You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
#ifndef EDGE_H
|
|
|
|
|
#define EDGE_H
|
|
|
|
|
|
|
|
|
|
#include <QtGui/QGraphicsItem>
|
|
|
|
|
|
|
|
|
|
class Node;
|
|
|
|
|
|
|
|
|
|
class Edge : public QGraphicsItem
|
|
|
|
|
{
|
|
|
|
|
public:
|
|
|
|
|
|
|
|
|
|
enum ArrowStyle {
|
|
|
|
|
NoArrow,
|
|
|
|
|
ArrowToDestination,
|
|
|
|
|
ArrowToSource,
|
|
|
|
|
ArrowToBothSides
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
Edge(Node *source, Node *destination, ArrowStyle arrowStyle = NoArrow );
|
|
|
|
|
|
|
|
|
|
Node *sourceNode() const;
|
|
|
|
|
Node *destNode() const;
|
|
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
ArrowStyle m_arrowStyle;
|
|
|
|
|
|
|
|
|
|
QPointF sourcePoint;
|
|
|
|
|
QPointF destPoint;
|
|
|
|
|
qreal arrowSize;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif
|
