add some undocced properties.

[lilypond.git] / lily / repeat-acknowledge-engraver.cc

diff --git a/lily/repeat-acknowledge-engraver.cc b/lily/repeat-acknowledge-engraver.cc
index a134dad1ee0444c91c23269986872fb6d5cf6a2f..a62d7a37d1d3fc300219854413915793717fc9eb 100644 (file)
--- a/lily/repeat-acknowledge-engraver.cc
+++ b/lily/repeat-acknowledge-engraver.cc
@@ -3,7 +3,7 @@
   
   source file of the GNU LilyPond music typesetter
   
-  (c) 2000--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 2000--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   
  */
 #include "engraver.hh"
@@ -25,8 +25,7 @@
 class Repeat_acknowledge_engraver : public Engraver
 {
 public:
-  VIRTUAL_COPY_CONS (Translator);
-  Repeat_acknowledge_engraver ();
+  TRANSLATOR_DECLARATIONS(Repeat_acknowledge_engraver);
 
   virtual void start_translation_timestep ();
   virtual void process_music ();
@@ -93,12 +92,28 @@ Repeat_acknowledge_engraver::process_music ()
     s = ":|";
 
   /*
-    TODO: line breaks might be allowed if we set whichBar to "". 
+    TODO: line breaks might be allowed if we set whichBar to "".
    */
-  if (s != "" || (volta_found && !gh_string_p (get_property ("whichBar"))))
+
+  /*
+    We only set the barline if we wouldn't overwrite a previously set
+    barline.
+   */
+  SCM wb = get_property ("whichBar");
+  SCM db  = get_property ("defaultBarType");
+  if (!gh_string_p (wb) || gh_equal_p (db, wb))
     {
-      daddy_trans_l_->set_property ("whichBar", ly_str02scm (s.ch_C ()));
+      if (s != "" || (volta_found && !gh_string_p (wb)))
+       {
+         daddy_trans_l_->set_property ("whichBar", ly_str02scm (s.ch_C ()));
+       }
     }
 }
 
-ADD_THIS_TRANSLATOR (Repeat_acknowledge_engraver);
+ENTER_DESCRIPTION(Repeat_acknowledge_engraver,
+/* descr */       "Acknowledge repeated music, and convert the contents of
+repeatCommands ainto an appropriate setting for whichBar",
+/* creats*/       "",
+/* acks  */       "",
+/* reads */       "repeatCommands whichBar",
+/* write */       "");