source file of the GNU LilyPond music typesetter
- (c) 1999--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "musical-request.hh"
+#include "event.hh"
#include "paper-column.hh"
#include "engraver.hh"
#include "pqueue.hh"
Array<Rhythmic_tuple> now_durations_;
Array<Rhythmic_tuple> stopped_durations_;
Moment now_;
- Spanner * spacing_p_;
+ Spanner * spacing_;
TRANSLATOR_DECLARATIONS(Spacing_engraver);
protected:
virtual void acknowledge_grob (Grob_info);
virtual void start_translation_timestep ();
virtual void stop_translation_timestep ();
- virtual void initialize ();
+ virtual void process_music ();
virtual void finalize ();
};
Spacing_engraver::Spacing_engraver ()
{
- spacing_p_ = 0;
+ spacing_ = 0;
}
void
-Spacing_engraver::initialize ()
+Spacing_engraver::process_music ()
{
- spacing_p_ =new Spanner (get_property ("SpacingSpanner"));
- spacing_p_->set_bound (LEFT, unsmob_grob (get_property ("currentCommandColumn")));
- announce_grob(spacing_p_, SCM_EOL);
+ if (!spacing_)
+ {
+ spacing_ = make_spanner ("SpacingSpanner");
+ spacing_->set_bound (LEFT, unsmob_grob (get_property ("currentCommandColumn")));
+ announce_grob(spacing_, SCM_EOL);
+ }
}
void
Spacing_engraver::finalize ()
{
- Grob * p = unsmob_grob (get_property ("currentCommandColumn"));
- spacing_p_->set_bound (RIGHT, p);
- typeset_grob (spacing_p_);
- spacing_p_ =0;
+ if (spacing_)
+ {
+ Grob * p = unsmob_grob (get_property ("currentCommandColumn"));
+
+ spacing_->set_bound (RIGHT, p);
+ typeset_grob (spacing_);
+ spacing_ =0;
+ }
}
void
Spacing_engraver::acknowledge_grob (Grob_info i)
{
- if (Note_spacing::has_interface (i.grob_l_) || Staff_spacing::has_interface (i.grob_l_))
+ if (Note_spacing::has_interface (i.grob_) || Staff_spacing::has_interface (i.grob_))
{
- Pointer_group_interface::add_grob (spacing_p_, ly_symbol2scm ("wishes"), i.grob_l_);
+ Pointer_group_interface::add_grob (spacing_, ly_symbol2scm ("wishes"), i.grob_);
}
- if (to_boolean (i.grob_l_->get_grob_property ("non-rhythmic")))
+ if (i.grob_->internal_has_interface (ly_symbol2scm ("lyric-syllable-interface")))
return;
/*
*/
if (!now_.grace_part_)
{
- if (Rhythmic_req * r = dynamic_cast<Rhythmic_req*> (i.music_cause ()))
+ Music *r = i.music_cause ();
+ if (r && r->is_mus_type ("rhythmic-event"))
{
- Moment len = r->length_mom ();
+ Moment len = r->get_length ();
Rhythmic_tuple t (i, now_mom () + len);
now_durations_.push (t);
}
shortest_playing.set_infinite (1);
for (int i=0; i < playing_durations_.size (); i++)
{
- Moment m = (playing_durations_[i].info_.music_cause ())->length_mom ();
- shortest_playing = shortest_playing <? m;
+ Music * mus = playing_durations_[i].info_.music_cause ();
+ if (mus)
+ {
+ Moment m = mus->get_length ();
+ shortest_playing = shortest_playing <? m;
+ }
}
-
Moment starter;
starter.set_infinite (1);
for (int i=0; i < now_durations_.size (); i++)
{
- Moment m = now_durations_[i].info_.music_cause ()->length_mom ();
+ Moment m = now_durations_[i].info_.music_cause ()->get_length ();
if (m.to_bool ())
{
starter = starter <? m;
playing_durations_.insert (now_durations_[i]);
+
}
}
now_durations_.clear ();
ENTER_DESCRIPTION(Spacing_engraver,
/* descr */ "make a SpacingSpanner and do bookkeeping of shortest starting and playing notes ",
/* creats*/ "SpacingSpanner",
-/* acks */ "grob-interface",
+/* accepts */ "",
+/* acks */ "grob-interface",
/* reads */ "",
/* write */ "");