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;
59 static guint atk_signal_text_changed;
60 static guint atk_signal_children_changed;
61 static guint atk_signal_active_descendant_changed;
62 static guint atk_signal_text_selection_changed;
65 static guint atk_signal_row_reordered;
66 static guint atk_signal_row_inserted;
67 static guint atk_signal_row_deleted;
68 static guint atk_signal_column_reordered;
69 static guint atk_signal_column_inserted;
70 static guint atk_signal_column_deleted;
73 static guint atk_signal_link_selected;
74 static guint atk_signal_bounds_changed;
76 static Accessibility_Registry spi_atk_bridge_get_registry (void);
77 static gboolean spi_atk_bridge_do_registration (void);
78 static void spi_atk_bridge_toplevel_added (AtkObject *object,
81 static void spi_atk_bridge_toplevel_removed (AtkObject *object,
85 static void spi_atk_bridge_exit_func (void);
86 static void spi_atk_register_event_listeners (void);
87 static void spi_atk_bridge_focus_tracker (AtkObject *object);
88 static gchar *spi_atk_bridge_get_registry_ior (void);
89 static void spi_atk_bridge_register_application (Accessibility_Registry registry);
90 static gboolean spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
92 const GValue *param_values,
95 static void spi_atk_bridge_init_nil (CORBA_any *any,
97 static void spi_atk_bridge_init_object (CORBA_any *any,
100 static void spi_atk_bridge_init_string (CORBA_any *any,
103 static void spi_atk_bridge_init_rect (CORBA_any *any,
108 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
109 guint n_param_values,
110 const GValue *param_values,
113 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
114 guint n_param_values,
115 const GValue *param_values,
118 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
119 guint n_param_values,
120 const GValue *param_values,
122 static gboolean spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
123 guint n_param_values,
124 const GValue *param_values,
126 static gint spi_atk_bridge_key_listener (AtkKeyEventStruct *event,
128 static void spi_atk_tidy_windows (void);
129 static void deregister_application (BonoboObject *app);
130 static void reinit_register_vars (void);
132 /* For automatic libgnome init */
133 extern void gnome_accessibility_module_init (void);
134 extern void gnome_accessibility_module_shutdown (void);
136 static int atk_bridge_initialized = FALSE;
137 static pid_t atk_bridge_pid = 0;
138 static guint atk_bridge_focus_tracker_id = 0;
139 static guint atk_bridge_key_event_listener_id = 0;
140 static GArray *listener_ids = NULL;
143 * These exported symbols are hooked by gnome-program
144 * to provide automatic module initialization and shutdown.
146 extern void gnome_accessibility_module_init (void);
147 extern void gnome_accessibility_module_shutdown (void);
150 spi_atk_bridge_init_event_type_consts ()
152 static gboolean done = FALSE;
157 atk_signal_children_changed = g_signal_lookup ("children_changed",
159 atk_signal_text_changed = g_signal_lookup ("text_changed",
161 atk_signal_bounds_changed = g_signal_lookup ("bounds_changed",
163 atk_signal_active_descendant_changed =
164 g_signal_lookup ("active_descendant_changed",
166 atk_signal_link_selected = g_signal_lookup ("link_selected",
168 atk_signal_text_selection_changed = g_signal_lookup ("text_selection_changed",
174 atk_bridge_init (gint *argc, gchar **argv[])
176 const char *debug_env_string = g_getenv ("AT_SPI_DEBUG");
178 gboolean success = FALSE;
180 if (atk_bridge_initialized)
184 atk_bridge_initialized = TRUE;
185 atk_bridge_pid = getpid ();
187 if (g_getenv ("ATK_BRIDGE_REDIRECT_LOG"))
189 fname = g_strconcat ("/tmp/", g_get_prgname (), ".at-spi-log", NULL);
190 /* make sure we're not being redirected - security issue */
191 if (!g_file_test (fname, G_FILE_TEST_IS_SYMLINK))
192 freopen (fname, "w", stderr);
196 if (debug_env_string)
197 _dbg = (int) g_ascii_strtod (debug_env_string, NULL);
199 if (!bonobo_init (argc, argv ? *argv : NULL))
201 g_error ("Could not initialize Bonobo");
204 /* Create the accessible application server object */
205 this_app = spi_application_new (atk_get_root ());
207 * We only want to enable the bridge for top level
208 * applications, we detect bonobo components by seeing
209 * if they were activated with the intention of extracting
210 * an impl. by IID - very solid.
212 if (bonobo_activation_iid_get ())
214 DBG (1, g_message ("Found Bonobo component\n"));
215 g_signal_connect (atk_get_root (),
216 "children-changed::add",
217 (GCallback) spi_atk_bridge_toplevel_added,
219 g_signal_connect (atk_get_root (),
220 "children-changed::remove",
221 (GCallback) spi_atk_bridge_toplevel_removed,
226 success = spi_atk_bridge_do_registration ();
230 spi_atk_register_event_listeners ();
231 spi_atk_bridge_init_event_type_consts ();
235 atk_bridge_initialized = FALSE;
242 spi_atk_bridge_do_registration (void)
244 CORBA_Environment ev;
246 CORBA_exception_init(&ev);
248 if (spi_atk_bridge_get_registry () == CORBA_OBJECT_NIL)
250 g_warning ("Could not locate registry");
256 /* Create the accessible application server object */
257 if (this_app == NULL)
258 this_app = spi_application_new (atk_get_root ());
260 DBG (1, g_message ("About to register application\n"));
262 spi_atk_bridge_register_application (spi_atk_bridge_get_registry ());
264 g_atexit (spi_atk_bridge_exit_func);
266 DBG (1, g_message ("Application registered & listening\n"));
271 spi_atk_bridge_toplevel_added (AtkObject *object,
277 spi_atk_bridge_do_registration ();
283 spi_atk_bridge_toplevel_removed (AtkObject *object,
287 BonoboObject *app = (BonoboObject *) this_app;
292 deregister_application (app);
293 reinit_register_vars ();
297 g_warning ("More toplevels removed than added\n");
303 spi_atk_bridge_register_application (Accessibility_Registry registry)
305 Accessibility_Registry_registerApplication (spi_atk_bridge_get_registry (),
306 BONOBO_OBJREF (this_app),
311 * Returns a 'canonicalized' value for DISPLAY,
312 * with the screen number stripped off if present.
315 spi_display_name (void)
317 static const char *canonical_display_name = NULL;
318 if (!canonical_display_name)
320 const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
323 display_env = g_getenv ("DISPLAY");
324 if (!display_env || !display_env[0])
325 canonical_display_name = ":0";
328 gchar *display_p, *screen_p;
329 canonical_display_name = g_strdup (display_env);
330 display_p = strrchr (canonical_display_name, ':');
331 screen_p = strrchr (canonical_display_name, '.');
332 if (screen_p && display_p && (screen_p > display_p))
340 canonical_display_name = display_env;
343 return canonical_display_name;
346 static Display *bridge_display = NULL;
349 spi_atk_bridge_get_registry_ior (void)
355 unsigned char *data = NULL;
356 unsigned long nitems;
357 unsigned long leftover;
359 bridge_display = XOpenDisplay (spi_display_name ());
361 AT_SPI_IOR = XInternAtom (bridge_display, "AT_SPI_IOR", False);
362 XGetWindowProperty(bridge_display,
363 XDefaultRootWindow (bridge_display),
366 (Atom) 31, &actual_type, &actual_format,
367 &nitems, &leftover, &data);
369 g_warning (_("AT_SPI_REGISTRY was not started at session startup."));
371 return (gchar *) data;
376 static Accessibility_Registry
377 spi_atk_bridge_get_registry (void)
379 CORBA_Environment ev;
382 if (registry_died || (registry == CORBA_OBJECT_NIL)) {
383 CORBA_exception_init (&ev);
387 return CORBA_OBJECT_NIL;
389 DBG (1, g_warning ("registry died! restarting..."));
392 /* XXX: This presumes that the registry has successfully restarted itself already...*/
393 ior = (char *) spi_atk_bridge_get_registry_ior ();
396 registry = CORBA_ORB_string_to_object (bonobo_activation_orb_get (),
399 g_warning ("IOR not set.");
400 registry = CORBA_OBJECT_NIL;
403 if (ev._major != CORBA_NO_EXCEPTION)
405 g_error ("Accessibility app error: exception during "
406 "registry activation from id: %s\n",
407 CORBA_exception_id (&ev));
408 CORBA_exception_free (&ev);
411 if (registry_died && registry) {
412 registry_died = FALSE;
413 spi_atk_bridge_register_application (registry);
419 static Accessibility_DeviceEventController
420 spi_atk_bridget_get_dec (void)
422 CORBA_Environment ev;
424 if (device_event_controller != CORBA_OBJECT_NIL)
426 if (ORBit_small_get_connection_status (device_event_controller)
427 == ORBIT_CONNECTION_CONNECTED)
428 return device_event_controller;
431 CORBA_exception_init (&ev);
433 device_event_controller =
434 Accessibility_Registry_getDeviceEventController (
435 spi_atk_bridge_get_registry (), &ev);
439 g_warning (_("failure: no device event controller found.\n"));
440 registry_died = TRUE;
441 device_event_controller = CORBA_OBJECT_NIL;
444 return device_event_controller;
448 gtk_module_init (gint *argc, gchar **argv[])
450 return atk_bridge_init (argc, argv);
454 add_signal_listener (const char *signal_name)
458 id = atk_add_global_event_listener (
459 spi_atk_bridge_signal_listener, signal_name);
461 g_array_append_val (listener_ids, id);
465 spi_atk_register_event_listeners (void)
468 * kludge to make sure the Atk interface types are registered, otherwise
469 * the AtkText signal handlers below won't get registered
472 GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
473 AtkObject *bo = atk_no_op_object_new (ao);
476 if (atk_listeners_registered) return;
478 atk_listeners_registered = TRUE;
480 /* Register for focus event notifications, and register app with central registry */
482 listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
484 atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
486 id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
487 "Gtk:AtkObject:property-change");
488 g_array_append_val (listener_ids, id);
489 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
491 g_array_append_val (listener_ids, id);
492 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
494 g_array_append_val (listener_ids, id);
495 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
497 g_array_append_val (listener_ids, id);
498 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
500 g_array_append_val (listener_ids, id);
501 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
503 g_array_append_val (listener_ids, id);
504 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
506 g_array_append_val (listener_ids, id);
507 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
508 "window:deactivate");
509 g_array_append_val (listener_ids, id);
510 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
511 "Gtk:AtkDocument:load-complete");
512 g_array_append_val (listener_ids, id);
513 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
514 "Gtk:AtkDocument:reload");
515 g_array_append_val (listener_ids, id);
516 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
517 "Gtk:AtkDocument:load-stopped");
518 g_array_append_val (listener_ids, id);
519 id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
520 "Gtk:AtkObject:state-change");
521 g_array_append_val (listener_ids, id);
523 add_signal_listener ("Gtk:AtkObject:children-changed");
524 add_signal_listener ("Gtk:AtkObject:visible-data-changed");
525 add_signal_listener ("Gtk:AtkObject:active-descendant-changed");
526 add_signal_listener ("Gtk:AtkComponent:bounds-changed");
527 add_signal_listener ("Gtk:AtkSelection:selection-changed");
528 add_signal_listener ("Gtk:AtkText:text-selection-changed");
529 add_signal_listener ("Gtk:AtkText:text-changed");
530 add_signal_listener ("Gtk:AtkText:text-caret-moved");
531 add_signal_listener ("Gtk:AtkTable:row-inserted");
532 add_signal_listener ("Gtk:AtkTable:row-reordered");
533 add_signal_listener ("Gtk:AtkTable:row-deleted");
534 add_signal_listener ("Gtk:AtkTable:column-inserted");
535 add_signal_listener ("Gtk:AtkTable:column-reordered");
536 add_signal_listener ("Gtk:AtkTable:column-deleted");
537 add_signal_listener ("Gtk:AtkTable:model-changed");
538 add_signal_listener ("Gtk:AtkHypertext:link-selected");
540 * May add the following listeners to implement preemptive key listening for GTK+
542 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
543 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
545 atk_bridge_key_event_listener_id = atk_add_key_event_listener (
546 spi_atk_bridge_key_listener, NULL);
548 g_object_unref (G_OBJECT (bo));
553 deregister_application (BonoboObject *app)
555 Accessibility_Registry registry = spi_atk_bridge_get_registry ();
556 Accessibility_Registry_deregisterApplication (registry, BONOBO_OBJREF (app), &ev);
558 device_event_controller = bonobo_object_release_unref (device_event_controller, &ev);
559 registry = bonobo_object_release_unref (registry, &ev);
561 app = bonobo_object_unref (app);
565 spi_atk_bridge_exit_func (void)
567 BonoboObject *app = (BonoboObject *) this_app;
569 DBG (1, g_message ("exiting bridge\n"));
576 if (atk_bridge_pid != getpid ())
583 * Check whether we still have windows which have not been deleted.
585 spi_atk_tidy_windows ();
587 * FIXME: this may be incorrect for apps that do their own bonobo
588 * shutdown, until we can explicitly shutdown to get the ordering
591 if (!bonobo_is_initialized ())
593 DBG (1, g_warning ("Re-initializing bonobo\n"));
594 g_assert (bonobo_init (0, NULL));
595 g_assert (bonobo_activate ());
599 deregister_application (app);
601 DBG (1, g_message ("bridge exit func complete.\n"));
603 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
605 g_assert (!bonobo_debug_shutdown ());
608 XCloseDisplay (bridge_display);
612 gnome_accessibility_module_init (void)
614 atk_bridge_init (NULL, NULL);
616 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
618 g_print("Atk Accessibility bridge initialized\n");
623 gnome_accessibility_module_shutdown (void)
625 BonoboObject *app = (BonoboObject *) this_app;
627 GArray *ids = listener_ids;
629 if (!atk_bridge_initialized)
633 atk_bridge_initialized = FALSE;
636 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
638 g_print("Atk Accessibility bridge shutdown\n");
642 if (atk_bridge_focus_tracker_id)
643 atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
645 for (i = 0; ids && i < ids->len; i++)
647 atk_remove_global_event_listener (g_array_index (ids, guint, i));
650 if (atk_bridge_key_event_listener_id)
651 atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
653 deregister_application (app);
657 spi_atk_bridge_focus_tracker (AtkObject *object)
659 SpiAccessible *source;
660 Accessibility_Event e;
662 source = spi_accessible_new (object);
664 CORBA_exception_init (&ev);
667 e.source = BONOBO_OBJREF (source);
670 spi_atk_bridge_init_nil (&e.any_data, object);
672 registry_died = TRUE;
674 Accessibility_Registry_notifyEvent (spi_atk_bridge_get_registry (),
677 registry_died = TRUE;
679 bonobo_object_unref (source);
681 CORBA_exception_free (&ev);
685 spi_atk_emit_eventv (const GObject *gobject,
689 const char *format, ...)
692 Accessibility_Event e;
694 SpiAccessible *source = NULL;
695 Accessibility_Registry registry;
697 #ifdef SPI_BRIDGE_DEBUG
698 CORBA_string s = NULL;
701 va_start (args, format);
703 if (ATK_IS_IMPLEMENTOR (gobject))
705 aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
706 source = spi_accessible_new (aobject);
707 g_object_unref (G_OBJECT (aobject));
709 else if (ATK_IS_OBJECT (gobject))
711 aobject = ATK_OBJECT (gobject);
712 if (SPI_IS_REMOTE_OBJECT (aobject))
713 e.source = spi_remote_object_get_accessible (SPI_REMOTE_OBJECT (aobject));
715 source = spi_accessible_new (aobject);
720 DBG (0, g_warning ("received property-change event from non-AtkImplementor"));
724 name = atk_object_get_name (aobject);
725 e.type = g_strdup_vprintf (format, args);
726 if (source) e.source = BONOBO_OBJREF (source);
729 if (any) e.any_data = *any;
730 else spi_atk_bridge_init_nil (&e.any_data, aobject);
732 #ifdef SPI_BRIDGE_DEBUG
733 if (e.source != CORBA_OBJECT_NIL)
734 s = Accessibility_Accessible__get_name (e.source, &ev);
735 g_message ("Emitting event '%s' (%lu, %lu) on %s",
736 e.type, e.detail1, e.detail2, s);
739 CORBA_exception_init (&ev);
740 registry = spi_atk_bridge_get_registry ();
745 Accessibility_Registry_notifyEvent (registry,
747 #ifdef SPI_BRIDGE_DEBUG
748 if (ev._major != CORBA_NO_EXCEPTION)
749 g_message ("error emitting event %s, (%d) %s",
752 CORBA_exception_id(&ev));
754 if (BONOBO_EX (&ev)) registry_died = TRUE;
757 bonobo_object_unref (BONOBO_OBJECT (source));
759 Bonobo_Unknown_unref (e.source, &ev);
761 CORBA_exception_free (&ev);
765 if (!any && e.any_data._release) CORBA_free (e.any_data._value);
772 spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
773 guint n_param_values,
774 const GValue *param_values,
777 AtkPropertyValues *values;
779 const gchar *prop_name;
781 const gchar *sp = NULL;
783 SpiAccessible *s_ao = NULL;
786 const gchar *name = NULL;
788 #ifdef SPI_BRIDGE_DEBUG
789 GSignalQuery signal_query;
790 const gchar *signame;
793 g_signal_query (signal_hint->signal_id, &signal_query);
794 signame = signal_query.signal_name;
796 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
797 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
798 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
799 DBG (2, g_message ("Received (property) signal %s:%s:%s from object %s (gail %s)\n",
800 g_type_name (signal_query.itype), signame, values->property_name, s, s2));
804 gobject = g_value_get_object (param_values + 0);
805 name = atk_object_get_name (ATK_OBJECT (gobject));
806 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
808 prop_name = values->property_name;
809 if (strcmp (prop_name, "accessible-name") == 0)
811 spi_atk_bridge_init_string (&any,
812 ATK_OBJECT (gobject),
815 else if (strcmp (prop_name, "accessible-description") == 0)
817 sp = atk_object_get_description (ATK_OBJECT (gobject));
818 spi_atk_bridge_init_string (&any,
819 ATK_OBJECT (gobject),
822 else if (strcmp (prop_name, "accessible-parent") == 0)
824 ao = atk_object_get_parent (ATK_OBJECT (gobject));
827 s_ao = spi_accessible_new (ao);
828 c_obj = BONOBO_OBJREF (s_ao);
829 spi_atk_bridge_init_object (&any,
830 ATK_OBJECT (gobject),
835 spi_atk_bridge_init_nil (&any,
836 ATK_OBJECT (gobject));
839 else if (strcmp (prop_name, "accessible-table-summary") == 0)
841 ao = atk_table_get_summary (ATK_TABLE (gobject));
844 s_ao = spi_accessible_new (ao);
845 c_obj = BONOBO_OBJREF (s_ao);
846 spi_atk_bridge_init_object (&any,
847 ATK_OBJECT (gobject),
852 spi_atk_bridge_init_nil (&any,
853 ATK_OBJECT (gobject));
856 else if (strcmp (prop_name, "accessible-table-column-header") == 0)
858 i = g_value_get_int (&(values->new_value));
859 ao = atk_table_get_column_header (ATK_TABLE (gobject), i);
862 s_ao = spi_accessible_new (ao);
863 c_obj = BONOBO_OBJREF (s_ao);
864 spi_atk_bridge_init_object (&any,
865 ATK_OBJECT (gobject),
870 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
873 else if (strcmp (prop_name, "accessible-table-row-header") == 0)
875 i = g_value_get_int (&(values->new_value));
876 ao = atk_table_get_row_header (ATK_TABLE (gobject), i);
879 s_ao = spi_accessible_new (ao);
880 c_obj = BONOBO_OBJREF (s_ao);
881 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
885 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
888 else if (strcmp (prop_name, "accessible-table-row-description") == 0)
890 i = g_value_get_int (&(values->new_value));
891 sp = atk_table_get_row_description (ATK_TABLE (gobject), i);
892 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
895 else if (strcmp (prop_name, "accessible-table-column-description") == 0)
897 i = g_value_get_int (&(values->new_value));
898 sp = atk_table_get_column_description (ATK_TABLE (gobject), i);
899 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
902 else if (strcmp (prop_name, "accessible-table-caption-object") == 0)
904 ao = atk_table_get_caption (ATK_TABLE (gobject));
905 sp = atk_object_get_name (ao);
906 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
911 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
914 spi_atk_emit_eventv (gobject, 0, 0, &any,
915 "object:property-change:%s", prop_name);
922 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
923 guint n_param_values,
924 const GValue *param_values,
928 gchar *property_name;
930 unsigned long detail1;
931 #ifdef SPI_BRIDGE_DEBUG
932 GSignalQuery signal_query;
935 g_signal_query (signal_hint->signal_id, &signal_query);
936 name = signal_query.signal_name;
937 fprintf (stderr, "Received (state) signal %s:%s\n",
938 g_type_name (signal_query.itype), name);
941 gobject = g_value_get_object (param_values + 0);
942 property_name = g_strdup (g_value_get_string (param_values + 1));
943 detail1 = (g_value_get_boolean (param_values + 2))
945 type = g_strdup_printf ("object:state-changed:%s", property_name);
946 spi_atk_emit_eventv (gobject,
951 g_free (property_name);
957 spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
958 AtkKeyEventStruct *event)
963 g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
968 { /* this doesn't really need translating */
969 g_print (_("WARNING: NULL key event reported."));
972 keystroke->id = (CORBA_long) event->keyval;
973 keystroke->hw_code = (CORBA_short) event->keycode;
974 keystroke->timestamp = (CORBA_unsigned_long) event->timestamp;
975 keystroke->modifiers = (CORBA_unsigned_short) (event->state & 0xFFFF);
980 keystroke->event_string = CORBA_string_dup (event->string);
981 c = g_utf8_get_char_validated (event->string, -1);
982 if (c > 0 && g_unichar_isprint (c))
983 keystroke->is_text = CORBA_TRUE;
985 keystroke->is_text = CORBA_FALSE;
989 keystroke->event_string = CORBA_string_dup ("");
990 keystroke->is_text = CORBA_FALSE;
994 case (ATK_KEY_EVENT_PRESS):
995 keystroke->type = Accessibility_KEY_PRESSED_EVENT;
997 case (ATK_KEY_EVENT_RELEASE):
998 keystroke->type = Accessibility_KEY_RELEASED_EVENT;
1001 keystroke->type = 0;
1005 g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
1006 (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
1007 (int) keystroke->modifiers,
1008 keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
1013 spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
1015 CORBA_boolean result;
1016 Accessibility_DeviceEvent key_event;
1018 CORBA_exception_init (&ev);
1020 spi_init_keystroke_from_atk_key_event (&key_event, event);
1022 result = Accessibility_DeviceEventController_notifyListenersSync (
1023 spi_atk_bridget_get_dec (), &key_event, &ev);
1025 if (key_event.event_string) CORBA_free (key_event.event_string);
1027 if (BONOBO_EX(&ev)) {
1029 CORBA_exception_free (&ev);
1036 spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
1037 guint n_param_values,
1038 const GValue *param_values,
1042 GSignalQuery signal_query;
1044 const gchar *detail;
1049 gint detail1 = 0, detail2 = 0;
1050 SpiAccessible *s_ao = NULL;
1051 #ifdef SPI_BRIDGE_DEBUG
1052 const gchar *s, *s2;
1055 g_signal_query (signal_hint->signal_id, &signal_query);
1057 name = signal_query.signal_name;
1058 if (signal_hint->detail)
1059 detail = g_quark_to_string (signal_hint->detail);
1063 #ifdef SPI_BRIDGE_DEBUG
1064 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1065 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1066 fprintf (stderr, "Received signal %s:%s detail: %s from object %s (gail %s)\n",
1067 g_type_name (signal_query.itype), name,
1068 detail ? detail : "<NULL>", s ? s : "<NULL>" , s2);
1071 gobject = g_value_get_object (param_values + 0);
1073 if (signal_query.signal_id == atk_signal_active_descendant_changed)
1075 gpointer child = g_value_get_pointer (param_values + 1);
1077 g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE);
1079 ao = ATK_OBJECT (child);
1081 detail1 = atk_object_get_index_in_parent (ao);
1082 s_ao = spi_accessible_new (ao);
1083 c_obj = BONOBO_OBJREF (s_ao);
1084 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
1086 else if (signal_query.signal_id == atk_signal_link_selected)
1088 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1089 detail1 = g_value_get_int (param_values + 1);
1090 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1092 else if (signal_query.signal_id == atk_signal_bounds_changed)
1094 AtkRectangle *atk_rect = NULL;
1096 if (G_VALUE_HOLDS_BOXED (param_values + 1))
1097 atk_rect = g_value_get_boxed (param_values + 1);
1098 spi_atk_bridge_init_rect (&any, ATK_OBJECT (gobject), atk_rect);
1100 else if ((signal_query.signal_id == atk_signal_children_changed) && gobject)
1102 detail1 = g_value_get_uint (param_values + 1);
1103 ao = atk_object_ref_accessible_child (ATK_OBJECT (gobject),
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);
1110 g_object_unref (ao);
1114 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1119 if (n_param_values >= 2)
1121 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1122 detail1 = g_value_get_int (param_values + 1);
1123 if (n_param_values >= 3)
1125 if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
1126 detail2 = g_value_get_int (param_values + 2);
1130 if (signal_query.signal_id == atk_signal_text_changed)
1132 sp = atk_text_get_text (ATK_TEXT (gobject),
1135 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
1138 else if (signal_query.signal_id == atk_signal_text_selection_changed)
1140 /* Return NULL as the selected string */
1141 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1145 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1150 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1151 "object:%s:%s", name, detail);
1153 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1163 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
1164 guint n_param_values,
1165 const GValue *param_values,
1169 GSignalQuery signal_query;
1171 const gchar *name, *s;
1172 #ifdef SPI_BRIDGE_DEBUG
1176 g_signal_query (signal_hint->signal_id, &signal_query);
1178 name = signal_query.signal_name;
1180 #ifdef SPI_BRIDGE_DEBUG
1181 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1182 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1183 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1184 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1187 gobject = g_value_get_object (param_values + 0);
1189 s = atk_object_get_name (ATK_OBJECT (gobject));
1190 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1192 spi_atk_emit_eventv (gobject, 0, 0, &any,
1198 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
1199 guint n_param_values,
1200 const GValue *param_values,
1204 GSignalQuery signal_query;
1206 const gchar *name, *s;
1207 #ifdef SPI_BRIDGE_DEBUG
1211 g_signal_query (signal_hint->signal_id, &signal_query);
1213 name = signal_query.signal_name;
1215 #ifdef SPI_BRIDGE_DEBUG
1216 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1217 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1218 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1219 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1222 gobject = g_value_get_object (param_values + 0);
1224 s = atk_object_get_name (ATK_OBJECT (gobject));
1225 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1227 spi_atk_emit_eventv (gobject, 0, 0, &any,
1228 "document:%s", name);
1233 spi_atk_tidy_windows (void)
1239 root = atk_get_root ();
1240 n_children = atk_object_get_n_accessible_children (root);
1241 for (i = 0; i < n_children; i++)
1244 AtkStateSet *stateset;
1248 child = atk_object_ref_accessible_child (root, i);
1249 stateset = atk_object_ref_state_set (child);
1251 name = atk_object_get_name (child);
1252 spi_atk_bridge_init_string (&any, child, (gchar**) &name);
1253 if (atk_state_set_contains_state (stateset, ATK_STATE_ACTIVE))
1255 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:deactivate");
1259 g_object_unref (stateset);
1261 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:destroy");
1262 g_object_unref (child);
1267 reinit_register_vars (void)
1269 registry = CORBA_OBJECT_NIL;
1270 device_event_controller = CORBA_OBJECT_NIL;
1275 spi_atk_bridge_init_base (CORBA_any *any, AtkObject *obj,
1276 Accessibility_Application *app, Accessibility_Role *role,
1279 const gchar *s = atk_object_get_name (obj);
1280 *app = spi_accessible_new_return (atk_get_root (), FALSE, NULL);
1281 *role = spi_role_from_atk_role (atk_object_get_role (obj));
1282 *name = s ? s : ""; /* string gets dup-ed in util.c spi_init_any_* */
1286 spi_atk_bridge_init_nil (CORBA_any *any, AtkObject *obj)
1288 Accessibility_Application app = CORBA_OBJECT_NIL;
1289 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1291 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1292 spi_init_any_nil (any, app, role, name);
1296 spi_atk_bridge_init_object (CORBA_any *any, AtkObject *obj, CORBA_Object *c_obj)
1298 Accessibility_Application app = CORBA_OBJECT_NIL;
1299 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1301 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1302 spi_init_any_object (any, app, role, name, c_obj);
1306 spi_atk_bridge_init_string (CORBA_any *any, AtkObject *obj, gchar **string)
1308 Accessibility_Application app = CORBA_OBJECT_NIL;
1309 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1311 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1312 spi_init_any_string (any, app, role, name, string);
1316 spi_atk_bridge_init_rect (CORBA_any *any, AtkObject *obj, AtkRectangle *rect)
1318 Accessibility_Application app = CORBA_OBJECT_NIL;
1319 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1321 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1322 spi_init_any_rect (any, app, role, name, rect);