[orca] Additional fix for bug 665804 - Problems binding and rebinding commands with Caps_Lock and Shift

[Joanmarie Diggs <joanied src gnome org>]

commit ffd6f349fbd38911bec6f2b24f2ec14fdfbf3bc2
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri Dec 9 16:12:55 2011 -0500

    Additional fix for bug 665804 - Problems binding and rebinding commands with Caps_Lock and Shift
    
    Need to strip out reserved modifiers

 src/orca/orca_gui_prefs.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/orca_gui_prefs.py b/src/orca/orca_gui_prefs.py
index 696299a..cb90b83 100644
--- a/src/orca/orca_gui_prefs.py
+++ b/src/orca/orca_gui_prefs.py
@@ -27,6 +27,7 @@ __license__   = "LGPL"
 
 import os
 import sys
+from gi.repository import Gdk
 from gi.repository import Gtk
 from gi.repository import GObject
 from gi.repository import Pango
@@ -2989,6 +2990,7 @@ class OrcaSetupGUI(orca_gtkbuilder.GtkBuilderWrapper):
             mods = 0
             clickCount = 1
 
+        mods = mods & Gdk.ModifierType.MODIFIER_MASK
         if mods & (1 << pyatspi.MODIFIER_SHIFTLOCK) \
            and mods & settings.ORCA_MODIFIER_MASK:
             mods ^= (1 << pyatspi.MODIFIER_SHIFTLOCK)