Add addversion lilypond-book fragment option

[lilypond.git] / lily / spaceable-grob.cc

diff --git a/lily/spaceable-grob.cc b/lily/spaceable-grob.cc
index 464e0d3b1c1ddc50b6ec591c82110fa403cfda69..87d30397e3ae48e4bf40976584eae0c0d1f16862 100644 (file)
--- a/lily/spaceable-grob.cc
+++ b/lily/spaceable-grob.cc
@@ -55,45 +55,17 @@ Spaceable_grob::add_rod (Grob *me, Grob *p, Real d)
   me->set_object ("minimum-distances", mins);
 }
 
-void
-Spaceable_grob::add_spring (Grob *me, Grob *other,
-                           Real distance, Real inverse_strength)
-{
-#ifndef NDEBUG
-  SCM mins = me->get_object ("ideal-distances");
-  for (SCM s = mins; scm_is_pair (s); s = scm_cdr (s))
-    {
-      Spring *sp = unsmob_spring (scm_car (s));
-      if (sp->other_ == other)
-       {
-         programming_error ("already have that spring");
-         return;
-       }
-    }
-#endif
-
-  Spring spring;
-  spring.set_inverse_stretch_strength (inverse_strength);
-  spring.set_inverse_compress_strength (inverse_strength);
-  spring.set_distance (distance);
-  spring.other_ = other;
-
-  SCM ideal = me->get_object ("ideal-distances");
-  ideal = scm_cons (spring.smobbed_copy (), ideal);
-  me->set_object ("ideal-distances", ideal);
-}
-
 void
 Spaceable_grob::add_spring (Grob *me, Grob *other, Spring sp)
 {
   SCM ideal = me->get_object ("ideal-distances");
-  sp.other_ = other;
-  ideal = scm_cons (sp.smobbed_copy (), ideal);
+
+  ideal = scm_cons (scm_cons (sp.smobbed_copy (), other->self_scm ()), ideal);
   me->set_object ("ideal-distances", ideal);
 }
 
-void
-Spaceable_grob::get_spring (Grob *this_col, Grob *next_col, Real *dist, Real *inv_strength)
+Spring
+Spaceable_grob::get_spring (Grob *this_col, Grob *next_col)
 {
   Spring *spring = 0;
 
@@ -101,18 +73,17 @@ Spaceable_grob::get_spring (Grob *this_col, Grob *next_col, Real *dist, Real *in
        !spring && scm_is_pair (s);
        s = scm_cdr (s))
     {
-      Spring *sp = unsmob_spring (scm_car (s));
-
-      if (sp && sp->other_ == next_col)
-       spring = sp;
+      if (scm_is_pair (scm_car (s))
+         && unsmob_grob (scm_cdar (s)) == next_col
+         && unsmob_spring (scm_caar (s)))
+       spring = unsmob_spring (scm_caar (s));
     }
 
   if (!spring)
     programming_error (_f ("No spring between column %d and next one",
                           Paper_column::get_rank (this_col)));
 
-  *dist = (spring) ? spring->distance () : 5.0;
-  *inv_strength = (spring) ? spring->inverse_stretch_strength () : 1.0;
+  return spring ? *spring : Spring ();
 }