xref: /netbsd-src/sbin/wsconsctl/keysym.c (revision e5548b402ae4c44fb816de42c7bba9581ce23ef5)
1 /*	$NetBSD: keysym.c,v 1.6 2005/06/26 22:45:50 christos Exp $ */
2 
3 /*-
4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Juergen Hannken-Illjes.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <dev/wscons/wsksymdef.h>
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <string.h>
43 #include <unistd.h>
44 #include "keysym.h"
45 #include "wsconsctl.h"
46 
47 #define NUMKSYMS	(sizeof(ksym_tab_by_name)/sizeof(ksym_tab_by_name[0]))
48 
49 static int first_time = 1;
50 static struct ksym ksym_tab_by_ksym[NUMKSYMS];
51 
52 /* copied from dev/wscons/wskbdutil.c ... */
53 
54 static const u_char latin1_to_upper[256] = {
55 /*      0  8  1  9  2  a  3  b  4  c  5  d  6  e  7  f               */
56 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 0 */
57 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 0 */
58 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 1 */
59 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 1 */
60 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 2 */
61 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 2 */
62 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 3 */
63 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 3 */
64 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 4 */
65 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 4 */
66 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 5 */
67 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 5 */
68 	0x00,  'A',  'B',  'C',  'D',  'E',  'F',  'G',		/* 6 */
69 	 'H',  'I',  'J',  'K',  'L',  'M',  'N',  'O',		/* 6 */
70 	 'P',  'Q',  'R',  'S',  'T',  'U',  'V',  'W',		/* 7 */
71 	 'X',  'Y',  'Z', 0x00, 0x00, 0x00, 0x00, 0x00,		/* 7 */
72 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 8 */
73 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 8 */
74 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 9 */
75 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 9 */
76 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* a */
77 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* a */
78 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* b */
79 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* b */
80 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* c */
81 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* c */
82 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* d */
83 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* d */
84 	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,		/* e */
85 	0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,		/* e */
86 	0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0x00,		/* f */
87 	0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0x00,		/* f */
88 };
89 
90 static int qcmp_name(const void *, const void *);
91 static int qcmp_ksym(const void *, const void *);
92 static int bcmp_name(const void *, const void *);
93 static int bcmp_ksym(const void *, const void *);
94 
95 static void sort_ksym_tab(void);
96 
97 static int
98 qcmp_name(const void *a, const void *b)
99 {
100 	return(strcmp(((const struct ksym *) a)->name,
101 	    ((const struct ksym *) b)->name));
102 }
103 
104 static int
105 qcmp_ksym(const void *a, const void *b)
106 {
107 	return(((const struct ksym *) b)->value -
108 	    ((const struct ksym *) a)->value);
109 }
110 
111 static int
112 bcmp_name(const void *a, const void *b)
113 {
114 	return(strcmp((const char *) a, ((const struct ksym *) b)->name));
115 }
116 
117 static int
118 bcmp_ksym(const void *a, const void *b)
119 {
120 	return(((const struct ksym *) b)->value - *((const int *) a));
121 }
122 
123 static void
124 sort_ksym_tab(void)
125 {
126 	int i;
127 
128 	for (i = 0; i < NUMKSYMS; i++)
129 		ksym_tab_by_ksym[i] = ksym_tab_by_name[i];
130 
131 	qsort(ksym_tab_by_name, NUMKSYMS, sizeof(struct ksym), qcmp_name);
132 	qsort(ksym_tab_by_ksym, NUMKSYMS, sizeof(struct ksym), qcmp_ksym);
133 
134 	first_time = 0;
135 }
136 
137 const char *
138 ksym2name(int k)
139 {
140 	static char tmp[20];
141 	struct ksym *r;
142 
143 	if (first_time)
144 		sort_ksym_tab();
145 
146 	r = bsearch(&k, ksym_tab_by_ksym,
147 		    NUMKSYMS, sizeof(struct ksym), bcmp_ksym);
148 
149 	if (r != NULL)
150 		return(r->name);
151 	else {
152 		snprintf(tmp, sizeof(tmp), "unknown_%d", k);
153 		return(tmp);
154 	}
155 }
156 
157 int
158 name2ksym(char *n)
159 {
160 	int res;
161 	struct ksym *r;
162 
163 	if (first_time)
164 		sort_ksym_tab();
165 
166 	r = bsearch(n, ksym_tab_by_name,
167 		    NUMKSYMS, sizeof(struct ksym), bcmp_name);
168 
169 	if (r != NULL)
170 		return(r->value);
171 	else if (sscanf(n, "unknown_%d", &res) == 1)
172 		return(res);
173 	else
174 		return(-1);
175 }
176 
177 keysym_t
178 ksym_upcase(keysym_t ksym)
179 {
180 	if (ksym >= KS_f1 && ksym <= KS_f20)
181 		return(KS_F1 - KS_f1 + ksym);
182 
183 	if (KS_GROUP(ksym) == KS_GROUP_Ascii && ksym <= 0xff &&
184 	    latin1_to_upper[ksym] != 0x00)
185 		return(latin1_to_upper[ksym]);
186 
187 	return(ksym);
188 }
189