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[unix-history] / gnu / usr.bin / kgdb / readline / keymaps.h
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1/* keymaps.h -- Manipulation of readline keymaps. */
2
3#ifndef _KEYMAPS_H_
4#define _KEYMAPS_H_
5
6#include <readline/chardefs.h>
7
8#ifndef __FUNCTION_DEF
9typedef int Function ();
10#define __FUNCTION_DEF
11#endif
12
13/* A keymap contains one entry for each key in the ASCII set.
14 Each entry consists of a type and a pointer.
15 POINTER is the address of a function to run, or the
16 address of a keymap to indirect through.
17 TYPE says which kind of thing POINTER is. */
18typedef struct _keymap_entry {
19 char type;
20 Function *function;
21} KEYMAP_ENTRY;
22
23/* I wanted to make the above structure contain a union of:
24 union { Function *function; struct _keymap_entry *keymap; } value;
25 but this made it impossible for me to create a static array.
26 Maybe I need C lessons. */
27
28typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[128];
29typedef KEYMAP_ENTRY *Keymap;
30
31/* The values that TYPE can have in a keymap entry. */
32#define ISFUNC 0
33#define ISKMAP 1
34#define ISMACR 2
35
36extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap, emacs_meta_keymap, emacs_ctlx_keymap;
37extern KEYMAP_ENTRY_ARRAY vi_insertion_keymap, vi_movement_keymap;
38
39/* Return a new, empty keymap.
40 Free it with free() when you are done. */
41Keymap rl_make_bare_keymap ();
42
43/* Return a new keymap which is a copy of MAP. */
44Keymap rl_copy_keymap ();
45
46/* Return a new keymap with the printing characters bound to rl_insert,
47 the lowercase Meta characters bound to run their equivalents, and
48 the Meta digits bound to produce numeric arguments. */
49Keymap rl_make_keymap ();
50
51#endif /* _KEYMAPS_H_ */
52
53