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

[lilypond.git] / lily / tempo-performer.cc

diff --git a/lily/tempo-performer.cc b/lily/tempo-performer.cc
index 34864274c48c044df84e2667939e0ece00270ec1..967ae60e7067b7e6b803d85a81479690331f898c 100644 (file)
--- a/lily/tempo-performer.cc
+++ b/lily/tempo-performer.cc
@@ -1,9 +1,20 @@
 /*
-  tempo-performer.cc -- implement Tempo_performer
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2015 Jan Nieuwenhuizen <janneke@gnu.org>
 
-  (c) 1997--2006 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
+  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 "performer.hh"
@@ -22,12 +33,12 @@ public:
 
 protected:
 
-  virtual void derived_mark () const; 
+  virtual void derived_mark () const;
   void stop_translation_timestep ();
   void process_music ();
 private:
   Audio_tempo *audio_;
-  SCM last_tempo_; 
+  SCM last_tempo_;
 };
 
 void
@@ -36,7 +47,8 @@ Tempo_performer::derived_mark () const
   scm_gc_mark (last_tempo_);
 }
 
-Tempo_performer::Tempo_performer ()
+Tempo_performer::Tempo_performer (Context *c)
+  : Performer (c)
 {
   last_tempo_ = SCM_EOL;
   audio_ = 0;
@@ -50,10 +62,10 @@ void
 Tempo_performer::process_music ()
 {
   SCM w = get_property ("tempoWholesPerMinute");
-  if (unsmob_moment (w)
+  if (unsmob<Moment> (w)
       && !ly_is_equal (w, last_tempo_))
     {
-      Rational r = unsmob_moment (w)->main_part_;
+      Rational r = unsmob<Moment> (w)->main_part_;
       r *= Rational (4, 1);
 
       audio_ = new Audio_tempo (r.to_int ());
@@ -74,6 +86,22 @@ Tempo_performer::stop_translation_timestep ()
     }
 }
 
-ADD_TRANSLATOR (Tempo_performer, "", "",
-               "tempoWholesPerMinute ",
-               "");
+void
+Tempo_performer::boot ()
+{
+
+}
+
+ADD_TRANSLATOR (Tempo_performer,
+                /* doc */
+                "",
+
+                /* create */
+                "",
+
+                /* read */
+                "tempoWholesPerMinute ",
+
+                /* write */
+                ""
+               );