-/*
- side-position-interface.hh -- declare Side_position_interface
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
-#ifndef SIDE_POSITION_INTERFACE_HH
-#define SIDE_POSITION_INTERFACE_HH
-
-#include "spanner.hh"
-#include "item.hh"
-
-extern SCM Side_position_aligned_on_self_proc;
-extern SCM Side_position_centered_on_parent_proc;
-extern SCM Side_position_quantised_position_proc;
-
-/**
- Position victim object (ELT_L_) next to other objects (the support).
-
- side-support -- list of score elements
+ Copyright (C) 1999--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
- direction -- where to put the victim object (left or right?)
+ 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.
- side-relative-direction -- if set: get the direction from a different object, and multiply by this.
-
- direction-source -- in case side-relative-direction is set, where
- to get the direction
+ 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.
- minimum-space -- minimum distance that the victim should move
- (after padding)
-
- padding -- add this much extra space between victim and support
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
- self-alignment-X -- real number: -1 = left aligned, 0 = center, 1
- right-aligned in X direction.
+#ifndef SIDE_POSITION_INTERFACE_HH
+#define SIDE_POSITION_INTERFACE_HH
- Set to an element pointer, if you want that element to be the center.
-
- self-alignment-Y -- like self-alignment-X but for Y axis
-
- TODO: move out unrelated callbacks.
+#include "grob-interface.hh"
+#include "lily-proto.hh"
- TODO: reduce number of methods.
+/*
+ TODO: move out unrelated callbacks.
+ TODO: reduce number of methods.
*/
-struct Side_position
+struct Side_position_interface
{
public:
- static SCM side_position (SCM element, SCM axis);
- static SCM aligned_on_self (SCM element, SCM axis);
- static SCM aligned_side (SCM element, SCM axis);
- static SCM quantised_position (SCM element, SCM axis);
- static SCM centered_on_parent (SCM element, SCM axis);
- static void set_axis (Score_element*,Axis);
- static void set_minimum_space (Score_element*,Real);
- static void set_padding (Score_element*,Real);
- static Axis get_axis (Score_element*) ;
- static bool supported_b (Score_element*) ;
- static bool has_interface (Score_element*) ;
- static void add_support (Score_element*,Score_element*);
- static void add_staff_support (Score_element*);
- static Direction get_direction (Score_element*);
- static void set_direction (Score_element*,Direction);
-};
+ 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 */