/******************************************************************************** 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 <QMainWindow>class QAction;class QListWidget;class QMenu;class QTextEdit;class MainWindow : public QMainWindow{    Q_OBJECTpublic:    MainWindow();private slots:    void newLetter();    void save();    void print();    void undo();    void about();    void insertCustomer(const QString &customer);    void addParagraph(const QString &paragraph);private:    void createActions();    void createMenus();    void createToolBars();    void createStatusBar();    void createDockWindows();    QTextEdit *textEdit;    QListWidget *customerList;    QListWidget *paragraphsList;    QMenu *fileMenu;    QMenu *editMenu;    QMenu *viewMenu;    QMenu *helpMenu;    QToolBar *fileToolBar;    QToolBar *editToolBar;    QAction *newLetterAct;    QAction *saveAct;    QAction *printAct;    QAction *undoAct;    QAction *aboutAct;    QAction *aboutQtAct;    QAction *quitAct;};#endif