lily/event-chord-iterator.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 1997--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
   5
   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.
  10
  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.
  15
  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/>.
  18 */
  19
  20 #include "event-chord-iterator.hh"
  21
  22 #include "context.hh"
  23 #include "dispatcher.hh"
  24 #include "duration.hh"
  25 #include "input.hh"
  26 #include "international.hh"
  27 #include "music.hh"
  28 #include "warn.hh"
  29
  30 Event_chord_iterator::Event_chord_iterator ()
  31 {
  32 }
  33
  34 void
  35 Event_chord_iterator::construct_children ()
  36 {
  37   Simple_music_iterator::construct_children ();
  38   descend_to_bottom_context ();
  39 }
  40
  41 void
  42 Event_chord_iterator::process (Moment m)
  43 {
  44   if (last_processed_mom_ < Moment (0))
  45     {
  46       for (SCM s = get_music ()->get_property ("elements");
  47            scm_is_pair (s); s = scm_cdr (s))
  48         {
  49           Music *mus = unsmob_music (scm_car (s));
  50           report_event (mus);
  51         }
  52       for (SCM s = get_music ()->get_property ("events");
  53            scm_is_pair (s); s = scm_cdr (s))
  54         {
  55           Stream_event *ev = unsmob_stream_event (scm_car (s));
  56           get_outlet ()->event_source ()->broadcast (ev);
  57         }
  58     }
  59   Simple_music_iterator::process (m);
  60 }
  61
  62 IMPLEMENT_CTOR_CALLBACK (Event_chord_iterator);