menubutton.h

EVC++按钮编程

#if !defined(AFX_MENUBUTTON_H__79EBA469_04EE_49F9_A641_CB616F9C5C1E__INCLUDED_)
#define AFX_MENUBUTTON_H__79EBA469_04EE_49F9_A641_CB616F9C5C1E__INCLUDED_

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

// Return values
#ifndef	BTNST_OK
#define	BTNST_OK						0
#endif



// MenuButton.h : header file
//

/////////////////////////////////////////////////////////////////////////////
// CMenuButton window

class CMenuButton : public CButton
{
// Construction
public:
	CMenuButton();

// Attributes
public:
	BOOL bSetMenu;
	
// Operations
public:
//	void SetBtnBitmap(HBITMAP bitmap);
	//给按钮设置图片
	//分别对应按钮的正常、按钮捕捉焦点后鼠标弹起与按下的三种状态
	//目前三种位图都必须要设置，以后再考虑完善
	void SetBtnBitmap(UINT nBitmapResources,UINT nBitmapResourcesUp,UINT nBitmapResourceDown);
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CMenuButton)
	virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CMenuButton();
private:
	//代表鼠标按键的状态
	//0--正常；1--UP;2--down;3--move;4--disable
	int nState;
	CMenu	m_Menu;
	UINT	m_nMenuSourceId;
	//按钮所对应的菜单项的ID
	INT		m_nClickFlag;

	BOOL m_Selected;//是否处于选中状态
	BOOL bMouse;//鼠标是否处于控件的范围内
	
	BOOL	m_bMouseOnButton;	// Is mouse over the button?
	BOOL b_ClickFlag;	//单击选择区

	HDC m_hHdc;
	HMENU m_hMenu;

protected:
	// all bitmaps must be the same size
	HBITMAP m_hbitmap;           // normal image (REQUIRED)	
	HBITMAP m_hbitmapUp;        // mouse up  (OPTIONAL)
	HBITMAP m_hbitmapDown;      // mouse down

	// Generated message map functions
protected:
	//{{AFX_MSG(CMenuButton)
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnKillFocus(CWnd* pNewWnd);
	afx_msg void OnClicked();
	//}}AFX_MSG

	virtual void PreSubclassWindow();
	DECLARE_MESSAGE_MAP()
};

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

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

#endif // !defined(AFX_MENUBUTTON_H__79EBA469_04EE_49F9_A641_CB616F9C5C1E__INCLUDED_)