diff options
Diffstat (limited to 'keymaps.c')
| -rw-r--r-- | keymaps.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/keymaps.c b/keymaps.c new file mode 100644 index 0000000000..c3de8d7649 --- /dev/null +++ b/keymaps.c @@ -0,0 +1,143 @@ +/* + * 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. + */ + +static int get_keysym(const char *name) +{ + name2keysym_t *p; + for(p = name2keysym; p->name != NULL; p++) { + if (!strcmp(p->name, name)) + return p->keysym; + } + return 0; +} + +#define MAX_NORMAL_KEYCODE 512 +#define MAX_EXTRA_COUNT 256 +typedef struct { + uint16_t keysym2keycode[MAX_NORMAL_KEYCODE]; + struct { + int keysym; + uint16_t keycode; + } keysym2keycode_extra[MAX_EXTRA_COUNT]; + int extra_count; +} kbd_layout_t; + +static kbd_layout_t *parse_keyboard_layout(const char *language, + kbd_layout_t * k) +{ + FILE *f; + char file_name[1024]; + char line[1024]; + int len; + + snprintf(file_name, sizeof(file_name), + "%s/keymaps/%s", bios_dir, language); + + if (!k) + k = qemu_mallocz(sizeof(kbd_layout_t)); + if (!k) + return 0; + if (!(f = fopen(file_name, "r"))) { + fprintf(stderr, + "Could not read keymap file: '%s'\n", file_name); + return 0; + } + 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(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(line); + if (keysym == 0) { + // fprintf(stderr, "Warning: unknown keysym %s\n", line); + } else { + const char *rest = end_of_keysym + 1; + int keycode = strtol(rest, NULL, 0); + /* if(keycode&0x80) + keycode=(keycode<<8)^0x80e0; */ + 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 { + fprintf(stderr, "Setting %d: %d,%d\n", + k->extra_count, keysym, keycode); + k->keysym2keycode_extra[k->extra_count]. + keysym = keysym; + k->keysym2keycode_extra[k->extra_count]. + keycode = keycode; + k->extra_count++; + } + } + } + } + } + } + fclose(f); + return k; +} + +static void *init_keyboard_layout(const char *language) +{ + return parse_keyboard_layout(language, 0); +} + +static 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; +} |