Run `make grand-replace'.

[lilypond.git] / lily / include / item.hh

diff --git a/lily/include/item.hh b/lily/include/item.hh
index d1fc8c8bfa7985288772b7f201d54e894ac42b43..1895910fb6c95ea21a45fbfa06cbbc6c79e0c80e 100644 (file)
--- a/lily/include/item.hh
+++ b/lily/include/item.hh
@@ -1,32 +1,57 @@
+/*
+  item.hh -- declare Item
+
+  source file of the GNU LilyPond music typesetter
+
+  (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
 #ifndef ITEM_HH
 #define ITEM_HH
 
-#include "glob.hh"
-#include "boxes.hh"
-#include "string.hh"
-#include "staff-elem.hh"
+#include "grob.hh"
 
 /**
- a horizontally fixed size element of the score
+   A horizontally fixed size element of the score.
 
-  Item is the datastructure for printables whose width is known
-  before the spacing is calculated
-
-  NB. This doesn't mean an Item has to initialize the output field before
-  spacing calculation. 
-  
+   Item is the datastructure for printables whose width is known
+   before the spacing is calculated
 */
-struct Item : Staff_elem {
-    /// indirection to the column it is in
-    PCol * pcol_l_;
-
-    /* *************** */
-    virtual Item *item() { return this; }
-    Item();
-    void do_print()const;
-
-    NAME_MEMBERS(Item);
+class Item : public Grob
+{
+  Drul_array<Item *> broken_to_drul_;
+
+  DECLARE_CLASSNAME(Item);
+public:
+  Item (SCM);
+  Item (Item const &);
+
+  virtual Grob *clone () const;
+
+  static bool is_non_musical (Grob *);
+  static bool break_visible(Grob *);
+  static bool less (Grob * const&, Grob * const&);
+  bool is_broken () const;
+  bool pure_is_visible (int start, int end) const;
+
+  Direction break_status_dir () 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 ();
+  virtual Interval_t<int> spanned_rank_interval () const;
+  virtual Interval pure_height (Grob *ref, int start, int end);
+  DECLARE_GROB_INTERFACE();
+protected:
+  virtual void discretionary_processing ();
+  void copy_breakable_items ();
+  virtual void derived_mark () const;
+
+  bool cached_pure_height_valid_;
+  Interval cached_pure_height_;
 };
 
+Interval_t<Moment> spanned_time_interval (Item *l, Item *r);
 
 #endif