Run `make grand-replace'.

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

diff --git a/lily/extender-engraver.cc b/lily/extender-engraver.cc
index 5dd6776de5c11f2bda62007d1769203dc313741e..af1ae8503e7eedaf397c702320004189ca10a67f 100644 (file)
--- a/lily/extender-engraver.cc
+++ b/lily/extender-engraver.cc
@@ -3,24 +3,29 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1999--2005 Glen Prideaux <glenprideaux@iname.com>,
-  Han-Wen Nienhuys <hanwen@cs.uu.nl>,
+  (c) 1999--2008 Glen Prideaux <glenprideaux@iname.com>,
+  Han-Wen Nienhuys <hanwen@xs4all.nl>,
   Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #include "context.hh"
 #include "engraver.hh"
-#include "pointer-group-interface.hh"
+#include "international.hh"
 #include "item.hh"
 #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_;
 
@@ -28,11 +33,13 @@ public:
   TRANSLATOR_DECLARATIONS (Extender_engraver);
 
 protected:
-  DECLARE_ACKNOWLEDGER(lyric_syllable);
+  DECLARE_TRANSLATOR_LISTENER (extender);
+  DECLARE_ACKNOWLEDGER (lyric_syllable);
+
   virtual void finalize ();
-  virtual bool try_music (Music *);
-  PRECOMPUTED_VIRTUAL void stop_translation_timestep ();
-  PRECOMPUTED_VIRTUAL void process_music ();
+
+  void stop_translation_timestep ();
+  void process_music ();
 };
 
 Extender_engraver::Extender_engraver ()
@@ -42,15 +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
@@ -97,7 +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_;
@@ -115,9 +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 ());
     }
 }
 
@@ -143,12 +153,17 @@ Extender_engraver::finalize ()
     }
 }
 
-#include "translator.icc"
-
-ADD_ACKNOWLEDGER(Extender_engraver,lyric_syllable);
+ADD_ACKNOWLEDGER (Extender_engraver, lyric_syllable);
 ADD_TRANSLATOR (Extender_engraver,
-               /* descr */ "Create lyric extenders",
-               /* creats*/ "LyricExtender",
-               /* accepts */ "extender-event",
-               /* reads */ "",
-               /* write */ "");
+               /* doc */
+               "Create lyric extenders.",
+
+               /* create */
+               "LyricExtender ",
+
+               /* read */
+               "extendersOverRests ",
+
+               /* write */
+               ""
+               );