Issue 5167/6: Changes: show \markup xxx = ... \etc assignments

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

diff --git a/lily/collision-engraver.cc b/lily/collision-engraver.cc
index 7bff5a8cd4a9d0cebbfddb04d17ba89b7efb9c82..15ee2d29239711fd3eda3b02413626078e2b52ab 100644 (file)
--- a/lily/collision-engraver.cc
+++ b/lily/collision-engraver.cc
@@ -1,9 +1,20 @@
 /*
-  collision-engraver.cc -- implement Collision_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1997--2007 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
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "engraver.hh"
@@ -12,13 +23,15 @@
 #include "axis-group-interface.hh"
 #include "item.hh"
 
+#include "translator.icc"
+
 class Collision_engraver : public Engraver
 {
   Item *col_;
-  vector<Grob*> note_columns_;
+  vector<Grob *> note_columns_;
 
 protected:
-  DECLARE_ACKNOWLEDGER (note_column);
+  void acknowledge_note_column (Grob_info);
   void process_acknowledged ();
   void stop_translation_timestep ();
 public:
@@ -40,15 +53,15 @@ Collision_engraver::process_acknowledged ()
 void
 Collision_engraver::acknowledge_note_column (Grob_info i)
 {
-  if (Note_column::has_interface (i.grob ()))
+  if (has_interface<Note_column> (i.grob ()))
     {
       /*should check Y axis? */
       if (Note_column::has_rests (i.grob ()) || i.grob ()->get_parent (X_AXIS))
-       return;
+        return;
 
       if (to_boolean (i.grob ()->get_property ("ignore-collision")))
-       return;
-      
+        return;
+
       note_columns_.push_back (i.grob ());
     }
 }
@@ -60,17 +73,30 @@ Collision_engraver::stop_translation_timestep ()
   note_columns_.clear ();
 }
 
-Collision_engraver::Collision_engraver ()
+Collision_engraver::Collision_engraver (Context *c)
+  : Engraver (c)
 {
   col_ = 0;
 }
 
-#include "translator.icc"
 
-ADD_ACKNOWLEDGER (Collision_engraver, note_column);
+void
+Collision_engraver::boot ()
+{
+  ADD_ACKNOWLEDGER (Collision_engraver, note_column);
+}
 
 ADD_TRANSLATOR (Collision_engraver,
-               /* doc */ "Collect NoteColumns, and as soon as there are two or more, put them in a NoteCollision object.",
-               /* create */ "NoteCollision",
-               /* read */ "",
-               /* write */ "");
+                /* doc */
+                "Collect @code{NoteColumns}, and as soon as there are two or"
+                " more, put them in a @code{NoteCollision} object.",
+
+                /* create */
+                "NoteCollision ",
+
+                /* read */
+                "",
+
+                /* write */
+                ""
+               );