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 #ifdef __GNUG__
  10 #pragma implementation "uxtheme.h"
  11 #endif
  12
  13 // For compilers that support precompilation, includes "wx.h".
  14 #include "wx/wxprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/app.h"
  22     #include "wx/toplevel.h"
  23     #include "wx/string.h"
  24     #include "wx/log.h"
  25 #endif //WX_PRECOMP
  26
  27 #include "wx/module.h"
  28
  29 #if wxUSE_UXTHEME
  30
  31 #include <windows.h>
  32
  33 #include "wx/msw/winundef.h"
  34 #include "wx/msw/uxtheme.h"
  35 #include "wx/msw/private.h"
  36 #include "wx/app.h"         // for GetComCtl32Version
  37
  38 wxUxThemeEngine* g_pThemeEngine = ((wxUxThemeEngine*)NULL) ;
  39
  40 BOOL wxCanUseInitThemeEngine()
  41 {
  42     WXUOSVERSIONINFOEX wxuosex ;
  43     memset((void*)&wxuosex, 0, sizeof(WXUOSVERSIONINFOEX)) ;
  44     wxuosex.dwOSVersionInfoSize = sizeof(WXUOSVERSIONINFOEX) ;
  45     if(!GetVersionEx((LPOSVERSIONINFO)&wxuosex))
  46     {
  47         wxuosex.dwOSVersionInfoSize = sizeof(OSVERSIONINFO) ;
  48         if(!GetVersionEx((LPOSVERSIONINFO)&wxuosex))
  49         {
  50             return FALSE ;
  51         }
  52     }
  53     if ((wxuosex.dwMajorVersion == 5) && (wxuosex.dwMinorVersion > 0))
  54     {
  55         return (wxTheApp->GetComCtl32Version() >= 600) ;
  56     }
  57     else
  58     {
  59         return FALSE ;
  60     }
  61 }
  62
  63 wxUxThemeEngine* wxUxThemeEngine::wxInitUxThemeEngine()
  64 {
  65     wxUxThemeEngine* pThemeEngine = new wxUxThemeEngine ;
  66     return pThemeEngine ;
  67 }
  68
  69 wxUxThemeEngine* wxUxThemeEngine::Get()
  70 {
  71     return g_pThemeEngine;
  72 }
  73
  74 #ifdef WXU_USE_WXMODULE
  75 class wxUxThemeModule : public wxModule
  76 {
  77         DECLARE_DYNAMIC_CLASS(wxUxThemeModule)
  78 public:
  79         virtual void OnExit()
  80         {
  81                 if((wxCanUseInitThemeEngine()) && (g_pThemeEngine))
  82                 {
  83                         delete g_pThemeEngine ;
  84                         g_pThemeEngine = ((wxUxThemeEngine*)NULL) ;
  85                 }
  86         }
  87
  88         virtual bool OnInit()
  89         {
  90                 if(!wxCanUseInitThemeEngine())
  91                 {
  92                         g_pThemeEngine = ((wxUxThemeEngine*)NULL) ;
  93                         return TRUE ;
  94                 }
  95                 g_pThemeEngine = wxUxThemeEngine::wxInitUxThemeEngine() ;
  96                 if(!g_pThemeEngine)
  97                 {
  98                         return FALSE ;
  99                 }
 100                 else if(!g_pThemeEngine->IsInitialized())
 101                 {
 102                         OnExit() ;
 103                         return FALSE ;
 104                 }
 105
 106                 return TRUE ;
 107         }
 108 };
 109
 110 IMPLEMENT_DYNAMIC_CLASS(wxUxThemeModule, wxModule)
 111 #else
 112 static void __cdecl wxUxThemeEngineOnExit()
 113 {
 114     if(g_pThemeEngine)
 115     {
 116         delete g_pThemeEngine ;
 117         g_pThemeEngine = ((wxUxThemeEngine*)NULL) ;
 118     }
 119 }
 120
 121 BOOL wxUxInitThemeEngine()
 122 {
 123     if(!wxCanUseInitThemeEngine())
 124     {
 125         return TRUE ;
 126     }
 127     g_pThemeEngine = wxUxThemeEngine::wxInitUxThemeEngine() ;
 128     if(!g_pThemeEngine)
 129     {
 130         return FALSE ;
 131     }
 132     else if(!g_pThemeEngine->IsInitialized())
 133     {
 134         wxUxThemeEngineOnExit() ;
 135         return FALSE ;
 136     }
 137
 138     if(atexit(wxUxThemeEngineOnExit) != 0)
 139     {
 140         wxUxThemeEngineOnExit() ;
 141         return FALSE ;
 142     }
 143
 144     return TRUE ;
 145 }
 146 #endif
 147
 148 #define WXU_GET_FN_PTR(hmod, type, pfunc, funcname) if(hmod != ((HINSTANCE)NULL)) { \
 149     pfunc = (type)::GetProcAddress(hmod, funcname) ; \
 150     if(pfunc == ((type)NULL)) \
 151     {   \
 152         ::FreeLibrary(hmod) ; \
 153         hmod = ((HINSTANCE)NULL) ; \
 154     }   \
 155 }
 156
 157 wxUxThemeEngine::wxUxThemeEngine()
 158 {
 159     m_hInstUXThemeDLL = ::LoadLibraryA("uxtheme.dll") ;
 160     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUOPENTHEMEDATA, m_pfnOpenThemeData, "OpenThemeData")
 161     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUCLOSETHEMEDATA, m_pfnCloseThemeData, "CloseThemeData")
 162     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMEBACKGROUND, m_pfnDrawThemeBackground, "DrawThemeBackground")
 163     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMETEXT, m_pfnDrawThemeText, "DrawThemeText")
 164     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEBACKGROUNDCONTENTRECT, m_pfnGetThemeBackgroundContentRect, "GetThemeBackgroundContentRect")
 165     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEBACKGROUNDEXTENT, m_pfnGetThemeBackgroundExtent, "GetThemeBackgroundExtent")
 166     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEPARTSIZE, m_pfnGetThemePartSize, "GetThemePartSize")
 167     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMETEXTEXTENT, m_pfnGetThemeTextExtent, "GetThemeTextExtent")
 168     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMETEXTMETRICS, m_pfnGetThemeTextMetrics, "GetThemeTextMetrics")
 169     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEBACKGROUNDREGION, m_pfnGetThemeBackgroundRegion, "GetThemeBackgroundRegion")
 170     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUHITTESTTHEMEBACKGROUND, m_pfnHitTestThemeBackground, "HitTestThemeBackground")
 171     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMEEDGE, m_pfnDrawThemeEdge, "DrawThemeEdge")
 172     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMEICON, m_pfnDrawThemeIcon, "DrawThemeIcon")
 173     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISTHEMEPARTDEFINED, m_pfnIsThemePartDefined, "IsThemePartDefined")
 174     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISTHEMEBACKGROUNDPARTIALLYTRANSPARENT, m_pfnIsThemeBackgroundPartiallyTransparent, "IsThemeBackgroundPartiallyTransparent")
 175     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMECOLOR, m_pfnGetThemeColor, "GetThemeColor")
 176     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEMETRIC, m_pfnGetThemeMetric, "GetThemeMetric")
 177     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESTRING, m_pfnGetThemeString, "GetThemeString")
 178     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEBOOL, m_pfnGetThemeBool, "GetThemeBool")
 179     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEINT, m_pfnGetThemeInt, "GetThemeInt")
 180     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEENUMVALUE, m_pfnGetThemeEnumValue, "GetThemeEnumValue")
 181     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEPOSITION, m_pfnGetThemePosition, "GetThemePosition")
 182     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEFONT, m_pfnGetThemeFont, "GetThemeFont")
 183     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMERECT, m_pfnGetThemeRect, "GetThemeRect")
 184     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEMARGINS, m_pfnGetThemeMargins, "GetThemeMargins")
 185     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEINTLIST, m_pfnGetThemeIntList, "GetThemeIntList")
 186     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEPROPERTYORIGIN, m_pfnGetThemePropertyOrigin, "GetThemePropertyOrigin")
 187     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUSETWINDOWTHEME, m_pfnSetWindowTheme, "SetWindowTheme")
 188     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEFILENAME, m_pfnGetThemeFilename, "GetThemeFilename")
 189     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSCOLOR, m_pfnGetThemeSysColor, "GetThemeSysColor")
 190     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSCOLORBRUSH, m_pfnGetThemeSysColorBrush, "GetThemeSysColorBrush")
 191     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSBOOL, m_pfnGetThemeSysBool, "GetThemeSysBool")
 192     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSSIZE, m_pfnGetThemeSysSize, "GetThemeSysSize")
 193     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSFONT, m_pfnGetThemeSysFont, "GetThemeSysFont")
 194     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSSTRING, m_pfnGetThemeSysString, "GetThemeSysString")
 195     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMESYSINT, m_pfnGetThemeSysInt, "GetThemeSysInt")
 196     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISTHEMEACTIVE, m_pfnIsThemeActive, "IsThemeActive")
 197     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISAPPTHEMED, m_pfnIsAppThemed, "IsAppThemed")
 198     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETWINDOWTHEME, m_pfnGetWindowTheme, "GetWindowTheme")
 199     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUENABLETHEMEDIALOGTEXTURE, m_pfnEnableThemeDialogTexture, "EnableThemeDialogTexture")
 200     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUISTHEMEDIALOGTEXTUREENABLED, m_pfnIsThemeDialogTextureEnabled, "IsThemeDialogTextureEnabled")
 201     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEAPPPROPERTIES, m_pfnGetThemeAppProperties, "GetThemeAppProperties")
 202     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUSETTHEMEAPPPROPERTIES, m_pfnSetThemeAppProperties, "SetThemeAppProperties")
 203     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETCURRENTTHEMENAME, m_pfnGetCurrentThemeName, "GetCurrentThemeName")
 204     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUGETTHEMEDOCUMENTATIONPROPERTY, m_pfnGetThemeDocumentationProperty, "GetThemeDocumentationProperty")
 205     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUDRAWTHEMEPARENTBACKGROUND, m_pfnDrawThemeParentBackground, "DrawThemeParentBackground")
 206     WXU_GET_FN_PTR (m_hInstUXThemeDLL, PFNWXUENABLETHEMING, m_pfnEnableTheming, "EnableTheming")
 207     m_bIsInitialized = (m_hInstUXThemeDLL != ((HINSTANCE)NULL)) ;
 208     if(!m_bIsInitialized)
 209     {
 210         ResetFunctionPointers() ;
 211     }
 212 }
 213
 214 void wxUxThemeEngine::ResetFunctionPointers()
 215 {
 216     m_pfnOpenThemeData = ((PFNWXUOPENTHEMEDATA)NULL) ;
 217     m_pfnCloseThemeData = ((PFNWXUCLOSETHEMEDATA)NULL) ;
 218     m_pfnDrawThemeBackground = ((PFNWXUDRAWTHEMEBACKGROUND)NULL) ;
 219     m_pfnDrawThemeText = ((PFNWXUDRAWTHEMETEXT)NULL) ;
 220     m_pfnGetThemeBackgroundContentRect = ((PFNWXUGETTHEMEBACKGROUNDCONTENTRECT)NULL) ;
 221     m_pfnGetThemeBackgroundExtent = ((PFNWXUGETTHEMEBACKGROUNDEXTENT)NULL) ;
 222     m_pfnGetThemePartSize = ((PFNWXUGETTHEMEPARTSIZE)NULL) ;
 223     m_pfnGetThemeTextExtent = ((PFNWXUGETTHEMETEXTEXTENT)NULL) ;
 224     m_pfnGetThemeTextMetrics = ((PFNWXUGETTHEMETEXTMETRICS)NULL) ;
 225     m_pfnGetThemeBackgroundRegion = ((PFNWXUGETTHEMEBACKGROUNDREGION)NULL) ;
 226     m_pfnHitTestThemeBackground = ((PFNWXUHITTESTTHEMEBACKGROUND)NULL) ;
 227     m_pfnDrawThemeEdge = ((PFNWXUDRAWTHEMEEDGE)NULL) ;
 228     m_pfnDrawThemeIcon = ((PFNWXUDRAWTHEMEICON)NULL) ;
 229     m_pfnIsThemePartDefined = ((PFNWXUISTHEMEPARTDEFINED)NULL) ;
 230     m_pfnIsThemeBackgroundPartiallyTransparent = ((PFNWXUISTHEMEBACKGROUNDPARTIALLYTRANSPARENT)NULL) ;
 231     m_pfnGetThemeColor = ((PFNWXUGETTHEMECOLOR)NULL) ;
 232     m_pfnGetThemeMetric = ((PFNWXUGETTHEMEMETRIC)NULL) ;
 233     m_pfnGetThemeString = ((PFNWXUGETTHEMESTRING)NULL) ;
 234     m_pfnGetThemeBool = ((PFNWXUGETTHEMEBOOL)NULL) ;
 235     m_pfnGetThemeInt = ((PFNWXUGETTHEMEINT)NULL) ;
 236     m_pfnGetThemeEnumValue = ((PFNWXUGETTHEMEENUMVALUE)NULL) ;
 237     m_pfnGetThemePosition = ((PFNWXUGETTHEMEPOSITION)NULL) ;
 238     m_pfnGetThemeFont = ((PFNWXUGETTHEMEFONT)NULL) ;
 239     m_pfnGetThemeRect = ((PFNWXUGETTHEMERECT)NULL) ;
 240     m_pfnGetThemeMargins = ((PFNWXUGETTHEMEMARGINS)NULL) ;
 241     m_pfnGetThemeIntList = ((PFNWXUGETTHEMEINTLIST)NULL) ;
 242     m_pfnGetThemePropertyOrigin = ((PFNWXUGETTHEMEPROPERTYORIGIN)NULL) ;
 243     m_pfnSetWindowTheme = ((PFNWXUSETWINDOWTHEME)NULL) ;
 244     m_pfnGetThemeFilename = ((PFNWXUGETTHEMEFILENAME)NULL) ;
 245     m_pfnGetThemeSysColor = ((PFNWXUGETTHEMESYSCOLOR)NULL) ;
 246     m_pfnGetThemeSysColorBrush = ((PFNWXUGETTHEMESYSCOLORBRUSH)NULL) ;
 247     m_pfnGetThemeSysBool = ((PFNWXUGETTHEMESYSBOOL)NULL) ;
 248     m_pfnGetThemeSysSize = ((PFNWXUGETTHEMESYSSIZE)NULL) ;
 249     m_pfnGetThemeSysFont = ((PFNWXUGETTHEMESYSFONT)NULL) ;
 250     m_pfnGetThemeSysString = ((PFNWXUGETTHEMESYSSTRING)NULL) ;
 251     m_pfnGetThemeSysInt = ((PFNWXUGETTHEMESYSINT)NULL) ;
 252     m_pfnIsThemeActive = ((PFNWXUISTHEMEACTIVE)NULL) ;
 253     m_pfnIsAppThemed = ((PFNWXUISAPPTHEMED)NULL) ;
 254     m_pfnGetWindowTheme = ((PFNWXUGETWINDOWTHEME)NULL) ;
 255     m_pfnEnableThemeDialogTexture = ((PFNWXUENABLETHEMEDIALOGTEXTURE)NULL) ;
 256     m_pfnIsThemeDialogTextureEnabled = ((PFNWXUISTHEMEDIALOGTEXTUREENABLED)NULL) ;
 257     m_pfnGetThemeAppProperties = ((PFNWXUGETTHEMEAPPPROPERTIES)NULL) ;
 258     m_pfnSetThemeAppProperties = ((PFNWXUSETTHEMEAPPPROPERTIES)NULL) ;
 259     m_pfnGetCurrentThemeName = ((PFNWXUGETCURRENTTHEMENAME)NULL) ;
 260     m_pfnGetThemeDocumentationProperty = ((PFNWXUGETTHEMEDOCUMENTATIONPROPERTY)NULL) ;
 261     m_pfnDrawThemeParentBackground = ((PFNWXUDRAWTHEMEPARENTBACKGROUND)NULL) ;
 262     m_pfnEnableTheming = ((PFNWXUENABLETHEMING)NULL) ;
 263 }
 264
 265 wxUxThemeEngine::~wxUxThemeEngine()
 266 {
 267     if(m_hInstUXThemeDLL != ((HINSTANCE)NULL))
 268     {
 269         ::FreeLibrary(m_hInstUXThemeDLL) ;
 270     }
 271     ResetFunctionPointers() ;
 272 }
 273
 274 #endif
 275     // wxUSE_UXTHEME
 276