2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2008, 2009, Codethink Ltd.
6 * Copyright 2001, 2002, 2003 Sun Microsystems Inc.,
7 * Copyright 2001, 2002, 2003 Ximian, Inc.
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.
28 #include <droute/droute.h>
31 #include "accessible-register.h"
33 #include "common/spi-dbus.h"
35 static GArray *listener_ids = NULL;
37 static gint atk_bridge_key_event_listener_id;
38 static gint atk_bridge_focus_tracker_id;
40 /*---------------------------------------------------------------------------*/
42 #define ITF_EVENT_OBJECT "org.freedesktop.atspi.Event.Object"
43 #define ITF_EVENT_WINDOW "org.freedesktop.atspi.Event.Window"
44 #define ITF_EVENT_DOCUMENT "org.freedesktop.atspi.Event.Document"
45 #define ITF_EVENT_FOCUS "org.freedesktop.atspi.Event.Focus"
47 /*---------------------------------------------------------------------------*/
50 set_reply (DBusPendingCall * pending, void *user_data)
52 void **replyptr = (void **) user_data;
54 *replyptr = dbus_pending_call_steal_reply (pending);
58 send_and_allow_reentry (DBusConnection * bus, DBusMessage * message)
60 DBusPendingCall *pending;
61 DBusMessage *reply = NULL;
63 if (!dbus_connection_send_with_reply (bus, message, &pending, -1))
67 dbus_pending_call_set_notify (pending, set_reply, (void *) &reply, NULL);
70 if (!dbus_connection_read_write_dispatch (bus, -1))
76 /*---------------------------------------------------------------------------*/
79 * Functionality related to sending device events from the application.
81 * This is used for forwarding key events on to the registry daemon.
85 Accessibility_DeviceEventController_NotifyListenersSync (const
86 Accessibility_DeviceEvent
91 dbus_bool_t consumed = FALSE;
94 dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY,
96 SPI_DBUS_INTERFACE_DEC,
97 "NotifyListenersSync");
99 dbus_error_init (&error);
100 if (spi_dbus_marshal_deviceEvent (message, key_event))
103 send_and_allow_reentry (spi_global_app_data->bus, message);
107 dbus_error_init (&error);
108 dbus_message_get_args (reply, &error, DBUS_TYPE_BOOLEAN, &consumed,
110 dbus_message_unref (reply);
113 dbus_message_unref (message);
118 spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent * keystroke,
119 AtkKeyEventStruct * event)
121 keystroke->id = (dbus_int32_t) event->keyval;
122 keystroke->hw_code = (dbus_int16_t) event->keycode;
123 keystroke->timestamp = (dbus_uint32_t) event->timestamp;
124 keystroke->modifiers = (dbus_uint16_t) (event->state & 0xFFFF);
129 keystroke->event_string = g_strdup (event->string);
130 c = g_utf8_get_char_validated (event->string, -1);
131 if (c > 0 && g_unichar_isprint (c))
132 keystroke->is_text = TRUE;
134 keystroke->is_text = FALSE;
138 keystroke->event_string = g_strdup ("");
139 keystroke->is_text = FALSE;
143 case (ATK_KEY_EVENT_PRESS):
144 keystroke->type = Accessibility_KEY_PRESSED_EVENT;
146 case (ATK_KEY_EVENT_RELEASE):
147 keystroke->type = Accessibility_KEY_RELEASED_EVENT;
155 ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
156 (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
157 (int) keystroke->modifiers, keystroke->event_string,
158 (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
164 spi_atk_bridge_key_listener (AtkKeyEventStruct * event, gpointer data)
167 Accessibility_DeviceEvent key_event;
169 spi_init_keystroke_from_atk_key_event (&key_event, event);
172 Accessibility_DeviceEventController_NotifyListenersSync (&key_event);
174 if (key_event.event_string)
175 g_free (key_event.event_string);
180 /*---------------------------------------------------------------------------*/
183 convert_signal_name (const gchar * s)
185 gchar *ret = g_strdup (s);
190 ret[0] = toupper (ret[0]);
191 while ((t = strchr (ret, '-')) != NULL)
193 memmove (t, t + 1, strlen (t));
200 replace_null (const gint type,
205 case DBUS_TYPE_STRING:
206 case DBUS_TYPE_OBJECT_PATH:
217 append_basic (DBusMessageIter *iter,
223 dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, type, &sub);
225 val = replace_null ((int) *type, val);
226 dbus_message_iter_append_basic(&sub, (int) *type, &val);
228 dbus_message_iter_close_container(iter, &sub);
232 append_rect (DBusMessageIter *iter,
236 DBusMessageIter variant, sub;
237 const AtkRectangle *rect = (const AtkRectangle *) val;
239 dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, type, &variant);
241 dbus_message_iter_open_container (&variant, DBUS_TYPE_STRUCT, NULL, &sub);
243 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &(rect->x));
244 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &(rect->y));
245 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &(rect->width));
246 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &(rect->height));
248 dbus_message_iter_close_container (&variant, &sub);
250 dbus_message_iter_close_container(iter, &variant);
254 append_object (DBusMessageIter *iter,
258 spi_object_append_v_reference (iter, ATK_OBJECT (val));
262 * Emits an AT-SPI event.
263 * AT-SPI events names are split into three parts:
265 * This is mapped onto D-Bus events as:
266 * D-Bus Interface:Signal Name:Detail argument
268 * Marshals a basic type into the 'any_data' attribute of
272 emit_event (AtkObject *obj,
276 dbus_int32_t detail1,
277 dbus_int32_t detail2,
280 void (*append_variant) (DBusMessageIter *, const char *, const void *))
282 DBusConnection *bus = spi_global_app_data->bus;
283 const char *path = spi_register_object_to_path (spi_global_register,
288 DBusMessageIter iter, iter_struct;
290 if (!klass) klass = "";
291 if (!major) major = "";
292 if (!minor) minor = "";
293 if (!type) type = "u";
296 * This is very annoying, but as '-' isn't a legal signal
297 * name in D-Bus (Why not??!?) The names need converting
298 * on this side, and again on the client side.
300 cname = g_strdup(major);
301 while ((t = strchr(cname, '-')) != NULL) *t = '_';
302 sig = dbus_message_new_signal(path, klass, cname);
305 dbus_message_iter_init_append(sig, &iter);
307 spi_object_append_reference (&iter, spi_global_app_data->root);
308 dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &minor);
309 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1);
310 dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2);
312 append_variant (&iter, type, val);
314 dbus_connection_send(bus, sig, NULL);
315 dbus_message_unref(sig);
318 /*---------------------------------------------------------------------------*/
321 * The focus listener handles the ATK 'focus' signal and forwards it
322 * as the AT-SPI event, 'focus:'
325 focus_tracker (AtkObject * accessible)
327 emit_event (accessible, ITF_EVENT_FOCUS, "focus", "", 0, 0,
328 DBUS_TYPE_INT32_AS_STRING, 0, append_basic);
331 /*---------------------------------------------------------------------------*/
333 #define PCHANGE "property-change"
336 * This handler handles the following ATK signals and
337 * converts them to AT-SPI events:
339 * Gtk:AtkObject:property-change -> object:property-change:(property-name)
341 * The property-name is part of the ATK property-change signal.
344 property_event_listener (GSignalInvocationHint * signal_hint,
345 guint n_param_values,
346 const GValue * param_values, gpointer data)
348 AtkObject *accessible;
349 AtkPropertyValues *values;
351 const gchar *pname = NULL;
357 accessible = g_value_get_object (¶m_values[0]);
358 values = (AtkPropertyValues *) g_value_get_pointer (¶m_values[1]);
360 pname = values[0].property_name;
362 /* TODO Could improve this control statement by matching
363 * on only the end of the signal names,
365 if (strcmp (pname, "accessible-name") == 0)
367 s1 = atk_object_get_name (accessible);
369 emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
370 DBUS_TYPE_STRING_AS_STRING, s1, append_basic);
372 if (strcmp (pname, "accessible-description") == 0)
374 s1 = atk_object_get_description (accessible);
376 emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
377 DBUS_TYPE_STRING_AS_STRING, s1, append_basic);
379 if (strcmp (pname, "accessible-parent") == 0)
381 otemp = atk_object_get_parent (accessible);
383 emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
384 "(so)", otemp, append_object);
386 if (strcmp (pname, "accessible-table-summary") == 0)
388 otemp = atk_table_get_summary (ATK_TABLE (accessible));
390 emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
391 "(so)", otemp, append_object);
393 else if (strcmp (pname, "accessible-table-column-header") == 0)
395 i = g_value_get_int (&(values->new_value));
396 otemp = atk_table_get_column_header (ATK_TABLE (accessible), i);
398 emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
399 "(so)", otemp, append_object);
401 else if (strcmp (pname, "accessible-table-row-header") == 0)
403 i = g_value_get_int (&(values->new_value));
404 otemp = atk_table_get_row_header (ATK_TABLE (accessible), i);
406 emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
407 "(so)", otemp, append_object);
409 else if (strcmp (pname, "accessible-table-row-description") == 0)
411 i = g_value_get_int (&(values->new_value));
412 s1 = atk_table_get_row_description (ATK_TABLE (accessible), i);
413 emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
414 DBUS_TYPE_STRING_AS_STRING, s1, append_basic);
416 else if (strcmp (pname, "accessible-table-column-description") == 0)
418 i = g_value_get_int (&(values->new_value));
419 s1 = atk_table_get_column_description (ATK_TABLE (accessible), i);
420 emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
421 DBUS_TYPE_STRING_AS_STRING, s1, append_basic);
423 else if (strcmp (pname, "accessible-table-caption-object") == 0)
425 otemp = atk_table_get_caption (ATK_TABLE (accessible));
426 emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
427 "(so)", otemp, append_object);
431 emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
432 DBUS_TYPE_INT32_AS_STRING, 0, append_basic);
437 /*---------------------------------------------------------------------------*/
439 #define STATE_CHANGED "state-changed"
442 * The state event listener handles 'Gtk:AtkObject:state-change' ATK signals
443 * and forwards them as object:state-changed:(param-name) AT-SPI events. Where
444 * the param-name is part of the ATK state-change signal.
447 state_event_listener (GSignalInvocationHint * signal_hint,
448 guint n_param_values,
449 const GValue * param_values, gpointer data)
451 AtkObject *accessible;
455 accessible = ATK_OBJECT (g_value_get_object (¶m_values[0]));
456 pname = g_strdup (g_value_get_string (¶m_values[1]));
458 /* TODO - Possibly ignore a change to the 'defunct' state.
459 * This is because without reference counting defunct objects should be removed.
461 detail1 = (g_value_get_boolean (¶m_values[2])) ? 1 : 0;
462 emit_event (accessible, ITF_EVENT_OBJECT, STATE_CHANGED, pname, detail1, 0,
463 DBUS_TYPE_INT32_AS_STRING, 0, append_basic);
468 /*---------------------------------------------------------------------------*/
471 * The window event listener handles the following ATK signals and forwards
472 * them as AT-SPI events:
474 * window:create -> window:create
475 * window:destroy -> window:destroy
476 * window:minimize -> window:minimize
477 * window:maximize -> window:maximize
478 * window:activate -> window:activate
479 * window:deactivate -> window:deactivate
482 window_event_listener (GSignalInvocationHint * signal_hint,
483 guint n_param_values,
484 const GValue * param_values, gpointer data)
486 AtkObject *accessible;
487 GSignalQuery signal_query;
488 const gchar *name, *s;
490 g_signal_query (signal_hint->signal_id, &signal_query);
491 name = signal_query.signal_name;
493 accessible = ATK_OBJECT (g_value_get_object (¶m_values[0]));
494 s = atk_object_get_name (accessible);
495 emit_event (accessible, ITF_EVENT_WINDOW, name, "", 0, 0,
496 DBUS_TYPE_STRING_AS_STRING, s, append_basic);
501 /*---------------------------------------------------------------------------*/
504 * The document event listener handles the following ATK signals
505 * and converts them to AT-SPI events:
507 * Gtk:AtkDocument:load-complete -> document:load-complete
508 * Gtk:AtkDocument:load-stopped -> document:load-stopped
509 * Gtk:AtkDocument:reload -> document:reload
512 document_event_listener (GSignalInvocationHint * signal_hint,
513 guint n_param_values,
514 const GValue * param_values, gpointer data)
516 AtkObject *accessible;
517 GSignalQuery signal_query;
518 const gchar *name, *s;
520 g_signal_query (signal_hint->signal_id, &signal_query);
521 name = signal_query.signal_name;
523 accessible = ATK_OBJECT (g_value_get_object (¶m_values[0]));
524 s = atk_object_get_name (accessible);
525 emit_event (accessible, ITF_EVENT_DOCUMENT, name, "", 0, 0,
526 DBUS_TYPE_STRING_AS_STRING, s, append_basic);
531 /*---------------------------------------------------------------------------*/
534 * Signal handler for "Gtk:AtkComponent:bounds-changed". Converts
535 * this to an AT-SPI event - "object:bounds-changed".
538 bounds_event_listener (GSignalInvocationHint * signal_hint,
539 guint n_param_values,
540 const GValue * param_values, gpointer data)
542 AtkObject *accessible;
543 AtkRectangle *atk_rect;
544 GSignalQuery signal_query;
545 const gchar *name, *s;
547 g_signal_query (signal_hint->signal_id, &signal_query);
548 name = signal_query.signal_name;
550 accessible = ATK_OBJECT (g_value_get_object (¶m_values[0]));
552 if (G_VALUE_HOLDS_BOXED (param_values + 1))
554 atk_rect = g_value_get_boxed (param_values + 1);
556 emit_event (accessible, ITF_EVENT_OBJECT, name, "", 0, 0,
557 "(iiii)", atk_rect, append_rect);
562 /*---------------------------------------------------------------------------*/
565 * Handles the ATK signal 'Gtk:AtkObject:active-descendant-changed' and
566 * converts it to the AT-SPI signal - 'object:active-descendant-changed'.
570 active_descendant_event_listener (GSignalInvocationHint * signal_hint,
571 guint n_param_values,
572 const GValue * param_values, gpointer data)
574 AtkObject *accessible;
576 GSignalQuery signal_query;
577 const gchar *name, *minor;
581 g_signal_query (signal_hint->signal_id, &signal_query);
582 name = signal_query.signal_name;
584 accessible = ATK_OBJECT (g_value_get_object (¶m_values[0]));
585 child = ATK_OBJECT (g_value_get_pointer (¶m_values[1]));
586 g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE);
587 minor = g_quark_to_string (signal_hint->detail);
589 detail1 = atk_object_get_index_in_parent (child);
591 emit_event (accessible, ITF_EVENT_OBJECT, name, "", detail1, 0,
592 "(so)", child, append_object);
597 /*---------------------------------------------------------------------------*/
600 * Handles the ATK signal 'Gtk:AtkHypertext:link-selected' and
601 * converts it to the AT-SPI signal - 'object:link-selected'
605 link_selected_event_listener (GSignalInvocationHint * signal_hint,
606 guint n_param_values,
607 const GValue * param_values, gpointer data)
609 AtkObject *accessible;
610 GSignalQuery signal_query;
611 const gchar *name, *minor;
614 g_signal_query (signal_hint->signal_id, &signal_query);
615 name = signal_query.signal_name;
617 accessible = ATK_OBJECT (g_value_get_object (¶m_values[0]));
618 minor = g_quark_to_string (signal_hint->detail);
620 if (G_VALUE_TYPE (¶m_values[1]) == G_TYPE_INT)
621 detail1 = g_value_get_int (¶m_values[1]);
623 emit_event (accessible, ITF_EVENT_OBJECT, name, minor, detail1, 0,
624 DBUS_TYPE_INT32_AS_STRING, 0, append_basic);
628 /*---------------------------------------------------------------------------*/
631 * Handles the ATK signal 'Gtk:AtkText:text-changed' and
632 * converts it to the AT-SPI signal - 'object:text-changed'
636 text_changed_event_listener (GSignalInvocationHint * signal_hint,
637 guint n_param_values,
638 const GValue * param_values, gpointer data)
640 AtkObject *accessible;
641 GSignalQuery signal_query;
642 const gchar *name, *minor;
644 gint detail1, detail2;
646 g_signal_query (signal_hint->signal_id, &signal_query);
647 name = signal_query.signal_name;
649 accessible = ATK_OBJECT (g_value_get_object (¶m_values[0]));
650 minor = g_quark_to_string (signal_hint->detail);
652 if (G_VALUE_TYPE (¶m_values[1]) == G_TYPE_INT)
653 detail1 = g_value_get_int (¶m_values[1]);
655 if (G_VALUE_TYPE (¶m_values[2]) == G_TYPE_INT)
656 detail2 = g_value_get_int (¶m_values[2]);
659 atk_text_get_text (ATK_TEXT (accessible), detail1, detail1 + detail2);
661 emit_event (accessible, ITF_EVENT_OBJECT, name, minor, detail1, detail2,
662 DBUS_TYPE_STRING_AS_STRING, selected, append_basic);
666 /*---------------------------------------------------------------------------*/
669 * Handles the ATK signal 'Gtk:AtkText:text-selection-changed' and
670 * converts it to the AT-SPI signal - 'object:text-selection-changed'
674 text_selection_changed_event_listener (GSignalInvocationHint * signal_hint,
675 guint n_param_values,
676 const GValue * param_values,
679 AtkObject *accessible;
680 GSignalQuery signal_query;
681 const gchar *name, *minor;
682 gint detail1, detail2;
684 g_signal_query (signal_hint->signal_id, &signal_query);
685 name = signal_query.signal_name;
687 accessible = ATK_OBJECT (g_value_get_object (¶m_values[0]));
688 minor = g_quark_to_string (signal_hint->detail);
690 if (G_VALUE_TYPE (¶m_values[1]) == G_TYPE_INT)
691 detail1 = g_value_get_int (¶m_values[1]);
693 if (G_VALUE_TYPE (¶m_values[2]) == G_TYPE_INT)
694 detail2 = g_value_get_int (¶m_values[2]);
696 emit_event (accessible, ITF_EVENT_OBJECT, name, minor, detail1, detail2,
697 DBUS_TYPE_STRING_AS_STRING, "", append_basic);
701 /*---------------------------------------------------------------------------*/
704 * Generic signal converter and forwarder.
706 * Klass (Interface) org.freedesktop.atspi.Event.Object
707 * Major is the signal name.
714 generic_event_listener (GSignalInvocationHint * signal_hint,
715 guint n_param_values,
716 const GValue * param_values, gpointer data)
718 AtkObject *accessible;
719 GSignalQuery signal_query;
721 int detail1 = 0, detail2 = 0;
723 g_signal_query (signal_hint->signal_id, &signal_query);
724 name = signal_query.signal_name;
726 accessible = ATK_OBJECT (g_value_get_object (¶m_values[0]));
728 if (n_param_values > 1 && G_VALUE_TYPE (¶m_values[1]) == G_TYPE_INT)
729 detail1 = g_value_get_int (¶m_values[1]);
731 if (n_param_values > 2 && G_VALUE_TYPE (¶m_values[2]) == G_TYPE_INT)
732 detail2 = g_value_get_int (¶m_values[2]);
734 emit_event (accessible, ITF_EVENT_OBJECT, name, "", detail1, detail2,
735 DBUS_TYPE_INT32_AS_STRING, 0, append_basic);
739 /*---------------------------------------------------------------------------*/
742 * Registers the provided function as a handler for the given signal name
743 * and stores the signal id returned so that the function may be
744 * de-registered later.
747 add_signal_listener (GSignalEmissionHook listener, const char *signal_name)
751 id = atk_add_global_event_listener (listener, signal_name);
752 g_array_append_val (listener_ids, id);
756 * Initialization for the signal handlers.
758 * Registers all required signal handlers.
761 spi_atk_register_event_listeners (void)
764 * Kludge to make sure the Atk interface types are registered, otherwise
765 * the AtkText signal handlers below won't get registered
767 GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
768 AtkObject *bo = atk_no_op_object_new (ao);
770 g_object_unref (G_OBJECT (bo));
773 /* Register for focus event notifications, and register app with central registry */
774 listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
776 atk_bridge_focus_tracker_id = atk_add_focus_tracker (focus_tracker);
778 add_signal_listener (property_event_listener,
779 "Gtk:AtkObject:property-change");
780 add_signal_listener (window_event_listener, "window:create");
781 add_signal_listener (window_event_listener, "window:destroy");
782 add_signal_listener (window_event_listener, "window:minimize");
783 add_signal_listener (window_event_listener, "window:maximize");
784 add_signal_listener (window_event_listener, "window:restore");
785 add_signal_listener (window_event_listener, "window:activate");
786 add_signal_listener (window_event_listener, "window:deactivate");
787 add_signal_listener (document_event_listener,
788 "Gtk:AtkDocument:load-complete");
789 add_signal_listener (document_event_listener, "Gtk:AtkDocument:reload");
790 add_signal_listener (document_event_listener,
791 "Gtk:AtkDocument:load-stopped");
792 /* TODO Fake this event on the client side */
793 add_signal_listener (state_event_listener, "Gtk:AtkObject:state-change");
795 add_signal_listener (active_descendant_event_listener,
796 "Gtk:AtkObject:active-descendant-changed");
797 add_signal_listener (bounds_event_listener,
798 "Gtk:AtkComponent:bounds-changed");
799 add_signal_listener (text_selection_changed_event_listener,
800 "Gtk:AtkText:text-selection-changed");
801 add_signal_listener (text_changed_event_listener,
802 "Gtk:AtkText:text-changed");
803 add_signal_listener (link_selected_event_listener,
804 "Gtk:AtkHypertext:link-selected");
805 add_signal_listener (generic_event_listener,
806 "Gtk:AtkObject:visible-data-changed");
807 add_signal_listener (generic_event_listener,
808 "Gtk:AtkSelection:selection-changed");
809 add_signal_listener (generic_event_listener,
810 "Gtk:AtkText:text-attributes-changed");
811 add_signal_listener (generic_event_listener,
812 "Gtk:AtkText:text-caret-moved");
813 add_signal_listener (generic_event_listener, "Gtk:AtkTable:row-inserted");
814 add_signal_listener (generic_event_listener, "Gtk:AtkTable:row-reordered");
815 add_signal_listener (generic_event_listener, "Gtk:AtkTable:row-deleted");
816 add_signal_listener (generic_event_listener,
817 "Gtk:AtkTable:column-inserted");
818 add_signal_listener (generic_event_listener,
819 "Gtk:AtkTable:column-reordered");
820 add_signal_listener (generic_event_listener, "Gtk:AtkTable:column-deleted");
821 add_signal_listener (generic_event_listener, "Gtk:AtkTable:model-changed");
824 * May add the following listeners to implement preemptive key listening for GTK+
826 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
827 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
829 atk_bridge_key_event_listener_id =
830 atk_add_key_event_listener (spi_atk_bridge_key_listener, NULL);
833 /*---------------------------------------------------------------------------*/
836 * De-registers all ATK signal handlers.
839 spi_atk_deregister_event_listeners (void)
842 GArray *ids = listener_ids;
845 if (atk_bridge_focus_tracker_id)
846 atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
848 for (i = 0; ids && i < ids->len; i++)
850 atk_remove_global_event_listener (g_array_index (ids, guint, i));
853 if (atk_bridge_key_event_listener_id)
854 atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
857 /*---------------------------------------------------------------------------*/
860 * TODO This function seems out of place here.
862 * Emits fake deactivate signals on all top-level windows.
863 * Used when shutting down AT-SPI, ensuring that all
864 * windows have been removed on the client side.
867 spi_atk_tidy_windows (void)
873 root = atk_get_root ();
874 n_children = atk_object_get_n_accessible_children (root);
875 for (i = 0; i < n_children; i++)
878 AtkStateSet *stateset;
881 child = atk_object_ref_accessible_child (root, i);
882 stateset = atk_object_ref_state_set (child);
884 name = atk_object_get_name (child);
885 if (atk_state_set_contains_state (stateset, ATK_STATE_ACTIVE))
887 emit_event (child, ITF_EVENT_WINDOW, "deactivate", NULL, 0, 0,
888 DBUS_TYPE_STRING_AS_STRING, name, append_basic);
890 g_object_unref (stateset);
892 emit_event (child, ITF_EVENT_WINDOW, "destroy", NULL, 0, 0,
893 DBUS_TYPE_STRING_AS_STRING, name, append_basic);
894 g_object_unref (child);
898 /*END------------------------------------------------------------------------*/