2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2005 Erik Sandberg <mandolaerik@gmail.com>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond 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 LilyPond. If not, see <http://www.gnu.org/licenses/>.
23 #include "listener.hh"
24 #include "stream-event.hh"
28 /* Hash table. Each event-class maps to a list of listeners. */
30 /* alist of dispatchers that we listen to. Each entry is a
31 (dist . priority) pair. */
34 DECLARE_LISTENER (dispatch);
35 /* priority counter. Listeners with low priority receive events
38 void internal_add_listener (Listener, SCM event_class, int priority);
41 void broadcast (Stream_event *ev);
42 void add_listener (Listener, SCM event_class);
43 void remove_listener (Listener, SCM event_class);
44 void register_as_listener (Dispatcher *dist);
45 void unregister_as_listener (Dispatcher *dist);
47 DECLARE_SMOBS (Dispatcher);
50 DECLARE_UNSMOB (Dispatcher, dispatcher);
52 #endif // DISPATCHER_HH