| /* |
| * QEMU keysym to keycode conversion using rdesktop keymaps |
| * |
| * Copyright (c) 2004 Johannes Schindelin |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| |
| #include "keymaps.h" |
| #include "sysemu/sysemu.h" |
| |
| static int get_keysym(const name2keysym_t *table, |
| const char *name) |
| { |
| const name2keysym_t *p; |
| for(p = table; p->name != NULL; p++) { |
| if (!strcmp(p->name, name)) |
| return p->keysym; |
| } |
| return 0; |
| } |
| |
| |
| static void add_to_key_range(struct key_range **krp, int code) { |
| struct key_range *kr; |
| for (kr = *krp; kr; kr = kr->next) { |
| if (code >= kr->start && code <= kr->end) |
| break; |
| if (code == kr->start - 1) { |
| kr->start--; |
| break; |
| } |
| if (code == kr->end + 1) { |
| kr->end++; |
| break; |
| } |
| } |
| if (kr == NULL) { |
| kr = g_malloc0(sizeof(*kr)); |
| kr->start = kr->end = code; |
| kr->next = *krp; |
| *krp = kr; |
| } |
| } |
| |
| static void add_keysym(char *line, int keysym, int keycode, kbd_layout_t *k) { |
| if (keysym < MAX_NORMAL_KEYCODE) { |
| //fprintf(stderr,"Setting keysym %s (%d) to %d\n",line,keysym,keycode); |
| k->keysym2keycode[keysym] = keycode; |
| } else { |
| if (k->extra_count >= MAX_EXTRA_COUNT) { |
| fprintf(stderr, |
| "Warning: Could not assign keysym %s (0x%x) because of memory constraints.\n", |
| line, keysym); |
| } else { |
| #if 0 |
| fprintf(stderr, "Setting %d: %d,%d\n", |
| k->extra_count, keysym, keycode); |
| #endif |
| k->keysym2keycode_extra[k->extra_count]. |
| keysym = keysym; |
| k->keysym2keycode_extra[k->extra_count]. |
| keycode = keycode; |
| k->extra_count++; |
| } |
| } |
| } |
| |
| static kbd_layout_t *parse_keyboard_layout(const name2keysym_t *table, |
| const char *language, |
| kbd_layout_t * k) |
| { |
| FILE *f; |
| char * filename; |
| char line[1024]; |
| int len; |
| |
| filename = qemu_find_file(QEMU_FILE_TYPE_KEYMAP, language); |
| f = filename ? fopen(filename, "r") : NULL; |
| g_free(filename); |
| if (!f) { |
| fprintf(stderr, |
| "Could not read keymap file: '%s'\n", language); |
| return NULL; |
| } |
| |
| if (!k) |
| k = g_malloc0(sizeof(kbd_layout_t)); |
| |
| for(;;) { |
| if (fgets(line, 1024, f) == NULL) |
| break; |
| len = strlen(line); |
| if (len > 0 && line[len - 1] == '\n') |
| line[len - 1] = '\0'; |
| if (line[0] == '#') |
| continue; |
| if (!strncmp(line, "map ", 4)) |
| continue; |
| if (!strncmp(line, "include ", 8)) { |
| parse_keyboard_layout(table, line + 8, k); |
| } else { |
| char *end_of_keysym = line; |
| while (*end_of_keysym != 0 && *end_of_keysym != ' ') |
| end_of_keysym++; |
| if (*end_of_keysym) { |
| int keysym; |
| *end_of_keysym = 0; |
| keysym = get_keysym(table, line); |
| if (keysym == 0) { |
| // fprintf(stderr, "Warning: unknown keysym %s\n", line); |
| } else { |
| const char *rest = end_of_keysym + 1; |
| char *rest2; |
| int keycode = strtol(rest, &rest2, 0); |
| |
| if (rest && strstr(rest, "numlock")) { |
| add_to_key_range(&k->keypad_range, keycode); |
| add_to_key_range(&k->numlock_range, keysym); |
| //fprintf(stderr, "keypad keysym %04x keycode %d\n", keysym, keycode); |
| } |
| |
| if (rest && strstr(rest, "shift")) |
| keycode |= SCANCODE_SHIFT; |
| if (rest && strstr(rest, "altgr")) |
| keycode |= SCANCODE_ALTGR; |
| if (rest && strstr(rest, "ctrl")) |
| keycode |= SCANCODE_CTRL; |
| |
| add_keysym(line, keysym, keycode, k); |
| |
| if (rest && strstr(rest, "addupper")) { |
| char *c; |
| for (c = line; *c; c++) |
| *c = qemu_toupper(*c); |
| keysym = get_keysym(table, line); |
| if (keysym) |
| add_keysym(line, keysym, keycode | SCANCODE_SHIFT, k); |
| } |
| } |
| } |
| } |
| } |
| fclose(f); |
| return k; |
| } |
| |
| |
| void *init_keyboard_layout(const name2keysym_t *table, const char *language) |
| { |
| return parse_keyboard_layout(table, language, NULL); |
| } |
| |
| |
| int keysym2scancode(void *kbd_layout, int keysym) |
| { |
| kbd_layout_t *k = kbd_layout; |
| if (keysym < MAX_NORMAL_KEYCODE) { |
| if (k->keysym2keycode[keysym] == 0) |
| fprintf(stderr, "Warning: no scancode found for keysym %d\n", |
| keysym); |
| return k->keysym2keycode[keysym]; |
| } else { |
| int i; |
| #ifdef XK_ISO_Left_Tab |
| if (keysym == XK_ISO_Left_Tab) |
| keysym = XK_Tab; |
| #endif |
| for (i = 0; i < k->extra_count; i++) |
| if (k->keysym2keycode_extra[i].keysym == keysym) |
| return k->keysym2keycode_extra[i].keycode; |
| } |
| return 0; |
| } |
| |
| int keycode_is_keypad(void *kbd_layout, int keycode) |
| { |
| kbd_layout_t *k = kbd_layout; |
| struct key_range *kr; |
| |
| for (kr = k->keypad_range; kr; kr = kr->next) |
| if (keycode >= kr->start && keycode <= kr->end) |
| return 1; |
| return 0; |
| } |
| |
| int keysym_is_numlock(void *kbd_layout, int keysym) |
| { |
| kbd_layout_t *k = kbd_layout; |
| struct key_range *kr; |
| |
| for (kr = k->numlock_range; kr; kr = kr->next) |
| if (keysym >= kr->start && keysym <= kr->end) |
| return 1; |
| return 0; |
| } |