Doc-es: various updates.

[lilypond.git] / lily / double-percent-repeat-engraver.cc

diff --git a/lily/double-percent-repeat-engraver.cc b/lily/double-percent-repeat-engraver.cc
index cd455e008eeb8bcb1dcd3f9db5b8db834d62577b..ec927c9eee5e733b117cf805dbb6c9b774dc4c77 100644 (file)
--- a/lily/double-percent-repeat-engraver.cc
+++ b/lily/double-percent-repeat-engraver.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2011--2012 Neil Puttock <n.puttock@gmail.com>
+  Copyright (C) 2011--2015 Neil Puttock <n.puttock@gmail.com>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -38,17 +38,17 @@ protected:
   // moment (global time) where percent started
   Moment start_mom_;
 
-  DECLARE_TRANSLATOR_LISTENER (double_percent);
+  void listen_double_percent (Stream_event *);
 
   void process_music ();
 };
 
-Double_percent_repeat_engraver::Double_percent_repeat_engraver ()
+Double_percent_repeat_engraver::Double_percent_repeat_engraver (Context *c)
+  : Engraver (c)
 {
   percent_event_ = 0;
 }
 
-IMPLEMENT_TRANSLATOR_LISTENER (Double_percent_repeat_engraver, double_percent);
 void
 Double_percent_repeat_engraver::listen_double_percent (Stream_event *ev)
 {
@@ -73,7 +73,7 @@ Double_percent_repeat_engraver::process_music ()
                                         percent_event_->self_scm ());
 
       SCM count = percent_event_->get_property ("repeat-count");
-      if (count != SCM_EOL && to_boolean (get_property ("countPercentRepeats"))
+      if (!scm_is_null (count) && to_boolean (get_property ("countPercentRepeats"))
           && check_repeat_count_visibility (context (), count))
         {
           Item *double_percent_counter
@@ -95,6 +95,12 @@ Double_percent_repeat_engraver::process_music ()
     }
 }
 
+void
+Double_percent_repeat_engraver::boot ()
+{
+  ADD_LISTENER (Double_percent_repeat_engraver, double_percent);
+}
+
 ADD_TRANSLATOR (Double_percent_repeat_engraver,
                 /* doc */
                 "Make double measure repeats.",