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1 | /*----------------------------------------------------------------------* |
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2 | * File: keyboard.C |
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3 | *----------------------------------------------------------------------* |
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4 | * |
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5 | * All portions of code are copyright by their respective author/s. |
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6 | * Copyright (c) 2005 WU Fengguang |
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7 | * Copyright (c) 2005-2006 Marc Lehmann <pcg@goof.com> |
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8 | * |
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9 | * This program is free software; you can redistribute it and/or modify |
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10 | * it under the terms of the GNU General Public License as published by |
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11 | * the Free Software Foundation; either version 2 of the License, or |
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12 | * (at your option) any later version. |
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13 | * |
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14 | * This program is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this program; if not, write to the Free Software |
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21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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22 | *----------------------------------------------------------------------*/ |
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23 | |
1 | #include "../config.h" |
24 | #include "../config.h" |
2 | #include "rxvt.h" |
25 | #include "rxvt.h" |
3 | |
26 | |
4 | #ifdef KEYSYM_RESOURCE |
27 | #ifdef KEYSYM_RESOURCE |
5 | |
28 | |
6 | #include <cstring> |
29 | #include <cstring> |
7 | |
30 | |
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31 | #include "rxvtperl.h" |
8 | #include "keyboard.h" |
32 | #include "keyboard.h" |
9 | #include "command.h" |
33 | #include "command.h" |
10 | |
34 | |
11 | /* an intro to the data structure: |
35 | /* an intro to the data structure: |
12 | * |
36 | * |
… | |
… | |
44 | //////////////////////////////////////////////////////////////////////////////// |
68 | //////////////////////////////////////////////////////////////////////////////// |
45 | // default keycode translation map and keyevent handlers |
69 | // default keycode translation map and keyevent handlers |
46 | |
70 | |
47 | keysym_t keyboard_manager::stock_keymap[] = { |
71 | keysym_t keyboard_manager::stock_keymap[] = { |
48 | /* examples */ |
72 | /* examples */ |
49 | /* keysym, state, range, handler, str */ |
73 | /* keysym, state, range, type, str */ |
50 | //{XK_ISO_Left_Tab, 0, 1, keysym_t::NORMAL, "\033[Z"}, |
74 | //{XK_ISO_Left_Tab, 0, 1, keysym_t::STRING, "\033[Z"}, |
51 | //{ 'a', 0, 26, keysym_t::RANGE_META8, "a" "%c"}, |
75 | //{ 'a', 0, 26, keysym_t::RANGE_META8, "a" "%c"}, |
52 | //{ 'a', ControlMask, 26, keysym_t::RANGE_META8, "" "%c"}, |
76 | //{ 'a', ControlMask, 26, keysym_t::RANGE_META8, "" "%c"}, |
53 | //{ XK_Left, 0, 4, keysym_t::LIST, ".\033[.DACB."}, |
77 | //{ XK_Left, 0, 4, keysym_t::LIST, ".\033[.DACB."}, |
54 | //{ XK_Left, ShiftMask, 4, keysym_t::LIST, ".\033[.dacb."}, |
78 | //{ XK_Left, ShiftMask, 4, keysym_t::LIST, ".\033[.dacb."}, |
55 | //{ XK_Left, ControlMask, 4, keysym_t::LIST, ".\033O.dacb."}, |
79 | //{ XK_Left, ControlMask, 4, keysym_t::LIST, ".\033O.dacb."}, |
56 | //{ XK_Tab, ControlMask, 1, keysym_t::NORMAL, "\033<C-Tab>"}, |
80 | //{ XK_Tab, ControlMask, 1, keysym_t::STRING, "\033<C-Tab>"}, |
57 | //{ XK_apostrophe, ControlMask, 1, keysym_t::NORMAL, "\033<C-'>"}, |
81 | //{ XK_apostrophe, ControlMask, 1, keysym_t::STRING, "\033<C-'>"}, |
58 | //{ XK_slash, ControlMask, 1, keysym_t::NORMAL, "\033<C-/>"}, |
82 | //{ XK_slash, ControlMask, 1, keysym_t::STRING, "\033<C-/>"}, |
59 | //{ XK_semicolon, ControlMask, 1, keysym_t::NORMAL, "\033<C-;>"}, |
83 | //{ XK_semicolon, ControlMask, 1, keysym_t::STRING, "\033<C-;>"}, |
60 | //{ XK_grave, ControlMask, 1, keysym_t::NORMAL, "\033<C-`>"}, |
84 | //{ XK_grave, ControlMask, 1, keysym_t::STRING, "\033<C-`>"}, |
61 | //{ XK_comma, ControlMask, 1, keysym_t::NORMAL, "\033<C-\054>"}, |
85 | //{ XK_comma, ControlMask, 1, keysym_t::STRING, "\033<C-\054>"}, |
62 | //{ XK_Return, ControlMask, 1, keysym_t::NORMAL, "\033<C-Return>"}, |
86 | //{ XK_Return, ControlMask, 1, keysym_t::STRING, "\033<C-Return>"}, |
63 | //{ XK_Return, ShiftMask, 1, keysym_t::NORMAL, "\033<S-Return>"}, |
87 | //{ XK_Return, ShiftMask, 1, keysym_t::STRING, "\033<S-Return>"}, |
64 | //{ ' ', ShiftMask, 1, keysym_t::NORMAL, "\033<S-Space>"}, |
88 | //{ ' ', ShiftMask, 1, keysym_t::STRING, "\033<S-Space>"}, |
65 | //{ '.', ControlMask, 1, keysym_t::NORMAL, "\033<C-.>"}, |
89 | //{ '.', ControlMask, 1, keysym_t::STRING, "\033<C-.>"}, |
66 | //{ '0', ControlMask, 10, keysym_t::RANGE, "0" "\033<C-%c>"}, |
90 | //{ '0', ControlMask, 10, keysym_t::RANGE, "0" "\033<C-%c>"}, |
67 | //{ '0', MetaMask|ControlMask, 10, keysym_t::RANGE, "0" "\033<M-C-%c>"}, |
91 | //{ '0', MetaMask|ControlMask, 10, keysym_t::RANGE, "0" "\033<M-C-%c>"}, |
68 | //{ 'a', MetaMask|ControlMask, 26, keysym_t::RANGE, "a" "\033<M-C-%c>"}, |
92 | //{ 'a', MetaMask|ControlMask, 26, keysym_t::RANGE, "a" "\033<M-C-%c>"}, |
69 | }; |
93 | }; |
70 | #endif |
94 | #endif |
71 | |
95 | |
72 | static void |
96 | static void |
73 | output_string (rxvt_term *rt, const char *str) |
97 | output_string (rxvt_term *rt, const char *str) |
74 | { |
98 | { |
75 | if (strncmp (str, "command:", 8) == 0) |
99 | if (strncmp (str, "command:", 8) == 0) |
76 | rt->cmd_write ((unsigned char *)str + 8, strlen (str) - 8); |
100 | rt->cmd_write (str + 8, strlen (str) - 8); |
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101 | else if (strncmp (str, "perl:", 5) == 0) |
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102 | HOOK_INVOKE((rt, HOOK_USER_COMMAND, DT_STR, str + 5, DT_END)); |
77 | else |
103 | else |
78 | rt->tt_write ((unsigned char *)str, strlen (str)); |
104 | rt->tt_write (str, strlen (str)); |
79 | } |
105 | } |
80 | |
106 | |
81 | static void |
107 | static void |
82 | output_string_meta8 (rxvt_term *rt, unsigned int state, char *buf, int buflen) |
108 | output_string_meta8 (rxvt_term *rt, unsigned int state, char *buf, int buflen) |
83 | { |
109 | { |
… | |
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90 | *ch |= 0x80; |
116 | *ch |= 0x80; |
91 | } |
117 | } |
92 | else if (rt->meta_char == C0_ESC) /* escape prefix */ |
118 | else if (rt->meta_char == C0_ESC) /* escape prefix */ |
93 | #endif |
119 | #endif |
94 | { |
120 | { |
95 | const unsigned char ch = C0_ESC; |
121 | const char ch = C0_ESC; |
96 | rt->tt_write (&ch, 1); |
122 | rt->tt_write (&ch, 1); |
97 | } |
123 | } |
98 | } |
124 | } |
99 | |
125 | |
100 | rt->tt_write ((unsigned char *) buf, buflen); |
126 | rt->tt_write (buf, buflen); |
101 | } |
127 | } |
102 | |
128 | |
103 | static int |
129 | static int |
104 | format_keyrange_string (const char *str, int keysym_offset, char *buf, int bufsize) |
130 | format_keyrange_string (const char *str, int keysym_offset, char *buf, int bufsize) |
105 | { |
131 | { |
… | |
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111 | *buf = 0; |
137 | *buf = 0; |
112 | } |
138 | } |
113 | |
139 | |
114 | return len; |
140 | return len; |
115 | } |
141 | } |
116 | |
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117 | //////////////////////////////////////////////////////////////////////////////// |
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118 | // return: #bits of '1' |
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119 | #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 3) |
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120 | # define bitcount(n) (__extension__ ({ uint32_t n__ = (n); __builtin_popcount (n); })) |
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121 | #else |
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122 | static int |
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123 | bitcount (uint16_t n) |
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124 | { |
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125 | int i; |
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126 | |
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127 | for (i = 0; n; ++i, n &= n - 1) |
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128 | ; |
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129 | |
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130 | return i; |
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131 | } |
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132 | #endif |
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133 | |
142 | |
134 | // return: priority_of_a - priority_of_b |
143 | // return: priority_of_a - priority_of_b |
135 | static int |
144 | static int |
136 | compare_priority (keysym_t *a, keysym_t *b) |
145 | compare_priority (keysym_t *a, keysym_t *b) |
137 | { |
146 | { |
138 | // (the more '1's in state; the less range): the greater priority |
147 | // (the more '1's in state; the less range): the greater priority |
139 | int ca = bitcount (a->state /* & OtherModMask */); |
148 | int ca = rxvt_popcount (a->state /* & OtherModMask */); |
140 | int cb = bitcount (b->state /* & OtherModMask */); |
149 | int cb = rxvt_popcount (b->state /* & OtherModMask */); |
141 | |
150 | |
142 | if (ca != cb) |
151 | if (ca != cb) |
143 | return ca - cb; |
152 | return ca - cb; |
144 | //else if (a->state != b->state) // this behavior is to be disscussed |
153 | //else if (a->state != b->state) // this behavior is to be disscussed |
145 | // return b->state - a->state; |
154 | // return b->state - a->state; |
… | |
… | |
189 | void |
198 | void |
190 | keyboard_manager::register_user_translation (KeySym keysym, unsigned int state, const char *trans) |
199 | keyboard_manager::register_user_translation (KeySym keysym, unsigned int state, const char *trans) |
191 | { |
200 | { |
192 | keysym_t *key = new keysym_t; |
201 | keysym_t *key = new keysym_t; |
193 | wchar_t *wc = rxvt_mbstowcs (trans); |
202 | wchar_t *wc = rxvt_mbstowcs (trans); |
194 | const char *translation = rxvt_wcstoutf8 (wc); |
203 | char *translation = rxvt_wcstoutf8 (wc); |
195 | free (wc); |
204 | free (wc); |
196 | |
205 | |
197 | if (key && translation) |
206 | if (key && translation) |
198 | { |
207 | { |
199 | key->keysym = keysym; |
208 | key->keysym = keysym; |
200 | key->state = state; |
209 | key->state = state; |
201 | key->range = 1; |
210 | key->range = 1; |
202 | key->str = translation; |
211 | key->str = translation; |
203 | key->type = keysym_t::NORMAL; |
212 | key->type = keysym_t::STRING; |
204 | |
213 | |
205 | if (strncmp (translation, "list", 4) == 0 && translation [4]) |
214 | if (strncmp (translation, "list", 4) == 0 && translation [4]) |
206 | { |
215 | { |
207 | char *middle = strchr (translation + 5, translation [4]); |
216 | char *middle = strchr (translation + 5, translation [4]); |
208 | char *suffix = strrchr (translation + 5, translation [4]); |
217 | char *suffix = strrchr (translation + 5, translation [4]); |
209 | |
218 | |
210 | if (suffix && middle && suffix > middle + 1) |
219 | if (suffix && middle && suffix > middle + 1) |
211 | { |
220 | { |
212 | key->type = keysym_t::LIST; |
221 | key->type = keysym_t::LIST; |
213 | key->range = suffix - middle - 1; |
222 | key->range = suffix - middle - 1; |
214 | |
223 | |
215 | strcpy (translation, translation + 4); |
224 | memmove (translation, translation + 4, strlen (translation + 4) + 1); |
216 | } |
225 | } |
217 | else |
226 | else |
218 | rxvt_warn ("cannot parse list-type keysym '%s', treating as normal keysym.\n", translation); |
227 | rxvt_warn ("cannot parse list-type keysym '%s', treating as normal keysym.\n", translation); |
219 | } |
228 | } |
220 | else if (strncmp (translation, "builtin:", 8) == 0) |
229 | else if (strncmp (translation, "builtin:", 8) == 0) |
… | |
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288 | // TODO: do (some) translations, unescaping etc, here (allow \u escape etc.) |
297 | // TODO: do (some) translations, unescaping etc, here (allow \u escape etc.) |
289 | free (wc); |
298 | free (wc); |
290 | |
299 | |
291 | switch (key.type) |
300 | switch (key.type) |
292 | { |
301 | { |
293 | case keysym_t::NORMAL: |
302 | case keysym_t::STRING: |
294 | output_string (term, str); |
303 | output_string (term, str); |
295 | break; |
304 | break; |
296 | |
305 | |
297 | case keysym_t::RANGE: |
306 | case keysym_t::RANGE: |
298 | { |
307 | { |
… | |
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417 | ++hash_budget_counter [hashkey]; |
426 | ++hash_budget_counter [hashkey]; |
418 | } |
427 | } |
419 | |
428 | |
420 | keymap.swap (sorted_keymap); |
429 | keymap.swap (sorted_keymap); |
421 | |
430 | |
422 | #if defined (DEBUG_STRICT) || defined (DEBUG_KEYBOARD) |
431 | #ifdef DEBUG_STRICT |
423 | // check for invariants |
432 | // check for invariants |
424 | for (i = 0; i < KEYSYM_HASH_BUDGETS; ++i) |
433 | for (i = 0; i < KEYSYM_HASH_BUDGETS; ++i) |
425 | { |
434 | { |
426 | index = hash[i]; |
435 | index = hash[i]; |
427 | for (int j = 0; j < hash_budget_size [i]; ++j) |
436 | for (int j = 0; j < hash_budget_size [i]; ++j) |
… | |
… | |
443 | { |
452 | { |
444 | int index = find_keysym (a->keysym + j, a->state); |
453 | int index = find_keysym (a->keysym + j, a->state); |
445 | |
454 | |
446 | assert (index >= 0); |
455 | assert (index >= 0); |
447 | keysym_t *b = keymap [index]; |
456 | keysym_t *b = keymap [index]; |
448 | assert (i == (signed) index || // the normally expected result |
457 | assert (i == index // the normally expected result |
449 | (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 |
458 | || IN_RANGE_INC (a->keysym + j, b->keysym, b->keysym + b->range) |
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459 | && compare_priority (a, b) <= 0); // is effectively the same or a closer match |
450 | } |
460 | } |
451 | } |
461 | } |
452 | #endif |
462 | #endif |
453 | } |
463 | } |
454 | |
464 | |
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456 | keyboard_manager::find_keysym (KeySym keysym, unsigned int state) |
466 | keyboard_manager::find_keysym (KeySym keysym, unsigned int state) |
457 | { |
467 | { |
458 | int hashkey = keysym & KEYSYM_HASH_MASK; |
468 | int hashkey = keysym & KEYSYM_HASH_MASK; |
459 | unsigned int index = hash [hashkey]; |
469 | unsigned int index = hash [hashkey]; |
460 | unsigned int end = hashkey < KEYSYM_HASH_BUDGETS - 1 |
470 | unsigned int end = hashkey < KEYSYM_HASH_BUDGETS - 1 |
461 | ? hash [hashkey + 1] |
471 | ? hash [hashkey + 1] |
462 | : keymap.size (); |
472 | : keymap.size (); |
463 | |
473 | |
464 | for (; index < end; ++index) |
474 | for (; index < end; ++index) |
465 | { |
475 | { |
466 | keysym_t *key = keymap [index]; |
476 | keysym_t *key = keymap [index]; |