[gtk/widget-class-actions: 6/9] window: Use the new action machinery

[Matthias Clasen <matthiasc src gnome org>]

commit c5cf4d3362250d963262caf4ff471890c3c131fe
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jun 14 21:43:20 2019 -0400

    window: Use the new action machinery

 gtk/gtkwindow.c | 35 ++++++++++++-----------------------
 1 file changed, 12 insertions(+), 23 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 7d9a8f803c..c53a743506 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -492,6 +492,10 @@ static void        gtk_window_on_theme_variant_changed (GtkSettings *settings,
 #endif
 static void        gtk_window_set_theme_variant         (GtkWindow  *window);
 
+static void gtk_window_activate_default_activate (GtkWidget *widget,
+                                                  const char *action_name,
+                                                  GVariant *parameter);
+
 static void        gtk_window_do_popup         (GtkWindow      *window,
                                                 GdkEventButton *event);
 static void gtk_window_style_updated (GtkWidget     *widget);
@@ -1196,6 +1200,10 @@ gtk_window_class_init (GtkWindowClass *klass)
 
   gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_WINDOW_ACCESSIBLE);
   gtk_widget_class_set_css_name (widget_class, I_("window"));
+
+  gtk_widget_class_install_action (widget_class, "default.activate",
+                                   gtk_window_activate_default_activate,
+                                   NULL);
 }
 
 /**
@@ -1766,28 +1774,11 @@ gtk_window_capture_motion (GtkWidget *widget,
 }
 
 static void
-activate_default_cb (GSimpleAction *action,
-                     GVariant      *parameter,
-                     gpointer       data)
-{
-  gtk_window_real_activate_default (GTK_WINDOW (data));
-}
-
-static void
-add_actions (GtkWindow *window)
+gtk_window_activate_default_activate (GtkWidget  *widget,
+                                      const char *name,
+                                      GVariant   *parameter)
 {
-  GActionEntry entries[] = {
-    { "activate", activate_default_cb, NULL, NULL, NULL },
-  };
-
-  GActionGroup *actions;
-
-  actions = G_ACTION_GROUP (g_simple_action_group_new ());
-  g_action_map_add_action_entries (G_ACTION_MAP (actions),
-                                   entries, G_N_ELEMENTS (entries),
-                                   window);
-  gtk_widget_insert_action_group (GTK_WIDGET (window), "default", actions);
-  g_object_unref (actions);
+  gtk_window_real_activate_default (GTK_WINDOW (widget));
 }
 
 static void
@@ -1879,8 +1870,6 @@ gtk_window_init (GtkWindow *window)
   g_signal_connect_swapped (priv->key_controller, "focus-out",
                             G_CALLBACK (gtk_window_focus_out), window);
   gtk_widget_add_controller (widget, priv->key_controller);
-
-  add_actions (window);
 }
 
 static GtkGesture *