ui/input-barrier.c

   1 /*
   2  * SPDX-License-Identifier: GPL-2.0-or-later
   3  *
   4  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   5  * See the COPYING file in the top-level directory.
   6  */
   7
   8 #include "qemu/osdep.h"
   9 #include "sysemu/sysemu.h"
  10 #include "qemu/main-loop.h"
  11 #include "qemu/sockets.h"
  12 #include "qapi/error.h"
  13 #include "qom/object_interfaces.h"
  14 #include "io/channel-socket.h"
  15 #include "ui/input.h"
  16 #include "qom/object.h"
  17 #include "ui/vnc_keysym.h" /* use name2keysym from VNC as we use X11 values */
  18 #include "qemu/cutils.h"
  19 #include "qapi/qmp/qerror.h"
  20 #include "input-barrier.h"
  21
  22 #define TYPE_INPUT_BARRIER "input-barrier"
  23 OBJECT_DECLARE_SIMPLE_TYPE(InputBarrier,
  24                            INPUT_BARRIER)
  25
  26
  27 #define MAX_HELLO_LENGTH 1024
  28
  29 struct InputBarrier {
  30     Object parent;
  31
  32     QIOChannelSocket *sioc;
  33     guint ioc_tag;
  34
  35     /* display properties */
  36     gchar *name;
  37     int16_t x_origin, y_origin;
  38     int16_t width, height;
  39
  40     /* keyboard/mouse server */
  41
  42     SocketAddress saddr;
  43
  44     char buffer[MAX_HELLO_LENGTH];
  45 };
  46
  47
  48 static const char *cmd_names[] = {
  49     [barrierCmdCNoop]          = "CNOP",
  50     [barrierCmdCClose]         = "CBYE",
  51     [barrierCmdCEnter]         = "CINN",
  52     [barrierCmdCLeave]         = "COUT",
  53     [barrierCmdCClipboard]     = "CCLP",
  54     [barrierCmdCScreenSaver]   = "CSEC",
  55     [barrierCmdCResetOptions]  = "CROP",
  56     [barrierCmdCInfoAck]       = "CIAK",
  57     [barrierCmdCKeepAlive]     = "CALV",
  58     [barrierCmdDKeyDown]       = "DKDN",
  59     [barrierCmdDKeyRepeat]     = "DKRP",
  60     [barrierCmdDKeyUp]         = "DKUP",
  61     [barrierCmdDMouseDown]     = "DMDN",
  62     [barrierCmdDMouseUp]       = "DMUP",
  63     [barrierCmdDMouseMove]     = "DMMV",
  64     [barrierCmdDMouseRelMove]  = "DMRM",
  65     [barrierCmdDMouseWheel]    = "DMWM",
  66     [barrierCmdDClipboard]     = "DCLP",
  67     [barrierCmdDInfo]          = "DINF",
  68     [barrierCmdDSetOptions]    = "DSOP",
  69     [barrierCmdDFileTransfer]  = "DFTR",
  70     [barrierCmdDDragInfo]      = "DDRG",
  71     [barrierCmdQInfo]          = "QINF",
  72     [barrierCmdEIncompatible]  = "EICV",
  73     [barrierCmdEBusy]          = "EBSY",
  74     [barrierCmdEUnknown]       = "EUNK",
  75     [barrierCmdEBad]           = "EBAD",
  76     [barrierCmdHello]          = "Barrier",
  77     [barrierCmdHelloBack]      = "Barrier",
  78 };
  79
  80 static kbd_layout_t *kbd_layout;
  81
  82 static int input_barrier_to_qcode(uint16_t keyid, uint16_t keycode)
  83 {
  84     /* keycode is optional, if it is not provided use keyid */
  85     if (keycode && keycode <= qemu_input_map_xorgkbd_to_qcode_len) {
  86         return qemu_input_map_xorgkbd_to_qcode[keycode];
  87     }
  88
  89     if (keyid >= 0xE000 && keyid <= 0xEFFF) {
  90         keyid += 0x1000;
  91     }
  92
  93     /* keyid is the X11 key id */
  94     if (kbd_layout) {
  95         keycode = keysym2scancode(kbd_layout, keyid, NULL, false);
  96
  97         return qemu_input_key_number_to_qcode(keycode);
  98     }
  99
 100     return qemu_input_map_x11_to_qcode[keyid];
 101 }
 102
 103 static int input_barrier_to_mouse(uint8_t buttonid)
 104 {
 105     switch (buttonid) {
 106     case barrierButtonLeft:
 107         return INPUT_BUTTON_LEFT;
 108     case barrierButtonMiddle:
 109         return INPUT_BUTTON_MIDDLE;
 110     case barrierButtonRight:
 111         return INPUT_BUTTON_RIGHT;
 112     case barrierButtonExtra0:
 113         return INPUT_BUTTON_SIDE;
 114     }
 115     return buttonid;
 116 }
 117
 118 #define read_char(x, p, l)           \
 119 do {                                 \
 120     int size = sizeof(char);         \
 121     if (l < size) {                  \
 122         return G_SOURCE_REMOVE;      \
 123     }                                \
 124     x = *(char *)p;                  \
 125     p += size;                       \
 126     l -= size;                       \
 127 } while (0)
 128
 129 #define read_short(x, p, l)          \
 130 do {                                 \
 131     int size = sizeof(short);        \
 132     if (l < size) {                  \
 133         return G_SOURCE_REMOVE;      \
 134     }                                \
 135     x = ntohs(*(short *)p);          \
 136     p += size;                       \
 137     l -= size;                       \
 138 } while (0)
 139
 140 #define write_short(p, x, l)         \
 141 do {                                 \
 142     int size = sizeof(short);        \
 143     if (l < size) {                  \
 144         return G_SOURCE_REMOVE;      \
 145     }                                \
 146     *(short *)p = htons(x);          \
 147     p += size;                       \
 148     l -= size;                       \
 149 } while (0)
 150
 151 #define read_int(x, p, l)            \
 152 do {                                 \
 153     int size = sizeof(int);          \
 154     if (l < size) {                  \
 155         return G_SOURCE_REMOVE;      \
 156     }                                \
 157     x = ntohl(*(int *)p);            \
 158     p += size;                       \
 159     l -= size;                       \
 160 } while (0)
 161
 162 #define write_int(p, x, l)           \
 163 do {                                 \
 164     int size = sizeof(int);          \
 165     if (l < size) {                  \
 166         return G_SOURCE_REMOVE;      \
 167     }                                \
 168     *(int *)p = htonl(x);            \
 169     p += size;                       \
 170     l -= size;                       \
 171 } while (0)
 172
 173 #define write_cmd(p, c, l)           \
 174 do {                                 \
 175     int size = strlen(cmd_names[c]); \
 176     if (l < size) {                  \
 177         return G_SOURCE_REMOVE;      \
 178     }                                \
 179     memcpy(p, cmd_names[c], size);   \
 180     p += size;                       \
 181     l -= size;                       \
 182 } while (0)
 183
 184 #define write_string(p, s, l)        \
 185 do {                                 \
 186     int size = strlen(s);            \
 187     if (l < size + sizeof(int)) {    \
 188         return G_SOURCE_REMOVE;      \
 189     }                                \
 190     *(int *)p = htonl(size);         \
 191     p += sizeof(size);               \
 192     l -= sizeof(size);               \
 193     memcpy(p, s, size);              \
 194     p += size;                       \
 195     l -= size;                       \
 196 } while (0)
 197
 198 static gboolean readcmd(InputBarrier *ib, struct barrierMsg *msg)
 199 {
 200     int ret, len, i;
 201     enum barrierCmd cmd;
 202     char *p;
 203
 204     ret = qio_channel_read(QIO_CHANNEL(ib->sioc), (char *)&len, sizeof(len),
 205                            NULL);
 206     if (ret < 0) {
 207         return G_SOURCE_REMOVE;
 208     }
 209
 210     len = ntohl(len);
 211     if (len > MAX_HELLO_LENGTH) {
 212         return G_SOURCE_REMOVE;
 213     }
 214
 215     ret = qio_channel_read(QIO_CHANNEL(ib->sioc), ib->buffer, len, NULL);
 216     if (ret < 0) {
 217         return G_SOURCE_REMOVE;
 218     }
 219
 220     p = ib->buffer;
 221     if (len >= strlen(cmd_names[barrierCmdHello]) &&
 222         memcmp(p, cmd_names[barrierCmdHello],
 223                strlen(cmd_names[barrierCmdHello])) == 0) {
 224         cmd = barrierCmdHello;
 225         p += strlen(cmd_names[barrierCmdHello]);
 226         len -= strlen(cmd_names[barrierCmdHello]);
 227     } else {
 228         for (cmd = 0; cmd < barrierCmdHello; cmd++) {
 229             if (memcmp(ib->buffer, cmd_names[cmd], 4) == 0) {
 230                 break;
 231             }
 232         }
 233
 234         if (cmd == barrierCmdHello) {
 235             return G_SOURCE_REMOVE;
 236         }
 237         p += 4;
 238         len -= 4;
 239     }
 240
 241     msg->cmd = cmd;
 242     switch (cmd) {
 243     /* connection */
 244     case barrierCmdHello:
 245         read_short(msg->version.major, p, len);
 246         read_short(msg->version.minor, p, len);
 247         break;
 248     case barrierCmdDSetOptions:
 249         read_int(msg->set.nb, p, len);
 250         msg->set.nb /= 2;
 251         if (msg->set.nb > BARRIER_MAX_OPTIONS) {
 252             msg->set.nb = BARRIER_MAX_OPTIONS;
 253         }
 254         i = 0;
 255         while (len && i < msg->set.nb) {
 256             read_int(msg->set.option[i].id, p, len);
 257             /* it's a string, restore endianness */
 258             msg->set.option[i].id = htonl(msg->set.option[i].id);
 259             msg->set.option[i].nul = 0;
 260             read_int(msg->set.option[i].value, p, len);
 261             i++;
 262         }
 263         break;
 264     case barrierCmdQInfo:
 265         break;
 266
 267     /* mouse */
 268     case barrierCmdDMouseMove:
 269     case barrierCmdDMouseRelMove:
 270         read_short(msg->mousepos.x, p, len);
 271         read_short(msg->mousepos.y, p, len);
 272         break;
 273     case barrierCmdDMouseDown:
 274     case barrierCmdDMouseUp:
 275         read_char(msg->mousebutton.buttonid, p, len);
 276         break;
 277     case barrierCmdDMouseWheel:
 278         read_short(msg->mousepos.y, p, len);
 279         msg->mousepos.x = 0;
 280         if (len) {
 281             msg->mousepos.x = msg->mousepos.y;
 282             read_short(msg->mousepos.y, p, len);
 283         }
 284         break;
 285
 286     /* keyboard */
 287     case barrierCmdDKeyDown:
 288     case barrierCmdDKeyUp:
 289         read_short(msg->key.keyid, p, len);
 290         read_short(msg->key.modifier, p, len);
 291         msg->key.button = 0;
 292         if (len) {
 293             read_short(msg->key.button, p, len);
 294         }
 295         break;
 296     case barrierCmdDKeyRepeat:
 297         read_short(msg->repeat.keyid, p, len);
 298         read_short(msg->repeat.modifier, p, len);
 299         read_short(msg->repeat.repeat, p, len);
 300         msg->repeat.button = 0;
 301         if (len) {
 302             read_short(msg->repeat.button, p, len);
 303         }
 304         break;
 305     case barrierCmdCInfoAck:
 306     case barrierCmdCResetOptions:
 307     case barrierCmdCEnter:
 308     case barrierCmdDClipboard:
 309     case barrierCmdCKeepAlive:
 310     case barrierCmdCLeave:
 311     case barrierCmdCClose:
 312         break;
 313
 314     /* Invalid from the server */
 315     case barrierCmdHelloBack:
 316     case barrierCmdCNoop:
 317     case barrierCmdDInfo:
 318         break;
 319
 320     /* Error codes */
 321     case barrierCmdEIncompatible:
 322         read_short(msg->version.major, p, len);
 323         read_short(msg->version.minor, p, len);
 324         break;
 325     case barrierCmdEBusy:
 326     case barrierCmdEUnknown:
 327     case barrierCmdEBad:
 328         break;
 329     default:
 330         return G_SOURCE_REMOVE;
 331     }
 332
 333     return G_SOURCE_CONTINUE;
 334 }
 335
 336 static gboolean writecmd(InputBarrier *ib, struct barrierMsg *msg)
 337 {
 338     char *p;
 339     int ret, i;
 340     int avail, len;
 341
 342     p = ib->buffer;
 343     avail = MAX_HELLO_LENGTH;
 344
 345     /* reserve space to store the length */
 346     p += sizeof(int);
 347     avail -= sizeof(int);
 348
 349     switch (msg->cmd) {
 350     case barrierCmdHello:
 351         if (msg->version.major < BARRIER_VERSION_MAJOR ||
 352             (msg->version.major == BARRIER_VERSION_MAJOR &&
 353              msg->version.minor < BARRIER_VERSION_MINOR)) {
 354             ib->ioc_tag = 0;
 355             return G_SOURCE_REMOVE;
 356         }
 357         write_cmd(p, barrierCmdHelloBack, avail);
 358         write_short(p, BARRIER_VERSION_MAJOR, avail);
 359         write_short(p, BARRIER_VERSION_MINOR, avail);
 360         write_string(p, ib->name, avail);
 361         break;
 362     case barrierCmdCClose:
 363         ib->ioc_tag = 0;
 364         return G_SOURCE_REMOVE;
 365     case barrierCmdQInfo:
 366         write_cmd(p, barrierCmdDInfo, avail);
 367         write_short(p, ib->x_origin, avail);
 368         write_short(p, ib->y_origin, avail);
 369         write_short(p, ib->width, avail);
 370         write_short(p, ib->height, avail);
 371         write_short(p, 0, avail);    /* warpsize (obsolete) */
 372         write_short(p, 0, avail);    /* mouse x */
 373         write_short(p, 0, avail);    /* mouse y */
 374         break;
 375     case barrierCmdCInfoAck:
 376         break;
 377     case barrierCmdCResetOptions:
 378         /* TODO: reset options */
 379         break;
 380     case barrierCmdDSetOptions:
 381         /* TODO: set options */
 382         break;
 383     case barrierCmdCEnter:
 384         break;
 385     case barrierCmdDClipboard:
 386         break;
 387     case barrierCmdCKeepAlive:
 388         write_cmd(p, barrierCmdCKeepAlive, avail);
 389         break;
 390     case barrierCmdCLeave:
 391         break;
 392
 393     /* mouse */
 394     case barrierCmdDMouseMove:
 395         qemu_input_queue_abs(NULL, INPUT_AXIS_X, msg->mousepos.x,
 396                              ib->x_origin, ib->width);
 397         qemu_input_queue_abs(NULL, INPUT_AXIS_Y, msg->mousepos.y,
 398                              ib->y_origin, ib->height);
 399         qemu_input_event_sync();
 400         break;
 401     case barrierCmdDMouseRelMove:
 402         qemu_input_queue_rel(NULL, INPUT_AXIS_X, msg->mousepos.x);
 403         qemu_input_queue_rel(NULL, INPUT_AXIS_Y, msg->mousepos.y);
 404         qemu_input_event_sync();
 405         break;
 406     case barrierCmdDMouseDown:
 407         qemu_input_queue_btn(NULL,
 408                              input_barrier_to_mouse(msg->mousebutton.buttonid),
 409                              true);
 410         qemu_input_event_sync();
 411         break;
 412     case barrierCmdDMouseUp:
 413         qemu_input_queue_btn(NULL,
 414                              input_barrier_to_mouse(msg->mousebutton.buttonid),
 415                              false);
 416         qemu_input_event_sync();
 417         break;
 418     case barrierCmdDMouseWheel:
 419         qemu_input_queue_btn(NULL, (msg->mousepos.y > 0) ? INPUT_BUTTON_WHEEL_UP
 420                              : INPUT_BUTTON_WHEEL_DOWN, true);
 421         qemu_input_event_sync();
 422         qemu_input_queue_btn(NULL, (msg->mousepos.y > 0) ? INPUT_BUTTON_WHEEL_UP
 423                              : INPUT_BUTTON_WHEEL_DOWN, false);
 424         qemu_input_event_sync();
 425         break;
 426
 427     /* keyboard */
 428     case barrierCmdDKeyDown:
 429         qemu_input_event_send_key_qcode(NULL,
 430                         input_barrier_to_qcode(msg->key.keyid, msg->key.button),
 431                                         true);
 432         break;
 433     case barrierCmdDKeyRepeat:
 434         for (i = 0; i < msg->repeat.repeat; i++) {
 435             qemu_input_event_send_key_qcode(NULL,
 436                   input_barrier_to_qcode(msg->repeat.keyid, msg->repeat.button),
 437                                             false);
 438             qemu_input_event_send_key_qcode(NULL,
 439                   input_barrier_to_qcode(msg->repeat.keyid, msg->repeat.button),
 440                                             true);
 441         }
 442         break;
 443     case barrierCmdDKeyUp:
 444         qemu_input_event_send_key_qcode(NULL,
 445                         input_barrier_to_qcode(msg->key.keyid, msg->key.button),
 446                                         false);
 447         break;
 448     default:
 449         write_cmd(p, barrierCmdEUnknown, avail);
 450         break;
 451     }
 452
 453     len = MAX_HELLO_LENGTH - avail - sizeof(int);
 454     if (len) {
 455         p = ib->buffer;
 456         avail = sizeof(len);
 457         write_int(p, len, avail);
 458         ret = qio_channel_write(QIO_CHANNEL(ib->sioc), ib->buffer,
 459                                 len + sizeof(len), NULL);
 460         if (ret < 0) {
 461             ib->ioc_tag = 0;
 462             return G_SOURCE_REMOVE;
 463         }
 464     }
 465
 466     return G_SOURCE_CONTINUE;
 467 }
 468
 469 static gboolean input_barrier_event(QIOChannel *ioc G_GNUC_UNUSED,
 470                                     GIOCondition condition, void *opaque)
 471 {
 472     InputBarrier *ib = opaque;
 473     int ret;
 474     struct barrierMsg msg;
 475
 476     ret = readcmd(ib, &msg);
 477     if (ret == G_SOURCE_REMOVE) {
 478         ib->ioc_tag = 0;
 479         return G_SOURCE_REMOVE;
 480     }
 481
 482     return writecmd(ib, &msg);
 483 }
 484
 485 static void input_barrier_complete(UserCreatable *uc, Error **errp)
 486 {
 487     InputBarrier *ib = INPUT_BARRIER(uc);
 488     Error *local_err = NULL;
 489
 490     if (!ib->name) {
 491         error_setg(errp, QERR_MISSING_PARAMETER, "name");
 492         return;
 493     }
 494
 495     /*
 496      * Connect to the primary
 497      * Primary is the server where the keyboard and the mouse
 498      * are connected and forwarded to the secondary (the client)
 499      */
 500
 501     ib->sioc = qio_channel_socket_new();
 502     qio_channel_set_name(QIO_CHANNEL(ib->sioc), "barrier-client");
 503
 504     qio_channel_socket_connect_sync(ib->sioc, &ib->saddr, &local_err);
 505     if (local_err) {
 506         error_propagate(errp, local_err);
 507         return;
 508     }
 509
 510     qio_channel_set_delay(QIO_CHANNEL(ib->sioc), false);
 511
 512     ib->ioc_tag = qio_channel_add_watch(QIO_CHANNEL(ib->sioc), G_IO_IN,
 513                                         input_barrier_event, ib, NULL);
 514 }
 515
 516 static void input_barrier_instance_finalize(Object *obj)
 517 {
 518     InputBarrier *ib = INPUT_BARRIER(obj);
 519
 520     if (ib->ioc_tag) {
 521         g_source_remove(ib->ioc_tag);
 522         ib->ioc_tag = 0;
 523     }
 524
 525     if (ib->sioc) {
 526         qio_channel_close(QIO_CHANNEL(ib->sioc), NULL);
 527         object_unref(OBJECT(ib->sioc));
 528     }
 529     g_free(ib->name);
 530     g_free(ib->saddr.u.inet.host);
 531     g_free(ib->saddr.u.inet.port);
 532 }
 533
 534 static char *input_barrier_get_name(Object *obj, Error **errp)
 535 {
 536     InputBarrier *ib = INPUT_BARRIER(obj);
 537
 538     return g_strdup(ib->name);
 539 }
 540
 541 static void input_barrier_set_name(Object *obj, const char *value,
 542                                   Error **errp)
 543 {
 544     InputBarrier *ib = INPUT_BARRIER(obj);
 545
 546     if (ib->name) {
 547         error_setg(errp, "name property already set");
 548         return;
 549     }
 550     ib->name = g_strdup(value);
 551 }
 552
 553 static char *input_barrier_get_server(Object *obj, Error **errp)
 554 {
 555     InputBarrier *ib = INPUT_BARRIER(obj);
 556
 557     return g_strdup(ib->saddr.u.inet.host);
 558 }
 559
 560 static void input_barrier_set_server(Object *obj, const char *value,
 561                                      Error **errp)
 562 {
 563     InputBarrier *ib = INPUT_BARRIER(obj);
 564
 565     g_free(ib->saddr.u.inet.host);
 566     ib->saddr.u.inet.host = g_strdup(value);
 567 }
 568
 569 static char *input_barrier_get_port(Object *obj, Error **errp)
 570 {
 571     InputBarrier *ib = INPUT_BARRIER(obj);
 572
 573     return g_strdup(ib->saddr.u.inet.port);
 574 }
 575
 576 static void input_barrier_set_port(Object *obj, const char *value,
 577                                      Error **errp)
 578 {
 579     InputBarrier *ib = INPUT_BARRIER(obj);
 580
 581     g_free(ib->saddr.u.inet.port);
 582     ib->saddr.u.inet.port = g_strdup(value);
 583 }
 584
 585 static void input_barrier_set_x_origin(Object *obj, const char *value,
 586                                        Error **errp)
 587 {
 588     InputBarrier *ib = INPUT_BARRIER(obj);
 589     int result, err;
 590
 591     err = qemu_strtoi(value, NULL, 0, &result);
 592     if (err < 0 || result < 0 || result > SHRT_MAX) {
 593         error_setg(errp,
 594                    "x-origin property must be in the range [0..%d]", SHRT_MAX);
 595         return;
 596     }
 597     ib->x_origin = result;
 598 }
 599
 600 static char *input_barrier_get_x_origin(Object *obj, Error **errp)
 601 {
 602     InputBarrier *ib = INPUT_BARRIER(obj);
 603
 604     return g_strdup_printf("%d", ib->x_origin);
 605 }
 606
 607 static void input_barrier_set_y_origin(Object *obj, const char *value,
 608                                        Error **errp)
 609 {
 610     InputBarrier *ib = INPUT_BARRIER(obj);
 611     int result, err;
 612
 613     err = qemu_strtoi(value, NULL, 0, &result);
 614     if (err < 0 || result < 0 || result > SHRT_MAX) {
 615         error_setg(errp,
 616                    "y-origin property must be in the range [0..%d]", SHRT_MAX);
 617         return;
 618     }
 619     ib->y_origin = result;
 620 }
 621
 622 static char *input_barrier_get_y_origin(Object *obj, Error **errp)
 623 {
 624     InputBarrier *ib = INPUT_BARRIER(obj);
 625
 626     return g_strdup_printf("%d", ib->y_origin);
 627 }
 628
 629 static void input_barrier_set_width(Object *obj, const char *value,
 630                                        Error **errp)
 631 {
 632     InputBarrier *ib = INPUT_BARRIER(obj);
 633     int result, err;
 634
 635     err = qemu_strtoi(value, NULL, 0, &result);
 636     if (err < 0 || result < 0 || result > SHRT_MAX) {
 637         error_setg(errp,
 638                    "width property must be in the range [0..%d]", SHRT_MAX);
 639         return;
 640     }
 641     ib->width = result;
 642 }
 643
 644 static char *input_barrier_get_width(Object *obj, Error **errp)
 645 {
 646     InputBarrier *ib = INPUT_BARRIER(obj);
 647
 648     return g_strdup_printf("%d", ib->width);
 649 }
 650
 651 static void input_barrier_set_height(Object *obj, const char *value,
 652                                        Error **errp)
 653 {
 654     InputBarrier *ib = INPUT_BARRIER(obj);
 655     int result, err;
 656
 657     err = qemu_strtoi(value, NULL, 0, &result);
 658     if (err < 0 || result < 0 || result > SHRT_MAX) {
 659         error_setg(errp,
 660                    "height property must be in the range [0..%d]", SHRT_MAX);
 661         return;
 662     }
 663     ib->height = result;
 664 }
 665
 666 static char *input_barrier_get_height(Object *obj, Error **errp)
 667 {
 668     InputBarrier *ib = INPUT_BARRIER(obj);
 669
 670     return g_strdup_printf("%d", ib->height);
 671 }
 672
 673 static void input_barrier_instance_init(Object *obj)
 674 {
 675     InputBarrier *ib = INPUT_BARRIER(obj);
 676
 677     /* always use generic keymaps */
 678     if (keyboard_layout && !kbd_layout) {
 679         /* We use X11 key id, so use VNC name2keysym */
 680         kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout,
 681                                           &error_fatal);
 682     }
 683
 684     ib->saddr.type = SOCKET_ADDRESS_TYPE_INET;
 685     ib->saddr.u.inet.host = g_strdup("localhost");
 686     ib->saddr.u.inet.port = g_strdup("24800");
 687
 688     ib->x_origin = 0;
 689     ib->y_origin = 0;
 690     ib->width = 1920;
 691     ib->height = 1080;
 692 }
 693
 694 static void input_barrier_class_init(ObjectClass *oc, void *data)
 695 {
 696     UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
 697
 698     ucc->complete = input_barrier_complete;
 699
 700     object_class_property_add_str(oc, "name",
 701                                   input_barrier_get_name,
 702                                   input_barrier_set_name);
 703     object_class_property_add_str(oc, "server",
 704                                   input_barrier_get_server,
 705                                   input_barrier_set_server);
 706     object_class_property_add_str(oc, "port",
 707                                   input_barrier_get_port,
 708                                   input_barrier_set_port);
 709     object_class_property_add_str(oc, "x-origin",
 710                                   input_barrier_get_x_origin,
 711                                   input_barrier_set_x_origin);
 712     object_class_property_add_str(oc, "y-origin",
 713                                   input_barrier_get_y_origin,
 714                                   input_barrier_set_y_origin);
 715     object_class_property_add_str(oc, "width",
 716                                   input_barrier_get_width,
 717                                   input_barrier_set_width);
 718     object_class_property_add_str(oc, "height",
 719                                   input_barrier_get_height,
 720                                   input_barrier_set_height);
 721 }
 722
 723 static const TypeInfo input_barrier_info = {
 724     .name = TYPE_INPUT_BARRIER,
 725     .parent = TYPE_OBJECT,
 726     .class_init = input_barrier_class_init,
 727     .instance_size = sizeof(InputBarrier),
 728     .instance_init = input_barrier_instance_init,
 729     .instance_finalize = input_barrier_instance_finalize,
 730     .interfaces = (InterfaceInfo[]) {
 731         { TYPE_USER_CREATABLE },
 732         { }
 733     }
 734 };
 735
 736 static void register_types(void)
 737 {
 738     type_register_static(&input_barrier_info);
 739 }
 740
 741 type_init(register_types);