[metacity] keybindings: add keycode_to_keysym

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 1fb24b6296c69fa483ee6d698eb4dbdd5b098270
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed Jan 7 22:58:43 2015 +0200

    keybindings: add keycode_to_keysym

 src/core/keybindings.c |   18 ++++++++++++++++--
 1 files changed, 16 insertions(+), 2 deletions(-)
---
diff --git a/src/core/keybindings.c b/src/core/keybindings.c
index 6582bef..733902a 100644
--- a/src/core/keybindings.c
+++ b/src/core/keybindings.c
@@ -261,6 +261,20 @@ keysym_to_keycode (MetaDisplay *display,
     return XKeysymToKeycode (display->xdisplay, keysym);
 }
 
+static KeySym
+keycode_to_keysym (MetaDisplay *display,
+                   guint        keycode)
+{
+  if (keycode == meta_display_get_above_tab_keycode (display))
+    return META_KEY_ABOVE_TAB;
+
+#ifdef HAVE_XKB
+  return XkbKeycodeToKeysym (display->xdisplay, keycode, 0, 0);
+#else
+  return XKeycodeToKeysym (display->xdisplay, keycode, 0);
+#endif
+}
+
 static void
 reload_keycodes (MetaDisplay *display)
 {
@@ -1324,9 +1338,9 @@ meta_display_process_key_event (MetaDisplay *display,
       meta_ui_window_is_widget (screen->ui, event->xany.window))
     return;
 
-  /* window may be NULL */
+  keysym = keycode_to_keysym (display, event->xkey.keycode);
+
 #ifdef HAVE_XKB
-  keysym = XkbKeycodeToKeysym (display->xdisplay, event->xkey.keycode, 0, 0);
   str = XKeysymToString (keysym);
 #else
   str = NULL;