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diff --git a/examples/animation/research/piemenu/qgraphicspiemenu.h b/examples/animation/research/piemenu/qgraphicspiemenu.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGRAPHICSPIEMENU_H
+#define QGRAPHICSPIEMENU_H
+
+#include <QtGui/qgraphicswidget.h>
+
+class QGraphicsPieMenuPrivate;
+class QGraphicsPieMenu : public QGraphicsWidget
+{
+    Q_OBJECT
+public:
+    QGraphicsPieMenu(QGraphicsItem *parent = 0);
+    QGraphicsPieMenu(const QString &title, QGraphicsItem *parent = 0);
+    QGraphicsPieMenu(const QIcon &icon, const QString &title, QGraphicsItem *parent = 0);
+    ~QGraphicsPieMenu();
+
+#ifdef Q_NO_USING_KEYWORD
+    inline void addAction(QAction *action) { QGraphicsWidget::addAction(action); }
+#else
+    using QGraphicsWidget::addAction;
+#endif
+    QAction *addAction(const QString &text);
+    QAction *addAction(const QIcon &icon, const QString &text);
+    QAction *addAction(const QString &text, const QObject *receiver, const char *member, const QKeySequence &shortcut = 0);
+    QAction *addAction(const QIcon &icon, const QString &text, const QObject *receiver, const char *member, const QKeySequence &shortcut = 0);
+    QAction *addMenu(QGraphicsPieMenu *menu);
+    QGraphicsPieMenu *addMenu(const QString &title);
+    QGraphicsPieMenu *addMenu(const QIcon &icon, const QString &title);
+    QAction *addSeparator();
+    QAction *insertMenu(QAction *before, QGraphicsPieMenu *menu);
+    QAction *insertSeparator(QAction *before);
+
+    QAction *menuAction() const;
+
+    bool isEmpty() const;
+    void clear();
+
+    void popup(const QPointF &pos);
+    QAction *exec();
+    QAction *exec(const QPointF &pos);
+    static QAction *exec(QList<QAction *> actions, const QPointF &pos);
+
+    QString title() const;
+    void setTitle(const QString &title);
+
+    QIcon icon() const;
+    void setIcon(const QIcon &icon);
+
+Q_SIGNALS:
+    void aboutToShow();
+    void aboutToHide();
+    void triggered(QAction *action);
+    void hovered(QAction *action);
+
+protected:
+    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
+
+private:
+    Q_DISABLE_COPY(QGraphicsPieMenu)
+    Q_DECLARE_PRIVATE(QGraphicsPieMenu)
+    QGraphicsPieMenuPrivate *d_ptr;
+};
+
+#endif