1 /* Copyright (C) 2000-2003, Luca Padovani <luca.padovani@cs.unibo.it>,
2 * Claudio Sacerdoti Coen <sacerdot@cs.unibo.it>.
4 * This file is part of lablgtkmathview, the Ocaml binding
5 * for the GtkMathView widget.
7 * lablgtkmathview 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 * lablgtkmathview 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 lablgtkmathview; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 * For details, send a mail to the author.
28 #include <caml/mlvalues.h>
29 #include <caml/alloc.h>
30 #include <caml/memory.h>
31 #include <caml/callback.h>
32 #include <caml/fail.h>
34 #include <gtkmathview/gtkmathview.h>
43 #include <mlgdomevalue.h>
45 #define GtkMathView_val(val) check_cast(GTK_MATH_VIEW,val)
47 #define FontManagerId_val(val) Int_val(val)
48 #define Val_FontManagerId(val) Val_int(val)
50 /* As ML_1, but the result is optional */
51 #define OML_1(cname, conv1, conv) \
52 value ml_##cname (value arg1) { return Val_option_ptr((cname (conv1 (arg1))),conv); }
53 /* As ML_3, but the result is optional */
54 #define OML_3(cname, conv1, conv2, conv3, conv) \
55 value ml_##cname (value arg1, value arg2, value arg3) { return Val_option_ptr((cname (conv1 (arg1), conv2 (arg2), conv3 (arg3))),conv); }
56 /* As ML_2, but the second argument is optional */
57 #define ML_2O(cname, conv1, conv2, conv) \
58 value ml_##cname (value arg1, value arg2) \
59 { return conv (cname (conv1(arg1), ptr_val_option(arg2,conv2))); }
62 font_manager_id_of_value(value v)
64 if (v == hash_variant("font_manager_gtk")) return FONT_MANAGER_GTK;
65 else if (v == hash_variant("font_manager_t1")) return FONT_MANAGER_T1;
70 value_of_font_manager_id(FontManagerId id)
73 case FONT_MANAGER_GTK:
74 return hash_variant("font_manager_gtk");
76 return hash_variant("font_manager_t1");
83 value Val_Element_ref(GdomeElement* elem)
87 GdomeException exc = 0;
88 gdome_el_ref(elem, &exc);
91 return Val_Element(elem);
94 ML_2 (gtk_math_view_new,GtkAdjustment_val, GtkAdjustment_val, Val_GtkWidget_sink)
95 ML_1 (gtk_math_view_freeze, GtkMathView_val, Unit)
96 ML_1 (gtk_math_view_thaw, GtkMathView_val, Unit)
97 ML_2 (gtk_math_view_load_uri, GtkMathView_val, String_val, Val_bool)
98 ML_2 (gtk_math_view_load_doc, GtkMathView_val, Document_val, Val_bool)
99 ML_1 (gtk_math_view_unload, GtkMathView_val, Unit)
100 ML_2 (gtk_math_view_select, GtkMathView_val, Element_val, Unit)
101 ML_2 (gtk_math_view_unselect, GtkMathView_val, Element_val, Unit)
102 ML_2 (gtk_math_view_is_selected, GtkMathView_val, Element_val, Val_bool)
103 OML_3 (gtk_math_view_get_element_at, GtkMathView_val, Int_val, Int_val, Val_Element)
104 ML_1 (gtk_math_view_get_width, GtkMathView_val, Val_int)
105 ML_1 (gtk_math_view_get_height, GtkMathView_val, Val_int)
106 ML_3 (gtk_math_view_set_top, GtkMathView_val, Int_val, Int_val, Unit)
107 ML_3 (gtk_math_view_set_adjustments, GtkMathView_val, GtkAdjustment_val, GtkAdjustment_val, Unit)
108 ML_1 (gtk_math_view_get_hadjustment, GtkMathView_val, Val_GtkWidget)
109 ML_1 (gtk_math_view_get_vadjustment, GtkMathView_val, Val_GtkWidget)
110 ML_1 (gtk_math_view_get_buffer, GtkMathView_val, Val_GdkPixmap)
111 ML_1 (gtk_math_view_get_frame, GtkMathView_val, Val_GtkWidget)
112 ML_1 (gtk_math_view_get_drawing_area, GtkMathView_val, Val_GtkWidget)
113 ML_2 (gtk_math_view_set_font_size, GtkMathView_val, Int_val, Unit)
114 ML_1 (gtk_math_view_get_font_size, GtkMathView_val, Val_int)
115 ML_2 (gtk_math_view_set_anti_aliasing, GtkMathView_val, Bool_val, Unit)
116 ML_1 (gtk_math_view_get_anti_aliasing, GtkMathView_val, Val_bool)
117 ML_2 (gtk_math_view_set_transparency, GtkMathView_val, Bool_val, Unit)
118 ML_1 (gtk_math_view_get_transparency, GtkMathView_val, Val_bool)
119 ML_2 (gtk_math_view_set_log_verbosity, GtkMathView_val, Int_val, Unit)
120 ML_1 (gtk_math_view_get_log_verbosity, GtkMathView_val, Val_int)
121 ML_2 (gtk_math_view_set_font_manager_type, GtkMathView_val, font_manager_id_of_value, Unit)
122 ML_1 (gtk_math_view_get_font_manager_type, GtkMathView_val, value_of_font_manager_id)
125 ml_gtk_math_view_export_to_postscript_native(value arg1,
126 value w, value h, value x0, value y0, value disable_colors, value arg2)
128 CAMLparam5(arg1,w,h,x0,y0);
129 CAMLxparam2(disable_colors, arg2);
134 filename = String_val (arg2);
135 if ((fd = fopen(filename, "w"))) {
136 gtk_math_view_export_to_postscript(GtkMathView_val (arg1),
137 Int_val(w), Int_val(h), Int_val(x0), Int_val(y0), Bool_val(disable_colors), fd);
141 fprintf(stderr, "Error opening file %s for writing\n", filename);
144 CAMLreturn (Val_bool(res));
147 value ml_gtk_math_view_export_to_postscript_bytecode (value* arg, int argn)
149 return ml_gtk_math_view_export_to_postscript_native(arg[0], arg[1], arg[2], arg[3], arg[4], arg[5], arg[6]);
152 value ml_gtk_math_view_get_top (value arg1)
157 gtk_math_view_get_top(GtkMathView_val (arg1), &x, &y);
158 result = alloc(2, 0);
159 Store_field(result, 0, Val_int(x));
160 Store_field(result, 1, Val_int(y));
165 value ml_gtk_math_view_get_element_coords (value arg1, value arg2)
167 CAMLparam2(arg1, arg2);
170 gtk_math_view_get_element_coords(GtkMathView_val (arg1), Element_val(arg2), &x, &y);
171 result = alloc(2, 0);
172 Store_field(result, 0, Val_int(x));
173 Store_field(result, 1, Val_int(y));
178 value ml_gtk_math_view_gdome_element_of_boxed_option (value arg1)
182 GdomeException exc = 0;
183 GdomeElement* nr = NULL;
186 if (arg1==Val_int(0)) {
189 nr = (GdomeElement*) Field(Field(arg1,0),1);
192 res = Val_Element_ref(nr);
193 if (res==Val_int(0)) {
200 value ml_gtk_math_view_gdome_element_option_of_boxed_option (value arg1)
208 if (arg1==Val_int(0)) {
211 GdomeException exc = 0;
212 GdomeElement* elem = (GdomeElement*) Field(Field(arg1,0),1);
213 assert(elem != NULL);
214 res = Val_option_ptr(elem, Val_Element_ref);