Qt 4.6: mainwindow.cpp Example File (demos/sub-attaq/mainwindow.cpp)

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# mainwindow.cpp Example File
demos/sub-attaq/mainwindow.cpp

     /****************************************************************************
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     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** This file is part of the QtCore module of the Qt Toolkit.
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     ** No Commercial Usage
     ** This file contains pre-release code and may not be distributed.
     ** You may use this file in accordance with the terms and conditions
     ** contained in the Technology Preview License Agreement accompanying
     ** this package.
     **
     ** GNU Lesser General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU Lesser
     ** General Public License version 2.1 as published by the Free Software
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     ** ensure the GNU Lesser General Public License version 2.1 requirements
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     //Own
     #include "mainwindow.h"
     #include "graphicsscene.h"

     //Qt
     #include <QGraphicsView>

     #ifdef QT_NO_OPENGL
         #include <QtGui/QMenuBar>
         #include <QtGui/QLayout>
         #include <QtGui/QApplication>
     #else
         #include <QtOpenGL/QtOpenGL>
     #endif

     MainWindow::MainWindow() : QMainWindow(0)
     {
         QMenuBar *menuBar = new QMenuBar;
         QMenu *file = new QMenu(tr("&File"),menuBar);

         QAction *newAction = new QAction(tr("New Game"),file);
         newAction->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_N));
         file->addAction(newAction);
         QAction *quitAction = new QAction(tr("Quit"),file);
         quitAction->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_Q));
         file->addAction(quitAction);

         menuBar->addMenu(file);
         setMenuBar(menuBar);

         QStringList list = QApplication::arguments();
         if (list.contains("-fullscreen")) {
             scene = new GraphicsScene(0, 0, 750, 400,GraphicsScene::Small);
             setWindowState(Qt::WindowFullScreen);
         } else {
             scene = new GraphicsScene(0, 0, 880, 630);
             layout()->setSizeConstraint(QLayout::SetFixedSize);
         }

         view = new QGraphicsView(scene,this);
         view->setAlignment(Qt::AlignLeft | Qt::AlignTop);
         QList<QAction *> actions;
         actions << newAction << quitAction;
         scene->setupScene(actions);
     #ifndef QT_NO_OPENGL
             view->setViewport(new QGLWidget(QGLFormat(QGL::SampleBuffers)));
     #endif

         setCentralWidget(view);

     }

     MainWindow::~MainWindow()
     {
     }