edge.h Example File
graphicsview/elasticnodes/edge.h
/****************************************************************************
**
** Copyright (C) 2006-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** Licensees holding valid Qt Preview licenses may use this file in
** accordance with the Qt Preview License Agreement provided with the
** Software.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#ifndef EDGE_H
#define EDGE_H
#include <QGraphicsItem>
class Node;
class Edge : public QGraphicsItem
{
public:
Edge(Node *sourceNode, Node *destNode);
~Edge();
Node *sourceNode() const;
void setSourceNode(Node *node);
Node *destNode() const;
void setDestNode(Node *node);
void adjust();
enum { Type = UserType + 2 };
int type() const { return Type; }
protected:
QRectF boundingRect() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
private:
Node *source, *dest;
QPointF sourcePoint;
QPointF destPoint;
qreal arrowSize;
};
#endif