nmWATI/Include/iPlot/iPlotCurveT/ZxCmdTool.h

#pragma once

#include <QRectF>
#include <ZxSimpleTool.h>
#include "iPlotCurveT_global.h"

class QPointF;
class ZxRenderItem;
class ZxPlotBase;

/// 通用Tool，消息分发
class I_PLOTCURVE_T_EXPORT ZxCmdTool : public ZxSimpleTool
{
    Q_OBJECT

public:

    ZxCmdTool();
    ZxCmdTool(const ZxCmdTool& c);

    void setPlotRect(QRectF rc);
    void setChartObj(ZxPlotBase* pObj);

protected:

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

    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);
    virtual void onKeyPress(QKeyEvent *event);
	void changeCursor(int nOpType);

signals:

    // 鼠标交互式选择点后，触发信号，允许外界创建Object
    void sigTakeMousePts(QVector<QPointF>& vecPts, \
                         int n, bool& b);

private:

    void verifyPos(QPointF& pt);

    // 鼠标移动时的辅助信息显示
    virtual bool _runShowWithMoving(const QPointF& pt);

    // 鼠标Up时的相应操作
    virtual bool _runCmdAddObj(const QPointF& pt);
    virtual bool _runCmdZoom(const QPointF& pt);
    virtual bool _runCmdMove(const QPointF& pt);
    virtual bool _runCmdSelect(const QPointF& pt);
    virtual bool _runCmdHitPoint(const QPointF& pt);

protected:

    bool m_bTracking;

    // 图的有效矩形
    QPointF m_ptStart;
    QPointF m_ptMove;
    QRectF  m_rtPlot;
    QRectF  m_rtTracker;
    ZxPlotBase* m_pPlot;

    QVector<QPointF> m_vecPosPoints;

	bool m_bLeftDown;
};