X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fbreathing-sign-engraver.cc;h=0850067b6946434328ad6975cbd9c8bce9f1eb9f;hb=5ea982187f9aebfe588225813be14c48020452f3;hp=d659b64a90b2a0af0ba77b43f0b23fecd47d9da8;hpb=9f3572d98bb948c9689cd1f75401a029451fa001;p=lilypond.git

diff --git a/lily/breathing-sign-engraver.cc b/lily/breathing-sign-engraver.cc
index d659b64a90..0850067b69 100644
--- a/lily/breathing-sign-engraver.cc
+++ b/lily/breathing-sign-engraver.cc
@@ -1,7 +1,7 @@
 /*
   breathing_sign-engraver.cc -- implement Breathing_sign_engraver
 
-  (c) 1999--2006 Michael Krause
+  (c) 1999--2008 Michael Krause
 
   written for the GNU LilyPond music typesetter
 
@@ -12,10 +12,12 @@
   . Spacing is not yet completely pretty
 */
 
-#include "staff-symbol-referencer.hh"
 #include "breathing-sign.hh"
-#include "engraver-group.hh"
+#include "engraver.hh"
 #include "item.hh"
+#include "stream-event.hh"
+
+#include "translator.icc"
 
 class Breathing_sign_engraver : public Engraver
 {
@@ -23,12 +25,12 @@ public:
   TRANSLATOR_DECLARATIONS (Breathing_sign_engraver);
 
 protected:
-  virtual bool try_music (Music *event);
-  void process_acknowledged ();
+  void process_music ();
   void stop_translation_timestep ();
 
+  DECLARE_TRANSLATOR_LISTENER (breathing);
 private:
-  Music *breathing_sign_event_;
+  Stream_event *breathing_sign_event_;
   Grob *breathing_sign_;
 };
 
@@ -38,20 +40,19 @@ Breathing_sign_engraver::Breathing_sign_engraver ()
   breathing_sign_event_ = 0;
 }
 
-bool
-Breathing_sign_engraver::try_music (Music *r)
+IMPLEMENT_TRANSLATOR_LISTENER (Breathing_sign_engraver, breathing);
+void
+Breathing_sign_engraver::listen_breathing (Stream_event *ev)
 {
-  breathing_sign_event_ = r;
-  return true;
+  ASSIGN_EVENT_ONCE (breathing_sign_event_, ev);
 }
 
 void
-Breathing_sign_engraver::process_acknowledged ()
+Breathing_sign_engraver::process_music ()
 {
-  if (breathing_sign_event_ && ! breathing_sign_)
+  if (breathing_sign_event_)
     {
       breathing_sign_ = make_item ("BreathingSign", breathing_sign_event_->self_scm ());
-      breathing_sign_event_ = 0;
     }
 }
 
@@ -62,11 +63,16 @@ Breathing_sign_engraver::stop_translation_timestep ()
   breathing_sign_event_ = 0;
 }
 
-#include "translator.icc"
-
 ADD_TRANSLATOR (Breathing_sign_engraver,
-		/* doc */ "",
-		/* create */ "BreathingSign",
-		/* accept */ "breathing-event",
-		/* read */ "",
-		/* write */ "");
+		/* doc */
+		"Create a breathing sign.",
+
+		/* create */
+		"BreathingSign ",
+
+		/* read */
+		"",
+
+		/* write */
+		""
+		);