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 8.9 2001/06/25 15:19:24 skimo Exp $ (Berkeley) $Date: 2001/06/25 15:19:24 $";
  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(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         for (qp = sp->gp->seqq.lh_first; qp != NULL; qp = qp->q.le_next)
  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         for (qp = gp->seqq.lh_first; qp != NULL; qp = nqp) {
  60                 nqp = qp->q.le_next;
  61                 if (F_ISSET(qp, SEQ_SCREEN))
  62                         (void)seq_mdel(qp);
  63         }
  64         return (0);
  65 }
  66
  67 /*
  68  * ip_fmap --
  69  *      Map a function key.
  70  *
  71  * PUBLIC: int ip_fmap __P((SCR *, seq_t, CHAR_T *, size_t, CHAR_T *, size_t));
  72  */
  73 int
  74 ip_fmap(SCR *sp, seq_t stype, CHAR_T *from, size_t flen, CHAR_T *to, size_t tlen)
  75 {
  76         /* Bind a function key to a string sequence. */
  77         return (1);
  78 }
  79
  80 /*
  81  * ip_optchange --
  82  *      IP screen specific "option changed" routine.
  83  *
  84  * PUBLIC: int ip_optchange __P((SCR *, int, char *, u_long *));
  85  */
  86 int
  87 ip_optchange(SCR *sp, int offset, char *str, u_long *valp)
  88 {
  89         IP_BUF ipb;
  90         OPTLIST const *opt;
  91         IP_PRIVATE *ipp = IPP(sp);
  92         char *np;
  93         size_t nlen;
  94
  95         switch (offset) {
  96         case O_COLUMNS:
  97         case O_LINES:
  98                 F_SET(sp->gp, G_SRESTART);
  99                 F_CLR(sp, SC_SCR_EX | SC_SCR_VI);
 100                 break;
 101         case O_TERM:
 102                 /* Called with "ip_curses"; previously wasn't shown
 103                  * because switching to EX wasn't allowed
 104                 msgq(sp, M_ERR, "The screen type may not be changed");
 105                 */
 106                 return (1);
 107         }
 108
 109         opt = optlist + offset;
 110         switch (opt->type) {
 111         case OPT_0BOOL:
 112         case OPT_1BOOL:
 113         case OPT_NUM:
 114                 ipb.val1 = *valp;
 115                 ipb.len2 = 0;
 116                 break;
 117         case OPT_STR:
 118                 if (str == NULL) {
 119                         ipb.str2 = "";
 120                         ipb.len2 = 1;
 121                 } else {
 122                         ipb.str2 = str;
 123                         ipb.len2 = strlen(str) + 1;
 124                 }
 125                 break;
 126         }
 127
 128         ipb.code = SI_EDITOPT;
 129         ipb.str1 = (char*)opt->name;
 130         ipb.len1 = STRLEN(opt->name) * sizeof(CHAR_T);
 131
 132         (void)vi_send(ipp->o_fd, "ab1", &ipb);
 133         return (0);
 134 }