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),
308 if (ev._major != CORBA_NO_EXCEPTION)
309 CORBA_exception_free (&ev);
313 * Returns a 'canonicalized' value for DISPLAY,
314 * with the screen number stripped off if present.
317 spi_display_name (void)
319 static const char *canonical_display_name = NULL;
320 if (!canonical_display_name)
322 const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
325 display_env = g_getenv ("DISPLAY");
326 if (!display_env || !display_env[0])
327 canonical_display_name = ":0";
330 gchar *display_p, *screen_p;
331 canonical_display_name = g_strdup (display_env);
332 display_p = strrchr (canonical_display_name, ':');
333 screen_p = strrchr (canonical_display_name, '.');
334 if (screen_p && display_p && (screen_p > display_p))
342 canonical_display_name = display_env;
345 return canonical_display_name;
348 static Display *bridge_display = NULL;
351 spi_atk_bridge_get_registry_ior (void)
357 unsigned char *data = NULL;
358 unsigned long nitems;
359 unsigned long leftover;
361 bridge_display = XOpenDisplay (spi_display_name ());
363 AT_SPI_IOR = XInternAtom (bridge_display, "AT_SPI_IOR", False);
364 XGetWindowProperty(bridge_display,
365 XDefaultRootWindow (bridge_display),
368 (Atom) 31, &actual_type, &actual_format,
369 &nitems, &leftover, &data);
371 g_warning (_("AT_SPI_REGISTRY was not started at session startup."));
373 return (gchar *) data;
378 static Accessibility_Registry
379 spi_atk_bridge_get_registry (void)
381 CORBA_Environment ev;
384 if (registry_died || (registry == CORBA_OBJECT_NIL)) {
385 CORBA_exception_init (&ev);
389 return CORBA_OBJECT_NIL;
391 DBG (1, g_warning ("registry died! restarting..."));
394 /* XXX: This presumes that the registry has successfully restarted itself already...*/
395 ior = (char *) spi_atk_bridge_get_registry_ior ();
398 registry = CORBA_ORB_string_to_object (bonobo_activation_orb_get (),
401 g_warning ("IOR not set.");
402 registry = CORBA_OBJECT_NIL;
405 if (ev._major != CORBA_NO_EXCEPTION)
407 g_error ("Accessibility app error: exception during "
408 "registry activation from id: %s\n",
409 CORBA_exception_id (&ev));
410 CORBA_exception_free (&ev);
413 if (registry_died && registry) {
414 registry_died = FALSE;
415 spi_atk_bridge_register_application (registry);
421 static Accessibility_DeviceEventController
422 spi_atk_bridget_get_dec (void)
424 CORBA_Environment ev;
426 if (device_event_controller != CORBA_OBJECT_NIL)
428 if (ORBit_small_get_connection_status (device_event_controller)
429 == ORBIT_CONNECTION_CONNECTED)
430 return device_event_controller;
433 CORBA_exception_init (&ev);
435 device_event_controller =
436 Accessibility_Registry_getDeviceEventController (
437 spi_atk_bridge_get_registry (), &ev);
441 g_warning (_("failure: no device event controller found.\n"));
442 registry_died = TRUE;
443 device_event_controller = CORBA_OBJECT_NIL;
446 return device_event_controller;
450 gtk_module_init (gint *argc, gchar **argv[])
452 return atk_bridge_init (argc, argv);
456 add_signal_listener (const char *signal_name)
460 id = atk_add_global_event_listener (
461 spi_atk_bridge_signal_listener, signal_name);
463 g_array_append_val (listener_ids, id);
467 spi_atk_register_event_listeners (void)
470 * kludge to make sure the Atk interface types are registered, otherwise
471 * the AtkText signal handlers below won't get registered
474 GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
475 AtkObject *bo = atk_no_op_object_new (ao);
478 if (atk_listeners_registered) return;
480 atk_listeners_registered = TRUE;
482 /* Register for focus event notifications, and register app with central registry */
484 listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
486 atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
488 id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
489 "Gtk:AtkObject:property-change");
490 g_array_append_val (listener_ids, id);
491 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
493 g_array_append_val (listener_ids, id);
494 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
496 g_array_append_val (listener_ids, id);
497 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
499 g_array_append_val (listener_ids, id);
500 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
502 g_array_append_val (listener_ids, id);
503 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
505 g_array_append_val (listener_ids, id);
506 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
508 g_array_append_val (listener_ids, id);
509 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
510 "window:deactivate");
511 g_array_append_val (listener_ids, id);
512 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
513 "Gtk:AtkDocument:load-complete");
514 g_array_append_val (listener_ids, id);
515 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
516 "Gtk:AtkDocument:reload");
517 g_array_append_val (listener_ids, id);
518 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
519 "Gtk:AtkDocument:load-stopped");
520 g_array_append_val (listener_ids, id);
521 id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
522 "Gtk:AtkObject:state-change");
523 g_array_append_val (listener_ids, id);
525 add_signal_listener ("Gtk:AtkObject:children-changed");
526 add_signal_listener ("Gtk:AtkObject:visible-data-changed");
527 add_signal_listener ("Gtk:AtkObject:active-descendant-changed");
528 add_signal_listener ("Gtk:AtkComponent:bounds-changed");
529 add_signal_listener ("Gtk:AtkSelection:selection-changed");
530 add_signal_listener ("Gtk:AtkText:text-selection-changed");
531 add_signal_listener ("Gtk:AtkText:text-changed");
532 add_signal_listener ("Gtk:AtkText:text-caret-moved");
533 add_signal_listener ("Gtk:AtkTable:row-inserted");
534 add_signal_listener ("Gtk:AtkTable:row-reordered");
535 add_signal_listener ("Gtk:AtkTable:row-deleted");
536 add_signal_listener ("Gtk:AtkTable:column-inserted");
537 add_signal_listener ("Gtk:AtkTable:column-reordered");
538 add_signal_listener ("Gtk:AtkTable:column-deleted");
539 add_signal_listener ("Gtk:AtkTable:model-changed");
540 add_signal_listener ("Gtk:AtkHypertext:link-selected");
542 * May add the following listeners to implement preemptive key listening for GTK+
544 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
545 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
547 atk_bridge_key_event_listener_id = atk_add_key_event_listener (
548 spi_atk_bridge_key_listener, NULL);
550 g_object_unref (G_OBJECT (bo));
555 deregister_application (BonoboObject *app)
557 Accessibility_Registry registry = spi_atk_bridge_get_registry ();
558 Accessibility_Registry_deregisterApplication (registry, BONOBO_OBJREF (app), &ev);
560 device_event_controller = bonobo_object_release_unref (device_event_controller, &ev);
561 registry = bonobo_object_release_unref (registry, &ev);
563 app = bonobo_object_unref (app);
567 spi_atk_bridge_exit_func (void)
569 BonoboObject *app = (BonoboObject *) this_app;
571 DBG (1, g_message ("exiting bridge\n"));
578 if (atk_bridge_pid != getpid ())
585 * Check whether we still have windows which have not been deleted.
587 spi_atk_tidy_windows ();
589 * FIXME: this may be incorrect for apps that do their own bonobo
590 * shutdown, until we can explicitly shutdown to get the ordering
593 if (!bonobo_is_initialized ())
595 DBG (1, g_warning ("Re-initializing bonobo\n"));
596 g_assert (bonobo_init (0, NULL));
597 g_assert (bonobo_activate ());
601 deregister_application (app);
603 DBG (1, g_message ("bridge exit func complete.\n"));
605 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
607 g_assert (!bonobo_debug_shutdown ());
610 XCloseDisplay (bridge_display);
614 gnome_accessibility_module_init (void)
616 atk_bridge_init (NULL, NULL);
618 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
620 g_print("Atk Accessibility bridge initialized\n");
625 gnome_accessibility_module_shutdown (void)
627 BonoboObject *app = (BonoboObject *) this_app;
629 GArray *ids = listener_ids;
631 if (!atk_bridge_initialized)
635 atk_bridge_initialized = FALSE;
638 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
640 g_print("Atk Accessibility bridge shutdown\n");
644 if (atk_bridge_focus_tracker_id)
645 atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
647 for (i = 0; ids && i < ids->len; i++)
649 atk_remove_global_event_listener (g_array_index (ids, guint, i));
652 if (atk_bridge_key_event_listener_id)
653 atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
655 deregister_application (app);
659 spi_atk_bridge_focus_tracker (AtkObject *object)
661 SpiAccessible *source;
662 Accessibility_Event e;
664 source = spi_accessible_new (object);
666 CORBA_exception_init (&ev);
669 e.source = BONOBO_OBJREF (source);
672 spi_atk_bridge_init_nil (&e.any_data, object);
674 registry_died = TRUE;
676 Accessibility_Registry_notifyEvent (spi_atk_bridge_get_registry (),
679 registry_died = TRUE;
681 bonobo_object_unref (source);
683 CORBA_exception_free (&ev);
687 spi_atk_emit_eventv (const GObject *gobject,
691 const char *format, ...)
694 Accessibility_Event e;
696 SpiAccessible *source = NULL;
697 Accessibility_Registry registry;
699 #ifdef SPI_BRIDGE_DEBUG
700 CORBA_string s = NULL;
703 va_start (args, format);
705 if (ATK_IS_IMPLEMENTOR (gobject))
707 aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
708 source = spi_accessible_new (aobject);
709 g_object_unref (G_OBJECT (aobject));
711 else if (ATK_IS_OBJECT (gobject))
713 aobject = ATK_OBJECT (gobject);
714 if (SPI_IS_REMOTE_OBJECT (aobject))
715 e.source = spi_remote_object_get_accessible (SPI_REMOTE_OBJECT (aobject));
717 source = spi_accessible_new (aobject);
722 DBG (0, g_warning ("received property-change event from non-AtkImplementor"));
726 name = atk_object_get_name (aobject);
727 e.type = g_strdup_vprintf (format, args);
728 if (source) e.source = BONOBO_OBJREF (source);
731 if (any) e.any_data = *any;
732 else spi_atk_bridge_init_nil (&e.any_data, aobject);
734 #ifdef SPI_BRIDGE_DEBUG
735 if (e.source != CORBA_OBJECT_NIL)
736 s = Accessibility_Accessible__get_name (e.source, &ev);
737 g_message ("Emitting event '%s' (%lu, %lu) on %s",
738 e.type, e.detail1, e.detail2, s);
741 CORBA_exception_init (&ev);
742 registry = spi_atk_bridge_get_registry ();
746 Accessibility_Registry_notifyEvent (registry,
748 #ifdef SPI_BRIDGE_DEBUG
749 if (ev._major != CORBA_NO_EXCEPTION)
750 g_message ("error emitting event %s, (%d) %s",
753 CORBA_exception_id(&ev));
755 if (BONOBO_EX (&ev)) registry_died = TRUE;
759 bonobo_object_unref (BONOBO_OBJECT (source));
761 Bonobo_Unknown_unref (e.source, &ev);
763 CORBA_exception_free (&ev);
767 if (!any && e.any_data._release) CORBA_free (e.any_data._value);
769 if (any && any->_release) CORBA_free (any->_value);
776 spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
777 guint n_param_values,
778 const GValue *param_values,
781 AtkPropertyValues *values;
783 const gchar *prop_name;
785 const gchar *sp = NULL;
787 SpiAccessible *s_ao = NULL;
790 const gchar *name = NULL;
792 #ifdef SPI_BRIDGE_DEBUG
793 GSignalQuery signal_query;
794 const gchar *signame;
797 g_signal_query (signal_hint->signal_id, &signal_query);
798 signame = signal_query.signal_name;
800 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
801 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
802 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
803 DBG (2, g_message ("Received (property) signal %s:%s:%s from object %s (gail %s)\n",
804 g_type_name (signal_query.itype), signame, values->property_name, s, s2));
808 gobject = g_value_get_object (param_values + 0);
809 name = atk_object_get_name (ATK_OBJECT (gobject));
810 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
812 prop_name = values->property_name;
813 if (strcmp (prop_name, "accessible-name") == 0)
815 spi_atk_bridge_init_string (&any,
816 ATK_OBJECT (gobject),
819 else if (strcmp (prop_name, "accessible-description") == 0)
821 sp = atk_object_get_description (ATK_OBJECT (gobject));
822 spi_atk_bridge_init_string (&any,
823 ATK_OBJECT (gobject),
826 else if (strcmp (prop_name, "accessible-parent") == 0)
828 ao = atk_object_get_parent (ATK_OBJECT (gobject));
831 s_ao = spi_accessible_new (ao);
832 c_obj = BONOBO_OBJREF (s_ao);
833 spi_atk_bridge_init_object (&any,
834 ATK_OBJECT (gobject),
839 spi_atk_bridge_init_nil (&any,
840 ATK_OBJECT (gobject));
843 else if (strcmp (prop_name, "accessible-table-summary") == 0)
845 ao = atk_table_get_summary (ATK_TABLE (gobject));
848 s_ao = spi_accessible_new (ao);
849 c_obj = BONOBO_OBJREF (s_ao);
850 spi_atk_bridge_init_object (&any,
851 ATK_OBJECT (gobject),
856 spi_atk_bridge_init_nil (&any,
857 ATK_OBJECT (gobject));
860 else if (strcmp (prop_name, "accessible-table-column-header") == 0)
862 i = g_value_get_int (&(values->new_value));
863 ao = atk_table_get_column_header (ATK_TABLE (gobject), i);
866 s_ao = spi_accessible_new (ao);
867 c_obj = BONOBO_OBJREF (s_ao);
868 spi_atk_bridge_init_object (&any,
869 ATK_OBJECT (gobject),
874 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
877 else if (strcmp (prop_name, "accessible-table-row-header") == 0)
879 i = g_value_get_int (&(values->new_value));
880 ao = atk_table_get_row_header (ATK_TABLE (gobject), i);
883 s_ao = spi_accessible_new (ao);
884 c_obj = BONOBO_OBJREF (s_ao);
885 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
889 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
892 else if (strcmp (prop_name, "accessible-table-row-description") == 0)
894 i = g_value_get_int (&(values->new_value));
895 sp = atk_table_get_row_description (ATK_TABLE (gobject), i);
896 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
899 else if (strcmp (prop_name, "accessible-table-column-description") == 0)
901 i = g_value_get_int (&(values->new_value));
902 sp = atk_table_get_column_description (ATK_TABLE (gobject), i);
903 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
906 else if (strcmp (prop_name, "accessible-table-caption-object") == 0)
908 ao = atk_table_get_caption (ATK_TABLE (gobject));
909 sp = atk_object_get_name (ao);
910 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
915 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
918 spi_atk_emit_eventv (gobject, 0, 0, &any,
919 "object:property-change:%s", prop_name);
922 bonobo_object_unref (BONOBO_OBJECT (s_ao));
928 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
929 guint n_param_values,
930 const GValue *param_values,
934 gchar *property_name;
936 unsigned long detail1;
937 #ifdef SPI_BRIDGE_DEBUG
938 GSignalQuery signal_query;
941 g_signal_query (signal_hint->signal_id, &signal_query);
942 name = signal_query.signal_name;
943 fprintf (stderr, "Received (state) signal %s:%s\n",
944 g_type_name (signal_query.itype), name);
947 gobject = g_value_get_object (param_values + 0);
948 property_name = g_strdup (g_value_get_string (param_values + 1));
949 detail1 = (g_value_get_boolean (param_values + 2))
951 type = g_strdup_printf ("object:state-changed:%s", property_name);
952 spi_atk_emit_eventv (gobject,
957 g_free (property_name);
963 spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
964 AtkKeyEventStruct *event)
969 g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
974 { /* this doesn't really need translating */
975 g_print (_("WARNING: NULL key event reported."));
978 keystroke->id = (CORBA_long) event->keyval;
979 keystroke->hw_code = (CORBA_short) event->keycode;
980 keystroke->timestamp = (CORBA_unsigned_long) event->timestamp;
981 keystroke->modifiers = (CORBA_unsigned_short) (event->state & 0xFFFF);
986 keystroke->event_string = CORBA_string_dup (event->string);
987 c = g_utf8_get_char_validated (event->string, -1);
988 if (c > 0 && g_unichar_isprint (c))
989 keystroke->is_text = CORBA_TRUE;
991 keystroke->is_text = CORBA_FALSE;
995 keystroke->event_string = CORBA_string_dup ("");
996 keystroke->is_text = CORBA_FALSE;
1000 case (ATK_KEY_EVENT_PRESS):
1001 keystroke->type = Accessibility_KEY_PRESSED_EVENT;
1003 case (ATK_KEY_EVENT_RELEASE):
1004 keystroke->type = Accessibility_KEY_RELEASED_EVENT;
1007 keystroke->type = 0;
1011 g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
1012 (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
1013 (int) keystroke->modifiers,
1014 keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
1019 spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
1021 CORBA_boolean result;
1022 Accessibility_DeviceEvent key_event;
1024 CORBA_exception_init (&ev);
1026 spi_init_keystroke_from_atk_key_event (&key_event, event);
1028 result = Accessibility_DeviceEventController_notifyListenersSync (
1029 spi_atk_bridget_get_dec (), &key_event, &ev);
1031 if (key_event.event_string) CORBA_free (key_event.event_string);
1033 if (BONOBO_EX(&ev)) {
1035 CORBA_exception_free (&ev);
1042 spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
1043 guint n_param_values,
1044 const GValue *param_values,
1048 GSignalQuery signal_query;
1050 const gchar *detail;
1055 gint detail1 = 0, detail2 = 0;
1056 SpiAccessible *s_ao = NULL;
1057 #ifdef SPI_BRIDGE_DEBUG
1058 const gchar *s, *s2;
1061 g_signal_query (signal_hint->signal_id, &signal_query);
1063 name = signal_query.signal_name;
1064 if (signal_hint->detail)
1065 detail = g_quark_to_string (signal_hint->detail);
1069 #ifdef SPI_BRIDGE_DEBUG
1070 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1071 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1072 fprintf (stderr, "Received signal %s:%s detail: %s from object %s (gail %s)\n",
1073 g_type_name (signal_query.itype), name,
1074 detail ? detail : "<NULL>", s ? s : "<NULL>" , s2);
1077 gobject = g_value_get_object (param_values + 0);
1079 if (signal_query.signal_id == atk_signal_active_descendant_changed)
1081 gpointer child = g_value_get_pointer (param_values + 1);
1083 g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE);
1085 ao = ATK_OBJECT (child);
1087 detail1 = atk_object_get_index_in_parent (ao);
1088 s_ao = spi_accessible_new (ao);
1089 c_obj = BONOBO_OBJREF (s_ao);
1090 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
1092 else if (signal_query.signal_id == atk_signal_link_selected)
1094 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1095 detail1 = g_value_get_int (param_values + 1);
1096 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1098 else if (signal_query.signal_id == atk_signal_bounds_changed)
1100 AtkRectangle *atk_rect = NULL;
1102 if (G_VALUE_HOLDS_BOXED (param_values + 1))
1103 atk_rect = g_value_get_boxed (param_values + 1);
1104 spi_atk_bridge_init_rect (&any, ATK_OBJECT (gobject), atk_rect);
1106 else if ((signal_query.signal_id == atk_signal_children_changed) && gobject)
1108 detail1 = g_value_get_uint (param_values + 1);
1109 ao = atk_object_ref_accessible_child (ATK_OBJECT (gobject),
1113 s_ao = spi_accessible_new (ao);
1114 c_obj = BONOBO_OBJREF (s_ao);
1115 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
1116 g_object_unref (ao);
1120 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1125 if (n_param_values >= 2)
1127 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1128 detail1 = g_value_get_int (param_values + 1);
1129 if (n_param_values >= 3)
1131 if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
1132 detail2 = g_value_get_int (param_values + 2);
1136 if (signal_query.signal_id == atk_signal_text_changed)
1138 sp = atk_text_get_text (ATK_TEXT (gobject),
1141 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
1144 else if (signal_query.signal_id == atk_signal_text_selection_changed)
1146 /* Return NULL as the selected string */
1147 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1151 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1156 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1157 "object:%s:%s", name, detail);
1159 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1166 bonobo_object_unref (BONOBO_OBJECT (s_ao));
1172 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
1173 guint n_param_values,
1174 const GValue *param_values,
1178 GSignalQuery signal_query;
1180 const gchar *name, *s;
1181 #ifdef SPI_BRIDGE_DEBUG
1185 g_signal_query (signal_hint->signal_id, &signal_query);
1187 name = signal_query.signal_name;
1189 #ifdef SPI_BRIDGE_DEBUG
1190 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1191 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1192 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1193 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1196 gobject = g_value_get_object (param_values + 0);
1198 s = atk_object_get_name (ATK_OBJECT (gobject));
1199 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1201 spi_atk_emit_eventv (gobject, 0, 0, &any,
1207 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
1208 guint n_param_values,
1209 const GValue *param_values,
1213 GSignalQuery signal_query;
1215 const gchar *name, *s;
1216 #ifdef SPI_BRIDGE_DEBUG
1220 g_signal_query (signal_hint->signal_id, &signal_query);
1222 name = signal_query.signal_name;
1224 #ifdef SPI_BRIDGE_DEBUG
1225 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1226 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1227 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1228 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1231 gobject = g_value_get_object (param_values + 0);
1233 s = atk_object_get_name (ATK_OBJECT (gobject));
1234 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1236 spi_atk_emit_eventv (gobject, 0, 0, &any,
1237 "document:%s", name);
1242 spi_atk_tidy_windows (void)
1248 root = atk_get_root ();
1249 n_children = atk_object_get_n_accessible_children (root);
1250 for (i = 0; i < n_children; i++)
1253 AtkStateSet *stateset;
1257 child = atk_object_ref_accessible_child (root, i);
1258 stateset = atk_object_ref_state_set (child);
1260 name = atk_object_get_name (child);
1261 if (atk_state_set_contains_state (stateset, ATK_STATE_ACTIVE))
1263 spi_atk_bridge_init_string (&any, child, (gchar**) &name);
1264 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:deactivate");
1268 g_object_unref (stateset);
1270 spi_atk_bridge_init_string (&any, child, (gchar**) &name);
1271 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:destroy");
1272 g_object_unref (child);
1277 reinit_register_vars (void)
1279 registry = CORBA_OBJECT_NIL;
1280 device_event_controller = CORBA_OBJECT_NIL;
1285 spi_atk_bridge_init_base (CORBA_any *any, AtkObject *obj,
1286 Accessibility_Application *app, Accessibility_Role *role,
1289 const gchar *s = atk_object_get_name (obj);
1290 *app = spi_accessible_new_return (atk_get_root (), FALSE, NULL);
1291 *role = spi_role_from_atk_role (atk_object_get_role (obj));
1292 *name = s ? s : ""; /* string gets dup-ed in util.c spi_init_any_* */
1296 spi_atk_bridge_init_nil (CORBA_any *any, AtkObject *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_nil (any, app, role, name);
1306 spi_atk_bridge_init_object (CORBA_any *any, AtkObject *obj, CORBA_Object *c_obj)
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_object (any, app, role, name, c_obj);
1316 spi_atk_bridge_init_string (CORBA_any *any, AtkObject *obj, gchar **string)
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_string (any, app, role, name, string);
1326 spi_atk_bridge_init_rect (CORBA_any *any, AtkObject *obj, AtkRectangle *rect)
1328 Accessibility_Application app = CORBA_OBJECT_NIL;
1329 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1331 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1332 spi_init_any_rect (any, app, role, name, rect);