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) atk_misc_threads_leave(misc)
51 #define bridge_threads_enter() \
52 if (!during_init_shutdown) 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)) {
411 CORBA_exception_init (&ev);
415 return CORBA_OBJECT_NIL;
417 DBG (1, g_warning ("registry died! restarting..."));
420 /* XXX: This presumes that the registry has successfully restarted itself already...*/
421 ior = (char *) spi_atk_bridge_get_registry_ior ();
424 registry = CORBA_ORB_string_to_object (bonobo_activation_orb_get (),
427 g_warning ("IOR not set.");
428 registry = CORBA_OBJECT_NIL;
431 if (ev._major != CORBA_NO_EXCEPTION)
433 g_error ("Accessibility app error: exception during "
434 "registry activation from id: %s\n",
435 CORBA_exception_id (&ev));
436 CORBA_exception_free (&ev);
439 if (registry_died && registry) {
440 registry_died = FALSE;
441 spi_atk_bridge_register_application (registry);
447 static Accessibility_DeviceEventController
448 spi_atk_bridget_get_dec (void)
450 CORBA_Environment ev;
452 if (device_event_controller != CORBA_OBJECT_NIL)
454 if (ORBit_small_get_connection_status (device_event_controller)
455 == ORBIT_CONNECTION_CONNECTED)
456 return device_event_controller;
459 CORBA_exception_init (&ev);
461 device_event_controller =
462 Accessibility_Registry_getDeviceEventController (
463 spi_atk_bridge_get_registry (), &ev);
467 g_warning (_("failure: no device event controller found.\n"));
468 registry_died = TRUE;
469 device_event_controller = CORBA_OBJECT_NIL;
472 return device_event_controller;
476 gtk_module_init (gint *argc, gchar **argv[])
478 return atk_bridge_init (argc, argv);
482 add_signal_listener (const char *signal_name)
486 id = atk_add_global_event_listener (
487 spi_atk_bridge_signal_listener, signal_name);
489 g_array_append_val (listener_ids, id);
493 spi_atk_register_event_listeners (void)
496 * kludge to make sure the Atk interface types are registered, otherwise
497 * the AtkText signal handlers below won't get registered
500 GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
501 AtkObject *bo = atk_no_op_object_new (ao);
504 if (atk_listeners_registered) return;
506 atk_listeners_registered = TRUE;
508 /* Register for focus event notifications, and register app with central registry */
510 listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
512 atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
514 id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
515 "Gtk:AtkObject:property-change");
516 g_array_append_val (listener_ids, id);
517 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
519 g_array_append_val (listener_ids, id);
520 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
522 g_array_append_val (listener_ids, id);
523 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
525 g_array_append_val (listener_ids, id);
526 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
528 g_array_append_val (listener_ids, id);
529 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
531 g_array_append_val (listener_ids, id);
532 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
534 g_array_append_val (listener_ids, id);
535 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
536 "window:deactivate");
537 g_array_append_val (listener_ids, id);
538 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
539 "Gtk:AtkDocument:load-complete");
540 g_array_append_val (listener_ids, id);
541 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
542 "Gtk:AtkDocument:reload");
543 g_array_append_val (listener_ids, id);
544 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
545 "Gtk:AtkDocument:load-stopped");
546 g_array_append_val (listener_ids, id);
547 id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
548 "Gtk:AtkObject:state-change");
549 g_array_append_val (listener_ids, id);
551 add_signal_listener ("Gtk:AtkObject:children-changed");
552 add_signal_listener ("Gtk:AtkObject:visible-data-changed");
553 add_signal_listener ("Gtk:AtkObject:active-descendant-changed");
554 add_signal_listener ("Gtk:AtkComponent:bounds-changed");
555 add_signal_listener ("Gtk:AtkSelection:selection-changed");
556 add_signal_listener ("Gtk:AtkText:text-selection-changed");
557 add_signal_listener ("Gtk:AtkText:text-changed");
558 add_signal_listener ("Gtk:AtkText:text-caret-moved");
559 add_signal_listener ("Gtk:AtkTable:row-inserted");
560 add_signal_listener ("Gtk:AtkTable:row-reordered");
561 add_signal_listener ("Gtk:AtkTable:row-deleted");
562 add_signal_listener ("Gtk:AtkTable:column-inserted");
563 add_signal_listener ("Gtk:AtkTable:column-reordered");
564 add_signal_listener ("Gtk:AtkTable:column-deleted");
565 add_signal_listener ("Gtk:AtkTable:model-changed");
566 add_signal_listener ("Gtk:AtkHypertext:link-selected");
568 * May add the following listeners to implement preemptive key listening for GTK+
570 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
571 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
573 atk_bridge_key_event_listener_id = atk_add_key_event_listener (
574 spi_atk_bridge_key_listener, NULL);
576 g_object_unref (G_OBJECT (bo));
581 deregister_application (BonoboObject *app)
583 Accessibility_Registry registry = spi_atk_bridge_get_registry ();
584 bridge_threads_leave ();
585 Accessibility_Registry_deregisterApplication (registry, BONOBO_OBJREF (app), &ev);
586 bridge_threads_enter ();
588 device_event_controller = bonobo_object_release_unref (device_event_controller, &ev);
589 registry = bonobo_object_release_unref (registry, &ev);
591 app = bonobo_object_unref (app);
595 spi_atk_bridge_exit_func (void)
597 BonoboObject *app = (BonoboObject *) this_app;
599 DBG (1, g_message ("exiting bridge\n"));
606 if (atk_bridge_pid != getpid ())
611 during_init_shutdown = TRUE;
614 * Check whether we still have windows which have not been deleted.
616 spi_atk_tidy_windows ();
618 * FIXME: this may be incorrect for apps that do their own bonobo
619 * shutdown, until we can explicitly shutdown to get the ordering
622 if (!bonobo_is_initialized ())
624 DBG (1, g_warning ("Re-initializing bonobo\n"));
625 g_assert (bonobo_init (0, NULL));
626 g_assert (bonobo_activate ());
630 deregister_application (app);
632 DBG (1, g_message ("bridge exit func complete.\n"));
634 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
636 g_assert (!bonobo_debug_shutdown ());
639 XCloseDisplay (bridge_display);
643 gnome_accessibility_module_init (void)
645 atk_bridge_init (NULL, NULL);
647 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
649 g_print("Atk Accessibility bridge initialized\n");
654 gnome_accessibility_module_shutdown (void)
656 BonoboObject *app = (BonoboObject *) this_app;
658 GArray *ids = listener_ids;
660 if (!atk_bridge_initialized)
664 during_init_shutdown = TRUE;
665 atk_bridge_initialized = FALSE;
668 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
670 g_print("Atk Accessibility bridge shutdown\n");
674 if (atk_bridge_focus_tracker_id)
675 atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
677 for (i = 0; ids && i < ids->len; i++)
679 atk_remove_global_event_listener (g_array_index (ids, guint, i));
682 if (atk_bridge_key_event_listener_id)
683 atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
685 deregister_application (app);
691 spi_atk_bridge_focus_tracker (AtkObject *object)
693 SpiAccessible *source;
694 Accessibility_Event e;
696 source = spi_accessible_new (object);
698 CORBA_exception_init (&ev);
701 e.source = BONOBO_OBJREF (source);
704 spi_atk_bridge_init_nil (&e.any_data, object);
706 registry_died = TRUE;
708 bridge_threads_leave ();
709 Accessibility_Registry_notifyEvent (spi_atk_bridge_get_registry (),
711 bridge_threads_enter ();
714 registry_died = TRUE;
716 bonobo_object_unref (source);
718 CORBA_exception_free (&ev);
722 spi_atk_emit_eventv (const GObject *gobject,
726 const char *format, ...)
729 Accessibility_Event e;
731 SpiAccessible *source = NULL;
732 Accessibility_Registry registry;
734 #ifdef SPI_BRIDGE_DEBUG
735 CORBA_string s = NULL;
738 va_start (args, format);
740 if (ATK_IS_IMPLEMENTOR (gobject))
742 aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
743 source = spi_accessible_new (aobject);
744 g_object_unref (G_OBJECT (aobject));
746 else if (ATK_IS_OBJECT (gobject))
748 aobject = ATK_OBJECT (gobject);
749 if (SPI_IS_REMOTE_OBJECT (aobject))
750 e.source = spi_remote_object_get_accessible (SPI_REMOTE_OBJECT (aobject));
752 source = spi_accessible_new (aobject);
757 DBG (0, g_warning ("received property-change event from non-AtkImplementor"));
761 name = atk_object_get_name (aobject);
762 e.type = g_strdup_vprintf (format, args);
763 if (source) e.source = BONOBO_OBJREF (source);
766 if (any) e.any_data = *any;
767 else spi_atk_bridge_init_nil (&e.any_data, aobject);
769 #ifdef SPI_BRIDGE_DEBUG
770 if (e.source != CORBA_OBJECT_NIL)
771 s = Accessibility_Accessible__get_name (e.source, &ev);
772 g_message ("Emitting event '%s' (%lu, %lu) on %s",
773 e.type, e.detail1, e.detail2, s);
776 CORBA_exception_init (&ev);
777 registry = spi_atk_bridge_get_registry ();
780 bridge_threads_leave ();
781 Accessibility_Registry_notifyEvent (registry,
783 bridge_threads_enter ();
784 #ifdef SPI_BRIDGE_DEBUG
785 if (ev._major != CORBA_NO_EXCEPTION)
786 g_message ("error emitting event %s, (%d) %s",
789 CORBA_exception_id(&ev));
791 if (BONOBO_EX (&ev)) registry_died = TRUE;
795 bonobo_object_unref (BONOBO_OBJECT (source));
797 Bonobo_Unknown_unref (e.source, &ev);
799 CORBA_exception_free (&ev);
803 if (!any && e.any_data._release) CORBA_free (e.any_data._value);
805 if (any && any->_release) CORBA_free (any->_value);
812 spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
813 guint n_param_values,
814 const GValue *param_values,
817 AtkPropertyValues *values;
819 const gchar *prop_name;
821 const gchar *sp = NULL;
823 SpiAccessible *s_ao = NULL;
826 const gchar *name = NULL;
828 #ifdef SPI_BRIDGE_DEBUG
829 GSignalQuery signal_query;
830 const gchar *signame;
833 g_signal_query (signal_hint->signal_id, &signal_query);
834 signame = signal_query.signal_name;
836 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
837 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
838 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
839 DBG (2, g_message ("Received (property) signal %s:%s:%s from object %s (gail %s)\n",
840 g_type_name (signal_query.itype), signame, values->property_name, s, s2));
844 gobject = g_value_get_object (param_values + 0);
845 name = atk_object_get_name (ATK_OBJECT (gobject));
846 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
848 prop_name = values->property_name;
849 if (strcmp (prop_name, "accessible-name") == 0)
851 spi_atk_bridge_init_string (&any,
852 ATK_OBJECT (gobject),
855 else if (strcmp (prop_name, "accessible-description") == 0)
857 sp = atk_object_get_description (ATK_OBJECT (gobject));
858 spi_atk_bridge_init_string (&any,
859 ATK_OBJECT (gobject),
862 else if (strcmp (prop_name, "accessible-parent") == 0)
864 ao = atk_object_get_parent (ATK_OBJECT (gobject));
867 s_ao = spi_accessible_new (ao);
868 c_obj = BONOBO_OBJREF (s_ao);
869 spi_atk_bridge_init_object (&any,
870 ATK_OBJECT (gobject),
875 spi_atk_bridge_init_nil (&any,
876 ATK_OBJECT (gobject));
879 else if (strcmp (prop_name, "accessible-table-summary") == 0)
881 ao = atk_table_get_summary (ATK_TABLE (gobject));
884 s_ao = spi_accessible_new (ao);
885 c_obj = BONOBO_OBJREF (s_ao);
886 spi_atk_bridge_init_object (&any,
887 ATK_OBJECT (gobject),
892 spi_atk_bridge_init_nil (&any,
893 ATK_OBJECT (gobject));
896 else if (strcmp (prop_name, "accessible-table-column-header") == 0)
898 i = g_value_get_int (&(values->new_value));
899 ao = atk_table_get_column_header (ATK_TABLE (gobject), i);
902 s_ao = spi_accessible_new (ao);
903 c_obj = BONOBO_OBJREF (s_ao);
904 spi_atk_bridge_init_object (&any,
905 ATK_OBJECT (gobject),
910 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
913 else if (strcmp (prop_name, "accessible-table-row-header") == 0)
915 i = g_value_get_int (&(values->new_value));
916 ao = atk_table_get_row_header (ATK_TABLE (gobject), i);
919 s_ao = spi_accessible_new (ao);
920 c_obj = BONOBO_OBJREF (s_ao);
921 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
925 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
928 else if (strcmp (prop_name, "accessible-table-row-description") == 0)
930 i = g_value_get_int (&(values->new_value));
931 sp = atk_table_get_row_description (ATK_TABLE (gobject), i);
932 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
935 else if (strcmp (prop_name, "accessible-table-column-description") == 0)
937 i = g_value_get_int (&(values->new_value));
938 sp = atk_table_get_column_description (ATK_TABLE (gobject), i);
939 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
942 else if (strcmp (prop_name, "accessible-table-caption-object") == 0)
944 ao = atk_table_get_caption (ATK_TABLE (gobject));
945 sp = atk_object_get_name (ao);
946 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
951 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
954 spi_atk_emit_eventv (gobject, 0, 0, &any,
955 "object:property-change:%s", prop_name);
958 bonobo_object_unref (BONOBO_OBJECT (s_ao));
964 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
965 guint n_param_values,
966 const GValue *param_values,
970 gchar *property_name;
972 unsigned long detail1;
973 #ifdef SPI_BRIDGE_DEBUG
974 GSignalQuery signal_query;
977 g_signal_query (signal_hint->signal_id, &signal_query);
978 name = signal_query.signal_name;
979 fprintf (stderr, "Received (state) signal %s:%s\n",
980 g_type_name (signal_query.itype), name);
983 gobject = g_value_get_object (param_values + 0);
984 property_name = g_strdup (g_value_get_string (param_values + 1));
985 detail1 = (g_value_get_boolean (param_values + 2))
987 type = g_strdup_printf ("object:state-changed:%s", property_name);
988 spi_atk_emit_eventv (gobject,
993 g_free (property_name);
999 spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
1000 AtkKeyEventStruct *event)
1005 g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
1010 { /* this doesn't really need translating */
1011 g_print (_("WARNING: NULL key event reported."));
1014 keystroke->id = (CORBA_long) event->keyval;
1015 keystroke->hw_code = (CORBA_short) event->keycode;
1016 keystroke->timestamp = (CORBA_unsigned_long) event->timestamp;
1017 keystroke->modifiers = (CORBA_unsigned_short) (event->state & 0xFFFF);
1022 keystroke->event_string = CORBA_string_dup (event->string);
1023 c = g_utf8_get_char_validated (event->string, -1);
1024 if (c > 0 && g_unichar_isprint (c))
1025 keystroke->is_text = CORBA_TRUE;
1027 keystroke->is_text = CORBA_FALSE;
1031 keystroke->event_string = CORBA_string_dup ("");
1032 keystroke->is_text = CORBA_FALSE;
1034 switch (event->type)
1036 case (ATK_KEY_EVENT_PRESS):
1037 keystroke->type = Accessibility_KEY_PRESSED_EVENT;
1039 case (ATK_KEY_EVENT_RELEASE):
1040 keystroke->type = Accessibility_KEY_RELEASED_EVENT;
1043 keystroke->type = 0;
1047 g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
1048 (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
1049 (int) keystroke->modifiers,
1050 keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
1055 spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
1057 CORBA_boolean result;
1058 Accessibility_DeviceEvent key_event;
1060 CORBA_exception_init (&ev);
1062 spi_init_keystroke_from_atk_key_event (&key_event, event);
1064 result = Accessibility_DeviceEventController_notifyListenersSync (
1065 spi_atk_bridget_get_dec (), &key_event, &ev);
1067 if (key_event.event_string) CORBA_free (key_event.event_string);
1069 if (BONOBO_EX(&ev)) {
1071 CORBA_exception_free (&ev);
1078 spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
1079 guint n_param_values,
1080 const GValue *param_values,
1084 GSignalQuery signal_query;
1086 const gchar *detail;
1091 gint detail1 = 0, detail2 = 0;
1092 SpiAccessible *s_ao = NULL;
1093 #ifdef SPI_BRIDGE_DEBUG
1094 const gchar *s, *s2;
1097 g_signal_query (signal_hint->signal_id, &signal_query);
1099 name = signal_query.signal_name;
1100 if (signal_hint->detail)
1101 detail = g_quark_to_string (signal_hint->detail);
1105 #ifdef SPI_BRIDGE_DEBUG
1106 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1107 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1108 fprintf (stderr, "Received signal %s:%s detail: %s from object %s (gail %s)\n",
1109 g_type_name (signal_query.itype), name,
1110 detail ? detail : "<NULL>", s ? s : "<NULL>" , s2);
1113 gobject = g_value_get_object (param_values + 0);
1115 if (signal_query.signal_id == atk_signal_active_descendant_changed)
1117 gpointer child = g_value_get_pointer (param_values + 1);
1119 g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE);
1121 ao = ATK_OBJECT (child);
1123 detail1 = atk_object_get_index_in_parent (ao);
1124 s_ao = spi_accessible_new (ao);
1125 c_obj = BONOBO_OBJREF (s_ao);
1126 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
1128 else if (signal_query.signal_id == atk_signal_link_selected)
1130 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1131 detail1 = g_value_get_int (param_values + 1);
1132 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1134 else if (signal_query.signal_id == atk_signal_bounds_changed)
1136 AtkRectangle *atk_rect = NULL;
1138 if (G_VALUE_HOLDS_BOXED (param_values + 1))
1139 atk_rect = g_value_get_boxed (param_values + 1);
1140 spi_atk_bridge_init_rect (&any, ATK_OBJECT (gobject), atk_rect);
1142 else if ((signal_query.signal_id == atk_signal_children_changed) && gobject)
1144 detail1 = g_value_get_uint (param_values + 1);
1145 ao = atk_object_ref_accessible_child (ATK_OBJECT (gobject),
1149 s_ao = spi_accessible_new (ao);
1150 c_obj = BONOBO_OBJREF (s_ao);
1151 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
1152 g_object_unref (ao);
1156 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1161 if (n_param_values >= 2)
1163 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1164 detail1 = g_value_get_int (param_values + 1);
1165 if (n_param_values >= 3)
1167 if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
1168 detail2 = g_value_get_int (param_values + 2);
1172 if (signal_query.signal_id == atk_signal_text_changed)
1174 sp = atk_text_get_text (ATK_TEXT (gobject),
1177 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
1180 else if (signal_query.signal_id == atk_signal_text_selection_changed)
1182 /* Return NULL as the selected string */
1183 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1187 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1192 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1193 "object:%s:%s", name, detail);
1195 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1202 bonobo_object_unref (BONOBO_OBJECT (s_ao));
1208 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
1209 guint n_param_values,
1210 const GValue *param_values,
1214 GSignalQuery signal_query;
1216 const gchar *name, *s;
1217 #ifdef SPI_BRIDGE_DEBUG
1221 g_signal_query (signal_hint->signal_id, &signal_query);
1223 name = signal_query.signal_name;
1225 #ifdef SPI_BRIDGE_DEBUG
1226 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1227 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1228 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1229 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1232 gobject = g_value_get_object (param_values + 0);
1234 s = atk_object_get_name (ATK_OBJECT (gobject));
1235 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1237 spi_atk_emit_eventv (gobject, 0, 0, &any,
1243 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
1244 guint n_param_values,
1245 const GValue *param_values,
1249 GSignalQuery signal_query;
1251 const gchar *name, *s;
1252 #ifdef SPI_BRIDGE_DEBUG
1256 g_signal_query (signal_hint->signal_id, &signal_query);
1258 name = signal_query.signal_name;
1260 #ifdef SPI_BRIDGE_DEBUG
1261 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1262 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1263 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1264 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1267 gobject = g_value_get_object (param_values + 0);
1269 s = atk_object_get_name (ATK_OBJECT (gobject));
1270 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1272 spi_atk_emit_eventv (gobject, 0, 0, &any,
1273 "document:%s", name);
1278 spi_atk_tidy_windows (void)
1284 root = atk_get_root ();
1285 n_children = atk_object_get_n_accessible_children (root);
1286 for (i = 0; i < n_children; i++)
1289 AtkStateSet *stateset;
1293 child = atk_object_ref_accessible_child (root, i);
1294 stateset = atk_object_ref_state_set (child);
1296 name = atk_object_get_name (child);
1297 if (atk_state_set_contains_state (stateset, ATK_STATE_ACTIVE))
1299 spi_atk_bridge_init_string (&any, child, (gchar**) &name);
1300 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:deactivate");
1304 g_object_unref (stateset);
1306 spi_atk_bridge_init_string (&any, child, (gchar**) &name);
1307 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:destroy");
1308 g_object_unref (child);
1313 reinit_register_vars (void)
1315 registry = CORBA_OBJECT_NIL;
1316 device_event_controller = CORBA_OBJECT_NIL;
1321 spi_atk_bridge_init_base (CORBA_any *any, AtkObject *obj,
1322 Accessibility_Application *app, Accessibility_Role *role,
1325 const gchar *s = atk_object_get_name (obj);
1326 *app = spi_accessible_new_return (atk_get_root (), FALSE, NULL);
1327 *role = spi_role_from_atk_role (atk_object_get_role (obj));
1328 *name = s ? s : ""; /* string gets dup-ed in util.c spi_init_any_* */
1332 spi_atk_bridge_init_nil (CORBA_any *any, AtkObject *obj)
1334 Accessibility_Application app = CORBA_OBJECT_NIL;
1335 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1337 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1338 spi_init_any_nil (any, app, role, name);
1342 spi_atk_bridge_init_object (CORBA_any *any, AtkObject *obj, CORBA_Object *c_obj)
1344 Accessibility_Application app = CORBA_OBJECT_NIL;
1345 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1347 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1348 spi_init_any_object (any, app, role, name, c_obj);
1352 spi_atk_bridge_init_string (CORBA_any *any, AtkObject *obj, gchar **string)
1354 Accessibility_Application app = CORBA_OBJECT_NIL;
1355 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1357 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1358 spi_init_any_string (any, app, role, name, string);
1362 spi_atk_bridge_init_rect (CORBA_any *any, AtkObject *obj, AtkRectangle *rect)
1364 Accessibility_Application app = CORBA_OBJECT_NIL;
1365 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1367 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1368 spi_init_any_rect (any, app, role, name, rect);