www.pudn.com > ButtonDemo.rar > XPButton.cpp

#include  
#include  
 
#include "stdafx.h" 
#include "XPButton.h" 
 
//#if(WINVER >= 0x0501) 
#ifdef	THEMEAPI 
#include  
#else 
#define	NO_THEMEAPI_FOUND 
 
#define	BP_PUSHBUTTON	0x00000001 
#define	PBS_NORMAL		0x00000001 
#define	PBS_HOT			0x00000002 
#define	PBS_PRESSED		0x00000003 
#define	PBS_DISABLED	0x00000004 
#define	PBS_DEFAULTED	0x00000005 
#endif 
 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[]=__FILE__; 
#define new DEBUG_NEW 
#endif 
 
CXPButton::CXPButton() 
{ 
	m_bIsXPStyle = TRUE; 
} 
 
CXPButton::~CXPButton() 
{ 
} 
 
// This function is called every time the button border needs to be painted. 
// If the button is in standard (not flat) mode this function will NOT be called. 
// This is a virtual function that can be rewritten in CMyButton-derived classes 
// to produce a whole range of buttons not available by default. 
// 
// Parameters: 
//		[IN]	pDC 
//				Pointer to a CDC object that indicates the device context. 
//		[IN]	pRect 
//				Pointer to a CRect object that indicates the bounds of the 
//				area to be painted. 
// 
// Return value: 
//		BTNST_OK 
//			Function executed successfully. 
// 
DWORD CXPButton::OnDrawBorder(CDC* /*pDC*/, LPCRECT /*pRect*/) 
{ 
	return BTNST_OK; 
} // End of OnDrawBorder 
 
// This function is called every time the button background needs to be painted. 
// If the button is in transparent mode this function will NOT be called. 
// This is a virtual function that can be rewritten in CMyButton-derived classes 
// to produce a whole range of buttons not available by default. 
// 
// Parameters: 
//		[IN]	pDC 
//				Pointer to a CDC object that indicates the device context. 
//		[IN]	pRect 
//				Pointer to a CRect object that indicates the bounds of the 
//				area to be painted. 
// 
// Return value: 
//		BTNST_OK 
//			Function executed successfully. 
// 
DWORD CXPButton::OnDrawBackground(CDC* pDC, LPCRECT pRect) 
{ 
	BOOL	bDefaultDraw = FALSE; 
 
	CMemDC dc( pDC ); 
	PaintBk(&dc); 
 
	// No theme helper passed 
	if (m_pTheme == NULL || m_pTheme->IsAppThemed() == FALSE) 
	{ 
		bDefaultDraw = TRUE; 
	} // if 
	else 
	{ 
		HTHEME	hTheme = NULL; 
		int		iStateId = 0; 
 
		hTheme = m_pTheme->OpenThemeData(GetSafeHwnd(), L"BUTTON"); 
		if (hTheme) 
		{ 
			iStateId = PBS_NORMAL;								// Normal 
			if (m_bIsDefault)		iStateId = PBS_DEFAULTED;	// Default button 
			if (m_bMouseOnButton)	iStateId = PBS_HOT;			// Hot 
			if (m_bIsPressed)		iStateId = PBS_PRESSED;		// Pressed 
			if (m_bIsDisabled)		iStateId = PBS_DISABLED;	// Disabled 
 
            m_pTheme->DrawThemeBackground(hTheme, dc.GetSafeHdc(), BP_PUSHBUTTON, iStateId, pRect, NULL); 
			 
			if ( m_bIsFocused ) 
			{ 
                CRect rc = pRect; 
				rc.DeflateRect( 3, 3 ); 
				dc.DrawFocusRect( rc ); 
			} 
 
			m_pTheme->CloseThemeData(hTheme); 
		} // if 
		else 
		{ 
			bDefaultDraw = TRUE; 
		} // else 
	} // else 
 
	if ( bDefaultDraw ) 
	{ 
		CRect rc( pRect ); 
		CRect rect = rc; 
 
		CPen pen1( PS_SOLID, 0, RGB(226, 222, 203) );   // 最左边的一条竖线 
		CPen pen2( PS_SOLID, 0, RGB(248, 247, 242) );	// 最底部的一条横线 
		CPen pen3, pen4; 
		 
		if ( m_bIsDisabled ) 
		{ 
			pen3.CreatePen( PS_SOLID, 0, RGB(216, 213, 199) );	// 圆角矩形(4,4) 
			pen4.CreatePen( PS_SOLID, 0, RGB(201, 199, 186) );		// 圆角矩形(6,6) 
		} 
		else 
		{ 
			pen3.CreatePen( PS_SOLID, 0, RGB(122, 149, 168) );	// 圆角矩形(4,4) 
			pen4.CreatePen( PS_SOLID, 0, RGB(0, 60, 116) );		// 圆角矩形(6,6) 
		} 
 
 
		COLORREF bkColorStart = RGB( 220, 214, 194 ); 
		COLORREF bkColorEnd = RGB( 245, 244, 235 ); 
		COLORREF FaceColorStart = RGB( 255, 255, 255 ); 
		COLORREF FaceColorEnd = RGB( 226, 223, 214 ); 
		COLORREF TextColorStart = RGB( 252, 252, 251 ); 
		COLORREF TextColorEnd = RGB( 236, 235, 230 ); 
 
		COLORREF bkColor = pDC->GetPixel( rc.right-1, rc.top ); 
		 
		int nSaveDC = dc.SaveDC(); 
		dc.SelectStockObject( NULL_BRUSH ); 
 
		// 画最左边的一条竖线和最底部的一条横线 
		if ( !m_bIsDisabled ) 
		{ 
			dc.SelectObject( &pen1 ); 
			dc.MoveTo( rc.left, rc.top+1 ); 
			dc.LineTo( rc.left, rc.bottom-1 ); 
 
			dc.SelectObject( &pen2 ); 
			dc.MoveTo( rc.left+2, rc.bottom-1 ); 
			dc.LineTo( rc.right-1, rc.bottom-1 ); 
		} 
		 
		// 画最底层背景 
		TRIVERTEX vert[2] ; 
		GRADIENT_RECT gRect; 
 
		vert [0].y = rect.top; 
		vert [0].x = rect.left+1; 
		vert [0].Red    = COLOR16( COLOR16( GetRValue( bkColorStart ) ) << 8); 
		vert [0].Green  = COLOR16( COLOR16( GetGValue( bkColorStart ) ) << 8); 
		vert [0].Blue   = COLOR16( COLOR16( GetBValue( bkColorStart ) ) << 8); 
		vert [0].Alpha  = 0x0000; 
 
		vert [1].y = rect.bottom-1; 
		vert [1].x = rect.right; 
		vert [1].Red    = COLOR16( COLOR16( GetRValue( bkColorEnd ) ) << 8); 
		vert [1].Green  = COLOR16( COLOR16( GetGValue( bkColorEnd ) ) << 8); 
		vert [1].Blue   = COLOR16( COLOR16( GetBValue( bkColorEnd ) ) << 8); 
		vert [1].Alpha  = 0xFF00; 
 
		gRect.UpperLeft  = 0; 
		gRect.LowerRight = 1; 
		if ( !m_bIsDisabled ) 
			GradientFill( dc.GetSafeHdc(), vert, 2, &gRect, 1, GRADIENT_FILL_RECT_V ); 
 
		// 如果有焦点 
		if ( ( m_bIsFocused ) || ( m_bIsDefault ) ) 
		{ 
            FaceColorStart = RGB( 206, 231, 255 ); 
			FaceColorEnd = RGB( 105, 130, 238 ); 
			rect = rc; 
			rect.DeflateRect( 2, 0, 0, 0 ); 
		} 
 
		// 如果是高亮 
		if ( m_bMouseOnButton ) 
		{ 
            FaceColorStart = RGB( 255, 240, 207 ); 
			FaceColorEnd = RGB( 229, 151, 0 ); 
			rect = rc; 
			rect.DeflateRect( 2, 0, 0, 0 ); 
		} 
 
		// 如果被按下 
		if ( m_bIsPressed ) 
		{ 
            FaceColorStart = RGB( 209, 204, 193 ); 
			FaceColorEnd = RGB( 242, 241, 238 ); 
 
			TextColorStart = RGB( 229, 228, 221 ); 
			TextColorEnd = RGB( 226, 226, 218 ); 
 
			rect = rc; 
			rect.DeflateRect( 2, 0, 0, 0 ); 
		} 
 
		// 如果被按下 
		if ( m_bIsDisabled ) 
		{ 
            FaceColorStart = RGB( 245, 244, 234 ); 
			FaceColorEnd = FaceColorStart; 
 
			TextColorStart = FaceColorStart; 
			TextColorEnd = FaceColorStart; 
 
			rect = rc; 
			rect.DeflateRect( 2, 0, 0, 0 ); 
		} 
 
		// 画 BUTTON 内部所有区域背景 
		vert [0].y = rc.top + 2; 
		vert [0].x = rc.left + 2; 
		vert [0].Red    = COLOR16( COLOR16( GetRValue( FaceColorStart ) ) << 8); 
		vert [0].Green  = COLOR16( COLOR16( GetGValue( FaceColorStart ) ) << 8 ); 
		vert [0].Blue   = COLOR16( COLOR16( GetBValue( FaceColorStart ) ) << 8 ); 
 
		vert [1].y = rc.bottom - 2 ; 
		vert [1].x = rc.right - 2; 
		vert [1].Red    = COLOR16( COLOR16( GetRValue( FaceColorEnd ) ) << 8 ); 
		vert [1].Green  = COLOR16( COLOR16( GetGValue( FaceColorEnd ) ) << 8 ); 
		vert [1].Blue   = COLOR16( COLOR16( GetBValue( FaceColorEnd ) ) << 8 ); 
		GradientFill( dc.GetSafeHdc(), vert, 2, &gRect, 1, GRADIENT_FILL_RECT_V ); 
 
		// 画 BUTTON 内部有效区域背景 
		vert [0].y = rect.top + 4; 
		vert [0].x = rect.left + 2; 
		vert [0].Red    = COLOR16( COLOR16( GetRValue( TextColorStart ) ) << 8); 
		vert [0].Green  = COLOR16( COLOR16( GetGValue( TextColorStart ) ) << 8 ); 
		vert [0].Blue   = COLOR16( COLOR16( GetBValue( TextColorStart ) ) << 8 ); 
 
		vert [1].y = rect.bottom - 4; 
		vert [1].x = rect.right - 4; 
		vert [1].Red    = COLOR16( COLOR16( GetRValue( TextColorEnd ) ) << 8 ); 
		vert [1].Green  = COLOR16( COLOR16( GetGValue( TextColorEnd ) ) << 8 ); 
		vert [1].Blue   = COLOR16( COLOR16( GetBValue( TextColorEnd ) ) << 8 ); 
		GradientFill( dc.GetSafeHdc(), vert, 2, &gRect, 1, GRADIENT_FILL_RECT_V ); 
		 
		// 如果有焦点 
		if ( m_bIsFocused ) 
		{	 
			rect = rc; 
			rect.DeflateRect( 3, 3 ); 
			dc.DrawFocusRect( rect ); 
		} 
		 
		// 画椭圆形外框 
		rect = rc; 
		rect.DeflateRect( 1, 1 ); 
		dc.SelectObject( &pen3 ); 
		dc.RoundRect( rect, CPoint( 4, 4 ) ); 
 
		dc.SelectObject( &pen4 ); 
		dc.RoundRect( rect, CPoint( 6, 6 ) ); 
 
		// 去除右上角的多余点 
		dc.SetPixel( rc.right-1, rc.top, bkColor ); 
 
		dc.RestoreDC( nSaveDC ); 
	} // if 
 
	return BTNST_OK; 
} // End of OnDrawBackground 
 
#ifdef	NO_THEMEAPI_FOUND 
#undef	NO_THEMEAPI_FOUND 
#undef	BP_PUSHBUTTON 
#undef	PBS_NORMAL 
#undef	PBS_HOT 
#undef	PBS_PRESSED 
#undef	PBS_DISABLED 
#undef	PBS_DEFAULTED 
#endif