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DirectUI Window as in XP system folders

, 1 Aug 2004 CPOL
A control to show a list of possible tasks just as in XP.
/////////////////////////////////////////////////////////////////////////////
// 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);
}

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About the Author

Alexander Bischofberger
Web Developer
Germany Germany
Ok, a few words about me:
 
I started programming on the C64 by the "trial and error" method. Years later my parents got their first PC (Atari PC4, AT 8 MHz) where I started with Turbo Pascal. The next steps led to Turbo Pascal for Windows, Visual C++ 1.52c, and finally Visual C++ 6.
 
I had several chances to code larger projects, e.g.
* stand-alone disc copy station software (Win 3.1) with automatic reboot, disc encryption, ...
* government-used strategic decision system
* MLM marketing tool (www.upline.de)
* maintenance for show planning system and other TV software (www.hse24.de)
 
A lot of code, tipps and help came from this site for my later projects. Thanks again to all who helped me, even if they don't know it. I'm trying to share code (which is worth sharing) so others can get the help I got (and still need) for everyday problems.
 
Well, I think that's enough.

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