X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Frest.cc;h=7fd5101d84fbcd15e73c76a11996f2b086910e1b;hb=7a6cc2409f4640656fb48c193f0b009be8016ec0;hp=61dd18b6c74aff052f2a3a991c592616adbb7076;hpb=3d169c6753c29a277a3cf10dd78bb58da16951a7;p=lilypond.git

diff --git a/lily/rest.cc b/lily/rest.cc
index 61dd18b6c7..7fd5101d84 100644
--- a/lily/rest.cc
+++ b/lily/rest.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "rest.hh"
@@ -46,6 +46,22 @@ Rest::y_offset_callback (SCM smob)
   return scm_from_double (amount);
 }
 
+/* A rest might lie under a beam, in which case it should be cross-staff if
+   the beam is cross-staff because the rest's position depends on the
+   formatting of the beam. */
+MAKE_SCHEME_CALLBACK (Rest, calc_cross_staff, 1);
+SCM
+Rest::calc_cross_staff (SCM smob)
+{
+  Grob *me = unsmob_grob (smob);
+  Grob *stem = unsmob_grob (me->get_object ("stem"));
+
+  if (!stem)
+    return SCM_BOOL_F;
+
+  return stem->get_property ("cross-staff");
+}
+
 /*
   make this function easily usable in C++
 */
@@ -177,21 +193,21 @@ Rest::generic_extent_callback (Grob *me, Axis a)
 
 MAKE_SCHEME_CALLBACK (Rest, pure_height, 3);
 SCM
-Rest::pure_height (SCM smob, SCM start, SCM end)
+Rest::pure_height (SCM smob,
+		   SCM /* start */,
+		   SCM /* end */)
 {
-  (void) start;
-  (void) end;
-  
   Grob *me = unsmob_grob (smob);
   SCM m = brew_internal_stencil (me, false);
   return ly_interval2scm (unsmob_stencil (m)->extent (Y_AXIS));
 }
 
 ADD_INTERFACE (Rest,
-	       "A rest symbol.",
+	       "A rest symbol.  The property @code{style} can be"
+	       " @code{default}, @code{mensural}, @code{neomensural} or"
+	       " @code{classical}.",
 
 	       /* properties */
-		  
 	       "direction "
 	       "minimum-distance "
 	       "style "