lily/event-chord-iterator.cc

   1 /*
   2   event-chord-iterator.cc -- implement Event_chord_iterator
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
   7 */
   8
   9 #include "event-chord-iterator.hh"
  10
  11 #include "context.hh"
  12 #include "dispatcher.hh"
  13 #include "duration.hh"
  14 #include "input.hh"
  15 #include "international.hh"
  16 #include "music.hh"
  17 #include "warn.hh"
  18
  19 Event_chord_iterator::Event_chord_iterator ()
  20 {
  21 }
  22
  23 void
  24 Event_chord_iterator::construct_children ()
  25 {
  26   Simple_music_iterator::construct_children ();
  27   descend_to_bottom_context ();
  28 }
  29
  30 void
  31 Event_chord_iterator::process (Moment m)
  32 {
  33   if (last_processed_mom_ < Moment (0))
  34     {
  35       for (SCM s = get_music ()->get_property ("elements");
  36            scm_is_pair (s); s = scm_cdr (s))
  37         {
  38           Music *mus = unsmob_music (scm_car (s));
  39           report_event (mus);
  40         }
  41       for (SCM s = get_music ()->get_property ("events");
  42            scm_is_pair (s); s = scm_cdr (s))
  43         {
  44           Stream_event *ev = unsmob_stream_event (scm_car (s));
  45           get_outlet ()->event_source ()->broadcast (ev);
  46         }
  47     }
  48   Simple_music_iterator::process (m);
  49 }
  50
  51 IMPLEMENT_CTOR_CALLBACK (Event_chord_iterator);