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source: tspsg-svn/trunk/src/mainwindow.cpp @ 98

Last change on this file since 98 was 98, checked in by laleppa, 15 years ago

+ Translatable About dialog.

Improved installation rules in .pro file.
Disabled SVG and JPEG support. They aren't needed at this point.
Fixed a bug when labels were hardly visible under Windows Vista/7 whith translucency on and a dark background behind the application.
Fixed a bug when Main Window area was blank if the application was compiled using Qt < 4.6.0.

Property svn:keywords set to Id URL

File size: 35.4 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 98 2010-03-12 19:28:42Z laleppa $
	6	* $URL: https://tspsg.svn.sourceforge.net/svnroot/tspsg/trunk/src/mainwindow.cpp $
[4]	7	*
[6]	8	* This file is part of TSPSG.
[1]	9	*
[6]	10	* TSPSG is free software: you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License as published by
	12	* the Free Software Foundation, either version 3 of the License, or
	13	* (at your option) any later version.
[1]	14	*
[6]	15	* TSPSG is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
[1]	19	*
[6]	20	* You should have received a copy of the GNU General Public License
	21	* along with TSPSG. If not, see <http://www.gnu.org/licenses/>.
[1]	22	*/
	23
	24	#include "mainwindow.h"
	25
[65]	26	/*!
	27	* \brief Class constructor.
	28	* \param parent Main Window parent widget.
	29	*
	30	* Initializes Main Window and creates its layout based on target OS.
	31	* Loads TSPSG settings and opens a task file if it was specified as a commandline parameter.
	32	*/
[1]	33	MainWindow::MainWindow(QWidget *parent)
[21]	34	: QMainWindow(parent)
[1]	35	{
[80]	36	settings = new QSettings(QSettings::IniFormat, QSettings::UserScope, "TSPSG", "tspsg", this);
[94]	37
[29]	38	loadLanguage();
[80]	39	setupUi();
	40
[42]	41	initDocStyleSheet();
[80]	42
[54]	43	#ifndef QT_NO_PRINTER
[52]	44	printer = new QPrinter(QPrinter::HighResolution);
[54]	45	#endif // QT_NO_PRINTER
[80]	46
[94]	47	#ifdef Q_OS_WINCE
	48	currentGeometry = QApplication::desktop()->availableGeometry(0);
	49	// We need to react to SIP show/hide and resize the window appropriately
	50	connect(QApplication::desktop(), SIGNAL(workAreaResized(int)), SLOT(desktopResized(int)));
	51	#endif // Q_OS_WINCE
[29]	52	connect(actionFileNew,SIGNAL(triggered()),this,SLOT(actionFileNewTriggered()));
[31]	53	connect(actionFileOpen,SIGNAL(triggered()),this,SLOT(actionFileOpenTriggered()));
[50]	54	connect(actionFileSave,SIGNAL(triggered()),this,SLOT(actionFileSaveTriggered()));
[42]	55	connect(actionFileSaveAsTask,SIGNAL(triggered()),this,SLOT(actionFileSaveAsTaskTriggered()));
	56	connect(actionFileSaveAsSolution,SIGNAL(triggered()),this,SLOT(actionFileSaveAsSolutionTriggered()));
[80]	57	#ifndef QT_NO_PRINTER
	58	connect(actionFilePrintPreview,SIGNAL(triggered()),this,SLOT(actionFilePrintPreviewTriggered()));
	59	connect(actionFilePrint,SIGNAL(triggered()),this,SLOT(actionFilePrintTriggered()));
	60	#endif // QT_NO_PRINTER
[29]	61	connect(actionSettingsPreferences,SIGNAL(triggered()),this,SLOT(actionSettingsPreferencesTriggered()));
	62	connect(actionSettingsLanguageAutodetect,SIGNAL(triggered(bool)),this,SLOT(actionSettingsLanguageAutodetectTriggered(bool)));
	63	connect(groupSettingsLanguageList,SIGNAL(triggered(QAction )),this,SLOT(groupSettingsLanguageListTriggered(QAction )));
[37]	64	connect(actionHelpAboutQt,SIGNAL(triggered()),qApp,SLOT(aboutQt()));
[29]	65	connect(actionHelpAbout,SIGNAL(triggered()),this,SLOT(actionHelpAboutTriggered()));
[80]	66
[29]	67	connect(buttonSolve,SIGNAL(clicked()),this,SLOT(buttonSolveClicked()));
	68	connect(buttonRandom,SIGNAL(clicked()),this,SLOT(buttonRandomClicked()));
[50]	69	connect(buttonBackToTask,SIGNAL(clicked()),this,SLOT(buttonBackToTaskClicked()));
[29]	70	connect(spinCities,SIGNAL(valueChanged(int)),this,SLOT(spinCitiesValueChanged(int)));
[71]	71
[93]	72	#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
[95]	73	// Centering main window
	74	QRect rect = geometry();
	75	rect.moveCenter(QApplication::desktop()->availableGeometry(this).center());
	76	setGeometry(rect);
[82]	77	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
[21]	78	// Loading of saved window state
[23]	79	settings->beginGroup("MainWindow");
[71]	80	restoreGeometry(settings->value("Geometry").toByteArray());
	81	restoreState(settings->value("State").toByteArray());
[23]	82	settings->endGroup();
[93]	83	}
	84	#else
[94]	85	setWindowState(Qt::WindowMaximized);
[71]	86	#endif // Q_OS_WINCE
	87
	88	tspmodel = new CTSPModel(this);
[52]	89	taskView->setModel(tspmodel);
[31]	90	connect(tspmodel,SIGNAL(numCitiesChanged(int)),this,SLOT(numCitiesChanged(int)));
[57]	91	connect(tspmodel,SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),this,SLOT(dataChanged(const QModelIndex &, const QModelIndex &)));
[37]	92	connect(tspmodel,SIGNAL(layoutChanged()),this,SLOT(dataChanged()));
[50]	93	if ((QCoreApplication::arguments().count() > 1) && (tspmodel->loadTask(QCoreApplication::arguments().at(1))))
[47]	94	setFileName(QCoreApplication::arguments().at(1));
[50]	95	else {
[47]	96	setFileName();
[50]	97	spinCities->setValue(settings->value("NumCities",DEF_NUM_CITIES).toInt());
[52]	98	spinCitiesValueChanged(spinCities->value());
[50]	99	}
	100	setWindowModified(false);
[6]	101	}
	102
[80]	103	MainWindow::~MainWindow()
	104	{
	105	#ifndef QT_NO_PRINTER
	106	delete printer;
	107	#endif
	108	}
	109
[67]	110	/* Privates **********************************************************/
[42]	111
[29]	112	void MainWindow::actionFileNewTriggered()
[1]	113	{
[47]	114	if (!maybeSave())
	115	return;
[54]	116	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[29]	117	tspmodel->clear();
[47]	118	setFileName();
[37]	119	setWindowModified(false);
[42]	120	tabWidget->setCurrentIndex(0);
	121	solutionText->clear();
[78]	122	toggleSolutionActions(false);
[54]	123	QApplication::restoreOverrideCursor();
[29]	124	}
	125
[31]	126	void MainWindow::actionFileOpenTriggered()
	127	{
[47]	128	if (!maybeSave())
	129	return;
[78]	130
[87]	131	QStringList filters(tr("All Supported Formats") + " (.tspt .zkt)");
	132	filters.append(tr("%1 Task Files").arg("TSPSG") + " (*.tspt)");
	133	filters.append(tr("%1 Task Files").arg("ZKomModRd") + " (*.zkt)");
	134	filters.append(tr("All Files") + " (*)");
[78]	135
[82]	136	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
[87]	137	QString file = QFileDialog::getOpenFileName(this, tr("Task Load"), QString(), filters.join(";;"), NULL, opts);
[78]	138	if (file.isEmpty() \|\| !QFileInfo(file).isFile())
[31]	139	return;
[78]	140	if (!tspmodel->loadTask(file))
[31]	141	return;
[78]	142	setFileName(file);
[47]	143	tabWidget->setCurrentIndex(0);
[37]	144	setWindowModified(false);
[42]	145	solutionText->clear();
[78]	146	toggleSolutionActions(false);
[31]	147	}
	148
[50]	149	void MainWindow::actionFileSaveTriggered()
	150	{
[96]	151	qDebug() << tr("Untitled");
	152	if ((fileName == tr("Untitled") + ".tspt") \|\| (!fileName.endsWith(".tspt", Qt::CaseInsensitive)))
[50]	153	saveTask();
[59]	154	else
[50]	155	if (tspmodel->saveTask(fileName))
	156	setWindowModified(false);
	157	}
	158
[42]	159	void MainWindow::actionFileSaveAsTaskTriggered()
[31]	160	{
[37]	161	saveTask();
	162	}
	163
[42]	164	void MainWindow::actionFileSaveAsSolutionTriggered()
	165	{
	166	static QString selectedFile;
[78]	167	if (selectedFile.isEmpty()) {
[87]	168	if (fileName == tr("Untitled") + ".tspt") {
[55]	169	#ifndef QT_NO_PRINTER
[78]	170	selectedFile = "solution.pdf";
[55]	171	#else
[78]	172	selectedFile = "solution.html";
[55]	173	#endif // QT_NO_PRINTER
[78]	174	} else {
	175	#ifndef QT_NO_PRINTER
	176	selectedFile = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".pdf";
	177	#else
	178	selectedFile = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".html";
	179	#endif // QT_NO_PRINTER
	180	}
	181	}
	182
[55]	183	QStringList filters;
	184	#ifndef QT_NO_PRINTER
[87]	185	filters.append(tr("PDF Files") + " (*.pdf)");
[55]	186	#endif
[87]	187	filters.append(tr("HTML Files") + " (.html .htm)");
[45]	188	#if QT_VERSION >= 0x040500
[87]	189	filters.append(tr("OpenDocument Files") + " (*.odt)");
[45]	190	#endif // QT_VERSION >= 0x040500
[87]	191	filters.append(tr("All Files") + " (*)");
[78]	192
[82]	193	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
	194	QString file = QFileDialog::getSaveFileName(this, QString(), selectedFile, filters.join(";;"), NULL, opts);
[78]	195	if (file.isEmpty())
[42]	196	return;
[78]	197	selectedFile = file;
[51]	198	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[55]	199	#ifndef QT_NO_PRINTER
	200	if (selectedFile.endsWith(".pdf",Qt::CaseInsensitive)) {
	201	QPrinter printer(QPrinter::HighResolution);
	202	printer.setOutputFormat(QPrinter::PdfFormat);
	203	printer.setOutputFileName(selectedFile);
	204	solutionText->document()->print(&printer);
	205	QApplication::restoreOverrideCursor();
	206	return;
	207	}
	208	#endif
[45]	209	#if QT_VERSION >= 0x040500
[42]	210	QTextDocumentWriter dw(selectedFile);
	211	if (!(selectedFile.endsWith(".htm",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".html",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".odt",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".txt",Qt::CaseInsensitive)))
	212	dw.setFormat("plaintext");
	213	dw.write(solutionText->document());
[45]	214	#else
	215	// Qt < 4.5 has no QTextDocumentWriter class
	216	QFile file(selectedFile);
[51]	217	if (!file.open(QFile::WriteOnly)) {
	218	QApplication::restoreOverrideCursor();
[45]	219	return;
[51]	220	}
[45]	221	QTextStream ts(&file);
	222	ts.setCodec(QTextCodec::codecForName("UTF-8"));
	223	ts << solutionText->document()->toHtml("UTF-8");
[51]	224	file.close();
[45]	225	#endif // QT_VERSION >= 0x040500
[51]	226	QApplication::restoreOverrideCursor();
[42]	227	}
	228
[67]	229	#ifndef QT_NO_PRINTER
	230	void MainWindow::actionFilePrintPreviewTriggered()
	231	{
	232	QPrintPreviewDialog ppd(printer, this);
[92]	233	connect(&ppd,SIGNAL(paintRequested(QPrinter )),SLOT(printPreview(QPrinter )));
	234	ppd.exec();
[31]	235	}
	236
[67]	237	void MainWindow::actionFilePrintTriggered()
	238	{
	239	QPrintDialog pd(printer,this);
	240	#if QT_VERSION >= 0x040500
	241	// No such methods in Qt < 4.5
	242	pd.setOption(QAbstractPrintDialog::PrintSelection,false);
	243	pd.setOption(QAbstractPrintDialog::PrintPageRange,false);
	244	#endif
	245	if (pd.exec() != QDialog::Accepted)
	246	return;
	247	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	248	solutionText->document()->print(printer);
	249	QApplication::restoreOverrideCursor();
	250	}
	251	#endif // QT_NO_PRINTER
	252
[29]	253	void MainWindow::actionSettingsPreferencesTriggered()
	254	{
[1]	255	SettingsDialog sd(this);
[42]	256	if (sd.exec() != QDialog::Accepted)
	257	return;
	258	if (sd.colorChanged() \|\| sd.fontChanged()) {
	259	initDocStyleSheet();
[87]	260	if (!output.isEmpty() && sd.colorChanged() && (QMessageBox(QMessageBox::Question,tr("Settings Changed"),tr("You have changed color settings.\nDo you wish to apply them to current solution text?"),QMessageBox::Yes \| QMessageBox::No,this).exec() == QMessageBox::Yes)) {
[42]	261	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	262	solutionText->clear();
	263	solutionText->setHtml(output.join(""));
	264	QApplication::restoreOverrideCursor();
	265	}
	266	}
[92]	267	if (sd.translucencyChanged() != 0) {
	268	toggleTranclucency(sd.translucencyChanged() == 1);
	269	}
[1]	270	}
[6]	271
[67]	272	void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked)
[17]	273	{
[67]	274	if (checked) {
	275	settings->remove("Language");
[94]	276	QMessageBox::information(this, tr("Language change"), tr("Language will be autodetected on next application start."));
[67]	277	} else
[94]	278	settings->setValue("Language", groupSettingsLanguageList->checkedAction()->data().toString());
[52]	279	}
	280
[67]	281	void MainWindow::groupSettingsLanguageListTriggered(QAction *action)
[52]	282	{
[67]	283	if (actionSettingsLanguageAutodetect->isChecked()) {
	284	// We have language autodetection. It needs to be disabled to change language.
[87]	285	if (QMessageBox(QMessageBox::Question,tr("Language change"),tr("You have language autodetection turned on.\nIt needs to be off.\nDo you wish to turn it off?"),QMessageBox::Yes \| QMessageBox::No,this).exec() == QMessageBox::Yes) {
[67]	286	actionSettingsLanguageAutodetect->trigger();
	287	} else
	288	return;
	289	}
[87]	290	bool untitled = (fileName == tr("Untitled") + ".tspt");
[67]	291	if (loadLanguage(action->data().toString())) {
[80]	292	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[67]	293	settings->setValue("Language",action->data().toString());
[80]	294	retranslateUi();
[67]	295	if (untitled)
	296	setFileName();
[98]	297	#ifdef Q_OS_WIN32
	298	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
	299	toggleStyle(labelVariant, true);
	300	toggleStyle(labelCities, true);
	301	}
	302	#endif
[80]	303	QApplication::restoreOverrideCursor();
[67]	304	}
[52]	305	}
	306
[67]	307	void MainWindow::actionHelpAboutTriggered()
[52]	308	{
[67]	309	//! \todo TODO: Normal about window :-)
[78]	310	QString title;
[93]	311	#if defined(Q_OS_WINCE) \|\| defined(Q_OS_SYMBIAN)
[98]	312	title += QString("<b>TSPSG<br>TSP Solver and Generator</b><br>");
[78]	313	#else
[98]	314	title += QString("<b>TSPSG: TSP Solver and Generator</b><br>");
	315	#endif // Q_OS_WINCE \|\| Q_OS_SYMBIAN
	316	title += QString("%1: <b>%2</b><br>").arg(tr("Version"), BUILD_VERSION);
	317	#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
	318	title += QString("<b>© 2007-%1 Oleksii \"Lёppa\" Serdiuk</b><br>").arg(QDate::currentDate().toString("yyyy"));
	319	title += QString("<b><a href=\"http://tspsg.sourceforge.net/\">http://tspsg.sourceforge.net/</a></b>");
	320	#else
	321	title += QString("<b><a href=\"http://tspsg.sourceforge.net/\">http://tspsg.sf.net/</a></b>");
	322	#endif // Q_OS_WINCE && Q_OS_SYMBIAN
	323
[78]	324	QString about;
[98]	325	about += QString("%1: <b>%2</b><br>").arg(tr("Target OS (ARCH)"), OS);
[78]	326	#ifndef STATIC_BUILD
[98]	327	about += QString("%1 (%2):<br>").arg(tr("Qt library"), tr("shared"));
	328	about += QString("    %1: <b>%2</b><br>").arg(tr("Build time"), QT_VERSION_STR);
	329	about += QString("    %1: <b>%2</b><br>").arg(tr("Runtime"), qVersion());
[78]	330	#else
[98]	331	about += QString("%1: <b>%2</b> (%3)<br>").arg(tr("Qt library"), QT_VERSION_STR, tr("static"));
[78]	332	#endif // STATIC_BUILD
[98]	333	about += tr("Buid <b>%1</b>, built on <b>%2</b> at <b>%3</b>").arg(BUILD_NUMBER).arg(__DATE__).arg(__TIME__) + "<br>";
	334	about += QString("%1: <b>%2</b><br>").arg(tr("Algorithm"), CTSPSolver::getVersionId());
[74]	335	about += "<br>";
[98]	336	about += tr("TSPSG is free software: you can redistribute it and/or modify it<br>"
[74]	337	"under the terms of the GNU General Public License as published<br>"
	338	"by the Free Software Foundation, either version 3 of the License,<br>"
	339	"or (at your option) any later version.<br>"
	340	"<br>"
	341	"TSPSG is distributed in the hope that it will be useful, but<br>"
	342	"WITHOUT ANY WARRANTY; without even the implied warranty of<br>"
	343	"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>"
	344	"GNU General Public License for more details.<br>"
	345	"<br>"
	346	"You should have received a copy of the GNU General Public License<br>"
[98]	347	"along with TSPSG. If not, see <a href=\"http://www.gnu.org/licenses/\">http://www.gnu.org/licenses/</a>.");
[74]	348
	349	QDialog *dlg = new QDialog(this);
[78]	350	QLabel *lblIcon = new QLabel(dlg),
[98]	351	*lblTitle = new QLabel(dlg),
	352	*lblTranslated = new QLabel(dlg);
	353	#if defined(Q_OS_WINCE) \|\| defined(Q_OS_SYMBIAN)
	354	QLabel *lblSubTitle = new QLabel(QString("<b>© 2007-%1 Oleksii \"Lёppa\" Serdiuk</b>").arg(QDate::currentDate().toString("yyyy")), dlg);
	355	#endif // Q_OS_WINCE \|\| Q_OS_SYMBIAN
[74]	356	QTextBrowser *txtAbout = new QTextBrowser(dlg);
[78]	357	QVBoxLayout *vb = new QVBoxLayout();
[98]	358	QHBoxLayout *hb1 = new QHBoxLayout(),
	359	*hb2 = new QHBoxLayout();
[74]	360	QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok, Qt::Horizontal, dlg);
	361
[78]	362	lblIcon->setPixmap(QPixmap(":/images/tspsg.png").scaledToWidth(logicalDpiX() * 2 / 3, Qt::SmoothTransformation));
	363	lblIcon->setAlignment(Qt::AlignTop);
[98]	364	#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
	365	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()));
	366	#endif
	367
[80]	368	lblTitle->setOpenExternalLinks(true);
[78]	369	lblTitle->setText(title);
[98]	370	lblTitle->setAlignment(Qt::AlignTop);
	371	lblTitle->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
	372	#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
	373	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()));
	374	#endif
[74]	375
[98]	376	hb1->addWidget(lblIcon);
	377	hb1->addWidget(lblTitle);
[74]	378
	379	txtAbout->setWordWrapMode(QTextOption::NoWrap);
	380	txtAbout->setOpenExternalLinks(true);
	381	txtAbout->setHtml(about);
	382	txtAbout->moveCursor(QTextCursor::Start);
[98]	383	#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
	384	txtAbout->setStyleSheet(QString("QTextBrowser {border-color: %1; border-width: 1px; border-style: solid; border-radius: 3px;}").arg(palette().shadow().color().name()));
	385	#endif
[74]	386
[92]	387	bb->button(QDialogButtonBox::Ok)->setCursor(QCursor(Qt::PointingHandCursor));
	388
[98]	389	lblTranslated->setText(QApplication::translate("--------", "TRANSLATION", "Please, provide translator credits here."));
	390	if (lblTranslated->text() == "TRANSLATION")
	391	lblTranslated->hide();
	392	else {
	393	lblTranslated->setOpenExternalLinks(true);
	394	#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
	395	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()));
	396	#endif
	397	hb2->addWidget(lblTranslated);
	398	}
	399
	400	hb2->addWidget(bb);
	401
	402	#if defined(Q_OS_WINCE)
	403	vb->setMargin(3);
	404	#endif
	405	vb->addLayout(hb1);
	406	#if defined(Q_OS_WINCE) \|\| defined(Q_OS_SYMBIAN)
	407	vb->addWidget(lblSubTitle);
	408	#endif // Q_OS_WINCE \|\| Q_OS_SYMBIAN
[78]	409	vb->addWidget(txtAbout);
[98]	410	vb->addLayout(hb2);
[74]	411
[98]	412	dlg->setWindowFlags(Qt::Dialog \| Qt::CustomizeWindowHint \| Qt::WindowTitleHint \| Qt::WindowCloseButtonHint \| Qt::MSWindowsFixedSizeDialogHint);
[87]	413	dlg->setWindowTitle(tr("About TSPSG"));
[78]	414	dlg->setLayout(vb);
[74]	415
	416	connect(bb, SIGNAL(accepted()), dlg, SLOT(accept()));
	417
[96]	418	#ifdef Q_OS_WIN32
[92]	419	// Adding some eyecandy in Vista and 7 :-)
	420	if (QtWin::isCompositionEnabled()) {
	421	QtWin::enableBlurBehindWindow(dlg, true);
	422	}
[96]	423	#endif // Q_OS_WIN32
[92]	424
[98]	425	dlg->resize(450, 350);
	426
[74]	427	dlg->exec();
	428
	429	delete dlg;
[17]	430	}
	431
[50]	432	void MainWindow::buttonBackToTaskClicked()
	433	{
	434	tabWidget->setCurrentIndex(0);
	435	}
	436
[67]	437	void MainWindow::buttonRandomClicked()
[42]	438	{
[67]	439	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	440	tspmodel->randomize();
	441	QApplication::restoreOverrideCursor();
[42]	442	}
	443
[29]	444	void MainWindow::buttonSolveClicked()
[6]	445	{
[74]	446	TMatrix matrix;
[89]	447	QList<double> row;
[15]	448	int n = spinCities->value();
[13]	449	bool ok;
[15]	450	for (int r = 0; r < n; r++) {
[42]	451	row.clear();
[15]	452	for (int c = 0; c < n; c++) {
[89]	453	row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok));
[15]	454	if (!ok) {
[87]	455	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]	456	return;
[13]	457	}
	458	}
	459	matrix.append(row);
	460	}
	461	CTSPSolver solver;
[74]	462	SStep *root = solver.solve(n,matrix,this);
[13]	463	if (!root)
[42]	464	return;
	465	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
	466	QColor color = settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>();
	467	output.clear();
[87]	468	output.append("<p>" + tr("Variant #%1").arg(spinVariant->value()) + "</p>");
	469	output.append("<p>" + tr("Task:") + "</p>");
[78]	470	outputMatrix(matrix, output);
[42]	471	output.append("<hr>");
[87]	472	output.append("<p>" + tr("Solution of Variant #%1 task").arg(spinVariant->value()) + "</p>");
[74]	473	SStep *step = root;
[42]	474	n = 1;
	475	while (n <= spinCities->value()) {
[74]	476	if (step->prNode->prNode != NULL \|\| ((step->prNode->prNode == NULL) && (step->plNode->prNode == NULL))) {
[42]	477	if (n != spinCities->value()) {
[87]	478	output.append("<p>" + tr("Step #%1").arg(n++) + "</p>");
[91]	479	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]	480	outputMatrix(*step, output);
	481	}
[87]	482	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]	483	if (!step->alts.empty()) {
[76]	484	SCandidate cand;
[74]	485	QString alts;
	486	foreach(cand, step->alts) {
	487	if (!alts.isEmpty())
	488	alts += ", ";
[87]	489	alts += tr("(%1;%2)").arg(cand.nRow + 1).arg(cand.nCol + 1);
[74]	490	}
[87]	491	output.append("<p class=\"hasalts\">" + tr("%n alternate candidate(s) for branching: %1.","",step->alts.count()).arg(alts) + "</p>");
[74]	492	}
[42]	493	output.append("<p> </p>");
	494	}
	495	}
	496	if (step->prNode->prNode != NULL)
	497	step = step->prNode;
	498	else if (step->plNode->prNode != NULL)
	499	step = step->plNode;
	500	else
	501	break;
	502	}
[60]	503	if (solver.isOptimal())
[87]	504	output.append("<p>" + tr("Optimal path:") + "</p>");
[60]	505	else
[87]	506	output.append("<p>" + tr("Resulting path:") + "</p>");
[60]	507	output.append("<p>  " + solver.getSortedPath() + "</p>");
[81]	508	if (isInteger(step->price))
[93]	509	output.append("<p>" + tr("The price is <b>%n</b> unit(s).", "", qRound(step->price)) + "</p>");
[81]	510	else
[87]	511	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]	512	if (!solver.isOptimal()) {
	513	output.append("<p> </p>");
[87]	514	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]	515	}
[65]	516	output.append("<p></p>");
[78]	517
[42]	518	solutionText->setHtml(output.join(""));
[87]	519	solutionText->setDocumentTitle(tr("Solution of Variant #%1 task").arg(spinVariant->value()));
[65]	520
[81]	521	if (settings->value("Output/ScrollToEnd", DEF_SCROLL_TO_END).toBool()) {
	522	// Scrolling to the end of text.
	523	solutionText->moveCursor(QTextCursor::End);
	524	}
[65]	525
[78]	526	toggleSolutionActions();
[42]	527	tabWidget->setCurrentIndex(1);
	528	QApplication::restoreOverrideCursor();
[6]	529	}
[21]	530
[67]	531	void MainWindow::dataChanged()
[21]	532	{
[67]	533	setWindowModified(true);
[21]	534	}
	535
[67]	536	void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br)
	537	{
	538	setWindowModified(true);
[82]	539	if (settings->value("Autosize", DEF_AUTOSIZE).toBool()) {
[67]	540	for (int k = tl.row(); k <= br.row(); k++)
	541	taskView->resizeRowToContents(k);
	542	for (int k = tl.column(); k <= br.column(); k++)
	543	taskView->resizeColumnToContents(k);
	544	}
	545	}
	546
[94]	547	#ifdef Q_OS_WINCE
[95]	548	void MainWindow::changeEvent(QEvent *ev)
	549	{
	550	if ((ev->type() == QEvent::ActivationChange) && isActiveWindow())
	551	desktopResized(0);
	552
	553	QWidget::changeEvent(ev);
	554	}
	555
[94]	556	void MainWindow::desktopResized(int screen)
	557	{
[95]	558	if ((screen != 0) \|\| !isActiveWindow())
[94]	559	return;
	560
	561	QRect availableGeometry = QApplication::desktop()->availableGeometry(0);
	562	if (currentGeometry != availableGeometry) {
[95]	563	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[94]	564	/*!
	565	* \hack HACK: This hack checks whether \link QDesktopWidget::availableGeometry() availableGeometry()\endlink's \c top + \c hegiht = \link QDesktopWidget::screenGeometry() screenGeometry()\endlink's \c height.
	566	* If \c true, the window gets maximized. If we used \c setGeometry() in this case, the bottom of the
	567	* window would end up being behind the soft buttons. Is this a bug in Qt or Windows Mobile?
	568	*/
	569	if ((availableGeometry.top() + availableGeometry.height()) == QApplication::desktop()->screenGeometry().height()) {
	570	setWindowState(windowState() \| Qt::WindowMaximized);
	571	} else {
	572	if (windowState() & Qt::WindowMaximized)
	573	setWindowState(windowState() ^ Qt::WindowMaximized);
	574	setGeometry(availableGeometry);
	575	}
[95]	576	currentGeometry = availableGeometry;
	577	QApplication::restoreOverrideCursor();
[94]	578	}
	579	}
	580	#endif // Q_OS_WINCE
	581
[67]	582	void MainWindow::numCitiesChanged(int nCities)
	583	{
	584	blockSignals(true);
	585	spinCities->setValue(nCities);
	586	blockSignals(false);
	587	}
	588
	589	#ifndef QT_NO_PRINTER
	590	void MainWindow::printPreview(QPrinter *printer)
	591	{
	592	solutionText->print(printer);
	593	}
	594	#endif // QT_NO_PRINTER
	595
	596	void MainWindow::spinCitiesValueChanged(int n)
	597	{
[80]	598	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
[67]	599	int count = tspmodel->numCities();
	600	tspmodel->setNumCities(n);
[82]	601	if ((n > count) && settings->value("Autosize", DEF_AUTOSIZE).toBool())
[67]	602	for (int k = count; k < n; k++) {
	603	taskView->resizeColumnToContents(k);
	604	taskView->resizeRowToContents(k);
	605	}
[80]	606	QApplication::restoreOverrideCursor();
[67]	607	}
	608
[71]	609	void MainWindow::closeEvent(QCloseEvent *ev)
[69]	610	{
	611	if (!maybeSave()) {
[71]	612	ev->ignore();
[69]	613	return;
	614	}
[95]	615	if (!settings->value("SettingsReset", false).toBool()) {
	616	settings->setValue("NumCities", spinCities->value());
[71]	617
[95]	618	// Saving Main Window state
	619	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
	620	settings->beginGroup("MainWindow");
[93]	621	#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
[95]	622	settings->setValue("Geometry", saveGeometry());
[71]	623	#endif // Q_OS_WINCE
[95]	624	settings->setValue("State", saveState());
	625	settings->endGroup();
	626	}
	627	} else {
	628	settings->remove("SettingsReset");
[69]	629	}
[71]	630
	631	QMainWindow::closeEvent(ev);
[69]	632	}
	633
[67]	634	void MainWindow::initDocStyleSheet()
	635	{
	636	QColor color = settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>();
	637	QColor hilight;
	638	if (color.value() < 192)
	639	hilight.setHsv(color.hue(),color.saturation(),127 + qRound(color.value() / 2));
	640	else
	641	hilight.setHsv(color.hue(),color.saturation(),color.value() / 2);
	642	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;}");
	643	solutionText->document()->setDefaultFont(settings->value("Output/Font",QFont(DEF_FONT_FAMILY,DEF_FONT_SIZE)).value<QFont>());
	644	}
	645
[29]	646	void MainWindow::loadLangList()
	647	{
[96]	648	QDir dir(PATH_L10N, "tspsg_*.qm", QDir::Name \| QDir::IgnoreCase, QDir::Files);
[29]	649	if (!dir.exists())
	650	return;
	651	QFileInfoList langs = dir.entryInfoList();
	652	if (langs.size() <= 0)
	653	return;
	654	QAction *a;
[94]	655	QTranslator t;
	656	QString name;
[29]	657	for (int k = 0; k < langs.size(); k++) {
	658	QFileInfo lang = langs.at(k);
[96]	659	if (lang.completeBaseName().compare("tspsg_en", Qt::CaseInsensitive) && t.load(lang.completeBaseName(), PATH_L10N)) {
[94]	660	name = t.translate("--------", "LANGNAME", "Please, provide a native name of your translation language here.");
	661	a = menuSettingsLanguage->addAction(name);
	662	a->setStatusTip(QString("Set application language to %1").arg(name));
	663	a->setData(lang.completeBaseName().mid(6));
[29]	664	a->setCheckable(true);
	665	a->setActionGroup(groupSettingsLanguageList);
[94]	666	if (settings->value("Language", QLocale::system().name()).toString().startsWith(lang.completeBaseName().mid(6)))
[29]	667	a->setChecked(true);
	668	}
	669	}
	670	}
	671
[71]	672	bool MainWindow::loadLanguage(const QString &lang)
[29]	673	{
[67]	674	// i18n
	675	bool ad = false;
[71]	676	QString lng = lang;
	677	if (lng.isEmpty()) {
[93]	678	ad = settings->value("Language", "").toString().isEmpty();
	679	lng = settings->value("Language", QLocale::system().name()).toString();
[29]	680	}
[67]	681	static QTranslator *qtTranslator; // Qt library translator
	682	if (qtTranslator) {
	683	qApp->removeTranslator(qtTranslator);
	684	delete qtTranslator;
	685	qtTranslator = NULL;
[29]	686	}
[67]	687	static QTranslator *translator; // Application translator
	688	if (translator) {
	689	qApp->removeTranslator(translator);
	690	delete translator;
[80]	691	translator = NULL;
[37]	692	}
[80]	693
	694	if (lng == "en")
	695	return true;
	696
	697	// Trying to load system Qt library translation...
	698	qtTranslator = new QTranslator(this);
[93]	699	if (qtTranslator->load("qt_" + lng, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
[80]	700	qApp->installTranslator(qtTranslator);
	701	else {
	702	// No luck. Let's try to load a bundled one.
[96]	703	if (qtTranslator->load("qt_" + lng, PATH_L10N))
[67]	704	qApp->installTranslator(qtTranslator);
[74]	705	else {
[80]	706	// Qt library translation unavailable
	707	delete qtTranslator;
	708	qtTranslator = NULL;
[74]	709	}
	710	}
[80]	711
[74]	712	// Now let's load application translation.
[80]	713	translator = new QTranslator(this);
[96]	714	if (translator->load("tspsg_" + lng, PATH_L10N))
[74]	715	qApp->installTranslator(translator);
	716	else {
	717	delete translator;
	718	translator = NULL;
[94]	719	if (!ad) {
	720	settings->remove("Language");
	721	if (QApplication::overrideCursor() != 0)
	722	QApplication::restoreOverrideCursor();
	723	if (isVisible())
	724	QMessageBox::warning(this, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
	725	else
	726	QMessageBox::warning(NULL, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
	727	}
[80]	728	return false;
[21]	729	}
[67]	730	return true;
[21]	731	}
[31]	732
[67]	733	bool MainWindow::maybeSave()
[37]	734	{
[67]	735	if (!isWindowModified())
	736	return true;
[87]	737	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]	738	if (res == QMessageBox::Save)
	739	return saveTask();
	740	else if (res == QMessageBox::Cancel)
	741	return false;
	742	else
	743	return true;
[37]	744	}
	745
[74]	746	void MainWindow::outputMatrix(const TMatrix &matrix, QStringList &output)
[57]	747	{
[67]	748	int n = spinCities->value();
	749	QString line="";
	750	output.append("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
	751	for (int r = 0; r < n; r++) {
	752	line = "<tr>";
	753	for (int c = 0; c < n; c++) {
[71]	754	if (matrix.at(r).at(c) == INFINITY)
[67]	755	line += "<td align=\"center\">"INFSTR"</td>";
	756	else
[87]	757	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]	758	}
	759	line += "</tr>";
	760	output.append(line);
[57]	761	}
[67]	762	output.append("</table>");
[57]	763	}
	764
[74]	765	void MainWindow::outputMatrix(const SStep &step, QStringList &output)
	766	{
	767	int n = spinCities->value();
	768	QString line="";
	769	output.append("<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">");
	770	for (int r = 0; r < n; r++) {
	771	line = "<tr>";
	772	for (int c = 0; c < n; c++) {
	773	if (step.matrix.at(r).at(c) == INFINITY)
	774	line += "<td align=\"center\">"INFSTR"</td>";
	775	else if ((r == step.candidate.nRow) && (c == step.candidate.nCol))
[87]	776	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]	777	else {
[76]	778	SCandidate cand;
[74]	779	cand.nRow = r;
	780	cand.nCol = c;
	781	if (step.alts.contains(cand))
[87]	782	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]	783	else
[87]	784	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]	785	}
	786	}
	787	line += "</tr>";
	788	output.append(line);
	789	}
	790	output.append("</table>");
	791	}
	792
[80]	793	void MainWindow::retranslateUi(bool all)
	794	{
	795	if (all)
	796	Ui::MainWindow::retranslateUi(this);
	797
[94]	798	actionSettingsLanguageEnglish->setStatusTip(tr("Set application language to %1").arg("English"));
	799
[80]	800	#ifndef QT_NO_PRINTER
	801	actionFilePrintPreview->setText(QApplication::translate("MainWindow", "P&rint Preview...", 0, QApplication::UnicodeUTF8));
	802	#ifndef QT_NO_TOOLTIP
	803	actionFilePrintPreview->setToolTip(QApplication::translate("MainWindow", "Preview solution results", 0, QApplication::UnicodeUTF8));
	804	#endif // QT_NO_TOOLTIP
	805	#ifndef QT_NO_STATUSTIP
	806	actionFilePrintPreview->setStatusTip(QApplication::translate("MainWindow", "Preview current solution results before printing", 0, QApplication::UnicodeUTF8));
	807	#endif // QT_NO_STATUSTIP
	808
	809	actionFilePrint->setText(QApplication::translate("MainWindow", "&Print...", 0, QApplication::UnicodeUTF8));
	810	#ifndef QT_NO_TOOLTIP
	811	actionFilePrint->setToolTip(QApplication::translate("MainWindow", "Print solution", 0, QApplication::UnicodeUTF8));
	812	#endif // QT_NO_TOOLTIP
	813	#ifndef QT_NO_STATUSTIP
	814	actionFilePrint->setStatusTip(QApplication::translate("MainWindow", "Print current solution results", 0, QApplication::UnicodeUTF8));
	815	#endif // QT_NO_STATUSTIP
	816	actionFilePrint->setShortcut(QApplication::translate("MainWindow", "Ctrl+P", 0, QApplication::UnicodeUTF8));
	817	#endif // QT_NO_PRINTER
	818	}
	819
[67]	820	bool MainWindow::saveTask() {
[87]	821	QStringList filters(tr("%1 Task File").arg("TSPSG") + " (*.tspt)");
	822	filters.append(tr("All Files") + " (*)");
[78]	823	QString file;
	824	if (fileName.endsWith(".tspt", Qt::CaseInsensitive))
	825	file = fileName;
[67]	826	else
[78]	827	file = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt";
	828
[82]	829	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
[87]	830	file = QFileDialog::getSaveFileName(this, tr("Task Save"), file, filters.join(";;"), NULL, opts);
[80]	831
[78]	832	if (file.isEmpty())
[67]	833	return false;
[78]	834	if (tspmodel->saveTask(file)) {
	835	setFileName(file);
[67]	836	setWindowModified(false);
	837	return true;
	838	}
	839	return false;
	840	}
	841
[71]	842	void MainWindow::setFileName(const QString &fileName)
[31]	843	{
[67]	844	this->fileName = fileName;
[87]	845	setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(tr("Travelling Salesman Problem")));
[31]	846	}
[78]	847
[80]	848	void MainWindow::setupUi()
	849	{
	850	Ui::MainWindow::setupUi(this);
	851
	852	#if QT_VERSION >= 0x040600
	853	setToolButtonStyle(Qt::ToolButtonFollowStyle);
	854	#endif
	855
[93]	856	#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
[80]	857	QStatusBar *statusbar = new QStatusBar(this);
	858	statusbar->setObjectName("statusbar");
	859	setStatusBar(statusbar);
	860	#endif // Q_OS_WINCE
	861
	862	#ifdef Q_OS_WINCE
[92]	863	menuBar()->setDefaultAction(menuFile->menuAction());
[94]	864
	865	QScrollArea *scrollArea = new QScrollArea(this);
	866	scrollArea->setFrameShape(QFrame::NoFrame);
	867	scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
	868	scrollArea->setWidgetResizable(true);
	869	scrollArea->setWidget(tabWidget);
	870	setCentralWidget(scrollArea);
[98]	871	#else
	872	setCentralWidget(tabWidget);
[92]	873	#endif // Q_OS_WINCE
	874
[93]	875	//! \hack HACK: A little hack for toolbar icons to have a sane size.
[92]	876	#ifdef Q_OS_WINCE
[80]	877	toolBar->setIconSize(QSize(logicalDpiX() / 4, logicalDpiY() / 4));
[93]	878	#elif defined(Q_OS_SYMBIAN)
	879	toolBar->setIconSize(QSize(logicalDpiX() / 5, logicalDpiY() / 5));
[92]	880	#endif // Q_OS_WINCE
[80]	881
	882	solutionText->document()->setDefaultFont(settings->value("Output/Font",QFont(DEF_FONT_FAMILY,DEF_FONT_SIZE)).value<QFont>());
	883	solutionText->setTextColor(settings->value("Output/Color",DEF_FONT_COLOR).value<QColor>());
	884	solutionText->setWordWrapMode(QTextOption::WordWrap);
	885
	886	#ifndef QT_NO_PRINTER
	887	actionFilePrintPreview = new QAction(this);
	888	actionFilePrintPreview->setObjectName("actionFilePrintPreview");
	889	actionFilePrintPreview->setEnabled(false);
	890	actionFilePrintPreview->setIcon(QIcon(":/images/icons/document_preview.png"));
	891
	892	actionFilePrint = new QAction(this);
	893	actionFilePrint->setObjectName("actionFilePrint");
	894	actionFilePrint->setEnabled(false);
	895	actionFilePrint->setIcon(QIcon(":/images/icons/fileprint.png"));
	896
	897	menuFile->insertAction(actionFileExit,actionFilePrintPreview);
	898	menuFile->insertAction(actionFileExit,actionFilePrint);
	899	menuFile->insertSeparator(actionFileExit);
	900
	901	toolBar->insertAction(actionSettingsPreferences,actionFilePrint);
	902	#endif // QT_NO_PRINTER
	903
	904	groupSettingsLanguageList = new QActionGroup(this);
	905	actionSettingsLanguageEnglish->setData("en");
	906	actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
	907	loadLangList();
[94]	908	actionSettingsLanguageAutodetect->setChecked(settings->value("Language", "").toString().isEmpty());
[80]	909
	910	spinCities->setMaximum(MAX_NUM_CITIES);
	911
	912	retranslateUi(false);
	913
[96]	914	#ifdef Q_OS_WIN32
[92]	915	// Adding some eyecandy in Vista and 7 :-)
	916	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
	917	toggleTranclucency(true);
	918	}
[96]	919	#endif // Q_OS_WIN32
[80]	920	}
	921
[78]	922	void MainWindow::toggleSolutionActions(bool enable)
	923	{
	924	buttonSaveSolution->setEnabled(enable);
	925	actionFileSaveAsSolution->setEnabled(enable);
	926	solutionText->setEnabled(enable);
	927	if (!enable)
	928	output.clear();
	929	#ifndef QT_NO_PRINTER
	930	actionFilePrint->setEnabled(enable);
	931	actionFilePrintPreview->setEnabled(enable);
	932	#endif // QT_NO_PRINTER
	933	}
[92]	934
	935	void MainWindow::toggleTranclucency(bool enable)
	936	{
[96]	937	#ifdef Q_OS_WIN32
[98]	938	toggleStyle(labelVariant, enable);
	939	toggleStyle(labelCities, enable);
	940	toggleStyle(statusBar(), enable);
[97]	941	tabWidget->setDocumentMode(enable);
[92]	942	QtWin::enableBlurBehindWindow(this, enable);
[96]	943	#else
	944	Q_UNUSED(enable);
	945	#endif // Q_OS_WIN32
[92]	946	}

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