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 long ucs2keysym (long ucs);
54 long keysym2ucs(long keysym);
56 #define CHECK_RELEASE_DELAY 20
57 #define BIT(c, x) (c[x/8]&(1<<(x%8)))
58 static SpiDEController *saved_controller;
60 /* Our parent Gtk object type */
61 #define PARENT_TYPE G_TYPE_OBJECT
63 /* A pointer to our parent object class */
64 static int spi_error_code = 0;
69 typedef struct _SpiPoint SpiPoint;
70 static unsigned int mouse_mask_state = 0;
71 static unsigned int key_modifier_mask =
72 Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask | ShiftMask | LockMask | ControlMask | SPI_KEYMASK_NUMLOCK;
73 static unsigned int _numlock_physical_mask = Mod2Mask; /* a guess, will be reset */
75 static gboolean have_mouse_listener = FALSE;
76 static gboolean have_mouse_event_listener = FALSE;
81 guint pending_add : 1;
82 guint pending_remove : 1;
84 Accessibility_ControllerEventMask mod_mask;
85 dbus_uint32_t key_val; /* KeyCode */
86 } DEControllerGrabMask;
89 gboolean spi_controller_update_key_grabs (SpiDEController *controller,
90 Accessibility_DeviceEvent *recv);
92 static gboolean eventtype_seq_contains_event (dbus_uint32_t types,
93 const Accessibility_DeviceEvent *event);
94 static gboolean spi_dec_poll_mouse_moving (gpointer data);
95 static gboolean spi_dec_poll_mouse_idle (gpointer data);
97 G_DEFINE_TYPE(SpiDEController, spi_device_event_controller, G_TYPE_OBJECT)
100 spi_dec_plat_get_keycode (SpiDEController *controller,
106 SpiDEControllerClass *klass;
107 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
108 if (klass->plat.get_keycode)
109 return klass->plat.get_keycode (controller, keysym, key_str, fix, modmask);
115 spi_dec_plat_mouse_check (SpiDEController *controller,
116 int *x, int *y, gboolean *moved)
118 SpiDEControllerClass *klass;
119 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
120 if (klass->plat.mouse_check)
121 return klass->plat.mouse_check (controller, x, y, moved);
127 spi_dec_plat_grab_key (SpiDEController *controller, guint key_val, Accessibility_ControllerEventMask mod_mask)
129 SpiDEControllerClass *klass;
130 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
131 if (klass->plat.grab_key)
132 return klass->plat.grab_key (controller, key_val, mod_mask);
138 spi_dec_plat_ungrab_key (SpiDEController *controller, guint key_val, Accessibility_ControllerEventMask mod_mask)
140 SpiDEControllerClass *klass;
141 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
142 if (klass->plat.ungrab_key)
143 klass->plat.ungrab_key (controller, key_val, mod_mask);
147 spi_dec_plat_synth_keycode_press (SpiDEController *controller,
148 unsigned int keycode)
150 SpiDEControllerClass *klass;
151 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
152 if (klass->plat.synth_keycode_press)
153 return klass->plat.synth_keycode_press (controller, keycode);
159 spi_dec_plat_synth_keycode_release (SpiDEController *controller,
160 unsigned int keycode)
162 SpiDEControllerClass *klass;
163 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
164 if (klass->plat.synth_keycode_release)
165 return klass->plat.synth_keycode_release (controller, keycode);
171 spi_dec_plat_lock_modifiers (SpiDEController *controller, unsigned modifiers)
173 SpiDEControllerClass *klass;
174 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
175 if (klass->plat.lock_modifiers)
176 return klass->plat.lock_modifiers (controller, modifiers);
182 spi_dec_plat_unlock_modifiers (SpiDEController *controller, unsigned modifiers)
184 SpiDEControllerClass *klass;
185 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
186 if (klass->plat.unlock_modifiers)
187 return klass->plat.unlock_modifiers (controller, modifiers);
193 spi_dec_plat_synth_keystring (SpiDEController *controller, guint synth_type, gint keycode, const char *keystring)
195 SpiDEControllerClass *klass;
196 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
197 if (klass->plat.synth_keystring)
198 return klass->plat.synth_keystring (controller, synth_type, keycode, keystring);
204 spi_dec_plat_emit_modifier_event (SpiDEController *controller, guint prev_mask,
207 SpiDEControllerClass *klass;
208 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
209 if (klass->plat.emit_modifier_event)
210 return klass->plat.emit_modifier_event (controller, prev_mask, current_mask);
214 spi_dec_plat_generate_mouse_event (SpiDEController *controller,
217 const char *eventName)
219 SpiDEControllerClass *klass;
220 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
221 if (klass->plat.generate_mouse_event)
222 return klass->plat.generate_mouse_event (controller, x, y, eventName);
226 invalid_arguments_error (DBusMessage *message)
231 errmsg= g_strdup_printf (
232 "Method \"%s\" with signature \"%s\" on interface \"%s\" was supplied with invalid arguments\n",
233 dbus_message_get_member (message),
234 dbus_message_get_signature (message),
235 dbus_message_get_interface (message));
236 reply = dbus_message_new_error (message,
237 DBUS_ERROR_INVALID_ARGS,
243 /* Private methods */
245 spi_dbus_add_disconnect_match (DBusConnection *bus, const char *name)
247 char *match = g_strdup_printf ("interface=%s,member=NameOwnerChanged,arg0=%s", DBUS_INTERFACE_DBUS, name);
251 dbus_error_init (&error);
252 dbus_bus_add_match (bus, match, &error);
254 if (dbus_error_is_set (&error))
256 dbus_error_free (&error);
268 spi_dbus_remove_disconnect_match (DBusConnection *bus, const char *name)
270 char *match = g_strdup_printf ("interface=%s,member=NameOwnerChanged,arg0=%s", DBUS_INTERFACE_DBUS, name);
274 dbus_error_init (&error);
275 dbus_bus_remove_match (bus, match, &error);
277 if (dbus_error_is_set (&error))
279 dbus_error_free (&error);
290 static DEControllerGrabMask *
291 spi_grab_mask_clone (DEControllerGrabMask *grab_mask)
293 DEControllerGrabMask *clone = g_new (DEControllerGrabMask, 1);
295 memcpy (clone, grab_mask, sizeof (DEControllerGrabMask));
297 clone->ref_count = 1;
298 clone->pending_add = TRUE;
299 clone->pending_remove = FALSE;
305 spi_grab_mask_free (DEControllerGrabMask *grab_mask)
311 spi_grab_mask_compare_values (gconstpointer p1, gconstpointer p2)
313 DEControllerGrabMask *l1 = (DEControllerGrabMask *) p1;
314 DEControllerGrabMask *l2 = (DEControllerGrabMask *) p2;
322 return ((l1->mod_mask != l2->mod_mask) || (l1->key_val != l2->key_val));
327 spi_dec_dbus_emit (SpiDEController *controller, const char *interface,
328 const char *name, const char *minor, int a1, int a2)
330 DBusMessage *signal = NULL;
331 DBusMessageIter iter, iter_struct, iter_variant;
333 const char *path = SPI_DBUS_PATH_ROOT;
334 const char *bus_name = dbus_bus_get_unique_name (controller->bus);
336 signal = dbus_message_new_signal (path, interface, name);
338 dbus_message_iter_init_append (signal, &iter);
340 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &minor);
341 dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &a1);
342 dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &a2);
343 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "i", &iter_variant);
344 dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, &nil);
345 dbus_message_iter_close_container (&iter, &iter_variant);
347 dbus_message_iter_open_container (&iter, DBUS_TYPE_STRUCT, NULL,
349 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &bus_name);
350 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH, &path);
351 dbus_message_iter_close_container (&iter, &iter_struct);
353 dbus_connection_send (controller->bus, signal, NULL);
354 dbus_message_unref (signal);
358 spi_dec_poll_mouse_moved (gpointer data)
360 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(data);
365 mask_return = spi_dec_plat_mouse_check (controller, &x, &y, &moved);
367 if ((mask_return & key_modifier_mask) !=
368 (mouse_mask_state & key_modifier_mask))
370 spi_dec_plat_emit_modifier_event (controller, mouse_mask_state, mask_return);
371 mouse_mask_state = mask_return;
378 spi_dec_poll_mouse_idle (gpointer data)
380 if (!have_mouse_event_listener && !have_mouse_listener)
382 else if (!spi_dec_poll_mouse_moved (data))
386 g_timeout_add (20, spi_dec_poll_mouse_moving, data);
392 spi_dec_poll_mouse_moving (gpointer data)
394 if (!have_mouse_event_listener && !have_mouse_listener)
396 else if (spi_dec_poll_mouse_moved (data))
400 g_timeout_add (100, spi_dec_poll_mouse_idle, data);
406 * Eventually we can use this to make the marshalling of mask types
407 * more sane, but for now we just use this to detect
408 * the use of 'virtual' masks such as numlock and convert them to
409 * system-specific mask values (i.e. ModMask).
412 static Accessibility_ControllerEventMask
413 spi_dec_translate_mask (Accessibility_ControllerEventMask mask)
415 Accessibility_ControllerEventMask tmp_mask;
416 gboolean has_numlock;
418 has_numlock = (mask & SPI_KEYMASK_NUMLOCK);
422 tmp_mask = mask ^ SPI_KEYMASK_NUMLOCK;
423 tmp_mask |= _numlock_physical_mask;
429 static DEControllerKeyListener *
430 spi_dec_key_listener_new (const char *bus_name,
433 const Accessibility_ControllerEventMask mask,
434 const dbus_uint32_t types,
435 const Accessibility_EventListenerMode *mode)
437 DEControllerKeyListener *key_listener = g_new0 (DEControllerKeyListener, 1);
438 key_listener->listener.bus_name = g_strdup(bus_name);
439 key_listener->listener.path = g_strdup(path);
440 key_listener->listener.type = SPI_DEVICE_TYPE_KBD;
441 key_listener->keys = keys;
442 key_listener->mask = spi_dec_translate_mask (mask);
443 key_listener->listener.types = types;
446 key_listener->mode = (Accessibility_EventListenerMode *) g_malloc(sizeof(Accessibility_EventListenerMode));
447 memcpy(key_listener->mode, mode, sizeof(*mode));
450 key_listener->mode = NULL;
453 g_print ("new listener, with mask %x, is_global %d, keys %p (%d)\n",
454 (unsigned int) key_listener->mask,
455 (int) (mode ? mode->global : 0),
456 (void *) key_listener->keys,
457 (int) (key_listener->keys ? g_slist_length(key_listener->keys) : 0));
463 static DEControllerListener *
464 spi_dec_listener_new (const char *bus_name,
468 DEControllerListener *listener = g_new0 (DEControllerListener, 1);
469 listener->bus_name = g_strdup(bus_name);
470 listener->path = g_strdup(path);
471 listener->type = SPI_DEVICE_TYPE_MOUSE;
472 listener->types = types;
476 static DEControllerListener *
477 spi_listener_clone (DEControllerListener *listener)
479 DEControllerListener *clone = g_new0 (DEControllerListener, 1);
480 clone->bus_name = g_strdup (listener->bus_name);
481 clone->path = g_strdup (listener->path);
482 clone->type = listener->type;
483 clone->types = listener->types;
487 static GSList *keylist_clone (GSList *s)
492 for (l = s; l; l = g_slist_next(l))
494 Accessibility_KeyDefinition *kd = (Accessibility_KeyDefinition *)g_malloc(sizeof(Accessibility_KeyDefinition));
497 Accessibility_KeyDefinition *kds = (Accessibility_KeyDefinition *)l->data;
498 kd->keycode = kds->keycode;
499 kd->keysym = kds->keysym;
500 kd->keystring = g_strdup(kds->keystring);
501 d = g_slist_append(d, kd);
507 static DEControllerKeyListener *
508 spi_key_listener_clone (DEControllerKeyListener *key_listener)
510 DEControllerKeyListener *clone = g_new0 (DEControllerKeyListener, 1);
511 clone->listener.bus_name = g_strdup (key_listener->listener.bus_name);
512 clone->listener.path = g_strdup (key_listener->listener.path);
513 clone->listener.type = SPI_DEVICE_TYPE_KBD;
514 clone->keys = keylist_clone (key_listener->keys);
515 clone->mask = key_listener->mask;
516 clone->listener.types = key_listener->listener.types;
517 if (key_listener->mode)
519 clone->mode = (Accessibility_EventListenerMode *)g_malloc(sizeof(Accessibility_EventListenerMode));
520 if (clone->mode) memcpy(clone->mode, key_listener->mode, sizeof(Accessibility_EventListenerMode));
527 static void keylist_free(GSList *keys)
531 for (l = keys; l; l = g_slist_next(l))
533 Accessibility_KeyDefinition *kd = (Accessibility_KeyDefinition *)l->data;
534 g_free(kd->keystring);
541 spi_key_listener_data_free (DEControllerKeyListener *key_listener)
543 keylist_free(key_listener->keys);
544 if (key_listener->mode) g_free(key_listener->mode);
545 g_free (key_listener->listener.bus_name);
546 g_free (key_listener->listener.path);
547 g_free (key_listener);
551 spi_key_listener_clone_free (DEControllerKeyListener *clone)
553 spi_key_listener_data_free (clone);
557 spi_listener_clone_free (DEControllerListener *clone)
559 g_free (clone->path);
560 g_free (clone->bus_name);
565 spi_dec_listener_free (DEControllerListener *listener)
567 if (listener->type == SPI_DEVICE_TYPE_KBD)
568 spi_key_listener_data_free ((DEControllerKeyListener *) listener);
571 g_free (listener->bus_name);
572 g_free (listener->path);
577 _register_keygrab (SpiDEController *controller,
578 DEControllerGrabMask *grab_mask)
582 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
583 spi_grab_mask_compare_values);
586 DEControllerGrabMask *cur_mask = l->data;
588 cur_mask->ref_count++;
589 if (cur_mask->pending_remove)
591 cur_mask->pending_remove = FALSE;
596 controller->keygrabs_list =
597 g_list_prepend (controller->keygrabs_list,
598 spi_grab_mask_clone (grab_mask));
603 _deregister_keygrab (SpiDEController *controller,
604 DEControllerGrabMask *grab_mask)
608 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
609 spi_grab_mask_compare_values);
613 DEControllerGrabMask *cur_mask = l->data;
615 cur_mask->ref_count--;
616 if (cur_mask->ref_count <= 0)
618 cur_mask->pending_remove = TRUE;
624 handle_keygrab (SpiDEController *controller,
625 DEControllerKeyListener *key_listener,
626 void (*process_cb) (SpiDEController *controller,
627 DEControllerGrabMask *grab_mask))
629 DEControllerGrabMask grab_mask = { 0 };
631 grab_mask.mod_mask = key_listener->mask;
632 if (g_slist_length (key_listener->keys) == 0) /* special case means AnyKey/AllKeys */
634 grab_mask.key_val = AnyKey;
636 fprintf (stderr, "AnyKey grab!");
638 process_cb (controller, &grab_mask);
644 for (l = key_listener->keys; l; l = g_slist_next(l))
646 Accessibility_KeyDefinition *keydef = l->data;
648 key_val = spi_dec_plat_get_keycode (controller, keydef->keysym, keydef->keystring, FALSE, NULL);
650 key_val = keydef->keycode;
651 grab_mask.key_val = key_val;
652 process_cb (controller, &grab_mask);
658 spi_controller_register_global_keygrabs (SpiDEController *controller,
659 DEControllerKeyListener *key_listener)
661 handle_keygrab (controller, key_listener, _register_keygrab);
662 return spi_controller_update_key_grabs (controller, NULL);
666 spi_controller_deregister_global_keygrabs (SpiDEController *controller,
667 DEControllerKeyListener *key_listener)
669 handle_keygrab (controller, key_listener, _deregister_keygrab);
670 spi_controller_update_key_grabs (controller, NULL);
674 append_keystroke_listener (DBusMessageIter *iter, DEControllerKeyListener *listener)
676 dbus_uint32_t d_uint;
677 DBusMessageIter iter_struct, iter_subarray, iter_substruct;
680 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL,
684 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING,
685 &listener->listener.bus_name);
686 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH,
687 &listener->listener.path);
688 d_uint = listener->listener.type;
689 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &d_uint);
690 d_uint = listener->listener.types;
691 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &d_uint);
692 if (!dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY,
693 "(iisi)", &iter_subarray))
695 dbus_message_iter_close_container (iter, &iter_struct);
698 for (kl = listener->keys; kl; kl = kl->next)
700 Accessibility_KeyDefinition *kd = kl->data;
701 if (!dbus_message_iter_open_container (&iter_subarray, DBUS_TYPE_STRUCT,
702 NULL, &iter_substruct))
704 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_INT32, &kd->keycode);
705 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_INT32, &kd->keysym);
706 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_STRING, &kd->keystring);
707 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_INT32, &kd->unused);
708 dbus_message_iter_close_container (&iter_subarray, &iter_substruct);
710 dbus_message_iter_close_container (&iter_struct, &iter_subarray);
711 d_uint = listener->mask;
712 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &d_uint);
713 if (dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_STRUCT,
714 NULL, &iter_substruct))
718 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
719 &listener->mode->synchronous);
720 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
721 &listener->mode->preemptive);
722 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
723 &listener->mode->global);
727 dbus_bool_t dummy_val = FALSE;
728 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
730 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
732 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
735 dbus_message_iter_close_container (&iter_struct, &iter_substruct);
737 dbus_message_iter_close_container (iter, &iter_struct);
741 notify_keystroke_listener (SpiDEController *controller,
742 DEControllerKeyListener *listener,
745 const char *path = SPI_DBUS_PATH_DEC;
746 const char *interface = SPI_DBUS_INTERFACE_DEVICE_EVENT_LISTENER;
747 const char *name = (enable
748 ? "KeystrokeListenerRegistered"
749 : "KeystrokeListenerDeregistered");
751 DBusMessageIter iter;
753 signal = dbus_message_new_signal (path, interface, name);
756 dbus_message_iter_init_append (signal, &iter);
757 append_keystroke_listener (&iter, listener);
758 dbus_connection_send (controller->bus, signal, NULL);
759 dbus_message_unref (signal);
763 append_mouse_listener (DBusMessageIter *iter, DEControllerListener *listener)
765 DBusMessageIter iter_struct;
766 dbus_uint32_t d_uint;
768 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL,
771 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING,
772 &listener->bus_name);
773 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH,
775 d_uint = listener->types;
776 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &d_uint);
777 dbus_message_iter_close_container (iter, &iter_struct);
781 notify_mouse_listener (SpiDEController *controller,
782 DEControllerListener *listener,
785 const char *path = SPI_DBUS_PATH_DEC;
786 const char *interface = SPI_DBUS_INTERFACE_DEVICE_EVENT_LISTENER;
787 const char *name = (enable
788 ? "DeviceListenerRegistered"
789 : "DeviceListenerDeregistered");
791 DBusMessageIter iter;
793 signal = dbus_message_new_signal (path, interface, name);
796 dbus_message_iter_init_append (signal, &iter);
797 append_mouse_listener (&iter, listener);
798 dbus_connection_send (controller->bus, signal, NULL);
799 dbus_message_unref (signal);
803 spi_controller_register_device_listener (SpiDEController *controller,
804 DEControllerListener *listener)
806 DEControllerKeyListener *key_listener;
809 switch (listener->type) {
810 case SPI_DEVICE_TYPE_KBD:
811 key_listener = (DEControllerKeyListener *) listener;
813 controller->key_listeners = g_list_prepend (controller->key_listeners,
815 spi_dbus_add_disconnect_match (controller->bus, key_listener->listener.bus_name);
816 if (key_listener->mode->global)
818 retval = spi_controller_register_global_keygrabs (controller, key_listener);
823 notify_keystroke_listener (controller, key_listener, TRUE);
825 case SPI_DEVICE_TYPE_MOUSE:
826 controller->mouse_listeners = g_list_prepend (controller->mouse_listeners, listener);
827 if (!have_mouse_listener)
829 have_mouse_listener = TRUE;
830 if (!have_mouse_event_listener)
831 g_timeout_add (100, spi_dec_poll_mouse_idle, controller);
833 spi_dbus_add_disconnect_match (controller->bus, listener->bus_name);
834 notify_mouse_listener (controller, listener, TRUE);
843 set_reply (DBusPendingCall *pending, void *user_data)
845 void **replyptr = (void **)user_data;
847 *replyptr = dbus_pending_call_steal_reply (pending);
850 static GSList *hung_processes = NULL;
853 reset_hung_process (DBusPendingCall *pending, void *data)
855 DBusMessage *message = data;
856 const char *dest = dbus_message_get_destination (message);
859 /* At this point we don't care about the result */
860 dbus_pending_call_unref (pending);
862 for (l = hung_processes; l; l = l->next)
864 if (!strcmp (l->data, dest))
867 hung_processes = g_slist_remove (hung_processes, l->data);
874 time_elapsed (struct timeval *origin)
878 gettimeofday (&tv, NULL);
879 return (tv.tv_sec - origin->tv_sec) * 1000 + (tv.tv_usec - origin->tv_usec) / 1000;
883 reset_hung_process_from_ping (DBusPendingCall *pending, void *data)
887 for (l = hung_processes; l; l = l->next)
889 if (!strcmp (l->data, data))
892 hung_processes = g_slist_remove (hung_processes, l->data);
897 dbus_pending_call_unref (pending);
901 send_and_allow_reentry (DBusConnection *bus, DBusMessage *message, int timeout, DBusError *error)
903 DBusPendingCall *pending;
904 DBusMessage *reply = NULL;
907 if (!dbus_connection_send_with_reply (bus, message, &pending, -1))
911 dbus_pending_call_set_notify (pending, set_reply, (void *)&reply, NULL);
912 gettimeofday (&tv, NULL);
915 if (!dbus_connection_read_write_dispatch (bus, timeout) ||
916 time_elapsed (&tv) > timeout)
918 const char *dest = dbus_message_get_destination (message);
921 dbus_message_ref (message);
922 dbus_pending_call_set_notify (pending, reset_hung_process, message,
923 (DBusFreeFunction) dbus_message_unref);
924 message = dbus_message_new_method_call (dest, "/",
925 "org.freedesktop.DBus.Peer",
929 dbus_connection_send_with_reply (bus, message, &pending, -1);
930 dbus_message_unref (message);
933 bus_name_dup = g_strdup (dest);
934 dbus_pending_call_set_notify (pending, reset_hung_process_from_ping,
936 for (l = hung_processes; l; l = l->next)
937 if (!strcmp (l->data, dest))
939 hung_processes = g_slist_prepend (hung_processes, g_strdup (dest));
943 dbus_pending_call_unref (pending);
947 Accessibility_DeviceEventListener_NotifyEvent(SpiDEController *controller,
948 SpiRegistry *registry,
949 DEControllerListener *listener,
950 const Accessibility_DeviceEvent *key_event)
952 DBusMessage *message = dbus_message_new_method_call(listener->bus_name,
954 SPI_DBUS_INTERFACE_DEVICE_EVENT_LISTENER,
956 dbus_bool_t consumed = FALSE;
958 gboolean hung = FALSE;
960 for (l = hung_processes; l; l = l->next)
962 if (!strcmp (l->data, listener->bus_name))
964 dbus_message_set_no_reply (message, TRUE);
970 if (spi_dbus_marshal_deviceEvent(message, key_event))
976 dbus_connection_send (controller->bus, message, NULL);
977 dbus_message_unref (message);
981 reply = send_and_allow_reentry (controller->bus, message, 3000, NULL);
984 dbus_message_get_args(reply, NULL, DBUS_TYPE_BOOLEAN, &consumed, DBUS_TYPE_INVALID);
985 dbus_message_unref(reply);
988 dbus_message_unref(message);
993 spi_controller_notify_mouselisteners (SpiDEController *controller,
994 const Accessibility_DeviceEvent *event)
997 GSList *notify = NULL, *l2;
998 GList **listeners = &controller->mouse_listeners;
999 gboolean is_consumed;
1000 #ifdef SPI_KEYEVENT_DEBUG
1001 gboolean found = FALSE;
1008 for (l = *listeners; l; l = l->next)
1010 DEControllerListener *listener = l->data;
1012 if (eventtype_seq_contains_event (listener->types, event))
1014 /* we clone (don't dup) the listener, to avoid refcount inc. */
1015 notify = g_slist_prepend (notify,
1016 spi_listener_clone (listener));
1017 #ifdef SPI_KEYEVENT_DEBUG
1023 #ifdef SPI_KEYEVENT_DEBUG
1026 g_print ("no match for event\n");
1030 is_consumed = FALSE;
1031 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
1033 DEControllerListener *listener = l2->data;
1035 is_consumed = Accessibility_DeviceEventListener_NotifyEvent (controller, controller->registry, listener, event);
1037 spi_listener_clone_free ((DEControllerListener *) l2->data);
1040 for (; l2; l2 = l2->next)
1042 DEControllerListener *listener = l2->data;
1043 spi_listener_clone_free (listener);
1044 /* clone doesn't have its own ref, so don't use spi_device_listener_free */
1047 g_slist_free (notify);
1050 if (is_consumed) g_message ("consumed\n");
1056 key_set_contains_key (GSList *key_set,
1057 const Accessibility_DeviceEvent *key_event)
1066 g_print ("null key set!\n");
1071 len = g_slist_length (key_set);
1073 if (len == 0) /* special case, means "all keys/any key" */
1076 g_print ("anykey\n");
1081 for (l = key_set,i = 0; l; l = g_slist_next(l),i++)
1083 Accessibility_KeyDefinition *kd = l->data;
1084 #ifdef SPI_KEYEVENT_DEBUG
1085 g_print ("key_set[%d] event = %d, code = %d; key_event %d, code %d, string %s\n",
1089 (int) key_event->id,
1090 (int) key_event->hw_code,
1091 key_event->event_string);
1093 if (kd->keysym == (dbus_uint32_t) key_event->id)
1097 if (kd->keycode == (dbus_uint32_t) key_event->hw_code)
1101 if (key_event->event_string && key_event->event_string[0] &&
1102 !strcmp (kd->keystring, key_event->event_string))
1112 eventtype_seq_contains_event (dbus_uint32_t types,
1113 const Accessibility_DeviceEvent *event)
1115 if (types == 0) /* special case, means "all events/any event" */
1120 return (types & (1 << event->type));
1124 spi_key_event_matches_listener (const Accessibility_DeviceEvent *key_event,
1125 DEControllerKeyListener *listener,
1126 dbus_bool_t is_system_global)
1128 if (((key_event->modifiers & 0xFF) == (dbus_uint16_t) (listener->mask & 0xFF)) &&
1129 key_set_contains_key (listener->keys, key_event) &&
1130 eventtype_seq_contains_event (listener->listener.types, key_event) &&
1131 (is_system_global == listener->mode->global))
1142 spi_controller_notify_keylisteners (SpiDEController *controller,
1143 Accessibility_DeviceEvent *key_event,
1144 dbus_bool_t is_system_global)
1147 GSList *notify = NULL, *l2;
1148 GList **key_listeners = &controller->key_listeners;
1149 gboolean is_consumed;
1156 /* set the NUMLOCK event mask bit if appropriate: see bug #143702 */
1157 if (key_event->modifiers & _numlock_physical_mask)
1158 key_event->modifiers |= SPI_KEYMASK_NUMLOCK;
1160 for (l = *key_listeners; l; l = l->next)
1162 DEControllerKeyListener *key_listener = l->data;
1164 if (spi_key_event_matches_listener (key_event, key_listener, is_system_global))
1166 /* we clone (don't dup) the listener, to avoid refcount inc. */
1167 notify = g_slist_prepend (notify,
1168 spi_key_listener_clone (key_listener));
1172 #ifdef SPI_KEYEVENT_DEBUG
1175 g_print ("no match for event\n");
1179 is_consumed = FALSE;
1180 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
1182 DEControllerKeyListener *key_listener = l2->data;
1184 is_consumed = Accessibility_DeviceEventListener_NotifyEvent (controller, controller->registry, &key_listener->listener, key_event) &&
1185 key_listener->mode->preemptive;
1187 spi_key_listener_clone_free (key_listener);
1190 for (; l2; l2 = l2->next)
1192 DEControllerKeyListener *key_listener = l2->data;
1193 spi_key_listener_clone_free (key_listener);
1194 /* clone doesn't have its own ref, so don't use spi_dec_listener_free */
1197 g_slist_free (notify);
1200 if (is_consumed) g_message ("consumed\n");
1206 spi_clear_error_state (void)
1208 gboolean retval = spi_error_code != 0;
1214 spi_controller_update_key_grabs (SpiDEController *controller,
1215 Accessibility_DeviceEvent *recv)
1218 gboolean update_failed = FALSE;
1221 g_return_val_if_fail (controller != NULL, FALSE);
1224 * masks known to work with default RH 7.1+:
1225 * 0 (no mods), LockMask, Mod1Mask, Mod2Mask, ShiftMask,
1226 * ShiftMask|LockMask, Mod1Mask|LockMask, Mod2Mask|LockMask,
1227 * ShiftMask|Mod1Mask, ShiftMask|Mod2Mask, Mod1Mask|Mod2Mask,
1228 * ShiftMask|LockMask|Mod1Mask, ShiftMask|LockMask|Mod2Mask,
1230 * ControlMask grabs are broken, must be in use already
1233 keycode = spi_dec_plat_get_keycode (controller, recv->id, NULL, TRUE, NULL);
1234 for (l = controller->keygrabs_list; l; l = next)
1237 gboolean re_issue_grab;
1238 DEControllerGrabMask *grab_mask = l->data;
1242 re_issue_grab = recv &&
1243 (recv->modifiers & grab_mask->mod_mask) &&
1244 (grab_mask->key_val == keycode);
1247 fprintf (stderr, "mask=%lx %lx (%c%c) %s\n",
1248 (long int) grab_mask->key_val,
1249 (long int) grab_mask->mod_mask,
1250 grab_mask->pending_add ? '+' : '.',
1251 grab_mask->pending_remove ? '-' : '.',
1252 re_issue_grab ? "re-issue": "");
1257 if (grab_mask->pending_add && grab_mask->pending_remove)
1261 else if (grab_mask->pending_remove)
1264 fprintf (stderr, "ungrabbing, mask=%x\n", grab_mask->mod_mask);
1266 spi_dec_plat_ungrab_key (controller,
1268 grab_mask->mod_mask);
1272 else if (grab_mask->pending_add || re_issue_grab)
1276 fprintf (stderr, "grab %d with mask %x\n", grab_mask->key_val, grab_mask->mod_mask);
1278 update_failed = spi_dec_plat_grab_key (controller,
1280 grab_mask->mod_mask);
1281 if (update_failed) {
1282 while (grab_mask->ref_count > 0) --grab_mask->ref_count;
1287 grab_mask->pending_add = FALSE;
1288 grab_mask->pending_remove = FALSE;
1292 g_assert (grab_mask->ref_count <= 0);
1294 controller->keygrabs_list = g_list_delete_link (
1295 controller->keygrabs_list, l);
1297 spi_grab_mask_free (grab_mask);
1302 return ! update_failed;
1306 * Implemented GObject::finalize
1309 spi_device_event_controller_object_finalize (GObject *object)
1311 SpiDEController *controller;
1312 GObjectClass *parent_class = G_OBJECT_CLASS(spi_device_event_controller_parent_class);
1313 SpiDEControllerClass *klass;
1315 controller = SPI_DEVICE_EVENT_CONTROLLER (object);
1316 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
1318 fprintf(stderr, "spi_device_event_controller_object_finalize called\n");
1320 if (klass->plat.finalize)
1321 klass->plat.finalize (controller);
1323 parent_class->finalize (object);
1327 * DBus Accessibility::DEController::RegisterKeystrokeListener
1328 * method implementation
1330 static DBusMessage *
1331 impl_register_keystroke_listener (DBusConnection *bus,
1332 DBusMessage *message,
1335 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1336 DEControllerKeyListener *dec_listener;
1337 DBusMessageIter iter, iter_array;
1339 GSList *keys = NULL;
1340 dbus_int32_t mask, type;
1341 Accessibility_EventListenerMode *mode;
1343 DBusMessage *reply = NULL;
1346 if (strcmp (dbus_message_get_signature (message), "oa(iisi)uu(bbb)") != 0)
1347 return invalid_arguments_error (message);
1349 dbus_message_iter_init(message, &iter);
1350 dbus_message_iter_get_basic(&iter, &path);
1351 dbus_message_iter_next(&iter);
1352 dbus_message_iter_recurse(&iter, &iter_array);
1353 while (dbus_message_iter_get_arg_type(&iter_array) != DBUS_TYPE_INVALID)
1355 Accessibility_KeyDefinition *kd = (Accessibility_KeyDefinition *)g_malloc(sizeof(Accessibility_KeyDefinition));
1356 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))
1360 kd->keystring = g_strdup (keystring);
1361 keys = g_slist_append(keys, kd);
1363 dbus_message_iter_next(&iter);
1364 dbus_message_iter_get_basic(&iter, &mask);
1365 dbus_message_iter_next(&iter);
1366 dbus_message_iter_get_basic(&iter, &type);
1367 dbus_message_iter_next(&iter);
1368 mode = (Accessibility_EventListenerMode *)g_malloc(sizeof(Accessibility_EventListenerMode));
1371 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);
1374 fprintf (stderr, "registering keystroke listener %s:%s with maskVal %lu\n",
1375 dbus_message_get_sender(message), path, (unsigned long) mask);
1377 dec_listener = spi_dec_key_listener_new (dbus_message_get_sender(message), path, keys, mask, type, mode);
1379 ret = spi_controller_register_device_listener (
1380 controller, (DEControllerListener *) dec_listener);
1381 reply = dbus_message_new_method_return (message);
1384 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &ret, DBUS_TYPE_INVALID);
1390 * DBus Accessibility::DEController::RegisterDeviceEventListener
1391 * method implementation
1393 static DBusMessage *
1394 impl_register_device_event_listener (DBusConnection *bus,
1395 DBusMessage *message,
1398 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1399 DEControllerListener *dec_listener;
1401 dbus_int32_t event_types;
1403 DBusMessage *reply = NULL;
1405 if (!dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_UINT32, &event_types, DBUS_TYPE_INVALID))
1407 return invalid_arguments_error (message);
1409 dec_listener = spi_dec_listener_new (dbus_message_get_sender(message), path, event_types);
1410 ret = spi_controller_register_device_listener (
1411 controller, (DEControllerListener *) dec_listener);
1412 reply = dbus_message_new_method_return (message);
1415 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &ret, DBUS_TYPE_INVALID);
1421 DBusConnection *bus;
1422 DEControllerListener *listener;
1423 } RemoveListenerClosure;
1425 static SpiReEntrantContinue
1426 remove_listener_cb (GList * const *list,
1429 DEControllerListener *listener = (*list)->data;
1430 RemoveListenerClosure *ctx = user_data;
1432 if (!strcmp(ctx->listener->bus_name, listener->bus_name) &&
1433 !strcmp(ctx->listener->path, listener->path))
1435 spi_re_entrant_list_delete_link (list);
1436 spi_dbus_remove_disconnect_match (ctx->bus, listener->bus_name);
1437 spi_dec_listener_free (listener);
1440 return SPI_RE_ENTRANT_CONTINUE;
1443 static SpiReEntrantContinue
1444 copy_key_listener_cb (GList * const *list,
1447 DEControllerKeyListener *key_listener = (*list)->data;
1448 RemoveListenerClosure *ctx = user_data;
1450 if (!strcmp(ctx->listener->bus_name, key_listener->listener.bus_name) &&
1451 !strcmp(ctx->listener->path, key_listener->listener.path))
1453 /* TODO: FIXME aggregate keys in case the listener is registered twice */
1454 DEControllerKeyListener *ctx_key_listener =
1455 (DEControllerKeyListener *) ctx->listener;
1456 keylist_free (ctx_key_listener->keys);
1457 ctx_key_listener->keys = keylist_clone(key_listener->keys);
1460 return SPI_RE_ENTRANT_CONTINUE;
1464 spi_controller_deregister_device_listener (SpiDEController *controller,
1465 DEControllerListener *listener)
1467 RemoveListenerClosure ctx;
1469 ctx.bus = controller->bus;
1470 ctx.listener = listener;
1472 notify_mouse_listener (controller, listener, FALSE);
1474 spi_re_entrant_list_foreach (&controller->mouse_listeners,
1475 remove_listener_cb, &ctx);
1476 if (!controller->mouse_listeners)
1477 have_mouse_listener = FALSE;
1481 spi_deregister_controller_key_listener (SpiDEController *controller,
1482 DEControllerKeyListener *key_listener)
1484 RemoveListenerClosure ctx;
1486 ctx.bus = controller->bus;
1487 ctx.listener = (DEControllerListener *) spi_key_listener_clone (key_listener);
1489 notify_keystroke_listener (controller, key_listener, FALSE);
1491 /* special case, copy keyset from existing controller list entry */
1492 if (g_slist_length(key_listener->keys) == 0)
1494 spi_re_entrant_list_foreach (&controller->key_listeners,
1495 copy_key_listener_cb, &ctx);
1498 spi_controller_deregister_global_keygrabs (controller, key_listener);
1500 spi_re_entrant_list_foreach (&controller->key_listeners,
1501 remove_listener_cb, &ctx);
1503 spi_key_listener_clone_free ((DEControllerKeyListener *) ctx.listener);
1507 spi_remove_device_listeners (SpiDEController *controller, const char *bus_name)
1511 for (l = controller->mouse_listeners; l; l = tmp)
1513 DEControllerListener *listener = l->data;
1515 if (!strcmp (listener->bus_name, bus_name))
1517 spi_controller_deregister_device_listener (controller, listener);
1518 tmp = controller->mouse_listeners;
1521 for (l = controller->key_listeners; l; l = tmp)
1523 DEControllerKeyListener *key_listener = l->data;
1525 if (!strcmp (key_listener->listener.bus_name, bus_name))
1527 /* TODO: untangle the below line(s) */
1528 spi_deregister_controller_key_listener (controller, key_listener);
1529 tmp = controller->key_listeners;
1535 * DBus Accessibility::DEController::DeregisterKeystrokeListener
1536 * method implementation
1538 static DBusMessage *
1539 impl_deregister_keystroke_listener (DBusConnection *bus,
1540 DBusMessage *message,
1543 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1544 DEControllerKeyListener *key_listener;
1545 DBusMessageIter iter, iter_array;
1547 GSList *keys = NULL;
1548 dbus_int32_t mask, type;
1549 DBusMessage *reply = NULL;
1551 dbus_message_iter_init(message, &iter);
1552 if (strcmp (dbus_message_get_signature (message), "oa(iisi)uu") != 0)
1554 g_warning ("Received DeregisterKeystrokeListener with strange signature '%s'", dbus_message_get_signature (message));
1555 return invalid_arguments_error (message);
1558 dbus_message_iter_get_basic(&iter, &path);
1559 dbus_message_iter_next(&iter);
1560 dbus_message_iter_recurse(&iter, &iter_array);
1561 while (dbus_message_iter_get_arg_type(&iter_array) != DBUS_TYPE_INVALID)
1563 Accessibility_KeyDefinition *kd = (Accessibility_KeyDefinition *)g_malloc(sizeof(Accessibility_KeyDefinition));
1566 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))
1570 kd->keystring = g_strdup (keystring);
1571 keys = g_slist_append(keys, kd);
1573 dbus_message_iter_next(&iter);
1574 dbus_message_iter_get_basic(&iter, &mask);
1575 dbus_message_iter_next(&iter);
1576 dbus_message_iter_get_basic(&iter, &type);
1577 dbus_message_iter_next(&iter);
1578 key_listener = spi_dec_key_listener_new (dbus_message_get_sender(message), path, keys, mask, type, NULL);
1579 #ifdef SPI_DEREGISTER_DEBUG
1580 fprintf (stderr, "deregistering keystroke listener %p with maskVal %lu\n",
1581 (void *) l, (unsigned long) mask->value);
1584 spi_deregister_controller_key_listener (controller, key_listener);
1586 spi_dec_listener_free ((DEControllerListener *) key_listener);
1587 reply = dbus_message_new_method_return (message);
1592 * DBus Accessibility::DEController::DeregisterDeviceEventListener
1593 * method implementation
1595 static DBusMessage *
1596 impl_deregister_device_event_listener (DBusConnection *bus,
1597 DBusMessage *message,
1600 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1601 DEControllerListener *listener;
1603 dbus_int32_t event_types;
1604 DBusMessage *reply = NULL;
1606 if (!dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_UINT32, &event_types, DBUS_TYPE_INVALID))
1608 return invalid_arguments_error (message);
1610 listener = spi_dec_listener_new (dbus_message_get_sender(message), path, event_types);
1611 spi_controller_deregister_device_listener (
1612 controller, listener);
1613 reply = dbus_message_new_method_return (message);
1617 static DBusMessage *
1618 impl_get_keystroke_listeners (DBusConnection *bus,
1619 DBusMessage *message,
1622 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1623 DBusMessageIter iter, iter_array;
1624 DBusMessage *reply = dbus_message_new_method_return (message);
1630 dbus_message_iter_init_append (reply, &iter);
1631 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY,
1632 "(souua(iisi)u(bbb))", &iter_array);
1633 for (l = controller->key_listeners; l; l = l->next)
1635 append_keystroke_listener (&iter_array, l->data);
1637 dbus_message_iter_close_container (&iter, &iter_array);
1641 static DBusMessage *
1642 impl_get_device_event_listeners (DBusConnection *bus,
1643 DBusMessage *message,
1646 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1647 DBusMessageIter iter, iter_array;
1649 DBusMessage *reply = dbus_message_new_method_return (message);
1654 dbus_message_iter_init_append (reply, &iter);
1655 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY,
1656 "(sou)", &iter_array);
1657 for (l = controller->key_listeners; l; l = l->next)
1659 append_mouse_listener (&iter_array, l->data);
1661 dbus_message_iter_close_container (&iter, &iter_array);
1666 get_modifier_state (SpiDEController *controller)
1668 return mouse_mask_state;
1672 spi_dec_synth_keysym (SpiDEController *controller, long keysym)
1674 long key_synth_code;
1675 unsigned int modifiers, synth_mods, lock_mods;
1677 key_synth_code = spi_dec_plat_get_keycode (controller, keysym, NULL, TRUE, &synth_mods);
1679 if ((key_synth_code == 0) || (synth_mods == 0xFF)) return FALSE;
1681 /* TODO: set the modifiers accordingly! */
1682 modifiers = get_modifier_state (controller);
1683 /* side-effect; we may unset mousebutton modifiers here! */
1686 if (synth_mods != modifiers) {
1687 lock_mods = synth_mods & ~modifiers;
1688 spi_dec_plat_lock_modifiers (controller, lock_mods);
1690 spi_dec_plat_synth_keycode_press (controller, key_synth_code);
1691 spi_dec_plat_synth_keycode_release (controller, key_synth_code);
1693 if (synth_mods != modifiers)
1694 spi_dec_plat_unlock_modifiers (controller, lock_mods);
1701 * DBus Accessibility::DEController::RegisterKeystrokeListener
1702 * method implementation
1704 static DBusMessage *
1705 impl_generate_keyboard_event (DBusConnection *bus, DBusMessage *message, void *user_data)
1707 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1708 dbus_int32_t keycode;
1710 dbus_uint32_t synth_type;
1711 DBusMessage *reply = NULL;
1713 if (!dbus_message_get_args(message, NULL, DBUS_TYPE_INT32, &keycode, DBUS_TYPE_STRING, &keystring, DBUS_TYPE_UINT32, &synth_type, DBUS_TYPE_INVALID))
1715 return invalid_arguments_error (message);
1719 fprintf (stderr, "synthesizing keystroke %ld, type %d\n",
1720 (long) keycode, (int) synth_type);
1722 /* TODO: hide/wrap/remove X dependency */
1725 * TODO: when initializing, query for XTest extension before using,
1726 * and fall back to XSendEvent() if XTest is not available.
1731 case Accessibility_KEY_PRESS:
1732 spi_dec_plat_synth_keycode_press (controller, keycode);
1734 case Accessibility_KEY_PRESSRELEASE:
1735 spi_dec_plat_synth_keycode_press (controller, keycode);
1736 case Accessibility_KEY_RELEASE:
1737 spi_dec_plat_synth_keycode_release (controller, keycode);
1739 case Accessibility_KEY_SYM:
1740 #ifdef SPI_XKB_DEBUG
1741 fprintf (stderr, "KeySym synthesis\n");
1744 * note: we are using long for 'keycode'
1745 * in our arg list; it can contain either
1746 * a keycode or a keysym.
1748 spi_dec_synth_keysym (controller, (KeySym) keycode);
1750 case Accessibility_KEY_STRING:
1751 if (!spi_dec_plat_synth_keystring (controller, synth_type, keycode, keystring))
1752 fprintf (stderr, "Keystring synthesis failure, string=%s\n",
1756 reply = dbus_message_new_method_return (message);
1760 /* Accessibility::DEController::GenerateMouseEvent */
1761 static DBusMessage *
1762 impl_generate_mouse_event (DBusConnection *bus, DBusMessage *message, void *user_data)
1767 DBusMessage *reply = NULL;
1769 if (!dbus_message_get_args(message, NULL, DBUS_TYPE_INT32, &x, DBUS_TYPE_INT32, &y, DBUS_TYPE_STRING, &eventName, DBUS_TYPE_INVALID))
1771 return invalid_arguments_error (message);
1775 fprintf (stderr, "generating mouse %s event at %ld, %ld\n",
1776 eventName, (long int) x, (long int) y);
1778 spi_dec_plat_generate_mouse_event (saved_controller, x, y, eventName);
1779 reply = dbus_message_new_method_return (message);
1783 /* Accessibility::DEController::NotifyListenersSync */
1784 static DBusMessage *
1785 impl_notify_listeners_sync (DBusConnection *bus, DBusMessage *message, void *user_data)
1787 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1788 Accessibility_DeviceEvent event;
1790 DBusMessage *reply = NULL;
1792 if (!spi_dbus_demarshal_deviceEvent(message, &event))
1794 return invalid_arguments_error (message);
1797 g_print ("notifylistening listeners synchronously: controller %p, event id %d\n",
1798 controller, (int) event.id);
1800 ret = spi_controller_notify_keylisteners (controller,
1801 (Accessibility_DeviceEvent *)
1804 reply = dbus_message_new_method_return (message);
1807 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &ret, DBUS_TYPE_INVALID);
1812 static DBusMessage *
1813 impl_notify_listeners_async (DBusConnection *bus, DBusMessage *message, void *user_data)
1815 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER(user_data);
1816 Accessibility_DeviceEvent event;
1817 DBusMessage *reply = NULL;
1819 if (!spi_dbus_demarshal_deviceEvent(message, &event))
1821 return invalid_arguments_error (message);
1824 g_print ("notifylistening listeners asynchronously: controller %p, event id %d\n",
1825 controller, (int) event.id);
1827 spi_controller_notify_keylisteners (controller, (Accessibility_DeviceEvent *)
1829 reply = dbus_message_new_method_return (message);
1834 spi_device_event_controller_class_init (SpiDEControllerClass *klass)
1836 GObjectClass * object_class = (GObjectClass *) klass;
1838 spi_device_event_controller_parent_class = g_type_class_peek_parent (klass);
1840 object_class->finalize = spi_device_event_controller_object_finalize;
1843 if (g_getenv ("DISPLAY"))
1844 spi_dec_setup_x11 (klass);
1847 g_type_class_add_private (object_class, sizeof (long)); /* dummy */
1851 spi_device_event_controller_init (SpiDEController *device_event_controller)
1853 SpiDEControllerClass *klass;
1854 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (device_event_controller);
1856 /* TODO: shouldn't be gpointer below */
1857 device_event_controller->priv = G_TYPE_INSTANCE_GET_PRIVATE (device_event_controller,
1858 SPI_DEVICE_EVENT_CONTROLLER_TYPE,
1860 device_event_controller->message_queue = g_queue_new ();
1861 saved_controller = device_event_controller;
1863 if (klass->plat.init)
1864 klass->plat.init (device_event_controller);
1868 /*---------------------------------------------------------------------------*/
1870 static const char *introspection_header =
1871 "<?xml version=\"1.0\"?>\n";
1873 static const char *introspection_node_element =
1874 "<node name=\"%s\">\n";
1876 static const char *introspection_footer =
1879 static DBusMessage *
1880 impl_Introspect (DBusConnection * bus,
1881 DBusMessage * message, void *user_data)
1886 const gchar *pathstr = SPI_DBUS_PATH_DEC;
1890 output = g_string_new(introspection_header);
1892 g_string_append_printf(output, introspection_node_element, pathstr);
1894 g_string_append (output, spi_org_a11y_atspi_DeviceEventController);
1896 g_string_append(output, introspection_footer);
1897 final = g_string_free(output, FALSE);
1899 reply = dbus_message_new_method_return (message);
1900 dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
1906 /*---------------------------------------------------------------------------*/
1909 handle_dec_method_from_idle (DBusConnection *bus, DBusMessage *message, void *user_data)
1911 const gchar *iface = dbus_message_get_interface (message);
1912 const gchar *member = dbus_message_get_member (message);
1913 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1914 DBusMessage *reply = NULL;
1916 if (!strcmp (iface, SPI_DBUS_INTERFACE_DEC))
1918 result = DBUS_HANDLER_RESULT_HANDLED;
1919 if (!strcmp (member, "RegisterKeystrokeListener"))
1920 reply = impl_register_keystroke_listener (bus, message, user_data);
1921 else if (!strcmp (member, "RegisterDeviceEventListener"))
1922 reply = impl_register_device_event_listener (bus, message, user_data);
1923 else if (!strcmp (member, "DeregisterKeystrokeListener"))
1924 reply = impl_deregister_keystroke_listener (bus, message, user_data);
1925 else if (!strcmp (member, "DeregisterDeviceEventListener"))
1926 reply = impl_deregister_device_event_listener (bus, message, user_data);
1927 else if (!strcmp (member, "GetKeystrokeListeners"))
1928 reply = impl_get_keystroke_listeners (bus, message, user_data);
1929 else if (!strcmp (member, "GetDeviceEventListeners"))
1930 reply = impl_get_device_event_listeners (bus, message, user_data);
1931 else if (!strcmp (member, "GenerateKeyboardEvent"))
1932 reply = impl_generate_keyboard_event (bus, message, user_data);
1933 else if (!strcmp (member, "GenerateMouseEvent"))
1934 reply = impl_generate_mouse_event (bus, message, user_data);
1935 else if (!strcmp (member, "NotifyListenersSync"))
1936 reply = impl_notify_listeners_sync (bus, message, user_data);
1937 else if (!strcmp (member, "NotifyListenersAsync"))
1938 reply = impl_notify_listeners_async (bus, message, user_data);
1940 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1943 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1945 result = DBUS_HANDLER_RESULT_HANDLED;
1946 if (!strcmp (member, "Introspect"))
1947 reply = impl_Introspect (bus, message, user_data);
1949 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1952 if (result == DBUS_HANDLER_RESULT_HANDLED)
1956 reply = dbus_message_new_method_return (message);
1959 dbus_connection_send (bus, reply, NULL);
1960 dbus_message_unref (reply);
1965 message_queue_dispatch (gpointer data)
1967 saved_controller->message_queue_idle = 0;
1968 while (!g_queue_is_empty (saved_controller->message_queue))
1970 DBusMessage *message = g_queue_pop_head (saved_controller->message_queue);
1971 data = g_queue_pop_head (saved_controller->message_queue);
1972 handle_dec_method_from_idle (saved_controller->bus, message, data);
1973 dbus_message_unref (message);
1978 static DBusHandlerResult
1979 handle_dec_method (DBusConnection *bus, DBusMessage *message, void *user_data)
1981 const gchar *iface = dbus_message_get_interface (message);
1982 const gchar *member = dbus_message_get_member (message);
1983 const gint type = dbus_message_get_type (message);
1985 /* Check for basic reasons not to handle */
1986 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1989 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1991 dbus_message_ref (message);
1992 g_queue_push_tail (saved_controller->message_queue, message);
1993 g_queue_push_tail (saved_controller->message_queue, user_data);
1994 if (!saved_controller->message_queue_idle)
1995 saved_controller->message_queue_idle = g_idle_add (message_queue_dispatch, NULL);
1996 return DBUS_HANDLER_RESULT_HANDLED;
1999 static DBusObjectPathVTable dec_vtable =
2003 NULL, NULL, NULL, NULL
2007 spi_registry_dec_new (SpiRegistry *reg, DBusConnection *bus)
2009 SpiDEController *dec = g_object_new (SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL);
2011 dec->registry = g_object_ref (reg);
2012 reg->dec = g_object_ref (dec);
2015 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_DEC, &dec_vtable, dec);
2021 spi_device_event_controller_start_poll_mouse (SpiRegistry *registry)
2023 if (!have_mouse_event_listener)
2025 have_mouse_event_listener = TRUE;
2026 if (!have_mouse_listener)
2027 g_timeout_add (100, spi_dec_poll_mouse_idle, registry->dec);
2032 spi_device_event_controller_stop_poll_mouse (void)
2034 have_mouse_event_listener = FALSE;