drawtool.h

来自「组态软件设计与开发配套源码」· C头文件 代码 · 共 80 行

// DrawTool.h: interface for the CDrawTool class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_DRAWTOOL_H__67B343D6_9A89_4CAD_A4B9_2EEF72C5EF10__INCLUDED_)
#define AFX_DRAWTOOL_H__67B343D6_9A89_4CAD_A4B9_2EEF72C5EF10__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "drawobj.h"
class CDrawView;

enum DrawShape
{
	selection,
	line,
	rect,
	roundRect,
	ellipse,
    circle,
	poly
};

class CDrawTool  
{
// Constructors
public:
	CDrawTool(DrawShape nDrawShape);

// Overridables
	virtual void OnLButtonDown(CDrawView* pView, UINT nFlags, const CPoint& point);
	virtual void OnLButtonDblClk(CDrawView* pView, UINT nFlags, const CPoint& point);
	virtual void OnLButtonUp(CDrawView* pView, UINT nFlags, const CPoint& point);
	virtual void OnMouseMove(CDrawView* pView, UINT nFlags, const CPoint& point);
	virtual void OnEditProperties(CDrawView* pView);
	virtual void OnCancel();

// Attributes
	DrawShape m_drawShape;

	static CDrawTool* FindTool(DrawShape drawShape);
	static CPtrList c_tools;
	static CPoint c_down;
	static UINT c_nDownFlags;
	static CPoint c_last;
	static DrawShape c_drawShape;

};

class CSelectTool : public CDrawTool
{
// Constructors
public:
	CSelectTool();

// Implementation
	virtual void OnLButtonDown(CDrawView* pView, UINT nFlags, const CPoint& point);
	virtual void OnLButtonDblClk(CDrawView* pView, UINT nFlags, const CPoint& point);
	virtual void OnLButtonUp(CDrawView* pView, UINT nFlags, const CPoint& point);
	virtual void OnMouseMove(CDrawView* pView, UINT nFlags, const CPoint& point);
	virtual void OnEditProperties(CDrawView* pView);
};

class CRectTool : public CDrawTool
{
// Constructors
public:
	CRectTool(DrawShape drawShape);

// Implementation
	virtual void OnLButtonDown(CDrawView* pView, UINT nFlags, const CPoint& point);
	virtual void OnLButtonDblClk(CDrawView* pView, UINT nFlags, const CPoint& point);
	virtual void OnLButtonUp(CDrawView* pView, UINT nFlags, const CPoint& point);
	virtual void OnMouseMove(CDrawView* pView, UINT nFlags, const CPoint& point);
};

#endif // !defined(AFX_DRAWTOOL_H__67B343D6_9A89_4CAD_A4B9_2EEF72C5EF10__INCLUDED_)