Fix some bugs in the dynamic engraver and PostScript backend

[lilypond.git] / lily / forbid-break-engraver.cc

diff --git a/lily/forbid-break-engraver.cc b/lily/forbid-break-engraver.cc
index 9bbf42e3942bfced04cede289570059e07f83be6..14471e8ec62b944102fe12d516b5725760a8dd91 100644 (file)
--- a/lily/forbid-break-engraver.cc
+++ b/lily/forbid-break-engraver.cc
@@ -1,45 +1,57 @@
-#include "rhythmic-head.hh"
+/*
+  forbid-break-engraver.cc -- implement Forbid_line_break_engraver
+
+  source file of the GNU LilyPond music typesetter
+
+  (c) 2002--_2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+#include "duration.hh"
 #include "grob.hh"
-#include "score-engraver.hh"
+#include "engraver.hh"
+#include "input.hh"
+#include "moment.hh"
+#include "pitch.hh"
+#include "rhythmic-head.hh"
+#include "score-context.hh"
+
+#include "translator.icc"
 
 class Forbid_line_break_engraver : public Engraver
 {
 public:
   TRANSLATOR_DECLARATIONS (Forbid_line_break_engraver);
-  virtual void start_translation_timestep ();
+  void start_translation_timestep ();
 };
 
-Forbid_line_break_engraver::Forbid_line_break_engraver (){}
+Forbid_line_break_engraver::Forbid_line_break_engraver ()
+{
+}
 
 void
 Forbid_line_break_engraver::start_translation_timestep ()
 {
   /*
     Check for running note heads. This should probably be done elsewhere.
-   */
+  */
   SCM busy = get_property ("busyGrobs");
 
   Moment now = now_mom ();
   while (scm_is_pair (busy) && unsmob_moment (scm_caar (busy))->main_part_ == now.main_part_)
     busy = scm_cdr (busy);
 
-  
   while (scm_is_pair (busy))
     {
       Grob *g = unsmob_grob (scm_cdar (busy));
-      if (Rhythmic_head::has_interface (g))
-       {
-         get_score_engraver ()->forbid_breaks ();
-       }
+      if (g->internal_has_interface (ly_symbol2scm ("rhythmic-grob-interface")))
+        context ()->get_score_context ()->set_property ("forbidBreak", SCM_BOOL_T);
       busy = scm_cdr (busy);
     }
 }
 
-
 ADD_TRANSLATOR (Forbid_line_break_engraver,
-/* descr */       "Forbid line breaks when note heads are still playing at some point.",
-/* creats*/       "",
-/* accepts */     "",
-/* acks  */      "",
-/* reads */       "busyGrobs",
-/* write */       "");
+               /* doc */ "Forbid line breaks when note heads "
+               "are still playing at some point.",
+               /* create */ "",
+               /* accept */ "",
+               /* read */ "busyGrobs",
+               /* write */ "forbidBreak");