| 1 | /* keymaps.h -- Manipulation of readline keymaps. */ |
| 2 | |
| 3 | /* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of the GNU Readline Library, a library for |
| 6 | reading lines of text with interactive input and history editing. |
| 7 | |
| 8 | The GNU Readline Library is free software; you can redistribute it |
| 9 | and/or modify it under the terms of the GNU General Public License |
| 10 | as published by the Free Software Foundation; either version 1, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | The GNU Readline Library is distributed in the hope that it will be |
| 14 | useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
| 15 | of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | The GNU General Public License is often shipped with GNU software, and |
| 19 | is generally kept in a file called COPYING or LICENSE. If you do not |
| 20 | have a copy of the license, write to the Free Software Foundation, |
| 21 | 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 22 | |
| 23 | #ifndef _KEYMAPS_H_ |
| 24 | #define _KEYMAPS_H_ |
| 25 | |
| 26 | #if defined (READLINE_LIBRARY) |
| 27 | # include "rlstdc.h" |
| 28 | # include "chardefs.h" |
| 29 | #else |
| 30 | # include <readline/rlstdc.h> |
| 31 | # include <readline/chardefs.h> |
| 32 | #endif |
| 33 | |
| 34 | #if !defined (_FUNCTION_DEF) |
| 35 | # define _FUNCTION_DEF |
| 36 | typedef int Function (); |
| 37 | typedef void VFunction (); |
| 38 | typedef char *CPFunction (); |
| 39 | typedef char **CPPFunction (); |
| 40 | #endif |
| 41 | |
| 42 | /* A keymap contains one entry for each key in the ASCII set. |
| 43 | Each entry consists of a type and a pointer. |
| 44 | FUNCTION is the address of a function to run, or the |
| 45 | address of a keymap to indirect through. |
| 46 | TYPE says which kind of thing FUNCTION is. */ |
| 47 | typedef struct _keymap_entry { |
| 48 | char type; |
| 49 | Function *function; |
| 50 | } KEYMAP_ENTRY; |
| 51 | |
| 52 | /* This must be large enough to hold bindings for all of the characters |
| 53 | in a desired character set (e.g, 128 for ASCII, 256 for ISO Latin-x, |
| 54 | and so on). */ |
| 55 | #define KEYMAP_SIZE 256 |
| 56 | |
| 57 | /* I wanted to make the above structure contain a union of: |
| 58 | union { Function *function; struct _keymap_entry *keymap; } value; |
| 59 | but this made it impossible for me to create a static array. |
| 60 | Maybe I need C lessons. */ |
| 61 | |
| 62 | typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[KEYMAP_SIZE]; |
| 63 | typedef KEYMAP_ENTRY *Keymap; |
| 64 | |
| 65 | /* The values that TYPE can have in a keymap entry. */ |
| 66 | #define ISFUNC 0 |
| 67 | #define ISKMAP 1 |
| 68 | #define ISMACR 2 |
| 69 | |
| 70 | extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap, emacs_meta_keymap, emacs_ctlx_keymap; |
| 71 | extern KEYMAP_ENTRY_ARRAY vi_insertion_keymap, vi_movement_keymap; |
| 72 | |
| 73 | /* Return a new, empty keymap. |
| 74 | Free it with free() when you are done. */ |
| 75 | extern Keymap rl_make_bare_keymap __P((void)); |
| 76 | |
| 77 | /* Return a new keymap which is a copy of MAP. */ |
| 78 | extern Keymap rl_copy_keymap __P((Keymap)); |
| 79 | |
| 80 | /* Return a new keymap with the printing characters bound to rl_insert, |
| 81 | the lowercase Meta characters bound to run their equivalents, and |
| 82 | the Meta digits bound to produce numeric arguments. */ |
| 83 | extern Keymap rl_make_keymap __P((void)); |
| 84 | |
| 85 | /* Free the storage associated with a keymap. */ |
| 86 | extern void rl_discard_keymap __P((Keymap)); |
| 87 | |
| 88 | /* These functions actually appear in bind.c */ |
| 89 | |
| 90 | /* Return the keymap corresponding to a given name. Names look like |
| 91 | `emacs' or `emacs-meta' or `vi-insert'. */ |
| 92 | extern Keymap rl_get_keymap_by_name __P((char *)); |
| 93 | |
| 94 | /* Return the current keymap. */ |
| 95 | extern Keymap rl_get_keymap __P((void)); |
| 96 | |
| 97 | /* Set the current keymap to MAP. */ |
| 98 | extern void rl_set_keymap __P((Keymap)); |
| 99 | |
| 100 | #endif /* _KEYMAPS_H_ */ |