X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Frepeat-tie-engraver.cc;h=aebed3fdbab2db162214d758a497a80ab105a51e;hb=8e2eaf4959bec63a1128a444591a540f4f1e2937;hp=4bce2113105646b76ad3fb667c021a8c065928cd;hpb=9f3572d98bb948c9689cd1f75401a029451fa001;p=lilypond.git

diff --git a/lily/repeat-tie-engraver.cc b/lily/repeat-tie-engraver.cc
index 4bce211310..aebed3fdba 100644
--- a/lily/repeat-tie-engraver.cc
+++ b/lily/repeat-tie-engraver.cc
@@ -1,34 +1,46 @@
 /*
-  repeat-engraver.cc -- implement Repeat_tie_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2005--2006 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"
 #include "item.hh"
 #include "pointer-group-interface.hh"
+#include "stream-event.hh"
 
 #include "translator.icc"
 
 class Repeat_tie_engraver : public Engraver
 {
-  Music *event_;
+  Stream_event *event_;
   Grob *semi_tie_column_;
-  vector<Grob*> semi_ties_;
-  
-  void stop_translation_timestep (); 
-  DECLARE_ACKNOWLEDGER (note_head);
-  
-  virtual bool try_music (Music *);
+  vector<Grob *> semi_ties_;
+
+  void stop_translation_timestep ();
+  void acknowledge_note_head (Grob_info);
+  void listen_repeat_tie (Stream_event *);
+
 public:
   TRANSLATOR_DECLARATIONS (Repeat_tie_engraver);
 };
 
-Repeat_tie_engraver::Repeat_tie_engraver ()
+Repeat_tie_engraver::Repeat_tie_engraver (Context *c)
+  : Engraver (c)
 {
   event_ = 0;
   semi_tie_column_ = 0;
@@ -42,11 +54,10 @@ Repeat_tie_engraver::stop_translation_timestep ()
   semi_ties_.clear ();
 }
 
-bool
-Repeat_tie_engraver::try_music (Music *m)
+void
+Repeat_tie_engraver::listen_repeat_tie (Stream_event *ev)
 {
-  event_ = m;
-  return true;
+  ASSIGN_EVENT_ONCE (event_, ev);
 }
 
 void
@@ -57,28 +68,44 @@ Repeat_tie_engraver::acknowledge_note_head (Grob_info inf)
 
   if (!semi_tie_column_)
     {
-      semi_tie_column_ = make_item ("RepeatTieColumn", event_->self_scm ());
+      semi_tie_column_ = make_item ("RepeatTieColumn", SCM_EOL);
     }
-  
-  Grob *semi_tie = make_item ("RepeatTie", event_->self_scm ());
+
+  SCM cause = event_->self_scm ();
+  Grob *semi_tie = make_item ("RepeatTie", cause);
   semi_tie->set_object ("note-head", inf.grob ()->self_scm ());
-  
+
   Pointer_group_interface::add_grob (semi_tie_column_, ly_symbol2scm ("ties"),
-				     semi_tie);
+                                     semi_tie);
   semi_tie->set_parent (semi_tie_column_, Y_AXIS);
   semi_ties_.push_back (semi_tie);
+
+  if (is_direction (unsmob<Stream_event> (cause)->get_property ("direction")))
+    {
+      Direction d = to_dir (unsmob<Stream_event> (cause)->get_property ("direction"));
+      semi_tie->set_property ("direction", scm_from_int (d));
+    }
+
+}
+
+void
+Repeat_tie_engraver::boot ()
+{
+  ADD_LISTENER (Repeat_tie_engraver, repeat_tie);
+  ADD_ACKNOWLEDGER (Repeat_tie_engraver, note_head);
 }
 
+ADD_TRANSLATOR (Repeat_tie_engraver,
+                /* doc */
+                "Create repeat ties.",
 
+                /* create */
+                "RepeatTie "
+                "RepeatTieColumn ",
 
-ADD_ACKNOWLEDGER (Repeat_tie_engraver, note_head);
-ADD_TRANSLATOR (Repeat_tie_engraver, 
-		/* doc */ "Create Laissez vibrer items.",
-		
-		/* create */
-		"RepeatTie "
-		"RepeatTieColumn ",
+                /* read */
+                "",
 
-		/* accept */ "repeat-tie-event",
-		/* read */ "",
-		/* write */ "");
+                /* write */
+                ""
+               );