input.c

   1 /*
   2  * QEMU System Emulator
   3  *
   4  * Copyright (c) 2003-2008 Fabrice Bellard
   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 "sysemu.h"
  26 #include "net.h"
  27 #include "monitor.h"
  28 #include "console.h"
  29 #include "error.h"
  30 #include "qmp-commands.h"
  31 #include "qapi-types.h"
  32
  33 static QEMUPutKBDEvent *qemu_put_kbd_event;
  34 static void *qemu_put_kbd_event_opaque;
  35 static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers = QTAILQ_HEAD_INITIALIZER(led_handlers);
  36 static QTAILQ_HEAD(, QEMUPutMouseEntry) mouse_handlers =
  37     QTAILQ_HEAD_INITIALIZER(mouse_handlers);
  38 static NotifierList mouse_mode_notifiers =
  39     NOTIFIER_LIST_INITIALIZER(mouse_mode_notifiers);
  40
  41 static const int key_defs[] = {
  42     [Q_KEY_CODE_SHIFT] = 0x2a,
  43     [Q_KEY_CODE_SHIFT_R] = 0x36,
  44
  45     [Q_KEY_CODE_ALT] = 0x38,
  46     [Q_KEY_CODE_ALT_R] = 0xb8,
  47     [Q_KEY_CODE_ALTGR] = 0x64,
  48     [Q_KEY_CODE_ALTGR_R] = 0xe4,
  49     [Q_KEY_CODE_CTRL] = 0x1d,
  50     [Q_KEY_CODE_CTRL_R] = 0x9d,
  51
  52     [Q_KEY_CODE_MENU] = 0xdd,
  53
  54     [Q_KEY_CODE_ESC] = 0x01,
  55
  56     [Q_KEY_CODE_1] = 0x02,
  57     [Q_KEY_CODE_2] = 0x03,
  58     [Q_KEY_CODE_3] = 0x04,
  59     [Q_KEY_CODE_4] = 0x05,
  60     [Q_KEY_CODE_5] = 0x06,
  61     [Q_KEY_CODE_6] = 0x07,
  62     [Q_KEY_CODE_7] = 0x08,
  63     [Q_KEY_CODE_8] = 0x09,
  64     [Q_KEY_CODE_9] = 0x0a,
  65     [Q_KEY_CODE_0] = 0x0b,
  66     [Q_KEY_CODE_MINUS] = 0x0c,
  67     [Q_KEY_CODE_EQUAL] = 0x0d,
  68     [Q_KEY_CODE_BACKSPACE] = 0x0e,
  69
  70     [Q_KEY_CODE_TAB] = 0x0f,
  71     [Q_KEY_CODE_Q] = 0x10,
  72     [Q_KEY_CODE_W] = 0x11,
  73     [Q_KEY_CODE_E] = 0x12,
  74     [Q_KEY_CODE_R] = 0x13,
  75     [Q_KEY_CODE_T] = 0x14,
  76     [Q_KEY_CODE_Y] = 0x15,
  77     [Q_KEY_CODE_U] = 0x16,
  78     [Q_KEY_CODE_I] = 0x17,
  79     [Q_KEY_CODE_O] = 0x18,
  80     [Q_KEY_CODE_P] = 0x19,
  81     [Q_KEY_CODE_BRACKET_LEFT] = 0x1a,
  82     [Q_KEY_CODE_BRACKET_RIGHT] = 0x1b,
  83     [Q_KEY_CODE_RET] = 0x1c,
  84
  85     [Q_KEY_CODE_A] = 0x1e,
  86     [Q_KEY_CODE_S] = 0x1f,
  87     [Q_KEY_CODE_D] = 0x20,
  88     [Q_KEY_CODE_F] = 0x21,
  89     [Q_KEY_CODE_G] = 0x22,
  90     [Q_KEY_CODE_H] = 0x23,
  91     [Q_KEY_CODE_J] = 0x24,
  92     [Q_KEY_CODE_K] = 0x25,
  93     [Q_KEY_CODE_L] = 0x26,
  94     [Q_KEY_CODE_SEMICOLON] = 0x27,
  95     [Q_KEY_CODE_APOSTROPHE] = 0x28,
  96     [Q_KEY_CODE_GRAVE_ACCENT] = 0x29,
  97
  98     [Q_KEY_CODE_BACKSLASH] = 0x2b,
  99     [Q_KEY_CODE_Z] = 0x2c,
 100     [Q_KEY_CODE_X] = 0x2d,
 101     [Q_KEY_CODE_C] = 0x2e,
 102     [Q_KEY_CODE_V] = 0x2f,
 103     [Q_KEY_CODE_B] = 0x30,
 104     [Q_KEY_CODE_N] = 0x31,
 105     [Q_KEY_CODE_M] = 0x32,
 106     [Q_KEY_CODE_COMMA] = 0x33,
 107     [Q_KEY_CODE_DOT] = 0x34,
 108     [Q_KEY_CODE_SLASH] = 0x35,
 109
 110     [Q_KEY_CODE_ASTERISK] = 0x37,
 111
 112     [Q_KEY_CODE_SPC] = 0x39,
 113     [Q_KEY_CODE_CAPS_LOCK] = 0x3a,
 114     [Q_KEY_CODE_F1] = 0x3b,
 115     [Q_KEY_CODE_F2] = 0x3c,
 116     [Q_KEY_CODE_F3] = 0x3d,
 117     [Q_KEY_CODE_F4] = 0x3e,
 118     [Q_KEY_CODE_F5] = 0x3f,
 119     [Q_KEY_CODE_F6] = 0x40,
 120     [Q_KEY_CODE_F7] = 0x41,
 121     [Q_KEY_CODE_F8] = 0x42,
 122     [Q_KEY_CODE_F9] = 0x43,
 123     [Q_KEY_CODE_F10] = 0x44,
 124     [Q_KEY_CODE_NUM_LOCK] = 0x45,
 125     [Q_KEY_CODE_SCROLL_LOCK] = 0x46,
 126
 127     [Q_KEY_CODE_KP_DIVIDE] = 0xb5,
 128     [Q_KEY_CODE_KP_MULTIPLY] = 0x37,
 129     [Q_KEY_CODE_KP_SUBTRACT] = 0x4a,
 130     [Q_KEY_CODE_KP_ADD] = 0x4e,
 131     [Q_KEY_CODE_KP_ENTER] = 0x9c,
 132     [Q_KEY_CODE_KP_DECIMAL] = 0x53,
 133     [Q_KEY_CODE_SYSRQ] = 0x54,
 134
 135     [Q_KEY_CODE_KP_0] = 0x52,
 136     [Q_KEY_CODE_KP_1] = 0x4f,
 137     [Q_KEY_CODE_KP_2] = 0x50,
 138     [Q_KEY_CODE_KP_3] = 0x51,
 139     [Q_KEY_CODE_KP_4] = 0x4b,
 140     [Q_KEY_CODE_KP_5] = 0x4c,
 141     [Q_KEY_CODE_KP_6] = 0x4d,
 142     [Q_KEY_CODE_KP_7] = 0x47,
 143     [Q_KEY_CODE_KP_8] = 0x48,
 144     [Q_KEY_CODE_KP_9] = 0x49,
 145
 146     [Q_KEY_CODE_LESS] = 0x56,
 147
 148     [Q_KEY_CODE_F11] = 0x57,
 149     [Q_KEY_CODE_F12] = 0x58,
 150
 151     [Q_KEY_CODE_PRINT] = 0xb7,
 152
 153     [Q_KEY_CODE_HOME] = 0xc7,
 154     [Q_KEY_CODE_PGUP] = 0xc9,
 155     [Q_KEY_CODE_PGDN] = 0xd1,
 156     [Q_KEY_CODE_END] = 0xcf,
 157
 158     [Q_KEY_CODE_LEFT] = 0xcb,
 159     [Q_KEY_CODE_UP] = 0xc8,
 160     [Q_KEY_CODE_DOWN] = 0xd0,
 161     [Q_KEY_CODE_RIGHT] = 0xcd,
 162
 163     [Q_KEY_CODE_INSERT] = 0xd2,
 164     [Q_KEY_CODE_DELETE] = 0xd3,
 165 #ifdef NEED_CPU_H
 166 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
 167     [Q_KEY_CODE_STOP] = 0xf0,
 168     [Q_KEY_CODE_AGAIN] = 0xf1,
 169     [Q_KEY_CODE_PROPS] = 0xf2,
 170     [Q_KEY_CODE_UNDO] = 0xf3,
 171     [Q_KEY_CODE_FRONT] = 0xf4,
 172     [Q_KEY_CODE_COPY] = 0xf5,
 173     [Q_KEY_CODE_OPEN] = 0xf6,
 174     [Q_KEY_CODE_PASTE] = 0xf7,
 175     [Q_KEY_CODE_FIND] = 0xf8,
 176     [Q_KEY_CODE_CUT] = 0xf9,
 177     [Q_KEY_CODE_LF] = 0xfa,
 178     [Q_KEY_CODE_HELP] = 0xfb,
 179     [Q_KEY_CODE_META_L] = 0xfc,
 180     [Q_KEY_CODE_META_R] = 0xfd,
 181     [Q_KEY_CODE_COMPOSE] = 0xfe,
 182 #endif
 183 #endif
 184     [Q_KEY_CODE_MAX] = 0,
 185 };
 186
 187 int index_from_key(const char *key)
 188 {
 189     int i, keycode;
 190     char *endp;
 191
 192     for (i = 0; QKeyCode_lookup[i] != NULL; i++) {
 193         if (!strcmp(key, QKeyCode_lookup[i])) {
 194             break;
 195         }
 196     }
 197
 198     if (strstart(key, "0x", NULL)) {
 199         keycode = strtoul(key, &endp, 0);
 200         if (*endp == '\0' && keycode >= 0x01 && keycode <= 0xff) {
 201             for (i = 0; i < Q_KEY_CODE_MAX; i++) {
 202                 if (keycode == key_defs[i]) {
 203                     break;
 204                 }
 205             }
 206         }
 207     }
 208
 209     /* Return Q_KEY_CODE_MAX if the key is invalid */
 210     return i;
 211 }
 212
 213 int index_from_keycode(int code)
 214 {
 215     int i;
 216
 217     for (i = 0; i < Q_KEY_CODE_MAX; i++) {
 218         if (key_defs[i] == code) {
 219             break;
 220         }
 221     }
 222
 223     /* Return Q_KEY_CODE_MAX if the code is invalid */
 224     return i;
 225 }
 226
 227 static int *keycodes;
 228 static int keycodes_size;
 229 static QEMUTimer *key_timer;
 230
 231 static int keycode_from_keyvalue(const KeyValue *value)
 232 {
 233     if (value->kind == KEY_VALUE_KIND_QCODE) {
 234         return key_defs[value->qcode];
 235     } else {
 236         assert(value->kind == KEY_VALUE_KIND_NUMBER);
 237         return value->number;
 238     }
 239 }
 240
 241 static void free_keycodes(void)
 242 {
 243     g_free(keycodes);
 244     keycodes = NULL;
 245     keycodes_size = 0;
 246 }
 247
 248 static void release_keys(void *opaque)
 249 {
 250     int i;
 251
 252     for (i = 0; i < keycodes_size; i++) {
 253         if (keycodes[i] & 0x80) {
 254             kbd_put_keycode(0xe0);
 255         }
 256         kbd_put_keycode(keycodes[i]| 0x80);
 257     }
 258
 259     free_keycodes();
 260 }
 261
 262 void qmp_send_key(KeyValueList *keys, bool has_hold_time, int64_t hold_time,
 263                   Error **errp)
 264 {
 265     int keycode;
 266     KeyValueList *p;
 267
 268     if (!key_timer) {
 269         key_timer = qemu_new_timer_ns(vm_clock, release_keys, NULL);
 270     }
 271
 272     if (keycodes != NULL) {
 273         qemu_del_timer(key_timer);
 274         release_keys(NULL);
 275     }
 276
 277     if (!has_hold_time) {
 278         hold_time = 100;
 279     }
 280
 281     for (p = keys; p != NULL; p = p->next) {
 282         /* key down events */
 283         keycode = keycode_from_keyvalue(p->value);
 284         if (keycode < 0x01 || keycode > 0xff) {
 285             error_setg(errp, "invalid hex keycode 0x%x\n", keycode);
 286             free_keycodes();
 287             return;
 288         }
 289
 290         if (keycode & 0x80) {
 291             kbd_put_keycode(0xe0);
 292         }
 293         kbd_put_keycode(keycode & 0x7f);
 294
 295         keycodes = g_realloc(keycodes, sizeof(int) * (keycodes_size + 1));
 296         keycodes[keycodes_size++] = keycode;
 297     }
 298
 299     /* delayed key up events */
 300     qemu_mod_timer(key_timer, qemu_get_clock_ns(vm_clock) +
 301                    muldiv64(get_ticks_per_sec(), hold_time, 1000));
 302 }
 303
 304 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
 305 {
 306     qemu_put_kbd_event_opaque = opaque;
 307     qemu_put_kbd_event = func;
 308 }
 309
 310 void qemu_remove_kbd_event_handler(void)
 311 {
 312     qemu_put_kbd_event_opaque = NULL;
 313     qemu_put_kbd_event = NULL;
 314 }
 315
 316 static void check_mode_change(void)
 317 {
 318     static int current_is_absolute, current_has_absolute;
 319     int is_absolute;
 320     int has_absolute;
 321
 322     is_absolute = kbd_mouse_is_absolute();
 323     has_absolute = kbd_mouse_has_absolute();
 324
 325     if (is_absolute != current_is_absolute ||
 326         has_absolute != current_has_absolute) {
 327         notifier_list_notify(&mouse_mode_notifiers, NULL);
 328     }
 329
 330     current_is_absolute = is_absolute;
 331     current_has_absolute = has_absolute;
 332 }
 333
 334 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
 335                                                 void *opaque, int absolute,
 336                                                 const char *name)
 337 {
 338     QEMUPutMouseEntry *s;
 339     static int mouse_index = 0;
 340
 341     s = g_malloc0(sizeof(QEMUPutMouseEntry));
 342
 343     s->qemu_put_mouse_event = func;
 344     s->qemu_put_mouse_event_opaque = opaque;
 345     s->qemu_put_mouse_event_absolute = absolute;
 346     s->qemu_put_mouse_event_name = g_strdup(name);
 347     s->index = mouse_index++;
 348
 349     QTAILQ_INSERT_TAIL(&mouse_handlers, s, node);
 350
 351     check_mode_change();
 352
 353     return s;
 354 }
 355
 356 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
 357 {
 358     QTAILQ_REMOVE(&mouse_handlers, entry, node);
 359     QTAILQ_INSERT_HEAD(&mouse_handlers, entry, node);
 360
 361     check_mode_change();
 362 }
 363
 364 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
 365 {
 366     QTAILQ_REMOVE(&mouse_handlers, entry, node);
 367
 368     g_free(entry->qemu_put_mouse_event_name);
 369     g_free(entry);
 370
 371     check_mode_change();
 372 }
 373
 374 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
 375                                             void *opaque)
 376 {
 377     QEMUPutLEDEntry *s;
 378
 379     s = g_malloc0(sizeof(QEMUPutLEDEntry));
 380
 381     s->put_led = func;
 382     s->opaque = opaque;
 383     QTAILQ_INSERT_TAIL(&led_handlers, s, next);
 384     return s;
 385 }
 386
 387 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
 388 {
 389     if (entry == NULL)
 390         return;
 391     QTAILQ_REMOVE(&led_handlers, entry, next);
 392     g_free(entry);
 393 }
 394
 395 void kbd_put_keycode(int keycode)
 396 {
 397     if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
 398         return;
 399     }
 400     if (qemu_put_kbd_event) {
 401         qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
 402     }
 403 }
 404
 405 void kbd_put_ledstate(int ledstate)
 406 {
 407     QEMUPutLEDEntry *cursor;
 408
 409     QTAILQ_FOREACH(cursor, &led_handlers, next) {
 410         cursor->put_led(cursor->opaque, ledstate);
 411     }
 412 }
 413
 414 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
 415 {
 416     QEMUPutMouseEntry *entry;
 417     QEMUPutMouseEvent *mouse_event;
 418     void *mouse_event_opaque;
 419     int width, height;
 420
 421     if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
 422         return;
 423     }
 424     if (QTAILQ_EMPTY(&mouse_handlers)) {
 425         return;
 426     }
 427
 428     entry = QTAILQ_FIRST(&mouse_handlers);
 429
 430     mouse_event = entry->qemu_put_mouse_event;
 431     mouse_event_opaque = entry->qemu_put_mouse_event_opaque;
 432
 433     if (mouse_event) {
 434         if (entry->qemu_put_mouse_event_absolute) {
 435             width = 0x7fff;
 436             height = 0x7fff;
 437         } else {
 438             width = graphic_width - 1;
 439             height = graphic_height - 1;
 440         }
 441
 442         switch (graphic_rotate) {
 443         case 0:
 444             mouse_event(mouse_event_opaque,
 445                         dx, dy, dz, buttons_state);
 446             break;
 447         case 90:
 448             mouse_event(mouse_event_opaque,
 449                         width - dy, dx, dz, buttons_state);
 450             break;
 451         case 180:
 452             mouse_event(mouse_event_opaque,
 453                         width - dx, height - dy, dz, buttons_state);
 454             break;
 455         case 270:
 456             mouse_event(mouse_event_opaque,
 457                         dy, height - dx, dz, buttons_state);
 458             break;
 459         }
 460     }
 461 }
 462
 463 int kbd_mouse_is_absolute(void)
 464 {
 465     if (QTAILQ_EMPTY(&mouse_handlers)) {
 466         return 0;
 467     }
 468
 469     return QTAILQ_FIRST(&mouse_handlers)->qemu_put_mouse_event_absolute;
 470 }
 471
 472 int kbd_mouse_has_absolute(void)
 473 {
 474     QEMUPutMouseEntry *entry;
 475
 476     QTAILQ_FOREACH(entry, &mouse_handlers, node) {
 477         if (entry->qemu_put_mouse_event_absolute) {
 478             return 1;
 479         }
 480     }
 481
 482     return 0;
 483 }
 484
 485 MouseInfoList *qmp_query_mice(Error **errp)
 486 {
 487     MouseInfoList *mice_list = NULL;
 488     QEMUPutMouseEntry *cursor;
 489     bool current = true;
 490
 491     QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
 492         MouseInfoList *info = g_malloc0(sizeof(*info));
 493         info->value = g_malloc0(sizeof(*info->value));
 494         info->value->name = g_strdup(cursor->qemu_put_mouse_event_name);
 495         info->value->index = cursor->index;
 496         info->value->absolute = !!cursor->qemu_put_mouse_event_absolute;
 497         info->value->current = current;
 498
 499         current = false;
 500
 501         info->next = mice_list;
 502         mice_list = info;
 503     }
 504
 505     return mice_list;
 506 }
 507
 508 void do_mouse_set(Monitor *mon, const QDict *qdict)
 509 {
 510     QEMUPutMouseEntry *cursor;
 511     int index = qdict_get_int(qdict, "index");
 512     int found = 0;
 513
 514     if (QTAILQ_EMPTY(&mouse_handlers)) {
 515         monitor_printf(mon, "No mouse devices connected\n");
 516         return;
 517     }
 518
 519     QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
 520         if (cursor->index == index) {
 521             found = 1;
 522             qemu_activate_mouse_event_handler(cursor);
 523             break;
 524         }
 525     }
 526
 527     if (!found) {
 528         monitor_printf(mon, "Mouse at given index not found\n");
 529     }
 530
 531     check_mode_change();
 532 }
 533
 534 void qemu_add_mouse_mode_change_notifier(Notifier *notify)
 535 {
 536     notifier_list_add(&mouse_mode_notifiers, notify);
 537 }
 538
 539 void qemu_remove_mouse_mode_change_notifier(Notifier *notify)
 540 {
 541     notifier_remove(notify);
 542 }