gizmo: Chain up in snapshot if no snapshot func given

I.e. when gizmo users just want to draw child widgets anyway and don't
do any custom drawing, they can simply pass NULL.

diff --git a/gtk/gtkgizmo.c b/gtk/gtkgizmo.c
index 5c065e5fd930bb372eae4fa0385ddf9e00c1b5b2..38cd3d56b1c1a05c37370b3f4ab54effa6f0f15a 100644 (file)
--- a/gtk/gtkgizmo.c
+++ b/gtk/gtkgizmo.c
@@ -46,6 +46,8 @@ gtk_gizmo_snapshot (GtkWidget   *widget,
 
   if (self->snapshot_func)
     self->snapshot_func (self, snapshot);
+  else
+    GTK_WIDGET_CLASS (gtk_gizmo_parent_class)->snapshot (widget, snapshot);
 }
 
 static void