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source: tspsg/src/mainwindow.cpp @ b574c383b7

0.1.3.145-beta1-symbian0.1.4.170-beta2-bb10appveyorimgbotreadme

Last change on this file since b574c383b7 was b574c383b7, checked in by Oleksii Serdiuk, 14 years ago
+ Added support for opening the file when it is dragged and dropped on the main TSPSG window.
Property mode set to `100644`
File size: 39.2 KB

Line
1	/*
2	* TSPSG: TSP Solver and Generator
3	* Copyright (C) 2007-2010 Lёppa <contacts[at]oleksii[dot]name>
4	*
5	* $Id$
6	* $URL$
7	*
8	* This file is part of TSPSG.
9	*
10	* TSPSG is free software: you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation, either version 3 of the License, or
13	* (at your option) any later version.
14	*
15	* TSPSG is distributed in the hope that it will be useful,
16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18	* GNU General Public License for more details.
19	*
20	* You should have received a copy of the GNU General Public License
21	* along with TSPSG. If not, see <http://www.gnu.org/licenses/>.
22	*/
23
24	#include "mainwindow.h"
25
26	/*!
27	* \brief Class constructor.
28	* \param parent Main Window parent widget.
29	*
30	* Initializes Main Window and creates its layout based on target OS.
31	* Loads TSPSG settings and opens a task file if it was specified as a commandline parameter.
32	*/
33	MainWindow::MainWindow(QWidget *parent)
34	: QMainWindow(parent)
35	{
36	settings = new QSettings(QSettings::IniFormat, QSettings::UserScope, "TSPSG", "tspsg", this);
37
38	loadLanguage();
39	setupUi();
40	setAcceptDrops(true);
41
42	initDocStyleSheet();
43
44	#ifndef QT_NO_PRINTER
45	printer = new QPrinter(QPrinter::HighResolution);
46	#endif // QT_NO_PRINTER
47
48	#ifdef Q_OS_WINCE_WM
49	currentGeometry = QApplication::desktop()->availableGeometry(0);
50	// We need to react to SIP show/hide and resize the window appropriately
51	connect(QApplication::desktop(), SIGNAL(workAreaResized(int)), SLOT(desktopResized(int)));
52	#endif // Q_OS_WINCE_WM
53	connect(actionFileNew,SIGNAL(triggered()),this,SLOT(actionFileNewTriggered()));
54	connect(actionFileOpen,SIGNAL(triggered()),this,SLOT(actionFileOpenTriggered()));
55	connect(actionFileSave,SIGNAL(triggered()),this,SLOT(actionFileSaveTriggered()));
56	connect(actionFileSaveAsTask,SIGNAL(triggered()),this,SLOT(actionFileSaveAsTaskTriggered()));
57	connect(actionFileSaveAsSolution,SIGNAL(triggered()),this,SLOT(actionFileSaveAsSolutionTriggered()));
58	#ifndef QT_NO_PRINTER
59	connect(actionFilePrintPreview,SIGNAL(triggered()),this,SLOT(actionFilePrintPreviewTriggered()));
60	connect(actionFilePrint,SIGNAL(triggered()),this,SLOT(actionFilePrintTriggered()));
61	#endif // QT_NO_PRINTER
62	connect(actionSettingsPreferences,SIGNAL(triggered()),this,SLOT(actionSettingsPreferencesTriggered()));
63	#ifdef Q_OS_WIN32
64	connect(actionHelpCheck4Updates, SIGNAL(triggered()), SLOT(actionHelpCheck4UpdatesTriggered()));
65	#endif // Q_OS_WIN32
66	connect(actionSettingsLanguageAutodetect,SIGNAL(triggered(bool)),this,SLOT(actionSettingsLanguageAutodetectTriggered(bool)));
67	connect(groupSettingsLanguageList,SIGNAL(triggered(QAction )),this,SLOT(groupSettingsLanguageListTriggered(QAction )));
68	connect(actionHelpAboutQt,SIGNAL(triggered()),qApp,SLOT(aboutQt()));
69	connect(actionHelpAbout,SIGNAL(triggered()),this,SLOT(actionHelpAboutTriggered()));
70
71	connect(buttonSolve,SIGNAL(clicked()),this,SLOT(buttonSolveClicked()));
72	connect(buttonRandom,SIGNAL(clicked()),this,SLOT(buttonRandomClicked()));
73	connect(buttonBackToTask,SIGNAL(clicked()),this,SLOT(buttonBackToTaskClicked()));
74	connect(spinCities,SIGNAL(valueChanged(int)),this,SLOT(spinCitiesValueChanged(int)));
75
76	#ifndef HANDHELD
77	// Centering main window
78	QRect rect = geometry();
79	rect.moveCenter(QApplication::desktop()->availableGeometry(this).center());
80	setGeometry(rect);
81	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
82	// Loading of saved window state
83	settings->beginGroup("MainWindow");
84	restoreGeometry(settings->value("Geometry").toByteArray());
85	restoreState(settings->value("State").toByteArray());
86	settings->endGroup();
87	}
88	#else
89	setWindowState(Qt::WindowMaximized);
90	#endif // HANDHELD
91
92	tspmodel = new CTSPModel(this);
93	taskView->setModel(tspmodel);
94	connect(tspmodel,SIGNAL(numCitiesChanged(int)),this,SLOT(numCitiesChanged(int)));
95	connect(tspmodel,SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),this,SLOT(dataChanged(const QModelIndex &, const QModelIndex &)));
96	connect(tspmodel,SIGNAL(layoutChanged()),this,SLOT(dataChanged()));
97	if ((QCoreApplication::arguments().count() > 1) && (tspmodel->loadTask(QCoreApplication::arguments().at(1))))
98	setFileName(QCoreApplication::arguments().at(1));
99	else {
100	setFileName();
101	spinCities->setValue(settings->value("NumCities",DEF_NUM_CITIES).toInt());
102	spinCitiesValueChanged(spinCities->value());
103	}
104	setWindowModified(false);
105	}
106
107	MainWindow::~MainWindow()
108	{
109	#ifndef QT_NO_PRINTER
110	delete printer;
111	#endif
112	}
113
114	/* Privates **********************************************************/
115
116	void MainWindow::actionFileNewTriggered()
117	{
118	if (!maybeSave())
119	return;
120	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
121	tspmodel->clear();
122	setFileName();
123	setWindowModified(false);
124	tabWidget->setCurrentIndex(0);
125	solutionText->clear();
126	toggleSolutionActions(false);
127	QApplication::restoreOverrideCursor();
128	}
129
130	void MainWindow::actionFileOpenTriggered()
131	{
132	if (!maybeSave())
133	return;
134
135	QStringList filters(tr("All Supported Formats") + " (.tspt .zkt)");
136	filters.append(tr("%1 Task Files").arg("TSPSG") + " (*.tspt)");
137	filters.append(tr("%1 Task Files").arg("ZKomModRd") + " (*.zkt)");
138	filters.append(tr("All Files") + " (*)");
139
140	QString file = QFileInfo(fileName).canonicalPath();
141	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
142	file = QFileDialog::getOpenFileName(this, tr("Task Load"), file, filters.join(";;"), NULL, opts);
143	if (file.isEmpty() \|\| !QFileInfo(file).isFile())
144	return;
145	if (!tspmodel->loadTask(file))
146	return;
147	setFileName(file);
148	tabWidget->setCurrentIndex(0);
149	setWindowModified(false);
150	solutionText->clear();
151	toggleSolutionActions(false);
152	}
153
154	bool MainWindow::actionFileSaveTriggered()
155	{
156	if ((fileName == tr("Untitled") + ".tspt") \|\| (!fileName.endsWith(".tspt", Qt::CaseInsensitive)))
157	return saveTask();
158	else
159	if (tspmodel->saveTask(fileName)) {
160	setWindowModified(false);
161	return true;
162	} else
163	return false;
164	}
165
166	void MainWindow::actionFileSaveAsTaskTriggered()
167	{
168	saveTask();
169	}
170
171	void MainWindow::actionFileSaveAsSolutionTriggered()
172	{
173	static QString selectedFile;
174	if (selectedFile.isEmpty())
175	selectedFile = QFileInfo(fileName).canonicalPath();
176	else
177	selectedFile = QFileInfo(selectedFile).canonicalPath();
178	if (!selectedFile.isEmpty())
179	selectedFile += "/";
180	if (fileName == tr("Untitled") + ".tspt") {
181	#ifndef QT_NO_PRINTER
182	selectedFile += "solution.pdf";
183	#else
184	selectedFile += "solution.html";
185	#endif // QT_NO_PRINTER
186	} else {
187	#ifndef QT_NO_PRINTER
188	selectedFile += QFileInfo(fileName).completeBaseName() + ".pdf";
189	#else
190	selectedFile += QFileInfo(fileName).completeBaseName() + ".html";
191	#endif // QT_NO_PRINTER
192	}
193
194	QStringList filters;
195	#ifndef QT_NO_PRINTER
196	filters.append(tr("PDF Files") + " (*.pdf)");
197	#endif
198	filters.append(tr("HTML Files") + " (.html .htm)");
199	#if QT_VERSION >= 0x040500
200	filters.append(tr("OpenDocument Files") + " (*.odt)");
201	#endif // QT_VERSION >= 0x040500
202	filters.append(tr("All Files") + " (*)");
203
204	QFileDialog::Options opts(settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog);
205	QString file = QFileDialog::getSaveFileName(this, QString(), selectedFile, filters.join(";;"), NULL, opts);
206	if (file.isEmpty())
207	return;
208	selectedFile = file;
209	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
210	#ifndef QT_NO_PRINTER
211	if (selectedFile.endsWith(".pdf",Qt::CaseInsensitive)) {
212	QPrinter printer(QPrinter::HighResolution);
213	printer.setOutputFormat(QPrinter::PdfFormat);
214	printer.setOutputFileName(selectedFile);
215	solutionText->document()->print(&printer);
216	QApplication::restoreOverrideCursor();
217	return;
218	}
219	#endif
220	#if 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	#ifdef DEBUG
516	QTime t;
517	t.start();
518	#endif
519	solutionText->clear();
520	#ifdef DEBUG
521	qDebug() << "Clear:" << t.elapsed();
522	t.restart();
523	#endif
524	solutionText->setDocumentTitle(tr("Solution of Variant #%1 Task").arg(spinVariant->value()));
525
526	QTextDocument *doc = solutionText->document();
527	QTextCursor cur(doc);
528
529	cur.beginEditBlock();
530	cur.setBlockFormat(fmt_paragraph);
531	cur.insertText(tr("Variant #%1").arg(spinVariant->value()), fmt_default);
532	cur.insertBlock(fmt_paragraph);
533	cur.insertText(tr("Task:"));
534	outputMatrix(cur, matrix);
535	cur.insertHtml("<hr>");
536	cur.insertBlock(fmt_paragraph);
537	cur.insertText(tr("Solution of Variant #%1 Task").arg(spinVariant->value()), fmt_default);
538	cur.endEditBlock();
539
540	SStep *step = root;
541	n = 1;
542	pb->setFormat(tr("Generating step %v"));
543	while (n < spinCities->value()) {
544	if (pd.wasCanceled()) {
545	pd.setLabelText(tr("Cleaning up..."));
546	pd.setMaximum(0);
547	pd.setCancelButton(NULL);
548	pd.show();
549	QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
550	solver.cleanup(true);
551	solutionText->clear();
552	toggleSolutionActions(false);
553	return;
554	}
555	pd.setValue(n);
556
557	if (step->prNode->prNode != NULL \|\| ((step->prNode->prNode == NULL) && (step->plNode->prNode == NULL))) {
558	if (n != spinCities->value()) {
559	cur.beginEditBlock();
560	cur.insertBlock(fmt_paragraph);
561	cur.insertText(tr("Step #%1").arg(n++));
562	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())))) {
563	outputMatrix(cur, *step);
564	}
565	cur.insertBlock(fmt_paragraph);
566	cur.insertText(tr("Selected candidate for branching: %1.").arg(tr("(%1;%2)").arg(step->candidate.nRow + 1).arg(step->candidate.nCol + 1)), fmt_default);
567	if (!step->alts.empty()) {
568	SCandidate cand;
569	QString alts;
570	foreach(cand, step->alts) {
571	if (!alts.isEmpty())
572	alts += ", ";
573	alts += tr("(%1;%2)").arg(cand.nRow + 1).arg(cand.nCol + 1);
574	}
575	cur.insertBlock(fmt_paragraph);
576	cur.insertText(tr("%n alternate candidate(s) for branching: %1.", "", step->alts.count()).arg(alts), fmt_altlist);
577	}
578	cur.insertBlock(fmt_paragraph);
579	cur.insertText(" ", fmt_default);
580	cur.endEditBlock();
581	}
582	}
583	if (step->prNode->prNode != NULL)
584	step = step->prNode;
585	else if (step->plNode->prNode != NULL)
586	step = step->plNode;
587	else
588	break;
589	}
590	pb->setFormat(tr("Generating footer"));
591	pd.setValue(n);
592
593	cur.beginEditBlock();
594	cur.insertBlock(fmt_paragraph);
595	if (solver.isOptimal())
596	cur.insertText(tr("Optimal path:"));
597	else
598	cur.insertText(tr("Resulting path:"));
599
600	cur.insertBlock(fmt_paragraph);
601	cur.insertText(" " + solver.getSortedPath());
602
603	cur.insertBlock(fmt_paragraph);
604	if (isInteger(step->price))
605	cur.insertHtml("<p>" + tr("The price is <b>%n</b> unit(s).", "", qRound(step->price)) + "</p>");
606	else
607	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>");
608	if (!solver.isOptimal()) {
609	cur.insertBlock(fmt_paragraph);
610	cur.insertText(" ");
611	cur.insertBlock(fmt_paragraph);
612	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>");
613	}
614	cur.endEditBlock();
615	#ifdef DEBUG
616	qDebug() << "Generate:" << t.elapsed();
617	#endif
618
619	if (settings->value("Output/ScrollToEnd", DEF_SCROLL_TO_END).toBool()) {
620	// Scrolling to the end of the text.
621	solutionText->moveCursor(QTextCursor::End);
622	} else
623	solutionText->moveCursor(QTextCursor::Start);
624
625	pd.setLabelText(tr("Cleaning up..."));
626	pd.setMaximum(0);
627	pd.setCancelButton(NULL);
628	QApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
629	solver.cleanup(true);
630	toggleSolutionActions();
631	tabWidget->setCurrentIndex(1);
632	}
633
634	void MainWindow::dataChanged()
635	{
636	setWindowModified(true);
637	}
638
639	void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br)
640	{
641	setWindowModified(true);
642	if (settings->value("Autosize", DEF_AUTOSIZE).toBool()) {
643	for (int k = tl.row(); k <= br.row(); k++)
644	taskView->resizeRowToContents(k);
645	for (int k = tl.column(); k <= br.column(); k++)
646	taskView->resizeColumnToContents(k);
647	}
648	}
649
650	#ifdef Q_OS_WINCE_WM
651	void MainWindow::changeEvent(QEvent *ev)
652	{
653	if ((ev->type() == QEvent::ActivationChange) && isActiveWindow())
654	desktopResized(0);
655
656	QWidget::changeEvent(ev);
657	}
658
659	void MainWindow::desktopResized(int screen)
660	{
661	if ((screen != 0) \|\| !isActiveWindow())
662	return;
663
664	QRect availableGeometry = QApplication::desktop()->availableGeometry(0);
665	if (currentGeometry != availableGeometry) {
666	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
667	/*!
668	* \hack HACK: This hack checks whether \link QDesktopWidget::availableGeometry() availableGeometry()\endlink's \c top + \c hegiht = \link QDesktopWidget::screenGeometry() screenGeometry()\endlink's \c height.
669	* If \c true, the window gets maximized. If we used \c setGeometry() in this case, the bottom of the
670	* window would end up being behind the soft buttons. Is this a bug in Qt or Windows Mobile?
671	*/
672	if ((availableGeometry.top() + availableGeometry.height()) == QApplication::desktop()->screenGeometry().height()) {
673	setWindowState(windowState() \| Qt::WindowMaximized);
674	} else {
675	if (windowState() & Qt::WindowMaximized)
676	setWindowState(windowState() ^ Qt::WindowMaximized);
677	setGeometry(availableGeometry);
678	}
679	currentGeometry = availableGeometry;
680	QApplication::restoreOverrideCursor();
681	}
682	}
683	#endif // Q_OS_WINCE_WM
684
685	void MainWindow::numCitiesChanged(int nCities)
686	{
687	blockSignals(true);
688	spinCities->setValue(nCities);
689	blockSignals(false);
690	}
691
692	#ifndef QT_NO_PRINTER
693	void MainWindow::printPreview(QPrinter *printer)
694	{
695	solutionText->print(printer);
696	}
697	#endif // QT_NO_PRINTER
698
699	void MainWindow::spinCitiesValueChanged(int n)
700	{
701	QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
702	int count = tspmodel->numCities();
703	tspmodel->setNumCities(n);
704	if ((n > count) && settings->value("Autosize", DEF_AUTOSIZE).toBool())
705	for (int k = count; k < n; k++) {
706	taskView->resizeColumnToContents(k);
707	taskView->resizeRowToContents(k);
708	}
709	QApplication::restoreOverrideCursor();
710	}
711
712	void MainWindow::closeEvent(QCloseEvent *ev)
713	{
714	if (!maybeSave()) {
715	ev->ignore();
716	return;
717	}
718	if (!settings->value("SettingsReset", false).toBool()) {
719	settings->setValue("NumCities", spinCities->value());
720
721	// Saving Main Window state
722	if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
723	settings->beginGroup("MainWindow");
724	#ifndef HANDHELD
725	settings->setValue("Geometry", saveGeometry());
726	#endif // HANDHELD
727	settings->setValue("State", saveState());
728	settings->endGroup();
729	}
730	} else {
731	settings->remove("SettingsReset");
732	}
733
734	QMainWindow::closeEvent(ev);
735	}
736
737	void MainWindow::dragEnterEvent(QDragEnterEvent *ev)
738	{
739	if (ev->mimeData()->hasUrls() && (ev->mimeData()->urls().count() == 1)) {
740	QFileInfo fi(ev->mimeData()->urls().first().toLocalFile());
741	if ((fi.suffix() == "tspt") \|\| (fi.suffix() == "zkt"))
742	ev->acceptProposedAction();
743	}
744	}
745
746	void MainWindow::dropEvent(QDropEvent *ev)
747	{
748	if (maybeSave() && tspmodel->loadTask(ev->mimeData()->urls().first().toLocalFile())) {
749	setFileName(ev->mimeData()->urls().first().toLocalFile());
750	tabWidget->setCurrentIndex(0);
751	setWindowModified(false);
752	solutionText->clear();
753	toggleSolutionActions(false);
754
755	ev->acceptProposedAction();
756	}
757	}
758
759	bool MainWindow::hasUpdater() const
760	{
761	#ifdef Q_OS_WIN32
762	return QFile::exists("updater/Update.exe");
763	#else // Q_OS_WIN32
764	return false;
765	#endif // Q_OS_WIN32
766	}
767
768	void MainWindow::initDocStyleSheet()
769	{
770	solutionText->document()->setDefaultFont(settings->value("Output/Font", QFont(DEF_FONT_FAMILY, DEF_FONT_SIZE)).value<QFont>());
771
772	fmt_paragraph.setTopMargin(0);
773	fmt_paragraph.setRightMargin(10);
774	fmt_paragraph.setBottomMargin(0);
775	fmt_paragraph.setLeftMargin(10);
776
777	fmt_table.setTopMargin(5);
778	fmt_table.setRightMargin(10);
779	fmt_table.setBottomMargin(5);
780	fmt_table.setLeftMargin(10);
781	fmt_table.setBorder(0);
782	fmt_table.setBorderStyle(QTextFrameFormat::BorderStyle_None);
783	fmt_table.setCellSpacing(5);
784
785	fmt_center.setAlignment(Qt::AlignHCenter);
786
787	QColor color = settings->value("Output/Colors/Text", DEF_TEXT_COLOR).value<QColor>();
788	QColor hilight;
789	if (color.value() < 192)
790	hilight.setHsv(color.hue(), color.saturation(), 127 + qRound(color.value() / 2));
791	else
792	hilight.setHsv(color.hue(), color.saturation(), color.value() / 2);
793
794	solutionText->document()->setDefaultStyleSheet(QString("* {color: %1;}").arg(color.name()));
795	fmt_default.setForeground(QBrush(color));
796
797	fmt_selected.setForeground(QBrush(settings->value("Output/Colors/Selected", DEF_SELECTED_COLOR).value<QColor>()));
798	fmt_selected.setFontWeight(QFont::Bold);
799
800	fmt_alternate.setForeground(QBrush(settings->value("Output/Colors/Alternate", DEF_ALTERNATE_COLOR).value<QColor>()));
801	fmt_alternate.setFontWeight(QFont::Bold);
802	fmt_altlist.setForeground(QBrush(hilight));
803
804	solutionText->setTextColor(color);
805	}
806
807	void MainWindow::loadLangList()
808	{
809	QDir dir(PATH_L10N, "tspsg_*.qm", QDir::Name \| QDir::IgnoreCase, QDir::Files);
810	if (!dir.exists())
811	return;
812	QFileInfoList langs = dir.entryInfoList();
813	if (langs.size() <= 0)
814	return;
815	QAction *a;
816	QTranslator t;
817	QString name;
818	for (int k = 0; k < langs.size(); k++) {
819	QFileInfo lang = langs.at(k);
820	if (lang.completeBaseName().compare("tspsg_en", Qt::CaseInsensitive) && t.load(lang.completeBaseName(), PATH_L10N)) {
821	name = t.translate("--------", "LANGNAME", "Please, provide a native name of your translation language here.");
822	a = menuSettingsLanguage->addAction(name);
823	a->setStatusTip(QString("Set application language to %1").arg(name));
824	a->setData(lang.completeBaseName().mid(6));
825	a->setCheckable(true);
826	a->setActionGroup(groupSettingsLanguageList);
827	if (settings->value("Language", QLocale::system().name()).toString().startsWith(lang.completeBaseName().mid(6)))
828	a->setChecked(true);
829	}
830	}
831	}
832
833	bool MainWindow::loadLanguage(const QString &lang)
834	{
835	// i18n
836	bool ad = false;
837	QString lng = lang;
838	if (lng.isEmpty()) {
839	ad = settings->value("Language", "").toString().isEmpty();
840	lng = settings->value("Language", QLocale::system().name()).toString();
841	}
842	static QTranslator *qtTranslator; // Qt library translator
843	if (qtTranslator) {
844	qApp->removeTranslator(qtTranslator);
845	delete qtTranslator;
846	qtTranslator = NULL;
847	}
848	static QTranslator *translator; // Application translator
849	if (translator) {
850	qApp->removeTranslator(translator);
851	delete translator;
852	translator = NULL;
853	}
854
855	if (lng == "en")
856	return true;
857
858	// Trying to load system Qt library translation...
859	qtTranslator = new QTranslator(this);
860	if (qtTranslator->load("qt_" + lng, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
861	qApp->installTranslator(qtTranslator);
862	else {
863	// No luck. Let's try to load a bundled one.
864	if (qtTranslator->load("qt_" + lng, PATH_L10N))
865	qApp->installTranslator(qtTranslator);
866	else {
867	// Qt library translation unavailable
868	delete qtTranslator;
869	qtTranslator = NULL;
870	}
871	}
872
873	// Now let's load application translation.
874	translator = new QTranslator(this);
875	if (translator->load("tspsg_" + lng, PATH_L10N))
876	qApp->installTranslator(translator);
877	else {
878	delete translator;
879	translator = NULL;
880	if (!ad) {
881	settings->remove("Language");
882	QApplication::setOverrideCursor(QCursor(Qt::ArrowCursor));
883	if (isVisible())
884	QMessageBox::warning(this, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
885	else
886	QMessageBox::warning(NULL, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
887	QApplication::restoreOverrideCursor();
888	}
889	return false;
890	}
891	return true;
892	}
893
894	bool MainWindow::maybeSave()
895	{
896	if (!isWindowModified())
897	return true;
898	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);
899	if (res == QMessageBox::Save)
900	return actionFileSaveTriggered();
901	else if (res == QMessageBox::Cancel)
902	return false;
903	else
904	return true;
905	}
906
907	void MainWindow::outputMatrix(QTextCursor &cur, const TMatrix &matrix)
908	{
909	int n = spinCities->value();
910	QTextTable *table = cur.insertTable(n, n, fmt_table);
911
912	for (int r = 0; r < n; r++) {
913	for (int c = 0; c < n; c++) {
914	cur = table->cellAt(r, c).firstCursorPosition();
915	cur.setBlockFormat(fmt_center);
916	cur.setBlockCharFormat(fmt_default);
917	if (matrix.at(r).at(c) == INFINITY)
918	cur.insertText(INFSTR);
919	else
920	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()));
921	}
922	QApplication::processEvents();
923	}
924	cur.movePosition(QTextCursor::End);
925	}
926
927	void MainWindow::outputMatrix(QTextCursor &cur, const SStep &step)
928	{
929	int n = spinCities->value();
930	QTextTable *table = cur.insertTable(n, n, fmt_table);
931
932	for (int r = 0; r < n; r++) {
933	for (int c = 0; c < n; c++) {
934	cur = table->cellAt(r, c).firstCursorPosition();
935	cur.setBlockFormat(fmt_center);
936	if (step.matrix.at(r).at(c) == INFINITY)
937	cur.insertText(INFSTR, fmt_default);
938	else if ((r == step.candidate.nRow) && (c == step.candidate.nCol))
939	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);
940	else {
941	SCandidate cand;
942	cand.nRow = r;
943	cand.nCol = c;
944	if (step.alts.contains(cand))
945	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);
946	else
947	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);
948	}
949	}
950	QApplication::processEvents();
951	}
952
953	cur.movePosition(QTextCursor::End);
954	}
955
956	void MainWindow::retranslateUi(bool all)
957	{
958	if (all)
959	Ui::MainWindow::retranslateUi(this);
960
961	actionSettingsLanguageEnglish->setStatusTip(tr("Set application language to %1").arg("English"));
962
963	#ifndef QT_NO_PRINTER
964	actionFilePrintPreview->setText(QApplication::translate("MainWindow", "P&rint Preview...", 0, QApplication::UnicodeUTF8));
965	#ifndef QT_NO_TOOLTIP
966	actionFilePrintPreview->setToolTip(QApplication::translate("MainWindow", "Preview solution results", 0, QApplication::UnicodeUTF8));
967	#endif // QT_NO_TOOLTIP
968	#ifndef QT_NO_STATUSTIP
969	actionFilePrintPreview->setStatusTip(QApplication::translate("MainWindow", "Preview current solution results before printing", 0, QApplication::UnicodeUTF8));
970	#endif // QT_NO_STATUSTIP
971
972	actionFilePrint->setText(QApplication::translate("MainWindow", "&Print...", 0, QApplication::UnicodeUTF8));
973	#ifndef QT_NO_TOOLTIP
974	actionFilePrint->setToolTip(QApplication::translate("MainWindow", "Print solution", 0, QApplication::UnicodeUTF8));
975	#endif // QT_NO_TOOLTIP
976	#ifndef QT_NO_STATUSTIP
977	actionFilePrint->setStatusTip(QApplication::translate("MainWindow", "Print current solution results", 0, QApplication::UnicodeUTF8));
978	#endif // QT_NO_STATUSTIP
979	actionFilePrint->setShortcut(QApplication::translate("MainWindow", "Ctrl+P", 0, QApplication::UnicodeUTF8));
980	#endif // QT_NO_PRINTER
981	#ifdef Q_OS_WIN32
982	actionHelpCheck4Updates->setText(tr("Check for &Updates..."));
983	#ifndef QT_NO_TOOLTIP
984	actionHelpCheck4Updates->setToolTip(tr("Check for %1 updates").arg(QApplication::applicationName()));
985	#endif // QT_NO_TOOLTIP
986	#ifndef QT_NO_STATUSTIP
987	actionHelpCheck4Updates->setStatusTip(tr("Check for %1 updates").arg(QApplication::applicationName()));
988	#endif // QT_NO_STATUSTIP
989	#endif // Q_OS_WIN32
990	}
991
992	bool MainWindow::saveTask() {
993	QStringList filters(tr("%1 Task File").arg("TSPSG") + " (*.tspt)");
994	filters.append(tr("All Files") + " (*)");
995	QString file;
996	if (fileName.endsWith(".tspt", Qt::CaseInsensitive))
997	file = fileName;
998	else
999	file = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt";
1000
1001	QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
1002	file = QFileDialog::getSaveFileName(this, tr("Task Save"), file, filters.join(";;"), NULL, opts);
1003
1004	if (file.isEmpty())
1005	return false;
1006	if (tspmodel->saveTask(file)) {
1007	setFileName(file);
1008	setWindowModified(false);
1009	return true;
1010	}
1011	return false;
1012	}
1013
1014	void MainWindow::setFileName(const QString &fileName)
1015	{
1016	this->fileName = fileName;
1017	setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(tr("Travelling Salesman Problem")));
1018	}
1019
1020	void MainWindow::setupUi()
1021	{
1022	Ui::MainWindow::setupUi(this);
1023
1024	#if QT_VERSION >= 0x040600
1025	setToolButtonStyle(Qt::ToolButtonFollowStyle);
1026	#endif
1027
1028	#ifndef HANDHELD
1029	QStatusBar *statusbar = new QStatusBar(this);
1030	statusbar->setObjectName("statusbar");
1031	setStatusBar(statusbar);
1032	#endif // HANDHELD
1033
1034	#ifdef Q_OS_WINCE_WM
1035	menuBar()->setDefaultAction(menuFile->menuAction());
1036
1037	QScrollArea *scrollArea = new QScrollArea(this);
1038	scrollArea->setFrameShape(QFrame::NoFrame);
1039	scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
1040	scrollArea->setWidgetResizable(true);
1041	scrollArea->setWidget(tabWidget);
1042	setCentralWidget(scrollArea);
1043	#else
1044	setCentralWidget(tabWidget);
1045	#endif // Q_OS_WINCE_WM
1046
1047	//! \hack HACK: A little hack for toolbar icons to have a sane size.
1048	#ifdef Q_OS_WINCE_WM
1049	toolBar->setIconSize(QSize(logicalDpiX() / 4, logicalDpiY() / 4));
1050	#elif defined(Q_OS_SYMBIAN)
1051	toolBar->setIconSize(QSize(logicalDpiX() / 5, logicalDpiY() / 5));
1052	#endif // Q_OS_WINCE_WM
1053
1054	solutionText->document()->setDefaultFont(settings->value("Output/Font", QFont(DEF_FONT_FAMILY, DEF_FONT_SIZE)).value<QFont>());
1055	solutionText->setWordWrapMode(QTextOption::WordWrap);
1056
1057	#ifndef QT_NO_PRINTER
1058	actionFilePrintPreview = new QAction(this);
1059	actionFilePrintPreview->setObjectName("actionFilePrintPreview");
1060	actionFilePrintPreview->setEnabled(false);
1061	actionFilePrintPreview->setIcon(QIcon(":/images/icons/document_preview.png"));
1062
1063	actionFilePrint = new QAction(this);
1064	actionFilePrint->setObjectName("actionFilePrint");
1065	actionFilePrint->setEnabled(false);
1066	actionFilePrint->setIcon(QIcon(":/images/icons/fileprint.png"));
1067
1068	menuFile->insertAction(actionFileExit,actionFilePrintPreview);
1069	menuFile->insertAction(actionFileExit,actionFilePrint);
1070	menuFile->insertSeparator(actionFileExit);
1071
1072	toolBar->insertAction(actionSettingsPreferences,actionFilePrint);
1073	#endif // QT_NO_PRINTER
1074	#ifdef Q_OS_WIN32
1075	actionHelpCheck4Updates = new QAction(this);
1076	actionHelpCheck4Updates->setEnabled(hasUpdater());
1077	menuHelp->insertAction(actionHelpAboutQt, actionHelpCheck4Updates);
1078	menuHelp->insertSeparator(actionHelpAboutQt);
1079	#endif // Q_OS_WIN32
1080
1081	groupSettingsLanguageList = new QActionGroup(this);
1082	actionSettingsLanguageEnglish->setData("en");
1083	actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
1084	loadLangList();
1085	actionSettingsLanguageAutodetect->setChecked(settings->value("Language", "").toString().isEmpty());
1086
1087	spinCities->setMaximum(MAX_NUM_CITIES);
1088
1089	retranslateUi(false);
1090
1091	#ifdef Q_OS_WIN32
1092	// Adding some eyecandy in Vista and 7 :-)
1093	if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) {
1094	toggleTranclucency(true);
1095	}
1096	#endif // Q_OS_WIN32
1097	}
1098
1099	void MainWindow::toggleSolutionActions(bool enable)
1100	{
1101	buttonSaveSolution->setEnabled(enable);
1102	actionFileSaveAsSolution->setEnabled(enable);
1103	solutionText->setEnabled(enable);
1104	#ifndef QT_NO_PRINTER
1105	actionFilePrint->setEnabled(enable);
1106	actionFilePrintPreview->setEnabled(enable);
1107	#endif // QT_NO_PRINTER
1108	}
1109
1110	void MainWindow::toggleTranclucency(bool enable)
1111	{
1112	#ifdef Q_OS_WIN32
1113	toggleStyle(labelVariant, enable);
1114	toggleStyle(labelCities, enable);
1115	toggleStyle(statusBar(), enable);
1116	tabWidget->setDocumentMode(enable);
1117	QtWin::enableBlurBehindWindow(this, enable);
1118	#else
1119	Q_UNUSED(enable);
1120	#endif // Q_OS_WIN32
1121	}

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