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	diff --git a/src/BigDiffWindow.cpp b/src/BigDiffWindow.cpp
	index 21186ca..03fb935 100644
	--- a/src/BigDiffWindow.cpp
	+++ b/src/BigDiffWindow.cpp
	@@ -1,67 +1,84 @@
	#include <memory>

	#include "BigDiffWindow.h"
	#include "ui_BigDiffWindow.h"

	struct BigDiffWindow::Private {
	TextEditorEnginePtr text_editor_engine;
	FileDiffWidget::InitParam_ param;
	};

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

	ui->widget_diff->setMaximizeButtonEnabled(false);

	connect(ui->widget_diff, &FileDiffWidget::textcodecChanged, [&](){ updateDiffView(); });
	}

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

	void BigDiffWindow::setTextCodec(QTextCodec *codec)
	{
	m->text_editor_engine = std::make_shared<TextEditorEngine>();
	ui->widget_diff->setTextCodec(codec);
	}

	void BigDiffWindow::updateDiffView()
	{
	ui->widget_diff->updateDiffView(m->param.diff, m->param.uncommited);
	}

	void BigDiffWindow::init(BasicMainWindow *mw, FileDiffWidget::InitParam_ const &param)
	{
	ui->widget_diff->bind(mw);
	m->param = param;

	+ {
	+ QString name = m->param.diff.path;
	+ int i = name.lastIndexOf('/');
	+ if (i >= 0) {
	+ name = name.mid(i + 1);
	+ }
	+ ui->lineEdit_center->setText(name);
	+ }
	+ auto Text = [](QString id){
	+ if (id.startsWith(PATH_PREFIX)) {
	+ id = id.mid(1);
	+ }
	+ return id;
	+ };
	+ ui->lineEdit_left->setText(Text(m->param.diff.blob.a_id));
	+ ui->lineEdit_right->setText(Text(m->param.diff.blob.b_id));
	+
	switch (m->param.view_style) {
	case FileDiffWidget::ViewStyle::LeftOnly:
	ui->widget_diff->setLeftOnly(m->param.bytes_a, m->param.diff);
	break;
	case FileDiffWidget::ViewStyle::RightOnly:
	ui->widget_diff->setRightOnly(m->param.bytes_b, m->param.diff);
	break;
	case FileDiffWidget::ViewStyle::SideBySideText:
	ui->widget_diff->setSideBySide(m->param.bytes_a, m->param.diff, m->param.uncommited, m->param.workingdir);
	break;
	case FileDiffWidget::ViewStyle::SideBySideImage:
	ui->widget_diff->setSideBySide_(m->param.bytes_a, m->param.bytes_b, m->param.workingdir);
	break;
	}
	}




	diff --git a/src/BigDiffWindow.h b/src/BigDiffWindow.h
	index b153b64..95e75ec 100644
	--- a/src/BigDiffWindow.h
	+++ b/src/BigDiffWindow.h
	@@ -1,28 +1,29 @@
	#ifndef BIGDIFFWINDOW_H
	#define BIGDIFFWINDOW_H

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

	namespace Ui {
	class BigDiffWindow;
	}

	class BigDiffWindow : public QDialog {
	Q_OBJECT
	private:
	struct Private;
	Private *m;
	public:
	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();
	+ QString fileName() const;
	};

	#endif // BIGDIFFWINDOW_H
	diff --git a/src/BigDiffWindow.ui b/src/BigDiffWindow.ui
	index c9cedd5..761aa88 100644
	--- a/src/BigDiffWindow.ui
	+++ b/src/BigDiffWindow.ui
	@@ -1,74 +1,125 @@
	<?xml version="1.0" encoding="UTF-8"?>
	<ui version="4.0">
	<class>BigDiffWindow</class>
	<widget class="QDialog" name="BigDiffWindow">
	<property name="geometry">
	<rect>
	<x>0</x>
	<y>0</y>
	<width>624</width>
	<height>475</height>
	</rect>
	</property>
	<property name="windowTitle">
	<string>Diff</string>
	</property>
	<layout class="QVBoxLayout" name="verticalLayout_2">
	<property name="spacing">
	<number>0</number>
	</property>
	<property name="leftMargin">
	<number>0</number>
	</property>
	<property name="topMargin">
	<number>0</number>
	</property>
	<property name="rightMargin">
	<number>0</number>
	</property>
	<property name="bottomMargin">
	<number>0</number>
	</property>
	<item>
	<widget class="QFrame" name="frame">
	<property name="frameShape">
	<enum>QFrame::Panel</enum>
	</property>
	<property name="frameShadow">
	<enum>QFrame::Sunken</enum>
	</property>
	<layout class="QVBoxLayout" name="verticalLayout">
	<property name="spacing">
	- <number>0</number>
	+ <number>2</number>
	</property>
	<property name="leftMargin">
	<number>0</number>
	</property>
	<property name="topMargin">
	<number>0</number>
	</property>
	<property name="rightMargin">
	<number>0</number>
	</property>
	<property name="bottomMargin">
	<number>0</number>
	</property>
	<item>
	- <widget class="FileDiffWidget" name="widget_diff" native="true"/>
	+ <layout class="QHBoxLayout" name="horizontalLayout">
	+ <property name="leftMargin">
	+ <number>6</number>
	+ </property>
	+ <property name="topMargin">
	+ <number>6</number>
	+ </property>
	+ <property name="rightMargin">
	+ <number>6</number>
	+ </property>
	+ <property name="bottomMargin">
	+ <number>6</number>
	+ </property>
	+ <item>
	+ <widget class="ReadOnlyLineEdit" name="lineEdit_left"/>
	+ </item>
	+ <item>
	+ <widget class="ReadOnlyLineEdit" name="lineEdit_center">
	+ <property name="font">
	+ <font>
	+ <weight>75</weight>
	+ <bold>true</bold>
	+ </font>
	+ </property>
	+ <property name="alignment">
	+ <set>Qt::AlignCenter</set>
	+ </property>
	+ </widget>
	+ </item>
	+ <item>
	+ <widget class="ReadOnlyLineEdit" name="lineEdit_right">
	+ <property name="alignment">
	+ <set>Qt::AlignRight\|Qt::AlignTrailing\|Qt::AlignVCenter</set>
	+ </property>
	+ </widget>
	+ </item>
	+ </layout>
	+ </item>
	+ <item>
	+ <widget class="FileDiffWidget" name="widget_diff" native="true">
	+ <property name="sizePolicy">
	+ <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
	+ <horstretch>0</horstretch>
	+ <verstretch>0</verstretch>
	+ </sizepolicy>
	+ </property>
	+ </widget>
	</item>
	</layout>
	</widget>
	</item>
	</layout>
	</widget>
	<customwidgets>
	<customwidget>
	<class>FileDiffWidget</class>
	<extends>QWidget</extends>
	<header>FileDiffWidget.h</header>
	<container>1</container>
	</customwidget>
	+ <customwidget>
	+ <class>ReadOnlyLineEdit</class>
	+ <extends>QLineEdit</extends>
	+ <header>ReadOnlyLineEdit.h</header>
	+ </customwidget>
	</customwidgets>
	<resources/>
	<connections/>
	</ui>
	diff --git a/src/FileDiffWidget.cpp b/src/FileDiffWidget.cpp
	index b1e1d03..604cd8e 100644
	--- a/src/FileDiffWidget.cpp
	+++ b/src/FileDiffWidget.cpp
	@@ -1,741 +1,745 @@

	#include "ApplicationGlobal.h"
	#include "BigDiffWindow.h"
	#include "FileDiffWidget.h"
	#include "GitDiff.h"
	#include "MainWindow.h"
	#include "Theme.h"
	#include "common/joinpath.h"
	#include "common/misc.h"
	#include "ui_FileDiffWidget.h"
	#include <QBuffer>
	#include <QDebug>
	#include <QKeyEvent>
	#include <QMenu>
	#include <QPainter>
	#include <QStyle>
	#include <QTextCodec>
	#include <memory>

	enum {
	DiffIndexRole = Qt::UserRole,
	};

	struct FileDiffWidget::Private {
	BasicMainWindow *mainwindow = nullptr;
	- InitParam_ init_param_;
	+ FileDiffWidget::InitParam_ init_param_;
	Git::CommitItemList commit_item_list;
	std::vector<std::string> original_lines;
	TextEditorEnginePtr engine_left;
	TextEditorEnginePtr engine_right;
	TextDiffLineList left_lines;
	TextDiffLineList right_lines;
	int max_line_length = 0;

	int term_cursor_row = 0;
	int term_cursor_col = 0;

	QTextCodec *text_codec = nullptr;
	};

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

	ui->widget_diff_slider->init([&](DiffPane pane, int width, int height){
	return makeDiffPixmap(pane, width, height);
	}, global->theme);

	connect(ui->widget_diff_slider, &FileDiffSliderWidget::valueChanged, this, &FileDiffWidget::scrollTo);
	connect(ui->widget_diff_left->texteditor(), &TextEditorWidget::moved, this, &FileDiffWidget::onMoved);
	connect(ui->widget_diff_right->texteditor(), &TextEditorWidget::moved, this, &FileDiffWidget::onMoved);

	setFocusAcceptable(Qt::ClickFocus);
	QWidget::setTabOrder(ui->widget_diff_slider, ui->widget_diff_left);
	QWidget::setTabOrder(ui->widget_diff_left, ui->widget_diff_right);

	int n = style()->pixelMetric(QStyle::PM_ScrollBarExtent);
	ui->toolButton_fullscreen->setFixedSize(n, n);

	setMaximizeButtonEnabled(true);

	m->engine_left = std::make_shared<TextEditorEngine>();
	m->engine_right = std::make_shared<TextEditorEngine>();
	ui->widget_diff_left->setDiffMode(m->engine_left, ui->verticalScrollBar, ui->horizontalScrollBar);
	ui->widget_diff_right->setDiffMode(m->engine_right, ui->verticalScrollBar, ui->horizontalScrollBar);

	setViewType(FileViewType::None);
	}

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

	void FileDiffWidget::setViewType(FileViewType type)
	{
	ui->widget_diff_left->setViewType(type);
	ui->widget_diff_right->setViewType(type);
	}

	void FileDiffWidget::setMaximizeButtonEnabled(bool f)
	{
	ui->toolButton_fullscreen->setVisible(f);
	ui->toolButton_fullscreen->setEnabled(f);
	}

	FileDiffWidget::ViewStyle FileDiffWidget::viewstyle() const
	{
	return m->init_param_.view_style;
	}



	void FileDiffWidget::bind(BasicMainWindow *mw)
	{
	Q_ASSERT(mw);
	m->mainwindow = mw;
	ui->widget_diff_left->bind(mw, this, ui->verticalScrollBar, ui->horizontalScrollBar, mw->themeForTextEditor());
	ui->widget_diff_right->bind(mw, this, ui->verticalScrollBar, ui->horizontalScrollBar, mw->themeForTextEditor());

	connect(ui->verticalScrollBar, &QAbstractSlider::valueChanged, this, &FileDiffWidget::onVerticalScrollValueChanged);
	connect(ui->horizontalScrollBar, &QAbstractSlider::valueChanged, this, &FileDiffWidget::onHorizontalScrollValueChanged);
	}

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

	GitPtr FileDiffWidget::git()
	{
	if (!mainwindow()) {
	qDebug() << "Maybe, you forgot to call FileDiffWidget::bind() ?";
	return GitPtr();
	}
	return mainwindow()->git();
	}

	Git::Object FileDiffWidget::cat_file(GitPtr const &/g/, QString const &id)
	{
	return mainwindow()->cat_file(id);
	}

	int FileDiffWidget::totalTextLines() const
	{
	return m->engine_left->document.lines.size();
	}

	void FileDiffWidget::clearDiffView()
	{
	ui->widget_diff_slider->clear(false);
	}

	int FileDiffWidget::fileviewHeight() const
	{
	return ui->widget_diff_left->height();
	}

	void FileDiffWidget::resetScrollBarValue()
	{
	ui->verticalScrollBar->setValue(0);
	ui->horizontalScrollBar->setValue(0);
	}

	void FileDiffWidget::scrollToBottom()
	{
	QScrollBar *sb = ui->verticalScrollBar;
	sb->setValue(sb->maximum());
	}

	void FileDiffWidget::updateSliderCursor()
	{
	if (viewstyle() == SideBySideText) {
	ui->widget_diff_slider->clear(true);
	}
	}

	void FileDiffWidget::updateControls()
	{
	updateSliderCursor();
	}

	void FileDiffWidget::makeSideBySideDiffData(Git::Diff const &diff, std::vector<std::string> const &original_lines, TextDiffLineList left_lines, TextDiffLineList right_lines)
	{
	left_lines->clear();
	right_lines->clear();

	m->original_lines = original_lines;

	size_t linenum = original_lines.size();

	std::vector<HunkItem> hunks;
	int number = 0;
	for (auto it = diff.hunks.begin(); it != diff.hunks.end(); it++, number++) {
	std::string at = it->at;
	if (strncmp(at.c_str(), "@@ -", 4) == 0) {
	size_t pos = 0;
	size_t len = 0;
	char const *p = at.c_str() + 4;
	auto ParseNumber = [&](){
	size_t v = 0;
	while (isdigit(*p & 0xff)) {
	v = v * 10 + (*p - '0');
	p++;
	}
	return v;
	};
	pos = ParseNumber();
	if (*p == ',') {
	p++;
	len = ParseNumber();
	} else {
	len = 1;
	}
	if (pos > 0) pos--;
	HunkItem item;
	item.hunk_number = number;
	item.pos = pos;
	item.len = len;
	for (std::string const &line : it->lines) {
	item.lines.push_back(line);
	}
	hunks.push_back(item);
	}
	}
	std::sort(hunks.begin(), hunks.end(), [](HunkItem const &l, HunkItem const &r){
	return l.pos + l.len < r.pos + r.len;
	});
	size_t h = hunks.size();
	while (linenum > 0 \|\| h > 0) {
	while (h > 0) {
	int hunk_number = h - 1;
	HunkItem const &hi = hunks[hunk_number];
	if (hi.pos + hi.len < linenum) {
	break;
	}
	std::vector<TextDiffLine> tmp_left;
	std::vector<TextDiffLine> tmp_right;
	int minus = 0;
	int plus = 0;
	auto FlushBlank = [&](){
	while (minus < plus) {
	tmp_left.emplace_back();
	minus++;
	}
	while (minus > plus) {
	tmp_right.emplace_back();
	plus++;
	}
	minus = plus = 0;
	};
	for (auto line : hi.lines) {
	int c = line[0] & 0xff;
	line = line.substr(1);
	if (c == '-') {
	minus++;
	TextDiffLine l(line, TextDiffLine::Del);
	l.hunk_number = hunk_number;
	tmp_left.push_back(l);
	} else if (c == '+') {
	plus++;
	TextDiffLine l(line, TextDiffLine::Add);
	l.hunk_number = hunk_number;
	tmp_right.push_back(l);
	} else {
	FlushBlank();
	TextDiffLine l(line, TextDiffLine::Normal);
	l.hunk_number = hunk_number;
	tmp_left.push_back(l);
	tmp_right.push_back(l);
	}
	}
	FlushBlank();
	auto ComplementNewLine = [](std::vector<TextDiffLine> *lines){
	for (TextDiffLine &line : *lines) {
	int n = line.text.size();
	if (n > 0) {
	int c = line.text[n - 1] & 0xff;
	if (c != '\r' && c != '\n') {
	line.text.push_back('\n');
	}
	}
	}
	};
	ComplementNewLine(&tmp_left);
	ComplementNewLine(&tmp_right);
	for (auto it = tmp_left.rbegin(); it != tmp_left.rend(); it++) {
	TextDiffLine l(*it);
	if (m->text_codec) {
	if (!l.text.isEmpty()) {
	QString s = QString::fromUtf8(l.text.data(), l.text.size());
	l.text = m->text_codec->fromUnicode(s);
	}
	}
	left_lines->push_back(l);
	}
	for (auto it = tmp_right.rbegin(); it != tmp_right.rend(); it++) {
	TextDiffLine l(*it);
	if (m->text_codec) {
	if (!l.text.isEmpty()) {
	QString s = QString::fromUtf8(l.text.data(), l.text.size());
	l.text = m->text_codec->fromUnicode(s);
	}
	}
	right_lines->push_back(l);
	}
	linenum = hi.pos;
	h--;
	}
	if (linenum > 0) {
	linenum--;
	if (linenum < (size_t)original_lines.size()) {
	std::string line = original_lines[linenum];
	left_lines->push_back(TextDiffLine(line, TextDiffLine::Normal));
	right_lines->push_back(TextDiffLine(line, TextDiffLine::Normal));
	}
	}
	}

	std::reverse(left_lines->begin(), left_lines->end());
	std::reverse(right_lines->begin(), right_lines->end());
	}

	void FileDiffWidget::setDiffText(Git::Diff const &diff, TextDiffLineList const &left, TextDiffLineList const &right)
	{
	m->max_line_length = 0;

	enum Pane {
	Left,
	Right,
	};
	auto SetLineNumber = [&](TextDiffLineList const &lines, Pane pane, TextDiffLineList *out){
	out->clear();
	int linenum = 1;
	for (TextDiffLine const &line : lines) {
	TextDiffLine item = line;

	switch (item.type) {
	case TextDiffLine::Normal:
	item.line_number = linenum++;
	break;
	case TextDiffLine::Add:
	if (pane == Pane::Right) {
	item.line_number = linenum++;
	}
	break;
	case TextDiffLine::Del:
	if (pane == Pane::Left) {
	item.line_number = linenum++;
	}
	break;
	default:
	item.line_number = linenum; // 行番号は設定するが、インクリメントはしない
	break;
	}

	out->push_back(item);
	}
	};
	SetLineNumber(left, Pane::Left, &m->left_lines);
	SetLineNumber(right, Pane::Right, &m->right_lines);

	ui->widget_diff_left->setText(&m->left_lines, mainwindow(), diff.blob.a_id, diff.path);
	ui->widget_diff_right->setText(&m->right_lines, mainwindow(), diff.blob.b_id, diff.path);
	refrectScrollBar();
	ui->widget_diff_slider->clear(true);
	}

	FileViewType FileDiffWidget::setupPreviewWidget()
	{
	clearDiffView();

	QString mimetype_l = mainwindow()->determinFileType(m->init_param_.bytes_a, true);
	QString mimetype_r = mainwindow()->determinFileType(m->init_param_.bytes_b, true);

	if (misc::isImage(mimetype_l) \|\| misc::isImage(mimetype_r)) { // image

	ui->verticalScrollBar->setVisible(false);
	ui->horizontalScrollBar->setVisible(false);
	ui->widget_diff_slider->setVisible(false);

	ui->widget_diff_left->setImage(mimetype_l, m->init_param_.bytes_a, m->init_param_.diff.blob.a_id, m->init_param_.diff.path);
	ui->widget_diff_right->setImage(mimetype_r, m->init_param_.bytes_b, m->init_param_.diff.blob.b_id, m->init_param_.diff.path);

	return FileViewType::Image;

	} else { // text

	ui->verticalScrollBar->setVisible(true);
	ui->horizontalScrollBar->setVisible(true);
	ui->widget_diff_slider->setVisible(true);

	setViewType(FileViewType::Text);
	return FileViewType::Text;
	}
	}

	void FileDiffWidget::setSingleFile(QByteArray const &ba, QString const &id, QString const &path)
	{
	m->init_param_ = InitParam_();
	m->init_param_.view_style = FileDiffWidget::ViewStyle::SingleFile;
	m->init_param_.bytes_a = ba;
	m->init_param_.diff.path = path;
	m->init_param_.diff.blob.a_id = id;
	}

	void FileDiffWidget::setOriginalLines_(QByteArray const &ba)
	{
	m->original_lines.clear();
	if (!ba.isEmpty()) {
	char const *begin = ba.data();
	char const *end = begin + ba.size();
	misc::splitLines(begin, end, &m->original_lines, true);
	}
	}

	void FileDiffWidget::setLeftOnly(QByteArray const &ba, Git::Diff const &diff)
	{
	m->init_param_ = InitParam_();
	m->init_param_.view_style = FileDiffWidget::ViewStyle::LeftOnly;
	m->init_param_.bytes_a = ba;
	m->init_param_.diff = diff;

	setOriginalLines_(ba);

	if (setupPreviewWidget() == FileViewType::Text) {

	TextDiffLineList left_lines;
	TextDiffLineList right_lines;

	for (std::string const &line : m->original_lines) {
	left_lines.push_back(TextDiffLine(line, TextDiffLine::Del));
	right_lines.push_back(TextDiffLine());
	}

	setDiffText(diff, left_lines, right_lines);
	}
	}

	void FileDiffWidget::setRightOnly(QByteArray const &ba, Git::Diff const &diff)
	{
	m->init_param_ = InitParam_();
	m->init_param_.view_style = FileDiffWidget::ViewStyle::RightOnly;
	m->init_param_.bytes_b = ba;
	m->init_param_.diff = diff;

	setOriginalLines_(ba);

	if (setupPreviewWidget() == FileViewType::Text) {

	TextDiffLineList left_lines;
	TextDiffLineList right_lines;

	for (std::string const &line : m->original_lines) {
	left_lines.push_back(TextDiffLine());
	right_lines.push_back(TextDiffLine(line, TextDiffLine::Add));
	}

	setDiffText(diff, left_lines, right_lines);
	}
	}

	void FileDiffWidget::setSideBySide(QByteArray const &ba, Git::Diff const &diff, bool uncommited, QString const &workingdir)
	{
	m->init_param_ = InitParam_();
	m->init_param_.view_style = FileDiffWidget::ViewStyle::SideBySideText;
	m->init_param_.bytes_a = ba;
	m->init_param_.diff = diff;
	m->init_param_.uncommited = uncommited;
	m->init_param_.workingdir = workingdir;

	setOriginalLines_(ba);

	if (setupPreviewWidget() == FileViewType::Text) {

	TextDiffLineList left_lines;
	TextDiffLineList right_lines;

	makeSideBySideDiffData(diff, m->original_lines, &left_lines, &right_lines);

	setDiffText(diff, left_lines, right_lines);
	}
	}

	void FileDiffWidget::setSideBySide_(QByteArray const &ba_a, QByteArray const &ba_b, QString const &workingdir)
	{
	m->init_param_ = InitParam_();
	m->init_param_.view_style = FileDiffWidget::ViewStyle::SideBySideImage;
	m->init_param_.bytes_a = ba_a;
	m->init_param_.bytes_b = ba_b;
	m->init_param_.workingdir = workingdir;

	setOriginalLines_(ba_a);

	if (setupPreviewWidget() == FileViewType::Text) {

	TextDiffLineList left_lines;
	TextDiffLineList right_lines;

	makeSideBySideDiffData(m->init_param_.diff, m->original_lines, &left_lines, &right_lines);

	setDiffText(m->init_param_.diff, left_lines, right_lines);
	}
	}

	QString FileDiffWidget::diffObjects(GitPtr const &g, QString const &a_id, QString const &b_id)
	{
	if (m->text_codec) {
	Git::Object obj_a = mainwindow()->cat_file_(g, a_id);
	Git::Object obj_b = mainwindow()->cat_file_(g, b_id);
	if (obj_b.type == Git::Object::Type::UNKNOWN) {
	obj_b.type = Git::Object::Type::BLOB;
	}
	if (obj_a.type == Git::Object::Type::BLOB && obj_b.type == Git::Object::Type::BLOB) {
	QString path_a = mainwindow()->newTempFilePath();
	QString path_b = mainwindow()->newTempFilePath();
	QFile file_a(path_a);
	QFile file_b(path_b);
	if (file_a.open(QFile::WriteOnly) && file_b.open(QFile::WriteOnly)) {
	file_a.write(m->text_codec->toUnicode(obj_a.content).toUtf8());
	file_b.write(m->text_codec->toUnicode(obj_b.content).toUtf8());
	file_a.close();
	file_b.close();
	QString s = g->diff_file(path_a, path_b);
	file_a.remove();
	file_b.remove();
	return s;
	}
	}
	}
	return GitDiff::diffObjects(g, a_id, b_id);
	}

	bool FileDiffWidget::isValidID_(QString const &id)
	{
	if (id.startsWith(PATH_PREFIX)) {
	return true;
	}
	return Git::isValidID(id);
	}

	void FileDiffWidget::updateDiffView(Git::Diff const &info, bool uncommited)
	{
	GitPtr g = git();
	if (!g) return;
	if (!g->isValidWorkingCopy()) return;

	if (isValidID_(info.blob.a_id) && isValidID_(info.blob.b_id)) {
	Git::Object obj_a = cat_file(g, info.blob.a_id);
	Git::Object obj_b = cat_file(g, info.blob.b_id);
	QString mime_a = mainwindow()->determinFileType(obj_a.content, true);
	QString mime_b = mainwindow()->determinFileType(obj_b.content, true);
	if (misc::isImage(mime_a) && misc::isImage(mime_b)) {
	setSideBySide_(obj_a.content, obj_b.content, g->workingRepositoryDir());
	return;
	}
	}

	{
	Git::Diff diff;
	if (isValidID_(info.blob.a_id) && isValidID_(info.blob.b_id)) {
	std::string text = diffObjects(g, info.blob.a_id, info.blob.b_id).toStdString();
	GitDiff::parseDiff(text, &info, &diff);
	} else {
	diff = info;
	}

	Git::Object obj;
	if (isValidID_(diff.blob.a_id)) { // 左が有効
	obj = cat_file(g, diff.blob.a_id);
	if (isValidID_(diff.blob.b_id)) { // 右が有効
	setSideBySide(obj.content, diff, uncommited, g->workingRepositoryDir()); // 通常のdiff表示
	} else {
	setLeftOnly(obj.content, diff); // 右が無効の時は、削除されたファイル
	}
	} else if (isValidID_(diff.blob.b_id)) { // 左が無効で右が有効の時は、追加されたファイル
	obj = cat_file(g, diff.blob.b_id);
	setRightOnly(obj.content, diff);
	}
	}
	}

	void FileDiffWidget::updateDiffView(QString const &id_left, QString const &id_right, QString const &path)
	{
	GitPtr g = git();
	if (!g) return;
	if (!g->isValidWorkingCopy()) return;

	Git::Diff diff;
	diff.path = path;
	diff.blob.a_id = id_left;
	diff.blob.b_id = id_right;
	diff.mode = "0";
	std::string text = diffObjects(g, diff.blob.a_id, diff.blob.b_id).toStdString();
	GitDiff::parseDiff(text, &diff, &diff);

	Git::Object obj = cat_file(g, diff.blob.a_id);
	setSideBySide(obj.content, diff, false, g->workingRepositoryDir());

	ui->widget_diff_slider->clear(false);

	resetScrollBarValue();
	updateControls();

	ui->widget_diff_slider->update();
	}

	void FileDiffWidget::resizeEvent(QResizeEvent *)
	{
	refrectScrollBar();
	}

	void FileDiffWidget::keyPressEvent(QKeyEvent *event)
	{
	if (event->key() == Qt::Key_Escape) {
	event->ignore(); // Escが押されたとき、親ウィジェットに処理させる。（通常、ウィンドウを閉じる、など）
	return;
	}

	if (focusWidget() == ui->widget_diff_left->texteditor()) {
	ui->widget_diff_left->write(event);
	} else if (focusWidget() == ui->widget_diff_right->texteditor()) {
	ui->widget_diff_right->write(event);
	}
	}

	void FileDiffWidget::scrollTo(int value)
	{
	ui->verticalScrollBar->setValue(value);
	}

	void FileDiffWidget::onVerticalScrollValueChanged(int)
	{
	refrectScrollBar();
	}

	void FileDiffWidget::onHorizontalScrollValueChanged(int)
	{
	refrectScrollBar();
	}

	void FileDiffWidget::onDiffWidgetWheelScroll(int lines)
	{
	while (lines > 0) {
	ui->verticalScrollBar->triggerAction(QScrollBar::SliderSingleStepAdd);
	lines--;
	}
	while (lines < 0) {
	ui->verticalScrollBar->triggerAction(QScrollBar::SliderSingleStepSub);
	lines++;
	}
	}

	void FileDiffWidget::onScrollValueChanged2(int value)
	{
	ui->verticalScrollBar->setValue(value);
	}

	void FileDiffWidget::onDiffWidgetResized()
	{
	updateControls();
	}

	void FileDiffWidget::on_toolButton_fullscreen_clicked()
	{
	+ if (m->init_param_.diff.blob.a_id.isEmpty() && m->init_param_.diff.blob.b_id.isEmpty()) {
	+ return;
	+ }
	+
	BigDiffWindow win(mainwindow());
	win.setWindowState(Qt::WindowMaximized);
	win.init(mainwindow(), m->init_param_);
	win.exec();
	}

	void FileDiffWidget::setFocusAcceptable(Qt::FocusPolicy focuspolicy)
	{
	// Qt::FocusPolicy focuspolicy = f ? Qt::ClickFocus : Qt::NoFocus;
	ui->widget_diff_left->setFocusPolicy(focuspolicy);
	ui->widget_diff_right->setFocusPolicy(focuspolicy);
	}

	void FileDiffWidget::onUpdateSliderBar()
	{
	int total = m->engine_left->document.lines.size();
	int value = ui->verticalScrollBar->value();
	int page = ui->verticalScrollBar->pageStep();
	ui->widget_diff_slider->setScrollPos(total, value, page);
	}

	void FileDiffWidget::refrectScrollBar()
	{
	ui->widget_diff_left->refrectScrollBar();
	ui->widget_diff_right->refrectScrollBar();
	onUpdateSliderBar();
	}

	QPixmap FileDiffWidget::makeDiffPixmap(DiffPane pane, int width, int height)
	{
	auto Do = [&](TextDiffLineList const &lines){
	return FileDiffSliderWidget::makeDiffPixmap(width, height, lines, global->theme);
	};
	if (pane == DiffPane::Left) return Do(m->left_lines);
	if (pane == DiffPane::Right) return Do(m->right_lines);
	return QPixmap();
	}

	void FileDiffWidget::onMoved(int cur_row, int cur_col, int scr_row, int scr_col)
	{
	(void)cur_col;
	(void)cur_row;
	ui->widget_diff_left->move(-1, -1, scr_row, scr_col, false);
	ui->widget_diff_right->move(-1, -1, scr_row, scr_col, false);
	refrectScrollBar();
	onUpdateSliderBar();
	}

	void FileDiffWidget::setTextCodec(QTextCodec *codec)
	{
	m->text_codec = codec;
	ui->widget_diff_left->setTextCodec(codec);
	ui->widget_diff_right->setTextCodec(codec);
	emit textcodecChanged();
	}

	void FileDiffWidget::setTextCodec(char const *name)
	{
	QTextCodec *codec = name ? QTextCodec::codecForName(name) : nullptr;
	setTextCodec(codec);
	}

	void FileDiffWidget::on_toolButton_menu_clicked()
	{
	QMenu menu;
	QAction *a_utf8 = menu.addAction("UTF-8");
	QAction *a_sjis = menu.addAction("SJIS (CP932)");
	QAction *a_eucjp = menu.addAction("EUC-JP");
	QAction *a_iso2022jp = menu.addAction("JIS (ISO-2022-JP)");
	QAction *a = menu.exec(QCursor::pos() + QPoint(8, -8));
	if (a) {
	if (a == a_utf8) {
	setTextCodec((char const *)nullptr);
	return;
	}
	if (a == a_sjis) {
	setTextCodec("Shift_JIS");
	return;
	}
	if (a == a_eucjp) {
	setTextCodec("EUC-JP");
	return;
	}
	if (a == a_iso2022jp) {
	setTextCodec("ISO-2022-JP");
	return;
	}
	}
	}
	diff --git a/src/FilesListWidget.cpp b/src/FilesListWidget.cpp
	index f35c835..88e32fd 100644
	--- a/src/FilesListWidget.cpp
	+++ b/src/FilesListWidget.cpp
	@@ -1,118 +1,100 @@
	#include "FilesListWidget.h"
	#include "BasicMainWindow.h"
	#include <QDebug>
	#include <QPainter>
	#include <QStyledItemDelegate>
	#include <map>

	namespace {
	class ItemDelegate : public QStyledItemDelegate {
	private:
	struct Badge {
	QString text;
	QColor color;
	QIcon icon;
	Badge() = default;
	Badge(QString const &text, QColor const &color, QIcon const &icon)
	: text(text)
	, color(color)
	, icon(icon)
	{
	}
	};
	std::map<QString, Badge> badge_map;
	public:
	ItemDelegate(QObject *parent)
	: QStyledItemDelegate(parent)
	{
	badge_map["(chg) "] = Badge("Chg", QColor(240, 240, 140), QIcon(":/image/chg.svg"));
	badge_map["(add) "] = Badge("Add", QColor(180, 240, 180), QIcon(":/image/add.svg"));
	badge_map["(del) "] = Badge("Del", QColor(255, 200, 200), QIcon(":/image/del.svg"));
	badge_map["(ren) "] = Badge("Ren", QColor(200, 210, 255), QIcon(":/image/ren.svg"));
	badge_map["(cpy) "] = Badge("Cpy", QColor(200, 210, 255), QIcon(":/image/cpy.svg"));
	}
	void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override
	{
	QStyleOptionViewItem o = option;
	QStyledItemDelegate::initStyleOption(&o, index);

	QString header = index.data(BasicMainWindow::HeaderRole).toString();
	qDebug() << header;

	int x = o.rect.x();
	int y = o.rect.y();
	int h = o.rect.height();
	int w = 2 + h + painter->fontMetrics().size(0, " Aaa").width() + 2;

	- auto ParseHeader = [](QString const &s){
	- ushort const *p = s.utf16();
	- if (p[0] == '(') {
	- int n = 1;
	- while (QChar(p[n]).isLetter() \|\| p[n] == '?') {
	- n++;
	- }
	- if (p[n] == ')' && p[n + 1] == ' ') {
	- n += 2;
	- while (p[n] == ' ') {
	- n++;
	- }
	- return n;
	- }
	- }
	- return 0;
	- };
	-
	// draw badge
	Badge badge;
	if (header == "(unmerged) ") {
	badge = Badge("Unmerged", QColor(255, 80, 160), QIcon());
	w = 4 + painter->fontMetrics().size(0, badge.text).width() + 4;
	}
	{
	QColor color;
	auto it = badge_map.find(header);
	if (it != badge_map.end()) {
	badge = it->second;
	color = badge.color;
	} else {
	color = badge.color.isValid() ? badge.color : QColor(160, 160, 160);
	}
	{
	QRect r(x, y, w, h);
	QRect r_icon = badge.icon.isNull() ? QRect() : QRect(x + 2, y + 1, h - 2, h - 2).adjusted(2, 2, -2, -2);
	QRect r_badge = r.adjusted(1, 1, -2, -2);
	QRect r_text = r.adjusted(r_icon.width(), 0, 0, 0);
	painter->setPen(Qt::NoPen);
	painter->setBrush(QBrush(color.darker(130)));
	painter->drawRoundedRect(r_badge.translated(1, 1), 3, 3);
	painter->setBrush(QBrush(color));
	painter->drawRoundedRect(r_badge, 3, 3);
	if (!badge.icon.isNull()) {
	painter->save();
	painter->setOpacity(0.5);
	badge.icon.paint(painter, r_icon);
	painter->restore();
	}
	painter->setPen(Qt::black);
	QTextOption to;
	to.setAlignment(Qt::AlignCenter \| Qt::AlignVCenter);
	if (badge.text.isEmpty()) {
	badge.text = "?";
	}
	painter->drawText(r_text, badge.text, to);
	}
	}
	o.rect.adjust(w, 0, 0, 0);

	// draw text
	option.widget->style()->drawControl(QStyle::CE_ItemViewItem, &o, painter, option.widget);
	}
	};
	}

	FilesListWidget::FilesListWidget(QWidget *parent)
	: QListWidget(parent)
	{
	item_delegate = new ItemDelegate(this);
	setItemDelegate(item_delegate);
	}
	diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
	index d7cfe69..550734c 100644
	--- a/src/MainWindow.cpp
	+++ b/src/MainWindow.cpp
	@@ -1,2698 +1,2698 @@
	#include "MainWindow.h"
	#include "ui_MainWindow.h"
	#include "AboutDialog.h"
	#include "ApplicationGlobal.h"
	#include "AreYouSureYouWantToContinueConnectingDialog.h"
	#include "AvatarLoader.h"
	#include "BlameWindow.h"
	#include "CloneFromGitHubDialog.h"
	#include "CommitPropertyDialog.h"
	#include "DeleteBranchDialog.h"
	#include "EditGitIgnoreDialog.h"
	#include "EditTagsDialog.h"
	#include "FileDiffWidget.h"
	#include "FindCommitDialog.h"
	#include "GitDiff.h"
	#include "JumpDialog.h"
	#include "LineEditDialog.h"
	#include "MySettings.h"
	#include "ObjectBrowserDialog.h"
	#include "ReflogWindow.h"
	#include "RemoteWatcher.h"
	#include "SetGpgSigningDialog.h"
	#include "SettingsDialog.h"
	#include "StatusLabel.h"
	#include "TextEditDialog.h"
	#include "common/joinpath.h"
	#include "common/misc.h"
	#include "platform.h"
	#include "webclient.h"
	#include <QClipboard>
	#include <QDirIterator>
	#include <QFileDialog>
	#include <QFileIconProvider>
	#include <QMessageBox>
	#include <QMimeData>
	#include <QPainter>
	#include <QStandardPaths>
	#include <QTimer>

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

	struct MainWindow::Private {
	bool is_online_mode = true;
	QTimer interval_10ms_timer;
	QTimer remote_watcher_timer;
	QImage graph_color;
	QPixmap digits;
	StatusLabel *status_bar_label;

	QObject *last_focused_file_list = nullptr;

	QListWidgetItem *last_selected_file_item = nullptr;

	bool searching = false;
	QString search_text;

	RemoteWatcher remote_watcher;

	int repos_panel_width = 0;
	};

	MainWindow::MainWindow(QWidget *parent)
	: BasicMainWindow(parent)
	, ui(new Ui::MainWindow)
	, m(new Private)
	{
	ui->setupUi(this);

	#ifdef Q_OS_MACX
	ui->action_about->setText("About Guitar...");
	ui->action_edit_settings->setText("Settings...");
	#endif

	ui->splitter_v->setSizes({100, 400});
	ui->splitter_h->setSizes({200, 100, 200});

	m->status_bar_label = new StatusLabel(this);
	ui->statusBar->addWidget(m->status_bar_label);

	ui->widget_diff_view->bind(this);

	qApp->installEventFilter(this);

	ui->widget_log->setupForLogWidget(ui->verticalScrollBar_log, ui->horizontalScrollBar_log, themeForTextEditor());
	onLogVisibilityChanged();

	initNetworking();

	showFileList(FilesListType::SingleList);

	m->digits.load(":/image/digits.png");
	m->graph_color = global->theme->graphColorMap();

	prepareLogTableWidget();

	#ifdef Q_OS_WIN
	{
	QFont font;

	font = ui->label_repo_name->font();
	font.setFamily("Meiryo");
	ui->label_repo_name->setFont(font);

	font = ui->label_branch_name->font();
	font.setFamily("Meiryo");
	ui->label_branch_name->setFont(font);
	}
	#endif

	connect(this, &BasicMainWindow::signalWriteLog, this, &BasicMainWindow::writeLog_);

	connect(ui->dockWidget_log, &QDockWidget::visibilityChanged, this, &MainWindow::onLogVisibilityChanged);
	connect(ui->widget_log, &TextEditorWidget::idle, this, &MainWindow::onLogIdle);

	connect(ui->treeWidget_repos, &RepositoriesTreeWidget::dropped, this, &MainWindow::onRepositoriesTreeDropped);

	connect((AbstractPtyProcess *)getPtyProcess(), &AbstractPtyProcess::completed, this, &MainWindow::onPtyProcessCompleted);

	connect(this, &BasicMainWindow::remoteInfoChanged, [&](){
	ui->lineEdit_remote->setText(currentRemoteName());
	});

	// リモート監視
	connect(this, &BasicMainWindow::signalCheckRemoteUpdate, &m->remote_watcher, &RemoteWatcher::checkRemoteUpdate);
	connect(&m->remote_watcher_timer, &QTimer::timeout, &m->remote_watcher, &RemoteWatcher::checkRemoteUpdate);
	connect(this, &MainWindow::updateButton, [&](){
	doUpdateButton();
	});
	m->remote_watcher.start(this);
	setRemoteMonitoringEnabled(true);

	connect(this, &MainWindow::signalSetRemoteChanged, [&](bool f){
	setRemoteChanged(f);
	updateButton();
	});

	//

	QString path = getBookmarksFilePath();
	*getReposPtr() = RepositoryBookmark::load(path);
	updateRepositoriesList();

	webContext()->set_keep_alive_enabled(true);
	getAvatarLoader()->start(this);
	connect(getAvatarLoader(), &AvatarLoader::updated, this, &MainWindow::onAvatarUpdated);

	*ptrUpdateFilesListCounter() = 0;

	connect(ui->widget_diff_view, &FileDiffWidget::textcodecChanged, [&](){ updateDiffView(); });

	if (!global->start_with_shift_key && appsettings()->remember_and_restore_window_position) {
	Qt::WindowStates state = windowState();
	MySettings settings;

	settings.beginGroup("MainWindow");
	bool maximized = settings.value("Maximized").toBool();
	restoreGeometry(settings.value("Geometry").toByteArray());
	settings.endGroup();
	if (maximized) {
	state \|= Qt::WindowMaximized;
	setWindowState(state);
	}
	}

	// setTabOrder(ui->treeWidget_repos, ui->widget_log);

	startTimers();
	}

	MainWindow::~MainWindow()
	{
	stopPtyProcess();

	getAvatarLoader()->stop();

	m->remote_watcher.quit();
	m->remote_watcher.wait();

	delete m;
	delete ui;
	}


	void MainWindow::notifyRemoteChanged(bool f)
	{
	postUserFunctionEvent([&](QVariant const &v){
	setRemoteChanged(v.toBool());
	updateButton();
	}, QVariant(f));
	}

	bool MainWindow::isUninitialized()
	{
	return !misc::isExecutable(appsettings()->git_command) \|\| !misc::isExecutable(appsettings()->file_command);
	}

	bool MainWindow::shown()
	{
	while (isUninitialized()) {
	if (!execWelcomeWizardDialog()) {
	return false;
	}
	}

	m->repos_panel_width = ui->stackedWidget_leftpanel->width();
	ui->stackedWidget_leftpanel->setCurrentWidget(ui->page_repos);
	ui->action_repositories_panel->setChecked(true);

	setGitCommand(appsettings()->git_command, false);
	setFileCommand(appsettings()->file_command, false);

	writeLog(AboutDialog::appVersion() + '\n'); // print application version
	logGitVersion(); // print git command version

	setGpgCommand(appsettings()->gpg_command, false);

	{
	MySettings settings;
	{
	settings.beginGroup("Remote");
	bool f = settings.value("Online", true).toBool();
	settings.endGroup();
	setRemoteOnline(f);
	}
	{
	settings.beginGroup("MainWindow");
	int n = settings.value("FirstColumnWidth", 50).toInt();
	if (n < 10) n = 50;
	ui->tableWidget_log->setColumnWidth(0, n);
	settings.endGroup();
	}
	}

	setUnknownRepositoryInfo();

	checkUser();

	return true;
	}

	void MainWindow::startTimers()
	{
	// interval 10ms

	connect(&m->interval_10ms_timer, &QTimer::timeout, [&](){
	const int ms = 10;
	auto *p1 = ptrUpdateCommitTableCounter();
	if (*p1 > 0) {
	if (*p1 > ms) {
	*p1 -= ms;
	} else {
	*p1 = 0;
	ui->tableWidget_log->viewport()->update();
	}
	}
	auto *p2 = ptrUpdateFilesListCounter();
	if (*p2 > 0) {
	if (*p2 > ms) {
	*p2 -= ms;
	} else {
	*p2 = 0;
	updateCurrentFilesList();
	}
	}
	});
	m->interval_10ms_timer.setInterval(10);
	m->interval_10ms_timer.start();

	startTimer(10);
	}

	void MainWindow::setCurrentLogRow(int row)
	{
	if (row >= 0 && row < ui->tableWidget_log->rowCount()) {
	ui->tableWidget_log->setCurrentCell(row, 2);
	ui->tableWidget_log->setFocus();
	updateStatusBarText();
	}
	}

	bool MainWindow::event(QEvent *event)
	{
	QEvent::Type et = event->type();
	if (et == QEvent::WindowActivate) {
	checkRemoteUpdate();
	} else if (et == QEvent::KeyPress) {
	auto e = dynamic_cast<QKeyEvent >(event);
	Q_ASSERT(e);
	int k = e->key();
	if (k == Qt::Key_Escape) {
	emit onEscapeKeyPressed();
	} else if (k == Qt::Key_Delete) {
	if (qApp->focusWidget() == ui->treeWidget_repos) {
	removeSelectedRepositoryFromBookmark(true);
	return true;
	}
	}
	}
	return BasicMainWindow::event(event);
	}

	bool MainWindow::eventFilter(QObject watched, QEvent event)
	{
	QEvent::Type et = event->type();

	if (et == QEvent::KeyPress) {
	if (QApplication::activeModalWidget()) {
	// thru
	} else {
	auto e = dynamic_cast<QKeyEvent >(event);
	Q_ASSERT(e);
	int k = e->key();
	if (k == Qt::Key_Escape) {
	if (centralWidget()->isAncestorOf(qApp->focusWidget())) {
	ui->treeWidget_repos->setFocus();
	return true;
	}
	}
	if (e->modifiers() & Qt::ControlModifier) {
	if (k == Qt::Key_Up \|\| k == Qt::Key_Down) {
	int rows = ui->tableWidget_log->rowCount();
	int row = ui->tableWidget_log->currentRow();
	if (k == Qt::Key_Up) {
	if (row > 0) {
	row--;
	}
	} else if (k == Qt::Key_Down) {
	if (row + 1 < rows) {
	row++;
	}
	}
	ui->tableWidget_log->setCurrentCell(row, 0);
	return true;
	}
	}
	if (watched == ui->treeWidget_repos) {
	if (k == Qt::Key_Enter \|\| k == Qt::Key_Return) {
	openSelectedRepository();
	return true;
	}
	if (!(e->modifiers() & Qt::ControlModifier)) {
	if (k >= 0 && k < 128 && QChar((uchar)k).isLetterOrNumber()) {
	appendCharToRepoFilter(k);
	return true;
	}
	if (k == Qt::Key_Backspace) {
	backspaceRepoFilter();
	return true;
	}
	if (k == Qt::Key_Escape) {
	clearRepoFilter();
	return true;
	}
	}
	} else if (watched == ui->tableWidget_log) {
	if (k == Qt::Key_Home) {
	setCurrentLogRow(0);
	return true;
	}
	if (k == Qt::Key_Escape) {
	ui->treeWidget_repos->setFocus();
	return true;
	}
	} else if (watched == ui->listWidget_files \|\| watched == ui->listWidget_unstaged \|\| watched == ui->listWidget_staged) {
	if (k == Qt::Key_Escape) {
	ui->tableWidget_log->setFocus();
	return true;
	}
	}
	}
	} else if (et == QEvent::FocusIn) {
	auto SelectItem = [](QListWidget *w){
	int row = w->currentRow();
	if (row < 0) {
	row = 0;
	w->setCurrentRow(row);
	}
	w->setItemSelected(w->item(row), true);
	w->viewport()->update();
	};
	// ファイルリストがフォーカスを得たとき、diffビューを更新する。（コンテキストメニュー対応）
	if (watched == ui->listWidget_unstaged) {
	m->last_focused_file_list = watched;
	updateStatusBarText();
	updateUnstagedFileCurrentItem();
	SelectItem(ui->listWidget_unstaged);
	return true;
	}
	if (watched == ui->listWidget_staged) {
	m->last_focused_file_list = watched;
	updateStatusBarText();
	updateStagedFileCurrentItem();
	SelectItem(ui->listWidget_staged);
	return true;
	}
	if (watched == ui->listWidget_files) {
	m->last_focused_file_list = watched;
	SelectItem(ui->listWidget_files);
	return true;
	}
	}
	return false;
	}

	void MainWindow::closeEvent(QCloseEvent *event)
	{
	MySettings settings;

	if (appsettings()->remember_and_restore_window_position) {
	setWindowOpacity(0);
	Qt::WindowStates state = windowState();
	bool maximized = (state & Qt::WindowMaximized) != 0;
	if (maximized) {
	state &= ~Qt::WindowMaximized;
	setWindowState(state);
	}
	{
	settings.beginGroup("MainWindow");
	settings.setValue("Maximized", maximized);
	settings.setValue("Geometry", saveGeometry());
	settings.endGroup();
	}
	}

	{
	settings.beginGroup("MainWindow");
	settings.setValue("FirstColumnWidth", ui->tableWidget_log->columnWidth(0));
	settings.endGroup();
	}

	QMainWindow::closeEvent(event);
	}

	void MainWindow::setStatusBarText(QString const &text)
	{
	m->status_bar_label->setText(text);
	}

	void MainWindow::clearStatusBarText()
	{
	setStatusBarText(QString());
	}



	void MainWindow::onLogVisibilityChanged()
	{
	ui->action_window_log->setChecked(ui->dockWidget_log->isVisible());
	}

	void MainWindow::internalWriteLog(char const *ptr, int len)
	{
	ui->widget_log->logicalMoveToBottom();
	ui->widget_log->write(ptr, len, false);
	ui->widget_log->setChanged(false);
	setInteractionCanceled(false);
	}

	void MainWindow::buildRepoTree(QString const &group, QTreeWidgetItem item, QList<RepositoryItem> repos)
	{
	QString name = item->text(0);
	if (isGroupItem(item)) {
	int n = item->childCount();
	for (int i = 0; i < n; i++) {
	QTreeWidgetItem *child = item->child(i);
	QString sub = group / name;
	buildRepoTree(sub, child, repos);
	}
	} else {
	RepositoryItem const *repo = repositoryItem(item);
	if (repo) {
	RepositoryItem newrepo = *repo;
	newrepo.name = name;
	newrepo.group = group;
	item->setData(0, IndexRole, repos->size());
	repos->push_back(newrepo);
	}
	}
	}

	void MainWindow::refrectRepositories()
	{
	QList<RepositoryItem> newrepos;
	int n = ui->treeWidget_repos->topLevelItemCount();
	for (int i = 0; i < n; i++) {
	QTreeWidgetItem *item = ui->treeWidget_repos->topLevelItem(i);
	buildRepoTree(QString(), item, &newrepos);
	}
	*getReposPtr() = std::move(newrepos);
	saveRepositoryBookmarks();
	}

	void MainWindow::onRepositoriesTreeDropped()
	{
	refrectRepositories();
	QTreeWidgetItem *item = ui->treeWidget_repos->currentItem();
	if (item) item->setExpanded(true);
	}

	const QPixmap &MainWindow::digitsPixmap() const
	{
	return m->digits;
	}

	int MainWindow::digitWidth() const
	{
	return 5;
	}

	int MainWindow::digitHeight() const
	{
	return 7;
	}

	void MainWindow::drawDigit(QPainter *pr, int x, int y, int n) const
	{
	int w = digitWidth();
	int h = digitHeight();
	pr->drawPixmap(x, y, w, h, m->digits, n * w, 0, w, h);
	}

	QString BasicMainWindow::defaultWorkingDir() const
	{
	return appsettings()->default_working_dir;
	}

	QColor MainWindow::color(unsigned int i)
	{
	unsigned int n = m->graph_color.width();
	if (n > 0) {
	n--;
	if (i > n) i = n;
	QRgb const p = (QRgb const )m->graph_color.scanLine(0);
	return QColor(qRed(p[i]), qGreen(p[i]), qBlue(p[i]));
	}
	return Qt::black;
	}

	QString MainWindow::currentWorkingCopyDir() const
	{
	QString workdir = BasicMainWindow::currentWorkingCopyDir();
	if (workdir.isEmpty()) {
	RepositoryItem const *repo = selectedRepositoryItem();
	if (repo) {
	workdir = repo->local_dir;
	return workdir;
	}
	}
	return workdir;
	}

	RepositoryItem const BasicMainWindow::findRegisteredRepository(QString workdir) const
	{
	workdir = QDir(workdir).absolutePath();
	workdir->replace('\\', '/');

	if (Git::isValidWorkingCopy(*workdir)) {
	for (RepositoryItem const &item : getRepos()) {
	Qt::CaseSensitivity cs = Qt::CaseSensitive;
	#ifdef Q_OS_WIN
	cs = Qt::CaseInsensitive;
	#endif
	if (workdir->compare(item.local_dir, cs) == 0) {
	return &item;
	}
	}
	}
	return nullptr;
	}

	int MainWindow::repositoryIndex_(QTreeWidgetItem const *item) const
	{
	if (item) {
	int i = item->data(0, IndexRole).toInt();
	if (i >= 0 && i < getRepos().size()) {
	return i;
	}
	}
	return -1;
	}

	RepositoryItem const MainWindow::repositoryItem(QTreeWidgetItem const item) const
	{
	int row = repositoryIndex_(item);
	auto const &repos = getRepos();
	return (row >= 0 && row < repos.size()) ? &repos[row] : nullptr;
	}

	RepositoryItem const *MainWindow::selectedRepositoryItem() const
	{
	return repositoryItem(ui->treeWidget_repos->currentItem());
	}

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

	QTreeWidgetItem *MainWindow::newQTreeWidgetFolderItem(QString const &name)
	{
	QTreeWidgetItem *item = newQTreeWidgetItem();
	item->setText(0, name);
	item->setData(0, IndexRole, GroupItem);
	item->setIcon(0, getFolderIcon());
	item->setFlags(item->flags() \| Qt::ItemIsEditable);
	return item;
	}

	void MainWindow::updateRepositoriesList()
	{
	QString path = getBookmarksFilePath();

	auto *repos = getReposPtr();
	*repos = RepositoryBookmark::load(path);

	QString filter = getRepositoryFilterText();

	ui->treeWidget_repos->clear();

	std::map<QString, QTreeWidgetItem *> parentmap;

	for (int i = 0; i < repos->size(); i++) {
	RepositoryItem const &repo = repos->at(i);
	if (!filter.isEmpty() && repo.name.indexOf(filter, 0, Qt::CaseInsensitive) < 0) {
	continue;
	}
	QTreeWidgetItem *parent = nullptr;
	{
	QString group = repo.group;
	if (group.startsWith('/')) {
	group = group.mid(1);
	}
	auto it = parentmap.find(group);
	if (it != parentmap.end()) {
	parent = it->second;
	}
	if (!parent) {
	QStringList list = group.split('/', QString::SkipEmptyParts);
	if (list.isEmpty()) {
	list.push_back(tr("Default"));
	}
	for (QString const &name : list) {
	if (name.isEmpty()) continue;
	if (!parent) {
	auto it = parentmap.find(name);
	if (it != parentmap.end()) {
	parent = it->second;
	} else {
	parent = newQTreeWidgetFolderItem(name);
	ui->treeWidget_repos->addTopLevelItem(parent);
	}
	} else {
	QTreeWidgetItem *child = newQTreeWidgetFolderItem(name);
	parent->addChild(child);
	parent = child;
	}
	parent->setExpanded(true);
	}
	Q_ASSERT(parent);
	parentmap[group] = parent;
	}
	parent->setData(0, FilePathRole, "");
	}
	QTreeWidgetItem *child = newQTreeWidgetItem();
	child->setText(0, repo.name);
	child->setData(0, IndexRole, i);
	child->setIcon(0, getRepositoryIcon());
	child->setFlags(child->flags() & ~Qt::ItemIsDropEnabled);
	parent->addChild(child);
	parent->setExpanded(true);
	}
	}

	void MainWindow::showFileList(FilesListType files_list_type)
	{
	switch (files_list_type) {
	case FilesListType::SingleList:
	ui->stackedWidget_filelist->setCurrentWidget(ui->page_files);
	break;
	case FilesListType::SideBySide:
	ui->stackedWidget_filelist->setCurrentWidget(ui->page_uncommited);
	break;
	}
	}

	void MainWindow::clearFileList()
	{
	showFileList(FilesListType::SingleList);
	ui->listWidget_unstaged->clear();
	ui->listWidget_staged->clear();
	ui->listWidget_files->clear();
	}

	void MainWindow::clearDiffView()
	{
	ui->widget_diff_view->clearDiffView();
	}

	void MainWindow::clearRepositoryInfo()
	{
	internalClearRepositoryInfo();
	ui->label_repo_name->setText(QString());
	ui->label_branch_name->setText(QString());
	}

	void MainWindow::setRepositoryInfo(QString const &reponame, QString const &brname)
	{
	ui->label_repo_name->setText(reponame);
	ui->label_branch_name->setText(brname);
	}

	void MainWindow::updateFilesList(QString id, bool wait)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	if (!wait) return;

	clearFileList();

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

	FilesListType files_list_type = FilesListType::SingleList;

	bool staged = false;
	auto AddItem = [&](QString const &filename, QString header, int idiff){
	if (header.isEmpty()) {
	header = "(??\?) "; // damn trigraph
	}
	QListWidgetItem *item = new QListWidgetItem(filename);
	item->setSizeHint(QSize(item->sizeHint().width(), 18));
	item->setData(FilePathRole, filename);
	item->setData(DiffIndexRole, idiff);
	item->setData(HunkIndexRole, -1);
	item->setData(HeaderRole, header);
	switch (files_list_type) {
	case FilesListType::SingleList:
	ui->listWidget_files->addItem(item);
	break;
	case FilesListType::SideBySide:
	if (staged) {
	ui->listWidget_staged->addItem(item);
	} else {
	ui->listWidget_unstaged->addItem(item);
	}
	break;
	}
	};

	if (id.isEmpty()) {
	bool uncommited = isThereUncommitedChanges();
	if (uncommited) {
	files_list_type = FilesListType::SideBySide;
	}
	if (!makeDiff(uncommited ? QString() : id, diffResult())) {
	return;
	}

	std::map<QString, int> diffmap;

	for (int idiff = 0; idiff < diffResult()->size(); idiff++) {
	Git::Diff const &diff = diffResult()->at(idiff);
	QString filename = diff.path;
	if (!filename.isEmpty()) {
	diffmap[filename] = idiff;
	}
	}

	showFileList(files_list_type);

	for (Git::FileStatus const &s : stats) {
	staged = (s.isStaged() && s.code_y() == ' ');
	int idiff = -1;
	QString header;
	auto it = diffmap.find(s.path1());
	if (it != diffmap.end()) {
	idiff = it->second;
	}
	QString path = s.path1();
	if (s.code() == Git::FileStatusCode::Unknown) {
	qDebug() << "something wrong...";
	} else if (s.code() == Git::FileStatusCode::Untracked) {
	// nop
	} else if (s.isUnmerged()) {
	header += "(unmerged) ";
	} else if (s.code() == Git::FileStatusCode::AddedToIndex) {
	header = "(add) ";
	} else if (s.code_x() == 'D' \|\| s.code_y() == 'D' \|\| s.code() == Git::FileStatusCode::DeletedFromIndex) {
	header = "(del) ";
	} else if (s.code_x() == 'R' \|\| s.code() == Git::FileStatusCode::RenamedInIndex) {
	header = "(ren) ";
	path = s.path2(); // renamed newer path
	} else if (s.code_x() == 'M' \|\| s.code_y() == 'M') {
	header = "(chg) ";
	}
	AddItem(path, header, idiff);
	}
	} else {
	if (!makeDiff(id, diffResult())) {
	return;
	}
	showFileList(files_list_type);
	addDiffItems(diffResult(), AddItem);
	}

	for (Git::Diff const &diff : *diffResult()) {
	QString key = GitDiff::makeKey(diff);
	(*getDiffCacheMap())[key] = diff;
	}
	}

	void MainWindow::updateFilesList(Git::CommitItem const &commit, bool wait)
	{
	QString id;
	if (Git::isUncommited(commit)) {
	// empty id for uncommited changes
	} else {
	id = commit.commit_id;
	}
	updateFilesList(id, wait);
	}

	void MainWindow::updateCurrentFilesList()
	{
	auto logs = getLogs();
	QTableWidgetItem *item = ui->tableWidget_log->item(selectedLogIndex(), 0);
	if (!item) return;
	int row = item->data(IndexRole).toInt();
	int count = (int)logs.size();
	if (row < count) {
	updateFilesList(logs[row], true);
	}
	}

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

	updateCommitGraph(); // コミットグラフを更新
	}

	void MainWindow::detectGitServerType(GitPtr const &g)
	{
	setServerType(ServerType::Standard);
	*ptrGitHub() = GitHubRepositoryInfo();

	QString push_url;
	QList<Git::Remote> remotes;
	g->getRemoteURLs(&remotes);
	for (Git::Remote const &r : remotes) {
	if (r.purpose == "push") {
	push_url = r.url;
	}
	}

	auto Check = [&](QString const &s){
	int i = push_url.indexOf(s);
	if (i > 0) return i + s.size();
	return 0;
	};

	// check GitHub
	int pos = Check("@github.com:");
	if (pos == 0) {
	pos = Check("://github.com/");
	}
	if (pos > 0) {
	int end = push_url.size();
	{
	QString s = ".git";
	if (push_url.endsWith(s)) {
	end -= s.size();
	}
	}
	QString s = push_url.mid(pos, end - pos);
	int i = s.indexOf('/');
	if (i > 0) {
	auto *p = ptrGitHub();
	QString user = s.mid(0, i);
	QString repo = s.mid(i + 1);
	p->owner_account_name = user;
	p->repository_name = repo;
	}
	setServerType(ServerType::GitHub);
	}
	}

	void MainWindow::clearLog()
	{
	clearLogs();
	clearLabelMap();
	setUncommitedChanges(false);
	ui->tableWidget_log->clearContents();
	ui->tableWidget_log->scrollToTop();
	}

	void MainWindow::openRepository_(GitPtr g, bool keep_selection)
	{
	getObjCache()->setup(g);

	int scroll_pos = -1;
	int select_row = -1;

	if (keep_selection) {
	scroll_pos = ui->tableWidget_log->verticalScrollBar()->value();
	select_row = ui->tableWidget_log->currentRow();
	}

	if (isValidWorkingCopy(g)) {

	bool do_fetch = isOnlineMode() && (getForceFetch() \|\| appsettings()->automatically_fetch_when_opening_the_repository);
	setForceFetch(false);
	if (do_fetch) {
	if (!fetch(g, false)) {
	return;
	}
	}

	clearLog();
	clearRepositoryInfo();

	detectGitServerType(g);

	updateFilesList(QString(), true);

	bool canceled = false;
	ui->tableWidget_log->setEnabled(false);

	// ログを取得
	setLogs(retrieveCommitLog(g));
	// ブランチを取得
	queryBranches(g);
	// タグを取得
	ptrTagMap()->clear();
	QList<Git::Tag> tags = g->tags();
	for (Git::Tag const &tag : tags) {
	Git::Tag t = tag;
	t.id = getObjCache()->getCommitIdFromTag(t.id);
	(*ptrTagMap())[t.id].push_back(t);
	}

	ui->tableWidget_log->setEnabled(true);
	updateCommitTableLater();
	if (canceled) return;

	QString branch_name;
	if (currentBranch().flags & Git::Branch::HeadDetachedAt) {
	branch_name += QString("(HEAD detached at %1)").arg(currentBranchName());
	}
	if (currentBranch().flags & Git::Branch::HeadDetachedFrom) {
	branch_name += QString("(HEAD detached from %1)").arg(currentBranchName());
	}
	if (branch_name.isEmpty()) {
	branch_name = currentBranchName();
	}

	QString repo_name = currentRepositoryName();
	setRepositoryInfo(repo_name, branch_name);
	} else {
	clearLog();
	clearRepositoryInfo();
	}


	updateRemoteInfo();

	updateWindowTitle(g);

	setHeadId(getObjCache()->revParse("HEAD"));

	if (isThereUncommitedChanges()) {
	Git::CommitItem item;
	item.parent_ids.push_back(currentBranch().id);
	item.message = tr("Uncommited changes");
	auto p = getLogsPtr();
	p->insert(p->begin(), item);
	}

	prepareLogTableWidget();

	auto const &logs = getLogs();
	const int count = logs.size();

	ui->tableWidget_log->setRowCount(count);

	int selrow = 0;

	for (int row = 0; row < count; row++) {
	Git::CommitItem const *commit = &logs[row];
	{
	auto *item = new QTableWidgetItem;
	item->setData(IndexRole, row);
	ui->tableWidget_log->setItem(row, 0, item);
	}
	int col = 1; // カラム0はコミットグラフなので、その次から
	auto AddColumn = [&](QString const &text, bool bold, QString const &tooltip){
	auto *item = new QTableWidgetItem(text);
	if (!tooltip.isEmpty()) {
	QString tt = tooltip;
	tt.replace('\n', ' ');
	tt = tt.toHtmlEscaped();
	tt = "<p style='white-space: pre'>" + tt + "</p>";
	item->setToolTip(tt);
	}
	if (bold) {
	QFont font = item->font();
	font.setBold(true);
	item->setFont(font);
	}
	ui->tableWidget_log->setItem(row, col, item);
	col++;
	};
	QString commit_id;
	QString datetime;
	QString author;
	QString message;
	QString message_ex;
	bool isHEAD = (commit->commit_id == getHeadId());
	bool bold = false;
	{
	if (Git::isUncommited(*commit)) { // 未コミットの時
	bold = true; // 太字
	selrow = row;
	} else {
	if (isHEAD && !isThereUncommitedChanges()) { // HEADで、未コミットがないとき
	bold = true; // 太字
	selrow = row;
	}
	commit_id = abbrevCommitID(*commit);
	}
	datetime = misc::makeDateTimeString(commit->commit_date);
	author = commit->author;
	message = commit->message;
	message_ex = makeCommitInfoText(row, &(*getLabelMap())[row]);
	}
	AddColumn(commit_id, false, QString());
	AddColumn(datetime, false, QString());
	AddColumn(author, false, QString());
	AddColumn(message, bold, message + message_ex);
	ui->tableWidget_log->setRowHeight(row, 24);
	}
	int t = ui->tableWidget_log->columnWidth(0);
	ui->tableWidget_log->resizeColumnsToContents();
	ui->tableWidget_log->setColumnWidth(0, t);
	ui->tableWidget_log->horizontalHeader()->setStretchLastSection(false);
	ui->tableWidget_log->horizontalHeader()->setStretchLastSection(true);

	m->last_focused_file_list = nullptr;

	ui->tableWidget_log->setFocus();

	if (select_row < 0) {
	setCurrentLogRow(selrow);
	} else {
	setCurrentLogRow(select_row);
	ui->tableWidget_log->verticalScrollBar()->setValue(scroll_pos >= 0 ? scroll_pos : 0);
	}

	m->remote_watcher.setCurrent(currentRemoteName(), currentBranchName());

	checkRemoteUpdate();
	doUpdateButton();
	}

	void MainWindow::removeSelectedRepositoryFromBookmark(bool ask)
	{
	int i = indexOfRepository(ui->treeWidget_repos->currentItem());
	removeRepositoryFromBookmark(i, ask);
	}

	void MainWindow::doUpdateButton()
	{
	setNetworkingCommandsEnabled(isOnlineMode());

	ui->toolButton_fetch->setDot(getRemoteChanged());

	Git::Branch b = currentBranch();
	ui->toolButton_push->setNumber(b.ahead > 0 ? b.ahead : -1);
	ui->toolButton_pull->setNumber(b.behind > 0 ? b.behind : -1);
	}

	void MainWindow::updateStatusBarText()
	{
	QString text;

	QWidget *w = qApp->focusWidget();
	if (w == ui->treeWidget_repos) {
	RepositoryItem const *repo = selectedRepositoryItem();
	if (repo) {
	text = QString("%1 : %2")
	.arg(repo->name)
	.arg(misc::normalizePathSeparator(repo->local_dir))
	;
	}
	} else if (w == ui->tableWidget_log) {
	QTableWidgetItem *item = ui->tableWidget_log->item(selectedLogIndex(), 0);
	if (item) {
	auto const &logs = getLogs();
	int row = item->data(IndexRole).toInt();
	if (row < (int)logs.size()) {
	Git::CommitItem const &commit = logs[row];
	if (Git::isUncommited(commit)) {
	text = tr("Uncommited changes");
	} else {
	QString id = commit.commit_id;
	text = QString("%1 : %2%3")
	.arg(id.mid(0, 7))
	.arg(commit.message)
	.arg(makeCommitInfoText(row, nullptr))
	;
	}
	}
	}
	}

	setStatusBarText(text);
	}

	void MainWindow::on_action_commit_triggered()
	{
	commit();
	}

	void MainWindow::on_action_fetch_triggered()
	{
	if (isOnlineMode()) {
	reopenRepository(true, [&](GitPtr g){
	fetch(g, false);
	});
	} else {
	updateRepository();
	}
	}

	void MainWindow::on_action_fetch_prune_triggered()
	{
	if (!isOnlineMode()) return;

	reopenRepository(true, [&](GitPtr g){
	fetch(g, true);
	});
	}

	void MainWindow::on_action_push_triggered()
	{
	push();
	}

	void MainWindow::on_action_pull_triggered()
	{
	if (!isOnlineMode()) return;

	reopenRepository(true, [&](GitPtr g){
	setPtyCondition(PtyCondition::Pull);
	setPtyProcessOk(true);
	g->pull(getPtyProcess());
	while (1) {
	if (getPtyProcess()->wait(1)) break;
	QApplication::processEvents();
	}
	});
	}

	void MainWindow::on_toolButton_push_clicked()
	{
	ui->action_push->trigger();
	}

	void MainWindow::on_toolButton_pull_clicked()
	{
	ui->action_pull->trigger();
	}

	void MainWindow::on_treeWidget_repos_currentItemChanged(QTreeWidgetItem * /current/, QTreeWidgetItem * /previous/)
	{
	updateStatusBarText();
	}

	void MainWindow::on_treeWidget_repos_itemDoubleClicked(QTreeWidgetItem * /item/, int /column/)
	{
	openSelectedRepository();
	}

	void BasicMainWindow::execCommitPropertyDialog(QWidget parent, Git::CommitItem const commit)
	{
	CommitPropertyDialog dlg(parent, this, commit);
	dlg.exec();
	}

	int MainWindow::indexOfRepository(QTreeWidgetItem const *treeitem) const
	{
	if (!treeitem) return -1;
	return treeitem->data(0, IndexRole).toInt();
	}

	void MainWindow::on_treeWidget_repos_customContextMenuRequested(const QPoint &pos)
	{
	QTreeWidgetItem *treeitem = ui->treeWidget_repos->currentItem();
	if (!treeitem) return;

	RepositoryItem const *repo = repositoryItem(treeitem);

	int index = indexOfRepository(treeitem);
	if (isGroupItem(treeitem)) { // group item
	QMenu menu;
	QAction *a_add_new_group = menu.addAction(tr("&Add new group"));
	QAction *a_delete_group = menu.addAction(tr("&Delete group"));
	QAction *a_rename_group = menu.addAction(tr("&Rename group"));
	QPoint pt = ui->treeWidget_repos->mapToGlobal(pos);
	QAction *a = menu.exec(pt + QPoint(8, -8));
	if (a) {
	if (a == a_add_new_group) {
	QTreeWidgetItem *child = newQTreeWidgetFolderItem(tr("New group"));
	treeitem->addChild(child);
	child->setFlags(child->flags() \| Qt::ItemIsEditable);
	ui->treeWidget_repos->setCurrentItem(child);
	return;
	}
	if (a == a_delete_group) {
	QTreeWidgetItem *parent = treeitem->parent();
	if (parent) {
	int i = parent->indexOfChild(treeitem);
	delete parent->takeChild(i);
	} else {
	int i = ui->treeWidget_repos->indexOfTopLevelItem(treeitem);
	delete ui->treeWidget_repos->takeTopLevelItem(i);
	}
	refrectRepositories();
	return;
	}
	if (a == a_rename_group) {
	ui->treeWidget_repos->editItem(treeitem);
	return;
	}
	}
	} else if (repo) { // repository item
	QString open_terminal = tr("Open &terminal");
	QString open_commandprompt = tr("Open command promp&t");
	QMenu menu;
	QAction *a_open = menu.addAction(tr("&Open"));
	menu.addSeparator();
	#ifdef Q_OS_WIN
	QAction *a_open_terminal = menu.addAction(open_commandprompt);
	(void)open_terminal;
	#else
	QAction *a_open_terminal = menu.addAction(open_terminal);
	(void)open_commandprompt;
	#endif
	a_open_terminal->setIcon(QIcon(":/image/terminal.svg"));

	QAction *a_open_folder = menu.addAction(tr("Open &folder"));
	a_open_folder->setIcon(QIcon(":/image/explorer.svg"));

	menu.addSeparator();

	QAction *a_remove = menu.addAction(tr("&Remove"));

	menu.addSeparator();

	QAction *a_properties = addMenuActionProperty(&menu);

	QPoint pt = ui->treeWidget_repos->mapToGlobal(pos);
	QAction *a = menu.exec(pt + QPoint(8, -8));

	if (a) {
	if (a == a_open) {
	openSelectedRepository();
	return;
	}
	if (a == a_open_folder) {
	openExplorer(repo);
	return;
	}
	if (a == a_open_terminal) {
	openTerminal(repo);
	return;
	}
	if (a == a_remove) {
	removeRepositoryFromBookmark(index, true);
	return;
	}
	if (a == a_properties) {
	execRepositoryPropertyDialog(repo->local_dir);
	return;
	}
	}
	}
	}

	void MainWindow::on_tableWidget_log_customContextMenuRequested(const QPoint &pos)
	{
	int row = selectedLogIndex();
	Git::CommitItem const *commit = commitItem(row);
	if (commit) {
	bool is_valid_commit_id = Git::isValidID(commit->commit_id);

	QMenu menu;

	QAction *a_copy_id_7_letters = menu.addAction(tr("Copy commit id (7 letters)"));
	QAction *a_copy_id_complete = menu.addAction(tr("Copy commit id (completely)"));

	menu.addSeparator();

	QAction *a_checkout = menu.addAction(tr("Checkout/Branch..."));

	menu.addSeparator();

	QAction *a_edit_message = nullptr;

	auto canEditMessage = [&](){
	if (commit->has_child) return false; // 子がないこと
	if (Git::isUncommited(*commit)) return false; // 未コミットがないこと
	bool is_head = false;
	bool has_remote_branch = false;
	QList<Label> const *labels = label(row);
	for (const Label &label : *labels) {
	if (label.kind == Label::Head) {
	is_head = true;
	} else if (label.kind == Label::RemoteBranch) {
	has_remote_branch = true;
	}
	}
	return is_head && !has_remote_branch; // HEAD && リモートブランチ無し
	};
	if (canEditMessage()) {
	a_edit_message = menu.addAction(tr("Edit message..."));
	}

	QAction *a_merge = is_valid_commit_id ? menu.addAction(tr("Merge")) : nullptr;
	QAction *a_rebase = is_valid_commit_id ? menu.addAction(tr("Rebase")) : nullptr;
	QAction *a_cherrypick = is_valid_commit_id ? menu.addAction(tr("Cherry-pick")) : nullptr;
	QAction *a_edit_tags = is_valid_commit_id ? menu.addAction(tr("Edit tags...")) : nullptr;
	QAction *a_revert = is_valid_commit_id ? menu.addAction(tr("Revert")) : nullptr;

	QAction *a_reset_head = nullptr;
	#if 0 // 下手に使うと危険なので、とりあえず無効にしておく
	if (is_valid_commit_id && commit->commit_id == head_id_) {
	a_reset_head = menu.addAction(tr("Reset HEAD"));
	}
	#endif

	menu.addSeparator();

	QAction *a_delbranch = is_valid_commit_id ? menu.addAction(tr("Delete branch...")) : nullptr;
	QAction *a_delrembranch = remoteBranches(commit->commit_id, nullptr).isEmpty() ? nullptr : menu.addAction(tr("Delete remote branch..."));

	menu.addSeparator();

	QAction *a_explore = is_valid_commit_id ? menu.addAction(tr("Explore")) : nullptr;
	QAction *a_properties = addMenuActionProperty(&menu);

	QAction *a = menu.exec(ui->tableWidget_log->viewport()->mapToGlobal(pos) + QPoint(8, -8));
	if (a) {
	if (a == a_copy_id_7_letters) {
	qApp->clipboard()->setText(commit->commit_id.mid(0, 7));
	return;
	}
	if (a == a_copy_id_complete) {
	qApp->clipboard()->setText(commit->commit_id);
	return;
	}
	if (a == a_properties) {
	execCommitPropertyDialog(this, commit);
	return;
	}
	if (a == a_edit_message) {
	commitAmend();
	return;
	}
	if (a == a_checkout) {
	checkout(this, commit);
	return;
	}
	if (a == a_delbranch) {
	deleteBranch(commit);
	return;
	}
	if (a == a_delrembranch) {
	deleteRemoteBranch(commit);
	return;
	}
	if (a == a_merge) {
	mergeBranch(commit);
	return;
	}
	if (a == a_rebase) {
	rebaseBranch(commit);
	return;
	}
	if (a == a_cherrypick) {
	cherrypick(commit);
	return;
	}
	if (a == a_edit_tags) {
	ui->action_edit_tags->trigger();
	return;
	}
	if (a == a_revert) {
	revertCommit();
	return;
	}
	if (a == a_explore) {
	execCommitExploreWindow(this, commit);
	return;
	}
	if (a == a_reset_head) {
	reopenRepository(false, [](GitPtr g){
	g->reset_head1();
	});
	return;
	}
	}
	}
	}

	void MainWindow::on_listWidget_files_customContextMenuRequested(const QPoint &pos)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	QMenu menu;
	QAction *a_delete = menu.addAction(tr("Delete"));
	QAction *a_untrack = menu.addAction(tr("Untrack"));
	QAction *a_history = menu.addAction(tr("History"));
	QAction *a_blame = menu.addAction(tr("Blame"));
	QAction *a_properties = addMenuActionProperty(&menu);

	QPoint pt = ui->listWidget_files->mapToGlobal(pos) + QPoint(8, -8);
	QAction *a = menu.exec(pt);
	if (a) {
	QListWidgetItem *item = ui->listWidget_files->currentItem();
	if (a == a_delete) {
	if (askAreYouSureYouWantToRun("Delete", tr("Delete selected files."))) {
	for_each_selected_files([&](QString const &path){
	g->removeFile(path);
	g->chdirexec([&](){
	QFile(path).remove();
	return true;
	});
	});
	openRepository(false);
	}
	} else if (a == a_untrack) {
	if (askAreYouSureYouWantToRun("Untrack", tr("rm --cached files"))) {
	for_each_selected_files([&](QString const &path){
	g->rm_cached(path);
	});
	openRepository(false);
	}
	} else if (a == a_history) {
	execFileHistory(item);
	} else if (a == a_blame) {
	blame(item);
	} else if (a == a_properties) {
	execFilePropertyDialog(item);
	}
	}
	}

	void MainWindow::on_listWidget_unstaged_customContextMenuRequested(const QPoint &pos)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	QList<QListWidgetItem *> items = ui->listWidget_unstaged->selectedItems();
	if (!items.isEmpty()) {
	QMenu menu;
	QAction *a_stage = menu.addAction(tr("Stage"));
	QAction *a_reset_file = menu.addAction(tr("Reset"));
	QAction *a_ignore = menu.addAction(tr("Ignore"));
	QAction *a_delete = menu.addAction(tr("Delete"));
	QAction *a_untrack = menu.addAction(tr("Untrack"));
	QAction *a_history = menu.addAction(tr("History"));
	QAction *a_blame = menu.addAction(tr("Blame"));
	QAction *a_properties = addMenuActionProperty(&menu);
	QPoint pt = ui->listWidget_unstaged->mapToGlobal(pos) + QPoint(8, -8);
	QAction *a = menu.exec(pt);
	if (a) {
	QListWidgetItem *item = ui->listWidget_unstaged->currentItem();
	if (a == a_stage) {
	for_each_selected_files([&](QString const &path){
	g->stage(path);
	});
	updateCurrentFilesList();
	return;
	}
	if (a == a_reset_file) {
	QStringList paths;
	for_each_selected_files([&](QString const &path){
	paths.push_back(path);
	});
	resetFile(paths);
	return;
	}
	if (a == a_ignore) {
	QString gitignore_path = currentWorkingCopyDir() / ".gitignore";
	if (items.size() == 1) {
	QString file = getFilePath(items[0]);
	EditGitIgnoreDialog dlg(this, gitignore_path, file);
	if (dlg.exec() == QDialog::Accepted) {
	QString appending = dlg.text();
	if (!appending.isEmpty()) {
	QString text;

	QString path = gitignore_path;
	path.replace('/', QDir::separator());

	{
	QFile file(path);
	if (file.open(QFile::ReadOnly)) {
	text += QString::fromUtf8(file.readAll());
	}
	}

	size_t n = text.size();
	if (n > 0 && text[(int)n - 1] != '\n') {
	text += '\n'; // 最後に改行を追加
	}

	text += appending + '\n';

	{
	QFile file(path);
	if (file.open(QFile::WriteOnly)) {
	file.write(text.toUtf8());
	}
	}
	updateCurrentFilesList();
	return;
	}
	} else {
	return;
	}
	}

	QString append;
	for_each_selected_files([&](QString const &path){
	if (path == ".gitignore") {
	// skip
	} else {
	append += path + '\n';
	}
	});
	if (TextEditDialog::editFile(this, gitignore_path, ".gitignore", append)) {
	updateCurrentFilesList();
	}
	return;
	}
	if (a == a_delete) {
	if (askAreYouSureYouWantToRun("Delete", "Delete selected files.")) {
	for_each_selected_files([&](QString const &path){
	g->removeFile(path);
	g->chdirexec([&](){
	QFile(path).remove();
	return true;
	});
	});
	openRepository(false);
	}
	return;
	}
	if (a == a_untrack) {
	if (askAreYouSureYouWantToRun("Untrack", "rm --cached")) {
	for_each_selected_files([&](QString const &path){
	g->rm_cached(path);
	});
	openRepository(false);
	}
	return;
	}
	if (a == a_history) {
	execFileHistory(item);
	return;
	}
	if (a == a_blame) {
	blame(item);
	return;
	}
	if (a == a_properties) {
	execFilePropertyDialog(item);
	return;
	}
	}
	}
	}

	void MainWindow::on_listWidget_staged_customContextMenuRequested(const QPoint &pos)
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	QListWidgetItem *item = ui->listWidget_staged->currentItem();
	if (item) {
	QString path = getFilePath(item);
	QString fullpath = currentWorkingCopyDir() / path;
	if (QFileInfo(fullpath).isFile()) {
	QMenu menu;
	QAction *a_unstage = menu.addAction(tr("Unstage"));
	QAction *a_history = menu.addAction(tr("History"));
	QAction *a_blame = menu.addAction(tr("Blame"));
	QAction *a_properties = addMenuActionProperty(&menu);
	QPoint pt = ui->listWidget_staged->mapToGlobal(pos) + QPoint(8, -8);
	QAction *a = menu.exec(pt);
	if (a) {
	QListWidgetItem *item = ui->listWidget_unstaged->currentItem();
	if (a == a_unstage) {
	g->unstage(path);
	openRepository(false);
	} else if (a == a_history) {
	execFileHistory(item);
	} else if (a == a_blame) {
	blame(item);
	} else if (a == a_properties) {
	execFilePropertyDialog(item);
	}
	}
	}
	}
	}

	QStringList MainWindow::selectedFiles_(QListWidget *listwidget) const
	{
	QStringList list;
	QList<QListWidgetItem *> items = listwidget->selectedItems();
	for (QListWidgetItem *item : items) {
	QString path = getFilePath(item);
	list.push_back(path);
	}
	return list;

	}

	QStringList MainWindow::selectedFiles() const
	{
	if (m->last_focused_file_list == ui->listWidget_files) return selectedFiles_(ui->listWidget_files);
	if (m->last_focused_file_list == ui->listWidget_staged) return selectedFiles_(ui->listWidget_staged);
	if (m->last_focused_file_list == ui->listWidget_unstaged) return selectedFiles_(ui->listWidget_unstaged);
	return QStringList();
	}

	void MainWindow::for_each_selected_files(std::function<void(QString const&)> const &fn)
	{
	for (QString const &path : selectedFiles()) {
	fn(path);
	}
	}

	void BasicMainWindow::execFileHistory(QListWidgetItem *item)
	{
	if (item) {
	QString path = getFilePath(item);
	if (!path.isEmpty()) {
	execFileHistory(path);
	}
	}
	}

	void MainWindow::doLogCurrentItemChanged()
	{
	clearFileList();

	QTableWidgetItem *item = ui->tableWidget_log->item(selectedLogIndex(), 0);
	if (!item) return;

	auto const &logs = getLogs();
	int row = item->data(IndexRole).toInt();
	if (row < (int)logs.size()) {
	updateStatusBarText();
	*ptrUpdateFilesListCounter() = 200;
	}
	}

	void MainWindow::findNext()
	{
	if (m->search_text.isEmpty()) {
	return;
	}
	auto const &logs = getLogs();
	for (int pass = 0; pass < 2; pass++) {
	int row = 0;
	if (pass == 0) {
	row = selectedLogIndex();
	if (row < 0) {
	row = 0;
	} else if (m->searching) {
	row++;
	}
	}
	- while (row < logs.size()) {
	+ while (row < (int)logs.size()) {
	Git::CommitItem const commit = logs[row];
	if (!Git::isUncommited(commit)) {
	if (commit.message.indexOf(m->search_text, 0, Qt::CaseInsensitive) >= 0) {
	bool b = ui->tableWidget_log->blockSignals(true);
	setCurrentLogRow(row);
	ui->tableWidget_log->blockSignals(b);
	m->searching = true;
	return;
	}
	}
	row++;
	}
	}
	}

	void MainWindow::findText(QString const &text)
	{
	m->search_text = text;
	}

	void MainWindow::on_action_open_existing_working_copy_triggered()
	{
	QString dir = defaultWorkingDir();
	dir = QFileDialog::getExistingDirectory(this, tr("Add existing working copy"), dir);
	addWorkingCopyDir(dir, false);
	}

	void MainWindow::on_action_view_refresh_triggered()
	{
	openRepository(true);
	}

	void MainWindow::on_tableWidget_log_currentItemChanged(QTableWidgetItem * /current/, QTableWidgetItem * /previous/)
	{
	doLogCurrentItemChanged();
	m->searching = false;
	}

	void MainWindow::on_toolButton_stage_clicked()
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	g->stage(selectedFiles());
	updateCurrentFilesList();
	}

	void MainWindow::on_toolButton_unstage_clicked()
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	g->unstage(selectedFiles());
	updateCurrentFilesList();
	}

	void MainWindow::on_toolButton_select_all_clicked()
	{
	if (ui->listWidget_unstaged->count() > 0) {
	ui->listWidget_unstaged->setFocus();
	ui->listWidget_unstaged->selectAll();
	} else if (ui->listWidget_staged->count() > 0) {
	ui->listWidget_staged->setFocus();
	ui->listWidget_staged->selectAll();
	}
	}

	void MainWindow::on_toolButton_commit_clicked()
	{
	ui->action_commit->trigger();
	}



	void MainWindow::on_action_edit_global_gitconfig_triggered()
	{
	QString dir = QStandardPaths::writableLocation(QStandardPaths::HomeLocation);
	QString path = dir / ".gitconfig";
	editFile(path, ".gitconfig");
	}

	void MainWindow::on_action_edit_git_config_triggered()
	{
	QString dir = currentWorkingCopyDir();
	QString path = dir / ".git/config";
	editFile(path, ".git/config");
	}

	void MainWindow::on_action_edit_gitignore_triggered()
	{
	QString dir = currentWorkingCopyDir();
	QString path = dir / ".gitignore";
	if (editFile(path, ".gitignore")) {
	updateCurrentFilesList();
	}
	}

	int MainWindow::selectedLogIndex() const
	{
	auto const &logs = getLogs();
	int i = ui->tableWidget_log->currentRow();
	if (i >= 0 && i < (int)logs.size()) {
	return i;
	}
	return -1;
	}

	void MainWindow::updateDiffView(QListWidgetItem *item)
	{
	clearDiffView();

	m->last_selected_file_item = item;

	if (!item) return;

	int idiff = indexOfDiff(item);
	if (idiff >= 0 && idiff < diffResult()->size()) {
	Git::Diff const &diff = diffResult()->at(idiff);
	QString key = GitDiff::makeKey(diff);
	auto it = getDiffCacheMap()->find(key);
	if (it != getDiffCacheMap()->end()) {
	auto const &logs = getLogs();
	int row = ui->tableWidget_log->currentRow();
	bool uncommited = (row >= 0 && row < (int)logs.size() && Git::isUncommited(logs[row]));
	ui->widget_diff_view->updateDiffView(it->second, uncommited);
	}
	}
	}

	void MainWindow::updateDiffView()
	{
	updateDiffView(m->last_selected_file_item);
	}

	void MainWindow::updateUnstagedFileCurrentItem()
	{
	updateDiffView(ui->listWidget_unstaged->currentItem());
	}

	void MainWindow::updateStagedFileCurrentItem()
	{
	updateDiffView(ui->listWidget_staged->currentItem());
	}

	void MainWindow::on_listWidget_unstaged_currentRowChanged(int /currentRow/)
	{
	updateUnstagedFileCurrentItem();
	}

	void MainWindow::on_listWidget_staged_currentRowChanged(int /currentRow/)
	{
	updateStagedFileCurrentItem();
	}

	void MainWindow::on_listWidget_files_currentRowChanged(int /currentRow/)
	{
	updateDiffView(ui->listWidget_files->currentItem());
	}

	void MainWindow::setWatchRemoteInterval(int mins)
	{
	if (mins > 0) {
	m->remote_watcher_timer.start(mins * 60000);
	} else {
	m->remote_watcher_timer.stop();
	}
	}

	void MainWindow::setRemoteMonitoringEnabled(bool enable)
	{
	if (enable) {
	setWatchRemoteInterval(appsettings()->watch_remote_changes_every_mins);
	} else {
	setWatchRemoteInterval(0);
	}
	}

	void MainWindow::dragEnterEvent(QDragEnterEvent *event)
	{
	if (QApplication::modalWindow()) return;

	if (event->mimeData()->hasUrls()) {
	event->acceptProposedAction();
	event->accept();
	}
	}

	void MainWindow::timerEvent(QTimerEvent *)
	{
	bool running = getPtyProcess()->isRunning();
	if (ui->toolButton_stop_process->isEnabled() != running) {
	ui->toolButton_stop_process->setEnabled(running);
	ui->action_stop_process->setEnabled(running);
	setNetworkingCommandsEnabled(!running);
	}
	if (!running) {
	setInteractionMode(InteractionMode::None);
	}

	while (1) {
	char tmp[1024];
	int len = getPtyProcess()->readOutput(tmp, sizeof(tmp));
	if (len < 1) break;
	writeLog(tmp, len);
	}
	}

	void MainWindow::keyPressEvent(QKeyEvent *event)
	{
	int c = event->key();
	if (c == Qt::Key_T && (event->modifiers() & Qt::ControlModifier)) {
	test();
	return;
	}
	if (QApplication::focusWidget() == ui->widget_log) {

	auto write_char = [&](char c){
	if (getPtyProcess()->isRunning()) {
	getPtyProcess()->writeInput(&c, 1);
	}
	};

	auto write_text = [&](QString const &str){
	std::string s = str.toStdString();
	for (char i : s) {
	write_char(i);
	}
	};

	if (c == Qt::Key_Return \|\| c == Qt::Key_Enter) {
	write_char('\n');
	} else {
	QString text = event->text();
	write_text(text);
	}
	}
	}

	void MainWindow::on_action_edit_settings_triggered()
	{
	SettingsDialog dlg(this);
	if (dlg.exec() == QDialog::Accepted) {
	ApplicationSettings const &newsettings = dlg.settings();
	setAppSettings(newsettings);
	setGitCommand(appsettings()->git_command, false);
	setFileCommand(appsettings()->file_command, false);
	setGpgCommand(appsettings()->gpg_command, false);
	setRemoteMonitoringEnabled(true);
	}
	}

	void MainWindow::onCloneCompleted(bool success, QVariant const &userdata)
	{
	if (success) {
	RepositoryItem r = userdata.value<RepositoryItem>();
	saveRepositoryBookmark(r);
	setCurrentRepository(r, false);
	openRepository(true);
	}
	}

	void MainWindow::onPtyProcessCompleted(bool /ok/, QVariant const &userdata)
	{
	switch (getPtyCondition()) {
	case PtyCondition::Clone:
	onCloneCompleted(getPtyProcessOk(), userdata);
	break;
	}
	setPtyCondition(PtyCondition::None);
	}

	void MainWindow::on_action_clone_triggered()
	{
	clone();
	}

	void MainWindow::on_action_about_triggered()
	{
	AboutDialog dlg(this);
	dlg.exec();
	}

	void MainWindow::on_toolButton_clone_clicked()
	{
	ui->action_clone->trigger();
	}

	void MainWindow::on_toolButton_fetch_clicked()
	{
	ui->action_fetch->trigger();
	}

	void MainWindow::clearRepoFilter()
	{
	ui->lineEdit_filter->clear();
	}

	void MainWindow::appendCharToRepoFilter(ushort c)
	{
	if (QChar(c).isLetter()) {
	c = QChar(c).toLower().unicode();
	}
	ui->lineEdit_filter->setText(getRepositoryFilterText() + c);
	}

	void MainWindow::backspaceRepoFilter()
	{
	QString s = getRepositoryFilterText();
	int n = s.size();
	if (n > 0) {
	s = s.mid(0, n - 1);
	}
	ui->lineEdit_filter->setText(s);
	}

	void MainWindow::on_lineEdit_filter_textChanged(QString const &text)
	{
	setRepositoryFilterText(text);
	updateRepositoriesList();
	}

	void MainWindow::on_toolButton_erase_filter_clicked()
	{
	clearRepoFilter();
	ui->lineEdit_filter->setFocus();
	}

	void MainWindow::deleteTags(QStringList const &tagnames)
	{
	int row = ui->tableWidget_log->currentRow();

	internalDeleteTags(tagnames);

	ui->tableWidget_log->selectRow(row);
	}

	void MainWindow::revertCommit()
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	Git::CommitItem const *commit = selectedCommitItem();
	if (commit) {
	g->revert(commit->commit_id);
	openRepository(false);
	}
	}

	bool MainWindow::addTag(QString const &name)
	{
	int row = ui->tableWidget_log->currentRow();

	bool ok = internalAddTag(name);

	ui->tableWidget_log->selectRow(row);
	return ok;
	}

	void MainWindow::on_action_push_all_tags_triggered()
	{
	reopenRepository(false, [&](GitPtr g){
	g->push(true);
	});
	}

	void MainWindow::on_tableWidget_log_itemDoubleClicked(QTableWidgetItem *)
	{
	Git::CommitItem const *commit = selectedCommitItem();
	if (commit) {
	execCommitPropertyDialog(this, commit);
	}
	}

	void MainWindow::on_listWidget_unstaged_itemDoubleClicked(QListWidgetItem * item)
	{
	execFilePropertyDialog(item);
	}

	void MainWindow::on_listWidget_staged_itemDoubleClicked(QListWidgetItem *item)
	{
	execFilePropertyDialog(item);
	}

	void MainWindow::on_listWidget_files_itemDoubleClicked(QListWidgetItem *item)
	{
	execFilePropertyDialog(item);
	}

	QListWidgetItem *MainWindow::currentFileItem() const
	{
	QListWidget *listwidget = nullptr;
	if (ui->stackedWidget_filelist->currentWidget() == ui->page_uncommited) {
	QWidget *w = qApp->focusWidget();
	if (w == ui->listWidget_unstaged) {
	listwidget = ui->listWidget_unstaged;
	} else if (w == ui->listWidget_staged) {
	listwidget = ui->listWidget_staged;
	}
	} else {
	listwidget = ui->listWidget_files;
	}
	if (listwidget) {
	return listwidget->currentItem();
	}
	return nullptr;
	}

	void MainWindow::on_action_set_config_user_triggered()
	{
	Git::User global_user;
	Git::User repo_user;
	GitPtr g = git();
	if (isValidWorkingCopy(g)) {
	repo_user = g->getUser(Git::Source::Local);
	}
	global_user = g->getUser(Git::Source::Global);

	execSetUserDialog(global_user, repo_user, currentRepositoryName());
	}

	void MainWindow::on_action_window_log_triggered(bool checked)
	{
	ui->dockWidget_log->setVisible(checked);
	}

	void MainWindow::on_action_repo_jump_triggered()
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	NamedCommitList items = namedCommitItems(Branches \| Tags \| Remotes);
	{
	NamedCommitItem head;
	head.name = "HEAD";
	head.id = getHeadId();
	items.push_front(head);
	}
	JumpDialog dlg(this, items);
	if (dlg.exec() == QDialog::Accepted) {
	QString text = dlg.text();
	if (text.isEmpty()) return;
	QString id = g->rev_parse(text);
	if (id.isEmpty() && Git::isValidID(text)) {
	QStringList list = findGitObject(text);
	if (list.isEmpty()) {
	QMessageBox::warning(this, tr("Jump"), QString("%1\n\n").arg(text) + tr("No such commit"));
	return;
	}
	ObjectBrowserDialog dlg2(this, list);
	if (dlg2.exec() == QDialog::Accepted) {
	id = dlg2.text();
	if (id.isEmpty()) return;
	}
	}
	if (g->objectType(id) == "tag") {
	id = getObjCache()->getCommitIdFromTag(id);
	}
	int row = rowFromCommitId(id);
	if (row < 0) {
	QMessageBox::warning(this, tr("Jump"), QString("%1\n(%2)\n\n").arg(text).arg(id) + tr("No such commit"));
	} else {
	setCurrentLogRow(row);
	}
	}
	}

	void MainWindow::mergeBranch(Git::CommitItem const *commit)
	{
	if (!commit) return;

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

	g->mergeBranch(commit->commit_id);
	openRepository(true);
	}

	void MainWindow::rebaseBranch(Git::CommitItem const *commit)
	{
	if (!commit) return;

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

	QString text = tr("Are you sure you want to rebase the commit ?");
	text += "\n\n";
	text += "> git rebase " + commit->commit_id;
	int r = QMessageBox::information(this, tr("Rebase"), text, QMessageBox::Ok, QMessageBox::Cancel);
	if (r == QMessageBox::Ok) {
	g->rebaseBranch(commit->commit_id);
	openRepository(true);
	}
	}

	void MainWindow::cherrypick(Git::CommitItem const *commit)
	{
	if (!commit) return;

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

	g->cherrypick(commit->commit_id);
	openRepository(true);
	}

	void MainWindow::on_action_repo_checkout_triggered()
	{
	checkout();
	}

	void MainWindow::on_action_delete_branch_triggered()
	{
	deleteBranch();
	}

	void MainWindow::on_toolButton_terminal_clicked()
	{
	openTerminal(nullptr);
	}

	void MainWindow::on_toolButton_explorer_clicked()
	{
	openExplorer(nullptr);
	}

	void MainWindow::on_action_reset_HEAD_1_triggered()
	{
	GitPtr g = git();
	if (!isValidWorkingCopy(g)) return;

	g->reset_head1();
	openRepository(false);
	}

	void MainWindow::on_action_create_a_repository_triggered()
	{
	createRepository(QString());
	}

	void MainWindow::setNetworkingCommandsEnabled(bool f)
	{
	ui->action_clone->setEnabled(f);

	ui->toolButton_clone->setEnabled(f);

	if (!Git::isValidWorkingCopy(currentWorkingCopyDir())) {
	f = false;
	}

	bool opened = !currentRepository().name.isEmpty();
	ui->action_fetch->setEnabled(f \|\| opened);
	ui->toolButton_fetch->setEnabled(f \|\| opened);

	if (isOnlineMode()) {
	ui->action_fetch->setText(tr("Fetch"));
	ui->toolButton_fetch->setText(tr("Fetch"));
	} else {
	ui->action_fetch->setText(tr("Update"));
	ui->toolButton_fetch->setText(tr("Update"));
	}

	ui->action_fetch_prune->setEnabled(f);
	ui->action_pull->setEnabled(f);
	ui->action_push->setEnabled(f);
	ui->action_push_u->setEnabled(f);
	ui->action_push_all_tags->setEnabled(f);

	ui->toolButton_pull->setEnabled(f);
	ui->toolButton_push->setEnabled(f);
	}

	bool MainWindow::isOnlineMode() const
	{
	return m->is_online_mode;
	}

	void MainWindow::setRemoteOnline(bool f)
	{
	m->is_online_mode = f;

	QRadioButton *rb = nullptr;
	rb = f ? ui->radioButton_remote_online : ui->radioButton_remote_offline;
	rb->blockSignals(true);
	rb->click();
	rb->blockSignals(false);

	ui->action_online->setCheckable(true);
	ui->action_offline->setCheckable(true);
	ui->action_online->setChecked(f);
	ui->action_offline->setChecked(!f);

	setNetworkingCommandsEnabled(f);

	MySettings s;
	s.beginGroup("Remote");
	s.setValue("Online", f);
	s.endGroup();
	}

	void MainWindow::on_radioButton_remote_online_clicked()
	{
	setRemoteOnline(true);
	}

	void MainWindow::on_radioButton_remote_offline_clicked()
	{
	setRemoteOnline(false);
	}

	void MainWindow::on_verticalScrollBar_log_valueChanged(int)
	{
	ui->widget_log->refrectScrollBar();
	}

	void MainWindow::on_horizontalScrollBar_log_valueChanged(int)
	{
	ui->widget_log->refrectScrollBar();
	}

	void MainWindow::on_toolButton_stop_process_clicked()
	{
	abortPtyProcess();
	}

	void MainWindow::on_action_stop_process_triggered()
	{
	abortPtyProcess();
	}

	void MainWindow::on_action_exit_triggered()
	{
	close();
	}

	void MainWindow::on_action_reflog_triggered()
	{
	GitPtr g = git();
	Git::ReflogItemList reflog;
	g->reflog(&reflog);

	ReflogWindow dlg(this, this, reflog);
	dlg.exec();
	}

	void MainWindow::blame(QListWidgetItem *item)
	{
	QList<BlameItem> list;
	QString path = getFilePath(item);
	{
	GitPtr g = git();
	QByteArray ba = g->blame(path);
	if (!ba.isEmpty()) {
	char const *begin = ba.data();
	char const *end = begin + ba.size();
	list = BlameWindow::parseBlame(begin, end);
	}
	}
	if (!list.isEmpty()) {
	qApp->setOverrideCursor(Qt::WaitCursor);
	BlameWindow win(this, path, list);
	qApp->restoreOverrideCursor();
	win.exec();
	}
	}

	void MainWindow::blame()
	{
	blame(currentFileItem());
	}

	void MainWindow::on_action_repository_property_triggered()
	{
	execRepositoryPropertyDialog(currentWorkingCopyDir());
	}

	void MainWindow::on_action_set_gpg_signing_triggered()
	{
	GitPtr g = git();
	QString global_key_id = g->signingKey(Git::Source::Global);
	QString repository_key_id;
	if (g->isValidWorkingCopy()) {
	repository_key_id = g->signingKey(Git::Source::Local);
	}
	SetGpgSigningDialog dlg(this, currentRepositoryName(), global_key_id, repository_key_id);
	if (dlg.exec() == QDialog::Accepted) {
	g->setSigningKey(dlg.id(), dlg.isGlobalChecked());
	}
	}

	void MainWindow::execAreYouSureYouWantToContinueConnectingDialog()
	{
	using TheDlg = AreYouSureYouWantToContinueConnectingDialog;

	setInteractionMode(InteractionMode::Busy);

	QApplication::restoreOverrideCursor();

	TheDlg dlg(this);
	if (dlg.exec() == QDialog::Accepted) {
	TheDlg::Result r = dlg.result();
	if (r == TheDlg::Result::Yes) {
	getPtyProcess()->writeInput("yes\n", 4);
	} else {
	setPtyProcessOk(false); // abort
	getPtyProcess()->writeInput("no\n", 3);
	QThread::msleep(300);
	stopPtyProcess();
	}
	} else {
	ui->widget_log->setFocus();
	setInteractionCanceled(true);
	}
	setInteractionMode(InteractionMode::Busy);
	}

	void MainWindow::onLogIdle()
	{
	if (interactionCanceled()) return;
	if (interactionMode() != InteractionMode::None) return;

	static char const are_you_sure_you_want_to_continue_connecting[] = "Are you sure you want to continue connecting (yes/no)?";
	static char const enter_passphrase[] = "Enter passphrase: ";
	static char const enter_passphrase_for_key[] = "Enter passphrase for key '";
	static char const fatal_authentication_failed_for[] = "fatal: Authentication failed for '";

	std::vector<char> vec;
	ui->widget_log->retrieveLastText(&vec, 100);
	if (!vec.empty()) {
	std::string line;
	int n = (int)vec.size();
	int i = n;
	while (i > 0) {
	i--;
	if (i + 1 < n && vec[i] == '\n') {
	i++;
	line.assign(&vec[i], n - i);
	break;
	}
	}
	if (!line.empty()) {
	auto ExecLineEditDialog = [&](QWidget *parent, QString const &title, QString const &prompt, QString const &val, bool password){
	LineEditDialog dlg(parent, title, prompt, val, password);
	if (dlg.exec() == QDialog::Accepted) {
	std::string ret = dlg.text().toStdString();
	std::string str = ret + '\n';
	getPtyProcess()->writeInput(str.c_str(), str.size());
	return ret;
	}
	abortPtyProcess();
	return std::string();
	};

	auto Match = [&](char const *str){
	int n = strlen(str);
	if (strncmp(line.c_str(), str, n) == 0) {
	char const *p = line.c_str() + n;
	while (1) {
	if (!*p) return true;
	if (!isspace((unsigned char)*p)) break;
	p++;
	}
	}
	return false;
	};

	auto StartsWith = [&](char const *str){
	char const *p = line.c_str();
	while (*str) {
	if (p != str) return false;
	str++;
	p++;
	}
	return true;
	};

	if (Match(are_you_sure_you_want_to_continue_connecting)) {
	execAreYouSureYouWantToContinueConnectingDialog();
	return;
	}

	if (line == enter_passphrase) {
	ExecLineEditDialog(this, "Passphrase", QString::fromStdString(line), QString(), true);
	return;
	}

	if (StartsWith(enter_passphrase_for_key)) {
	std::string keyfile;
	{
	int i = strlen(enter_passphrase_for_key);
	char const *p = line.c_str() + i;
	char const *q = strrchr(p, ':');
	if (q && p + 2 < q && q[-1] == '\'') {
	keyfile.assign(p, q - 1);
	}
	}
	if (!keyfile.empty()) {
	if (keyfile == sshPassphraseUser() && !sshPassphrasePass().empty()) {
	std::string text = sshPassphrasePass() + '\n';
	getPtyProcess()->writeInput(text.c_str(), text.size());
	} else {
	std::string secret = ExecLineEditDialog(this, "Passphrase for key", QString::fromStdString(line), QString(), true);
	sshSetPassphrase(keyfile, secret);
	}
	return;
	}
	}

	char const *begin = line.c_str();
	char const *end = line.c_str() + line.size();
	auto Input = [&](QString const &title, bool password, std::string *value){
	Q_ASSERT(value);
	std::string header = QString("%1 for '").arg(title).toStdString();
	if (strncmp(begin, header.c_str(), header.size()) == 0) {
	QString msg;
	if (memcmp(end - 2, "':", 2) == 0) {
	msg = QString::fromUtf8(begin, end - begin - 1);
	} else if (memcmp(end - 3, "': ", 3) == 0) {
	msg = QString::fromUtf8(begin, end - begin - 2);
	}
	if (!msg.isEmpty()) {
	std::string s = ExecLineEditDialog(this, title, msg, value ? QString::fromStdString(*value) : QString(), password);
	*value = s;
	return true;
	}
	}
	return false;
	};
	std::string uid = httpAuthenticationUser();
	std::string pwd = httpAuthenticationPass();
	bool ok = false;
	if (Input("Username", false, &uid)) ok = true;
	if (Input("Password", true, &pwd)) ok = true;
	if (ok) {
	httpSetAuthentication(uid, pwd);
	return;
	}

	if (StartsWith(fatal_authentication_failed_for)) {
	QMessageBox::critical(this, tr("Authentication Failed"), QString::fromStdString(line));
	abortPtyProcess();
	return;
	}
	}
	}
	}

	void MainWindow::on_action_edit_tags_triggered()
	{
	Git::CommitItem const *commit = selectedCommitItem();
	if (commit && Git::isValidID(commit->commit_id)) {
	EditTagsDialog dlg(this, commit);
	dlg.exec();
	}
	}

	void MainWindow::on_action_push_u_triggered()
	{
	pushSetUpstream(false);
	}

	void MainWindow::on_action_delete_remote_branch_triggered()
	{
	deleteRemoteBranch(selectedCommitItem());
	}

	void MainWindow::on_action_terminal_triggered()
	{
	auto const *repo = &currentRepository();
	openTerminal(repo);
	}

	void MainWindow::on_action_explorer_triggered()
	{
	auto const *repo = &currentRepository();
	openExplorer(repo);
	}

	void MainWindow::on_action_reset_hard_triggered()
	{
	doGitCommand([&](GitPtr g){
	g->reset_hard();
	});
	}

	void MainWindow::on_action_clean_df_triggered()
	{
	doGitCommand([&](GitPtr g){
	g->clean_df();
	});
	}

	void MainWindow::postOpenRepositoryFromGitHub(QString const &username, QString const &reponame)
	{
	QVariantList list;
	list.push_back(username);
	list.push_back(reponame);
	postUserFunctionEvent([&](QVariant const &v){
	QVariantList l = v.toList();
	QString uname = l[0].toString();
	QString rname = l[1].toString();
	CloneFromGitHubDialog dlg(this, uname, rname);
	if (dlg.exec() == QDialog::Accepted) {
	clone(dlg.url());
	}
	}, QVariant(list));
	}

	void MainWindow::on_action_stash_triggered()
	{
	doGitCommand([&](GitPtr g){
	g->stash();
	});
	}

	void MainWindow::on_action_stash_apply_triggered()
	{
	doGitCommand([&](GitPtr g){
	g->stash_apply();
	});
	}

	void MainWindow::on_action_stash_drop_triggered()
	{
	doGitCommand([&](GitPtr g){
	g->stash_drop();
	});
	}

	void MainWindow::on_action_online_triggered()
	{
	ui->radioButton_remote_online->click();
	}

	void MainWindow::on_action_offline_triggered()
	{
	ui->radioButton_remote_offline->click();
	}

	void MainWindow::on_action_repositories_panel_triggered()
	{
	bool checked = ui->action_repositories_panel->isChecked();
	ui->stackedWidget_leftpanel->setCurrentWidget(checked ? ui->page_repos : ui->page_collapsed);

	if (checked) {
	ui->stackedWidget_leftpanel->setFixedWidth(m->repos_panel_width);
	ui->stackedWidget_leftpanel->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
	ui->stackedWidget_leftpanel->setMinimumWidth(QWIDGETSIZE_MAX);
	ui->stackedWidget_leftpanel->setMaximumWidth(QWIDGETSIZE_MAX);
	} else {
	m->repos_panel_width = ui->stackedWidget_leftpanel->width();
	ui->stackedWidget_leftpanel->setFixedWidth(24);
	}
	}

	void MainWindow::on_action_find_triggered()
	{
	m->searching = false;

	if (getLogs().empty()) {
	return;
	}

	FindCommitDialog dlg(this, m->search_text);
	if (dlg.exec() == QDialog::Accepted) {
	m->search_text = dlg.text();
	ui->tableWidget_log->setFocus();
	findNext();
	}
	}

	void MainWindow::on_action_find_next_triggered()
	{
	if (m->search_text.isEmpty()) {
	on_action_find_triggered();
	} else {
	findNext();
	}
	}

	void MainWindow::test()
	{
	}

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