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 ErrorLoadingDOM;;
33 exception NoSelection;;
35 class math_view_signals obj = object
36 inherit GContainer.container_signals obj
37 method clicked = GtkSignal.connect ~sgn:MathView.Signals.clicked obj ~after
38 method selection_changed =
39 GtkSignal.connect ~sgn:MathView.Signals.selection_changed obj ~after
40 method element_changed =
41 GtkSignal.connect ~sgn:MathView.Signals.element_changed obj ~after
44 class math_view obj = object
45 inherit GContainer.container (obj : Gtk_mathview.math_view obj)
46 method connect = new math_view_signals obj
47 method load ~filename =
48 if not (MathView.load obj ~filename) then raise (ErrorLoadingFile filename)
49 method load_tree ~dom =
50 if not (MathView.load_tree obj ~dom) then raise ErrorLoadingDOM
51 method unload = MathView.unload obj
52 method get_selection = MathView.get_selection obj
53 method set_selection (node : Ominidom.o_mDOMNode option) = MathView.set_selection obj node
54 method get_width = MathView.get_width obj
55 method get_height = MathView.get_height obj
56 method get_top = MathView.get_top obj
57 method set_top = MathView.set_top obj
58 method set_adjustments =
60 MathView.set_adjustments obj (GData.as_adjustment adj1)
61 (GData.as_adjustment adj2)
62 method get_hadjustment = new GData.adjustment (MathView.get_hadjustment obj)
63 method get_vadjustment = new GData.adjustment (MathView.get_vadjustment obj)
64 method get_buffer = MathView.get_buffer obj
65 method get_frame = new GBin.frame (MathView.get_frame obj)
66 method set_font_size = MathView.set_font_size obj
67 method get_font_size = MathView.get_font_size obj
68 method set_anti_aliasing = MathView.set_anti_aliasing obj
69 method get_anti_aliasing = MathView.get_anti_aliasing obj
70 method set_kerning = MathView.set_kerning obj
71 method get_kerning = MathView.get_kerning obj
72 method set_transparency = MathView.set_transparency obj
73 method get_transparency = MathView.get_transparency obj
74 method set_log_verbosity = MathView.set_log_verbosity obj
75 method get_log_verbosity = MathView.get_log_verbosity obj
76 method export_to_postscript
77 ?(width = 595) ?(height = 822) ?(x_margin = 72) ?(y_margin = 72)
78 ?(disable_colors = false) ~filename () =
79 let result = MathView.export_to_postscript obj
80 ~width ~height ~x_margin ~y_margin ~disable_colors ~filename
82 if not result then raise (ErrorWritingFile filename)
83 method get_font_manager_type = MathView.get_font_manager_type obj
84 method set_font_manager_type ~fm_type = MathView.set_font_manager_type obj ~fm_type
85 method get_element = MathView.get_element obj
86 method action_get_selected = MathView.action_get_selected obj
87 method action_set_selected = MathView.action_set_selected obj
88 method get_action = MathView.get_action obj
89 method action_toggle = MathView.action_toggle obj
92 let math_view ?adjustmenth ?adjustmentv ?font_size ?font_manager ?border_width
93 ?width ?height ?packing ?show () =
96 ?adjustmenth:(may_map ~f:GData.as_adjustment adjustmenth)
97 ?adjustmentv:(may_map ~f:GData.as_adjustment adjustmentv)
100 Container.set w ?border_width ?width ?height;
101 let mathview = pack_return (new math_view w) ~packing ~show in
104 | Some size -> mathview#set_font_size size
108 match font_manager with
109 | Some manager -> mathview#set_font_manager_type ~fm_type:manager