Context Navigation

source: tspsg-svn/trunk/src/mainwindow.cpp @ 37

Last change on this file since 37 was 37, checked in by laleppa, 15 years ago

+ Task save prompt before creating or opening task and closing application if current task was modified.

Translation updates.

Property svn:keywords set to Id URL

File size: 13.3 KB

Rev	Line
[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 37 2009-07-16 16:00:27Z 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 "mainwindow.h"
	25
	26	MainWindow::MainWindow(QWidget *parent)
[21]	27	: QMainWindow(parent)
[1]	28	{
[29]	29	settings = new QSettings(QSettings::IniFormat,QSettings::UserScope,"TSPSG","tspsg");
	30	loadLanguage();
[1]	31	setupUi(this);
[29]	32	#ifndef Q_OS_WINCE
	33	printer = new QPrinter();
	34	#endif // Q_OS_WINCE
	35	groupSettingsLanguageList = new QActionGroup(this);
[30]	36	actionSettingsLanguageEnglish->setData("en");
	37	actionSettingsLanguageEnglish->setActionGroup(groupSettingsLanguageList);
[29]	38	loadLangList();
[23]	39	spinCities->setValue(settings->value("NumCities",5).toInt());
[29]	40	actionSettingsLanguageAutodetect->setChecked(settings->value("Language","").toString().isEmpty());
	41	connect(actionFileNew,SIGNAL(triggered()),this,SLOT(actionFileNewTriggered()));
[31]	42	connect(actionFileOpen,SIGNAL(triggered()),this,SLOT(actionFileOpenTriggered()));
	43	connect(actionFileSaveTask,SIGNAL(triggered()),this,SLOT(actionFileSaveTaskTriggered()));
[29]	44	connect(actionSettingsPreferences,SIGNAL(triggered()),this,SLOT(actionSettingsPreferencesTriggered()));
	45	connect(actionSettingsLanguageAutodetect,SIGNAL(triggered(bool)),this,SLOT(actionSettingsLanguageAutodetectTriggered(bool)));
	46	connect(groupSettingsLanguageList,SIGNAL(triggered(QAction )),this,SLOT(groupSettingsLanguageListTriggered(QAction )));
[37]	47	connect(actionHelpAboutQt,SIGNAL(triggered()),qApp,SLOT(aboutQt()));
[29]	48	connect(actionHelpAbout,SIGNAL(triggered()),this,SLOT(actionHelpAboutTriggered()));
[17]	49	#ifndef Q_OS_WINCE
[29]	50	connect(actionFilePrintSetup,SIGNAL(triggered()),this,SLOT(actionFilePrintSetupTriggered()));
[17]	51	#endif // Q_OS_WINCE
[29]	52	connect(buttonSolve,SIGNAL(clicked()),this,SLOT(buttonSolveClicked()));
	53	connect(buttonRandom,SIGNAL(clicked()),this,SLOT(buttonRandomClicked()));
	54	connect(spinCities,SIGNAL(valueChanged(int)),this,SLOT(spinCitiesValueChanged(int)));
[17]	55	QRect rect = geometry();
	56	#ifdef Q_OS_WINCE
	57	// HACK: Fix for all tabWidget elements becoming "unclickable" if making it central widget.
	58	rect.setSize(QApplication::desktop()->availableGeometry().size());
	59	rect.setHeight(rect.height() - (QApplication::desktop()->screenGeometry().height() - QApplication::desktop()->availableGeometry().height()));
	60	tabWidget->resize(rect.width(),rect.height() - toolBar->size().height());
	61	#else
[23]	62	if (settings->value("SavePos",false).toBool()) {
[21]	63	// Loading of saved window state
[23]	64	settings->beginGroup("MainWindow");
	65	resize(settings->value("Size",size()).toSize());
	66	move(settings->value("Position",pos()).toPoint());
	67	if (settings->value("Maximized",false).toBool())
[21]	68	setWindowState(windowState() \| Qt::WindowMaximized);
[23]	69	settings->endGroup();
[21]	70	} else {
	71	// Centering main window
	72	rect.moveCenter(QApplication::desktop()->availableGeometry(this).center());
	73	setGeometry(rect);
	74	}
[17]	75	#endif // Q_OS_WINCE
[11]	76	qsrand(QDateTime().currentDateTime().toTime_t());
[15]	77	tspmodel = new CTSPModel();
	78	tspmodel->setNumCities(spinCities->value());
	79	taskView->setModel(tspmodel);
[31]	80	connect(tspmodel,SIGNAL(numCitiesChanged(int)),this,SLOT(numCitiesChanged(int)));
[37]	81	connect(tspmodel,SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),this,SLOT(dataChanged()));
	82	connect(tspmodel,SIGNAL(layoutChanged()),this,SLOT(dataChanged()));
[21]	83	#ifdef Q_OS_WINCE
	84	taskView->resizeColumnsToContents();
	85	taskView->resizeRowsToContents();
	86	#endif // Q_OS_WINCE
[6]	87	}
	88
[30]	89	bool MainWindow::loadLanguage(QString lang)
[4]	90	{
[29]	91	// i18n
[30]	92	bool ad = false;
	93	if (lang.isEmpty()) {
	94	ad = settings->value("Language","").toString().isEmpty();
	95	lang = settings->value("Language",QLocale::system().name()).toString();
	96	}
[29]	97	static QTranslator *qtTranslator;
	98	if (qtTranslator) {
	99	qApp->removeTranslator(qtTranslator);
	100	delete qtTranslator;
	101	qtTranslator = NULL;
	102	}
	103	qtTranslator = new QTranslator();
[30]	104	static QTranslator *translator;
	105	if (translator) {
	106	qApp->removeTranslator(translator);
	107	delete translator;
	108	}
	109	translator = new QTranslator();
[29]	110	if (lang.compare("en") && !lang.startsWith("en_")) {
	111	// Trying to load system Qt library translation...
	112	if (qtTranslator->load("qt_" + lang,QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
	113	qApp->installTranslator(qtTranslator);
	114	else
	115	// No luck. Let's try to load bundled one.
	116	if (qtTranslator->load("qt_" + lang,"i18n"))
	117	qApp->installTranslator(qtTranslator);
	118	else {
	119	delete qtTranslator;
	120	qtTranslator = NULL;
	121	}
[30]	122	// Now let's load application translation.
[29]	123	if (translator->load(lang,"i18n"))
	124	qApp->installTranslator(translator);
	125	else {
	126	if (!ad)
	127	QMessageBox(QMessageBox::Warning,trUtf8("Language change"),trUtf8("Unable to load translation language."),QMessageBox::Ok,this).exec();
	128	delete translator;
	129	translator = NULL;
	130	return false;
	131	}
	132	}
	133	return true;
	134	}
	135
	136	void MainWindow::spinCitiesValueChanged(int n)
	137	{
[21]	138	#ifdef Q_OS_WINCE
	139	int count = tspmodel->numCities();
	140	#endif // Q_OS_WINCE
[15]	141	tspmodel->setNumCities(n);
[21]	142	#ifdef Q_OS_WINCE
	143	if (n > count)
	144	for (int k = count; k < n; k++) {
	145	taskView->resizeColumnToContents(k);
	146	taskView->resizeRowToContents(k);
	147	}
	148	#endif // Q_OS_WINCE
[1]	149	}
	150
[29]	151
	152	void MainWindow::actionFileNewTriggered()
[1]	153	{
[37]	154	if (isWindowModified()) {
	155	int res = QMessageBox(QMessageBox::Warning,trUtf8("New Task"),trUtf8("Would you like to save changes in current task?"),QMessageBox::Yes \| QMessageBox::No \| QMessageBox::Cancel,this).exec();
	156	if ((res == QMessageBox::Cancel) \|\| ((res == QMessageBox::Yes) && !saveTask()))
	157	return;
	158	}
[29]	159	tspmodel->clear();
[37]	160	setWindowModified(false);
[29]	161	}
	162
[31]	163	void MainWindow::actionFileOpenTriggered()
	164	{
[37]	165	if (isWindowModified()) {
	166	int res = QMessageBox(QMessageBox::Warning,trUtf8("Task Open"),trUtf8("Would you like to save changes in current task?"),QMessageBox::Yes \| QMessageBox::No \| QMessageBox::Cancel,this).exec();
	167	if ((res == QMessageBox::Cancel) \|\| ((res == QMessageBox::Yes) && !saveTask()))
	168	return;
	169	}
[31]	170	QFileDialog od(this);
	171	od.setAcceptMode(QFileDialog::AcceptOpen);
	172	od.setFileMode(QFileDialog::ExistingFile);
	173	QStringList filters(trUtf8("All Supported Formats") + " (.tspt .zkt)");
	174	filters.append(QString(trUtf8("%1 Task Files")).arg("TSPSG") + " (*.tspt)");
	175	filters.append(QString(trUtf8("%1 Task Files")).arg("ZKomModRd") + " (*.zkt)");
	176	filters.append(trUtf8("All Files") + " (*)");
	177	od.setNameFilters(filters);
	178	if (od.exec() != QDialog::Accepted)
	179	return;
	180	QStringList files = od.selectedFiles();
	181	if (files.size() < 1)
	182	return;
	183	tspmodel->loadTask(files.first());
[37]	184	setWindowModified(false);
[31]	185	}
	186
	187	void MainWindow::actionFileSaveTaskTriggered()
	188	{
[37]	189	saveTask();
	190	}
	191
	192	bool MainWindow::saveTask() {
[31]	193	QFileDialog sd(this);
	194	sd.setAcceptMode(QFileDialog::AcceptSave);
	195	QStringList filters(QString(trUtf8("%1 Task File")).arg("TSPSG") + " (*.tspt)");
	196	filters.append(trUtf8("All Files") + " (*)");
	197	sd.setNameFilters(filters);
	198	sd.setDefaultSuffix("tspt");
	199	if (sd.exec() != QDialog::Accepted)
[37]	200	return false;
[31]	201	QStringList files = sd.selectedFiles();
	202	if (files.size() < 1)
[37]	203	return false;
	204	if (tspmodel->saveTask(files.first())) {
	205	setWindowModified(false);
	206	return true;
	207	} else
	208	return false;
[31]	209	}
	210
[29]	211	void MainWindow::actionSettingsPreferencesTriggered()
	212	{
[1]	213	SettingsDialog sd(this);
[21]	214	sd.exec();
[1]	215	}
[6]	216
[17]	217	#ifndef Q_OS_WINCE
[29]	218	void MainWindow::actionFilePrintSetupTriggered()
[17]	219	{
[29]	220	QPrintDialog pd(printer,this);
[33]	221	#if QT_VERSION >= 0x040500
	222	// No such methods in Qt < 4.5
[29]	223	pd.setOption(QAbstractPrintDialog::PrintSelection,false);
	224	pd.setOption(QAbstractPrintDialog::PrintPageRange,false);
[33]	225	#endif
[17]	226	pd.exec();
	227	}
	228	#endif // Q_OS_WINCE
	229
[29]	230	void MainWindow::buttonRandomClicked()
[6]	231	{
[15]	232	tspmodel->randomize();
[37]	233	setWindowModified(true);
[21]	234	#ifdef Q_OS_WINCE
	235	taskView->resizeColumnsToContents();
	236	taskView->resizeRowsToContents();
	237	#endif // Q_OS_WINCE
[6]	238	}
	239
[29]	240	void MainWindow::buttonSolveClicked()
[6]	241	{
[13]	242	// TODO: Task solving goes here :-)
	243	tMatrix matrix;
	244	double *row;
[15]	245	int n = spinCities->value();
[13]	246	bool ok;
[15]	247	for (int r = 0; r < n; r++) {
	248	row = new double[n];
	249	for (int c = 0; c < n; c++) {
	250	row[c] = tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok);
	251	if (!ok) {
[27]	252	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]	253	return;
[13]	254	}
	255	}
	256	matrix.append(row);
	257	}
	258	CTSPSolver solver;
	259	sStep *root = solver.solve(spinCities->value(),matrix);
	260	if (!root)
[27]	261	QMessageBox(QMessageBox::Critical,trUtf8("Solution error"),trUtf8("There was an error while solving the task."),QMessageBox::Ok,this).exec();
[12]	262	// tabWidget->setCurrentIndex(1);
[6]	263	}
[21]	264
[29]	265	void MainWindow::actionHelpAboutTriggered()
[21]	266	{
	267	// TODO: Normal about window :-)
[30]	268	QString about = QString::fromUtf8("TSPSG - TSP Solver and Generator\n");
	269	about += QString::fromUtf8(" Copyright (C) 2007-%1 Lёppa <contacts[at]oleksii[dot]name>\n").arg(QDate::currentDate().toString("yyyy"));
[37]	270	about += QString::fromUtf8("Target OS: %1\n").arg(OS);
	271	about += "Qt library:\n";
[30]	272	about += QString::fromUtf8(" Compile time: %1\n").arg(QT_VERSION_STR);
	273	about += QString::fromUtf8(" Runtime: %1\n").arg(qVersion());
	274	about += "\n";
	275	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]	276	QMessageBox(QMessageBox::Information,"About",about,QMessageBox::Ok,this).exec();
[21]	277	}
	278
[29]	279	void MainWindow::loadLangList()
	280	{
	281	QSettings langinfo("i18n/languages.ini",QSettings::IniFormat);
[33]	282	#if QT_VERSION >= 0x040500
	283	// In Qt < 4.5 QSettings doesn't have method setIniCodec.
[29]	284	langinfo.setIniCodec("UTF-8");
[33]	285	#endif
[29]	286	QDir dir("i18n","*.qm",QDir::Name \| QDir::IgnoreCase,QDir::Files);
	287	if (!dir.exists())
	288	return;
	289	QFileInfoList langs = dir.entryInfoList();
	290	if (langs.size() <= 0)
	291	return;
	292	QAction *a;
	293	for (int k = 0; k < langs.size(); k++) {
	294	QFileInfo lang = langs.at(k);
[30]	295	if (!lang.completeBaseName().startsWith("qt_") && lang.completeBaseName().compare("en")) {
[33]	296	#if QT_VERSION >= 0x040500
[29]	297	a = menuSettingsLanguage->addAction(langinfo.value(lang.completeBaseName() + "/NativeName",lang.completeBaseName()).toString());
[33]	298	#else
	299	// We use Name if Qt < 4.5 because NativeName is in UTF-8, QSettings
	300	// reads .ini file as ASCII and there is no way to set file encoding.
	301	a = menuSettingsLanguage->addAction(langinfo.value(lang.completeBaseName() + "/Name",lang.completeBaseName()).toString());
	302	#endif
[29]	303	a->setData(lang.completeBaseName());
	304	a->setCheckable(true);
	305	a->setActionGroup(groupSettingsLanguageList);
	306	if (settings->value("Language",QLocale::system().name()).toString().startsWith(lang.completeBaseName()))
	307	a->setChecked(true);
	308	}
	309	}
	310	}
	311
	312	void MainWindow::actionSettingsLanguageAutodetectTriggered(bool checked)
	313	{
	314	if (checked) {
	315	settings->remove("Language");
	316	QMessageBox(QMessageBox::Information,trUtf8("Language change"),trUtf8("Language will be autodetected on next application start."),QMessageBox::Ok,this).exec();
	317	} else
	318	settings->setValue("Language",groupSettingsLanguageList->checkedAction()->data().toString());
	319	}
	320
	321	void MainWindow::groupSettingsLanguageListTriggered(QAction *action)
	322	{
	323	if (actionSettingsLanguageAutodetect->isChecked()) {
	324	// We have language autodetection. It needs to be disabled to change language.
	325	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) {
	326	actionSettingsLanguageAutodetect->trigger();
	327	} else
	328	return;
	329	}
[30]	330	if (loadLanguage(action->data().toString())) {
[29]	331	settings->setValue("Language",action->data().toString());
	332	retranslateUi(this);
	333	}
	334	}
	335
[21]	336	void MainWindow::closeEvent(QCloseEvent *event)
	337	{
[37]	338	if (isWindowModified()) {
	339	int res = QMessageBox(QMessageBox::Warning,trUtf8("Application Close"),trUtf8("Would you like to save changes in current task?"),QMessageBox::Yes \| QMessageBox::No \| QMessageBox::Cancel,this).exec();
	340	if ((res == QMessageBox::Cancel) \|\| ((res == QMessageBox::Yes) && !saveTask())) {
	341	event->ignore();
	342	return;
	343	}
	344	}
[26]	345	settings->setValue("NumCities",spinCities->value());
	346	#ifndef Q_OS_WINCE
[21]	347	// Saving windows state
[23]	348	if (settings->value("SavePos",false).toBool()) {
	349	settings->beginGroup("MainWindow");
	350	settings->setValue("Maximized",isMaximized());
[21]	351	if (!isMaximized()) {
[23]	352	settings->setValue("Size",size());
	353	settings->setValue("Position",pos());
[21]	354	}
[23]	355	settings->endGroup();
[21]	356	}
[26]	357	#endif // Q_OS_WINCE
[21]	358	QMainWindow::closeEvent(event);
	359	}
[31]	360
[37]	361	void MainWindow::dataChanged()
	362	{
	363	setWindowModified(true);
	364	}
	365
[31]	366	void MainWindow::numCitiesChanged(int nCities)
	367	{
	368	spinCities->setValue(nCities);
	369	}

Note: See TracBrowser for help on using the repository browser.

Download in other formats: