sbin/wsconsctl/keysym.c

   1 /*      $NetBSD: keysym.c,v 1.8 2008/04/28 20:23:09 martin 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  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <dev/wscons/wsksymdef.h>
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37 #include <unistd.h>
  38
  39 #include "keysym.h"
  40 #include "wsconsctl.h"
  41
  42 #define NUMKSYMS        (sizeof(ksym_tab_by_name)/sizeof(ksym_tab_by_name[0]))
  43
  44 static int first_time = 1;
  45 static struct ksym ksym_tab_by_ksym[NUMKSYMS];
  46
  47 /* copied from dev/wscons/wskbdutil.c ... */
  48
  49 static const u_char latin1_to_upper[256] = {
  50 /*      0  8  1  9  2  a  3  b  4  c  5  d  6  e  7  f               */
  51         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 0 */
  52         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 0 */
  53         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 1 */
  54         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 1 */
  55         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 2 */
  56         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 2 */
  57         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 3 */
  58         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 3 */
  59         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 4 */
  60         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 4 */
  61         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 5 */
  62         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 5 */
  63         0x00,  'A',  'B',  'C',  'D',  'E',  'F',  'G',         /* 6 */
  64          'H',  'I',  'J',  'K',  'L',  'M',  'N',  'O',         /* 6 */
  65          'P',  'Q',  'R',  'S',  'T',  'U',  'V',  'W',         /* 7 */
  66          'X',  'Y',  'Z', 0x00, 0x00, 0x00, 0x00, 0x00,         /* 7 */
  67         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 8 */
  68         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 8 */
  69         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 9 */
  70         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* 9 */
  71         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* a */
  72         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* a */
  73         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* b */
  74         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* b */
  75         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* c */
  76         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* c */
  77         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* d */
  78         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,         /* d */
  79         0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,         /* e */
  80         0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,         /* e */
  81         0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0x00,         /* f */
  82         0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0x00,         /* f */
  83 };
  84
  85 static int qcmp_name(const void *, const void *);
  86 static int qcmp_ksym(const void *, const void *);
  87 static int bcmp_name(const void *, const void *);
  88 static int bcmp_ksym(const void *, const void *);
  89
  90 static void sort_ksym_tab(void);
  91
  92 static int
  93 qcmp_name(const void *a, const void *b)
  94 {
  95
  96         return strcmp(((const struct ksym *) a)->name,
  97             ((const struct ksym *) b)->name);
  98 }
  99
 100 static int
 101 qcmp_ksym(const void *a, const void *b)
 102 {
 103
 104         return ((const struct ksym *) b)->value -
 105             ((const struct ksym *) a)->value;
 106 }
 107
 108 static int
 109 bcmp_name(const void *a, const void *b)
 110 {
 111
 112         return strcmp((const char *) a, ((const struct ksym *) b)->name);
 113 }
 114
 115 static int
 116 bcmp_ksym(const void *a, const void *b)
 117 {
 118
 119         return ((const struct ksym *) b)->value - *((const int *) a);
 120 }
 121
 122 static void
 123 sort_ksym_tab(void)
 124 {
 125         size_t i;
 126
 127         for (i = 0; i < NUMKSYMS; i++)
 128                 ksym_tab_by_ksym[i] = ksym_tab_by_name[i];
 129
 130         qsort(ksym_tab_by_name, NUMKSYMS, sizeof(struct ksym), qcmp_name);
 131         qsort(ksym_tab_by_ksym, NUMKSYMS, sizeof(struct ksym), qcmp_ksym);
 132
 133         first_time = 0;
 134 }
 135
 136 const char *
 137 ksym2name(int k)
 138 {
 139         static char tmp[20];
 140         struct ksym *r;
 141
 142         if (first_time)
 143                 sort_ksym_tab();
 144
 145         r = bsearch(&k, ksym_tab_by_ksym,
 146                     NUMKSYMS, sizeof(struct ksym), bcmp_ksym);
 147
 148         if (r != NULL)
 149                 return r->name;
 150         else {
 151                 (void)snprintf(tmp, sizeof(tmp), "unknown_%d", k);
 152                 return tmp;
 153         }
 154 }
 155
 156 int
 157 name2ksym(char *n)
 158 {
 159         int res;
 160         struct ksym *r;
 161
 162         if (first_time)
 163                 sort_ksym_tab();
 164
 165         r = bsearch(n, ksym_tab_by_name,
 166                     NUMKSYMS, sizeof(struct ksym), bcmp_name);
 167
 168         if (r != NULL)
 169                 return r->value;
 170         else if (sscanf(n, "unknown_%d", &res) == 1)
 171                 return res;
 172         else
 173                 return -1;
 174 }
 175
 176 keysym_t
 177 ksym_upcase(keysym_t ksym)
 178 {
 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 }