GtkWidget: Start renaming widget->window

This is an automated change doing these command:

git sed -f g gtk_widget_set_has_window gtk_widget_set_has_surface
git sed -f g gtk_widget_get_has_window gtk_widget_get_has_surface
git sed -f g gtk_widget_set_parent_window gtk_widget_set_parent_surface
git sed -f g gtk_widget_get_parent_window gtk_widget_get_parent_surface
git sed -f g gtk_widget_set_window gtk_widget_set_surface
git sed -f g gtk_widget_get_window gtk_widget_get_surface
git sed -f g gtk_widget_register_window gtk_widget_register_surface
git sed -f g gtk_widget_unregister_window gtk_widget_unregister_surface

git checkout NEWS*

1 files changed, 2 insertions, 2 deletions

diff --git a/tests/testfullscreen.c b/tests/testfullscreen.c
index 54b18a6ef5..acdbd15bb0 100644
--- a/tests/testfullscreen.c
+++ b/tests/testfullscreen.c
@@ -25,7 +25,7 @@ set_fullscreen_monitor_cb (GtkWidget *widget, gpointer user_data)
   GdkFullscreenMode mode = (GdkFullscreenMode) GPOINTER_TO_INT (user_data);
   GdkSurface  *window;
 
-  window = gtk_widget_get_parent_window (widget);
+  window = gtk_widget_get_parent_surface (widget);
   gdk_surface_set_fullscreen_mode (window, mode);
   gdk_surface_fullscreen (window);
 }
@@ -35,7 +35,7 @@ remove_fullscreen_cb (GtkWidget *widget, gpointer user_data)
 {
   GdkSurface  *window;
 
-  window = gtk_widget_get_parent_window (widget);
+  window = gtk_widget_get_parent_surface (widget);
   gdk_surface_unfullscreen (window);
 }