source: tspsg/src/mainwindow.cpp @ 142cff4d3d

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Last change on this file since 142cff4d3d was 03df0acb95, checked in by Oleksii Serdiuk, 14 years ago

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1/*
2 *  TSPSG: TSP Solver and Generator
3 *  Copyright (C) 2007-2011 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#ifdef Q_WS_WIN32
27#   include "shobjidl.h"
28#endif
29
30#ifdef _T_T_L_
31#include "_.h"
32_C_ _R_ _Y_ _P_ _T_
33#endif
34
35/*!
36 * \brief Class constructor.
37 * \param parent Main Window parent widget.
38 *
39 *  Initializes Main Window and creates its layout based on target OS.
40 *  Loads TSPSG settings and opens a task file if it was specified as a commandline parameter.
41 */
42MainWindow::MainWindow(QWidget *parent)
43    : QMainWindow(parent)
44{
45    settings = new QSettings(QSettings::IniFormat, QSettings::UserScope, "TSPSG", "tspsg", this);
46
47    if (settings->contains("Style")) {
48QStyle *s = QStyleFactory::create(settings->value("Style").toString());
49        if (s != NULL)
50            QApplication::setStyle(s);
51        else
52            settings->remove("Style");
53    }
54
55    loadLanguage();
56    setupUi();
57    setAcceptDrops(true);
58
59    initDocStyleSheet();
60
61#ifndef QT_NO_PRINTER
62    printer = new QPrinter(QPrinter::HighResolution);
63    settings->beginGroup("Printer");
64QPrinter::PaperSize size = qvariant_cast<QPrinter::PaperSize>(settings->value("PaperSize", DEF_PAGE_SIZE));
65    if (size != QPrinter::Custom) {
66        printer->setPaperSize(size);
67    } else {
68        printer->setPaperSize(QSizeF(settings->value("PaperWidth").toReal(), settings->value("PaperHeight").toReal()),
69                              QPrinter::Millimeter);
70    }
71
72    printer->setOrientation(qvariant_cast<QPrinter::Orientation>(settings->value("PageOrientation", DEF_PAGE_ORIENTATION)));
73    printer->setPageMargins(
74        settings->value("MarginLeft", DEF_MARGIN_LEFT).toReal(),
75        settings->value("MarginTop", DEF_MARGIN_TOP).toReal(),
76        settings->value("MarginRight", DEF_MARGIN_RIGHT).toReal(),
77        settings->value("MarginBottom", DEF_MARGIN_BOTTOM).toReal(),
78        QPrinter::Millimeter);
79    settings->endGroup();
80#endif // QT_NO_PRINTER
81
82#ifdef Q_WS_WINCE_WM
83    currentGeometry = QApplication::desktop()->availableGeometry(0);
84    // We need to react to SIP show/hide and resize the window appropriately
85    connect(QApplication::desktop(), SIGNAL(workAreaResized(int)), SLOT(desktopResized(int)));
86#endif // Q_WS_WINCE_WM
87    connect(actionFileNew, SIGNAL(triggered()), SLOT(actionFileNewTriggered()));
88    connect(actionFileOpen, SIGNAL(triggered()), SLOT(actionFileOpenTriggered()));
89    connect(actionFileSave, SIGNAL(triggered()), SLOT(actionFileSaveTriggered()));
90    connect(actionFileSaveAsTask, SIGNAL(triggered()), SLOT(actionFileSaveAsTaskTriggered()));
91    connect(actionFileSaveAsSolution, SIGNAL(triggered()), SLOT(actionFileSaveAsSolutionTriggered()));
92#ifndef QT_NO_PRINTER
93    connect(actionFilePrintPreview, SIGNAL(triggered()), SLOT(actionFilePrintPreviewTriggered()));
94    connect(actionFilePageSetup, SIGNAL(triggered()), SLOT(actionFilePageSetupTriggered()));
95    connect(actionFilePrint, SIGNAL(triggered()), SLOT(actionFilePrintTriggered()));
96#endif // QT_NO_PRINTER
97#ifndef HANDHELD
98    connect(actionSettingsToolbarsConfigure, SIGNAL(triggered()), SLOT(actionSettingsToolbarsConfigureTriggered()));
99#endif // HANDHELD
100    connect(actionSettingsPreferences, SIGNAL(triggered()), SLOT(actionSettingsPreferencesTriggered()));
101    if (actionHelpCheck4Updates != NULL)
102        connect(actionHelpCheck4Updates, SIGNAL(triggered()), SLOT(actionHelpCheck4UpdatesTriggered()));
103    connect(actionSettingsLanguageAutodetect, SIGNAL(triggered(bool)), SLOT(actionSettingsLanguageAutodetectTriggered(bool)));
104    connect(groupSettingsLanguageList, SIGNAL(triggered(QAction *)), SLOT(groupSettingsLanguageListTriggered(QAction *)));
105    connect(actionSettingsStyleSystem, SIGNAL(triggered(bool)), SLOT(actionSettingsStyleSystemTriggered(bool)));
106    connect(groupSettingsStyleList, SIGNAL(triggered(QAction*)), SLOT(groupSettingsStyleListTriggered(QAction*)));
107    connect(actionHelpOnlineSupport, SIGNAL(triggered()), SLOT(actionHelpOnlineSupportTriggered()));
108    connect(actionHelpReportBug, SIGNAL(triggered()), SLOT(actionHelpReportBugTriggered()));
109    connect(actionHelpAboutQt, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
110    connect(actionHelpAbout, SIGNAL(triggered()), SLOT(actionHelpAboutTriggered()));
111
112    connect(buttonSolve, SIGNAL(clicked()), SLOT(buttonSolveClicked()));
113    connect(buttonRandom, SIGNAL(clicked()), SLOT(buttonRandomClicked()));
114    connect(buttonBackToTask, SIGNAL(clicked()), SLOT(buttonBackToTaskClicked()));
115    connect(spinCities, SIGNAL(valueChanged(int)), SLOT(spinCitiesValueChanged(int)));
116
117#ifndef HANDHELD
118    // Centering main window
119QRect rect = geometry();
120    rect.moveCenter(QApplication::desktop()->availableGeometry(this).center());
121    setGeometry(rect);
122    if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
123        // Loading of saved window state
124        settings->beginGroup("MainWindow");
125        restoreGeometry(settings->value("Geometry").toByteArray());
126        restoreState(settings->value("State").toByteArray());
127        settings->endGroup();
128    }
129#endif // HANDHELD
130
131    tspmodel = new CTSPModel(this);
132    taskView->setModel(tspmodel);
133    connect(tspmodel, SIGNAL(numCitiesChanged(int)), SLOT(numCitiesChanged(int)));
134    connect(tspmodel, SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)), SLOT(dataChanged(const QModelIndex &, const QModelIndex &)));
135    connect(tspmodel, SIGNAL(layoutChanged()), SLOT(dataChanged()));
136    if ((QCoreApplication::arguments().count() > 1) && (tspmodel->loadTask(QCoreApplication::arguments().at(1))))
137        setFileName(QCoreApplication::arguments().at(1));
138    else {
139        setFileName();
140        spinCities->setValue(settings->value("NumCities",DEF_NUM_CITIES).toInt());
141        spinCitiesValueChanged(spinCities->value());
142    }
143    setWindowModified(false);
144
145    if (actionHelpCheck4Updates != NULL) {
146        if (!settings->contains("Check4Updates/Enabled")) {
147            QApplication::setOverrideCursor(QCursor(Qt::ArrowCursor));
148            settings->setValue("Check4Updates/Enabled",
149                QMessageBox::question(this, QCoreApplication::applicationName(),
150                    tr("Would you like %1 to automatically check for updates every %n day(s)?", "", settings->value("Check4Updates/Interval", DEF_UPDATE_CHECK_INTERVAL).toInt()).arg(QCoreApplication::applicationName()),
151                    QMessageBox::Yes | QMessageBox::No
152                ) == QMessageBox::Yes
153            );
154            QApplication::restoreOverrideCursor();
155        }
156        if ((settings->value("Check4Updates/Enabled", DEF_CHECK_FOR_UPDATES).toBool())
157            && (QDate(qvariant_cast<QDate>(settings->value("Check4Updates/LastAttempt"))).daysTo(QDate::currentDate()) >= settings->value("Check4Updates/Interval", DEF_UPDATE_CHECK_INTERVAL).toInt())) {
158            check4Updates(true);
159        }
160    }
161}
162
163MainWindow::~MainWindow()
164{
165#ifndef QT_NO_PRINTER
166    delete printer;
167#endif
168}
169
170/* Privates **********************************************************/
171
172void MainWindow::actionFileNewTriggered()
173{
174    if (!maybeSave())
175        return;
176    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
177    tspmodel->clear();
178    setFileName();
179    setWindowModified(false);
180    tabWidget->setCurrentIndex(0);
181    solutionText->clear();
182    graph = QPicture();
183    toggleSolutionActions(false);
184    QApplication::restoreOverrideCursor();
185}
186
187void MainWindow::actionFileOpenTriggered()
188{
189    if (!maybeSave())
190        return;
191
192QStringList filters(tr("All Supported Formats") + " (*.tspt *.zkt)");
193    filters.append(tr("%1 Task Files").arg("TSPSG") + " (*.tspt)");
194    filters.append(tr("%1 Task Files").arg("ZKomModRd") + " (*.zkt)");
195    filters.append(tr("All Files") + " (*)");
196
197QString file;
198    if ((fileName == tr("Untitled") + ".tspt") && settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool())
199        file = settings->value(OS"/LastUsed/TaskLoadPath").toString();
200    else
201        file = QFileInfo(fileName).path();
202QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
203    file = QFileDialog::getOpenFileName(this, tr("Task Load"), file, filters.join(";;"), NULL, opts);
204    if (file.isEmpty() || !QFileInfo(file).isFile())
205        return;
206    if (settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool())
207        settings->setValue(OS"/LastUsed/TaskLoadPath", QFileInfo(file).path());
208
209    if (!tspmodel->loadTask(file))
210        return;
211    setFileName(file);
212    tabWidget->setCurrentIndex(0);
213    setWindowModified(false);
214    solutionText->clear();
215    toggleSolutionActions(false);
216}
217
218bool MainWindow::actionFileSaveTriggered()
219{
220    if ((fileName == tr("Untitled") + ".tspt") || !fileName.endsWith(".tspt", Qt::CaseInsensitive))
221        return saveTask();
222    else
223        if (tspmodel->saveTask(fileName)) {
224            setWindowModified(false);
225            return true;
226        } else
227            return false;
228}
229
230void MainWindow::actionFileSaveAsTaskTriggered()
231{
232    saveTask();
233}
234
235void MainWindow::actionFileSaveAsSolutionTriggered()
236{
237static QString selectedFile;
238    if (selectedFile.isEmpty()) {
239        if (settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool()) {
240            selectedFile = settings->value(OS"/LastUsed/SolutionSavePath").toString();
241        }
242    } else
243        selectedFile = QFileInfo(selectedFile).path();
244    if (!selectedFile.isEmpty())
245        selectedFile.append("/");
246    if (fileName == tr("Untitled") + ".tspt") {
247#ifndef QT_NO_PRINTER
248        selectedFile += "solution.pdf";
249#else
250        selectedFile += "solution.html";
251#endif // QT_NO_PRINTER
252    } else {
253#ifndef QT_NO_PRINTER
254        selectedFile += QFileInfo(fileName).completeBaseName() + ".pdf";
255#else
256        selectedFile += QFileInfo(fileName).completeBaseName() + ".html";
257#endif // QT_NO_PRINTER
258    }
259
260QStringList filters;
261#ifndef QT_NO_PRINTER
262    filters.append(tr("PDF Files") + " (*.pdf)");
263#endif
264    filters.append(tr("HTML Files") + " (*.html *.htm)");
265    filters.append(tr("OpenDocument Files") + " (*.odt)");
266    filters.append(tr("All Files") + " (*)");
267
268QFileDialog::Options opts(settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog);
269QString file = QFileDialog::getSaveFileName(this, QString(), selectedFile, filters.join(";;"), NULL, opts);
270    if (file.isEmpty())
271        return;
272    selectedFile = file;
273    if (settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool())
274        settings->setValue(OS"/LastUsed/SolutionSavePath", QFileInfo(selectedFile).path());
275    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
276#ifndef QT_NO_PRINTER
277    if (selectedFile.endsWith(".pdf", Qt::CaseInsensitive)) {
278        printer->setOutputFileName(selectedFile);
279        solutionText->document()->print(printer);
280        printer->setOutputFileName(QString());
281        QApplication::restoreOverrideCursor();
282        return;
283    }
284#endif
285    if (selectedFile.endsWith(".htm", Qt::CaseInsensitive) || selectedFile.endsWith(".html", Qt::CaseInsensitive)) {
286QFile file(selectedFile);
287        if (!file.open(QFile::WriteOnly)) {
288            QApplication::restoreOverrideCursor();
289            QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution.\nError: %1").arg(file.errorString()));
290            return;
291        }
292QFileInfo fi(selectedFile);
293QString format = settings->value("Output/GraphImageFormat", DEF_GRAPH_IMAGE_FORMAT).toString();
294#if !defined(NOSVG)
295        if (!QImageWriter::supportedImageFormats().contains(format.toAscii()) && (format != "svg")) {
296#else // NOSVG
297        if (!QImageWriter::supportedImageFormats().contains(format.toAscii())) {
298#endif // NOSVG
299            format = DEF_GRAPH_IMAGE_FORMAT;
300            settings->remove("Output/GraphImageFormat");
301        }
302QString html = solutionText->document()->toHtml("UTF-8");
303
304        html.replace(QRegExp("font-family:([^;]*);"), "font-family:\\1, 'DejaVu Sans Mono', 'Courier New', Courier, monospace;");
305
306        if (!graph.isNull()) {
307            QString img =  fi.completeBaseName() + "." + format;
308            bool embed = settings->value("Output/EmbedGraphIntoHTML", DEF_EMBED_GRAPH_INTO_HTML).toBool();
309            QByteArray data;
310            QBuffer buf(&data);
311            if (!embed) {
312                html.replace(QRegExp("<img\\s+src=\"tspsg://graph.pic\""), QString("<img src=\"%1\" alt=\"%2\"").arg(img, tr("Solution Graph")));
313            }
314
315            // Saving solution graph in SVG or supported raster format (depending on settings and SVG support)
316#if !defined(NOSVG)
317            if (format == "svg") {
318                QSvgGenerator svg;
319                svg.setSize(QSize(graph.width() + 2, graph.height() + 2));
320                svg.setResolution(graph.logicalDpiX());
321                svg.setFileName(fi.path() + "/" + img);
322                svg.setTitle(tr("Solution Graph"));
323                svg.setDescription(tr("Generated with %1").arg(QCoreApplication::applicationName()));
324                QPainter p;
325                p.begin(&svg);
326                p.drawPicture(1, 1, graph);
327                p.end();
328            } else {
329#endif // NOSVG
330                QImage i(graph.width() + 2, graph.height() + 2, QImage::Format_ARGB32);
331                i.fill(0x00FFFFFF);
332                QPainter p;
333                p.begin(&i);
334                p.drawPicture(1, 1, graph);
335                p.end();
336                QImageWriter pic;
337                if (embed) {
338                    pic.setDevice(&buf);
339                    pic.setFormat(format.toAscii());
340                } else {
341                    pic.setFileName(fi.path() + "/" + img);
342                }
343                if (pic.supportsOption(QImageIOHandler::Description)) {
344                    pic.setText("Title", "Solution Graph");
345                    pic.setText("Software", QCoreApplication::applicationName());
346                }
347                if (format == "png")
348                    pic.setQuality(5);
349                else if (format == "jpeg")
350                    pic.setQuality(80);
351                if (!pic.write(i)) {
352                    QApplication::restoreOverrideCursor();
353                    QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution graph.\nError: %1").arg(pic.errorString()));
354                    return;
355                }
356#if !defined(NOSVG)
357            }
358#endif // NOSVG
359            if (embed) {
360                html.replace(QRegExp("<img\\s+src=\"tspsg://graph.pic\""), QString("<img src=\"data:image/%1;base64,%2\" alt=\"%3\"").arg(format, data.toBase64(), tr("Solution Graph")));
361            }
362        }
363        // Saving solution text as HTML
364QTextStream ts(&file);
365        ts.setCodec(QTextCodec::codecForName("UTF-8"));
366        ts << html;
367        file.close();
368    } else {
369QTextDocumentWriter dw(selectedFile);
370        if (!selectedFile.endsWith(".odt",Qt::CaseInsensitive))
371            dw.setFormat("plaintext");
372        if (!dw.write(solutionText->document()))
373            QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution.\nError: %1").arg(dw.device()->errorString()));
374    }
375    QApplication::restoreOverrideCursor();
376}
377
378#ifndef QT_NO_PRINTER
379void MainWindow::actionFilePrintPreviewTriggered()
380{
381QPrintPreviewDialog ppd(printer, this);
382    connect(&ppd,SIGNAL(paintRequested(QPrinter *)),SLOT(printPreview(QPrinter *)));
383    ppd.exec();
384
385qreal l, t, r, b;
386    printer->getPageMargins(&l, &t, &r, &b, QPrinter::Millimeter);
387
388    settings->beginGroup("Printer");
389    settings->setValue("PaperSize", printer->paperSize());
390    if (printer->paperSize() == QPrinter::Custom) {
391QSizeF size(printer->paperSize(QPrinter::Millimeter));
392        settings->setValue("PaperWidth", size.width());
393        settings->setValue("PaperHeight", size.height());
394    }
395    settings->setValue("PageOrientation", printer->orientation());
396    settings->setValue("MarginLeft", l);
397    settings->setValue("MarginTop", t);
398    settings->setValue("MarginRight", r);
399    settings->setValue("MarginBottom", b);
400    settings->endGroup();
401}
402
403void MainWindow::actionFilePageSetupTriggered()
404{
405QPageSetupDialog psd(printer, this);
406    if (psd.exec() != QDialog::Accepted)
407        return;
408
409qreal l, t, r ,b;
410    printer->getPageMargins(&l, &t, &r, &b, QPrinter::Millimeter);
411
412    settings->beginGroup("Printer");
413    settings->setValue("PaperSize", printer->paperSize());
414    if (printer->paperSize() == QPrinter::Custom) {
415QSizeF size(printer->paperSize(QPrinter::Millimeter));
416        settings->setValue("PaperWidth", size.width());
417        settings->setValue("PaperHeight", size.height());
418    }
419    settings->setValue("PageOrientation", printer->orientation());
420    settings->setValue("MarginLeft", l);
421    settings->setValue("MarginTop", t);
422    settings->setValue("MarginRight", r);
423    settings->setValue("MarginBottom", b);
424    settings->endGroup();
425}
426
427void MainWindow::actionFilePrintTriggered()
428{
429QPrintDialog pd(printer,this);
430    if (pd.exec() != QDialog::Accepted)
431        return;
432    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
433    solutionText->print(printer);
434    QApplication::restoreOverrideCursor();
435}
436#endif // QT_NO_PRINTER
437
438void MainWindow::actionSettingsPreferencesTriggered()
439{
440SettingsDialog sd(this);
441    if (sd.exec() != QDialog::Accepted)
442        return;
443    if (sd.colorChanged() || sd.fontChanged()) {
444        if (!solutionText->document()->isEmpty() && sd.colorChanged())
445            QMessageBox::information(this, tr("Settings Changed"), tr("You have changed color settings.\nThey will be applied to the next solution output."));
446        initDocStyleSheet();
447    }
448    if (sd.translucencyChanged() != 0)
449        toggleTranclucency(sd.translucencyChanged() == 1);
450}
451
452void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked)
453{
454    if (checked) {
455        settings->remove("Language");
456        QMessageBox::information(this, tr("Language change"), tr("Language will be autodetected on the next %1 start.").arg(QCoreApplication::applicationName()));
457    } else
458        settings->setValue("Language", groupSettingsLanguageList->checkedAction()->data().toString());
459}
460
461void MainWindow::groupSettingsLanguageListTriggered(QAction *action)
462{
463#ifndef Q_WS_MAEMO_5
464    if (actionSettingsLanguageAutodetect->isChecked())
465        actionSettingsLanguageAutodetect->trigger();
466#endif
467bool untitled = (fileName == tr("Untitled") + ".tspt");
468    if (loadLanguage(action->data().toString())) {
469        QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
470        settings->setValue("Language",action->data().toString());
471        retranslateUi();
472        if (untitled)
473            setFileName();
474#ifndef HANDHELD
475        if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool())  {
476            toggleStyle(labelVariant, true);
477            toggleStyle(labelCities, true);
478        }
479#endif
480        QApplication::restoreOverrideCursor();
481        if (!solutionText->document()->isEmpty())
482            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."));
483    }
484}
485
486void MainWindow::actionSettingsStyleSystemTriggered(bool checked)
487{
488    if (checked) {
489        settings->remove("Style");
490        QMessageBox::information(this, tr("Style Change"), tr("To apply the default style you need to restart %1.").arg(QCoreApplication::applicationName()));
491    } else {
492        settings->setValue("Style", groupSettingsStyleList->checkedAction()->text());
493    }
494}
495
496void MainWindow::groupSettingsStyleListTriggered(QAction *action)
497{
498QStyle *s = QStyleFactory::create(action->text());
499    if (s != NULL) {
500        QApplication::setStyle(s);
501        settings->setValue("Style", action->text());
502        actionSettingsStyleSystem->setChecked(false);
503    }
504}
505
506#ifndef HANDHELD
507void MainWindow::actionSettingsToolbarsConfigureTriggered()
508{
509QtToolBarDialog dlg(this);
510    dlg.setToolBarManager(toolBarManager);
511    dlg.exec();
512QToolButton *tb = static_cast<QToolButton *>(toolBarMain->widgetForAction(actionFileSave));
513    if (tb != NULL) {
514        tb->setMenu(menuFileSaveAs);
515        tb->setPopupMode(QToolButton::MenuButtonPopup);
516        tb->resize(tb->sizeHint());
517    }
518
519    loadToolbarList();
520}
521#endif // HANDHELD
522
523void MainWindow::actionHelpCheck4UpdatesTriggered()
524{
525    if (!hasUpdater()) {
526        QMessageBox::warning(this, tr("Unsupported Feature"), tr("Sorry, but this feature is not supported on your\nplatform or support for it was not installed."));
527        return;
528    }
529
530    check4Updates();
531}
532
533void MainWindow::actionHelpAboutTriggered()
534{
535    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
536
537QString title;
538    title += QString("<b>%1</b><br>").arg(QCoreApplication::applicationName());
539    title += QString("%1: <b>%2</b><br>").arg(tr("Version"), QCoreApplication::applicationVersion());
540#ifndef HANDHELD
541    title += QString("<b>&copy; 2007-%1 <a href=\"http://%2/\">%3</a></b><br>").arg(QDate::currentDate().toString("yyyy"), QCoreApplication::organizationDomain(), QCoreApplication::organizationName());
542#endif // HANDHELD
543    title += QString("<b><a href=\"http://tspsg.info/\">http://tspsg.info/</a></b>");
544
545QString about;
546    about += QString("%1: <b>%2</b><br>").arg(tr("Target OS (ARCH)"), PLATFROM);
547    about += QString("%1:<br>").arg(tr("Qt library"));
548    about += QString("&nbsp;&nbsp;&nbsp;&nbsp;%1: <b>%2</b><br>").arg(tr("Build time"), QT_VERSION_STR);
549    about += QString("&nbsp;&nbsp;&nbsp;&nbsp;%1: <b>%2</b><br>").arg(tr("Runtime"), qVersion());
550    about.append(QString("%1: <b>%2x%3</b><br>").arg(tr("Logical screen DPI")).arg(logicalDpiX()).arg(logicalDpiY()));
551    about += tr("Buid <b>%1</b>, built on <b>%2</b> at <b>%3</b> with <b>%4</b> compiler.").arg(BUILD_NUMBER).arg(__DATE__).arg(__TIME__).arg(COMPILER) + "<br>";
552    about += QString("%1: <b>%2</b><br>").arg(tr("Algorithm"), CTSPSolver::getVersionId());
553    about += "<br>";
554    about += tr("This program is free software: you can redistribute it and/or modify<br>\n"
555        "it under the terms of the GNU General Public License as published by<br>\n"
556        "the Free Software Foundation, either version 3 of the License, or<br>\n"
557        "(at your option) any later version.<br>\n"
558        "<br>\n"
559        "This program is distributed in the hope that it will be useful,<br>\n"
560        "but WITHOUT ANY WARRANTY; without even the implied warranty of<br>\n"
561        "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>\n"
562        "GNU General Public License for more details.<br>\n"
563        "<br>\n"
564        "You should have received a copy of the GNU General Public License<br>\n"
565        "along with TSPSG.  If not, see <a href=\"http://www.gnu.org/licenses/\">www.gnu.org/licenses/</a>.");
566
567QString credits;
568    credits += tr("%1 was created using <b>Qt&nbsp;framework</b> licensed "
569        "under the terms of the GNU Lesser General Public License,<br>\n"
570        "see <a href=\"http://qt.nokia.com/\">qt.nokia.com</a><br>\n"
571        "<br>\n"
572        "Most icons used in %1 are part of <b>Oxygen&nbsp;Icons</b> project "
573        "licensed according to the GNU Lesser General Public License,<br>\n"
574        "see <a href=\"http://www.oxygen-icons.org/\">www.oxygen-icons.org</a><br>\n"
575        "<br>\n"
576        "Country flag icons used in %1 are part of the free "
577        "<b>Flag&nbsp;Icons</b> collection created by <b>IconDrawer</b>,<br>\n"
578        "see <a href=\"http://www.icondrawer.com/\">www.icondrawer.com</a><br>\n"
579        "<br>\n"
580        "%1 comes with the default \"embedded\" font <b>DejaVu&nbsp;LGC&nbsp;Sans&nbsp;"
581        "Mono</b> from the <b>DejaVu fonts</b> licensed under a Free license</a>,<br>\n"
582        "see <a href=\"http://dejavu-fonts.org/\">dejavu-fonts.org</a>")
583            .arg("TSPSG");
584
585QFile f(":/files/COPYING");
586    f.open(QIODevice::ReadOnly);
587
588QString translation = QCoreApplication::translate("--------", "AUTHORS %1", "Please, provide translator credits here. %1 will be replaced with VERSION");
589    if ((translation != "AUTHORS %1") && (translation.contains("%1"))) {
590QString about = QCoreApplication::translate("--------", "VERSION", "Please, provide your translation version here.");
591        if (about != "VERSION")
592            translation = translation.arg(about);
593    }
594
595QDialog *dlg = new QDialog(this);
596QLabel *lblIcon = new QLabel(dlg),
597    *lblTitle = new QLabel(dlg);
598#ifdef HANDHELD
599QLabel *lblSubTitle = new QLabel(QString("<b>&copy; 2007-%1 <a href=\"http://%2/\">%3</a></b>").arg(QDate::currentDate().toString("yyyy"), QCoreApplication::organizationDomain(), QCoreApplication::organizationName()), dlg);
600#endif // HANDHELD
601QTabWidget *tabs = new QTabWidget(dlg);
602QTextBrowser *txtAbout = new QTextBrowser(dlg);
603QTextBrowser *txtLicense = new QTextBrowser(dlg);
604QTextBrowser *txtCredits = new QTextBrowser(dlg);
605QVBoxLayout *vb = new QVBoxLayout();
606QHBoxLayout *hb1 = new QHBoxLayout(),
607    *hb2 = new QHBoxLayout();
608QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok, Qt::Horizontal, dlg);
609
610    lblTitle->setOpenExternalLinks(true);
611    lblTitle->setText(title);
612    lblTitle->setAlignment(Qt::AlignTop);
613    lblTitle->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
614#ifndef HANDHELD
615    lblTitle->setStyleSheet(QString("QLabel {background-color: %1; border-color: %2; border-width: 1px; border-style: solid; border-radius: 4px; padding: 1px;}").arg(palette().alternateBase().color().name(), palette().shadow().color().name()));
616#endif // HANDHELD
617
618    lblIcon->setPixmap(QPixmap(":/images/tspsg.png").scaledToHeight(lblTitle->sizeHint().height(), Qt::SmoothTransformation));
619    lblIcon->setAlignment(Qt::AlignVCenter);
620#ifndef HANDHELD
621    lblIcon->setStyleSheet(QString("QLabel {background-color: white; border-color: %1; border-width: 1px; border-style: solid; border-radius: 4px; padding: 1px;}").arg(palette().windowText().color().name()));
622#endif // HANDHELD
623
624    hb1->addWidget(lblIcon);
625    hb1->addWidget(lblTitle);
626
627    txtAbout->setWordWrapMode(QTextOption::NoWrap);
628    txtAbout->setOpenExternalLinks(true);
629    txtAbout->setHtml(about);
630    txtAbout->moveCursor(QTextCursor::Start);
631    txtAbout->setFrameShape(QFrame::NoFrame);
632
633//      txtCredits->setWordWrapMode(QTextOption::NoWrap);
634    txtCredits->setOpenExternalLinks(true);
635    txtCredits->setHtml(credits);
636    txtCredits->moveCursor(QTextCursor::Start);
637    txtCredits->setFrameShape(QFrame::NoFrame);
638
639    txtLicense->setWordWrapMode(QTextOption::NoWrap);
640    txtLicense->setOpenExternalLinks(true);
641    txtLicense->setText(f.readAll());
642    txtLicense->moveCursor(QTextCursor::Start);
643    txtLicense->setFrameShape(QFrame::NoFrame);
644
645    bb->button(QDialogButtonBox::Ok)->setCursor(QCursor(Qt::PointingHandCursor));
646    bb->button(QDialogButtonBox::Ok)->setIcon(GET_ICON("dialog-ok"));
647
648    hb2->addWidget(bb);
649
650#ifdef Q_WS_WINCE_WM
651    vb->setMargin(3);
652#endif // Q_WS_WINCE_WM
653    vb->addLayout(hb1);
654#ifdef HANDHELD
655    vb->addWidget(lblSubTitle);
656#endif // HANDHELD
657
658    tabs->addTab(txtAbout, tr("About"));
659    tabs->addTab(txtLicense, tr("License"));
660    tabs->addTab(txtCredits, tr("Credits"));
661    if (translation != "AUTHORS %1") {
662QTextBrowser *txtTranslation = new QTextBrowser(dlg);
663//              txtTranslation->setWordWrapMode(QTextOption::NoWrap);
664        txtTranslation->setOpenExternalLinks(true);
665        txtTranslation->setText(translation);
666        txtTranslation->moveCursor(QTextCursor::Start);
667        txtTranslation->setFrameShape(QFrame::NoFrame);
668
669        tabs->addTab(txtTranslation, tr("Translation"));
670    }
671#ifndef HANDHELD
672    tabs->setStyleSheet(QString("QTabWidget::pane {background-color: %1; border-color: %3; border-width: 1px; border-style: solid; border-bottom-left-radius: 4px; border-bottom-right-radius: 4px; padding: 1px;} QTabBar::tab {background-color: %2; border-color: %3; border-width: 1px; border-style: solid; border-bottom: none; border-top-left-radius: 4px; border-top-right-radius: 4px; padding: 2px 6px;} QTabBar::tab:selected {background-color: %4;} QTabBar::tab:!selected {margin-top: 1px;}").arg(palette().base().color().name(), palette().button().color().name(), palette().shadow().color().name(), palette().light().color().name()));
673#endif // HANDHELD
674
675    vb->addWidget(tabs);
676    vb->addLayout(hb2);
677
678    dlg->setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::WindowCloseButtonHint);
679    dlg->setWindowTitle(tr("About %1").arg(QCoreApplication::applicationName()));
680    dlg->setWindowIcon(GET_ICON("help-about"));
681
682    dlg->setLayout(vb);
683
684    connect(bb, SIGNAL(accepted()), dlg, SLOT(accept()));
685
686#ifndef HANDHELD
687    // Adding some eyecandy
688    if (QtWin::isCompositionEnabled())  {
689        QtWin::enableBlurBehindWindow(dlg, true);
690    }
691#endif // HANDHELD
692
693#ifndef HANDHELD
694    dlg->resize(450, 350);
695#endif
696    QApplication::restoreOverrideCursor();
697
698    dlg->exec();
699
700    delete dlg;
701}
702
703void MainWindow::buttonBackToTaskClicked()
704{
705    tabWidget->setCurrentIndex(0);
706}
707
708void MainWindow::buttonRandomClicked()
709{
710    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
711    tspmodel->randomize();
712    QApplication::restoreOverrideCursor();
713}
714
715void MainWindow::buttonSolveClicked()
716{
717TMatrix matrix;
718QList<double> row;
719int n = spinCities->value();
720bool ok;
721    for (int r = 0; r < n; r++) {
722        row.clear();
723        for (int c = 0; c < n; c++) {
724            row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok));
725            if (!ok) {
726                QMessageBox::critical(this, tr("Data error"), tr("Error in cell [Row %1; Column %2]: Invalid data format.").arg(r + 1).arg(c + 1));
727                return;
728            }
729        }
730        matrix.append(row);
731    }
732
733QProgressDialog pd(this);
734QProgressBar *pb = new QProgressBar(&pd);
735    pb->setAlignment(Qt::AlignCenter);
736    pb->setFormat(tr("%v of %1 parts found").arg(n));
737    pd.setBar(pb);
738QPushButton *cancel = new QPushButton(&pd);
739    cancel->setIcon(GET_ICON("dialog-cancel"));
740    cancel->setText(QCoreApplication::translate("QDialogButtonBox", "Cancel", "No need to translate this. The translation will be taken from Qt translation files."));
741    pd.setCancelButton(cancel);
742    pd.setMaximum(n);
743    pd.setAutoReset(false);
744    pd.setLabelText(tr("Calculating optimal route..."));
745    pd.setWindowTitle(tr("Solution Progress"));
746    pd.setWindowModality(Qt::ApplicationModal);
747    pd.setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint);
748    pd.show();
749
750#ifdef Q_WS_WIN32
751HRESULT hr = CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_ITaskbarList3, (LPVOID*)&tl);
752    if (SUCCEEDED(hr)) {
753        hr = tl->HrInit();
754        if (FAILED(hr)) {
755            tl->Release();
756            tl = NULL;
757        } else {
758            tl->SetProgressValue(winId(), 0, n * 2);
759        }
760    }
761#endif
762
763CTSPSolver solver;
764    solver.setCleanupOnCancel(false);
765    connect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int)));
766    connect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel()));
767#ifdef Q_WS_WIN32
768    if (tl != NULL)
769        connect(&solver, SIGNAL(routePartFound(int)), SLOT(solverRoutePartFound(int)));
770#endif
771SStep *root = solver.solve(n, matrix);
772#ifdef Q_WS_WIN32
773    if (tl != NULL)
774        disconnect(&solver, SIGNAL(routePartFound(int)), this, SLOT(solverRoutePartFound(int)));
775#endif
776    disconnect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int)));
777    disconnect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel()));
778    if (!root) {
779        pd.reset();
780        if (!solver.wasCanceled()) {
781#ifdef Q_WS_WIN32
782            if (tl != NULL) {
783                tl->SetProgressState(winId(), TBPF_ERROR);
784            }
785#endif
786            QApplication::alert(this);
787            QMessageBox::warning(this, tr("Solution Result"), tr("Unable to find a solution.\nMaybe, this task has no solution."));
788        }
789        pd.setLabelText(tr("Memory cleanup..."));
790        pd.setMaximum(0);
791        pd.setCancelButton(NULL);
792        pd.show();
793#ifdef Q_WS_WIN32
794        if (tl != NULL)
795            tl->SetProgressState(winId(), TBPF_INDETERMINATE);
796#endif
797        QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
798
799#ifndef QT_NO_CONCURRENT
800QFuture<void> f = QtConcurrent::run(&solver, &CTSPSolver::cleanup, false);
801        while (!f.isFinished()) {
802            QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
803        }
804#else
805        solver.cleanup(true);
806#endif
807        pd.reset();
808#ifdef Q_WS_WIN32
809        if (tl != NULL) {
810            tl->SetProgressState(winId(), TBPF_NOPROGRESS);
811            tl->Release();
812            tl = NULL;
813        }
814#endif
815        return;
816    }
817    pb->setFormat(tr("Generating header"));
818    pd.setLabelText(tr("Generating solution output..."));
819    pd.setMaximum(solver.getTotalSteps() + 1);
820    pd.setValue(0);
821
822#ifdef Q_WS_WIN32
823    if (tl != NULL)
824        tl->SetProgressValue(winId(), spinCities->value(), spinCities->value() + solver.getTotalSteps() + 1);
825#endif
826
827    solutionText->clear();
828    solutionText->setDocumentTitle(tr("Solution of Variant #%1 Task").arg(spinVariant->value()));
829
830QPainter pic;
831bool dograph = settings->value("Output/GenerateGraph", DEF_GENERATE_GRAPH).toBool();
832    if (dograph) {
833        pic.begin(&graph);
834        pic.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
835QFont font = qvariant_cast<QFont>(settings->value("Output/Font", QFont(DEF_FONT_FACE)));
836        font.setStyleHint(QFont::TypeWriter);
837        // Font size in pixels = graph node radius / 2.75.
838        // See MainWindow::drawNode() for graph node radius calcualtion description.
839#ifndef Q_WS_S60
840        font.setPixelSize(logicalDpiX() * (settings->value("Output/GraphWidth", DEF_GRAPH_WIDTH).toReal() / CM_IN_INCH) / 4.5 / 2.75);
841#else
842        // Also, see again MainWindow::drawNode() for why is additional 1.3 divider added in Symbian.
843        font.setPixelSize(logicalDpiX() * (settings->value("Output/GraphWidth", DEF_GRAPH_WIDTH).toReal() / CM_IN_INCH) / 4.5 / 2.75 / 1.3);
844#endif
845        if (settings->value("Output/HQGraph", DEF_HQ_GRAPH).toBool()) {
846            font.setWeight(QFont::DemiBold);
847            font.setPixelSize(font.pixelSize() * HQ_FACTOR);
848        }
849        pic.setFont(font);
850        pic.setBrush(QBrush(QColor(Qt::white)));
851        if (settings->value("Output/HQGraph", DEF_HQ_GRAPH).toBool()) {
852QPen pen = pic.pen();
853            pen.setWidth(HQ_FACTOR);
854            pic.setPen(pen);
855        }
856        pic.setBackgroundMode(Qt::OpaqueMode);
857    } else {
858        graph = QPicture();
859    }
860
861QTextDocument *doc = solutionText->document();
862QTextCursor cur(doc);
863
864    cur.beginEditBlock();
865    cur.setBlockFormat(fmt_paragraph);
866    cur.insertText(tr("Variant #%1 Task").arg(spinVariant->value()), fmt_default);
867    cur.insertBlock(fmt_paragraph);
868    cur.insertText(tr("Task:"), fmt_default);
869    outputMatrix(cur, matrix);
870    if (dograph) {
871#ifdef _T_T_L_
872        _b_ _i_ _z_ _a_ _r_ _r_ _e_
873#endif
874        drawNode(pic, 0);
875    }
876    cur.insertHtml("<hr>");
877    cur.insertBlock(fmt_paragraph);
878int imgpos = cur.position();
879    cur.insertText(tr("Variant #%1 Solution").arg(spinVariant->value()), fmt_default);
880    cur.endEditBlock();
881
882SStep *step = root;
883int c = n = 1;
884    pb->setFormat(tr("Generating step %v"));
885    while ((step->next != SStep::NoNextStep) && (c < spinCities->value())) {
886        if (pd.wasCanceled()) {
887            pd.setLabelText(tr("Memory cleanup..."));
888            pd.setMaximum(0);
889            pd.setCancelButton(NULL);
890            pd.show();
891            QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
892#ifdef Q_WS_WIN32
893            if (tl != NULL)
894                tl->SetProgressState(winId(), TBPF_INDETERMINATE);
895#endif
896#ifndef QT_NO_CONCURRENT
897QFuture<void> f = QtConcurrent::run(&solver, &CTSPSolver::cleanup, false);
898            while (!f.isFinished()) {
899                QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
900            }
901#else
902            solver.cleanup(true);
903#endif
904            solutionText->clear();
905            toggleSolutionActions(false);
906#ifdef Q_WS_WIN32
907            if (tl != NULL) {
908                tl->SetProgressState(winId(), TBPF_NOPROGRESS);
909                tl->Release();
910                tl = NULL;
911            }
912#endif
913            return;
914        }
915        pd.setValue(n);
916#ifdef Q_WS_WIN32
917        if (tl != NULL)
918            tl->SetProgressValue(winId(), spinCities->value() + n, spinCities->value() + solver.getTotalSteps() + 1);
919#endif
920
921        cur.beginEditBlock();
922        cur.insertBlock(fmt_paragraph);
923        cur.insertText(tr("Step #%1").arg(n), fmt_default);
924        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())))) {
925            outputMatrix(cur, *step);
926        }
927        if (step->alts.empty())
928            cur.insertBlock(fmt_lastparagraph);
929        else
930            cur.insertBlock(fmt_paragraph);
931        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);
932        if (!step->alts.empty()) {
933            SStep::SCandidate cand;
934            QString alts;
935            foreach(cand, step->alts) {
936                if (!alts.isEmpty())
937                    alts += ", ";
938                alts += tr("(%1;%2)").arg(cand.nRow + 1).arg(cand.nCol + 1);
939            }
940            cur.insertBlock(fmt_lastparagraph);
941            cur.insertText(tr("%n alternate candidate(s) for branching: %1.", "", step->alts.count()).arg(alts), fmt_altlist);
942        }
943        cur.endEditBlock();
944
945        if (dograph) {
946            if (step->prNode != NULL)
947                drawNode(pic, n, false, step->prNode);
948            if (step->plNode != NULL)
949                drawNode(pic, n, true, step->plNode);
950        }
951        n++;
952
953        if (step->next == SStep::RightBranch) {
954            c++;
955            step = step->prNode;
956        } else if (step->next == SStep::LeftBranch) {
957            step = step->plNode;
958        } else
959            break;
960    }
961    pb->setFormat(tr("Generating footer"));
962    pd.setValue(n);
963#ifdef Q_WS_WIN32
964    if (tl != NULL)
965        tl->SetProgressValue(winId(), spinCities->value() + n, spinCities->value() + solver.getTotalSteps() + 1);
966#endif
967
968    cur.beginEditBlock();
969    cur.insertBlock(fmt_paragraph);
970    if (solver.isOptimal())
971        cur.insertText(tr("Optimal path:"), fmt_default);
972    else
973        cur.insertText(tr("Resulting path:"), fmt_default);
974
975    cur.insertBlock(fmt_paragraph);
976    cur.insertText("  " + solver.getSortedPath(tr("City %1")));
977
978    if (solver.isOptimal())
979        cur.insertBlock(fmt_paragraph);
980    else
981        cur.insertBlock(fmt_lastparagraph);
982    if (isInteger(step->price))
983        cur.insertHtml("<p>" + tr("The price is <b>%n</b> unit(s).", "", qRound(step->price)) + "</p>");
984    else
985        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>");
986    if (!solver.isOptimal()) {
987        cur.insertBlock(fmt_paragraph);
988        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>");
989    }
990    cur.endEditBlock();
991
992    if (dograph) {
993        pic.end();
994
995QImage i(graph.width() + 2, graph.height() + 2, QImage::Format_RGB32);
996        i.fill(0xFFFFFF);
997        pic.begin(&i);
998        pic.drawPicture(1, 1, graph);
999        pic.end();
1000        doc->addResource(QTextDocument::ImageResource, QUrl("tspsg://graph.pic"), i);
1001
1002QTextImageFormat img;
1003        img.setName("tspsg://graph.pic");
1004        if (settings->value("Output/HQGraph", DEF_HQ_GRAPH).toBool()) {
1005            img.setWidth(i.width() / HQ_FACTOR);
1006            img.setHeight(i.height() / HQ_FACTOR);
1007        } else {
1008            img.setWidth(i.width());
1009            img.setHeight(i.height());
1010        }
1011
1012        cur.setPosition(imgpos);
1013        cur.insertImage(img, QTextFrameFormat::FloatRight);
1014    }
1015
1016    if (settings->value("Output/ScrollToEnd", DEF_SCROLL_TO_END).toBool()) {
1017        // Scrolling to the end of the text.
1018        solutionText->moveCursor(QTextCursor::End);
1019    } else
1020        solutionText->moveCursor(QTextCursor::Start);
1021
1022    pd.setLabelText(tr("Memory cleanup..."));
1023    pd.setMaximum(0);
1024    pd.setCancelButton(NULL);
1025    QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
1026#ifdef Q_WS_WIN32
1027    if (tl != NULL)
1028        tl->SetProgressState(winId(), TBPF_INDETERMINATE);
1029#endif
1030#ifndef QT_NO_CONCURRENT
1031QFuture<void> f = QtConcurrent::run(&solver, &CTSPSolver::cleanup, false);
1032    while (!f.isFinished()) {
1033        QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
1034    }
1035#else
1036    solver.cleanup(true);
1037#endif
1038    toggleSolutionActions();
1039    tabWidget->setCurrentIndex(1);
1040#ifdef Q_WS_WIN32
1041    if (tl != NULL) {
1042        tl->SetProgressState(winId(), TBPF_NOPROGRESS);
1043        tl->Release();
1044        tl = NULL;
1045    }
1046#endif
1047
1048    pd.reset();
1049    QApplication::alert(this, 3000);
1050}
1051
1052void MainWindow::dataChanged()
1053{
1054    setWindowModified(true);
1055}
1056
1057void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br)
1058{
1059    setWindowModified(true);
1060    if (settings->value("Autosize", DEF_AUTOSIZE).toBool()) {
1061        for (int k = tl.row(); k <= br.row(); k++)
1062            taskView->resizeRowToContents(k);
1063        for (int k = tl.column(); k <= br.column(); k++)
1064            taskView->resizeColumnToContents(k);
1065    }
1066}
1067
1068#ifdef Q_WS_WINCE_WM
1069void MainWindow::changeEvent(QEvent *ev)
1070{
1071    if ((ev->type() == QEvent::ActivationChange) && isActiveWindow())
1072        desktopResized(0);
1073
1074    QWidget::changeEvent(ev);
1075}
1076
1077void MainWindow::desktopResized(int screen)
1078{
1079    if ((screen != 0) || !isActiveWindow())
1080        return;
1081
1082QRect availableGeometry = QApplication::desktop()->availableGeometry(0);
1083    if (currentGeometry != availableGeometry) {
1084        QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1085        /*!
1086         * \hack HACK: This hack checks whether \link QDesktopWidget::availableGeometry() availableGeometry()\endlink's \c top + \c hegiht = \link QDesktopWidget::screenGeometry() screenGeometry()\endlink's \c height.
1087         *  If \c true, the window gets maximized. If we used \c setGeometry() in this case, the bottom of the
1088         *  window would end up being behind the soft buttons. Is this a bug in Qt or Windows Mobile?
1089         */
1090        if ((availableGeometry.top() + availableGeometry.height()) == QApplication::desktop()->screenGeometry().height()) {
1091            setWindowState(windowState() | Qt::WindowMaximized);
1092        } else {
1093            if (windowState() & Qt::WindowMaximized)
1094                setWindowState(windowState() ^ Qt::WindowMaximized);
1095            setGeometry(availableGeometry);
1096        }
1097        currentGeometry = availableGeometry;
1098        QApplication::restoreOverrideCursor();
1099    }
1100}
1101#endif // Q_WS_WINCE_WM
1102
1103void MainWindow::numCitiesChanged(int nCities)
1104{
1105    blockSignals(true);
1106    spinCities->setValue(nCities);
1107    blockSignals(false);
1108}
1109
1110#ifndef QT_NO_PRINTER
1111void MainWindow::printPreview(QPrinter *printer)
1112{
1113    solutionText->print(printer);
1114}
1115#endif // QT_NO_PRINTER
1116
1117#ifdef Q_WS_WIN32
1118void MainWindow::solverRoutePartFound(int n)
1119{
1120    tl->SetProgressValue(winId(), n, spinCities->value() * 2);
1121}
1122#endif // Q_WS_WIN32
1123
1124void MainWindow::spinCitiesValueChanged(int n)
1125{
1126    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1127int count = tspmodel->numCities();
1128    tspmodel->setNumCities(n);
1129    if ((n > count) && settings->value("Autosize", DEF_AUTOSIZE).toBool())
1130        for (int k = count; k < n; k++) {
1131            taskView->resizeColumnToContents(k);
1132            taskView->resizeRowToContents(k);
1133        }
1134    QApplication::restoreOverrideCursor();
1135}
1136
1137void MainWindow::check4Updates(bool silent)
1138{
1139#ifdef Q_WS_WIN32
1140    if (silent)
1141        QProcess::startDetached("updater/Update.exe -name=\"TSPSG: TSP Solver and Generator\" -check=\"freeupdate\" -silentcheck");
1142    else {
1143        QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1144        QProcess::execute("updater/Update.exe -name=\"TSPSG: TSP Solver and Generator\" -check=\"freeupdate\"");
1145        QApplication::restoreOverrideCursor();
1146    }
1147#else
1148    Q_UNUSED(silent)
1149#endif
1150    settings->setValue("Check4Updates/LastAttempt", QDate::currentDate().toString(Qt::ISODate));
1151}
1152
1153void MainWindow::closeEvent(QCloseEvent *ev)
1154{
1155    if (!maybeSave()) {
1156        ev->ignore();
1157        return;
1158    }
1159    if (!settings->value("SettingsReset", false).toBool()) {
1160        settings->setValue("NumCities", spinCities->value());
1161
1162        // Saving Main Window state
1163#ifndef HANDHELD
1164        if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
1165            settings->beginGroup("MainWindow");
1166            settings->setValue("Geometry", saveGeometry());
1167            settings->setValue("State", saveState());
1168            settings->setValue("Toolbars", toolBarManager->saveState());
1169            settings->endGroup();
1170        }
1171#else
1172        settings->setValue("MainWindow/ToolbarVisible", toolBarMain->isVisible());
1173#endif // HANDHELD
1174    } else {
1175        settings->remove("SettingsReset");
1176    }
1177
1178    QMainWindow::closeEvent(ev);
1179}
1180
1181void MainWindow::dragEnterEvent(QDragEnterEvent *ev)
1182{
1183    if (ev->mimeData()->hasUrls() && (ev->mimeData()->urls().count() == 1)) {
1184QFileInfo fi(ev->mimeData()->urls().first().toLocalFile());
1185        if ((fi.suffix() == "tspt") || (fi.suffix() == "zkt"))
1186            ev->acceptProposedAction();
1187    }
1188}
1189
1190void MainWindow::drawNode(QPainter &pic, int nstep, bool left, SStep *step)
1191{
1192qreal r; // Radius of graph node
1193    // We calculate r from the full graph width in centimeters:
1194    //   r = width in pixels / 4.5.
1195    //   width in pixels = DPI * width in inches.
1196    //   width in inches = width in cm / cm in inch.
1197    r = logicalDpiX() * (settings->value("Output/GraphWidth", DEF_GRAPH_WIDTH).toReal() / CM_IN_INCH) / 4.5;
1198    if (settings->value("Output/HQGraph", DEF_HQ_GRAPH).toBool())
1199        r *= HQ_FACTOR;
1200#ifdef Q_WS_S60
1201    /*! \hack HACK: Solution graph on Symbian is visually larger than on
1202     *   Windows Mobile. This coefficient makes it about the same size.
1203     */
1204    r /= 1.3;
1205#endif
1206
1207qreal x, y;
1208    if (step != NULL)
1209        x = left ? r : r * 3.5;
1210    else
1211        x = r * 2.25;
1212    y = r * (3 * nstep + 1);
1213
1214#ifdef _T_T_L_
1215    if (nstep == -481124) {
1216        _t_t_l_(pic, r, x);
1217        return;
1218    }
1219#endif
1220
1221    pic.drawEllipse(QPointF(x, y), r, r);
1222
1223    if (step != NULL) {
1224QFont font;
1225        if (left) {
1226            font = pic.font();
1227            font.setStrikeOut(true);
1228            pic.setFont(font);
1229        }
1230        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");
1231        if (left) {
1232            font.setStrikeOut(false);
1233            pic.setFont(font);
1234        }
1235        if (step->price != INFINITY) {
1236            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()));
1237        } else {
1238            pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, "\n"INFSTR);
1239        }
1240    } else {
1241        pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, tr("Root"));
1242    }
1243
1244    if (nstep == 1) {
1245        pic.drawLine(QPointF(x, y - r), QPointF(r * 2.25, y - 2 * r));
1246    } else if (nstep > 1) {
1247        pic.drawLine(QPointF(x, y - r), QPointF((step->pNode->pNode->next == SStep::RightBranch) ? r * 3.5 : r, y - 2 * r));
1248    }
1249
1250}
1251
1252void MainWindow::dropEvent(QDropEvent *ev)
1253{
1254    if (maybeSave() && tspmodel->loadTask(ev->mimeData()->urls().first().toLocalFile())) {
1255        setFileName(ev->mimeData()->urls().first().toLocalFile());
1256        tabWidget->setCurrentIndex(0);
1257        setWindowModified(false);
1258        solutionText->clear();
1259        toggleSolutionActions(false);
1260
1261        ev->setDropAction(Qt::CopyAction);
1262        ev->accept();
1263    }
1264}
1265
1266void MainWindow::initDocStyleSheet()
1267{
1268    solutionText->document()->setDefaultFont(qvariant_cast<QFont>(settings->value("Output/Font", QFont(DEF_FONT_FACE, DEF_FONT_SIZE))));
1269
1270    fmt_paragraph.setTopMargin(5);
1271    fmt_paragraph.setRightMargin(10);
1272    fmt_paragraph.setBottomMargin(0);
1273    fmt_paragraph.setLeftMargin(10);
1274
1275    fmt_lastparagraph.setTopMargin(5);
1276    fmt_lastparagraph.setRightMargin(10);
1277    fmt_lastparagraph.setBottomMargin(15);
1278    fmt_lastparagraph.setLeftMargin(10);
1279
1280    fmt_table.setTopMargin(5);
1281    fmt_table.setRightMargin(10);
1282    fmt_table.setBottomMargin(0);
1283    fmt_table.setLeftMargin(10);
1284    fmt_table.setBorder(0);
1285    fmt_table.setBorderStyle(QTextFrameFormat::BorderStyle_None);
1286    fmt_table.setCellSpacing(5);
1287
1288    fmt_cell.setAlignment(Qt::AlignHCenter);
1289
1290    settings->beginGroup("Output/Colors");
1291
1292QColor color = qvariant_cast<QColor>(settings->value("Text", DEF_TEXT_COLOR));
1293QColor hilight;
1294    if (color.value() < 192)
1295        hilight.setHsv(color.hue(), color.saturation(), 127 + qRound(color.value() / 2));
1296    else
1297        hilight.setHsv(color.hue(), color.saturation(), color.value() / 2);
1298
1299    solutionText->document()->setDefaultStyleSheet(QString("* {color: %1;}").arg(color.name()));
1300    fmt_default.setForeground(QBrush(color));
1301
1302    fmt_selected.setForeground(QBrush(qvariant_cast<QColor>(settings->value("Selected", DEF_SELECTED_COLOR))));
1303    fmt_selected.setFontWeight(QFont::Bold);
1304
1305    fmt_alternate.setForeground(QBrush(qvariant_cast<QColor>(settings->value("Alternate", DEF_ALTERNATE_COLOR))));
1306    fmt_alternate.setFontWeight(QFont::Bold);
1307    fmt_altlist.setForeground(QBrush(hilight));
1308
1309    settings->endGroup();
1310
1311    solutionText->setTextColor(color);
1312}
1313
1314void MainWindow::loadLangList()
1315{
1316QMap<QString, QStringList> langlist;
1317QFileInfoList langs;
1318QFileInfo lang;
1319QStringList language, dirs;
1320QTranslator t;
1321QDir dir;
1322    dir.setFilter(QDir::Files);
1323    dir.setNameFilters(QStringList("tspsg_*.qm"));
1324    dir.setSorting(QDir::NoSort);
1325
1326    dirs << PATH_L10N << ":/l10n";
1327    foreach (QString dirname, dirs) {
1328        dir.setPath(dirname);
1329        if (dir.exists()) {
1330            langs = dir.entryInfoList();
1331            for (int k = 0; k < langs.size(); k++) {
1332                lang = langs.at(k);
1333                if (lang.completeBaseName().compare("tspsg_en", Qt::CaseInsensitive) && !langlist.contains(lang.completeBaseName().mid(6)) && t.load(lang.completeBaseName(), dirname)) {
1334
1335                    language.clear();
1336                    language.append(lang.completeBaseName().mid(6));
1337                    language.append(t.translate("--------", "COUNTRY", "Please, provide an ISO 3166-1 alpha-2 country code for this translation language here (eg., UA).").toLower());
1338                    language.append(t.translate("--------", "LANGNAME", "Please, provide a native name of your translation language here."));
1339                    language.append(t.translate("MainWindow", "Set application language to %1", "").arg(language.at(2)));
1340
1341                    langlist.insert(language.at(0), language);
1342                }
1343            }
1344        }
1345    }
1346
1347QAction *a;
1348    foreach (language, langlist) {
1349        a = menuSettingsLanguage->addAction(language.at(2));
1350#ifndef QT_NO_STATUSTIP
1351        a->setStatusTip(language.at(3));
1352#endif
1353#if QT_VERSION >= 0x040600
1354        a->setIcon(QIcon::fromTheme(QString("flag-%1").arg(language.at(1)), QIcon(QString(":/images/icons/l10n/flag-%1.png").arg(language.at(1)))));
1355#else
1356        a->setIcon(QIcon(QString(":/images/icons/l10n/flag-%1.png").arg(language.at(1))));
1357#endif
1358        a->setData(language.at(0));
1359        a->setCheckable(true);
1360        a->setActionGroup(groupSettingsLanguageList);
1361        if (settings->value("Language", QLocale::system().name()).toString().startsWith(language.at(0)))
1362            a->setChecked(true);
1363    }
1364}
1365
1366bool MainWindow::loadLanguage(const QString &lang)
1367{
1368// i18n
1369bool ad = false;
1370QString lng = lang;
1371    if (lng.isEmpty()) {
1372        ad = settings->value("Language").toString().isEmpty();
1373        lng = settings->value("Language", QLocale::system().name()).toString();
1374    }
1375static QTranslator *qtTranslator; // Qt library translator
1376    if (qtTranslator) {
1377        qApp->removeTranslator(qtTranslator);
1378        delete qtTranslator;
1379        qtTranslator = NULL;
1380    }
1381static QTranslator *translator; // Application translator
1382    if (translator) {
1383        qApp->removeTranslator(translator);
1384        delete translator;
1385        translator = NULL;
1386    }
1387
1388    if (lng == "en")
1389        return true;
1390
1391    // Trying to load system Qt library translation...
1392    qtTranslator = new QTranslator(this);
1393    if (qtTranslator->load("qt_" + lng, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
1394        qApp->installTranslator(qtTranslator);
1395    else {
1396        // No luck. Let's try to load a bundled one.
1397        if (qtTranslator->load("qt_" + lng, PATH_L10N)) {
1398            // We have a translation in the localization direcotry.
1399            qApp->installTranslator(qtTranslator);
1400        } else if (qtTranslator->load("qt_" + lng, ":/l10n")) {
1401            // We have a translation "built-in" into application resources.
1402            qApp->installTranslator(qtTranslator);
1403        } else {
1404            // Qt library translation unavailable for this language.
1405            delete qtTranslator;
1406            qtTranslator = NULL;
1407        }
1408    }
1409
1410    // Now let's load application translation.
1411    translator = new QTranslator(this);
1412    if (translator->load("tspsg_" + lng, PATH_L10N)) {
1413        // We have a translation in the localization directory.
1414        qApp->installTranslator(translator);
1415    } else if (translator->load("tspsg_" + lng, ":/l10n")) {
1416        // We have a translation "built-in" into application resources.
1417        qApp->installTranslator(translator);
1418    } else {
1419        delete translator;
1420        translator = NULL;
1421        if (!ad) {
1422            settings->remove("Language");
1423            QApplication::setOverrideCursor(QCursor(Qt::ArrowCursor));
1424            QMessageBox::warning(isVisible() ? this : NULL, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
1425            QApplication::restoreOverrideCursor();
1426        }
1427        return false;
1428    }
1429    return true;
1430}
1431
1432void MainWindow::loadStyleList()
1433{
1434    menuSettingsStyle->clear();
1435QStringList styles = QStyleFactory::keys();
1436    menuSettingsStyle->insertAction(NULL, actionSettingsStyleSystem);
1437    actionSettingsStyleSystem->setChecked(!settings->contains("Style"));
1438    menuSettingsStyle->addSeparator();
1439QAction *a;
1440    foreach (QString style, styles) {
1441        a = menuSettingsStyle->addAction(style);
1442        a->setData(false);
1443#ifndef QT_NO_STATUSTIP
1444        a->setStatusTip(tr("Set application style to %1").arg(style));
1445#endif
1446        a->setCheckable(true);
1447        a->setActionGroup(groupSettingsStyleList);
1448        if ((style == settings->value("Stlye").toString())
1449#ifndef Q_WS_MAEMO_5
1450            || QString(QApplication::style()->metaObject()->className()).contains(QRegExp(QString("^Q?%1(Style)?$").arg(QRegExp::escape(style)), Qt::CaseInsensitive))
1451#endif
1452        ) {
1453            a->setChecked(true);
1454        }
1455    }
1456}
1457
1458void MainWindow::loadToolbarList()
1459{
1460    menuSettingsToolbars->clear();
1461#ifndef HANDHELD
1462    menuSettingsToolbars->insertAction(NULL, actionSettingsToolbarsConfigure);
1463    menuSettingsToolbars->addSeparator();
1464QList<QToolBar *> list = toolBarManager->toolBars();
1465    foreach (QToolBar *t, list) {
1466        menuSettingsToolbars->insertAction(NULL, t->toggleViewAction());
1467    }
1468#else // HANDHELD
1469    menuSettingsToolbars->insertAction(NULL, toolBarMain->toggleViewAction());
1470#endif // HANDHELD
1471}
1472
1473bool MainWindow::maybeSave()
1474{
1475    if (!isWindowModified())
1476        return true;
1477#ifdef Q_WS_S60
1478    int res = QSMessageBox(this).exec();
1479#else
1480    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);
1481#endif
1482    if (res == QMessageBox::Save)
1483        return actionFileSaveTriggered();
1484    else if (res == QMessageBox::Cancel)
1485        return false;
1486    else
1487        return true;
1488}
1489
1490void MainWindow::outputMatrix(QTextCursor &cur, const TMatrix &matrix)
1491{
1492int n = spinCities->value();
1493QTextTable *table = cur.insertTable(n, n, fmt_table);
1494
1495    for (int r = 0; r < n; r++) {
1496        for (int c = 0; c < n; c++) {
1497            cur = table->cellAt(r, c).firstCursorPosition();
1498            cur.setBlockFormat(fmt_cell);
1499            cur.setBlockCharFormat(fmt_default);
1500            if (matrix.at(r).at(c) == INFINITY)
1501                cur.insertText(INFSTR);
1502            else
1503                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()));
1504        }
1505        QCoreApplication::processEvents();
1506    }
1507    cur.movePosition(QTextCursor::End);
1508}
1509
1510void MainWindow::outputMatrix(QTextCursor &cur, const SStep &step)
1511{
1512int n = spinCities->value();
1513QTextTable *table = cur.insertTable(n, n, fmt_table);
1514
1515    for (int r = 0; r < n; r++) {
1516        for (int c = 0; c < n; c++) {
1517            cur = table->cellAt(r, c).firstCursorPosition();
1518            cur.setBlockFormat(fmt_cell);
1519            if (step.matrix.at(r).at(c) == INFINITY)
1520                cur.insertText(INFSTR, fmt_default);
1521            else if ((r == step.candidate.nRow) && (c == step.candidate.nCol))
1522                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);
1523            else {
1524SStep::SCandidate cand;
1525                cand.nRow = r;
1526                cand.nCol = c;
1527                if (step.alts.contains(cand))
1528                    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);
1529                else
1530                    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);
1531            }
1532        }
1533        QCoreApplication::processEvents();
1534    }
1535
1536    cur.movePosition(QTextCursor::End);
1537}
1538
1539void MainWindow::retranslateUi(bool all)
1540{
1541    if (all)
1542        Ui_MainWindow::retranslateUi(this);
1543
1544    loadStyleList();
1545    loadToolbarList();
1546
1547#ifndef QT_NO_PRINTER
1548    actionFilePrintPreview->setText(tr("P&rint Preview..."));
1549#ifndef QT_NO_TOOLTIP
1550    actionFilePrintPreview->setToolTip(tr("Preview solution results"));
1551#endif // QT_NO_TOOLTIP
1552#ifndef QT_NO_STATUSTIP
1553    actionFilePrintPreview->setStatusTip(tr("Preview current solution results before printing"));
1554#endif // QT_NO_STATUSTIP
1555
1556    actionFilePageSetup->setText(tr("Pa&ge Setup..."));
1557#ifndef QT_NO_TOOLTIP
1558    actionFilePageSetup->setToolTip(tr("Setup print options"));
1559#endif // QT_NO_TOOLTIP
1560#ifndef QT_NO_STATUSTIP
1561    actionFilePageSetup->setStatusTip(tr("Setup page-related options for printing"));
1562#endif // QT_NO_STATUSTIP
1563
1564    actionFilePrint->setText(tr("&Print..."));
1565#ifndef QT_NO_TOOLTIP
1566    actionFilePrint->setToolTip(tr("Print solution"));
1567#endif // QT_NO_TOOLTIP
1568#ifndef QT_NO_STATUSTIP
1569    actionFilePrint->setStatusTip(tr("Print current solution results"));
1570#endif // QT_NO_STATUSTIP
1571    actionFilePrint->setShortcut(tr("Ctrl+P"));
1572#endif // QT_NO_PRINTER
1573
1574#ifndef QT_NO_STATUSTIP
1575    actionFileExit->setStatusTip(tr("Exit %1").arg(QCoreApplication::applicationName()));
1576#endif // QT_NO_STATUSTIP
1577
1578#ifndef HANDHELD
1579    actionSettingsToolbarsConfigure->setText(tr("Configure..."));
1580#ifndef QT_NO_STATUSTIP
1581    actionSettingsToolbarsConfigure->setStatusTip(tr("Customize toolbars"));
1582#endif // QT_NO_STATUSTIP
1583#endif // HANDHELD
1584
1585#ifndef QT_NO_STATUSTIP
1586    actionHelpReportBug->setStatusTip(tr("Report about a bug in %1").arg(QCoreApplication::applicationName()));
1587#endif // QT_NO_STATUSTIP
1588    if (actionHelpCheck4Updates != NULL) {
1589        actionHelpCheck4Updates->setText(tr("Check for &Updates..."));
1590#ifndef QT_NO_STATUSTIP
1591        actionHelpCheck4Updates->setStatusTip(tr("Check for %1 updates").arg(QCoreApplication::applicationName()));
1592#endif // QT_NO_STATUSTIP
1593    }
1594#ifndef QT_NO_STATUSTIP
1595    actionHelpAbout->setStatusTip(tr("About %1").arg(QCoreApplication::applicationName()));
1596#endif // QT_NO_STATUSTIP
1597
1598#ifdef Q_WS_S60
1599    actionRightSoftKey->setText(tr("E&xit"));
1600#endif
1601}
1602
1603bool MainWindow::saveTask() {
1604QStringList filters(tr("%1 Task File").arg("TSPSG") + " (*.tspt)");
1605    filters.append(tr("All Files") + " (*)");
1606QString file;
1607    if ((fileName == tr("Untitled") + ".tspt") && settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool()) {
1608        file = settings->value(OS"/LastUsed/TaskSavePath").toString();
1609        if (!file.isEmpty())
1610            file.append("/");
1611        file.append(fileName);
1612    } else if (fileName.endsWith(".tspt", Qt::CaseInsensitive))
1613        file = fileName;
1614    else
1615        file = QFileInfo(fileName).path() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt";
1616
1617QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
1618    file = QFileDialog::getSaveFileName(this, tr("Task Save"), file, filters.join(";;"), NULL, opts);
1619    if (file.isEmpty())
1620        return false;
1621    else if (settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool())
1622        settings->setValue(OS"/LastUsed/TaskSavePath", QFileInfo(file).path());
1623    if (QFileInfo(file).suffix().isEmpty()) {
1624        file.append(".tspt");
1625    }
1626
1627    if (tspmodel->saveTask(file)) {
1628        setFileName(file);
1629        setWindowModified(false);
1630        return true;
1631    }
1632    return false;
1633}
1634
1635void MainWindow::setFileName(const QString &fileName)
1636{
1637    this->fileName = fileName;
1638    setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(QCoreApplication::applicationName()));
1639}
1640
1641void MainWindow::setupUi()
1642{
1643    Ui_MainWindow::setupUi(this);
1644
1645    // File Menu
1646    actionFileNew->setIcon(GET_ICON("document-new"));
1647    actionFileOpen->setIcon(GET_ICON("document-open"));
1648    actionFileSave->setIcon(GET_ICON("document-save"));
1649#ifndef HANDHELD
1650    menuFileSaveAs->setIcon(GET_ICON("document-save-as"));
1651#endif
1652    actionFileExit->setIcon(GET_ICON("application-exit"));
1653    // Settings Menu
1654#ifndef HANDHELD
1655    menuSettingsLanguage->setIcon(GET_ICON("preferences-desktop-locale"));
1656#if QT_VERSION >= 0x040600
1657    actionSettingsLanguageEnglish->setIcon(QIcon::fromTheme("flag-gb", QIcon(":/images/icons/l10n/flag-gb.png")));
1658#else // QT_VERSION >= 0x040600
1659    actionSettingsLanguageEnglish->setIcon(QIcon(":/images/icons/l10n/flag-gb.png"));
1660#endif // QT_VERSION >= 0x040600
1661    menuSettingsStyle->setIcon(GET_ICON("preferences-desktop-theme"));
1662#endif // HANDHELD
1663    actionSettingsPreferences->setIcon(GET_ICON("preferences-system"));
1664    // Help Menu
1665#ifndef HANDHELD
1666    actionHelpContents->setIcon(GET_ICON("help-contents"));
1667    actionHelpContextual->setIcon(GET_ICON("help-contextual"));
1668    actionHelpOnlineSupport->setIcon(GET_ICON("applications-internet"));
1669    actionHelpReportBug->setIcon(GET_ICON("tools-report-bug"));
1670    actionHelpAbout->setIcon(GET_ICON("help-about"));
1671    actionHelpAboutQt->setIcon(QIcon(":/trolltech/qmessagebox/images/qtlogo-64.png"));
1672#endif
1673    // Buttons
1674    buttonRandom->setIcon(GET_ICON("roll"));
1675    buttonSolve->setIcon(GET_ICON("dialog-ok"));
1676    buttonSaveSolution->setIcon(GET_ICON("document-save-as"));
1677    buttonBackToTask->setIcon(GET_ICON("go-previous"));
1678
1679//      action->setIcon(GET_ICON(""));
1680
1681#if QT_VERSION >= 0x040600
1682    setToolButtonStyle(Qt::ToolButtonFollowStyle);
1683#endif
1684
1685#ifndef HANDHELD
1686QStatusBar *statusbar = new QStatusBar(this);
1687    statusbar->setObjectName("statusbar");
1688    setStatusBar(statusbar);
1689#endif // HANDHELD
1690
1691#ifdef Q_WS_WINCE_WM
1692    menuBar()->setDefaultAction(menuFile->menuAction());
1693
1694QScrollArea *scrollArea = new QScrollArea(this);
1695    scrollArea->setFrameShape(QFrame::NoFrame);
1696    scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
1697    scrollArea->setWidgetResizable(true);
1698    scrollArea->setWidget(tabWidget);
1699    setCentralWidget(scrollArea);
1700#else
1701    setCentralWidget(tabWidget);
1702#endif // Q_WS_WINCE_WM
1703
1704    //! \hack HACK: A little hack for toolbar icons to have a sane size.
1705#if defined(HANDHELD) && !defined(Q_WS_MAEMO_5)
1706#ifdef Q_WS_S60
1707    toolBarMain->setIconSize(QSize(logicalDpiX() / 5.2, logicalDpiY() / 5.2));
1708#else
1709    toolBarMain->setIconSize(QSize(logicalDpiX() / 4, logicalDpiY() / 4));
1710#endif // Q_WS_S60
1711#endif // HANDHELD && !Q_WS_MAEMO_5
1712QToolButton *tb = static_cast<QToolButton *>(toolBarMain->widgetForAction(actionFileSave));
1713    if (tb != NULL) {
1714        tb->setMenu(menuFileSaveAs);
1715        tb->setPopupMode(QToolButton::MenuButtonPopup);
1716    }
1717
1718//      solutionText->document()->setDefaultFont(settings->value("Output/Font", QFont(DEF_FONT_FAMILY, DEF_FONT_SIZE)).value<QFont>());
1719    solutionText->setWordWrapMode(QTextOption::WordWrap);
1720
1721#ifndef QT_NO_PRINTER
1722    actionFilePrintPreview = new QAction(this);
1723    actionFilePrintPreview->setObjectName("actionFilePrintPreview");
1724    actionFilePrintPreview->setEnabled(false);
1725    actionFilePrintPreview->setIcon(GET_ICON("document-print-preview"));
1726
1727    actionFilePageSetup = new QAction(this);
1728    actionFilePageSetup->setObjectName("actionFilePrintSetup");
1729//    actionFilePageSetup->setEnabled(false);
1730#if QT_VERSION >= 0x040600
1731    actionFilePageSetup->setIcon(QIcon::fromTheme("document-page-setup", QIcon(":/trolltech/dialogs/qprintpreviewdialog/images/page-setup-32.png")));
1732#else
1733    actionFilePageSetup->setIcon(QIcon(":/trolltech/dialogs/qprintpreviewdialog/images/page-setup-32.png"));
1734#endif
1735
1736    actionFilePrint = new QAction(this);
1737    actionFilePrint->setObjectName("actionFilePrint");
1738    actionFilePrint->setEnabled(false);
1739    actionFilePrint->setIcon(GET_ICON("document-print"));
1740
1741    menuFile->insertAction(actionFileExit, actionFilePrintPreview);
1742    menuFile->insertAction(actionFileExit, actionFilePageSetup);
1743    menuFile->insertAction(actionFileExit, actionFilePrint);
1744    menuFile->insertSeparator(actionFileExit);
1745
1746    toolBarMain->insertAction(actionSettingsPreferences, actionFilePrint);
1747#endif // QT_NO_PRINTER
1748
1749    groupSettingsLanguageList = new QActionGroup(this);
1750#ifdef Q_WS_MAEMO_5
1751    groupSettingsLanguageList->addAction(actionSettingsLanguageAutodetect);
1752#endif
1753    actionSettingsLanguageEnglish->setData("en");
1754    actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
1755    loadLangList();
1756    actionSettingsLanguageAutodetect->setChecked(settings->value("Language", "").toString().isEmpty());
1757
1758    actionSettingsStyleSystem->setData(true);
1759    groupSettingsStyleList = new QActionGroup(this);
1760#ifdef Q_WS_MAEMO_5
1761    groupSettingsStyleList->addAction(actionSettingsStyleSystem);
1762#endif
1763
1764#ifndef HANDHELD
1765    actionSettingsToolbarsConfigure = new QAction(this);
1766    actionSettingsToolbarsConfigure->setIcon(GET_ICON("configure-toolbars"));
1767#endif // HANDHELD
1768
1769    if (hasUpdater()) {
1770        actionHelpCheck4Updates = new QAction(this);
1771        actionHelpCheck4Updates->setIcon(GET_ICON("system-software-update"));
1772        actionHelpCheck4Updates->setEnabled(hasUpdater());
1773        menuHelp->insertAction(actionHelpAboutQt, actionHelpCheck4Updates);
1774        menuHelp->insertSeparator(actionHelpAboutQt);
1775    } else
1776        actionHelpCheck4Updates = NULL;
1777
1778    spinCities->setMaximum(MAX_NUM_CITIES);
1779
1780#ifndef HANDHELD
1781    toolBarManager = new QtToolBarManager(this);
1782    toolBarManager->setMainWindow(this);
1783QString cat = toolBarMain->windowTitle();
1784    toolBarManager->addToolBar(toolBarMain, cat);
1785#ifndef QT_NO_PRINTER
1786    toolBarManager->addAction(actionFilePrintPreview, cat);
1787    toolBarManager->addAction(actionFilePageSetup, cat);
1788#endif // QT_NO_PRINTER
1789    toolBarManager->addAction(actionHelpContents, cat);
1790    toolBarManager->addAction(actionHelpContextual, cat);
1791    toolBarManager->restoreState(settings->value("MainWindow/Toolbars").toByteArray());
1792#else
1793    toolBarMain->setVisible(settings->value("MainWindow/ToolbarVisible", true).toBool());
1794#endif // HANDHELD
1795
1796#ifdef Q_WS_S60
1797    // Replace Exit on the right soft key with our own exit action.
1798    // This makes it translatable.
1799    actionRightSoftKey = new QAction(this);
1800    actionRightSoftKey->setSoftKeyRole(QAction::NegativeSoftKey);
1801    connect(actionRightSoftKey, SIGNAL(triggered()), SLOT(close()));
1802    addAction(actionRightSoftKey);
1803#endif
1804
1805    retranslateUi(false);
1806
1807#ifndef HANDHELD
1808    // Adding some eyecandy
1809    if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool())  {
1810        toggleTranclucency(true);
1811    }
1812#endif // HANDHELD
1813}
1814
1815void MainWindow::toggleSolutionActions(bool enable)
1816{
1817    buttonSaveSolution->setEnabled(enable);
1818    actionFileSaveAsSolution->setEnabled(enable);
1819    solutionText->setEnabled(enable);
1820#ifndef QT_NO_PRINTER
1821    actionFilePrint->setEnabled(enable);
1822    actionFilePrintPreview->setEnabled(enable);
1823#endif // QT_NO_PRINTER
1824}
1825
1826void MainWindow::toggleTranclucency(bool enable)
1827{
1828#ifndef HANDHELD
1829    toggleStyle(labelVariant, enable);
1830    toggleStyle(labelCities, enable);
1831    toggleStyle(statusBar(), enable);
1832    tabWidget->setDocumentMode(enable);
1833    QtWin::enableBlurBehindWindow(this, enable);
1834#else
1835    Q_UNUSED(enable);
1836#endif // HANDHELD
1837}
1838
1839void MainWindow::actionHelpOnlineSupportTriggered()
1840{
1841    QDesktopServices::openUrl(QUrl("http://tspsg.info/goto/support"));
1842}
1843
1844void MainWindow::actionHelpReportBugTriggered()
1845{
1846    QDesktopServices::openUrl(QUrl("http://tspsg.info/goto/bugtracker"));
1847}
1848
1849#ifdef Q_WS_S60
1850QSMessageBox::QSMessageBox(QWidget *parent)
1851    : QMessageBox(parent)
1852{
1853    setIcon(QMessageBox::Warning);
1854    setWindowTitle(QApplication::translate("MainWindow", "Unsaved Changes"));
1855    setText(QApplication::translate("MainWindow", "Would you like to save changes in the current task?"));
1856    setStandardButtons(QMessageBox::Save);
1857
1858    QMenu *m = new QMenu(this);
1859    m->addAction(QApplication::translate("QDialogButtonBox", "Discard", "No need to translate this. The translation will be taken from Qt translation files."),
1860                 this, SLOT(discard()));
1861    m->addAction(QApplication::translate("QDialogButtonBox", "Cancel", "No need to translate this. The translation will be taken from Qt translation files."),
1862                 this, SLOT(cancel()));
1863
1864    QAction *o = new QAction(QApplication::translate("QtToolBarDialog", "Actions"), this);
1865    o->setSoftKeyRole(QAction::NegativeSoftKey);
1866    o->setMenu(m);
1867    addAction(o);
1868}
1869
1870void QSMessageBox::cancel(){
1871    done(QMessageBox::Cancel);
1872}
1873
1874void QSMessageBox::discard() {
1875    done(QMessageBox::Discard);
1876}
1877#endif // Q_WS_S60
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