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source: tspsg-svn/trunk/src/mainwindow.cpp @ 94

Last change on this file since 94 was 94, checked in by laleppa, 15 years ago

+ Added SIP show/hide handling under wince.

Renamed translation files to follow common conventions.
Language name is now stored in the translation file. No need for language.ini anymore.
Updated translations.

Property svn:keywords set to Id URL

File size: 32.6 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 94 2010-02-25 20:48:46Z 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)
[82]	73	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
[21]	74	// Loading of saved window state
[23]	75	settings->beginGroup("MainWindow");
[71]	76	restoreGeometry(settings->value("Geometry").toByteArray());
	77	restoreState(settings->value("State").toByteArray());
[23]	78	settings->endGroup();
[21]	79	} else {
	80	// Centering main window
[71]	81	QRect rect = geometry();
[21]	82	rect.moveCenter(QApplication::desktop()->availableGeometry(this).center());
	83	setGeometry(rect);
[93]	84	}
	85	#else
[94]	86	setWindowState(Qt::WindowMaximized);
[71]	87	#endif // Q_OS_WINCE
	88
	89	tspmodel = new CTSPModel(this);
[52]	90	taskView->setModel(tspmodel);
[31]	91	connect(tspmodel,SIGNAL(numCitiesChanged(int)),this,SLOT(numCitiesChanged(int)));
[57]	92	connect(tspmodel,SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),this,SLOT(dataChanged(const QModelIndex &, const QModelIndex &)));
[37]	93	connect(tspmodel,SIGNAL(layoutChanged()),this,SLOT(dataChanged()));
[50]	94	if ((QCoreApplication::arguments().count() > 1) && (tspmodel->loadTask(QCoreApplication::arguments().at(1))))
[47]	95	setFileName(QCoreApplication::arguments().at(1));
[50]	96	else {
[47]	97	setFileName();
[50]	98	spinCities->setValue(settings->value("NumCities",DEF_NUM_CITIES).toInt());
[52]	99	spinCitiesValueChanged(spinCities->value());
[50]	100	}
	101	setWindowModified(false);
[6]	102	}
	103
[80]	104	MainWindow::~MainWindow()
	105	{
	106	#ifndef QT_NO_PRINTER
	107	delete printer;
	108	#endif
	109	}
	110
[67]	111	/* Privates **********************************************************/
[42]	112
[29]	113	void MainWindow::actionFileNewTriggered()
[1]	114	{
[47]	115	if (!maybeSave())
	116	return;
[54]	117	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[29]	118	tspmodel->clear();
[47]	119	setFileName();
[37]	120	setWindowModified(false);
[42]	121	tabWidget->setCurrentIndex(0);
	122	solutionText->clear();
[78]	123	toggleSolutionActions(false);
[54]	124	QApplication::restoreOverrideCursor();
[29]	125	}
	126
[31]	127	void MainWindow::actionFileOpenTriggered()
	128	{
[47]	129	if (!maybeSave())
	130	return;
[78]	131
[87]	132	QStringList filters(tr("All Supported Formats") + " (.tspt .zkt)");
	133	filters.append(tr("%1 Task Files").arg("TSPSG") + " (*.tspt)");
	134	filters.append(tr("%1 Task Files").arg("ZKomModRd") + " (*.zkt)");
	135	filters.append(tr("All Files") + " (*)");
[78]	136
[82]	137	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
[87]	138	QString file = QFileDialog::getOpenFileName(this, tr("Task Load"), QString(), filters.join(";;"), NULL, opts);
[78]	139	if (file.isEmpty() \|\| !QFileInfo(file).isFile())
[31]	140	return;
[78]	141	if (!tspmodel->loadTask(file))
[31]	142	return;
[78]	143	setFileName(file);
[47]	144	tabWidget->setCurrentIndex(0);
[37]	145	setWindowModified(false);
[42]	146	solutionText->clear();
[78]	147	toggleSolutionActions(false);
[31]	148	}
	149
[50]	150	void MainWindow::actionFileSaveTriggered()
	151	{
[87]	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;
[74]	314	about += QString::fromUtf8("Target OS: <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__);
[78]	323	about += "<br>";
[74]	324	about += QString::fromUtf8("Id: <b>"VERSIONID"</b><br>");
	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
[92]	375	// Adding some eyecandy in Vista and 7 :-)
	376	if (QtWin::isCompositionEnabled()) {
	377	QtWin::enableBlurBehindWindow(dlg, true);
	378	}
	379
[78]	380	dlg->resize(410, 300);
[74]	381	dlg->exec();
	382
	383	delete dlg;
[17]	384	}
	385
[50]	386	void MainWindow::buttonBackToTaskClicked()
	387	{
	388	tabWidget->setCurrentIndex(0);
	389	}
	390
[67]	391	void MainWindow::buttonRandomClicked()
[42]	392	{
[67]	393	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	394	tspmodel->randomize();
	395	QApplication::restoreOverrideCursor();
[42]	396	}
	397
[29]	398	void MainWindow::buttonSolveClicked()
[6]	399	{
[74]	400	TMatrix matrix;
[89]	401	QList<double> row;
[15]	402	int n = spinCities->value();
[13]	403	bool ok;
[15]	404	for (int r = 0; r < n; r++) {
[42]	405	row.clear();
[15]	406	for (int c = 0; c < n; c++) {
[89]	407	row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok));
[15]	408	if (!ok) {
[87]	409	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]	410	return;
[13]	411	}
	412	}
	413	matrix.append(row);
	414	}
	415	CTSPSolver solver;
[74]	416	SStep *root = solver.solve(n,matrix,this);
[13]	417	if (!root)
[42]	418	return;
	419	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	420	QColor color = settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>();
	421	output.clear();
[87]	422	output.append("<p>" + tr("Variant #%1").arg(spinVariant->value()) + "</p>");
	423	output.append("<p>" + tr("Task:") + "</p>");
[78]	424	outputMatrix(matrix, output);
[42]	425	output.append("<hr>");
[87]	426	output.append("<p>" + tr("Solution of Variant #%1 task").arg(spinVariant->value()) + "</p>");
[74]	427	SStep *step = root;
[42]	428	n = 1;
	429	while (n <= spinCities->value()) {
[74]	430	if (step->prNode->prNode != NULL \|\| ((step->prNode->prNode == NULL) && (step->plNode->prNode == NULL))) {
[42]	431	if (n != spinCities->value()) {
[87]	432	output.append("<p>" + tr("Step #%1").arg(n++) + "</p>");
[91]	433	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]	434	outputMatrix(*step, output);
	435	}
[87]	436	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]	437	if (!step->alts.empty()) {
[76]	438	SCandidate cand;
[74]	439	QString alts;
	440	foreach(cand, step->alts) {
	441	if (!alts.isEmpty())
	442	alts += ", ";
[87]	443	alts += tr("(%1;%2)").arg(cand.nRow + 1).arg(cand.nCol + 1);
[74]	444	}
[87]	445	output.append("<p class=\"hasalts\">" + tr("%n alternate candidate(s) for branching: %1.","",step->alts.count()).arg(alts) + "</p>");
[74]	446	}
[42]	447	output.append("<p> </p>");
	448	}
	449	}
	450	if (step->prNode->prNode != NULL)
	451	step = step->prNode;
	452	else if (step->plNode->prNode != NULL)
	453	step = step->plNode;
	454	else
	455	break;
	456	}
[60]	457	if (solver.isOptimal())
[87]	458	output.append("<p>" + tr("Optimal path:") + "</p>");
[60]	459	else
[87]	460	output.append("<p>" + tr("Resulting path:") + "</p>");
[60]	461	output.append("<p>  " + solver.getSortedPath() + "</p>");
[81]	462	if (isInteger(step->price))
[93]	463	output.append("<p>" + tr("The price is <b>%n</b> unit(s).", "", qRound(step->price)) + "</p>");
[81]	464	else
[87]	465	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]	466	if (!solver.isOptimal()) {
	467	output.append("<p> </p>");
[87]	468	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]	469	}
[65]	470	output.append("<p></p>");
[78]	471
[42]	472	solutionText->setHtml(output.join(""));
[87]	473	solutionText->setDocumentTitle(tr("Solution of Variant #%1 task").arg(spinVariant->value()));
[65]	474
[81]	475	if (settings->value("Output/ScrollToEnd", DEF_SCROLL_TO_END).toBool()) {
	476	// Scrolling to the end of text.
	477	solutionText->moveCursor(QTextCursor::End);
	478	}
[65]	479
[78]	480	toggleSolutionActions();
[42]	481	tabWidget->setCurrentIndex(1);
	482	QApplication::restoreOverrideCursor();
[6]	483	}
[21]	484
[67]	485	void MainWindow::dataChanged()
[21]	486	{
[67]	487	setWindowModified(true);
[21]	488	}
	489
[67]	490	void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br)
	491	{
	492	setWindowModified(true);
[82]	493	if (settings->value("Autosize", DEF_AUTOSIZE).toBool()) {
[67]	494	for (int k = tl.row(); k <= br.row(); k++)
	495	taskView->resizeRowToContents(k);
	496	for (int k = tl.column(); k <= br.column(); k++)
	497	taskView->resizeColumnToContents(k);
	498	}
	499	}
	500
[94]	501	#ifdef Q_OS_WINCE
	502	void MainWindow::desktopResized(int screen)
	503	{
	504	if (screen != 0)
	505	return;
	506
	507	QRect availableGeometry = QApplication::desktop()->availableGeometry(0);
	508	if (currentGeometry != availableGeometry) {
	509	/*!
	510	* \hack HACK: This hack checks whether \link QDesktopWidget::availableGeometry() availableGeometry()\endlink's \c top + \c hegiht = \link QDesktopWidget::screenGeometry() screenGeometry()\endlink's \c height.
	511	* If \c true, the window gets maximized. If we used \c setGeometry() in this case, the bottom of the
	512	* window would end up being behind the soft buttons. Is this a bug in Qt or Windows Mobile?
	513	*/
	514	if ((availableGeometry.top() + availableGeometry.height()) == QApplication::desktop()->screenGeometry().height()) {
	515	setWindowState(windowState() \| Qt::WindowMaximized);
	516	} else {
	517	if (windowState() & Qt::WindowMaximized)
	518	setWindowState(windowState() ^ Qt::WindowMaximized);
	519	setGeometry(availableGeometry);
	520	}
	521	}
	522	currentGeometry = availableGeometry;
	523	}
	524	#endif // Q_OS_WINCE
	525
[67]	526	void MainWindow::numCitiesChanged(int nCities)
	527	{
	528	blockSignals(true);
	529	spinCities->setValue(nCities);
	530	blockSignals(false);
	531	}
	532
	533	#ifndef QT_NO_PRINTER
	534	void MainWindow::printPreview(QPrinter *printer)
	535	{
	536	solutionText->print(printer);
	537	}
	538	#endif // QT_NO_PRINTER
	539
	540	void MainWindow::spinCitiesValueChanged(int n)
	541	{
[80]	542	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[67]	543	int count = tspmodel->numCities();
	544	tspmodel->setNumCities(n);
[82]	545	if ((n > count) && settings->value("Autosize", DEF_AUTOSIZE).toBool())
[67]	546	for (int k = count; k < n; k++) {
	547	taskView->resizeColumnToContents(k);
	548	taskView->resizeRowToContents(k);
	549	}
[80]	550	QApplication::restoreOverrideCursor();
[67]	551	}
	552
[71]	553	void MainWindow::closeEvent(QCloseEvent *ev)
[69]	554	{
	555	if (!maybeSave()) {
[71]	556	ev->ignore();
[69]	557	return;
	558	}
[71]	559	settings->setValue("NumCities", spinCities->value());
	560
	561	// Saving Main Window state
[82]	562	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
[71]	563	settings->beginGroup("MainWindow");
[93]	564	#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
[71]	565	settings->setValue("Geometry", saveGeometry());
	566	#endif // Q_OS_WINCE
	567	settings->setValue("State", saveState());
[69]	568	settings->endGroup();
	569	}
[71]	570
	571	QMainWindow::closeEvent(ev);
[69]	572	}
	573
[67]	574	void MainWindow::initDocStyleSheet()
	575	{
	576	QColor color = settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>();
	577	QColor hilight;
	578	if (color.value() < 192)
	579	hilight.setHsv(color.hue(),color.saturation(),127 + qRound(color.value() / 2));
	580	else
	581	hilight.setHsv(color.hue(),color.saturation(),color.value() / 2);
	582	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;}");
	583	solutionText->document()->setDefaultFont(settings->value("Output/Font",QFont(DEF_FONT_FAMILY,DEF_FONT_SIZE)).value<QFont>());
	584	}
	585
[29]	586	void MainWindow::loadLangList()
	587	{
[94]	588	QDir dir(PATH_I18N, "tspsg_*.qm", QDir::Name \| QDir::IgnoreCase, QDir::Files);
[29]	589	if (!dir.exists())
	590	return;
	591	QFileInfoList langs = dir.entryInfoList();
	592	if (langs.size() <= 0)
	593	return;
	594	QAction *a;
[94]	595	QTranslator t;
	596	QString name;
[29]	597	for (int k = 0; k < langs.size(); k++) {
	598	QFileInfo lang = langs.at(k);
[94]	599	if (lang.completeBaseName().compare("tspsg_en", Qt::CaseInsensitive) && t.load(lang.completeBaseName(), PATH_I18N)) {
	600	name = t.translate("--------", "LANGNAME", "Please, provide a native name of your translation language here.");
	601	a = menuSettingsLanguage->addAction(name);
	602	a->setStatusTip(QString("Set application language to %1").arg(name));
	603	a->setData(lang.completeBaseName().mid(6));
[29]	604	a->setCheckable(true);
	605	a->setActionGroup(groupSettingsLanguageList);
[94]	606	if (settings->value("Language", QLocale::system().name()).toString().startsWith(lang.completeBaseName().mid(6)))
[29]	607	a->setChecked(true);
	608	}
	609	}
	610	}
	611
[71]	612	bool MainWindow::loadLanguage(const QString &lang)
[29]	613	{
[67]	614	// i18n
	615	bool ad = false;
[71]	616	QString lng = lang;
	617	if (lng.isEmpty()) {
[93]	618	ad = settings->value("Language", "").toString().isEmpty();
	619	lng = settings->value("Language", QLocale::system().name()).toString();
[29]	620	}
[67]	621	static QTranslator *qtTranslator; // Qt library translator
	622	if (qtTranslator) {
	623	qApp->removeTranslator(qtTranslator);
	624	delete qtTranslator;
	625	qtTranslator = NULL;
[29]	626	}
[67]	627	static QTranslator *translator; // Application translator
	628	if (translator) {
	629	qApp->removeTranslator(translator);
	630	delete translator;
[80]	631	translator = NULL;
[37]	632	}
[80]	633
	634	if (lng == "en")
	635	return true;
	636
	637	// Trying to load system Qt library translation...
	638	qtTranslator = new QTranslator(this);
[93]	639	if (qtTranslator->load("qt_" + lng, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
[80]	640	qApp->installTranslator(qtTranslator);
	641	else {
	642	// No luck. Let's try to load a bundled one.
[93]	643	if (qtTranslator->load("qt_" + lng, PATH_I18N))
[67]	644	qApp->installTranslator(qtTranslator);
[74]	645	else {
[80]	646	// Qt library translation unavailable
	647	delete qtTranslator;
	648	qtTranslator = NULL;
[74]	649	}
	650	}
[80]	651
[74]	652	// Now let's load application translation.
[80]	653	translator = new QTranslator(this);
[94]	654	if (translator->load("tspsg_" + lng, PATH_I18N))
[74]	655	qApp->installTranslator(translator);
	656	else {
	657	delete translator;
	658	translator = NULL;
[94]	659	if (!ad) {
	660	settings->remove("Language");
	661	if (QApplication::overrideCursor() != 0)
	662	QApplication::restoreOverrideCursor();
	663	if (isVisible())
	664	QMessageBox::warning(this, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
	665	else
	666	QMessageBox::warning(NULL, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
	667	}
[80]	668	return false;
[21]	669	}
[67]	670	return true;
[21]	671	}
[31]	672
[67]	673	bool MainWindow::maybeSave()
[37]	674	{
[67]	675	if (!isWindowModified())
	676	return true;
[87]	677	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]	678	if (res == QMessageBox::Save)
	679	return saveTask();
	680	else if (res == QMessageBox::Cancel)
	681	return false;
	682	else
	683	return true;
[37]	684	}
	685
[74]	686	void MainWindow::outputMatrix(const TMatrix &matrix, QStringList &output)
[57]	687	{
[67]	688	int n = spinCities->value();
	689	QString line="";
	690	output.append("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
	691	for (int r = 0; r < n; r++) {
	692	line = "<tr>";
	693	for (int c = 0; c < n; c++) {
[71]	694	if (matrix.at(r).at(c) == INFINITY)
[67]	695	line += "<td align=\"center\">"INFSTR"</td>";
	696	else
[87]	697	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]	698	}
	699	line += "</tr>";
	700	output.append(line);
[57]	701	}
[67]	702	output.append("</table>");
[57]	703	}
	704
[74]	705	void MainWindow::outputMatrix(const SStep &step, QStringList &output)
	706	{
	707	int n = spinCities->value();
	708	QString line="";
	709	output.append("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
	710	for (int r = 0; r < n; r++) {
	711	line = "<tr>";
	712	for (int c = 0; c < n; c++) {
	713	if (step.matrix.at(r).at(c) == INFINITY)
	714	line += "<td align=\"center\">"INFSTR"</td>";
	715	else if ((r == step.candidate.nRow) && (c == step.candidate.nCol))
[87]	716	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]	717	else {
[76]	718	SCandidate cand;
[74]	719	cand.nRow = r;
	720	cand.nCol = c;
	721	if (step.alts.contains(cand))
[87]	722	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]	723	else
[87]	724	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]	725	}
	726	}
	727	line += "</tr>";
	728	output.append(line);
	729	}
	730	output.append("</table>");
	731	}
	732
[80]	733	void MainWindow::retranslateUi(bool all)
	734	{
	735	if (all)
	736	Ui::MainWindow::retranslateUi(this);
	737
[94]	738	actionSettingsLanguageEnglish->setStatusTip(tr("Set application language to %1").arg("English"));
	739
[80]	740	#ifndef QT_NO_PRINTER
	741	actionFilePrintPreview->setText(QApplication::translate("MainWindow", "P&rint Preview...", 0, QApplication::UnicodeUTF8));
	742	#ifndef QT_NO_TOOLTIP
	743	actionFilePrintPreview->setToolTip(QApplication::translate("MainWindow", "Preview solution results", 0, QApplication::UnicodeUTF8));
	744	#endif // QT_NO_TOOLTIP
	745	#ifndef QT_NO_STATUSTIP
	746	actionFilePrintPreview->setStatusTip(QApplication::translate("MainWindow", "Preview current solution results before printing", 0, QApplication::UnicodeUTF8));
	747	#endif // QT_NO_STATUSTIP
	748
	749	actionFilePrint->setText(QApplication::translate("MainWindow", "&Print...", 0, QApplication::UnicodeUTF8));
	750	#ifndef QT_NO_TOOLTIP
	751	actionFilePrint->setToolTip(QApplication::translate("MainWindow", "Print solution", 0, QApplication::UnicodeUTF8));
	752	#endif // QT_NO_TOOLTIP
	753	#ifndef QT_NO_STATUSTIP
	754	actionFilePrint->setStatusTip(QApplication::translate("MainWindow", "Print current solution results", 0, QApplication::UnicodeUTF8));
	755	#endif // QT_NO_STATUSTIP
	756	actionFilePrint->setShortcut(QApplication::translate("MainWindow", "Ctrl+P", 0, QApplication::UnicodeUTF8));
	757	#endif // QT_NO_PRINTER
	758	}
	759
[67]	760	bool MainWindow::saveTask() {
[87]	761	QStringList filters(tr("%1 Task File").arg("TSPSG") + " (*.tspt)");
	762	filters.append(tr("All Files") + " (*)");
[78]	763	QString file;
	764	if (fileName.endsWith(".tspt", Qt::CaseInsensitive))
	765	file = fileName;
[67]	766	else
[78]	767	file = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt";
	768
[82]	769	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
[87]	770	file = QFileDialog::getSaveFileName(this, tr("Task Save"), file, filters.join(";;"), NULL, opts);
[80]	771
[78]	772	if (file.isEmpty())
[67]	773	return false;
[78]	774	if (tspmodel->saveTask(file)) {
	775	setFileName(file);
[67]	776	setWindowModified(false);
	777	return true;
	778	}
	779	return false;
	780	}
	781
[71]	782	void MainWindow::setFileName(const QString &fileName)
[31]	783	{
[67]	784	this->fileName = fileName;
[87]	785	setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(tr("Travelling Salesman Problem")));
[31]	786	}
[78]	787
[80]	788	void MainWindow::setupUi()
	789	{
	790	Ui::MainWindow::setupUi(this);
	791
	792	#if QT_VERSION >= 0x040600
	793	setToolButtonStyle(Qt::ToolButtonFollowStyle);
	794	#endif
	795
[93]	796	#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
[80]	797	QStatusBar *statusbar = new QStatusBar(this);
	798	statusbar->setObjectName("statusbar");
	799	setStatusBar(statusbar);
	800	#endif // Q_OS_WINCE
	801
	802	#ifdef Q_OS_WINCE
[92]	803	menuBar()->setDefaultAction(menuFile->menuAction());
[94]	804
	805	QScrollArea *scrollArea = new QScrollArea(this);
	806	scrollArea->setFrameShape(QFrame::NoFrame);
	807	scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
	808	scrollArea->setWidgetResizable(true);
	809	scrollArea->setWidget(tabWidget);
	810	setCentralWidget(scrollArea);
[92]	811	#endif // Q_OS_WINCE
	812
[93]	813	//! \hack HACK: A little hack for toolbar icons to have a sane size.
[92]	814	#ifdef Q_OS_WINCE
[80]	815	toolBar->setIconSize(QSize(logicalDpiX() / 4, logicalDpiY() / 4));
[93]	816	#elif defined(Q_OS_SYMBIAN)
	817	toolBar->setIconSize(QSize(logicalDpiX() / 5, logicalDpiY() / 5));
[92]	818	#endif // Q_OS_WINCE
[80]	819
	820	solutionText->document()->setDefaultFont(settings->value("Output/Font",QFont(DEF_FONT_FAMILY,DEF_FONT_SIZE)).value<QFont>());
	821	solutionText->setTextColor(settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>());
	822	solutionText->setWordWrapMode(QTextOption::WordWrap);
	823
	824	#ifndef QT_NO_PRINTER
	825	actionFilePrintPreview = new QAction(this);
	826	actionFilePrintPreview->setObjectName("actionFilePrintPreview");
	827	actionFilePrintPreview->setEnabled(false);
	828	actionFilePrintPreview->setIcon(QIcon(":/images/icons/document_preview.png"));
	829
	830	actionFilePrint = new QAction(this);
	831	actionFilePrint->setObjectName("actionFilePrint");
	832	actionFilePrint->setEnabled(false);
	833	actionFilePrint->setIcon(QIcon(":/images/icons/fileprint.png"));
	834
	835	menuFile->insertAction(actionFileExit,actionFilePrintPreview);
	836	menuFile->insertAction(actionFileExit,actionFilePrint);
	837	menuFile->insertSeparator(actionFileExit);
	838
	839	toolBar->insertAction(actionSettingsPreferences,actionFilePrint);
	840	#endif // QT_NO_PRINTER
	841
	842	groupSettingsLanguageList = new QActionGroup(this);
	843	actionSettingsLanguageEnglish->setData("en");
	844	actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
	845	loadLangList();
[94]	846	actionSettingsLanguageAutodetect->setChecked(settings->value("Language", "").toString().isEmpty());
[80]	847
	848	spinCities->setMaximum(MAX_NUM_CITIES);
	849
	850	retranslateUi(false);
	851
[92]	852	// Adding some eyecandy in Vista and 7 :-)
	853	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
	854	toggleTranclucency(true);
	855	}
[80]	856	}
	857
[78]	858	void MainWindow::toggleSolutionActions(bool enable)
	859	{
	860	buttonSaveSolution->setEnabled(enable);
	861	actionFileSaveAsSolution->setEnabled(enable);
	862	solutionText->setEnabled(enable);
	863	if (!enable)
	864	output.clear();
	865	#ifndef QT_NO_PRINTER
	866	actionFilePrint->setEnabled(enable);
	867	actionFilePrintPreview->setEnabled(enable);
	868	#endif // QT_NO_PRINTER
	869	}
[92]	870
	871	void MainWindow::toggleTranclucency(bool enable)
	872	{
	873	QtWin::enableBlurBehindWindow(this, enable);
	874	QtWin::enableBlurBehindWindow(tabWidget, enable);
	875
	876	if (QtWin::enableBlurBehindWindow(tabTask, enable))
	877	tabTask->setAutoFillBackground(enable);
	878	if (QtWin::enableBlurBehindWindow(tabSolution, enable))
	879	tabSolution->setAutoFillBackground(enable);
	880	}

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