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286 lines
8.3 KiB
286 lines
8.3 KiB
%{CPP_TEMPLATE}
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#include <QtGui>
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#include "%{APPNAMELC}.h"
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#include <QTextEdit>
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#include <QTextStream>
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#include <QCloseEvent>
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#include <QFileDialog>
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%{APPNAME}::%{APPNAME}()
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{
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textEdit = new QTextEdit;
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setCentralWidget(textEdit);
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createActions();
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createMenus();
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createToolBars();
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createStatusBar();
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readSettings();
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connect(textEdit->document(), SIGNAL(contentsChanged()),
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this, SLOT(documentWasModified()));
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setCurrentFile("");
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}
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void %{APPNAME}::closeEvent(QCloseEvent *event)
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{
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if (maybeSave()) {
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writeSettings();
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event->accept();
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} else {
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event->ignore();
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}
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}
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void %{APPNAME}::newFile()
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{
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if (maybeSave()) {
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textEdit->clear();
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setCurrentFile("");
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}
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}
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void %{APPNAME}::open()
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{
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if (maybeSave()) {
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QString fileName = QFileDialog::getOpenFileName(this);
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if (!fileName.isEmpty())
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loadFile(fileName);
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}
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}
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bool %{APPNAME}::save()
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{
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if (curFile.isEmpty()) {
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return saveAs();
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} else {
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return saveFile(curFile);
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}
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}
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bool %{APPNAME}::saveAs()
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{
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QString fileName = QFileDialog::getSaveFileName(this);
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if (fileName.isEmpty())
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return false;
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return saveFile(fileName);
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}
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void %{APPNAME}::about()
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{
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QMessageBox::about(this, tr("About Application"),
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tr("The <b>Application</b> example demonstrates how to "
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"write modern GUI applications using Qt, with a menu bar, "
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"toolbars, and a status bar."));
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}
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void %{APPNAME}::documentWasModified()
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{
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setWindowModified(true);
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}
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void %{APPNAME}::createActions()
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{
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newAct = new QAction(QIcon(":/filenew.xpm"), tr("&New"), this);
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newAct->setShortcut(tr("Ctrl+N"));
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newAct->setStatusTip(tr("Create a new file"));
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connect(newAct, SIGNAL(triggered()), this, SLOT(newFile()));
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openAct = new QAction(QIcon(":/fileopen.xpm"), tr("&Open..."), this);
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openAct->setShortcut(tr("Ctrl+O"));
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openAct->setStatusTip(tr("Open an existing file"));
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connect(openAct, SIGNAL(triggered()), this, SLOT(open()));
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saveAct = new QAction(QIcon(":/filesave.xpm"), tr("&Save"), this);
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saveAct->setShortcut(tr("Ctrl+S"));
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saveAct->setStatusTip(tr("Save the document to disk"));
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connect(saveAct, SIGNAL(triggered()), this, SLOT(save()));
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saveAsAct = new QAction(tr("Save &As..."), this);
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saveAsAct->setStatusTip(tr("Save the document under a new name"));
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connect(saveAsAct, SIGNAL(triggered()), this, SLOT(saveAs()));
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exitAct = new QAction(tr("E&xit"), this);
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exitAct->setShortcut(tr("Ctrl+Q"));
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exitAct->setStatusTip(tr("Exit the application"));
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connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
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cutAct = new QAction(QIcon(":/editcut.xpm"), tr("Cu&t"), this);
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cutAct->setShortcut(tr("Ctrl+X"));
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cutAct->setStatusTip(tr("Cut the current selection's contents to the "
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"clipboard"));
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connect(cutAct, SIGNAL(triggered()), textEdit, SLOT(cut()));
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copyAct = new QAction(QIcon(":/editcopy.xpm"), tr("&Copy"), this);
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copyAct->setShortcut(tr("Ctrl+C"));
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copyAct->setStatusTip(tr("Copy the current selection's contents to the "
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"clipboard"));
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connect(copyAct, SIGNAL(triggered()), textEdit, SLOT(copy()));
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pasteAct = new QAction(QIcon(":/editpaste.xpm"), tr("&Paste"), this);
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pasteAct->setShortcut(tr("Ctrl+V"));
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pasteAct->setStatusTip(tr("Paste the clipboard's contents into the current "
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"selection"));
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connect(pasteAct, SIGNAL(triggered()), textEdit, SLOT(paste()));
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aboutAct = new QAction(tr("&About"), this);
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aboutAct->setStatusTip(tr("Show the application's About box"));
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connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
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aboutQtAct = new QAction(tr("About &Qt"), this);
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aboutQtAct->setStatusTip(tr("Show the Qt library's About box"));
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connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
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cutAct->setEnabled(false);
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copyAct->setEnabled(false);
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connect(textEdit, SIGNAL(copyAvailable(bool)),
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cutAct, SLOT(setEnabled(bool)));
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connect(textEdit, SIGNAL(copyAvailable(bool)),
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copyAct, SLOT(setEnabled(bool)));
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}
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void %{APPNAME}::createMenus()
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{
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fileMenu = menuBar()->addMenu(tr("&File"));
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fileMenu->addAction(newAct);
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fileMenu->addAction(openAct);
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fileMenu->addAction(saveAct);
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fileMenu->addAction(saveAsAct);
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fileMenu->addSeparator();
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fileMenu->addAction(exitAct);
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editMenu = menuBar()->addMenu(tr("&Edit"));
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editMenu->addAction(cutAct);
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editMenu->addAction(copyAct);
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editMenu->addAction(pasteAct);
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menuBar()->addSeparator();
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helpMenu = menuBar()->addMenu(tr("&Help"));
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helpMenu->addAction(aboutAct);
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helpMenu->addAction(aboutQtAct);
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}
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void %{APPNAME}::createToolBars()
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{
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fileToolBar = addToolBar(tr("File"));
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fileToolBar->addAction(newAct);
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fileToolBar->addAction(openAct);
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fileToolBar->addAction(saveAct);
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editToolBar = addToolBar(tr("Edit"));
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editToolBar->addAction(cutAct);
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editToolBar->addAction(copyAct);
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editToolBar->addAction(pasteAct);
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}
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void %{APPNAME}::createStatusBar()
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{
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statusBar()->showMessage(tr("Ready"));
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}
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void %{APPNAME}::readSettings()
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{
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QSettings settings("Trolltech", "Application Example");
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QPoint pos = settings.value("pos", QPoint(200, 200)).toPoint();
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QSize size = settings.value("size", QSize(400, 400)).toSize();
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resize(size);
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move(pos);
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}
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void %{APPNAME}::writeSettings()
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{
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QSettings settings("Trolltech", "Application Example");
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settings.setValue("pos", pos());
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settings.setValue("size", size());
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}
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bool %{APPNAME}::maybeSave()
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{
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if (textEdit->document()->isModified()) {
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int ret = QMessageBox::warning(this, tr("Application"),
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tr("The document has been modified.\n"
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"Do you want to save your changes?"),
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QMessageBox::Yes | QMessageBox::Default,
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QMessageBox::No,
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QMessageBox::Cancel | QMessageBox::Escape);
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if (ret == QMessageBox::Yes)
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return save();
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else if (ret == QMessageBox::Cancel)
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return false;
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}
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return true;
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}
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void %{APPNAME}::loadFile(const QString &fileName)
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{
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QFile file(fileName);
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if (!file.open(QFile::ReadOnly | QFile::Text)) {
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QMessageBox::warning(this, tr("Application"),
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tr("Cannot read file %1:\n%2.")
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.arg(fileName)
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.arg(file.errorString()));
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return;
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}
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QTextStream in(&file);
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QApplication::setOverrideCursor(Qt::WaitCursor);
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textEdit->setPlainText(in.readAll());
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QApplication::restoreOverrideCursor();
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setCurrentFile(fileName);
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statusBar()->showMessage(tr("File loaded"), 2000);
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}
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bool %{APPNAME}::saveFile(const QString &fileName)
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{
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QFile file(fileName);
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if (!file.open(QFile::WriteOnly | QFile::Text)) {
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QMessageBox::warning(this, tr("Application"),
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tr("Cannot write file %1:\n%2.")
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.arg(fileName)
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.arg(file.errorString()));
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return false;
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}
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QTextStream out(&file);
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QApplication::setOverrideCursor(Qt::WaitCursor);
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out << textEdit->toPlainText();
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QApplication::restoreOverrideCursor();
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setCurrentFile(fileName);
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statusBar()->showMessage(tr("File saved"), 2000);
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return true;
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}
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void %{APPNAME}::setCurrentFile(const QString &fileName)
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{
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curFile = fileName;
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textEdit->document()->setModified(false);
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setWindowModified(false);
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QString shownName;
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if (curFile.isEmpty())
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shownName = "untitled.txt";
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else
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shownName = strippedName(curFile);
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setWindowTitle(tr("%1[*] - %2").arg(shownName).arg(tr("Application")));
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}
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QString %{APPNAME}::strippedName(const QString &fullFileName)
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{
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return QFileInfo(fullFileName).fileName();
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}
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%{APPNAME}::~%{APPNAME}()
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{
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}
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