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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 | //////////////////////////////////////////////////////////////////////////////// |
35 | /* an intro to the data structure: |
12 | // default keycode translation map and keyevent handlers |
36 | * |
13 | |
37 | * vector keymap[] is grouped. |
14 | keysym_t keyboard_manager::stock_keymap[] = { |
38 | * |
15 | /* examples */ |
39 | * inside each group, elements are sorted by the criteria given by compare_priority(). |
16 | /* keysym, state, range, handler, str */ |
40 | * the lookup of keysym is done in two steps: |
17 | //{XK_ISO_Left_Tab, 0, 1, NORMAL, "\033[Z"}, |
41 | * 1) locate the group corresponds to the keysym; |
18 | //{ 'a', 0, 26, RANGE_META8, "a" "%c"}, |
42 | * 2) do a linear search inside the group. |
19 | //{ 'a', ControlMask, 26, RANGE_META8, "" "%c"}, |
43 | * |
20 | //{ XK_Left, 0, 4, LIST, "DACBZ" "\033[Z"}, |
44 | * array hash[] effectively defines a map from a keysym to a group in keymap[]. |
21 | //{ XK_Left, ShiftMask, 4, LIST, "dacbZ" "\033[Z"}, |
45 | * |
22 | //{ XK_Left, ControlMask, 4, LIST, "dacbZ" "\033OZ"}, |
46 | * each group has its address(the index of first group element in keymap[]), |
23 | //{ XK_Tab, ControlMask, 1, NORMAL, "\033<C-Tab>"}, |
47 | * which is computed and stored in hash[]. |
24 | //{ XK_apostrophe, ControlMask, 1, NORMAL, "\033<C-'>"}, |
48 | * hash[] stores the addresses in the form of: |
25 | //{ XK_slash, ControlMask, 1, NORMAL, "\033<C-/>"}, |
49 | * index: 0 I1 I2 I3 In |
26 | //{ XK_semicolon, ControlMask, 1, NORMAL, "\033<C-;>"}, |
50 | * value: 0...0, A1...A1, A2...A2, A3...A3, ..., An...An |
27 | //{ XK_grave, ControlMask, 1, NORMAL, "\033<C-`>"}, |
51 | * where |
28 | //{ XK_comma, ControlMask, 1, NORMAL, "\033<C-\054>"}, |
52 | * A1 = 0; |
29 | //{ XK_Return, ControlMask, 1, NORMAL, "\033<C-Return>"}, |
53 | * Ai+1 = N1 + N2 + ... + Ni. |
30 | //{ XK_Return, ShiftMask, 1, NORMAL, "\033<S-Return>"}, |
54 | * it is computed from hash_bucket_size[]: |
31 | //{ ' ', ShiftMask, 1, NORMAL, "\033<S-Space>"}, |
55 | * index: 0 I1 I2 I3 In |
32 | //{ '.', ControlMask, 1, NORMAL, "\033<C-.>"}, |
56 | * value: 0...0, N1, 0...0, N2, 0...0, N3, ..., Nn, 0...0 |
33 | //{ '0', ControlMask, 10, RANGE, "0" "\033<C-%c>"}, |
57 | * 0...0, 0.......0, N1.....N1, N1+N2...N1+N2, ... (the computation of hash[]) |
34 | //{ '0', MetaMask|ControlMask, 10, RANGE, "0" "\033<M-C-%c>"}, |
58 | * or we can say |
35 | //{ 'a', MetaMask|ControlMask, 26, RANGE, "a" "\033<M-C-%c>"}, |
59 | * hash_bucket_size[Ii] = Ni; hash_bucket_size[elsewhere] = 0, |
36 | }; |
60 | * where |
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61 | * set {I1, I2, ..., In} = { hashkey of keymap[0]->keysym, ..., keymap[keymap.size-1]->keysym } |
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62 | * where hashkey of keymap[i]->keysym = keymap[i]->keysym & KEYSYM_HASH_MASK |
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63 | * n(the number of groups) = the number of non-zero member of hash_bucket_size[]; |
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64 | * Ni(the size of group i) = hash_bucket_size[Ii]. |
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65 | */ |
37 | |
66 | |
38 | static void |
67 | static void |
39 | output_string (rxvt_term *rt, const char *str) |
68 | output_string (rxvt_term *rt, const char *str) |
40 | { |
69 | { |
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70 | if (strncmp (str, "command:", 8) == 0) |
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71 | rt->cmd_write (str + 8, strlen (str) - 8); |
41 | if (strncmp (str, "proto:", 6) == 0) |
72 | else if (strncmp (str, "perl:", 5) == 0) |
42 | rt->cmd_write ((unsigned char *)str + 6, strlen (str) - 6); |
73 | HOOK_INVOKE((rt, HOOK_USER_COMMAND, DT_STR, str + 5, DT_END)); |
43 | else |
74 | else |
44 | rt->tt_write ((unsigned char *)str, strlen (str)); |
75 | rt->tt_write (str, strlen (str)); |
45 | } |
76 | } |
46 | |
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47 | static void |
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48 | output_string_meta8 (rxvt_term *rt, unsigned int state, char *buf, int buflen) |
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49 | { |
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50 | if (state & rt->ModMetaMask) |
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51 | { |
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52 | #ifdef META8_OPTION |
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53 | if (rt->meta_char == 0x80) /* set 8-bit on */ |
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54 | { |
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55 | for (char *ch = buf; ch < buf + buflen; ch++) |
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56 | *ch |= 0x80; |
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57 | } |
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58 | else if (rt->meta_char == C0_ESC) /* escape prefix */ |
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59 | #endif |
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60 | { |
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61 | const unsigned char ch = C0_ESC; |
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62 | rt->tt_write (&ch, 1); |
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63 | } |
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64 | } |
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65 | |
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66 | rt->tt_write ((unsigned char *) buf, buflen); |
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67 | } |
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68 | |
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69 | static int |
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70 | format_keyrange_string (const char *str, int keysym_offset, char *buf, int bufsize) |
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71 | { |
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72 | size_t len = snprintf (buf, bufsize, str + 1, keysym_offset + str [0]); |
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73 | |
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74 | if (len >= (size_t)bufsize) |
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75 | { |
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76 | rxvt_warn ("format_keyrange_string: formatting failed, ignoring key.\n"); |
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77 | *buf = 0; |
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78 | } |
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79 | |
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80 | return len; |
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81 | } |
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82 | |
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83 | //////////////////////////////////////////////////////////////////////////////// |
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84 | // return: #bits of '1' |
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85 | #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 3) |
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86 | # define bitcount(n) (__extension__ ({ uint32_t n__ = (n); __builtin_popcount (n); })) |
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87 | #else |
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88 | static int |
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89 | bitcount (uint16_t n) |
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90 | { |
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91 | int i; |
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92 | |
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93 | for (i = 0; n; ++i, n &= n - 1) |
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94 | ; |
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95 | |
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96 | return i; |
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97 | } |
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98 | #endif |
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99 | |
77 | |
100 | // return: priority_of_a - priority_of_b |
78 | // return: priority_of_a - priority_of_b |
101 | static int |
79 | static int |
102 | compare_priority (keysym_t *a, keysym_t *b) |
80 | compare_priority (keysym_t *a, keysym_t *b) |
103 | { |
81 | { |
104 | // (the more '1's in state; the less range): the greater priority |
82 | // (the more '1's in state; the less range): the greater priority |
105 | int ca = bitcount (a->state /* & OtherModMask */); |
83 | int ca = rxvt_popcount (a->state /* & OtherModMask */); |
106 | int cb = bitcount (b->state /* & OtherModMask */); |
84 | int cb = rxvt_popcount (b->state /* & OtherModMask */); |
107 | |
85 | |
108 | if (ca != cb) |
86 | if (ca != cb) |
109 | return ca - cb; |
87 | return ca - cb; |
110 | //else if (a->state != b->state) // this behavior is to be disscussed |
88 | //else if (a->state != b->state) // this behavior is to be discussed |
111 | // return b->state - a->state; |
89 | // return b->state - a->state; |
112 | else |
90 | else |
113 | return b->range - a->range; |
91 | return b->range - a->range; |
114 | } |
92 | } |
115 | |
93 | |
… | |
… | |
126 | } |
104 | } |
127 | |
105 | |
128 | void |
106 | void |
129 | keyboard_manager::clear () |
107 | keyboard_manager::clear () |
130 | { |
108 | { |
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109 | hash [0] = 2; |
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110 | |
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111 | for (unsigned int i = 0; i < keymap.size (); ++i) |
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112 | { |
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113 | free ((void *)keymap [i]->str); |
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114 | delete keymap [i]; |
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115 | keymap [i] = 0; |
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116 | } |
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117 | |
131 | keymap.clear (); |
118 | keymap.clear (); |
132 | hash [0] = 2; |
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133 | |
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134 | for (unsigned int i = 0; i < user_translations.size (); ++i) |
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135 | { |
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136 | free ((void *)user_translations [i]); |
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137 | user_translations [i] = 0; |
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138 | } |
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139 | |
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140 | for (unsigned int i = 0; i < user_keymap.size (); ++i) |
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141 | { |
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142 | delete user_keymap [i]; |
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143 | user_keymap [i] = 0; |
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144 | } |
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145 | |
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146 | user_keymap.clear (); |
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147 | user_translations.clear (); |
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148 | } |
119 | } |
149 | |
120 | |
150 | // a wrapper for register_keymap, |
121 | // a wrapper for register_keymap, |
151 | // so that outside codes don't have to know so much details. |
122 | // so that outside codes don't have to know so much details. |
152 | // |
123 | // |
… | |
… | |
155 | void |
126 | void |
156 | keyboard_manager::register_user_translation (KeySym keysym, unsigned int state, const char *trans) |
127 | keyboard_manager::register_user_translation (KeySym keysym, unsigned int state, const char *trans) |
157 | { |
128 | { |
158 | keysym_t *key = new keysym_t; |
129 | keysym_t *key = new keysym_t; |
159 | wchar_t *wc = rxvt_mbstowcs (trans); |
130 | wchar_t *wc = rxvt_mbstowcs (trans); |
160 | const char *translation = rxvt_wcstoutf8 (wc); |
131 | char *translation = rxvt_wcstoutf8 (wc); |
161 | free (wc); |
132 | free (wc); |
162 | |
133 | |
163 | if (key && translation) |
134 | if (key && translation) |
164 | { |
135 | { |
165 | key->keysym = keysym; |
136 | key->keysym = keysym; |
166 | key->state = state; |
137 | key->state = state; |
167 | key->range = 1; |
138 | key->range = 1; |
168 | key->str = translation; |
139 | key->str = translation; |
169 | key->type = keysym_t::NORMAL; |
140 | key->type = keysym_t::STRING; |
170 | |
141 | |
171 | if (strncmp (translation, "list", 4) == 0 && translation [4]) |
142 | if (strncmp (translation, "list", 4) == 0 && translation [4]) |
172 | { |
143 | { |
173 | char *middle = strchr (translation + 5, translation [4]); |
144 | char *middle = strchr (translation + 5, translation [4]); |
174 | char *suffix = strrchr (translation + 5, translation [4]); |
145 | char *suffix = strrchr (translation + 5, translation [4]); |
175 | |
146 | |
176 | if (suffix && middle && suffix > middle + 1) |
147 | if (suffix && middle && suffix > middle + 1) |
177 | { |
148 | { |
178 | key->type = keysym_t::LIST; |
149 | key->type = keysym_t::LIST; |
179 | key->range = suffix - middle - 1; |
150 | key->range = suffix - middle - 1; |
180 | |
151 | |
181 | strcpy (translation, translation + 4); |
152 | memmove (translation, translation + 4, strlen (translation + 4) + 1); |
182 | } |
153 | } |
183 | else |
154 | else |
184 | rxvt_warn ("cannot parse list-type keysym '%s', treating as normal keysym.\n", translation); |
155 | rxvt_warn ("cannot parse list-type keysym '%s', treating as normal keysym.\n", translation); |
185 | } |
156 | } |
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157 | else if (strncmp (translation, "builtin:", 8) == 0) |
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158 | key->type = keysym_t::BUILTIN; |
186 | |
159 | |
187 | user_keymap.push_back (key); |
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188 | user_translations.push_back (translation); |
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189 | register_keymap (key); |
160 | register_keymap (key); |
190 | } |
161 | } |
191 | else |
162 | else |
192 | { |
163 | { |
193 | delete key; |
164 | delete key; |
… | |
… | |
207 | } |
178 | } |
208 | |
179 | |
209 | void |
180 | void |
210 | keyboard_manager::register_done () |
181 | keyboard_manager::register_done () |
211 | { |
182 | { |
212 | unsigned int i, n = sizeof (stock_keymap) / sizeof (keysym_t); |
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213 | |
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214 | if (keymap.back () != &stock_keymap[n - 1]) |
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215 | for (i = 0; i < n; ++i) |
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216 | register_keymap (&stock_keymap[i]); |
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217 | |
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218 | purge_duplicate_keymap (); |
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219 | |
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220 | setup_hash (); |
183 | setup_hash (); |
221 | } |
184 | } |
222 | |
185 | |
223 | bool |
186 | bool |
224 | keyboard_manager::dispatch (rxvt_term *term, KeySym keysym, unsigned int state) |
187 | keyboard_manager::dispatch (rxvt_term *term, KeySym keysym, unsigned int state) |
225 | { |
188 | { |
226 | assert (hash[0] == 0 && "register_done() need to be called"); |
189 | assert (hash[0] == 0 && "register_done() need to be called"); |
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190 | |
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191 | state &= OtherModMask; // mask out uninteresting modifiers |
227 | |
192 | |
228 | if (state & term->ModMetaMask) state |= MetaMask; |
193 | if (state & term->ModMetaMask) state |= MetaMask; |
229 | if (state & term->ModNumLockMask) state |= NumLockMask; |
194 | if (state & term->ModNumLockMask) state |= NumLockMask; |
230 | if (state & term->ModLevel3Mask) state |= Level3Mask; |
195 | if (state & term->ModLevel3Mask) state |= Level3Mask; |
231 | |
196 | |
… | |
… | |
236 | |
201 | |
237 | if (index >= 0) |
202 | if (index >= 0) |
238 | { |
203 | { |
239 | const keysym_t &key = *keymap [index]; |
204 | const keysym_t &key = *keymap [index]; |
240 | |
205 | |
241 | int keysym_offset = keysym - key.keysym; |
206 | if (key.type != keysym_t::BUILTIN) |
242 | |
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243 | wchar_t *wc = rxvt_utf8towcs (key.str); |
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244 | |
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245 | char *str = rxvt_wcstombs (wc); |
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246 | // TODO: do translations, unescaping etc, here (allow \u escape etc.) |
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247 | free (wc); |
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248 | |
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249 | switch (key.type) |
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250 | { |
207 | { |
251 | case keysym_t::NORMAL: |
208 | int keysym_offset = keysym - key.keysym; |
252 | output_string (term, str); |
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253 | break; |
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254 | |
209 | |
255 | case keysym_t::RANGE: |
210 | wchar_t *wc = rxvt_utf8towcs (key.str); |
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211 | char *str = rxvt_wcstombs (wc); |
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212 | // TODO: do (some) translations, unescaping etc, here (allow \u escape etc.) |
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213 | free (wc); |
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214 | |
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215 | switch (key.type) |
256 | { |
216 | { |
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217 | case keysym_t::STRING: |
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218 | output_string (term, str); |
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219 | break; |
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220 | |
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221 | case keysym_t::LIST: |
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222 | { |
257 | char buf[STRING_MAX]; |
223 | char buf[STRING_MAX]; |
258 | |
224 | |
259 | if (format_keyrange_string (str, keysym_offset, buf, sizeof (buf)) > 0) |
225 | char *prefix, *middle, *suffix; |
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226 | |
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227 | prefix = str; |
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228 | middle = strchr (prefix + 1, *prefix); |
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229 | suffix = strrchr (middle + 1, *prefix); |
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230 | |
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231 | memcpy (buf, prefix + 1, middle - prefix - 1); |
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232 | buf [middle - prefix - 1] = middle [keysym_offset + 1]; |
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233 | strcpy (buf + (middle - prefix), suffix + 1); |
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234 | |
260 | output_string (term, buf); |
235 | output_string (term, buf); |
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236 | } |
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237 | break; |
261 | } |
238 | } |
262 | break; |
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263 | |
239 | |
264 | case keysym_t::RANGE_META8: |
240 | free (str); |
265 | { |
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266 | int len; |
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267 | char buf[STRING_MAX]; |
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268 | |
241 | |
269 | len = format_keyrange_string (str, keysym_offset, buf, sizeof (buf)); |
242 | return true; |
270 | if (len > 0) |
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271 | output_string_meta8 (term, state, buf, len); |
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272 | } |
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273 | break; |
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274 | |
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275 | case keysym_t::LIST: |
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276 | { |
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277 | char buf[STRING_MAX]; |
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278 | |
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279 | char *prefix, *middle, *suffix; |
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280 | |
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281 | prefix = str; |
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282 | middle = strchr (prefix + 1, *prefix); |
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283 | suffix = strrchr (middle + 1, *prefix); |
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284 | |
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285 | memcpy (buf, prefix + 1, middle - prefix - 1); |
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286 | buf [middle - prefix - 1] = middle [keysym_offset + 1]; |
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287 | strcpy (buf + (middle - prefix), suffix + 1); |
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288 | |
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289 | output_string (term, buf); |
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290 | } |
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291 | break; |
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292 | } |
243 | } |
293 | |
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294 | free (str); |
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295 | |
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296 | return true; |
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297 | } |
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298 | else |
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299 | { |
244 | } |
300 | // fprintf(stderr,"[%x:%x]",state,keysym); |
245 | |
301 | return false; |
246 | return false; |
302 | } |
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303 | } |
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304 | |
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305 | // purge duplicate keymap entries |
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306 | void keyboard_manager::purge_duplicate_keymap () |
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307 | { |
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308 | for (unsigned int i = 0; i < keymap.size (); ++i) |
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309 | { |
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310 | for (unsigned int j = 0; j < i; ++j) |
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311 | { |
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312 | if (keymap [i] == keymap [j]) |
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313 | { |
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314 | while (keymap [i] == keymap.back ()) |
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315 | keymap.pop_back (); |
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316 | |
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317 | if (i < keymap.size ()) |
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318 | { |
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319 | keymap[i] = keymap.back (); |
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320 | keymap.pop_back (); |
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321 | } |
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322 | break; |
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323 | } |
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324 | } |
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325 | } |
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326 | } |
247 | } |
327 | |
248 | |
328 | void |
249 | void |
329 | keyboard_manager::setup_hash () |
250 | keyboard_manager::setup_hash () |
330 | { |
251 | { |
331 | unsigned int i, index, hashkey; |
252 | unsigned int i, index, hashkey; |
332 | vector <keysym_t *> sorted_keymap; |
253 | vector <keysym_t *> sorted_keymap; |
333 | uint16_t hash_budget_size[KEYSYM_HASH_BUDGETS]; // size of each budget |
254 | uint16_t hash_bucket_size[KEYSYM_HASH_BUCKETS]; // size of each bucket |
334 | uint16_t hash_budget_counter[KEYSYM_HASH_BUDGETS]; // #elements in each budget |
255 | uint16_t hash_bucket_counter[KEYSYM_HASH_BUCKETS]; // #elements in each bucket |
335 | |
256 | |
336 | memset (hash_budget_size, 0, sizeof (hash_budget_size)); |
257 | memset (hash_bucket_size, 0, sizeof (hash_bucket_size)); |
337 | memset (hash_budget_counter, 0, sizeof (hash_budget_counter)); |
258 | memset (hash_bucket_counter, 0, sizeof (hash_bucket_counter)); |
338 | |
259 | |
339 | // count keysyms for corresponding hash budgets |
260 | // determine hash bucket size |
340 | for (i = 0; i < keymap.size (); ++i) |
261 | for (i = 0; i < keymap.size (); ++i) |
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262 | for (int j = min (keymap [i]->range, KEYSYM_HASH_BUCKETS) - 1; j >= 0; --j) |
341 | { |
263 | { |
342 | hashkey = keymap [i]->keysym & KEYSYM_HASH_MASK; |
264 | hashkey = (keymap [i]->keysym + j) & KEYSYM_HASH_MASK; |
343 | ++hash_budget_size [hashkey]; |
265 | ++hash_bucket_size [hashkey]; |
344 | } |
266 | } |
345 | |
267 | |
346 | // a keysym_t with range>1 is counted one more time for every keysym that |
268 | // now we know the size of each bucket |
347 | // lies in its range |
269 | // compute the index of each bucket |
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270 | hash [0] = 0; |
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271 | for (index = 0, i = 1; i < KEYSYM_HASH_BUCKETS; ++i) |
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272 | { |
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273 | index += hash_bucket_size [i - 1]; |
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274 | hash [i] = index; |
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275 | } |
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276 | |
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277 | // and allocate just enough space |
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278 | sorted_keymap.insert (sorted_keymap.begin (), index + hash_bucket_size [i - 1], 0); |
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279 | |
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280 | // fill in sorted_keymap |
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281 | // it is sorted in each bucket |
348 | for (i = 0; i < keymap.size (); ++i) |
282 | for (i = 0; i < keymap.size (); ++i) |
349 | { |
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350 | if (keymap[i]->range > 1) |
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351 | { |
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352 | for (int j = min (keymap [i]->range, KEYSYM_HASH_BUDGETS) - 1; j > 0; --j) |
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353 | { |
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354 | hashkey = ((keymap [i]->keysym + j) & KEYSYM_HASH_MASK); |
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355 | if (hash_budget_size [hashkey]) |
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356 | ++hash_budget_size [hashkey]; |
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357 | } |
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358 | } |
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359 | } |
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360 | |
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361 | // now we know the size of each budget |
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362 | // compute the index of each budget |
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363 | hash [0] = 0; |
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364 | for (index = 0, i = 1; i < KEYSYM_HASH_BUDGETS; ++i) |
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365 | { |
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366 | index += hash_budget_size [i - 1]; |
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367 | hash[i] = (hash_budget_size [i] ? index : hash [i - 1]); |
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368 | } |
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369 | |
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370 | // and allocate just enough space |
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371 | //sorted_keymap.reserve (hash[i - 1] + hash_budget_size[i - 1]); |
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372 | sorted_keymap.insert (sorted_keymap.begin (), index + hash_budget_size [i - 1], 0); |
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373 | |
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374 | // fill in sorted_keymap |
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375 | // it is sorted in each budget |
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376 | for (i = 0; i < keymap.size (); ++i) |
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377 | { |
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378 | for (int j = min (keymap [i]->range, KEYSYM_HASH_BUDGETS) - 1; j >= 0; --j) |
283 | for (int j = min (keymap [i]->range, KEYSYM_HASH_BUCKETS) - 1; j >= 0; --j) |
379 | { |
284 | { |
380 | hashkey = ((keymap [i]->keysym + j) & KEYSYM_HASH_MASK); |
285 | hashkey = (keymap [i]->keysym + j) & KEYSYM_HASH_MASK; |
381 | |
286 | |
382 | if (hash_budget_size [hashkey]) |
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383 | { |
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384 | index = hash [hashkey] + hash_budget_counter [hashkey]; |
287 | index = hash [hashkey] + hash_bucket_counter [hashkey]; |
385 | |
288 | |
386 | while (index > hash [hashkey] |
289 | while (index > hash [hashkey] |
387 | && compare_priority (keymap [i], sorted_keymap [index - 1]) > 0) |
290 | && compare_priority (keymap [i], sorted_keymap [index - 1]) > 0) |
388 | { |
291 | { |
389 | sorted_keymap [index] = sorted_keymap [index - 1]; |
292 | sorted_keymap [index] = sorted_keymap [index - 1]; |
390 | --index; |
293 | --index; |
391 | } |
294 | } |
392 | |
295 | |
393 | sorted_keymap [index] = keymap [i]; |
296 | sorted_keymap [index] = keymap [i]; |
394 | ++hash_budget_counter [hashkey]; |
297 | ++hash_bucket_counter [hashkey]; |
395 | } |
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396 | } |
298 | } |
397 | } |
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398 | |
299 | |
399 | keymap.swap (sorted_keymap); |
300 | keymap.swap (sorted_keymap); |
400 | |
301 | |
401 | #if defined (DEBUG_STRICT) || defined (DEBUG_KEYBOARD) |
302 | #ifndef NDEBUG |
402 | // check for invariants |
303 | // check for invariants |
403 | for (i = 0; i < KEYSYM_HASH_BUDGETS; ++i) |
304 | for (i = 0; i < KEYSYM_HASH_BUCKETS; ++i) |
404 | { |
305 | { |
405 | index = hash[i]; |
306 | index = hash[i]; |
406 | for (int j = 0; j < hash_budget_size [i]; ++j) |
307 | for (int j = 0; j < hash_bucket_size [i]; ++j) |
407 | { |
308 | { |
408 | if (keymap [index + j]->range == 1) |
309 | if (keymap [index + j]->range == 1) |
409 | assert (i == (keymap [index + j]->keysym & KEYSYM_HASH_MASK)); |
310 | assert (i == (keymap [index + j]->keysym & KEYSYM_HASH_MASK)); |
410 | |
311 | |
411 | if (j) |
312 | if (j) |
… | |
… | |
422 | { |
323 | { |
423 | int index = find_keysym (a->keysym + j, a->state); |
324 | int index = find_keysym (a->keysym + j, a->state); |
424 | |
325 | |
425 | assert (index >= 0); |
326 | assert (index >= 0); |
426 | keysym_t *b = keymap [index]; |
327 | keysym_t *b = keymap [index]; |
427 | assert (i == (signed) index || // the normally expected result |
328 | assert (i == index // the normally expected result |
428 | (a->keysym + j) >= b->keysym && (a->keysym + j) <= (b->keysym + b->range) && compare_priority (a, b) <= 0); // is effectively the same |
329 | || IN_RANGE_INC (a->keysym + j, b->keysym, b->keysym + b->range) |
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330 | && compare_priority (a, b) <= 0); // is effectively the same or a closer match |
429 | } |
331 | } |
430 | } |
332 | } |
431 | #endif |
333 | #endif |
432 | } |
334 | } |
433 | |
335 | |
434 | int |
336 | int |
435 | keyboard_manager::find_keysym (KeySym keysym, unsigned int state) |
337 | keyboard_manager::find_keysym (KeySym keysym, unsigned int state) |
436 | { |
338 | { |
437 | int hashkey = keysym & KEYSYM_HASH_MASK; |
339 | int hashkey = keysym & KEYSYM_HASH_MASK; |
438 | unsigned int index = hash [hashkey]; |
340 | unsigned int index = hash [hashkey]; |
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341 | unsigned int end = hashkey < KEYSYM_HASH_BUCKETS - 1 |
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342 | ? hash [hashkey + 1] |
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343 | : keymap.size (); |
439 | |
344 | |
440 | for (; index < keymap.size (); ++index) |
345 | for (; index < end; ++index) |
441 | { |
346 | { |
442 | keysym_t *key = keymap [index]; |
347 | keysym_t *key = keymap [index]; |
443 | |
348 | |
444 | if (key->keysym <= keysym && key->keysym + key->range > keysym |
349 | if (key->keysym <= keysym && keysym < key->keysym + key->range |
445 | // match only the specified bits in state and ignore others |
350 | // match only the specified bits in state and ignore others |
446 | && (key->state & state) == key->state) |
351 | && (key->state & state) == key->state) |
447 | return index; |
352 | return index; |
448 | else if (key->keysym > keysym && key->range == 1) |
|
|
449 | return -1; |
|
|
450 | } |
353 | } |
451 | |
354 | |
452 | return -1; |
355 | return -1; |
453 | } |
356 | } |
454 | |
357 | |