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/****************************************************************************
**
** Copyright (C) 2006-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
**
** This file is part of the documentation of the Qt Toolkit.
**
** Licensees holding a valid Qt License Agreement may use this file in
** accordance with the rights, responsibilities and obligations
** contained therein. Please consult your licensing agreement or
** contact [email protected] if any conditions of this licensing
** agreement are not clear to you.
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** Further information about Qt licensing is available at:
** http://trolltech.com/products/appdev/licensing.
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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#ifndef NODE_H
#define NODE_H
#include <QGraphicsItem>
#include <QList>
class Edge;
class GraphWidget;
class QGraphicsSceneMouseEvent;
class Node : public QGraphicsItem
{
public:
Node(GraphWidget *graphWidget);
void addEdge(Edge *edge);
QList<Edge *> edges() const;
enum { Type = UserType + 1 };
int type() const { return Type; }
void calculateForces();
bool advance();
QRectF boundingRect() const;
QPainterPath shape() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
protected:
QVariant itemChange(GraphicsItemChange change, const QVariant &value);
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
private:
QList<Edge *> edgeList;
QPointF newPos;
GraphWidget *graph;
};
#endif
Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies) | Trademarks | Qt 4.4.3 |