Qt 4.8: mainwindow.cpp Example File (linguist/trollprint/mainwindow.cpp)

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# mainwindow.cpp Example File

linguist/trollprint/mainwindow.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2015 The Qt Company Ltd.
     ** Contact: http://www.qt.io/licensing/
     **
     ** This file is part of the examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
     ** You may use this file under the terms of the BSD license as follows:
     **
     ** "Redistribution and use in source and binary forms, with or without
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     **     from this software without specific prior written permission.
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     #include <QtGui>

     #include "mainwindow.h"
     #include "printpanel.h"

     MainWindow::MainWindow()
     {
         printPanel = new PrintPanel;
         setCentralWidget(printPanel);

         createActions();
         createMenus();

         setWindowTitle(tr("Troll Print 1.0"));
     }

     void MainWindow::about()
     {
         QMessageBox::information(this, tr("About Troll Print 1.0"),
                           tr("Troll Print 1.0.\n\n"
                           "Copyright 1999 Software, Inc."));
     }

     void MainWindow::createActions()
     {
         exitAct = new QAction(tr("E&xit"), this);
         exitAct->setShortcut(tr("Ctrl+Q", "Quit"));
         connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));

         aboutAct = new QAction(tr("&About"), this);
         aboutAct->setShortcut(Qt::Key_F1);
         connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));

         aboutQtAct = new QAction(tr("About &Qt"), this);
         connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
     }

     void MainWindow::createMenus()
     {
         QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
         fileMenu->addAction(exitAct);

         menuBar()->addSeparator();

         QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
         helpMenu->addAction(aboutAct);
         helpMenu->addAction(aboutQtAct);
     }