Doc-es: various updates.

[lilypond.git] / lily / note-head-line-engraver.cc

diff --git a/lily/note-head-line-engraver.cc b/lily/note-head-line-engraver.cc
index ba0c65d71d5def3f97a4c4c79561270e2f49259c..f2d3ad8684346d826fc830c9462767254c8b13f9 100644 (file)
--- a/lily/note-head-line-engraver.cc
+++ b/lily/note-head-line-engraver.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2000--2014 Jan Nieuwenhuizen <janneke@gnu.org>
+  Copyright (C) 2000--2015 Jan Nieuwenhuizen <janneke@gnu.org>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -39,7 +39,7 @@ public:
   TRANSLATOR_DECLARATIONS (Note_head_line_engraver);
 
 protected:
-  DECLARE_ACKNOWLEDGER (rhythmic_head);
+  void acknowledge_rhythmic_head (Grob_info);
   void process_acknowledged ();
   void stop_translation_timestep ();
 
@@ -51,7 +51,8 @@ private:
   Grob *last_head_;
 };
 
-Note_head_line_engraver::Note_head_line_engraver ()
+Note_head_line_engraver::Note_head_line_engraver (Context *c)
+  : Engraver (c)
 {
   line_ = 0;
   follow_ = false;
@@ -64,13 +65,9 @@ void
 Note_head_line_engraver::acknowledge_rhythmic_head (Grob_info info)
 {
   head_ = info.grob ();
-  Context *tr = context ();
-
-  while (tr && !tr->is_alias (ly_symbol2scm ("Staff")))
-    tr = tr->get_parent_context ();
-
+  Context *tr = find_context_above (context (), ly_symbol2scm ("Staff"));
   if (tr
-      && tr->is_alias (ly_symbol2scm ("Staff")) && tr != last_staff_
+      && tr != last_staff_
       && to_boolean (get_property ("followVoice")))
     {
       if (last_head_)
@@ -110,15 +107,18 @@ Note_head_line_engraver::stop_translation_timestep ()
 
 #include "translator.icc"
 
-ADD_ACKNOWLEDGER (Note_head_line_engraver, rhythmic_head);
+void
+Note_head_line_engraver::boot ()
+{
+  ADD_ACKNOWLEDGER (Note_head_line_engraver, rhythmic_head);
+}
+
 ADD_TRANSLATOR (Note_head_line_engraver,
                 /* doc */
-                "Engrave a line between two note heads, for example a"
-                " glissando.  If @code{followVoice} is set, staff switches"
-                " also generate a line.",
+                "Engrave a line between two note heads in a staff"
+                " switch if @code{followVoice} is set.",
 
                 /* create */
-                "Glissando "
                 "VoiceFollower ",
 
                 /* read */