mainwindow.h Example File

 /****************************************************************************
 **
 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H

 #include <QMainWindow>

 class MdiChild;
 class QAction;
 class QMenu;
 class QMdiArea;
 class QMdiSubWindow;
 class QSignalMapper;

 class MainWindow : public QMainWindow
 {
     Q_OBJECT

 public:
     MainWindow();

 protected:
     void closeEvent(QCloseEvent *event);

 private slots:
     void newFile();
     void open();
     void save();
     void saveAs();
 #ifndef QT_NO_CLIPBOARD
     void cut();
     void copy();
     void paste();
 #endif
     void about();
     void updateMenus();
     void updateWindowMenu();
     MdiChild *createMdiChild();
     void switchLayoutDirection();
     void setActiveSubWindow(QWidget *window);

 private:
     void createActions();
     void createMenus();
     void createToolBars();
     void createStatusBar();
     void readSettings();
     void writeSettings();
     MdiChild *activeMdiChild();
     QMdiSubWindow *findMdiChild(const QString &fileName);

     QMdiArea *mdiArea;
     QSignalMapper *windowMapper;

     QMenu *fileMenu;
     QMenu *editMenu;
     QMenu *windowMenu;
     QMenu *helpMenu;
     QToolBar *fileToolBar;
     QToolBar *editToolBar;
     QAction *newAct;
     QAction *openAct;
     QAction *saveAct;
     QAction *saveAsAct;
     QAction *exitAct;
 #ifndef QT_NO_CLIPBOARD
     QAction *cutAct;
     QAction *copyAct;
     QAction *pasteAct;
 #endif
     QAction *closeAct;
     QAction *closeAllAct;
     QAction *tileAct;
     QAction *cascadeAct;
     QAction *nextAct;
     QAction *previousAct;
     QAction *separatorAct;
     QAction *aboutAct;
     QAction *aboutQtAct;
 };

 #endif