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)
180 GdkWindow *root, *window;
183 GError *error = NULL;
184 int x, y, button, id;
186 GdkEvent *event = NULL;
189 GdkDisplayBroadway *display_broadway = GDK_DISPLAY_BROADWAY (request->display);
191 message = g_data_input_stream_read_upto_finish (G_DATA_INPUT_STREAM (stream), result, &len, &error);
194 g_print (error->message);
195 g_error_free (error);
198 g_assert (message[0] == 0);
200 screen = gdk_display_get_default_screen (request->display);
201 root = gdk_screen_get_root_window (screen);
207 id = strtol(p, &p, 10);
209 x = strtol(p, &p, 10);
211 y = strtol(p, &p, 10);
213 time = strtol(p, &p, 10);
214 display_broadway->last_x = x;
215 display_broadway->last_y = y;
217 window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (id));
219 if (display_broadway->mouse_in_toplevel != window)
221 if (display_broadway->mouse_in_toplevel != NULL)
223 event = gdk_event_new (GDK_LEAVE_NOTIFY);
224 event->crossing.window = g_object_ref (display_broadway->mouse_in_toplevel);
225 event->crossing.time = time;
226 event->crossing.x = x - GDK_WINDOW_OBJECT (display_broadway->mouse_in_toplevel)->x;
227 event->crossing.y = y - GDK_WINDOW_OBJECT (display_broadway->mouse_in_toplevel)->y;
228 event->crossing.x_root = x;
229 event->crossing.y_root = y;
230 event->crossing.mode = GDK_CROSSING_NORMAL;
231 event->crossing.detail = GDK_NOTIFY_ANCESTOR;
232 gdk_event_set_device (event, request->display->core_pointer);
234 node = _gdk_event_queue_append (request->display, event);
235 _gdk_windowing_got_event (request->display, node, event, 0);
237 event = gdk_event_new (GDK_FOCUS_CHANGE);
238 event->focus_change.window = g_object_ref (display_broadway->mouse_in_toplevel);
239 event->focus_change.in = FALSE;
240 gdk_event_set_device (event, request->display->core_pointer);
242 node = _gdk_event_queue_append (request->display, event);
243 _gdk_windowing_got_event (request->display, node, event, 0);
246 /* TODO: Unset when it dies */
247 display_broadway->mouse_in_toplevel = window;
251 event = gdk_event_new (GDK_ENTER_NOTIFY);
252 event->crossing.window = g_object_ref (window);
253 event->crossing.time = time;
254 event->crossing.x = x - GDK_WINDOW_OBJECT (window)->x;
255 event->crossing.y = y - GDK_WINDOW_OBJECT (window)->y;
256 event->crossing.x_root = x;
257 event->crossing.y_root = y;
258 event->crossing.mode = GDK_CROSSING_NORMAL;
259 event->crossing.detail = GDK_NOTIFY_ANCESTOR;
260 gdk_event_set_device (event, request->display->core_pointer);
262 node = _gdk_event_queue_append (request->display, event);
263 _gdk_windowing_got_event (request->display, node, event, 0);
265 event = gdk_event_new (GDK_FOCUS_CHANGE);
266 event->focus_change.window = g_object_ref (window);
267 event->focus_change.in = TRUE;
268 gdk_event_set_device (event, request->display->core_pointer);
270 node = _gdk_event_queue_append (request->display, event);
271 _gdk_windowing_got_event (request->display, node, event, 0);
278 event = gdk_event_new (GDK_MOTION_NOTIFY);
279 event->motion.window = g_object_ref (window);
280 event->motion.time = time;
281 event->motion.x = x - GDK_WINDOW_OBJECT (window)->x;
282 event->motion.y = y - GDK_WINDOW_OBJECT (window)->y;
283 event->motion.x_root = x;
284 event->motion.y_root = y;
285 gdk_event_set_device (event, request->display->core_pointer);
287 node = _gdk_event_queue_append (request->display, event);
288 _gdk_windowing_got_event (request->display, node, event, 0);
294 id = strtol(p, &p, 10);
296 x = strtol(p, &p, 10);
298 y = strtol(p, &p, 10);
300 button = strtol(p, &p, 10);
302 time = strtol(p, &p, 10);
303 display_broadway->last_x = x;
304 display_broadway->last_y = y;
306 window = g_hash_table_lookup (display_broadway->id_ht, GINT_TO_POINTER (id));
310 event = gdk_event_new (cmd == 'b' ? GDK_BUTTON_PRESS : GDK_BUTTON_RELEASE);
311 event->button.window = g_object_ref (window);
312 event->button.time = time;
313 event->button.x = x - GDK_WINDOW_OBJECT (window)->x;
314 event->button.y = y - GDK_WINDOW_OBJECT (window)->y;
315 event->button.x_root = x;
316 event->button.y_root = y;
317 event->button.button = button + 1;
318 gdk_event_set_device (event, request->display->core_pointer);
320 node = _gdk_event_queue_append (request->display, event);
321 _gdk_windowing_got_event (request->display, node, event, 0);
327 /* Skip past ending 0xff */
328 g_data_input_stream_read_byte (request->data, NULL, NULL);
329 g_data_input_stream_read_upto_async (request->data, "\xff", 1, 0, NULL,
330 (GAsyncReadyCallback)got_input, request);
334 start_input (HttpRequest *request)
338 int num_key1, num_key2;
342 guint8 challenge[16];
348 lines = g_strsplit (request->request->str, "\n", 0);
356 for (i = 0; lines[i] != NULL; i++)
358 if ((p = parse_line (lines[i], "Sec-WebSocket-Key1")))
363 if (g_ascii_isdigit (*p))
364 key1 = key1 * 10 + g_ascii_digit_value (*p);
373 else if ((p = parse_line (lines[i], "Sec-WebSocket-Key2")))
378 if (g_ascii_isdigit (*p))
379 key2 = key2 * 10 + g_ascii_digit_value (*p);
388 else if ((p = parse_line (lines[i], "Origin")))
392 else if ((p = parse_line (lines[i], "Host")))
399 if (num_key1 != 1 || num_key2 != 1 || origin == NULL || host == NULL)
405 challenge[0] = (key1 >> 24) & 0xff;
406 challenge[1] = (key1 >> 16) & 0xff;
407 challenge[2] = (key1 >> 8) & 0xff;
408 challenge[3] = (key1 >> 0) & 0xff;
409 challenge[4] = (key2 >> 24) & 0xff;
410 challenge[5] = (key2 >> 16) & 0xff;
411 challenge[6] = (key2 >> 8) & 0xff;
412 challenge[7] = (key2 >> 0) & 0xff;
414 if (!g_input_stream_read_all (G_INPUT_STREAM (request->data), challenge+8, 8, NULL, NULL, NULL))
420 checksum = g_checksum_new (G_CHECKSUM_MD5);
421 g_checksum_update (checksum, challenge, 16);
423 g_checksum_get_digest (checksum, challenge, &len);
424 g_checksum_free (checksum);
426 res = g_strdup_printf ("HTTP/1.1 101 WebSocket Protocol Handshake\r\n"
427 "Upgrade: WebSocket\r\n"
428 "Connection: Upgrade\r\n"
429 "Sec-WebSocket-Origin: %s\r\n"
430 "Sec-WebSocket-Location: ws://%s/input\r\n"
431 "Sec-WebSocket-Protocol: broadway\r\n"
435 /* TODO: This should really be async */
436 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
437 res, strlen (res), NULL, NULL, NULL);
439 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
440 challenge, 16, NULL, NULL, NULL);
442 g_data_input_stream_read_upto_async (request->data, "\xff", 1, 0, NULL,
443 (GAsyncReadyCallback)got_input, request);
447 start_output (HttpRequest *request)
450 GdkDisplayBroadway *display_broadway;
453 socket = g_socket_connection_get_socket (request->connection);
455 display_broadway = GDK_DISPLAY_BROADWAY (request->display);
456 fd = g_socket_get_fd (socket);
457 set_fd_blocking (fd);
458 display_broadway->output = broadway_client_new (fd);
459 _gdk_broadway_resync_windows ();
461 /* TODO: This leaks the connection since we just keep the fd,
462 we want to avoid using the fd at all here */
463 g_object_ref (request->connection);
464 http_request_free (request);
468 send_error (HttpRequest *request,
474 res = g_strdup_printf ("HTTP/1.0 %d %s\r\n\r\n"
475 "<html><head><title>%d %s</title></head>"
476 "<body>%s</body></html>",
480 /* TODO: This should really be async */
481 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
482 res, strlen (res), NULL, NULL, NULL);
484 http_request_free (request);
488 send_data (HttpRequest *request,
489 const char *mimetype,
490 const char *data, gsize len)
494 res = g_strdup_printf ("HTTP/1.0 200 OK\r\n"
495 "Content-Type: %s\r\n"
496 "Content-Length: %"G_GSIZE_FORMAT"\r\n"
499 /* TODO: This should really be async */
500 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
501 res, strlen (res), NULL, NULL, NULL);
503 g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
504 data, len, NULL, NULL, NULL);
505 http_request_free (request);
508 #include "clienthtml.h"
509 #include "broadwayjs.h"
512 got_request (HttpRequest *request)
514 char *start, *escaped, *tmp, *version;
516 if (!g_str_has_prefix (request->request->str, "GET "))
518 send_error (request, 501, "Only GET implemented");
522 start = request->request->str + 4; /* Skip "GET " */
524 while (*start == ' ')
527 for (tmp = start; *tmp != 0 && *tmp != ' ' && *tmp != '\n'; tmp++)
529 escaped = g_strndup (start, tmp - start);
534 while (*start == ' ')
536 for (tmp = start; *tmp != 0 && *tmp != ' ' && *tmp != '\n'; tmp++)
538 version = g_strndup (start, tmp - start);
541 if (strcmp (escaped, "/client.html") == 0 || strcmp (escaped, "/") == 0)
542 send_data (request, "text/html", client_html, G_N_ELEMENTS(client_html) - 1);
543 else if (strcmp (escaped, "/broadway.js") == 0)
544 send_data (request, "text/javascript", broadway_js, G_N_ELEMENTS(broadway_js) - 1);
545 else if (strcmp (escaped, "/output") == 0)
546 start_output (request);
547 else if (strcmp (escaped, "/input") == 0)
548 start_input (request);
550 send_error (request, 404, "File not found");
554 got_http_request_line (GInputStream *stream,
555 GAsyncResult *result,
556 HttpRequest *request)
560 line = g_data_input_stream_read_line_finish (G_DATA_INPUT_STREAM (stream), result, NULL, NULL);
563 http_request_free (request);
564 g_printerr ("Error reading request lines\n");
567 if (strlen (line) == 0)
568 got_request (request);
571 /* Protect against overflow in request length */
572 if (request->request->len > 1024 * 5)
574 send_error (request, 400, "Request to long");
578 g_string_append_printf (request->request, "%s\n", line);
579 g_data_input_stream_read_line_async (request->data, 0, NULL,
580 (GAsyncReadyCallback)got_http_request_line, request);
587 handle_incoming_connection (GSocketService *service,
588 GSocketConnection *connection,
589 GObject *source_object)
591 HttpRequest *request;
594 request = g_new0 (HttpRequest, 1);
595 request->connection = g_object_ref (connection);
596 request->display = (GdkDisplay *) source_object;
597 request->request = g_string_new ("");
599 in = g_io_stream_get_input_stream (G_IO_STREAM (connection));
601 request->data = g_data_input_stream_new (in);
602 g_filter_input_stream_set_close_base_stream (G_FILTER_INPUT_STREAM (request->data), FALSE);
603 /* Be tolerant of input */
604 g_data_input_stream_set_newline_type (request->data, G_DATA_STREAM_NEWLINE_TYPE_ANY);
606 g_data_input_stream_read_line_async (request->data, 0, NULL,
607 (GAsyncReadyCallback)got_http_request_line, request);
612 gdk_display_open (const gchar *display_name)
615 GdkDisplayBroadway *display_broadway;
616 const char *sm_client_id;
619 display = g_object_new (GDK_TYPE_DISPLAY_BROADWAY, NULL);
620 display_broadway = GDK_DISPLAY_BROADWAY (display);
622 display_broadway->output = NULL;
624 /* initialize the display's screens */
625 display_broadway->screens = g_new (GdkScreen *, 1);
626 display_broadway->screens[0] = _gdk_broadway_screen_new (display, 0);
628 /* We need to initialize events after we have the screen
629 * structures in places
631 _gdk_screen_broadway_events_init (display_broadway->screens[0]);
633 /*set the default screen */
634 display_broadway->default_screen = display_broadway->screens[0];
636 display->device_manager = _gdk_device_manager_new (display);
638 _gdk_event_init (display);
640 sm_client_id = _gdk_get_sm_client_id ();
642 _gdk_windowing_display_set_sm_client_id (display, sm_client_id);
644 _gdk_input_init (display);
645 _gdk_dnd_init (display);
647 _gdk_broadway_screen_setup (display_broadway->screens[0]);
649 display_broadway->service = g_socket_service_new ();
650 if (!g_socket_listener_add_inet_port (G_SOCKET_LISTENER (display_broadway->service),
655 g_printerr ("Unable to listen to port %d: %s\n", 8080, error->message);
656 g_error_free (error);
659 g_signal_connect (display_broadway->service, "incoming", G_CALLBACK (handle_incoming_connection), NULL);
661 g_signal_emit_by_name (display, "opened");
662 g_signal_emit_by_name (gdk_display_manager_get (), "display-opened", display);
668 G_CONST_RETURN gchar *
669 gdk_display_get_name (GdkDisplay *display)
671 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
673 return (gchar *) "Broadway";
677 gdk_display_get_n_screens (GdkDisplay *display)
679 g_return_val_if_fail (GDK_IS_DISPLAY (display), 0);
685 gdk_display_get_screen (GdkDisplay *display,
688 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
689 g_return_val_if_fail (screen_num == 0, NULL);
691 return GDK_DISPLAY_BROADWAY (display)->screens[screen_num];
695 gdk_display_get_default_screen (GdkDisplay *display)
697 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
699 return GDK_DISPLAY_BROADWAY (display)->default_screen;
703 gdk_device_ungrab (GdkDevice *device,
709 gdk_display_beep (GdkDisplay *display)
711 g_return_if_fail (GDK_IS_DISPLAY (display));
715 gdk_display_sync (GdkDisplay *display)
717 g_return_if_fail (GDK_IS_DISPLAY (display));
722 gdk_display_flush (GdkDisplay *display)
724 g_return_if_fail (GDK_IS_DISPLAY (display));
729 gdk_display_get_default_group (GdkDisplay *display)
731 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
737 gdk_broadway_display_grab (GdkDisplay *display)
742 gdk_broadway_display_ungrab (GdkDisplay *display)
747 gdk_display_broadway_dispose (GObject *object)
749 GdkDisplayBroadway *display_broadway = GDK_DISPLAY_BROADWAY (object);
751 g_list_foreach (display_broadway->input_devices, (GFunc) g_object_run_dispose, NULL);
753 _gdk_screen_close (display_broadway->screens[0]);
755 if (display_broadway->event_source)
757 g_source_destroy (display_broadway->event_source);
758 g_source_unref (display_broadway->event_source);
759 display_broadway->event_source = NULL;
762 G_OBJECT_CLASS (_gdk_display_broadway_parent_class)->dispose (object);
766 gdk_display_broadway_finalize (GObject *object)
768 GdkDisplayBroadway *display_broadway = GDK_DISPLAY_BROADWAY (object);
771 if (display_broadway->keymap)
772 g_object_unref (display_broadway->keymap);
774 _gdk_broadway_cursor_display_finalize (GDK_DISPLAY_OBJECT(display_broadway));
777 g_hash_table_destroy (display_broadway->atom_from_virtual);
778 g_hash_table_destroy (display_broadway->atom_to_virtual);
780 /* input GdkDevice list */
781 g_list_foreach (display_broadway->input_devices, (GFunc) g_object_unref, NULL);
782 g_list_free (display_broadway->input_devices);
783 /* Free all GdkScreens */
784 g_object_unref (display_broadway->screens[0]);
785 g_free (display_broadway->screens);
787 G_OBJECT_CLASS (_gdk_display_broadway_parent_class)->finalize (object);
791 _gdk_windowing_set_default_display (GdkDisplay *display)
796 gdk_notify_startup_complete (void)
801 gdk_notify_startup_complete_with_id (const gchar* startup_id)
806 gdk_display_supports_selection_notification (GdkDisplay *display)
812 gdk_display_request_selection_notification (GdkDisplay *display,
820 gdk_display_supports_clipboard_persistence (GdkDisplay *display)
826 gdk_display_store_clipboard (GdkDisplay *display,
827 GdkWindow *clipboard_window,
829 const GdkAtom *targets,
835 gdk_broadway_display_get_user_time (GdkDisplay *display)
837 return GDK_DISPLAY_BROADWAY (display)->user_time;
841 gdk_display_supports_shapes (GdkDisplay *display)
847 gdk_display_supports_input_shapes (GdkDisplay *display)
853 gdk_display_supports_composite (GdkDisplay *display)
859 gdk_display_list_devices (GdkDisplay *display)
861 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
863 return GDK_DISPLAY_BROADWAY (display)->input_devices;
867 gdk_event_send_client_message_for_display (GdkDisplay *display,
869 GdkNativeWindow winid)
875 gdk_display_add_client_message_filter (GdkDisplay *display,
876 GdkAtom message_type,
883 gdk_add_client_message_filter (GdkAtom message_type,
892 GSList *tmp_list = _gdk_displays;
896 gdk_display_flush (GDK_DISPLAY_OBJECT (tmp_list->data));
897 tmp_list = tmp_list->next;
902 _gdk_windowing_window_get_next_serial (GdkDisplay *display)