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diff --git a/src/AboutDialogGraphicsView.h b/src/AboutDialogGraphicsView.h
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+++ b/src/AboutDialogGraphicsView.h
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+/***************************************************************************
+*   Copyright (C) 2006-2012 by Thomas Schweitzer                          *
+*   thomas-schweitzer(at)arcor.de                                         *
+*                                                                         *
+*   This program is free software; you can redistribute it and/or modify  *
+*   it under the terms of the GNU General Public License version 2.0 as   *
+*   published by the Free Software Foundation.                            *
+*                                                                         *
+*   This program is distributed in the hope that it will be useful,       *
+*   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+*   GNU General Public License for more details.                          *
+*                                                                         *
+*   You should have received a copy of the GNU General Public License     *
+*   along with this program in the file LICENSE.GPL; if not, write to the *
+*   Free Software Foundation, Inc.,                                       *
+*   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+***************************************************************************/
+#ifndef ABOUTDIALOGGRAPHICSVIEW_H
+#define ABOUTDIALOGGRAPHICSVIEW_H
+
+#include <QGraphicsView>
+
+class AboutDialog;
+
+class QTimeLine;
+class QSplashScreen;
+
+
+class AboutDialogGraphicsView : public QGraphicsView
+{
+    Q_OBJECT
+public:
+    AboutDialogGraphicsView(AboutDialog *aboutDialog, QWidget *parentWindow = NULL);
+    ~AboutDialogGraphicsView(void);
+
+public slots:
+    void show();
+    void hide();
+
+private slots:
+    void updateStep(int step);
+    void showAboutDialog();
+    void hideReally();
+
+private:
+    AboutDialog *_aboutDialog;
+    QGraphicsProxyWidget *_graphicsProxyWidget;
+    QWidget *_parentWindow;
+    QTimeLine *_timeLine;
+    QSplashScreen *_aboutDialogAsSplashScreen;
+    int _windowTitleBarWidth;
+    int _windowPosOffset;
+};
+
+#endif // ABOUTDIALOGGRAPHICSVIEW_H