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1 | 3d11d0eb | bellard | /*
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2 | 3d11d0eb | bellard | * QEMU keysym to keycode conversion using rdesktop keymaps
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3 | 5fafdf24 | ths | *
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4 | 3d11d0eb | bellard | * Copyright (c) 2004 Johannes Schindelin
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5 | 5fafdf24 | ths | *
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6 | 3d11d0eb | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 3d11d0eb | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | 3d11d0eb | bellard | * in the Software without restriction, including without limitation the rights
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9 | 3d11d0eb | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 3d11d0eb | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | 3d11d0eb | bellard | * furnished to do so, subject to the following conditions:
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12 | 3d11d0eb | bellard | *
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13 | 3d11d0eb | bellard | * The above copyright notice and this permission notice shall be included in
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14 | 3d11d0eb | bellard | * all copies or substantial portions of the Software.
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15 | 3d11d0eb | bellard | *
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16 | 3d11d0eb | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 3d11d0eb | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 3d11d0eb | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 3d11d0eb | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 3d11d0eb | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 3d11d0eb | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 3d11d0eb | bellard | * THE SOFTWARE.
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23 | 3d11d0eb | bellard | */
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24 | 3d11d0eb | bellard | |
25 | 3d11d0eb | bellard | static int get_keysym(const char *name) |
26 | 3d11d0eb | bellard | { |
27 | 3d11d0eb | bellard | name2keysym_t *p; |
28 | 3d11d0eb | bellard | for(p = name2keysym; p->name != NULL; p++) { |
29 | 3d11d0eb | bellard | if (!strcmp(p->name, name))
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30 | 3d11d0eb | bellard | return p->keysym;
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31 | 3d11d0eb | bellard | } |
32 | 3d11d0eb | bellard | return 0; |
33 | 3d11d0eb | bellard | } |
34 | 3d11d0eb | bellard | |
35 | a528b80c | balrog | struct key_range {
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36 | a528b80c | balrog | int start;
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37 | a528b80c | balrog | int end;
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38 | a528b80c | balrog | struct key_range *next;
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39 | a528b80c | balrog | }; |
40 | a528b80c | balrog | |
41 | 3d11d0eb | bellard | #define MAX_NORMAL_KEYCODE 512 |
42 | 3d11d0eb | bellard | #define MAX_EXTRA_COUNT 256 |
43 | 3d11d0eb | bellard | typedef struct { |
44 | 3d11d0eb | bellard | uint16_t keysym2keycode[MAX_NORMAL_KEYCODE]; |
45 | 3d11d0eb | bellard | struct {
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46 | 3d11d0eb | bellard | int keysym;
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47 | 3d11d0eb | bellard | uint16_t keycode; |
48 | 3d11d0eb | bellard | } keysym2keycode_extra[MAX_EXTRA_COUNT]; |
49 | 3d11d0eb | bellard | int extra_count;
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50 | a528b80c | balrog | struct key_range *keypad_range;
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51 | a528b80c | balrog | struct key_range *numlock_range;
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52 | 3d11d0eb | bellard | } kbd_layout_t; |
53 | 3d11d0eb | bellard | |
54 | a528b80c | balrog | static void add_to_key_range(struct key_range **krp, int code) { |
55 | a528b80c | balrog | struct key_range *kr;
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56 | a528b80c | balrog | for (kr = *krp; kr; kr = kr->next) {
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57 | a528b80c | balrog | if (code >= kr->start && code <= kr->end)
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58 | a528b80c | balrog | break;
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59 | a528b80c | balrog | if (code == kr->start - 1) { |
60 | a528b80c | balrog | kr->start--; |
61 | a528b80c | balrog | break;
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62 | a528b80c | balrog | } |
63 | a528b80c | balrog | if (code == kr->end + 1) { |
64 | a528b80c | balrog | kr->end++; |
65 | a528b80c | balrog | break;
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66 | a528b80c | balrog | } |
67 | a528b80c | balrog | } |
68 | a528b80c | balrog | if (kr == NULL) { |
69 | a528b80c | balrog | kr = qemu_mallocz(sizeof(*kr));
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70 | a528b80c | balrog | if (kr) {
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71 | a528b80c | balrog | kr->start = kr->end = code; |
72 | a528b80c | balrog | kr->next = *krp; |
73 | a528b80c | balrog | *krp = kr; |
74 | a528b80c | balrog | } |
75 | a528b80c | balrog | } |
76 | a528b80c | balrog | } |
77 | a528b80c | balrog | |
78 | 3d11d0eb | bellard | static kbd_layout_t *parse_keyboard_layout(const char *language, |
79 | 3d11d0eb | bellard | kbd_layout_t * k) |
80 | 3d11d0eb | bellard | { |
81 | 3d11d0eb | bellard | FILE *f; |
82 | 3d11d0eb | bellard | char file_name[1024]; |
83 | 3d11d0eb | bellard | char line[1024]; |
84 | 3d11d0eb | bellard | int len;
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85 | 3d11d0eb | bellard | |
86 | 3d11d0eb | bellard | snprintf(file_name, sizeof(file_name),
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87 | 3d11d0eb | bellard | "%s/keymaps/%s", bios_dir, language);
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88 | 3d11d0eb | bellard | |
89 | 3d11d0eb | bellard | if (!k)
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90 | 3d11d0eb | bellard | k = qemu_mallocz(sizeof(kbd_layout_t));
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91 | 3d11d0eb | bellard | if (!k)
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92 | 3d11d0eb | bellard | return 0; |
93 | 3d11d0eb | bellard | if (!(f = fopen(file_name, "r"))) { |
94 | 3d11d0eb | bellard | fprintf(stderr, |
95 | 3d11d0eb | bellard | "Could not read keymap file: '%s'\n", file_name);
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96 | 3d11d0eb | bellard | return 0; |
97 | 3d11d0eb | bellard | } |
98 | 3d11d0eb | bellard | for(;;) {
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99 | 3d11d0eb | bellard | if (fgets(line, 1024, f) == NULL) |
100 | 3d11d0eb | bellard | break;
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101 | 3d11d0eb | bellard | len = strlen(line); |
102 | 3d11d0eb | bellard | if (len > 0 && line[len - 1] == '\n') |
103 | 3d11d0eb | bellard | line[len - 1] = '\0'; |
104 | 3d11d0eb | bellard | if (line[0] == '#') |
105 | 3d11d0eb | bellard | continue;
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106 | 3d11d0eb | bellard | if (!strncmp(line, "map ", 4)) |
107 | 3d11d0eb | bellard | continue;
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108 | 3d11d0eb | bellard | if (!strncmp(line, "include ", 8)) { |
109 | 3d11d0eb | bellard | parse_keyboard_layout(line + 8, k);
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110 | 3d11d0eb | bellard | } else {
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111 | 3d11d0eb | bellard | char *end_of_keysym = line;
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112 | 3d11d0eb | bellard | while (*end_of_keysym != 0 && *end_of_keysym != ' ') |
113 | 3d11d0eb | bellard | end_of_keysym++; |
114 | 3d11d0eb | bellard | if (*end_of_keysym) {
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115 | 3d11d0eb | bellard | int keysym;
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116 | 3d11d0eb | bellard | *end_of_keysym = 0;
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117 | 3d11d0eb | bellard | keysym = get_keysym(line); |
118 | 3d11d0eb | bellard | if (keysym == 0) { |
119 | 3d11d0eb | bellard | // fprintf(stderr, "Warning: unknown keysym %s\n", line);
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120 | 3d11d0eb | bellard | } else {
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121 | 3d11d0eb | bellard | const char *rest = end_of_keysym + 1; |
122 | a528b80c | balrog | char *rest2;
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123 | a528b80c | balrog | int keycode = strtol(rest, &rest2, 0); |
124 | a528b80c | balrog | |
125 | a528b80c | balrog | if (rest && strstr(rest, "numlock")) { |
126 | a528b80c | balrog | add_to_key_range(&k->keypad_range, keycode); |
127 | a528b80c | balrog | add_to_key_range(&k->numlock_range, keysym); |
128 | a528b80c | balrog | //fprintf(stderr, "keypad keysym %04x keycode %d\n", keysym, keycode);
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129 | a528b80c | balrog | } |
130 | a528b80c | balrog | |
131 | 3d11d0eb | bellard | /* if(keycode&0x80)
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132 | 3d11d0eb | bellard | keycode=(keycode<<8)^0x80e0; */
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133 | 3d11d0eb | bellard | if (keysym < MAX_NORMAL_KEYCODE) {
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134 | 3d11d0eb | bellard | //fprintf(stderr,"Setting keysym %s (%d) to %d\n",line,keysym,keycode);
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135 | 3d11d0eb | bellard | k->keysym2keycode[keysym] = keycode; |
136 | 3d11d0eb | bellard | } else {
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137 | 3d11d0eb | bellard | if (k->extra_count >= MAX_EXTRA_COUNT) {
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138 | 3d11d0eb | bellard | fprintf(stderr, |
139 | 3d11d0eb | bellard | "Warning: Could not assign keysym %s (0x%x) because of memory constraints.\n",
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140 | 3d11d0eb | bellard | line, keysym); |
141 | 3d11d0eb | bellard | } else {
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142 | 24236869 | bellard | #if 0
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143 | 3d11d0eb | bellard | fprintf(stderr, "Setting %d: %d,%d\n",
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144 | 3d11d0eb | bellard | k->extra_count, keysym, keycode);
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145 | 24236869 | bellard | #endif
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146 | 3d11d0eb | bellard | k->keysym2keycode_extra[k->extra_count]. |
147 | 3d11d0eb | bellard | keysym = keysym; |
148 | 3d11d0eb | bellard | k->keysym2keycode_extra[k->extra_count]. |
149 | 3d11d0eb | bellard | keycode = keycode; |
150 | 3d11d0eb | bellard | k->extra_count++; |
151 | 3d11d0eb | bellard | } |
152 | 3d11d0eb | bellard | } |
153 | 3d11d0eb | bellard | } |
154 | 3d11d0eb | bellard | } |
155 | 3d11d0eb | bellard | } |
156 | 3d11d0eb | bellard | } |
157 | 3d11d0eb | bellard | fclose(f); |
158 | 3d11d0eb | bellard | return k;
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159 | 3d11d0eb | bellard | } |
160 | 3d11d0eb | bellard | |
161 | 3d11d0eb | bellard | static void *init_keyboard_layout(const char *language) |
162 | 3d11d0eb | bellard | { |
163 | 3d11d0eb | bellard | return parse_keyboard_layout(language, 0); |
164 | 3d11d0eb | bellard | } |
165 | 3d11d0eb | bellard | |
166 | 3d11d0eb | bellard | static int keysym2scancode(void *kbd_layout, int keysym) |
167 | 3d11d0eb | bellard | { |
168 | 3d11d0eb | bellard | kbd_layout_t *k = kbd_layout; |
169 | 3d11d0eb | bellard | if (keysym < MAX_NORMAL_KEYCODE) {
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170 | 3d11d0eb | bellard | if (k->keysym2keycode[keysym] == 0) |
171 | 3d11d0eb | bellard | fprintf(stderr, "Warning: no scancode found for keysym %d\n",
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172 | 3d11d0eb | bellard | keysym); |
173 | 3d11d0eb | bellard | return k->keysym2keycode[keysym];
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174 | 3d11d0eb | bellard | } else {
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175 | 3d11d0eb | bellard | int i;
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176 | 3d11d0eb | bellard | #ifdef XK_ISO_Left_Tab
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177 | 3d11d0eb | bellard | if (keysym == XK_ISO_Left_Tab)
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178 | 3d11d0eb | bellard | keysym = XK_Tab; |
179 | 3d11d0eb | bellard | #endif
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180 | 3d11d0eb | bellard | for (i = 0; i < k->extra_count; i++) |
181 | 3d11d0eb | bellard | if (k->keysym2keycode_extra[i].keysym == keysym)
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182 | 3d11d0eb | bellard | return k->keysym2keycode_extra[i].keycode;
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183 | 3d11d0eb | bellard | } |
184 | 3d11d0eb | bellard | return 0; |
185 | 3d11d0eb | bellard | } |
186 | a528b80c | balrog | |
187 | a528b80c | balrog | static inline int keycode_is_keypad(void *kbd_layout, int keycode) |
188 | a528b80c | balrog | { |
189 | a528b80c | balrog | kbd_layout_t *k = kbd_layout; |
190 | a528b80c | balrog | struct key_range *kr;
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191 | a528b80c | balrog | |
192 | a528b80c | balrog | for (kr = k->keypad_range; kr; kr = kr->next)
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193 | a528b80c | balrog | if (keycode >= kr->start && keycode <= kr->end)
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194 | a528b80c | balrog | return 1; |
195 | a528b80c | balrog | return 0; |
196 | a528b80c | balrog | } |
197 | a528b80c | balrog | |
198 | a528b80c | balrog | static inline int keysym_is_numlock(void *kbd_layout, int keysym) |
199 | a528b80c | balrog | { |
200 | a528b80c | balrog | kbd_layout_t *k = kbd_layout; |
201 | a528b80c | balrog | struct key_range *kr;
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202 | a528b80c | balrog | |
203 | a528b80c | balrog | for (kr = k->numlock_range; kr; kr = kr->next)
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204 | a528b80c | balrog | if (keysym >= kr->start && keysym <= kr->end)
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205 | a528b80c | balrog | return 1; |
206 | a528b80c | balrog | return 0; |
207 | a528b80c | balrog | } |