- // else return platform dependent size
-
-#if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
- // Gtk has specific sizes for each client, see artgtk.cpp
- GtkIconSize gtk_size = wxArtClientToIconSize(client);
- // no size hints for this client
- if (gtk_size == GTK_ICON_SIZE_INVALID)
- return wxDefaultSize;
- gint width, height;
- gtk_icon_size_lookup( gtk_size, &width, &height);
- return wxSize(width, height);
-#else // !GTK+ 2
- // NB: These size hints may have to be adjusted per platform
- if (client == wxART_TOOLBAR)
- return wxSize(16, 15);
- else if (client == wxART_MENU)
- return wxSize(16, 15);
- else if (client == wxART_FRAME_ICON)
- return wxSize(16, 15);
- else if (client == wxART_CMN_DIALOG || client == wxART_MESSAGE_BOX)
- return wxSize(32, 32);
- else if (client == wxART_HELP_BROWSER)
- return wxSize(16, 15);
- else if (client == wxART_BUTTON)
- return wxSize(16, 15);
- else // wxART_OTHER or perhaps a user's client, no specified size
- return wxDefaultSize;
-#endif // GTK+ 2/else
+ return GetNativeSizeHint(client);
+}
+
+#ifndef wxHAS_NATIVE_ART_PROVIDER_IMPL
+/*static*/
+wxSize wxArtProvider::GetNativeSizeHint(const wxArtClient& WXUNUSED(client))
+{
+ // rather than returning some arbitrary value that doesn't make much
+ // sense (as 2.8 used to do), tell the caller that we don't have a clue:
+ return wxDefaultSize;
+}
+
+/*static*/
+void wxArtProvider::InitNativeProvider()
+{