source: tspsg-svn/trunk/src/mainwindow.cpp @ 30

Last change on this file since 30 was 30, checked in by laleppa, 16 years ago

English language should always be in language menu.

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File size: 9.9 KB
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[1]1/*
[6]2 *  TSPSG - TSP Solver and Generator
[17]3 *  Copyright (C) 2007-2009 Lёppa <contacts[at]oleksii[dot]name>
[1]4 *
[6]5 *  $Id: mainwindow.cpp 30 2009-06-25 13:02:11Z laleppa $
6 *  $URL: https://tspsg.svn.sourceforge.net/svnroot/tspsg/trunk/src/mainwindow.cpp $
[4]7 *
[6]8 *  This file is part of TSPSG.
[1]9 *
[6]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.
[1]14 *
[6]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.
[1]19 *
[6]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/>.
[1]22 */
23
24#include <QtGui>
[17]25#ifndef Q_OS_WINCE
26        #include <QPrintDialog>
27#endif // Q_OS_WINCE
[1]28#include "mainwindow.h"
29
30MainWindow::MainWindow(QWidget *parent)
[21]31        : QMainWindow(parent)
[1]32{
[29]33        settings = new QSettings(QSettings::IniFormat,QSettings::UserScope,"TSPSG","tspsg");
34        loadLanguage();
[1]35        setupUi(this);
[29]36#ifndef Q_OS_WINCE
37        printer = new QPrinter();
38#endif // Q_OS_WINCE
39        groupSettingsLanguageList = new QActionGroup(this);
[30]40        actionSettingsLanguageEnglish->setData("en");
41        actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
[29]42        loadLangList();
[23]43        spinCities->setValue(settings->value("NumCities",5).toInt());
[29]44        actionSettingsLanguageAutodetect->setChecked(settings->value("Language","").toString().isEmpty());
45        connect(actionFileNew,SIGNAL(triggered()),this,SLOT(actionFileNewTriggered()));
46        connect(actionSettingsPreferences,SIGNAL(triggered()),this,SLOT(actionSettingsPreferencesTriggered()));
47        connect(actionSettingsLanguageAutodetect,SIGNAL(triggered(bool)),this,SLOT(actionSettingsLanguageAutodetectTriggered(bool)));
48        connect(groupSettingsLanguageList,SIGNAL(triggered(QAction *)),this,SLOT(groupSettingsLanguageListTriggered(QAction *)));
49        connect(actionHelpAbout,SIGNAL(triggered()),this,SLOT(actionHelpAboutTriggered()));
[17]50#ifndef Q_OS_WINCE
[29]51        connect(actionFilePrintSetup,SIGNAL(triggered()),this,SLOT(actionFilePrintSetupTriggered()));
[17]52#endif // Q_OS_WINCE
[29]53        connect(buttonSolve,SIGNAL(clicked()),this,SLOT(buttonSolveClicked()));
54        connect(buttonRandom,SIGNAL(clicked()),this,SLOT(buttonRandomClicked()));
55        connect(spinCities,SIGNAL(valueChanged(int)),this,SLOT(spinCitiesValueChanged(int)));
[17]56QRect rect = geometry();
57#ifdef Q_OS_WINCE
58        // HACK: Fix for all tabWidget elements becoming "unclickable" if making it central widget.
59        rect.setSize(QApplication::desktop()->availableGeometry().size());
60        rect.setHeight(rect.height() - (QApplication::desktop()->screenGeometry().height() - QApplication::desktop()->availableGeometry().height()));
61        tabWidget->resize(rect.width(),rect.height() - toolBar->size().height());
62#else
[23]63        if (settings->value("SavePos",false).toBool()) {
[21]64                // Loading of saved window state
[23]65                settings->beginGroup("MainWindow");
66                resize(settings->value("Size",size()).toSize());
67                move(settings->value("Position",pos()).toPoint());
68                if (settings->value("Maximized",false).toBool())
[21]69                        setWindowState(windowState() | Qt::WindowMaximized);
[23]70                settings->endGroup();
[21]71        } else {
72                // Centering main window
73                rect.moveCenter(QApplication::desktop()->availableGeometry(this).center());
74                setGeometry(rect);
75        }
[17]76#endif // Q_OS_WINCE
[11]77        qsrand(QDateTime().currentDateTime().toTime_t());
[15]78        tspmodel = new CTSPModel();
79        tspmodel->setNumCities(spinCities->value());
80        taskView->setModel(tspmodel);
[21]81#ifdef Q_OS_WINCE
82        taskView->resizeColumnsToContents();
83        taskView->resizeRowsToContents();
84#endif // Q_OS_WINCE
[6]85}
86
[30]87bool MainWindow::loadLanguage(QString lang)
[4]88{
[29]89// i18n
[30]90bool ad = false;
91        if (lang.isEmpty()) {
92                ad = settings->value("Language","").toString().isEmpty();
93                lang = settings->value("Language",QLocale::system().name()).toString();
94        }
[29]95static QTranslator *qtTranslator;
96        if (qtTranslator) {
97                qApp->removeTranslator(qtTranslator);
98                delete qtTranslator;
99                qtTranslator = NULL;
100        }
101        qtTranslator = new QTranslator();
[30]102static QTranslator *translator;
103        if (translator) {
104                qApp->removeTranslator(translator);
105                delete translator;
106        }
107        translator = new QTranslator();
[29]108        if (lang.compare("en") && !lang.startsWith("en_")) {
109                // Trying to load system Qt library translation...
110                if (qtTranslator->load("qt_" + lang,QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
111                        qApp->installTranslator(qtTranslator);
112                else
113                        // No luck. Let's try to load bundled one.
114                        if (qtTranslator->load("qt_" + lang,"i18n"))
115                                qApp->installTranslator(qtTranslator);
116                        else {
117                                delete qtTranslator;
118                                qtTranslator = NULL;
119                        }
[30]120                // Now let's load application translation.
[29]121                if (translator->load(lang,"i18n"))
122                        qApp->installTranslator(translator);
123                else {
124                        if (!ad)
125                                QMessageBox(QMessageBox::Warning,trUtf8("Language change"),trUtf8("Unable to load translation language."),QMessageBox::Ok,this).exec();
126                        delete translator;
127                        translator = NULL;
128                        return false;
129                }
130        }
131        return true;
132}
133
134void MainWindow::spinCitiesValueChanged(int n)
135{
[21]136#ifdef Q_OS_WINCE
137int count = tspmodel->numCities();
138#endif // Q_OS_WINCE
[15]139        tspmodel->setNumCities(n);
[21]140#ifdef Q_OS_WINCE
141        if (n > count)
142                for (int k = count; k < n; k++) {
143                        taskView->resizeColumnToContents(k);
144                        taskView->resizeRowToContents(k);
145                }
146#endif // Q_OS_WINCE
[1]147}
148
[29]149
150void MainWindow::actionFileNewTriggered()
[1]151{
[29]152        tspmodel->clear();
153}
154
155void MainWindow::actionSettingsPreferencesTriggered()
156{
[1]157SettingsDialog sd(this);
[21]158        sd.exec();
[1]159}
[6]160
[17]161#ifndef Q_OS_WINCE
[29]162void MainWindow::actionFilePrintSetupTriggered()
[17]163{
[29]164QPrintDialog pd(printer,this);
165        pd.setOption(QAbstractPrintDialog::PrintSelection,false);
166        pd.setOption(QAbstractPrintDialog::PrintPageRange,false);
[17]167        pd.exec();
168}
169#endif // Q_OS_WINCE
170
[29]171void MainWindow::buttonRandomClicked()
[6]172{
[15]173        tspmodel->randomize();
[21]174#ifdef Q_OS_WINCE
175        taskView->resizeColumnsToContents();
176        taskView->resizeRowsToContents();
177#endif // Q_OS_WINCE
[6]178}
179
[29]180void MainWindow::buttonSolveClicked()
[6]181{
[13]182        // TODO: Task solving goes here :-)
183tMatrix matrix;
184double *row;
[15]185int n = spinCities->value();
[13]186bool ok;
[15]187        for (int r = 0; r < n; r++) {
188                row = new double[n];
189                for (int c = 0; c < n; c++) {
190                        row[c] = tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok);
191                        if (!ok) {
[27]192                                QMessageBox(QMessageBox::Critical,trUtf8("Data error"),QString(trUtf8("Error in cell [Row %1; Column %2]: Invalid data format.")).arg(r + 1).arg(c + 1),QMessageBox::Ok,this).exec();
[15]193                                return;
[13]194                        }
195                }
196                matrix.append(row);
197        }
198CTSPSolver solver;
199sStep *root = solver.solve(spinCities->value(),matrix);
200        if (!root)
[27]201                QMessageBox(QMessageBox::Critical,trUtf8("Solution error"),trUtf8("There was an error while solving the task."),QMessageBox::Ok,this).exec();
[12]202        // tabWidget->setCurrentIndex(1);
[6]203}
[21]204
[29]205void MainWindow::actionHelpAboutTriggered()
[21]206{
207        // TODO: Normal about window :-)
[30]208QString about = QString::fromUtf8("TSPSG - TSP Solver and Generator\n");
209about += QString::fromUtf8("    Copyright (C) 2007-%1 Lёppa <contacts[at]oleksii[dot]name>\n").arg(QDate::currentDate().toString("yyyy"));
210        about += "Qt library versions:\n";
211        about += QString::fromUtf8("    Compile time: %1\n").arg(QT_VERSION_STR);
212        about += QString::fromUtf8("    Runtime: %1\n").arg(qVersion());
213        about += "\n";
214        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.";
[27]215        QMessageBox(QMessageBox::Information,"About",about,QMessageBox::Ok,this).exec();
[21]216}
217
[29]218void MainWindow::loadLangList()
219{
220QSettings langinfo("i18n/languages.ini",QSettings::IniFormat);
221        langinfo.setIniCodec("UTF-8");
222QDir dir("i18n","*.qm",QDir::Name | QDir::IgnoreCase,QDir::Files);
223        if (!dir.exists())
224                return;
225QFileInfoList langs = dir.entryInfoList();
226        if (langs.size() <= 0)
227                return;
228QAction *a;
229        for (int k = 0; k < langs.size(); k++) {
230                QFileInfo lang = langs.at(k);
[30]231                if (!lang.completeBaseName().startsWith("qt_") && lang.completeBaseName().compare("en")) {
[29]232                        a = menuSettingsLanguage->addAction(langinfo.value(lang.completeBaseName() + "/NativeName",lang.completeBaseName()).toString());
233                        a->setData(lang.completeBaseName());
234                        a->setCheckable(true);
235                        a->setActionGroup(groupSettingsLanguageList);
236                        if (settings->value("Language",QLocale::system().name()).toString().startsWith(lang.completeBaseName()))
237                                a->setChecked(true);
238                }
239        }
240}
241
242void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked)
243{
244        if (checked) {
245                settings->remove("Language");
246                QMessageBox(QMessageBox::Information,trUtf8("Language change"),trUtf8("Language will be autodetected on next application start."),QMessageBox::Ok,this).exec();
247        } else
248                settings->setValue("Language",groupSettingsLanguageList->checkedAction()->data().toString());
249}
250
251void MainWindow::groupSettingsLanguageListTriggered(QAction *action)
252{
253        if (actionSettingsLanguageAutodetect->isChecked()) {
254                // We have language autodetection. It needs to be disabled to change language.
255                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) {
256                        actionSettingsLanguageAutodetect->trigger();
257                } else
258                        return;
259        }
[30]260        if (loadLanguage(action->data().toString())) {
[29]261                settings->setValue("Language",action->data().toString());
262                retranslateUi(this);
263        }
264}
265
[21]266void MainWindow::closeEvent(QCloseEvent *event)
267{
[26]268        settings->setValue("NumCities",spinCities->value());
269#ifndef Q_OS_WINCE
[21]270        // Saving windows state
[23]271        if (settings->value("SavePos",false).toBool()) {
272                settings->beginGroup("MainWindow");
273                settings->setValue("Maximized",isMaximized());
[21]274                if (!isMaximized()) {
[23]275                        settings->setValue("Size",size());
276                        settings->setValue("Position",pos());
[21]277                }
[23]278                settings->endGroup();
[21]279        }
[26]280#endif // Q_OS_WINCE
[21]281        QMainWindow::closeEvent(event);
282}
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