qt5base-lts/examples/widgets/animation/sub-attaq/mainwindow.cpp

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//Own
#include "mainwindow.h"
#include "graphicsscene.h"

//Qt
#include <QGraphicsView>
#include <QApplication>
#include <QMenu>
#include <QMenuBar>
#include <QLayout>

#ifndef QT_NO_OPENGL
# include <QtOpenGL/QtOpenGL>
#endif

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
{
    QMenu *file = menuBar()->addMenu(tr("&File"));

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

    if (QApplication::arguments().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);
    scene->setupScene(newAction, quitAction);
#ifndef QT_NO_OPENGL
    QGLWidget *glWidget = new QGLWidget(QGLFormat(QGL::SampleBuffers));
    if (glWidget->context()->isValid()) {
        view->setViewport(glWidget);
    } else {
        qWarning("Unable to create an Open GL context with sample buffers, not using Open GL.");
        delete glWidget;
    }
#endif
    setCentralWidget(view);
}