mainwindow.h Example File
^{tools/plugandpaint/mainwindow.h}

    /****************************************************************************
    **
    ** Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ****************************************************************************/

    #ifndef MAINWINDOW_H
    #define MAINWINDOW_H

    #include <QDir>
    #include <QMainWindow>
    #include <QStringList>

    class QAction;
    class QActionGroup;
    class QMenu;
    class QScrollArea;
    class PaintArea;

    class MainWindow : public QMainWindow
    {
        Q_OBJECT

    public:
        MainWindow();

    private slots:
        void open();
        bool saveAs();
        void brushColor();
        void brushWidth();
        void changeBrush();
        void insertShape();
        void applyFilter();
        void about();
        void aboutPlugins();

    private:
        void createActions();
        void createMenus();
        void loadPlugins();
        void addToMenu(QObject *plugin, const QStringList &texts, QMenu *menu,
                       const char *member, QActionGroup *actionGroup = 0);

        PaintArea *paintArea;
        QScrollArea *scrollArea;
        QDir pluginsDir;
        QStringList pluginFileNames;

        QMenu *fileMenu;
        QMenu *brushMenu;
        QMenu *shapesMenu;
        QMenu *filterMenu;
        QMenu *helpMenu;
        QActionGroup *brushActionGroup;
        QAction *openAct;
        QAction *saveAsAct;
        QAction *exitAct;
        QAction *brushWidthAct;
        QAction *brushColorAct;
        QAction *aboutAct;
        QAction *aboutQtAct;
        QAction *aboutPluginsAct;
    };

    #endif