[> Gtk.item ] Gtk.obj ->
object ('a)
method add : callback:(GObj.widget -> unit) -> GtkSignal.id
method after : 'a
method deselect : callback:(unit -> unit) -> GtkSignal.id
method destroy : callback:(unit -> unit) -> GtkSignal.id
method remove : callback:(GObj.widget -> unit) -> GtkSignal.id
method select : callback:(unit -> unit) -> GtkSignal.id
method toggle : callback:(unit -> unit) -> GtkSignal.id
end