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103 lines
3.4 KiB
C
103 lines
3.4 KiB
C
/* keymaps.h -- Manipulation of readline keymaps. */
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/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
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This file is part of the GNU Readline Library, a library for
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reading lines of text with interactive input and history editing.
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The GNU Readline Library is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2, or
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(at your option) any later version.
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The GNU Readline Library is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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The GNU General Public License is often shipped with GNU software, and
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is generally kept in a file called COPYING or LICENSE. If you do not
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have a copy of the license, write to the Free Software Foundation,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA. */
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#ifndef _KEYMAPS_H_
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#define _KEYMAPS_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined (READLINE_LIBRARY)
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# include "rlstdc.h"
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# include "chardefs.h"
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# include "rltypedefs.h"
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#else
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# include <rlstdc.h>
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# include <chardefs.h>
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# include <rltypedefs.h>
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#endif
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/* A keymap contains one entry for each key in the ASCII set.
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Each entry consists of a type and a pointer.
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FUNCTION is the address of a function to run, or the
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address of a keymap to indirect through.
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TYPE says which kind of thing FUNCTION is. */
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typedef struct _keymap_entry {
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char type;
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rl_command_func_t *function;
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} KEYMAP_ENTRY;
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/* This must be large enough to hold bindings for all of the characters
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in a desired character set (e.g, 128 for ASCII, 256 for ISO Latin-x,
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and so on) plus one for subsequence matching. */
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#define KEYMAP_SIZE 257
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#define ANYOTHERKEY KEYMAP_SIZE-1
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/* I wanted to make the above structure contain a union of:
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union { rl_command_func_t *function; struct _keymap_entry *keymap; } value;
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but this made it impossible for me to create a static array.
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Maybe I need C lessons. */
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typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[KEYMAP_SIZE];
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typedef KEYMAP_ENTRY *Keymap;
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/* The values that TYPE can have in a keymap entry. */
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#define ISFUNC 0
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#define ISKMAP 1
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#define ISMACR 2
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extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap, emacs_meta_keymap, emacs_ctlx_keymap;
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extern KEYMAP_ENTRY_ARRAY vi_insertion_keymap, vi_movement_keymap;
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/* Return a new, empty keymap.
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Free it with free() when you are done. */
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extern Keymap rl_make_bare_keymap PARAMS((void));
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/* Return a new keymap which is a copy of MAP. */
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extern Keymap rl_copy_keymap PARAMS((Keymap));
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/* Return a new keymap with the printing characters bound to rl_insert,
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the lowercase Meta characters bound to run their equivalents, and
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the Meta digits bound to produce numeric arguments. */
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extern Keymap rl_make_keymap PARAMS((void));
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/* Free the storage associated with a keymap. */
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extern void rl_discard_keymap PARAMS((Keymap));
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/* These functions actually appear in bind.c */
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/* Return the keymap corresponding to a given name. Names look like
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`emacs' or `emacs-meta' or `vi-insert'. */
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extern Keymap rl_get_keymap_by_name PARAMS((const char *));
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/* Return the current keymap. */
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extern Keymap rl_get_keymap PARAMS((void));
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/* Set the current keymap to MAP. */
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extern void rl_set_keymap PARAMS((Keymap));
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#ifdef __cplusplus
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}
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#endif
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#endif /* _KEYMAPS_H_ */
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