GtkGooCanvas.Itemval get_bounds : GooCanvas_types.item Gobject.obj -> float arrayval remove : GooCanvas_types.item Gobject.obj -> unitval raise : GooCanvas_types.item Gobject.obj -> GooCanvas_types.item Gobject.obj option -> unitval set_parent : GooCanvas_types.item Gobject.obj -> GooCanvas_types.item Gobject.obj -> unitval get_n_children : GooCanvas_types.item Gobject.obj -> intval remove_child : GooCanvas_types.item Gobject.obj -> int -> unitmodule Signals : sig ... end