/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1997--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
protected:
void make_stem (Grob_info, bool);
- DECLARE_TRANSLATOR_LISTENER (tremolo);
- DECLARE_TRANSLATOR_LISTENER (tuplet_span);
- DECLARE_ACKNOWLEDGER (rhythmic_head);
+ void listen_tremolo (Stream_event *);
+ void listen_tuplet_span (Stream_event *);
+ void acknowledge_rhythmic_head (Grob_info);
void stop_translation_timestep ();
void finalize ();
void kill_unused_flags ();
};
-Stem_engraver::Stem_engraver ()
+Stem_engraver::Stem_engraver (Context *c)
+ : Engraver (c)
{
tremolo_ev_ = 0;
stem_ = 0;
for a note head is always <= 2.
*/
Stream_event *ev = gi.event_cause ();
- Duration *dur = Duration::unsmob (ev->get_property ("duration"));
+ Duration *dur = unsmob<Duration> (ev->get_property ("duration"));
int tremolo_flags = intlog2 (requested_type) - 2
- (dur->duration_log () > 2 ? dur->duration_log () - 2 : 0);
Stream_event *cause = gi.event_cause ();
if (!cause)
return;
- Duration *d = Duration::unsmob (cause->get_property ("duration"));
+ Duration *d = unsmob<Duration> (cause->get_property ("duration"));
if (!d)
return;
Stem::add_head (stem_, gi.grob ());
if (Stem::is_normal_stem (stem_)
- && Stem::duration_log (stem_) > 2)
+ && Stem::duration_log (stem_) > 2
+ && !(unsmob<Grob> (stem_->get_object ("flag"))))
{
Item *flag = make_item ("Flag", stem_->self_scm ());
flag->set_parent (stem_, X_AXIS);
Stem_engraver::kill_unused_flags ()
{
for (vsize i = 0; i < maybe_flags_.size (); i++)
- if (Grob::unsmob (maybe_flags_[i]->get_parent (X_AXIS)->get_object ("beam")))
+ if (unsmob<Grob> (maybe_flags_[i]->get_parent (X_AXIS)->get_object ("beam")))
maybe_flags_[i]->suicide ();
}
tremolo_ev_ = 0;
}
-IMPLEMENT_TRANSLATOR_LISTENER (Stem_engraver, tuplet_span);
void
Stem_engraver::listen_tuplet_span (Stream_event *ev)
{
}
}
-IMPLEMENT_TRANSLATOR_LISTENER (Stem_engraver, tremolo);
void
Stem_engraver::listen_tremolo (Stream_event *ev)
{
ASSIGN_EVENT_ONCE (tremolo_ev_, ev);
}
-ADD_ACKNOWLEDGER (Stem_engraver, rhythmic_head);
+
+void
+Stem_engraver::boot ()
+{
+ ADD_LISTENER (Stem_engraver, tuplet_span);
+ ADD_LISTENER (Stem_engraver, tremolo);
+ ADD_ACKNOWLEDGER (Stem_engraver, rhythmic_head);
+}
ADD_TRANSLATOR (Stem_engraver,
/* doc */
- "Create stems and single-stem tremolos. It also works"
+ "Create stems, flags and single-stem tremolos. It also works"
" together with the beam engraver for overriding beaming.",
/* create */
+ "Flag "
"Stem "
+ "StemStub "
"StemTremolo ",
/* read */