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

   1 /*      $NetBSD: ip_term.c,v 1.4 2014/01/26 21:43:45 christos Exp $     */
   2 /*-
   3  * Copyright (c) 1996
   4  *      Keith Bostic.  All rights reserved.
   5  *
   6  * See the LICENSE file for redistribution information.
   7  */
   8
   9 #include "config.h"
  10
  11 #include <sys/cdefs.h>
  12 #if 0
  13 #ifndef lint
  14 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 ";
  15 #endif /* not lint */
  16 #else
  17 __RCSID("$NetBSD: ip_term.c,v 1.4 2014/01/26 21:43:45 christos Exp $");
  18 #endif
  19
  20 #include <sys/types.h>
  21 #include <sys/queue.h>
  22
  23 #include <bitstring.h>
  24 #include <stdio.h>
  25 #include <string.h>
  26
  27 #include "../common/common.h"
  28 #include "../ipc/ip.h"
  29
  30 /*
  31  * ip_term_init --
  32  *      Initialize the terminal special keys.
  33  *
  34  * PUBLIC: int ip_term_init __P((SCR *));
  35  */
  36 int
  37 ip_term_init(SCR *sp)
  38 {
  39         SEQ *qp;
  40
  41         /*
  42          * Rework any function key mappings that were set before the
  43          * screen was initialized.
  44          */
  45         LIST_FOREACH(qp, &sp->gp->seqq, q)
  46                 if (F_ISSET(qp, SEQ_FUNCMAP))
  47                         (void)ip_fmap(sp, qp->stype,
  48                             qp->input, qp->ilen, qp->output, qp->olen);
  49         return (0);
  50 }
  51
  52 /*
  53  * ip_term_end --
  54  *      End the special keys defined by the termcap/terminfo entry.
  55  *
  56  * PUBLIC: int ip_term_end __P((GS *));
  57  */
  58 int
  59 ip_term_end(GS *gp)
  60 {
  61         SEQ *qp, *nqp;
  62
  63         /* Delete screen specific mappings. */
  64         LIST_FOREACH_SAFE(qp, &gp->seqq, q, nqp) {
  65                 if (F_ISSET(qp, SEQ_SCREEN))
  66                         (void)seq_mdel(qp);
  67         }
  68         return (0);
  69 }
  70
  71 /*
  72  * ip_fmap --
  73  *      Map a function key.
  74  *
  75  * PUBLIC: int ip_fmap __P((SCR *, seq_t, CHAR_T *, size_t, CHAR_T *, size_t));
  76  */
  77 int
  78 ip_fmap(SCR *sp, seq_t stype, CHAR_T *from, size_t flen, CHAR_T *to, size_t tlen)
  79 {
  80         /* Bind a function key to a string sequence. */
  81         return (1);
  82 }
  83
  84 /*
  85  * ip_optchange --
  86  *      IP screen specific "option changed" routine.
  87  *
  88  * PUBLIC: int ip_optchange __P((SCR *, int, const char *, u_long *));
  89  */
  90 int
  91 ip_optchange(SCR *sp, int offset, const char *str, u_long *valp)
  92 {
  93         IP_BUF ipb;
  94         OPTLIST const *opt;
  95         IP_PRIVATE *ipp = IPP(sp);
  96
  97         switch (offset) {
  98         case O_COLUMNS:
  99         case O_LINES:
 100                 F_SET(sp->gp, G_SRESTART);
 101                 F_CLR(sp, SC_SCR_EX | SC_SCR_VI);
 102                 break;
 103         case O_TERM:
 104                 /* Called with "ip_curses"; previously wasn't shown
 105                  * because switching to EX wasn't allowed
 106                 msgq(sp, M_ERR, "The screen type may not be changed");
 107                 */
 108                 return (1);
 109         }
 110
 111         opt = optlist + offset;
 112         switch (opt->type) {
 113         case OPT_0BOOL:
 114         case OPT_1BOOL:
 115         case OPT_NUM:
 116                 ipb.val1 = *valp;
 117                 ipb.len2 = 0;
 118                 break;
 119         case OPT_STR:
 120                 if (str == NULL) {
 121                         ipb.str2 = "";
 122                         ipb.len2 = 1;
 123                 } else {
 124                         ipb.str2 = str;
 125                         ipb.len2 = strlen(str) + 1;
 126                 }
 127                 break;
 128         }
 129
 130         ipb.code = SI_EDITOPT;
 131         ipb.str1 = __UNCONST(opt->name);
 132         ipb.len1 = STRLEN(opt->name) * sizeof(CHAR_T);
 133
 134         (void)vi_send(ipp->o_fd, "ab1", &ipb);
 135         return (0);
 136 }