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

   1 /*      $NetBSD: ip_term.c,v 1.3 2013/11/25 22:43:46 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 #ifndef lint
  12 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 ";
  13 #endif /* not lint */
  14
  15 #include <sys/types.h>
  16 #include <sys/queue.h>
  17
  18 #include <bitstring.h>
  19 #include <stdio.h>
  20 #include <string.h>
  21
  22 #include "../common/common.h"
  23 #include "../ipc/ip.h"
  24
  25 /*
  26  * ip_term_init --
  27  *      Initialize the terminal special keys.
  28  *
  29  * PUBLIC: int ip_term_init __P((SCR *));
  30  */
  31 int
  32 ip_term_init(SCR *sp)
  33 {
  34         SEQ *qp;
  35
  36         /*
  37          * Rework any function key mappings that were set before the
  38          * screen was initialized.
  39          */
  40         LIST_FOREACH(qp, &sp->gp->seqq, q)
  41                 if (F_ISSET(qp, SEQ_FUNCMAP))
  42                         (void)ip_fmap(sp, qp->stype,
  43                             qp->input, qp->ilen, qp->output, qp->olen);
  44         return (0);
  45 }
  46
  47 /*
  48  * ip_term_end --
  49  *      End the special keys defined by the termcap/terminfo entry.
  50  *
  51  * PUBLIC: int ip_term_end __P((GS *));
  52  */
  53 int
  54 ip_term_end(GS *gp)
  55 {
  56         SEQ *qp, *nqp;
  57
  58         /* Delete screen specific mappings. */
  59         LIST_FOREACH_SAFE(qp, &gp->seqq, q, nqp) {
  60                 if (F_ISSET(qp, SEQ_SCREEN))
  61                         (void)seq_mdel(qp);
  62         }
  63         return (0);
  64 }
  65
  66 /*
  67  * ip_fmap --
  68  *      Map a function key.
  69  *
  70  * PUBLIC: int ip_fmap __P((SCR *, seq_t, CHAR_T *, size_t, CHAR_T *, size_t));
  71  */
  72 int
  73 ip_fmap(SCR *sp, seq_t stype, CHAR_T *from, size_t flen, CHAR_T *to, size_t tlen)
  74 {
  75         /* Bind a function key to a string sequence. */
  76         return (1);
  77 }
  78
  79 /*
  80  * ip_optchange --
  81  *      IP screen specific "option changed" routine.
  82  *
  83  * PUBLIC: int ip_optchange __P((SCR *, int, const char *, u_long *));
  84  */
  85 int
  86 ip_optchange(SCR *sp, int offset, const char *str, u_long *valp)
  87 {
  88         IP_BUF ipb;
  89         OPTLIST const *opt;
  90         IP_PRIVATE *ipp = IPP(sp);
  91
  92         switch (offset) {
  93         case O_COLUMNS:
  94         case O_LINES:
  95                 F_SET(sp->gp, G_SRESTART);
  96                 F_CLR(sp, SC_SCR_EX | SC_SCR_VI);
  97                 break;
  98         case O_TERM:
  99                 /* Called with "ip_curses"; previously wasn't shown
 100                  * because switching to EX wasn't allowed
 101                 msgq(sp, M_ERR, "The screen type may not be changed");
 102                 */
 103                 return (1);
 104         }
 105
 106         opt = optlist + offset;
 107         switch (opt->type) {
 108         case OPT_0BOOL:
 109         case OPT_1BOOL:
 110         case OPT_NUM:
 111                 ipb.val1 = *valp;
 112                 ipb.len2 = 0;
 113                 break;
 114         case OPT_STR:
 115                 if (str == NULL) {
 116                         ipb.str2 = "";
 117                         ipb.len2 = 1;
 118                 } else {
 119                         ipb.str2 = str;
 120                         ipb.len2 = strlen(str) + 1;
 121                 }
 122                 break;
 123         }
 124
 125         ipb.code = SI_EDITOPT;
 126         ipb.str1 = __UNCONST(opt->name);
 127         ipb.len1 = STRLEN(opt->name) * sizeof(CHAR_T);
 128
 129         (void)vi_send(ipp->o_fd, "ab1", &ipb);
 130         return (0);
 131 }