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
50 static CORBA_Environment ev;
51 static Accessibility_Registry registry = CORBA_OBJECT_NIL;
52 static Accessibility_DeviceEventController device_event_controller = CORBA_OBJECT_NIL;
53 static SpiApplication *this_app = NULL;
54 static gboolean registry_died = FALSE;
55 static gboolean atk_listeners_registered = FALSE;
56 static gint toplevels = 0;
57 static gboolean exiting = FALSE;
58 static AtkMisc *misc = NULL;
60 static guint atk_signal_text_changed;
61 static guint atk_signal_children_changed;
62 static guint atk_signal_active_descendant_changed;
63 static guint atk_signal_text_selection_changed;
66 static guint atk_signal_row_reordered;
67 static guint atk_signal_row_inserted;
68 static guint atk_signal_row_deleted;
69 static guint atk_signal_column_reordered;
70 static guint atk_signal_column_inserted;
71 static guint atk_signal_column_deleted;
74 static guint atk_signal_link_selected;
75 static guint atk_signal_bounds_changed;
77 static Accessibility_Registry spi_atk_bridge_get_registry (void);
78 static gboolean spi_atk_bridge_do_registration (void);
79 static void spi_atk_bridge_toplevel_added (AtkObject *object,
82 static void spi_atk_bridge_toplevel_removed (AtkObject *object,
86 static void spi_atk_bridge_exit_func (void);
87 static void spi_atk_register_event_listeners (void);
88 static void spi_atk_bridge_focus_tracker (AtkObject *object);
89 static gchar *spi_atk_bridge_get_registry_ior (void);
90 static void spi_atk_bridge_register_application (Accessibility_Registry registry);
91 static gboolean spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
93 const GValue *param_values,
96 static void spi_atk_bridge_init_nil (CORBA_any *any,
98 static void spi_atk_bridge_init_object (CORBA_any *any,
100 CORBA_Object *c_obj);
101 static void spi_atk_bridge_init_string (CORBA_any *any,
104 static void spi_atk_bridge_init_rect (CORBA_any *any,
109 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
110 guint n_param_values,
111 const GValue *param_values,
114 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
115 guint n_param_values,
116 const GValue *param_values,
119 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
120 guint n_param_values,
121 const GValue *param_values,
123 static gboolean spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
124 guint n_param_values,
125 const GValue *param_values,
127 static gint spi_atk_bridge_key_listener (AtkKeyEventStruct *event,
129 static void spi_atk_tidy_windows (void);
130 static void deregister_application (BonoboObject *app);
131 static void reinit_register_vars (void);
133 /* For automatic libgnome init */
134 extern void gnome_accessibility_module_init (void);
135 extern void gnome_accessibility_module_shutdown (void);
137 static int atk_bridge_initialized = FALSE;
138 static pid_t atk_bridge_pid = 0;
139 static guint atk_bridge_focus_tracker_id = 0;
140 static guint atk_bridge_key_event_listener_id = 0;
141 static GArray *listener_ids = NULL;
144 * These exported symbols are hooked by gnome-program
145 * to provide automatic module initialization and shutdown.
147 extern void gnome_accessibility_module_init (void);
148 extern void gnome_accessibility_module_shutdown (void);
151 spi_atk_bridge_init_event_type_consts ()
153 static gboolean done = FALSE;
158 atk_signal_children_changed = g_signal_lookup ("children_changed",
160 atk_signal_text_changed = g_signal_lookup ("text_changed",
162 atk_signal_bounds_changed = g_signal_lookup ("bounds_changed",
164 atk_signal_active_descendant_changed =
165 g_signal_lookup ("active_descendant_changed",
167 atk_signal_link_selected = g_signal_lookup ("link_selected",
169 atk_signal_text_selection_changed = g_signal_lookup ("text_selection_changed",
175 atk_bridge_init (gint *argc, gchar **argv[])
177 const char *debug_env_string = g_getenv ("AT_SPI_DEBUG");
179 gboolean success = FALSE;
181 if (atk_bridge_initialized)
185 atk_bridge_initialized = TRUE;
186 atk_bridge_pid = getpid ();
188 misc = atk_misc_get_instance();
190 if (g_getenv ("ATK_BRIDGE_REDIRECT_LOG"))
192 fname = g_strconcat ("/tmp/", g_get_prgname (), ".at-spi-log", NULL);
193 /* make sure we're not being redirected - security issue */
194 if (!g_file_test (fname, G_FILE_TEST_IS_SYMLINK))
195 freopen (fname, "w", stderr);
199 if (debug_env_string)
200 _dbg = (int) g_ascii_strtod (debug_env_string, NULL);
202 if (!bonobo_init (argc, argv ? *argv : NULL))
204 g_error ("Could not initialize Bonobo");
207 /* Create the accessible application server object */
208 this_app = spi_application_new (atk_get_root ());
210 * We only want to enable the bridge for top level
211 * applications, we detect bonobo components by seeing
212 * if they were activated with the intention of extracting
213 * an impl. by IID - very solid.
215 if (bonobo_activation_iid_get ())
217 DBG (1, g_message ("Found Bonobo component\n"));
218 g_signal_connect (atk_get_root (),
219 "children-changed::add",
220 (GCallback) spi_atk_bridge_toplevel_added,
222 g_signal_connect (atk_get_root (),
223 "children-changed::remove",
224 (GCallback) spi_atk_bridge_toplevel_removed,
226 /* in this case we redefine 'success' to mean 'registry is present' */
227 success = (spi_atk_bridge_get_registry () != CORBA_OBJECT_NIL);
231 success = spi_atk_bridge_do_registration ();
234 * we must emit events even if we are not registered as a
235 * full-fledged app; See bugzilla #400709.
239 spi_atk_register_event_listeners ();
240 spi_atk_bridge_init_event_type_consts ();
244 atk_bridge_initialized = FALSE;
251 spi_atk_bridge_do_registration (void)
253 CORBA_Environment ev;
255 CORBA_exception_init(&ev);
257 if (spi_atk_bridge_get_registry () == CORBA_OBJECT_NIL)
259 g_warning ("Could not locate registry");
265 /* Create the accessible application server object */
266 if (this_app == NULL)
267 this_app = spi_application_new (atk_get_root ());
269 DBG (1, g_message ("About to register application\n"));
271 spi_atk_bridge_register_application (spi_atk_bridge_get_registry ());
273 g_atexit (spi_atk_bridge_exit_func);
275 DBG (1, g_message ("Application registered & listening\n"));
280 spi_atk_bridge_toplevel_added (AtkObject *object,
286 spi_atk_bridge_do_registration ();
292 spi_atk_bridge_toplevel_removed (AtkObject *object,
296 BonoboObject *app = (BonoboObject *) this_app;
301 deregister_application (app);
302 reinit_register_vars ();
306 g_warning ("More toplevels removed than added\n");
312 spi_atk_bridge_register_application (Accessibility_Registry registry)
314 atk_misc_threads_leave (misc);
315 Accessibility_Registry_registerApplication (spi_atk_bridge_get_registry (),
316 BONOBO_OBJREF (this_app),
318 atk_misc_threads_enter (misc);
319 if (ev._major != CORBA_NO_EXCEPTION)
320 CORBA_exception_free (&ev);
324 * Returns a 'canonicalized' value for DISPLAY,
325 * with the screen number stripped off if present.
328 spi_display_name (void)
330 static const char *canonical_display_name = NULL;
331 if (!canonical_display_name)
333 const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
336 display_env = g_getenv ("DISPLAY");
337 if (!display_env || !display_env[0])
338 canonical_display_name = ":0";
341 gchar *display_p, *screen_p;
342 canonical_display_name = g_strdup (display_env);
343 display_p = strrchr (canonical_display_name, ':');
344 screen_p = strrchr (canonical_display_name, '.');
345 if (screen_p && display_p && (screen_p > display_p))
353 canonical_display_name = display_env;
356 return canonical_display_name;
359 static Display *bridge_display = NULL;
362 spi_atk_bridge_get_registry_ior (void)
368 unsigned char *data = NULL;
369 unsigned long nitems;
370 unsigned long leftover;
372 bridge_display = XOpenDisplay (spi_display_name ());
374 AT_SPI_IOR = XInternAtom (bridge_display, "AT_SPI_IOR", False);
375 XGetWindowProperty(bridge_display,
376 XDefaultRootWindow (bridge_display),
379 (Atom) 31, &actual_type, &actual_format,
380 &nitems, &leftover, &data);
382 g_warning (_("AT_SPI_REGISTRY was not started at session startup."));
384 return (gchar *) data;
389 static Accessibility_Registry
390 spi_atk_bridge_get_registry (void)
392 CORBA_Environment ev;
395 if (registry_died || (registry == CORBA_OBJECT_NIL)) {
396 CORBA_exception_init (&ev);
400 return CORBA_OBJECT_NIL;
402 DBG (1, g_warning ("registry died! restarting..."));
405 /* XXX: This presumes that the registry has successfully restarted itself already...*/
406 ior = (char *) spi_atk_bridge_get_registry_ior ();
409 registry = CORBA_ORB_string_to_object (bonobo_activation_orb_get (),
412 g_warning ("IOR not set.");
413 registry = CORBA_OBJECT_NIL;
416 if (ev._major != CORBA_NO_EXCEPTION)
418 g_error ("Accessibility app error: exception during "
419 "registry activation from id: %s\n",
420 CORBA_exception_id (&ev));
421 CORBA_exception_free (&ev);
424 if (registry_died && registry) {
425 registry_died = FALSE;
426 spi_atk_bridge_register_application (registry);
432 static Accessibility_DeviceEventController
433 spi_atk_bridget_get_dec (void)
435 CORBA_Environment ev;
437 if (device_event_controller != CORBA_OBJECT_NIL)
439 if (ORBit_small_get_connection_status (device_event_controller)
440 == ORBIT_CONNECTION_CONNECTED)
441 return device_event_controller;
444 CORBA_exception_init (&ev);
446 device_event_controller =
447 Accessibility_Registry_getDeviceEventController (
448 spi_atk_bridge_get_registry (), &ev);
452 g_warning (_("failure: no device event controller found.\n"));
453 registry_died = TRUE;
454 device_event_controller = CORBA_OBJECT_NIL;
457 return device_event_controller;
461 gtk_module_init (gint *argc, gchar **argv[])
463 return atk_bridge_init (argc, argv);
467 add_signal_listener (const char *signal_name)
471 id = atk_add_global_event_listener (
472 spi_atk_bridge_signal_listener, signal_name);
474 g_array_append_val (listener_ids, id);
478 spi_atk_register_event_listeners (void)
481 * kludge to make sure the Atk interface types are registered, otherwise
482 * the AtkText signal handlers below won't get registered
485 GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
486 AtkObject *bo = atk_no_op_object_new (ao);
489 if (atk_listeners_registered) return;
491 atk_listeners_registered = TRUE;
493 /* Register for focus event notifications, and register app with central registry */
495 listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
497 atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
499 id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
500 "Gtk:AtkObject:property-change");
501 g_array_append_val (listener_ids, id);
502 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
504 g_array_append_val (listener_ids, id);
505 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
507 g_array_append_val (listener_ids, id);
508 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
510 g_array_append_val (listener_ids, id);
511 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
513 g_array_append_val (listener_ids, id);
514 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
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,
521 "window:deactivate");
522 g_array_append_val (listener_ids, id);
523 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
524 "Gtk:AtkDocument:load-complete");
525 g_array_append_val (listener_ids, id);
526 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
527 "Gtk:AtkDocument:reload");
528 g_array_append_val (listener_ids, id);
529 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
530 "Gtk:AtkDocument:load-stopped");
531 g_array_append_val (listener_ids, id);
532 id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
533 "Gtk:AtkObject:state-change");
534 g_array_append_val (listener_ids, id);
536 add_signal_listener ("Gtk:AtkObject:children-changed");
537 add_signal_listener ("Gtk:AtkObject:visible-data-changed");
538 add_signal_listener ("Gtk:AtkObject:active-descendant-changed");
539 add_signal_listener ("Gtk:AtkComponent:bounds-changed");
540 add_signal_listener ("Gtk:AtkSelection:selection-changed");
541 add_signal_listener ("Gtk:AtkText:text-selection-changed");
542 add_signal_listener ("Gtk:AtkText:text-changed");
543 add_signal_listener ("Gtk:AtkText:text-caret-moved");
544 add_signal_listener ("Gtk:AtkTable:row-inserted");
545 add_signal_listener ("Gtk:AtkTable:row-reordered");
546 add_signal_listener ("Gtk:AtkTable:row-deleted");
547 add_signal_listener ("Gtk:AtkTable:column-inserted");
548 add_signal_listener ("Gtk:AtkTable:column-reordered");
549 add_signal_listener ("Gtk:AtkTable:column-deleted");
550 add_signal_listener ("Gtk:AtkTable:model-changed");
551 add_signal_listener ("Gtk:AtkHypertext:link-selected");
553 * May add the following listeners to implement preemptive key listening for GTK+
555 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
556 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
558 atk_bridge_key_event_listener_id = atk_add_key_event_listener (
559 spi_atk_bridge_key_listener, NULL);
561 g_object_unref (G_OBJECT (bo));
566 deregister_application (BonoboObject *app)
568 Accessibility_Registry registry = spi_atk_bridge_get_registry ();
569 atk_misc_threads_leave (misc);
570 Accessibility_Registry_deregisterApplication (registry, BONOBO_OBJREF (app), &ev);
571 atk_misc_threads_enter (misc);
573 device_event_controller = bonobo_object_release_unref (device_event_controller, &ev);
574 registry = bonobo_object_release_unref (registry, &ev);
576 app = bonobo_object_unref (app);
580 spi_atk_bridge_exit_func (void)
582 BonoboObject *app = (BonoboObject *) this_app;
584 DBG (1, g_message ("exiting bridge\n"));
591 if (atk_bridge_pid != getpid ())
598 * Check whether we still have windows which have not been deleted.
600 spi_atk_tidy_windows ();
602 * FIXME: this may be incorrect for apps that do their own bonobo
603 * shutdown, until we can explicitly shutdown to get the ordering
606 if (!bonobo_is_initialized ())
608 DBG (1, g_warning ("Re-initializing bonobo\n"));
609 g_assert (bonobo_init (0, NULL));
610 g_assert (bonobo_activate ());
614 deregister_application (app);
616 DBG (1, g_message ("bridge exit func complete.\n"));
618 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
620 g_assert (!bonobo_debug_shutdown ());
623 XCloseDisplay (bridge_display);
627 gnome_accessibility_module_init (void)
629 atk_bridge_init (NULL, NULL);
631 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
633 g_print("Atk Accessibility bridge initialized\n");
638 gnome_accessibility_module_shutdown (void)
640 BonoboObject *app = (BonoboObject *) this_app;
642 GArray *ids = listener_ids;
644 if (!atk_bridge_initialized)
648 atk_bridge_initialized = FALSE;
651 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
653 g_print("Atk Accessibility bridge shutdown\n");
657 if (atk_bridge_focus_tracker_id)
658 atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
660 for (i = 0; ids && i < ids->len; i++)
662 atk_remove_global_event_listener (g_array_index (ids, guint, i));
665 if (atk_bridge_key_event_listener_id)
666 atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
668 deregister_application (app);
674 spi_atk_bridge_focus_tracker (AtkObject *object)
676 SpiAccessible *source;
677 Accessibility_Event e;
679 source = spi_accessible_new (object);
681 CORBA_exception_init (&ev);
684 e.source = BONOBO_OBJREF (source);
687 spi_atk_bridge_init_nil (&e.any_data, object);
689 registry_died = TRUE;
691 atk_misc_threads_leave (misc);
692 Accessibility_Registry_notifyEvent (spi_atk_bridge_get_registry (),
694 atk_misc_threads_enter (misc);
697 registry_died = TRUE;
699 bonobo_object_unref (source);
701 CORBA_exception_free (&ev);
705 spi_atk_emit_eventv (const GObject *gobject,
709 const char *format, ...)
712 Accessibility_Event e;
714 SpiAccessible *source = NULL;
715 Accessibility_Registry registry;
717 #ifdef SPI_BRIDGE_DEBUG
718 CORBA_string s = NULL;
721 va_start (args, format);
723 if (ATK_IS_IMPLEMENTOR (gobject))
725 aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
726 source = spi_accessible_new (aobject);
727 g_object_unref (G_OBJECT (aobject));
729 else if (ATK_IS_OBJECT (gobject))
731 aobject = ATK_OBJECT (gobject);
732 if (SPI_IS_REMOTE_OBJECT (aobject))
733 e.source = spi_remote_object_get_accessible (SPI_REMOTE_OBJECT (aobject));
735 source = spi_accessible_new (aobject);
740 DBG (0, g_warning ("received property-change event from non-AtkImplementor"));
744 name = atk_object_get_name (aobject);
745 e.type = g_strdup_vprintf (format, args);
746 if (source) e.source = BONOBO_OBJREF (source);
749 if (any) e.any_data = *any;
750 else spi_atk_bridge_init_nil (&e.any_data, aobject);
752 #ifdef SPI_BRIDGE_DEBUG
753 if (e.source != CORBA_OBJECT_NIL)
754 s = Accessibility_Accessible__get_name (e.source, &ev);
755 g_message ("Emitting event '%s' (%lu, %lu) on %s",
756 e.type, e.detail1, e.detail2, s);
759 CORBA_exception_init (&ev);
760 registry = spi_atk_bridge_get_registry ();
763 atk_misc_threads_leave (misc);
764 Accessibility_Registry_notifyEvent (registry,
766 atk_misc_threads_enter (misc);
767 #ifdef SPI_BRIDGE_DEBUG
768 if (ev._major != CORBA_NO_EXCEPTION)
769 g_message ("error emitting event %s, (%d) %s",
772 CORBA_exception_id(&ev));
774 if (BONOBO_EX (&ev)) registry_died = TRUE;
778 bonobo_object_unref (BONOBO_OBJECT (source));
780 Bonobo_Unknown_unref (e.source, &ev);
782 CORBA_exception_free (&ev);
786 if (!any && e.any_data._release) CORBA_free (e.any_data._value);
788 if (any && any->_release) CORBA_free (any->_value);
795 spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
796 guint n_param_values,
797 const GValue *param_values,
800 AtkPropertyValues *values;
802 const gchar *prop_name;
804 const gchar *sp = NULL;
806 SpiAccessible *s_ao = NULL;
809 const gchar *name = NULL;
811 #ifdef SPI_BRIDGE_DEBUG
812 GSignalQuery signal_query;
813 const gchar *signame;
816 g_signal_query (signal_hint->signal_id, &signal_query);
817 signame = signal_query.signal_name;
819 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
820 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
821 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
822 DBG (2, g_message ("Received (property) signal %s:%s:%s from object %s (gail %s)\n",
823 g_type_name (signal_query.itype), signame, values->property_name, s, s2));
827 gobject = g_value_get_object (param_values + 0);
828 name = atk_object_get_name (ATK_OBJECT (gobject));
829 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
831 prop_name = values->property_name;
832 if (strcmp (prop_name, "accessible-name") == 0)
834 spi_atk_bridge_init_string (&any,
835 ATK_OBJECT (gobject),
838 else if (strcmp (prop_name, "accessible-description") == 0)
840 sp = atk_object_get_description (ATK_OBJECT (gobject));
841 spi_atk_bridge_init_string (&any,
842 ATK_OBJECT (gobject),
845 else if (strcmp (prop_name, "accessible-parent") == 0)
847 ao = atk_object_get_parent (ATK_OBJECT (gobject));
850 s_ao = spi_accessible_new (ao);
851 c_obj = BONOBO_OBJREF (s_ao);
852 spi_atk_bridge_init_object (&any,
853 ATK_OBJECT (gobject),
858 spi_atk_bridge_init_nil (&any,
859 ATK_OBJECT (gobject));
862 else if (strcmp (prop_name, "accessible-table-summary") == 0)
864 ao = atk_table_get_summary (ATK_TABLE (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-column-header") == 0)
881 i = g_value_get_int (&(values->new_value));
882 ao = atk_table_get_column_header (ATK_TABLE (gobject), i);
885 s_ao = spi_accessible_new (ao);
886 c_obj = BONOBO_OBJREF (s_ao);
887 spi_atk_bridge_init_object (&any,
888 ATK_OBJECT (gobject),
893 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
896 else if (strcmp (prop_name, "accessible-table-row-header") == 0)
898 i = g_value_get_int (&(values->new_value));
899 ao = atk_table_get_row_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, ATK_OBJECT (gobject), &c_obj);
908 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
911 else if (strcmp (prop_name, "accessible-table-row-description") == 0)
913 i = g_value_get_int (&(values->new_value));
914 sp = atk_table_get_row_description (ATK_TABLE (gobject), i);
915 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
918 else if (strcmp (prop_name, "accessible-table-column-description") == 0)
920 i = g_value_get_int (&(values->new_value));
921 sp = atk_table_get_column_description (ATK_TABLE (gobject), i);
922 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
925 else if (strcmp (prop_name, "accessible-table-caption-object") == 0)
927 ao = atk_table_get_caption (ATK_TABLE (gobject));
928 sp = atk_object_get_name (ao);
929 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
934 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
937 spi_atk_emit_eventv (gobject, 0, 0, &any,
938 "object:property-change:%s", prop_name);
941 bonobo_object_unref (BONOBO_OBJECT (s_ao));
947 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
948 guint n_param_values,
949 const GValue *param_values,
953 gchar *property_name;
955 unsigned long detail1;
956 #ifdef SPI_BRIDGE_DEBUG
957 GSignalQuery signal_query;
960 g_signal_query (signal_hint->signal_id, &signal_query);
961 name = signal_query.signal_name;
962 fprintf (stderr, "Received (state) signal %s:%s\n",
963 g_type_name (signal_query.itype), name);
966 gobject = g_value_get_object (param_values + 0);
967 property_name = g_strdup (g_value_get_string (param_values + 1));
968 detail1 = (g_value_get_boolean (param_values + 2))
970 type = g_strdup_printf ("object:state-changed:%s", property_name);
971 spi_atk_emit_eventv (gobject,
976 g_free (property_name);
982 spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
983 AtkKeyEventStruct *event)
988 g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
993 { /* this doesn't really need translating */
994 g_print (_("WARNING: NULL key event reported."));
997 keystroke->id = (CORBA_long) event->keyval;
998 keystroke->hw_code = (CORBA_short) event->keycode;
999 keystroke->timestamp = (CORBA_unsigned_long) event->timestamp;
1000 keystroke->modifiers = (CORBA_unsigned_short) (event->state & 0xFFFF);
1005 keystroke->event_string = CORBA_string_dup (event->string);
1006 c = g_utf8_get_char_validated (event->string, -1);
1007 if (c > 0 && g_unichar_isprint (c))
1008 keystroke->is_text = CORBA_TRUE;
1010 keystroke->is_text = CORBA_FALSE;
1014 keystroke->event_string = CORBA_string_dup ("");
1015 keystroke->is_text = CORBA_FALSE;
1017 switch (event->type)
1019 case (ATK_KEY_EVENT_PRESS):
1020 keystroke->type = Accessibility_KEY_PRESSED_EVENT;
1022 case (ATK_KEY_EVENT_RELEASE):
1023 keystroke->type = Accessibility_KEY_RELEASED_EVENT;
1026 keystroke->type = 0;
1030 g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
1031 (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
1032 (int) keystroke->modifiers,
1033 keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
1038 spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
1040 CORBA_boolean result;
1041 Accessibility_DeviceEvent key_event;
1043 CORBA_exception_init (&ev);
1045 spi_init_keystroke_from_atk_key_event (&key_event, event);
1047 result = Accessibility_DeviceEventController_notifyListenersSync (
1048 spi_atk_bridget_get_dec (), &key_event, &ev);
1050 if (key_event.event_string) CORBA_free (key_event.event_string);
1052 if (BONOBO_EX(&ev)) {
1054 CORBA_exception_free (&ev);
1061 spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
1062 guint n_param_values,
1063 const GValue *param_values,
1067 GSignalQuery signal_query;
1069 const gchar *detail;
1074 gint detail1 = 0, detail2 = 0;
1075 SpiAccessible *s_ao = NULL;
1076 #ifdef SPI_BRIDGE_DEBUG
1077 const gchar *s, *s2;
1080 g_signal_query (signal_hint->signal_id, &signal_query);
1082 name = signal_query.signal_name;
1083 if (signal_hint->detail)
1084 detail = g_quark_to_string (signal_hint->detail);
1088 #ifdef SPI_BRIDGE_DEBUG
1089 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1090 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1091 fprintf (stderr, "Received signal %s:%s detail: %s from object %s (gail %s)\n",
1092 g_type_name (signal_query.itype), name,
1093 detail ? detail : "<NULL>", s ? s : "<NULL>" , s2);
1096 gobject = g_value_get_object (param_values + 0);
1098 if (signal_query.signal_id == atk_signal_active_descendant_changed)
1100 gpointer child = g_value_get_pointer (param_values + 1);
1102 g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE);
1104 ao = ATK_OBJECT (child);
1106 detail1 = atk_object_get_index_in_parent (ao);
1107 s_ao = spi_accessible_new (ao);
1108 c_obj = BONOBO_OBJREF (s_ao);
1109 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
1111 else if (signal_query.signal_id == atk_signal_link_selected)
1113 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1114 detail1 = g_value_get_int (param_values + 1);
1115 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1117 else if (signal_query.signal_id == atk_signal_bounds_changed)
1119 AtkRectangle *atk_rect = NULL;
1121 if (G_VALUE_HOLDS_BOXED (param_values + 1))
1122 atk_rect = g_value_get_boxed (param_values + 1);
1123 spi_atk_bridge_init_rect (&any, ATK_OBJECT (gobject), atk_rect);
1125 else if ((signal_query.signal_id == atk_signal_children_changed) && gobject)
1127 detail1 = g_value_get_uint (param_values + 1);
1128 ao = atk_object_ref_accessible_child (ATK_OBJECT (gobject),
1132 s_ao = spi_accessible_new (ao);
1133 c_obj = BONOBO_OBJREF (s_ao);
1134 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
1135 g_object_unref (ao);
1139 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1144 if (n_param_values >= 2)
1146 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1147 detail1 = g_value_get_int (param_values + 1);
1148 if (n_param_values >= 3)
1150 if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
1151 detail2 = g_value_get_int (param_values + 2);
1155 if (signal_query.signal_id == atk_signal_text_changed)
1157 sp = atk_text_get_text (ATK_TEXT (gobject),
1160 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
1163 else if (signal_query.signal_id == atk_signal_text_selection_changed)
1165 /* Return NULL as the selected string */
1166 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1170 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1175 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1176 "object:%s:%s", name, detail);
1178 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1185 bonobo_object_unref (BONOBO_OBJECT (s_ao));
1191 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
1192 guint n_param_values,
1193 const GValue *param_values,
1197 GSignalQuery signal_query;
1199 const gchar *name, *s;
1200 #ifdef SPI_BRIDGE_DEBUG
1204 g_signal_query (signal_hint->signal_id, &signal_query);
1206 name = signal_query.signal_name;
1208 #ifdef SPI_BRIDGE_DEBUG
1209 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1210 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1211 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1212 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1215 gobject = g_value_get_object (param_values + 0);
1217 s = atk_object_get_name (ATK_OBJECT (gobject));
1218 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1220 spi_atk_emit_eventv (gobject, 0, 0, &any,
1226 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
1227 guint n_param_values,
1228 const GValue *param_values,
1232 GSignalQuery signal_query;
1234 const gchar *name, *s;
1235 #ifdef SPI_BRIDGE_DEBUG
1239 g_signal_query (signal_hint->signal_id, &signal_query);
1241 name = signal_query.signal_name;
1243 #ifdef SPI_BRIDGE_DEBUG
1244 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1245 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1246 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1247 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1250 gobject = g_value_get_object (param_values + 0);
1252 s = atk_object_get_name (ATK_OBJECT (gobject));
1253 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1255 spi_atk_emit_eventv (gobject, 0, 0, &any,
1256 "document:%s", name);
1261 spi_atk_tidy_windows (void)
1267 root = atk_get_root ();
1268 n_children = atk_object_get_n_accessible_children (root);
1269 for (i = 0; i < n_children; i++)
1272 AtkStateSet *stateset;
1276 child = atk_object_ref_accessible_child (root, i);
1277 stateset = atk_object_ref_state_set (child);
1279 name = atk_object_get_name (child);
1280 if (atk_state_set_contains_state (stateset, ATK_STATE_ACTIVE))
1282 spi_atk_bridge_init_string (&any, child, (gchar**) &name);
1283 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:deactivate");
1287 g_object_unref (stateset);
1289 spi_atk_bridge_init_string (&any, child, (gchar**) &name);
1290 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:destroy");
1291 g_object_unref (child);
1296 reinit_register_vars (void)
1298 registry = CORBA_OBJECT_NIL;
1299 device_event_controller = CORBA_OBJECT_NIL;
1304 spi_atk_bridge_init_base (CORBA_any *any, AtkObject *obj,
1305 Accessibility_Application *app, Accessibility_Role *role,
1308 const gchar *s = atk_object_get_name (obj);
1309 *app = spi_accessible_new_return (atk_get_root (), FALSE, NULL);
1310 *role = spi_role_from_atk_role (atk_object_get_role (obj));
1311 *name = s ? s : ""; /* string gets dup-ed in util.c spi_init_any_* */
1315 spi_atk_bridge_init_nil (CORBA_any *any, AtkObject *obj)
1317 Accessibility_Application app = CORBA_OBJECT_NIL;
1318 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1320 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1321 spi_init_any_nil (any, app, role, name);
1325 spi_atk_bridge_init_object (CORBA_any *any, AtkObject *obj, CORBA_Object *c_obj)
1327 Accessibility_Application app = CORBA_OBJECT_NIL;
1328 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1330 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1331 spi_init_any_object (any, app, role, name, c_obj);
1335 spi_atk_bridge_init_string (CORBA_any *any, AtkObject *obj, gchar **string)
1337 Accessibility_Application app = CORBA_OBJECT_NIL;
1338 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1340 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1341 spi_init_any_string (any, app, role, name, string);
1345 spi_atk_bridge_init_rect (CORBA_any *any, AtkObject *obj, AtkRectangle *rect)
1347 Accessibility_Application app = CORBA_OBJECT_NIL;
1348 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1350 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1351 spi_init_any_rect (any, app, role, name, rect);