dist/nvi/ip/ip_term.c

   1 /*      $NetBSD$ */
   2
   3 /*-
   4  * Copyright (c) 1996
   5  *      Keith Bostic.  All rights reserved.
   6  *
   7  * See the LICENSE file for redistribution information.
   8  */
   9
  10 #include "config.h"
  11
  12 #ifndef lint
  13 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";
  14 #endif /* not lint */
  15
  16 #include <sys/types.h>
  17 #include <sys/queue.h>
  18
  19 #include <bitstring.h>
  20 #include <stdio.h>
  21 #include <string.h>
  22
  23 #include "../common/common.h"
  24 #include "../ipc/ip.h"
  25 #include "extern.h"
  26
  27 /*
  28  * ip_term_init --
  29  *      Initialize the terminal special keys.
  30  *
  31  * PUBLIC: int ip_term_init __P((SCR *));
  32  */
  33 int
  34 ip_term_init(SCR *sp)
  35 {
  36         SEQ *qp;
  37
  38         /*
  39          * Rework any function key mappings that were set before the
  40          * screen was initialized.
  41          */
  42         for (qp = sp->gp->seqq.lh_first; qp != NULL; qp = qp->q.le_next)
  43                 if (F_ISSET(qp, SEQ_FUNCMAP))
  44                         (void)ip_fmap(sp, qp->stype,
  45                             qp->input, qp->ilen, qp->output, qp->olen);
  46         return (0);
  47 }
  48
  49 /*
  50  * ip_term_end --
  51  *      End the special keys defined by the termcap/terminfo entry.
  52  *
  53  * PUBLIC: int ip_term_end __P((GS *));
  54  */
  55 int
  56 ip_term_end(GS *gp)
  57 {
  58         SEQ *qp, *nqp;
  59
  60         /* Delete screen specific mappings. */
  61         for (qp = gp->seqq.lh_first; qp != NULL; qp = nqp) {
  62                 nqp = qp->q.le_next;
  63                 if (F_ISSET(qp, SEQ_SCREEN))
  64                         (void)seq_mdel(qp);
  65         }
  66         return (0);
  67 }
  68
  69 /*
  70  * ip_fmap --
  71  *      Map a function key.
  72  *
  73  * PUBLIC: int ip_fmap __P((SCR *, seq_t, CHAR_T *, size_t, CHAR_T *, size_t));
  74  */
  75 int
  76 ip_fmap(SCR *sp, seq_t stype, CHAR_T *from, size_t flen, CHAR_T *to, size_t tlen)
  77 {
  78         /* Bind a function key to a string sequence. */
  79         return (1);
  80 }
  81
  82 /*
  83  * ip_optchange --
  84  *      IP screen specific "option changed" routine.
  85  *
  86  * PUBLIC: int ip_optchange __P((SCR *, int, char *, u_long *));
  87  */
  88 int
  89 ip_optchange(SCR *sp, int offset, char *str, u_long *valp)
  90 {
  91         IP_BUF ipb;
  92         OPTLIST const *opt;
  93         IP_PRIVATE *ipp = IPP(sp);
  94         char *np;
  95         size_t nlen;
  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 = (char*)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 }