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mainwindow.h Example File
^{opengl/grabber/mainwindow.h}

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    ** This file is part of the documentation of the Qt Toolkit.
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    #ifndef MAINWINDOW_H
    #define MAINWINDOW_H

    #include <QMainWindow>

    class QAction;
    class QLabel;
    class QMenu;
    class QScrollArea;
    class QSlider;
    class GLWidget;

    class MainWindow : public QMainWindow
    {
        Q_OBJECT

    public:
        MainWindow();

    private slots:
        void renderIntoPixmap();
        void grabFrameBuffer();
        void clearPixmap();
        void about();

    private:
        void createActions();
        void createMenus();
        QSlider *createSlider(const char *changedSignal, const char *setterSlot);
        void setPixmap(const QPixmap &pixmap);
        QSize getSize();

        QWidget *centralWidget;
        QScrollArea *glWidgetArea;
        QScrollArea *pixmapLabelArea;
        GLWidget *glWidget;
        QLabel *pixmapLabel;
        QSlider *xSlider;
        QSlider *ySlider;
        QSlider *zSlider;

        QMenu *fileMenu;
        QMenu *helpMenu;
        QAction *grabFrameBufferAct;
        QAction *renderIntoPixmapAct;
        QAction *clearPixmapAct;
        QAction *exitAct;
        QAction *aboutAct;
        QAction *aboutQtAct;
    };

    #endif