Better fix

[wxWidgets.git] / include / wx / univ / theme.h

diff --git a/include/wx/univ/theme.h b/include/wx/univ/theme.h
index 64417f09001cd9e5780d5330520638201aa4f539..5e761d16175459ba786dd12153387b72caea666d 100644 (file)
--- a/include/wx/univ/theme.h
+++ b/include/wx/univ/theme.h
@@ -14,16 +14,18 @@
 #ifndef _WX_UNIV_THEME_H_
 #define _WX_UNIV_THEME_H_
 
+#include "wx/string.h"
+
 // ----------------------------------------------------------------------------
 // wxTheme
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxArtProvider;
-class WXDLLEXPORT wxColourScheme;
-class WXDLLEXPORT wxInputConsumer;
-class WXDLLEXPORT wxInputHandler;
-class WXDLLEXPORT wxRenderer;
-struct WXDLLEXPORT wxThemeInfo;
+class WXDLLIMPEXP_FWD_CORE wxArtProvider;
+class WXDLLIMPEXP_FWD_CORE wxColourScheme;
+class WXDLLIMPEXP_FWD_CORE wxInputConsumer;
+class WXDLLIMPEXP_FWD_CORE wxInputHandler;
+class WXDLLIMPEXP_FWD_CORE wxRenderer;
+struct WXDLLIMPEXP_FWD_CORE wxThemeInfo;
 
 class WXDLLEXPORT wxTheme
 {
@@ -71,7 +73,35 @@ private:
 
     // the current theme
     static wxTheme *ms_theme;
-    friend struct WXDLLEXPORT wxThemeInfo;
+    friend struct wxThemeInfo;
+};
+
+// ----------------------------------------------------------------------------
+// wxDelegateTheme: it is impossible to inherit from any of standard
+// themes as their declarations are in private code, but you can use this
+// class to override only some of their functions - all the other ones
+// will be left to the original theme
+// ----------------------------------------------------------------------------
+
+class wxDelegateTheme : public wxTheme
+{
+public:
+    wxDelegateTheme(const wxString& theme);
+    virtual ~wxDelegateTheme();
+
+    virtual wxRenderer *GetRenderer();
+    virtual wxArtProvider *GetArtProvider();
+    virtual wxInputHandler *GetInputHandler(const wxString& control,
+                                            wxInputConsumer *consumer);
+    virtual wxColourScheme *GetColourScheme();
+
+protected:
+    // gets or creates theme and sets m_theme to point to it,
+    // returns true on success
+    bool GetOrCreateTheme();
+
+    wxString    m_themeName;
+    wxTheme    *m_theme;
 };
 
 // ----------------------------------------------------------------------------
@@ -92,7 +122,7 @@ struct WXDLLEXPORT wxThemeInfo
     wxThemeInfo *next;
 
     // constructor for the struct itself
-    wxThemeInfo(Constructor ctor, const wxChar *name, const wxChar *desc);
+    wxThemeInfo(Constructor ctor, const wxString& name, const wxString& desc);
 };
 
 // ----------------------------------------------------------------------------
@@ -103,6 +133,10 @@ struct WXDLLEXPORT wxThemeInfo
 // without it, an over optimizing linker may discard the object module
 // containing the theme implementation entirely
 #define WX_USE_THEME(themename)                                             \
+    /* this indirection makes it possible to pass macro as the argument */  \
+    WX_USE_THEME_IMPL(themename)
+
+#define WX_USE_THEME_IMPL(themename)                                        \
     extern WXDLLEXPORT_DATA(bool) wxThemeUse##themename;                    \
     static struct wxThemeUserFor##themename                                 \
     {                                                                       \
@@ -124,5 +158,45 @@ struct WXDLLEXPORT wxThemeInfo
     wxThemeInfo classname::ms_info##themename(wxCtorFor##themename,         \
                                               wxT( #themename ), themedesc)
 
-#endif // _WX_UNIV_THEME_H_
+// ----------------------------------------------------------------------------
+// determine default theme
+// ----------------------------------------------------------------------------
+
+#if wxUSE_ALL_THEMES
+    #undef  wxUSE_THEME_WIN32
+    #define wxUSE_THEME_WIN32  1
+    #undef  wxUSE_THEME_GTK
+    #define wxUSE_THEME_GTK    1
+    #undef  wxUSE_THEME_MONO
+    #define wxUSE_THEME_MONO   1
+    #undef  wxUSE_THEME_METAL
+    #define wxUSE_THEME_METAL  1
+#endif // wxUSE_ALL_THEMES
+
+// determine the default theme to use:
+#if defined(__WXGTK__) && wxUSE_THEME_GTK
+    #define wxUNIV_DEFAULT_THEME gtk
+#elif defined(__WXDFB__) && wxUSE_THEME_MONO
+    // use mono theme for DirectFB port because it cannot correctly
+    // render neither win32 nor gtk themes yet:
+    #define wxUNIV_DEFAULT_THEME mono
+#endif
+
+// if no theme was picked, get any theme compiled in (sorted by
+// quality/completeness of the theme):
+#ifndef wxUNIV_DEFAULT_THEME
+    #if wxUSE_THEME_WIN32
+        #define wxUNIV_DEFAULT_THEME win32
+    #elif wxUSE_THEME_GTK
+        #define wxUNIV_DEFAULT_THEME gtk
+    #elif wxUSE_THEME_MONO
+        #define wxUNIV_DEFAULT_THEME mono
+    #endif
+    // If nothing matches, no themes are compiled and the app must provide
+    // some theme itself
+    // (note that wxUSE_THEME_METAL depends on win32 theme, so we don't have to
+    // try it)
+    //
+#endif // !wxUNIV_DEFAULT_THEME
 
+#endif // _WX_UNIV_THEME_H_