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source: tspsg-svn/trunk/src/mainwindow.cpp @ 108

Last change on this file since 108 was 108, checked in by laleppa, 15 years ago
+ Implemented saving the solution graph when saving solution as HTML (in SVG format).
Property svn:keywords set to `Id URL`
File size: 41.7 KB

Rev	Line
[100]	1	/*
	2	* TSPSG: TSP Solver and Generator
	3	* Copyright (C) 2007-2010 Lёppa <contacts[at]oleksii[dot]name>
	4	*
	5	* $Id: mainwindow.cpp 108 2010-04-25 20:09:26Z laleppa $
	6	* $URL: https://tspsg.svn.sourceforge.net/svnroot/tspsg/trunk/src/mainwindow.cpp $
	7	*
	8	* This file is part of TSPSG.
	9	*
	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.
	14	*
	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.
	19	*
	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/>.
	22	*/
	23
	24	#include "mainwindow.h"
	25
	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	*/
	33	MainWindow::MainWindow(QWidget *parent)
	34	: QMainWindow(parent)
	35	{
	36	settings = new QSettings(QSettings::IniFormat, QSettings::UserScope, "TSPSG", "tspsg", this);
	37
	38	loadLanguage();
	39	setupUi();
[105]	40	setAcceptDrops(true);
[100]	41
	42	initDocStyleSheet();
	43
	44	#ifndef QT_NO_PRINTER
	45	printer = new QPrinter(QPrinter::HighResolution);
	46	#endif // QT_NO_PRINTER
	47
	48	#ifdef Q_OS_WINCE_WM
	49	currentGeometry = QApplication::desktop()->availableGeometry(0);
	50	// We need to react to SIP show/hide and resize the window appropriately
	51	connect(QApplication::desktop(), SIGNAL(workAreaResized(int)), SLOT(desktopResized(int)));
	52	#endif // Q_OS_WINCE_WM
	53	connect(actionFileNew,SIGNAL(triggered()),this,SLOT(actionFileNewTriggered()));
	54	connect(actionFileOpen,SIGNAL(triggered()),this,SLOT(actionFileOpenTriggered()));
	55	connect(actionFileSave,SIGNAL(triggered()),this,SLOT(actionFileSaveTriggered()));
	56	connect(actionFileSaveAsTask,SIGNAL(triggered()),this,SLOT(actionFileSaveAsTaskTriggered()));
	57	connect(actionFileSaveAsSolution,SIGNAL(triggered()),this,SLOT(actionFileSaveAsSolutionTriggered()));
	58	#ifndef QT_NO_PRINTER
	59	connect(actionFilePrintPreview,SIGNAL(triggered()),this,SLOT(actionFilePrintPreviewTriggered()));
	60	connect(actionFilePrint,SIGNAL(triggered()),this,SLOT(actionFilePrintTriggered()));
	61	#endif // QT_NO_PRINTER
	62	connect(actionSettingsPreferences,SIGNAL(triggered()),this,SLOT(actionSettingsPreferencesTriggered()));
	63	#ifdef Q_OS_WIN32
	64	connect(actionHelpCheck4Updates, SIGNAL(triggered()), SLOT(actionHelpCheck4UpdatesTriggered()));
	65	#endif // Q_OS_WIN32
	66	connect(actionSettingsLanguageAutodetect,SIGNAL(triggered(bool)),this,SLOT(actionSettingsLanguageAutodetectTriggered(bool)));
	67	connect(groupSettingsLanguageList,SIGNAL(triggered(QAction )),this,SLOT(groupSettingsLanguageListTriggered(QAction )));
	68	connect(actionHelpAboutQt,SIGNAL(triggered()),qApp,SLOT(aboutQt()));
	69	connect(actionHelpAbout,SIGNAL(triggered()),this,SLOT(actionHelpAboutTriggered()));
	70
	71	connect(buttonSolve,SIGNAL(clicked()),this,SLOT(buttonSolveClicked()));
	72	connect(buttonRandom,SIGNAL(clicked()),this,SLOT(buttonRandomClicked()));
	73	connect(buttonBackToTask,SIGNAL(clicked()),this,SLOT(buttonBackToTaskClicked()));
	74	connect(spinCities,SIGNAL(valueChanged(int)),this,SLOT(spinCitiesValueChanged(int)));
	75
	76	#ifndef HANDHELD
	77	// Centering main window
	78	QRect rect = geometry();
	79	rect.moveCenter(QApplication::desktop()->availableGeometry(this).center());
	80	setGeometry(rect);
	81	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
	82	// Loading of saved window state
	83	settings->beginGroup("MainWindow");
	84	restoreGeometry(settings->value("Geometry").toByteArray());
	85	restoreState(settings->value("State").toByteArray());
	86	settings->endGroup();
	87	}
	88	#else
	89	setWindowState(Qt::WindowMaximized);
	90	#endif // HANDHELD
	91
	92	tspmodel = new CTSPModel(this);
	93	taskView->setModel(tspmodel);
	94	connect(tspmodel,SIGNAL(numCitiesChanged(int)),this,SLOT(numCitiesChanged(int)));
	95	connect(tspmodel,SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),this,SLOT(dataChanged(const QModelIndex &, const QModelIndex &)));
	96	connect(tspmodel,SIGNAL(layoutChanged()),this,SLOT(dataChanged()));
	97	if ((QCoreApplication::arguments().count() > 1) && (tspmodel->loadTask(QCoreApplication::arguments().at(1))))
	98	setFileName(QCoreApplication::arguments().at(1));
	99	else {
	100	setFileName();
	101	spinCities->setValue(settings->value("NumCities",DEF_NUM_CITIES).toInt());
	102	spinCitiesValueChanged(spinCities->value());
	103	}
	104	setWindowModified(false);
	105	}
	106
	107	MainWindow::~MainWindow()
	108	{
	109	#ifndef QT_NO_PRINTER
	110	delete printer;
	111	#endif
	112	}
	113
	114	/* Privates **********************************************************/
	115
	116	void MainWindow::actionFileNewTriggered()
	117	{
	118	if (!maybeSave())
	119	return;
	120	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	121	tspmodel->clear();
	122	setFileName();
	123	setWindowModified(false);
	124	tabWidget->setCurrentIndex(0);
	125	solutionText->clear();
	126	toggleSolutionActions(false);
	127	QApplication::restoreOverrideCursor();
	128	}
	129
	130	void MainWindow::actionFileOpenTriggered()
	131	{
	132	if (!maybeSave())
	133	return;
	134
	135	QStringList filters(tr("All Supported Formats") + " (.tspt .zkt)");
	136	filters.append(tr("%1 Task Files").arg("TSPSG") + " (*.tspt)");
	137	filters.append(tr("%1 Task Files").arg("ZKomModRd") + " (*.zkt)");
	138	filters.append(tr("All Files") + " (*)");
	139
	140	QString file = QFileInfo(fileName).canonicalPath();
	141	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
	142	file = QFileDialog::getOpenFileName(this, tr("Task Load"), file, filters.join(";;"), NULL, opts);
	143	if (file.isEmpty() \|\| !QFileInfo(file).isFile())
	144	return;
	145	if (!tspmodel->loadTask(file))
	146	return;
	147	setFileName(file);
	148	tabWidget->setCurrentIndex(0);
	149	setWindowModified(false);
	150	solutionText->clear();
	151	toggleSolutionActions(false);
	152	}
	153
	154	bool MainWindow::actionFileSaveTriggered()
	155	{
	156	if ((fileName == tr("Untitled") + ".tspt") \|\| (!fileName.endsWith(".tspt", Qt::CaseInsensitive)))
	157	return saveTask();
	158	else
	159	if (tspmodel->saveTask(fileName)) {
	160	setWindowModified(false);
	161	return true;
	162	} else
	163	return false;
	164	}
	165
	166	void MainWindow::actionFileSaveAsTaskTriggered()
	167	{
	168	saveTask();
	169	}
	170
	171	void MainWindow::actionFileSaveAsSolutionTriggered()
	172	{
	173	static QString selectedFile;
	174	if (selectedFile.isEmpty())
	175	selectedFile = QFileInfo(fileName).canonicalPath();
	176	else
	177	selectedFile = QFileInfo(selectedFile).canonicalPath();
	178	if (!selectedFile.isEmpty())
	179	selectedFile += "/";
	180	if (fileName == tr("Untitled") + ".tspt") {
	181	#ifndef QT_NO_PRINTER
	182	selectedFile += "solution.pdf";
	183	#else
	184	selectedFile += "solution.html";
	185	#endif // QT_NO_PRINTER
	186	} else {
	187	#ifndef QT_NO_PRINTER
	188	selectedFile += QFileInfo(fileName).completeBaseName() + ".pdf";
	189	#else
	190	selectedFile += QFileInfo(fileName).completeBaseName() + ".html";
	191	#endif // QT_NO_PRINTER
	192	}
	193
	194	QStringList filters;
	195	#ifndef QT_NO_PRINTER
	196	filters.append(tr("PDF Files") + " (*.pdf)");
	197	#endif
	198	filters.append(tr("HTML Files") + " (.html .htm)");
	199	#if QT_VERSION >= 0x040500
	200	filters.append(tr("OpenDocument Files") + " (*.odt)");
	201	#endif // QT_VERSION >= 0x040500
	202	filters.append(tr("All Files") + " (*)");
	203
	204	QFileDialog::Options opts(settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog);
	205	QString file = QFileDialog::getSaveFileName(this, QString(), selectedFile, filters.join(";;"), NULL, opts);
	206	if (file.isEmpty())
	207	return;
	208	selectedFile = file;
	209	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	210	#ifndef QT_NO_PRINTER
	211	if (selectedFile.endsWith(".pdf",Qt::CaseInsensitive)) {
	212	QPrinter printer(QPrinter::HighResolution);
	213	printer.setOutputFormat(QPrinter::PdfFormat);
	214	printer.setOutputFileName(selectedFile);
	215	solutionText->document()->print(&printer);
	216	QApplication::restoreOverrideCursor();
	217	return;
	218	}
	219	#endif
[108]	220	if (selectedFile.endsWith(".htm", Qt::CaseInsensitive) \|\| selectedFile.endsWith(".html", Qt::CaseInsensitive)) {
	221	QFile file(selectedFile);
	222	if (!file.open(QFile::WriteOnly)) {
	223	QApplication::restoreOverrideCursor();
	224	QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution.\nError: %1").arg(file.errorString()));
	225	return;
	226	}
	227	QFileInfo fi(selectedFile);
	228	QString html = solutionText->document()->toHtml("UTF-8"),
	229	img = fi.completeBaseName() + ".svg";
	230	html.replace(QRegExp("<img\\s+src=\"tspsg://graph.pic\""), QString("<img src=\"%1\" width=\"%2\" height=\"%3\" alt=\"%4\"").arg(img).arg(graph.width() + 1).arg(graph.height() + 1).arg(tr("Solution Graph")));
	231	// Saving solution text as HTML
	232	QTextStream ts(&file);
	233	ts.setCodec(QTextCodec::codecForName("UTF-8"));
	234	ts << html;
	235	file.close();
	236	// Saving solution graph as SVG
	237	QSvgGenerator svg;
	238	svg.setFileName(fi.path() + "/" + img);
	239	svg.setTitle(tr("Solution Graph"));
	240	QPainter p;
	241	p.begin(&svg);
	242	graph.play(&p);
	243	p.end();
	244
	245	// Qt < 4.5 has no QTextDocumentWriter class
[100]	246	#if QT_VERSION >= 0x040500
[108]	247	} else {
[100]	248	QTextDocumentWriter dw(selectedFile);
[108]	249	if (!selectedFile.endsWith(".odt",Qt::CaseInsensitive))
	250	dw.setFormat("plaintext");
	251	if (!dw.write(solutionText->document()))
	252	QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution.\nError: %1").arg(dw.device()->errorString()));
	253	#endif // QT_VERSION >= 0x040500
[100]	254	}
	255	QApplication::restoreOverrideCursor();
	256	}
	257
	258	#ifndef QT_NO_PRINTER
	259	void MainWindow::actionFilePrintPreviewTriggered()
	260	{
	261	QPrintPreviewDialog ppd(printer, this);
	262	connect(&ppd,SIGNAL(paintRequested(QPrinter )),SLOT(printPreview(QPrinter )));
	263	ppd.exec();
	264	}
	265
	266	void MainWindow::actionFilePrintTriggered()
	267	{
	268	QPrintDialog pd(printer,this);
	269	#if QT_VERSION >= 0x040500
	270	// No such methods in Qt < 4.5
	271	pd.setOption(QAbstractPrintDialog::PrintSelection,false);
	272	pd.setOption(QAbstractPrintDialog::PrintPageRange,false);
	273	#endif
	274	if (pd.exec() != QDialog::Accepted)
	275	return;
	276	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	277	solutionText->document()->print(printer);
	278	QApplication::restoreOverrideCursor();
	279	}
	280	#endif // QT_NO_PRINTER
	281
	282	void MainWindow::actionSettingsPreferencesTriggered()
	283	{
	284	SettingsDialog sd(this);
	285	if (sd.exec() != QDialog::Accepted)
	286	return;
	287	if (sd.colorChanged() \|\| sd.fontChanged()) {
	288	if (!solutionText->document()->isEmpty() && sd.colorChanged())
	289	QMessageBox::information(this, tr("Settings Changed"), tr("You have changed color settings.\nThey will be applied to the next solution output."));
	290	initDocStyleSheet();
	291	}
	292	if (sd.translucencyChanged() != 0)
	293	toggleTranclucency(sd.translucencyChanged() == 1);
	294	}
	295
	296	void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked)
	297	{
	298	if (checked) {
	299	settings->remove("Language");
	300	QMessageBox::information(this, tr("Language change"), tr("Language will be autodetected on the next application start."));
	301	} else
	302	settings->setValue("Language", groupSettingsLanguageList->checkedAction()->data().toString());
	303	}
	304
	305	void MainWindow::groupSettingsLanguageListTriggered(QAction *action)
	306	{
	307	if (actionSettingsLanguageAutodetect->isChecked()) {
	308	// We have language autodetection. It needs to be disabled to change language.
	309	if (QMessageBox::question(this, 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) == QMessageBox::Yes) {
	310	actionSettingsLanguageAutodetect->trigger();
	311	} else
	312	return;
	313	}
	314	bool untitled = (fileName == tr("Untitled") + ".tspt");
	315	if (loadLanguage(action->data().toString())) {
	316	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	317	settings->setValue("Language",action->data().toString());
	318	retranslateUi();
	319	if (untitled)
	320	setFileName();
	321	#ifdef Q_OS_WIN32
	322	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
	323	toggleStyle(labelVariant, true);
	324	toggleStyle(labelCities, true);
	325	}
	326	#endif
	327	QApplication::restoreOverrideCursor();
	328	if (!solutionText->document()->isEmpty())
	329	QMessageBox::information(this, tr("Settings Changed"), tr("You have changed the application language.\nTo get current solution output in the new language\nyou need to re-run the solution process."));
	330	}
	331	}
	332
	333	#ifdef Q_OS_WIN32
	334	void MainWindow::actionHelpCheck4UpdatesTriggered()
	335	{
	336	if (!hasUpdater()) {
	337	QMessageBox::warning(this, tr("Unsupported Feature"), tr("Sorry, but this feature is not supported on your platform\nor support for this feature was not installed."));
	338	return;
	339	}
	340
	341	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	342	QProcess::execute("updater/Update.exe -name=\"TSPSG: TSP Solver and Generator\" -check=\"freeupdate\"");
	343	QApplication::restoreOverrideCursor();
	344	}
	345	#endif // Q_OS_WIN32
	346
	347	void MainWindow::actionHelpAboutTriggered()
	348	{
	349	QString title;
	350	#ifdef HANDHELD
	351	title += QString("<b>TSPSG<br>TSP Solver and Generator</b><br>");
	352	#else
	353	title += QString("<b>TSPSG: TSP Solver and Generator</b><br>");
	354	#endif // HANDHELD
	355	title += QString("%1: <b>%2</b><br>").arg(tr("Version"), QApplication::applicationVersion());
	356	#ifndef HANDHELD
	357	title += QString("<b>© 2007-%1 <a href=\"http://%2/\">%3</a></b><br>").arg(QDate::currentDate().toString("yyyy"), QApplication::organizationDomain(), QApplication::organizationName());
	358	title += QString("<b><a href=\"http://tspsg.sourceforge.net/\">http://tspsg.sourceforge.net/</a></b>");
	359	#else
	360	title += QString("<b><a href=\"http://tspsg.sourceforge.net/\">http://tspsg.sf.net/</a></b>");
	361	#endif // Q_OS_WINCE_WM && Q_OS_SYMBIAN
	362
	363	QString about;
	364	about += QString("%1: <b>%2</b><br>").arg(tr("Target OS (ARCH)"), OS);
	365	#ifndef STATIC_BUILD
	366	about += QString("%1 (%2):<br>").arg(tr("Qt library"), tr("shared"));
	367	about += QString("    %1: <b>%2</b><br>").arg(tr("Build time"), QT_VERSION_STR);
	368	about += QString("    %1: <b>%2</b><br>").arg(tr("Runtime"), qVersion());
	369	#else
	370	about += QString("%1: <b>%2</b> (%3)<br>").arg(tr("Qt library"), QT_VERSION_STR, tr("static"));
	371	#endif // STATIC_BUILD
	372	about += tr("Buid <b>%1</b>, built on <b>%2</b> at <b>%3</b>").arg(BUILD_NUMBER).arg(__DATE__).arg(__TIME__) + "<br>";
	373	about += QString("%1: <b>%2</b><br>").arg(tr("Algorithm"), CTSPSolver::getVersionId());
	374	about += "<br>";
	375	about += tr("TSPSG is free software: you can redistribute it and/or modify it<br>"
	376	"under the terms of the GNU General Public License as published<br>"
	377	"by the Free Software Foundation, either version 3 of the License,<br>"
	378	"or (at your option) any later version.<br>"
	379	"<br>"
	380	"TSPSG is distributed in the hope that it will be useful, but<br>"
	381	"WITHOUT ANY WARRANTY; without even the implied warranty of<br>"
	382	"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>"
	383	"GNU General Public License for more details.<br>"
	384	"<br>"
	385	"You should have received a copy of the GNU General Public License<br>"
	386	"along with TSPSG. If not, see <a href=\"http://www.gnu.org/licenses/\">http://www.gnu.org/licenses/</a>.");
	387
	388	QDialog *dlg = new QDialog(this);
	389	QLabel *lblIcon = new QLabel(dlg),
	390	*lblTitle = new QLabel(dlg),
	391	*lblTranslated = new QLabel(dlg);
	392	#ifdef HANDHELD
	393	QLabel *lblSubTitle = new QLabel(QString("<b>© 2007-%1 <a href=\"http://%2/\">%3</a></b>").arg(QDate::currentDate().toString("yyyy"), QApplication::organizationDomain(), QApplication::organizationName()), dlg);
	394	#endif // HANDHELD
	395	QTextBrowser *txtAbout = new QTextBrowser(dlg);
	396	QVBoxLayout *vb = new QVBoxLayout();
	397	QHBoxLayout *hb1 = new QHBoxLayout(),
	398	*hb2 = new QHBoxLayout();
	399	QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok, Qt::Horizontal, dlg);
	400
	401	lblTitle->setOpenExternalLinks(true);
	402	lblTitle->setText(title);
	403	lblTitle->setAlignment(Qt::AlignTop);
	404	lblTitle->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
	405	#ifndef HANDHELD
	406	lblTitle->setStyleSheet(QString("QLabel {background-color: %1; border-color: %2; border-width: 1px; border-style: solid; border-radius: 3px;}").arg(palette().window().color().name(), palette().shadow().color().name()));
	407	#endif // HANDHELD
	408
	409	lblIcon->setPixmap(QPixmap(":/images/tspsg.png").scaledToHeight(lblTitle->sizeHint().height(), Qt::SmoothTransformation));
	410	lblIcon->setAlignment(Qt::AlignVCenter);
	411	#ifndef HANDHELD
	412	lblIcon->setStyleSheet(QString("QLabel {background-color: %1; border-color: %2; border-width: 1px; border-style: solid; border-radius: 3px;}").arg(palette().window().color().name(), palette().windowText().color().name()));
	413	#endif // HANDHELD
	414
	415	hb1->addWidget(lblIcon);
	416	hb1->addWidget(lblTitle);
	417
	418	txtAbout->setWordWrapMode(QTextOption::NoWrap);
	419	txtAbout->setOpenExternalLinks(true);
	420	txtAbout->setHtml(about);
	421	txtAbout->moveCursor(QTextCursor::Start);
	422	#ifndef HANDHELD
	423	txtAbout->setStyleSheet(QString("QTextBrowser {border-color: %1; border-width: 1px; border-style: solid; border-radius: 3px;}").arg(palette().shadow().color().name()));
	424	#endif // HANDHELD
	425
	426	bb->button(QDialogButtonBox::Ok)->setCursor(QCursor(Qt::PointingHandCursor));
	427
	428	lblTranslated->setText(QApplication::translate("--------", "TRANSLATION", "Please, provide translator credits here."));
	429	if (lblTranslated->text() == "TRANSLATION")
	430	lblTranslated->hide();
	431	else {
	432	lblTranslated->setOpenExternalLinks(true);
	433	#ifndef HANDHELD
	434	lblTranslated->setStyleSheet(QString("QLabel {background-color: %1; border-color: %2; border-width: 1px; border-style: solid; border-radius: 3px;}").arg(palette().window().color().name(), palette().shadow().color().name()));
	435	#endif // HANDHELD
	436	hb2->addWidget(lblTranslated);
	437	}
	438
	439	hb2->addWidget(bb);
	440
	441	#ifdef Q_OS_WINCE_WM
	442	vb->setMargin(3);
	443	#endif // Q_OS_WINCE_WM
	444	vb->addLayout(hb1);
	445	#ifdef HANDHELD
	446	vb->addWidget(lblSubTitle);
	447	#endif // HANDHELD
	448	vb->addWidget(txtAbout);
	449	vb->addLayout(hb2);
	450
	451	dlg->setWindowFlags(Qt::Dialog \| Qt::CustomizeWindowHint \| Qt::WindowTitleHint \| Qt::WindowCloseButtonHint);
	452	dlg->setWindowTitle(tr("About TSPSG"));
	453	dlg->setLayout(vb);
	454
	455	connect(bb, SIGNAL(accepted()), dlg, SLOT(accept()));
	456
	457	#ifdef Q_OS_WIN32
	458	// Adding some eyecandy in Vista and 7 :-)
	459	if (QtWin::isCompositionEnabled()) {
	460	QtWin::enableBlurBehindWindow(dlg, true);
	461	}
	462	#endif // Q_OS_WIN32
	463
	464	dlg->resize(450, 350);
	465
	466	dlg->exec();
	467
	468	delete dlg;
	469	}
	470
	471	void MainWindow::buttonBackToTaskClicked()
	472	{
	473	tabWidget->setCurrentIndex(0);
	474	}
	475
	476	void MainWindow::buttonRandomClicked()
	477	{
	478	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	479	tspmodel->randomize();
	480	QApplication::restoreOverrideCursor();
	481	}
	482
	483	void MainWindow::buttonSolveClicked()
	484	{
	485	TMatrix matrix;
	486	QList<double> row;
	487	int n = spinCities->value();
	488	bool ok;
	489	for (int r = 0; r < n; r++) {
	490	row.clear();
	491	for (int c = 0; c < n; c++) {
	492	row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok));
	493	if (!ok) {
	494	QMessageBox::critical(this, tr("Data error"), tr("Error in cell [Row %1; Column %2]: Invalid data format.").arg(r + 1).arg(c + 1));
	495	return;
	496	}
	497	}
	498	matrix.append(row);
	499	}
	500
	501	QProgressDialog pd(this);
	502	QProgressBar *pb = new QProgressBar(&pd);
	503	pb->setAlignment(Qt::AlignCenter);
	504	pb->setFormat(tr("%v of %1 parts found").arg(n));
	505	pd.setBar(pb);
	506	pd.setMaximum(n);
	507	pd.setAutoReset(false);
	508	pd.setLabelText(tr("Calculating optimal route..."));
	509	pd.setWindowTitle(tr("Solution Progress"));
	510	pd.setWindowModality(Qt::ApplicationModal);
	511	pd.setWindowFlags(Qt::Dialog \| Qt::CustomizeWindowHint \| Qt::WindowTitleHint);
	512	pd.show();
	513
	514	CTSPSolver solver;
	515	connect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int)));
	516	connect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel()));
	517	SStep *root = solver.solve(n, matrix);
	518	disconnect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int)));
	519	disconnect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel()));
	520	if (!root) {
	521	pd.reset();
	522	if (!solver.wasCanceled())
	523	QMessageBox::warning(this, tr("Solution Result"), tr("Unable to find a solution.\nMaybe, this task has no solution."));
	524	return;
	525	}
	526	pb->setFormat(tr("Generating header"));
	527	pd.setLabelText(tr("Generating solution output..."));
[107]	528	pd.setMaximum(solver.getTotalSteps() + 1);
[100]	529	pd.setValue(0);
	530
	531	solutionText->clear();
[104]	532	solutionText->setDocumentTitle(tr("Solution of Variant #%1 Task").arg(spinVariant->value()));
	533
[106]	534	QPainter pic;
[107]	535	if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool()) {
	536	pic.begin(&graph);
	537	pic.setRenderHint(QPainter::Antialiasing);
	538	}
[106]	539
[104]	540	QTextDocument *doc = solutionText->document();
	541	QTextCursor cur(doc);
	542
	543	cur.beginEditBlock();
	544	cur.setBlockFormat(fmt_paragraph);
[106]	545	cur.insertText(tr("Variant #%1 Task").arg(spinVariant->value()), fmt_default);
[104]	546	cur.insertBlock(fmt_paragraph);
	547	cur.insertText(tr("Task:"));
	548	outputMatrix(cur, matrix);
[107]	549	if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool())
	550	drawNode(pic, 0);
[104]	551	cur.insertHtml("<hr>");
	552	cur.insertBlock(fmt_paragraph);
[106]	553	int imgpos = cur.position();
	554	cur.insertText(tr("Variant #%1 Solution").arg(spinVariant->value()), fmt_default);
[104]	555	cur.endEditBlock();
	556
[100]	557	SStep *step = root;
[107]	558	int c = n = 1;
[100]	559	pb->setFormat(tr("Generating step %v"));
[107]	560	while ((step->next != SStep::NoNextStep) && (c < spinCities->value())) {
[100]	561	if (pd.wasCanceled()) {
[104]	562	pd.setLabelText(tr("Cleaning up..."));
	563	pd.setMaximum(0);
	564	pd.setCancelButton(NULL);
	565	pd.show();
	566	QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
	567	solver.cleanup(true);
[100]	568	solutionText->clear();
[104]	569	toggleSolutionActions(false);
[100]	570	return;
	571	}
	572	pd.setValue(n);
	573
[107]	574	cur.beginEditBlock();
	575	cur.insertBlock(fmt_paragraph);
	576	cur.insertText(tr("Step #%1").arg(n));
	577	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())))) {
	578	outputMatrix(cur, *step);
	579	}
	580	cur.insertBlock(fmt_paragraph);
	581	cur.insertText(tr("Selected route %1 %2 part.").arg((step->next == SStep::RightBranch) ? tr("with") : tr("without")).arg(tr("(%1;%2)").arg(step->candidate.nRow + 1).arg(step->candidate.nCol + 1)), fmt_default);
	582	if (!step->alts.empty()) {
	583	SStep::SCandidate cand;
	584	QString alts;
	585	foreach(cand, step->alts) {
	586	if (!alts.isEmpty())
	587	alts += ", ";
	588	alts += tr("(%1;%2)").arg(cand.nRow + 1).arg(cand.nCol + 1);
[100]	589	}
[107]	590	cur.insertBlock(fmt_paragraph);
	591	cur.insertText(tr("%n alternate candidate(s) for branching: %1.", "", step->alts.count()).arg(alts), fmt_altlist);
[100]	592	}
[107]	593	cur.insertBlock(fmt_paragraph);
	594	cur.insertText(" ", fmt_default);
	595	cur.endEditBlock();
	596
	597	if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool()) {
[106]	598	if (step->prNode != NULL)
[107]	599	drawNode(pic, n, false, step->prNode);
[106]	600	if (step->plNode != NULL)
[107]	601	drawNode(pic, n, true, step->plNode);
[106]	602	}
[107]	603	n++;
	604
	605	if (step->next == SStep::RightBranch) {
	606	c++;
[100]	607	step = step->prNode;
[107]	608	} else if (step->next == SStep::LeftBranch) {
[100]	609	step = step->plNode;
[106]	610	} else
[100]	611	break;
	612	}
	613	pb->setFormat(tr("Generating footer"));
	614	pd.setValue(n);
	615
[104]	616	cur.beginEditBlock();
	617	cur.insertBlock(fmt_paragraph);
[100]	618	if (solver.isOptimal())
[104]	619	cur.insertText(tr("Optimal path:"));
[100]	620	else
[104]	621	cur.insertText(tr("Resulting path:"));
	622
	623	cur.insertBlock(fmt_paragraph);
	624	cur.insertText(" " + solver.getSortedPath());
	625
	626	cur.insertBlock(fmt_paragraph);
[100]	627	if (isInteger(step->price))
[104]	628	cur.insertHtml("<p>" + tr("The price is <b>%n</b> unit(s).", "", qRound(step->price)) + "</p>");
[100]	629	else
[104]	630	cur.insertHtml("<p>" + tr("The price is <b>%1</b> units.").arg(step->price, 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()) + "</p>");
[100]	631	if (!solver.isOptimal()) {
[104]	632	cur.insertBlock(fmt_paragraph);
	633	cur.insertText(" ");
	634	cur.insertBlock(fmt_paragraph);
	635	cur.insertHtml("<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>");
[100]	636	}
[104]	637	cur.endEditBlock();
[100]	638
[107]	639	if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool()) {
	640	pic.end();
	641
[106]	642	QImage i(graph.width() + 2, graph.height() + 2, QImage::Format_ARGB32);
[107]	643	i.fill(0);
	644	pic.begin(&i);
	645	pic.drawPicture(1, 1, graph);
	646	pic.end();
	647	doc->addResource(QTextDocument::ImageResource, QUrl("tspsg://graph.pic"), i);
[106]	648
	649	QTextImageFormat img;
[107]	650	img.setName("tspsg://graph.pic");
[106]	651
[107]	652	cur.setPosition(imgpos);
	653	cur.insertImage(img, QTextFrameFormat::FloatRight);
	654	}
[106]	655
[100]	656	if (settings->value("Output/ScrollToEnd", DEF_SCROLL_TO_END).toBool()) {
[104]	657	// Scrolling to the end of the text.
[100]	658	solutionText->moveCursor(QTextCursor::End);
	659	} else
	660	solutionText->moveCursor(QTextCursor::Start);
	661
	662	pd.setLabelText(tr("Cleaning up..."));
	663	pd.setMaximum(0);
	664	pd.setCancelButton(NULL);
	665	QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
	666	solver.cleanup(true);
	667	toggleSolutionActions();
	668	tabWidget->setCurrentIndex(1);
	669	}
	670
	671	void MainWindow::dataChanged()
	672	{
	673	setWindowModified(true);
	674	}
	675
	676	void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br)
	677	{
	678	setWindowModified(true);
	679	if (settings->value("Autosize", DEF_AUTOSIZE).toBool()) {
	680	for (int k = tl.row(); k <= br.row(); k++)
	681	taskView->resizeRowToContents(k);
	682	for (int k = tl.column(); k <= br.column(); k++)
	683	taskView->resizeColumnToContents(k);
	684	}
	685	}
	686
	687	#ifdef Q_OS_WINCE_WM
	688	void MainWindow::changeEvent(QEvent *ev)
	689	{
	690	if ((ev->type() == QEvent::ActivationChange) && isActiveWindow())
	691	desktopResized(0);
	692
	693	QWidget::changeEvent(ev);
	694	}
	695
	696	void MainWindow::desktopResized(int screen)
	697	{
	698	if ((screen != 0) \|\| !isActiveWindow())
	699	return;
	700
	701	QRect availableGeometry = QApplication::desktop()->availableGeometry(0);
	702	if (currentGeometry != availableGeometry) {
	703	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	704	/*!
	705	* \hack HACK: This hack checks whether \link QDesktopWidget::availableGeometry() availableGeometry()\endlink's \c top + \c hegiht = \link QDesktopWidget::screenGeometry() screenGeometry()\endlink's \c height.
	706	* If \c true, the window gets maximized. If we used \c setGeometry() in this case, the bottom of the
	707	* window would end up being behind the soft buttons. Is this a bug in Qt or Windows Mobile?
	708	*/
	709	if ((availableGeometry.top() + availableGeometry.height()) == QApplication::desktop()->screenGeometry().height()) {
	710	setWindowState(windowState() \| Qt::WindowMaximized);
	711	} else {
	712	if (windowState() & Qt::WindowMaximized)
	713	setWindowState(windowState() ^ Qt::WindowMaximized);
	714	setGeometry(availableGeometry);
	715	}
	716	currentGeometry = availableGeometry;
	717	QApplication::restoreOverrideCursor();
	718	}
	719	}
	720	#endif // Q_OS_WINCE_WM
	721
	722	void MainWindow::numCitiesChanged(int nCities)
	723	{
	724	blockSignals(true);
	725	spinCities->setValue(nCities);
	726	blockSignals(false);
	727	}
	728
	729	#ifndef QT_NO_PRINTER
	730	void MainWindow::printPreview(QPrinter *printer)
	731	{
	732	solutionText->print(printer);
	733	}
	734	#endif // QT_NO_PRINTER
	735
	736	void MainWindow::spinCitiesValueChanged(int n)
	737	{
	738	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	739	int count = tspmodel->numCities();
	740	tspmodel->setNumCities(n);
	741	if ((n > count) && settings->value("Autosize", DEF_AUTOSIZE).toBool())
	742	for (int k = count; k < n; k++) {
	743	taskView->resizeColumnToContents(k);
	744	taskView->resizeRowToContents(k);
	745	}
	746	QApplication::restoreOverrideCursor();
	747	}
	748
	749	void MainWindow::closeEvent(QCloseEvent *ev)
	750	{
	751	if (!maybeSave()) {
	752	ev->ignore();
	753	return;
	754	}
	755	if (!settings->value("SettingsReset", false).toBool()) {
	756	settings->setValue("NumCities", spinCities->value());
	757
	758	// Saving Main Window state
	759	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
	760	settings->beginGroup("MainWindow");
	761	#ifndef HANDHELD
	762	settings->setValue("Geometry", saveGeometry());
	763	#endif // HANDHELD
	764	settings->setValue("State", saveState());
	765	settings->endGroup();
	766	}
	767	} else {
	768	settings->remove("SettingsReset");
	769	}
	770
	771	QMainWindow::closeEvent(ev);
	772	}
	773
[105]	774	void MainWindow::dragEnterEvent(QDragEnterEvent *ev)
	775	{
	776	if (ev->mimeData()->hasUrls() && (ev->mimeData()->urls().count() == 1)) {
	777	QFileInfo fi(ev->mimeData()->urls().first().toLocalFile());
	778	if ((fi.suffix() == "tspt") \|\| (fi.suffix() == "zkt"))
	779	ev->acceptProposedAction();
	780	}
	781	}
	782
[106]	783	void MainWindow::drawNode(QPainter &pic, int nstep, bool left, SStep *step)
	784	{
	785	const int r = 35;
	786	qreal x, y;
	787	if (step != NULL)
	788	x = left ? r : r * 3.5;
	789	else
	790	x = r * 2.25;
	791	y = r * (3 * nstep + 1);
	792
	793	pic.drawEllipse(QPointF(x, y), r, r);
	794
	795	if (step != NULL) {
	796	QFont font;
	797	if (left) {
	798	font = pic.font();
	799	font.setStrikeOut(true);
	800	pic.setFont(font);
	801	}
	802	pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, tr("(%1;%2)").arg(step->pNode->candidate.nRow + 1).arg(step->pNode->candidate.nCol + 1) + "\n");
	803	if (left) {
	804	font.setStrikeOut(false);
	805	pic.setFont(font);
	806	}
	807	pic.setBackgroundMode(Qt::OpaqueMode);
[107]	808	if (step->price != INFINITY) {
	809	pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, isInteger(step->price) ? QString("\n%1").arg(step->price) : QString("\n%1").arg(step->price, 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()));
	810	} else {
	811	pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, "\n"INFSTR);
	812	}
[106]	813	pic.setBackgroundMode(Qt::TransparentMode);
	814	} else {
	815	pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, tr("Root"));
	816	}
	817
[107]	818	if (nstep == 1) {
	819	pic.drawLine(QPointF(x, y - r), QPointF(r * 2.25, y - 2 * r));
	820	} else if (nstep > 1) {
	821	pic.drawLine(QPointF(x, y - r), QPointF((step->pNode->next == SStep::RightBranch) ? r * 3.5 : r, y - 2 * r));
	822	}
[106]	823
	824	}
	825
[105]	826	void MainWindow::dropEvent(QDropEvent *ev)
	827	{
	828	if (maybeSave() && tspmodel->loadTask(ev->mimeData()->urls().first().toLocalFile())) {
	829	setFileName(ev->mimeData()->urls().first().toLocalFile());
	830	tabWidget->setCurrentIndex(0);
	831	setWindowModified(false);
	832	solutionText->clear();
	833	toggleSolutionActions(false);
	834
[107]	835	ev->setDropAction(Qt::CopyAction);
	836	ev->accept();
[105]	837	}
	838	}
	839
[100]	840	bool MainWindow::hasUpdater() const
	841	{
	842	#ifdef Q_OS_WIN32
	843	return QFile::exists("updater/Update.exe");
	844	#else // Q_OS_WIN32
	845	return false;
	846	#endif // Q_OS_WIN32
	847	}
	848
	849	void MainWindow::initDocStyleSheet()
	850	{
[104]	851	solutionText->document()->setDefaultFont(settings->value("Output/Font", QFont(DEF_FONT_FAMILY, DEF_FONT_SIZE)).value<QFont>());
	852
	853	fmt_paragraph.setTopMargin(0);
	854	fmt_paragraph.setRightMargin(10);
	855	fmt_paragraph.setBottomMargin(0);
	856	fmt_paragraph.setLeftMargin(10);
	857
	858	fmt_table.setTopMargin(5);
	859	fmt_table.setRightMargin(10);
	860	fmt_table.setBottomMargin(5);
	861	fmt_table.setLeftMargin(10);
	862	fmt_table.setBorder(0);
	863	fmt_table.setBorderStyle(QTextFrameFormat::BorderStyle_None);
	864	fmt_table.setCellSpacing(5);
	865
[106]	866	fmt_cell.setAlignment(Qt::AlignHCenter);
[104]	867
	868	QColor color = settings->value("Output/Colors/Text", DEF_TEXT_COLOR).value<QColor>();
[100]	869	QColor hilight;
	870	if (color.value() < 192)
[104]	871	hilight.setHsv(color.hue(), color.saturation(), 127 + qRound(color.value() / 2));
[100]	872	else
[104]	873	hilight.setHsv(color.hue(), color.saturation(), color.value() / 2);
	874
	875	solutionText->document()->setDefaultStyleSheet(QString("* {color: %1;}").arg(color.name()));
	876	fmt_default.setForeground(QBrush(color));
	877
	878	fmt_selected.setForeground(QBrush(settings->value("Output/Colors/Selected", DEF_SELECTED_COLOR).value<QColor>()));
	879	fmt_selected.setFontWeight(QFont::Bold);
	880
	881	fmt_alternate.setForeground(QBrush(settings->value("Output/Colors/Alternate", DEF_ALTERNATE_COLOR).value<QColor>()));
	882	fmt_alternate.setFontWeight(QFont::Bold);
	883	fmt_altlist.setForeground(QBrush(hilight));
	884
	885	solutionText->setTextColor(color);
[100]	886	}
	887
	888	void MainWindow::loadLangList()
	889	{
	890	QDir dir(PATH_L10N, "tspsg_*.qm", QDir::Name \| QDir::IgnoreCase, QDir::Files);
	891	if (!dir.exists())
	892	return;
	893	QFileInfoList langs = dir.entryInfoList();
	894	if (langs.size() <= 0)
	895	return;
	896	QAction *a;
	897	QTranslator t;
	898	QString name;
	899	for (int k = 0; k < langs.size(); k++) {
	900	QFileInfo lang = langs.at(k);
	901	if (lang.completeBaseName().compare("tspsg_en", Qt::CaseInsensitive) && t.load(lang.completeBaseName(), PATH_L10N)) {
	902	name = t.translate("--------", "LANGNAME", "Please, provide a native name of your translation language here.");
	903	a = menuSettingsLanguage->addAction(name);
	904	a->setStatusTip(QString("Set application language to %1").arg(name));
	905	a->setData(lang.completeBaseName().mid(6));
	906	a->setCheckable(true);
	907	a->setActionGroup(groupSettingsLanguageList);
	908	if (settings->value("Language", QLocale::system().name()).toString().startsWith(lang.completeBaseName().mid(6)))
	909	a->setChecked(true);
	910	}
	911	}
	912	}
	913
	914	bool MainWindow::loadLanguage(const QString &lang)
	915	{
	916	// i18n
	917	bool ad = false;
	918	QString lng = lang;
	919	if (lng.isEmpty()) {
	920	ad = settings->value("Language", "").toString().isEmpty();
	921	lng = settings->value("Language", QLocale::system().name()).toString();
	922	}
	923	static QTranslator *qtTranslator; // Qt library translator
	924	if (qtTranslator) {
	925	qApp->removeTranslator(qtTranslator);
	926	delete qtTranslator;
	927	qtTranslator = NULL;
	928	}
	929	static QTranslator *translator; // Application translator
	930	if (translator) {
	931	qApp->removeTranslator(translator);
	932	delete translator;
	933	translator = NULL;
	934	}
	935
	936	if (lng == "en")
	937	return true;
	938
	939	// Trying to load system Qt library translation...
	940	qtTranslator = new QTranslator(this);
	941	if (qtTranslator->load("qt_" + lng, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
	942	qApp->installTranslator(qtTranslator);
	943	else {
	944	// No luck. Let's try to load a bundled one.
	945	if (qtTranslator->load("qt_" + lng, PATH_L10N))
	946	qApp->installTranslator(qtTranslator);
	947	else {
	948	// Qt library translation unavailable
	949	delete qtTranslator;
	950	qtTranslator = NULL;
	951	}
	952	}
	953
	954	// Now let's load application translation.
	955	translator = new QTranslator(this);
	956	if (translator->load("tspsg_" + lng, PATH_L10N))
	957	qApp->installTranslator(translator);
	958	else {
	959	delete translator;
	960	translator = NULL;
	961	if (!ad) {
	962	settings->remove("Language");
	963	QApplication::setOverrideCursor(QCursor(Qt::ArrowCursor));
	964	if (isVisible())
	965	QMessageBox::warning(this, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
	966	else
	967	QMessageBox::warning(NULL, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
	968	QApplication::restoreOverrideCursor();
	969	}
	970	return false;
	971	}
	972	return true;
	973	}
	974
	975	bool MainWindow::maybeSave()
	976	{
	977	if (!isWindowModified())
	978	return true;
	979	int res = QMessageBox::warning(this, tr("Unsaved Changes"), tr("Would you like to save changes in the current task?"), QMessageBox::Save \| QMessageBox::Discard \| QMessageBox::Cancel);
	980	if (res == QMessageBox::Save)
	981	return actionFileSaveTriggered();
	982	else if (res == QMessageBox::Cancel)
	983	return false;
	984	else
	985	return true;
	986	}
	987
[104]	988	void MainWindow::outputMatrix(QTextCursor &cur, const TMatrix &matrix)
[100]	989	{
	990	int n = spinCities->value();
[104]	991	QTextTable *table = cur.insertTable(n, n, fmt_table);
	992
[100]	993	for (int r = 0; r < n; r++) {
	994	for (int c = 0; c < n; c++) {
[104]	995	cur = table->cellAt(r, c).firstCursorPosition();
[106]	996	cur.setBlockFormat(fmt_cell);
[104]	997	cur.setBlockCharFormat(fmt_default);
[100]	998	if (matrix.at(r).at(c) == INFINITY)
[104]	999	cur.insertText(INFSTR);
[100]	1000	else
[104]	1001	cur.insertText(isInteger(matrix.at(r).at(c)) ? QString("%1").arg(matrix.at(r).at(c)) : QString("%1").arg(matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()));
[100]	1002	}
[104]	1003	QApplication::processEvents();
[100]	1004	}
[104]	1005	cur.movePosition(QTextCursor::End);
[100]	1006	}
	1007
[104]	1008	void MainWindow::outputMatrix(QTextCursor &cur, const SStep &step)
[100]	1009	{
	1010	int n = spinCities->value();
[104]	1011	QTextTable *table = cur.insertTable(n, n, fmt_table);
	1012
[100]	1013	for (int r = 0; r < n; r++) {
	1014	for (int c = 0; c < n; c++) {
[104]	1015	cur = table->cellAt(r, c).firstCursorPosition();
[106]	1016	cur.setBlockFormat(fmt_cell);
[100]	1017	if (step.matrix.at(r).at(c) == INFINITY)
[104]	1018	cur.insertText(INFSTR, fmt_default);
[100]	1019	else if ((r == step.candidate.nRow) && (c == step.candidate.nCol))
[104]	1020	cur.insertText(isInteger(step.matrix.at(r).at(c)) ? QString("%1").arg(step.matrix.at(r).at(c)) : QString("%1").arg(step.matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()), fmt_selected);
[100]	1021	else {
[107]	1022	SStep::SCandidate cand;
[100]	1023	cand.nRow = r;
	1024	cand.nCol = c;
	1025	if (step.alts.contains(cand))
[104]	1026	cur.insertText(isInteger(step.matrix.at(r).at(c)) ? QString("%1").arg(step.matrix.at(r).at(c)) : QString("%1").arg(step.matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()), fmt_alternate);
[100]	1027	else
[104]	1028	cur.insertText(isInteger(step.matrix.at(r).at(c)) ? QString("%1").arg(step.matrix.at(r).at(c)) : QString("%1").arg(step.matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()), fmt_default);
[100]	1029	}
	1030	}
[104]	1031	QApplication::processEvents();
[100]	1032	}
[104]	1033
	1034	cur.movePosition(QTextCursor::End);
[100]	1035	}
	1036
	1037	void MainWindow::retranslateUi(bool all)
	1038	{
	1039	if (all)
	1040	Ui::MainWindow::retranslateUi(this);
	1041
	1042	actionSettingsLanguageEnglish->setStatusTip(tr("Set application language to %1").arg("English"));
	1043
	1044	#ifndef QT_NO_PRINTER
	1045	actionFilePrintPreview->setText(QApplication::translate("MainWindow", "P&rint Preview...", 0, QApplication::UnicodeUTF8));
	1046	#ifndef QT_NO_TOOLTIP
	1047	actionFilePrintPreview->setToolTip(QApplication::translate("MainWindow", "Preview solution results", 0, QApplication::UnicodeUTF8));
	1048	#endif // QT_NO_TOOLTIP
	1049	#ifndef QT_NO_STATUSTIP
	1050	actionFilePrintPreview->setStatusTip(QApplication::translate("MainWindow", "Preview current solution results before printing", 0, QApplication::UnicodeUTF8));
	1051	#endif // QT_NO_STATUSTIP
	1052
	1053	actionFilePrint->setText(QApplication::translate("MainWindow", "&Print...", 0, QApplication::UnicodeUTF8));
	1054	#ifndef QT_NO_TOOLTIP
	1055	actionFilePrint->setToolTip(QApplication::translate("MainWindow", "Print solution", 0, QApplication::UnicodeUTF8));
	1056	#endif // QT_NO_TOOLTIP
	1057	#ifndef QT_NO_STATUSTIP
	1058	actionFilePrint->setStatusTip(QApplication::translate("MainWindow", "Print current solution results", 0, QApplication::UnicodeUTF8));
	1059	#endif // QT_NO_STATUSTIP
	1060	actionFilePrint->setShortcut(QApplication::translate("MainWindow", "Ctrl+P", 0, QApplication::UnicodeUTF8));
	1061	#endif // QT_NO_PRINTER
	1062	#ifdef Q_OS_WIN32
	1063	actionHelpCheck4Updates->setText(tr("Check for &Updates..."));
	1064	#ifndef QT_NO_TOOLTIP
	1065	actionHelpCheck4Updates->setToolTip(tr("Check for %1 updates").arg(QApplication::applicationName()));
	1066	#endif // QT_NO_TOOLTIP
	1067	#ifndef QT_NO_STATUSTIP
	1068	actionHelpCheck4Updates->setStatusTip(tr("Check for %1 updates").arg(QApplication::applicationName()));
	1069	#endif // QT_NO_STATUSTIP
	1070	#endif // Q_OS_WIN32
	1071	}
	1072
	1073	bool MainWindow::saveTask() {
	1074	QStringList filters(tr("%1 Task File").arg("TSPSG") + " (*.tspt)");
	1075	filters.append(tr("All Files") + " (*)");
	1076	QString file;
	1077	if (fileName.endsWith(".tspt", Qt::CaseInsensitive))
	1078	file = fileName;
	1079	else
	1080	file = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt";
	1081
	1082	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
	1083	file = QFileDialog::getSaveFileName(this, tr("Task Save"), file, filters.join(";;"), NULL, opts);
	1084
	1085	if (file.isEmpty())
	1086	return false;
	1087	if (tspmodel->saveTask(file)) {
	1088	setFileName(file);
	1089	setWindowModified(false);
	1090	return true;
	1091	}
	1092	return false;
	1093	}
	1094
	1095	void MainWindow::setFileName(const QString &fileName)
	1096	{
	1097	this->fileName = fileName;
	1098	setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(tr("Travelling Salesman Problem")));
	1099	}
	1100
	1101	void MainWindow::setupUi()
	1102	{
	1103	Ui::MainWindow::setupUi(this);
	1104
	1105	#if QT_VERSION >= 0x040600
	1106	setToolButtonStyle(Qt::ToolButtonFollowStyle);
	1107	#endif
	1108
	1109	#ifndef HANDHELD
	1110	QStatusBar *statusbar = new QStatusBar(this);
	1111	statusbar->setObjectName("statusbar");
	1112	setStatusBar(statusbar);
	1113	#endif // HANDHELD
	1114
	1115	#ifdef Q_OS_WINCE_WM
	1116	menuBar()->setDefaultAction(menuFile->menuAction());
	1117
	1118	QScrollArea *scrollArea = new QScrollArea(this);
	1119	scrollArea->setFrameShape(QFrame::NoFrame);
	1120	scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
	1121	scrollArea->setWidgetResizable(true);
	1122	scrollArea->setWidget(tabWidget);
	1123	setCentralWidget(scrollArea);
	1124	#else
	1125	setCentralWidget(tabWidget);
	1126	#endif // Q_OS_WINCE_WM
	1127
	1128	//! \hack HACK: A little hack for toolbar icons to have a sane size.
	1129	#ifdef Q_OS_WINCE_WM
	1130	toolBar->setIconSize(QSize(logicalDpiX() / 4, logicalDpiY() / 4));
	1131	#elif defined(Q_OS_SYMBIAN)
	1132	toolBar->setIconSize(QSize(logicalDpiX() / 5, logicalDpiY() / 5));
	1133	#endif // Q_OS_WINCE_WM
	1134
[104]	1135	solutionText->document()->setDefaultFont(settings->value("Output/Font", QFont(DEF_FONT_FAMILY, DEF_FONT_SIZE)).value<QFont>());
[100]	1136	solutionText->setWordWrapMode(QTextOption::WordWrap);
	1137
	1138	#ifndef QT_NO_PRINTER
	1139	actionFilePrintPreview = new QAction(this);
	1140	actionFilePrintPreview->setObjectName("actionFilePrintPreview");
	1141	actionFilePrintPreview->setEnabled(false);
	1142	actionFilePrintPreview->setIcon(QIcon(":/images/icons/document_preview.png"));
	1143
	1144	actionFilePrint = new QAction(this);
	1145	actionFilePrint->setObjectName("actionFilePrint");
	1146	actionFilePrint->setEnabled(false);
	1147	actionFilePrint->setIcon(QIcon(":/images/icons/fileprint.png"));
	1148
	1149	menuFile->insertAction(actionFileExit,actionFilePrintPreview);
	1150	menuFile->insertAction(actionFileExit,actionFilePrint);
	1151	menuFile->insertSeparator(actionFileExit);
	1152
	1153	toolBar->insertAction(actionSettingsPreferences,actionFilePrint);
	1154	#endif // QT_NO_PRINTER
	1155	#ifdef Q_OS_WIN32
	1156	actionHelpCheck4Updates = new QAction(this);
	1157	actionHelpCheck4Updates->setEnabled(hasUpdater());
	1158	menuHelp->insertAction(actionHelpAboutQt, actionHelpCheck4Updates);
	1159	menuHelp->insertSeparator(actionHelpAboutQt);
	1160	#endif // Q_OS_WIN32
	1161
	1162	groupSettingsLanguageList = new QActionGroup(this);
	1163	actionSettingsLanguageEnglish->setData("en");
	1164	actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
	1165	loadLangList();
	1166	actionSettingsLanguageAutodetect->setChecked(settings->value("Language", "").toString().isEmpty());
	1167
	1168	spinCities->setMaximum(MAX_NUM_CITIES);
	1169
	1170	retranslateUi(false);
	1171
	1172	#ifdef Q_OS_WIN32
	1173	// Adding some eyecandy in Vista and 7 :-)
	1174	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
	1175	toggleTranclucency(true);
	1176	}
	1177	#endif // Q_OS_WIN32
	1178	}
	1179
	1180	void MainWindow::toggleSolutionActions(bool enable)
	1181	{
	1182	buttonSaveSolution->setEnabled(enable);
	1183	actionFileSaveAsSolution->setEnabled(enable);
	1184	solutionText->setEnabled(enable);
	1185	#ifndef QT_NO_PRINTER
	1186	actionFilePrint->setEnabled(enable);
	1187	actionFilePrintPreview->setEnabled(enable);
	1188	#endif // QT_NO_PRINTER
	1189	}
	1190
	1191	void MainWindow::toggleTranclucency(bool enable)
	1192	{
	1193	#ifdef Q_OS_WIN32
	1194	toggleStyle(labelVariant, enable);
	1195	toggleStyle(labelCities, enable);
	1196	toggleStyle(statusBar(), enable);
	1197	tabWidget->setDocumentMode(enable);
	1198	QtWin::enableBlurBehindWindow(this, enable);
	1199	#else
	1200	Q_UNUSED(enable);
	1201	#endif // Q_OS_WIN32
	1202	}

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