[gtk: 1/2] imwayland: Connect gtk_im_context_focus_in/out to GtkEventControllerKey

[Carlos Garnacho <carlosg src gnome org>]

commit 5be14577d6e2fc5ba0d564d15619ceecbd456a1a
Author: Takao Fujiwara <tfujiwar redhat com>
Date:   Tue Jan 28 23:47:16 2020 +0900

    imwayland: Connect gtk_im_context_focus_in/out to GtkEventControllerKey
    
    GtkEventControllerKey can handle GDK_FOCUS_CHANGE and call
    gtk_im_context_focus_in/out directly.
    
    https://gitlab.gnome.org/GNOME/gtk/issues/2390

 gtk/gtkeventcontrollerkey.c | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/gtk/gtkeventcontrollerkey.c b/gtk/gtkeventcontrollerkey.c
index 07c8b8150c..db7acbc8fd 100644
--- a/gtk/gtkeventcontrollerkey.c
+++ b/gtk/gtkeventcontrollerkey.c
@@ -129,6 +129,13 @@ update_focus (GtkEventControllerKey *key,
     {
       key->is_focus = is_focus;
       g_object_notify (G_OBJECT (key), "is-focus");
+      if (key->im_context)
+        {
+          if (focus_in)
+            gtk_im_context_focus_in (key->im_context);
+          else
+            gtk_im_context_focus_out (key->im_context);
+        }
     }
   if (key->contains_focus != contains_focus)
     {