contrib/nvi/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[] = "@(#)ip_term.c     8.2 (Berkeley) 10/13/96";
  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
  20 #include "../common/common.h"
  21 #include "ip.h"
  22
  23 /*
  24  * ip_term_init --
  25  *      Initialize the terminal special keys.
  26  *
  27  * PUBLIC: int ip_term_init __P((SCR *));
  28  */
  29 int
  30 ip_term_init(sp)
  31         SCR *sp;
  32 {
  33         SEQ *qp;
  34
  35         /*
  36          * Rework any function key mappings that were set before the
  37          * screen was initialized.
  38          */
  39         for (qp = sp->gp->seqq.lh_first; qp != NULL; qp = qp->q.le_next)
  40                 if (F_ISSET(qp, SEQ_FUNCMAP))
  41                         (void)ip_fmap(sp, qp->stype,
  42                             qp->input, qp->ilen, qp->output, qp->olen);
  43         return (0);
  44 }
  45
  46 /*
  47  * ip_term_end --
  48  *      End the special keys defined by the termcap/terminfo entry.
  49  *
  50  * PUBLIC: int ip_term_end __P((GS *));
  51  */
  52 int
  53 ip_term_end(gp)
  54         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(sp, stype, from, flen, to, tlen)
  75         SCR *sp;
  76         seq_t stype;
  77         CHAR_T *from, *to;
  78         size_t flen, 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, char *, u_long *));
  89  */
  90 int
  91 ip_optchange(sp, opt, str, valp)
  92         SCR *sp;
  93         int opt;
  94         char *str;
  95         u_long *valp;
  96 {
  97         switch (opt) {
  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                 msgq(sp, M_ERR, "The screen type may not be changed");
 105                 return (1);
 106         }
 107         return (0);
 108 }