ip/ip_term.c

   1 /*-
   2  * Copyright (c) 1996
   3  *      Keith Bostic.  All rights reserved.
   4  *
   5  * See the LICENSE file for redistribution information.
   6  */
   7
   8 #include "config.h"
   9
  10 #ifndef lint
  11 static const char sccsid[] = "$Id: ip_term.c,v 8.6 2000/06/28 20:20:37 skimo Exp $ (Berkeley) $Date: 2000/06/28 20:20:37 $";
  12 #endif /* not lint */
  13
  14 #include <sys/types.h>
  15 #include <sys/queue.h>
  16
  17 #include <bitstring.h>
  18 #include <stdio.h>
  19 #include <string.h>
  20
  21 #include "../common/common.h"
  22 #include "../ipc/ip.h"
  23 #include "extern.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(sp)
  33         SCR *sp;
  34 {
  35         SEQ *qp;
  36
  37         /*
  38          * Rework any function key mappings that were set before the
  39          * screen was initialized.
  40          */
  41         for (qp = sp->gp->seqq.lh_first; qp != NULL; qp = qp->q.le_next)
  42                 if (F_ISSET(qp, SEQ_FUNCMAP))
  43                         (void)ip_fmap(sp, qp->stype,
  44                             qp->input, qp->ilen, qp->output, qp->olen);
  45         return (0);
  46 }
  47
  48 /*
  49  * ip_term_end --
  50  *      End the special keys defined by the termcap/terminfo entry.
  51  *
  52  * PUBLIC: int ip_term_end __P((GS *));
  53  */
  54 int
  55 ip_term_end(gp)
  56         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(sp, stype, from, flen, to, tlen)
  77         SCR *sp;
  78         seq_t stype;
  79         CHAR_T *from, *to;
  80         size_t flen, tlen;
  81 {
  82         /* Bind a function key to a string sequence. */
  83         return (1);
  84 }
  85
  86 /*
  87  * ip_optchange --
  88  *      IP screen specific "option changed" routine.
  89  *
  90  * PUBLIC: int ip_optchange __P((SCR *, int, char *, u_long *));
  91  */
  92 int
  93 ip_optchange(sp, offset, str, valp)
  94         SCR *sp;
  95         int offset;
  96         char *str;
  97         u_long *valp;
  98 {
  99         IP_BUF ipb;
 100         OPTLIST const *opt;
 101         IP_PRIVATE *ipp = IPP(sp);
 102
 103         switch (offset) {
 104         case O_COLUMNS:
 105         case O_LINES:
 106                 F_SET(sp->gp, G_SRESTART);
 107                 F_CLR(sp, SC_SCR_EX | SC_SCR_VI);
 108                 break;
 109         case O_TERM:
 110                 msgq(sp, M_ERR, "The screen type may not be changed");
 111                 return (1);
 112         }
 113
 114         opt = optlist + offset;
 115         switch (opt->type) {
 116         case OPT_0BOOL:
 117         case OPT_1BOOL:
 118         case OPT_NUM:
 119                 ipb.val1 = *valp;
 120                 ipb.len2 = 0;
 121                 break;
 122         case OPT_STR:
 123                 if (str == NULL) {
 124                         ipb.str2 = "";
 125                         ipb.len2 = 1;
 126                 } else {
 127                         ipb.str2 = str;
 128                         ipb.len2 = strlen(str) + 1;
 129                 }
 130                 break;
 131         }
 132
 133         ipb.code = SI_EDITOPT;
 134         ipb.str1 = opt->name;
 135         ipb.len1 = strlen(opt->name);
 136
 137         (void)vi_send(ipp->o_fd, "ab1", &ipb);
 138         return (0);
 139 }