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source: tspsg-svn/trunk/src/mainwindow.cpp @ 97

Last change on this file since 97 was 97, checked in by laleppa, 15 years ago

+ Added precompiled header (PCH) file: should decrease project build time.

Improved installation and deployment rules in .pro file.
Improved translucency effect under Windows Vista/7.
Slightly modified qtwin.h to be included into the source documentation.
Regenerated source documentation.

Property svn:keywords set to Id URL

File size: 33.0 KB

Rev	Line
[45]	1	/*
[42]	2	* TSPSG: TSP Solver and Generator
[87]	3	* Copyright (C) 2007-2010 Lёppa <contacts[at]oleksii[dot]name>
[1]	4	*
[6]	5	* $Id: mainwindow.cpp 97 2010-03-02 23:55:23Z 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
[65]	26	/*!
	27	* \brief Class constructor.
	28	* \param parent Main Window parent widget.
	29	*
	30	* Initializes Main Window and creates its layout based on target OS.
	31	* Loads TSPSG settings and opens a task file if it was specified as a commandline parameter.
	32	*/
[1]	33	MainWindow::MainWindow(QWidget *parent)
[21]	34	: QMainWindow(parent)
[1]	35	{
[80]	36	settings = new QSettings(QSettings::IniFormat, QSettings::UserScope, "TSPSG", "tspsg", this);
[94]	37
[29]	38	loadLanguage();
[80]	39	setupUi();
	40
[42]	41	initDocStyleSheet();
[80]	42
[54]	43	#ifndef QT_NO_PRINTER
[52]	44	printer = new QPrinter(QPrinter::HighResolution);
[54]	45	#endif // QT_NO_PRINTER
[80]	46
[94]	47	#ifdef Q_OS_WINCE
	48	currentGeometry = QApplication::desktop()->availableGeometry(0);
	49	// We need to react to SIP show/hide and resize the window appropriately
	50	connect(QApplication::desktop(), SIGNAL(workAreaResized(int)), SLOT(desktopResized(int)));
	51	#endif // Q_OS_WINCE
[29]	52	connect(actionFileNew,SIGNAL(triggered()),this,SLOT(actionFileNewTriggered()));
[31]	53	connect(actionFileOpen,SIGNAL(triggered()),this,SLOT(actionFileOpenTriggered()));
[50]	54	connect(actionFileSave,SIGNAL(triggered()),this,SLOT(actionFileSaveTriggered()));
[42]	55	connect(actionFileSaveAsTask,SIGNAL(triggered()),this,SLOT(actionFileSaveAsTaskTriggered()));
	56	connect(actionFileSaveAsSolution,SIGNAL(triggered()),this,SLOT(actionFileSaveAsSolutionTriggered()));
[80]	57	#ifndef QT_NO_PRINTER
	58	connect(actionFilePrintPreview,SIGNAL(triggered()),this,SLOT(actionFilePrintPreviewTriggered()));
	59	connect(actionFilePrint,SIGNAL(triggered()),this,SLOT(actionFilePrintTriggered()));
	60	#endif // QT_NO_PRINTER
[29]	61	connect(actionSettingsPreferences,SIGNAL(triggered()),this,SLOT(actionSettingsPreferencesTriggered()));
	62	connect(actionSettingsLanguageAutodetect,SIGNAL(triggered(bool)),this,SLOT(actionSettingsLanguageAutodetectTriggered(bool)));
	63	connect(groupSettingsLanguageList,SIGNAL(triggered(QAction )),this,SLOT(groupSettingsLanguageListTriggered(QAction )));
[37]	64	connect(actionHelpAboutQt,SIGNAL(triggered()),qApp,SLOT(aboutQt()));
[29]	65	connect(actionHelpAbout,SIGNAL(triggered()),this,SLOT(actionHelpAboutTriggered()));
[80]	66
[29]	67	connect(buttonSolve,SIGNAL(clicked()),this,SLOT(buttonSolveClicked()));
	68	connect(buttonRandom,SIGNAL(clicked()),this,SLOT(buttonRandomClicked()));
[50]	69	connect(buttonBackToTask,SIGNAL(clicked()),this,SLOT(buttonBackToTaskClicked()));
[29]	70	connect(spinCities,SIGNAL(valueChanged(int)),this,SLOT(spinCitiesValueChanged(int)));
[71]	71
[93]	72	#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
[95]	73	// Centering main window
	74	QRect rect = geometry();
	75	rect.moveCenter(QApplication::desktop()->availableGeometry(this).center());
	76	setGeometry(rect);
[82]	77	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
[21]	78	// Loading of saved window state
[23]	79	settings->beginGroup("MainWindow");
[71]	80	restoreGeometry(settings->value("Geometry").toByteArray());
	81	restoreState(settings->value("State").toByteArray());
[23]	82	settings->endGroup();
[93]	83	}
	84	#else
[94]	85	setWindowState(Qt::WindowMaximized);
[71]	86	#endif // Q_OS_WINCE
	87
	88	tspmodel = new CTSPModel(this);
[52]	89	taskView->setModel(tspmodel);
[31]	90	connect(tspmodel,SIGNAL(numCitiesChanged(int)),this,SLOT(numCitiesChanged(int)));
[57]	91	connect(tspmodel,SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),this,SLOT(dataChanged(const QModelIndex &, const QModelIndex &)));
[37]	92	connect(tspmodel,SIGNAL(layoutChanged()),this,SLOT(dataChanged()));
[50]	93	if ((QCoreApplication::arguments().count() > 1) && (tspmodel->loadTask(QCoreApplication::arguments().at(1))))
[47]	94	setFileName(QCoreApplication::arguments().at(1));
[50]	95	else {
[47]	96	setFileName();
[50]	97	spinCities->setValue(settings->value("NumCities",DEF_NUM_CITIES).toInt());
[52]	98	spinCitiesValueChanged(spinCities->value());
[50]	99	}
	100	setWindowModified(false);
[6]	101	}
	102
[80]	103	MainWindow::~MainWindow()
	104	{
	105	#ifndef QT_NO_PRINTER
	106	delete printer;
	107	#endif
	108	}
	109
[67]	110	/* Privates **********************************************************/
[42]	111
[29]	112	void MainWindow::actionFileNewTriggered()
[1]	113	{
[47]	114	if (!maybeSave())
	115	return;
[54]	116	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[29]	117	tspmodel->clear();
[47]	118	setFileName();
[37]	119	setWindowModified(false);
[42]	120	tabWidget->setCurrentIndex(0);
	121	solutionText->clear();
[78]	122	toggleSolutionActions(false);
[54]	123	QApplication::restoreOverrideCursor();
[29]	124	}
	125
[31]	126	void MainWindow::actionFileOpenTriggered()
	127	{
[47]	128	if (!maybeSave())
	129	return;
[78]	130
[87]	131	QStringList filters(tr("All Supported Formats") + " (.tspt .zkt)");
	132	filters.append(tr("%1 Task Files").arg("TSPSG") + " (*.tspt)");
	133	filters.append(tr("%1 Task Files").arg("ZKomModRd") + " (*.zkt)");
	134	filters.append(tr("All Files") + " (*)");
[78]	135
[82]	136	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
[87]	137	QString file = QFileDialog::getOpenFileName(this, tr("Task Load"), QString(), filters.join(";;"), NULL, opts);
[78]	138	if (file.isEmpty() \|\| !QFileInfo(file).isFile())
[31]	139	return;
[78]	140	if (!tspmodel->loadTask(file))
[31]	141	return;
[78]	142	setFileName(file);
[47]	143	tabWidget->setCurrentIndex(0);
[37]	144	setWindowModified(false);
[42]	145	solutionText->clear();
[78]	146	toggleSolutionActions(false);
[31]	147	}
	148
[50]	149	void MainWindow::actionFileSaveTriggered()
	150	{
[96]	151	qDebug() << tr("Untitled");
	152	if ((fileName == tr("Untitled") + ".tspt") \|\| (!fileName.endsWith(".tspt", Qt::CaseInsensitive)))
[50]	153	saveTask();
[59]	154	else
[50]	155	if (tspmodel->saveTask(fileName))
	156	setWindowModified(false);
	157	}
	158
[42]	159	void MainWindow::actionFileSaveAsTaskTriggered()
[31]	160	{
[37]	161	saveTask();
	162	}
	163
[42]	164	void MainWindow::actionFileSaveAsSolutionTriggered()
	165	{
	166	static QString selectedFile;
[78]	167	if (selectedFile.isEmpty()) {
[87]	168	if (fileName == tr("Untitled") + ".tspt") {
[55]	169	#ifndef QT_NO_PRINTER
[78]	170	selectedFile = "solution.pdf";
[55]	171	#else
[78]	172	selectedFile = "solution.html";
[55]	173	#endif // QT_NO_PRINTER
[78]	174	} else {
	175	#ifndef QT_NO_PRINTER
	176	selectedFile = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".pdf";
	177	#else
	178	selectedFile = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".html";
	179	#endif // QT_NO_PRINTER
	180	}
	181	}
	182
[55]	183	QStringList filters;
	184	#ifndef QT_NO_PRINTER
[87]	185	filters.append(tr("PDF Files") + " (*.pdf)");
[55]	186	#endif
[87]	187	filters.append(tr("HTML Files") + " (.html .htm)");
[45]	188	#if QT_VERSION >= 0x040500
[87]	189	filters.append(tr("OpenDocument Files") + " (*.odt)");
[45]	190	#endif // QT_VERSION >= 0x040500
[87]	191	filters.append(tr("All Files") + " (*)");
[78]	192
[82]	193	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
	194	QString file = QFileDialog::getSaveFileName(this, QString(), selectedFile, filters.join(";;"), NULL, opts);
[78]	195	if (file.isEmpty())
[42]	196	return;
[78]	197	selectedFile = file;
[51]	198	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[55]	199	#ifndef QT_NO_PRINTER
	200	if (selectedFile.endsWith(".pdf",Qt::CaseInsensitive)) {
	201	QPrinter printer(QPrinter::HighResolution);
	202	printer.setOutputFormat(QPrinter::PdfFormat);
	203	printer.setOutputFileName(selectedFile);
	204	solutionText->document()->print(&printer);
	205	QApplication::restoreOverrideCursor();
	206	return;
	207	}
	208	#endif
[45]	209	#if QT_VERSION >= 0x040500
[42]	210	QTextDocumentWriter dw(selectedFile);
	211	if (!(selectedFile.endsWith(".htm",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".html",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".odt",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".txt",Qt::CaseInsensitive)))
	212	dw.setFormat("plaintext");
	213	dw.write(solutionText->document());
[45]	214	#else
	215	// Qt < 4.5 has no QTextDocumentWriter class
	216	QFile file(selectedFile);
[51]	217	if (!file.open(QFile::WriteOnly)) {
	218	QApplication::restoreOverrideCursor();
[45]	219	return;
[51]	220	}
[45]	221	QTextStream ts(&file);
	222	ts.setCodec(QTextCodec::codecForName("UTF-8"));
	223	ts << solutionText->document()->toHtml("UTF-8");
[51]	224	file.close();
[45]	225	#endif // QT_VERSION >= 0x040500
[51]	226	QApplication::restoreOverrideCursor();
[42]	227	}
	228
[67]	229	#ifndef QT_NO_PRINTER
	230	void MainWindow::actionFilePrintPreviewTriggered()
	231	{
	232	QPrintPreviewDialog ppd(printer, this);
[92]	233	connect(&ppd,SIGNAL(paintRequested(QPrinter )),SLOT(printPreview(QPrinter )));
	234	ppd.exec();
[31]	235	}
	236
[67]	237	void MainWindow::actionFilePrintTriggered()
	238	{
	239	QPrintDialog pd(printer,this);
	240	#if QT_VERSION >= 0x040500
	241	// No such methods in Qt < 4.5
	242	pd.setOption(QAbstractPrintDialog::PrintSelection,false);
	243	pd.setOption(QAbstractPrintDialog::PrintPageRange,false);
	244	#endif
	245	if (pd.exec() != QDialog::Accepted)
	246	return;
	247	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	248	solutionText->document()->print(printer);
	249	QApplication::restoreOverrideCursor();
	250	}
	251	#endif // QT_NO_PRINTER
	252
[29]	253	void MainWindow::actionSettingsPreferencesTriggered()
	254	{
[1]	255	SettingsDialog sd(this);
[42]	256	if (sd.exec() != QDialog::Accepted)
	257	return;
	258	if (sd.colorChanged() \|\| sd.fontChanged()) {
	259	initDocStyleSheet();
[87]	260	if (!output.isEmpty() && sd.colorChanged() && (QMessageBox(QMessageBox::Question,tr("Settings Changed"),tr("You have changed color settings.\nDo you wish to apply them to current solution text?"),QMessageBox::Yes \| QMessageBox::No,this).exec() == QMessageBox::Yes)) {
[42]	261	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	262	solutionText->clear();
	263	solutionText->setHtml(output.join(""));
	264	QApplication::restoreOverrideCursor();
	265	}
	266	}
[92]	267	if (sd.translucencyChanged() != 0) {
	268	toggleTranclucency(sd.translucencyChanged() == 1);
	269	}
[1]	270	}
[6]	271
[67]	272	void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked)
[17]	273	{
[67]	274	if (checked) {
	275	settings->remove("Language");
[94]	276	QMessageBox::information(this, tr("Language change"), tr("Language will be autodetected on next application start."));
[67]	277	} else
[94]	278	settings->setValue("Language", groupSettingsLanguageList->checkedAction()->data().toString());
[52]	279	}
	280
[67]	281	void MainWindow::groupSettingsLanguageListTriggered(QAction *action)
[52]	282	{
[67]	283	if (actionSettingsLanguageAutodetect->isChecked()) {
	284	// We have language autodetection. It needs to be disabled to change language.
[87]	285	if (QMessageBox(QMessageBox::Question,tr("Language change"),tr("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) {
[67]	286	actionSettingsLanguageAutodetect->trigger();
	287	} else
	288	return;
	289	}
[87]	290	bool untitled = (fileName == tr("Untitled") + ".tspt");
[67]	291	if (loadLanguage(action->data().toString())) {
[80]	292	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[67]	293	settings->setValue("Language",action->data().toString());
[80]	294	retranslateUi();
[67]	295	if (untitled)
	296	setFileName();
[80]	297	QApplication::restoreOverrideCursor();
[67]	298	}
[52]	299	}
	300
[67]	301	void MainWindow::actionHelpAboutTriggered()
[52]	302	{
[67]	303	//! \todo TODO: Normal about window :-)
[78]	304	QString title;
[93]	305	#if defined(Q_OS_WINCE) \|\| defined(Q_OS_SYMBIAN)
[78]	306	title += QString::fromUtf8("<b>TSPSG<br>TSP Solver and Generator</b><br>");
	307	#else
	308	title += QString::fromUtf8("<b>TSPSG: TSP Solver and Generator</b><br>");
	309	#endif // Q_OS_WINCE
	310	title += QString::fromUtf8("Version: <b>"BUILD_VERSION"</b><br>");
	311	title += QString::fromUtf8("<b>© 2007-%1 Lёppa</b><br>").arg(QDate::currentDate().toString("yyyy"));
	312	title += QString::fromUtf8("<b><a href=\"http://tspsg.sourceforge.net/\">http://tspsg.sf.net/</a></b><br>");
	313	QString about;
[96]	314	about += QString::fromUtf8("Target OS (ARCH): <b>%1</b><br>").arg(OS);
[78]	315	#ifndef STATIC_BUILD
	316	about += "Qt library (shared):<br>";
[74]	317	about += QString::fromUtf8("    Build time: <b>%1</b><br>").arg(QT_VERSION_STR);
	318	about += QString::fromUtf8("    Runtime: <b>%1</b><br>").arg(qVersion());
[78]	319	#else
	320	about += QString::fromUtf8("Qt library: <b>%1</b> (static)<br>").arg(QT_VERSION_STR);
	321	#endif // STATIC_BUILD
[74]	322	about += QString::fromUtf8("Built on <b>%1</b> at <b>%2</b><br>").arg(__DATE__).arg(__TIME__);
[96]	323	// about += "<br>";
	324	// about += QString::fromUtf8("Id: <b>"VERSIONID"</b><br>");
[74]	325	about += QString::fromUtf8("Algorithm: <b>%1</b><br>").arg(CTSPSolver::getVersionId());
	326	about += "<br>";
	327	about += "TSPSG is free software: you can redistribute it and/or modify it<br>"
	328	"under the terms of the GNU General Public License as published<br>"
	329	"by the Free Software Foundation, either version 3 of the License,<br>"
	330	"or (at your option) any later version.<br>"
	331	"<br>"
	332	"TSPSG is distributed in the hope that it will be useful, but<br>"
	333	"WITHOUT ANY WARRANTY; without even the implied warranty of<br>"
	334	"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>"
	335	"GNU General Public License for more details.<br>"
	336	"<br>"
	337	"You should have received a copy of the GNU General Public License<br>"
	338	"along with TSPSG. If not, see <a href=\"http://www.gnu.org/licenses/\">http://www.gnu.org/licenses/</a>.";
	339
	340	QDialog *dlg = new QDialog(this);
[78]	341	QLabel *lblIcon = new QLabel(dlg),
	342	*lblTitle = new QLabel(dlg);
[74]	343	QTextBrowser *txtAbout = new QTextBrowser(dlg);
[78]	344	QVBoxLayout *vb = new QVBoxLayout();
[74]	345	QHBoxLayout *hb = new QHBoxLayout();
	346	QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok, Qt::Horizontal, dlg);
	347
[78]	348	lblIcon->setPixmap(QPixmap(":/images/tspsg.png").scaledToWidth(logicalDpiX() * 2 / 3, Qt::SmoothTransformation));
	349	lblIcon->setAlignment(Qt::AlignTop);
[80]	350	lblTitle->setOpenExternalLinks(true);
[78]	351	lblTitle->setText(title);
[74]	352
[78]	353	hb->addWidget(lblIcon);
	354	hb->addWidget(lblTitle);
	355	hb->addStretch();
[74]	356
	357	// txtAbout->setTextInteractionFlags(txtAbout->textInteractionFlags() ^ Qt::TextEditable);
	358	txtAbout->setWordWrapMode(QTextOption::NoWrap);
	359	txtAbout->setOpenExternalLinks(true);
	360	txtAbout->setHtml(about);
	361	txtAbout->moveCursor(QTextCursor::Start);
	362
[92]	363	bb->button(QDialogButtonBox::Ok)->setCursor(QCursor(Qt::PointingHandCursor));
	364
[78]	365	vb->addLayout(hb);
	366	vb->addWidget(txtAbout);
	367	vb->addWidget(bb);
[74]	368
[78]	369	dlg->setWindowFlags(Qt::Dialog \| Qt::CustomizeWindowHint \| Qt::WindowTitleHint \| Qt::WindowCloseButtonHint);
[87]	370	dlg->setWindowTitle(tr("About TSPSG"));
[78]	371	dlg->setLayout(vb);
[74]	372
	373	connect(bb, SIGNAL(accepted()), dlg, SLOT(accept()));
	374
[96]	375	#ifdef Q_OS_WIN32
[92]	376	// Adding some eyecandy in Vista and 7 :-)
	377	if (QtWin::isCompositionEnabled()) {
	378	QtWin::enableBlurBehindWindow(dlg, true);
	379	}
[96]	380	#endif // Q_OS_WIN32
[92]	381
[97]	382	dlg->resize(450, 400);
[74]	383	dlg->exec();
	384
	385	delete dlg;
[17]	386	}
	387
[50]	388	void MainWindow::buttonBackToTaskClicked()
	389	{
	390	tabWidget->setCurrentIndex(0);
	391	}
	392
[67]	393	void MainWindow::buttonRandomClicked()
[42]	394	{
[67]	395	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	396	tspmodel->randomize();
	397	QApplication::restoreOverrideCursor();
[42]	398	}
	399
[29]	400	void MainWindow::buttonSolveClicked()
[6]	401	{
[74]	402	TMatrix matrix;
[89]	403	QList<double> row;
[15]	404	int n = spinCities->value();
[13]	405	bool ok;
[15]	406	for (int r = 0; r < n; r++) {
[42]	407	row.clear();
[15]	408	for (int c = 0; c < n; c++) {
[89]	409	row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok));
[15]	410	if (!ok) {
[87]	411	QMessageBox(QMessageBox::Critical,tr("Data error"),tr("Error in cell [Row %1; Column %2]: Invalid data format.").arg(r + 1).arg(c + 1),QMessageBox::Ok,this).exec();
[15]	412	return;
[13]	413	}
	414	}
	415	matrix.append(row);
	416	}
	417	CTSPSolver solver;
[74]	418	SStep *root = solver.solve(n,matrix,this);
[13]	419	if (!root)
[42]	420	return;
	421	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	422	QColor color = settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>();
	423	output.clear();
[87]	424	output.append("<p>" + tr("Variant #%1").arg(spinVariant->value()) + "</p>");
	425	output.append("<p>" + tr("Task:") + "</p>");
[78]	426	outputMatrix(matrix, output);
[42]	427	output.append("<hr>");
[87]	428	output.append("<p>" + tr("Solution of Variant #%1 task").arg(spinVariant->value()) + "</p>");
[74]	429	SStep *step = root;
[42]	430	n = 1;
	431	while (n <= spinCities->value()) {
[74]	432	if (step->prNode->prNode != NULL \|\| ((step->prNode->prNode == NULL) && (step->plNode->prNode == NULL))) {
[42]	433	if (n != spinCities->value()) {
[87]	434	output.append("<p>" + tr("Step #%1").arg(n++) + "</p>");
[91]	435	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())))) {
[78]	436	outputMatrix(*step, output);
	437	}
[87]	438	output.append("<p>" + tr("Selected candidate for branching: %1.").arg(tr("(%1;%2)").arg(step->candidate.nRow + 1).arg(step->candidate.nCol + 1)) + "</p>");
[74]	439	if (!step->alts.empty()) {
[76]	440	SCandidate cand;
[74]	441	QString alts;
	442	foreach(cand, step->alts) {
	443	if (!alts.isEmpty())
	444	alts += ", ";
[87]	445	alts += tr("(%1;%2)").arg(cand.nRow + 1).arg(cand.nCol + 1);
[74]	446	}
[87]	447	output.append("<p class=\"hasalts\">" + tr("%n alternate candidate(s) for branching: %1.","",step->alts.count()).arg(alts) + "</p>");
[74]	448	}
[42]	449	output.append("<p> </p>");
	450	}
	451	}
	452	if (step->prNode->prNode != NULL)
	453	step = step->prNode;
	454	else if (step->plNode->prNode != NULL)
	455	step = step->plNode;
	456	else
	457	break;
	458	}
[60]	459	if (solver.isOptimal())
[87]	460	output.append("<p>" + tr("Optimal path:") + "</p>");
[60]	461	else
[87]	462	output.append("<p>" + tr("Resulting path:") + "</p>");
[60]	463	output.append("<p>  " + solver.getSortedPath() + "</p>");
[81]	464	if (isInteger(step->price))
[93]	465	output.append("<p>" + tr("The price is <b>%n</b> unit(s).", "", qRound(step->price)) + "</p>");
[81]	466	else
[87]	467	output.append("<p>" + tr("The price is <b>%1</b> units.").arg(step->price, 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()) + "</p>");
[60]	468	if (!solver.isOptimal()) {
	469	output.append("<p> </p>");
[87]	470	output.append("<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>");
[60]	471	}
[65]	472	output.append("<p></p>");
[78]	473
[42]	474	solutionText->setHtml(output.join(""));
[87]	475	solutionText->setDocumentTitle(tr("Solution of Variant #%1 task").arg(spinVariant->value()));
[65]	476
[81]	477	if (settings->value("Output/ScrollToEnd", DEF_SCROLL_TO_END).toBool()) {
	478	// Scrolling to the end of text.
	479	solutionText->moveCursor(QTextCursor::End);
	480	}
[65]	481
[78]	482	toggleSolutionActions();
[42]	483	tabWidget->setCurrentIndex(1);
	484	QApplication::restoreOverrideCursor();
[6]	485	}
[21]	486
[67]	487	void MainWindow::dataChanged()
[21]	488	{
[67]	489	setWindowModified(true);
[21]	490	}
	491
[67]	492	void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br)
	493	{
	494	setWindowModified(true);
[82]	495	if (settings->value("Autosize", DEF_AUTOSIZE).toBool()) {
[67]	496	for (int k = tl.row(); k <= br.row(); k++)
	497	taskView->resizeRowToContents(k);
	498	for (int k = tl.column(); k <= br.column(); k++)
	499	taskView->resizeColumnToContents(k);
	500	}
	501	}
	502
[94]	503	#ifdef Q_OS_WINCE
[95]	504	void MainWindow::changeEvent(QEvent *ev)
	505	{
	506	if ((ev->type() == QEvent::ActivationChange) && isActiveWindow())
	507	desktopResized(0);
	508
	509	QWidget::changeEvent(ev);
	510	}
	511
[94]	512	void MainWindow::desktopResized(int screen)
	513	{
[95]	514	if ((screen != 0) \|\| !isActiveWindow())
[94]	515	return;
	516
	517	QRect availableGeometry = QApplication::desktop()->availableGeometry(0);
	518	if (currentGeometry != availableGeometry) {
[95]	519	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[94]	520	/*!
	521	* \hack HACK: This hack checks whether \link QDesktopWidget::availableGeometry() availableGeometry()\endlink's \c top + \c hegiht = \link QDesktopWidget::screenGeometry() screenGeometry()\endlink's \c height.
	522	* If \c true, the window gets maximized. If we used \c setGeometry() in this case, the bottom of the
	523	* window would end up being behind the soft buttons. Is this a bug in Qt or Windows Mobile?
	524	*/
	525	if ((availableGeometry.top() + availableGeometry.height()) == QApplication::desktop()->screenGeometry().height()) {
	526	setWindowState(windowState() \| Qt::WindowMaximized);
	527	} else {
	528	if (windowState() & Qt::WindowMaximized)
	529	setWindowState(windowState() ^ Qt::WindowMaximized);
	530	setGeometry(availableGeometry);
	531	}
[95]	532	currentGeometry = availableGeometry;
	533	QApplication::restoreOverrideCursor();
[94]	534	}
	535	}
	536	#endif // Q_OS_WINCE
	537
[67]	538	void MainWindow::numCitiesChanged(int nCities)
	539	{
	540	blockSignals(true);
	541	spinCities->setValue(nCities);
	542	blockSignals(false);
	543	}
	544
	545	#ifndef QT_NO_PRINTER
	546	void MainWindow::printPreview(QPrinter *printer)
	547	{
	548	solutionText->print(printer);
	549	}
	550	#endif // QT_NO_PRINTER
	551
	552	void MainWindow::spinCitiesValueChanged(int n)
	553	{
[80]	554	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[67]	555	int count = tspmodel->numCities();
	556	tspmodel->setNumCities(n);
[82]	557	if ((n > count) && settings->value("Autosize", DEF_AUTOSIZE).toBool())
[67]	558	for (int k = count; k < n; k++) {
	559	taskView->resizeColumnToContents(k);
	560	taskView->resizeRowToContents(k);
	561	}
[80]	562	QApplication::restoreOverrideCursor();
[67]	563	}
	564
[71]	565	void MainWindow::closeEvent(QCloseEvent *ev)
[69]	566	{
	567	if (!maybeSave()) {
[71]	568	ev->ignore();
[69]	569	return;
	570	}
[95]	571	if (!settings->value("SettingsReset", false).toBool()) {
	572	settings->setValue("NumCities", spinCities->value());
[71]	573
[95]	574	// Saving Main Window state
	575	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
	576	settings->beginGroup("MainWindow");
[93]	577	#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
[95]	578	settings->setValue("Geometry", saveGeometry());
[71]	579	#endif // Q_OS_WINCE
[95]	580	settings->setValue("State", saveState());
	581	settings->endGroup();
	582	}
	583	} else {
	584	settings->remove("SettingsReset");
[69]	585	}
[71]	586
	587	QMainWindow::closeEvent(ev);
[69]	588	}
	589
[67]	590	void MainWindow::initDocStyleSheet()
	591	{
	592	QColor color = settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>();
	593	QColor hilight;
	594	if (color.value() < 192)
	595	hilight.setHsv(color.hue(),color.saturation(),127 + qRound(color.value() / 2));
	596	else
	597	hilight.setHsv(color.hue(),color.saturation(),color.value() / 2);
	598	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;}");
	599	solutionText->document()->setDefaultFont(settings->value("Output/Font",QFont(DEF_FONT_FAMILY,DEF_FONT_SIZE)).value<QFont>());
	600	}
	601
[29]	602	void MainWindow::loadLangList()
	603	{
[96]	604	QDir dir(PATH_L10N, "tspsg_*.qm", QDir::Name \| QDir::IgnoreCase, QDir::Files);
[29]	605	if (!dir.exists())
	606	return;
	607	QFileInfoList langs = dir.entryInfoList();
	608	if (langs.size() <= 0)
	609	return;
	610	QAction *a;
[94]	611	QTranslator t;
	612	QString name;
[29]	613	for (int k = 0; k < langs.size(); k++) {
	614	QFileInfo lang = langs.at(k);
[96]	615	if (lang.completeBaseName().compare("tspsg_en", Qt::CaseInsensitive) && t.load(lang.completeBaseName(), PATH_L10N)) {
[94]	616	name = t.translate("--------", "LANGNAME", "Please, provide a native name of your translation language here.");
	617	a = menuSettingsLanguage->addAction(name);
	618	a->setStatusTip(QString("Set application language to %1").arg(name));
	619	a->setData(lang.completeBaseName().mid(6));
[29]	620	a->setCheckable(true);
	621	a->setActionGroup(groupSettingsLanguageList);
[94]	622	if (settings->value("Language", QLocale::system().name()).toString().startsWith(lang.completeBaseName().mid(6)))
[29]	623	a->setChecked(true);
	624	}
	625	}
	626	}
	627
[71]	628	bool MainWindow::loadLanguage(const QString &lang)
[29]	629	{
[67]	630	// i18n
	631	bool ad = false;
[71]	632	QString lng = lang;
	633	if (lng.isEmpty()) {
[93]	634	ad = settings->value("Language", "").toString().isEmpty();
	635	lng = settings->value("Language", QLocale::system().name()).toString();
[29]	636	}
[67]	637	static QTranslator *qtTranslator; // Qt library translator
	638	if (qtTranslator) {
	639	qApp->removeTranslator(qtTranslator);
	640	delete qtTranslator;
	641	qtTranslator = NULL;
[29]	642	}
[67]	643	static QTranslator *translator; // Application translator
	644	if (translator) {
	645	qApp->removeTranslator(translator);
	646	delete translator;
[80]	647	translator = NULL;
[37]	648	}
[80]	649
	650	if (lng == "en")
	651	return true;
	652
	653	// Trying to load system Qt library translation...
	654	qtTranslator = new QTranslator(this);
[93]	655	if (qtTranslator->load("qt_" + lng, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
[80]	656	qApp->installTranslator(qtTranslator);
	657	else {
	658	// No luck. Let's try to load a bundled one.
[96]	659	if (qtTranslator->load("qt_" + lng, PATH_L10N))
[67]	660	qApp->installTranslator(qtTranslator);
[74]	661	else {
[80]	662	// Qt library translation unavailable
	663	delete qtTranslator;
	664	qtTranslator = NULL;
[74]	665	}
	666	}
[80]	667
[74]	668	// Now let's load application translation.
[80]	669	translator = new QTranslator(this);
[96]	670	if (translator->load("tspsg_" + lng, PATH_L10N))
[74]	671	qApp->installTranslator(translator);
	672	else {
	673	delete translator;
	674	translator = NULL;
[94]	675	if (!ad) {
	676	settings->remove("Language");
	677	if (QApplication::overrideCursor() != 0)
	678	QApplication::restoreOverrideCursor();
	679	if (isVisible())
	680	QMessageBox::warning(this, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
	681	else
	682	QMessageBox::warning(NULL, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
	683	}
[80]	684	return false;
[21]	685	}
[67]	686	return true;
[21]	687	}
[31]	688
[67]	689	bool MainWindow::maybeSave()
[37]	690	{
[67]	691	if (!isWindowModified())
	692	return true;
[87]	693	int res = QMessageBox(QMessageBox::Warning,tr("Unsaved Changes"),tr("Would you like to save changes in current task?"),QMessageBox::Save \| QMessageBox::Discard \| QMessageBox::Cancel,this).exec();
[67]	694	if (res == QMessageBox::Save)
	695	return saveTask();
	696	else if (res == QMessageBox::Cancel)
	697	return false;
	698	else
	699	return true;
[37]	700	}
	701
[74]	702	void MainWindow::outputMatrix(const TMatrix &matrix, QStringList &output)
[57]	703	{
[67]	704	int n = spinCities->value();
	705	QString line="";
	706	output.append("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
	707	for (int r = 0; r < n; r++) {
	708	line = "<tr>";
	709	for (int c = 0; c < n; c++) {
[71]	710	if (matrix.at(r).at(c) == INFINITY)
[67]	711	line += "<td align=\"center\">"INFSTR"</td>";
	712	else
[87]	713	line += isInteger(matrix.at(r).at(c)) ? QString("<td align=\"center\">%1</td>").arg(matrix.at(r).at(c)) : QString("<td align=\"center\">%1</td>").arg(matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt());
[67]	714	}
	715	line += "</tr>";
	716	output.append(line);
[57]	717	}
[67]	718	output.append("</table>");
[57]	719	}
	720
[74]	721	void MainWindow::outputMatrix(const SStep &step, QStringList &output)
	722	{
	723	int n = spinCities->value();
	724	QString line="";
	725	output.append("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
	726	for (int r = 0; r < n; r++) {
	727	line = "<tr>";
	728	for (int c = 0; c < n; c++) {
	729	if (step.matrix.at(r).at(c) == INFINITY)
	730	line += "<td align=\"center\">"INFSTR"</td>";
	731	else if ((r == step.candidate.nRow) && (c == step.candidate.nCol))
[87]	732	line += isInteger(step.matrix.at(r).at(c)) ? QString("<td align=\"center\" class=\"selected\">%1</td>").arg(step.matrix.at(r).at(c)) : QString("<td align=\"center\" class=\"selected\">%1</td>").arg(step.matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt());
[74]	733	else {
[76]	734	SCandidate cand;
[74]	735	cand.nRow = r;
	736	cand.nCol = c;
	737	if (step.alts.contains(cand))
[87]	738	line += isInteger(step.matrix.at(r).at(c)) ? QString("<td align=\"center\" class=\"alternate\">%1</td>").arg(step.matrix.at(r).at(c)) : QString("<td align=\"center\" class=\"alternate\">%1</td>").arg(step.matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt());
[74]	739	else
[87]	740	line += isInteger(step.matrix.at(r).at(c)) ? QString("<td align=\"center\">%1</td>").arg(step.matrix.at(r).at(c)) : QString("<td align=\"center\">%1</td>").arg(step.matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt());
[74]	741	}
	742	}
	743	line += "</tr>";
	744	output.append(line);
	745	}
	746	output.append("</table>");
	747	}
	748
[80]	749	void MainWindow::retranslateUi(bool all)
	750	{
	751	if (all)
	752	Ui::MainWindow::retranslateUi(this);
	753
[94]	754	actionSettingsLanguageEnglish->setStatusTip(tr("Set application language to %1").arg("English"));
	755
[80]	756	#ifndef QT_NO_PRINTER
	757	actionFilePrintPreview->setText(QApplication::translate("MainWindow", "P&rint Preview...", 0, QApplication::UnicodeUTF8));
	758	#ifndef QT_NO_TOOLTIP
	759	actionFilePrintPreview->setToolTip(QApplication::translate("MainWindow", "Preview solution results", 0, QApplication::UnicodeUTF8));
	760	#endif // QT_NO_TOOLTIP
	761	#ifndef QT_NO_STATUSTIP
	762	actionFilePrintPreview->setStatusTip(QApplication::translate("MainWindow", "Preview current solution results before printing", 0, QApplication::UnicodeUTF8));
	763	#endif // QT_NO_STATUSTIP
	764
	765	actionFilePrint->setText(QApplication::translate("MainWindow", "&Print...", 0, QApplication::UnicodeUTF8));
	766	#ifndef QT_NO_TOOLTIP
	767	actionFilePrint->setToolTip(QApplication::translate("MainWindow", "Print solution", 0, QApplication::UnicodeUTF8));
	768	#endif // QT_NO_TOOLTIP
	769	#ifndef QT_NO_STATUSTIP
	770	actionFilePrint->setStatusTip(QApplication::translate("MainWindow", "Print current solution results", 0, QApplication::UnicodeUTF8));
	771	#endif // QT_NO_STATUSTIP
	772	actionFilePrint->setShortcut(QApplication::translate("MainWindow", "Ctrl+P", 0, QApplication::UnicodeUTF8));
	773	#endif // QT_NO_PRINTER
	774	}
	775
[67]	776	bool MainWindow::saveTask() {
[87]	777	QStringList filters(tr("%1 Task File").arg("TSPSG") + " (*.tspt)");
	778	filters.append(tr("All Files") + " (*)");
[78]	779	QString file;
	780	if (fileName.endsWith(".tspt", Qt::CaseInsensitive))
	781	file = fileName;
[67]	782	else
[78]	783	file = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt";
	784
[82]	785	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
[87]	786	file = QFileDialog::getSaveFileName(this, tr("Task Save"), file, filters.join(";;"), NULL, opts);
[80]	787
[78]	788	if (file.isEmpty())
[67]	789	return false;
[78]	790	if (tspmodel->saveTask(file)) {
	791	setFileName(file);
[67]	792	setWindowModified(false);
	793	return true;
	794	}
	795	return false;
	796	}
	797
[71]	798	void MainWindow::setFileName(const QString &fileName)
[31]	799	{
[67]	800	this->fileName = fileName;
[87]	801	setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(tr("Travelling Salesman Problem")));
[31]	802	}
[78]	803
[80]	804	void MainWindow::setupUi()
	805	{
	806	Ui::MainWindow::setupUi(this);
	807
	808	#if QT_VERSION >= 0x040600
	809	setToolButtonStyle(Qt::ToolButtonFollowStyle);
	810	#endif
	811
[93]	812	#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
[80]	813	QStatusBar *statusbar = new QStatusBar(this);
	814	statusbar->setObjectName("statusbar");
	815	setStatusBar(statusbar);
	816	#endif // Q_OS_WINCE
	817
	818	#ifdef Q_OS_WINCE
[92]	819	menuBar()->setDefaultAction(menuFile->menuAction());
[94]	820
	821	QScrollArea *scrollArea = new QScrollArea(this);
	822	scrollArea->setFrameShape(QFrame::NoFrame);
	823	scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
	824	scrollArea->setWidgetResizable(true);
	825	scrollArea->setWidget(tabWidget);
	826	setCentralWidget(scrollArea);
[92]	827	#endif // Q_OS_WINCE
	828
[93]	829	//! \hack HACK: A little hack for toolbar icons to have a sane size.
[92]	830	#ifdef Q_OS_WINCE
[80]	831	toolBar->setIconSize(QSize(logicalDpiX() / 4, logicalDpiY() / 4));
[93]	832	#elif defined(Q_OS_SYMBIAN)
	833	toolBar->setIconSize(QSize(logicalDpiX() / 5, logicalDpiY() / 5));
[92]	834	#endif // Q_OS_WINCE
[80]	835
	836	solutionText->document()->setDefaultFont(settings->value("Output/Font",QFont(DEF_FONT_FAMILY,DEF_FONT_SIZE)).value<QFont>());
	837	solutionText->setTextColor(settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>());
	838	solutionText->setWordWrapMode(QTextOption::WordWrap);
	839
	840	#ifndef QT_NO_PRINTER
	841	actionFilePrintPreview = new QAction(this);
	842	actionFilePrintPreview->setObjectName("actionFilePrintPreview");
	843	actionFilePrintPreview->setEnabled(false);
	844	actionFilePrintPreview->setIcon(QIcon(":/images/icons/document_preview.png"));
	845
	846	actionFilePrint = new QAction(this);
	847	actionFilePrint->setObjectName("actionFilePrint");
	848	actionFilePrint->setEnabled(false);
	849	actionFilePrint->setIcon(QIcon(":/images/icons/fileprint.png"));
	850
	851	menuFile->insertAction(actionFileExit,actionFilePrintPreview);
	852	menuFile->insertAction(actionFileExit,actionFilePrint);
	853	menuFile->insertSeparator(actionFileExit);
	854
	855	toolBar->insertAction(actionSettingsPreferences,actionFilePrint);
	856	#endif // QT_NO_PRINTER
	857
	858	groupSettingsLanguageList = new QActionGroup(this);
	859	actionSettingsLanguageEnglish->setData("en");
	860	actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
	861	loadLangList();
[94]	862	actionSettingsLanguageAutodetect->setChecked(settings->value("Language", "").toString().isEmpty());
[80]	863
	864	spinCities->setMaximum(MAX_NUM_CITIES);
	865
	866	retranslateUi(false);
	867
[96]	868	#ifdef Q_OS_WIN32
[92]	869	// Adding some eyecandy in Vista and 7 :-)
	870	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
	871	toggleTranclucency(true);
	872	}
[96]	873	#endif // Q_OS_WIN32
[80]	874	}
	875
[78]	876	void MainWindow::toggleSolutionActions(bool enable)
	877	{
	878	buttonSaveSolution->setEnabled(enable);
	879	actionFileSaveAsSolution->setEnabled(enable);
	880	solutionText->setEnabled(enable);
	881	if (!enable)
	882	output.clear();
	883	#ifndef QT_NO_PRINTER
	884	actionFilePrint->setEnabled(enable);
	885	actionFilePrintPreview->setEnabled(enable);
	886	#endif // QT_NO_PRINTER
	887	}
[92]	888
	889	void MainWindow::toggleTranclucency(bool enable)
	890	{
[96]	891	#ifdef Q_OS_WIN32
[97]	892	tabWidget->setDocumentMode(enable);
[92]	893	QtWin::enableBlurBehindWindow(this, enable);
[96]	894	#else
	895	Q_UNUSED(enable);
	896	#endif // Q_OS_WIN32
[92]	897	}

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