Lists the closures used by widget for accelerator group connections
with AccelGroup.connectByPath or AccelGroup.connect.
The closures can be used to monitor accelerator changes on widget,
by connecting to the GtkAccelGroup::accel-changed signal of the
gtk.AccelGroup of a closure which can be found out with
AccelGroup.fromAccelClosure.
Lists the closures used by widget for accelerator group connections with AccelGroup.connectByPath or AccelGroup.connect. The closures can be used to monitor accelerator changes on widget, by connecting to the GtkAccelGroup::accel-changed signal of the gtk.AccelGroup of a closure which can be found out with AccelGroup.fromAccelClosure.