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#ifndef ARROW_H
#define ARROW_H
#include <QGraphicsLineItem>
#include "diagramitem.h"
class QGraphicsPolygonItem;
class QGraphicsLineItem;
class QGraphicsScene;
class QRectF;
class QGraphicsSceneMouseEvent;
class QPainterPath;
class Arrow : public QGraphicsLineItem
{
public:
enum { Type = UserType + 4 };
Arrow(DiagramItem *startItem, DiagramItem *endItem,
QGraphicsItem *parent = 0, QGraphicsScene *scene = 0);
int type() const
{ return Type; }
QRectF boundingRect() const;
QPainterPath shape() const;
void setColor(const QColor &color)
{ myColor = color; }
DiagramItem *startItem() const
{ return myStartItem; }
DiagramItem *endItem() const
{ return myEndItem; }
public slots:
void updatePosition();
protected:
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget = 0);
private:
DiagramItem *myStartItem;
DiagramItem *myEndItem;
QColor myColor;
QPolygonF arrowHead;
};
#endif
Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies) | Trademarks | Qt 4.5.0-rc1 |