release: 1.3.13

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

diff --git a/lily/performer-group-performer.cc b/lily/performer-group-performer.cc
index e8d1045e65e299b535c10a6ab8da559951218e6b..7496881ad0732a1c33f420cd88bc0260379a59e3 100644 (file)
--- a/lily/performer-group-performer.cc
+++ b/lily/performer-group-performer.cc
@@ -1,18 +1,73 @@
 /*
   performer-group-performer.cc -- implement Performer_group_performer
 
-  (c) 1996, 1997 Han-Wen Nienhuys <hanwen@stack.nl>
-                 Jan Nieuwenhuizen <jan@digicash.com>
+  source file of the GNU LilyPond music typesetter
+
+  (c) 1996,  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+               Jan Nieuwenhuizen <janneke@gnu.org>
  */
 
-#if 0
-    bool try_request( Request* req_l )
+#include "performer-group-performer.hh"
+
+#include "debug.hh"
+
+
+ADD_THIS_TRANSLATOR(Performer_group_performer);
+
+
+void
+Performer_group_performer::announce_element (Audio_element_info info)
+{
+  announce_info_arr_.push (info);
+  Performer::announce_element (info);
+}
+
+void
+Performer_group_performer::do_announces()
+{
+   for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
     {
-        bool hebbes_b =false;
-        for (int i =0; !hebbes_b && i < nongroup_l_arr_.size() ; i++)
-            hebbes_b =nongroup_l_arr_[i]->try_request(req_l);
-        if (!hebbes_b)
-            hebbes_b = daddy_grav_l_->try_request(req_l);
-        return hebbes_b ;
+      if (Performer_group_performer *trg =  dynamic_cast <Performer_group_performer *> (p->car_))
+       trg->do_announces ();
     }
-#endif
+
+  
+  Request dummy_req;
+
+  while (announce_info_arr_.size ())
+    {
+      for (int j =0; j < announce_info_arr_.size(); j++)
+       {
+         Audio_element_info info = announce_info_arr_[j];
+         
+         if (!info.req_l_)
+           info.req_l_ = &dummy_req;
+
+         for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
+           {
+             if (!dynamic_cast <Performer_group_performer *> (p->car_))
+               {
+                 Performer * eng = dynamic_cast<Performer*> (p->car_);
+                 // urg, huh? core dump?
+                 //if (eng && eng!= info.origin_trans_l_arr_[0])
+                 if (eng && info.origin_trans_l_arr_.size ()
+                     && eng!= info.origin_trans_l_arr_[0])
+                   eng->acknowledge_element (info);
+               }
+           }
+         announce_info_arr_.clear ();
+      
+      
+         for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
+           {
+             if (!dynamic_cast <Performer_group_performer *> (p->car_))
+               {
+                 Performer * eng = dynamic_cast<Performer*> (p->car_);
+                 if (eng)
+                   eng->process_acknowledged ();
+               }
+           }
+       }
+    }
+}
+