… | |
… | |
2 | * File: keyboard.C |
2 | * File: keyboard.C |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * |
4 | * |
5 | * All portions of code are copyright by their respective author/s. |
5 | * All portions of code are copyright by their respective author/s. |
6 | * Copyright (c) 2005 WU Fengguang |
6 | * Copyright (c) 2005 WU Fengguang |
7 | * Copyright (c) 2005-2006 Marc Lehmann <pcg@goof.com> |
7 | * Copyright (c) 2005-2006 Marc Lehmann <schmorp@schmorp.de> |
8 | * |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License as published by |
10 | * it under the terms of the GNU General Public License as published by |
11 | * the Free Software Foundation; either version 2 of the License, or |
11 | * the Free Software Foundation; either version 3 of the License, or |
12 | * (at your option) any later version. |
12 | * (at your option) any later version. |
13 | * |
13 | * |
14 | * This program is distributed in the hope that it will be useful, |
14 | * This program is distributed in the hope that it will be useful, |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
… | |
… | |
24 | #include "../config.h" |
24 | #include "../config.h" |
25 | #include "rxvt.h" |
25 | #include "rxvt.h" |
26 | |
26 | |
27 | #ifdef KEYSYM_RESOURCE |
27 | #ifdef KEYSYM_RESOURCE |
28 | |
28 | |
29 | #include <cstring> |
29 | #include <string.h> |
30 | |
30 | |
31 | #include "rxvtperl.h" |
31 | #include "rxvtperl.h" |
32 | #include "keyboard.h" |
32 | #include "keyboard.h" |
33 | #include "command.h" |
|
|
34 | |
33 | |
35 | /* an intro to the data structure: |
34 | /* an intro to the data structure: |
36 | * |
35 | * |
37 | * vector keymap[] is grouped. |
36 | * vector keymap[] is grouped. |
38 | * |
37 | * |
… | |
… | |
49 | * index: 0 I1 I2 I3 In |
48 | * index: 0 I1 I2 I3 In |
50 | * value: 0...0, A1...A1, A2...A2, A3...A3, ..., An...An |
49 | * value: 0...0, A1...A1, A2...A2, A3...A3, ..., An...An |
51 | * where |
50 | * where |
52 | * A1 = 0; |
51 | * A1 = 0; |
53 | * Ai+1 = N1 + N2 + ... + Ni. |
52 | * Ai+1 = N1 + N2 + ... + Ni. |
54 | * it is computed from hash_budget_size[]: |
53 | * it is computed from hash_bucket_size[]: |
55 | * index: 0 I1 I2 I3 In |
54 | * index: 0 I1 I2 I3 In |
56 | * value: 0...0, N1, 0...0, N2, 0...0, N3, ..., Nn, 0...0 |
55 | * value: 0...0, N1, 0...0, N2, 0...0, N3, ..., Nn, 0...0 |
57 | * 0...0, 0.......0, N1.....N1, N1+N2...N1+N2, ... (the compution of hash[]) |
56 | * 0...0, 0.......0, N1.....N1, N1+N2...N1+N2, ... (the computation of hash[]) |
58 | * or we can say |
57 | * or we can say |
59 | * hash_budget_size[Ii] = Ni; hash_budget_size[elsewhere] = 0, |
58 | * hash_bucket_size[Ii] = Ni; hash_bucket_size[elsewhere] = 0, |
60 | * where |
59 | * where |
61 | * set {I1, I2, ..., In} = { hashkey of keymap[0]->keysym, ..., keymap[keymap.size-1]->keysym } |
60 | * set {I1, I2, ..., In} = { hashkey of keymap[0]->keysym, ..., keymap[keymap.size-1]->keysym } |
62 | * where hashkey of keymap[i]->keysym = keymap[i]->keysym & KEYSYM_HASH_MASK |
61 | * where hashkey of keymap[i]->keysym = keymap[i]->keysym & KEYSYM_HASH_MASK |
63 | * n(the number of groups) = the number of non-zero member of hash_budget_size[]; |
62 | * n(the number of groups) = the number of non-zero member of hash_bucket_size[]; |
64 | * Ni(the size of group i) = hash_budget_size[Ii]. |
63 | * Ni(the size of group i) = hash_bucket_size[Ii]. |
65 | */ |
64 | */ |
66 | |
|
|
67 | #if STOCK_KEYMAP |
|
|
68 | //////////////////////////////////////////////////////////////////////////////// |
|
|
69 | // default keycode translation map and keyevent handlers |
|
|
70 | |
|
|
71 | keysym_t keyboard_manager::stock_keymap[] = { |
|
|
72 | /* examples */ |
|
|
73 | /* keysym, state, range, type, str */ |
|
|
74 | //{XK_ISO_Left_Tab, 0, 1, keysym_t::STRING, "\033[Z"}, |
|
|
75 | //{ 'a', 0, 26, keysym_t::RANGE_META8, "a" "%c"}, |
|
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76 | //{ 'a', ControlMask, 26, keysym_t::RANGE_META8, "" "%c"}, |
|
|
77 | //{ XK_Left, 0, 4, keysym_t::LIST, ".\033[.DACB."}, |
|
|
78 | //{ XK_Left, ShiftMask, 4, keysym_t::LIST, ".\033[.dacb."}, |
|
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79 | //{ XK_Left, ControlMask, 4, keysym_t::LIST, ".\033O.dacb."}, |
|
|
80 | //{ XK_Tab, ControlMask, 1, keysym_t::STRING, "\033<C-Tab>"}, |
|
|
81 | //{ XK_apostrophe, ControlMask, 1, keysym_t::STRING, "\033<C-'>"}, |
|
|
82 | //{ XK_slash, ControlMask, 1, keysym_t::STRING, "\033<C-/>"}, |
|
|
83 | //{ XK_semicolon, ControlMask, 1, keysym_t::STRING, "\033<C-;>"}, |
|
|
84 | //{ XK_grave, ControlMask, 1, keysym_t::STRING, "\033<C-`>"}, |
|
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85 | //{ XK_comma, ControlMask, 1, keysym_t::STRING, "\033<C-\054>"}, |
|
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86 | //{ XK_Return, ControlMask, 1, keysym_t::STRING, "\033<C-Return>"}, |
|
|
87 | //{ XK_Return, ShiftMask, 1, keysym_t::STRING, "\033<S-Return>"}, |
|
|
88 | //{ ' ', ShiftMask, 1, keysym_t::STRING, "\033<S-Space>"}, |
|
|
89 | //{ '.', ControlMask, 1, keysym_t::STRING, "\033<C-.>"}, |
|
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90 | //{ '0', ControlMask, 10, keysym_t::RANGE, "0" "\033<C-%c>"}, |
|
|
91 | //{ '0', MetaMask|ControlMask, 10, keysym_t::RANGE, "0" "\033<M-C-%c>"}, |
|
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92 | //{ 'a', MetaMask|ControlMask, 26, keysym_t::RANGE, "a" "\033<M-C-%c>"}, |
|
|
93 | }; |
|
|
94 | #endif |
|
|
95 | |
|
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96 | static void |
|
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97 | output_string (rxvt_term *rt, const char *str) |
|
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98 | { |
|
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99 | if (strncmp (str, "command:", 8) == 0) |
|
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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)); |
|
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103 | else |
|
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104 | rt->tt_write (str, strlen (str)); |
|
|
105 | } |
|
|
106 | |
|
|
107 | static void |
|
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108 | output_string_meta8 (rxvt_term *rt, unsigned int state, char *buf, int buflen) |
|
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109 | { |
|
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110 | if (state & rt->ModMetaMask) |
|
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111 | { |
|
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112 | #ifdef META8_OPTION |
|
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113 | if (rt->meta_char == 0x80) /* set 8-bit on */ |
|
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114 | { |
|
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115 | for (char *ch = buf; ch < buf + buflen; ch++) |
|
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116 | *ch |= 0x80; |
|
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117 | } |
|
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118 | else if (rt->meta_char == C0_ESC) /* escape prefix */ |
|
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119 | #endif |
|
|
120 | { |
|
|
121 | const char ch = C0_ESC; |
|
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122 | rt->tt_write (&ch, 1); |
|
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123 | } |
|
|
124 | } |
|
|
125 | |
|
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126 | rt->tt_write (buf, buflen); |
|
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127 | } |
|
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128 | |
|
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129 | static int |
|
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130 | format_keyrange_string (const char *str, int keysym_offset, char *buf, int bufsize) |
|
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131 | { |
|
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132 | size_t len = snprintf (buf, bufsize, str + 1, keysym_offset + str [0]); |
|
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133 | |
|
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134 | if (len >= (size_t)bufsize) |
|
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135 | { |
|
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136 | rxvt_warn ("format_keyrange_string: formatting failed, ignoring key.\n"); |
|
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137 | *buf = 0; |
|
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138 | } |
|
|
139 | |
|
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140 | return len; |
|
|
141 | } |
|
|
142 | |
65 | |
143 | // return: priority_of_a - priority_of_b |
66 | // return: priority_of_a - priority_of_b |
144 | static int |
67 | static int |
145 | compare_priority (keysym_t *a, keysym_t *b) |
68 | compare_priority (keysym_t *a, keysym_t *b) |
146 | { |
69 | { |
147 | // (the more '1's in state; the less range): the greater priority |
70 | // (the more '1's in state; the less range): the greater priority |
148 | int ca = rxvt_popcount (a->state /* & OtherModMask */); |
71 | int ca = ecb_popcount32 (a->state /* & OtherModMask */); |
149 | int cb = rxvt_popcount (b->state /* & OtherModMask */); |
72 | int cb = ecb_popcount32 (b->state /* & OtherModMask */); |
150 | |
73 | |
151 | if (ca != cb) |
|
|
152 | return ca - cb; |
74 | return ca - cb; |
153 | //else if (a->state != b->state) // this behavior is to be disscussed |
|
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154 | // return b->state - a->state; |
|
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155 | else |
|
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156 | return b->range - a->range; |
|
|
157 | } |
75 | } |
158 | |
76 | |
159 | //////////////////////////////////////////////////////////////////////////////// |
77 | //////////////////////////////////////////////////////////////////////////////// |
160 | keyboard_manager::keyboard_manager () |
78 | keyboard_manager::keyboard_manager () |
161 | { |
79 | { |
… | |
… | |
163 | hash [0] = 1; // hash[0] != 0 indicates uninitialized data |
81 | hash [0] = 1; // hash[0] != 0 indicates uninitialized data |
164 | } |
82 | } |
165 | |
83 | |
166 | keyboard_manager::~keyboard_manager () |
84 | keyboard_manager::~keyboard_manager () |
167 | { |
85 | { |
168 | clear (); |
86 | for (unsigned int i = 0; i < keymap.size (); ++i) |
|
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87 | { |
|
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88 | free (keymap [i]->str); |
|
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89 | delete keymap [i]; |
|
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90 | } |
169 | } |
91 | } |
170 | |
92 | |
171 | void |
93 | void |
172 | keyboard_manager::clear () |
94 | keyboard_manager::unregister_action (KeySym keysym, unsigned int state) |
173 | { |
95 | { |
174 | keymap.clear (); |
|
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175 | hash [0] = 2; |
|
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176 | |
|
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177 | for (unsigned int i = 0; i < user_translations.size (); ++i) |
|
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178 | { |
|
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179 | free ((void *)user_translations [i]); |
|
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180 | user_translations [i] = 0; |
|
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181 | } |
|
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182 | |
|
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183 | for (unsigned int i = 0; i < user_keymap.size (); ++i) |
96 | for (unsigned int i = 0; i < keymap.size (); ++i) |
|
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97 | if (keymap [i]->keysym == keysym |
|
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98 | && keymap [i]->state == state) |
184 | { |
99 | { |
|
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100 | free (keymap [i]->str); |
185 | delete user_keymap [i]; |
101 | delete keymap [i]; |
186 | user_keymap [i] = 0; |
102 | |
|
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103 | if (i < keymap.size () - 1) |
|
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104 | keymap [i] = keymap [keymap.size () - 1]; |
|
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105 | keymap.pop_back (); |
|
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106 | |
|
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107 | break; |
187 | } |
108 | } |
188 | |
|
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189 | user_keymap.clear (); |
|
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190 | user_translations.clear (); |
|
|
191 | } |
109 | } |
192 | |
110 | |
193 | // a wrapper for register_keymap, |
|
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194 | // so that outside codes don't have to know so much details. |
|
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195 | // |
|
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196 | // the string 'trans' is copied to an internal managed buffer, |
|
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197 | // so the caller can free memory of 'trans' at any time. |
|
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198 | void |
111 | void |
199 | keyboard_manager::register_user_translation (KeySym keysym, unsigned int state, const char *trans) |
112 | keyboard_manager::register_action (KeySym keysym, unsigned int state, const wchar_t *ws) |
200 | { |
113 | { |
|
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114 | char *action = rxvt_wcstoutf8 (ws); |
|
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115 | |
201 | keysym_t *key = new keysym_t; |
116 | keysym_t *key = new keysym_t; |
202 | wchar_t *wc = rxvt_mbstowcs (trans); |
|
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203 | char *translation = rxvt_wcstoutf8 (wc); |
|
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204 | free (wc); |
|
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205 | |
117 | |
206 | if (key && translation) |
|
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207 | { |
|
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208 | key->keysym = keysym; |
118 | key->keysym = keysym; |
209 | key->state = state; |
119 | key->state = state; |
210 | key->range = 1; |
|
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211 | key->str = translation; |
120 | key->str = action; |
212 | key->type = keysym_t::STRING; |
121 | key->type = keysym_t::STRING; |
213 | |
122 | |
214 | if (strncmp (translation, "list", 4) == 0 && translation [4]) |
|
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215 | { |
|
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216 | char *middle = strchr (translation + 5, translation [4]); |
|
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217 | char *suffix = strrchr (translation + 5, translation [4]); |
|
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218 | |
|
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219 | if (suffix && middle && suffix > middle + 1) |
|
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220 | { |
|
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221 | key->type = keysym_t::LIST; |
|
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222 | key->range = suffix - middle - 1; |
|
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223 | |
|
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224 | memmove (translation, translation + 4, strlen (translation + 4) + 1); |
|
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225 | } |
|
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226 | else |
|
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227 | rxvt_warn ("cannot parse list-type keysym '%s', treating as normal keysym.\n", translation); |
|
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228 | } |
|
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229 | else if (strncmp (translation, "builtin:", 8) == 0) |
123 | if (strncmp (action, "builtin:", 8) == 0) |
230 | key->type = keysym_t::BUILTIN; |
124 | key->type = keysym_t::BUILTIN; |
|
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125 | else if (strncmp (action, "builtin-string:", 15) == 0) |
|
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126 | key->type = keysym_t::BUILTIN_STRING; |
231 | |
127 | |
232 | user_keymap.push_back (key); |
128 | unregister_action (keysym, state); |
233 | user_translations.push_back (translation); |
|
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234 | register_keymap (key); |
|
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235 | } |
|
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236 | else |
|
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237 | { |
|
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238 | delete key; |
|
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239 | free ((void *)translation); |
|
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240 | rxvt_fatal ("out of memory, aborting.\n"); |
|
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241 | } |
|
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242 | } |
|
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243 | |
129 | |
244 | void |
|
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245 | keyboard_manager::register_keymap (keysym_t *key) |
|
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246 | { |
|
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247 | if (keymap.size () == keymap.capacity ()) |
130 | if (keymap.size () == keymap.capacity ()) |
248 | keymap.reserve (keymap.size () * 2); |
131 | keymap.reserve (keymap.size () * 2); |
249 | |
132 | |
250 | keymap.push_back (key); |
133 | keymap.push_back (key); |
251 | hash[0] = 3; |
134 | hash[0] = 3; |
252 | } |
135 | } |
253 | |
136 | |
254 | void |
137 | keysym_t * |
255 | keyboard_manager::register_done () |
|
|
256 | { |
|
|
257 | #if STOCK_KEYMAP |
|
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258 | int n = sizeof (stock_keymap) / sizeof (keysym_t); |
|
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259 | |
|
|
260 | //TODO: shield against repeated calls and empty keymap |
|
|
261 | //if (keymap.back () != &stock_keymap[n - 1]) |
|
|
262 | for (int i = 0; i < n; ++i) |
|
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263 | register_keymap (&stock_keymap[i]); |
|
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264 | #endif |
|
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265 | |
|
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266 | purge_duplicate_keymap (); |
|
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267 | |
|
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268 | setup_hash (); |
|
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269 | } |
|
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270 | |
|
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271 | bool |
|
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272 | keyboard_manager::dispatch (rxvt_term *term, KeySym keysym, unsigned int state) |
138 | keyboard_manager::lookup_keysym (rxvt_term *term, KeySym keysym, unsigned int state) |
273 | { |
139 | { |
274 | assert (hash[0] == 0 && "register_done() need to be called"); |
140 | assert (("register_done() need to be called", hash[0] == 0)); |
275 | |
141 | |
276 | state &= OtherModMask; // mask out uninteresting modifiers |
142 | state &= OtherModMask; // mask out uninteresting modifiers |
277 | |
143 | |
278 | if (state & term->ModMetaMask) state |= MetaMask; |
144 | if (state & term->ModMetaMask) state |= MetaMask; |
279 | if (state & term->ModNumLockMask) state |= NumLockMask; |
145 | if (state & term->ModNumLockMask) state |= NumLockMask; |
… | |
… | |
282 | if (!!(term->priv_modes & PrivMode_aplKP) != !!(state & ShiftMask)) |
148 | if (!!(term->priv_modes & PrivMode_aplKP) != !!(state & ShiftMask)) |
283 | state |= AppKeypadMask; |
149 | state |= AppKeypadMask; |
284 | |
150 | |
285 | int index = find_keysym (keysym, state); |
151 | int index = find_keysym (keysym, state); |
286 | |
152 | |
287 | if (index >= 0) |
153 | return index >= 0 ? keymap [index] : 0; |
288 | { |
154 | } |
289 | const keysym_t &key = *keymap [index]; |
|
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290 | |
155 | |
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156 | bool |
|
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157 | keyboard_manager::dispatch (rxvt_term *term, KeySym keysym, unsigned int state, const char *kbuf, int len) |
|
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158 | { |
|
|
159 | keysym_t *key = lookup_keysym (term, keysym, state); |
|
|
160 | |
|
|
161 | if (key) |
|
|
162 | { |
291 | if (key.type != keysym_t::BUILTIN) |
163 | if (key->type == keysym_t::BUILTIN_STRING) |
292 | { |
164 | { |
293 | int keysym_offset = keysym - key.keysym; |
165 | term->tt_write_user_input (kbuf, len); |
294 | |
|
|
295 | wchar_t *wc = rxvt_utf8towcs (key.str); |
|
|
296 | char *str = rxvt_wcstombs (wc); |
|
|
297 | // TODO: do (some) translations, unescaping etc, here (allow \u escape etc.) |
|
|
298 | free (wc); |
|
|
299 | |
|
|
300 | switch (key.type) |
|
|
301 | { |
|
|
302 | case keysym_t::STRING: |
|
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303 | output_string (term, str); |
|
|
304 | break; |
|
|
305 | |
|
|
306 | case keysym_t::RANGE: |
|
|
307 | { |
|
|
308 | char buf[STRING_MAX]; |
|
|
309 | |
|
|
310 | if (format_keyrange_string (str, keysym_offset, buf, sizeof (buf)) > 0) |
|
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311 | output_string (term, buf); |
|
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312 | } |
|
|
313 | break; |
|
|
314 | |
|
|
315 | case keysym_t::RANGE_META8: |
|
|
316 | { |
|
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317 | int len; |
|
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318 | char buf[STRING_MAX]; |
|
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319 | |
|
|
320 | len = format_keyrange_string (str, keysym_offset, buf, sizeof (buf)); |
|
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321 | if (len > 0) |
|
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322 | output_string_meta8 (term, state, buf, len); |
|
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323 | } |
|
|
324 | break; |
|
|
325 | |
|
|
326 | case keysym_t::LIST: |
|
|
327 | { |
|
|
328 | char buf[STRING_MAX]; |
|
|
329 | |
|
|
330 | char *prefix, *middle, *suffix; |
|
|
331 | |
|
|
332 | prefix = str; |
|
|
333 | middle = strchr (prefix + 1, *prefix); |
|
|
334 | suffix = strrchr (middle + 1, *prefix); |
|
|
335 | |
|
|
336 | memcpy (buf, prefix + 1, middle - prefix - 1); |
|
|
337 | buf [middle - prefix - 1] = middle [keysym_offset + 1]; |
|
|
338 | strcpy (buf + (middle - prefix), suffix + 1); |
|
|
339 | |
|
|
340 | output_string (term, buf); |
|
|
341 | } |
|
|
342 | break; |
|
|
343 | } |
|
|
344 | |
|
|
345 | free (str); |
|
|
346 | |
|
|
347 | return true; |
166 | return true; |
348 | } |
167 | } |
|
|
168 | else if (key->type != keysym_t::BUILTIN) |
|
|
169 | { |
|
|
170 | wchar_t *ws = rxvt_utf8towcs (key->str); |
|
|
171 | char *str = rxvt_wcstombs (ws); |
|
|
172 | // TODO: do (some) translations, unescaping etc, here (allow \u escape etc.) |
|
|
173 | free (ws); |
|
|
174 | |
|
|
175 | if (char *colon = strchr (str, ':')) |
|
|
176 | { |
|
|
177 | if (strncmp (str, "command:", 8) == 0) |
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178 | term->cmdbuf_append (str + 8, strlen (str) - 8); |
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179 | else if (strncmp (str, "string:", 7) == 0) |
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180 | term->tt_write_user_input (colon + 1, strlen (colon + 1)); |
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181 | else if (strncmp (str, "perl:", 5) == 0) |
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182 | HOOK_INVOKE ((term, HOOK_USER_COMMAND, DT_STR, colon + 1, DT_END)); |
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183 | else |
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184 | HOOK_INVOKE ((term, HOOK_ACTION, DT_STR_LEN, str, colon - str, DT_STR, colon + 1, DT_INT, 0, DT_STR_LEN, kbuf, len, DT_END)); |
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185 | } |
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186 | else |
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187 | term->tt_write_user_input (str, strlen (str)); |
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188 | |
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189 | free (str); |
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190 | |
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191 | return true; |
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192 | } |
349 | } |
193 | } |
350 | |
194 | |
351 | return false; |
195 | return false; |
352 | } |
196 | } |
353 | |
197 | |
354 | // purge duplicate keymap entries |
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355 | void keyboard_manager::purge_duplicate_keymap () |
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356 | { |
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357 | for (unsigned int i = 0; i < keymap.size (); ++i) |
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358 | { |
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359 | for (unsigned int j = 0; j < i; ++j) |
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360 | { |
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361 | if (keymap [i] == keymap [j]) |
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362 | { |
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363 | while (keymap [i] == keymap.back ()) |
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364 | keymap.pop_back (); |
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365 | |
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366 | if (i < keymap.size ()) |
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367 | { |
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368 | keymap[i] = keymap.back (); |
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369 | keymap.pop_back (); |
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370 | } |
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371 | |
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372 | break; |
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373 | } |
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374 | } |
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375 | } |
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376 | } |
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377 | |
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378 | void |
198 | void |
379 | keyboard_manager::setup_hash () |
199 | keyboard_manager::register_done () |
380 | { |
200 | { |
381 | unsigned int i, index, hashkey; |
201 | unsigned int i, index, hashkey; |
382 | vector <keysym_t *> sorted_keymap; |
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383 | uint16_t hash_budget_size[KEYSYM_HASH_BUDGETS]; // size of each budget |
202 | uint16_t hash_bucket_size[KEYSYM_HASH_BUCKETS]; // size of each bucket |
384 | uint16_t hash_budget_counter[KEYSYM_HASH_BUDGETS]; // #elements in each budget |
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385 | |
203 | |
386 | memset (hash_budget_size, 0, sizeof (hash_budget_size)); |
204 | memset (hash_bucket_size, 0, sizeof (hash_bucket_size)); |
387 | memset (hash_budget_counter, 0, sizeof (hash_budget_counter)); |
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388 | |
205 | |
389 | // determine hash bucket size |
206 | // determine hash bucket size |
390 | for (i = 0; i < keymap.size (); ++i) |
207 | for (i = 0; i < keymap.size (); ++i) |
391 | for (int j = min (keymap [i]->range, KEYSYM_HASH_BUDGETS) - 1; j >= 0; --j) |
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392 | { |
208 | { |
393 | hashkey = (keymap [i]->keysym + j) & KEYSYM_HASH_MASK; |
209 | hashkey = keymap [i]->keysym & KEYSYM_HASH_MASK; |
394 | ++hash_budget_size [hashkey]; |
210 | ++hash_bucket_size [hashkey]; |
395 | } |
211 | } |
396 | |
212 | |
397 | // now we know the size of each budget |
213 | // now we know the size of each bucket |
398 | // compute the index of each budget |
214 | // compute the index of each bucket |
399 | hash [0] = 0; |
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400 | for (index = 0, i = 1; i < KEYSYM_HASH_BUDGETS; ++i) |
215 | for (index = 0, i = 0; i < KEYSYM_HASH_BUCKETS; ++i) |
401 | { |
216 | { |
402 | index += hash_budget_size [i - 1]; |
|
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403 | hash [i] = index; |
217 | hash [i] = index; |
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218 | index += hash_bucket_size [i]; |
404 | } |
219 | } |
405 | |
220 | |
406 | // and allocate just enough space |
221 | // and allocate just enough space |
407 | sorted_keymap.insert (sorted_keymap.begin (), index + hash_budget_size [i - 1], 0); |
222 | simplevec <keysym_t *> sorted_keymap (index, 0); |
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223 | |
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224 | memset (hash_bucket_size, 0, sizeof (hash_bucket_size)); |
408 | |
225 | |
409 | // fill in sorted_keymap |
226 | // fill in sorted_keymap |
410 | // it is sorted in each budget |
227 | // it is sorted in each bucket |
411 | for (i = 0; i < keymap.size (); ++i) |
228 | for (i = 0; i < keymap.size (); ++i) |
412 | for (int j = min (keymap [i]->range, KEYSYM_HASH_BUDGETS) - 1; j >= 0; --j) |
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413 | { |
229 | { |
414 | hashkey = (keymap [i]->keysym + j) & KEYSYM_HASH_MASK; |
230 | hashkey = keymap [i]->keysym & KEYSYM_HASH_MASK; |
415 | |
231 | |
416 | index = hash [hashkey] + hash_budget_counter [hashkey]; |
232 | index = hash [hashkey] + hash_bucket_size [hashkey]; |
417 | |
233 | |
418 | while (index > hash [hashkey] |
234 | while (index > hash [hashkey] |
419 | && compare_priority (keymap [i], sorted_keymap [index - 1]) > 0) |
235 | && compare_priority (keymap [i], sorted_keymap [index - 1]) > 0) |
420 | { |
236 | { |
421 | sorted_keymap [index] = sorted_keymap [index - 1]; |
237 | sorted_keymap [index] = sorted_keymap [index - 1]; |
422 | --index; |
238 | --index; |
423 | } |
239 | } |
424 | |
240 | |
425 | sorted_keymap [index] = keymap [i]; |
241 | sorted_keymap [index] = keymap [i]; |
426 | ++hash_budget_counter [hashkey]; |
242 | ++hash_bucket_size [hashkey]; |
427 | } |
243 | } |
428 | |
244 | |
429 | keymap.swap (sorted_keymap); |
245 | keymap.swap (sorted_keymap); |
430 | |
246 | |
431 | #ifndef NDEBUG |
247 | #ifndef NDEBUG |
432 | // check for invariants |
248 | // check for invariants |
433 | for (i = 0; i < KEYSYM_HASH_BUDGETS; ++i) |
249 | for (i = 0; i < KEYSYM_HASH_BUCKETS; ++i) |
434 | { |
250 | { |
435 | index = hash[i]; |
251 | index = hash[i]; |
436 | for (int j = 0; j < hash_budget_size [i]; ++j) |
252 | for (int j = 0; j < hash_bucket_size [i]; ++j) |
437 | { |
253 | { |
438 | if (keymap [index + j]->range == 1) |
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439 | assert (i == (keymap [index + j]->keysym & KEYSYM_HASH_MASK)); |
254 | assert (i == (keymap [index + j]->keysym & KEYSYM_HASH_MASK)); |
440 | |
255 | |
441 | if (j) |
256 | if (j) |
442 | assert (compare_priority (keymap [index + j - 1], |
257 | assert (compare_priority (keymap [index + j - 1], |
443 | keymap [index + j]) >= 0); |
258 | keymap [index + j]) >= 0); |
444 | } |
259 | } |
… | |
… | |
446 | |
261 | |
447 | // this should be able to detect most possible bugs |
262 | // this should be able to detect most possible bugs |
448 | for (i = 0; i < sorted_keymap.size (); ++i) |
263 | for (i = 0; i < sorted_keymap.size (); ++i) |
449 | { |
264 | { |
450 | keysym_t *a = sorted_keymap[i]; |
265 | keysym_t *a = sorted_keymap[i]; |
451 | for (int j = 0; j < a->range; ++j) |
|
|
452 | { |
|
|
453 | int index = find_keysym (a->keysym + j, a->state); |
266 | int index = find_keysym (a->keysym, a->state); |
454 | |
267 | |
455 | assert (index >= 0); |
268 | assert (index >= 0); |
456 | keysym_t *b = keymap [index]; |
269 | keysym_t *b = keymap [index]; |
457 | assert (i == index // the normally expected result |
270 | assert (i == index // the normally expected result |
458 | || IN_RANGE_INC (a->keysym + j, b->keysym, b->keysym + b->range) |
271 | || a->keysym == b->keysym |
459 | && compare_priority (a, b) <= 0); // is effectively the same or a closer match |
272 | && compare_priority (a, b) <= 0); // is effectively the same or a closer match |
460 | } |
|
|
461 | } |
273 | } |
462 | #endif |
274 | #endif |
463 | } |
275 | } |
464 | |
276 | |
465 | int |
277 | int |
466 | keyboard_manager::find_keysym (KeySym keysym, unsigned int state) |
278 | keyboard_manager::find_keysym (KeySym keysym, unsigned int state) |
467 | { |
279 | { |
468 | int hashkey = keysym & KEYSYM_HASH_MASK; |
280 | int hashkey = keysym & KEYSYM_HASH_MASK; |
469 | unsigned int index = hash [hashkey]; |
281 | unsigned int index = hash [hashkey]; |
470 | unsigned int end = hashkey < KEYSYM_HASH_BUDGETS - 1 |
282 | unsigned int end = hashkey < KEYSYM_HASH_BUCKETS - 1 |
471 | ? hash [hashkey + 1] |
283 | ? hash [hashkey + 1] |
472 | : keymap.size (); |
284 | : keymap.size (); |
473 | |
285 | |
474 | for (; index < end; ++index) |
286 | for (; index < end; ++index) |
475 | { |
287 | { |
476 | keysym_t *key = keymap [index]; |
288 | keysym_t *key = keymap [index]; |
477 | |
289 | |
478 | if (key->keysym <= keysym && keysym < key->keysym + key->range |
290 | if (key->keysym == keysym |
479 | // match only the specified bits in state and ignore others |
291 | // match only the specified bits in state and ignore others |
480 | && (key->state & state) == key->state) |
292 | && (key->state & state) == key->state) |
481 | return index; |
293 | return index; |
482 | } |
294 | } |
483 | |
295 | |