Mercurial > octave-nkf
comparison readline/keymaps.h @ 2996:9d4e3a9de17e
[project @ 1997-05-22 20:58:07 by jwe]
author | jwe |
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date | Thu, 22 May 1997 20:59:27 +0000 |
parents | |
children | f7e4a95916f2 |
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2995:953ce4558485 | 2996:9d4e3a9de17e |
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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 "chardefs.h" | |
28 #else | |
29 # include <readline/chardefs.h> | |
30 #endif | |
31 | |
32 #if !defined (_FUNCTION_DEF) | |
33 # define _FUNCTION_DEF | |
34 typedef int Function (); | |
35 typedef void VFunction (); | |
36 typedef char *CPFunction (); | |
37 typedef char **CPPFunction (); | |
38 #endif | |
39 | |
40 /* A keymap contains one entry for each key in the ASCII set. | |
41 Each entry consists of a type and a pointer. | |
42 POINTER is the address of a function to run, or the | |
43 address of a keymap to indirect through. | |
44 TYPE says which kind of thing POINTER is. */ | |
45 typedef struct _keymap_entry { | |
46 char type; | |
47 Function *function; | |
48 } KEYMAP_ENTRY; | |
49 | |
50 /* This must be large enough to hold bindings for all of the characters | |
51 in a desired character set (e.g, 128 for ASCII, 256 for ISO Latin-x, | |
52 and so on). */ | |
53 #define KEYMAP_SIZE 256 | |
54 | |
55 /* I wanted to make the above structure contain a union of: | |
56 union { Function *function; struct _keymap_entry *keymap; } value; | |
57 but this made it impossible for me to create a static array. | |
58 Maybe I need C lessons. */ | |
59 | |
60 typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[KEYMAP_SIZE]; | |
61 typedef KEYMAP_ENTRY *Keymap; | |
62 | |
63 /* The values that TYPE can have in a keymap entry. */ | |
64 #define ISFUNC 0 | |
65 #define ISKMAP 1 | |
66 #define ISMACR 2 | |
67 | |
68 extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap, emacs_meta_keymap, emacs_ctlx_keymap; | |
69 extern KEYMAP_ENTRY_ARRAY vi_insertion_keymap, vi_movement_keymap; | |
70 | |
71 /* Return a new, empty keymap. | |
72 Free it with free() when you are done. */ | |
73 extern Keymap rl_make_bare_keymap (); | |
74 | |
75 /* Return a new keymap which is a copy of MAP. */ | |
76 extern Keymap rl_copy_keymap (); | |
77 | |
78 /* Return a new keymap with the printing characters bound to rl_insert, | |
79 the lowercase Meta characters bound to run their equivalents, and | |
80 the Meta digits bound to produce numeric arguments. */ | |
81 extern Keymap rl_make_keymap (); | |
82 | |
83 extern void rl_discard_keymap (); | |
84 | |
85 /* Return the keymap corresponding to a given name. Names look like | |
86 `emacs' or `emacs-meta' or `vi-insert'. */ | |
87 extern Keymap rl_get_keymap_by_name (); | |
88 | |
89 /* Return the current keymap. */ | |
90 extern Keymap rl_get_keymap (); | |
91 | |
92 /* Set the current keymap to MAP. */ | |
93 extern void rl_set_keymap (); | |
94 | |
95 #endif /* _KEYMAPS_H_ */ |