[gnome-games/wip/exalm/gtk4: 21/35] ui: Replace 'delete-event' signal with 'close-request'

[Alexander Mikhaylenko <alexm src gnome org>]

commit 40ed185a29fc8e2ce171e95363451c3ca1e24377
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Sun Jul 29 10:14:35 2018 +0500

    ui: Replace 'delete-event' signal with 'close-request'

 data/ui/application-window.ui  | 2 +-
 src/ui/application-window.vala | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/ui/application-window.ui b/data/ui/application-window.ui
index 50d5ed36..d81f1a84 100644
--- a/data/ui/application-window.ui
+++ b/data/ui/application-window.ui
@@ -6,7 +6,7 @@
     <property name="default_width">768</property>
     <property name="default_height">600</property>
     <property name="show_menubar">False</property>
-    <signal name="delete-event" after="yes" handler="on_delete_event"/>
+    <signal name="close-request" after="yes" handler="on_close_request"/>
     <signal name="window-state-event" after="yes" handler="on_window_state_event"/>
     <signal name="notify::is-active" after="yes" handler="on_active_changed"/>
     <child>
diff --git a/src/ui/application-window.vala b/src/ui/application-window.vala
index c2e69af3..ab399701 100644
--- a/src/ui/application-window.vala
+++ b/src/ui/application-window.vala
@@ -210,7 +210,7 @@ private class Games.ApplicationWindow : Gtk.ApplicationWindow {
        }
 
        [GtkCallback]
-       public bool on_delete_event () {
+       public bool on_close_request (Gtk.Window window) {
                return !quit_game ();
        }