[iagno/arnaudb/wip/gtk4: 30/54] Make EventControllers work.

[Arnaud B. <arnaudb src gnome org>]

commit e5fb2c8861a8eca551322459a49cd7c1bfe628a9
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Tue Feb 18 04:16:35 2020 +0100

    Make EventControllers work.

 src/base-window.vala  | 1 +
 src/reversi-view.vala | 3 +++
 2 files changed, 4 insertions(+)
---
diff --git a/src/base-window.vala b/src/base-window.vala
index e1eb996..2a96664 100644
--- a/src/base-window.vala
+++ b/src/base-window.vala
@@ -317,6 +317,7 @@ private class BaseWindow : AdaptativeWindow, AdaptativeWidget
     {
         key_controller = new Gtk.EventControllerKey ();
         key_controller.key_pressed.connect (on_key_pressed);
+        add_controller (key_controller);
     }
 
     protected inline bool on_key_pressed (Gtk.EventControllerKey _key_controller, uint keyval, uint keycode, 
Gdk.ModifierType state)
diff --git a/src/reversi-view.vala b/src/reversi-view.vala
index 4762f69..f23503e 100644
--- a/src/reversi-view.vala
+++ b/src/reversi-view.vala
@@ -1067,10 +1067,12 @@ private class ReversiView : Gtk.DrawingArea
         motion_controller.motion.connect (on_motion);
         motion_controller.enter.connect (on_mouse_in);
         motion_controller.leave.connect (on_mouse_out);
+        add_controller (motion_controller);
 
         click_controller = new Gtk.GestureClick ();
         click_controller.set_button (/* all buttons */ 0);
         click_controller.pressed.connect (on_click);
+        add_controller (click_controller);
     }
 
     private inline void on_mouse_in (Gtk.EventControllerMotion _motion_controller, double event_x, double 
event_y, Gdk.CrossingMode mode)
@@ -1239,6 +1241,7 @@ private class ReversiView : Gtk.DrawingArea
     {
         key_controller = new Gtk.EventControllerKey ();
         key_controller.key_pressed.connect (on_key_pressed);
+        add_controller (key_controller);
     }
 
     private inline bool on_key_pressed (Gtk.EventControllerKey _key_controller, uint keyval, uint keycode, 
Gdk.ModifierType state)