1 (* Copyright (C) 2000, Luca Padovani <luca.padovani@cs.unibo.it>.
3 * This file is part of lablgtkmathview, the Ocaml binding
4 * for the GtkMathView widget.
6 * lablgtkmathview is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
11 * lablgtkmathview is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with lablgtkmathview; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 * For details, send a mail to the author.
30 exception ErrorLoadingFile of string;;
31 exception ErrorWritingFile of string;;
32 exception NoSelection;;
34 class math_view_signals obj = object
35 inherit GContainer.container_signals obj
36 method clicked = GtkSignal.connect ~sgn:MathView.Signals.clicked obj ~after
37 method jump = GtkSignal.connect ~sgn:MathView.Signals.jump obj ~after
38 method selection_changed =
39 GtkSignal.connect ~sgn:MathView.Signals.selection_changed obj ~after
42 class math_view obj = object
43 inherit GContainer.container (obj : Gtk_mathview.math_view obj)
44 method connect = new math_view_signals obj
45 method load ~filename =
46 if not (MathView.load obj ~filename) then raise (ErrorLoadingFile filename)
47 method unload = MathView.unload obj
48 method get_selection = MathView.get_selection obj
49 method set_selection (node : Ominidom.o_mDOMNode option) = MathView.set_selection obj node
50 method get_width = MathView.get_width obj
51 method get_height = MathView.get_height obj
52 method get_top = MathView.get_top obj
53 method set_top = MathView.set_top obj
54 method set_adjustments =
56 MathView.set_adjustments obj (GData.as_adjustment adj1)
57 (GData.as_adjustment adj2)
58 method get_hadjustment = new GData.adjustment (MathView.get_hadjustment obj)
59 method get_vadjustment = new GData.adjustment (MathView.get_vadjustment obj)
60 method get_buffer = MathView.get_buffer obj
61 method get_frame = new GBin.frame (MathView.get_frame obj)
62 method set_font_size = MathView.set_font_size obj
63 method get_font_size = MathView.get_font_size obj
64 method set_anti_aliasing = MathView.set_anti_aliasing obj
65 method get_anti_aliasing = MathView.get_anti_aliasing obj
66 method set_kerning = MathView.set_kerning obj
67 method get_kerning = MathView.get_kerning obj
68 method set_log_verbosity = MathView.set_log_verbosity obj
69 method get_log_verbosity = MathView.get_log_verbosity obj
70 method export_to_postscript
71 ?(width = 595) ?(height = 822) ?(x_margin = 72) ?(y_margin = 72)
72 ?(disable_colors = false) ~filename () =
73 let result = MathView.export_to_postscript obj
74 ~width ~height ~x_margin ~y_margin ~disable_colors ~filename
76 if not result then raise (ErrorWritingFile filename)
77 method get_font_manager_type = MathView.get_font_manager_type obj
78 method set_font_manager_type ~fm_type = MathView.set_font_manager_type obj ~fm_type
81 let math_view ?adjustmenth ?adjustmentv ?font_size ?font_manager ?border_width
82 ?width ?height ?packing ?show () =
85 ?adjustmenth:(may_map ~f:GData.as_adjustment adjustmenth)
86 ?adjustmentv:(may_map ~f:GData.as_adjustment adjustmentv)
89 Container.set w ?border_width ?width ?height;
90 let mathview = pack_return (new math_view w) ~packing ~show in
93 | Some size -> mathview#set_font_size size
97 match font_manager with
98 | Some manager -> mathview#set_font_manager_type ~fm_type:manager