X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fnote-collision.cc;h=8ee404cb067e5a0d1468ed69112a09d9b88f516a;hb=8f2493cf80f90a12938c305c5fcb01de7e9a03fc;hp=488d77f1b72b4cffc07969dc20c53172eb1068ee;hpb=ade39b0e10fdf852db6254afac36473a1c66a4d3;p=lilypond.git

diff --git a/lily/note-collision.cc b/lily/note-collision.cc
index 488d77f1b7..8ee404cb06 100644
--- a/lily/note-collision.cc
+++ b/lily/note-collision.cc
@@ -306,7 +306,12 @@ check_meshing_chords (Grob *me,
 	far to the right.
       */
       if (Dot_column::has_interface (parent))
-	Side_position_interface::add_support (parent, nu);
+	{
+	  Grob *stem = unsmob_grob (nu->get_object ("stem"));
+	  extract_grob_set (stem, "note-heads", heads);
+	  for (vsize i = 0; i < heads.size (); i++)
+	    Side_position_interface::add_support (parent, heads[i]);
+	}
     }
 
   Direction d = UP;
@@ -319,7 +324,7 @@ check_meshing_chords (Grob *me,
 }
 
 
-MAKE_SCHEME_CALLBACK(Note_collision_interface, calc_positioning_done, 1) 
+MAKE_SCHEME_CALLBACK (Note_collision_interface, calc_positioning_done, 1) 
 SCM
 Note_collision_interface::calc_positioning_done (SCM smob)
 {
@@ -331,7 +336,7 @@ Note_collision_interface::calc_positioning_done (SCM smob)
   Direction d = UP;
   do
     {
-      for (vsize i = cg[d].size(); i--; )
+      for (vsize i = cg[d].size (); i--; )
 	{
 	  /*
 	    Trigger positioning
@@ -429,8 +434,7 @@ Note_collision_interface::get_clash_groups (Grob *me)
 */
 SCM
 Note_collision_interface::automatic_shift (Grob *me,
-					   Drul_array < vector<Grob*>
-					   > clash_groups)
+					   Drul_array<vector<Grob*> > clash_groups)
 {
   Drul_array < vector<int> > shifts;
   SCM tups = SCM_EOL;
@@ -502,6 +506,23 @@ Note_collision_interface::automatic_shift (Grob *me,
     }
   while ((flip (&d)) != UP);
 
+
+  /*
+    see input/regression/dot-up-voice-collision.ly
+   */
+  for (vsize i = 0; i < clash_groups[UP].size (); i++)
+    {
+      Grob *g = clash_groups[UP][i];
+      Grob *dc = Note_column::dot_column (g);
+      
+      if (dc)
+	for (vsize j = i + 1;  j < clash_groups[UP].size (); j++)
+	  {
+	    Grob *stem = Note_column::get_stem (clash_groups[UP][j]);
+	    Side_position_interface::add_support (dc, stem);
+	  }
+    }
+  
   /*
     Check if chords are meshing
   */