1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#define NEEDKTABLE
#include "ks_tables.h"
#include "keysymdef.h"
#define NoSymbol 0
typedef unsigned long Signature;
typedef unsigned long KeySym;
KeySym XStringToKeysym(char *s)
{
register int i, n;
int h;
register Signature sig = 0;
register const char *p = s;
register int c;
register int idx;
const unsigned char *entry;
unsigned char sig1, sig2;
KeySym val;
while ((c = *p++))
sig = (sig << 1) + c;
i = sig % KTABLESIZE;
h = i + 1;
sig1 = (sig >> 8) & 0xff;
sig2 = sig & 0xff;
n = KMAXHASH;
while ((idx = hashString[i]))
{
entry = &_XkeyTable[idx];
if ((entry[0] == sig1) && (entry[1] == sig2) &&
!strcmp(s, (char *)entry + 6))
{
val = (entry[2] << 24) | (entry[3] << 16) |
(entry[4] << 8) | entry[5];
if (!val)
val = XK_VoidSymbol;
return val;
}
if (!--n)
break;
i += h;
if (i >= KTABLESIZE)
i -= KTABLESIZE;
}
/*
The KeysymDB is not yet supported.
if (!initialized)
(void)_XInitKeysymDB();
if (keysymdb)
{
XrmValue result;
XrmRepresentation from_type;
char c;
XrmQuark names[2];
names[0] = _XrmInternalStringToQuark(s, p - s - 1, sig, False);
names[1] = NULLQUARK;
(void)XrmQGetResource(keysymdb, names, Qkeysym, &from_type, &result);
if (result.addr && (result.size > 1))
{
val = 0;
for (i = 0; i < result.size - 1; i++)
{
c = ((char *)result.addr)[i];
if ('0' <= c && c <= '9') val = (val<<4)+c-'0';
else if ('a' <= c && c <= 'f') val = (val<<4)+c-'a'+10;
else if ('A' <= c && c <= 'F') val = (val<<4)+c-'A'+10;
else return NoSymbol;
}
return val;
}
}
*/
if (*s == 'U') {
val = 0;
for (p = &s[1]; *p; p++) {
c = *p;
if ('0' <= c && c <= '9') val = (val<<4)+c-'0';
else if ('a' <= c && c <= 'f') val = (val<<4)+c-'a'+10;
else if ('A' <= c && c <= 'F') val = (val<<4)+c-'A'+10;
else return NoSymbol;
if (val > 0x10ffff)
return NoSymbol;
}
if (val < 0x20 || (val > 0x7e && val < 0xa0))
return NoSymbol;
if (val < 0x100)
return val;
return val | 0x01000000;
}
if (strlen(s) > 2 && s[0] == '0' && s[1] == 'x')
{
char *tmp = NULL;
val = strtoul(s, &tmp, 16);
if (val == ULONG_MAX || (tmp && *tmp != '\0'))
return NoSymbol;
else
return val;
}
/* Stupid inconsistency between the headers and XKeysymDB: the former has
* no separating underscore, while some XF86* syms in the latter did.
* As a last ditch effort, try without. */
if (strncmp(s, "XF86_", 5) == 0)
{
KeySym ret;
char *tmp = strdup(s);
if (!tmp)
return NoSymbol;
memmove(&tmp[4], &tmp[5], strlen(s) - 5 + 1);
ret = XStringToKeysym(tmp);
free(tmp);
return ret;
}
return NoSymbol;
}
|
