done various @todo items

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57634 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/intl.h

@@ -262,6 +262,17 @@ enum wxLanguage
 
 
 
+/**
+    This is the layout direction stored in wxLanguageInfo and returned by
+    wxApp::GetLayoutDirection() for RTL (right-to-left) languages support.
+*/
+enum wxLayoutDirection
+{
+    wxLayout_Default,
+    wxLayout_LeftToRight,
+    wxLayout_RightToLeft
+};
+
 /**
     wxLanguageInfo: encapsulates ::wxLanguage to OS native lang.desc.
                     translation information