xref: /netbsd-src/external/bsd/nvi/dist/ip/ip_term.c (revision 2f698edb5c1cb2dcd9e762b0abb50c41dde8b6b7)
1 /*	$NetBSD: ip_term.c,v 1.4 2014/01/26 21:43:45 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 #include <sys/cdefs.h>
12 #if 0
13 #ifndef lint
14 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 ";
15 #endif /* not lint */
16 #else
17 __RCSID("$NetBSD: ip_term.c,v 1.4 2014/01/26 21:43:45 christos Exp $");
18 #endif
19 
20 #include <sys/types.h>
21 #include <sys/queue.h>
22 
23 #include <bitstring.h>
24 #include <stdio.h>
25 #include <string.h>
26 
27 #include "../common/common.h"
28 #include "../ipc/ip.h"
29 
30 /*
31  * ip_term_init --
32  *	Initialize the terminal special keys.
33  *
34  * PUBLIC: int ip_term_init __P((SCR *));
35  */
36 int
ip_term_init(SCR * sp)37 ip_term_init(SCR *sp)
38 {
39 	SEQ *qp;
40 
41 	/*
42 	 * Rework any function key mappings that were set before the
43 	 * screen was initialized.
44 	 */
45 	LIST_FOREACH(qp, &sp->gp->seqq, q)
46 		if (F_ISSET(qp, SEQ_FUNCMAP))
47 			(void)ip_fmap(sp, qp->stype,
48 			    qp->input, qp->ilen, qp->output, qp->olen);
49 	return (0);
50 }
51 
52 /*
53  * ip_term_end --
54  *	End the special keys defined by the termcap/terminfo entry.
55  *
56  * PUBLIC: int ip_term_end __P((GS *));
57  */
58 int
ip_term_end(GS * gp)59 ip_term_end(GS *gp)
60 {
61 	SEQ *qp, *nqp;
62 
63 	/* Delete screen specific mappings. */
64 	LIST_FOREACH_SAFE(qp, &gp->seqq, q, nqp) {
65 		if (F_ISSET(qp, SEQ_SCREEN))
66 			(void)seq_mdel(qp);
67 	}
68 	return (0);
69 }
70 
71 /*
72  * ip_fmap --
73  *	Map a function key.
74  *
75  * PUBLIC: int ip_fmap __P((SCR *, seq_t, CHAR_T *, size_t, CHAR_T *, size_t));
76  */
77 int
ip_fmap(SCR * sp,seq_t stype,CHAR_T * from,size_t flen,CHAR_T * to,size_t tlen)78 ip_fmap(SCR *sp, seq_t stype, CHAR_T *from, size_t flen, CHAR_T *to, size_t 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, const char *, u_long *));
89  */
90 int
ip_optchange(SCR * sp,int offset,const char * str,u_long * valp)91 ip_optchange(SCR *sp, int offset, const char *str, u_long *valp)
92 {
93 	IP_BUF ipb;
94 	OPTLIST const *opt;
95 	IP_PRIVATE *ipp = IPP(sp);
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 = __UNCONST(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 }
137