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source: tspsg-svn/trunk/src/mainwindow.cpp @ 113

Last change on this file since 113 was 110, checked in by laleppa, 15 years ago

+ Added ChangeLog?, Installation Guide and License pages to doxygen generated documentation.

Added city and separator parameters to CTSPSolver::getSortedPath() method to make path generation more flexible.
Fixed a bug when the solution graph wasn't drwan correctly in some situations.

Property svn:keywords set to Id URL

File size: 43.5 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 110 2010-04-27 23:38:10Z 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 (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 format = settings->value("Output/GraphImageFormat", DEF_GRAPH_IMAGE_FORMAT).toString();
229	#if !defined(NOSVG) && (QT_VERSION >= 0x040500)
230	if (!QImageWriter::supportedImageFormats().contains(format.toAscii()) && (format != "svg")) {
231	#else // NOSVG && QT_VERSION >= 0x040500
232	if (!QImageWriter::supportedImageFormats().contains(format.toAscii())) {
233	#endif // NOSVG && QT_VERSION >= 0x040500
234	format = DEF_GRAPH_IMAGE_FORMAT;
235	settings->remove("Output/GraphImageFormat");
236	}
237	QString html = solutionText->document()->toHtml("UTF-8"),
238	img = fi.completeBaseName() + "." + format;
239	html.replace(QRegExp("<img\\s+src=\"tspsg://graph.pic\""), QString("<img src=\"%1\" width=\"%2\" height=\"%3\" alt=\"%4\"").arg(img).arg(graph.width() + 2).arg(graph.height() + 2).arg(tr("Solution Graph")));
240
241	// Saving solution text as HTML
242	QTextStream ts(&file);
243	ts.setCodec(QTextCodec::codecForName("UTF-8"));
244	ts << html;
245	file.close();
246
247	// Saving solution graph as SVG or PNG (depending on settings and SVG support)
248	#if !defined(NOSVG) && (QT_VERSION >= 0x040500)
249	if (format == "svg") {
250	QSvgGenerator svg;
251	svg.setSize(QSize(graph.width(), graph.height()));
252	svg.setResolution(graph.logicalDpiX());
253	svg.setFileName(fi.path() + "/" + img);
254	svg.setTitle(tr("Solution Graph"));
255	svg.setDescription(tr("Generated with %1").arg(QApplication::applicationName()));
256	QPainter p;
257	p.begin(&svg);
258	p.drawPicture(1, 1, graph);
259	p.end();
260	} else {
261	#endif // NOSVG && QT_VERSION >= 0x040500
262	QImage i(graph.width() + 2, graph.height() + 2, QImage::Format_ARGB32);
263	i.fill(0x00FFFFFF);
264	QPainter p;
265	p.begin(&i);
266	p.drawPicture(1, 1, graph);
267	p.end();
268	QImageWriter pic(fi.path() + "/" + img);
269	if (pic.supportsOption(QImageIOHandler::Description)) {
270	pic.setText("Title", "Solution Graph");
271	pic.setText("Software", QApplication::applicationName());
272	}
273	if (format == "png")
274	pic.setQuality(5);
275	else if (format == "jpeg")
276	pic.setQuality(80);
277	if (!pic.write(i)) {
278	QApplication::restoreOverrideCursor();
279	QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution graph.\nError: %1").arg(pic.errorString()));
280	return;
281	}
282	#if !defined(NOSVG) && (QT_VERSION >= 0x040500)
283	}
284	#endif // NOSVG && QT_VERSION >= 0x040500
285
286	// Qt < 4.5 has no QTextDocumentWriter class
287	#if QT_VERSION >= 0x040500
288	} else {
289	QTextDocumentWriter dw(selectedFile);
290	if (!selectedFile.endsWith(".odt",Qt::CaseInsensitive))
291	dw.setFormat("plaintext");
292	if (!dw.write(solutionText->document()))
293	QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution.\nError: %1").arg(dw.device()->errorString()));
294	#endif // QT_VERSION >= 0x040500
295	}
296	QApplication::restoreOverrideCursor();
297	}
298
299	#ifndef QT_NO_PRINTER
300	void MainWindow::actionFilePrintPreviewTriggered()
301	{
302	QPrintPreviewDialog ppd(printer, this);
303	connect(&ppd,SIGNAL(paintRequested(QPrinter )),SLOT(printPreview(QPrinter )));
304	ppd.exec();
305	}
306
307	void MainWindow::actionFilePrintTriggered()
308	{
309	QPrintDialog pd(printer,this);
310	#if QT_VERSION >= 0x040500
311	// No such methods in Qt < 4.5
312	pd.setOption(QAbstractPrintDialog::PrintSelection,false);
313	pd.setOption(QAbstractPrintDialog::PrintPageRange,false);
314	#endif
315	if (pd.exec() != QDialog::Accepted)
316	return;
317	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
318	solutionText->document()->print(printer);
319	QApplication::restoreOverrideCursor();
320	}
321	#endif // QT_NO_PRINTER
322
323	void MainWindow::actionSettingsPreferencesTriggered()
324	{
325	SettingsDialog sd(this);
326	if (sd.exec() != QDialog::Accepted)
327	return;
328	if (sd.colorChanged() \|\| sd.fontChanged()) {
329	if (!solutionText->document()->isEmpty() && sd.colorChanged())
330	QMessageBox::information(this, tr("Settings Changed"), tr("You have changed color settings.\nThey will be applied to the next solution output."));
331	initDocStyleSheet();
332	}
333	if (sd.translucencyChanged() != 0)
334	toggleTranclucency(sd.translucencyChanged() == 1);
335	}
336
337	void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked)
338	{
339	if (checked) {
340	settings->remove("Language");
341	QMessageBox::information(this, tr("Language change"), tr("Language will be autodetected on the next application start."));
342	} else
343	settings->setValue("Language", groupSettingsLanguageList->checkedAction()->data().toString());
344	}
345
346	void MainWindow::groupSettingsLanguageListTriggered(QAction *action)
347	{
348	if (actionSettingsLanguageAutodetect->isChecked()) {
349	// We have language autodetection. It needs to be disabled to change language.
350	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) {
351	actionSettingsLanguageAutodetect->trigger();
352	} else
353	return;
354	}
355	bool untitled = (fileName == tr("Untitled") + ".tspt");
356	if (loadLanguage(action->data().toString())) {
357	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
358	settings->setValue("Language",action->data().toString());
359	retranslateUi();
360	if (untitled)
361	setFileName();
362	#ifdef Q_OS_WIN32
363	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
364	toggleStyle(labelVariant, true);
365	toggleStyle(labelCities, true);
366	}
367	#endif
368	QApplication::restoreOverrideCursor();
369	if (!solutionText->document()->isEmpty())
370	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."));
371	}
372	}
373
374	#ifdef Q_OS_WIN32
375	void MainWindow::actionHelpCheck4UpdatesTriggered()
376	{
377	if (!hasUpdater()) {
378	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."));
379	return;
380	}
381
382	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
383	QProcess::execute("updater/Update.exe -name=\"TSPSG: TSP Solver and Generator\" -check=\"freeupdate\"");
384	QApplication::restoreOverrideCursor();
385	}
386	#endif // Q_OS_WIN32
387
388	void MainWindow::actionHelpAboutTriggered()
389	{
390	QString title;
391	#ifdef HANDHELD
392	title += QString("<b>TSPSG<br>TSP Solver and Generator</b><br>");
393	#else
394	title += QString("<b>%1</b><br>").arg(QApplication::applicationName());
395	#endif // HANDHELD
396	title += QString("%1: <b>%2</b><br>").arg(tr("Version"), QApplication::applicationVersion());
397	#ifndef HANDHELD
398	title += QString("<b>© 2007-%1 <a href=\"http://%2/\">%3</a></b><br>").arg(QDate::currentDate().toString("yyyy"), QApplication::organizationDomain(), QApplication::organizationName());
399	title += QString("<b><a href=\"http://tspsg.sourceforge.net/\">http://tspsg.sourceforge.net/</a></b>");
400	#else
401	title += QString("<b><a href=\"http://tspsg.sourceforge.net/\">http://tspsg.sf.net/</a></b>");
402	#endif // Q_OS_WINCE_WM && Q_OS_SYMBIAN
403
404	QString about;
405	about += QString("%1: <b>%2</b><br>").arg(tr("Target OS (ARCH)"), OS);
406	#ifndef STATIC_BUILD
407	about += QString("%1 (%2):<br>").arg(tr("Qt library"), tr("shared"));
408	about += QString("    %1: <b>%2</b><br>").arg(tr("Build time"), QT_VERSION_STR);
409	about += QString("    %1: <b>%2</b><br>").arg(tr("Runtime"), qVersion());
410	#else
411	about += QString("%1: <b>%2</b> (%3)<br>").arg(tr("Qt library"), QT_VERSION_STR, tr("static"));
412	#endif // STATIC_BUILD
413	about += tr("Buid <b>%1</b>, built on <b>%2</b> at <b>%3</b>").arg(BUILD_NUMBER).arg(__DATE__).arg(__TIME__) + "<br>";
414	about += QString("%1: <b>%2</b><br>").arg(tr("Algorithm"), CTSPSolver::getVersionId());
415	about += "<br>";
416	about += tr("TSPSG is free software: you can redistribute it and/or modify it<br>"
417	"under the terms of the GNU General Public License as published<br>"
418	"by the Free Software Foundation, either version 3 of the License,<br>"
419	"or (at your option) any later version.<br>"
420	"<br>"
421	"TSPSG is distributed in the hope that it will be useful, but<br>"
422	"WITHOUT ANY WARRANTY; without even the implied warranty of<br>"
423	"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>"
424	"GNU General Public License for more details.<br>"
425	"<br>"
426	"You should have received a copy of the GNU General Public License<br>"
427	"along with TSPSG. If not, see <a href=\"http://www.gnu.org/licenses/\">http://www.gnu.org/licenses/</a>.");
428
429	QDialog *dlg = new QDialog(this);
430	QLabel *lblIcon = new QLabel(dlg),
431	*lblTitle = new QLabel(dlg),
432	*lblTranslated = new QLabel(dlg);
433	#ifdef HANDHELD
434	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);
435	#endif // HANDHELD
436	QTextBrowser *txtAbout = new QTextBrowser(dlg);
437	QVBoxLayout *vb = new QVBoxLayout();
438	QHBoxLayout *hb1 = new QHBoxLayout(),
439	*hb2 = new QHBoxLayout();
440	QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok, Qt::Horizontal, dlg);
441
442	lblTitle->setOpenExternalLinks(true);
443	lblTitle->setText(title);
444	lblTitle->setAlignment(Qt::AlignTop);
445	lblTitle->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
446	#ifndef HANDHELD
447	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()));
448	#endif // HANDHELD
449
450	lblIcon->setPixmap(QPixmap(":/images/tspsg.png").scaledToHeight(lblTitle->sizeHint().height(), Qt::SmoothTransformation));
451	lblIcon->setAlignment(Qt::AlignVCenter);
452	#ifndef HANDHELD
453	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()));
454	#endif // HANDHELD
455
456	hb1->addWidget(lblIcon);
457	hb1->addWidget(lblTitle);
458
459	txtAbout->setWordWrapMode(QTextOption::NoWrap);
460	txtAbout->setOpenExternalLinks(true);
461	txtAbout->setHtml(about);
462	txtAbout->moveCursor(QTextCursor::Start);
463	#ifndef HANDHELD
464	txtAbout->setStyleSheet(QString("QTextBrowser {border-color: %1; border-width: 1px; border-style: solid; border-radius: 3px;}").arg(palette().shadow().color().name()));
465	#endif // HANDHELD
466
467	bb->button(QDialogButtonBox::Ok)->setCursor(QCursor(Qt::PointingHandCursor));
468
469	lblTranslated->setText(QApplication::translate("--------", "TRANSLATION", "Please, provide translator credits here."));
470	if (lblTranslated->text() == "TRANSLATION")
471	lblTranslated->hide();
472	else {
473	lblTranslated->setOpenExternalLinks(true);
474	#ifndef HANDHELD
475	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()));
476	#endif // HANDHELD
477	hb2->addWidget(lblTranslated);
478	}
479
480	hb2->addWidget(bb);
481
482	#ifdef Q_OS_WINCE_WM
483	vb->setMargin(3);
484	#endif // Q_OS_WINCE_WM
485	vb->addLayout(hb1);
486	#ifdef HANDHELD
487	vb->addWidget(lblSubTitle);
488	#endif // HANDHELD
489	vb->addWidget(txtAbout);
490	vb->addLayout(hb2);
491
492	dlg->setWindowFlags(Qt::Dialog \| Qt::CustomizeWindowHint \| Qt::WindowTitleHint \| Qt::WindowCloseButtonHint);
493	dlg->setWindowTitle(tr("About TSPSG"));
494	dlg->setLayout(vb);
495
496	connect(bb, SIGNAL(accepted()), dlg, SLOT(accept()));
497
498	#ifdef Q_OS_WIN32
499	// Adding some eyecandy in Vista and 7 :-)
500	if (QtWin::isCompositionEnabled()) {
501	QtWin::enableBlurBehindWindow(dlg, true);
502	}
503	#endif // Q_OS_WIN32
504
505	dlg->resize(450, 350);
506
507	dlg->exec();
508
509	delete dlg;
510	}
511
512	void MainWindow::buttonBackToTaskClicked()
513	{
514	tabWidget->setCurrentIndex(0);
515	}
516
517	void MainWindow::buttonRandomClicked()
518	{
519	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
520	tspmodel->randomize();
521	QApplication::restoreOverrideCursor();
522	}
523
524	void MainWindow::buttonSolveClicked()
525	{
526	TMatrix matrix;
527	QList<double> row;
528	int n = spinCities->value();
529	bool ok;
530	for (int r = 0; r < n; r++) {
531	row.clear();
532	for (int c = 0; c < n; c++) {
533	row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok));
534	if (!ok) {
535	QMessageBox::critical(this, tr("Data error"), tr("Error in cell [Row %1; Column %2]: Invalid data format.").arg(r + 1).arg(c + 1));
536	return;
537	}
538	}
539	matrix.append(row);
540	}
541
542	QProgressDialog pd(this);
543	QProgressBar *pb = new QProgressBar(&pd);
544	pb->setAlignment(Qt::AlignCenter);
545	pb->setFormat(tr("%v of %1 parts found").arg(n));
546	pd.setBar(pb);
547	pd.setMaximum(n);
548	pd.setAutoReset(false);
549	pd.setLabelText(tr("Calculating optimal route..."));
550	pd.setWindowTitle(tr("Solution Progress"));
551	pd.setWindowModality(Qt::ApplicationModal);
552	pd.setWindowFlags(Qt::Dialog \| Qt::CustomizeWindowHint \| Qt::WindowTitleHint);
553	pd.show();
554
555	CTSPSolver solver;
556	connect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int)));
557	connect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel()));
558	SStep *root = solver.solve(n, matrix);
559	disconnect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int)));
560	disconnect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel()));
561	if (!root) {
562	pd.reset();
563	if (!solver.wasCanceled())
564	QMessageBox::warning(this, tr("Solution Result"), tr("Unable to find a solution.\nMaybe, this task has no solution."));
565	return;
566	}
567	pb->setFormat(tr("Generating header"));
568	pd.setLabelText(tr("Generating solution output..."));
569	pd.setMaximum(solver.getTotalSteps() + 1);
570	pd.setValue(0);
571
572	solutionText->clear();
573	solutionText->setDocumentTitle(tr("Solution of Variant #%1 Task").arg(spinVariant->value()));
574
575	QPainter pic;
576	if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool()) {
577	pic.begin(&graph);
578	pic.setRenderHint(QPainter::Antialiasing);
579	pic.setFont(settings->value("Output/Font", QFont(DEF_FONT_FAMILY, 9)).value<QFont>());
580	pic.setBrush(QBrush(QColor(Qt::white)));
581	pic.setBackgroundMode(Qt::OpaqueMode);
582	}
583
584	QTextDocument *doc = solutionText->document();
585	QTextCursor cur(doc);
586
587	cur.beginEditBlock();
588	cur.setBlockFormat(fmt_paragraph);
589	cur.insertText(tr("Variant #%1 Task").arg(spinVariant->value()), fmt_default);
590	cur.insertBlock(fmt_paragraph);
591	cur.insertText(tr("Task:"));
592	outputMatrix(cur, matrix);
593	if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool())
594	drawNode(pic, 0);
595	cur.insertHtml("<hr>");
596	cur.insertBlock(fmt_paragraph);
597	int imgpos = cur.position();
598	cur.insertText(tr("Variant #%1 Solution").arg(spinVariant->value()), fmt_default);
599	cur.endEditBlock();
600
601	SStep *step = root;
602	int c = n = 1;
603	pb->setFormat(tr("Generating step %v"));
604	while ((step->next != SStep::NoNextStep) && (c < spinCities->value())) {
605	if (pd.wasCanceled()) {
606	pd.setLabelText(tr("Cleaning up..."));
607	pd.setMaximum(0);
608	pd.setCancelButton(NULL);
609	pd.show();
610	QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
611	solver.cleanup(true);
612	solutionText->clear();
613	toggleSolutionActions(false);
614	return;
615	}
616	pd.setValue(n);
617
618	cur.beginEditBlock();
619	cur.insertBlock(fmt_paragraph);
620	cur.insertText(tr("Step #%1").arg(n));
621	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())))) {
622	outputMatrix(cur, *step);
623	}
624	cur.insertBlock(fmt_paragraph);
625	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);
626	if (!step->alts.empty()) {
627	SStep::SCandidate cand;
628	QString alts;
629	foreach(cand, step->alts) {
630	if (!alts.isEmpty())
631	alts += ", ";
632	alts += tr("(%1;%2)").arg(cand.nRow + 1).arg(cand.nCol + 1);
633	}
634	cur.insertBlock(fmt_paragraph);
635	cur.insertText(tr("%n alternate candidate(s) for branching: %1.", "", step->alts.count()).arg(alts), fmt_altlist);
636	}
637	cur.insertBlock(fmt_paragraph);
638	cur.insertText(" ", fmt_default);
639	cur.endEditBlock();
640
641	if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool()) {
642	if (step->prNode != NULL)
643	drawNode(pic, n, false, step->prNode);
644	if (step->plNode != NULL)
645	drawNode(pic, n, true, step->plNode);
646	}
647	n++;
648
649	if (step->next == SStep::RightBranch) {
650	c++;
651	step = step->prNode;
652	} else if (step->next == SStep::LeftBranch) {
653	step = step->plNode;
654	} else
655	break;
656	}
657	pb->setFormat(tr("Generating footer"));
658	pd.setValue(n);
659
660	cur.beginEditBlock();
661	cur.insertBlock(fmt_paragraph);
662	if (solver.isOptimal())
663	cur.insertText(tr("Optimal path:"));
664	else
665	cur.insertText(tr("Resulting path:"));
666
667	cur.insertBlock(fmt_paragraph);
668	cur.insertText(" " + solver.getSortedPath(tr("City %1")));
669
670	cur.insertBlock(fmt_paragraph);
671	if (isInteger(step->price))
672	cur.insertHtml("<p>" + tr("The price is <b>%n</b> unit(s).", "", qRound(step->price)) + "</p>");
673	else
674	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>");
675	if (!solver.isOptimal()) {
676	cur.insertBlock(fmt_paragraph);
677	cur.insertText(" ");
678	cur.insertBlock(fmt_paragraph);
679	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>");
680	}
681	cur.endEditBlock();
682
683	if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool()) {
684	pic.end();
685
686	QImage i(graph.width() + 2, graph.height() + 2, QImage::Format_ARGB32);
687	i.fill(0);
688	pic.begin(&i);
689	pic.drawPicture(1, 1, graph);
690	pic.end();
691	doc->addResource(QTextDocument::ImageResource, QUrl("tspsg://graph.pic"), i);
692
693	QTextImageFormat img;
694	img.setName("tspsg://graph.pic");
695
696	cur.setPosition(imgpos);
697	cur.insertImage(img, QTextFrameFormat::FloatRight);
698	}
699
700	if (settings->value("Output/ScrollToEnd", DEF_SCROLL_TO_END).toBool()) {
701	// Scrolling to the end of the text.
702	solutionText->moveCursor(QTextCursor::End);
703	} else
704	solutionText->moveCursor(QTextCursor::Start);
705
706	pd.setLabelText(tr("Cleaning up..."));
707	pd.setMaximum(0);
708	pd.setCancelButton(NULL);
709	QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
710	solver.cleanup(true);
711	toggleSolutionActions();
712	tabWidget->setCurrentIndex(1);
713	}
714
715	void MainWindow::dataChanged()
716	{
717	setWindowModified(true);
718	}
719
720	void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br)
721	{
722	setWindowModified(true);
723	if (settings->value("Autosize", DEF_AUTOSIZE).toBool()) {
724	for (int k = tl.row(); k <= br.row(); k++)
725	taskView->resizeRowToContents(k);
726	for (int k = tl.column(); k <= br.column(); k++)
727	taskView->resizeColumnToContents(k);
728	}
729	}
730
731	#ifdef Q_OS_WINCE_WM
732	void MainWindow::changeEvent(QEvent *ev)
733	{
734	if ((ev->type() == QEvent::ActivationChange) && isActiveWindow())
735	desktopResized(0);
736
737	QWidget::changeEvent(ev);
738	}
739
740	void MainWindow::desktopResized(int screen)
741	{
742	if ((screen != 0) \|\| !isActiveWindow())
743	return;
744
745	QRect availableGeometry = QApplication::desktop()->availableGeometry(0);
746	if (currentGeometry != availableGeometry) {
747	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
748	/*!
749	* \hack HACK: This hack checks whether \link QDesktopWidget::availableGeometry() availableGeometry()\endlink's \c top + \c hegiht = \link QDesktopWidget::screenGeometry() screenGeometry()\endlink's \c height.
750	* If \c true, the window gets maximized. If we used \c setGeometry() in this case, the bottom of the
751	* window would end up being behind the soft buttons. Is this a bug in Qt or Windows Mobile?
752	*/
753	if ((availableGeometry.top() + availableGeometry.height()) == QApplication::desktop()->screenGeometry().height()) {
754	setWindowState(windowState() \| Qt::WindowMaximized);
755	} else {
756	if (windowState() & Qt::WindowMaximized)
757	setWindowState(windowState() ^ Qt::WindowMaximized);
758	setGeometry(availableGeometry);
759	}
760	currentGeometry = availableGeometry;
761	QApplication::restoreOverrideCursor();
762	}
763	}
764	#endif // Q_OS_WINCE_WM
765
766	void MainWindow::numCitiesChanged(int nCities)
767	{
768	blockSignals(true);
769	spinCities->setValue(nCities);
770	blockSignals(false);
771	}
772
773	#ifndef QT_NO_PRINTER
774	void MainWindow::printPreview(QPrinter *printer)
775	{
776	solutionText->print(printer);
777	}
778	#endif // QT_NO_PRINTER
779
780	void MainWindow::spinCitiesValueChanged(int n)
781	{
782	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
783	int count = tspmodel->numCities();
784	tspmodel->setNumCities(n);
785	if ((n > count) && settings->value("Autosize", DEF_AUTOSIZE).toBool())
786	for (int k = count; k < n; k++) {
787	taskView->resizeColumnToContents(k);
788	taskView->resizeRowToContents(k);
789	}
790	QApplication::restoreOverrideCursor();
791	}
792
793	void MainWindow::closeEvent(QCloseEvent *ev)
794	{
795	if (!maybeSave()) {
796	ev->ignore();
797	return;
798	}
799	if (!settings->value("SettingsReset", false).toBool()) {
800	settings->setValue("NumCities", spinCities->value());
801
802	// Saving Main Window state
803	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
804	settings->beginGroup("MainWindow");
805	#ifndef HANDHELD
806	settings->setValue("Geometry", saveGeometry());
807	#endif // HANDHELD
808	settings->setValue("State", saveState());
809	settings->endGroup();
810	}
811	} else {
812	settings->remove("SettingsReset");
813	}
814
815	QMainWindow::closeEvent(ev);
816	}
817
818	void MainWindow::dragEnterEvent(QDragEnterEvent *ev)
819	{
820	if (ev->mimeData()->hasUrls() && (ev->mimeData()->urls().count() == 1)) {
821	QFileInfo fi(ev->mimeData()->urls().first().toLocalFile());
822	if ((fi.suffix() == "tspt") \|\| (fi.suffix() == "zkt"))
823	ev->acceptProposedAction();
824	}
825	}
826
827	void MainWindow::drawNode(QPainter &pic, int nstep, bool left, SStep *step)
828	{
829	const int r = 35;
830	qreal x, y;
831	if (step != NULL)
832	x = left ? r : r * 3.5;
833	else
834	x = r * 2.25;
835	y = r * (3 * nstep + 1);
836
837	pic.drawEllipse(QPointF(x, y), r, r);
838
839	if (step != NULL) {
840	QFont font;
841	if (left) {
842	font = pic.font();
843	font.setStrikeOut(true);
844	pic.setFont(font);
845	}
846	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");
847	if (left) {
848	font.setStrikeOut(false);
849	pic.setFont(font);
850	}
851	if (step->price != INFINITY) {
852	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()));
853	} else {
854	pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, "\n"INFSTR);
855	}
856	} else {
857	pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, tr("Root"));
858	}
859
860	if (nstep == 1) {
861	pic.drawLine(QPointF(x, y - r), QPointF(r * 2.25, y - 2 * r));
862	} else if (nstep > 1) {
863	pic.drawLine(QPointF(x, y - r), QPointF((step->pNode->pNode->next == SStep::RightBranch) ? r * 3.5 : r, y - 2 * r));
864	}
865
866	}
867
868	void MainWindow::dropEvent(QDropEvent *ev)
869	{
870	if (maybeSave() && tspmodel->loadTask(ev->mimeData()->urls().first().toLocalFile())) {
871	setFileName(ev->mimeData()->urls().first().toLocalFile());
872	tabWidget->setCurrentIndex(0);
873	setWindowModified(false);
874	solutionText->clear();
875	toggleSolutionActions(false);
876
877	ev->setDropAction(Qt::CopyAction);
878	ev->accept();
879	}
880	}
881
882	bool MainWindow::hasUpdater() const
883	{
884	#ifdef Q_OS_WIN32
885	return QFile::exists("updater/Update.exe");
886	#else // Q_OS_WIN32
887	return false;
888	#endif // Q_OS_WIN32
889	}
890
891	void MainWindow::initDocStyleSheet()
892	{
893	solutionText->document()->setDefaultFont(settings->value("Output/Font", QFont(DEF_FONT_FAMILY, DEF_FONT_SIZE)).value<QFont>());
894
895	fmt_paragraph.setTopMargin(0);
896	fmt_paragraph.setRightMargin(10);
897	fmt_paragraph.setBottomMargin(0);
898	fmt_paragraph.setLeftMargin(10);
899
900	fmt_table.setTopMargin(5);
901	fmt_table.setRightMargin(10);
902	fmt_table.setBottomMargin(5);
903	fmt_table.setLeftMargin(10);
904	fmt_table.setBorder(0);
905	fmt_table.setBorderStyle(QTextFrameFormat::BorderStyle_None);
906	fmt_table.setCellSpacing(5);
907
908	fmt_cell.setAlignment(Qt::AlignHCenter);
909
910	QColor color = settings->value("Output/Colors/Text", DEF_TEXT_COLOR).value<QColor>();
911	QColor hilight;
912	if (color.value() < 192)
913	hilight.setHsv(color.hue(), color.saturation(), 127 + qRound(color.value() / 2));
914	else
915	hilight.setHsv(color.hue(), color.saturation(), color.value() / 2);
916
917	solutionText->document()->setDefaultStyleSheet(QString("* {color: %1;}").arg(color.name()));
918	fmt_default.setForeground(QBrush(color));
919
920	fmt_selected.setForeground(QBrush(settings->value("Output/Colors/Selected", DEF_SELECTED_COLOR).value<QColor>()));
921	fmt_selected.setFontWeight(QFont::Bold);
922
923	fmt_alternate.setForeground(QBrush(settings->value("Output/Colors/Alternate", DEF_ALTERNATE_COLOR).value<QColor>()));
924	fmt_alternate.setFontWeight(QFont::Bold);
925	fmt_altlist.setForeground(QBrush(hilight));
926
927	solutionText->setTextColor(color);
928	}
929
930	void MainWindow::loadLangList()
931	{
932	QDir dir(PATH_L10N, "tspsg_*.qm", QDir::Name \| QDir::IgnoreCase, QDir::Files);
933	if (!dir.exists())
934	return;
935	QFileInfoList langs = dir.entryInfoList();
936	if (langs.size() <= 0)
937	return;
938	QAction *a;
939	QTranslator t;
940	QString name;
941	for (int k = 0; k < langs.size(); k++) {
942	QFileInfo lang = langs.at(k);
943	if (lang.completeBaseName().compare("tspsg_en", Qt::CaseInsensitive) && t.load(lang.completeBaseName(), PATH_L10N)) {
944	name = t.translate("--------", "LANGNAME", "Please, provide a native name of your translation language here.");
945	a = menuSettingsLanguage->addAction(name);
946	a->setStatusTip(QString("Set application language to %1").arg(name));
947	a->setData(lang.completeBaseName().mid(6));
948	a->setCheckable(true);
949	a->setActionGroup(groupSettingsLanguageList);
950	if (settings->value("Language", QLocale::system().name()).toString().startsWith(lang.completeBaseName().mid(6)))
951	a->setChecked(true);
952	}
953	}
954	}
955
956	bool MainWindow::loadLanguage(const QString &lang)
957	{
958	// i18n
959	bool ad = false;
960	QString lng = lang;
961	if (lng.isEmpty()) {
962	ad = settings->value("Language", "").toString().isEmpty();
963	lng = settings->value("Language", QLocale::system().name()).toString();
964	}
965	static QTranslator *qtTranslator; // Qt library translator
966	if (qtTranslator) {
967	qApp->removeTranslator(qtTranslator);
968	delete qtTranslator;
969	qtTranslator = NULL;
970	}
971	static QTranslator *translator; // Application translator
972	if (translator) {
973	qApp->removeTranslator(translator);
974	delete translator;
975	translator = NULL;
976	}
977
978	if (lng == "en")
979	return true;
980
981	// Trying to load system Qt library translation...
982	qtTranslator = new QTranslator(this);
983	if (qtTranslator->load("qt_" + lng, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
984	qApp->installTranslator(qtTranslator);
985	else {
986	// No luck. Let's try to load a bundled one.
987	if (qtTranslator->load("qt_" + lng, PATH_L10N))
988	qApp->installTranslator(qtTranslator);
989	else {
990	// Qt library translation unavailable
991	delete qtTranslator;
992	qtTranslator = NULL;
993	}
994	}
995
996	// Now let's load application translation.
997	translator = new QTranslator(this);
998	if (translator->load("tspsg_" + lng, PATH_L10N))
999	qApp->installTranslator(translator);
1000	else {
1001	delete translator;
1002	translator = NULL;
1003	if (!ad) {
1004	settings->remove("Language");
1005	QApplication::setOverrideCursor(QCursor(Qt::ArrowCursor));
1006	if (isVisible())
1007	QMessageBox::warning(this, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
1008	else
1009	QMessageBox::warning(NULL, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
1010	QApplication::restoreOverrideCursor();
1011	}
1012	return false;
1013	}
1014	return true;
1015	}
1016
1017	bool MainWindow::maybeSave()
1018	{
1019	if (!isWindowModified())
1020	return true;
1021	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);
1022	if (res == QMessageBox::Save)
1023	return actionFileSaveTriggered();
1024	else if (res == QMessageBox::Cancel)
1025	return false;
1026	else
1027	return true;
1028	}
1029
1030	void MainWindow::outputMatrix(QTextCursor &cur, const TMatrix &matrix)
1031	{
1032	int n = spinCities->value();
1033	QTextTable *table = cur.insertTable(n, n, fmt_table);
1034
1035	for (int r = 0; r < n; r++) {
1036	for (int c = 0; c < n; c++) {
1037	cur = table->cellAt(r, c).firstCursorPosition();
1038	cur.setBlockFormat(fmt_cell);
1039	cur.setBlockCharFormat(fmt_default);
1040	if (matrix.at(r).at(c) == INFINITY)
1041	cur.insertText(INFSTR);
1042	else
1043	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()));
1044	}
1045	QApplication::processEvents();
1046	}
1047	cur.movePosition(QTextCursor::End);
1048	}
1049
1050	void MainWindow::outputMatrix(QTextCursor &cur, const SStep &step)
1051	{
1052	int n = spinCities->value();
1053	QTextTable *table = cur.insertTable(n, n, fmt_table);
1054
1055	for (int r = 0; r < n; r++) {
1056	for (int c = 0; c < n; c++) {
1057	cur = table->cellAt(r, c).firstCursorPosition();
1058	cur.setBlockFormat(fmt_cell);
1059	if (step.matrix.at(r).at(c) == INFINITY)
1060	cur.insertText(INFSTR, fmt_default);
1061	else if ((r == step.candidate.nRow) && (c == step.candidate.nCol))
1062	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);
1063	else {
1064	SStep::SCandidate cand;
1065	cand.nRow = r;
1066	cand.nCol = c;
1067	if (step.alts.contains(cand))
1068	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);
1069	else
1070	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);
1071	}
1072	}
1073	QApplication::processEvents();
1074	}
1075
1076	cur.movePosition(QTextCursor::End);
1077	}
1078
1079	void MainWindow::retranslateUi(bool all)
1080	{
1081	if (all)
1082	Ui::MainWindow::retranslateUi(this);
1083
1084	actionSettingsLanguageEnglish->setStatusTip(tr("Set application language to %1").arg("English"));
1085
1086	#ifndef QT_NO_PRINTER
1087	actionFilePrintPreview->setText(QApplication::translate("MainWindow", "P&rint Preview...", 0, QApplication::UnicodeUTF8));
1088	#ifndef QT_NO_TOOLTIP
1089	actionFilePrintPreview->setToolTip(QApplication::translate("MainWindow", "Preview solution results", 0, QApplication::UnicodeUTF8));
1090	#endif // QT_NO_TOOLTIP
1091	#ifndef QT_NO_STATUSTIP
1092	actionFilePrintPreview->setStatusTip(QApplication::translate("MainWindow", "Preview current solution results before printing", 0, QApplication::UnicodeUTF8));
1093	#endif // QT_NO_STATUSTIP
1094
1095	actionFilePrint->setText(QApplication::translate("MainWindow", "&Print...", 0, QApplication::UnicodeUTF8));
1096	#ifndef QT_NO_TOOLTIP
1097	actionFilePrint->setToolTip(QApplication::translate("MainWindow", "Print solution", 0, QApplication::UnicodeUTF8));
1098	#endif // QT_NO_TOOLTIP
1099	#ifndef QT_NO_STATUSTIP
1100	actionFilePrint->setStatusTip(QApplication::translate("MainWindow", "Print current solution results", 0, QApplication::UnicodeUTF8));
1101	#endif // QT_NO_STATUSTIP
1102	actionFilePrint->setShortcut(QApplication::translate("MainWindow", "Ctrl+P", 0, QApplication::UnicodeUTF8));
1103	#endif // QT_NO_PRINTER
1104	#ifdef Q_OS_WIN32
1105	actionHelpCheck4Updates->setText(tr("Check for &Updates..."));
1106	#ifndef QT_NO_TOOLTIP
1107	actionHelpCheck4Updates->setToolTip(tr("Check for %1 updates").arg(QApplication::applicationName()));
1108	#endif // QT_NO_TOOLTIP
1109	#ifndef QT_NO_STATUSTIP
1110	actionHelpCheck4Updates->setStatusTip(tr("Check for %1 updates").arg(QApplication::applicationName()));
1111	#endif // QT_NO_STATUSTIP
1112	#endif // Q_OS_WIN32
1113	}
1114
1115	bool MainWindow::saveTask() {
1116	QStringList filters(tr("%1 Task File").arg("TSPSG") + " (*.tspt)");
1117	filters.append(tr("All Files") + " (*)");
1118	QString file;
1119	if (fileName.endsWith(".tspt", Qt::CaseInsensitive))
1120	file = fileName;
1121	else
1122	file = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt";
1123
1124	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
1125	file = QFileDialog::getSaveFileName(this, tr("Task Save"), file, filters.join(";;"), NULL, opts);
1126
1127	if (file.isEmpty())
1128	return false;
1129	if (tspmodel->saveTask(file)) {
1130	setFileName(file);
1131	setWindowModified(false);
1132	return true;
1133	}
1134	return false;
1135	}
1136
1137	void MainWindow::setFileName(const QString &fileName)
1138	{
1139	this->fileName = fileName;
1140	setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(tr("Travelling Salesman Problem")));
1141	}
1142
1143	void MainWindow::setupUi()
1144	{
1145	Ui::MainWindow::setupUi(this);
1146
1147	#if QT_VERSION >= 0x040600
1148	setToolButtonStyle(Qt::ToolButtonFollowStyle);
1149	#endif
1150
1151	#ifndef HANDHELD
1152	QStatusBar *statusbar = new QStatusBar(this);
1153	statusbar->setObjectName("statusbar");
1154	setStatusBar(statusbar);
1155	#endif // HANDHELD
1156
1157	#ifdef Q_OS_WINCE_WM
1158	menuBar()->setDefaultAction(menuFile->menuAction());
1159
1160	QScrollArea *scrollArea = new QScrollArea(this);
1161	scrollArea->setFrameShape(QFrame::NoFrame);
1162	scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
1163	scrollArea->setWidgetResizable(true);
1164	scrollArea->setWidget(tabWidget);
1165	setCentralWidget(scrollArea);
1166	#else
1167	setCentralWidget(tabWidget);
1168	#endif // Q_OS_WINCE_WM
1169
1170	//! \hack HACK: A little hack for toolbar icons to have a sane size.
1171	#ifdef Q_OS_WINCE_WM
1172	toolBar->setIconSize(QSize(logicalDpiX() / 4, logicalDpiY() / 4));
1173	#elif defined(Q_OS_SYMBIAN)
1174	toolBar->setIconSize(QSize(logicalDpiX() / 5, logicalDpiY() / 5));
1175	#endif // Q_OS_WINCE_WM
1176
1177	solutionText->document()->setDefaultFont(settings->value("Output/Font", QFont(DEF_FONT_FAMILY, DEF_FONT_SIZE)).value<QFont>());
1178	solutionText->setWordWrapMode(QTextOption::WordWrap);
1179
1180	#ifndef QT_NO_PRINTER
1181	actionFilePrintPreview = new QAction(this);
1182	actionFilePrintPreview->setObjectName("actionFilePrintPreview");
1183	actionFilePrintPreview->setEnabled(false);
1184	actionFilePrintPreview->setIcon(QIcon(":/images/icons/document_preview.png"));
1185
1186	actionFilePrint = new QAction(this);
1187	actionFilePrint->setObjectName("actionFilePrint");
1188	actionFilePrint->setEnabled(false);
1189	actionFilePrint->setIcon(QIcon(":/images/icons/fileprint.png"));
1190
1191	menuFile->insertAction(actionFileExit,actionFilePrintPreview);
1192	menuFile->insertAction(actionFileExit,actionFilePrint);
1193	menuFile->insertSeparator(actionFileExit);
1194
1195	toolBar->insertAction(actionSettingsPreferences,actionFilePrint);
1196	#endif // QT_NO_PRINTER
1197	#ifdef Q_OS_WIN32
1198	actionHelpCheck4Updates = new QAction(this);
1199	actionHelpCheck4Updates->setEnabled(hasUpdater());
1200	menuHelp->insertAction(actionHelpAboutQt, actionHelpCheck4Updates);
1201	menuHelp->insertSeparator(actionHelpAboutQt);
1202	#endif // Q_OS_WIN32
1203
1204	groupSettingsLanguageList = new QActionGroup(this);
1205	actionSettingsLanguageEnglish->setData("en");
1206	actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
1207	loadLangList();
1208	actionSettingsLanguageAutodetect->setChecked(settings->value("Language", "").toString().isEmpty());
1209
1210	spinCities->setMaximum(MAX_NUM_CITIES);
1211
1212	retranslateUi(false);
1213
1214	#ifdef Q_OS_WIN32
1215	// Adding some eyecandy in Vista and 7 :-)
1216	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
1217	toggleTranclucency(true);
1218	}
1219	#endif // Q_OS_WIN32
1220	}
1221
1222	void MainWindow::toggleSolutionActions(bool enable)
1223	{
1224	buttonSaveSolution->setEnabled(enable);
1225	actionFileSaveAsSolution->setEnabled(enable);
1226	solutionText->setEnabled(enable);
1227	#ifndef QT_NO_PRINTER
1228	actionFilePrint->setEnabled(enable);
1229	actionFilePrintPreview->setEnabled(enable);
1230	#endif // QT_NO_PRINTER
1231	}
1232
1233	void MainWindow::toggleTranclucency(bool enable)
1234	{
1235	#ifdef Q_OS_WIN32
1236	toggleStyle(labelVariant, enable);
1237	toggleStyle(labelCities, enable);
1238	toggleStyle(statusBar(), enable);
1239	tabWidget->setDocumentMode(enable);
1240	QtWin::enableBlurBehindWindow(this, enable);
1241	#else
1242	Q_UNUSED(enable);
1243	#endif // Q_OS_WIN32
1244	}

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