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47 lines
893 B
47 lines
893 B
#ifndef EDGE_H
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#define EDGE_H
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#include <QtGui/QGraphicsItem>
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class Node;
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class Edge : public QGraphicsItem
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{
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public:
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enum ArrowStyle {
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NoArrow,
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ArrowToDestination,
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ArrowToSource,
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ArrowToBothSides
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};
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Edge(Node *source, Node *destination, ArrowStyle arrowStyle = NoArrow );
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Node *sourceNode() const;
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Node *destNode() const;
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bool isRoute() const { return m_isRoute; }
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void setIsRoute(bool is_route = true) { m_isRoute = is_route; update(); }
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void adjust();
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enum { Type = UserType + 2 };
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int type() const { return Type; }
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protected:
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QRectF boundingRect() const;
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
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private:
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Node *source, *dest;
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ArrowStyle m_arrowStyle;
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QPointF sourcePoint;
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QPointF destPoint;
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qreal arrowSize;
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bool m_isRoute;
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};
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#endif
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