ocaml/otherlibs/labltk/frx/frx_after.ml

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(***********************************************************************)
(* *)
(* MLTk, Tcl/Tk interface of OCaml *)
(* *)
(* Francois Rouaix, Francois Pessaux, Jun Furuse and Pierre Weis *)
(* projet Cristal, INRIA Rocquencourt *)
(* Jacques Garrigue, Kyoto University RIMS *)
(* *)
(* Copyright 2002 Institut National de Recherche en Informatique et *)
(* en Automatique and Kyoto University. All rights reserved. *)
(* This file is distributed under the terms of the GNU Library *)
(* General Public License, with the special exception on linking *)
(* described in file LICENSE found in the OCaml source tree. *)
(* *)
(***********************************************************************)
open Protocol
let idle f =
let id = new_function_id () in
let wrapped _ =
clear_callback id; (* do it first in case f raises exception *)
f() in
Hashtbl.add callback_naming_table id wrapped;
tkCommand [| TkToken "after"; TkToken "idle";
TkToken ("camlcb "^ string_of_cbid id) |]