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customproxy.h

/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
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** GNU Lesser General Public License Usage
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** 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
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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#ifndef CUSTOMPROXY_H
#define CUSTOMPROXY_H

#include <QtCore/qtimeline.h>
#include <QtGui/qgraphicsproxywidget.h>

class CustomProxy : public QGraphicsProxyWidget
{
    Q_OBJECT
public:
    CustomProxy(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);

    QRectF boundingRect() const;
    void paintWindowFrame(QPainter *painter, const QStyleOptionGraphicsItem *option,
                          QWidget *widget);                          

protected:
    void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
    void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
    bool sceneEventFilter(QGraphicsItem *watched, QEvent *event);
    QVariant itemChange(GraphicsItemChange change, const QVariant &value);

private slots:
    void updateStep(qreal step);
    void stateChanged(QTimeLine::State);
    void zoomIn();
    void zoomOut();

private:
    QTimeLine *timeLine;
    bool popupShown;
};

#endif

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