qt5base-lts/examples/graphicsview/embeddeddialogs/customproxy.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 demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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:
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** 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
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****************************************************************************/
#ifndef CUSTOMPROXY_H
#define CUSTOMPROXY_H
#include <QtCore/qtimeline.h>
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#include <QtWidgets/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;
QGraphicsItem *currentPopup;
};
#endif