Imported Upstream version 2.19.45

[lilypond.git] / lily / output-property-engraver.cc

diff --git a/lily/output-property-engraver.cc b/lily/output-property-engraver.cc
index 78901a21579230acf3330a469743cb288225eaa0..7a0fa2d3c3389484cb94f03c6f798f0a1e6b866c 100644 (file)
--- a/lily/output-property-engraver.cc
+++ b/lily/output-property-engraver.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2000--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 2000--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -31,13 +31,12 @@ class Output_property_engraver : public Engraver
 protected:
   vector<Stream_event*> props_;
   
-  DECLARE_ACKNOWLEDGER (grob);
-  DECLARE_TRANSLATOR_LISTENER (apply_output);
+  void acknowledge_grob (Grob_info);
+  void listen_apply_output (Stream_event *);
 
   void stop_translation_timestep ();
 };
 
-IMPLEMENT_TRANSLATOR_LISTENER (Output_property_engraver, apply_output);
 void
 Output_property_engraver::listen_apply_output (Stream_event *ev)
 {
@@ -56,6 +55,10 @@ Output_property_engraver::acknowledge_grob (Grob_info inf)
     {
       Stream_event *o = props_[i];
       Context *d = inf.context ();
+      SCM grob = o->get_property ("symbol");
+      if (scm_is_symbol (grob)
+          && ly_symbol2string (grob) != inf.grob ()->name ())
+        continue;
       SCM proc = o->get_property ("procedure");
       scm_call_3 (proc,
                  inf.grob ()->self_scm (),
@@ -74,7 +77,13 @@ Output_property_engraver::Output_property_engraver ()
 {
 }
 
-ADD_ACKNOWLEDGER (Output_property_engraver, grob);
+void
+Output_property_engraver::boot ()
+{
+  ADD_LISTENER (Output_property_engraver, apply_output);
+  ADD_ACKNOWLEDGER (Output_property_engraver, grob);
+}
+
 ADD_TRANSLATOR (Output_property_engraver,
                /* doc */
                "Apply a procedure to any grob acknowledged.",