Root/Software/sie_cg/lineitem.h

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41
42#ifndef LINEITEM_H
43#define LINEITEM_H
44
45#include <QGraphicsLineItem>
46
47#include "diagramitem.h"
48#include "arrow.h"
49
50QT_BEGIN_NAMESPACE
51class QGraphicsPolygonItem;
52class QGraphicsLineItem;
53class QGraphicsScene;
54class QRectF;
55class QGraphicsSceneMouseEvent;
56class QPainterPath;
57QT_END_NAMESPACE
58
59class lineItem : public QGraphicsLineItem
60{
61public:
62    enum { Type = UserType + 4 };
63
64    lineItem(QPointF startPoint, QPointF endItem, Arrow *ownerArrow, int wt=2,
65        bool movable = 0, QGraphicsItem *parent = 0, QGraphicsScene *scene = 0);
66
67    int type() const
68        { return Type;}
69    QRectF boundingRect() const;
70    QPainterPath shape() const;
71    void setColor(const QColor &color)
72        { myColor=color; }
73
74    Arrow * myOwner()
75        { return myOwnerArrow;}
76
77    bool itemIsMovable() {return isMovable;}
78
79public slots:
80    void updatePos();
81
82protected:
83    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
84               QWidget *widget = 0);
85    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
86    void mousePressEvent(QGraphicsSceneMouseEvent *event);
87    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
88    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
89    QVariant itemChange(GraphicsItemChange change, const QVariant &value);
90
91private:
92    QColor myColor;
93    int pWidth;
94    Arrow *myOwnerArrow;
95    int moveItem;
96    bool isMovable;
97    bool positionChanged;
98};
99
100#endif
101

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