Applied patch [ 619386 ] uxtheme.dll support

with filename changes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20819 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/msw/uxtheme.h b/include/wx/msw/uxtheme.h
new file mode 100644 (file)
index 0000000..666202b
--- /dev/null
+++ b/include/wx/msw/uxtheme.h
@@ -0,0 +1,320 @@
+/*
+ * wxuxthem.h : wxWindows support for Microsoft Windows XP Theme library
+ *                (uxtheme.dll)
+ * Modified to work with almost all Win32 compilers
+ * Compiler must support Unicode, the __cdecl calling convention, and the
+ * __stdcall calling convention
+ */
+
+#ifndef _WX_UXTHEME_H_
+#define _WX_UXTHEME_H_
+
+// Use wxModule approach to initialization.
+#define WXU_USE_WXMODULE 1
+
+#if wxUSE_UNICODE
+typedef struct _WXUOSVERSIONINFOEXW {
+    WXDWORD        dwOSVersionInfoSize;
+    WXDWORD        dwMajorVersion;
+    WXDWORD        dwMinorVersion;
+    WXDWORD        dwBuildNumber;
+    WXDWORD        dwPlatformId;
+    wchar_t        szCSDVersion[ 128 ];     // Maintenance string for PSS usage
+    unsigned short wServicePackMajor;
+    unsigned short wServicePackMinor;
+    unsigned short wSuiteMask;
+    unsigned char  wProductType;
+    unsigned char  wReserved;
+} WXUOSVERSIONINFOEXW, *PWXUOSVERSIONINFOEXW, *LPWXUOSVERSIONINFOEXW;
+#define WXUOSVERSIONINFOEX WXUOSVERSIONINFOEXW
+#define PWXUOSVERSIONINFOEX PWXUOSVERSIONINFOEXW
+#define LPWXUOSVERSIONINFOEX LPWXUOSVERSIONINFOEXW
+#else
+typedef struct _WXUOSVERSIONINFOEXA {
+    WXDWORD        dwOSVersionInfoSize;
+    WXDWORD        dwMajorVersion;
+    WXDWORD        dwMinorVersion;
+    WXDWORD        dwBuildNumber;
+    WXDWORD        dwPlatformId;
+    char           szCSDVersion [128];     // Maintenance string for PSS usage
+    unsigned short wServicePackMajor;
+    unsigned short wServicePackMinor;
+    unsigned short wSuiteMask;
+    unsigned char  wProductType;
+    unsigned char  wReserved;
+} WXUOSVERSIONINFOEXA, *PWXUOSVERSIONINFOEXA, *LPWXUOSVERSIONINFOEXA;
+#define WXUOSVERSIONINFOEX WXUOSVERSIONINFOEXA
+#define PWXUOSVERSIONINFOEX PWXUOSVERSIONINFOEXA
+#define LPWXUOSVERSIONINFOEX LPWXUOSVERSIONINFOEXA
+#endif
+
+typedef int WXUBOOL ;
+
+typedef struct tagWXURECT
+{
+    long    left;
+    long    top;
+    long    right;
+    long    bottom;
+} WXURECT ;
+
+typedef void* WXHTHEME;
+typedef long WXUHRESULT;
+typedef WXHTHEME (__stdcall *PFNWXUOPENTHEMEDATA)(WXHWND, const wchar_t *) ; 
+typedef WXUHRESULT (__stdcall *PFNWXUCLOSETHEMEDATA)(WXHTHEME) ;
+typedef WXUHRESULT (__stdcall *PFNWXUDRAWTHEMEBACKGROUND)(WXHTHEME, WXHDC, 
+    int, int, const WXURECT *, const WXURECT *) ;
+#define WXU_DTT_GRAYED 0x1
+typedef WXUHRESULT (__stdcall *PFNWXUDRAWTHEMETEXT)(WXHTHEME, WXHDC, int, 
+    int, const wchar_t *, int, DWORD, 
+    DWORD, const WXURECT *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEBACKGROUNDCONTENTRECT)(WXHTHEME, WXHDC, 
+    int, int, const WXURECT *, WXURECT *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEBACKGROUNDEXTENT)(WXHTHEME, WXHDC, int, int, 
+    const WXURECT *, WXURECT *) ;
+
+typedef enum WXUTHEMESIZE
+{
+    WXU_TS_MIN,             // minimum size
+    WXU_TS_TRUE,            // size without stretching
+    WXU_TS_DRAW,            // size that theme mgr will use to draw part
+};
+
+typedef struct tagWXUSIZE
+{
+    long        cx;
+    long        cy;
+} WXUSIZE ;
+
+typedef struct tagWXUTEXTMETRIC
+{
+    long          tmHeight;
+    long          tmAscent;
+    long          tmDescent;
+    long          tmInternalLeading;
+    long          tmExternalLeading;
+    long          tmAveCharWidth;
+    long          tmMaxCharWidth;
+    long          tmWeight;
+    long          tmOverhang;
+    long          tmDigitizedAspectX;
+    long          tmDigitizedAspectY;
+    wchar_t       tmFirstChar;
+    wchar_t       tmLastChar;
+    wchar_t       tmDefaultChar;
+    wchar_t       tmBreakChar;
+    unsigned char tmItalic;
+    unsigned char tmUnderlined;
+    unsigned char tmStruckOut;
+    unsigned char tmPitchAndFamily;
+    unsigned char tmCharSet;
+} WXUTEXTMETRIC;
+
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEPARTSIZE)(WXHTHEME, WXHDC, int, int, const WXURECT *, 
+    enum WXUTHEMESIZE, WXUSIZE *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMETEXTEXTENT)(WXHTHEME, WXHDC, int, int, const wchar_t *, 
+    int, WXDWORD, const WXURECT *, WXURECT *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMETEXTMETRICS)(WXHTHEME, WXHDC,
+    int, int, WXUTEXTMETRIC*);
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEBACKGROUNDREGION)(WXHTHEME, WXHDC,
+    int, int, const WXURECT *, WXHRGN *) ;
+
+#define WXU_HTTB_BACKGROUNDSEG          0x0000
+#define WXU_HTTB_FIXEDBORDER            0x0002
+#define WXU_HTTB_CAPTION                0x0004
+#define WXU_HTTB_RESIZINGBORDER_LEFT    0x0010
+#define WXU_HTTB_RESIZINGBORDER_TOP     0x0020
+#define WXU_HTTB_RESIZINGBORDER_RIGHT   0x0040
+#define WXU_HTTB_RESIZINGBORDER_BOTTOM  0x0080
+#define WXU_HTTB_RESIZINGBORDER         0x00F0
+#define WXU_HTTB_SIZINGTEMPLATE         0x0100
+#define WXU_HTTB_SYSTEMSIZINGMARGINS    0x0200
+
+typedef struct tagWXUPOINT
+{
+    long x;
+    long y;
+} WXUPOINT ;
+
+typedef WXUHRESULT (__stdcall *PFNWXUHITTESTTHEMEBACKGROUND)(WXHTHEME, WXHDC, int,
+    int, WXDWORD, const WXURECT *, WXHRGN,
+    WXUPOINT, unsigned short *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUDRAWTHEMEEDGE)(WXHTHEME, WXHDC, int, int,
+    const WXURECT *, unsigned int, unsigned int, WXURECT *);
+typedef WXUHRESULT (__stdcall *PFNWXUDRAWTHEMEICON)(WXHTHEME, WXHDC, int, int,
+    const WXURECT *, WXHIMAGELIST, int) ;
+typedef WXUBOOL (__stdcall *PFNWXUISTHEMEPARTDEFINED)(WXHTHEME, int, int) ;
+typedef WXUBOOL (__stdcall *PFNWXUISTHEMEBACKGROUNDPARTIALLYTRANSPARENT)(WXHTHEME, int, int) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMECOLOR)(WXHTHEME, int, int, int, WXCOLORREF) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEMETRIC)(WXHTHEME, WXHDC, int,
+    int, int, int *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMESTRING)(WXHTHEME, int,
+    int, int, wchar_t *, int) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEBOOL)(WXHTHEME, int, int, int, WXUBOOL *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEINT)(WXHTHEME, int, int, int, int *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEENUMVALUE)(WXHTHEME, int, int, int, int *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEPOSITION)(WXHTHEME, int, int, int, WXUPOINT *) ;
+typedef struct tagWXULOGFONT
+{
+    long          lfHeight;
+    long          lfWidth;
+    long          lfEscapement;
+    long          lfOrientation;
+    long          lfWeight;
+    unsigned char lfItalic;
+    unsigned char lfUnderline;
+    unsigned char lfStrikeOut;
+    unsigned char lfCharSet;
+    unsigned char lfOutPrecision;
+    unsigned char lfClipPrecision;
+    unsigned char lfQuality;
+    unsigned char lfPitchAndFamily;
+    wchar_t       lfFaceName[32];
+} WXULOGFONT ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEFONT)(WXHTHEME, WXHDC, int, int, int, WXULOGFONT *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMERECT)(WXHTHEME, int, int, int, WXURECT *) ;
+typedef struct _WXUMARGINS
+{
+    int cxLeftWidth;      // width of left border that retains its size
+    int cxRightWidth;     // width of right border that retains its size
+    int cyTopHeight;      // height of top border that retains its size
+    int cyBottomHeight;   // height of bottom border that retains its size
+} WXUMARGINS, *PWXUMARGINS;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEMARGINS)(WXHTHEME, WXHDC, int,
+    int, int, WXURECT *, WXUMARGINS *) ;
+
+#define WXU_MAX_INTLIST_COUNT 10
+typedef struct _WXUINTLIST
+{
+    int iValueCount;      // number of values in iValues
+    int iValues[WXU_MAX_INTLIST_COUNT];
+} WXUINTLIST, *PWXUINTLIST;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEINTLIST)(WXHTHEME, int,
+       int, int, WXUINTLIST*) ;
+typedef enum WXUPROPERTYORIGIN
+{
+    WXU_PO_STATE,           // property was found in the state section
+    WXU_PO_PART,            // property was found in the part section
+    WXU_PO_CLASS,           // property was found in the class section
+    WXU_PO_GLOBAL,          // property was found in [globals] section
+    WXU_PO_NOTFOUND         // property was not found
+};
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEPROPERTYORIGIN)(WXHTHEME, int,
+    int, int, enum WXUPROPERTYORIGIN *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUSETWINDOWTHEME)(WXHWND, const wchar_t*, const wchar_t *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEFILENAME)(WXHTHEME, int, int, int, wchar_t *, int) ;
+typedef WXCOLORREF (__stdcall *PFNWXUGETTHEMESYSCOLOR)(WXHTHEME, int) ;
+typedef WXHBRUSH (__stdcall *PFNWXUGETTHEMESYSCOLORBRUSH)(WXHTHEME, int) ;
+typedef WXUBOOL (__stdcall *PFNWXUGETTHEMESYSBOOL)(WXHTHEME, int) ;
+typedef int (__stdcall *PFNWXUGETTHEMESYSSIZE)(WXHTHEME, int) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMESYSFONT)(WXHTHEME, int, WXULOGFONT *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMESYSSTRING)(WXHTHEME, int, wchar_t *, int) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMESYSINT)(WXHTHEME, int, int *) ;
+typedef WXUBOOL (__stdcall *PFNWXUISTHEMEACTIVE)() ;
+typedef WXUBOOL (__stdcall *PFNWXUISAPPTHEMED)() ;
+typedef WXHTHEME (__stdcall *PFNWXUGETWINDOWTHEME)(WXHWND) ;
+
+#define WXU_ETDT_DISABLE        0x00000001
+#define WXU_ETDT_ENABLE         0x00000002
+#define WXU_ETDT_USETABTEXTURE  0x00000004
+#define WXU_ETDT_ENABLETAB      0x00000006
+
+typedef WXUHRESULT (__stdcall *PFNWXUENABLETHEMEDIALOGTEXTURE)(WXHWND, WXDWORD) ;
+typedef WXUBOOL (__stdcall *PFNWXUISTHEMEDIALOGTEXTUREENABLED)(WXHWND) ;
+
+#define WXU_STAP_ALLOW_NONCLIENT    1
+#define WXU_STAP_ALLOW_CONTROLS     2
+#define WXU_STAP_ALLOW_WEBCONTENT   4
+
+typedef WXDWORD (__stdcall *PFNWXUGETTHEMEAPPPROPERTIES)() ;
+typedef void (__stdcall *PFNWXUSETTHEMEAPPPROPERTIES)(WXDWORD) ;
+typedef WXUHRESULT (__stdcall *PFNWXUGETCURRENTTHEMENAME)(wchar_t *, int, 
+    wchar_t *, int, wchar_t *, int) ;
+
+#define WXU_SZ_THDOCPROP_DISPLAYNAME                L"DisplayName"
+#define WXU_SZ_THDOCPROP_CANONICALNAME              L"ThemeName"
+#define WXU_SZ_THDOCPROP_TOOLTIP                    L"ToolTip"
+#define WXU_SZ_THDOCPROP_AUTHOR                     L"author"
+
+typedef WXUHRESULT (__stdcall *PFNWXUGETTHEMEDOCUMENTATIONPROPERTY)(const wchar_t *,
+    const wchar_t *, wchar_t *, int) ;
+typedef WXUHRESULT (__stdcall *PFNWXUDRAWTHEMEPARENTBACKGROUND)(WXHWND, WXHDC, WXURECT *) ;
+typedef WXUHRESULT (__stdcall *PFNWXUENABLETHEMING)(WXUBOOL) ;
+
+class wxUxThemeEngine
+{
+private:
+    wxUxThemeEngine() ;
+
+public:
+    ~wxUxThemeEngine() ;
+    bool IsInitialized() const { return m_bIsInitialized ; }
+
+private:
+    bool m_bIsInitialized ;
+    HINSTANCE m_hInstUXThemeDLL ;
+
+public:
+    static wxUxThemeEngine* wxInitUxThemeEngine() ;
+protected:
+    void ResetFunctionPointers() ;
+public:
+    PFNWXUOPENTHEMEDATA m_pfnOpenThemeData ;
+    PFNWXUCLOSETHEMEDATA m_pfnCloseThemeData ;
+    PFNWXUDRAWTHEMEBACKGROUND m_pfnDrawThemeBackground ;
+    PFNWXUDRAWTHEMETEXT m_pfnDrawThemeText ;
+    PFNWXUGETTHEMEBACKGROUNDCONTENTRECT m_pfnGetThemeBackgroundContentRect ;
+    PFNWXUGETTHEMEBACKGROUNDEXTENT m_pfnGetThemeBackgroundExtent ;
+    PFNWXUGETTHEMEPARTSIZE m_pfnGetThemePartSize ;
+    PFNWXUGETTHEMETEXTEXTENT m_pfnGetThemeTextExtent ;
+    PFNWXUGETTHEMETEXTMETRICS m_pfnGetThemeTextMetrics ;
+    PFNWXUGETTHEMEBACKGROUNDREGION m_pfnGetThemeBackgroundRegion ;
+    PFNWXUHITTESTTHEMEBACKGROUND m_pfnHitTestThemeBackground ;
+    PFNWXUDRAWTHEMEEDGE m_pfnDrawThemeEdge ;
+    PFNWXUDRAWTHEMEICON m_pfnDrawThemeIcon ;
+    PFNWXUISTHEMEPARTDEFINED m_pfnIsThemePartDefined ;
+    PFNWXUISTHEMEBACKGROUNDPARTIALLYTRANSPARENT m_pfnIsThemeBackgroundPartiallyTransparent ;
+    PFNWXUGETTHEMECOLOR m_pfnGetThemeColor ;
+    PFNWXUGETTHEMEMETRIC m_pfnGetThemeMetric ;
+    PFNWXUGETTHEMESTRING m_pfnGetThemeString ;
+    PFNWXUGETTHEMEBOOL m_pfnGetThemeBool ;
+    PFNWXUGETTHEMEINT m_pfnGetThemeInt ;
+    PFNWXUGETTHEMEENUMVALUE m_pfnGetThemeEnumValue ;
+    PFNWXUGETTHEMEPOSITION m_pfnGetThemePosition ;
+    PFNWXUGETTHEMEFONT m_pfnGetThemeFont ;
+    PFNWXUGETTHEMERECT m_pfnGetThemeRect ;
+    PFNWXUGETTHEMEMARGINS m_pfnGetThemeMargins ;
+    PFNWXUGETTHEMEINTLIST m_pfnGetThemeIntList ;
+    PFNWXUGETTHEMEPROPERTYORIGIN m_pfnGetThemePropertyOrigin ;
+    PFNWXUSETWINDOWTHEME m_pfnSetWindowTheme ;
+    PFNWXUGETTHEMEFILENAME m_pfnGetThemeFilename ;
+    PFNWXUGETTHEMESYSCOLOR m_pfnGetThemeSysColor ;
+    PFNWXUGETTHEMESYSCOLORBRUSH m_pfnGetThemeSysColorBrush ;
+    PFNWXUGETTHEMESYSBOOL m_pfnGetThemeSysBool ;
+    PFNWXUGETTHEMESYSSIZE m_pfnGetThemeSysSize ;
+    PFNWXUGETTHEMESYSFONT m_pfnGetThemeSysFont ;
+    PFNWXUGETTHEMESYSSTRING m_pfnGetThemeSysString ;
+    PFNWXUGETTHEMESYSINT m_pfnGetThemeSysInt ;
+    PFNWXUISTHEMEACTIVE m_pfnIsThemeActive ;
+    PFNWXUISAPPTHEMED m_pfnIsAppThemed ;
+    PFNWXUGETWINDOWTHEME m_pfnGetWindowTheme ;
+    PFNWXUENABLETHEMEDIALOGTEXTURE m_pfnEnableThemeDialogTexture ;
+    PFNWXUISTHEMEDIALOGTEXTUREENABLED m_pfnIsThemeDialogTextureEnabled ;
+    PFNWXUGETTHEMEAPPPROPERTIES m_pfnGetThemeAppProperties ;
+    PFNWXUSETTHEMEAPPPROPERTIES m_pfnSetThemeAppProperties ;
+    PFNWXUGETCURRENTTHEMENAME m_pfnGetCurrentThemeName ;
+    PFNWXUGETTHEMEDOCUMENTATIONPROPERTY m_pfnGetThemeDocumentationProperty ;
+    PFNWXUDRAWTHEMEPARENTBACKGROUND m_pfnDrawThemeParentBackground ;
+    PFNWXUENABLETHEMING m_pfnEnableTheming ;
+};
+
+extern wxUxThemeEngine* g_pThemeEngine ;
+
+BOOL wxCanUseInitThemeEngine() ;
+
+#if !defined(WXU_USE_WXMODULE)
+BOOL wxUxInitThemeEngine() ;
+#endif
+
+#endif
+

diff --git a/src/msw/uxtheme.cpp b/src/msw/uxtheme.cpp
new file mode 100644 (file)
index 0000000..d241efe
--- /dev/null
+++ b/src/msw/uxtheme.cpp
@@ -0,0 +1,247 @@
+/*
+ * wxuxthem.h : wxWindows support for Microsoft Windows XP Theme library
+ *                (uxtheme.dll)
+ * Modified to work with almost all Win32 compilers
+ * Compiler must support Unicode, the __cdecl calling convention, and the
+ * __stdcall calling convention
+ */
+
+#include <windows.h>
+
+#include "wx/msw/winundef.h"
+#include "wx/wx.h"
+#include "wx/msw/uxtheme.h"
+#include "wx/msw/private.h"
+#include "wx/app.h"         // for GetComCtl32Version
+
+wxUxThemeEngine* g_pThemeEngine = ((wxUxThemeEngine*)NULL) ;
+
+BOOL wxCanUseInitThemeEngine()
+{
+    WXUOSVERSIONINFOEX wxuosex ;
+    memset((void*)&wxuosex, 0, sizeof(WXUOSVERSIONINFOEX)) ;
+    wxuosex.dwOSVersionInfoSize = sizeof(WXUOSVERSIONINFOEX) ;
+    if(!GetVersionEx((LPOSVERSIONINFO)&wxuosex))
+    {
+        wxuosex.dwOSVersionInfoSize = sizeof(OSVERSIONINFO) ;
+        if(!GetVersionEx((LPOSVERSIONINFO)&wxuosex))
+        {
+            return FALSE ;
+        }
+    }
+    if ((wxuosex.dwMajorVersion == 5) && (wxuosex.dwMinorVersion > 0))
+    {
+        return (wxTheApp->GetComCtl32Version() >= 600) ;
+    }
+    else
+    {
+        return FALSE ;
+    }
+}
+
+wxUxThemeEngine* wxUxThemeEngine::wxInitUxThemeEngine()
+{
+    wxUxThemeEngine* pThemeEngine = new wxUxThemeEngine ;
+    return pThemeEngine ;
+}
+
+#ifdef WXU_USE_WXMODULE
+class wxUxThemeModule : public wxModule
+{
+       DECLARE_DYNAMIC_CLASS(wxUxThemeModule)
+public:
+       virtual void OnExit()
+       {
+               if((wxCanUseInitThemeEngine()) && (g_pThemeEngine))
+               {
+                       delete g_pThemeEngine ;
+                       g_pThemeEngine = ((wxUxThemeEngine*)NULL) ;
+               }
+       }
+
+       virtual bool OnInit()
+       {
+               if(!wxCanUseInitThemeEngine())
+               {
+                       g_pThemeEngine = ((wxUxThemeEngine*)NULL) ;
+                       return TRUE ;
+               }
+               g_pThemeEngine = wxUxThemeEngine::wxInitUxThemeEngine() ;
+               if(!g_pThemeEngine)
+               {
+                       return FALSE ;
+               }
+               else if(!g_pThemeEngine->IsInitialized())
+               {
+                       OnExit() ;
+                       return FALSE ;
+               }
+
+               return TRUE ;
+       }
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxUxThemeModule, wxModule)
+#else
+static void __cdecl wxUxThemeEngineOnExit()
+{
+    if(g_pThemeEngine)
+    {
+        delete g_pThemeEngine ;
+        g_pThemeEngine = ((wxUxThemeEngine*)NULL) ;
+    }
+}
+
+BOOL wxUxInitThemeEngine()
+{
+    if(!wxCanUseInitThemeEngine())
+    {
+        return TRUE ;
+    }
+    g_pThemeEngine = wxUxThemeEngine::wxInitUxThemeEngine() ;
+    if(!g_pThemeEngine)
+    {
+        return FALSE ;
+    }
+    else if(!g_pThemeEngine->IsInitialized())
+    {
+        wxUxThemeEngineOnExit() ;
+        return FALSE ;
+    }
+
+    if(atexit(wxUxThemeEngineOnExit) != 0)
+    {
+        wxUxThemeEngineOnExit() ;
+        return FALSE ;
+    }
+
+    return TRUE ;
+}
+#endif
+
+#define WXU_GET_FN_PTR(hmod, type, pfunc, funcname) if(hmod != ((HINSTANCE)NULL)) { \
+    pfunc = (type)::GetProcAddress(hmod, funcname) ; \
+    if(pfunc == ((type)NULL)) \
+    {  \
+        ::FreeLibrary(hmod) ; \
+        hmod = ((HINSTANCE)NULL) ; \
+    }  \
+}
+
+wxUxThemeEngine::wxUxThemeEngine()
+{
+    m_hInstUXThemeDLL = ::LoadLibraryA("uxtheme.dll") ;
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUOPENTHEMEDATA, m_pfnOpenThemeData, "OpenThemeData")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUCLOSETHEMEDATA, m_pfnCloseThemeData, "CloseThemeData")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMEBACKGROUND, m_pfnDrawThemeBackground, "DrawThemeBackground")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMETEXT, m_pfnDrawThemeText, "DrawThemeText")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEBACKGROUNDCONTENTRECT, m_pfnGetThemeBackgroundContentRect, "GetThemeBackgroundContentRect")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEBACKGROUNDEXTENT, m_pfnGetThemeBackgroundExtent, "GetThemeBackgroundExtent")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEPARTSIZE, m_pfnGetThemePartSize, "GetThemePartSize")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMETEXTEXTENT, m_pfnGetThemeTextExtent, "GetThemeTextExtent")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMETEXTMETRICS, m_pfnGetThemeTextMetrics, "GetThemeTextMetrics")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEBACKGROUNDREGION, m_pfnGetThemeBackgroundRegion, "GetThemeBackgroundRegion")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUHITTESTTHEMEBACKGROUND, m_pfnHitTestThemeBackground, "HitTestThemeBackground")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMEEDGE, m_pfnDrawThemeEdge, "DrawThemeEdge")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMEICON, m_pfnDrawThemeIcon, "DrawThemeIcon")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISTHEMEPARTDEFINED, m_pfnIsThemePartDefined, "IsThemePartDefined")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISTHEMEBACKGROUNDPARTIALLYTRANSPARENT, m_pfnIsThemeBackgroundPartiallyTransparent, "IsThemeBackgroundPartiallyTransparent")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMECOLOR, m_pfnGetThemeColor, "GetThemeColor")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEMETRIC, m_pfnGetThemeMetric, "GetThemeMetric")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESTRING, m_pfnGetThemeString, "GetThemeString")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEBOOL, m_pfnGetThemeBool, "GetThemeBool")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEINT, m_pfnGetThemeInt, "GetThemeInt")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEENUMVALUE, m_pfnGetThemeEnumValue, "GetThemeEnumValue")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEPOSITION, m_pfnGetThemePosition, "GetThemePosition")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEFONT, m_pfnGetThemeFont, "GetThemeFont")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMERECT, m_pfnGetThemeRect, "GetThemeRect")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEMARGINS, m_pfnGetThemeMargins, "GetThemeMargins")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEINTLIST, m_pfnGetThemeIntList, "GetThemeIntList")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEPROPERTYORIGIN, m_pfnGetThemePropertyOrigin, "GetThemePropertyOrigin")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUSETWINDOWTHEME, m_pfnSetWindowTheme, "SetWindowTheme")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEFILENAME, m_pfnGetThemeFilename, "GetThemeFilename")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSCOLOR, m_pfnGetThemeSysColor, "GetThemeSysColor")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSCOLORBRUSH, m_pfnGetThemeSysColorBrush, "GetThemeSysColorBrush")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSBOOL, m_pfnGetThemeSysBool, "GetThemeSysBool")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSSIZE, m_pfnGetThemeSysSize, "GetThemeSysSize")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSFONT, m_pfnGetThemeSysFont, "GetThemeSysFont")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSSTRING, m_pfnGetThemeSysString, "GetThemeSysString")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSINT, m_pfnGetThemeSysInt, "GetThemeSysInt")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISTHEMEACTIVE, m_pfnIsThemeActive, "IsThemeActive")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISAPPTHEMED, m_pfnIsAppThemed, "IsAppThemed")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETWINDOWTHEME, m_pfnGetWindowTheme, "GetWindowTheme")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUENABLETHEMEDIALOGTEXTURE, m_pfnEnableThemeDialogTexture, "EnableThemeDialogTexture")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISTHEMEDIALOGTEXTUREENABLED, m_pfnIsThemeDialogTextureEnabled, "IsThemeDialogTextureEnabled")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEAPPPROPERTIES, m_pfnGetThemeAppProperties, "GetThemeAppProperties")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUSETTHEMEAPPPROPERTIES, m_pfnSetThemeAppProperties, "SetThemeAppProperties")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETCURRENTTHEMENAME, m_pfnGetCurrentThemeName, "GetCurrentThemeName")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEDOCUMENTATIONPROPERTY, m_pfnGetThemeDocumentationProperty, "GetThemeDocumentationProperty")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMEPARENTBACKGROUND, m_pfnDrawThemeParentBackground, "DrawThemeParentBackground")
+    WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUENABLETHEMING, m_pfnEnableTheming, "EnableTheming")
+    m_bIsInitialized = (m_hInstUXThemeDLL != ((HINSTANCE)NULL)) ;
+    if(!m_bIsInitialized)
+    {
+        ResetFunctionPointers() ;
+    }
+}
+
+void wxUxThemeEngine::ResetFunctionPointers()
+{
+    m_pfnOpenThemeData = ((PFNWXUOPENTHEMEDATA)NULL) ;
+    m_pfnCloseThemeData = ((PFNWXUCLOSETHEMEDATA)NULL) ;
+    m_pfnDrawThemeBackground = ((PFNWXUDRAWTHEMEBACKGROUND)NULL) ;
+    m_pfnDrawThemeText = ((PFNWXUDRAWTHEMETEXT)NULL) ;
+    m_pfnGetThemeBackgroundContentRect = ((PFNWXUGETTHEMEBACKGROUNDCONTENTRECT)NULL) ;
+    m_pfnGetThemeBackgroundExtent = ((PFNWXUGETTHEMEBACKGROUNDEXTENT)NULL) ;
+    m_pfnGetThemePartSize = ((PFNWXUGETTHEMEPARTSIZE)NULL) ;
+    m_pfnGetThemeTextExtent = ((PFNWXUGETTHEMETEXTEXTENT)NULL) ;
+    m_pfnGetThemeTextMetrics = ((PFNWXUGETTHEMETEXTMETRICS)NULL) ;
+    m_pfnGetThemeBackgroundRegion = ((PFNWXUGETTHEMEBACKGROUNDREGION)NULL) ;
+    m_pfnHitTestThemeBackground = ((PFNWXUHITTESTTHEMEBACKGROUND)NULL) ;
+    m_pfnDrawThemeEdge = ((PFNWXUDRAWTHEMEEDGE)NULL) ;
+    m_pfnDrawThemeIcon = ((PFNWXUDRAWTHEMEICON)NULL) ;
+    m_pfnIsThemePartDefined = ((PFNWXUISTHEMEPARTDEFINED)NULL) ;
+    m_pfnIsThemeBackgroundPartiallyTransparent = ((PFNWXUISTHEMEBACKGROUNDPARTIALLYTRANSPARENT)NULL) ;
+    m_pfnGetThemeColor = ((PFNWXUGETTHEMECOLOR)NULL) ;
+    m_pfnGetThemeMetric = ((PFNWXUGETTHEMEMETRIC)NULL) ;
+    m_pfnGetThemeString = ((PFNWXUGETTHEMESTRING)NULL) ;
+    m_pfnGetThemeBool = ((PFNWXUGETTHEMEBOOL)NULL) ;
+    m_pfnGetThemeInt = ((PFNWXUGETTHEMEINT)NULL) ;
+    m_pfnGetThemeEnumValue = ((PFNWXUGETTHEMEENUMVALUE)NULL) ;
+    m_pfnGetThemePosition = ((PFNWXUGETTHEMEPOSITION)NULL) ;
+    m_pfnGetThemeFont = ((PFNWXUGETTHEMEFONT)NULL) ;
+    m_pfnGetThemeRect = ((PFNWXUGETTHEMERECT)NULL) ;
+    m_pfnGetThemeMargins = ((PFNWXUGETTHEMEMARGINS)NULL) ;
+    m_pfnGetThemeIntList = ((PFNWXUGETTHEMEINTLIST)NULL) ;
+    m_pfnGetThemePropertyOrigin = ((PFNWXUGETTHEMEPROPERTYORIGIN)NULL) ;
+    m_pfnSetWindowTheme = ((PFNWXUSETWINDOWTHEME)NULL) ;
+    m_pfnGetThemeFilename = ((PFNWXUGETTHEMEFILENAME)NULL) ;
+    m_pfnGetThemeSysColor = ((PFNWXUGETTHEMESYSCOLOR)NULL) ;
+    m_pfnGetThemeSysColorBrush = ((PFNWXUGETTHEMESYSCOLORBRUSH)NULL) ;
+    m_pfnGetThemeSysBool = ((PFNWXUGETTHEMESYSBOOL)NULL) ;
+    m_pfnGetThemeSysSize = ((PFNWXUGETTHEMESYSSIZE)NULL) ;
+    m_pfnGetThemeSysFont = ((PFNWXUGETTHEMESYSFONT)NULL) ;
+    m_pfnGetThemeSysString = ((PFNWXUGETTHEMESYSSTRING)NULL) ;
+    m_pfnGetThemeSysInt = ((PFNWXUGETTHEMESYSINT)NULL) ;
+    m_pfnIsThemeActive = ((PFNWXUISTHEMEACTIVE)NULL) ;
+    m_pfnIsAppThemed = ((PFNWXUISAPPTHEMED)NULL) ;
+    m_pfnGetWindowTheme = ((PFNWXUGETWINDOWTHEME)NULL) ;
+    m_pfnEnableThemeDialogTexture = ((PFNWXUENABLETHEMEDIALOGTEXTURE)NULL) ;
+    m_pfnIsThemeDialogTextureEnabled = ((PFNWXUISTHEMEDIALOGTEXTUREENABLED)NULL) ;
+    m_pfnGetThemeAppProperties = ((PFNWXUGETTHEMEAPPPROPERTIES)NULL) ;
+    m_pfnSetThemeAppProperties = ((PFNWXUSETTHEMEAPPPROPERTIES)NULL) ;
+    m_pfnGetCurrentThemeName = ((PFNWXUGETCURRENTTHEMENAME)NULL) ;
+    m_pfnGetThemeDocumentationProperty = ((PFNWXUGETTHEMEDOCUMENTATIONPROPERTY)NULL) ;
+    m_pfnDrawThemeParentBackground = ((PFNWXUDRAWTHEMEPARENTBACKGROUND)NULL) ;
+    m_pfnEnableTheming = ((PFNWXUENABLETHEMING)NULL) ;
+}
+
+wxUxThemeEngine::~wxUxThemeEngine()
+{
+    if(m_hInstUXThemeDLL != ((HINSTANCE)NULL))
+    {
+        ::FreeLibrary(m_hInstUXThemeDLL) ;
+    }
+    ResetFunctionPointers() ;
+}
+