minix/external/bsd/nvi/dist/ip/ip_term.c

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/* $NetBSD: ip_term.c,v 1.3 2013/11/25 22:43:46 christos Exp $ */
/*-
* Copyright (c) 1996
* Keith Bostic. All rights reserved.
*
* See the LICENSE file for redistribution information.
*/
#include "config.h"
#ifndef lint
static const char sccsid[] = "Id: ip_term.c,v 8.9 2001/06/25 15:19:24 skimo Exp (Berkeley) Date: 2001/06/25 15:19:24 ";
#endif /* not lint */
#include <sys/types.h>
#include <sys/queue.h>
#include <bitstring.h>
#include <stdio.h>
#include <string.h>
#include "../common/common.h"
#include "../ipc/ip.h"
/*
* ip_term_init --
* Initialize the terminal special keys.
*
* PUBLIC: int ip_term_init __P((SCR *));
*/
int
ip_term_init(SCR *sp)
{
SEQ *qp;
/*
* Rework any function key mappings that were set before the
* screen was initialized.
*/
LIST_FOREACH(qp, &sp->gp->seqq, q)
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(GS *gp)
{
SEQ *qp, *nqp;
/* Delete screen specific mappings. */
LIST_FOREACH_SAFE(qp, &gp->seqq, q, nqp) {
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(SCR *sp, seq_t stype, CHAR_T *from, size_t flen, CHAR_T *to, size_t 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, const char *, u_long *));
*/
int
ip_optchange(SCR *sp, int offset, const char *str, u_long *valp)
{
IP_BUF ipb;
OPTLIST const *opt;
IP_PRIVATE *ipp = IPP(sp);
switch (offset) {
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:
/* Called with "ip_curses"; previously wasn't shown
* because switching to EX wasn't allowed
msgq(sp, M_ERR, "The screen type may not be changed");
*/
return (1);
}
opt = optlist + offset;
switch (opt->type) {
case OPT_0BOOL:
case OPT_1BOOL:
case OPT_NUM:
ipb.val1 = *valp;
ipb.len2 = 0;
break;
case OPT_STR:
if (str == NULL) {
ipb.str2 = "";
ipb.len2 = 1;
} else {
ipb.str2 = str;
ipb.len2 = strlen(str) + 1;
}
break;
}
ipb.code = SI_EDITOPT;
ipb.str1 = __UNCONST(opt->name);
ipb.len1 = STRLEN(opt->name) * sizeof(CHAR_T);
(void)vi_send(ipp->o_fd, "ab1", &ipb);
return (0);
}