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/* keymaps.h -- Manipulation of readline keymaps. */
/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
This file is part of the GNU Readline Library, a library for
reading lines of text with interactive input and history editing.
The GNU Readline Library 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 1, or
(at your option) any later version.
The GNU Readline Library 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.
The GNU General Public License is often shipped with GNU software, and
is generally kept in a file called COPYING or LICENSE. If you do not
have a copy of the license, write to the Free Software Foundation,
675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef _KEYMAPS_H_
#define _KEYMAPS_H_
#include <readline/chardefs.h>
#ifndef __FUNCTION_DEF
typedef int Function ();
#define __FUNCTION_DEF
#endif
/* A keymap contains one entry for each key in the ASCII set.
Each entry consists of a type and a pointer.
POINTER is the address of a function to run, or the
address of a keymap to indirect through.
TYPE says which kind of thing POINTER is. */
typedef struct _keymap_entry {
char type;
Function *function;
} KEYMAP_ENTRY;
/* This must be large enough to hold bindings for all of the characters
in a desired character set (e.g, 128 for ASCII, 256 for ISO Latin-x,
and so on). */
#define KEYMAP_SIZE 256
/* I wanted to make the above structure contain a union of:
union { Function *function; struct _keymap_entry *keymap; } value;
but this made it impossible for me to create a static array.
Maybe I need C lessons. */
typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[KEYMAP_SIZE];
typedef KEYMAP_ENTRY *Keymap;
/* The values that TYPE can have in a keymap entry. */
#define ISFUNC 0
#define ISKMAP 1
#define ISMACR 2
extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap, emacs_meta_keymap, emacs_ctlx_keymap;
extern KEYMAP_ENTRY_ARRAY vi_insertion_keymap, vi_movement_keymap;
/* Return a new, empty keymap.
Free it with free() when you are done. */
Keymap rl_make_bare_keymap ();
/* Return a new keymap which is a copy of MAP. */
Keymap rl_copy_keymap ();
/* Return a new keymap with the printing characters bound to rl_insert,
the lowercase Meta characters bound to run their equivalents, and
the Meta digits bound to produce numeric arguments. */
Keymap rl_make_keymap ();
/* Return the keymap corresponding to a given name. Names look like
`emacs' or `emacs-meta' or `vi-insert'. */
Keymap rl_get_keymap_by_name ();
/* Return the current keymap. */
Keymap rl_get_keymap ();
/* Set the current keymap to MAP. */
void rl_set_keymap ();
#endif /* _KEYMAPS_H_ */
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