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customproxy.h Example File
demos/embeddeddialogs/customproxy.h

 /****************************************************************************
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 ** Copyright (C) 2005-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
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 ** This file is part of the documentation of the Qt Toolkit.
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 ** contact [email protected] if any conditions of this licensing
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 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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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