nmWATI/Include/iPlot/iPlotBase/Tools/ZxHandleTool.h

#pragma once

#include <ZxSimpleTool.h>
#include <ZxHandleRef.h>

class QPointF;
class ZxRenderItem;

/// 控制点编辑工具
class I_PLOTBASE_EXPORT ZxHandleTool : public ZxSimpleTool
{
    Q_OBJECT

public:

    ZxHandleTool();

protected:

    bool onLeftDown(const QPointF& pt);
    bool onLeftUp(const QPointF& pt);
    bool onMouseMove(const QPointF& pt);
    bool onLeftDoubleClick(const QPointF& pt);

	virtual void onSelectionChanged(ZxSelection& selection);

	virtual void onActivated();
	virtual void onDeactivated();    

    ZxHandleRef findHandle(ZxSceneItem* pScene, const QPointF& pt, double fHandleSize);

protected slots:

	void onItemDetached(ZxRenderItem* p);

private:

    bool m_bMoving;

    ZxHandleRef m_handleMove;
    ZxHandleRef m_handleHover;
};