1 /* GDK - The GIMP Drawing Kit
2 * gdkdisplay-broadway.c
4 * Copyright 2001 Sun Microsystems Inc.
5 * Copyright (C) 2004 Nokia Corporation
7 * Erwann Chenede <erwann.chenede@sun.com>
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.
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.
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.
27 #include "gdkdisplay-broadway.h"
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.h"
38 #include <glib/gprintf.h>
44 static void gdk_display_broadway_dispose (GObject *object);
45 static void gdk_display_broadway_finalize (GObject *object);
47 G_DEFINE_TYPE (GdkDisplayBroadway, _gdk_display_broadway, GDK_TYPE_DISPLAY)
51 _gdk_display_broadway_class_init (GdkDisplayBroadwayClass * class)
53 GObjectClass *object_class = G_OBJECT_CLASS (class);
55 object_class->dispose = gdk_display_broadway_dispose;
56 object_class->finalize = gdk_display_broadway_finalize;
60 _gdk_display_broadway_init (GdkDisplayBroadway *display)
62 display->id_ht = g_hash_table_new (NULL, NULL);
66 _gdk_event_init (GdkDisplay *display)
68 GdkDisplayBroadway *display_broadway;
70 display_broadway = GDK_DISPLAY_BROADWAY (display);
71 display_broadway->event_source = gdk_event_source_new (display);
75 _gdk_input_init (GdkDisplay *display)
77 GdkDisplayBroadway *display_broadway;
78 GdkDeviceManager *device_manager;
82 display_broadway = GDK_DISPLAY_BROADWAY (display);
83 device_manager = gdk_display_get_device_manager (display);
85 /* For backwards compatibility, just add
86 * floating devices that are not keyboards.
88 list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_FLOATING);
90 for (l = list; l; l = l->next)
94 if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
97 display_broadway->input_devices = g_list_prepend (display_broadway->input_devices,
98 g_object_ref (l->data));
103 /* Now set "core" pointer to the first
104 * master device that is a pointer.
106 list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER);
108 for (l = list; l; l = l->next)
112 if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
115 display->core_pointer = device;
119 /* Add the core pointer to the devices list */
120 display_broadway->input_devices = g_list_prepend (display_broadway->input_devices,
121 g_object_ref (display->core_pointer));
128 GSocketConnection *connection;
129 GDataInputStream *data;
134 http_request_free (HttpRequest *request)
136 g_object_unref (request->connection);
137 g_object_unref (request->data);
138 g_string_free (request->request, TRUE);
145 set_fd_blocking (int fd)
149 if ((arg = fcntl (fd, F_GETFL, NULL)) < 0)
152 arg = arg & ~O_NONBLOCK;
154 fcntl (fd, F_SETFL, arg);
158 parse_line (char *line, char *key)
162 if (!g_str_has_prefix (line, key))
164 p = line + strlen (key);
168 /* Skip optional initial space */
175 got_input (GInputStream *stream,
176 GAsyncResult *result,
177 HttpRequest *request)
184 message = g_data_input_stream_read_upto_finish (G_DATA_INPUT_STREAM (stream), result, &len, &error);
187 GDK_DISPLAY_BROADWAY (request->display)->input = NULL;
188 http_request_free (request);
192 g_assert (message[0] == 0);
193 _gdk_events_got_input (request->display, message + 1);
195 /* Skip past ending 0xff */
196 g_data_input_stream_read_byte (request->data, NULL, NULL);
197 g_data_input_stream_read_upto_async (request->data, "\xff", 1, 0, NULL,
198 (GAsyncReadyCallback)got_input, request);
202 send_error (HttpRequest *request,
208 res = g_strdup_printf ("HTTP/1.0 %d %s\r\n\r\n"
209 "<html><head><title>%d %s</title></head>"
210 "<body>%s</body></html>",
214 /* TODO: This should really be async */
215 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
216 res, strlen (res), NULL, NULL, NULL);
218 http_request_free (request);
222 start_input (HttpRequest *request)
226 int num_key1, num_key2;
230 guint8 challenge[16];
235 GdkDisplayBroadway *display_broadway;
237 display_broadway = GDK_DISPLAY_BROADWAY (request->display);
239 if (display_broadway->input != NULL)
241 send_error (request, 409, "Input already handled");
245 lines = g_strsplit (request->request->str, "\n", 0);
253 for (i = 0; lines[i] != NULL; i++)
255 if ((p = parse_line (lines[i], "Sec-WebSocket-Key1")))
260 if (g_ascii_isdigit (*p))
261 key1 = key1 * 10 + g_ascii_digit_value (*p);
270 else if ((p = parse_line (lines[i], "Sec-WebSocket-Key2")))
275 if (g_ascii_isdigit (*p))
276 key2 = key2 * 10 + g_ascii_digit_value (*p);
285 else if ((p = parse_line (lines[i], "Origin")))
289 else if ((p = parse_line (lines[i], "Host")))
295 if (num_key1 != 1 || num_key2 != 1 || origin == NULL || host == NULL)
298 send_error (request, 400, "Bad websocket request");
302 challenge[0] = (key1 >> 24) & 0xff;
303 challenge[1] = (key1 >> 16) & 0xff;
304 challenge[2] = (key1 >> 8) & 0xff;
305 challenge[3] = (key1 >> 0) & 0xff;
306 challenge[4] = (key2 >> 24) & 0xff;
307 challenge[5] = (key2 >> 16) & 0xff;
308 challenge[6] = (key2 >> 8) & 0xff;
309 challenge[7] = (key2 >> 0) & 0xff;
311 if (!g_input_stream_read_all (G_INPUT_STREAM (request->data), challenge+8, 8, NULL, NULL, NULL))
314 send_error (request, 400, "Bad websocket request");
318 checksum = g_checksum_new (G_CHECKSUM_MD5);
319 g_checksum_update (checksum, challenge, 16);
321 g_checksum_get_digest (checksum, challenge, &len);
322 g_checksum_free (checksum);
324 res = g_strdup_printf ("HTTP/1.1 101 WebSocket Protocol Handshake\r\n"
325 "Upgrade: WebSocket\r\n"
326 "Connection: Upgrade\r\n"
327 "Sec-WebSocket-Origin: %s\r\n"
328 "Sec-WebSocket-Location: ws://%s/input\r\n"
329 "Sec-WebSocket-Protocol: broadway\r\n"
333 /* TODO: This should really be async */
334 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
335 res, strlen (res), NULL, NULL, NULL);
337 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
338 challenge, 16, NULL, NULL, NULL);
340 display_broadway->input = request;
342 g_data_input_stream_read_upto_async (request->data, "\xff", 1, 0, NULL,
343 (GAsyncReadyCallback)got_input, request);
349 start_output (HttpRequest *request)
352 GdkDisplayBroadway *display_broadway;
355 socket = g_socket_connection_get_socket (request->connection);
357 display_broadway = GDK_DISPLAY_BROADWAY (request->display);
358 fd = g_socket_get_fd (socket);
359 set_fd_blocking (fd);
360 /* We dup this because otherwise it'll be closed with the request SocketConnection */
361 display_broadway->output = broadway_output_new (dup(fd));
362 _gdk_broadway_resync_windows ();
363 http_request_free (request);
367 send_data (HttpRequest *request,
368 const char *mimetype,
369 const char *data, gsize len)
373 res = g_strdup_printf ("HTTP/1.0 200 OK\r\n"
374 "Content-Type: %s\r\n"
375 "Content-Length: %"G_GSIZE_FORMAT"\r\n"
378 /* TODO: This should really be async */
379 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
380 res, strlen (res), NULL, NULL, NULL);
382 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
383 data, len, NULL, NULL, NULL);
384 http_request_free (request);
387 #include "clienthtml.h"
388 #include "broadwayjs.h"
391 got_request (HttpRequest *request)
393 char *start, *escaped, *tmp, *version;
395 if (!g_str_has_prefix (request->request->str, "GET "))
397 send_error (request, 501, "Only GET implemented");
401 start = request->request->str + 4; /* Skip "GET " */
403 while (*start == ' ')
406 for (tmp = start; *tmp != 0 && *tmp != ' ' && *tmp != '\n'; tmp++)
408 escaped = g_strndup (start, tmp - start);
413 while (*start == ' ')
415 for (tmp = start; *tmp != 0 && *tmp != ' ' && *tmp != '\n'; tmp++)
417 version = g_strndup (start, tmp - start);
420 if (strcmp (escaped, "/client.html") == 0 || strcmp (escaped, "/") == 0)
421 send_data (request, "text/html", client_html, G_N_ELEMENTS(client_html) - 1);
422 else if (strcmp (escaped, "/broadway.js") == 0)
423 send_data (request, "text/javascript", broadway_js, G_N_ELEMENTS(broadway_js) - 1);
424 else if (strcmp (escaped, "/output") == 0)
425 start_output (request);
426 else if (strcmp (escaped, "/input") == 0)
427 start_input (request);
429 send_error (request, 404, "File not found");
433 got_http_request_line (GInputStream *stream,
434 GAsyncResult *result,
435 HttpRequest *request)
439 line = g_data_input_stream_read_line_finish (G_DATA_INPUT_STREAM (stream), result, NULL, NULL);
442 http_request_free (request);
443 g_printerr ("Error reading request lines\n");
446 if (strlen (line) == 0)
447 got_request (request);
450 /* Protect against overflow in request length */
451 if (request->request->len > 1024 * 5)
453 send_error (request, 400, "Request to long");
457 g_string_append_printf (request->request, "%s\n", line);
458 g_data_input_stream_read_line_async (request->data, 0, NULL,
459 (GAsyncReadyCallback)got_http_request_line, request);
466 handle_incoming_connection (GSocketService *service,
467 GSocketConnection *connection,
468 GObject *source_object)
470 HttpRequest *request;
473 request = g_new0 (HttpRequest, 1);
474 request->connection = g_object_ref (connection);
475 request->display = (GdkDisplay *) source_object;
476 request->request = g_string_new ("");
478 in = g_io_stream_get_input_stream (G_IO_STREAM (connection));
480 request->data = g_data_input_stream_new (in);
481 g_filter_input_stream_set_close_base_stream (G_FILTER_INPUT_STREAM (request->data), FALSE);
482 /* Be tolerant of input */
483 g_data_input_stream_set_newline_type (request->data, G_DATA_STREAM_NEWLINE_TYPE_ANY);
485 g_data_input_stream_read_line_async (request->data, 0, NULL,
486 (GAsyncReadyCallback)got_http_request_line, request);
491 gdk_display_open (const gchar *display_name)
494 GdkDisplayBroadway *display_broadway;
495 const char *sm_client_id;
498 display = g_object_new (GDK_TYPE_DISPLAY_BROADWAY, NULL);
499 display_broadway = GDK_DISPLAY_BROADWAY (display);
501 display_broadway->output = NULL;
503 /* initialize the display's screens */
504 display_broadway->screens = g_new (GdkScreen *, 1);
505 display_broadway->screens[0] = _gdk_broadway_screen_new (display, 0);
507 /* We need to initialize events after we have the screen
508 * structures in places
510 _gdk_screen_broadway_events_init (display_broadway->screens[0]);
512 /*set the default screen */
513 display_broadway->default_screen = display_broadway->screens[0];
515 display->device_manager = _gdk_device_manager_new (display);
517 _gdk_event_init (display);
519 sm_client_id = _gdk_get_sm_client_id ();
521 _gdk_windowing_display_set_sm_client_id (display, sm_client_id);
523 _gdk_input_init (display);
524 _gdk_dnd_init (display);
526 _gdk_broadway_screen_setup (display_broadway->screens[0]);
528 display_broadway->service = g_socket_service_new ();
529 if (!g_socket_listener_add_inet_port (G_SOCKET_LISTENER (display_broadway->service),
534 g_printerr ("Unable to listen to port %d: %s\n", 8080, error->message);
535 g_error_free (error);
538 g_signal_connect (display_broadway->service, "incoming", G_CALLBACK (handle_incoming_connection), NULL);
540 g_signal_emit_by_name (display, "opened");
541 g_signal_emit_by_name (gdk_display_manager_get (), "display-opened", display);
547 G_CONST_RETURN gchar *
548 gdk_display_get_name (GdkDisplay *display)
550 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
552 return (gchar *) "Broadway";
556 gdk_display_get_n_screens (GdkDisplay *display)
558 g_return_val_if_fail (GDK_IS_DISPLAY (display), 0);
564 gdk_display_get_screen (GdkDisplay *display,
567 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
568 g_return_val_if_fail (screen_num == 0, NULL);
570 return GDK_DISPLAY_BROADWAY (display)->screens[screen_num];
574 gdk_display_get_default_screen (GdkDisplay *display)
576 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
578 return GDK_DISPLAY_BROADWAY (display)->default_screen;
582 gdk_device_ungrab (GdkDevice *device,
588 gdk_display_beep (GdkDisplay *display)
590 g_return_if_fail (GDK_IS_DISPLAY (display));
594 gdk_display_sync (GdkDisplay *display)
596 g_return_if_fail (GDK_IS_DISPLAY (display));
601 gdk_display_flush (GdkDisplay *display)
603 g_return_if_fail (GDK_IS_DISPLAY (display));
608 gdk_display_get_default_group (GdkDisplay *display)
610 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
616 gdk_display_broadway_dispose (GObject *object)
618 GdkDisplayBroadway *display_broadway = GDK_DISPLAY_BROADWAY (object);
620 g_list_foreach (display_broadway->input_devices, (GFunc) g_object_run_dispose, NULL);
622 _gdk_screen_close (display_broadway->screens[0]);
624 if (display_broadway->event_source)
626 g_source_destroy (display_broadway->event_source);
627 g_source_unref (display_broadway->event_source);
628 display_broadway->event_source = NULL;
631 G_OBJECT_CLASS (_gdk_display_broadway_parent_class)->dispose (object);
635 gdk_display_broadway_finalize (GObject *object)
637 GdkDisplayBroadway *display_broadway = GDK_DISPLAY_BROADWAY (object);
640 if (display_broadway->keymap)
641 g_object_unref (display_broadway->keymap);
643 _gdk_broadway_cursor_display_finalize (GDK_DISPLAY_OBJECT(display_broadway));
646 g_hash_table_destroy (display_broadway->atom_from_virtual);
647 g_hash_table_destroy (display_broadway->atom_to_virtual);
649 /* input GdkDevice list */
650 g_list_foreach (display_broadway->input_devices, (GFunc) g_object_unref, NULL);
651 g_list_free (display_broadway->input_devices);
652 /* Free all GdkScreens */
653 g_object_unref (display_broadway->screens[0]);
654 g_free (display_broadway->screens);
656 G_OBJECT_CLASS (_gdk_display_broadway_parent_class)->finalize (object);
660 _gdk_windowing_set_default_display (GdkDisplay *display)
665 gdk_notify_startup_complete (void)
670 gdk_notify_startup_complete_with_id (const gchar* startup_id)
675 gdk_display_supports_selection_notification (GdkDisplay *display)
681 gdk_display_request_selection_notification (GdkDisplay *display,
689 gdk_display_supports_clipboard_persistence (GdkDisplay *display)
695 gdk_display_store_clipboard (GdkDisplay *display,
696 GdkWindow *clipboard_window,
698 const GdkAtom *targets,
704 gdk_display_supports_shapes (GdkDisplay *display)
710 gdk_display_supports_input_shapes (GdkDisplay *display)
716 gdk_display_supports_composite (GdkDisplay *display)
722 gdk_display_list_devices (GdkDisplay *display)
724 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
726 return GDK_DISPLAY_BROADWAY (display)->input_devices;
730 gdk_event_send_client_message_for_display (GdkDisplay *display,
732 GdkNativeWindow winid)
738 gdk_display_add_client_message_filter (GdkDisplay *display,
739 GdkAtom message_type,
746 gdk_add_client_message_filter (GdkAtom message_type,
755 GSList *tmp_list = _gdk_displays;
759 gdk_display_flush (GDK_DISPLAY_OBJECT (tmp_list->data));
760 tmp_list = tmp_list->next;
765 _gdk_windowing_window_get_next_serial (GdkDisplay *display)