source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#ifndef SPAN_BAR_HH
#define SPAN_BAR_HH
-#include "bar.hh"
+#include "lily-guile.hh"
+#include "lily-proto.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_;
- Interval get_spanned_interval () const;
public:
- Real extra_x_off_;
- bool no_width_b_;
- 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 Interval do_height () const;
- virtual void do_substitute_dependency (Score_element*,Score_element*);
- virtual Molecule * do_brew_molecule_p() const;
+ static void set_interface (Grob*);
+ static bool has_interface (Grob*);
+ static Interval get_spanned_interval (Grob*);
+ static void add_bar (Grob*,Grob*);
+ static void evaluate_glyph (Grob*);
+ static void evaluate_empty (Grob*);
+ DECLARE_SCHEME_CALLBACK (width_callback, (SCM smob, SCM axis));
+ DECLARE_SCHEME_CALLBACK (get_bar_size, (SCM ));
+ DECLARE_SCHEME_CALLBACK (brew_molecule, (SCM ));
+ DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM ));
+ DECLARE_SCHEME_CALLBACK (center_on_spanned_callback, (SCM element, SCM axis));
};
#endif // SPAN_BAR_HH