Erik Sandberg <mandolaerik@gmail.com>
*/
+#include "math.h" // ceil
+
#include "beam.hh"
#include "engraver-group.hh"
#include "international.hh"
#include "item.hh"
-#include "math.h" // ceil
#include "misc.hh"
#include "repeated-music.hh"
#include "rhythmic-head.hh"
#include "spanner.hh"
#include "stem-tremolo.hh"
#include "stem.hh"
-#include "stream-event.hh"
#include "warn.hh"
#include "translator.icc"
{
TRANSLATOR_DECLARATIONS (Chord_tremolo_engraver);
protected:
- Stream_event *repeat_;
+ Music *repeat_;
int flags_;
// number of beams for short tremolos
Spanner *beam_;
protected:
virtual void finalize ();
+ virtual bool try_music (Music *);
void process_music ();
- DECLARE_TRANSLATOR_LISTENER (tremolo_span);
DECLARE_ACKNOWLEDGER (stem);
};
beam_dir_ = CENTER;
}
-IMPLEMENT_TRANSLATOR_LISTENER (Chord_tremolo_engraver, tremolo_span);
-void
-Chord_tremolo_engraver::listen_tremolo_span (Stream_event *ev)
+bool
+Chord_tremolo_engraver::try_music (Music *m)
{
- Direction span_dir = to_dir (ev->get_property ("span-direction"));
- if (span_dir == START)
+ if (m->is_mus_type ("tremolo-span-event"))
{
- if (ASSIGN_EVENT_ONCE (repeat_, ev))
+ Direction span_dir = to_dir (m->get_property ("span-direction"));
+ if (span_dir == START)
{
- int type = scm_to_int (ev->get_property ("tremolo-type"));
+ repeat_ = m;
+ int type = scm_to_int (m->get_property ("tremolo-type"));
/* e.g. 1 for type 8, 2 for type 16 */
flags_ = intlog2 (type) - 2;
- expected_beam_count_ = scm_to_int (ev->get_property ("expected-beam-count"));
+ expected_beam_count_ = scm_to_int (m->get_property ("expected-beam-count"));
beam_dir_ = RIGHT;
}
+ if (span_dir == STOP)
+ {
+ repeat_ = 0;
+ beam_ = 0;
+ expected_beam_count_ = 0;
+ beam_dir_ = CENTER;
+ }
+ return true;
}
- else if (span_dir == STOP)
- {
- if (!repeat_)
- ev->origin ()->warning (_ ("No tremolo to end"));
- repeat_ = 0;
- beam_ = 0;
- expected_beam_count_ = 0;
- beam_dir_ = CENTER;
- }
+ return false;
}
void
if (beam_dir_ == RIGHT)
beam_dir_ = LEFT;
- if (info.ultimate_event_cause ()->in_event_class ("rhythmic-event"))
+ if (info.ultimate_music_cause ()->is_mus_type ("rhythmic-event"))
Beam::add_stem (beam_, s);
else
{
string s = _ ("stem must have Rhythmic structure");
- if (info.event_cause ())
- info.event_cause ()->origin ()->warning (s);
+ if (info.music_cause ())
+ info.music_cause ()->origin ()->warning (s);
else
::warning (s);
}