2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001 Sun Microsystems Inc.
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
23 /* deviceeventcontroler.c: implement the DeviceEventController interface */
28 #define SPI_KEYEVENT_DEBUG
33 #include <bonobo/bonobo-exception.h>
36 #include <X11/extensions/XTest.h>
38 #include <X11/keysymdef.h>
40 #include <gdk/gdkx.h> /* TODO: hide dependency (wrap in single porting file) */
41 #include <gdk/gdkkeysyms.h>
42 #include <gdk/gdkwindow.h>
44 #include "../libspi/spi-private.h"
45 #include "deviceeventcontroller.h"
47 /* Our parent Gtk object type */
48 #define PARENT_TYPE BONOBO_TYPE_OBJECT
50 /* A pointer to our parent object class */
51 static GObjectClass *spi_device_event_controller_parent_class;
53 int (*x_default_error_handler) (Display *display, XErrorEvent *error_event);
57 SPI_DEVICE_TYPE_MOUSE,
58 SPI_DEVICE_TYPE_LAST_DEFINED
59 } SpiDeviceTypeCategory;
63 guint pending_add : 1;
64 guint pending_remove : 1;
66 Accessibility_ControllerEventMask mod_mask;
67 CORBA_unsigned_long key_val; /* KeyCode */
68 } DEControllerGrabMask;
72 SpiDeviceTypeCategory type;
73 } DEControllerListener;
76 DEControllerListener listener;
78 Accessibility_KeySet *keys;
79 Accessibility_ControllerEventMask mask;
80 Accessibility_KeyEventTypeSeq *typeseq;
81 Accessibility_EventListenerMode *mode;
82 } DEControllerKeyListener;
84 static void spi_controller_register_with_devices (SpiDEController *controller);
85 static gboolean spi_controller_update_key_grabs (SpiDEController *controller,
86 Accessibility_DeviceEvent *recv);
87 static void spi_controller_register_device_listener (SpiDEController *controller,
88 DEControllerListener *l,
89 CORBA_Environment *ev);
90 static void spi_device_event_controller_forward_key_event (SpiDEController *controller,
93 #define spi_get_display() GDK_DISPLAY()
98 keycode_for_keysym (long keysym)
100 return XKeysymToKeycode (spi_get_display (), (KeySym) keysym);
103 static DEControllerGrabMask *
104 spi_grab_mask_clone (DEControllerGrabMask *grab_mask)
106 DEControllerGrabMask *clone = g_new (DEControllerGrabMask, 1);
108 memcpy (clone, grab_mask, sizeof (DEControllerGrabMask));
110 clone->ref_count = 1;
111 clone->pending_add = TRUE;
112 clone->pending_remove = FALSE;
118 spi_grab_mask_free (DEControllerGrabMask *grab_mask)
124 spi_grab_mask_compare_values (gconstpointer p1, gconstpointer p2)
126 DEControllerGrabMask *l1 = (DEControllerGrabMask *) p1;
127 DEControllerGrabMask *l2 = (DEControllerGrabMask *) p2;
135 return ((l1->mod_mask != l2->mod_mask) || (l1->key_val != l2->key_val));
139 static DEControllerKeyListener *
140 spi_dec_key_listener_new (CORBA_Object l,
141 const Accessibility_KeySet *keys,
142 const Accessibility_ControllerEventMask mask,
143 const Accessibility_KeyEventTypeSeq *typeseq,
144 const Accessibility_EventListenerMode *mode,
145 CORBA_Environment *ev)
147 DEControllerKeyListener *key_listener = g_new0 (DEControllerKeyListener, 1);
148 key_listener->listener.object = bonobo_object_dup_ref (l, ev);
149 key_listener->listener.type = SPI_DEVICE_TYPE_KBD;
150 key_listener->keys = ORBit_copy_value (keys, TC_Accessibility_KeySet);
151 key_listener->mask = mask;
152 key_listener->typeseq = ORBit_copy_value (typeseq, TC_Accessibility_KeyEventTypeSeq);
154 key_listener->mode = ORBit_copy_value (mode, TC_Accessibility_EventListenerMode);
156 key_listener->mode = NULL;
159 g_print ("new listener, with mask %x, is_global %d, keys %p (%d)\n",
160 (unsigned int) key_listener->mask,
161 (int) (mode ? mode->global : 0),
162 (void *) key_listener->keys,
163 (int) (key_listener->keys ? key_listener->keys->_length : 0));
170 spi_dec_key_listener_free (DEControllerKeyListener *key_listener,
171 CORBA_Environment *ev)
173 bonobo_object_release_unref (key_listener->listener.object, ev);
174 CORBA_free (key_listener->typeseq);
175 CORBA_free (key_listener->keys);
176 g_free (key_listener);
180 _register_keygrab (SpiDEController *controller,
181 DEControllerGrabMask *grab_mask)
185 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
186 spi_grab_mask_compare_values);
189 DEControllerGrabMask *cur_mask = l->data;
191 cur_mask->ref_count++;
192 if (cur_mask->pending_remove)
194 cur_mask->pending_remove = FALSE;
199 controller->keygrabs_list =
200 g_list_prepend (controller->keygrabs_list,
201 spi_grab_mask_clone (grab_mask));
206 _deregister_keygrab (SpiDEController *controller,
207 DEControllerGrabMask *grab_mask)
211 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
212 spi_grab_mask_compare_values);
216 DEControllerGrabMask *cur_mask = l->data;
218 cur_mask->ref_count--;
219 if (cur_mask->ref_count <= 0)
221 cur_mask->pending_remove = TRUE;
226 g_warning ("De-registering non-existant grab");
231 handle_keygrab (SpiDEController *controller,
232 DEControllerKeyListener *key_listener,
233 void (*process_cb) (SpiDEController *controller,
234 DEControllerGrabMask *grab_mask))
236 DEControllerGrabMask grab_mask = { 0 };
238 grab_mask.mod_mask = key_listener->mask;
239 if (key_listener->keys->_length == 0) /* special case means AnyKey/AllKeys */
241 grab_mask.key_val = AnyKey;
242 process_cb (controller, &grab_mask);
248 for (i = 0; i < key_listener->keys->_length; ++i)
250 Accessibility_KeyDefinition keydef = key_listener->keys->_buffer[i];
251 long int key_val = keydef.keysym;
252 /* X Grabs require keycodes, not keysyms */
253 if (keydef.keystring)
255 key_val = XStringToKeysym(keydef.keystring);
259 key_val = XKeysymToKeycode (spi_get_display (), (KeySym) key_val);
263 key_val = keydef.keycode;
265 grab_mask.key_val = key_val;
267 process_cb (controller, &grab_mask);
273 spi_controller_register_global_keygrabs (SpiDEController *controller,
274 DEControllerKeyListener *key_listener)
276 handle_keygrab (controller, key_listener, _register_keygrab);
277 spi_controller_update_key_grabs (controller, NULL);
281 spi_controller_deregister_global_keygrabs (SpiDEController *controller,
282 DEControllerKeyListener *key_listener)
284 handle_keygrab (controller, key_listener, _deregister_keygrab);
285 spi_controller_update_key_grabs (controller, NULL);
289 spi_controller_register_device_listener (SpiDEController *controller,
290 DEControllerListener *listener,
291 CORBA_Environment *ev)
293 DEControllerKeyListener *key_listener;
295 switch (listener->type) {
296 case SPI_DEVICE_TYPE_KBD:
297 key_listener = (DEControllerKeyListener *) listener;
299 controller->key_listeners = g_list_prepend (controller->key_listeners,
301 if (key_listener->mode->global)
303 spi_controller_register_global_keygrabs (controller, key_listener);
311 static GdkFilterReturn
312 global_filter_fn (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
314 XEvent *xevent = gdk_xevent;
315 SpiDEController *controller;
317 if (xevent->type != KeyPress && xevent->type != KeyRelease)
319 return GDK_FILTER_CONTINUE;
322 controller = SPI_DEVICE_EVENT_CONTROLLER (data);
324 spi_device_event_controller_forward_key_event (controller, xevent);
326 /* FIXME: is this right ? */
327 return GDK_FILTER_CONTINUE;
331 _spi_controller_device_error_handler (Display *display, XErrorEvent *error)
333 if (error->error_code == BadAccess)
335 g_message ("Could not complete key grab: grab already in use.\n");
340 return (*x_default_error_handler) (display, error);
345 spi_controller_register_with_devices (SpiDEController *controller)
347 /* calls to device-specific implementations and routines go here */
348 /* register with: keyboard hardware code handler */
349 /* register with: (translated) keystroke handler */
351 gdk_window_add_filter (NULL, global_filter_fn, controller);
353 gdk_window_set_events (gdk_get_default_root_window (),
354 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK);
356 x_default_error_handler = XSetErrorHandler (_spi_controller_device_error_handler);
360 spi_key_set_contains_key (Accessibility_KeySet *key_set,
361 const Accessibility_DeviceEvent *key_event)
368 g_print ("null key set!");
372 len = key_set->_length;
374 if (len == 0) /* special case, means "all keys/any key" */
376 g_print ("anykey\n");
380 for (i = 0; i < len; ++i)
382 #ifdef SPI_KEYEVENT_DEBUG
383 g_print ("key_set[%d] = %d; key_event %d, code %d\n",
384 i, (int) key_set->_buffer[i].keycode,
385 (int) key_event->id, (int) key_event->hw_code);
387 if (key_set->_buffer[i].keysym == (CORBA_long) key_event->id)
391 if (key_set->_buffer[i].keycode == (CORBA_long) key_event->hw_code)
395 if (key_event->event_string && key_event->event_string[0] && !strcmp
396 (key_set->_buffer[i].keystring, key_event->event_string))
406 spi_key_eventtype_seq_contains_event (Accessibility_KeyEventTypeSeq *type_seq,
407 const Accessibility_DeviceEvent *key_event)
415 g_print ("null type seq!");
419 len = type_seq->_length;
421 if (len == 0) /* special case, means "all events/any event" */
426 for (i = 0; i < len; ++i)
429 g_print ("type_seq[%d] = %d; key event type = %d\n", i,
430 (int) type_seq->_buffer[i], (int) key_event->type);
432 if (type_seq->_buffer[i] == (CORBA_long) key_event->type)
442 spi_key_event_matches_listener (const Accessibility_DeviceEvent *key_event,
443 DEControllerKeyListener *listener,
444 CORBA_boolean is_system_global)
446 if ((key_event->modifiers == (CORBA_unsigned_short) (listener->mask & 0xFFFF)) &&
447 spi_key_set_contains_key (listener->keys, key_event) &&
448 spi_key_eventtype_seq_contains_event (listener->typeseq, key_event) &&
449 (is_system_global == listener->mode->global))
460 spi_notify_keylisteners (GList **key_listeners,
461 const Accessibility_DeviceEvent *key_event,
462 CORBA_boolean is_system_global,
463 CORBA_Environment *ev)
466 GSList *notify = NULL, *l2;
467 gboolean is_consumed;
474 for (l = *key_listeners; l; l = l->next)
476 DEControllerKeyListener *key_listener = l->data;
478 if (spi_key_event_matches_listener (key_event, key_listener, is_system_global))
480 Accessibility_DeviceEventListener ls = key_listener->listener.object;
482 if (ls != CORBA_OBJECT_NIL)
484 notify = g_slist_prepend (notify, CORBA_Object_duplicate (ls, ev));
489 #ifdef SPI_KEYEVENT_DEBUG
492 g_print ("no match for event\n");
497 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
499 Accessibility_DeviceEventListener ls = l2->data;
501 is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, key_event, ev);
506 CORBA_exception_free (ev);
509 CORBA_Object_release (ls, ev);
512 for (; l2; l2 = l2->next)
514 CORBA_Object_release (l2->data, ev);
517 g_slist_free (notify);
520 if (is_consumed) g_message ("consumed\n");
525 static Accessibility_DeviceEvent
526 spi_keystroke_from_x_key_event (XKeyEvent *x_key_event)
528 Accessibility_DeviceEvent key_event;
530 const int cbuf_bytes = 20;
531 char cbuf [cbuf_bytes];
533 keysym = XLookupKeysym (x_key_event, 0);
534 key_event.id = (CORBA_long)(keysym);
535 key_event.hw_code = (CORBA_short) x_key_event->keycode;
536 if (((XEvent *) x_key_event)->type == KeyPress)
538 key_event.type = Accessibility_KEY_PRESSED;
542 key_event.type = Accessibility_KEY_RELEASED;
544 key_event.modifiers = (CORBA_unsigned_short)(x_key_event->state);
545 key_event.is_text = CORBA_FALSE;
549 key_event.event_string = CORBA_string_dup ("space");
552 #ifdef SPI_KEYEVENT_DEBUG
553 fprintf(stderr, "Tab\n");
555 key_event.event_string = CORBA_string_dup ("Tab");
558 key_event.event_string = CORBA_string_dup ("Backspace");
561 key_event.event_string = CORBA_string_dup ("Return");
564 if (XLookupString (x_key_event, cbuf, cbuf_bytes, &keysym, NULL) > 0)
566 key_event.event_string = CORBA_string_dup (cbuf);
567 if (isgraph (keysym))
569 key_event.is_text = CORBA_TRUE; /* FIXME: incorrect for some composed chars? */
574 key_event.event_string = CORBA_string_dup ("");
578 key_event.timestamp = (CORBA_unsigned_long) x_key_event->time;
579 #ifdef SPI_KEYEVENT_DEBUG
581 "Key %lu pressed (%c), modifiers %d\n",
582 (unsigned long) keysym,
583 keysym ? (int) keysym : '*',
584 (int) x_key_event->state);
587 fprintf (stderr, "%s%c",
588 (x_key_event->state & Mod1Mask)?"Alt-":"",
589 ((x_key_event->state & ShiftMask)^(x_key_event->state & LockMask))?
590 g_ascii_toupper (keysym) : g_ascii_tolower (keysym));
591 #endif /* SPI_DEBUG */
596 spi_controller_update_key_grabs (SpiDEController *controller,
597 Accessibility_DeviceEvent *recv)
601 g_return_val_if_fail (controller != NULL, FALSE);
604 * masks known to work with default RH 7.1+:
605 * 0 (no mods), LockMask, Mod1Mask, Mod2Mask, ShiftMask,
606 * ShiftMask|LockMask, Mod1Mask|LockMask, Mod2Mask|LockMask,
607 * ShiftMask|Mod1Mask, ShiftMask|Mod2Mask, Mod1Mask|Mod2Mask,
608 * ShiftMask|LockMask|Mod1Mask, ShiftMask|LockMask|Mod2Mask,
610 * ControlMask grabs are broken, must be in use already
612 for (l = controller->keygrabs_list; l; l = next)
615 gboolean re_issue_grab;
616 DEControllerGrabMask *grab_mask = l->data;
620 re_issue_grab = recv &&
621 /* (recv->type == Accessibility_KEY_RELEASED) && - (?) */
622 (recv->modifiers & grab_mask->mod_mask) &&
623 (grab_mask->key_val == keycode_for_keysym (recv->id));
626 fprintf (stderr, "mask=%lx %lx (%c%c) %s\n",
627 (long int) grab_mask->key_val,
628 (long int) grab_mask->mod_mask,
629 grab_mask->pending_add ? '+' : '.',
630 grab_mask->pending_remove ? '-' : '.',
631 re_issue_grab ? "re-issue": "");
636 if (grab_mask->pending_add && grab_mask->pending_remove)
640 else if (grab_mask->pending_remove)
643 fprintf (stderr, "ungrabbing, mask=%x\n", grab_mask->mod_mask);
645 XUngrabKey (spi_get_display (),
648 gdk_x11_get_default_root_xwindow ());
652 else if (grab_mask->pending_add || re_issue_grab)
656 fprintf (stderr, "grab with mask %x\n", grab_mask->mod_mask);
658 XGrabKey (spi_get_display (),
661 gdk_x11_get_default_root_xwindow (),
667 grab_mask->pending_add = FALSE;
668 grab_mask->pending_remove = FALSE;
672 g_assert (grab_mask->ref_count <= 0);
674 controller->keygrabs_list = g_list_delete_link (
675 controller->keygrabs_list, l);
677 spi_grab_mask_free (grab_mask);
680 /* TODO: check calls for errors and return FALSE if error occurs */
687 * Implemented GObject::finalize
690 spi_device_event_controller_object_finalize (GObject *object)
692 SpiDEController *controller;
694 controller = SPI_DEVICE_EVENT_CONTROLLER (object);
697 fprintf(stderr, "spi_device_event_controller_object_finalize called\n");
699 /* disconnect any special listeners, get rid of outstanding keygrabs */
700 XUngrabKey (spi_get_display (), AnyKey, AnyModifier, DefaultRootWindow (spi_get_display ()));
702 spi_device_event_controller_parent_class->finalize (object);
706 * CORBA Accessibility::DEController::registerKeystrokeListener
707 * method implementation
710 impl_register_keystroke_listener (PortableServer_Servant servant,
711 const Accessibility_DeviceEventListener l,
712 const Accessibility_KeySet *keys,
713 const Accessibility_ControllerEventMask mask,
714 const Accessibility_KeyEventTypeSeq *type,
715 const Accessibility_EventListenerMode *mode,
716 CORBA_Environment *ev)
718 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
719 bonobo_object_from_servant (servant));
720 DEControllerKeyListener *dec_listener;
722 fprintf (stderr, "registering keystroke listener %p with maskVal %lu\n",
723 (void *) l, (unsigned long) mask);
725 dec_listener = spi_dec_key_listener_new (l, keys, mask, type, mode, ev);
726 spi_controller_register_device_listener (
727 controller, (DEControllerListener *) dec_listener, ev);
732 CORBA_Environment *ev;
733 DEControllerKeyListener *key_listener;
734 } RemoveKeyListenerClosure;
736 static SpiReEntrantContinue
737 remove_key_listener_cb (GList * const *list,
740 DEControllerKeyListener *key_listener = (*list)->data;
741 RemoveKeyListenerClosure *ctx = user_data;
743 if (CORBA_Object_is_equivalent (ctx->key_listener->listener.object,
744 key_listener->listener.object, ctx->ev))
746 spi_re_entrant_list_delete_link (list);
747 spi_dec_key_listener_free (key_listener, ctx->ev);
750 return SPI_RE_ENTRANT_CONTINUE;
753 static SpiReEntrantContinue
754 copy_key_listener_cb (GList * const *list,
757 DEControllerKeyListener *key_listener = (*list)->data;
758 RemoveKeyListenerClosure *ctx = user_data;
760 if (CORBA_Object_is_equivalent (ctx->key_listener->listener.object,
761 key_listener->listener.object, ctx->ev))
763 /* TODO: FIXME aggregate keys in case the listener is registered twice */
764 CORBA_free (ctx->key_listener->keys);
765 ctx->key_listener->keys = ORBit_copy_value (key_listener->keys, TC_Accessibility_KeySet);
768 return SPI_RE_ENTRANT_CONTINUE;
772 * CORBA Accessibility::DEController::deregisterKeystrokeListener
773 * method implementation
776 impl_deregister_keystroke_listener (PortableServer_Servant servant,
777 const Accessibility_DeviceEventListener l,
778 const Accessibility_KeySet *keys,
779 const Accessibility_ControllerEventMask mask,
780 const Accessibility_KeyEventTypeSeq *type,
781 CORBA_Environment *ev)
783 DEControllerKeyListener *key_listener;
784 RemoveKeyListenerClosure ctx;
785 SpiDEController *controller;
787 controller = SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
789 key_listener = spi_dec_key_listener_new (l, keys, mask, type, NULL, ev);
791 #ifdef SPI_DEREGISTER_DEBUG
792 fprintf (stderr, "deregistering keystroke listener %p with maskVal %lu\n",
793 (void *) l, (unsigned long) mask->value);
797 ctx.key_listener = key_listener;
799 /* special case, copy keyset from existing controller list entry */
800 if (keys->_length == 0)
802 spi_re_entrant_list_foreach (&controller->key_listeners,
803 copy_key_listener_cb, &ctx);
806 spi_controller_deregister_global_keygrabs (controller, key_listener);
808 spi_re_entrant_list_foreach (&controller->key_listeners,
809 remove_key_listener_cb, &ctx);
811 spi_dec_key_listener_free (key_listener, ev);
815 * CORBA Accessibility::DEController::registerKeystrokeListener
816 * method implementation
819 impl_generate_keyboard_event (PortableServer_Servant servant,
820 const CORBA_long keycode,
821 const CORBA_char *keystring,
822 const Accessibility_KeySynthType synth_type,
823 CORBA_Environment *ev)
828 fprintf (stderr, "synthesizing keystroke %ld, type %d\n",
829 (long) keycode, (int) synth_type);
831 /* TODO: hide/wrap/remove X dependency */
833 /* TODO: be accessX-savvy so that keyrelease occurs after sufficient timeout */
836 * TODO: when initializing, query for XTest extension before using,
837 * and fall back to XSendEvent() if XTest is not available.
840 /* TODO: implement keystring mode also */
841 gdk_error_trap_push ();
845 case Accessibility_KEY_PRESS:
846 XTestFakeKeyEvent (spi_get_display (), (unsigned int) keycode, True, CurrentTime);
848 case Accessibility_KEY_PRESSRELEASE:
849 XTestFakeKeyEvent (spi_get_display (), (unsigned int) keycode, True, CurrentTime);
850 case Accessibility_KEY_RELEASE:
851 XTestFakeKeyEvent (spi_get_display (), (unsigned int) keycode, False, CurrentTime);
853 case Accessibility_KEY_SYM:
854 key_synth_code = keycode_for_keysym (keycode);
855 XTestFakeKeyEvent (spi_get_display (), (unsigned int) key_synth_code, True, CurrentTime);
856 XTestFakeKeyEvent (spi_get_display (), (unsigned int) key_synth_code, False, CurrentTime);
858 case Accessibility_KEY_STRING:
859 fprintf (stderr, "Not yet implemented\n");
862 if (gdk_error_trap_pop ())
864 g_warning ("Error emitting keystroke");
868 /* Accessibility::DEController::generateMouseEvent */
870 impl_generate_mouse_event (PortableServer_Servant servant,
873 const CORBA_char *eventName,
874 CORBA_Environment *ev)
877 gboolean error = FALSE;
878 Display *display = spi_get_display ();
880 fprintf (stderr, "generating mouse %s event at %ld, %ld\n",
881 eventName, (long int) x, (long int) y);
883 g_message ("mouse event synthesis\n");
884 switch (eventName[0])
887 switch (eventName[1])
889 /* TODO: check number of buttons before parsing */
904 if (x != -1 && y != -1)
906 XTestFakeMotionEvent (display, DefaultScreen (display),
909 XTestFakeButtonEvent (display, button, !(eventName[2] == 'r'), 0);
910 if (eventName[2] == 'c')
911 XTestFakeButtonEvent (display, button, FALSE, 1);
912 else if (eventName[2] == 'd')
914 XTestFakeButtonEvent (display, button, FALSE, 1);
915 XTestFakeButtonEvent (display, button, TRUE, 2);
916 XTestFakeButtonEvent (display, button, FALSE, 3);
920 case 'r': /* relative motion */
921 XTestFakeRelativeMotionEvent (display, x, y, 0);
923 case 'a': /* absolute motion */
924 XTestFakeMotionEvent (display, DefaultScreen (display),
930 /* Accessibility::DEController::notifyListenersSync */
932 impl_notify_listeners_sync (PortableServer_Servant servant,
933 const Accessibility_DeviceEvent *event,
934 CORBA_Environment *ev)
936 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
937 bonobo_object_from_servant (servant));
939 g_print ("notifylistening listeners synchronously: controller %p, event id %d\n",
940 controller, (int) event->id);
942 return spi_notify_keylisteners (&controller->key_listeners, event, CORBA_FALSE, ev) ?
943 CORBA_TRUE : CORBA_FALSE;
946 /* Accessibility::DEController::notifyListenersAsync */
948 impl_notify_listeners_async (PortableServer_Servant servant,
949 const Accessibility_DeviceEvent *event,
950 CORBA_Environment *ev)
952 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
953 bonobo_object_from_servant (servant));
955 fprintf (stderr, "notifying listeners asynchronously\n");
957 spi_notify_keylisteners (&controller->key_listeners, event, CORBA_FALSE, ev);
961 spi_device_event_controller_class_init (SpiDEControllerClass *klass)
963 GObjectClass * object_class = (GObjectClass *) klass;
964 POA_Accessibility_DeviceEventController__epv *epv = &klass->epv;
966 spi_device_event_controller_parent_class = g_type_class_peek_parent (klass);
968 object_class->finalize = spi_device_event_controller_object_finalize;
970 epv->registerKeystrokeListener = impl_register_keystroke_listener;
971 epv->deregisterKeystrokeListener = impl_deregister_keystroke_listener;
972 epv->generateKeyboardEvent = impl_generate_keyboard_event;
973 epv->generateMouseEvent = impl_generate_mouse_event;
974 epv->notifyListenersSync = impl_notify_listeners_sync;
975 epv->notifyListenersAsync = impl_notify_listeners_async;
979 spi_device_event_controller_init (SpiDEController *device_event_controller)
981 device_event_controller->key_listeners = NULL;
982 device_event_controller->mouse_listeners = NULL;
983 device_event_controller->keygrabs_list = NULL;
986 * TODO: fixme, this module makes the foolish assumptions that
987 * registryd uses the same display as the apps, and that the
988 * DISPLAY environment variable is set.
990 gdk_init (NULL, NULL);
992 spi_controller_register_with_devices (device_event_controller);
996 spi_device_event_controller_forward_key_event (SpiDEController *controller,
999 gboolean is_consumed = FALSE;
1000 CORBA_Environment ev;
1001 Accessibility_DeviceEvent key_event;
1003 g_assert (event->type == KeyPress || event->type == KeyRelease);
1005 CORBA_exception_init (&ev);
1007 key_event = spi_keystroke_from_x_key_event ((XKeyEvent *) event);
1009 spi_controller_update_key_grabs (controller, &key_event);
1011 /* relay to listeners, and decide whether to consume it or not */
1012 is_consumed = spi_notify_keylisteners (
1013 &controller->key_listeners, &key_event, CORBA_TRUE, &ev);
1015 CORBA_exception_free (&ev);
1019 XAllowEvents (spi_get_display (), AsyncKeyboard, CurrentTime);
1023 XAllowEvents (spi_get_display (), ReplayKeyboard, CurrentTime);
1028 spi_device_event_controller_new (SpiRegistry *registry)
1030 SpiDEController *retval = g_object_new (
1031 SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL);
1033 retval->registry = SPI_REGISTRY (bonobo_object_ref (
1034 BONOBO_OBJECT (registry)));
1039 BONOBO_TYPE_FUNC_FULL (SpiDEController,
1040 Accessibility_DeviceEventController,
1042 spi_device_event_controller);