Annotation of qemu/keymaps.c, revision 1.1.1.5

1.1       root        1: /*
                      2:  * QEMU keysym to keycode conversion using rdesktop keymaps
1.1.1.3   root        3:  *
1.1       root        4:  * Copyright (c) 2004 Johannes Schindelin
1.1.1.3   root        5:  *
1.1       root        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: 
1.1.1.5 ! root       25: #include "keymaps.h"
        !            26: #include "sysemu.h"
        !            27: 
        !            28: static int get_keysym(const name2keysym_t *table,
        !            29:                      const char *name)
1.1       root       30: {
1.1.1.4   root       31:     const name2keysym_t *p;
1.1.1.5 ! root       32:     for(p = table; p->name != NULL; p++) {
1.1       root       33:         if (!strcmp(p->name, name))
                     34:             return p->keysym;
                     35:     }
                     36:     return 0;
                     37: }
                     38: 
                     39: 
1.1.1.3   root       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));
1.1.1.4   root       56:         kr->start = kr->end = code;
                     57:         kr->next = *krp;
                     58:         *krp = kr;
1.1.1.3   root       59:     }
                     60: }
                     61: 
1.1.1.5 ! root       62: static kbd_layout_t *parse_keyboard_layout(const name2keysym_t *table,
        !            63:                                           const char *language,
1.1       root       64:                                           kbd_layout_t * k)
                     65: {
                     66:     FILE *f;
1.1.1.5 ! root       67:     char * filename;
1.1       root       68:     char line[1024];
                     69:     int len;
                     70: 
1.1.1.5 ! root       71:     filename = qemu_find_file(QEMU_FILE_TYPE_KEYMAP, language);
1.1       root       72: 
                     73:     if (!k)
                     74:        k = qemu_mallocz(sizeof(kbd_layout_t));
1.1.1.5 ! root       75:     if (!(filename && (f = fopen(filename, "r")))) {
1.1       root       76:        fprintf(stderr,
1.1.1.5 ! root       77:                "Could not read keymap file: '%s'\n", language);
        !            78:        return NULL;
1.1       root       79:     }
1.1.1.5 ! root       80:     qemu_free(filename);
1.1       root       81:     for(;;) {
                     82:        if (fgets(line, 1024, f) == NULL)
                     83:             break;
                     84:         len = strlen(line);
                     85:         if (len > 0 && line[len - 1] == '\n')
                     86:             line[len - 1] = '\0';
                     87:         if (line[0] == '#')
                     88:            continue;
                     89:        if (!strncmp(line, "map ", 4))
                     90:            continue;
                     91:        if (!strncmp(line, "include ", 8)) {
1.1.1.5 ! root       92:            parse_keyboard_layout(table, line + 8, k);
1.1       root       93:         } else {
                     94:            char *end_of_keysym = line;
                     95:            while (*end_of_keysym != 0 && *end_of_keysym != ' ')
                     96:                end_of_keysym++;
                     97:            if (*end_of_keysym) {
                     98:                int keysym;
                     99:                *end_of_keysym = 0;
1.1.1.5 ! root      100:                keysym = get_keysym(table, line);
1.1       root      101:                if (keysym == 0) {
                    102:                     //             fprintf(stderr, "Warning: unknown keysym %s\n", line);
                    103:                } else {
                    104:                    const char *rest = end_of_keysym + 1;
1.1.1.3   root      105:                    char *rest2;
                    106:                    int keycode = strtol(rest, &rest2, 0);
                    107: 
                    108:                    if (rest && strstr(rest, "numlock")) {
                    109:                        add_to_key_range(&k->keypad_range, keycode);
                    110:                        add_to_key_range(&k->numlock_range, keysym);
                    111:                        //fprintf(stderr, "keypad keysym %04x keycode %d\n", keysym, keycode);
                    112:                    }
                    113: 
1.1       root      114:                    /* if(keycode&0x80)
                    115:                       keycode=(keycode<<8)^0x80e0; */
                    116:                    if (keysym < MAX_NORMAL_KEYCODE) {
                    117:                        //fprintf(stderr,"Setting keysym %s (%d) to %d\n",line,keysym,keycode);
                    118:                        k->keysym2keycode[keysym] = keycode;
                    119:                    } else {
                    120:                        if (k->extra_count >= MAX_EXTRA_COUNT) {
                    121:                            fprintf(stderr,
                    122:                                    "Warning: Could not assign keysym %s (0x%x) because of memory constraints.\n",
                    123:                                    line, keysym);
                    124:                        } else {
1.1.1.2   root      125: #if 0
1.1       root      126:                            fprintf(stderr, "Setting %d: %d,%d\n",
                    127:                                    k->extra_count, keysym, keycode);
1.1.1.2   root      128: #endif
1.1       root      129:                            k->keysym2keycode_extra[k->extra_count].
                    130:                                keysym = keysym;
                    131:                            k->keysym2keycode_extra[k->extra_count].
                    132:                                keycode = keycode;
                    133:                            k->extra_count++;
                    134:                        }
                    135:                    }
                    136:                }
                    137:            }
                    138:        }
                    139:     }
                    140:     fclose(f);
                    141:     return k;
                    142: }
                    143: 
1.1.1.5 ! root      144: 
        !           145: void *init_keyboard_layout(const name2keysym_t *table, const char *language)
1.1       root      146: {
1.1.1.5 ! root      147:     return parse_keyboard_layout(table, language, NULL);
1.1       root      148: }
                    149: 
1.1.1.5 ! root      150: 
        !           151: int keysym2scancode(void *kbd_layout, int keysym)
1.1       root      152: {
                    153:     kbd_layout_t *k = kbd_layout;
                    154:     if (keysym < MAX_NORMAL_KEYCODE) {
                    155:        if (k->keysym2keycode[keysym] == 0)
                    156:            fprintf(stderr, "Warning: no scancode found for keysym %d\n",
                    157:                    keysym);
                    158:        return k->keysym2keycode[keysym];
                    159:     } else {
                    160:        int i;
                    161: #ifdef XK_ISO_Left_Tab
                    162:        if (keysym == XK_ISO_Left_Tab)
                    163:            keysym = XK_Tab;
                    164: #endif
                    165:        for (i = 0; i < k->extra_count; i++)
                    166:            if (k->keysym2keycode_extra[i].keysym == keysym)
                    167:                return k->keysym2keycode_extra[i].keycode;
                    168:     }
                    169:     return 0;
                    170: }
1.1.1.3   root      171: 
1.1.1.5 ! root      172: int keycode_is_keypad(void *kbd_layout, int keycode)
1.1.1.3   root      173: {
                    174:     kbd_layout_t *k = kbd_layout;
                    175:     struct key_range *kr;
                    176: 
                    177:     for (kr = k->keypad_range; kr; kr = kr->next)
                    178:         if (keycode >= kr->start && keycode <= kr->end)
                    179:             return 1;
                    180:     return 0;
                    181: }
                    182: 
1.1.1.5 ! root      183: int keysym_is_numlock(void *kbd_layout, int keysym)
1.1.1.3   root      184: {
                    185:     kbd_layout_t *k = kbd_layout;
                    186:     struct key_range *kr;
                    187: 
                    188:     for (kr = k->numlock_range; kr; kr = kr->next)
                    189:         if (keysym >= kr->start && keysym <= kr->end)
                    190:             return 1;
                    191:     return 0;
                    192: }

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