Pileus Git - ~andy/gtk/blob - gdk/wayland/gdkdisplay-wayland.c

   1 /*
   2  * Copyright © 2010 Intel Corporation
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "config.h"
  19
  20 #ifdef GDK_WAYLAND_USE_EGL
  21 #include <wayland-egl.h>
  22 #endif
  23
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <errno.h>
  27 #include <unistd.h>
  28 #include <fcntl.h>
  29
  30 #include <glib.h>
  31 #include "gdkwayland.h"
  32 #include "gdkdisplay.h"
  33 #include "gdkdisplay-wayland.h"
  34 #include "gdkscreen.h"
  35 #include "gdkinternals.h"
  36 #include "gdkdeviceprivate.h"
  37 #include "gdkdevicemanager.h"
  38 #include "gdkkeysprivate.h"
  39 #include "gdkprivate-wayland.h"
  40
  41 static void _gdk_wayland_display_load_cursor_theme (GdkWaylandDisplay *wayland_display);
  42
  43 G_DEFINE_TYPE (GdkWaylandDisplay, _gdk_wayland_display, GDK_TYPE_DISPLAY)
  44
  45 static void
  46 gdk_input_init (GdkDisplay *display)
  47 {
  48   GdkWaylandDisplay *display_wayland;
  49   GdkDeviceManager *device_manager;
  50   GdkDevice *device;
  51   GList *list, *l;
  52
  53   display_wayland = GDK_WAYLAND_DISPLAY (display);
  54   device_manager = gdk_display_get_device_manager (display);
  55
  56   /* For backwards compatibility, just add
  57    * floating devices that are not keyboards.
  58    */
  59   list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_FLOATING);
  60
  61   for (l = list; l; l = l->next)
  62     {
  63       device = l->data;
  64
  65       if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
  66         continue;
  67
  68       display_wayland->input_devices = g_list_prepend (display_wayland->input_devices, l->data);
  69     }
  70
  71   g_list_free (list);
  72
  73   /* Now set "core" pointer to the first
  74    * master device that is a pointer.
  75    */
  76   list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER);
  77
  78   for (l = list; l; l = l->next)
  79     {
  80       device = list->data;
  81
  82       if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
  83         continue;
  84
  85       display->core_pointer = device;
  86       break;
  87     }
  88
  89   /* Add the core pointer to the devices list */
  90   display_wayland->input_devices = g_list_prepend (display_wayland->input_devices, display->core_pointer);
  91
  92   g_list_free (list);
  93 }
  94
  95 static void
  96 output_handle_geometry(void *data,
  97                        struct wl_output *wl_output,
  98                        int x, int y, int physical_width, int physical_height,
  99                        int subpixel, const char *make, const char *model)
 100 {
 101   /*
 102     g_signal_emit_by_name (screen, "monitors-changed");
 103     g_signal_emit_by_name (screen, "size-changed");
 104   */
 105 }
 106 static void
 107 display_handle_mode(void *data,
 108                    struct wl_output *wl_output,
 109                    uint32_t flags,
 110                    int width,
 111                    int height,
 112                    int refresh)
 113 {
 114 }
 115
 116 static const struct wl_output_listener output_listener = {
 117         output_handle_geometry,
 118         display_handle_mode
 119 };
 120
 121 static void
 122 gdk_display_handle_global(struct wl_display *display, uint32_t id,
 123                           const char *interface, uint32_t version, void *data)
 124 {
 125   GdkWaylandDisplay *display_wayland = data;
 126   GdkDisplay *gdk_display = GDK_DISPLAY_OBJECT (data);
 127   struct wl_seat *seat;
 128
 129   if (strcmp(interface, "wl_compositor") == 0) {
 130     display_wayland->compositor =
 131       wl_display_bind(display, id, &wl_compositor_interface);
 132   } else if (strcmp(interface, "wl_shm") == 0) {
 133     display_wayland->shm = wl_display_bind(display, id, &wl_shm_interface);
 134
 135     /* SHM interface is prerequisite */
 136     _gdk_wayland_display_load_cursor_theme(display_wayland);
 137   } else if (strcmp(interface, "wl_shell") == 0) {
 138     display_wayland->shell = wl_display_bind(display, id, &wl_shell_interface);
 139   } else if (strcmp(interface, "wl_output") == 0) {
 140     display_wayland->output =
 141       wl_display_bind(display, id, &wl_output_interface);
 142     wl_output_add_listener(display_wayland->output,
 143                            &output_listener, display_wayland);
 144   } else if (strcmp(interface, "wl_seat") == 0) {
 145     seat = wl_display_bind (display, id, &wl_seat_interface);
 146     _gdk_wayland_device_manager_add_device (gdk_display->device_manager,
 147                                             seat);
 148   } else if (strcmp(interface, "wl_data_device_manager") == 0) {
 149       display_wayland->data_device_manager =
 150         wl_display_bind(display, id,
 151                         &wl_data_device_manager_interface);
 152   }
 153 }
 154
 155 #ifdef GDK_WAYLAND_USE_EGL
 156 static gboolean
 157 gdk_display_init_egl(GdkDisplay *display)
 158 {
 159   GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);
 160   EGLint major, minor, i;
 161   void *p;
 162
 163   static const struct { const char *f; unsigned int offset; }
 164   extension_functions[] = {
 165     { "glEGLImageTargetTexture2DOES", offsetof(GdkWaylandDisplay, image_target_texture_2d) },
 166     { "eglCreateImageKHR", offsetof(GdkWaylandDisplay, create_image) },
 167     { "eglDestroyImageKHR", offsetof(GdkWaylandDisplay, destroy_image) }
 168   };
 169
 170   display_wayland->egl_display =
 171     eglGetDisplay(display_wayland->wl_display);
 172   if (!eglInitialize(display_wayland->egl_display, &major, &minor)) {
 173     fprintf(stderr, "failed to initialize display\n");
 174     return FALSE;
 175   }
 176
 177   eglBindAPI(EGL_OPENGL_API);
 178
 179   display_wayland->egl_context =
 180     eglCreateContext(display_wayland->egl_display, NULL, EGL_NO_CONTEXT, NULL);
 181   if (display_wayland->egl_context == NULL) {
 182     fprintf(stderr, "failed to create context\n");
 183     return FALSE;
 184   }
 185
 186   if (!eglMakeCurrent(display_wayland->egl_display,
 187                       NULL, NULL, display_wayland->egl_context)) {
 188     fprintf(stderr, "faile to make context current\n");
 189     return FALSE;
 190   }
 191
 192   display_wayland->cairo_device =
 193     cairo_egl_device_create(display_wayland->egl_display,
 194                             display_wayland->egl_context);
 195   if (cairo_device_status (display_wayland->cairo_device) != CAIRO_STATUS_SUCCESS) {
 196     fprintf(stderr, "failed to get cairo drm device\n");
 197     return FALSE;
 198   }
 199
 200   for (i = 0; i < G_N_ELEMENTS(extension_functions); i++) {
 201     p = eglGetProcAddress(extension_functions[i].f);
 202     *(void **) ((char *) display_wayland + extension_functions[i].offset) = p;
 203     if (p == NULL) {
 204       fprintf(stderr, "failed to look up %s\n", extension_functions[i].f);
 205       return FALSE;
 206     }
 207   }
 208
 209   return TRUE;
 210 }
 211 #endif
 212
 213 GdkDisplay *
 214 _gdk_wayland_display_open (const gchar *display_name)
 215 {
 216   struct wl_display *wl_display;
 217   GdkDisplay *display;
 218   GdkWaylandDisplay *display_wayland;
 219
 220   wl_display = wl_display_connect(display_name);
 221   if (!wl_display)
 222     return NULL;
 223
 224   display = g_object_new (GDK_TYPE_WAYLAND_DISPLAY, NULL);
 225   display_wayland = GDK_WAYLAND_DISPLAY (display);
 226
 227   display_wayland->wl_display = wl_display;
 228
 229   display_wayland->screen = _gdk_wayland_screen_new (display);
 230
 231   display->device_manager = _gdk_wayland_device_manager_new (display);
 232
 233   /* Set up listener so we'll catch all events. */
 234   wl_display_add_global_listener(display_wayland->wl_display,
 235                                  gdk_display_handle_global, display_wayland);
 236
 237 #ifdef GDK_WAYLAND_USE_EGL
 238   gdk_display_init_egl(display);
 239 #else
 240   wl_display_iterate(wl_display, WL_DISPLAY_READABLE);
 241   wl_display_roundtrip(wl_display);
 242 #endif
 243
 244   display_wayland->event_source =
 245     _gdk_wayland_display_event_source_new (display);
 246
 247   gdk_input_init (display);
 248
 249   g_signal_emit_by_name (display, "opened");
 250   g_signal_emit_by_name (gdk_display_manager_get(), "display_opened", display);
 251
 252   return display;
 253 }
 254
 255 static void
 256 gdk_wayland_display_dispose (GObject *object)
 257 {
 258   GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (object);
 259
 260   _gdk_wayland_display_manager_remove_display (gdk_display_manager_get (),
 261                                                GDK_DISPLAY (display_wayland));
 262   g_list_foreach (display_wayland->input_devices,
 263                   (GFunc) g_object_run_dispose, NULL);
 264
 265   _gdk_screen_close (display_wayland->screen);
 266
 267   if (display_wayland->event_source)
 268     {
 269       g_source_destroy (display_wayland->event_source);
 270       g_source_unref (display_wayland->event_source);
 271       display_wayland->event_source = NULL;
 272     }
 273
 274 #ifdef GDK_WAYLAND_USE_EGL
 275   eglTerminate(display_wayland->egl_display);
 276 #endif
 277
 278   G_OBJECT_CLASS (_gdk_wayland_display_parent_class)->dispose (object);
 279 }
 280
 281 static void
 282 gdk_wayland_display_finalize (GObject *object)
 283 {
 284   GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (object);
 285
 286   /* Keymap */
 287   if (display_wayland->keymap)
 288     g_object_unref (display_wayland->keymap);
 289
 290   /* input GdkDevice list */
 291   g_list_free_full (display_wayland->input_devices, g_object_unref);
 292
 293   g_object_unref (display_wayland->screen);
 294
 295   g_free (display_wayland->startup_notification_id);
 296
 297   G_OBJECT_CLASS (_gdk_wayland_display_parent_class)->finalize (object);
 298 }
 299
 300 static const gchar *
 301 gdk_wayland_display_get_name (GdkDisplay *display)
 302 {
 303   return "Wayland";
 304 }
 305
 306 static gint
 307 gdk_wayland_display_get_n_screens (GdkDisplay *display)
 308 {
 309   return 1;
 310 }
 311
 312 static GdkScreen *
 313 gdk_wayland_display_get_screen (GdkDisplay *display,
 314                                 gint        screen_num)
 315 {
 316   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
 317   g_return_val_if_fail (screen_num == 0, NULL);
 318
 319   return GDK_WAYLAND_DISPLAY (display)->screen;
 320 }
 321
 322 static GdkScreen *
 323 gdk_wayland_display_get_default_screen (GdkDisplay *display)
 324 {
 325   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
 326
 327   return GDK_WAYLAND_DISPLAY (display)->screen;
 328 }
 329
 330 static void
 331 gdk_wayland_display_beep (GdkDisplay *display)
 332 {
 333   g_return_if_fail (GDK_IS_DISPLAY (display));
 334 }
 335
 336 static void
 337 gdk_wayland_display_sync (GdkDisplay *display)
 338 {
 339   GdkWaylandDisplay *display_wayland;
 340
 341   g_return_if_fail (GDK_IS_DISPLAY (display));
 342
 343   display_wayland = GDK_WAYLAND_DISPLAY (display);
 344
 345   wl_display_roundtrip(display_wayland->wl_display);
 346 }
 347
 348 static void
 349 gdk_wayland_display_flush (GdkDisplay *display)
 350 {
 351   g_return_if_fail (GDK_IS_DISPLAY (display));
 352
 353   if (!display->closed)
 354     _gdk_wayland_display_flush (display,
 355                                 GDK_WAYLAND_DISPLAY (display)->event_source);
 356 }
 357
 358 static gboolean
 359 gdk_wayland_display_has_pending (GdkDisplay *display)
 360 {
 361   return FALSE;
 362 }
 363
 364 static GdkWindow *
 365 gdk_wayland_display_get_default_group (GdkDisplay *display)
 366 {
 367   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
 368
 369   return NULL;
 370 }
 371
 372
 373 static gboolean
 374 gdk_wayland_display_supports_selection_notification (GdkDisplay *display)
 375 {
 376   return TRUE;
 377 }
 378
 379 static gboolean
 380 gdk_wayland_display_request_selection_notification (GdkDisplay *display,
 381                                                     GdkAtom     selection)
 382
 383 {
 384     return FALSE;
 385 }
 386
 387 static gboolean
 388 gdk_wayland_display_supports_clipboard_persistence (GdkDisplay *display)
 389 {
 390   return FALSE;
 391 }
 392
 393 static void
 394 gdk_wayland_display_store_clipboard (GdkDisplay    *display,
 395                                      GdkWindow     *clipboard_window,
 396                                      guint32        time_,
 397                                      const GdkAtom *targets,
 398                                      gint           n_targets)
 399 {
 400 }
 401
 402 static gboolean
 403 gdk_wayland_display_supports_shapes (GdkDisplay *display)
 404 {
 405   return TRUE;
 406 }
 407
 408 static gboolean
 409 gdk_wayland_display_supports_input_shapes (GdkDisplay *display)
 410 {
 411   return TRUE;
 412 }
 413
 414 static gboolean
 415 gdk_wayland_display_supports_composite (GdkDisplay *display)
 416 {
 417   return TRUE;
 418 }
 419
 420 static GList *
 421 gdk_wayland_display_list_devices (GdkDisplay *display)
 422 {
 423   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
 424
 425   return GDK_WAYLAND_DISPLAY (display)->input_devices;
 426 }
 427
 428 static void
 429 gdk_wayland_display_before_process_all_updates (GdkDisplay *display)
 430 {
 431 }
 432
 433 static void
 434 gdk_wayland_display_after_process_all_updates (GdkDisplay *display)
 435 {
 436   /* Post the damage here instead? */
 437 }
 438
 439 static gulong
 440 gdk_wayland_display_get_next_serial (GdkDisplay *display)
 441 {
 442   static gulong serial = 0;
 443   return ++serial;
 444 }
 445
 446 void
 447 _gdk_wayland_display_make_default (GdkDisplay *display)
 448 {
 449 }
 450
 451 /**
 452  * gdk_wayland_display_broadcast_startup_message:
 453  * @display: a #GdkDisplay
 454  * @message_type: startup notification message type ("new", "change",
 455  * or "remove")
 456  * @...: a list of key/value pairs (as strings), terminated by a
 457  * %NULL key. (A %NULL value for a key will cause that key to be
 458  * skipped in the output.)
 459  *
 460  * Sends a startup notification message of type @message_type to
 461  * @display.
 462  *
 463  * This is a convenience function for use by code that implements the
 464  * freedesktop startup notification specification. Applications should
 465  * not normally need to call it directly. See the <ulink
 466  * url="http://standards.freedesktop.org/startup-notification-spec/startup-notification-latest.txt">Startup
 467  * Notification Protocol specification</ulink> for
 468  * definitions of the message types and keys that can be used.
 469  *
 470  * Since: 2.12
 471  **/
 472 void
 473 gdk_wayland_display_broadcast_startup_message (GdkDisplay *display,
 474                                                const char *message_type,
 475                                                ...)
 476 {
 477   GString *message;
 478   va_list ap;
 479   const char *key, *value, *p;
 480
 481   message = g_string_new (message_type);
 482   g_string_append_c (message, ':');
 483
 484   va_start (ap, message_type);
 485   while ((key = va_arg (ap, const char *)))
 486     {
 487       value = va_arg (ap, const char *);
 488       if (!value)
 489         continue;
 490
 491       g_string_append_printf (message, " %s=\"", key);
 492       for (p = value; *p; p++)
 493         {
 494           switch (*p)
 495             {
 496             case ' ':
 497             case '"':
 498             case '\\':
 499               g_string_append_c (message, '\\');
 500               break;
 501             }
 502
 503           g_string_append_c (message, *p);
 504         }
 505       g_string_append_c (message, '\"');
 506     }
 507   va_end (ap);
 508
 509   printf ("startup message: %s\n", message->str);
 510
 511   g_string_free (message, TRUE);
 512 }
 513
 514 static void
 515 gdk_wayland_display_notify_startup_complete (GdkDisplay  *display,
 516                                              const gchar *startup_id)
 517 {
 518   gdk_wayland_display_broadcast_startup_message (display, "remove",
 519                                                  "ID", startup_id,
 520                                                  NULL);
 521 }
 522
 523 static void
 524 gdk_wayland_display_event_data_copy (GdkDisplay     *display,
 525                                      const GdkEvent *src,
 526                                      GdkEvent       *dst)
 527 {
 528 }
 529
 530 static void
 531 gdk_wayland_display_event_data_free (GdkDisplay *display,
 532                                      GdkEvent   *event)
 533 {
 534 }
 535
 536 static GdkKeymap *
 537 gdk_wayland_display_get_keymap (GdkDisplay *display)
 538 {
 539   GdkWaylandDisplay *display_wayland;
 540
 541   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
 542   display_wayland = GDK_WAYLAND_DISPLAY (display);
 543
 544   if (!display_wayland->keymap)
 545     display_wayland->keymap = _gdk_wayland_keymap_new (display);
 546
 547   return display_wayland->keymap;
 548 }
 549
 550 static void
 551 gdk_wayland_display_push_error_trap (GdkDisplay *display)
 552 {
 553 }
 554
 555 static gint
 556 gdk_wayland_display_pop_error_trap (GdkDisplay *display,
 557                                     gboolean    ignored)
 558 {
 559   return 0;
 560 }
 561
 562 static void
 563 _gdk_wayland_display_class_init (GdkWaylandDisplayClass * class)
 564 {
 565   GObjectClass *object_class = G_OBJECT_CLASS (class);
 566   GdkDisplayClass *display_class = GDK_DISPLAY_CLASS (class);
 567
 568   object_class->dispose = gdk_wayland_display_dispose;
 569   object_class->finalize = gdk_wayland_display_finalize;
 570
 571   display_class->window_type = _gdk_wayland_window_get_type ();
 572   display_class->get_name = gdk_wayland_display_get_name;
 573   display_class->get_n_screens = gdk_wayland_display_get_n_screens;
 574   display_class->get_screen = gdk_wayland_display_get_screen;
 575   display_class->get_default_screen = gdk_wayland_display_get_default_screen;
 576   display_class->beep = gdk_wayland_display_beep;
 577   display_class->sync = gdk_wayland_display_sync;
 578   display_class->flush = gdk_wayland_display_flush;
 579   display_class->has_pending = gdk_wayland_display_has_pending;
 580   display_class->queue_events = _gdk_wayland_display_queue_events;
 581   display_class->get_default_group = gdk_wayland_display_get_default_group;
 582   display_class->supports_selection_notification = gdk_wayland_display_supports_selection_notification;
 583   display_class->request_selection_notification = gdk_wayland_display_request_selection_notification;
 584   display_class->supports_clipboard_persistence = gdk_wayland_display_supports_clipboard_persistence;
 585   display_class->store_clipboard = gdk_wayland_display_store_clipboard;
 586   display_class->supports_shapes = gdk_wayland_display_supports_shapes;
 587   display_class->supports_input_shapes = gdk_wayland_display_supports_input_shapes;
 588   display_class->supports_composite = gdk_wayland_display_supports_composite;
 589   display_class->list_devices = gdk_wayland_display_list_devices;
 590   display_class->get_app_launch_context = _gdk_wayland_display_get_app_launch_context;
 591   display_class->get_default_cursor_size = _gdk_wayland_display_get_default_cursor_size;
 592   display_class->get_maximal_cursor_size = _gdk_wayland_display_get_maximal_cursor_size;
 593   display_class->get_cursor_for_type = _gdk_wayland_display_get_cursor_for_type;
 594   display_class->get_cursor_for_name = _gdk_wayland_display_get_cursor_for_name;
 595   display_class->get_cursor_for_pixbuf = _gdk_wayland_display_get_cursor_for_pixbuf;
 596   display_class->supports_cursor_alpha = _gdk_wayland_display_supports_cursor_alpha;
 597   display_class->supports_cursor_color = _gdk_wayland_display_supports_cursor_color;
 598   display_class->before_process_all_updates = gdk_wayland_display_before_process_all_updates;
 599   display_class->after_process_all_updates = gdk_wayland_display_after_process_all_updates;
 600   display_class->get_next_serial = gdk_wayland_display_get_next_serial;
 601   display_class->notify_startup_complete = gdk_wayland_display_notify_startup_complete;
 602   display_class->event_data_copy = gdk_wayland_display_event_data_copy;
 603   display_class->event_data_free = gdk_wayland_display_event_data_free;
 604   display_class->create_window_impl = _gdk_wayland_display_create_window_impl;
 605   display_class->get_keymap = gdk_wayland_display_get_keymap;
 606   display_class->push_error_trap = gdk_wayland_display_push_error_trap;
 607   display_class->pop_error_trap = gdk_wayland_display_pop_error_trap;
 608   display_class->get_selection_owner = _gdk_wayland_display_get_selection_owner;
 609   display_class->set_selection_owner = _gdk_wayland_display_set_selection_owner;
 610   display_class->send_selection_notify = _gdk_wayland_display_send_selection_notify;
 611   display_class->get_selection_property = _gdk_wayland_display_get_selection_property;
 612   display_class->convert_selection = _gdk_wayland_display_convert_selection;
 613   display_class->text_property_to_utf8_list = _gdk_wayland_display_text_property_to_utf8_list;
 614   display_class->utf8_to_string_target = _gdk_wayland_display_utf8_to_string_target;
 615 }
 616
 617 static void
 618 _gdk_wayland_display_init (GdkWaylandDisplay *display)
 619 {
 620   _gdk_wayland_display_manager_add_display (gdk_display_manager_get (),
 621                                             GDK_DISPLAY (display));
 622 }
 623
 624 static void
 625 _gdk_wayland_display_load_cursor_theme (GdkWaylandDisplay *wayland_display)
 626 {
 627   guint w, h;
 628   gchar *theme_name = NULL; /* FIXME: Do something here */
 629
 630   g_assert (wayland_display);
 631   g_assert (wayland_display->shm);
 632
 633   _gdk_wayland_display_get_default_cursor_size (GDK_DISPLAY (wayland_display),
 634                                                 &w, &h);
 635
 636   wayland_display->cursor_theme = wl_cursor_theme_load (theme_name,
 637                                                         w,
 638                                                         wayland_display->shm);
 639 }
 640
 641 guint32
 642 _gdk_wayland_display_get_serial (GdkWaylandDisplay *wayland_display)
 643 {
 644   return wayland_display->serial;
 645 }
 646
 647 void
 648 _gdk_wayland_display_update_serial (GdkWaylandDisplay *wayland_display,
 649                                     guint32            serial)
 650 {
 651   if (serial > wayland_display->serial)
 652     wayland_display->serial = serial;
 653 }