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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef BOUNDINGRECTHIGHLIGHTER_H
#define BOUNDINGRECTHIGHLIGHTER_H
#include <QObject>
#include <QWeakPointer>
#include "layeritem.h"
QT_FORWARD_DECLARE_CLASS(QGraphicsItem);
QT_FORWARD_DECLARE_CLASS(QPainter);
QT_FORWARD_DECLARE_CLASS(QWidget);
QT_FORWARD_DECLARE_CLASS(QStyleOptionGraphicsItem);
QT_FORWARD_DECLARE_CLASS(QTimer);
namespace QmlJSDebugger {
class QDeclarativeViewObserver;
class BoundingBox;
class BoundingRectHighlighter : public LayerItem
{
Q_OBJECT
public:
explicit BoundingRectHighlighter(QDeclarativeViewObserver *view);
~BoundingRectHighlighter();
void clear();
void highlight(QList<QGraphicsObject*> items);
void highlight(QGraphicsObject* item);
private slots:
void refresh();
void animTimeout();
void itemDestroyed(QObject *);
private:
BoundingBox *boxFor(QGraphicsObject *item) const;
void highlightAll(bool animate);
BoundingBox *createBoundingBox(QGraphicsObject *itemToHighlight);
void removeBoundingBox(BoundingBox *box);
void freeBoundingBox(BoundingBox *box);
private:
Q_DISABLE_COPY(BoundingRectHighlighter);
QDeclarativeViewObserver *m_view;
QList<BoundingBox* > m_boxes;
QList<BoundingBox* > m_freeBoxes;
QTimer *m_animTimer;
qreal m_animScale;
int m_animFrame;
};
class BoundingBox : public QObject
{
Q_OBJECT
public:
explicit BoundingBox(QGraphicsObject *itemToHighlight, QGraphicsItem *parentItem,
QObject *parent = 0);
~BoundingBox();
QWeakPointer<QGraphicsObject> highlightedObject;
QGraphicsPolygonItem *highlightPolygon;
QGraphicsPolygonItem *highlightPolygonEdge;
private:
Q_DISABLE_COPY(BoundingBox);
};
class BoundingBoxPolygonItem : public QGraphicsPolygonItem
{
public:
explicit BoundingBoxPolygonItem(QGraphicsItem *item);
int type() const;
};
} // namespace QmlJSDebugger
#endif // BOUNDINGRECTHIGHLIGHTER_H
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