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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 (Readline), a library
for reading lines of text with interactive input and history editing.
Readline 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.
Readline 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 Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _KEYMAPS_H_
#define _KEYMAPS_H_
#ifdef __cplusplus
extern "C" {
#endif
#if defined (READLINE_LIBRARY)
# include "rlstdc.h"
# include "chardefs.h"
# include "rltypedefs.h"
#else
# include <readline/rlstdc.h>
# include <readline/chardefs.h>
# include <readline/rltypedefs.h>
#endif
/* A keymap contains one entry for each key in the ASCII set.
Each entry consists of a type and a pointer.
FUNCTION is the address of a function to run, or the
address of a keymap to indirect through.
TYPE says which kind of thing FUNCTION is. */
typedef struct _keymap_entry {
char type;
rl_command_func_t *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) plus one for subsequence matching. */
#define KEYMAP_SIZE 257
#define ANYOTHERKEY KEYMAP_SIZE-1
/* I wanted to make the above structure contain a union of:
union { rl_command_func_t *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. */
extern Keymap rl_make_bare_keymap PARAMS((void));
/* Return a new keymap which is a copy of MAP. */
extern Keymap rl_copy_keymap PARAMS((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. */
extern Keymap rl_make_keymap PARAMS((void));
/* Free the storage associated with a keymap. */
extern void rl_discard_keymap PARAMS((Keymap));
/* These functions actually appear in bind.c */
/* Return the keymap corresponding to a given name. Names look like
`emacs' or `emacs-meta' or `vi-insert'. */
extern Keymap rl_get_keymap_by_name PARAMS((const char *));
/* Return the current keymap. */
extern Keymap rl_get_keymap PARAMS((void));
/* Set the current keymap to MAP. */
extern void rl_set_keymap PARAMS((Keymap));
#ifdef __cplusplus
}
#endif
#endif /* _KEYMAPS_H_ */
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