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;
 190
 191     for (i = 0; QKeyCode_lookup[i] != NULL; i++) {
 192         if (!strcmp(key, QKeyCode_lookup[i])) {
 193             break;
 194         }
 195     }
 196
 197     /* Return Q_KEY_CODE_MAX if the key is invalid */
 198     return i;
 199 }
 200
 201 int index_from_keycode(int code)
 202 {
 203     int i;
 204
 205     for (i = 0; i < Q_KEY_CODE_MAX; i++) {
 206         if (key_defs[i] == code) {
 207             break;
 208         }
 209     }
 210
 211     /* Return Q_KEY_CODE_MAX if the code is invalid */
 212     return i;
 213 }
 214
 215 static int *keycodes;
 216 static int keycodes_size;
 217 static QEMUTimer *key_timer;
 218
 219 static int keycode_from_keyvalue(const KeyValue *value)
 220 {
 221     if (value->kind == KEY_VALUE_KIND_QCODE) {
 222         return key_defs[value->qcode];
 223     } else {
 224         assert(value->kind == KEY_VALUE_KIND_NUMBER);
 225         return value->number;
 226     }
 227 }
 228
 229 static void free_keycodes(void)
 230 {
 231     g_free(keycodes);
 232     keycodes = NULL;
 233     keycodes_size = 0;
 234 }
 235
 236 static void release_keys(void *opaque)
 237 {
 238     int i;
 239
 240     for (i = 0; i < keycodes_size; i++) {
 241         if (keycodes[i] & 0x80) {
 242             kbd_put_keycode(0xe0);
 243         }
 244         kbd_put_keycode(keycodes[i]| 0x80);
 245     }
 246
 247     free_keycodes();
 248 }
 249
 250 void qmp_send_key(KeyValueList *keys, bool has_hold_time, int64_t hold_time,
 251                   Error **errp)
 252 {
 253     int keycode;
 254     KeyValueList *p;
 255
 256     if (!key_timer) {
 257         key_timer = qemu_new_timer_ns(vm_clock, release_keys, NULL);
 258     }
 259
 260     if (keycodes != NULL) {
 261         qemu_del_timer(key_timer);
 262         release_keys(NULL);
 263     }
 264
 265     if (!has_hold_time) {
 266         hold_time = 100;
 267     }
 268
 269     for (p = keys; p != NULL; p = p->next) {
 270         /* key down events */
 271         keycode = keycode_from_keyvalue(p->value);
 272         if (keycode < 0x01 || keycode > 0xff) {
 273             error_setg(errp, "invalid hex keycode 0x%x\n", keycode);
 274             free_keycodes();
 275             return;
 276         }
 277
 278         if (keycode & 0x80) {
 279             kbd_put_keycode(0xe0);
 280         }
 281         kbd_put_keycode(keycode & 0x7f);
 282
 283         keycodes = g_realloc(keycodes, sizeof(int) * (keycodes_size + 1));
 284         keycodes[keycodes_size++] = keycode;
 285     }
 286
 287     /* delayed key up events */
 288     qemu_mod_timer(key_timer, qemu_get_clock_ns(vm_clock) +
 289                    muldiv64(get_ticks_per_sec(), hold_time, 1000));
 290 }
 291
 292 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
 293 {
 294     qemu_put_kbd_event_opaque = opaque;
 295     qemu_put_kbd_event = func;
 296 }
 297
 298 void qemu_remove_kbd_event_handler(void)
 299 {
 300     qemu_put_kbd_event_opaque = NULL;
 301     qemu_put_kbd_event = NULL;
 302 }
 303
 304 static void check_mode_change(void)
 305 {
 306     static int current_is_absolute, current_has_absolute;
 307     int is_absolute;
 308     int has_absolute;
 309
 310     is_absolute = kbd_mouse_is_absolute();
 311     has_absolute = kbd_mouse_has_absolute();
 312
 313     if (is_absolute != current_is_absolute ||
 314         has_absolute != current_has_absolute) {
 315         notifier_list_notify(&mouse_mode_notifiers, NULL);
 316     }
 317
 318     current_is_absolute = is_absolute;
 319     current_has_absolute = has_absolute;
 320 }
 321
 322 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
 323                                                 void *opaque, int absolute,
 324                                                 const char *name)
 325 {
 326     QEMUPutMouseEntry *s;
 327     static int mouse_index = 0;
 328
 329     s = g_malloc0(sizeof(QEMUPutMouseEntry));
 330
 331     s->qemu_put_mouse_event = func;
 332     s->qemu_put_mouse_event_opaque = opaque;
 333     s->qemu_put_mouse_event_absolute = absolute;
 334     s->qemu_put_mouse_event_name = g_strdup(name);
 335     s->index = mouse_index++;
 336
 337     QTAILQ_INSERT_TAIL(&mouse_handlers, s, node);
 338
 339     check_mode_change();
 340
 341     return s;
 342 }
 343
 344 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
 345 {
 346     QTAILQ_REMOVE(&mouse_handlers, entry, node);
 347     QTAILQ_INSERT_HEAD(&mouse_handlers, entry, node);
 348
 349     check_mode_change();
 350 }
 351
 352 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
 353 {
 354     QTAILQ_REMOVE(&mouse_handlers, entry, node);
 355
 356     g_free(entry->qemu_put_mouse_event_name);
 357     g_free(entry);
 358
 359     check_mode_change();
 360 }
 361
 362 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
 363                                             void *opaque)
 364 {
 365     QEMUPutLEDEntry *s;
 366
 367     s = g_malloc0(sizeof(QEMUPutLEDEntry));
 368
 369     s->put_led = func;
 370     s->opaque = opaque;
 371     QTAILQ_INSERT_TAIL(&led_handlers, s, next);
 372     return s;
 373 }
 374
 375 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
 376 {
 377     if (entry == NULL)
 378         return;
 379     QTAILQ_REMOVE(&led_handlers, entry, next);
 380     g_free(entry);
 381 }
 382
 383 void kbd_put_keycode(int keycode)
 384 {
 385     if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
 386         return;
 387     }
 388     if (qemu_put_kbd_event) {
 389         qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
 390     }
 391 }
 392
 393 void kbd_put_ledstate(int ledstate)
 394 {
 395     QEMUPutLEDEntry *cursor;
 396
 397     QTAILQ_FOREACH(cursor, &led_handlers, next) {
 398         cursor->put_led(cursor->opaque, ledstate);
 399     }
 400 }
 401
 402 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
 403 {
 404     QEMUPutMouseEntry *entry;
 405     QEMUPutMouseEvent *mouse_event;
 406     void *mouse_event_opaque;
 407     int width, height;
 408
 409     if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
 410         return;
 411     }
 412     if (QTAILQ_EMPTY(&mouse_handlers)) {
 413         return;
 414     }
 415
 416     entry = QTAILQ_FIRST(&mouse_handlers);
 417
 418     mouse_event = entry->qemu_put_mouse_event;
 419     mouse_event_opaque = entry->qemu_put_mouse_event_opaque;
 420
 421     if (mouse_event) {
 422         if (entry->qemu_put_mouse_event_absolute) {
 423             width = 0x7fff;
 424             height = 0x7fff;
 425         } else {
 426             width = graphic_width - 1;
 427             height = graphic_height - 1;
 428         }
 429
 430         switch (graphic_rotate) {
 431         case 0:
 432             mouse_event(mouse_event_opaque,
 433                         dx, dy, dz, buttons_state);
 434             break;
 435         case 90:
 436             mouse_event(mouse_event_opaque,
 437                         width - dy, dx, dz, buttons_state);
 438             break;
 439         case 180:
 440             mouse_event(mouse_event_opaque,
 441                         width - dx, height - dy, dz, buttons_state);
 442             break;
 443         case 270:
 444             mouse_event(mouse_event_opaque,
 445                         dy, height - dx, dz, buttons_state);
 446             break;
 447         }
 448     }
 449 }
 450
 451 int kbd_mouse_is_absolute(void)
 452 {
 453     if (QTAILQ_EMPTY(&mouse_handlers)) {
 454         return 0;
 455     }
 456
 457     return QTAILQ_FIRST(&mouse_handlers)->qemu_put_mouse_event_absolute;
 458 }
 459
 460 int kbd_mouse_has_absolute(void)
 461 {
 462     QEMUPutMouseEntry *entry;
 463
 464     QTAILQ_FOREACH(entry, &mouse_handlers, node) {
 465         if (entry->qemu_put_mouse_event_absolute) {
 466             return 1;
 467         }
 468     }
 469
 470     return 0;
 471 }
 472
 473 MouseInfoList *qmp_query_mice(Error **errp)
 474 {
 475     MouseInfoList *mice_list = NULL;
 476     QEMUPutMouseEntry *cursor;
 477     bool current = true;
 478
 479     QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
 480         MouseInfoList *info = g_malloc0(sizeof(*info));
 481         info->value = g_malloc0(sizeof(*info->value));
 482         info->value->name = g_strdup(cursor->qemu_put_mouse_event_name);
 483         info->value->index = cursor->index;
 484         info->value->absolute = !!cursor->qemu_put_mouse_event_absolute;
 485         info->value->current = current;
 486
 487         current = false;
 488
 489         info->next = mice_list;
 490         mice_list = info;
 491     }
 492
 493     return mice_list;
 494 }
 495
 496 void do_mouse_set(Monitor *mon, const QDict *qdict)
 497 {
 498     QEMUPutMouseEntry *cursor;
 499     int index = qdict_get_int(qdict, "index");
 500     int found = 0;
 501
 502     if (QTAILQ_EMPTY(&mouse_handlers)) {
 503         monitor_printf(mon, "No mouse devices connected\n");
 504         return;
 505     }
 506
 507     QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
 508         if (cursor->index == index) {
 509             found = 1;
 510             qemu_activate_mouse_event_handler(cursor);
 511             break;
 512         }
 513     }
 514
 515     if (!found) {
 516         monitor_printf(mon, "Mouse at given index not found\n");
 517     }
 518
 519     check_mode_change();
 520 }
 521
 522 void qemu_add_mouse_mode_change_notifier(Notifier *notify)
 523 {
 524     notifier_list_add(&mouse_mode_notifiers, notify);
 525 }
 526
 527 void qemu_remove_mouse_mode_change_notifier(Notifier *notify)
 528 {
 529     notifier_remove(notify);
 530 }