/* * TSPSG: TSP Solver and Generator * Copyright (C) 2007-2010 Lёppa * * $Id$ * $URL$ * * This file is part of TSPSG. * * TSPSG is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * TSPSG is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with TSPSG. If not, see . */ #include "mainwindow.h" /*! * \brief Class constructor. * \param parent Main Window parent widget. * * Initializes Main Window and creates its layout based on target OS. * Loads TSPSG settings and opens a task file if it was specified as a commandline parameter. */ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) { settings = new QSettings(QSettings::IniFormat, QSettings::UserScope, "TSPSG", "tspsg", this); loadLanguage(); setupUi(); initDocStyleSheet(); #ifndef QT_NO_PRINTER printer = new QPrinter(QPrinter::HighResolution); #endif // QT_NO_PRINTER #ifdef Q_OS_WINCE_WM currentGeometry = QApplication::desktop()->availableGeometry(0); // We need to react to SIP show/hide and resize the window appropriately connect(QApplication::desktop(), SIGNAL(workAreaResized(int)), SLOT(desktopResized(int))); #endif // Q_OS_WINCE_WM connect(actionFileNew,SIGNAL(triggered()),this,SLOT(actionFileNewTriggered())); connect(actionFileOpen,SIGNAL(triggered()),this,SLOT(actionFileOpenTriggered())); connect(actionFileSave,SIGNAL(triggered()),this,SLOT(actionFileSaveTriggered())); connect(actionFileSaveAsTask,SIGNAL(triggered()),this,SLOT(actionFileSaveAsTaskTriggered())); connect(actionFileSaveAsSolution,SIGNAL(triggered()),this,SLOT(actionFileSaveAsSolutionTriggered())); #ifndef QT_NO_PRINTER connect(actionFilePrintPreview,SIGNAL(triggered()),this,SLOT(actionFilePrintPreviewTriggered())); connect(actionFilePrint,SIGNAL(triggered()),this,SLOT(actionFilePrintTriggered())); #endif // QT_NO_PRINTER connect(actionSettingsPreferences,SIGNAL(triggered()),this,SLOT(actionSettingsPreferencesTriggered())); #ifdef Q_OS_WIN32 connect(actionHelpCheck4Updates, SIGNAL(triggered()), SLOT(actionHelpCheck4UpdatesTriggered())); #endif // Q_OS_WIN32 connect(actionSettingsLanguageAutodetect,SIGNAL(triggered(bool)),this,SLOT(actionSettingsLanguageAutodetectTriggered(bool))); connect(groupSettingsLanguageList,SIGNAL(triggered(QAction *)),this,SLOT(groupSettingsLanguageListTriggered(QAction *))); connect(actionHelpAboutQt,SIGNAL(triggered()),qApp,SLOT(aboutQt())); connect(actionHelpAbout,SIGNAL(triggered()),this,SLOT(actionHelpAboutTriggered())); connect(buttonSolve,SIGNAL(clicked()),this,SLOT(buttonSolveClicked())); connect(buttonRandom,SIGNAL(clicked()),this,SLOT(buttonRandomClicked())); connect(buttonBackToTask,SIGNAL(clicked()),this,SLOT(buttonBackToTaskClicked())); connect(spinCities,SIGNAL(valueChanged(int)),this,SLOT(spinCitiesValueChanged(int))); #ifndef HANDHELD // Centering main window QRect rect = geometry(); rect.moveCenter(QApplication::desktop()->availableGeometry(this).center()); setGeometry(rect); if (settings->value("SavePos", DEF_SAVEPOS).toBool()) { // Loading of saved window state settings->beginGroup("MainWindow"); restoreGeometry(settings->value("Geometry").toByteArray()); restoreState(settings->value("State").toByteArray()); settings->endGroup(); } #else setWindowState(Qt::WindowMaximized); #endif // HANDHELD tspmodel = new CTSPModel(this); taskView->setModel(tspmodel); connect(tspmodel,SIGNAL(numCitiesChanged(int)),this,SLOT(numCitiesChanged(int))); connect(tspmodel,SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),this,SLOT(dataChanged(const QModelIndex &, const QModelIndex &))); connect(tspmodel,SIGNAL(layoutChanged()),this,SLOT(dataChanged())); if ((QCoreApplication::arguments().count() > 1) && (tspmodel->loadTask(QCoreApplication::arguments().at(1)))) setFileName(QCoreApplication::arguments().at(1)); else { setFileName(); spinCities->setValue(settings->value("NumCities",DEF_NUM_CITIES).toInt()); spinCitiesValueChanged(spinCities->value()); } setWindowModified(false); } MainWindow::~MainWindow() { #ifndef QT_NO_PRINTER delete printer; #endif } /* Privates **********************************************************/ void MainWindow::actionFileNewTriggered() { if (!maybeSave()) return; QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); tspmodel->clear(); setFileName(); setWindowModified(false); tabWidget->setCurrentIndex(0); solutionText->clear(); toggleSolutionActions(false); QApplication::restoreOverrideCursor(); } void MainWindow::actionFileOpenTriggered() { if (!maybeSave()) return; QStringList filters(tr("All Supported Formats") + " (*.tspt *.zkt)"); filters.append(tr("%1 Task Files").arg("TSPSG") + " (*.tspt)"); filters.append(tr("%1 Task Files").arg("ZKomModRd") + " (*.zkt)"); filters.append(tr("All Files") + " (*)"); QString file = QFileInfo(fileName).canonicalPath(); QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog; file = QFileDialog::getOpenFileName(this, tr("Task Load"), file, filters.join(";;"), NULL, opts); if (file.isEmpty() || !QFileInfo(file).isFile()) return; if (!tspmodel->loadTask(file)) return; setFileName(file); tabWidget->setCurrentIndex(0); setWindowModified(false); solutionText->clear(); toggleSolutionActions(false); } bool MainWindow::actionFileSaveTriggered() { if ((fileName == tr("Untitled") + ".tspt") || (!fileName.endsWith(".tspt", Qt::CaseInsensitive))) return saveTask(); else if (tspmodel->saveTask(fileName)) { setWindowModified(false); return true; } else return false; } void MainWindow::actionFileSaveAsTaskTriggered() { saveTask(); } void MainWindow::actionFileSaveAsSolutionTriggered() { static QString selectedFile; if (selectedFile.isEmpty()) selectedFile = QFileInfo(fileName).canonicalPath(); else selectedFile = QFileInfo(selectedFile).canonicalPath(); if (!selectedFile.isEmpty()) selectedFile += "/"; if (fileName == tr("Untitled") + ".tspt") { #ifndef QT_NO_PRINTER selectedFile += "solution.pdf"; #else selectedFile += "solution.html"; #endif // QT_NO_PRINTER } else { #ifndef QT_NO_PRINTER selectedFile += QFileInfo(fileName).completeBaseName() + ".pdf"; #else selectedFile += QFileInfo(fileName).completeBaseName() + ".html"; #endif // QT_NO_PRINTER } QStringList filters; #ifndef QT_NO_PRINTER filters.append(tr("PDF Files") + " (*.pdf)"); #endif filters.append(tr("HTML Files") + " (*.html *.htm)"); #if QT_VERSION >= 0x040500 filters.append(tr("OpenDocument Files") + " (*.odt)"); #endif // QT_VERSION >= 0x040500 filters.append(tr("All Files") + " (*)"); QFileDialog::Options opts(settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog); QString file = QFileDialog::getSaveFileName(this, QString(), selectedFile, filters.join(";;"), NULL, opts); if (file.isEmpty()) return; selectedFile = file; QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); #ifndef QT_NO_PRINTER if (selectedFile.endsWith(".pdf",Qt::CaseInsensitive)) { QPrinter printer(QPrinter::HighResolution); printer.setOutputFormat(QPrinter::PdfFormat); printer.setOutputFileName(selectedFile); solutionText->document()->print(&printer); QApplication::restoreOverrideCursor(); return; } #endif #if QT_VERSION >= 0x040500 QTextDocumentWriter dw(selectedFile); if (!(selectedFile.endsWith(".htm",Qt::CaseInsensitive) || selectedFile.endsWith(".html",Qt::CaseInsensitive) || selectedFile.endsWith(".odt",Qt::CaseInsensitive) || selectedFile.endsWith(".txt",Qt::CaseInsensitive))) dw.setFormat("plaintext"); if (!dw.write(solutionText->document())) QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution.\nError: %1").arg(dw.device()->errorString())); #else // QT_VERSION >= 0x040500 // Qt < 4.5 has no QTextDocumentWriter class QFile file(selectedFile); if (!file.open(QFile::WriteOnly)) { QApplication::restoreOverrideCursor(); QMessageBox::critical(this, tr("Solution Save"), tr("Unable to save the solution.\nError: %1").arg(file->errorString())); return; } QTextStream ts(&file); ts.setCodec(QTextCodec::codecForName("UTF-8")); ts << solutionText->document()->toHtml("UTF-8"); file.close(); #endif // QT_VERSION >= 0x040500 QApplication::restoreOverrideCursor(); } #ifndef QT_NO_PRINTER void MainWindow::actionFilePrintPreviewTriggered() { QPrintPreviewDialog ppd(printer, this); connect(&ppd,SIGNAL(paintRequested(QPrinter *)),SLOT(printPreview(QPrinter *))); ppd.exec(); } void MainWindow::actionFilePrintTriggered() { QPrintDialog pd(printer,this); #if QT_VERSION >= 0x040500 // No such methods in Qt < 4.5 pd.setOption(QAbstractPrintDialog::PrintSelection,false); pd.setOption(QAbstractPrintDialog::PrintPageRange,false); #endif if (pd.exec() != QDialog::Accepted) return; QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); solutionText->document()->print(printer); QApplication::restoreOverrideCursor(); } #endif // QT_NO_PRINTER void MainWindow::actionSettingsPreferencesTriggered() { SettingsDialog sd(this); if (sd.exec() != QDialog::Accepted) return; if (sd.colorChanged() || sd.fontChanged()) { if (!solutionText->document()->isEmpty() && sd.colorChanged()) QMessageBox::information(this, tr("Settings Changed"), tr("You have changed color settings.\nThey will be applied to the next solution output.")); initDocStyleSheet(); } if (sd.translucencyChanged() != 0) toggleTranclucency(sd.translucencyChanged() == 1); } void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked) { if (checked) { settings->remove("Language"); QMessageBox::information(this, tr("Language change"), tr("Language will be autodetected on the next application start.")); } else settings->setValue("Language", groupSettingsLanguageList->checkedAction()->data().toString()); } void MainWindow::groupSettingsLanguageListTriggered(QAction *action) { if (actionSettingsLanguageAutodetect->isChecked()) { // We have language autodetection. It needs to be disabled to change language. if (QMessageBox::question(this, tr("Language change"), tr("You have language autodetection turned on.\nIt needs to be off.\nDo you wish to turn it off?"), QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes) { actionSettingsLanguageAutodetect->trigger(); } else return; } bool untitled = (fileName == tr("Untitled") + ".tspt"); if (loadLanguage(action->data().toString())) { QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); settings->setValue("Language",action->data().toString()); retranslateUi(); if (untitled) setFileName(); #ifdef Q_OS_WIN32 if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) { toggleStyle(labelVariant, true); toggleStyle(labelCities, true); } #endif QApplication::restoreOverrideCursor(); if (!solutionText->document()->isEmpty()) 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.")); } } #ifdef Q_OS_WIN32 void MainWindow::actionHelpCheck4UpdatesTriggered() { if (!hasUpdater()) { 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.")); return; } QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); QProcess::execute("updater/Update.exe -name=\"TSPSG: TSP Solver and Generator\" -check=\"freeupdate\""); QApplication::restoreOverrideCursor(); } #endif // Q_OS_WIN32 void MainWindow::actionHelpAboutTriggered() { QString title; #ifdef HANDHELD title += QString("TSPSG
TSP Solver and Generator

"); #else title += QString("TSPSG: TSP Solver and Generator
"); #endif // HANDHELD title += QString("%1: %2
").arg(tr("Version"), QApplication::applicationVersion()); #ifndef HANDHELD title += QString("© 2007-%1 %3
").arg(QDate::currentDate().toString("yyyy"), QApplication::organizationDomain(), QApplication::organizationName()); title += QString("http://tspsg.sourceforge.net/"); #else title += QString("http://tspsg.sf.net/"); #endif // Q_OS_WINCE_WM && Q_OS_SYMBIAN QString about; about += QString("%1: %2
").arg(tr("Target OS (ARCH)"), OS); #ifndef STATIC_BUILD about += QString("%1 (%2):
").arg(tr("Qt library"), tr("shared")); about += QString("    %1: %2
").arg(tr("Build time"), QT_VERSION_STR); about += QString("    %1: %2
").arg(tr("Runtime"), qVersion()); #else about += QString("%1: %2 (%3)
").arg(tr("Qt library"), QT_VERSION_STR, tr("static")); #endif // STATIC_BUILD about += tr("Buid %1, built on %2 at %3").arg(BUILD_NUMBER).arg(__DATE__).arg(__TIME__) + "
"; about += QString("%1: %2
").arg(tr("Algorithm"), CTSPSolver::getVersionId()); about += "
"; about += tr("TSPSG is free software: you can redistribute it and/or modify it
" "under the terms of the GNU General Public License as published
" "by the Free Software Foundation, either version 3 of the License,
" "or (at your option) any later version.
" "
" "TSPSG is distributed in the hope that it will be useful, but
" "WITHOUT ANY WARRANTY; without even the implied warranty of
" "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
" "GNU General Public License for more details.
" "
" "You should have received a copy of the GNU General Public License
" "along with TSPSG. If not, see http://www.gnu.org/licenses/."); QDialog *dlg = new QDialog(this); QLabel *lblIcon = new QLabel(dlg), *lblTitle = new QLabel(dlg), *lblTranslated = new QLabel(dlg); #ifdef HANDHELD QLabel *lblSubTitle = new QLabel(QString("© 2007-%1 %3").arg(QDate::currentDate().toString("yyyy"), QApplication::organizationDomain(), QApplication::organizationName()), dlg); #endif // HANDHELD QTextBrowser *txtAbout = new QTextBrowser(dlg); QVBoxLayout *vb = new QVBoxLayout(); QHBoxLayout *hb1 = new QHBoxLayout(), *hb2 = new QHBoxLayout(); QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok, Qt::Horizontal, dlg); lblTitle->setOpenExternalLinks(true); lblTitle->setText(title); lblTitle->setAlignment(Qt::AlignTop); lblTitle->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred); #ifndef HANDHELD lblTitle->setStyleSheet(QString("QLabel {background-color: %1; border-color: %2; border-width: 1px; border-style: solid; border-radius: 3px;}").arg(palette().window().color().name(), palette().shadow().color().name())); #endif // HANDHELD lblIcon->setPixmap(QPixmap(":/images/tspsg.png").scaledToHeight(lblTitle->sizeHint().height(), Qt::SmoothTransformation)); lblIcon->setAlignment(Qt::AlignVCenter); #ifndef HANDHELD lblIcon->setStyleSheet(QString("QLabel {background-color: %1; border-color: %2; border-width: 1px; border-style: solid; border-radius: 3px;}").arg(palette().window().color().name(), palette().windowText().color().name())); #endif // HANDHELD hb1->addWidget(lblIcon); hb1->addWidget(lblTitle); txtAbout->setWordWrapMode(QTextOption::NoWrap); txtAbout->setOpenExternalLinks(true); txtAbout->setHtml(about); txtAbout->moveCursor(QTextCursor::Start); #ifndef HANDHELD txtAbout->setStyleSheet(QString("QTextBrowser {border-color: %1; border-width: 1px; border-style: solid; border-radius: 3px;}").arg(palette().shadow().color().name())); #endif // HANDHELD bb->button(QDialogButtonBox::Ok)->setCursor(QCursor(Qt::PointingHandCursor)); lblTranslated->setText(QApplication::translate("--------", "TRANSLATION", "Please, provide translator credits here.")); if (lblTranslated->text() == "TRANSLATION") lblTranslated->hide(); else { lblTranslated->setOpenExternalLinks(true); #ifndef HANDHELD lblTranslated->setStyleSheet(QString("QLabel {background-color: %1; border-color: %2; border-width: 1px; border-style: solid; border-radius: 3px;}").arg(palette().window().color().name(), palette().shadow().color().name())); #endif // HANDHELD hb2->addWidget(lblTranslated); } hb2->addWidget(bb); #ifdef Q_OS_WINCE_WM vb->setMargin(3); #endif // Q_OS_WINCE_WM vb->addLayout(hb1); #ifdef HANDHELD vb->addWidget(lblSubTitle); #endif // HANDHELD vb->addWidget(txtAbout); vb->addLayout(hb2); dlg->setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::WindowCloseButtonHint); dlg->setWindowTitle(tr("About TSPSG")); dlg->setLayout(vb); connect(bb, SIGNAL(accepted()), dlg, SLOT(accept())); #ifdef Q_OS_WIN32 // Adding some eyecandy in Vista and 7 :-) if (QtWin::isCompositionEnabled()) { QtWin::enableBlurBehindWindow(dlg, true); } #endif // Q_OS_WIN32 dlg->resize(450, 350); dlg->exec(); delete dlg; } void MainWindow::buttonBackToTaskClicked() { tabWidget->setCurrentIndex(0); } void MainWindow::buttonRandomClicked() { QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); tspmodel->randomize(); QApplication::restoreOverrideCursor(); } void MainWindow::buttonSolveClicked() { TMatrix matrix; QList row; int n = spinCities->value(); bool ok; for (int r = 0; r < n; r++) { row.clear(); for (int c = 0; c < n; c++) { row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok)); if (!ok) { QMessageBox::critical(this, tr("Data error"), tr("Error in cell [Row %1; Column %2]: Invalid data format.").arg(r + 1).arg(c + 1)); return; } } matrix.append(row); } QProgressDialog pd(this); QProgressBar *pb = new QProgressBar(&pd); pb->setAlignment(Qt::AlignCenter); pb->setFormat(tr("%v of %1 parts found").arg(n)); pd.setBar(pb); pd.setMaximum(n); pd.setAutoReset(false); pd.setLabelText(tr("Calculating optimal route...")); pd.setWindowTitle(tr("Solution Progress")); pd.setWindowModality(Qt::ApplicationModal); pd.setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint); pd.show(); CTSPSolver solver; connect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int))); connect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel())); SStep *root = solver.solve(n, matrix); disconnect(&solver, SIGNAL(routePartFound(int)), &pd, SLOT(setValue(int))); disconnect(&pd, SIGNAL(canceled()), &solver, SLOT(cancel())); if (!root) { pd.reset(); if (!solver.wasCanceled()) QMessageBox::warning(this, tr("Solution Result"), tr("Unable to find a solution.\nMaybe, this task has no solution.")); return; } pb->setFormat(tr("Generating header")); pd.setLabelText(tr("Generating solution output...")); pd.setMaximum(n); pd.setValue(0); solutionText->clear(); solutionText->setDocumentTitle(tr("Solution of Variant #%1 task").arg(spinVariant->value())); solutionText->append("

" + tr("Variant #%1").arg(spinVariant->value()) + "

"); solutionText->append("

" + tr("Task:") + "

"); solutionText->append(outputMatrix(matrix)); solutionText->append("

" + tr("Solution of Variant #%1 task").arg(spinVariant->value()) + "

"); SStep *step = root; n = 1; pb->setFormat(tr("Generating step %v")); while (n < spinCities->value()) { if (pd.wasCanceled()) { solutionText->clear(); return; } pd.setValue(n); if (step->prNode->prNode != NULL || ((step->prNode->prNode == NULL) && (step->plNode->prNode == NULL))) { if (n != spinCities->value()) { solutionText->append("

" + tr("Step #%1").arg(n++) + "

"); 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())))) { solutionText->append(outputMatrix(*step)); } solutionText->append("

" + tr("Selected candidate for branching: %1.").arg(tr("(%1;%2)").arg(step->candidate.nRow + 1).arg(step->candidate.nCol + 1)) + "

"); if (!step->alts.empty()) { SCandidate cand; QString alts; foreach(cand, step->alts) { if (!alts.isEmpty()) alts += ", "; alts += tr("(%1;%2)").arg(cand.nRow + 1).arg(cand.nCol + 1); } solutionText->append("

" + tr("%n alternate candidate(s) for branching: %1.","",step->alts.count()).arg(alts) + "

"); } solutionText->append("

 

"); } } if (step->prNode->prNode != NULL) step = step->prNode; else if (step->plNode->prNode != NULL) step = step->plNode; else break; } pb->setFormat(tr("Generating footer")); pd.setValue(n); if (solver.isOptimal()) solutionText->append("

" + tr("Optimal path:") + "

"); else solutionText->append("

" + tr("Resulting path:") + "

"); solutionText->append("

  " + solver.getSortedPath() + "

"); if (isInteger(step->price)) solutionText->append("

" + tr("The price is %n unit(s).", "", qRound(step->price)) + "

"); else solutionText->append("

" + tr("The price is %1 units.").arg(step->price, 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()) + "

"); if (!solver.isOptimal()) { solutionText->append("

 

"); solutionText->append("

" + tr("WARNING!!!
This result is a record, but it may not be optimal.
Iterations need to be continued to check whether this result is optimal or get an optimal one.") + "

"); } if (settings->value("Output/ScrollToEnd", DEF_SCROLL_TO_END).toBool()) { // Scrolling to the end of text. solutionText->moveCursor(QTextCursor::End); } else solutionText->moveCursor(QTextCursor::Start); pd.setLabelText(tr("Cleaning up...")); pd.setMaximum(0); pd.setCancelButton(NULL); QApplication::processEvents(QEventLoop::ExcludeUserInputEvents); solver.cleanup(true); toggleSolutionActions(); tabWidget->setCurrentIndex(1); } void MainWindow::dataChanged() { setWindowModified(true); } void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br) { setWindowModified(true); if (settings->value("Autosize", DEF_AUTOSIZE).toBool()) { for (int k = tl.row(); k <= br.row(); k++) taskView->resizeRowToContents(k); for (int k = tl.column(); k <= br.column(); k++) taskView->resizeColumnToContents(k); } } #ifdef Q_OS_WINCE_WM void MainWindow::changeEvent(QEvent *ev) { if ((ev->type() == QEvent::ActivationChange) && isActiveWindow()) desktopResized(0); QWidget::changeEvent(ev); } void MainWindow::desktopResized(int screen) { if ((screen != 0) || !isActiveWindow()) return; QRect availableGeometry = QApplication::desktop()->availableGeometry(0); if (currentGeometry != availableGeometry) { QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); /*! * \hack HACK: This hack checks whether \link QDesktopWidget::availableGeometry() availableGeometry()\endlink's \c top + \c hegiht = \link QDesktopWidget::screenGeometry() screenGeometry()\endlink's \c height. * If \c true, the window gets maximized. If we used \c setGeometry() in this case, the bottom of the * window would end up being behind the soft buttons. Is this a bug in Qt or Windows Mobile? */ if ((availableGeometry.top() + availableGeometry.height()) == QApplication::desktop()->screenGeometry().height()) { setWindowState(windowState() | Qt::WindowMaximized); } else { if (windowState() & Qt::WindowMaximized) setWindowState(windowState() ^ Qt::WindowMaximized); setGeometry(availableGeometry); } currentGeometry = availableGeometry; QApplication::restoreOverrideCursor(); } } #endif // Q_OS_WINCE_WM void MainWindow::numCitiesChanged(int nCities) { blockSignals(true); spinCities->setValue(nCities); blockSignals(false); } #ifndef QT_NO_PRINTER void MainWindow::printPreview(QPrinter *printer) { solutionText->print(printer); } #endif // QT_NO_PRINTER void MainWindow::spinCitiesValueChanged(int n) { QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); int count = tspmodel->numCities(); tspmodel->setNumCities(n); if ((n > count) && settings->value("Autosize", DEF_AUTOSIZE).toBool()) for (int k = count; k < n; k++) { taskView->resizeColumnToContents(k); taskView->resizeRowToContents(k); } QApplication::restoreOverrideCursor(); } void MainWindow::closeEvent(QCloseEvent *ev) { if (!maybeSave()) { ev->ignore(); return; } if (!settings->value("SettingsReset", false).toBool()) { settings->setValue("NumCities", spinCities->value()); // Saving Main Window state if (settings->value("SavePos", DEF_SAVEPOS).toBool()) { settings->beginGroup("MainWindow"); #ifndef HANDHELD settings->setValue("Geometry", saveGeometry()); #endif // HANDHELD settings->setValue("State", saveState()); settings->endGroup(); } } else { settings->remove("SettingsReset"); } QMainWindow::closeEvent(ev); } bool MainWindow::hasUpdater() const { #ifdef Q_OS_WIN32 return QFile::exists("updater/Update.exe"); #else // Q_OS_WIN32 return false; #endif // Q_OS_WIN32 } void MainWindow::initDocStyleSheet() { QColor color = settings->value("Output/Color",DEF_FONT_COLOR).value(); QColor hilight; if (color.value() < 192) hilight.setHsv(color.hue(),color.saturation(),127 + qRound(color.value() / 2)); else hilight.setHsv(color.hue(),color.saturation(),color.value() / 2); solutionText->document()->setDefaultStyleSheet("* {color: " + color.name() +";} p {margin: 0px 10px;} table {margin: 5px;} td {padding: 1px 5px;} .hasalts {color: " + hilight.name() + ";} .selected {color: #A00000; font-weight: bold;} .alternate {color: #008000; font-weight: bold;}"); solutionText->document()->setDefaultFont(settings->value("Output/Font",QFont(DEF_FONT_FAMILY,DEF_FONT_SIZE)).value()); } void MainWindow::loadLangList() { QDir dir(PATH_L10N, "tspsg_*.qm", QDir::Name | QDir::IgnoreCase, QDir::Files); if (!dir.exists()) return; QFileInfoList langs = dir.entryInfoList(); if (langs.size() <= 0) return; QAction *a; QTranslator t; QString name; for (int k = 0; k < langs.size(); k++) { QFileInfo lang = langs.at(k); if (lang.completeBaseName().compare("tspsg_en", Qt::CaseInsensitive) && t.load(lang.completeBaseName(), PATH_L10N)) { name = t.translate("--------", "LANGNAME", "Please, provide a native name of your translation language here."); a = menuSettingsLanguage->addAction(name); a->setStatusTip(QString("Set application language to %1").arg(name)); a->setData(lang.completeBaseName().mid(6)); a->setCheckable(true); a->setActionGroup(groupSettingsLanguageList); if (settings->value("Language", QLocale::system().name()).toString().startsWith(lang.completeBaseName().mid(6))) a->setChecked(true); } } } bool MainWindow::loadLanguage(const QString &lang) { // i18n bool ad = false; QString lng = lang; if (lng.isEmpty()) { ad = settings->value("Language", "").toString().isEmpty(); lng = settings->value("Language", QLocale::system().name()).toString(); } static QTranslator *qtTranslator; // Qt library translator if (qtTranslator) { qApp->removeTranslator(qtTranslator); delete qtTranslator; qtTranslator = NULL; } static QTranslator *translator; // Application translator if (translator) { qApp->removeTranslator(translator); delete translator; translator = NULL; } if (lng == "en") return true; // Trying to load system Qt library translation... qtTranslator = new QTranslator(this); if (qtTranslator->load("qt_" + lng, QLibraryInfo::location(QLibraryInfo::TranslationsPath))) qApp->installTranslator(qtTranslator); else { // No luck. Let's try to load a bundled one. if (qtTranslator->load("qt_" + lng, PATH_L10N)) qApp->installTranslator(qtTranslator); else { // Qt library translation unavailable delete qtTranslator; qtTranslator = NULL; } } // Now let's load application translation. translator = new QTranslator(this); if (translator->load("tspsg_" + lng, PATH_L10N)) qApp->installTranslator(translator); else { delete translator; translator = NULL; if (!ad) { settings->remove("Language"); QApplication::setOverrideCursor(QCursor(Qt::ArrowCursor)); if (isVisible()) QMessageBox::warning(this, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection.")); else QMessageBox::warning(NULL, tr("Language Change"), tr("Unable to load the translation language.\nFalling back to autodetection.")); QApplication::restoreOverrideCursor(); } return false; } return true; } bool MainWindow::maybeSave() { if (!isWindowModified()) return true; 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); if (res == QMessageBox::Save) return actionFileSaveTriggered(); else if (res == QMessageBox::Cancel) return false; else return true; } QString MainWindow::outputMatrix(const TMatrix &matrix) const { int n = spinCities->value(); QString output(""), line; output.append(""); for (int r = 0; r < n; r++) { line = ""; for (int c = 0; c < n; c++) { if (matrix.at(r).at(c) == INFINITY) line += ""; else line += isInteger(matrix.at(r).at(c)) ? QString("").arg(matrix.at(r).at(c)) : QString("").arg(matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()); } line += ""; output.append(line); } output.append("
"INFSTR"%1%1
"); return output; } QString MainWindow::outputMatrix(const SStep &step) const { int n = spinCities->value(); QString output(""), line; output.append(""); for (int r = 0; r < n; r++) { line = ""; for (int c = 0; c < n; c++) { if (step.matrix.at(r).at(c) == INFINITY) line += ""; else if ((r == step.candidate.nRow) && (c == step.candidate.nCol)) line += isInteger(step.matrix.at(r).at(c)) ? QString("").arg(step.matrix.at(r).at(c)) : QString("").arg(step.matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()); else { SCandidate cand; cand.nRow = r; cand.nCol = c; if (step.alts.contains(cand)) line += isInteger(step.matrix.at(r).at(c)) ? QString("").arg(step.matrix.at(r).at(c)) : QString("").arg(step.matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()); else line += isInteger(step.matrix.at(r).at(c)) ? QString("").arg(step.matrix.at(r).at(c)) : QString("").arg(step.matrix.at(r).at(c), 0, 'f', settings->value("Task/FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt()); } } line += ""; output.append(line); } output.append("
"INFSTR"%1%1%1%1%1%1
"); return output; } void MainWindow::retranslateUi(bool all) { if (all) Ui::MainWindow::retranslateUi(this); actionSettingsLanguageEnglish->setStatusTip(tr("Set application language to %1").arg("English")); #ifndef QT_NO_PRINTER actionFilePrintPreview->setText(QApplication::translate("MainWindow", "P&rint Preview...", 0, QApplication::UnicodeUTF8)); #ifndef QT_NO_TOOLTIP actionFilePrintPreview->setToolTip(QApplication::translate("MainWindow", "Preview solution results", 0, QApplication::UnicodeUTF8)); #endif // QT_NO_TOOLTIP #ifndef QT_NO_STATUSTIP actionFilePrintPreview->setStatusTip(QApplication::translate("MainWindow", "Preview current solution results before printing", 0, QApplication::UnicodeUTF8)); #endif // QT_NO_STATUSTIP actionFilePrint->setText(QApplication::translate("MainWindow", "&Print...", 0, QApplication::UnicodeUTF8)); #ifndef QT_NO_TOOLTIP actionFilePrint->setToolTip(QApplication::translate("MainWindow", "Print solution", 0, QApplication::UnicodeUTF8)); #endif // QT_NO_TOOLTIP #ifndef QT_NO_STATUSTIP actionFilePrint->setStatusTip(QApplication::translate("MainWindow", "Print current solution results", 0, QApplication::UnicodeUTF8)); #endif // QT_NO_STATUSTIP actionFilePrint->setShortcut(QApplication::translate("MainWindow", "Ctrl+P", 0, QApplication::UnicodeUTF8)); #endif // QT_NO_PRINTER #ifdef Q_OS_WIN32 actionHelpCheck4Updates->setText(tr("Check for &Updates...")); #ifndef QT_NO_TOOLTIP actionHelpCheck4Updates->setToolTip(tr("Check for %1 updates").arg(QApplication::applicationName())); #endif // QT_NO_TOOLTIP #ifndef QT_NO_STATUSTIP actionHelpCheck4Updates->setStatusTip(tr("Check for %1 updates").arg(QApplication::applicationName())); #endif // QT_NO_STATUSTIP #endif // Q_OS_WIN32 } bool MainWindow::saveTask() { QStringList filters(tr("%1 Task File").arg("TSPSG") + " (*.tspt)"); filters.append(tr("All Files") + " (*)"); QString file; if (fileName.endsWith(".tspt", Qt::CaseInsensitive)) file = fileName; else file = QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt"; QFileDialog::Options opts = settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool() ? QFileDialog::Options() : QFileDialog::DontUseNativeDialog; file = QFileDialog::getSaveFileName(this, tr("Task Save"), file, filters.join(";;"), NULL, opts); if (file.isEmpty()) return false; if (tspmodel->saveTask(file)) { setFileName(file); setWindowModified(false); return true; } return false; } void MainWindow::setFileName(const QString &fileName) { this->fileName = fileName; setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(tr("Travelling Salesman Problem"))); } void MainWindow::setupUi() { Ui::MainWindow::setupUi(this); #if QT_VERSION >= 0x040600 setToolButtonStyle(Qt::ToolButtonFollowStyle); #endif #ifndef HANDHELD QStatusBar *statusbar = new QStatusBar(this); statusbar->setObjectName("statusbar"); setStatusBar(statusbar); #endif // HANDHELD #ifdef Q_OS_WINCE_WM menuBar()->setDefaultAction(menuFile->menuAction()); QScrollArea *scrollArea = new QScrollArea(this); scrollArea->setFrameShape(QFrame::NoFrame); scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); scrollArea->setWidgetResizable(true); scrollArea->setWidget(tabWidget); setCentralWidget(scrollArea); #else setCentralWidget(tabWidget); #endif // Q_OS_WINCE_WM //! \hack HACK: A little hack for toolbar icons to have a sane size. #ifdef Q_OS_WINCE_WM toolBar->setIconSize(QSize(logicalDpiX() / 4, logicalDpiY() / 4)); #elif defined(Q_OS_SYMBIAN) toolBar->setIconSize(QSize(logicalDpiX() / 5, logicalDpiY() / 5)); #endif // Q_OS_WINCE_WM solutionText->document()->setDefaultFont(settings->value("Output/Font",QFont(DEF_FONT_FAMILY,DEF_FONT_SIZE)).value()); solutionText->setTextColor(settings->value("Output/Color",DEF_FONT_COLOR).value()); solutionText->setWordWrapMode(QTextOption::WordWrap); #ifndef QT_NO_PRINTER actionFilePrintPreview = new QAction(this); actionFilePrintPreview->setObjectName("actionFilePrintPreview"); actionFilePrintPreview->setEnabled(false); actionFilePrintPreview->setIcon(QIcon(":/images/icons/document_preview.png")); actionFilePrint = new QAction(this); actionFilePrint->setObjectName("actionFilePrint"); actionFilePrint->setEnabled(false); actionFilePrint->setIcon(QIcon(":/images/icons/fileprint.png")); menuFile->insertAction(actionFileExit,actionFilePrintPreview); menuFile->insertAction(actionFileExit,actionFilePrint); menuFile->insertSeparator(actionFileExit); toolBar->insertAction(actionSettingsPreferences,actionFilePrint); #endif // QT_NO_PRINTER #ifdef Q_OS_WIN32 actionHelpCheck4Updates = new QAction(this); actionHelpCheck4Updates->setEnabled(hasUpdater()); menuHelp->insertAction(actionHelpAboutQt, actionHelpCheck4Updates); menuHelp->insertSeparator(actionHelpAboutQt); #endif // Q_OS_WIN32 groupSettingsLanguageList = new QActionGroup(this); actionSettingsLanguageEnglish->setData("en"); actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList); loadLangList(); actionSettingsLanguageAutodetect->setChecked(settings->value("Language", "").toString().isEmpty()); spinCities->setMaximum(MAX_NUM_CITIES); retranslateUi(false); #ifdef Q_OS_WIN32 // Adding some eyecandy in Vista and 7 :-) if (QtWin::isCompositionEnabled() && settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool()) { toggleTranclucency(true); } #endif // Q_OS_WIN32 } void MainWindow::toggleSolutionActions(bool enable) { buttonSaveSolution->setEnabled(enable); actionFileSaveAsSolution->setEnabled(enable); solutionText->setEnabled(enable); #ifndef QT_NO_PRINTER actionFilePrint->setEnabled(enable); actionFilePrintPreview->setEnabled(enable); #endif // QT_NO_PRINTER } void MainWindow::toggleTranclucency(bool enable) { #ifdef Q_OS_WIN32 toggleStyle(labelVariant, enable); toggleStyle(labelCities, enable); toggleStyle(statusBar(), enable); tabWidget->setDocumentMode(enable); QtWin::enableBlurBehindWindow(this, enable); #else Q_UNUSED(enable); #endif // Q_OS_WIN32 }