68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
/**
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*\file baseSelector.h
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*
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*\brief selector是用来实现图元具体操作的行为类，例如创建、编辑、旋转、移动等
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*
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*\author dsc
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*/
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#ifndef BASESELECTOR_H
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#define BASESELECTOR_H
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#include <QObject>
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#include "designerScene.h"
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enum SelectorType
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{
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ST_base = 0, //基本
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ST_cerating, //创建
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ST_editing, //顶点编辑
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ST_scaling, //缩放
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ST_rotating, //旋转
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};
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enum OperationMode
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{
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OM_none = 0,
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OM_move, //移动
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OM_create, //创建
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OM_edit, //顶点编辑
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OM_scale, //缩放
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OM_rotate, //旋转
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};
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class BaseSelector : public QObject
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{
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Q_OBJECT
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public:
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explicit BaseSelector(QObject *parent = 0);
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virtual ~BaseSelector();
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public:
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virtual void mousePressEvent(QGraphicsSceneMouseEvent*, DesignerScene*);
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virtual void mouseMoveEvent(QGraphicsSceneMouseEvent*, DesignerScene*);
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virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent*, DesignerScene*);
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SelectorType getSelectorType() { return m_type; }
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//void setOperationMode(OperationMode m) { m_opMode = m; }
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OperationMode getOperationMode() { return ms_opMode; }
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void setCursor(DesignerScene*, const QCursor&);
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signals:
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void setWorkingSelector(SelectorType);
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protected:
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//静态变量，用于不同类型对象间的成员共享
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static OperationMode ms_opMode;
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static QPointF ms_ptMouseDown;
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static QPointF ms_ptMouseLast;
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static int ms_nDragHandle; //当前抓取的控制点
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SelectorType m_type;
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bool m_bHoverOnHandel; //鼠标是否悬停在handel
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};
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#endif
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