Doc-es: various updates.

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

diff --git a/lily/slur-performer.cc b/lily/slur-performer.cc
index b699058f21312d6bb6a08457330ad0e03024dc6f..6c8a433226bcf4691884ec5b976fde7365fb9218 100644 (file)
--- a/lily/slur-performer.cc
+++ b/lily/slur-performer.cc
@@ -1,17 +1,30 @@
 /*
-  slur-performer.cc -- implement Slur_performer
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1996--2015 Jan Nieuwenhuizen <janneke@gnu.org>
 
-  (c) 1996--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"
 #include "audio-item.hh"
 #include "audio-column.hh"
 #include "global-context.hh"
+#include "stream-event.hh"
 #include "warn.hh"
-#include "music.hh"
+
+#include "translator.icc"
 
 /*
   this is C&P from beam_performer.
@@ -23,17 +36,19 @@ public:
   TRANSLATOR_DECLARATIONS (Slur_performer);
 
 protected:
-  virtual bool try_music (Music *ev);
   void start_translation_timestep ();
   void process_music ();
   void set_melisma (bool);
+
+  void listen_slur (Stream_event *);
 private:
-  Music *start_ev_;
-  Music *now_stop_ev_;
+  Stream_event *start_ev_;
+  Stream_event *now_stop_ev_;
   bool slur_;
 };
 
-Slur_performer::Slur_performer ()
+Slur_performer::Slur_performer (Context *c)
+  : Performer (c)
 {
   slur_ = false;
   start_ev_ = 0;
@@ -69,26 +84,33 @@ Slur_performer::start_translation_timestep ()
   now_stop_ev_ = 0;
 }
 
-bool
-Slur_performer::try_music (Music *m)
+void
+Slur_performer::listen_slur (Stream_event *ev)
 {
-  if (m->is_mus_type ("slur-event"))
-    {
-      Direction d = to_dir (m->get_property ("span-direction"));
+  Direction d = to_dir (ev->get_property ("span-direction"));
 
-      if (d == START)
-       start_ev_ = m;
-      else if (d == STOP)
-       now_stop_ev_ = m;
-      return true;
-    }
-  return false;
+  if (d == START)
+    start_ev_ = ev;
+  else if (d == STOP)
+    now_stop_ev_ = ev;
 }
 
-#include "translator.icc"
+void
+Slur_performer::boot ()
+{
+  ADD_LISTENER (Slur_performer, slur);
+}
 
 ADD_TRANSLATOR (Slur_performer,
-               "", "",
-               "slur-event",
-               "", "");
+                /* doc */
+                "",
+
+                /* create */
+                "",
+
+                /* read */
+                "",
 
+                /* write */
+                ""
+               );