/* * TSPSG: TSP Solver and Generator * Copyright (C) 2007-2009 Lёppa * * $Id: mainwindow.cpp 71 2009-12-07 16:06:44Z laleppa $ * $URL: https://tspsg.svn.sourceforge.net/svnroot/tspsg/trunk/src/mainwindow.cpp $ * * 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"); loadLanguage(); setupUi(this); #ifndef Q_OS_WINCE QStatusBar *statusbar = new QStatusBar(this); statusbar->setObjectName("statusbar"); setStatusBar(statusbar); #endif // Q_OS_WINCE initDocStyleSheet(); 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); #ifdef Q_OS_WINCE // A little hack for toolbar icons to have sane size. int s = qMin(QApplication::desktop()->screenGeometry().width(),QApplication::desktop()->screenGeometry().height()); toolBar->setIconSize(QSize(s / 10,s / 10)); #endif #ifndef QT_NO_PRINTER printer = new QPrinter(QPrinter::HighResolution); #endif // QT_NO_PRINTER groupSettingsLanguageList = new QActionGroup(this); actionSettingsLanguageEnglish->setData("en"); actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList); loadLangList(); spinCities->setMaximum(MAX_NUM_CITIES); actionSettingsLanguageAutodetect->setChecked(settings->value("Language","").toString().isEmpty()); 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())); connect(actionSettingsPreferences,SIGNAL(triggered()),this,SLOT(actionSettingsPreferencesTriggered())); 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())); #ifndef QT_NO_PRINTER menuFile->insertAction(actionFileExit,actionFilePrintPreview); menuFile->insertAction(actionFileExit,actionFilePrint); menuFile->insertSeparator(actionFileExit); toolBar->insertAction(actionSettingsPreferences,actionFilePrint); connect(actionFilePrintPreview,SIGNAL(triggered()),this,SLOT(actionFilePrintPreviewTriggered())); connect(actionFilePrint,SIGNAL(triggered()),this,SLOT(actionFilePrintTriggered())); #endif // QT_NO_PRINTER 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))); setCentralWidget(tabWidget); if (settings->value("SavePos", false).toBool()) { // Loading of saved window state settings->beginGroup("MainWindow"); #ifndef Q_OS_WINCE restoreGeometry(settings->value("Geometry").toByteArray()); #endif // Q_OS_WINCE restoreState(settings->value("State").toByteArray()); settings->endGroup(); #ifndef Q_OS_WINCE } else { // Centering main window QRect rect = geometry(); rect.moveCenter(QApplication::desktop()->availableGeometry(this).center()); setGeometry(rect); #endif // Q_OS_WINCE } qsrand(QDateTime().currentDateTime().toTime_t()); 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); } /* Privates **********************************************************/ void MainWindow::actionFileNewTriggered() { if (!maybeSave()) return; QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); tspmodel->clear(); setFileName(); setWindowModified(false); tabWidget->setCurrentIndex(0); solutionText->clear(); enableSolutionActions(false); QApplication::restoreOverrideCursor(); } void MainWindow::actionFileOpenTriggered() { if (!maybeSave()) return; QFileDialog od(this); od.setAcceptMode(QFileDialog::AcceptOpen); od.setFileMode(QFileDialog::ExistingFile); QStringList filters(trUtf8("All Supported Formats") + " (*.tspt *.zkt)"); filters.append(trUtf8("%1 Task Files").arg("TSPSG") + " (*.tspt)"); filters.append(trUtf8("%1 Task Files").arg("ZKomModRd") + " (*.zkt)"); filters.append(trUtf8("All Files") + " (*)"); od.setNameFilters(filters); if (od.exec() != QDialog::Accepted) return; QStringList files = od.selectedFiles(); if (files.empty()) return; if (!tspmodel->loadTask(files.first())) return; setFileName(files.first()); tabWidget->setCurrentIndex(0); setWindowModified(false); solutionText->clear(); enableSolutionActions(false); } void MainWindow::actionFileSaveTriggered() { if ((fileName == trUtf8("Untitled") + ".tspt") || (!fileName.endsWith(".tspt",Qt::CaseInsensitive))) saveTask(); else if (tspmodel->saveTask(fileName)) setWindowModified(false); } void MainWindow::actionFileSaveAsTaskTriggered() { saveTask(); } void MainWindow::actionFileSaveAsSolutionTriggered() { static QString selectedFile; if (selectedFile.isEmpty()) #ifndef QT_NO_PRINTER selectedFile = "solution.pdf"; #else selectedFile = "solution.html"; #endif // QT_NO_PRINTER QFileDialog sd(this); sd.setAcceptMode(QFileDialog::AcceptSave); QStringList filters; #ifndef QT_NO_PRINTER filters.append(trUtf8("PDF Files") + "(*.pdf)"); #endif filters.append(trUtf8("HTML Files") + " (*.html *.htm)"); #if QT_VERSION >= 0x040500 filters.append(trUtf8("OpenDocument Files") + " (*.odt)"); #endif // QT_VERSION >= 0x040500 filters.append(trUtf8("All Files") + " (*)"); sd.setNameFilters(filters); sd.selectFile(selectedFile); if (sd.exec() != QDialog::Accepted) return; QStringList files = sd.selectedFiles(); if (files.empty()) return; selectedFile = files.first(); 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"); dw.write(solutionText->document()); #else // Qt < 4.5 has no QTextDocumentWriter class QFile file(selectedFile); if (!file.open(QFile::WriteOnly)) { QApplication::restoreOverrideCursor(); 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()) { initDocStyleSheet(); if (!output.isEmpty() && sd.colorChanged() && (QMessageBox(QMessageBox::Question,trUtf8("Settings Changed"),trUtf8("You have changed color settings.\nDo you wish to apply them to current solution text?"),QMessageBox::Yes | QMessageBox::No,this).exec() == QMessageBox::Yes)) { QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); solutionText->clear(); solutionText->setHtml(output.join("")); QApplication::restoreOverrideCursor(); } } } void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked) { if (checked) { settings->remove("Language"); QMessageBox(QMessageBox::Information,trUtf8("Language change"),trUtf8("Language will be autodetected on next application start."),QMessageBox::Ok,this).exec(); } 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(QMessageBox::Question,trUtf8("Language change"),trUtf8("You have language autodetection turned on.\nIt needs to be off.\nDo you wish to turn it off?"),QMessageBox::Yes | QMessageBox::No,this).exec() == QMessageBox::Yes) { actionSettingsLanguageAutodetect->trigger(); } else return; } bool untitled = (fileName == trUtf8("Untitled") + ".tspt"); if (loadLanguage(action->data().toString())) { settings->setValue("Language",action->data().toString()); retranslateUi(this); if (untitled) setFileName(); } } void MainWindow::actionHelpAboutTriggered() { //! \todo TODO: Normal about window :-) QString about = QString::fromUtf8("TSPSG: TSP Solver and Generator\n"); about += QString::fromUtf8(" Version: "BUILD_VERSION"\n"); about += QString::fromUtf8(" Copyright (C) 2007-%1 Lёppa \n").arg(QDate::currentDate().toString("yyyy")); about += QString::fromUtf8("Target OS: %1\n").arg(OS); about += "Qt library:\n"; about += QString::fromUtf8(" Compile time: %1\n").arg(QT_VERSION_STR); about += QString::fromUtf8(" Runtime: %1\n").arg(qVersion()); about += QString::fromUtf8("Built on %1 at %2\n").arg(__DATE__).arg(__TIME__); about += QString::fromUtf8(VERSIONID"\n\n"); about += QString::fromUtf8("Algorithm: %1\n").arg(CTSPSolver::getVersionId()); about += "\n"; about += "TSPSG is licensed under the terms of the GNU General Public License. You should have received a copy of the GNU General Public License along with TSPSG."; QMessageBox(QMessageBox::Information,"About",about,QMessageBox::Ok,this).exec(); } 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(QMessageBox::Critical,trUtf8("Data error"),trUtf8("Error in cell [Row %1; Column %2]: Invalid data format.").arg(r + 1).arg(c + 1),QMessageBox::Ok,this).exec(); return; } } matrix.append(row); } CTSPSolver solver; sStep *root = solver.solve(n,matrix,this); if (!root) return; QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); QColor color = settings->value("Output/Color",DEF_FONT_COLOR).value(); output.clear(); output.append("

" + trUtf8("Variant #%1").arg(spinVariant->value()) + "

"); output.append("

" + trUtf8("Task:") + "

"); outputMatrix(matrix,output); output.append("
"); output.append("

" + trUtf8("Solution of Variant #%1 task").arg(spinVariant->value()) + "

"); sStep *step = root; n = 1; while (n <= spinCities->value()) { if (step->prNode->prNode != NULL || (step->prNode->prNode == NULL && step->plNode->prNode == NULL)) { if (n != spinCities->value()) { output.append("

" + trUtf8("Step #%1").arg(n++) + "

"); outputMatrix(step->matrix,output,step->candidate.nRow,step->candidate.nCol); if (step->alts) output.append("

" + trUtf8("This step has alternate candidates for branching.") + "

"); output.append("

 

"); } } if (step->prNode->prNode != NULL) step = step->prNode; else if (step->plNode->prNode != NULL) step = step->plNode; else break; } if (solver.isOptimal()) output.append("

" + trUtf8("Optimal path:") + "

"); else output.append("

" + trUtf8("Resulting path:") + "

"); output.append("

  " + solver.getSortedPath() + "

"); output.append("

" + trUtf8("The price is %1 units.").arg(step->price) + "

"); if (!solver.isOptimal()) { output.append("

 

"); output.append("

" + trUtf8("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.") + "

"); } output.append("

"); solutionText->setHtml(output.join("")); solutionText->setDocumentTitle(trUtf8("Solution of Variant #%1 task").arg(spinVariant->value())); // Scrolling to the end of text. QTextCursor cursor(solutionText->textCursor()); cursor.movePosition(QTextCursor::End, QTextCursor::MoveAnchor); solutionText->setTextCursor(cursor); enableSolutionActions(); tabWidget->setCurrentIndex(1); QApplication::restoreOverrideCursor(); } void MainWindow::dataChanged() { setWindowModified(true); } void MainWindow::dataChanged(const QModelIndex &tl, const QModelIndex &br) { setWindowModified(true); if (settings->value("Autosize",true).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); } } 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) { int count = tspmodel->numCities(); tspmodel->setNumCities(n); if ((n > count) && settings->value("Autosize",true).toBool()) for (int k = count; k < n; k++) { taskView->resizeColumnToContents(k); taskView->resizeRowToContents(k); } } void MainWindow::closeEvent(QCloseEvent *ev) { if (!maybeSave()) { ev->ignore(); return; } settings->setValue("NumCities", spinCities->value()); // Saving Main Window state if (settings->value("SavePos", false).toBool()) { settings->beginGroup("MainWindow"); #ifndef Q_OS_WINCE settings->setValue("Geometry", saveGeometry()); #endif // Q_OS_WINCE settings->setValue("State", saveState()); settings->endGroup(); } QMainWindow::closeEvent(ev); } void MainWindow::enableSolutionActions(bool enable) { buttonSaveSolution->setEnabled(enable); actionFileSaveAsSolution->setEnabled(enable); solutionText->setEnabled(enable); if (!enable) output.clear(); #ifndef QT_NO_PRINTER actionFilePrint->setEnabled(enable); actionFilePrintPreview->setEnabled(enable); #endif // QT_NO_PRINTER } 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() { QSettings langinfo(PATH_I18N"/languages.ini",QSettings::IniFormat); #if QT_VERSION >= 0x040500 // In Qt < 4.5 QSettings doesn't have method setIniCodec. langinfo.setIniCodec("UTF-8"); #endif QDir dir(PATH_I18N,"*.qm",QDir::Name | QDir::IgnoreCase,QDir::Files); if (!dir.exists()) return; QFileInfoList langs = dir.entryInfoList(); if (langs.size() <= 0) return; QAction *a; for (int k = 0; k < langs.size(); k++) { QFileInfo lang = langs.at(k); if (!lang.completeBaseName().startsWith("qt_") && lang.completeBaseName().compare("en")) { #if QT_VERSION >= 0x040500 a = menuSettingsLanguage->addAction(langinfo.value(lang.completeBaseName() + "/NativeName",lang.completeBaseName()).toString()); #else // We use Name if Qt < 4.5 because NativeName is in UTF-8, QSettings // reads .ini file as ASCII and there is no way to set file encoding. a = menuSettingsLanguage->addAction(langinfo.value(lang.completeBaseName() + "/Name",lang.completeBaseName()).toString()); #endif a->setData(lang.completeBaseName()); a->setCheckable(true); a->setActionGroup(groupSettingsLanguageList); if (settings->value("Language",QLocale::system().name()).toString().startsWith(lang.completeBaseName())) 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; } qtTranslator = new QTranslator(); static QTranslator *translator; // Application translator if (translator) { qApp->removeTranslator(translator); delete translator; } translator = new QTranslator(); if (lng.compare("en") && !lng.startsWith("en_")) { // Trying to load system Qt library translation... if (qtTranslator->load("qt_" + lng,QLibraryInfo::location(QLibraryInfo::TranslationsPath))) qApp->installTranslator(qtTranslator); else // No luck. Let's try to load bundled one. if (qtTranslator->load("qt_" + lng,PATH_I18N)) qApp->installTranslator(qtTranslator); else { // Qt library translation unavailable delete qtTranslator; qtTranslator = NULL; } // Now let's load application translation. if (translator->load(lng,PATH_I18N)) qApp->installTranslator(translator); else { if (!ad) QMessageBox(QMessageBox::Warning,trUtf8("Language Change"),trUtf8("Unable to load translation language."),QMessageBox::Ok,this).exec(); delete translator; translator = NULL; return false; } } return true; } bool MainWindow::maybeSave() { if (!isWindowModified()) return true; int res = QMessageBox(QMessageBox::Warning,trUtf8("Unsaved Changes"),trUtf8("Would you like to save changes in current task?"),QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel,this).exec(); if (res == QMessageBox::Save) return saveTask(); else if (res == QMessageBox::Cancel) return false; else return true; } void MainWindow::outputMatrix(const tMatrix &matrix, QStringList &output, int nRow, int nCol) { int n = spinCities->value(); QString 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 if ((r == nRow) && (c == nCol)) line += ""; else line += ""; } line += ""; output.append(line); } output.append("
"INFSTR"" + QVariant(matrix.at(r).at(c)).toString() + "" + QVariant(matrix.at(r).at(c)).toString() + "
"); } bool MainWindow::saveTask() { QFileDialog sd(this); sd.setAcceptMode(QFileDialog::AcceptSave); QStringList filters(trUtf8("%1 Task File").arg("TSPSG") + " (*.tspt)"); filters.append(trUtf8("All Files") + " (*)"); sd.setNameFilters(filters); sd.setDefaultSuffix("tspt"); if (fileName.endsWith(".tspt",Qt::CaseInsensitive)) sd.selectFile(fileName); else sd.selectFile(QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt"); if (sd.exec() != QDialog::Accepted) return false; QStringList files = sd.selectedFiles(); if (files.empty()) return false; if (tspmodel->saveTask(files.first())) { setFileName(files.first()); setWindowModified(false); return true; } return false; } void MainWindow::setFileName(const QString &fileName) { this->fileName = fileName; setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(trUtf8("Travelling Salesman Problem"))); }