Moving files into input/manual/

[lilypond.git] / lily / spacing-engraver.cc

diff --git a/lily/spacing-engraver.cc b/lily/spacing-engraver.cc
index a77fb9b593447be82b633abe8063144950cb5fa0..b3ca5753932cb2253c2cc3e3d385bc8d18c61940 100644 (file)
--- a/lily/spacing-engraver.cc
+++ b/lily/spacing-engraver.cc
@@ -6,14 +6,13 @@
   (c) 1999--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
+#include "paper-column.hh"
 #include "engraver.hh"
+#include "pqueue.hh"
 #include "note-spacing.hh"
-#include "paper-column.hh"
+#include "staff-spacing.hh"
 #include "pointer-group-interface.hh"
-#include "pqueue.hh"
 #include "spanner.hh"
-#include "staff-spacing.hh"
-#include "stream-event.hh"
 
 #include "translator.icc"
 
@@ -59,7 +58,7 @@ class Spacing_engraver : public Engraver
   vector<Rhythmic_tuple> stopped_durations_;
   Moment now_;
   Spanner *spacing_;
-  Stream_event *start_section_;
+  Music *start_section_;
   
   TRANSLATOR_DECLARATIONS (Spacing_engraver);
 
@@ -67,13 +66,13 @@ protected:
   DECLARE_ACKNOWLEDGER (staff_spacing);
   DECLARE_ACKNOWLEDGER (note_spacing);
   DECLARE_ACKNOWLEDGER (rhythmic_head);
-  DECLARE_TRANSLATOR_LISTENER (spacing_section);
 
   void start_translation_timestep ();
   void stop_translation_timestep ();
   void process_music ();
   
   virtual void finalize ();
+  virtual bool try_music (Music *m);
 
   void start_spanner ();
   void stop_spanner ();
@@ -85,11 +84,11 @@ Spacing_engraver::Spacing_engraver ()
   start_section_ = 0;
 }
 
-IMPLEMENT_TRANSLATOR_LISTENER (Spacing_engraver, spacing_section);
-void
-Spacing_engraver::listen_spacing_section (Stream_event *ev)
+bool
+Spacing_engraver::try_music (Music *m)
 {
-  start_section_ = ev;
+  start_section_ = m;
+  return true;  
 }
 
 void
@@ -107,7 +106,6 @@ Spacing_engraver::start_spanner ()
 {
   assert (!spacing_);
 
-
   spacing_ = make_spanner ("SpacingSpanner", SCM_EOL);
   spacing_->set_bound (LEFT,
                       unsmob_grob (get_property ("currentCommandColumn")));
@@ -155,10 +153,10 @@ Spacing_engraver::acknowledge_rhythmic_head (Grob_info i)
   */
   if (!now_.grace_part_)
     {
-      Stream_event *r = i.event_cause ();
-      if (r && r->in_event_class ("rhythmic-event"))
+      Music *r = i.music_cause ();
+      if (r && r->is_mus_type ("rhythmic-event"))
        {
-         Moment len = get_event_length (r);
+         Moment len = r->get_length ();
          Rhythmic_tuple t (i, now_mom () + len);
          now_durations_.push_back (t);
        }
@@ -171,14 +169,6 @@ Spacing_engraver::stop_translation_timestep ()
   Paper_column *musical_column
     = dynamic_cast<Paper_column *> (unsmob_grob (get_property ("currentMusicalColumn")));
 
-
-  if (!spacing_)
-    start_spanner ();
-
-  musical_column->set_object ("spacing", spacing_->self_scm ());
-  unsmob_grob (get_property ("currentCommandColumn"))
-    ->set_object ("spacing", spacing_->self_scm ());
-  
   SCM proportional = get_property ("proportionalNotationDuration");
   if (unsmob_moment (proportional))
     {
@@ -191,10 +181,10 @@ Spacing_engraver::stop_translation_timestep ()
   shortest_playing.set_infinite (1);
   for (vsize i = 0; i < playing_durations_.size (); i++)
     {
-      Stream_event *ev = playing_durations_[i].info_.event_cause ();
-      if (ev)
+      Music *mus = playing_durations_[i].info_.music_cause ();
+      if (mus)
        {
-         Moment m = get_event_length (ev);
+         Moment m = mus->get_length ();
          shortest_playing = min (shortest_playing, m);
        }
     }
@@ -203,7 +193,7 @@ Spacing_engraver::stop_translation_timestep ()
 
   for (vsize i = 0; i < now_durations_.size (); i++)
     {
-      Moment m = get_event_length (now_durations_[i].info_.event_cause ());
+      Moment m = now_durations_[i].info_.music_cause ()->get_length ();
       if (m.to_bool ())
        {
          starter = min (starter, m);
@@ -222,8 +212,6 @@ Spacing_engraver::stop_translation_timestep ()
   musical_column->set_property ("shortest-starter-duration", st);
 }
 
-
-
 void
 Spacing_engraver::start_translation_timestep ()
 {