+++ /dev/null
-(* Copyright (C) 2004, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://helm.cs.unibo.it/
- *)
-
-class html_logger ?width ?height ?packing ?show () =
- let scrolled_window = GBin.scrolled_window ?packing ?show () in
- let vadj = scrolled_window#vadjustment in
- let tv =
- GText.view ~editable:false ~cursor_visible:false
- ?width ?height ~packing:(scrolled_window#add) ()
- in
- let colors = Hashtbl.create 13 in
- let get_color color =
- try
- Hashtbl.find colors color
- with Not_found ->
- let tag =
- tv#buffer#create_tag
- [`FOREGROUND_SET true ;
- `FOREGROUND_GDK
- (Gdk.Color.alloc (Gdk.Color.get_system_colormap ()) (`NAME color))]
- in
- Hashtbl.add colors color tag;
- tag
- in
- let log ?(append_NL = true) msg =
- let rec aux color indent =
- let indent_str = String.make indent ' ' in
- function
- | `T s -> tv#buffer#insert ~tags:[ get_color color ] s
- | `L tags ->
- List.iter
- (fun tag -> aux color indent tag; tv#buffer#insert indent_str)
- tags
- | `BR -> tv#buffer#insert ("\n" ^ indent_str)
- | `DIV (local_indent, new_color, tag) ->
- tv#buffer#insert ("\n" ^ indent_str);
- aux
- (match new_color with None -> color | Some new_color -> new_color)
- (indent + local_indent) tag
- in
- (match msg with
- | `Error tag -> aux "red" 0 tag
- | `Msg tag -> aux "black" 0 tag);
- if append_NL then tv#buffer#insert "\n"
- in
- object (self)
- initializer HelmLogger.register_log_callback log
- end
-