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1.1 |
#include "../config.h" |
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#include "rxvt.h" |
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1.7 |
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#ifdef KEYSYM_RESOURCE |
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#include <cstring> |
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1.1 |
#include "keyboard.h" |
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#include "command.h" |
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//////////////////////////////////////////////////////////////////////////////// |
12 |
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// default keycode translation map and keyevent handlers |
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1.2 |
keysym_t keyboard_manager::stock_keymap[] = { |
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1.1 |
/* examples */ |
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1.10 |
/* keysym, state, range, handler, str */ |
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//{XK_ISO_Left_Tab, 0, 1, keysym_t::NORMAL, "\033[Z"}, |
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//{ 'a', 0, 26, keysym_t::RANGE_META8, "a" "%c"}, |
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//{ 'a', ControlMask, 26, keysym_t::RANGE_META8, "" "%c"}, |
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//{ XK_Left, 0, 4, keysym_t::LIST, ".\033[.DACB."}, |
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//{ XK_Left, ShiftMask, 4, keysym_t::LIST, ".\033[.dacb."}, |
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//{ XK_Left, ControlMask, 4, keysym_t::LIST, ".\033O.dacb."}, |
23 |
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//{ XK_Tab, ControlMask, 1, keysym_t::NORMAL, "\033<C-Tab>"}, |
24 |
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//{ XK_apostrophe, ControlMask, 1, keysym_t::NORMAL, "\033<C-'>"}, |
25 |
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//{ XK_slash, ControlMask, 1, keysym_t::NORMAL, "\033<C-/>"}, |
26 |
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//{ XK_semicolon, ControlMask, 1, keysym_t::NORMAL, "\033<C-;>"}, |
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//{ XK_grave, ControlMask, 1, keysym_t::NORMAL, "\033<C-`>"}, |
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//{ XK_comma, ControlMask, 1, keysym_t::NORMAL, "\033<C-\054>"}, |
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//{ XK_Return, ControlMask, 1, keysym_t::NORMAL, "\033<C-Return>"}, |
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//{ XK_Return, ShiftMask, 1, keysym_t::NORMAL, "\033<S-Return>"}, |
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//{ ' ', ShiftMask, 1, keysym_t::NORMAL, "\033<S-Space>"}, |
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//{ '.', ControlMask, 1, keysym_t::NORMAL, "\033<C-.>"}, |
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//{ '0', ControlMask, 10, keysym_t::RANGE, "0" "\033<C-%c>"}, |
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//{ '0', MetaMask|ControlMask, 10, keysym_t::RANGE, "0" "\033<M-C-%c>"}, |
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//{ 'a', MetaMask|ControlMask, 26, keysym_t::RANGE, "a" "\033<M-C-%c>"}, |
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1.1 |
}; |
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1.2 |
static void |
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output_string (rxvt_term *rt, const char *str) |
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1.1 |
{ |
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1.10 |
if (strncmp (str, "command:", 8) == 0) |
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rt->cmd_write ((unsigned char *)str + 8, strlen (str) - 8); |
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1.1 |
else |
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1.2 |
rt->tt_write ((unsigned char *)str, strlen (str)); |
45 |
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1.1 |
} |
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1.2 |
static void |
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output_string_meta8 (rxvt_term *rt, unsigned int state, char *buf, int buflen) |
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1.1 |
{ |
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if (state & rt->ModMetaMask) |
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{ |
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#ifdef META8_OPTION |
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1.2 |
if (rt->meta_char == 0x80) /* set 8-bit on */ |
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1.1 |
{ |
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for (char *ch = buf; ch < buf + buflen; ch++) |
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*ch |= 0x80; |
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} |
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1.2 |
else if (rt->meta_char == C0_ESC) /* escape prefix */ |
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1.1 |
#endif |
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{ |
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1.5 |
const unsigned char ch = C0_ESC; |
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1.1 |
rt->tt_write (&ch, 1); |
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} |
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} |
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1.2 |
rt->tt_write ((unsigned char *) buf, buflen); |
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1.1 |
} |
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1.2 |
static int |
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format_keyrange_string (const char *str, int keysym_offset, char *buf, int bufsize) |
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1.1 |
{ |
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1.7 |
size_t len = snprintf (buf, bufsize, str + 1, keysym_offset + str [0]); |
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|
74 |
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1.7 |
if (len >= (size_t)bufsize) |
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1.1 |
{ |
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1.7 |
rxvt_warn ("format_keyrange_string: formatting failed, ignoring key.\n"); |
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1.5 |
*buf = 0; |
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1.1 |
} |
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return len; |
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} |
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//////////////////////////////////////////////////////////////////////////////// |
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// return: #bits of '1' |
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1.7 |
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 3) |
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# define bitcount(n) (__extension__ ({ uint32_t n__ = (n); __builtin_popcount (n); })) |
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#else |
88 |
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1.2 |
static int |
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1.7 |
bitcount (uint16_t n) |
90 |
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1.1 |
{ |
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int i; |
92 |
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1.2 |
|
93 |
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1.7 |
for (i = 0; n; ++i, n &= n - 1) |
94 |
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1.2 |
; |
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96 |
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1.1 |
return i; |
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} |
98 |
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1.7 |
#endif |
99 |
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1.1 |
|
100 |
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// return: priority_of_a - priority_of_b |
101 |
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1.2 |
static int |
102 |
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1.1 |
compare_priority (keysym_t *a, keysym_t *b) |
103 |
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{ |
104 |
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// (the more '1's in state; the less range): the greater priority |
105 |
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1.2 |
int ca = bitcount (a->state /* & OtherModMask */); |
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int cb = bitcount (b->state /* & OtherModMask */); |
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1.1 |
if (ca != cb) |
109 |
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return ca - cb; |
110 |
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//else if (a->state != b->state) // this behavior is to be disscussed |
111 |
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// return b->state - a->state; |
112 |
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else |
113 |
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return b->range - a->range; |
114 |
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} |
115 |
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116 |
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//////////////////////////////////////////////////////////////////////////////// |
117 |
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1.2 |
keyboard_manager::keyboard_manager () |
118 |
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1.1 |
{ |
119 |
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1.2 |
keymap.reserve (256); |
120 |
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1.4 |
hash [0] = 1; // hash[0] != 0 indicates uninitialized data |
121 |
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1.1 |
} |
122 |
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123 |
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keyboard_manager::~keyboard_manager () |
124 |
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{ |
125 |
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clear (); |
126 |
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} |
127 |
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128 |
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void |
129 |
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keyboard_manager::clear () |
130 |
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{ |
131 |
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1.2 |
keymap.clear (); |
132 |
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hash [0] = 2; |
133 |
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1.1 |
|
134 |
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1.2 |
for (unsigned int i = 0; i < user_translations.size (); ++i) |
135 |
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1.1 |
{ |
136 |
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1.2 |
free ((void *)user_translations [i]); |
137 |
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user_translations [i] = 0; |
138 |
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1.1 |
} |
139 |
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140 |
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1.2 |
for (unsigned int i = 0; i < user_keymap.size (); ++i) |
141 |
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1.1 |
{ |
142 |
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1.2 |
delete user_keymap [i]; |
143 |
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user_keymap [i] = 0; |
144 |
root |
1.1 |
} |
145 |
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146 |
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1.2 |
user_keymap.clear (); |
147 |
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user_translations.clear (); |
148 |
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1.1 |
} |
149 |
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150 |
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// a wrapper for register_keymap, |
151 |
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// so that outside codes don't have to know so much details. |
152 |
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// |
153 |
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// the string 'trans' is copied to an internal managed buffer, |
154 |
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// so the caller can free memory of 'trans' at any time. |
155 |
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void |
156 |
root |
1.2 |
keyboard_manager::register_user_translation (KeySym keysym, unsigned int state, const char *trans) |
157 |
root |
1.1 |
{ |
158 |
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keysym_t *key = new keysym_t; |
159 |
root |
1.2 |
wchar_t *wc = rxvt_mbstowcs (trans); |
160 |
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const char *translation = rxvt_wcstoutf8 (wc); |
161 |
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free (wc); |
162 |
root |
1.1 |
|
163 |
root |
1.2 |
if (key && translation) |
164 |
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1.1 |
{ |
165 |
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key->keysym = keysym; |
166 |
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1.2 |
key->state = state; |
167 |
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key->range = 1; |
168 |
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key->str = translation; |
169 |
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key->type = keysym_t::NORMAL; |
170 |
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171 |
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if (strncmp (translation, "list", 4) == 0 && translation [4]) |
172 |
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{ |
173 |
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char *middle = strchr (translation + 5, translation [4]); |
174 |
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char *suffix = strrchr (translation + 5, translation [4]); |
175 |
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176 |
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if (suffix && middle && suffix > middle + 1) |
177 |
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{ |
178 |
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key->type = keysym_t::LIST; |
179 |
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key->range = suffix - middle - 1; |
180 |
root |
1.1 |
|
181 |
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1.2 |
strcpy (translation, translation + 4); |
182 |
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} |
183 |
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else |
184 |
root |
1.7 |
rxvt_warn ("cannot parse list-type keysym '%s', treating as normal keysym.\n", translation); |
185 |
root |
1.1 |
} |
186 |
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187 |
root |
1.2 |
user_keymap.push_back (key); |
188 |
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user_translations.push_back (translation); |
189 |
root |
1.1 |
register_keymap (key); |
190 |
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} |
191 |
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else |
192 |
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{ |
193 |
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delete key; |
194 |
root |
1.2 |
free ((void *)translation); |
195 |
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1.1 |
rxvt_fatal ("out of memory, aborting.\n"); |
196 |
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} |
197 |
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} |
198 |
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199 |
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void |
200 |
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keyboard_manager::register_keymap (keysym_t *key) |
201 |
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{ |
202 |
root |
1.2 |
if (keymap.size () == keymap.capacity ()) |
203 |
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keymap.reserve (keymap.size () * 2); |
204 |
root |
1.1 |
|
205 |
root |
1.2 |
keymap.push_back (key); |
206 |
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hash[0] = 3; |
207 |
root |
1.1 |
} |
208 |
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209 |
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void |
210 |
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keyboard_manager::register_done () |
211 |
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{ |
212 |
root |
1.2 |
unsigned int i, n = sizeof (stock_keymap) / sizeof (keysym_t); |
213 |
root |
1.1 |
|
214 |
root |
1.2 |
if (keymap.back () != &stock_keymap[n - 1]) |
215 |
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for (i = 0; i < n; ++i) |
216 |
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register_keymap (&stock_keymap[i]); |
217 |
root |
1.1 |
|
218 |
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purge_duplicate_keymap (); |
219 |
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220 |
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setup_hash (); |
221 |
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} |
222 |
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223 |
root |
1.2 |
bool |
224 |
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keyboard_manager::dispatch (rxvt_term *term, KeySym keysym, unsigned int state) |
225 |
root |
1.1 |
{ |
226 |
root |
1.2 |
assert (hash[0] == 0 && "register_done() need to be called"); |
227 |
root |
1.1 |
|
228 |
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1.6 |
if (state & term->ModMetaMask) state |= MetaMask; |
229 |
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if (state & term->ModNumLockMask) state |= NumLockMask; |
230 |
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if (state & term->ModLevel3Mask) state |= Level3Mask; |
231 |
root |
1.3 |
|
232 |
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if (!!(term->priv_modes & PrivMode_aplKP) != !!(state & ShiftMask)) |
233 |
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state |= AppKeypadMask; |
234 |
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235 |
root |
1.1 |
int index = find_keysym (keysym, state); |
236 |
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237 |
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if (index >= 0) |
238 |
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{ |
239 |
root |
1.2 |
const keysym_t &key = *keymap [index]; |
240 |
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241 |
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int keysym_offset = keysym - key.keysym; |
242 |
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243 |
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wchar_t *wc = rxvt_utf8towcs (key.str); |
244 |
root |
1.7 |
|
245 |
root |
1.2 |
char *str = rxvt_wcstombs (wc); |
246 |
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// TODO: do translations, unescaping etc, here (allow \u escape etc.) |
247 |
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free (wc); |
248 |
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249 |
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switch (key.type) |
250 |
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{ |
251 |
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case keysym_t::NORMAL: |
252 |
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output_string (term, str); |
253 |
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break; |
254 |
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255 |
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case keysym_t::RANGE: |
256 |
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{ |
257 |
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char buf[STRING_MAX]; |
258 |
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259 |
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if (format_keyrange_string (str, keysym_offset, buf, sizeof (buf)) > 0) |
260 |
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output_string (term, buf); |
261 |
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} |
262 |
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break; |
263 |
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264 |
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case keysym_t::RANGE_META8: |
265 |
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{ |
266 |
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int len; |
267 |
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char buf[STRING_MAX]; |
268 |
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269 |
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len = format_keyrange_string (str, keysym_offset, buf, sizeof (buf)); |
270 |
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if (len > 0) |
271 |
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output_string_meta8 (term, state, buf, len); |
272 |
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} |
273 |
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break; |
274 |
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275 |
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case keysym_t::LIST: |
276 |
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{ |
277 |
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char buf[STRING_MAX]; |
278 |
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279 |
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char *prefix, *middle, *suffix; |
280 |
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281 |
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prefix = str; |
282 |
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middle = strchr (prefix + 1, *prefix); |
283 |
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suffix = strrchr (middle + 1, *prefix); |
284 |
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285 |
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memcpy (buf, prefix + 1, middle - prefix - 1); |
286 |
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buf [middle - prefix - 1] = middle [keysym_offset + 1]; |
287 |
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strcpy (buf + (middle - prefix), suffix + 1); |
288 |
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289 |
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output_string (term, buf); |
290 |
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} |
291 |
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break; |
292 |
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} |
293 |
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294 |
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free (str); |
295 |
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296 |
root |
1.1 |
return true; |
297 |
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} |
298 |
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else |
299 |
root |
1.2 |
{ |
300 |
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// fprintf(stderr,"[%x:%x]",state,keysym); |
301 |
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return false; |
302 |
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} |
303 |
root |
1.1 |
} |
304 |
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305 |
root |
1.2 |
// purge duplicate keymap entries |
306 |
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void keyboard_manager::purge_duplicate_keymap () |
307 |
root |
1.1 |
{ |
308 |
root |
1.2 |
for (unsigned int i = 0; i < keymap.size (); ++i) |
309 |
root |
1.1 |
{ |
310 |
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for (unsigned int j = 0; j < i; ++j) |
311 |
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{ |
312 |
root |
1.4 |
if (keymap [i] == keymap [j]) |
313 |
root |
1.1 |
{ |
314 |
root |
1.4 |
while (keymap [i] == keymap.back ()) |
315 |
root |
1.2 |
keymap.pop_back (); |
316 |
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317 |
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if (i < keymap.size ()) |
318 |
root |
1.1 |
{ |
319 |
root |
1.2 |
keymap[i] = keymap.back (); |
320 |
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keymap.pop_back (); |
321 |
root |
1.1 |
} |
322 |
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break; |
323 |
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} |
324 |
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} |
325 |
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} |
326 |
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} |
327 |
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328 |
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void |
329 |
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keyboard_manager::setup_hash () |
330 |
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{ |
331 |
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unsigned int i, index, hashkey; |
332 |
root |
1.2 |
vector <keysym_t *> sorted_keymap; |
333 |
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uint16_t hash_budget_size[KEYSYM_HASH_BUDGETS]; // size of each budget |
334 |
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uint16_t hash_budget_counter[KEYSYM_HASH_BUDGETS]; // #elements in each budget |
335 |
root |
1.1 |
|
336 |
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memset (hash_budget_size, 0, sizeof (hash_budget_size)); |
337 |
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memset (hash_budget_counter, 0, sizeof (hash_budget_counter)); |
338 |
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|
339 |
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// count keysyms for corresponding hash budgets |
340 |
root |
1.2 |
for (i = 0; i < keymap.size (); ++i) |
341 |
root |
1.1 |
{ |
342 |
root |
1.8 |
hashkey = keymap [i]->keysym & KEYSYM_HASH_MASK; |
343 |
root |
1.4 |
++hash_budget_size [hashkey]; |
344 |
root |
1.1 |
} |
345 |
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|
346 |
root |
1.8 |
// a keysym_t with range>1 is counted one more time for every keysym that |
347 |
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// lies in its range |
348 |
root |
1.2 |
for (i = 0; i < keymap.size (); ++i) |
349 |
root |
1.1 |
{ |
350 |
root |
1.2 |
if (keymap[i]->range > 1) |
351 |
root |
1.1 |
{ |
352 |
root |
1.4 |
for (int j = min (keymap [i]->range, KEYSYM_HASH_BUDGETS) - 1; j > 0; --j) |
353 |
root |
1.1 |
{ |
354 |
root |
1.4 |
hashkey = ((keymap [i]->keysym + j) & KEYSYM_HASH_MASK); |
355 |
|
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if (hash_budget_size [hashkey]) |
356 |
|
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++hash_budget_size [hashkey]; |
357 |
root |
1.1 |
} |
358 |
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} |
359 |
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} |
360 |
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|
361 |
|
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// now we know the size of each budget |
362 |
|
|
// compute the index of each budget |
363 |
root |
1.4 |
hash [0] = 0; |
364 |
root |
1.2 |
for (index = 0, i = 1; i < KEYSYM_HASH_BUDGETS; ++i) |
365 |
root |
1.1 |
{ |
366 |
root |
1.4 |
index += hash_budget_size [i - 1]; |
367 |
|
|
hash[i] = (hash_budget_size [i] ? index : hash [i - 1]); |
368 |
root |
1.1 |
} |
369 |
root |
1.2 |
|
370 |
root |
1.1 |
// and allocate just enough space |
371 |
root |
1.4 |
sorted_keymap.insert (sorted_keymap.begin (), index + hash_budget_size [i - 1], 0); |
372 |
root |
1.1 |
|
373 |
|
|
// fill in sorted_keymap |
374 |
|
|
// it is sorted in each budget |
375 |
root |
1.2 |
for (i = 0; i < keymap.size (); ++i) |
376 |
root |
1.1 |
{ |
377 |
root |
1.4 |
for (int j = min (keymap [i]->range, KEYSYM_HASH_BUDGETS) - 1; j >= 0; --j) |
378 |
root |
1.1 |
{ |
379 |
root |
1.4 |
hashkey = ((keymap [i]->keysym + j) & KEYSYM_HASH_MASK); |
380 |
root |
1.2 |
|
381 |
root |
1.4 |
if (hash_budget_size [hashkey]) |
382 |
root |
1.1 |
{ |
383 |
root |
1.4 |
index = hash [hashkey] + hash_budget_counter [hashkey]; |
384 |
root |
1.2 |
|
385 |
root |
1.4 |
while (index > hash [hashkey] |
386 |
|
|
&& compare_priority (keymap [i], sorted_keymap [index - 1]) > 0) |
387 |
root |
1.1 |
{ |
388 |
root |
1.4 |
sorted_keymap [index] = sorted_keymap [index - 1]; |
389 |
root |
1.1 |
--index; |
390 |
|
|
} |
391 |
root |
1.2 |
|
392 |
root |
1.4 |
sorted_keymap [index] = keymap [i]; |
393 |
|
|
++hash_budget_counter [hashkey]; |
394 |
root |
1.1 |
} |
395 |
|
|
} |
396 |
|
|
} |
397 |
|
|
|
398 |
root |
1.2 |
keymap.swap (sorted_keymap); |
399 |
root |
1.1 |
|
400 |
|
|
#if defined (DEBUG_STRICT) || defined (DEBUG_KEYBOARD) |
401 |
|
|
// check for invariants |
402 |
|
|
for (i = 0; i < KEYSYM_HASH_BUDGETS; ++i) |
403 |
|
|
{ |
404 |
root |
1.2 |
index = hash[i]; |
405 |
root |
1.4 |
for (int j = 0; j < hash_budget_size [i]; ++j) |
406 |
root |
1.1 |
{ |
407 |
root |
1.4 |
if (keymap [index + j]->range == 1) |
408 |
|
|
assert (i == (keymap [index + j]->keysym & KEYSYM_HASH_MASK)); |
409 |
root |
1.2 |
|
410 |
root |
1.1 |
if (j) |
411 |
root |
1.4 |
assert (compare_priority (keymap [index + j - 1], |
412 |
|
|
keymap [index + j]) >= 0); |
413 |
root |
1.1 |
} |
414 |
|
|
} |
415 |
|
|
|
416 |
|
|
// this should be able to detect most possible bugs |
417 |
|
|
for (i = 0; i < sorted_keymap.size (); ++i) |
418 |
|
|
{ |
419 |
|
|
keysym_t *a = sorted_keymap[i]; |
420 |
|
|
for (int j = 0; j < a->range; ++j) |
421 |
|
|
{ |
422 |
root |
1.7 |
int index = find_keysym (a->keysym + j, a->state); |
423 |
root |
1.6 |
|
424 |
root |
1.1 |
assert (index >= 0); |
425 |
root |
1.4 |
keysym_t *b = keymap [index]; |
426 |
root |
1.2 |
assert (i == (signed) index || // the normally expected result |
427 |
root |
1.10 |
(a->keysym + j) >= b->keysym && (a->keysym + j) <= (b->keysym + b->range) && compare_priority (a, b) <= 0); // is effectively the same or a closer match |
428 |
root |
1.1 |
} |
429 |
|
|
} |
430 |
|
|
#endif |
431 |
|
|
} |
432 |
|
|
|
433 |
|
|
int |
434 |
|
|
keyboard_manager::find_keysym (KeySym keysym, unsigned int state) |
435 |
|
|
{ |
436 |
root |
1.2 |
int hashkey = keysym & KEYSYM_HASH_MASK; |
437 |
|
|
unsigned int index = hash [hashkey]; |
438 |
root |
1.1 |
|
439 |
root |
1.2 |
for (; index < keymap.size (); ++index) |
440 |
root |
1.1 |
{ |
441 |
root |
1.4 |
keysym_t *key = keymap [index]; |
442 |
root |
1.2 |
|
443 |
|
|
if (key->keysym <= keysym && key->keysym + key->range > keysym |
444 |
root |
1.1 |
// match only the specified bits in state and ignore others |
445 |
root |
1.7 |
&& (key->state & state) == key->state) |
446 |
root |
1.2 |
return index; |
447 |
root |
1.10 |
else if ((key->keysym & KEYSYM_HASH_MASK) > hashkey && key->range == 1) |
448 |
root |
1.1 |
return -1; |
449 |
|
|
} |
450 |
|
|
|
451 |
|
|
return -1; |
452 |
|
|
} |
453 |
|
|
|
454 |
|
|
#endif /* KEYSYM_RESOURCE */ |
455 |
|
|
// vim:et:ts=2:sw=2 |