release: 1.3.109

[lilypond.git] / lily / tie-column.cc

diff --git a/lily/tie-column.cc b/lily/tie-column.cc
index 9da8e66885c44e1413bc9b93cf59c50e3f1aff06..552c98de7017d188437927d02ad7cac740d11113 100644 (file)
--- a/lily/tie-column.cc
+++ b/lily/tie-column.cc
@@ -17,7 +17,7 @@
 
 
 void
-Tie_column::set_interface (Score_element*me)
+Tie_column::set_interface (Grob*me)
 {
   me->set_interface (ly_symbol2scm ("tie-column-interface"));
   me->set_extent_callback (SCM_EOL, X_AXIS);
@@ -25,15 +25,19 @@ Tie_column::set_interface (Score_element*me)
 }
 
 bool
-Tie_column::has_interface (Score_element*me)
+Tie_column::has_interface (Grob*me)
 {
   return  me->has_interface (ly_symbol2scm ("tie-column-interface"));
 }
 
+
+/*
+  tie dir depends on what Tie_column does.
+*/
+
 void
-Tie_column::add_tie (Score_element*me,Score_element *s)
+Tie_column::add_tie (Grob*me,Grob *s)
 {
-
   if (!  Pointer_group_interface ::count (me, "ties"))
     {
       dynamic_cast<Spanner*> (me)->set_bound (LEFT, Tie::head (s,LEFT));
@@ -46,8 +50,8 @@ Tie_column::add_tie (Score_element*me,Score_element *s)
 
 
 int
-tie_compare (Score_element* const & s1,
-            Score_element* const & s2)
+tie_compare (Grob* const & s1,
+            Grob* const & s2)
 {
   return sign (Tie::position_f (s1) - Tie::position_f(s2));
 }
@@ -62,19 +66,26 @@ tie_compare (Score_element* const & s1,
   Ross forgets about the tie that is *on* the middle staff line. We
   assume it goes UP. (TODO: make me settable) */
 void
-Tie_column::set_directions (Score_element*me)
+Tie_column::set_directions (Grob*me)
 {
-  Link_array<Score_element> ties =
-    Pointer_group_interface__extract_elements (me, (Score_element*)0, "ties");
+  Link_array<Grob> ties =
+    Pointer_group_interface__extract_elements (me, (Grob*)0, "ties");
 
+  for (int i = ties.size (); i--; )
+    if (Directional_element_interface::get (ties[i]))
+      ties.del (i);
+  
 
-  Direction d = Directional_element_interface::get (me);
+  if(!ties.size())
+    return ;
+  
 
+  Direction d = Directional_element_interface::get (me);
   if (d)
     {
       for (int i = ties.size (); i--;)
        {
-         Score_element *  t = ties[i];
+         Grob *  t = ties[i];
          Directional_element_interface::set (t, d);
        }
       return;
@@ -82,7 +93,7 @@ Tie_column::set_directions (Score_element*me)
   
   if (ties.size () == 1)
     {
-      Score_element *  t = ties[0];      
+      Grob *  t = ties[0];      
       Directional_element_interface::set (t,Tie::get_default_dir (t));
       return;
     }
@@ -94,7 +105,7 @@ Tie_column::set_directions (Score_element*me)
   Directional_element_interface ::set(ties.pop (), UP);
   for (int i=ties.size(); i--; )
     {
-      Score_element *  t = ties[i];
+      Grob *  t = ties[i];
       Real p = Tie::position_f (t);
       Direction d = (Direction) sign (p);
       if (!d)