lily/include/lyric-combine-music-iterator.hh

   1
   2 /*
   3   lyric-combine-music-iterator.hh -- declare Lyric_combine_music_iterator
   4
   5   source file of the GNU LilyPond music typesetter
   6
   7   (c) 1999--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   8
   9  */
  10
  11 #ifndef LYRIC_COMBINE_MUSIC_ITERATOR_HH
  12 #define LYRIC_COMBINE_MUSIC_ITERATOR_HH
  13
  14 #include "music-iterator.hh"
  15
  16 class Lyric_combine_music_iterator : public Music_iterator
  17 {
  18 public:
  19   VIRTUAL_COPY_CONS (Music_iterator);
  20   Lyric_combine_music_iterator ();
  21   Lyric_combine_music_iterator (Lyric_combine_music_iterator const&src);
  22   DECLARE_SCHEME_CALLBACK(constructor, ());
  23 protected:
  24   virtual void construct_children ();
  25   virtual Moment pending_moment () const;
  26   virtual void do_quit();
  27   virtual void process (Moment);
  28   virtual Music_iterator *try_music_in_children (Music *) const;
  29
  30   virtual bool ok () const;
  31   virtual void derived_mark () const;
  32 private:
  33   bool get_busy_status ()const ;
  34   Music_iterator * music_iter_;
  35   Music_iterator * lyric_iter_;
  36 };
  37 #endif /* LYRIC_COMBINE_MUSIC_ITERATOR_HH */
  38