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source: tspsg-svn/trunk/src/mainwindow.cpp @ 106

Last change on this file since 106 was 106, checked in by laleppa, 15 years ago
+ Added solution graph generation.
Property svn:keywords set to `Id URL`
File size: 40.9 KB

Line
1	/*
2	* TSPSG: TSP Solver and Generator
3	* Copyright (C) 2007-2010 Lёppa <contacts[at]oleksii[dot]name>
4	*
5	* $Id: mainwindow.cpp 106 2010-04-20 21:18:18Z 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();
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 QT_VERSION >= 0x040500
221	QTextDocumentWriter dw(selectedFile);
222	if (!(selectedFile.endsWith(".htm",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".html",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".odt",Qt::CaseInsensitive) \|\| selectedFile.endsWith(".txt",Qt::CaseInsensitive)))
223	dw.setFormat("plaintext");
224	if (!dw.write(solutionText->document()))
225	QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution.\nError: %1").arg(dw.device()->errorString()));
226	#else // QT_VERSION >= 0x040500
227	// Qt < 4.5 has no QTextDocumentWriter class
228	QFile file(selectedFile);
229	if (!file.open(QFile::WriteOnly)) {
230	QApplication::restoreOverrideCursor();
231	QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution.\nError: %1").arg(file->errorString()));
232	return;
233	}
234	QTextStream ts(&file);
235	ts.setCodec(QTextCodec::codecForName("UTF-8"));
236	ts << solutionText->document()->toHtml("UTF-8");
237	file.close();
238	#endif // QT_VERSION >= 0x040500
239	QApplication::restoreOverrideCursor();
240	}
241
242	#ifndef QT_NO_PRINTER
243	void MainWindow::actionFilePrintPreviewTriggered()
244	{
245	QPrintPreviewDialog ppd(printer, this);
246	connect(&ppd,SIGNAL(paintRequested(QPrinter )),SLOT(printPreview(QPrinter )));
247	ppd.exec();
248	}
249
250	void MainWindow::actionFilePrintTriggered()
251	{
252	QPrintDialog pd(printer,this);
253	#if QT_VERSION >= 0x040500
254	// No such methods in Qt < 4.5
255	pd.setOption(QAbstractPrintDialog::PrintSelection,false);
256	pd.setOption(QAbstractPrintDialog::PrintPageRange,false);
257	#endif
258	if (pd.exec() != QDialog::Accepted)
259	return;
260	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
261	solutionText->document()->print(printer);
262	QApplication::restoreOverrideCursor();
263	}
264	#endif // QT_NO_PRINTER
265
266	void MainWindow::actionSettingsPreferencesTriggered()
267	{
268	SettingsDialog sd(this);
269	if (sd.exec() != QDialog::Accepted)
270	return;
271	if (sd.colorChanged() \|\| sd.fontChanged()) {
272	if (!solutionText->document()->isEmpty() && sd.colorChanged())
273	QMessageBox::information(this, tr("Settings Changed"), tr("You have changed color settings.\nThey will be applied to the next solution output."));
274	initDocStyleSheet();
275	}
276	if (sd.translucencyChanged() != 0)
277	toggleTranclucency(sd.translucencyChanged() == 1);
278	}
279
280	void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked)
281	{
282	if (checked) {
283	settings->remove("Language");
284	QMessageBox::information(this, tr("Language change"), tr("Language will be autodetected on the next application start."));
285	} else
286	settings->setValue("Language", groupSettingsLanguageList->checkedAction()->data().toString());
287	}
288
289	void MainWindow::groupSettingsLanguageListTriggered(QAction *action)
290	{
291	if (actionSettingsLanguageAutodetect->isChecked()) {
292	// We have language autodetection. It needs to be disabled to change language.
293	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) {
294	actionSettingsLanguageAutodetect->trigger();
295	} else
296	return;
297	}
298	bool untitled = (fileName == tr("Untitled") + ".tspt");
299	if (loadLanguage(action->data().toString())) {
300	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
301	settings->setValue("Language",action->data().toString());
302	retranslateUi();
303	if (untitled)
304	setFileName();
305	#ifdef Q_OS_WIN32
306	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
307	toggleStyle(labelVariant, true);
308	toggleStyle(labelCities, true);
309	}
310	#endif
311	QApplication::restoreOverrideCursor();
312	if (!solutionText->document()->isEmpty())
313	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."));
314	}
315	}
316
317	#ifdef Q_OS_WIN32
318	void MainWindow::actionHelpCheck4UpdatesTriggered()
319	{
320	if (!hasUpdater()) {
321	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."));
322	return;
323	}
324
325	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
326	QProcess::execute("updater/Update.exe -name=\"TSPSG: TSP Solver and Generator\" -check=\"freeupdate\"");
327	QApplication::restoreOverrideCursor();
328	}
329	#endif // Q_OS_WIN32
330
331	void MainWindow::actionHelpAboutTriggered()
332	{
333	QString title;
334	#ifdef HANDHELD
335	title += QString("<b>TSPSG<br>TSP Solver and Generator</b><br>");
336	#else
337	title += QString("<b>TSPSG: TSP Solver and Generator</b><br>");
338	#endif // HANDHELD
339	title += QString("%1: <b>%2</b><br>").arg(tr("Version"), QApplication::applicationVersion());
340	#ifndef HANDHELD
341	title += QString("<b>© 2007-%1 <a href=\"http://%2/\">%3</a></b><br>").arg(QDate::currentDate().toString("yyyy"), QApplication::organizationDomain(), QApplication::organizationName());
342	title += QString("<b><a href=\"http://tspsg.sourceforge.net/\">http://tspsg.sourceforge.net/</a></b>");
343	#else
344	title += QString("<b><a href=\"http://tspsg.sourceforge.net/\">http://tspsg.sf.net/</a></b>");
345	#endif // Q_OS_WINCE_WM && Q_OS_SYMBIAN
346
347	QString about;
348	about += QString("%1: <b>%2</b><br>").arg(tr("Target OS (ARCH)"), OS);
349	#ifndef STATIC_BUILD
350	about += QString("%1 (%2):<br>").arg(tr("Qt library"), tr("shared"));
351	about += QString("    %1: <b>%2</b><br>").arg(tr("Build time"), QT_VERSION_STR);
352	about += QString("    %1: <b>%2</b><br>").arg(tr("Runtime"), qVersion());
353	#else
354	about += QString("%1: <b>%2</b> (%3)<br>").arg(tr("Qt library"), QT_VERSION_STR, tr("static"));
355	#endif // STATIC_BUILD
356	about += tr("Buid <b>%1</b>, built on <b>%2</b> at <b>%3</b>").arg(BUILD_NUMBER).arg(__DATE__).arg(__TIME__) + "<br>";
357	about += QString("%1: <b>%2</b><br>").arg(tr("Algorithm"), CTSPSolver::getVersionId());
358	about += "<br>";
359	about += tr("TSPSG is free software: you can redistribute it and/or modify it<br>"
360	"under the terms of the GNU General Public License as published<br>"
361	"by the Free Software Foundation, either version 3 of the License,<br>"
362	"or (at your option) any later version.<br>"
363	"<br>"
364	"TSPSG is distributed in the hope that it will be useful, but<br>"
365	"WITHOUT ANY WARRANTY; without even the implied warranty of<br>"
366	"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>"
367	"GNU General Public License for more details.<br>"
368	"<br>"
369	"You should have received a copy of the GNU General Public License<br>"
370	"along with TSPSG. If not, see <a href=\"http://www.gnu.org/licenses/\">http://www.gnu.org/licenses/</a>.");
371
372	QDialog *dlg = new QDialog(this);
373	QLabel *lblIcon = new QLabel(dlg),
374	*lblTitle = new QLabel(dlg),
375	*lblTranslated = new QLabel(dlg);
376	#ifdef HANDHELD
377	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);
378	#endif // HANDHELD
379	QTextBrowser *txtAbout = new QTextBrowser(dlg);
380	QVBoxLayout *vb = new QVBoxLayout();
381	QHBoxLayout *hb1 = new QHBoxLayout(),
382	*hb2 = new QHBoxLayout();
383	QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok, Qt::Horizontal, dlg);
384
385	lblTitle->setOpenExternalLinks(true);
386	lblTitle->setText(title);
387	lblTitle->setAlignment(Qt::AlignTop);
388	lblTitle->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
389	#ifndef HANDHELD
390	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()));
391	#endif // HANDHELD
392
393	lblIcon->setPixmap(QPixmap(":/images/tspsg.png").scaledToHeight(lblTitle->sizeHint().height(), Qt::SmoothTransformation));
394	lblIcon->setAlignment(Qt::AlignVCenter);
395	#ifndef HANDHELD
396	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()));
397	#endif // HANDHELD
398
399	hb1->addWidget(lblIcon);
400	hb1->addWidget(lblTitle);
401
402	txtAbout->setWordWrapMode(QTextOption::NoWrap);
403	txtAbout->setOpenExternalLinks(true);
404	txtAbout->setHtml(about);
405	txtAbout->moveCursor(QTextCursor::Start);
406	#ifndef HANDHELD
407	txtAbout->setStyleSheet(QString("QTextBrowser {border-color: %1; border-width: 1px; border-style: solid; border-radius: 3px;}").arg(palette().shadow().color().name()));
408	#endif // HANDHELD
409
410	bb->button(QDialogButtonBox::Ok)->setCursor(QCursor(Qt::PointingHandCursor));
411
412	lblTranslated->setText(QApplication::translate("--------", "TRANSLATION", "Please, provide translator credits here."));
413	if (lblTranslated->text() == "TRANSLATION")
414	lblTranslated->hide();
415	else {
416	lblTranslated->setOpenExternalLinks(true);
417	#ifndef HANDHELD
418	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()));
419	#endif // HANDHELD
420	hb2->addWidget(lblTranslated);
421	}
422
423	hb2->addWidget(bb);
424
425	#ifdef Q_OS_WINCE_WM
426	vb->setMargin(3);
427	#endif // Q_OS_WINCE_WM
428	vb->addLayout(hb1);
429	#ifdef HANDHELD
430	vb->addWidget(lblSubTitle);
431	#endif // HANDHELD
432	vb->addWidget(txtAbout);
433	vb->addLayout(hb2);
434
435	dlg->setWindowFlags(Qt::Dialog \| Qt::CustomizeWindowHint \| Qt::WindowTitleHint \| Qt::WindowCloseButtonHint);
436	dlg->setWindowTitle(tr("About TSPSG"));
437	dlg->setLayout(vb);
438
439	connect(bb, SIGNAL(accepted()), dlg, SLOT(accept()));
440
441	#ifdef Q_OS_WIN32
442	// Adding some eyecandy in Vista and 7 :-)
443	if (QtWin::isCompositionEnabled()) {
444	QtWin::enableBlurBehindWindow(dlg, true);
445	}
446	#endif // Q_OS_WIN32
447
448	dlg->resize(450, 350);
449
450	dlg->exec();
451
452	delete dlg;
453	}
454
455	void MainWindow::buttonBackToTaskClicked()
456	{
457	tabWidget->setCurrentIndex(0);
458	}
459
460	void MainWindow::buttonRandomClicked()
461	{
462	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
463	tspmodel->randomize();
464	QApplication::restoreOverrideCursor();
465	}
466
467	void MainWindow::buttonSolveClicked()
468	{
469	TMatrix matrix;
470	QList<double> row;
471	int n = spinCities->value();
472	bool ok;
473	for (int r = 0; r < n; r++) {
474	row.clear();
475	for (int c = 0; c < n; c++) {
476	row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok));
477	if (!ok) {
478	QMessageBox::critical(this, tr("Data error"), tr("Error in cell [Row %1; Column %2]: Invalid data format.").arg(r + 1).arg(c + 1));
479	return;
480	}
481	}
482	matrix.append(row);
483	}
484
485	QProgressDialog pd(this);
486	QProgressBar *pb = new QProgressBar(&pd);
487	pb->setAlignment(Qt::AlignCenter);
488	pb->setFormat(tr("%v of %1 parts found").arg(n));
489	pd.setBar(pb);
490	pd.setMaximum(n);
491	pd.setAutoReset(false);
492	pd.setLabelText(tr("Calculating optimal route..."));
493	pd.setWindowTitle(tr("Solution Progress"));
494	pd.setWindowModality(Qt::ApplicationModal);
495	pd.setWindowFlags(Qt::Dialog \| Qt::CustomizeWindowHint \| Qt::WindowTitleHint);
496	pd.show();
497
498	CTSPSolver solver;
499	connect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int)));
500	connect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel()));
501	SStep *root = solver.solve(n, matrix);
502	disconnect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int)));
503	disconnect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel()));
504	if (!root) {
505	pd.reset();
506	if (!solver.wasCanceled())
507	QMessageBox::warning(this, tr("Solution Result"), tr("Unable to find a solution.\nMaybe, this task has no solution."));
508	return;
509	}
510	pb->setFormat(tr("Generating header"));
511	pd.setLabelText(tr("Generating solution output..."));
512	pd.setMaximum(n);
513	pd.setValue(0);
514
515	solutionText->clear();
516	solutionText->setDocumentTitle(tr("Solution of Variant #%1 Task").arg(spinVariant->value()));
517
518	QPainter pic;
519	pic.begin(&graph);
520	pic.setRenderHint(QPainter::Antialiasing);
521
522	QTextDocument *doc = solutionText->document();
523	QTextCursor cur(doc);
524
525	cur.beginEditBlock();
526	cur.setBlockFormat(fmt_paragraph);
527	cur.insertText(tr("Variant #%1 Task").arg(spinVariant->value()), fmt_default);
528	cur.insertBlock(fmt_paragraph);
529	cur.insertText(tr("Task:"));
530	outputMatrix(cur, matrix);
531	drawNode(pic, 0);
532	cur.insertHtml("<hr>");
533	cur.insertBlock(fmt_paragraph);
534	int imgpos = cur.position();
535	cur.insertText(tr("Variant #%1 Solution").arg(spinVariant->value()), fmt_default);
536	cur.endEditBlock();
537
538	SStep *step = root;
539	n = 1;
540	pb->setFormat(tr("Generating step %v"));
541	while (n < spinCities->value()) {
542	if (pd.wasCanceled()) {
543	pd.setLabelText(tr("Cleaning up..."));
544	pd.setMaximum(0);
545	pd.setCancelButton(NULL);
546	pd.show();
547	QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
548	solver.cleanup(true);
549	solutionText->clear();
550	toggleSolutionActions(false);
551	return;
552	}
553	pd.setValue(n);
554
555	if (step->prNode->prNode != NULL \|\| ((step->prNode->prNode == NULL) && (step->plNode->prNode == NULL))) {
556	if (n != spinCities->value()) {
557	cur.beginEditBlock();
558	cur.insertBlock(fmt_paragraph);
559	cur.insertText(tr("Step #%1").arg(n++));
560	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())))) {
561	outputMatrix(cur, *step);
562	}
563	cur.insertBlock(fmt_paragraph);
564	cur.insertText(tr("Selected candidate for branching: %1.").arg(tr("(%1;%2)").arg(step->candidate.nRow + 1).arg(step->candidate.nCol + 1)), fmt_default);
565	if (!step->alts.empty()) {
566	SCandidate cand;
567	QString alts;
568	foreach(cand, step->alts) {
569	if (!alts.isEmpty())
570	alts += ", ";
571	alts += tr("(%1;%2)").arg(cand.nRow + 1).arg(cand.nCol + 1);
572	}
573	cur.insertBlock(fmt_paragraph);
574	cur.insertText(tr("%n alternate candidate(s) for branching: %1.", "", step->alts.count()).arg(alts), fmt_altlist);
575	}
576	cur.insertBlock(fmt_paragraph);
577	cur.insertText(" ", fmt_default);
578	cur.endEditBlock();
579	}
580	}
581	if (n < spinCities->value()) {
582	if (step->prNode != NULL)
583	drawNode(pic, n - 1, false, step->prNode);
584	if (step->plNode != NULL)
585	drawNode(pic, n - 1, true, step->plNode);
586	}
587	if (step->prNode->prNode != NULL) {
588	step = step->prNode;
589	} else if (step->plNode->prNode != NULL) {
590	step = step->plNode;
591	} else
592	break;
593	}
594	pb->setFormat(tr("Generating footer"));
595	pd.setValue(n);
596
597	cur.beginEditBlock();
598	cur.insertBlock(fmt_paragraph);
599	if (solver.isOptimal())
600	cur.insertText(tr("Optimal path:"));
601	else
602	cur.insertText(tr("Resulting path:"));
603
604	cur.insertBlock(fmt_paragraph);
605	cur.insertText(" " + solver.getSortedPath());
606
607	cur.insertBlock(fmt_paragraph);
608	if (isInteger(step->price))
609	cur.insertHtml("<p>" + tr("The price is <b>%n</b> unit(s).", "", qRound(step->price)) + "</p>");
610	else
611	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>");
612	if (!solver.isOptimal()) {
613	cur.insertBlock(fmt_paragraph);
614	cur.insertText(" ");
615	cur.insertBlock(fmt_paragraph);
616	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>");
617	}
618	cur.endEditBlock();
619	pic.end();
620
621	QImage i(graph.width() + 2, graph.height() + 2, QImage::Format_ARGB32);
622	i.fill(0);
623	pic.begin(&i);
624	pic.drawPicture(1, 1, graph);
625	pic.end();
626	doc->addResource(QTextDocument::ImageResource, QUrl("tspsg://graph.pic"), i);
627
628	QTextImageFormat img;
629	img.setName("tspsg://graph.pic");
630
631	cur.setPosition(imgpos);
632	cur.insertImage(img, QTextFrameFormat::FloatRight);
633
634	if (settings->value("Output/ScrollToEnd", DEF_SCROLL_TO_END).toBool()) {
635	// Scrolling to the end of the text.
636	solutionText->moveCursor(QTextCursor::End);
637	} else
638	solutionText->moveCursor(QTextCursor::Start);
639
640	pd.setLabelText(tr("Cleaning up..."));
641	pd.setMaximum(0);
642	pd.setCancelButton(NULL);
643	QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
644	solver.cleanup(true);
645	toggleSolutionActions();
646	tabWidget->setCurrentIndex(1);
647	}
648
649	void MainWindow::dataChanged()
650	{
651	setWindowModified(true);
652	}
653
654	void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br)
655	{
656	setWindowModified(true);
657	if (settings->value("Autosize", DEF_AUTOSIZE).toBool()) {
658	for (int k = tl.row(); k <= br.row(); k++)
659	taskView->resizeRowToContents(k);
660	for (int k = tl.column(); k <= br.column(); k++)
661	taskView->resizeColumnToContents(k);
662	}
663	}
664
665	#ifdef Q_OS_WINCE_WM
666	void MainWindow::changeEvent(QEvent *ev)
667	{
668	if ((ev->type() == QEvent::ActivationChange) && isActiveWindow())
669	desktopResized(0);
670
671	QWidget::changeEvent(ev);
672	}
673
674	void MainWindow::desktopResized(int screen)
675	{
676	if ((screen != 0) \|\| !isActiveWindow())
677	return;
678
679	QRect availableGeometry = QApplication::desktop()->availableGeometry(0);
680	if (currentGeometry != availableGeometry) {
681	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
682	/*!
683	* \hack HACK: This hack checks whether \link QDesktopWidget::availableGeometry() availableGeometry()\endlink's \c top + \c hegiht = \link QDesktopWidget::screenGeometry() screenGeometry()\endlink's \c height.
684	* If \c true, the window gets maximized. If we used \c setGeometry() in this case, the bottom of the
685	* window would end up being behind the soft buttons. Is this a bug in Qt or Windows Mobile?
686	*/
687	if ((availableGeometry.top() + availableGeometry.height()) == QApplication::desktop()->screenGeometry().height()) {
688	setWindowState(windowState() \| Qt::WindowMaximized);
689	} else {
690	if (windowState() & Qt::WindowMaximized)
691	setWindowState(windowState() ^ Qt::WindowMaximized);
692	setGeometry(availableGeometry);
693	}
694	currentGeometry = availableGeometry;
695	QApplication::restoreOverrideCursor();
696	}
697	}
698	#endif // Q_OS_WINCE_WM
699
700	void MainWindow::numCitiesChanged(int nCities)
701	{
702	blockSignals(true);
703	spinCities->setValue(nCities);
704	blockSignals(false);
705	}
706
707	#ifndef QT_NO_PRINTER
708	void MainWindow::printPreview(QPrinter *printer)
709	{
710	solutionText->print(printer);
711	}
712	#endif // QT_NO_PRINTER
713
714	void MainWindow::spinCitiesValueChanged(int n)
715	{
716	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
717	int count = tspmodel->numCities();
718	tspmodel->setNumCities(n);
719	if ((n > count) && settings->value("Autosize", DEF_AUTOSIZE).toBool())
720	for (int k = count; k < n; k++) {
721	taskView->resizeColumnToContents(k);
722	taskView->resizeRowToContents(k);
723	}
724	QApplication::restoreOverrideCursor();
725	}
726
727	void MainWindow::closeEvent(QCloseEvent *ev)
728	{
729	if (!maybeSave()) {
730	ev->ignore();
731	return;
732	}
733	if (!settings->value("SettingsReset", false).toBool()) {
734	settings->setValue("NumCities", spinCities->value());
735
736	// Saving Main Window state
737	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
738	settings->beginGroup("MainWindow");
739	#ifndef HANDHELD
740	settings->setValue("Geometry", saveGeometry());
741	#endif // HANDHELD
742	settings->setValue("State", saveState());
743	settings->endGroup();
744	}
745	} else {
746	settings->remove("SettingsReset");
747	}
748
749	QMainWindow::closeEvent(ev);
750	}
751
752	void MainWindow::dragEnterEvent(QDragEnterEvent *ev)
753	{
754	if (ev->mimeData()->hasUrls() && (ev->mimeData()->urls().count() == 1)) {
755	QFileInfo fi(ev->mimeData()->urls().first().toLocalFile());
756	if ((fi.suffix() == "tspt") \|\| (fi.suffix() == "zkt"))
757	ev->acceptProposedAction();
758	}
759	}
760
761	void MainWindow::drawNode(QPainter &pic, int nstep, bool left, SStep *step)
762	{
763	const int r = 35;
764	qreal x, y;
765	if (step != NULL)
766	x = left ? r : r * 3.5;
767	else
768	x = r * 2.25;
769	y = r * (3 * nstep + 1);
770
771	pic.drawEllipse(QPointF(x, y), r, r);
772
773	if (step != NULL) {
774	QFont font;
775	if (left) {
776	font = pic.font();
777	font.setStrikeOut(true);
778	pic.setFont(font);
779	}
780	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");
781	if (left) {
782	font.setStrikeOut(false);
783	pic.setFont(font);
784	}
785	pic.setBackgroundMode(Qt::OpaqueMode);
786	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()));
787	pic.setBackgroundMode(Qt::TransparentMode);
788	} else {
789	pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, tr("Root"));
790	}
791
792	if (nstep == 1)
793	pic.drawLine(QPointF(r * 2.25, r * (3 * (nstep - 1) + 2)), QPointF(x, y - r));
794	else
795	pic.drawLine(QPointF(r * 3.5, r * (3 * (nstep - 1) + 2)), QPointF(x, y - r));
796
797	}
798
799	void MainWindow::dropEvent(QDropEvent *ev)
800	{
801	if (maybeSave() && tspmodel->loadTask(ev->mimeData()->urls().first().toLocalFile())) {
802	setFileName(ev->mimeData()->urls().first().toLocalFile());
803	tabWidget->setCurrentIndex(0);
804	setWindowModified(false);
805	solutionText->clear();
806	toggleSolutionActions(false);
807
808	ev->acceptProposedAction();
809	}
810	}
811
812	bool MainWindow::hasUpdater() const
813	{
814	#ifdef Q_OS_WIN32
815	return QFile::exists("updater/Update.exe");
816	#else // Q_OS_WIN32
817	return false;
818	#endif // Q_OS_WIN32
819	}
820
821	void MainWindow::initDocStyleSheet()
822	{
823	solutionText->document()->setDefaultFont(settings->value("Output/Font", QFont(DEF_FONT_FAMILY, DEF_FONT_SIZE)).value<QFont>());
824
825	fmt_paragraph.setTopMargin(0);
826	fmt_paragraph.setRightMargin(10);
827	fmt_paragraph.setBottomMargin(0);
828	fmt_paragraph.setLeftMargin(10);
829
830	fmt_table.setTopMargin(5);
831	fmt_table.setRightMargin(10);
832	fmt_table.setBottomMargin(5);
833	fmt_table.setLeftMargin(10);
834	fmt_table.setBorder(0);
835	fmt_table.setBorderStyle(QTextFrameFormat::BorderStyle_None);
836	fmt_table.setCellSpacing(5);
837
838	fmt_cell.setAlignment(Qt::AlignHCenter);
839
840	QColor color = settings->value("Output/Colors/Text", DEF_TEXT_COLOR).value<QColor>();
841	QColor hilight;
842	if (color.value() < 192)
843	hilight.setHsv(color.hue(), color.saturation(), 127 + qRound(color.value() / 2));
844	else
845	hilight.setHsv(color.hue(), color.saturation(), color.value() / 2);
846
847	solutionText->document()->setDefaultStyleSheet(QString("* {color: %1;}").arg(color.name()));
848	fmt_default.setForeground(QBrush(color));
849
850	fmt_selected.setForeground(QBrush(settings->value("Output/Colors/Selected", DEF_SELECTED_COLOR).value<QColor>()));
851	fmt_selected.setFontWeight(QFont::Bold);
852
853	fmt_alternate.setForeground(QBrush(settings->value("Output/Colors/Alternate", DEF_ALTERNATE_COLOR).value<QColor>()));
854	fmt_alternate.setFontWeight(QFont::Bold);
855	fmt_altlist.setForeground(QBrush(hilight));
856
857	solutionText->setTextColor(color);
858	}
859
860	void MainWindow::loadLangList()
861	{
862	QDir dir(PATH_L10N, "tspsg_*.qm", QDir::Name \| QDir::IgnoreCase, QDir::Files);
863	if (!dir.exists())
864	return;
865	QFileInfoList langs = dir.entryInfoList();
866	if (langs.size() <= 0)
867	return;
868	QAction *a;
869	QTranslator t;
870	QString name;
871	for (int k = 0; k < langs.size(); k++) {
872	QFileInfo lang = langs.at(k);
873	if (lang.completeBaseName().compare("tspsg_en", Qt::CaseInsensitive) && t.load(lang.completeBaseName(), PATH_L10N)) {
874	name = t.translate("--------", "LANGNAME", "Please, provide a native name of your translation language here.");
875	a = menuSettingsLanguage->addAction(name);
876	a->setStatusTip(QString("Set application language to %1").arg(name));
877	a->setData(lang.completeBaseName().mid(6));
878	a->setCheckable(true);
879	a->setActionGroup(groupSettingsLanguageList);
880	if (settings->value("Language", QLocale::system().name()).toString().startsWith(lang.completeBaseName().mid(6)))
881	a->setChecked(true);
882	}
883	}
884	}
885
886	bool MainWindow::loadLanguage(const QString &lang)
887	{
888	// i18n
889	bool ad = false;
890	QString lng = lang;
891	if (lng.isEmpty()) {
892	ad = settings->value("Language", "").toString().isEmpty();
893	lng = settings->value("Language", QLocale::system().name()).toString();
894	}
895	static QTranslator *qtTranslator; // Qt library translator
896	if (qtTranslator) {
897	qApp->removeTranslator(qtTranslator);
898	delete qtTranslator;
899	qtTranslator = NULL;
900	}
901	static QTranslator *translator; // Application translator
902	if (translator) {
903	qApp->removeTranslator(translator);
904	delete translator;
905	translator = NULL;
906	}
907
908	if (lng == "en")
909	return true;
910
911	// Trying to load system Qt library translation...
912	qtTranslator = new QTranslator(this);
913	if (qtTranslator->load("qt_" + lng, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
914	qApp->installTranslator(qtTranslator);
915	else {
916	// No luck. Let's try to load a bundled one.
917	if (qtTranslator->load("qt_" + lng, PATH_L10N))
918	qApp->installTranslator(qtTranslator);
919	else {
920	// Qt library translation unavailable
921	delete qtTranslator;
922	qtTranslator = NULL;
923	}
924	}
925
926	// Now let's load application translation.
927	translator = new QTranslator(this);
928	if (translator->load("tspsg_" + lng, PATH_L10N))
929	qApp->installTranslator(translator);
930	else {
931	delete translator;
932	translator = NULL;
933	if (!ad) {
934	settings->remove("Language");
935	QApplication::setOverrideCursor(QCursor(Qt::ArrowCursor));
936	if (isVisible())
937	QMessageBox::warning(this, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
938	else
939	QMessageBox::warning(NULL, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
940	QApplication::restoreOverrideCursor();
941	}
942	return false;
943	}
944	return true;
945	}
946
947	bool MainWindow::maybeSave()
948	{
949	if (!isWindowModified())
950	return true;
951	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);
952	if (res == QMessageBox::Save)
953	return actionFileSaveTriggered();
954	else if (res == QMessageBox::Cancel)
955	return false;
956	else
957	return true;
958	}
959
960	void MainWindow::outputMatrix(QTextCursor &cur, const TMatrix &matrix)
961	{
962	int n = spinCities->value();
963	QTextTable *table = cur.insertTable(n, n, fmt_table);
964
965	for (int r = 0; r < n; r++) {
966	for (int c = 0; c < n; c++) {
967	cur = table->cellAt(r, c).firstCursorPosition();
968	cur.setBlockFormat(fmt_cell);
969	cur.setBlockCharFormat(fmt_default);
970	if (matrix.at(r).at(c) == INFINITY)
971	cur.insertText(INFSTR);
972	else
973	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()));
974	}
975	QApplication::processEvents();
976	}
977	cur.movePosition(QTextCursor::End);
978	}
979
980	void MainWindow::outputMatrix(QTextCursor &cur, const SStep &step)
981	{
982	int n = spinCities->value();
983	QTextTable *table = cur.insertTable(n, n, fmt_table);
984
985	for (int r = 0; r < n; r++) {
986	for (int c = 0; c < n; c++) {
987	cur = table->cellAt(r, c).firstCursorPosition();
988	cur.setBlockFormat(fmt_cell);
989	if (step.matrix.at(r).at(c) == INFINITY)
990	cur.insertText(INFSTR, fmt_default);
991	else if ((r == step.candidate.nRow) && (c == step.candidate.nCol))
992	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);
993	else {
994	SCandidate cand;
995	cand.nRow = r;
996	cand.nCol = c;
997	if (step.alts.contains(cand))
998	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);
999	else
1000	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);
1001	}
1002	}
1003	QApplication::processEvents();
1004	}
1005
1006	cur.movePosition(QTextCursor::End);
1007	}
1008
1009	void MainWindow::retranslateUi(bool all)
1010	{
1011	if (all)
1012	Ui::MainWindow::retranslateUi(this);
1013
1014	actionSettingsLanguageEnglish->setStatusTip(tr("Set application language to %1").arg("English"));
1015
1016	#ifndef QT_NO_PRINTER
1017	actionFilePrintPreview->setText(QApplication::translate("MainWindow", "P&rint Preview...", 0, QApplication::UnicodeUTF8));
1018	#ifndef QT_NO_TOOLTIP
1019	actionFilePrintPreview->setToolTip(QApplication::translate("MainWindow", "Preview solution results", 0, QApplication::UnicodeUTF8));
1020	#endif // QT_NO_TOOLTIP
1021	#ifndef QT_NO_STATUSTIP
1022	actionFilePrintPreview->setStatusTip(QApplication::translate("MainWindow", "Preview current solution results before printing", 0, QApplication::UnicodeUTF8));
1023	#endif // QT_NO_STATUSTIP
1024
1025	actionFilePrint->setText(QApplication::translate("MainWindow", "&Print...", 0, QApplication::UnicodeUTF8));
1026	#ifndef QT_NO_TOOLTIP
1027	actionFilePrint->setToolTip(QApplication::translate("MainWindow", "Print solution", 0, QApplication::UnicodeUTF8));
1028	#endif // QT_NO_TOOLTIP
1029	#ifndef QT_NO_STATUSTIP
1030	actionFilePrint->setStatusTip(QApplication::translate("MainWindow", "Print current solution results", 0, QApplication::UnicodeUTF8));
1031	#endif // QT_NO_STATUSTIP
1032	actionFilePrint->setShortcut(QApplication::translate("MainWindow", "Ctrl+P", 0, QApplication::UnicodeUTF8));
1033	#endif // QT_NO_PRINTER
1034	#ifdef Q_OS_WIN32
1035	actionHelpCheck4Updates->setText(tr("Check for &Updates..."));
1036	#ifndef QT_NO_TOOLTIP
1037	actionHelpCheck4Updates->setToolTip(tr("Check for %1 updates").arg(QApplication::applicationName()));
1038	#endif // QT_NO_TOOLTIP
1039	#ifndef QT_NO_STATUSTIP
1040	actionHelpCheck4Updates->setStatusTip(tr("Check for %1 updates").arg(QApplication::applicationName()));
1041	#endif // QT_NO_STATUSTIP
1042	#endif // Q_OS_WIN32
1043	}
1044
1045	bool MainWindow::saveTask() {
1046	QStringList filters(tr("%1 Task File").arg("TSPSG") + " (*.tspt)");
1047	filters.append(tr("All Files") + " (*)");
1048	QString file;
1049	if (fileName.endsWith(".tspt", Qt::CaseInsensitive))
1050	file = fileName;
1051	else
1052	file = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt";
1053
1054	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
1055	file = QFileDialog::getSaveFileName(this, tr("Task Save"), file, filters.join(";;"), NULL, opts);
1056
1057	if (file.isEmpty())
1058	return false;
1059	if (tspmodel->saveTask(file)) {
1060	setFileName(file);
1061	setWindowModified(false);
1062	return true;
1063	}
1064	return false;
1065	}
1066
1067	void MainWindow::setFileName(const QString &fileName)
1068	{
1069	this->fileName = fileName;
1070	setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(tr("Travelling Salesman Problem")));
1071	}
1072
1073	void MainWindow::setupUi()
1074	{
1075	Ui::MainWindow::setupUi(this);
1076
1077	#if QT_VERSION >= 0x040600
1078	setToolButtonStyle(Qt::ToolButtonFollowStyle);
1079	#endif
1080
1081	#ifndef HANDHELD
1082	QStatusBar *statusbar = new QStatusBar(this);
1083	statusbar->setObjectName("statusbar");
1084	setStatusBar(statusbar);
1085	#endif // HANDHELD
1086
1087	#ifdef Q_OS_WINCE_WM
1088	menuBar()->setDefaultAction(menuFile->menuAction());
1089
1090	QScrollArea *scrollArea = new QScrollArea(this);
1091	scrollArea->setFrameShape(QFrame::NoFrame);
1092	scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
1093	scrollArea->setWidgetResizable(true);
1094	scrollArea->setWidget(tabWidget);
1095	setCentralWidget(scrollArea);
1096	#else
1097	setCentralWidget(tabWidget);
1098	#endif // Q_OS_WINCE_WM
1099
1100	//! \hack HACK: A little hack for toolbar icons to have a sane size.
1101	#ifdef Q_OS_WINCE_WM
1102	toolBar->setIconSize(QSize(logicalDpiX() / 4, logicalDpiY() / 4));
1103	#elif defined(Q_OS_SYMBIAN)
1104	toolBar->setIconSize(QSize(logicalDpiX() / 5, logicalDpiY() / 5));
1105	#endif // Q_OS_WINCE_WM
1106
1107	solutionText->document()->setDefaultFont(settings->value("Output/Font", QFont(DEF_FONT_FAMILY, DEF_FONT_SIZE)).value<QFont>());
1108	solutionText->setWordWrapMode(QTextOption::WordWrap);
1109
1110	#ifndef QT_NO_PRINTER
1111	actionFilePrintPreview = new QAction(this);
1112	actionFilePrintPreview->setObjectName("actionFilePrintPreview");
1113	actionFilePrintPreview->setEnabled(false);
1114	actionFilePrintPreview->setIcon(QIcon(":/images/icons/document_preview.png"));
1115
1116	actionFilePrint = new QAction(this);
1117	actionFilePrint->setObjectName("actionFilePrint");
1118	actionFilePrint->setEnabled(false);
1119	actionFilePrint->setIcon(QIcon(":/images/icons/fileprint.png"));
1120
1121	menuFile->insertAction(actionFileExit,actionFilePrintPreview);
1122	menuFile->insertAction(actionFileExit,actionFilePrint);
1123	menuFile->insertSeparator(actionFileExit);
1124
1125	toolBar->insertAction(actionSettingsPreferences,actionFilePrint);
1126	#endif // QT_NO_PRINTER
1127	#ifdef Q_OS_WIN32
1128	actionHelpCheck4Updates = new QAction(this);
1129	actionHelpCheck4Updates->setEnabled(hasUpdater());
1130	menuHelp->insertAction(actionHelpAboutQt, actionHelpCheck4Updates);
1131	menuHelp->insertSeparator(actionHelpAboutQt);
1132	#endif // Q_OS_WIN32
1133
1134	groupSettingsLanguageList = new QActionGroup(this);
1135	actionSettingsLanguageEnglish->setData("en");
1136	actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
1137	loadLangList();
1138	actionSettingsLanguageAutodetect->setChecked(settings->value("Language", "").toString().isEmpty());
1139
1140	spinCities->setMaximum(MAX_NUM_CITIES);
1141
1142	retranslateUi(false);
1143
1144	#ifdef Q_OS_WIN32
1145	// Adding some eyecandy in Vista and 7 :-)
1146	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
1147	toggleTranclucency(true);
1148	}
1149	#endif // Q_OS_WIN32
1150	}
1151
1152	void MainWindow::toggleSolutionActions(bool enable)
1153	{
1154	buttonSaveSolution->setEnabled(enable);
1155	actionFileSaveAsSolution->setEnabled(enable);
1156	solutionText->setEnabled(enable);
1157	#ifndef QT_NO_PRINTER
1158	actionFilePrint->setEnabled(enable);
1159	actionFilePrintPreview->setEnabled(enable);
1160	#endif // QT_NO_PRINTER
1161	}
1162
1163	void MainWindow::toggleTranclucency(bool enable)
1164	{
1165	#ifdef Q_OS_WIN32
1166	toggleStyle(labelVariant, enable);
1167	toggleStyle(labelCities, enable);
1168	toggleStyle(statusBar(), enable);
1169	tabWidget->setDocumentMode(enable);
1170	QtWin::enableBlurBehindWindow(this, enable);
1171	#else
1172	Q_UNUSED(enable);
1173	#endif // Q_OS_WIN32
1174	}

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