freebsd-dev/contrib/nvi/ip/ip_term.c

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/*-
* Copyright (c) 1996
* Keith Bostic. All rights reserved.
*
* See the LICENSE file for redistribution information.
*/
#include "config.h"
#ifndef lint
static const char sccsid[] = "@(#)ip_term.c 8.2 (Berkeley) 10/13/96";
#endif /* not lint */
#include <sys/types.h>
#include <sys/queue.h>
#include <bitstring.h>
#include <stdio.h>
#include "../common/common.h"
#include "ip.h"
/*
* ip_term_init --
* Initialize the terminal special keys.
*
* PUBLIC: int ip_term_init __P((SCR *));
*/
int
ip_term_init(sp)
SCR *sp;
{
SEQ *qp;
/*
* Rework any function key mappings that were set before the
* screen was initialized.
*/
for (qp = sp->gp->seqq.lh_first; qp != NULL; qp = qp->q.le_next)
if (F_ISSET(qp, SEQ_FUNCMAP))
(void)ip_fmap(sp, qp->stype,
qp->input, qp->ilen, qp->output, qp->olen);
return (0);
}
/*
* ip_term_end --
* End the special keys defined by the termcap/terminfo entry.
*
* PUBLIC: int ip_term_end __P((GS *));
*/
int
ip_term_end(gp)
GS *gp;
{
SEQ *qp, *nqp;
/* Delete screen specific mappings. */
for (qp = gp->seqq.lh_first; qp != NULL; qp = nqp) {
nqp = qp->q.le_next;
if (F_ISSET(qp, SEQ_SCREEN))
(void)seq_mdel(qp);
}
return (0);
}
/*
* ip_fmap --
* Map a function key.
*
* PUBLIC: int ip_fmap __P((SCR *, seq_t, CHAR_T *, size_t, CHAR_T *, size_t));
*/
int
ip_fmap(sp, stype, from, flen, to, tlen)
SCR *sp;
seq_t stype;
CHAR_T *from, *to;
size_t flen, tlen;
{
/* Bind a function key to a string sequence. */
return (1);
}
/*
* ip_optchange --
* IP screen specific "option changed" routine.
*
* PUBLIC: int ip_optchange __P((SCR *, int, char *, u_long *));
*/
int
ip_optchange(sp, opt, str, valp)
SCR *sp;
int opt;
char *str;
u_long *valp;
{
switch (opt) {
case O_COLUMNS:
case O_LINES:
F_SET(sp->gp, G_SRESTART);
F_CLR(sp, SC_SCR_EX | SC_SCR_VI);
break;
case O_TERM:
msgq(sp, M_ERR, "The screen type may not be changed");
return (1);
}
return (0);
}