X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fgrob.cc;h=bdf338888f2c440200837c442e696a4ef50f676a;hb=87f20df2d2cc147c0fa8da266774b2bd8b3fa171;hp=882808180c6f2509cd7c807b5d22fed795f8239e;hpb=eac874ad80855c7f8372c7893394fd63371a7be1;p=lilypond.git

diff --git a/lily/grob.cc b/lily/grob.cc
index 882808180c..bdf338888f 100644
--- a/lily/grob.cc
+++ b/lily/grob.cc
@@ -191,6 +191,16 @@ Grob::get_system () const
   return 0;
 }
 
+/* This version of get_system is more reliable than this->get_system ()
+   before line-breaking has been done, at which point there is only
+   one system in the whole score and we can find it just by following
+   parent pointers. */
+System *
+Grob::get_system(Grob *me)
+{
+  Grob *p = me->get_parent (X_AXIS);
+  return p ? get_system (p) : dynamic_cast<System *>(me);
+}
 
 void
 Grob::handle_broken_dependencies ()
@@ -483,7 +493,7 @@ Grob::spanned_rank_interval () const
 }
 
 bool
-Grob::pure_is_visible (int start, int end) const
+Grob::pure_is_visible (int /* start */, int /* end */) const
 {
   return true;
 }