-/*
+/*
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>
-
- */
+
+ (c) 1999--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
#ifndef SIDE_POSITION_INTERFACE_HH
#define SIDE_POSITION_INTERFACE_HH
#include "spanner.hh"
#include "item.hh"
+/*
+ TODO: move out unrelated callbacks.
-/**
- Position victim object (ELT_L_) next to other objects (the support).
-
- side-support -- list of score elements
-
- direction -- where to put the victim object (left or right?)
-
- 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
-
- minimum-space -- minimum distance that the victim should move
- (after padding)
-
- padding -- add this much extra space between victim and support
-
- 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 (Score_element const *, Axis);
- static Real aligned_on_self (Score_element const *, Axis);
- static Real aligned_side (Score_element const *, Axis);
- static Real quantised_position (Score_element const*, Axis);
- static Real centered_on_parent (Score_element const*, Axis);
- void set_axis (Axis);
- void set_minimum_space (Real);
- void set_padding (Real);
- 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);
-};
+ DECLARE_SCHEME_CALLBACK (y_aligned_on_support_refpoints, (SCM element));
+ DECLARE_SCHEME_CALLBACK (x_aligned_side, (SCM element));
+ DECLARE_SCHEME_CALLBACK (y_aligned_side, (SCM element));
+ static SCM Side_position_interface::aligned_side (Grob*me, Axis a);
+
+ static SCM general_side_position (Grob *, Axis, bool);
+ static Axis get_axis (Grob *);
+ static void set_axis (Grob *, Axis);
+ static bool has_interface (Grob *);
+ static void add_support (Grob *, Grob *);
+ static void add_staff_support (Grob *);
+ static Direction get_direction (Grob *);
+};
#endif /* SIDE_POSITION_INTERFACE_HH */