Run grand replace for 2015.

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

diff --git a/lily/include/item.hh b/lily/include/item.hh
index c4b3dfbad3d6ca56efe42be084b1de3def0a7e2b..914d2ef7b8311b6c622ae0158d680b1846e9e9e5 100644 (file)
--- a/lily/include/item.hh
+++ b/lily/include/item.hh
@@ -1,77 +1,76 @@
 /*
-  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--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.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 "box.hh"
-#include "string.hh"
-#include "score-element.hh"
-#include "drul-array.hh"
-#include "protected-scm.hh"
+#include "grob.hh"
 
 /**
-  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. 
-  
-
-  
-  @signature
-  visibility_lambda :: int -> (bool . bool)
-     
-  @in
-  break direction
-     
-  @out
-  (transparent, empty) cons
-     
-   */
-class Item : public virtual Score_element {
-  void do_break ();
-  void try_visibility_lambda ();
-public:
-  /*
-    ugh.
-   */
-  Drul_array<Item*> broken_to_drul_;
+   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_;
 
+  DECLARE_CLASSNAME (Item);
 public:
+  Item (SCM);
+  Item (Item const &);
+
+  static Item *unsmob (SCM g) {
+    return dynamic_cast <Item *> (Grob::unsmob (g));
+  }
+  static bool is_smob (SCM g) {
+    return Grob::is_smob (g) && unsmob (g);
+  }
+
+  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;
 
-  /// I am really to be broken?
-  bool breakable_b () const;
-  bool broken_b () const;
-  
   Direction break_status_dir () const;
-  
-  Item * find_broken_piece (Direction) const;
-  Score_element * find_broken_piece (Line_of_score*) const;    
-
-  Item();
-  Real hpos_f() const;
-  
-  virtual Line_of_score * line_l() const;
-  virtual Paper_column * column_l () const;
-    
-  static int left_right_compare (Item const *, Item const*);
-  
-  Item (Item 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);
+  virtual void cache_pure_height (Interval height);
+  DECLARE_GROB_INTERFACE ();
 protected:
-  virtual void do_breakable_col_processing();
+  virtual void discretionary_processing ();
+  void copy_breakable_items ();
+  virtual void derived_mark () const;
 
-  void copy_breakable_items();
+  bool cached_pure_height_valid_;
+  Interval cached_pure_height_;
 };
 
-
+Interval_t<Moment> spanned_time_interval (Item *l, Item *r);
 
 #endif