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VisualStylesXP.cpp：源码内容
							/////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2001-2002 by David Yuheng Zhao
//
// Distribute and change freely, except: don't remove my name from the source 
//
// No warrantee of any kind, express or implied, is included with this
// software; use at your own risk, responsibility for damages (if any) to
// anyone resulting from the use of this software rests entirely with the
// user.
//
// Partly based on the _ThemeHelper struct in MFC7.0 source code (winctrl3.cpp), 
// and the difference is that this implementation wraps the full set of 
// visual style APIs from the platform SDK August 2001
//
// If you have any questions, I can be reached as follows:
//	yuheng_zhao@yahoo.com
//
//
// How to use:
// Instead of calling the API directly, 
//    OpenThemeData(...);
// use the global variable
//    g_xpStyle.OpenThemeData(...);
//
/////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "visualstylesxp.h"
//CVisualStylesXP g_xpStyle;
CVisualStylesXP::CVisualStylesXP(void)
{
	m_hThemeDll = LoadLibrary(_T("UxTheme.dll"));
}
CVisualStylesXP::~CVisualStylesXP(void)
{
	if (m_hThemeDll!=NULL)
		FreeLibrary(m_hThemeDll);
	m_hThemeDll = NULL;
}
void* CVisualStylesXP::GetProc(LPCSTR szProc, void* pfnFail)
{
	void* pRet = pfnFail;
	if (m_hThemeDll != NULL)
		pRet = GetProcAddress(m_hThemeDll, szProc);
	return pRet;
}
HTHEME CVisualStylesXP::OpenThemeData(HWND hwnd, LPCWSTR pszClassList)
{
	PFNOPENTHEMEDATA pfnOpenThemeData = (PFNOPENTHEMEDATA)GetProc("OpenThemeData", (void*)OpenThemeDataFail);
	return (*pfnOpenThemeData)(hwnd, pszClassList);
}
HRESULT CVisualStylesXP::CloseThemeData(HTHEME hTheme)
{
	PFNCLOSETHEMEDATA pfnCloseThemeData = (PFNCLOSETHEMEDATA)GetProc("CloseThemeData", (void*)CloseThemeDataFail);
	return (*pfnCloseThemeData)(hTheme);
}
HRESULT CVisualStylesXP::DrawThemeBackground(HTHEME hTheme, HDC hdc, 
											 int iPartId, int iStateId, const RECT *pRect, const RECT *pClipRect)
{
	PFNDRAWTHEMEBACKGROUND pfnDrawThemeBackground = 
		(PFNDRAWTHEMEBACKGROUND)GetProc("DrawThemeBackground", (void*)DrawThemeBackgroundFail);
	return (*pfnDrawThemeBackground)(hTheme, hdc, iPartId, iStateId, pRect, pClipRect);
}
HRESULT CVisualStylesXP::DrawThemeText(HTHEME hTheme, HDC hdc, int iPartId, 
									   int iStateId, LPCWSTR pszText, int iCharCount, DWORD dwTextFlags, 
									   DWORD dwTextFlags2, const RECT *pRect)
{
	PFNDRAWTHEMETEXT pfn = (PFNDRAWTHEMETEXT)GetProc("DrawThemeText", (void*)DrawThemeTextFail);
	return (*pfn)(hTheme, hdc, iPartId, iStateId, pszText, iCharCount, dwTextFlags, dwTextFlags2, pRect);
}
HRESULT CVisualStylesXP::GetThemeBackgroundContentRect(HTHEME hTheme,  HDC hdc, 
													   int iPartId, int iStateId,  const RECT *pBoundingRect, 
													   RECT *pContentRect)
{
	PFNGETTHEMEBACKGROUNDCONTENTRECT pfn = (PFNGETTHEMEBACKGROUNDCONTENTRECT)GetProc("GetThemeBackgroundContentRect", (void*)GetThemeBackgroundContentRectFail);
	return (*pfn)(hTheme,  hdc, iPartId, iStateId,  pBoundingRect, pContentRect);
}
HRESULT CVisualStylesXP::GetThemeBackgroundExtent(HTHEME hTheme,  HDC hdc,
												  int iPartId, int iStateId, const RECT *pContentRect, 
												  RECT *pExtentRect)
{
	PFNGETTHEMEBACKGROUNDEXTENT pfn = (PFNGETTHEMEBACKGROUNDEXTENT)GetProc("GetThemeBackgroundExtent", (void*)GetThemeBackgroundExtentFail);
	return (*pfn)(hTheme, hdc, iPartId, iStateId, pContentRect, pExtentRect);
}
HRESULT CVisualStylesXP::GetThemePartSize(HTHEME hTheme, HDC hdc, 
										  int iPartId, int iStateId, RECT * pRect, enum THEMESIZE eSize, SIZE *psz)
{
	PFNGETTHEMEPARTSIZE pfnGetThemePartSize = 
		(PFNGETTHEMEPARTSIZE)GetProc("GetThemePartSize", (void*)GetThemePartSizeFail);
	return (*pfnGetThemePartSize)(hTheme, hdc, iPartId, iStateId, pRect, eSize, psz);
}
HRESULT CVisualStylesXP::GetThemeTextExtent(HTHEME hTheme, HDC hdc, 
											int iPartId, int iStateId, LPCWSTR pszText, int iCharCount, 
											DWORD dwTextFlags,  const RECT *pBoundingRect, 
											RECT *pExtentRect)
{
	PFNGETTHEMETEXTEXTENT pfn = (PFNGETTHEMETEXTEXTENT)GetProc("GetThemeTextExtent", (void*)GetThemeTextExtentFail);
	return (*pfn)(hTheme, hdc, iPartId, iStateId, pszText, iCharCount, dwTextFlags,  pBoundingRect, pExtentRect);
}
HRESULT CVisualStylesXP::GetThemeTextMetrics(HTHEME hTheme,  HDC hdc, 
											 int iPartId, int iStateId,  TEXTMETRIC* ptm)
{
	PFNGETTHEMETEXTMETRICS pfn = (PFNGETTHEMETEXTMETRICS)GetProc("GetThemeTextMetrics", (void*)GetThemeTextMetricsFail);
	return (*pfn)(hTheme, hdc, iPartId, iStateId,  ptm);
}
HRESULT CVisualStylesXP::GetThemeBackgroundRegion(HTHEME hTheme,  HDC hdc,  
												  int iPartId, int iStateId, const RECT *pRect,  HRGN *pRegion)
{
	PFNGETTHEMEBACKGROUNDREGION pfn = (PFNGETTHEMEBACKGROUNDREGION)GetProc("GetThemeBackgroundRegion", (void*)GetThemeBackgroundRegionFail);
	return (*pfn)(hTheme, hdc, iPartId, iStateId, pRect, pRegion);
}
HRESULT CVisualStylesXP::HitTestThemeBackground(HTHEME hTheme,  HDC hdc, int iPartId, 
												int iStateId, DWORD dwOptions, const RECT *pRect,  HRGN hrgn, 
												POINT ptTest,  WORD *pwHitTestCode)
{
	PFNHITTESTTHEMEBACKGROUND pfn = (PFNHITTESTTHEMEBACKGROUND)GetProc("HitTestThemeBackground", (void*)HitTestThemeBackgroundFail);
	return (*pfn)(hTheme, hdc, iPartId, iStateId, dwOptions, pRect, hrgn, ptTest, pwHitTestCode);
}
HRESULT CVisualStylesXP::DrawThemeEdge(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, 
									   const RECT *pDestRect, UINT uEdge, UINT uFlags,   RECT *pContentRect)
{
	PFNDRAWTHEMEEDGE pfn = (PFNDRAWTHEMEEDGE)GetProc("DrawThemeEdge", (void*)DrawThemeEdgeFail);
	return (*pfn)(hTheme, hdc, iPartId, iStateId, pDestRect, uEdge, uFlags, pContentRect);
}
HRESULT CVisualStylesXP::DrawThemeIcon(HTHEME hTheme, HDC hdc, int iPartId, 
									   int iStateId, const RECT *pRect, HIMAGELIST himl, int iImageIndex)
{
	PFNDRAWTHEMEICON pfn = (PFNDRAWTHEMEICON)GetProc("DrawThemeIcon", (void*)DrawThemeIconFail);
	return (*pfn)(hTheme, hdc, iPartId, iStateId, pRect, himl, iImageIndex);
}
BOOL CVisualStylesXP::IsThemePartDefined(HTHEME hTheme, int iPartId, 
										 int iStateId)
{
	PFNISTHEMEPARTDEFINED pfn = (PFNISTHEMEPARTDEFINED)GetProc("IsThemePartDefined", (void*)IsThemePartDefinedFail);
	return (*pfn)(hTheme, iPartId, iStateId);
}
BOOL CVisualStylesXP::IsThemeBackgroundPartiallyTransparent(HTHEME hTheme, 
															int iPartId, int iStateId)
{
	PFNISTHEMEBACKGROUNDPARTIALLYTRANSPARENT pfn = (PFNISTHEMEBACKGROUNDPARTIALLYTRANSPARENT)GetProc("IsThemeBackgroundPartiallyTransparent", (void*)IsThemeBackgroundPartiallyTransparentFail);
	return (*pfn)(hTheme, iPartId, iStateId);
}
HRESULT CVisualStylesXP::GetThemeColor(HTHEME hTheme, int iPartId, 
									   int iStateId, int iPropId,  COLORREF *pColor)
{
	PFNGETTHEMECOLOR pfn = (PFNGETTHEMECOLOR)GetProc("GetThemeColor", (void*)GetThemeColorFail);
	return (*pfn)(hTheme, iPartId, iStateId, iPropId, pColor);
}
HRESULT CVisualStylesXP::GetThemeMetric(HTHEME hTheme,  HDC hdc, int iPartId, 
										int iStateId, int iPropId,  int *piVal)
{
	PFNGETTHEMEMETRIC pfn = (PFNGETTHEMEMETRIC)GetProc("GetThemeMetric", (void*)GetThemeMetricFail);
	return (*pfn)(hTheme, hdc, iPartId, iStateId, iPropId, piVal);
}
HRESULT CVisualStylesXP::GetThemeString(HTHEME hTheme, int iPartId, 
										int iStateId, int iPropId,  LPWSTR pszBuff, int cchMaxBuffChars)
{
	PFNGETTHEMESTRING pfn = (PFNGETTHEMESTRING)GetProc("GetThemeString", (void*)GetThemeStringFail);
	return (*pfn)(hTheme, iPartId, iStateId, iPropId, pszBuff, cchMaxBuffChars);
}
HRESULT CVisualStylesXP::GetThemeBool(HTHEME hTheme, int iPartId, 
									  int iStateId, int iPropId,  BOOL *pfVal)
{
	PFNGETTHEMEBOOL pfn = (PFNGETTHEMEBOOL)GetProc("GetThemeBool", (void*)GetThemeBoolFail);
	return (*pfn)(hTheme, iPartId, iStateId, iPropId, pfVal);
}
HRESULT CVisualStylesXP::GetThemeInt(HTHEME hTheme, int iPartId, 
									 int iStateId, int iPropId,  int *piVal)
{
	PFNGETTHEMEINT pfn = (PFNGETTHEMEINT)GetProc("GetThemeInt", (void*)GetThemeIntFail);
	return (*pfn)(hTheme, iPartId, iStateId, iPropId, piVal);
}
HRESULT CVisualStylesXP::GetThemeEnumValue(HTHEME hTheme, int iPartId, 
										   int iStateId, int iPropId,  int *piVal)
{
	PFNGETTHEMEENUMVALUE pfn = (PFNGETTHEMEENUMVALUE)GetProc("GetThemeEnumValue", (void*)GetThemeEnumValueFail);
	return (*pfn)(hTheme, iPartId, iStateId, iPropId, piVal);
}
HRESULT CVisualStylesXP::GetThemePosition(HTHEME hTheme, int iPartId, 
										  int iStateId, int iPropId,  POINT *pPoint)
{
	PFNGETTHEMEPOSITION pfn = (PFNGETTHEMEPOSITION)GetProc("GetThemePosition", (void*)GetThemePositionFail);
	return (*pfn)(hTheme, iPartId, iStateId, iPropId, pPoint);
}
HRESULT CVisualStylesXP::GetThemeFont(HTHEME hTheme,  HDC hdc, int iPartId, 
									  int iStateId, int iPropId,  LOGFONT *pFont)
{
	PFNGETTHEMEFONT pfn = (PFNGETTHEMEFONT)GetProc("GetThemeFont", (void*)GetThemeFontFail);
	return (*pfn)(hTheme, hdc, iPartId, iStateId, iPropId, pFont);
}
HRESULT CVisualStylesXP::GetThemeRect(HTHEME hTheme, int iPartId, 
									  int iStateId, int iPropId,  RECT *pRect)
{
	PFNGETTHEMERECT pfn = (PFNGETTHEMERECT)GetProc("GetThemeRect", (void*)GetThemeRectFail);
	return (*pfn)(hTheme, iPartId, iStateId, iPropId, pRect);
}
HRESULT CVisualStylesXP::GetThemeMargins(HTHEME hTheme,  HDC hdc, int iPartId, 
										 int iStateId, int iPropId,  RECT *prc,  MARGINS *pMargins)
{
	PFNGETTHEMEMARGINS pfn = (PFNGETTHEMEMARGINS)GetProc("GetThemeMargins", (void*)GetThemeMarginsFail);
	return (*pfn)(hTheme, hdc, iPartId, iStateId, iPropId, prc, pMargins);
}
HRESULT CVisualStylesXP::GetThemeIntList(HTHEME hTheme, int iPartId, 
										 int iStateId, int iPropId,  INTLIST *pIntList)
{
	PFNGETTHEMEINTLIST pfn = (PFNGETTHEMEINTLIST)GetProc("GetThemeIntList", (void*)GetThemeIntListFail);
	return (*pfn)(hTheme, iPartId, iStateId, iPropId, pIntList);
}
HRESULT CVisualStylesXP::GetThemePropertyOrigin(HTHEME hTheme, int iPartId, 
												int iStateId, int iPropId,  enum PROPERTYORIGIN *pOrigin)
{
	PFNGETTHEMEPROPERTYORIGIN pfn = (PFNGETTHEMEPROPERTYORIGIN)GetProc("GetThemePropertyOrigin", (void*)GetThemePropertyOriginFail);
	return (*pfn)(hTheme, iPartId, iStateId, iPropId, pOrigin);
}
HRESULT CVisualStylesXP::SetWindowTheme(HWND hwnd, LPCWSTR pszSubAppName, 
										LPCWSTR pszSubIdList)
{
	PFNSETWINDOWTHEME pfn = (PFNSETWINDOWTHEME)GetProc("SetWindowTheme", (void*)SetWindowThemeFail);
	return (*pfn)(hwnd, pszSubAppName, pszSubIdList);
}
HRESULT CVisualStylesXP::GetThemeFilename(HTHEME hTheme, int iPartId, 
										  int iStateId, int iPropId,  LPWSTR pszThemeFileName, int cchMaxBuffChars)
{
	PFNGETTHEMEFILENAME pfn = (PFNGETTHEMEFILENAME)GetProc("GetThemeFilename", (void*)GetThemeFilenameFail);
	return (*pfn)(hTheme, iPartId, iStateId, iPropId,  pszThemeFileName, cchMaxBuffChars);
}
COLORREF CVisualStylesXP::GetThemeSysColor(HTHEME hTheme, int iColorId)
{
	PFNGETTHEMESYSCOLOR pfn = (PFNGETTHEMESYSCOLOR)GetProc("GetThemeSysColor", (void*)GetThemeSysColorFail);
	return (*pfn)(hTheme, iColorId);
}
HBRUSH CVisualStylesXP::GetThemeSysColorBrush(HTHEME hTheme, int iColorId)
{
	PFNGETTHEMESYSCOLORBRUSH pfn = (PFNGETTHEMESYSCOLORBRUSH)GetProc("GetThemeSysColorBrush", (void*)GetThemeSysColorBrushFail);
	return (*pfn)(hTheme, iColorId);
}
BOOL CVisualStylesXP::GetThemeSysBool(HTHEME hTheme, int iBoolId)
{
	PFNGETTHEMESYSBOOL pfn = (PFNGETTHEMESYSBOOL)GetProc("GetThemeSysBool", (void*)GetThemeSysBoolFail);
	return (*pfn)(hTheme, iBoolId);
}
int CVisualStylesXP::GetThemeSysSize(HTHEME hTheme, int iSizeId)
{
	PFNGETTHEMESYSSIZE pfn = (PFNGETTHEMESYSSIZE)GetProc("GetThemeSysSize", (void*)GetThemeSysSizeFail);
	return (*pfn)(hTheme, iSizeId);
}
HRESULT CVisualStylesXP::GetThemeSysFont(HTHEME hTheme, int iFontId,  LOGFONT *plf)
{
	PFNGETTHEMESYSFONT pfn = (PFNGETTHEMESYSFONT)GetProc("GetThemeSysFont", (void*)GetThemeSysFontFail);
	return (*pfn)(hTheme, iFontId, plf);
}
HRESULT CVisualStylesXP::GetThemeSysString(HTHEME hTheme, int iStringId, 
										   LPWSTR pszStringBuff, int cchMaxStringChars)
{
	PFNGETTHEMESYSSTRING pfn = (PFNGETTHEMESYSSTRING)GetProc("GetThemeSysString", (void*)GetThemeSysStringFail);
	return (*pfn)(hTheme, iStringId, pszStringBuff, cchMaxStringChars);
}
HRESULT CVisualStylesXP::GetThemeSysInt(HTHEME hTheme, int iIntId, int *piValue)
{
	PFNGETTHEMESYSINT pfn = (PFNGETTHEMESYSINT)GetProc("GetThemeSysInt", (void*)GetThemeSysIntFail);
	return (*pfn)(hTheme, iIntId, piValue);
}
BOOL CVisualStylesXP::IsThemeActive()
{
	PFNISTHEMEACTIVE pfn = (PFNISTHEMEACTIVE)GetProc("IsThemeActive", (void*)IsThemeActiveFail);
	return (*pfn)();
}
BOOL CVisualStylesXP::IsAppThemed()
{
	PFNISAPPTHEMED pfnIsAppThemed = (PFNISAPPTHEMED)GetProc("IsAppThemed", (void*)IsAppThemedFail);
	return (*pfnIsAppThemed)();
}
HTHEME CVisualStylesXP::GetWindowTheme(HWND hwnd)
{
	PFNGETWINDOWTHEME pfn = (PFNGETWINDOWTHEME)GetProc("GetWindowTheme", (void*)GetWindowThemeFail);
	return (*pfn)(hwnd);
}
HRESULT CVisualStylesXP::EnableThemeDialogTexture(HWND hwnd, DWORD dwFlags)
{
	PFNENABLETHEMEDIALOGTEXTURE pfn = (PFNENABLETHEMEDIALOGTEXTURE)GetProc("EnableThemeDialogTexture", (void*)EnableThemeDialogTextureFail);
	return (*pfn)(hwnd, dwFlags);
}
BOOL CVisualStylesXP::IsThemeDialogTextureEnabled(HWND hwnd)
{
	PFNISTHEMEDIALOGTEXTUREENABLED pfn = (PFNISTHEMEDIALOGTEXTUREENABLED)GetProc("IsThemeDialogTextureEnabled", (void*)IsThemeDialogTextureEnabledFail);
	return (*pfn)(hwnd);
}
DWORD CVisualStylesXP::GetThemeAppProperties()
{
	PFNGETTHEMEAPPPROPERTIES pfn = (PFNGETTHEMEAPPPROPERTIES)GetProc("GetThemeAppProperties", (void*)GetThemeAppPropertiesFail);
	return (*pfn)();
}
void CVisualStylesXP::SetThemeAppProperties(DWORD dwFlags)
{
	PFNSETTHEMEAPPPROPERTIES pfn = (PFNSETTHEMEAPPPROPERTIES)GetProc("SetThemeAppProperties", (void*)SetThemeAppPropertiesFail);
	(*pfn)(dwFlags);
}
HRESULT CVisualStylesXP::GetCurrentThemeName(
	LPWSTR pszThemeFileName, int cchMaxNameChars, 
	LPWSTR pszColorBuff, int cchMaxColorChars,
	LPWSTR pszSizeBuff, int cchMaxSizeChars)
{
	PFNGETCURRENTTHEMENAME pfn = (PFNGETCURRENTTHEMENAME)GetProc("GetCurrentThemeName", (void*)GetCurrentThemeNameFail);
	return (*pfn)(pszThemeFileName, cchMaxNameChars, pszColorBuff, cchMaxColorChars, pszSizeBuff, cchMaxSizeChars);
}
HRESULT CVisualStylesXP::GetThemeDocumentationProperty(LPCWSTR pszThemeName,
													   LPCWSTR pszPropertyName,  LPWSTR pszValueBuff, int cchMaxValChars)
{
	PFNGETTHEMEDOCUMENTATIONPROPERTY pfn = (PFNGETTHEMEDOCUMENTATIONPROPERTY)GetProc("GetThemeDocumentationProperty", (void*)GetThemeDocumentationPropertyFail);
	return (*pfn)(pszThemeName, pszPropertyName, pszValueBuff, cchMaxValChars);
}
HRESULT CVisualStylesXP::DrawThemeParentBackground(HWND hwnd, HDC hdc,  RECT* prc)
{
	PFNDRAWTHEMEPARENTBACKGROUND pfn = (PFNDRAWTHEMEPARENTBACKGROUND)GetProc("DrawThemeParentBackground", (void*)DrawThemeParentBackgroundFail);
	return (*pfn)(hwnd, hdc, prc);
}
HRESULT CVisualStylesXP::EnableTheming(BOOL fEnable)
{
	PFNENABLETHEMING pfn = (PFNENABLETHEMING)GetProc("EnableTheming", (void*)EnableThemingFail);
	return (*pfn)(fEnable);
}

						