old-cross-binutils/readline/keymaps.h
K. Richard Pixley bd5635a1e2 Initial revision
1991-03-28 16:26:26 +00:00

53 lines
1.5 KiB
C

/* keymaps.h -- Manipulation of readline keymaps. */
#ifndef _KEYMAPS_H_
#define _KEYMAPS_H_
#include <readline/chardefs.h>
#ifndef __FUNCTION_DEF
typedef int Function ();
#define __FUNCTION_DEF
#endif
/* A keymap contains one entry for each key in the ASCII set.
Each entry consists of a type and a pointer.
POINTER is the address of a function to run, or the
address of a keymap to indirect through.
TYPE says which kind of thing POINTER is. */
typedef struct _keymap_entry {
char type;
Function *function;
} KEYMAP_ENTRY;
/* 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[128];
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. */
Keymap rl_make_bare_keymap ();
/* Return a new keymap which is a copy of MAP. */
Keymap rl_copy_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. */
Keymap rl_make_keymap ();
#endif /* _KEYMAPS_H_ */