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source: tspsg-svn/trunk/src/mainwindow.cpp @ 92

Last change on this file since 92 was 92, checked in by laleppa, 15 years ago
+ Some Windows Vista and Windows 7 eyecandy with translucent windows thanks to http://labs.trolltech.com/blogs/2009/09/15/using-blur-behind-on-windows/ :-)
Property svn:keywords set to `Id URL`
File size: 30.7 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 92 2010-02-23 20:21:44Z 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);
[29]	37	loadLanguage();
[80]	38	setupUi();
	39
[42]	40	initDocStyleSheet();
[80]	41
[54]	42	#ifndef QT_NO_PRINTER
[52]	43	printer = new QPrinter(QPrinter::HighResolution);
[54]	44	#endif // QT_NO_PRINTER
[80]	45
[29]	46	connect(actionFileNew,SIGNAL(triggered()),this,SLOT(actionFileNewTriggered()));
[31]	47	connect(actionFileOpen,SIGNAL(triggered()),this,SLOT(actionFileOpenTriggered()));
[50]	48	connect(actionFileSave,SIGNAL(triggered()),this,SLOT(actionFileSaveTriggered()));
[42]	49	connect(actionFileSaveAsTask,SIGNAL(triggered()),this,SLOT(actionFileSaveAsTaskTriggered()));
	50	connect(actionFileSaveAsSolution,SIGNAL(triggered()),this,SLOT(actionFileSaveAsSolutionTriggered()));
[80]	51	#ifndef QT_NO_PRINTER
	52	connect(actionFilePrintPreview,SIGNAL(triggered()),this,SLOT(actionFilePrintPreviewTriggered()));
	53	connect(actionFilePrint,SIGNAL(triggered()),this,SLOT(actionFilePrintTriggered()));
	54	#endif // QT_NO_PRINTER
[29]	55	connect(actionSettingsPreferences,SIGNAL(triggered()),this,SLOT(actionSettingsPreferencesTriggered()));
	56	connect(actionSettingsLanguageAutodetect,SIGNAL(triggered(bool)),this,SLOT(actionSettingsLanguageAutodetectTriggered(bool)));
	57	connect(groupSettingsLanguageList,SIGNAL(triggered(QAction )),this,SLOT(groupSettingsLanguageListTriggered(QAction )));
[37]	58	connect(actionHelpAboutQt,SIGNAL(triggered()),qApp,SLOT(aboutQt()));
[29]	59	connect(actionHelpAbout,SIGNAL(triggered()),this,SLOT(actionHelpAboutTriggered()));
[80]	60
[29]	61	connect(buttonSolve,SIGNAL(clicked()),this,SLOT(buttonSolveClicked()));
	62	connect(buttonRandom,SIGNAL(clicked()),this,SLOT(buttonRandomClicked()));
[50]	63	connect(buttonBackToTask,SIGNAL(clicked()),this,SLOT(buttonBackToTaskClicked()));
[29]	64	connect(spinCities,SIGNAL(valueChanged(int)),this,SLOT(spinCitiesValueChanged(int)));
[71]	65
[82]	66	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
[21]	67	// Loading of saved window state
[23]	68	settings->beginGroup("MainWindow");
[71]	69	#ifndef Q_OS_WINCE
	70	restoreGeometry(settings->value("Geometry").toByteArray());
	71	#endif // Q_OS_WINCE
	72	restoreState(settings->value("State").toByteArray());
[23]	73	settings->endGroup();
[71]	74	#ifndef Q_OS_WINCE
[21]	75	} else {
	76	// Centering main window
[71]	77	QRect rect = geometry();
[21]	78	rect.moveCenter(QApplication::desktop()->availableGeometry(this).center());
	79	setGeometry(rect);
[71]	80	#endif // Q_OS_WINCE
[21]	81	}
[71]	82
	83	tspmodel = new CTSPModel(this);
[52]	84	taskView->setModel(tspmodel);
[31]	85	connect(tspmodel,SIGNAL(numCitiesChanged(int)),this,SLOT(numCitiesChanged(int)));
[57]	86	connect(tspmodel,SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),this,SLOT(dataChanged(const QModelIndex &, const QModelIndex &)));
[37]	87	connect(tspmodel,SIGNAL(layoutChanged()),this,SLOT(dataChanged()));
[50]	88	if ((QCoreApplication::arguments().count() > 1) && (tspmodel->loadTask(QCoreApplication::arguments().at(1))))
[47]	89	setFileName(QCoreApplication::arguments().at(1));
[50]	90	else {
[47]	91	setFileName();
[50]	92	spinCities->setValue(settings->value("NumCities",DEF_NUM_CITIES).toInt());
[52]	93	spinCitiesValueChanged(spinCities->value());
[50]	94	}
	95	setWindowModified(false);
[6]	96	}
	97
[80]	98	MainWindow::~MainWindow()
	99	{
	100	#ifndef QT_NO_PRINTER
	101	delete printer;
	102	#endif
	103	}
	104
[67]	105	/* Privates **********************************************************/
[42]	106
[29]	107	void MainWindow::actionFileNewTriggered()
[1]	108	{
[47]	109	if (!maybeSave())
	110	return;
[54]	111	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[29]	112	tspmodel->clear();
[47]	113	setFileName();
[37]	114	setWindowModified(false);
[42]	115	tabWidget->setCurrentIndex(0);
	116	solutionText->clear();
[78]	117	toggleSolutionActions(false);
[54]	118	QApplication::restoreOverrideCursor();
[29]	119	}
	120
[31]	121	void MainWindow::actionFileOpenTriggered()
	122	{
[47]	123	if (!maybeSave())
	124	return;
[78]	125
[87]	126	QStringList filters(tr("All Supported Formats") + " (.tspt .zkt)");
	127	filters.append(tr("%1 Task Files").arg("TSPSG") + " (*.tspt)");
	128	filters.append(tr("%1 Task Files").arg("ZKomModRd") + " (*.zkt)");
	129	filters.append(tr("All Files") + " (*)");
[78]	130
[82]	131	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
[87]	132	QString file = QFileDialog::getOpenFileName(this, tr("Task Load"), QString(), filters.join(";;"), NULL, opts);
[78]	133	if (file.isEmpty() \|\| !QFileInfo(file).isFile())
[31]	134	return;
[78]	135	if (!tspmodel->loadTask(file))
[31]	136	return;
[78]	137	setFileName(file);
[47]	138	tabWidget->setCurrentIndex(0);
[37]	139	setWindowModified(false);
[42]	140	solutionText->clear();
[78]	141	toggleSolutionActions(false);
[31]	142	}
	143
[50]	144	void MainWindow::actionFileSaveTriggered()
	145	{
[87]	146	if ((fileName == tr("Untitled") + ".tspt") \|\| (!fileName.endsWith(".tspt",Qt::CaseInsensitive)))
[50]	147	saveTask();
[59]	148	else
[50]	149	if (tspmodel->saveTask(fileName))
	150	setWindowModified(false);
	151	}
	152
[42]	153	void MainWindow::actionFileSaveAsTaskTriggered()
[31]	154	{
[37]	155	saveTask();
	156	}
	157
[42]	158	void MainWindow::actionFileSaveAsSolutionTriggered()
	159	{
	160	static QString selectedFile;
[78]	161	if (selectedFile.isEmpty()) {
[87]	162	if (fileName == tr("Untitled") + ".tspt") {
[55]	163	#ifndef QT_NO_PRINTER
[78]	164	selectedFile = "solution.pdf";
[55]	165	#else
[78]	166	selectedFile = "solution.html";
[55]	167	#endif // QT_NO_PRINTER
[78]	168	} else {
	169	#ifndef QT_NO_PRINTER
	170	selectedFile = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".pdf";
	171	#else
	172	selectedFile = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".html";
	173	#endif // QT_NO_PRINTER
	174	}
	175	}
	176
[55]	177	QStringList filters;
	178	#ifndef QT_NO_PRINTER
[87]	179	filters.append(tr("PDF Files") + " (*.pdf)");
[55]	180	#endif
[87]	181	filters.append(tr("HTML Files") + " (.html .htm)");
[45]	182	#if QT_VERSION >= 0x040500
[87]	183	filters.append(tr("OpenDocument Files") + " (*.odt)");
[45]	184	#endif // QT_VERSION >= 0x040500
[87]	185	filters.append(tr("All Files") + " (*)");
[78]	186
[82]	187	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
	188	QString file = QFileDialog::getSaveFileName(this, QString(), selectedFile, filters.join(";;"), NULL, opts);
[78]	189	if (file.isEmpty())
[42]	190	return;
[78]	191	selectedFile = file;
[51]	192	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[55]	193	#ifndef QT_NO_PRINTER
	194	if (selectedFile.endsWith(".pdf",Qt::CaseInsensitive)) {
	195	QPrinter printer(QPrinter::HighResolution);
	196	printer.setOutputFormat(QPrinter::PdfFormat);
	197	printer.setOutputFileName(selectedFile);
	198	solutionText->document()->print(&printer);
	199	QApplication::restoreOverrideCursor();
	200	return;
	201	}
	202	#endif
[45]	203	#if QT_VERSION >= 0x040500
[42]	204	QTextDocumentWriter dw(selectedFile);
	205	if (!(selectedFile.endsWith(".htm",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".html",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".odt",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".txt",Qt::CaseInsensitive)))
	206	dw.setFormat("plaintext");
	207	dw.write(solutionText->document());
[45]	208	#else
	209	// Qt < 4.5 has no QTextDocumentWriter class
	210	QFile file(selectedFile);
[51]	211	if (!file.open(QFile::WriteOnly)) {
	212	QApplication::restoreOverrideCursor();
[45]	213	return;
[51]	214	}
[45]	215	QTextStream ts(&file);
	216	ts.setCodec(QTextCodec::codecForName("UTF-8"));
	217	ts << solutionText->document()->toHtml("UTF-8");
[51]	218	file.close();
[45]	219	#endif // QT_VERSION >= 0x040500
[51]	220	QApplication::restoreOverrideCursor();
[42]	221	}
	222
[67]	223	#ifndef QT_NO_PRINTER
	224	void MainWindow::actionFilePrintPreviewTriggered()
	225	{
	226	QPrintPreviewDialog ppd(printer, this);
[92]	227	connect(&ppd,SIGNAL(paintRequested(QPrinter )),SLOT(printPreview(QPrinter )));
	228	ppd.exec();
[31]	229	}
	230
[67]	231	void MainWindow::actionFilePrintTriggered()
	232	{
	233	QPrintDialog pd(printer,this);
	234	#if QT_VERSION >= 0x040500
	235	// No such methods in Qt < 4.5
	236	pd.setOption(QAbstractPrintDialog::PrintSelection,false);
	237	pd.setOption(QAbstractPrintDialog::PrintPageRange,false);
	238	#endif
	239	if (pd.exec() != QDialog::Accepted)
	240	return;
	241	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	242	solutionText->document()->print(printer);
	243	QApplication::restoreOverrideCursor();
	244	}
	245	#endif // QT_NO_PRINTER
	246
[29]	247	void MainWindow::actionSettingsPreferencesTriggered()
	248	{
[1]	249	SettingsDialog sd(this);
[42]	250	if (sd.exec() != QDialog::Accepted)
	251	return;
	252	if (sd.colorChanged() \|\| sd.fontChanged()) {
	253	initDocStyleSheet();
[87]	254	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]	255	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	256	solutionText->clear();
	257	solutionText->setHtml(output.join(""));
	258	QApplication::restoreOverrideCursor();
	259	}
	260	}
[92]	261	if (sd.translucencyChanged() != 0) {
	262	toggleTranclucency(sd.translucencyChanged() == 1);
	263	}
[1]	264	}
[6]	265
[67]	266	void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked)
[17]	267	{
[67]	268	if (checked) {
	269	settings->remove("Language");
[87]	270	QMessageBox(QMessageBox::Information,tr("Language change"),tr("Language will be autodetected on next application start."),QMessageBox::Ok,this).exec();
[67]	271	} else
	272	settings->setValue("Language",groupSettingsLanguageList->checkedAction()->data().toString());
[52]	273	}
	274
[67]	275	void MainWindow::groupSettingsLanguageListTriggered(QAction *action)
[52]	276	{
[67]	277	if (actionSettingsLanguageAutodetect->isChecked()) {
	278	// We have language autodetection. It needs to be disabled to change language.
[87]	279	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]	280	actionSettingsLanguageAutodetect->trigger();
	281	} else
	282	return;
	283	}
[87]	284	bool untitled = (fileName == tr("Untitled") + ".tspt");
[67]	285	if (loadLanguage(action->data().toString())) {
[80]	286	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[67]	287	settings->setValue("Language",action->data().toString());
[80]	288	retranslateUi();
[67]	289	if (untitled)
	290	setFileName();
[80]	291	QApplication::restoreOverrideCursor();
[67]	292	}
[52]	293	}
	294
[67]	295	void MainWindow::actionHelpAboutTriggered()
[52]	296	{
[67]	297	//! \todo TODO: Normal about window :-)
[78]	298	QString title;
	299	#ifdef Q_OS_WINCE
	300	title += QString::fromUtf8("<b>TSPSG<br>TSP Solver and Generator</b><br>");
	301	#else
	302	title += QString::fromUtf8("<b>TSPSG: TSP Solver and Generator</b><br>");
	303	#endif // Q_OS_WINCE
	304	title += QString::fromUtf8("Version: <b>"BUILD_VERSION"</b><br>");
	305	title += QString::fromUtf8("<b>© 2007-%1 Lёppa</b><br>").arg(QDate::currentDate().toString("yyyy"));
	306	title += QString::fromUtf8("<b><a href=\"http://tspsg.sourceforge.net/\">http://tspsg.sf.net/</a></b><br>");
	307	QString about;
[74]	308	about += QString::fromUtf8("Target OS: <b>%1</b><br>").arg(OS);
[78]	309	#ifndef STATIC_BUILD
	310	about += "Qt library (shared):<br>";
[74]	311	about += QString::fromUtf8("    Build time: <b>%1</b><br>").arg(QT_VERSION_STR);
	312	about += QString::fromUtf8("    Runtime: <b>%1</b><br>").arg(qVersion());
[78]	313	#else
	314	about += QString::fromUtf8("Qt library: <b>%1</b> (static)<br>").arg(QT_VERSION_STR);
	315	#endif // STATIC_BUILD
[74]	316	about += QString::fromUtf8("Built on <b>%1</b> at <b>%2</b><br>").arg(__DATE__).arg(__TIME__);
[78]	317	about += "<br>";
[74]	318	about += QString::fromUtf8("Id: <b>"VERSIONID"</b><br>");
	319	about += QString::fromUtf8("Algorithm: <b>%1</b><br>").arg(CTSPSolver::getVersionId());
	320	about += "<br>";
	321	about += "TSPSG is free software: you can redistribute it and/or modify it<br>"
	322	"under the terms of the GNU General Public License as published<br>"
	323	"by the Free Software Foundation, either version 3 of the License,<br>"
	324	"or (at your option) any later version.<br>"
	325	"<br>"
	326	"TSPSG is distributed in the hope that it will be useful, but<br>"
	327	"WITHOUT ANY WARRANTY; without even the implied warranty of<br>"
	328	"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>"
	329	"GNU General Public License for more details.<br>"
	330	"<br>"
	331	"You should have received a copy of the GNU General Public License<br>"
	332	"along with TSPSG. If not, see <a href=\"http://www.gnu.org/licenses/\">http://www.gnu.org/licenses/</a>.";
	333
	334	QDialog *dlg = new QDialog(this);
[78]	335	QLabel *lblIcon = new QLabel(dlg),
	336	*lblTitle = new QLabel(dlg);
[74]	337	QTextBrowser *txtAbout = new QTextBrowser(dlg);
[78]	338	QVBoxLayout *vb = new QVBoxLayout();
[74]	339	QHBoxLayout *hb = new QHBoxLayout();
	340	QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok, Qt::Horizontal, dlg);
	341
[78]	342	lblIcon->setPixmap(QPixmap(":/images/tspsg.png").scaledToWidth(logicalDpiX() * 2 / 3, Qt::SmoothTransformation));
	343	lblIcon->setAlignment(Qt::AlignTop);
[80]	344	lblTitle->setOpenExternalLinks(true);
[78]	345	lblTitle->setText(title);
[74]	346
[78]	347	hb->addWidget(lblIcon);
	348	hb->addWidget(lblTitle);
	349	hb->addStretch();
[74]	350
	351	// txtAbout->setTextInteractionFlags(txtAbout->textInteractionFlags() ^ Qt::TextEditable);
	352	txtAbout->setWordWrapMode(QTextOption::NoWrap);
	353	txtAbout->setOpenExternalLinks(true);
	354	txtAbout->setHtml(about);
	355	txtAbout->moveCursor(QTextCursor::Start);
	356
[92]	357	bb->button(QDialogButtonBox::Ok)->setCursor(QCursor(Qt::PointingHandCursor));
	358
[78]	359	vb->addLayout(hb);
	360	vb->addWidget(txtAbout);
	361	vb->addWidget(bb);
[74]	362
[78]	363	dlg->setWindowFlags(Qt::Dialog \| Qt::CustomizeWindowHint \| Qt::WindowTitleHint \| Qt::WindowCloseButtonHint);
[87]	364	dlg->setWindowTitle(tr("About TSPSG"));
[78]	365	dlg->setLayout(vb);
[74]	366
	367	connect(bb, SIGNAL(accepted()), dlg, SLOT(accept()));
	368
[92]	369	// Adding some eyecandy in Vista and 7 :-)
	370	if (QtWin::isCompositionEnabled()) {
	371	QtWin::enableBlurBehindWindow(dlg, true);
	372	}
	373
[78]	374	dlg->resize(410, 300);
[74]	375	dlg->exec();
	376
	377	delete dlg;
[17]	378	}
	379
[50]	380	void MainWindow::buttonBackToTaskClicked()
	381	{
	382	tabWidget->setCurrentIndex(0);
	383	}
	384
[67]	385	void MainWindow::buttonRandomClicked()
[42]	386	{
[67]	387	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	388	tspmodel->randomize();
	389	QApplication::restoreOverrideCursor();
[42]	390	}
	391
[29]	392	void MainWindow::buttonSolveClicked()
[6]	393	{
[74]	394	TMatrix matrix;
[89]	395	QList<double> row;
[15]	396	int n = spinCities->value();
[13]	397	bool ok;
[15]	398	for (int r = 0; r < n; r++) {
[42]	399	row.clear();
[15]	400	for (int c = 0; c < n; c++) {
[89]	401	row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok));
[15]	402	if (!ok) {
[87]	403	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]	404	return;
[13]	405	}
	406	}
	407	matrix.append(row);
	408	}
	409	CTSPSolver solver;
[74]	410	SStep *root = solver.solve(n,matrix,this);
[13]	411	if (!root)
[42]	412	return;
	413	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	414	QColor color = settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>();
	415	output.clear();
[87]	416	output.append("<p>" + tr("Variant #%1").arg(spinVariant->value()) + "</p>");
	417	output.append("<p>" + tr("Task:") + "</p>");
[78]	418	outputMatrix(matrix, output);
[42]	419	output.append("<hr>");
[87]	420	output.append("<p>" + tr("Solution of Variant #%1 task").arg(spinVariant->value()) + "</p>");
[74]	421	SStep *step = root;
[42]	422	n = 1;
	423	while (n <= spinCities->value()) {
[74]	424	if (step->prNode->prNode != NULL \|\| ((step->prNode->prNode == NULL) && (step->plNode->prNode == NULL))) {
[42]	425	if (n != spinCities->value()) {
[87]	426	output.append("<p>" + tr("Step #%1").arg(n++) + "</p>");
[91]	427	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]	428	outputMatrix(*step, output);
	429	}
[87]	430	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]	431	if (!step->alts.empty()) {
[76]	432	SCandidate cand;
[74]	433	QString alts;
	434	foreach(cand, step->alts) {
	435	if (!alts.isEmpty())
	436	alts += ", ";
[87]	437	alts += tr("(%1;%2)").arg(cand.nRow + 1).arg(cand.nCol + 1);
[74]	438	}
[87]	439	output.append("<p class=\"hasalts\">" + tr("%n alternate candidate(s) for branching: %1.","",step->alts.count()).arg(alts) + "</p>");
[74]	440	}
[42]	441	output.append("<p> </p>");
	442	}
	443	}
	444	if (step->prNode->prNode != NULL)
	445	step = step->prNode;
	446	else if (step->plNode->prNode != NULL)
	447	step = step->plNode;
	448	else
	449	break;
	450	}
[60]	451	if (solver.isOptimal())
[87]	452	output.append("<p>" + tr("Optimal path:") + "</p>");
[60]	453	else
[87]	454	output.append("<p>" + tr("Resulting path:") + "</p>");
[60]	455	output.append("<p>  " + solver.getSortedPath() + "</p>");
[81]	456	if (isInteger(step->price))
[87]	457	output.append("<p>" + tr("The price is <b>%n</b> unit(s).", "", step->price) + "</p>");
[81]	458	else
[87]	459	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]	460	if (!solver.isOptimal()) {
	461	output.append("<p> </p>");
[87]	462	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]	463	}
[65]	464	output.append("<p></p>");
[78]	465
[42]	466	solutionText->setHtml(output.join(""));
[87]	467	solutionText->setDocumentTitle(tr("Solution of Variant #%1 task").arg(spinVariant->value()));
[65]	468
[81]	469	if (settings->value("Output/ScrollToEnd", DEF_SCROLL_TO_END).toBool()) {
	470	// Scrolling to the end of text.
	471	solutionText->moveCursor(QTextCursor::End);
	472	}
[65]	473
[78]	474	toggleSolutionActions();
[42]	475	tabWidget->setCurrentIndex(1);
	476	QApplication::restoreOverrideCursor();
[6]	477	}
[21]	478
[67]	479	void MainWindow::dataChanged()
[21]	480	{
[67]	481	setWindowModified(true);
[21]	482	}
	483
[67]	484	void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br)
	485	{
	486	setWindowModified(true);
[82]	487	if (settings->value("Autosize", DEF_AUTOSIZE).toBool()) {
[67]	488	for (int k = tl.row(); k <= br.row(); k++)
	489	taskView->resizeRowToContents(k);
	490	for (int k = tl.column(); k <= br.column(); k++)
	491	taskView->resizeColumnToContents(k);
	492	}
	493	}
	494
	495	void MainWindow::numCitiesChanged(int nCities)
	496	{
	497	blockSignals(true);
	498	spinCities->setValue(nCities);
	499	blockSignals(false);
	500	}
	501
	502	#ifndef QT_NO_PRINTER
	503	void MainWindow::printPreview(QPrinter *printer)
	504	{
	505	solutionText->print(printer);
	506	}
	507	#endif // QT_NO_PRINTER
	508
	509	void MainWindow::spinCitiesValueChanged(int n)
	510	{
[80]	511	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[67]	512	int count = tspmodel->numCities();
	513	tspmodel->setNumCities(n);
[82]	514	if ((n > count) && settings->value("Autosize", DEF_AUTOSIZE).toBool())
[67]	515	for (int k = count; k < n; k++) {
	516	taskView->resizeColumnToContents(k);
	517	taskView->resizeRowToContents(k);
	518	}
[80]	519	QApplication::restoreOverrideCursor();
[67]	520	}
	521
[71]	522	void MainWindow::closeEvent(QCloseEvent *ev)
[69]	523	{
	524	if (!maybeSave()) {
[71]	525	ev->ignore();
[69]	526	return;
	527	}
[71]	528	settings->setValue("NumCities", spinCities->value());
	529
	530	// Saving Main Window state
[82]	531	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
[71]	532	settings->beginGroup("MainWindow");
[69]	533	#ifndef Q_OS_WINCE
[71]	534	settings->setValue("Geometry", saveGeometry());
	535	#endif // Q_OS_WINCE
	536	settings->setValue("State", saveState());
[69]	537	settings->endGroup();
	538	}
[71]	539
	540	QMainWindow::closeEvent(ev);
[69]	541	}
	542
[67]	543	void MainWindow::initDocStyleSheet()
	544	{
	545	QColor color = settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>();
	546	QColor hilight;
	547	if (color.value() < 192)
	548	hilight.setHsv(color.hue(),color.saturation(),127 + qRound(color.value() / 2));
	549	else
	550	hilight.setHsv(color.hue(),color.saturation(),color.value() / 2);
	551	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;}");
	552	solutionText->document()->setDefaultFont(settings->value("Output/Font",QFont(DEF_FONT_FAMILY,DEF_FONT_SIZE)).value<QFont>());
	553	}
	554
[29]	555	void MainWindow::loadLangList()
	556	{
[57]	557	QSettings langinfo(PATH_I18N"/languages.ini",QSettings::IniFormat);
[33]	558	#if QT_VERSION >= 0x040500
	559	// In Qt < 4.5 QSettings doesn't have method setIniCodec.
[29]	560	langinfo.setIniCodec("UTF-8");
[33]	561	#endif
[57]	562	QDir dir(PATH_I18N,"*.qm",QDir::Name \| QDir::IgnoreCase,QDir::Files);
[29]	563	if (!dir.exists())
	564	return;
	565	QFileInfoList langs = dir.entryInfoList();
	566	if (langs.size() <= 0)
	567	return;
	568	QAction *a;
	569	for (int k = 0; k < langs.size(); k++) {
	570	QFileInfo lang = langs.at(k);
[30]	571	if (!lang.completeBaseName().startsWith("qt_") && lang.completeBaseName().compare("en")) {
[33]	572	#if QT_VERSION >= 0x040500
[29]	573	a = menuSettingsLanguage->addAction(langinfo.value(lang.completeBaseName() + "/NativeName",lang.completeBaseName()).toString());
[33]	574	#else
	575	// We use Name if Qt < 4.5 because NativeName is in UTF-8, QSettings
	576	// reads .ini file as ASCII and there is no way to set file encoding.
	577	a = menuSettingsLanguage->addAction(langinfo.value(lang.completeBaseName() + "/Name",lang.completeBaseName()).toString());
	578	#endif
[29]	579	a->setData(lang.completeBaseName());
	580	a->setCheckable(true);
	581	a->setActionGroup(groupSettingsLanguageList);
	582	if (settings->value("Language",QLocale::system().name()).toString().startsWith(lang.completeBaseName()))
	583	a->setChecked(true);
	584	}
	585	}
	586	}
	587
[71]	588	bool MainWindow::loadLanguage(const QString &lang)
[29]	589	{
[67]	590	// i18n
	591	bool ad = false;
[71]	592	QString lng = lang;
	593	if (lng.isEmpty()) {
[67]	594	ad = settings->value("Language","").toString().isEmpty();
[71]	595	lng = settings->value("Language",QLocale::system().name()).toString();
[29]	596	}
[67]	597	static QTranslator *qtTranslator; // Qt library translator
	598	if (qtTranslator) {
	599	qApp->removeTranslator(qtTranslator);
	600	delete qtTranslator;
	601	qtTranslator = NULL;
[29]	602	}
[67]	603	static QTranslator *translator; // Application translator
	604	if (translator) {
	605	qApp->removeTranslator(translator);
	606	delete translator;
[80]	607	translator = NULL;
[37]	608	}
[80]	609
	610	if (lng == "en")
	611	return true;
	612
	613	// Trying to load system Qt library translation...
	614	qtTranslator = new QTranslator(this);
	615	if (qtTranslator->load("qt_" + lng,QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
	616	qApp->installTranslator(qtTranslator);
	617	else {
	618	// No luck. Let's try to load a bundled one.
	619	if (qtTranslator->load("qt_" + lng,PATH_I18N))
[67]	620	qApp->installTranslator(qtTranslator);
[74]	621	else {
[80]	622	// Qt library translation unavailable
	623	delete qtTranslator;
	624	qtTranslator = NULL;
[74]	625	}
	626	}
[80]	627
[74]	628	// Now let's load application translation.
[80]	629	translator = new QTranslator(this);
[74]	630	if (translator->load(lng,PATH_I18N))
	631	qApp->installTranslator(translator);
	632	else {
	633	delete translator;
	634	translator = NULL;
[80]	635	if (!ad)
[87]	636	QMessageBox(QMessageBox::Warning,tr("Language Change"),tr("Unable to load translation language."),QMessageBox::Ok,this).exec();
[80]	637	return false;
[21]	638	}
[67]	639	return true;
[21]	640	}
[31]	641
[67]	642	bool MainWindow::maybeSave()
[37]	643	{
[67]	644	if (!isWindowModified())
	645	return true;
[87]	646	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]	647	if (res == QMessageBox::Save)
	648	return saveTask();
	649	else if (res == QMessageBox::Cancel)
	650	return false;
	651	else
	652	return true;
[37]	653	}
	654
[74]	655	void MainWindow::outputMatrix(const TMatrix &matrix, QStringList &output)
[57]	656	{
[67]	657	int n = spinCities->value();
	658	QString line="";
	659	output.append("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
	660	for (int r = 0; r < n; r++) {
	661	line = "<tr>";
	662	for (int c = 0; c < n; c++) {
[71]	663	if (matrix.at(r).at(c) == INFINITY)
[67]	664	line += "<td align=\"center\">"INFSTR"</td>";
	665	else
[87]	666	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]	667	}
	668	line += "</tr>";
	669	output.append(line);
[57]	670	}
[67]	671	output.append("</table>");
[57]	672	}
	673
[74]	674	void MainWindow::outputMatrix(const SStep &step, QStringList &output)
	675	{
	676	int n = spinCities->value();
	677	QString line="";
	678	output.append("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
	679	for (int r = 0; r < n; r++) {
	680	line = "<tr>";
	681	for (int c = 0; c < n; c++) {
	682	if (step.matrix.at(r).at(c) == INFINITY)
	683	line += "<td align=\"center\">"INFSTR"</td>";
	684	else if ((r == step.candidate.nRow) && (c == step.candidate.nCol))
[87]	685	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]	686	else {
[76]	687	SCandidate cand;
[74]	688	cand.nRow = r;
	689	cand.nCol = c;
	690	if (step.alts.contains(cand))
[87]	691	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]	692	else
[87]	693	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]	694	}
	695	}
	696	line += "</tr>";
	697	output.append(line);
	698	}
	699	output.append("</table>");
	700	}
	701
[80]	702	void MainWindow::retranslateUi(bool all)
	703	{
	704	if (all)
	705	Ui::MainWindow::retranslateUi(this);
	706
	707	#ifndef QT_NO_PRINTER
	708	actionFilePrintPreview->setText(QApplication::translate("MainWindow", "P&rint Preview...", 0, QApplication::UnicodeUTF8));
	709	#ifndef QT_NO_TOOLTIP
	710	actionFilePrintPreview->setToolTip(QApplication::translate("MainWindow", "Preview solution results", 0, QApplication::UnicodeUTF8));
	711	#endif // QT_NO_TOOLTIP
	712	#ifndef QT_NO_STATUSTIP
	713	actionFilePrintPreview->setStatusTip(QApplication::translate("MainWindow", "Preview current solution results before printing", 0, QApplication::UnicodeUTF8));
	714	#endif // QT_NO_STATUSTIP
	715
	716	actionFilePrint->setText(QApplication::translate("MainWindow", "&Print...", 0, QApplication::UnicodeUTF8));
	717	#ifndef QT_NO_TOOLTIP
	718	actionFilePrint->setToolTip(QApplication::translate("MainWindow", "Print solution", 0, QApplication::UnicodeUTF8));
	719	#endif // QT_NO_TOOLTIP
	720	#ifndef QT_NO_STATUSTIP
	721	actionFilePrint->setStatusTip(QApplication::translate("MainWindow", "Print current solution results", 0, QApplication::UnicodeUTF8));
	722	#endif // QT_NO_STATUSTIP
	723	actionFilePrint->setShortcut(QApplication::translate("MainWindow", "Ctrl+P", 0, QApplication::UnicodeUTF8));
	724	#endif // QT_NO_PRINTER
	725	}
	726
[67]	727	bool MainWindow::saveTask() {
[87]	728	QStringList filters(tr("%1 Task File").arg("TSPSG") + " (*.tspt)");
	729	filters.append(tr("All Files") + " (*)");
[78]	730	QString file;
	731	if (fileName.endsWith(".tspt", Qt::CaseInsensitive))
	732	file = fileName;
[67]	733	else
[78]	734	file = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt";
	735
[82]	736	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
[87]	737	file = QFileDialog::getSaveFileName(this, tr("Task Save"), file, filters.join(";;"), NULL, opts);
[80]	738
[78]	739	if (file.isEmpty())
[67]	740	return false;
[78]	741	if (tspmodel->saveTask(file)) {
	742	setFileName(file);
[67]	743	setWindowModified(false);
	744	return true;
	745	}
	746	return false;
	747	}
	748
[71]	749	void MainWindow::setFileName(const QString &fileName)
[31]	750	{
[67]	751	this->fileName = fileName;
[87]	752	setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(tr("Travelling Salesman Problem")));
[31]	753	}
[78]	754
[80]	755	void MainWindow::setupUi()
	756	{
	757	Ui::MainWindow::setupUi(this);
	758
	759	#if QT_VERSION >= 0x040600
	760	setToolButtonStyle(Qt::ToolButtonFollowStyle);
	761	#endif
	762
	763	#ifndef Q_OS_WINCE
	764	QStatusBar *statusbar = new QStatusBar(this);
	765	statusbar->setObjectName("statusbar");
	766	setStatusBar(statusbar);
	767	#endif // Q_OS_WINCE
	768
	769	#ifdef Q_OS_WINCE
[92]	770	menuBar()->setDefaultAction(menuFile->menuAction());
	771	#endif // Q_OS_WINCE
	772
	773	#ifdef Q_OS_WINCE
[80]	774	//! \hack HACK: A little hack for toolbar icons to have a sane size.
	775	toolBar->setIconSize(QSize(logicalDpiX() / 4, logicalDpiY() / 4));
[92]	776	#endif // Q_OS_WINCE
[80]	777
	778	solutionText->document()->setDefaultFont(settings->value("Output/Font",QFont(DEF_FONT_FAMILY,DEF_FONT_SIZE)).value<QFont>());
	779	solutionText->setTextColor(settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>());
	780	solutionText->setWordWrapMode(QTextOption::WordWrap);
	781
	782	#ifndef QT_NO_PRINTER
	783	actionFilePrintPreview = new QAction(this);
	784	actionFilePrintPreview->setObjectName("actionFilePrintPreview");
	785	actionFilePrintPreview->setEnabled(false);
	786	actionFilePrintPreview->setIcon(QIcon(":/images/icons/document_preview.png"));
	787
	788	actionFilePrint = new QAction(this);
	789	actionFilePrint->setObjectName("actionFilePrint");
	790	actionFilePrint->setEnabled(false);
	791	actionFilePrint->setIcon(QIcon(":/images/icons/fileprint.png"));
	792
	793	menuFile->insertAction(actionFileExit,actionFilePrintPreview);
	794	menuFile->insertAction(actionFileExit,actionFilePrint);
	795	menuFile->insertSeparator(actionFileExit);
	796
	797	toolBar->insertAction(actionSettingsPreferences,actionFilePrint);
	798	#endif // QT_NO_PRINTER
	799
	800	groupSettingsLanguageList = new QActionGroup(this);
	801	actionSettingsLanguageEnglish->setData("en");
	802	actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
	803	loadLangList();
	804	actionSettingsLanguageAutodetect->setChecked(settings->value("Language","").toString().isEmpty());
	805
	806	spinCities->setMaximum(MAX_NUM_CITIES);
	807
	808	retranslateUi(false);
	809
[92]	810	// Adding some eyecandy in Vista and 7 :-)
	811	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
	812	toggleTranclucency(true);
	813	}
[80]	814	}
	815
[78]	816	void MainWindow::toggleSolutionActions(bool enable)
	817	{
	818	buttonSaveSolution->setEnabled(enable);
	819	actionFileSaveAsSolution->setEnabled(enable);
	820	solutionText->setEnabled(enable);
	821	if (!enable)
	822	output.clear();
	823	#ifndef QT_NO_PRINTER
	824	actionFilePrint->setEnabled(enable);
	825	actionFilePrintPreview->setEnabled(enable);
	826	#endif // QT_NO_PRINTER
	827	}
[92]	828
	829	void MainWindow::toggleTranclucency(bool enable)
	830	{
	831	QtWin::enableBlurBehindWindow(this, enable);
	832	QtWin::enableBlurBehindWindow(tabWidget, enable);
	833
	834	if (QtWin::enableBlurBehindWindow(tabTask, enable))
	835	tabTask->setAutoFillBackground(enable);
	836	if (QtWin::enableBlurBehindWindow(tabSolution, enable))
	837	tabSolution->setAutoFillBackground(enable);
	838	}

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