diff options
Diffstat (limited to 'ui/keymaps.c')
| -rw-r--r-- | ui/keymaps.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/ui/keymaps.c b/ui/keymaps.c new file mode 100644 index 0000000000..78c7ea375c --- /dev/null +++ b/ui/keymaps.c @@ -0,0 +1,210 @@ +/* + * 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.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 = qemu_mallocz(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); + + if (!k) + k = qemu_mallocz(sizeof(kbd_layout_t)); + if (!(filename && (f = fopen(filename, "r")))) { + fprintf(stderr, + "Could not read keymap file: '%s'\n", language); + return NULL; + } + qemu_free(filename); + 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 = 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; +} |