MainWindow.cpp
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MainWindow.cpp
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	#include "MainWindow.h"
	#include "ui_MainWindow.h"
	#include "AboutDialog.h"
	#include "CheckoutBranchDialog.h"
	#include "CloneDialog.h"
	#include "CommitPropertyDialog.h"
	#include "ConfigCredentialHelperDialog.h"
	#include "FileUtil.h"
	#include "Git.h"
	#include "GitDiff.h"
	#include "joinpath.h"
	#include "LibGit2.h"
	#include "main.h"
	#include "MergeBranchDialog.h"
	#include "misc.h"
	#include "MySettings.h"
	#include "NewBranchDialog.h"
	#include "Terminal.h"
	#include "PushDialog.h"
	#include "RepositoryData.h"
	#include "SelectGitCommandDialog.h"
	#include "SettingsDialog.h"
	#include "TextEditDialog.h"
	#include "RepositoryPropertyDialog.h"
	#include <deque>
	#include <QDateTime>
	#include <QDebug>
	#include <QDesktopServices>
	#include <QFileDialog>
	#include <QMessageBox>
	#include <QPainter>
	#include <QStandardPaths>
	#include <QKeyEvent>
	#include <set>
	#include <QProcess>

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

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

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

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

	struct MainWindow::Private {
	Git::Context gcx;
	ApplicationSettings appsettings;
	QList<RepositoryItem> repos;
	RepositoryItem current;
	Git::Branch current_branch;
	QList<Git::Diff> diffs;
	QStringList added;
	Git::CommitItemList logs;
	bool uncommited_changes = false;
	int timer_interval_ms;
	int update_files_list_counter;
	int interval_250ms_counter;
	QImage graph_color;
	std::map<QString, QList<Git::Branch>> branch_map;
	QString repository_filter_text;
	QPixmap digits;
	};

	MainWindow::MainWindow(QWidget *parent) :
	QMainWindow(parent),
	ui(new Ui::MainWindow)
	{
	pv = new Private();
	ui->setupUi(this);
	ui->splitter_v->setSizes({100, 400});
	ui->splitter_h->setSizes({100, 100, 100});

	ui->widget_diff_pixmap->setFileDiffWidget(ui->widget_diff);

	ui->listWidget_repos->installEventFilter(this);

	showFileList(true);

	pv->digits.load(":/image/digits.png");
	pv->graph_color.load(":/image/graphcolor.png");

	prepareLogTableWidget();

	#ifdef Q_OS_WIN
	{
	QFont font;

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

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

	SettingsDialog::loadSettings(&pv->appsettings);
	{
	MySettings s;
	s.beginGroup("Global");
	pv->gcx.git_command = s.value("GitCommand").toString();
	s.endGroup();
	}

	#if USE_LIBGIT2
	LibGit2::init();
	// LibGit2::test();
	#endif

	connect(ui->verticalScrollBar, SIGNAL(valueChanged(int)), this, SLOT(onScrollValueChanged(int)));
	connect(ui->widget_diff, SIGNAL(scrollByWheel(int)), this, SLOT(onDiffWidgetWheelScroll(int)));
	connect(ui->widget_diff, SIGNAL(resized()), this, SLOT(onDiffWidgetResized()));
	connect(ui->widget_diff_pixmap, SIGNAL(valueChanged(int)), this, SLOT(onScrollValueChanged2(int)));

	QString path = getBookmarksFilePath();
	pv->repos = RepositoryBookmark::load(path);
	updateRepositoriesList();

	pv->timer_interval_ms = 20;
	pv->update_files_list_counter = 0;
	pv->interval_250ms_counter = 0;
	startTimer(pv->timer_interval_ms);
	}

	MainWindow::~MainWindow()
	{
	#if USE_LIBGIT2
	LibGit2::shutdown();
	#endif
	delete pv;
	delete ui;
	}

	const QPixmap &MainWindow::digitsPixmap() const
	{
	return pv->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, pv->digits, n * w, 0, w, h);
	}

	QString MainWindow::defaultWorkingDir() const
	{
	return pv->appsettings.default_working_dir;
	}

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

	bool MainWindow::isThereUncommitedChanges() const
	{
	return pv->uncommited_changes;
	}


	Git::CommitItemList const *MainWindow::logs() const
	{
	return &pv->logs;
	}



	QString MainWindow::currentWorkingCopyDir() const
	{
	return pv->current.local_dir;
	}

	GitPtr MainWindow::git(QString const &dir)
	{
	return dir.isEmpty() ? std::shared_ptr<Git>() : std::shared_ptr<Git>(new Git(pv->gcx, dir));
	}

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

	QString MainWindow::makeRepositoryName(QString const &loc)
	{
	int i = loc.lastIndexOf('/');
	int j = loc.lastIndexOf('\\');
	if (i < j) i = j;
	if (i >= 0) {
	i++;
	j = loc.size();
	if (loc.endsWith(".git")) {
	j -= 4;
	}
	return loc.mid(i, j - i);
	}
	return QString();
	}

	void MainWindow::updateSliderCursor()
	{
	int total = ui->widget_diff->totalLines();
	int value = ui->widget_diff->scrollPos();
	int size = ui->widget_diff->visibleLines();
	ui->widget_diff_pixmap->setScrollPos(total, value, size);
	}

	void MainWindow::onScrollValueChanged(int value)
	{
	ui->widget_diff->scrollTo(value);

	updateSliderCursor();
	}

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

	int MainWindow::repositoryIndex(QListWidgetItem *item)
	{
	if (item) {
	int i = item->data(Qt::UserRole).toInt();
	if (i >= 0 && i < pv->repos.size()) {
	return i;
	}
	}
	return -1;
	}

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

	pv->repos = RepositoryBookmark::load(path);

	QString filter = pv->repository_filter_text;

	ui->listWidget_repos->clear();
	for (int i = 0; i < pv->repos.size(); i++) {
	RepositoryItem const &repo = pv->repos[i];
	if (!filter.isEmpty() && repo.name.indexOf(filter, 0, Qt::CaseInsensitive) < 0) {
	continue;
	}
	QListWidgetItem *item = new QListWidgetItem();
	item->setText(repo.name);
	item->setData(Qt::UserRole, i);
	ui->listWidget_repos->addItem(item);
	}
	}


	void MainWindow::updateHeadFilesList(bool single)
	{
	GitPtr g = git();
	if (!g) return;

	updateFilesList(QString(), "HEAD", single);

	if (pv->diffs.empty()) {
	pv->uncommited_changes = false;
	} else {
	pv->uncommited_changes = true;
	}
	}

	void MainWindow::showFileList(bool single)
	{
	ui->stackedWidget->setCurrentWidget(single ? ui->page_1 : ui->page_2);
	}

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

	void MainWindow::clearLog()
	{
	pv->logs.clear();
	pv->uncommited_changes = false;
	ui->tableWidget_log->clearContents();
	ui->tableWidget_log->scrollToTop();
	}

	void MainWindow::clearRepositoryInfo()
	{
	pv->current_branch = Git::Branch();
	ui->label_repo_name->setText(QString());
	ui->label_branch_name->setText(QString());
	}

	QString MainWindow::diff_(QString const &old_id, QString const &new_id) // obsolete
	{
	#if 1
	GitPtr g = git();
	if (g.get()) {
	return g->diff(old_id, new_id);
	}
	#else
	#endif
	return QString();
	}

	void MainWindow::makeDiff(QString const &old_id, QString const &new_id) // obsolete : diff文字列の中にバイナリファイルがあると、それ以降を処理できない
	{
	pv->diffs.clear();

	QString s = diff_(old_id, new_id);

	QStringList lines = misc::splitLines(s);

	enum class ItemType {
	Normal,
	NewFile,
	};
	ItemType itemtype = ItemType::Normal;

	bool f = false;
	for (QString const &line : lines) {
	ushort c = line.utf16()[0];
	if (c == '@') {
	if (line.startsWith("@@ ")) {
	if (!pv->diffs.isEmpty()) {
	pv->diffs.back().hunks.push_back(Git::Hunk());
	pv->diffs.back().hunks.back().at = line;
	}
	f = true;
	}
	} else {
	if (f) {
	if (c == ' ' \|\| c == '-' \|\| c == '+') {
	// nop
	} else {
	f = false;
	}
	}
	if (f) {
	if (!pv->diffs.isEmpty() && !pv->diffs.back().hunks.isEmpty()) {
	pv->diffs.back().hunks.back().lines.push_back(line);
	}
	} else {
	enum class HeaderCode {
	unknown,
	diff,
	index,
	a,
	b,
	};
	HeaderCode h = HeaderCode::unknown;
	if (line.startsWith("diff ")) {
	h = HeaderCode::diff;
	} else if (line.startsWith("index ")) {
	h = HeaderCode::index;
	} else if (line.startsWith("new file ")) {
	itemtype = ItemType::NewFile;
	} else if (line.startsWith("--- ")) {
	h = HeaderCode::a;
	} else if (line.startsWith("+++ ")) {
	h = HeaderCode::b;
	}
	if (h != HeaderCode::unknown) {
	if (pv->diffs.isEmpty() \|\| !pv->diffs.back().hunks.isEmpty()) {
	pv->diffs.push_back(Git::Diff());
	}
	auto GetPath = [](QString s){
	QString prefix;
	if (s.startsWith("--- ")) {
	s = s.mid(4);
	prefix = "a/";
	} else if (s.startsWith("+++ ")) {
	s = s.mid(4);
	prefix = "b/";
	}
	s = Git::trimPath(s);
	if (!prefix.isEmpty() && s.startsWith(prefix)) {
	s = s.mid(prefix.size());
	}
	return s;
	};
	switch (h) {
	case HeaderCode::diff:
	// pv->diffs.back().diff = line;
	itemtype = ItemType::Normal;
	break;
	case HeaderCode::index:
	pv->diffs.back().index = line;
	if (line.indexOf("..") == 46) {
	if (itemtype == ItemType::NewFile) {
	// nop
	} else {
	pv->diffs.back().blob.a.id = line.mid(6, 40);
	}
	pv->diffs.back().blob.b.id = line.mid(48, 40);
	}
	break;
	case HeaderCode::a:
	if (itemtype != ItemType::NewFile) {
	pv->diffs.back().blob.a.path = GetPath(line);
	}
	break;
	case HeaderCode::b:
	pv->diffs.back().blob.b.path = GetPath(line);
	break;
	}
	}
	}
	}
	}
	}

	void MainWindow::makeDiff2(GitPtr g, QString const &id, QList<Git::Diff> *out) // バイナリファイルに対応するため、diff処理を別クラスにした
	{
	Q_ASSERT(g);
	GitDiff dm;
	dm.diff(g, id, out);
	}

	void MainWindow::updateFilesList(QString const &old_id, QString const &new_id, bool singlelist)
	{
	GitPtr g = git();
	if (!g) return;

	clearFileList();
	if (!singlelist) showFileList(false);

	#if 0
	makeDiff(old_id, new_id);
	#else
	makeDiff2(g, new_id, &pv->diffs);
	#endif

	if (old_id.isEmpty() \|\| new_id.isEmpty()) {
	std::map<QString, int> diffmap;

	for (int idiff = 0; idiff < pv->diffs.size(); idiff++) {
	Git::Diff const &diff = pv->diffs[idiff];
	QString filename;
	if (diff.diff.startsWith("diff")) {
	ushort const *left = diff.diff.utf16();
	ushort const *right = left + diff.diff.size();
	left += 4;
	while (left + 1 < right) {
	if (left[0] == 'a' && left[1] == '/') break;
	left++;
	}
	ushort const *mid = left + (right - left) / 2;
	if (QChar(*mid).isSpace() && mid[1] == 'b' && mid[2] == '/') {
	left += 2;
	QString fn1 = QString::fromUtf16(left, mid - left);
	mid += 3;
	QString fn2 = QString::fromUtf16(mid, right - mid);
	if (fn1 == fn2) {
	filename = fn1;
	}
	}
	}
	if (!filename.isEmpty()) {
	diffmap[filename] = idiff;
	}
	}

	Git::FileStatusList stats = g->status();
	for (Git::FileStatus const &s : stats) {
	if (s.code() == Git::FileStatusCode::Unknown) {
	qDebug() << "something wrong...";
	continue;
	}
	auto AddItem = [&](QString const &prefix, int idiff){
	QString filename = s.path1();
	QListWidgetItem *item = new QListWidgetItem(prefix + filename);
	item->setData(FilePathRole, filename);
	item->setData(DiffIndexRole, idiff);
	item->setData(HunkIndexRole, -1);
	if (s.isStaged() && s.code_y() == ' ') {
	ui->listWidget_staged->addItem(item);
	} else {
	(singlelist ? ui->listWidget_files : ui->listWidget_unstaged)->addItem(item);
	}
	};
	int idiff = -1;
	QString header;
	if (s.code_x() == 'D' \|\| s.code_y() == 'D') {
	header = "(del) ";
	} else {
	auto it = diffmap.find(s.path1());
	if (it != diffmap.end()) {
	header = "(chg) ";
	idiff = it->second;
	} else {
	header = "(??\?) "; // damn trigraph
	}
	}
	AddItem(header, idiff);
	}
	} else {
	for (int idiff = 0; idiff < pv->diffs.size(); idiff++) {
	Git::Diff const &diff = pv->diffs[idiff];

	QString header;
	if (!diff.blob.a.id.isEmpty()) {
	if (!diff.blob.b.id.isEmpty()) {
	header = "(chg) ";
	} else {
	header = "(del) ";
	}
	} else if (!diff.blob.b.id.isEmpty()) {
	header = "(add) ";
	} else {
	header = "(??\?) "; // damn trigraph
	}

	QString filename = diff.blob.a.path;
	if (filename.isEmpty()) {
	filename = pv->diffs[idiff].blob.b.path;
	}
	QListWidgetItem *item = new QListWidgetItem(header + filename);
	item->setData(FilePathRole, filename);
	item->setData(DiffIndexRole, idiff);
	item->setData(HunkIndexRole, -1);
	(singlelist ? ui->listWidget_files : ui->listWidget_unstaged)->addItem(item);
	}
	}
	}

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

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

	QString MainWindow::currentRepositoryName() const
	{
	return pv->current.name;
	}

	Git::Branch MainWindow::currentBranch() const
	{
	return pv->current_branch;
	}

	void MainWindow::openRepository(bool waitcursor)
	{
	if (waitcursor) {
	qApp->setOverrideCursor(Qt::WaitCursor);
	openRepository(false);
	qApp->restoreOverrideCursor();
	return;
	}

	clearLog();
	clearRepositoryInfo();

	GitPtr g = git();
	if (g && g->isValidWorkingCopy()) {
	updateHeadFilesList(true);

	// ログを取得
	pv->logs = g->log(10000);

	// ブランチを取得
	pv->branch_map.clear();
	QList<Git::Branch> branches = g->branches();
	for (Git::Branch const &b : branches) {
	if (b.flags & Git::Branch::Current) {
	pv->current_branch = b;
	}
	pv->branch_map[b.id].append(b);
	}

	ui->label_repo_name->setText(currentRepositoryName());
	ui->label_branch_name->setText(currentBranch().name);
	} else {
	QString name = currentRepositoryName();
	ui->label_repo_name->setText(name.isEmpty() ? tr("Unknown") : name);
	ui->label_branch_name->setText("NOT FOUND");
	}

	if (isThereUncommitedChanges()) {
	Git::CommitItem item;
	item.parent_ids.push_back(pv->current_branch.id);
	item.message = tr("Uncommited changes");
	pv->logs.insert(pv->logs.begin(), item);
	}

	prepareLogTableWidget();

	int index = 0;
	int count = pv->logs.size();

	ui->tableWidget_log->setRowCount(count);

	for (int row = 0; row < count; row++) {
	Git::CommitItem const *commit = &pv->logs[index];
	{
	QTableWidgetItem *item = new QTableWidgetItem();
	item->setSizeHint(QSize(100, 20));
	item->setData(IndexRole, index);
	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){
	QTableWidgetItem *item = new QTableWidgetItem(text);
	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;
	bool bold = false;
	{
	if (Git::isUncommited(*commit)) {
	bold = true;
	} else {
	commit_id = commit->commit_id.mid(0, 7);
	}
	datetime = misc::makeDateTimeString(commit->commit_date);
	author = commit->author;
	message = commit->message;

	QList<Git::Branch> list = branchForCommit(commit->commit_id);
	auto AbbrevName = [](QString const &name){
	QStringList sl = name.split('/');
	if (sl.size() == 1) return sl[0];
	QString newname;
	for (int i = 0; i < sl.size(); i++) {
	QString s = sl[i];
	if (i + 1 < sl.size()) {
	s = s.mid(0, 1);
	}
	if (i > 0) {
	newname += '/';
	}
	newname += s;
	}
	return newname;
	};
	for (Git::Branch const &b : list) {
	message += " {";
	message += AbbrevName(b.name);
	if (b.ahead > 0) {
	message += ", ";
	message += QString::number(b.ahead);
	message += " ahead";
	}
	if (b.behind > 0) {
	message += ", ";
	message += QString::number(b.behind);
	message += " behind";
	}
	message += '}';
	}
	}
	if (false) { // メッセージ欄に、親コミットIDを表示する（デバッグ用）
	message.clear();
	if (true) {
	message += QString::number(row);
	} else {
	for (QString id : commit->parent_ids) {
	if (!message.isEmpty()) {
	message += ' ';
	}
	message += id;
	}
	}
	}
	AddColumn(commit_id, false);
	AddColumn(datetime, false);
	AddColumn(author, false);
	AddColumn(message, bold);
	ui->tableWidget_log->setRowHeight(row, 24);
	index++;
	}
	ui->tableWidget_log->resizeColumnsToContents();
	ui->tableWidget_log->horizontalHeader()->setStretchLastSection(false);
	ui->tableWidget_log->horizontalHeader()->setStretchLastSection(true);

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

	udpateButton();
	}

	void MainWindow::udpateButton()
	{
	Git::Branch b = currentBranch();

	int n;

	n = -1;
	if (b.ahead > 0 && !isThereUncommitedChanges()) n = b.ahead;
	ui->toolButton_push->setNumber(n);

	n = -1;
	if (b.behind > 0 && !isThereUncommitedChanges()) n = b.behind;
	ui->toolButton_pull->setNumber(n);
	}

	void MainWindow::autoOpenRepository(QString dir)
	{
	dir = QDir(dir).absolutePath();

	auto Open = [&](RepositoryItem const &item){
	pv->current = item;
	openRepository();
	};

	for (RepositoryItem const &item : pv->repos) {
	Qt::CaseSensitivity cs = Qt::CaseSensitive;
	#ifdef Q_OS_WIN
	cs = Qt::CaseInsensitive;
	#endif
	if (dir.compare(item.local_dir, cs) == 0) {
	Open(item);
	return;
	}
	}

	RepositoryItem newitem;
	GitPtr g = git(dir);
	if (g->isValidWorkingCopy()) {
	ushort const *left = dir.utf16();
	ushort const *right = left + dir.size();
	if (right[-1] == '/' \|\| right[-1] == '\\') {
	right--;
	}
	ushort const *p = right;
	while (left + 1 < p && !(p[-1] == '/' \|\| p[-1] == '\\')) p--;
	if (p < right) {
	newitem.local_dir = dir;
	newitem.name = QString::fromUtf16(p, right - p);
	saveRepositoryBookmark(newitem);
	Open(newitem);
	return;
	}
	}
	}

	void MainWindow::openSelectedRepository()
	{
	QListWidgetItem *item = ui->listWidget_repos->currentItem();
	int row = repositoryIndex(item);
	if (row >= 0) {
	RepositoryItem const &item = pv->repos[row];
	pv->current = item;
	openRepository();
	}
	}

	bool MainWindow::saveBookmarks() const
	{
	QString path = getBookmarksFilePath();
	return RepositoryBookmark::save(path, &pv->repos);
	}

	void MainWindow::resizeEvent(QResizeEvent *)
	{
	if (ui->widget_diff && ui->widget_diff->isVisible()) {
	ui->widget_diff->updateVerticalScrollBar(ui->verticalScrollBar);
	}
	}

	QString MainWindow::getBookmarksFilePath() const
	{
	return application_data_dir / "bookmarks.xml";
	}

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

	g->git("add --all");
	updateHeadFilesList(false);
	}

	void MainWindow::commit(bool amend)
	{
	GitPtr g = git();
	if (!g) return;

	while (1) {
	TextEditDialog dlg;
	dlg.setWindowTitle(tr("Commit"));
	if (amend) {
	dlg.setText(pv->logs[0].message);
	}
	if (dlg.exec() == QDialog::Accepted) {
	QString text = dlg.text();
	if (text.isEmpty()) {
	QMessageBox::warning(this, tr("Commit"), tr("Commit message can not be omitted."));
	continue;
	}
	if (amend) {
	g->commit_amend_m(text);
	} else {
	g->commit(text);
	}
	openRepository();
	break;
	} else {
	break;
	}
	}
	}

	void MainWindow::commit_amend()
	{
	commit(true);
	}


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

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

	OverrideWaitCursor;

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

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

	OverrideWaitCursor;

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

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

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

	void MainWindow::on_action_set_remote_origin_url_triggered()
	{
	QString newurl;
	Git git(pv->gcx, currentWorkingCopyDir());
	git.git("remote set-url origin " + newurl);
	}

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

	g->git("config --global credential.helper");
	QString text = g->resultText().trimmed();
	ConfigCredentialHelperDialog dlg(this);
	dlg.setHelper(text);
	if (dlg.exec() == QDialog::Accepted) {
	text = dlg.helper();
	bool ok = true;
	if (text.isEmpty()) {
	text = "\"\"";
	} else {
	auto isValidChar = [](ushort c){
	if (QChar::isLetterOrNumber(c)) return true;
	if (c == '_') return true;
	return false;
	};
	ushort const *begin = text.utf16();
	ushort const *end = begin + text.size();
	ushort const *ptr = begin;
	while (ptr < end) {
	if (!isValidChar(*ptr)) {
	ok = false;
	break;
	}
	ptr++;
	}
	}
	if (!ok) {
	QMessageBox::warning(this, tr("Config credential helper"), tr("Invalid credential helper name"));
	return;
	}
	g->git("config --global credential.helper " + text);
	}
	}



	void MainWindow::on_listWidget_repos_itemDoubleClicked(QListWidgetItem * /item/)
	{
	openSelectedRepository();
	}

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

	bool MainWindow::askAreYouSureYouWantToRun(QString const &title, QString const &command)
	{
	QString message = tr("Are you sure you want to run the following command ?");
	QString text = "%1\n\n> %2";
	text = text.arg(message).arg(command);
	return QMessageBox::warning(this, title, text, QMessageBox::Ok, QMessageBox::Cancel) == QMessageBox::Ok;
	}

	void MainWindow::revertFile(QStringList const &paths)
	{
	GitPtr g = git();
	if (!g) return;

	if (paths.isEmpty()) {
	// nop
	} else {
	QString cmd = "git checkout -- \"" + paths[0] + '\"';
	if (askAreYouSureYouWantToRun(tr("Revert a file"), cmd)) {
	for (QString const &path : paths) {
	g->revertFile(path);
	}
	openRepository();
	}
	}
	}

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

	QString cmd = "git reset --hard HEAD";
	if (askAreYouSureYouWantToRun(tr("Revert all files"), cmd)) {
	g->revertAllFiles();
	openRepository();
	}
	}

	QStringList MainWindow::selectedStagedFiles() const
	{
	QStringList list;
	QList<QListWidgetItem *> items = ui->listWidget_staged->selectedItems();
	for (QListWidgetItem *item : items) {
	QString path = item->data(FilePathRole).toString();
	list.push_back(path);
	}
	return list;
	}

	QStringList MainWindow::selectedUnstagedFiles() const
	{
	QStringList list;
	QList<QListWidgetItem *> items = ui->listWidget_unstaged->selectedItems();
	for (QListWidgetItem *item : items) {
	QString path = item->data(FilePathRole).toString();
	list.push_back(path);
	}
	return list;
	}

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

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

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

	QList<QListWidgetItem *> items = ui->listWidget_unstaged->selectedItems();
	if (!items.isEmpty()) {
	QMenu menu;
	QAction *a_stage = menu.addAction("Stage");
	QAction *a_revert = menu.addAction("Revert");
	QAction *a_ignore = menu.addAction("Ignore");
	QAction *a_remove = menu.addAction("Remove");
	QPoint pt = ui->listWidget_unstaged->mapToGlobal(pos);
	QAction *a = menu.exec(pt);
	if (a) {
	if (a == a_stage) {
	for_each_selected_unstaged_files([&](QString const &path){
	g->stage(path);
	});
	updateHeadFilesList(false);
	} else if (a == a_revert) {
	QStringList paths;
	for_each_selected_unstaged_files([&](QString const &path){
	paths.push_back(path);
	});
	revertFile(paths);
	} else if (a == a_ignore) {
	QString text;
	for_each_selected_unstaged_files([&](QString const &path){
	if (path == ".gitignore") {
	// skip
	} else {
	text += path + '\n';
	}
	});
	QString gitignore_path = currentWorkingCopyDir() / ".gitignore";
	if (TextEditDialog::editFile(this, gitignore_path, ".gitignore")) {
	updateHeadFilesList(false);
	}
	} else if (a == a_remove) {
	for_each_selected_unstaged_files([&](QString const &path){
	g->removeFile(path);
	g->chdirexec([&](){
	QFile(path).remove();
	return true;
	});
	});
	updateHeadFilesList(false);
	}
	}
	}
	}

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

	QListWidgetItem *item = ui->listWidget_staged->currentItem();
	if (item) {
	QString path = item->data(FilePathRole).toString();
	QString fullpath = currentWorkingCopyDir() / path;
	if (QFileInfo(fullpath).isFile()) {
	QMenu menu;
	QAction *a_unstage = menu.addAction("Unstage");
	QPoint pt = ui->listWidget_staged->mapToGlobal(pos);
	QAction *a = menu.exec(pt);
	if (a) {
	if (a == a_unstage) {
	g->unstage(path);
	updateHeadFilesList(false);
	}
	}
	}
	}
	}

	void MainWindow::saveRepositoryBookmark(RepositoryItem item)
	{
	if (item.local_dir.isEmpty()) return;

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

	bool done = false;
	for (int i = 0; i < pv->repos.size(); i++) {
	RepositoryItem *p = &pv->repos[i];
	if (item.local_dir == p->local_dir) {
	*p = item;
	done = true;
	break;
	}
	}
	if (!done) {
	pv->repos.push_back(item);
	}
	saveBookmarks();
	updateRepositoriesList();
	}



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

	RepositoryItem item;
	item.local_dir = dir;
	item.name = makeRepositoryName(dir);
	saveRepositoryBookmark(item);
	}

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

	void MainWindow::on_tableWidget_log_currentItemChanged(QTableWidgetItem current, QTableWidgetItem previous)
	{
	pv->update_files_list_counter = 200;
	ui->widget_diff_pixmap->clear(false);
	ui->listWidget_unstaged->clear();
	ui->listWidget_staged->clear();
	ui->listWidget_files->clear();
	}

	void MainWindow::on_listWidget_repos_customContextMenuRequested(const QPoint &pos)
	{
	QListWidgetItem *item = ui->listWidget_repos->currentItem();
	int index = repositoryIndex(item);
	if (index >= 0) {
	QMenu menu;
	QAction *a_open_folder = menu.addAction(tr("Open &folder"));
	QAction *a_open_terminal = menu.addAction(tr("Open &terminal"));
	QAction *a_remove = menu.addAction(tr("&Remove"));
	QAction *a_property = menu.addAction(tr("&Property"));
	QPoint pt = ui->listWidget_repos->mapToGlobal(pos);
	QAction *a = menu.exec(pt + QPoint(8, -8));
	if (a) {
	RepositoryItem const &item = pv->repos[index];
	if (a == a_open_folder) {
	QDesktopServices::openUrl(item.local_dir);
	return;
	}
	if (a == a_open_terminal) {
	Terminal::open(item.local_dir);
	return;
	}
	if (a == a_remove) {
	pv->repos.erase(pv->repos.begin() + index);
	saveBookmarks();
	updateRepositoriesList();
	return;
	}
	if (a == a_property) {
	RepositoryPropertyDialog dlg(this, item);
	dlg.exec();
	return;
	}
	}
	}
	}

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

	g->stage(selectedUnstagedFiles());
	updateHeadFilesList(false);
	}

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

	g->unstage(selectedStagedFiles());
	updateHeadFilesList(false);
	}

	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_fetch_triggered()
	{
	OverrideWaitCursor;

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

	g->fetch();

	openRepository();
	}

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

	struct Task {
	int index = 0;
	int parent = 0;
	Task()
	{
	}
	Task(int index, int parent)
	: index(index)
	, parent(parent)
	{
	}
	};

	struct Element {
	int depth = 0;
	std::vector<int> indexes;
	};

	void MainWindow::updateCommitGraph()
	{
	const size_t LogCount = pv->logs.size();
	// 樹形図情報を構築する
	if (LogCount > 0) {
	auto LogItem = [&](size_t i)->Git::CommitItem &{ return pv->logs[i]; };
	enum { // 有向グラフを構築するあいだ CommitItem::marker_depth をフラグとして使用する
	UNKNOWN = 0,
	KNOWN = 1,
	};
	for (Git::CommitItem &item : pv->logs) {
	item.marker_depth = UNKNOWN;
	}
	// コミットハッシュを検索して、親コミットのインデックスを求める
	for (size_t i = 0; i < LogCount; i++) {
	Git::CommitItem *item = &LogItem(i);
	item->parent_lines.clear();
	if (item->parent_ids.empty()) {
	item->resolved = true;
	} else {
	for (int j = 0; j < item->parent_ids.size(); j++) { // 親の数だけループ
	QString const &parent_id = item->parent_ids[j]; // 親のハッシュ値
	for (size_t k = i + 1; k < LogCount; k++) { // 親を探す
	if (LogItem(k).commit_id == parent_id) { // ハッシュ値が一致したらそれが親
	item->parent_lines.push_back(k); // インデックス値を記憶
	LogItem(k).has_child = true;
	LogItem(k).marker_depth = KNOWN;
	item->resolved = true;
	break;
	}
	}
	}
	}
	}
	std::vector<Element> elements; // 線分リスト
	{ // 線分リストを作成する
	std::deque<Task> tasks; // 未処理タスクリスト
	{
	for (size_t i = 0; i < LogCount; i++) {
	Git::CommitItem *item = &LogItem(i);
	if (item->marker_depth == UNKNOWN) {
	int n = item->parent_lines.size(); // 最初のコミットアイテム
	for (int j = 0; j < n; j++) {
	tasks.push_back(Task(i, j)); // タスクを追加
	}
	}
	item->marker_depth = UNKNOWN;
	}
	}
	while (!tasks.empty()) { // タスクが残っているならループ
	Element e;
	Task task;
	{ // 最初のタスクを取り出す
	task = tasks.front();
	tasks.pop_front();
	}
	e.indexes.push_back(task.index); // 先頭のインデックスを追加
	int index = LogItem(task.index).parent_lines[task.parent].index; // 開始インデックス
	while (index > 0 && (size_t)index < LogCount) { // 最後に到達するまでループ
	e.indexes.push_back(index); // インデックスを追加
	int n = LogItem(index).parent_lines.size(); // 親の数
	if (n == 0) break; // 親がないなら終了
	Git::CommitItem *item = &LogItem(index);
	if (item->marker_depth == KNOWN) break; // 既知のアイテムに到達したら終了
	item->marker_depth = KNOWN; // 既知のアイテムにする
	for (int i = 1; i < n; i++) {
	tasks.push_back(Task(index, i)); // タスク追加
	}
	index = LogItem(index).parent_lines[0].index; // 次の親（親リストの先頭の要素）
	}
	if (e.indexes.size() >= 2) {
	elements.push_back(e);
	}
	}
	}
	// 線情報をクリア
	for (Git::CommitItem &item : pv->logs) {
	item.marker_depth = -1;
	item.parent_lines.clear();
	}
	// マークと線の深さを決める
	if (!elements.empty()) {
	{ // 優先順位を調整する
	std::sort(elements.begin(), elements.end(), [](Element const &left, Element const &right){
	int i = 0;
	{ // 長いものを優先して左へ
	int l = left.indexes.back() - left.indexes.front();
	int r = right.indexes.back() - right.indexes.front();
	i = r - l; // 降順
	}
	if (i == 0) {
	// コミットが新しいものを優先して左へ
	int l = left.indexes.front();
	int r = right.indexes.front();
	i = l - r; // 昇順
	}
	return i < 0;
	});
	// 子の無いブランチ（タグ等）が複数連続しているとき、古いコミットを右に寄せる
	{
	for (size_t i = 0; i + 1 < elements.size(); i++) {
	Element *e = &elements[i];
	int index1 = e->indexes.front();
	if (index1 > 0 && !LogItem(index1).has_child) { // 子がない
	// 新しいコミットを探す
	for (size_t j = i + 1; j < elements.size(); j++) { // 現在位置より後ろを探す
	Element *f = &elements[j];
	int index2 = f->indexes.front();
	if (index1 == index2 + 1) { // 一つだけ新しいコミット
	Element t = std::move(*f);
	elements.erase(elements.begin() + j); // 移動元を削除
	elements.insert(elements.begin() + i, std::move(t)); // 現在位置に挿入
	}
	}
	// 古いコミットを探す
	size_t j = 0;
	while (j < i) { // 現在位置より前を探す
	Element *f = &elements[j];
	int index2 = f->indexes.front();
	if (index1 + 1 == index2) { // 一つだけ古いコミット
	Element t = std::move(*f);
	elements.erase(elements.begin() + j); // 移動元を削除
	elements.insert(elements.begin() + i, std::move(t)); // 現在位置の次に挿入
	index1 = index2;
	f = e;
	} else {
	j++;
	}
	}
	}
	}
	}
	}
	{ // 最初の線は深さを0にする
	Element *e = &elements.front();
	for (size_t i = 0; i < e->indexes.size(); i++) {
	int index = e->indexes[i];
	LogItem(index).marker_depth = 0; // マークの深さを設定
	e->depth = 0; // 線の深さを設定
	}
	}
	// 最初以外の線分の深さを決める
	for (size_t i = 1; i < elements.size(); i++) { // 最初以外をループ
	Element *e = &elements[i];
	int depth = 1;
	while (1) { // 失敗したら繰り返し
	for (size_t j = 0; j < i; j++) { // 既に処理済みの線を調べる
	Element const *f = &elements[j]; // 検査対象
	if (e->indexes.size() == 2) { // 二つしかない場合
	int from = e->indexes[0]; // 始点
	int to = e->indexes[1]; // 終点
	if (LogItem(from).has_child) {
	for (size_t k = 0; k + 1 < f->indexes.size(); k++) { // 検査対象の全ての線分を調べる
	int curr = f->indexes[k];
	int next = f->indexes[k + 1];
	if (from > curr && to == next) { // 決定済みの線に直結できるか判定
	e->indexes.back() = from + 1; // 現在の一行下に直結する
	e->depth = elements[j].depth; // 接続先の深さ
	goto DONE; // 決定
	}
	}
	}
	}
	if (depth == f->depth) { // 同じ深さ
	if (e->indexes.back() > f->indexes.front() && e->indexes.front() < f->indexes.back()) { // 重なっている
	goto FAIL; // この深さには線を置けないのでやりなおし
	}
	}
	}
	for (size_t j = 0; j < e->indexes.size(); j++) {
	int index = e->indexes[j];
	Git::CommitItem *item = &LogItem(index);
	if (j == 0 && item->has_child) { // 最初のポイントで子がある場合
	// nop
	} else if (j + 1 < e->indexes.size() \|\| item->marker_depth < 0) { // 最後以外、または、未確定の場合
	item->marker_depth = depth; // マークの深さを設定
	}
	}
	e->depth = depth; // 深さを決定
	goto DONE; // 決定
	FAIL:;
	depth++; // 一段深くして再挑戦
	}
	DONE:;
	}
	// 線情報を生成する
	for (size_t i = 0; i < elements.size(); i++) {
	Element const &e = elements[i];
	auto ColorNumber = [&](){ return e.depth; };
	size_t count = e.indexes.size();
	for (size_t j = 0; j + 1 < count; j++) {
	int curr = e.indexes[j];
	int next = e.indexes[j + 1];
	TreeLine line(next, e.depth);
	line.color_number = ColorNumber();
	line.bend_early = (j + 2 < count \|\| !LogItem(next).resolved);
	if (j + 2 == count) {
	if (count > 2 \|\| !LogItem(curr).has_child) { // 直結ではない、または、子がない
	line.depth = LogItem(next).marker_depth; // 合流する先のアイテムの深さと同じにする
	}
	}
	LogItem(curr).parent_lines.push_back(line); // 線を追加
	}
	}
	}
	}
	}

	QList<Git::Branch> MainWindow::branchForCommit(QString const &id)
	{
	auto it = pv->branch_map.find(id);
	if (it != pv->branch_map.end()) {
	return it->second;
	}
	return QList<Git::Branch>();
	}

	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";
	editFile(path, ".gitignore");
	}

	void MainWindow::doUpdateFilesList()
	{
	QTableWidgetItem *item = ui->tableWidget_log->item(ui->tableWidget_log->currentRow(), 0);
	if (!item) return;
	int row = item->data(IndexRole).toInt();
	int logs = (int)pv->logs.size();
	if (row < logs) {
	if (Git::isUncommited(pv->logs[row])) {
	updateHeadFilesList(false);
	} else {
	QString newer = pv->logs[row].commit_id;
	QString older;
	if (pv->logs[row].parent_ids.size() > 0) {
	older = pv->logs[row].parent_ids[0];
	}
	updateFilesList(older, newer, true);
	}
	}
	}



	void MainWindow::changeLog(QListWidgetItem *item, bool uncommited)
	{
	GitPtr g = git();
	if (!g) return;

	ui->widget_diff->clear();
	int idiff = indexOfDiff(item);
	if (idiff >= 0 && idiff < pv->diffs.size()) {
	Git::Diff const &diff = pv->diffs[idiff];
	QByteArray ba;
	if (diff.blob.a.id.isEmpty()) {
	g->cat_file(diff.blob.b.id, &ba);
	ui->widget_diff->setDataAsNewFile(ba);
	} else {
	g->cat_file(diff.blob.a.id, &ba);
	ui->widget_diff->setData(ba, diff, uncommited, currentWorkingCopyDir());
	}
	ui->widget_diff->updateVerticalScrollBar(ui->verticalScrollBar);
	ui->verticalScrollBar->setValue(0);
	ui->widget_diff_pixmap->clear(false);
	updateSliderCursor();
	ui->widget_diff_pixmap->update();
	updateSliderCursor();
	}
	}

	void MainWindow::on_listWidget_unstaged_currentRowChanged(int currentRow)
	{
	bool uncommited = isThereUncommitedChanges() && currentRow == 0;
	QListWidgetItem *item = ui->listWidget_unstaged->item(currentRow);
	changeLog(item, uncommited);
	}

	void MainWindow::on_listWidget_files_currentRowChanged(int currentRow)
	{
	bool uncommited = isThereUncommitedChanges() && currentRow == 0;
	QListWidgetItem *item = ui->listWidget_files->item(currentRow);
	changeLog(item, uncommited);
	}

	void MainWindow::setGitCommand(QString const &path, bool save)
	{
	if (save) {
	MySettings s;
	s.beginGroup("Global");
	s.setValue("GitCommand", path);
	s.endGroup();
	}
	pv->gcx.git_command = path;
	}

	bool MainWindow::selectGitCommand()
	{
	#ifdef Q_OS_WIN
	char const *exe = "git.exe";
	#else
	char const *exe = "git";
	#endif


	QStringList list;
	{
	std::vector<std::string> vec;
	FileUtil::which(exe, &vec);

	std::sort(vec.begin(), vec.end());
	auto it = std::unique(vec.begin(), vec.end());
	vec = std::vector<std::string>(vec.begin(), it);

	for (std::string const &s : vec) {
	list.push_back(QString::fromStdString(s));
	}
	}

	QString path = pv->gcx.git_command;
	SelectGitCommandDialog dlg(this, path, list);
	if (dlg.exec() == QDialog::Accepted) {
	path = dlg.selectedFile();
	QFileInfo info(path);
	if (info.isExecutable()) {
	setGitCommand(path, true);
	pv->gcx.git_command = path;
	}
	return true;
	}
	return false;
	}

	void MainWindow::checkGitCommand()
	{
	while (1) {
	QFileInfo info(pv->gcx.git_command);
	if (info.isExecutable()) {
	break; // ok
	}
	if (!selectGitCommand()) {
	close();
	break;
	}
	}
	}

	void MainWindow::timerEvent(QTimerEvent *)
	{
	pv->interval_250ms_counter += pv->timer_interval_ms;
	if (pv->interval_250ms_counter >= 250) {
	pv->interval_250ms_counter -= 250;

	checkGitCommand();
	}

	if (pv->update_files_list_counter > 0) {
	if (pv->update_files_list_counter > pv->timer_interval_ms) {
	pv->update_files_list_counter -= pv->timer_interval_ms;
	} else {
	pv->update_files_list_counter = 0;
	doUpdateFilesList();
	}
	}
	}

	bool MainWindow::event(QEvent *event)
	{
	return QMainWindow::event(event);
	}

	bool MainWindow::eventFilter(QObject watched, QEvent event)
	{
	if (watched == ui->listWidget_repos) {
	if (event->type() == QEvent::KeyPress) {
	QKeyEvent e = dynamic_cast<QKeyEvent >(event);
	Q_ASSERT(e);
	int k = e->key();
	if (k == Qt::Key_Enter \|\| k == Qt::Key_Return) {
	openSelectedRepository();
	return true;
	}
	}
	}
	return false;
	}

	void MainWindow::onDiffWidgetResized()
	{
	updateSliderCursor();
	}

	bool MainWindow::saveFileAs(QString const &srcpath, QString const &dstpath)
	{
	QFile f(srcpath);
	if (f.open(QFile::ReadOnly)) {
	QByteArray ba = f.readAll();
	QFile file(dstpath);
	if (file.open(QFile::WriteOnly)) {
	file.write(ba);
	file.close();
	return true;
	}
	}
	return false;
	}

	bool MainWindow::saveBlobAs(QString const &id, QString const &dstpath)
	{
	GitPtr g = git();
	if (!g) return false;

	QByteArray ba;
	if (g->cat_file(id, &ba)) {
	QFile file(dstpath);
	if (file.open(QFile::WriteOnly)) {
	file.write(ba);
	file.close();
	return true;
	}
	}
	return false;
	}

	void MainWindow::on_action_edit_settings_triggered()
	{
	SettingsDialog dlg(this);
	if (dlg.exec() == QDialog::Accepted) {
	pv->appsettings = dlg.settings();
	setGitCommand(pv->appsettings.git_command, false);
	}
	}

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

	NewBranchDialog dlg(this);
	if (dlg.exec() == QDialog::Accepted) {
	QString name = dlg.branchName();
	g->createBranch(name);
	}
	}

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

	QList<Git::Branch> branches = g->branches();
	CheckoutBranchDialog dlg(this, branches);
	if (dlg.exec() == QDialog::Accepted) {
	QString name = dlg.branchName();
	if (!name.isEmpty()) {
	g->checkoutBranch(name);
	}
	}
	}

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

	QList<Git::Branch> branches = g->branches();
	MergeBranchDialog dlg(this, branches);
	if (dlg.exec() == QDialog::Accepted) {
	QString name = dlg.branchName();
	if (!name.isEmpty()) {
	g->mergeBranch(name);
	}
	}

	}

	void MainWindow::on_action_clone_triggered()
	{
	GitPtr g = std::shared_ptr<Git>(new Git(pv->gcx, QString()));
	CloneDialog dlg(this, g, defaultWorkingDir());
	if (dlg.exec() == QDialog::Accepted) {
	QString dir = dlg.workingDir();
	RepositoryItem item;
	item.local_dir = dir;
	item.name = makeRepositoryName(dir);
	saveRepositoryBookmark(item);
	pv->current = item;
	openRepository();
	}
	}

	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::on_comboBox_filter_currentTextChanged(const QString &text)
	{
	pv->repository_filter_text = text;
	updateRepositoriesList();
	}

	void MainWindow::on_toolButton_erase_filter_clicked()
	{
	ui->comboBox_filter->clearEditText();
	ui->listWidget_repos->setFocus();
	}

	void MainWindow::on_tableWidget_log_customContextMenuRequested(const QPoint &pos)
	{
	int row = ui->tableWidget_log->currentRow();
	if (row >= 0 && row < (int)pv->logs.size()) {
	Git::CommitItem const &commit = pv->logs[row];

	QMenu menu;
	QAction *a_property = menu.addAction(tr("&Property"));
	QAction *a_edit_comment = nullptr;
	if (row == 0 && currentBranch().ahead > 0) {
	a_edit_comment = menu.addAction(tr("Edit comment..."));
	}
	QAction *a = menu.exec(ui->tableWidget_log->viewport()->mapToGlobal(pos) + QPoint(8, -8));
	if (a) {
	if (a == a_property) {
	CommitPropertyDialog dlg(this, commit);
	dlg.exec();
	return;
	}
	if (a == a_edit_comment) {
	commit_amend();
	return;
	}
	}
	}
	}

	//#include "win32/win32.h"

	void MainWindow::on_action_test_triggered()
	{
	#if 0
	QString s = "\"%1\" --version";
	s = s.arg(pv->gcx.git_command);
	QTime t;
	t.start();
	for (int i = 0; i < 1; i++) {
	QByteArray ba;
	#if 1
	misc::qtRunCommand(s, &ba);
	#else
	winRunCommand(s, &ba);
	#endif
	s = QString::fromUtf8(ba);
	}
	qDebug() << t.elapsed() << "ms";
	qDebug() << s;
	#else
	GitPtr g1 = git();
	GitPtr g2 = g1->dup();
	qDebug() << g1->version();
	qDebug() << g2->version();
	#endif
	}

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