source: tspsg-svn/trunk/src/mainwindow.cpp @ 151

Last change on this file since 151 was 151, checked in by laleppa, 14 years ago

Changed 2010 to 2011 in the source code copyrights.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id URL
File size: 63.8 KB
Line 
1/*
2 *  TSPSG: TSP Solver and Generator
3 *  Copyright (C) 2007-2011 Lёppa <contacts[at]oleksii[dot]name>
4 *
5 *  $Id: mainwindow.cpp 151 2011-01-19 22:27:49Z laleppa $
6 *  $URL: https://tspsg.svn.sourceforge.net/svnroot/tspsg/trunk/src/mainwindow.cpp $
7 *
8 *  This file is part of TSPSG.
9 *
10 *  TSPSG is free software: you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License as published by
12 *  the Free Software Foundation, either version 3 of the License, or
13 *  (at your option) any later version.
14 *
15 *  TSPSG is distributed in the hope that it will be useful,
16 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
17 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 *  GNU General Public License for more details.
19 *
20 *  You should have received a copy of the GNU General Public License
21 *  along with TSPSG.  If not, see <http://www.gnu.org/licenses/>.
22 */
23
24#include "mainwindow.h"
25
26#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#endif // QT_NO_PRINTER
64
65#ifdef Q_WS_WINCE_WM
66    currentGeometry = QApplication::desktop()->availableGeometry(0);
67    // We need to react to SIP show/hide and resize the window appropriately
68    connect(QApplication::desktop(), SIGNAL(workAreaResized(int)), SLOT(desktopResized(int)));
69#endif // Q_WS_WINCE_WM
70    connect(actionFileNew, SIGNAL(triggered()), SLOT(actionFileNewTriggered()));
71    connect(actionFileOpen, SIGNAL(triggered()), SLOT(actionFileOpenTriggered()));
72    connect(actionFileSave, SIGNAL(triggered()), SLOT(actionFileSaveTriggered()));
73    connect(actionFileSaveAsTask, SIGNAL(triggered()), SLOT(actionFileSaveAsTaskTriggered()));
74    connect(actionFileSaveAsSolution, SIGNAL(triggered()), SLOT(actionFileSaveAsSolutionTriggered()));
75#ifndef QT_NO_PRINTER
76    connect(actionFilePrintPreview, SIGNAL(triggered()), SLOT(actionFilePrintPreviewTriggered()));
77    connect(actionFilePrint, SIGNAL(triggered()), SLOT(actionFilePrintTriggered()));
78#endif // QT_NO_PRINTER
79#ifndef HANDHELD
80    connect(actionSettingsToolbarsConfigure, SIGNAL(triggered()), SLOT(actionSettingsToolbarsConfigureTriggered()));
81#endif // HANDHELD
82    connect(actionSettingsPreferences, SIGNAL(triggered()), SLOT(actionSettingsPreferencesTriggered()));
83    if (actionHelpCheck4Updates != NULL)
84        connect(actionHelpCheck4Updates, SIGNAL(triggered()), SLOT(actionHelpCheck4UpdatesTriggered()));
85    connect(actionSettingsLanguageAutodetect, SIGNAL(triggered(bool)), SLOT(actionSettingsLanguageAutodetectTriggered(bool)));
86    connect(groupSettingsLanguageList, SIGNAL(triggered(QAction *)), SLOT(groupSettingsLanguageListTriggered(QAction *)));
87    connect(actionSettingsStyleSystem, SIGNAL(triggered(bool)), SLOT(actionSettingsStyleSystemTriggered(bool)));
88    connect(groupSettingsStyleList, SIGNAL(triggered(QAction*)), SLOT(groupSettingsStyleListTriggered(QAction*)));
89    connect(actionHelpOnlineSupport, SIGNAL(triggered()), SLOT(actionHelpOnlineSupportTriggered()));
90    connect(actionHelpReportBug, SIGNAL(triggered()), SLOT(actionHelpReportBugTriggered()));
91    connect(actionHelpAboutQt, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
92    connect(actionHelpAbout, SIGNAL(triggered()), SLOT(actionHelpAboutTriggered()));
93
94    connect(buttonSolve, SIGNAL(clicked()), SLOT(buttonSolveClicked()));
95    connect(buttonRandom, SIGNAL(clicked()), SLOT(buttonRandomClicked()));
96    connect(buttonBackToTask, SIGNAL(clicked()), SLOT(buttonBackToTaskClicked()));
97    connect(spinCities, SIGNAL(valueChanged(int)), SLOT(spinCitiesValueChanged(int)));
98
99#ifndef HANDHELD
100    // Centering main window
101QRect rect = geometry();
102    rect.moveCenter(QApplication::desktop()->availableGeometry(this).center());
103    setGeometry(rect);
104    if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
105        // Loading of saved window state
106        settings->beginGroup("MainWindow");
107        restoreGeometry(settings->value("Geometry").toByteArray());
108        restoreState(settings->value("State").toByteArray());
109        settings->endGroup();
110    }
111#endif // HANDHELD
112
113    tspmodel = new CTSPModel(this);
114    taskView->setModel(tspmodel);
115    connect(tspmodel, SIGNAL(numCitiesChanged(int)), SLOT(numCitiesChanged(int)));
116    connect(tspmodel, SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)), SLOT(dataChanged(const QModelIndex &, const QModelIndex &)));
117    connect(tspmodel, SIGNAL(layoutChanged()), SLOT(dataChanged()));
118    if ((QCoreApplication::arguments().count() > 1) && (tspmodel->loadTask(QCoreApplication::arguments().at(1))))
119        setFileName(QCoreApplication::arguments().at(1));
120    else {
121        setFileName();
122        spinCities->setValue(settings->value("NumCities",DEF_NUM_CITIES).toInt());
123        spinCitiesValueChanged(spinCities->value());
124    }
125    setWindowModified(false);
126
127    if (actionHelpCheck4Updates != NULL) {
128        if (!settings->contains("Check4Updates/Enabled")) {
129            QApplication::setOverrideCursor(QCursor(Qt::ArrowCursor));
130            settings->setValue("Check4Updates/Enabled",
131                QMessageBox::question(this, QCoreApplication::applicationName(),
132                    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()),
133                    QMessageBox::Yes | QMessageBox::No
134                ) == QMessageBox::Yes
135            );
136            QApplication::restoreOverrideCursor();
137        }
138        if ((settings->value("Check4Updates/Enabled", DEF_CHECK_FOR_UPDATES).toBool())
139            && (QDate(qvariant_cast<QDate>(settings->value("Check4Updates/LastAttempt"))).daysTo(QDate::currentDate()) >= settings->value("Check4Updates/Interval", DEF_UPDATE_CHECK_INTERVAL).toInt())) {
140            check4Updates(true);
141        }
142    }
143}
144
145MainWindow::~MainWindow()
146{
147#ifndef QT_NO_PRINTER
148    delete printer;
149#endif
150}
151
152/* Privates **********************************************************/
153
154void MainWindow::actionFileNewTriggered()
155{
156    if (!maybeSave())
157        return;
158    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
159    tspmodel->clear();
160    setFileName();
161    setWindowModified(false);
162    tabWidget->setCurrentIndex(0);
163    solutionText->clear();
164    toggleSolutionActions(false);
165    QApplication::restoreOverrideCursor();
166}
167
168void MainWindow::actionFileOpenTriggered()
169{
170    if (!maybeSave())
171        return;
172
173QStringList filters(tr("All Supported Formats") + " (*.tspt *.zkt)");
174    filters.append(tr("%1 Task Files").arg("TSPSG") + " (*.tspt)");
175    filters.append(tr("%1 Task Files").arg("ZKomModRd") + " (*.zkt)");
176    filters.append(tr("All Files") + " (*)");
177
178QString file;
179    if ((fileName == tr("Untitled") + ".tspt") && settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool())
180        file = settings->value(OS"/LastUsed/TaskLoadPath").toString();
181    else
182        file = QFileInfo(fileName).path();
183QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
184    file = QFileDialog::getOpenFileName(this, tr("Task Load"), file, filters.join(";;"), NULL, opts);
185    if (file.isEmpty() || !QFileInfo(file).isFile())
186        return;
187    if (settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool())
188        settings->setValue(OS"/LastUsed/TaskLoadPath", QFileInfo(file).path());
189
190    if (!tspmodel->loadTask(file))
191        return;
192    setFileName(file);
193    tabWidget->setCurrentIndex(0);
194    setWindowModified(false);
195    solutionText->clear();
196    toggleSolutionActions(false);
197}
198
199bool MainWindow::actionFileSaveTriggered()
200{
201    if ((fileName == tr("Untitled") + ".tspt") || !fileName.endsWith(".tspt", Qt::CaseInsensitive))
202        return saveTask();
203    else
204        if (tspmodel->saveTask(fileName)) {
205            setWindowModified(false);
206            return true;
207        } else
208            return false;
209}
210
211void MainWindow::actionFileSaveAsTaskTriggered()
212{
213    saveTask();
214}
215
216void MainWindow::actionFileSaveAsSolutionTriggered()
217{
218static QString selectedFile;
219    if (selectedFile.isEmpty()) {
220        if (settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool()) {
221            selectedFile = settings->value(OS"/LastUsed/SolutionSavePath").toString();
222        }
223    } else
224        selectedFile = QFileInfo(selectedFile).path();
225    if (!selectedFile.isEmpty())
226        selectedFile.append("/");
227    if (fileName == tr("Untitled") + ".tspt") {
228#ifndef QT_NO_PRINTER
229        selectedFile += "solution.pdf";
230#else
231        selectedFile += "solution.html";
232#endif // QT_NO_PRINTER
233    } else {
234#ifndef QT_NO_PRINTER
235        selectedFile += QFileInfo(fileName).completeBaseName() + ".pdf";
236#else
237        selectedFile += QFileInfo(fileName).completeBaseName() + ".html";
238#endif // QT_NO_PRINTER
239    }
240
241QStringList filters;
242#ifndef QT_NO_PRINTER
243    filters.append(tr("PDF Files") + " (*.pdf)");
244#endif
245    filters.append(tr("HTML Files") + " (*.html *.htm)");
246    filters.append(tr("OpenDocument Files") + " (*.odt)");
247    filters.append(tr("All Files") + " (*)");
248
249QFileDialog::Options opts(settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog);
250QString file = QFileDialog::getSaveFileName(this, QString(), selectedFile, filters.join(";;"), NULL, opts);
251    if (file.isEmpty())
252        return;
253    selectedFile = file;
254    if (settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool())
255        settings->setValue(OS"/LastUsed/SolutionSavePath", QFileInfo(selectedFile).path());
256    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
257#ifndef QT_NO_PRINTER
258    if (selectedFile.endsWith(".pdf",Qt::CaseInsensitive)) {
259QPrinter printer(QPrinter::HighResolution);
260        printer.setOutputFormat(QPrinter::PdfFormat);
261        printer.setOutputFileName(selectedFile);
262        solutionText->document()->print(&printer);
263        QApplication::restoreOverrideCursor();
264        return;
265    }
266#endif
267    if (selectedFile.endsWith(".htm", Qt::CaseInsensitive) || selectedFile.endsWith(".html", Qt::CaseInsensitive)) {
268QFile file(selectedFile);
269        if (!file.open(QFile::WriteOnly)) {
270            QApplication::restoreOverrideCursor();
271            QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution.\nError: %1").arg(file.errorString()));
272            return;
273        }
274QFileInfo fi(selectedFile);
275QString format = settings->value("Output/GraphImageFormat", DEF_GRAPH_IMAGE_FORMAT).toString();
276#if !defined(NOSVG)
277    if (!QImageWriter::supportedImageFormats().contains(format.toAscii()) && (format != "svg")) {
278#else // NOSVG
279    if (!QImageWriter::supportedImageFormats().contains(format.toAscii())) {
280#endif // NOSVG
281        format = DEF_GRAPH_IMAGE_FORMAT;
282        settings->remove("Output/GraphImageFormat");
283    }
284QString html = solutionText->document()->toHtml("UTF-8"),
285        img =  fi.completeBaseName() + "." + format;
286        html.replace(QRegExp("font-family:([^;]*);"), "font-family:\\1, 'DejaVu Sans Mono', 'Courier New', Courier, monospace;");
287        html.replace(QRegExp("<img\\s+src=\"tspsg://graph.pic\""), QString("<img src=\"%1\" alt=\"%2\"").arg(img, tr("Solution Graph")));
288
289        // Saving solution text as HTML
290QTextStream ts(&file);
291        ts.setCodec(QTextCodec::codecForName("UTF-8"));
292        ts << html;
293        file.close();
294
295        // Saving solution graph as SVG or PNG (depending on settings and SVG support)
296#if !defined(NOSVG)
297        if (format == "svg") {
298QSvgGenerator svg;
299            svg.setSize(QSize(graph.width() + 2, graph.height() + 2));
300            svg.setResolution(graph.logicalDpiX());
301            svg.setFileName(fi.path() + "/" + img);
302            svg.setTitle(tr("Solution Graph"));
303            svg.setDescription(tr("Generated with %1").arg(QCoreApplication::applicationName()));
304QPainter p;
305            p.begin(&svg);
306            p.drawPicture(1, 1, graph);
307            p.end();
308        } else {
309#endif // NOSVG
310QImage i(graph.width() + 2, graph.height() + 2, QImage::Format_ARGB32);
311            i.fill(0x00FFFFFF);
312QPainter p;
313            p.begin(&i);
314            p.drawPicture(1, 1, graph);
315            p.end();
316QImageWriter pic(fi.path() + "/" + img);
317            if (pic.supportsOption(QImageIOHandler::Description)) {
318                pic.setText("Title", "Solution Graph");
319                pic.setText("Software", QCoreApplication::applicationName());
320            }
321            if (format == "png")
322                pic.setQuality(5);
323            else if (format == "jpeg")
324                pic.setQuality(80);
325            if (!pic.write(i)) {
326                QApplication::restoreOverrideCursor();
327                QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution graph.\nError: %1").arg(pic.errorString()));
328                return;
329            }
330#if !defined(NOSVG)
331        }
332#endif // NOSVG
333    } else {
334QTextDocumentWriter dw(selectedFile);
335        if (!selectedFile.endsWith(".odt",Qt::CaseInsensitive))
336            dw.setFormat("plaintext");
337        if (!dw.write(solutionText->document()))
338            QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution.\nError: %1").arg(dw.device()->errorString()));
339    }
340    QApplication::restoreOverrideCursor();
341}
342
343#ifndef QT_NO_PRINTER
344void MainWindow::actionFilePrintPreviewTriggered()
345{
346QPrintPreviewDialog ppd(printer, this);
347    connect(&ppd,SIGNAL(paintRequested(QPrinter *)),SLOT(printPreview(QPrinter *)));
348    ppd.exec();
349}
350
351void MainWindow::actionFilePrintTriggered()
352{
353QPrintDialog pd(printer,this);
354    if (pd.exec() != QDialog::Accepted)
355        return;
356    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
357    solutionText->print(printer);
358    QApplication::restoreOverrideCursor();
359}
360#endif // QT_NO_PRINTER
361
362void MainWindow::actionSettingsPreferencesTriggered()
363{
364SettingsDialog sd(this);
365    if (sd.exec() != QDialog::Accepted)
366        return;
367    if (sd.colorChanged() || sd.fontChanged()) {
368        if (!solutionText->document()->isEmpty() && sd.colorChanged())
369            QMessageBox::information(this, tr("Settings Changed"), tr("You have changed color settings.\nThey will be applied to the next solution output."));
370        initDocStyleSheet();
371    }
372    if (sd.translucencyChanged() != 0)
373        toggleTranclucency(sd.translucencyChanged() == 1);
374}
375
376void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked)
377{
378    if (checked) {
379        settings->remove("Language");
380        QMessageBox::information(this, tr("Language change"), tr("Language will be autodetected on the next %1 start.").arg(QCoreApplication::applicationName()));
381    } else
382        settings->setValue("Language", groupSettingsLanguageList->checkedAction()->data().toString());
383}
384
385void MainWindow::groupSettingsLanguageListTriggered(QAction *action)
386{
387#ifndef Q_WS_MAEMO_5
388    if (actionSettingsLanguageAutodetect->isChecked())
389        actionSettingsLanguageAutodetect->trigger();
390#endif
391bool untitled = (fileName == tr("Untitled") + ".tspt");
392    if (loadLanguage(action->data().toString())) {
393        QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
394        settings->setValue("Language",action->data().toString());
395        retranslateUi();
396        if (untitled)
397            setFileName();
398#ifndef HANDHELD
399        if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool())  {
400            toggleStyle(labelVariant, true);
401            toggleStyle(labelCities, true);
402        }
403#endif
404        QApplication::restoreOverrideCursor();
405        if (!solutionText->document()->isEmpty())
406            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."));
407    }
408}
409
410void MainWindow::actionSettingsStyleSystemTriggered(bool checked)
411{
412    if (checked) {
413        settings->remove("Style");
414        QMessageBox::information(this, tr("Style Change"), tr("To apply the default style you need to restart %1.").arg(QCoreApplication::applicationName()));
415    } else {
416        settings->setValue("Style", groupSettingsStyleList->checkedAction()->text());
417    }
418}
419
420void MainWindow::groupSettingsStyleListTriggered(QAction *action)
421{
422QStyle *s = QStyleFactory::create(action->text());
423    if (s != NULL) {
424        QApplication::setStyle(s);
425        settings->setValue("Style", action->text());
426        actionSettingsStyleSystem->setChecked(false);
427    }
428}
429
430#ifndef HANDHELD
431void MainWindow::actionSettingsToolbarsConfigureTriggered()
432{
433QtToolBarDialog dlg(this);
434    dlg.setToolBarManager(toolBarManager);
435    dlg.exec();
436QToolButton *tb = static_cast<QToolButton *>(toolBarMain->widgetForAction(actionFileSave));
437    if (tb != NULL) {
438        tb->setMenu(menuFileSaveAs);
439        tb->setPopupMode(QToolButton::MenuButtonPopup);
440        tb->resize(tb->sizeHint());
441    }
442
443    loadToolbarList();
444}
445#endif // HANDHELD
446
447void MainWindow::actionHelpCheck4UpdatesTriggered()
448{
449    if (!hasUpdater()) {
450        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."));
451        return;
452    }
453
454    check4Updates();
455}
456
457void MainWindow::actionHelpAboutTriggered()
458{
459    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
460
461QString title;
462    title += QString("<b>%1</b><br>").arg(QCoreApplication::applicationName());
463    title += QString("%1: <b>%2</b><br>").arg(tr("Version"), QCoreApplication::applicationVersion());
464#ifndef HANDHELD
465    title += QString("<b>&copy; 2007-%1 <a href=\"http://%2/\">%3</a></b><br>").arg(QDate::currentDate().toString("yyyy"), QCoreApplication::organizationDomain(), QCoreApplication::organizationName());
466#endif // HANDHELD
467    title += QString("<b><a href=\"http://tspsg.info/\">http://tspsg.info/</a></b>");
468
469QString about;
470    about += QString("%1: <b>%2</b><br>").arg(tr("Target OS (ARCH)"), PLATFROM);
471#ifndef STATIC_BUILD
472    about += QString("%1 (%2):<br>").arg(tr("Qt library"), tr("shared"));
473    about += QString("&nbsp;&nbsp;&nbsp;&nbsp;%1: <b>%2</b><br>").arg(tr("Build time"), QT_VERSION_STR);
474    about += QString("&nbsp;&nbsp;&nbsp;&nbsp;%1: <b>%2</b><br>").arg(tr("Runtime"), qVersion());
475#else
476    about += QString("%1: <b>%2</b> (%3)<br>").arg(tr("Qt library"), QT_VERSION_STR, tr("static"));
477#endif // STATIC_BUILD
478    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>";
479    about += QString("%1: <b>%2</b><br>").arg(tr("Algorithm"), CTSPSolver::getVersionId());
480    about += "<br>";
481    about += tr("This program is free software: you can redistribute it and/or modify<br>\n"
482        "it under the terms of the GNU General Public License as published by<br>\n"
483        "the Free Software Foundation, either version 3 of the License, or<br>\n"
484        "(at your option) any later version.<br>\n"
485        "<br>\n"
486        "This program is distributed in the hope that it will be useful,<br>\n"
487        "but WITHOUT ANY WARRANTY; without even the implied warranty of<br>\n"
488        "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>\n"
489        "GNU General Public License for more details.<br>\n"
490        "<br>\n"
491        "You should have received a copy of the GNU General Public License<br>\n"
492        "along with TSPSG.  If not, see <a href=\"http://www.gnu.org/licenses/\">www.gnu.org/licenses/</a>.");
493
494QString credits;
495    credits += tr("%1 was created using <b>Qt&nbsp;framework</b> licensed "
496        "under the terms of the GNU Lesser General Public License,<br>\n"
497        "see <a href=\"http://qt.nokia.com/\">qt.nokia.com</a><br>\n"
498        "<br>\n"
499        "Most icons used in %1 are part of <b>Oxygen&nbsp;Icons</b> project "
500        "licensed according to the GNU Lesser General Public License,<br>\n"
501        "see <a href=\"http://www.oxygen-icons.org/\">www.oxygen-icons.org</a><br>\n"
502        "<br>\n"
503        "Country flag icons used in %1 are part of the free "
504        "<b>Flag&nbsp;Icons</b> collection created by <b>IconDrawer</b>,<br>\n"
505        "see <a href=\"http://www.icondrawer.com/\">www.icondrawer.com</a><br>\n"
506        "<br>\n"
507        "%1 comes with the default \"embedded\" font <b>DejaVu&nbsp;LGC&nbsp;Sans&nbsp;"
508        "Mono</b> from the <b>DejaVu fonts</b> licensed under a Free license</a>,<br>\n"
509        "see <a href=\"http://dejavu-fonts.org/\">dejavu-fonts.org</a>")
510            .arg("TSPSG");
511
512QFile f(":/files/COPYING");
513    f.open(QIODevice::ReadOnly);
514
515QString translation = QCoreApplication::translate("--------", "AUTHORS %1", "Please, provide translator credits here. %1 will be replaced with VERSION");
516    if ((translation != "AUTHORS %1") && (translation.contains("%1"))) {
517QString about = QCoreApplication::translate("--------", "VERSION", "Please, provide your translation version here.");
518        if (about != "VERSION")
519            translation = translation.arg(about);
520    }
521
522QDialog *dlg = new QDialog(this);
523QLabel *lblIcon = new QLabel(dlg),
524    *lblTitle = new QLabel(dlg);
525#ifdef HANDHELD
526QLabel *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);
527#endif // HANDHELD
528QTabWidget *tabs = new QTabWidget(dlg);
529QTextBrowser *txtAbout = new QTextBrowser(dlg);
530QTextBrowser *txtLicense = new QTextBrowser(dlg);
531QTextBrowser *txtCredits = new QTextBrowser(dlg);
532QVBoxLayout *vb = new QVBoxLayout();
533QHBoxLayout *hb1 = new QHBoxLayout(),
534    *hb2 = new QHBoxLayout();
535QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok, Qt::Horizontal, dlg);
536
537    lblTitle->setOpenExternalLinks(true);
538    lblTitle->setText(title);
539    lblTitle->setAlignment(Qt::AlignTop);
540    lblTitle->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
541#ifndef HANDHELD
542    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()));
543#endif // HANDHELD
544
545    lblIcon->setPixmap(QPixmap(":/images/tspsg.png").scaledToHeight(lblTitle->sizeHint().height(), Qt::SmoothTransformation));
546    lblIcon->setAlignment(Qt::AlignVCenter);
547#ifndef HANDHELD
548    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()));
549#endif // HANDHELD
550
551    hb1->addWidget(lblIcon);
552    hb1->addWidget(lblTitle);
553
554    txtAbout->setWordWrapMode(QTextOption::NoWrap);
555    txtAbout->setOpenExternalLinks(true);
556    txtAbout->setHtml(about);
557    txtAbout->moveCursor(QTextCursor::Start);
558    txtAbout->setFrameShape(QFrame::NoFrame);
559
560//      txtCredits->setWordWrapMode(QTextOption::NoWrap);
561    txtCredits->setOpenExternalLinks(true);
562    txtCredits->setHtml(credits);
563    txtCredits->moveCursor(QTextCursor::Start);
564    txtCredits->setFrameShape(QFrame::NoFrame);
565
566    txtLicense->setWordWrapMode(QTextOption::NoWrap);
567    txtLicense->setOpenExternalLinks(true);
568    txtLicense->setText(f.readAll());
569    txtLicense->moveCursor(QTextCursor::Start);
570    txtLicense->setFrameShape(QFrame::NoFrame);
571
572    bb->button(QDialogButtonBox::Ok)->setCursor(QCursor(Qt::PointingHandCursor));
573    bb->button(QDialogButtonBox::Ok)->setIcon(GET_ICON("dialog-ok"));
574
575    hb2->addWidget(bb);
576
577#ifdef Q_WS_WINCE_WM
578    vb->setMargin(3);
579#endif // Q_WS_WINCE_WM
580    vb->addLayout(hb1);
581#ifdef HANDHELD
582    vb->addWidget(lblSubTitle);
583#endif // HANDHELD
584
585    tabs->addTab(txtAbout, tr("About"));
586    tabs->addTab(txtLicense, tr("License"));
587    tabs->addTab(txtCredits, tr("Credits"));
588    if (translation != "AUTHORS %1") {
589QTextBrowser *txtTranslation = new QTextBrowser(dlg);
590//              txtTranslation->setWordWrapMode(QTextOption::NoWrap);
591        txtTranslation->setOpenExternalLinks(true);
592        txtTranslation->setText(translation);
593        txtTranslation->moveCursor(QTextCursor::Start);
594        txtTranslation->setFrameShape(QFrame::NoFrame);
595
596        tabs->addTab(txtTranslation, tr("Translation"));
597    }
598#ifndef HANDHELD
599    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()));
600#endif // HANDHELD
601
602    vb->addWidget(tabs);
603    vb->addLayout(hb2);
604
605    dlg->setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::WindowCloseButtonHint);
606    dlg->setWindowTitle(tr("About %1").arg(QCoreApplication::applicationName()));
607    dlg->setWindowIcon(GET_ICON("help-about"));
608    dlg->setLayout(vb);
609
610    connect(bb, SIGNAL(accepted()), dlg, SLOT(accept()));
611
612#ifndef HANDHELD
613    // Adding some eyecandy
614    if (QtWin::isCompositionEnabled())  {
615        QtWin::enableBlurBehindWindow(dlg, true);
616    }
617#endif // HANDHELD
618
619    dlg->resize(450, 350);
620    QApplication::restoreOverrideCursor();
621
622    dlg->exec();
623
624    delete dlg;
625}
626
627void MainWindow::buttonBackToTaskClicked()
628{
629    tabWidget->setCurrentIndex(0);
630}
631
632void MainWindow::buttonRandomClicked()
633{
634    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
635    tspmodel->randomize();
636    QApplication::restoreOverrideCursor();
637}
638
639void MainWindow::buttonSolveClicked()
640{
641TMatrix matrix;
642QList<double> row;
643int n = spinCities->value();
644bool ok;
645    for (int r = 0; r < n; r++) {
646        row.clear();
647        for (int c = 0; c < n; c++) {
648            row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok));
649            if (!ok) {
650                QMessageBox::critical(this, tr("Data error"), tr("Error in cell [Row %1; Column %2]: Invalid data format.").arg(r + 1).arg(c + 1));
651                return;
652            }
653        }
654        matrix.append(row);
655    }
656
657QProgressDialog pd(this);
658QProgressBar *pb = new QProgressBar(&pd);
659    pb->setAlignment(Qt::AlignCenter);
660    pb->setFormat(tr("%v of %1 parts found").arg(n));
661    pd.setBar(pb);
662QPushButton *cancel = new QPushButton(&pd);
663    cancel->setIcon(GET_ICON("dialog-cancel"));
664    cancel->setText(QCoreApplication::translate("QProgressDialog", "Cancel", "No need to translate this. This translation will be taken from Qt translation files."));
665    pd.setCancelButton(cancel);
666    pd.setMaximum(n);
667    pd.setAutoReset(false);
668    pd.setLabelText(tr("Calculating optimal route..."));
669    pd.setWindowTitle(tr("Solution Progress"));
670    pd.setWindowModality(Qt::ApplicationModal);
671    pd.setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint);
672    pd.show();
673
674#ifdef Q_WS_WIN32
675HRESULT hr = CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_ITaskbarList3, (LPVOID*)&tl);
676    if (SUCCEEDED(hr)) {
677        hr = tl->HrInit();
678        if (FAILED(hr)) {
679            tl->Release();
680            tl = NULL;
681        } else {
682//                      tl->SetProgressState(winId(), TBPF_INDETERMINATE);
683            tl->SetProgressValue(winId(), 0, n * 2);
684        }
685    }
686#endif
687
688CTSPSolver solver;
689    solver.setCleanupOnCancel(false);
690    connect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int)));
691    connect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel()));
692#ifdef Q_WS_WIN32
693    if (tl != NULL)
694        connect(&solver, SIGNAL(routePartFound(int)), SLOT(solverRoutePartFound(int)));
695#endif
696SStep *root = solver.solve(n, matrix);
697#ifdef Q_WS_WIN32
698    if (tl != NULL)
699        disconnect(&solver, SIGNAL(routePartFound(int)), this, SLOT(solverRoutePartFound(int)));
700#endif
701    disconnect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int)));
702    disconnect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel()));
703    if (!root) {
704        pd.reset();
705        if (!solver.wasCanceled()) {
706#ifdef Q_WS_WIN32
707            if (tl != NULL) {
708//                              tl->SetProgressValue(winId(), n, n * 2);
709                tl->SetProgressState(winId(), TBPF_ERROR);
710            }
711#endif
712            QApplication::alert(this);
713            QMessageBox::warning(this, tr("Solution Result"), tr("Unable to find a solution.\nMaybe, this task has no solution."));
714        }
715        pd.setLabelText(tr("Cleaning up..."));
716        pd.setMaximum(0);
717        pd.setCancelButton(NULL);
718        pd.show();
719#ifdef Q_WS_WIN32
720        if (tl != NULL)
721            tl->SetProgressState(winId(), TBPF_INDETERMINATE);
722#endif
723        QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
724
725#ifndef QT_NO_CONCURRENT
726QFuture<void> f = QtConcurrent::run(&solver, &CTSPSolver::cleanup, false);
727        while (!f.isFinished()) {
728            QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
729        }
730#else
731        solver.cleanup(true);
732#endif
733        pd.reset();
734#ifdef Q_WS_WIN32
735        if (tl != NULL) {
736            tl->SetProgressState(winId(), TBPF_NOPROGRESS);
737            tl->Release();
738            tl = NULL;
739        }
740#endif
741        return;
742    }
743    pb->setFormat(tr("Generating header"));
744    pd.setLabelText(tr("Generating solution output..."));
745    pd.setMaximum(solver.getTotalSteps() + 1);
746    pd.setValue(0);
747
748#ifdef Q_WS_WIN32
749    if (tl != NULL)
750        tl->SetProgressValue(winId(), spinCities->value(), spinCities->value() + solver.getTotalSteps() + 1);
751#endif
752
753    solutionText->clear();
754    solutionText->setDocumentTitle(tr("Solution of Variant #%1 Task").arg(spinVariant->value()));
755
756QPainter pic;
757    if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool()) {
758        pic.begin(&graph);
759        pic.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
760QFont font = qvariant_cast<QFont>(settings->value("Output/Font", QFont(DEF_FONT_FACE, 9)));
761        if (settings->value("Output/HQGraph", DEF_HQ_GRAPH).toBool()) {
762            font.setWeight(QFont::DemiBold);
763            font.setPointSizeF(font.pointSizeF() * 2);
764        }
765        pic.setFont(font);
766        pic.setBrush(QBrush(QColor(Qt::white)));
767        if (settings->value("Output/HQGraph", DEF_HQ_GRAPH).toBool()) {
768QPen pen = pic.pen();
769            pen.setWidth(2);
770            pic.setPen(pen);
771        }
772        pic.setBackgroundMode(Qt::OpaqueMode);
773    }
774
775QTextDocument *doc = solutionText->document();
776QTextCursor cur(doc);
777
778    cur.beginEditBlock();
779    cur.setBlockFormat(fmt_paragraph);
780    cur.insertText(tr("Variant #%1 Task").arg(spinVariant->value()), fmt_default);
781    cur.insertBlock(fmt_paragraph);
782    cur.insertText(tr("Task:"));
783    outputMatrix(cur, matrix);
784    if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool()) {
785#ifdef _T_T_L_
786        _b_ _i_ _z_ _a_ _r_ _r_ _e_
787#endif
788        drawNode(pic, 0);
789    }
790    cur.insertHtml("<hr>");
791    cur.insertBlock(fmt_paragraph);
792int imgpos = cur.position();
793    cur.insertText(tr("Variant #%1 Solution").arg(spinVariant->value()), fmt_default);
794    cur.endEditBlock();
795
796SStep *step = root;
797int c = n = 1;
798    pb->setFormat(tr("Generating step %v"));
799    while ((step->next != SStep::NoNextStep) && (c < spinCities->value())) {
800        if (pd.wasCanceled()) {
801            pd.setLabelText(tr("Cleaning up..."));
802            pd.setMaximum(0);
803            pd.setCancelButton(NULL);
804            pd.show();
805            QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
806#ifdef Q_WS_WIN32
807            if (tl != NULL)
808                tl->SetProgressState(winId(), TBPF_INDETERMINATE);
809#endif
810#ifndef QT_NO_CONCURRENT
811QFuture<void> f = QtConcurrent::run(&solver, &CTSPSolver::cleanup, false);
812            while (!f.isFinished()) {
813                QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
814            }
815#else
816            solver.cleanup(true);
817#endif
818            solutionText->clear();
819            toggleSolutionActions(false);
820#ifdef Q_WS_WIN32
821            if (tl != NULL) {
822                tl->SetProgressState(winId(), TBPF_NOPROGRESS);
823                tl->Release();
824                tl = NULL;
825            }
826#endif
827            return;
828        }
829        pd.setValue(n);
830#ifdef Q_WS_WIN32
831        if (tl != NULL)
832            tl->SetProgressValue(winId(), spinCities->value() + n, spinCities->value() + solver.getTotalSteps() + 1);
833#endif
834
835        cur.beginEditBlock();
836        cur.insertBlock(fmt_paragraph);
837        cur.insertText(tr("Step #%1").arg(n));
838        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())))) {
839            outputMatrix(cur, *step);
840        }
841        cur.insertBlock(fmt_paragraph);
842        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);
843        if (!step->alts.empty()) {
844            SStep::SCandidate cand;
845            QString alts;
846            foreach(cand, step->alts) {
847                if (!alts.isEmpty())
848                    alts += ", ";
849                alts += tr("(%1;%2)").arg(cand.nRow + 1).arg(cand.nCol + 1);
850            }
851            cur.insertBlock(fmt_paragraph);
852            cur.insertText(tr("%n alternate candidate(s) for branching: %1.", "", step->alts.count()).arg(alts), fmt_altlist);
853        }
854        cur.insertBlock(fmt_paragraph);
855        cur.insertText(" ", fmt_default);
856        cur.endEditBlock();
857
858        if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool()) {
859            if (step->prNode != NULL)
860                drawNode(pic, n, false, step->prNode);
861            if (step->plNode != NULL)
862                drawNode(pic, n, true, step->plNode);
863        }
864        n++;
865
866        if (step->next == SStep::RightBranch) {
867            c++;
868            step = step->prNode;
869        } else if (step->next == SStep::LeftBranch) {
870            step = step->plNode;
871        } else
872            break;
873    }
874    pb->setFormat(tr("Generating footer"));
875    pd.setValue(n);
876#ifdef Q_WS_WIN32
877    if (tl != NULL)
878        tl->SetProgressValue(winId(), spinCities->value() + n, spinCities->value() + solver.getTotalSteps() + 1);
879#endif
880
881    cur.beginEditBlock();
882    cur.insertBlock(fmt_paragraph);
883    if (solver.isOptimal())
884        cur.insertText(tr("Optimal path:"));
885    else
886        cur.insertText(tr("Resulting path:"));
887
888    cur.insertBlock(fmt_paragraph);
889    cur.insertText("  " + solver.getSortedPath(tr("City %1")));
890
891    cur.insertBlock(fmt_paragraph);
892    if (isInteger(step->price))
893        cur.insertHtml("<p>" + tr("The price is <b>%n</b> unit(s).", "", qRound(step->price)) + "</p>");
894    else
895        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>");
896    if (!solver.isOptimal()) {
897        cur.insertBlock(fmt_paragraph);
898        cur.insertText(" ");
899        cur.insertBlock(fmt_paragraph);
900        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>");
901    }
902    cur.endEditBlock();
903
904    if (settings->value("Output/ShowGraph", DEF_SHOW_GRAPH).toBool()) {
905        pic.end();
906
907QImage i(graph.width() + 2, graph.height() + 2, QImage::Format_RGB32);
908        i.fill(0xFFFFFF);
909        pic.begin(&i);
910        pic.drawPicture(1, 1, graph);
911        pic.end();
912        doc->addResource(QTextDocument::ImageResource, QUrl("tspsg://graph.pic"), i);
913
914QTextImageFormat img;
915        img.setName("tspsg://graph.pic");
916        if (settings->value("Output/HQGraph", DEF_HQ_GRAPH).toBool()) {
917            img.setWidth(i.width() / 2);
918            img.setHeight(i.height() / 2);
919        } else {
920            img.setWidth(i.width());
921            img.setHeight(i.height());
922        }
923
924        cur.setPosition(imgpos);
925        cur.insertImage(img, QTextFrameFormat::FloatRight);
926    }
927
928    if (settings->value("Output/ScrollToEnd", DEF_SCROLL_TO_END).toBool()) {
929        // Scrolling to the end of the text.
930        solutionText->moveCursor(QTextCursor::End);
931    } else
932        solutionText->moveCursor(QTextCursor::Start);
933
934    pd.setLabelText(tr("Cleaning up..."));
935    pd.setMaximum(0);
936    pd.setCancelButton(NULL);
937    QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
938#ifdef Q_WS_WIN32
939    if (tl != NULL)
940        tl->SetProgressState(winId(), TBPF_INDETERMINATE);
941#endif
942#ifndef QT_NO_CONCURRENT
943QFuture<void> f = QtConcurrent::run(&solver, &CTSPSolver::cleanup, false);
944    while (!f.isFinished()) {
945        QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
946    }
947#else
948    solver.cleanup(true);
949#endif
950    toggleSolutionActions();
951    tabWidget->setCurrentIndex(1);
952#ifdef Q_WS_WIN32
953    if (tl != NULL) {
954        tl->SetProgressState(winId(), TBPF_NOPROGRESS);
955        tl->Release();
956        tl = NULL;
957    }
958#endif
959
960    pd.reset();
961    QApplication::alert(this, 3000);
962}
963
964void MainWindow::dataChanged()
965{
966    setWindowModified(true);
967}
968
969void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br)
970{
971    setWindowModified(true);
972    if (settings->value("Autosize", DEF_AUTOSIZE).toBool()) {
973        for (int k = tl.row(); k <= br.row(); k++)
974            taskView->resizeRowToContents(k);
975        for (int k = tl.column(); k <= br.column(); k++)
976            taskView->resizeColumnToContents(k);
977    }
978}
979
980#ifdef Q_WS_WINCE_WM
981void MainWindow::changeEvent(QEvent *ev)
982{
983    if ((ev->type() == QEvent::ActivationChange) && isActiveWindow())
984        desktopResized(0);
985
986    QWidget::changeEvent(ev);
987}
988
989void MainWindow::desktopResized(int screen)
990{
991    if ((screen != 0) || !isActiveWindow())
992        return;
993
994QRect availableGeometry = QApplication::desktop()->availableGeometry(0);
995    if (currentGeometry != availableGeometry) {
996        QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
997        /*!
998         * \hack HACK: This hack checks whether \link QDesktopWidget::availableGeometry() availableGeometry()\endlink's \c top + \c hegiht = \link QDesktopWidget::screenGeometry() screenGeometry()\endlink's \c height.
999         *  If \c true, the window gets maximized. If we used \c setGeometry() in this case, the bottom of the
1000         *  window would end up being behind the soft buttons. Is this a bug in Qt or Windows Mobile?
1001         */
1002        if ((availableGeometry.top() + availableGeometry.height()) == QApplication::desktop()->screenGeometry().height()) {
1003            setWindowState(windowState() | Qt::WindowMaximized);
1004        } else {
1005            if (windowState() & Qt::WindowMaximized)
1006                setWindowState(windowState() ^ Qt::WindowMaximized);
1007            setGeometry(availableGeometry);
1008        }
1009        currentGeometry = availableGeometry;
1010        QApplication::restoreOverrideCursor();
1011    }
1012}
1013#endif // Q_WS_WINCE_WM
1014
1015void MainWindow::numCitiesChanged(int nCities)
1016{
1017    blockSignals(true);
1018    spinCities->setValue(nCities);
1019    blockSignals(false);
1020}
1021
1022#ifndef QT_NO_PRINTER
1023void MainWindow::printPreview(QPrinter *printer)
1024{
1025    solutionText->print(printer);
1026}
1027#endif // QT_NO_PRINTER
1028
1029#ifdef Q_WS_WIN32
1030void MainWindow::solverRoutePartFound(int n)
1031{
1032    tl->SetProgressValue(winId(), n, spinCities->value() * 2);
1033}
1034#endif // Q_WS_WIN32
1035
1036void MainWindow::spinCitiesValueChanged(int n)
1037{
1038    QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1039int count = tspmodel->numCities();
1040    tspmodel->setNumCities(n);
1041    if ((n > count) && settings->value("Autosize", DEF_AUTOSIZE).toBool())
1042        for (int k = count; k < n; k++) {
1043            taskView->resizeColumnToContents(k);
1044            taskView->resizeRowToContents(k);
1045        }
1046    QApplication::restoreOverrideCursor();
1047}
1048
1049void MainWindow::check4Updates(bool silent)
1050{
1051#ifdef Q_WS_WIN32
1052    if (silent)
1053        QProcess::startDetached("updater/Update.exe -name=\"TSPSG: TSP Solver and Generator\" -check=\"freeupdate\" -silentcheck");
1054    else {
1055        QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1056        QProcess::execute("updater/Update.exe -name=\"TSPSG: TSP Solver and Generator\" -check=\"freeupdate\"");
1057        QApplication::restoreOverrideCursor();
1058    }
1059#else
1060    Q_UNUSED(silent)
1061#endif
1062    settings->setValue("Check4Updates/LastAttempt", QDate::currentDate().toString(Qt::ISODate));
1063}
1064
1065void MainWindow::closeEvent(QCloseEvent *ev)
1066{
1067    if (!maybeSave()) {
1068        ev->ignore();
1069        return;
1070    }
1071    if (!settings->value("SettingsReset", false).toBool()) {
1072        settings->setValue("NumCities", spinCities->value());
1073
1074        // Saving Main Window state
1075#ifndef HANDHELD
1076        if (settings->value("SavePos", DEF_SAVEPOS).toBool()) {
1077            settings->beginGroup("MainWindow");
1078            settings->setValue("Geometry", saveGeometry());
1079            settings->setValue("State", saveState());
1080            settings->setValue("Toolbars", toolBarManager->saveState());
1081            settings->endGroup();
1082        }
1083#else
1084        settings->setValue("MainWindow/ToolbarVisible", toolBarMain->isVisible());
1085#endif // HANDHELD
1086    } else {
1087        settings->remove("SettingsReset");
1088    }
1089
1090    QMainWindow::closeEvent(ev);
1091}
1092
1093void MainWindow::dragEnterEvent(QDragEnterEvent *ev)
1094{
1095    if (ev->mimeData()->hasUrls() && (ev->mimeData()->urls().count() == 1)) {
1096QFileInfo fi(ev->mimeData()->urls().first().toLocalFile());
1097        if ((fi.suffix() == "tspt") || (fi.suffix() == "zkt"))
1098            ev->acceptProposedAction();
1099    }
1100}
1101
1102void MainWindow::drawNode(QPainter &pic, int nstep, bool left, SStep *step)
1103{
1104int r;
1105    if (settings->value("Output/HQGraph", DEF_HQ_GRAPH).toBool())
1106        r = 70;
1107    else
1108        r = 35;
1109qreal x, y;
1110    if (step != NULL)
1111        x = left ? r : r * 3.5;
1112    else
1113        x = r * 2.25;
1114    y = r * (3 * nstep + 1);
1115
1116#ifdef _T_T_L_
1117    if (nstep == -481124) {
1118        _t_t_l_(pic, r, x);
1119        return;
1120    }
1121#endif
1122
1123    pic.drawEllipse(QPointF(x, y), r, r);
1124
1125    if (step != NULL) {
1126QFont font;
1127        if (left) {
1128            font = pic.font();
1129            font.setStrikeOut(true);
1130            pic.setFont(font);
1131        }
1132        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");
1133        if (left) {
1134            font.setStrikeOut(false);
1135            pic.setFont(font);
1136        }
1137        if (step->price != INFINITY) {
1138            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()));
1139        } else {
1140            pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, "\n"INFSTR);
1141        }
1142    } else {
1143        pic.drawText(QRectF(x - r, y - r, r * 2, r * 2), Qt::AlignCenter, tr("Root"));
1144    }
1145
1146    if (nstep == 1) {
1147        pic.drawLine(QPointF(x, y - r), QPointF(r * 2.25, y - 2 * r));
1148    } else if (nstep > 1) {
1149        pic.drawLine(QPointF(x, y - r), QPointF((step->pNode->pNode->next == SStep::RightBranch) ? r * 3.5 : r, y - 2 * r));
1150    }
1151
1152}
1153
1154void MainWindow::dropEvent(QDropEvent *ev)
1155{
1156    if (maybeSave() && tspmodel->loadTask(ev->mimeData()->urls().first().toLocalFile())) {
1157        setFileName(ev->mimeData()->urls().first().toLocalFile());
1158        tabWidget->setCurrentIndex(0);
1159        setWindowModified(false);
1160        solutionText->clear();
1161        toggleSolutionActions(false);
1162
1163        ev->setDropAction(Qt::CopyAction);
1164        ev->accept();
1165    }
1166}
1167
1168void MainWindow::initDocStyleSheet()
1169{
1170    solutionText->document()->setDefaultFont(qvariant_cast<QFont>(settings->value("Output/Font", QFont(DEF_FONT_FACE, DEF_FONT_SIZE))));
1171
1172    fmt_paragraph.setTopMargin(0);
1173    fmt_paragraph.setRightMargin(10);
1174    fmt_paragraph.setBottomMargin(0);
1175    fmt_paragraph.setLeftMargin(10);
1176
1177    fmt_table.setTopMargin(5);
1178    fmt_table.setRightMargin(10);
1179    fmt_table.setBottomMargin(5);
1180    fmt_table.setLeftMargin(10);
1181    fmt_table.setBorder(0);
1182    fmt_table.setBorderStyle(QTextFrameFormat::BorderStyle_None);
1183    fmt_table.setCellSpacing(5);
1184
1185    fmt_cell.setAlignment(Qt::AlignHCenter);
1186
1187    settings->beginGroup("Output/Colors");
1188
1189QColor color = qvariant_cast<QColor>(settings->value("Text", DEF_TEXT_COLOR));
1190QColor hilight;
1191    if (color.value() < 192)
1192        hilight.setHsv(color.hue(), color.saturation(), 127 + qRound(color.value() / 2));
1193    else
1194        hilight.setHsv(color.hue(), color.saturation(), color.value() / 2);
1195
1196    solutionText->document()->setDefaultStyleSheet(QString("* {color: %1;}").arg(color.name()));
1197    fmt_default.setForeground(QBrush(color));
1198
1199    fmt_selected.setForeground(QBrush(qvariant_cast<QColor>(settings->value("Selected", DEF_SELECTED_COLOR))));
1200    fmt_selected.setFontWeight(QFont::Bold);
1201
1202    fmt_alternate.setForeground(QBrush(qvariant_cast<QColor>(settings->value("Alternate", DEF_ALTERNATE_COLOR))));
1203    fmt_alternate.setFontWeight(QFont::Bold);
1204    fmt_altlist.setForeground(QBrush(hilight));
1205
1206    settings->endGroup();
1207
1208    solutionText->setTextColor(color);
1209}
1210
1211void MainWindow::loadLangList()
1212{
1213QMap<QString, QStringList> langlist;
1214QFileInfoList langs;
1215QFileInfo lang;
1216QStringList language, dirs;
1217QTranslator t;
1218QDir dir;
1219    dir.setFilter(QDir::Files);
1220    dir.setNameFilters(QStringList("tspsg_*.qm"));
1221    dir.setSorting(QDir::NoSort);
1222
1223    dirs << PATH_L10N << ":/l10n";
1224    foreach (QString dirname, dirs) {
1225        dir.setPath(dirname);
1226        if (dir.exists()) {
1227            langs = dir.entryInfoList();
1228            for (int k = 0; k < langs.size(); k++) {
1229                lang = langs.at(k);
1230                if (lang.completeBaseName().compare("tspsg_en", Qt::CaseInsensitive) && !langlist.contains(lang.completeBaseName().mid(6)) && t.load(lang.completeBaseName(), dirname)) {
1231
1232                    language.clear();
1233                    language.append(lang.completeBaseName().mid(6));
1234                    language.append(t.translate("--------", "COUNTRY", "Please, provide an ISO 3166-1 alpha-2 country code for this translation language here (eg., UA).").toLower());
1235                    language.append(t.translate("--------", "LANGNAME", "Please, provide a native name of your translation language here."));
1236                    language.append(t.translate("MainWindow", "Set application language to %1", "").arg(language.at(2)));
1237
1238                    langlist.insert(language.at(0), language);
1239                }
1240            }
1241        }
1242    }
1243
1244QAction *a;
1245    foreach (language, langlist) {
1246        a = menuSettingsLanguage->addAction(language.at(2));
1247#ifndef QT_NO_STATUSTIP
1248        a->setStatusTip(language.at(3));
1249#endif
1250#if QT_VERSION >= 0x040600
1251        a->setIcon(QIcon::fromTheme(QString("flag-%1").arg(language.at(1)), QIcon(QString(":/images/icons/l10n/flag-%1.png").arg(language.at(1)))));
1252#else
1253        a->setIcon(QIcon(QString(":/images/icons/l10n/flag-%1.png").arg(language.at(1))));
1254#endif
1255        a->setData(language.at(0));
1256        a->setCheckable(true);
1257        a->setActionGroup(groupSettingsLanguageList);
1258        if (settings->value("Language", QLocale::system().name()).toString().startsWith(language.at(0)))
1259            a->setChecked(true);
1260    }
1261}
1262
1263bool MainWindow::loadLanguage(const QString &lang)
1264{
1265// i18n
1266bool ad = false;
1267QString lng = lang;
1268    if (lng.isEmpty()) {
1269        ad = settings->value("Language").toString().isEmpty();
1270        lng = settings->value("Language", QLocale::system().name()).toString();
1271    }
1272static QTranslator *qtTranslator; // Qt library translator
1273    if (qtTranslator) {
1274        qApp->removeTranslator(qtTranslator);
1275        delete qtTranslator;
1276        qtTranslator = NULL;
1277    }
1278static QTranslator *translator; // Application translator
1279    if (translator) {
1280        qApp->removeTranslator(translator);
1281        delete translator;
1282        translator = NULL;
1283    }
1284
1285    if (lng == "en")
1286        return true;
1287
1288    // Trying to load system Qt library translation...
1289    qtTranslator = new QTranslator(this);
1290    if (qtTranslator->load("qt_" + lng, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
1291        qApp->installTranslator(qtTranslator);
1292    else {
1293        // No luck. Let's try to load a bundled one.
1294        if (qtTranslator->load("qt_" + lng, PATH_L10N)) {
1295            // We have a translation in the localization direcotry.
1296            qApp->installTranslator(qtTranslator);
1297        } else if (qtTranslator->load("qt_" + lng, ":/l10n")) {
1298            // We have a translation "built-in" into application resources.
1299            qApp->installTranslator(qtTranslator);
1300        } else {
1301            // Qt library translation unavailable for this language.
1302            delete qtTranslator;
1303            qtTranslator = NULL;
1304        }
1305    }
1306
1307    // Now let's load application translation.
1308    translator = new QTranslator(this);
1309    if (translator->load("tspsg_" + lng, PATH_L10N)) {
1310        // We have a translation in the localization directory.
1311        qApp->installTranslator(translator);
1312    } else if (translator->load("tspsg_" + lng, ":/l10n")) {
1313        // We have a translation "built-in" into application resources.
1314        qApp->installTranslator(translator);
1315    } else {
1316        delete translator;
1317        translator = NULL;
1318        if (!ad) {
1319            settings->remove("Language");
1320            QApplication::setOverrideCursor(QCursor(Qt::ArrowCursor));
1321            QMessageBox::warning(isVisible() ? this : NULL, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection."));
1322            QApplication::restoreOverrideCursor();
1323        }
1324        return false;
1325    }
1326    return true;
1327}
1328
1329void MainWindow::loadStyleList()
1330{
1331    menuSettingsStyle->clear();
1332QStringList styles = QStyleFactory::keys();
1333    menuSettingsStyle->insertAction(NULL, actionSettingsStyleSystem);
1334    actionSettingsStyleSystem->setChecked(!settings->contains("Style"));
1335    menuSettingsStyle->addSeparator();
1336QAction *a;
1337    foreach (QString style, styles) {
1338        a = menuSettingsStyle->addAction(style);
1339        a->setData(false);
1340#ifndef QT_NO_STATUSTIP
1341        a->setStatusTip(tr("Set application style to %1").arg(style));
1342#endif
1343        a->setCheckable(true);
1344        a->setActionGroup(groupSettingsStyleList);
1345        if ((style == settings->value("Stlye").toString())
1346#ifndef Q_WS_MAEMO_5
1347            || QString(QApplication::style()->metaObject()->className()).contains(QRegExp(QString("^Q?%1(Style)?$").arg(QRegExp::escape(style)), Qt::CaseInsensitive))
1348#endif
1349        ) {
1350            a->setChecked(true);
1351        }
1352    }
1353}
1354
1355void MainWindow::loadToolbarList()
1356{
1357    menuSettingsToolbars->clear();
1358#ifndef HANDHELD
1359    menuSettingsToolbars->insertAction(NULL, actionSettingsToolbarsConfigure);
1360    menuSettingsToolbars->addSeparator();
1361QList<QToolBar *> list = toolBarManager->toolBars();
1362    foreach (QToolBar *t, list) {
1363        menuSettingsToolbars->insertAction(NULL, t->toggleViewAction());
1364    }
1365#else // HANDHELD
1366    menuSettingsToolbars->insertAction(NULL, toolBarMain->toggleViewAction());
1367#endif // HANDHELD
1368}
1369
1370bool MainWindow::maybeSave()
1371{
1372    if (!isWindowModified())
1373        return true;
1374int res = QMessageBox::warning(this, tr("Unsaved Changes"), tr("Would you like to save changes in the current task?"), QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
1375    if (res == QMessageBox::Save)
1376        return actionFileSaveTriggered();
1377    else if (res == QMessageBox::Cancel)
1378        return false;
1379    else
1380        return true;
1381}
1382
1383void MainWindow::outputMatrix(QTextCursor &cur, const TMatrix &matrix)
1384{
1385int n = spinCities->value();
1386QTextTable *table = cur.insertTable(n, n, fmt_table);
1387
1388    for (int r = 0; r < n; r++) {
1389        for (int c = 0; c < n; c++) {
1390            cur = table->cellAt(r, c).firstCursorPosition();
1391            cur.setBlockFormat(fmt_cell);
1392            cur.setBlockCharFormat(fmt_default);
1393            if (matrix.at(r).at(c) == INFINITY)
1394                cur.insertText(INFSTR);
1395            else
1396                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()));
1397        }
1398        QCoreApplication::processEvents();
1399    }
1400    cur.movePosition(QTextCursor::End);
1401}
1402
1403void MainWindow::outputMatrix(QTextCursor &cur, const SStep &step)
1404{
1405int n = spinCities->value();
1406QTextTable *table = cur.insertTable(n, n, fmt_table);
1407
1408    for (int r = 0; r < n; r++) {
1409        for (int c = 0; c < n; c++) {
1410            cur = table->cellAt(r, c).firstCursorPosition();
1411            cur.setBlockFormat(fmt_cell);
1412            if (step.matrix.at(r).at(c) == INFINITY)
1413                cur.insertText(INFSTR, fmt_default);
1414            else if ((r == step.candidate.nRow) && (c == step.candidate.nCol))
1415                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);
1416            else {
1417SStep::SCandidate cand;
1418                cand.nRow = r;
1419                cand.nCol = c;
1420                if (step.alts.contains(cand))
1421                    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);
1422                else
1423                    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);
1424            }
1425        }
1426        QCoreApplication::processEvents();
1427    }
1428
1429    cur.movePosition(QTextCursor::End);
1430}
1431
1432void MainWindow::retranslateUi(bool all)
1433{
1434    if (all)
1435        Ui_MainWindow::retranslateUi(this);
1436
1437    loadStyleList();
1438    loadToolbarList();
1439
1440#ifndef QT_NO_PRINTER
1441    actionFilePrintPreview->setText(tr("P&rint Preview..."));
1442#ifndef QT_NO_TOOLTIP
1443    actionFilePrintPreview->setToolTip(tr("Preview solution results"));
1444#endif // QT_NO_TOOLTIP
1445#ifndef QT_NO_STATUSTIP
1446    actionFilePrintPreview->setStatusTip(tr("Preview current solution results before printing"));
1447    actionFileExit->setStatusTip(tr("Exit %1").arg(QCoreApplication::applicationName()));
1448#endif // QT_NO_STATUSTIP
1449
1450    actionFilePrint->setText(tr("&Print..."));
1451#ifndef QT_NO_TOOLTIP
1452    actionFilePrint->setToolTip(tr("Print solution"));
1453#endif // QT_NO_TOOLTIP
1454#ifndef QT_NO_STATUSTIP
1455    actionFilePrint->setStatusTip(tr("Print current solution results"));
1456#endif // QT_NO_STATUSTIP
1457    actionFilePrint->setShortcut(tr("Ctrl+P"));
1458#endif // QT_NO_PRINTER
1459
1460#ifndef HANDHELD
1461    actionSettingsToolbarsConfigure->setText(tr("Configure..."));
1462#ifndef QT_NO_STATUSTIP
1463    actionSettingsToolbarsConfigure->setStatusTip(tr("Customize toolbars"));
1464#endif // QT_NO_STATUSTIP
1465#endif // HANDHELD
1466
1467#ifndef QT_NO_STATUSTIP
1468    actionHelpReportBug->setStatusTip(tr("Report about a bug in %1").arg(QCoreApplication::applicationName()));
1469#endif // QT_NO_STATUSTIP
1470    if (actionHelpCheck4Updates != NULL) {
1471        actionHelpCheck4Updates->setText(tr("Check for &Updates..."));
1472#ifndef QT_NO_STATUSTIP
1473        actionHelpCheck4Updates->setStatusTip(tr("Check for %1 updates").arg(QCoreApplication::applicationName()));
1474#endif // QT_NO_STATUSTIP
1475    }
1476#ifndef QT_NO_STATUSTIP
1477    actionHelpAbout->setStatusTip(tr("About %1").arg(QCoreApplication::applicationName()));
1478#endif // QT_NO_STATUSTIP
1479}
1480
1481bool MainWindow::saveTask() {
1482QStringList filters(tr("%1 Task File").arg("TSPSG") + " (*.tspt)");
1483    filters.append(tr("All Files") + " (*)");
1484QString file;
1485    if ((fileName == tr("Untitled") + ".tspt") && settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool()) {
1486        file = settings->value(OS"/LastUsed/TaskSavePath").toString();
1487        if (!file.isEmpty())
1488            file.append("/");
1489        file.append(fileName);
1490    } else if (fileName.endsWith(".tspt", Qt::CaseInsensitive))
1491        file = fileName;
1492    else
1493        file = QFileInfo(fileName).path() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt";
1494
1495QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog;
1496    file = QFileDialog::getSaveFileName(this, tr("Task Save"), file, filters.join(";;"), NULL, opts);
1497    if (file.isEmpty())
1498        return false;
1499    else if (settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool())
1500        settings->setValue(OS"/LastUsed/TaskSavePath", QFileInfo(file).path());
1501
1502    if (tspmodel->saveTask(file)) {
1503        setFileName(file);
1504        setWindowModified(false);
1505        return true;
1506    }
1507    return false;
1508}
1509
1510void MainWindow::setFileName(const QString &fileName)
1511{
1512    this->fileName = fileName;
1513    setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(QCoreApplication::applicationName()));
1514}
1515
1516void MainWindow::setupUi()
1517{
1518    Ui_MainWindow::setupUi(this);
1519
1520    // File Menu
1521    actionFileNew->setIcon(GET_ICON("document-new"));
1522    actionFileOpen->setIcon(GET_ICON("document-open"));
1523    actionFileSave->setIcon(GET_ICON("document-save"));
1524#ifndef HANDHELD
1525    menuFileSaveAs->setIcon(GET_ICON("document-save-as"));
1526#endif
1527    actionFileExit->setIcon(GET_ICON("application-exit"));
1528    // Settings Menu
1529#ifndef HANDHELD
1530    menuSettingsLanguage->setIcon(GET_ICON("preferences-desktop-locale"));
1531#if QT_VERSION >= 0x040600
1532    actionSettingsLanguageEnglish->setIcon(QIcon::fromTheme("flag-gb", QIcon(":/images/icons/l10n/flag-gb.png")));
1533#else // QT_VERSION >= 0x040600
1534    actionSettingsLanguageEnglish->setIcon(QIcon(":/images/icons/l10n/flag-gb.png"));
1535#endif // QT_VERSION >= 0x040600
1536    menuSettingsStyle->setIcon(GET_ICON("preferences-desktop-theme"));
1537#endif // HANDHELD
1538    actionSettingsPreferences->setIcon(GET_ICON("preferences-system"));
1539    // Help Menu
1540#ifndef HANDHELD
1541    actionHelpContents->setIcon(GET_ICON("help-contents"));
1542    actionHelpContextual->setIcon(GET_ICON("help-contextual"));
1543    actionHelpOnlineSupport->setIcon(GET_ICON("applications-internet"));
1544    actionHelpReportBug->setIcon(GET_ICON("tools-report-bug"));
1545    actionHelpAbout->setIcon(GET_ICON("help-about"));
1546    actionHelpAboutQt->setIcon(QIcon(":/images/icons/"ICON_SIZE"/qtlogo."ICON_FORMAT));
1547#endif
1548    // Buttons
1549    buttonRandom->setIcon(GET_ICON("roll"));
1550    buttonSolve->setIcon(GET_ICON("dialog-ok"));
1551    buttonSaveSolution->setIcon(GET_ICON("document-save-as"));
1552    buttonBackToTask->setIcon(GET_ICON("go-previous"));
1553
1554//      action->setIcon(GET_ICON(""));
1555
1556#if QT_VERSION >= 0x040600
1557    setToolButtonStyle(Qt::ToolButtonFollowStyle);
1558#endif
1559
1560#ifndef HANDHELD
1561QStatusBar *statusbar = new QStatusBar(this);
1562    statusbar->setObjectName("statusbar");
1563    setStatusBar(statusbar);
1564#endif // HANDHELD
1565
1566#ifdef Q_WS_WINCE_WM
1567    menuBar()->setDefaultAction(menuFile->menuAction());
1568
1569QScrollArea *scrollArea = new QScrollArea(this);
1570    scrollArea->setFrameShape(QFrame::NoFrame);
1571    scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
1572    scrollArea->setWidgetResizable(true);
1573    scrollArea->setWidget(tabWidget);
1574    setCentralWidget(scrollArea);
1575#else
1576    setCentralWidget(tabWidget);
1577#endif // Q_WS_WINCE_WM
1578
1579    //! \hack HACK: A little hack for toolbar icons to have a sane size.
1580#if defined(HANDHELD) && !defined(Q_WS_MAEMO_5)
1581    toolBarMain->setIconSize(QSize(logicalDpiX() / 4, logicalDpiY() / 4));
1582#endif // HANDHELD
1583QToolButton *tb = static_cast<QToolButton *>(toolBarMain->widgetForAction(actionFileSave));
1584    if (tb != NULL)      {
1585        tb->setMenu(menuFileSaveAs);
1586        tb->setPopupMode(QToolButton::MenuButtonPopup);
1587    }
1588
1589//      solutionText->document()->setDefaultFont(settings->value("Output/Font", QFont(DEF_FONT_FAMILY, DEF_FONT_SIZE)).value<QFont>());
1590    solutionText->setWordWrapMode(QTextOption::WordWrap);
1591
1592#ifndef QT_NO_PRINTER
1593    actionFilePrintPreview = new QAction(this);
1594    actionFilePrintPreview->setObjectName("actionFilePrintPreview");
1595    actionFilePrintPreview->setEnabled(false);
1596    actionFilePrintPreview->setIcon(GET_ICON("document-print-preview"));
1597
1598    actionFilePrint = new QAction(this);
1599    actionFilePrint->setObjectName("actionFilePrint");
1600    actionFilePrint->setEnabled(false);
1601    actionFilePrint->setIcon(GET_ICON("document-print"));
1602
1603    menuFile->insertAction(actionFileExit,actionFilePrintPreview);
1604    menuFile->insertAction(actionFileExit,actionFilePrint);
1605    menuFile->insertSeparator(actionFileExit);
1606
1607    toolBarMain->insertAction(actionSettingsPreferences, actionFilePrint);
1608#endif // QT_NO_PRINTER
1609
1610    groupSettingsLanguageList = new QActionGroup(this);
1611#ifdef Q_WS_MAEMO_5
1612    groupSettingsLanguageList->addAction(actionSettingsLanguageAutodetect);
1613#endif
1614    actionSettingsLanguageEnglish->setData("en");
1615    actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
1616    loadLangList();
1617    actionSettingsLanguageAutodetect->setChecked(settings->value("Language", "").toString().isEmpty());
1618
1619    actionSettingsStyleSystem->setData(true);
1620    groupSettingsStyleList = new QActionGroup(this);
1621#ifdef Q_WS_MAEMO_5
1622    groupSettingsStyleList->addAction(actionSettingsStyleSystem);
1623#endif
1624
1625#ifndef HANDHELD
1626    actionSettingsToolbarsConfigure = new QAction(this);
1627    actionSettingsToolbarsConfigure->setIcon(GET_ICON("configure-toolbars"));
1628#endif // HANDHELD
1629
1630    if (hasUpdater()) {
1631        actionHelpCheck4Updates = new QAction(this);
1632        actionHelpCheck4Updates->setIcon(GET_ICON("system-software-update"));
1633        actionHelpCheck4Updates->setEnabled(hasUpdater());
1634        menuHelp->insertAction(actionHelpAboutQt, actionHelpCheck4Updates);
1635        menuHelp->insertSeparator(actionHelpAboutQt);
1636    } else
1637        actionHelpCheck4Updates = NULL;
1638
1639    spinCities->setMaximum(MAX_NUM_CITIES);
1640
1641#ifndef HANDHELD
1642    toolBarManager = new QtToolBarManager;
1643    toolBarManager->setMainWindow(this);
1644QString cat = toolBarMain->windowTitle();
1645    toolBarManager->addToolBar(toolBarMain, cat);
1646#ifndef QT_NO_PRINTER
1647    toolBarManager->addAction(actionFilePrintPreview, cat);
1648#endif // QT_NO_PRINTER
1649    toolBarManager->addAction(actionHelpContents, cat);
1650    toolBarManager->addAction(actionHelpContextual, cat);
1651//      toolBarManager->addAction(action, cat);
1652    toolBarManager->restoreState(settings->value("MainWindow/Toolbars").toByteArray());
1653#else
1654    toolBarMain->setVisible(settings->value("MainWindow/ToolbarVisible", true).toBool());
1655#endif // HANDHELD
1656
1657    retranslateUi(false);
1658
1659#ifndef HANDHELD
1660    // Adding some eyecandy
1661    if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool())  {
1662        toggleTranclucency(true);
1663    }
1664#endif // HANDHELD
1665}
1666
1667void MainWindow::toggleSolutionActions(bool enable)
1668{
1669    buttonSaveSolution->setEnabled(enable);
1670    actionFileSaveAsSolution->setEnabled(enable);
1671    solutionText->setEnabled(enable);
1672#ifndef QT_NO_PRINTER
1673    actionFilePrint->setEnabled(enable);
1674    actionFilePrintPreview->setEnabled(enable);
1675#endif // QT_NO_PRINTER
1676}
1677
1678void MainWindow::toggleTranclucency(bool enable)
1679{
1680#ifndef HANDHELD
1681    toggleStyle(labelVariant, enable);
1682    toggleStyle(labelCities, enable);
1683    toggleStyle(statusBar(), enable);
1684    tabWidget->setDocumentMode(enable);
1685    QtWin::enableBlurBehindWindow(this, enable);
1686#else
1687    Q_UNUSED(enable);
1688#endif // HANDHELD
1689}
1690
1691void MainWindow::actionHelpOnlineSupportTriggered()
1692{
1693    QDesktopServices::openUrl(QUrl("http://tspsg.info/goto/support"));
1694}
1695
1696void MainWindow::actionHelpReportBugTriggered()
1697{
1698    QDesktopServices::openUrl(QUrl("http://tspsg.info/goto/bugtracker"));
1699}
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