[lightsoff/arnaudb/wip/gtk4: 11/28] Adapt to EventController API.

[Arnaud B. <arnaudb src gnome org>]

commit 4b76481740b862d0d8d4d977ae2527b5d1a66ec9
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Fri Nov 27 16:07:02 2020 +0100

    Adapt to EventController API.

 src/lightsoff-window.vala | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/src/lightsoff-window.vala b/src/lightsoff-window.vala
index 7b9d3e4..e4d73dd 100644
--- a/src/lightsoff-window.vala
+++ b/src/lightsoff-window.vala
@@ -44,8 +44,9 @@ private class LightsoffWindow : ManagedWindow
 
     private inline void init_keyboard ()
     {
-        key_controller = new EventControllerKey (this);
+        key_controller = new EventControllerKey ();
         key_controller.key_pressed.connect (on_key_pressed);
+        ((Widget) this).add_controller (key_controller);
     }
 
     private inline void populate_game_container (int level)