src/msw/uxtheme.cpp

   1 /*
   2  * wxuxthem.h : wxWindows support for Microsoft Windows XP Theme library
   3  *                (uxtheme.dll)
   4  * Modified to work with almost all Win32 compilers
   5  * Compiler must support Unicode, the __cdecl calling convention, and the
   6  * __stdcall calling convention
   7  */
   8
   9 #include <windows.h>
  10
  11 #include "wx/msw/winundef.h"
  12 #include "wx/wx.h"
  13 #include "wx/msw/uxtheme.h"
  14 #include "wx/msw/private.h"
  15 #include "wx/app.h"         // for GetComCtl32Version
  16
  17 wxUxThemeEngine* g_pThemeEngine = ((wxUxThemeEngine*)NULL) ;
  18
  19 BOOL wxCanUseInitThemeEngine()
  20 {
  21     WXUOSVERSIONINFOEX wxuosex ;
  22     memset((void*)&wxuosex, 0, sizeof(WXUOSVERSIONINFOEX)) ;
  23     wxuosex.dwOSVersionInfoSize = sizeof(WXUOSVERSIONINFOEX) ;
  24     if(!GetVersionEx((LPOSVERSIONINFO)&wxuosex))
  25     {
  26         wxuosex.dwOSVersionInfoSize = sizeof(OSVERSIONINFO) ;
  27         if(!GetVersionEx((LPOSVERSIONINFO)&wxuosex))
  28         {
  29             return FALSE ;
  30         }
  31     }
  32     if ((wxuosex.dwMajorVersion == 5) && (wxuosex.dwMinorVersion > 0))
  33     {
  34         return (wxTheApp->GetComCtl32Version() >= 600) ;
  35     }
  36     else
  37     {
  38         return FALSE ;
  39     }
  40 }
  41
  42 wxUxThemeEngine* wxUxThemeEngine::wxInitUxThemeEngine()
  43 {
  44     wxUxThemeEngine* pThemeEngine = new wxUxThemeEngine ;
  45     return pThemeEngine ;
  46 }
  47
  48 #ifdef WXU_USE_WXMODULE
  49 class wxUxThemeModule : public wxModule
  50 {
  51         DECLARE_DYNAMIC_CLASS(wxUxThemeModule)
  52 public:
  53         virtual void OnExit()
  54         {
  55                 if((wxCanUseInitThemeEngine()) && (g_pThemeEngine))
  56                 {
  57                         delete g_pThemeEngine ;
  58                         g_pThemeEngine = ((wxUxThemeEngine*)NULL) ;
  59                 }
  60         }
  61
  62         virtual bool OnInit()
  63         {
  64                 if(!wxCanUseInitThemeEngine())
  65                 {
  66                         g_pThemeEngine = ((wxUxThemeEngine*)NULL) ;
  67                         return TRUE ;
  68                 }
  69                 g_pThemeEngine = wxUxThemeEngine::wxInitUxThemeEngine() ;
  70                 if(!g_pThemeEngine)
  71                 {
  72                         return FALSE ;
  73                 }
  74                 else if(!g_pThemeEngine->IsInitialized())
  75                 {
  76                         OnExit() ;
  77                         return FALSE ;
  78                 }
  79
  80                 return TRUE ;
  81         }
  82 };
  83
  84 IMPLEMENT_DYNAMIC_CLASS(wxUxThemeModule, wxModule)
  85 #else
  86 static void __cdecl wxUxThemeEngineOnExit()
  87 {
  88     if(g_pThemeEngine)
  89     {
  90         delete g_pThemeEngine ;
  91         g_pThemeEngine = ((wxUxThemeEngine*)NULL) ;
  92     }
  93 }
  94
  95 BOOL wxUxInitThemeEngine()
  96 {
  97     if(!wxCanUseInitThemeEngine())
  98     {
  99         return TRUE ;
 100     }
 101     g_pThemeEngine = wxUxThemeEngine::wxInitUxThemeEngine() ;
 102     if(!g_pThemeEngine)
 103     {
 104         return FALSE ;
 105     }
 106     else if(!g_pThemeEngine->IsInitialized())
 107     {
 108         wxUxThemeEngineOnExit() ;
 109         return FALSE ;
 110     }
 111
 112     if(atexit(wxUxThemeEngineOnExit) != 0)
 113     {
 114         wxUxThemeEngineOnExit() ;
 115         return FALSE ;
 116     }
 117
 118     return TRUE ;
 119 }
 120 #endif
 121
 122 #define WXU_GET_FN_PTR(hmod, type, pfunc, funcname) if(hmod != ((HINSTANCE)NULL)) { \
 123     pfunc = (type)::GetProcAddress(hmod, funcname) ; \
 124     if(pfunc == ((type)NULL)) \
 125     {   \
 126         ::FreeLibrary(hmod) ; \
 127         hmod = ((HINSTANCE)NULL) ; \
 128     }   \
 129 }
 130
 131 wxUxThemeEngine::wxUxThemeEngine()
 132 {
 133     m_hInstUXThemeDLL = ::LoadLibraryA("uxtheme.dll") ;
 134     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUOPENTHEMEDATA, m_pfnOpenThemeData, "OpenThemeData")
 135     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUCLOSETHEMEDATA, m_pfnCloseThemeData, "CloseThemeData")
 136     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMEBACKGROUND, m_pfnDrawThemeBackground, "DrawThemeBackground")
 137     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMETEXT, m_pfnDrawThemeText, "DrawThemeText")
 138     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEBACKGROUNDCONTENTRECT, m_pfnGetThemeBackgroundContentRect, "GetThemeBackgroundContentRect")
 139     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEBACKGROUNDEXTENT, m_pfnGetThemeBackgroundExtent, "GetThemeBackgroundExtent")
 140     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEPARTSIZE, m_pfnGetThemePartSize, "GetThemePartSize")
 141     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMETEXTEXTENT, m_pfnGetThemeTextExtent, "GetThemeTextExtent")
 142     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMETEXTMETRICS, m_pfnGetThemeTextMetrics, "GetThemeTextMetrics")
 143     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEBACKGROUNDREGION, m_pfnGetThemeBackgroundRegion, "GetThemeBackgroundRegion")
 144     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUHITTESTTHEMEBACKGROUND, m_pfnHitTestThemeBackground, "HitTestThemeBackground")
 145     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMEEDGE, m_pfnDrawThemeEdge, "DrawThemeEdge")
 146     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMEICON, m_pfnDrawThemeIcon, "DrawThemeIcon")
 147     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISTHEMEPARTDEFINED, m_pfnIsThemePartDefined, "IsThemePartDefined")
 148     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISTHEMEBACKGROUNDPARTIALLYTRANSPARENT, m_pfnIsThemeBackgroundPartiallyTransparent, "IsThemeBackgroundPartiallyTransparent")
 149     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMECOLOR, m_pfnGetThemeColor, "GetThemeColor")
 150     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEMETRIC, m_pfnGetThemeMetric, "GetThemeMetric")
 151     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESTRING, m_pfnGetThemeString, "GetThemeString")
 152     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEBOOL, m_pfnGetThemeBool, "GetThemeBool")
 153     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEINT, m_pfnGetThemeInt, "GetThemeInt")
 154     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEENUMVALUE, m_pfnGetThemeEnumValue, "GetThemeEnumValue")
 155     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEPOSITION, m_pfnGetThemePosition, "GetThemePosition")
 156     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEFONT, m_pfnGetThemeFont, "GetThemeFont")
 157     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMERECT, m_pfnGetThemeRect, "GetThemeRect")
 158     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEMARGINS, m_pfnGetThemeMargins, "GetThemeMargins")
 159     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEINTLIST, m_pfnGetThemeIntList, "GetThemeIntList")
 160     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEPROPERTYORIGIN, m_pfnGetThemePropertyOrigin, "GetThemePropertyOrigin")
 161     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUSETWINDOWTHEME, m_pfnSetWindowTheme, "SetWindowTheme")
 162     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEFILENAME, m_pfnGetThemeFilename, "GetThemeFilename")
 163     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSCOLOR, m_pfnGetThemeSysColor, "GetThemeSysColor")
 164     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSCOLORBRUSH, m_pfnGetThemeSysColorBrush, "GetThemeSysColorBrush")
 165     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSBOOL, m_pfnGetThemeSysBool, "GetThemeSysBool")
 166     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSSIZE, m_pfnGetThemeSysSize, "GetThemeSysSize")
 167     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSFONT, m_pfnGetThemeSysFont, "GetThemeSysFont")
 168     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSSTRING, m_pfnGetThemeSysString, "GetThemeSysString")
 169     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSINT, m_pfnGetThemeSysInt, "GetThemeSysInt")
 170     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISTHEMEACTIVE, m_pfnIsThemeActive, "IsThemeActive")
 171     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISAPPTHEMED, m_pfnIsAppThemed, "IsAppThemed")
 172     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETWINDOWTHEME, m_pfnGetWindowTheme, "GetWindowTheme")
 173     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUENABLETHEMEDIALOGTEXTURE, m_pfnEnableThemeDialogTexture, "EnableThemeDialogTexture")
 174     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISTHEMEDIALOGTEXTUREENABLED, m_pfnIsThemeDialogTextureEnabled, "IsThemeDialogTextureEnabled")
 175     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEAPPPROPERTIES, m_pfnGetThemeAppProperties, "GetThemeAppProperties")
 176     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUSETTHEMEAPPPROPERTIES, m_pfnSetThemeAppProperties, "SetThemeAppProperties")
 177     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETCURRENTTHEMENAME, m_pfnGetCurrentThemeName, "GetCurrentThemeName")
 178     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEDOCUMENTATIONPROPERTY, m_pfnGetThemeDocumentationProperty, "GetThemeDocumentationProperty")
 179     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMEPARENTBACKGROUND, m_pfnDrawThemeParentBackground, "DrawThemeParentBackground")
 180     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUENABLETHEMING, m_pfnEnableTheming, "EnableTheming")
 181     m_bIsInitialized = (m_hInstUXThemeDLL != ((HINSTANCE)NULL)) ;
 182     if(!m_bIsInitialized)
 183     {
 184         ResetFunctionPointers() ;
 185     }
 186 }
 187
 188 void wxUxThemeEngine::ResetFunctionPointers()
 189 {
 190     m_pfnOpenThemeData = ((PFNWXUOPENTHEMEDATA)NULL) ;
 191     m_pfnCloseThemeData = ((PFNWXUCLOSETHEMEDATA)NULL) ;
 192     m_pfnDrawThemeBackground = ((PFNWXUDRAWTHEMEBACKGROUND)NULL) ;
 193     m_pfnDrawThemeText = ((PFNWXUDRAWTHEMETEXT)NULL) ;
 194     m_pfnGetThemeBackgroundContentRect = ((PFNWXUGETTHEMEBACKGROUNDCONTENTRECT)NULL) ;
 195     m_pfnGetThemeBackgroundExtent = ((PFNWXUGETTHEMEBACKGROUNDEXTENT)NULL) ;
 196     m_pfnGetThemePartSize = ((PFNWXUGETTHEMEPARTSIZE)NULL) ;
 197     m_pfnGetThemeTextExtent = ((PFNWXUGETTHEMETEXTEXTENT)NULL) ;
 198     m_pfnGetThemeTextMetrics = ((PFNWXUGETTHEMETEXTMETRICS)NULL) ;
 199     m_pfnGetThemeBackgroundRegion = ((PFNWXUGETTHEMEBACKGROUNDREGION)NULL) ;
 200     m_pfnHitTestThemeBackground = ((PFNWXUHITTESTTHEMEBACKGROUND)NULL) ;
 201     m_pfnDrawThemeEdge = ((PFNWXUDRAWTHEMEEDGE)NULL) ;
 202     m_pfnDrawThemeIcon = ((PFNWXUDRAWTHEMEICON)NULL) ;
 203     m_pfnIsThemePartDefined = ((PFNWXUISTHEMEPARTDEFINED)NULL) ;
 204     m_pfnIsThemeBackgroundPartiallyTransparent = ((PFNWXUISTHEMEBACKGROUNDPARTIALLYTRANSPARENT)NULL) ;
 205     m_pfnGetThemeColor = ((PFNWXUGETTHEMECOLOR)NULL) ;
 206     m_pfnGetThemeMetric = ((PFNWXUGETTHEMEMETRIC)NULL) ;
 207     m_pfnGetThemeString = ((PFNWXUGETTHEMESTRING)NULL) ;
 208     m_pfnGetThemeBool = ((PFNWXUGETTHEMEBOOL)NULL) ;
 209     m_pfnGetThemeInt = ((PFNWXUGETTHEMEINT)NULL) ;
 210     m_pfnGetThemeEnumValue = ((PFNWXUGETTHEMEENUMVALUE)NULL) ;
 211     m_pfnGetThemePosition = ((PFNWXUGETTHEMEPOSITION)NULL) ;
 212     m_pfnGetThemeFont = ((PFNWXUGETTHEMEFONT)NULL) ;
 213     m_pfnGetThemeRect = ((PFNWXUGETTHEMERECT)NULL) ;
 214     m_pfnGetThemeMargins = ((PFNWXUGETTHEMEMARGINS)NULL) ;
 215     m_pfnGetThemeIntList = ((PFNWXUGETTHEMEINTLIST)NULL) ;
 216     m_pfnGetThemePropertyOrigin = ((PFNWXUGETTHEMEPROPERTYORIGIN)NULL) ;
 217     m_pfnSetWindowTheme = ((PFNWXUSETWINDOWTHEME)NULL) ;
 218     m_pfnGetThemeFilename = ((PFNWXUGETTHEMEFILENAME)NULL) ;
 219     m_pfnGetThemeSysColor = ((PFNWXUGETTHEMESYSCOLOR)NULL) ;
 220     m_pfnGetThemeSysColorBrush = ((PFNWXUGETTHEMESYSCOLORBRUSH)NULL) ;
 221     m_pfnGetThemeSysBool = ((PFNWXUGETTHEMESYSBOOL)NULL) ;
 222     m_pfnGetThemeSysSize = ((PFNWXUGETTHEMESYSSIZE)NULL) ;
 223     m_pfnGetThemeSysFont = ((PFNWXUGETTHEMESYSFONT)NULL) ;
 224     m_pfnGetThemeSysString = ((PFNWXUGETTHEMESYSSTRING)NULL) ;
 225     m_pfnGetThemeSysInt = ((PFNWXUGETTHEMESYSINT)NULL) ;
 226     m_pfnIsThemeActive = ((PFNWXUISTHEMEACTIVE)NULL) ;
 227     m_pfnIsAppThemed = ((PFNWXUISAPPTHEMED)NULL) ;
 228     m_pfnGetWindowTheme = ((PFNWXUGETWINDOWTHEME)NULL) ;
 229     m_pfnEnableThemeDialogTexture = ((PFNWXUENABLETHEMEDIALOGTEXTURE)NULL) ;
 230     m_pfnIsThemeDialogTextureEnabled = ((PFNWXUISTHEMEDIALOGTEXTUREENABLED)NULL) ;
 231     m_pfnGetThemeAppProperties = ((PFNWXUGETTHEMEAPPPROPERTIES)NULL) ;
 232     m_pfnSetThemeAppProperties = ((PFNWXUSETTHEMEAPPPROPERTIES)NULL) ;
 233     m_pfnGetCurrentThemeName = ((PFNWXUGETCURRENTTHEMENAME)NULL) ;
 234     m_pfnGetThemeDocumentationProperty = ((PFNWXUGETTHEMEDOCUMENTATIONPROPERTY)NULL) ;
 235     m_pfnDrawThemeParentBackground = ((PFNWXUDRAWTHEMEPARENTBACKGROUND)NULL) ;
 236     m_pfnEnableTheming = ((PFNWXUENABLETHEMING)NULL) ;
 237 }
 238
 239 wxUxThemeEngine::~wxUxThemeEngine()
 240 {
 241     if(m_hInstUXThemeDLL != ((HINSTANCE)NULL))
 242     {
 243         ::FreeLibrary(m_hInstUXThemeDLL) ;
 244     }
 245     ResetFunctionPointers() ;
 246 }
 247