1 /* 2 * QEMU keysym to keycode conversion using rdesktop keymaps 3 * 4 * Copyright (c) 2004 Johannes Schindelin 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #include "keymaps.h" 26 #include "sysemu.h" 27 28 static int get_keysym(const name2keysym_t *table, 29 const char *name) 30 { 31 const name2keysym_t *p; 32 for(p = table; p->name != NULL; p++) { 33 if (!strcmp(p->name, name)) 34 return p->keysym; 35 } 36 return 0; 37 } 38 39 40 static void add_to_key_range(struct key_range **krp, int code) { 41 struct key_range *kr; 42 for (kr = *krp; kr; kr = kr->next) { 43 if (code >= kr->start && code <= kr->end) 44 break; 45 if (code == kr->start - 1) { 46 kr->start--; 47 break; 48 } 49 if (code == kr->end + 1) { 50 kr->end++; 51 break; 52 } 53 } 54 if (kr == NULL) { 55 kr = qemu_mallocz(sizeof(*kr)); 56 kr->start = kr->end = code; 57 kr->next = *krp; 58 *krp = kr; 59 } 60 } 61 62 static kbd_layout_t *parse_keyboard_layout(const name2keysym_t *table, 63 const char *language, 64 kbd_layout_t * k) 65 { 66 FILE *f; 67 /* This file is used by both, UI and core components. There are differences 68 * in the way how keymap file path is obtained for these two different 69 * configurations. */ 70 #if defined(CONFIG_STANDALONE_UI) 71 char filename[2048]; 72 #else 73 char * filename; 74 #endif // CONFIG_STANDALONE_UI 75 char line[1024]; 76 int len; 77 78 #if defined(CONFIG_STANDALONE_UI) 79 if (android_core_qemu_find_file(QEMU_FILE_TYPE_KEYMAP, language, 80 filename, sizeof(filename))) { 81 fprintf(stderr, 82 "Could not read keymap file: '%s'\n", language); 83 return NULL; 84 } 85 #else 86 filename = qemu_find_file(QEMU_FILE_TYPE_KEYMAP, language); 87 if (!filename) { 88 fprintf(stderr, 89 "Could not read keymap file: '%s'\n", language); 90 return NULL; 91 } 92 #endif // CONFIG_STANDALONE_UI 93 94 if (!k) 95 k = qemu_mallocz(sizeof(kbd_layout_t)); 96 if (!(f = fopen(filename, "r"))) { 97 fprintf(stderr, 98 "Could not read keymap file: '%s'\n", language); 99 return NULL; 100 } 101 #if defined(CONFIG_STANDALONE_UI) 102 qemu_free(filename); 103 #endif // CONFIG_STANDALONE_UI 104 for(;;) { 105 if (fgets(line, 1024, f) == NULL) 106 break; 107 len = strlen(line); 108 if (len > 0 && line[len - 1] == '\n') 109 line[len - 1] = '\0'; 110 if (line[0] == '#') 111 continue; 112 if (!strncmp(line, "map ", 4)) 113 continue; 114 if (!strncmp(line, "include ", 8)) { 115 parse_keyboard_layout(table, line + 8, k); 116 } else { 117 char *end_of_keysym = line; 118 while (*end_of_keysym != 0 && *end_of_keysym != ' ') 119 end_of_keysym++; 120 if (*end_of_keysym) { 121 int keysym; 122 *end_of_keysym = 0; 123 keysym = get_keysym(table, line); 124 if (keysym == 0) { 125 // fprintf(stderr, "Warning: unknown keysym %s\n", line); 126 } else { 127 const char *rest = end_of_keysym + 1; 128 char *rest2; 129 int keycode = strtol(rest, &rest2, 0); 130 131 if (rest && strstr(rest, "numlock")) { 132 add_to_key_range(&k->keypad_range, keycode); 133 add_to_key_range(&k->numlock_range, keysym); 134 //fprintf(stderr, "keypad keysym %04x keycode %d\n", keysym, keycode); 135 } 136 137 /* if(keycode&0x80) 138 keycode=(keycode<<8)^0x80e0; */ 139 if (keysym < MAX_NORMAL_KEYCODE) { 140 //fprintf(stderr,"Setting keysym %s (%d) to %d\n",line,keysym,keycode); 141 k->keysym2keycode[keysym] = keycode; 142 } else { 143 if (k->extra_count >= MAX_EXTRA_COUNT) { 144 fprintf(stderr, 145 "Warning: Could not assign keysym %s (0x%x) because of memory constraints.\n", 146 line, keysym); 147 } else { 148 #if 0 149 fprintf(stderr, "Setting %d: %d,%d\n", 150 k->extra_count, keysym, keycode); 151 #endif 152 k->keysym2keycode_extra[k->extra_count]. 153 keysym = keysym; 154 k->keysym2keycode_extra[k->extra_count]. 155 keycode = keycode; 156 k->extra_count++; 157 } 158 } 159 } 160 } 161 } 162 } 163 fclose(f); 164 return k; 165 } 166 167 168 void *init_keyboard_layout(const name2keysym_t *table, const char *language) 169 { 170 return parse_keyboard_layout(table, language, NULL); 171 } 172 173 174 int keysym2scancode(void *kbd_layout, int keysym) 175 { 176 kbd_layout_t *k = kbd_layout; 177 if (keysym < MAX_NORMAL_KEYCODE) { 178 if (k->keysym2keycode[keysym] == 0) 179 fprintf(stderr, "Warning: no scancode found for keysym %d\n", 180 keysym); 181 return k->keysym2keycode[keysym]; 182 } else { 183 int i; 184 #ifdef XK_ISO_Left_Tab 185 if (keysym == XK_ISO_Left_Tab) 186 keysym = XK_Tab; 187 #endif 188 for (i = 0; i < k->extra_count; i++) 189 if (k->keysym2keycode_extra[i].keysym == keysym) 190 return k->keysym2keycode_extra[i].keycode; 191 } 192 return 0; 193 } 194 195 int keycode_is_keypad(void *kbd_layout, int keycode) 196 { 197 kbd_layout_t *k = kbd_layout; 198 struct key_range *kr; 199 200 for (kr = k->keypad_range; kr; kr = kr->next) 201 if (keycode >= kr->start && keycode <= kr->end) 202 return 1; 203 return 0; 204 } 205 206 int keysym_is_numlock(void *kbd_layout, int keysym) 207 { 208 kbd_layout_t *k = kbd_layout; 209 struct key_range *kr; 210 211 for (kr = k->numlock_range; kr; kr = kr->next) 212 if (keysym >= kr->start && keysym <= kr->end) 213 return 1; 214 return 0; 215 } 216
