No changes, just factor our wxDirection parsing code in wxXRC.

Move it from wxButtonXmlHandler into a reusable wxXmlResourceHandler::
GetDirection() that can used by the other handlers too.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68839 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/xrc/xmlres.h

@@ -553,6 +553,18 @@ protected:
     wxCoord GetDimension(const wxString& param, wxCoord defaultv = 0,
                          wxWindow* windowToUse = 0);
 
+    /**
+        Gets a direction.
+
+        If the given @a param is not present or has empty value, @a dir is
+        returned by default. Otherwise the value of the parameter is parsed and
+        a warning is generated if it's not one of @c wxLEFT, @c wxTOP, @c
+        wxRIGHT or @c wxBOTTOM.
+
+        @since 2.9.3
+     */
+    wxDirection GetDirection(const wxString& param, wxDirection dir = wxLEFT);
+
     /**
         Gets a font.
     */