source file of the GNU LilyPond music typesetter
- (c) 1996--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1996--2007 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "performer.hh"
#include "audio-item.hh"
#include "audio-column.hh"
#include "global-context.hh"
+#include "stream-event.hh"
#include "warn.hh"
-#include "music.hh"
+
+#include "translator.icc"
class Beam_performer : public Performer
{
TRANSLATOR_DECLARATIONS (Beam_performer);
protected:
- virtual bool try_music (Music *ev);
- virtual void start_translation_timestep ();
- virtual void process_music ();
+ void start_translation_timestep ();
+ void process_music ();
void set_melisma (bool);
+ DECLARE_TRANSLATOR_LISTENER (beam);
private:
- Music *start_ev_;
- Music *now_stop_ev_;
+ Stream_event *start_ev_;
+ Stream_event *now_stop_ev_;
bool beam_;
};
now_stop_ev_ = 0;
}
-bool
-Beam_performer::try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Beam_performer, beam);
+void
+Beam_performer::listen_beam (Stream_event *ev)
{
- if (m->is_mus_type ("beam-event"))
- {
- Direction d = to_dir (m->get_property ("span-direction"));
+ Direction d = to_dir (ev->get_property ("span-direction"));
- if (d == START)
- {
- start_ev_ = m;
- }
- else if (d == STOP)
- {
- now_stop_ev_ = m;
- }
- return true;
- }
- return false;
+ if (d == START)
+ start_ev_ = ev;
+ else if (d == STOP)
+ now_stop_ev_ = ev;
}
-ADD_TRANSLATOR (Beam_performer, "", "",
- "beam-event", "", "", "");
+ADD_TRANSLATOR (Beam_performer, "", "", "", "");