PowerDesigner/include/graphicsItem/itemControlHandle.h

#ifndef ITEMCONTROLHANDLE_H
#define ITEMCONTROLHANDLE_H

#include <QGraphicsRectItem>

enum HandleType
{
    T_resize, //调整大小
    T_rotate, //旋转
    T_editShape //编辑形状
};

enum HandleTag
{
    H_none = 0,
    H_leftTop,
    H_top,
    H_rightTop,
    H_right,
    H_rightBottom,
    H_bottom,
    H_leftBottom,
    H_left, //8
    H_rotate_leftTop,
    H_rotate_rightTop,
    H_rotate_rightBottom,
    H_rotate_leftBottom, //12
    H_edit
};


class ItemControlHandle : public QObject,public QGraphicsRectItem
{
    Q_OBJECT

public:
    ItemControlHandle(QGraphicsItem *parent);
    virtual ~ItemControlHandle();

public:
    void setType(HandleType ht) { m_type = ht; }
    HandleType getType() { return m_type; }

    void setTag(int ht) { m_tag = ht; }
    int getTag() { return m_tag; }

    int getSize();
    void move(double, double);

protected:
    virtual void hoverEnterEvent(QGraphicsSceneHoverEvent*) override;
    virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent*) override;
    virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) override;

private:
    HandleType   m_type;
    int          m_tag;

};

#endif