Context Navigation

source: tspsg-svn/trunk/src/mainwindow.cpp @ 56

Last change on this file since 56 was 55, checked in by laleppa, 15 years ago

+ PDF format option when saving solution if platform supports printing.

Check alternative candidates for subcycles.

Property svn:keywords set to Id URL

File size: 22.1 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 55 2009-08-11 16:54:01Z 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)));
[37]	98	connect(tspmodel,SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),this,SLOT(dataChanged()));
	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.
	150	if (qtTranslator->load("qt_" + lang,"i18n"))
	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.
[29]	158	if (translator->load(lang,"i18n"))
	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);
[21]	193	if (n > count)
	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	taskView->resizeColumnsToContents();
	220	taskView->resizeRowsToContents();
	221	setFileName();
[37]	222	setWindowModified(false);
[42]	223	tabWidget->setCurrentIndex(0);
	224	solutionText->clear();
	225	enableSolutionActions(false);
[54]	226	QApplication::restoreOverrideCursor();
[29]	227	}
	228
[31]	229	void MainWindow::actionFileOpenTriggered()
	230	{
[47]	231	if (!maybeSave())
	232	return;
[31]	233	QFileDialog od(this);
	234	od.setAcceptMode(QFileDialog::AcceptOpen);
	235	od.setFileMode(QFileDialog::ExistingFile);
	236	QStringList filters(trUtf8("All Supported Formats") + " (.tspt .zkt)");
[47]	237	filters.append(trUtf8("%1 Task Files").arg("TSPSG") + " (*.tspt)");
	238	filters.append(trUtf8("%1 Task Files").arg("ZKomModRd") + " (*.zkt)");
[31]	239	filters.append(trUtf8("All Files") + " (*)");
	240	od.setNameFilters(filters);
	241	if (od.exec() != QDialog::Accepted)
	242	return;
	243	QStringList files = od.selectedFiles();
[47]	244	if (files.empty())
[31]	245	return;
[47]	246	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	247	if (!tspmodel->loadTask(files.first())) {
	248	QApplication::restoreOverrideCursor();
	249	return;
	250	}
	251	setFileName(files.first());
	252	taskView->resizeColumnsToContents();
	253	taskView->resizeRowsToContents();
	254	tabWidget->setCurrentIndex(0);
[37]	255	setWindowModified(false);
[42]	256	solutionText->clear();
	257	enableSolutionActions(false);
[47]	258	QApplication::restoreOverrideCursor();
[31]	259	}
	260
[50]	261	void MainWindow::actionFileSaveTriggered()
	262	{
	263	if ((fileName == trUtf8("Untitled") + ".tspt") \|\| (!fileName.endsWith(".tspt",Qt::CaseInsensitive)))
	264	saveTask();
	265	else {
	266	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	267	if (tspmodel->saveTask(fileName))
	268	setWindowModified(false);
	269	QApplication::restoreOverrideCursor();
	270	}
	271	}
	272
[42]	273	void MainWindow::actionFileSaveAsTaskTriggered()
[31]	274	{
[37]	275	saveTask();
	276	}
	277
[42]	278	void MainWindow::actionFileSaveAsSolutionTriggered()
	279	{
	280	static QString selectedFile;
	281	if (selectedFile.isEmpty())
[55]	282	#ifndef QT_NO_PRINTER
	283	selectedFile = "solution.pdf";
	284	#else
[42]	285	selectedFile = "solution.html";
[55]	286	#endif // QT_NO_PRINTER
[42]	287	QFileDialog sd(this);
	288	sd.setAcceptMode(QFileDialog::AcceptSave);
[55]	289	QStringList filters;
	290	#ifndef QT_NO_PRINTER
	291	filters.append(trUtf8("PDF Files") + "(*.pdf)");
	292	#endif
	293	filters.append(trUtf8("HTML Files") + " (.html .htm)");
[45]	294	#if QT_VERSION >= 0x040500
[42]	295	filters.append(trUtf8("OpenDocument Files") + " (*.odt)");
[45]	296	#endif // QT_VERSION >= 0x040500
[42]	297	filters.append(trUtf8("All Files") + " (*)");
	298	sd.setNameFilters(filters);
	299	sd.selectFile(selectedFile);
	300	if (sd.exec() != QDialog::Accepted)
	301	return;
	302	QStringList files = sd.selectedFiles();
	303	if (files.empty())
	304	return;
	305	selectedFile = files.first();
[51]	306	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[55]	307	#ifndef QT_NO_PRINTER
	308	if (selectedFile.endsWith(".pdf",Qt::CaseInsensitive)) {
	309	QPrinter printer(QPrinter::HighResolution);
	310	printer.setOutputFormat(QPrinter::PdfFormat);
	311	printer.setOutputFileName(selectedFile);
	312	solutionText->document()->print(&printer);
	313	QApplication::restoreOverrideCursor();
	314	return;
	315	}
	316	#endif
[45]	317	#if QT_VERSION >= 0x040500
[42]	318	QTextDocumentWriter dw(selectedFile);
	319	if (!(selectedFile.endsWith(".htm",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".html",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".odt",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".txt",Qt::CaseInsensitive)))
	320	dw.setFormat("plaintext");
	321	dw.write(solutionText->document());
[45]	322	#else
	323	// Qt < 4.5 has no QTextDocumentWriter class
	324	QFile file(selectedFile);
[51]	325	if (!file.open(QFile::WriteOnly)) {
	326	QApplication::restoreOverrideCursor();
[45]	327	return;
[51]	328	}
[45]	329	QTextStream ts(&file);
	330	ts.setCodec(QTextCodec::codecForName("UTF-8"));
	331	ts << solutionText->document()->toHtml("UTF-8");
[51]	332	file.close();
[45]	333	#endif // QT_VERSION >= 0x040500
[51]	334	QApplication::restoreOverrideCursor();
[42]	335	}
	336
[37]	337	bool MainWindow::saveTask() {
[31]	338	QFileDialog sd(this);
	339	sd.setAcceptMode(QFileDialog::AcceptSave);
[47]	340	QStringList filters(trUtf8("%1 Task File").arg("TSPSG") + " (*.tspt)");
[31]	341	filters.append(trUtf8("All Files") + " (*)");
	342	sd.setNameFilters(filters);
	343	sd.setDefaultSuffix("tspt");
[47]	344	if (fileName.endsWith(".tspt",Qt::CaseInsensitive))
	345	sd.selectFile(fileName);
	346	else
	347	sd.selectFile(QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt");
[31]	348	if (sd.exec() != QDialog::Accepted)
[37]	349	return false;
[31]	350	QStringList files = sd.selectedFiles();
[47]	351	if (files.empty())
[37]	352	return false;
[47]	353	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[37]	354	if (tspmodel->saveTask(files.first())) {
[47]	355	setFileName(files.first());
[37]	356	setWindowModified(false);
[47]	357	QApplication::restoreOverrideCursor();
[37]	358	return true;
[47]	359	}
	360	QApplication::restoreOverrideCursor();
	361	return false;
[31]	362	}
	363
[29]	364	void MainWindow::actionSettingsPreferencesTriggered()
	365	{
[1]	366	SettingsDialog sd(this);
[42]	367	if (sd.exec() != QDialog::Accepted)
	368	return;
	369	if (sd.colorChanged() \|\| sd.fontChanged()) {
	370	initDocStyleSheet();
	371	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)) {
	372	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	373	solutionText->clear();
	374	solutionText->setHtml(output.join(""));
	375	QApplication::restoreOverrideCursor();
	376	}
	377	}
[1]	378	}
[6]	379
[54]	380	#ifndef QT_NO_PRINTER
[52]	381	void MainWindow::printPreview(QPrinter *printer)
[17]	382	{
[52]	383	solutionText->print(printer);
	384	}
	385
	386	void MainWindow::actionFilePrintPreviewTriggered()
	387	{
	388	QPrintPreviewDialog ppd(printer, this);
	389	connect(&ppd,SIGNAL(paintRequested(QPrinter )),SLOT(printPreview(QPrinter )));
	390	ppd.exec();
	391	}
	392
	393	void MainWindow::actionFilePrintTriggered()
	394	{
[29]	395	QPrintDialog pd(printer,this);
[33]	396	#if QT_VERSION >= 0x040500
	397	// No such methods in Qt < 4.5
[29]	398	pd.setOption(QAbstractPrintDialog::PrintSelection,false);
	399	pd.setOption(QAbstractPrintDialog::PrintPageRange,false);
[33]	400	#endif
[52]	401	if (pd.exec() != QDialog::Accepted)
	402	return;
[54]	403	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[52]	404	solutionText->document()->print(printer);
[54]	405	QApplication::restoreOverrideCursor();
[17]	406	}
[54]	407	#endif // QT_NO_PRINTER
[17]	408
[29]	409	void MainWindow::buttonRandomClicked()
[6]	410	{
[54]	411	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[15]	412	tspmodel->randomize();
[37]	413	setWindowModified(true);
[21]	414	taskView->resizeColumnsToContents();
	415	taskView->resizeRowsToContents();
[54]	416	QApplication::restoreOverrideCursor();
[6]	417	}
	418
[50]	419	void MainWindow::buttonBackToTaskClicked()
	420	{
	421	tabWidget->setCurrentIndex(0);
	422	}
	423
[42]	424	void MainWindow::outputMatrix(tMatrix matrix, QStringList &output, int nRow, int nCol)
	425	{
	426	int n = spinCities->value();
	427	QString line="";
	428	output.append("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
	429	for (int r = 0; r < n; r++) {
	430	line = "<tr>";
	431	for (int c = 0; c < n; c++) {
	432	if (matrix[r][c] == INFINITY)
	433	line += "<td align=\"center\">"INFSTR"</td>";
	434	else if ((r == nRow) && (c == nCol))
	435	line += "<td align=\"center\" class=\"selected\">" + QVariant(matrix[r][c]).toString() + "</td>";
	436	else
	437	line += "<td align=\"center\">" + QVariant(matrix[r][c]).toString() + "</td>";
	438	}
	439	line += "</tr>";
	440	output.append(line);
	441	}
	442	output.append("</table>");
	443	}
	444
[29]	445	void MainWindow::buttonSolveClicked()
[6]	446	{
[13]	447	tMatrix matrix;
[42]	448	QList<double> row;
[15]	449	int n = spinCities->value();
[13]	450	bool ok;
[15]	451	for (int r = 0; r < n; r++) {
[42]	452	row.clear();
[15]	453	for (int c = 0; c < n; c++) {
[42]	454	row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok));
[15]	455	if (!ok) {
[47]	456	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]	457	return;
[13]	458	}
	459	}
	460	matrix.append(row);
	461	}
	462	CTSPSolver solver;
[50]	463	sStep *root = solver.solve(n,matrix,this);
[13]	464	if (!root)
[42]	465	return;
	466	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	467	QColor color = settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>();
	468	output.clear();
	469	output.append("<p>" + trUtf8("Variant #%1").arg(spinVariant->value()) + "</p>");
	470	output.append("<p>" + trUtf8("Task:") + "</p>");
	471	outputMatrix(matrix,output);
	472	output.append("<hr>");
	473	output.append("<p>" + trUtf8("Solution of Variant #%1 task").arg(spinVariant->value()) + "</p>");
	474	sStep *step = root;
	475	n = 1;
	476	QString path = "";
	477	while (n <= spinCities->value()) {
	478	if (step->prNode->prNode != NULL \|\| (step->prNode->prNode == NULL && step->plNode->prNode == NULL)) {
	479	if (n != spinCities->value()) {
	480	output.append("<p>" + trUtf8("Step #%1").arg(n++) + "</p>");
	481	outputMatrix(step->matrix,output,step->candidate.nRow,step->candidate.nCol);
	482	if (step->alts)
	483	output.append("<p class=\"hasalts\">" + trUtf8("This step has alternate candidates for branching.") + "</p>");
	484	output.append("<p> </p>");
	485	}
	486	path += QString(" (%1,%2)").arg(step->candidate.nRow + 1).arg(step->candidate.nCol + 1);
	487	}
	488	if (step->prNode->prNode != NULL)
	489	step = step->prNode;
	490	else if (step->plNode->prNode != NULL)
	491	step = step->plNode;
	492	else
	493	break;
	494	}
	495	output.append("<p>" + trUtf8("Optimal path:") + "</p>");
	496	output.append("<p>  " + path + "</p>");
	497	output.append("<p>" + trUtf8("The price is <b>%1</b> units.").arg(step->price) + "</p>");
	498	solutionText->setHtml(output.join(""));
	499	solutionText->setDocumentTitle(trUtf8("Solution of Variant #%1 task").arg(spinVariant->value()));
	500	enableSolutionActions();
	501	tabWidget->setCurrentIndex(1);
	502	QApplication::restoreOverrideCursor();
[6]	503	}
[21]	504
[29]	505	void MainWindow::actionHelpAboutTriggered()
[21]	506	{
	507	// TODO: Normal about window :-)
[55]	508	QString about = QString::fromUtf8("TSPSG: TSP Solver and Generator\n");
[45]	509	about += QString::fromUtf8(" Version: "BUILD_VERSION"\n");
[42]	510	about += QString::fromUtf8(" Copyright (C) 2007-%1 Lёppa <contacts[at]oleksii[dot]name>\n").arg(QDate::currentDate().toString("yyyy"));
[37]	511	about += QString::fromUtf8("Target OS: %1\n").arg(OS);
	512	about += "Qt library:\n";
[30]	513	about += QString::fromUtf8(" Compile time: %1\n").arg(QT_VERSION_STR);
	514	about += QString::fromUtf8(" Runtime: %1\n").arg(qVersion());
[41]	515	about += QString::fromUtf8("Built on %1 at %2\n").arg(__DATE__).arg(__TIME__);
[30]	516	about += "\n";
	517	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]	518	QMessageBox(QMessageBox::Information,"About",about,QMessageBox::Ok,this).exec();
[21]	519	}
	520
[29]	521	void MainWindow::loadLangList()
	522	{
	523	QSettings langinfo("i18n/languages.ini",QSettings::IniFormat);
[33]	524	#if QT_VERSION >= 0x040500
	525	// In Qt < 4.5 QSettings doesn't have method setIniCodec.
[29]	526	langinfo.setIniCodec("UTF-8");
[33]	527	#endif
[29]	528	QDir dir("i18n","*.qm",QDir::Name \| QDir::IgnoreCase,QDir::Files);
	529	if (!dir.exists())
	530	return;
	531	QFileInfoList langs = dir.entryInfoList();
	532	if (langs.size() <= 0)
	533	return;
	534	QAction *a;
	535	for (int k = 0; k < langs.size(); k++) {
	536	QFileInfo lang = langs.at(k);
[30]	537	if (!lang.completeBaseName().startsWith("qt_") && lang.completeBaseName().compare("en")) {
[33]	538	#if QT_VERSION >= 0x040500
[29]	539	a = menuSettingsLanguage->addAction(langinfo.value(lang.completeBaseName() + "/NativeName",lang.completeBaseName()).toString());
[33]	540	#else
	541	// We use Name if Qt < 4.5 because NativeName is in UTF-8, QSettings
	542	// reads .ini file as ASCII and there is no way to set file encoding.
	543	a = menuSettingsLanguage->addAction(langinfo.value(lang.completeBaseName() + "/Name",lang.completeBaseName()).toString());
	544	#endif
[29]	545	a->setData(lang.completeBaseName());
	546	a->setCheckable(true);
	547	a->setActionGroup(groupSettingsLanguageList);
	548	if (settings->value("Language",QLocale::system().name()).toString().startsWith(lang.completeBaseName()))
	549	a->setChecked(true);
	550	}
	551	}
	552	}
	553
	554	void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked)
	555	{
	556	if (checked) {
	557	settings->remove("Language");
	558	QMessageBox(QMessageBox::Information,trUtf8("Language change"),trUtf8("Language will be autodetected on next application start."),QMessageBox::Ok,this).exec();
	559	} else
	560	settings->setValue("Language",groupSettingsLanguageList->checkedAction()->data().toString());
	561	}
	562
	563	void MainWindow::groupSettingsLanguageListTriggered(QAction *action)
	564	{
	565	if (actionSettingsLanguageAutodetect->isChecked()) {
	566	// We have language autodetection. It needs to be disabled to change language.
	567	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) {
	568	actionSettingsLanguageAutodetect->trigger();
	569	} else
	570	return;
	571	}
[47]	572	bool untitled = (fileName == trUtf8("Untitled") + ".tspt");
[30]	573	if (loadLanguage(action->data().toString())) {
[29]	574	settings->setValue("Language",action->data().toString());
	575	retranslateUi(this);
[47]	576	if (untitled)
	577	setFileName();
[29]	578	}
	579	}
	580
[21]	581	void MainWindow::closeEvent(QCloseEvent *event)
	582	{
[47]	583	if (!maybeSave()) {
	584	event->ignore();
	585	return;
[37]	586	}
[26]	587	settings->setValue("NumCities",spinCities->value());
	588	#ifndef Q_OS_WINCE
[21]	589	// Saving windows state
[23]	590	if (settings->value("SavePos",false).toBool()) {
	591	settings->beginGroup("MainWindow");
	592	settings->setValue("Maximized",isMaximized());
[21]	593	if (!isMaximized()) {
[23]	594	settings->setValue("Size",size());
	595	settings->setValue("Position",pos());
[21]	596	}
[23]	597	settings->endGroup();
[21]	598	}
[26]	599	#endif // Q_OS_WINCE
[21]	600	QMainWindow::closeEvent(event);
	601	}
[31]	602
[37]	603	void MainWindow::dataChanged()
	604	{
	605	setWindowModified(true);
	606	}
	607
[31]	608	void MainWindow::numCitiesChanged(int nCities)
	609	{
[50]	610	blockSignals(true);
[31]	611	spinCities->setValue(nCities);
[50]	612	blockSignals(false);
[31]	613	}

Note: See TracBrowser for help on using the repository browser.

Download in other formats: