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uemacs/names.h
Renaud Fivet b4d69118f5 Revise header files formatting.
Finish tagging BBINDABLE functions.
Modify forward-character to handle combined Unicode.
Bump up version number and set default program name as 'ue'.
2021-08-13 11:06:58 +08:00

63 lines
1.9 KiB
C

/* names.h -- mapping of functions to names and keys */
#ifndef _NAMES_H_
#define _NAMES_H_
#include "retcode.h"
#define CTL_ 0x01000000 /* Control flag, or'ed in */
#define META 0x02000000 /* Meta flag, or'ed in */
#define CTLX 0x04000000 /* ^X flag, or'ed in */
#define SPEC 0x08000000 /* special key (function keys) */
#define PRFXMASK 0x0F000000 /* prefix mask */
/* Bindable uEMACS function pointer type and definition template */
#define BINDABLE( fname) int fname( boolean f, int n)
#define BBINDABLE( fname) boolean fname( boolean f, int n)
#define TBINDABLE BBINDABLE
typedef BINDABLE( (*fnp_t)) ;
/* Structure for the name binding table. */
typedef struct {
const char *n_name ; /* name starting with one tag character */
fnp_t n_func ; /* function the name is bound to */
unsigned n_keycode ; /* default key assignment, 0 when none */
} name_bind ;
typedef const name_bind *nbind_p ;
#define bind_name( p) (&( p)->n_name[ 1])
#define bind_tag( p) ( p)->n_name[ 0]
/* Structure for the key bindings table. */
typedef struct {
unsigned k_code ; /* Key code */
nbind_p k_nbp ; /* entry in name to function map table */
} *kbind_p ;
extern const name_bind names[] ; /* name to function mapping table */
extern kbind_p keytab ; /* key bind to functions table */
boolean init_bindings( void) ;
kbind_p setkeybinding( unsigned key, nbind_p nbp) ;
boolean delkeybinding( unsigned key) ;
kbind_p getkeybinding( unsigned key) ; /* look up by key code */
/* find a name to function association in the name to function mapping table */
nbind_p fncmatch( char *name) ; /* look up by name */
/* bindable functions mapped to prefix keys and hooks */
TBINDABLE( nullproc) ;
TBINDABLE( metafn) ;
TBINDABLE( cex) ;
TBINDABLE( unarg) ;
#endif
/* end of names.h */