advbtn.h

深入剖析vcCodeCHAPTER11.1特色按钮源代码

#if !defined(AFX_UNIBUTTON_H__EBEB2EA0_A067_11D2_9E44_0020182F735A__INCLUDED_)
#define AFX_UNIBUTTON_H__EBEB2EA0_A067_11D2_9E44_0020182F735A__INCLUDED_

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

class CAdvButton : public CButton
{
public:
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAdvButton)
	public:
	virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);
	//自绘制函数
	protected:
	virtual void PreSubclassWindow();
	//子类化
	virtual LRESULT DefWindowProc(UINT message, WPARAM wParam, LPARAM lParam);
	//Windows消息处理
	//}}AFX_VIRTUAL

protected:
	//{{AFX_MSG(CAdvButton)
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	//Windows消息处理—背景擦除
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	//Windows消息处理—鼠标移动
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	//Windows消息处理—创建
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	//鼠标左键按下
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	//鼠标左键弹起
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
private:
	UINT m_nBorder;												
	LONG m_lfEscapement;										
	COLORREF m_nColor, m_sColor, m_hColor, m_dColor;			
	CBitmap * m_pNormal;										
	CBitmap * m_pSelected;
	CBitmap * m_pHover;
	CBitmap * m_pDisabled;	
	CPoint m_CenterPoint;	
	BOOL m_bMouseDown;		
	BOOL m_bHover;			
	BOOL m_bCapture;												
	HRGN m_hRgn;													
	BOOL m_bNeedBitmaps;											
	void DrawButton(CDC * pDC, CRect * pRect, UINT state);			
	void PrepareStateBitmaps(CDC * pDC, CRect * pRect);				
	BOOL HitTest(CPoint point);										
	void RgnPixelWork(CDC * pDC, CRgn * pRgn);						
	void FrameRgn3D(HDC hDC, const HRGN hRgn, BOOL bSunken);		
	void CheckHover(CPoint point);
protected:
	void PrepareNormalState(CDC * pDC, CDC * pMemDC, CRect * pRect);	
	void PrepareSelectedState(CDC * pDC, CDC * pMemDC, CRect * pRect);	
	void PrepareHoverState(CDC * pDC, CDC * pMemDC, CRect * pRect);		
	void PrepareDisabledState(CDC * pDC, CDC * pMemDC, CRect * pRect);	
	void DrawButtonCaption(HDC hDC, CRect * pRect, BOOL bEnabled, BOOL bSunken);	
	void PaintRgn(CDC * pDC, CDC * pMemDC, CBitmap * pBitmap, COLORREF color, CRect * pRect, BOOL bEnabled, BOOL bSunken);	
public:
	CAdvButton();				// constructor
	virtual ~CAdvButton();	// destructor
	BOOL Create(LPCTSTR lpszCaption, DWORD dwStyle, const CPoint point, const HRGN hRgn, CWnd* pParentWnd, UINT nID);
	BOOL Create(LPCTSTR lpszCaption, DWORD dwStyle, const CPoint point, const HRGN hRgn, CWnd* pParentWnd, UINT nID, COLORREF color);	
	BOOL Create(LPCTSTR lpszCaption, DWORD dwStyle, const CPoint point, const HRGN hRgn, CWnd* pParentWnd, UINT nID, UINT nBorder, COLORREF nColor, COLORREF sColor, COLORREF hColor, COLORREF dColor);	
	BOOL Create(LPCTSTR lpszCaption, DWORD dwStyle, const CPoint point, const HRGN hRgn, CWnd* pParentWnd, UINT nID, UINT nBorder, LONG lfEscapement, COLORREF nColor, COLORREF sColor, COLORREF hColor, COLORREF dColor);
};

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

//{{AFX_INSERT_LOCATION}}
// Microsoft Developer Studio will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_UNIBUTTON_H__EBEB2EA0_A067_11D2_9E44_0020182F735A__INCLUDED_)