(parse_symbol_list): Bugfix.

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

diff --git a/lily/performer-group-performer.cc b/lily/performer-group-performer.cc
index a4bfbfa92582203cecb46222fd7ba10cfc07be3c..37715b538e431ee1558df1fd6a99eb062468d651 100644 (file)
--- a/lily/performer-group-performer.cc
+++ b/lily/performer-group-performer.cc
@@ -3,9 +3,9 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1996--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-               Jan Nieuwenhuizen <janneke@gnu.org>
- */
+  (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  Jan Nieuwenhuizen <janneke@gnu.org>
+*/
 
 #include "performer-group-performer.hh"
 
@@ -13,73 +13,88 @@
 #include "audio-element.hh"
 #include "warn.hh"
 
-ENTER_DESCRIPTION (Performer_group_performer,
-/* descr */       "",
-/* creats*/       "",
-/* accepts */     "",
-/* acks  */      "",
-/* reads */       "",
-/* write */       "");
-
-
+ADD_TRANSLATOR_GROUP (Performer_group_performer,
+                     /* doc */ "",
+                     /* create */ "",
+                     /* accept */ "",
+                     /* read */ "",
+                     /* write */ "");
 
 void
 Performer_group_performer::announce_element (Audio_element_info info)
 {
   announce_infos_.push (info);
-  Translator *t
+  Translator_group *t
     = context ()->get_parent_context ()->implementation ();
 
-  if (Performer_group_performer * eg = dynamic_cast<Performer_group_performer*> (t))
+  if (Performer_group_performer *eg = dynamic_cast<Performer_group_performer *> (t))
     eg->announce_element (info);
 }
 
 void
 Performer_group_performer::acknowledge_audio_elements ()
 {
-  for (int j =0; j < announce_infos_.size (); j++)
+  for (int j = 0; j < announce_infos_.size (); j++)
     {
       Audio_element_info info = announce_infos_[j];
 
       for (SCM p = get_simple_trans_list (); scm_is_pair (p); p = scm_cdr (p))
        {
-         Translator * t = unsmob_translator (scm_car (p));
-         Performer * eng = dynamic_cast<Performer*> (t);
-         if (eng && eng!= info.origin_trans_)
+         Translator *t = unsmob_translator (scm_car (p));
+         Performer *eng = dynamic_cast<Performer *> (t);
+         if (eng && eng != info.origin_trans_)
            eng->acknowledge_audio_element (info);
        }
     }
 }
 
+void
+performer_each (SCM list, Performer_method method)
+{
+  for (SCM p = list; scm_is_pair (p); p = scm_cdr (p))
+    {
+      Performer *e = dynamic_cast<Performer *> (unsmob_translator (scm_car (p)));
+      if (e)
+       (e->*method) ();
+    }
+}
+
 void
 Performer_group_performer::do_announces ()
 {
   while (1)
     {
-      create_audio_elements ();
       performer_each (get_simple_trans_list (),
                      &Performer::create_audio_elements);
-  
+
       if (!announce_infos_.size ())
-       break ;
-      
+       break;
+
       acknowledge_audio_elements ();
       announce_infos_.clear ();
     }
 }
 
-Performer_group_performer::Performer_group_performer ()
+void
+Performer_group_performer::play_element (Audio_element *e)
 {
+  Context *c = context_->get_parent_context ();
+  if (c)
+    {
+      Performer_group_performer *pgp = dynamic_cast<Performer_group_performer *> (c->implementation ());
+      pgp->play_element (e);
+    }
 }
 
-
-void
-performer_each (SCM list, Performer_method method)
+int
+Performer_group_performer::get_tempo () const
 {
-  for (SCM p = list; scm_is_pair (p); p = scm_cdr (p))
+  Context *c = context_->get_parent_context ();
+  if (c)
     {
-      Performer * e = dynamic_cast<Performer*>(unsmob_translator (scm_car (p)));
-      if (e)
-       (e->*method) ();
+      Performer_group_performer *pgp = dynamic_cast<Performer_group_performer *> (c->implementation ());
+      return pgp->get_tempo ();
     }
+  return 60;
 }
+