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

   1 /* GDK - The GIMP Drawing Kit
   2  * gdkdisplay-broadway.c
   3  *
   4  * Copyright 2001 Sun Microsystems Inc.
   5  * Copyright (C) 2004 Nokia Corporation
   6  *
   7  * Erwann Chenede <erwann.chenede@sun.com>
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Library General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Library General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Library General Public
  20  * License along with this library; if not, write to the
  21  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  22  * Boston, MA 02111-1307, USA.
  23  */
  24
  25 #include "config.h"
  26
  27 #include "gdkdisplay-broadway.h"
  28
  29 #include "gdkdisplay.h"
  30 #include "gdkeventsource.h"
  31 #include "gdkscreen.h"
  32 #include "gdkscreen-broadway.h"
  33 #include "gdkinternals.h"
  34 #include "gdkdeviceprivate.h"
  35 #include "gdkdevicemanager-broadway.h"
  36
  37 #include <glib.h>
  38 #include <glib/gprintf.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <errno.h>
  42 #include <unistd.h>
  43
  44 static void   gdk_broadway_display_dispose            (GObject            *object);
  45 static void   gdk_broadway_display_finalize           (GObject            *object);
  46
  47 G_DEFINE_TYPE (GdkBroadwayDisplay, gdk_broadway_display, GDK_TYPE_DISPLAY)
  48
  49 static void
  50 gdk_broadway_display_init (GdkBroadwayDisplay *display)
  51 {
  52   _gdk_broadway_display_manager_add_display (gdk_display_manager_get (),
  53                                              GDK_DISPLAY_OBJECT (display));
  54   display->id_ht = g_hash_table_new (NULL, NULL);
  55 }
  56
  57 static void
  58 gdk_event_init (GdkDisplay *display)
  59 {
  60   GdkBroadwayDisplay *broadway_display;
  61
  62   broadway_display = GDK_BROADWAY_DISPLAY (display);
  63   broadway_display->event_source = _gdk_broadway_event_source_new (display);
  64   broadway_display->saved_serial = 1;
  65 }
  66
  67 static void
  68 gdk_broadway_display_init_input (GdkDisplay *display)
  69 {
  70   GdkBroadwayDisplay *broadway_display;
  71   GdkDeviceManager *device_manager;
  72   GdkDevice *device;
  73   GList *list, *l;
  74
  75   broadway_display = GDK_BROADWAY_DISPLAY (display);
  76   device_manager = gdk_display_get_device_manager (display);
  77
  78   /* For backwards compatibility, just add
  79    * floating devices that are not keyboards.
  80    */
  81   list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_FLOATING);
  82
  83   for (l = list; l; l = l->next)
  84     {
  85       device = l->data;
  86
  87       if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
  88         continue;
  89
  90       broadway_display->input_devices = g_list_prepend (broadway_display->input_devices,
  91                                                    g_object_ref (l->data));
  92     }
  93
  94   g_list_free (list);
  95
  96   /* Now set "core" pointer to the first
  97    * master device that is a pointer.
  98    */
  99   list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER);
 100
 101   for (l = list; l; l = l->next)
 102     {
 103       device = list->data;
 104
 105       if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
 106         continue;
 107
 108       display->core_pointer = device;
 109       break;
 110     }
 111
 112   /* Add the core pointer to the devices list */
 113   broadway_display->input_devices = g_list_prepend (broadway_display->input_devices,
 114                                                g_object_ref (display->core_pointer));
 115
 116   g_list_free (list);
 117 }
 118
 119 typedef struct HttpRequest {
 120   GdkDisplay *display;
 121   GSocketConnection *connection;
 122   GDataInputStream *data;
 123   GString *request;
 124 }  HttpRequest;
 125
 126 static void
 127 http_request_free (HttpRequest *request)
 128 {
 129   g_object_unref (request->connection);
 130   g_object_unref (request->data);
 131   g_string_free (request->request, TRUE);
 132   g_free (request);
 133 }
 134
 135 struct BroadwayInput {
 136   GdkDisplay *display;
 137   GSocketConnection *connection;
 138   GByteArray *buffer;
 139   GSource *source;
 140 };
 141
 142 static void
 143 broadway_input_free (BroadwayInput *input)
 144 {
 145   g_object_unref (input->connection);
 146   g_byte_array_free (input->buffer, FALSE);
 147   g_source_destroy (input->source);
 148   g_free (input);
 149 }
 150
 151 static void
 152 process_input_messages (GdkBroadwayDisplay *broadway_display)
 153 {
 154   char *message;
 155
 156   while (broadway_display->input_messages)
 157     {
 158       message = broadway_display->input_messages->data;
 159       broadway_display->input_messages =
 160         g_list_delete_link (broadway_display->input_messages,
 161                             broadway_display->input_messages);
 162
 163       _gdk_broadway_events_got_input (GDK_DISPLAY (broadway_display), message);
 164       g_free (message);
 165     }
 166 }
 167
 168 static void
 169 parse_input (BroadwayInput *input)
 170 {
 171   GdkBroadwayDisplay *broadway_display;
 172   char *buf, *ptr, *message;
 173   gsize len;
 174
 175   broadway_display = GDK_BROADWAY_DISPLAY (input->display);
 176
 177   buf = (char *)input->buffer->data;
 178   len = input->buffer->len;
 179
 180   if (len == 0)
 181     return;
 182
 183   if (buf[0] != 0)
 184     {
 185       broadway_display->input = NULL;
 186       broadway_input_free (input);
 187       return;
 188     }
 189
 190   while ((ptr = memchr (buf, 0xff, len)) != NULL)
 191     {
 192       ptr++;
 193
 194       message = g_strndup (buf+1, (ptr-1) - (buf + 1));
 195       broadway_display->input_messages = g_list_append (broadway_display->input_messages, message);
 196
 197       len -= ptr - buf;
 198       buf = ptr;
 199
 200       if (len > 0 && buf[0] != 0)
 201         {
 202           broadway_display->input = NULL;
 203           broadway_input_free (input);
 204           break;
 205         }
 206     }
 207
 208   g_byte_array_remove_range (input->buffer, 0, buf - (char *)input->buffer->data);
 209 }
 210
 211 static gboolean
 212 input_data_cb (GObject  *stream,
 213                BroadwayInput *input)
 214 {
 215   GdkBroadwayDisplay *broadway_display;
 216   GInputStream *in;
 217   gssize res;
 218   guint8 buffer[1024];
 219   GError *error;
 220
 221   broadway_display = GDK_BROADWAY_DISPLAY (input->display);
 222   in = g_io_stream_get_input_stream (G_IO_STREAM (input->connection));
 223
 224   error = NULL;
 225   res = g_pollable_input_stream_read_nonblocking (G_POLLABLE_INPUT_STREAM (in),
 226                                                   buffer, sizeof (buffer), NULL, &error);
 227
 228   if (res <= 0)
 229     {
 230       if (res < 0 &&
 231           g_error_matches (error, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK))
 232         {
 233           g_error_free (error);
 234           return TRUE;
 235         }
 236
 237       broadway_display->input = NULL;
 238       broadway_input_free (input);
 239       if (res < 0)
 240         {
 241           g_print ("input error %s", error->message);
 242           g_error_free (error);
 243         }
 244       return FALSE;
 245     }
 246
 247   g_byte_array_append (input->buffer, buffer, res);
 248
 249   parse_input (input);
 250   process_input_messages (broadway_display);
 251
 252   return TRUE;
 253 }
 254
 255 #include <unistd.h>
 256 #include <fcntl.h>
 257 static void
 258 set_fd_blocking (int fd)
 259 {
 260   glong arg;
 261
 262   if ((arg = fcntl (fd, F_GETFL, NULL)) < 0)
 263     arg = 0;
 264
 265   arg = arg & ~O_NONBLOCK;
 266
 267   fcntl (fd, F_SETFL, arg);
 268 }
 269
 270 static char *
 271 parse_line (char *line, char *key)
 272 {
 273   char *p;
 274
 275   if (!g_str_has_prefix (line, key))
 276     return NULL;
 277   p = line + strlen (key);
 278   if (*p != ':')
 279     return NULL;
 280   p++;
 281   /* Skip optional initial space */
 282   if (*p == ' ')
 283     p++;
 284   return p;
 285 }
 286 static void
 287 send_error (HttpRequest *request,
 288             int error_code,
 289             const char *reason)
 290 {
 291   char *res;
 292
 293   res = g_strdup_printf ("HTTP/1.0 %d %s\r\n\r\n"
 294                          "<html><head><title>%d %s</title></head>"
 295                          "<body>%s</body></html>",
 296                          error_code, reason,
 297                          error_code, reason,
 298                          reason);
 299   /* TODO: This should really be async */
 300   g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
 301                              res, strlen (res), NULL, NULL, NULL);
 302   g_free (res);
 303   http_request_free (request);
 304 }
 305
 306 static void
 307 start_input (HttpRequest *request)
 308 {
 309   char **lines;
 310   char *p;
 311   int num_key1, num_key2;
 312   guint64 key1, key2;
 313   int num_space;
 314   int i;
 315   guint8 challenge[16];
 316   char *res;
 317   gsize len;
 318   GChecksum *checksum;
 319   char *origin, *host;
 320   GdkBroadwayDisplay *broadway_display;
 321   BroadwayInput *input;
 322   const void *data_buffer;
 323   gsize data_buffer_size;
 324   GInputStream *in;
 325
 326   broadway_display = GDK_BROADWAY_DISPLAY (request->display);
 327
 328   if (broadway_display->input != NULL)
 329     {
 330       send_error (request, 409, "Input already handled");
 331       return;
 332     }
 333
 334   lines = g_strsplit (request->request->str, "\n", 0);
 335
 336   num_key1 = 0;
 337   num_key2 = 0;
 338   key1 = 0;
 339   key2 = 0;
 340   origin = NULL;
 341   host = NULL;
 342   for (i = 0; lines[i] != NULL; i++)
 343     {
 344       if ((p = parse_line (lines[i], "Sec-WebSocket-Key1")))
 345         {
 346           num_space = 0;
 347           while (*p != 0)
 348             {
 349               if (g_ascii_isdigit (*p))
 350                 key1 = key1 * 10 + g_ascii_digit_value (*p);
 351               else if (*p == ' ')
 352                 num_space++;
 353
 354               p++;
 355             }
 356           key1 /= num_space;
 357           num_key1++;
 358         }
 359       else if ((p = parse_line (lines[i], "Sec-WebSocket-Key2")))
 360         {
 361           num_space = 0;
 362           while (*p != 0)
 363             {
 364               if (g_ascii_isdigit (*p))
 365                 key2 = key2 * 10 + g_ascii_digit_value (*p);
 366               else if (*p == ' ')
 367                 num_space++;
 368
 369               p++;
 370             }
 371           key2 /= num_space;
 372           num_key2++;
 373         }
 374       else if ((p = parse_line (lines[i], "Origin")))
 375         {
 376           origin = p;
 377         }
 378       else if ((p = parse_line (lines[i], "Host")))
 379         {
 380           host = p;
 381         }
 382     }
 383
 384   if (num_key1 != 1 || num_key2 != 1 || origin == NULL || host == NULL)
 385     {
 386       g_strfreev (lines);
 387       send_error (request, 400, "Bad websocket request");
 388       return;
 389     }
 390
 391   challenge[0] = (key1 >> 24) & 0xff;
 392   challenge[1] = (key1 >> 16) & 0xff;
 393   challenge[2] = (key1 >>  8) & 0xff;
 394   challenge[3] = (key1 >>  0) & 0xff;
 395   challenge[4] = (key2 >> 24) & 0xff;
 396   challenge[5] = (key2 >> 16) & 0xff;
 397   challenge[6] = (key2 >>  8) & 0xff;
 398   challenge[7] = (key2 >>  0) & 0xff;
 399
 400   if (!g_input_stream_read_all (G_INPUT_STREAM (request->data), challenge+8, 8, NULL, NULL, NULL))
 401     {
 402       g_strfreev (lines);
 403       send_error (request, 400, "Bad websocket request");
 404       return;
 405     }
 406
 407   checksum = g_checksum_new (G_CHECKSUM_MD5);
 408   g_checksum_update (checksum, challenge, 16);
 409   len = 16;
 410   g_checksum_get_digest (checksum, challenge, &len);
 411   g_checksum_free (checksum);
 412
 413   res = g_strdup_printf ("HTTP/1.1 101 WebSocket Protocol Handshake\r\n"
 414                          "Upgrade: WebSocket\r\n"
 415                          "Connection: Upgrade\r\n"
 416                          "Sec-WebSocket-Origin: %s\r\n"
 417                          "Sec-WebSocket-Location: ws://%s/input\r\n"
 418                          "Sec-WebSocket-Protocol: broadway\r\n"
 419                          "\r\n",
 420                          origin, host);
 421
 422   g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
 423                              res, strlen (res), NULL, NULL, NULL);
 424   g_free (res);
 425   g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
 426                              challenge, 16, NULL, NULL, NULL);
 427
 428   input = g_new0 (BroadwayInput, 1);
 429
 430   input->display = request->display;
 431   input->connection = g_object_ref (request->connection);
 432
 433   data_buffer = g_buffered_input_stream_peek_buffer (G_BUFFERED_INPUT_STREAM (request->data), &data_buffer_size);
 434   input->buffer = g_byte_array_sized_new (data_buffer_size);
 435   g_byte_array_append (input->buffer, data_buffer, data_buffer_size);
 436
 437   broadway_display->input = input;
 438
 439   /* This will free and close the data input stream, but we got all the buffered content already */
 440   http_request_free (request);
 441
 442   in = g_io_stream_get_input_stream (G_IO_STREAM (input->connection));
 443   input->source = g_pollable_input_stream_create_source (G_POLLABLE_INPUT_STREAM (in), NULL);
 444   g_source_set_callback (input->source, (GSourceFunc)input_data_cb, input, NULL);
 445   g_source_attach (input->source, NULL);
 446
 447   /* Process any data in the pipe already */
 448   parse_input (input);
 449   process_input_messages (broadway_display);
 450
 451   g_strfreev (lines);
 452 }
 453
 454 static void
 455 start_output (HttpRequest *request)
 456 {
 457   GSocket *socket;
 458   GdkBroadwayDisplay *broadway_display;
 459   int fd;
 460
 461   socket = g_socket_connection_get_socket (request->connection);
 462
 463   broadway_display = GDK_BROADWAY_DISPLAY (request->display);
 464   fd = g_socket_get_fd (socket);
 465   set_fd_blocking (fd);
 466   /* We dup this because otherwise it'll be closed with the request SocketConnection */
 467
 468   if (broadway_display->output)
 469     {
 470       broadway_display->saved_serial = broadway_output_get_next_serial (broadway_display->output);
 471       broadway_output_free (broadway_display->output);
 472     }
 473
 474   broadway_display->output = broadway_output_new (dup(fd), broadway_display->saved_serial);
 475   _gdk_broadway_resync_windows ();
 476   http_request_free (request);
 477 }
 478
 479 static void
 480 send_data (HttpRequest *request,
 481              const char *mimetype,
 482              const char *data, gsize len)
 483 {
 484   char *res;
 485
 486   res = g_strdup_printf ("HTTP/1.0 200 OK\r\n"
 487                          "Content-Type: %s\r\n"
 488                          "Content-Length: %"G_GSIZE_FORMAT"\r\n"
 489                          "\r\n",
 490                          mimetype, len);
 491   /* TODO: This should really be async */
 492   g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
 493                              res, strlen (res), NULL, NULL, NULL);
 494   g_free (res);
 495   g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
 496                              data, len, NULL, NULL, NULL);
 497   http_request_free (request);
 498 }
 499
 500 #include "clienthtml.h"
 501 #include "broadwayjs.h"
 502
 503 static void
 504 got_request (HttpRequest *request)
 505 {
 506   char *start, *escaped, *tmp, *version;
 507
 508   if (!g_str_has_prefix (request->request->str, "GET "))
 509     {
 510       send_error (request, 501, "Only GET implemented");
 511       return;
 512     }
 513
 514   start = request->request->str + 4; /* Skip "GET " */
 515
 516   while (*start == ' ')
 517     start++;
 518
 519   for (tmp = start; *tmp != 0 && *tmp != ' ' && *tmp != '\n'; tmp++)
 520     ;
 521   escaped = g_strndup (start, tmp - start);
 522   version = NULL;
 523   if (*tmp == ' ')
 524     {
 525       start = tmp;
 526       while (*start == ' ')
 527         start++;
 528       for (tmp = start; *tmp != 0 && *tmp != ' ' && *tmp != '\n'; tmp++)
 529         ;
 530       version = g_strndup (start, tmp - start);
 531     }
 532
 533   if (strcmp (escaped, "/client.html") == 0 || strcmp (escaped, "/") == 0)
 534     send_data (request, "text/html", client_html, G_N_ELEMENTS(client_html) - 1);
 535   else if (strcmp (escaped, "/broadway.js") == 0)
 536     send_data (request, "text/javascript", broadway_js, G_N_ELEMENTS(broadway_js) - 1);
 537   else if (strcmp (escaped, "/output") == 0)
 538     start_output (request);
 539   else if (strcmp (escaped, "/input") == 0)
 540     start_input (request);
 541   else
 542     send_error (request, 404, "File not found");
 543 }
 544
 545 static void
 546 got_http_request_line (GInputStream *stream,
 547                        GAsyncResult *result,
 548                        HttpRequest *request)
 549 {
 550   char *line;
 551
 552   line = g_data_input_stream_read_line_finish (G_DATA_INPUT_STREAM (stream), result, NULL, NULL);
 553   if (line == NULL)
 554     {
 555       http_request_free (request);
 556       g_printerr ("Error reading request lines\n");
 557       return;
 558     }
 559   if (strlen (line) == 0)
 560     got_request (request);
 561   else
 562     {
 563       /* Protect against overflow in request length */
 564       if (request->request->len > 1024 * 5)
 565         {
 566           send_error (request, 400, "Request to long");
 567         }
 568       else
 569         {
 570           g_string_append_printf (request->request, "%s\n", line);
 571           g_data_input_stream_read_line_async (request->data, 0, NULL,
 572                                                (GAsyncReadyCallback)got_http_request_line, request);
 573         }
 574     }
 575   g_free (line);
 576 }
 577
 578 static gboolean
 579 handle_incoming_connection (GSocketService    *service,
 580                             GSocketConnection *connection,
 581                             GObject           *source_object)
 582 {
 583   HttpRequest *request;
 584   GInputStream *in;
 585
 586   request = g_new0 (HttpRequest, 1);
 587   request->connection = g_object_ref (connection);
 588   request->display = (GdkDisplay *) source_object;
 589   request->request = g_string_new ("");
 590
 591   in = g_io_stream_get_input_stream (G_IO_STREAM (connection));
 592
 593   request->data = g_data_input_stream_new (in);
 594   g_filter_input_stream_set_close_base_stream (G_FILTER_INPUT_STREAM (request->data), FALSE);
 595   /* Be tolerant of input */
 596   g_data_input_stream_set_newline_type (request->data, G_DATA_STREAM_NEWLINE_TYPE_ANY);
 597
 598   g_data_input_stream_read_line_async (request->data, 0, NULL,
 599                                        (GAsyncReadyCallback)got_http_request_line, request);
 600   return TRUE;
 601 }
 602
 603 GdkDisplay *
 604 _gdk_broadway_display_open (const gchar *display_name)
 605 {
 606   GdkDisplay *display;
 607   GdkBroadwayDisplay *broadway_display;
 608   GError *error;
 609
 610   display = g_object_new (GDK_TYPE_BROADWAY_DISPLAY, NULL);
 611   broadway_display = GDK_BROADWAY_DISPLAY (display);
 612
 613   broadway_display->output = NULL;
 614
 615   /* initialize the display's screens */
 616   broadway_display->screens = g_new (GdkScreen *, 1);
 617   broadway_display->screens[0] = _gdk_broadway_screen_new (display, 0);
 618
 619   /* We need to initialize events after we have the screen
 620    * structures in places
 621    */
 622   _gdk_broadway_screen_events_init (broadway_display->screens[0]);
 623
 624   /*set the default screen */
 625   broadway_display->default_screen = broadway_display->screens[0];
 626
 627   display->device_manager = _gdk_broadway_device_manager_new (display);
 628
 629   gdk_event_init (display);
 630
 631   gdk_broadway_display_init_input (display);
 632   _gdk_broadway_display_init_dnd (display);
 633
 634   _gdk_broadway_screen_setup (broadway_display->screens[0]);
 635
 636   broadway_display->service = g_socket_service_new ();
 637   if (!g_socket_listener_add_inet_port (G_SOCKET_LISTENER (broadway_display->service),
 638                                         8080,
 639                                         G_OBJECT (display),
 640                                         &error))
 641     {
 642       g_printerr ("Unable to listen to port %d: %s\n", 8080, error->message);
 643       g_error_free (error);
 644       return NULL;
 645     }
 646   g_signal_connect (broadway_display->service, "incoming", G_CALLBACK (handle_incoming_connection), NULL);
 647
 648   g_signal_emit_by_name (display, "opened");
 649   g_signal_emit_by_name (gdk_display_manager_get (), "display-opened", display);
 650
 651   return display;
 652 }
 653
 654
 655 static G_CONST_RETURN gchar *
 656 gdk_broadway_display_get_name (GdkDisplay *display)
 657 {
 658   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
 659
 660   return (gchar *) "Broadway";
 661 }
 662
 663 static gint
 664 gdk_broadway_display_get_n_screens (GdkDisplay *display)
 665 {
 666   g_return_val_if_fail (GDK_IS_DISPLAY (display), 0);
 667
 668   return 1;
 669 }
 670
 671 static GdkScreen *
 672 gdk_broadway_display_get_screen (GdkDisplay *display,
 673                                  gint        screen_num)
 674 {
 675   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
 676   g_return_val_if_fail (screen_num == 0, NULL);
 677
 678   return GDK_BROADWAY_DISPLAY (display)->screens[screen_num];
 679 }
 680
 681 static GdkScreen *
 682 gdk_broadway_display_get_default_screen (GdkDisplay *display)
 683 {
 684   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
 685
 686   return GDK_BROADWAY_DISPLAY (display)->default_screen;
 687 }
 688
 689 static void
 690 gdk_broadway_display_beep (GdkDisplay *display)
 691 {
 692   g_return_if_fail (GDK_IS_DISPLAY (display));
 693 }
 694
 695 static void
 696 gdk_broadway_display_sync (GdkDisplay *display)
 697 {
 698   g_return_if_fail (GDK_IS_DISPLAY (display));
 699
 700 }
 701
 702 static void
 703 gdk_broadway_display_flush (GdkDisplay *display)
 704 {
 705   GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display);
 706
 707   g_return_if_fail (GDK_IS_DISPLAY (display));
 708
 709   if (broadway_display->output &&
 710       !broadway_output_flush (broadway_display->output))
 711     {
 712       broadway_display->saved_serial = broadway_output_get_next_serial (broadway_display->output);
 713       broadway_output_free (broadway_display->output);
 714       broadway_display->output = NULL;
 715     }
 716 }
 717
 718 static gboolean
 719 gdk_broadway_display_has_pending (GdkDisplay *display)
 720 {
 721   return FALSE;
 722 }
 723
 724 static GdkWindow *
 725 gdk_broadway_display_get_default_group (GdkDisplay *display)
 726 {
 727   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
 728
 729   return NULL;
 730 }
 731
 732 static void
 733 gdk_broadway_display_dispose (GObject *object)
 734 {
 735   GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (object);
 736
 737   _gdk_broadway_display_manager_remove_display (gdk_display_manager_get (),
 738                                                 GDK_DISPLAY_OBJECT (object));
 739
 740   g_list_foreach (broadway_display->input_devices, (GFunc) g_object_run_dispose, NULL);
 741
 742   _gdk_screen_close (broadway_display->screens[0]);
 743
 744   if (broadway_display->event_source)
 745     {
 746       g_source_destroy (broadway_display->event_source);
 747       g_source_unref (broadway_display->event_source);
 748       broadway_display->event_source = NULL;
 749     }
 750
 751   G_OBJECT_CLASS (gdk_broadway_display_parent_class)->dispose (object);
 752 }
 753
 754 static void
 755 gdk_broadway_display_finalize (GObject *object)
 756 {
 757   GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (object);
 758
 759   /* Keymap */
 760   if (broadway_display->keymap)
 761     g_object_unref (broadway_display->keymap);
 762
 763   _gdk_broadway_cursor_display_finalize (GDK_DISPLAY_OBJECT(broadway_display));
 764
 765   /* Atom Hashtable */
 766   g_hash_table_destroy (broadway_display->atom_from_virtual);
 767   g_hash_table_destroy (broadway_display->atom_to_virtual);
 768
 769   /* input GdkDevice list */
 770   g_list_foreach (broadway_display->input_devices, (GFunc) g_object_unref, NULL);
 771   g_list_free (broadway_display->input_devices);
 772   /* Free all GdkScreens */
 773   g_object_unref (broadway_display->screens[0]);
 774   g_free (broadway_display->screens);
 775
 776   G_OBJECT_CLASS (gdk_broadway_display_parent_class)->finalize (object);
 777 }
 778
 779 void
 780 _gdk_broadway_display_make_default (GdkDisplay *display)
 781 {
 782 }
 783
 784 static void
 785 gdk_broadway_display_notify_startup_complete (GdkDisplay  *display,
 786                                               const gchar *startup_id)
 787 {
 788 }
 789
 790 static gboolean
 791 gdk_broadway_display_supports_selection_notification (GdkDisplay *display)
 792 {
 793   return FALSE;
 794 }
 795
 796 static gboolean
 797 gdk_broadway_display_request_selection_notification (GdkDisplay *display,
 798                                                      GdkAtom     selection)
 799
 800 {
 801     return FALSE;
 802 }
 803
 804 static gboolean
 805 gdk_broadway_display_supports_clipboard_persistence (GdkDisplay *display)
 806 {
 807   return FALSE;
 808 }
 809
 810 static void
 811 gdk_broadway_display_store_clipboard (GdkDisplay    *display,
 812                                       GdkWindow     *clipboard_window,
 813                                       guint32        time_,
 814                                       const GdkAtom *targets,
 815                                       gint           n_targets)
 816 {
 817 }
 818
 819 static gboolean
 820 gdk_broadway_display_supports_shapes (GdkDisplay *display)
 821 {
 822   return FALSE;
 823 }
 824
 825 static gboolean
 826 gdk_broadway_display_supports_input_shapes (GdkDisplay *display)
 827 {
 828   return FALSE;
 829 }
 830
 831 static gboolean
 832 gdk_broadway_display_supports_composite (GdkDisplay *display)
 833 {
 834   return FALSE;
 835 }
 836
 837 static GList *
 838 gdk_broadway_display_list_devices (GdkDisplay *display)
 839 {
 840   g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
 841
 842   return GDK_BROADWAY_DISPLAY (display)->input_devices;
 843 }
 844
 845 static gulong
 846 gdk_broadway_display_get_next_serial (GdkDisplay *display)
 847 {
 848   GdkBroadwayDisplay *broadway_display;
 849   broadway_display = GDK_BROADWAY_DISPLAY (display);
 850   if (broadway_display->output)
 851     return broadway_output_get_next_serial (broadway_display->output);
 852   return broadway_display->saved_serial;
 853 }
 854
 855
 856 static void
 857 gdk_broadway_display_event_data_copy (GdkDisplay    *display,
 858                                       const GdkEvent *src,
 859                                       GdkEvent       *dst)
 860 {
 861 }
 862
 863 static void
 864 gdk_broadway_display_event_data_free (GdkDisplay    *display,
 865                                       GdkEvent *event)
 866 {
 867 }
 868
 869 static void
 870 gdk_broadway_display_class_init (GdkBroadwayDisplayClass * class)
 871 {
 872   GObjectClass *object_class = G_OBJECT_CLASS (class);
 873   GdkDisplayClass *display_class = GDK_DISPLAY_CLASS (class);
 874
 875   object_class->dispose = gdk_broadway_display_dispose;
 876   object_class->finalize = gdk_broadway_display_finalize;
 877
 878   display_class->window_type = GDK_TYPE_BROADWAY_WINDOW;
 879
 880   display_class->get_name = gdk_broadway_display_get_name;
 881   display_class->get_n_screens = gdk_broadway_display_get_n_screens;
 882   display_class->get_screen = gdk_broadway_display_get_screen;
 883   display_class->get_default_screen = gdk_broadway_display_get_default_screen;
 884   display_class->beep = gdk_broadway_display_beep;
 885   display_class->sync = gdk_broadway_display_sync;
 886   display_class->flush = gdk_broadway_display_flush;
 887   display_class->has_pending = gdk_broadway_display_has_pending;
 888   display_class->queue_events = _gdk_broadway_display_queue_events;
 889   display_class->get_default_group = gdk_broadway_display_get_default_group;
 890   display_class->supports_selection_notification = gdk_broadway_display_supports_selection_notification;
 891   display_class->request_selection_notification = gdk_broadway_display_request_selection_notification;
 892   display_class->supports_clipboard_persistence = gdk_broadway_display_supports_clipboard_persistence;
 893   display_class->store_clipboard = gdk_broadway_display_store_clipboard;
 894   display_class->supports_shapes = gdk_broadway_display_supports_shapes;
 895   display_class->supports_input_shapes = gdk_broadway_display_supports_input_shapes;
 896   display_class->supports_composite = gdk_broadway_display_supports_composite;
 897   display_class->list_devices = gdk_broadway_display_list_devices;
 898   display_class->get_cursor_for_type = _gdk_broadway_display_get_cursor_for_type;
 899   display_class->get_cursor_for_name = _gdk_broadway_display_get_cursor_for_name;
 900   display_class->get_cursor_for_pixbuf = _gdk_broadway_display_get_cursor_for_pixbuf;
 901   display_class->get_default_cursor_size = _gdk_broadway_display_get_default_cursor_size;
 902   display_class->get_maximal_cursor_size = _gdk_broadway_display_get_maximal_cursor_size;
 903   display_class->supports_cursor_alpha = _gdk_broadway_display_supports_cursor_alpha;
 904   display_class->supports_cursor_color = _gdk_broadway_display_supports_cursor_color;
 905
 906   display_class->before_process_all_updates = _gdk_broadway_display_before_process_all_updates;
 907   display_class->after_process_all_updates = _gdk_broadway_display_after_process_all_updates;
 908   display_class->get_next_serial = gdk_broadway_display_get_next_serial;
 909   display_class->notify_startup_complete = gdk_broadway_display_notify_startup_complete;
 910   display_class->event_data_copy = gdk_broadway_display_event_data_copy;
 911   display_class->event_data_free = gdk_broadway_display_event_data_free;
 912   display_class->create_window_impl = _gdk_broadway_display_create_window_impl;
 913   display_class->get_keymap = _gdk_broadway_display_get_keymap;
 914   display_class->get_selection_owner = _gdk_broadway_display_get_selection_owner;
 915   display_class->set_selection_owner = _gdk_broadway_display_set_selection_owner;
 916   display_class->send_selection_notify = _gdk_broadway_display_send_selection_notify;
 917   display_class->get_selection_property = _gdk_broadway_display_get_selection_property;
 918   display_class->convert_selection = _gdk_broadway_display_convert_selection;
 919   display_class->text_property_to_utf8_list = _gdk_broadway_display_text_property_to_utf8_list;
 920   display_class->utf8_to_string_target = _gdk_broadway_display_utf8_to_string_target;
 921 }
 922