1 /* AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001, 2003 Sun Microsystems Inc.,
6 * Copyright 2001, 2002 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.
24 /* deviceeventcontroller.c: implement the DeviceEventController interface */
30 #undef SPI_KEYEVENT_DEBUG
39 #include <dbus/dbus.h>
44 #include "de-marshaller.h"
46 #include "event-source.h"
48 #include "deviceeventcontroller.h"
49 #include "reentrant-list.h"
51 #include "introspection.h"
53 #define CHECK_RELEASE_DELAY 20
54 #define BIT(c, x) (c[x/8]&(1<<(x%8)))
55 static SpiDEController *saved_controller;
57 /* Our parent Gtk object type */
58 #define PARENT_TYPE G_TYPE_OBJECT
60 /* A pointer to our parent object class */
61 static int spi_error_code = 0;
66 typedef struct _SpiPoint SpiPoint;
67 static unsigned int mouse_mask_state = 0;
68 static unsigned int key_modifier_mask =
69 Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask | ShiftMask | LockMask | ControlMask | SPI_KEYMASK_NUMLOCK;
70 static unsigned int _numlock_physical_mask = Mod2Mask; /* a guess, will be reset */
72 static gboolean have_mouse_listener = FALSE;
73 static gboolean have_mouse_event_listener = FALSE;
78 guint pending_add : 1;
79 guint pending_remove : 1;
81 Accessibility_ControllerEventMask mod_mask;
82 dbus_uint32_t key_val; /* KeyCode */
83 } DEControllerGrabMask;
86 gboolean spi_controller_update_key_grabs (SpiDEController *controller,
87 Accessibility_DeviceEvent *recv);
89 static gboolean eventtype_seq_contains_event (dbus_uint32_t types,
90 const Accessibility_DeviceEvent *event);
91 static gboolean spi_dec_poll_mouse_moving (gpointer data);
92 static gboolean spi_dec_poll_mouse_idle (gpointer data);
94 G_DEFINE_TYPE(SpiDEController, spi_device_event_controller, G_TYPE_OBJECT)
97 spi_dec_plat_get_keycode (SpiDEController *controller,
103 SpiDEControllerClass *klass;
104 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
105 if (klass->plat.get_keycode)
106 return klass->plat.get_keycode (controller, keysym, key_str, fix, modmask);
112 spi_dec_plat_mouse_check (SpiDEController *controller,
113 int *x, int *y, gboolean *moved)
115 SpiDEControllerClass *klass;
116 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
117 if (klass->plat.mouse_check)
118 return klass->plat.mouse_check (controller, x, y, moved);
124 spi_dec_plat_grab_key (SpiDEController *controller, guint key_val, Accessibility_ControllerEventMask mod_mask)
126 SpiDEControllerClass *klass;
127 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
128 if (klass->plat.grab_key)
129 return klass->plat.grab_key (controller, key_val, mod_mask);
135 spi_dec_plat_ungrab_key (SpiDEController *controller, guint key_val, Accessibility_ControllerEventMask mod_mask)
137 SpiDEControllerClass *klass;
138 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
139 if (klass->plat.ungrab_key)
140 klass->plat.ungrab_key (controller, key_val, mod_mask);
144 spi_dec_plat_synth_keycode_press (SpiDEController *controller,
145 unsigned int keycode)
147 SpiDEControllerClass *klass;
148 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
149 if (klass->plat.synth_keycode_press)
150 return klass->plat.synth_keycode_press (controller, keycode);
156 spi_dec_plat_synth_keycode_release (SpiDEController *controller,
157 unsigned int keycode)
159 SpiDEControllerClass *klass;
160 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
161 if (klass->plat.synth_keycode_release)
162 return klass->plat.synth_keycode_release (controller, keycode);
168 spi_dec_plat_lock_modifiers (SpiDEController *controller, unsigned modifiers)
170 SpiDEControllerClass *klass;
171 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
172 if (klass->plat.lock_modifiers)
173 return klass->plat.lock_modifiers (controller, modifiers);
179 spi_dec_plat_unlock_modifiers (SpiDEController *controller, unsigned modifiers)
181 SpiDEControllerClass *klass;
182 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
183 if (klass->plat.unlock_modifiers)
184 return klass->plat.unlock_modifiers (controller, modifiers);
190 spi_dec_plat_synth_keystring (SpiDEController *controller, guint synth_type, gint keycode, const char *keystring)
192 SpiDEControllerClass *klass;
193 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
194 if (klass->plat.synth_keystring)
195 return klass->plat.synth_keystring (controller, synth_type, keycode, keystring);
201 spi_dec_plat_emit_modifier_event (SpiDEController *controller, guint prev_mask,
204 SpiDEControllerClass *klass;
205 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
206 if (klass->plat.emit_modifier_event)
207 return klass->plat.emit_modifier_event (controller, prev_mask, current_mask);
211 spi_dec_plat_generate_mouse_event (SpiDEController *controller,
214 const char *eventName)
216 SpiDEControllerClass *klass;
217 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
218 if (klass->plat.generate_mouse_event)
219 return klass->plat.generate_mouse_event (controller, x, y, eventName);
223 invalid_arguments_error (DBusMessage *message)
228 errmsg= g_strdup_printf (
229 "Method \"%s\" with signature \"%s\" on interface \"%s\" was supplied with invalid arguments\n",
230 dbus_message_get_member (message),
231 dbus_message_get_signature (message),
232 dbus_message_get_interface (message));
233 reply = dbus_message_new_error (message,
234 DBUS_ERROR_INVALID_ARGS,
240 /* Private methods */
242 spi_dbus_add_disconnect_match (DBusConnection *bus, const char *name)
244 char *match = g_strdup_printf ("interface=%s,member=NameOwnerChanged,arg0=%s", DBUS_INTERFACE_DBUS, name);
248 dbus_error_init (&error);
249 dbus_bus_add_match (bus, match, &error);
251 if (dbus_error_is_set (&error))
253 dbus_error_free (&error);
265 spi_dbus_remove_disconnect_match (DBusConnection *bus, const char *name)
267 char *match = g_strdup_printf ("interface=%s,member=NameOwnerChanged,arg0=%s", DBUS_INTERFACE_DBUS, name);
271 dbus_error_init (&error);
272 dbus_bus_remove_match (bus, match, &error);
274 if (dbus_error_is_set (&error))
276 dbus_error_free (&error);
287 static DEControllerGrabMask *
288 spi_grab_mask_clone (DEControllerGrabMask *grab_mask)
290 DEControllerGrabMask *clone = g_new (DEControllerGrabMask, 1);
292 memcpy (clone, grab_mask, sizeof (DEControllerGrabMask));
294 clone->ref_count = 1;
295 clone->pending_add = TRUE;
296 clone->pending_remove = FALSE;
302 spi_grab_mask_free (DEControllerGrabMask *grab_mask)
308 spi_grab_mask_compare_values (gconstpointer p1, gconstpointer p2)
310 DEControllerGrabMask *l1 = (DEControllerGrabMask *) p1;
311 DEControllerGrabMask *l2 = (DEControllerGrabMask *) p2;
319 return ((l1->mod_mask != l2->mod_mask) || (l1->key_val != l2->key_val));
324 spi_dec_dbus_emit (SpiDEController *controller, const char *interface,
325 const char *name, const char *minor, int a1, int a2)
327 DBusMessage *signal = NULL;
328 DBusMessageIter iter, iter_struct, iter_variant;
330 const char *path = SPI_DBUS_PATH_ROOT;
331 const char *bus_name = dbus_bus_get_unique_name (controller->bus);
333 signal = dbus_message_new_signal (path, interface, name);
335 dbus_message_iter_init_append (signal, &iter);
337 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &minor);
338 dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &a1);
339 dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &a2);
340 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "i", &iter_variant);
341 dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, &nil);
342 dbus_message_iter_close_container (&iter, &iter_variant);
344 dbus_message_iter_open_container (&iter, DBUS_TYPE_STRUCT, NULL,
346 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &bus_name);
347 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH, &path);
348 dbus_message_iter_close_container (&iter, &iter_struct);
350 dbus_connection_send (controller->bus, signal, NULL);
351 dbus_message_unref (signal);
355 spi_dec_poll_mouse_moved (gpointer data)
357 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(data);
362 mask_return = spi_dec_plat_mouse_check (controller, &x, &y, &moved);
364 if ((mask_return & key_modifier_mask) !=
365 (mouse_mask_state & key_modifier_mask))
367 spi_dec_plat_emit_modifier_event (controller, mouse_mask_state, mask_return);
368 mouse_mask_state = mask_return;
375 spi_dec_poll_mouse_idle (gpointer data)
377 if (!have_mouse_event_listener && !have_mouse_listener)
379 else if (!spi_dec_poll_mouse_moved (data))
383 g_timeout_add (20, spi_dec_poll_mouse_moving, data);
389 spi_dec_poll_mouse_moving (gpointer data)
391 if (!have_mouse_event_listener && !have_mouse_listener)
393 else if (spi_dec_poll_mouse_moved (data))
397 g_timeout_add (100, spi_dec_poll_mouse_idle, data);
403 * Eventually we can use this to make the marshalling of mask types
404 * more sane, but for now we just use this to detect
405 * the use of 'virtual' masks such as numlock and convert them to
406 * system-specific mask values (i.e. ModMask).
409 static Accessibility_ControllerEventMask
410 spi_dec_translate_mask (Accessibility_ControllerEventMask mask)
412 Accessibility_ControllerEventMask tmp_mask;
413 gboolean has_numlock;
415 has_numlock = (mask & SPI_KEYMASK_NUMLOCK);
419 tmp_mask = mask ^ SPI_KEYMASK_NUMLOCK;
420 tmp_mask |= _numlock_physical_mask;
426 static DEControllerKeyListener *
427 spi_dec_key_listener_new (const char *bus_name,
430 const Accessibility_ControllerEventMask mask,
431 const dbus_uint32_t types,
432 const Accessibility_EventListenerMode *mode)
434 DEControllerKeyListener *key_listener = g_new0 (DEControllerKeyListener, 1);
435 key_listener->listener.bus_name = g_strdup(bus_name);
436 key_listener->listener.path = g_strdup(path);
437 key_listener->listener.type = SPI_DEVICE_TYPE_KBD;
438 key_listener->keys = keys;
439 key_listener->mask = spi_dec_translate_mask (mask);
440 key_listener->listener.types = types;
443 key_listener->mode = (Accessibility_EventListenerMode *) g_malloc(sizeof(Accessibility_EventListenerMode));
444 memcpy(key_listener->mode, mode, sizeof(*mode));
447 key_listener->mode = NULL;
450 g_print ("new listener, with mask %x, is_global %d, keys %p (%d)\n",
451 (unsigned int) key_listener->mask,
452 (int) (mode ? mode->global : 0),
453 (void *) key_listener->keys,
454 (int) (key_listener->keys ? g_slist_length(key_listener->keys) : 0));
460 static DEControllerListener *
461 spi_dec_listener_new (const char *bus_name,
465 DEControllerListener *listener = g_new0 (DEControllerListener, 1);
466 listener->bus_name = g_strdup(bus_name);
467 listener->path = g_strdup(path);
468 listener->type = SPI_DEVICE_TYPE_MOUSE;
469 listener->types = types;
473 static DEControllerListener *
474 spi_listener_clone (DEControllerListener *listener)
476 DEControllerListener *clone = g_new0 (DEControllerListener, 1);
477 clone->bus_name = g_strdup (listener->bus_name);
478 clone->path = g_strdup (listener->path);
479 clone->type = listener->type;
480 clone->types = listener->types;
484 static GSList *keylist_clone (GSList *s)
489 for (l = s; l; l = g_slist_next(l))
491 Accessibility_KeyDefinition *kd = (Accessibility_KeyDefinition *)g_malloc(sizeof(Accessibility_KeyDefinition));
494 Accessibility_KeyDefinition *kds = (Accessibility_KeyDefinition *)l->data;
495 kd->keycode = kds->keycode;
496 kd->keysym = kds->keysym;
497 kd->keystring = g_strdup(kds->keystring);
498 d = g_slist_append(d, kd);
504 static DEControllerKeyListener *
505 spi_key_listener_clone (DEControllerKeyListener *key_listener)
507 DEControllerKeyListener *clone = g_new0 (DEControllerKeyListener, 1);
508 clone->listener.bus_name = g_strdup (key_listener->listener.bus_name);
509 clone->listener.path = g_strdup (key_listener->listener.path);
510 clone->listener.type = SPI_DEVICE_TYPE_KBD;
511 clone->keys = keylist_clone (key_listener->keys);
512 clone->mask = key_listener->mask;
513 clone->listener.types = key_listener->listener.types;
514 if (key_listener->mode)
516 clone->mode = (Accessibility_EventListenerMode *)g_malloc(sizeof(Accessibility_EventListenerMode));
517 if (clone->mode) memcpy(clone->mode, key_listener->mode, sizeof(Accessibility_EventListenerMode));
524 static void keylist_free(GSList *keys)
528 for (l = keys; l; l = g_slist_next(l))
530 Accessibility_KeyDefinition *kd = (Accessibility_KeyDefinition *)l->data;
531 g_free(kd->keystring);
538 spi_key_listener_data_free (DEControllerKeyListener *key_listener)
540 keylist_free(key_listener->keys);
541 if (key_listener->mode) g_free(key_listener->mode);
542 g_free (key_listener->listener.bus_name);
543 g_free (key_listener->listener.path);
544 g_free (key_listener);
548 spi_key_listener_clone_free (DEControllerKeyListener *clone)
550 spi_key_listener_data_free (clone);
554 spi_listener_clone_free (DEControllerListener *clone)
556 g_free (clone->path);
557 g_free (clone->bus_name);
562 spi_dec_listener_free (DEControllerListener *listener)
564 if (listener->type == SPI_DEVICE_TYPE_KBD)
565 spi_key_listener_data_free ((DEControllerKeyListener *) listener);
568 g_free (listener->bus_name);
569 g_free (listener->path);
574 _register_keygrab (SpiDEController *controller,
575 DEControllerGrabMask *grab_mask)
579 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
580 spi_grab_mask_compare_values);
583 DEControllerGrabMask *cur_mask = l->data;
585 cur_mask->ref_count++;
586 if (cur_mask->pending_remove)
588 cur_mask->pending_remove = FALSE;
593 controller->keygrabs_list =
594 g_list_prepend (controller->keygrabs_list,
595 spi_grab_mask_clone (grab_mask));
600 _deregister_keygrab (SpiDEController *controller,
601 DEControllerGrabMask *grab_mask)
605 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
606 spi_grab_mask_compare_values);
610 DEControllerGrabMask *cur_mask = l->data;
612 cur_mask->ref_count--;
613 if (cur_mask->ref_count <= 0)
615 cur_mask->pending_remove = TRUE;
621 handle_keygrab (SpiDEController *controller,
622 DEControllerKeyListener *key_listener,
623 void (*process_cb) (SpiDEController *controller,
624 DEControllerGrabMask *grab_mask))
626 DEControllerGrabMask grab_mask = { 0 };
628 grab_mask.mod_mask = key_listener->mask;
629 if (g_slist_length (key_listener->keys) == 0) /* special case means AnyKey/AllKeys */
631 grab_mask.key_val = AnyKey;
633 fprintf (stderr, "AnyKey grab!");
635 process_cb (controller, &grab_mask);
641 for (l = key_listener->keys; l; l = g_slist_next(l))
643 Accessibility_KeyDefinition *keydef = l->data;
645 key_val = spi_dec_plat_get_keycode (controller, keydef->keysym, keydef->keystring, FALSE, NULL);
647 key_val = keydef->keycode;
648 grab_mask.key_val = key_val;
649 process_cb (controller, &grab_mask);
655 spi_controller_register_global_keygrabs (SpiDEController *controller,
656 DEControllerKeyListener *key_listener)
658 handle_keygrab (controller, key_listener, _register_keygrab);
659 return spi_controller_update_key_grabs (controller, NULL);
663 spi_controller_deregister_global_keygrabs (SpiDEController *controller,
664 DEControllerKeyListener *key_listener)
666 handle_keygrab (controller, key_listener, _deregister_keygrab);
667 spi_controller_update_key_grabs (controller, NULL);
671 append_keystroke_listener (DBusMessageIter *iter, DEControllerKeyListener *listener)
673 dbus_uint32_t d_uint;
674 DBusMessageIter iter_struct, iter_subarray, iter_substruct;
677 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL,
681 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING,
682 &listener->listener.bus_name);
683 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH,
684 &listener->listener.path);
685 d_uint = listener->listener.type;
686 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &d_uint);
687 d_uint = listener->listener.types;
688 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &d_uint);
689 if (!dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY,
690 "(iisi)", &iter_subarray))
692 dbus_message_iter_close_container (iter, &iter_struct);
695 for (kl = listener->keys; kl; kl = kl->next)
697 Accessibility_KeyDefinition *kd = kl->data;
698 if (!dbus_message_iter_open_container (&iter_subarray, DBUS_TYPE_STRUCT,
699 NULL, &iter_substruct))
701 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_INT32, &kd->keycode);
702 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_INT32, &kd->keysym);
703 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_STRING, &kd->keystring);
704 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_INT32, &kd->unused);
705 dbus_message_iter_close_container (&iter_subarray, &iter_substruct);
707 dbus_message_iter_close_container (&iter_struct, &iter_subarray);
708 d_uint = listener->mask;
709 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &d_uint);
710 if (dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_STRUCT,
711 NULL, &iter_substruct))
715 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
716 &listener->mode->synchronous);
717 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
718 &listener->mode->preemptive);
719 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
720 &listener->mode->global);
724 dbus_bool_t dummy_val = FALSE;
725 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
727 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
729 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
732 dbus_message_iter_close_container (&iter_struct, &iter_substruct);
734 dbus_message_iter_close_container (iter, &iter_struct);
738 notify_keystroke_listener (SpiDEController *controller,
739 DEControllerKeyListener *listener,
742 const char *path = SPI_DBUS_PATH_DEC;
743 const char *interface = SPI_DBUS_INTERFACE_DEVICE_EVENT_LISTENER;
744 const char *name = (enable
745 ? "KeystrokeListenerRegistered"
746 : "KeystrokeListenerDeregistered");
748 DBusMessageIter iter;
750 signal = dbus_message_new_signal (path, interface, name);
753 dbus_message_iter_init_append (signal, &iter);
754 append_keystroke_listener (&iter, listener);
755 dbus_connection_send (controller->bus, signal, NULL);
756 dbus_message_unref (signal);
760 append_mouse_listener (DBusMessageIter *iter, DEControllerListener *listener)
762 DBusMessageIter iter_struct;
763 dbus_uint32_t d_uint;
765 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL,
768 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING,
769 &listener->bus_name);
770 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH,
772 d_uint = listener->types;
773 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &d_uint);
774 dbus_message_iter_close_container (iter, &iter_struct);
778 notify_mouse_listener (SpiDEController *controller,
779 DEControllerListener *listener,
782 const char *path = SPI_DBUS_PATH_DEC;
783 const char *interface = SPI_DBUS_INTERFACE_DEVICE_EVENT_LISTENER;
784 const char *name = (enable
785 ? "DeviceListenerRegistered"
786 : "DeviceListenerDeregistered");
788 DBusMessageIter iter;
790 signal = dbus_message_new_signal (path, interface, name);
793 dbus_message_iter_init_append (signal, &iter);
794 append_mouse_listener (&iter, listener);
795 dbus_connection_send (controller->bus, signal, NULL);
796 dbus_message_unref (signal);
800 spi_controller_register_device_listener (SpiDEController *controller,
801 DEControllerListener *listener)
803 DEControllerKeyListener *key_listener;
806 switch (listener->type) {
807 case SPI_DEVICE_TYPE_KBD:
808 key_listener = (DEControllerKeyListener *) listener;
810 controller->key_listeners = g_list_prepend (controller->key_listeners,
812 spi_dbus_add_disconnect_match (controller->bus, key_listener->listener.bus_name);
813 if (key_listener->mode->global)
815 retval = spi_controller_register_global_keygrabs (controller, key_listener);
820 notify_keystroke_listener (controller, key_listener, TRUE);
822 case SPI_DEVICE_TYPE_MOUSE:
823 controller->mouse_listeners = g_list_prepend (controller->mouse_listeners, listener);
824 if (!have_mouse_listener)
826 have_mouse_listener = TRUE;
827 if (!have_mouse_event_listener)
828 g_timeout_add (100, spi_dec_poll_mouse_idle, controller);
830 spi_dbus_add_disconnect_match (controller->bus, listener->bus_name);
831 notify_mouse_listener (controller, listener, TRUE);
840 set_reply (DBusPendingCall *pending, void *user_data)
842 void **replyptr = (void **)user_data;
844 *replyptr = dbus_pending_call_steal_reply (pending);
847 static GSList *hung_processes = NULL;
850 reset_hung_process (DBusPendingCall *pending, void *data)
852 DBusMessage *message = data;
853 const char *dest = dbus_message_get_destination (message);
856 /* At this point we don't care about the result */
857 dbus_pending_call_unref (pending);
859 for (l = hung_processes; l; l = l->next)
861 if (!strcmp (l->data, dest))
864 hung_processes = g_slist_remove (hung_processes, l->data);
871 time_elapsed (struct timeval *origin)
875 gettimeofday (&tv, NULL);
876 return (tv.tv_sec - origin->tv_sec) * 1000 + (tv.tv_usec - origin->tv_usec) / 1000;
880 reset_hung_process_from_ping (DBusPendingCall *pending, void *data)
884 for (l = hung_processes; l; l = l->next)
886 if (!strcmp (l->data, data))
889 hung_processes = g_slist_remove (hung_processes, l->data);
894 dbus_pending_call_unref (pending);
898 send_and_allow_reentry (DBusConnection *bus, DBusMessage *message, int timeout, DBusError *error)
900 DBusPendingCall *pending;
901 DBusMessage *reply = NULL;
904 if (!dbus_connection_send_with_reply (bus, message, &pending, -1))
908 dbus_pending_call_set_notify (pending, set_reply, (void *)&reply, NULL);
909 gettimeofday (&tv, NULL);
912 if (!dbus_connection_read_write_dispatch (bus, timeout) ||
913 time_elapsed (&tv) > timeout)
915 const char *dest = dbus_message_get_destination (message);
918 dbus_message_ref (message);
919 dbus_pending_call_set_notify (pending, reset_hung_process, message,
920 (DBusFreeFunction) dbus_message_unref);
921 message = dbus_message_new_method_call (dest, "/",
922 "org.freedesktop.DBus.Peer",
926 dbus_connection_send_with_reply (bus, message, &pending, -1);
927 dbus_message_unref (message);
930 bus_name_dup = g_strdup (dest);
931 dbus_pending_call_set_notify (pending, reset_hung_process_from_ping,
933 for (l = hung_processes; l; l = l->next)
934 if (!strcmp (l->data, dest))
936 hung_processes = g_slist_prepend (hung_processes, g_strdup (dest));
940 dbus_pending_call_unref (pending);
944 Accessibility_DeviceEventListener_NotifyEvent(SpiDEController *controller,
945 SpiRegistry *registry,
946 DEControllerListener *listener,
947 const Accessibility_DeviceEvent *key_event)
949 DBusMessage *message = dbus_message_new_method_call(listener->bus_name,
951 SPI_DBUS_INTERFACE_DEVICE_EVENT_LISTENER,
953 dbus_bool_t consumed = FALSE;
955 gboolean hung = FALSE;
957 for (l = hung_processes; l; l = l->next)
959 if (!strcmp (l->data, listener->bus_name))
961 dbus_message_set_no_reply (message, TRUE);
967 if (spi_dbus_marshal_deviceEvent(message, key_event))
973 dbus_connection_send (controller->bus, message, NULL);
974 dbus_message_unref (message);
978 reply = send_and_allow_reentry (controller->bus, message, 3000, NULL);
981 dbus_message_get_args(reply, NULL, DBUS_TYPE_BOOLEAN, &consumed, DBUS_TYPE_INVALID);
982 dbus_message_unref(reply);
985 dbus_message_unref(message);
990 spi_controller_notify_mouselisteners (SpiDEController *controller,
991 const Accessibility_DeviceEvent *event)
994 GSList *notify = NULL, *l2;
995 GList **listeners = &controller->mouse_listeners;
996 gboolean is_consumed;
997 #ifdef SPI_KEYEVENT_DEBUG
998 gboolean found = FALSE;
1005 for (l = *listeners; l; l = l->next)
1007 DEControllerListener *listener = l->data;
1009 if (eventtype_seq_contains_event (listener->types, event))
1011 /* we clone (don't dup) the listener, to avoid refcount inc. */
1012 notify = g_slist_prepend (notify,
1013 spi_listener_clone (listener));
1014 #ifdef SPI_KEYEVENT_DEBUG
1020 #ifdef SPI_KEYEVENT_DEBUG
1023 g_print ("no match for event\n");
1027 is_consumed = FALSE;
1028 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
1030 DEControllerListener *listener = l2->data;
1032 is_consumed = Accessibility_DeviceEventListener_NotifyEvent (controller, controller->registry, listener, event);
1034 spi_listener_clone_free ((DEControllerListener *) l2->data);
1037 for (; l2; l2 = l2->next)
1039 DEControllerListener *listener = l2->data;
1040 spi_listener_clone_free (listener);
1041 /* clone doesn't have its own ref, so don't use spi_device_listener_free */
1044 g_slist_free (notify);
1047 if (is_consumed) g_message ("consumed\n");
1053 key_set_contains_key (GSList *key_set,
1054 const Accessibility_DeviceEvent *key_event)
1063 g_print ("null key set!\n");
1068 len = g_slist_length (key_set);
1070 if (len == 0) /* special case, means "all keys/any key" */
1073 g_print ("anykey\n");
1078 for (l = key_set,i = 0; l; l = g_slist_next(l),i++)
1080 Accessibility_KeyDefinition *kd = l->data;
1081 #ifdef SPI_KEYEVENT_DEBUG
1082 g_print ("key_set[%d] event = %d, code = %d; key_event %d, code %d, string %s\n",
1086 (int) key_event->id,
1087 (int) key_event->hw_code,
1088 key_event->event_string);
1090 if (kd->keysym == (dbus_uint32_t) key_event->id)
1094 if (kd->keycode == (dbus_uint32_t) key_event->hw_code)
1098 if (key_event->event_string && key_event->event_string[0] &&
1099 !strcmp (kd->keystring, key_event->event_string))
1109 eventtype_seq_contains_event (dbus_uint32_t types,
1110 const Accessibility_DeviceEvent *event)
1112 if (types == 0) /* special case, means "all events/any event" */
1117 return (types & (1 << event->type));
1121 spi_key_event_matches_listener (const Accessibility_DeviceEvent *key_event,
1122 DEControllerKeyListener *listener,
1123 dbus_bool_t is_system_global)
1125 if (((key_event->modifiers & 0xFF) == (dbus_uint16_t) (listener->mask & 0xFF)) &&
1126 key_set_contains_key (listener->keys, key_event) &&
1127 eventtype_seq_contains_event (listener->listener.types, key_event) &&
1128 (is_system_global == listener->mode->global))
1139 spi_controller_notify_keylisteners (SpiDEController *controller,
1140 Accessibility_DeviceEvent *key_event,
1141 dbus_bool_t is_system_global)
1144 GSList *notify = NULL, *l2;
1145 GList **key_listeners = &controller->key_listeners;
1146 gboolean is_consumed;
1153 /* set the NUMLOCK event mask bit if appropriate: see bug #143702 */
1154 if (key_event->modifiers & _numlock_physical_mask)
1155 key_event->modifiers |= SPI_KEYMASK_NUMLOCK;
1157 for (l = *key_listeners; l; l = l->next)
1159 DEControllerKeyListener *key_listener = l->data;
1161 if (spi_key_event_matches_listener (key_event, key_listener, is_system_global))
1163 /* we clone (don't dup) the listener, to avoid refcount inc. */
1164 notify = g_slist_prepend (notify,
1165 spi_key_listener_clone (key_listener));
1169 #ifdef SPI_KEYEVENT_DEBUG
1172 g_print ("no match for event\n");
1176 is_consumed = FALSE;
1177 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
1179 DEControllerKeyListener *key_listener = l2->data;
1181 is_consumed = Accessibility_DeviceEventListener_NotifyEvent (controller, controller->registry, &key_listener->listener, key_event) &&
1182 key_listener->mode->preemptive;
1184 spi_key_listener_clone_free (key_listener);
1187 for (; l2; l2 = l2->next)
1189 DEControllerKeyListener *key_listener = l2->data;
1190 spi_key_listener_clone_free (key_listener);
1191 /* clone doesn't have its own ref, so don't use spi_dec_listener_free */
1194 g_slist_free (notify);
1197 if (is_consumed) g_message ("consumed\n");
1203 spi_clear_error_state (void)
1205 gboolean retval = spi_error_code != 0;
1211 spi_controller_update_key_grabs (SpiDEController *controller,
1212 Accessibility_DeviceEvent *recv)
1215 gboolean update_failed = FALSE;
1218 g_return_val_if_fail (controller != NULL, FALSE);
1221 * masks known to work with default RH 7.1+:
1222 * 0 (no mods), LockMask, Mod1Mask, Mod2Mask, ShiftMask,
1223 * ShiftMask|LockMask, Mod1Mask|LockMask, Mod2Mask|LockMask,
1224 * ShiftMask|Mod1Mask, ShiftMask|Mod2Mask, Mod1Mask|Mod2Mask,
1225 * ShiftMask|LockMask|Mod1Mask, ShiftMask|LockMask|Mod2Mask,
1227 * ControlMask grabs are broken, must be in use already
1230 keycode = spi_dec_plat_get_keycode (controller, recv->id, NULL, TRUE, NULL);
1231 for (l = controller->keygrabs_list; l; l = next)
1234 gboolean re_issue_grab;
1235 DEControllerGrabMask *grab_mask = l->data;
1239 re_issue_grab = recv &&
1240 (recv->modifiers & grab_mask->mod_mask) &&
1241 (grab_mask->key_val == keycode);
1244 fprintf (stderr, "mask=%lx %lx (%c%c) %s\n",
1245 (long int) grab_mask->key_val,
1246 (long int) grab_mask->mod_mask,
1247 grab_mask->pending_add ? '+' : '.',
1248 grab_mask->pending_remove ? '-' : '.',
1249 re_issue_grab ? "re-issue": "");
1254 if (grab_mask->pending_add && grab_mask->pending_remove)
1258 else if (grab_mask->pending_remove)
1261 fprintf (stderr, "ungrabbing, mask=%x\n", grab_mask->mod_mask);
1263 spi_dec_plat_ungrab_key (controller,
1265 grab_mask->mod_mask);
1269 else if (grab_mask->pending_add || re_issue_grab)
1273 fprintf (stderr, "grab %d with mask %x\n", grab_mask->key_val, grab_mask->mod_mask);
1275 update_failed = spi_dec_plat_grab_key (controller,
1277 grab_mask->mod_mask);
1278 if (update_failed) {
1279 while (grab_mask->ref_count > 0) --grab_mask->ref_count;
1284 grab_mask->pending_add = FALSE;
1285 grab_mask->pending_remove = FALSE;
1289 g_assert (grab_mask->ref_count <= 0);
1291 controller->keygrabs_list = g_list_delete_link (
1292 controller->keygrabs_list, l);
1294 spi_grab_mask_free (grab_mask);
1299 return ! update_failed;
1303 * Implemented GObject::finalize
1306 spi_device_event_controller_object_finalize (GObject *object)
1308 SpiDEController *controller;
1309 GObjectClass *parent_class = G_OBJECT_CLASS(spi_device_event_controller_parent_class);
1310 SpiDEControllerClass *klass;
1312 controller = SPI_DEVICE_EVENT_CONTROLLER (object);
1313 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
1315 fprintf(stderr, "spi_device_event_controller_object_finalize called\n");
1317 if (klass->plat.finalize)
1318 klass->plat.finalize (controller);
1320 parent_class->finalize (object);
1324 * DBus Accessibility::DEController::RegisterKeystrokeListener
1325 * method implementation
1327 static DBusMessage *
1328 impl_register_keystroke_listener (DBusConnection *bus,
1329 DBusMessage *message,
1332 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1333 DEControllerKeyListener *dec_listener;
1334 DBusMessageIter iter, iter_array;
1336 GSList *keys = NULL;
1337 dbus_int32_t mask, type;
1338 Accessibility_EventListenerMode *mode;
1340 DBusMessage *reply = NULL;
1343 if (strcmp (dbus_message_get_signature (message), "oa(iisi)uu(bbb)") != 0)
1344 return invalid_arguments_error (message);
1346 dbus_message_iter_init(message, &iter);
1347 dbus_message_iter_get_basic(&iter, &path);
1348 dbus_message_iter_next(&iter);
1349 dbus_message_iter_recurse(&iter, &iter_array);
1350 while (dbus_message_iter_get_arg_type(&iter_array) != DBUS_TYPE_INVALID)
1352 Accessibility_KeyDefinition *kd = (Accessibility_KeyDefinition *)g_malloc(sizeof(Accessibility_KeyDefinition));
1353 if (!spi_dbus_message_iter_get_struct(&iter_array, DBUS_TYPE_INT32, &kd->keycode, DBUS_TYPE_INT32, &kd->keysym, DBUS_TYPE_STRING, &keystring, DBUS_TYPE_INVALID))
1357 kd->keystring = g_strdup (keystring);
1358 keys = g_slist_append(keys, kd);
1360 dbus_message_iter_next(&iter);
1361 dbus_message_iter_get_basic(&iter, &mask);
1362 dbus_message_iter_next(&iter);
1363 dbus_message_iter_get_basic(&iter, &type);
1364 dbus_message_iter_next(&iter);
1365 mode = (Accessibility_EventListenerMode *)g_malloc(sizeof(Accessibility_EventListenerMode));
1368 spi_dbus_message_iter_get_struct(&iter, DBUS_TYPE_BOOLEAN, &mode->synchronous, DBUS_TYPE_BOOLEAN, &mode->preemptive, DBUS_TYPE_BOOLEAN, &mode->global, DBUS_TYPE_INVALID);
1371 fprintf (stderr, "registering keystroke listener %s:%s with maskVal %lu\n",
1372 dbus_message_get_sender(message), path, (unsigned long) mask);
1374 dec_listener = spi_dec_key_listener_new (dbus_message_get_sender(message), path, keys, mask, type, mode);
1376 ret = spi_controller_register_device_listener (
1377 controller, (DEControllerListener *) dec_listener);
1378 reply = dbus_message_new_method_return (message);
1381 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &ret, DBUS_TYPE_INVALID);
1387 * DBus Accessibility::DEController::RegisterDeviceEventListener
1388 * method implementation
1390 static DBusMessage *
1391 impl_register_device_event_listener (DBusConnection *bus,
1392 DBusMessage *message,
1395 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1396 DEControllerListener *dec_listener;
1398 dbus_int32_t event_types;
1400 DBusMessage *reply = NULL;
1402 if (!dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_UINT32, &event_types, DBUS_TYPE_INVALID))
1404 return invalid_arguments_error (message);
1406 dec_listener = spi_dec_listener_new (dbus_message_get_sender(message), path, event_types);
1407 ret = spi_controller_register_device_listener (
1408 controller, (DEControllerListener *) dec_listener);
1409 reply = dbus_message_new_method_return (message);
1412 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &ret, DBUS_TYPE_INVALID);
1418 DBusConnection *bus;
1419 DEControllerListener *listener;
1420 } RemoveListenerClosure;
1422 static SpiReEntrantContinue
1423 remove_listener_cb (GList * const *list,
1426 DEControllerListener *listener = (*list)->data;
1427 RemoveListenerClosure *ctx = user_data;
1429 if (!strcmp(ctx->listener->bus_name, listener->bus_name) &&
1430 !strcmp(ctx->listener->path, listener->path))
1432 spi_re_entrant_list_delete_link (list);
1433 spi_dbus_remove_disconnect_match (ctx->bus, listener->bus_name);
1434 spi_dec_listener_free (listener);
1437 return SPI_RE_ENTRANT_CONTINUE;
1440 static SpiReEntrantContinue
1441 copy_key_listener_cb (GList * const *list,
1444 DEControllerKeyListener *key_listener = (*list)->data;
1445 RemoveListenerClosure *ctx = user_data;
1447 if (!strcmp(ctx->listener->bus_name, key_listener->listener.bus_name) &&
1448 !strcmp(ctx->listener->path, key_listener->listener.path))
1450 /* TODO: FIXME aggregate keys in case the listener is registered twice */
1451 DEControllerKeyListener *ctx_key_listener =
1452 (DEControllerKeyListener *) ctx->listener;
1453 keylist_free (ctx_key_listener->keys);
1454 ctx_key_listener->keys = keylist_clone(key_listener->keys);
1457 return SPI_RE_ENTRANT_CONTINUE;
1461 spi_controller_deregister_device_listener (SpiDEController *controller,
1462 DEControllerListener *listener)
1464 RemoveListenerClosure ctx;
1466 ctx.bus = controller->bus;
1467 ctx.listener = listener;
1469 notify_mouse_listener (controller, listener, FALSE);
1471 spi_re_entrant_list_foreach (&controller->mouse_listeners,
1472 remove_listener_cb, &ctx);
1473 if (!controller->mouse_listeners)
1474 have_mouse_listener = FALSE;
1478 spi_deregister_controller_key_listener (SpiDEController *controller,
1479 DEControllerKeyListener *key_listener)
1481 RemoveListenerClosure ctx;
1483 ctx.bus = controller->bus;
1484 ctx.listener = (DEControllerListener *) spi_key_listener_clone (key_listener);
1486 notify_keystroke_listener (controller, key_listener, FALSE);
1488 /* special case, copy keyset from existing controller list entry */
1489 if (g_slist_length(key_listener->keys) == 0)
1491 spi_re_entrant_list_foreach (&controller->key_listeners,
1492 copy_key_listener_cb, &ctx);
1495 spi_controller_deregister_global_keygrabs (controller, key_listener);
1497 spi_re_entrant_list_foreach (&controller->key_listeners,
1498 remove_listener_cb, &ctx);
1500 spi_key_listener_clone_free ((DEControllerKeyListener *) ctx.listener);
1504 spi_remove_device_listeners (SpiDEController *controller, const char *bus_name)
1508 for (l = controller->mouse_listeners; l; l = tmp)
1510 DEControllerListener *listener = l->data;
1512 if (!strcmp (listener->bus_name, bus_name))
1514 spi_controller_deregister_device_listener (controller, listener);
1515 tmp = controller->mouse_listeners;
1518 for (l = controller->key_listeners; l; l = tmp)
1520 DEControllerKeyListener *key_listener = l->data;
1522 if (!strcmp (key_listener->listener.bus_name, bus_name))
1524 /* TODO: untangle the below line(s) */
1525 spi_deregister_controller_key_listener (controller, key_listener);
1526 tmp = controller->key_listeners;
1532 * DBus Accessibility::DEController::DeregisterKeystrokeListener
1533 * method implementation
1535 static DBusMessage *
1536 impl_deregister_keystroke_listener (DBusConnection *bus,
1537 DBusMessage *message,
1540 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1541 DEControllerKeyListener *key_listener;
1542 DBusMessageIter iter, iter_array;
1544 GSList *keys = NULL;
1545 dbus_int32_t mask, type;
1546 DBusMessage *reply = NULL;
1548 dbus_message_iter_init(message, &iter);
1549 if (strcmp (dbus_message_get_signature (message), "oa(iisi)uu") != 0)
1551 g_warning ("Received DeregisterKeystrokeListener with strange signature '%s'", dbus_message_get_signature (message));
1552 return invalid_arguments_error (message);
1555 dbus_message_iter_get_basic(&iter, &path);
1556 dbus_message_iter_next(&iter);
1557 dbus_message_iter_recurse(&iter, &iter_array);
1558 while (dbus_message_iter_get_arg_type(&iter_array) != DBUS_TYPE_INVALID)
1560 Accessibility_KeyDefinition *kd = (Accessibility_KeyDefinition *)g_malloc(sizeof(Accessibility_KeyDefinition));
1563 if (!spi_dbus_message_iter_get_struct(&iter_array, DBUS_TYPE_INT32, &kd->keycode, DBUS_TYPE_INT32, &kd->keysym, DBUS_TYPE_STRING, &keystring, DBUS_TYPE_INVALID))
1567 kd->keystring = g_strdup (keystring);
1568 keys = g_slist_append(keys, kd);
1570 dbus_message_iter_next(&iter);
1571 dbus_message_iter_get_basic(&iter, &mask);
1572 dbus_message_iter_next(&iter);
1573 dbus_message_iter_get_basic(&iter, &type);
1574 dbus_message_iter_next(&iter);
1575 key_listener = spi_dec_key_listener_new (dbus_message_get_sender(message), path, keys, mask, type, NULL);
1576 #ifdef SPI_DEREGISTER_DEBUG
1577 fprintf (stderr, "deregistering keystroke listener %p with maskVal %lu\n",
1578 (void *) l, (unsigned long) mask->value);
1581 spi_deregister_controller_key_listener (controller, key_listener);
1583 spi_dec_listener_free ((DEControllerListener *) key_listener);
1584 reply = dbus_message_new_method_return (message);
1589 * DBus Accessibility::DEController::DeregisterDeviceEventListener
1590 * method implementation
1592 static DBusMessage *
1593 impl_deregister_device_event_listener (DBusConnection *bus,
1594 DBusMessage *message,
1597 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1598 DEControllerListener *listener;
1600 dbus_int32_t event_types;
1601 DBusMessage *reply = NULL;
1603 if (!dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_UINT32, &event_types, DBUS_TYPE_INVALID))
1605 return invalid_arguments_error (message);
1607 listener = spi_dec_listener_new (dbus_message_get_sender(message), path, event_types);
1608 spi_controller_deregister_device_listener (
1609 controller, listener);
1610 reply = dbus_message_new_method_return (message);
1614 static DBusMessage *
1615 impl_get_keystroke_listeners (DBusConnection *bus,
1616 DBusMessage *message,
1619 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1620 DBusMessageIter iter, iter_array;
1621 DBusMessage *reply = dbus_message_new_method_return (message);
1627 dbus_message_iter_init_append (reply, &iter);
1628 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY,
1629 "(souua(iisi)u(bbb))", &iter_array);
1630 for (l = controller->key_listeners; l; l = l->next)
1632 append_keystroke_listener (&iter_array, l->data);
1634 dbus_message_iter_close_container (&iter, &iter_array);
1638 static DBusMessage *
1639 impl_get_device_event_listeners (DBusConnection *bus,
1640 DBusMessage *message,
1643 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1644 DBusMessageIter iter, iter_array;
1646 DBusMessage *reply = dbus_message_new_method_return (message);
1651 dbus_message_iter_init_append (reply, &iter);
1652 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY,
1653 "(sou)", &iter_array);
1654 for (l = controller->key_listeners; l; l = l->next)
1656 append_mouse_listener (&iter_array, l->data);
1658 dbus_message_iter_close_container (&iter, &iter_array);
1663 get_modifier_state (SpiDEController *controller)
1665 return mouse_mask_state;
1669 spi_dec_synth_keysym (SpiDEController *controller, long keysym)
1671 long key_synth_code;
1672 unsigned int modifiers, synth_mods, lock_mods;
1674 key_synth_code = spi_dec_plat_get_keycode (controller, keysym, NULL, TRUE, &synth_mods);
1676 if ((key_synth_code == 0) || (synth_mods == 0xFF)) return FALSE;
1678 /* TODO: set the modifiers accordingly! */
1679 modifiers = get_modifier_state (controller);
1680 /* side-effect; we may unset mousebutton modifiers here! */
1683 if (synth_mods != modifiers) {
1684 lock_mods = synth_mods & ~modifiers;
1685 spi_dec_plat_lock_modifiers (controller, lock_mods);
1687 spi_dec_plat_synth_keycode_press (controller, key_synth_code);
1688 spi_dec_plat_synth_keycode_release (controller, key_synth_code);
1690 if (synth_mods != modifiers)
1691 spi_dec_plat_unlock_modifiers (controller, lock_mods);
1698 * DBus Accessibility::DEController::RegisterKeystrokeListener
1699 * method implementation
1701 static DBusMessage *
1702 impl_generate_keyboard_event (DBusConnection *bus, DBusMessage *message, void *user_data)
1704 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1705 dbus_int32_t keycode;
1707 dbus_uint32_t synth_type;
1708 DBusMessage *reply = NULL;
1710 if (!dbus_message_get_args(message, NULL, DBUS_TYPE_INT32, &keycode, DBUS_TYPE_STRING, &keystring, DBUS_TYPE_UINT32, &synth_type, DBUS_TYPE_INVALID))
1712 return invalid_arguments_error (message);
1716 fprintf (stderr, "synthesizing keystroke %ld, type %d\n",
1717 (long) keycode, (int) synth_type);
1719 /* TODO: hide/wrap/remove X dependency */
1722 * TODO: when initializing, query for XTest extension before using,
1723 * and fall back to XSendEvent() if XTest is not available.
1728 case Accessibility_KEY_PRESS:
1729 spi_dec_plat_synth_keycode_press (controller, keycode);
1731 case Accessibility_KEY_PRESSRELEASE:
1732 spi_dec_plat_synth_keycode_press (controller, keycode);
1733 case Accessibility_KEY_RELEASE:
1734 spi_dec_plat_synth_keycode_release (controller, keycode);
1736 case Accessibility_KEY_SYM:
1737 #ifdef SPI_XKB_DEBUG
1738 fprintf (stderr, "KeySym synthesis\n");
1741 * note: we are using long for 'keycode'
1742 * in our arg list; it can contain either
1743 * a keycode or a keysym.
1745 spi_dec_synth_keysym (controller, (KeySym) keycode);
1747 case Accessibility_KEY_STRING:
1748 if (!spi_dec_plat_synth_keystring (controller, synth_type, keycode, keystring))
1749 fprintf (stderr, "Keystring synthesis failure, string=%s\n",
1753 reply = dbus_message_new_method_return (message);
1757 /* Accessibility::DEController::GenerateMouseEvent */
1758 static DBusMessage *
1759 impl_generate_mouse_event (DBusConnection *bus, DBusMessage *message, void *user_data)
1764 DBusMessage *reply = NULL;
1766 if (!dbus_message_get_args(message, NULL, DBUS_TYPE_INT32, &x, DBUS_TYPE_INT32, &y, DBUS_TYPE_STRING, &eventName, DBUS_TYPE_INVALID))
1768 return invalid_arguments_error (message);
1772 fprintf (stderr, "generating mouse %s event at %ld, %ld\n",
1773 eventName, (long int) x, (long int) y);
1775 spi_dec_plat_generate_mouse_event (saved_controller, x, y, eventName);
1776 reply = dbus_message_new_method_return (message);
1780 /* Accessibility::DEController::NotifyListenersSync */
1781 static DBusMessage *
1782 impl_notify_listeners_sync (DBusConnection *bus, DBusMessage *message, void *user_data)
1784 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1785 Accessibility_DeviceEvent event;
1787 DBusMessage *reply = NULL;
1789 if (!spi_dbus_demarshal_deviceEvent(message, &event))
1791 return invalid_arguments_error (message);
1794 g_print ("notifylistening listeners synchronously: controller %p, event id %d\n",
1795 controller, (int) event.id);
1797 ret = spi_controller_notify_keylisteners (controller,
1798 (Accessibility_DeviceEvent *)
1801 reply = dbus_message_new_method_return (message);
1804 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &ret, DBUS_TYPE_INVALID);
1809 static DBusMessage *
1810 impl_notify_listeners_async (DBusConnection *bus, DBusMessage *message, void *user_data)
1812 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1813 Accessibility_DeviceEvent event;
1814 DBusMessage *reply = NULL;
1816 if (!spi_dbus_demarshal_deviceEvent(message, &event))
1818 return invalid_arguments_error (message);
1821 g_print ("notifylistening listeners asynchronously: controller %p, event id %d\n",
1822 controller, (int) event.id);
1824 spi_controller_notify_keylisteners (controller, (Accessibility_DeviceEvent *)
1826 reply = dbus_message_new_method_return (message);
1831 spi_device_event_controller_class_init (SpiDEControllerClass *klass)
1833 GObjectClass * object_class = (GObjectClass *) klass;
1835 spi_device_event_controller_parent_class = g_type_class_peek_parent (klass);
1837 object_class->finalize = spi_device_event_controller_object_finalize;
1840 if (g_getenv ("DISPLAY"))
1841 spi_dec_setup_x11 (klass);
1844 g_type_class_add_private (object_class, sizeof (long)); /* dummy */
1848 spi_device_event_controller_init (SpiDEController *device_event_controller)
1850 SpiDEControllerClass *klass;
1851 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (device_event_controller);
1853 /* TODO: shouldn't be gpointer below */
1854 device_event_controller->priv = G_TYPE_INSTANCE_GET_PRIVATE (device_event_controller,
1855 SPI_DEVICE_EVENT_CONTROLLER_TYPE,
1857 device_event_controller->message_queue = g_queue_new ();
1858 saved_controller = device_event_controller;
1860 if (klass->plat.init)
1861 klass->plat.init (device_event_controller);
1865 /*---------------------------------------------------------------------------*/
1867 static const char *introspection_header =
1868 "<?xml version=\"1.0\"?>\n";
1870 static const char *introspection_node_element =
1871 "<node name=\"%s\">\n";
1873 static const char *introspection_footer =
1876 static DBusMessage *
1877 impl_Introspect (DBusConnection * bus,
1878 DBusMessage * message, void *user_data)
1883 const gchar *pathstr = SPI_DBUS_PATH_DEC;
1887 output = g_string_new(introspection_header);
1889 g_string_append_printf(output, introspection_node_element, pathstr);
1891 g_string_append (output, spi_org_a11y_atspi_DeviceEventController);
1893 g_string_append(output, introspection_footer);
1894 final = g_string_free(output, FALSE);
1896 reply = dbus_message_new_method_return (message);
1897 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
1903 /*---------------------------------------------------------------------------*/
1906 handle_dec_method_from_idle (DBusConnection *bus, DBusMessage *message, void *user_data)
1908 const gchar *iface = dbus_message_get_interface (message);
1909 const gchar *member = dbus_message_get_member (message);
1910 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1911 DBusMessage *reply = NULL;
1913 if (!strcmp (iface, SPI_DBUS_INTERFACE_DEC))
1915 result = DBUS_HANDLER_RESULT_HANDLED;
1916 if (!strcmp (member, "RegisterKeystrokeListener"))
1917 reply = impl_register_keystroke_listener (bus, message, user_data);
1918 else if (!strcmp (member, "RegisterDeviceEventListener"))
1919 reply = impl_register_device_event_listener (bus, message, user_data);
1920 else if (!strcmp (member, "DeregisterKeystrokeListener"))
1921 reply = impl_deregister_keystroke_listener (bus, message, user_data);
1922 else if (!strcmp (member, "DeregisterDeviceEventListener"))
1923 reply = impl_deregister_device_event_listener (bus, message, user_data);
1924 else if (!strcmp (member, "GetKeystrokeListeners"))
1925 reply = impl_get_keystroke_listeners (bus, message, user_data);
1926 else if (!strcmp (member, "GetDeviceEventListeners"))
1927 reply = impl_get_device_event_listeners (bus, message, user_data);
1928 else if (!strcmp (member, "GenerateKeyboardEvent"))
1929 reply = impl_generate_keyboard_event (bus, message, user_data);
1930 else if (!strcmp (member, "GenerateMouseEvent"))
1931 reply = impl_generate_mouse_event (bus, message, user_data);
1932 else if (!strcmp (member, "NotifyListenersSync"))
1933 reply = impl_notify_listeners_sync (bus, message, user_data);
1934 else if (!strcmp (member, "NotifyListenersAsync"))
1935 reply = impl_notify_listeners_async (bus, message, user_data);
1937 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1940 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1942 result = DBUS_HANDLER_RESULT_HANDLED;
1943 if (!strcmp (member, "Introspect"))
1944 reply = impl_Introspect (bus, message, user_data);
1946 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1949 if (result == DBUS_HANDLER_RESULT_HANDLED)
1953 reply = dbus_message_new_method_return (message);
1956 dbus_connection_send (bus, reply, NULL);
1957 dbus_message_unref (reply);
1962 message_queue_dispatch (gpointer data)
1964 saved_controller->message_queue_idle = 0;
1965 while (!g_queue_is_empty (saved_controller->message_queue))
1967 DBusMessage *message = g_queue_pop_head (saved_controller->message_queue);
1968 data = g_queue_pop_head (saved_controller->message_queue);
1969 handle_dec_method_from_idle (saved_controller->bus, message, data);
1970 dbus_message_unref (message);
1975 static DBusHandlerResult
1976 handle_dec_method (DBusConnection *bus, DBusMessage *message, void *user_data)
1978 const gchar *iface = dbus_message_get_interface (message);
1979 const gchar *member = dbus_message_get_member (message);
1980 const gint type = dbus_message_get_type (message);
1982 /* Check for basic reasons not to handle */
1983 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1986 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1988 dbus_message_ref (message);
1989 g_queue_push_tail (saved_controller->message_queue, message);
1990 g_queue_push_tail (saved_controller->message_queue, user_data);
1991 if (!saved_controller->message_queue_idle)
1992 saved_controller->message_queue_idle = g_idle_add (message_queue_dispatch, NULL);
1993 return DBUS_HANDLER_RESULT_HANDLED;
1996 static DBusObjectPathVTable dec_vtable =
2000 NULL, NULL, NULL, NULL
2004 spi_registry_dec_new (SpiRegistry *reg, DBusConnection *bus)
2006 SpiDEController *dec = g_object_new (SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL);
2008 dec->registry = g_object_ref (reg);
2009 reg->dec = g_object_ref (dec);
2012 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_DEC, &dec_vtable, dec);
2018 spi_device_event_controller_start_poll_mouse (SpiRegistry *registry)
2020 if (!have_mouse_event_listener)
2022 have_mouse_event_listener = TRUE;
2023 if (!have_mouse_listener)
2024 g_timeout_add (100, spi_dec_poll_mouse_idle, registry->dec);
2029 spi_device_event_controller_stop_poll_mouse (void)
2031 have_mouse_event_listener = FALSE;