Issue 4997/2: Use Preinit class in Scheme_engraver

[lilypond.git] / lily / grob-pq-engraver.cc

diff --git a/lily/grob-pq-engraver.cc b/lily/grob-pq-engraver.cc
index d3cd356a0444317df1c329205dcb0261aa448da0..25392a43556d8746b6742cded90cb9e30da521a9 100644 (file)
--- a/lily/grob-pq-engraver.cc
+++ b/lily/grob-pq-engraver.cc
@@ -24,8 +24,6 @@
 
 #include "translator.icc"
 
-using std::vector;
-
 struct Grob_pq_entry
 {
   Grob *grob_;
@@ -44,7 +42,7 @@ public:
   TRANSLATOR_DECLARATIONS (Grob_pq_engraver);
 protected:
   virtual void initialize ();
-  DECLARE_ACKNOWLEDGER (grob);
+  void acknowledge_grob (Grob_info);
   void start_translation_timestep ();
   void stop_translation_timestep ();
   void process_acknowledged ();
@@ -150,7 +148,12 @@ Grob_pq_engraver::start_translation_timestep ()
     context ()->set_property ("busyGrobs", busy);
 }
 
-ADD_ACKNOWLEDGER (Grob_pq_engraver, grob);
+void
+Grob_pq_engraver::boot ()
+{
+  ADD_ACKNOWLEDGER (Grob_pq_engraver, grob);
+}
+
 ADD_TRANSLATOR (Grob_pq_engraver,
                 /* doc */
                 "Administrate when certain grobs (e.g., note heads) stop"