2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001, 2002, 2003 Sun Microsystems Inc.,
6 * Copyright 2001, 2002, 2003 Ximian, Inc.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
27 #include <X11/Xatom.h>
33 #include <libbonobo.h>
34 #include <orbit/orbit.h>
36 #include <atk/atkobject.h>
37 #include <atk/atknoopobject.h>
38 #include <libspi/Accessibility.h>
39 #include <libspi/spi-private.h>
40 #include "remoteobject.h"
41 #include "accessible.h"
42 #include "application.h"
43 #include <bonobo-activation/bonobo-activation-register.h>
45 #undef SPI_BRIDGE_DEBUG
47 #define DBG(a,b) if(_dbg>=(a))b
49 #define bridge_threads_leave() \
50 if (!during_init_shutdown && !g_main_context_is_owner (NULL)) atk_misc_threads_leave(misc);
51 #define bridge_threads_enter() \
52 if (!during_init_shutdown && !g_main_context_is_owner (NULL)) atk_misc_threads_enter(misc);
55 static CORBA_Environment ev;
56 static Accessibility_Registry registry = CORBA_OBJECT_NIL;
57 static Accessibility_DeviceEventController device_event_controller = CORBA_OBJECT_NIL;
58 static SpiApplication *this_app = NULL;
59 static gboolean registry_died = FALSE;
60 static gboolean atk_listeners_registered = FALSE;
61 static gint toplevels = 0;
62 static gboolean exiting = FALSE;
63 static AtkMisc *misc = NULL;
64 static gboolean during_init_shutdown = TRUE;
66 static guint atk_signal_text_changed;
67 static guint atk_signal_children_changed;
68 static guint atk_signal_active_descendant_changed;
69 static guint atk_signal_text_selection_changed;
72 static guint atk_signal_row_reordered;
73 static guint atk_signal_row_inserted;
74 static guint atk_signal_row_deleted;
75 static guint atk_signal_column_reordered;
76 static guint atk_signal_column_inserted;
77 static guint atk_signal_column_deleted;
80 static guint atk_signal_link_selected;
81 static guint atk_signal_bounds_changed;
83 static Accessibility_Registry spi_atk_bridge_get_registry (void);
84 static gboolean spi_atk_bridge_do_registration (void);
85 static void spi_atk_bridge_toplevel_added (AtkObject *object,
88 static void spi_atk_bridge_toplevel_removed (AtkObject *object,
92 static void spi_atk_bridge_exit_func (void);
93 static void spi_atk_register_event_listeners (void);
94 static void spi_atk_bridge_focus_tracker (AtkObject *object);
95 static gchar *spi_atk_bridge_get_registry_ior (void);
96 static void spi_atk_bridge_register_application (Accessibility_Registry registry);
97 static gboolean spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
99 const GValue *param_values,
102 static void spi_atk_bridge_init_nil (CORBA_any *any,
104 static void spi_atk_bridge_init_object (CORBA_any *any,
106 CORBA_Object *c_obj);
107 static void spi_atk_bridge_init_string (CORBA_any *any,
110 static void spi_atk_bridge_init_rect (CORBA_any *any,
115 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
116 guint n_param_values,
117 const GValue *param_values,
120 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
121 guint n_param_values,
122 const GValue *param_values,
125 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
126 guint n_param_values,
127 const GValue *param_values,
129 static gboolean spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
130 guint n_param_values,
131 const GValue *param_values,
133 static gint spi_atk_bridge_key_listener (AtkKeyEventStruct *event,
135 static void spi_atk_tidy_windows (void);
136 static void deregister_application (BonoboObject *app);
137 static void reinit_register_vars (void);
139 /* For automatic libgnome init */
140 extern void gnome_accessibility_module_init (void);
141 extern void gnome_accessibility_module_shutdown (void);
143 static int atk_bridge_initialized = FALSE;
144 static pid_t atk_bridge_pid = 0;
145 static guint atk_bridge_focus_tracker_id = 0;
146 static guint atk_bridge_key_event_listener_id = 0;
147 static GArray *listener_ids = NULL;
150 * These exported symbols are hooked by gnome-program
151 * to provide automatic module initialization and shutdown.
153 extern void gnome_accessibility_module_init (void);
154 extern void gnome_accessibility_module_shutdown (void);
157 spi_atk_bridge_init_event_type_consts ()
159 static gboolean done = FALSE;
164 atk_signal_children_changed = g_signal_lookup ("children_changed",
166 atk_signal_text_changed = g_signal_lookup ("text_changed",
168 atk_signal_bounds_changed = g_signal_lookup ("bounds_changed",
170 atk_signal_active_descendant_changed =
171 g_signal_lookup ("active_descendant_changed",
173 atk_signal_link_selected = g_signal_lookup ("link_selected",
175 atk_signal_text_selection_changed = g_signal_lookup ("text_selection_changed",
183 during_init_shutdown = FALSE;
188 atk_bridge_init (gint *argc, gchar **argv[])
190 const char *debug_env_string = g_getenv ("AT_SPI_DEBUG");
192 gboolean success = FALSE;
194 if (atk_bridge_initialized)
198 atk_bridge_initialized = TRUE;
199 atk_bridge_pid = getpid ();
201 misc = atk_misc_get_instance();
203 if (g_getenv ("ATK_BRIDGE_REDIRECT_LOG"))
205 fname = g_strconcat ("/tmp/", g_get_prgname (), ".at-spi-log", NULL);
206 /* make sure we're not being redirected - security issue */
207 if (!g_file_test (fname, G_FILE_TEST_IS_SYMLINK))
208 freopen (fname, "w", stderr);
212 if (debug_env_string)
213 _dbg = (int) g_ascii_strtod (debug_env_string, NULL);
215 if (!bonobo_init (argc, argv ? *argv : NULL))
217 g_error ("Could not initialize Bonobo");
220 /* Create the accessible application server object */
221 this_app = spi_application_new (atk_get_root ());
223 * We only want to enable the bridge for top level
224 * applications, we detect bonobo components by seeing
225 * if they were activated with the intention of extracting
226 * an impl. by IID - very solid.
228 if (bonobo_activation_iid_get ())
230 DBG (1, g_message ("Found Bonobo component\n"));
231 g_signal_connect (atk_get_root (),
232 "children-changed::add",
233 (GCallback) spi_atk_bridge_toplevel_added,
235 g_signal_connect (atk_get_root (),
236 "children-changed::remove",
237 (GCallback) spi_atk_bridge_toplevel_removed,
239 /* in this case we redefine 'success' to mean 'registry is present' */
240 success = (spi_atk_bridge_get_registry () != CORBA_OBJECT_NIL);
244 success = spi_atk_bridge_do_registration ();
247 * we must emit events even if we are not registered as a
248 * full-fledged app; See bugzilla #400709.
252 spi_atk_register_event_listeners ();
253 spi_atk_bridge_init_event_type_consts ();
257 atk_bridge_initialized = FALSE;
259 g_idle_add (post_init, NULL);
266 spi_atk_bridge_do_registration (void)
268 CORBA_Environment ev;
270 CORBA_exception_init(&ev);
272 if (spi_atk_bridge_get_registry () == CORBA_OBJECT_NIL)
274 g_warning ("Could not locate registry");
280 /* Create the accessible application server object */
281 if (this_app == NULL)
282 this_app = spi_application_new (atk_get_root ());
284 DBG (1, g_message ("About to register application\n"));
286 spi_atk_bridge_register_application (spi_atk_bridge_get_registry ());
288 g_atexit (spi_atk_bridge_exit_func);
290 DBG (1, g_message ("Application registered & listening\n"));
295 spi_atk_bridge_toplevel_added (AtkObject *object,
301 spi_atk_bridge_do_registration ();
307 spi_atk_bridge_toplevel_removed (AtkObject *object,
311 BonoboObject *app = (BonoboObject *) this_app;
316 deregister_application (app);
317 reinit_register_vars ();
321 g_warning ("More toplevels removed than added\n");
327 spi_atk_bridge_register_application (Accessibility_Registry registry)
329 bridge_threads_leave ();
330 Accessibility_Registry_registerApplication (spi_atk_bridge_get_registry (),
331 BONOBO_OBJREF (this_app),
333 bridge_threads_enter ();
334 if (ev._major != CORBA_NO_EXCEPTION)
335 CORBA_exception_free (&ev);
339 * Returns a 'canonicalized' value for DISPLAY,
340 * with the screen number stripped off if present.
343 spi_display_name (void)
345 static const char *canonical_display_name = NULL;
346 if (!canonical_display_name)
348 const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
351 display_env = g_getenv ("DISPLAY");
352 if (!display_env || !display_env[0])
353 canonical_display_name = ":0";
356 gchar *display_p, *screen_p;
357 canonical_display_name = g_strdup (display_env);
358 display_p = strrchr (canonical_display_name, ':');
359 screen_p = strrchr (canonical_display_name, '.');
360 if (screen_p && display_p && (screen_p > display_p))
368 canonical_display_name = display_env;
371 return canonical_display_name;
374 static Display *bridge_display = NULL;
377 spi_atk_bridge_get_registry_ior (void)
383 unsigned char *data = NULL;
384 unsigned long nitems;
385 unsigned long leftover;
387 bridge_display = XOpenDisplay (spi_display_name ());
389 AT_SPI_IOR = XInternAtom (bridge_display, "AT_SPI_IOR", False);
390 XGetWindowProperty(bridge_display,
391 XDefaultRootWindow (bridge_display),
394 (Atom) 31, &actual_type, &actual_format,
395 &nitems, &leftover, &data);
397 g_warning (_("AT_SPI_REGISTRY was not started at session startup."));
399 return (gchar *) data;
404 static Accessibility_Registry
405 spi_atk_bridge_get_registry (void)
407 CORBA_Environment ev;
410 if (registry_died || (registry == CORBA_OBJECT_NIL))
412 CORBA_exception_init (&ev);
416 return CORBA_OBJECT_NIL;
418 DBG (1, g_warning ("registry died! restarting..."));
421 /* XXX: This presumes that the registry has successfully restarted itself already...*/
422 ior = (char *) spi_atk_bridge_get_registry_ior ();
426 registry = CORBA_ORB_string_to_object (bonobo_activation_orb_get (),
432 g_warning ("IOR not set.");
433 registry = CORBA_OBJECT_NIL;
436 if (ev._major != CORBA_NO_EXCEPTION)
438 g_error ("Accessibility app error: exception during "
439 "registry activation from id: %s\n",
440 CORBA_exception_id (&ev));
441 CORBA_exception_free (&ev);
444 if (registry_died && registry)
446 registry_died = FALSE;
447 spi_atk_bridge_register_application (registry);
453 static Accessibility_DeviceEventController
454 spi_atk_bridget_get_dec (void)
456 CORBA_Environment ev;
458 if (device_event_controller != CORBA_OBJECT_NIL)
460 if (ORBit_small_get_connection_status (device_event_controller)
461 == ORBIT_CONNECTION_CONNECTED)
462 return device_event_controller;
465 CORBA_exception_init (&ev);
467 device_event_controller =
468 Accessibility_Registry_getDeviceEventController (
469 spi_atk_bridge_get_registry (), &ev);
473 g_warning (_("failure: no device event controller found.\n"));
474 registry_died = TRUE;
475 device_event_controller = CORBA_OBJECT_NIL;
478 return device_event_controller;
482 gtk_module_init (gint *argc, gchar **argv[])
484 return atk_bridge_init (argc, argv);
488 add_signal_listener (const char *signal_name)
492 id = atk_add_global_event_listener (
493 spi_atk_bridge_signal_listener, signal_name);
495 g_array_append_val (listener_ids, id);
499 spi_atk_register_event_listeners (void)
502 * kludge to make sure the Atk interface types are registered, otherwise
503 * the AtkText signal handlers below won't get registered
506 GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
507 AtkObject *bo = atk_no_op_object_new (ao);
510 if (atk_listeners_registered)
512 g_object_unref (G_OBJECT (bo));
517 atk_listeners_registered = TRUE;
519 /* Register for focus event notifications, and register app with central registry */
521 listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
523 atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
525 id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
526 "Gtk:AtkObject:property-change");
527 g_array_append_val (listener_ids, id);
528 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
530 g_array_append_val (listener_ids, id);
531 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
533 g_array_append_val (listener_ids, id);
534 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
536 g_array_append_val (listener_ids, id);
537 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
539 g_array_append_val (listener_ids, id);
540 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
542 g_array_append_val (listener_ids, id);
543 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
545 g_array_append_val (listener_ids, id);
546 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
547 "window:deactivate");
548 g_array_append_val (listener_ids, id);
549 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
550 "Gtk:AtkDocument:load-complete");
551 g_array_append_val (listener_ids, id);
552 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
553 "Gtk:AtkDocument:reload");
554 g_array_append_val (listener_ids, id);
555 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
556 "Gtk:AtkDocument:load-stopped");
557 g_array_append_val (listener_ids, id);
558 id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
559 "Gtk:AtkObject:state-change");
560 g_array_append_val (listener_ids, id);
562 add_signal_listener ("Gtk:AtkObject:children-changed");
563 add_signal_listener ("Gtk:AtkObject:visible-data-changed");
564 add_signal_listener ("Gtk:AtkObject:active-descendant-changed");
565 add_signal_listener ("Gtk:AtkComponent:bounds-changed");
566 add_signal_listener ("Gtk:AtkSelection:selection-changed");
567 add_signal_listener ("Gtk:AtkText:text-selection-changed");
568 add_signal_listener ("Gtk:AtkText:text-changed");
569 add_signal_listener ("Gtk:AtkText:text-caret-moved");
570 add_signal_listener ("Gtk:AtkTable:row-inserted");
571 add_signal_listener ("Gtk:AtkTable:row-reordered");
572 add_signal_listener ("Gtk:AtkTable:row-deleted");
573 add_signal_listener ("Gtk:AtkTable:column-inserted");
574 add_signal_listener ("Gtk:AtkTable:column-reordered");
575 add_signal_listener ("Gtk:AtkTable:column-deleted");
576 add_signal_listener ("Gtk:AtkTable:model-changed");
577 add_signal_listener ("Gtk:AtkHypertext:link-selected");
579 * May add the following listeners to implement preemptive key listening for GTK+
581 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
582 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
584 atk_bridge_key_event_listener_id = atk_add_key_event_listener (
585 spi_atk_bridge_key_listener, NULL);
587 g_object_unref (G_OBJECT (bo));
592 deregister_application (BonoboObject *app)
594 Accessibility_Registry registry = spi_atk_bridge_get_registry ();
595 bridge_threads_leave ();
596 Accessibility_Registry_deregisterApplication (registry, BONOBO_OBJREF (app), &ev);
597 bridge_threads_enter ();
599 device_event_controller = bonobo_object_release_unref (device_event_controller, &ev);
600 registry = bonobo_object_release_unref (registry, &ev);
604 spi_atk_bridge_exit_func (void)
606 BonoboObject *app = (BonoboObject *) this_app;
608 DBG (1, g_message ("exiting bridge\n"));
615 if (atk_bridge_pid != getpid ())
620 during_init_shutdown = TRUE;
623 * Check whether we still have windows which have not been deleted.
625 spi_atk_tidy_windows ();
627 * FIXME: this may be incorrect for apps that do their own bonobo
628 * shutdown, until we can explicitly shutdown to get the ordering
631 if (!bonobo_is_initialized ())
633 DBG (1, g_warning ("Re-initializing bonobo\n"));
634 g_assert (bonobo_init (0, NULL));
635 g_assert (bonobo_activate ());
639 deregister_application (app);
641 DBG (1, g_message ("bridge exit func complete.\n"));
643 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
645 g_assert (!bonobo_debug_shutdown ());
648 XCloseDisplay (bridge_display);
652 gnome_accessibility_module_init (void)
654 atk_bridge_init (NULL, NULL);
656 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
658 g_print("Atk Accessibility bridge initialized\n");
663 gnome_accessibility_module_shutdown (void)
665 BonoboObject *app = (BonoboObject *) this_app;
667 GArray *ids = listener_ids;
669 if (!atk_bridge_initialized)
673 during_init_shutdown = TRUE;
674 atk_bridge_initialized = FALSE;
677 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
679 g_print("Atk Accessibility bridge shutdown\n");
683 if (atk_bridge_focus_tracker_id)
684 atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
686 for (i = 0; ids && i < ids->len; i++)
688 atk_remove_global_event_listener (g_array_index (ids, guint, i));
691 if (atk_bridge_key_event_listener_id)
692 atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
694 deregister_application (app);
700 spi_atk_bridge_focus_tracker (AtkObject *object)
702 SpiAccessible *source;
703 Accessibility_Event e;
705 source = spi_accessible_new (object);
707 CORBA_exception_init (&ev);
710 e.source = BONOBO_OBJREF (source);
713 spi_atk_bridge_init_nil (&e.any_data, object);
715 registry_died = TRUE;
718 bridge_threads_leave ();
719 Accessibility_Registry_notifyEvent (spi_atk_bridge_get_registry (),
721 bridge_threads_enter ();
724 registry_died = TRUE;
726 bonobo_object_unref (source);
728 if (e.any_data._release)
729 CORBA_free (e.any_data._value);
731 CORBA_exception_free (&ev);
735 spi_atk_emit_eventv (const GObject *gobject,
739 const char *format, ...)
742 Accessibility_Event e;
744 SpiAccessible *source = NULL;
745 Accessibility_Registry registry;
747 #ifdef SPI_BRIDGE_DEBUG
748 CORBA_string s = NULL;
751 va_start (args, format);
753 if (ATK_IS_IMPLEMENTOR (gobject))
755 aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
756 source = spi_accessible_new (aobject);
757 g_object_unref (G_OBJECT (aobject));
759 else if (ATK_IS_OBJECT (gobject))
761 aobject = ATK_OBJECT (gobject);
762 if (SPI_IS_REMOTE_OBJECT (aobject))
763 e.source = spi_remote_object_get_accessible (SPI_REMOTE_OBJECT (aobject));
765 source = spi_accessible_new (aobject);
770 DBG (0, g_warning ("received property-change event from non-AtkImplementor"));
774 name = atk_object_get_name (aobject);
775 e.type = g_strdup_vprintf (format, args);
776 if (source) e.source = BONOBO_OBJREF (source);
779 if (any) e.any_data = *any;
780 else spi_atk_bridge_init_nil (&e.any_data, aobject);
782 #ifdef SPI_BRIDGE_DEBUG
783 if (e.source != CORBA_OBJECT_NIL)
784 s = Accessibility_Accessible__get_name (e.source, &ev);
785 g_message ("Emitting event '%s' (%lu, %lu) on %s",
786 e.type, e.detail1, e.detail2, s);
789 CORBA_exception_init (&ev);
790 registry = spi_atk_bridge_get_registry ();
793 bridge_threads_leave ();
794 Accessibility_Registry_notifyEvent (registry,
796 bridge_threads_enter ();
797 #ifdef SPI_BRIDGE_DEBUG
798 if (ev._major != CORBA_NO_EXCEPTION)
799 g_message ("error emitting event %s, (%d) %s",
802 CORBA_exception_id(&ev));
804 if (BONOBO_EX (&ev)) registry_died = TRUE;
808 bonobo_object_unref (BONOBO_OBJECT (source));
810 Bonobo_Unknown_unref (e.source, &ev);
812 CORBA_exception_free (&ev);
816 if (!any && e.any_data._release) CORBA_free (e.any_data._value);
818 if (any && any->_release) CORBA_free (any->_value);
825 spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
826 guint n_param_values,
827 const GValue *param_values,
830 AtkPropertyValues *values;
832 const gchar *prop_name;
834 const gchar *sp = NULL;
836 SpiAccessible *s_ao = NULL;
839 const gchar *name = NULL;
841 #ifdef SPI_BRIDGE_DEBUG
842 GSignalQuery signal_query;
843 const gchar *signame;
846 g_signal_query (signal_hint->signal_id, &signal_query);
847 signame = signal_query.signal_name;
849 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
850 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
851 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
852 DBG (2, g_message ("Received (property) signal %s:%s:%s from object %s (gail %s)\n",
853 g_type_name (signal_query.itype), signame, values->property_name, s, s2));
857 gobject = g_value_get_object (param_values + 0);
858 name = atk_object_get_name (ATK_OBJECT (gobject));
859 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
861 prop_name = values->property_name;
862 if (strcmp (prop_name, "accessible-name") == 0)
864 spi_atk_bridge_init_string (&any,
865 ATK_OBJECT (gobject),
868 else if (strcmp (prop_name, "accessible-description") == 0)
870 sp = atk_object_get_description (ATK_OBJECT (gobject));
871 spi_atk_bridge_init_string (&any,
872 ATK_OBJECT (gobject),
875 else if (strcmp (prop_name, "accessible-parent") == 0)
877 ao = atk_object_get_parent (ATK_OBJECT (gobject));
880 s_ao = spi_accessible_new (ao);
881 c_obj = BONOBO_OBJREF (s_ao);
882 spi_atk_bridge_init_object (&any,
883 ATK_OBJECT (gobject),
888 spi_atk_bridge_init_nil (&any,
889 ATK_OBJECT (gobject));
892 else if (strcmp (prop_name, "accessible-table-summary") == 0)
894 ao = atk_table_get_summary (ATK_TABLE (gobject));
897 s_ao = spi_accessible_new (ao);
898 c_obj = BONOBO_OBJREF (s_ao);
899 spi_atk_bridge_init_object (&any,
900 ATK_OBJECT (gobject),
905 spi_atk_bridge_init_nil (&any,
906 ATK_OBJECT (gobject));
909 else if (strcmp (prop_name, "accessible-table-column-header") == 0)
911 i = g_value_get_int (&(values->new_value));
912 ao = atk_table_get_column_header (ATK_TABLE (gobject), i);
915 s_ao = spi_accessible_new (ao);
916 c_obj = BONOBO_OBJREF (s_ao);
917 spi_atk_bridge_init_object (&any,
918 ATK_OBJECT (gobject),
923 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
926 else if (strcmp (prop_name, "accessible-table-row-header") == 0)
928 i = g_value_get_int (&(values->new_value));
929 ao = atk_table_get_row_header (ATK_TABLE (gobject), i);
932 s_ao = spi_accessible_new (ao);
933 c_obj = BONOBO_OBJREF (s_ao);
934 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
938 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
941 else if (strcmp (prop_name, "accessible-table-row-description") == 0)
943 i = g_value_get_int (&(values->new_value));
944 sp = atk_table_get_row_description (ATK_TABLE (gobject), i);
945 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
948 else if (strcmp (prop_name, "accessible-table-column-description") == 0)
950 i = g_value_get_int (&(values->new_value));
951 sp = atk_table_get_column_description (ATK_TABLE (gobject), i);
952 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
955 else if (strcmp (prop_name, "accessible-table-caption-object") == 0)
957 ao = atk_table_get_caption (ATK_TABLE (gobject));
958 sp = atk_object_get_name (ao);
959 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
964 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
967 spi_atk_emit_eventv (gobject, 0, 0, &any,
968 "object:property-change:%s", prop_name);
971 bonobo_object_unref (BONOBO_OBJECT (s_ao));
977 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
978 guint n_param_values,
979 const GValue *param_values,
983 gchar *property_name;
985 unsigned long detail1;
986 #ifdef SPI_BRIDGE_DEBUG
987 GSignalQuery signal_query;
990 g_signal_query (signal_hint->signal_id, &signal_query);
991 name = signal_query.signal_name;
992 fprintf (stderr, "Received (state) signal %s:%s\n",
993 g_type_name (signal_query.itype), name);
996 gobject = g_value_get_object (param_values + 0);
997 property_name = g_strdup (g_value_get_string (param_values + 1));
998 detail1 = (g_value_get_boolean (param_values + 2))
1000 type = g_strdup_printf ("object:state-changed:%s", property_name);
1001 spi_atk_emit_eventv (gobject,
1006 g_free (property_name);
1012 spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
1013 AtkKeyEventStruct *event)
1018 g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
1023 { /* this doesn't really need translating */
1024 g_print (_("WARNING: NULL key event reported."));
1027 keystroke->id = (CORBA_long) event->keyval;
1028 keystroke->hw_code = (CORBA_short) event->keycode;
1029 keystroke->timestamp = (CORBA_unsigned_long) event->timestamp;
1030 keystroke->modifiers = (CORBA_unsigned_short) (event->state & 0xFFFF);
1035 keystroke->event_string = CORBA_string_dup (event->string);
1036 c = g_utf8_get_char_validated (event->string, -1);
1037 if (c > 0 && g_unichar_isprint (c))
1038 keystroke->is_text = CORBA_TRUE;
1040 keystroke->is_text = CORBA_FALSE;
1044 keystroke->event_string = CORBA_string_dup ("");
1045 keystroke->is_text = CORBA_FALSE;
1047 switch (event->type)
1049 case (ATK_KEY_EVENT_PRESS):
1050 keystroke->type = Accessibility_KEY_PRESSED_EVENT;
1052 case (ATK_KEY_EVENT_RELEASE):
1053 keystroke->type = Accessibility_KEY_RELEASED_EVENT;
1056 keystroke->type = 0;
1060 g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
1061 (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
1062 (int) keystroke->modifiers,
1063 keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
1068 spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
1070 CORBA_boolean result;
1071 Accessibility_DeviceEvent key_event;
1073 CORBA_exception_init (&ev);
1075 spi_init_keystroke_from_atk_key_event (&key_event, event);
1077 bridge_threads_leave ();
1078 result = Accessibility_DeviceEventController_notifyListenersSync (
1079 spi_atk_bridget_get_dec (), &key_event, &ev);
1080 bridge_threads_enter ();
1082 if (key_event.event_string) CORBA_free (key_event.event_string);
1087 CORBA_exception_free (&ev);
1094 spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
1095 guint n_param_values,
1096 const GValue *param_values,
1100 GSignalQuery signal_query;
1102 const gchar *detail;
1107 gint detail1 = 0, detail2 = 0;
1108 SpiAccessible *s_ao = NULL;
1109 #ifdef SPI_BRIDGE_DEBUG
1110 const gchar *s, *s2;
1113 g_signal_query (signal_hint->signal_id, &signal_query);
1115 name = signal_query.signal_name;
1116 if (signal_hint->detail)
1117 detail = g_quark_to_string (signal_hint->detail);
1121 #ifdef SPI_BRIDGE_DEBUG
1122 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1123 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1124 fprintf (stderr, "Received signal %s:%s detail: %s from object %s (gail %s)\n",
1125 g_type_name (signal_query.itype), name,
1126 detail ? detail : "<NULL>", s ? s : "<NULL>" , s2);
1129 gobject = g_value_get_object (param_values + 0);
1131 if (signal_query.signal_id == atk_signal_active_descendant_changed)
1133 gpointer child = g_value_get_pointer (param_values + 1);
1135 g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE);
1137 ao = ATK_OBJECT (child);
1139 detail1 = atk_object_get_index_in_parent (ao);
1140 s_ao = spi_accessible_new (ao);
1141 c_obj = BONOBO_OBJREF (s_ao);
1142 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
1144 else if (signal_query.signal_id == atk_signal_link_selected)
1146 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1147 detail1 = g_value_get_int (param_values + 1);
1148 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1150 else if (signal_query.signal_id == atk_signal_bounds_changed)
1152 AtkRectangle *atk_rect = NULL;
1154 if (G_VALUE_HOLDS_BOXED (param_values + 1))
1155 atk_rect = g_value_get_boxed (param_values + 1);
1156 spi_atk_bridge_init_rect (&any, ATK_OBJECT (gobject), atk_rect);
1158 else if ((signal_query.signal_id == atk_signal_children_changed) && gobject)
1160 detail1 = g_value_get_uint (param_values + 1);
1161 ao = atk_object_ref_accessible_child (ATK_OBJECT (gobject),
1165 s_ao = spi_accessible_new (ao);
1166 c_obj = BONOBO_OBJREF (s_ao);
1167 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
1168 g_object_unref (ao);
1172 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1177 if (n_param_values >= 2)
1179 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1180 detail1 = g_value_get_int (param_values + 1);
1181 if (n_param_values >= 3)
1183 if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
1184 detail2 = g_value_get_int (param_values + 2);
1188 if (signal_query.signal_id == atk_signal_text_changed)
1190 sp = atk_text_get_text (ATK_TEXT (gobject),
1193 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
1196 else if (signal_query.signal_id == atk_signal_text_selection_changed)
1198 /* Return NULL as the selected string */
1199 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1203 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1208 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1209 "object:%s:%s", name, detail);
1211 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1218 bonobo_object_unref (BONOBO_OBJECT (s_ao));
1224 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
1225 guint n_param_values,
1226 const GValue *param_values,
1230 GSignalQuery signal_query;
1232 const gchar *name, *s;
1233 #ifdef SPI_BRIDGE_DEBUG
1237 g_signal_query (signal_hint->signal_id, &signal_query);
1239 name = signal_query.signal_name;
1241 #ifdef SPI_BRIDGE_DEBUG
1242 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1243 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1244 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1245 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1248 gobject = g_value_get_object (param_values + 0);
1250 s = atk_object_get_name (ATK_OBJECT (gobject));
1251 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1253 spi_atk_emit_eventv (gobject, 0, 0, &any,
1259 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
1260 guint n_param_values,
1261 const GValue *param_values,
1265 GSignalQuery signal_query;
1267 const gchar *name, *s;
1268 #ifdef SPI_BRIDGE_DEBUG
1272 g_signal_query (signal_hint->signal_id, &signal_query);
1274 name = signal_query.signal_name;
1276 #ifdef SPI_BRIDGE_DEBUG
1277 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1278 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1279 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1280 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1283 gobject = g_value_get_object (param_values + 0);
1285 s = atk_object_get_name (ATK_OBJECT (gobject));
1286 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1288 spi_atk_emit_eventv (gobject, 0, 0, &any,
1289 "document:%s", name);
1294 spi_atk_tidy_windows (void)
1300 root = atk_get_root ();
1301 n_children = atk_object_get_n_accessible_children (root);
1302 for (i = 0; i < n_children; i++)
1305 AtkStateSet *stateset;
1309 child = atk_object_ref_accessible_child (root, i);
1310 stateset = atk_object_ref_state_set (child);
1312 name = atk_object_get_name (child);
1313 if (atk_state_set_contains_state (stateset, ATK_STATE_ACTIVE))
1315 spi_atk_bridge_init_string (&any, child, (gchar**) &name);
1316 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:deactivate");
1320 g_object_unref (stateset);
1322 spi_atk_bridge_init_string (&any, child, (gchar**) &name);
1323 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:destroy");
1324 g_object_unref (child);
1329 reinit_register_vars (void)
1331 registry = CORBA_OBJECT_NIL;
1332 device_event_controller = CORBA_OBJECT_NIL;
1337 spi_atk_bridge_init_base (CORBA_any *any, AtkObject *obj,
1338 Accessibility_Application *app, Accessibility_Role *role,
1341 const gchar *s = atk_object_get_name (obj);
1342 *app = spi_accessible_new_return (atk_get_root (), FALSE, NULL);
1343 *role = spi_role_from_atk_role (atk_object_get_role (obj));
1344 *name = s ? s : ""; /* string gets dup-ed in util.c spi_init_any_* */
1348 spi_atk_bridge_init_nil (CORBA_any *any, AtkObject *obj)
1350 Accessibility_Application app = CORBA_OBJECT_NIL;
1351 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1353 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1354 spi_init_any_nil (any, app, role, name);
1358 spi_atk_bridge_init_object (CORBA_any *any, AtkObject *obj, CORBA_Object *c_obj)
1360 Accessibility_Application app = CORBA_OBJECT_NIL;
1361 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1363 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1364 spi_init_any_object (any, app, role, name, c_obj);
1368 spi_atk_bridge_init_string (CORBA_any *any, AtkObject *obj, gchar **string)
1370 Accessibility_Application app = CORBA_OBJECT_NIL;
1371 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1373 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1374 spi_init_any_string (any, app, role, name, string);
1378 spi_atk_bridge_init_rect (CORBA_any *any, AtkObject *obj, AtkRectangle *rect)
1380 Accessibility_Application app = CORBA_OBJECT_NIL;
1381 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1383 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1384 spi_init_any_rect (any, app, role, name, rect);