1 (* Copyright (C) 2000-2002, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://cs.unibo.it/helm/.
26 (******************************************************************************)
30 (* Claudio Sacerdoti Coen <sacerdot@cs.unibo.it> *)
34 (******************************************************************************)
38 open Disambiguate_types
40 (* A WIDGET TO ENTER CIC TERMS *)
42 class type term_editor =
44 method coerce : GObj.widget
45 (* get_as_string returns the unquoted string *)
46 method get_as_string : string
47 method get_metasenv_and_term :
48 context:Cic.context ->
49 metasenv:Cic.metasenv -> Cic.metasenv * Cic.term
51 (* The input of set_term is unquoted *)
52 method set_term : string -> unit
53 method id_to_uris : environment ref
56 let empty_id_to_uris = Environment.empty
58 module Make(C: Callbacks) =
61 module Disambiguate' = Disambiguate.Make(C);;
63 class term_editor_impl mqi_handle ?packing ?width ?height
64 ?isnotempty_callback ?share_id_to_uris_with () : term_editor
67 match share_id_to_uris_with with
68 None -> ref empty_id_to_uris
69 | Some obj -> obj#id_to_uris
71 let input = GText.view ~editable:true ?width ?height ?packing () in
73 match isnotempty_callback with
76 ignore(input#buffer#connect#changed
77 (function () -> callback (input#buffer#char_count > 0)))
81 method coerce = input#coerce
84 input#buffer#delete input#buffer#start_iter input#buffer#end_iter
85 (* CSC: txt is now a string, but should be of type Cic.term *)
89 ignore (input#buffer#insert txt)
91 (* CSC: this method should disappear *)
92 (* get_as_string returns the unquoted string *)
93 method get_as_string = input#buffer#get_text ()
95 method get_metasenv_and_term ~context ~metasenv =
104 Parser.parse_term (Stream.of_string (input#buffer#get_text ()))
106 let id_to_uris',metasenv,expr =
107 Disambiguate'.disambiguate_term mqi_handle context metasenv term
110 id_to_uris := id_to_uris';
113 method id_to_uris = id_to_uris
116 let term_editor = new term_editor_impl