nmWTAI-Platform/Include/iPlot/iPlotCurveT/Objects/ZxObjPolygonTool.h

#pragma once

#include "ZxObjToolBase.h"

// 多边形之工具
class I_PLOTCURVE_T_EXPORT ZxObjPolygonTool : public ZxObjToolBase
{
    Q_OBJECT

public:

    ZxObjPolygonTool();

public:

    // 鼠标各种响应
    virtual bool onLeftDown(const QPointF& pt);
    virtual bool onLeftUp(const QPointF& pt);
    virtual bool onMouseMove(const QPointF& pt);
    virtual bool onMouseWheel(const QPointF& pt, int delta);
    virtual bool onLeftDoubleClick(const QPointF& pt);

    // 绘制
    virtual void onPaint(QPainter* painter, const ZxPaintParam& param);

private:

    // 绑定数据对象情况下绘制(真实)
    void paintTrackingRealObj(QPainter* painter, const ZxPaintParam& param);

    // 尚未绑定数据对象情况下绘制(虚拟)
    void paintTrackingVirtualObj(QPainter* painter, const ZxPaintParam& param);

protected:

    // 根据鼠标当前选择情况确定不同的光标类型
    virtual Qt::CursorShape getCursorBy(const int& nOption,
                                        const int& nSubIndex);


protected:

    // 鼠标点缓存
    QVector<QPointF> m_vecPoints;
};