Qt 4.2: mainwindow.h Example File (tools/plugandpaint/mainwindow.h)

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# mainwindow.h Example File
tools/plugandpaint/mainwindow.h

     /****************************************************************************
     **
     ** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes 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 populateMenus(QObject *plugin);
         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