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mainwindow.h Example File
^{widgets/scribble/mainwindow.h}

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    **
    ** This file is part of the documentation of the Qt Toolkit.
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    ** and appearing in the file LICENSE.GPL included in the packaging of
    ** this file.  Please review the following information to ensure GNU
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    #ifndef MAINWINDOW_H
    #define MAINWINDOW_H

    #include <QList>
    #include <QMainWindow>

    class ScribbleArea;

    class MainWindow : public QMainWindow
    {
        Q_OBJECT

    public:
        MainWindow();

    protected:
        void closeEvent(QCloseEvent *event);

    private slots:
        void open();
        void save();
        void penColor();
        void penWidth();
        void about();

    private:
        void createActions();
        void createMenus();
        bool maybeSave();
        bool saveFile(const QByteArray &fileFormat);

        ScribbleArea *scribbleArea;

        QMenu *saveAsMenu;
        QMenu *fileMenu;
        QMenu *optionMenu;
        QMenu *helpMenu;

        QAction *openAct;
        QList<QAction *> saveAsActs;
        QAction *exitAct;
        QAction *penColorAct;
        QAction *penWidthAct;
        QAction *clearScreenAct;
        QAction *aboutAct;
        QAction *aboutQtAct;
    };

    #endif