[mutter] clutter: Check the ClutterTextInputFocus has focus before filtering events

[Carlos Garnacho <carlosg src gnome org>]

commit bcd58820811901ed913d5970d32e8b3d3a280a2b
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sun Feb 18 15:19:41 2018 +0100

    clutter: Check the ClutterTextInputFocus has focus before filtering events
    
    Checking correct state is responsibility of the ClutterInputFocus user, and
    it is indeed possible to get a focused ClutterText while its
    ClutterInputFocus didn't get itself focused (eg. lack of IM).
    
    https://gitlab.gnome.org/GNOME/mutter/issues/36
    
    Closes: #36

 clutter/clutter/clutter-text.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/clutter/clutter/clutter-text.c b/clutter/clutter/clutter-text.c
index 48904a47d..280df0340 100644
--- a/clutter/clutter/clutter-text.c
+++ b/clutter/clutter/clutter-text.c
@@ -2247,7 +2247,8 @@ clutter_text_key_press (ClutterActor    *actor,
     {
       gunichar key_unichar;
 
-      if (clutter_input_focus_filter_key_event (priv->input_focus, event))
+      if (clutter_input_focus_is_focused (priv->input_focus) &&
+          clutter_input_focus_filter_key_event (priv->input_focus, event))
         return CLUTTER_EVENT_STOP;
 
       /* Skip keys when control is pressed */
@@ -2293,7 +2294,8 @@ clutter_text_key_release (ClutterActor    *actor,
   ClutterText *self = CLUTTER_TEXT (actor);
   ClutterTextPrivate *priv = self->priv;
 
-  if (clutter_input_focus_filter_key_event (priv->input_focus, event))
+  if (clutter_input_focus_is_focused (priv->input_focus) &&
+      clutter_input_focus_filter_key_event (priv->input_focus, event))
     return CLUTTER_EVENT_STOP;
 
   return CLUTTER_EVENT_PROPAGATE;