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	diff --git a/darktheme/src/DarkStyle.cpp b/darktheme/src/DarkStyle.cpp
	index 16409dc..ce22dee 100644
	--- a/darktheme/src/DarkStyle.cpp
	+++ b/darktheme/src/DarkStyle.cpp
	@@ -1,2256 +1,2258 @@
	#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, 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(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)) {
	+ if (const auto 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)) {
	+ if (const auto 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)) {
	+ if (const auto 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)) {
	+ if (const auto 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);
	+ alignment \|= Qt::TextShowMnemonic;
	+ alignment \|= Qt::AlignHCenter;
	+ drawItemText(p, textRect, 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/src/AboutDialog.h b/src/AboutDialog.h
	index 87f4ef0..88922c0 100644
	--- a/src/AboutDialog.h
	+++ b/src/AboutDialog.h
	@@ -1,27 +1,26 @@
	#ifndef ABOUTDIALOG_H
	#define ABOUTDIALOG_H

	#include <QDialog>

	namespace Ui {
	class AboutDialog;
	}

	class AboutDialog : public QDialog
	{
	Q_OBJECT
	private:
	Ui::AboutDialog *ui;
	QPixmap pixmap;
	public:
	- explicit AboutDialog(QWidget *parent = 0);
	- ~AboutDialog();
	+ explicit AboutDialog(QWidget *parent = nullptr);
	+ ~AboutDialog() override;

	static QString appVersion();
	protected:
	- void mouseReleaseEvent(QMouseEvent *);
	-protected:
	- void paintEvent(QPaintEvent *event);
	+ void mouseReleaseEvent(QMouseEvent *) override;
	+ void paintEvent(QPaintEvent *event) override;
	};

	#endif // ABOUTDIALOG_H
	diff --git a/src/AbstractSettingForm.h b/src/AbstractSettingForm.h
	index 7c49a11..8f25d1d 100644
	--- a/src/AbstractSettingForm.h
	+++ b/src/AbstractSettingForm.h
	@@ -1,20 +1,20 @@
	#ifndef ABSTRACTSETTINGFORM_H
	#define ABSTRACTSETTINGFORM_H

	#include <QWidget>
	#include "main.h"
	#include "SettingsDialog.h"

	class MainWindow;

	class AbstractSettingForm : public QWidget {
	Q_OBJECT
	protected:
	MainWindow *mainwindow();
	ApplicationSettings *settings();
	public:
	- AbstractSettingForm(QWidget *parent = 0);
	+ AbstractSettingForm(QWidget *parent = nullptr);
	virtual void exchange(bool save) = 0;
	};

	#endif // ABSTRACTSETTINGFORM_H
	diff --git a/src/AreYouSureYouWantToContinueConnectingDialog.h b/src/AreYouSureYouWantToContinueConnectingDialog.h
	index 26890a5..4962713 100644
	--- a/src/AreYouSureYouWantToContinueConnectingDialog.h
	+++ b/src/AreYouSureYouWantToContinueConnectingDialog.h
	@@ -1,37 +1,36 @@
	#ifndef AREYOUSUREYOUWANTTOCONTINUECONNECTINGDIALOG_H
	#define AREYOUSUREYOUWANTTOCONTINUECONNECTINGDIALOG_H

	#include <QDialog>

	namespace Ui {
	class AreYouSureYouWantToContinueConnectingDialog;
	}

	-class AreYouSureYouWantToContinueConnectingDialog : public QDialog
	-{
	+class AreYouSureYouWantToContinueConnectingDialog : public QDialog {
	Q_OBJECT
	public:
	enum Result {
	Cancel,
	Yes,
	No,
	};
	public:
	- explicit AreYouSureYouWantToContinueConnectingDialog(QWidget *parent = 0);
	- ~AreYouSureYouWantToContinueConnectingDialog();
	+ explicit AreYouSureYouWantToContinueConnectingDialog(QWidget *parent = nullptr);
	+ ~AreYouSureYouWantToContinueConnectingDialog() override;

	Result result() const;

	private slots:
	void on_pushButton_continue_clicked();
	void on_pushButton_close_clicked();
	private:
	Ui::AreYouSureYouWantToContinueConnectingDialog *ui;
	Result result_ = Result::Cancel;

	// QDialog interface
	public slots:
	- void reject();
	+ void reject() override;
	};

	#endif // AREYOUSUREYOUWANTTOCONTINUECONNECTINGDIALOG_H
	diff --git a/src/AvatarLoader.h b/src/AvatarLoader.h
	index 1b42da7..da372b7 100644
	--- a/src/AvatarLoader.h
	+++ b/src/AvatarLoader.h
	@@ -1,37 +1,37 @@
	#ifndef AVATARLOADER_H
	#define AVATARLOADER_H

	#include "GitHubAPI.h"
	#include <QIcon>
	#include <QThread>
	#include <QMutex>
	#include <deque>
	#include <QWaitCondition>
	#include <set>
	#include <string>

	class WebContext;

	class AvatarLoader : public QThread {
	Q_OBJECT
	private:
	struct RequestItem {
	std::string email;
	QIcon icon;
	};
	struct Private;
	Private *m;

	protected:
	- void run();
	+ void run() override;
	public:
	AvatarLoader();
	- ~AvatarLoader();
	+ ~AvatarLoader() override;
	QIcon fetch(const std::string &email, bool request) const;
	void stop();
	void start(WebContext *webcx);
	signals:
	void updated();
	};

	#endif // AVATARLOADER_H
	diff --git a/src/BasicMainWindow.cpp b/src/BasicMainWindow.cpp
	index 033cc54..625413d 100644
	--- a/src/BasicMainWindow.cpp
	+++ b/src/BasicMainWindow.cpp
	@@ -1,2348 +1,2350 @@
	-#include "BasicMainWindow.h"
	+
	#include "ApplicationGlobal.h"
	+#include "BasicMainWindow.h"
	#include "CheckoutDialog.h"
	#include "CloneDialog.h"
	#include "CommitDialog.h"
	#include "CommitExploreWindow.h"
	#include "CommitViewWindow.h"
	#include "CreateRepositoryDialog.h"
	#include "DeleteBranchDialog.h"
	#include "DoYouWantToInitDialog.h"
	#include "FileHistoryWindow.h"
	#include "FilePropertyDialog.h"
	#include "FileUtil.h"
	#include "Git.h"
	#include "GitDiff.h"
	#include "JumpDialog.h"
	#include "MemoryReader.h"
	#include "MySettings.h"
	#include "PushDialog.h"
	#include "RepositoryPropertyDialog.h"
	#include "SelectCommandDialog.h"
	#include "SetGlobalUserDialog.h"
	#include "SetUserDialog.h"
	#include "SettingsDialog.h"
	#include "Terminal.h"
	#include "TextEditDialog.h"
	#include "WelcomeWizardDialog.h"
	#include "common/joinpath.h"
	#include "common/misc.h"
	#include "gpg.h"
	#include "gunzip.h"
	#include "platform.h"
	#include "webclient.h"
	#include <QDesktopServices>
	#include <QDir>
	#include <QDirIterator>
	#include <QFileIconProvider>
	#include <QListWidget>
	#include <QMenu>
	#include <QMessageBox>
	#include <QStandardPaths>
	#include <QTreeWidgetItem>
	+#include <memory>


	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);
	}
	};


	//

	struct BasicMainWindow::Private {
	ApplicationSettings appsettings;

	QIcon repository_icon;
	QIcon folder_icon;
	QIcon signature_good_icon;
	QIcon signature_dubious_icon;
	QIcon signature_bad_icon;
	QPixmap transparent_pixmap;

	QString starting_dir;
	Git::Context gcx;
	RepositoryItem current_repo;

	QList<RepositoryItem> repos;
	Git::CommitItemList logs;
	QList<Git::Diff> diff_result;

	QStringList added;
	QStringList remotes;
	QString current_remote_name;
	Git::Branch current_branch;
	unsigned int temp_file_counter = 0;

	std::string ssh_passphrase_user;
	std::string ssh_passphrase_pass;

	std::string http_uid;
	std::string http_pwd;

	std::map<QString, GitHubAPI::User> committer_map; // key is email

	PtyProcess pty_process;
	bool pty_process_ok = false;
	PtyCondition pty_condition = PtyCondition::None;

	WebContext webcx;

	AvatarLoader avatar_loader;
	int update_files_list_counter = 0;
	int update_commit_table_counter = 0;

	bool interaction_canceled = false;
	InteractionMode interaction_mode = InteractionMode::None;

	QString repository_filter_text;
	bool uncommited_changes = false;

	std::map<QString, QList<Git::Branch>> branch_map;
	std::map<QString, QList<Git::Tag>> tag_map;
	std::map<int, QList<Label>> label_map;
	std::map<QString, Git::Diff> diff_cache;
	GitObjectCache objcache;

	bool remote_changed = false;

	ServerType server_type = ServerType::Standard;
	GitHubRepositoryInfo github;

	QString head_id;
	bool force_fetch = false;

	RepositoryItem temp_repo_for_clone_complete;
	};

	BasicMainWindow::BasicMainWindow(QWidget *parent)
	: QMainWindow(parent)
	, m(new Private)
	{
	SettingsDialog::loadSettings(&m->appsettings);
	m->starting_dir = QDir::current().absolutePath();

	{ // load graphic resources
	QFileIconProvider icons;
	m->folder_icon = icons.icon(QFileIconProvider::Folder);
	m->repository_icon = QIcon(":/image/repository.png");
	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");
	m->transparent_pixmap = QPixmap(":/image/transparent.png");
	}
	}

	BasicMainWindow::~BasicMainWindow()
	{
	deleteTempFiles();
	delete m;
	}

	ApplicationSettings *BasicMainWindow::appsettings()
	{
	return &m->appsettings;
	}

	const ApplicationSettings *BasicMainWindow::appsettings() const
	{
	return &m->appsettings;
	}

	WebContext *BasicMainWindow::webContext()
	{
	return &m->webcx;
	}

	QString BasicMainWindow::gitCommand() const
	{
	return m->gcx.git_command;
	}

	void BasicMainWindow::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);
	}
	}
	}

	GitPtr BasicMainWindow::git(const QString &dir) const
	{
	const_cast<BasicMainWindow *>(this)->checkGitCommand();

	- GitPtr g = std::shared_ptr<Git>(new Git(m->gcx, dir));
	+ GitPtr g = std::make_shared<Git>(m->gcx, dir);
	g->setLogCallback(git_callback, (void *)this);
	return g;
	}

	GitPtr BasicMainWindow::git()
	{
	return git(currentWorkingCopyDir());
	}

	QPixmap BasicMainWindow::getTransparentPixmap()
	{
	return m->transparent_pixmap;
	}

	QIcon BasicMainWindow::committerIcon(int row) const
	{
	QIcon icon;
	if (isAvatarEnabled()) {
	auto const &logs = getLogs();
	if (row >= 0 && row < (int)logs.size()) {
	Git::CommitItem const &commit = logs[row];
	if (commit.email.indexOf('@') > 0) {
	std::string email = commit.email.toStdString();
	icon = getAvatarLoader()->fetch(email, true); // from gavatar
	}
	}
	}
	return icon;
	}

	const Git::CommitItem *BasicMainWindow::commitItem(int row) const
	{
	auto const &logs = getLogs();
	if (row >= 0 && row < (int)logs.size()) {
	return &logs[row];
	}
	return nullptr;
	}

	QIcon BasicMainWindow::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();
	}

	QString BasicMainWindow::currentWorkingCopyDir() const
	{
	QString workdir = m->current_repo.local_dir;
	return workdir.isEmpty() ? QString() : workdir;
	}

	const QList<BasicMainWindow::Label> *BasicMainWindow::label(int row)
	{
	auto it = getLabelMap()->find(row);
	if (it != getLabelMap()->end()) {
	return &it->second;
	}
	return nullptr;
	}

	bool BasicMainWindow::saveAs(const QString &id, const QString &dstpath)
	{
	if (id.startsWith(PATH_PREFIX)) {
	return saveFileAs(id.mid(1), dstpath);
	} else {
	return saveBlobAs(id, dstpath);
	}
	}

	bool BasicMainWindow::testRemoteRepositoryValidity(const QString &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;
	}

	void BasicMainWindow::addWorkingCopyDir(QString dir, bool open)
	{
	addWorkingCopyDir(dir, QString(), open);
	}

	bool BasicMainWindow::queryCommit(const QString &id, Git::CommitItem *out)
	{
	*out = Git::CommitItem();
	GitPtr g = git();
	return g->queryCommit(id, out);
	}

	QAction BasicMainWindow::addMenuActionProperty(QMenu menu)
	{
	return menu->addAction(tr("&Property"));
	}

	void BasicMainWindow::checkout(QWidget parent, const Git::CommitItem 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 BasicMainWindow::jumpToCommit(QString id)
	{
	GitPtr g = git();
	id = g->rev_parse(id);
	if (!id.isEmpty()) {
	int row = rowFromCommitId(id);
	setCurrentLogRow(row);
	}
	}

	void BasicMainWindow::execCommitViewWindow(const Git::CommitItem *commit)
	{
	CommitViewWindow win(this, commit);
	win.exec();
	}

	void BasicMainWindow::execCommitExploreWindow(QWidget parent, const Git::CommitItem commit)
	{
	CommitExploreWindow win(parent, this, getObjCache(), commit);
	win.exec();
	}

	void BasicMainWindow::execFileHistory(const QString &path)
	{
	if (path.isEmpty()) return;

	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	FileHistoryWindow dlg(this);
	dlg.prepare(g, path);
	dlg.exec();
	}

	void BasicMainWindow::execFilePropertyDialog(QListWidgetItem *item)
	{
	if (item) {
	QString path = getFilePath(item);
	QString id = getObjectID(item);
	FilePropertyDialog dlg(this);
	dlg.exec(this, path, id);
	}
	}

	QString BasicMainWindow::selectGitCommand(bool save)
	{
	char const *exe = GIT_COMMAND;

	QString path = gitCommand();

	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 BasicMainWindow::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 BasicMainWindow::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);
	}

	const Git::Branch &BasicMainWindow::currentBranch() const
	{
	return m->current_branch;
	}

	void BasicMainWindow::setCurrentBranch(const Git::Branch &b)
	{
	m->current_branch = b;
	}

	QString BasicMainWindow::currentRepositoryName() const
	{
	return m->current_repo.name;
	}

	QString BasicMainWindow::currentRemoteName() const
	{
	return m->current_remote_name;
	}

	QString BasicMainWindow::currentBranchName() const
	{
	return currentBranch().name;
	}

	bool BasicMainWindow::isValidWorkingCopy(const GitPtr &g) const
	{
	return g && g->isValidWorkingCopy();
	}

	QString BasicMainWindow::determinFileType_(const QString &path, bool mime, std::function<void (const QString &, QByteArray *)> callback) const
	{
	const_cast<BasicMainWindow *>(this)->checkFileCommand();
	return misc::determinFileType(global->file_command, path, mime, callback);
	}

	QString BasicMainWindow::determinFileType(const QString &path, bool mime)
	{
	return determinFileType_(path, mime, [](QString const &cmd, QByteArray *ba){
	misc2::runCommand(cmd, ba);
	});
	}

	QString BasicMainWindow::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();
	}
	});
	}

	QList<Git::Tag> BasicMainWindow::queryTagList()
	{
	QList<Git::Tag> list;
	Git::CommitItem const *commit = selectedCommitItem();
	if (commit && Git::isValidID(commit->commit_id)) {
	list = findTag(commit->commit_id);
	}
	return list;
	}

	int BasicMainWindow::limitLogCount() const
	{
	int n = appsettings()->maximum_number_of_commit_item_acquisitions;
	return (n >= 1 && n <= 100000) ? n : 10000;
	}

	Git::Object BasicMainWindow::cat_file_(GitPtr g, const QString &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 getObjCache()->catFile(id);;
	}
	}
	return Git::Object();
	}

	Git::Object BasicMainWindow::cat_file(const QString &id)
	{
	return cat_file_(git(), id);
	}

	QString BasicMainWindow::newTempFilePath()
	{
	QString tmpdir = QStandardPaths::writableLocation(QStandardPaths::TempLocation);
	QString path = tmpdir / tempfileHeader() + QString::number(m->temp_file_counter);
	m->temp_file_counter++;
	return path;
	}

	QString BasicMainWindow::findFileID(GitPtr, const QString &commit_id, const QString &file)
	{
	return lookupFileID(getObjCache(), commit_id, file);
	}

	-void BasicMainWindow::updateFilesList(QString id, QList<Git::Diff> diff_list, QListWidget listwidget)
	+void BasicMainWindow::updateFilesList(QString const &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(getObjCache());
	if (!dm.diff(id, diff_list)) return;

	addDiffItems(diff_list, AddItem);
	}

	void BasicMainWindow::writeLog(const char *ptr, int len)
	{
	internalWriteLog(ptr, len);
	}

	void BasicMainWindow::setAppSettings(const ApplicationSettings &appsettings)
	{
	m->appsettings = appsettings;
	}

	QPixmap BasicMainWindow::getTransparentPixmap() const
	{
	return m->transparent_pixmap;
	}

	QIcon BasicMainWindow::getSignatureBadIcon() const
	{
	return m->signature_bad_icon;
	}

	QIcon BasicMainWindow::getSignatureDubiousIcon() const
	{
	return m->signature_dubious_icon;
	}

	QIcon BasicMainWindow::getSignatureGoodIcon() const
	{
	return m->signature_good_icon;
	}

	QIcon BasicMainWindow::getFolderIcon() const
	{
	return m->folder_icon;
	}

	QIcon BasicMainWindow::getRepositoryIcon() const
	{
	return m->repository_icon;
	}

	const Git::CommitItemList &BasicMainWindow::getLogs() const
	{
	return m->logs;
	}

	Git::CommitItem const *BasicMainWindow::getLog(int index) const
	{
	return (index >= 0 && index < (int)m->logs.size()) ? &m->logs[index] : nullptr;
	}

	Git::CommitItemList *BasicMainWindow::getLogsPtr()
	{
	return &m->logs;
	}

	void BasicMainWindow::setLogs(const Git::CommitItemList &logs)
	{
	m->logs = logs;
	}

	void BasicMainWindow::clearLogs()
	{
	m->logs.clear();
	}

	BasicMainWindow::PtyCondition BasicMainWindow::getPtyCondition()
	{
	return m->pty_condition;
	}

	void BasicMainWindow::setPtyCondition(const PtyCondition &ptyCondition)
	{
	m->pty_condition = ptyCondition;
	}

	PtyProcess *BasicMainWindow::getPtyProcess()
	{
	return &m->pty_process;
	}

	bool BasicMainWindow::getPtyProcessOk() const
	{
	return m->pty_process_ok;
	}

	void BasicMainWindow::setPtyProcessOk(bool pty_process_ok)
	{
	m->pty_process_ok = pty_process_ok;
	}

	const QList<RepositoryItem> &BasicMainWindow::getRepos() const
	{
	return m->repos;
	}

	QList<RepositoryItem> *BasicMainWindow::getReposPtr()
	{
	return &m->repos;
	}

	void BasicMainWindow::setCurrentRemoteName(const QString &name)
	{
	m->current_remote_name = name;
	}

	AvatarLoader *BasicMainWindow::getAvatarLoader()
	{
	return &m->avatar_loader;
	}

	AvatarLoader const *BasicMainWindow::getAvatarLoader() const
	{
	return &m->avatar_loader;
	}

	int *BasicMainWindow::ptrUpdateFilesListCounter()
	{
	return &m->update_files_list_counter;
	}

	int *BasicMainWindow::ptrUpdateCommitTableCounter()
	{
	return &m->update_commit_table_counter;
	}

	bool BasicMainWindow::interactionCanceled() const
	{
	return m->interaction_canceled;
	}

	void BasicMainWindow::setInteractionCanceled(bool canceled)
	{
	m->interaction_canceled = canceled;
	}

	BasicMainWindow::InteractionMode BasicMainWindow::interactionMode() const
	{
	return m->interaction_mode;
	}

	void BasicMainWindow::setInteractionMode(const InteractionMode &im)
	{
	m->interaction_mode = im;
	}

	QString BasicMainWindow::getRepositoryFilterText() const
	{
	return m->repository_filter_text;
	}

	void BasicMainWindow::setRepositoryFilterText(const QString &text)
	{
	m->repository_filter_text = text;
	}

	void BasicMainWindow::setUncommitedChanges(bool uncommited_changes)
	{
	m->uncommited_changes = uncommited_changes;
	}

	QList<Git::Diff> *BasicMainWindow::diffResult()
	{
	return &m->diff_result;
	}

	std::map<QString, Git::Diff> *BasicMainWindow::getDiffCacheMap()
	{
	return &m->diff_cache;
	}

	bool BasicMainWindow::getRemoteChanged() const
	{
	return m->remote_changed;
	}

	void BasicMainWindow::setRemoteChanged(bool remote_changed)
	{
	m->remote_changed = remote_changed;
	}

	void BasicMainWindow::setServerType(const ServerType &server_type)
	{
	m->server_type = server_type;
	}

	GitHubRepositoryInfo *BasicMainWindow::ptrGitHub()
	{
	return &m->github;
	}

	std::map<int, QList<BasicMainWindow::Label>> *BasicMainWindow::getLabelMap()
	{
	return &m->label_map;
	}

	void BasicMainWindow::clearLabelMap()
	{
	m->label_map.clear();
	}

	GitObjectCache *BasicMainWindow::getObjCache()
	{
	return &m->objcache;
	}



	bool BasicMainWindow::getForceFetch() const
	{
	return m->force_fetch;
	}

	void BasicMainWindow::setForceFetch(bool force_fetch)
	{
	m->force_fetch = force_fetch;
	}

	std::map<QString, QList<Git::Tag>> *BasicMainWindow::ptrTagMap()
	{
	return &m->tag_map;
	}

	QString BasicMainWindow::getHeadId() const
	{
	return m->head_id;
	}

	void BasicMainWindow::setHeadId(const QString &head_id)
	{
	m->head_id = head_id;
	}

	const RepositoryItem &BasicMainWindow::getTempRepoForCloneComplete() const
	{
	return m->temp_repo_for_clone_complete;
	}

	bool BasicMainWindow::git_callback(void cookie, const char ptr, int len)
	{
	auto mw = (BasicMainWindow )cookie;
	mw->emitWriteLog(QByteArray(ptr, len));
	return true;
	}

	-QString BasicMainWindow::selectCommand_(const QString &cmdname, const QStringList &cmdfiles, const QStringList &list, QString path, std::function<void (const QString &)> callback)
	+QString BasicMainWindow::selectCommand_(const QString &cmdname, const QStringList &cmdfiles, const QStringList &list, QString path, std::function<void (const 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 BasicMainWindow::selectCommand_(const QString &cmdname, const QString &cmdfile, const QStringList &list, QString path, std::function<void (const QString &)> callback)
	+QString BasicMainWindow::selectCommand_(const QString &cmdname, const QString &cmdfile, const QStringList &list, QString const &path, std::function<void (const QString &)> const &callback)
	{
	QStringList cmdfiles;
	cmdfiles.push_back(cmdfile);
	return selectCommand_(cmdname, cmdfiles, list, path, callback);
	}

	bool BasicMainWindow::checkGitCommand()
	{
	while (1) {
	if (misc::isExecutable(gitCommand())) {
	return true;
	}
	if (selectGitCommand(true).isEmpty()) {
	close();
	return false;
	}
	}
	}

	bool BasicMainWindow::checkFileCommand()
	{
	while (1) {
	if (misc::isExecutable(global->file_command)) {
	return true;
	}
	if (selectFileCommand(true).isEmpty()) {
	close();
	return false;
	}
	}
	}

	bool BasicMainWindow::checkExecutable(const QString &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 BasicMainWindow::internalSetCommand(const QString &path, bool save, const QString &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();
	}
	}

	QStringList BasicMainWindow::whichCommand_(const QString &cmdfile1, const QString &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;
	}

	void BasicMainWindow::emitWriteLog(QByteArray ba)
	{
	emit signalWriteLog(ba);
	}

	void BasicMainWindow::setWindowTitle_(const Git::User &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)
	);
	}
	}

	bool BasicMainWindow::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;
	}

	bool BasicMainWindow::saveByteArrayAs(const QByteArray &ba, const QString &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 BasicMainWindow::saveFileAs(const QString &srcpath, const QString &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 BasicMainWindow::saveBlobAs(const QString &id, const QString &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;
	}

	void BasicMainWindow::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);
	}
	}

	void BasicMainWindow::deleteTags(const Git::CommitItem &commit)
	{
	auto it = ptrTagMap()->find(commit.commit_id);
	if (it != ptrTagMap()->end()) {
	QStringList names;
	QList<Git::Tag> const &tags = it->second;
	for (Git::Tag const &tag : tags) {
	names.push_back(tag.name);
	}
	deleteTags(names);
	}
	}

	bool BasicMainWindow::isAvatarEnabled() const
	{
	return appsettings()->get_committer_icon;
	}

	bool BasicMainWindow::isGitHub() const
	{
	return m->server_type == ServerType::GitHub;
	}

	QStringList BasicMainWindow::remotes() const
	{
	return m->remotes;
	}

	QList<Git::Branch> BasicMainWindow::findBranch(const QString &id)
	{
	auto it = branchMapRef().find(id);
	if (it != branchMapRef().end()) {
	return it->second;
	}
	return QList<Git::Branch>();
	}

	QString BasicMainWindow::saveAsTemp(const QString &id)
	{
	QString path = newTempFilePath();
	saveAs(id, path);
	return path;
	}

	QString BasicMainWindow::tempfileHeader() const
	{
	QString name = "jp_soramimi_Guitar_%1_";
	return name.arg(QApplication::applicationPid());
	}

	void BasicMainWindow::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 BasicMainWindow::getCommitIdFromTag(const QString &tag)
	{
	return getObjCache()->getCommitIdFromTag(tag);
	}

	bool BasicMainWindow::isValidRemoteURL(const QString &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, getPtyProcess());
	{
	QTime time;
	time.start();
	while (!getPtyProcess()->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;
	}

	void BasicMainWindow::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);
	}
	}

	QString BasicMainWindow::makeRepositoryName(const QString &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();
	}

	void BasicMainWindow::clearAuthentication()
	{
	clearSshAuthentication();
	m->http_uid.clear();
	m->http_pwd.clear();
	}

	void BasicMainWindow::onAvatarUpdated()
	{
	updateCommitTableLater();
	}

	void BasicMainWindow::queryRemotes(GitPtr g)
	{
	m->remotes = g->getRemotes();
	std::sort(m->remotes.begin(), m->remotes.end());
	}

	bool BasicMainWindow::runOnRepositoryDir(std::function<void (QString)> callback, const RepositoryItem *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;
	}

	void BasicMainWindow::clearSshAuthentication()
	{
	m->ssh_passphrase_user.clear();
	m->ssh_passphrase_pass.clear();
	}

	QString BasicMainWindow::getFilePath(QListWidgetItem *item)
	{
	if (!item) return QString();
	return item->data(FilePathRole).toString();
	}

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

	int BasicMainWindow::indexOfLog(QListWidgetItem *item)
	{
	if (!item) return -1;
	return item->data(IndexRole).toInt();
	}

	int BasicMainWindow::indexOfDiff(QListWidgetItem *item)
	{
	if (!item) return -1;
	return item->data(DiffIndexRole).toInt();
	}

	int BasicMainWindow::getHunkIndex(QListWidgetItem *item)
	{
	if (!item) return -1;
	return item->data(HunkIndexRole).toInt();
	}

	void BasicMainWindow::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();
	}
	webContext()->set_http_proxy(http_proxy);
	webContext()->set_https_proxy(https_proxy);
	}

	QString BasicMainWindow::abbrevCommitID(const Git::CommitItem &commit)
	{
	return commit.commit_id.mid(0, 7);
	}

	bool BasicMainWindow::saveRepositoryBookmarks() const
	{
	QString path = getBookmarksFilePath();
	return RepositoryBookmark::save(path, &getRepos());
	}

	QString BasicMainWindow::getBookmarksFilePath() const
	{
	return global->app_config_dir / "bookmarks.xml";
	}

	void BasicMainWindow::stopPtyProcess()
	{
	getPtyProcess()->stop();
	QDir::setCurrent(m->starting_dir);
	}

	void BasicMainWindow::abortPtyProcess()
	{
	stopPtyProcess();
	setPtyProcessOk(false);
	setInteractionCanceled(true);
	}

	bool BasicMainWindow::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)) {
	gitCommand() = 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 = gitCommand() = 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;
	}

	void BasicMainWindow::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()) {
	emit remoteInfoChanged();
	}
	}

	void BasicMainWindow::execSetUserDialog(const Git::User &global_user, const Git::User &repo_user, const QString &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 BasicMainWindow::setGitCommand(const QString &path, bool save)
	{
	internalSetCommand(path, save, "GitCommand", &m->gcx.git_command);
	}

	void BasicMainWindow::setFileCommand(const QString &path, bool save)
	{
	internalSetCommand(path, save, "FileCommand", &global->file_command);
	}

	void BasicMainWindow::setGpgCommand(const QString &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 BasicMainWindow::logGitVersion()
	{
	GitPtr g = git();
	QString s = g->version();
	if (!s.isEmpty()) {
	s += '\n';
	writeLog(s);
	}
	}

	void BasicMainWindow::setUnknownRepositoryInfo()
	{
	setRepositoryInfo("---", "");

	Git g(m->gcx, QString());
	Git::User user = g.getUser(Git::Source::Global);
	setWindowTitle_(user);
	}

	void BasicMainWindow::internalClearRepositoryInfo()
	{
	setHeadId(QString());
	setCurrentBranch(Git::Branch());
	setServerType(ServerType::Standard);
	m->github = GitHubRepositoryInfo();
	}

	void BasicMainWindow::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 BasicMainWindow::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 BasicMainWindow::reopenRepository(bool log, std::function<void (GitPtr)> 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 BasicMainWindow::openSelectedRepository()
	{
	RepositoryItem const *repo = selectedRepositoryItem();
	if (repo) {
	setCurrentRepository(*repo, true);
	openRepository(true);
	}
	}

	void BasicMainWindow::checkRemoteUpdate()
	{
	if (getPtyProcess()->isRunning()) return;

	emit signalCheckRemoteUpdate();
	}

	bool BasicMainWindow::isThereUncommitedChanges() const
	{
	return m->uncommited_changes;
	}

	bool BasicMainWindow::makeDiff(QString id, QList<Git::Diff> *out)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return false;

	Git::FileStatusList list = g->status();
	setUncommitedChanges(!list.empty());

	if (id.isEmpty() && !isThereUncommitedChanges()) {
	id = getObjCache()->revParse("HEAD");
	}

	bool uncommited = (id.isEmpty() && isThereUncommitedChanges());

	GitDiff dm(getObjCache());
	if (uncommited) {
	dm.diff_uncommited(out);
	} else {
	dm.diff(id, out);
	}

	return true; // success
	}

	void BasicMainWindow::addDiffItems(const QList<Git::Diff> *diff_list, const std::function<void (const QString &, QString, int)> &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);
	}
	}

	Git::CommitItemList BasicMainWindow::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 BasicMainWindow::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()) {
	setCurrentBranch(b);
	}
	branchMapRef()[b.id].append(b);
	}
	}

	std::map<QString, QList<Git::Branch> > &BasicMainWindow::branchMapRef()
	{
	return m->branch_map;
	}

	void BasicMainWindow::updateCommitTableLater()
	{
	*ptrUpdateCommitTableCounter() = 200;
	}

	void BasicMainWindow::updateRemoteInfo()
	{
	queryRemotes(git());

	m->current_remote_name = QString();
	{
	Git::Branch const &r = currentBranch();
	m->current_remote_name = r.remote;
	}
	if (m->current_remote_name.isEmpty()) {
	if (m->remotes.size() == 1) {
	m->current_remote_name = m->remotes[0];
	}
	}

	emit remoteInfoChanged();
	}

	void BasicMainWindow::updateWindowTitle(GitPtr g)
	{
	if (isValidWorkingCopy(g)) {
	Git::User user = g->getUser(Git::Source::Default);
	setWindowTitle_(user);
	} else {
	setUnknownRepositoryInfo();
	}
	}

	QString BasicMainWindow::makeCommitInfoText(int row, QList<BasicMainWindow::Label> *label_list)
	{
	QString message_ex;
	Git::CommitItem const *commit = &getLogs()[row];
	{ // branch
	if (label_list) {
	if (commit->commit_id == getHeadId()) {
	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 BasicMainWindow::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;
	}
	auto *repos = getReposPtr();
	if (index >= 0 && index < repos->size()) {
	repos->erase(repos->begin() + index);
	saveRepositoryBookmarks();
	updateRepositoriesList();
	}
	}

	void BasicMainWindow::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_for_clone_complete.local_dir = dir;
	m->temp_repo_for_clone_complete.local_dir.replace('\\', '/');
	m->temp_repo_for_clone_complete.name = makeRepositoryName(dir);

	GitPtr g = git(QString());
	setPtyCondition(PtyCondition::Clone);
	setPtyProcessOk(true);
	g->clone(clone_data, getPtyProcess());

	} else if (dlg.action() == CloneDialog::Action::AddExisting) {
	addWorkingCopyDir(dir, true);
	}

	return; // done
	}
	}

	void BasicMainWindow::checkout()
	{
	checkout(this, selectedCommitItem());
	}

	void BasicMainWindow::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(getLogs()[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, getPtyProcess());
	} else {
	ok = g->commit(text, sign, getPtyProcess());
	}
	if (ok) {
	setForceFetch(true);
	openRepository(true);
	} else {
	QString err = g->errorMessage().trimmed();
	err += "\n*** ";
	err += tr("Failed to commit");
	err += " ***\n";
	writeLog(err);
	}
	}
	break;
	}
	}

	void BasicMainWindow::commitAmend()
	{
	commit(true);
	}

	void BasicMainWindow::pushSetUpstream(const QString &remote, const QString &branch)
	{
	if (remote.isEmpty()) return;
	if (branch.isEmpty()) return;

	int exitcode = 0;
	QString errormsg;

	reopenRepository(true, [&](GitPtr g){
	g->push_u(remote, branch, getPtyProcess());
	while (1) {
	if (getPtyProcess()->wait(1)) break;
	QApplication::processEvents();
	}
	exitcode = getPtyProcess()->getExitCode();
	errormsg = getPtyProcess()->getMessage();
	});

	if (exitcode == 128) {
	if (errormsg.indexOf("Connection refused") >= 0) {
	QMessageBox::critical(this, qApp->applicationName(), tr("Connection refused."));
	return;
	}
	}

	updateRemoteInfo();
	}

	bool BasicMainWindow::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) {
	push();
	} else if (a == PushDialog::PushSetUpstream) {
	QString remote = dlg.remote();
	QString branch = dlg.branch();
	pushSetUpstream(remote, branch);
	}
	return true;
	}

	return false;
	}

	void BasicMainWindow::push()
	{
	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, getPtyProcess());
	while (1) {
	if (getPtyProcess()->wait(1)) break;
	QApplication::processEvents();
	}
	exitcode = getPtyProcess()->getExitCode();
	errormsg = getPtyProcess()->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 BasicMainWindow::openTerminal(const RepositoryItem *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 BasicMainWindow::openExplorer(const RepositoryItem *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);
	}

	const Git::CommitItem *BasicMainWindow::selectedCommitItem() const
	{
	int i = selectedLogIndex();
	return commitItem(i);
	}

	void BasicMainWindow::deleteBranch(const Git::CommitItem *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 BasicMainWindow::deleteBranch()
	{
	deleteBranch(selectedCommitItem());
	}

	bool BasicMainWindow::askAreYouSureYouWantToRun(const QString &title, const QString &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;
	}

	bool BasicMainWindow::editFile(const QString &path, const QString &title)
	{
	return TextEditDialog::editFile(this, path, title);
	}

	void BasicMainWindow::resetFile(const QStringList &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 BasicMainWindow::saveRepositoryBookmark(RepositoryItem item)
	{
	if (item.local_dir.isEmpty()) return;

	if (item.name.isEmpty()) {
	item.name = tr("Unnamed");
	}

	auto *repos = getReposPtr();

	bool done = false;
	for (auto &repo : *repos) {
	RepositoryItem *p = &repo;
	if (item.local_dir == p->local_dir) {
	*p = item;
	done = true;
	break;
	}
	}
	if (!done) {
	repos->push_back(item);
	}
	saveRepositoryBookmarks();
	updateRepositoriesList();
	}

	void BasicMainWindow::setCurrentRepository(const RepositoryItem &repo, bool clear_authentication)
	{
	if (clear_authentication) {
	clearAuthentication();
	}
	m->current_repo = repo;
	}

	void BasicMainWindow::internalDeleteTags(const QStringList &tagnames)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	if (!tagnames.isEmpty()) {
	reopenRepository(false, [&](GitPtr g){
	for (QString const &name : tagnames) {
	g->delete_tag(name, true);
	}
	});
	}
	}

	bool BasicMainWindow::internalAddTag(const QString &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;

	bool ok = false;
	reopenRepository(false, [&](GitPtr g){
	ok = g->tag(name, commit_id);
	});

	return ok;
	}

	NamedCommitList BasicMainWindow::namedCommitItems(int flags)
	{
	NamedCommitList items;
	if (flags & Branches) {
	for (auto pair: branchMapRef()) {
	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: *ptrTagMap()) {
	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 BasicMainWindow::rowFromCommitId(const QString &id)
	{
	auto const &logs = getLogs();
	for (size_t i = 0; i < logs.size(); i++) {
	Git::CommitItem const &item = logs[i];
	if (item.commit_id == id) {
	return (int)i;
	}
	}
	return -1;
	}

	void BasicMainWindow::createRepository(const QString &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 BasicMainWindow::setLogEnabled(GitPtr g, bool f)
	{
	if (f) {
	g->setLogCallback(git_callback, this);
	} else {
	g->setLogCallback(nullptr, nullptr);
	}
	}

	QList<Git::Tag> BasicMainWindow::findTag(const QString &id)
	{
	auto it = ptrTagMap()->find(id);
	if (it != ptrTagMap()->end()) {
	return it->second;
	}
	return QList<Git::Tag>();
	}

	void BasicMainWindow::sshSetPassphrase(const std::string &user, const std::string &pass)
	{
	m->ssh_passphrase_user = user;
	m->ssh_passphrase_pass = pass;
	}

	std::string BasicMainWindow::sshPassphraseUser() const
	{
	return m->ssh_passphrase_user;
	}

	std::string BasicMainWindow::sshPassphrasePass() const
	{
	return m->ssh_passphrase_pass;
	}

	void BasicMainWindow::httpSetAuthentication(const std::string &user, const std::string &pass)
	{
	m->http_uid = user;
	m->http_pwd = pass;
	}

	std::string BasicMainWindow::httpAuthenticationUser() const
	{
	return m->http_uid;
	}

	std::string BasicMainWindow::httpAuthenticationPass() const
	{
	return m->http_uid;
	}

	diff --git a/src/BasicMainWindow.h b/src/BasicMainWindow.h
	index 1f99550..11a8dc0 100644
	--- a/src/BasicMainWindow.h
	+++ b/src/BasicMainWindow.h
	@@ -1,365 +1,366 @@
	#ifndef BASICMAINWINDOW_H
	#define BASICMAINWINDOW_H

	#include "Git.h"
	#include "GitObjectManager.h"
	#include "MyProcess.h"
	#include "RepositoryData.h"
	#include "TextEditorTheme.h"
	#include <QMainWindow>
	#include <functional>

	class ApplicationSettings;
	class AvatarLoader;
	class QListWidget;
	class QListWidgetItem;
	class QTreeWidgetItem;
	class WebContext;

	struct GitHubRepositoryInfo {
	QString owner_account_name;
	QString repository_name;
	};

	#define PATH_PREFIX "*"

	class BasicMainWindow : public QMainWindow {
	Q_OBJECT
	public:
	struct Label {
	enum {
	Head,
	LocalBranch,
	RemoteBranch,
	Tag,
	};
	int kind;
	QString text;
	Label(int kind = LocalBranch)
	: kind(kind)
	{

	}
	};
	protected:

	enum class PtyCondition {
	None,
	Clone,
	Fetch,
	Pull,
	Push,
	};

	enum InteractionMode {
	None,
	Busy,
	};

	enum NamedCommitFlag {
	Branches = 0x0001,
	Tags = 0x0002,
	Remotes = 0x0100,
	};

	enum class FilesListType {
	SingleList,
	SideBySide,
	};

	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;
	};

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

	enum {
	GroupItem = -1,
	};

	struct Private;
	Private *m;
	protected:
	private:
	private:
	static bool git_callback(void cookie, const char ptr, int len);

	- QString selectCommand_(const QString &cmdname, const QStringList &cmdfiles, 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);
	+ QString selectCommand_(const QString &cmdname, const QStringList &cmdfiles, const QStringList &list, QString path, std::function<void (const QString &)> const &callback);
	+ QString selectCommand_(const QString &cmdname, const QString &cmdfile, const QStringList &list, const QString &path, std::function<void (const QString &)> const &callback);

	bool checkGitCommand();
	bool checkFileCommand();
	bool checkExecutable(const QString &path);
	void internalSetCommand(const QString &path, bool save, const QString &name, QString *out);
	QStringList whichCommand_(const QString &cmdfile1, const QString &cmdfile2 = QString());

	void emitWriteLog(QByteArray ba);

	void setWindowTitle_(const Git::User &user);
	bool execSetGlobalUserDialog();

	bool saveByteArrayAs(const QByteArray &ba, const QString &dstpath);
	bool saveFileAs(const QString &srcpath, const QString &dstpath);
	bool saveBlobAs(const QString &id, const QString &dstpath);

	void updateFilesList(const Git::CommitItem &commit, bool wait);

	void revertAllFiles();

	void setCurrentRemoteName(const QString &name);

	void deleteTags(const Git::CommitItem &commit);

	bool isAvatarEnabled() const;
	bool isGitHub() const;
	QStringList remotes() const;
	QList<Git::Branch> findBranch(const QString &id);
	QString saveAsTemp(const QString &id);
	QString tempfileHeader() const;
	void deleteTempFiles();
	QString getCommitIdFromTag(const QString &tag);
	bool isValidRemoteURL(const QString &url);
	QString getObjectID(QListWidgetItem *item);
	void addWorkingCopyDir(QString dir, QString name, bool open);
	static QString makeRepositoryName(const QString &loc);
	void clearAuthentication();
	- void onAvatarUpdated();
	const RepositoryItem findRegisteredRepository(QString workdir) const;
	void queryRemotes(GitPtr g);
	bool runOnRepositoryDir(std::function<void (QString)> callback, const RepositoryItem *repo);
	void clearSshAuthentication();
	protected:
	static QString getFilePath(QListWidgetItem *item);
	static bool isGroupItem(QTreeWidgetItem *item);
	static int indexOfLog(QListWidgetItem *item);
	static int indexOfDiff(QListWidgetItem *item);
	static int getHunkIndex(QListWidgetItem *item);

	void initNetworking();
	static QString abbrevCommitID(const Git::CommitItem &commit);
	bool saveRepositoryBookmarks() const;
	QString getBookmarksFilePath() const;

	void stopPtyProcess();
	void abortPtyProcess();

	bool execWelcomeWizardDialog();
	void execRepositoryPropertyDialog(QString workdir, bool open_repository_menu = false);
	void execSetUserDialog(const Git::User &global_user, const Git::User &repo_user, const QString &reponame);
	void setGitCommand(const QString &path, bool save);
	void setFileCommand(const QString &path, bool save);
	void setGpgCommand(const QString &path, bool save);
	void logGitVersion();
	void setUnknownRepositoryInfo();
	void internalClearRepositoryInfo();
	void checkUser();
	void openRepository(bool validate, bool waitcursor = true);
	void reopenRepository(bool log, std::function<void (GitPtr)> callback);
	void openSelectedRepository();
	void checkRemoteUpdate();
	bool isThereUncommitedChanges() const;
	bool makeDiff(QString id, QList<Git::Diff> *out);
	void addDiffItems(const QList<Git::Diff> *diff_list, const std::function<void (const QString &, QString, int)> &add_item);
	Git::CommitItemList retrieveCommitLog(GitPtr g);

	void queryBranches(GitPtr g);
	std::map<QString, QList<Git::Branch>> &branchMapRef();

	void updateCommitTableLater();
	void updateRemoteInfo();
	void updateWindowTitle(GitPtr g);
	QString makeCommitInfoText(int row, QList<Label> *label_list);
	void removeRepositoryFromBookmark(int index, bool ask);

	void clone();
	void checkout();
	void commit(bool amend = false);
	void commitAmend();
	void pushSetUpstream(const QString &remote, const QString &branch);
	bool pushSetUpstream(bool testonly);
	void push();

	void openTerminal(const RepositoryItem *repo);
	void openExplorer(const RepositoryItem *repo);
	const Git::CommitItem *selectedCommitItem() const;
	void deleteBranch(const Git::CommitItem *commit);
	void deleteBranch();
	bool askAreYouSureYouWantToRun(const QString &title, const QString &command);
	bool editFile(const QString &path, const QString &title);
	void resetFile(const QStringList &paths);
	void saveRepositoryBookmark(RepositoryItem item);
	void setCurrentRepository(const RepositoryItem &repo, bool clear_authentication);
	void internalDeleteTags(const QStringList &tagnames);
	bool internalAddTag(const QString &name);
	NamedCommitList namedCommitItems(int flags);
	int rowFromCommitId(const QString &id);
	void createRepository(const QString &dir);
	void setLogEnabled(GitPtr g, bool f);
	QList<Git::Tag> findTag(const QString &id);
	void sshSetPassphrase(const std::string &user, const std::string &pass);
	std::string sshPassphraseUser() const;
	std::string sshPassphrasePass() const;
	void httpSetAuthentication(std::string const &user, std::string const &pass);
	std::string httpAuthenticationUser() const;
	std::string httpAuthenticationPass() const;
	public:
	Git::CommitItemList const &getLogs() const;
	const Git::CommitItem *getLog(int index) const;
	protected:
	Git::CommitItemList *getLogsPtr();
	void setLogs(const Git::CommitItemList &logs);
	void clearLogs();

	PtyProcess *getPtyProcess();
	PtyCondition getPtyCondition();
	bool getPtyProcessOk() const;
	void setPtyProcessOk(bool pty_process_ok);
	void setPtyCondition(const PtyCondition &ptyCondition);

	QList<RepositoryItem> const &getRepos() const;
	QList<RepositoryItem> *getReposPtr();

	QString getCurrentRemoteName() const;

	AvatarLoader *getAvatarLoader();
	const AvatarLoader *getAvatarLoader() const;

	int *ptrUpdateFilesListCounter();
	int *ptrUpdateCommitTableCounter();

	bool interactionCanceled() const;
	void setInteractionCanceled(bool canceled);

	InteractionMode interactionMode() const;
	void setInteractionMode(const InteractionMode &im);

	QString getRepositoryFilterText() const;
	void setRepositoryFilterText(const QString &text);

	void setUncommitedChanges(bool uncommited_changes);

	QList<Git::Diff> *diffResult();
	std::map<QString, Git::Diff> *getDiffCacheMap();

	bool getRemoteChanged() const;
	void setRemoteChanged(bool remote_changed);

	void setServerType(const ServerType &server_type);

	GitHubRepositoryInfo *ptrGitHub();

	std::map<int, QList<Label> > *getLabelMap();
	void clearLabelMap();

	GitObjectCache *getObjCache();

	bool getForceFetch() const;
	void setForceFetch(bool force_fetch);

	std::map<QString, QList<Git::Tag>> *ptrTagMap();

	QString getHeadId() const;
	void setHeadId(const QString &head_id);

	RepositoryItem const &getTempRepoForCloneComplete() const;

	protected:
	virtual void setCurrentLogRow(int row) = 0;
	virtual void updateFilesList(QString id, bool wait) = 0;
	virtual void setRepositoryInfo(const QString &reponame, const QString &brname) = 0;
	virtual void deleteTags(const QStringList &tagnames) = 0;
	virtual void internalWriteLog(const char *ptr, int len) = 0;
	virtual void removeSelectedRepositoryFromBookmark(bool ask) = 0;
	virtual void openRepository_(GitPtr g) = 0;
	virtual void updateRepositoriesList() = 0;
	virtual int selectedLogIndex() const = 0;
	virtual void clearFileList() = 0;
	virtual const RepositoryItem *selectedRepositoryItem() const = 0;
	virtual bool isRemoteOnline() const = 0;
	public:
	explicit BasicMainWindow(QWidget *parent = nullptr);
	~BasicMainWindow();
	ApplicationSettings *appsettings();
	const ApplicationSettings *appsettings() const;
	WebContext *webContext();
	QString gitCommand() const;
	void autoOpenRepository(QString dir);
	GitPtr git(const QString &dir) const;
	GitPtr git();
	QPixmap getTransparentPixmap();
	QIcon committerIcon(int row) const;
	const Git::CommitItem *commitItem(int row) const;
	QIcon verifiedIcon(char s) const;
	virtual QString currentWorkingCopyDir() const;
	const QList<BasicMainWindow::Label> *label(int row);
	bool saveAs(const QString &id, const QString &dstpath);
	bool testRemoteRepositoryValidity(const QString &url);
	QString defaultWorkingDir() const;
	void addWorkingCopyDir(QString dir, bool open);
	bool queryCommit(const QString &id, Git::CommitItem *out);
	QAction addMenuActionProperty(QMenu menu);
	void checkout(QWidget parent, const Git::CommitItem commit);
	void jumpToCommit(QString id);
	void execCommitViewWindow(const Git::CommitItem *commit);
	void execCommitExploreWindow(QWidget parent, const Git::CommitItem commit);
	void execCommitPropertyDialog(QWidget parent, const Git::CommitItem commit);
	void execFileHistory(const QString &path);
	void execFileHistory(QListWidgetItem *item);
	void execFilePropertyDialog(QListWidgetItem *item);
	QString selectGitCommand(bool save);
	QString selectFileCommand(bool save);
	QString selectGpgCommand(bool save);
	const Git::Branch &currentBranch() const;
	void setCurrentBranch(const Git::Branch &b);
	QString currentRepositoryName() const;
	QString currentRemoteName() const;
	QString currentBranchName() const;
	bool isValidWorkingCopy(const GitPtr &g) const;
	QString determinFileType_(const QString &path, bool mime, std::function<void (const QString &, QByteArray *)> callback) const;
	QString determinFileType(const QString &path, bool mime);
	QString determinFileType(QByteArray in, bool mime);
	QList<Git::Tag> queryTagList();
	int limitLogCount() const;
	TextEditorThemePtr themeForTextEditor();
	Git::Object cat_file_(GitPtr g, const QString &id);
	Git::Object cat_file(const QString &id);
	QString newTempFilePath();
	QString findFileID(GitPtr, const QString &commit_id, const QString &file);
	- void updateFilesList(QString id, QList<Git::Diff> diff_list, QListWidget listwidget);
	+ void updateFilesList(const QString &id, QList<Git::Diff> diff_list, QListWidget listwidget);
	void setAppSettings(const ApplicationSettings &appsettings);

	QIcon getRepositoryIcon() const;
	QIcon getFolderIcon() const;
	QIcon getSignatureGoodIcon() const;
	QIcon getSignatureDubiousIcon() const;
	QIcon getSignatureBadIcon() const;
	QPixmap getTransparentPixmap() const;

	+protected slots:
	+ void onAvatarUpdated();
	public slots:
	void writeLog(const char *ptr, int len);
	void writeLog(const QString &str);
	void writeLog(QByteArray ba);
	signals:
	void signalWriteLog(QByteArray ba);
	void remoteInfoChanged();
	void signalCheckRemoteUpdate();
	};

	#endif // BASICMAINWINDOW_H
	diff --git a/src/BasicRepositoryDialog.h b/src/BasicRepositoryDialog.h
	index 214da49..6b98a98 100644
	--- a/src/BasicRepositoryDialog.h
	+++ b/src/BasicRepositoryDialog.h
	@@ -1,26 +1,26 @@
	#ifndef BASICREPOSITORYDIALOG_H
	#define BASICREPOSITORYDIALOG_H

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

	class QTableWidget;
	class BasicMainWindow;

	class BasicRepositoryDialog : public QDialog {
	public:
	explicit BasicRepositoryDialog(BasicMainWindow *mainwindow, GitPtr g);
	- virtual ~BasicRepositoryDialog();
	+ ~BasicRepositoryDialog() override;
	private:
	struct Private;
	Private *m;
	protected:
	BasicMainWindow *mainwindow();

	GitPtr git();
	QString updateRemotesTable(QTableWidget *tablewidget);

	const QList<Git::Remote> *remotes() const;
	};

	#endif // BASICREPOSITORYDIALOG_H
	diff --git a/src/BigDiffWindow.h b/src/BigDiffWindow.h
	index b24ab3e..b153b64 100644
	--- a/src/BigDiffWindow.h
	+++ b/src/BigDiffWindow.h
	@@ -1,29 +1,28 @@
	#ifndef BIGDIFFWINDOW_H
	#define BIGDIFFWINDOW_H

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

	namespace Ui {
	class BigDiffWindow;
	}

	-class BigDiffWindow : public QDialog
	-{
	+class BigDiffWindow : public QDialog {
	Q_OBJECT
	private:
	struct Private;
	Private *m;
	public:
	- explicit BigDiffWindow(QWidget *parent = 0);
	- ~BigDiffWindow();
	+ explicit BigDiffWindow(QWidget *parent = nullptr);
	+ ~BigDiffWindow() override;

	void init(BasicMainWindow *mw, const FileDiffWidget::InitParam_ &param);
	void setTextCodec(QTextCodec *codec);
	private:
	Ui::BigDiffWindow *ui;
	void updateDiffView();
	};

	#endif // BIGDIFFWINDOW_H
	diff --git a/src/BlameWindow.h b/src/BlameWindow.h
	index 39f3813..9d22930 100644
	--- a/src/BlameWindow.h
	+++ b/src/BlameWindow.h
	@@ -1,50 +1,49 @@
	#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
	-{
	+class BlameWindow : public QDialog {
	Q_OBJECT
	private:
	struct Private;
	Private *m;
	public:
	explicit BlameWindow(MainWindow *parent, QString const &filename, QList<BlameItem> const &list);
	- ~BlameWindow();
	+ ~BlameWindow() override;

	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.h b/src/CheckoutDialog.h
	index 03d9e06..1403dc6 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, QStringList const &tags, QStringList const &local_branches, QStringList const &remote_branches);
	- ~CheckoutDialog();
	+ ~CheckoutDialog() override;

	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(QStringList const &names);
	void clearComboBoxOptions();
	};

	#endif // CHECKOUTDIALOG_H
	diff --git a/src/ClearButton.h b/src/ClearButton.h
	index 22ec954..82e80bf 100644
	--- a/src/ClearButton.h
	+++ b/src/ClearButton.h
	@@ -1,22 +1,16 @@
	#ifndef CLEARBUTTON_H
	#define CLEARBUTTON_H

	#include <QToolButton>

	-class ClearButton : public QToolButton
	-{
	+class ClearButton : public QToolButton {
	Q_OBJECT
	private:
	QPixmap pixmap;
	public:
	- explicit ClearButton(QWidget *parent = 0);
	-
	-signals:
	-
	-public slots:
	-
	+ explicit ClearButton(QWidget *parent = nullptr);
	protected:
	- void paintEvent(QPaintEvent *event);
	+ void paintEvent(QPaintEvent *event) override;
	};

	#endif // CLEARBUTTON_H
	diff --git a/src/CloneDialog.h b/src/CloneDialog.h
	index ccf2284..dc17cfa 100644
	--- a/src/CloneDialog.h
	+++ b/src/CloneDialog.h
	@@ -1,45 +1,45 @@
	#ifndef CLONEDIALOG_H
	#define CLONEDIALOG_H

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

	namespace Ui {
	class CloneDialog;
	}

	class BasicMainWindow;

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

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

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

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

	BasicMainWindow *mainwindow();
	private slots:
	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.h b/src/CommitDialog.h
	index e3d4f1f..dcbbad1 100644
	--- a/src/CommitDialog.h
	+++ b/src/CommitDialog.h
	@@ -1,37 +1,37 @@
	#ifndef COMMITDIALOG_H
	#define COMMITDIALOG_H

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

	#include <QDialog>

	class BasicMainWindow;

	namespace Ui {
	class CommitDialog;
	}

	class CommitDialog : public QDialog {
	Q_OBJECT
	public:
	explicit CommitDialog(BasicMainWindow *parent, QString const &reponame, Git::User const &user, gpg::Data const &key);
	- ~CommitDialog();
	+ ~CommitDialog() override;

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

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

	#endif // COMMITDIALOG_H
	diff --git a/src/CommitExploreWindow.cpp b/src/CommitExploreWindow.cpp
	index 183e0f4..0f28297 100644
	--- a/src/CommitExploreWindow.cpp
	+++ b/src/CommitExploreWindow.cpp
	@@ -1,277 +1,279 @@
	+
	#include "CommitExploreWindow.h"
	#include "ui_CommitExploreWindow.h"
	#include "GitObjectManager.h"
	#include "ImageViewWidget.h"
	#include "MainWindow.h"
	#include "common/misc.h"
	#include "main.h"
	#include "platform.h"
	#include <QFileIconProvider>
	#include <QMenu>
	+#include <memory>

	static QTreeWidgetItem *newQTreeWidgetItem()
	{
	auto *item = new QTreeWidgetItem;
	item->setSizeHint(0, QSize(20, 20));
	return item;
	}

	enum {
	ItemTypeRole = Qt::UserRole,
	ObjectIdRole,
	FilePathRole,
	};

	struct CommitExploreWindow::Private {
	BasicMainWindow *mainwindow;
	GitObjectCache *objcache;
	Git::CommitItem const *commit;
	QString root_tree_id;
	GitTreeItemList tree_item_list;
	Git::Object content_object;
	ObjectContent content;
	TextEditorEnginePtr text_editor_engine;
	};

	CommitExploreWindow::CommitExploreWindow(QWidget parent, BasicMainWindow mainwin, GitObjectCache objcache, const Git::CommitItem commit)
	: QDialog(parent)
	, ui(new Ui::CommitExploreWindow)
	, m(new Private)
	{
	ui->setupUi(this);
	Qt::WindowFlags flags = windowFlags();
	flags &= ~Qt::WindowContextHelpButtonHint;
	flags \|= Qt::WindowMaximizeButtonHint;
	setWindowFlags(flags);

	m->mainwindow = mainwin;

	m->objcache = objcache;
	m->commit = commit;

	- m->text_editor_engine = TextEditorEnginePtr(new TextEditorEngine);
	+ m->text_editor_engine = std::make_shared<TextEditorEngine>();
	ui->widget_fileview->bind(mainwin, nullptr, ui->verticalScrollBar, ui->horizontalScrollBar, mainwin->themeForTextEditor());
	ui->widget_fileview->setDiffMode(m->text_editor_engine, ui->verticalScrollBar, ui->horizontalScrollBar);

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

	// set text
	ui->lineEdit_commit_id->setText(commit->commit_id);
	ui->lineEdit_date->setText(misc::makeDateTimeString(commit->commit_date));
	ui->lineEdit_author->setText(commit->author);

	{
	GitCommit c;
	c.parseCommit(objcache, m->commit->commit_id);
	m->root_tree_id = c.tree_id;
	}

	{
	GitCommitTree tree(objcache);
	tree.parseTree(m->root_tree_id);
	}

	{
	QTreeWidgetItem *rootitem = newQTreeWidgetItem();
	rootitem->setText(0, tr("Commit"));
	rootitem->setData(0, ItemTypeRole, (int)GitTreeItem::TREE);
	rootitem->setData(0, ObjectIdRole, m->root_tree_id);
	ui->treeWidget->addTopLevelItem(rootitem);

	loadTree(m->root_tree_id);

	rootitem->setExpanded(true);
	}
	}

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

	BasicMainWindow *CommitExploreWindow::mainwindow()
	{
	return m->mainwindow;
	}

	void CommitExploreWindow::clearContent()
	{
	m->content = ObjectContent();
	}

	void CommitExploreWindow::expandTreeItem_(QTreeWidgetItem *item)
	{
	if (item->childCount() == 1) {
	if (item->child(0)->text(0).isEmpty()) {
	delete item->takeChild(0);
	}
	}

	if (item->childCount() == 0) {

	QFileIconProvider icons;

	QString path = item->data(0, FilePathRole).toString();

	QString tree_id = item->data(0, ObjectIdRole).toString();
	loadTree(tree_id);

	for (GitTreeItem const &ti : m->tree_item_list) {
	if (ti.type == GitTreeItem::TREE) {
	QTreeWidgetItem *child = newQTreeWidgetItem();
	child->setIcon(0, icons.icon(QFileIconProvider::Folder));
	child->setText(0, ti.name);
	child->setData(0, ItemTypeRole, (int)ti.type);
	child->setData(0, ObjectIdRole, ti.id);
	child->setData(0, FilePathRole, misc::joinWithSlash(path, ti.name));
	QTreeWidgetItem *placeholder = newQTreeWidgetItem();
	child->addChild(placeholder);
	item->addChild(child);
	}
	}
	}
	}

	void CommitExploreWindow::on_treeWidget_itemExpanded(QTreeWidgetItem *item)
	{
	expandTreeItem_(item);
	}

	void CommitExploreWindow::loadTree(QString const &tree_id)
	{
	GitCommitTree tree(m->objcache);
	tree.parseTree(tree_id);

	m->tree_item_list = *tree.treelist();

	std::sort(m->tree_item_list.begin(), m->tree_item_list.end(), [](GitTreeItem const &left, GitTreeItem const &right){
	int l = (left.type == GitTreeItem::TREE) ? 0 : 1;
	int r = (right.type == GitTreeItem::TREE) ? 0 : 1;
	if (l != r) return l < r;
	return left.name.compare(right.name, Qt::CaseInsensitive) < 0;
	});
	}

	void CommitExploreWindow::doTreeItemChanged_(QTreeWidgetItem *current)
	{
	ui->listWidget->clear();

	QString path = current->data(0, FilePathRole).toString();

	QString tree_id = current->data(0, ObjectIdRole).toString();

	loadTree(tree_id);

	QFileIconProvider icons;

	for (GitTreeItem const &ti : m->tree_item_list) {
	QIcon icon;
	if (ti.type == GitTreeItem::TREE) {
	icon = icons.icon(QFileIconProvider::Folder);
	} else {
	#ifdef Q_OS_WIN
	{
	int i = ti.name.lastIndexOf('.');
	if (i > 0) {
	QString ext = ti.name.mid(i + 1);
	icon = winIconFromExtensionLarge(ext);
	}
	}
	#endif
	if (icon.isNull()) {
	icon = icons.icon(QFileIconProvider::File);
	}
	}
	auto *p = new QListWidgetItem;
	p->setIcon(icon);
	p->setText(ti.name);
	p->setData(ItemTypeRole, (int)ti.type);
	p->setData(ObjectIdRole, ti.id);
	p->setData(FilePathRole, misc::joinWithSlash(path, ti.name));
	ui->listWidget->addItem(p);
	}
	}

	void CommitExploreWindow::on_treeWidget_currentItemChanged(QTreeWidgetItem current, QTreeWidgetItem /previous/)
	{
	clearContent();
	doTreeItemChanged_(current);
	}

	void CommitExploreWindow::on_listWidget_itemDoubleClicked(QListWidgetItem *item)
	{
	Q_ASSERT(item);

	GitTreeItem::Type type = (GitTreeItem::Type)item->data(ItemTypeRole).toInt();
	if (type == GitTreeItem::TREE) {
	QString tree_id = item->data(ObjectIdRole).toString();
	clearContent();
	QTreeWidgetItem *parent = ui->treeWidget->currentItem();
	expandTreeItem_(parent);
	parent->setExpanded(true);
	int n = parent->childCount();
	for (int i = 0; i < n; i++) {
	QTreeWidgetItem *child = parent->child(i);
	if (child->data(0, ItemTypeRole).toInt() == GitTreeItem::TREE) {
	QString tid = child->data(0, ObjectIdRole).toString();
	if (tid == tree_id) {
	child->setExpanded(true);
	ui->treeWidget->setCurrentItem(child);
	break;
	}
	}
	}
	}
	}

	void CommitExploreWindow::on_listWidget_currentItemChanged(QListWidgetItem current, QListWidgetItem /previous/)
	{
	if (!current) return;

	GitTreeItem::Type type = (GitTreeItem::Type)current->data(ItemTypeRole).toInt();
	if (type == GitTreeItem::BLOB) {
	QString id = current->data(ObjectIdRole).toString();
	m->content_object = m->objcache->catFile(id);
	QString path = current->data(FilePathRole).toString();
	clearContent();
	QString mimetype = mainwindow()->determinFileType(m->content_object.content, true);
	if (misc::isImage(mimetype)) {
	ui->widget_fileview->setImage(mimetype, m->content_object.content, id, path);
	} else {
	ui->widget_fileview->setText(m->content_object.content, mainwindow(), id, path);
	}
	} else {
	clearContent();
	}
	}

	void CommitExploreWindow::on_verticalScrollBar_valueChanged(int)
	{
	ui->widget_fileview->refrectScrollBar();
	}

	void CommitExploreWindow::on_horizontalScrollBar_valueChanged(int)
	{
	ui->widget_fileview->refrectScrollBar();
	}

	void CommitExploreWindow::on_listWidget_customContextMenuRequested(const QPoint &pos)
	{
	(void)pos;
	QListWidgetItem *current = ui->listWidget->currentItem();
	if (!current) return;
	GitTreeItem::Type type = (GitTreeItem::Type)current->data(ItemTypeRole).toInt();
	if (type == GitTreeItem::BLOB) {
	QMenu menu;
	QAction *a_history = menu.addAction("History");
	QAction *a = menu.exec(QCursor::pos() + QPoint(8, -8));
	if (a) {
	if (a == a_history) {
	QString path = current->data(FilePathRole).toString();
	mainwindow()->execFileHistory(path);
	return;
	}
	}
	}
	}
	diff --git a/src/CommitExploreWindow.h b/src/CommitExploreWindow.h
	index fd4ea7c..2a887e1 100644
	--- a/src/CommitExploreWindow.h
	+++ b/src/CommitExploreWindow.h
	@@ -1,43 +1,42 @@
	#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
	-{
	+class CommitExploreWindow : public QDialog {
	Q_OBJECT
	private:
	Ui::CommitExploreWindow *ui;

	struct Private;
	Private *m;

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

	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 23ffd8c..f6b752a 100644
	--- a/src/CommitPropertyDialog.cpp
	+++ b/src/CommitPropertyDialog.cpp
	@@ -1,169 +1,169 @@
	#include "CommitPropertyDialog.h"
	#include "ui_CommitPropertyDialog.h"
	#include "ApplicationGlobal.h"
	#include "AvatarLoader.h"
	#include "BasicMainWindow.h"
	#include "common/misc.h"
	#include "gpg.h"
	#include "main.h"

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

	void CommitPropertyDialog::init(BasicMainWindow *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, BasicMainWindow 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, BasicMainWindow 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;
	}

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

	-void CommitPropertyDialog::setAvatar(QIcon icon, QLabel *label)
	+void CommitPropertyDialog::setAvatar(QIcon const &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/CommitPropertyDialog.h b/src/CommitPropertyDialog.h
	index 7085d9d..74b9695 100644
	--- a/src/CommitPropertyDialog.h
	+++ b/src/CommitPropertyDialog.h
	@@ -1,46 +1,46 @@
	#ifndef COMMITPROPERTYDIALOG_H
	#define COMMITPROPERTYDIALOG_H

	#include <QDialog>

	#include "Git.h"

	class QLabel;

	namespace Ui {
	class CommitPropertyDialog;
	}

	class BasicMainWindow;

	class CommitPropertyDialog : public QDialog {
	Q_OBJECT
	private:
	struct Private;
	Private *m;
	public:
	explicit CommitPropertyDialog(QWidget parent, BasicMainWindow mw, Git::CommitItem const *commit);
	explicit CommitPropertyDialog(QWidget parent, BasicMainWindow mw, QString const &commit_id);
	- ~CommitPropertyDialog();
	+ ~CommitPropertyDialog() override;

	void showCheckoutButton(bool f);
	void showJumpButton(bool f);
	private slots:

	void on_pushButton_checkout_clicked();

	void on_pushButton_jump_clicked();

	void on_pushButton_details_clicked();

	void on_pushButton_explorer_clicked();

	private:
	Ui::CommitPropertyDialog *ui;
	void init(BasicMainWindow *mw);
	BasicMainWindow *mainwindow();
	- void setAvatar(QIcon icon, QLabel *label);
	+ void setAvatar(const QIcon &icon, QLabel *label);
	void UpdateAvatar(bool request);
	};

	#endif // COMMITPROPERTYDIALOG_H
	diff --git a/src/CommitViewWindow.h b/src/CommitViewWindow.h
	index 20a8e1c..6097663 100644
	--- a/src/CommitViewWindow.h
	+++ b/src/CommitViewWindow.h
	@@ -1,34 +1,33 @@
	#ifndef COMMITVIEWWINDOW_H
	#define COMMITVIEWWINDOW_H

	#include "Git.h"

	#include <QDialog>

	class BasicMainWindow;

	namespace Ui {
	class CommitViewWindow;
	}

	-class CommitViewWindow : public QDialog
	-{
	+class CommitViewWindow : public QDialog {
	Q_OBJECT
	private:
	struct Private;
	Private *m;
	BasicMainWindow *mainwindow();
	public:
	explicit CommitViewWindow(BasicMainWindow parent, Git::CommitItem const commit);
	- ~CommitViewWindow();
	+ ~CommitViewWindow() override;

	private slots:
	void on_listWidget_files_currentRowChanged(int currentRow);

	void on_listWidget_files_customContextMenuRequested(const QPoint &pos);

	private:
	Ui::CommitViewWindow *ui;
	};

	#endif // COMMITVIEWWINDOW_H
	diff --git a/src/ConfigCredentialHelperDialog.h b/src/ConfigCredentialHelperDialog.h
	index 54a7da5..1814711 100644
	--- a/src/ConfigCredentialHelperDialog.h
	+++ b/src/ConfigCredentialHelperDialog.h
	@@ -1,25 +1,24 @@
	#ifndef CONFIGCREDENTIALHELPERDIALOG_H
	#define CONFIGCREDENTIALHELPERDIALOG_H

	#include <QDialog>

	namespace Ui {
	class ConfigCredentialHelperDialog;
	}

	-class ConfigCredentialHelperDialog : public QDialog
	-{
	+class ConfigCredentialHelperDialog : public QDialog {
	Q_OBJECT

	public:
	- explicit ConfigCredentialHelperDialog(QWidget *parent = 0);
	- ~ConfigCredentialHelperDialog();
	+ explicit ConfigCredentialHelperDialog(QWidget *parent = nullptr);
	+ ~ConfigCredentialHelperDialog() override;

	QString helper() const;

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

	#endif // CONFIGCREDENTIALHELPERDIALOG_H
	diff --git a/src/ConfigSigningDialog.h b/src/ConfigSigningDialog.h
	index a2daa62..40bc4d5 100644
	--- a/src/ConfigSigningDialog.h
	+++ b/src/ConfigSigningDialog.h
	@@ -1,37 +1,35 @@
	#ifndef CONFIGSIGNINGDIALOG_H
	#define CONFIGSIGNINGDIALOG_H

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

	#include <QDialog>

	class BasicMainWindow;

	namespace Ui {
	class ConfigSigningDialog;
	}

	-class ConfigSigningDialog : public QDialog
	-{
	+class ConfigSigningDialog : public QDialog {
	Q_OBJECT

	public:
	explicit ConfigSigningDialog(QWidget parent, BasicMainWindow mw, bool local_enable);
	- ~ConfigSigningDialog();
	+ ~ConfigSigningDialog() override;

	private:
	Ui::ConfigSigningDialog *ui;
	BasicMainWindow *mainwindow_;
	BasicMainWindow *mainwindow();
	Git::SignPolicy gpol_;
	Git::SignPolicy lpol_;

	void updateSigningInfo();

	- // QDialog interface
	public slots:
	- void accept();
	+ void accept() override;
	};

	#endif // CONFIGSIGNINGDIALOG_H
	diff --git a/src/CreateRepositoryDialog.h b/src/CreateRepositoryDialog.h
	index 1e19b0b..8156ff3 100644
	--- a/src/CreateRepositoryDialog.h
	+++ b/src/CreateRepositoryDialog.h
	@@ -1,43 +1,42 @@
	#ifndef CREATEREPOSITORYDIALOG_H
	#define CREATEREPOSITORYDIALOG_H

	#include <QDialog>

	namespace Ui {
	class CreateRepositoryDialog;
	}

	class BasicMainWindow;

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

	QString path() const;
	QString name() const;
	QString remoteName() const;
	QString remoteURL() const;
	private slots:
	void on_lineEdit_path_textChanged(QString const &arg1);
	void on_pushButton_browse_path_clicked();
	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);
	BasicMainWindow *mainwindow();

	public slots:
	- void accept();
	+ void accept() override;
	};

	#endif // CREATEREPOSITORYDIALOG_H
	diff --git a/src/DeleteBranchDialog.h b/src/DeleteBranchDialog.h
	index 7834e9d..630a780 100644
	--- a/src/DeleteBranchDialog.h
	+++ b/src/DeleteBranchDialog.h
	@@ -1,30 +1,29 @@
	#ifndef DELETEBRANCHDIALOG_H
	#define DELETEBRANCHDIALOG_H

	#include <QDialog>

	namespace Ui {
	class DeleteBranchDialog;
	}

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

	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/DeleteTagsDialog.h b/src/DeleteTagsDialog.h
	index 11b2c25..b34d787 100644
	--- a/src/DeleteTagsDialog.h
	+++ b/src/DeleteTagsDialog.h
	@@ -1,29 +1,28 @@
	#ifndef DELETETAGSDIALOG_H
	#define DELETETAGSDIALOG_H

	#include "Git.h"

	#include <QDialog>

	namespace Ui {
	class DeleteTagsDialog;
	}

	-class DeleteTagsDialog : public QDialog
	-{
	+class DeleteTagsDialog : public QDialog {
	Q_OBJECT

	public:
	explicit DeleteTagsDialog(QWidget *parent, QList<Git::Tag> const &list);
	- ~DeleteTagsDialog();
	+ ~DeleteTagsDialog() override;

	QStringList selectedTags() const;

	private slots:
	void on_pushButton_check_all_clicked();

	private:
	Ui::DeleteTagsDialog *ui;
	};

	#endif // DELETETAGSDIALOG_H
	diff --git a/src/DialogHeaderFrame.h b/src/DialogHeaderFrame.h
	index 4d3e31c..19a56a5 100644
	--- a/src/DialogHeaderFrame.h
	+++ b/src/DialogHeaderFrame.h
	@@ -1,21 +1,14 @@
	#ifndef DIALOGHEADERFRAME_H
	#define DIALOGHEADERFRAME_H

	#include <QFrame>

	-class DialogHeaderFrame : public QFrame
	-{
	+class DialogHeaderFrame : public QFrame {
	Q_OBJECT
	public:
	explicit DialogHeaderFrame(QWidget *parent = nullptr);
	-
	-signals:
	-
	-public slots:
	-
	- // QWidget interface
	protected:
	void paintEvent(QPaintEvent *);
	};

	#endif // DIALOGHEADERFRAME_H
	diff --git a/src/DirectoryLineEdit.h b/src/DirectoryLineEdit.h
	index d2250ee..2ee124a 100644
	--- a/src/DirectoryLineEdit.h
	+++ b/src/DirectoryLineEdit.h
	@@ -1,24 +1,16 @@
	#ifndef DIRECTORYLINEEDIT_H
	#define DIRECTORYLINEEDIT_H

	#include <QLineEdit>
	#include <QWidget>

	-class DirectoryLineEdit : public QLineEdit
	-{
	+class DirectoryLineEdit : public QLineEdit {
	Q_OBJECT
	public:
	- explicit DirectoryLineEdit(QWidget *parent = 0);
	-
	-signals:
	-
	-public slots:
	-protected:
	- void dragEnterEvent(QDragEnterEvent *event);
	-
	- // QWidget interface
	+ explicit DirectoryLineEdit(QWidget *parent = nullptr);
	protected:
	- void dropEvent(QDropEvent *event);
	+ void dragEnterEvent(QDragEnterEvent *event) override;
	+ void dropEvent(QDropEvent *event) override;
	};

	#endif // DIRECTORYLINEEDIT_H
	diff --git a/src/DoYouWantToInitDialog.h b/src/DoYouWantToInitDialog.h
	index b34fd9f..e80ffa4 100644
	--- a/src/DoYouWantToInitDialog.h
	+++ b/src/DoYouWantToInitDialog.h
	@@ -1,28 +1,24 @@
	#ifndef DOYOUWANTTOINITDIALOG_H
	#define DOYOUWANTTOINITDIALOG_H

	#include <QDialog>

	namespace Ui {
	class DoYouWantToInitDialog;
	}

	class DoYouWantToInitDialog : public QDialog {
	Q_OBJECT
	-
	public:
	explicit DoYouWantToInitDialog(QWidget *parent, QString const &dir);
	- ~DoYouWantToInitDialog();
	+ ~DoYouWantToInitDialog() override;

	private slots:
	void on_radioButton_yes_clicked();
	-
	void on_radioButton_no_clicked();
	-
	void on_pushButton_clicked();
	-
	private:
	Ui::DoYouWantToInitDialog *ui;
	};

	#endif // DOYOUWANTTOINITDIALOG_H
	diff --git a/src/EditGitIgnoreDialog.cpp b/src/EditGitIgnoreDialog.cpp
	index 61ee942..e9374d4 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, QString const &file)
	+EditGitIgnoreDialog::EditGitIgnoreDialog(MainWindow *parent, QString const &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/EditGitIgnoreDialog.h b/src/EditGitIgnoreDialog.h
	index d666bd4..7404699 100644
	--- a/src/EditGitIgnoreDialog.h
	+++ b/src/EditGitIgnoreDialog.h
	@@ -1,31 +1,30 @@
	#ifndef EDITGITIGNOREDIALOG_H
	#define EDITGITIGNOREDIALOG_H

	#include <QDialog>

	class MainWindow;

	namespace Ui {
	class EditGitIgnoreDialog;
	}

	-class EditGitIgnoreDialog : public QDialog
	-{
	+class EditGitIgnoreDialog : public QDialog {
	Q_OBJECT
	private:
	QString gitignore_path;
	public:
	- explicit EditGitIgnoreDialog(MainWindow *parent, QString gitignore_path, QString const &file);
	- ~EditGitIgnoreDialog();
	+ explicit EditGitIgnoreDialog(MainWindow *parent, const QString &gitignore_path, QString const &file);
	+ ~EditGitIgnoreDialog() override;

	QString text() const;

	private slots:
	void on_pushButton_edit_file_clicked();

	private:
	Ui::EditGitIgnoreDialog *ui;
	MainWindow *mainwindow();
	};

	#endif // EDITGITIGNOREDIALOG_H
	diff --git a/src/EditRemoteDialog.h b/src/EditRemoteDialog.h
	index 07d8386..52d8cfd 100644
	--- a/src/EditRemoteDialog.h
	+++ b/src/EditRemoteDialog.h
	@@ -1,37 +1,36 @@
	#ifndef EDITREMOTEDIALOG_H
	#define EDITREMOTEDIALOG_H

	#include <QDialog>

	class BasicMainWindow;

	namespace Ui {
	class EditRemoteDialog;
	}

	class EditRemoteDialog : public QDialog {
	Q_OBJECT
	public:
	enum Operation {
	RemoteAdd,
	RemoteSet,
	};
	+private:
	+ Ui::EditRemoteDialog *ui;
	+ BasicMainWindow *mainwindow();
	public:
	explicit EditRemoteDialog(BasicMainWindow *parent, Operation op);
	- ~EditRemoteDialog();
	+ ~EditRemoteDialog() override;

	void setName(QString const &s) const;
	void setUrl(QString const &s) const;

	QString name() const;
	QString url() const;
	- int exec();
	+ int exec() override;
	private slots:
	void on_pushButton_test_clicked();
	-
	-private:
	- Ui::EditRemoteDialog *ui;
	- BasicMainWindow *mainwindow();
	};

	#endif // EDITREMOTEDIALOG_H
	diff --git a/src/EditTagsDialog.h b/src/EditTagsDialog.h
	index 909d7ef..3485858 100644
	--- a/src/EditTagsDialog.h
	+++ b/src/EditTagsDialog.h
	@@ -1,34 +1,33 @@
	#ifndef EDITTAGSDIALOG_H
	#define EDITTAGSDIALOG_H

	#include "Git.h"

	#include <QDialog>

	class MainWindow;

	namespace Ui {
	class EditTagsDialog;
	}

	-class EditTagsDialog : public QDialog
	-{
	+class EditTagsDialog : public QDialog {
	Q_OBJECT
	private:
	Ui::EditTagsDialog *ui;
	Git::CommitItem const *commit_;
	private:
	QStringList selectedTags();
	MainWindow *mainwindow();
	QList<Git::Tag> queryTagList();
	void updateTagList();
	public:
	explicit EditTagsDialog(MainWindow parent, Git::CommitItem const commit);
	- ~EditTagsDialog();
	+ ~EditTagsDialog() override;

	private slots:
	void on_pushButton_add_clicked();
	void on_pushButton_delete_clicked();
	};

	#endif // EDITTAGSDIALOG_H
	diff --git a/src/ExperimentDialog.h b/src/ExperimentDialog.h
	index d1cb7f9..6046636 100644
	--- a/src/ExperimentDialog.h
	+++ b/src/ExperimentDialog.h
	@@ -1,24 +1,19 @@
	#ifndef EXPERIMENTDIALOG_H
	#define EXPERIMENTDIALOG_H

	#include <QDialog>

	namespace Ui {
	class ExperimentDialog;
	}

	-class ExperimentDialog : public QDialog
	-{
	+class ExperimentDialog : public QDialog {
	Q_OBJECT
	-
	public:
	- explicit ExperimentDialog(QWidget *parent = 0);
	- ~ExperimentDialog();
	-
	-private slots:
	-
	+ explicit ExperimentDialog(QWidget *parent = nullptr);
	+ ~ExperimentDialog() override;
	private:
	Ui::ExperimentDialog *ui;
	};

	#endif // EXPERIMENTDIALOG_H
	diff --git a/src/FileDiffSliderWidget.h b/src/FileDiffSliderWidget.h
	index aed3e87..f6ffd80 100644
	--- a/src/FileDiffSliderWidget.h
	+++ b/src/FileDiffSliderWidget.h
	@@ -1,54 +1,53 @@
	#ifndef FILEDIFFSLIDERWIDGET_H
	#define FILEDIFFSLIDERWIDGET_H

	#include "MainWindow.h"

	#include <QWidget>
	#include <QPixmap>
	#include <functional>

	#include "AbstractCharacterBasedApplication.h"
	#include "Theme.h"

	-typedef Document::Line TextDiffLine;
	-typedef QList<Document::Line> TextDiffLineList;
	+using TextDiffLine = Document::Line;
	+using TextDiffLineList = QList<Document::Line>;

	enum class DiffPane {
	Left,
	Right,
	};

	typedef std::function<QPixmap(DiffPane pane, int width, int height)> fn_pixmap_maker_t;

	-class FileDiffSliderWidget : public QWidget
	-{
	+class FileDiffSliderWidget : public QWidget {
	Q_OBJECT
	private:
	struct Private;
	Private *m;

	void scroll_(int pos);
	QPixmap makeDiffPixmap(DiffPane pane, int width, int height);
	void setValue(int v);
	void internalSetValue(int v);
	public:
	- explicit FileDiffSliderWidget(QWidget *parent = 0);
	- ~FileDiffSliderWidget();
	+ explicit FileDiffSliderWidget(QWidget *parent = nullptr);
	+ ~FileDiffSliderWidget() override;

	void clear(bool v);
	void setScrollPos(int total, int value, int size);
	void init(fn_pixmap_maker_t pixmap_maker, ThemePtr theme);
	void updatePixmap();
	static QPixmap makeDiffPixmap(int width, int height, const TextDiffLineList &lines, ThemePtr theme);
	protected:
	- void paintEvent(QPaintEvent *);
	- void resizeEvent(QResizeEvent *);
	- void mousePressEvent(QMouseEvent *);
	- void mouseMoveEvent(QMouseEvent *);
	- void wheelEvent(QWheelEvent *event);
	+ void paintEvent(QPaintEvent *) override;
	+ void resizeEvent(QResizeEvent *) override;
	+ void mousePressEvent(QMouseEvent *) override;
	+ void mouseMoveEvent(QMouseEvent *) override;
	+ void wheelEvent(QWheelEvent *event) override;
	signals:
	void valueChanged(int value);
	void scrollByWheel(int lines);
	};

	#endif // FILEDIFFSLIDERWIDGET_H
	diff --git a/src/FileDiffWidget.h b/src/FileDiffWidget.h
	index 23398fc..6695ab9 100644
	--- a/src/FileDiffWidget.h
	+++ b/src/FileDiffWidget.h
	@@ -1,167 +1,170 @@
	#ifndef FILEDIFFWIDGET_H
	#define FILEDIFFWIDGET_H

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

	namespace Ui {
	class FileDiffWidget;
	}

	enum class ViewType {
	None,
	Left,
	Right
	};

	-typedef Document::Line TextDiffLine;
	-typedef QList<Document::Line> TextDiffLineList;
	+using TextDiffLine = Document::Line;
	+using TextDiffLineList = QList<Document::Line>;

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

	class QTableWidgetItem;

	-class FileDiffWidget : public QWidget
	-{
	+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());
	+ left = std::make_shared<ObjectContent>();
	+ right = std::make_shared<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, 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(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_(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_(QByteArray const &ba);
	QString diffObjects(GitPtr g, QString const &a_id, QString const &b_id);
	BasicMainWindow *mainwindow();
	protected:
	- void resizeEvent(QResizeEvent *);
	- void keyPressEvent(QKeyEvent *event);
	+ void resizeEvent(QResizeEvent *) override;
	+ void keyPressEvent(QKeyEvent *event) override;
	public:
	- explicit FileDiffWidget(QWidget *parent = 0);
	- ~FileDiffWidget();
	+ explicit FileDiffWidget(QWidget *parent = nullptr);
	+ ~FileDiffWidget() override;

	void bind(BasicMainWindow *mw);

	void clearDiffView();

	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, 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(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.h b/src/FileHistoryWindow.h
	index 2daf4a0..2d0a268 100644
	--- a/src/FileHistoryWindow.h
	+++ b/src/FileHistoryWindow.h
	@@ -1,49 +1,48 @@
	#ifndef FILEHISTORYWINDOW_H
	#define FILEHISTORYWINDOW_H

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

	namespace Ui {
	class FileHistoryWindow;
	}

	class BasicMainWindow;
	class QTableWidgetItem;

	-class FileHistoryWindow : public QDialog
	-{
	+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(BasicMainWindow *parent);
	- ~FileHistoryWindow();
	+ ~FileHistoryWindow() override;

	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();
	BasicMainWindow *mainwindow();
	};

	#endif // FILEHISTORYWINDOW_H
	diff --git a/src/FilePropertyDialog.h b/src/FilePropertyDialog.h
	index 4f8ed43..11a71b6 100644
	--- a/src/FilePropertyDialog.h
	+++ b/src/FilePropertyDialog.h
	@@ -1,25 +1,25 @@
	#ifndef FILEPROPERTYDIALOG_H
	#define FILEPROPERTYDIALOG_H

	#include <QDialog>

	namespace Ui {
	class FilePropertyDialog;
	}

	class BasicMainWindow;

	class FilePropertyDialog : public QDialog {
	Q_OBJECT
	private:
	BasicMainWindow *mainwindow;
	public:
	- explicit FilePropertyDialog(QWidget *parent = 0);
	- ~FilePropertyDialog();
	+ explicit FilePropertyDialog(QWidget *parent = nullptr);
	+ ~FilePropertyDialog() override;

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

	#endif // FILEPROPERTYDIALOG_H
	diff --git a/src/Git.h b/src/Git.h
	index df8d557..b3d17f7 100644
	--- a/src/Git.h
	+++ b/src/Git.h
	@@ -1,485 +1,479 @@
	#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;
	-
	+using NamedCommitList = QList<NamedCommitItem>;

	class Git;
	-typedef std::shared_ptr<Git> GitPtr;
	+using GitPtr = std::shared_ptr<Git>;

	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() = default;
	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, 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;
	+ using CommitItemList = std::vector<CommitItem>;

	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() = default;

	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;
	+ using FileStatusList = std::vector<FileStatus>;

	static QString trimPath(QString const &s);

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

	- typedef bool (callback_t)(void cookie, char const *ptr, int len);
	+ using callback_t = bool ()(void , const char *, int);

	void setLogCallback(callback_t func, void *cookie);

	QByteArray toQByteArray() const;
	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(QString const &repo);
	QString const &workingRepositoryDir() const;

	QString getCurrentBranchName();
	bool isValidWorkingCopy() const;
	QString version();
	bool init();
	QStringList getUntrackedFiles();
	CommitItemList log_all(QString const &id, int maxcount);
	CommitItemList log(int maxcount);
	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(QString const &id, QByteArray *out);
	void resetFile(QString const &path);
	void resetAllFiles();

	void removeFile(QString const &path);

	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 pull(AbstractPtyProcess *pty = nullptr);

	- void fetch(AbstractPtyProcess *pty = 0);
	+ void fetch(AbstractPtyProcess *pty = nullptr);

	QList<Branch> branches();

	int getProcessExitCode() const;

	QString diff(QString const &old_id, QString const &new_id);
	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(QString const &old_id, QString const &new_id);

	static bool isValidID(QString const &s);

	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);
	+ bool push(bool tags, AbstractPtyProcess *pty = nullptr);
	void getRemoteURLs(QList<Remote> *out);
	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(QString const &name);
	QList<Tag> tags();
	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(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;
	+ using ReflogItemList = QList<ReflogItem>;

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

	enum SignPolicy {
	Unset,
	False,
	True,
	};
	QString signingKey(Source purpose);
	bool setSigningKey(QString const &id, bool global);
	SignPolicy signPolicy(Source source);
	bool setSignPolicy(Source source, SignPolicy policy);
	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 537e003..420adbd 100644
	--- a/src/GitDiff.cpp
	+++ b/src/GitDiff.cpp
	@@ -1,458 +1,458 @@
	#include "GitDiff.h"

	#include <QDebug>
	#include <QThread>
	#include "BasicMainWindow.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(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)
	+bool GitDiff::diff(QString const &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_(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(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(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(QString const &tree_id)
	{
	parse_tree_(objcache, tree_id, QString(), &root_item_list);
	}

	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, 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 f3e6054..36a9aeb 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;
	+ using MapList = std::list<LookupTable>;

	GitPtr git();

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

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

	void interrupt()
	{
	interrupted = true;
	}

	public:
	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(QString const &path);


	};

	#endif // GITDIFF_H
	diff --git a/src/GitHubAPI.h b/src/GitHubAPI.h
	index b049683..8616b4e 100644
	--- a/src/GitHubAPI.h
	+++ b/src/GitHubAPI.h
	@@ -1,62 +1,62 @@
	#ifndef GITHUBAPI_H
	#define GITHUBAPI_H

	#include <QImage>
	#include <QThread>
	#include <string>
	#include <functional>
	#include <memory>

	class WebContext;
	class WebClient;

	class GitHubAPI {
	public:
	- typedef std::shared_ptr<WebClient> WebClientPtr;
	+ using WebClientPtr = std::shared_ptr<WebClient>;

	struct User {
	std::string login;
	std::string avatar_url;
	std::string name;
	std::string email;
	};

	struct SearchResultItem {
	std::string full_name;
	std::string description;
	std::string ssh_url;
	std::string clone_url;
	std::string html_url;
	double score = 0;
	};

	WebContext *webcx;

	GitHubAPI(WebContext *webcx)
	: webcx(webcx)
	{
	}

	QList<GitHubAPI::SearchResultItem> searchRepository(const std::string &q);
	};


	class GitHubRequestThread : public QThread {
	private:
	struct Private;
	Private *m;
	protected:
	- void run();
	+ void run() override;
	public:
	GitHubAPI::WebClientPtr web();
	public:
	GitHubRequestThread();
	- ~GitHubRequestThread();
	+ ~GitHubRequestThread() override;
	std::string url;
	bool ok = false;
	std::string text;
	std::function<bool(std::string const &text)> callback;
	void start(WebContext *webcx);
	};

	#endif // GITHUBAPI_H
	diff --git a/src/GitObjectManager.cpp b/src/GitObjectManager.cpp
	index 04e01d6..04494b6 100644
	--- a/src/GitObjectManager.cpp
	+++ b/src/GitObjectManager.cpp
	@@ -1,389 +1,388 @@
	+
	#include "GitObjectManager.h"
	#include "Git.h"
	#include "common/joinpath.h"
	#include "common/misc.h"
	#include <QBuffer>
	#include <QDebug>
	#include <QDirIterator>
	#include <QFile>
	+#include <memory>

	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());
	+ GitPackIdxPtr idx = std::make_shared<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)
	+bool GitObjectManager::loadPackedObject(GitPackIdxPtr const &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;
	+ return GitPack::load(packfile, item, out);
	}

	-bool GitObjectManager::extractObjectFromPackFile(GitPackIdxPtr idx, GitPackIdxItem const item, GitPack::Object out)
	+bool GitObjectManager::extractObjectFromPackFile(GitPackIdxPtr const &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(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(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(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, 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 21b6b71..86c7a5d 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;
	+using GitPtr = std::shared_ptr<Git>;

	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);
	+ static bool loadPackedObject(const GitPackIdxPtr &idx, QIODevice packfile, const GitPackIdxItem item, GitPack::Object *out);
	+ bool extractObjectFromPackFile(const GitPackIdxPtr &idx, const GitPackIdxItem item, GitPack::Object out);
	bool extractObjectFromPackFile(QString const &id, QByteArray out, Git::Object::Type type);
	void loadIndexes();
	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(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;
	+ using ItemPtr = std::shared_ptr<Item>;
	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(QString const &name);
	Git::Object catFile(QString const &id);
	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;
	+using GitTreeItemList = QList<GitTreeItem>;

	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(QString const &file, GitTreeItem *out);

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

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

	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 319ecc0..42e5757 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 <cstdint>
	#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;
	+ auto 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(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.h b/src/GitPackIdxV2.h
	index 22b39e1..791bfe9 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 <cstdint>
	#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(QString const &idxpath);
	GitPackIdxItem const *item(QString const &id) const;
	GitPackIdxItem const *item(size_t offset) const;
	};

	-typedef std::shared_ptr<GitPackIdxV2> GitPackIdxPtr;
	+using GitPackIdxPtr = std::shared_ptr<GitPackIdxV2>;

	#endif // GITPACKIDXV2_H
	diff --git a/src/HyperLinkLabel.h b/src/HyperLinkLabel.h
	index f18bb07..6f7da5a 100644
	--- a/src/HyperLinkLabel.h
	+++ b/src/HyperLinkLabel.h
	@@ -1,24 +1,17 @@
	#ifndef HYPERLINKLABEL_H
	#define HYPERLINKLABEL_H

	#include <QLabel>

	-class HyperLinkLabel : public QLabel
	-{
	+class HyperLinkLabel : public QLabel {
	Q_OBJECT
	public:
	- explicit HyperLinkLabel(QWidget *parent = 0);
	-
	- void paintEvent(QPaintEvent *);
	-
	- void mousePressEvent(QMouseEvent *e);
	- void mouseReleaseEvent(QMouseEvent *e);
	-
	+ explicit HyperLinkLabel(QWidget *parent = nullptr);
	+ void paintEvent(QPaintEvent *) override;
	+ void mousePressEvent(QMouseEvent *e) override;
	+ void mouseReleaseEvent(QMouseEvent *e) override;
	signals:
	void clicked();
	-
	-public slots:
	-
	};

	#endif // HYPERLINKLABEL_H
	diff --git a/src/ImageViewWidget.cpp b/src/ImageViewWidget.cpp
	index d76c548..791a14b 100644
	--- a/src/ImageViewWidget.cpp
	+++ b/src/ImageViewWidget.cpp
	@@ -1,376 +1,373 @@
	-#include <memory>

	#include "ImageViewWidget.h"
	#include "FileDiffSliderWidget.h"
	#include "FileDiffWidget.h"
	-
	#include "MainWindow.h"
	-#include "common/misc.h"
	-#include "common/joinpath.h"
	-#include "Photoshop.h"
	#include "MemoryReader.h"
	+#include "Photoshop.h"
	#include "charvec.h"
	-
	-#include <math.h>
	-#include <functional>
	-
	+#include "common/joinpath.h"
	+#include "common/misc.h"
	+#include <QBuffer>
	#include <QDebug>
	#include <QFileDialog>
	#include <QMenu>
	#include <QPainter>
	-#include <QWheelEvent>
	#include <QSvgRenderer>
	-#include <QBuffer>
	+#include <QWheelEvent>
	+#include <cmath>
	+#include <functional>
	+#include <memory>

	using SvgRendererPtr = std::shared_ptr<QSvgRenderer>;

	struct ImageViewWidget::Private {
	BasicMainWindow *mainwindow = nullptr;
	FileDiffWidget *filediffwidget = nullptr;
	FileDiffWidget::DrawData *draw_data = nullptr;
	QScrollBar *v_scroll_bar = nullptr;
	QScrollBar *h_scroll_bar = nullptr;
	QString mime_type;

	QPixmap pixmap;
	SvgRendererPtr svg;

	double image_scroll_x = 0;
	double image_scroll_y = 0;
	double image_scale = 1;
	double scroll_origin_x = 0;
	double scroll_origin_y = 0;
	QPoint mouse_press_pos;
	int wheel_delta = 0;
	QPointF interest_pos;
	int top_margin = 1;
	int bottom_margin = 1;
	bool draw_left_border = true;

	#ifndef APP_GUITAR
	QPixmap transparent_pixmap;
	#endif
	};

	ImageViewWidget::ImageViewWidget(QWidget *parent)
	: QWidget(parent)
	, m(new Private)
	{
	#if defined(Q_OS_WIN32)
	setFont(QFont("MS Gothic"));
	#elif defined(Q_OS_LINUX)
	setFont(QFont("Monospace"));
	#elif defined(Q_OS_MAC)
	setFont(QFont("Menlo"));
	#endif

	setContextMenuPolicy(Qt::DefaultContextMenu);
	}

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

	void ImageViewWidget::bind(BasicMainWindow mainwindow, FileDiffWidget filediffwidget, QScrollBar vsb, QScrollBar hsb)
	{
	m->mainwindow = mainwindow;
	m->filediffwidget = filediffwidget;
	m->v_scroll_bar = vsb;
	m->h_scroll_bar = hsb;
	}

	bool ImageViewWidget::hasFocus() const
	{
	QWidget *w = qApp->focusWidget();
	return w && w != m->filediffwidget && w->isAncestorOf(this);
	}

	void ImageViewWidget::setLeftBorderVisible(bool f)
	{
	m->draw_left_border = f;
	}

	void ImageViewWidget::internalScrollImage(double x, double y)
	{
	m->image_scroll_x = x;
	m->image_scroll_y = y;
	QSizeF sz = imageScrollRange();
	if (m->image_scroll_x < 0) m->image_scroll_x = 0;
	if (m->image_scroll_y < 0) m->image_scroll_y = 0;
	if (m->image_scroll_x > sz.width()) m->image_scroll_x = sz.width();
	if (m->image_scroll_y > sz.height()) m->image_scroll_y = sz.height();
	update();
	}

	void ImageViewWidget::scrollImage(double x, double y)
	{
	internalScrollImage(x, y);

	if (m->h_scroll_bar) {
	m->h_scroll_bar->blockSignals(true);
	m->h_scroll_bar->setValue((int)m->image_scroll_x);
	m->h_scroll_bar->blockSignals(false);
	}
	if (m->v_scroll_bar) {
	m->v_scroll_bar->blockSignals(true);
	m->v_scroll_bar->setValue((int)m->image_scroll_y);
	m->v_scroll_bar->blockSignals(false);
	}
	}

	void ImageViewWidget::refrectScrollBar()
	{
	double e = 0.75;
	double x = m->h_scroll_bar->value();
	double y = m->v_scroll_bar->value();
	if (fabs(x - m->image_scroll_x) < e) x = m->image_scroll_x; // 差が小さいときは値を維持する
	if (fabs(y - m->image_scroll_y) < e) y = m->image_scroll_y;
	internalScrollImage(x, y);
	}

	void ImageViewWidget::clear()
	{
	m->mime_type = QString();
	m->pixmap = QPixmap();
	setMouseTracking(false);
	update();
	}

	QString ImageViewWidget::formatText(Document::Line const &line)
	{
	QByteArray const &ba = line.text;
	if (ba.isEmpty()) return QString();
	std::vector<char> vec;
	vec.reserve(ba.size() + 100);
	char const *begin = ba.data();
	char const *end = begin + ba.size();
	char const *ptr = begin;
	int x = 0;
	while (ptr < end) {
	if (*ptr == '\t') {
	do {
	vec.push_back(' ');
	x++;
	} while ((x % 4) != 0);
	ptr++;
	} else {
	vec.push_back(*ptr);
	ptr++;
	x++;
	}
	}
	return QString::fromUtf8(&vec[0], vec.size());
	}

	QSizeF ImageViewWidget::imageScrollRange() const
	{
	QSize sz = imageSize();
	int w = int(sz.width() * m->image_scale);
	int h = int(sz.height() * m->image_scale);
	return QSize(w, h);
	}

	void ImageViewWidget::setScrollBarRange(QScrollBar h, QScrollBar v)
	{
	h->blockSignals(true);
	v->blockSignals(true);
	QSizeF sz = imageScrollRange();
	h->setRange(0, (int)sz.width());
	v->setRange(0, (int)sz.height());
	h->setPageStep(width());
	v->setPageStep(height());
	h->blockSignals(false);
	v->blockSignals(false);
	}

	void ImageViewWidget::updateScrollBarRange()
	{
	setScrollBarRange(m->h_scroll_bar, m->v_scroll_bar);
	}

	BasicMainWindow *ImageViewWidget::mainwindow()
	{
	return m->mainwindow;
	}

	QBrush ImageViewWidget::getTransparentBackgroundBrush()
	{
	#ifdef APP_GUITAR
	return mainwindow()->getTransparentPixmap();
	#else
	if (m->transparent_pixmap.isNull()) {
	m->transparent_pixmap = QPixmap(":/image/transparent.png");
	}
	return m->transparent_pixmap;
	#endif
	}

	bool ImageViewWidget::isValidImage() const
	{
	return !m->pixmap.isNull() \|\| (m->svg && m->svg->isValid());
	}

	QSize ImageViewWidget::imageSize() const
	{
	if (!m->pixmap.isNull()) return m->pixmap.size();
	if (m->svg && m->svg->isValid()) return m->svg->defaultSize();
	return QSize();
	}

	void ImageViewWidget::paintEvent(QPaintEvent *)
	{
	QPainter pr(this);

	QSize imagesize = imageSize();
	if (imagesize.width() > 0 && imagesize.height() > 0) {
	pr.save();
	if (!m->draw_left_border) {
	pr.setClipRect(1, 0, width() - 1, height());
	}
	double cx = width() / 2.0;
	double cy = height() / 2.0;
	double x = cx - m->image_scroll_x;
	double y = cy - m->image_scroll_y;
	QSizeF sz = imageScrollRange();
	if (sz.width() > 0 && sz.height() > 0) {
	QBrush br = getTransparentBackgroundBrush();
	pr.setBrushOrigin((int)x, (int)y);
	pr.fillRect((int)x, (int)y, (int)sz.width(), (int)sz.height(), br);
	if (!m->pixmap.isNull()) {
	pr.drawPixmap((int)x, (int)y, (int)sz.width(), (int)sz.height(), m->pixmap, 0, 0, imagesize.width(), imagesize.height());
	} else if (m->svg && m->svg->isValid()) {
	m->svg->render(&pr, QRectF(x, y, sz.width(), sz.height()));
	}
	}
	misc::drawFrame(&pr, (int)x - 1, (int)y - 1, (int)sz.width() + 2, (int)sz.height() + 2, Qt::black);
	pr.restore();
	}

	if (m->draw_left_border) {
	pr.fillRect(0, 0, 1, height(), QColor(160, 160, 160));
	}

	if (hasFocus()) {
	misc::drawFrame(&pr, 0, 0, width(), height(), QColor(0, 128, 255, 128));
	misc::drawFrame(&pr, 1, 1, width() - 2, height() - 2, QColor(0, 128, 255, 64));
	}
	}

	void ImageViewWidget::resizeEvent(QResizeEvent *)
	{
	updateScrollBarRange();
	}

	void ImageViewWidget::setImage(QString mimetype, QByteArray const &ba)
	{
	if (mimetype.isEmpty()) {
	mimetype = "image/x-unknown";
	}

	setMouseTracking(true);

	m->pixmap = QPixmap();
	m->svg = SvgRendererPtr();
	if (!ba.isEmpty()) {
	if (misc::isSVG(mimetype)) {
	m->svg = std::make_shared<QSvgRenderer>(ba);
	} else if (misc::isPSD(mimetype)) {
	if (!ba.isEmpty()) {
	MemoryReader reader(ba.data(), ba.size());
	if (reader.open(QIODevice::ReadOnly)) {
	std::vector<char> jpeg;
	photoshop::readThumbnail(&reader, &jpeg);
	if (!jpeg.empty()) {
	m->pixmap.loadFromData((uchar const *)&jpeg[0], jpeg.size());
	}
	}
	}
	} else {
	m->pixmap.loadFromData(ba);
	}
	}
	QSize sz = imageSize();
	double sx = sz.width();
	double sy = sz.height();
	if (sx > 0 && sy > 0) {
	sx = width() / sx;
	sy = height() / sy;
	m->image_scale = (sx < sy ? sx : sy) * 0.9;
	}
	updateScrollBarRange();

	m->h_scroll_bar->blockSignals(true);
	m->v_scroll_bar->blockSignals(true);
	m->h_scroll_bar->setValue(m->h_scroll_bar->maximum() / 2);
	m->v_scroll_bar->setValue(m->v_scroll_bar->maximum() / 2);
	m->h_scroll_bar->blockSignals(false);
	m->v_scroll_bar->blockSignals(false);
	refrectScrollBar();
	}

	void ImageViewWidget::mousePressEvent(QMouseEvent *e)
	{
	if (e->button() == Qt::LeftButton) {
	QPoint pos = mapFromGlobal(QCursor::pos());
	m->mouse_press_pos = pos;
	m->scroll_origin_x = m->image_scroll_x;
	m->scroll_origin_y = m->image_scroll_y;
	}
	}

	void ImageViewWidget::mouseMoveEvent(QMouseEvent *e)
	{
	if (isValidImage()) {
	QPoint pos = mapFromGlobal(QCursor::pos());
	if ((e->buttons() & Qt::LeftButton) && hasFocus()) {
	int delta_x = pos.x() - m->mouse_press_pos.x();
	int delta_y = pos.y() - m->mouse_press_pos.y();
	scrollImage(m->scroll_origin_x - delta_x, m->scroll_origin_y - delta_y);
	}
	double cx = width() / 2.0;
	double cy = height() / 2.0;
	double x = (pos.x() + 0.5 - cx + m->image_scroll_x) / m->image_scale;
	double y = (pos.y() + 0.5 - cy + m->image_scroll_y) / m->image_scale;
	m->interest_pos = QPointF(x, y);
	m->wheel_delta = 0;
	}
	}

	void ImageViewWidget::setImageScale(double scale)
	{
	if (scale < 1 / 32.0) scale = 1 / 32.0;
	if (scale > 32) scale = 32;
	m->image_scale = scale;
	}

	void ImageViewWidget::wheelEvent(QWheelEvent *e)
	{
	if (isValidImage()) {
	double scale = 1;
	const double mul = 1.189207115; // sqrt(sqrt(2))
	m->wheel_delta += e->delta();
	while (m->wheel_delta >= 120) {
	m->wheel_delta -= 120;
	scale *= mul;
	}
	while (m->wheel_delta <= -120) {
	m->wheel_delta += 120;
	scale /= mul;
	}
	setImageScale(m->image_scale * scale);
	updateScrollBarRange();

	double cx = width() / 2.0;
	double cy = height() / 2.0;
	QPoint pos = mapFromGlobal(QCursor::pos());
	double dx = m->interest_pos.x() * m->image_scale + cx - (pos.x() + 0.5);
	double dy = m->interest_pos.y() * m->image_scale + cy - (pos.y() + 0.5);
	scrollImage(dx, dy);

	update();
	}
	}



	diff --git a/src/ImageViewWidget.h b/src/ImageViewWidget.h
	index b5756a6..562fd17 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:
	BasicMainWindow *mainwindow();
	- void resizeEvent(QResizeEvent *);
	- void paintEvent(QPaintEvent *);
	- void mousePressEvent(QMouseEvent *event);
	- void mouseMoveEvent(QMouseEvent *event);
	- void wheelEvent(QWheelEvent *);
	+ void resizeEvent(QResizeEvent *) override;
	+ void paintEvent(QPaintEvent *) override;
	+ void mousePressEvent(QMouseEvent *event) override;
	+ void mouseMoveEvent(QMouseEvent *event) override;
	+ void wheelEvent(QWheelEvent *) override;
	public:
	- explicit ImageViewWidget(QWidget *parent = 0);
	- ~ImageViewWidget();
	+ explicit ImageViewWidget(QWidget *parent = nullptr);
	+ ~ImageViewWidget() override;

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

	void clear();

	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/InputNewTagDialog.h b/src/InputNewTagDialog.h
	index 501332c..85bce2f 100644
	--- a/src/InputNewTagDialog.h
	+++ b/src/InputNewTagDialog.h
	@@ -1,23 +1,22 @@
	#ifndef INPUTNEWTAGDIALOG_H
	#define INPUTNEWTAGDIALOG_H

	#include <QDialog>

	namespace Ui {
	class InputNewTagDialog;
	}

	-class InputNewTagDialog : public QDialog
	-{
	+class InputNewTagDialog : public QDialog {
	Q_OBJECT

	public:
	- explicit InputNewTagDialog(QWidget *parent = 0);
	- ~InputNewTagDialog();
	+ explicit InputNewTagDialog(QWidget *parent = nullptr);
	+ ~InputNewTagDialog() override;

	QString text() const;
	private:
	Ui::InputNewTagDialog *ui;
	};

	#endif // INPUTNEWTAGDIALOG_H
	diff --git a/src/JumpDialog.cpp b/src/JumpDialog.cpp
	index ea651e0..7cb6ea2 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();
	+ auto *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();
	+ auto *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(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 e17f0c7..bb5c8d8 100644
	--- a/src/JumpDialog.h
	+++ b/src/JumpDialog.h
	@@ -1,51 +1,50 @@
	#ifndef JUMPDIALOG_H
	#define JUMPDIALOG_H

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

	namespace Ui {
	class JumpDialog;
	}

	class QTableWidgetItem;

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

	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(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.h b/src/LineEditDialog.h
	index 5e0e906..e1ddecd 100644
	--- a/src/LineEditDialog.h
	+++ b/src/LineEditDialog.h
	@@ -1,21 +1,20 @@
	#ifndef LINEEDITDIALOG_H
	#define LINEEDITDIALOG_H

	#include <QDialog>

	namespace Ui {
	class LineEditDialog;
	}

	-class LineEditDialog : public QDialog
	-{
	+class LineEditDialog : public QDialog {
	Q_OBJECT
	public:
	explicit LineEditDialog(QWidget *parent, QString const &title, QString const &prompt, QString const &val, bool password);
	- ~LineEditDialog();
	+ ~LineEditDialog() override;
	QString text() const;
	private:
	Ui::LineEditDialog *ui;
	};

	#endif // LINEEDITDIALOG_H
	diff --git a/src/LogTableWidget.cpp b/src/LogTableWidget.cpp
	index b303a4d..8188930 100644
	--- a/src/LogTableWidget.cpp
	+++ b/src/LogTableWidget.cpp
	@@ -1,334 +1,334 @@
	#include "LogTableWidget.h"
	#include <QDebug>
	#include <QEvent>
	#include <QPainter>
	#include <QProxyStyle>
	#include <cmath>
	#include "MainWindow.h"
	#include <QApplication>
	#include "MyTableWidgetDelegate.h"
	#include "common/misc.h"

	struct LogTableWidget::Private {
	};

	class LogTableWidgetDelegate : public MyTableWidgetDelegate {
	private:
	MainWindow *mainwindow() const
	{
	- LogTableWidget w = dynamic_cast<LogTableWidget >(QStyledItemDelegate::parent());
	+ auto w = dynamic_cast<LogTableWidget >(QStyledItemDelegate::parent());
	Q_ASSERT(w);
	return w->mainwindow();
	}

	static QColor labelColor(int kind)
	{
	switch (kind) {
	case BasicMainWindow::Label::Head: return QColor(255, 192, 224); // blue
	case BasicMainWindow::Label::LocalBranch: return QColor(192, 224, 255); // blue
	case BasicMainWindow::Label::RemoteBranch: return QColor(192, 240, 224); // green
	case BasicMainWindow::Label::Tag: return QColor(255, 224, 192); // orange
	}
	return QColor(224, 224, 224); // gray
	}

	static QColor hiliteColor(QColor const &color)
	{
	int r = color.red();
	int g = color.green();
	int b = color.blue();
	r = 255 - (255 - r) / 2;
	g = 255 - (255 - g) / 2;
	b = 255 - (255 - b) / 2;
	return QColor(r, g, b);
	}

	static QColor shadowColor(QColor const &color)
	{
	return QColor(color.red() / 2, color.green() / 2, color.blue() / 2);
	}

	void drawSignatureIcon(QPainter *painter, const QStyleOptionViewItem &opt, const QModelIndex &index) const
	{
	if (!opt.widget->isEnabled()) return;

	Git::CommitItem const *commit = mainwindow()->commitItem(index.row());
	QIcon icon = mainwindow()->verifiedIcon(commit->signature);
	if (!icon.isNull()) {
	QRect r = opt.rect.adjusted(6, 3, 0, -3);
	int h = r.height();
	int w = h;
	int x = r.x() + r.width() - w;
	int y = r.y();
	icon.paint(painter, x, y, w, h);
	}
	}

	void drawAvatar(QPainter *painter, const QStyleOptionViewItem &opt, const QModelIndex &index) const
	{
	if (!opt.widget->isEnabled()) return;

	int row = index.row();
	QIcon icon = mainwindow()->committerIcon(row);
	if (!icon.isNull()) {
	int h = opt.rect.height();
	int w = h;
	int x = opt.rect.x() + opt.rect.width() - w;
	int y = opt.rect.y();

	painter->save();
	painter->setOpacity(0.5); // 半透明で描画
	icon.paint(painter, x, y, w, h);
	painter->restore();
	}
	}

	void drawDescription(QPainter *painter, const QStyleOptionViewItem &opt, const QModelIndex &index) const
	{
	int row = index.row();
	QList<BasicMainWindow::Label> const *labels = mainwindow()->label(row);
	if (labels) {
	painter->save();
	painter->setRenderHint(QPainter::Antialiasing);
	QFontMetrics fm = painter->fontMetrics();
	const int space = 8;
	int x = opt.rect.x() + opt.rect.width() - 3;
	int x1 = x;
	int y0 = opt.rect.y();
	int y1 = y0 + opt.rect.height() - 1;
	int i = labels->size();
	while (i > 0) {
	i--;
	BasicMainWindow::Label const &label = labels->at(i);
	QString text = misc::abbrevBranchName(label.text);
	int w = fm.size(0, text).width() + space * 2;
	int x0 = x1 - w;
	QRect r(x0, y0, x1 - x0, y1 - y0);
	painter->setPen(Qt::NoPen);
	auto DrawRect = [&](int dx, int dy, QColor color){
	painter->setBrush(color);
	painter->drawRoundedRect(r.adjusted(lround(dx + 3), lround(dy + 3), lround(dx - 3), lround(dy - 3)), 3, 3);
	};
	QColor color = labelColor(label.kind);
	QColor hilite = hiliteColor(color);
	QColor shadow = shadowColor(color);
	DrawRect(-1, -1, hilite);
	DrawRect(1, 1, shadow);
	DrawRect(0, 0, color);
	painter->setPen(Qt::black);
	painter->setBrush(Qt::NoBrush);
	qApp->style()->drawItemText(painter, r.adjusted(space, 0, 0, 0), opt.displayAlignment, opt.palette, true, text);
	x1 = x0;
	}
	painter->restore();
	}
	}

	public:
	explicit LogTableWidgetDelegate(QObject *parent = Q_NULLPTR)
	: MyTableWidgetDelegate(parent)
	{
	}
	void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override
	{
	MyTableWidgetDelegate::paint(painter, option, index);

	// signatureの描画
	if (index.column() == 1) {
	drawSignatureIcon(painter, option, index);
	}

	// avatarの描画
	if (index.column() == 3) {
	drawAvatar(painter, option, index);
	}

	// Descriptionの描画
	if (index.column() == 4) {
	drawDescription(painter, option, index);
	}
	}
	};

	LogTableWidget::LogTableWidget(QWidget *parent)
	: QTableWidget(parent)
	, m(new Private)
	{
	setItemDelegate(new LogTableWidgetDelegate(this));
	}

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

	MainWindow *LogTableWidget::mainwindow()
	{
	MainWindow mw = qobject_cast<MainWindow >(window());
	Q_ASSERT(mw);
	return mw;
	}

	void drawBranch(QPainterPath *path, double x0, double y0, double x1, double y1, double r, bool bend_early)
	{
	const double k = 0.55228475;
	if (x0 == x1) {
	path->moveTo(x0, y0);
	path->lineTo(x1, y1);
	} else {
	double ym = bend_early ? (y0 + r) : (y1 - r);
	double h = fabs(y1 - y0);
	double w = fabs(x1 - x0);
	if (r > h / 2) r = h / 2;
	if (r > w / 2) r = w / 2;
	double s = r;
	if (x0 > x1) r = -r;
	if (y0 > y1) s = -s;

	if (0) {
	path->moveTo(x0, y0);
	path->lineTo(x0, ym - s);
	path->cubicTo(x0, ym - s + s * k, x0 + r - r * k, ym, x0 + r, ym);
	path->lineTo(x1 - r, ym);
	path->cubicTo(x1 - r + r * k, ym, x1, ym + s - s * k, x1, ym + s);
	path->lineTo(x1, y1);
	} else {
	if (bend_early) {
	path->moveTo(x0, y0);
	path->cubicTo(x0, ym, x1, ym, x1, ym + ym - y0);
	path->lineTo(x1, y1);
	} else {
	path->moveTo(x0, y0);
	path->lineTo(x0, ym + ym - y1);
	path->cubicTo(x0, ym, x1, ym, x1, y1);
	}
	}
	}
	}

	void LogTableWidget::paintEvent(QPaintEvent *e)
	{
	if (rowCount() < 1) return;

	QTableWidget::paintEvent(e);

	QPainter pr(viewport());
	pr.setRenderHint(QPainter::Antialiasing);
	pr.setBrush(QBrush(QColor(255, 255, 255)));

	Git::CommitItemList const *list = &mainwindow()->getLogs();

	int indent_span = 16;

	auto ItemRect = [&](int row){
	QRect r;
	QTableWidgetItem *p = item(row, 0);
	if (p) {
	r = visualItemRect(p);
	}
	return r;
	};

	int line_width = 2;

	auto ItemPoint = [&](int depth, QRect const &rect){
	int h = rect.height();
	double n = h / 2.0;
	double x = floor(rect.x() + n + depth * indent_span);
	double y = floor(rect.y() + n);
	return QPointF(x, y);
	};

	auto SetPen = [&](QPainter pr, int level, bool /continued*/){
	QColor c = mainwindow()->color(level + 1);
	Qt::PenStyle s = Qt::SolidLine;
	pr->setPen(QPen(c, line_width, s));
	};

	auto DrawLine = [&](size_t index, int itemrow){
	QRect rc1;
	if (index < list->size()) {
	Git::CommitItem const &item1 = list->at(index);
	rc1 = ItemRect(itemrow);
	QPointF pt1 = ItemPoint(item1.marker_depth, rc1);
	double halfheight = rc1.height() / 2.0;
	for (TreeLine const &line : item1.parent_lines) {
	if (line.depth >= 0) {
	QPainterPath *path = nullptr;
	Git::CommitItem const &item2 = list->at(line.index);
	QRect rc2 = ItemRect(line.index);
	if (index + 1 == (size_t)line.index \|\| line.depth == item1.marker_depth \|\| line.depth == item2.marker_depth) {
	QPointF pt2 = ItemPoint(line.depth, rc2);
	if (pt2.y() > 0) {
	path = new QPainterPath();
	drawBranch(path, pt1.x(), pt1.y(), pt2.x(), pt2.y(), halfheight, line.bend_early);
	}
	} else {
	QPointF pt3 = ItemPoint(item2.marker_depth, rc2);
	if (pt3.y() > 0) {
	path = new QPainterPath();
	QRect rc3 = ItemRect(itemrow + 1);
	QPointF pt2 = ItemPoint(line.depth, rc3);
	drawBranch(path, pt1.x(), pt1.y(), pt2.x(), pt2.y(), halfheight, true);
	drawBranch(path, pt2.x(), pt2.y(), pt3.x(), pt3.y(), halfheight, false);
	}
	}
	if (path) {
	SetPen(&pr, line.color_number, false);
	pr.drawPath(*path);
	delete path;
	}
	}
	}
	}
	return rc1.y();
	};

	auto DrawMark = [&](size_t index, int row){
	double x, y;
	y = 0;
	if (index < list->size()) {
	Git::CommitItem const &item = list->at(index);
	QRect rc = ItemRect(row);
	QPointF pt = ItemPoint(item.marker_depth, rc);
	double r = 4;
	x = pt.x() - r;
	y = pt.y() - r;
	SetPen(&pr, item.marker_depth, false);
	if (item.resolved) {
	// ◯
	pr.drawEllipse((int)x, (int)y, int(r * 2), int(r * 2));
	} else {
	// ▽
	QPainterPath path;
	path.moveTo(pt.x(), pt.y() + r);
	path.lineTo(pt.x() - r, pt.y() - r);
	path.lineTo(pt.x() + r, pt.y() - r);
	path.lineTo(pt.x(), pt.y() + r);
	pr.drawPath(path);
	}
	}
	return y;
	};

	// draw lines

	pr.setOpacity(0.5);
	pr.setBrush(Qt::NoBrush);

	for (size_t i = 0; i < list->size(); i++) {
	double y = DrawLine(i, i);
	if (y >= height()) break;
	}

	// draw marks

	pr.setOpacity(1);
	pr.setBrush(mainwindow()->color(0));

	for (size_t i = 0; i < list->size(); i++) {
	double y = DrawMark(i, i);
	if (y >= height()) break;
	}
	}

	diff --git a/src/LogTableWidget.h b/src/LogTableWidget.h
	index 07b2acf..1e3fa75 100644
	--- a/src/LogTableWidget.h
	+++ b/src/LogTableWidget.h
	@@ -1,24 +1,23 @@
	#ifndef LOGTABLEWIDGET_H
	#define LOGTABLEWIDGET_H

	#include <QTableWidget>

	class MainWindow;
	class LogTableWidgetDelegate;

	-class LogTableWidget : public QTableWidget
	-{
	+class LogTableWidget : public QTableWidget {
	Q_OBJECT
	friend class LogTableWidgetDelegate;
	private:
	struct Private;
	Private *m;
	MainWindow *mainwindow();
	public:
	- explicit LogTableWidget(QWidget *parent = 0);
	- ~LogTableWidget();
	+ explicit LogTableWidget(QWidget *parent = nullptr);
	+ ~LogTableWidget() override;
	protected:
	- void paintEvent(QPaintEvent *);
	+ void paintEvent(QPaintEvent *) override;
	};

	#endif // LOGTABLEWIDGET_H
	diff --git a/src/MainWindow.h b/src/MainWindow.h
	index d47b803..d93870a 100644
	--- a/src/MainWindow.h
	+++ b/src/MainWindow.h
	@@ -1,195 +1,193 @@
	#ifndef MAINWINDOW_H
	#define MAINWINDOW_H

	#include "BasicMainWindow.h"

	namespace Ui {
	class MainWindow;
	}

	class QTableWidgetItem;

	class HunkItem {
	public:
	int hunk_number = -1;
	size_t pos, len;
	std::vector<std::string> lines;
	};

	class MainWindow : public BasicMainWindow {
	Q_OBJECT
	friend class ImageViewWidget;
	friend class FileDiffSliderWidget;
	friend class FileHistoryWindow;
	friend class FileDiffWidget;
	friend class AboutDialog;
	private:
	struct Private;
	Private *m;
	public:
	- explicit MainWindow(QWidget *parent = 0);
	- ~MainWindow();
	+ explicit MainWindow(QWidget *parent = nullptr);
	+ ~MainWindow() override;

	QPixmap const &digitsPixmap() const;

	- QString currentWorkingCopyDir() const;
	+ QString currentWorkingCopyDir() const override;

	QColor color(unsigned int i);
	private:
	Ui::MainWindow *ui;

	- void updateFilesList(QString id, bool wait);
	+ void updateFilesList(QString id, bool wait) override;
	void updateFilesList(const Git::CommitItem &commit, bool wait);
	- void updateRepositoriesList();
	+ void updateRepositoriesList() override;

	- void openRepository_(GitPtr g);
	+ void openRepository_(GitPtr g) override;

	void prepareLogTableWidget();
	QStringList selectedFiles_(QListWidget *listwidget) const;
	QStringList selectedFiles() const;
	void for_each_selected_files(std::function<void (QString const &)> fn);
	void updateCommitGraph();
	void showFileList(FilesListType files_list_type);

	void clearLog();
	- void clearFileList();
	+ void clearFileList() override;
	void clearDiffView();
	void clearRepositoryInfo();

	int repositoryIndex_(const QTreeWidgetItem *item) const;
	RepositoryItem const repositoryItem(const QTreeWidgetItem item) const;

	- int selectedLogIndex() const;
	+ int selectedLogIndex() const override;
	QTreeWidgetItem *newQTreeWidgetFolderItem(QString const &name);
	void buildRepoTree(QString const &group, QTreeWidgetItem item, QList<RepositoryItem> repos);
	void refrectRepositories();

	void updateDiffView(QListWidgetItem *item);
	void updateDiffView();
	void updateUnstagedFileCurrentItem();
	void updateStagedFileCurrentItem();
	void updateStatusBarText();
	- void setRepositoryInfo(QString const &reponame, QString const &brname);
	+ void setRepositoryInfo(QString const &reponame, QString const &brname) override;
	int indexOfRepository(const QTreeWidgetItem *treeitem) const;
	void clearRepoFilter();
	void appendCharToRepoFilter(ushort c);
	void backspaceRepoFilter();
	void revertCommit();
	void cherrypick(const Git::CommitItem *commit);
	void mergeBranch(const Git::CommitItem *commit);
	void rebaseBranch(const Git::CommitItem *commit);
	void detectGitServerType(GitPtr g);
	void setRemoteOnline(bool f);
	- bool isRemoteOnline() const;
	+ bool isRemoteOnline() const override;
	void startTimers();
	void onCloneCompleted(bool success);
	bool fetch(GitPtr g);
	void setNetworkingCommandsEnabled(bool f);
	void blame(QListWidgetItem *item);
	void blame();
	QListWidgetItem *currentFileItem() const;
	void execAreYouSureYouWantToContinueConnectingDialog();
	void deleteRemoteBranch(const Git::CommitItem *commit);
	QStringList remoteBranches(QString const &id);
	void rebaseOnto();
	void setWatchRemoteInterval(int mins);
	protected:
	- void dragEnterEvent(QDragEnterEvent *event);
	- void timerEvent(QTimerEvent *);
	- void keyPressEvent(QKeyEvent *event);
	- bool event(QEvent *event);
	- bool eventFilter(QObject watched, QEvent event);
	+ void dragEnterEvent(QDragEnterEvent *event) override;
	+ void timerEvent(QTimerEvent *) override;
	+ void keyPressEvent(QKeyEvent *event) override;
	+ bool event(QEvent *event) override;
	+ bool eventFilter(QObject watched, QEvent event) override;
	public:
	void drawDigit(QPainter *pr, int x, int y, int n) const;
	int digitWidth() const;
	int digitHeight() const;
	void setStatusBarText(QString const &text);
	void clearStatusBarText();
	- void setCurrentLogRow(int row);
	+ void setCurrentLogRow(int row) override;
	bool shown();
	- void deleteTags(QStringList const &tagnames);
	+ void deleteTags(QStringList const &tagnames) override;
	bool addTag(QString const &name);
	void updateCurrentFilesList();
	-//public slots:
	-// void setRemoteChanged(bool f);
	private slots:
	void doUpdateButton();
	void onLogVisibilityChanged();
	void onPtyProcessCompleted();
	void onRepositoriesTreeDropped();
	void on_action_about_triggered();
	void on_action_clone_triggered();
	void on_action_commit_triggered();
	void on_action_create_a_repository_triggered();
	void on_action_delete_branch_triggered();
	void on_action_delete_remote_branch_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_edit_tags_triggered();
	void on_action_exit_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_rebase_onto_triggered();
	void on_action_reflog_triggered();
	void on_action_repo_checkout_triggered();
	void on_action_repo_jump_triggered();
	void on_action_repository_property_triggered();
	void on_action_reset_HEAD_1_triggered();
	void on_action_set_config_user_triggered();
	void on_action_set_gpg_signing_triggered();
	void on_action_stop_process_triggered();
	void on_action_tag_push_all_triggered();
	void on_action_test_triggered();
	void on_action_view_refresh_triggered();
	void on_action_window_log_triggered(bool checked);
	void on_horizontalScrollBar_log_valueChanged(int);
	void on_lineEdit_filter_textChanged(QString const &text);
	void on_listWidget_files_currentRowChanged(int currentRow);
	void on_listWidget_files_customContextMenuRequested(const QPoint &pos);
	void on_listWidget_files_itemDoubleClicked(QListWidgetItem *item);
	void on_listWidget_staged_currentRowChanged(int currentRow);
	void on_listWidget_staged_customContextMenuRequested(const QPoint &pos);
	void on_listWidget_staged_itemDoubleClicked(QListWidgetItem *item);
	void on_listWidget_unstaged_currentRowChanged(int currentRow);
	void on_listWidget_unstaged_customContextMenuRequested(const QPoint &pos);
	void on_listWidget_unstaged_itemDoubleClicked(QListWidgetItem *item);
	void on_radioButton_remote_offline_clicked();
	void on_radioButton_remote_online_clicked();
	void on_tableWidget_log_currentItemChanged(QTableWidgetItem current, QTableWidgetItem previous);
	void on_tableWidget_log_customContextMenuRequested(const QPoint &pos);
	void on_tableWidget_log_itemDoubleClicked(QTableWidgetItem *);
	void on_toolButton_clone_clicked();
	void on_toolButton_commit_clicked();
	void on_toolButton_erase_filter_clicked();
	void on_toolButton_explorer_clicked();
	void on_toolButton_fetch_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_stop_process_clicked();
	void on_toolButton_terminal_clicked();
	void on_toolButton_unstage_clicked();
	void on_treeWidget_repos_currentItemChanged(QTreeWidgetItem current, QTreeWidgetItem previous);
	void on_treeWidget_repos_customContextMenuRequested(const QPoint &pos);
	void on_treeWidget_repos_itemDoubleClicked(QTreeWidgetItem *item, int column);
	void on_verticalScrollBar_log_valueChanged(int);
	void on_action_push_u_triggered();
	protected:
	- void closeEvent(QCloseEvent *event);
	- virtual void internalWriteLog(const char *ptr, int len);
	- const RepositoryItem *selectedRepositoryItem() const;
	- void removeSelectedRepositoryFromBookmark(bool ask);
	+ void closeEvent(QCloseEvent *event) override;
	+ void internalWriteLog(const char *ptr, int len) override;
	+ const RepositoryItem *selectedRepositoryItem() const override;
	+ void removeSelectedRepositoryFromBookmark(bool ask) override;
	protected slots:
	void onLogIdle();
	signals:
	void signalSetRemoteChanged(bool f);
	void onEscapeKeyPressed();
	void updateButton();
	};

	#endif // MAINWINDOW_H
	diff --git a/src/MaximizeButton.h b/src/MaximizeButton.h
	index 9df2728..cf7caa0 100644
	--- a/src/MaximizeButton.h
	+++ b/src/MaximizeButton.h
	@@ -1,16 +1,16 @@
	#ifndef MAXIMIZEBUTTON_H
	#define MAXIMIZEBUTTON_H

	#include <QToolButton>

	class MaximizeButton : public QToolButton {
	Q_OBJECT
	private:
	QPixmap pixmap;
	public:
	- explicit MaximizeButton(QWidget *parent = 0);
	+ explicit MaximizeButton(QWidget *parent = nullptr);
	protected:
	- void paintEvent(QPaintEvent *event);
	+ void paintEvent(QPaintEvent *event) override;
	};

	#endif // MAXIMIZEBUTTON_H
	diff --git a/src/MemoryReader.cpp b/src/MemoryReader.cpp
	index 7c3112a..97d6e79 100644
	--- a/src/MemoryReader.cpp
	+++ b/src/MemoryReader.cpp
	@@ -1,91 +1,88 @@
	#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;
	+ return begin && begin < end;
	}

	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(char const * /data/, qint64 /len/)
	{
	return 0;
	}
	diff --git a/src/MemoryReader.h b/src/MemoryReader.h
	index d8ecc5a..20bd0e1 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);
	+ MemoryReader(char const *ptr = nullptr, 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);
	+ bool isSequential() const override;
	+ bool open(OpenMode mode) override;
	+ qint64 pos() const override;
	+ qint64 size() const override;
	+ bool seek(qint64 pos) override;
	+ bool atEnd() const override;
	+ bool reset() override;
	+ qint64 bytesToWrite() const override;
	+ bool canReadLine() const override;
	+ bool waitForReadyRead(int msecs) override;
	+ bool waitForBytesWritten(int msecs) override;
	protected:
	- virtual qint64 readData(char *data, qint64 maxlen);
	- virtual qint64 writeData(char const *data, qint64 len);
	+ qint64 readData(char *data, qint64 maxlen) override;
	+ qint64 writeData(char const *data, qint64 len) override;
	};

	#endif // MEMORYREADER_H
	diff --git a/src/MenuButton.h b/src/MenuButton.h
	index d7d9122..ab8fbaa 100644
	--- a/src/MenuButton.h
	+++ b/src/MenuButton.h
	@@ -1,16 +1,16 @@
	#ifndef MENUBUTTON_H
	#define MENUBUTTON_H

	#include <QToolButton>

	class MenuButton : public QToolButton {
	Q_OBJECT
	private:
	QPixmap pixmap;
	public:
	explicit MenuButton(QWidget *parent = nullptr);
	protected:
	- void paintEvent(QPaintEvent *event);
	+ void paintEvent(QPaintEvent *event) override;
	};

	#endif // MENUBUTTON_H
	diff --git a/src/MergeBranchDialog.h b/src/MergeBranchDialog.h
	index 6e555f9..53d17a3 100644
	--- a/src/MergeBranchDialog.h
	+++ b/src/MergeBranchDialog.h
	@@ -1,24 +1,22 @@
	#ifndef MERGEBRANCHDIALOG_H
	#define MERGEBRANCHDIALOG_H

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

	namespace Ui {
	class MergeBranchDialog;
	}

	-class MergeBranchDialog : public QDialog
	-{
	+class MergeBranchDialog : public QDialog {
	Q_OBJECT
	-
	public:
	explicit MergeBranchDialog(QWidget *parent, QList<Git::Branch> const &branches);
	- ~MergeBranchDialog();
	+ ~MergeBranchDialog() override;

	QString branchName() const;
	private:
	Ui::MergeBranchDialog *ui;
	};

	#endif // MERGEBRANCHDIALOG_H
	diff --git a/src/MyProcess.h b/src/MyProcess.h
	index 367600c..a3f996b 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;
	+using Process = Win32Process;
	+using PtyProcess = Win32PtyProcess;
	#else
	#include "unix/UnixProcess.h"
	#include "unix/UnixPtyProcess.h"
	-typedef UnixProcess Process;
	-typedef UnixPtyProcess PtyProcess;
	+using Process = UnixProcess;
	+using PtyProcess = UnixPtyProcess;
	#endif

	class misc2 {
	public:
	static int runCommand(QString const &cmd, QByteArray *out);
	static int runCommand(QString const &cmd, const QByteArray in, QByteArray out);
	};

	#endif // MYPROCESS_H
	diff --git a/src/MySettings.h b/src/MySettings.h
	index 3249fc3..da8733d 100644
	--- a/src/MySettings.h
	+++ b/src/MySettings.h
	@@ -1,18 +1,12 @@
	#ifndef MYSETTINGS_H
	#define MYSETTINGS_H

	#include <QSettings>

	-class MySettings : public QSettings
	-{
	+class MySettings : public QSettings {
	Q_OBJECT
	public:
	- explicit MySettings(QObject *parent = 0);
	-
	-signals:
	-
	-public slots:
	-
	+ explicit MySettings(QObject *parent = nullptr);
	};

	#endif // MYSETTINGS_H
	diff --git a/src/MyTableWidgetDelegate.h b/src/MyTableWidgetDelegate.h
	index 96ccbc0..5c963e8 100644
	--- a/src/MyTableWidgetDelegate.h
	+++ b/src/MyTableWidgetDelegate.h
	@@ -1,14 +1,13 @@
	#ifndef MYTABLEWIDGETDELEGATE_H
	#define MYTABLEWIDGETDELEGATE_H

	#include <QStyledItemDelegate>


	class MyTableWidgetDelegate : public QStyledItemDelegate {
	-
	public:
	- explicit MyTableWidgetDelegate(QObject *parent = Q_NULLPTR);
	- void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
	+ explicit MyTableWidgetDelegate(QObject *parent = nullptr);
	+ void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
	};

	#endif // MYTABLEWIDGETDELEGATE_H
	diff --git a/src/MyTextEditorWidget.h b/src/MyTextEditorWidget.h
	index 7b309d3..616e828 100644
	--- a/src/MyTextEditorWidget.h
	+++ b/src/MyTextEditorWidget.h
	@@ -1,22 +1,20 @@
	#ifndef MYTEXTEDITORWIDGET_H
	#define MYTEXTEDITORWIDGET_H

	#include "texteditor/TextEditorWidget.h"

	class BasicMainWindow;

	class MyTextEditorWidget : public TextEditorWidget {
	private:
	BasicMainWindow *mainwindow;
	QString object_id;
	QString object_path;
	public:
	- MyTextEditorWidget(QWidget *parent = 0);
	-
	- // QWidget interface
	+ MyTextEditorWidget(QWidget *parent = nullptr);
	void setDocument(const QList<Document::Line> source, BasicMainWindow mw, QString const &object_id, QString const &object_path);
	protected:
	- void contextMenuEvent(QContextMenuEvent *event);
	+ void contextMenuEvent(QContextMenuEvent *event) override;
	};

	#endif // MYTEXTEDITORWIDGET_H
	diff --git a/src/MyToolButton.h b/src/MyToolButton.h
	index e2435e9..55dc412 100644
	--- a/src/MyToolButton.h
	+++ b/src/MyToolButton.h
	@@ -1,31 +1,26 @@
	#ifndef MYTOOLBUTTON_H
	#define MYTOOLBUTTON_H

	#include <QToolButton>

	-class MyToolButton : public QToolButton
	-{
	+class MyToolButton : public QToolButton {
	Q_OBJECT
	public:
	enum Indicator {
	None,
	Dot,
	Number,
	};
	private:
	Indicator indicator = None;
	int number = -1;
	void setIndicatorMode(Indicator i);
	public:
	- explicit MyToolButton(QWidget *parent = 0);
	+ explicit MyToolButton(QWidget *parent = nullptr);
	void setNumber(int n);
	void setDot(bool f);
	-signals:
	-
	-public slots:
	-
	protected:
	- void paintEvent(QPaintEvent *event);
	+ void paintEvent(QPaintEvent *event) override;
	};

	#endif // MYTOOLBUTTON_H
	diff --git a/src/Photoshop.cpp b/src/Photoshop.cpp
	index 2d2a1bc..12c9941 100644
	--- a/src/Photoshop.cpp
	+++ b/src/Photoshop.cpp
	@@ -1,112 +1,112 @@
	#include "Photoshop.h"

	-#include <stdint.h>
	-#include <stdio.h>
	+#include <cstdint>
	+#include <cstdio>
	#include <vector>

	namespace {

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

	inline uint16_t read_uint16_be(void const *p)
	{
	auto const q = (uint8_t const )p;
	return (q[0] << 8) \| q[1];
	}

	-}
	+} // namespace

	void photoshop::readThumbnail(QIODevice in, std::vector<char> jpeg)
	{
	jpeg->clear();

	struct FileHeader {
	char sig[4];
	char ver[2];
	char reserved[6];
	char channels[2];
	char height[4];
	char width[4];
	char depth[2];
	char colormode[2];
	};
	FileHeader fh;
	in->read((char *)&fh, sizeof(FileHeader));

	if (memcmp(fh.sig, "8BPS", 4) == 0) {
	char tmp[4];
	uint32_t len;
	in->read(tmp, 4);
	len = read_uint32_be(tmp);
	in->seek(in->pos() + len);
	in->read(tmp, 4);
	len = read_uint32_be(tmp);

	while (1) {
	struct ImageResourceHeader {
	char sig[4];
	char id[2];
	};
	ImageResourceHeader irh;
	in->read((char *)&irh, sizeof(ImageResourceHeader));
	if (memcmp(irh.sig, "8BIM", 4) == 0) {
	std::vector<char> name;
	while (1) {
	char c;
	if (in->read(&c, 1) != 1) break;
	if (c == 0) {
	if ((name.size() & 1) == 0) {
	if (in->read(&c, 1) != 1) break;
	}
	break;
	}
	name.push_back(c);
	}

	in->read(tmp, 4);
	len = read_uint32_be(tmp);

	qint64 pos = in->pos();

	uint16_t resid = read_uint16_be(irh.id);
	if (resid == 0x0409 \|\| resid == 0x040c) {
	struct ThumbnailResourceHeader {
	uint32_t format;
	uint32_t width;
	uint32_t height;
	uint32_t widthbytes;
	uint32_t totalsize;
	uint32_t size_after_compression;
	uint16_t bits_per_pixel;
	uint16_t num_of_planes;
	};
	ThumbnailResourceHeader trh;
	in->read((char *)&trh, sizeof(ThumbnailResourceHeader));
	if (read_uint32_be(&trh.format) == 1) {
	uint32_t size_after_compression = read_uint32_be(&trh.size_after_compression);
	if (size_after_compression < 1000000) {
	jpeg->resize(size_after_compression);
	char *ptr = &jpeg->at(0);
	if (in->read(ptr, size_after_compression) == size_after_compression) {
	// ok
	} else {
	jpeg->clear();
	}
	}
	}
	break;
	}

	if (len & 1) len++;
	in->seek(pos + len);
	} else {
	break;
	}
	}
	}
	}

	diff --git a/src/Photoshop.h b/src/Photoshop.h
	index a175b6e..4926e60 100644
	--- a/src/Photoshop.h
	+++ b/src/Photoshop.h
	@@ -1,13 +1,13 @@
	#ifndef PHOTOSHOP_H
	#define PHOTOSHOP_H

	#include <vector>
	#include <QIODevice>

	namespace photoshop {

	void readThumbnail(QIODevice in, std::vector<char> jpeg);

	-}
	+} // namespace

	#endif // PHOTOSHOP_H
	diff --git a/src/PushDialog.h b/src/PushDialog.h
	index 011ddc8..48f1d98 100644
	--- a/src/PushDialog.h
	+++ b/src/PushDialog.h
	@@ -1,48 +1,39 @@
	#ifndef PUSHDIALOG_H
	#define PUSHDIALOG_H

	#include <QDialog>

	namespace Ui {
	class PushDialog;
	}

	-class PushDialog : public QDialog
	-{
	+class PushDialog : public QDialog {
	Q_OBJECT
	+private:
	+ Ui::PushDialog *ui;
	public:
	struct RemoteBranch {
	QString remote;
	QString branch;
	- RemoteBranch()
	- {
	- }
	+ RemoteBranch() = default;
	RemoteBranch(QString const &r, QString const &b)
	: remote(r)
	, branch(b)
	{
	}
	};
	public:
	explicit PushDialog(QWidget *parent, QStringList const &remotes, QStringList const &branches, RemoteBranch const &remote_branch);
	- ~PushDialog();
	+ ~PushDialog() override;

	enum Action {
	PushSimple,
	PushSetUpstream,
	};

	Action action() const;
	QString remote() const;
	QString branch() const;
	-
	-private slots:
	-#if 0
	- void on_radioButton_push_simply_clicked();
	- void on_radioButton_push_set_upstream_clicked();
	-#endif
	-private:
	- Ui::PushDialog *ui;
	};

	#endif // PUSHDIALOG_H
	diff --git a/src/ReadOnlyLineEdit.h b/src/ReadOnlyLineEdit.h
	index a039d12..feba2a0 100644
	--- a/src/ReadOnlyLineEdit.h
	+++ b/src/ReadOnlyLineEdit.h
	@@ -1,17 +1,14 @@
	#ifndef READONLYLINEEDIT_H
	#define READONLYLINEEDIT_H

	#include <QLineEdit>

	-class ReadOnlyLineEdit : public QLineEdit
	-{
	+class ReadOnlyLineEdit : public QLineEdit {
	public:
	- ReadOnlyLineEdit(QWidget *parent = 0);
	-
	+ ReadOnlyLineEdit(QWidget *parent = nullptr);
	void setText(QString const &text);
	- // QWidget interface
	protected:
	- void paintEvent(QPaintEvent *event);
	+ void paintEvent(QPaintEvent *event) override;
	};

	#endif // READONLYLINEEDIT_H
	diff --git a/src/ReadOnlyPlainTextEdit.h b/src/ReadOnlyPlainTextEdit.h
	index 5cfad93..5cd9ba4 100644
	--- a/src/ReadOnlyPlainTextEdit.h
	+++ b/src/ReadOnlyPlainTextEdit.h
	@@ -1,20 +1,14 @@
	#ifndef READONLYPLAINTEXTEDIT_H
	#define READONLYPLAINTEXTEDIT_H

	#include <QPlainTextEdit>

	-class ReadOnlyPlainTextEdit : public QPlainTextEdit
	-{
	+class ReadOnlyPlainTextEdit : public QPlainTextEdit {
	Q_OBJECT
	-public:
	- explicit ReadOnlyPlainTextEdit(QWidget *parent = 0);
	-
	-signals:
	-
	-public slots:
	-
	protected:
	- void mousePressEvent(QMouseEvent *event);
	+ void mousePressEvent(QMouseEvent *event) override;
	+public:
	+ explicit ReadOnlyPlainTextEdit(QWidget *parent = nullptr);
	};

	#endif // READONLYPLAINTEXTEDIT_H
	diff --git a/src/RebaseOntoDialog.h b/src/RebaseOntoDialog.h
	index 15dcb18..39f10ea 100644
	--- a/src/RebaseOntoDialog.h
	+++ b/src/RebaseOntoDialog.h
	@@ -1,24 +1,23 @@
	#ifndef REBASEONTODIALOG_H
	#define REBASEONTODIALOG_H

	#include <QDialog>

	namespace Ui {
	class RebaseOntoDialog;
	}

	-class RebaseOntoDialog : public QDialog
	-{
	+class RebaseOntoDialog : public QDialog {
	Q_OBJECT
	private:
	Ui::RebaseOntoDialog *ui;
	public:
	explicit RebaseOntoDialog(QWidget *parent = nullptr);
	- ~RebaseOntoDialog();
	+ ~RebaseOntoDialog() override;
	int exec(QString const &newbase, QString const &upstream, QString const &branch);
	QString newbase() const;
	QString upstream() const;
	QString branch() const;
	};

	#endif // REBASEONTODIALOG_H
	diff --git a/src/ReflogWindow.h b/src/ReflogWindow.h
	index 925b578..e1db28c 100644
	--- a/src/ReflogWindow.h
	+++ b/src/ReflogWindow.h
	@@ -1,41 +1,39 @@
	#ifndef REFLOGWINDOW_H
	#define REFLOGWINDOW_H

	#include "Git.h"

	#include <QDialog>

	namespace Ui {
	class ReflogWindow;
	}

	class MainWindow;
	class QTableWidgetItem;

	-class ReflogWindow : public QDialog
	-{
	+class ReflogWindow : public QDialog {
	Q_OBJECT
	private:
	+ Ui::ReflogWindow *ui;
	MainWindow *mainwindow_;
	Git::ReflogItemList reflog_;

	MainWindow *mainwindow()
	{
	return mainwindow_;
	}
	+
	+ void updateTable(const Git::ReflogItemList &reflog);
	+ bool currentCommit(Git::CommitItem *out);
	+
	public:
	explicit ReflogWindow(QWidget parent, MainWindow mainwin, const Git::ReflogItemList &reflog);
	- ~ReflogWindow();
	+ ~ReflogWindow() override;

	private slots:
	void on_tableWidget_customContextMenuRequested(const QPoint &pos);
	-
	void on_tableWidget_itemDoubleClicked(QTableWidgetItem *item);
	-
	-private:
	- Ui::ReflogWindow *ui;
	- void updateTable(const Git::ReflogItemList &reflog);
	- bool currentCommit(Git::CommitItem *out);
	};

	#endif // REFLOGWINDOW_H
	diff --git a/src/RemoteRepositoriesTableWidget.h b/src/RemoteRepositoriesTableWidget.h
	index fa92629..cf53ca4 100644
	--- a/src/RemoteRepositoriesTableWidget.h
	+++ b/src/RemoteRepositoriesTableWidget.h
	@@ -1,15 +1,13 @@
	#ifndef REMOTEREPOSITORIESTABLEWIDGET_H
	#define REMOTEREPOSITORIESTABLEWIDGET_H

	#include <QTableWidget>

	class RemoteRepositoriesTableWidget : public QTableWidget {
	public:
	- RemoteRepositoriesTableWidget(QWidget *parent = 0);
	-
	- // QWidget interface
	+ RemoteRepositoriesTableWidget(QWidget *parent = nullptr);
	protected:
	- void contextMenuEvent(QContextMenuEvent *event);
	+ void contextMenuEvent(QContextMenuEvent *event) override;
	};

	#endif // REMOTEREPOSITORIESTABLEWIDGET_H
	diff --git a/src/RepositoriesTreeWidget.h b/src/RepositoriesTreeWidget.h
	index 807fc54..b165b5f 100644
	--- a/src/RepositoriesTreeWidget.h
	+++ b/src/RepositoriesTreeWidget.h
	@@ -1,30 +1,22 @@
	#ifndef REPOSITORIESTREEWIDGET_H
	#define REPOSITORIESTREEWIDGET_H

	#include <QTreeWidget>

	class MainWindow;

	-class RepositoriesTreeWidget : public QTreeWidget
	-{
	+class RepositoriesTreeWidget : public QTreeWidget {
	Q_OBJECT
	private:
	MainWindow *mainwindow();
	QTreeWidgetItem *current_item = nullptr;
	+protected:
	+ void dropEvent(QDropEvent *event) override;
	+ void dragEnterEvent(QDragEnterEvent *event) override;
	public:
	- explicit RepositoriesTreeWidget(QWidget *parent = 0);
	-
	+ explicit RepositoriesTreeWidget(QWidget *parent = nullptr);
	signals:
	void dropped();
	-public slots:
	-
	- // QWidget interface
	-protected:
	- void dropEvent(QDropEvent *event);
	-
	- // QWidget interface
	-protected:
	- void dragEnterEvent(QDragEnterEvent *event);
	};

	#endif // REPOSITORIESTREEWIDGET_H
	diff --git a/src/RepositoryInfoFrame.h b/src/RepositoryInfoFrame.h
	index 653c1ba..579101a 100644
	--- a/src/RepositoryInfoFrame.h
	+++ b/src/RepositoryInfoFrame.h
	@@ -1,21 +1,14 @@
	#ifndef REPOSITORYINFOFRAME_H
	#define REPOSITORYINFOFRAME_H

	#include <QFrame>

	-class RepositoryInfoFrame : public QFrame
	-{
	+class RepositoryInfoFrame : public QFrame {
	Q_OBJECT
	-public:
	- explicit RepositoryInfoFrame(QWidget *parent = 0);
	-
	-signals:
	-
	-public slots:
	-
	- // QWidget interface
	protected:
	- void paintEvent(QPaintEvent *event);
	+ void paintEvent(QPaintEvent *event) override;
	+public:
	+ explicit RepositoryInfoFrame(QWidget *parent = nullptr);
	};

	#endif // REPOSITORYINFOFRAME_H
	diff --git a/src/RepositoryLineEdit.h b/src/RepositoryLineEdit.h
	index 7989fc0..d582bdc 100644
	--- a/src/RepositoryLineEdit.h
	+++ b/src/RepositoryLineEdit.h
	@@ -1,21 +1,14 @@
	#ifndef REPOSITORYLINEEDIT_H
	#define REPOSITORYLINEEDIT_H

	#include <QLineEdit>

	-class RepositoryLineEdit : public QLineEdit
	-{
	+class RepositoryLineEdit : public QLineEdit {
	Q_OBJECT
	-public:
	- explicit RepositoryLineEdit(QWidget *parent = 0);
	-
	-signals:
	-
	-public slots:
	-
	- // QWidget interface
	protected:
	- void dropEvent(QDropEvent *event);
	+ void dropEvent(QDropEvent *event) override;
	+public:
	+ explicit RepositoryLineEdit(QWidget *parent = nullptr);
	};

	#endif // REPOSITORYLINEEDIT_H
	diff --git a/src/RepositoryPropertyDialog.h b/src/RepositoryPropertyDialog.h
	index 49067ad..798824d 100644
	--- a/src/RepositoryPropertyDialog.h
	+++ b/src/RepositoryPropertyDialog.h
	@@ -1,39 +1,39 @@
	#ifndef REPOSITORYPROPERTYDIALOG_H
	#define REPOSITORYPROPERTYDIALOG_H

	#include "RepositoryData.h"
	#include "BasicRepositoryDialog.h"
	#include "EditRemoteDialog.h"
	#include <QDialog>
	#include "Git.h"

	class BasicMainWindow;

	namespace Ui {
	class RepositoryPropertyDialog;
	}

	class RepositoryPropertyDialog : public BasicRepositoryDialog {
	Q_OBJECT
	private:
	+ Ui::RepositoryPropertyDialog *ui;
	RepositoryItem repository;
	bool remote_changed = false;
	+
	+ void updateRemotesTable();
	+ bool execEditRemoteDialog(Git::Remote *remote, EditRemoteDialog::Operation op);
	+ Git::Remote selectedRemote() const;
	+ void toggleRemoteMenuActivity();
	public:
	explicit RepositoryPropertyDialog(BasicMainWindow *parent, GitPtr g, RepositoryItem const &item, bool open_repository_menu = false);
	- ~RepositoryPropertyDialog();
	+ ~RepositoryPropertyDialog() override;

	bool isRemoteChanged() const;
	private slots:
	void on_pushButton_remote_add_clicked();
	void on_pushButton_remote_edit_clicked();
	void on_pushButton_remote_remove_clicked();
	void on_pushButton_remote_menu_clicked();
	-private:
	- Ui::RepositoryPropertyDialog *ui;
	- void updateRemotesTable();
	- bool execEditRemoteDialog(Git::Remote *remote, EditRemoteDialog::Operation op);
	- Git::Remote selectedRemote() const;
	- void toggleRemoteMenuActivity();
	};

	#endif // REPOSITORYPROPERTYDIALOG_H
	diff --git a/src/SearchFromGitHubDialog.h b/src/SearchFromGitHubDialog.h
	index 0dfccfb..4418a1a 100644
	--- a/src/SearchFromGitHubDialog.h
	+++ b/src/SearchFromGitHubDialog.h
	@@ -1,42 +1,40 @@
	#ifndef SEARCHFROMGITHUBDIALOG_H
	#define SEARCHFROMGITHUBDIALOG_H

	#include "MyTableWidgetDelegate.h"
	#include "GitHubAPI.h"

	#include <QDialog>

	namespace Ui {
	class SearchFromGitHubDialog;
	}

	class QTableWidgetItem;
	-
	class BasicMainWindow;

	-class SearchFromGitHubDialog : public QDialog
	-{
	+class SearchFromGitHubDialog : public QDialog {
	Q_OBJECT
	private:
	+ Ui::SearchFromGitHubDialog *ui;
	QList<GitHubAPI::SearchResultItem> items;
	QString url_;
	MyTableWidgetDelegate item_delegate;
	BasicMainWindow *mainwindow;
	+
	+ void updateUI();
	public:
	explicit SearchFromGitHubDialog(QWidget parent, BasicMainWindow mw);
	- ~SearchFromGitHubDialog();
	+ ~SearchFromGitHubDialog() override;

	QString url() const;

	private slots:
	void on_pushButton_search_clicked();
	void on_tableWidget_currentItemChanged(QTableWidgetItem current, QTableWidgetItem previous);
	void on_radioButton_ssh_clicked();
	void on_radioButton_http_clicked();
	void onHyperlinkClicked();
	-private:
	- Ui::SearchFromGitHubDialog *ui;
	- void updateUI();
	};

	#endif // SEARCHFROMGITHUBDIALOG_H
	diff --git a/src/SelectCommandDialog.h b/src/SelectCommandDialog.h
	index 17def1d..e91dcfd 100644
	--- a/src/SelectCommandDialog.h
	+++ b/src/SelectCommandDialog.h
	@@ -1,36 +1,31 @@
	#ifndef SELECTCOMMANDDIALOG_H
	#define SELECTCOMMANDDIALOG_H

	#include <QDialog>

	namespace Ui {
	class SelectCommandDialog;
	}

	class QListWidgetItem;

	class SelectCommandDialog : public QDialog
	{
	Q_OBJECT
	private:
	+ Ui::SelectCommandDialog *ui;
	QString path;
	QString command_name;
	QStringList command_files;
	public:
	explicit SelectCommandDialog(QWidget *parent, QString const &cmdname, QStringList const &cmdfiles, QString const &path, QStringList const &list);
	- ~SelectCommandDialog();
	+ ~SelectCommandDialog() override;

	QString selectedFile() const;
	private slots:
	-
	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/SelectGpgKeyDialog.h b/src/SelectGpgKeyDialog.h
	index 3e5a8c9..5f1aa0d 100644
	--- a/src/SelectGpgKeyDialog.h
	+++ b/src/SelectGpgKeyDialog.h
	@@ -1,33 +1,31 @@
	#ifndef SELECTGPGKEYDIALOG_H
	#define SELECTGPGKEYDIALOG_H

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

	class MainWindow;
	class QTableWidgetItem;

	namespace Ui {
	class SelectGpgKeyDialog;
	}

	-class SelectGpgKeyDialog : public QDialog
	-{
	+class SelectGpgKeyDialog : public QDialog {
	Q_OBJECT
	private:
	+ Ui::SelectGpgKeyDialog *ui;
	QList<gpg::Data> keys_;
	+ void updateTable();
	public:
	explicit SelectGpgKeyDialog(QWidget *parent, const QList<gpg::Data> &keys);
	- ~SelectGpgKeyDialog();
	+ ~SelectGpgKeyDialog() override;

	gpg::Data key() const;

	private slots:
	void on_tableWidget_itemDoubleClicked(QTableWidgetItem *item);

	-private:
	- Ui::SelectGpgKeyDialog *ui;
	- void updateTable();
	};

	#endif // SELECTGPGKEYDIALOG_H
	diff --git a/src/SelectItemDialog.h b/src/SelectItemDialog.h
	index e40e41e..3f6f122 100644
	--- a/src/SelectItemDialog.h
	+++ b/src/SelectItemDialog.h
	@@ -1,43 +1,40 @@
	#ifndef SELECTITEMDIALOG_H
	#define SELECTITEMDIALOG_H

	#include <QDialog>
	#include <vector>

	class QListWidgetItem;

	namespace Ui {
	class SelectItemDialog;
	}

	class SelectItemDialog : public QDialog {
	Q_OBJECT
	+private:
	+ Ui::SelectItemDialog *ui;
	public:
	struct Item {
	QString id;
	QString text;
	- Item()
	- {
	- }
	+ Item() = default;
	Item(QString const &id, QString const &text)
	: id(id)
	, text(text)
	{
	}
	};
	public:
	- explicit SelectItemDialog(QWidget *parent = 0);
	- ~SelectItemDialog();
	+ explicit SelectItemDialog(QWidget *parent = nullptr);
	+ ~SelectItemDialog() override;

	void addItem(QString const &item, QString const &text);

	Item item() const;
	void select(QString const &id);
	private slots:
	void on_listWidget_itemDoubleClicked(QListWidgetItem *);
	-
	-private:
	- Ui::SelectItemDialog *ui;
	};

	#endif // SELECTITEMDIALOG_H
	diff --git a/src/SetGlobalUserDialog.h b/src/SetGlobalUserDialog.h
	index 9384125..da93a3d 100644
	--- a/src/SetGlobalUserDialog.h
	+++ b/src/SetGlobalUserDialog.h
	@@ -1,24 +1,22 @@
	#ifndef SETGLOBALUSERDIALOG_H
	#define SETGLOBALUSERDIALOG_H

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

	namespace Ui {
	class SetGlobalUserDialog;
	}

	-class SetGlobalUserDialog : public QDialog
	-{
	+class SetGlobalUserDialog : public QDialog {
	Q_OBJECT
	-
	+private:
	+ Ui::SetGlobalUserDialog *ui;
	public:
	- explicit SetGlobalUserDialog(QWidget *parent = 0);
	- ~SetGlobalUserDialog();
	+ explicit SetGlobalUserDialog(QWidget *parent = nullptr);
	+ ~SetGlobalUserDialog() override;

	Git::User user() const;
	-private:
	- Ui::SetGlobalUserDialog *ui;
	};

	#endif // SETGLOBALUSERDIALOG_H
	diff --git a/src/SetGpgSigningDialog.h b/src/SetGpgSigningDialog.h
	index efded5b..efcf154 100644
	--- a/src/SetGpgSigningDialog.h
	+++ b/src/SetGpgSigningDialog.h
	@@ -1,48 +1,42 @@
	#ifndef SETGPGSIGNINGDIALOG_H
	#define SETGPGSIGNINGDIALOG_H

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

	class MainWindow;

	namespace Ui {
	class SetGpgSigningDialog;
	}

	class SetGpgSigningDialog : public QDialog
	{
	Q_OBJECT
	private:
	+ Ui::SetGpgSigningDialog *ui;
	struct Private;
	Private *m;

	MainWindow *mainwindow();

	+ void setKey_(gpg::Data const &key);
	+ void setKey_(QString const &key_id);
	public:
	explicit SetGpgSigningDialog(QWidget *parent, QString const &repo, QString const &global_key_id, QString const &repository_key_id);
	- ~SetGpgSigningDialog();
	+ ~SetGpgSigningDialog() override;

	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_(QString const &key_id);
	};

	#endif // SETGPGSIGNINGDIALOG_H
	diff --git a/src/SetRemoteUrlDialog.h b/src/SetRemoteUrlDialog.h
	index 803fadd..69e7b8b 100644
	--- a/src/SetRemoteUrlDialog.h
	+++ b/src/SetRemoteUrlDialog.h
	@@ -1,33 +1,32 @@
	#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:
	+ Ui::SetRemoteUrlDialog *ui;
	QStringList remotes;
	+ void updateRemotesTable();
	public:
	explicit SetRemoteUrlDialog(MainWindow *mainwindow, QStringList const &remotes, GitPtr g);
	- ~SetRemoteUrlDialog();
	+ ~SetRemoteUrlDialog() override;

	- int exec();
	-private:
	- Ui::SetRemoteUrlDialog *ui;
	- void updateRemotesTable();
	-public slots:
	- void accept();
	+ int exec() override;
	private slots:
	void on_pushButton_test_clicked();
	+public slots:
	+ void accept() override;
	};

	#endif // SETREMOTEURLDIALOG_H
	diff --git a/src/SetUserDialog.h b/src/SetUserDialog.h
	index 3f83a2f..4ddc934 100644
	--- a/src/SetUserDialog.h
	+++ b/src/SetUserDialog.h
	@@ -1,44 +1,39 @@
	#ifndef SETUSERDIALOG_H
	#define SETUSERDIALOG_H

	#include "Git.h"

	#include <QDialog>

	class BasicMainWindow;

	namespace Ui {
	class SetUserDialog;
	}

	class SetUserDialog : public QDialog {
	Q_OBJECT
	private:
	+ Ui::SetUserDialog *ui;
	struct Private;
	Private *m;
	+
	+ void setAvatar(QIcon icon);
	+ BasicMainWindow *mainwindow();
	public:
	explicit SetUserDialog(BasicMainWindow *parent, const Git::User &global_user, const Git::User &repo_user, QString const &repo);
	- ~SetUserDialog();
	+ ~SetUserDialog() override;

	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(QString const &text);
	-
	void on_lineEdit_mail_textChanged(QString const &text);
	-
	void on_pushButton_get_icon_clicked();
	-
	-private:
	- Ui::SetUserDialog *ui;
	- void setAvatar(QIcon icon);
	- BasicMainWindow *mainwindow();
	};

	#endif // SETUSERDIALOG_H
	diff --git a/src/SettingBehaviorForm.h b/src/SettingBehaviorForm.h
	index 210f929..05b1e31 100644
	--- a/src/SettingBehaviorForm.h
	+++ b/src/SettingBehaviorForm.h
	@@ -1,32 +1,30 @@
	#ifndef SETTINGBEHAVIORFORM_H
	#define SETTINGBEHAVIORFORM_H

	#include "AbstractSettingForm.h"

	#include <QWidget>

	namespace Ui {
	class SettingBehaviorForm;
	}

	-class SettingBehaviorForm : public AbstractSettingForm
	-{
	+class SettingBehaviorForm : public AbstractSettingForm {
	Q_OBJECT
	-
	-public:
	- explicit SettingBehaviorForm(QWidget *parent = 0);
	- ~SettingBehaviorForm();
	-
	private:
	Ui::SettingBehaviorForm *ui;

	unsigned int getWatchRemoteChangesEveryMins();
	void setWatchRemoteChangesEveryMins(unsigned int min);
	public:
	- void exchange(bool save);
	+ explicit SettingBehaviorForm(QWidget *parent = nullptr);
	+ ~SettingBehaviorForm() override;
	+
	+public:
	+ void exchange(bool save) override;
	private slots:
	void on_pushButton_signing_policy_clicked();
	void on_pushButton_browse_default_working_dir_clicked();
	};

	#endif // SETTINGBEHAVIORFORM_H
	diff --git a/src/SettingExampleForm.h b/src/SettingExampleForm.h
	index ac39be7..c390382 100644
	--- a/src/SettingExampleForm.h
	+++ b/src/SettingExampleForm.h
	@@ -1,25 +1,23 @@
	#ifndef SETTINGEXAMPLEFORM_H
	#define SETTINGEXAMPLEFORM_H

	#include "AbstractSettingForm.h"

	#include <QWidget>

	namespace Ui {
	class SettingExampleForm;
	}

	-class SettingExampleForm : public AbstractSettingForm
	-{
	+class SettingExampleForm : public AbstractSettingForm {
	Q_OBJECT
	-
	public:
	- explicit SettingExampleForm(QWidget *parent = 0);
	- ~SettingExampleForm();
	- void exchange(bool save);
	+ explicit SettingExampleForm(QWidget *parent = nullptr);
	+ ~SettingExampleForm() override;
	+ void exchange(bool save) override;

	private:
	Ui::SettingExampleForm *ui;
	};

	#endif // SETTINGEXAMPLEFORM_H
	diff --git a/src/SettingGeneralForm.h b/src/SettingGeneralForm.h
	index bfe4f2a..25e3560 100644
	--- a/src/SettingGeneralForm.h
	+++ b/src/SettingGeneralForm.h
	@@ -1,36 +1,34 @@
	#ifndef SETTINGGENERALFORM_H
	#define SETTINGGENERALFORM_H

	#include "AbstractSettingForm.h"
	#include "SelectItemDialog.h"

	#include <QWidget>

	namespace Ui {
	class SettingGeneralForm;
	}

	class SettingGeneralForm : public AbstractSettingForm
	{
	Q_OBJECT
	private:
	+ Ui::SettingGeneralForm *ui;
	QList<SelectItemDialog::Item> langs;
	QList<SelectItemDialog::Item> themes;
	-public:
	- explicit SettingGeneralForm(QWidget *parent = 0);
	- ~SettingGeneralForm();
	-
	-private:
	- Ui::SettingGeneralForm *ui;

	void updateLanguage();
	void updateTheme();
	public:
	- void exchange(bool save);
	+ explicit SettingGeneralForm(QWidget *parent = nullptr);
	+ ~SettingGeneralForm() override;
	+
	+ void exchange(bool save) override;
	private slots:
	void on_pushButton_browse_default_working_dir_clicked();
	void on_pushButton_change_language_clicked();
	void on_pushButton_change_theme_clicked();
	};

	#endif // SETTINGGENERALFORM_H
	diff --git a/src/SettingNetworkForm.h b/src/SettingNetworkForm.h
	index acbfad7..486259f 100644
	--- a/src/SettingNetworkForm.h
	+++ b/src/SettingNetworkForm.h
	@@ -1,31 +1,27 @@
	#ifndef SETTINGNETWORKFORM_H
	#define SETTINGNETWORKFORM_H

	#include "AbstractSettingForm.h"

	#include <QWidget>

	namespace Ui {
	class SettingNetworkForm;
	}

	-class SettingNetworkForm : public AbstractSettingForm
	-{
	+class SettingNetworkForm : public AbstractSettingForm {
	Q_OBJECT
	+private:
	+ Ui::SettingNetworkForm *ui;
	+ void updateProxyServerLineEdit();
	public:
	- explicit SettingNetworkForm(QWidget *parent = 0);
	- ~SettingNetworkForm();
	- void exchange(bool save);
	+ explicit SettingNetworkForm(QWidget *parent = nullptr);
	+ ~SettingNetworkForm() override;
	+ void exchange(bool save) override;
	private slots:
	void on_radioButton_no_proxy_clicked();
	-
	void on_radioButton_auto_detect_clicked();
	-
	void on_radioButton_manual_clicked();
	-
	-private:
	- Ui::SettingNetworkForm *ui;
	- void updateProxyServerLineEdit();
	};

	#endif // SETTINGNETWORKFORM_H
	diff --git a/src/SettingProgramsForm.h b/src/SettingProgramsForm.h
	index d4d50e0..bd1bd38 100644
	--- a/src/SettingProgramsForm.h
	+++ b/src/SettingProgramsForm.h
	@@ -1,27 +1,25 @@
	#ifndef SETTINGPROGRAMSFORM_H
	#define SETTINGPROGRAMSFORM_H

	#include "AbstractSettingForm.h"

	namespace Ui {
	class SettingProgramsForm;
	}

	-class SettingProgramsForm : public AbstractSettingForm
	-{
	+class SettingProgramsForm : public AbstractSettingForm {
	Q_OBJECT
	-
	+private:
	+ Ui::SettingProgramsForm *ui;
	public:
	- explicit SettingProgramsForm(QWidget *parent = 0);
	- ~SettingProgramsForm();
	- void exchange(bool save);
	+ explicit SettingProgramsForm(QWidget *parent = nullptr);
	+ ~SettingProgramsForm() override;
	+ void exchange(bool save) override;
	private slots:
	void on_pushButton_select_git_command_clicked();
	void on_pushButton_select_file_command_clicked();
	void on_pushButton_select_gpg_command_clicked();

	-private:
	- Ui::SettingProgramsForm *ui;
	};

	#endif // SETTINGPROGRAMSFORM_H
	diff --git a/src/SettingsDialog.h b/src/SettingsDialog.h
	index 5292524..9e16478 100644
	--- a/src/SettingsDialog.h
	+++ b/src/SettingsDialog.h
	@@ -1,62 +1,56 @@
	#ifndef SETTINGSDIALOG_H
	#define SETTINGSDIALOG_H

	#include <QDialog>
	#include "MainWindow.h"
	#include "main.h"

	namespace Ui {
	class SettingsDialog;
	}

	class QTreeWidgetItem;

	class SettingsDialog : public QDialog
	{
	Q_OBJECT
	public:
	ApplicationSettings set;
	private:
	+ Ui::SettingsDialog *ui;
	MainWindow *mainwindow_;

	+ void exchange(bool save);
	+
	void loadSettings();
	void saveSettings();

	public:
	explicit SettingsDialog(MainWindow *parent);
	- ~SettingsDialog();
	+ ~SettingsDialog() override;

	MainWindow *mainwindow()
	{
	return mainwindow_;
	}

	SettingsDialog *dialog()
	{
	return this;
	}

	ApplicationSettings const &settings() const
	{
	return set;
	}

	static void loadSettings(ApplicationSettings *as);
	static void saveSettings(const ApplicationSettings *as);
	private slots:
	-
	void on_treeWidget_currentItemChanged(QTreeWidgetItem current, QTreeWidgetItem previous);
	-
	-private:
	- Ui::SettingsDialog *ui;
	-
	- void exchange(bool save);
	-public slots:
	- void accept();
	-
	- // QDialog interface
	public slots:
	- void done(int);
	+ void accept() override;
	+ void done(int) override;
	};

	#endif // SETTINGSDIALOG_H
	diff --git a/src/StatusLabel.h b/src/StatusLabel.h
	index e6a9ec0..d45e68d 100644
	--- a/src/StatusLabel.h
	+++ b/src/StatusLabel.h
	@@ -1,14 +1,13 @@
	#ifndef STATUSLABEL_H
	#define STATUSLABEL_H

	#include <QLabel>

	-class StatusLabel : public QLabel
	-{
	+class StatusLabel : public QLabel {
	Q_OBJECT
	public:
	- explicit StatusLabel(QWidget *parent = 0);
	- QSize minimumSizeHint() const;
	+ explicit StatusLabel(QWidget *parent = nullptr);
	+ QSize minimumSizeHint() const override;
	};

	#endif // STATUSLABEL_H
	diff --git a/src/TextEditDialog.h b/src/TextEditDialog.h
	index 7590772..49fabfb 100644
	--- a/src/TextEditDialog.h
	+++ b/src/TextEditDialog.h
	@@ -1,31 +1,26 @@
	#ifndef TEXTEDITDIALOG_H
	#define TEXTEDITDIALOG_H

	#include <QDialog>

	namespace Ui {
	class TextEditDialog;
	}

	-class TextEditDialog : public QDialog
	-{
	+class TextEditDialog : public QDialog {
	Q_OBJECT
	-
	+private:
	+ Ui::TextEditDialog *ui;
	+protected:
	+ void keyPressEvent(QKeyEvent *) override;
	public:
	- explicit TextEditDialog(QWidget *parent = 0);
	- ~TextEditDialog();
	+ explicit TextEditDialog(QWidget *parent = nullptr);
	+ ~TextEditDialog() override;

	void setText(QString const &text);
	QString text() const;

	-
	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.h b/src/WelcomeWizardDialog.h
	index 2f68ec2..a6d8774 100644
	--- a/src/WelcomeWizardDialog.h
	+++ b/src/WelcomeWizardDialog.h
	@@ -1,50 +1,48 @@
	#ifndef WELCOMEWIZARDDIALOG_H
	#define WELCOMEWIZARDDIALOG_H

	#include "AvatarLoader.h"

	#include <QDialog>

	class BasicMainWindow;

	namespace Ui {
	class WelcomeWizardDialog;
	}

	class WelcomeWizardDialog : public QDialog {
	Q_OBJECT
	private:
	BasicMainWindow *mainwindow_;
	AvatarLoader avatar_loader_;
	QList<QWidget *> pages_;
	public:
	- explicit WelcomeWizardDialog(BasicMainWindow *parent = 0);
	- ~WelcomeWizardDialog();
	+ explicit WelcomeWizardDialog(BasicMainWindow *parent = nullptr);
	+ ~WelcomeWizardDialog() override;

	void set_user_name(QString const &v);
	void set_user_email(QString const &v);
	void set_default_working_folder(QString const &v);
	void set_git_command_path(QString const &v);
	void set_file_command_path(QString const &v);

	QString user_name() const;
	QString user_email() const;
	QString default_working_folder() const;
	QString git_command_path() const;
	QString file_command_path() const;
	private slots:
	void on_stackedWidget_currentChanged(int arg1);
	void on_pushButton_browse_default_workiing_folder_clicked();
	void on_pushButton_browse_git_clicked();
	void on_pushButton_browse_file_clicked();
	void on_pushButton_get_icon_clicked();
	void on_pushButton_prev_clicked();
	-
	void on_pushButton_next_clicked();
	-
	private:
	Ui::WelcomeWizardDialog *ui;
	void setAvatar(const QIcon &icon);
	};

	#endif // WELCOMEWIZARDDIALOG_H
	diff --git a/src/charvec.cpp b/src/charvec.cpp
	index 9078faa..572ea6b 100644
	--- a/src/charvec.cpp
	+++ b/src/charvec.cpp
	@@ -1,47 +1,47 @@
	#include "charvec.h"
	-#include <string.h>
	-#include <stdlib.h>
	+#include <cstring>
	+#include <cstdlib>

	void print(std::vector<char> *out, char c)
	{
	out->push_back(c);
	}

	void print(std::vector<char> out, char const begin, char const *end)
	{
	out->insert(out->end(), begin, end);
	}

	void print(std::vector<char> out, char const ptr, size_t len)
	{
	print(out, ptr, ptr + len);
	}

	void print(std::vector<char> out, char const s)
	{
	print(out, s, s + strlen(s));
	}

	void print(std::vector<char> *out, std::string const &s)
	{
	print(out, s.c_str(), s.size());
	}

	void print(std::vector<char> out, std::vector<char> const in)
	{
	if (in && !in->empty()) {
	char const begin = &(in)[0];
	char const *end = begin + in->size();
	print(out, begin, end);
	}
	}

	std::string to_stdstr(std::vector<char> const &vec)
	{
	if (!vec.empty()) {
	char const *begin = &vec.at(0);
	char const *end = begin + vec.size();
	return std::string(begin, end);
	}
	return std::string();
	}
	diff --git a/src/gpg.h b/src/gpg.h
	index 31e7c02..079e7ed 100644
	--- a/src/gpg.h
	+++ b/src/gpg.h
	@@ -1,51 +1,24 @@
	#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(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 ee4cb10..b68eb70 100644
	--- a/src/gunzip.cpp
	+++ b/src/gunzip.cpp
	@@ -1,228 +1,228 @@
	#include "gunzip.h"
	#include "myzlib.h"
	-#include <stdint.h>
	+#include <cstdint>
	#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(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(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 ffb0077..e78de7b 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>
	+#include <cstdint>

	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(QString const &inpath);
	};

	#endif // GUNZIP_H
	diff --git a/src/texteditor/AbstractCharacterBasedApplication.cpp b/src/texteditor/AbstractCharacterBasedApplication.cpp
	index 6b43ce9..f78fc6f 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, 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(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(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_(char const *ptr, bool by_keyboard)
	{
	write(ptr, -1, by_keyboard);
	}

	-void AbstractCharacterBasedApplication::write_(QString text, bool by_keyboard)
	+void AbstractCharacterBasedApplication::write_(QString const &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 34d4f5f..6a6dc7a 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, 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(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, 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(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(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(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_(char const *ptr, bool by_keyboard);
	- void write_(QString text, bool by_keyboard);
	+ void write_(const QString &text, bool by_keyboard);
	void makeColumnPosList(std::vector<int> *out);
	};

	class AbstractTextEditorApplication : public AbstractCharacterBasedApplication {

	};


	#endif // ABSTRACTCHARACTERBASEDAPPLICATION_H
	diff --git a/src/texteditor/InputMethodPopup.h b/src/texteditor/InputMethodPopup.h
	index 208ddfc..fbefb2a 100644
	--- a/src/texteditor/InputMethodPopup.h
	+++ b/src/texteditor/InputMethodPopup.h
	@@ -1,33 +1,33 @@
	#ifndef INPUTMETHODPOPUP_H
	#define INPUTMETHODPOPUP_H

	#include "TextEditorWidget.h"

	#include <QWidget>

	class InputMethodPopup : public QWidget
	{
	Q_OBJECT
	private:
	struct {
	PreEditText preedit;
	} data;
	public:
	- explicit InputMethodPopup(QWidget *parent = 0);
	+ explicit InputMethodPopup(QWidget *parent = nullptr);

	void setPreEditText(const PreEditText &preedit);

	signals:

	public slots:

	// QWidget interface
	protected:
	void paintEvent(QPaintEvent *);

	// QWidget interface
	public slots:
	void setVisible(bool visible);
	};

	#endif // INPUTMETHODPOPUP_H
	diff --git a/src/texteditor/TextEditorWidget.h b/src/texteditor/TextEditorWidget.h
	index ffed245..39ad93b 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, QString const &str);
	public:
	- explicit TextEditorWidget(QWidget *parent = 0);
	+ explicit TextEditorWidget(QWidget *parent = nullptr);
	~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/unix/UnixPtyProcess.cpp b/src/unix/UnixPtyProcess.cpp
	index fe77fce..2e1d18a 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 <cstdlib>
	+#include <csignal>
	#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(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(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.cpp b/src/urlencode.cpp
	index d30b0df..40aeda8 100644
	--- a/src/urlencode.cpp
	+++ b/src/urlencode.cpp
	@@ -1,152 +1,152 @@

	#include "urlencode.h"
	#include "charvec.h"
	-#include <stdlib.h>
	-#include <stdio.h>
	-#include <ctype.h>
	-#include <string.h>
	+#include <cstdlib>
	+#include <cstdio>
	+#include <cctype>
	+#include <cstring>
	#ifdef WIN32
	#pragma warning(disable:4996)
	#endif


	static void url_encode_(char const ptr, char const end, std::vector<char> *out)
	{
	while (ptr < end) {
	int c = (unsigned char)*ptr;
	ptr++;
	if (isalnum(c) \|\| strchr("_.-~", c)) {
	print(out, c);
	} else if (c == ' ') {
	print(out, '+');
	} else {
	char tmp[10];
	sprintf(tmp, "%%%02X", c);
	print(out, tmp[0]);
	print(out, tmp[1]);
	print(out, tmp[2]);
	}
	}
	}

	std::string url_encode(char const str, char const end)
	{
	if (!str) {
	return std::string();
	}

	std::vector<char> out;
	out.reserve(end - str + 10);

	url_encode_(str, end, &out);

	return to_stdstr(out);
	}

	std::string url_encode(char const *str, size_t len)
	{
	return url_encode(str, str + len);
	}

	std::string url_encode(char const *str)
	{
	return url_encode(str, strlen(str));
	}

	std::string url_encode(std::string const &str)
	{
	char const *begin = str.c_str();
	char const *end = begin + str.size();
	char const *ptr = begin;

	while (ptr < end) {
	int c = (unsigned char)*ptr;
	if (isalnum(c) \|\| strchr("_.-~", c)) {
	// thru
	} else {
	break;
	}
	ptr++;
	}
	if (ptr == end) {
	return str;
	}

	std::vector<char> out;
	out.reserve(str.size() + 10);

	out.insert(out.end(), begin, ptr);
	url_encode_(ptr, end, &out);

	return to_stdstr(out);
	}

	static void url_decode_(char const ptr, char const end, std::vector<char> *out)
	{
	while (ptr < end) {
	int c = (unsigned char)*ptr;
	ptr++;
	if (c == '+') {
	c = ' ';
	} else if (c == '%' && isxdigit((unsigned char)ptr[0]) && isxdigit((unsigned char)ptr[1])) {
	char tmp[3]; // '%XX'
	tmp[0] = ptr[0];
	tmp[1] = ptr[1];
	tmp[2] = 0;
	c = strtol(tmp, nullptr, 16);
	ptr += 2;
	}
	print(out, c);
	}
	}

	std::string url_decode(char const str, char const end)
	{
	if (!str) {
	return std::string();
	}

	std::vector<char> out;
	out.reserve(end - str + 10);

	url_decode_(str, end, &out);

	return to_stdstr(out);
	}

	std::string url_decode(char const *str, size_t len)
	{
	return url_decode(str, str + len);
	}

	std::string url_decode(char const *str)
	{
	return url_decode(str, strlen(str));
	}

	std::string url_decode(std::string const &str)
	{
	char const *begin = str.c_str();
	char const *end = begin + str.size();
	char const *ptr = begin;

	while (ptr < end) {
	int c = *ptr & 0xff;
	if (c == '+' \|\| c == '%') {
	break;
	}
	ptr++;
	}
	if (ptr == end) {
	return str;
	}


	std::vector<char> out;
	out.reserve(str.size() + 10);

	out.insert(out.end(), begin, ptr);
	url_decode_(ptr, end, &out);

	return to_stdstr(out);
	}
	diff --git a/src/webclient.cpp b/src/webclient.cpp
	index 5655dbd..5643da6 100644
	--- a/src/webclient.cpp
	+++ b/src/webclient.cpp
	@@ -1,1083 +1,1083 @@

	#include "webclient.h"
	-#include <string.h>
	+#include <cstring>

	#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 <cassert>
	#include "charvec.h"

	#define USER_AGENT "Generic Web Client"

	struct WebContext::Private {
	- SSL_CTX *ctx;
	+ SSL_CTX *ctx = nullptr;
	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(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 48ce76e..28d07f9 100644
	--- a/src/webclient.h
	+++ b/src/webclient.h
	@@ -1,192 +1,184 @@

	#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 ~WebClientHandler() = default;
	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() = default;
	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() = default;
	Error(std::string const &message)
	: msg_(message)
	{
	}
	- virtual ~Error()
	- {
	- }
	+ virtual ~Error() = default;
	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() = default;
	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(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(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;
	char const *content_data() const;

	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(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

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