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svn blame failed on trunk/src/mainwindow.cpp: 28 - Can't close file '/tmp/svn-vpniGi': No space left on device

source: tspsg-svn/trunk/src/mainwindow.cpp @ 166

Last change on this file since 166 was 165, checked in by laleppa, 14 years ago
Made some small corrections to different texts. FIX: Icons in toolbar configuration dialog didn't follow style and one of them wasn't shown.
Property svn:eol-style set to `native` Property svn:keywords set to `Id URL`
File size: 70.9 KB

Rev	Line
	1	/*
	2	* TSPSG: TSP Solver and Generator
	3	* Copyright (C) 2007-2011 Lёppa <contacts[at]oleksii[dot]name>
	4	*
	5	* $Id: mainwindow.cpp 165 2011-04-15 04:28:48Z laleppa $
	6	* $URL: https://tspsg.svn.sourceforge.net/svnroot/tspsg/trunk/src/mainwindow.cpp $
	7	*
	8	* This file is part of TSPSG.
	9	*
	10	* TSPSG is free software: you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License as published by
	12	* the Free Software Foundation, either version 3 of the License, or
	13	* (at your option) any later version.
	14	*
	15	* TSPSG is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with TSPSG. If not, see <http://www.gnu.org/licenses/>.
	22	*/
	23
	24	#include "mainwindow.h"
	25
	26	#ifdef Q_WS_WIN32
	27	# include "shobjidl.h"
	28	#endif
	29
	30	#ifdef _T_T_L_
	31	#include "_.h"
	32	_C_ _R_ _Y_ _P_ _T_
	33	#endif
	34
	35	/*!
	36	* \brief Class constructor.
	37	* \param parent Main Window parent widget.
	38	*
	39	* Initializes Main Window and creates its layout based on target OS.
	40	* Loads TSPSG settings and opens a task file if it was specified as a commandline parameter.
	41	*/
	42	MainWindow::MainWindow(QWidget *parent)
	43	: QMainWindow(parent)
	44	{
	45	settings = new QSettings(QSettings::IniFormat, QSettings::UserScope, "TSPSG", "tspsg", this);
	46
	47	if (settings->contains("Style")) {
	48	QStyle *s = QStyleFactory::create(settings->value("Style").toString());
	49	if (s != NULL)
	50	QApplication::setStyle(s);
	51	else
	52	settings->remove("Style");
	53	}
	54
	55	loadLanguage();
	56	setupUi();
	57	setAcceptDrops(true);
	58
	59	initDocStyleSheet();
	60
	61	#ifndef QT_NO_PRINTER
	62	printer = new QPrinter(QPrinter::HighResolution);
	63	settings->beginGroup("Printer");
	64	QPrinter::PaperSize size = qvariant_cast<QPrinter::PaperSize>(settings->value("PaperSize", DEF_PAGE_SIZE));
	65	if (size != QPrinter::Custom) {
	66	printer->setPaperSize(size);
	67	} else {
	68	printer->setPaperSize(QSizeF(settings->value("PaperWidth").toReal(), settings->value("PaperHeight").toReal()),
	69	QPrinter::Millimeter);
	70	}
	71
	72	printer->setOrientation(qvariant_cast<QPrinter::Orientation>(settings->value("PageOrientation", DEF_PAGE_ORIENTATION)));
	73	printer->setPageMargins(
	74	settings->value("MarginLeft", DEF_MARGIN_LEFT).toReal(),
	75	settings->value("MarginTop", DEF_MARGIN_TOP).toReal(),
	76	settings->value("MarginRight", DEF_MARGIN_RIGHT).toReal(),
	77	settings->value("MarginBottom", DEF_MARGIN_BOTTOM).toReal(),
	78	QPrinter::Millimeter);
	79	settings->endGroup();
	80	#endif // QT_NO_PRINTER
	81
	82	#ifdef Q_WS_WINCE_WM
	83	currentGeometry = QApplication::desktop()->availableGeometry(0);
	84	// We need to react to SIP show/hide and resize the window appropriately
	85	connect(QApplication::desktop(), SIGNAL(workAreaResized(int)), SLOT(desktopResized(int)));
	86	#endif // Q_WS_WINCE_WM
	87	connect(actionFileNew, SIGNAL(triggered()), SLOT(actionFileNewTriggered()));
	88	connect(actionFileOpen, SIGNAL(triggered()), SLOT(actionFileOpenTriggered()));
	89	connect(actionFileSave, SIGNAL(triggered()), SLOT(actionFileSaveTriggered()));
	90	connect(actionFileSaveAsTask, SIGNAL(triggered()), SLOT(actionFileSaveAsTaskTriggered()));
	91	connect(actionFileSaveAsSolution, SIGNAL(triggered()), SLOT(actionFileSaveAsSolutionTriggered()));
	92	#ifndef QT_NO_PRINTER
	93	connect(actionFilePrintPreview, SIGNAL(triggered()), SLOT(actionFilePrintPreviewTriggered()));
	94	connect(actionFilePageSetup, SIGNAL(triggered()), SLOT(actionFilePageSetupTriggered()));
	95	connect(actionFilePrint, SIGNAL(triggered()), SLOT(actionFilePrintTriggered()));
	96	#endif // QT_NO_PRINTER
	97	#ifndef HANDHELD
	98	connect(actionSettingsToolbarsConfigure, SIGNAL(triggered()), SLOT(actionSettingsToolbarsConfigureTriggered()));
	99	#endif // HANDHELD
	100	connect(actionSettingsPreferences, SIGNAL(triggered()), SLOT(actionSettingsPreferencesTriggered()));
	101	if (actionHelpCheck4Updates != NULL)
	102	connect(actionHelpCheck4Updates, SIGNAL(triggered()), SLOT(actionHelpCheck4UpdatesTriggered()));
	103	connect(actionSettingsLanguageAutodetect, SIGNAL(triggered(bool)), SLOT(actionSettingsLanguageAutodetectTriggered(bool)));
	104	connect(groupSettingsLanguageList, SIGNAL(triggered(QAction )), SLOT(groupSettingsLanguageListTriggered(QAction )));
	105	connect(actionSettingsStyleSystem, SIGNAL(triggered(bool)), SLOT(actionSettingsStyleSystemTriggered(bool)));
	106	connect(groupSettingsStyleList, SIGNAL(triggered(QAction)), SLOT(groupSettingsStyleListTriggered(QAction)));
	107	connect(actionHelpOnlineSupport, SIGNAL(triggered()), SLOT(actionHelpOnlineSupportTriggered()));
	108	connect(actionHelpReportBug, SIGNAL(triggered()), SLOT(actionHelpReportBugTriggered()));
	109	connect(actionHelpAboutQt, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
	110	connect(actionHelpAbout, SIGNAL(triggered()), SLOT(actionHelpAboutTriggered()));
	111
	112	connect(buttonSolve, SIGNAL(clicked()), SLOT(buttonSolveClicked()));
	113	connect(buttonRandom, SIGNAL(clicked()), SLOT(buttonRandomClicked()));
	114	connect(buttonBackToTask, SIGNAL(clicked()), SLOT(buttonBackToTaskClicked()));
	115	connect(spinCities, SIGNAL(valueChanged(int)), SLOT(spinCitiesValueChanged(int)));
	116
	117	#ifndef HANDHELD
	118	// Centering main window
	119	QRect rect = geometry();
	120	rect.moveCenter(QApplication::desktop()->availableGeometry(this).center());
	121	setGeometry(rect);
	122	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
	123	// Loading of saved window state
	124	settings->beginGroup("MainWindow");
	125	restoreGeometry(settings->value("Geometry").toByteArray());
	126	restoreState(settings->value("State").toByteArray());
	127	settings->endGroup();
	128	}
	129	#endif // HANDHELD
	130
	131	tspmodel = new CTSPModel(this);
	132	taskView->setModel(tspmodel);
	133	connect(tspmodel, SIGNAL(numCitiesChanged(int)), SLOT(numCitiesChanged(int)));
	134	connect(tspmodel, SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)), SLOT(dataChanged(const QModelIndex &, const QModelIndex &)));
	135	connect(tspmodel, SIGNAL(layoutChanged()), SLOT(dataChanged()));
	136	if ((QCoreApplication::arguments().count() > 1) && (tspmodel->loadTask(QCoreApplication::arguments().at(1))))
	137	setFileName(QCoreApplication::arguments().at(1));
	138	else {
	139	setFileName();
	140	spinCities->setValue(settings->value("NumCities",DEF_NUM_CITIES).toInt());
	141	spinCitiesValueChanged(spinCities->value());
	142	}
	143	setWindowModified(false);
	144
	145	if (actionHelpCheck4Updates != NULL) {
	146	if (!settings->contains("Check4Updates/Enabled")) {
	147	QApplication::setOverrideCursor(QCursor(Qt::ArrowCursor));
	148	settings->setValue("Check4Updates/Enabled",
	149	QMessageBox::question(this, QCoreApplication::applicationName(),
	150	tr("Would you like %1 to automatically check for updates every %n day(s)?", "", settings->value("Check4Updates/Interval", DEF_UPDATE_CHECK_INTERVAL).toInt()).arg(QCoreApplication::applicationName()),
	151	QMessageBox::Yes \| QMessageBox::No
	152	) == QMessageBox::Yes
	153	);
	154	QApplication::restoreOverrideCursor();
	155	}
	156	if ((settings->value("Check4Updates/Enabled", DEF_CHECK_FOR_UPDATES).toBool())
	157	&& (QDate(qvariant_cast<QDate>(settings->value("Check4Updates/LastAttempt"))).daysTo(QDate::currentDate()) >= settings->value("Check4Updates/Interval", DEF_UPDATE_CHECK_INTERVAL).toInt())) {
	158	check4Updates(true);
	159	}
	160	}
	161	}
	162
	163	MainWindow::~MainWindow()
	164	{
	165	#ifndef QT_NO_PRINTER
	166	delete printer;
	167	#endif
	168	}
	169
	170	/* Privates **********************************************************/
	171
	172	void MainWindow::actionFileNewTriggered()
	173	{
	174	if (!maybeSave())
	175	return;
	176	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	177	tspmodel->clear();
	178	setFileName();
	179	setWindowModified(false);
	180	tabWidget->setCurrentIndex(0);
	181	solutionText->clear();
	182	graph = QPicture();
	183	toggleSolutionActions(false);
	184	QApplication::restoreOverrideCursor();
	185	}
	186
	187	void MainWindow::actionFileOpenTriggered()
	188	{
	189	if (!maybeSave())
	190	return;
	191
	192	QStringList filters(tr("All Supported Formats") + " (.tspt .zkt)");
	193	filters.append(tr("%1 Task Files").arg("TSPSG") + " (*.tspt)");
	194	filters.append(tr("%1 Task Files").arg("ZKomModRd") + " (*.zkt)");
	195	filters.append(tr("All Files") + " (*)");
	196
	197	QString file;
	198	if ((fileName == tr("Untitled") + ".tspt") && settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool())
	199	file = settings->value(OS"/LastUsed/TaskLoadPath").toString();
	200	else
	201	file = QFileInfo(fileName).path();
	202	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
	203	file = QFileDialog::getOpenFileName(this, tr("Task Load"), file, filters.join(";;"), NULL, opts);
	204	if (file.isEmpty() \|\| !QFileInfo(file).isFile())
	205	return;
	206	if (settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool())
	207	settings->setValue(OS"/LastUsed/TaskLoadPath", QFileInfo(file).path());
	208
	209	if (!tspmodel->loadTask(file))
	210	return;
	211	setFileName(file);
	212	tabWidget->setCurrentIndex(0);
	213	setWindowModified(false);
	214	solutionText->clear();
	215	toggleSolutionActions(false);
	216	}
	217
	218	bool MainWindow::actionFileSaveTriggered()
	219	{
	220	if ((fileName == tr("Untitled") + ".tspt") \|\| !fileName.endsWith(".tspt", Qt::CaseInsensitive))
	221	return saveTask();
	222	else
	223	if (tspmodel->saveTask(fileName)) {
	224	setWindowModified(false);
	225	return true;
	226	} else
	227	return false;
	228	}
	229
	230	void MainWindow::actionFileSaveAsTaskTriggered()
	231	{
	232	saveTask();
	233	}
	234
	235	void MainWindow::actionFileSaveAsSolutionTriggered()
	236	{
	237	static QString selectedFile;
	238	if (selectedFile.isEmpty()) {
	239	if (settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool()) {
	240	selectedFile = settings->value(OS"/LastUsed/SolutionSavePath").toString();
	241	}
	242	} else
	243	selectedFile = QFileInfo(selectedFile).path();
	244	if (!selectedFile.isEmpty())
	245	selectedFile.append("/");
	246	if (fileName == tr("Untitled") + ".tspt") {
	247	#ifndef QT_NO_PRINTER
	248	selectedFile += "solution.pdf";
	249	#else
	250	selectedFile += "solution.html";
	251	#endif // QT_NO_PRINTER
	252	} else {
	253	#ifndef QT_NO_PRINTER
	254	selectedFile += QFileInfo(fileName).completeBaseName() + ".pdf";
	255	#else
	256	selectedFile += QFileInfo(fileName).completeBaseName() + ".html";
	257	#endif // QT_NO_PRINTER
	258	}
	259
	260	QStringList filters;
	261	#ifndef QT_NO_PRINTER
	262	filters.append(tr("PDF Files") + " (*.pdf)");
	263	#endif
	264	filters.append(tr("HTML Files") + " (.html .htm)");
	265	filters.append(tr("OpenDocument Files") + " (*.odt)");
	266	filters.append(tr("All Files") + " (*)");
	267
	268	QFileDialog::Options opts(settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog);
	269	QString file = QFileDialog::getSaveFileName(this, QString(), selectedFile, filters.join(";;"), NULL, opts);
	270	if (file.isEmpty())
	271	return;
	272	selectedFile = file;
	273	if (settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool())
	274	settings->setValue(OS"/LastUsed/SolutionSavePath", QFileInfo(selectedFile).path());
	275	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	276	#ifndef QT_NO_PRINTER
	277	if (selectedFile.endsWith(".pdf", Qt::CaseInsensitive)) {
	278	printer->setOutputFileName(selectedFile);
	279	solutionText->document()->print(printer);
	280	printer->setOutputFileName(QString());
	281	QApplication::restoreOverrideCursor();
	282	return;
	283	}
	284	#endif
	285	if (selectedFile.endsWith(".htm", Qt::CaseInsensitive) \|\| selectedFile.endsWith(".html", Qt::CaseInsensitive)) {
	286	QFile file(selectedFile);
	287	if (!file.open(QFile::WriteOnly)) {
	288	QApplication::restoreOverrideCursor();
	289	QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution.\nError: %1").arg(file.errorString()));
	290	return;
	291	}
	292	QFileInfo fi(selectedFile);
	293	QString format = settings->value("Output/GraphImageFormat", DEF_GRAPH_IMAGE_FORMAT).toString();
	294	#if !defined(NOSVG)
	295	if (!QImageWriter::supportedImageFormats().contains(format.toAscii()) && (format != "svg")) {
	296	#else // NOSVG
	297	if (!QImageWriter::supportedImageFormats().contains(format.toAscii())) {
	298	#endif // NOSVG
	299	format = DEF_GRAPH_IMAGE_FORMAT;
	300	settings->remove("Output/GraphImageFormat");
	301	}
	302	QString html = solutionText->document()->toHtml("UTF-8");
	303
	304	html.replace(QRegExp("font-family:([^;]*);"), "font-family:\\1, 'DejaVu Sans Mono', 'Courier New', Courier, monospace;");
	305
	306	if (!graph.isNull()) {
	307	QString img = fi.completeBaseName() + "." + format;
	308	bool embed = settings->value("Output/EmbedGraphIntoHTML", DEF_EMBED_GRAPH_INTO_HTML).toBool();
	309	QByteArray data;
	310	QBuffer buf(&data);
	311	if (!embed) {
	312	html.replace(QRegExp("<img\\s+src=\"tspsg://graph.pic\""), QString("<img src=\"%1\" alt=\"%2\"").arg(img, tr("Solution Graph")));
	313	}
	314
	315	// Saving solution graph in SVG or supported raster format (depending on settings and SVG support)
	316	#if !defined(NOSVG)
	317	if (format == "svg") {
	318	QSvgGenerator svg;
	319	svg.setSize(QSize(graph.width() + 2, graph.height() + 2));
	320	svg.setResolution(graph.logicalDpiX());
	321	svg.setFileName(fi.path() + "/" + img);
	322	svg.setTitle(tr("Solution Graph"));
	323	svg.setDescription(tr("Generated with %1").arg(QCoreApplication::applicationName()));
	324	QPainter p;
	325	p.begin(&svg);
	326	p.drawPicture(1, 1, graph);
	327	p.end();
	328	} else {
	329	#endif // NOSVG
	330	QImage i(graph.width() + 2, graph.height() + 2, QImage::Format_ARGB32);
	331	i.fill(0x00FFFFFF);
	332	QPainter p;
	333	p.begin(&i);
	334	p.drawPicture(1, 1, graph);
	335	p.end();
	336	QImageWriter pic;
	337	if (embed) {
	338	pic.setDevice(&buf);
	339	pic.setFormat(format.toAscii());
	340	} else {
	341	pic.setFileName(fi.path() + "/" + img);
	342	}
	343	if (pic.supportsOption(QImageIOHandler::Description)) {
	344	pic.setText("Title", "Solution Graph");
	345	pic.setText("Software", QCoreApplication::applicationName());
	346	}
	347	if (format == "png")
	348	pic.setQuality(5);
	349	else if (format == "jpeg")
	350	pic.setQuality(80);
	351	if (!pic.write(i)) {
	352	QApplication::restoreOverrideCursor();
	353	QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution graph.\nError: %1").arg(pic.errorString()));
	354	return;
	355	}
	356	#if !defined(NOSVG)
	357	}
	358	#endif // NOSVG
	359	if (embed) {
	360	html.replace(QRegExp("<img\\s+src=\"tspsg://graph.pic\""), QString("<img src=\"data:image/%1;base64,%2\" alt=\"%3\"").arg(format, data.toBase64(), tr("Solution Graph")));
	361	}
	362	}
	363	// Saving solution text as HTML
	364	QTextStream ts(&file);
	365	ts.setCodec(QTextCodec::codecForName("UTF-8"));
	366	ts << html;
	367	file.close();
	368	} else {
	369	QTextDocumentWriter dw(selectedFile);
	370	if (!selectedFile.endsWith(".odt",Qt::CaseInsensitive))
	371	dw.setFormat("plaintext");
	372	if (!dw.write(solutionText->document()))
	373	QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution.\nError: %1").arg(dw.device()->errorString()));
	374	}
	375	QApplication::restoreOverrideCursor();
	376	}
	377
	378	#ifndef QT_NO_PRINTER
	379	void MainWindow::actionFilePrintPreviewTriggered()
	380	{
	381	QPrintPreviewDialog ppd(printer, this);
	382	connect(&ppd,SIGNAL(paintRequested(QPrinter )),SLOT(printPreview(QPrinter )));
	383	ppd.exec();
	384
	385	qreal l, t, r, b;
	386	printer->getPageMargins(&l, &t, &r, &b, QPrinter::Millimeter);
	387
	388	settings->beginGroup("Printer");
	389	settings->setValue("PaperSize", printer->paperSize());
	390	if (printer->paperSize() == QPrinter::Custom) {
	391	QSizeF size(printer->paperSize(QPrinter::Millimeter));
	392	settings->setValue("PaperWidth", size.width());
	393	settings->setValue("PaperHeight", size.height());
	394	}
	395	settings->setValue("PageOrientation", printer->orientation());
	396	settings->setValue("MarginLeft", l);
	397	settings->setValue("MarginTop", t);
	398	settings->setValue("MarginRight", r);
	399	settings->setValue("MarginBottom", b);
	400	settings->endGroup();
	401	}
	402
	403	void MainWindow::actionFilePageSetupTriggered()
	404	{
	405	QPageSetupDialog psd(printer, this);
	406	if (psd.exec() != QDialog::Accepted)
	407	return;
	408
	409	qreal l, t, r ,b;
	410	printer->getPageMargins(&l, &t, &r, &b, QPrinter::Millimeter);
	411
	412	settings->beginGroup("Printer");
	413	settings->setValue("PaperSize", printer->paperSize());
	414	if (printer->paperSize() == QPrinter::Custom) {
	415	QSizeF size(printer->paperSize(QPrinter::Millimeter));
	416	settings->setValue("PaperWidth", size.width());
	417	settings->setValue("PaperHeight", size.height());
	418	}
	419	settings->setValue("PageOrientation", printer->orientation());
	420	settings->setValue("MarginLeft", l);
	421	settings->setValue("MarginTop", t);
	422	settings->setValue("MarginRight", r);
	423	settings->setValue("MarginBottom", b);
	424	settings->endGroup();
	425	}
	426
	427	void MainWindow::actionFilePrintTriggered()
	428	{
	429	QPrintDialog pd(printer,this);
	430	if (pd.exec() != QDialog::Accepted)
	431	return;
	432	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	433	solutionText->print(printer);
	434	QApplication::restoreOverrideCursor();
	435	}
	436	#endif // QT_NO_PRINTER
	437
	438	void MainWindow::actionSettingsPreferencesTriggered()
	439	{
	440	SettingsDialog sd(this);
	441	if (sd.exec() != QDialog::Accepted)
	442	return;
	443	if (sd.colorChanged() \|\| sd.fontChanged()) {
	444	if (!solutionText->document()->isEmpty() && sd.colorChanged())
	445	QMessageBox::information(this, tr("Settings Changed"), tr("You have changed color settings.\nThey will be applied to the next solution output."));
	446	initDocStyleSheet();
	447	}
	448	if (sd.translucencyChanged() != 0)
	449	toggleTranclucency(sd.translucencyChanged() == 1);
	450	}
	451
	452	void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked)
	453	{
	454	if (checked) {
	455	settings->remove("Language");
	456	QMessageBox::information(this, tr("Language change"), tr("Language will be autodetected on the next %1 start.").arg(QCoreApplication::applicationName()));
	457	} else
	458	settings->setValue("Language", groupSettingsLanguageList->checkedAction()->data().toString());
	459	}
	460
	461	void MainWindow::groupSettingsLanguageListTriggered(QAction *action)
	462	{
	463	#ifndef Q_WS_MAEMO_5
	464	if (actionSettingsLanguageAutodetect->isChecked())
	465	actionSettingsLanguageAutodetect->trigger();
	466	#endif
	467	bool untitled = (fileName == tr("Untitled") + ".tspt");
	468	if (loadLanguage(action->data().toString())) {
	469	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	470	settings->setValue("Language",action->data().toString());
	471	retranslateUi();
	472	if (untitled)
	473	setFileName();
	474	#ifndef HANDHELD
	475	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
	476	toggleStyle(labelVariant, true);
	477	toggleStyle(labelCities, true);
	478	}
	479	#endif
	480	QApplication::restoreOverrideCursor();
	481	if (!solutionText->document()->isEmpty())
	482	QMessageBox::information(this, tr("Settings Changed"), tr("You have changed the application language.\nTo get current solution output in the new language\nyou need to re-run the solution process."));
	483	}
	484	}
	485
	486	void MainWindow::actionSettingsStyleSystemTriggered(bool checked)
	487	{
	488	if (checked) {
	489	settings->remove("Style");
	490	QMessageBox::information(this, tr("Style Change"), tr("To apply the default style you need to restart %1.").arg(QCoreApplication::applicationName()));
	491	} else {
	492	settings->setValue("Style", groupSettingsStyleList->checkedAction()->text());
	493	}
	494	}
	495
	496	void MainWindow::groupSettingsStyleListTriggered(QAction *action)
	497	{
	498	QStyle *s = QStyleFactory::create(action->text());
	499	if (s != NULL) {
	500	QApplication::setStyle(s);
	501	settings->setValue("Style", action->text());
	502	actionSettingsStyleSystem->setChecked(false);
	503	}
	504	}
	505
	506	#ifndef HANDHELD
	507	void MainWindow::actionSettingsToolbarsConfigureTriggered()
	508	{
	509	QtToolBarDialog dlg(this);
	510	dlg.setToolBarManager(toolBarManager);
	511	dlg.exec();
	512	QToolButton tb = static_cast<QToolButton >(toolBarMain->widgetForAction(actionFileSave));
	513	if (tb != NULL) {
	514	tb->setMenu(menuFileSaveAs);
	515	tb->setPopupMode(QToolButton::MenuButtonPopup);
	516	tb->resize(tb->sizeHint());
	517	}
	518
	519	loadToolbarList();
	520	}
	521	#endif // HANDHELD
	522
	523	void MainWindow::actionHelpCheck4UpdatesTriggered()
	524	{
	525	if (!hasUpdater()) {
	526	QMessageBox::warning(this, tr("Unsupported Feature"), tr("Sorry, but this feature is not supported on your\nplatform or support for it was not installed."));
	527	return;
	528	}
	529
	530	check4Updates();
	531	}
	532
	533	void MainWindow::actionHelpAboutTriggered()
	534	{
	535	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	536
	537	QString title;
	538	title += QString("<b>%1</b><br>").arg(QCoreApplication::applicationName());
	539	title += QString("%1: <b>%2</b><br>").arg(tr("Version"), QCoreApplication::applicationVersion());
	540	#ifndef HANDHELD
	541	title += QString("<b>© 2007-%1 <a href=\"http://%2/\">%3</a></b><br>").arg(QDate::currentDate().toString("yyyy"), QCoreApplication::organizationDomain(), QCoreApplication::organizationName());
	542	#endif // HANDHELD
	543	title += QString("<b><a href=\"http://tspsg.info/\">http://tspsg.info/</a></b>");
	544
	545	QString about;
	546	about += QString("%1: <b>%2</b><br>").arg(tr("Target OS (ARCH)"), PLATFROM);
	547	about += QString("%1:<br>").arg(tr("Qt library"));
	548	about += QString("    %1: <b>%2</b><br>").arg(tr("Build time"), QT_VERSION_STR);
	549	about += QString("    %1: <b>%2</b><br>").arg(tr("Runtime"), qVersion());
	550	about.append(QString("%1: <b>%2x%3</b><br>").arg("Logical DPI").arg(logicalDpiX()).arg(logicalDpiY()));
	551	about += tr("Buid <b>%1</b>, built on <b>%2</b> at <b>%3</b> with <b>%4</b> compiler.").arg(BUILD_NUMBER).arg(__DATE__).arg(__TIME__).arg(COMPILER) + "<br>";
	552	about += QString("%1: <b>%2</b><br>").arg(tr("Algorithm"), CTSPSolver::getVersionId());
	553	about += "<br>";
	554	about += tr("This program is free software: you can redistribute it and/or modify<br>\n"
	555	"it under the terms of the GNU General Public License as published by<br>\n"
	556	"the Free Software Foundation, either version 3 of the License, or<br>\n"
	557	"(at your option) any later version.<br>\n"
	558	"<br>\n"
	559	"This program is distributed in the hope that it will be useful,<br>\n"
	560	"but WITHOUT ANY WARRANTY; without even the implied warranty of<br>\n"
	561	"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>\n"
	562	"GNU General Public License for more details.<br>\n"
	563	"<br>\n"
	564	"You should have received a copy of the GNU General Public License<br>\n"
	565	"along with TSPSG. If not, see <a href=\"http://www.gnu.org/licenses/\">www.gnu.org/licenses/</a>.");
	566
	567	QString credits;
	568	credits += tr("%1 was created using <b>Qt framework</b> licensed "
	569	"under the terms of the GNU Lesser General Public License,<br>\n"
	570	"see <a href=\"http://qt.nokia.com/\">qt.nokia.com</a><br>\n"
	571	"<br>\n"
	572	"Most icons used in %1 are part of <b>Oxygen Icons</b> project "
	573	"licensed according to the GNU Lesser General Public License,<br>\n"
	574	"see <a href=\"http://www.oxygen-icons.org/\">www.oxygen-icons.org</a><br>\n"
	575	"<br>\n"
	576	"Country flag icons used in %1 are part of the free "
	577	"<b>Flag Icons</b> collection created by <b>IconDrawer</b>,<br>\n"
	578	"see <a href=\"http://www.icondrawer.com/\">www.icondrawer.com</a><br>\n"
	579	"<br>\n"
	580	"%1 comes with the default \"embedded\" font <b>DejaVu LGC Sans "
	581	"Mono</b> from the <b>DejaVu fonts</b> licensed under a Free license</a>,<br>\n"
	582	"see <a href=\"http://dejavu-fonts.org/\">dejavu-fonts.org</a>")
	583	.arg("TSPSG");
	584
	585	QFile f(":/files/COPYING");
	586	f.open(QIODevice::ReadOnly);
	587
	588	QString translation = QCoreApplication::translate("--------", "AUTHORS %1", "Please, provide translator credits here. %1 will be replaced with VERSION");
	589	if ((translation != "AUTHORS %1") && (translation.contains("%1"))) {
	590	QString about = QCoreApplication::translate("--------", "VERSION", "Please, provide your translation version here.");
	591	if (about != "VERSION")
	592	translation = translation.arg(about);
	593	}
	594
	595	QDialog *dlg = new QDialog(this);
	596	QLabel *lblIcon = new QLabel(dlg),
	597	*lblTitle = new QLabel(dlg);
	598	#ifdef HANDHELD
	599	QLabel *lblSubTitle = new QLabel(QString("<b>© 2007-%1 <a href=\"http://%2/\">%3</a></b>").arg(QDate::currentDate().toString("yyyy"), QCoreApplication::organizationDomain(), QCoreApplication::organizationName()), dlg);
	600	#endif // HANDHELD
	601	QTabWidget *tabs = new QTabWidget(dlg);
	602	QTextBrowser *txtAbout = new QTextBrowser(dlg);
	603	QTextBrowser *txtLicense = new QTextBrowser(dlg);
	604	QTextBrowser *txtCredits = new QTextBrowser(dlg);
	605	QVBoxLayout *vb = new QVBoxLayout();
	606	QHBoxLayout *hb1 = new QHBoxLayout(),
	607	*hb2 = new QHBoxLayout();
	608	QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok, Qt::Horizontal, dlg);
	609
	610	lblTitle->setOpenExternalLinks(true);
	611	lblTitle->setText(title);
	612	lblTitle->setAlignment(Qt::AlignTop);
	613	lblTitle->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
	614	#ifndef HANDHELD
	615	lblTitle->setStyleSheet(QString("QLabel {background-color: %1; border-color: %2; border-width: 1px; border-style: solid; border-radius: 4px; padding: 1px;}").arg(palette().alternateBase().color().name(), palette().shadow().color().name()));
	616	#endif // HANDHELD
	617
	618	lblIcon->setPixmap(QPixmap(":/images/tspsg.png").scaledToHeight(lblTitle->sizeHint().height(), Qt::SmoothTransformation));
	619	lblIcon->setAlignment(Qt::AlignVCenter);
	620	#ifndef HANDHELD
	621	lblIcon->setStyleSheet(QString("QLabel {background-color: white; border-color: %1; border-width: 1px; border-style: solid; border-radius: 4px; padding: 1px;}").arg(palette().windowText().color().name()));
	622	#endif // HANDHELD
	623
	624	hb1->addWidget(lblIcon);
	625	hb1->addWidget(lblTitle);
	626
	627	txtAbout->setWordWrapMode(QTextOption::NoWrap);
	628	txtAbout->setOpenExternalLinks(true);
	629	txtAbout->setHtml(about);
	630	txtAbout->moveCursor(QTextCursor::Start);
	631	txtAbout->setFrameShape(QFrame::NoFrame);
	632
	633	// txtCredits->setWordWrapMode(QTextOption::NoWrap);
	634	txtCredits->setOpenExternalLinks(true);
	635	txtCredits->setHtml(credits);
	636	txtCredits->moveCursor(QTextCursor::Start);
	637	txtCredits->setFrameShape(QFrame::NoFrame);
	638
	639	txtLicense->setWordWrapMode(QTextOption::NoWrap);
	640	txtLicense->setOpenExternalLinks(true);
	641	txtLicense->setText(f.readAll());
	642	txtLicense->moveCursor(QTextCursor::Start);
	643	txtLicense->setFrameShape(QFrame::NoFrame);
	644
	645	bb->button(QDialogButtonBox::Ok)->setCursor(QCursor(Qt::PointingHandCursor));
	646	bb->button(QDialogButtonBox::Ok)->setIcon(GET_ICON("dialog-ok"));
	647
	648	hb2->addWidget(bb);
	649
	650	#ifdef Q_WS_WINCE_WM
	651	vb->setMargin(3);
	652	#endif // Q_WS_WINCE_WM
	653	vb->addLayout(hb1);
	654	#ifdef HANDHELD
	655	vb->addWidget(lblSubTitle);
	656	#endif // HANDHELD
	657
	658	tabs->addTab(txtAbout, tr("About"));
	659	tabs->addTab(txtLicense, tr("License"));
	660	tabs->addTab(txtCredits, tr("Credits"));
	661	if (translation != "AUTHORS %1") {
	662	QTextBrowser *txtTranslation = new QTextBrowser(dlg);
	663	// txtTranslation->setWordWrapMode(QTextOption::NoWrap);
	664	txtTranslation->setOpenExternalLinks(true);
	665	txtTranslation->setText(translation);
	666	txtTranslation->moveCursor(QTextCursor::Start);
	667	txtTranslation->setFrameShape(QFrame::NoFrame);
	668
	669	tabs->addTab(txtTranslation, tr("Translation"));
	670	}
	671	#ifndef HANDHELD
	672	tabs->setStyleSheet(QString("QTabWidget::pane {background-color: %1; border-color: %3; border-width: 1px; border-style: solid; border-bottom-left-radius: 4px; border-bottom-right-radius: 4px; padding: 1px;} QTabBar::tab {background-color: %2; border-color: %3; border-width: 1px; border-style: solid; border-bottom: none; border-top-left-radius: 4px; border-top-right-radius: 4px; padding: 2px 6px;} QTabBar::tab:selected {background-color: %4;} QTabBar::tab:!selected {margin-top: 1px;}").arg(palette().base().color().name(), palette().button().color().name(), palette().shadow().color().name(), palette().light().color().name()));
	673	#endif // HANDHELD
	674
	675	vb->addWidget(tabs);
	676	vb->addLayout(hb2);
	677
	678	dlg->setWindowFlags(Qt::Dialog \| Qt::CustomizeWindowHint \| Qt::WindowTitleHint \| Qt::WindowCloseButtonHint);
	679	dlg->setWindowTitle(tr("About %1").arg(QCoreApplication::applicationName()));
	680	dlg->setWindowIcon(GET_ICON("help-about"));
	681
	682	dlg->setLayout(vb);
	683
	684	connect(bb, SIGNAL(accepted()), dlg, SLOT(accept()));
	685
	686	#ifndef HANDHELD
	687	// Adding some eyecandy
	688	if (QtWin::isCompositionEnabled()) {
	689	QtWin::enableBlurBehindWindow(dlg, true);
	690	}
	691	#endif // HANDHELD
	692
	693	#ifndef HANDHELD
	694	dlg->resize(450, 350);
	695	#endif
	696	QApplication::restoreOverrideCursor();
	697
	698	dlg->exec();
	699
	700	delete dlg;
	701	}
	702
	703	void MainWindow::buttonBackToTaskClicked()
	704	{
	705	tabWidget->setCurrentIndex(0);
	706	}
	707
	708	void MainWindow::buttonRandomClicked()
	709	{
	710	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	711	tspmodel->randomize();
	712	QApplication::restoreOverrideCursor();
	713	}
	714
	715	void MainWindow::buttonSolveClicked()
	716	{
	717	TMatrix matrix;
	718	QList<double> row;
	719	int n = spinCities->value();
	720	bool ok;
	721	for (int r = 0; r < n; r++) {
	722	row.clear();
	723	for (int c = 0; c < n; c++) {
	724	row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok));
	725	if (!ok) {
	726	QMessageBox::critical(this, tr("Data error"), tr("Error in cell [Row %1; Column %2]: Invalid data format.").arg(r + 1).arg(c + 1));
	727	return;
	728	}
	729	}
	730	matrix.append(row);
	731	}
	732
	733	QProgressDialog pd(this);
	734	QProgressBar *pb = new QProgressBar(&pd);
	735	pb->setAlignment(Qt::AlignCenter);
	736	pb->setFormat(tr("%v of %1 parts found").arg(n));
	737	pd.setBar(pb);
	738	QPushButton *cancel = new QPushButton(&pd);
	739	cancel->setIcon(GET_ICON("dialog-cancel"));
	740	cancel->setText(QCoreApplication::translate("QDialogButtonBox", "Cancel", "No need to translate this. The translation will be taken from Qt translation files."));
	741	pd.setCancelButton(cancel);
	742	pd.setMaximum(n);
	743	pd.setAutoReset(false);
	744	pd.setLabelText(tr("Calculating optimal route..."));
	745	pd.setWindowTitle(tr("Solution Progress"));
	746	pd.setWindowModality(Qt::ApplicationModal);
	747	pd.setWindowFlags(Qt::Dialog \| Qt::CustomizeWindowHint \| Qt::WindowTitleHint);
	748	pd.show();
	749
	750	#ifdef Q_WS_WIN32
	751	HRESULT hr = CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_ITaskbarList3, (LPVOID*)&tl);
	752	if (SUCCEEDED(hr)) {
	753	hr = tl->HrInit();
	754	if (FAILED(hr)) {
	755	tl->Release();
	756	tl = NULL;
	757	} else {
	758	tl->SetProgressValue(winId(), 0, n * 2);
	759	}
	760	}
	761	#endif
	762
	763	CTSPSolver solver;
	764	solver.setCleanupOnCancel(false);
	765	connect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int)));
	766	connect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel()));
	767	#ifdef Q_WS_WIN32
	768	if (tl != NULL)
	769	connect(&solver, SIGNAL(routePartFound(int)), SLOT(solverRoutePartFound(int)));
	770	#endif
	771	SStep *root = solver.solve(n, matrix);
	772	#ifdef Q_WS_WIN32
	773	if (tl != NULL)
	774	disconnect(&solver, SIGNAL(routePartFound(int)), this, SLOT(solverRoutePartFound(int)));
	775	#endif
	776	disconnect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int)));
	777	disconnect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel()));
	778	if (!root) {
	779	pd.reset();
	780	if (!solver.wasCanceled()) {
	781	#ifdef Q_WS_WIN32
	782	if (tl != NULL) {
	783	tl->SetProgressState(winId(), TBPF_ERROR);
	784	}
	785	#endif
	786	QApplication::alert(this);
	787	QMessageBox::warning(this, tr("Solution Result"), tr("Unable to find a solution.\nMaybe, this task has no solution."));
	788	}
	789	pd.setLabelText(tr("Memory cleanup..."));
	790	pd.setMaximum(0);
	791	pd.setCancelButton(NULL);
	792	pd.show();
	793	#ifdef Q_WS_WIN32
	794	if (tl != NULL)
	795	tl->SetProgressState(winId(), TBPF_INDETERMINATE);
	796	#endif
	797	QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
	798
	799	#ifndef QT_NO_CONCURRENT
	800	QFuture<void> f = QtConcurrent::run(&solver, &CTSPSolver::cleanup, false);
	801	while (!f.isFinished()) {
	802	QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
	803	}
	804	#else
	805	solver.cleanup(true);
	806	#endif
	807	pd.reset();
	808	#ifdef Q_WS_WIN32
	809	if (tl != NULL) {
	810	tl->SetProgressState(winId(), TBPF_NOPROGRESS);
	811	tl->Release();
	812	tl = NULL;
	813	}
	814	#endif
	815	return;
	816	}
	817	pb->setFormat(tr("Generating header"));
	818	pd.setLabelText(tr("Generating solution output..."));
	819	pd.setMaximum(solver.getTotalSteps() + 1);
	820	pd.setValue(0);
	821
	822	#ifdef Q_WS_WIN32
	823	if (tl != NULL)
	824	tl->SetProgressValue(winId(), spinCities->value(), spinCities->value() + solver.getTotalSteps() + 1);
	825	#endif
	826
	827	solutionText->clear();
	828	solutionText->setDocumentTitle(tr("Solution of Variant #%1 Task").arg(spinVariant->value()));
	829
	830	QPainter pic;
	831	bool dograph = settings->value("Output/GenerateGraph", DEF_GENERATE_GRAPH).toBool();
	832	if (dograph) {
	833	pic.begin(&graph);
	834	pic.setRenderHints(QPainter::Antialiasing \| QPainter::SmoothPixmapTransform);
	835	QFont font = qvariant_cast<QFont>(settings->value("Output/Font", QFont(DEF_FONT_FACE)));
	836	font.setStyleHint(QFont::TypeWriter);
	837	// Font size in pixels = graph node radius / 2.75.
	838	// See MainWindow::drawNode() for graph node radius calcualtion description.
	839	#ifndef Q_WS_S60
	840	font.setPixelSize(logicalDpiX() * (settings->value("Output/GraphWidth", DEF_GRAPH_WIDTH).toReal() / CM_IN_INCH) / 4.5 / 2.75);
	841	#else
	842	// Also, see again MainWindow::drawNode() for why is additional 1.3 divider added in Symbian.
	843	font.setPixelSize(logicalDpiX() * (settings->value("Output/GraphWidth", DEF_GRAPH_WIDTH).toReal() / CM_IN_INCH) / 4.5 / 2.75 / 1.3);
	844	#endif
	845	if (settings->value("Output/HQGraph", DEF_HQ_GRAPH).toBool()) {
	846	font.setWeight(QFont::DemiBold);
	847	font.setPixelSize(font.pixelSize() * HQ_FACTOR);
	848	}
	849	pic.setFont(font);
	850	pic.setBrush(QBrush(QColor(Qt::white)));
	851	if (settings->value("Output/HQGraph", DEF_HQ_GRAPH).toBool()) {
	852	QPen pen = pic.pen();
	853	pen.setWidth(HQ_FACTOR);
	854	pic.setPen(pen);
	855	}
	856	pic.setBackgroundMode(Qt::OpaqueMode);
	857	} else {
	858	graph = QPicture();
	859	}
	860
	861	QTextDocument *doc = solutionText->document();
	862	QTextCursor cur(doc);
	863
	864	cur.beginEditBlock();
	865	cur.setBlockFormat(fmt_paragraph);
	866	cur.insertText(tr("Variant #%1 Task").arg(spinVariant->value()), fmt_default);
	867	cur.insertBlock(fmt_paragraph);
	868	cur.insertText(tr("Task:"), fmt_default);
	869	outputMatrix(cur, matrix);
	870	if (dograph) {
	871	#ifdef _T_T_L_
	872	_b_ _i_ _z_ _a_ _r_ _r_ _e_
	873	#endif
	874	drawNode(pic, 0);
	875	}
	876	cur.insertHtml("<hr>");
	877	cur.insertBlock(fmt_paragraph);
	878	int imgpos = cur.position();
	879	cur.insertText(tr("Variant #%1 Solution").arg(spinVariant->value()), fmt_default);
	880	cur.endEditBlock();
	881
	882	SStep *step = root;
	883	int c = n = 1;
	884	pb->setFormat(tr("Generating step %v"));
	885	while ((step->next != SStep::NoNextStep) && (c < spinCities->value())) {
	886	if (pd.wasCanceled()) {
	887	pd.setLabelText(tr("Memory cleanup..."));
	888	pd.setMaximum(0);
	889	pd.setCancelButton(NULL);
	890	pd.show();
	891	QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
	892	#ifdef Q_WS_WIN32
	893	if (tl != NULL)
	894	tl->SetProgressState(winId(), TBPF_INDETERMINATE);
	895	#endif
	896	#ifndef QT_NO_CONCURRENT
	897	QFuture<void> f = QtConcurrent::run(&solver, &CTSPSolver::cleanup, false);
	898	while (!f.isFinished()) {
	899	QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
	900	}
	901	#else
	902	solver.cleanup(true);
	903	#endif
	904	solutionText->clear();
	905	toggleSolutionActions(false);
	906	#ifdef Q_WS_WIN32
	907	if (tl != NULL) {
	908	tl->SetProgressState(winId(), TBPF_NOPROGRESS);
	909	tl->Release();
	910	tl = NULL;
	911	}
	912	#endif
	913	return;
	914	}
	915	pd.setValue(n);
	916	#ifdef Q_WS_WIN32
	917	if (tl != NULL)
	918	tl->SetProgressValue(winId(), spinCities->value() + n, spinCities->value() + solver.getTotalSteps() + 1);
	919	#endif
	920
	921	cur.beginEditBlock();
	922	cur.insertBlock(fmt_paragraph);
	923	cur.insertText(tr("Step #%1").arg(n), fmt_default);
	924	if (settings->value("Output/ShowMatrix", DEF_SHOW_MATRIX).toBool() && (!settings->value("Output/UseShowMatrixLimit", DEF_USE_SHOW_MATRIX_LIMIT).toBool() \|\| (settings->value("Output/UseShowMatrixLimit", DEF_USE_SHOW_MATRIX_LIMIT).toBool() && (spinCities->value() <= settings->value("Output/ShowMatrixLimit", DEF_SHOW_MATRIX_LIMIT).toInt())))) {
	925	outputMatrix(cur, *step);
	926	}
	927	if (step->alts.empty())
	928	cur.insertBlock(fmt_lastparagraph);
	929	else
	930	cur.insertBlock(fmt_paragraph);
	931	cur.insertText(tr("Selected route %1 %2 part.").arg((step->next == SStep::RightBranch) ? tr("with") : tr("without")).arg(tr("(%1;%2)").arg(step->candidate.nRow + 1).arg(step->candidate.nCol + 1)), fmt_default);
	932	if (!step->alts.empty()) {
	933	SStep::SCandidate cand;
	934	QString alts;
	935	foreach(cand, step->alts) {
	936	if (!alts.isEmpty())
	937	alts += ", ";
	938	alts += tr("(%1;%2)").arg(cand.nRow + 1).arg(cand.nCol + 1);
	939	}
	940	cur.insertBlock(fmt_lastparagraph);
	941	cur.insertText(tr("%n alternate candidate(s) for branching: %1.", "", step->alts.count()).arg(alts), fmt_altlist);
	942	}
	943	cur.endEditBlock();
	944
	945	if (dograph) {
	946	if (step->prNode != NULL)
	947	drawNode(pic, n, false, step->prNode);
	948	if (step->plNode != NULL)
	949	drawNode(pic, n, true, step->plNode);
	950	}
	951	n++;
	952
	953	if (step->next == SStep::RightBranch) {
	954	c++;
	955	step = step->prNode;
	956	} else if (step->next == SStep::LeftBranch) {
	957	step = step->plNode;
	958	} else
	959	break;
	960	}
	961	pb->setFormat(tr("Generating footer"));
	962	pd.setValue(n);
	963	#ifdef Q_WS_WIN32
	964	if (tl != NULL)
	965	tl->SetProgressValue(winId(), spinCities->value() + n, spinCities->value() + solver.getTotalSteps() + 1);
	966	#endif
	967
	968	cur.beginEditBlock();
	969	cur.insertBlock(fmt_paragraph);
	970	if (solver.isOptimal())
	971	cur.insertText(tr("Optimal path:"), fmt_default);
	972	else
	973	cur.insertText(tr("Resulting path:"), fmt_default);
	974
	975	cur.insertBlock(fmt_paragraph);
	976	cur.insertText(" " + solver.getSortedPath(tr("City %1")));
	977
	978	if (solver.isOptimal())
	979	cur.insertBlock(fmt_paragraph);
	980	else
	981	cur.insertBlock(fmt_lastparagraph);
	982	if (isInteger(step->price))
	983	cur.insertHtml("<p>" + tr("The price is <b>%n</b> unit(s).", "", qRound(step->price)) + "</p>");
	984	else
	985	cur.insertHtml("<p>" + tr("The price is <b>%1</b> units.").arg(step->price, 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()) + "</p>");
	986	if (!solver.isOptimal()) {
	987	cur.insertBlock(fmt_paragraph);
	988	cur.insertHtml("<p>" + tr("<b>WARNING!!!</b><br>This result is a record, but it may not be optimal.<br>Iterations need to be continued to check whether this result is optimal or get an optimal one.") + "</p>");
	989	}
	990	cur.endEditBlock();
	991
	992	if (dograph) {
	993	pic.end();
	994
	995	QImage i(graph.width() + 2, graph.height() + 2, QImage::Format_RGB32);
	996	i.fill(0xFFFFFF);
	997	pic.begin(&i);
	998	pic.drawPicture(1, 1, graph);
	999	pic.end();
	1000	doc->addResource(QTextDocument::ImageResource, QUrl("tspsg://graph.pic"), i);
	1001
	1002	QTextImageFormat img;
	1003	img.setName("tspsg://graph.pic");
	1004	if (settings->value("Output/HQGraph", DEF_HQ_GRAPH).toBool()) {
	1005	img.setWidth(i.width() / HQ_FACTOR);
	1006	img.setHeight(i.height() / HQ_FACTOR);
	1007	} else {
	1008	img.setWidth(i.width());
	1009	img.setHeight(i.height());
	1010	}
	1011
	1012	cur.setPosition(imgpos);
	1013	cur.insertImage(img, QTextFrameFormat::FloatRight);
	1014	}
	1015
	1016	if (settings->value("Output/ScrollToEnd", DEF_SCROLL_TO_END).toBool()) {
	1017	// Scrolling to the end of the text.
	1018	solutionText->moveCursor(QTextCursor::End);
	1019	} else
	1020	solutionText->moveCursor(QTextCursor::Start);
	1021
	1022	pd.setLabelText(tr("Memory cleanup..."));
	1023	pd.setMaximum(0);
	1024	pd.setCancelButton(NULL);
	1025	QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
	1026	#ifdef Q_WS_WIN32
	1027	if (tl != NULL)
	1028	tl->SetProgressState(winId(), TBPF_INDETERMINATE);
	1029	#endif
	1030	#ifndef QT_NO_CONCURRENT
	1031	QFuture<void> f = QtConcurrent::run(&solver, &CTSPSolver::cleanup, false);
	1032	while (!f.isFinished()) {
	1033	QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
	1034	}
	1035	#else
	1036	solver.cleanup(true);
	1037	#endif
	1038	toggleSolutionActions();
	1039	tabWidget->setCurrentIndex(1);
	1040	#ifdef Q_WS_WIN32
	1041	if (tl != NULL) {
	1042	tl->SetProgressState(winId(), TBPF_NOPROGRESS);
	1043	tl->Release();
	1044	tl = NULL;
	1045	}
	1046	#endif
	1047
	1048	pd.reset();
	1049	QApplication::alert(this, 3000);
	1050	}
	1051
	1052	void MainWindow::dataChanged()
	1053	{
	1054	setWindowModified(true);
	1055	}
	1056
	1057	void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br)
	1058	{
	1059	setWindowModified(true);
	1060	if (settings->value("Autosize", DEF_AUTOSIZE).toBool()) {
	1061	for (int k = tl.row(); k <= br.row(); k++)
	1062	taskView->resizeRowToContents(k);
	1063	for (int k = tl.column(); k <= br.column(); k++)
	1064	taskView->resizeColumnToContents(k);
	1065	}
	1066	}
	1067
	1068	#ifdef Q_WS_WINCE_WM
	1069	void MainWindow::changeEvent(QEvent *ev)
	1070	{
	1071	if ((ev->type() == QEvent::ActivationChange) && isActiveWindow())
	1072	desktopResized(0);
	1073
	1074	QWidget::changeEvent(ev);
	1075	}
	1076
	1077	void MainWindow::desktopResized(int screen)
	1078	{
	1079	if ((screen != 0) \|\| !isActiveWindow())
	1080	return;
	1081
	1082	QRect availableGeometry = QApplication::desktop()->availableGeometry(0);
	1083	if (currentGeometry != availableGeometry) {
	1084	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	1085	/*!
	1086	* \hack HACK: This hack checks whether \link QDesktopWidget::availableGeometry() availableGeometry()\endlink's \c top + \c hegiht = \link QDesktopWidget::screenGeometry() screenGeometry()\endlink's \c height.
	1087	* If \c true, the window gets maximized. If we used \c setGeometry() in this case, the bottom of the
	1088	* window would end up being behind the soft buttons. Is this a bug in Qt or Windows Mobile?
	1089	*/
	1090	if ((availableGeometry.top() + availableGeometry.height()) == QApplication::desktop()->screenGeometry().height()) {
	1091	setWindowState(windowState() \| Qt::WindowMaximized);
	1092	} else {
	1093	if (windowState() & Qt::WindowMaximized)
	1094	setWindowState(windowState() ^ Qt::WindowMaximized);
	1095	setGeometry(availableGeometry);
	1096	}
	1097	currentGeometry = availableGeometry;
	1098	QApplication::restoreOverrideCursor();
	1099	}
	1100	}
	1101	#endif // Q_WS_WINCE_WM
	1102
	1103	void MainWindow::numCitiesChanged(int nCities)
	1104	{
	1105	blockSignals(true);
	1106	spinCities->setValue(nCities);
	1107	blockSignals(false);
	1108	}
	1109
	1110	#ifndef QT_NO_PRINTER
	1111	void MainWindow::printPreview(QPrinter *printer)
	1112	{
	1113	solutionText->print(printer);
	1114	}
	1115	#endif // QT_NO_PRINTER
	1116
	1117	#ifdef Q_WS_WIN32
	1118	void MainWindow::solverRoutePartFound(int n)
	1119	{
	1120	tl->SetProgressValue(winId(), n, spinCities->value() * 2);
	1121	}
	1122	#endif // Q_WS_WIN32
	1123
	1124	void MainWindow::spinCitiesValueChanged(int n)
	1125	{
	1126	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	1127	int count = tspmodel->numCities();
	1128	tspmodel->setNumCities(n);
	1129	if ((n > count) && settings->value("Autosize", DEF_AUTOSIZE).toBool())
	1130	for (int k = count; k < n; k++) {
	1131	taskView->resizeColumnToContents(k);
	1132	taskView->resizeRowToContents(k);
	1133	}
	1134	QApplication::restoreOverrideCursor();
	1135	}
	1136
	1137	void MainWindow::check4Updates(bool silent)
	1138	{
	1139	#ifdef Q_WS_WIN32
	1140	if (silent)
	1141	QProcess::startDetached("updater/Update.exe -name=\"TSPSG: TSP Solver and Generator\" -check=\"freeupdate\" -silentcheck");
	1142	else {
	1143	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	1144	QProcess::execute("updater/Update.exe -name=\"TSPSG: TSP Solver and Generator\" -check=\"freeupdate\"");
	1145	QApplication::restoreOverrideCursor();
	1146	}
	1147	#else
	1148	Q_UNUSED(silent)
	1149	#endif
	1150	settings->setValue("Check4Updates/LastAttempt", QDate::currentDate().toString(Qt::ISODate));
	1151	}
	1152
	1153	void MainWindow::closeEvent(QCloseEvent *ev)
	1154	{
	1155	if (!maybeSave()) {
	1156	ev->ignore();
	1157	return;
	1158	}
	1159	if (!settings->value("SettingsReset", false).toBool()) {
	1160	settings->setValue("NumCities", spinCities->value());
	1161
	1162	// Saving Main Window state
	1163	#ifndef HANDHELD
	1164	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
	1165	settings->beginGroup("MainWindow");
	1166	settings->setValue("Geometry", saveGeometry());
	1167	settings->setValue("State", saveState());
	1168	settings->setValue("Toolbars", toolBarManager->saveState());
	1169	settings->endGroup();
	1170	}
	1171	#else
	1172	settings->setValue("MainWindow/ToolbarVisible", toolBarMain->isVisible());
	1173	#endif // HANDHELD
	1174	} else {
	1175	settings->remove("SettingsReset");
	1176	}
	1177
	1178	QMainWindow::closeEvent(ev);
	1179	}
	1180
	1181	void MainWindow::dragEnterEvent(QDragEnterEvent *ev)
	1182	{
	1183	if (ev->mimeData()->hasUrls() && (ev->mimeData()->urls().count() == 1)) {
	1184	QFileInfo fi(ev->mimeData()->urls().first().toLocalFile());
	1185	if ((fi.suffix() == "tspt") \|\| (fi.suffix() == "zkt"))
	1186	ev->acceptProposedAction();
	1187	}
	1188	}
	1189
	1190	void MainWindow::drawNode(QPainter &pic, int nstep, bool left, SStep *step)
	1191	{
	1192	qreal r; // Radius of graph node
	1193	// We calculate r from the full graph width in centimeters:
	1194	// r = width in pixels / 4.5.
	1195	// width in pixels = DPI * width in inches.
	1196	// width in inches = width in cm / cm in inch.
	1197	r = logicalDpiX() * (settings->value("Output/GraphWidth", DEF_GRAPH_WIDTH).toReal() / CM_IN_INCH) / 4.5;
	1198	if (settings->value("Output/HQGraph", DEF_HQ_GRAPH).toBool())
	1199	r *= HQ_FACTOR;
	1200	#ifdef Q_WS_S60
	1201	/*! \hack HACK: Solution graph on Symbian is visually larger than on
	1202	* Windows Mobile. This coefficient makes it about the same size.
	1203	*/
	1204	r /= 1.3;
	1205	#endif
	1206
	1207	qreal x, y;
	1208	if (step != NULL)
	1209	x = left ? r : r * 3.5;
	1210	else
	1211	x = r * 2.25;
	1212	y = r * (3 * nstep + 1);
	1213
	1214	#ifdef _T_T_L_
	1215	if (nstep == -481124) {
	1216	_t_t_l_(pic, r, x);
	1217	return;
	1218	}
	1219	#endif
	1220
	1221	pic.drawEllipse(QPointF(x, y), r, r);
	1222
	1223	if (step != NULL) {
	1224	QFont font;
	1225	if (left) {
	1226	font = pic.font();
	1227	font.setStrikeOut(true);
	1228	pic.setFont(font);
	1229	}
	1230	pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, tr("(%1;%2)").arg(step->pNode->candidate.nRow + 1).arg(step->pNode->candidate.nCol + 1) + "\n");
	1231	if (left) {
	1232	font.setStrikeOut(false);
	1233	pic.setFont(font);
	1234	}
	1235	if (step->price != INFINITY) {
	1236	pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, isInteger(step->price) ? QString("\n%1").arg(step->price) : QString("\n%1").arg(step->price, 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()));
	1237	} else {
	1238	pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, "\n"INFSTR);
	1239	}
	1240	} else {
	1241	pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, tr("Root"));
	1242	}
	1243
	1244	if (nstep == 1) {
	1245	pic.drawLine(QPointF(x, y - r), QPointF(r * 2.25, y - 2 * r));
	1246	} else if (nstep > 1) {
	1247	pic.drawLine(QPointF(x, y - r), QPointF((step->pNode->pNode->next == SStep::RightBranch) ? r * 3.5 : r, y - 2 * r));
	1248	}
	1249
	1250	}
	1251
	1252	void MainWindow::dropEvent(QDropEvent *ev)
	1253	{
	1254	if (maybeSave() && tspmodel->loadTask(ev->mimeData()->urls().first().toLocalFile())) {
	1255	setFileName(ev->mimeData()->urls().first().toLocalFile());
	1256	tabWidget->setCurrentIndex(0);
	1257	setWindowModified(false);
	1258	solutionText->clear();
	1259	toggleSolutionActions(false);
	1260
	1261	ev->setDropAction(Qt::CopyAction);
	1262	ev->accept();
	1263	}
	1264	}
	1265
	1266	void MainWindow::initDocStyleSheet()
	1267	{
	1268	solutionText->document()->setDefaultFont(qvariant_cast<QFont>(settings->value("Output/Font", QFont(DEF_FONT_FACE, DEF_FONT_SIZE))));
	1269
	1270	fmt_paragraph.setTopMargin(5);
	1271	fmt_paragraph.setRightMargin(10);
	1272	fmt_paragraph.setBottomMargin(0);
	1273	fmt_paragraph.setLeftMargin(10);
	1274
	1275	fmt_lastparagraph.setTopMargin(5);
	1276	fmt_lastparagraph.setRightMargin(10);
	1277	fmt_lastparagraph.setBottomMargin(15);
	1278	fmt_lastparagraph.setLeftMargin(10);
	1279
	1280	fmt_table.setTopMargin(5);
	1281	fmt_table.setRightMargin(10);
	1282	fmt_table.setBottomMargin(0);
	1283	fmt_table.setLeftMargin(10);
	1284	fmt_table.setBorder(0);
	1285	fmt_table.setBorderStyle(QTextFrameFormat::BorderStyle_None);
	1286	fmt_table.setCellSpacing(5);
	1287
	1288	fmt_cell.setAlignment(Qt::AlignHCenter);
	1289
	1290	settings->beginGroup("Output/Colors");
	1291
	1292	QColor color = qvariant_cast<QColor>(settings->value("Text", DEF_TEXT_COLOR));
	1293	QColor hilight;
	1294	if (color.value() < 192)
	1295	hilight.setHsv(color.hue(), color.saturation(), 127 + qRound(color.value() / 2));
	1296	else
	1297	hilight.setHsv(color.hue(), color.saturation(), color.value() / 2);
	1298
	1299	solutionText->document()->setDefaultStyleSheet(QString("* {color: %1;}").arg(color.name()));
	1300	fmt_default.setForeground(QBrush(color));
	1301
	1302	fmt_selected.setForeground(QBrush(qvariant_cast<QColor>(settings->value("Selected", DEF_SELECTED_COLOR))));
	1303	fmt_selected.setFontWeight(QFont::Bold);
	1304
	1305	fmt_alternate.setForeground(QBrush(qvariant_cast<QColor>(settings->value("Alternate", DEF_ALTERNATE_COLOR))));
	1306	fmt_alternate.setFontWeight(QFont::Bold);
	1307	fmt_altlist.setForeground(QBrush(hilight));
	1308
	1309	settings->endGroup();
	1310
	1311	solutionText->setTextColor(color);
	1312	}
	1313
	1314	void MainWindow::loadLangList()
	1315	{
	1316	QMap<QString, QStringList> langlist;
	1317	QFileInfoList langs;
	1318	QFileInfo lang;
	1319	QStringList language, dirs;
	1320	QTranslator t;
	1321	QDir dir;
	1322	dir.setFilter(QDir::Files);
	1323	dir.setNameFilters(QStringList("tspsg_*.qm"));
	1324	dir.setSorting(QDir::NoSort);
	1325
	1326	dirs << PATH_L10N << ":/l10n";
	1327	foreach (QString dirname, dirs) {
	1328	dir.setPath(dirname);
	1329	if (dir.exists()) {
	1330	langs = dir.entryInfoList();
	1331	for (int k = 0; k < langs.size(); k++) {
	1332	lang = langs.at(k);
	1333	if (lang.completeBaseName().compare("tspsg_en", Qt::CaseInsensitive) && !langlist.contains(lang.completeBaseName().mid(6)) && t.load(lang.completeBaseName(), dirname)) {
	1334
	1335	language.clear();
	1336	language.append(lang.completeBaseName().mid(6));
	1337	language.append(t.translate("--------", "COUNTRY", "Please, provide an ISO 3166-1 alpha-2 country code for this translation language here (eg., UA).").toLower());
	1338	language.append(t.translate("--------", "LANGNAME", "Please, provide a native name of your translation language here."));
	1339	language.append(t.translate("MainWindow", "Set application language to %1", "").arg(language.at(2)));
	1340
	1341	langlist.insert(language.at(0), language);
	1342	}
	1343	}
	1344	}
	1345	}
	1346
	1347	QAction *a;
	1348	foreach (language, langlist) {
	1349	a = menuSettingsLanguage->addAction(language.at(2));
	1350	#ifndef QT_NO_STATUSTIP
	1351	a->setStatusTip(language.at(3));
	1352	#endif
	1353	#if QT_VERSION >= 0x040600
	1354	a->setIcon(QIcon::fromTheme(QString("flag-%1").arg(language.at(1)), QIcon(QString(":/images/icons/l10n/flag-%1.png").arg(language.at(1)))));
	1355	#else
	1356	a->setIcon(QIcon(QString(":/images/icons/l10n/flag-%1.png").arg(language.at(1))));
	1357	#endif
	1358	a->setData(language.at(0));
	1359	a->setCheckable(true);
	1360	a->setActionGroup(groupSettingsLanguageList);
	1361	if (settings->value("Language", QLocale::system().name()).toString().startsWith(language.at(0)))
	1362	a->setChecked(true);
	1363	}
	1364	}
	1365
	1366	bool MainWindow::loadLanguage(const QString &lang)
	1367	{
	1368	// i18n
	1369	bool ad = false;
	1370	QString lng = lang;
	1371	if (lng.isEmpty()) {
	1372	ad = settings->value("Language").toString().isEmpty();
	1373	lng = settings->value("Language", QLocale::system().name()).toString();
	1374	}
	1375	static QTranslator *qtTranslator; // Qt library translator
	1376	if (qtTranslator) {
	1377	qApp->removeTranslator(qtTranslator);
	1378	delete qtTranslator;
	1379	qtTranslator = NULL;
	1380	}
	1381	static QTranslator *translator; // Application translator
	1382	if (translator) {
	1383	qApp->removeTranslator(translator);
	1384	delete translator;
	1385	translator = NULL;
	1386	}
	1387
	1388	if (lng == "en")
	1389	return true;
	1390
	1391	// Trying to load system Qt library translation...
	1392	qtTranslator = new QTranslator(this);
	1393	if (qtTranslator->load("qt_" + lng, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
	1394	qApp->installTranslator(qtTranslator);
	1395	else {
	1396	// No luck. Let's try to load a bundled one.
	1397	if (qtTranslator->load("qt_" + lng, PATH_L10N)) {
	1398	// We have a translation in the localization direcotry.
	1399	qApp->installTranslator(qtTranslator);
	1400	} else if (qtTranslator->load("qt_" + lng, ":/l10n")) {
	1401	// We have a translation "built-in" into application resources.
	1402	qApp->installTranslator(qtTranslator);
	1403	} else {
	1404	// Qt library translation unavailable for this language.
	1405	delete qtTranslator;
	1406	qtTranslator = NULL;
	1407	}
	1408	}
	1409
	1410	// Now let's load application translation.
	1411	translator = new QTranslator(this);
	1412	if (translator->load("tspsg_" + lng, PATH_L10N)) {
	1413	// We have a translation in the localization directory.
	1414	qApp->installTranslator(translator);
	1415	} else if (translator->load("tspsg_" + lng, ":/l10n")) {
	1416	// We have a translation "built-in" into application resources.
	1417	qApp->installTranslator(translator);
	1418	} else {
	1419	delete translator;
	1420	translator = NULL;
	1421	if (!ad) {
	1422	settings->remove("Language");
	1423	QApplication::setOverrideCursor(QCursor(Qt::ArrowCursor));
	1424	QMessageBox::warning(isVisible() ? this : NULL, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
	1425	QApplication::restoreOverrideCursor();
	1426	}
	1427	return false;
	1428	}
	1429	return true;
	1430	}
	1431
	1432	void MainWindow::loadStyleList()
	1433	{
	1434	menuSettingsStyle->clear();
	1435	QStringList styles = QStyleFactory::keys();
	1436	menuSettingsStyle->insertAction(NULL, actionSettingsStyleSystem);
	1437	actionSettingsStyleSystem->setChecked(!settings->contains("Style"));
	1438	menuSettingsStyle->addSeparator();
	1439	QAction *a;
	1440	foreach (QString style, styles) {
	1441	a = menuSettingsStyle->addAction(style);
	1442	a->setData(false);
	1443	#ifndef QT_NO_STATUSTIP
	1444	a->setStatusTip(tr("Set application style to %1").arg(style));
	1445	#endif
	1446	a->setCheckable(true);
	1447	a->setActionGroup(groupSettingsStyleList);
	1448	if ((style == settings->value("Stlye").toString())
	1449	#ifndef Q_WS_MAEMO_5
	1450	\|\| QString(QApplication::style()->metaObject()->className()).contains(QRegExp(QString("^Q?%1(Style)?$").arg(QRegExp::escape(style)), Qt::CaseInsensitive))
	1451	#endif
	1452	) {
	1453	a->setChecked(true);
	1454	}
	1455	}
	1456	}
	1457
	1458	void MainWindow::loadToolbarList()
	1459	{
	1460	menuSettingsToolbars->clear();
	1461	#ifndef HANDHELD
	1462	menuSettingsToolbars->insertAction(NULL, actionSettingsToolbarsConfigure);
	1463	menuSettingsToolbars->addSeparator();
	1464	QList<QToolBar *> list = toolBarManager->toolBars();
	1465	foreach (QToolBar *t, list) {
	1466	menuSettingsToolbars->insertAction(NULL, t->toggleViewAction());
	1467	}
	1468	#else // HANDHELD
	1469	menuSettingsToolbars->insertAction(NULL, toolBarMain->toggleViewAction());
	1470	#endif // HANDHELD
	1471	}
	1472
	1473	bool MainWindow::maybeSave()
	1474	{
	1475	if (!isWindowModified())
	1476	return true;
	1477	#ifdef Q_WS_S60
	1478	int res = QSMessageBox(this).exec();
	1479	#else
	1480	int res = QMessageBox::warning(this, tr("Unsaved Changes"), tr("Would you like to save changes in the current task?"), QMessageBox::Save \| QMessageBox::Discard \| QMessageBox::Cancel);
	1481	#endif
	1482	if (res == QMessageBox::Save)
	1483	return actionFileSaveTriggered();
	1484	else if (res == QMessageBox::Cancel)
	1485	return false;
	1486	else
	1487	return true;
	1488	}
	1489
	1490	void MainWindow::outputMatrix(QTextCursor &cur, const TMatrix &matrix)
	1491	{
	1492	int n = spinCities->value();
	1493	QTextTable *table = cur.insertTable(n, n, fmt_table);
	1494
	1495	for (int r = 0; r < n; r++) {
	1496	for (int c = 0; c < n; c++) {
	1497	cur = table->cellAt(r, c).firstCursorPosition();
	1498	cur.setBlockFormat(fmt_cell);
	1499	cur.setBlockCharFormat(fmt_default);
	1500	if (matrix.at(r).at(c) == INFINITY)
	1501	cur.insertText(INFSTR);
	1502	else
	1503	cur.insertText(isInteger(matrix.at(r).at(c)) ? QString("%1").arg(matrix.at(r).at(c)) : QString("%1").arg(matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()));
	1504	}
	1505	QCoreApplication::processEvents();
	1506	}
	1507	cur.movePosition(QTextCursor::End);
	1508	}
	1509
	1510	void MainWindow::outputMatrix(QTextCursor &cur, const SStep &step)
	1511	{
	1512	int n = spinCities->value();
	1513	QTextTable *table = cur.insertTable(n, n, fmt_table);
	1514
	1515	for (int r = 0; r < n; r++) {
	1516	for (int c = 0; c < n; c++) {
	1517	cur = table->cellAt(r, c).firstCursorPosition();
	1518	cur.setBlockFormat(fmt_cell);
	1519	if (step.matrix.at(r).at(c) == INFINITY)
	1520	cur.insertText(INFSTR, fmt_default);
	1521	else if ((r == step.candidate.nRow) && (c == step.candidate.nCol))
	1522	cur.insertText(isInteger(step.matrix.at(r).at(c)) ? QString("%1").arg(step.matrix.at(r).at(c)) : QString("%1").arg(step.matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()), fmt_selected);
	1523	else {
	1524	SStep::SCandidate cand;
	1525	cand.nRow = r;
	1526	cand.nCol = c;
	1527	if (step.alts.contains(cand))
	1528	cur.insertText(isInteger(step.matrix.at(r).at(c)) ? QString("%1").arg(step.matrix.at(r).at(c)) : QString("%1").arg(step.matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()), fmt_alternate);
	1529	else
	1530	cur.insertText(isInteger(step.matrix.at(r).at(c)) ? QString("%1").arg(step.matrix.at(r).at(c)) : QString("%1").arg(step.matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()), fmt_default);
	1531	}
	1532	}
	1533	QCoreApplication::processEvents();
	1534	}
	1535
	1536	cur.movePosition(QTextCursor::End);
	1537	}
	1538
	1539	void MainWindow::retranslateUi(bool all)
	1540	{
	1541	if (all)
	1542	Ui_MainWindow::retranslateUi(this);
	1543
	1544	loadStyleList();
	1545	loadToolbarList();
	1546
	1547	#ifndef QT_NO_PRINTER
	1548	actionFilePrintPreview->setText(tr("P&rint Preview..."));
	1549	#ifndef QT_NO_TOOLTIP
	1550	actionFilePrintPreview->setToolTip(tr("Preview solution results"));
	1551	#endif // QT_NO_TOOLTIP
	1552	#ifndef QT_NO_STATUSTIP
	1553	actionFilePrintPreview->setStatusTip(tr("Preview current solution results before printing"));
	1554	#endif // QT_NO_STATUSTIP
	1555
	1556	actionFilePageSetup->setText(tr("Pa&ge Setup..."));
	1557	#ifndef QT_NO_TOOLTIP
	1558	actionFilePageSetup->setToolTip(tr("Setup print options"));
	1559	#endif // QT_NO_TOOLTIP
	1560	#ifndef QT_NO_STATUSTIP
	1561	actionFilePageSetup->setStatusTip(tr("Setup page-related options for printing"));
	1562	#endif // QT_NO_STATUSTIP
	1563
	1564	actionFilePrint->setText(tr("&Print..."));
	1565	#ifndef QT_NO_TOOLTIP
	1566	actionFilePrint->setToolTip(tr("Print solution"));
	1567	#endif // QT_NO_TOOLTIP
	1568	#ifndef QT_NO_STATUSTIP
	1569	actionFilePrint->setStatusTip(tr("Print current solution results"));
	1570	#endif // QT_NO_STATUSTIP
	1571	actionFilePrint->setShortcut(tr("Ctrl+P"));
	1572	#endif // QT_NO_PRINTER
	1573
	1574	#ifndef QT_NO_STATUSTIP
	1575	actionFileExit->setStatusTip(tr("Exit %1").arg(QCoreApplication::applicationName()));
	1576	#endif // QT_NO_STATUSTIP
	1577
	1578	#ifndef HANDHELD
	1579	actionSettingsToolbarsConfigure->setText(tr("Configure..."));
	1580	#ifndef QT_NO_STATUSTIP
	1581	actionSettingsToolbarsConfigure->setStatusTip(tr("Customize toolbars"));
	1582	#endif // QT_NO_STATUSTIP
	1583	#endif // HANDHELD
	1584
	1585	#ifndef QT_NO_STATUSTIP
	1586	actionHelpReportBug->setStatusTip(tr("Report about a bug in %1").arg(QCoreApplication::applicationName()));
	1587	#endif // QT_NO_STATUSTIP
	1588	if (actionHelpCheck4Updates != NULL) {
	1589	actionHelpCheck4Updates->setText(tr("Check for &Updates..."));
	1590	#ifndef QT_NO_STATUSTIP
	1591	actionHelpCheck4Updates->setStatusTip(tr("Check for %1 updates").arg(QCoreApplication::applicationName()));
	1592	#endif // QT_NO_STATUSTIP
	1593	}
	1594	#ifndef QT_NO_STATUSTIP
	1595	actionHelpAbout->setStatusTip(tr("About %1").arg(QCoreApplication::applicationName()));
	1596	#endif // QT_NO_STATUSTIP
	1597
	1598	#ifdef Q_WS_S60
	1599	actionRightSoftKey->setText(tr("E&xit"));
	1600	#endif
	1601	}
	1602
	1603	bool MainWindow::saveTask() {
	1604	QStringList filters(tr("%1 Task File").arg("TSPSG") + " (*.tspt)");
	1605	filters.append(tr("All Files") + " (*)");
	1606	QString file;
	1607	if ((fileName == tr("Untitled") + ".tspt") && settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool()) {
	1608	file = settings->value(OS"/LastUsed/TaskSavePath").toString();
	1609	if (!file.isEmpty())
	1610	file.append("/");
	1611	file.append(fileName);
	1612	} else if (fileName.endsWith(".tspt", Qt::CaseInsensitive))
	1613	file = fileName;
	1614	else
	1615	file = QFileInfo(fileName).path() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt";
	1616
	1617	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
	1618	file = QFileDialog::getSaveFileName(this, tr("Task Save"), file, filters.join(";;"), NULL, opts);
	1619	if (file.isEmpty())
	1620	return false;
	1621	else if (settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool())
	1622	settings->setValue(OS"/LastUsed/TaskSavePath", QFileInfo(file).path());
	1623	if (QFileInfo(file).suffix().isEmpty()) {
	1624	file.append(".tspt");
	1625	}
	1626
	1627	if (tspmodel->saveTask(file)) {
	1628	setFileName(file);
	1629	setWindowModified(false);
	1630	return true;
	1631	}
	1632	return false;
	1633	}
	1634
	1635	void MainWindow::setFileName(const QString &fileName)
	1636	{
	1637	this->fileName = fileName;
	1638	setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(QCoreApplication::applicationName()));
	1639	}
	1640
	1641	void MainWindow::setupUi()
	1642	{
	1643	Ui_MainWindow::setupUi(this);
	1644
	1645	// File Menu
	1646	actionFileNew->setIcon(GET_ICON("document-new"));
	1647	actionFileOpen->setIcon(GET_ICON("document-open"));
	1648	actionFileSave->setIcon(GET_ICON("document-save"));
	1649	#ifndef HANDHELD
	1650	menuFileSaveAs->setIcon(GET_ICON("document-save-as"));
	1651	#endif
	1652	actionFileExit->setIcon(GET_ICON("application-exit"));
	1653	// Settings Menu
	1654	#ifndef HANDHELD
	1655	menuSettingsLanguage->setIcon(GET_ICON("preferences-desktop-locale"));
	1656	#if QT_VERSION >= 0x040600
	1657	actionSettingsLanguageEnglish->setIcon(QIcon::fromTheme("flag-gb", QIcon(":/images/icons/l10n/flag-gb.png")));
	1658	#else // QT_VERSION >= 0x040600
	1659	actionSettingsLanguageEnglish->setIcon(QIcon(":/images/icons/l10n/flag-gb.png"));
	1660	#endif // QT_VERSION >= 0x040600
	1661	menuSettingsStyle->setIcon(GET_ICON("preferences-desktop-theme"));
	1662	#endif // HANDHELD
	1663	actionSettingsPreferences->setIcon(GET_ICON("preferences-system"));
	1664	// Help Menu
	1665	#ifndef HANDHELD
	1666	actionHelpContents->setIcon(GET_ICON("help-contents"));
	1667	actionHelpContextual->setIcon(GET_ICON("help-contextual"));
	1668	actionHelpOnlineSupport->setIcon(GET_ICON("applications-internet"));
	1669	actionHelpReportBug->setIcon(GET_ICON("tools-report-bug"));
	1670	actionHelpAbout->setIcon(GET_ICON("help-about"));
	1671	actionHelpAboutQt->setIcon(QIcon(":/trolltech/qmessagebox/images/qtlogo-64.png"));
	1672	#endif
	1673	// Buttons
	1674	buttonRandom->setIcon(GET_ICON("roll"));
	1675	buttonSolve->setIcon(GET_ICON("dialog-ok"));
	1676	buttonSaveSolution->setIcon(GET_ICON("document-save-as"));
	1677	buttonBackToTask->setIcon(GET_ICON("go-previous"));
	1678
	1679	// action->setIcon(GET_ICON(""));
	1680
	1681	#if QT_VERSION >= 0x040600
	1682	setToolButtonStyle(Qt::ToolButtonFollowStyle);
	1683	#endif
	1684
	1685	#ifndef HANDHELD
	1686	QStatusBar *statusbar = new QStatusBar(this);
	1687	statusbar->setObjectName("statusbar");
	1688	setStatusBar(statusbar);
	1689	#endif // HANDHELD
	1690
	1691	#ifdef Q_WS_WINCE_WM
	1692	menuBar()->setDefaultAction(menuFile->menuAction());
	1693
	1694	QScrollArea *scrollArea = new QScrollArea(this);
	1695	scrollArea->setFrameShape(QFrame::NoFrame);
	1696	scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
	1697	scrollArea->setWidgetResizable(true);
	1698	scrollArea->setWidget(tabWidget);
	1699	setCentralWidget(scrollArea);
	1700	#else
	1701	setCentralWidget(tabWidget);
	1702	#endif // Q_WS_WINCE_WM
	1703
	1704	//! \hack HACK: A little hack for toolbar icons to have a sane size.
	1705	#if defined(HANDHELD) && !defined(Q_WS_MAEMO_5)
	1706	#ifdef Q_WS_S60
	1707	toolBarMain->setIconSize(QSize(logicalDpiX() / 5.2, logicalDpiY() / 5.2));
	1708	#else
	1709	toolBarMain->setIconSize(QSize(logicalDpiX() / 4, logicalDpiY() / 4));
	1710	#endif // Q_WS_S60
	1711	#endif // HANDHELD && !Q_WS_MAEMO_5
	1712	QToolButton tb = static_cast<QToolButton >(toolBarMain->widgetForAction(actionFileSave));
	1713	if (tb != NULL) {
	1714	tb->setMenu(menuFileSaveAs);
	1715	tb->setPopupMode(QToolButton::MenuButtonPopup);
	1716	}
	1717
	1718	// solutionText->document()->setDefaultFont(settings->value("Output/Font", QFont(DEF_FONT_FAMILY, DEF_FONT_SIZE)).value<QFont>());
	1719	solutionText->setWordWrapMode(QTextOption::WordWrap);
	1720
	1721	#ifndef QT_NO_PRINTER
	1722	actionFilePrintPreview = new QAction(this);
	1723	actionFilePrintPreview->setObjectName("actionFilePrintPreview");
	1724	actionFilePrintPreview->setEnabled(false);
	1725	actionFilePrintPreview->setIcon(GET_ICON("document-print-preview"));
	1726
	1727	actionFilePageSetup = new QAction(this);
	1728	actionFilePageSetup->setObjectName("actionFilePrintSetup");
	1729	// actionFilePageSetup->setEnabled(false);
	1730	#if QT_VERSION >= 0x040600
	1731	actionFilePageSetup->setIcon(QIcon::fromTheme("document-page-setup", QIcon(":/trolltech/dialogs/qprintpreviewdialog/images/page-setup-32.png")));
	1732	#else
	1733	actionFilePageSetup->setIcon(QIcon(":/trolltech/dialogs/qprintpreviewdialog/images/page-setup-32.png"));
	1734	#endif
	1735
	1736	actionFilePrint = new QAction(this);
	1737	actionFilePrint->setObjectName("actionFilePrint");
	1738	actionFilePrint->setEnabled(false);
	1739	actionFilePrint->setIcon(GET_ICON("document-print"));
	1740
	1741	menuFile->insertAction(actionFileExit, actionFilePrintPreview);
	1742	menuFile->insertAction(actionFileExit, actionFilePageSetup);
	1743	menuFile->insertAction(actionFileExit, actionFilePrint);
	1744	menuFile->insertSeparator(actionFileExit);
	1745
	1746	toolBarMain->insertAction(actionSettingsPreferences, actionFilePrint);
	1747	#endif // QT_NO_PRINTER
	1748
	1749	groupSettingsLanguageList = new QActionGroup(this);
	1750	#ifdef Q_WS_MAEMO_5
	1751	groupSettingsLanguageList->addAction(actionSettingsLanguageAutodetect);
	1752	#endif
	1753	actionSettingsLanguageEnglish->setData("en");
	1754	actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
	1755	loadLangList();
	1756	actionSettingsLanguageAutodetect->setChecked(settings->value("Language", "").toString().isEmpty());
	1757
	1758	actionSettingsStyleSystem->setData(true);
	1759	groupSettingsStyleList = new QActionGroup(this);
	1760	#ifdef Q_WS_MAEMO_5
	1761	groupSettingsStyleList->addAction(actionSettingsStyleSystem);
	1762	#endif
	1763
	1764	#ifndef HANDHELD
	1765	actionSettingsToolbarsConfigure = new QAction(this);
	1766	actionSettingsToolbarsConfigure->setIcon(GET_ICON("configure-toolbars"));
	1767	#endif // HANDHELD
	1768
	1769	if (hasUpdater()) {
	1770	actionHelpCheck4Updates = new QAction(this);
	1771	actionHelpCheck4Updates->setIcon(GET_ICON("system-software-update"));
	1772	actionHelpCheck4Updates->setEnabled(hasUpdater());
	1773	menuHelp->insertAction(actionHelpAboutQt, actionHelpCheck4Updates);
	1774	menuHelp->insertSeparator(actionHelpAboutQt);
	1775	} else
	1776	actionHelpCheck4Updates = NULL;
	1777
	1778	spinCities->setMaximum(MAX_NUM_CITIES);
	1779
	1780	#ifndef HANDHELD
	1781	toolBarManager = new QtToolBarManager(this);
	1782	toolBarManager->setMainWindow(this);
	1783	QString cat = toolBarMain->windowTitle();
	1784	toolBarManager->addToolBar(toolBarMain, cat);
	1785	#ifndef QT_NO_PRINTER
	1786	toolBarManager->addAction(actionFilePrintPreview, cat);
	1787	toolBarManager->addAction(actionFilePageSetup, cat);
	1788	#endif // QT_NO_PRINTER
	1789	toolBarManager->addAction(actionHelpContents, cat);
	1790	toolBarManager->addAction(actionHelpContextual, cat);
	1791	toolBarManager->restoreState(settings->value("MainWindow/Toolbars").toByteArray());
	1792	#else
	1793	toolBarMain->setVisible(settings->value("MainWindow/ToolbarVisible", true).toBool());
	1794	#endif // HANDHELD
	1795
	1796	#ifdef Q_WS_S60
	1797	// Replace Exit on the right soft key with our own exit action.
	1798	// This makes it translatable.
	1799	actionRightSoftKey = new QAction(this);
	1800	actionRightSoftKey->setSoftKeyRole(QAction::NegativeSoftKey);
	1801	connect(actionRightSoftKey, SIGNAL(triggered()), SLOT(close()));
	1802	addAction(actionRightSoftKey);
	1803	#endif
	1804
	1805	retranslateUi(false);
	1806
	1807	#ifndef HANDHELD
	1808	// Adding some eyecandy
	1809	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
	1810	toggleTranclucency(true);
	1811	}
	1812	#endif // HANDHELD
	1813	}
	1814
	1815	void MainWindow::toggleSolutionActions(bool enable)
	1816	{
	1817	buttonSaveSolution->setEnabled(enable);
	1818	actionFileSaveAsSolution->setEnabled(enable);
	1819	solutionText->setEnabled(enable);
	1820	#ifndef QT_NO_PRINTER
	1821	actionFilePrint->setEnabled(enable);
	1822	actionFilePrintPreview->setEnabled(enable);
	1823	#endif // QT_NO_PRINTER
	1824	}
	1825
	1826	void MainWindow::toggleTranclucency(bool enable)
	1827	{
	1828	#ifndef HANDHELD
	1829	toggleStyle(labelVariant, enable);
	1830	toggleStyle(labelCities, enable);
	1831	toggleStyle(statusBar(), enable);
	1832	tabWidget->setDocumentMode(enable);
	1833	QtWin::enableBlurBehindWindow(this, enable);
	1834	#else
	1835	Q_UNUSED(enable);
	1836	#endif // HANDHELD
	1837	}
	1838
	1839	void MainWindow::actionHelpOnlineSupportTriggered()
	1840	{
	1841	QDesktopServices::openUrl(QUrl("http://tspsg.info/goto/support"));
	1842	}
	1843
	1844	void MainWindow::actionHelpReportBugTriggered()
	1845	{
	1846	QDesktopServices::openUrl(QUrl("http://tspsg.info/goto/bugtracker"));
	1847	}
	1848
	1849	#ifdef Q_WS_S60
	1850	QSMessageBox::QSMessageBox(QWidget *parent)
	1851	: QMessageBox(parent)
	1852	{
	1853	setIcon(QMessageBox::Warning);
	1854	setWindowTitle(QApplication::translate("MainWindow", "Unsaved Changes"));
	1855	setText(QApplication::translate("MainWindow", "Would you like to save changes in the current task?"));
	1856	setStandardButtons(QMessageBox::Save);
	1857
	1858	QMenu *m = new QMenu(this);
	1859	m->addAction(QApplication::translate("QDialogButtonBox", "Discard", "No need to translate this. The translation will be taken from Qt translation files."),
	1860	this, SLOT(discard()));
	1861	m->addAction(QApplication::translate("QDialogButtonBox", "Cancel", "No need to translate this. The translation will be taken from Qt translation files."),
	1862	this, SLOT(cancel()));
	1863
	1864	QAction *o = new QAction(QApplication::translate("QtToolBarDialog", "Actions"), this);
	1865	o->setSoftKeyRole(QAction::NegativeSoftKey);
	1866	o->setMenu(m);
	1867	addAction(o);
	1868	}
	1869
	1870	void QSMessageBox::cancel(){
	1871	done(QMessageBox::Cancel);
	1872	}
	1873
	1874	void QSMessageBox::discard() {
	1875	done(QMessageBox::Discard);
	1876	}
	1877	#endif // Q_WS_S60

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