Issue 4938 (1/3) Add Audio_item and Midi_item subclasses for control changes

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

diff --git a/lily/cluster-engraver.cc b/lily/cluster-engraver.cc
index c934fd0ba3f7749dbdbd6c9314d9d5ba57234ee1..0c84d1cb650019a32607e4744588715ea3b4d09e 100644 (file)
--- a/lily/cluster-engraver.cc
+++ b/lily/cluster-engraver.cc
@@ -29,15 +29,13 @@
 
 #include "translator.icc"
 
-using std::vector;
-
 class Cluster_spanner_engraver : public Engraver
 {
 
 protected:
   TRANSLATOR_DECLARATIONS (Cluster_spanner_engraver);
-  DECLARE_TRANSLATOR_LISTENER (cluster_note);
-  DECLARE_ACKNOWLEDGER (note_column);
+  void listen_cluster_note (Stream_event *);
+  void acknowledge_note_column (Grob_info);
   void stop_translation_timestep ();
   virtual void process_music ();
   virtual void finalize ();
@@ -83,7 +81,6 @@ Cluster_spanner_engraver::typeset_grobs ()
   beacon_ = 0;
 }
 
-IMPLEMENT_TRANSLATOR_LISTENER (Cluster_spanner_engraver, cluster_note);
 void
 Cluster_spanner_engraver::listen_cluster_note (Stream_event *ev)
 {
@@ -144,7 +141,13 @@ Cluster_spanner_engraver::acknowledge_note_column (Grob_info info)
     }
 }
 
-ADD_ACKNOWLEDGER (Cluster_spanner_engraver, note_column);
+void
+Cluster_spanner_engraver::boot ()
+{
+  ADD_LISTENER (Cluster_spanner_engraver, cluster_note);
+  ADD_ACKNOWLEDGER (Cluster_spanner_engraver, note_column);
+}
+
 ADD_TRANSLATOR (Cluster_spanner_engraver,
                 /* doc */
                 "Engrave a cluster using @code{Spanner} notation.",