yctbitmapbutton.h

来自「简易的日期控件」· C头文件 代码 · 共 113 行

#if !defined(AFX_YCTBITMAPBUTTON_H__8CFCBD64_FEC1_40B9_A047_4B47F880BD42__INCLUDED_)
#define AFX_YCTBITMAPBUTTON_H__8CFCBD64_FEC1_40B9_A047_4B47F880BD42__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// yctBitmapButton.h : header file
//
///////////////////////////////////////////////////////////
//注意：
//必须在#include <afxwin.h>前，加一行代码#define _WIN32_WINNT 0x0400 
//因为函数TrackMouseEvent需要它
//
//此button的表现：
//   有三种图片状态
//		_mouse_in      //鼠标在button内
//		_mouse_out     //鼠标在button外
//		_mouse_down    //鼠标在button内并且左键正在按下
///////////////////////////////////////////////////////////

/////////////////////////////////////////////////////////////////////////////
// CyctBitmapButton window

class CyctBitmapButton : public CButton
{	
private:
	enum
	{
	//button的三种状态

		_mouse_in=1,  //鼠标在button内
		_mouse_out, //鼠标在button外
		_mouse_down//鼠标在button内并且左键正在按下
	};
	class tagInfo
	{
	//存储状态信息

	private:
		int m_CurState;//当前的状态
	public:

		void SetCurState(const int&Cur)
		{
	    //设置当前状态
		
			ASSERT(Cur == _mouse_in
				|| Cur == _mouse_out
				|| Cur == _mouse_down);
			m_CurState = Cur;
		}

		int GetCurState() const
		{
	    //设置当前状态

			ASSERT(m_CurState == _mouse_in
				|| m_CurState == _mouse_out
				|| m_CurState == _mouse_down);
			return m_CurState;
		}
	}m_MouseState;
	friend class tagInfo;

// Construction
public:
	CyctBitmapButton();

// Attributes
private:
	BOOL m_fIsInit;//初始化标志，为TRUE表示已经初始化。
	HBITMAP m_hIn, m_hOut, m_hDown;//Bitmap句柄
public:
// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CyctBitmapButton)
	public:
	virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);
	protected:
	virtual void PreSubclassWindow();
	//}}AFX_VIRTUAL

// Implementation	
private:
	int Init();//初始化
	HBITMAP SetBitmap(HBITMAP hBitmap);//设置按钮的位图
public:
	virtual ~CyctBitmapButton();

	// Generated message map functions
protected:
	//{{AFX_MSG(CyctBitmapButton)
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnDestroy();
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnSetFocus(CWnd* pOldWnd);
	//}}AFX_MSG
	afx_msg LRESULT OnMouseLeave(WPARAM wParam, LPARAM lParam);//手工添加
	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_YCTBITMAPBUTTON_H__8CFCBD64_FEC1_40B9_A047_4B47F880BD42__INCLUDED_)