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)
65 _gdk_event_init (GdkDisplay *display)
67 GdkDisplayBroadway *display_broadway;
69 display_broadway = GDK_DISPLAY_BROADWAY (display);
70 display_broadway->event_source = gdk_event_source_new (display);
74 _gdk_input_init (GdkDisplay *display)
76 GdkDisplayBroadway *display_broadway;
77 GdkDeviceManager *device_manager;
81 display_broadway = GDK_DISPLAY_BROADWAY (display);
82 device_manager = gdk_display_get_device_manager (display);
84 /* For backwards compatibility, just add
85 * floating devices that are not keyboards.
87 list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_FLOATING);
89 for (l = list; l; l = l->next)
93 if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
96 display_broadway->input_devices = g_list_prepend (display_broadway->input_devices,
97 g_object_ref (l->data));
102 /* Now set "core" pointer to the first
103 * master device that is a pointer.
105 list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER);
107 for (l = list; l; l = l->next)
111 if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
114 display->core_pointer = device;
118 /* Add the core pointer to the devices list */
119 display_broadway->input_devices = g_list_prepend (display_broadway->input_devices,
120 g_object_ref (display->core_pointer));
127 GSocketConnection *connection;
128 GDataInputStream *data;
133 http_request_free (HttpRequest *request)
135 g_object_unref (request->connection);
136 g_object_unref (request->data);
137 g_string_free (request->request, TRUE);
144 set_fd_blocking (int fd)
148 if ((arg = fcntl (fd, F_GETFL, NULL)) < 0)
151 arg = arg & ~O_NONBLOCK;
153 fcntl (fd, F_SETFL, arg);
157 parse_line (char *line, char *key)
161 if (!g_str_has_prefix (line, key))
163 p = line + strlen (key);
167 /* Skip optional initial space */
174 got_input (GInputStream *stream,
175 GAsyncResult *result,
176 HttpRequest *request)
179 GdkWindow *root, *window;
182 GError *error = NULL;
185 GdkEvent *event = NULL;
188 GdkDisplayBroadway *display_broadway = GDK_DISPLAY_BROADWAY (request->display);
190 message = g_data_input_stream_read_upto_finish (G_DATA_INPUT_STREAM (stream), result, &len, &error);
193 g_print (error->message);
194 g_error_free (error);
197 g_assert (message[0] == 0);
199 screen = gdk_display_get_default_screen (request->display);
200 root = gdk_screen_get_root_window (screen);
206 x = strtol(p, &p, 10);
208 y = strtol(p, &p, 10);
210 time = strtol(p, &p, 10);
212 window = _gdk_window_find_child_at (root, x, y);
214 if (display_broadway->mouse_in_toplevel != window)
216 if (display_broadway->mouse_in_toplevel != NULL)
218 event = gdk_event_new (GDK_LEAVE_NOTIFY);
219 event->crossing.window = g_object_ref (display_broadway->mouse_in_toplevel);
220 event->crossing.time = time;
221 event->crossing.x = x - GDK_WINDOW_OBJECT (display_broadway->mouse_in_toplevel)->x;
222 event->crossing.y = y - GDK_WINDOW_OBJECT (display_broadway->mouse_in_toplevel)->y;
223 event->crossing.x_root = x;
224 event->crossing.y_root = y;
225 event->crossing.mode = GDK_CROSSING_NORMAL;
226 event->crossing.detail = GDK_NOTIFY_ANCESTOR;
227 gdk_event_set_device (event, request->display->core_pointer);
229 node = _gdk_event_queue_append (request->display, event);
230 _gdk_windowing_got_event (request->display, node, event, 0);
232 event = gdk_event_new (GDK_FOCUS_CHANGE);
233 event->focus_change.window = g_object_ref (display_broadway->mouse_in_toplevel);
234 event->focus_change.in = FALSE;
235 gdk_event_set_device (event, request->display->core_pointer);
237 node = _gdk_event_queue_append (request->display, event);
238 _gdk_windowing_got_event (request->display, node, event, 0);
241 /* TODO: Unset when it dies */
242 display_broadway->mouse_in_toplevel = window;
246 event = gdk_event_new (GDK_ENTER_NOTIFY);
247 event->crossing.window = g_object_ref (window);
248 event->crossing.time = time;
249 event->crossing.x = x - GDK_WINDOW_OBJECT (window)->x;
250 event->crossing.y = y - GDK_WINDOW_OBJECT (window)->y;
251 event->crossing.x_root = x;
252 event->crossing.y_root = y;
253 event->crossing.mode = GDK_CROSSING_NORMAL;
254 event->crossing.detail = GDK_NOTIFY_ANCESTOR;
255 gdk_event_set_device (event, request->display->core_pointer);
257 node = _gdk_event_queue_append (request->display, event);
258 _gdk_windowing_got_event (request->display, node, event, 0);
260 event = gdk_event_new (GDK_FOCUS_CHANGE);
261 event->focus_change.window = g_object_ref (window);
262 event->focus_change.in = TRUE;
263 gdk_event_set_device (event, request->display->core_pointer);
265 node = _gdk_event_queue_append (request->display, event);
266 _gdk_windowing_got_event (request->display, node, event, 0);
273 event = gdk_event_new (GDK_MOTION_NOTIFY);
274 event->motion.window = g_object_ref (window);
275 event->motion.time = time;
276 event->motion.x = x - GDK_WINDOW_OBJECT (window)->x;
277 event->motion.y = y - GDK_WINDOW_OBJECT (window)->y;
278 event->motion.x_root = x;
279 event->motion.y_root = y;
280 gdk_event_set_device (event, request->display->core_pointer);
282 node = _gdk_event_queue_append (request->display, event);
283 _gdk_windowing_got_event (request->display, node, event, 0);
289 x = strtol(p, &p, 10);
291 y = strtol(p, &p, 10);
293 button = strtol(p, &p, 10);
295 time = strtol(p, &p, 10);
297 window = _gdk_window_find_child_at (root, x, y);
301 event = gdk_event_new (cmd == 'b' ? GDK_BUTTON_PRESS : GDK_BUTTON_RELEASE);
302 event->button.window = g_object_ref (window);
303 event->button.time = time;
304 event->button.x = x - GDK_WINDOW_OBJECT (window)->x;
305 event->button.y = y - GDK_WINDOW_OBJECT (window)->y;
306 event->button.x_root = x;
307 event->button.y_root = y;
308 event->button.button = button + 1;
309 gdk_event_set_device (event, request->display->core_pointer);
311 node = _gdk_event_queue_append (request->display, event);
312 _gdk_windowing_got_event (request->display, node, event, 0);
318 /* Skip past ending 0xff */
319 g_data_input_stream_read_byte (request->data, NULL, NULL);
320 g_data_input_stream_read_upto_async (request->data, "\xff", 1, 0, NULL,
321 (GAsyncReadyCallback)got_input, request);
325 start_input (HttpRequest *request)
329 int num_key1, num_key2;
333 guint8 challenge[16];
339 lines = g_strsplit (request->request->str, "\n", 0);
347 for (i = 0; lines[i] != NULL; i++)
349 if ((p = parse_line (lines[i], "Sec-WebSocket-Key1")))
354 if (g_ascii_isdigit (*p))
355 key1 = key1 * 10 + g_ascii_digit_value (*p);
364 else if ((p = parse_line (lines[i], "Sec-WebSocket-Key2")))
369 if (g_ascii_isdigit (*p))
370 key2 = key2 * 10 + g_ascii_digit_value (*p);
379 else if ((p = parse_line (lines[i], "Origin")))
383 else if ((p = parse_line (lines[i], "Host")))
390 if (num_key1 != 1 || num_key2 != 1 || origin == NULL || host == NULL)
396 challenge[0] = (key1 >> 24) & 0xff;
397 challenge[1] = (key1 >> 16) & 0xff;
398 challenge[2] = (key1 >> 8) & 0xff;
399 challenge[3] = (key1 >> 0) & 0xff;
400 challenge[4] = (key2 >> 24) & 0xff;
401 challenge[5] = (key2 >> 16) & 0xff;
402 challenge[6] = (key2 >> 8) & 0xff;
403 challenge[7] = (key2 >> 0) & 0xff;
405 if (!g_input_stream_read_all (G_INPUT_STREAM (request->data), challenge+8, 8, NULL, NULL, NULL))
411 checksum = g_checksum_new (G_CHECKSUM_MD5);
412 g_checksum_update (checksum, challenge, 16);
414 g_checksum_get_digest (checksum, challenge, &len);
415 g_checksum_free (checksum);
417 res = g_strdup_printf ("HTTP/1.1 101 WebSocket Protocol Handshake\r\n"
418 "Upgrade: WebSocket\r\n"
419 "Connection: Upgrade\r\n"
420 "Sec-WebSocket-Origin: %s\r\n"
421 "Sec-WebSocket-Location: ws://%s/input\r\n"
422 "Sec-WebSocket-Protocol: broadway\r\n"
426 /* TODO: This should really be async */
427 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
428 res, strlen (res), NULL, NULL, NULL);
430 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
431 challenge, 16, NULL, NULL, NULL);
433 g_data_input_stream_read_upto_async (request->data, "\xff", 1, 0, NULL,
434 (GAsyncReadyCallback)got_input, request);
438 start_output (HttpRequest *request)
441 GdkDisplayBroadway *display_broadway;
444 socket = g_socket_connection_get_socket (request->connection);
446 display_broadway = GDK_DISPLAY_BROADWAY (request->display);
447 fd = g_socket_get_fd (socket);
448 set_fd_blocking (fd);
449 display_broadway->output = broadway_client_new (fd);
450 _gdk_broadway_resync_windows ();
452 /* TODO: This leaks the connection since we just keep the fd,
453 we want to avoid using the fd at all here */
454 g_object_ref (request->connection);
455 http_request_free (request);
459 send_error (HttpRequest *request,
465 res = g_strdup_printf ("HTTP/1.0 %d %s\r\n\r\n"
466 "<html><head><title>%d %s</title></head>"
467 "<body>%s</body></html>",
471 /* TODO: This should really be async */
472 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
473 res, strlen (res), NULL, NULL, NULL);
475 http_request_free (request);
479 send_data (HttpRequest *request,
480 const char *mimetype,
481 const char *data, gsize len)
485 res = g_strdup_printf ("HTTP/1.0 200 OK\r\n"
486 "Content-Type: %s\r\n"
487 "Content-Length: %"G_GSIZE_FORMAT"\r\n"
490 /* TODO: This should really be async */
491 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
492 res, strlen (res), NULL, NULL, NULL);
494 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
495 data, len, NULL, NULL, NULL);
496 http_request_free (request);
499 #include "clienthtml.h"
500 #include "broadwayjs.h"
503 got_request (HttpRequest *request)
505 char *start, *escaped, *tmp, *version;
507 if (!g_str_has_prefix (request->request->str, "GET "))
509 send_error (request, 501, "Only GET implemented");
513 start = request->request->str + 4; /* Skip "GET " */
515 while (*start == ' ')
518 for (tmp = start; *tmp != 0 && *tmp != ' ' && *tmp != '\n'; tmp++)
520 escaped = g_strndup (start, tmp - start);
525 while (*start == ' ')
527 for (tmp = start; *tmp != 0 && *tmp != ' ' && *tmp != '\n'; tmp++)
529 version = g_strndup (start, tmp - start);
532 if (strcmp (escaped, "/client.html") == 0 || strcmp (escaped, "/") == 0)
533 send_data (request, "text/html", client_html, G_N_ELEMENTS(client_html) - 1);
534 else if (strcmp (escaped, "/broadway.js") == 0)
535 send_data (request, "text/javascript", broadway_js, G_N_ELEMENTS(broadway_js) - 1);
536 else if (strcmp (escaped, "/output") == 0)
537 start_output (request);
538 else if (strcmp (escaped, "/input") == 0)
539 start_input (request);
541 send_error (request, 404, "File not found");
545 got_http_request_line (GInputStream *stream,
546 GAsyncResult *result,
547 HttpRequest *request)
551 line = g_data_input_stream_read_line_finish (G_DATA_INPUT_STREAM (stream), result, NULL, NULL);
554 http_request_free (request);
555 g_printerr ("Error reading request lines\n");
558 if (strlen (line) == 0)
559 got_request (request);
562 /* Protect against overflow in request length */
563 if (request->request->len > 1024 * 5)
565 send_error (request, 400, "Request to long");
569 g_string_append_printf (request->request, "%s\n", line);
570 g_data_input_stream_read_line_async (request->data, 0, NULL,
571 (GAsyncReadyCallback)got_http_request_line, request);
578 handle_incoming_connection (GSocketService *service,
579 GSocketConnection *connection,
580 GObject *source_object)
582 HttpRequest *request;
585 request = g_new0 (HttpRequest, 1);
586 request->connection = g_object_ref (connection);
587 request->display = (GdkDisplay *) source_object;
588 request->request = g_string_new ("");
590 in = g_io_stream_get_input_stream (G_IO_STREAM (connection));
592 request->data = g_data_input_stream_new (in);
593 g_filter_input_stream_set_close_base_stream (G_FILTER_INPUT_STREAM (request->data), FALSE);
594 /* Be tolerant of input */
595 g_data_input_stream_set_newline_type (request->data, G_DATA_STREAM_NEWLINE_TYPE_ANY);
597 g_data_input_stream_read_line_async (request->data, 0, NULL,
598 (GAsyncReadyCallback)got_http_request_line, request);
603 gdk_display_open (const gchar *display_name)
606 GdkDisplayBroadway *display_broadway;
607 const char *sm_client_id;
610 display = g_object_new (GDK_TYPE_DISPLAY_BROADWAY, NULL);
611 display_broadway = GDK_DISPLAY_BROADWAY (display);
613 display_broadway->output = NULL;
615 /* initialize the display's screens */
616 display_broadway->screens = g_new (GdkScreen *, 1);
617 display_broadway->screens[0] = _gdk_broadway_screen_new (display, 0);
619 /* We need to initialize events after we have the screen
620 * structures in places
622 _gdk_screen_broadway_events_init (display_broadway->screens[0]);
624 /*set the default screen */
625 display_broadway->default_screen = display_broadway->screens[0];
627 display->device_manager = _gdk_device_manager_new (display);
629 _gdk_event_init (display);
631 sm_client_id = _gdk_get_sm_client_id ();
633 _gdk_windowing_display_set_sm_client_id (display, sm_client_id);
635 _gdk_input_init (display);
636 _gdk_dnd_init (display);
638 _gdk_broadway_screen_setup (display_broadway->screens[0]);
640 display_broadway->service = g_socket_service_new ();
641 if (!g_socket_listener_add_inet_port (G_SOCKET_LISTENER (display_broadway->service),
646 g_printerr ("Unable to listen to port %d: %s\n", 8080, error->message);
647 g_error_free (error);
650 g_signal_connect (display_broadway->service, "incoming", G_CALLBACK (handle_incoming_connection), NULL);
652 g_signal_emit_by_name (display, "opened");
653 g_signal_emit_by_name (gdk_display_manager_get (), "display-opened", display);
659 G_CONST_RETURN gchar *
660 gdk_display_get_name (GdkDisplay *display)
662 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
664 return (gchar *) "Broadway";
668 gdk_display_get_n_screens (GdkDisplay *display)
670 g_return_val_if_fail (GDK_IS_DISPLAY (display), 0);
676 gdk_display_get_screen (GdkDisplay *display,
679 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
680 g_return_val_if_fail (screen_num == 0, NULL);
682 return GDK_DISPLAY_BROADWAY (display)->screens[screen_num];
686 gdk_display_get_default_screen (GdkDisplay *display)
688 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
690 return GDK_DISPLAY_BROADWAY (display)->default_screen;
694 gdk_device_ungrab (GdkDevice *device,
700 gdk_display_beep (GdkDisplay *display)
702 g_return_if_fail (GDK_IS_DISPLAY (display));
706 gdk_display_sync (GdkDisplay *display)
708 g_return_if_fail (GDK_IS_DISPLAY (display));
713 gdk_display_flush (GdkDisplay *display)
715 g_return_if_fail (GDK_IS_DISPLAY (display));
720 gdk_display_get_default_group (GdkDisplay *display)
722 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
728 gdk_broadway_display_grab (GdkDisplay *display)
733 gdk_broadway_display_ungrab (GdkDisplay *display)
738 gdk_display_broadway_dispose (GObject *object)
740 GdkDisplayBroadway *display_broadway = GDK_DISPLAY_BROADWAY (object);
742 g_list_foreach (display_broadway->input_devices, (GFunc) g_object_run_dispose, NULL);
744 _gdk_screen_close (display_broadway->screens[0]);
746 if (display_broadway->event_source)
748 g_source_destroy (display_broadway->event_source);
749 g_source_unref (display_broadway->event_source);
750 display_broadway->event_source = NULL;
753 G_OBJECT_CLASS (_gdk_display_broadway_parent_class)->dispose (object);
757 gdk_display_broadway_finalize (GObject *object)
759 GdkDisplayBroadway *display_broadway = GDK_DISPLAY_BROADWAY (object);
762 if (display_broadway->keymap)
763 g_object_unref (display_broadway->keymap);
765 _gdk_broadway_cursor_display_finalize (GDK_DISPLAY_OBJECT(display_broadway));
768 g_hash_table_destroy (display_broadway->atom_from_virtual);
769 g_hash_table_destroy (display_broadway->atom_to_virtual);
771 /* input GdkDevice list */
772 g_list_foreach (display_broadway->input_devices, (GFunc) g_object_unref, NULL);
773 g_list_free (display_broadway->input_devices);
774 /* Free all GdkScreens */
775 g_object_unref (display_broadway->screens[0]);
776 g_free (display_broadway->screens);
778 G_OBJECT_CLASS (_gdk_display_broadway_parent_class)->finalize (object);
782 _gdk_windowing_set_default_display (GdkDisplay *display)
787 gdk_notify_startup_complete (void)
792 gdk_notify_startup_complete_with_id (const gchar* startup_id)
797 gdk_display_supports_selection_notification (GdkDisplay *display)
803 gdk_display_request_selection_notification (GdkDisplay *display,
811 gdk_display_supports_clipboard_persistence (GdkDisplay *display)
817 gdk_display_store_clipboard (GdkDisplay *display,
818 GdkWindow *clipboard_window,
820 const GdkAtom *targets,
826 gdk_broadway_display_get_user_time (GdkDisplay *display)
828 return GDK_DISPLAY_BROADWAY (display)->user_time;
832 gdk_display_supports_shapes (GdkDisplay *display)
838 gdk_display_supports_input_shapes (GdkDisplay *display)
844 gdk_display_supports_composite (GdkDisplay *display)
850 gdk_display_list_devices (GdkDisplay *display)
852 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
854 return GDK_DISPLAY_BROADWAY (display)->input_devices;
858 gdk_event_send_client_message_for_display (GdkDisplay *display,
860 GdkNativeWindow winid)
866 gdk_display_add_client_message_filter (GdkDisplay *display,
867 GdkAtom message_type,
874 gdk_add_client_message_filter (GdkAtom message_type,
883 GSList *tmp_list = _gdk_displays;
887 gdk_display_flush (GDK_DISPLAY_OBJECT (tmp_list->data));
888 tmp_list = tmp_list->next;
893 _gdk_windowing_window_get_next_serial (GdkDisplay *display)