*** empty log message ***

[lilypond.git] / lily / rhythmic-column-engraver.cc

diff --git a/lily/rhythmic-column-engraver.cc b/lily/rhythmic-column-engraver.cc
index 7099ecae8b804247a947184e2c19892145f2087b..f095ef8e1e069d176fa32f54db56b3385a7b37c1 100644 (file)
--- a/lily/rhythmic-column-engraver.cc
+++ b/lily/rhythmic-column-engraver.cc
@@ -1,24 +1,18 @@
 /*
-  rhythmic-column-grav.cc -- implement Rhythmic_column_engraver
+  rhythmic-column-engraver.cc -- implement Rhythmic_column_engraver
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
-
-#include "slur.hh"
 #include "engraver.hh"
 #include "rhythmic-head.hh"
 #include "stem.hh"
 #include "note-column.hh"
 #include "dot-column.hh"
-#include "musical-request.hh"
-#include "item.hh"
 #include "group-interface.hh"
 
-
-
 /*
   this engraver  glues together stems, rests and note heads into a NoteColumn
   grob.
@@ -55,25 +49,24 @@ class Rhythmic_column_engraver :public Engraver
   Grob * last_spacing_;
   Grob * spacing_;
   
-  TRANSLATOR_DECLARATIONS(Rhythmic_column_engraver);
+  TRANSLATOR_DECLARATIONS (Rhythmic_column_engraver);
 protected:
 
   virtual void acknowledge_grob (Grob_info);
   virtual void process_acknowledged_grobs ();
   virtual void stop_translation_timestep ();
-  virtual void start_translation_timestep ();
 };
 
 
 
 Rhythmic_column_engraver::Rhythmic_column_engraver ()
 {
-  spacing_ =0 ;
+  spacing_ = 0 ;
   last_spacing_ = 0;
   
-  stem_ =0;
-  note_column_=0;
-  dotcol_ =0;
+  stem_ = 0;
+  note_column_ = 0;
+  dotcol_ = 0;
 }
 
 
@@ -84,24 +77,24 @@ Rhythmic_column_engraver::process_acknowledged_grobs ()
     {
       if (!note_column_)
        {
-         note_column_ = new Item (get_property ("NoteColumn"));
-         announce_grob(note_column_, SCM_EOL);
+         note_column_ = make_item ("NoteColumn", rheads_[0]->self_scm ());
 
+         spacing_ = make_item ("NoteSpacing", SCM_EOL);
+         spacing_->set_property ("left-items", scm_cons (note_column_->self_scm (), SCM_EOL));
 
-         spacing_ = new Item (get_property ("NoteSpacing"));
-         spacing_->set_grob_property ("left-items", gh_cons (note_column_->self_scm (), SCM_EOL));
-         announce_grob(spacing_, SCM_EOL);
 
-         if (last_spacing_)
-           {
-            Pointer_group_interface::add_grob (last_spacing_,
-                                               ly_symbol2scm ("right-items" ),
-                                               note_column_);
-           }
+         
+
+         if (last_spacing_)
+           {
+             Pointer_group_interface::add_grob (last_spacing_,
+                                                ly_symbol2scm ("right-items" ),
+                                                note_column_);
+           }
 
        }
 
-      for (int i=0; i < rheads_.size (); i++)
+      for (int i = 0; i < rheads_.size (); i++)
        {
          if (!rheads_[i]->get_parent (X_AXIS))
            Note_column::add_head (note_column_, rheads_[i]);
@@ -151,32 +144,24 @@ Rhythmic_column_engraver::acknowledge_grob (Grob_info i)
 void
 Rhythmic_column_engraver::stop_translation_timestep ()
 {
-  if (note_column_) 
-    {
-      typeset_grob (note_column_);
-      note_column_ =0;
-    }
+      note_column_ = 0;
 
   if (spacing_)
     {
-      typeset_grob (spacing_);
       last_spacing_ = spacing_;
-      spacing_ =0;
+      spacing_ = 0;
     }
-}
-
-void
-Rhythmic_column_engraver::start_translation_timestep ()
-{
-  dotcol_ =0;
-  stem_ =0;
+  
+  dotcol_ = 0;
+  stem_ = 0;
 }
 
 
 
-ENTER_DESCRIPTION(Rhythmic_column_engraver,
+ADD_TRANSLATOR (Rhythmic_column_engraver,
 /* descr */       "Generates NoteColumn, an objects that groups stems, noteheads and rests.",
 /* creats*/       "NoteColumn NoteSpacing",
-/* acks  */       "stem-interface rhythmic-head-interface dot-column-interface",
+/* accepts */     "",
+/* acks  */      "stem-interface rhythmic-head-interface dot-column-interface",
 /* reads */       "",
 /* write */       "");