ui/input-legacy.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/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 #include "ui/input.h"
  33
  34 struct QEMUPutMouseEntry {
  35     QEMUPutMouseEvent *qemu_put_mouse_event;
  36     void *qemu_put_mouse_event_opaque;
  37     int qemu_put_mouse_event_absolute;
  38
  39     /* new input core */
  40     QemuInputHandler h;
  41     QemuInputHandlerState *s;
  42     int axis[INPUT_AXIS_MAX];
  43     int buttons;
  44 };
  45
  46 struct QEMUPutKbdEntry {
  47     QEMUPutKBDEvent *put_kbd;
  48     void *opaque;
  49     QemuInputHandlerState *s;
  50 };
  51
  52 struct QEMUPutLEDEntry {
  53     QEMUPutLEDEvent *put_led;
  54     void *opaque;
  55     QTAILQ_ENTRY(QEMUPutLEDEntry) next;
  56 };
  57
  58 static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers =
  59     QTAILQ_HEAD_INITIALIZER(led_handlers);
  60 static QTAILQ_HEAD(, QEMUPutMouseEntry) mouse_handlers =
  61     QTAILQ_HEAD_INITIALIZER(mouse_handlers);
  62
  63 static const int key_defs[] = {
  64     [Q_KEY_CODE_SHIFT] = 0x2a,
  65     [Q_KEY_CODE_SHIFT_R] = 0x36,
  66
  67     [Q_KEY_CODE_ALT] = 0x38,
  68     [Q_KEY_CODE_ALT_R] = 0xb8,
  69     [Q_KEY_CODE_ALTGR] = 0x64,
  70     [Q_KEY_CODE_ALTGR_R] = 0xe4,
  71     [Q_KEY_CODE_CTRL] = 0x1d,
  72     [Q_KEY_CODE_CTRL_R] = 0x9d,
  73
  74     [Q_KEY_CODE_MENU] = 0xdd,
  75
  76     [Q_KEY_CODE_ESC] = 0x01,
  77
  78     [Q_KEY_CODE_1] = 0x02,
  79     [Q_KEY_CODE_2] = 0x03,
  80     [Q_KEY_CODE_3] = 0x04,
  81     [Q_KEY_CODE_4] = 0x05,
  82     [Q_KEY_CODE_5] = 0x06,
  83     [Q_KEY_CODE_6] = 0x07,
  84     [Q_KEY_CODE_7] = 0x08,
  85     [Q_KEY_CODE_8] = 0x09,
  86     [Q_KEY_CODE_9] = 0x0a,
  87     [Q_KEY_CODE_0] = 0x0b,
  88     [Q_KEY_CODE_MINUS] = 0x0c,
  89     [Q_KEY_CODE_EQUAL] = 0x0d,
  90     [Q_KEY_CODE_BACKSPACE] = 0x0e,
  91
  92     [Q_KEY_CODE_TAB] = 0x0f,
  93     [Q_KEY_CODE_Q] = 0x10,
  94     [Q_KEY_CODE_W] = 0x11,
  95     [Q_KEY_CODE_E] = 0x12,
  96     [Q_KEY_CODE_R] = 0x13,
  97     [Q_KEY_CODE_T] = 0x14,
  98     [Q_KEY_CODE_Y] = 0x15,
  99     [Q_KEY_CODE_U] = 0x16,
 100     [Q_KEY_CODE_I] = 0x17,
 101     [Q_KEY_CODE_O] = 0x18,
 102     [Q_KEY_CODE_P] = 0x19,
 103     [Q_KEY_CODE_BRACKET_LEFT] = 0x1a,
 104     [Q_KEY_CODE_BRACKET_RIGHT] = 0x1b,
 105     [Q_KEY_CODE_RET] = 0x1c,
 106
 107     [Q_KEY_CODE_A] = 0x1e,
 108     [Q_KEY_CODE_S] = 0x1f,
 109     [Q_KEY_CODE_D] = 0x20,
 110     [Q_KEY_CODE_F] = 0x21,
 111     [Q_KEY_CODE_G] = 0x22,
 112     [Q_KEY_CODE_H] = 0x23,
 113     [Q_KEY_CODE_J] = 0x24,
 114     [Q_KEY_CODE_K] = 0x25,
 115     [Q_KEY_CODE_L] = 0x26,
 116     [Q_KEY_CODE_SEMICOLON] = 0x27,
 117     [Q_KEY_CODE_APOSTROPHE] = 0x28,
 118     [Q_KEY_CODE_GRAVE_ACCENT] = 0x29,
 119
 120     [Q_KEY_CODE_BACKSLASH] = 0x2b,
 121     [Q_KEY_CODE_Z] = 0x2c,
 122     [Q_KEY_CODE_X] = 0x2d,
 123     [Q_KEY_CODE_C] = 0x2e,
 124     [Q_KEY_CODE_V] = 0x2f,
 125     [Q_KEY_CODE_B] = 0x30,
 126     [Q_KEY_CODE_N] = 0x31,
 127     [Q_KEY_CODE_M] = 0x32,
 128     [Q_KEY_CODE_COMMA] = 0x33,
 129     [Q_KEY_CODE_DOT] = 0x34,
 130     [Q_KEY_CODE_SLASH] = 0x35,
 131
 132     [Q_KEY_CODE_ASTERISK] = 0x37,
 133
 134     [Q_KEY_CODE_SPC] = 0x39,
 135     [Q_KEY_CODE_CAPS_LOCK] = 0x3a,
 136     [Q_KEY_CODE_F1] = 0x3b,
 137     [Q_KEY_CODE_F2] = 0x3c,
 138     [Q_KEY_CODE_F3] = 0x3d,
 139     [Q_KEY_CODE_F4] = 0x3e,
 140     [Q_KEY_CODE_F5] = 0x3f,
 141     [Q_KEY_CODE_F6] = 0x40,
 142     [Q_KEY_CODE_F7] = 0x41,
 143     [Q_KEY_CODE_F8] = 0x42,
 144     [Q_KEY_CODE_F9] = 0x43,
 145     [Q_KEY_CODE_F10] = 0x44,
 146     [Q_KEY_CODE_NUM_LOCK] = 0x45,
 147     [Q_KEY_CODE_SCROLL_LOCK] = 0x46,
 148
 149     [Q_KEY_CODE_KP_DIVIDE] = 0xb5,
 150     [Q_KEY_CODE_KP_MULTIPLY] = 0x37,
 151     [Q_KEY_CODE_KP_SUBTRACT] = 0x4a,
 152     [Q_KEY_CODE_KP_ADD] = 0x4e,
 153     [Q_KEY_CODE_KP_ENTER] = 0x9c,
 154     [Q_KEY_CODE_KP_DECIMAL] = 0x53,
 155     [Q_KEY_CODE_SYSRQ] = 0x54,
 156
 157     [Q_KEY_CODE_KP_0] = 0x52,
 158     [Q_KEY_CODE_KP_1] = 0x4f,
 159     [Q_KEY_CODE_KP_2] = 0x50,
 160     [Q_KEY_CODE_KP_3] = 0x51,
 161     [Q_KEY_CODE_KP_4] = 0x4b,
 162     [Q_KEY_CODE_KP_5] = 0x4c,
 163     [Q_KEY_CODE_KP_6] = 0x4d,
 164     [Q_KEY_CODE_KP_7] = 0x47,
 165     [Q_KEY_CODE_KP_8] = 0x48,
 166     [Q_KEY_CODE_KP_9] = 0x49,
 167
 168     [Q_KEY_CODE_LESS] = 0x56,
 169
 170     [Q_KEY_CODE_F11] = 0x57,
 171     [Q_KEY_CODE_F12] = 0x58,
 172
 173     [Q_KEY_CODE_PRINT] = 0xb7,
 174
 175     [Q_KEY_CODE_HOME] = 0xc7,
 176     [Q_KEY_CODE_PGUP] = 0xc9,
 177     [Q_KEY_CODE_PGDN] = 0xd1,
 178     [Q_KEY_CODE_END] = 0xcf,
 179
 180     [Q_KEY_CODE_LEFT] = 0xcb,
 181     [Q_KEY_CODE_UP] = 0xc8,
 182     [Q_KEY_CODE_DOWN] = 0xd0,
 183     [Q_KEY_CODE_RIGHT] = 0xcd,
 184
 185     [Q_KEY_CODE_INSERT] = 0xd2,
 186     [Q_KEY_CODE_DELETE] = 0xd3,
 187 #ifdef NEED_CPU_H
 188 #if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
 189     [Q_KEY_CODE_STOP] = 0xf0,
 190     [Q_KEY_CODE_AGAIN] = 0xf1,
 191     [Q_KEY_CODE_PROPS] = 0xf2,
 192     [Q_KEY_CODE_UNDO] = 0xf3,
 193     [Q_KEY_CODE_FRONT] = 0xf4,
 194     [Q_KEY_CODE_COPY] = 0xf5,
 195     [Q_KEY_CODE_OPEN] = 0xf6,
 196     [Q_KEY_CODE_PASTE] = 0xf7,
 197     [Q_KEY_CODE_FIND] = 0xf8,
 198     [Q_KEY_CODE_CUT] = 0xf9,
 199     [Q_KEY_CODE_LF] = 0xfa,
 200     [Q_KEY_CODE_HELP] = 0xfb,
 201     [Q_KEY_CODE_META_L] = 0xfc,
 202     [Q_KEY_CODE_META_R] = 0xfd,
 203     [Q_KEY_CODE_COMPOSE] = 0xfe,
 204 #endif
 205 #endif
 206     [Q_KEY_CODE_MAX] = 0,
 207 };
 208
 209 int index_from_key(const char *key)
 210 {
 211     int i;
 212
 213     for (i = 0; QKeyCode_lookup[i] != NULL; i++) {
 214         if (!strcmp(key, QKeyCode_lookup[i])) {
 215             break;
 216         }
 217     }
 218
 219     /* Return Q_KEY_CODE_MAX if the key is invalid */
 220     return i;
 221 }
 222
 223 int index_from_keycode(int code)
 224 {
 225     int i;
 226
 227     for (i = 0; i < Q_KEY_CODE_MAX; i++) {
 228         if (key_defs[i] == code) {
 229             break;
 230         }
 231     }
 232
 233     /* Return Q_KEY_CODE_MAX if the code is invalid */
 234     return i;
 235 }
 236
 237 static int *keycodes;
 238 static int keycodes_size;
 239 static QEMUTimer *key_timer;
 240
 241 static int keycode_from_keyvalue(const KeyValue *value)
 242 {
 243     if (value->kind == KEY_VALUE_KIND_QCODE) {
 244         return key_defs[value->qcode];
 245     } else {
 246         assert(value->kind == KEY_VALUE_KIND_NUMBER);
 247         return value->number;
 248     }
 249 }
 250
 251 static void free_keycodes(void)
 252 {
 253     g_free(keycodes);
 254     keycodes = NULL;
 255     keycodes_size = 0;
 256 }
 257
 258 static void release_keys(void *opaque)
 259 {
 260     while (keycodes_size > 0) {
 261         qemu_input_event_send_key_number(NULL, keycodes[--keycodes_size],
 262                                          false);
 263     }
 264
 265     free_keycodes();
 266 }
 267
 268 void qmp_send_key(KeyValueList *keys, bool has_hold_time, int64_t hold_time,
 269                   Error **errp)
 270 {
 271     int keycode;
 272     KeyValueList *p;
 273
 274     if (!key_timer) {
 275         key_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, release_keys, NULL);
 276     }
 277
 278     if (keycodes != NULL) {
 279         timer_del(key_timer);
 280         release_keys(NULL);
 281     }
 282
 283     if (!has_hold_time) {
 284         hold_time = 100;
 285     }
 286
 287     for (p = keys; p != NULL; p = p->next) {
 288         /* key down events */
 289         keycode = keycode_from_keyvalue(p->value);
 290         if (keycode < 0x01 || keycode > 0xff) {
 291             error_setg(errp, "invalid hex keycode 0x%x", keycode);
 292             free_keycodes();
 293             return;
 294         }
 295
 296         qemu_input_event_send_key_number(NULL, keycode, true);
 297
 298         keycodes = g_realloc(keycodes, sizeof(int) * (keycodes_size + 1));
 299         keycodes[keycodes_size++] = keycode;
 300     }
 301
 302     /* delayed key up events */
 303     timer_mod(key_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
 304                    muldiv64(get_ticks_per_sec(), hold_time, 1000));
 305 }
 306
 307 static void legacy_kbd_event(DeviceState *dev, QemuConsole *src,
 308                              InputEvent *evt)
 309 {
 310     QEMUPutKbdEntry *entry = (QEMUPutKbdEntry *)dev;
 311     int keycode = keycode_from_keyvalue(evt->key->key);
 312
 313     if (!entry || !entry->put_kbd) {
 314         return;
 315     }
 316     if (evt->key->key->kind == KEY_VALUE_KIND_QCODE &&
 317         evt->key->key->qcode == Q_KEY_CODE_PAUSE) {
 318         /* specific case */
 319         int v = evt->key->down ? 0 : 0x80;
 320         entry->put_kbd(entry->opaque, 0xe1);
 321         entry->put_kbd(entry->opaque, 0x1d | v);
 322         entry->put_kbd(entry->opaque, 0x45 | v);
 323         return;
 324     }
 325     if (keycode & SCANCODE_GREY) {
 326         entry->put_kbd(entry->opaque, SCANCODE_EMUL0);
 327         keycode &= ~SCANCODE_GREY;
 328     }
 329     if (!evt->key->down) {
 330         keycode |= SCANCODE_UP;
 331     }
 332     entry->put_kbd(entry->opaque, keycode);
 333 }
 334
 335 static QemuInputHandler legacy_kbd_handler = {
 336     .name  = "legacy-kbd",
 337     .mask  = INPUT_EVENT_MASK_KEY,
 338     .event = legacy_kbd_event,
 339 };
 340
 341 QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
 342 {
 343     QEMUPutKbdEntry *entry;
 344
 345     entry = g_new0(QEMUPutKbdEntry, 1);
 346     entry->put_kbd = func;
 347     entry->opaque = opaque;
 348     entry->s = qemu_input_handler_register((DeviceState *)entry,
 349                                            &legacy_kbd_handler);
 350     return entry;
 351 }
 352
 353 void qemu_remove_kbd_event_handler(QEMUPutKbdEntry *entry)
 354 {
 355     qemu_input_handler_unregister(entry->s);
 356     g_free(entry);
 357 }
 358
 359 static void legacy_mouse_event(DeviceState *dev, QemuConsole *src,
 360                                InputEvent *evt)
 361 {
 362     static const int bmap[INPUT_BUTTON_MAX] = {
 363         [INPUT_BUTTON_LEFT]   = MOUSE_EVENT_LBUTTON,
 364         [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
 365         [INPUT_BUTTON_RIGHT]  = MOUSE_EVENT_RBUTTON,
 366     };
 367     QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
 368
 369     switch (evt->kind) {
 370     case INPUT_EVENT_KIND_BTN:
 371         if (evt->btn->down) {
 372             s->buttons |= bmap[evt->btn->button];
 373         } else {
 374             s->buttons &= ~bmap[evt->btn->button];
 375         }
 376         break;
 377     case INPUT_EVENT_KIND_ABS:
 378         s->axis[evt->abs->axis] = evt->abs->value;
 379         break;
 380     case INPUT_EVENT_KIND_REL:
 381         s->axis[evt->rel->axis] += evt->rel->value;
 382         break;
 383     default:
 384         break;
 385     }
 386 }
 387
 388 static void legacy_mouse_sync(DeviceState *dev)
 389 {
 390     QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
 391
 392     s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
 393                             s->axis[INPUT_AXIS_X],
 394                             s->axis[INPUT_AXIS_Y],
 395                             0,
 396                             s->buttons);
 397
 398     if (!s->qemu_put_mouse_event_absolute) {
 399         s->axis[INPUT_AXIS_X] = 0;
 400         s->axis[INPUT_AXIS_Y] = 0;
 401     }
 402 }
 403
 404 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
 405                                                 void *opaque, int absolute,
 406                                                 const char *name)
 407 {
 408     QEMUPutMouseEntry *s;
 409
 410     s = g_malloc0(sizeof(QEMUPutMouseEntry));
 411
 412     s->qemu_put_mouse_event = func;
 413     s->qemu_put_mouse_event_opaque = opaque;
 414     s->qemu_put_mouse_event_absolute = absolute;
 415
 416     s->h.name = name;
 417     s->h.mask = INPUT_EVENT_MASK_BTN |
 418         (absolute ? INPUT_EVENT_MASK_ABS : INPUT_EVENT_MASK_REL);
 419     s->h.event = legacy_mouse_event;
 420     s->h.sync = legacy_mouse_sync;
 421     s->s = qemu_input_handler_register((DeviceState *)s,
 422                                        &s->h);
 423
 424     return s;
 425 }
 426
 427 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
 428 {
 429     qemu_input_handler_activate(entry->s);
 430 }
 431
 432 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
 433 {
 434     qemu_input_handler_unregister(entry->s);
 435
 436     g_free(entry);
 437 }
 438
 439 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
 440                                             void *opaque)
 441 {
 442     QEMUPutLEDEntry *s;
 443
 444     s = g_malloc0(sizeof(QEMUPutLEDEntry));
 445
 446     s->put_led = func;
 447     s->opaque = opaque;
 448     QTAILQ_INSERT_TAIL(&led_handlers, s, next);
 449     return s;
 450 }
 451
 452 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
 453 {
 454     if (entry == NULL)
 455         return;
 456     QTAILQ_REMOVE(&led_handlers, entry, next);
 457     g_free(entry);
 458 }
 459
 460 void kbd_put_ledstate(int ledstate)
 461 {
 462     QEMUPutLEDEntry *cursor;
 463
 464     QTAILQ_FOREACH(cursor, &led_handlers, next) {
 465         cursor->put_led(cursor->opaque, ledstate);
 466     }
 467 }