keymaps.h
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上传日期:2007-04-14
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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_
- #if defined (READLINE_LIBRARY)
- # include "rlstdc.h"
- # include "chardefs.h"
- #else
- # include <readline/rlstdc.h>
- # include <readline/chardefs.h>
- #endif
- #if !defined (_FUNCTION_DEF)
- # define _FUNCTION_DEF
- typedef int Function ();
- typedef void VFunction ();
- typedef char *CPFunction ();
- typedef char **CPPFunction ();
- #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;
- 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. */
- extern Keymap rl_make_bare_keymap __P((void));
- /* Return a new keymap which is a copy of MAP. */
- extern Keymap rl_copy_keymap __P((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 __P((void));
- /* Free the storage associated with a keymap. */
- extern void rl_discard_keymap __P((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 __P((char *));
- /* Return the current keymap. */
- extern Keymap rl_get_keymap __P((void));
- /* Set the current keymap to MAP. */
- extern void rl_set_keymap __P((Keymap));
- #endif /* _KEYMAPS_H_ */