source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-
#ifndef SPAN_BAR_HH
#define SPAN_BAR_HH
-#include "bar.hh"
+#include "lily-proto.hh"
+#include "grob-interface.hh"
-class Span_bar : public virtual Bar
+/**
+ This is a barline that is spanned across other bar lines. This is
+ the implementation of the long barlines that occur in orchestral
+ score and other multi-staff music.
+*/
+class Span_bar
{
- Link_array<Score_element> spanning_l_arr_;
-
public:
- Span_bar();
-
- VIRTUAL_COPY_CONS(Score_element);
- void add_bar (Bar*);
- void set_align (Align_element *);
-protected:
- void evaluate_empty ();
- virtual Interval do_width() const;
- virtual void do_pre_processing();
- virtual void do_post_processing();
-
- virtual void do_substitute_dependency (Score_element*,Score_element*);
- virtual Molecule * do_brew_molecule_p() const;
- virtual Molecule get_bar_sym (Real dy) const;
+ DECLARE_GROB_INTERFACE();
+ static Interval get_spanned_interval (Grob *);
+ static void add_bar (Grob *, Grob *);
+ static void evaluate_glyph (Grob *);
+ DECLARE_SCHEME_CALLBACK (width, (SCM smob));
+ DECLARE_SCHEME_CALLBACK (calc_bar_size, (SCM));
+ DECLARE_SCHEME_CALLBACK (print, (SCM));
+ DECLARE_SCHEME_CALLBACK (calc_glyph_name, (SCM));
+ DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM));
+ DECLARE_SCHEME_CALLBACK (center_on_spanned_callback, (SCM element));
};
#endif // SPAN_BAR_HH