source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-
#ifndef PAPER_COLUMN_HH
#define PAPER_COLUMN_HH
#include "item.hh"
#include "rod.hh"
-
class Paper_column : public Item
-{
+{
+ int rank_;
+ /// if lines are broken then this column is in #line#
+ System *system_;
+
+ // ugh: friend declarations.
+ friend void set_loose_columns (System *which, Column_x_positions const *posns);
+ friend class System;
public:
- VIRTUAL_COPY_CONS (Grob);
+ Paper_column (SCM);
+ Paper_column (Paper_column const &);
- static bool has_interface (Grob*);
- int rank_;
+ virtual Grob *clone () const;
virtual void do_break_processing ();
virtual Paper_column *get_column () const;
virtual System *get_system () const;
-
- /// if lines are broken then this column is in #line#
- System *system_;
+ void set_system (System *);
- static int get_rank (Grob*);
+ static int compare (Grob * const &a,
+ Grob * const &b);
+ static bool less_than (Grob *const &a,
+ Grob *const &b);
- DECLARE_SCHEME_CALLBACK(print, (SCM));
- DECLARE_SCHEME_CALLBACK(before_line_breaking, (SCM));
-
- Paper_column (SCM);
- static bool is_musical (Grob *);
- static Moment when_mom (Grob*);
-
- static bool is_used (Grob*) ;
+ int get_rank () const { return rank_; }
void set_rank (int);
+
+ DECLARE_SCHEME_CALLBACK (print, (SCM));
+ DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM));
+
+ DECLARE_GROB_INTERFACE();
+ static int get_rank (Grob const *);
+ static bool is_musical (Grob *);
+ static Moment when_mom (Grob *);
+ static bool is_used (Grob *);
+ static bool is_breakable (Grob *);
+ static Real minimum_distance (Grob *l, Grob *r);
+ static Interval break_align_width (Grob *me);
};
-
+
#endif // PAPER_COLUMN_HH