GtkBox: The center widget can be NULL

Propagates to GtkActionBar.

diff --git a/gtk/gtkactionbar.c b/gtk/gtkactionbar.c
index dd8aaf43ed0501d598e88cfb6aa79d49279a8992..0d3f93b3380ded46f505f4ce52ed842661d4161e 100644 (file)
--- a/gtk/gtkactionbar.c
+++ b/gtk/gtkactionbar.c
@@ -359,7 +359,7 @@ gtk_action_bar_set_center_widget (GtkActionBar *action_bar,
  *
  * Retrieves the center bar widget of the bar.
  *
- * Returns: (transfer none): the center #GtkWidget.
+ * Returns: (transfer none) (nullable): the center #GtkWidget or %NULL.
  *
  * Since: 3.12
  */

diff --git a/gtk/gtkbox.c b/gtk/gtkbox.c
index 945f928fa5d9cfd0d37772ef643345a089c221f9..51eb5d4fd3f731d24b6b9f3e7bbc58404fba21e2 100644 (file)
--- a/gtk/gtkbox.c
+++ b/gtk/gtkbox.c
@@ -2655,7 +2655,8 @@ gtk_box_set_center_widget (GtkBox    *box,
  *
  * Retrieves the center widget of the box.
  *
- * Returns: (transfer none): the center widget
+ * Returns: (transfer none) (nullable): the center widget
+ *   or %NULL in case no center widget is set.
  *
  * Since: 3.12
  */