X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fitem.hh;h=e80d1f8fd476e354db08bc9323fffee92d767242;hb=eac874ad80855c7f8372c7893394fd63371a7be1;hp=0a20e7614844d1db6d35ff12b4cdfab90d579633;hpb=69b9cead5afe7164b9053d26eba582fec3825ef8;p=lilypond.git

diff --git a/lily/include/item.hh b/lily/include/item.hh
index 0a20e76148..e80d1f8fd4 100644
--- a/lily/include/item.hh
+++ b/lily/include/item.hh
@@ -1,63 +1,67 @@
 /*
-  item.hh -- declare Item
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c)  1997--1998 Han-Wen Nienhuys <hanwen@stack.nl>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 #ifndef ITEM_HH
 #define ITEM_HH
 
-
-#include "boxes.hh"
-#include "string.hh"
-#include "score-elem.hh"
-#include "drul-array.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
 */
-class Item : public virtual Score_elem {
+class Item : public Grob
+{
+  Drul_array<Item *> broken_to_drul_;
+
+  DECLARE_CLASSNAME(Item);
 public:
-  Link_array<Spanner> attached_span_l_arr_;
-  Drul_array<Item*> broken_to_drul_;
-
-  /// should be put in a breakable col.
-  bool breakable_b_;
-  Direction break_status_i_;
-  int break_priority_i_;
-  
-  /// nobreak = 0, pre = -1, post = 1
-  int break_status_i() const;
-  Item * find_prebroken_piece (Direction) const;
-  Item * find_prebroken_piece (Line_of_score*) const;    
-
-  virtual Item *item() { return this; }
-  Item();
-  Real hpos_f() const;
-  DECLARE_MY_RUNTIME_TYPEINFO;
-  virtual Line_of_score * line_l() const;
-  virtual Paper_column * column_l () const;
-    
-  static int left_right_compare (Item const *, Item const*);
+  Item (SCM);
+  Item (Item const &);
+
+  virtual Grob *clone () const;
+
+  static bool is_non_musical (Grob *);
+  static bool break_visible(Grob *);
+  bool is_broken () const;
+  virtual 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 do_unlink ();
-  virtual void do_junk_links();
-  virtual void  do_breakable_col_processing();
-  virtual void handle_prebroken_dependencies();
-  virtual void do_print() const;
-  virtual bool linked_b() const;
-
-  void copy_breakable_items();
-};
+  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