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.
31 #include <libbonobo.h>
32 #include <orbit/orbit.h>
34 #include <atk/atkobject.h>
35 #include <atk/atknoopobject.h>
36 #include <libspi/Accessibility.h>
37 #include <libspi/spi-private.h>
38 #include "remoteobject.h"
39 #include "accessible.h"
40 #include "application.h"
41 #include <bonobo-activation/bonobo-activation-register.h>
43 #undef SPI_BRIDGE_DEBUG
45 #define DBG(a,b) if(_dbg>=(a))b
48 static CORBA_Environment ev;
49 static Accessibility_Registry registry = CORBA_OBJECT_NIL;
50 static Accessibility_DeviceEventController device_event_controller = CORBA_OBJECT_NIL;
51 static SpiApplication *this_app = NULL;
52 static gboolean registry_died = FALSE;
53 static gboolean atk_listeners_registered = FALSE;
54 static gint toplevels = 0;
55 static gboolean exiting = FALSE;
57 static guint atk_signal_text_changed;
58 static guint atk_signal_children_changed;
59 static guint atk_signal_active_descendant_changed;
60 static guint atk_signal_text_selection_changed;
63 static guint atk_signal_row_reordered;
64 static guint atk_signal_row_inserted;
65 static guint atk_signal_row_deleted;
66 static guint atk_signal_column_reordered;
67 static guint atk_signal_column_inserted;
68 static guint atk_signal_column_deleted;
71 static guint atk_signal_link_selected;
72 static guint atk_signal_bounds_changed;
74 static Accessibility_Registry spi_atk_bridge_get_registry (void);
75 static void spi_atk_bridge_do_registration (void);
76 static void spi_atk_bridge_toplevel_added (AtkObject *object,
79 static void spi_atk_bridge_toplevel_removed (AtkObject *object,
83 static void spi_atk_bridge_exit_func (void);
84 static void spi_atk_register_event_listeners (void);
85 static void spi_atk_bridge_focus_tracker (AtkObject *object);
86 static void spi_atk_bridge_register_application (Accessibility_Registry registry);
87 static gboolean spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
89 const GValue *param_values,
92 static void spi_atk_bridge_init_nil (CORBA_any *any,
94 static void spi_atk_bridge_init_object (CORBA_any *any,
97 static void spi_atk_bridge_init_string (CORBA_any *any,
100 static void spi_atk_bridge_init_rect (CORBA_any *any,
105 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
106 guint n_param_values,
107 const GValue *param_values,
110 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
111 guint n_param_values,
112 const GValue *param_values,
115 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
116 guint n_param_values,
117 const GValue *param_values,
119 static gboolean spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
120 guint n_param_values,
121 const GValue *param_values,
123 static gint spi_atk_bridge_key_listener (AtkKeyEventStruct *event,
125 static void spi_atk_tidy_windows (void);
126 static void deregister_application (BonoboObject *app);
127 static void reinit_register_vars (void);
129 /* For automatic libgnome init */
130 extern void gnome_accessibility_module_init (void);
131 extern void gnome_accessibility_module_shutdown (void);
133 static int atk_bridge_initialized = FALSE;
134 static pid_t atk_bridge_pid = 0;
135 static guint atk_bridge_focus_tracker_id = 0;
136 static guint atk_bridge_key_event_listener_id = 0;
137 static GArray *listener_ids = NULL;
140 * These exported symbols are hooked by gnome-program
141 * to provide automatic module initialization and shutdown.
143 extern void gnome_accessibility_module_init (void);
144 extern void gnome_accessibility_module_shutdown (void);
147 spi_atk_bridge_init_event_type_consts ()
149 static gboolean done = FALSE;
154 atk_signal_children_changed = g_signal_lookup ("children_changed",
156 atk_signal_text_changed = g_signal_lookup ("text_changed",
158 atk_signal_bounds_changed = g_signal_lookup ("bounds_changed",
160 atk_signal_active_descendant_changed =
161 g_signal_lookup ("active_descendant_changed",
163 atk_signal_link_selected = g_signal_lookup ("link_selected",
165 atk_signal_text_selection_changed = g_signal_lookup ("text_selection_changed",
171 atk_bridge_init (gint *argc, gchar **argv[])
173 const char *debug_env_string = g_getenv ("AT_SPI_DEBUG");
176 if (atk_bridge_initialized)
180 atk_bridge_initialized = TRUE;
181 atk_bridge_pid = getpid ();
183 if (g_getenv ("ATK_BRIDGE_REDIRECT_LOG"))
185 fname = g_strconcat ("/tmp/", g_get_prgname (), ".at-spi-log", NULL);
186 /* make sure we're not being redirected - security issue */
187 if (!g_file_test (fname, G_FILE_TEST_IS_SYMLINK))
188 freopen (fname, "w", stderr);
192 if (debug_env_string)
193 _dbg = (int) g_ascii_strtod (debug_env_string, NULL);
195 if (!bonobo_init (argc, argv ? *argv : NULL))
197 g_error ("Could not initialize Bonobo");
200 /* Create the accessible application server object */
201 this_app = spi_application_new (atk_get_root ());
203 * We only want to enable the bridge for top level
204 * applications, we detect bonobo components by seeing
205 * if they were activated with the intention of extracting
206 * an impl. by IID - very solid.
208 if (bonobo_activation_iid_get ())
210 DBG (1, g_message ("Found Bonobo component\n"));
211 g_signal_connect (atk_get_root (),
212 "children-changed::add",
213 (GCallback) spi_atk_bridge_toplevel_added,
215 g_signal_connect (atk_get_root (),
216 "children-changed::remove",
217 (GCallback) spi_atk_bridge_toplevel_removed,
222 spi_atk_bridge_do_registration ();
224 spi_atk_register_event_listeners ();
225 spi_atk_bridge_init_event_type_consts ();
232 spi_atk_bridge_do_registration (void)
234 CORBA_Environment ev;
236 CORBA_exception_init(&ev);
238 if (spi_atk_bridge_get_registry () == CORBA_OBJECT_NIL)
240 g_error ("Could not locate registry");
245 /* Create the accessible application server object */
246 if (this_app == NULL)
247 this_app = spi_application_new (atk_get_root ());
249 DBG (1, g_message ("About to register application\n"));
251 spi_atk_bridge_register_application (spi_atk_bridge_get_registry ());
253 g_atexit (spi_atk_bridge_exit_func);
255 DBG (1, g_message ("Application registered & listening\n"));
260 spi_atk_bridge_toplevel_added (AtkObject *object,
266 spi_atk_bridge_do_registration ();
272 spi_atk_bridge_toplevel_removed (AtkObject *object,
276 BonoboObject *app = (BonoboObject *) this_app;
281 deregister_application (app);
282 reinit_register_vars ();
286 g_warning ("More toplevels removed than added\n");
292 spi_atk_bridge_register_application (Accessibility_Registry registry)
294 Accessibility_Registry_registerApplication (spi_atk_bridge_get_registry (),
295 BONOBO_OBJREF (this_app),
300 * Returns a 'canonicalized' value for DISPLAY,
301 * with the screen number stripped off if present.
304 spi_display_name (void)
306 static const char *canonical_display_name = NULL;
307 if (!canonical_display_name)
309 const gchar *display_env = g_getenv ("AT_SPI_DISPLAY");
312 display_env = g_getenv ("DISPLAY");
313 if (!display_env || !display_env[0])
314 canonical_display_name = ":0";
317 gchar *display_p, *screen_p;
318 canonical_display_name = g_strdup (display_env);
319 display_p = strrchr (canonical_display_name, ':');
320 screen_p = strrchr (canonical_display_name, '.');
321 if (screen_p && display_p && (screen_p > display_p))
329 canonical_display_name = display_env;
332 return canonical_display_name;
335 static Accessibility_Registry
336 spi_atk_bridge_get_registry (void)
338 CORBA_Environment ev;
340 if (registry_died || (registry == CORBA_OBJECT_NIL)) {
341 CORBA_exception_init (&ev);
345 return CORBA_OBJECT_NIL;
347 DBG (1, g_warning ("registry died! restarting..."));
349 bonobo_activation_set_activation_env_value ("AT_SPI_DISPLAY", spi_display_name ());
351 registry = bonobo_activation_activate_from_id (
352 "OAFIID:Accessibility_Registry:1.0", 0, NULL, &ev);
354 if (ev._major != CORBA_NO_EXCEPTION)
356 g_error ("Accessibility app error: exception during "
357 "registry activation from id: %s\n",
358 CORBA_exception_id (&ev));
359 CORBA_exception_free (&ev);
362 if (registry_died && registry) {
363 registry_died = FALSE;
364 spi_atk_bridge_register_application (registry);
370 static Accessibility_DeviceEventController
371 spi_atk_bridget_get_dec (void)
373 CORBA_Environment ev;
375 if (device_event_controller != CORBA_OBJECT_NIL)
377 if (ORBit_small_get_connection_status (device_event_controller)
378 == ORBIT_CONNECTION_CONNECTED)
379 return device_event_controller;
382 CORBA_exception_init (&ev);
384 device_event_controller =
385 Accessibility_Registry_getDeviceEventController (
386 spi_atk_bridge_get_registry (), &ev);
390 g_warning (_("failure: no device event controller found.\n"));
391 registry_died = TRUE;
392 device_event_controller = CORBA_OBJECT_NIL;
395 return device_event_controller;
399 gtk_module_init (gint *argc, gchar **argv[])
401 return atk_bridge_init (argc, argv);
405 add_signal_listener (const char *signal_name)
409 id = atk_add_global_event_listener (
410 spi_atk_bridge_signal_listener, signal_name);
412 g_array_append_val (listener_ids, id);
416 spi_atk_register_event_listeners (void)
419 * kludge to make sure the Atk interface types are registered, otherwise
420 * the AtkText signal handlers below won't get registered
423 GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
424 AtkObject *bo = atk_no_op_object_new (ao);
427 if (atk_listeners_registered) return;
429 atk_listeners_registered = TRUE;
431 /* Register for focus event notifications, and register app with central registry */
433 listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
435 atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
437 id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
438 "Gtk:AtkObject:property-change");
439 g_array_append_val (listener_ids, id);
440 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
442 g_array_append_val (listener_ids, id);
443 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
445 g_array_append_val (listener_ids, id);
446 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
448 g_array_append_val (listener_ids, id);
449 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
451 g_array_append_val (listener_ids, id);
452 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
454 g_array_append_val (listener_ids, id);
455 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
457 g_array_append_val (listener_ids, id);
458 id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
459 "window:deactivate");
460 g_array_append_val (listener_ids, id);
461 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
462 "Gtk:AtkDocument:load-complete");
463 g_array_append_val (listener_ids, id);
464 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
465 "Gtk:AtkDocument:reload");
466 g_array_append_val (listener_ids, id);
467 id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener,
468 "Gtk:AtkDocument:load-stopped");
469 g_array_append_val (listener_ids, id);
470 id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
471 "Gtk:AtkObject:state-change");
472 g_array_append_val (listener_ids, id);
474 add_signal_listener ("Gtk:AtkObject:children-changed");
475 add_signal_listener ("Gtk:AtkObject:visible-data-changed");
476 add_signal_listener ("Gtk:AtkObject:active-descendant-changed");
477 add_signal_listener ("Gtk:AtkComponent:bounds-changed");
478 add_signal_listener ("Gtk:AtkSelection:selection-changed");
479 add_signal_listener ("Gtk:AtkText:text-selection-changed");
480 add_signal_listener ("Gtk:AtkText:text-changed");
481 add_signal_listener ("Gtk:AtkText:text-caret-moved");
482 add_signal_listener ("Gtk:AtkTable:row-inserted");
483 add_signal_listener ("Gtk:AtkTable:row-reordered");
484 add_signal_listener ("Gtk:AtkTable:row-deleted");
485 add_signal_listener ("Gtk:AtkTable:column-inserted");
486 add_signal_listener ("Gtk:AtkTable:column-reordered");
487 add_signal_listener ("Gtk:AtkTable:column-deleted");
488 add_signal_listener ("Gtk:AtkTable:model-changed");
489 add_signal_listener ("Gtk:AtkHypertext:link-selected");
491 * May add the following listeners to implement preemptive key listening for GTK+
493 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
494 * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
496 atk_bridge_key_event_listener_id = atk_add_key_event_listener (
497 spi_atk_bridge_key_listener, NULL);
499 g_object_unref (G_OBJECT (bo));
504 deregister_application (BonoboObject *app)
506 Accessibility_Registry registry = spi_atk_bridge_get_registry ();
507 Accessibility_Registry_deregisterApplication (registry, BONOBO_OBJREF (app), &ev);
509 device_event_controller = bonobo_object_release_unref (device_event_controller, &ev);
510 registry = bonobo_object_release_unref (registry, &ev);
512 app = bonobo_object_unref (app);
516 spi_atk_bridge_exit_func (void)
518 BonoboObject *app = (BonoboObject *) this_app;
520 DBG (1, g_message ("exiting bridge\n"));
527 if (atk_bridge_pid != getpid ())
534 * Check whether we still have windows which have not been deleted.
536 spi_atk_tidy_windows ();
538 * FIXME: this may be incorrect for apps that do their own bonobo
539 * shutdown, until we can explicitly shutdown to get the ordering
542 if (!bonobo_is_initialized ())
544 DBG (1, g_warning ("Re-initializing bonobo\n"));
545 g_assert (bonobo_init (0, NULL));
546 g_assert (bonobo_activate ());
550 deregister_application (app);
552 DBG (1, g_message ("bridge exit func complete.\n"));
554 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
556 g_assert (!bonobo_debug_shutdown ());
561 gnome_accessibility_module_init (void)
563 atk_bridge_init (NULL, NULL);
565 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
567 g_print("Atk Accessibility bridge initialized\n");
572 gnome_accessibility_module_shutdown (void)
574 BonoboObject *app = (BonoboObject *) this_app;
576 GArray *ids = listener_ids;
578 if (!atk_bridge_initialized)
582 atk_bridge_initialized = FALSE;
585 if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
587 g_print("Atk Accessibility bridge shutdown\n");
591 atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
593 for (i = 0; ids && i < ids->len; i++)
595 atk_remove_global_event_listener (g_array_index (ids, guint, i));
598 atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
600 deregister_application (app);
604 spi_atk_bridge_focus_tracker (AtkObject *object)
606 SpiAccessible *source;
607 Accessibility_Event e;
609 source = spi_accessible_new (object);
611 CORBA_exception_init (&ev);
614 e.source = BONOBO_OBJREF (source);
617 spi_atk_bridge_init_nil (&e.any_data, object);
619 registry_died = TRUE;
621 Accessibility_Registry_notifyEvent (spi_atk_bridge_get_registry (),
624 registry_died = TRUE;
626 bonobo_object_unref (source);
628 CORBA_exception_free (&ev);
632 spi_atk_emit_eventv (const GObject *gobject,
636 const char *format, ...)
639 Accessibility_Event e;
641 SpiAccessible *source = NULL;
642 Accessibility_Registry registry;
644 #ifdef SPI_BRIDGE_DEBUG
645 CORBA_string s = NULL;
648 va_start (args, format);
650 if (ATK_IS_IMPLEMENTOR (gobject))
652 aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
653 source = spi_accessible_new (aobject);
654 g_object_unref (G_OBJECT (aobject));
656 else if (ATK_IS_OBJECT (gobject))
658 aobject = ATK_OBJECT (gobject);
659 if (SPI_IS_REMOTE_OBJECT (aobject))
660 e.source = spi_remote_object_get_accessible (SPI_REMOTE_OBJECT (aobject));
662 source = spi_accessible_new (aobject);
667 DBG (0, g_warning ("received property-change event from non-AtkImplementor"));
671 name = atk_object_get_name (aobject);
672 e.type = g_strdup_vprintf (format, args);
673 if (source) e.source = BONOBO_OBJREF (source);
676 if (any) e.any_data = *any;
677 else spi_atk_bridge_init_nil (&e.any_data, aobject);
679 #ifdef SPI_BRIDGE_DEBUG
680 if (e.source != CORBA_OBJECT_NIL)
681 s = Accessibility_Accessible__get_name (e.source, &ev);
682 g_message ("Emitting event '%s' (%lu, %lu) on %s",
683 e.type, e.detail1, e.detail2, s);
686 CORBA_exception_init (&ev);
687 registry = spi_atk_bridge_get_registry ();
692 Accessibility_Registry_notifyEvent (registry,
694 #ifdef SPI_BRIDGE_DEBUG
695 if (ev._major != CORBA_NO_EXCEPTION)
696 g_message ("error emitting event %s, (%d) %s",
699 CORBA_exception_id(&ev));
701 if (BONOBO_EX (&ev)) registry_died = TRUE;
704 bonobo_object_unref (BONOBO_OBJECT (source));
706 Bonobo_Unknown_unref (e.source, &ev);
708 CORBA_exception_free (&ev);
712 if (!any && e.any_data._release) CORBA_free (e.any_data._value);
719 spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
720 guint n_param_values,
721 const GValue *param_values,
724 AtkPropertyValues *values;
726 const gchar *prop_name;
728 const gchar *sp = NULL;
730 SpiAccessible *s_ao = NULL;
733 const gchar *name = NULL;
735 #ifdef SPI_BRIDGE_DEBUG
736 GSignalQuery signal_query;
737 const gchar *signame;
740 g_signal_query (signal_hint->signal_id, &signal_query);
741 signame = signal_query.signal_name;
743 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
744 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
745 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
746 DBG (2, g_message ("Received (property) signal %s:%s:%s from object %s (gail %s)\n",
747 g_type_name (signal_query.itype), signame, values->property_name, s, s2));
751 gobject = g_value_get_object (param_values + 0);
752 name = atk_object_get_name (ATK_OBJECT (gobject));
753 values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
755 prop_name = values->property_name;
756 if (strcmp (prop_name, "accessible-name") == 0)
758 spi_atk_bridge_init_string (&any,
759 ATK_OBJECT (gobject),
762 else if (strcmp (prop_name, "accessible-description") == 0)
764 sp = atk_object_get_description (ATK_OBJECT (gobject));
765 spi_atk_bridge_init_string (&any,
766 ATK_OBJECT (gobject),
769 else if (strcmp (prop_name, "accessible-parent") == 0)
771 ao = atk_object_get_parent (ATK_OBJECT (gobject));
774 s_ao = spi_accessible_new (ao);
775 c_obj = BONOBO_OBJREF (s_ao);
776 spi_atk_bridge_init_object (&any,
777 ATK_OBJECT (gobject),
782 spi_atk_bridge_init_nil (&any,
783 ATK_OBJECT (gobject));
786 else if (strcmp (prop_name, "accessible-table-summary") == 0)
788 ao = atk_table_get_summary (ATK_TABLE (gobject));
791 s_ao = spi_accessible_new (ao);
792 c_obj = BONOBO_OBJREF (s_ao);
793 spi_atk_bridge_init_object (&any,
794 ATK_OBJECT (gobject),
799 spi_atk_bridge_init_nil (&any,
800 ATK_OBJECT (gobject));
803 else if (strcmp (prop_name, "accessible-table-column-header") == 0)
805 i = g_value_get_int (&(values->new_value));
806 ao = atk_table_get_column_header (ATK_TABLE (gobject), i);
809 s_ao = spi_accessible_new (ao);
810 c_obj = BONOBO_OBJREF (s_ao);
811 spi_atk_bridge_init_object (&any,
812 ATK_OBJECT (gobject),
817 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
820 else if (strcmp (prop_name, "accessible-table-row-header") == 0)
822 i = g_value_get_int (&(values->new_value));
823 ao = atk_table_get_row_header (ATK_TABLE (gobject), i);
826 s_ao = spi_accessible_new (ao);
827 c_obj = BONOBO_OBJREF (s_ao);
828 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
832 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
835 else if (strcmp (prop_name, "accessible-table-row-description") == 0)
837 i = g_value_get_int (&(values->new_value));
838 sp = atk_table_get_row_description (ATK_TABLE (gobject), i);
839 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
842 else if (strcmp (prop_name, "accessible-table-column-description") == 0)
844 i = g_value_get_int (&(values->new_value));
845 sp = atk_table_get_column_description (ATK_TABLE (gobject), i);
846 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
849 else if (strcmp (prop_name, "accessible-table-caption-object") == 0)
851 ao = atk_table_get_caption (ATK_TABLE (gobject));
852 sp = atk_object_get_name (ao);
853 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
858 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
861 spi_atk_emit_eventv (gobject, 0, 0, &any,
862 "object:property-change:%s", prop_name);
869 spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
870 guint n_param_values,
871 const GValue *param_values,
875 gchar *property_name;
877 unsigned long detail1;
878 #ifdef SPI_BRIDGE_DEBUG
879 GSignalQuery signal_query;
882 g_signal_query (signal_hint->signal_id, &signal_query);
883 name = signal_query.signal_name;
884 fprintf (stderr, "Received (state) signal %s:%s\n",
885 g_type_name (signal_query.itype), name);
888 gobject = g_value_get_object (param_values + 0);
889 property_name = g_strdup (g_value_get_string (param_values + 1));
890 detail1 = (g_value_get_boolean (param_values + 2))
892 type = g_strdup_printf ("object:state-changed:%s", property_name);
893 spi_atk_emit_eventv (gobject,
898 g_free (property_name);
904 spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
905 AtkKeyEventStruct *event)
910 g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
915 { /* this doesn't really need translating */
916 g_print (_("WARNING: NULL key event reported."));
919 keystroke->id = (CORBA_long) event->keyval;
920 keystroke->hw_code = (CORBA_short) event->keycode;
921 keystroke->timestamp = (CORBA_unsigned_long) event->timestamp;
922 keystroke->modifiers = (CORBA_unsigned_short) (event->state & 0xFFFF);
927 keystroke->event_string = CORBA_string_dup (event->string);
928 c = g_utf8_get_char_validated (event->string, -1);
929 if (c > 0 && g_unichar_isprint (c))
930 keystroke->is_text = CORBA_TRUE;
932 keystroke->is_text = CORBA_FALSE;
936 keystroke->event_string = CORBA_string_dup ("");
937 keystroke->is_text = CORBA_FALSE;
941 case (ATK_KEY_EVENT_PRESS):
942 keystroke->type = Accessibility_KEY_PRESSED_EVENT;
944 case (ATK_KEY_EVENT_RELEASE):
945 keystroke->type = Accessibility_KEY_RELEASED_EVENT;
952 g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
953 (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
954 (int) keystroke->modifiers,
955 keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
960 spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
962 CORBA_boolean result;
963 Accessibility_DeviceEvent key_event;
965 CORBA_exception_init (&ev);
967 spi_init_keystroke_from_atk_key_event (&key_event, event);
969 result = Accessibility_DeviceEventController_notifyListenersSync (
970 spi_atk_bridget_get_dec (), &key_event, &ev);
972 if (key_event.event_string) CORBA_free (key_event.event_string);
974 if (BONOBO_EX(&ev)) {
976 CORBA_exception_free (&ev);
983 spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
984 guint n_param_values,
985 const GValue *param_values,
989 GSignalQuery signal_query;
996 gint detail1 = 0, detail2 = 0;
997 SpiAccessible *s_ao = NULL;
998 #ifdef SPI_BRIDGE_DEBUG
1002 g_signal_query (signal_hint->signal_id, &signal_query);
1004 name = signal_query.signal_name;
1005 if (signal_hint->detail)
1006 detail = g_quark_to_string (signal_hint->detail);
1010 #ifdef SPI_BRIDGE_DEBUG
1011 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1012 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1013 fprintf (stderr, "Received signal %s:%s detail: %s from object %s (gail %s)\n",
1014 g_type_name (signal_query.itype), name,
1015 detail ? detail : "<NULL>", s ? s : "<NULL>" , s2);
1018 gobject = g_value_get_object (param_values + 0);
1020 if (signal_query.signal_id == atk_signal_active_descendant_changed)
1022 gpointer child = g_value_get_pointer (param_values + 1);
1024 g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE);
1026 ao = ATK_OBJECT (child);
1028 detail1 = atk_object_get_index_in_parent (ao);
1029 s_ao = spi_accessible_new (ao);
1030 c_obj = BONOBO_OBJREF (s_ao);
1031 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
1033 else if (signal_query.signal_id == atk_signal_link_selected)
1035 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1036 detail1 = g_value_get_int (param_values + 1);
1037 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1039 else if (signal_query.signal_id == atk_signal_bounds_changed)
1041 AtkRectangle *atk_rect = NULL;
1043 if (G_VALUE_HOLDS_BOXED (param_values + 1))
1044 atk_rect = g_value_get_boxed (param_values + 1);
1045 spi_atk_bridge_init_rect (&any, ATK_OBJECT (gobject), atk_rect);
1047 else if ((signal_query.signal_id == atk_signal_children_changed) && gobject)
1049 detail1 = g_value_get_uint (param_values + 1);
1050 ao = atk_object_ref_accessible_child (ATK_OBJECT (gobject),
1054 s_ao = spi_accessible_new (ao);
1055 c_obj = BONOBO_OBJREF (s_ao);
1056 spi_atk_bridge_init_object (&any, ATK_OBJECT (gobject), &c_obj);
1057 g_object_unref (ao);
1061 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1066 if (n_param_values >= 2)
1068 if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
1069 detail1 = g_value_get_int (param_values + 1);
1070 if (n_param_values >= 3)
1072 if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
1073 detail2 = g_value_get_int (param_values + 2);
1077 if (signal_query.signal_id == atk_signal_text_changed)
1079 sp = atk_text_get_text (ATK_TEXT (gobject),
1082 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject),
1085 else if (signal_query.signal_id == atk_signal_text_selection_changed)
1087 /* Return NULL as the selected string */
1088 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1092 spi_atk_bridge_init_nil (&any, ATK_OBJECT (gobject));
1097 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1098 "object:%s:%s", name, detail);
1100 spi_atk_emit_eventv (gobject, detail1, detail2, &any,
1110 spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
1111 guint n_param_values,
1112 const GValue *param_values,
1116 GSignalQuery signal_query;
1118 const gchar *name, *s;
1119 #ifdef SPI_BRIDGE_DEBUG
1123 g_signal_query (signal_hint->signal_id, &signal_query);
1125 name = signal_query.signal_name;
1127 #ifdef SPI_BRIDGE_DEBUG
1128 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1129 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1130 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1131 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1134 gobject = g_value_get_object (param_values + 0);
1136 s = atk_object_get_name (ATK_OBJECT (gobject));
1137 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1139 spi_atk_emit_eventv (gobject, 0, 0, &any,
1145 spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint,
1146 guint n_param_values,
1147 const GValue *param_values,
1151 GSignalQuery signal_query;
1153 const gchar *name, *s;
1154 #ifdef SPI_BRIDGE_DEBUG
1158 g_signal_query (signal_hint->signal_id, &signal_query);
1160 name = signal_query.signal_name;
1162 #ifdef SPI_BRIDGE_DEBUG
1163 s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
1164 s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
1165 fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
1166 g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
1169 gobject = g_value_get_object (param_values + 0);
1171 s = atk_object_get_name (ATK_OBJECT (gobject));
1172 spi_atk_bridge_init_string (&any, ATK_OBJECT (gobject), (gchar **) &s);
1174 spi_atk_emit_eventv (gobject, 0, 0, &any,
1175 "document:%s", name);
1180 spi_atk_tidy_windows (void)
1186 root = atk_get_root ();
1187 n_children = atk_object_get_n_accessible_children (root);
1188 for (i = 0; i < n_children; i++)
1191 AtkStateSet *stateset;
1195 child = atk_object_ref_accessible_child (root, i);
1196 stateset = atk_object_ref_state_set (child);
1198 name = atk_object_get_name (child);
1199 spi_atk_bridge_init_string (&any, child, (gchar**) &name);
1200 if (atk_state_set_contains_state (stateset, ATK_STATE_ACTIVE))
1202 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:deactivate");
1206 g_object_unref (stateset);
1208 spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:destroy");
1209 g_object_unref (child);
1214 reinit_register_vars (void)
1216 registry = CORBA_OBJECT_NIL;
1217 device_event_controller = CORBA_OBJECT_NIL;
1222 spi_atk_bridge_init_base (CORBA_any *any, AtkObject *obj,
1223 Accessibility_Application *app, Accessibility_Role *role,
1226 const gchar *s = atk_object_get_name (obj);
1227 *app = spi_accessible_new_return (atk_get_root (), FALSE, NULL);
1228 *role = spi_role_from_atk_role (atk_object_get_role (obj));
1229 *name = s ? s : ""; /* string gets dup-ed in util.c spi_init_any_* */
1233 spi_atk_bridge_init_nil (CORBA_any *any, AtkObject *obj)
1235 Accessibility_Application app = CORBA_OBJECT_NIL;
1236 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1238 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1239 spi_init_any_nil (any, app, role, name);
1243 spi_atk_bridge_init_object (CORBA_any *any, AtkObject *obj, CORBA_Object *c_obj)
1245 Accessibility_Application app = CORBA_OBJECT_NIL;
1246 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1248 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1249 spi_init_any_object (any, app, role, name, c_obj);
1253 spi_atk_bridge_init_string (CORBA_any *any, AtkObject *obj, gchar **string)
1255 Accessibility_Application app = CORBA_OBJECT_NIL;
1256 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1258 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1259 spi_init_any_string (any, app, role, name, string);
1263 spi_atk_bridge_init_rect (CORBA_any *any, AtkObject *obj, AtkRectangle *rect)
1265 Accessibility_Application app = CORBA_OBJECT_NIL;
1266 Accessibility_Role role = Accessibility_ROLE_UNKNOWN;
1268 spi_atk_bridge_init_base (any, obj, &app, &role, &name);
1269 spi_init_any_rect (any, app, role, name, rect);