TriangularWest:
	{
	a.setPoint(0, -1, 0);
	a.setPoint(1, 0, 0);
	x = rect.width() - 2;
	y = x / 3;
	a.setPoint(2, x - 1, y++);
	++y;
	a.setPoint(3, x++, y++);
	a.setPoint(4, x, y);
	int i;
	int bottom = rect.height() - 1;
	for (i = 0; i < 5; ++i) {
	a.setPoint(9 - i, a.point(i).x(), bottom - a.point(i).y());
	}
	if (tab->shape == QTabBar::TriangularWest) {
	for (i = 0; i < 10; ++i) {
	a.setPoint(i, rect.width() - 1 - a.point(i).x(), a.point(i).y());
	}
	}
	a.translate(rect.left(), rect.top());
	p->setRenderHint(QPainter::Antialiasing);
	p->translate(0.5, 0);
	QPainterPath path;
	path.addPolygon(a);
	p->drawPath(path);
	break;
	}
	default:
	break;
	}
	p->restore();
	}
	break;
	case QTabBar::RoundedNorth:
	{
	if (!selected) {
	y1 += 2;
	x1 += onlyOne \|\| firstTab ? borderThinkness : 0;
	x2 -= onlyOne \|\| lastTab ? borderThinkness : 0;
	}

	p->fillRect(QRect(x1 + 1, y1 + 1, (x2 - x1) - 1, (y2 - y1) - 2), tab->palette.background());

	// Delete border
	if (selected) {
	p->fillRect(QRect(x1,y2-1,x2-x1,1), tab->palette.background());
	p->fillRect(QRect(x1,y2,x2-x1,1), tab->palette.background());
	}
	// Left
	if (firstTab \|\| selected \|\| onlyOne \|\| !previousSelected) {
	p->setPen(light);
	p->drawLine(x1, y1 + 2, x1, y2 - ((onlyOne \|\| firstTab) && selected && leftAligned ? 0 : borderThinkness));
	p->drawPoint(x1 + 1, y1 + 1);
	}
	// Top
	{
	int beg = x1 + (previousSelected ? 0 : 2);
	int end = x2 - (nextSelected ? 0 : 2);
	p->setPen(light);
	p->drawLine(beg, y1, end, y1);
	}
	// Right
	if (lastTab \|\| selected \|\| onlyOne \|\| !nextSelected) {
	p->setPen(shadow);
	p->drawLine(x2, y1 + 2, x2, y2 - ((onlyOne \|\| lastTab) && selected && rightAligned ? 0 : borderThinkness));
	p->drawPoint(x2 - 1, y1 + 1);
	p->setPen(dark);
	p->drawLine(x2 - 1, y1 + 2, x2 - 1, y2 - ((onlyOne \|\| lastTab) && selected && rightAligned ? 0 : borderThinkness));
	}
	break;
	}
	case QTabBar::RoundedSouth:
	{
	if (!selected) {
	y2 -= 2;
	x1 += firstTab ? borderThinkness : 0;
	x2 -= lastTab ? borderThinkness : 0;
	}

	p->fillRect(QRect(x1 + 1, y1 + 2, (x2 - x1) - 1, (y2 - y1) - 1), tab->palette.background());

	// Delete border
	if (selected) {
	p->fillRect(QRect(x1, y1 + 1, (x2 - 1)-x1, 1), tab->palette.background());
	p->fillRect(QRect(x1, y1, (x2 - 1)-x1, 1), tab->palette.background());
	}
	// Left
	if (firstTab \|\| selected \|\| onlyOne \|\| !previousSelected) {
	p->setPen(light);
	p->drawLine(x1, y2 - 2, x1, y1 + ((onlyOne \|\| firstTab) && selected && leftAligned ? 0 : borderThinkness));
	p->drawPoint(x1 + 1, y2 - 1);
	}
	// Bottom
	{
	int beg = x1 + (previousSelected ? 0 : 2);
	int end = x2 - (nextSelected ? 0 : 2);
	p->setPen(shadow);
	p->drawLine(beg, y2, end, y2);
	p->setPen(dark);
	p->drawLine(beg, y2 - 1, end, y2 - 1);
	}
	// Right
	if (lastTab \|\| selected \|\| onlyOne \|\| !nextSelected) {
	p->setPen(shadow);
	p->drawLine(x2, y2 - 2, x2, y1 + ((onlyOne \|\| lastTab) && selected && rightAligned ? 0 : borderThinkness));
	p->drawPoint(x2 - 1, y2 - 1);
	p->setPen(dark);
	p->drawLine(x2 - 1, y2 - 2, x2 - 1, y1 + ((onlyOne \|\| lastTab) && selected && rightAligned ? 0 : borderThinkness));
	}
	break;
	}
	case QTabBar::RoundedWest:
	{
	if (!selected) {
	x1 += 2;
	y1 += firstTab ? borderThinkness : 0;
	y2 -= lastTab ? borderThinkness : 0;
	}

	p->fillRect(QRect(x1 + 1, y1 + 1, (x2 - x1) - 2, (y2 - y1) - 1), tab->palette.background());

	// Delete border
	if (selected) {
	p->fillRect(QRect(x2 - 1, y1, 1, y2-y1), tab->palette.background());
	p->fillRect(QRect(x2, y1, 1, y2-y1), tab->palette.background());
	}
	// Top
	if (firstTab \|\| selected \|\| onlyOne \|\| !previousSelected) {
	p->setPen(light);
	p->drawLine(x1 + 2, y1, x2 - ((onlyOne \|\| firstTab) && selected && leftAligned ? 0 : borderThinkness), y1);
	p->drawPoint(x1 + 1, y1 + 1);
	}
	// Left
	{
	int beg = y1 + (previousSelected ? 0 : 2);
	int end = y2 - (nextSelected ? 0 : 2);
	p->setPen(light);
	p->drawLine(x1, beg, x1, end);
	}
	// Bottom
	if (lastTab \|\| selected \|\| onlyOne \|\| !nextSelected) {
	p->setPen(shadow);
	p->drawLine(x1 + 3, y2, x2 - ((onlyOne \|\| lastTab) && selected && rightAligned ? 0 : borderThinkness), y2);
	p->drawPoint(x1 + 2, y2 - 1);
	p->setPen(dark);
	p->drawLine(x1 + 3, y2 - 1, x2 - ((onlyOne \|\| lastTab) && selected && rightAligned ? 0 : borderThinkness), y2 - 1);
	p->drawPoint(x1 + 1, y2 - 1);
	p->drawPoint(x1 + 2, y2);
	}
	break;
	}
	case QTabBar::RoundedEast:
	{
	if (!selected) {
	x2 -= 2;
	y1 += firstTab ? borderThinkness : 0;
	y2 -= lastTab ? borderThinkness : 0;
	}

	p->fillRect(QRect(x1 + 2, y1 + 1, (x2 - x1) - 1, (y2 - y1) - 1), tab->palette.background());

	// Delete border
	if (selected) {
	p->fillRect(QRect(x1 + 1, y1, 1, (y2 - 1)-y1),tab->palette.background());
	p->fillRect(QRect(x1, y1, 1, (y2-1)-y1), tab->palette.background());
	}
	// Top
	if (firstTab \|\| selected \|\| onlyOne \|\| !previousSelected) {
	p->setPen(light);
	p->drawLine(x2 - 2, y1, x1 + ((onlyOne \|\| firstTab) && selected && leftAligned ? 0 : borderThinkness), y1);
	p->drawPoint(x2 - 1, y1 + 1);
	}
	// Right
	{
	int beg = y1 + (previousSelected ? 0 : 2);
	int end = y2 - (nextSelected ? 0 : 2);
	p->setPen(shadow);
	p->drawLine(x2, beg, x2, end);
	p->setPen(dark);
	p->drawLine(x2 - 1, beg, x2 - 1, end);
	}
	// Bottom
	if (lastTab \|\| selected \|\| onlyOne \|\| !nextSelected) {
	p->setPen(shadow);
	p->drawLine(x2 - 2, y2, x1 + ((onlyOne \|\| lastTab) && selected && rightAligned ? 0 : borderThinkness), y2);
	p->drawPoint(x2 - 1, y2 - 1);
	p->setPen(dark);
	p->drawLine(x2 - 2, y2 - 1, x1 + ((onlyOne \|\| lastTab) && selected && rightAligned ? 0 : borderThinkness), y2 - 1);
	}
	break;
	}
	}
	}
	return;
	}
	if (ce == CE_ProgressBarGroove \|\| ce == CE_ProgressBarContents) {
	if (const auto bar = qstyleoption_cast<const QStyleOptionProgressBar >(option)) {

	QColor color(0, 128, 255);

	bool horz = (bar->orientation == Qt::Horizontal);

	QString key;
	QImage const *image;

	if (horz) {
	key = "horz";
	image = &m->progress_horz;
	} else {
	key = "vert";
	image = &m->progress_vert;
	}

	p->save();

	int x = option->rect.x();
	int y = option->rect.y();
	int w = option->rect.width();
	int h = option->rect.height();
	if (ce == CE_ProgressBarContents) {
	int len = bar->progress - bar->minimum;
	int div = bar->maximum - bar->minimum;
	bool inv = bar->invertedAppearance;
	if (horz) {
	int v = div > 0 ? (w * len / div) : 0;
	if (inv) {
	x = x + w - v;
	}
	w = v;
	} else {
	int v = div > 0 ? (h * len / div) : 0;
	if (!inv) {
	y = y + h - v;
	}
	h = v;
	}
	QRect r(x, y, w, h);
	p->setClipRect(r);
	p->fillRect(option->rect, color);
	}
	QPixmap pm;
	QSize size(w, h);
	key = pixmapkey("progress_bar", key, size, m->base_color);
	if (!QPixmapCache::find(key, &pm)) {
	QImage im = image->scaled(size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
	pm = QPixmap::fromImage(im);
	QPixmapCache::insert(key, pm);
	}
	p->setOpacity(0.5);
	p->drawPixmap(option->rect, pm, pm.rect());

	p->restore();
	}
	return;
	}
	if (ce == CE_HeaderSection \|\| ce == CE_HeaderEmptyArea) {
	int x = option->rect.x();
	int y = option->rect.y();
	int w = option->rect.width();
	int h = option->rect.height();
	QLinearGradient gradient;
	gradient.setStart(x, y);
	gradient.setFinalStop(x, y + h / 4.0);
	gradient.setColorAt(0, option->palette.color(QPalette::Light));
	gradient.setColorAt(1, option->palette.color(QPalette::Window));
	p->fillRect(x, y, w, h, gradient);
	p->fillRect(x, y + h - 1, w, 1, option->palette.color(QPalette::Dark));
	if (ce == CE_HeaderSection) {
	if (option->state & QStyle::State_MouseOver) {
	p->save();
	p->fillRect(x, y, w, h, QColor(255, 255, 255, 32));
	p->restore();
	}
	}
	return;
	}
	#ifdef Q_OS_MAC
	if (ce == CE_DockWidgetTitle) {
	if (const auto dwOpt = qstyleoption_cast<const QStyleOptionDockWidget >(option)) {
	const auto dockWidget = qobject_cast<const QDockWidget >(widget);
	QRect rect = option->rect;
	if (dockWidget && dockWidget->isFloating()) {
	QProxyStyle::drawControl(ce, option, p, widget);
	return;
	}

	const auto v2 = qstyleoption_cast<const QStyleOptionDockWidgetV2>(dwOpt);
	bool verticalTitleBar = v2 && v2->verticalTitleBar;

	if (verticalTitleBar) {
	rect.setSize(rect.size().transposed());

	p->translate(rect.left() - 1, rect.top() + rect.width());
	p->rotate(-90);
	p->translate(-rect.left() + 1, -rect.top());
	}

	p->setBrush(option->palette.background().color().darker(110));
	p->setPen(option->palette.background().color().darker(130));
	p->drawRect(rect.adjusted(0, 1, -1, -3));

	int buttonMargin = 4;
	int mw = proxy()->pixelMetric(QStyle::PM_DockWidgetTitleMargin, dwOpt, widget);
	int fw = proxy()->pixelMetric(PM_DockWidgetFrameWidth, dwOpt, widget);
	const auto dw = qobject_cast<const QDockWidget >(widget);
	bool isFloating = dw && dw->isFloating();

	QRect r = option->rect.adjusted(0, 2, -1, -3);
	QRect titleRect = r;

	if (dwOpt->closable) {
	QSize sz = proxy()->standardIcon(QStyle::SP_TitleBarCloseButton, dwOpt, widget).actualSize(QSize(10, 10));
	titleRect.adjust(0, 0, -sz.width() - mw - buttonMargin, 0);
	}

	if (dwOpt->floatable) {
	QSize sz = proxy()->standardIcon(QStyle::SP_TitleBarMaxButton, dwOpt, widget).actualSize(QSize(10, 10));
	titleRect.adjust(0, 0, -sz.width() - mw - buttonMargin, 0);
	}

	if (isFloating) {
	titleRect.adjust(0, -fw, 0, 0);
	if (widget && widget->windowIcon().cacheKey() != QApplication::windowIcon().cacheKey()) {
	titleRect.adjust(titleRect.height() + mw, 0, 0, 0);
	}
	} else {
	titleRect.adjust(mw, 0, 0, 0);
	if (!dwOpt->floatable && !dwOpt->closable) {
	titleRect.adjust(0, 0, -mw, 0);
	}
	}
	if (!verticalTitleBar) {
	titleRect = visualRect(dwOpt->direction, r, titleRect);
	}

	if (!dwOpt->title.isEmpty()) {
	QString titleText = p->fontMetrics().elidedText(dwOpt->title, Qt::ElideRight, verticalTitleBar ? titleRect.height() : titleRect.width());
	const int indent = 4;
	int align = Qt::AlignRight \| Qt::AlignVCenter;
	drawItemText(p, rect.adjusted(indent + 1, 1, -indent - 1, -1), align, dwOpt->palette, dwOpt->state & State_Enabled, titleText, QPalette::WindowText);
	}
	}
	return;
	}
	#endif // Q_OS_MAC
	#ifdef Q_OS_LINUX
	if (ce == CE_Splitter) {
	p->fillRect(option->rect, option->palette.color(QPalette::Window));
	return;
	}
	#endif
	// qDebug() << ce;
	QProxyStyle::drawControl(ce, option, p, widget);
	}

	void DarkStyle::drawComplexControl(ComplexControl cc, const QStyleOptionComplex option, QPainter p, const QWidget *widget) const
	{
	// qDebug() << cc;
	if (cc == QStyle::CC_ComboBox) {
	if (const auto cmb = qstyleoption_cast<const QStyleOptionComboBox >(option)) {
	SubControls sub = option->subControls;
	if (cmb->editable) {
	#define EP_EDITBORDER_NOSCROLL 6
	#define EP_EDITBORDER_HVSCROLL 9
	if (sub & SC_ComboBoxEditField) {
	p->fillRect(option->rect, option->palette.color(QPalette::Dark));
	drawFrame(p, option->rect, option->palette.color(QPalette::Shadow), option->palette.color(QPalette::Light));
	}
	if (sub & SC_ComboBoxArrow) {
	QRect subRect = subControlRect(CC_ComboBox, option, SC_ComboBoxArrow, widget);
	QStyleOptionComplex opt = *option;
	opt.rect = subRect;
	drawToolButton(p, &opt);
	opt.rect = QRect(subRect.right() - 4, subRect.y() + subRect.height() / 2 - 1, 2, 2);
	drawPrimitive(PE_IndicatorArrowDown, &opt, p, widget);
	}

	} else {
	if (sub & SC_ComboBoxFrame) {
	QStyleOptionButton btn;
	btn.QStyleOption::operator=(*option);
	btn.rect = option->rect.adjusted(-1, -1, 1, 1);
	if (sub & SC_ComboBoxArrow) {
	btn.features = QStyleOptionButton::HasMenu;
	}
	drawControl(QStyle::CE_PushButton, &btn, p, widget);
	}
	}
	}
	return;
	}
	if (cc == QStyle::CC_ToolButton) {
	QStyle::State flags = option->state;
	if (const auto toolbutton = qstyleoption_cast<const QStyleOptionToolButton >(option)) {
	QRect button, menuarea;
	button = subControlRect(cc, toolbutton, SC_ToolButton, widget);
	menuarea = subControlRect(cc, toolbutton, SC_ToolButtonMenu, widget);

	State bflags = toolbutton->state & ~State_Sunken;
	State mflags = bflags;
	bool autoRaise = flags & State_AutoRaise;
	if (autoRaise) {
	if (!(bflags & State_MouseOver) \|\| !(bflags & State_Enabled)) {
	bflags &= ~State_Raised;
	}
	}

	if (toolbutton->state & State_Sunken) {
	if (toolbutton->activeSubControls & SC_ToolButton) {
	bflags \|= State_Sunken;
	mflags \|= State_MouseOver \| State_Sunken;
	} else if (toolbutton->activeSubControls & SC_ToolButtonMenu) {
	mflags \|= State_Sunken;
	bflags \|= State_MouseOver;
	}
	}

	QStyleOption tool(0);
	tool.palette = toolbutton->palette;
	if (toolbutton->subControls & SC_ToolButton) {
	if (flags & (State_Sunken \| State_On \| State_Raised) \|\| !autoRaise) {
	tool.rect = option->rect;
	tool.state = bflags;
	drawToolButton(p, &tool);
	}
	}

	if (toolbutton->state & State_HasFocus) {
	QStyleOptionFocusRect fr;
	fr.QStyleOption::operator=(*toolbutton);
	fr.rect.adjust(3, 3, -3, -3);
	if (toolbutton->features & QStyleOptionToolButton::MenuButtonPopup) {
	fr.rect.adjust(0, 0, -pixelMetric(QStyle::PM_MenuButtonIndicator, toolbutton, widget), 0);
	}
	drawPrimitive(PE_FrameFocusRect, &fr, p, widget);
	}
	QStyleOptionToolButton label = *toolbutton;
	label.state = bflags;
	int fw = 2;
	if (!autoRaise)
	label.state &= ~State_Sunken;
	label.rect = button.adjusted(fw, fw, -fw, -fw);
	drawControl(CE_ToolButtonLabel, &label, p, widget);

	if (toolbutton->subControls & SC_ToolButtonMenu) {
	tool.rect = menuarea;
	tool.state = mflags;
	if (autoRaise) {
	drawPrimitive(PE_IndicatorButtonDropDown, &tool, p, widget);
	} else {
	tool.state = mflags;
	menuarea.adjust(-2, 0, 0, 0);
	// Draw menu button
	if ((bflags & State_Sunken) != (mflags & State_Sunken)){
	p->save();
	p->setClipRect(menuarea);
	tool.rect = option->rect;
	drawToolButton(p, &tool);
	p->restore();
	}
	// Draw arrow
	p->save();
	p->setPen(option->palette.dark().color());
	p->drawLine(menuarea.left(), menuarea.top() + 3, menuarea.left(), menuarea.bottom() - 3);
	p->setPen(option->palette.light().color());
	p->drawLine(menuarea.left() - 1, menuarea.top() + 3, menuarea.left() - 1, menuarea.bottom() - 3);

	tool.rect = menuarea.adjusted(2, 3, -2, -1);
	drawPrimitive(PE_IndicatorArrowDown, &tool, p, widget);
	p->restore();
	}
	} else if (toolbutton->features & QStyleOptionToolButton::HasMenu) {
	int mbi = pixelMetric(PM_MenuButtonIndicator, toolbutton, widget);
	QRect ir = toolbutton->rect;
	QStyleOptionToolButton newBtn = *toolbutton;
	newBtn.rect = QRect(ir.right() + 4 - mbi, ir.height() - mbi + 4, mbi - 5, mbi - 5);
	drawPrimitive(PE_IndicatorArrowDown, &newBtn, p, widget);
	}
	}
	return;
	}
	if (cc == QStyle::CC_ScrollBar) {
	bool ishorz = (option->state & State_Horizontal);
	auto tx = const_cast<ScrollBarTextures >(ishorz ? &m->hsb : &m->vsb);

	int extent = (ishorz ? tx->slider.im_normal.height() : tx->slider.im_normal.width()) - 2;

	auto DrawNinePatchImage2 = [&](QImage const &image, QRect const &r){
	int w, h;
	if (ishorz) {
	h = extent;
	int d = r.height();
	w = (d == 0) ? 0 : (h * r.width() / d);
	} else {
	w = extent;
	int d = r.width();
	h = (d == 0) ? 0 : (w * r.height() / d);
	}
	drawNinePatchImage(p, image, r, w, h);
	};

	p->fillRect(option->rect, color(64));
	p->setRenderHint(QPainter::Antialiasing);

	{
	#ifdef Q_OS_MAC
	QRect r = option->rect;
	#else
	QRect r1 = subControlRect(CC_ScrollBar, option, SC_ScrollBarAddPage, widget);
	QRect r2 = subControlRect(CC_ScrollBar, option, SC_ScrollBarSubPage, widget);
	QRect r = r1.united(r2);
	#endif
	DrawNinePatchImage2(tx->page_bg, r);
	}

	#ifndef Q_OS_MAC // macOSのスクロールバーには、ラインステップボタンが無い
	{
	QRect r = subControlRect(CC_ScrollBar, option, SC_ScrollBarSubLine, widget);
	DrawNinePatchImage2(tx->page_bg, r);
	}
	{
	QRect r = subControlRect(CC_ScrollBar, option, SC_ScrollBarAddLine, widget);
	DrawNinePatchImage2(tx->page_bg, r);
	}

	auto DrawAddSubButton = [&](ButtonImages const &ims, SubControl subctl){
	QRect r = subControlRect(CC_ScrollBar, option, subctl, widget);
	QPixmap pm;;
	if (!(option->activeSubControls & subctl)) {
	pm = pixmapFromImage(ims.im_normal, r.size());
	p->drawPixmap(r.topLeft(), pm);
	} else {
	pm = pixmapFromImage(ims.im_hover, r.size());
	p->drawPixmap(r.topLeft(), pm);
	}
	};
	DrawAddSubButton(tx->sub_line, SC_ScrollBarSubLine);
	DrawAddSubButton(tx->add_line, SC_ScrollBarAddLine);
	#endif

	{
	QRect r = subControlRect(CC_ScrollBar, option, SC_ScrollBarSlider, widget);
	int w, h;
	if (ishorz) {
	h = extent;
	int d = r.height();
	w = (d == 0) ? 0 : (h * r.width() / d);
	} else {
	w = extent;
	int d = r.width();
	h = (d == 0) ? 0 : (w * r.height() / d);
	}
	#ifdef Q_OS_MAC // macだとズレて見えるので調整する
	if (ishorz) {
	r = r.translated(1, 0);
	} else {
	r = r.translated(0, 1);
	}
	#endif
	if (!(option->activeSubControls & SC_ScrollBarSlider)) {
	DrawNinePatchImage2(tx->slider.im_normal, r);
	} else {
	DrawNinePatchImage2(tx->slider.im_hover, r);
	}
	}

	return;
	}
	if (cc == CC_GroupBox) {
	if (const auto groupBox = qstyleoption_cast<const QStyleOptionGroupBox >(option)) {
	QRect textRect = subControlRect(CC_GroupBox, option, SC_GroupBoxLabel, widget);
	QRect checkBoxRect = subControlRect(CC_GroupBox, option, SC_GroupBoxCheckBox, widget);
	if (groupBox->subControls & QStyle::SC_GroupBoxFrame) {
	QStyleOptionFrame frame;
	frame.QStyleOption::operator=(*groupBox);
	frame.features = groupBox->features;
	frame.lineWidth = groupBox->lineWidth;
	frame.midLineWidth = groupBox->midLineWidth;
	frame.rect = subControlRect(CC_GroupBox, option, SC_GroupBoxFrame, widget);
	p->save();
	QRegion region(groupBox->rect);
	if (!groupBox->text.isEmpty()) {
	bool ltr = groupBox->direction == Qt::LeftToRight;
	QRect finalRect;
	if (groupBox->subControls & QStyle::SC_GroupBoxCheckBox) {
	finalRect = checkBoxRect.united(textRect);
	finalRect.adjust(ltr ? -4 : 0, 0, ltr ? 0 : 4, 0);
	} else {
	finalRect = textRect;
	}
	region -= finalRect;
	}
	p->setClipRegion(region);
	drawPrimitive(PE_FrameGroupBox, &frame, p, widget);
	p->restore();
	}
	// Draw title
	if ((groupBox->subControls & QStyle::SC_GroupBoxLabel) && !groupBox->text.isEmpty()) {
	QColor textColor = groupBox->textColor;
	if (textColor.isValid()) {
	p->setPen(textColor);
	}
	int alignment = int(groupBox->textAlignment);
	if (!styleHint(QStyle::SH_UnderlineShortcut, option, widget)) {
	alignment \|= Qt::TextHideMnemonic;
	}

	drawItemText(p, textRect, Qt::TextShowMnemonic \| Qt::AlignHCenter \| alignment, groupBox->palette, groupBox->state & State_Enabled, groupBox->text, QPalette::WindowText);

	if (groupBox->state & State_HasFocus) {
	QStyleOptionFocusRect fropt;
	fropt.QStyleOption::operator=(*groupBox);
	fropt.rect = textRect;
	drawPrimitive(PE_FrameFocusRect, &fropt, p, widget);
	}
	}

	// Draw checkbox
	if (groupBox->subControls & SC_GroupBoxCheckBox) {
	QStyleOptionButton box;
	box.QStyleOption::operator=(*groupBox);
	box.rect = checkBoxRect;
	drawPrimitive(PE_IndicatorCheckBox, &box, p, widget);
	}
	}
	return;
	}
	if (cc == CC_Slider) {
	if (const auto slider = qstyleoption_cast<const QStyleOptionSlider >(option)) {
	QRect groove = subControlRect(CC_Slider, option, SC_SliderGroove, widget);
	QRect handle = subControlRect(CC_Slider, option, SC_SliderHandle, widget);

	bool horizontal = slider->orientation == Qt::Horizontal;
	bool ticksAbove = slider->tickPosition & QSlider::TicksAbove;
	bool ticksBelow = slider->tickPosition & QSlider::TicksBelow;
	QPixmap cache;
	QBrush oldBrush = p->brush();
	QPen oldPen = p->pen();
	QColor shadowAlpha(Qt::black);
	shadowAlpha.setAlpha(10);

	if ((option->subControls & SC_SliderGroove) && groove.isValid()) {
	QRect rect(0, 0, groove.width(), groove.height());
	QString key = pixmapkey("slider_groove", horizontal ? "horz" : "vert", rect.size(), m->base_color);

	QRectF grooveRect;
	double r = std::min(groove.width(), groove.height()) / 2.0;
	{
	double n = r * 3 / 4;
	grooveRect = QRectF(rect).adjusted(n, n, -n, -n);
	r -= n;
	}

	// draw background groove
	QPixmap cache;
	if (!QPixmapCache::find(key, cache)) {
	cache = QPixmap(rect.size());
	cache.fill(Qt::transparent);
	QPainter groovePainter(&cache);
	groovePainter.setRenderHint(QPainter::Antialiasing, true);
	groovePainter.translate(0.5, 0.5);
	QLinearGradient gradient;
	if (horizontal) {
	gradient.setStart(grooveRect.center().x(), grooveRect.top());
	gradient.setFinalStop(grooveRect.center().x(), grooveRect.bottom());
	} else {
	gradient.setStart(grooveRect.left(), grooveRect.center().y());
	gradient.setFinalStop(grooveRect.right(), grooveRect.center().y());
	}
	groovePainter.setPen(Qt::NoPen);
	gradient.setColorAt(0, color(32));
	gradient.setColorAt(1, color(128));
	groovePainter.setBrush(gradient);
	groovePainter.drawRoundedRect(grooveRect, r, r);
	groovePainter.end();
	QPixmapCache::insert(key, cache);
	}
	p->drawPixmap(groove.topLeft(), cache);
	}

	if (option->subControls & SC_SliderTickmarks) {
	int tickSize = pixelMetric(PM_SliderTickmarkOffset, option, widget);
	int available = pixelMetric(PM_SliderSpaceAvailable, slider, widget);
	int interval = slider->tickInterval;
	if (interval <= 0) {
	interval = slider->singleStep;
	if (QStyle::sliderPositionFromValue(slider->minimum, slider->maximum, interval, available) - QStyle::sliderPositionFromValue(slider->minimum, slider->maximum, 0, available) < 3) {
	interval = slider->pageStep;
	}
	}
	if (interval <= 0) {
	interval = 1;
	}

	int v = slider->minimum;
	int len = pixelMetric(PM_SliderLength, slider, widget);
	while (v <= slider->maximum + 1) {
	if (v == slider->maximum + 1 && interval == 1) break;
	const int v2 = qMin(v, slider->maximum);
	int pos = sliderPositionFromValue(slider->minimum, slider->maximum,
	v2, (horizontal
	? slider->rect.width()
	: slider->rect.height()) - len,
	slider->upsideDown) + len / 2;
	int extra = 2 - ((v2 == slider->minimum \|\| v2 == slider->maximum) ? 1 : 0);

	if (horizontal) {
	if (ticksAbove) {
	p->setPen(color(128));
	p->drawLine(pos, slider->rect.top() + extra, pos, slider->rect.top() + tickSize);
	}
	if (ticksBelow) {
	p->setPen(color(0));
	p->drawLine(pos, slider->rect.bottom() - extra, pos, slider->rect.bottom() - tickSize);
	}
	} else {
	if (ticksAbove) {
	p->setPen(color(128));
	p->drawLine(slider->rect.left() + extra, pos, slider->rect.left() + tickSize, pos);
	}
	if (ticksBelow) {
	p->setPen(color(0));
	p->drawLine(slider->rect.right() - extra, pos, slider->rect.right() - tickSize, pos);
	}
	}
	// in the case where maximum is max int
	int nextInterval = v + interval;
	if (nextInterval < v) break;
	v = nextInterval;
	}
	}
	// draw handle
	if ((option->subControls & SC_SliderHandle) ) {
	QRect pixmapRect(0, 0, handle.width(), handle.height());
	QRect r = pixmapRect.adjusted(0, 0, -1, -1);
	QPainterPath path;
	path.addEllipse(r);
	QString handlePixmapName = pixmapkey(QLatin1String("slider_handle"), "", handle.size(), m->base_color);
	if (!QPixmapCache::find(handlePixmapName, cache)) {
	cache = QPixmap(handle.size());
	cache.fill(Qt::transparent);
	QPainter handlePainter(&cache);

	handlePainter.setRenderHint(QPainter::Antialiasing, true);
	handlePainter.translate(0.5, 0.5);

	QLinearGradient gradient;
	gradient.setStart(pixmapRect.topLeft());
	gradient.setFinalStop(pixmapRect.bottomRight());
	gradient.setColorAt(0, color(192));
	gradient.setColorAt(1, QColor(0, 0, 0));
	handlePainter.save();
	handlePainter.setClipPath(path);
	handlePainter.fillRect(r, gradient);

	QColor highlight_color = colorize(color(160).rgb(), 192, 255);

	handlePainter.setPen(QPen(highlight_color, 2));
	handlePainter.setBrush(Qt::NoBrush);
	handlePainter.drawEllipse(r.adjusted(0, 0, 2, 2));
	handlePainter.setPen(QPen(QColor(0, 0, 0), 2));
	handlePainter.setBrush(Qt::NoBrush);
	handlePainter.drawEllipse(r.adjusted(-2, -2, 0, 0));

	handlePainter.restore();
	handlePainter.end();
	QPixmapCache::insert(handlePixmapName, cache);
	}

	QPoint topleft = handle.topLeft();
	p->drawPixmap(topleft, cache);

	if ((option->state & State_HasFocus) && (option->state & State_KeyboardFocusChange)) {
	p->save();
	p->setClipPath(path.translated(topleft));
	p->fillRect(handle, QColor(255, 255, 255, 32));
	p->restore();
	}
	}
	p->setBrush(oldBrush);
	p->setPen(oldPen);
	}
	return;
	}
	// qDebug() << cc;
	QProxyStyle::drawComplexControl(cc, option, p, widget);
	}

	diff --git a/darktheme/src/DarkStyle.h b/darktheme/src/DarkStyle.h
	index faa0b77..0e889ab 100644
	--- a/darktheme/src/DarkStyle.h
	+++ b/darktheme/src/DarkStyle.h
	@@ -1,59 +1,59 @@
	#ifndef DARKSTYLE_H
	#define DARKSTYLE_H

	#include <QPainter>
	#include <QProxyStyle>

	class DarkStyle : public QProxyStyle {
	public:
	private:
	struct Private;
	Private *m;

	class ButtonImages {
	public:
	QImage im_normal;
	QImage im_hover;
	};

	struct ScrollBarTextures {
	QImage page_bg;
	ButtonImages sub_line;
	ButtonImages add_line;
	ButtonImages slider;
	};

	QImage colorizeImage(QImage image);
	- QImage loadColorizedImage(const QString &path, const QString &role = QString());
	- ButtonImages generateButtonImages(const QString &path);
	+ QImage loadColorizedImage(QString const &path, QString const &role = QString());
	+ ButtonImages generateButtonImages(QString const &path);
	QImage generateHoverImage(const QImage &source);
	QPixmap pixmapFromImage(QImage const &image, QSize size) const;
	void loadImages();

	QColor colorForSelectedFrame(QStyleOption const *opt) const;
	QColor colorForItemView(QStyleOption const *opt) const;

	void drawNinePatchImage(QPainter *p, QImage const &image, QRect const &r, int w, int h) const;
	void drawGutter(QPainter *p, QRect const &r) const;
	void drawSelectedMenuFrame(const QStyleOption option, QPainter p, QRect rect, QWidget const *widget, bool deep = false) const;
	void drawButton(QPainter p, QStyleOption const option) const;
	void drawToolButton(QPainter p, QStyleOption const option) const;
	void drawMenuBarBG(QPainter p, const QStyleOption option, const QWidget *widget) const;
	QColor color(int level, int alpha = 255) const;
	public:
	DarkStyle(const QColor &base_color = QColor());
	~DarkStyle() override;

	QColor getBaseColor();
	void setBaseColor(const QColor &color);
	void setScrollBarExtent(int n);

	void polish(QPalette &palette) override;
	int pixelMetric(PixelMetric metric, const QStyleOption option, const QWidget widget) const override;
	QRect subControlRect(ComplexControl cc, const QStyleOptionComplex option, SubControl sc, const QWidget widget) const override;
	void drawPrimitive(PrimitiveElement pe, const QStyleOption option, QPainter p, const QWidget *widget) const override;
	void drawControl(ControlElement ce, const QStyleOption option, QPainter p, const QWidget *widget) const override;
	void drawComplexControl(ComplexControl cc, const QStyleOptionComplex option, QPainter p, const QWidget *widget) const override;
	};

	#endif // DARKSTYLE_H
	diff --git a/src/AbstractProcess.cpp b/src/AbstractProcess.cpp
	index 40fc0f4..5cdf0d2 100644
	--- a/src/AbstractProcess.cpp
	+++ b/src/AbstractProcess.cpp
	@@ -1,6 +1,6 @@
	#include "AbstractProcess.h"

	-void AbstractPtyProcess::setChangeDir(const QString &dir)
	+void AbstractPtyProcess::setChangeDir(QString const &dir)
	{
	change_dir = dir;
	}
	diff --git a/src/BlameWindow.cpp b/src/BlameWindow.cpp
	index 27470f6..1e78a93 100644
	--- a/src/BlameWindow.cpp
	+++ b/src/BlameWindow.cpp
	@@ -1,334 +1,334 @@
	#include "BlameWindow.h"
	#include "ui_BlameWindow.h"
	#include "common/misc.h"
	#include "CommitPropertyDialog.h"
	#include "Git.h"
	#include "MainWindow.h"

	#include <QMenu>
	#include <QToolTip>

	enum {
	CommidIdRole = Qt::UserRole,
	};

	namespace {
	struct CommitInfo {
	QString datetime;
	QString author;
	QString email;
	QString message;
	};
	}

	struct BlameWindow::Private {
	QList<BlameItem> list;
	std::map<QString, CommitInfo> commit_cache;
	};

	-BlameWindow::BlameWindow(MainWindow *parent, const QString &filename, const QList<BlameItem> &list)
	+BlameWindow::BlameWindow(MainWindow *parent, QString const &filename, const QList<BlameItem> &list)
	: QDialog(parent)
	, ui(new Ui::BlameWindow)
	, m(new Private)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);

	{
	QString s = "Blame : %1";
	s = s.arg(filename);
	setWindowTitle(s);
	}

	m->list = list;

	int rows = 0;
	for (BlameItem const &item : m->list) {
	if (rows < item.line_number) {
	rows = item.line_number;
	}
	}
	int n = m->list.size();
	if (rows < n) rows = n;

	QStringList cols = {
	"Commit",
	"Time",
	"Line",
	"Text",
	};

	ui->tableWidget->setColumnCount(cols.size());
	ui->tableWidget->setRowCount(rows);

	for (int col = 0; col < cols.size(); col++) {
	auto *item = new QTableWidgetItem(cols[col]);
	ui->tableWidget->setHorizontalHeaderItem(col, item);
	}

	int row = 0;
	for (BlameItem const &blame: m->list) {
	QString id;
	if (Git::isValidID(blame.commit_id)) {
	id = blame.commit_id.mid(0, 8);
	}

	int col = 0;

	auto NewItem = [](QString const &text){
	return new QTableWidgetItem(text);
	};

	auto SetItem = [&](QTableWidgetItem *item){
	ui->tableWidget->setItem(row, col, item);
	col++;
	};

	QTableWidgetItem *item;

	item = NewItem(id);
	item->setData(CommidIdRole, blame.commit_id);
	SetItem(item);

	item = NewItem(misc::makeDateTimeString(blame.time));
	SetItem(item);

	item = NewItem(QString::number(blame.line_number));
	item->setTextAlignment(Qt::AlignRight);
	SetItem(item);

	item = NewItem(blame.text);
	SetItem(item);

	ui->tableWidget->setRowHeight(row, 24);
	row++;
	}

	ui->tableWidget->resizeColumnsToContents();
	ui->tableWidget->horizontalHeader()->stretchLastSection();

	ui->tableWidget->selectRow(0);
	}

	BlameWindow::~BlameWindow()
	{
	delete m;
	delete ui;
	}

	MainWindow *BlameWindow::mainwindow()
	{
	return qobject_cast<MainWindow *>(parent());
	}

	namespace {

	-bool parseBlameHeader(const char ptr, const char end, BlameItem *out)
	+bool parseBlameHeader(char const ptr, char const end, BlameItem *out)
	{
	*out = BlameItem();

	auto SkipSpace = [&](){
	while (ptr < end && isspace(*ptr & 0xff)) {
	ptr++;
	}
	};

	auto Token = [&](){
	char const *head = ptr;
	while (ptr < end) {
	int c = *ptr & 0xff;
	if (isspace(c)) break;
	ptr++;
	}
	return QString::fromLatin1(head, ptr - head);
	};

	BlameItem item;

	item.commit_id = Token();
	if (item.commit_id.isEmpty()) return false;

	SkipSpace();

	if (ptr < end && *ptr == '(') {
	ptr++;
	} else {
	return false;
	}

	if (ptr + 18 < end && memcmp(ptr, "Not Committed Yet ", 18) == 0) {
	ptr += 18;
	} else {
	item.author = Token();
	SkipSpace();
	}

	if (ptr + 25 < end && ptr[4] == '-' && ptr[7] == '-' && ptr[10] == ' ' && ptr[13] == ':' && ptr[16] == ':') {
	int year = atoi(ptr);
	int month = atoi(ptr + 5);
	int day = atoi(ptr + 8);
	int hour = atoi(ptr + 11);
	int minute = atoi(ptr + 14);
	int second = atoi(ptr + 17);
	item.time = QDateTime(QDate(year, month, day), QTime(hour, minute, second));
	ptr += 25;
	} else {
	return false;
	}

	SkipSpace();
	item.line_number = atoi(ptr);

	*out = item;
	return true;
	}

	-QString textWithoutTab(const char ptr, const char end)
	+QString textWithoutTab(char const ptr, char const end)
	{
	std::vector<char> vec;
	vec.reserve(end - ptr);
	int x = 0;
	while (ptr < end) {
	int c = *ptr & 0xff;
	if (c == '\t') {
	do {
	vec.push_back(' ');
	x++;
	} while (x % 4 != 0);
	} else if (c < ' ') {
	vec.push_back('.');
	x++;
	} else {
	vec.push_back(c);
	x++;
	}
	ptr++;
	}
	if (vec.empty()) return QString();
	return QString::fromUtf8(&vec[0], vec.size());
	}

	} // end namespace

	-QList<BlameItem> BlameWindow::parseBlame(const char begin, const char end)
	+QList<BlameItem> BlameWindow::parseBlame(char const begin, char const end)
	{
	QList<BlameItem> list;
	char const *ptr = begin;
	while (ptr < end) {
	char const *mid = nullptr;
	char const *eol = ptr;
	while (eol < end) {
	if (!mid && eol + 1 < end && eol[0] == ')' && eol[1] == ' ') {
	mid = eol + 2;
	}
	if (eol == '\r' \|\| eol == '\n') {
	break;
	}
	eol++;
	}
	if (mid) {
	BlameItem t;
	parseBlameHeader(ptr, mid, &t);
	t.text = textWithoutTab(mid, eol);
	list.push_back(t);
	}
	ptr = eol;
	if (ptr < end) {
	if (*ptr == '\r') {
	ptr++;
	if (ptr < end && *ptr == '\n') {
	ptr++;
	}
	} else if (*ptr == '\n') {
	ptr++;
	}
	}
	}
	return list;
	}

	QString BlameWindow::getCommitId(QTableWidgetItem *item) const
	{
	return item ? item->data(CommidIdRole).toString() : QString();
	}

	QString BlameWindow::currentCommitId() const
	{
	QString id;
	int row = ui->tableWidget->currentRow();
	if (row >= 0 && row < m->list.size()) {
	QTableWidgetItem *item = ui->tableWidget->item(row, 0);
	id = getCommitId(item);
	}
	return id;
	}

	void BlameWindow::on_tableWidget_itemDoubleClicked(QTableWidgetItem *)
	{
	QString id = currentCommitId();
	if (Git::isValidID(id)) {
	CommitPropertyDialog dlg(this, mainwindow(), id);
	dlg.showCheckoutButton(false);
	dlg.showJumpButton(true);
	if (dlg.exec() == QDialog::Accepted) {
	close();
	}
	}
	}

	void BlameWindow::on_tableWidget_customContextMenuRequested(const QPoint &pos)
	{
	(void)pos;
	int row = ui->tableWidget->currentRow();
	if (row < 0 \|\| row >= m->list.size()) return;

	Git::CommitItem commit;
	BlameItem blame = m->list[row];
	GitPtr g = mainwindow()->git();
	if (!g->queryCommit(blame.commit_id, &commit)) return;

	QMenu menu;
	QAction *a_property = mainwindow()->addMenuActionProperty(&menu);
	QAction *a = menu.exec(QCursor::pos() + QPoint(8, -8));
	if (a) {
	if (a == a_property) {
	mainwindow()->execCommitPropertyDialog(this, &commit);
	return;
	}
	}
	}

	void BlameWindow::on_tableWidget_currentItemChanged(QTableWidgetItem current, QTableWidgetItem previous)
	{
	(void)current;
	(void)previous;
	QString id = currentCommitId();
	CommitInfo info;
	if (Git::isValidID(id)) {
	auto it = m->commit_cache.find(id);
	if (it != m->commit_cache.end()) {
	info = it->second;
	} else {
	GitPtr g = mainwindow()->git();
	Git::CommitItem commit;
	if (g->queryCommit(id, &commit)) {
	info.datetime = misc::makeDateTimeString(commit.commit_date);
	info.author = commit.author;
	info.email = commit.email;
	info.message = commit.message;
	}
	}
	} else {
	id = QString();
	}
	QString author = info.author;
	if (!info.email.isEmpty()) {
	author = author + " <" + info.email + '>';
	}
	ui->lineEdit_commit_id->setText(id);
	ui->lineEdit_date->setText(info.datetime);
	ui->lineEdit_author->setText(author);
	ui->lineEdit_message->setText(info.message);
	}
	diff --git a/src/BlameWindow.h b/src/BlameWindow.h
	index b1dbc3f..39f3813 100644
	--- a/src/BlameWindow.h
	+++ b/src/BlameWindow.h
	@@ -1,50 +1,50 @@
	#ifndef BLAMEWINDOW_H
	#define BLAMEWINDOW_H

	#include <QDateTime>
	#include <QDialog>

	class MainWindow;
	class QTableWidgetItem;


	namespace Ui {
	class BlameWindow;
	}

	struct BlameItem {
	QString commit_id;
	QString author;
	QDateTime time;
	int line_number = 0;
	QString text;
	};

	class BlameWindow : public QDialog
	{
	Q_OBJECT
	private:
	struct Private;
	Private *m;
	public:
	explicit BlameWindow(MainWindow *parent, QString const &filename, QList<BlameItem> const &list);
	~BlameWindow();

	- static QList<BlameItem> parseBlame(const char begin, const char end);
	+ static QList<BlameItem> parseBlame(char const begin, char const end);
	private slots:
	void on_tableWidget_itemDoubleClicked(QTableWidgetItem *item);

	void on_tableWidget_customContextMenuRequested(const QPoint &pos);

	void on_tableWidget_currentItemChanged(QTableWidgetItem current, QTableWidgetItem previous);

	private:
	Ui::BlameWindow *ui;
	MainWindow *mainwindow();

	// QObject interface
	QString getCommitId(QTableWidgetItem *item) const;
	QString currentCommitId() const;
	};

	#endif // BLAMEWINDOW_H
	diff --git a/src/CheckoutDialog.cpp b/src/CheckoutDialog.cpp
	index 0deac09..f80e00f 100644
	--- a/src/CheckoutDialog.cpp
	+++ b/src/CheckoutDialog.cpp
	@@ -1,119 +1,123 @@
	#include "CheckoutDialog.h"
	#include "ui_CheckoutDialog.h"

	#include <QLineEdit>

	struct CheckoutDialog::Private {
	QStringList tags;
	QStringList local_branch_names;
	QStringList remote_branch_names;

	};

	-
	-CheckoutDialog::CheckoutDialog(QWidget *parent, const QStringList &tags, const QStringList &local_branches, const QStringList &remote_branches)
	+CheckoutDialog::CheckoutDialog(QWidget *parent, QStringList const &tags, QStringList const &local_branches, QStringList const &remote_branches)
	: QDialog(parent)
	, ui(new Ui::CheckoutDialog)
	, m(new Private)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);

	m->tags = tags;
	m->local_branch_names = local_branches;
	m->remote_branch_names = remote_branches;

	ui->radioButton_head_detached->setText("HEAD detached");
	ui->radioButton_existing_local_branch->setText("Existing local branch");
	ui->radioButton_create_local_branch->setText("Create local branch");

	bool existing = makeComboBoxOptions(local_branches) > 0;

	+ QRadioButton *sel = nullptr;
	if (existing) {
	- ui->radioButton_existing_local_branch->click();
	+ sel = ui->radioButton_existing_local_branch;
	} else {
	ui->radioButton_existing_local_branch->setEnabled(false);
	- ui->radioButton_create_local_branch->click();
	+ sel = ui->radioButton_create_local_branch;
	+ }
	+ if (sel) {
	+ sel->setFocus();
	+ sel->click();
	}
	}

	CheckoutDialog::~CheckoutDialog()
	{
	delete m;
	delete ui;
	}

	int CheckoutDialog::makeComboBoxOptions(QStringList const &names)
	{
	int count = 0;
	ui->comboBox_branch_name->clear();
	ui->comboBox_branch_name->clearEditText();
	for (QString const &name : names) {
	int i = name.lastIndexOf('/');
	if (i < 0 && name == "HEAD") continue;
	if (i > 0 && name.mid(i + 1) == "HEAD") continue;
	ui->comboBox_branch_name->addItem(name);
	count++;
	}
	return count;
	}

	void CheckoutDialog::clearComboBoxOptions()
	{
	makeComboBoxOptions(QStringList());
	}

	CheckoutDialog::Operation CheckoutDialog::operation() const
	{
	if (ui->radioButton_existing_local_branch->isChecked()) return Operation::ExistingLocalBranch;
	if (ui->radioButton_create_local_branch->isChecked()) return Operation::CreateLocalBranch;
	return Operation::HeadDetached;
	}

	QString CheckoutDialog::branchName() const
	{
	if (operation() == Operation::HeadDetached) {
	return QString();
	}
	return ui->comboBox_branch_name->currentText();
	}

	void CheckoutDialog::updateUI()
	{
	if (ui->radioButton_head_detached->isChecked()) {
	clearComboBoxOptions();
	ui->comboBox_branch_name->setEditable(false);
	ui->comboBox_branch_name->setEnabled(false);
	} else if (ui->radioButton_existing_local_branch->isChecked()) {
	ui->comboBox_branch_name->setEnabled(true);
	ui->comboBox_branch_name->setEditable(false);
	makeComboBoxOptions(m->local_branch_names);
	} else if (ui->radioButton_create_local_branch->isChecked()) {
	ui->comboBox_branch_name->setEnabled(true);
	ui->comboBox_branch_name->setEditable(true);
	QStringList names;
	names.append(m->tags);
	names.append(m->remote_branch_names);
	makeComboBoxOptions(names);
	QLineEdit *e = ui->comboBox_branch_name->lineEdit();
	e->setFocus();
	e->selectAll();
	}
	}

	void CheckoutDialog::on_radioButton_head_detached_toggled(bool /checked/)
	{
	updateUI();
	}

	void CheckoutDialog::on_radioButton_existing_local_branch_toggled(bool /checked/)
	{
	updateUI();
	}

	void CheckoutDialog::on_radioButton_create_local_branch_toggled(bool /checked/)
	{
	updateUI();
	}
	diff --git a/src/CheckoutDialog.h b/src/CheckoutDialog.h
	index 426c275..03d9e06 100644
	--- a/src/CheckoutDialog.h
	+++ b/src/CheckoutDialog.h
	@@ -1,45 +1,45 @@
	#ifndef CHECKOUTDIALOG_H
	#define CHECKOUTDIALOG_H

	#include <QDialog>
	#include "Git.h"

	namespace Ui {
	class CheckoutDialog;
	}

	class CheckoutDialog : public QDialog
	{
	Q_OBJECT
	private:
	struct Private;
	Private *m;
	public:

	- explicit CheckoutDialog(QWidget *parent, const QStringList &tags, const QStringList &local_branches, const QStringList &remote_branches);
	+ explicit CheckoutDialog(QWidget *parent, QStringList const &tags, QStringList const &local_branches, QStringList const &remote_branches);
	~CheckoutDialog();

	enum class Operation {
	HeadDetached,
	CreateLocalBranch,
	ExistingLocalBranch,
	};

	Operation operation() const;

	QString branchName() const;
	private slots:
	void on_radioButton_head_detached_toggled(bool checked);

	void on_radioButton_existing_local_branch_toggled(bool checked);

	void on_radioButton_create_local_branch_toggled(bool checked);

	private:
	Ui::CheckoutDialog *ui;
	void updateUI();
	- int makeComboBoxOptions(const QStringList &names);
	+ int makeComboBoxOptions(QStringList const &names);
	void clearComboBoxOptions();
	};

	#endif // CHECKOUTDIALOG_H
	diff --git a/src/CloneDialog.cpp b/src/CloneDialog.cpp
	index b2a407c..fb59888 100644
	--- a/src/CloneDialog.cpp
	+++ b/src/CloneDialog.cpp
	@@ -1,138 +1,138 @@
	#include "CloneDialog.h"
	#include "ui_CloneDialog.h"
	#include "common/misc.h"
	#include "common/joinpath.h"
	#include "MainWindow.h"
	#include "SearchFromGitHubDialog.h"

	#include <QFileDialog>
	#include <QMessageBox>
	#include <QThread>

	enum SearchRepository {
	None,
	GitHub,
	};

	struct CloneDialog::Private {
	QString url;
	QString repo_name;
	QString default_working_dir;
	bool ok = false;
	QString errmsg;
	CloneDialog::Action action = CloneDialog::Action::Clone;
	};

	-CloneDialog::CloneDialog(MainWindow *parent, const QString &url, const QString &defworkdir)
	+CloneDialog::CloneDialog(MainWindow *parent, QString const &url, QString const &defworkdir)
	: QDialog(parent)
	, ui(new Ui::CloneDialog)
	, m(new Private)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);

	ui->lineEdit_repo_location->setText(url);
	m->default_working_dir = defworkdir;
	ui->lineEdit_working_dir->setText(m->default_working_dir);

	ui->comboBox->addItem(tr("Search"));
	ui->comboBox->addItem(tr("GitHub"));
	}

	CloneDialog::~CloneDialog()
	{
	delete m;
	delete ui;
	}

	CloneDialog::Action CloneDialog::action() const
	{
	return m->action;
	}

	MainWindow *CloneDialog::mainwindow()
	{
	return qobject_cast<MainWindow *>(parent());
	}

	QString CloneDialog::url()
	{
	return ui->lineEdit_repo_location->text();
	}

	QString CloneDialog::dir()
	{
	return ui->lineEdit_working_dir->text();
	}

	-void CloneDialog::on_lineEdit_repo_location_textChanged(const QString &text)
	+void CloneDialog::on_lineEdit_repo_location_textChanged(QString const &text)
	{
	QString path;
	int i = text.lastIndexOf('/');
	int j = text.lastIndexOf('\\');
	if (i < j) i = j;
	j = text.size();
	if (text.endsWith(".git")) {
	j -= 4;
	}
	if (i >= 0 && i < j) {
	path = text.mid(i, j - i);
	}
	m->repo_name = path;
	path = m->default_working_dir / m->repo_name;
	path = misc::normalizePathSeparator(path);
	ui->lineEdit_working_dir->setText(path);
	}

	void CloneDialog::on_comboBox_currentIndexChanged(int index)
	{
	if (index == GitHub) {
	SearchFromGitHubDialog dlg(this, mainwindow());
	if (dlg.exec() == QDialog::Accepted) {
	ui->lineEdit_repo_location->setText(dlg.url());
	}
	}
	ui->comboBox->setCurrentIndex(0);
	}

	void CloneDialog::on_pushButton_test_clicked()
	{
	mainwindow()->testRemoteRepositoryValidity(url());
	}

	void CloneDialog::on_pushButton_browse_clicked()
	{
	QString path = ui->lineEdit_working_dir->text();
	path = QFileDialog::getExistingDirectory(this, tr("Checkout into"), path);
	if (!path.isEmpty()) {
	m->default_working_dir = path;
	path = m->default_working_dir / m->repo_name;
	path = misc::normalizePathSeparator(path);
	ui->lineEdit_working_dir->setText(path);
	}
	}

	void CloneDialog::on_pushButton_open_existing_clicked()
	{
	QString dir = mainwindow()->defaultWorkingDir();
	dir = QFileDialog::getExistingDirectory(this, tr("Open existing directory"), dir);
	if (QFileInfo(dir).isDir()) {
	QString url;
	GitPtr g = mainwindow()->git(dir);
	QList<Git::Remote> vec;
	if (g->isValidWorkingCopy()) {
	g->getRemoteURLs(&vec);
	}
	for (Git::Remote const &r : vec) {
	if (r.purpose == "push" \|\| url.isEmpty()) {
	url = r.url;
	}
	}
	ui->lineEdit_repo_location->setText(url);
	ui->lineEdit_working_dir->setText(dir);
	m->action = CloneDialog::Action::AddExisting;
	done(Accepted);
	}
	}
	diff --git a/src/CloneDialog.h b/src/CloneDialog.h
	index 618f463..554a2b7 100644
	--- a/src/CloneDialog.h
	+++ b/src/CloneDialog.h
	@@ -1,46 +1,46 @@
	#ifndef CLONEDIALOG_H
	#define CLONEDIALOG_H

	#include <QDialog>
	#include <QThread>
	#include "Git.h"

	namespace Ui {
	class CloneDialog;
	}

	class MainWindow;

	class CloneDialog : public QDialog
	{
	Q_OBJECT
	private:
	struct Private;
	Private *m;

	typedef std::shared_ptr<Git> GitPtr;
	public:
	explicit CloneDialog(MainWindow *parent, QString const &url, QString const &defworkdir);
	~CloneDialog();

	enum class Action {
	Clone,
	AddExisting,
	};
	Action action() const;

	QString url();
	QString dir();
	private:
	Ui::CloneDialog *ui;

	MainWindow *mainwindow();
	private slots:
	- void on_lineEdit_repo_location_textChanged(const QString &arg1);
	+ void on_lineEdit_repo_location_textChanged(QString const &arg1);
	void on_pushButton_test_clicked();
	void on_comboBox_currentIndexChanged(int index);
	void on_pushButton_browse_clicked();
	void on_pushButton_open_existing_clicked();
	};

	#endif // CLONEDIALOG_H
	diff --git a/src/CommitDialog.cpp b/src/CommitDialog.cpp
	index d1a1704..516ec63 100644
	--- a/src/CommitDialog.cpp
	+++ b/src/CommitDialog.cpp
	@@ -1,95 +1,95 @@
	#include "CommitDialog.h"
	#include "ui_CommitDialog.h"
	#include "MainWindow.h"
	#include "ConfigSigningDialog.h"
	#include <QDir>

	CommitDialog::CommitDialog(MainWindow *parent, QString const &reponame, const Git::User &user, const gpg::Data &key) :
	QDialog(parent),
	ui(new Ui::CommitDialog)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);

	key_ = key;

	ui->label_reponame->setText(reponame);
	ui->label_commit_author->setText(user.name);
	ui->label_commit_mail->setText(user.email);

	updateSigningInfo();

	ui->plainTextEdit->setFocus();
	}

	CommitDialog::~CommitDialog()
	{
	delete ui;
	}

	MainWindow *CommitDialog::mainwindow()
	{
	return qobject_cast<MainWindow *>(parent());
	}

	void CommitDialog::updateSigningInfo()
	{
	GitPtr g = mainwindow()->git();

	Git::SignPolicy pol = g->signPolicy(Git::Source::Default);
	if (!key_.id.isEmpty()) {
	if (pol == Git::SignPolicy::True) {
	ui->groupBox_gpg_sign->setCheckable(false);
	} else {
	ui->groupBox_gpg_sign->setCheckable(true);
	ui->groupBox_gpg_sign->setChecked(false);
	}
	ui->label_sign_id->setText(key_.id);
	ui->label_sign_name->setText(key_.name);
	ui->label_sign_mail->setText(key_.mail);
	} else {
	ui->groupBox_gpg_sign->setChecked(false);
	ui->groupBox_gpg_sign->setEnabled(false);
	}
	}

	bool CommitDialog::isSigningEnabled() const
	{
	return ui->groupBox_gpg_sign->isChecked();
	}

	-void CommitDialog::setText(const QString &text)
	+void CommitDialog::setText(QString const &text)
	{
	ui->plainTextEdit->setPlainText(text);
	QTextCursor cur = ui->plainTextEdit->textCursor();
	cur.movePosition(QTextCursor::End, QTextCursor::MoveAnchor);
	ui->plainTextEdit->setTextCursor(cur);
	}

	QString CommitDialog::text() const
	{
	return ui->plainTextEdit->toPlainText();
	}


	void CommitDialog::keyPressEvent(QKeyEvent *event)
	{
	if (event->modifiers() & Qt::ControlModifier) {
	if (event->key() == Qt::Key_Return \|\| event->key() == Qt::Key_Enter) {
	event->accept();
	accept();
	return;
	}
	}
	QDialog::keyPressEvent(event);
	}

	void CommitDialog::on_pushButton_config_signing_clicked()
	{
	ConfigSigningDialog dlg(this, mainwindow(), true);
	if (dlg.exec() == QDialog::Accepted) {
	updateSigningInfo();
	}
	}
	diff --git a/src/CommitDialog.h b/src/CommitDialog.h
	index f1a2238..dee4248 100644
	--- a/src/CommitDialog.h
	+++ b/src/CommitDialog.h
	@@ -1,39 +1,39 @@
	#ifndef COMMITDIALOG_H
	#define COMMITDIALOG_H

	#include "Git.h"
	#include "gpg.h"

	#include <QDialog>

	class MainWindow;

	namespace Ui {
	class CommitDialog;
	}

	class CommitDialog : public QDialog
	{
	Q_OBJECT

	public:
	- explicit CommitDialog(MainWindow *parent, const QString &reponame, Git::User const &user, gpg::Data const &key);
	+ explicit CommitDialog(MainWindow *parent, QString const &reponame, Git::User const &user, gpg::Data const &key);
	~CommitDialog();

	- void setText(const QString &text);
	+ void setText(QString const &text);
	QString text() const;
	bool isSigningEnabled() const;
	protected:
	void keyPressEvent(QKeyEvent *event);
	private:
	Ui::CommitDialog *ui;
	gpg::Data key_;

	// QDialog interface
	MainWindow *mainwindow();
	void updateSigningInfo();
	private slots:
	void on_pushButton_config_signing_clicked();
	};

	#endif // COMMITDIALOG_H
	diff --git a/src/CommitExploreWindow.h b/src/CommitExploreWindow.h
	index 3ddf5cc..5d3d2cf 100644
	--- a/src/CommitExploreWindow.h
	+++ b/src/CommitExploreWindow.h
	@@ -1,43 +1,43 @@
	#ifndef COMMITEXPLOREWINDOW_H
	#define COMMITEXPLOREWINDOW_H

	#include <QDialog>
	#include "FileDiffWidget.h"

	namespace Ui {
	class CommitExploreWindow;
	}

	class QTreeWidgetItem;
	class QListWidgetItem;
	class GitObjectCache;

	class CommitExploreWindow : public QDialog
	{
	Q_OBJECT
	private:
	Ui::CommitExploreWindow *ui;

	struct Private;
	Private *m;

	- void loadTree(const QString &tree_id);
	+ void loadTree(QString const &tree_id);
	void doTreeItemChanged_(QTreeWidgetItem *current);
	void expandTreeItem_(QTreeWidgetItem *item);
	MainWindow *mainwindow();
	public:
	explicit CommitExploreWindow(QWidget parent, MainWindow mainwin, GitObjectCache objcache, Git::CommitItem const commit);
	~CommitExploreWindow();

	void clearContent();
	private slots:
	void on_treeWidget_itemExpanded(QTreeWidgetItem *item);
	void on_treeWidget_currentItemChanged(QTreeWidgetItem current, QTreeWidgetItem previous);
	void on_listWidget_itemDoubleClicked(QListWidgetItem *item);
	void on_listWidget_currentItemChanged(QListWidgetItem current, QListWidgetItem previous);
	void on_verticalScrollBar_valueChanged(int);
	void on_horizontalScrollBar_valueChanged(int);
	void on_listWidget_customContextMenuRequested(const QPoint &pos);
	};

	#endif // COMMITEXPLOREWINDOW_H
	diff --git a/src/CommitPropertyDialog.cpp b/src/CommitPropertyDialog.cpp
	index 92355fc..017e339 100644
	--- a/src/CommitPropertyDialog.cpp
	+++ b/src/CommitPropertyDialog.cpp
	@@ -1,168 +1,168 @@
	#include "CommitPropertyDialog.h"
	#include "MainWindow.h"
	#include "gpg.h"
	#include "ui_CommitPropertyDialog.h"
	#include "ApplicationGlobal.h"
	#include "AvatarLoader.h"
	#include "common/misc.h"

	struct CommitPropertyDialog::Private {
	MainWindow *mainwindow;
	Git::CommitItem commit;
	AvatarLoader avatar_loader;
	};

	void CommitPropertyDialog::init(MainWindow *mw)
	{
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);

	ui->pushButton_jump->setVisible(false);

	m->mainwindow = mw;

	ui->lineEdit_description->setText(m->commit.message);
	ui->lineEdit_commit_id->setText(m->commit.commit_id);
	ui->lineEdit_date->setText(misc::makeDateTimeString(m->commit.commit_date));
	ui->lineEdit_author->setText(m->commit.author);
	ui->lineEdit_mail->setText(m->commit.email);

	QString text;
	for (QString const &id : m->commit.parent_ids) {
	text += id + '\n';
	}
	ui->plainTextEdit_parent_ids->setPlainText(text);

	gpg::Data key;
	int n1 = m->commit.fingerprint.size();
	if (n1 > 0) {
	QList<gpg::Data> keys;
	if (gpg::listKeys(global->gpg_command, &keys)) {
	for (gpg::Data const &k : keys) {
	int n2 = k.fingerprint.size();
	if (n2 > 0) {
	int n = std::min(n1, n2);
	char const *p1 = m->commit.fingerprint.data() + n1 - n;
	char const *p2 = k.fingerprint.data() + n2 - n;
	if (memcmp(p1, p2, n) == 0) {
	key = k;
	break;
	}
	}
	}
	} else {
	qDebug() << "Failed to get gpg keys";
	}
	if (key.id.isEmpty()) {
	// gpgコマンドが登録されていないなど、keyidが取得できなかったとき
	key.id = tr("<Unknown>");
	}
	}
	if (key.id.isEmpty()) {
	ui->frame_sign->setVisible(false);
	} else {
	{
	int w = ui->label_signature_icon->width();
	int h = ui->label_signature_icon->width();
	QIcon icon = mainwindow()->verifiedIcon(m->commit.signature);
	ui->label_signature_icon->setPixmap(icon.pixmap(w, h));
	}
	ui->lineEdit_sign_id->setText(key.id);
	ui->lineEdit_sign_name->setText(key.name);
	ui->lineEdit_sign_mail->setText(key.mail);
	}

	m->avatar_loader.start(mainwindow()->webContext());
	connect(&m->avatar_loader, &AvatarLoader::updated, [&](){
	UpdateAvatar(false);
	});
	UpdateAvatar(true);
	}

	void CommitPropertyDialog::UpdateAvatar(bool request)
	{
	auto SetAvatar = [&](QString const &email, QLabel *label){
	if (mainwindow()->appsettings()->get_committer_icon) {
	label->setFixedSize(QSize(48, 48));
	QIcon icon = m->avatar_loader.fetch(email.toStdString(), request);
	setAvatar(icon, label);
	} else {
	label->setVisible(false);
	}
	};
	SetAvatar(ui->lineEdit_mail->text(), ui->label_user_avatar);
	SetAvatar(ui->lineEdit_sign_mail->text(), ui->label_sign_avatar);
	}

	CommitPropertyDialog::CommitPropertyDialog(QWidget parent, MainWindow mw, Git::CommitItem const *commit)
	: QDialog(parent)
	, ui(new Ui::CommitPropertyDialog)
	, m(new Private)
	{
	ui->setupUi(this);
	m->commit = *commit;
	init(mw);
	}

	-CommitPropertyDialog::CommitPropertyDialog(QWidget parent, MainWindow mw, const QString &commit_id)
	+CommitPropertyDialog::CommitPropertyDialog(QWidget parent, MainWindow mw, QString const &commit_id)
	: QDialog(parent)
	, ui(new Ui::CommitPropertyDialog)
	, m(new Private)
	{
	ui->setupUi(this);

	mw->queryCommit(commit_id, &m->commit);
	init(mw);
	}

	CommitPropertyDialog::~CommitPropertyDialog()
	{
	m->avatar_loader.stop();
	delete m;
	delete ui;
	}

	MainWindow *CommitPropertyDialog::mainwindow()
	{
	return m->mainwindow;
	}

	void CommitPropertyDialog::setAvatar(QIcon icon, QLabel *label)
	{
	QPixmap pm = icon.pixmap(label->size());
	label->setPixmap(pm);
	}

	void CommitPropertyDialog::showCheckoutButton(bool f)
	{
	ui->pushButton_checkout->setVisible(f);
	}

	void CommitPropertyDialog::showJumpButton(bool f)
	{
	ui->pushButton_jump->setVisible(f);
	}

	void CommitPropertyDialog::on_pushButton_checkout_clicked()
	{
	mainwindow()->checkout(this, &m->commit);
	done(QDialog::Rejected);
	}

	void CommitPropertyDialog::on_pushButton_jump_clicked()
	{
	mainwindow()->jumpToCommit(m->commit.commit_id);
	done(QDialog::Accepted);
	}

	void CommitPropertyDialog::on_pushButton_details_clicked()
	{
	mainwindow()->execCommitViewWindow(&m->commit);
	}

	void CommitPropertyDialog::on_pushButton_explorer_clicked()
	{
	mainwindow()->execCommitExploreWindow(this, &m->commit);

	}
	diff --git a/src/ConfigCredentialHelperDialog.h b/src/ConfigCredentialHelperDialog.h
	index 569382f..54a7da5 100644
	--- a/src/ConfigCredentialHelperDialog.h
	+++ b/src/ConfigCredentialHelperDialog.h
	@@ -1,25 +1,25 @@
	#ifndef CONFIGCREDENTIALHELPERDIALOG_H
	#define CONFIGCREDENTIALHELPERDIALOG_H

	#include <QDialog>

	namespace Ui {
	class ConfigCredentialHelperDialog;
	}

	class ConfigCredentialHelperDialog : public QDialog
	{
	Q_OBJECT

	public:
	explicit ConfigCredentialHelperDialog(QWidget *parent = 0);
	~ConfigCredentialHelperDialog();

	QString helper() const;

	- void setHelper(const QString &helper);
	+ void setHelper(QString const &helper);
	private:
	Ui::ConfigCredentialHelperDialog *ui;
	};

	#endif // CONFIGCREDENTIALHELPERDIALOG_H
	diff --git a/src/CreateRepositoryDialog.cpp b/src/CreateRepositoryDialog.cpp
	index 925d4c2..b77849e 100644
	--- a/src/CreateRepositoryDialog.cpp
	+++ b/src/CreateRepositoryDialog.cpp
	@@ -1,132 +1,132 @@
	#include "CreateRepositoryDialog.h"
	#include "MainWindow.h"
	#include "common/misc.h"
	#include "ui_CreateRepositoryDialog.h"

	#include <QFileDialog>
	#include <QMessageBox>
	#include "Git.h"

	-CreateRepositoryDialog::CreateRepositoryDialog(MainWindow *parent, const QString &dir) :
	+CreateRepositoryDialog::CreateRepositoryDialog(MainWindow *parent, QString const &dir) :
	QDialog(parent),
	ui(new Ui::CreateRepositoryDialog)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);

	already_exists_ = tr("A valid git repository already exists there.");

	ui->lineEdit_path->setText(dir);
	ui->groupBox_remote->setChecked(false);
	ui->lineEdit_remote_name->setText("origin");

	validate(false);
	}

	CreateRepositoryDialog::~CreateRepositoryDialog()
	{
	delete ui;
	}

	MainWindow *CreateRepositoryDialog::mainwindow()
	{
	return qobject_cast<MainWindow *>(parent());
	}

	void CreateRepositoryDialog::accept()
	{
	QString path = ui->lineEdit_path->text();
	if (!QFileInfo(path).isDir()) {
	QMessageBox::warning(this, tr("Create Repository"), tr("The specified path is not a directory."));
	return;
	}
	if (Git::isValidWorkingCopy(path)) {
	QMessageBox::warning(this, tr("Create Repository"), already_exists_);
	return;
	}
	if (!QFileInfo(path).isDir()) {
	QMessageBox::warning(this, tr("Create Repository"), tr("The specified path is not a directory."));
	return;
	}
	if (remoteName().indexOf('\"') >= 0 \|\| remoteURL().indexOf('\"') >= 0) { // 手抜き
	QMessageBox::warning(this, tr("Create Repository"), tr("Remote name is invalid."));
	return;
	}
	done(QDialog::Accepted);
	}

	void CreateRepositoryDialog::on_pushButton_browse_path_clicked()
	{
	QString path = QFileDialog::getExistingDirectory(this, tr("Destination Path"), mainwindow()->defaultWorkingDir());
	if (!path.isEmpty()) {
	path = misc::normalizePathSeparator(path);
	ui->lineEdit_path->setText(path);
	}
	}

	QString CreateRepositoryDialog::path() const
	{
	return ui->lineEdit_path->text();
	}

	QString CreateRepositoryDialog::name() const
	{
	return ui->lineEdit_name->text();
	}

	QString CreateRepositoryDialog::remoteName() const
	{
	return ui->groupBox_remote->isChecked() ? ui->lineEdit_remote_name->text() : QString();
	}

	QString CreateRepositoryDialog::remoteURL() const
	{
	return ui->groupBox_remote->isChecked() ? ui->lineEdit_remote_url->text() : QString();
	}

	void CreateRepositoryDialog::validate(bool change_name)
	{
	QString path = this->path();
	{
	QString text;
	if (Git::isValidWorkingCopy(path)) {
	text = already_exists_;
	}
	ui->label_warning->setText(text);
	}

	if (change_name) {
	int i = path.lastIndexOf('/');
	int j = path.lastIndexOf('\\');
	if (i < j) i = j;

	if (i >= 0) {
	QString name = path.mid(i + 1);
	ui->lineEdit_name->setText(name);
	}
	}
	}

	-void CreateRepositoryDialog::on_lineEdit_path_textChanged(const QString &)
	+void CreateRepositoryDialog::on_lineEdit_path_textChanged(QString const &)
	{
	validate(true);
	}

	-void CreateRepositoryDialog::on_lineEdit_name_textChanged(const QString &)
	+void CreateRepositoryDialog::on_lineEdit_name_textChanged(QString const &)
	{
	validate(false);
	}

	void CreateRepositoryDialog::on_groupBox_remote_toggled(bool)
	{
	validate(false);
	}

	void CreateRepositoryDialog::on_pushButton_test_repo_clicked()
	{
	QString url = ui->lineEdit_remote_url->text();
	mainwindow()->testRemoteRepositoryValidity(url);
	validate(false);
	}
	diff --git a/src/CreateRepositoryDialog.h b/src/CreateRepositoryDialog.h
	index 84b783f..1c16376 100644
	--- a/src/CreateRepositoryDialog.h
	+++ b/src/CreateRepositoryDialog.h
	@@ -1,43 +1,43 @@
	#ifndef CREATEREPOSITORYDIALOG_H
	#define CREATEREPOSITORYDIALOG_H

	#include <QDialog>

	namespace Ui {
	class CreateRepositoryDialog;
	}

	class MainWindow;

	class CreateRepositoryDialog : public QDialog
	{
	Q_OBJECT
	private:
	QString already_exists_;
	public:
	explicit CreateRepositoryDialog(MainWindow *parent, QString const &dir = QString());
	~CreateRepositoryDialog();

	QString path() const;
	QString name() const;
	QString remoteName() const;
	QString remoteURL() const;
	private slots:
	- void on_lineEdit_path_textChanged(const QString &arg1);
	+ void on_lineEdit_path_textChanged(QString const &arg1);
	void on_pushButton_browse_path_clicked();
	- void on_lineEdit_name_textChanged(const QString &arg1);
	+ void on_lineEdit_name_textChanged(QString const &arg1);

	void on_groupBox_remote_toggled(bool arg1);

	void on_pushButton_test_repo_clicked();

	private:
	Ui::CreateRepositoryDialog *ui;
	void validate(bool change_name);
	MainWindow *mainwindow();

	public slots:
	void accept();
	};

	#endif // CREATEREPOSITORYDIALOG_H
	diff --git a/src/DeleteBranchDialog.cpp b/src/DeleteBranchDialog.cpp
	index d91ae1b..3879e20 100644
	--- a/src/DeleteBranchDialog.cpp
	+++ b/src/DeleteBranchDialog.cpp
	@@ -1,75 +1,75 @@
	#include "DeleteBranchDialog.h"
	#include "ui_DeleteBranchDialog.h"

	struct DeleteBranchDialog::Private {
	QStringList all_local_branch_names;
	QStringList current_local_branch_names;
	bool remote = false;
	};

	-DeleteBranchDialog::DeleteBranchDialog(QWidget *parent, bool remote, const QStringList &all_local_branch_names, QStringList const &current_local_branch_names)
	+DeleteBranchDialog::DeleteBranchDialog(QWidget *parent, bool remote, QStringList const &all_local_branch_names, QStringList const &current_local_branch_names)
	: QDialog(parent)
	, ui(new Ui::DeleteBranchDialog)
	, m(new Private)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);

	m->remote = remote;

	if (isRemote()) {
	setWindowTitle(tr("Delete Remote Branch"));
	ui->checkBox_all_branches->setVisible(false);
	}

	m->all_local_branch_names = all_local_branch_names;
	m->current_local_branch_names = current_local_branch_names;

	updateList();
	}

	DeleteBranchDialog::~DeleteBranchDialog()
	{
	delete m;
	delete ui;
	}

	bool DeleteBranchDialog::isRemote() const
	{
	return m->remote;
	}

	void DeleteBranchDialog::updateList()
	{
	bool all = ui->checkBox_all_branches->isChecked();

	ui->listWidget->clear();

	for (QString const &name : (all ? m->all_local_branch_names : m->current_local_branch_names)) {
	auto *item = new QListWidgetItem;
	item->setText(name);
	item->setCheckState(Qt::Unchecked);
	ui->listWidget->addItem(item);
	}
	}

	QStringList DeleteBranchDialog::selectedBranchNames() const
	{
	QStringList names;
	int n = ui->listWidget->count();
	for (int row = 0; row < n; row++) {
	QListWidgetItem *item = ui->listWidget->item(row);
	Q_ASSERT(item);
	if (item->checkState() == Qt::Checked) {
	names.push_back(item->text());
	}
	}
	return names;
	}

	void DeleteBranchDialog::on_checkBox_all_branches_toggled(bool /checked/)
	{
	updateList();
	}
	diff --git a/src/DeleteBranchDialog.h b/src/DeleteBranchDialog.h
	index 176d6e5..7834e9d 100644
	--- a/src/DeleteBranchDialog.h
	+++ b/src/DeleteBranchDialog.h
	@@ -1,30 +1,30 @@
	#ifndef DELETEBRANCHDIALOG_H
	#define DELETEBRANCHDIALOG_H

	#include <QDialog>

	namespace Ui {
	class DeleteBranchDialog;
	}

	class DeleteBranchDialog : public QDialog
	{
	Q_OBJECT
	private:
	struct Private;
	Private *m;
	public:
	- explicit DeleteBranchDialog(QWidget *parent, bool remote, const QStringList &all_local_branch_names, const QStringList &current_local_branch_names);
	+ explicit DeleteBranchDialog(QWidget *parent, bool remote, QStringList const &all_local_branch_names, QStringList const &current_local_branch_names);
	~DeleteBranchDialog();

	QStringList selectedBranchNames() const;
	private slots:
	void on_checkBox_all_branches_toggled(bool checked);

	private:
	Ui::DeleteBranchDialog *ui;
	void updateList();
	bool isRemote() const;
	};

	#endif // DELETEBRANCHDIALOG_H
	diff --git a/src/DoYouWantToInitDialog.cpp b/src/DoYouWantToInitDialog.cpp
	index fa73976..776d236 100644
	--- a/src/DoYouWantToInitDialog.cpp
	+++ b/src/DoYouWantToInitDialog.cpp
	@@ -1,33 +1,33 @@
	#include "DoYouWantToInitDialog.h"
	#include "ui_DoYouWantToInitDialog.h"

	-DoYouWantToInitDialog::DoYouWantToInitDialog(QWidget *parent, const QString &dir) :
	+DoYouWantToInitDialog::DoYouWantToInitDialog(QWidget *parent, QString const &dir) :
	QDialog(parent),
	ui(new Ui::DoYouWantToInitDialog)
	{
	ui->setupUi(this);
	ui->lineEdit->setText(dir);
	ui->pushButton->setEnabled(false);
	}

	DoYouWantToInitDialog::~DoYouWantToInitDialog()
	{
	delete ui;
	}

	void DoYouWantToInitDialog::on_radioButton_yes_clicked()
	{
	ui->pushButton->setText(tr("Next..."));
	ui->pushButton->setEnabled(true);
	}

	void DoYouWantToInitDialog::on_radioButton_no_clicked()
	{
	ui->pushButton->setText(tr("Cancel"));
	ui->pushButton->setEnabled(true);
	}

	void DoYouWantToInitDialog::on_pushButton_clicked()
	{
	done(ui->radioButton_yes->isChecked() ? QDialog::Accepted : QDialog::Rejected);
	}
	diff --git a/src/EditGitIgnoreDialog.cpp b/src/EditGitIgnoreDialog.cpp
	index 12dea95..61ee942 100644
	--- a/src/EditGitIgnoreDialog.cpp
	+++ b/src/EditGitIgnoreDialog.cpp
	@@ -1,65 +1,65 @@
	#include "EditGitIgnoreDialog.h"
	#include "MainWindow.h"
	#include "TextEditDialog.h"
	#include "ui_EditGitIgnoreDialog.h"

	#include <QFileInfo>

	-EditGitIgnoreDialog::EditGitIgnoreDialog(MainWindow *parent, QString gitignore_path, const QString &file)
	+EditGitIgnoreDialog::EditGitIgnoreDialog(MainWindow *parent, QString gitignore_path, QString const &file)
	: QDialog(parent)
	, ui(new Ui::EditGitIgnoreDialog)
	, gitignore_path(gitignore_path)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);

	QFileInfo info(file);

	ui->radioButton_1->setText(file);
	ui->radioButton_2->setText("*." + info.suffix());

	int i = file.indexOf('/');
	if (i > 0) {
	ui->radioButton_3->setText(file.mid(0, i + 1));
	int j = file.lastIndexOf('/');
	if (i < j) {
	ui->radioButton_4->setText(file.mid(0, j + 1));
	} else {
	ui->radioButton_4->setVisible(false);
	}
	} else {
	ui->radioButton_3->setVisible(false);
	ui->radioButton_4->setVisible(false);
	}

	ui->radioButton_1->click();
	}

	EditGitIgnoreDialog::~EditGitIgnoreDialog()
	{
	delete ui;
	}

	MainWindow *EditGitIgnoreDialog::mainwindow()
	{
	return qobject_cast<MainWindow *>(parent());
	}

	QString EditGitIgnoreDialog::text() const
	{
	if (ui->radioButton_1->isChecked()) return ui->radioButton_1->text();
	if (ui->radioButton_2->isChecked()) return ui->radioButton_2->text();
	if (ui->radioButton_3->isChecked()) return ui->radioButton_3->text();
	if (ui->radioButton_4->isChecked()) return ui->radioButton_4->text();
	return QString();
	}

	void EditGitIgnoreDialog::on_pushButton_edit_file_clicked()
	{
	if (TextEditDialog::editFile(this, gitignore_path, ".gitignore", text() + '\n')) {
	mainwindow()->updateCurrentFilesList();
	done(QDialog::Accepted);
	}
	}
	diff --git a/src/EditRemoteDialog.cpp b/src/EditRemoteDialog.cpp
	index ffb98b8..a8b4266 100644
	--- a/src/EditRemoteDialog.cpp
	+++ b/src/EditRemoteDialog.cpp
	@@ -1,66 +1,66 @@
	#include "EditRemoteDialog.h"
	#include "ui_EditRemoteDialog.h"

	#include "MainWindow.h"

	EditRemoteDialog::EditRemoteDialog(MainWindow *parent, Operation op) :
	QDialog(parent),
	ui(new Ui::EditRemoteDialog)
	{
	ui->setupUi(this);

	if (op == RemoteSet) {
	ui->lineEdit_name->setReadOnly(true);
	ui->lineEdit_name->setEnabled(false);
	}
	}

	EditRemoteDialog::~EditRemoteDialog()
	{
	delete ui;
	}

	MainWindow *EditRemoteDialog::mainwindow()
	{
	return qobject_cast<MainWindow *>(parent());
	}

	-void EditRemoteDialog::setName(const QString &s) const
	+void EditRemoteDialog::setName(QString const &s) const
	{
	ui->lineEdit_name->setText(s);
	}

	-void EditRemoteDialog::setUrl(const QString &s) const
	+void EditRemoteDialog::setUrl(QString const &s) const
	{
	ui->lineEdit_url->setText(s);
	}

	QString EditRemoteDialog::name() const
	{
	return ui->lineEdit_name->text();
	}

	QString EditRemoteDialog::url() const
	{
	return ui->lineEdit_url->text();
	}

	int EditRemoteDialog::exec()
	{
	if (ui->lineEdit_name->text().isEmpty()) {
	ui->lineEdit_name->setFocus();
	} else {
	ui->lineEdit_url->setFocus();
	}
	return QDialog::exec();
	}

	void EditRemoteDialog::on_pushButton_test_clicked()
	{
	QString url = ui->lineEdit_url->text();
	if (mainwindow()->testRemoteRepositoryValidity(url)) {
	ui->pushButton_ok->setFocus();
	} else {
	ui->lineEdit_url->setFocus();
	}
	}
	diff --git a/src/FileDiffWidget.h b/src/FileDiffWidget.h
	index 843b403..affe692 100644
	--- a/src/FileDiffWidget.h
	+++ b/src/FileDiffWidget.h
	@@ -1,167 +1,167 @@
	#ifndef FILEDIFFWIDGET_H
	#define FILEDIFFWIDGET_H

	#include "texteditor/AbstractCharacterBasedApplication.h"
	#include <QDialog>
	#include "Git.h"
	#include "MainWindow.h"
	#include "FileViewWidget.h"
	#include "FileDiffSliderWidget.h"

	namespace Ui {
	class FileDiffWidget;
	}

	enum class ViewType {
	None,
	Left,
	Right
	};

	typedef Document::Line TextDiffLine;
	typedef QList<Document::Line> TextDiffLineList;

	struct ObjectContent {
	QString id;
	QString path;
	QByteArray bytes;
	TextDiffLineList lines;
	};
	typedef std::shared_ptr<ObjectContent> ObjectContentPtr;

	class QTableWidgetItem;

	class FileDiffWidget : public QWidget
	{
	Q_OBJECT
	friend class BigDiffWindow;
	public:
	struct DiffData {
	ObjectContentPtr left;
	ObjectContentPtr right;
	std::vector<std::string> original_lines;
	DiffData()
	{
	clear();
	}
	void clear()
	{
	left = ObjectContentPtr(new ObjectContent());
	right = ObjectContentPtr(new ObjectContent());
	original_lines.clear();
	}
	};

	struct DrawData {
	int v_scroll_pos = 0;
	int h_scroll_pos = 0;
	int char_width = 0;
	int line_height = 0;
	QColor bgcolor_text;
	QColor bgcolor_add;
	QColor bgcolor_del;
	QColor bgcolor_add_dark;
	QColor bgcolor_del_dark;
	QColor bgcolor_gray;
	QWidget *forcus = nullptr;
	DrawData();
	};

	enum ViewStyle {
	None,
	SingleFile,
	LeftOnly,
	RightOnly,
	SideBySideText,
	SideBySideImage,
	};

	private:
	Ui::FileDiffWidget *ui;

	struct Private;
	Private *m;

	struct InitParam_ {
	ViewStyle view_style = ViewStyle::None;
	QByteArray bytes_a;
	QByteArray bytes_b;
	Git::Diff diff;
	bool uncommited = false;
	QString workingdir;
	};

	ViewStyle viewstyle() const;

	GitPtr git();
	- Git::Object cat_file(GitPtr g, const QString &id);
	+ Git::Object cat_file(GitPtr g, QString const &id);

	int totalTextLines() const;

	void resetScrollBarValue();
	void updateSliderCursor();

	int fileviewHeight() const;

	void setDiffText(const Git::Diff &diff, const TextDiffLineList &left, const TextDiffLineList &right);


	- void setLeftOnly(const QByteArray &ba, const Git::Diff &diff);
	- void setRightOnly(const QByteArray &ba, const Git::Diff &diff);
	- void setSideBySide(const QByteArray &ba, const Git::Diff &diff, bool uncommited, const QString &workingdir);
	- void setSideBySide_(const QByteArray &ba_a, const QByteArray &ba_b, const QString &workingdir);
	+ void setLeftOnly(QByteArray const &ba, const Git::Diff &diff);
	+ void setRightOnly(QByteArray const &ba, const Git::Diff &diff);
	+ void setSideBySide(QByteArray const &ba, const Git::Diff &diff, bool uncommited, QString const &workingdir);
	+ void setSideBySide_(QByteArray const &ba_a, QByteArray const &ba_b, QString const &workingdir);

	- bool isValidID_(const QString &id);
	+ bool isValidID_(QString const &id);

	FileViewType setupPreviewWidget();

	void makeSideBySideDiffData(const Git::Diff &diff, const std::vector<std::string> &original_lines, TextDiffLineList left_lines, TextDiffLineList right_lines);
	void onUpdateSliderBar();
	void refrectScrollBar();
	- void setOriginalLines_(const QByteArray &ba);
	- QString diffObjects(GitPtr g, const QString &a_id, const QString &b_id);
	+ void setOriginalLines_(QByteArray const &ba);
	+ QString diffObjects(GitPtr g, QString const &a_id, QString const &b_id);
	MainWindow *mainwindow();
	protected:
	void resizeEvent(QResizeEvent *);
	void keyPressEvent(QKeyEvent *event);
	public:
	explicit FileDiffWidget(QWidget *parent = 0);
	~FileDiffWidget();

	void bind(MainWindow *mw);

	void clearDiffView();

	- void setSingleFile(QByteArray const &ba, const QString &id, const QString &path);
	+ void setSingleFile(QByteArray const &ba, QString const &id, QString const &path);

	void updateControls();
	void scrollToBottom();

	void updateDiffView(const Git::Diff &info, bool uncommited);
	- void updateDiffView(QString id_left, QString id_right, const QString &path = QString());
	+ void updateDiffView(QString id_left, QString id_right, QString const &path = QString());

	void setMaximizeButtonEnabled(bool f);
	void setFocusAcceptable(bool f);
	QPixmap makeDiffPixmap(DiffPane pane, int width, int height);
	void setViewType(FileViewType type);
	void setTextCodec(QTextCodec *codec);
	- void setTextCodec(const char *name);
	+ void setTextCodec(char const *name);
	private slots:
	void onVerticalScrollValueChanged(int);
	void onHorizontalScrollValueChanged(int);
	void onDiffWidgetWheelScroll(int lines);
	void onScrollValueChanged2(int value);
	void onDiffWidgetResized();
	void on_toolButton_fullscreen_clicked();

	void scrollTo(int value);
	void onMoved(int cur_row, int cur_col, int scr_row, int scr_col);
	void on_toolButton_menu_clicked();

	signals:
	void moveNextItem();
	void movePreviousItem();
	void textcodecChanged();
	};

	#endif // FILEDIFFWIDGET_H
	diff --git a/src/FileHistoryWindow.cpp b/src/FileHistoryWindow.cpp
	index 738631f..fe9b804 100644
	--- a/src/FileHistoryWindow.cpp
	+++ b/src/FileHistoryWindow.cpp
	@@ -1,252 +1,252 @@
	#include "FileHistoryWindow.h"
	#include "MainWindow.h"
	#include "ui_FileHistoryWindow.h"
	#include "common/misc.h"
	#include "GitDiff.h"
	#include "common/joinpath.h"
	#include "FileDiffWidget.h"
	#include "MyTableWidgetDelegate.h"

	#include <QMenu>
	#include <QPainter>
	#include <QStyledItemDelegate>
	#include <QThread>

	struct FileHistoryWindow::Private {
	GitPtr g;
	QString path;
	Git::CommitItemList commit_item_list;
	FileDiffWidget::DiffData diff_data;
	FileDiffWidget::DrawData draw_data;
	};

	FileDiffWidget::DiffData *FileHistoryWindow::diffdata()
	{
	return &m->diff_data;
	}

	const FileDiffWidget::DiffData *FileHistoryWindow::diffdata() const
	{
	return &m->diff_data;
	}

	FileDiffWidget::DrawData *FileHistoryWindow::drawdata()
	{
	return &m->draw_data;
	}

	const FileDiffWidget::DrawData *FileHistoryWindow::drawdata() const
	{
	return &m->draw_data;
	}

	int FileHistoryWindow::totalTextLines() const
	{
	return diffdata()->left->lines.size();
	}

	int FileHistoryWindow::fileviewScrollPos() const
	{
	return drawdata()->v_scroll_pos;
	}

	FileHistoryWindow::FileHistoryWindow(MainWindow *parent)
	: QDialog(parent)
	, ui(new Ui::FileHistoryWindow)
	, m(new Private)
	{
	ui->setupUi(this);
	ui->tableWidget_log->setItemDelegate(new MyTableWidgetDelegate(this));
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	flags \|= Qt::WindowMaximizeButtonHint;
	setWindowFlags(flags);

	ui->splitter->setSizes({100, 200});

	ui->widget_diff_view->bind(mainwindow());

	connect(ui->widget_diff_view, SIGNAL(moveNextItem()), this, SLOT(onMoveNextItem()));
	connect(ui->widget_diff_view, SIGNAL(movePreviousItem()), this, SLOT(onMovePreviousItem()));
	}

	FileHistoryWindow::~FileHistoryWindow()
	{
	delete m;
	delete ui;
	}

	MainWindow *FileHistoryWindow::mainwindow()
	{
	return qobject_cast<MainWindow *>(parent());
	}

	-void FileHistoryWindow::prepare(GitPtr g, const QString &path)
	+void FileHistoryWindow::prepare(GitPtr g, QString const &path)
	{
	Q_ASSERT(g);
	Q_ASSERT(g->isValidWorkingCopy());
	this->m->g = g;
	this->m->path = path;

	QString reponame = mainwindow()->currentRepositoryName();
	QString brname = mainwindow()->currentBranch().name;

	QString text = "%1 (%2)";
	text = text.arg(reponame).arg(brname);
	ui->label_repo->setText(text);
	ui->label_path->setText(path);

	{
	OverrideWaitCursor;
	m->commit_item_list = m->g->log_all(m->path, mainwindow()->limitLogCount());
	}

	collectFileHistory();

	updateDiffView();
	}

	void FileHistoryWindow::collectFileHistory()
	{
	QStringList cols = {
	tr("Commit"),
	tr("Date"),
	tr("Author"),
	tr("Description"),
	};
	int n = cols.size();
	ui->tableWidget_log->setColumnCount(n);
	ui->tableWidget_log->setRowCount(0);
	for (int i = 0; i < n; i++) {
	QString const &text = cols[i];
	QTableWidgetItem *item = new QTableWidgetItem(text);
	ui->tableWidget_log->setHorizontalHeaderItem(i, item);
	}

	int count = m->commit_item_list.size();
	ui->tableWidget_log->setRowCount(count);

	for (int row = 0; row < count; row++) {
	Git::CommitItem const &commit = m->commit_item_list[row];
	int col = 0;
	auto AddColumn = [&](QString const &text, QString const &tooltip){
	QTableWidgetItem *item = new QTableWidgetItem(text);
	item->setToolTip(tooltip);
	ui->tableWidget_log->setItem(row, col, item);
	col++;
	};

	QString commit_id = mainwindow()->abbrevCommitID(commit);
	QString datetime = misc::makeDateTimeString(commit.commit_date);
	AddColumn(commit_id, QString());
	AddColumn(datetime, QString());
	AddColumn(commit.author, QString());
	AddColumn(commit.message, commit.message);
	ui->tableWidget_log->setRowHeight(row, 24);
	}

	ui->tableWidget_log->resizeColumnsToContents();
	ui->tableWidget_log->horizontalHeader()->setStretchLastSection(false);
	ui->tableWidget_log->horizontalHeader()->setStretchLastSection(true);

	ui->tableWidget_log->setFocus();
	ui->tableWidget_log->setCurrentCell(0, 0);
	}

	class FindFileIdThread : public QThread {
	private:
	MainWindow *mainwindow;
	GitPtr g;
	QString commit_id;
	QString file;
	public:
	QString result;
	- FindFileIdThread(MainWindow *mainwindow, GitPtr g, const QString &commit_id, const QString &file)
	+ FindFileIdThread(MainWindow *mainwindow, GitPtr g, QString const &commit_id, QString const &file)
	{
	this->mainwindow = mainwindow;
	this->g = g;
	this->commit_id = commit_id;
	this->file = file;
	}

	protected:
	void run() override
	{
	result = mainwindow->findFileID(g, commit_id, file);
	}
	};

	void FileHistoryWindow::updateDiffView()
	{
	Q_ASSERT(m->g);
	Q_ASSERT(m->g->isValidWorkingCopy());

	ui->widget_diff_view->clearDiffView();

	int row = ui->tableWidget_log->currentRow();
	if (row >= 0 && row + 1 < (int)m->commit_item_list.size()) {
	Git::CommitItem const &commit_left = m->commit_item_list[row + 1]; // older
	Git::CommitItem const &commit_right = m->commit_item_list[row]; // newer

	FindFileIdThread left_thread(mainwindow(), m->g->dup(), commit_left.commit_id, m->path);
	FindFileIdThread right_thread(mainwindow(), m->g->dup(), commit_right.commit_id, m->path);
	left_thread.start();
	right_thread.start();
	left_thread.wait();
	right_thread.wait();
	QString id_left = left_thread.result;
	QString id_right = right_thread.result;

	ui->widget_diff_view->updateDiffView(id_left, id_right, m->path);
	} else if (row >= 0 && row < (int)m->commit_item_list.size()) {
	Git::CommitItem const &commit = m->commit_item_list[row]; // newer
	QString id = mainwindow()->findFileID(m->g, commit.commit_id, m->path);

	Git::Diff diff(id, m->path, QString());
	ui->widget_diff_view->updateDiffView(diff, false);
	}
	}

	void FileHistoryWindow::on_tableWidget_log_currentItemChanged(QTableWidgetItem * /current/, QTableWidgetItem * /previous/)
	{
	updateDiffView();
	}

	void FileHistoryWindow::onMoveNextItem()
	{
	int row = ui->tableWidget_log->currentRow();
	int count = ui->tableWidget_log->rowCount();
	if (row + 1 < count) {
	ui->tableWidget_log->setCurrentCell(row + 1, 0, QItemSelectionModel::ClearAndSelect);
	}
	}

	void FileHistoryWindow::onMovePreviousItem()
	{
	int row = ui->tableWidget_log->currentRow();
	if (row > 0) {
	ui->tableWidget_log->setCurrentCell(row - 1, 0, QItemSelectionModel::ClearAndSelect);
	}
	}


	void FileHistoryWindow::on_tableWidget_log_customContextMenuRequested(const QPoint &pos)
	{
	(void)pos;
	Git::CommitItem const *commit = nullptr;
	int row = ui->tableWidget_log->currentRow();
	if (row >= 0 && row < (int)m->commit_item_list.size()) {
	commit = &m->commit_item_list[row];
	}
	if (!commit) return;

	QMenu menu;
	QAction *a_property = mainwindow()->addMenuActionProperty(&menu);
	QAction *a = menu.exec(QCursor::pos() + QPoint(8, -8));
	if (a) {
	if (a == a_property) {
	mainwindow()->execCommitPropertyDialog(this, commit);
	return;
	}
	}
	}
	diff --git a/src/FileHistoryWindow.h b/src/FileHistoryWindow.h
	index 5983bdc..5364ac1 100644
	--- a/src/FileHistoryWindow.h
	+++ b/src/FileHistoryWindow.h
	@@ -1,49 +1,49 @@
	#ifndef FILEHISTORYWINDOW_H
	#define FILEHISTORYWINDOW_H

	#include <QDialog>
	#include "Git.h"
	#include "MainWindow.h"
	#include "FileDiffWidget.h"

	namespace Ui {
	class FileHistoryWindow;
	}

	class MainWindow;
	class QTableWidgetItem;

	class FileHistoryWindow : public QDialog
	{
	Q_OBJECT
	private:
	struct Private;
	Private *m;

	FileDiffWidget::DiffData *diffdata();
	FileDiffWidget::DiffData const *diffdata() const;
	FileDiffWidget::DrawData *drawdata();
	FileDiffWidget::DrawData const *drawdata() const;
	int totalTextLines() const;
	int fileviewScrollPos() const;
	public:
	explicit FileHistoryWindow(MainWindow *parent);
	~FileHistoryWindow();

	- void prepare(GitPtr g, const QString &path);
	+ void prepare(GitPtr g, QString const &path);
	private slots:
	void on_tableWidget_log_currentItemChanged(QTableWidgetItem current, QTableWidgetItem previous);

	void onMoveNextItem();
	void onMovePreviousItem();
	void on_tableWidget_log_customContextMenuRequested(const QPoint &pos);

	private:
	Ui::FileHistoryWindow *ui;

	void collectFileHistory();
	void updateDiffView();
	MainWindow *mainwindow();
	};

	#endif // FILEHISTORYWINDOW_H
	diff --git a/src/FilePropertyDialog.h b/src/FilePropertyDialog.h
	index bb6df47..fa836a4 100644
	--- a/src/FilePropertyDialog.h
	+++ b/src/FilePropertyDialog.h
	@@ -1,26 +1,26 @@
	#ifndef FILEPROPERTYDIALOG_H
	#define FILEPROPERTYDIALOG_H

	#include <QDialog>

	namespace Ui {
	class FilePropertyDialog;
	}

	class MainWindow;

	class FilePropertyDialog : public QDialog
	{
	Q_OBJECT
	private:
	MainWindow *mainwindow;
	public:
	explicit FilePropertyDialog(QWidget *parent = 0);
	~FilePropertyDialog();

	- void exec(MainWindow *mw, const QString &path, const QString &id);
	+ void exec(MainWindow *mw, QString const &path, QString const &id);
	private:
	Ui::FilePropertyDialog *ui;
	};

	#endif // FILEPROPERTYDIALOG_H
	diff --git a/src/FileViewWidget.cpp b/src/FileViewWidget.cpp
	index 375204d..7b22e71 100644
	--- a/src/FileViewWidget.cpp
	+++ b/src/FileViewWidget.cpp
	@@ -1,171 +1,171 @@
	#include "FileViewWidget.h"
	#include <QMenu>
	#include <QPainter>
	#include <QStackedWidget>
	#include <QVBoxLayout>

	#include "common/misc.h"

	FileViewWidget::FileViewWidget(QWidget *parent)
	: QWidget(parent)
	{
	setObjectName(QStringLiteral("FileViewWidget"));
	ui_verticalLayout = new QVBoxLayout(this);
	ui_verticalLayout->setSpacing(0);
	ui_verticalLayout->setObjectName(QStringLiteral("verticalLayout"));
	ui_verticalLayout->setContentsMargins(0, 0, 0, 0);
	ui_stackedWidget = new QStackedWidget(this);
	ui_stackedWidget->setObjectName(QStringLiteral("stackedWidget"));
	ui_page_none = new QWidget();
	ui_page_none->setObjectName(QStringLiteral("page_none"));
	ui_stackedWidget->addWidget(ui_page_none);
	ui_page_text = new X_TextEditorWidget();
	ui_page_text->setObjectName(QStringLiteral("page_text"));
	ui_page_text->setFocusPolicy(Qt::StrongFocus);
	ui_stackedWidget->addWidget(ui_page_text);
	ui_page_image = new X_ImageViewWidget();
	ui_page_image->setObjectName(QStringLiteral("page_image"));
	ui_page_image->setFocusPolicy(Qt::StrongFocus);
	ui_stackedWidget->addWidget(ui_page_image);
	ui_verticalLayout->addWidget(ui_stackedWidget);
	setWindowTitle(QApplication::translate("FileViewWidget", "Form", Q_NULLPTR));
	ui_stackedWidget->setCurrentIndex(1);
	QMetaObject::connectSlotsByName(this);

	ui_page_text->setRenderingMode(TextEditorWidget::DecoratedMode);
	ui_page_text->setTheme(TextEditorTheme::Light());
	ui_page_text->showHeader(false);
	ui_page_text->showFooter(false);
	ui_page_text->setAutoLayout(true);
	ui_page_text->setReadOnly(true);
	ui_page_text->setToggleSelectionAnchorEnabled(false);
	ui_page_text->setFocusFrameVisible(true);

	ui_stackedWidget->setCurrentWidget(ui_page_none);
	}



	void FileViewWidget::setTextCodec(QTextCodec *codec)
	{
	ui_page_text->setTextCodec(codec);
	}

	void FileViewWidget::bind(MainWindow mw, FileDiffWidget fdw, QScrollBar vsb, QScrollBar hsb, TextEditorThemePtr theme)
	{
	ui_page_text->bindScrollBar(vsb, hsb);
	ui_page_image->bind(mw, fdw, vsb, hsb);
	ui_page_text->setTheme(theme);
	}

	void FileViewWidget::setViewType(FileViewType type)
	{
	view_type = type;
	switch (view_type) {
	case FileViewType::Text:
	ui_stackedWidget->setCurrentWidget(ui_page_text);
	return;
	case FileViewType::Image:
	ui_stackedWidget->setCurrentWidget(ui_page_image);
	return;
	default:
	ui_stackedWidget->setCurrentWidget(ui_page_none);
	return;
	}
	}

	const TextEditorTheme *FileViewWidget::theme() const
	{
	return ui_page_text->theme();
	}

	int FileViewWidget::latin1Width() const
	{
	return ui_page_text->latin1Width();
	}

	int FileViewWidget::lineHeight() const
	{
	return ui_page_text->lineHeight();
	}

	void FileViewWidget::setDiffMode(TextEditorEnginePtr editor_engine, QScrollBar vsb, QScrollBar hsb)
	{
	ui_page_text->setTextEditorEngine(editor_engine);
	return ui_page_text->bindScrollBar(vsb, hsb);
	}

	void FileViewWidget::refrectScrollBar()
	{
	switch (view_type) {
	case FileViewType::Text:
	ui_page_text->refrectScrollBar();
	return;
	case FileViewType::Image:
	ui_page_image->refrectScrollBar();
	return;
	}
	}

	void FileViewWidget::move(int cur_row, int cur_col, int scr_row, int scr_col, bool auto_scroll)
	{
	return ui_page_text->move(cur_row, cur_col, scr_row, scr_col, auto_scroll);
	}

	-void FileViewWidget::setImage(QString mimetype, const QByteArray &ba, const QString &object_id, QString const &path)
	+void FileViewWidget::setImage(QString mimetype, QByteArray const &ba, QString const &object_id, QString const &path)
	{
	setViewType(FileViewType::Image);
	this->source_id = object_id;
	#ifdef APP_GUITAR
	ui_page_image->setImage(mimetype, ba, object_id, path);
	#else
	ui_page_image->setImage(mimetype, ba);
	#endif
	}

	-void FileViewWidget::setText(const QList<Document::Line> source, MainWindow mw, const QString &object_id, QString const &object_path)
	+void FileViewWidget::setText(const QList<Document::Line> source, MainWindow mw, QString const &object_id, QString const &object_path)
	{
	setViewType(FileViewType::Text);
	this->source_id = object_id;
	#ifdef APP_GUITAR
	ui_page_text->setDocument(source, mw, object_id, object_path);
	scrollToTop();
	texteditor()->moveCursorOut(); // 現在行を -1 にして、カーソルを非表示にする。
	#else
	ui_page_text->setDocument(source);
	scrollToTop();
	#endif
	}

	-void FileViewWidget::setText(QByteArray const &ba, MainWindow *mw, const QString &object_id, QString const &object_path)
	+void FileViewWidget::setText(QByteArray const &ba, MainWindow *mw, QString const &object_id, QString const &object_path)
	{
	std::vector<std::string> lines;
	char const *begin = ba.data();
	char const *end = begin + ba.size();
	misc::splitLines(begin, end, &lines, true);
	QList<Document::Line> source;
	source.reserve(lines.size());
	int num = 0;
	for (std::string const &line : lines) {
	Document::Line t(line);
	t.line_number = ++num;
	source.push_back(t);
	}
	setText(&source, mw, object_id, object_path);
	}

	void FileViewWidget::scrollToTop()
	{
	ui_page_text->scrollToTop();
	}

	void FileViewWidget::write(QKeyEvent *e)
	{
	ui_page_text->write(e);
	}

	TextEditorWidget *FileViewWidget::texteditor()
	{
	return ui_page_text;
	}

	diff --git a/src/Git.cpp b/src/Git.cpp
	index b657e4b..4476816 100644
	--- a/src/Git.cpp
	+++ b/src/Git.cpp
	@@ -1,1431 +1,1431 @@
	#include "Git.h"
	#include <QDateTime>
	#include <QDebug>
	#include <QDir>
	#include <QDirIterator>
	#include <QProcess>
	#include <QThread>
	#include <QTimer>
	#include <set>
	#include "common/joinpath.h"
	#include "common/misc.h"
	#include "GitObjectManager.h"

	#include "MyProcess.h"

	#define DEBUGLOG 0

	using callback_t = Git::callback_t;

	struct Git::Private {
	QString git_command;
	std::vector<char> result;
	QString error_message;
	int process_exit_code = 0;
	QString working_repo_dir;
	callback_t callback_func = nullptr;
	void *callback_cookie = nullptr;
	};

	Git::Git()
	: m(new Private)
	{
	}

	Git::Git(const Context &cx, QString const &repodir)
	: m(new Private)
	{
	setGitCommand(cx.git_command);
	setWorkingRepositoryDir(repodir);
	}

	Git::~Git()
	{
	delete m;
	}

	void Git::setLogCallback(callback_t func, void *cookie)
	{
	m->callback_func = func;
	m->callback_cookie = cookie;
	}

	void Git::setWorkingRepositoryDir(QString const &repo)
	{
	m->working_repo_dir = repo;
	}

	QString const &Git::workingRepositoryDir() const
	{
	return m->working_repo_dir;
	}

	-bool Git::isValidID(const QString &id)
	+bool Git::isValidID(QString const &id)
	{
	int zero = 0;
	int n = id.size();
	if (n > 2 && n <= GIT_ID_LENGTH) {
	ushort const *p = id.utf16();
	for (int i = 0; i < n; i++) {
	uchar c = p[i];
	if (c == '0') {
	zero++;
	} else if ((c >= '0' && c <= '9') \|\| (c >= 'a' && c <= 'f')) {
	// ok
	} else {
	return false;
	}
	}
	if (zero == GIT_ID_LENGTH) { // 全部 0 の時は false を返す
	return false;
	}
	return true; // ok
	}
	return false;
	}

	QByteArray Git::toQByteArray() const
	{
	if (m->result.empty()) return QByteArray();
	return QByteArray(&m->result[0], m->result.size());
	}

	QString Git::resultText() const
	{
	return QString::fromUtf8(toQByteArray());
	}
	void Git::setGitCommand(QString const &path)
	{
	m->git_command = path;
	}

	QString Git::gitCommand() const
	{
	Q_ASSERT(m);
	return m->git_command;
	}

	void Git::clearResult()
	{
	m->result.clear();
	m->process_exit_code = 0;
	m->error_message = QString();
	}

	QString Git::errorMessage() const
	{
	return m->error_message;
	}

	int Git::getProcessExitCode() const
	{
	return m->process_exit_code;
	}

	bool Git::chdirexec(std::function<bool()> const &fn)
	{
	bool ok = false;
	QDir cwd = QDir::current();
	QString dir = workingRepositoryDir();
	if (isValidWorkingCopy(dir) && QDir::setCurrent(dir)) {

	ok = fn();

	QDir::setCurrent(cwd.path());
	}
	return ok;
	}

	-bool Git::git(const QString &arg, bool chdir, bool errout, AbstractPtyProcess *pty)
	+bool Git::git(QString const &arg, bool chdir, bool errout, AbstractPtyProcess *pty)
	{
	QFileInfo info(gitCommand());
	if (!info.isExecutable()) {
	qDebug() << "Invalid git command: " << gitCommand();
	return false;
	}
	#if DEBUGLOG
	qDebug() << "exec: git " << arg;
	QTime timer;
	timer.start();
	#endif
	clearResult();

	auto DoIt = [&](){
	QString cmd = QString("\"%1\" --no-pager ").arg(gitCommand());
	cmd += arg;

	if (m->callback_func) {
	QByteArray ba;
	ba.append("> git ");
	ba.append(arg);
	ba.append('\n');
	m->callback_func(m->callback_cookie, ba.data(), (int)ba.size());
	}

	if (pty) {
	pty->start(cmd);
	m->process_exit_code = 0; // バックグラウンドで実行を継続するけど、とりあえず成功したことにしておく
	} else {
	Process proc;
	proc.start(cmd, false);
	m->process_exit_code = proc.wait();

	if (errout) {
	m->result = proc.errbytes;
	} else {
	m->result = proc.outbytes;
	}
	m->error_message = proc.errstring();
	}

	return m->process_exit_code == 0;
	};

	bool ok = false;

	if (chdir) {
	if (pty) {
	pty->setChangeDir(workingRepositoryDir());
	ok = DoIt();
	} else {
	ok = chdirexec(DoIt);
	}
	} else {
	ok = DoIt();
	}

	#if DEBUGLOG
	qDebug() << timer.elapsed() << "ms";
	#endif

	return ok;
	}

	GitPtr Git::dup() const
	{
	Git *p = new Git();
	p->m->git_command = m->git_command;
	p->m->working_repo_dir = m->working_repo_dir;
	p->m->callback_func = m->callback_func;
	p->m->callback_cookie = m->callback_cookie;
	return GitPtr(p);
	}

	bool Git::isValidWorkingCopy(QString const &dir)
	{
	return QFileInfo(dir).isDir() && QDir(dir / ".git").exists();
	}

	bool Git::isValidWorkingCopy() const
	{
	return isValidWorkingCopy(workingRepositoryDir());
	}

	QString Git::version()
	{
	git("--version", false);
	return resultText().trimmed();
	}

	bool Git::init()
	{
	bool ok = false;
	QDir cwd = QDir::current();
	QString dir = workingRepositoryDir();
	if (QDir::setCurrent(dir)) {
	QString gitdir = dir / ".git";
	if (!QFileInfo(gitdir).isDir()) {
	git("init", false);
	if (QFileInfo(gitdir).isDir()) {
	ok = true;
	}
	}
	QDir::setCurrent(cwd.path());
	}
	return ok;
	}

	QString Git::rev_parse(QString const &name)
	{
	QString cmd = "rev-parse %1";
	cmd = cmd.arg(name);
	if (git(cmd)) {
	return resultText().trimmed();
	}
	return QString();
	}

	QStringList Git::refs()
	{
	QStringList lines;
	{
	QString path = workingRepositoryDir() / ".git/packed-refs";
	QFile file(path);
	if (file.open(QFile::ReadOnly)) {
	while (!file.atEnd()) {
	QByteArray ba = file.readLine();
	QString line = QString::fromLatin1(ba).trimmed();
	if (line.indexOf(" refs/") > 0) {
	lines.push_back(line);
	}
	}
	}
	}
	{
	QString refspath = workingRepositoryDir() / ".git/refs/tags";
	QDirIterator it(refspath);
	while (it.hasNext()) {
	it.next();
	QString path = it.filePath();
	if (QFileInfo(path).isFile()) {
	QString name = it.fileName();
	QFile file(path);
	if (file.open(QFile::ReadOnly)) {
	QByteArray ba = file.readAll();
	QString id = QString::fromLatin1(ba).trimmed();
	if (Git::isValidID(id)) {
	QString line = id + " refs/tags/" + name;
	lines.push_back(line);
	}
	}
	}
	}
	}
	return lines;
	}

	QList<Git::Tag> Git::tags()
	{
	auto MidCmp = [](QString const &line, int i, char const *ptr){
	ushort const *p = line.utf16();
	for (int j = 0; ptr[j]; j++) {
	if (p[i + j] != ptr[j]) return false;
	}
	return true;
	};
	QList<Git::Tag> list;
	QStringList lines = refs();
	for (QString const &line : lines) {
	Tag tag;
	if (line.isEmpty()) continue;
	int i = line.indexOf(' ');
	if (i == GIT_ID_LENGTH) {
	tag.id = line.mid(0, i);
	if (MidCmp(line, i, " refs/tags/")) {
	tag.name = line.mid(i + 11).trimmed();
	if (tag.name.isEmpty()) continue;
	list.push_back(tag);
	}
	}
	}
	return list;
	}

	-bool Git::tag(const QString &name, const QString &id)
	+bool Git::tag(QString const &name, QString const &id)
	{
	QString cmd = "tag \"%1\" %2";
	cmd = cmd.arg(name).arg(id);
	return git(cmd);
	}

	-void Git::delete_tag(const QString &name, bool remote)
	+void Git::delete_tag(QString const &name, bool remote)
	{
	QString cmd = "tag --delete \"%1\"";
	cmd = cmd.arg(name);
	git(cmd);

	if (remote) {
	QString cmd = "push --delete origin \"%1\"";
	cmd = cmd.arg(name);
	git(cmd);
	}
	}

	QString Git::diff(QString const &old_id, QString const &new_id)
	{
	QString cmd = "diff --full-index -a %1 %2";
	cmd = cmd.arg(old_id).arg(new_id);
	git(cmd);
	return resultText();
	}

	QString Git::diff_file(QString const &old_path, QString const &new_path)
	{
	QString cmd = "diff --full-index -a -- %1 %2";
	cmd = cmd.arg(old_path).arg(new_path);
	git(cmd);
	return resultText();
	}

	QList<Git::DiffRaw> Git::diff_raw(QString const &old_id, QString const &new_id)
	{
	QList<DiffRaw> list;
	QString cmd = "diff --raw --abbrev=%1 %2 %3";
	cmd = cmd.arg(GIT_ID_LENGTH).arg(old_id).arg(new_id);
	git(cmd);
	QString text = resultText();
	QStringList lines = text.split('\n', QString::SkipEmptyParts);
	for (QString const &line : lines) { // raw format: e.g. ":100644 100644 08bc10d... 18f0501... M src/MainWindow.cpp"
	DiffRaw item;
	int colon = line.indexOf(':');
	int tab = line.indexOf('\t');
	if (colon >= 0 && colon < tab) {
	QStringList header = line.mid(colon + 1, tab - colon - 1).split(' ', QString::SkipEmptyParts); // コロンとタブの間の文字列を空白で分割
	if (header.size() >= 5) {
	QStringList files = line.mid(tab + 1).split('\t', QString::SkipEmptyParts); // タブより後ろはファイルパス
	if (!files.empty()) {
	for (QString &file : files) {
	file = Git::trimPath(file);
	}
	item.a.id = header[2];
	item.b.id = header[3];
	item.a.mode = header[0];
	item.b.mode = header[1];
	item.state = header[4];
	item.files = files;
	list.push_back(item);
	}
	}
	}
	}
	return list;
	}

	QString Git::diff_to_file(QString const &old_id, QString const &path)
	{
	#if 1
	QString cmd = "diff --full-index -a %1 -- \"%2\"";
	cmd = cmd.arg(old_id).arg(path);
	git(cmd);
	return resultText();
	#else
	return diff_(old_id, new_id);
	#endif
	}

	QString Git::getCurrentBranchName()
	{
	if (isValidWorkingCopy()) {
	git("rev-parse --abbrev-ref HEAD");
	QString s = resultText().trimmed();
	if (!s.isEmpty() && !s.startsWith("fatal:") && s.indexOf(' ') < 0) {
	return s;
	}
	}
	return QString();
	}

	QStringList Git::getUntrackedFiles()
	{
	QStringList files;
	Git::FileStatusList stats = status();
	for (FileStatus const &s : stats) {
	if (s.code() == FileStatusCode::Untracked) {
	files.push_back(s.path1());
	}
	}
	return files;
	}

	void Git::parseAheadBehind(QString const &s, Branch *b)
	{
	ushort const *begin = s.utf16();
	ushort const *end = begin + s.size();
	ushort const *ptr = begin;

	auto NCompare = [](ushort const a, char const b, size_t n){
	for (size_t i = 0; i < n; i++) {
	if (a < (unsigned char)b) return false;
	if (a > (unsigned char)b) return false;
	if (!*a) break;
	a++;
	b++;
	}
	return true;
	};

	auto SkipSpace = [&](){
	while (ptr < end && QChar(*ptr).isSpace()) {
	ptr++;
	}
	};

	auto GetNumber = [&](){
	int n = 0;
	while (ptr < end && QChar(*ptr).isDigit()) {
	n = n * 10 + (*ptr - '0');
	ptr++;
	}
	return n;
	};

	if (*ptr == '[') {
	ptr++;
	ushort const *e = nullptr;
	int n;
	for (n = 0; ptr + n < end; n++) {
	if (ptr[n] == ']') {
	e = ptr + n;
	break;
	}
	}
	if (e) {
	end = e;
	while (1) {
	if (NCompare(ptr, "ahead ", 6)) {
	ptr += 6;
	SkipSpace();
	b->ahead = GetNumber();
	} else if (NCompare(ptr, "behind ", 7)) {
	ptr += 7;
	SkipSpace();
	b->behind = GetNumber();
	} else {
	ushort c = 0;
	if (ptr < end) {
	c = *ptr;
	}
	if (c == 0) break;
	ptr++;
	}
	}
	}
	}
	}

	QList<Git::Branch> Git::branches()
	{
	QList<Branch> branches;
	git(QString("branch -vv -a --abbrev=%1").arg(GIT_ID_LENGTH));
	QString s = resultText();
	#if DEBUGLOG
	qDebug() << s;
	#endif

	QStringList lines = misc::splitLines(s);
	for (QString const &line : lines) {
	if (line.size() > 2) {
	QString name;
	QString text = line.mid(2);
	int pos = 0;
	if (text.startsWith('(')) {
	int i, paren = 1;
	for (i = 1; i < text.size(); i++) {
	if (text[i] == '(') {
	paren++;
	} else if (text[i] == ')') {
	if (paren > 0) {
	paren--;
	if (paren == 0) {
	pos = i;
	break;
	}
	}
	}
	}
	// pos = text.indexOf(')');
	if (pos > 1) {
	name = text.mid(1, pos - 1);
	pos++;
	}
	} else {
	while (pos < text.size() && !QChar::isSpace(text.utf16()[pos])) {
	pos++;
	}
	name = text.mid(0, pos);
	}
	if (!name.isEmpty()) {
	while (pos < text.size() && QChar::isSpace(text.utf16()[pos])) {
	pos++;
	}
	text = text.mid(pos);

	Branch b;

	if (name.startsWith("HEAD detached at ")) {
	b.flags \|= Branch::HeadDetachedAt;
	name = name.mid(17);
	}

	if (name.startsWith("HEAD detached from ")) {
	b.flags \|= Branch::HeadDetachedFrom;
	name = name.mid(19);
	}

	if (name.startsWith("remotes/")) {
	name = name.mid(8);
	int i = name.indexOf('/');
	if (i > 0) {
	b.remote = name.mid(0, i);
	name = name.mid(i + 1);
	}
	}

	b.name = name;

	if (text.startsWith("-> ")) {
	b.id = ">" + text.mid(3);
	} else {
	int i = text.indexOf(' ');
	if (i == GIT_ID_LENGTH) {
	b.id = text.mid(0, GIT_ID_LENGTH);
	}
	while (i < text.size() && QChar::isSpace(text.utf16()[i])) {
	i++;
	}
	text = text.mid(i);
	parseAheadBehind(text, &b);
	}

	if (line.startsWith('*')) {
	b.flags \|= Branch::Current;
	}

	branches.push_back(b);
	}
	}
	}
	for (int i = 0; i < branches.size(); i++) {
	Branch *b = &branches[i];
	if (b->id.startsWith('>')) {
	QString name = b->id.mid(1);
	for (int j = 0; j < branches.size(); j++) {
	if (j != i) {
	if (branches[j].name == name) {
	branches[i].id = branches[j].id;
	break;
	}
	}
	}
	}
	}
	return branches;
	}

	Git::CommitItemList Git::log_all(QString const &id, int maxcount)
	{
	CommitItemList items;
	QString text;

	QString cmd = "log --pretty=format:\"commit:%H#gpg:%G?#key:%GK#parent:%P#author:%an#mail:%ae#date:%ci##%s\" --all -%1 %2";
	cmd = cmd.arg(maxcount).arg(id);
	git(cmd);
	if (getProcessExitCode() == 0) {
	text = resultText().trimmed();
	QStringList lines = misc::splitLines(text);
	for (QString const &line : lines) {
	int i = line.indexOf("##");
	if (i > 0) {
	Git::CommitItem item;
	QString signed_key;
	item.message = line.mid(i + 2);
	QStringList atts = line.mid(0, i).split('#');
	for (QString const &s : atts) {
	int j = s.indexOf(':');
	if (j > 0) {
	QString key = s.mid(0, j);
	QString val = s.mid(j + 1);
	if (key == "commit") {
	item.commit_id = val;
	} else if (key == "gpg") {
	item.signature = *val.utf16();
	} else if (key == "key") {
	signed_key = val;
	} else if (key == "parent") {
	item.parent_ids = val.split(' ', QString::SkipEmptyParts);
	} else if (key == "author") {
	item.author = val;
	} else if (key == "mail") {
	item.email = val;
	} else if (key == "date") {
	item.commit_date = QDateTime::fromString(val, Qt::ISODate).toLocalTime();
	} else if (key == "debug") {
	}
	}
	}
	if (!signed_key.isEmpty()) {
	ushort const *begin = signed_key.utf16();
	int n = signed_key.size();
	for (int i = 0; i + 1 < n; i += 2) {
	ushort c = begin[i];
	ushort d = begin[i + 1];
	if (c < 0x80 && isxdigit(c) && isxdigit(d)) {
	char tmp[3];
	tmp[0] = c;
	tmp[1] = d;
	tmp[2] = 0;
	int v = strtol(tmp, nullptr, 16);
	item.fingerprint.push_back(v);
	} else {
	break;
	}
	}
	}
	items.push_back(item);
	}
	}
	}
	return items;
	}

	Git::CommitItemList Git::log(int maxcount)
	{
	return log_all(QString(), maxcount);
	}

	bool Git::queryCommit(QString const &id, CommitItem *out)
	{
	if (objectType(id) == "commit") {
	out->commit_id = id;
	QByteArray ba;
	if (cat_file(id, &ba)) {
	QStringList lines = misc::splitLines(ba, [](char const *p, size_t n){
	return QString::fromUtf8(p, (int)n);
	});
	while (!lines.empty() && lines[lines.size() - 1].isEmpty()) {
	lines.pop_back();
	}

	int i;
	for (i = 0; i < lines.size(); i++) {
	QString const &line = lines[i];
	if (line.isEmpty()) {
	i++;
	for (; i < lines.size(); i++) {
	QString const &line = lines[i];
	if (!out->message.isEmpty()) {
	out->message.append('\n');
	}
	out->message.append(line);
	}
	break;
	}
	if (line.startsWith("parent ")) {
	out->parent_ids.push_back(line.mid(7));
	} else if (line.startsWith("author ")) {
	QStringList arr = misc::splitWords(line);
	int n = arr.size();
	if (n > 4) {
	n -= 2;
	out->commit_date = QDateTime::fromTime_t(atol(arr[n].toStdString().c_str()));
	n--;
	out->email = arr[n];
	if (out->email.startsWith('<') && out->email.endsWith('>')) {
	int n = out->email.size();
	out->email = out->email.mid(1, n - 2);
	}
	for (int i = 1; i < n; i++) {
	if (!out->author.isEmpty()) {
	out->author += ' ';
	}
	out->author += arr[i];
	}
	}
	}
	}
	}
	return true;
	}
	return false;
	}

	Git::CloneData Git::preclone(QString const &url, QString const &path)
	{
	CloneData d;
	d.url = url;
	if (path.endsWith('/') \|\| path.endsWith('\\')) {
	auto GitBaseName = [](QString location){
	int i = location.lastIndexOf('/');
	int j = location.lastIndexOf('\\');
	if (i < j) i = j;
	i = i < 0 ? 0 : (i + 1);
	j = location.size();
	if (location.endsWith(".git")) {
	j -= 4;
	}
	if (i < j) {
	location = location.mid(i, j - i);
	}
	return location;
	};
	d.basedir = path;
	d.subdir = GitBaseName(url);
	} else {
	QFileInfo info(path);
	d.basedir = info.dir().path();
	d.subdir = info.fileName();
	}
	return d;
	}

	bool Git::clone(CloneData const &data, AbstractPtyProcess *pty)
	{
	QString clone_to = data.basedir / data.subdir;
	m->working_repo_dir = misc::normalizePathSeparator(clone_to);

	bool ok = false;
	QDir cwd = QDir::current();

	auto DoIt = [&](){
	QString cmd = "clone --progress \"%1\" \"%2\"";
	cmd = cmd.arg(data.url).arg(data.subdir);
	ok = git(cmd, false, true, pty);
	};

	if (pty) {
	pty->setChangeDir(data.basedir);
	DoIt();
	} else {
	if (QDir::setCurrent(data.basedir)) {
	DoIt();
	QDir::setCurrent(cwd.path());
	}
	}

	return ok;
	}

	-QString Git::encodeQuotedText(const QString &str)
	+QString Git::encodeQuotedText(QString const &str)
	{
	std::vector<ushort> vec;
	ushort const *begin = str.utf16();
	ushort const *end = begin + str.size();
	ushort const *ptr = begin;
	vec.push_back('\"');
	while (ptr < end) {
	ushort c = *ptr;
	ptr++;
	if (c == '\"') { // triple quotes
	vec.push_back(c);
	vec.push_back(c);
	vec.push_back(c);
	} else {
	vec.push_back(c);
	}
	}
	vec.push_back('\"');
	return QString::fromUtf16(&vec[0], vec.size());
	}

	bool Git::commit_(QString const &msg, bool amend, bool sign, AbstractPtyProcess *pty)
	{
	QString cmd = "commit";
	if (amend) {
	cmd += " --amend";
	}
	if (sign) {
	cmd += " -S";
	}

	QString text = msg.trimmed();
	if (text.isEmpty()) {
	text = "no message";
	}
	text = encodeQuotedText(text);
	cmd += QString(" -m %1").arg(text);

	return git(cmd, true, false, pty);
	}

	bool Git::commit(QString const &text, bool sign, AbstractPtyProcess *pty)
	{
	return commit_(text, false, sign, pty);
	}

	-bool Git::commit_amend_m(const QString &text, bool sign, AbstractPtyProcess *pty)
	+bool Git::commit_amend_m(QString const &text, bool sign, AbstractPtyProcess *pty)
	{
	return commit_(text, true, sign, pty);
	}

	-bool Git::revert(const QString &id)
	+bool Git::revert(QString const &id)
	{
	QString cmd = "revert %1";
	cmd = cmd.arg(id);
	return git(cmd);
	}

	void Git::push_u(QString const &remote, QString const &branch, AbstractPtyProcess *pty)
	{
	if (remote.indexOf('\"') >= 0 \|\| branch.indexOf('\"') >= 0) {
	return;
	}
	QString cmd = "push -u \"%1\" \"%2\"";
	git(cmd.arg(remote).arg(branch), true, false, pty);
	}

	bool Git::push_(bool tags, AbstractPtyProcess *pty)
	{
	QString cmd = "push";
	if (tags) {
	cmd += " --tags";
	}
	return git(cmd, true, false, pty);
	}

	bool Git::push(bool tags, AbstractPtyProcess *pty)
	{
	return push_(tags, pty);
	}


	Git::FileStatusList Git::status_()
	{
	FileStatusList files;
	if (git("status -s -u --porcelain")) {
	QString text = resultText();
	QStringList lines = misc::splitLines(text);
	for (QString const &line : lines) {
	if (line.size() > 3) {
	FileStatus s(line);
	if (s.code() != FileStatusCode::Unknown) {
	files.push_back(s);
	}
	}
	}
	}
	return files;
	}

	Git::FileStatusList Git::status()
	{
	return status_();
	}

	QString Git::objectType(QString const &id)
	{
	git("cat-file -t " + id);
	return resultText().trimmed();
	}

	QByteArray Git::cat_file_(QString const &id)
	{
	git("cat-file -p " + id);
	return toQByteArray();
	}

	bool Git::cat_file(QString const &id, QByteArray *out)
	{
	if (isValidID(id)) {
	*out = cat_file_(id);
	return true;
	}
	return false;
	}

	-void Git::resetFile(const QString &path)
	+void Git::resetFile(QString const &path)
	{
	git("checkout -- " + path);
	}

	void Git::resetAllFiles()
	{
	git("reset --hard HEAD");
	}

	-void Git::removeFile(const QString &path)
	+void Git::removeFile(QString const &path)
	{
	git("rm " + path);
	}

	void Git::stage(QString const &path)
	{
	git("add " + path);
	}

	void Git::stage(QStringList const &paths)
	{
	QString cmd = "add";
	for (QString const &path : paths) {
	cmd += ' ';
	cmd += '\"';
	cmd += path;
	cmd += '\"';
	}
	git(cmd);
	}

	void Git::unstage(QString const &path)
	{
	QString cmd = "reset HEAD \"%1\"";
	git(cmd.arg(path));
	}

	void Git::unstage(QStringList const &paths)
	{
	QString cmd = "reset HEAD";
	for (QString const &path : paths) {
	cmd += " \"";
	cmd += path;
	cmd += '\"';
	}
	git(cmd);
	}

	void Git::pull(AbstractPtyProcess *pty)
	{
	git("pull", true, false, pty);
	}

	void Git::fetch(AbstractPtyProcess *pty)
	{
	git("fetch", true, false, pty);
	}

	void Git::rebaseOnto(QString const &newbase, QString const &upstream, QString const &branch, AbstractPtyProcess *pty)
	{
	QString cmd = "rebase --onto \"%1\" \"%2\" \"%3\"";
	cmd = cmd.arg(newbase).arg(upstream).arg(branch);
	git(cmd, true, false, pty);
	}

	QStringList Git::make_branch_list_()
	{
	QStringList list;
	QStringList l = misc::splitLines(resultText());
	for (QString const &s : l) {
	if (s.startsWith("* ")) list.push_back(s.mid(2));
	if (s.startsWith(" ")) list.push_back(s.mid(2));
	}
	return list;
	}

	void Git::createBranch(QString const &name)
	{
	git("branch " + name);
	}

	void Git::checkoutBranch(QString const &name)
	{
	git("checkout " + name);
	}

	void Git::cherrypick(QString const &name)
	{
	git("cherry-pick " + name);
	}

	void Git::mergeBranch(QString const &name)
	{
	git("merge " + name);
	}

	void Git::rebaseBranch(QString const &name)
	{
	git("rebase " + name);
	}

	QStringList Git::getRemotes()
	{
	QStringList ret;
	git("remote");
	QStringList lines = misc::splitLines(resultText());
	for (QString const &line: lines) {
	if (!line.isEmpty()) {
	ret.push_back(line);
	}
	}
	return ret;
	}

	Git::User Git::getUser(Source purpose)
	{
	User user;
	bool global = purpose == Git::Source::Global;
	bool local = purpose == Git::Source::Local;
	QString arg1;
	if (global) arg1 = "--global";
	if (local) arg1 = "--local";
	bool chdir = !global;
	if (git(QString("config %1 user.name").arg(arg1), chdir)) {
	user.name = resultText().trimmed();
	}
	if (git(QString("config %1 user.email").arg(arg1), chdir)) {
	user.email = resultText().trimmed();
	}
	return user;
	}

	void Git::setUser(const User &user, bool global)
	{
	bool chdir = !global;
	git(QString("config %1 user.name %2").arg(global ? "--global" : "").arg(encodeQuotedText(user.name)), chdir);
	git(QString("config %1 user.email %2").arg(global ? "--global" : "").arg(encodeQuotedText(user.email)), chdir);
	}

	bool Git::reset_head1()
	{
	return git("reset HEAD~1");
	}

	bool Git::rm_cached(QString const &file)
	{
	QString cmd = "rm --cached \"%1\"";
	return git(cmd.arg(file));
	}

	void Git::getRemoteURLs(QList<Remote> *out)
	{
	out->clear();
	git("remote -v");
	QStringList lines = misc::splitLines(resultText());
	for (QString const &line : lines) {
	int i = line.indexOf('\t');
	int j = line.indexOf(" (");
	if (i > 0 && i < j) {
	Remote r;
	r.name = line.mid(0, i);
	r.url = line.mid(i + 1, j - i - 1);
	r.purpose = line.mid(j + 1);
	if (r.purpose.startsWith('(') && r.purpose.endsWith(')')) {
	r.purpose = r.purpose.mid(1, r.purpose.size() - 2);
	}
	out->push_back(r);
	}
	}
	}

	void Git::setRemoteURL(QString const &name, QString const &url)
	{
	QString cmd = "remote set-url %1 %2";
	cmd = cmd.arg(encodeQuotedText(name)).arg(encodeQuotedText(url));
	git(cmd);
	}

	void Git::addRemoteURL(QString const &name, QString const &url)
	{
	QString cmd = "remote add \"%1\" \"%2\"";
	cmd = cmd.arg(encodeQuotedText(name)).arg(encodeQuotedText(url));
	git(cmd);
	}

	void Git::removeRemote(QString const &name)
	{
	QString cmd = "remote remove %1";
	cmd = cmd.arg(encodeQuotedText(name));
	git(cmd);
	}

	bool Git::reflog(ReflogItemList *out, int maxcount)
	{
	out->clear();
	QString cmd = "reflog --no-abbrev --raw -n %1";
	cmd = cmd.arg(maxcount);
	if (!git(cmd)) return false;
	QByteArray ba = toQByteArray();
	if (!ba.isEmpty()) {
	ReflogItem item;
	char const *begin = ba.data();
	char const *end = begin + ba.size();
	char const *left = begin;
	char const *ptr = begin;
	while (1) {
	int c = 0;
	if (ptr < end) {
	c = *ptr;
	}
	if (c == '\r' \|\| c == '\n' \|\| c == 0) {
	int d = 0;
	QString line = QString::fromUtf8(left, ptr - left);
	if (left < ptr) {
	d = *left & 0xff;
	}
	if (d == ':') {
	// ex. ":100644 100644 bb603836fb597cca994309a1f0a52251d6b20314 d6b9798854debee375bb419f0f2ed9c8437f1932 M\tsrc/MainWindow.cpp"
	int tab = line.indexOf('\t');
	if (tab > 1) {
	QString tmp = line.mid(1, tab - 1);
	QString path = line.mid(tab + 1);
	QStringList cols = misc::splitWords(tmp);
	if (!path.isEmpty() && cols.size() == 5) {
	ReflogItem::File file;
	file.atts_a = cols[0];
	file.atts_b = cols[1];
	file.id_a = cols[2];
	file.id_b = cols[3];
	file.type = cols[4];
	file.path = path;
	item.files.push_back(file);
	}
	}
	} else {
	bool start = isxdigit(d);
	if (start \|\| c == 0) {
	if (!item.id.isEmpty()) {
	out->push_back(item);
	}
	}
	if (start) {
	// ex. "0a2a8b6b66f48bcbf985d8a2afcd14ff41676c16 HEAD@{188}: commit: comment text"
	item = ReflogItem();
	int i = line.indexOf(": ");
	if (i > 0) {
	int j = line.indexOf(": ", i + 2);
	if (j > 2) {
	item.head = line.mid(0, i);
	item.command = line.mid(i + 2, j - i - 2);
	item.comment= line.mid(j + 2);
	if (item.head.size() > GIT_ID_LENGTH) {
	item.id = item.head.mid(0, GIT_ID_LENGTH);
	item.head = item.head.mid(GIT_ID_LENGTH + 1);
	}
	}
	}
	}
	}
	if (c == 0) break;
	ptr++;
	left = ptr;
	} else {
	ptr++;
	}
	}
	}
	return true;
	}

	// Git::FileStatus

	QString Git::trimPath(QString const &s)
	{
	ushort const *begin = s.utf16();
	ushort const *end = begin + s.size();
	ushort const *left = begin;
	ushort const *right = end;
	while (left < right && QChar(*left).isSpace()) left++;
	while (left < right && QChar(right[-1]).isSpace()) right--;
	if (left + 1 < right && *left == '\"' && right[-1] == '\"') { // if quoted ?
	left++;
	right--;
	QByteArray ba;
	ushort const *ptr = left;
	while (ptr < right) {
	ushort c = *ptr;
	ptr++;
	if (c == '\\') {
	c = 0;
	while (ptr < right && QChar(*ptr).isDigit()) { // decode \oct
	c = c * 8 + (*ptr - '0');
	ptr++;
	}
	}
	ba.push_back(c);
	}
	return QString::fromUtf8(ba);
	}
	if (left == begin && right == end) return s;
	return QString::fromUtf16(left, right - left);
	}

	Git::FileStatusCode Git::FileStatus::parseFileStatusCode(char x, char y)
	{
	if (x == ' ' && (y == 'M' \|\| y == 'D')) return FileStatusCode::NotUpdated;
	if (x == 'M' && (y == 'M' \|\| y == 'D' \|\| y == ' ')) return FileStatusCode::UpdatedInIndex;
	if (x == 'A' && (y == 'M' \|\| y == 'D' \|\| y == ' ')) return FileStatusCode::AddedToIndex;
	if (x == 'D' && (y == 'M' \|\| y == ' ')) return FileStatusCode::DeletedFromIndex;
	if (x == 'R' && (y == 'M' \|\| y == 'D' \|\| y == ' ')) return FileStatusCode::RenamedInIndex;
	if (x == 'C' && (y == 'M' \|\| y == 'D' \|\| y == ' ')) return FileStatusCode::CopiedInIndex;
	if (x == 'C' && (y == 'M' \|\| y == 'D' \|\| y == ' ')) return FileStatusCode::CopiedInIndex;
	if (x == 'D' && y == 'D') return FileStatusCode::Unmerged_BothDeleted;
	if (x == 'A' && y == 'U') return FileStatusCode::Unmerged_AddedByUs;
	if (x == 'U' && y == 'D') return FileStatusCode::Unmerged_DeletedByThem;
	if (x == 'U' && y == 'A') return FileStatusCode::Unmerged_AddedByThem;
	if (x == 'D' && y == 'U') return FileStatusCode::Unmerged_DeletedByUs;
	if (x == 'A' && y == 'A') return FileStatusCode::Unmerged_BothAdded;
	if (x == 'U' && y == 'U') return FileStatusCode::Unmerged_BothModified;
	if (x == '?' && y == '?') return FileStatusCode::Untracked;
	if (x == '!' && y == '!') return FileStatusCode::Ignored;
	return FileStatusCode::Unknown;
	}

	-void Git::FileStatus::parse(const QString &text)
	+void Git::FileStatus::parse(QString const &text)
	{
	data = Data();
	if (text.size() > 3) {
	ushort const *p = text.utf16();
	if (p[2] == ' ') {
	data.code_x = p[0];
	data.code_y = p[1];

	int i = text.indexOf(" -> ", 3);
	if (i > 3) {
	data.rawpath1 = text.mid(3, i - 3);
	data.rawpath2 = text.mid(i + 4);
	data.path1 = trimPath(data.rawpath1);
	data.path2 = trimPath(data.rawpath2);
	} else {
	data.rawpath1 = text.mid(3);
	data.path1 = trimPath(data.rawpath1);
	data.path2 = QString();
	}

	data.code = parseFileStatusCode(data.code_x, data.code_y);
	}
	}
	}

	QByteArray Git::blame(QString const &path)
	{
	QString cmd = "blame --abbrev=40 \"%1\"";
	cmd = cmd.arg(path);
	if (git(cmd)) {
	return toQByteArray();
	}
	return QByteArray();
	}

	QList<Git::RemoteInfo> Git::ls_remote()
	{
	QList<RemoteInfo> list;
	QString cmd = "ls-remote";
	if (git(cmd)) {
	QStringList lines = misc::splitLines(resultText());
	for (QString const &line : lines) {
	QStringList words = misc::splitWords(line);
	if (words.size() == 2 && isValidID(words[0])) {
	RemoteInfo info;
	info.commit_id = words[0];
	info.name = words[1];
	list.push_back(info);
	}
	}
	}
	return list;
	}

	QString Git::signingKey(Source purpose)
	{
	QString arg1;
	if (purpose == Source::Global) arg1 = "--global";
	if (purpose == Source::Local) arg1 = "--local";
	QString cmd = "config %1 user.signingkey";
	cmd = cmd.arg(arg1);
	bool chdir = purpose != Source::Global;
	if (git(cmd, chdir)) {
	return resultText().trimmed();
	}
	return QString();
	}

	bool Git::setSigningKey(QString const &id, bool global)
	{
	for (auto i : id) {
	if (!QChar(i).isLetterOrNumber()) return false;
	}

	QString cmd = "config %1 %2 user.signingkey %3";
	cmd = cmd.arg(global ? "--global" : "--local").arg(id.isEmpty() ? "--unset" : "").arg(id);
	return git(cmd, !global);
	}

	Git::SignPolicy Git::signPolicy(Source source)
	{
	QString arg1;
	if (source == Source::Global) arg1 = "--global";
	if (source == Source::Local) arg1 = "--local";
	QString cmd = "config %1 commit.gpgsign";
	cmd = cmd.arg(arg1);
	bool chdir = source != Source::Global;
	if (git(cmd, chdir)) {
	QString t = resultText().trimmed();
	if (t == "false") return SignPolicy::False;
	if (t == "true") return SignPolicy::True;
	}
	return SignPolicy::Unset;
	}

	bool Git::setSignPolicy(Source source, SignPolicy policy)
	{
	QString arg1;
	if (source == Source::Global) arg1 = "--global";
	if (source == Source::Local) arg1 = "--local";
	QString cmd = "config %1 %2 commit.gpgsign %3";
	QString arg2;
	QString arg3;
	if (policy == SignPolicy::False) {
	arg3 = "false";
	} else if (policy == SignPolicy::True) {
	arg3 = "true";
	} else {
	arg2 = "--unset";
	}
	cmd = cmd.arg(arg1).arg(arg2).arg(arg3);
	bool chdir = source != Source::Global;
	return git(cmd, chdir);
	}

	bool Git::configGpgProgram(QString const &path, bool global)
	{
	QString cmd = "config ";
	if (global) {
	cmd += "--global ";
	}
	if (path.isEmpty()) {
	cmd += "--unset ";
	}
	cmd += "gpg.program ";
	if (!path.isEmpty()) {
	cmd += QString("\"%1\"").arg(path);
	}
	return git(cmd, false);
	}

	// Diff

	-void Git::Diff::makeForSingleFile(Git::Diff *diff, const QString &id_a, const QString &id_b, const QString &path, QString const &mode)
	+void Git::Diff::makeForSingleFile(Git::Diff *diff, QString const &id_a, QString const &id_b, QString const &path, QString const &mode)
	{
	diff->diff = QString("diff --git a/%1 b/%2").arg(path).arg(path);
	diff->index = QString("index %1..%2 %3").arg(id_a).arg(id_b).arg(0);
	diff->blob.a_id = id_a;
	diff->blob.b_id = id_b;
	diff->path = path;
	diff->mode = mode;
	diff->type = Git::Diff::Type::Create;
	}

	//

	void parseDiff(std::string const &s, Git::Diff const info, Git::Diff out)
	{
	std::vector<std::string> lines;
	{
	char const *begin = s.c_str();
	char const *end = begin + s.size();
	misc::splitLines(begin, end, &lines, false);
	}


	out->diff = QString("diff --git ") + ("a/" + info->path) + ' ' + ("b/" + info->path);
	out->index = QString("index ") + info->blob.a_id + ".." + info->blob.b_id + ' ' + info->mode;
	out->path = info->path;
	out->blob = info->blob;

	bool atat = false;
	for (std::string const &line : lines) {
	int c = line[0] & 0xff;
	if (c == '@') {
	if (strncmp(line.c_str(), "@@ ", 3) == 0) {
	out->hunks.push_back(Git::Hunk());
	out->hunks.back().at = line;
	atat = true;
	}
	} else {
	if (atat && c == '\\') { // e.g. \ No newline at end of file...
	// ignore this line
	} else {
	if (atat) {
	if (c == ' ' \|\| c == '-' \|\| c == '+') {
	// nop
	} else {
	atat = false;
	}
	}
	if (atat) {
	if (!out->hunks.isEmpty()) {
	out->hunks.back().lines.push_back(line);
	}
	}
	}
	}
	}
	}

	diff --git a/src/Git.h b/src/Git.h
	index 2b2d000..df8d557 100644
	--- a/src/Git.h
	+++ b/src/Git.h
	@@ -1,485 +1,485 @@
	#ifndef GIT_H
	#define GIT_H

	#include "AbstractProcess.h"

	#include <QDateTime>
	#include <QObject>
	#include <functional>

	#include <QDebug>
	#include <QMutex>
	#include <memory>

	#define SINGLE_THREAD 0

	#define GIT_ID_LENGTH (40)

	class Win32PtyProcess;

	enum class LineSide {
	Left,
	Right,
	};

	struct TreeLine {
	int index;
	int depth;
	int color_number = 0;
	bool bend_early = false;
	TreeLine(int index = -1, int depth = -1)
	: index(index)
	, depth(depth)
	{
	}
	};

	struct NamedCommitItem {
	enum class Type {
	None,
	Branch,
	Tag,
	};
	Type type = Type::None;
	QString remote;
	QString name;
	QString id;
	};
	typedef QList<NamedCommitItem> NamedCommitList;


	class Git;
	typedef std::shared_ptr<Git> GitPtr;

	class Git : QObject {
	public:
	class Context {
	public:
	QString git_command;
	};

	struct Object {
	enum class Type {
	UNKNOWN = 0,
	COMMIT = 1,
	TREE = 2,
	BLOB = 3,
	TAG = 4,
	UNDEFINED = 5,
	OFS_DELTA = 6,
	REF_DELTA = 7,
	};
	Type type = Type::UNKNOWN;
	QByteArray content;
	};

	class Hunk {
	public:
	std::string at;
	std::vector<std::string> lines;
	};
	class Diff {
	public:
	enum class Type {
	Unknown,
	Modify,
	Copy,
	Rename,
	Create,
	Delete,
	ChType,
	Unmerged,
	};
	Type type = Type::Unknown;
	QString diff;
	QString index;
	QString path;
	QString mode;
	struct BLOB_AB_ {
	QString a_id;
	QString b_id;
	} blob;
	QList<Hunk> hunks;
	Diff()
	{
	}
	- Diff(const QString &id, const QString &path, const QString &mode)
	+ Diff(QString const &id, QString const &path, QString const &mode)
	{
	makeForSingleFile(this, QString(GIT_ID_LENGTH, '0'), id, path, mode);

	}
	private:
	- void makeForSingleFile(Git::Diff *diff, const QString &id_a, const QString &id_b, const QString &path, const QString &mode);
	+ void makeForSingleFile(Git::Diff *diff, QString const &id_a, QString const &id_b, QString const &path, QString const &mode);
	};

	enum class SignatureGrade {
	NoSignature,
	Unknown,
	Good,
	Dubious,
	Missing,
	Bad,
	};

	static SignatureGrade evaluateSignature(char s)
	{
	switch (s) {
	case 'G':
	return SignatureGrade::Good;
	case 'U':
	case 'X':
	case 'Y':
	return SignatureGrade::Dubious;
	case 'B':
	case 'R':
	return SignatureGrade::Bad;
	case 'E':
	return SignatureGrade::Missing;
	case 'N':
	case ' ':
	case 0:
	return SignatureGrade::NoSignature;
	}
	return SignatureGrade::Unknown;
	}

	struct CommitItem {
	QString commit_id;
	QStringList parent_ids;
	QString author;
	QString email;
	QString message;
	QDateTime commit_date;
	std::vector<TreeLine> parent_lines;
	QByteArray fingerprint;
	char signature = 0; // git log format:%G?
	bool has_child = false;
	int marker_depth = -1;
	bool resolved = false;

	};
	typedef std::vector<CommitItem> CommitItemList;

	static bool isUncommited(CommitItem const &item)
	{
	return item.commit_id.isEmpty();
	}

	struct Branch {
	QString name;
	QString id;
	QString remote;
	int ahead = 0;
	int behind = 0;
	enum {
	None,
	Current = 0x0001,
	HeadDetachedAt = 0x0002,
	HeadDetachedFrom = 0x0004,
	};
	int flags = 0;
	operator bool () const
	{
	if (name.isEmpty()) return false;
	if (id.isEmpty()) return false;
	return true;
	}
	bool isCurrent() const
	{
	return flags & Current;
	}
	bool isHeadDetached() const
	{
	return flags & HeadDetachedAt;
	}
	};

	struct Tag {
	QString name;
	QString id;
	};

	enum class FileStatusCode : unsigned int {
	Unknown,
	Ignored,
	Untracked,
	NotUpdated = 0x10000000,
	Staged_ = 0x20000000,
	UpdatedInIndex,
	AddedToIndex,
	DeletedFromIndex,
	RenamedInIndex,
	CopiedInIndex,
	Unmerged_ = 0x40000000,
	Unmerged_BothDeleted,
	Unmerged_AddedByUs,
	Unmerged_DeletedByThem,
	Unmerged_AddedByThem,
	Unmerged_DeletedByUs,
	Unmerged_BothAdded,
	Unmerged_BothModified,
	Tracked_ = 0xf0000000
	};

	class FileStatus {
	public:
	struct Data {
	char code_x = 0;
	char code_y = 0;
	FileStatusCode code = FileStatusCode::Unknown;
	QString rawpath1;
	QString rawpath2;
	QString path1;
	QString path2;
	} data;

	static FileStatusCode parseFileStatusCode(char x, char y);

	bool isStaged() const
	{
	return (int)data.code & (int)FileStatusCode::Staged_;
	}

	bool isUnmerged() const
	{
	return (int)data.code & (int)FileStatusCode::Unmerged_;
	}

	bool isTracked() const
	{
	return (int)data.code & (int)FileStatusCode::Tracked_;
	}

	void parse(QString const &text);

	FileStatus()
	{
	}

	FileStatus(QString const &text)
	{
	parse(text);
	}

	FileStatusCode code() const
	{
	return data.code;
	}

	int code_x() const
	{
	return data.code_x;
	}

	int code_y() const
	{
	return data.code_y;
	}

	bool isDeleted() const
	{
	return code_x() == 'D' \|\| code_y() == 'D';
	}

	QString path1() const
	{
	return data.path1;
	}

	QString path2() const
	{
	return data.path2;
	}

	QString rawpath1() const
	{
	return data.rawpath1;
	}

	QString rawpath2() const
	{
	return data.rawpath2;
	}
	};
	typedef std::vector<FileStatus> FileStatusList;

	- static QString trimPath(const QString &s);
	+ static QString trimPath(QString const &s);

	private:
	struct Private;
	Private *m;
	QStringList make_branch_list_();
	- QByteArray cat_file_(const QString &id);
	+ QByteArray cat_file_(QString const &id);
	FileStatusList status_();
	- bool commit_(const QString &msg, bool amend, bool sign, AbstractPtyProcess *pty);
	+ bool commit_(QString const &msg, bool amend, bool sign, AbstractPtyProcess *pty);
	bool push_(bool tags, AbstractPtyProcess *pty);
	- static void parseAheadBehind(const QString &s, Branch *b);
	+ static void parseAheadBehind(QString const &s, Branch *b);
	Git();
	- QString encodeQuotedText(const QString &str);
	+ QString encodeQuotedText(QString const &str);
	QStringList refs();
	public:
	- Git(Context const &cx, const QString &repodir);
	+ Git(Context const &cx, QString const &repodir);
	Git(Git &&r) = delete;
	virtual ~Git();

	typedef bool (callback_t)(void cookie, char const *ptr, int len);

	void setLogCallback(callback_t func, void *cookie);

	QByteArray toQByteArray() const;
	- void setGitCommand(const QString &path);
	+ void setGitCommand(QString const &path);
	QString gitCommand() const;
	void clearResult();
	QString resultText() const;
	bool chdirexec(std::function<bool ()> const &fn);
	bool git(QString const &arg, bool chdir, bool errout = false, AbstractPtyProcess *pty = nullptr);
	bool git(QString const &arg)
	{
	return git(arg, true);
	}

	- void setWorkingRepositoryDir(const QString &repo);
	- const QString &workingRepositoryDir() const;
	+ void setWorkingRepositoryDir(QString const &repo);
	+ QString const &workingRepositoryDir() const;

	QString getCurrentBranchName();
	bool isValidWorkingCopy() const;
	QString version();
	bool init();
	QStringList getUntrackedFiles();
	- CommitItemList log_all(const QString &id, int maxcount);
	+ CommitItemList log_all(QString const &id, int maxcount);
	CommitItemList log(int maxcount);
	- bool queryCommit(const QString &id, CommitItem *out);
	+ bool queryCommit(QString const &id, CommitItem *out);

	struct CloneData {
	QString url;
	QString basedir;
	QString subdir;
	};
	static CloneData preclone(QString const &url, QString const &path);
	bool clone(CloneData const &data, AbstractPtyProcess *pty);

	FileStatusList status();
	- bool cat_file(const QString &id, QByteArray *out);
	- void resetFile(const QString &path);
	+ bool cat_file(QString const &id, QByteArray *out);
	+ void resetFile(QString const &path);
	void resetAllFiles();

	- void removeFile(const QString &path);
	+ void removeFile(QString const &path);

	- void stage(const QString &path);
	- void stage(const QStringList &paths);
	- void unstage(const QString &path);
	- void unstage(const QStringList &paths);
	+ void stage(QString const &path);
	+ void stage(QStringList const &paths);
	+ void unstage(QString const &path);
	+ void unstage(QStringList const &paths);
	void pull(AbstractPtyProcess *pty = 0);

	void fetch(AbstractPtyProcess *pty = 0);

	QList<Branch> branches();

	int getProcessExitCode() const;

	QString diff(QString const &old_id, QString const &new_id);
	- QString diff_file(const QString &old_path, const QString &new_path);
	+ QString diff_file(QString const &old_path, QString const &new_path);

	struct DiffRaw {
	struct AB {
	QString id;
	QString mode;
	} a, b;
	QString state;
	QStringList files;
	};

	struct Remote {
	QString name;
	QString url;
	QString purpose;
	};

	- QList<DiffRaw> diff_raw(const QString &old_id, const QString &new_id);
	+ QList<DiffRaw> diff_raw(QString const &old_id, QString const &new_id);

	static bool isValidID(QString const &s);

	- bool commit(const QString &text, bool sign, AbstractPtyProcess *pty);
	- bool commit_amend_m(const QString &text, bool sign, AbstractPtyProcess *pty);
	- bool revert(const QString &id);
	+ bool commit(QString const &text, bool sign, AbstractPtyProcess *pty);
	+ bool commit_amend_m(QString const &text, bool sign, AbstractPtyProcess *pty);
	+ bool revert(QString const &id);
	bool push(bool tags, AbstractPtyProcess *pty = 0);
	void getRemoteURLs(QList<Remote> *out);
	- void createBranch(const QString &name);
	- void checkoutBranch(const QString &name);
	- void mergeBranch(const QString &name);
	- void rebaseBranch(const QString &name);
	- static bool isValidWorkingCopy(const QString &dir);
	- QString diff_to_file(const QString &old_id, const QString &path);
	+ void createBranch(QString const &name);
	+ void checkoutBranch(QString const &name);
	+ void mergeBranch(QString const &name);
	+ void rebaseBranch(QString const &name);
	+ static bool isValidWorkingCopy(QString const &dir);
	+ QString diff_to_file(QString const &old_id, QString const &path);
	QString errorMessage() const;

	GitPtr dup() const;
	- QString rev_parse(const QString &name);
	+ QString rev_parse(QString const &name);
	QList<Tag> tags();
	- bool tag(const QString &name, QString const &id = QString());
	- void delete_tag(const QString &name, bool remote);
	- void setRemoteURL(const QString &name, const QString &url);
	+ bool tag(QString const &name, QString const &id = QString());
	+ void delete_tag(QString const &name, bool remote);
	+ void setRemoteURL(QString const &name, QString const &url);
	void addRemoteURL(QString const &name, QString const &url);
	void removeRemote(QString const &name);
	QStringList getRemotes();

	struct User {
	QString name;
	QString email;
	};
	enum class Source {
	Default,
	Global,
	Local,
	};

	User getUser(Source purpose);
	void setUser(User const&user, bool global);

	bool reset_head1();
	- void push_u(const QString &remote, const QString &branch, AbstractPtyProcess *pty);
	- QString objectType(const QString &id);
	- bool rm_cached(const QString &file);
	- void cherrypick(const QString &name);
	+ void push_u(QString const &remote, QString const &branch, AbstractPtyProcess *pty);
	+ QString objectType(QString const &id);
	+ bool rm_cached(QString const &file);
	+ void cherrypick(QString const &name);

	struct ReflogItem {
	QString id;
	QString head;
	QString command;
	QString comment;
	struct File {
	QString atts_a;
	QString atts_b;
	QString id_a;
	QString id_b;
	QString type;
	QString path;
	};
	QList<File> files;
	};
	typedef QList<ReflogItem> ReflogItemList;

	bool reflog(ReflogItemList *out, int maxcount = 100);
	- QByteArray blame(const QString &path);
	+ QByteArray blame(QString const &path);

	enum SignPolicy {
	Unset,
	False,
	True,
	};
	QString signingKey(Source purpose);
	- bool setSigningKey(const QString &id, bool global);
	+ bool setSigningKey(QString const &id, bool global);
	SignPolicy signPolicy(Source source);
	bool setSignPolicy(Source source, SignPolicy policy);
	- bool configGpgProgram(const QString &path, bool global);
	- void rebaseOnto(const QString &newbase, const QString &upstream, const QString &branch, AbstractPtyProcess *pty);
	+ bool configGpgProgram(QString const &path, bool global);
	+ void rebaseOnto(QString const &newbase, QString const &upstream, QString const &branch, AbstractPtyProcess *pty);

	struct RemoteInfo {
	QString commit_id;
	QString name;
	};
	QList<RemoteInfo> ls_remote();
	};

	void parseDiff(std::string const &s, Git::Diff const info, Git::Diff out);

	#endif // GIT_H
	diff --git a/src/GitDiff.cpp b/src/GitDiff.cpp
	index 4101b9c..cba9521 100644
	--- a/src/GitDiff.cpp
	+++ b/src/GitDiff.cpp
	@@ -1,458 +1,458 @@
	#include "GitDiff.h"

	#include <QDebug>
	#include <QThread>
	#include "MainWindow.h"

	bool parse_tree_(GitObjectCache objcache, QString const &commit_id, QString const &path_prefix, GitTreeItemList out)
	{
	out->clear();
	if (!commit_id.isEmpty()) {
	Git::Object obj = objcache->catFile(commit_id);
	if (!obj.content.isEmpty()) { // 内容を取得
	QString s = QString::fromUtf8(obj.content);
	QStringList lines = misc::splitLines(s);
	for (QString const &line : lines) {
	int tab = line.indexOf('\t'); // タブより後ろにパスがある
	if (tab > 0) {
	QString stat = line.mid(0, tab); // タブの手前まで
	QStringList vals = misc::splitWords(stat); // 空白で分割
	if (vals.size() >= 3) {
	GitTreeItem data;
	data.mode = vals[0]; // ファイルモード
	data.id = vals[2]; // id（ハッシュ値）
	QString type = vals[1]; // 種類（tree/blob）
	QString path = line.mid(tab + 1); // パス
	path = Git::trimPath(path);
	data.name = path_prefix.isEmpty() ? path : misc::joinWithSlash(path_prefix, path);
	if (type == "tree") {
	data.type = GitTreeItem::TREE;
	out->push_back(data);
	} else if (type == "blob") {
	data.type = GitTreeItem::BLOB;
	out->push_back(data);
	}
	}
	}
	}
	return true;
	}
	}
	return false;
	}

	// PathToIdMap

	class GitDiff::LookupTable {
	private:
	public:
	std::map<QString, QString> path_to_id_map;
	std::map<QString, QString> id_to_path_map;
	public:

	typedef std::map<QString, QString>::const_iterator const_iterator;

	void store(QString const &path, QString const &id)
	{
	path_to_id_map[path] = id;
	id_to_path_map[id] = path;
	}

	void store(GitTreeItemList const &files)
	{
	for (GitTreeItem const &cd : files) {
	store(cd.name, cd.id);
	}
	}

	const_iterator find_path(QString const &path) const
	{
	return path_to_id_map.find(path);
	}

	const_iterator end_path() const
	{
	return path_to_id_map.end();
	}
	};

	// GitDiff

	GitPtr GitDiff::git()
	{
	return objcache->git()->dup();
	}

	-QString GitDiff::makeKey(const QString &a_id, const QString &b_id)
	+QString GitDiff::makeKey(QString const &a_id, QString const &b_id)
	{
	return a_id + ".." + b_id;
	}

	QString GitDiff::makeKey(Git::Diff const &diff)
	{
	return makeKey(diff.blob.a_id, diff.blob.b_id);
	}

	QString GitDiff::prependPathPrefix(QString const &path)
	{
	return PATH_PREFIX + path;
	}

	QString GitDiff::diffObjects(GitPtr g, QString const &a_id, QString const &b_id)
	{
	QString path_prefix = PATH_PREFIX;
	if (b_id.startsWith(path_prefix)) {
	QString path = b_id.mid(path_prefix.size());
	return g->diff_to_file(a_id, path);
	} else {
	return g->diff(a_id, b_id);
	}
	}

	QString GitDiff::diffFiles(GitPtr g, QString const &a_path, QString const &b_path)
	{
	return g->diff_file(a_path, b_path);
	}

	void GitDiff::parseDiff(std::string const &s, Git::Diff const info, Git::Diff out)
	{
	std::vector<std::string> lines;
	{
	char const *begin = s.c_str();
	char const *end = begin + s.size();
	misc::splitLines(begin, end, &lines, false);
	}

	out->diff = QString("diff --git ") + ("a/" + info->path) + ' ' + ("b/" + info->path);
	out->index = QString("index ") + info->blob.a_id + ".." + info->blob.b_id + ' ' + info->mode;
	out->path = info->path;
	out->blob = info->blob;

	bool atat = false;
	for (std::string const &line : lines) {
	int c = line[0] & 0xff;
	if (c == '@') {
	if (strncmp(line.c_str(), "@@ ", 3) == 0) {
	out->hunks.push_back(Git::Hunk());
	out->hunks.back().at = line;
	atat = true;
	}
	} else {
	if (atat && c == '\\') { // e.g. \ No newline at end of file...
	// ignore this line
	} else {
	if (atat) {
	if (c == ' ' \|\| c == '-' \|\| c == '+') {
	// nop
	} else {
	atat = false;
	}
	}
	if (atat) {
	if (!out->hunks.isEmpty()) {
	out->hunks.back().lines.push_back(line);
	}
	}
	}
	}
	}
	}

	void GitDiff::retrieveCompleteTree(QString const &dir, GitTreeItemList const files, std::map<QString, GitTreeItem> out)
	{
	for (GitTreeItem const &d : *files) {
	QString path = misc::joinWithSlash(dir, d.name);
	if (d.type == GitTreeItem::BLOB) {
	(*out)[path] = d;
	} else if (d.type == GitTreeItem::TREE) {
	GitTreeItemList files2;
	parse_tree_(objcache, d.id, QString(), &files2);
	retrieveCompleteTree(path, &files2, out);
	}
	}
	}

	void GitDiff::retrieveCompleteTree(QString const &dir, GitTreeItemList const *files)
	{
	for (GitTreeItem const &d : *files) {
	QString path = misc::joinWithSlash(dir, d.name);
	if (d.type == GitTreeItem::BLOB) {
	Git::Diff diff(d.id, path, d.mode);
	diffs.push_back(diff);
	} else if (d.type == GitTreeItem::TREE) {
	GitTreeItemList files2;
	parse_tree_(objcache, d.id, QString(), &files2);
	retrieveCompleteTree(path, &files2);
	}
	}
	}

	bool GitDiff::diff(QString id, QList<Git::Diff> *out)
	{
	out->clear();
	diffs.clear();

	try {
	if (Git::isValidID(id)) { // 有効なID

	{ // diff_raw
	GitTreeItemList files;
	GitCommit newer_commit;
	newer_commit.parseCommit(objcache, id);
	parse_tree_(objcache, newer_commit.tree_id, QString(), &files);

	if (newer_commit.parents.isEmpty()) { // 親がないなら最古のコミット
	retrieveCompleteTree(QString(), &files); // ツリー全体を取得
	} else {
	std::map<QString, Git::Diff> diffmap;

	std::set<QString> deleted_set;
	std::set<QString> renamed_set;

	QList<Git::DiffRaw> list;
	for (QString const &parent : newer_commit.parents) {
	QList<Git::DiffRaw> l = git()->diff_raw(parent, id);
	for (Git::DiffRaw const &item : l) {
	if (item.state.startsWith('D')) {
	deleted_set.insert(item.a.id);
	}
	list.push_back(item);
	}
	}
	for (Git::DiffRaw const &item : list) {
	if (item.state.startsWith('A') \|\| item.state.startsWith('C')) { // 追加されたファイル
	auto it = deleted_set.find(item.b.id); // 同じオブジェクトIDが削除リストに載っているなら
	if (it != deleted_set.end()) {
	renamed_set.insert(item.b.id); // 名前変更とみなす
	}
	} else if (item.state.startsWith('R')) { // 名前変更されたファイル
	renamed_set.insert(item.b.id);
	}
	}
	for (Git::DiffRaw const &item : list) {
	QString file;
	if (!item.files.isEmpty()) {
	file = item.files.back(); // 名前変更された場合はリストの最後が新しい名前
	}
	Git::Diff diff;
	diff.diff = QString("diff --git a/%1 b/%2").arg(file).arg(file);
	diff.index = QString("index %1..%2 %3").arg(item.a.id).arg(item.b.id).arg(item.b.mode);
	diff.path = file;
	diff.mode = item.b.mode;
	if (Git::isValidID(item.a.id)) diff.blob.a_id = item.a.id;
	if (Git::isValidID(item.b.id)) diff.blob.b_id = item.b.id;

	#if 0
	if (!diff.blob.a_id.isEmpty()) {
	if (!diff.blob.b_id.isEmpty()) {
	if (renamed_set.find(diff.blob.b_id) != renamed_set.end()) {
	diff.type = Git::Diff::Type::Rename;
	} else {
	diff.type = Git::Diff::Type::Modify;
	}
	} else {
	if (renamed_set.find(diff.blob.a_id) != renamed_set.end()) { // 名前変更されたオブジェクトなら
	diff.type = Git::Diff::Type::Unknown; // マップに追加しない
	} else {
	diff.type = Git::Diff::Type::Delete; // 削除されたオブジェクト
	}
	}
	} else if (!diff.blob.b_id.isEmpty()) {
	if (renamed_set.find(diff.blob.b_id) != renamed_set.end()) {
	diff.type = Git::Diff::Type::Rename;
	} else {
	diff.type = Git::Diff::Type::Create;
	}
	}
	#else
	diff.type = Git::Diff::Type::Unknown;
	int state = item.state.utf16()[0];
	switch (state) {
	case 'A': diff.type = Git::Diff::Type::Create; break;
	case 'C': diff.type = Git::Diff::Type::Copy; break;
	case 'D': diff.type = Git::Diff::Type::Delete; break;
	case 'M': diff.type = Git::Diff::Type::Modify; break;
	case 'R': diff.type = Git::Diff::Type::Rename; break;
	case 'T': diff.type = Git::Diff::Type::ChType; break;
	case 'U': diff.type = Git::Diff::Type::Unmerged; break;
	}

	#endif

	if (diff.type != Git::Diff::Type::Unknown) {
	if (diffmap.find(diff.path) == diffmap.end()) {
	diffmap[diff.path] = diff;
	}
	}
	}

	for (auto const &pair : diffmap) {
	diffs.push_back(pair.second);

	}
	}
	}
	} else { // 無効なIDなら、HEADと作業コピーのdiff

	GitPtr g = objcache->git();
	QString head_id = objcache->revParse("HEAD");
	Git::FileStatusList stats = g->status(); // git status

	GitCommitTree head_tree(objcache);
	head_tree.parseCommit(head_id); // HEADが親

	QString zeros(GIT_ID_LENGTH, '0');

	for (Git::FileStatus const &fs : stats) {
	QString path = fs.path1();
	Git::Diff item;

	GitTreeItem treeitem;
	if (head_tree.lookup(path, &treeitem)) {
	item.blob.a_id = treeitem.id; // HEADにおけるこのファイルのID
	if (fs.isDeleted()) { // 削除されてる
	item.blob.b_id = zeros; // 削除された
	} else {
	item.blob.b_id = prependPathPrefix(path); // IDの代わりに実在するファイルパスを入れる
	}
	item.mode = treeitem.mode;
	} else {
	item.blob.a_id = zeros;
	item.blob.b_id = prependPathPrefix(path); // 実在するファイルパス
	}

	item.diff = QString("diff --git a/%1 b/%2").arg(path).arg(path);
	item.index = QString("index %1..%2 %3").arg(item.blob.a_id).arg(zeros).arg(item.mode);
	item.path = path;

	diffs.push_back(item);
	}

	}

	std::sort(diffs.begin(), diffs.end(), [](Git::Diff const &left, Git::Diff const &right){
	return left.path.compare(right.path, Qt::CaseInsensitive) < 0;
	});

	*out = std::move(diffs);
	return true;
	} catch (Interrupted &) {
	out->clear();
	}
	return false;
	}

	bool GitDiff::diff_uncommited(QList<Git::Diff> *out)
	{
	return diff(QString(), out);
	}

	// GitCommitTree

	GitCommitTree::GitCommitTree(GitObjectCache *objcache)
	: objcache(objcache)
	{
	}

	GitPtr GitCommitTree::git()
	{
	return objcache->git();
	}

	-QString GitCommitTree::lookup_(const QString &file, GitTreeItem *out)
	+QString GitCommitTree::lookup_(QString const &file, GitTreeItem *out)
	{
	int i = file.lastIndexOf('/');
	if (i >= 0) {
	QString subdir = file.mid(0, i);
	QString name = file.mid(i + 1);
	QString tree_id;
	{
	auto it = tree_id_map.find(subdir);
	if (it != tree_id_map.end()) {
	tree_id = it->second;
	} else {
	tree_id = lookup_(subdir, out);
	}
	}
	GitTreeItemList list;
	if (parse_tree_(objcache, tree_id, QString(), &list)) {
	QString return_id;
	for (GitTreeItem const &d : list) {
	if (d.name == name) {
	return_id = d.id;
	}
	QString path = misc::joinWithSlash(subdir, d.name);
	if (d.type == GitTreeItem::BLOB) {
	if (out && d.name == name) {
	*out = d;
	}
	blob_map[path] = d;
	} else if (d.type == GitTreeItem::TREE) {
	tree_id_map[path] = d.id;
	}
	}
	return return_id;
	}
	} else {
	QString return_id;
	for (GitTreeItem const &d : root_item_list) {
	if (d.name == file) {
	return_id = d.id;
	}
	if (d.type == GitTreeItem::BLOB) {
	if (out && d.name == file) {
	*out = d;
	}
	blob_map[d.name] = d;
	} else if (d.type == GitTreeItem::TREE) {
	tree_id_map[d.name] = d.id;
	}
	}
	return return_id;
	}
	return QString();
	}

	-QString GitCommitTree::lookup(const QString &file)
	+QString GitCommitTree::lookup(QString const &file)
	{
	auto it = blob_map.find(file);
	if (it != blob_map.end()) {
	return it->second.id;
	}
	return lookup_(file, nullptr);
	}

	-bool GitCommitTree::lookup(const QString &file, GitTreeItem *out)
	+bool GitCommitTree::lookup(QString const &file, GitTreeItem *out)
	{
	*out = GitTreeItem();
	auto it = blob_map.find(file);
	if (it != blob_map.end()) {
	*out = it->second;
	return true;
	}
	return !lookup_(file, out).isEmpty();
	}

	-void GitCommitTree::parseTree(const QString &tree_id)
	+void GitCommitTree::parseTree(QString const &tree_id)
	{
	parse_tree_(objcache, tree_id, QString(), &root_item_list);
	}

	-QString GitCommitTree::parseCommit(const QString &commit_id)
	+QString GitCommitTree::parseCommit(QString const &commit_id)
	{
	GitCommit commit;
	commit.parseCommit(objcache, commit_id);
	parseTree(commit.tree_id);
	return commit.tree_id;
	}

	//

	-QString lookupFileID(GitObjectCache *objcache, const QString &commit_id, const QString &file)
	+QString lookupFileID(GitObjectCache *objcache, QString const &commit_id, QString const &file)
	// 指定されたコミットに属するファイルのIDを求める
	{
	GitCommitTree commit_tree(objcache);
	commit_tree.parseCommit(commit_id);
	QString id = commit_tree.lookup(file);
	return id;
	}
	diff --git a/src/GitDiff.h b/src/GitDiff.h
	index 80bb365..f3e6054 100644
	--- a/src/GitDiff.h
	+++ b/src/GitDiff.h
	@@ -1,63 +1,63 @@
	#ifndef GITDIFF_H
	#define GITDIFF_H

	#include <set>
	#include "common/misc.h"
	#include "Git.h"
	#include "GitObjectManager.h"

	class GitDiff {
	friend class CommitListThread;
	public:
	private:
	class LookupTable;
	private:
	GitObjectCache *objcache = nullptr;
	QList<Git::Diff> diffs;

	bool interrupted = false;

	struct Interrupted {
	};

	void checkInterrupted()
	{
	if (interrupted) {
	throw Interrupted();
	}
	}

	typedef std::list<LookupTable> MapList;

	GitPtr git();

	static void AddItem(Git::Diff item, QList<Git::Diff> diffs);

	- void retrieveCompleteTree(const QString &dir, const GitTreeItemList files, std::map<QString, GitTreeItem> out);
	- void retrieveCompleteTree(const QString &dir, const GitTreeItemList *files);
	+ void retrieveCompleteTree(QString const &dir, const GitTreeItemList files, std::map<QString, GitTreeItem> out);
	+ void retrieveCompleteTree(QString const &dir, const GitTreeItemList *files);
	public:
	GitDiff(GitObjectCache *objcache)
	{
	this->objcache = objcache;
	}

	bool diff(QString id, QList<Git::Diff> *out);
	bool diff_uncommited(QList<Git::Diff> *out);

	void interrupt()
	{
	interrupted = true;
	}

	public:
	- static QString diffObjects(GitPtr g, const QString &a_id, const QString &b_id);
	- static QString diffFiles(GitPtr g, const QString &a_path, const QString &b_path);
	+ static QString diffObjects(GitPtr g, QString const &a_id, QString const &b_id);
	+ static QString diffFiles(GitPtr g, QString const &a_path, QString const &b_path);
	static void parseDiff(std::string const &s, const Git::Diff info, Git::Diff out);
	static QString makeKey(QString const &a_id, QString const &b_id);
	static QString makeKey(const Git::Diff &diff);
	- static QString prependPathPrefix(const QString &path);
	+ static QString prependPathPrefix(QString const &path);


	};

	#endif // GITDIFF_H
	diff --git a/src/GitObjectManager.cpp b/src/GitObjectManager.cpp
	index 3d9aba6..04e01d6 100644
	--- a/src/GitObjectManager.cpp
	+++ b/src/GitObjectManager.cpp
	@@ -1,389 +1,389 @@
	#include "GitObjectManager.h"
	#include "Git.h"
	#include "common/joinpath.h"
	#include "common/misc.h"
	#include <QBuffer>
	#include <QDebug>
	#include <QDirIterator>
	#include <QFile>

	GitObjectManager::GitObjectManager()
	{
	subdir_git_objects = ".git/objects";
	subdir_git_objects_pack = subdir_git_objects / "pack";
	}

	void GitObjectManager::setup(GitPtr g)
	{
	this->g = g;
	clearIndexes();
	}

	QString GitObjectManager::workingDir()
	{
	return g->workingRepositoryDir();
	}

	void GitObjectManager::loadIndexes()
	{
	QMutexLocker lock(&mutex);
	if (git_idx_list.empty()) {
	QString path = workingDir() / subdir_git_objects_pack;
	QDirIterator it(path, { "pack-*.idx" }, QDir::Files \| QDir::Readable);
	while (it.hasNext()) {
	it.next();
	GitPackIdxPtr idx = GitPackIdxPtr(new GitPackIdxV2());
	idx->basename = it.fileInfo().baseName();
	idx->parse(it.filePath());
	git_idx_list.push_back(idx);
	}
	}
	}

	void GitObjectManager::clearIndexes()
	{
	git_idx_list.clear();
	}

	void GitObjectManager::applyDelta(QByteArray const base_obj, QByteArray const delta_obj, QByteArray *out)
	{
	if (delta_obj->size() > 0) {
	uint8_t const begin = (uint8_t const )delta_obj->data();
	uint8_t const *end = begin + delta_obj->size();
	uint8_t const *ptr = begin;
	auto ReadNumber = [&](){
	uint64_t n = 0;
	int shift = 0;
	while (ptr < end) {
	uint64_t c = *ptr;
	ptr++;
	n \|= (c & 0x7f) << shift;
	shift += 7;
	if (!(c & 0x80)) break;
	}
	return n;
	};
	uint64_t a = ReadNumber(); // older file size
	uint64_t b = ReadNumber(); // newer file size
	(void)a;
	(void)b;
	// cf. https://github.com/github/git-msysgit/blob/master/patch-delta.c
	while (ptr < end) {
	uint8_t op = *ptr;
	ptr++;
	if (op & 0x80) { // copy operation
	uint32_t offset = 0;
	uint32_t length = 0;
	if (op & 0x01) offset = *ptr++;
	if (op & 0x02) offset \|= (*ptr++ << 8);
	if (op & 0x04) offset \|= (*ptr++ << 16);
	if (op & 0x08) offset \|= ((unsigned) *ptr++ << 24);
	if (op & 0x10) length = *ptr++;
	if (op & 0x20) length \|= (*ptr++ << 8);
	if (op & 0x40) length \|= (*ptr++ << 16);
	if (length == 0) length = 0x10000;

	if (offset + length > (uint32_t)base_obj->size()) {
	qDebug() << Q_FUNC_INFO << "base-file or delta-file is corrupted";
	out->clear();
	return;
	}
	out->append(base_obj->data() + offset, length);
	} else if (op > 0) { // insert operation
	int length = op & 0x7f;
	if (ptr + length <= end) {
	out->append((char const *)ptr, length);
	ptr += length;
	}
	} else {
	qDebug() << Q_FUNC_INFO << "unexpected delta opcode 0";
	}
	}
	}
	}

	bool GitObjectManager::loadPackedObject(GitPackIdxPtr idx, QIODevice packfile, GitPackIdxItem const item, GitPack::Object *out)
	{
	GitPack::Info info;
	if (GitPack::seekPackedObject(packfile, item, &info)) {
	GitPackIdxItem const *source_item = nullptr;
	if (info.type == Git::Object::Type::OFS_DELTA) {
	source_item = idx->item(item->offset - info.offset);
	} else if (info.type == Git::Object::Type::REF_DELTA) {
	source_item = idx->item(info.ref_id);
	}
	if (source_item) { // if deltified object
	GitPack::Object source;
	if (source_item && loadPackedObject(idx, packfile, source_item, &source)) {
	GitPack::Object delta;
	if (GitPack::load(packfile, item, &delta)) {
	if (delta.checksum != item->checksum) {
	qDebug() << "crc checksum incorrect";
	return false;
	}
	QByteArray ba;
	applyDelta(&source.content, &delta.content, &ba);
	*out = GitPack::Object();
	out->type = source.type;
	out->content = std::move(ba);
	out->expanded_size = out->content.size();
	return true;
	}
	}
	qDebug() << Q_FUNC_INFO << "failed";
	return false;
	}
	}
	if (GitPack::load(packfile, item, out)) {
	return true;
	}
	return false;
	}

	bool GitObjectManager::extractObjectFromPackFile(GitPackIdxPtr idx, GitPackIdxItem const item, GitPack::Object out)
	{
	*out = GitPack::Object();
	QString packfilepath = workingDir() / subdir_git_objects_pack / (idx->basename + ".pack");
	QFile packfile(packfilepath);
	if (packfile.open(QFile::ReadOnly)) {
	if (loadPackedObject(idx, &packfile, item, out)) {
	if (out->type == Git::Object::Type::TREE) {
	GitPack::decodeTree(&out->content);
	}
	return true;
	}
	}
	return false;
	}

	bool GitObjectManager::extractObjectFromPackFile(QString const &id, QByteArray out, Git::Object::Type type)
	{
	loadIndexes();

	for (GitPackIdxPtr idx : git_idx_list) {
	GitPackIdxItem const *item = idx->item(id);
	if (item) {
	GitPack::Object obj;
	if (extractObjectFromPackFile(idx, item, &obj)) {
	*out = std::move(obj.content);
	*type = obj.type;
	return true;
	}
	qDebug() << Q_FUNC_INFO << "failed";
	return false;
	}
	}
	return false;
	}

	-QString GitObjectManager::findObjectPath(const QString &id)
	+QString GitObjectManager::findObjectPath(QString const &id)
	{
	if (Git::isValidID(id)) {
	int count = 0;
	QString absolute_path;
	QString xx = id.mid(0, 2); // leading two xdigits
	QString name = id.mid(2); // remaining xdigits
	QString dir = workingDir() / subdir_git_objects / xx; // e.g. /home/user/myproject/.git/objects/5a
	QDirIterator it(dir, QDir::Files);
	while (it.hasNext()) {
	it.next();
	if (it.fileName().startsWith(name)) {
	QString id = xx + it.fileName(); // complete id
	if (id.size() == GIT_ID_LENGTH && Git::isValidID(id)) {
	absolute_path = dir / it.fileName();
	count++;
	}
	}
	}
	if (count == 1) return absolute_path;
	if (count > 1) qDebug() << Q_FUNC_INFO << "ambiguous id" << id;
	}
	return QString(); // not found
	}

	bool GitObjectManager::loadObject(QString const &id, QByteArray out, Git::Object::Type type)
	{
	QString path = findObjectPath(id);
	if (!path.isEmpty()) {
	QFile file(path);
	if (file.open(QFile::ReadOnly)) {
	if (GitPack::decompress(&file, 1000000000, out)) {
	*type = GitPack::stripHeader(out);
	if (*type == Git::Object::Type::TREE) {
	GitPack::decodeTree(out);
	}
	return true;
	}
	}
	}
	return false;
	}

	-bool GitObjectManager::catFile(const QString &id, QByteArray out, Git::Object::Type type)
	+bool GitObjectManager::catFile(QString const &id, QByteArray out, Git::Object::Type type)
	{
	*type = Git::Object::Type::UNKNOWN;
	if (loadObject(id, out, type)) return true;
	if (extractObjectFromPackFile(id, out, type)) return true;
	return false;
	}

	//

	size_t GitObjectCache::size() const
	{
	size_t size = 0;
	for (ItemPtr const &item : items) {
	size += item->ba.size();
	}
	return size;
	}

	void GitObjectCache::setup(GitPtr g)
	{
	items.clear();
	revparsemap.clear();
	object_manager.setup(g->dup());
	}

	QString GitObjectCache::revParse(QString const &name)
	{
	{
	QMutexLocker lock(&object_manager.mutex);
	auto it = revparsemap.find(name);
	if (it != revparsemap.end()) {
	return it->second;
	}
	}

	QString id = git()->rev_parse(name);

	{
	QMutexLocker lock(&object_manager.mutex);
	revparsemap[name] = id;
	return id;
	}
	}

	-Git::Object GitObjectCache::catFile(const QString &id)
	+Git::Object GitObjectCache::catFile(QString const &id)
	{
	{
	QMutexLocker lock(&object_manager.mutex);
	size_t n = items.size();
	size_t i = n;
	while (i > 0) {
	i--;
	if (items[i]->id == id) {
	ItemPtr item = items[i];
	if (i + 1 < n) {
	items.erase(items.begin() + i);
	items.push_back(item);
	}
	Git::Object obj;
	obj.type = item->type;
	obj.content = item->ba;
	return obj;
	}
	}

	while (size() > 100000000) { // 100MB
	items.erase(items.begin());
	}
	}

	QByteArray ba;
	Git::Object::Type type = Git::Object::Type::UNKNOWN;

	auto Store = [&](){
	QMutexLocker lock(&object_manager.mutex);
	Item *item = new Item();
	item->id = id;
	item->ba = std::move(ba);
	item->type = type;
	items.push_back(ItemPtr(item));
	Git::Object obj;
	obj.type = item->type;
	obj.content = item->ba;
	return obj;
	};

	if (object_manager.catFile(id, &ba, &type)) { // 独自実装のファイル取得
	return Store();
	}

	if (true) {
	if (git()->cat_file(id, &ba)) { // 外部コマンド起動の git cat-file -p を試してみる
	// 上の独自実装のファイル取得が正しく動作していれば、ここには来ないはず
	qDebug() << __LINE__ << __FILE__ << Q_FUNC_INFO << id;
	return Store();
	}
	}

	qDebug() << "failed to cat file: " << id;

	return Git::Object();
	}

	QString GitObjectCache::getCommitIdFromTag(QString const &tag)
	{
	QString commit_id;
	GitPtr g = git();
	if (g && g->isValidWorkingCopy()) {
	QString id = g->rev_parse(tag);
	Git::Object obj = catFile(id);
	switch (obj.type) {
	case Git::Object::Type::COMMIT:
	commit_id = id;
	break;
	case Git::Object::Type::TAG:
	if (!obj.content.isEmpty()) {
	misc::splitLines(obj.content, [&](char const *ptr, size_t len){
	if (commit_id.isEmpty()) {
	if (len >= 7 + GIT_ID_LENGTH && strncmp(ptr, "object ", 7) == 0) {
	QString id = QString::fromUtf8(ptr + 7, len - 7).trimmed();
	if (Git::isValidID(id)) {
	commit_id = id;
	}
	}
	}
	return QString();
	});
	}
	break;
	}
	}
	return commit_id;
	}




	-bool GitCommit::parseCommit(GitObjectCache *objcache, const QString &id)
	+bool GitCommit::parseCommit(GitObjectCache *objcache, QString const &id)
	{
	parents.clear();
	if (!id.isEmpty()) {
	QStringList parents;
	{
	Git::Object obj = objcache->catFile(id);
	if (!obj.content.isEmpty()) {
	QStringList lines = misc::splitLines(QString::fromUtf8(obj.content));
	for (QString const &line : lines) {
	int i = line.indexOf(' ');
	if (i < 1) break;
	QString key = line.mid(0, i);
	QString val = line.mid(i + 1).trimmed();
	if (key == "tree") {
	tree_id = val;
	} else if (key == "parent") {
	parents.push_back(val);
	}
	}
	}
	}
	if (!tree_id.isEmpty()) { // サブディレクトリ
	this->parents.append(parents);
	return true;
	}
	}
	return false;
	}

	diff --git a/src/GitObjectManager.h b/src/GitObjectManager.h
	index b93936a..21b6b71 100644
	--- a/src/GitObjectManager.h
	+++ b/src/GitObjectManager.h
	@@ -1,129 +1,129 @@
	#ifndef GITOBJECTMANAGER_H
	#define GITOBJECTMANAGER_H

	#include <QMutex>
	#include <QString>
	#include "GitPack.h"
	#include "GitPackIdxV2.h"
	#include <map>

	class GitPackIdxV2;

	class Git;
	typedef std::shared_ptr<Git> GitPtr;

	class GitObjectManager {
	friend class GitObjectCache;
	private:
	GitPtr g;
	QMutex mutex;
	QString subdir_git_objects;
	QString subdir_git_objects_pack;
	std::vector<GitPackIdxPtr> git_idx_list;

	QString workingDir();

	static void applyDelta(const QByteArray base, const QByteArray delta, QByteArray *out);
	static bool loadPackedObject(GitPackIdxPtr idx, QIODevice packfile, const GitPackIdxItem item, GitPack::Object *out);
	bool extractObjectFromPackFile(GitPackIdxPtr idx, const GitPackIdxItem item, GitPack::Object out);
	- bool extractObjectFromPackFile(const QString &id, QByteArray out, Git::Object::Type type);
	+ bool extractObjectFromPackFile(QString const &id, QByteArray out, Git::Object::Type type);
	void loadIndexes();
	- QString findObjectPath(const QString &id);
	- bool loadObject(const QString &id, QByteArray out, Git::Object::Type type);
	+ QString findObjectPath(QString const &id);
	+ bool loadObject(QString const &id, QByteArray out, Git::Object::Type type);
	GitPtr git()
	{
	return g;
	}
	public:
	GitObjectManager();
	void setup(GitPtr g);
	- bool catFile(const QString &id, QByteArray out, Git::Object::Type type);
	+ bool catFile(QString const &id, QByteArray out, Git::Object::Type type);
	void clearIndexes();
	};

	class GitObjectCache {
	public:
	struct Item {
	QString id;
	QByteArray ba;
	Git::Object::Type type;
	};
	private:
	GitObjectManager object_manager;
	typedef std::shared_ptr<Item> ItemPtr;
	std::vector<ItemPtr> items;
	std::map<QString, QString> revparsemap;
	size_t size() const;
	public:
	GitPtr git()
	{
	return object_manager.git();
	}

	void setup(GitPtr g);
	- QString revParse(const QString &name);
	+ QString revParse(QString const &name);
	Git::Object catFile(QString const &id);
	- QString getCommitIdFromTag(const QString &tag);
	+ QString getCommitIdFromTag(QString const &tag);
	};

	class GitCommit {
	public:
	QString tree_id;
	QStringList parents;

	bool parseCommit(GitObjectCache *objcache, QString const &id);
	};

	struct GitTreeItem {
	enum Type {
	UNKNOWN,
	TREE,
	BLOB,
	};
	Type type = UNKNOWN;
	QString name;
	QString id;
	QString mode;

	QString to_string_() const
	{
	QString t;
	switch (type) {
	case TREE: t = "TREE"; break;
	case BLOB: t = "BLOB"; break;
	}
	return QString("GitTreeItem:{ %1 %2 %3 %4 }").arg(t).arg(id).arg(mode).arg(name);
	}
	};

	typedef QList<GitTreeItem> GitTreeItemList;

	class GitCommitTree {
	private:
	GitObjectCache *objcache;
	GitTreeItemList root_item_list;

	std::map<QString, GitTreeItem> blob_map;
	std::map<QString, QString> tree_id_map;

	GitPtr git();

	QString lookup_(QString const &file, GitTreeItem *out);
	public:
	GitCommitTree(GitObjectCache *objcache);

	QString lookup(QString const &file);
	- bool lookup(const QString &file, GitTreeItem *out);
	+ bool lookup(QString const &file, GitTreeItem *out);

	- void parseTree(const QString &tree_id);
	+ void parseTree(QString const &tree_id);
	QString parseCommit(QString const &commit_id);

	GitTreeItemList const *treelist() const
	{
	return &root_item_list;
	}
	};

	-QString lookupFileID(GitObjectCache *objcache, const QString &commit_id, const QString &file);
	+QString lookupFileID(GitObjectCache *objcache, QString const &commit_id, QString const &file);

	#endif // GITOBJECTMANAGER_H
	diff --git a/src/GitPack.h b/src/GitPack.h
	index abf90c8..319ecc0 100644
	--- a/src/GitPack.h
	+++ b/src/GitPack.h
	@@ -1,39 +1,39 @@
	#ifndef GITPACK_H
	#define GITPACK_H

	#include <QIODevice>
	#include <stdint.h>
	#include "Git.h"

	struct GitPackIdxItem;

	class GitPack {
	public:
	struct Info {
	Git::Object::Type type = Git::Object::Type::UNKNOWN;
	size_t expanded_size = 0;
	uint64_t offset = 0;
	QString ref_id;
	uint32_t checksum = 0;
	};
	struct Object : public Info {
	QByteArray content;
	size_t packed_size = 0;
	};
	private:
	static uint32_t read_uint32_be(const void *p)
	{
	uint8_t const q = (uint8_t const )p;
	return (q[0] << 24) \| (q[1] << 16) \| (q[2] << 8) \| q[3];
	}

	public:
	static bool decompress(QIODevice in, size_t expanded_size, QByteArray out, size_t consumed = nullptr, uint32_t crc = nullptr);
	static bool load(QIODevice file, GitPackIdxItem const item, Object *out);
	- static bool load(const QString &packfile, const GitPackIdxItem item, Object out);
	+ static bool load(QString const &packfile, const GitPackIdxItem item, Object out);
	static bool seekPackedObject(QIODevice file, const GitPackIdxItem item, Info *out);
	static void decodeTree(QByteArray *out);
	static Git::Object::Type stripHeader(QByteArray *out);
	};

	#endif // GITPACK_H
	diff --git a/src/GitPackIdxV2.cpp b/src/GitPackIdxV2.cpp
	index aac5401..88c3d8e 100644
	--- a/src/GitPackIdxV2.cpp
	+++ b/src/GitPackIdxV2.cpp
	@@ -1,129 +1,129 @@
	#include "GitPackIdxV2.h"
	#include <QCryptographicHash>
	#include <QDebug>
	#include <QFile>

	QString GitPackIdxV2::toString(uint8_t const *p)
	{
	char tmp[41];
	for (int i = 0; i < GIT_ID_LENGTH / 2; i++) {
	sprintf(tmp + i * 2, "%02x", p[i]);
	}
	return QString::fromLatin1(tmp, GIT_ID_LENGTH);
	}

	uint32_t GitPackIdxV2::read_uint32_be(const void *p)
	{
	auto const q = (uint8_t const )p;
	return (q[0] << 24) \| (q[1] << 16) \| (q[2] << 8) \| q[3];
	}

	uint32_t GitPackIdxV2::get_fanout(const GitPackIdxV2::header_t *t, int i)
	{
	return read_uint32_be(&t->fanout[i]);
	}

	const uint8_t *GitPackIdxV2::object(int i) const
	{
	return d.objects[i].id;
	}

	uint32_t GitPackIdxV2::offset(int i) const
	{
	return read_uint32_be(&d.offsets[i]);
	}

	uint32_t GitPackIdxV2::checksum(int i) const
	{
	return read_uint32_be(&d.checksums[i]);
	}

	void GitPackIdxV2::clear()
	{
	d = Data();
	}

	bool GitPackIdxV2::parse(QIODevice *in)
	{
	try {
	auto Read = [&](void *ptr, size_t len){
	const auto l = in->read((char *)ptr, len);
	return 0 < l && static_cast<size_t>(l) == len;
	};
	static char const magic[] = "\xff\x74\x4f\x63\x00\x00\x00\x02";
	if (!Read(&d.header, sizeof(d.header))) throw QString("failed to read the idx header");
	if (memcmp(d.header.magic, magic, 8) != 0) throw QString("invalid idx header");
	uint32_t size = get_fanout(&d.header, 255);
	if (size > 1000000) throw QString("number of objects in the idx file is too big");
	size_t size4 = size * sizeof(uint32_t);
	d.objects.resize(size);
	d.checksums.resize(size);
	d.offsets.resize(size);
	if (!Read(&d.objects[0], size * 20)) throw QString("failed to read the objects");
	if (!Read(&d.checksums[0], size4)) throw QString("failed to read the checksums");
	if (!Read(&d.offsets[0], size4)) throw QString("failed to read the offsets");
	if (!Read(&d.trailer, sizeof(d.trailer))) throw QString("failed to read the trailer");

	QCryptographicHash sha1(QCryptographicHash::Sha1);
	sha1.addData((char const *)&d.header, sizeof(d.header));
	sha1.addData((char const )&d.objects[0], size 20);
	sha1.addData((char const *)&d.checksums[0], size4);
	sha1.addData((char const *)&d.offsets[0], size4);
	sha1.addData((char const *)&d.trailer.packfile_checksum, sizeof(d.trailer) - 20);
	QByteArray chksum = sha1.result();
	Q_ASSERT(chksum.size() == 20);
	if (memcmp(chksum.data(), d.trailer.idxfile_checksum, 20) != 0) {
	throw QString("idx checksum is not correct");
	}

	for (size_t i = 0; i < size; i++) {
	GitPackIdxItem item;
	item.id = toString(object(i));
	item.offset = offset(i);
	item.checksum = checksum(i);
	d.item_list.push_back(item);
	}
	for (size_t i = 0; i < size; i++) {
	GitPackIdxItem &item = d.item_list[i];
	if (i + 1 < size) {
	item.packed_size = d.item_list[i + 1].offset - d.item_list[i].offset;
	}
	}

	return true;
	} catch (QString const &e) {
	qDebug() << e;
	}
	return false;
	}

	-bool GitPackIdxV2::parse(const QString &idxfile)
	+bool GitPackIdxV2::parse(QString const &idxfile)
	{
	clear();
	QFile file(idxfile);
	if (file.open(QFile::ReadOnly)) {
	if (parse(&file)) {
	return true;
	}
	}
	return false;
	}

	-const GitPackIdxItem *GitPackIdxV2::item(const QString &id) const
	+const GitPackIdxItem *GitPackIdxV2::item(QString const &id) const
	{
	for (const auto & i : d.item_list) {
	if (i.id == id) {
	return &i;
	}
	}
	return nullptr;
	}

	const GitPackIdxItem *GitPackIdxV2::item(size_t offset) const
	{
	for (GitPackIdxItem const &item : d.item_list) {
	if (item.offset == offset) return &item;
	}
	return nullptr;
	}

	diff --git a/src/GitPackIdxV2.h b/src/GitPackIdxV2.h
	index 60a93d3..22b39e1 100644
	--- a/src/GitPackIdxV2.h
	+++ b/src/GitPackIdxV2.h
	@@ -1,67 +1,67 @@
	#ifndef GITPACKIDXV2_H
	#define GITPACKIDXV2_H

	#include <QIODevice>
	#include <stdint.h>
	#include <vector>
	#include "GitPack.h"
	#include <memory>

	struct GitPackIdxItem {
	QString id;
	Git::Object::Type type = Git::Object::Type::UNKNOWN;
	size_t offset = 0;
	size_t packed_size = 0;
	size_t expanded_size = 0;
	uint32_t checksum;
	};

	class GitPackIdxV2 {
	friend class GitObjectManager;
	friend class MainWindow; // for debug
	private:
	QString basename; // e.g. "pack-56430ed038c968ded87eb3756dcde85bfafc10ce"

	struct header_t {
	uint8_t magic[8];
	uint32_t fanout[256];
	};

	struct trailer_t {
	uint8_t packfile_checksum[20];
	uint8_t idxfile_checksum[20];
	};

	struct object_id_t {
	uint8_t id[20];
	};

	struct Data {
	header_t header;
	std::vector<object_id_t> objects;
	std::vector<uint32_t> checksums;
	std::vector<uint32_t> offsets;
	trailer_t trailer;
	std::vector<GitPackIdxItem> item_list;
	} d;

	private:

	static QString toString(const uint8_t *p);
	static inline uint32_t read_uint32_be(void const *p);
	static inline uint32_t get_fanout(header_t const *t, int i);

	uint8_t const *object(int i) const;
	uint32_t offset(int i) const;
	uint32_t checksum(int i) const;
	void clear();
	bool parse(QIODevice *in);
	public:
	- bool parse(const QString &idxpath);
	+ bool parse(QString const &idxpath);
	GitPackIdxItem const *item(QString const &id) const;
	GitPackIdxItem const *item(size_t offset) const;
	};

	typedef std::shared_ptr<GitPackIdxV2> GitPackIdxPtr;

	#endif // GITPACKIDXV2_H
	diff --git a/src/ImageViewWidget.h b/src/ImageViewWidget.h
	index 7be0b1f..0e1a8d7 100644
	--- a/src/ImageViewWidget.h
	+++ b/src/ImageViewWidget.h
	@@ -1,57 +1,57 @@
	#ifndef IMAGEVIEWWIDGET_H
	#define IMAGEVIEWWIDGET_H

	#include <QScrollBar>
	#include <QWidget>
	#include "Git.h"
	#include "MainWindow.h"
	#include "AbstractCharacterBasedApplication.h"

	class FileDiffWidget;

	class FileDiffSliderWidget;

	class ImageViewWidget : public QWidget {
	Q_OBJECT
	private:
	struct Private;
	Private *m;

	bool isValidImage() const;
	QSize imageSize() const;

	QSizeF imageScrollRange() const;
	void internalScrollImage(double x, double y);
	void scrollImage(double x, double y);
	void setImageScale(double scale);
	QBrush getTransparentBackgroundBrush();
	bool hasFocus() const;
	void setScrollBarRange(QScrollBar h, QScrollBar v);
	void updateScrollBarRange();
	protected:
	MainWindow *mainwindow();
	void resizeEvent(QResizeEvent *);
	void paintEvent(QPaintEvent *);
	void mousePressEvent(QMouseEvent *event);
	void mouseMoveEvent(QMouseEvent *event);
	void wheelEvent(QWheelEvent *);
	public:
	explicit ImageViewWidget(QWidget *parent = 0);
	~ImageViewWidget();

	void bind(MainWindow m, FileDiffWidget filediffwidget, QScrollBar vsb, QScrollBar hsb);

	void clear();

	- void setImage(QString mimetype, const QByteArray &ba);
	+ void setImage(QString mimetype, QByteArray const &ba);

	void setLeftBorderVisible(bool f);

	void refrectScrollBar();

	static QString formatText(const Document::Line &line2);
	signals:
	void scrollByWheel(int lines);
	};

	#endif // IMAGEVIEWWIDGET_H
	diff --git a/src/JumpDialog.cpp b/src/JumpDialog.cpp
	index 12a6025..ea651e0 100644
	--- a/src/JumpDialog.cpp
	+++ b/src/JumpDialog.cpp
	@@ -1,145 +1,145 @@
	#include "JumpDialog.h"
	#include "ui_JumpDialog.h"

	#include <QDebug>

	struct JumpDialog::Private {
	MyTableWidgetDelegate delegate;
	QString filter_text;
	QString selected_name;
	NamedCommitList items;
	};

	JumpDialog::JumpDialog(QWidget *parent, const NamedCommitList &items)
	: QDialog(parent)
	, ui(new Ui::JumpDialog)
	, m(new Private)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);

	ui->tableWidget->setItemDelegate(&m->delegate);

	m->items = items;

	QStringList header = {
	tr("Name"),
	};

	ui->tableWidget->setColumnCount(header.size());
	{
	for (int i = 0; i < header.size(); i++) {
	QTableWidgetItem *p = new QTableWidgetItem();
	p->setText(header[i]);
	ui->tableWidget->setHorizontalHeaderItem(i, p);
	}
	}
	updateTable();

	ui->tabWidget->setCurrentWidget(ui->tab_branches_tags);
	ui->lineEdit_filter->setFocus();
	}

	JumpDialog::~JumpDialog()
	{
	delete m;
	delete ui;
	}

	JumpDialog::Action JumpDialog::action() const
	{
	QWidget *w = ui->tabWidget->currentWidget();
	if (w == ui->tab_branches_tags) return Action::BranchsAndTags;
	if (w == ui->tab_find_text) return Action::CommitId;
	return Action::None;
	}

	QString JumpDialog::text() const
	{
	JumpDialog::Action a = action();

	if (a == JumpDialog::Action::BranchsAndTags) {
	return m->selected_name;
	}

	if (a == JumpDialog::Action::CommitId) {
	return ui->lineEdit_text->text();
	}

	return QString();
	}

	void JumpDialog::sort(NamedCommitList *items)
	{
	std::sort(items->begin(), items->end(), [](NamedCommitItem const &l, NamedCommitItem const &r){
	return l.name.compare(r.name, Qt::CaseInsensitive) < 0;
	});
	}

	void JumpDialog::updateTable_(NamedCommitList const &list)
	{
	ui->tableWidget->clearContents();
	ui->tableWidget->setRowCount(list.size());
	for (int i = 0; i < list.size(); i++) {
	QTableWidgetItem *p = new QTableWidgetItem();
	QString name = list[i].name;
	p->setText(name);
	ui->tableWidget->setItem(i, 0, p);
	ui->tableWidget->setRowHeight(i, 24);
	}
	ui->tableWidget->resizeColumnsToContents();
	ui->tableWidget->horizontalHeader()->setStretchLastSection(true);
	ui->tableWidget->setCurrentCell(0, 0);
	}

	void JumpDialog::updateTable()
	{
	if (m->filter_text.isEmpty()) {
	updateTable_(m->items);
	} else {
	NamedCommitList list;
	for (NamedCommitItem const &item: m->items) {
	if (item.name.indexOf(m->filter_text, 0, Qt::CaseInsensitive) < 0) {
	continue;
	}
	list.push_back(item);
	}
	updateTable_(list);
	}
	}

	-void JumpDialog::on_lineEdit_filter_textChanged(const QString &text)
	+void JumpDialog::on_lineEdit_filter_textChanged(QString const &text)
	{
	m->filter_text = text;
	updateTable();
	}

	void JumpDialog::on_toolButton_clicked()
	{
	ui->lineEdit_filter->clear();
	ui->lineEdit_filter->setFocus();
	}

	void JumpDialog::on_tableWidget_currentItemChanged(QTableWidgetItem * /current/, QTableWidgetItem * /previous/)
	{
	int row = ui->tableWidget->currentRow();
	QTableWidgetItem *p = ui->tableWidget->item(row, 0);
	m->selected_name = p ? p->text() : QString();
	}

	bool JumpDialog::isCheckoutChecked()
	{
	return ui->checkBox_checkout->isChecked();
	}

	void JumpDialog::on_tabWidget_currentChanged(int /index/)
	{
	if (ui->tabWidget->currentWidget() == ui->tab_branches_tags) {
	ui->checkBox_checkout->setVisible(true);
	} else {
	ui->checkBox_checkout->setVisible(false);
	}
	}

	diff --git a/src/JumpDialog.h b/src/JumpDialog.h
	index c7a98f8..e17f0c7 100644
	--- a/src/JumpDialog.h
	+++ b/src/JumpDialog.h
	@@ -1,51 +1,51 @@
	#ifndef JUMPDIALOG_H
	#define JUMPDIALOG_H

	#include "MyTableWidgetDelegate.h"
	#include "Git.h"
	#include <QDialog>

	namespace Ui {
	class JumpDialog;
	}

	class QTableWidgetItem;

	class JumpDialog : public QDialog
	{
	Q_OBJECT
	public:
	private:
	struct Private;
	Private *m;
	public:
	explicit JumpDialog(QWidget *parent, NamedCommitList const &items);
	~JumpDialog();

	enum class Action {
	None,
	BranchsAndTags,
	CommitId,
	};

	Action action() const;


	QString text() const;

	static void sort(NamedCommitList *items);
	bool isCheckoutChecked();
	private slots:
	void on_toolButton_clicked();
	- void on_lineEdit_filter_textChanged(const QString &text);
	+ void on_lineEdit_filter_textChanged(QString const &text);
	void on_tableWidget_currentItemChanged(QTableWidgetItem current, QTableWidgetItem previous);

	void on_tabWidget_currentChanged(int index);

	private:
	Ui::JumpDialog *ui;
	void updateTable();
	void updateTable_(const NamedCommitList &list2);
	};

	#endif // JUMPDIALOG_H
	diff --git a/src/LineEditDialog.cpp b/src/LineEditDialog.cpp
	index 63d0009..a2a9f9f 100644
	--- a/src/LineEditDialog.cpp
	+++ b/src/LineEditDialog.cpp
	@@ -1,26 +1,26 @@
	#include "LineEditDialog.h"
	#include "ui_LineEditDialog.h"

	-LineEditDialog::LineEditDialog(QWidget *parent, const QString &title, const QString &prompt, const QString &val, bool password) :
	+LineEditDialog::LineEditDialog(QWidget *parent, QString const &title, QString const &prompt, QString const &val, bool password) :
	QDialog(parent),
	ui(new Ui::LineEditDialog)
	{
	ui->setupUi(this);
	setWindowTitle(title);
	ui->label_prompt->setText(prompt);
	if (password) {
	ui->lineEdit->setEchoMode(QLineEdit::Password);
	}
	ui->lineEdit->setText(val);
	}

	LineEditDialog::~LineEditDialog()
	{
	delete ui;
	}

	QString LineEditDialog::text() const
	{
	return ui->lineEdit->text();
	}

	diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
	index b9996c0..ec3c857 100644
	--- a/src/MainWindow.cpp
	+++ b/src/MainWindow.cpp
	@@ -1,4914 +1,4914 @@
	#include "AreYouSureYouWantToContinueConnectingDialog.h"
	#include "BlameWindow.h"
	#include "CommitViewWindow.h"
	#include "Git.h"
	#include "LineEditDialog.h"
	#include "MainWindow.h"
	#include "ReflogWindow.h"
	#include "SetGlobalUserDialog.h"
	#include "EditTagsDialog.h"
	#include "WelcomeWizardDialog.h"
	#include "ui_MainWindow.h"
	#include "EditGitIgnoreDialog.h"
	#include "DoYouWantToInitDialog.h"
	#include "RemoteWatcher.h"
	#include "ApplicationGlobal.h"
	#include "AboutDialog.h"
	#include "AvatarLoader.h"
	#include "CheckoutDialog.h"
	#include "CloneDialog.h"
	#include "CommitExploreWindow.h"
	#include "CommitPropertyDialog.h"
	#include "common/joinpath.h"
	#include "common/misc.h"
	#include "ConfigCredentialHelperDialog.h"
	#include "CreateRepositoryDialog.h"
	#include "DeleteBranchDialog.h"
	#include "DeleteTagsDialog.h"
	#include "InputNewTagDialog.h"
	#include "FileHistoryWindow.h"
	#include "FilePropertyDialog.h"
	#include "FileUtil.h"
	#include "Git.h"
	#include "GitDiff.h"
	#include "gunzip.h"
	#include "JumpDialog.h"
	#include "LocalSocketReader.h"
	#include "main.h"
	#include "MemoryReader.h"
	#include "MergeBranchDialog.h"
	#include "MyProcess.h"
	#include "MySettings.h"
	#include "PushDialog.h"
	#include "RepositoryData.h"
	#include "RepositoryPropertyDialog.h"
	#include "SelectCommandDialog.h"
	#include "SetRemoteUrlDialog.h"
	#include "SettingsDialog.h"
	#include "SetUserDialog.h"
	#include "StatusLabel.h"
	#include "Terminal.h"
	#include "TextEditDialog.h"
	#include "CommitDialog.h"
	#include "SelectGpgKeyDialog.h"
	#include "SetGpgSigningDialog.h"
	#include "gpg.h"
	#include "webclient.h"
	#include "RebaseOntoDialog.h"
	#include <QBuffer>
	#include <QClipboard>
	#include <QDateTime>
	#include <QDebug>
	#include <QDesktopServices>
	#include <QDirIterator>
	#include <QDragEnterEvent>
	#include <QFileDialog>
	#include <QFileIconProvider>
	#include <QKeyEvent>
	#include <QLocalServer>
	#include <QMessageBox>
	#include <QMimeData>
	#include <QPainter>
	#include <QProcess>
	#include <QStandardPaths>
	#include <QThread>
	#include <QTimer>
	#include <deque>
	#include <set>
	#include <stdlib.h>

	#ifdef Q_OS_WIN
	#include "win32/win32.h"
	#else
	#include <unistd.h>
	#endif


	#ifdef Q_OS_MAC
	extern "C" char **environ;
	#endif

	struct GitHubRepositoryInfo {
	QString owner_account_name;
	QString repository_name;
	};

	class AsyncExecGitThread_ : public QThread {
	private:
	GitPtr g;
	std::function<void(GitPtr g)> callback;
	public:
	AsyncExecGitThread_(GitPtr g, std::function<void(GitPtr g)> callback)
	: g(g)
	, callback(callback)
	{
	}
	protected:
	void run() override
	{
	callback(g);
	}
	};

	FileDiffWidget::DrawData::DrawData()
	{
	bgcolor_text = QColor(255, 255, 255);
	bgcolor_gray = QColor(224, 224, 224);
	bgcolor_add = QColor(192, 240, 192);
	bgcolor_del = QColor(255, 224, 224);
	bgcolor_add_dark = QColor(64, 192, 64);
	bgcolor_del_dark = QColor(240, 64, 64);
	}

	enum {
	IndexRole = Qt::UserRole,
	FilePathRole,
	DiffIndexRole,
	HunkIndexRole,
	};

	enum {
	GroupItem = -1,
	};

	static inline bool isGroupItem(QTreeWidgetItem *item)
	{
	if (item) {
	int index = item->data(0, IndexRole).toInt();
	if (index == GroupItem) {
	return true;
	}
	}
	return false;
	}

	static inline QString getFilePath(QListWidgetItem *item)
	{
	if (!item) return QString();
	return item->data(FilePathRole).toString();
	}

	static inline int indexOfLog(QListWidgetItem *item)
	{
	if (!item) return -1;
	return item->data(IndexRole).toInt();
	}

	static inline int indexOfDiff(QListWidgetItem *item)
	{
	if (!item) return -1;
	return item->data(DiffIndexRole).toInt();
	}

	static inline int getHunkIndex(QListWidgetItem *item)
	{
	if (!item) return -1;
	return item->data(HunkIndexRole).toInt();
	}

	enum class PtyCondition {
	None,
	Clone,
	Fetch,
	Pull,
	Push,
	};

	enum InteractionMode {
	None,
	Busy,
	};

	struct MainWindow::Private {
	QString starting_dir;
	Git::Context gcx;
	ApplicationSettings appsettings;
	QList<RepositoryItem> repos;
	RepositoryItem current_repo;
	ServerType server_type = ServerType::Standard;
	GitHubRepositoryInfo github;
	QString current_remote;
	Git::Branch current_branch;
	QString head_id;
	struct Diff {
	QList<Git::Diff> result;
	std::shared_ptr<QThread> thread;
	QList<std::shared_ptr<QThread>> garbage;
	} diff;
	std::map<QString, Git::Diff> diff_cache;
	QStringList added;
	Git::CommitItemList logs;
	std::map<int, QList<Label>> label_map;
	bool force_fetch = false;
	bool uncommited_changes = false;
	int update_files_list_counter = 0;
	QTimer interval_10ms_timer;
	QTimer remote_watcher_timer;
	QImage graph_color;
	QStringList remotes;
	std::map<QString, QList<Git::Branch>> branch_map;
	std::map<QString, QList<Git::Tag>> tag_map;
	QString repository_filter_text;
	QPixmap digits;
	QIcon repository_icon;
	QIcon folder_icon;
	QIcon signature_good_icon;
	QIcon signature_dubious_icon;
	QIcon signature_bad_icon;
	unsigned int temp_file_counter = 0;
	GitObjectCache objcache;
	QPixmap transparent_pixmap;
	StatusLabel *status_bar_label;

	QObject *last_focused_file_list = nullptr;

	WebContext webcx;
	AvatarLoader avatar_loader;
	int update_commit_table_counter = 0;

	std::map<QString, GitHubAPI::User> committer_map; // key is email

	PtyProcess pty_process;
	PtyCondition pty_condition = PtyCondition::None;
	bool pty_process_ok = false;

	RepositoryItem temp_repo;

	QListWidgetItem *last_selected_file_item = nullptr;

	InteractionMode interaction_mode = InteractionMode::None;
	bool interaction_canceled = false;

	bool remote_changed = false;

	std::string ssh_passphrase_for;
	std::string ssh_passphrase_secret;

	std::string http_uid;
	std::string http_pwd;

	RemoteWatcher remote_watcher;
	};

	MainWindow::MainWindow(QWidget *parent)
	: QMainWindow(parent)
	, ui(new Ui::MainWindow)
	, m(new Private)
	{
	ui->setupUi(this);

	#ifdef Q_OS_MACX
	ui->action_about->setText("About Guitar...");
	ui->action_edit_settings->setText("Settings...");
	#endif

	m->starting_dir = QDir::current().absolutePath();

	ui->splitter_v->setSizes({100, 400});
	ui->splitter_h->setSizes({200, 100, 200});

	m->status_bar_label = new StatusLabel(this);
	ui->statusBar->addWidget(m->status_bar_label);

	ui->widget_diff_view->bind(this);

	qApp->installEventFilter(this);

	ui->widget_log->setupForLogWidget(ui->verticalScrollBar_log, ui->horizontalScrollBar_log, themeForTextEditor());
	onLogVisibilityChanged();

	SettingsDialog::loadSettings(&m->appsettings);

	initNetworking();

	showFileList(FilesListType::SingleList);

	QFileIconProvider icons;

	m->digits.load(":/image/digits.png");
	m->graph_color = global->theme->graphColorMap();

	m->repository_icon = QIcon(":/image/repository.png");
	m->folder_icon = icons.icon(QFileIconProvider::Folder);

	m->signature_good_icon = QIcon(":/image/signature-good.png");
	m->signature_bad_icon = QIcon(":/image/signature-bad.png");
	m->signature_dubious_icon = QIcon(":/image/signature-dubious.png");

	prepareLogTableWidget();

	#ifdef Q_OS_WIN
	{
	QFont font;

	font = ui->label_repo_name->font();
	font.setFamily("Meiryo");
	ui->label_repo_name->setFont(font);

	font = ui->label_branch_name->font();
	font.setFamily("Meiryo");
	ui->label_branch_name->setFont(font);
	}
	#endif

	connect(this, SIGNAL(signalWriteLog(QByteArray)), this, SLOT(writeLog(QByteArray)));

	connect(ui->dockWidget_log, SIGNAL(visibilityChanged(bool)), this, SLOT(onLogVisibilityChanged()));
	connect(ui->widget_log, SIGNAL(idle()), this, SLOT(onLogIdle()));

	connect(ui->treeWidget_repos, SIGNAL(dropped()), this, SLOT(onRepositoriesTreeDropped()));

	connect((AbstractPtyProcess *)&m->pty_process, SIGNAL(completed()), this, SLOT(onPtyProcessCompleted()));

	// リモート監視
	connect(this, SIGNAL(signalCheckRemoteUpdate()), &m->remote_watcher, SLOT(checkRemoteUpdate()));
	connect(&m->remote_watcher_timer, SIGNAL(timeout()), &m->remote_watcher, SLOT(checkRemoteUpdate()));
	connect(this, &MainWindow::updateButton, [&](){
	doUpdateButton();
	});
	m->remote_watcher.start(this);
	setWatchRemoteInterval(appsettings()->watch_remote_changes_every_mins);

	//

	QString path = getBookmarksFilePath();
	m->repos = RepositoryBookmark::load(path);
	updateRepositoriesList();

	m->webcx.set_keep_alive_enabled(true);
	m->avatar_loader.start(&m->webcx);
	connect(&m->avatar_loader, SIGNAL(updated()), this, SLOT(onAvatarUpdated()));

	m->update_files_list_counter = 0;

	connect(ui->widget_diff_view, &FileDiffWidget::textcodecChanged, [&](){ updateDiffView(); });

	if (!global->start_with_shift_key && appsettings()->remember_and_restore_window_position) {
	Qt::WindowStates state = windowState();
	MySettings settings;

	settings.beginGroup("MainWindow");
	bool maximized = settings.value("Maximized").toBool();
	restoreGeometry(settings.value("Geometry").toByteArray());
	// ui->splitter->restoreState(settings.value("SplitterState").toByteArray());
	settings.endGroup();
	if (maximized) {
	state \|= Qt::WindowMaximized;
	setWindowState(state);
	}
	}

	startTimers();
	}

	MainWindow::~MainWindow()
	{
	stopPtyProcess();

	m->avatar_loader.stop();

	m->remote_watcher.quit();
	m->remote_watcher.wait();

	deleteTempFiles();

	delete m;
	delete ui;
	}

	bool MainWindow::checkGitCommand()
	{
	while (1) {
	if (misc::isExecutable(m->gcx.git_command)) {
	return true;
	}
	if (selectGitCommand(true).isEmpty()) {
	close();
	return false;
	}
	}
	}

	bool MainWindow::checkFileCommand()
	{
	while (1) {
	if (misc::isExecutable(global->file_command)) {
	return true;
	}
	if (selectFileCommand(true).isEmpty()) {
	close();
	return false;
	}
	}
	}

	ApplicationSettings *MainWindow::appsettings()
	{
	return &m->appsettings;
	}

	ApplicationSettings const *MainWindow::appsettings() const
	{
	return &m->appsettings;
	}

	bool MainWindow::execWelcomeWizardDialog()
	{
	WelcomeWizardDialog dlg(this);
	dlg.set_git_command_path(appsettings()->git_command);
	dlg.set_file_command_path(appsettings()->file_command);
	dlg.set_default_working_folder(appsettings()->default_working_dir);
	if (misc::isExecutable(appsettings()->git_command)) {
	m->gcx.git_command = appsettings()->git_command;
	Git g(m->gcx, QString());
	Git::User user = g.getUser(Git::Source::Global);
	dlg.set_user_name(user.name);
	dlg.set_user_email(user.email);
	}
	if (dlg.exec() == QDialog::Accepted) {
	appsettings()->git_command = m->gcx.git_command = dlg.git_command_path();
	appsettings()->file_command = global->file_command = dlg.file_command_path();
	appsettings()->default_working_dir = dlg.default_working_folder();
	SettingsDialog::saveSettings(&m->appsettings);

	if (misc::isExecutable(appsettings()->git_command)) {
	GitPtr g = git();
	Git::User user;
	user.name = dlg.user_name();
	user.email = dlg.user_email();
	g->setUser(user, true);
	}

	return true;
	}
	return false;
	}

	bool MainWindow::shown()
	{
	while (!misc::isExecutable(appsettings()->git_command) \|\| !misc::isExecutable(appsettings()->file_command)) {
	if (!execWelcomeWizardDialog()) {
	return false;
	}
	}

	setGitCommand(appsettings()->git_command, false);
	setFileCommand(appsettings()->file_command, false);

	writeLog(AboutDialog::appVersion() + '\n'); // print application version
	logGitVersion(); // print git command version

	setGpgCommand(appsettings()->gpg_command, false);

	{
	MySettings s;
	s.beginGroup("Remote");
	bool f = s.value("Online", true).toBool();
	s.endGroup();
	setRemoteOnline(f);
	}

	setUnknownRepositoryInfo();

	checkUser();

	return true;
	}

	WebContext *MainWindow::webContext()
	{
	return &m->webcx;
	}

	void MainWindow::startTimers()
	{
	// interval 10ms

	connect(&m->interval_10ms_timer, &QTimer::timeout, [&](){
	const int ms = 10;
	if (m->update_commit_table_counter > 0) {
	if (m->update_commit_table_counter > ms) {
	m->update_commit_table_counter -= ms;
	} else {
	m->update_commit_table_counter = 0;
	ui->tableWidget_log->viewport()->update();
	}
	}
	if (m->update_files_list_counter > 0) {
	if (m->update_files_list_counter > ms) {
	m->update_files_list_counter -= ms;
	} else {
	m->update_files_list_counter = 0;
	updateCurrentFilesList();
	}
	}
	});
	m->interval_10ms_timer.setInterval(10);
	m->interval_10ms_timer.start();

	startTimer(10);
	}

	TextEditorThemePtr MainWindow::themeForTextEditor()
	{
	return global->theme->text_editor_theme;
	}

	void MainWindow::setCurrentLogRow(int row)
	{
	if (row >= 0 && row < ui->tableWidget_log->rowCount()) {
	ui->tableWidget_log->setCurrentCell(row, 2);
	ui->tableWidget_log->setFocus();
	updateStatusBarText();
	}
	}

	bool MainWindow::event(QEvent *event)
	{
	QEvent::Type et = event->type();
	if (et == QEvent::WindowActivate) {
	checkRemoteUpdate();
	} else if (et == QEvent::KeyPress) {
	auto e = dynamic_cast<QKeyEvent >(event);
	Q_ASSERT(e);
	int k = e->key();
	if (k == Qt::Key_Escape) {
	emit onEscapeKeyPressed();
	} else if (k == Qt::Key_Delete) {
	if (qApp->focusWidget() == ui->treeWidget_repos) {
	removeSelectedRepositoryFromBookmark(true);
	return true;
	}
	}
	}
	return QMainWindow::event(event);
	}

	bool MainWindow::eventFilter(QObject watched, QEvent event)
	{
	QEvent::Type et = event->type();

	if (et == QEvent::KeyPress) {
	auto e = dynamic_cast<QKeyEvent >(event);
	Q_ASSERT(e);
	int k = e->key();
	if (k == Qt::Key_Tab) {
	if (centralWidget()->isAncestorOf(qApp->focusWidget())) {
	QList<QWidget *> tabstops;
	tabstops.push_back(ui->treeWidget_repos);
	tabstops.push_back(ui->tableWidget_log);
	if (ui->stackedWidget->currentWidget() == ui->page_files) {
	tabstops.push_back(ui->listWidget_files);
	} else if (ui->stackedWidget->currentWidget() == ui->page_uncommited) {
	tabstops.push_back(ui->listWidget_unstaged);
	tabstops.push_back(ui->toolButton_select_all);
	tabstops.push_back(ui->toolButton_stage);
	tabstops.push_back(ui->toolButton_unstage);
	tabstops.push_back(ui->toolButton_commit);
	tabstops.push_back(ui->listWidget_staged);
	}
	tabstops.push_back(ui->widget_diff_view);
	int n = tabstops.size();
	if (n > 0) {
	QWidget *f = qApp->focusWidget();
	int i;
	for (i = 0; i < n; i++) {
	if (tabstops[i] == f) {
	break;
	}
	}
	if (i < n) {
	if (e->modifiers() & Qt::ShiftModifier) {
	i = (i + n - 1) % n;
	} else {
	i = (i + 1) % n;
	}
	tabstops[i]->setFocus();
	}
	}
	return true;
	}
	}
	if (k == Qt::Key_Escape) {
	if (centralWidget()->isAncestorOf(qApp->focusWidget())) {
	ui->treeWidget_repos->setFocus();
	return true;
	}
	}
	if (e->modifiers() & Qt::ControlModifier) {
	if (k == Qt::Key_Up \|\| k == Qt::Key_Down) {
	int rows = ui->tableWidget_log->rowCount();
	int row = ui->tableWidget_log->currentRow();
	if (k == Qt::Key_Up) {
	if (row > 0) {
	row--;
	}
	} else if (k == Qt::Key_Down) {
	if (row + 1 < rows) {
	row++;
	}
	}
	ui->tableWidget_log->setCurrentCell(row, 0);
	return true;
	}
	}
	if (watched == ui->treeWidget_repos) {
	if (k == Qt::Key_Enter \|\| k == Qt::Key_Return) {
	openSelectedRepository();
	return true;
	}
	if (!(e->modifiers() & Qt::ControlModifier)) {
	if (k >= 0 && k < 128 && QChar((uchar)k).isLetterOrNumber()) {
	appendCharToRepoFilter(k);
	return true;
	}
	if (k == Qt::Key_Backspace) {
	backspaceRepoFilter();
	return true;
	}
	if (k == Qt::Key_Escape) {
	clearRepoFilter();
	return true;
	}
	}
	} else if (watched == ui->tableWidget_log) {
	if (k == Qt::Key_Home) {
	setCurrentLogRow(0);
	return true;
	}
	if (k == Qt::Key_Escape) {
	ui->treeWidget_repos->setFocus();
	return true;
	}
	} else if (watched == ui->listWidget_files \|\| watched == ui->listWidget_unstaged \|\| watched == ui->listWidget_staged) {
	if (k == Qt::Key_Escape) {
	ui->tableWidget_log->setFocus();
	return true;
	}
	}
	} else if (et == QEvent::FocusIn) {
	// ファイルリストがフォーカスを得たとき、diffビューを更新する。（コンテキストメニュー対応）
	if (watched == ui->listWidget_unstaged) {
	m->last_focused_file_list = watched;
	updateStatusBarText();
	updateUnstagedFileCurrentItem();
	return true;
	}
	if (watched == ui->listWidget_staged) {
	m->last_focused_file_list = watched;
	updateStatusBarText();
	updateStagedFileCurrentItem();
	return true;
	}
	if (watched == ui->listWidget_files) {
	m->last_focused_file_list = watched;
	}
	}
	return false;
	}

	void MainWindow::closeEvent(QCloseEvent *event)
	{
	if (appsettings()->remember_and_restore_window_position) {
	setWindowOpacity(0);
	Qt::WindowStates state = windowState();
	bool maximized = (state & Qt::WindowMaximized) != 0;
	if (maximized) {
	state &= ~Qt::WindowMaximized;
	setWindowState(state);
	}
	{
	MySettings settings;

	settings.beginGroup("MainWindow");
	settings.setValue("Maximized", maximized);
	settings.setValue("Geometry", saveGeometry());
	// settings.setValue("SplitterState", ui->splitter->saveState());
	settings.endGroup();
	}
	}
	QMainWindow::closeEvent(event);
	}

	void MainWindow::setStatusBarText(QString const &text)
	{
	m->status_bar_label->setText(text);
	}

	void MainWindow::clearStatusBarText()
	{
	setStatusBarText(QString());
	}

	WebContext *MainWindow::getWebContextPtr()
	{
	return &m->webcx;
	}

	QString MainWindow::getObjectID(QListWidgetItem *item)
	{
	int i = indexOfDiff(item);
	if (i >= 0 && i < m->diff.result.size()) {
	Git::Diff const &diff = m->diff.result[i];
	return diff.blob.a_id;
	}
	return QString();
	}

	void MainWindow::onLogVisibilityChanged()
	{
	ui->action_window_log->setChecked(ui->dockWidget_log->isVisible());
	}

	void MainWindow::writeLog(char const *ptr, int len)
	{
	ui->widget_log->logicalMoveToBottom();
	ui->widget_log->write(ptr, len, false);
	ui->widget_log->setChanged(false);
	m->interaction_canceled = false;
	}

	-void MainWindow::writeLog(const QString &str)
	+void MainWindow::writeLog(QString const &str)
	{
	std::string s = str.toStdString();
	writeLog(s.c_str(), s.size());
	}

	void MainWindow::writeLog(QByteArray ba)
	{
	if (!ba.isEmpty()) {
	writeLog(ba.data(), ba.size());
	}
	}

	void MainWindow::emitWriteLog(QByteArray ba)
	{
	emit signalWriteLog(ba);
	}

	bool MainWindow::git_callback(void cookie, char const ptr, int len)
	{
	auto mw = (MainWindow )cookie;
	mw->emitWriteLog(QByteArray(ptr, len));
	return true;
	}

	bool MainWindow::saveRepositoryBookmarks() const
	{
	QString path = getBookmarksFilePath();
	return RepositoryBookmark::save(path, &m->repos);
	}

	void MainWindow::saveRepositoryBookmark(RepositoryItem item)
	{
	if (item.local_dir.isEmpty()) return;

	if (item.name.isEmpty()) {
	item.name = tr("Unnamed");
	}

	bool done = false;
	for (auto &repo : m->repos) {
	RepositoryItem *p = &repo;
	if (item.local_dir == p->local_dir) {
	*p = item;
	done = true;
	break;
	}
	}
	if (!done) {
	m->repos.push_back(item);
	}
	saveRepositoryBookmarks();
	updateRepositoriesList();
	}

	void MainWindow::buildRepoTree(QString const &group, QTreeWidgetItem item, QList<RepositoryItem> repos)
	{
	QString name = item->text(0);
	if (isGroupItem(item)) {
	int n = item->childCount();
	for (int i = 0; i < n; i++) {
	QTreeWidgetItem *child = item->child(i);
	QString sub = group / name;
	buildRepoTree(sub, child, repos);
	}
	} else {
	RepositoryItem const *repo = repositoryItem(item);
	if (repo) {
	RepositoryItem newrepo = *repo;
	newrepo.name = name;
	newrepo.group = group;
	item->setData(0, IndexRole, repos->size());
	repos->push_back(newrepo);
	}
	}
	}

	void MainWindow::refrectRepositories()
	{
	QList<RepositoryItem> newrepos;
	int n = ui->treeWidget_repos->topLevelItemCount();
	for (int i = 0; i < n; i++) {
	QTreeWidgetItem *item = ui->treeWidget_repos->topLevelItem(i);
	buildRepoTree(QString(), item, &newrepos);
	}
	m->repos = std::move(newrepos);
	saveRepositoryBookmarks();
	}

	void MainWindow::onRepositoriesTreeDropped()
	{
	refrectRepositories();
	QTreeWidgetItem *item = ui->treeWidget_repos->currentItem();
	if (item) item->setExpanded(true);
	}

	const QPixmap &MainWindow::digitsPixmap() const
	{
	return m->digits;
	}

	int MainWindow::digitWidth() const
	{
	return 5;
	}

	int MainWindow::digitHeight() const
	{
	return 7;
	}

	void MainWindow::drawDigit(QPainter *pr, int x, int y, int n) const
	{
	int w = digitWidth();
	int h = digitHeight();
	pr->drawPixmap(x, y, w, h, m->digits, n * w, 0, w, h);
	}

	QString MainWindow::defaultWorkingDir() const
	{
	return appsettings()->default_working_dir;
	}

	QColor MainWindow::color(unsigned int i)
	{
	unsigned int n = m->graph_color.width();
	if (n > 0) {
	n--;
	if (i > n) i = n;
	QRgb const p = (QRgb const )m->graph_color.scanLine(0);
	return QColor(qRed(p[i]), qGreen(p[i]), qBlue(p[i]));
	}
	return Qt::black;
	}

	bool MainWindow::isThereUncommitedChanges() const
	{
	return m->uncommited_changes;
	}

	Git::CommitItemList const *MainWindow::logs() const
	{
	return &m->logs;
	}

	QString MainWindow::currentWorkingCopyDir() const
	{
	QString workdir = m->current_repo.local_dir;
	if (!workdir.isEmpty()) return workdir;

	QTreeWidgetItem *treeitem = ui->treeWidget_repos->currentItem();
	if (treeitem) {
	RepositoryItem const *repo = repositoryItem(treeitem);
	if (repo) {
	workdir = repo->local_dir;
	return workdir;
	}
	}

	return QString();
	}

	QString MainWindow::currentRepositoryName() const
	{
	return m->current_repo.name;
	}

	QString MainWindow::currentRemoteName() const
	{
	return m->current_remote;
	}

	Git::Branch const &MainWindow::currentBranch() const
	{
	return m->current_branch;
	}

	QString MainWindow::currentBranchName() const
	{
	return currentBranch().name;
	}

	GitPtr MainWindow::git(QString const &dir) const
	{
	const_cast<MainWindow *>(this)->checkGitCommand();

	GitPtr g = std::shared_ptr<Git>(new Git(m->gcx, dir));
	g->setLogCallback(git_callback, (void *)this);
	return g;
	}

	GitPtr MainWindow::git()
	{
	return git(currentWorkingCopyDir());
	}

	bool MainWindow::queryCommit(QString const &id, Git::CommitItem *out)
	{
	*out = Git::CommitItem();
	GitPtr g = git();
	return g->queryCommit(id, out);
	}

	void MainWindow::setLogEnabled(GitPtr g, bool f)
	{
	if (f) {
	g->setLogCallback(git_callback, this);
	} else {
	g->setLogCallback(nullptr, nullptr);
	}
	}

	QString MainWindow::makeRepositoryName(QString const &loc)
	{
	int i = loc.lastIndexOf('/');
	int j = loc.lastIndexOf('\\');
	if (i < j) i = j;
	if (i >= 0) {
	i++;
	j = loc.size();
	if (loc.endsWith(".git")) {
	j -= 4;
	}
	return loc.mid(i, j - i);
	}
	return QString();
	}

	RepositoryItem const MainWindow::findRegisteredRepository(QString workdir) const
	{
	workdir = QDir(workdir).absolutePath();
	workdir->replace('\\', '/');

	if (Git::isValidWorkingCopy(*workdir)) {
	for (RepositoryItem const &item : m->repos) {
	Qt::CaseSensitivity cs = Qt::CaseSensitive;
	#ifdef Q_OS_WIN
	cs = Qt::CaseInsensitive;
	#endif
	if (workdir->compare(item.local_dir, cs) == 0) {
	return &item;
	}
	}
	}
	return nullptr;
	}

	int MainWindow::repositoryIndex_(QTreeWidgetItem const *item) const
	{
	if (item) {
	int i = item->data(0, IndexRole).toInt();
	if (i >= 0 && i < m->repos.size()) {
	return i;
	}
	}
	return -1;
	}

	RepositoryItem const MainWindow::repositoryItem(QTreeWidgetItem const item) const
	{
	int row = repositoryIndex_(item);
	if (row >= 0 && row < m->repos.size()) {
	return &m->repos[row];
	}
	return nullptr;
	}

	static QTreeWidgetItem *newQTreeWidgetItem()
	{
	auto *item = new QTreeWidgetItem;
	item->setSizeHint(0, QSize(20, 20));
	return item;
	}

	QTreeWidgetItem *MainWindow::newQTreeWidgetFolderItem(QString const &name)
	{
	QTreeWidgetItem *item = newQTreeWidgetItem();
	item->setText(0, name);
	item->setData(0, IndexRole, GroupItem);
	item->setIcon(0, m->folder_icon);
	item->setFlags(item->flags() \| Qt::ItemIsEditable);
	return item;
	}

	void MainWindow::updateRepositoriesList()
	{
	QString path = getBookmarksFilePath();

	m->repos = RepositoryBookmark::load(path);

	QString filter = m->repository_filter_text;

	ui->treeWidget_repos->clear();

	std::map<QString, QTreeWidgetItem *> parentmap;

	for (int i = 0; i < m->repos.size(); i++) {
	RepositoryItem const &repo = m->repos[i];
	if (!filter.isEmpty() && repo.name.indexOf(filter, 0, Qt::CaseInsensitive) < 0) {
	continue;
	}
	QTreeWidgetItem *parent = nullptr;
	{
	QString group = repo.group;
	if (group.startsWith('/')) {
	group = group.mid(1);
	}
	auto it = parentmap.find(group);
	if (it != parentmap.end()) {
	parent = it->second;
	}
	if (!parent) {
	QStringList list = group.split('/', QString::SkipEmptyParts);
	if (list.isEmpty()) {
	list.push_back(tr("Default"));
	}
	for (QString const &name : list) {
	if (name.isEmpty()) continue;
	if (!parent) {
	auto it = parentmap.find(name);
	if (it != parentmap.end()) {
	parent = it->second;
	} else {
	parent = newQTreeWidgetFolderItem(name);
	ui->treeWidget_repos->addTopLevelItem(parent);
	}
	} else {
	QTreeWidgetItem *child = newQTreeWidgetFolderItem(name);
	parent->addChild(child);
	parent = child;
	}
	parent->setExpanded(true);
	}
	Q_ASSERT(parent);
	parentmap[group] = parent;
	}
	parent->setData(0, FilePathRole, "");
	}
	QTreeWidgetItem *child = newQTreeWidgetItem();
	child->setText(0, repo.name);
	child->setData(0, IndexRole, i);
	child->setIcon(0, m->repository_icon);
	child->setFlags(child->flags() & ~Qt::ItemIsDropEnabled);
	parent->addChild(child);
	parent->setExpanded(true);
	}
	}

	void MainWindow::showFileList(FilesListType files_list_type)
	{
	switch (files_list_type) {
	case FilesListType::SingleList:
	ui->stackedWidget->setCurrentWidget(ui->page_files);
	break;
	case FilesListType::SideBySide:
	ui->stackedWidget->setCurrentWidget(ui->page_uncommited);
	break;
	}
	}

	void MainWindow::clearFileList()
	{
	showFileList(FilesListType::SingleList);
	ui->listWidget_unstaged->clear();
	ui->listWidget_staged->clear();
	ui->listWidget_files->clear();
	}

	void MainWindow::clearDiffView()
	{
	ui->widget_diff_view->clearDiffView();
	}

	void MainWindow::clearRepositoryInfo()
	{
	m->head_id = QString();
	m->current_branch = Git::Branch();
	m->server_type = ServerType::Standard;
	m->github = GitHubRepositoryInfo();
	ui->label_repo_name->setText(QString());
	ui->label_branch_name->setText(QString());

	}

	void MainWindow::setRepositoryInfo(QString const &reponame, QString const &brname)
	{
	ui->label_repo_name->setText(reponame);
	ui->label_branch_name->setText(brname);
	}

	void MainWindow::setUnknownRepositoryInfo()
	{
	setRepositoryInfo("---", "");

	Git g(m->gcx, QString());
	Git::User user = g.getUser(Git::Source::Global);
	setWindowTitle_(user);
	}

	bool MainWindow::makeDiff(QString id, QList<Git::Diff> *out)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return false;

	Git::FileStatusList list = g->status();
	m->uncommited_changes = !list.empty();

	if (id.isEmpty() && !isThereUncommitedChanges()) {
	id = m->objcache.revParse("HEAD");
	}

	bool uncommited = (id.isEmpty() && isThereUncommitedChanges());

	GitDiff dm(&m->objcache);
	if (uncommited) {
	dm.diff_uncommited(out);
	} else {
	dm.diff(id, out);
	}

	return true; // success
	}

	void MainWindow::addDiffItems(QList<Git::Diff> const *diff_list, std::function<void(QString const &filename, QString header, int idiff)> const &add_item)
	{
	for (int idiff = 0; idiff < diff_list->size(); idiff++) {
	Git::Diff const &diff = diff_list->at(idiff);
	QString header;

	switch (diff.type) {
	case Git::Diff::Type::Modify: header = "(chg) "; break;
	case Git::Diff::Type::Copy: header = "(cpy) "; break;
	case Git::Diff::Type::Rename: header = "(ren) "; break;
	case Git::Diff::Type::Create: header = "(add) "; break;
	case Git::Diff::Type::Delete: header = "(del) "; break;
	case Git::Diff::Type::ChType: header = "(chg) "; break;
	case Git::Diff::Type::Unmerged: header = "(unmerged) "; break;
	}

	add_item(diff.path, header, idiff);
	}
	}

	void MainWindow::updateFilesList(QString id, bool wait)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	if (!wait) return;

	clearFileList();

	Git::FileStatusList stats = g->status();
	m->uncommited_changes = !stats.empty();

	FilesListType files_list_type = FilesListType::SingleList;

	bool staged = false;
	auto AddItem = [&](QString const &filename, QString header, int idiff){
	if (header.isEmpty()) {
	header = "(??\?) "; // damn trigraph
	}
	QListWidgetItem *item = new QListWidgetItem(header + filename);
	item->setData(FilePathRole, filename);
	item->setData(DiffIndexRole, idiff);
	item->setData(HunkIndexRole, -1);
	switch (files_list_type) {
	case FilesListType::SingleList:
	ui->listWidget_files->addItem(item);
	break;
	case FilesListType::SideBySide:
	if (staged) {
	ui->listWidget_staged->addItem(item);
	} else {
	ui->listWidget_unstaged->addItem(item);
	}
	break;
	}
	};

	if (id.isEmpty()) {
	bool uncommited = isThereUncommitedChanges();
	if (uncommited) {
	files_list_type = FilesListType::SideBySide;
	}
	if (!makeDiff(uncommited ? QString() : id, &m->diff.result)) {
	return;
	}

	std::map<QString, int> diffmap;

	for (int idiff = 0; idiff < m->diff.result.size(); idiff++) {
	Git::Diff const &diff = m->diff.result[idiff];
	QString filename = diff.path;
	if (!filename.isEmpty()) {
	diffmap[filename] = idiff;
	}
	}

	showFileList(files_list_type);

	for (Git::FileStatus const &s : stats) {
	staged = (s.isStaged() && s.code_y() == ' ');
	int idiff = -1;
	QString header;
	auto it = diffmap.find(s.path1());
	if (it != diffmap.end()) {
	idiff = it->second;
	}
	QString path = s.path1();
	if (s.code() == Git::FileStatusCode::Unknown) {
	qDebug() << "something wrong...";
	} else if (s.code() == Git::FileStatusCode::Untracked) {
	// nop
	} else if (s.isUnmerged()) {
	header += "(unmerged) ";
	} else if (s.code() == Git::FileStatusCode::AddedToIndex) {
	header = "(add) ";
	} else if (s.code_x() == 'D' \|\| s.code_y() == 'D' \|\| s.code() == Git::FileStatusCode::DeletedFromIndex) {
	header = "(del) ";
	} else if (s.code_x() == 'R' \|\| s.code() == Git::FileStatusCode::RenamedInIndex) {
	header = "(ren) ";
	path = s.path2(); // renamed newer path
	} else if (s.code_x() == 'M' \|\| s.code_y() == 'M') {
	header = "(chg) ";
	}
	AddItem(path, header, idiff);
	}
	} else {
	if (!makeDiff(id, &m->diff.result)) {
	return;
	}
	showFileList(files_list_type);
	addDiffItems(&m->diff.result, AddItem);
	}

	for (Git::Diff const &diff : m->diff.result) {
	QString key = GitDiff::makeKey(diff);
	m->diff_cache[key] = diff;
	}
	}

	void MainWindow::updateFilesList(QString id, QList<Git::Diff> diff_list, QListWidget listwidget)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	listwidget->clear();

	auto AddItem = [&](QString const &filename, QString header, int idiff){
	if (header.isEmpty()) {
	header = "(??\?) "; // damn trigraph
	}
	QListWidgetItem *item = new QListWidgetItem(header + filename);
	item->setData(FilePathRole, filename);
	item->setData(DiffIndexRole, idiff);
	item->setData(HunkIndexRole, -1);
	listwidget->addItem(item);
	};

	GitDiff dm(&m->objcache);
	if (!dm.diff(id, diff_list)) return;

	addDiffItems(diff_list, AddItem);
	}

	void MainWindow::updateFilesList(Git::CommitItem const &commit, bool wait)
	{
	QString id;
	if (Git::isUncommited(commit)) {
	// empty id for uncommited changes
	} else {
	id = commit.commit_id;
	}
	updateFilesList(id, wait);
	}

	void MainWindow::updateCurrentFilesList()
	{
	QTableWidgetItem *item = ui->tableWidget_log->item(selectedLogIndex(), 0);
	if (!item) return;
	int row = item->data(IndexRole).toInt();
	int logs = (int)m->logs.size();
	if (row < logs) {
	updateFilesList(m->logs[row], true);
	}
	}

	void MainWindow::setRemoteChanged(bool f)
	{
	m->remote_changed = f;
	updateButton();
	}

	void MainWindow::prepareLogTableWidget()
	{
	QStringList cols = {
	tr("Graph"),
	tr("Commit"),
	tr("Date"),
	tr("Author"),
	tr("Description"),
	};
	int n = cols.size();
	ui->tableWidget_log->setColumnCount(n);
	ui->tableWidget_log->setRowCount(0);
	for (int i = 0; i < n; i++) {
	QString const &text = cols[i];
	auto *item = new QTableWidgetItem(text);
	ui->tableWidget_log->setHorizontalHeaderItem(i, item);
	}

	updateCommitGraph(); // コミットグラフを更新
	}

	void MainWindow::clearAuthentication()
	{
	m->ssh_passphrase_for.clear();
	m->ssh_passphrase_secret.clear();
	m->http_uid.clear();
	m->http_pwd.clear();
	}

	void MainWindow::setCurrentRepository(RepositoryItem const &repo, bool clear_authentication)
	{
	if (clear_authentication) {
	clearAuthentication();
	}
	m->current_repo = repo;
	}

	bool MainWindow::isValidWorkingCopy(GitPtr const &g) const
	{
	return g && g->isValidWorkingCopy();
	}

	void MainWindow::queryRemotes(GitPtr g)
	{
	m->remotes = g->getRemotes();
	std::sort(m->remotes.begin(), m->remotes.end());
	}

	void MainWindow::queryBranches(GitPtr g)
	{
	Q_ASSERT(g);
	m->branch_map.clear();
	QList<Git::Branch> branches = g->branches();
	for (Git::Branch const &b : branches) {
	if (b.isCurrent()) {
	m->current_branch = b;
	}
	m->branch_map[b.id].append(b);
	}
	}

	void MainWindow::updateRemoteInfo()
	{
	queryRemotes(git());

	m->current_remote = QString();
	{
	Git::Branch const &r = currentBranch();
	m->current_remote = r.remote;
	}
	if (m->current_remote.isEmpty()) {
	if (m->remotes.size() == 1) {
	m->current_remote = m->remotes[0];
	}
	}

	ui->lineEdit_remote->setText(m->current_remote);
	}

	QList<Git::Branch> MainWindow::findBranch(QString const &id)
	{
	auto it = m->branch_map.find(id);
	if (it != m->branch_map.end()) {
	return it->second;
	}
	return QList<Git::Branch>();
	}

	QString MainWindow::abbrevCommitID(Git::CommitItem const &commit)
	{
	return commit.commit_id.mid(0, 7);
	}

	-QString MainWindow::findFileID(GitPtr /g/, const QString &commit_id, const QString &file)
	+QString MainWindow::findFileID(GitPtr /g/, QString const &commit_id, QString const &file)
	{
	return lookupFileID(&m->objcache, commit_id, file);
	}

	bool MainWindow::isGitHub() const
	{
	return m->server_type == ServerType::GitHub;
	}

	void MainWindow::updateCommitTableLater()
	{
	m->update_commit_table_counter = 200;
	}

	void MainWindow::onAvatarUpdated()
	{
	updateCommitTableLater();
	}

	bool MainWindow::isAvatarEnabled() const
	{
	return appsettings()->get_committer_icon;
	}

	Git::CommitItem const *MainWindow::commitItem(int row) const
	{
	if (row >= 0 && row < (int)m->logs.size()) {
	return &m->logs[row];
	}
	return nullptr;
	}

	QIcon MainWindow::verifiedIcon(char s) const
	{
	Git::SignatureGrade g = Git::evaluateSignature(s);
	switch (g) {
	case Git::SignatureGrade::Good:
	return m->signature_good_icon;
	case Git::SignatureGrade::Bad:
	return m->signature_bad_icon;
	case Git::SignatureGrade::Unknown:
	case Git::SignatureGrade::Dubious:
	case Git::SignatureGrade::Missing:
	return m->signature_dubious_icon;
	}
	return QIcon();
	}

	QIcon MainWindow::committerIcon(int row) const
	{
	QIcon icon;
	if (isAvatarEnabled()) {
	if (row >= 0 && row < (int)m->logs.size()) {
	Git::CommitItem const &commit = m->logs[row];
	if (commit.email.indexOf('@') > 0) {
	std::string email = commit.email.toStdString();
	icon = m->avatar_loader.fetch(email, true); // from gavatar
	}
	}
	}
	return icon;
	}

	QList<MainWindow::Label> const *MainWindow::label(int row)
	{
	auto it = m->label_map.find(row);
	if (it != m->label_map.end()) {
	return &it->second;
	}
	return nullptr;
	}

	QString MainWindow::makeCommitInfoText(int row, QList<Label> *label_list)
	{
	QString message_ex;
	Git::CommitItem const *commit = &m->logs[row];
	{ // branch
	if (label_list) {
	if (commit->commit_id == m->head_id) {
	Label label(Label::Head);
	label.text = "HEAD";
	label_list->push_back(label);
	}
	}
	QList<Git::Branch> list = findBranch(commit->commit_id);
	for (Git::Branch const &b : list) {
	if (b.flags & Git::Branch::HeadDetachedAt) continue;
	if (b.flags & Git::Branch::HeadDetachedFrom) continue;
	Label label(Label::LocalBranch);
	label.text = b.name;
	if (!b.remote.isEmpty()) {
	label.kind = Label::RemoteBranch;
	label.text = "remotes" / b.remote / label.text;
	}
	if (b.ahead > 0) {
	label.text += tr(", %1 ahead").arg(b.ahead);
	}
	if (b.behind > 0) {
	label.text += tr(", %1 behind").arg(b.behind);
	}
	message_ex += " {" + label.text + '}';
	if (label_list) label_list->push_back(label);
	}
	}
	{ // tag
	QList<Git::Tag> list = findTag(commit->commit_id);
	for (Git::Tag const &t : list) {
	Label label(Label::Tag);
	label.text = t.name;
	message_ex += QString(" {#%1}").arg(label.text);
	if (label_list) label_list->push_back(label);
	}
	}
	return message_ex;
	}

	void MainWindow::setWindowTitle_(Git::User const &user)
	{
	if (user.name.isEmpty() && user.email.isEmpty()) {
	setWindowTitle(qApp->applicationName());
	} else {
	setWindowTitle(QString("%1 : %2 <%3>")
	.arg(qApp->applicationName())
	.arg(user.name)
	.arg(user.email)
	);
	}
	}

	void MainWindow::updateWindowTitle(GitPtr g)
	{
	if (isValidWorkingCopy(g)) {
	Git::User user = g->getUser(Git::Source::Default);
	setWindowTitle_(user);
	} else {
	setUnknownRepositoryInfo();
	}
	}

	QStringList MainWindow::remotes() const
	{
	return m->remotes;
	}

	int MainWindow::limitLogCount() const
	{
	int n = appsettings()->maximum_number_of_commit_item_acquisitions;
	return (n >= 1 && n <= 100000) ? n : 10000;
	}

	struct TemporaryCommitItem {
	Git::CommitItem const *commit;
	std::vector<TemporaryCommitItem *> children;
	};

	Git::CommitItemList MainWindow::retrieveCommitLog(GitPtr g)
	{
	Git::CommitItemList list = g->log(limitLogCount());

	// 親子関係を調べて、順番が狂っていたら、修正する。

	std::set<QString> set;

	size_t i = 0;
	while (i < list.size()) {
	size_t newpos = -1;
	for (QString const &parent : list[i].parent_ids) {
	auto it = set.find(parent);
	if (it != set.end()) {
	for (size_t j = 0; j < i; j++) {
	if (parent == list[j].commit_id) {
	if (newpos == (size_t)-1 \|\| j < newpos) {
	newpos = j;
	}
	qDebug() << "fix commit order" << parent;
	break;
	}
	}
	}
	}
	set.insert(set.end(), list[i].commit_id);
	if (newpos != (size_t)-1) {
	Git::CommitItem t = list[newpos];
	list.erase(list.begin() + newpos);
	list.insert(list.begin() + i, t);
	}
	i++;
	}

	return list;
	}

	void MainWindow::detectGitServerType(GitPtr g)
	{
	m->server_type = ServerType::Standard;
	m->github = GitHubRepositoryInfo();

	QString push_url;
	QList<Git::Remote> remotes;
	g->getRemoteURLs(&remotes);
	for (Git::Remote const &r : remotes) {
	if (r.purpose == "push") {
	push_url = r.url;
	}
	}

	auto Check = [&](QString const &s){
	int i = push_url.indexOf(s);
	if (i > 0) return i + s.size();
	return 0;
	};

	// check GitHub
	int pos = Check("@github.com:");
	if (pos == 0) {
	pos = Check("://github.com/");
	}
	if (pos > 0) {
	int end = push_url.size();
	{
	QString s = ".git";
	if (push_url.endsWith(s)) {
	end -= s.size();
	}
	}
	QString s = push_url.mid(pos, end - pos);
	int i = s.indexOf('/');
	if (i > 0) {
	QString user = s.mid(0, i);
	QString repo = s.mid(i + 1);
	m->github.owner_account_name = user;
	m->github.repository_name = repo;
	}
	m->server_type = ServerType::GitHub;
	}
	}

	bool MainWindow::fetch(GitPtr g)
	{
	m->pty_condition = PtyCondition::Fetch;
	m->pty_process_ok = true;
	g->fetch(&m->pty_process);
	while (1) {
	if (m->pty_process.wait(1)) break;
	QApplication::processEvents();
	}
	return m->pty_process_ok;
	}

	void MainWindow::clearLog()
	{
	m->logs.clear();
	m->label_map.clear();
	m->uncommited_changes = false;
	ui->tableWidget_log->clearContents();
	ui->tableWidget_log->scrollToTop();
	}

	void MainWindow::openRepository_(GitPtr g)
	{
	m->objcache.setup(g);

	if (isValidWorkingCopy(g)) {

	bool do_fetch = isRemoteOnline() && (m->force_fetch \|\| appsettings()->automatically_fetch_when_opening_the_repository);
	m->force_fetch = false;
	if (do_fetch) {
	if (!fetch(g)) {
	return;
	}
	}

	clearLog();
	clearRepositoryInfo();

	detectGitServerType(g);

	updateFilesList(QString(), true);

	bool canceled = false;
	ui->tableWidget_log->setEnabled(false);

	// ログを取得
	m->logs = retrieveCommitLog(g);
	// ブランチを取得
	queryBranches(g);
	// タグを取得
	m->tag_map.clear();
	QList<Git::Tag> tags = g->tags();
	for (Git::Tag const &tag : tags) {
	Git::Tag t = tag;
	t.id = m->objcache.getCommitIdFromTag(t.id);
	m->tag_map[t.id].push_back(t);
	}

	ui->tableWidget_log->setEnabled(true);
	updateCommitTableLater();
	if (canceled) return;

	QString branch_name;
	if (currentBranch().flags & Git::Branch::HeadDetachedAt) {
	branch_name += QString("(HEAD detached at %1)").arg(currentBranchName());
	}
	if (currentBranch().flags & Git::Branch::HeadDetachedFrom) {
	branch_name += QString("(HEAD detached from %1)").arg(currentBranchName());
	}
	if (branch_name.isEmpty()) {
	branch_name = currentBranchName();
	}

	QString repo_name = currentRepositoryName();
	setRepositoryInfo(repo_name, branch_name);
	} else {
	clearLog();
	clearRepositoryInfo();
	}

	updateRemoteInfo();

	updateWindowTitle(g);

	m->head_id = m->objcache.revParse("HEAD");

	if (isThereUncommitedChanges()) {
	Git::CommitItem item;
	item.parent_ids.push_back(m->current_branch.id);
	item.message = tr("Uncommited changes");
	m->logs.insert(m->logs.begin(), item);
	}

	prepareLogTableWidget();

	int count = m->logs.size();

	ui->tableWidget_log->setRowCount(count);

	int selrow = -1;

	for (int row = 0; row < count; row++) {
	Git::CommitItem const *commit = &m->logs[row];
	{
	auto *item = new QTableWidgetItem;
	item->setData(IndexRole, row);
	ui->tableWidget_log->setItem(row, 0, item);
	}
	int col = 1; // カラム0はコミットグラフなので、その次から
	auto AddColumn = [&](QString const &text, bool bold, QString const &tooltip){
	auto *item = new QTableWidgetItem(text);
	if (!tooltip.isEmpty()) {
	QString tt = tooltip;
	tt.replace('\n', ' ');
	tt = tt.toHtmlEscaped();
	tt = "<p style='white-space: pre'>" + tt + "</p>";
	item->setToolTip(tt);
	}
	if (bold) {
	QFont font = item->font();
	font.setBold(true);
	item->setFont(font);
	}
	ui->tableWidget_log->setItem(row, col, item);
	col++;
	};
	QString commit_id;
	QString datetime;
	QString author;
	QString message;
	QString message_ex;
	bool isHEAD = commit->commit_id == m->head_id;
	bool bold = false;
	{
	if (Git::isUncommited(*commit)) { // 未コミットの時
	bold = true; // 太字
	selrow = row;
	} else {
	if (isHEAD && !isThereUncommitedChanges()) { // HEADで、未コミットがないとき
	bold = true; // 太字
	selrow = row;
	}
	commit_id = abbrevCommitID(*commit);
	}
	datetime = misc::makeDateTimeString(commit->commit_date);
	author = commit->author;
	message = commit->message;
	message_ex = makeCommitInfoText(row, &m->label_map[row]);
	}
	AddColumn(commit_id, false, QString());
	AddColumn(datetime, false, QString());
	AddColumn(author, false, QString());
	AddColumn(message, bold, message + message_ex);
	ui->tableWidget_log->setRowHeight(row, 24);
	}
	ui->tableWidget_log->resizeColumnsToContents();
	ui->tableWidget_log->horizontalHeader()->setStretchLastSection(false);
	ui->tableWidget_log->horizontalHeader()->setStretchLastSection(true);

	m->last_focused_file_list = nullptr;

	ui->tableWidget_log->setFocus();
	setCurrentLogRow(0);

	QTableWidgetItem *p = ui->tableWidget_log->item(selrow < 0 ? 0 : selrow, 2);
	ui->tableWidget_log->setCurrentItem(p);

	m->remote_watcher.setCurrent(currentRemoteName(), currentBranchName());

	checkRemoteUpdate();
	doUpdateButton();
	}

	void MainWindow::removeRepositoryFromBookmark(int index, bool ask)
	{
	if (ask) {
	int r = QMessageBox::warning(this, tr("Confirm Remove"), tr("Are you sure you want to remove the repository from bookmarks ?") + '\n' + tr("(Files will NOT be deleted)"), QMessageBox::Ok, QMessageBox::Cancel);
	if (r != QMessageBox::Ok) return;
	}
	if (index >= 0 && index < m->repos.size()) {
	m->repos.erase(m->repos.begin() + index);
	saveRepositoryBookmarks();
	updateRepositoriesList();
	}
	}

	void MainWindow::removeSelectedRepositoryFromBookmark(bool ask)
	{
	int i = indexOfRepository(ui->treeWidget_repos->currentItem());
	removeRepositoryFromBookmark(i, ask);
	}

	void MainWindow::openRepository(bool validate, bool waitcursor)
	{
	if (validate) {
	QString dir = currentWorkingCopyDir();
	if (!QFileInfo(dir).isDir()) {
	int r = QMessageBox::warning(this, tr("Open Repository"), dir + "\n\n" + tr("No such folder") + "\n\n" + tr("Remove from bookmark ?"), QMessageBox::Ok, QMessageBox::Cancel);
	if (r == QMessageBox::Ok) {
	removeSelectedRepositoryFromBookmark(false);
	}
	return;
	}
	if (!Git::isValidWorkingCopy(dir)) {
	QMessageBox::warning(this, tr("Open Repository"), tr("Not a valid git repository") + "\n\n" + dir);
	return;
	}
	}

	if (waitcursor) {
	OverrideWaitCursor;
	openRepository(false, false);
	return;
	}

	GitPtr g = git(); // ポインタの有効性チェックはしない（nullptrでも続行）
	openRepository_(g);
	}

	void MainWindow::reopenRepository(bool log, std::function<void(GitPtr g)> callback)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	OverrideWaitCursor;
	if (log) {
	setLogEnabled(g, true);
	AsyncExecGitThread_ th(g, callback);
	th.start();
	while (1) {
	if (th.wait(1)) break;
	QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
	}
	setLogEnabled(g, false);
	} else {
	callback(g);
	}
	openRepository_(g);
	}

	void MainWindow::doUpdateButton()
	{
	setNetworkingCommandsEnabled(isRemoteOnline());

	Git::Branch b = currentBranch();

	int n;

	ui->toolButton_fetch->setDot(m->remote_changed);

	n = b.ahead > 0 ? b.ahead : -1;
	ui->toolButton_push->setNumber(n);

	n = b.behind > 0 ? b.behind : -1;
	ui->toolButton_pull->setNumber(n);
	}

	void MainWindow::autoOpenRepository(QString dir)
	{
	auto Open = [&](RepositoryItem const &item){
	setCurrentRepository(item, true);
	openRepository(false, true);
	};

	RepositoryItem const *repo = findRegisteredRepository(&dir);
	if (repo) {
	Open(*repo);
	return;
	}

	RepositoryItem newitem;
	GitPtr g = git(dir);
	if (isValidWorkingCopy(g)) {
	ushort const *left = dir.utf16();
	ushort const *right = left + dir.size();
	if (right[-1] == '/' \|\| right[-1] == '\\') {
	right--;
	}
	ushort const *p = right;
	while (left + 1 < p && !(p[-1] == '/' \|\| p[-1] == '\\')) p--;
	if (p < right) {
	newitem.local_dir = dir;
	newitem.name = QString::fromUtf16(p, right - p);
	saveRepositoryBookmark(newitem);
	Open(newitem);
	return;
	}
	} else {
	DoYouWantToInitDialog dlg(this, dir);
	if (dlg.exec() == QDialog::Accepted) {
	createRepository(dir);
	}
	}
	}

	void MainWindow::openSelectedRepository()
	{
	QTreeWidgetItem *treeitem = ui->treeWidget_repos->currentItem();
	RepositoryItem const *item = repositoryItem(treeitem);
	if (item) {
	setCurrentRepository(*item, true);
	openRepository(true);
	}
	}

	QString MainWindow::getBookmarksFilePath() const
	{
	return global->app_config_dir / "bookmarks.xml";
	}



	void MainWindow::commit(bool amend)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	while (1) {
	Git::User user = g->getUser(Git::Source::Default);
	QString sign_id = g->signingKey(Git::Source::Default);
	gpg::Data key;
	{
	QList<gpg::Data> keys;
	gpg::listKeys(global->gpg_command, &keys);
	for (gpg::Data const &k : keys) {
	if (k.id == sign_id) {
	key = k;
	}
	}
	}
	CommitDialog dlg(this, currentRepositoryName(), user, key);
	if (amend) {
	dlg.setText(m->logs[0].message);
	}
	if (dlg.exec() == QDialog::Accepted) {
	QString text = dlg.text();
	if (text.isEmpty()) {
	QMessageBox::warning(this, tr("Commit"), tr("Commit message can not be omitted."));
	continue;
	}
	bool sign = dlg.isSigningEnabled();
	bool ok;
	if (amend) {
	ok = g->commit_amend_m(text, sign, &m->pty_process);
	} else {
	ok = g->commit(text, sign, &m->pty_process);
	}
	if (ok) {
	m->force_fetch = true;
	openRepository(true);
	} else {
	QString err = g->errorMessage().trimmed();
	err += "\n*** ";
	err += tr("Failed to commit");
	err += " ***\n";
	writeLog(err);
	}
	}
	break;
	}
	}

	void MainWindow::commit_amend()
	{
	commit(true);
	}


	void MainWindow::updateStatusBarText()
	{
	QString text;

	QWidget *w = qApp->focusWidget();
	if (w == ui->treeWidget_repos) {
	QTreeWidgetItem *ite = ui->treeWidget_repos->currentItem();
	RepositoryItem const *item = repositoryItem(ite);
	if (item) {
	text = QString("%1 : %2")
	.arg(item->name)
	.arg(misc::normalizePathSeparator(item->local_dir))
	;
	}
	} else if (w == ui->tableWidget_log) {
	QTableWidgetItem *item = ui->tableWidget_log->item(selectedLogIndex(), 0);
	if (item) {
	int row = item->data(IndexRole).toInt();
	if (row < (int)m->logs.size()) {
	Git::CommitItem const &commit = m->logs[row];
	if (Git::isUncommited(commit)) {
	text = tr("Uncommited changes");
	} else {
	QString id = commit.commit_id;
	text = QString("%1 : %2%3")
	.arg(id.mid(0, 7))
	.arg(commit.message)
	.arg(makeCommitInfoText(row, nullptr))
	;
	}
	}
	}
	}

	setStatusBarText(text);
	}

	void MainWindow::execRepositoryPropertyDialog(QString workdir, bool open_repository_menu)
	{
	if (workdir.isEmpty()) {
	workdir = currentWorkingCopyDir();
	}
	QString name;
	RepositoryItem const *repo = findRegisteredRepository(&workdir);
	if (repo) {
	name = repo->name;
	} else {
	QMessageBox::warning(this, tr("Repository Property"), tr("Not a valid git repository") + "\n\n" + workdir);
	return;
	}
	if (name.isEmpty()) {
	name = makeRepositoryName(workdir);
	}
	GitPtr g = git(workdir);
	RepositoryPropertyDialog dlg(this, g, *repo, open_repository_menu);
	dlg.exec();
	if (dlg.isRemoteChanged()) {
	updateRemoteInfo();
	}
	}



	void MainWindow::on_action_commit_triggered()
	{
	commit();
	}

	void MainWindow::on_action_fetch_triggered()
	{
	if (!isRemoteOnline()) return;

	reopenRepository(true, [&](GitPtr g){
	fetch(g);
	});
	}

	void MainWindow::on_action_push_triggered()
	{
	if (!isRemoteOnline()) return;

	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	if (g->getRemotes().isEmpty()) {
	QMessageBox::warning(this, qApp->applicationName(), tr("No remote repository is registered."));
	execRepositoryPropertyDialog(QString(), true);
	return;
	}

	int exitcode = 0;
	QString errormsg;

	reopenRepository(true, [&](GitPtr g){
	g->push(false, &m->pty_process);
	while (1) {
	if (m->pty_process.wait(1)) break;
	QApplication::processEvents();
	}
	exitcode = m->pty_process.getExitCode();
	errormsg = m->pty_process.getMessage();
	});

	if (exitcode == 128) {
	if (errormsg.indexOf("no upstream branch") >= 0) {
	QString brname = currentBranchName();

	QString msg = tr("The current branch %1 has no upstream branch.");
	msg = msg.arg(brname);
	msg += '\n';
	msg += tr("You try push --set-upstream");
	QMessageBox::warning(this, qApp->applicationName(), msg);
	pushSetUpstream(false);
	return;
	}
	if (errormsg.indexOf("Connection refused") >= 0) {
	QMessageBox::critical(this, qApp->applicationName(), tr("Connection refused."));
	return;
	}
	}
	}

	void MainWindow::on_action_pull_triggered()
	{
	if (!isRemoteOnline()) return;

	reopenRepository(true, [&](GitPtr g){
	m->pty_condition = PtyCondition::Pull;
	m->pty_process_ok = true;
	g->pull(&m->pty_process);
	while (1) {
	if (m->pty_process.wait(1)) break;
	QApplication::processEvents();
	}
	});
	}

	void MainWindow::on_toolButton_push_clicked()
	{
	ui->action_push->trigger();
	}

	void MainWindow::on_toolButton_pull_clicked()
	{
	ui->action_pull->trigger();
	}

	void MainWindow::on_treeWidget_repos_currentItemChanged(QTreeWidgetItem * /current/, QTreeWidgetItem * /previous/)
	{
	updateStatusBarText();
	}

	void MainWindow::on_treeWidget_repos_itemDoubleClicked(QTreeWidgetItem * /item/, int /column/)
	{
	openSelectedRepository();
	}

	void MainWindow::execCommitPropertyDialog(QWidget parent, Git::CommitItem const commit)
	{
	CommitPropertyDialog dlg(parent, this, commit);
	dlg.exec();
	}

	QAction MainWindow::addMenuActionProperty(QMenu menu)
	{
	return menu->addAction(tr("&Property"));
	}

	int MainWindow::indexOfRepository(QTreeWidgetItem const *treeitem) const
	{
	if (!treeitem) return -1;
	return treeitem->data(0, IndexRole).toInt();
	}

	void MainWindow::on_treeWidget_repos_customContextMenuRequested(const QPoint &pos)
	{
	QTreeWidgetItem *treeitem = ui->treeWidget_repos->currentItem();
	if (!treeitem) return;

	RepositoryItem const *repo = repositoryItem(treeitem);

	int index = indexOfRepository(treeitem);
	if (isGroupItem(treeitem)) { // group item
	QMenu menu;
	QAction *a_add_new_group = menu.addAction(tr("&Add new group"));
	QAction *a_delete_group = menu.addAction(tr("&Delete group"));
	QAction *a_rename_group = menu.addAction(tr("&Rename group"));
	QPoint pt = ui->treeWidget_repos->mapToGlobal(pos);
	QAction *a = menu.exec(pt + QPoint(8, -8));
	if (a) {
	if (a == a_add_new_group) {
	QTreeWidgetItem *child = newQTreeWidgetFolderItem(tr("New group"));
	treeitem->addChild(child);
	child->setFlags(child->flags() \| Qt::ItemIsEditable);
	ui->treeWidget_repos->setCurrentItem(child);
	return;
	}
	if (a == a_delete_group) {
	QTreeWidgetItem *parent = treeitem->parent();
	if (parent) {
	int i = parent->indexOfChild(treeitem);
	delete parent->takeChild(i);
	} else {
	int i = ui->treeWidget_repos->indexOfTopLevelItem(treeitem);
	delete ui->treeWidget_repos->takeTopLevelItem(i);
	}
	refrectRepositories();
	return;
	}
	if (a == a_rename_group) {
	ui->treeWidget_repos->editItem(treeitem);
	return;
	}
	}
	} else if (repo) { // repository item
	QString open_terminal = tr("Open &terminal");
	QString open_commandprompt = tr("Open command promp&t");
	QMenu menu;
	QAction *a_open = menu.addAction(tr("&Open"));
	menu.addSeparator();
	#ifdef Q_OS_WIN
	QAction *a_open_terminal = menu.addAction(open_commandprompt);
	(void)open_terminal;
	#else
	QAction *a_open_terminal = menu.addAction(open_terminal);
	(void)open_commandprompt;
	#endif
	QAction *a_open_folder = menu.addAction(tr("Open &folder"));
	menu.addSeparator();
	QAction *a_remove = menu.addAction(tr("&Remove"));

	menu.addSeparator();
	QAction *a_properties = addMenuActionProperty(&menu);

	QPoint pt = ui->treeWidget_repos->mapToGlobal(pos);
	QAction *a = menu.exec(pt + QPoint(8, -8));
	if (a) {
	if (a == a_open) {
	openSelectedRepository();
	return;
	}
	if (a == a_open_folder) {
	openExplorer(repo);
	return;
	}
	if (a == a_open_terminal) {
	openTerminal(repo);
	return;
	}
	if (a == a_remove) {
	removeRepositoryFromBookmark(index, true);
	return;
	}
	if (a == a_properties) {
	execRepositoryPropertyDialog(repo->local_dir);
	return;
	}
	}
	}
	}

	void MainWindow::execCommitExploreWindow(QWidget parent, Git::CommitItem const commit)
	{
	CommitExploreWindow win(parent, this, &m->objcache, commit);
	win.exec();
	}

	void MainWindow::on_tableWidget_log_customContextMenuRequested(const QPoint &pos)
	{
	Git::CommitItem const *commit = selectedCommitItem();
	if (commit) {
	bool is_valid_commit_id = Git::isValidID(commit->commit_id);
	int row = selectedLogIndex();

	QMenu menu;

	QAction *a_copy_id_7_letters = menu.addAction(tr("Copy commit id (7 letters)"));
	QAction *a_copy_id_complete = menu.addAction(tr("Copy commit id (completely)"));

	menu.addSeparator();

	QAction *a_checkout = is_valid_commit_id ? menu.addAction(tr("Checkout/Branch...")) : nullptr;

	menu.addSeparator();

	QAction *a_edit_comment = nullptr;
	if (row == 0 && currentBranch().ahead > 0) {
	a_edit_comment = menu.addAction(tr("Edit comment..."));
	}

	QAction *a_merge = is_valid_commit_id ? menu.addAction(tr("Merge")) : nullptr;
	QAction *a_rebase = is_valid_commit_id ? menu.addAction(tr("Rebase")) : nullptr;
	QAction *a_cherrypick = is_valid_commit_id ? menu.addAction(tr("Cherry-pick")) : nullptr;
	QAction *a_edit_tags = is_valid_commit_id ? menu.addAction(tr("Edit tags...")) : nullptr;
	QAction *a_revert = is_valid_commit_id ? menu.addAction(tr("Revert")) : nullptr;

	QAction *a_reset_head = nullptr;
	#if 0 // 下手に使うと危険なので、とりあえず無効にしておく
	if (is_valid_commit_id && commit->commit_id == m->head_id) {
	a_reset_head = menu.addAction(tr("Reset HEAD"));
	}
	#endif

	menu.addSeparator();

	QAction *a_delbranch = is_valid_commit_id ? menu.addAction(tr("Delete branch...")) : nullptr;
	QAction *a_delrembranch = remoteBranches(commit->commit_id).isEmpty() ? nullptr : menu.addAction(tr("Delete remote branch..."));

	menu.addSeparator();

	QAction *a_explore = is_valid_commit_id ? menu.addAction(tr("Explore")) : nullptr;
	QAction *a_properties = addMenuActionProperty(&menu);

	QAction *a = menu.exec(ui->tableWidget_log->viewport()->mapToGlobal(pos) + QPoint(8, -8));
	if (a) {
	if (a == a_copy_id_7_letters) {
	qApp->clipboard()->setText(commit->commit_id.mid(0, 7));
	return;
	}
	if (a == a_copy_id_complete) {
	qApp->clipboard()->setText(commit->commit_id);
	return;
	}
	if (a == a_properties) {
	execCommitPropertyDialog(this, commit);
	return;
	}
	if (a == a_edit_comment) {
	commit_amend();
	return;
	}
	if (a == a_checkout) {
	checkout(this, commit);
	return;
	}
	if (a == a_delbranch) {
	deleteBranch(commit);
	return;
	}
	if (a == a_delrembranch) {
	deleteRemoteBranch(commit);
	return;
	}
	if (a == a_merge) {
	mergeBranch(commit);
	return;
	}
	if (a == a_rebase) {
	rebaseBranch(commit);
	return;
	}
	if (a == a_cherrypick) {
	cherrypick(commit);
	return;
	}
	if (a == a_edit_tags) {
	ui->action_edit_tags->trigger();
	return;
	}
	if (a == a_revert) {
	revertCommit();
	return;
	}
	if (a == a_explore) {
	execCommitExploreWindow(this, commit);
	return;
	}
	if (a == a_reset_head) {
	reopenRepository(false, [](GitPtr g){
	g->reset_head1();
	});
	return;
	}
	}
	}
	}

	void MainWindow::on_listWidget_files_customContextMenuRequested(const QPoint &pos)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	QMenu menu;
	QAction *a_delete = menu.addAction(tr("Delete"));
	QAction *a_untrack = menu.addAction(tr("Untrack"));
	QAction *a_history = menu.addAction(tr("History"));
	QAction *a_blame = menu.addAction(tr("Blame"));
	QAction *a_properties = addMenuActionProperty(&menu);

	QPoint pt = ui->listWidget_files->mapToGlobal(pos) + QPoint(8, -8);
	QAction *a = menu.exec(pt);
	if (a) {
	QListWidgetItem *item = ui->listWidget_files->currentItem();
	if (a == a_delete) {
	if (askAreYouSureYouWantToRun("Delete", tr("Delete selected files."))) {
	for_each_selected_files([&](QString const &path){
	g->removeFile(path);
	g->chdirexec([&](){
	QFile(path).remove();
	return true;
	});
	});
	openRepository(false);
	}
	} else if (a == a_untrack) {
	if (askAreYouSureYouWantToRun("Untrack", tr("rm --cached files"))) {
	for_each_selected_files([&](QString const &path){
	g->rm_cached(path);
	});
	openRepository(false);
	}
	} else if (a == a_history) {
	execFileHistory(item);
	} else if (a == a_blame) {
	blame(item);
	} else if (a == a_properties) {
	execFilePropertyDialog(item);
	}
	}
	}

	void MainWindow::on_listWidget_unstaged_customContextMenuRequested(const QPoint &pos)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	QList<QListWidgetItem *> items = ui->listWidget_unstaged->selectedItems();
	if (!items.isEmpty()) {
	QMenu menu;
	QAction *a_stage = menu.addAction(tr("Stage"));
	QAction *a_reset_file = menu.addAction(tr("Reset"));
	QAction *a_ignore = menu.addAction(tr("Ignore"));
	QAction *a_delete = menu.addAction(tr("Delete"));
	QAction *a_untrack = menu.addAction(tr("Untrack"));
	QAction *a_history = menu.addAction(tr("History"));
	QAction *a_blame = menu.addAction(tr("Blame"));
	QAction *a_properties = addMenuActionProperty(&menu);
	QPoint pt = ui->listWidget_unstaged->mapToGlobal(pos) + QPoint(8, -8);
	QAction *a = menu.exec(pt);
	if (a) {
	QListWidgetItem *item = ui->listWidget_unstaged->currentItem();
	if (a == a_stage) {
	for_each_selected_files([&](QString const &path){
	g->stage(path);
	});
	updateCurrentFilesList();
	return;
	}
	if (a == a_reset_file) {
	QStringList paths;
	for_each_selected_files([&](QString const &path){
	paths.push_back(path);
	});
	resetFile(paths);
	return;
	}
	if (a == a_ignore) {
	QString gitignore_path = currentWorkingCopyDir() / ".gitignore";
	if (items.size() == 1) {
	QString file = getFilePath(items[0]);
	EditGitIgnoreDialog dlg(this, gitignore_path, file);
	if (dlg.exec() == QDialog::Accepted) {
	QString appending = dlg.text();
	if (!appending.isEmpty()) {
	QString text;

	QString path = gitignore_path;
	path.replace('/', QDir::separator());

	{
	QFile file(path);
	if (file.open(QFile::ReadOnly)) {
	text += QString::fromUtf8(file.readAll());
	}
	}

	size_t n = text.size();
	if (n > 0 && text[(int)n - 1] != '\n') {
	text += '\n'; // 最後に改行を追加
	}

	text += appending + '\n';

	{
	QFile file(path);
	if (file.open(QFile::WriteOnly)) {
	file.write(text.toUtf8());
	}
	}
	updateCurrentFilesList();
	return;
	}
	} else {
	return;
	}
	}

	QString append;
	for_each_selected_files([&](QString const &path){
	if (path == ".gitignore") {
	// skip
	} else {
	append += path + '\n';
	}
	});
	if (TextEditDialog::editFile(this, gitignore_path, ".gitignore", append)) {
	updateCurrentFilesList();
	}
	return;
	}
	if (a == a_delete) {
	if (askAreYouSureYouWantToRun("Delete", "Delete selected files.")) {
	for_each_selected_files([&](QString const &path){
	g->removeFile(path);
	g->chdirexec([&](){
	QFile(path).remove();
	return true;
	});
	});
	openRepository(false);
	}
	return;
	}
	if (a == a_untrack) {
	if (askAreYouSureYouWantToRun("Untrack", "rm --cached")) {
	for_each_selected_files([&](QString const &path){
	g->rm_cached(path);
	});
	openRepository(false);
	}
	return;
	}
	if (a == a_history) {
	execFileHistory(item);
	return;
	}
	if (a == a_blame) {
	blame(item);
	return;
	}
	if (a == a_properties) {
	execFilePropertyDialog(item);
	return;
	}
	}
	}
	}

	void MainWindow::on_listWidget_staged_customContextMenuRequested(const QPoint &pos)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	QListWidgetItem *item = ui->listWidget_staged->currentItem();
	if (item) {
	QString path = getFilePath(item);
	QString fullpath = currentWorkingCopyDir() / path;
	if (QFileInfo(fullpath).isFile()) {
	QMenu menu;
	QAction *a_unstage = menu.addAction(tr("Unstage"));
	QAction *a_history = menu.addAction(tr("History"));
	QAction *a_blame = menu.addAction(tr("Blame"));
	QAction *a_properties = addMenuActionProperty(&menu);
	QPoint pt = ui->listWidget_staged->mapToGlobal(pos) + QPoint(8, -8);
	QAction *a = menu.exec(pt);
	if (a) {
	QListWidgetItem *item = ui->listWidget_unstaged->currentItem();
	if (a == a_unstage) {
	g->unstage(path);
	openRepository(false);
	} else if (a == a_history) {
	execFileHistory(item);
	} else if (a == a_blame) {
	blame(item);
	} else if (a == a_properties) {
	execFilePropertyDialog(item);
	}
	}
	}
	}
	}

	bool MainWindow::askAreYouSureYouWantToRun(QString const &title, QString const &command)
	{
	QString message = tr("Are you sure you want to run the following command ?");
	QString text = "%1\n\n%2";
	text = text.arg(message).arg(command);
	return QMessageBox::warning(this, title, text, QMessageBox::Ok, QMessageBox::Cancel) == QMessageBox::Ok;
	}

	void MainWindow::resetFile(QStringList const &paths)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	if (paths.isEmpty()) {
	// nop
	} else {
	QString cmd = "git checkout -- \"%1\"";
	cmd = cmd.arg(paths[0]);
	if (askAreYouSureYouWantToRun(tr("Reset a file"), "> " + cmd)) {
	for (QString const &path : paths) {
	g->resetFile(path);
	}
	openRepository(true);
	}
	}
	}

	void MainWindow::revertAllFiles()
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	QString cmd = "git reset --hard HEAD";
	if (askAreYouSureYouWantToRun(tr("Revert all files"), "> " + cmd)) {
	g->resetAllFiles();
	openRepository(true);
	}
	}

	QStringList MainWindow::selectedFiles_(QListWidget *listwidget) const
	{
	QStringList list;
	QList<QListWidgetItem *> items = listwidget->selectedItems();
	for (QListWidgetItem *item : items) {
	QString path = getFilePath(item);
	list.push_back(path);
	}
	return list;

	}

	QStringList MainWindow::selectedFiles() const
	{
	if (m->last_focused_file_list == ui->listWidget_files) return selectedFiles_(ui->listWidget_files);
	if (m->last_focused_file_list == ui->listWidget_staged) return selectedFiles_(ui->listWidget_staged);
	if (m->last_focused_file_list == ui->listWidget_unstaged) return selectedFiles_(ui->listWidget_unstaged);
	return QStringList();
	}

	void MainWindow::for_each_selected_files(std::function<void(QString const&)> fn)
	{
	for (QString path : selectedFiles()) {
	fn(path);
	}
	}

	void MainWindow::execFileHistory(QString const &path)
	{
	if (path.isEmpty()) return;

	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	FileHistoryWindow dlg(this);
	dlg.prepare(g, path);
	dlg.exec();
	}

	void MainWindow::execFileHistory(QListWidgetItem *item)
	{
	if (item) {
	QString path = getFilePath(item);
	if (!path.isEmpty()) {
	execFileHistory(path);
	}
	}
	}

	void MainWindow::addWorkingCopyDir(QString dir, QString name, bool open)
	{
	if (dir.endsWith(".git")) {
	int i = dir.size();
	if (i > 4) {
	ushort c = dir.utf16()[i - 5];
	if (c == '/' \|\| c == '\\') {
	dir = dir.mid(0, i - 5);
	}
	}
	}

	if (!Git::isValidWorkingCopy(dir)) {
	qDebug() << "Invalid working dir: " + dir;
	return;
	}

	if (name.isEmpty()) {
	name = makeRepositoryName(dir);
	}

	RepositoryItem item;
	item.local_dir = dir;
	item.name = name;
	saveRepositoryBookmark(item);

	if (open) {
	setCurrentRepository(item, true);
	GitPtr g = git(item.local_dir);
	openRepository_(g);
	}
	}

	void MainWindow::on_action_open_existing_working_copy_triggered()
	{
	QString dir = defaultWorkingDir();
	dir = QFileDialog::getExistingDirectory(this, tr("Add existing working copy"), dir);
	addWorkingCopyDir(dir, false);
	}

	void MainWindow::on_action_view_refresh_triggered()
	{
	openRepository(true);
	}

	void MainWindow::on_tableWidget_log_currentItemChanged(QTableWidgetItem * /current/, QTableWidgetItem * /previous/)
	{
	clearFileList();

	QTableWidgetItem *item = ui->tableWidget_log->item(selectedLogIndex(), 0);
	if (!item) return;

	int row = item->data(IndexRole).toInt();
	if (row < (int)m->logs.size()) {
	updateStatusBarText();
	m->update_files_list_counter = 200;
	}
	}

	void MainWindow::on_toolButton_stage_clicked()
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	g->stage(selectedFiles());
	updateCurrentFilesList();
	}

	void MainWindow::on_toolButton_unstage_clicked()
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	g->unstage(selectedFiles());
	updateCurrentFilesList();
	}

	void MainWindow::on_toolButton_select_all_clicked()
	{
	if (ui->listWidget_unstaged->count() > 0) {
	ui->listWidget_unstaged->setFocus();
	ui->listWidget_unstaged->selectAll();
	} else if (ui->listWidget_staged->count() > 0) {
	ui->listWidget_staged->setFocus();
	ui->listWidget_staged->selectAll();
	}
	}

	void MainWindow::on_toolButton_commit_clicked()
	{
	ui->action_commit->trigger();
	}

	-bool MainWindow::editFile(const QString &path, QString const &title)
	+bool MainWindow::editFile(QString const &path, QString const &title)
	{
	return TextEditDialog::editFile(this, path, title);
	}

	struct Task {
	int index = 0;
	int parent = 0;
	Task() = default;
	Task(int index, int parent)
	: index(index)
	, parent(parent)
	{
	}
	};

	struct Element {
	int depth = 0;
	std::vector<int> indexes;
	};

	void MainWindow::updateCommitGraph()
	{
	const size_t LogCount = m->logs.size();
	// 樹形図情報を構築する
	if (LogCount > 0) {
	auto LogItem = [&](size_t i)->Git::CommitItem &{ return m->logs[i]; };
	enum { // 有向グラフを構築するあいだ CommitItem::marker_depth をフラグとして使用する
	UNKNOWN = 0,
	KNOWN = 1,
	};
	for (Git::CommitItem &item : m->logs) {
	item.marker_depth = UNKNOWN;
	}
	// コミットハッシュを検索して、親コミットのインデックスを求める
	for (size_t i = 0; i < LogCount; i++) {
	Git::CommitItem *item = &LogItem(i);
	item->parent_lines.clear();
	if (item->parent_ids.empty()) {
	item->resolved = true;
	} else {
	for (int j = 0; j < item->parent_ids.size(); j++) { // 親の数だけループ
	QString const &parent_id = item->parent_ids[j]; // 親のハッシュ値
	for (size_t k = i + 1; k < LogCount; k++) { // 親を探す
	if (LogItem(k).commit_id == parent_id) { // ハッシュ値が一致したらそれが親
	item->parent_lines.emplace_back(k); // インデックス値を記憶
	LogItem(k).has_child = true;
	LogItem(k).marker_depth = KNOWN;
	item->resolved = true;
	break;
	}
	}
	}
	}
	}
	std::vector<Element> elements; // 線分リスト
	{ // 線分リストを作成する
	std::deque<Task> tasks; // 未処理タスクリスト
	{
	for (size_t i = 0; i < LogCount; i++) {
	Git::CommitItem *item = &LogItem(i);
	if (item->marker_depth == UNKNOWN) {
	int n = item->parent_lines.size(); // 最初のコミットアイテム
	for (int j = 0; j < n; j++) {
	tasks.emplace_back(i, j); // タスクを追加
	}
	}
	item->marker_depth = UNKNOWN;
	}
	}
	while (!tasks.empty()) { // タスクが残っているならループ
	Element e;
	Task task;
	{ // 最初のタスクを取り出す
	task = tasks.front();
	tasks.pop_front();
	}
	e.indexes.push_back(task.index); // 先頭のインデックスを追加
	int index = LogItem(task.index).parent_lines[task.parent].index; // 開始インデックス
	while (index > 0 && (size_t)index < LogCount) { // 最後に到達するまでループ
	e.indexes.push_back(index); // インデックスを追加
	int n = LogItem(index).parent_lines.size(); // 親の数
	if (n == 0) break; // 親がないなら終了
	Git::CommitItem *item = &LogItem(index);
	if (item->marker_depth == KNOWN) break; // 既知のアイテムに到達したら終了
	item->marker_depth = KNOWN; // 既知のアイテムにする
	for (int i = 1; i < n; i++) {
	tasks.emplace_back(index, i); // タスク追加
	}
	index = LogItem(index).parent_lines[0].index; // 次の親（親リストの先頭の要素）
	}
	if (e.indexes.size() >= 2) {
	elements.push_back(e);
	}
	}
	}
	// 線情報をクリア
	for (Git::CommitItem &item : m->logs) {
	item.marker_depth = -1;
	item.parent_lines.clear();
	}
	// マークと線の深さを決める
	if (!elements.empty()) {
	{ // 優先順位を調整する
	std::sort(elements.begin(), elements.end(), [](Element const &left, Element const &right){
	int i = 0;
	{ // 長いものを優先して左へ
	int l = left.indexes.back() - left.indexes.front();
	int r = right.indexes.back() - right.indexes.front();
	i = r - l; // 降順
	}
	if (i == 0) {
	// コミットが新しいものを優先して左へ
	int l = left.indexes.front();
	int r = right.indexes.front();
	i = l - r; // 昇順
	}
	return i < 0;
	});
	// 子の無いブランチ（タグ等）が複数連続しているとき、古いコミットを右に寄せる
	{
	for (size_t i = 0; i + 1 < elements.size(); i++) {
	Element *e = &elements[i];
	int index1 = e->indexes.front();
	if (index1 > 0 && !LogItem(index1).has_child) { // 子がない
	// 新しいコミットを探す
	for (size_t j = i + 1; j < elements.size(); j++) { // 現在位置より後ろを探す
	Element *f = &elements[j];
	int index2 = f->indexes.front();
	if (index1 == index2 + 1) { // 一つだけ新しいコミット
	Element t = std::move(*f);
	elements.erase(elements.begin() + j); // 移動元を削除
	elements.insert(elements.begin() + i, std::move(t)); // 現在位置に挿入
	}
	}
	// 古いコミットを探す
	size_t j = 0;
	while (j < i) { // 現在位置より前を探す
	Element *f = &elements[j];
	int index2 = f->indexes.front();
	if (index1 + 1 == index2) { // 一つだけ古いコミット
	Element t = std::move(*f);
	elements.erase(elements.begin() + j); // 移動元を削除
	elements.insert(elements.begin() + i, std::move(t)); // 現在位置の次に挿入
	index1 = index2;
	f = e;
	} else {
	j++;
	}
	}
	}
	}
	}
	}
	{ // 最初の線は深さを0にする
	Element *e = &elements.front();
	for (size_t i = 0; i < e->indexes.size(); i++) {
	int index = e->indexes[i];
	LogItem(index).marker_depth = 0; // マークの深さを設定
	e->depth = 0; // 線の深さを設定
	}
	}
	// 最初以外の線分の深さを決める
	for (size_t i = 1; i < elements.size(); i++) { // 最初以外をループ
	Element *e = &elements[i];
	int depth = 1;
	while (1) { // 失敗したら繰り返し
	for (size_t j = 0; j < i; j++) { // 既に処理済みの線を調べる
	Element const *f = &elements[j]; // 検査対象
	if (e->indexes.size() == 2) { // 二つしかない場合
	int from = e->indexes[0]; // 始点
	int to = e->indexes[1]; // 終点
	if (LogItem(from).has_child) {
	for (size_t k = 0; k + 1 < f->indexes.size(); k++) { // 検査対象の全ての線分を調べる
	int curr = f->indexes[k];
	int next = f->indexes[k + 1];
	if (from > curr && to == next) { // 決定済みの線に直結できるか判定
	e->indexes.back() = from + 1; // 現在の一行下に直結する
	e->depth = elements[j].depth; // 接続先の深さ
	goto DONE; // 決定
	}
	}
	}
	}
	if (depth == f->depth) { // 同じ深さ
	if (e->indexes.back() > f->indexes.front() && e->indexes.front() < f->indexes.back()) { // 重なっている
	goto FAIL; // この深さには線を置けないのでやりなおし
	}
	}
	}
	for (size_t j = 0; j < e->indexes.size(); j++) {
	int index = e->indexes[j];
	Git::CommitItem *item = &LogItem(index);
	if (j == 0 && item->has_child) { // 最初のポイントで子がある場合
	// nop
	} else if ((j > 0 && j + 1 < e->indexes.size()) \|\| item->marker_depth < 0) { // 最初と最後以外、または、未確定の場合
	item->marker_depth = depth; // マークの深さを設定
	}
	}
	e->depth = depth; // 深さを決定
	goto DONE; // 決定
	FAIL:;
	depth++; // 一段深くして再挑戦
	}
	DONE:;
	}
	// 線情報を生成する
	for (const auto & e : elements) {
	auto ColorNumber = [&](){ return e.depth; };
	size_t count = e.indexes.size();
	for (size_t j = 0; j + 1 < count; j++) {
	int curr = e.indexes[j];
	int next = e.indexes[j + 1];
	TreeLine line(next, e.depth);
	line.color_number = ColorNumber();
	line.bend_early = (j + 2 < count \|\| !LogItem(next).resolved);
	if (j + 2 == count) {
	if (count > 2 \|\| !LogItem(curr).has_child) { // 直結ではない、または、子がない
	line.depth = LogItem(next).marker_depth; // 合流する先のアイテムの深さと同じにする
	}
	}
	LogItem(curr).parent_lines.push_back(line); // 線を追加
	}
	}
	} else {
	if (LogCount == 1) { // コミットが一つだけ
	LogItem(0).marker_depth = 0;
	}
	}
	}
	}

	QList<Git::Tag> MainWindow::findTag(QString const &id)
	{
	auto it = m->tag_map.find(id);
	if (it != m->tag_map.end()) {
	return it->second;
	}
	return QList<Git::Tag>();
	}

	void MainWindow::on_action_edit_global_gitconfig_triggered()
	{
	QString dir = QStandardPaths::writableLocation(QStandardPaths::HomeLocation);
	QString path = dir / ".gitconfig";
	editFile(path, ".gitconfig");
	}

	void MainWindow::on_action_edit_git_config_triggered()
	{
	QString dir = currentWorkingCopyDir();
	QString path = dir / ".git/config";
	editFile(path, ".git/config");
	}

	void MainWindow::on_action_edit_gitignore_triggered()
	{
	QString dir = currentWorkingCopyDir();
	QString path = dir / ".gitignore";
	if (editFile(path, ".gitignore")) {
	updateCurrentFilesList();
	}
	}

	int MainWindow::selectedLogIndex() const
	{
	int i = ui->tableWidget_log->currentRow();
	if (i >= 0 && i < (int)m->logs.size()) {
	return i;
	}
	return -1;
	}

	Git::CommitItem const *MainWindow::selectedCommitItem() const
	{
	int i = selectedLogIndex();
	return commitItem(i);
	}

	Git::Object MainWindow::cat_file_(GitPtr g, QString const &id)
	{
	if (isValidWorkingCopy(g)) {
	QString path_prefix = PATH_PREFIX;
	if (id.startsWith(path_prefix)) {
	QString path = g->workingRepositoryDir();
	path = path / id.mid(path_prefix.size());
	QFile file(path);
	if (file.open(QFile::ReadOnly)) {
	Git::Object obj;
	obj.content = file.readAll();
	return obj;
	}
	} else if (Git::isValidID(id)) {
	return m->objcache.catFile(id);;
	}
	}
	return Git::Object();
	}

	Git::Object MainWindow::cat_file(QString const &id)
	{
	return cat_file_(git(), id);
	}

	void MainWindow::updateDiffView(QListWidgetItem *item)
	{
	clearDiffView();

	m->last_selected_file_item = item;

	if (!item) return;

	int idiff = indexOfDiff(item);
	if (idiff >= 0 && idiff < m->diff.result.size()) {
	Git::Diff const &diff = m->diff.result[idiff];
	QString key = GitDiff::makeKey(diff);
	auto it = m->diff_cache.find(key);
	if (it != m->diff_cache.end()) {
	int row = ui->tableWidget_log->currentRow();
	bool uncommited = (row >= 0 && row < (int)m->logs.size() && Git::isUncommited(m->logs[row]));
	ui->widget_diff_view->updateDiffView(it->second, uncommited);
	}
	}
	}

	void MainWindow::updateDiffView()
	{
	updateDiffView(m->last_selected_file_item);
	}

	void MainWindow::updateUnstagedFileCurrentItem()
	{
	updateDiffView(ui->listWidget_unstaged->currentItem());
	}

	void MainWindow::updateStagedFileCurrentItem()
	{
	updateDiffView(ui->listWidget_staged->currentItem());
	}

	void MainWindow::on_listWidget_unstaged_currentRowChanged(int /currentRow/)
	{
	updateUnstagedFileCurrentItem();
	}

	void MainWindow::on_listWidget_staged_currentRowChanged(int /currentRow/)
	{
	updateStagedFileCurrentItem();
	}

	void MainWindow::on_listWidget_files_currentRowChanged(int /currentRow/)
	{
	updateDiffView(ui->listWidget_files->currentItem());
	}

	void MainWindow::logGitVersion()
	{
	GitPtr g = git();
	QString s = g->version();
	if (!s.isEmpty()) {
	s += '\n';
	writeLog(s);
	}
	}

	bool MainWindow::checkExecutable(QString const &path)
	{
	if (QFileInfo(path).isExecutable()) {
	return true;
	}
	QString text = "The specified program '%1' is not executable.\n";
	text = text.arg(path);
	writeLog(text);
	return false;
	}

	void MainWindow::internalSetCommand(QString const &path, bool save, QString const &name, QString *out)
	{
	if (!path.isEmpty() && checkExecutable(path)) {
	if (save) {
	MySettings s;
	s.beginGroup("Global");
	s.setValue(name, path);
	s.endGroup();
	}
	*out = path;
	} else {
	*out = QString();
	}
	}

	void MainWindow::setGitCommand(QString const &path, bool save)
	{
	internalSetCommand(path, save, "GitCommand", &m->gcx.git_command);
	}

	void MainWindow::setFileCommand(QString const &path, bool save)
	{
	internalSetCommand(path, save, "FileCommand", &global->file_command);
	}

	void MainWindow::setGpgCommand(QString const &path, bool save)
	{
	internalSetCommand(path, save, "GpgCommand", &global->gpg_command);
	if (!global->gpg_command.isEmpty()) {
	GitPtr g = git();
	g->configGpgProgram(global->gpg_command, true);
	}
	}

	void MainWindow::setWatchRemoteInterval(int mins)
	{
	if (mins > 0) {
	m->remote_watcher_timer.start(mins * 60000);
	} else {
	m->remote_watcher_timer.stop();
	}
	}

	#ifdef Q_OS_WIN
	QString getWin32HttpProxy();
	#endif

	void MainWindow::initNetworking()
	{
	std::string http_proxy;
	std::string https_proxy;
	if (appsettings()->proxy_type == "auto") {
	#ifdef Q_OS_WIN
	http_proxy = misc::makeProxyServerURL(getWin32HttpProxy().toStdString());
	#else
	auto getienv = [](std::string const &name)->char const *{
	char **p = environ;
	while (*p) {
	if (strncasecmp(*p, name.c_str(), name.size()) == 0) {
	char const e = p + name.size();
	if (*e == '=') {
	return e + 1;
	}
	}
	p++;
	}
	return nullptr;
	};
	char const *p;
	p = getienv("http_proxy");
	if (p) {
	http_proxy = misc::makeProxyServerURL(std::string(p));
	}
	p = getienv("https_proxy");
	if (p) {
	https_proxy = misc::makeProxyServerURL(std::string(p));
	}
	#endif
	} else if (appsettings()->proxy_type == "manual") {
	http_proxy = appsettings()->proxy_server.toStdString();
	}
	m->webcx.set_http_proxy(http_proxy);
	m->webcx.set_https_proxy(https_proxy);
	}



	-QStringList MainWindow::whichCommand_(QString const &cmdfile1, const QString &cmdfile2)
	+QStringList MainWindow::whichCommand_(QString const &cmdfile1, QString const &cmdfile2)
	{
	QStringList list;

	if (!cmdfile1.isEmpty()){
	std::vector<std::string> vec;
	FileUtil::which(cmdfile1.toStdString(), &vec);
	for (std::string const &s : vec) {
	list.push_back(QString::fromStdString(s));
	}
	}
	if (!cmdfile2.isEmpty()){
	std::vector<std::string> vec;
	FileUtil::which(cmdfile2.toStdString(), &vec);
	for (std::string const &s : vec) {
	list.push_back(QString::fromStdString(s));
	}
	}

	return list;
	}

	QString MainWindow::selectCommand_(QString const &cmdname, QStringList const &cmdfiles, QStringList const &list, QString path, std::function<void(QString const &)> callback)
	{
	QString window_title = tr("Select %1 command");
	window_title = window_title.arg(cmdfiles.front());

	SelectCommandDialog dlg(this, cmdname, cmdfiles, path, list);
	dlg.setWindowTitle(window_title);
	if (dlg.exec() == QDialog::Accepted) {
	path = dlg.selectedFile();
	path = misc::normalizePathSeparator(path);
	QFileInfo info(path);
	if (info.isExecutable()) {
	callback(path);
	return path;
	}
	}
	return QString();
	}

	QString MainWindow::selectCommand_(QString const &cmdname, QString const &cmdfile, QStringList const &list, QString path, std::function<void(QString const &)> callback)
	{
	QStringList cmdfiles;
	cmdfiles.push_back(cmdfile);
	return selectCommand_(cmdname, cmdfiles, list, path, callback);
	}

	#ifdef Q_OS_WIN
	#define GIT_COMMAND "git.exe"
	#define FILE_COMMAND "file.exe"
	#define GPG_COMMAND "gpg.exe"
	#define GPG2_COMMAND "gpg2.exe"
	#else
	#define GIT_COMMAND "git"
	#define FILE_COMMAND "file"
	#define GPG_COMMAND "gpg"
	#define GPG2_COMMAND "gpg2"
	#endif

	QString MainWindow::selectGitCommand(bool save)
	{
	char const *exe = GIT_COMMAND;

	QString path = m->gcx.git_command;

	auto fn = [&](QString const &path){
	setGitCommand(path, save);
	};

	QStringList list = whichCommand_(exe);
	#ifdef Q_OS_WIN
	{
	QStringList newlist;
	QString suffix1 = "\\bin\\" GIT_COMMAND;
	QString suffix2 = "\\cmd\\" GIT_COMMAND;
	for (QString const &s : list) {
	newlist.push_back(s);
	auto DoIt = [&](QString const &suffix){
	if (s.endsWith(suffix)) {
	QString t = s.mid(0, s.size() - suffix.size());
	QString t1 = t + "\\mingw64\\bin\\" GIT_COMMAND;
	if (misc::isExecutable(t1)) newlist.push_back(t1);
	QString t2 = t + "\\mingw\\bin\\" GIT_COMMAND;
	if (misc::isExecutable(t2)) newlist.push_back(t2);
	}
	};
	DoIt(suffix1);
	DoIt(suffix2);
	}
	std::sort(newlist.begin(), newlist.end());
	auto end = std::unique(newlist.begin(), newlist.end());
	list.clear();
	for (auto it = newlist.begin(); it != end; it++) {
	list.push_back(*it);
	}
	}
	#endif
	return selectCommand_("Git", exe, list, path, fn);
	}

	QString MainWindow::selectFileCommand(bool save)
	{
	char const *exe = FILE_COMMAND;

	QString path = global->file_command;

	auto fn = [&](QString const &path){
	setFileCommand(path, save);
	};

	QStringList list = whichCommand_(exe);

	#ifdef Q_OS_WIN
	QString dir = misc::getApplicationDir();
	QString path1 = dir / FILE_COMMAND;
	QString path2;
	int i = dir.lastIndexOf('/');
	int j = dir.lastIndexOf('\\');
	if (i < j) i = j;
	if (i > 0) {
	path2 = dir.mid(0, i) / FILE_COMMAND;
	}
	path1 = misc::normalizePathSeparator(path1);
	path2 = misc::normalizePathSeparator(path2);
	if (misc::isExecutable(path1)) list.push_back(path1);
	if (misc::isExecutable(path2)) list.push_back(path2);
	#endif

	return selectCommand_("File", exe, list, path, fn);
	}

	QString MainWindow::selectGpgCommand(bool save)
	{
	QString path = global->gpg_command;

	auto fn = [&](QString const &path){
	setGpgCommand(path, save);
	};

	QStringList list = whichCommand_(GPG_COMMAND, GPG2_COMMAND);

	QStringList cmdlist;
	cmdlist.push_back(GPG_COMMAND);
	cmdlist.push_back(GPG2_COMMAND);
	return selectCommand_("GPG", cmdlist, list, path, fn);
	}

	void MainWindow::checkUser()
	{
	Git g(m->gcx, QString());
	while (1) {
	Git::User user = g.getUser(Git::Source::Global);
	if (!user.name.isEmpty() && !user.email.isEmpty()) {
	return; // ok
	}
	if (!execSetGlobalUserDialog()) {
	return;
	}
	}
	}

	void MainWindow::dragEnterEvent(QDragEnterEvent *event)
	{
	if (QApplication::modalWindow()) return;

	if (event->mimeData()->hasUrls()) {
	event->acceptProposedAction();
	event->accept();
	}
	}

	void MainWindow::timerEvent(QTimerEvent *)
	{
	bool running = m->pty_process.isRunning();
	if (ui->toolButton_stop_process->isEnabled() != running) {
	ui->toolButton_stop_process->setEnabled(running);
	ui->action_stop_process->setEnabled(running);
	setNetworkingCommandsEnabled(!running);
	}
	if (!running) {
	m->interaction_mode = InteractionMode::None;
	}

	while (1) {
	char tmp[1024];
	int len = m->pty_process.readOutput(tmp, sizeof(tmp));
	if (len < 1) break;
	writeLog(tmp, len);
	}
	}

	void MainWindow::keyPressEvent(QKeyEvent *event)
	{
	if (qApp->focusWidget() == ui->widget_log) {
	int c = event->key();

	auto write_char = [&](char c){
	if (m->pty_process.isRunning()) {
	m->pty_process.writeInput(&c, 1);
	}
	};

	auto write_text = [&](QString const &str){
	std::string s = str.toStdString();
	for (char i : s) {
	write_char(i);
	}
	};

	if (c == Qt::Key_Return \|\| c == Qt::Key_Enter) {
	write_char('\n');
	} else {
	QString text = event->text();
	write_text(text);
	}
	}
	}

	bool MainWindow::saveByteArrayAs(QByteArray const &ba, QString const &dstpath)
	{
	QFile file(dstpath);
	if (file.open(QFile::WriteOnly)) {
	file.write(ba);
	file.close();
	return true;
	}
	QString msg = "Failed to open the file '%1' for write";
	msg = msg.arg(dstpath);
	qDebug() << msg;
	return false;
	}

	bool MainWindow::saveFileAs(QString const &srcpath, QString const &dstpath)
	{
	QFile f(srcpath);
	if (f.open(QFile::ReadOnly)) {
	QByteArray ba = f.readAll();
	if (saveByteArrayAs(ba, dstpath)) {
	return true;
	}
	} else {
	QString msg = "Failed to open the file '%1' for read";
	msg = msg.arg(srcpath);
	qDebug() << msg;
	}
	return false;
	}

	bool MainWindow::saveBlobAs(QString const &id, QString const &dstpath)
	{
	Git::Object obj = cat_file(id);
	if (!obj.content.isEmpty()) {
	if (saveByteArrayAs(obj.content, dstpath)) {
	return true;
	}
	} else {
	QString msg = "Failed to get the content of the object '%1'";
	msg = msg.arg(id);
	qDebug() << msg;
	}
	return false;
	}

	bool MainWindow::saveAs(QString const &id, QString const &dstpath)
	{
	if (id.startsWith(PATH_PREFIX)) {
	return saveFileAs(id.mid(1), dstpath);
	} else {
	return saveBlobAs(id, dstpath);
	}
	}

	QString MainWindow::saveAsTemp(QString const &id)
	{
	QString path = newTempFilePath();
	saveAs(id, path);
	return path;
	}

	void MainWindow::on_action_edit_settings_triggered()
	{
	SettingsDialog dlg(this);
	if (dlg.exec() == QDialog::Accepted) {
	ApplicationSettings const &newsettings = dlg.settings();
	m->appsettings = newsettings;
	setGitCommand(appsettings()->git_command, false);
	setFileCommand(appsettings()->file_command, false);
	setGpgCommand(appsettings()->gpg_command, false);
	setWatchRemoteInterval(appsettings()->watch_remote_changes_every_mins);
	}
	}

	void MainWindow::clone()
	{
	if (!isRemoteOnline()) return;

	QString url;
	QString dir = defaultWorkingDir();
	while (1) {
	CloneDialog dlg(this, url, dir);
	if (dlg.exec() != QDialog::Accepted) {
	return;
	}

	url = dlg.url();
	dir = dlg.dir();

	if (dlg.action() == CloneDialog::Action::Clone) {
	// 既存チェック

	QFileInfo info(dir);
	if (info.isFile()) {
	QString msg = dir + "\n\n" + tr("A file with same name already exists");
	QMessageBox::warning(this, tr("Clone"), msg);
	continue;
	}
	if (info.isDir()) {
	QString msg = dir + "\n\n" + tr("A folder with same name already exists");
	QMessageBox::warning(this, tr("Clone"), msg);
	continue;
	}

	// クローン先ディレクトリを求める

	Git::CloneData clone_data = Git::preclone(url, dir);

	// クローン先ディレクトリの存在チェック

	QString basedir = misc::normalizePathSeparator(clone_data.basedir);
	if (!QFileInfo(basedir).isDir()) {
	int i = basedir.indexOf('/');
	int j = basedir.indexOf('\\');
	if (i < j) i = j;
	if (i < 0) {
	QString msg = basedir + "\n\n" + tr("Invalid folder");
	QMessageBox::warning(this, tr("Clone"), msg);
	continue;
	}

	QString msg = basedir + "\n\n" + tr("No such folder. Create it now ?");
	if (QMessageBox::warning(this, tr("Clone"), msg, QMessageBox::Ok, QMessageBox::Cancel) != QMessageBox::Ok) {
	continue;
	}

	// ディレクトリを作成

	QString base = basedir.mid(0, i + 1);
	QString sub = basedir.mid(i + 1);
	QDir(base).mkpath(sub);
	}

	m->temp_repo.local_dir = dir;
	m->temp_repo.local_dir.replace('\\', '/');
	m->temp_repo.name = makeRepositoryName(dir);

	GitPtr g = git(QString());
	m->pty_condition = PtyCondition::Clone;
	m->pty_process_ok = true;
	g->clone(clone_data, &m->pty_process);

	} else if (dlg.action() == CloneDialog::Action::AddExisting) {
	addWorkingCopyDir(dir, true);
	}

	return; // done
	}
	}

	void MainWindow::onCloneCompleted(bool success)
	{
	if (success) {
	saveRepositoryBookmark(m->temp_repo);
	setCurrentRepository(m->temp_repo, false);
	openRepository(true);
	}
	}

	void MainWindow::onPtyProcessCompleted()
	{
	switch (m->pty_condition) {
	case PtyCondition::Clone:
	onCloneCompleted(m->pty_process_ok);
	break;
	}
	m->pty_condition = PtyCondition::None;
	}

	void MainWindow::on_action_clone_triggered()
	{
	clone();
	}

	void MainWindow::on_action_about_triggered()
	{
	AboutDialog dlg(this);
	dlg.exec();
	}

	void MainWindow::on_toolButton_clone_clicked()
	{
	ui->action_clone->trigger();
	}

	void MainWindow::on_toolButton_fetch_clicked()
	{
	ui->action_fetch->trigger();
	}

	void MainWindow::clearRepoFilter()
	{
	ui->lineEdit_filter->clear();
	}

	void MainWindow::appendCharToRepoFilter(ushort c)
	{
	if (QChar(c).isLetter()) {
	c = QChar(c).toLower().unicode();
	}
	ui->lineEdit_filter->setText(m->repository_filter_text + c);
	}

	void MainWindow::backspaceRepoFilter()
	{
	QString s = m->repository_filter_text;
	int n = s.size();
	if (n > 0) {
	s = s.mid(0, n - 1);
	}
	ui->lineEdit_filter->setText(s);
	}

	-void MainWindow::on_lineEdit_filter_textChanged(const QString &text)
	+void MainWindow::on_lineEdit_filter_textChanged(QString const &text)
	{
	m->repository_filter_text = text;
	updateRepositoriesList();
	}

	void MainWindow::on_toolButton_erase_filter_clicked()
	{
	clearRepoFilter();
	ui->lineEdit_filter->setFocus();
	}

	void MainWindow::deleteTags(QStringList const &tagnames)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	int row = ui->tableWidget_log->currentRow();

	if (!tagnames.isEmpty()) {
	reopenRepository(false, [&](GitPtr g){
	for (QString const &name : tagnames) {
	g->delete_tag(name, true);
	}
	});
	}

	ui->tableWidget_log->selectRow(row);
	}

	void MainWindow::deleteTags(const Git::CommitItem &commit)
	{
	auto it = m->tag_map.find(commit.commit_id);
	if (it != m->tag_map.end()) {
	QStringList names;
	QList<Git::Tag> const &tags = it->second;
	for (Git::Tag const &tag : tags) {
	names.push_back(tag.name);
	}
	deleteTags(names);
	}
	}



	void MainWindow::revertCommit()
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	Git::CommitItem const *commit = selectedCommitItem();
	if (commit) {
	g->revert(commit->commit_id);
	openRepository(false);
	}
	}

	bool MainWindow::addTag(QString const &name)
	{
	if (name.isEmpty()) return false;

	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return false;

	QString commit_id;

	Git::CommitItem const *commit = selectedCommitItem();
	if (commit && !commit->commit_id.isEmpty()) {
	commit_id = commit->commit_id;
	}

	if (!Git::isValidID(commit_id)) return false;

	int row = ui->tableWidget_log->currentRow();

	bool ok = false;
	reopenRepository(false, [&](GitPtr g){
	ok = g->tag(name, commit_id);
	});

	ui->tableWidget_log->selectRow(row);
	return ok;
	}

	void MainWindow::on_action_tag_push_all_triggered()
	{
	reopenRepository(false, [&](GitPtr g){
	g->push(true);
	});
	}

	QString MainWindow::tempfileHeader() const
	{
	QString name = "jp_soramimi_Guitar_%1_";
	return name.arg(QApplication::applicationPid());
	}

	void MainWindow::deleteTempFiles()
	{
	QString dir = QStandardPaths::writableLocation(QStandardPaths::TempLocation);
	QString name = tempfileHeader();
	QDirIterator it(dir, { name + "*" });
	while (it.hasNext()) {
	QString path = it.next();
	QFile::remove(path);
	}
	}

	QString MainWindow::newTempFilePath()
	{
	QString tmpdir = QStandardPaths::writableLocation(QStandardPaths::TempLocation);
	QString path = tmpdir / tempfileHeader() + QString::number(m->temp_file_counter);
	m->temp_file_counter++;
	return path;
	}

	QString MainWindow::determinFileType_(QString const &path, bool mime, std::function<void(QString const &cmd, QByteArray *ba)> callback) const
	{
	const_cast<MainWindow *>(this)->checkFileCommand();
	return misc::determinFileType(global->file_command, path, mime, callback);
	}

	QString MainWindow::determinFileType(QString const &path, bool mime)
	{
	return determinFileType_(path, mime, [](QString const &cmd, QByteArray *ba){
	misc2::runCommand(cmd, ba);
	});
	}

	QString MainWindow::determinFileType(QByteArray in, bool mime)
	{
	if (in.isEmpty()) return QString();

	if (in.size() > 10) {
	if (memcmp(in.data(), "\x1f\x8b\x08", 3) == 0) { // gzip
	QBuffer buf;
	MemoryReader reader(in.data(), in.size());
	reader.open(MemoryReader::ReadOnly);
	buf.open(QBuffer::WriteOnly);
	gunzip z;
	z.set_maximul_size(100000);
	z.decode(&reader, &buf);
	in = buf.buffer();
	}
	}

	// ファイル名を "-" にすると、リダイレクトで標準入力へ流し込める。
	return determinFileType_("-", mime, [&](QString const &cmd, QByteArray *ba){
	int r = misc2::runCommand(cmd, &in, ba);
	if (r != 0) {
	ba->clear();
	}
	});
	}

	void MainWindow::on_tableWidget_log_itemDoubleClicked(QTableWidgetItem *)
	{
	Git::CommitItem const *commit = selectedCommitItem();
	if (commit) {
	execCommitPropertyDialog(this, commit);
	}
	}

	void MainWindow::execFilePropertyDialog(QListWidgetItem *item)
	{
	if (item) {
	QString path = getFilePath(item);
	QString id = getObjectID(item);
	FilePropertyDialog dlg(this);
	dlg.exec(this, path, id);
	}
	}

	void MainWindow::on_listWidget_unstaged_itemDoubleClicked(QListWidgetItem * item)
	{
	execFilePropertyDialog(item);
	}

	void MainWindow::on_listWidget_staged_itemDoubleClicked(QListWidgetItem *item)
	{
	execFilePropertyDialog(item);
	}

	void MainWindow::on_listWidget_files_itemDoubleClicked(QListWidgetItem *item)
	{
	execFilePropertyDialog(item);
	}

	QListWidgetItem *MainWindow::currentFileItem() const
	{
	QListWidget *listwidget = nullptr;
	if (ui->stackedWidget->currentWidget() == ui->page_uncommited) {
	QWidget *w = qApp->focusWidget();
	if (w == ui->listWidget_unstaged) {
	listwidget = ui->listWidget_unstaged;
	} else if (w == ui->listWidget_staged) {
	listwidget = ui->listWidget_staged;
	}
	} else {
	listwidget = ui->listWidget_files;
	}
	if (listwidget) {
	return listwidget->currentItem();
	}
	return nullptr;
	}

	QPixmap MainWindow::getTransparentPixmap()
	{
	if (m->transparent_pixmap.isNull()) {
	m->transparent_pixmap = QPixmap(":/image/transparent.png");
	}
	return m->transparent_pixmap;
	}

	QString MainWindow::getCommitIdFromTag(QString const &tag)
	{
	return m->objcache.getCommitIdFromTag(tag);
	}

	-bool MainWindow::isValidRemoteURL(const QString &url)
	+bool MainWindow::isValidRemoteURL(QString const &url)
	{
	if (url.indexOf('\"') >= 0) {
	return false;
	}
	stopPtyProcess();
	GitPtr g = git(QString());
	QString cmd = "ls-remote \"%1\" HEAD";
	bool f = g->git(cmd.arg(url), false, false, &m->pty_process);
	{
	QTime time;
	time.start();
	while (!m->pty_process.wait(10)) {
	if (time.elapsed() > 10000) {
	f = false;
	break;
	}
	QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
	}
	stopPtyProcess();
	}
	QString line = g->resultText().trimmed();
	QString head;
	int i = line.indexOf('\t');
	if (i == GIT_ID_LENGTH) {
	QString id = line.mid(0, i);
	QString name = line.mid(i + 1);
	qDebug() << id << name;
	if (name == "HEAD" && Git::isValidID(id)) {
	head = id;
	}
	}
	if (f) {
	qDebug() << "This is a valid repository.";
	if (head.isEmpty()) {
	qDebug() << "But HEAD not found";
	}
	return true;
	}
	qDebug() << "It is not a repository.";
	return false;
	}

	bool MainWindow::testRemoteRepositoryValidity(QString const &url)
	{
	bool ok;
	{
	OverrideWaitCursor;
	ok = isValidRemoteURL(url);
	}

	QString pass = tr("The URL is a valid repository");
	QString fail = tr("Failed to access the URL");

	QString text = "%1\n\n%2";
	text = text.arg(url).arg(ok ? pass : fail);

	QString title = tr("Remote Repository");

	if (ok) {
	QMessageBox::information(this, title, text);
	} else {
	QMessageBox::critical(this, title, text);
	}

	return ok;
	}

	bool MainWindow::execSetGlobalUserDialog()
	{
	SetGlobalUserDialog dlg(this);
	if (dlg.exec() == QDialog::Accepted) {
	GitPtr g = git();
	Git::User user = dlg.user();
	g->setUser(user, true);
	updateWindowTitle(g);
	return true;
	}
	return false;
	}

	void MainWindow::execSetUserDialog(Git::User const &global_user, Git::User const &repo_user, QString const &reponame)
	{
	SetUserDialog dlg(this, global_user, repo_user, reponame);
	if (dlg.exec() == QDialog::Accepted) {
	GitPtr g = git();
	Git::User user = dlg.user();
	if (dlg.isGlobalChecked()) {
	g->setUser(user, true);
	}
	if (dlg.isRepositoryChecked()) {
	g->setUser(user, false);
	}
	updateWindowTitle(g);
	}
	}

	void MainWindow::on_action_set_config_user_triggered()
	{
	Git::User global_user;
	Git::User repo_user;
	GitPtr g = git();
	if (isValidWorkingCopy(g)) {
	repo_user = g->getUser(Git::Source::Local);
	}
	global_user = g->getUser(Git::Source::Global);

	execSetUserDialog(global_user, repo_user, currentRepositoryName());
	}

	void MainWindow::on_action_window_log_triggered(bool checked)
	{
	ui->dockWidget_log->setVisible(checked);
	}

	NamedCommitList MainWindow::namedCommitItems(int flags)
	{
	NamedCommitList items;
	if (flags & Branches) {
	for (auto pair: m->branch_map) {
	QList<Git::Branch> const &list = pair.second;
	for (Git::Branch const &b : list) {
	if (b.isHeadDetached()) continue;
	QString key = b.name;
	if (flags & NamedCommitFlag::Remotes) {
	if (!b.remote.isEmpty()) {
	key = "remotes" / b.remote / key;
	}
	} else {
	if (!b.remote.isEmpty()) continue;
	}
	NamedCommitItem item;
	item.type = NamedCommitItem::Type::Branch;
	item.remote = b.remote;
	item.name = b.name;
	item.id = b.id;
	items.push_back(item);
	}
	}
	}
	if (flags & Tags) {
	for (auto pair: m->tag_map) {
	QList<Git::Tag> const &list = pair.second;
	for (Git::Tag const &t : list) {
	NamedCommitItem item;
	item.type = NamedCommitItem::Type::Tag;
	item.name = t.name;
	item.id = t.id;
	items.push_back(item);
	}
	}
	}
	return items;
	}

	int MainWindow::rowFromCommitId(QString const &id)
	{
	for (size_t i = 0; i < m->logs.size(); i++) {
	Git::CommitItem const &item = m->logs[i];
	if (item.commit_id == id) {
	return (int)i;
	}
	}
	return -1;
	}

	void MainWindow::on_action_repo_jump_triggered()
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	NamedCommitList items = namedCommitItems(Branches \| Tags \| Remotes);
	JumpDialog::sort(&items);
	{
	NamedCommitItem head;
	head.name = "HEAD";
	head.id = m->head_id;
	items.push_front(head);
	}
	JumpDialog dlg(this, items);
	if (dlg.exec() == QDialog::Accepted) {
	JumpDialog::Action action = dlg.action();
	if (action == JumpDialog::Action::BranchsAndTags) {
	QString name = dlg.text();
	QString id = g->rev_parse(name);
	if (g->objectType(id) == "tag") {
	id = m->objcache.getCommitIdFromTag(id);
	}
	int row = rowFromCommitId(id);
	if (row < 0) {
	QMessageBox::warning(this, tr("Jump"), QString("%1\n(%2)\n\n").arg(name).arg(id) + tr("That commmit has not foud or not read yet"));
	} else {
	setCurrentLogRow(row);

	if (dlg.isCheckoutChecked()) {
	NamedCommitItem item;
	for (NamedCommitItem const &t : items) {
	if (t.name == name) {
	item = t;
	break;
	}
	}
	bool ok = false;
	if (item.type == NamedCommitItem::Type::Branch) {
	ok = g->git(QString("checkout \"%1\"").arg(name), true);
	} else if (item.type == NamedCommitItem::Type::Tag) {
	ok = g->git(QString("checkout -b \"%1\" \"%2\"").arg(name).arg(id), true);
	}
	if (ok) {
	openRepository(true);
	}
	}
	}
	} else if (action == JumpDialog::Action::CommitId) {
	QString id = dlg.text();
	jumpToCommit(id);
	}
	}
	}

	void MainWindow::jumpToCommit(QString id)
	{
	GitPtr g = git();
	id = g->rev_parse(id);
	if (!id.isEmpty()) {
	int row = rowFromCommitId(id);
	setCurrentLogRow(row);
	}
	}

	void MainWindow::checkout(QWidget parent, Git::CommitItem const commit)
	{
	if (!commit) return;

	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	QStringList tags;
	QStringList local_branches;
	QStringList remote_branches;
	{
	NamedCommitList named_commits = namedCommitItems(Branches \| Tags \| Remotes);
	JumpDialog::sort(&named_commits);
	for (NamedCommitItem const &item : named_commits) {
	if (item.id == commit->commit_id) {
	QString name = item.name;
	if (item.type == NamedCommitItem::Type::Tag) {
	tags.push_back(name);
	} else if (item.type == NamedCommitItem::Type::Branch) {
	int i = name.lastIndexOf('/');
	if (i < 0 && name == "HEAD") continue;
	if (i > 0 && name.mid(i + 1) == "HEAD") continue;
	if (item.remote.isNull()) {
	local_branches.push_back(name);
	} else {
	remote_branches.push_back(name);
	}
	}
	}
	}
	}

	CheckoutDialog dlg(parent, tags, local_branches, remote_branches);
	if (dlg.exec() == QDialog::Accepted) {
	CheckoutDialog::Operation op = dlg.operation();
	QString name = dlg.branchName();
	QString id = commit->commit_id;
	bool ok = false;
	setLogEnabled(g, true);
	if (op == CheckoutDialog::Operation::HeadDetached) {
	ok = g->git(QString("checkout \"%1\"").arg(id), true);
	} else if (op == CheckoutDialog::Operation::CreateLocalBranch) {
	ok = g->git(QString("checkout -b \"%1\" \"%2\"").arg(name).arg(id), true);
	} else if (op == CheckoutDialog::Operation::ExistingLocalBranch) {
	ok = g->git(QString("checkout \"%1\"").arg(name), true);
	}
	if (ok) {
	openRepository(true);
	}
	}
	}

	void MainWindow::deleteBranch(Git::CommitItem const *commit)
	{
	if (!commit) return;

	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	QStringList all_local_branch_names;
	QStringList current_local_branch_names;
	{
	NamedCommitList named_commits = namedCommitItems(Branches);
	JumpDialog::sort(&named_commits);
	for (NamedCommitItem const &item : named_commits) {
	if (item.name == "HEAD") continue;
	if (item.id == commit->commit_id) {
	current_local_branch_names.push_back(item.name);
	}
	all_local_branch_names.push_back(item.name);
	}
	}

	DeleteBranchDialog dlg(this, false, all_local_branch_names, current_local_branch_names);
	if (dlg.exec() == QDialog::Accepted) {
	setLogEnabled(g, true);
	QStringList names = dlg.selectedBranchNames();
	int count = 0;
	for (QString const &name : names) {
	if (g->git(QString("branch -D \"%1\"").arg(name))) {
	count++;
	} else {
	writeLog(tr("Failed to delete the branch '%1'\n").arg(name));
	}
	}
	if (count > 0) {
	openRepository(true);
	}
	}
	}

	void MainWindow::mergeBranch(Git::CommitItem const *commit)
	{
	if (!commit) return;

	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	g->mergeBranch(commit->commit_id);
	openRepository(true);
	}

	void MainWindow::rebaseBranch(Git::CommitItem const *commit)
	{
	if (!commit) return;

	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	QString text = tr("Are you sure you want to rebase the commit ?");
	text += "\n\n";
	text += "> git rebase " + commit->commit_id;
	int r = QMessageBox::information(this, tr("Rebase"), text, QMessageBox::Ok, QMessageBox::Cancel);
	if (r == QMessageBox::Ok) {
	g->rebaseBranch(commit->commit_id);
	openRepository(true);
	}
	}

	void MainWindow::cherrypick(Git::CommitItem const *commit)
	{
	if (!commit) return;

	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	g->cherrypick(commit->commit_id);
	openRepository(true);
	}

	void MainWindow::checkout()
	{
	checkout(this, selectedCommitItem());
	}

	void MainWindow::deleteBranch()
	{
	deleteBranch(selectedCommitItem());
	}

	void MainWindow::on_action_repo_checkout_triggered()
	{
	checkout();
	}

	void MainWindow::on_action_delete_branch_triggered()
	{
	deleteBranch();
	}

	bool MainWindow::runOnRepositoryDir(std::function<void(QString)> callback, RepositoryItem const *repo)
	{
	if (!repo) {
	repo = &m->current_repo;
	}
	QString dir = repo->local_dir;
	dir.replace('\\', '/');
	if (QFileInfo(dir).isDir()) {
	callback(dir);
	return true;
	}
	QMessageBox::warning(this, qApp->applicationName(), tr("No repository selected"));
	return false;
	}

	#ifdef Q_OS_MAC
	namespace {

	bool isValidDir(QString const &dir)
	{
	if (dir.indexOf('\"') >= 0 \|\| dir.indexOf('\\') >= 0) return false;
	return QFileInfo(dir).isDir();
	}

	}
	#endif

	void MainWindow::openTerminal(RepositoryItem const *repo)
	{
	runOnRepositoryDir([](QString dir){
	#ifdef Q_OS_MAC
	if (!isValidDir(dir)) return;
	QString cmd = "open -n -a /Applications/Utilities/Terminal.app --args \"%1\"";
	cmd = cmd.arg(dir);
	QProcess::execute(cmd);
	#else
	Terminal::open(dir);
	#endif
	}, repo);
	}

	void MainWindow::openExplorer(RepositoryItem const *repo)
	{
	runOnRepositoryDir([](QString dir){
	#ifdef Q_OS_MAC
	if (!isValidDir(dir)) return;
	QString cmd = "open \"%1\"";
	cmd = cmd.arg(dir);
	QProcess::execute(cmd);
	#else
	QDesktopServices::openUrl(dir);
	#endif
	}, repo);
	}

	void MainWindow::on_toolButton_terminal_clicked()
	{
	openTerminal(nullptr);
	}

	void MainWindow::on_toolButton_explorer_clicked()
	{
	openExplorer(nullptr);
	}

	void MainWindow::pushSetUpstream(QString const &remote, QString const &branch)
	{
	if (remote.isEmpty()) return;
	if (branch.isEmpty()) return;

	int exitcode = 0;
	QString errormsg;

	reopenRepository(true, [&](GitPtr g){
	g->push_u(remote, branch, &m->pty_process);
	while (1) {
	if (m->pty_process.wait(1)) break;
	QApplication::processEvents();
	}
	exitcode = m->pty_process.getExitCode();
	errormsg = m->pty_process.getMessage();
	});

	if (exitcode == 128) {
	if (errormsg.indexOf("Connection refused") >= 0) {
	QMessageBox::critical(this, qApp->applicationName(), tr("Connection refused."));
	return;
	}
	}

	updateRemoteInfo();
	}

	bool MainWindow::pushSetUpstream(bool testonly)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return false;
	QStringList remotes = g->getRemotes();

	QString current_branch = currentBranchName();

	QStringList branches;
	for (Git::Branch const &b : g->branches()) {
	branches.push_back(b.name);
	}

	if (remotes.isEmpty() \|\| branches.isEmpty()) {
	return false;
	}

	if (testonly) {
	return true;
	}

	PushDialog dlg(this, remotes, branches, PushDialog::RemoteBranch(QString(), current_branch));
	if (dlg.exec() == QDialog::Accepted) {
	PushDialog::Action a = dlg.action();
	if (a == PushDialog::PushSimple) {
	ui->action_push->trigger();
	} else if (a == PushDialog::PushSetUpstream) {
	QString remote = dlg.remote();
	QString branch = dlg.branch();
	pushSetUpstream(remote, branch);
	}
	return true;
	}

	return false;
	}

	void MainWindow::on_action_reset_HEAD_1_triggered()
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	g->reset_head1();
	openRepository(false);
	}

	void MainWindow::createRepository(QString const &dir)
	{
	CreateRepositoryDialog dlg(this, dir);
	if (dlg.exec() == QDialog::Accepted) {
	QString path = dlg.path();
	if (QFileInfo(path).isDir()) {
	if (Git::isValidWorkingCopy(path)) {
	// A valid git repository already exists there.
	} else {
	GitPtr g = git(path);
	if (g->init()) {
	QString name = dlg.name();
	if (!name.isEmpty()) {
	addWorkingCopyDir(path, name, true);
	}
	QString remote_name = dlg.remoteName();
	QString remote_url = dlg.remoteURL();
	if (!remote_name.isEmpty() && !remote_url.isEmpty()) {
	g->addRemoteURL(remote_name, remote_url);
	}
	}
	}
	} else {
	// not dir
	}
	}
	}

	void MainWindow::on_action_create_a_repository_triggered()
	{
	createRepository(QString());
	}

	bool MainWindow::isRemoteOnline() const
	{
	return ui->radioButton_remote_online->isChecked();
	}

	void MainWindow::setNetworkingCommandsEnabled(bool f)
	{
	ui->action_clone->setEnabled(f);

	ui->toolButton_clone->setEnabled(f);

	if (!Git::isValidWorkingCopy(currentWorkingCopyDir())) {
	f = false;
	}

	ui->action_fetch->setEnabled(f);
	ui->action_pull->setEnabled(f);
	ui->action_push->setEnabled(f);

	ui->toolButton_fetch->setEnabled(f);
	ui->toolButton_pull->setEnabled(f);
	ui->toolButton_push->setEnabled(f);
	}

	void MainWindow::setRemoteOnline(bool f)
	{
	QRadioButton *rb = nullptr;
	rb = f ? ui->radioButton_remote_online : ui->radioButton_remote_offline;
	rb->blockSignals(true);
	rb->click();
	rb->blockSignals(false);

	setNetworkingCommandsEnabled(f);

	MySettings s;
	s.beginGroup("Remote");
	s.setValue("Online", f);
	s.endGroup();
	}

	void MainWindow::on_radioButton_remote_online_clicked()
	{
	setRemoteOnline(true);
	}

	void MainWindow::on_radioButton_remote_offline_clicked()
	{
	setRemoteOnline(false);
	}

	void MainWindow::on_verticalScrollBar_log_valueChanged(int)
	{
	ui->widget_log->refrectScrollBar();
	}

	void MainWindow::on_horizontalScrollBar_log_valueChanged(int)
	{
	ui->widget_log->refrectScrollBar();
	}

	void MainWindow::stopPtyProcess()
	{
	m->pty_process.stop();
	QDir::setCurrent(m->starting_dir);
	}

	void MainWindow::abortPtyProcess()
	{
	stopPtyProcess();
	m->pty_process_ok = false;
	m->interaction_canceled = true;
	}

	void MainWindow::on_toolButton_stop_process_clicked()
	{
	abortPtyProcess();
	}

	void MainWindow::on_action_stop_process_triggered()
	{
	abortPtyProcess();
	}

	void MainWindow::on_action_exit_triggered()
	{
	close();
	}

	void MainWindow::on_action_reflog_triggered()
	{
	GitPtr g = git();
	Git::ReflogItemList reflog;
	g->reflog(&reflog);

	ReflogWindow dlg(this, this, reflog);
	dlg.exec();
	}

	void MainWindow::blame(QListWidgetItem *item)
	{
	QList<BlameItem> list;
	QString path = getFilePath(item);
	{
	GitPtr g = git();
	QByteArray ba = g->blame(path);
	if (!ba.isEmpty()) {
	char const *begin = ba.data();
	char const *end = begin + ba.size();
	list = BlameWindow::parseBlame(begin, end);
	}
	}
	if (!list.isEmpty()) {
	qApp->setOverrideCursor(Qt::WaitCursor);
	BlameWindow win(this, path, list);
	qApp->restoreOverrideCursor();
	win.exec();
	}
	}

	void MainWindow::blame()
	{
	blame(currentFileItem());
	}

	void MainWindow::execCommitViewWindow(Git::CommitItem const *commit)
	{
	CommitViewWindow win(this, commit);
	win.exec();
	}

	void MainWindow::on_action_repository_property_triggered()
	{
	execRepositoryPropertyDialog(currentWorkingCopyDir());
	}

	void MainWindow::on_action_set_gpg_signing_triggered()
	{
	GitPtr g = git();
	QString global_key_id = g->signingKey(Git::Source::Global);
	QString repository_key_id;
	if (g->isValidWorkingCopy()) {
	repository_key_id = g->signingKey(Git::Source::Local);
	}
	SetGpgSigningDialog dlg(this, currentRepositoryName(), global_key_id, repository_key_id);
	if (dlg.exec() == QDialog::Accepted) {
	g->setSigningKey(dlg.id(), dlg.isGlobalChecked());
	}
	}

	void MainWindow::execAreYouSureYouWantToContinueConnectingDialog()
	{
	using TheDlg = AreYouSureYouWantToContinueConnectingDialog;

	m->interaction_mode = InteractionMode::Busy;

	QApplication::restoreOverrideCursor();

	TheDlg dlg(this);
	if (dlg.exec() == QDialog::Accepted) {
	TheDlg::Result r = dlg.result();
	if (r == TheDlg::Result::Yes) {
	m->pty_process.writeInput("yes\n", 4);
	} else {
	m->pty_process_ok = false; // abort
	m->pty_process.writeInput("no\n", 3);
	QThread::msleep(300);
	stopPtyProcess();
	}
	} else {
	ui->widget_log->setFocus();
	m->interaction_canceled = true;
	}
	m->interaction_mode = InteractionMode::Busy;
	}

	void MainWindow::onLogIdle()
	{
	if (m->interaction_canceled) return;
	if (m->interaction_mode != InteractionMode::None) return;

	static char const are_you_sure_you_want_to_continue_connecting[] = "Are you sure you want to continue connecting (yes/no)?";
	static char const enter_passphrase[] = "Enter passphrase: ";
	static char const enter_passphrase_for_key[] = "Enter passphrase for key '";
	static char const fatal_authentication_failed_for[] = "fatal: Authentication failed for '";

	std::vector<char> vec;
	ui->widget_log->retrieveLastText(&vec, 100);
	if (!vec.empty()) {
	std::string line;
	int n = (int)vec.size();
	int i = n;
	while (i > 0) {
	i--;
	if (i + 1 < n && vec[i] == '\n') {
	i++;
	line.assign(&vec[i], n - i);
	break;
	}
	}
	if (!line.empty()) {
	auto ExecLineEditDialog = [&](QWidget *parent, QString const &title, QString const &prompt, QString const &val, bool password){
	LineEditDialog dlg(parent, title, prompt, val, password);
	if (dlg.exec() == QDialog::Accepted) {
	std::string ret = dlg.text().toStdString();
	std::string str = ret + '\n';
	m->pty_process.writeInput(str.c_str(), str.size());
	return ret;
	}
	abortPtyProcess();
	return std::string();
	};

	auto Match = [&](char const *str){
	int n = strlen(str);
	if (strncmp(line.c_str(), str, n) == 0) {
	char const *p = line.c_str() + n;
	while (1) {
	if (!*p) return true;
	if (!isspace((unsigned char)*p)) break;
	p++;
	}
	}
	return false;
	};

	auto StartsWith = [&](char const *str){
	char const *p = line.c_str();
	while (*str) {
	if (p != str) return false;
	str++;
	p++;
	}
	return true;
	};

	if (Match(are_you_sure_you_want_to_continue_connecting)) {
	execAreYouSureYouWantToContinueConnectingDialog();
	return;
	}

	if (line == enter_passphrase) {
	ExecLineEditDialog(this, "Passphrase", QString::fromStdString(line), QString(), true);
	return;
	}

	if (StartsWith(enter_passphrase_for_key)) {
	std::string keyfile;
	{
	int i = strlen(enter_passphrase_for_key);
	char const *p = line.c_str() + i;
	char const *q = strrchr(p, ':');
	if (q && p + 2 < q && q[-1] == '\'') {
	keyfile.assign(p, q - 1);
	}
	}
	if (!keyfile.empty()) {
	if (keyfile == m->ssh_passphrase_for && !m->ssh_passphrase_secret.empty()) {
	std::string text = m->ssh_passphrase_secret + '\n';
	m->pty_process.writeInput(text.c_str(), text.size());
	} else {
	m->ssh_passphrase_for = keyfile;
	std::string s = ExecLineEditDialog(this, "Passphrase for key", QString::fromStdString(line), QString(), true);
	m->ssh_passphrase_secret = s;
	}
	return;
	}
	}

	char const *begin = line.c_str();
	char const *end = line.c_str() + line.size();
	auto Input = [&](QString const &title, bool password, std::string *value){
	std::string header = QString("%1 for '").arg(title).toStdString();
	if (strncmp(begin, header.c_str(), header.size()) == 0) {
	QString msg;
	if (memcmp(end - 2, "':", 2) == 0) {
	msg = QString::fromUtf8(begin, end - begin - 1);
	} else if (memcmp(end - 3, "': ", 3) == 0) {
	msg = QString::fromUtf8(begin, end - begin - 2);
	}
	if (!msg.isEmpty()) {
	std::string s = ExecLineEditDialog(this, title, msg, value ? QString::fromStdString(*value) : QString(), password);
	if (value) *value = s;
	return true;
	}
	}
	return false;
	};
	std::string uid = m->http_uid;
	std::string pwd = m->http_pwd;
	if (Input("Username", false, &uid)) {
	m->http_uid = uid;
	return;
	}
	if (Input("Password", true, &pwd)) {
	m->http_pwd = pwd;
	return;
	}

	if (StartsWith(fatal_authentication_failed_for)) {
	QMessageBox::critical(this, tr("Authentication Failed"), QString::fromStdString(line));
	abortPtyProcess();
	return;
	}
	}
	}
	}

	QList<Git::Tag> MainWindow::queryTagList()
	{
	QList<Git::Tag> list;
	Git::CommitItem const *commit = selectedCommitItem();
	if (commit && Git::isValidID(commit->commit_id)) {
	list = findTag(commit->commit_id);
	}
	return list;
	}

	void MainWindow::on_action_edit_tags_triggered()
	{
	Git::CommitItem const *commit = selectedCommitItem();
	if (commit && Git::isValidID(commit->commit_id)) {
	EditTagsDialog dlg(this, commit);
	dlg.exec();
	}
	}

	void MainWindow::on_action_push_u_triggered()
	{
	pushSetUpstream(false);
	}

	QStringList MainWindow::remoteBranches(QString const &id)
	{
	QStringList list;

	GitPtr g = git();
	if (isValidWorkingCopy(g)) {
	NamedCommitList named_commits = namedCommitItems(Branches \| Remotes);
	JumpDialog::sort(&named_commits);
	for (NamedCommitItem const &item : named_commits) {
	if (item.id == id && !item.remote.isEmpty()) {
	list.push_back(item.remote / item.name);
	}
	}
	}

	return list;
	}

	void MainWindow::deleteRemoteBranch(Git::CommitItem const *commit)
	{
	if (!commit) return;

	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	QStringList remote_branches = remoteBranches(commit->commit_id);
	if (remote_branches.isEmpty()) return;

	DeleteBranchDialog dlg(this, true, QStringList(), remote_branches);
	if (dlg.exec() == QDialog::Accepted) {
	setLogEnabled(g, true);
	QStringList names = dlg.selectedBranchNames();
	for (QString const &name : names) {
	int i = name.indexOf('/');
	if (i > 0) {
	QString remote = name.mid(0, i);
	QString branch = ':' + name.mid(i + 1);
	pushSetUpstream(remote, branch);
	}
	}
	}
	}

	void MainWindow::on_action_delete_remote_branch_triggered()
	{
	deleteRemoteBranch(selectedCommitItem());
	}

	void MainWindow::rebaseOnto()
	{
	struct Commit {
	QStringList parents;
	QStringList children;
	};

	std::map<QString, Commit> commit_map;

	Git::CommitItem const *commit = selectedCommitItem();
	if (commit) {
	for (Git::CommitItem const &item : m->logs) {
	Commit c;
	c.parents = item.parent_ids;
	commit_map[item.commit_id] = c;
	}
	for (Git::CommitItem const &item : m->logs) {
	for (QString const &parent : item.parent_ids) {
	auto it = commit_map.find(parent);
	if (it != commit_map.end()) {
	it->second.children.push_back(item.commit_id);
	}
	}
	}
	QString upstream;
	QString id = m->head_id;
	while (1) {
	auto it = commit_map.find(id);
	if (it == commit_map.end()) break;
	Commit const &c = it->second;
	if (c.parents.size() > 1) goto done;
	if (c.parents.size() != 1) break;
	if (id != m->head_id) {
	if (c.children.size() > 1) goto done;
	if (!findTag(id).isEmpty()) goto done;
	auto it2 = m->branch_map.find(id);
	if (it2 != m->branch_map.end()) {
	QList<Git::Branch> b = it2->second;
	if (!it2->second.empty()) goto done;
	}
	}
	id = c.parents.first();
	continue;
	done:;
	upstream = id;
	break;
	}

	QString newbase = commit->commit_id;
	QString branch = m->head_id;

	RebaseOntoDialog dlg(this);
	if (dlg.exec(newbase, upstream, branch) == QDialog::Accepted) {
	reopenRepository(true, [&](GitPtr g){
	m->pty_condition = PtyCondition::Pull;
	m->pty_process_ok = true;
	g->rebaseOnto(newbase, upstream, branch, &m->pty_process);
	while (1) {
	if (m->pty_process.wait(1)) break;
	QApplication::processEvents();
	}
	});
	}
	}
	}

	void MainWindow::on_action_rebase_onto_triggered()
	{
	rebaseOnto();
	}

	void MainWindow::checkRemoteUpdate()
	{
	if (m->pty_process.isRunning()) return;

	emit signalCheckRemoteUpdate();
	}

	void MainWindow::on_action_test_triggered()
	{
	}

	diff --git a/src/MainWindow.h b/src/MainWindow.h
	index 692be79..81ee9f6 100644
	--- a/src/MainWindow.h
	+++ b/src/MainWindow.h
	@@ -1,412 +1,412 @@
	#ifndef MAINWINDOW_H
	#define MAINWINDOW_H

	#include <QMainWindow>
	#include "Git.h"
	#include "RepositoryData.h"
	#include <memory>
	#include <functional>
	#include "GitHubAPI.h"
	#include "main.h"
	#include "TextEditorTheme.h"

	namespace Ui {
	class MainWindow;
	}

	class QScrollBar;

	class QListWidget;
	class QListWidgetItem;
	class QTreeWidgetItem;
	class QTableWidgetItem;
	class AboutDialog;

	class MySettings;

	class LocalSocketReader;

	class CommitList;
	class WebContext;

	#define PATH_PREFIX "*"


	class HunkItem {
	public:
	int hunk_number = -1;
	size_t pos, len;
	std::vector<std::string> lines;
	};

	class MainWindow : public QMainWindow {
	Q_OBJECT
	friend class ImageViewWidget;
	friend class FileDiffSliderWidget;
	friend class FileHistoryWindow;
	friend class FileDiffWidget;
	friend class AboutDialog;
	public:
	struct Label {
	enum {
	Head,
	LocalBranch,
	RemoteBranch,
	Tag,
	};
	int kind;
	QString text;
	Label(int kind = LocalBranch)
	: kind(kind)
	{

	}
	};
	private:
	struct Private;
	Private *m;
	public:
	explicit MainWindow(QWidget *parent = 0);
	~MainWindow();

	QPixmap const &digitsPixmap() const;

	QString currentWorkingCopyDir() const;

	static QString makeRepositoryName(QString const &loc);
	const Git::CommitItemList *logs() const;
	QColor color(unsigned int i);
	private:
	Ui::MainWindow *ui;

	enum class FilesListType {
	SingleList,
	SideBySide,
	};

	- void addDiffItems(const QList<Git::Diff> *diff_list, std::function<void (const QString &, QString, int)> const &AddItem_);
	+ void addDiffItems(const QList<Git::Diff> *diff_list, std::function<void (QString const &, QString, int)> const &AddItem_);
	void updateFilesList(QString id, bool wait);
	void updateFilesList(const Git::CommitItem &commit, bool wait);
	void updateRepositoriesList();
	QString getBookmarksFilePath() const;
	bool saveRepositoryBookmarks() const;

	void openRepository_(GitPtr g);
	void openRepository(bool validate, bool waitcursor = true);
	void reopenRepository(bool log, std::function<void(GitPtr)> callback);

	void openSelectedRepository();
	- bool askAreYouSureYouWantToRun(const QString &title, const QString &command);
	- void resetFile(const QStringList &path);
	+ bool askAreYouSureYouWantToRun(QString const &title, QString const &command);
	+ void resetFile(QStringList const &path);
	void revertAllFiles();
	void prepareLogTableWidget();
	QStringList selectedFiles_(QListWidget *listwidget) const;
	QStringList selectedFiles() const;
	- void for_each_selected_files(std::function<void (const QString &)> fn);
	- bool editFile(const QString &path, const QString &title);
	+ void for_each_selected_files(std::function<void (QString const &)> fn);
	+ bool editFile(QString const &path, QString const &title);
	void updateCommitGraph();
	void showFileList(FilesListType files_list_type);

	bool checkGitCommand();
	bool checkFileCommand();
	void checkUser();

	void clearLog();
	void clearFileList();
	void clearDiffView();
	void clearRepositoryInfo();

	int repositoryIndex_(const QTreeWidgetItem *item) const;
	RepositoryItem const repositoryItem(const QTreeWidgetItem item) const;

	bool makeDiff(QString id, QList<Git::Diff> *out);

	void commit(bool amend = false);
	void commit_amend();
	void queryBranches(GitPtr g);
	void updateRemoteInfo();
	- QList<Git::Branch> findBranch(const QString &id);
	- QList<Git::Tag> findTag(const QString &id);
	+ QList<Git::Branch> findBranch(QString const &id);
	+ QList<Git::Tag> findTag(QString const &id);
	int selectedLogIndex() const;
	const Git::CommitItem *selectedCommitItem() const;
	void deleteTags(const Git::CommitItem &commit);
	- QTreeWidgetItem *newQTreeWidgetFolderItem(const QString &name);
	- void buildRepoTree(const QString &group, QTreeWidgetItem item, QList<RepositoryItem> repos);
	+ QTreeWidgetItem *newQTreeWidgetFolderItem(QString const &name);
	+ void buildRepoTree(QString const &group, QTreeWidgetItem item, QList<RepositoryItem> repos);
	void refrectRepositories();

	- bool saveByteArrayAs(const QByteArray &ba, const QString &dstpath);
	- bool saveFileAs(const QString &srcpath, const QString &dstpath);
	- bool saveBlobAs(const QString &id, const QString &dstpath);
	- QString selectCommand_(const QString &cmdname, const QStringList &cmdfile, const QStringList &list, QString path, std::function<void (const QString &)> callback);
	- QString selectCommand_(const QString &cmdname, const QString &cmdfile, const QStringList &list, QString path, std::function<void(const QString &)> callback);
	+ bool saveByteArrayAs(QByteArray const &ba, QString const &dstpath);
	+ bool saveFileAs(QString const &srcpath, QString const &dstpath);
	+ bool saveBlobAs(QString const &id, QString const &dstpath);
	+ QString selectCommand_(QString const &cmdname, QStringList const &cmdfile, QStringList const &list, QString path, std::function<void (QString const &)> callback);
	+ QString selectCommand_(QString const &cmdname, QString const &cmdfile, QStringList const &list, QString path, std::function<void(QString const &)> callback);
	void updateDiffView(QListWidgetItem *item);
	void updateDiffView();
	void updateUnstagedFileCurrentItem();
	void updateStagedFileCurrentItem();
	// void addTag();
	- QStringList whichCommand_(const QString &cmdfile1, const QString &cmdfile2 = QString());
	+ QStringList whichCommand_(QString const &cmdfile1, QString const &cmdfile2 = QString());
	QString getObjectID(QListWidgetItem *item);
	- QString determinFileType_(const QString &path, bool mime, std::function<void(QString const &cmd, QByteArray *ba)> callback) const;
	- Git::Object cat_file_(GitPtr g, const QString &id);
	- Git::Object cat_file(const QString &id);
	+ QString determinFileType_(QString const &path, bool mime, std::function<void(QString const &cmd, QByteArray *ba)> callback) const;
	+ Git::Object cat_file_(GitPtr g, QString const &id);
	+ Git::Object cat_file(QString const &id);
	void updateStatusBarText();
	void setUnknownRepositoryInfo();
	void setWindowTitle_(const Git::User &user);
	- void setRepositoryInfo(const QString &reponame, const QString &brname);
	+ void setRepositoryInfo(QString const &reponame, QString const &brname);
	void updateWindowTitle(GitPtr g);
	void logGitVersion();
	- static bool git_callback(void cookie, const char ptr, int len);
	+ static bool git_callback(void cookie, char const ptr, int len);
	int indexOfRepository(const QTreeWidgetItem *treeitem) const;
	void removeRepositoryFromBookmark(int index, bool ask);

	enum NamedCommitFlag {
	Branches = 0x0001,
	Tags = 0x0002,
	Remotes = 0x0100,
	};
	NamedCommitList namedCommitItems(int flags);

	void deleteBranch(const Git::CommitItem *commit);
	void checkout();
	void clone();
	void deleteBranch();
	Git::CommitItemList retrieveCommitLog(GitPtr g);
	bool runOnRepositoryDir(std::function<void(QString)> callback, const RepositoryItem *repo);
	void openTerminal(const RepositoryItem *repo);
	void openExplorer(const RepositoryItem *repo);
	- void pushSetUpstream(const QString &remote, const QString &branch);
	+ void pushSetUpstream(QString const &remote, QString const &branch);
	bool pushSetUpstream(bool testonly);
	void clearRepoFilter();
	void appendCharToRepoFilter(ushort c);
	void backspaceRepoFilter();
	void revertCommit();
	- int rowFromCommitId(const QString &id);
	+ int rowFromCommitId(QString const &id);
	void cherrypick(const Git::CommitItem *commit);
	void mergeBranch(const Git::CommitItem *commit);
	void rebaseBranch(const Git::CommitItem *commit);
	void detectGitServerType(GitPtr g);
	void initNetworking();
	void setRemoteOnline(bool f);
	bool isRemoteOnline() const;
	void startTimers();
	void onCloneCompleted(bool success);
	bool fetch(GitPtr g);
	void stopPtyProcess();
	void abortPtyProcess();
	void setNetworkingCommandsEnabled(bool f);
	- void execSetUserDialog(const Git::User &global_user, const Git::User &repo_user, const QString &reponame);
	+ void execSetUserDialog(const Git::User &global_user, const Git::User &repo_user, QString const &reponame);
	bool execSetGlobalUserDialog();
	void blame(QListWidgetItem *item);
	void blame();
	QListWidgetItem *currentFileItem() const;
	const RepositoryItem findRegisteredRepository(QString workdir) const;
	void execAreYouSureYouWantToContinueConnectingDialog();
	void queryRemotes(GitPtr g);
	- void internalSetCommand(const QString &path, bool save, const QString &name, QString *out);
	+ void internalSetCommand(QString const &path, bool save, QString const &name, QString *out);
	void deleteRemoteBranch(const Git::CommitItem *commit);
	- QStringList remoteBranches(const QString &id);
	+ QStringList remoteBranches(QString const &id);
	void rebaseOnto();
	- void createRepository(const QString &dir);
	+ void createRepository(QString const &dir);
	void checkRemoteUpdate();
	void setWatchRemoteInterval(int mins);
	void emitWriteLog(QByteArray ba);
	protected:
	void dragEnterEvent(QDragEnterEvent *event);
	void timerEvent(QTimerEvent *);
	void keyPressEvent(QKeyEvent *event);
	bool event(QEvent *event);
	bool eventFilter(QObject watched, QEvent event);
	public:

	QString selectGitCommand(bool save);
	QString selectFileCommand(bool save);
	QString selectGpgCommand(bool save);

	int limitLogCount() const;

	- void setGitCommand(const QString &path, bool save);
	- void setFileCommand(const QString &path, bool save);
	- void setGpgCommand(const QString &path, bool save);
	+ void setGitCommand(QString const &path, bool save);
	+ void setFileCommand(QString const &path, bool save);
	+ void setGpgCommand(QString const &path, bool save);
	void clearAuthentication();
	void setCurrentRepository(const RepositoryItem &repo, bool clear_authentication);
	bool isThereUncommitedChanges() const;
	QString defaultWorkingDir() const;
	void autoOpenRepository(QString dir);
	void saveRepositoryBookmark(RepositoryItem item);
	void drawDigit(QPainter *pr, int x, int y, int n) const;
	int digitWidth() const;
	int digitHeight() const;
	bool isValidWorkingCopy(const GitPtr &g) const;
	QString tempfileHeader() const;
	void deleteTempFiles();
	QString newTempFilePath();
	- bool saveAs(const QString &id, const QString &dstpath);
	- QString saveAsTemp(const QString &id);
	+ bool saveAs(QString const &id, QString const &dstpath);
	+ QString saveAsTemp(QString const &id);
	QString abbrevCommitID(const Git::CommitItem &commit);
	- QString findFileID(GitPtr g, const QString &commit_id, const QString &file);
	- QString determinFileType(const QString &path, bool mime);
	+ QString findFileID(GitPtr g, QString const &commit_id, QString const &file);
	+ QString determinFileType(QString const &path, bool mime);
	QString determinFileType(QByteArray in, bool mime);
	QPixmap getTransparentPixmap();
	- QString getCommitIdFromTag(const QString &tag);
	- void setStatusBarText(const QString &text);
	+ QString getCommitIdFromTag(QString const &tag);
	+ void setStatusBarText(QString const &text);
	void clearStatusBarText();
	QString makeCommitInfoText(int row, QList<Label> *label_list);
	void setLogEnabled(GitPtr g, bool f);
	void addWorkingCopyDir(QString dir, QString name, bool open);
	void addWorkingCopyDir(QString dir, bool open)
	{
	addWorkingCopyDir(dir, QString(), open);
	}
	bool isValidRemoteURL(QString const &url);
	- bool testRemoteRepositoryValidity(const QString &url);
	+ bool testRemoteRepositoryValidity(QString const &url);
	void removeSelectedRepositoryFromBookmark(bool ask);
	void setCurrentLogRow(int row);
	- GitPtr git(const QString &dir) const;
	+ GitPtr git(QString const &dir) const;
	GitPtr git();
	const QList<Label> *label(int row);
	bool isGitHub() const;
	QIcon committerIcon(int row) const;
	void updateCommitTableLater();
	bool isAvatarEnabled() const;
	WebContext *getWebContextPtr();
	bool shown();
	void execFileHistory(QListWidgetItem *item);
	- void execFileHistory(const QString &path);
	+ void execFileHistory(QString const &path);
	void execCommitExploreWindow(QWidget parent, const Git::CommitItem commit);
	void execCommitPropertyDialog(QWidget parent, const Git::CommitItem commit);
	void checkout(QWidget parent, const Git::CommitItem commit);
	TextEditorThemePtr themeForTextEditor();
	- bool queryCommit(const QString &id, Git::CommitItem *out);
	+ bool queryCommit(QString const &id, Git::CommitItem *out);
	void jumpToCommit(QString id);
	WebContext *webContext();
	bool execWelcomeWizardDialog();
	void updateFilesList(QString id, QList<Git::Diff> diff_list, QListWidget listwidget);
	void execCommitViewWindow(const Git::CommitItem *commit);
	QAction addMenuActionProperty(QMenu menu);
	void execFilePropertyDialog(QListWidgetItem *item);
	void execRepositoryPropertyDialog(QString workdir, bool open_repository_menu = false);
	QStringList remotes() const;
	QIcon verifiedIcon(char s) const;
	ApplicationSettings *appsettings();
	const ApplicationSettings *appsettings() const;
	const Git::CommitItem *commitItem(int row) const;
	- bool checkExecutable(const QString &path);
	- void deleteTags(const QStringList &tagnames);
	+ bool checkExecutable(QString const &path);
	+ void deleteTags(QStringList const &tagnames);
	QList<Git::Tag> queryTagList();
	- bool addTag(const QString &name);
	+ bool addTag(QString const &name);
	void updateCurrentFilesList();
	void setRemoteChanged(bool f);
	QString currentRepositoryName() const;
	QString currentRemoteName() const;
	Git::Branch const &currentBranch() const;
	QString currentBranchName() const;
	public slots:
	- void writeLog(const char *ptr, int len);
	- void writeLog(const QString &str);
	+ void writeLog(char const *ptr, int len);
	+ void writeLog(QString const &str);
	void writeLog(QByteArray ba);
	private slots:
	void on_action_clone_triggered();
	void on_action_commit_triggered();
	void on_action_edit_git_config_triggered();
	void on_action_edit_gitignore_triggered();
	void on_action_edit_global_gitconfig_triggered();
	void on_action_edit_settings_triggered();
	void on_action_fetch_triggered();
	void on_action_open_existing_working_copy_triggered();
	void on_action_pull_triggered();
	void on_action_push_triggered();
	void on_action_test_triggered();
	void on_action_view_refresh_triggered();
	void on_action_tag_push_all_triggered();

	void on_treeWidget_repos_currentItemChanged(QTreeWidgetItem current, QTreeWidgetItem previous);
	void on_treeWidget_repos_itemDoubleClicked(QTreeWidgetItem *item, int column);

	void on_tableWidget_log_currentItemChanged(QTableWidgetItem current, QTableWidgetItem previous);

	void on_treeWidget_repos_customContextMenuRequested(const QPoint &pos);
	void on_tableWidget_log_customContextMenuRequested(const QPoint &pos);
	void on_listWidget_files_customContextMenuRequested(const QPoint &pos);
	void on_listWidget_unstaged_customContextMenuRequested(const QPoint &pos);
	void on_listWidget_staged_customContextMenuRequested(const QPoint &pos);

	void on_listWidget_unstaged_currentRowChanged(int currentRow);
	void on_listWidget_staged_currentRowChanged(int currentRow);
	void on_listWidget_files_currentRowChanged(int currentRow);

	void on_toolButton_commit_clicked();
	void on_toolButton_pull_clicked();
	void on_toolButton_push_clicked();
	void on_toolButton_select_all_clicked();
	void on_toolButton_stage_clicked();
	void on_toolButton_unstage_clicked();
	void on_action_about_triggered();
	void on_toolButton_clone_clicked();
	void on_toolButton_fetch_clicked();

	- void on_lineEdit_filter_textChanged(const QString &text);
	+ void on_lineEdit_filter_textChanged(QString const &text);
	void on_toolButton_erase_filter_clicked();

	void on_tableWidget_log_itemDoubleClicked(QTableWidgetItem *);
	void on_listWidget_unstaged_itemDoubleClicked(QListWidgetItem *item);
	void on_listWidget_staged_itemDoubleClicked(QListWidgetItem *item);
	void on_listWidget_files_itemDoubleClicked(QListWidgetItem *item);

	void onRepositoriesTreeDropped();
	void on_action_set_config_user_triggered();

	void on_action_window_log_triggered(bool checked);

	void onLogVisibilityChanged();

	void on_action_repo_jump_triggered();
	void on_action_repo_checkout_triggered();
	void on_action_delete_branch_triggered();

	void on_toolButton_terminal_clicked();
	void on_toolButton_explorer_clicked();

	void on_action_reset_HEAD_1_triggered();

	void on_action_create_a_repository_triggered();

	void onAvatarUpdated();
	void on_radioButton_remote_online_clicked();

	void on_radioButton_remote_offline_clicked();
	void on_verticalScrollBar_log_valueChanged(int);
	void on_horizontalScrollBar_log_valueChanged(int);

	void onPtyProcessCompleted();
	void on_toolButton_stop_process_clicked();

	void on_action_stop_process_triggered();

	void on_action_exit_triggered();

	void on_action_reflog_triggered();


	void on_action_repository_property_triggered();
	void on_action_set_gpg_signing_triggered();
	void on_action_edit_tags_triggered();

	void on_action_push_u_triggered();

	void on_action_delete_remote_branch_triggered();

	void on_action_rebase_onto_triggered();

	void doUpdateButton();
	signals:
	void onEscapeKeyPressed();
	void signalCheckRemoteUpdate();
	void updateButton();
	void signalWriteLog(QByteArray ba);
	protected:
	void closeEvent(QCloseEvent *event);
	protected slots:
	void onLogIdle();
	};

	#endif // MAINWINDOW_H
	diff --git a/src/MemoryReader.cpp b/src/MemoryReader.cpp
	index 80f6367..7c3112a 100644
	--- a/src/MemoryReader.cpp
	+++ b/src/MemoryReader.cpp
	@@ -1,91 +1,91 @@
	#include "MemoryReader.h"

	MemoryReader::MemoryReader(char const *ptr, qint64 len)
	{
	setData(ptr, len);
	}

	void MemoryReader::setData(char const *ptr, qint64 len)
	{
	begin = ptr;
	end = begin + len;
	}

	bool MemoryReader::isSequential() const
	{
	return false;
	}

	bool MemoryReader::open(OpenMode mode)
	{
	mode \|= QIODevice::Unbuffered;
	return QIODevice::open(mode \| QIODevice::Unbuffered);
	}

	qint64 MemoryReader::pos() const
	{
	return QIODevice::pos();
	}

	qint64 MemoryReader::size() const
	{
	if (begin && begin < end) {
	return end - begin;
	}
	return 0;
	}

	bool MemoryReader::seek(qint64 pos)
	{
	return QIODevice::seek(pos);
	}

	bool MemoryReader::atEnd() const
	{
	return QIODevice::atEnd();
	}

	bool MemoryReader::reset()
	{
	if (begin && begin < end) {
	return true;
	}
	return false;
	}

	qint64 MemoryReader::bytesToWrite() const
	{
	return 0;
	}

	bool MemoryReader::canReadLine() const
	{
	return bytesAvailable() > 0;
	}

	bool MemoryReader::waitForReadyRead(int /msecs/)
	{
	return bytesAvailable() > 0;
	}

	bool MemoryReader::waitForBytesWritten(int /msecs/)
	{
	return false;
	}

	qint64 MemoryReader::readData(char *data, qint64 maxlen)
	{
	qint64 n = bytesAvailable();
	if (n > 0) {
	if (n > maxlen) {
	n = maxlen;
	}
	memcpy(data, begin + pos(), n);
	}
	return n;
	}

	-qint64 MemoryReader::writeData(const char * /data/, qint64 /len/)
	+qint64 MemoryReader::writeData(char const * /data/, qint64 /len/)
	{
	return 0;
	}
	diff --git a/src/MemoryReader.h b/src/MemoryReader.h
	index 3d25d7b..d8ecc5a 100644
	--- a/src/MemoryReader.h
	+++ b/src/MemoryReader.h
	@@ -1,30 +1,30 @@
	#ifndef MEMORYREADER_H
	#define MEMORYREADER_H

	#include <QBuffer>
	#include <QIODevice>

	class MemoryReader : public QIODevice {
	private:
	char const *begin;
	char const *end;
	public:
	MemoryReader(char const *ptr = 0, qint64 len = 0);
	void setData(char const *ptr, qint64 len);
	virtual bool isSequential() const;
	virtual bool open(OpenMode mode);
	virtual qint64 pos() const;
	virtual qint64 size() const;
	virtual bool seek(qint64 pos);
	virtual bool atEnd() const;
	virtual bool reset();
	virtual qint64 bytesToWrite() const;
	virtual bool canReadLine() const;
	virtual bool waitForReadyRead(int msecs);
	virtual bool waitForBytesWritten(int msecs);
	protected:
	virtual qint64 readData(char *data, qint64 maxlen);
	- virtual qint64 writeData(const char *data, qint64 len);
	+ virtual qint64 writeData(char const *data, qint64 len);
	};

	#endif // MEMORYREADER_H
	diff --git a/src/MyImageViewWidget.cpp b/src/MyImageViewWidget.cpp
	index f097190..7ed2189 100644
	--- a/src/MyImageViewWidget.cpp
	+++ b/src/MyImageViewWidget.cpp
	@@ -1,52 +1,52 @@
	#include "MyImageViewWidget.h"

	#include <QMenu>
	#include <QFileDialog>

	#include "common/misc.h"
	#include "common/joinpath.h"

	MyImageViewWidget::MyImageViewWidget(QWidget *parent)
	: ImageViewWidget(parent)
	{

	}

	-void MyImageViewWidget::setImage(QString mimetype, const QByteArray &ba, const QString &object_id, const QString &path)
	+void MyImageViewWidget::setImage(QString mimetype, QByteArray const &ba, QString const &object_id, QString const &path)
	{
	this->object_id_ = object_id;
	this->path_ = path;
	ImageViewWidget::setImage(mimetype, ba);
	}

	void MyImageViewWidget::contextMenuEvent(QContextMenuEvent *e)
	{
	QString id = object_id_;
	if (id.startsWith(PATH_PREFIX)) {
	// pass
	} else if (Git::isValidID(id)) {
	// pass
	} else {
	return; // invalid id
	}

	QMenu menu;

	QAction *a_save_as = id.isEmpty() ? nullptr : menu.addAction(tr("Save as..."));
	if (!menu.actions().isEmpty()) {
	update();
	QAction *a = menu.exec(misc::contextMenuPos(this, e));
	if (a) {
	if (a == a_save_as) {
	QString path = mainwindow()->currentWorkingCopyDir() / path_;
	QString dstpath = QFileDialog::getSaveFileName(window(), tr("Save as"), path);
	if (!dstpath.isEmpty()) {
	mainwindow()->saveAs(id, dstpath);
	}
	update();
	return;
	}
	}
	}
	}

	diff --git a/src/MyProcess.h b/src/MyProcess.h
	index a320cda..367600c 100644
	--- a/src/MyProcess.h
	+++ b/src/MyProcess.h
	@@ -1,24 +1,24 @@
	#ifndef MYPROCESS_H
	#define MYPROCESS_H

	#include <QtGlobal>

	#ifdef Q_OS_WIN
	#include "win32/Win32Process.h"
	#include "win32/Win32PtyProcess.h"
	typedef Win32Process Process;
	typedef Win32PtyProcess PtyProcess;
	#else
	#include "unix/UnixProcess.h"
	#include "unix/UnixPtyProcess.h"
	typedef UnixProcess Process;
	typedef UnixPtyProcess PtyProcess;
	#endif

	class misc2 {
	public:
	static int runCommand(QString const &cmd, QByteArray *out);
	- static int runCommand(const QString &cmd, const QByteArray in, QByteArray out);
	+ static int runCommand(QString const &cmd, const QByteArray in, QByteArray out);
	};

	#endif // MYPROCESS_H
	diff --git a/src/MyTextEditorWidget.h b/src/MyTextEditorWidget.h
	index 1efb549..952cc2e 100644
	--- a/src/MyTextEditorWidget.h
	+++ b/src/MyTextEditorWidget.h
	@@ -1,22 +1,22 @@
	#ifndef MYTEXTEDITORWIDGET_H
	#define MYTEXTEDITORWIDGET_H

	#include "texteditor/TextEditorWidget.h"

	class MainWindow;

	class MyTextEditorWidget : public TextEditorWidget {
	private:
	MainWindow *mainwindow;
	QString object_id;
	QString object_path;
	public:
	MyTextEditorWidget(QWidget *parent = 0);

	// QWidget interface
	- void setDocument(const QList<Document::Line> source, MainWindow mw, const QString &object_id, const QString &object_path);
	+ void setDocument(const QList<Document::Line> source, MainWindow mw, QString const &object_id, QString const &object_path);
	protected:
	void contextMenuEvent(QContextMenuEvent *event);
	};

	#endif // MYTEXTEDITORWIDGET_H
	diff --git a/src/PushDialog.cpp b/src/PushDialog.cpp
	index 5f7000b..e878b1f 100644
	--- a/src/PushDialog.cpp
	+++ b/src/PushDialog.cpp
	@@ -1,66 +1,66 @@
	#include "PushDialog.h"
	#include "ui_PushDialog.h"

	-PushDialog::PushDialog(QWidget *parent, const QStringList &remotes, const QStringList &branches, const RemoteBranch &remote_branch) :
	+PushDialog::PushDialog(QWidget *parent, QStringList const &remotes, QStringList const &branches, const RemoteBranch &remote_branch) :
	QDialog(parent),
	ui(new Ui::PushDialog)
	{
	ui->setupUi(this);

	if (remotes.isEmpty() \|\| branches.isEmpty()) {
	// thru
	} else {
	for (QString const &remote : remotes) {
	ui->comboBox_remote->addItem(remote);
	}
	for (QString const &branch : branches) {
	ui->comboBox_branch->addItem(branch);
	}
	}

	if (!remote_branch.remote.isEmpty()) {
	ui->comboBox_remote->setCurrentText(remote_branch.remote);
	}
	if (!remote_branch.branch.isEmpty()) {
	ui->comboBox_branch->setCurrentText(remote_branch.branch);
	}
	}

	PushDialog::~PushDialog()
	{
	delete ui;
	}

	PushDialog::Action PushDialog::action() const
	{
	#if 1
	return PushSetUpstream;
	#else
	if (ui->radioButton_push_set_upstream->isChecked()) {
	return PushSetUpstream;
	}
	return PushSimple;
	#endif
	}

	QString PushDialog::remote() const
	{
	return ui->comboBox_remote->currentText();
	}

	QString PushDialog::branch() const
	{
	return ui->comboBox_branch->currentText();
	}

	#if 0
	void PushDialog::on_radioButton_push_simply_clicked()
	{
	ui->frame_set_upstream->setEnabled(false);
	}

	void PushDialog::on_radioButton_push_set_upstream_clicked()
	{
	ui->frame_set_upstream->setEnabled(true);
	}
	#endif
	diff --git a/src/ReadOnlyLineEdit.cpp b/src/ReadOnlyLineEdit.cpp
	index ac6b03d..7340748 100644
	--- a/src/ReadOnlyLineEdit.cpp
	+++ b/src/ReadOnlyLineEdit.cpp
	@@ -1,36 +1,36 @@
	#include "ReadOnlyLineEdit.h"
	#include "main.h"
	#include "ApplicationGlobal.h"

	#include <QPainter>

	ReadOnlyLineEdit::ReadOnlyLineEdit(QWidget *parent)
	: QLineEdit(parent)
	{
	setReadOnly(true);
	setFrame(false);
	setStyleSheet("* { background: transparent; }");
	}

	-void ReadOnlyLineEdit::setText(const QString &text)
	+void ReadOnlyLineEdit::setText(QString const &text)
	{
	QLineEdit::setText(text);
	setSelection(0, 0);
	}

	void ReadOnlyLineEdit::paintEvent(QPaintEvent *event)
	{
	{
	int r = global->panel_bg_color.red();
	int g = global->panel_bg_color.green();
	int b = global->panel_bg_color.blue();
	r = r * 4 / 5;
	g = g * 4 / 5;
	b = b * 4 / 5;

	QPainter pr(this);
	int y = height() - 1;
	pr.fillRect(0, y, width(), 1, QColor(r, g, b));
	}
	QLineEdit::paintEvent(event);
	}
	diff --git a/src/RebaseOntoDialog.cpp b/src/RebaseOntoDialog.cpp
	index 3d2dac4..a40397f 100644
	--- a/src/RebaseOntoDialog.cpp
	+++ b/src/RebaseOntoDialog.cpp
	@@ -1,37 +1,37 @@
	#include "RebaseOntoDialog.h"
	#include "ui_RebaseOntoDialog.h"

	RebaseOntoDialog::RebaseOntoDialog(QWidget *parent) :
	QDialog(parent),
	ui(new Ui::RebaseOntoDialog)
	{
	ui->setupUi(this);
	}

	RebaseOntoDialog::~RebaseOntoDialog()
	{
	delete ui;
	}

	-int RebaseOntoDialog::exec(const QString &newbase, const QString &upstream, const QString &branch)
	+int RebaseOntoDialog::exec(QString const &newbase, QString const &upstream, QString const &branch)
	{
	ui->lineEdit_newbase->setText(newbase);
	ui->lineEdit_upstream->setText(upstream);
	ui->lineEdit_branch->setText(branch);
	return QDialog::exec();
	}

	QString RebaseOntoDialog::newbase() const
	{
	return ui->lineEdit_newbase->text();
	}

	QString RebaseOntoDialog::upstream() const
	{
	return ui->lineEdit_upstream->text();
	}

	QString RebaseOntoDialog::branch() const
	{
	return ui->lineEdit_branch->text();
	}
	diff --git a/src/RemoteWatcher.cpp b/src/RemoteWatcher.cpp
	index 1e41ad8..f8a1d71 100644
	--- a/src/RemoteWatcher.cpp
	+++ b/src/RemoteWatcher.cpp
	@@ -1,49 +1,49 @@
	#include "RemoteWatcher.h"
	#include "common/joinpath.h"
	#include <QFileInfo>



	void RemoteWatcher::start(MainWindow *mw)
	{
	mainwindow_ = mw;
	QThread::start();
	moveToThread(this);
	}

	-void RemoteWatcher::setCurrent(const QString &remote, const QString &branch)
	+void RemoteWatcher::setCurrent(QString const &remote, QString const &branch)
	{
	remote_ = remote;
	branch_ = branch;
	}

	void RemoteWatcher::checkRemoteUpdate()
	{
	QString dir = mainwindow()->currentWorkingCopyDir();

	QString refs;
	QString local_id;

	if (QFileInfo(dir).isDir()) {
	refs = "refs/remotes" / remote_ / branch_;
	QString head = dir / ".git" / refs;
	QFile file1(head);
	if (file1.open(QFile::ReadOnly)) {
	local_id = file1.readLine().trimmed();
	}
	refs = "refs/heads" / branch_;
	}
	if (local_id.isEmpty()) return;

	QString remote_id;
	GitPtr g = mainwindow()->git();
	auto list = g->ls_remote();
	for (auto item : list) {
	if (item.name == refs) {
	remote_id = item.commit_id;
	break;
	}
	}
	mainwindow()->setRemoteChanged(remote_id != local_id);
	}

	diff --git a/src/RepositoryData.cpp b/src/RepositoryData.cpp
	index fd3b207..d938ff1 100644
	--- a/src/RepositoryData.cpp
	+++ b/src/RepositoryData.cpp
	@@ -1,103 +1,103 @@
	#include "RepositoryData.h"
	#include <QXmlStreamWriter>
	#include <QXmlStreamReader>
	#include <QFile>
	#include <vector>
	#include <QDebug>



	-bool RepositoryBookmark::save(const QString &path, QList<RepositoryItem> const *items)
	+bool RepositoryBookmark::save(QString const &path, QList<RepositoryItem> const *items)
	{
	QFile file(path);
	if (file.open(QFile::WriteOnly)) {
	QXmlStreamWriter writer(&file);
	writer.setAutoFormatting(true);
	writer.writeStartDocument();
	writer.writeStartElement("repositories");
	for (RepositoryItem const &item : *items) {
	if (item.name.isEmpty() && item.local_dir.isEmpty()) {
	continue;
	}
	writer.writeStartElement("repository");
	writer.writeAttribute("name", item.name);
	writer.writeAttribute("group", item.group);
	if (!item.local_dir.isEmpty()) {
	QString local = item.local_dir;
	local.replace('\\', '/');
	writer.writeStartElement("local");
	writer.writeCharacters(local);
	writer.writeEndElement(); // local
	}
	writer.writeEndElement(); // repository
	}
	writer.writeEndElement(); // repositories
	writer.writeEndDocument();
	return true;
	}
	return false;
	}

	-QList<RepositoryItem> RepositoryBookmark::load(const QString &path)
	+QList<RepositoryItem> RepositoryBookmark::load(QString const &path)
	{
	QList<RepositoryItem> items;
	QFile file(path);
	if (file.open(QFile::ReadOnly)) {
	enum State {
	STATE_UNKNOWN,
	STATE_ROOT,
	STATE_REPOSITORIES,
	STATE_REPOSITORIES_REPOSITORY,
	STATE_REPOSITORIES_REPOSITORY_LOCAL,
	};
	RepositoryItem item;
	QString text;
	std::vector<State> state_stack;
	QXmlStreamReader reader(&file);
	reader.setNamespaceProcessing(false);
	while (!reader.atEnd()) {
	State state = STATE_UNKNOWN;
	State newstate = STATE_UNKNOWN;
	if (!state_stack.empty()) {
	state = state_stack.back();
	}
	QXmlStreamReader::TokenType tt = reader.readNext();
	switch (tt) {
	case QXmlStreamReader::StartElement:
	if (state_stack.empty()) {
	if (reader.name() == "repositories") {
	newstate = STATE_REPOSITORIES;
	}
	} else {
	QXmlStreamAttributes atts = reader.attributes();
	if (state == STATE_REPOSITORIES && reader.name() == "repository") {
	newstate = STATE_REPOSITORIES_REPOSITORY;
	item = RepositoryItem();
	item.name = atts.value("name").toString();
	item.group = atts.value("group").toString();
	} else if (state == STATE_REPOSITORIES_REPOSITORY && reader.name() == "local") {
	newstate = STATE_REPOSITORIES_REPOSITORY_LOCAL;
	text = QString();
	}
	}
	state_stack.push_back(newstate);
	break;
	case QXmlStreamReader::EndElement:
	if (state == STATE_REPOSITORIES_REPOSITORY_LOCAL) {
	item.local_dir = text;
	item.local_dir.replace('\\', '/');
	} else if (state == STATE_REPOSITORIES_REPOSITORY) {
	items.push_back(item);
	}
	if (!state_stack.empty()) {
	state_stack.pop_back();
	}
	break;
	case QXmlStreamReader::Characters:
	text.append(reader.text());
	break;
	}
	}
	}
	return items;
	}
	diff --git a/src/SelectCommandDialog.cpp b/src/SelectCommandDialog.cpp
	index 25c5757..7372d5d 100644
	--- a/src/SelectCommandDialog.cpp
	+++ b/src/SelectCommandDialog.cpp
	@@ -1,98 +1,98 @@
	#include "SelectCommandDialog.h"
	#include "ui_SelectCommandDialog.h"
	#include <QFileDialog>

	-QStringList uniqueStringList(const QStringList &list)
	+QStringList uniqueStringList(QStringList const &list)
	{
	QStringList tmp_list = list;
	std::sort(tmp_list.begin(), tmp_list.end());
	auto end = std::unique(tmp_list.begin(), tmp_list.end());
	QStringList ret_list;
	for (auto it = tmp_list.begin(); it != end; it++) {
	ret_list.push_back(*it);
	}
	return ret_list;
	}

	-SelectCommandDialog::SelectCommandDialog(QWidget *parent, const QString &cmdname, const QStringList &cmdfiles, const QString &path, const QStringList &list) :
	+SelectCommandDialog::SelectCommandDialog(QWidget *parent, QString const &cmdname, QStringList const &cmdfiles, QString const &path, QStringList const &list) :
	QDialog(parent),
	ui(new Ui::SelectCommandDialog)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);

	command_name = cmdname;
	command_files = cmdfiles;

	QString text = tr("Please select the '%1' command you want to use.");
	ui->label->setText(text.arg(cmdfiles.front()));

	this->path = path;

	QStringList list2 = uniqueStringList(list);

	for (QString const &s : list2) {
	if (s.isEmpty()) continue;
	ui->listWidget->addItem(s);
	}

	ui->listWidget->setFocus();
	ui->listWidget->setCurrentRow(0);
	}

	SelectCommandDialog::~SelectCommandDialog()
	{
	delete ui;
	}


	void SelectCommandDialog::on_pushButton_browse_clicked()
	{
	QString dir;
	#ifdef _WIN32
	QString filter;
	for (QString const &cmd : command_files) {
	if (cmd.isEmpty()) continue;
	filter += tr("%1 command (%2);;").arg(command_name).arg(cmd);
	}
	filter += tr("Executable files (*.exe)");
	#else
	QString filter;
	for (QString const &cmd : command_files) {
	if (cmd.isEmpty()) continue;
	filter += tr("%1 command (%2);;").arg(command_name).arg(cmd);
	}
	filter += "All files (*)";
	#endif

	QFileDialog dlg(this);
	dlg.setWindowTitle(tr("%1 command").arg(command_name));
	dlg.setDirectory(dir);
	dlg.setNameFilter(filter);
	dlg.setFilter(QDir::Dirs \| QDir::Executable);
	dlg.setFileMode(QFileDialog::ExistingFile);
	if (dlg.exec() == QDialog::Accepted) {
	QStringList list = dlg.selectedFiles();
	if (!list.empty()) {
	path = list.first();
	accept();
	}
	}
	}

	-void SelectCommandDialog::on_listWidget_currentTextChanged(const QString &currentText)
	+void SelectCommandDialog::on_listWidget_currentTextChanged(QString const &currentText)
	{
	path = currentText;
	}

	QString SelectCommandDialog::selectedFile() const
	{
	return path;
	}

	void SelectCommandDialog::on_listWidget_itemDoubleClicked(QListWidgetItem * /item/)
	{
	accept();
	}
	diff --git a/src/SelectCommandDialog.h b/src/SelectCommandDialog.h
	index 501c030..17def1d 100644
	--- a/src/SelectCommandDialog.h
	+++ b/src/SelectCommandDialog.h
	@@ -1,36 +1,36 @@
	#ifndef SELECTCOMMANDDIALOG_H
	#define SELECTCOMMANDDIALOG_H

	#include <QDialog>

	namespace Ui {
	class SelectCommandDialog;
	}

	class QListWidgetItem;

	class SelectCommandDialog : public QDialog
	{
	Q_OBJECT
	private:
	QString path;
	QString command_name;
	QStringList command_files;
	public:
	- explicit SelectCommandDialog(QWidget *parent, QString const &cmdname, const QStringList &cmdfiles, QString const &path, QStringList const &list);
	+ explicit SelectCommandDialog(QWidget *parent, QString const &cmdname, QStringList const &cmdfiles, QString const &path, QStringList const &list);
	~SelectCommandDialog();

	QString selectedFile() const;
	private slots:

	- void on_listWidget_currentTextChanged(const QString &currentText);
	+ void on_listWidget_currentTextChanged(QString const &currentText);

	void on_pushButton_browse_clicked();

	void on_listWidget_itemDoubleClicked(QListWidgetItem *item);

	private:
	Ui::SelectCommandDialog *ui;
	};

	#endif // SELECTCOMMANDDIALOG_H
	diff --git a/src/SelectItemDialog.cpp b/src/SelectItemDialog.cpp
	index 096f8e0..7b1c056 100644
	--- a/src/SelectItemDialog.cpp
	+++ b/src/SelectItemDialog.cpp
	@@ -1,53 +1,53 @@
	#include "SelectItemDialog.h"
	#include "ui_SelectItemDialog.h"

	SelectItemDialog::SelectItemDialog(QWidget *parent) :
	QDialog(parent),
	ui(new Ui::SelectItemDialog)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);
	}

	SelectItemDialog::~SelectItemDialog()
	{
	delete ui;
	}

	-void SelectItemDialog::addItem(const QString &id, const QString &text)
	+void SelectItemDialog::addItem(QString const &id, QString const &text)
	{
	auto *item = new QListWidgetItem;
	item->setText(text);
	item->setData(Qt::UserRole, id);
	ui->listWidget->addItem(item);
	}

	void SelectItemDialog::select(QString const &id)
	{
	int n = ui->listWidget->count();
	for (int i = 0; i < n; i++) {
	QListWidgetItem *p = ui->listWidget->item(i);
	if (p->data(Qt::UserRole).toString() == id) {
	ui->listWidget->setCurrentRow(i);
	return;
	}
	}
	}

	SelectItemDialog::Item SelectItemDialog::item() const
	{
	Item ret;
	QListWidgetItem *p = ui->listWidget->currentItem();
	if (p) {
	ret.id = p->data(Qt::UserRole).toString();
	ret.text = p->text();
	}
	return ret;
	}

	void SelectItemDialog::on_listWidget_itemDoubleClicked(QListWidgetItem *)
	{
	done(Accepted);
	}
	diff --git a/src/SelectItemDialog.h b/src/SelectItemDialog.h
	index 82f00f7..e40e41e 100644
	--- a/src/SelectItemDialog.h
	+++ b/src/SelectItemDialog.h
	@@ -1,43 +1,43 @@
	#ifndef SELECTITEMDIALOG_H
	#define SELECTITEMDIALOG_H

	#include <QDialog>
	#include <vector>

	class QListWidgetItem;

	namespace Ui {
	class SelectItemDialog;
	}

	class SelectItemDialog : public QDialog {
	Q_OBJECT
	public:
	struct Item {
	QString id;
	QString text;
	Item()
	{
	}
	Item(QString const &id, QString const &text)
	: id(id)
	, text(text)
	{
	}
	};
	public:
	explicit SelectItemDialog(QWidget *parent = 0);
	~SelectItemDialog();

	void addItem(QString const &item, QString const &text);

	Item item() const;
	- void select(const QString &id);
	+ void select(QString const &id);
	private slots:
	void on_listWidget_itemDoubleClicked(QListWidgetItem *);

	private:
	Ui::SelectItemDialog *ui;
	};

	#endif // SELECTITEMDIALOG_H
	diff --git a/src/SetGpgSigningDialog.cpp b/src/SetGpgSigningDialog.cpp
	index 6542647..337c5d1 100644
	--- a/src/SetGpgSigningDialog.cpp
	+++ b/src/SetGpgSigningDialog.cpp
	@@ -1,135 +1,135 @@
	#include "SelectGpgKeyDialog.h"
	#include "SetGpgSigningDialog.h"
	#include "ui_SetGpgSigningDialog.h"
	#include "ApplicationGlobal.h"
	#include "MainWindow.h"
	#include "ConfigSigningDialog.h"

	struct SetGpgSigningDialog::Private {
	QList<gpg::Data> keys;
	QString global_key_id;
	QString repository_key_id;
	};

	-SetGpgSigningDialog::SetGpgSigningDialog(QWidget *parent, QString const &repo, const QString &global_key_id, const QString &repository_key_id)
	+SetGpgSigningDialog::SetGpgSigningDialog(QWidget *parent, QString const &repo, QString const &global_key_id, QString const &repository_key_id)
	: QDialog(parent)
	, ui(new Ui::SetGpgSigningDialog)
	, m(new Private)
	{
	ui->setupUi(this);

	gpg::listKeys(global->gpg_command, &m->keys);

	m->global_key_id = global_key_id;
	m->repository_key_id = repository_key_id;

	if (repo.isEmpty()) {
	ui->radioButton_repository->setEnabled(false);
	} else {
	QString text = tr("Repository");
	text += " : ";
	text += repo;
	ui->radioButton_repository->setText(text);
	}

	QRadioButton *w = repository_key_id.isEmpty() ? ui->radioButton_global : ui->radioButton_repository;
	w->setFocus();
	w->click();
	}

	SetGpgSigningDialog::~SetGpgSigningDialog()
	{
	delete m;
	delete ui;
	}

	MainWindow *SetGpgSigningDialog::mainwindow()
	{
	return qobject_cast<MainWindow *>(parent());
	}

	bool SetGpgSigningDialog::isGlobalChecked() const
	{
	return ui->radioButton_global->isChecked();
	}

	bool SetGpgSigningDialog::isRepositoryChecked() const
	{
	return ui->radioButton_repository->isChecked();
	}

	void SetGpgSigningDialog::setKey_(const gpg::Data &key)
	{
	if (isGlobalChecked()) m->global_key_id = key.id;
	if (isRepositoryChecked()) m->repository_key_id = key.id;

	ui->lineEdit_id->setText(key.id);
	ui->lineEdit_name->setText(key.name);
	ui->lineEdit_mail->setText(key.mail);
	}

	void SetGpgSigningDialog::setKey_(QString const &key_id)
	{
	gpg::Data key;
	for (gpg::Data const &k : m->keys) {
	if (k.id.compare(key_id, Qt::CaseInsensitive) == 0) {
	key = k;
	break;
	}
	}
	setKey_(key);
	}

	QString SetGpgSigningDialog::id() const
	{
	return ui->lineEdit_id->text();
	}

	QString SetGpgSigningDialog::name() const
	{
	return ui->lineEdit_name->text();
	}

	QString SetGpgSigningDialog::mail() const
	{
	return ui->lineEdit_mail->text();
	}

	void SetGpgSigningDialog::on_pushButton_select_clicked()
	{
	gpg::listKeys(global->gpg_command, &m->keys);
	SelectGpgKeyDialog dlg(this, m->keys);
	if (dlg.exec() == QDialog::Accepted) {
	gpg::Data key = dlg.key();
	for (gpg::Data const &k : m->keys) {
	if (k.id.compare(key.id, Qt::CaseInsensitive) == 0) {
	key = k;
	break;
	}
	}
	setKey_(key);
	}
	}

	void SetGpgSigningDialog::on_pushButton_clear_clicked()
	{
	setKey_(gpg::Data());
	}

	void SetGpgSigningDialog::on_radioButton_global_clicked()
	{
	setKey_(m->global_key_id);
	}

	void SetGpgSigningDialog::on_radioButton_repository_clicked()
	{
	setKey_(m->repository_key_id);
	}



	void SetGpgSigningDialog::on_pushButton_configure_clicked()
	{
	ConfigSigningDialog dlg(this, mainwindow(), true);
	dlg.exec();
	}
	diff --git a/src/SetGpgSigningDialog.h b/src/SetGpgSigningDialog.h
	index 3dc94c5..efded5b 100644
	--- a/src/SetGpgSigningDialog.h
	+++ b/src/SetGpgSigningDialog.h
	@@ -1,48 +1,48 @@
	#ifndef SETGPGSIGNINGDIALOG_H
	#define SETGPGSIGNINGDIALOG_H

	#include <QDialog>
	#include "gpg.h"

	class MainWindow;

	namespace Ui {
	class SetGpgSigningDialog;
	}

	class SetGpgSigningDialog : public QDialog
	{
	Q_OBJECT
	private:
	struct Private;
	Private *m;

	MainWindow *mainwindow();

	public:
	- explicit SetGpgSigningDialog(QWidget *parent, const QString &repo, QString const &global_key_id, QString const &repository_key_id);
	+ explicit SetGpgSigningDialog(QWidget *parent, QString const &repo, QString const &global_key_id, QString const &repository_key_id);
	~SetGpgSigningDialog();

	QString id() const;
	QString name() const;
	QString mail() const;
	bool isGlobalChecked() const;
	bool isRepositoryChecked() const;
	private slots:
	void on_radioButton_global_clicked();

	void on_radioButton_repository_clicked();

	void on_pushButton_select_clicked();

	void on_pushButton_clear_clicked();

	void on_pushButton_configure_clicked();

	private:
	Ui::SetGpgSigningDialog *ui;
	void setKey_(gpg::Data const &key);
	- void setKey_(const QString &key_id);
	+ void setKey_(QString const &key_id);
	};

	#endif // SETGPGSIGNINGDIALOG_H
	diff --git a/src/SetRemoteUrlDialog.h b/src/SetRemoteUrlDialog.h
	index a88d3d5..803fadd 100644
	--- a/src/SetRemoteUrlDialog.h
	+++ b/src/SetRemoteUrlDialog.h
	@@ -1,33 +1,33 @@
	#ifndef SETREMOTEURLDIALOG_H
	#define SETREMOTEURLDIALOG_H

	#include <QDialog>
	#include "Git.h"
	#include "RepositoryPropertyDialog.h"

	class MainWindow;

	namespace Ui {
	class SetRemoteUrlDialog;
	}

	class SetRemoteUrlDialog : public BasicRepositoryDialog
	{
	Q_OBJECT
	private:
	QStringList remotes;
	public:
	- explicit SetRemoteUrlDialog(MainWindow *mainwindow, const QStringList &remotes, GitPtr g);
	+ explicit SetRemoteUrlDialog(MainWindow *mainwindow, QStringList const &remotes, GitPtr g);
	~SetRemoteUrlDialog();

	int exec();
	private:
	Ui::SetRemoteUrlDialog *ui;
	void updateRemotesTable();
	public slots:
	void accept();
	private slots:
	void on_pushButton_test_clicked();
	};

	#endif // SETREMOTEURLDIALOG_H
	diff --git a/src/SetUserDialog.cpp b/src/SetUserDialog.cpp
	index 1582d2b..5530dde 100644
	--- a/src/SetUserDialog.cpp
	+++ b/src/SetUserDialog.cpp
	@@ -1,130 +1,130 @@
	#include "AvatarLoader.h"
	#include "MainWindow.h"
	#include "SetUserDialog.h"
	#include "ui_SetUserDialog.h"
	#include "common/misc.h"

	struct SetUserDialog::Private {
	Git::User global_user;
	Git::User repo_user;
	AvatarLoader avatar_loader;
	};

	SetUserDialog::SetUserDialog(MainWindow *parent, Git::User const &global_user, Git::User const &repo_user, QString const &repo)
	: QDialog(parent)
	, ui(new Ui::SetUserDialog)
	, m(new Private)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);

	misc::setFixedSize(this);

	m->global_user = global_user;
	m->repo_user = repo_user;

	if (repo.isEmpty()) {
	ui->radioButton_repository->setEnabled(false);
	} else {
	QString text = tr("Repository");
	text += " : ";
	text += repo;
	ui->radioButton_repository->setText(text);
	}
	ui->radioButton_global->click();
	ui->lineEdit_name->setFocus();

	m->avatar_loader.start(mainwindow()->webContext());
	connect(&m->avatar_loader, &AvatarLoader::updated, [&](){
	QString email = ui->lineEdit_mail->text();
	QIcon icon = m->avatar_loader.fetch(email.toStdString(), false);
	setAvatar(icon);
	});
	}

	SetUserDialog::~SetUserDialog()
	{
	m->avatar_loader.stop();
	delete m;
	delete ui;
	}

	MainWindow *SetUserDialog::mainwindow()
	{
	return qobject_cast<MainWindow *>(parent());
	}

	bool SetUserDialog::isGlobalChecked() const
	{
	return ui->radioButton_global->isChecked();
	}

	bool SetUserDialog::isRepositoryChecked() const
	{
	return ui->radioButton_repository->isChecked();
	}

	Git::User SetUserDialog::user() const
	{
	Git::User user;
	user.name = ui->lineEdit_name->text();
	user.email = ui->lineEdit_mail->text();
	return user;
	}

	void SetUserDialog::setAvatar(QIcon icon)
	{
	QPixmap pm = icon.pixmap(QSize(64, 64));
	ui->label_avatar->setPixmap(pm);
	}

	void SetUserDialog::on_radioButton_global_toggled(bool checked)
	{
	if (checked) {
	ui->lineEdit_name->setText(m->global_user.name);
	ui->lineEdit_mail->setText(m->global_user.email);
	}
	}

	void SetUserDialog::on_radioButton_repository_toggled(bool checked)
	{
	if (checked) {
	ui->lineEdit_name->setText(m->repo_user.name);
	ui->lineEdit_mail->setText(m->repo_user.email);
	}
	}

	-void SetUserDialog::on_lineEdit_name_textChanged(const QString &text)
	+void SetUserDialog::on_lineEdit_name_textChanged(QString const &text)
	{
	if (isGlobalChecked()) {
	m->global_user.name = text;
	}
	if (isRepositoryChecked()) {
	m->repo_user.name = text;
	}
	}

	-void SetUserDialog::on_lineEdit_mail_textChanged(const QString &text)
	+void SetUserDialog::on_lineEdit_mail_textChanged(QString const &text)
	{
	if (isGlobalChecked()) {
	m->global_user.email = text;
	}
	if (isRepositoryChecked()) {
	m->repo_user.email = text;
	}
	}

	void SetUserDialog::on_pushButton_get_icon_clicked()
	{
	ui->label_avatar->setPixmap(QPixmap());
	QString email = ui->lineEdit_mail->text();
	if (email.indexOf('@') > 0) {
	QIcon icon = m->avatar_loader.fetch(email.toStdString(), true);
	if (!icon.isNull()) {
	setAvatar(icon);
	}
	}
	}

	diff --git a/src/SetUserDialog.h b/src/SetUserDialog.h
	index 01c8675..31c19a9 100644
	--- a/src/SetUserDialog.h
	+++ b/src/SetUserDialog.h
	@@ -1,45 +1,45 @@
	#ifndef SETUSERDIALOG_H
	#define SETUSERDIALOG_H

	#include "Git.h"

	#include <QDialog>

	class MainWindow;

	namespace Ui {
	class SetUserDialog;
	}

	class SetUserDialog : public QDialog
	{
	Q_OBJECT
	private:
	struct Private;
	Private *m;
	public:
	- explicit SetUserDialog(MainWindow *parent, const Git::User &global_user, const Git::User &repo_user, const QString &repo);
	+ explicit SetUserDialog(MainWindow *parent, const Git::User &global_user, const Git::User &repo_user, QString const &repo);
	~SetUserDialog();

	bool isGlobalChecked() const;
	bool isRepositoryChecked() const;

	Git::User user() const;
	private slots:
	void on_radioButton_global_toggled(bool checked);

	void on_radioButton_repository_toggled(bool checked);

	- void on_lineEdit_name_textChanged(const QString &text);
	+ void on_lineEdit_name_textChanged(QString const &text);

	- void on_lineEdit_mail_textChanged(const QString &text);
	+ void on_lineEdit_mail_textChanged(QString const &text);

	void on_pushButton_get_icon_clicked();

	private:
	Ui::SetUserDialog *ui;
	void setAvatar(QIcon icon);
	MainWindow *mainwindow();
	};

	#endif // SETUSERDIALOG_H
	diff --git a/src/TextEditDialog.cpp b/src/TextEditDialog.cpp
	index 0dd9be3..6febeae 100644
	--- a/src/TextEditDialog.cpp
	+++ b/src/TextEditDialog.cpp
	@@ -1,88 +1,88 @@
	#include "TextEditDialog.h"
	#include "ui_TextEditDialog.h"

	#include <QDir>

	TextEditDialog::TextEditDialog(QWidget *parent) :
	QDialog(parent),
	ui(new Ui::TextEditDialog)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);

	ui->lineEdit_path->setVisible(false);

	ui->plainTextEdit->setFocus();
	}

	TextEditDialog::~TextEditDialog()
	{
	delete ui;
	}

	-void TextEditDialog::setText(const QString &text)
	+void TextEditDialog::setText(QString const &text)
	{
	ui->plainTextEdit->setPlainText(text);
	QTextCursor cur = ui->plainTextEdit->textCursor();
	cur.movePosition(QTextCursor::End, QTextCursor::MoveAnchor);
	ui->plainTextEdit->setTextCursor(cur);
	}

	QString TextEditDialog::text() const
	{
	return ui->plainTextEdit->toPlainText();
	}


	void TextEditDialog::keyPressEvent(QKeyEvent *event)
	{
	if (event->modifiers() & Qt::ControlModifier) {
	if (event->key() == Qt::Key_Return \|\| event->key() == Qt::Key_Enter) {
	event->accept();
	accept();
	return;
	}
	}
	QDialog::keyPressEvent(event);
	}

	bool TextEditDialog::editFile(QWidget *parent, QString path, QString const &title, QString const &append)
	{
	QString text;

	path.replace('/', QDir::separator());

	QFile file(path);
	if (file.open(QFile::ReadOnly)) {
	text += QString::fromUtf8(file.readAll());
	}

	size_t n = text.size();
	if (n > 0 && text[(int)n - 1] != '\n') {
	text += '\n'; // 最後に改行を追加
	}

	text += append;

	TextEditDialog dlg(parent);
	dlg.setWindowTitle(title);
	dlg.ui->lineEdit_path->setVisible(true);
	dlg.ui->lineEdit_path->setText(path);
	dlg.setText(text);

	bool ok = false;

	if (dlg.exec() == QDialog::Accepted) {
	text = dlg.text();
	QFile file(path);
	if (file.open(QFile::WriteOnly)) {
	file.write(text.toUtf8());
	ok = true;
	}
	}

	return ok;
	}

	diff --git a/src/TextEditDialog.h b/src/TextEditDialog.h
	index 9ac0811..7590772 100644
	--- a/src/TextEditDialog.h
	+++ b/src/TextEditDialog.h
	@@ -1,31 +1,31 @@
	#ifndef TEXTEDITDIALOG_H
	#define TEXTEDITDIALOG_H

	#include <QDialog>

	namespace Ui {
	class TextEditDialog;
	}

	class TextEditDialog : public QDialog
	{
	Q_OBJECT

	public:
	explicit TextEditDialog(QWidget *parent = 0);
	~TextEditDialog();

	void setText(QString const &text);
	QString text() const;


	- static bool editFile(QWidget *parent, QString path, const QString &title, const QString &append = QString());
	+ static bool editFile(QWidget *parent, QString path, QString const &title, QString const &append = QString());
	private:
	Ui::TextEditDialog *ui;

	// QWidget interface
	protected:
	void keyPressEvent(QKeyEvent *);
	};

	#endif // TEXTEDITDIALOG_H
	diff --git a/src/WelcomeWizardDialog.cpp b/src/WelcomeWizardDialog.cpp
	index 597ae13..f634ba6 100644
	--- a/src/WelcomeWizardDialog.cpp
	+++ b/src/WelcomeWizardDialog.cpp
	@@ -1,190 +1,190 @@
	#include "WelcomeWizardDialog.h"
	#include "ui_WelcomeWizardDialog.h"
	#include <QFileDialog>
	#include "MainWindow.h"
	#include "common/misc.h"
	#include "Git.h"

	WelcomeWizardDialog::WelcomeWizardDialog(MainWindow *parent) :
	QDialog(parent),
	ui(new Ui::WelcomeWizardDialog)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	setWindowFlags(flags);

	mainwindow_ = parent;

	pages_.push_back(ui->page_helper_tools);
	pages_.push_back(ui->page_global_user_information);
	pages_.push_back(ui->page_default_working_folder);
	pages_.push_back(ui->page_finish);
	ui->stackedWidget->setCurrentWidget(pages_[0]);
	on_stackedWidget_currentChanged(0);

	avatar_loader_.start(mainwindow_->webContext());
	connect(&avatar_loader_, &AvatarLoader::updated, [&](){
	QString email = ui->lineEdit_user_email->text();
	QIcon icon = avatar_loader_.fetch(email.toStdString(), false);
	setAvatar(icon);
	});

	ui->lineEdit_user_name->setFocus();
	}

	WelcomeWizardDialog::~WelcomeWizardDialog()
	{
	avatar_loader_.stop();
	delete ui;
	}

	-void WelcomeWizardDialog::set_user_name(const QString &v)
	+void WelcomeWizardDialog::set_user_name(QString const &v)
	{
	ui->lineEdit_user_name->setText(v);
	}

	-void WelcomeWizardDialog::set_user_email(const QString &v)
	+void WelcomeWizardDialog::set_user_email(QString const &v)
	{
	ui->lineEdit_user_email->setText(v);
	}

	-void WelcomeWizardDialog::set_default_working_folder(const QString &v)
	+void WelcomeWizardDialog::set_default_working_folder(QString const &v)
	{
	ui->lineEdit_default_working_folder->setText(v);

	}

	-void WelcomeWizardDialog::set_git_command_path(const QString &v)
	+void WelcomeWizardDialog::set_git_command_path(QString const &v)
	{
	ui->lineEdit_git->setText(v);
	}

	-void WelcomeWizardDialog::set_file_command_path(const QString &v)
	+void WelcomeWizardDialog::set_file_command_path(QString const &v)
	{
	ui->lineEdit_file->setText(v);
	}

	QString WelcomeWizardDialog::user_name() const
	{
	return ui->lineEdit_user_name->text();
	}

	QString WelcomeWizardDialog::user_email() const
	{
	return ui->lineEdit_user_email->text();
	}

	QString WelcomeWizardDialog::default_working_folder() const
	{
	return ui->lineEdit_default_working_folder->text();
	}

	QString WelcomeWizardDialog::git_command_path() const
	{
	return ui->lineEdit_git->text();
	}

	QString WelcomeWizardDialog::file_command_path() const
	{
	return ui->lineEdit_file->text();
	}

	void WelcomeWizardDialog::on_pushButton_prev_clicked()
	{
	int i = pages_.indexOf(ui->stackedWidget->currentWidget());
	if (i == 0) {
	done(QDialog::Rejected);
	return;
	}
	if (i > 0) {
	i--;
	QWidget *w = pages_[i];
	ui->stackedWidget->setCurrentWidget(w);
	}
	}

	void WelcomeWizardDialog::on_pushButton_next_clicked()
	{
	if (ui->stackedWidget->currentWidget() == ui->page_finish) {
	done(QDialog::Accepted);
	}
	int i = pages_.indexOf(ui->stackedWidget->currentWidget());
	if (i + 1 < pages_.size()) {
	i++;
	QWidget *w = pages_[i];
	ui->stackedWidget->setCurrentWidget(w);
	}
	}

	void WelcomeWizardDialog::on_stackedWidget_currentChanged(int /arg1/)
	{
	QString prev_text;
	QString next_text;
	QWidget *w = ui->stackedWidget->currentWidget();
	if (w == ui->page_helper_tools) {
	prev_text = tr("Cancel");
	ui->lineEdit_git->setFocus();
	} else if (w == ui->page_global_user_information) {
	if (user_name().isEmpty() && user_email().isEmpty()) {
	Git::Context gcx;
	gcx.git_command = git_command_path();
	Git g(gcx, QString());
	Git::User user = g.getUser(Git::Source::Global);
	set_user_name(user.name);
	set_user_email(user.email);
	}
	} else if (w == ui->page_default_working_folder) {
	ui->lineEdit_default_working_folder->setFocus();
	} else if (w == ui->page_finish) {
	ui->lineEdit_preview_user->setText(ui->lineEdit_user_name->text());
	ui->lineEdit_preview_email->setText(ui->lineEdit_user_email->text());
	ui->lineEdit_preview_folder->setText(ui->lineEdit_default_working_folder->text());
	ui->lineEdit_preview_git->setText(ui->lineEdit_git->text());
	ui->lineEdit_preview_file->setText(ui->lineEdit_file->text());
	next_text = tr("Finish");
	}
	ui->pushButton_prev->setText(prev_text.isEmpty() ? tr("<< Prev") : prev_text);
	ui->pushButton_next->setText(next_text.isEmpty() ? tr("Next >>") : next_text);
	ui->pushButton_next->setDefault(true);
	}

	void WelcomeWizardDialog::on_pushButton_browse_default_workiing_folder_clicked()
	{
	QString s = ui->lineEdit_default_working_folder->text();
	s = QFileDialog::getExistingDirectory(this, tr("Default Working Folder"), s);
	s = misc::normalizePathSeparator(s);
	ui->lineEdit_default_working_folder->setText(s);
	}


	void WelcomeWizardDialog::on_pushButton_browse_git_clicked()
	{
	QString s = mainwindow_->selectGitCommand(false);
	ui->lineEdit_git->setText(s);
	}

	void WelcomeWizardDialog::on_pushButton_browse_file_clicked()
	{
	QString s = mainwindow_->selectFileCommand(false);
	ui->lineEdit_file->setText(s);
	}

	void WelcomeWizardDialog::setAvatar(QIcon const &icon)
	{
	QPixmap pm = icon.pixmap(QSize(64, 64));
	ui->label_avatar->setPixmap(pm);
	}

	void WelcomeWizardDialog::on_pushButton_get_icon_clicked()
	{
	ui->label_avatar->setPixmap(QPixmap());
	QString email = ui->lineEdit_user_email->text();
	if (email.indexOf('@') > 0) {
	QIcon icon = avatar_loader_.fetch(email.toStdString(), true);
	if (!icon.isNull()) {
	setAvatar(icon);
	}
	}
	}

	diff --git a/src/common/misc.cpp b/src/common/misc.cpp
	index 29540fe..d305bb9 100644
	--- a/src/common/misc.cpp
	+++ b/src/common/misc.cpp
	@@ -1,463 +1,463 @@
	#include "common/misc.h"
	#include <QDebug>
	#include <QFileInfo>
	#include <QPainter>
	#include <QProcess>
	#include <QWidget>
	#include <QContextMenuEvent>
	#include <vector>
	#include "common/joinpath.h"
	#include "misc.h"

	QString misc::getApplicationDir()
	{
	QString path = QApplication::applicationFilePath();
	int i = path.lastIndexOf('\\');
	int j = path.lastIndexOf('/');
	if (i < j) i = j;
	if (i > 0) path = path.mid(0, i);
	return path;
	}

	QStringList misc::splitLines(QByteArray const &ba, std::function<QString(char const *ptr, size_t len)> const &tos)
	{
	QStringList list;
	char const *begin = ba.data();
	char const *end = begin + ba.size();
	char const *ptr = begin;
	char const *left = ptr;
	while (1) {
	ushort c = 0;
	if (ptr < end) {
	c = *ptr;
	}
	if (c == '\n' \|\| c == '\r' \|\| c == 0) {
	list.push_back(tos(left, ptr - left));
	if (c == 0) break;
	if (c == '\n') {
	ptr++;
	} else if (c == '\r') {
	ptr++;
	if (ptr < end && *ptr == '\n') {
	ptr++;
	}
	}
	left = ptr;
	} else {
	ptr++;
	}
	}
	return list;
	}

	-QStringList misc::splitLines(const QString &text)
	+QStringList misc::splitLines(QString const &text)
	{
	QStringList list;
	ushort const *begin = text.utf16();
	ushort const *end = begin + text.size();
	ushort const *ptr = begin;
	ushort const *left = ptr;
	while (1) {
	ushort c = 0;
	if (ptr < end) {
	c = *ptr;
	}
	if (c == '\n' \|\| c == '\r' \|\| c == 0) {
	list.push_back(QString::fromUtf16(left, ptr - left));
	if (c == 0) break;
	if (c == '\n') {
	ptr++;
	} else if (c == '\r') {
	ptr++;
	if (ptr < end && *ptr == '\n') {
	ptr++;
	}
	}
	left = ptr;
	} else {
	ptr++;
	}
	}
	return list;
	}

	void misc::splitLines(char const begin, char const end, std::vector<std::string> *out, bool keep_newline)
	{
	char const *ptr = begin;
	char const *left = ptr;
	while (1) {
	char c = 0;
	if (ptr < end) {
	c = *ptr;
	}
	if (c == '\n' \|\| c == '\r' \|\| c == 0) {
	char const *right = ptr;
	if (c == '\n') {
	ptr++;
	} else if (c == '\r') {
	ptr++;
	if (ptr < end && *ptr == '\n') {
	ptr++;
	}
	}
	if (keep_newline) {
	right = ptr;
	}
	out->push_back(std::string(left, right - left));
	if (c == 0) break;
	left = ptr;
	} else {
	ptr++;
	}
	}
	}

	void misc::splitLines(std::string const &text, std::vector<std::string> *out, bool need_crlf)
	{
	char const *begin = text.c_str();
	char const *end = begin + text.size();
	splitLines(begin, end, out, need_crlf);
	}

	-QStringList misc::splitWords(const QString &text)
	+QStringList misc::splitWords(QString const &text)
	{
	QStringList list;
	ushort const *begin = text.utf16();
	ushort const *end = begin + text.size();
	ushort const *ptr = begin;
	ushort const *left = ptr;
	while (1) {
	ushort c = 0;
	if (ptr < end) {
	c = *ptr;
	}
	if (QChar::isSpace(c) \|\| c == 0) {
	if (left < ptr) {
	list.push_back(QString::fromUtf16(left, ptr - left));
	}
	if (c == 0) break;
	ptr++;
	left = ptr;
	} else {
	ptr++;
	}
	}
	return list;
	}

	QString misc::getFileName(QString const &path)
	{
	int i = path.lastIndexOf('/');
	int j = path.lastIndexOf('\\');
	if (i < j) i = j;
	if (i >= 0) {
	return path.mid(i + 1);
	}
	return path;
	}

	QString misc::makeDateTimeString(QDateTime const &dt)
	{
	if (dt.isValid()) {
	#if 0
	char tmp[100];
	sprintf(tmp, "%04u-%02u-%02u %02u:%02u:%02u"
	, dt.date().year()
	, dt.date().month()
	, dt.date().day()
	, dt.time().hour()
	, dt.time().minute()
	, dt.time().second()
	);
	return tmp;
	#elif 0
	QString s = dt.toLocalTime().toString(Qt::DefaultLocaleShortDate);
	return s;
	#else
	QString s = dt.toLocalTime().toString(Qt::ISODate);
	s.replace('T', ' ');
	return s;
	#endif
	}
	return QString();
	}

	bool misc::starts_with(const std::string &str, const std::string &with)
	{
	return strncmp(str.c_str(), with.c_str(), with.size()) == 0;
	}

	std::string misc::mid(const std::string &str, int start, int length)
	{
	int size = (int)str.size();
	if (length < 0) length = size;

	length += start;
	if (start < 0) start = 0;
	if (length < 0) length = 0;
	if (start > size) start = size;
	if (length > size) length = size;
	length -= start;

	return std::string(str.c_str() + start, length);
	}

	#ifdef _WIN32
	QString misc::normalizePathSeparator(QString const &str)
	{
	if (!str.isEmpty()) {
	ushort const *s = str.utf16();
	size_t n = str.size();
	std::vector<ushort> v;
	v.reserve(n);
	for (size_t i = 0; i < n; i++) {
	ushort c = s[i];
	if (c == '/') {
	c = '\\';
	}
	v.push_back(c);
	}
	ushort const *p = &v[0];
	return QString::fromUtf16(p, n);
	}
	return QString();
	}
	#else
	QString misc::normalizePathSeparator(QString const &s)
	{
	return s;
	}
	#endif

	QString misc::joinWithSlash(QString const &left, QString const &right)
	{
	if (!left.isEmpty() && !right.isEmpty()) {
	return joinpath(left, right);
	}
	return !left.isEmpty() ? left : right;
	}

	void misc::setFixedSize(QWidget *w)
	{
	Qt::WindowFlags flags = w->windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	flags \|= Qt::MSWindowsFixedSizeDialogHint;
	w->setWindowFlags(flags);
	w->setFixedSize(w->size());
	}

	void misc::drawFrame(QPainter *pr, int x, int y, int w, int h, QColor color_topleft, QColor color_bottomright)
	{
	if (w < 3 \|\| h < 3) {
	if (w > 0 && h > 0) {
	pr->fillRect(x, y, w, h, color_topleft);
	}
	} else {
	if (!color_topleft.isValid()) color_topleft = Qt::black;
	if (!color_bottomright.isValid()) color_bottomright = color_topleft;
	pr->fillRect(x, y, w - 1, 1, color_topleft);
	pr->fillRect(x, y + 1, 1, h -1, color_topleft);
	pr->fillRect(x + w - 1, y, 1, h -1, color_bottomright);
	pr->fillRect(x + 1, y + h - 1, w - 1, 1, color_bottomright);
	}
	}

	void misc::dump(uint8_t const *ptr, size_t len)
	{
	if (ptr && len > 0) {
	size_t pos = 0;
	while (pos < len) {
	char tmp[100];
	char *dst = tmp;
	sprintf(dst, "%08llX ", ((unsigned long long)(pos)));
	dst += 9;
	for (int i = 0; i < 16; i++) {
	if (pos + i < len) {
	sprintf(dst, "%02X ", ptr[pos + i] & 0xff);
	} else {
	sprintf(dst, " ");
	}
	dst += 3;
	}
	for (int i = 0; i < 16; i++) {
	int c = ' ';
	if (pos < len) {
	c = ptr[pos] & 0xff;
	if (!isprint(c)) {
	c = '.';
	}
	pos++;
	}
	*dst = c;
	dst++;
	}
	*dst = 0;
	qDebug() << tmp;
	}
	}
	}

	void misc::dump(const QByteArray *in)
	{
	size_t len = 0;
	uint8_t const *ptr = nullptr;
	if (in) {
	len = in->size();
	if (len > 0) {
	ptr = (uint8_t const *)in->data();
	}
	}
	dump(ptr, len);
	}

	-bool misc::isText(const QString &mimetype)
	+bool misc::isText(QString const &mimetype)
	{
	return mimetype.startsWith("text/");
	}

	-bool misc::isSVG(const QString &mimetype)
	+bool misc::isSVG(QString const &mimetype)
	{
	if (mimetype == "image/svg") return true;
	if (mimetype == "image/svg+xml") return true;
	return false;
	}

	-bool misc::isPSD(const QString &mimetype)
	+bool misc::isPSD(QString const &mimetype)
	{
	if (mimetype == "image/vnd.adobe.photoshop") return true;
	return false;
	}

	-bool misc::isImage(const QString &mimetype)
	+bool misc::isImage(QString const &mimetype)
	{
	#if 0
	if (mimetype == "image/jpeg") return true;
	if (mimetype == "image/jpg") return true;
	if (mimetype == "image/png") return true;
	if (mimetype == "image/gif") return true;
	if (mimetype == "image/bmp") return true;
	if (mimetype == "image/x-ms-bmp") return true;
	if (mimetype == "image/x-icon") return true;
	if (mimetype == "image/tiff") return true;
	if (isSVG(mimetype)) return true;
	if (isPSD(mimetype)) return true;
	return false;
	#else
	return mimetype.startsWith("image/");
	#endif
	}

	QString misc::abbrevBranchName(QString const &name)
	{
	QStringList sl = name.split('/');
	if (sl.size() == 1) return sl[0];
	QString newname;
	for (int i = 0; i < sl.size(); i++) {
	QString s = sl[i];
	if (i + 1 < sl.size()) {
	s = s.mid(0, 1);
	}
	if (i > 0) {
	newname += '/';
	}
	newname += s;
	}
	return newname;
	}

	-QString misc::determinFileType(const QString &filecommand, const QString &path, bool mime, std::function<void (const QString &, QByteArray *)> const &callback)
	+QString misc::determinFileType(QString const &filecommand, QString const &path, bool mime, std::function<void (QString const &, QByteArray *)> const &callback)
	{ // ファイルタイプを調べる
	if (QFileInfo(filecommand).isExecutable()) {
	QString const &file = filecommand;
	QString mgc;
	#ifdef Q_OS_WIN
	int i = file.lastIndexOf('/');
	int j = file.lastIndexOf('\\');
	if (i < j) i = j;
	if (i >= 0) {
	mgc = file.mid(0, i + 1) + "magic.mgc";
	if (QFileInfo(mgc).isReadable()) {
	// ok
	} else {
	mgc = QString();
	}
	}
	#endif
	QString cmd;
	if (mgc.isEmpty()) {
	cmd = "\"%1\"";
	cmd = cmd.arg(file);
	} else {
	cmd = "\"%1\" -m \"%2\"";
	cmd = cmd.arg(file).arg(mgc);
	cmd = cmd.replace('\\', '/');
	}
	if (mime) {
	cmd += " --mime";
	}
	cmd += " --brief ";
	if (path == "-") {
	cmd += path;
	} else {
	cmd += QString("\"%1\"").arg(path);
	}
	cmd = misc::normalizePathSeparator(cmd);

	// run file command

	QByteArray ba;

	callback(cmd, &ba);

	// parse file type

	if (!ba.isEmpty()) {
	QString s = QString::fromUtf8(ba).trimmed();
	QStringList list = s.split(';', QString::SkipEmptyParts);
	if (!list.isEmpty()) {
	QString mimetype = list[0].trimmed();
	return mimetype;
	}
	}

	} else {
	qDebug() << "No executable 'file' command";
	}
	return QString();
	}

	std::string misc::makeProxyServerURL(std::string text)
	{
	if (!text.empty() && !strstr(text.c_str(), "://")) {
	text = "http://" + text;
	if (text[text.size() - 1] != '/') {
	text += '/';
	}
	}
	return text;
	}

	QString misc::makeProxyServerURL(QString text)
	{
	if (!text.isEmpty() && text.indexOf("://") < 0) {
	text = "http://" + text;
	if (text[text.size() - 1] != '/') {
	text += '/';
	}
	}
	return text;
	}

	QPoint misc::contextMenuPos(QWidget w, QContextMenuEvent e)
	{
	if (e && e->reason() == QContextMenuEvent::Mouse) {
	return QCursor::pos() + QPoint(8, -8);
	}
	return w->mapToGlobal(QPoint(4, 4));
	}

	-bool misc::isExecutable(const QString &cmd)
	+bool misc::isExecutable(QString const &cmd)
	{
	QFileInfo info(cmd);
	return info.isExecutable();
	}
	diff --git a/src/common/misc.h b/src/common/misc.h
	index d8ad3b6..8797d0d 100644
	--- a/src/common/misc.h
	+++ b/src/common/misc.h
	@@ -1,57 +1,57 @@
	#ifndef MISC_H
	#define MISC_H

	#include <QApplication>
	#include <QStringList>
	#include <QDateTime>
	#include <functional>
	#include <vector>
	#include <cstdint>
	#include <QColor>

	class QContextMenuEvent;

	class misc {
	public:
	static QString getApplicationDir();
	- static QStringList splitLines(const QByteArray &text, std::function<QString(char const *ptr, size_t len)> const &tos);
	+ static QStringList splitLines(QByteArray const &text, std::function<QString(char const *ptr, size_t len)> const &tos);
	static QStringList splitLines(QString const &text);
	- static void splitLines(const char begin, const char end, std::vector<std::string> *out, bool keep_newline);
	+ static void splitLines(char const begin, char const end, std::vector<std::string> *out, bool keep_newline);
	static void splitLines(const std::string &text, std::vector<std::string> *out, bool need_crlf);
	- static QStringList splitWords(const QString &text);
	- static QString getFileName(const QString &path);
	+ static QStringList splitWords(QString const &text);
	+ static QString getFileName(QString const &path);
	static QString makeDateTimeString(const QDateTime &dt);
	static bool starts_with(std::string const &str, std::string const &with);
	static std::string mid(std::string const &str, int start, int length = -1);
	- static QString normalizePathSeparator(const QString &str);
	- static QString joinWithSlash(const QString &left, const QString &right);
	+ static QString normalizePathSeparator(QString const &str);
	+ static QString joinWithSlash(QString const &left, QString const &right);
	static void setFixedSize(QWidget *w);
	static void drawFrame(QPainter *pr, int x, int y, int w, int h, QColor color_topleft, QColor color_bottomright = QColor());
	static void dump(const uint8_t *ptr, size_t len);
	static void dump(QByteArray const *in);
	- static bool isText(const QString &mimetype);
	- static bool isImage(const QString &mimetype);
	- static bool isSVG(const QString &mimetype);
	- static bool isPSD(const QString &mimetype);
	- static QString abbrevBranchName(const QString &name);
	- static QString determinFileType(const QString &filecommand, const QString &path, bool mime, std::function<void(const QString &, QByteArray *)> const &callback);
	+ static bool isText(QString const &mimetype);
	+ static bool isImage(QString const &mimetype);
	+ static bool isSVG(QString const &mimetype);
	+ static bool isPSD(QString const &mimetype);
	+ static QString abbrevBranchName(QString const &name);
	+ static QString determinFileType(QString const &filecommand, QString const &path, bool mime, std::function<void(QString const &, QByteArray *)> const &callback);
	static std::string makeProxyServerURL(std::string text);
	static QString makeProxyServerURL(QString text);
	static QPoint contextMenuPos(QWidget w, QContextMenuEvent e);
	static bool isExecutable(QString const &cmd);
	};

	class OverrideWaitCursor_ {
	public:
	OverrideWaitCursor_()
	{
	qApp->setOverrideCursor(Qt::WaitCursor);
	}
	~OverrideWaitCursor_()
	{
	qApp->restoreOverrideCursor();
	}
	};
	#define OverrideWaitCursor OverrideWaitCursor_ waitcursor_; (void)waitcursor_;

	#endif // MISC_H
	diff --git a/src/gpg.cpp b/src/gpg.cpp
	index 3a4378b..6a8c219 100644
	--- a/src/gpg.cpp
	+++ b/src/gpg.cpp
	@@ -1,206 +1,206 @@
	#include "gpg.h"

	#include <QFileInfo>
	#include <QList>

	#include <QJsonDocument>
	#include <QJsonObject>
	#include <QJsonArray>
	#include <QDebug>

	#include "MyProcess.h"

	void gpg::parse(char const begin, char const end, QList<gpg::Data> *keys)
	{
	char const *ptr = begin;
	char const *line = ptr;
	std::string pub, uid, sub;
	QByteArray fingerprint;
	while (1) {
	int c = 0;
	if (ptr < end) {
	c = *ptr & 0xff;
	}
	if (c == '\r' \|\| c == '\n' \|\| c == 0) {
	if (ptr == line \|\| c == 0) {
	auto SkipHeader = [](char const *p){
	while (isalpha((unsigned char)*p)) p++;
	while (isspace((unsigned char)*p)) p++;
	return p;
	};
	auto ParseKey = [](char const p, gpg::Data key){
	p = strchr(p, '/');
	if (p) {
	p++;
	char id[100];
	if (sscanf(p, "%99s %u-%u-%u", id, &key->year, &key->month, &key->day) == 4) {
	key->id = id;
	}
	}
	};
	auto ParseUID = [](char const p, gpg::Data key){
	auto Search = [](char const p, char c)->char const {
	while (*p) {
	if (*p == c) return p;
	p++;
	}
	return nullptr;
	};
	char const *q1 = nullptr;
	if (*p == '[') {
	q1 = Search(p, ']');
	if (q1) {
	p = q1 + 1;
	while (isspace((unsigned char)*p)) p++;
	}
	}
	char const *q2 = Search(p, '(');
	char const *q3 = Search(p, ')');
	char const *q4 = Search(p, '<');
	if (!q2) {
	q2 = q3 = q4;
	}
	char const *e = q2 ? q2 : (p + strlen(p));
	while (p < e && isspace((unsigned char)e[-1])) e--;
	key->name = QString::fromUtf8(p, e - p);
	if (q2 && q3 && q2 < q3 && *q2 == '(') {
	q2++;
	key->comment = QString::fromUtf8(q2, q3 - q2);
	}
	if (q4) {
	q4++;
	char const *q5 = strchr(q4, '>');
	if (q5) {
	key->mail = QString::fromUtf8(q4, q5 - q4);
	}
	}
	};
	if (!pub.empty() && !uid.empty()) {
	gpg::Data key;
	ParseKey(SkipHeader(pub.c_str()), &key);
	ParseUID(SkipHeader(uid.c_str()), &key);
	key.fingerprint = fingerprint;
	keys->push_back(key);
	}
	pub = uid = sub = std::string();
	fingerprint.clear();
	} else if (line < ptr) {
	std::string s(line, ptr - line);
	if (strncmp(s.c_str(), "pub ", 4) == 0) {
	pub = s;
	} else if (strncmp(s.c_str(), "uid ", 4) == 0) {
	uid = s;
	} else if (strncmp(s.c_str(), "sub ", 4) == 0) {
	sub = s;
	} else if (!pub.empty() && uid.empty()) {
	char const *p = strchr(s.c_str(), '=');
	if (p) {
	p++;
	fingerprint.clear();
	while (p[0] && p[1]) {
	if (isxdigit(p[0] & 0xff) && isxdigit(p[1] & 0xff)) {
	char tmp[3];
	tmp[0] = p[0];
	tmp[1] = p[1];
	tmp[2] = 0;
	int v = strtol(tmp, nullptr, 16);
	fingerprint.push_back(v);
	p += 2;
	} else {
	p++;
	}
	}
	}
	}
	}
	if (c == 0) {
	break;
	}
	ptr++;
	if (c == '\r') {
	if (ptr < end && *ptr == '\n') {
	ptr++;
	}
	}
	line = ptr;
	} else {
	ptr++;
	}
	}
	}

	-bool gpg::listKeys(const QString &gpg_command, QList<gpg::Data> *keys)
	+bool gpg::listKeys(QString const &gpg_command, QList<gpg::Data> *keys)
	{
	keys->clear();

	QString cmd = gpg_command;
	if (!QFileInfo(cmd).isExecutable()) return false;

	#if 1
	cmd = "\"%1\" --list-keys --keyid-format LONG --fingerprint";
	cmd = cmd.arg(gpg_command);

	Process proc;
	proc.start(cmd, false);
	proc.wait();
	if (!proc.outbytes.empty()) {
	char const *begin = &proc.outbytes[0];
	char const *end = begin + proc.outbytes.size();
	parse(begin, end, keys);
	}
	#else
	QFile file("/home/soramimi/a/keys.txt");
	if (file.open(QFile::ReadOnly)) {
	QByteArray ba = file.readAll();
	if (!ba.isEmpty()) {
	char const *begin = ba.data();
	char const *end = begin + ba.size();
	gpg::parse(begin, end, keys);
	qDebug() << keys->size();
	}
	}
	#endif
	return true;
	}

	-//QList<gpg::Item> gpg::load(const QByteArray &json)
	+//QList<gpg::Item> gpg::load(QByteArray const &json)
	//{
	// QList<Item> items;

	// QJsonDocument doc = QJsonDocument::fromJson(json);
	// QJsonArray a1 = doc.array();
	// for (QJsonValue const &v1: a1) {
	// QJsonObject o1 = v1.toObject(QJsonObject());

	// Item item;

	// QJsonObject o2 = o1["pub"].toObject();
	// item.pub.id = o2["key"].toString();
	// QString timestamp = o2["timestamp"].toString();
	// item.pub.timestamp = QDateTime::fromString(timestamp, Qt::ISODate);

	// QJsonArray a2 = o1["sub"].toArray();
	// for (QJsonValue const &v2 : a2) {
	// QJsonObject o3 = v2.toObject(QJsonObject());
	// Key sub;
	// sub.id = o3["key"].toString();
	// QString timestamp = o3["timestamp"].toString();
	// sub.timestamp = QDateTime::fromString(timestamp, Qt::ISODate);
	// item.sub.push_back(sub);
	// }

	// QJsonArray a3 = o1["uid"].toArray();
	// for (QJsonValue const &v3 : a3) {
	// QJsonObject o3 = v3.toObject(QJsonObject());
	// UID uid;
	// uid.name = o3["name"].toString();
	// uid.email = o3["email"].toString();
	// uid.comment = o3["comment"].toString();
	// item.uid.push_back(uid);
	// }

	// items.push_back(item);
	// }

	// return items;
	//}
	diff --git a/src/gpg.h b/src/gpg.h
	index ab38260..31e7c02 100644
	--- a/src/gpg.h
	+++ b/src/gpg.h
	@@ -1,51 +1,51 @@
	#ifndef GPG_H
	#define GPG_H

	#include <QDateTime>
	#include <QString>


	class gpg {
	public:
	struct Data {
	QString id;
	unsigned int year = 0;
	unsigned int month = 0;
	unsigned int day = 0;
	QString name;
	QString comment;
	QString mail;
	QByteArray fingerprint;
	};

	- static void parse(const char begin, const char end, QList<gpg::Data> *keys);
	- static bool listKeys(const QString &gpg_command, QList<gpg::Data> *keys);
	+ static void parse(char const begin, char const end, QList<gpg::Data> *keys);
	+ static bool listKeys(QString const &gpg_command, QList<gpg::Data> *keys);






	//public:
	// struct Key {
	// QString id;
	// QDateTime timestamp;
	// };

	// struct UID {
	// QString name;
	// QString email;
	// QString comment;
	// };

	// struct Item {
	// Key pub;
	// QList<Key> sub;
	// QList<UID> uid;
	// };

	// static QList<Item> load(QByteArray const &json);

	};

	#endif // GPG_H
	diff --git a/src/gunzip.cpp b/src/gunzip.cpp
	index 443f966..ee4cb10 100644
	--- a/src/gunzip.cpp
	+++ b/src/gunzip.cpp
	@@ -1,228 +1,228 @@
	#include "gunzip.h"
	#include "myzlib.h"
	#include <stdint.h>
	#include <QFile>

	void gunzip::set_header_only(bool f)
	{
	header_only = f;
	}

	void gunzip::set_maximul_size(int64_t size)
	{
	maxsize = size;
	}

	bool gunzip::decode(QIODevice input, QIODevice output)
	{
	error = QString();
	try {
	struct Header {
	uint8_t id1;
	uint8_t id2;
	uint8_t cm;
	uint8_t flg;
	uint8_t mtime[4];
	uint8_t xfl;
	uint8_t os;
	};
	enum {
	FTEXT = 0x01,
	FHCRC = 0x02,
	FEXTRA = 0x04,
	FNAME = 0x08,
	FCOMMENT = 0x10,
	};

	unsigned char ibuf[4096];
	bool ok = true;
	int n;

	n = input->read((char *)ibuf, sizeof(Header));
	if (n != 10) {
	throw QString("failed to read the header");
	}

	auto h = (Header )ibuf;

	if (h->id1 == 0x1f && h->id2 == 0x8b && h->cm == 8) {
	// ok
	if (header_only) {
	return true;
	}
	} else {
	throw QString("invalid input format");
	}

	auto ReadText = [&](){
	char c;
	std::vector<uint8_t> vec;
	while (1) {
	if (input->read(&c, 1) != 1) {
	break;
	}
	if (c == 0) break;
	vec.push_back((uint8_t)c);
	}
	std::string str;
	if (!vec.empty()) {
	str.assign((char const *)&vec[0], vec.size());
	}
	return str;
	};

	if (h->flg & FEXTRA) {
	n = input->read((char *)ibuf, 2);
	n = ((uint8_t)ibuf[1] << 8) \| (uint8_t)ibuf[0];
	input->seek(input->pos() + n);
	}
	if (h->flg & FNAME) {
	std::string name = ReadText();
	(void)name;
	}
	if (h->flg & FCOMMENT) {
	std::string comment = ReadText();
	(void)comment;
	}
	if (h->flg & FHCRC) {
	input->read((char *)ibuf, 2);
	}

	z_stream stream;
	uint32_t crc = 0;
	int err;

	stream.zalloc = nullptr;
	stream.zfree = nullptr;
	stream.opaque = nullptr;

	stream.next_in = ibuf;
	stream.avail_in = 0;

	err = inflateInit2(&stream, -MAX_WBITS);

	if (err != Z_OK) {
	throw QString("inflateInit2 faled");
	}

	if (open) {
	if (!open(output)) {
	ok = false;
	}
	} else {
	if (!output->open(QIODevice::WriteOnly)) {
	ok = false;
	}
	}
	if (!ok) throw QString("failed to open the output device");

	int64_t inpos = input->pos();

	auto Close = [&](){
	if (close) {
	close(output);
	} else {
	output->close();
	}
	inflateEnd(&stream);
	};

	try {
	while (1) {
	if (stream.avail_in == 0) {
	stream.next_in = ibuf;
	}
	if (stream.avail_in < sizeof(ibuf)) {
	stream.next_in = ibuf + stream.avail_in;
	auto len = input->read((char *)stream.next_in, sizeof(ibuf) - stream.avail_in);
	stream.avail_in += len;
	}
	unsigned char obuf[65536];
	stream.next_out = obuf; /* discard the output */
	stream.avail_out = sizeof(obuf);
	if (maxsize != -1 && stream.total_out + stream.avail_out > (unsigned)maxsize && (unsigned)maxsize >= stream.total_out) {
	stream.avail_out = maxsize - stream.total_out;
	}
	uLong total_out = stream.total_out;
	err = ::inflate(&stream, Z_NO_FLUSH);
	int n = stream.total_out - total_out;

	if (write) {
	if (!write(output, (char const *)obuf, n)) {
	ok = false;
	}
	} else {
	int w = output->write((char const *)obuf, n);
	if (w != n) {
	ok = false;
	}
	}
	if (!ok) throw QString("failed to write to the output device");

	crc = crc32(crc, (unsigned char const *)obuf, n);
	if (err == Z_STREAM_END) {
	break;
	}
	if (err != Z_OK) {
	throw QString("inflate failed");
	}
	if (stream.total_out >= (unsigned)maxsize) {
	break;
	}
	}
	} catch (...) {
	Close();
	throw;
	}
	Close();

	input->seek(inpos + stream.total_in);
	n = input->read((char *)ibuf, 8);

	auto ReadU32LE = [](void const *p)->uint32_t{
	auto const q = (uint8_t const )p;
	return (q[3] << 24) \| (q[2] << 16) \| (q[1] << 8) \| q[0];
	};

	auto c = ReadU32LE(ibuf);
	auto l = ReadU32LE(ibuf + 4);
	if (c != crc) throw QString("crc incorrect");
	if (l != stream.total_out) throw QString("length incorrect");

	return true;
	} catch (QString const &e) {
	error = e;
	}
	return false;
	}

	-bool gunzip::decode(const QString &inpath, const QString &outpath)
	+bool gunzip::decode(QString const &inpath, QString const &outpath)
	{
	QFile infile(inpath);
	QFile outfile(outpath);
	if (infile.open(QFile::ReadOnly)) {
	if (decode(&infile, &outfile)) {
	return true;
	}
	}
	return false;
	}

	bool gunzip::is_valid_gz_file(QIODevice *input)
	{
	gunzip z;
	z.set_header_only(true);
	return z.decode(input, nullptr);
	}

	-bool gunzip::is_valid_gz_file(const QString &inpath)
	+bool gunzip::is_valid_gz_file(QString const &inpath)
	{
	QFile infile(inpath);
	if (infile.open(QFile::ReadOnly)) {
	gunzip z;
	if (z.is_valid_gz_file(&infile)) {
	return true;
	}
	}
	return false;
	}
	diff --git a/src/gunzip.h b/src/gunzip.h
	index d72db03..ffb0077 100644
	--- a/src/gunzip.h
	+++ b/src/gunzip.h
	@@ -1,28 +1,28 @@
	#ifndef GUNZIP_H
	#define GUNZIP_H

	#include <QIODevice>
	#include <string>
	#include <functional>
	#include <stdint.h>

	class gunzip {
	public:
	QString error;
	bool header_only = false;
	int64_t maxsize = -1;
	std::function<bool(QIODevice *)> open;
	std::function<void(QIODevice *)> close;
	std::function<bool(QIODevice , char const ptr, int len)> write;

	void set_header_only(bool f);
	void set_maximul_size(int64_t size);

	bool decode(QIODevice input, QIODevice output);
	bool decode(QString const &inpath, QString const &outpath);

	static bool is_valid_gz_file(QIODevice *input);
	- static bool is_valid_gz_file(const QString &inpath);
	+ static bool is_valid_gz_file(QString const &inpath);
	};

	#endif // GUNZIP_H
	diff --git a/src/texteditor/AbstractCharacterBasedApplication.cpp b/src/texteditor/AbstractCharacterBasedApplication.cpp
	index 703e705..6b43ce9 100644
	--- a/src/texteditor/AbstractCharacterBasedApplication.cpp
	+++ b/src/texteditor/AbstractCharacterBasedApplication.cpp
	@@ -1,2585 +1,2585 @@
	#include <memory>

	#include <memory>


	#include "AbstractCharacterBasedApplication.h"
	#include "UnicodeWidth.h"
	#include "unicode.h"

	#include <QApplication>
	#include <QClipboard>
	#include <QDebug>
	#include <QFile>
	#include <QTextCodec>
	#include <memory>

	using WriteMode = AbstractCharacterBasedApplication::WriteMode;
	using FormattedLine = AbstractCharacterBasedApplication::FormattedLine;

	class EsccapeSequence {
	private:
	int offset = 0;
	unsigned char data[100];
	int color_fg = -1;
	int color_bg = -1;
	public:
	bool isActive() const
	{
	return offset > 0;
	}
	void write(char c)
	{
	if (c == 0x1b) {
	data[0] = c;
	offset = 1;
	return;
	}
	data[offset] = c;
	if (offset > 0) {
	if (c == 'm') {
	if (data[1] == '[' && isdigit(data[2]) && isdigit(data[3])) {
	data[offset] = 0;
	if (data[2] == '3') {
	color_fg = atoi((char const *)data + 3);
	if (color_fg == 9) {
	color_fg = -1;
	}
	}
	if (data[2] == '4') {
	color_bg = atoi((char const *)data + 3);
	if (color_bg == 9) {
	color_bg = -1;
	}
	}
	}
	offset = 0;
	return;
	}
	if (offset + 1 < (int)sizeof(data)) {
	offset++;
	}
	}
	}
	int fg_color_code() const
	{
	return color_fg == 9 ? -1 : color_fg;
	}
	int bg_color_code() const
	{
	return color_bg == 9 ? -1 : color_bg;
	}
	};

	struct AbstractCharacterBasedApplication::Private {
	bool is_changed = false;
	bool is_quit_enabled = false;
	bool is_open_enabled = false;
	bool is_save_enabled = false;
	bool is_toggle_selection_anchor_enabled = true;
	bool is_read_only = false;
	bool is_terminal_mode = false;
	bool is_cursor_visible = true;
	State state = State::Normal;
	int header_line = 1;
	int footer_line = 1;
	int screen_width = 80;
	int screen_height = 24;
	bool auto_layout = false;
	QString recently_used_path;
	bool show_line_number = true;
	int left_margin = AbstractCharacterBasedApplication::LEFT_MARGIN;
	QString dialog_title;
	QString dialog_value;
	std::vector<Character> screen;
	std::vector<uint8_t> line_flags;
	int parsed_row_index = -1;
	int parsed_col_index = -1;
	bool parsed_for_edit = false;
	QByteArray parsed_line;
	std::vector<uint32_t> prepared_current_line;
	QList<Document::CharAttr_> syntax_table;
	bool dialog_mode = false;
	DialogHandler dialog_handler;
	bool is_painting_suppressed = false;
	int valid_line_index = -1;
	int line_margin = 3;
	WriteMode write_mode = WriteMode::Insert;
	QTextCodec *text_codec = nullptr;
	Qt::KeyboardModifiers keyboard_modifiers = Qt::KeyboardModifier::NoModifier;
	bool ctrl_modifier = false;
	bool shift_modifier = false;
	EsccapeSequence escape_sequence;

	bool cursor_moved_by_mouse = false;
	};

	AbstractCharacterBasedApplication::AbstractCharacterBasedApplication()
	: m(new Private)
	{
	}

	AbstractCharacterBasedApplication::~AbstractCharacterBasedApplication()
	{
	delete m;
	}

	void AbstractCharacterBasedApplication::setModifierKeys(Qt::KeyboardModifiers keymod)
	{
	m->keyboard_modifiers = keymod;
	m->ctrl_modifier = m->keyboard_modifiers & Qt::ControlModifier;
	m->shift_modifier = m->keyboard_modifiers & Qt::ShiftModifier;
	}

	void AbstractCharacterBasedApplication::clearShiftModifier()
	{
	m->shift_modifier = false;
	}

	bool AbstractCharacterBasedApplication::isControlModifierPressed() const
	{
	return m->ctrl_modifier;
	}

	bool AbstractCharacterBasedApplication::isShiftModifierPressed() const
	{
	return m->shift_modifier;
	}

	void AbstractCharacterBasedApplication::setTextCodec(QTextCodec *codec)
	{
	m->text_codec = codec;
	clearParsedLine();
	invalidateArea();
	makeBuffer();
	}

	void AbstractCharacterBasedApplication::setAutoLayout(bool f)
	{
	m->auto_layout = f;
	layoutEditor();
	}

	void AbstractCharacterBasedApplication::showHeader(bool f)
	{
	m->header_line = f ? 1 : 0;
	layoutEditor();
	}

	void AbstractCharacterBasedApplication::showFooter(bool f)
	{
	m->footer_line = f ? 1 : 0;
	layoutEditor();
	}

	void AbstractCharacterBasedApplication::showLineNumber(bool show, int left_margin)
	{
	m->show_line_number = show;
	m->left_margin = left_margin;
	}

	void AbstractCharacterBasedApplication::setCursorVisible(bool show)
	{
	m->is_cursor_visible = show;
	}

	bool AbstractCharacterBasedApplication::isCursorVisible()
	{
	return m->is_cursor_visible;
	}

	void AbstractCharacterBasedApplication::retrieveLastText(std::vector<char> *out, int maxlen) const
	{
	const_cast<AbstractCharacterBasedApplication *>(this)->document()->retrieveLastText(out, maxlen);
	}

	bool AbstractCharacterBasedApplication::isChanged() const
	{
	return m->is_changed;
	}

	void AbstractCharacterBasedApplication::setChanged(bool f)
	{
	m->is_changed = f;
	}

	int AbstractCharacterBasedApplication::leftMargin_() const
	{
	return m->left_margin;
	}

	void AbstractCharacterBasedApplication::setRecentlyUsedPath(QString const &path)
	{
	m->recently_used_path = path;
	}

	QString AbstractCharacterBasedApplication::recentlyUsedPath()
	{
	return m->recently_used_path;
	}

	std::vector<AbstractCharacterBasedApplication::Character> *AbstractCharacterBasedApplication::screen()
	{
	return &m->screen;
	}

	const std::vector<AbstractCharacterBasedApplication::Character> *AbstractCharacterBasedApplication::screen() const
	{
	return &m->screen;
	}

	std::vector<uint8_t> *AbstractCharacterBasedApplication::line_flags()
	{
	return &m->line_flags;
	}

	void AbstractCharacterBasedApplication::makeBuffer()
	{
	int w = screenWidth();
	int h = screenHeight();
	int size = w * h;
	m->screen.resize(size);
	std::fill(m->screen.begin(), m->screen.end(), Character());
	m->line_flags.resize(h);
	}

	void AbstractCharacterBasedApplication::layoutEditor()
	{
	makeBuffer();
	editor_cx->viewport_org_x = leftMargin_();
	editor_cx->viewport_org_y = m->header_line;
	editor_cx->viewport_width = screenWidth() - cx()->viewport_org_x;
	editor_cx->viewport_height = screenHeight() - (m->header_line + m->footer_line);
	}

	void AbstractCharacterBasedApplication::initEditor()
	{
	editor_cx = std::make_shared<TextEditorContext>();
	layoutEditor();
	}

	bool AbstractCharacterBasedApplication::isLineNumberVisible() const
	{
	return m->show_line_number;
	}

	int AbstractCharacterBasedApplication::charWidth(uint32_t c)
	{
	return UnicodeWidth::width(UnicodeWidth::type(c));
	}

	QList<FormattedLine> AbstractCharacterBasedApplication::formatLine(Document::Line const &line, int tab_span, int anchor_a, int anchor_b) const
	{
	QByteArray ba;
	if (m->text_codec) {
	ba = m->text_codec->toUnicode(line.text).toUtf8();
	} else {
	ba = line.text;
	}

	std::vector<ushort> vec;
	vec.reserve(ba.size() + 100);
	size_t len = ba.size();
	QList<FormattedLine> res;

	int col = 0;
	int col_start = col;

	bool flag_a = false;
	bool flag_b = false;

	auto Color = [&](size_t offset, size_t *next_offset){
	int i = findSyntax(&m->syntax_table, offset);
	if (i < m->syntax_table.size() && m->syntax_table[i].offset <= offset) {
	if (next_offset) {
	if (i + 1 < m->syntax_table.size()) {
	*next_offset = m->syntax_table[i + 1].offset;
	} else {
	*next_offset = -1;
	}
	}
	static int color[] = {
	0x000000,
	0x0000ff,
	0x00ff00,
	0x00ffff,
	0xff0000,
	0xff00ff,
	0xffff00,
	0xffffff,
	};
	i = m->syntax_table[i].color;
	if (i >= 0 && i < 8) {
	return color[i];
	}
	}
	if (next_offset) {
	*next_offset = -1;
	}
	return 0;
	};


	auto Flush = [&](size_t offset, size_t *next_offset){
	if (!vec.empty()) {
	int atts = 0;
	atts \|= Color(offset, next_offset);
	if (anchor_a >= 0 \|\| anchor_b >= 0) {
	if ((anchor_a < 0 \|\| col_start >= anchor_a) && (anchor_b == -1 \|\| col_start < anchor_b)) {
	atts \|= FormattedLine::Selected;
	}
	}
	ushort const *left = &vec[0];
	ushort const *right = left + vec.size();
	while (left < right && (right[-1] == '\r' \|\| right[-1] == '\n')) right--;
	if (left < right) {
	res.push_back(FormattedLine(QString::fromUtf16(left, right - left), atts));
	}
	vec.clear();
	} else {
	*next_offset = -1;
	}
	col_start = col;
	};

	size_t offset = 0;
	size_t next_offset = -1;
	if (len > 0) {
	{
	size_t o = line.byte_offset;
	int i = findSyntax(&m->syntax_table, o);
	if (i < m->syntax_table.size() && m->syntax_table[i].offset <= o) {
	if (i + 1 < m->syntax_table.size()) {
	o = m->syntax_table[i + 1].offset;
	if (o != (size_t)-1) {
	next_offset = o;
	}
	}
	}
	}
	utf8 u8(ba.data(), len);
	u8.to_utf32([&](uint32_t c){
	if (line.byte_offset + u8.offset() == next_offset) {
	Flush(line.byte_offset + offset, &next_offset);
	offset += u8.offset();
	}
	if (c == '\t') {
	do {
	vec.push_back(' ');
	col++;
	} while (col % tab_span != 0);
	} else if (c < ' ') {
	// nop
	} else {
	int cw = charWidth(c);
	if (c < 0xffff) {
	vec.push_back(c);
	} else {
	int a = c >> 16;
	if (a > 0 && a <= 0x20) {
	a--;
	int b = c & 0x03ff;
	a = (a << 6) \| ((c >> 10) & 0x003f);
	a \|= 0xd800;
	b \|= 0xdc00;
	vec.push_back(a);
	vec.push_back(b);
	}
	}
	col += cw;
	}
	if ((anchor_a >= 0 \|\| anchor_b >= 0) && anchor_a != anchor_b) {
	if (!flag_a && col >= anchor_a) {
	Flush(line.byte_offset + offset, &next_offset);
	flag_a = true;
	}
	if (!flag_b && col >= anchor_b) {
	Flush(line.byte_offset + offset, &next_offset);
	flag_b = true;
	}
	}
	return true;
	});
	}
	Flush(line.byte_offset + offset, &next_offset);
	return res;
	}

	void AbstractCharacterBasedApplication::fetchCurrentLine() const
	{
	QByteArray line;
	const int row = cx()->current_row;
	int lines = documentLines();
	if (row >= 0 && row < lines) {
	line = cx()->engine->document.lines[row].text;
	}
	m->parsed_row_index = row;
	m->parsed_line = line;
	}

	void AbstractCharacterBasedApplication::clearParsedLine()
	{
	m->parsed_row_index = -1;
	m->parsed_for_edit = false;
	m->parsed_line.clear();
	}

	int AbstractCharacterBasedApplication::cursorX() const
	{
	return cx()->current_col - cx()->scroll_col_pos;
	}

	int AbstractCharacterBasedApplication::cursorY() const
	{
	return cx()->current_row - cx()->scroll_row_pos;
	}

	int AbstractCharacterBasedApplication::screenWidth() const
	{
	return m->screen_width;
	}

	int AbstractCharacterBasedApplication::screenHeight() const
	{
	return m->screen_height;
	}

	void AbstractCharacterBasedApplication::setScreenSize(int w, int h, bool update_layout)
	{
	m->screen_width = w;
	m->screen_height = h;
	if (update_layout) {
	layoutEditor();
	}
	}

	bool AbstractCharacterBasedApplication::isPaintingSuppressed() const
	{
	return m->is_painting_suppressed;
	}

	void AbstractCharacterBasedApplication::setPaintingSuppressed(bool f)
	{
	m->is_painting_suppressed = f;
	}

	void AbstractCharacterBasedApplication::commitLine(std::vector<uint32_t> const &vec)
	{
	if (isReadOnly()) return;

	QByteArray ba;
	if (!vec.empty()){
	utf32 u32(&vec[0], vec.size());
	u32.to_utf8([&](char c, int pos){
	(void)pos;
	ba.push_back(c);
	return true;
	});
	}
	if (m->parsed_row_index == 0 && engine()->document.lines.empty()) {
	Document::Line newline;
	engine()->document.lines.push_back(newline);
	}
	Document::Line *line = &engine()->document.lines[m->parsed_row_index];
	if (m->parsed_row_index == 0) {
	line->byte_offset = 0;
	line->line_number = (line->type == Document::Line::Unknown) ? 0 : 1;
	}
	line->text = ba;

	if (m->valid_line_index > m->parsed_row_index) {
	m->valid_line_index = m->parsed_row_index;
	}

	int y = m->parsed_row_index - cx()->scroll_row_pos + cx()->viewport_org_y;
	if (y >= 0 && y < (int)m->line_flags.size()) {
	m->line_flags[y] \|= LineChanged;
	}
	}

	void AbstractCharacterBasedApplication::parseLine(std::vector<uint32_t> *vec, int increase_hint, bool force)
	{
	if (force) {
	clearParsedLine();
	}

	if (force \|\| !m->parsed_for_edit) {
	fetchCurrentLine();
	m->parsed_col_index = internalParseLine(vec ? vec : &m->prepared_current_line, increase_hint);
	m->parsed_for_edit = true;
	} else {
	if (vec) {
	*vec = m->prepared_current_line;
	}
	}
	}

	QByteArray AbstractCharacterBasedApplication::parsedLine() const
	{
	return m->parsed_line;
	}

	bool AbstractCharacterBasedApplication::isCurrentLineWritable() const
	{
	if (isReadOnly()) return false;

	int row = cx()->current_row;
	if (row >= 0 && row < cx()->engine->document.lines.size()) {
	if (cx()->engine->document.lines[row].type != Document::Line::Unknown) {
	return true;
	}
	}
	return false;
	}

	int AbstractCharacterBasedApplication::editorViewportWidth() const
	{
	return cx()->viewport_width;
	}

	int AbstractCharacterBasedApplication::editorViewportHeight() const
	{
	return cx()->viewport_height;
	}

	-int AbstractCharacterBasedApplication::print(int x, int y, const QString &text, const AbstractCharacterBasedApplication::Option &opt)
	+int AbstractCharacterBasedApplication::print(int x, int y, QString const &text, const AbstractCharacterBasedApplication::Option &opt)
	{
	CharAttr attr = opt.char_attr;
	if (opt.char_attr.flags & CharAttr::Selected) {
	attr.index = CharAttr::Invert;
	}
	if (opt.char_attr.flags & CharAttr::CurrentLine) {
	attr.index = CharAttr::Hilite;
	}

	const int screen_w = screenWidth();
	const int screen_h = screenHeight();
	int x_start = 0;
	int y_start = 0;
	int x_limit = screen_w;
	int y_limit = screen_h;
	if (!opt.clip.isNull()) {
	x_start = opt.clip.x();
	y_start = opt.clip.y();
	x_limit = x_start + opt.clip.width();
	y_limit = y_start + opt.clip.height();
	}
	if (y >= y_start && y < y_limit) {
	bool changed = false;
	int x2 = x;
	int y2 = y;
	if (text.isEmpty()) {
	changed = true; // set changed flag if text is empty
	} else {
	for (int i = 0; i < text.size(); i++) {
	ushort c = text.utf16()[i];
	if (c < ' ' \|\| c == 0x7f) continue;
	int cw = charWidth(c);
	if (x2 + cw > x_limit) {
	break;
	}
	for (int j = 0; j < cw; j++) {
	if (x2 >= x_start && x2 < screen_w) {
	int o = y2 * screen_w + x2;
	CharAttr a;
	if (j == 0) {
	a = attr;
	} else {
	c = -1;
	}
	if (c != m->screen[o].c \|\| a != m->screen[o].a) {
	m->screen[o].c = c;
	m->screen[o].a = a;
	changed = true;
	}
	}
	x2++;
	}
	}
	}
	if (changed) {
	m->line_flags[y] \|= LineChanged;
	}
	x = x2;
	}
	return x;
	}

	void AbstractCharacterBasedApplication::initEngine(std::shared_ptr<TextEditorContext> const &cx)
	{
	cx->engine = std::make_shared<TextEditorEngine>();
	}

	TextEditorContext *AbstractCharacterBasedApplication::cx()
	{
	if (dialog_cx) {
	if (!dialog_cx->engine) {
	initEngine(dialog_cx);
	}
	return dialog_cx.get();
	}
	if (!editor_cx->engine) {
	initEngine(editor_cx);
	}
	return editor_cx.get();
	}

	const TextEditorContext *AbstractCharacterBasedApplication::cx() const
	{
	return const_cast<AbstractCharacterBasedApplication *>(this)->cx();
	}

	TextEditorEnginePtr AbstractCharacterBasedApplication::engine()
	{
	Q_ASSERT(cx()->engine);
	return cx()->engine;
	}

	void AbstractCharacterBasedApplication::setTextEditorEngine(TextEditorEnginePtr const &e)
	{
	cx()->engine = e;
	}

	void AbstractCharacterBasedApplication::setDocument(QList<Document::Line> const *source)
	{
	document()->lines = *source;
	}

	-void AbstractCharacterBasedApplication::openFile(const QString &path)
	+void AbstractCharacterBasedApplication::openFile(QString const &path)
	{
	document()->lines.clear();
	QFile file(path);
	if (file.open(QFile::ReadOnly)) {
	size_t offset = 0;
	QString line;
	unsigned int linenum = 0;
	while (!file.atEnd()) {
	linenum++;
	Document::Line line(file.readLine());
	line.byte_offset = offset;
	line.type = Document::Line::Normal;
	line.line_number = linenum;
	document()->lines.push_back(line);
	offset += line.text.size();
	}
	int n = line.size();
	if (n > 0) {
	ushort const *p = line.utf16();
	ushort c = p[n - 1];
	if (c == '\r' \|\| c == '\n') {
	document()->lines.push_back(Document::Line(QByteArray()));
	}
	}
	m->valid_line_index = (int)document()->lines.size();
	setRecentlyUsedPath(path);
	}
	scrollToTop();
	}

	-void AbstractCharacterBasedApplication::saveFile(const QString &path)
	+void AbstractCharacterBasedApplication::saveFile(QString const &path)
	{
	QFile file(path);
	if (file.open(QFile::WriteOnly)) {
	for (Document::Line const &line : document()->lines) {
	file.write(line.text);
	}
	}
	}

	void AbstractCharacterBasedApplication::pressEnter()
	{
	deleteIfSelected();

	if (isDialogMode()) {
	closeDialog(true);
	} else {
	writeNewLine();
	}
	}

	void AbstractCharacterBasedApplication::pressEscape()
	{
	if (isTerminalMode()) {
	m->escape_sequence.write(0x1b);
	return;
	}

	if (isDialogMode()) {
	closeDialog(false);
	return;
	}

	deselect();
	updateVisibility(false, false, false);
	}

	AbstractCharacterBasedApplication::State AbstractCharacterBasedApplication::state() const
	{
	return m->state;
	}

	Document *AbstractCharacterBasedApplication::document()
	{
	return &engine()->document;
	}

	int AbstractCharacterBasedApplication::documentLines() const
	{
	return const_cast<AbstractCharacterBasedApplication *>(this)->document()->lines.size();
	}

	bool AbstractCharacterBasedApplication::isSingleLineMode() const
	{
	return cx()->single_line;
	}

	void AbstractCharacterBasedApplication::setLineMargin(int n)
	{
	m->line_margin = n;
	}

	void AbstractCharacterBasedApplication::ensureCurrentLineVisible()
	{
	int margin = (cx()->viewport_height >= 6 && !isSingleLineMode()) ? m->line_margin : 0;
	int pos = cx()->scroll_row_pos;
	int top = cx()->current_row - margin;
	int bottom = cx()->current_row + 1 - editorViewportHeight() + margin;
	if (pos > top) pos = top;
	if (pos < bottom) pos = bottom;
	if (pos < 0) pos = 0;
	if (cx()->scroll_row_pos != pos) {
	cx()->scroll_row_pos = pos;
	invalidateArea();
	}
	}

	int AbstractCharacterBasedApplication::decideColumnScrollPos() const
	{
	int x = cx()->current_col;
	int w = editorViewportWidth() - RIGHT_MARGIN;
	if (w < 0) w = 0;
	return x > w ? (cx()->current_col - w) : 0;
	}

	int AbstractCharacterBasedApplication::calcVisualWidth(const Document::Line &line) const
	{
	QList<FormattedLine> lines = formatLine(line, cx()->tab_span);
	int x = 0;
	for (FormattedLine const &line : lines) {
	if (line.text.isEmpty()) continue;
	ushort const *ptr = line.text.utf16();
	ushort const *end = ptr + line.text.size();
	while (1) {
	int c = -1;
	if (ptr < end) {
	c = *ptr;
	ptr++;
	}
	if (c == -1 \|\| c == '\r' \|\| c == '\n') {
	break;
	}
	if (c == '\t') {
	x += cx()->tab_span;
	x -= x % cx()->tab_span;
	} else {
	x += charWidth(c);
	}
	}
	}
	return x;
	}



	void AbstractCharacterBasedApplication::clearRect(int x, int y, int w, int h)
	{
	int scr_w = screenWidth();
	int scr_h = screenHeight();
	int y0 = y;
	int y1 = y + h;
	if (y0 < 0) y0 = 0;
	if (y1 > scr_h) y1 = scr_h;
	int x0 = x;
	int x1 = x + w;
	if (x0 < 0) x0 = 0;
	if (x1 > scr_w) x1 = scr_w;
	for (int y = y0; y < y1; y++) {
	for (int x = x0; x < x1; x++) {
	int o = y * scr_w + x;
	m->screen[o] = Character();
	}
	}
	}

	int AbstractCharacterBasedApplication::calcIndexToColumn(const std::vector<uint32_t> &vec, int index) const
	{
	int col = 0;
	for (int i = 0; i < index; i++) {
	uint32_t c = vec.at(i);
	if (c == '\t') {
	col += cx()->tab_span;
	col -= col % cx()->tab_span;
	} else {
	col += charWidth(c);
	}
	}
	return col;
	}

	void AbstractCharacterBasedApplication::savePos()
	{
	TextEditorContext *p = editor_cx.get();
	if (p) {
	p->saved_row = p->current_row;
	p->saved_col = p->current_col;
	p->saved_col_hint = p->current_col_hint;
	}
	}

	void AbstractCharacterBasedApplication::restorePos()
	{
	TextEditorContext *p = editor_cx.get();
	if (p) {
	p->current_row = p->saved_row;
	p->current_col = p->saved_col;
	p->current_col_hint = p->saved_col_hint;
	}
	}

	void AbstractCharacterBasedApplication::setCursorRow(int row, bool auto_scroll, bool by_mouse)
	{
	if (cx()->current_row == row) return;

	if (isShiftModifierPressed()) {
	if (selection_anchor_0.enabled == SelectionAnchor::No) {
	setSelectionAnchor(SelectionAnchor::EnabledEasy, true, auto_scroll);
	selection_anchor_1 = selection_anchor_0;
	}
	} else if (selection_anchor_0.enabled == SelectionAnchor::EnabledEasy) {
	setSelectionAnchor(SelectionAnchor::No, false, auto_scroll);
	}

	cx()->current_row = row;

	if (selection_anchor_0.enabled != SelectionAnchor::No) {
	setSelectionAnchor(selection_anchor_0.enabled, true, auto_scroll);
	}

	m->cursor_moved_by_mouse = by_mouse;

	}

	void AbstractCharacterBasedApplication::setCursorCol(int col, bool auto_scroll, bool by_mouse)
	{
	if (cx()->current_col == col) {
	cx()->current_col_hint = col;
	return;
	}

	if (isShiftModifierPressed()) {
	if (selection_anchor_0.enabled == SelectionAnchor::No) {
	setSelectionAnchor(SelectionAnchor::EnabledEasy, true, auto_scroll);
	selection_anchor_1 = selection_anchor_0;
	}
	} else if (selection_anchor_0.enabled == SelectionAnchor::EnabledEasy) {
	setSelectionAnchor(SelectionAnchor::No, false, auto_scroll);
	}

	cx()->current_col = col;
	cx()->current_col_hint = col;

	if (selection_anchor_0.enabled != SelectionAnchor::No) {
	setSelectionAnchor(selection_anchor_0.enabled, true, auto_scroll);
	}

	m->cursor_moved_by_mouse = by_mouse;
	}

	void AbstractCharacterBasedApplication::setCursorPos(int row, int col)
	{
	setCursorRow(row, false);
	setCursorCol(col, false);
	}

	void AbstractCharacterBasedApplication::setCursorColByIndex(std::vector<uint32_t> const &vec, int col_index)
	{
	int col = calcIndexToColumn(vec, col_index);
	setCursorCol(col);
	}

	int AbstractCharacterBasedApplication::nextTabStop(int x) const
	{
	x += cx()->tab_span;
	x -= x % cx()->tab_span;
	return x;
	}

	void AbstractCharacterBasedApplication::editSelected(EditOperation op, std::vector<uint32_t> *cutbuffer)
	{
	if (isReadOnly() && op == EditOperation::Cut) {
	op = EditOperation::Copy;
	}

	SelectionAnchor a = selection_anchor_0;
	SelectionAnchor b = selection_anchor_1;
	if (!a.enabled) return;
	if (!b.enabled) return;
	if (a == b) return;

	auto UpdateVisibility = [&](){
	updateVisibility(false, false, false);
	};

	if (cutbuffer) {
	cutbuffer->clear();
	}
	std::list<std::vector<uint32_t>> cutlist;

	if (a.row > b.row) {
	std::swap(a, b);
	} else if (a.row == b.row) {
	if (a.col > b.col) {
	std::swap(a, b);
	}
	}

	int curr_row = cx()->current_row;
	int curr_col = cx()->current_col;

	cx()->current_row = b.row;
	cx()->current_col = b.col;

	if (a.row == b.row) {
	std::vector<uint32_t> vec1;
	parseLine(&vec1, 0, true);
	auto begin = vec1.begin() + calcColumnToIndex(a.col);
	auto end = vec1.begin() + calcColumnToIndex(b.col);
	if (cutbuffer) {
	std::vector<uint32_t> cut;
	cut.insert(cut.end(), begin, end);
	cutlist.push_back(std::move(cut));
	}
	if (op == EditOperation::Cut) {
	vec1.erase(begin, end);
	commitLine(vec1);
	UpdateVisibility();
	}
	} else {
	std::vector<uint32_t> vec1;
	parseLine(&vec1, 0, true);
	{
	auto begin = vec1.begin();
	auto end = vec1.begin() + calcColumnToIndex(b.col);
	if (cutbuffer) {
	std::vector<uint32_t> cut;
	cut.insert(cut.end(), begin, end);
	cutlist.push_back(std::move(cut));
	}
	if (op == EditOperation::Cut) {
	vec1.erase(begin, end);
	commitLine(vec1);
	UpdateVisibility();
	}
	}
	int n = b.row - a.row;
	for (int i = 0; i < n; i++) {
	QList<Document::Line> *lines = &cx()->engine->document.lines;
	if (cutbuffer && i > 0) {
	cx()->current_row = b.row - i;
	cx()->current_col = 0;
	std::vector<uint32_t> cut;
	parseLine(&cut, 0, true);
	cutlist.push_back(std::move(cut));
	}
	if (op == EditOperation::Cut) {
	lines->erase(lines->begin() + b.row - i);
	}
	}

	cx()->current_row = a.row;
	cx()->current_col = a.col;
	int index = calcColumnToIndex(a.col);
	std::vector<uint32_t> vec2;
	parseLine(&vec2, 0, true);
	if (cutbuffer) {
	std::vector<uint32_t> cut;
	cut.insert(cut.end(), vec2.begin() + index, vec2.end());
	cutlist.push_back(std::move(cut));
	}

	if (op == EditOperation::Cut) {
	vec2.resize(index);
	vec2.insert(vec2.end(), vec1.begin(), vec1.end());
	commitLine(vec2);
	UpdateVisibility();
	}
	}

	if (cutbuffer) {
	size_t size = 0;
	for (std::vector<uint32_t> const &v : cutlist) {
	size += v.size();
	}
	cutbuffer->reserve(size);
	for (auto it = cutlist.rbegin(); it != cutlist.rend(); it++) {
	std::vector<uint32_t> const &v = *it;
	cutbuffer->insert(cutbuffer->end(), v.begin(), v.end());
	}
	}


	if (op == EditOperation::Cut) {
	deselect();
	setCursorPos(a.row, a.col);
	invalidateArea(a.row - cx()->scroll_row_pos);
	} else {
	cx()->current_row = curr_row;
	cx()->current_col = curr_col;
	invalidateArea(curr_row - cx()->scroll_row_pos);
	}

	clearParsedLine();
	UpdateVisibility();
	}

	void AbstractCharacterBasedApplication::edit_(EditOperation op)
	{
	std::vector<uint32_t> u32buf;
	editSelected(op, &u32buf);
	if (u32buf.empty()) return;

	std::vector<ushort> u16buf;
	u16buf.reserve(1024);
	utf32(&u32buf[0], u32buf.size()).to_utf16([&](uint16_t c){
	u16buf.push_back(c);
	return true;
	});
	if (!u16buf.empty()) {
	QString s = QString::fromUtf16(&u16buf[0], u16buf.size());
	qApp->clipboard()->setText(s);
	}
	}

	bool AbstractCharacterBasedApplication::deleteIfSelected()
	{
	if (selection_anchor_0.enabled && selection_anchor_1.enabled) {
	if (selection_anchor_0 != selection_anchor_1) {
	editSelected(EditOperation::Cut, nullptr);
	return true;
	}
	}
	return false;
	}

	void AbstractCharacterBasedApplication::doDelete()
	{
	if (isReadOnly()) return;
	if (isTerminalMode()) return;

	if (deleteIfSelected()) {
	return;
	}

	parseLine(nullptr, 0, false);
	std::vector<uint32_t> *vec = &m->prepared_current_line;
	int index = m->parsed_col_index;
	int c = -1;
	if (index >= 0 && index < (int)vec->size()) {
	c = (*vec)[index];
	}
	if (c == '\n' \|\| c == '\r' \|\| c == -1) {
	if (index == 0) {
	m->parsed_row_index--;
	}
	invalidateAreaBelowTheCurrentLine();
	if (isSingleLineMode()) {
	// nop
	} else {
	if (c != -1) {
	vec->erase(vec->begin() + index);
	if (c == '\r' && index < (int)vec->size() && (*vec)[index] == '\n') {
	vec->erase(vec->begin() + index);
	}
	}
	if (vec->empty()) {
	clearParsedLine();
	if (cx()->current_row + 1 < (int)cx()->engine->document.lines.size()) {
	cx()->engine->document.lines.erase(cx()->engine->document.lines.begin() + cx()->current_row);
	}
	} else {
	commitLine(*vec);
	setCursorColByIndex(*vec, index);
	if (index == (int)vec->size()) {
	int nextrow = cx()->current_row + 1;
	int lines = documentLines();
	if (nextrow < lines) {
	Document::Line *ba1 = &cx()->engine->document.lines[cx()->current_row];
	Document::Line const &ba2 = cx()->engine->document.lines[nextrow];
	ba1->text.append(ba2.text);
	cx()->engine->document.lines.erase(cx()->engine->document.lines.begin() + nextrow);
	}
	}
	}
	clearParsedLine();
	updateVisibility(true, true, true);
	}
	} else {
	vec->erase(vec->begin() + index);
	commitLine(*vec);
	setCursorColByIndex(*vec, index);
	updateVisibility(true, true, true);
	}
	}

	void AbstractCharacterBasedApplication::doBackspace()
	{
	if (isReadOnly()) return;
	if (isTerminalMode()) return;

	if (deleteIfSelected()) {
	return ;
	}

	if (cx()->current_row > 0 \|\| cx()->current_col > 0) {
	setPaintingSuppressed(true);
	moveCursorLeft();
	doDelete();
	setPaintingSuppressed(false);
	updateVisibility(true, true, true);
	}
	}

	bool AbstractCharacterBasedApplication::isDialogMode()
	{
	return m->dialog_mode;
	}

	void AbstractCharacterBasedApplication::setDialogOption(QString const &title, QString const &value, DialogHandler handler)
	{
	m->dialog_title = title;
	m->dialog_value = value;
	m->dialog_handler = handler;
	}

	void AbstractCharacterBasedApplication::setDialogMode(bool f)
	{
	if (f) {
	if (!dialog_cx) {
	int y = screenHeight() - 2;
	dialog_cx = std::make_shared<TextEditorContext>();
	dialog_cx->engine = std::make_shared<TextEditorEngine>();
	dialog_cx->single_line = true;
	dialog_cx->viewport_org_x = 0;
	dialog_cx->viewport_org_y = y + 1;
	dialog_cx->viewport_width = screenWidth();
	dialog_cx->viewport_height = 1;
	}
	dialog_cx->engine->document.lines.push_back(Document::Line(m->dialog_value.toUtf8()));
	editor_cx->viewport_height = screenHeight() - m->header_line - 2;
	m->dialog_mode = true;
	clearParsedLine();
	moveCursorEnd();
	} else {
	dialog_cx.reset();
	m->dialog_mode = false;
	layoutEditor();
	clearParsedLine();
	updateVisibility(true, true, true);
	}
	}

	void AbstractCharacterBasedApplication::execDialog(QString const &dialog_title, QString dialog_value, DialogHandler handler)
	{
	setDialogOption(dialog_title, dialog_value, handler);
	setDialogMode(true);
	}

	void AbstractCharacterBasedApplication::closeDialog(bool result)
	{
	if (isDialogMode()) {
	deselect();
	QString line;
	if (!dialog_cx->engine->document.lines.empty()) {
	Document::Line const &l = dialog_cx->engine->document.lines.front();
	line = QString::fromUtf8(l.text);
	}
	setDialogMode(false);
	if (m->dialog_handler) {
	m->dialog_handler(result, line);
	}
	return;
	}
	}

	int AbstractCharacterBasedApplication::internalParseLine(std::vector<uint32_t> *vec, int increase_hint) const
	{
	vec->clear();

	int index = -1;
	int col = 0;
	int len = m->parsed_line.size();
	if (len > 0) {
	vec->reserve(len + increase_hint);
	char const *src = m->parsed_line.data();
	utf8 u8(src, len);
	while (1) {
	int n = 0;
	uint32_t c = u8.next();
	if (c == 0) {
	n = 1;
	} else {
	if (c == '\t') {
	int z = nextTabStop(col);
	n = z - col;
	} else {
	n = charWidth(c);
	}
	}
	if (col <= cx()->current_col && col + n > cx()->current_col) {
	index = (int)vec->size();
	}
	if (c == 0) break;
	col += n;
	vec->push_back(c);
	}
	}
	return index;
	}

	int AbstractCharacterBasedApplication::calcColumnToIndex(int column)
	{
	int index = 0;
	if (column > 0) {
	fetchCurrentLine();
	int col = 0;
	int len = m->parsed_line.size();
	if (len > 0) {
	char const *src = m->parsed_line.data();
	utf8 u8(src, len);
	while (1) {
	uint32_t c = u8.next();
	int n = 0;
	if (c == '\r' \|\| c == '\n' \|\| c == 0) {
	break;
	}
	if (c == '\t') {
	int z = nextTabStop(col);
	n = z - col;
	} else {
	n = charWidth(c);
	}
	col += n;
	index++;
	if (col >= column) {
	break;
	}
	}
	}
	}
	return index;
	}

	void AbstractCharacterBasedApplication::invalidateArea(int top_y)
	{
	int y0 = cx()->viewport_org_y;
	int y1 = cx()->viewport_height + y0;
	top_y += y0;
	if (y0 < top_y) y0 = top_y;
	int n = m->line_flags.size();
	if (y0 < 0) y0 = 0;
	if (y1 > n) y1 = n;
	for (int y = y0; y < y1; y++) {
	m->line_flags[y] \|= LineChanged;
	}
	}

	void AbstractCharacterBasedApplication::invalidateAreaBelowTheCurrentLine()
	{
	int y;

	y = m->parsed_row_index;
	if (m->valid_line_index > y) {
	m->valid_line_index = y;
	}

	y = m->parsed_row_index - cx()->scroll_row_pos;
	invalidateArea(y);
	}

	int AbstractCharacterBasedApplication::scrollBottomLimit() const
	{
	return documentLines() - editorViewportHeight() / 2;
	}

	void AbstractCharacterBasedApplication::writeCR()
	{
	deleteIfSelected();

	setCursorCol(0);
	clearParsedLine();
	updateVisibility(true, true, true);
	}

	void AbstractCharacterBasedApplication::moveCursorOut()
	{
	setCursorRow(-1);
	}

	void AbstractCharacterBasedApplication::moveCursorHome()
	{
	fetchCurrentLine();
	QString line = m->parsed_line;
	ushort const *ptr = line.utf16();
	ushort const *end = ptr + line.size();
	int x = 0;
	while (1) {
	int c = -1;
	if (ptr < end) {
	c = *ptr;
	ptr++;
	}
	if (c == ' ') {
	x++;
	} else if (c == '\t') {
	x = nextTabStop(x);
	} else {
	break;
	}
	}
	if (x == cx()->current_col) {
	x = 0;
	}
	setCursorCol(x);
	clearParsedLine();
	updateVisibility(true, true, true);
	}

	void AbstractCharacterBasedApplication::moveCursorEnd()
	{
	fetchCurrentLine();
	QByteArray line = m->parsed_line;
	int col = calcVisualWidth(Document::Line(line));
	setCursorCol(col);
	clearParsedLine();
	updateVisibility(true, true, true);
	}

	void AbstractCharacterBasedApplication::scrollUp()
	{
	if (cx()->scroll_row_pos > 0) {
	cx()->scroll_row_pos--;
	invalidateArea();
	clearParsedLine();
	updateVisibility(false, false, true);
	}
	}

	void AbstractCharacterBasedApplication::scrollDown()
	{
	int limit = scrollBottomLimit();
	if (cx()->scroll_row_pos < limit) {
	cx()->scroll_row_pos++;
	invalidateArea();
	clearParsedLine();
	updateVisibility(false, false, true);
	}
	}

	void AbstractCharacterBasedApplication::moveCursorUp()
	{
	if (isSingleLineMode()) {
	// nop
	} else if (cx()->current_row > 0) {
	setCursorRow(cx()->current_row - 1);
	clearParsedLine();
	updateVisibility(true, false, true);
	}
	}

	void AbstractCharacterBasedApplication::moveCursorDown()
	{
	if (isSingleLineMode()) {
	// nop
	} else if (cx()->current_row + 1 < (int)document()->lines.size()) {
	setCursorRow(cx()->current_row + 1);
	clearParsedLine();
	updateVisibility(true, false, true);
	}
	}

	void AbstractCharacterBasedApplication::scrollToTop()
	{
	if (isSingleLineMode()) return;

	setCursorRow(0);
	setCursorCol(0);
	cx()->scroll_row_pos = 0;
	invalidateArea();
	clearParsedLine();
	updateVisibility(true, false, true);
	}

	void AbstractCharacterBasedApplication::moveCursorLeft()
	{
	if (!isShiftModifierPressed() && selection_anchor_0.enabled && selection_anchor_1.enabled) { // 選択領域があったら
	if (selection_anchor_0 != selection_anchor_1) {
	SelectionAnchor a = std::min(selection_anchor_0, selection_anchor_1);
	deselect();
	setCursorRow(a.row);
	setCursorCol(a.col);
	updateVisibility(true, true, true);
	return;
	}
	}

	if (cx()->current_col == 0) {
	if (isSingleLineMode()) {
	// nop
	} else {
	if (cx()->current_row > 0) {
	setCursorRow(cx()->current_row - 1);
	clearParsedLine();
	moveCursorEnd();
	}
	}
	return;
	}

	int col = 0;
	int newcol = 0;
	int index;
	for (index = 0; index < (int)m->prepared_current_line.size(); index++) {
	ushort c = m->prepared_current_line[index];
	if (c == '\r' \|\| c == '\n') {
	break;
	}
	newcol = col;
	if (c == '\t') {
	col = nextTabStop(col);
	} else {
	col += charWidth(c);
	}
	if (col >= cx()->current_col) {
	break;
	}
	}
	m->parsed_col_index = index;
	setCursorCol(newcol);

	updateVisibility(true, true, true);
	}

	void AbstractCharacterBasedApplication::moveCursorRight()
	{
	if (!isShiftModifierPressed() && selection_anchor_0.enabled && selection_anchor_1.enabled) { // 選択領域があったら
	if (selection_anchor_0 != selection_anchor_1) {
	SelectionAnchor a = std::max(selection_anchor_0, selection_anchor_1);
	deselect();
	setCursorRow(a.row);
	setCursorCol(a.col);
	updateVisibility(true, true, true);
	return;
	}
	}

	int col = 0;
	int i = 0;
	while (1) {
	int c = -1;
	if (i < (int)m->prepared_current_line.size()) {
	c = m->prepared_current_line[i];
	}
	if (c == '\r' \|\| c == '\n' \|\| c == -1) {
	if (!isSingleLineMode()) {
	int nextrow = cx()->current_row + 1;
	int lines = document()->lines.size();
	if (nextrow < lines) {
	setCursorPos(nextrow, 0);
	clearParsedLine();
	updateVisibility(true, true, true);
	return;
	}
	}
	break;
	}
	if (c == '\t') {
	col = nextTabStop(col);
	} else {
	col += charWidth(c);
	}
	if (col > cx()->current_col) {
	break;
	}
	i++;
	}
	if (col != cx()->current_col) {
	setCursorCol(col);
	clearParsedLine();
	updateVisibility(true, true, true);
	}
	}

	void AbstractCharacterBasedApplication::movePageUp()
	{
	if (!isSingleLineMode()) {
	int step = editorViewportHeight();
	setCursorRow(cx()->current_row - step);
	cx()->scroll_row_pos -= step;
	if (cx()->current_row < 0) {
	cx()->current_row = 0;
	}
	if (cx()->scroll_row_pos < 0) {
	cx()->scroll_row_pos = 0;
	}
	invalidateArea();
	clearParsedLine();
	updateVisibility(true, false, true);
	}
	}

	void AbstractCharacterBasedApplication::movePageDown()
	{
	if (!isSingleLineMode()) {
	int limit = documentLines();
	if (limit > 0) {
	limit--;
	int step = editorViewportHeight();
	setCursorRow(cx()->current_row + step);
	cx()->scroll_row_pos += step;
	if (cx()->current_row > limit) {
	cx()->current_row = limit;
	}
	limit = scrollBottomLimit();
	if (cx()->scroll_row_pos > limit) {
	cx()->scroll_row_pos = limit;
	}
	} else {
	setCursorRow(0);
	cx()->scroll_row_pos = 0;
	}
	invalidateArea();
	clearParsedLine();
	updateVisibility(true, false, true);
	}
	}

	void AbstractCharacterBasedApplication::scrollRight()
	{
	if (cx()->scroll_col_pos > 0) {
	cx()->scroll_col_pos--;
	} else {
	cx()->scroll_col_pos = 0;
	}
	invalidateArea();
	clearParsedLine();
	updateVisibility(true, true, true);
	}

	void AbstractCharacterBasedApplication::scrollLeft()
	{
	cx()->scroll_col_pos++;
	invalidateArea();
	clearParsedLine();
	updateVisibility(true, true, true);
	}

	void AbstractCharacterBasedApplication::addNewLineToBottom()
	{
	int row = cx()->engine->document.lines.size();
	if (cx()->current_row >= row) {
	setCursorPos(row, 0);
	cx()->engine->document.lines.push_back(Document::Line(QByteArray()));
	}
	}

	void AbstractCharacterBasedApplication::appendNewLine(std::vector<uint32_t> *vec)
	{
	if (isSingleLineMode()) return;

	vec->push_back('\r');
	vec->push_back('\n');
	}

	void AbstractCharacterBasedApplication::writeNewLine()
	{
	if (isReadOnly()) return;
	if (isSingleLineMode()) return;
	if (!isCurrentLineWritable()) return;

	invalidateAreaBelowTheCurrentLine();

	std::vector<uint32_t> curr_line;
	parseLine(&curr_line, 0, false);
	int index = m->parsed_col_index;
	if (index < 0) {
	addNewLineToBottom();
	index = 0;
	}
	std::vector<uint32_t> next_line;
	// split line
	next_line.insert(next_line.end(), curr_line.begin() + index, curr_line.end());
	// shrink current line
	curr_line.resize(index);
	// append new line code
	appendNewLine(&curr_line);
	// next line index
	cx()->current_row = m->parsed_row_index + 1;
	// commit current line
	commitLine(curr_line);
	// insert next line
	m->parsed_row_index = cx()->current_row;
	engine()->document.lines.insert(engine()->document.lines.begin() + m->parsed_row_index, Document::Line(QByteArray()));
	// commit next line
	commitLine(next_line);

	setCursorColByIndex(next_line, 0);

	clearParsedLine();
	updateVisibility(true, true, true);
	}

	void AbstractCharacterBasedApplication::makeColumnPosList(std::vector<int> *out)
	{
	out->clear();
	std::vector<uint32_t> const *line = &m->prepared_current_line;
	int x = 0;
	while (1) {
	size_t index = out->size();
	out->push_back(x);
	int n;
	int c = -1;
	if (index < line->size()) {
	c = line->at(index);
	}
	if (c == '\r' \|\| c == '\n' \|\| c == -1) {
	break;
	}
	if (c == '\t') {
	int z = nextTabStop(x);
	n = z - x;
	} else {
	n = charWidth(c);
	}
	x += n;
	}
	}

	void AbstractCharacterBasedApplication::updateCursorPos(bool auto_scroll)
	{
	if (!cx()->engine) {
	return;
	}

	parseLine(&m->prepared_current_line, 0, false);

	int index = 0;
	int char_span = 0;
	int col = cx()->current_col_hint;

	{
	std::vector<int> pts;
	makeColumnPosList(&pts);
	if (pts.size() > 1) {
	int newcol = pts.back();
	int newindex = pts.size() - 1;
	for (size_t i = 0; i + 1 < pts.size(); i++) {
	int x = pts[i];
	if (x <= col && col < pts[i + 1]) {
	char_span = pts[i + 1] - pts[i];
	newindex = i;
	newcol = x;
	break;
	}
	}
	index = newindex;
	col = newcol;
	} else if (!pts.empty()) {
	col = pts.back();
	} else {
	col = 0;
	}
	}

	m->parsed_col_index = index;

	cx()->current_col = col;

	if (char_span < 1) {
	char_span = 1;
	}
	cx()->current_char_span = char_span;

	if (auto_scroll) {
	int pos = decideColumnScrollPos();
	if (cx()->scroll_col_pos != pos) {
	cx()->scroll_col_pos = pos;
	invalidateArea();
	}
	}
	}

	void AbstractCharacterBasedApplication::printInvertedBar(int x, int y, char const *text, int padchar)
	{
	int w = screenWidth();
	int o = w * y;
	for (int i = 0; i < w; i++) {
	m->screen[o + i].c = 0;
	}

	AbstractCharacterBasedApplication::Option opt;
	opt.char_attr = CharAttr::Invert;
	print(x, y, text, opt);

	for (int i = 0; i < w; i++) {
	if (m->screen[o + i].c == 0) {
	m->screen[o + i].c = padchar;
	}
	m->screen[o + i].a = opt.char_attr;
	}
	}

	QString AbstractCharacterBasedApplication::statusLine() const
	{
	QString text = "[%1:%2]";
	text = text.arg(cx()->current_row + 1).arg(cx()->current_col + 1);
	return text;
	}

	int AbstractCharacterBasedApplication::printArea(TextEditorContext const cx, const SelectionAnchor sel_a, const SelectionAnchor *sel_b)
	{
	int end_of_line_y = -1;
	if (cx) {
	int height = cx->viewport_height;
	QRect clip(cx->viewport_org_x, cx->viewport_org_y, cx->viewport_width, height);
	int row = cx->scroll_row_pos;
	for (int i = 0; i < height; i++) {
	if (row < 0) continue;
	int y = cx->viewport_org_y + i;
	if (row < (int)cx->engine->document.lines.size()) {
	if (i < height) {
	int x = cx->viewport_org_x - cx->scroll_col_pos;
	Document::Line const &line = cx->engine->document.lines[row];
	int anchor_a = -1;
	int anchor_b = -1;
	if (sel_a && sel_a->enabled && sel_b && sel_b->enabled) {
	SelectionAnchor a = *sel_a;
	SelectionAnchor b = *sel_b;
	if (a.row > b.row) {
	std::swap(a, b);
	} else if (a.row == b.row) {
	if (a.col > b.col) {
	std::swap(a, b);
	}
	}
	if (row > a.row && row < b.row) {
	anchor_a = 0;
	} else {
	if (row == a.row) {
	anchor_a = a.col;
	}
	if (row == b.row) {
	anchor_b = b.col;
	}
	}
	}
	QList<FormattedLine> lines = formatLine(line, cx->tab_span, anchor_a, anchor_b);
	for (FormattedLine const &line : lines) {
	AbstractCharacterBasedApplication::Option opt;
	if (line.atts & FormattedLine::StyleID) {
	opt.char_attr.color = QColor(line.atts & 0xff, (line.atts >> 8) & 0xff, (line.atts >> 16) & 0xff);
	}
	opt.clip = clip;
	if (line.isSelected()) {
	opt.char_attr.flags \|= CharAttr::Selected;
	}
	x = print(x, y, line.text, opt);
	}
	int end_x = clip.x() + clip.width();
	if (x < end_x) {
	if (x < clip.left()) {
	x = clip.left();
	}
	if (x < end_x) {
	clearRect(x, y, end_x - x, 1);
	}
	}
	}
	} else {
	if (end_of_line_y < 0) {
	end_of_line_y = i;
	}
	clearRect(cx->viewport_org_x, y, cx->viewport_width, 1);
	if (y >= 0 && y < (int)m->line_flags.size()) {
	m->line_flags[y] \|= LineChanged;
	}
	}
	row++;
	}
	}
	return end_of_line_y;
	}

	void AbstractCharacterBasedApplication::paintLineNumbers(std::function<void(int, QString, Document::Line const *line)> const &draw)
	{
	auto Line = [&](int index)->Document::Line &{
	return editor_cx->engine->document.lines[index];
	};
	int rightpadding = 2;
	int left_margin = editor_cx->viewport_org_x;
	int num = 1;
	size_t offset = 0;
	for (int i = 0; i < editor_cx->viewport_height; i++) {
	char tmp[100];
	Q_ASSERT(left_margin < (int)sizeof(tmp));
	memset(tmp, ' ', left_margin);
	tmp[left_margin] = 0;
	int row = editor_cx->scroll_row_pos + i;
	Document::Line *line = nullptr;
	if (row < (int)editor_cx->engine->document.lines.size()) {
	if (m->valid_line_index < 0) {
	m->valid_line_index = 0;
	Document::Line *p = &Line(0);
	if (p->type != Document::Line::Unknown) {
	p->byte_offset = offset;
	p->line_number = num;
	offset += p->text.size();
	num++;
	}
	}
	line = &Line(row);
	if (row >= m->valid_line_index) {
	{
	Document::Line const &line = Line(m->valid_line_index);
	offset = line.byte_offset;
	num = line.line_number;
	}
	while (m->valid_line_index <= row) {
	Document::Line const &line = Line(m->valid_line_index);
	if (line.type != Document::Line::Unknown) {
	offset += line.text.size();
	num++;
	}
	m->valid_line_index++;
	if (m->valid_line_index < editor_cx->engine->document.lines.size()) {
	Document::Line *p = &Line(m->valid_line_index);
	p->byte_offset = offset;
	p->line_number = num;
	}
	}
	}
	if (left_margin > 1) {
	unsigned int linenum = -1;
	if (row < m->valid_line_index) {
	#if 1
	linenum = line->line_number;
	#else
	linenum = line->byte_offset;
	#endif
	}
	if (linenum != (unsigned int)-1 && line->type != Document::Line::Unknown) {
	sprintf(tmp, "%*u ", left_margin - rightpadding, linenum);
	}
	}
	}
	int y = editor_cx->viewport_org_y + i;
	draw(y, tmp, line);
	}
	}

	bool AbstractCharacterBasedApplication::isAutoLayout() const
	{
	return m->auto_layout;
	}

	void AbstractCharacterBasedApplication::preparePaintScreen()
	{
	if (m->header_line > 0) {
	char const *line = "Hello, world\xe3\x81\x82\xe3\x81\x84\xe3\x81\x86";
	printInvertedBar(0, 0, line, ' ');
	}

	if (m->show_line_number) {
	Option opt_normal;
	paintLineNumbers([&](int y, QString text, Document::Line const *line){
	(void)line;
	print(0, y, text + '\|', opt_normal);
	});
	}

	SelectionAnchor anchor_a;
	SelectionAnchor anchor_b;

	auto MakeSelectionAnchor = [&](){
	if (selection_anchor_0.enabled != SelectionAnchor::No) {
	anchor_a = selection_anchor_0;
	#if 0
	anchor_b.row = cx()->current_row;
	anchor_b.col = cx()->current_col;
	anchor_b.enabled = selection_anchor_0.enabled;
	#else
	anchor_b = selection_anchor_1;
	#endif
	}
	};

	if (isDialogMode()) {
	printArea(editor_cx.get(), &anchor_a, &anchor_b);

	std::string text = m->dialog_title.toStdString();
	text = ' ' + text + ' ';
	int y = screenHeight() - 2;
	printInvertedBar(3, y, text.c_str(), '-');

	MakeSelectionAnchor();
	printArea(dialog_cx.get(), &anchor_a, &anchor_b);
	} else {
	MakeSelectionAnchor();
	editor_cx->bottom_line_y = printArea(editor_cx.get(), &anchor_a, &anchor_b);

	if (m->footer_line > 0) {
	QString line = statusLine();
	int y = screenHeight() - 1;
	printInvertedBar(0, y, line.toStdString().c_str(), ' ');
	}
	}
	}

	void AbstractCharacterBasedApplication::onQuit()
	{
	if (!m->is_quit_enabled) return;

	if (!isDialogMode()) {
	m->state = State::Exit;
	}
	}

	void AbstractCharacterBasedApplication::onOpenFile()
	{
	if (isReadOnly()) return;
	if (!m->is_open_enabled) return;

	if (!isDialogMode()) {
	execDialog("Open File", recentlyUsedPath(), [&](bool ok, QString const &text){
	if (ok) {
	openFile(text);
	}
	});
	}
	}

	void AbstractCharacterBasedApplication::onSaveFile()
	{
	if (!m->is_save_enabled) return;

	if (!isDialogMode()) {
	execDialog("Save File", recentlyUsedPath(), [&](bool ok, QString const &text){
	if (ok) {
	saveFile(text);
	}
	});
	}
	}

	void AbstractCharacterBasedApplication::setNormalTextEditorMode(bool f)
	{
	m->is_quit_enabled = f;
	m->is_open_enabled = f;
	m->is_save_enabled = f;
	setTerminalMode(!f);
	}

	SelectionAnchor AbstractCharacterBasedApplication::currentAnchor(SelectionAnchor::Enabled enabled)
	{
	SelectionAnchor a;
	a.row = cx()->current_row;
	a.col = cx()->current_col;
	a.enabled = enabled;
	return a;
	}

	void AbstractCharacterBasedApplication::deselect()
	{
	selection_anchor_0.enabled = SelectionAnchor::No;
	selection_anchor_1.enabled = SelectionAnchor::No;
	}

	bool AbstractCharacterBasedApplication::isSelectionAnchorEnabled() const
	{
	return selection_anchor_0.enabled != SelectionAnchor::No;
	}

	void AbstractCharacterBasedApplication::setToggleSelectionAnchorEnabled(bool f)
	{
	m->is_toggle_selection_anchor_enabled = f;
	}

	void AbstractCharacterBasedApplication::setReadOnly(bool f)
	{
	m->is_read_only = f;
	}

	bool AbstractCharacterBasedApplication::isReadOnly() const
	{
	return m->is_read_only && !m->is_terminal_mode;
	}

	void AbstractCharacterBasedApplication::setSelectionAnchor(SelectionAnchor::Enabled enabled, bool update_anchor, bool auto_scroll)
	{
	if (update_anchor) {
	selection_anchor_0 = currentAnchor(enabled);
	} else {
	selection_anchor_0.enabled = enabled;
	}
	clearParsedLine();
	updateVisibility(false, false, auto_scroll);
	}

	void AbstractCharacterBasedApplication::toggleSelectionAnchor()
	{
	if (!m->is_toggle_selection_anchor_enabled) return;

	setSelectionAnchor(isSelectionAnchorEnabled() ? SelectionAnchor::No : SelectionAnchor::EnabledHard, true, true);
	selection_anchor_1 = selection_anchor_0;
	}

	void AbstractCharacterBasedApplication::editPaste()
	{
	if (isReadOnly()) return;
	if (isTerminalMode()) return;

	setPaintingSuppressed(true);

	QString str = qApp->clipboard()->text();
	utf16(str.utf16(), str.size()).to_utf32([&](uint32_t c){
	write(c, false);
	return true;
	});

	setPaintingSuppressed(false);
	updateVisibility(true, true, true);
	}

	void AbstractCharacterBasedApplication::editCopy()
	{
	edit_(EditOperation::Copy);
	}

	void AbstractCharacterBasedApplication::editCut()
	{
	if (isReadOnly()) return;
	if (isTerminalMode()) return;
	edit_(EditOperation::Cut);
	}

	void AbstractCharacterBasedApplication::setWriteMode(WriteMode wm)
	{
	m->write_mode = wm;
	}

	bool AbstractCharacterBasedApplication::isInsertMode() const
	{
	return m->write_mode == WriteMode::Insert && !isTerminalMode();
	}

	bool AbstractCharacterBasedApplication::isOverwriteMode() const
	{
	return m->write_mode == WriteMode::Overwrite \|\| isTerminalMode();
	}

	void AbstractCharacterBasedApplication::setTerminalMode(bool f)
	{
	m->is_terminal_mode = f;
	if (isTerminalMode()) {
	showHeader(false);
	showFooter(false);
	showLineNumber(false, 0);
	setLineMargin(0);
	setWriteMode(WriteMode::Overwrite);
	setReadOnly(true);
	}
	layoutEditor();
	}

	bool AbstractCharacterBasedApplication::isTerminalMode() const
	{
	return m->is_terminal_mode;
	}

	bool AbstractCharacterBasedApplication::isBottom() const
	{
	if (cx()->current_row == m->parsed_row_index) {
	if (m->parsed_col_index == (int)m->prepared_current_line.size()) {
	return true;
	}
	}
	return false;
	}

	void AbstractCharacterBasedApplication::moveToTop()
	{
	if (isSingleLineMode()) return;

	deselect();

	cx()->current_row = 0;
	cx()->current_col = 0;
	cx()->current_col_hint = 0;
	cx()->scroll_row_pos = 0;
	scrollToTop();
	invalidateArea();
	clearParsedLine();
	updateVisibility(true, false, true);
	}

	void AbstractCharacterBasedApplication::logicalMoveToBottom()
	{
	deselect();

	cx()->current_row = documentLines();
	cx()->current_col = 0;
	if (cx()->current_row > 0) {
	cx()->current_row = cx()->current_row - 1;
	clearParsedLine();
	fetchCurrentLine();
	int col = calcVisualWidth(Document::Line(m->parsed_line));
	cx()->current_col = col;
	cx()->current_col_hint = col;
	}
	cx()->scroll_row_pos = scrollBottomLimit();
	}

	void AbstractCharacterBasedApplication::moveToBottom()
	{
	if (isSingleLineMode()) return;

	logicalMoveToBottom();

	invalidateArea();
	clearParsedLine();
	updateVisibility(true, false, true);
	}

	int AbstractCharacterBasedApplication::findSyntax(QList<Document::CharAttr_> const *list, size_t offset)
	{
	int lo = 0;
	int hi = list->size();
	while (lo + 1 < hi) {
	int mid = (lo + hi) / 2;
	Document::CharAttr_ const *a = &list->at(mid);
	if (offset == a->offset) {
	return mid;
	}
	if (offset < a->offset) {
	hi = mid;
	} else {
	lo = mid;
	}
	}
	return lo;
	}

	void AbstractCharacterBasedApplication::insertSyntax(QList<Document::CharAttr_> *list, size_t offset, Document::CharAttr_ const &a)
	{
	int i = findSyntax(list, offset);
	int n = list->size();
	if (i < n) {
	if (list->at(i).offset == offset) {
	(*list)[i] = a;
	} else {
	if (i < n) {
	if (a.offset < list->at(i).offset) {
	if (list->at(i).color == a.color) {
	(*list)[i].offset = offset;
	return;
	}
	}
	}
	if (list->at(i).color == a.color) {
	return;
	}
	if (list->at(i).offset < a.offset) {
	i++;
	}
	list->insert(list->begin() + i, a);
	while (++i < n) {
	(*list)[i].offset++;
	}
	}
	} else {
	list->push_back(a);
	}
	}

	void AbstractCharacterBasedApplication::internalWrite(const ushort begin, const ushort end)
	{
	deleteIfSelected();
	clearShiftModifier();

	if (cx()->engine->document.lines.isEmpty()) {
	Document::Line line;
	line.type = Document::Line::Normal;
	line.line_number = 1;
	cx()->engine->document.lines.push_back(line);
	}

	if (!isCurrentLineWritable()) return;

	int len = end - begin;
	parseLine(nullptr, len, false);
	int index = m->parsed_col_index;
	if (index < 0) {
	addNewLineToBottom();
	index = 0;
	}

	std::vector<uint32_t> *vec = &m->prepared_current_line;

	auto WriteChar = [&](ushort c){
	if (isInsertMode()) {
	vec->insert(vec->begin() + index, c);
	} else if (isOverwriteMode()) {
	if (index < (int)vec->size()) {
	ushort d = vec->at(index);
	if (d == '\n' \|\| d == '\r') {
	vec->insert(vec->begin() + index, c);
	} else {
	vec->at(index) = c;
	}
	} else {
	vec->push_back(c);
	}
	}
	Document::CharAttr_ a;
	a.offset = index;
	a.color = m->escape_sequence.fg_color_code();
	insertSyntax(&m->syntax_table, index, a);
	};

	ushort const *ptr = begin;
	while (ptr < end) {
	ushort c = *ptr;
	ptr++;
	if (c >= 0xd800 && c < 0xdc00) {
	if (ptr < end) {
	ushort d = *ptr;
	if (d >= 0xdc00 && d < 0xe000) {
	ptr++;
	int u = 0x10000 + (c - 0xd800) * 0x400 + (d - 0xdc00);
	WriteChar(u);
	index++;
	}
	}
	} else {
	WriteChar(c);
	index++;
	}
	}
	m->parsed_col_index = index;
	commitLine(*vec);
	setCursorColByIndex(*vec, index);
	updateVisibility(true, true, true);
	}

	void AbstractCharacterBasedApplication::pressLetterWithControl(int c)
	{
	if (c < 0 \|\| c > 0x7f) {
	return;
	}
	if (c < 0x40) {
	c += 0x40;
	}
	c = toupper(c);
	switch (c) {
	case 'A':
	toggleSelectionAnchor();
	break;
	case 'Q':
	onQuit();
	break;
	case 'O':
	onOpenFile();
	break;
	case 'S':
	onSaveFile();
	break;
	case 'X':
	editCut();
	break;
	case 'C':
	editCopy();
	break;
	case 'V':
	editPaste();
	break;
	}
	}

	void AbstractCharacterBasedApplication::write(uint32_t c, bool by_keyboard)
	{
	if (isTerminalMode()) {
	if (c == '\r') {
	setCursorCol(0);
	clearParsedLine();
	updateVisibility(true, true, true);
	return;
	}
	if (m->cursor_moved_by_mouse) {
	moveToBottom();
	}
	if (c == 0x1b \|\| m->escape_sequence.isActive()) {
	m->escape_sequence.write(c);
	return;
	}
	}

	bool ok = !(isTerminalMode() && by_keyboard);

	if (c < 0x20) {
	if (c == 0x08) {
	if (ok) {
	doBackspace();
	}
	} else if (c == 0x09) {
	if (ok) {
	ushort u = c;
	internalWrite(&u, &u + 1);
	}
	} else if (c == 0x0a) {
	if (ok) {
	pressEnter();
	}
	} else if (c == 0x0d) {
	if (ok) {
	writeCR();
	}
	} else if (c == 0x1b) {
	pressEscape();
	} else if (c >= 1 && c <= 26) {
	pressLetterWithControl(c);
	}
	} else if (c == 0x7f) {
	if (ok) {
	doDelete();
	}
	} else if (c < 0x10000) {
	if (ok) {
	ushort u = c;
	internalWrite(&u, &u + 1);
	}
	} else if (c >= 0x10000 && c <= 0x10ffff) {
	if (ok) {
	ushort t[2];
	t[0] = (c - 0x10000) / 0x400 + 0xd800;
	t[1] = (c - 0x10000) % 0x400 + 0xdc00;
	internalWrite(t, t + 2);
	}
	} else {
	switch (c) {
	case EscapeCode::Up:
	if (ok) moveCursorUp();
	break;
	case EscapeCode::Down:
	if (ok) moveCursorDown();
	break;
	case EscapeCode::Right:
	if (ok) moveCursorRight();
	break;
	case EscapeCode::Left:
	if (ok) moveCursorLeft();
	break;
	case EscapeCode::Home:
	if (ok) moveCursorHome();
	break;
	case EscapeCode::End:
	if (ok) moveCursorEnd();
	break;
	case EscapeCode::PageUp:
	if (ok) movePageUp();
	break;
	case EscapeCode::PageDown:
	if (ok) movePageDown();
	break;
	case EscapeCode::Insert:
	clearShiftModifier();
	break;
	case EscapeCode::Delete:
	clearShiftModifier();
	if (ok) doDelete();
	break;
	}
	}
	}

	void AbstractCharacterBasedApplication::write(char const *ptr, int len, bool by_keyboard)
	{
	if (isReadOnly()) return;

	char const *begin = ptr;
	char const *end = begin + (len < 0 ? strlen(ptr) : len);
	char const *left = begin;
	char const *right = begin;
	while (1) {
	int c = -1;
	if (right < end) {
	c = *right & 0xff;
	}
	if (c == '\n' \|\| c == '\r' \|\| c < 0) {
	utf8 src(left, right);
	while (1) {
	int d = src.next();
	if (d == 0) break;
	write(d, by_keyboard);
	}
	if (c < 0) break;
	right++;
	if (c == '\r') {
	c = isInsertMode() ? '\n' : '\r';
	if (right < end && *right == '\n') {
	c = '\n';
	right++;
	}
	write(c, by_keyboard);
	} else if (c == '\n') {
	write('\n', by_keyboard);
	}
	left = right;
	} else {
	right++;
	}
	}
	}

	void AbstractCharacterBasedApplication::write(const std::string &text)
	{
	if (!text.empty()) {
	write(text.c_str(), text.size(), false);
	}
	}

	-void AbstractCharacterBasedApplication::write_(const char *ptr, bool by_keyboard)
	+void AbstractCharacterBasedApplication::write_(char const *ptr, bool by_keyboard)
	{
	write(ptr, -1, by_keyboard);
	}

	void AbstractCharacterBasedApplication::write_(QString text, bool by_keyboard)
	{
	if (isReadOnly()) return;

	if (text.size() == 1) {
	ushort c = text.at(0).unicode();
	write(c, by_keyboard);
	return;
	}
	int len = text.size();
	if (len > 0) {
	ushort const *begin = text.utf16();
	ushort const *end = begin + len;
	ushort const *left = begin;
	ushort const *right = begin;
	while (1) {
	int c = -1;
	if (right < end) {
	c = *right;
	}
	if (c < 0x20) {
	if (left < right) {
	internalWrite(left, right);
	}
	if (c == -1) break;
	right++;
	if (c == '\n' \|\| c == '\r') {
	if (c == '\r') {
	if (right < end && *right == '\n') {
	right++;
	}
	}
	writeNewLine();
	} else {
	write(c, by_keyboard);
	}
	left = right;
	} else {
	right++;
	}
	}
	}
	}



	void AbstractCharacterBasedApplication::write(QKeyEvent *e)
	{
	setModifierKeys(e->modifiers());

	int c = e->key();
	if (c == Qt::Key_Backspace) {
	write(0x08, true);
	} else if (c == Qt::Key_Delete) {
	write(0x7f, true);
	} else if (c == Qt::Key_Up) {
	if (isControlModifierPressed()) {
	scrollUp();
	} else {
	write(EscapeCode::Up, true);
	}
	} else if (c == Qt::Key_Down) {
	if (isControlModifierPressed()) {
	scrollDown();
	} else {
	write(EscapeCode::Down, true);
	}
	} else if (c == Qt::Key_Left) {
	write(EscapeCode::Left, true);
	} else if (c == Qt::Key_Right) {
	write(EscapeCode::Right, true);
	} else if (c == Qt::Key_PageUp) {
	write(EscapeCode::PageUp, true);
	} else if (c == Qt::Key_PageDown) {
	write(EscapeCode::PageDown, true);
	} else if (c == Qt::Key_Home) {
	if (isControlModifierPressed()) {
	moveToTop();
	} else {
	write(EscapeCode::Home, true);
	}
	} else if (c == Qt::Key_End) {
	if (isControlModifierPressed()) {
	moveToBottom();
	} else {
	write(EscapeCode::End, true);
	}
	} else if (c == Qt::Key_Return \|\| c == Qt::Key_Enter) {
	write('\n', true);
	} else if (c == Qt::Key_Escape) {
	write(0x1b, true);
	} else if (isControlModifierPressed()) {
	if (QChar(c).isLetter()) {
	c = QChar(c).toUpper().unicode();
	if (c >= 0x40 && c < 0x60) {
	write(c - 0x40, true);
	}
	}
	} else {
	QString text = e->text();
	write_(text, true);
	}
	}



	void Document::retrieveLastText(std::vector<char> *out, int maxlen) const
	{
	int remain = maxlen;
	int i = lines.size();
	while (i > 0 && remain > 0) {
	i--;
	QByteArray const &data = lines[i].text;
	int n = data.size();
	if (n > remain) {
	n = remain;
	}
	char const *p = data.data() + data.size() - n;
	out->insert(out->begin(), p, p + n);
	remain -= n;
	}
	}
	diff --git a/src/texteditor/AbstractCharacterBasedApplication.h b/src/texteditor/AbstractCharacterBasedApplication.h
	index a0747f3..34d4f5f 100644
	--- a/src/texteditor/AbstractCharacterBasedApplication.h
	+++ b/src/texteditor/AbstractCharacterBasedApplication.h
	@@ -1,421 +1,421 @@
	#ifndef ABSTRACTCHARACTERBASEDAPPLICATION_H
	#define ABSTRACTCHARACTERBASEDAPPLICATION_H

	#include <QList>
	#include <QRect>
	#include <QString>
	#include <QByteArray>
	#include <memory>
	#include <vector>
	#include <functional>
	#include <QKeyEvent>
	#include <QColor>

	namespace EscapeCode {
	enum EscapeCode {
	Up = 0x1b5b4100,
	Down = 0x1b5b4200,
	Right = 0x1b5b4300,
	Left = 0x1b5b4400,
	Home = 0x1b4f4800,
	End = 0x1b4f4600,
	Insert = 0x1b5b327e,
	Delete = 0x1b5b337e,
	PageUp = 0x1b5b357e,
	PageDown = 0x1b5b367e,
	};
	}

	class Document {
	public:
	struct CharAttr_ {
	size_t offset = 0;
	int color = -1;
	};
	struct Line {
	enum Type {
	Unknown,
	Normal,
	Add,
	Del,
	};
	int type = Unknown;
	int hunk_number = -1;
	int line_number = 0;
	size_t byte_offset = 0;
	QByteArray text;

	Line() = default;

	explicit Line(QByteArray const &ba)
	: type(Normal)
	, text(ba)
	{
	}

	explicit Line(std::string const &str, Type type = Normal)
	: type(type)
	{
	text.append(str.c_str(), str.size());
	}
	};

	QList<Line> lines;
	void retrieveLastText(std::vector<char> *out, int maxlen) const;
	};

	class TextEditorEngine {
	public:
	Document document;
	TextEditorEngine()
	{
	document.lines.push_back(Document::Line(QByteArray()));
	}
	};

	struct SelectionAnchor {
	enum Enabled {
	No,
	EnabledHard,
	EnabledEasy,
	};

	Enabled enabled = No;
	int row = 0;
	int col = 0;
	int compare(SelectionAnchor const &a) const
	{
	if (enabled && a.enabled) {
	if (row < a.row) return -1;
	if (row > a.row) return 1;
	if (col < a.col) return -1;
	if (col > a.col) return 1;
	} else {
	if (a.enabled) return -1;
	if (enabled) return 1;
	}
	return 0;
	}
	bool operator == (SelectionAnchor const &a) const
	{
	return compare(a) == 0;
	}
	bool operator != (SelectionAnchor const &a) const
	{
	return compare(a) != 0;
	}
	bool operator < (SelectionAnchor const &a) const
	{
	return compare(a) < 0;
	}
	bool operator > (SelectionAnchor const &a) const
	{
	return compare(a) > 0;
	}
	bool operator <= (SelectionAnchor const &a) const
	{
	return compare(a) <= 0;
	}
	bool operator >= (SelectionAnchor const &a) const
	{
	return compare(a) >= 0;
	}
	};

	using TextEditorEnginePtr = std::shared_ptr<TextEditorEngine>;

	struct TextEditorContext {
	QRect cursor_rect;
	bool single_line = false;
	int current_row = 0;
	int current_col = 0;
	int current_col_hint = 0;
	int saved_row = 0;
	int saved_col = 0;
	int saved_col_hint = 0;
	int current_char_span = 1;
	int scroll_row_pos = 0;
	int scroll_col_pos = 0;
	int viewport_org_x = 0;
	int viewport_org_y = 1;
	int viewport_width = 80;
	int viewport_height = 23;
	int tab_span = 4;
	int bottom_line_y = -1;
	TextEditorEnginePtr engine;
	};

	-using DialogHandler = std::function<void (bool, const QString &)>;
	+using DialogHandler = std::function<void (bool, QString const &)>;

	class AbstractCharacterBasedApplication {
	public:
	static const int LEFT_MARGIN = 8;
	static const int RIGHT_MARGIN = 10;

	enum class WriteMode {
	Insert,
	Overwrite,
	};

	enum class State {
	Normal,
	Exit,
	};

	struct CharAttr {
	uint16_t index;
	uint16_t flags = 0;
	QColor color;
	CharAttr(int index = Normal)
	: index(index)
	{
	}
	bool operator == (CharAttr const &r) const
	{
	return index == r.index && color == r.color;
	}
	bool operator != (CharAttr const &r) const
	{
	return !operator == (r);
	}
	enum Index {
	Normal,
	Invert,
	Hilite,
	};
	enum Flag {
	Selected = 0x0001,
	CurrentLine = 0x0002,
	};
	};

	struct Option {
	CharAttr char_attr;
	QRect clip;
	};

	struct Character {
	uint16_t c = 0;
	CharAttr a;
	};

	enum LineFlag {
	LineChanged = 1,
	};

	static int charWidth(uint32_t c);

	class FormattedLine {
	public:
	QString text;
	enum Attr {
	StyleID = 0x00ffffff,
	Selected = 0x01000000,
	};
	uint32_t atts;
	FormattedLine(QString const &text, int atts)
	: text(text)
	, atts(atts)
	{
	}
	bool isSelected() const
	{
	return atts & Selected;
	}
	};

	QList<FormattedLine> formatLine(const Document::Line &line, int tab_span, int anchor_a = -1, int anchor_b = -1) const;
	private:
	struct Private;
	Private *m;
	protected:
	SelectionAnchor selection_anchor_0;
	SelectionAnchor selection_anchor_1;
	protected:

	std::vector<Character> *screen();
	std::vector<Character> const *screen() const;
	std::vector<uint8_t> *line_flags();

	void initEditor();

	void fetchCurrentLine() const;
	void clearParsedLine();

	int cursorX() const;
	int cursorY() const;

	int editorViewportWidth() const;
	int editorViewportHeight() const;

	virtual int print(int x, int y, QString const &text, Option const &opt);

	std::shared_ptr<TextEditorContext> editor_cx;
	std::shared_ptr<TextEditorContext> dialog_cx;

	TextEditorContext *cx();
	TextEditorContext const *cx() const;

	Document *document();
	int documentLines() const;

	bool isSingleLineMode() const;

	void ensureCurrentLineVisible();
	int decideColumnScrollPos() const;

	int calcVisualWidth(Document::Line const &line) const;

	int leftMargin_() const;

	void makeBuffer();
	int printArea(const TextEditorContext cx, SelectionAnchor const sel_a = nullptr, SelectionAnchor const *sel_b = nullptr);

	int calcIndexToColumn(const std::vector<uint32_t> &vec, int index) const;

	virtual void updateVisibility(bool ensure_current_line_visible, bool change_col, bool auto_scroll) = 0;
	void commitLine(const std::vector<uint32_t> &vec);

	void doDelete();
	void doBackspace();

	bool isDialogMode();
	void setDialogMode(bool f);
	void closeDialog(bool result);
	- void setDialogOption(const QString &title, const QString &value, DialogHandler handler);
	- void execDialog(const QString &dialog_title, QString dialog_value, DialogHandler handler);
	+ void setDialogOption(QString const &title, QString const &value, DialogHandler handler);
	+ void execDialog(QString const &dialog_title, QString dialog_value, DialogHandler handler);
	void toggleSelectionAnchor();
	private:
	int internalParseLine(std::vector<uint32_t> *vec, int increase_hint) const;
	void internalWrite(const ushort begin, const ushort end);
	void pressLetterWithControl(int c);
	void invalidateAreaBelowTheCurrentLine();
	void onQuit();
	void onOpenFile();
	void onSaveFile();
	- void printInvertedBar(int x, int y, const char *text, int padchar);
	+ void printInvertedBar(int x, int y, char const *text, int padchar);
	SelectionAnchor currentAnchor(SelectionAnchor::Enabled enabled);
	enum class EditOperation {
	Cut,
	Copy,
	};
	void editSelected(EditOperation op, std::vector<uint32_t> *cutbuffer);
	void deselect();
	int calcColumnToIndex(int column);
	void edit_(EditOperation op);
	bool isCurrentLineWritable() const;
	void initEngine(const std::shared_ptr<TextEditorContext>& cx);
	void writeCR();
	bool deleteIfSelected();
	static int findSyntax(const QList<Document::CharAttr_> *list, size_t offset);
	static void insertSyntax(QList<Document::CharAttr_> *list, size_t offset, const Document::CharAttr_ &a);
	protected:

	void parseLine(std::vector<uint32_t> *vec, int increase_hint, bool force);
	QByteArray parsedLine() const;
	void setCursorRow(int row, bool auto_scroll = true, bool by_mouse = false);
	void setCursorCol(int col, bool auto_scroll = true, bool by_mouse = false);
	void setCursorPos(int row, int col);
	void setCursorColByIndex(const std::vector<uint32_t> &vec, int col_index);
	int nextTabStop(int x) const;
	int scrollBottomLimit() const;
	bool isPaintingSuppressed() const;
	void setPaintingSuppressed(bool f);
	void scrollRight();
	void scrollLeft();

	void addNewLineToBottom();
	void appendNewLine(std::vector<uint32_t> *vec);
	void writeNewLine();
	void updateCursorPos(bool auto_scroll);

	QString statusLine() const;

	void preparePaintScreen();
	- void setRecentlyUsedPath(const QString &path);
	+ void setRecentlyUsedPath(QString const &path);
	QString recentlyUsedPath();
	void clearRect(int x, int y, int w, int h);
	void paintLineNumbers(std::function<void(int, QString, Document::Line const *line)> const &draw);
	bool isAutoLayout() const;
	void invalidateArea(int top_y = 0);
	void savePos();
	void restorePos();
	public:
	virtual void layoutEditor();
	void scrollUp();
	void scrollDown();
	void moveCursorOut();
	void moveCursorHome();
	void moveCursorEnd();
	void moveCursorUp();
	void moveCursorDown();
	void moveCursorLeft();
	void moveCursorRight();
	void movePageUp();
	void movePageDown();
	void scrollToTop();

	AbstractCharacterBasedApplication();
	virtual ~AbstractCharacterBasedApplication();
	TextEditorEnginePtr engine();
	int screenWidth() const;
	int screenHeight() const;
	void setScreenSize(int w, int h, bool update_layout);
	void setTextEditorEngine(const TextEditorEnginePtr &e);
	- void openFile(const QString &path);
	- void saveFile(const QString &path);
	+ void openFile(QString const &path);
	+ void saveFile(QString const &path);
	void loadExampleFile();
	void pressEnter();
	void pressEscape();
	State state() const;
	bool isLineNumberVisible() const;
	void showLineNumber(bool show, int left_margin = LEFT_MARGIN);
	void showHeader(bool f);
	void showFooter(bool f);
	void setAutoLayout(bool f);
	void setDocument(const QList<Document::Line> *source);
	void setSelectionAnchor(SelectionAnchor::Enabled enabled, bool update_anchor, bool auto_scroll);
	bool isSelectionAnchorEnabled() const;
	void setNormalTextEditorMode(bool f);
	void setToggleSelectionAnchorEnabled(bool f);
	void setReadOnly(bool f);
	bool isReadOnly() const;
	void editPaste();
	void editCopy();
	void editCut();
	void setWriteMode(WriteMode wm);
	bool isInsertMode() const;
	bool isOverwriteMode() const;
	void setTerminalMode(bool f);
	bool isTerminalMode() const;
	void moveToTop();
	void moveToBottom();
	bool isBottom() const;
	void setLineMargin(int n);
	void write(uint32_t c, bool by_keyboard);
	- void write(const char *ptr, int len, bool by_keyboard);
	+ void write(char const *ptr, int len, bool by_keyboard);
	void write(std::string const &text);
	void write(QKeyEvent *e);
	void setTextCodec(QTextCodec *codec);
	void setCursorVisible(bool show);
	bool isCursorVisible();
	void setModifierKeys(Qt::KeyboardModifiers keymod);
	bool isControlModifierPressed() const;
	bool isShiftModifierPressed() const;
	void clearShiftModifier();
	void retrieveLastText(std::vector<char> *out, int maxlen) const;
	bool isChanged() const;
	void setChanged(bool f);
	void logicalMoveToBottom();
	protected:
	- void write_(const char *ptr, bool by_keyboard);
	+ void write_(char const *ptr, bool by_keyboard);
	void write_(QString text, bool by_keyboard);
	void makeColumnPosList(std::vector<int> *out);
	};

	class AbstractTextEditorApplication : public AbstractCharacterBasedApplication {

	};


	#endif // ABSTRACTCHARACTERBASEDAPPLICATION_H
	diff --git a/src/texteditor/TextEditorWidget.h b/src/texteditor/TextEditorWidget.h
	index 69cf6f2..ffed245 100644
	--- a/src/texteditor/TextEditorWidget.h
	+++ b/src/texteditor/TextEditorWidget.h
	@@ -1,106 +1,106 @@
	#ifndef OREWIDGET_H
	#define OREWIDGET_H

	#include <QTextFormat>
	#include <QWidget>
	#include <vector>
	#include <stdint.h>
	#include <memory>
	#include "AbstractCharacterBasedApplication.h"
	#include "TextEditorTheme.h"

	class QScrollBar;

	struct PreEditText {
	struct Format {
	int start;
	int length;
	QTextFormat format;
	Format(int start, int length, QTextFormat const &f)
	: start(start)
	, length(length)
	, format(f)
	{
	}
	};

	QString text;
	std::vector<Format> format;
	};

	class TextEditorWidget : public QWidget, public AbstractTextEditorApplication {
	Q_OBJECT
	public:
	enum RenderingMode {
	CharacterMode,
	DecoratedMode,
	};
	private:
	struct Private;
	Private *m;

	void paintScreen(QPainter *painter);
	void drawCursor(QPainter *pr);
	void drawFocusFrame(QPainter *pr);
	QRect updateCursorRect(bool auto_scroll);
	RenderingMode renderingMode() const;
	QColor defaultForegroundColor();
	QColor defaultBackgroundColor();
	QColor colorForIndex(CharAttr const &attr, bool foreground);
	//QColor colorForIndex(int index, bool foreground);
	void internalUpdateVisibility(bool ensure_current_line_visible, bool change_col, bool auto_scroll);
	void internalUpdateScrollBar();
	void moveCursorByMouse();
	protected:
	void paintEvent(QPaintEvent *);
	void mousePressEvent(QMouseEvent *event);
	void mouseReleaseEvent(QMouseEvent *event);
	void mouseMoveEvent(QMouseEvent *event);
	void wheelEvent(QWheelEvent *event);
	void resizeEvent(QResizeEvent *event);
	void contextMenuEvent(QContextMenuEvent *event);
	QFont textFont();
	- void drawText(QPainter *painter, int px, int py, const QString &str);
	+ void drawText(QPainter *painter, int px, int py, QString const &str);
	public:
	explicit TextEditorWidget(QWidget *parent = 0);
	~TextEditorWidget();

	void setTheme(TextEditorThemePtr theme);
	TextEditorTheme const *theme() const;

	int latin1Width() const;
	int lineHeight() const;

	void setPreEditText(PreEditText const &preedit);

	void updateVisibility(bool ensure_current_line_visible, bool change_col, bool auto_scroll);

	bool event(QEvent *event);

	void bindScrollBar(QScrollBar vsb, QScrollBar hsb);
	void setupForLogWidget(QScrollBar vsb, QScrollBar hsb, TextEditorThemePtr theme);

	QPoint mapFromPixel(const QPoint &pt);
	QPoint mapToPixel(const QPoint &pt);

	QVariant inputMethodQuery(Qt::InputMethodQuery q) const;
	void inputMethodEvent(QInputMethodEvent *e);
	void refrectScrollBar();

	void setRenderingMode(RenderingMode mode);

	void move(int cur_row, int cur_col, int scr_row, int scr_col, bool auto_scroll);
	void layoutEditor();
	void setFocusFrameVisible(bool f);
	signals:
	void moved(int cur_row, int cur_col, int scr_row, int scr_col);
	void updateScrollBar();
	void idle();
	protected:
	void timerEvent(QTimerEvent *);
	};




	#endif // OREWIDGET_H
	diff --git a/src/texteditor/unicode.cpp b/src/texteditor/unicode.cpp
	index 4ee66a9..8449aab 100644
	--- a/src/texteditor/unicode.cpp
	+++ b/src/texteditor/unicode.cpp
	@@ -1,364 +1,364 @@

	#include "unicode.h"


	namespace unicode_helper_ {

	class reader {
	public:
	virtual ~reader() = default;
	virtual int get() = 0;
	};

	class writer8 {
	public:
	virtual ~writer8() = default;
	virtual void put(int c) = 0;
	};

	class writer16 {
	public:
	virtual ~writer16() = default;
	virtual void put(int c) = 0;
	};

	void clear_state(utf8_reader_state_t *s)
	{
	s->a = 0;
	s->b = 0;
	}

	int decode_utf8(utf8_reader_state_t *state, uint8_t c)
	{
	if (c & 0x80) {
	if (c & 0x40) {
	state->a = c;
	if (c & 0x20) {
	if (c & 0x10) {
	if (c & 0x08) {
	if (c & 0x04) {
	state->b = c & 0x01;
	} else {
	state->b = c & 0x03;
	}
	} else {
	state->b = c & 0x07;
	}
	} else {
	state->b = c & 0x0f;
	}
	} else {
	state->b = c & 0x1f;
	}
	return -1;
	} else {
	state->a <<= 1;
	state->b = (state->b << 6) \| (c & 0x3f);
	if ((state->a & 0x40) == 0) {
	return state->b;
	}
	return -1;
	}
	} else {
	state->a = 0;
	state->b = 0;
	return c;
	}
	}

	void encode_utf8(writer8 *writer, uint32_t code)
	{
	if (code < 0x80) {
	writer->put(code);
	} else if (code < 0x800) {
	writer->put((code >> 6) \| 0xc0);
	writer->put((code & 0x3f) \| 0x80);
	} else if (code < 0x10000) {
	writer->put((code >> 12) \| 0xe0);
	writer->put(((code >> 6) & 0x3f) \| 0x80);
	writer->put((code & 0x3f) \| 0x80);
	} else if (code < 0x200000) {
	writer->put((code >> 18) \| 0xf0);
	writer->put(((code >> 12) & 0x3f) \| 0x80);
	writer->put(((code >> 6) & 0x3f) \| 0x80);
	writer->put((code & 0x3f) \| 0x80);
	} else if (code < 0x4000000) {
	writer->put((code >> 24) \| 0xf8);
	writer->put(((code >> 18) & 0x3f) \| 0x80);
	writer->put(((code >> 12) & 0x3f) \| 0x80);
	writer->put(((code >> 6) & 0x3f) \| 0x80);
	writer->put((code & 0x3f) \| 0x80);
	} else {
	writer->put((code >> 30) \| 0xfc);
	writer->put(((code >> 24) & 0x3f) \| 0x80);
	writer->put(((code >> 18) & 0x3f) \| 0x80);
	writer->put(((code >> 12) & 0x3f) \| 0x80);
	writer->put(((code >> 6) & 0x3f) \| 0x80);
	writer->put((code & 0x3f) \| 0x80);
	}
	}

	void encode_utf16(writer16 *writer, uint32_t code)
	{
	if (code >= 0x010000 && code <= 0x10ffff) {
	uint16_t hi = (code - 0x10000) / 0x400 + 0xD800;
	uint16_t lo = (code - 0x10000) % 0x400 + 0xDC00;
	writer->put(hi);
	writer->put(lo);
	return;
	}
	writer->put(code);
	}

	//

	-utf8decoder::utf8decoder(const char begin, const char end)
	+utf8decoder::utf8decoder(char const begin, char const end)
	: begin(begin)
	, end(end)
	, pos(0)
	{
	clear_state(&s);
	}

	uint32_t utf8decoder::next()
	{
	while (begin + pos < end) {
	int c = decode_utf8(&s, (uint8_t)begin[pos]);
	pos++;
	if (c >= 0) return c;
	}
	return 0;
	}

	} // namespace


	//

	utf32::utf32(const uint32_t ptr, const uint32_t end)
	{
	data.ptr = ptr;
	data.end = end;
	}

	utf32::utf32(const uint32_t *ptr)
	{
	data.ptr = ptr;
	for (data.end = ptr; *data.end; data.end++);
	}

	utf32::utf32(const uint32_t *ptr, size_t len)
	{
	data.ptr = ptr;
	data.end = ptr + len;
	}

	uint32_t utf32::next()
	{
	if (data.ptr && data.ptr < data.end) {
	return *data.ptr++;
	}
	return 0;
	}

	//

	utf16::utf16(const uint16_t ptr, const uint16_t end)
	{
	data.ptr = ptr;
	data.end = end;
	}

	utf16::utf16(const uint16_t *ptr)
	{
	data.ptr = ptr;
	for (data.end = ptr; *data.end; data.end++);
	}

	utf16::utf16(const uint16_t *ptr, size_t len)
	{
	data.ptr = ptr;
	data.end = ptr + len;
	}

	uint32_t utf16::next()
	{
	if (data.ptr && data.ptr < data.end) {
	uint32_t code = *data.ptr++;
	if (code >= 0xd800 && code < 0xdc00) {
	if (data.ptr < data.end) {
	uint32_t low = *data.ptr;
	if (low >= 0xdc00 && low < 0xe000) {
	code = 0x10000 + (code - 0xd800) * 0x0400 + (low - 0xdc00);
	data.ptr++;
	}
	}
	}
	return code;
	}
	return 0;
	}

	//

	class utf8encoder::internal_writer : public unicode_helper_::writer8 {
	public:
	char *dst;
	int len;
	public:
	internal_writer(char *p)
	: dst(p)
	, len(0)
	{
	}
	~internal_writer() override = default;
	void put(int c) override
	{
	dst[len++] = c;
	}
	};

	utf8encoder::utf8encoder(abstract_unicode_reader *reader)
	{
	set(reader);
	}

	void utf8encoder::set(abstract_unicode_reader *reader)
	{
	data.reader = reader;
	data.len = 0;
	data.pos = 0;
	}

	bool utf8encoder::next_()
	{
	if (data.pos < data.len) {
	data.c = data.buf[data.pos];
	data.pos++;
	return true;
	}
	data.c = 0;
	return false;
	}

	bool utf8encoder::next()
	{
	if (next_()) {
	return true;
	}
	if (data.reader) {
	uint32_t code = data.reader->next();
	if (code) {
	internal_writer w(data.buf);
	unicode_helper_::encode_utf8(&w, code);
	data.len = w.len;
	data.pos = 0;
	return next_();
	}
	}
	return false;
	}

	char utf8encoder::get()
	{
	if (next()) {
	return data.c;
	}
	return 0;
	}

	int utf8encoder::pos() const
	{
	return data.pos;
	}

	//

	class utf16encoder::internal_writer : public unicode_helper_::writer16 {
	public:
	uint16_t *dst;
	int len = 0;
	public:
	internal_writer(uint16_t *p)
	: dst(p)
	{
	}
	~internal_writer() override = default;
	void put(int c) override
	{
	dst[len++] = c;
	}
	};

	utf16encoder::utf16encoder(abstract_unicode_reader *reader)
	{
	set(reader);
	}

	void utf16encoder::set(abstract_unicode_reader *reader)
	{
	data.reader = reader;
	data.len = 0;
	data.pos = 0;
	}

	bool utf16encoder::next_()
	{
	if (data.pos < data.len) {
	data.c = data.buf[data.pos];
	data.pos++;
	return true;
	}
	data.c = 0;
	return false;
	}

	bool utf16encoder::next()
	{
	if (next_()) {
	return true;
	}
	if (data.reader) {
	uint32_t code = data.reader->next();
	if (code) {
	internal_writer w(data.buf);
	unicode_helper_::encode_utf16(&w, code);
	data.len = w.len;
	data.pos = 0;
	return next_();
	}
	}
	return false;
	}

	uint16_t utf16encoder::get()
	{
	if (next()) {
	return data.c;
	}
	return 0;
	}

	//

	-utf8::utf8(const char ptr, const char end)
	+utf8::utf8(char const ptr, char const end)
	: reader(ptr, end)
	{
	}

	-utf8::utf8(const char *ptr)
	+utf8::utf8(char const *ptr)
	: reader(ptr, ptr + strlen(ptr))
	{
	}

	-utf8::utf8(const char *ptr, size_t len)
	+utf8::utf8(char const *ptr, size_t len)
	: reader(ptr, ptr + len)
	{
	}

	uint32_t utf8::next()
	{
	return reader.next();
	}


	diff --git a/src/unix/UnixProcess.cpp b/src/unix/UnixProcess.cpp
	index 00ae7b1..40d583d 100644
	--- a/src/unix/UnixProcess.cpp
	+++ b/src/unix/UnixProcess.cpp
	@@ -1,337 +1,337 @@
	#include "UnixProcess.h"
	#include <stdlib.h>
	#include <unistd.h>
	#include <time.h>
	#include <sys/types.h>
	#include <sys/wait.h>
	#include <sys/time.h>
	#include <QDebug>
	#include <QMutex>
	#include <QThread>
	#include <deque>

	class OutputReaderThread : public QThread {
	private:
	int fd;
	QMutex *mutex;
	std::deque<char> *buffer;
	protected:
	void run() override
	{
	while (1) {
	char buf[1024];
	int n = read(fd, buf, sizeof(buf));
	if (n < 1) break;
	if (buffer) {
	QMutexLocker lock(mutex);
	buffer->insert(buffer->end(), buf, buf + n);
	}
	}
	}
	public:
	OutputReaderThread(int fd, QMutex mutex, std::deque<char> out)
	: fd(fd)
	, mutex(mutex)
	, buffer(out)
	{

	}
	};

	class UnixProcessThread : public QThread {
	public:
	QMutex *mutex = nullptr;
	std::vector<std::string> argvec;
	std::vector<char *> args;
	std::deque<char> inq;
	std::deque<char> outq;
	std::deque<char> errq;
	bool use_input = false;
	int fd_in_read = -1;
	int pid = 0;
	int exit_code = -1;
	bool close_input_later = false;
	protected:
	public:
	void init(QMutex *mutex, bool use_input)
	{
	this->mutex = mutex;
	this->use_input = use_input;
	}
	void reset()
	{
	argvec.clear();
	args.clear();
	inq.clear();
	outq.clear();
	errq.clear();
	use_input = false;
	fd_in_read = -1;
	pid = 0;
	exit_code = -1;
	close_input_later = false;
	}

	protected:
	void run() override
	{
	exit_code = -1;
	const int R = 0;
	const int W = 1;
	const int E = 2;
	int stdin_pipe[3] = { -1, -1, -1 };
	int stdout_pipe[3] = { -1, -1, -1 };
	int stderr_pipe[3] = { -1, -1, -1 };

	try {
	int fd_out_write;
	int fd_err_write;
	int pid;

	if (pipe(stdin_pipe) < 0) {
	throw std::string("failed: pipe");
	}

	if (pipe(stdout_pipe) < 0) {
	throw std::string("failed: pipe");
	}

	if (pipe(stderr_pipe) < 0) {
	throw std::string("failed: pipe");
	}

	pid = fork();
	if (pid < 0) {
	throw std::string("failed: fork");
	}

	if (pid == 0) { // child
	putenv(const_cast<char *>("LANG=C"));
	close(stdin_pipe[W]);
	close(stdout_pipe[R]);
	close(stderr_pipe[R]);
	dup2(stdin_pipe[R], R);
	dup2(stdout_pipe[W], W);
	dup2(stderr_pipe[W], E);
	close(stdin_pipe[R]);
	close(stdout_pipe[W]);
	close(stderr_pipe[E]);
	if (execvp(args[0], &args[0]) < 0) {
	close(stdin_pipe[R]);
	close(stdout_pipe[W]);
	close(stderr_pipe[E]);
	fprintf(stderr, "failed: exec\n");
	exit(1);
	}
	}

	close(stdin_pipe[R]);
	close(stdout_pipe[W]);
	close(stderr_pipe[W]);
	fd_in_read = stdin_pipe[W];
	fd_out_write = stdout_pipe[R];
	fd_err_write = stderr_pipe[R];

	//

	if (!use_input) {
	closeInput();
	}

	// WriteThread t0(fd_in_read, mutex, &input, &close_input_later);
	OutputReaderThread t1(fd_out_write, mutex, &outq);
	OutputReaderThread t2(fd_err_write, mutex, &errq);
	// if (use_input) t0.start();
	t1.start();
	t2.start();

	while (1) {
	QThread::currentThread()->msleep(1);
	int status = 0;
	if (waitpid(pid, &status, WNOHANG) == pid) {
	if (WIFEXITED(status)) {
	exit_code = WEXITSTATUS(status);
	break;
	}
	if (WIFSIGNALED(status)) {
	exit_code = -1;
	break;
	}
	}
	{
	QMutexLocker lock(mutex);
	int n = inq.size();
	if (n > 0) {
	while (n > 0) {
	char tmp[1024];
	int l = n;
	if (l > (int)sizeof(tmp)) {
	l = sizeof(tmp);
	}
	std::copy(inq.begin(), inq.begin() + l, tmp);
	inq.erase(inq.begin(), inq.begin() + l);
	if (fd_in_read != -1) {
	int r = write(fd_in_read, tmp, l);
	(void)r;
	}
	n -= l;
	}
	} else if (close_input_later) {
	closeInput();
	}
	}
	}

	// if (use_input) {
	// t0.requestInterruption();
	// t0.wait();
	// }
	t1.wait();
	t2.wait();

	close(fd_out_write);

	} catch (std::string const &e) {
	close(stdin_pipe[R]);
	close(stdin_pipe[W]);
	close(stdout_pipe[R]);
	close(stdout_pipe[W]);
	close(stderr_pipe[R]);
	close(stderr_pipe[W]);
	fprintf(stderr, "%s\n", e.c_str());
	exit(1);
	}
	}
	public:
	- void writeInput(const char *ptr, int len)
	+ void writeInput(char const *ptr, int len)
	{
	QMutexLocker lock(mutex);
	inq.insert(inq.end(), ptr, ptr + len);
	}

	void closeInput()
	{
	if (fd_in_read >= 0) {
	close(fd_in_read);
	fd_in_read = -1;
	}
	}
	};

	struct UnixProcess::Private {
	QMutex mutex;
	UnixProcessThread th;
	};

	UnixProcess::UnixProcess()
	: m(new Private)
	{

	}

	UnixProcess::~UnixProcess()
	{
	delete m;
	}

	void UnixProcess::parseArgs(std::string const &cmd, std::vector<std::string> *out)
	{
	out->clear();
	char const *begin = cmd.c_str();
	char const *end = begin + cmd.size();
	std::vector<char> tmp;
	char const *ptr = begin;
	int quote = 0;
	while (1) {
	int c = 0;
	if (ptr < end) {
	c = *ptr & 0xff;
	}
	if (c == '\"' && ptr + 2 < end && ptr[1] == '\"' && ptr[2] == '\"') {
	tmp.push_back(c);
	ptr += 3;
	} else {
	if (quote != 0 && c != 0) {
	if (c == quote) {
	quote = 0;
	} else {
	tmp.push_back(c);
	}
	} else if (c == '\"') {
	quote = c;
	} else if (isspace(c) \|\| c == 0) {
	if (!tmp.empty()) {
	std::string s(&tmp[0], tmp.size());
	out->push_back(s);
	}
	if (c == 0) break;
	tmp.clear();
	} else {
	tmp.push_back(c);
	}
	ptr++;
	}
	}
	}

	-void UnixProcess::start(const QString &command, bool use_input)
	+void UnixProcess::start(QString const &command, bool use_input)
	{
	std::string cmd = command.toStdString();
	parseArgs(cmd, &m->th.argvec);
	if (!m->th.argvec.empty()) {
	for (std::string const &s : m->th.argvec) {
	m->th.args.push_back(const_cast<char *>(s.c_str()));
	}
	m->th.args.push_back(nullptr);

	m->th.init(&m->mutex, use_input);
	m->th.start();
	}
	}

	int UnixProcess::wait()
	{
	m->th.wait();

	outbytes.clear();
	errbytes.clear();
	if (!m->th.outq.empty()) outbytes.insert(outbytes.end(), m->th.outq.begin(), m->th.outq.end());
	if (!m->th.errq.empty()) errbytes.insert(errbytes.end(), m->th.errq.begin(), m->th.errq.end());
	int exit_code = m->th.exit_code;
	m->th.reset();
	return exit_code;
	}

	-void UnixProcess::writeInput(const char *ptr, int len)
	+void UnixProcess::writeInput(char const *ptr, int len)
	{
	m->th.writeInput(ptr, len);
	}

	void UnixProcess::closeInput(bool justnow)
	{
	if (justnow) {
	m->th.closeInput();
	} else {
	m->th.close_input_later = true;
	}
	}

	QString UnixProcess::outstring()
	{
	if (outbytes.empty()) return QString();
	std::vector<char> v;
	v.insert(v.end(), outbytes.begin(), outbytes.end());
	return QString::fromUtf8(&v[0], v.size());
	}

	QString UnixProcess::errstring()
	{
	if (errbytes.empty()) return QString();
	std::vector<char> v;
	v.insert(v.end(), errbytes.begin(), errbytes.end());
	return QString::fromUtf8(&v[0], v.size());
	}




	diff --git a/src/unix/UnixProcess.h b/src/unix/UnixProcess.h
	index ac6942f..9de5814 100644
	--- a/src/unix/UnixProcess.h
	+++ b/src/unix/UnixProcess.h
	@@ -1,33 +1,33 @@
	#ifndef UNIXPROCESS_H
	#define UNIXPROCESS_H

	#include <vector>
	#include <string>
	#include <QString>
	#include <vector>
	#include <deque>
	#include <list>

	class UnixProcess {
	private:
	struct Private;
	Private *m;
	public:
	std::vector<char> outbytes;
	std::vector<char> errbytes;

	UnixProcess();
	~UnixProcess();

	QString outstring();
	QString errstring();

	static void parseArgs(const std::string &cmd, std::vector<std::string> *out);

	void start(QString const &command, bool use_input);
	int wait();
	- void writeInput(const char *ptr, int len);
	+ void writeInput(char const *ptr, int len);
	void closeInput(bool justnow);
	};

	#endif // UNIXPROCESS_H
	diff --git a/src/unix/UnixPtyProcess.cpp b/src/unix/UnixPtyProcess.cpp
	index 8a21c12..fe77fce 100644
	--- a/src/unix/UnixPtyProcess.cpp
	+++ b/src/unix/UnixPtyProcess.cpp
	@@ -1,239 +1,239 @@
	#include "UnixPtyProcess.h"
	#include <unistd.h>
	#include <stdlib.h>
	#include <signal.h>
	#include <fcntl.h>
	#include <termios.h>
	#include <sys/ioctl.h>
	#include <sys/wait.h>
	#include <deque>
	#include <QMutex>
	#include <QDir>

	namespace {

	void make_argv(char command, std::vector<char > *out)
	{
	char *dst = command;
	char *src = command;
	char *arg = command;
	bool quote = false;
	bool accept = false;
	while (1) {
	char c = *src;
	if (c == '\"') {
	if (src[1] == '\"' && src[2] == '\"') {
	*dst++ = c;
	src += 3;
	} else {
	quote = !quote;
	accept = true;
	src++;
	}
	} else if (quote && c != 0) {
	dst++ = src++;
	} else if (c == 0 \|\| isspace(c & 0xff)) {
	*dst++ = 0;
	if (accept \|\| *arg) {
	out->push_back(arg);
	}
	if (c == 0) break;
	accept = false;
	arg = dst;
	src++;
	} else {
	dst++ = src++;
	}
	}
	}

	class OutputReaderThread : public QThread {
	private:
	QMutex *mutex;
	int pty_master;
	std::deque<char> *output_queue;
	std::vector<char> *output_vector;
	protected:
	void run()
	{
	while (1) {
	if (isInterruptionRequested()) break;
	char buf[1024];
	int len = read(pty_master, buf, sizeof(buf));
	if (len < 1) break;
	{
	QMutexLocker lock(mutex);
	output_queue->insert(output_queue->end(), buf, buf + len);
	output_vector->insert(output_vector->end(), buf, buf + len);
	}
	}
	}
	public:
	void start(QMutex mutex, int pty_master, std::deque<char> outq, std::vector<char> *outv)
	{
	this->mutex = mutex;
	this->pty_master = pty_master;
	this->output_queue = outq;
	this->output_vector = outv;
	QThread::start();
	}
	};

	} // namespace

	// UnixPtyProcess

	struct UnixPtyProcess::Private {
	QMutex mutex;
	std::string command;
	int pty_master;
	std::deque<char> output_queue;
	std::vector<char> output_vector;
	OutputReaderThread th_output_reader;
	int exit_code = -1;
	};

	UnixPtyProcess::UnixPtyProcess()
	: m(new Private)
	{
	}

	UnixPtyProcess::~UnixPtyProcess()
	{
	stop();
	delete m;
	}

	bool UnixPtyProcess::isRunning() const
	{
	return QThread::isRunning();
	}

	-void UnixPtyProcess::writeInput(const char *ptr, int len)
	+void UnixPtyProcess::writeInput(char const *ptr, int len)
	{
	int r = write(m->pty_master, ptr, len);
	(void)r;
	}

	int UnixPtyProcess::readOutput(char *ptr, int len)
	{
	QMutexLocker lock(&m->mutex);
	int n = m->output_queue.size();
	if (n > len) {
	n = len;
	}
	if (n > 0) {
	auto it = m->output_queue.begin();
	std::copy(it, it + n, ptr);
	m->output_queue.erase(it, it + n);
	}
	return n;
	}

	-void UnixPtyProcess::start(const QString &cmd)
	+void UnixPtyProcess::start(QString const &cmd)
	{
	if (isRunning()) return;
	m->command = cmd.toStdString();
	QThread::start();
	}

	bool UnixPtyProcess::wait(unsigned long time)
	{
	return QThread::wait(time);
	}

	void UnixPtyProcess::run()
	{
	struct termios orig_termios;
	struct winsize orig_winsize;

	tcgetattr(STDIN_FILENO, &orig_termios);
	ioctl(STDIN_FILENO, TIOCGWINSZ, (char *)&orig_winsize);

	m->pty_master = posix_openpt(O_RDWR);
	grantpt(m->pty_master);
	unlockpt(m->pty_master);


	pid_t pid = fork();
	if (pid == 0) {
	setsid();
	putenv(const_cast<char *>("LANG=C"));

	char *pts_name = ptsname(m->pty_master);
	int pty_slave = open(pts_name, O_RDWR);
	close(m->pty_master);

	struct termios tio;
	memset(&tio, 0, sizeof(tio));
	cfmakeraw(&tio);
	tio.c_cc[VMIN] = 1;
	tio.c_cc[VTIME] = 0;
	tio.c_lflag \|= ECHO;
	tcsetattr(pty_slave, TCSANOW, &tio);
	ioctl(pty_slave, TIOCSWINSZ, &orig_winsize);

	dup2(pty_slave, STDIN_FILENO);
	dup2(pty_slave, STDOUT_FILENO);
	dup2(pty_slave, STDERR_FILENO);
	close(pty_slave);

	QDir::setCurrent(change_dir);

	char command = (char )alloca(m->command.size() + 1);
	strcpy(command, m->command.c_str());
	std::vector<char *> argv;
	make_argv(command, &argv);
	argv.push_back(nullptr);
	execvp(argv[0], &argv[0]);

	} else {

	m->th_output_reader.start(&m->mutex, m->pty_master, &m->output_queue, &m->output_vector);

	while (1) {
	if (isInterruptionRequested()) break;
	int status = 0;
	int r = waitpid(pid, &status, WNOHANG);
	if (r < 0) break;
	QThread::currentThread()->msleep(1);
	if (r > 0) {
	if (WIFEXITED(status)) {
	m->exit_code = WEXITSTATUS(status);
	break;
	}
	if (WIFSIGNALED(status)) {
	break;
	}
	}
	}

	kill(pid, SIGTERM);
	m->th_output_reader.requestInterruption();
	m->th_output_reader.wait();
	close(m->pty_master);
	m->pty_master = -1;

	emit completed();
	}
	}

	void UnixPtyProcess::stop()
	{
	requestInterruption();
	wait();
	}

	int UnixPtyProcess::getExitCode() const
	{
	return m->exit_code;
	}

	QString UnixPtyProcess::getMessage() const
	{
	QString s;
	if (!m->output_vector.empty()) {
	s = QString::fromUtf8(&m->output_vector[0], m->output_vector.size());
	}
	return s;
	}
	diff --git a/src/urlencode.h b/src/urlencode.h
	index 02e86fb..c6e3f69 100644
	--- a/src/urlencode.h
	+++ b/src/urlencode.h
	@@ -1,19 +1,19 @@

	#ifndef URLENCODE_H_
	#define URLENCODE_H_

	#include <string>

	std::string url_encode(char const str, char const end);
	std::string url_decode(char const str, char const end);

	std::string url_encode(char const *str, size_t len);
	std::string url_decode(char const *str, size_t len);

	std::string url_encode(char const *str);
	-std::string url_decode(const char *str);
	+std::string url_decode(char const *str);

	std::string url_encode(std::string const &str);
	std::string url_decode(std::string const &str);

	#endif
	diff --git a/src/webclient.cpp b/src/webclient.cpp
	index 323203d..5655dbd 100644
	--- a/src/webclient.cpp
	+++ b/src/webclient.cpp
	@@ -1,1083 +1,1083 @@

	#include "webclient.h"
	#include <string.h>

	#ifdef _WIN32
	#include <winsock2.h>
	#include <windows.h>
	#pragma comment(lib, "ws2_32.lib")
	#if USE_OPENSSL
	#pragma comment(lib, "libeay32.lib")
	#pragma comment(lib, "ssleay32.lib")
	#endif
	typedef SOCKET socket_t;
	#pragma warning(disable:4996)
	#else
	#include <unistd.h>
	#include <sys/types.h>
	#include <sys/socket.h>
	#include <sys/ioctl.h>
	#include <netinet/in.h>
	#include <net/if.h>
	#include <netdb.h>
	#define closesocket(S) ::close(S)
	typedef int socket_t;
	#define INVALID_SOCKET (-1)
	#define SOCKET_ERROR (-1)
	#define stricmp(A, B) strcasecmp(A, B)
	#define strnicmp(A, B, C) strncasecmp(A, B, C)
	#endif

	#if USE_OPENSSL
	#include <openssl/crypto.h>
	#include <openssl/ssl.h>
	#include <openssl/err.h>
	#include <openssl/evp.h>
	#include <openssl/rand.h>
	#include <openssl/x509.h>
	#else
	typedef void SSL;
	typedef void SSL_CTX;
	#endif

	#include <assert.h>
	#include "charvec.h"

	#define USER_AGENT "Generic Web Client"

	struct WebContext::Private {
	SSL_CTX *ctx;
	bool use_keep_alive = false;
	WebProxy http_proxy;
	WebProxy https_proxy;
	};

	WebClient::URL::URL(std::string const &addr)
	{
	data.full_request = addr;

	char const *str = addr.c_str();
	char const *left;
	char const *right;
	left = str;
	right = strstr(left, "://");
	if (right) {
	data.scheme.assign(str, right - str);
	left = right + 3;
	}
	right = strchr(left, '/');
	if (!right) {
	right = left + strlen(left);
	}
	if (right) {
	char const *p = strchr(left, ':');
	if (p && left < p && p < right) {
	int n = 0;
	char const *q = p + 1;
	while (q < right) {
	if (isdigit(*q & 0xff)) {
	n = n * 10 + (*q - '0');
	} else {
	n = -1;
	break;
	}
	q++;
	}
	data.host.assign(left, p - left);
	if (n > 0 && n < 65536) {
	data.port = n;
	}
	} else {
	data.host.assign(left, right - left);
	}
	data.path = right;
	}
	}

	bool WebClient::URL::isssl() const
	{
	if (scheme() == "https") return true;
	if (scheme() == "http") return false;
	if (port() == 443) return true;
	return false;
	}

	void WebClientHandler::abort(const std::string &message)
	{
	throw WebClient::Error(message);
	}

	struct WebClient::Private {
	std::vector<std::string> request_header;
	Error error;
	Response response;
	WebContext *webcx;
	int crlf_state = 0;
	size_t content_offset = 0;
	std::string last_host_name;
	int last_port = 0;
	bool keep_alive = false;
	socket_t sock = INVALID_SOCKET;
	SSL *ssl = nullptr;
	};

	WebClient::WebClient(WebContext *webcx)
	: m(new Private)
	{
	assert(webcx);
	m->webcx = webcx;
	}

	WebClient::~WebClient()
	{
	close();
	delete m;
	}

	void WebClient::initialize()
	{
	#ifdef _WIN32
	WSADATA wsaData;
	WORD wVersionRequested;
	wVersionRequested = MAKEWORD(1, 1);
	WSAStartup(wVersionRequested, &wsaData);
	atexit(cleanup);
	#endif
	#if USE_OPENSSL
	OpenSSL_add_all_algorithms();
	#endif
	}

	void WebClient::cleanup()
	{
	#if USE_OPENSSL
	ERR_free_strings();
	#endif
	#ifdef _WIN32
	WSACleanup();
	#endif
	}

	void WebClient::reset()
	{
	m->request_header.clear();
	m->error = Error();
	m->response = Response();
	m->crlf_state = 0;
	m->content_offset = 0;
	}

	void WebClient::output_debug_string(char const *str)
	{
	if (0) {
	#ifdef _WIN32
	OutputDebugStringA(str);
	#else
	fwrite(str, 1, strlen(str), stderr);
	#endif
	}
	}

	void WebClient::output_debug_strings(std::vector<std::string> const &vec)
	{
	for (std::string const &s : vec) {
	output_debug_string((s + '\n').c_str());
	}
	}

	WebClient::Error const &WebClient::error() const
	{
	return m->error;
	}

	void WebClient::clear_error()
	{
	m->error = Error();
	}

	int WebClient::get_port(URL const url, char const scheme, char const *protocol)
	{
	int port = url->port();
	if (port < 1 \|\| port > 65535) {
	struct servent *s;
	s = getservbyname(url->scheme().c_str(), protocol);
	if (s) {
	port = ntohs(s->s_port);
	} else {
	s = getservbyname(scheme, protocol);
	if (s) {
	port = ntohs(s->s_port);
	}
	}
	if (port < 1 \|\| port > 65535) {
	port = 80;
	}
	}
	return port;
	}

	static inline std::string to_s(size_t n)
	{
	char tmp[100];
	sprintf(tmp, "%u", (int)n);
	return tmp;
	}

	void WebClient::set_default_header(URL const &url, Post const *post, RequestOption const &opt)
	{
	std::vector<std::string> header;
	auto AddHeader = [&](std::string const &s){
	header.push_back(s);
	};
	AddHeader("Host: " + url.host());
	AddHeader("User-Agent: " USER_AGENT);
	AddHeader("Accept: /");
	if (opt.keep_alive) {
	AddHeader("Connection: keep-alive");
	} else {
	AddHeader("Connection: close");
	}
	if (post) {
	AddHeader("Content-Length: " + to_s(post->data.size()));
	std::string ct = "Content-Type: ";
	if (post->content_type.empty()) {
	ct += "application/octet-stream";
	} else if (post->content_type == CT_MULTIPART_FORM_DATA) {
	ct += post->content_type;
	if (!post->boundary.empty()) {
	ct += "; boundary=";
	ct += post->boundary;
	}
	} else {
	ct += post->content_type;
	}
	AddHeader(ct);
	}
	header.insert(header.end(), m->request_header.begin(), m->request_header.end());
	m->request_header = std::move(header);
	}

	std::string WebClient::make_http_request(URL const &url, Post const post, WebProxy const proxy, bool https)
	{
	std::string str;

	str = post ? "POST " : "GET ";

	if (proxy && !https) {
	str += url.data.full_request;
	str += " HTTP/1.0";
	str += "\r\n";
	} else {
	str += url.path();
	str += " HTTP/1.0";
	str += "\r\n";
	}

	for (std::string const &s: m->request_header) {
	str += s;
	str += "\r\n";
	}

	str += "\r\n";
	return str;
	}

	void WebClient::parse_http_header(char const begin, char const end, std::vector<std::string> *header)
	{
	if (begin < end) {
	char const *left = begin;
	char const *right = left;
	while (1) {
	if (right >= end) {
	break;
	}
	if (right == '\r' \|\| right == '\n') {
	if (left < right) {
	header->push_back(std::string(left, right));
	}
	if (right + 1 < end && *right == '\r' && right[1] == '\n') {
	right++;
	}
	right++;
	if (right == '\r' \|\| right == '\n') {
	if (right + 1 < end && *right == '\r' && right[1] == '\n') {
	right++;
	}
	right++;
	left = right;
	break;
	}
	left = right;
	} else {
	right++;
	}
	}
	}
	}

	-void WebClient::parse_http_header(const char begin, const char end, WebClient::Response *out)
	+void WebClient::parse_http_header(char const begin, char const end, WebClient::Response *out)
	{
	*out = Response();
	parse_http_header(begin, end, &out->header);
	parse_header(&out->header, out);
	}

	static void send_(socket_t s, char const *ptr, int len)
	{
	while (len > 0) {
	int n = send(s, ptr, len, 0);
	if (n < 1 \|\| n > len) {
	throw WebClient::Error("send request failed.");
	}
	ptr += n;
	len -= n;
	}
	}

	void WebClient::on_end_header(std::vector<char> const vec, WebClientHandler handler)
	{
	if (vec->empty()) return;
	char const *begin = &vec->at(0);
	char const *end = begin + vec->size();
	parse_http_header(begin, end, &m->response);
	if (handler) {
	handler->checkHeader(this);
	}
	}

	void WebClient::append(char const ptr, size_t len, std::vector<char> out, WebClientHandler *handler)
	{
	size_t offset = out->size();
	out->insert(out->end(), ptr, ptr + len);

	if (m->crlf_state < 0) {
	// nop
	} else {
	for (size_t i = 0; i < len; i++) {
	int c = ptr[i] & 0xff;
	if (c == '\r') {
	m->crlf_state \|= 1;
	} else if (c == '\n') {
	m->crlf_state \|= 1;
	m->crlf_state++;
	} else {
	m->crlf_state = 0;
	}
	if (m->crlf_state == 4) {
	m->content_offset = offset + i + 1;
	on_end_header(out, handler);
	m->crlf_state = -1;
	break;
	}
	}
	}
	if (handler && m->content_offset > 0) {
	offset = out->size();
	if (offset > m->content_offset) {
	size_t len = offset - m->content_offset;
	char const *ptr = &out->at(m->content_offset);
	handler->checkContent(ptr, len);
	}
	}
	}

	static char stristr(char str1, char const *str2)
	{
	size_t len1 = strlen(str1);
	size_t len2 = strlen(str2);
	for (size_t i = 0; i + len2 <= len1; i++) {
	if (strnicmp(str1 + i, str2, len2) == 0) {
	return str1 + i;
	}
	}
	return nullptr;
	}

	class ResponseHeader {
	public:
	size_t pos = 0;
	std::vector<char> line;
	int content_length = -1;
	bool connection_keep_alive = false;
	bool connection_close = false;
	int lf = 0;
	enum State {
	Header,
	Content,
	};
	State state = Header;
	void put(int c)
	{
	pos++;
	if (state == Header) {
	if (c== '\r' \|\| c == '\n') {
	if (!line.empty()) {
	line.push_back(0);
	char *begin = &line[0];
	char *p = strchr(begin, ':');
	if (p && *p == ':') {
	*p++ = 0;
	auto IS = [&](char const *name){ return stricmp(begin, name) == 0; };
	if (IS("content-length")) {
	content_length = strtol(p, nullptr, 10);
	} else if (IS("connection")) {
	if (stristr(p, "keep-alive")) {
	connection_keep_alive = true;
	} else if (stristr(p, "close")) {
	connection_close = true;
	}
	}
	}
	line.clear();
	}
	if (c== '\r') {
	return;
	}
	if (c == '\n') {
	lf++;
	if (lf == 2) {
	state = Content;
	}
	return;
	}
	}
	lf = 0;
	line.push_back(c);
	}
	}
	};

	void WebClient::receive_(RequestOption const &opt, std::function<int(char , int)> rcv, std::vector<char> out)
	{
	char buf[4096];
	size_t pos = 0;
	ResponseHeader rh;
	while (1) {
	int n;
	if (rh.state == ResponseHeader::Content && rh.content_length >= 0) {
	n = rh.pos + rh.content_length - pos;
	if (n > (int)sizeof(buf)) {
	n = sizeof(buf);
	}
	if (n < 1) break;
	} else {
	n = sizeof(buf);
	}
	n = rcv(buf, n);
	if (n < 1) break;
	if (0) { // debug
	fwrite(buf, 1, n, stderr);
	}
	append(buf, n, out, opt.handler);
	pos += n;
	if (rh.state == ResponseHeader::Header) {
	for (int i = 0; i < n; i++) {
	rh.put(buf[i]);
	if (rh.state == ResponseHeader::Content) {
	m->keep_alive = rh.connection_keep_alive && !rh.connection_close;
	break;
	}
	}
	}
	}
	}

	bool WebClient::http_get(URL const &request_url, Post const post, RequestOption const &opt, std::vector<char> out)
	{
	clear_error();
	out->clear();

	URL server_url;

	WebProxy const *proxy = m->webcx->http_proxy();
	if (proxy) {
	server_url = URL(proxy->server);
	} else {
	server_url = request_url;
	}

	std::string hostname = server_url.host();
	int port = get_port(&server_url, "http", "tcp");

	m->keep_alive = opt.keep_alive && hostname == m->last_host_name && port == m->last_port;
	if (!m->keep_alive) close();

	if (m->sock == INVALID_SOCKET) {
	struct hostent *servhost;
	struct sockaddr_in server;

	servhost = gethostbyname(hostname.c_str());
	if (!servhost) {
	throw Error("gethostbyname failed.");
	}

	memset((char *)&server, 0, sizeof(server));
	server.sin_family = AF_INET;

	memcpy((char *)&server.sin_addr, servhost->h_addr, servhost->h_length);

	server.sin_port = htons(port);

	m->sock = socket(AF_INET, SOCK_STREAM, 0);
	if (m->sock == INVALID_SOCKET) {
	throw Error("socket failed.");
	}

	if (connect(m->sock, (struct sockaddr*) &server, sizeof(server)) == SOCKET_ERROR) {
	throw Error("connect failed.");
	}
	}
	m->last_host_name = hostname;
	m->last_port = port;

	set_default_header(request_url, post, opt);

	std::string request = make_http_request(request_url, post, proxy, false);

	send_(m->sock, request.c_str(), (int)request.size());
	if (post && !post->data.empty()) {
	send_(m->sock, (char const *)&post->data[0], (int)post->data.size());
	}

	m->crlf_state = 0;
	m->content_offset = 0;

	receive_(opt, [&](char *ptr, int len){
	return recv(m->sock, ptr, len, 0);
	}, out);

	if (!m->keep_alive) close();

	return true;
	}

	bool WebClient::https_get(const URL &request_url, Post const post, RequestOption const &opt, std::vector<char> out)
	{
	#if USE_OPENSSL

	if (!m->webcx \|\| !m->webcx->m->ctx) {
	output_debug_string("SSL context is null.\n");
	return false;
	}

	auto sslctx = [&](){ return m->webcx->m->ctx; };

	clear_error();
	out->clear();

	auto get_ssl_error = []()->std::string{
	char tmp[1000];
	unsigned long e = ERR_get_error();
	ERR_error_string_n(e, tmp, sizeof(tmp));
	return tmp;
	};

	URL server_url;

	WebProxy const *proxy = m->webcx->https_proxy();
	if (proxy) {
	server_url = URL(proxy->server);
	} else {
	server_url = request_url;
	}

	std::string hostname = server_url.host();
	int port = get_port(&server_url, "https", "tcp");

	m->keep_alive = opt.keep_alive && hostname == m->last_host_name && port == m->last_port;
	if (!m->keep_alive) close();

	socket_t sock = m->sock;
	SSL *ssl = m->ssl;
	if (sock == INVALID_SOCKET \|\| !ssl) {
	int ret;
	struct hostent *servhost;
	struct sockaddr_in server;

	servhost = gethostbyname(server_url.host().c_str());
	if (!servhost) {
	throw Error("gethostbyname failed.");
	}

	memset((char *)&server, 0, sizeof(server));
	server.sin_family = AF_INET;

	memcpy((char *)&server.sin_addr, servhost->h_addr, servhost->h_length);

	server.sin_port = htons(port);

	if (sock == INVALID_SOCKET) {
	sock = socket(AF_INET, SOCK_STREAM, 0);
	if (sock == INVALID_SOCKET) {
	throw Error("socket failed.");
	}
	if (connect(sock, (struct sockaddr*) &server, sizeof(server)) == SOCKET_ERROR) {
	throw Error("connect failed.");
	}
	}

	if (proxy) { // testing
	char port[10];
	sprintf(port, ":%u", get_port(&request_url, "https", "tcp"));

	std::string str = "CONNECT ";
	str += request_url.data.host;
	str += port;
	str += " HTTP/1.0\r\n\r\n";
	send_(sock, str.c_str(), str.size());
	char tmp[1000];
	int n = recv(sock, tmp, sizeof(tmp), 0);
	int i;
	for (i = 0; i < n; i++) {
	char c = tmp[i];
	if (c < 0x20) break;
	}
	if (i > 0) {
	std::string s(tmp, i);
	s = "proxy: " + s + '\n';
	#ifdef _WIN32
	OutputDebugStringA(s.c_str());
	#else
	fprintf(stderr, "%s", tmp);
	#endif
	}
	}

	ssl = SSL_new(sslctx());
	if (!ssl) {
	throw Error(get_ssl_error());
	}

	SSL_set_options(ssl, SSL_OP_NO_SSLv2);
	SSL_set_options(ssl, SSL_OP_NO_SSLv3);

	ret = SSL_set_fd(ssl, sock);
	if (ret == 0) {
	throw Error(get_ssl_error());
	}

	RAND_poll();
	while (RAND_status() == 0) {
	unsigned short rand_ret = rand() % 65536;
	RAND_seed(&rand_ret, sizeof(rand_ret));
	}

	ret = SSL_connect(ssl);
	if (ret != 1) {
	throw Error(get_ssl_error());
	}

	std::string cipher = SSL_get_cipher(ssl);
	cipher += '\n';
	output_debug_string(cipher.c_str());

	std::string version = SSL_get_cipher_version(ssl);
	version += '\n';
	output_debug_string(version.c_str());

	X509 *x509 = SSL_get_peer_certificate(ssl);
	if (x509) {
	#ifndef OPENSSL_NO_SHA1
	std::string fingerprint;
	for (int i = 0; i < SHA_DIGEST_LENGTH; i++) {
	if (i > 0) {
	fingerprint += ':';
	}
	char tmp[10];
	sprintf(tmp, "%02X", x509->sha1_hash[i]);
	fingerprint += tmp;
	}
	fingerprint += '\n';
	output_debug_string(fingerprint.c_str());
	#endif
	long l = SSL_get_verify_result(ssl);
	if (l == X509_V_OK) {
	// ok
	} else {
	// wrong
	std::string err = X509_verify_cert_error_string(l);
	err += '\n';
	output_debug_string(err.c_str());
	}

	std::vector<std::string> vec;

	auto GETSTRINGS = [](X509_NAME x509name, std::vector<std::string> out){
	out->clear();
	if (x509name) {
	int n = X509_NAME_entry_count(x509name);
	for (int i = 0; i < n; i++) {
	X509_NAME_ENTRY *entry = X509_NAME_get_entry(x509name, i);
	ASN1_STRING *asn1str = X509_NAME_ENTRY_get_data(entry);
	int asn1len = ASN1_STRING_length(asn1str);
	unsigned char *p = ASN1_STRING_data(asn1str);
	std::string str((char const *)p, asn1len);
	out->push_back(str);
	}
	}
	};

	X509_NAME *subject = X509_get_subject_name(x509);
	GETSTRINGS(subject, &vec);
	output_debug_string("--- subject ---\n");
	output_debug_strings(vec);

	X509_NAME *issuer = X509_get_issuer_name(x509);
	GETSTRINGS(issuer, &vec);
	output_debug_string("--- issuer ---\n");
	output_debug_strings(vec);

	ASN1_TIME *not_before = X509_get_notBefore(x509);
	ASN1_TIME *not_after = X509_get_notAfter(x509);
	(void)not_before;
	(void)not_after;

	X509_free(x509);
	} else {
	// wrong
	}
	}
	m->last_host_name = hostname;
	m->last_port = port;

	set_default_header(request_url, post, opt);

	std::string request = make_http_request(request_url, post, proxy, true);

	auto SEND = [&](char const *ptr, int len){
	while (len > 0) {
	int n = SSL_write(ssl, ptr, len);
	if (n < 1 \|\| n > len) {
	throw WebClient::Error(get_ssl_error());
	}
	ptr += n;
	len -= n;
	}
	};

	SEND(request.c_str(), (int)request.size());
	if (post && !post->data.empty()) {
	SEND((char const *)&post->data[0], (int)post->data.size());
	}

	m->crlf_state = 0;
	m->content_offset = 0;

	receive_(opt, [&](char *ptr, int len){
	return SSL_read(ssl, ptr, len);
	}, out);

	m->sock = sock;
	m->ssl = ssl;
	if (!m->keep_alive) close();
	return true;
	#endif
	return false;
	}

	void WebClient::get(URL const &url, Post const post, Response out, WebClientHandler *handler)
	{
	reset();
	try {
	if (!m->webcx->m) {
	throw Error("WebContext is null.");
	}
	RequestOption opt;
	opt.keep_alive = m->webcx->m->use_keep_alive;
	opt.handler = handler;
	std::vector<char> res;
	if (url.isssl()) {
	#if USE_OPENSSL
	https_get(url, post, opt, &res);
	#endif
	} else {
	http_get(url, post, opt, &res);
	}
	if (!res.empty()) {
	char const *begin = &res[0];
	char const *end = begin + res.size();
	char const *ptr = begin + m->content_offset;
	if (ptr < end) {
	out->content.assign(ptr, end);
	}
	}
	return;
	} catch (Error const &e) {
	m->error = e;
	close();
	}
	*out = Response();
	}

	void WebClient::parse_header(std::vector<std::string> const header, WebClient::Response res)
	{
	if (!header->empty()) {
	std::string const &line = header->at(0);
	char const *begin = line.c_str();
	char const *end = begin + line.size();
	if (line.size() > 5 && strncmp(line.c_str(), "HTTP/", 5) == 0) {
	int state = 0;
	res->version.hi = res->version.lo = res->code = 0;
	char const *ptr = begin + 5;
	while (1) {
	int c = 0;
	if (ptr < end) {
	c = *ptr & 0xff;
	}
	switch (state) {
	case 0:
	if (isdigit(c)) {
	res->version.hi = res->version.hi * 10 + (c - '0');
	} else if (c == '.') {
	state = 1;
	} else {
	state = -1;
	}
	break;
	case 1:
	if (isdigit(c)) {
	res->version.lo = res->version.lo * 10 + (c - '0');
	} else if (isspace(c)) {
	state = 2;
	} else {
	state = -1;
	}
	break;
	case 2:
	if (isspace(c)) {
	if (res->code != 0) {
	state = -1;
	}
	} else if (isdigit(c)) {
	res->code = res->code * 10 + (c - '0');
	} else {
	state = -1;
	}
	break;
	default:
	state = -1;
	break;
	}
	if (c == 0 \|\| state < 0) {
	break;
	}
	ptr++;
	}
	}
	}
	}

	std::string WebClient::header_value(std::vector<std::string> const *header, std::string const &name)
	{
	for (size_t i = 1; i < header->size(); i++) {
	std::string const &line = header->at(i);
	char const *begin = line.c_str();
	char const *end = begin + line.size();
	char const *colon = strchr(begin, ':');
	if (colon) {
	if (strnicmp(begin, name.c_str(), name.size()) == 0) {
	char const *ptr = colon + 1;
	while (ptr < end && isspace(*ptr & 0xff)) ptr++;
	return std::string(ptr, end);
	}
	}
	}
	return std::string();
	}

	std::string WebClient::header_value(std::string const &name) const
	{
	return header_value(&m->response.header, name);
	}

	std::string WebClient::content_type() const
	{
	std::string s = header_value("Content-Type");
	char const *begin = s.c_str();
	char const *end = begin + s.size();
	char const *ptr = begin;
	while (ptr < end) {
	int c = *ptr & 0xff;
	if (c == ';' \|\| c < 0x21) break;
	ptr++;
	}
	if (ptr < end) return std::string(begin, ptr);
	return s;
	}

	size_t WebClient::content_length() const
	{
	return m->response.content.size();
	}

	char const *WebClient::content_data() const
	{
	if (m->response.content.empty()) return "";
	return &m->response.content[0];
	}

	int WebClient::get(URL const &url, WebClientHandler *handler)
	{
	get(url, nullptr, &m->response, handler);
	return m->response.code;
	}

	int WebClient::post(URL const &url, Post const post, WebClientHandler handler)
	{
	get(url, post, &m->response, handler);
	return m->response.code;
	}

	void WebClient::close()
	{
	#if USE_OPENSSL
	if (m->ssl) {
	SSL_shutdown(m->ssl);
	SSL_free(m->ssl);
	m->ssl = nullptr;
	}
	#endif
	if (m->sock != INVALID_SOCKET) {
	shutdown(m->sock, 2); // SD_BOTH or SHUT_RDWR
	closesocket(m->sock);
	m->sock = INVALID_SOCKET;
	}
	}

	void WebClient::add_header(std::string const &text)
	{
	m->request_header.push_back(text);
	}

	WebClient::Response const &WebClient::response() const
	{
	return m->response;
	}

	void WebClient::make_application_www_form_urlencoded(char const begin, char const end, WebClient::Post *out)
	{
	*out = WebClient::Post();
	out->content_type = CT_APPLICATION_X_WWW_FORM_URLENCODED;
	print(&out->data, begin, end - begin);
	}

	void WebClient::make_multipart_form_data(std::vector<Part> const &parts, WebClient::Post *out, std::string const &boundary)
	{
	*out = WebClient::Post();
	out->content_type = CT_MULTIPART_FORM_DATA;
	out->boundary = boundary;

	for (Part const &part : parts) {
	print(&out->data, "--");
	print(&out->data, out->boundary);
	print(&out->data, "\r\n");
	if (!part.content_disposition.type.empty()) {
	ContentDisposition const &cd = part.content_disposition;
	std::string s;
	s = "Content-Disposition: ";
	s += cd.type;
	auto Add = [&s](std::string const &name, std::string const &value){
	if (!value.empty()) {
	s += "; " + name + "=\"";
	s += value;
	s += '\"';
	}
	};
	Add("name", cd.name);
	Add("filename", cd.filename);
	print(&out->data, s);
	print(&out->data, "\r\n");
	}
	if (!part.content_type.empty()) {
	print(&out->data, "Content-Type: " + part.content_type + "\r\n");
	}
	if (!part.content_transfer_encoding.empty()) {
	print(&out->data, "Content-Transfer-Encoding: " + part.content_transfer_encoding + "\r\n");
	}
	print(&out->data, "\r\n");
	print(&out->data, part.data, part.size);
	print(&out->data, "\r\n");
	}

	print(&out->data, "--");
	print(&out->data, out->boundary);
	print(&out->data, "--\r\n");
	}

	void WebClient::make_multipart_form_data(char const data, size_t size, WebClient::Post out, std::string const &boundary)
	{
	Part part;
	part.data = data;
	part.size = size;
	std::vector<Part> parts;
	parts.push_back(part);
	make_multipart_form_data(parts, out, boundary);
	}


	//

	WebContext::WebContext()
	: m(new Private)
	{
	#if USE_OPENSSL
	SSL_load_error_strings();
	SSL_library_init();
	m->ctx = SSL_CTX_new(SSLv23_client_method());
	#endif
	}

	WebContext::~WebContext()
	{
	#if USE_OPENSSL
	SSL_CTX_free(m->ctx);
	#endif
	delete m;
	}

	void WebContext::set_keep_alive_enabled(bool f)
	{
	m->use_keep_alive = f;
	}

	void WebContext::set_http_proxy(const std::string &proxy)
	{
	m->http_proxy = WebProxy();
	m->http_proxy.server = proxy;
	}

	void WebContext::set_https_proxy(const std::string &proxy)
	{
	m->https_proxy = WebProxy();
	m->https_proxy.server = proxy;
	}

	const WebProxy *WebContext::http_proxy() const
	{
	if (!m->http_proxy.empty()) {
	return &m->http_proxy;
	}
	return nullptr;
	}

	const WebProxy *WebContext::https_proxy() const
	{
	if (!m->https_proxy.empty()) {
	return &m->https_proxy;
	}
	if (!m->http_proxy.empty()) {
	return &m->http_proxy;
	}
	return nullptr;
	}

	bool WebContext::load_cacert(char const *path)
	{
	#if USE_OPENSSL
	int r = SSL_CTX_load_verify_locations(m->ctx, path, nullptr);
	return r == 1;
	#else
	return false;
	#endif
	}

	diff --git a/src/webclient.h b/src/webclient.h
	index e61e275..48ce76e 100644
	--- a/src/webclient.h
	+++ b/src/webclient.h
	@@ -1,192 +1,192 @@

	#ifndef WEBCLIENT_H_
	#define WEBCLIENT_H_

	#include <vector>
	#include <string>
	#include <functional>

	#define USE_OPENSSL 1
	#define OPENSSL_NO_SHA1 1

	class WebContext;
	class WebClient;

	#define CT_APPLICATION_X_WWW_FORM_URLENCODED "application/x-www-form-urlencoded"
	#define CT_MULTIPART_FORM_DATA "multipart/form-data"

	class WebClientHandler {
	protected:
	void abort(std::string const &message = std::string());
	public:
	virtual ~WebClientHandler()
	{
	}
	virtual void checkHeader(WebClient * /wc/)
	{
	}
	virtual void checkContent(char const * /ptr/, size_t /len/)
	{
	}
	};

	class WebProxy {
	public:
	std::string server;
	bool empty() const
	{
	return server.empty();
	}
	};

	class WebClient {
	public:
	class URL {
	friend class WebClient;
	private:
	struct Data {
	std::string full_request;
	std::string scheme;
	std::string host;
	int port = 0;
	std::string path;
	} data;
	public:
	URL() {}
	URL(const std::string &addr);
	std::string const &scheme() const { return data.scheme; }
	std::string const &host() const { return data.host; }
	int port() const { return data.port; }
	std::string const &path() const { return data.path; }
	bool isssl() const;
	};

	class Error {
	private:
	std::string msg_;
	public:
	Error()
	{
	}
	Error(std::string const &message)
	: msg_(message)
	{
	}
	virtual ~Error()
	{
	}
	std::string message() const
	{
	return msg_;
	}
	};
	struct Response {
	int code = 0;
	struct Version {
	unsigned int hi = 0;
	unsigned int lo = 0;
	} version;
	std::vector<std::string> header;
	std::vector<char> content;
	};
	struct Post {
	std::string content_type;
	std::string boundary;
	std::vector<char> data;
	};
	struct ContentDisposition {
	std::string type;
	std::string name;
	std::string filename;
	};
	struct Part {
	char const *data = nullptr;
	size_t size = 0;
	std::string content_type;
	ContentDisposition content_disposition;
	std::string content_transfer_encoding;
	Part()
	{
	}
	Part(char const *data, size_t size, std::string const &content_type = std::string())
	: data(data)
	, size(size)
	, content_type(content_type)
	{
	}
	void set_content_disposition(ContentDisposition const &cd)
	{
	content_disposition = cd;
	}
	};
	struct RequestOption {
	WebClientHandler *handler = nullptr;
	bool keep_alive = true;
	};
	private:
	struct Private;
	Private *m;
	void clear_error();
	static int get_port(URL const url, char const scheme, char const *protocol);
	void set_default_header(URL const &url, Post const *post, const RequestOption &opt);
	std::string make_http_request(URL const &url, Post const post, const WebProxy proxy, bool https);
	void parse_http_header(char const begin, char const end, std::vector<std::string> *header);
	void parse_http_header(char const begin, char const end, Response *out);
	bool http_get(URL const &request_url, Post const post, RequestOption const &opt, std::vector<char> out);
	bool https_get(URL const &request_url, Post const post, RequestOption const &opt, std::vector<char> out);
	void get(URL const &url, Post const post, Response out, WebClientHandler *handler);
	static void parse_header(std::vector<std::string> const header, WebClient::Response res);
	static std::string header_value(std::vector<std::string> const *header, const std::string &name);
	- void append(const char ptr, size_t len, std::vector<char> out, WebClientHandler *handler);
	+ void append(char const ptr, size_t len, std::vector<char> out, WebClientHandler *handler);
	void on_end_header(const std::vector<char> vec, WebClientHandler handler);
	void receive_(const RequestOption &opt, std::function<int (char , int)>, std::vector<char> out);
	- void output_debug_string(const char *str);
	+ void output_debug_string(char const *str);
	void output_debug_strings(const std::vector<std::string> &vec);
	static void cleanup();
	void reset();
	public:
	static void initialize();
	WebClient(WebContext *webcx);
	~WebClient();
	WebClient(WebClient const &) = delete;
	void operator = (WebClient const &) = delete;

	Error const &error() const;
	int get(URL const &url, WebClientHandler *handler = nullptr);
	int post(URL const &url, Post const post, WebClientHandler handler = nullptr);
	void close();
	void add_header(std::string const &text);
	Response const &response() const;
	std::string header_value(std::string const &name) const;
	std::string content_type() const;
	size_t content_length() const;
	- const char *content_data() const;
	+ char const *content_data() const;

	- static void make_application_www_form_urlencoded(const char begin, const char end, WebClient::Post *out);
	+ static void make_application_www_form_urlencoded(char const begin, char const end, WebClient::Post *out);
	static void make_multipart_form_data(const std::vector<Part> &parts, WebClient::Post *out, const std::string &boundary);
	- static void make_multipart_form_data(const char data, size_t size, WebClient::Post out, const std::string &boundary);
	+ static void make_multipart_form_data(char const data, size_t size, WebClient::Post out, const std::string &boundary);
	};

	class WebContext {
	friend class WebClient;
	public:
	private:
	struct Private;
	Private *m;
	public:
	WebContext();
	~WebContext();
	WebContext(WebContext const &r) = delete;
	void operator = (WebContext const &r) = delete;

	void set_keep_alive_enabled(bool f);

	void set_http_proxy(std::string const &proxy);
	void set_https_proxy(std::string const &proxy);
	WebProxy const *http_proxy() const;
	WebProxy const *https_proxy() const;

	bool load_cacert(char const *path);
	};

	#endif
	diff --git a/src/win32/Win32Process.cpp b/src/win32/Win32Process.cpp
	index a5870f9..27cdebc 100644
	--- a/src/win32/Win32Process.cpp
	+++ b/src/win32/Win32Process.cpp
	@@ -1,276 +1,276 @@
	#include <windows.h>
	#include "Win32Process.h"
	#include <QThread>
	#include <QTextCodec>
	#include <deque>
	#include <QDir>
	#include <QDebug>
	#include <QDateTime>
	#include <QMutex>


	class OutputReaderThread : public QThread {
	private:
	HANDLE hRead;
	QMutex *mutex;
	std::deque<char> *buffer;
	protected:
	void run() override
	{
	while (1) {
	char buf[256];
	DWORD len = 0;
	if (!ReadFile(hRead, buf, sizeof(buf), &len, nullptr)) break;
	if (len < 1) break;
	if (buffer) {
	QMutexLocker lock(mutex);
	buffer->insert(buffer->end(), buf, buf + len);
	}
	}
	}
	public:
	OutputReaderThread(HANDLE hRead, QMutex mutex, std::deque<char> buffer)
	: hRead(hRead)
	, mutex(mutex)
	, buffer(buffer)
	{
	}
	};

	class Win32ProcessThread : public QThread {
	friend class Win32Process2;
	private:
	public:
	QMutex *mutex = nullptr;
	std::string command;
	DWORD exit_code = -1;
	std::deque<char> inq;
	std::deque<char> outq;
	std::deque<char> errq;
	bool use_input = false;
	HANDLE hInputWrite = INVALID_HANDLE_VALUE;
	bool close_input_later = false;

	void reset()
	{
	mutex = nullptr;
	command.clear();
	exit_code = -1;
	inq.clear();
	outq.clear();
	errq.clear();
	use_input = false;
	hInputWrite = INVALID_HANDLE_VALUE;
	close_input_later = false;
	}

	protected:
	void run() override
	{
	try {
	hInputWrite = INVALID_HANDLE_VALUE;
	HANDLE hOutputRead = INVALID_HANDLE_VALUE;
	HANDLE hErrorRead = INVALID_HANDLE_VALUE;

	HANDLE hInputWriteTmp = INVALID_HANDLE_VALUE;
	HANDLE hOutputReadTmp = INVALID_HANDLE_VALUE;
	HANDLE hErrorReadTmp = INVALID_HANDLE_VALUE;
	HANDLE hInputRead = INVALID_HANDLE_VALUE;
	HANDLE hOutputWrite = INVALID_HANDLE_VALUE;
	HANDLE hErrorWrite = INVALID_HANDLE_VALUE;

	SECURITY_ATTRIBUTES sa;

	sa.nLength = sizeof(SECURITY_ATTRIBUTES);
	sa.lpSecurityDescriptor = nullptr;
	sa.bInheritHandle = TRUE;

	HANDLE currproc = GetCurrentProcess();

	// パイプを作成
	if (!CreatePipe(&hInputRead, &hInputWriteTmp, &sa, 0))
	throw std::string("Failed to CreatePipe");

	if (!CreatePipe(&hOutputReadTmp, &hOutputWrite, &sa, 0))
	throw std::string("Failed to CreatePipe");

	if (!CreatePipe(&hErrorReadTmp, &hErrorWrite, &sa, 0))
	throw std::string("Failed to CreatePipe");

	// 子プロセスの標準入力
	if (!DuplicateHandle(currproc, hInputWriteTmp, currproc, &hInputWrite, 0, FALSE, DUPLICATE_SAME_ACCESS))
	throw std::string("Failed to DupliateHandle");

	// 子プロセスの標準出力
	if (!DuplicateHandle(currproc, hOutputReadTmp, currproc, &hOutputRead, 0, FALSE, DUPLICATE_SAME_ACCESS))
	throw std::string("Failed to DupliateHandle");

	// 子プロセスのエラー出力
	if (!DuplicateHandle(currproc, hErrorReadTmp, currproc, &hErrorRead, 0, FALSE, DUPLICATE_SAME_ACCESS))
	throw std::string("Failed to DuplicateHandle");

	// 不要なハンドルを閉じる
	CloseHandle(hInputWriteTmp);
	CloseHandle(hOutputReadTmp);
	CloseHandle(hErrorReadTmp);

	// プロセス起動
	PROCESS_INFORMATION pi;
	STARTUPINFOA si;

	ZeroMemory(&si, sizeof(STARTUPINFO));
	si.cb = sizeof(STARTUPINFO);
	si.dwFlags = STARTF_USESTDHANDLES \| STARTF_USESHOWWINDOW;
	si.wShowWindow = SW_HIDE;
	si.hStdInput = hInputRead; // 標準入力ハンドル
	si.hStdOutput = hOutputWrite; // 標準出力ハンドル
	si.hStdError = hErrorWrite; // エラー出力ハンドル

	char tmp = (char )alloca(command.size() + 1);
	strcpy(tmp, command.c_str());
	if (!CreateProcessA(nullptr, tmp, nullptr, nullptr, TRUE, CREATE_NO_WINDOW, nullptr, nullptr, &si, &pi)) {
	throw std::string("Failed to CreateProcess");
	}

	// 不要なハンドルを閉じる
	CloseHandle(hInputRead);
	CloseHandle(hOutputWrite);
	CloseHandle(hErrorWrite);

	if (!use_input) {
	closeInput();
	}

	OutputReaderThread t1(hOutputRead, mutex, &outq);
	OutputReaderThread t2(hErrorRead, mutex, &errq);
	t1.start();
	t2.start();

	while (WaitForSingleObject(pi.hProcess, 1) != WAIT_OBJECT_0) {
	QMutexLocker lock(mutex);
	int n = inq.size();
	if (n > 0) {
	while (n > 0) {
	char tmp[1024];
	int l = n;
	if (l > sizeof(tmp)) {
	l = sizeof(tmp);
	}
	std::copy(inq.begin(), inq.begin() + l, tmp);
	inq.erase(inq.begin(), inq.begin() + l);
	if (hInputWrite != INVALID_HANDLE_VALUE) {
	DWORD written;
	WriteFile(hInputWrite, tmp, l, &written, nullptr);
	}
	n -= l;
	}
	} else if (close_input_later) {
	closeInput();
	}
	}

	t1.wait();
	t2.wait();

	CloseHandle(hOutputRead);
	CloseHandle(hErrorRead);

	GetExitCodeProcess(pi.hProcess, &exit_code);

	// 終了
	CloseHandle(pi.hThread);
	CloseHandle(pi.hProcess);
	} catch (std::string const &e) { // 例外
	OutputDebugStringA(e.c_str());
	}
	}
	public:
	void closeInput()
	{
	CloseHandle(hInputWrite);
	hInputWrite = INVALID_HANDLE_VALUE;
	}
	- void writeInput(const char *ptr, int len)
	+ void writeInput(char const *ptr, int len)
	{
	QMutexLocker lock(mutex);
	inq.insert(inq.end(), ptr, ptr + len);
	}
	};

	QString toQString(const std::vector<char> &vec)
	{
	if (vec.empty()) return QString();
	return QString::fromUtf8(&vec[0], vec.size());
	}

	struct Win32Process::Private {
	QMutex mutex;
	Win32ProcessThread th;

	};

	Win32Process::Win32Process()
	: m(new Private)
	{

	}

	Win32Process::~Win32Process()
	{
	delete m;
	}

	void Win32Process::start(QString const &command, bool use_input)
	{
	QTextCodec *sjis = QTextCodec::codecForName("Shift_JIS");
	Q_ASSERT(sjis);

	QByteArray ba = sjis->fromUnicode(command);
	ba.push_back((char)0);
	char const *cmd = ba.data();

	m->th.mutex = &m->mutex;
	m->th.use_input = use_input;
	m->th.command = cmd;
	m->th.start();
	}

	int Win32Process::wait()
	{
	m->th.wait();

	outbytes.clear();
	errbytes.clear();
	outbytes.insert(outbytes.end(), m->th.outq.begin(), m->th.outq.end());
	errbytes.insert(errbytes.end(), m->th.errq.begin(), m->th.errq.end());
	int exit_code = m->th.exit_code;
	m->th.reset();
	return exit_code;
	}

	QString Win32Process::outstring() const
	{
	return toQString(outbytes);
	}

	QString Win32Process::errstring() const
	{
	return toQString(errbytes);
	}

	void Win32Process::writeInput(char const *ptr, int len)
	{
	m->th.writeInput(ptr, len);
	}

	void Win32Process::closeInput(bool justnow)
	{
	if (justnow) {
	m->th.closeInput();
	} else {
	m->th.close_input_later = true;
	}
	}



	diff --git a/src/win32/Win32Process.h b/src/win32/Win32Process.h
	index 47ff9cb..45f09f9 100644
	--- a/src/win32/Win32Process.h
	+++ b/src/win32/Win32Process.h
	@@ -1,33 +1,33 @@
	#ifndef WIN32PROCESS_H
	#define WIN32PROCESS_H

	#include <vector>
	#include <string>
	#include <stdint.h>
	#include <QByteArray>
	#include <vector>
	#include <list>
	#include <QThread>
	//#include "MyProcess.h"

	class Win32Process {
	private:
	struct Private;
	Private *m;
	public:
	std::vector<char> outbytes;
	std::vector<char> errbytes;

	Win32Process();
	~Win32Process();

	QString outstring() const;
	QString errstring() const;

	void start(QString const &command, bool use_input);
	int wait();
	- void writeInput(const char *ptr, int len);
	+ void writeInput(char const *ptr, int len);
	void closeInput(bool justnow);
	};

	#endif // WIN32PROCESS_H
	diff --git a/src/win32/Win32PtyProcess.cpp b/src/win32/Win32PtyProcess.cpp
	index 63581b7..df12475 100644
	--- a/src/win32/Win32PtyProcess.cpp
	+++ b/src/win32/Win32PtyProcess.cpp
	@@ -1,256 +1,256 @@
	#include <windows.h>
	#include "Win32PtyProcess.h"
	#include <deque>

	#include <winpty.h>

	#include <QDir>
	#include <QMutex>

	namespace {

	class OutputReaderThread : public QThread {
	friend class ::Win32PtyProcess;
	private:
	public:
	HANDLE handle;
	std::deque<char> *output_queue = nullptr;
	std::vector<char> *output_vector = nullptr;
	protected:
	void run() override;
	public:
	void start(HANDLE hOutput, std::deque<char> outq, std::vector<char> outv);
	};

	void OutputReaderThread::run()
	{
	char buf[1024];
	while (1) {
	if (isInterruptionRequested()) break;
	DWORD amount = 0;
	BOOL ret = ReadFile(handle, buf, sizeof(buf), &amount, nullptr);
	if (!ret \|\| amount == 0) {
	break;
	}
	output_queue->insert(output_queue->end(), buf, buf + amount);
	output_vector->insert(output_vector->end(), buf, buf + amount);
	}
	}

	void OutputReaderThread::start(HANDLE hOutput, std::deque<char> outq, std::vector<char> outv)
	{
	handle = hOutput;
	output_queue = outq;
	output_vector = outv;
	QThread::start();
	}

	} // namespace

	// Win32PtyProcess

	struct Win32PtyProcess::Private {
	QMutex mutex;
	QString command;
	std::deque<char> output_queue;
	std::vector<char> output_vector;
	OutputReaderThread th_output_reader;
	HANDLE hProcess = INVALID_HANDLE_VALUE;
	HANDLE hOutput = INVALID_HANDLE_VALUE;
	HANDLE hInput = INVALID_HANDLE_VALUE;
	DWORD exit_code = 0;
	};

	Win32PtyProcess::Win32PtyProcess()
	: m(new Private)
	{
	}

	Win32PtyProcess::~Win32PtyProcess()
	{
	delete m;
	}

	bool Win32PtyProcess::isRunning() const
	{
	return QThread::isRunning();
	}

	-QString Win32PtyProcess::getProgram(const QString &cmdline)
	+QString Win32PtyProcess::getProgram(QString const &cmdline)
	{
	ushort const *begin = cmdline.utf16();
	ushort const *end = begin + cmdline.size();
	ushort const *ptr = begin;
	bool quote = 0;
	while (1) {
	ushort c = 0;
	if (ptr < end) {
	c = *ptr;
	}
	if (c == '\"') {
	if (quote) {
	quote = false;
	} else {
	quote = true;
	}
	ptr++;
	} else if (quote && c != 0) {
	ptr++;
	} else if (QChar(c).isSpace() \|\| c == 0) {
	break;
	} else {
	ptr++;
	}
	}
	ushort const *left = begin;
	ushort const *right = ptr;
	if (left + 1 < right) {
	if (left[0] == '\"' && right[-1] == '\"') {
	left++;
	right--;
	}
	}
	return QString::fromUtf16(left, right - left);
	}

	void Win32PtyProcess::run()
	{
	QString program;
	program = getProgram(m->command);

	QDir::setCurrent(change_dir);

	winpty_config_t *agent_cfg = winpty_config_new(WINPTY_FLAG_PLAIN_OUTPUT, nullptr);
	winpty_t *pty = winpty_open(agent_cfg, nullptr);
	winpty_config_free(agent_cfg);

	m->hInput = CreateFileW(winpty_conin_name(pty), GENERIC_WRITE, 0, nullptr, OPEN_EXISTING, 0, nullptr);
	m->hOutput = CreateFileW(winpty_conout_name(pty), GENERIC_READ, 0, nullptr, OPEN_EXISTING, 0, nullptr);
	m->th_output_reader.start(m->hOutput, &m->output_queue, &m->output_vector);

	winpty_spawn_config_t spawn_cfg = winpty_spawn_config_new(WINPTY_SPAWN_FLAG_AUTO_SHUTDOWN, (wchar_t const )program.utf16(), (wchar_t const *)m->command.utf16(), nullptr, nullptr, nullptr);
	BOOL spawnSuccess = winpty_spawn(pty, spawn_cfg, &m->hProcess, nullptr, nullptr, nullptr);

	if (spawnSuccess) {
	while (1) {
	if (isInterruptionRequested()) break;
	GetExitCodeProcess(m->hProcess, &m->exit_code);
	if (m->exit_code == STILL_ACTIVE) {
	// running
	msleep(1);
	} else {
	break;
	}
	}
	}

	// プロセスの出力を確実に取得するため、ここで output reader スレッドの終了を待つ
	m->th_output_reader.wait();

	winpty_free(pty);

	CloseHandle(m->hInput);
	CloseHandle(m->hOutput);
	CloseHandle(m->hProcess);
	m->hInput = INVALID_HANDLE_VALUE;
	m->hOutput = INVALID_HANDLE_VALUE;
	m->hProcess = INVALID_HANDLE_VALUE;

	emit completed();
	}

	int Win32PtyProcess::readOutput(char *dstptr, int maxlen)
	{
	int len = m->output_queue.size();
	if (len > maxlen) {
	len = maxlen;
	}
	if (len > 0) {
	auto begin = m->output_queue.begin();
	std::copy(begin, begin + len, dstptr);
	m->output_queue.erase(begin, begin + len);
	}
	return len;
	}

	-void Win32PtyProcess::writeInput(const char *ptr, int len)
	+void Win32PtyProcess::writeInput(char const *ptr, int len)
	{
	char const *begin = ptr;
	char const *end = begin + len;
	char const *left = begin;
	char const *right = begin;
	while (1) {
	int c = -1;
	if (right < end) {
	c = *right & 0xff;
	}
	if (c == '\r' \|\| c == '\n' \|\| c < 0) {
	if (left < right) {
	DWORD written;
	WriteFile(m->hInput, left, right - left, &written, nullptr);
	}
	if (c < 0) break;
	right++;
	if (c == '\r') {
	if (*right == '\n') {
	right++;
	}
	c = '\r';
	} else if (c == '\n') {
	c = '\r';
	} else {
	c = -1;
	}
	if (c >= 0) {
	DWORD written;
	WriteFile(m->hInput, &c, 1, &written, nullptr);
	}
	left = right;
	} else {
	right++;
	}
	}
	}

	-void Win32PtyProcess::start(const QString &cmdline)
	+void Win32PtyProcess::start(QString const &cmdline)
	{
	if (isRunning()) return;
	m->command = cmdline;
	QThread::start();
	}

	bool Win32PtyProcess::wait(unsigned long time)
	{
	return QThread::wait(time) && m->th_output_reader.wait(time);
	}

	void Win32PtyProcess::stop()
	{
	// 標準出力読み出しスレッドを強制終了しないとwinptyプロセスが終了してくれない
	m->th_output_reader.terminate();
	// プロセススレッド停止
	requestInterruption();
	wait();
	}

	const std::vector<char> *Win32PtyProcess::result() const
	{
	return &m->output_vector;
	}

	int Win32PtyProcess::getExitCode() const
	{
	return m->exit_code;
	}

	QString Win32PtyProcess::getMessage() const
	{
	QString s;
	if (!m->output_vector.empty()) {
	s = QString::fromUtf8(&m->output_vector[0], m->output_vector.size());
	}
	return s;
	}

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