41 lines
1.6 KiB
OCaml
41 lines
1.6 KiB
OCaml
(***********************************************************************)
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(* *)
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(* OCaml *)
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(* *)
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(* Pierre Weis and Jun Furuse, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 2001 Institut National de Recherche en Informatique et *)
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(* en Automatique. All rights reserved. This file is distributed *)
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(* under the terms of the GNU Library General Public License, with *)
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(* the special exception on linking described in file ../../LICENSE. *)
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(* *)
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(***********************************************************************)
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(* Module [GraphicsX11]: additional graphics primitives for
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the X Windows system *)
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type window_id = string
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external window_id : unit -> window_id = "caml_gr_window_id"
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let subwindows = Hashtbl.create 13
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external open_subwindow : int -> int -> int -> int -> window_id
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= "caml_gr_open_subwindow"
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external close_subwindow : window_id -> unit
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= "caml_gr_close_subwindow"
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let open_subwindow ~x ~y ~width ~height =
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let wid = open_subwindow x y width height in
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Hashtbl.add subwindows wid ();
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wid
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;;
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let close_subwindow wid =
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if Hashtbl.mem subwindows wid then begin
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close_subwindow wid;
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Hashtbl.remove subwindows wid
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end else
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raise (Graphics.Graphic_failure("close_subwindow: no such subwindow: "^wid))
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;;
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