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