www.pudn.com > LECTEUR-MP3.zip > UniButton.h

#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 
///////////////////////////////////////////////////////////////////////////// 
// CUniButton window 
// 
// AUTHOR: Pavel A .Simakov 
// DATE: 981226 
// E-MAIL: psimakov@outplay.com 
// ORGANIZATION: Outplay Consulting 
// HTTP: www.outplay.com 
// TERM OF USE: unlimited, must cite AUTHOR 
// COPYRIHT: 1998 Outplay Consulting 
// 
///////////////////////////////////////////////////////////////////////////// 
 
class CUniButton : public CButton 
{ 
public: 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CUniButton) 
	public: 
	virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct); 
	protected: 
	virtual void PreSubclassWindow(); 
	virtual LRESULT DefWindowProc(UINT message, WPARAM wParam, LPARAM lParam); 
	//}}AFX_VIRTUAL 
 
protected: 
	//{{AFX_MSG(CUniButton) 
	afx_msg BOOL OnEraseBkgnd(CDC* pDC); 
	afx_msg void OnMouseMove(UINT nFlags, CPoint point); 
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct); 
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point); 
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point); 
	//}}AFX_MSG 
 
	DECLARE_MESSAGE_MAP() 
private: 
	UINT m_nBorder;														// width of the border in pixels for 3D highlight 
	LONG m_lfEscapement;												// orientation of the caption (in tenth of the degree as in LOGFONT) 
	COLORREF m_nColor, m_sColor, m_hColor, m_dColor;					// background colors for button states: normal, selected, hover, disabled 
	CBitmap * m_pNormal;												// bitmaps to hold button images 
	CBitmap * m_pSelected; 
	CBitmap * m_pHover; 
	CBitmap * m_pDisabled;	 
	CPoint m_CenterPoint;												// button caption will be centered around this point 
	BOOL m_bMouseDown;													// indicated that mouse is pressed down 
	BOOL m_bHover;														// indicates if mouse is over the button 
	BOOL m_bCapture;													// indicates that mouse is captured in the buton 
	HRGN m_hRgn;														// region in screen coordinates 
	BOOL m_bNeedBitmaps;												// flag idicates that state bitmaps must be rebuild 
	void DrawButton(CDC * pDC, CRect * pRect, UINT state);				// draws button to the screen 
	void PrepareStateBitmaps(CDC * pDC, CRect * pRect);					// prepares bitmaps for button states 
	BOOL HitTest(CPoint point);											// determines if point is inside the button region 
	void RgnPixelWork(CDC * pDC, CRgn * pRgn);							// region pixel work - unused 
	void FrameRgn3D(HDC hDC, const HRGN hRgn, BOOL bSunken);			// frames region to show 3D shadows 
	void CheckHover(CPoint point); 
protected: 
	void PrepareNormalState(CDC * pDC, CDC * pMemDC, CRect * pRect);	// prepare normal state button bitmap 
	void PrepareSelectedState(CDC * pDC, CDC * pMemDC, CRect * pRect);	// prepare selectedstate button bitmap 
	void PrepareHoverState(CDC * pDC, CDC * pMemDC, CRect * pRect);		// prepare hover state button bitmap 
	void PrepareDisabledState(CDC * pDC, CDC * pMemDC, CRect * pRect);	// prepare disabled state button bitmap 
	void DrawButtonCaption(HDC hDC, CRect * pRect, BOOL bEnabled, BOOL bSunken);	// draws button caption  
	void PaintRgn(CDC * pDC, CDC * pMemDC, CBitmap * pBitmap, COLORREF color, CRect * pRect, BOOL bEnabled, BOOL bSunken);	// paint button  
public: 
	CUniButton();				// constructor 
	virtual ~CUniButton();	// destructor 
	BOOL Create(LPCTSTR lpszCaption, DWORD dwStyle, const CPoint point, const HRGN hRgn, CWnd* pParentWnd, UINT nID); 
							// constructor with default colors and border 
	BOOL Create(LPCTSTR lpszCaption, DWORD dwStyle, const CPoint point, const HRGN hRgn, CWnd* pParentWnd, UINT nID, COLORREF color);	 
							// constructor with hover & selected color specified 
	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);	 
							// complex parameters constructor 
								// lpszCaption - window caption 
								// dwStyle - window styles 
								// point - position of the button on the parent window (in parent coordinates) 
								// hRgn - handle to region which represents the button (in button client coordinates) 
								// pParentWnd - handle to parent window 
								// nID - control Id 
								// nBorder - specifies width of the border in pixels for 3D highlight (allowed values are 1, 2) 
								// nColor - normal color  
								// sColor - selected color 
								// hColor - hover color 
								// dColor - disabled color 
	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); 
								// variation of above 
 
	void SetCursorOnBtnColor(COLORREF cr)  
	{ 
		m_hColor = cr; 
		m_bNeedBitmaps = true; 
	} 
}; 
 
///////////////////////////////////////////////////////////////////////////// 
 
//{{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_)