X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fside-position-interface.hh;h=624bff4e89544c58a594c4c2433f418e32b424f1;hb=e90f0536f9be39ada0bef0aeb0d275dec3b2fb5b;hp=2a3ab874575652ba705455ca418e8fcb2681a151;hpb=01e85a02b5866e42e2ef822797f3986f06289bc0;p=lilypond.git

diff --git a/lily/include/side-position-interface.hh b/lily/include/side-position-interface.hh
index 2a3ab87457..624bff4e89 100644
--- a/lily/include/side-position-interface.hh
+++ b/lily/include/side-position-interface.hh
@@ -1,42 +1,55 @@
-/*   
-  side-position-interface.hh -- declare Side_position_interface
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 1999--2011 Han-Wen Nienhuys <hanwen@xs4all.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 SIDE_POSITION_INTERFACE_HH
 #define SIDE_POSITION_INTERFACE_HH
 
-#include "spanner.hh"
-#include "item.hh"
+#include "grob-interface.hh"
+#include "lily-proto.hh"
+
+/*
+  TODO: move out unrelated callbacks.
 
+  TODO: reduce number of methods.
+*/
 struct Side_position_interface
 {
-  Score_element * elt_l_;
 public:
-  Side_position_interface (Score_element const*);
-  static Real side_position (Dimension_cache const *);
-  static Real aligned_on_self (Dimension_cache const *);
-  static Real aligned_side (Dimension_cache const *);  
-  static Real quantised_position (Dimension_cache const*);
-  static Real centered_on_parent (Dimension_cache const*);
-  void set_axis (Axis);
-  void set_quantised (Axis);
-  Axis get_axis () const;
-  
-  bool supported_b () const;
-  bool has_interface_b () const;
-  void add_support (Score_element*);
-
-  void add_staff_support ();
-  Direction get_direction () const;
-  void set_direction (Direction);
-};
 
-Side_position_interface side_position (Score_element*);
+  DECLARE_SCHEME_CALLBACK (y_aligned_on_support_refpoints, (SCM element));
+  DECLARE_SCHEME_CALLBACK (pure_y_aligned_on_support_refpoints, (SCM element, SCM start, SCM end));
+  DECLARE_SCHEME_CALLBACK (x_aligned_side, (SCM element, SCM current));
+  DECLARE_SCHEME_CALLBACK (y_aligned_side, (SCM element, SCM current));
+  DECLARE_SCHEME_CALLBACK (pure_y_aligned_side, (SCM element, SCM start, SCM end, SCM current));
+  DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM element));
+  DECLARE_SCHEME_CALLBACK (move_to_extremal_staff, (SCM));
+
+  static SCM aligned_side (Grob*me, Axis a, bool pure, int start, int end, Real *current_off_ptr);
+
+  static SCM general_side_position (Grob *, Axis, bool, bool my_extents,
+				    bool pure, int start, int end, Real *current_off);
+  static Axis get_axis (Grob *);
+  static void set_axis (Grob *, Axis);
+  DECLARE_GROB_INTERFACE();
+  static void add_support (Grob *, Grob *);
+  static void add_staff_support (Grob *);
+};
 
 #endif /* SIDE_POSITION_INTERFACE_HH */