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source: tspsg/src/mainwindow.cpp @ ca3d2a30fa

0.1.3.145-beta1-symbian0.1.4.170-beta2-bb10appveyorimgbotreadme

Last change on this file since ca3d2a30fa was ca3d2a30fa, checked in by Oleksii Serdiuk, 15 years ago
+ Implemented saving the solution graph when saving solution as HTML (in SVG format).
Property mode set to `100644`
File size: 41.7 KB

Line
1	/*
2	* TSPSG: TSP Solver and Generator
3	* Copyright (C) 2007-2010 Lёppa <contacts[at]oleksii[dot]name>
4	*
5	* $Id$
6	* $URL$
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();
40	setAcceptDrops(true);
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
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
246	#if QT_VERSION >= 0x040500
247	} else {
248	QTextDocumentWriter dw(selectedFile);
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
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..."));
528	pd.setMaximum(solver.getTotalSteps() + 1);
529	pd.setValue(0);
530
531	solutionText->clear();
532	solutionText->setDocumentTitle(tr("Solution of Variant #%1 Task").arg(spinVariant->value()));
533
534	QPainter pic;
535	if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool()) {
536	pic.begin(&graph);
537	pic.setRenderHint(QPainter::Antialiasing);
538	}
539
540	QTextDocument *doc = solutionText->document();
541	QTextCursor cur(doc);
542
543	cur.beginEditBlock();
544	cur.setBlockFormat(fmt_paragraph);
545	cur.insertText(tr("Variant #%1 Task").arg(spinVariant->value()), fmt_default);
546	cur.insertBlock(fmt_paragraph);
547	cur.insertText(tr("Task:"));
548	outputMatrix(cur, matrix);
549	if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool())
550	drawNode(pic, 0);
551	cur.insertHtml("<hr>");
552	cur.insertBlock(fmt_paragraph);
553	int imgpos = cur.position();
554	cur.insertText(tr("Variant #%1 Solution").arg(spinVariant->value()), fmt_default);
555	cur.endEditBlock();
556
557	SStep *step = root;
558	int c = n = 1;
559	pb->setFormat(tr("Generating step %v"));
560	while ((step->next != SStep::NoNextStep) && (c < spinCities->value())) {
561	if (pd.wasCanceled()) {
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);
568	solutionText->clear();
569	toggleSolutionActions(false);
570	return;
571	}
572	pd.setValue(n);
573
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);
589	}
590	cur.insertBlock(fmt_paragraph);
591	cur.insertText(tr("%n alternate candidate(s) for branching: %1.", "", step->alts.count()).arg(alts), fmt_altlist);
592	}
593	cur.insertBlock(fmt_paragraph);
594	cur.insertText(" ", fmt_default);
595	cur.endEditBlock();
596
597	if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool()) {
598	if (step->prNode != NULL)
599	drawNode(pic, n, false, step->prNode);
600	if (step->plNode != NULL)
601	drawNode(pic, n, true, step->plNode);
602	}
603	n++;
604
605	if (step->next == SStep::RightBranch) {
606	c++;
607	step = step->prNode;
608	} else if (step->next == SStep::LeftBranch) {
609	step = step->plNode;
610	} else
611	break;
612	}
613	pb->setFormat(tr("Generating footer"));
614	pd.setValue(n);
615
616	cur.beginEditBlock();
617	cur.insertBlock(fmt_paragraph);
618	if (solver.isOptimal())
619	cur.insertText(tr("Optimal path:"));
620	else
621	cur.insertText(tr("Resulting path:"));
622
623	cur.insertBlock(fmt_paragraph);
624	cur.insertText(" " + solver.getSortedPath());
625
626	cur.insertBlock(fmt_paragraph);
627	if (isInteger(step->price))
628	cur.insertHtml("<p>" + tr("The price is <b>%n</b> unit(s).", "", qRound(step->price)) + "</p>");
629	else
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>");
631	if (!solver.isOptimal()) {
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>");
636	}
637	cur.endEditBlock();
638
639	if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool()) {
640	pic.end();
641
642	QImage i(graph.width() + 2, graph.height() + 2, QImage::Format_ARGB32);
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);
648
649	QTextImageFormat img;
650	img.setName("tspsg://graph.pic");
651
652	cur.setPosition(imgpos);
653	cur.insertImage(img, QTextFrameFormat::FloatRight);
654	}
655
656	if (settings->value("Output/ScrollToEnd", DEF_SCROLL_TO_END).toBool()) {
657	// Scrolling to the end of the text.
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
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
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);
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	}
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
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	}
823
824	}
825
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
835	ev->setDropAction(Qt::CopyAction);
836	ev->accept();
837	}
838	}
839
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	{
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
866	fmt_cell.setAlignment(Qt::AlignHCenter);
867
868	QColor color = settings->value("Output/Colors/Text", DEF_TEXT_COLOR).value<QColor>();
869	QColor hilight;
870	if (color.value() < 192)
871	hilight.setHsv(color.hue(), color.saturation(), 127 + qRound(color.value() / 2));
872	else
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);
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
988	void MainWindow::outputMatrix(QTextCursor &cur, const TMatrix &matrix)
989	{
990	int n = spinCities->value();
991	QTextTable *table = cur.insertTable(n, n, fmt_table);
992
993	for (int r = 0; r < n; r++) {
994	for (int c = 0; c < n; c++) {
995	cur = table->cellAt(r, c).firstCursorPosition();
996	cur.setBlockFormat(fmt_cell);
997	cur.setBlockCharFormat(fmt_default);
998	if (matrix.at(r).at(c) == INFINITY)
999	cur.insertText(INFSTR);
1000	else
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()));
1002	}
1003	QApplication::processEvents();
1004	}
1005	cur.movePosition(QTextCursor::End);
1006	}
1007
1008	void MainWindow::outputMatrix(QTextCursor &cur, const SStep &step)
1009	{
1010	int n = spinCities->value();
1011	QTextTable *table = cur.insertTable(n, n, fmt_table);
1012
1013	for (int r = 0; r < n; r++) {
1014	for (int c = 0; c < n; c++) {
1015	cur = table->cellAt(r, c).firstCursorPosition();
1016	cur.setBlockFormat(fmt_cell);
1017	if (step.matrix.at(r).at(c) == INFINITY)
1018	cur.insertText(INFSTR, fmt_default);
1019	else if ((r == step.candidate.nRow) && (c == step.candidate.nCol))
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);
1021	else {
1022	SStep::SCandidate cand;
1023	cand.nRow = r;
1024	cand.nCol = c;
1025	if (step.alts.contains(cand))
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);
1027	else
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);
1029	}
1030	}
1031	QApplication::processEvents();
1032	}
1033
1034	cur.movePosition(QTextCursor::End);
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
1135	solutionText->document()->setDefaultFont(settings->value("Output/Font", QFont(DEF_FONT_FAMILY, DEF_FONT_SIZE)).value<QFont>());
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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