X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fglissando-engraver.cc;h=66afed64034ed9ca01d54f9dc76bb0074d3b4971;hb=8bd6516dd00621b493cab85de02e28bae383ea58;hp=1219ac65735ad92dd79b3ce76eddc44641d9b6a3;hpb=31568c504806f35aac420a394c9eab07abd9faa7;p=lilypond.git

diff --git a/lily/glissando-engraver.cc b/lily/glissando-engraver.cc
index 1219ac6573..66afed6403 100644
--- a/lily/glissando-engraver.cc
+++ b/lily/glissando-engraver.cc
@@ -3,34 +3,36 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2000--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+  (c) 2000--2007 Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #include "engraver.hh"
+
 #include "international.hh"
 #include "rhythmic-head.hh"
 #include "spanner.hh"
+#include "stream-event.hh"
 #include "warn.hh"
+#include "item.hh"
+
+#include "translator.icc"
 
-/**
-   Create line-spanner grobs for glissandi lines that connect note
-   heads.
-*/
 class Glissando_engraver : public Engraver
 {
 public:
   TRANSLATOR_DECLARATIONS (Glissando_engraver);
 
 protected:
+  DECLARE_TRANSLATOR_LISTENER (glissando);
   DECLARE_ACKNOWLEDGER (rhythmic_head);
   virtual void finalize ();
+
   void stop_translation_timestep ();
-  virtual bool try_music (Music *);
   void process_music ();
 private:
   Spanner *line_;
   Spanner *last_line_;
-  Music *event_;
+  Stream_event *event_;
 };
 
 Glissando_engraver::Glissando_engraver ()
@@ -39,15 +41,11 @@ Glissando_engraver::Glissando_engraver ()
   event_ = 0;
 }
 
-bool
-Glissando_engraver::try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Glissando_engraver, glissando);
+void
+Glissando_engraver::listen_glissando (Stream_event *ev)
 {
-  if (!event_)
-    {
-      event_ = m;
-      return true;
-    }
-  return false;
+  ASSIGN_EVENT_ONCE (event_, ev);
 }
 
 void
@@ -65,14 +63,19 @@ Glissando_engraver::acknowledge_rhythmic_head (Grob_info info)
     line_->set_bound (LEFT, g);
 
   if (last_line_)
-    last_line_->set_bound (RIGHT, g);
+    {
+      last_line_->set_bound (RIGHT, g);
+      announce_end_grob (last_line_, g->self_scm ());
+    }      
 }
 
 void
 Glissando_engraver::stop_translation_timestep ()
 {
   if (last_line_ && last_line_->get_bound (RIGHT))
-    last_line_ = 0;
+    {
+      last_line_ = 0;
+    }
   if (line_)
     {
       if (last_line_)
@@ -100,12 +103,17 @@ Glissando_engraver::finalize ()
     }
 }
 
-#include "translator.icc"
-
 ADD_ACKNOWLEDGER (Glissando_engraver, rhythmic_head);
 ADD_TRANSLATOR (Glissando_engraver,
-		/* doc */ "Engrave a glissandi",
-		/* create */ "Glissando",
-		/* accept */ "glissando-event",
-		/* read */ "followVoice",
-		/* write */ "");
+		/* doc */
+		"Engrave glissandi.",
+
+		/* create */
+		"Glissando ",
+
+		/* read */
+		"",
+
+		/* write */
+		""
+		);