Fix some bugs in the dynamic engraver and PostScript backend

[lilypond.git] / lily / engraver.cc

diff --git a/lily/engraver.cc b/lily/engraver.cc
index b1a11fcd3a1cab2d9675588b78a33d201a8cf35c..eebd22e4bea706dbf8635b70c0e1ebf412cedb24 100644 (file)
--- a/lily/engraver.cc
+++ b/lily/engraver.cc
@@ -3,7 +3,7 @@
 
   Sourcefile of GNU LilyPond music type setter
 
-  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "engraver.hh"
@@ -17,10 +17,10 @@
 #include "score-context.hh"
 #include "lilypond-key.hh"
 
-Engraver_group_engraver *
+Engraver_group *
 Engraver::get_daddy_engraver () const
 {
-  return dynamic_cast<Engraver_group_engraver *> (get_daddy_translator ());
+  return dynamic_cast<Engraver_group *> (get_daddy_translator ());
 }
 
 void
@@ -29,6 +29,12 @@ Engraver::announce_grob (Grob_info inf)
   get_daddy_engraver ()->announce_grob (inf);
 }
 
+void
+Engraver::announce_end_grob (Grob_info inf)
+{
+  get_daddy_engraver ()->announce_grob (inf);
+}
+
 /*
   CAUSE is the object (typically a Music object)  that
   was the reason for making E.
@@ -41,25 +47,41 @@ Engraver::announce_grob (Grob *e, SCM cause)
 
   Grob_info i (this, e);
 
-  Engraver_group_engraver *g = get_daddy_engraver ();
+  Engraver_group *g = get_daddy_engraver ();
   if (g)
     g->announce_grob (i);
 }
 
-Engraver::Engraver ()
+
+/*
+  CAUSE is the object (typically a Music object)  that
+  was the reason for making E.
+*/
+void
+Engraver::announce_end_grob (Grob *e, SCM cause)
 {
+  if (unsmob_music (cause) || unsmob_grob (cause))
+    e->set_property ("cause", cause);
+
+  Grob_info i (this, e);
+
+  i.start_end_ = STOP;
+  Engraver_group *g = get_daddy_engraver ();
+  if (g)
+    g->announce_grob (i);
 }
 
-Score_engraver *
-Engraver::get_score_engraver () const
+
+Engraver::Engraver ()
 {
-  return dynamic_cast<Score_engraver *> (get_score_context ()->implementation ());
 }
 
 #include "translator.icc"
 
 ADD_TRANSLATOR (Engraver,
-               "", "",
+               "Base class for engravers. Does nothing, so it is not used.",
+               "",
+               "",
                "",
-               "", "", "");
+               "");