/* GDK - The GIMP Drawing Kit * gdkdisplay-broadway.c * * Copyright 2001 Sun Microsystems Inc. * Copyright (C) 2004 Nokia Corporation * * Erwann Chenede * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include "config.h" #include "gdkdisplay-broadway.h" #include "gdkdisplay.h" #include "gdkeventsource.h" #include "gdkscreen.h" #include "gdkscreen-broadway.h" #include "gdkinternals.h" #include "gdkdeviceprivate.h" #include "gdkdevicemanager-broadway.h" #include #include #include #include #include #include static void gdk_broadway_display_dispose (GObject *object); static void gdk_broadway_display_finalize (GObject *object); G_DEFINE_TYPE (GdkBroadwayDisplay, gdk_broadway_display, GDK_TYPE_DISPLAY) static void gdk_broadway_display_init (GdkBroadwayDisplay *display) { _gdk_broadway_display_manager_add_display (gdk_display_manager_get (), GDK_DISPLAY_OBJECT (display)); display->id_ht = g_hash_table_new (NULL, NULL); } static void gdk_event_init (GdkDisplay *display) { GdkBroadwayDisplay *broadway_display; broadway_display = GDK_BROADWAY_DISPLAY (display); broadway_display->event_source = _gdk_broadway_event_source_new (display); broadway_display->saved_serial = 1; } static void gdk_broadway_display_init_input (GdkDisplay *display) { GdkBroadwayDisplay *broadway_display; GdkDeviceManager *device_manager; GdkDevice *device; GList *list, *l; broadway_display = GDK_BROADWAY_DISPLAY (display); device_manager = gdk_display_get_device_manager (display); /* For backwards compatibility, just add * floating devices that are not keyboards. */ list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_FLOATING); for (l = list; l; l = l->next) { device = l->data; if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD) continue; broadway_display->input_devices = g_list_prepend (broadway_display->input_devices, g_object_ref (l->data)); } g_list_free (list); /* Now set "core" pointer to the first * master device that is a pointer. */ list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER); for (l = list; l; l = l->next) { device = list->data; if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE) continue; display->core_pointer = device; break; } /* Add the core pointer to the devices list */ broadway_display->input_devices = g_list_prepend (broadway_display->input_devices, g_object_ref (display->core_pointer)); g_list_free (list); } typedef struct HttpRequest { GdkDisplay *display; GSocketConnection *connection; GDataInputStream *data; GString *request; } HttpRequest; static void http_request_free (HttpRequest *request) { g_object_unref (request->connection); g_object_unref (request->data); g_string_free (request->request, TRUE); g_free (request); } struct BroadwayInput { GdkDisplay *display; GSocketConnection *connection; GByteArray *buffer; GSource *source; }; static void broadway_input_free (BroadwayInput *input) { g_object_unref (input->connection); g_byte_array_free (input->buffer, FALSE); g_source_destroy (input->source); g_free (input); } static void process_input_messages (GdkBroadwayDisplay *broadway_display) { BroadwayInputMsg *message; while (broadway_display->input_messages) { message = broadway_display->input_messages->data; broadway_display->input_messages = g_list_delete_link (broadway_display->input_messages, broadway_display->input_messages); _gdk_broadway_events_got_input (GDK_DISPLAY (broadway_display), message); g_free (message); } } static char * parse_pointer_data (char *p, BroadwayInputPointerMsg *data) { data->mouse_window_id = strtol (p, &p, 10); p++; /* Skip , */ data->event_window_id = strtol (p, &p, 10); p++; /* Skip , */ data->root_x = strtol (p, &p, 10); p++; /* Skip , */ data->root_y = strtol (p, &p, 10); p++; /* Skip , */ data->win_x = strtol (p, &p, 10); p++; /* Skip , */ data->win_y = strtol (p, &p, 10); p++; /* Skip , */ data->state = strtol (p, &p, 10); return p; } static void parse_input_message (BroadwayInput *input, const char *message) { GdkBroadwayDisplay *broadway_display; BroadwayInputMsg msg; char *p; broadway_display = GDK_BROADWAY_DISPLAY (input->display); p = (char *)message; msg.base.type = *p++; msg.base.serial = (guint32)strtol (p, &p, 10); p++; /* Skip , */ msg.base.time = strtol(p, &p, 10); p++; /* Skip , */ switch (msg.base.type) { case 'e': /* Enter */ case 'l': /* Leave */ p = parse_pointer_data (p, &msg.pointer); p++; /* Skip , */ msg.crossing.mode = strtol(p, &p, 10); break; case 'm': /* Mouse move */ p = parse_pointer_data (p, &msg.pointer); break; case 'b': case 'B': p = parse_pointer_data (p, &msg.pointer); p++; /* Skip , */ msg.button.button = strtol(p, &p, 10); break; case 's': p = parse_pointer_data (p, &msg.pointer); p++; /* Skip , */ msg.scroll.dir = strtol(p, &p, 10); break; case 'k': case 'K': msg.key.key = strtol(p, &p, 10); break; case 'g': case 'u': msg.grab_reply.res = strtol(p, &p, 10); break; case 'q': msg.query_reply.root_x = strtol(p, &p, 10); p++; /* Skip , */ msg.query_reply.root_y = strtol(p, &p, 10); p++; /* Skip , */ msg.query_reply.win_x = strtol(p, &p, 10); p++; /* Skip , */ msg.query_reply.win_y = strtol(p, &p, 10); p++; /* Skip , */ msg.query_reply.window_with_mouse = strtol(p, &p, 10); break; default: g_printerr ("Unknown input command %s\n", message); break; } broadway_display->input_messages = g_list_append (broadway_display->input_messages, g_memdup (&msg, sizeof (msg))); } static void parse_input (BroadwayInput *input) { GdkBroadwayDisplay *broadway_display; char *buf, *ptr; gsize len; broadway_display = GDK_BROADWAY_DISPLAY (input->display); buf = (char *)input->buffer->data; len = input->buffer->len; if (len == 0) return; if (buf[0] != 0) { broadway_display->input = NULL; broadway_input_free (input); return; } while ((ptr = memchr (buf, 0xff, len)) != NULL) { *ptr = 0; ptr++; parse_input_message (input, buf + 1); len -= ptr - buf; buf = ptr; if (len > 0 && buf[0] != 0) { broadway_display->input = NULL; broadway_input_free (input); break; } } g_byte_array_remove_range (input->buffer, 0, buf - (char *)input->buffer->data); } static gboolean process_input_idle_cb (GdkBroadwayDisplay *display) { process_input_messages (display); return FALSE; } static void _gdk_broadway_display_read_all_input_nonblocking (GdkDisplay *display ) { GdkBroadwayDisplay *broadway_display; GInputStream *in; gssize res; guint8 buffer[1024]; GError *error; BroadwayInput *input; broadway_display = GDK_BROADWAY_DISPLAY (display); if (broadway_display->input == NULL) return; input = broadway_display->input; in = g_io_stream_get_input_stream (G_IO_STREAM (input->connection)); error = NULL; res = g_pollable_input_stream_read_nonblocking (G_POLLABLE_INPUT_STREAM (in), buffer, sizeof (buffer), NULL, &error); if (res <= 0) { if (res < 0 && g_error_matches (error, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK)) { g_error_free (error); return; } broadway_display->input = NULL; broadway_input_free (input); if (res < 0) { g_print ("input error %s", error->message); g_error_free (error); } return; } g_byte_array_append (input->buffer, buffer, res); parse_input (input); } static gboolean input_data_cb (GObject *stream, BroadwayInput *input) { GdkBroadwayDisplay *broadway_display; broadway_display = GDK_BROADWAY_DISPLAY (input->display); _gdk_broadway_display_read_all_input_nonblocking (input->display); process_input_messages (broadway_display); return TRUE; } /* Note: This may be called while handling a message (i.e. sorta recursively) */ BroadwayInputMsg * _gdk_broadway_display_block_for_input (GdkDisplay *display, char op, guint32 serial, gboolean remove_message) { GdkBroadwayDisplay *broadway_display; BroadwayInputMsg *message; gboolean queued_idle; gssize res; guint8 buffer[1024]; BroadwayInput *input; GInputStream *in; GList *l; queued_idle = FALSE; gdk_display_flush (display); broadway_display = GDK_BROADWAY_DISPLAY (display); if (broadway_display->input == NULL) return NULL; input = broadway_display->input; while (TRUE) { /* Check for existing reply in queue */ for (l = broadway_display->input_messages; l != NULL; l = l->next) { message = l->data; if (message->base.type == op) { if (message->base.serial == serial) { if (remove_message) broadway_display->input_messages = g_list_delete_link (broadway_display->input_messages, l); return message; } } } /* Not found, read more, blocking */ in = g_io_stream_get_input_stream (G_IO_STREAM (input->connection)); res = g_input_stream_read (in, buffer, sizeof (buffer), NULL, NULL); if (res <= 0) return NULL; g_byte_array_append (input->buffer, buffer, res); parse_input (input); /* Since we're parsing input but not processing the resulting messages we might not get a readable callback on the stream, so queue an idle to process the messages */ if (!queued_idle) { queued_idle = TRUE; g_idle_add_full (G_PRIORITY_DEFAULT, (GSourceFunc)process_input_idle_cb, display, NULL); } } } #include #include static void set_fd_blocking (int fd) { glong arg; if ((arg = fcntl (fd, F_GETFL, NULL)) < 0) arg = 0; arg = arg & ~O_NONBLOCK; fcntl (fd, F_SETFL, arg); } static char * parse_line (char *line, char *key) { char *p; if (!g_str_has_prefix (line, key)) return NULL; p = line + strlen (key); if (*p != ':') return NULL; p++; /* Skip optional initial space */ if (*p == ' ') p++; return p; } static void send_error (HttpRequest *request, int error_code, const char *reason) { char *res; res = g_strdup_printf ("HTTP/1.0 %d %s\r\n\r\n" "%d %s" "%s", error_code, reason, error_code, reason, reason); /* TODO: This should really be async */ g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)), res, strlen (res), NULL, NULL, NULL); g_free (res); http_request_free (request); } static void start_input (HttpRequest *request) { char **lines; char *p; int num_key1, num_key2; guint64 key1, key2; int num_space; int i; guint8 challenge[16]; char *res; gsize len; GChecksum *checksum; char *origin, *host; GdkBroadwayDisplay *broadway_display; BroadwayInput *input; const void *data_buffer; gsize data_buffer_size; GInputStream *in; broadway_display = GDK_BROADWAY_DISPLAY (request->display); if (broadway_display->input != NULL) { send_error (request, 409, "Input already handled"); return; } lines = g_strsplit (request->request->str, "\n", 0); num_key1 = 0; num_key2 = 0; key1 = 0; key2 = 0; origin = NULL; host = NULL; for (i = 0; lines[i] != NULL; i++) { if ((p = parse_line (lines[i], "Sec-WebSocket-Key1"))) { num_space = 0; while (*p != 0) { if (g_ascii_isdigit (*p)) key1 = key1 * 10 + g_ascii_digit_value (*p); else if (*p == ' ') num_space++; p++; } key1 /= num_space; num_key1++; } else if ((p = parse_line (lines[i], "Sec-WebSocket-Key2"))) { num_space = 0; while (*p != 0) { if (g_ascii_isdigit (*p)) key2 = key2 * 10 + g_ascii_digit_value (*p); else if (*p == ' ') num_space++; p++; } key2 /= num_space; num_key2++; } else if ((p = parse_line (lines[i], "Origin"))) { origin = p; } else if ((p = parse_line (lines[i], "Host"))) { host = p; } } if (num_key1 != 1 || num_key2 != 1 || origin == NULL || host == NULL) { g_strfreev (lines); send_error (request, 400, "Bad websocket request"); return; } challenge[0] = (key1 >> 24) & 0xff; challenge[1] = (key1 >> 16) & 0xff; challenge[2] = (key1 >> 8) & 0xff; challenge[3] = (key1 >> 0) & 0xff; challenge[4] = (key2 >> 24) & 0xff; challenge[5] = (key2 >> 16) & 0xff; challenge[6] = (key2 >> 8) & 0xff; challenge[7] = (key2 >> 0) & 0xff; if (!g_input_stream_read_all (G_INPUT_STREAM (request->data), challenge+8, 8, NULL, NULL, NULL)) { g_strfreev (lines); send_error (request, 400, "Bad websocket request"); return; } checksum = g_checksum_new (G_CHECKSUM_MD5); g_checksum_update (checksum, challenge, 16); len = 16; g_checksum_get_digest (checksum, challenge, &len); g_checksum_free (checksum); res = g_strdup_printf ("HTTP/1.1 101 WebSocket Protocol Handshake\r\n" "Upgrade: WebSocket\r\n" "Connection: Upgrade\r\n" "Sec-WebSocket-Origin: %s\r\n" "Sec-WebSocket-Location: ws://%s/input\r\n" "Sec-WebSocket-Protocol: broadway\r\n" "\r\n", origin, host); g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)), res, strlen (res), NULL, NULL, NULL); g_free (res); g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)), challenge, 16, NULL, NULL, NULL); input = g_new0 (BroadwayInput, 1); input->display = request->display; input->connection = g_object_ref (request->connection); data_buffer = g_buffered_input_stream_peek_buffer (G_BUFFERED_INPUT_STREAM (request->data), &data_buffer_size); input->buffer = g_byte_array_sized_new (data_buffer_size); g_byte_array_append (input->buffer, data_buffer, data_buffer_size); broadway_display->input = input; /* This will free and close the data input stream, but we got all the buffered content already */ http_request_free (request); in = g_io_stream_get_input_stream (G_IO_STREAM (input->connection)); input->source = g_pollable_input_stream_create_source (G_POLLABLE_INPUT_STREAM (in), NULL); g_source_set_callback (input->source, (GSourceFunc)input_data_cb, input, NULL); g_source_attach (input->source, NULL); /* Process any data in the pipe already */ parse_input (input); process_input_messages (broadway_display); g_strfreev (lines); } static void start_output (HttpRequest *request) { GSocket *socket; GdkBroadwayDisplay *broadway_display; int fd; socket = g_socket_connection_get_socket (request->connection); broadway_display = GDK_BROADWAY_DISPLAY (request->display); fd = g_socket_get_fd (socket); set_fd_blocking (fd); /* We dup this because otherwise it'll be closed with the request SocketConnection */ if (broadway_display->output) { broadway_display->saved_serial = broadway_output_get_next_serial (broadway_display->output); broadway_output_free (broadway_display->output); } broadway_display->output = broadway_output_new (dup(fd), broadway_display->saved_serial); _gdk_broadway_resync_windows (); if (broadway_display->pointer_grab_window) broadway_output_grab_pointer (broadway_display->output, GDK_WINDOW_IMPL_BROADWAY (broadway_display->pointer_grab_window->impl)->id, broadway_display->pointer_grab_owner_events); http_request_free (request); } static void send_data (HttpRequest *request, const char *mimetype, const char *data, gsize len) { char *res; res = g_strdup_printf ("HTTP/1.0 200 OK\r\n" "Content-Type: %s\r\n" "Content-Length: %"G_GSIZE_FORMAT"\r\n" "\r\n", mimetype, len); /* TODO: This should really be async */ g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)), res, strlen (res), NULL, NULL, NULL); g_free (res); g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)), data, len, NULL, NULL, NULL); http_request_free (request); } #include "clienthtml.h" #include "broadwayjs.h" static void got_request (HttpRequest *request) { char *start, *escaped, *tmp, *version; if (!g_str_has_prefix (request->request->str, "GET ")) { send_error (request, 501, "Only GET implemented"); return; } start = request->request->str + 4; /* Skip "GET " */ while (*start == ' ') start++; for (tmp = start; *tmp != 0 && *tmp != ' ' && *tmp != '\n'; tmp++) ; escaped = g_strndup (start, tmp - start); version = NULL; if (*tmp == ' ') { start = tmp; while (*start == ' ') start++; for (tmp = start; *tmp != 0 && *tmp != ' ' && *tmp != '\n'; tmp++) ; version = g_strndup (start, tmp - start); } if (strcmp (escaped, "/client.html") == 0 || strcmp (escaped, "/") == 0) send_data (request, "text/html", client_html, G_N_ELEMENTS(client_html) - 1); else if (strcmp (escaped, "/broadway.js") == 0) send_data (request, "text/javascript", broadway_js, G_N_ELEMENTS(broadway_js) - 1); else if (strcmp (escaped, "/output") == 0) start_output (request); else if (strcmp (escaped, "/input") == 0) start_input (request); else send_error (request, 404, "File not found"); } static void got_http_request_line (GInputStream *stream, GAsyncResult *result, HttpRequest *request) { char *line; line = g_data_input_stream_read_line_finish (G_DATA_INPUT_STREAM (stream), result, NULL, NULL); if (line == NULL) { http_request_free (request); g_printerr ("Error reading request lines\n"); return; } if (strlen (line) == 0) got_request (request); else { /* Protect against overflow in request length */ if (request->request->len > 1024 * 5) { send_error (request, 400, "Request to long"); } else { g_string_append_printf (request->request, "%s\n", line); g_data_input_stream_read_line_async (request->data, 0, NULL, (GAsyncReadyCallback)got_http_request_line, request); } } g_free (line); } static gboolean handle_incoming_connection (GSocketService *service, GSocketConnection *connection, GObject *source_object) { HttpRequest *request; GInputStream *in; request = g_new0 (HttpRequest, 1); request->connection = g_object_ref (connection); request->display = (GdkDisplay *) source_object; request->request = g_string_new (""); in = g_io_stream_get_input_stream (G_IO_STREAM (connection)); request->data = g_data_input_stream_new (in); g_filter_input_stream_set_close_base_stream (G_FILTER_INPUT_STREAM (request->data), FALSE); /* Be tolerant of input */ g_data_input_stream_set_newline_type (request->data, G_DATA_STREAM_NEWLINE_TYPE_ANY); g_data_input_stream_read_line_async (request->data, 0, NULL, (GAsyncReadyCallback)got_http_request_line, request); return TRUE; } GdkDisplay * _gdk_broadway_display_open (const gchar *display_name) { GdkDisplay *display; GdkBroadwayDisplay *broadway_display; GError *error; int port; display = g_object_new (GDK_TYPE_BROADWAY_DISPLAY, NULL); broadway_display = GDK_BROADWAY_DISPLAY (display); broadway_display->output = NULL; /* initialize the display's screens */ broadway_display->screens = g_new (GdkScreen *, 1); broadway_display->screens[0] = _gdk_broadway_screen_new (display, 0); /* We need to initialize events after we have the screen * structures in places */ _gdk_broadway_screen_events_init (broadway_display->screens[0]); /*set the default screen */ broadway_display->default_screen = broadway_display->screens[0]; display->device_manager = _gdk_broadway_device_manager_new (display); gdk_event_init (display); gdk_broadway_display_init_input (display); _gdk_broadway_display_init_dnd (display); _gdk_broadway_screen_setup (broadway_display->screens[0]); if (display_name == NULL) display_name = g_getenv ("BROADWAY_DISPLAY"); port = 0; if (display_name != NULL) port = strtol(display_name, NULL, 10); if (port == 0) port = 8080; broadway_display->service = g_socket_service_new (); if (!g_socket_listener_add_inet_port (G_SOCKET_LISTENER (broadway_display->service), port, G_OBJECT (display), &error)) { g_printerr ("Unable to listen to port %d: %s\n", 8080, error->message); g_error_free (error); return NULL; } g_signal_connect (broadway_display->service, "incoming", G_CALLBACK (handle_incoming_connection), NULL); g_signal_emit_by_name (display, "opened"); g_signal_emit_by_name (gdk_display_manager_get (), "display-opened", display); return display; } static G_CONST_RETURN gchar * gdk_broadway_display_get_name (GdkDisplay *display) { g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL); return (gchar *) "Broadway"; } static gint gdk_broadway_display_get_n_screens (GdkDisplay *display) { g_return_val_if_fail (GDK_IS_DISPLAY (display), 0); return 1; } static GdkScreen * gdk_broadway_display_get_screen (GdkDisplay *display, gint screen_num) { g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL); g_return_val_if_fail (screen_num == 0, NULL); return GDK_BROADWAY_DISPLAY (display)->screens[screen_num]; } static GdkScreen * gdk_broadway_display_get_default_screen (GdkDisplay *display) { g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL); return GDK_BROADWAY_DISPLAY (display)->default_screen; } static void gdk_broadway_display_beep (GdkDisplay *display) { g_return_if_fail (GDK_IS_DISPLAY (display)); } static void gdk_broadway_display_sync (GdkDisplay *display) { g_return_if_fail (GDK_IS_DISPLAY (display)); } static void gdk_broadway_display_flush (GdkDisplay *display) { GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display); g_return_if_fail (GDK_IS_DISPLAY (display)); if (broadway_display->output && !broadway_output_flush (broadway_display->output)) { broadway_display->saved_serial = broadway_output_get_next_serial (broadway_display->output); broadway_output_free (broadway_display->output); broadway_display->output = NULL; } } static gboolean gdk_broadway_display_has_pending (GdkDisplay *display) { return FALSE; } static GdkWindow * gdk_broadway_display_get_default_group (GdkDisplay *display) { g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL); return NULL; } static void gdk_broadway_display_dispose (GObject *object) { GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (object); _gdk_broadway_display_manager_remove_display (gdk_display_manager_get (), GDK_DISPLAY_OBJECT (object)); g_list_foreach (broadway_display->input_devices, (GFunc) g_object_run_dispose, NULL); _gdk_screen_close (broadway_display->screens[0]); if (broadway_display->event_source) { g_source_destroy (broadway_display->event_source); g_source_unref (broadway_display->event_source); broadway_display->event_source = NULL; } G_OBJECT_CLASS (gdk_broadway_display_parent_class)->dispose (object); } static void gdk_broadway_display_finalize (GObject *object) { GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (object); /* Keymap */ if (broadway_display->keymap) g_object_unref (broadway_display->keymap); _gdk_broadway_cursor_display_finalize (GDK_DISPLAY_OBJECT(broadway_display)); /* Atom Hashtable */ g_hash_table_destroy (broadway_display->atom_from_virtual); g_hash_table_destroy (broadway_display->atom_to_virtual); /* input GdkDevice list */ g_list_foreach (broadway_display->input_devices, (GFunc) g_object_unref, NULL); g_list_free (broadway_display->input_devices); /* Free all GdkScreens */ g_object_unref (broadway_display->screens[0]); g_free (broadway_display->screens); G_OBJECT_CLASS (gdk_broadway_display_parent_class)->finalize (object); } void _gdk_broadway_display_make_default (GdkDisplay *display) { } static void gdk_broadway_display_notify_startup_complete (GdkDisplay *display, const gchar *startup_id) { } static gboolean gdk_broadway_display_supports_selection_notification (GdkDisplay *display) { return FALSE; } static gboolean gdk_broadway_display_request_selection_notification (GdkDisplay *display, GdkAtom selection) { return FALSE; } static gboolean gdk_broadway_display_supports_clipboard_persistence (GdkDisplay *display) { return FALSE; } static void gdk_broadway_display_store_clipboard (GdkDisplay *display, GdkWindow *clipboard_window, guint32 time_, const GdkAtom *targets, gint n_targets) { } static gboolean gdk_broadway_display_supports_shapes (GdkDisplay *display) { return FALSE; } static gboolean gdk_broadway_display_supports_input_shapes (GdkDisplay *display) { return FALSE; } static gboolean gdk_broadway_display_supports_composite (GdkDisplay *display) { return FALSE; } static GList * gdk_broadway_display_list_devices (GdkDisplay *display) { g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL); return GDK_BROADWAY_DISPLAY (display)->input_devices; } static gulong gdk_broadway_display_get_next_serial (GdkDisplay *display) { GdkBroadwayDisplay *broadway_display; broadway_display = GDK_BROADWAY_DISPLAY (display); if (broadway_display->output) return broadway_output_get_next_serial (broadway_display->output); return broadway_display->saved_serial; } static void gdk_broadway_display_event_data_copy (GdkDisplay *display, const GdkEvent *src, GdkEvent *dst) { } static void gdk_broadway_display_event_data_free (GdkDisplay *display, GdkEvent *event) { } static void gdk_broadway_display_class_init (GdkBroadwayDisplayClass * class) { GObjectClass *object_class = G_OBJECT_CLASS (class); GdkDisplayClass *display_class = GDK_DISPLAY_CLASS (class); object_class->dispose = gdk_broadway_display_dispose; object_class->finalize = gdk_broadway_display_finalize; display_class->window_type = GDK_TYPE_BROADWAY_WINDOW; display_class->get_name = gdk_broadway_display_get_name; display_class->get_n_screens = gdk_broadway_display_get_n_screens; display_class->get_screen = gdk_broadway_display_get_screen; display_class->get_default_screen = gdk_broadway_display_get_default_screen; display_class->beep = gdk_broadway_display_beep; display_class->sync = gdk_broadway_display_sync; display_class->flush = gdk_broadway_display_flush; display_class->has_pending = gdk_broadway_display_has_pending; display_class->queue_events = _gdk_broadway_display_queue_events; display_class->get_default_group = gdk_broadway_display_get_default_group; display_class->supports_selection_notification = gdk_broadway_display_supports_selection_notification; display_class->request_selection_notification = gdk_broadway_display_request_selection_notification; display_class->supports_clipboard_persistence = gdk_broadway_display_supports_clipboard_persistence; display_class->store_clipboard = gdk_broadway_display_store_clipboard; display_class->supports_shapes = gdk_broadway_display_supports_shapes; display_class->supports_input_shapes = gdk_broadway_display_supports_input_shapes; display_class->supports_composite = gdk_broadway_display_supports_composite; display_class->list_devices = gdk_broadway_display_list_devices; display_class->get_cursor_for_type = _gdk_broadway_display_get_cursor_for_type; display_class->get_cursor_for_name = _gdk_broadway_display_get_cursor_for_name; display_class->get_cursor_for_pixbuf = _gdk_broadway_display_get_cursor_for_pixbuf; display_class->get_default_cursor_size = _gdk_broadway_display_get_default_cursor_size; display_class->get_maximal_cursor_size = _gdk_broadway_display_get_maximal_cursor_size; display_class->supports_cursor_alpha = _gdk_broadway_display_supports_cursor_alpha; display_class->supports_cursor_color = _gdk_broadway_display_supports_cursor_color; display_class->before_process_all_updates = _gdk_broadway_display_before_process_all_updates; display_class->after_process_all_updates = _gdk_broadway_display_after_process_all_updates; display_class->get_next_serial = gdk_broadway_display_get_next_serial; display_class->notify_startup_complete = gdk_broadway_display_notify_startup_complete; display_class->event_data_copy = gdk_broadway_display_event_data_copy; display_class->event_data_free = gdk_broadway_display_event_data_free; display_class->create_window_impl = _gdk_broadway_display_create_window_impl; display_class->get_keymap = _gdk_broadway_display_get_keymap; display_class->get_selection_owner = _gdk_broadway_display_get_selection_owner; display_class->set_selection_owner = _gdk_broadway_display_set_selection_owner; display_class->send_selection_notify = _gdk_broadway_display_send_selection_notify; display_class->get_selection_property = _gdk_broadway_display_get_selection_property; display_class->convert_selection = _gdk_broadway_display_convert_selection; display_class->text_property_to_utf8_list = _gdk_broadway_display_text_property_to_utf8_list; display_class->utf8_to_string_target = _gdk_broadway_display_utf8_to_string_target; }