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 #undef 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 gboolean 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;
243 fprintf (stderr, "AnyKey grab!"); */
245 process_cb (controller, &grab_mask);
251 for (i = 0; i < key_listener->keys->_length; ++i)
253 Accessibility_KeyDefinition keydef = key_listener->keys->_buffer[i];
254 long int key_val = keydef.keysym;
255 /* X Grabs require keycodes, not keysyms */
256 if (keydef.keystring && keydef.keystring[0])
258 key_val = XStringToKeysym(keydef.keystring);
262 key_val = XKeysymToKeycode (spi_get_display (), (KeySym) key_val);
266 key_val = keydef.keycode;
268 grab_mask.key_val = key_val;
269 process_cb (controller, &grab_mask);
275 spi_controller_register_global_keygrabs (SpiDEController *controller,
276 DEControllerKeyListener *key_listener)
278 handle_keygrab (controller, key_listener, _register_keygrab);
279 return spi_controller_update_key_grabs (controller, NULL);
283 spi_controller_deregister_global_keygrabs (SpiDEController *controller,
284 DEControllerKeyListener *key_listener)
286 handle_keygrab (controller, key_listener, _deregister_keygrab);
287 spi_controller_update_key_grabs (controller, NULL);
291 spi_controller_register_device_listener (SpiDEController *controller,
292 DEControllerListener *listener,
293 CORBA_Environment *ev)
295 DEControllerKeyListener *key_listener;
297 switch (listener->type) {
298 case SPI_DEVICE_TYPE_KBD:
299 key_listener = (DEControllerKeyListener *) listener;
301 controller->key_listeners = g_list_prepend (controller->key_listeners,
303 if (key_listener->mode->global)
305 return spi_controller_register_global_keygrabs (controller, key_listener);
316 static GdkFilterReturn
317 global_filter_fn (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
319 XEvent *xevent = gdk_xevent;
320 SpiDEController *controller;
322 if (xevent->type != KeyPress && xevent->type != KeyRelease)
324 return GDK_FILTER_CONTINUE;
327 controller = SPI_DEVICE_EVENT_CONTROLLER (data);
329 spi_device_event_controller_forward_key_event (controller, xevent);
331 /* FIXME: is this right ? */
332 return GDK_FILTER_CONTINUE;
336 _spi_controller_device_error_handler (Display *display, XErrorEvent *error)
338 if (error->error_code == BadAccess)
340 g_message ("Could not complete key grab: grab already in use.\n");
345 return (*x_default_error_handler) (display, error);
350 spi_controller_register_with_devices (SpiDEController *controller)
352 /* calls to device-specific implementations and routines go here */
353 /* register with: keyboard hardware code handler */
354 /* register with: (translated) keystroke handler */
356 gdk_window_add_filter (NULL, global_filter_fn, controller);
358 gdk_window_set_events (gdk_get_default_root_window (),
359 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK);
361 x_default_error_handler = XSetErrorHandler (_spi_controller_device_error_handler);
364 #define SPI_KEYEVENT_DEBUG
366 spi_key_set_contains_key (Accessibility_KeySet *key_set,
367 const Accessibility_DeviceEvent *key_event)
374 g_print ("null key set!");
378 len = key_set->_length;
380 if (len == 0) /* special case, means "all keys/any key" */
382 g_print ("anykey\n");
386 for (i = 0; i < len; ++i)
388 #ifdef SPI_KEYEVENT_DEBUG
389 g_print ("key_set[%d] = %d; key_event %d, code %d, string %s\n",
390 i, (int) key_set->_buffer[i].keycode,
391 (int) key_event->id, (int) key_event->hw_code,
392 key_event->event_string);
394 if (key_set->_buffer[i].keysym == (CORBA_long) key_event->id)
398 if (key_set->_buffer[i].keycode == (CORBA_long) key_event->hw_code)
402 if (key_event->event_string && key_event->event_string[0] &&
403 !strcmp (key_set->_buffer[i].keystring, key_event->event_string))
413 spi_key_eventtype_seq_contains_event (Accessibility_KeyEventTypeSeq *type_seq,
414 const Accessibility_DeviceEvent *key_event)
422 g_print ("null type seq!");
426 len = type_seq->_length;
428 if (len == 0) /* special case, means "all events/any event" */
433 for (i = 0; i < len; ++i)
436 g_print ("type_seq[%d] = %d; key event type = %d\n", i,
437 (int) type_seq->_buffer[i], (int) key_event->type);
439 if (type_seq->_buffer[i] == (CORBA_long) key_event->type)
449 spi_key_event_matches_listener (const Accessibility_DeviceEvent *key_event,
450 DEControllerKeyListener *listener,
451 CORBA_boolean is_system_global)
453 if ((key_event->modifiers == (CORBA_unsigned_short) (listener->mask & 0xFFFF)) &&
454 spi_key_set_contains_key (listener->keys, key_event) &&
455 spi_key_eventtype_seq_contains_event (listener->typeseq, key_event) &&
456 (is_system_global == listener->mode->global))
467 spi_notify_keylisteners (GList **key_listeners,
468 const Accessibility_DeviceEvent *key_event,
469 CORBA_boolean is_system_global,
470 CORBA_Environment *ev)
473 GSList *notify = NULL, *l2;
474 gboolean is_consumed;
481 for (l = *key_listeners; l; l = l->next)
483 DEControllerKeyListener *key_listener = l->data;
485 if (spi_key_event_matches_listener (key_event, key_listener, is_system_global))
487 Accessibility_DeviceEventListener ls = key_listener->listener.object;
489 if (ls != CORBA_OBJECT_NIL)
491 notify = g_slist_prepend (notify, CORBA_Object_duplicate (ls, ev));
496 #ifdef SPI_KEYEVENT_DEBUG
499 g_print ("no match for event\n");
504 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
506 Accessibility_DeviceEventListener ls = l2->data;
508 is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, key_event, ev);
513 CORBA_exception_free (ev);
516 CORBA_Object_release (ls, ev);
519 for (; l2; l2 = l2->next)
521 CORBA_Object_release (l2->data, ev);
524 g_slist_free (notify);
527 if (is_consumed) g_message ("consumed\n");
532 static Accessibility_DeviceEvent
533 spi_keystroke_from_x_key_event (XKeyEvent *x_key_event)
535 Accessibility_DeviceEvent key_event;
537 const int cbuf_bytes = 20;
538 char cbuf [cbuf_bytes];
540 keysym = XLookupKeysym (x_key_event, 0);
541 key_event.id = (CORBA_long)(keysym);
542 key_event.hw_code = (CORBA_short) x_key_event->keycode;
543 if (((XEvent *) x_key_event)->type == KeyPress)
545 key_event.type = Accessibility_KEY_PRESSED;
549 key_event.type = Accessibility_KEY_RELEASED;
551 key_event.modifiers = (CORBA_unsigned_short)(x_key_event->state);
552 key_event.is_text = CORBA_FALSE;
556 key_event.event_string = CORBA_string_dup ("space");
559 #ifdef SPI_KEYEVENT_DEBUG
560 fprintf(stderr, "Tab\n");
562 key_event.event_string = CORBA_string_dup ("Tab");
565 key_event.event_string = CORBA_string_dup ("Backspace");
568 key_event.event_string = CORBA_string_dup ("Return");
571 key_event.event_string = CORBA_string_dup ("Home");
574 key_event.event_string = CORBA_string_dup ("Page_Down");
577 key_event.event_string = CORBA_string_dup ("Page_Up");
580 key_event.event_string = CORBA_string_dup ("F1");
583 key_event.event_string = CORBA_string_dup ("F2");
586 key_event.event_string = CORBA_string_dup ("F3");
589 key_event.event_string = CORBA_string_dup ("F4");
592 key_event.event_string = CORBA_string_dup ("F5");
595 key_event.event_string = CORBA_string_dup ("F6");
598 key_event.event_string = CORBA_string_dup ("F7");
601 key_event.event_string = CORBA_string_dup ("F8");
604 key_event.event_string = CORBA_string_dup ("F9");
607 key_event.event_string = CORBA_string_dup ("F10");
610 key_event.event_string = CORBA_string_dup ("F11");
613 key_event.event_string = CORBA_string_dup ("F12");
616 key_event.event_string = CORBA_string_dup ("End");
619 key_event.event_string = CORBA_string_dup ("Escape");
622 key_event.event_string = CORBA_string_dup ("Up");
625 key_event.event_string = CORBA_string_dup ("Down");
628 key_event.event_string = CORBA_string_dup ("Left");
631 key_event.event_string = CORBA_string_dup ("Right");
634 if (XLookupString (x_key_event, cbuf, cbuf_bytes, &keysym, NULL) > 0)
636 key_event.event_string = CORBA_string_dup (cbuf);
637 if (isgraph (keysym))
639 key_event.is_text = CORBA_TRUE; /* FIXME: incorrect for some composed chars? */
644 key_event.event_string = CORBA_string_dup ("");
648 key_event.timestamp = (CORBA_unsigned_long) x_key_event->time;
649 #ifdef SPI_KEYEVENT_DEBUG
651 "Key %lu pressed (%c), modifiers %d\n",
652 (unsigned long) keysym,
653 keysym ? (int) keysym : '*',
654 (int) x_key_event->state);
657 fprintf (stderr, "%s%c",
658 (x_key_event->state & Mod1Mask)?"Alt-":"",
659 ((x_key_event->state & ShiftMask)^(x_key_event->state & LockMask))?
660 g_ascii_toupper (keysym) : g_ascii_tolower (keysym));
661 #endif /* SPI_DEBUG */
666 spi_controller_update_key_grabs (SpiDEController *controller,
667 Accessibility_DeviceEvent *recv)
671 g_return_val_if_fail (controller != NULL, FALSE);
674 * masks known to work with default RH 7.1+:
675 * 0 (no mods), LockMask, Mod1Mask, Mod2Mask, ShiftMask,
676 * ShiftMask|LockMask, Mod1Mask|LockMask, Mod2Mask|LockMask,
677 * ShiftMask|Mod1Mask, ShiftMask|Mod2Mask, Mod1Mask|Mod2Mask,
678 * ShiftMask|LockMask|Mod1Mask, ShiftMask|LockMask|Mod2Mask,
680 * ControlMask grabs are broken, must be in use already
682 for (l = controller->keygrabs_list; l; l = next)
685 gboolean re_issue_grab;
686 DEControllerGrabMask *grab_mask = l->data;
690 re_issue_grab = recv &&
691 /* (recv->type == Accessibility_KEY_RELEASED) && - (?) */
692 (recv->modifiers & grab_mask->mod_mask) &&
693 (grab_mask->key_val == keycode_for_keysym (recv->id));
696 fprintf (stderr, "mask=%lx %lx (%c%c) %s\n",
697 (long int) grab_mask->key_val,
698 (long int) grab_mask->mod_mask,
699 grab_mask->pending_add ? '+' : '.',
700 grab_mask->pending_remove ? '-' : '.',
701 re_issue_grab ? "re-issue": "");
706 if (grab_mask->pending_add && grab_mask->pending_remove)
710 else if (grab_mask->pending_remove)
713 fprintf (stderr, "ungrabbing, mask=%x\n", grab_mask->mod_mask);
715 XUngrabKey (spi_get_display (),
718 gdk_x11_get_default_root_xwindow ());
722 else if (grab_mask->pending_add || re_issue_grab)
726 fprintf (stderr, "grab with mask %x\n", grab_mask->mod_mask);
728 XGrabKey (spi_get_display (),
731 gdk_x11_get_default_root_xwindow (),
737 grab_mask->pending_add = FALSE;
738 grab_mask->pending_remove = FALSE;
742 g_assert (grab_mask->ref_count <= 0);
744 controller->keygrabs_list = g_list_delete_link (
745 controller->keygrabs_list, l);
747 spi_grab_mask_free (grab_mask);
750 /* TODO: check calls for errors and return FALSE if error occurs */
757 * Implemented GObject::finalize
760 spi_device_event_controller_object_finalize (GObject *object)
762 SpiDEController *controller;
764 controller = SPI_DEVICE_EVENT_CONTROLLER (object);
767 fprintf(stderr, "spi_device_event_controller_object_finalize called\n");
769 /* disconnect any special listeners, get rid of outstanding keygrabs */
770 XUngrabKey (spi_get_display (), AnyKey, AnyModifier, DefaultRootWindow (spi_get_display ()));
772 spi_device_event_controller_parent_class->finalize (object);
776 * CORBA Accessibility::DEController::registerKeystrokeListener
777 * method implementation
780 impl_register_keystroke_listener (PortableServer_Servant servant,
781 const Accessibility_DeviceEventListener l,
782 const Accessibility_KeySet *keys,
783 const Accessibility_ControllerEventMask mask,
784 const Accessibility_KeyEventTypeSeq *type,
785 const Accessibility_EventListenerMode *mode,
786 CORBA_Environment *ev)
788 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
789 bonobo_object_from_servant (servant));
790 DEControllerKeyListener *dec_listener;
792 fprintf (stderr, "registering keystroke listener %p with maskVal %lu\n",
793 (void *) l, (unsigned long) mask);
795 dec_listener = spi_dec_key_listener_new (l, keys, mask, type, mode, ev);
796 return spi_controller_register_device_listener (
797 controller, (DEControllerListener *) dec_listener, ev);
802 CORBA_Environment *ev;
803 DEControllerKeyListener *key_listener;
804 } RemoveKeyListenerClosure;
806 static SpiReEntrantContinue
807 remove_key_listener_cb (GList * const *list,
810 DEControllerKeyListener *key_listener = (*list)->data;
811 RemoveKeyListenerClosure *ctx = user_data;
813 if (CORBA_Object_is_equivalent (ctx->key_listener->listener.object,
814 key_listener->listener.object, ctx->ev))
816 spi_re_entrant_list_delete_link (list);
817 spi_dec_key_listener_free (key_listener, ctx->ev);
820 return SPI_RE_ENTRANT_CONTINUE;
823 static SpiReEntrantContinue
824 copy_key_listener_cb (GList * const *list,
827 DEControllerKeyListener *key_listener = (*list)->data;
828 RemoveKeyListenerClosure *ctx = user_data;
830 if (CORBA_Object_is_equivalent (ctx->key_listener->listener.object,
831 key_listener->listener.object, ctx->ev))
833 /* TODO: FIXME aggregate keys in case the listener is registered twice */
834 CORBA_free (ctx->key_listener->keys);
835 ctx->key_listener->keys = ORBit_copy_value (key_listener->keys, TC_Accessibility_KeySet);
838 return SPI_RE_ENTRANT_CONTINUE;
842 * CORBA Accessibility::DEController::deregisterKeystrokeListener
843 * method implementation
846 impl_deregister_keystroke_listener (PortableServer_Servant servant,
847 const Accessibility_DeviceEventListener l,
848 const Accessibility_KeySet *keys,
849 const Accessibility_ControllerEventMask mask,
850 const Accessibility_KeyEventTypeSeq *type,
851 CORBA_Environment *ev)
853 DEControllerKeyListener *key_listener;
854 RemoveKeyListenerClosure ctx;
855 SpiDEController *controller;
857 controller = SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
859 key_listener = spi_dec_key_listener_new (l, keys, mask, type, NULL, ev);
861 #ifdef SPI_DEREGISTER_DEBUG
862 fprintf (stderr, "deregistering keystroke listener %p with maskVal %lu\n",
863 (void *) l, (unsigned long) mask->value);
867 ctx.key_listener = key_listener;
869 /* special case, copy keyset from existing controller list entry */
870 if (keys->_length == 0)
872 spi_re_entrant_list_foreach (&controller->key_listeners,
873 copy_key_listener_cb, &ctx);
876 spi_controller_deregister_global_keygrabs (controller, key_listener);
878 spi_re_entrant_list_foreach (&controller->key_listeners,
879 remove_key_listener_cb, &ctx);
881 spi_dec_key_listener_free (key_listener, ev);
885 * CORBA Accessibility::DEController::registerKeystrokeListener
886 * method implementation
889 impl_generate_keyboard_event (PortableServer_Servant servant,
890 const CORBA_long keycode,
891 const CORBA_char *keystring,
892 const Accessibility_KeySynthType synth_type,
893 CORBA_Environment *ev)
898 fprintf (stderr, "synthesizing keystroke %ld, type %d\n",
899 (long) keycode, (int) synth_type);
901 /* TODO: hide/wrap/remove X dependency */
903 /* TODO: be accessX-savvy so that keyrelease occurs after sufficient timeout */
906 * TODO: when initializing, query for XTest extension before using,
907 * and fall back to XSendEvent() if XTest is not available.
910 /* TODO: implement keystring mode also */
911 gdk_error_trap_push ();
915 case Accessibility_KEY_PRESS:
916 XTestFakeKeyEvent (spi_get_display (), (unsigned int) keycode, True, CurrentTime);
918 case Accessibility_KEY_PRESSRELEASE:
919 XTestFakeKeyEvent (spi_get_display (), (unsigned int) keycode, True, CurrentTime);
920 case Accessibility_KEY_RELEASE:
921 XTestFakeKeyEvent (spi_get_display (), (unsigned int) keycode, False, CurrentTime);
923 case Accessibility_KEY_SYM:
924 key_synth_code = keycode_for_keysym (keycode);
925 XTestFakeKeyEvent (spi_get_display (), (unsigned int) key_synth_code, True, CurrentTime);
926 XTestFakeKeyEvent (spi_get_display (), (unsigned int) key_synth_code, False, CurrentTime);
928 case Accessibility_KEY_STRING:
929 fprintf (stderr, "Not yet implemented\n");
932 if (gdk_error_trap_pop ())
934 g_warning ("Error emitting keystroke");
938 /* Accessibility::DEController::generateMouseEvent */
940 impl_generate_mouse_event (PortableServer_Servant servant,
943 const CORBA_char *eventName,
944 CORBA_Environment *ev)
947 gboolean error = FALSE;
948 Display *display = spi_get_display ();
950 fprintf (stderr, "generating mouse %s event at %ld, %ld\n",
951 eventName, (long int) x, (long int) y);
953 g_message ("mouse event synthesis\n");
954 switch (eventName[0])
957 switch (eventName[1])
959 /* TODO: check number of buttons before parsing */
974 if (x != -1 && y != -1)
976 XTestFakeMotionEvent (display, DefaultScreen (display),
979 XTestFakeButtonEvent (display, button, !(eventName[2] == 'r'), 0);
980 if (eventName[2] == 'c')
981 XTestFakeButtonEvent (display, button, FALSE, 1);
982 else if (eventName[2] == 'd')
984 XTestFakeButtonEvent (display, button, FALSE, 1);
985 XTestFakeButtonEvent (display, button, TRUE, 2);
986 XTestFakeButtonEvent (display, button, FALSE, 3);
990 case 'r': /* relative motion */
991 XTestFakeRelativeMotionEvent (display, x, y, 0);
993 case 'a': /* absolute motion */
994 XTestFakeMotionEvent (display, DefaultScreen (display),
1000 /* Accessibility::DEController::notifyListenersSync */
1001 static CORBA_boolean
1002 impl_notify_listeners_sync (PortableServer_Servant servant,
1003 const Accessibility_DeviceEvent *event,
1004 CORBA_Environment *ev)
1006 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1007 bonobo_object_from_servant (servant));
1009 g_print ("notifylistening listeners synchronously: controller %p, event id %d\n",
1010 controller, (int) event->id);
1012 return spi_notify_keylisteners (&controller->key_listeners, event, CORBA_FALSE, ev) ?
1013 CORBA_TRUE : CORBA_FALSE;
1016 /* Accessibility::DEController::notifyListenersAsync */
1018 impl_notify_listeners_async (PortableServer_Servant servant,
1019 const Accessibility_DeviceEvent *event,
1020 CORBA_Environment *ev)
1022 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1023 bonobo_object_from_servant (servant));
1025 fprintf (stderr, "notifying listeners asynchronously\n");
1027 spi_notify_keylisteners (&controller->key_listeners, event, CORBA_FALSE, ev);
1031 spi_device_event_controller_class_init (SpiDEControllerClass *klass)
1033 GObjectClass * object_class = (GObjectClass *) klass;
1034 POA_Accessibility_DeviceEventController__epv *epv = &klass->epv;
1036 spi_device_event_controller_parent_class = g_type_class_peek_parent (klass);
1038 object_class->finalize = spi_device_event_controller_object_finalize;
1040 epv->registerKeystrokeListener = impl_register_keystroke_listener;
1041 epv->deregisterKeystrokeListener = impl_deregister_keystroke_listener;
1042 epv->generateKeyboardEvent = impl_generate_keyboard_event;
1043 epv->generateMouseEvent = impl_generate_mouse_event;
1044 epv->notifyListenersSync = impl_notify_listeners_sync;
1045 epv->notifyListenersAsync = impl_notify_listeners_async;
1049 spi_device_event_controller_init (SpiDEController *device_event_controller)
1051 device_event_controller->key_listeners = NULL;
1052 device_event_controller->mouse_listeners = NULL;
1053 device_event_controller->keygrabs_list = NULL;
1056 * TODO: fixme, this module makes the foolish assumptions that
1057 * registryd uses the same display as the apps, and that the
1058 * DISPLAY environment variable is set.
1060 gdk_init (NULL, NULL);
1062 spi_controller_register_with_devices (device_event_controller);
1066 spi_device_event_controller_forward_key_event (SpiDEController *controller,
1067 const XEvent *event)
1069 gboolean is_consumed = FALSE;
1070 CORBA_Environment ev;
1071 Accessibility_DeviceEvent key_event;
1073 g_assert (event->type == KeyPress || event->type == KeyRelease);
1075 CORBA_exception_init (&ev);
1077 key_event = spi_keystroke_from_x_key_event ((XKeyEvent *) event);
1079 spi_controller_update_key_grabs (controller, &key_event);
1081 /* relay to listeners, and decide whether to consume it or not */
1082 is_consumed = spi_notify_keylisteners (
1083 &controller->key_listeners, &key_event, CORBA_TRUE, &ev);
1085 CORBA_exception_free (&ev);
1089 XAllowEvents (spi_get_display (), AsyncKeyboard, CurrentTime);
1093 XAllowEvents (spi_get_display (), ReplayKeyboard, CurrentTime);
1098 spi_device_event_controller_new (SpiRegistry *registry)
1100 SpiDEController *retval = g_object_new (
1101 SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL);
1103 retval->registry = SPI_REGISTRY (bonobo_object_ref (
1104 BONOBO_OBJECT (registry)));
1109 BONOBO_TYPE_FUNC_FULL (SpiDEController,
1110 Accessibility_DeviceEventController,
1112 spi_device_event_controller);