X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fextender-engraver.cc;h=af1ae8503e7eedaf397c702320004189ca10a67f;hb=a6a4b3fc2009f17a1a48cca0c11bfd3f38645937;hp=a0799a7ff0d2f60eeb99780bdf17a644577258b1;hpb=b37e3f652677ae0298423db9fa0e552e5fce0c92;p=lilypond.git

diff --git a/lily/extender-engraver.cc b/lily/extender-engraver.cc
index a0799a7ff0..af1ae8503e 100644
--- a/lily/extender-engraver.cc
+++ b/lily/extender-engraver.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1999--2006 Glen Prideaux <glenprideaux@iname.com>,
+  (c) 1999--2008 Glen Prideaux <glenprideaux@iname.com>,
   Han-Wen Nienhuys <hanwen@xs4all.nl>,
   Jan Nieuwenhuizen <janneke@gnu.org>
 */
@@ -15,13 +15,17 @@
 #include "lyric-extender.hh"
 #include "note-head.hh"
 #include "pointer-group-interface.hh"
+#include "stream-event.hh"
 #include "warn.hh"
+#include "spanner.hh"
+
+#include "translator.icc"
 
 void completize_extender (Spanner *sp);
 
 class Extender_engraver : public Engraver
 {
-  Music *ev_;
+  Stream_event *ev_;
   Spanner *extender_;
   Spanner *pending_extender_;
 
@@ -29,9 +33,11 @@ public:
   TRANSLATOR_DECLARATIONS (Extender_engraver);
 
 protected:
+  DECLARE_TRANSLATOR_LISTENER (extender);
   DECLARE_ACKNOWLEDGER (lyric_syllable);
+
   virtual void finalize ();
-  virtual bool try_music (Music *);
+
   void stop_translation_timestep ();
   void process_music ();
 };
@@ -43,15 +49,11 @@ Extender_engraver::Extender_engraver ()
   ev_ = 0;
 }
 
-bool
-Extender_engraver::try_music (Music *r)
+IMPLEMENT_TRANSLATOR_LISTENER (Extender_engraver, extender);
+void
+Extender_engraver::listen_extender (Stream_event *ev)
 {
-  if (!ev_)
-    {
-      ev_ = r;
-      return true;
-    }
-  return false;
+  ASSIGN_EVENT_ONCE (ev_, ev);
 }
 
 void
@@ -98,7 +100,16 @@ Extender_engraver::stop_translation_timestep ()
 						 ly_symbol2scm ("heads"), h);
 	    }
 	}
-
+      else
+	{
+	  if (pending_extender_
+	      && !get_property ("extendersOverRests"))
+	    {
+	      completize_extender (pending_extender_);
+	      pending_extender_ = 0;
+	    }
+	  
+	}
       if (extender_)
 	{
 	  pending_extender_ = extender_;
@@ -116,7 +127,7 @@ completize_extender (Spanner *sp)
     {
       extract_item_set (sp, "heads", heads);
       if (heads.size ())
-	sp->set_bound (RIGHT, heads.top ());
+	sp->set_bound (RIGHT, heads.back ());
     }
 }
 
@@ -142,12 +153,17 @@ Extender_engraver::finalize ()
     }
 }
 
-#include "translator.icc"
-
 ADD_ACKNOWLEDGER (Extender_engraver, lyric_syllable);
 ADD_TRANSLATOR (Extender_engraver,
-		/* doc */ "Create lyric extenders",
-		/* create */ "LyricExtender",
-		/* accept */ "extender-event",
-		/* read */ "",
-		/* write */ "");
+		/* doc */
+		"Create lyric extenders.",
+
+		/* create */
+		"LyricExtender ",
+
+		/* read */
+		"extendersOverRests ",
+
+		/* write */
+		""
+		);