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/sysemu.h" 26 #include "monitor/monitor.h" 27 #include "ui/console.h" 28 #include "qapi/error.h" 29 #include "qmp-commands.h" 30 #include "qapi-types.h" 31 #include "ui/keymaps.h" 32 33 struct QEMUPutMouseEntry { 34 QEMUPutMouseEvent *qemu_put_mouse_event; 35 void *qemu_put_mouse_event_opaque; 36 int qemu_put_mouse_event_absolute; 37 char *qemu_put_mouse_event_name; 38 39 int index; 40 41 /* used internally by qemu for handling mice */ 42 QTAILQ_ENTRY(QEMUPutMouseEntry) node; 43 }; 44 45 struct QEMUPutKbdEntry { 46 QEMUPutKBDEvent *put_kbd; 47 void *opaque; 48 QTAILQ_ENTRY(QEMUPutKbdEntry) next; 49 }; 50 51 struct QEMUPutLEDEntry { 52 QEMUPutLEDEvent *put_led; 53 void *opaque; 54 QTAILQ_ENTRY(QEMUPutLEDEntry) next; 55 }; 56 57 static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers = 58 QTAILQ_HEAD_INITIALIZER(led_handlers); 59 static QTAILQ_HEAD(, QEMUPutKbdEntry) kbd_handlers = 60 QTAILQ_HEAD_INITIALIZER(kbd_handlers); 61 static QTAILQ_HEAD(, QEMUPutMouseEntry) mouse_handlers = 62 QTAILQ_HEAD_INITIALIZER(mouse_handlers); 63 static NotifierList mouse_mode_notifiers = 64 NOTIFIER_LIST_INITIALIZER(mouse_mode_notifiers); 65 66 static const int key_defs[] = { 67 [Q_KEY_CODE_SHIFT] = 0x2a, 68 [Q_KEY_CODE_SHIFT_R] = 0x36, 69 70 [Q_KEY_CODE_ALT] = 0x38, 71 [Q_KEY_CODE_ALT_R] = 0xb8, 72 [Q_KEY_CODE_ALTGR] = 0x64, 73 [Q_KEY_CODE_ALTGR_R] = 0xe4, 74 [Q_KEY_CODE_CTRL] = 0x1d, 75 [Q_KEY_CODE_CTRL_R] = 0x9d, 76 77 [Q_KEY_CODE_MENU] = 0xdd, 78 79 [Q_KEY_CODE_ESC] = 0x01, 80 81 [Q_KEY_CODE_1] = 0x02, 82 [Q_KEY_CODE_2] = 0x03, 83 [Q_KEY_CODE_3] = 0x04, 84 [Q_KEY_CODE_4] = 0x05, 85 [Q_KEY_CODE_5] = 0x06, 86 [Q_KEY_CODE_6] = 0x07, 87 [Q_KEY_CODE_7] = 0x08, 88 [Q_KEY_CODE_8] = 0x09, 89 [Q_KEY_CODE_9] = 0x0a, 90 [Q_KEY_CODE_0] = 0x0b, 91 [Q_KEY_CODE_MINUS] = 0x0c, 92 [Q_KEY_CODE_EQUAL] = 0x0d, 93 [Q_KEY_CODE_BACKSPACE] = 0x0e, 94 95 [Q_KEY_CODE_TAB] = 0x0f, 96 [Q_KEY_CODE_Q] = 0x10, 97 [Q_KEY_CODE_W] = 0x11, 98 [Q_KEY_CODE_E] = 0x12, 99 [Q_KEY_CODE_R] = 0x13, 100 [Q_KEY_CODE_T] = 0x14, 101 [Q_KEY_CODE_Y] = 0x15, 102 [Q_KEY_CODE_U] = 0x16, 103 [Q_KEY_CODE_I] = 0x17, 104 [Q_KEY_CODE_O] = 0x18, 105 [Q_KEY_CODE_P] = 0x19, 106 [Q_KEY_CODE_BRACKET_LEFT] = 0x1a, 107 [Q_KEY_CODE_BRACKET_RIGHT] = 0x1b, 108 [Q_KEY_CODE_RET] = 0x1c, 109 110 [Q_KEY_CODE_A] = 0x1e, 111 [Q_KEY_CODE_S] = 0x1f, 112 [Q_KEY_CODE_D] = 0x20, 113 [Q_KEY_CODE_F] = 0x21, 114 [Q_KEY_CODE_G] = 0x22, 115 [Q_KEY_CODE_H] = 0x23, 116 [Q_KEY_CODE_J] = 0x24, 117 [Q_KEY_CODE_K] = 0x25, 118 [Q_KEY_CODE_L] = 0x26, 119 [Q_KEY_CODE_SEMICOLON] = 0x27, 120 [Q_KEY_CODE_APOSTROPHE] = 0x28, 121 [Q_KEY_CODE_GRAVE_ACCENT] = 0x29, 122 123 [Q_KEY_CODE_BACKSLASH] = 0x2b, 124 [Q_KEY_CODE_Z] = 0x2c, 125 [Q_KEY_CODE_X] = 0x2d, 126 [Q_KEY_CODE_C] = 0x2e, 127 [Q_KEY_CODE_V] = 0x2f, 128 [Q_KEY_CODE_B] = 0x30, 129 [Q_KEY_CODE_N] = 0x31, 130 [Q_KEY_CODE_M] = 0x32, 131 [Q_KEY_CODE_COMMA] = 0x33, 132 [Q_KEY_CODE_DOT] = 0x34, 133 [Q_KEY_CODE_SLASH] = 0x35, 134 135 [Q_KEY_CODE_ASTERISK] = 0x37, 136 137 [Q_KEY_CODE_SPC] = 0x39, 138 [Q_KEY_CODE_CAPS_LOCK] = 0x3a, 139 [Q_KEY_CODE_F1] = 0x3b, 140 [Q_KEY_CODE_F2] = 0x3c, 141 [Q_KEY_CODE_F3] = 0x3d, 142 [Q_KEY_CODE_F4] = 0x3e, 143 [Q_KEY_CODE_F5] = 0x3f, 144 [Q_KEY_CODE_F6] = 0x40, 145 [Q_KEY_CODE_F7] = 0x41, 146 [Q_KEY_CODE_F8] = 0x42, 147 [Q_KEY_CODE_F9] = 0x43, 148 [Q_KEY_CODE_F10] = 0x44, 149 [Q_KEY_CODE_NUM_LOCK] = 0x45, 150 [Q_KEY_CODE_SCROLL_LOCK] = 0x46, 151 152 [Q_KEY_CODE_KP_DIVIDE] = 0xb5, 153 [Q_KEY_CODE_KP_MULTIPLY] = 0x37, 154 [Q_KEY_CODE_KP_SUBTRACT] = 0x4a, 155 [Q_KEY_CODE_KP_ADD] = 0x4e, 156 [Q_KEY_CODE_KP_ENTER] = 0x9c, 157 [Q_KEY_CODE_KP_DECIMAL] = 0x53, 158 [Q_KEY_CODE_SYSRQ] = 0x54, 159 160 [Q_KEY_CODE_KP_0] = 0x52, 161 [Q_KEY_CODE_KP_1] = 0x4f, 162 [Q_KEY_CODE_KP_2] = 0x50, 163 [Q_KEY_CODE_KP_3] = 0x51, 164 [Q_KEY_CODE_KP_4] = 0x4b, 165 [Q_KEY_CODE_KP_5] = 0x4c, 166 [Q_KEY_CODE_KP_6] = 0x4d, 167 [Q_KEY_CODE_KP_7] = 0x47, 168 [Q_KEY_CODE_KP_8] = 0x48, 169 [Q_KEY_CODE_KP_9] = 0x49, 170 171 [Q_KEY_CODE_LESS] = 0x56, 172 173 [Q_KEY_CODE_F11] = 0x57, 174 [Q_KEY_CODE_F12] = 0x58, 175 176 [Q_KEY_CODE_PRINT] = 0xb7, 177 178 [Q_KEY_CODE_HOME] = 0xc7, 179 [Q_KEY_CODE_PGUP] = 0xc9, 180 [Q_KEY_CODE_PGDN] = 0xd1, 181 [Q_KEY_CODE_END] = 0xcf, 182 183 [Q_KEY_CODE_LEFT] = 0xcb, 184 [Q_KEY_CODE_UP] = 0xc8, 185 [Q_KEY_CODE_DOWN] = 0xd0, 186 [Q_KEY_CODE_RIGHT] = 0xcd, 187 188 [Q_KEY_CODE_INSERT] = 0xd2, 189 [Q_KEY_CODE_DELETE] = 0xd3, 190 #ifdef NEED_CPU_H 191 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64) 192 [Q_KEY_CODE_STOP] = 0xf0, 193 [Q_KEY_CODE_AGAIN] = 0xf1, 194 [Q_KEY_CODE_PROPS] = 0xf2, 195 [Q_KEY_CODE_UNDO] = 0xf3, 196 [Q_KEY_CODE_FRONT] = 0xf4, 197 [Q_KEY_CODE_COPY] = 0xf5, 198 [Q_KEY_CODE_OPEN] = 0xf6, 199 [Q_KEY_CODE_PASTE] = 0xf7, 200 [Q_KEY_CODE_FIND] = 0xf8, 201 [Q_KEY_CODE_CUT] = 0xf9, 202 [Q_KEY_CODE_LF] = 0xfa, 203 [Q_KEY_CODE_HELP] = 0xfb, 204 [Q_KEY_CODE_META_L] = 0xfc, 205 [Q_KEY_CODE_META_R] = 0xfd, 206 [Q_KEY_CODE_COMPOSE] = 0xfe, 207 #endif 208 #endif 209 [Q_KEY_CODE_MAX] = 0, 210 }; 211 212 int index_from_key(const char *key) 213 { 214 int i; 215 216 for (i = 0; QKeyCode_lookup[i] != NULL; i++) { 217 if (!strcmp(key, QKeyCode_lookup[i])) { 218 break; 219 } 220 } 221 222 /* Return Q_KEY_CODE_MAX if the key is invalid */ 223 return i; 224 } 225 226 int index_from_keycode(int code) 227 { 228 int i; 229 230 for (i = 0; i < Q_KEY_CODE_MAX; i++) { 231 if (key_defs[i] == code) { 232 break; 233 } 234 } 235 236 /* Return Q_KEY_CODE_MAX if the code is invalid */ 237 return i; 238 } 239 240 static int *keycodes; 241 static int keycodes_size; 242 static QEMUTimer *key_timer; 243 244 static int keycode_from_keyvalue(const KeyValue *value) 245 { 246 if (value->kind == KEY_VALUE_KIND_QCODE) { 247 return key_defs[value->qcode]; 248 } else { 249 assert(value->kind == KEY_VALUE_KIND_NUMBER); 250 return value->number; 251 } 252 } 253 254 static void free_keycodes(void) 255 { 256 g_free(keycodes); 257 keycodes = NULL; 258 keycodes_size = 0; 259 } 260 261 static void release_keys(void *opaque) 262 { 263 while (keycodes_size > 0) { 264 if (keycodes[--keycodes_size] & SCANCODE_GREY) { 265 kbd_put_keycode(SCANCODE_EMUL0); 266 } 267 kbd_put_keycode(keycodes[keycodes_size] | SCANCODE_UP); 268 } 269 270 free_keycodes(); 271 } 272 273 void qmp_send_key(KeyValueList *keys, bool has_hold_time, int64_t hold_time, 274 Error **errp) 275 { 276 int keycode; 277 KeyValueList *p; 278 279 if (!key_timer) { 280 key_timer = qemu_new_timer_ns(vm_clock, release_keys, NULL); 281 } 282 283 if (keycodes != NULL) { 284 qemu_del_timer(key_timer); 285 release_keys(NULL); 286 } 287 288 if (!has_hold_time) { 289 hold_time = 100; 290 } 291 292 for (p = keys; p != NULL; p = p->next) { 293 /* key down events */ 294 keycode = keycode_from_keyvalue(p->value); 295 if (keycode < 0x01 || keycode > 0xff) { 296 error_setg(errp, "invalid hex keycode 0x%x", keycode); 297 free_keycodes(); 298 return; 299 } 300 301 if (keycode & SCANCODE_GREY) { 302 kbd_put_keycode(SCANCODE_EMUL0); 303 } 304 kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK); 305 306 keycodes = g_realloc(keycodes, sizeof(int) * (keycodes_size + 1)); 307 keycodes[keycodes_size++] = keycode; 308 } 309 310 /* delayed key up events */ 311 qemu_mod_timer(key_timer, qemu_get_clock_ns(vm_clock) + 312 muldiv64(get_ticks_per_sec(), hold_time, 1000)); 313 } 314 315 QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) 316 { 317 QEMUPutKbdEntry *entry; 318 319 entry = g_malloc0(sizeof(QEMUPutKbdEntry)); 320 entry->put_kbd = func; 321 entry->opaque = opaque; 322 QTAILQ_INSERT_HEAD(&kbd_handlers, entry, next); 323 return entry; 324 } 325 326 void qemu_remove_kbd_event_handler(QEMUPutKbdEntry *entry) 327 { 328 QTAILQ_REMOVE(&kbd_handlers, entry, next); 329 } 330 331 static void check_mode_change(void) 332 { 333 static int current_is_absolute, current_has_absolute; 334 int is_absolute; 335 int has_absolute; 336 337 is_absolute = kbd_mouse_is_absolute(); 338 has_absolute = kbd_mouse_has_absolute(); 339 340 if (is_absolute != current_is_absolute || 341 has_absolute != current_has_absolute) { 342 notifier_list_notify(&mouse_mode_notifiers, NULL); 343 } 344 345 current_is_absolute = is_absolute; 346 current_has_absolute = has_absolute; 347 } 348 349 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, 350 void *opaque, int absolute, 351 const char *name) 352 { 353 QEMUPutMouseEntry *s; 354 static int mouse_index = 0; 355 356 s = g_malloc0(sizeof(QEMUPutMouseEntry)); 357 358 s->qemu_put_mouse_event = func; 359 s->qemu_put_mouse_event_opaque = opaque; 360 s->qemu_put_mouse_event_absolute = absolute; 361 s->qemu_put_mouse_event_name = g_strdup(name); 362 s->index = mouse_index++; 363 364 QTAILQ_INSERT_TAIL(&mouse_handlers, s, node); 365 366 check_mode_change(); 367 368 return s; 369 } 370 371 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry) 372 { 373 QTAILQ_REMOVE(&mouse_handlers, entry, node); 374 QTAILQ_INSERT_HEAD(&mouse_handlers, entry, node); 375 376 check_mode_change(); 377 } 378 379 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) 380 { 381 QTAILQ_REMOVE(&mouse_handlers, entry, node); 382 383 g_free(entry->qemu_put_mouse_event_name); 384 g_free(entry); 385 386 check_mode_change(); 387 } 388 389 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func, 390 void *opaque) 391 { 392 QEMUPutLEDEntry *s; 393 394 s = g_malloc0(sizeof(QEMUPutLEDEntry)); 395 396 s->put_led = func; 397 s->opaque = opaque; 398 QTAILQ_INSERT_TAIL(&led_handlers, s, next); 399 return s; 400 } 401 402 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry) 403 { 404 if (entry == NULL) 405 return; 406 QTAILQ_REMOVE(&led_handlers, entry, next); 407 g_free(entry); 408 } 409 410 void kbd_put_keycode(int keycode) 411 { 412 QEMUPutKbdEntry *entry = QTAILQ_FIRST(&kbd_handlers); 413 414 if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) { 415 return; 416 } 417 if (entry) { 418 entry->put_kbd(entry->opaque, keycode); 419 } 420 } 421 422 void kbd_put_ledstate(int ledstate) 423 { 424 QEMUPutLEDEntry *cursor; 425 426 QTAILQ_FOREACH(cursor, &led_handlers, next) { 427 cursor->put_led(cursor->opaque, ledstate); 428 } 429 } 430 431 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) 432 { 433 QEMUPutMouseEntry *entry; 434 QEMUPutMouseEvent *mouse_event; 435 void *mouse_event_opaque; 436 int width, height; 437 438 if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) { 439 return; 440 } 441 if (QTAILQ_EMPTY(&mouse_handlers)) { 442 return; 443 } 444 445 entry = QTAILQ_FIRST(&mouse_handlers); 446 447 mouse_event = entry->qemu_put_mouse_event; 448 mouse_event_opaque = entry->qemu_put_mouse_event_opaque; 449 450 if (mouse_event) { 451 if (entry->qemu_put_mouse_event_absolute) { 452 width = 0x7fff; 453 height = 0x7fff; 454 } else { 455 width = graphic_width - 1; 456 height = graphic_height - 1; 457 } 458 459 switch (graphic_rotate) { 460 case 0: 461 mouse_event(mouse_event_opaque, 462 dx, dy, dz, buttons_state); 463 break; 464 case 90: 465 mouse_event(mouse_event_opaque, 466 width - dy, dx, dz, buttons_state); 467 break; 468 case 180: 469 mouse_event(mouse_event_opaque, 470 width - dx, height - dy, dz, buttons_state); 471 break; 472 case 270: 473 mouse_event(mouse_event_opaque, 474 dy, height - dx, dz, buttons_state); 475 break; 476 } 477 } 478 } 479 480 int kbd_mouse_is_absolute(void) 481 { 482 if (QTAILQ_EMPTY(&mouse_handlers)) { 483 return 0; 484 } 485 486 return QTAILQ_FIRST(&mouse_handlers)->qemu_put_mouse_event_absolute; 487 } 488 489 int kbd_mouse_has_absolute(void) 490 { 491 QEMUPutMouseEntry *entry; 492 493 QTAILQ_FOREACH(entry, &mouse_handlers, node) { 494 if (entry->qemu_put_mouse_event_absolute) { 495 return 1; 496 } 497 } 498 499 return 0; 500 } 501 502 MouseInfoList *qmp_query_mice(Error **errp) 503 { 504 MouseInfoList *mice_list = NULL; 505 QEMUPutMouseEntry *cursor; 506 bool current = true; 507 508 QTAILQ_FOREACH(cursor, &mouse_handlers, node) { 509 MouseInfoList *info = g_malloc0(sizeof(*info)); 510 info->value = g_malloc0(sizeof(*info->value)); 511 info->value->name = g_strdup(cursor->qemu_put_mouse_event_name); 512 info->value->index = cursor->index; 513 info->value->absolute = !!cursor->qemu_put_mouse_event_absolute; 514 info->value->current = current; 515 516 current = false; 517 518 info->next = mice_list; 519 mice_list = info; 520 } 521 522 return mice_list; 523 } 524 525 void do_mouse_set(Monitor *mon, const QDict *qdict) 526 { 527 QEMUPutMouseEntry *cursor; 528 int index = qdict_get_int(qdict, "index"); 529 int found = 0; 530 531 if (QTAILQ_EMPTY(&mouse_handlers)) { 532 monitor_printf(mon, "No mouse devices connected\n"); 533 return; 534 } 535 536 QTAILQ_FOREACH(cursor, &mouse_handlers, node) { 537 if (cursor->index == index) { 538 found = 1; 539 qemu_activate_mouse_event_handler(cursor); 540 break; 541 } 542 } 543 544 if (!found) { 545 monitor_printf(mon, "Mouse at given index not found\n"); 546 } 547 548 check_mode_change(); 549 } 550 551 void qemu_add_mouse_mode_change_notifier(Notifier *notify) 552 { 553 notifier_list_add(&mouse_mode_notifiers, notify); 554 } 555 556 void qemu_remove_mouse_mode_change_notifier(Notifier *notify) 557 { 558 notifier_remove(notify); 559 } 560