1 /* Common Lisp bindings for GTK+ v2.0
2 * Copyright (C) 1999-2000 Espen S. Johnsen <espejohn@online.no>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 /* $Id: callback.c,v 1.6 2001/12/12 20:24:41 espen Exp $ */
21 #include <glib-object.h>
28 lispobj callback_trampoline;
29 lispobj destroy_user_data;
32 void destroy_notify (gpointer data);
35 void lisp_callback_marshal (GClosure *closure,
38 const GValue *param_values,
39 gpointer invocation_hint,
40 gpointer marshal_data)
43 funcall3 (callback_trampoline, alloc_number ((unsigned int)closure->data),
44 alloc_cons (alloc_number (n_params), alloc_sap (param_values)),
45 alloc_sap (return_value));
47 callback_trampoline ((unsigned long)closure->data,
48 n_params, (unsigned int)param_values,
49 (unsigned int)return_value);
53 void closure_destroy_notify (gpointer callback_id, GClosure *closure)
55 destroy_notify (callback_id);
58 void destroy_notify (gpointer data)
61 funcall1 (destroy_user_data, alloc_number ((unsigned long)data));
63 destroy_user_data ((unsigned long)data);
68 g_lisp_callback_closure_new (guint callback_id)
72 closure = g_closure_new_simple (sizeof (GClosure), (gpointer)callback_id);
73 g_closure_set_marshal (closure, lisp_callback_marshal);
74 g_closure_add_finalize_notifier (closure, (gpointer)callback_id, closure_destroy_notify);
81 destroy_notify_address ()
83 return (void*)destroy_notify;
89 g_enum_class_values (GEnumClass *class, guint *n_values)
91 *n_values = class->n_values;
96 g_flags_class_values (GFlagsClass *class, guint *n_values)
98 *n_values = class->n_values;