test/interactive-wayland.c

   1 /*
   2  * Copyright © 2012 Collabora, Ltd.
   3  * Copyright © 2013 Ran Benita <ran234@gmail.com>
   4  * Copyright © 2016 Daniel Stone <daniel@fooishbar.org>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #include <errno.h>
  27 #include <fcntl.h>
  28 #include <locale.h>
  29 #include <stdint.h>
  30 #include <unistd.h>
  31 #include <sys/mman.h>
  32
  33 #include "xkbcommon/xkbcommon.h"
  34 #include "test.h"
  35
  36 #include <wayland-client.h>
  37 #include "xdg-shell-unstable-v6-client-protocol.h"
  38 #include <wayland-util.h>
  39
  40 struct interactive_dpy {
  41         struct wl_display *dpy;
  42         struct wl_compositor *compositor;
  43         struct zxdg_shell_v6 *shell;
  44         struct wl_shm *shm;
  45         uint32_t shm_format;
  46
  47         struct xkb_context *ctx;
  48
  49         struct wl_surface *wl_surf;
  50         struct zxdg_surface_v6 *xdg_surf;
  51         struct zxdg_toplevel_v6 *xdg_top;
  52
  53         struct wl_list seats;
  54 };
  55
  56 struct interactive_seat {
  57         struct interactive_dpy *inter;
  58
  59         struct wl_seat *wl_seat;
  60         struct wl_keyboard *wl_kbd;
  61         struct wl_pointer *wl_pointer;
  62         uint32_t version; /* ... of wl_seat */
  63         uint32_t global_name; /* an ID of sorts */
  64         char *name_str; /* a descriptor */
  65
  66         struct xkb_keymap *keymap;
  67         struct xkb_state *state;
  68
  69         struct wl_list link;
  70 };
  71
  72 static bool terminate;
  73
  74 /* The following utility functions are taken from Weston's
  75  * shared/os-compatibility.c. */
  76 static int
  77 os_fd_set_cloexec(int fd)
  78 {
  79         long flags;
  80
  81         if (fd == -1)
  82                 return -1;
  83
  84         flags = fcntl(fd, F_GETFD);
  85         if (flags == -1)
  86                 return -1;
  87
  88         if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) == -1)
  89                 return -1;
  90
  91         return 0;
  92 }
  93
  94 static int
  95 set_cloexec_or_close(int fd)
  96 {
  97         if (os_fd_set_cloexec(fd) != 0) {
  98                 close(fd);
  99                 return -1;
 100         }
 101         return fd;
 102 }
 103
 104 static int
 105 create_tmpfile_cloexec(char *tmpname)
 106 {
 107         int fd;
 108
 109 #ifdef HAVE_MKOSTEMP
 110         fd = mkostemp(tmpname, O_CLOEXEC);
 111         if (fd >= 0)
 112                 unlink(tmpname);
 113 #else
 114         fd = mkstemp(tmpname);
 115         if (fd >= 0) {
 116                 fd = set_cloexec_or_close(fd);
 117                 unlink(tmpname);
 118         }
 119 #endif
 120
 121         return fd;
 122 }
 123
 124 /*
 125  * Create a new, unique, anonymous file of the given size, and
 126  * return the file descriptor for it. The file descriptor is set
 127  * CLOEXEC. The file is immediately suitable for mmap()'ing
 128  * the given size at offset zero.
 129  *
 130  * The file should not have a permanent backing store like a disk,
 131  * but may have if XDG_RUNTIME_DIR is not properly implemented in OS.
 132  *
 133  * The file name is deleted from the file system.
 134  *
 135  * The file is suitable for buffer sharing between processes by
 136  * transmitting the file descriptor over Unix sockets using the
 137  * SCM_RIGHTS methods.
 138  *
 139  * If the C library implements posix_fallocate(), it is used to
 140  * guarantee that disk space is available for the file at the
 141  * given size. If disk space is insufficent, errno is set to ENOSPC.
 142  * If posix_fallocate() is not supported, program may receive
 143  * SIGBUS on accessing mmap()'ed file contents instead.
 144  */
 145 int
 146 os_create_anonymous_file(off_t size)
 147 {
 148         static const char template[] = "/weston-shared-XXXXXX";
 149         const char *path;
 150         char *name;
 151         int fd;
 152         int ret;
 153
 154         path = getenv("XDG_RUNTIME_DIR");
 155         if (!path) {
 156                 errno = ENOENT;
 157                 return -1;
 158         }
 159
 160         name = malloc(strlen(path) + sizeof(template));
 161         if (!name)
 162                 return -1;
 163
 164         strcpy(name, path);
 165         strcat(name, template);
 166
 167         fd = create_tmpfile_cloexec(name);
 168
 169         free(name);
 170
 171         if (fd < 0)
 172                 return -1;
 173
 174 #ifdef HAVE_POSIX_FALLOCATE
 175         ret = posix_fallocate(fd, 0, size);
 176         if (ret != 0) {
 177                 close(fd);
 178                 errno = ret;
 179                 return -1;
 180         }
 181 #else
 182         ret = ftruncate(fd, size);
 183         if (ret < 0) {
 184                 close(fd);
 185                 return -1;
 186         }
 187 #endif
 188
 189         return fd;
 190 }
 191
 192 static void
 193 buffer_release(void *data, struct wl_buffer *buffer)
 194 {
 195         wl_buffer_destroy(buffer);
 196 }
 197
 198 static const struct wl_buffer_listener buffer_listener = {
 199         buffer_release
 200 };
 201
 202 static void
 203 buffer_create(struct interactive_dpy *inter, uint32_t width, uint32_t height)
 204 {
 205         struct wl_shm_pool *pool;
 206         struct wl_buffer *buf;
 207         struct wl_region *opaque;
 208         uint32_t stride;
 209         size_t size;
 210         void *map;
 211         int fd;
 212
 213         switch (inter->shm_format) {
 214         case WL_SHM_FORMAT_ARGB8888:
 215         case WL_SHM_FORMAT_XRGB8888:
 216         case WL_SHM_FORMAT_ABGR8888:
 217         case WL_SHM_FORMAT_XBGR8888:
 218                 stride = width * 4;
 219                 break;
 220         case WL_SHM_FORMAT_RGB565:
 221         case WL_SHM_FORMAT_BGR565:
 222                 stride = width * 2;
 223                 break;
 224         }
 225
 226         size = stride * height;
 227         fd = os_create_anonymous_file(size);
 228         if (fd < 0) {
 229                 fprintf(stderr, "Couldn't create surface buffer\n");
 230                 exit(1);
 231         }
 232
 233         map = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
 234         if (map == MAP_FAILED) {
 235                 fprintf(stderr, "Couldn't mmap surface buffer\n");
 236                 exit(1);
 237         }
 238         memset(map, 0xff, size);
 239         munmap(map, size);
 240
 241         pool = wl_shm_create_pool(inter->shm, fd, size);
 242         buf = wl_shm_pool_create_buffer(pool, 0, width, height, stride,
 243                                         inter->shm_format);
 244         wl_buffer_add_listener(buf, &buffer_listener, inter);
 245
 246         wl_surface_attach(inter->wl_surf, buf, 0, 0);
 247         wl_surface_damage(inter->wl_surf, 0, 0, width, height);
 248
 249         opaque = wl_compositor_create_region(inter->compositor);
 250         wl_region_add(opaque, 0, 0, width, height);
 251         wl_surface_set_opaque_region(inter->wl_surf, opaque);
 252         wl_region_destroy(opaque);
 253
 254         wl_shm_pool_destroy(pool);
 255         close(fd);
 256 }
 257
 258 static void
 259 surface_configure(void *data, struct zxdg_surface_v6 *surface,
 260                   uint32_t serial)
 261 {
 262         struct interactive_dpy *inter = data;
 263
 264         zxdg_surface_v6_ack_configure(inter->xdg_surf, serial);
 265         wl_surface_commit(inter->wl_surf);
 266 }
 267
 268 static const struct zxdg_surface_v6_listener surface_listener = {
 269         surface_configure,
 270 };
 271
 272 static void
 273 toplevel_configure(void *data, struct zxdg_toplevel_v6 *toplevel,
 274                    int32_t width, int32_t height, struct wl_array *states)
 275 {
 276         struct interactive_dpy *inter = data;
 277
 278         if (width == 0)
 279                 width = 200;
 280         if (height == 0)
 281                 height = 200;
 282
 283         buffer_create(inter, width, height);
 284 }
 285
 286 static void
 287 toplevel_close(void *data, struct zxdg_toplevel_v6 *toplevel)
 288 {
 289         terminate = true;
 290 }
 291
 292 static const struct zxdg_toplevel_v6_listener toplevel_listener = {
 293         toplevel_configure,
 294         toplevel_close
 295 };
 296
 297 static void surface_create(struct interactive_dpy *inter)
 298 {
 299         inter->wl_surf = wl_compositor_create_surface(inter->compositor);
 300         inter->xdg_surf = zxdg_shell_v6_get_xdg_surface(inter->shell,
 301                                                         inter->wl_surf);
 302         zxdg_surface_v6_add_listener(inter->xdg_surf, &surface_listener, inter);
 303         inter->xdg_top = zxdg_surface_v6_get_toplevel(inter->xdg_surf);
 304         zxdg_toplevel_v6_add_listener(inter->xdg_top, &toplevel_listener, inter);
 305         zxdg_toplevel_v6_set_title(inter->xdg_top, "xkbcommon event tester");
 306         zxdg_toplevel_v6_set_app_id(inter->xdg_top,
 307                                     "org.xkbcommon.test.interactive-wayland");
 308         wl_surface_commit(inter->wl_surf);
 309 }
 310
 311 static void
 312 shell_ping(void *data, struct zxdg_shell_v6 *shell, uint32_t serial)
 313 {
 314         zxdg_shell_v6_pong(shell, serial);
 315 }
 316
 317 static const struct zxdg_shell_v6_listener shell_listener = {
 318         shell_ping
 319 };
 320
 321 static void
 322 kbd_keymap(void *data, struct wl_keyboard *wl_kbd, uint32_t format,
 323            int fd, uint32_t size)
 324 {
 325         struct interactive_seat *seat = data;
 326         void *buf;
 327
 328         buf = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
 329         if (buf == MAP_FAILED) {
 330                 fprintf(stderr, "Failed to mmap keymap: %d\n", errno);
 331                 close(fd);
 332                 return;
 333         }
 334
 335         seat->keymap = xkb_keymap_new_from_buffer(seat->inter->ctx, buf, size - 1,
 336                                                   XKB_KEYMAP_FORMAT_TEXT_V1, 0);
 337         munmap(buf, size);
 338         close(fd);
 339         if (!seat->keymap) {
 340                 fprintf(stderr, "Failed to compile keymap!\n");
 341                 return;
 342         }
 343
 344         seat->state = xkb_state_new(seat->keymap);
 345         if (!seat->keymap) {
 346                 fprintf(stderr, "Failed to create XKB state!\n");
 347                 return;
 348         }
 349 }
 350
 351 static void
 352 kbd_enter(void *data, struct wl_keyboard *wl_kbd, uint32_t serial,
 353           struct wl_surface *surf, struct wl_array *keys)
 354 {
 355 }
 356
 357 static void
 358 kbd_leave(void *data, struct wl_keyboard *wl_kbd, uint32_t serial,
 359           struct wl_surface *surf)
 360 {
 361 }
 362
 363 static void
 364 kbd_key(void *data, struct wl_keyboard *wl_kbd, uint32_t serial, uint32_t time,
 365         uint32_t key, uint32_t state)
 366 {
 367         struct interactive_seat *seat = data;
 368
 369         if (state != WL_KEYBOARD_KEY_STATE_PRESSED)
 370                 return;
 371
 372         printf("%s: ", seat->name_str);
 373         test_print_keycode_state(seat->state, NULL, key + 8,
 374                                  XKB_CONSUMED_MODE_XKB);
 375
 376         /* Exit on ESC. */
 377         if (xkb_state_key_get_one_sym(seat->state, key + 8) == XKB_KEY_Escape)
 378                 terminate = true;
 379 }
 380
 381 static void
 382 kbd_modifiers(void *data, struct wl_keyboard *wl_kbd, uint32_t serial,
 383               uint32_t mods_depressed, uint32_t mods_latched,
 384               uint32_t mods_locked, uint32_t group)
 385 {
 386         struct interactive_seat *seat = data;
 387
 388         xkb_state_update_mask(seat->state, mods_depressed, mods_latched,
 389                               mods_locked, 0, 0, group);
 390 }
 391
 392 static void
 393 kbd_repeat_info(void *data, struct wl_keyboard *wl_kbd, int32_t rate,
 394                 int32_t delay)
 395 {
 396 }
 397
 398 static const struct wl_keyboard_listener kbd_listener = {
 399         kbd_keymap,
 400         kbd_enter,
 401         kbd_leave,
 402         kbd_key,
 403         kbd_modifiers,
 404         kbd_repeat_info
 405 };
 406
 407 static void
 408 pointer_enter(void *data, struct wl_pointer *wl_pointer, uint32_t serial,
 409               struct wl_surface *surf, wl_fixed_t fsx, wl_fixed_t fsy)
 410 {
 411 }
 412
 413 static void
 414 pointer_leave(void *data, struct wl_pointer *wl_pointer, uint32_t serial,
 415               struct wl_surface *surf)
 416 {
 417 }
 418
 419 static void
 420 pointer_motion(void *data, struct wl_pointer *wl_pointer, uint32_t time,
 421                wl_fixed_t fsx, wl_fixed_t fsy)
 422 {
 423 }
 424
 425 static void
 426 pointer_button(void *data, struct wl_pointer *wl_pointer, uint32_t serial,
 427                uint32_t time, uint32_t button, uint32_t state)
 428 {
 429         struct interactive_seat *seat = data;
 430
 431         zxdg_toplevel_v6_move(seat->inter->xdg_top, seat->wl_seat, serial);
 432 }
 433
 434 static void
 435 pointer_axis(void *data, struct wl_pointer *wl_pointer, uint32_t time,
 436              uint32_t axis, wl_fixed_t value)
 437 {
 438 }
 439
 440 static void
 441 pointer_frame(void *data, struct wl_pointer *wl_pointer)
 442 {
 443 }
 444
 445 static void
 446 pointer_axis_source(void *data, struct wl_pointer *wl_pointer, uint32_t source)
 447 {
 448 }
 449
 450 static void
 451 pointer_axis_stop(void *data, struct wl_pointer *wl_pointer, uint32_t time,
 452                   uint32_t axis)
 453 {
 454 }
 455
 456 static void
 457 pointer_axis_discrete(void *data, struct wl_pointer *wl_pointer, uint32_t time,
 458                       int32_t discrete)
 459 {
 460 }
 461
 462 static const struct wl_pointer_listener pointer_listener = {
 463         pointer_enter,
 464         pointer_leave,
 465         pointer_motion,
 466         pointer_button,
 467         pointer_axis,
 468         pointer_frame,
 469         pointer_axis_source,
 470         pointer_axis_stop,
 471         pointer_axis_discrete
 472 };
 473
 474 static void
 475 seat_capabilities(void *data, struct wl_seat *wl_seat, uint32_t caps)
 476 {
 477         struct interactive_seat *seat = data;
 478
 479         if (!seat->wl_kbd && (caps & WL_SEAT_CAPABILITY_KEYBOARD)) {
 480                 seat->wl_kbd = wl_seat_get_keyboard(seat->wl_seat);
 481                 wl_keyboard_add_listener(seat->wl_kbd, &kbd_listener, seat);
 482         }
 483         else if (seat->wl_kbd && !(caps & WL_SEAT_CAPABILITY_KEYBOARD)) {
 484                 if (seat->version >= WL_SEAT_RELEASE_SINCE_VERSION)
 485                         wl_keyboard_release(seat->wl_kbd);
 486                 else
 487                         wl_keyboard_destroy(seat->wl_kbd);
 488
 489                 xkb_state_unref(seat->state);
 490                 xkb_keymap_unref(seat->keymap);
 491
 492                 seat->state = NULL;
 493                 seat->keymap = NULL;
 494                 seat->wl_kbd = NULL;
 495         }
 496
 497         if (!seat->wl_pointer && (caps & WL_SEAT_CAPABILITY_POINTER)) {
 498                 seat->wl_pointer = wl_seat_get_pointer(seat->wl_seat);
 499                 wl_pointer_add_listener(seat->wl_pointer, &pointer_listener,
 500                                         seat);
 501         }
 502         else if (seat->wl_pointer && !(caps & WL_SEAT_CAPABILITY_POINTER)) {
 503                 if (seat->version >= WL_SEAT_RELEASE_SINCE_VERSION)
 504                         wl_pointer_release(seat->wl_pointer);
 505                 else
 506                         wl_pointer_destroy(seat->wl_pointer);
 507                 seat->wl_pointer = NULL;
 508         }
 509 }
 510
 511 static void
 512 seat_name(void *data, struct wl_seat *wl_seat, const char *name)
 513 {
 514         struct interactive_seat *seat = data;
 515
 516         free(seat->name_str);
 517         seat->name_str = strdup(name);
 518 }
 519
 520 static const struct wl_seat_listener seat_listener = {
 521         seat_capabilities,
 522         seat_name
 523 };
 524
 525 static void
 526 seat_create(struct interactive_dpy *inter, struct wl_registry *registry,
 527             uint32_t name, uint32_t version)
 528 {
 529         int ret;
 530         struct interactive_seat *seat = calloc(1, sizeof(*seat));
 531
 532         seat->global_name = name;
 533         seat->inter = inter;
 534         seat->wl_seat = wl_registry_bind(registry, name, &wl_seat_interface,
 535                                          MAX(version, 5));
 536         wl_seat_add_listener(seat->wl_seat, &seat_listener, seat);
 537         ret = asprintf(&seat->name_str, "seat:%d",
 538                        wl_proxy_get_id((struct wl_proxy *) seat->wl_seat));
 539         assert(ret >= 0);
 540         wl_list_insert(&inter->seats, &seat->link);
 541 }
 542
 543 static void
 544 seat_destroy(struct interactive_seat *seat)
 545 {
 546         if (seat->wl_kbd) {
 547                 if (seat->version >= WL_SEAT_RELEASE_SINCE_VERSION)
 548                         wl_keyboard_release(seat->wl_kbd);
 549                 else
 550                         wl_keyboard_destroy(seat->wl_kbd);
 551
 552                 xkb_state_unref(seat->state);
 553                 xkb_keymap_unref(seat->keymap);
 554         }
 555
 556         if (seat->wl_pointer) {
 557                 if (seat->version >= WL_SEAT_RELEASE_SINCE_VERSION)
 558                         wl_pointer_release(seat->wl_pointer);
 559                 else
 560                         wl_pointer_destroy(seat->wl_pointer);
 561         }
 562
 563         if (seat->version >= WL_SEAT_RELEASE_SINCE_VERSION)
 564                 wl_seat_release(seat->wl_seat);
 565         else
 566                 wl_seat_destroy(seat->wl_seat);
 567
 568         free(seat->name_str);
 569         wl_list_remove(&seat->link);
 570         free(seat);
 571 }
 572
 573 static void
 574 registry_global(void *data, struct wl_registry *registry, uint32_t name,
 575                 const char *interface, uint32_t version)
 576 {
 577         struct interactive_dpy *inter = data;
 578
 579         if (strcmp(interface, "wl_seat") == 0) {
 580                 seat_create(inter, registry, name, version);
 581         }
 582         else if (strcmp(interface, "zxdg_shell_v6") == 0) {
 583                 inter->shell = wl_registry_bind(registry, name,
 584                                                 &zxdg_shell_v6_interface,
 585                                                 MAX(version, 1));
 586                 zxdg_shell_v6_add_listener(inter->shell, &shell_listener, inter);
 587         }
 588         else if (strcmp(interface, "wl_compositor") == 0) {
 589                 inter->compositor = wl_registry_bind(registry, name,
 590                                                      &wl_compositor_interface,
 591                                                      MAX(version, 1));
 592         }
 593         else if (strcmp(interface, "wl_shm") == 0) {
 594                 inter->shm = wl_registry_bind(registry, name, &wl_shm_interface,
 595                                               MAX(version, 1));
 596         }
 597 }
 598
 599 static void
 600 registry_delete(void *data, struct wl_registry *registry, uint32_t name)
 601 {
 602         struct interactive_dpy *inter = data;
 603         struct interactive_seat *seat, *tmp;
 604
 605         wl_list_for_each_safe(seat, tmp, &inter->seats, link) {
 606                 if (seat->global_name != name)
 607                         continue;
 608
 609                 seat_destroy(seat);
 610         }
 611 }
 612
 613 static const struct wl_registry_listener registry_listener = {
 614         registry_global,
 615         registry_delete
 616 };
 617
 618 static void
 619 dpy_disconnect(struct interactive_dpy *inter)
 620 {
 621         struct interactive_seat *seat, *tmp;
 622
 623         wl_list_for_each_safe(seat, tmp, &inter->seats, link)
 624                 seat_destroy(seat);
 625
 626         if (inter->xdg_surf)
 627                 zxdg_surface_v6_destroy(inter->xdg_surf);
 628         if (inter->xdg_top)
 629                 zxdg_toplevel_v6_destroy(inter->xdg_top);
 630         if (inter->wl_surf)
 631                 wl_surface_destroy(inter->wl_surf);
 632         if (inter->shell)
 633                 zxdg_shell_v6_destroy(inter->shell);
 634         if (inter->compositor)
 635                 wl_compositor_destroy(inter->compositor);
 636         if (inter->shm)
 637                 wl_shm_destroy(inter->shm);
 638
 639         /* Do one last roundtrip to try to destroy our wl_buffer. */
 640         wl_display_roundtrip(inter->dpy);
 641
 642         xkb_context_unref(inter->ctx);
 643         wl_display_disconnect(inter->dpy);
 644 }
 645
 646 int
 647 main(int argc, char *argv[])
 648 {
 649         int ret;
 650         struct interactive_dpy inter;
 651         struct wl_registry *registry;
 652
 653         setlocale(LC_ALL, "");
 654
 655         memset(&inter, 0, sizeof(inter));
 656         wl_list_init(&inter.seats);
 657
 658         inter.dpy = wl_display_connect(NULL);
 659         if (!inter.dpy) {
 660                 fprintf(stderr, "Couldn't connect to Wayland server\n");
 661                 ret = -1;
 662                 goto err_out;
 663         }
 664
 665         inter.ctx = test_get_context(0);
 666         if (!inter.ctx) {
 667                 ret = -1;
 668                 fprintf(stderr, "Couldn't create xkb context\n");
 669                 goto err_out;
 670         }
 671
 672         registry = wl_display_get_registry(inter.dpy);
 673         wl_registry_add_listener(registry, &registry_listener, &inter);
 674
 675         /* The first roundtrip gets the list of advertised globals. */
 676         wl_display_roundtrip(inter.dpy);
 677
 678         /* The second roundtrip dispatches the events sent after binding, e.g.
 679          * after binding to wl_seat globals in the first roundtrip, we will get
 680          * the wl_seat::capabilities event in this roundtrip. */
 681         wl_display_roundtrip(inter.dpy);
 682
 683         if (!inter.shell || !inter.shm || !inter.compositor) {
 684                 fprintf(stderr, "Required Wayland interfaces %s%s%s unsupported\n",
 685                         (inter.shell) ? "" : "xdg_shell ",
 686                         (inter.shm) ? "" : "wl_shm",
 687                         (inter.compositor) ? "" : "wl_compositor");
 688                 goto err_conn;
 689         }
 690
 691         surface_create(&inter);
 692
 693         test_disable_stdin_echo();
 694         do {
 695                 ret = wl_display_dispatch(inter.dpy);
 696         } while (ret >= 0 && !terminate);
 697         test_enable_stdin_echo();
 698
 699         wl_registry_destroy(registry);
 700 err_conn:
 701         dpy_disconnect(&inter);
 702 err_out:
 703         exit(ret >= 0 ? EXIT_SUCCESS : EXIT_FAILURE);
 704 }