mainwindow.cpp Example File | Qt Widgets 5.12.9

- Qt 5.12
- Qt Widgets
- Sub-Attaq
- mainwindow.cpp Example File
- Qt 5.12.9 Reference Documentation

# mainwindow.cpp Example File

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() : QMainWindow(0)
     {
         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);
     }