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