Drop gtk_window_activate_focus

This api wasn't used anywhere in GTK. And since
we've dropped the variant for the default widget,
this one should go too. If it is needed, it should
become and action too.

docs/reference/gtk/gtk4-sections.txt

@@ -4647,7 +4647,6 @@ gtk_window_set_resizable
 gtk_window_get_resizable
 gtk_window_add_accel_group
 gtk_window_remove_accel_group
-gtk_window_activate_focus
 gtk_window_activate_default
 gtk_window_set_modal
 gtk_window_set_default_size

gtk/gtkwindow.c

@@ -429,7 +429,6 @@ static void gtk_window_move_focus         (GtkWidget         *widget,
                                            GtkDirectionType   dir);
 
 static void gtk_window_real_activate_default (GtkWindow         *window);
-static void gtk_window_real_activate_focus   (GtkWindow         *window);
 static void gtk_window_keys_changed          (GtkWindow         *window);
 static gboolean gtk_window_enable_debugging  (GtkWindow         *window,
                                               gboolean           toggle);
@@ -801,7 +800,6 @@ gtk_window_class_init (GtkWindowClass *klass)
   container_class->forall = gtk_window_forall;
 
   klass->activate_default = gtk_window_real_activate_default;
-  klass->activate_focus = gtk_window_real_activate_focus;
   klass->keys_changed = gtk_window_keys_changed;
   klass->enable_debugging = gtk_window_enable_debugging;
   klass->close_request = gtk_window_close_request;
@@ -2838,27 +2836,6 @@ gtk_window_set_position (GtkWindow         *window,
     }
 }
 
-/**
- * gtk_window_activate_focus:
- * @window: a #GtkWindow
- * 
- * Activates the current focused widget within the window.
- * 
- * Returns: %TRUE if a widget got activated.
- **/
-gboolean 
-gtk_window_activate_focus (GtkWindow *window)
-{
-  GtkWindowPrivate *priv = gtk_window_get_instance_private (window);
-
-  g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
-
-  if (priv->focus_widget && gtk_widget_is_sensitive (priv->focus_widget))
-    return gtk_widget_activate (priv->focus_widget);
-
-  return FALSE;
-}
-
 /**
  * gtk_window_get_focus:
  * @window: a #GtkWindow
@@ -6237,12 +6214,6 @@ gtk_window_real_activate_default (GtkWindow *window)
   gtk_window_activate_default (window);
 }
 
-static void
-gtk_window_real_activate_focus (GtkWindow *window)
-{
-  gtk_window_activate_focus (window);
-}
-
 static void
 do_focus_change (GtkWidget *widget,
                  gboolean   in)

gtk/gtkwindow.h

@@ -158,8 +158,6 @@ GDK_AVAILABLE_IN_ALL
 void       gtk_window_set_position             (GtkWindow           *window,
 						GtkWindowPosition    position);
 GDK_AVAILABLE_IN_ALL
-gboolean   gtk_window_activate_focus	       (GtkWindow           *window);
-GDK_AVAILABLE_IN_ALL
 void       gtk_window_set_focus                (GtkWindow           *window,
 						GtkWidget           *focus);
 GDK_AVAILABLE_IN_ALL