Merge branch 'master' of ssh://jomand@git.sv.gnu.org/srv/git/lilypond into lilypond...

[lilypond.git] / lily / auto-change-iterator.cc

diff --git a/lily/auto-change-iterator.cc b/lily/auto-change-iterator.cc
index bbf2fe509f0d4e1f8b0b671f7b7c35355778022c..8ac1ccf337f22eb77b702efc1ef3e2bc8a61125c 100644 (file)
--- a/lily/auto-change-iterator.cc
+++ b/lily/auto-change-iterator.cc
@@ -3,12 +3,13 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1999--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1999--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "context.hh"
 #include "direction.hh"
 #include "international.hh"
+#include "music.hh"
 #include "music-wrapper-iterator.hh"
 
 class Auto_change_iterator : public Music_wrapper_iterator
@@ -59,26 +60,29 @@ Auto_change_iterator::change_to (Music_iterator *it, SCM to_type_sym,
   if (current && current->id_string () == to_id)
     {
       string msg;
-      msg += _f ("can't change, already in translator: %s", to_id);
+      msg += _f ("cannot change, already in translator: %s", to_id);
     }
 
   if (current)
-    if (last)
-      {
-       Context *dest
-         = it->get_outlet ()->find_create_context (to_type_sym, to_id, SCM_EOL);
-       current->remove_context (last);
-       dest->add_context (last);
-      }
-    else
-      {
-       /*
-         We could change the current translator's id, but that would make
-         errors hard to catch
-
-       */
-      }
-  else;
+    {
+      if (last)
+       {
+         Context *dest
+           = it->get_outlet ()->find_create_context (to_type_sym, to_id, SCM_EOL);
+         
+         send_stream_event (last, "ChangeParent", get_music ()->origin (),
+                              ly_symbol2scm ("context"), dest->self_scm ());
+       }
+      else
+       {
+         /*
+           We could change the current translator's id, but that would make
+           errors hard to catch
+
+         */
+         ;
+       }
+    }
 }
 
 void
@@ -88,6 +92,8 @@ Auto_change_iterator::process (Moment m)
 
   Moment now = get_outlet ()->now_mom ();
   Moment *splitm = 0;
+  if (start_moment_.main_part_.is_infinity () && start_moment_ < 0)
+    start_moment_ = now;
 
   for (; scm_is_pair (split_list_); split_list_ = scm_cdr (split_list_))
     {