X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Frest-engraver.cc;h=009d16f768d0db136ee71c409100cd541ec846cd;hb=131f941d10d6c6d587ec1f41f735fd7ba07e7ea3;hp=55e1c8bde05014877b66b0139bab40f6c3db63fd;hpb=94375d04f45b415ad705fd444fdb344416f116d9;p=lilypond.git

diff --git a/lily/rest-engraver.cc b/lily/rest-engraver.cc
index 55e1c8bde0..009d16f768 100644
--- a/lily/rest-engraver.cc
+++ b/lily/rest-engraver.cc
@@ -1,112 +1,111 @@
 /*
-  rest-grav.cc -- implement Rest_engraver
+  rest-engraver.cc -- implement Rest_engraver
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
+
 #include "item.hh"
 #include "staff-symbol-referencer.hh"
-#include "musical-request.hh"
 #include "dots.hh"
 #include "rhythmic-head.hh"
 #include "engraver.hh"
 
-
 class Rest_engraver : public Engraver
 {
-  Rest_req *rest_req_l_;
-  Item * dot_p_;
-  Grob* rest_p_;
+  Music *rest_req_;
+  Item *dot_;
+  Grob *rest_;
 protected:
   virtual bool try_music (Music *);
   virtual void stop_translation_timestep ();
   virtual void start_translation_timestep ();
-  virtual void create_grobs ();
+  virtual void process_music ();
 
 public:
-  
-  TRANSLATOR_DECLARATIONS(Rest_engraver);
+  TRANSLATOR_DECLARATIONS (Rest_engraver);
 };
 
-
 /*
   Should merge with Note_head_engraver
- */
+*/
 Rest_engraver::Rest_engraver ()
 {
-  rest_req_l_ =0;
-  rest_p_ =0;
-  dot_p_ =0;
+  rest_req_ = 0;
+  rest_ = 0;
+  dot_ = 0;
 }
 
 void
 Rest_engraver::start_translation_timestep ()
 {
-  rest_req_l_ =0;
+  rest_req_ = 0;
 }
 
 void
 Rest_engraver::stop_translation_timestep ()
 {
-  if (rest_p_)
-    {
-      typeset_grob (rest_p_);
-      rest_p_ =0;
-    }
-  if (dot_p_)
-    {
-      typeset_grob (dot_p_);
-      dot_p_ =0;
-    }    
+  rest_ = 0;
+  dot_ = 0;
 }
 
 void
-Rest_engraver::create_grobs ()
+Rest_engraver::process_music ()
 {
-  if (rest_req_l_ && !rest_p_) 
+  if (rest_req_ && !rest_)
     {
-      rest_p_ = new Item (get_property ("Rest"));
-      Rhythmic_head::set_interface (rest_p_);
-      Staff_symbol_referencer::set_interface (rest_p_);
-      
-      int durlog  = unsmob_duration (rest_req_l_->get_mus_property ("duration"))-> duration_log ();
-      
-      rest_p_->set_grob_property ("duration-log",
-				 gh_int2scm (durlog));
-
-      int dots =unsmob_duration (rest_req_l_->get_mus_property ("duration"))->dot_count ();
-      
+      rest_ = make_item ("Rest", rest_req_->self_scm ());
+
+      int durlog = unsmob_duration (rest_req_->get_property ("duration"))->duration_log ();
+
+      rest_->set_property ("duration-log",
+			   scm_int2num (durlog));
+
+      int dots = unsmob_duration (rest_req_->get_property ("duration"))->dot_count ();
+
       if (dots)
 	{
-	  dot_p_ = new Item (get_property ("Dots"));
+	  dot_ = make_item ("Dots", SCM_EOL);
 
-	  Rhythmic_head::set_dots (rest_p_, dot_p_);
-	  dot_p_->set_parent (rest_p_, Y_AXIS);
-	  dot_p_->set_grob_property ("dot-count", gh_int2scm (dots));
-	  announce_grob (dot_p_,0);
+	  Rhythmic_head::set_dots (rest_, dot_);
+	  dot_->set_parent (rest_, Y_AXIS);
+	  dot_->set_property ("dot-count", scm_int2num (dots));
 	}
 
-      announce_grob (rest_p_, rest_req_l_);
+      Pitch *p = unsmob_pitch (rest_req_->get_property ("pitch"));
+
+      /*
+	This is ridiculous -- rests don't have pitch, but we act as if
+	our nose is bleeding.
+      */
+      if (p)
+	{
+	  int pos = p->steps ();
+	  SCM c0 = get_property ("middleCPosition");
+	  if (scm_is_number (c0))
+	    pos += scm_to_int (c0);
+
+	  rest_->set_property ("staff-position", scm_int2num (pos));
+	}
     }
 }
 
 bool
 Rest_engraver::try_music (Music *m)
 {
-  if (Rest_req *r = dynamic_cast <Rest_req *> (m))
+  if (m->is_mus_type ("rest-event"))
     {
-      rest_req_l_ = r;
+      rest_req_ = m;
       return true;
-    }  
+    }
   return false;
 }
 
-
-
-ENTER_DESCRIPTION(Rest_engraver,
-/* descr */       "",
-/* creats*/       "Rest Dots",
-/* acks  */       "",
-/* reads */       "",
-/* write */       "");
+ADD_TRANSLATOR (Rest_engraver,
+		/* descr */ "",
+		/* creats*/ "Rest Dots",
+		/* accepts */ "rest-event",
+		/* acks  */ "",
+		/* reads */ "middleCPosition",
+		/* write */ "");