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source: tspsg-svn/trunk/src/mainwindow.cpp @ 64

Last change on this file since 64 was 63, checked in by laleppa, 15 years ago
New TSPSG icon. Found some nice image among heap of images on my PC and thought it would be a nice icon for TSPSG. Original source: Internet (read, unknown). Some insignificant code changes.
Property svn:keywords set to `Id URL`
File size: 22.3 KB

Rev	Line
[45]	1	/*
[42]	2	* TSPSG: TSP Solver and Generator
[17]	3	* Copyright (C) 2007-2009 Lёppa <contacts[at]oleksii[dot]name>
[1]	4	*
[6]	5	* $Id: mainwindow.cpp 63 2009-09-09 22:14:22Z laleppa $
	6	* $URL: https://tspsg.svn.sourceforge.net/svnroot/tspsg/trunk/src/mainwindow.cpp $
[4]	7	*
[6]	8	* This file is part of TSPSG.
[1]	9	*
[6]	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.
[1]	14	*
[6]	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.
[1]	19	*
[6]	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/>.
[1]	22	*/
	23
	24	#include "mainwindow.h"
	25
	26	MainWindow::MainWindow(QWidget *parent)
[21]	27	: QMainWindow(parent)
[1]	28	{
[29]	29	settings = new QSettings(QSettings::IniFormat,QSettings::UserScope,"TSPSG","tspsg");
	30	loadLanguage();
[1]	31	setupUi(this);
[54]	32	#ifndef Q_OS_WINCE
	33	QStatusBar *statusbar = new QStatusBar(this);
	34	statusbar->setObjectName("statusbar");
	35	setStatusBar(statusbar);
	36	#endif // Q_OS_WINCE
[42]	37	initDocStyleSheet();
	38	solutionText->document()->setDefaultFont(settings->value("Output/Font",QFont(DEF_FONT_FAMILY,DEF_FONT_SIZE)).value<QFont>());
	39	solutionText->setTextColor(settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>());
	40	solutionText->setWordWrapMode(QTextOption::WordWrap);
[38]	41	#ifdef Q_OS_WINCE
	42	// A little hack for toolbar icons to have sane size.
	43	int s = qMin(QApplication::desktop()->screenGeometry().width(),QApplication::desktop()->screenGeometry().height());
	44	toolBar->setIconSize(QSize(s / 10,s / 10));
	45	#endif
[54]	46	#ifndef QT_NO_PRINTER
[52]	47	printer = new QPrinter(QPrinter::HighResolution);
[54]	48	#endif // QT_NO_PRINTER
[29]	49	groupSettingsLanguageList = new QActionGroup(this);
[30]	50	actionSettingsLanguageEnglish->setData("en");
	51	actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
[29]	52	loadLangList();
[50]	53	spinCities->setMaximum(MAX_NUM_CITIES);
[29]	54	actionSettingsLanguageAutodetect->setChecked(settings->value("Language","").toString().isEmpty());
	55	connect(actionFileNew,SIGNAL(triggered()),this,SLOT(actionFileNewTriggered()));
[31]	56	connect(actionFileOpen,SIGNAL(triggered()),this,SLOT(actionFileOpenTriggered()));
[50]	57	connect(actionFileSave,SIGNAL(triggered()),this,SLOT(actionFileSaveTriggered()));
[42]	58	connect(actionFileSaveAsTask,SIGNAL(triggered()),this,SLOT(actionFileSaveAsTaskTriggered()));
	59	connect(actionFileSaveAsSolution,SIGNAL(triggered()),this,SLOT(actionFileSaveAsSolutionTriggered()));
[29]	60	connect(actionSettingsPreferences,SIGNAL(triggered()),this,SLOT(actionSettingsPreferencesTriggered()));
	61	connect(actionSettingsLanguageAutodetect,SIGNAL(triggered(bool)),this,SLOT(actionSettingsLanguageAutodetectTriggered(bool)));
	62	connect(groupSettingsLanguageList,SIGNAL(triggered(QAction )),this,SLOT(groupSettingsLanguageListTriggered(QAction )));
[37]	63	connect(actionHelpAboutQt,SIGNAL(triggered()),qApp,SLOT(aboutQt()));
[29]	64	connect(actionHelpAbout,SIGNAL(triggered()),this,SLOT(actionHelpAboutTriggered()));
[54]	65	#ifndef QT_NO_PRINTER
	66	menuFile->insertAction(actionFileExit,actionFilePrintPreview);
	67	menuFile->insertAction(actionFileExit,actionFilePrint);
	68	menuFile->insertSeparator(actionFileExit);
	69	toolBar->insertAction(actionSettingsPreferences,actionFilePrint);
[52]	70	connect(actionFilePrintPreview,SIGNAL(triggered()),this,SLOT(actionFilePrintPreviewTriggered()));
	71	connect(actionFilePrint,SIGNAL(triggered()),this,SLOT(actionFilePrintTriggered()));
[54]	72	#endif // QT_NO_PRINTER
[29]	73	connect(buttonSolve,SIGNAL(clicked()),this,SLOT(buttonSolveClicked()));
	74	connect(buttonRandom,SIGNAL(clicked()),this,SLOT(buttonRandomClicked()));
[50]	75	connect(buttonBackToTask,SIGNAL(clicked()),this,SLOT(buttonBackToTaskClicked()));
[29]	76	connect(spinCities,SIGNAL(valueChanged(int)),this,SLOT(spinCitiesValueChanged(int)));
[50]	77	setCentralWidget(tabWidget);
[17]	78	QRect rect = geometry();
[42]	79	#ifndef Q_OS_WINCE
[23]	80	if (settings->value("SavePos",false).toBool()) {
[21]	81	// Loading of saved window state
[23]	82	settings->beginGroup("MainWindow");
	83	resize(settings->value("Size",size()).toSize());
	84	move(settings->value("Position",pos()).toPoint());
	85	if (settings->value("Maximized",false).toBool())
[21]	86	setWindowState(windowState() \| Qt::WindowMaximized);
[23]	87	settings->endGroup();
[21]	88	} else {
	89	// Centering main window
	90	rect.moveCenter(QApplication::desktop()->availableGeometry(this).center());
	91	setGeometry(rect);
	92	}
[17]	93	#endif // Q_OS_WINCE
[11]	94	qsrand(QDateTime().currentDateTime().toTime_t());
[15]	95	tspmodel = new CTSPModel();
[52]	96	taskView->setModel(tspmodel);
[31]	97	connect(tspmodel,SIGNAL(numCitiesChanged(int)),this,SLOT(numCitiesChanged(int)));
[57]	98	connect(tspmodel,SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),this,SLOT(dataChanged(const QModelIndex &, const QModelIndex &)));
[37]	99	connect(tspmodel,SIGNAL(layoutChanged()),this,SLOT(dataChanged()));
[50]	100	if ((QCoreApplication::arguments().count() > 1) && (tspmodel->loadTask(QCoreApplication::arguments().at(1))))
[47]	101	setFileName(QCoreApplication::arguments().at(1));
[50]	102	else {
[47]	103	setFileName();
[50]	104	spinCities->setValue(settings->value("NumCities",DEF_NUM_CITIES).toInt());
[52]	105	spinCitiesValueChanged(spinCities->value());
[50]	106	}
	107	setWindowModified(false);
[6]	108	}
	109
[42]	110	void MainWindow::enableSolutionActions(bool enable)
	111	{
[50]	112	buttonSaveSolution->setEnabled(enable);
[42]	113	actionFileSaveAsSolution->setEnabled(enable);
	114	solutionText->setEnabled(enable);
	115	if (!enable)
	116	output.clear();
[54]	117	#ifndef QT_NO_PRINTER
[52]	118	actionFilePrint->setEnabled(enable);
	119	actionFilePrintPreview->setEnabled(enable);
[54]	120	#endif // QT_NO_PRINTER
[42]	121	}
	122
[30]	123	bool MainWindow::loadLanguage(QString lang)
[4]	124	{
[29]	125	// i18n
[30]	126	bool ad = false;
	127	if (lang.isEmpty()) {
	128	ad = settings->value("Language","").toString().isEmpty();
	129	lang = settings->value("Language",QLocale::system().name()).toString();
	130	}
[52]	131	static QTranslator *qtTranslator; // Qt library translator
[29]	132	if (qtTranslator) {
	133	qApp->removeTranslator(qtTranslator);
	134	delete qtTranslator;
	135	qtTranslator = NULL;
	136	}
	137	qtTranslator = new QTranslator();
[52]	138	static QTranslator *translator; // Application translator
[30]	139	if (translator) {
	140	qApp->removeTranslator(translator);
	141	delete translator;
	142	}
	143	translator = new QTranslator();
[29]	144	if (lang.compare("en") && !lang.startsWith("en_")) {
	145	// Trying to load system Qt library translation...
	146	if (qtTranslator->load("qt_" + lang,QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
	147	qApp->installTranslator(qtTranslator);
	148	else
	149	// No luck. Let's try to load bundled one.
[57]	150	if (qtTranslator->load("qt_" + lang,PATH_I18N))
[29]	151	qApp->installTranslator(qtTranslator);
	152	else {
[52]	153	// Qt library translation unavailable
[29]	154	delete qtTranslator;
	155	qtTranslator = NULL;
	156	}
[30]	157	// Now let's load application translation.
[57]	158	if (translator->load(lang,PATH_I18N))
[29]	159	qApp->installTranslator(translator);
	160	else {
	161	if (!ad)
[52]	162	QMessageBox(QMessageBox::Warning,trUtf8("Language Change"),trUtf8("Unable to load translation language."),QMessageBox::Ok,this).exec();
[29]	163	delete translator;
	164	translator = NULL;
	165	return false;
	166	}
	167	}
	168	return true;
	169	}
	170
[42]	171	void MainWindow::initDocStyleSheet()
	172	{
	173	QColor color = settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>();
	174	QColor hilight;
	175	if (color.value() < 192)
	176	hilight.setHsv(color.hue(),color.saturation(),127 + qRound(color.value() / 2));
	177	else
	178	hilight.setHsv(color.hue(),color.saturation(),color.value() / 2);
	179	solutionText->document()->setDefaultStyleSheet("* {color: " + color.name() +";} p {margin: 0px 10px;} table {margin: 5px;} td {padding: 1px 5px;} .hasalts {color: " + hilight.name() + ";} .selected {color: #A00000; font-weight: bold;} .alternate {color: #008000; font-weight: bold;}");
	180	solutionText->document()->setDefaultFont(settings->value("Output/Font",QFont(DEF_FONT_FAMILY,DEF_FONT_SIZE)).value<QFont>());
	181	}
	182
[47]	183	void MainWindow::setFileName(QString fileName)
	184	{
	185	this->fileName = fileName;
	186	setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(trUtf8("Travelling Salesman Problem")));
	187	}
	188
[29]	189	void MainWindow::spinCitiesValueChanged(int n)
	190	{
[21]	191	int count = tspmodel->numCities();
[15]	192	tspmodel->setNumCities(n);
[57]	193	if ((n > count) && settings->value("Autosize",true).toBool())
[21]	194	for (int k = count; k < n; k++) {
	195	taskView->resizeColumnToContents(k);
	196	taskView->resizeRowToContents(k);
	197	}
[1]	198	}
	199
[47]	200	bool MainWindow::maybeSave()
	201	{
	202	if (!isWindowModified())
	203	return true;
	204	int res = QMessageBox(QMessageBox::Warning,trUtf8("Unsaved Changes"),trUtf8("Would you like to save changes in current task?"),QMessageBox::Save \| QMessageBox::Discard \| QMessageBox::Cancel,this).exec();
	205	if (res == QMessageBox::Save)
	206	return saveTask();
	207	else if (res == QMessageBox::Cancel)
	208	return false;
	209	else
	210	return true;
	211	}
[29]	212
	213	void MainWindow::actionFileNewTriggered()
[1]	214	{
[47]	215	if (!maybeSave())
	216	return;
[54]	217	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[29]	218	tspmodel->clear();
[47]	219	setFileName();
[37]	220	setWindowModified(false);
[42]	221	tabWidget->setCurrentIndex(0);
	222	solutionText->clear();
	223	enableSolutionActions(false);
[54]	224	QApplication::restoreOverrideCursor();
[29]	225	}
	226
[31]	227	void MainWindow::actionFileOpenTriggered()
	228	{
[47]	229	if (!maybeSave())
	230	return;
[31]	231	QFileDialog od(this);
	232	od.setAcceptMode(QFileDialog::AcceptOpen);
	233	od.setFileMode(QFileDialog::ExistingFile);
	234	QStringList filters(trUtf8("All Supported Formats") + " (.tspt .zkt)");
[47]	235	filters.append(trUtf8("%1 Task Files").arg("TSPSG") + " (*.tspt)");
	236	filters.append(trUtf8("%1 Task Files").arg("ZKomModRd") + " (*.zkt)");
[31]	237	filters.append(trUtf8("All Files") + " (*)");
	238	od.setNameFilters(filters);
	239	if (od.exec() != QDialog::Accepted)
	240	return;
	241	QStringList files = od.selectedFiles();
[47]	242	if (files.empty())
[31]	243	return;
[59]	244	if (!tspmodel->loadTask(files.first()))
[47]	245	return;
	246	setFileName(files.first());
	247	tabWidget->setCurrentIndex(0);
[37]	248	setWindowModified(false);
[42]	249	solutionText->clear();
	250	enableSolutionActions(false);
[31]	251	}
	252
[50]	253	void MainWindow::actionFileSaveTriggered()
	254	{
	255	if ((fileName == trUtf8("Untitled") + ".tspt") \|\| (!fileName.endsWith(".tspt",Qt::CaseInsensitive)))
	256	saveTask();
[59]	257	else
[50]	258	if (tspmodel->saveTask(fileName))
	259	setWindowModified(false);
	260	}
	261
[42]	262	void MainWindow::actionFileSaveAsTaskTriggered()
[31]	263	{
[37]	264	saveTask();
	265	}
	266
[42]	267	void MainWindow::actionFileSaveAsSolutionTriggered()
	268	{
	269	static QString selectedFile;
	270	if (selectedFile.isEmpty())
[55]	271	#ifndef QT_NO_PRINTER
	272	selectedFile = "solution.pdf";
	273	#else
[42]	274	selectedFile = "solution.html";
[55]	275	#endif // QT_NO_PRINTER
[42]	276	QFileDialog sd(this);
	277	sd.setAcceptMode(QFileDialog::AcceptSave);
[55]	278	QStringList filters;
	279	#ifndef QT_NO_PRINTER
	280	filters.append(trUtf8("PDF Files") + "(*.pdf)");
	281	#endif
	282	filters.append(trUtf8("HTML Files") + " (.html .htm)");
[45]	283	#if QT_VERSION >= 0x040500
[42]	284	filters.append(trUtf8("OpenDocument Files") + " (*.odt)");
[45]	285	#endif // QT_VERSION >= 0x040500
[42]	286	filters.append(trUtf8("All Files") + " (*)");
	287	sd.setNameFilters(filters);
	288	sd.selectFile(selectedFile);
	289	if (sd.exec() != QDialog::Accepted)
	290	return;
	291	QStringList files = sd.selectedFiles();
	292	if (files.empty())
	293	return;
	294	selectedFile = files.first();
[51]	295	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[55]	296	#ifndef QT_NO_PRINTER
	297	if (selectedFile.endsWith(".pdf",Qt::CaseInsensitive)) {
	298	QPrinter printer(QPrinter::HighResolution);
	299	printer.setOutputFormat(QPrinter::PdfFormat);
	300	printer.setOutputFileName(selectedFile);
	301	solutionText->document()->print(&printer);
	302	QApplication::restoreOverrideCursor();
	303	return;
	304	}
	305	#endif
[45]	306	#if QT_VERSION >= 0x040500
[42]	307	QTextDocumentWriter dw(selectedFile);
	308	if (!(selectedFile.endsWith(".htm",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".html",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".odt",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".txt",Qt::CaseInsensitive)))
	309	dw.setFormat("plaintext");
	310	dw.write(solutionText->document());
[45]	311	#else
	312	// Qt < 4.5 has no QTextDocumentWriter class
	313	QFile file(selectedFile);
[51]	314	if (!file.open(QFile::WriteOnly)) {
	315	QApplication::restoreOverrideCursor();
[45]	316	return;
[51]	317	}
[45]	318	QTextStream ts(&file);
	319	ts.setCodec(QTextCodec::codecForName("UTF-8"));
	320	ts << solutionText->document()->toHtml("UTF-8");
[51]	321	file.close();
[45]	322	#endif // QT_VERSION >= 0x040500
[51]	323	QApplication::restoreOverrideCursor();
[42]	324	}
	325
[37]	326	bool MainWindow::saveTask() {
[31]	327	QFileDialog sd(this);
	328	sd.setAcceptMode(QFileDialog::AcceptSave);
[47]	329	QStringList filters(trUtf8("%1 Task File").arg("TSPSG") + " (*.tspt)");
[31]	330	filters.append(trUtf8("All Files") + " (*)");
	331	sd.setNameFilters(filters);
	332	sd.setDefaultSuffix("tspt");
[47]	333	if (fileName.endsWith(".tspt",Qt::CaseInsensitive))
	334	sd.selectFile(fileName);
	335	else
	336	sd.selectFile(QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt");
[31]	337	if (sd.exec() != QDialog::Accepted)
[37]	338	return false;
[31]	339	QStringList files = sd.selectedFiles();
[47]	340	if (files.empty())
[37]	341	return false;
	342	if (tspmodel->saveTask(files.first())) {
[47]	343	setFileName(files.first());
[37]	344	setWindowModified(false);
	345	return true;
[47]	346	}
	347	return false;
[31]	348	}
	349
[29]	350	void MainWindow::actionSettingsPreferencesTriggered()
	351	{
[1]	352	SettingsDialog sd(this);
[42]	353	if (sd.exec() != QDialog::Accepted)
	354	return;
	355	if (sd.colorChanged() \|\| sd.fontChanged()) {
	356	initDocStyleSheet();
	357	if (!output.isEmpty() && sd.colorChanged() && (QMessageBox(QMessageBox::Question,trUtf8("Settings Changed"),trUtf8("You have changed color settings.\nDo you wish to apply them to current solution text?"),QMessageBox::Yes \| QMessageBox::No,this).exec() == QMessageBox::Yes)) {
	358	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	359	solutionText->clear();
	360	solutionText->setHtml(output.join(""));
	361	QApplication::restoreOverrideCursor();
	362	}
	363	}
[1]	364	}
[6]	365
[54]	366	#ifndef QT_NO_PRINTER
[52]	367	void MainWindow::printPreview(QPrinter *printer)
[17]	368	{
[52]	369	solutionText->print(printer);
	370	}
	371
	372	void MainWindow::actionFilePrintPreviewTriggered()
	373	{
	374	QPrintPreviewDialog ppd(printer, this);
	375	connect(&ppd,SIGNAL(paintRequested(QPrinter )),SLOT(printPreview(QPrinter )));
	376	ppd.exec();
	377	}
	378
	379	void MainWindow::actionFilePrintTriggered()
	380	{
[29]	381	QPrintDialog pd(printer,this);
[33]	382	#if QT_VERSION >= 0x040500
	383	// No such methods in Qt < 4.5
[29]	384	pd.setOption(QAbstractPrintDialog::PrintSelection,false);
	385	pd.setOption(QAbstractPrintDialog::PrintPageRange,false);
[33]	386	#endif
[52]	387	if (pd.exec() != QDialog::Accepted)
	388	return;
[54]	389	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[52]	390	solutionText->document()->print(printer);
[54]	391	QApplication::restoreOverrideCursor();
[17]	392	}
[54]	393	#endif // QT_NO_PRINTER
[17]	394
[29]	395	void MainWindow::buttonRandomClicked()
[6]	396	{
[54]	397	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[15]	398	tspmodel->randomize();
[54]	399	QApplication::restoreOverrideCursor();
[6]	400	}
	401
[50]	402	void MainWindow::buttonBackToTaskClicked()
	403	{
	404	tabWidget->setCurrentIndex(0);
	405	}
	406
[42]	407	void MainWindow::outputMatrix(tMatrix matrix, QStringList &output, int nRow, int nCol)
	408	{
	409	int n = spinCities->value();
	410	QString line="";
	411	output.append("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
	412	for (int r = 0; r < n; r++) {
	413	line = "<tr>";
	414	for (int c = 0; c < n; c++) {
	415	if (matrix[r][c] == INFINITY)
	416	line += "<td align=\"center\">"INFSTR"</td>";
	417	else if ((r == nRow) && (c == nCol))
	418	line += "<td align=\"center\" class=\"selected\">" + QVariant(matrix[r][c]).toString() + "</td>";
	419	else
	420	line += "<td align=\"center\">" + QVariant(matrix[r][c]).toString() + "</td>";
	421	}
	422	line += "</tr>";
	423	output.append(line);
	424	}
	425	output.append("</table>");
	426	}
	427
[29]	428	void MainWindow::buttonSolveClicked()
[6]	429	{
[13]	430	tMatrix matrix;
[42]	431	QList<double> row;
[15]	432	int n = spinCities->value();
[13]	433	bool ok;
[15]	434	for (int r = 0; r < n; r++) {
[42]	435	row.clear();
[15]	436	for (int c = 0; c < n; c++) {
[42]	437	row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok));
[15]	438	if (!ok) {
[47]	439	QMessageBox(QMessageBox::Critical,trUtf8("Data error"),trUtf8("Error in cell [Row %1; Column %2]: Invalid data format.").arg(r + 1).arg(c + 1),QMessageBox::Ok,this).exec();
[15]	440	return;
[13]	441	}
	442	}
	443	matrix.append(row);
	444	}
	445	CTSPSolver solver;
[50]	446	sStep *root = solver.solve(n,matrix,this);
[13]	447	if (!root)
[42]	448	return;
	449	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	450	QColor color = settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>();
	451	output.clear();
	452	output.append("<p>" + trUtf8("Variant #%1").arg(spinVariant->value()) + "</p>");
	453	output.append("<p>" + trUtf8("Task:") + "</p>");
	454	outputMatrix(matrix,output);
	455	output.append("<hr>");
	456	output.append("<p>" + trUtf8("Solution of Variant #%1 task").arg(spinVariant->value()) + "</p>");
	457	sStep *step = root;
	458	n = 1;
	459	while (n <= spinCities->value()) {
	460	if (step->prNode->prNode != NULL \|\| (step->prNode->prNode == NULL && step->plNode->prNode == NULL)) {
	461	if (n != spinCities->value()) {
	462	output.append("<p>" + trUtf8("Step #%1").arg(n++) + "</p>");
	463	outputMatrix(step->matrix,output,step->candidate.nRow,step->candidate.nCol);
	464	if (step->alts)
	465	output.append("<p class=\"hasalts\">" + trUtf8("This step has alternate candidates for branching.") + "</p>");
	466	output.append("<p> </p>");
	467	}
	468	}
	469	if (step->prNode->prNode != NULL)
	470	step = step->prNode;
	471	else if (step->plNode->prNode != NULL)
	472	step = step->plNode;
	473	else
	474	break;
	475	}
[60]	476	if (solver.isOptimal())
	477	output.append("<p>" + trUtf8("Optimal path:") + "</p>");
	478	else
	479	output.append("<p>" + trUtf8("Resulting path:") + "</p>");
	480	output.append("<p>  " + solver.getSortedPath() + "</p>");
[42]	481	output.append("<p>" + trUtf8("The price is <b>%1</b> units.").arg(step->price) + "</p>");
[60]	482	if (!solver.isOptimal()) {
	483	output.append("<p> </p>");
	484	output.append("<p>" + trUtf8("<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>");
	485	}
[42]	486	solutionText->setHtml(output.join(""));
	487	solutionText->setDocumentTitle(trUtf8("Solution of Variant #%1 task").arg(spinVariant->value()));
	488	enableSolutionActions();
	489	tabWidget->setCurrentIndex(1);
	490	QApplication::restoreOverrideCursor();
[6]	491	}
[21]	492
[29]	493	void MainWindow::actionHelpAboutTriggered()
[21]	494	{
	495	// TODO: Normal about window :-)
[55]	496	QString about = QString::fromUtf8("TSPSG: TSP Solver and Generator\n");
[45]	497	about += QString::fromUtf8(" Version: "BUILD_VERSION"\n");
[42]	498	about += QString::fromUtf8(" Copyright (C) 2007-%1 Lёppa <contacts[at]oleksii[dot]name>\n").arg(QDate::currentDate().toString("yyyy"));
[37]	499	about += QString::fromUtf8("Target OS: %1\n").arg(OS);
	500	about += "Qt library:\n";
[30]	501	about += QString::fromUtf8(" Compile time: %1\n").arg(QT_VERSION_STR);
	502	about += QString::fromUtf8(" Runtime: %1\n").arg(qVersion());
[41]	503	about += QString::fromUtf8("Built on %1 at %2\n").arg(__DATE__).arg(__TIME__);
[63]	504	about += QString::fromUtf8(VERSIONID"\n\n");
	505	about += QString::fromUtf8("Algorithm: %1\n").arg(CTSPSolver::getVersionId());
[30]	506	about += "\n";
	507	about += "TSPSG is licensed under the terms of the GNU General Public License. You should have received a copy of the GNU General Public License along with TSPSG.";
[27]	508	QMessageBox(QMessageBox::Information,"About",about,QMessageBox::Ok,this).exec();
[21]	509	}
	510
[29]	511	void MainWindow::loadLangList()
	512	{
[57]	513	QSettings langinfo(PATH_I18N"/languages.ini",QSettings::IniFormat);
[33]	514	#if QT_VERSION >= 0x040500
	515	// In Qt < 4.5 QSettings doesn't have method setIniCodec.
[29]	516	langinfo.setIniCodec("UTF-8");
[33]	517	#endif
[57]	518	QDir dir(PATH_I18N,"*.qm",QDir::Name \| QDir::IgnoreCase,QDir::Files);
[29]	519	if (!dir.exists())
	520	return;
	521	QFileInfoList langs = dir.entryInfoList();
	522	if (langs.size() <= 0)
	523	return;
	524	QAction *a;
	525	for (int k = 0; k < langs.size(); k++) {
	526	QFileInfo lang = langs.at(k);
[30]	527	if (!lang.completeBaseName().startsWith("qt_") && lang.completeBaseName().compare("en")) {
[33]	528	#if QT_VERSION >= 0x040500
[29]	529	a = menuSettingsLanguage->addAction(langinfo.value(lang.completeBaseName() + "/NativeName",lang.completeBaseName()).toString());
[33]	530	#else
	531	// We use Name if Qt < 4.5 because NativeName is in UTF-8, QSettings
	532	// reads .ini file as ASCII and there is no way to set file encoding.
	533	a = menuSettingsLanguage->addAction(langinfo.value(lang.completeBaseName() + "/Name",lang.completeBaseName()).toString());
	534	#endif
[29]	535	a->setData(lang.completeBaseName());
	536	a->setCheckable(true);
	537	a->setActionGroup(groupSettingsLanguageList);
	538	if (settings->value("Language",QLocale::system().name()).toString().startsWith(lang.completeBaseName()))
	539	a->setChecked(true);
	540	}
	541	}
	542	}
	543
	544	void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked)
	545	{
	546	if (checked) {
	547	settings->remove("Language");
	548	QMessageBox(QMessageBox::Information,trUtf8("Language change"),trUtf8("Language will be autodetected on next application start."),QMessageBox::Ok,this).exec();
	549	} else
	550	settings->setValue("Language",groupSettingsLanguageList->checkedAction()->data().toString());
	551	}
	552
	553	void MainWindow::groupSettingsLanguageListTriggered(QAction *action)
	554	{
	555	if (actionSettingsLanguageAutodetect->isChecked()) {
	556	// We have language autodetection. It needs to be disabled to change language.
	557	if (QMessageBox(QMessageBox::Question,trUtf8("Language change"),trUtf8("You have language autodetection turned on.\nIt needs to be off.\nDo you wish to turn it off?"),QMessageBox::Yes \| QMessageBox::No,this).exec() == QMessageBox::Yes) {
	558	actionSettingsLanguageAutodetect->trigger();
	559	} else
	560	return;
	561	}
[47]	562	bool untitled = (fileName == trUtf8("Untitled") + ".tspt");
[30]	563	if (loadLanguage(action->data().toString())) {
[29]	564	settings->setValue("Language",action->data().toString());
	565	retranslateUi(this);
[47]	566	if (untitled)
	567	setFileName();
[29]	568	}
	569	}
	570
[21]	571	void MainWindow::closeEvent(QCloseEvent *event)
	572	{
[47]	573	if (!maybeSave()) {
	574	event->ignore();
	575	return;
[37]	576	}
[26]	577	settings->setValue("NumCities",spinCities->value());
	578	#ifndef Q_OS_WINCE
[21]	579	// Saving windows state
[23]	580	if (settings->value("SavePos",false).toBool()) {
	581	settings->beginGroup("MainWindow");
	582	settings->setValue("Maximized",isMaximized());
[21]	583	if (!isMaximized()) {
[23]	584	settings->setValue("Size",size());
	585	settings->setValue("Position",pos());
[21]	586	}
[23]	587	settings->endGroup();
[21]	588	}
[26]	589	#endif // Q_OS_WINCE
[21]	590	QMainWindow::closeEvent(event);
	591	}
[31]	592
[37]	593	void MainWindow::dataChanged()
	594	{
	595	setWindowModified(true);
	596	}
	597
[57]	598	void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br)
	599	{
	600	setWindowModified(true);
	601	if (settings->value("Autosize",true).toBool()) {
	602	for (int k = tl.row(); k <= br.row(); k++)
	603	taskView->resizeRowToContents(k);
	604	for (int k = tl.column(); k <= br.column(); k++)
	605	taskView->resizeColumnToContents(k);
	606	}
	607	}
	608
[31]	609	void MainWindow::numCitiesChanged(int nCities)
	610	{
[50]	611	blockSignals(true);
[31]	612	spinCities->setValue(nCities);
[50]	613	blockSignals(false);
[31]	614	}

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