/*   
  separating-group-spanner.hh -- declare Separating_group_spanner
  
  source file of the GNU LilyPond music typesetter
  
  (c)  1998--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
  
 */

#ifndef SEPARATING_GROUP_SPANNER_HH
#define SEPARATING_GROUP_SPANNER_HH

#include "spanner.hh"

class Separating_group_spanner
{
public:
  static void add_spacing_unit (Grob*me, Item*);
  static void find_rods (Item*, SCM);
  
  static bool has_interface (Grob*);
  static void find_musical_sequences (Grob*);
  DECLARE_SCHEME_CALLBACK (set_spacing_rods, (SCM ));
  DECLARE_SCHEME_CALLBACK (set_spacing_rods_and_seqs, (SCM ));
};

#endif /* SEPARATING_GROUP_SPANNER_HH */

