source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#ifndef ITEM_HH
#define ITEM_HH
-
-#include "box.hh"
#include "grob.hh"
-#include "drul-array.hh"
-
/**
- A horizontally fixed size element of the score.
-
- Item is the datastructure for printables whose width is known
- before the spacing is calculated
+ A horizontally fixed size element of the score.
+ Item is the datastructure for printables whose width is known
+ before the spacing is calculated
*/
class Item : public Grob
{
- Drul_array<Item*> broken_to_drul_;
+ Drul_array<Item *> broken_to_drul_;
+ DECLARE_CLASSNAME(Item);
public:
- VIRTUAL_COPY_CONS (Grob);
- Item (SCM);
- Item (Item const &);
+ Item (SCM, Object_key const *);
+ Item (Item const &, int count);
+
+ virtual Grob *clone (int count) const;
+
+ static bool is_non_musical (Grob *);
+ bool is_broken () const;
+ bool pure_is_visible (int start, int end) const;
- static bool breakable_b (Grob*me);
- bool broken_b () const;
-
Direction break_status_dir () const;
-
- Item * find_prebroken_piece (Direction) const;
- Grob * find_broken_piece (System*) const;
- virtual System * line_l () const;
- virtual Paper_column * column_l () const;
+ Item *find_prebroken_piece (Direction) const;
+ Grob *find_broken_piece (System *) const;
+ virtual System *get_system () const;
+ virtual Paper_column *get_column () const;
virtual void handle_prebroken_dependencies ();
- static bool has_interface (Grob*);
+ virtual Interval_t<int> spanned_rank_iv ();
+ DECLARE_GROB_INTERFACE();
protected:
virtual void discretionary_processing ();
void copy_breakable_items ();
- virtual SCM do_derived_mark ();
+ virtual void derived_mark () const;
};
-
-
#endif