2 Copyright 1985, 1987, 1990, 1998 The Open Group
3 Copyright 2008 Dan Nicholson
5 Permission is hereby granted, free of charge, to any person obtaining a
6 copy of this software and associated documentation files (the "Software"),
7 to deal in the Software without restriction, including without limitation
8 the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 and/or sell copies of the Software, and to permit persons to whom the
10 Software is furnished to do so, subject to the following conditions:
12 The above copyright notice and this permission notice shall be included in
13 all copies or substantial portions of the Software.
15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
19 ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 Except as contained in this notice, the names of the authors or their
23 institutions shall not be used in advertising or otherwise to promote the
24 sale, use or other dealings in this Software without prior written
25 authorization from the authors.
31 #include <X11/keysym.h>
34 #include "ks_tables.h"
37 xkb_keysym_get_name(xkb_keysym_t ks, char *buffer, size_t size)
40 const unsigned char *entry;
41 unsigned char val1, val2, val3, val4;
43 if ((ks & ((unsigned long) ~0x1fffffff)) != 0) {
44 snprintf(buffer, size, "Invalid");
48 /* Not listed in keysymdef.h for hysterical raisins. */
49 if (ks == XKB_KEYSYM_NO_SYMBOL) {
50 snprintf(buffer, size, "NoSymbol");
54 /* Try to find it in our hash table. */
55 if (ks <= 0x1fffffff) {
57 val2 = (ks >> 16) & 0xff;
58 val3 = (ks >> 8) & 0xff;
64 while ((idx = hashKeysym[i])) {
65 entry = &_XkeyTable[idx];
67 if ((entry[0] == val1) && (entry[1] == val2) &&
68 (entry[2] == val3) && (entry[3] == val4)) {
69 snprintf(buffer, size, "%s", entry + 4);
82 if (ks >= 0x01000100 && ks <= 0x0110ffff)
83 /* Unnamed Unicode codepoint. */
84 snprintf(buffer, size, "U%lx", ks & 0xffffffUL);
86 /* Unnamed, non-Unicode, symbol (shouldn't generally happen). */
87 snprintf(buffer, size, "0x%08x", ks);
90 _X_EXPORT xkb_keysym_t
91 xkb_keysym_from_name(const char *s)
97 const unsigned char *entry;
98 unsigned char sig1, sig2;
102 sig = (sig << 1) + c;
104 i = sig % KTABLESIZE;
106 sig1 = (sig >> 8) & 0xff;
110 while ((idx = hashString[i])) {
111 entry = &_XkeyTable[idx];
113 if ((entry[0] == sig1) && (entry[1] == sig2) &&
114 !strcmp(s, (const char *)entry + 6))
116 val = (entry[2] << 24) | (entry[3] << 16) |
117 (entry[4] << 8) | entry[5];
132 val = strtoul(&s[1], &tmp, 16);
133 if (tmp && *tmp != '\0')
134 return XKB_KEYSYM_NO_SYMBOL;
136 if (val < 0x20 || (val > 0x7e && val < 0xa0))
137 return XKB_KEYSYM_NO_SYMBOL;
141 return XKB_KEYSYM_NO_SYMBOL;
142 return val | 0x01000000;
144 else if (s[0] == '0' && s[1] == 'x') {
145 val = strtoul(&s[2], &tmp, 16);
146 if (tmp && *tmp != '\0')
147 return XKB_KEYSYM_NO_SYMBOL;
152 /* Stupid inconsistency between the headers and XKeysymDB: the former has
153 * no separating underscore, while some XF86* syms in the latter did.
154 * As a last ditch effort, try without. */
155 if (strncmp(s, "XF86_", 5) == 0) {
159 return XKB_KEYSYM_NO_SYMBOL;
160 memmove(&tmp[4], &tmp[5], strlen(s) - 5 + 1);
161 ret = xkb_keysym_from_name(tmp);
166 return XKB_KEYSYM_NO_SYMBOL;