source file of the GNU LilyPond music typesetter
- (c) 1999--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1999--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "musical-request.hh"
#include "paper-column.hh"
-
-#include "spacing-spanner.hh"
#include "engraver.hh"
#include "pqueue.hh"
+#include "note-spacing.hh"
+#include "staff-spacing.hh"
+#include "group-interface.hh"
+#include "spanner.hh"
struct Rhythmic_tuple
{
Array<Rhythmic_tuple> stopped_durations_;
Spanner * spacing_p_;
+
+ TRANSLATOR_DECLARATIONS(Spacing_engraver);
protected:
- VIRTUAL_COPY_CONS (Translator);
virtual void acknowledge_grob (Grob_info);
virtual void start_translation_timestep ();
virtual void stop_translation_timestep ();
virtual void initialize ();
virtual void finalize ();
-public:
- Spacing_engraver ();
};
inline int
Spacing_engraver::initialize ()
{
spacing_p_ =new Spanner (get_property ("SpacingSpanner"));
- Spacing_spanner::set_interface (spacing_p_);
spacing_p_->set_bound (LEFT, unsmob_grob (get_property ("currentCommandColumn")));
- announce_grob (spacing_p_, 0);
+ announce_grob(spacing_p_, SCM_EOL);
}
void
void
Spacing_engraver::acknowledge_grob (Grob_info i)
{
- if (to_boolean (i.elem_l_->get_grob_property ("non-rhythmic")))
+ if (Note_spacing::has_interface (i.grob_l_) || Staff_spacing::has_interface (i.grob_l_))
+ {
+ Pointer_group_interface::add_grob (spacing_p_, ly_symbol2scm ("wishes"), i.grob_l_);
+ }
+
+ if (to_boolean (i.grob_l_->get_grob_property ("non-rhythmic")))
return;
- if (Rhythmic_req * r = dynamic_cast<Rhythmic_req*> (i.req_l_))
+ if (Rhythmic_req * r = dynamic_cast<Rhythmic_req*> (i.music_cause ()))
{
Rhythmic_tuple t (i, now_mom () + r->length_mom ());
now_durations_.push (t);
shortest_playing.set_infinite (1);
for (int i=0; i < playing_durations_.size (); i++)
{
- Moment m = (playing_durations_[i].info_.req_l_)->length_mom ();
- if (m)
+ Moment m = (playing_durations_[i].info_.music_cause ())->length_mom ();
+ if (m.to_bool ())
{
shortest_playing = shortest_playing <? m;
}
}
- Moment starter, inf;
- inf.set_infinite (1);
- starter=inf;
+ Moment starter;
+ starter.set_infinite (1);
+
for (int i=0; i < now_durations_.size (); i++)
{
- Moment m = now_durations_[i].info_.req_l_->length_mom ();
- if (m)
- starter = starter <? m;
-
- playing_durations_.insert (now_durations_[i]);
+ Moment m = now_durations_[i].info_.music_cause ()->length_mom ();
+ if (m.to_bool ())
+ {
+ starter = starter <? m;
+ playing_durations_.insert (now_durations_[i]);
+ }
}
now_durations_.clear ();
Paper_column * sc
= dynamic_cast<Paper_column*> (unsmob_grob (get_property ("currentMusicalColumn")));
+ assert (starter.to_bool ());
SCM sh = shortest_playing.smobbed_copy ();
SCM st = starter.smobbed_copy ();
stopped_durations_.push (playing_durations_.get ());
}
-ADD_THIS_TRANSLATOR (Spacing_engraver);
+
+ENTER_DESCRIPTION(Spacing_engraver,
+/* descr */ "make a SpacingSpanner and do bookkeeping of shortest starting and playing notes ",
+/* creats*/ "SpacingSpanner",
+/* acks */ "grob-interface",
+/* reads */ "",
+/* write */ "");