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diff --git a/examples/widgets/mainwindows/sdi/mainwindow.h b/examples/widgets/mainwindows/sdi/mainwindow.h
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+/****************************************************************************
+**
+** 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>
+
+QT_BEGIN_NAMESPACE
+class QAction;
+class QMenu;
+class QTextEdit;
+QT_END_NAMESPACE
+
+//! [class definition with macro]
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow();
+//! [class definition with macro]
+    MainWindow(const QString &fileName);
+
+protected:
+    void closeEvent(QCloseEvent *event);
+
+private slots:
+    void newFile();
+    void open();
+    bool save();
+    bool saveAs();
+    void about();
+    void documentWasModified();
+
+private:
+    void init();
+    void createActions();
+    void createMenus();
+    void createToolBars();
+    void createStatusBar();
+    void readSettings();
+    void writeSettings();
+    bool maybeSave();
+    void loadFile(const QString &fileName);
+    bool saveFile(const QString &fileName);
+    void setCurrentFile(const QString &fileName);
+    QString strippedName(const QString &fullFileName);
+    MainWindow *findMainWindow(const QString &fileName);
+
+    QTextEdit *textEdit;
+    QString curFile;
+    bool isUntitled;
+
+    QMenu *fileMenu;
+    QMenu *editMenu;
+    QMenu *helpMenu;
+    QToolBar *fileToolBar;
+    QToolBar *editToolBar;
+    QAction *newAct;
+    QAction *openAct;
+    QAction *saveAct;
+    QAction *saveAsAct;
+    QAction *closeAct;
+    QAction *exitAct;
+    QAction *cutAct;
+    QAction *copyAct;
+    QAction *pasteAct;
+    QAction *aboutAct;
+    QAction *aboutQtAct;
+};
+
+#endif