X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fsemi-tie.cc;h=a95b30737f263dda851cce80f9271b7934a4bc6c;hb=f9214bac21e9926dc3248416f58190c98c4167a9;hp=bddae0e2b2330ae7024803445b8609e0f2b7dad0;hpb=99242a027c2281ed7674772e9a0ae7fc86024be0;p=lilypond.git

diff --git a/lily/semi-tie.cc b/lily/semi-tie.cc
index bddae0e2b2..a95b30737f 100644
--- a/lily/semi-tie.cc
+++ b/lily/semi-tie.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
 */
 
@@ -17,14 +17,13 @@
 
 ADD_INTERFACE(Semi_tie,
 	      
-	      "semi-tie-interface",
-	      
 	      "A tie which is only on one side connected to note heads. ",
 
 	      /* properties */
 	      "control-points "
 	      "direction "
 	      "details "
+	      "head-direction "
 	      "note-head "
 	      "thickness "
 	      );
@@ -34,6 +33,8 @@ SCM
 Semi_tie::calc_control_points (SCM smob)
 {
   Grob *me = unsmob_grob (smob);
+  (void) me->get_property ("direction");
+  
   if (Semi_tie_column::has_interface (me->get_parent (Y_AXIS)))
     {
       me->get_parent (Y_AXIS)->get_property ("positioning-done");
@@ -43,24 +44,8 @@ Semi_tie::calc_control_points (SCM smob)
       programming_error ("lv tie without Semi_tie_column. Killing lv tie."); 
       me->suicide (); 
     }
-  
-  return SCM_UNSPECIFIED;
-}
 
-MAKE_SCHEME_CALLBACK(Semi_tie, calc_direction, 1)
-SCM
-Semi_tie::calc_direction (SCM smob)
-{
-  Grob *me = unsmob_grob (smob);
-  if (Semi_tie_column::has_interface (me->get_parent (Y_AXIS)))
-    me->get_parent (Y_AXIS)->get_property("positioning-done");
-  else
-    {
-      programming_error ("lv tie without Semi_tie_column"); 
-      set_grob_direction (me, UP);
-    }
-
-  return SCM_UNSPECIFIED;
+  return me->get_property_data ("control-points");
 }
 
 int
@@ -70,10 +55,10 @@ Semi_tie::get_position (Grob *me)
   return (int) rint (Staff_symbol_referencer::get_position (h));
 }
 
-int
-Semi_tie::compare (Grob *const &s1,
-			     Grob *const &s2)
+bool
+Semi_tie::less (Grob *const &s1,
+		Grob *const &s2)
 {
-  return sign (get_position (s1) - get_position (s2));
+  return get_position (s1) < get_position (s2);
 }