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
36 #include <bonobo/bonobo-exception.h>
39 #include <X11/extensions/XTest.h>
40 #include <X11/XKBlib.h>
43 #include <X11/keysymdef.h>
46 #include <X11/Xproto.h>
48 #include <X11/extensions/Xevie.h>
49 #endif /* HAVE_XEVIE */
52 #include <gdk/gdkx.h> /* TODO: hide dependency (wrap in single porting file) */
53 #include <gdk/gdkkeysyms.h>
54 #include <gdk/gdkwindow.h>
56 #include "../libspi/spi-private.h"
57 #include "deviceeventcontroller.h"
59 KeySym ucs2keysym (long ucs);
60 long keysym2ucs(KeySym keysym);
62 #define CHECK_RELEASE_DELAY 20
63 #define BIT(c, x) (c[x/8]&(1<<(x%8)))
64 static guint check_release_handler = 0;
65 static Accessibility_DeviceEvent pressed_event;
66 static SpiDEController *saved_controller;
67 static void wait_for_release_event (XEvent *event, SpiDEController *controller);
69 /* Our parent Gtk object type */
70 #define PARENT_TYPE BONOBO_TYPE_OBJECT
72 /* A pointer to our parent object class */
73 static GObjectClass *spi_device_event_controller_parent_class;
74 static int spi_error_code = 0;
75 static GdkPoint last_mouse_pos_static = {0, 0};
76 static GdkPoint *last_mouse_pos = &last_mouse_pos_static;
77 static unsigned int mouse_mask_state = 0;
78 static unsigned int mouse_button_mask =
79 Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
80 static unsigned int key_modifier_mask =
81 Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask | ShiftMask | LockMask | ControlMask | SPI_KEYMASK_NUMLOCK;
82 static unsigned int _numlock_physical_mask = Mod2Mask; /* a guess, will be reset */
84 static GQuark spi_dec_private_quark = 0;
86 int (*x_default_error_handler) (Display *display, XErrorEvent *error_event);
90 SPI_DEVICE_TYPE_MOUSE,
91 SPI_DEVICE_TYPE_LAST_DEFINED
92 } SpiDeviceTypeCategory;
96 guint pending_add : 1;
97 guint pending_remove : 1;
99 Accessibility_ControllerEventMask mod_mask;
100 CORBA_unsigned_long key_val; /* KeyCode */
101 } DEControllerGrabMask;
105 SpiDeviceTypeCategory type;
106 Accessibility_EventTypeSeq *typeseq;
107 } DEControllerListener;
110 DEControllerListener listener;
112 Accessibility_KeySet *keys;
113 Accessibility_ControllerEventMask mask;
114 Accessibility_EventListenerMode *mode;
115 } DEControllerKeyListener;
118 unsigned int last_press_keycode;
119 unsigned int last_release_keycode;
120 struct timeval last_press_time;
121 struct timeval last_release_time;
123 int xkb_major_extension_opcode;
124 int xkb_base_event_code;
125 int xkb_base_error_code;
126 unsigned int xkb_latch_mask;
127 unsigned int pending_xkb_mod_relatch_mask;
129 KeyCode reserved_keycode;
130 KeySym reserved_keysym;
131 guint reserved_reset_timeout;
132 } DEControllerPrivateData;
134 static void spi_controller_register_with_devices (SpiDEController *controller);
135 static gboolean spi_controller_update_key_grabs (SpiDEController *controller,
136 Accessibility_DeviceEvent *recv);
137 static gboolean spi_controller_register_device_listener (SpiDEController *controller,
138 DEControllerListener *l,
139 CORBA_Environment *ev);
140 static gboolean spi_device_event_controller_forward_key_event (SpiDEController *controller,
141 const XEvent *event);
142 static void spi_deregister_controller_device_listener (SpiDEController *controller,
143 DEControllerListener *listener,
144 CORBA_Environment *ev);
145 static void spi_deregister_controller_key_listener (SpiDEController *controller,
146 DEControllerKeyListener *key_listener,
147 CORBA_Environment *ev);
148 static gboolean spi_controller_notify_mouselisteners (SpiDEController *controller,
149 const Accessibility_DeviceEvent *event,
150 CORBA_Environment *ev);
152 static gboolean spi_eventtype_seq_contains_event (Accessibility_EventTypeSeq *type_seq,
153 const Accessibility_DeviceEvent *event);
154 static gboolean spi_clear_error_state (void);
155 static gboolean spi_dec_poll_mouse_moved (gpointer data);
156 static gboolean spi_dec_poll_mouse_moving (gpointer data);
157 static gboolean spi_dec_poll_mouse_idle (gpointer data);
159 #define spi_get_display() GDK_DISPLAY()
161 /* Private methods */
164 keysym_mod_mask (KeySym keysym, KeyCode keycode)
166 /* we really should use XKB and look directly at the keymap */
167 /* this is very inelegant */
168 Display *display = spi_get_display ();
169 unsigned int mods_rtn = 0;
170 unsigned int retval = 0;
173 if (XkbLookupKeySym (display, keycode, 0, &mods_rtn, &sym_rtn) &&
174 (sym_rtn == keysym)) {
177 else if (XkbLookupKeySym (display, keycode, ShiftMask, &mods_rtn, &sym_rtn) &&
178 (sym_rtn == keysym)) {
181 else if (XkbLookupKeySym (display, keycode, Mod2Mask, &mods_rtn, &sym_rtn) &&
182 (sym_rtn == keysym)) {
185 else if (XkbLookupKeySym (display, keycode, Mod3Mask, &mods_rtn, &sym_rtn) &&
186 (sym_rtn == keysym)) {
189 else if (XkbLookupKeySym (display, keycode,
190 ShiftMask | Mod2Mask, &mods_rtn, &sym_rtn) &&
191 (sym_rtn == keysym)) {
192 retval = (Mod2Mask | ShiftMask);
194 else if (XkbLookupKeySym (display, keycode,
195 ShiftMask | Mod3Mask, &mods_rtn, &sym_rtn) &&
196 (sym_rtn == keysym)) {
197 retval = (Mod3Mask | ShiftMask);
199 else if (XkbLookupKeySym (display, keycode,
200 ShiftMask | Mod4Mask, &mods_rtn, &sym_rtn) &&
201 (sym_rtn == keysym)) {
202 retval = (Mod4Mask | ShiftMask);
210 spi_dec_replace_map_keysym (DEControllerPrivateData *priv, KeyCode keycode, KeySym keysym)
213 Display *dpy = spi_get_display ();
215 if (!(desc = XkbGetMap (dpy, XkbAllMapComponentsMask, XkbUseCoreKbd)))
217 fprintf (stderr, "ERROR getting map\n");
221 if (desc && desc->map)
223 gint offset = desc->map->key_sym_map[keycode].offset;
224 desc->map->syms[offset] = keysym;
228 fprintf (stderr, "Error changing key map: empty server structure\n");
230 XkbSetMap (dpy, XkbAllMapComponentsMask, desc);
232 * FIXME: the use of XkbChangeMap, and the reuse of the priv->xkb_desc structure,
233 * would be far preferable.
234 * HOWEVER it does not seem to work using XFree 4.3.
236 /* XkbChangeMap (dpy, priv->xkb_desc, priv->changes); */
239 XkbFreeKeyboard (desc, 0, TRUE);
248 spi_dec_reset_reserved (gpointer data)
250 DEControllerPrivateData *priv = data;
251 spi_dec_replace_map_keysym (priv, priv->reserved_keycode, priv->reserved_keysym);
252 priv->reserved_reset_timeout = 0;
257 keycode_for_keysym (SpiDEController *controller, long keysym, unsigned int *modmask)
260 keycode = XKeysymToKeycode (spi_get_display (), (KeySym) keysym);
263 DEControllerPrivateData *priv = (DEControllerPrivateData *)
264 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
265 /* if there's no keycode available, fix it */
266 if (spi_dec_replace_map_keysym (priv, priv->reserved_keycode, keysym))
268 keycode = priv->reserved_keycode;
270 * queue a timer to restore the old keycode. Ugly, but required
271 * due to races / asynchronous X delivery.
272 * Long-term fix is to extend the X keymap here instead of replace entries.
274 priv->reserved_reset_timeout = g_timeout_add (500, spi_dec_reset_reserved, priv);
280 *modmask = keysym_mod_mask (keysym, keycode);
284 static DEControllerGrabMask *
285 spi_grab_mask_clone (DEControllerGrabMask *grab_mask)
287 DEControllerGrabMask *clone = g_new (DEControllerGrabMask, 1);
289 memcpy (clone, grab_mask, sizeof (DEControllerGrabMask));
291 clone->ref_count = 1;
292 clone->pending_add = TRUE;
293 clone->pending_remove = FALSE;
299 spi_grab_mask_free (DEControllerGrabMask *grab_mask)
305 spi_grab_mask_compare_values (gconstpointer p1, gconstpointer p2)
307 DEControllerGrabMask *l1 = (DEControllerGrabMask *) p1;
308 DEControllerGrabMask *l2 = (DEControllerGrabMask *) p2;
316 return ((l1->mod_mask != l2->mod_mask) || (l1->key_val != l2->key_val));
321 spi_dec_set_unlatch_pending (SpiDEController *controller, unsigned mask)
323 DEControllerPrivateData *priv =
324 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
326 if (priv->xkb_latch_mask) fprintf (stderr, "unlatch pending! %x\n",
327 priv->xkb_latch_mask);
329 priv->pending_xkb_mod_relatch_mask |= priv->xkb_latch_mask;
333 spi_dec_clear_unlatch_pending (SpiDEController *controller)
335 DEControllerPrivateData *priv =
336 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
337 priv->xkb_latch_mask = 0;
341 spi_dec_button_update_and_emit (SpiDEController *controller,
344 CORBA_Environment ev;
345 Accessibility_Event e;
346 Accessibility_DeviceEvent mouse_e;
347 gchar event_name[24];
348 gboolean is_consumed = FALSE;
350 if ((mask_return & mouse_button_mask) !=
351 (mouse_mask_state & mouse_button_mask))
353 int button_number = 0;
354 gboolean is_down = False;
356 if (!(mask_return & Button1Mask) &&
357 (mouse_mask_state & Button1Mask))
359 mouse_mask_state &= ~Button1Mask;
362 else if ((mask_return & Button1Mask) &&
363 !(mouse_mask_state & Button1Mask))
365 mouse_mask_state |= Button1Mask;
369 else if (!(mask_return & Button2Mask) &&
370 (mouse_mask_state & Button2Mask))
372 mouse_mask_state &= ~Button2Mask;
375 else if ((mask_return & Button2Mask) &&
376 !(mouse_mask_state & Button2Mask))
378 mouse_mask_state |= Button2Mask;
382 else if (!(mask_return & Button3Mask) &&
383 (mouse_mask_state & Button3Mask))
385 mouse_mask_state &= ~Button3Mask;
388 else if ((mask_return & Button3Mask) &&
389 !(mouse_mask_state & Button3Mask))
391 mouse_mask_state |= Button3Mask;
395 else if (!(mask_return & Button4Mask) &&
396 (mouse_mask_state & Button4Mask))
398 mouse_mask_state &= ~Button4Mask;
401 else if ((mask_return & Button4Mask) &&
402 !(mouse_mask_state & Button4Mask))
404 mouse_mask_state |= Button4Mask;
408 else if (!(mask_return & Button5Mask) &&
409 (mouse_mask_state & Button5Mask))
411 mouse_mask_state &= ~Button5Mask;
414 else if ((mask_return & Button5Mask) &&
415 !(mouse_mask_state & Button5Mask))
417 mouse_mask_state |= Button5Mask;
423 fprintf (stderr, "Button %d %s\n",
424 button_number, (is_down) ? "Pressed" : "Released");
426 snprintf (event_name, 22, "mouse:button:%d%c", button_number,
427 (is_down) ? 'p' : 'r');
428 /* TODO: FIXME distinguish between physical and
431 mouse_e.type = (is_down) ?
432 Accessibility_BUTTON_PRESSED_EVENT :
433 Accessibility_BUTTON_RELEASED_EVENT;
434 mouse_e.id = button_number;
435 mouse_e.hw_code = button_number;
436 mouse_e.modifiers = (CORBA_unsigned_short) mouse_mask_state;
437 mouse_e.timestamp = 0;
438 mouse_e.event_string = "";
439 mouse_e.is_text = CORBA_FALSE;
441 spi_controller_notify_mouselisteners (controller,
445 e.source = BONOBO_OBJREF (controller->registry->desktop);
446 e.detail1 = last_mouse_pos->x;
447 e.detail2 = last_mouse_pos->y;
448 spi_init_any_nil (&e.any_data,
449 spi_accessible_new_return (atk_get_root (), FALSE, NULL),
450 Accessibility_ROLE_UNKNOWN,
452 CORBA_exception_init (&ev);
455 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
460 spi_dec_set_unlatch_pending (controller, mask_return);
472 spi_dec_mouse_check (SpiDEController *controller,
473 int *x, int *y, gboolean *moved)
475 Accessibility_Event e;
476 CORBA_Environment ev;
477 int win_x_return,win_y_return;
478 unsigned int mask_return;
479 Window root_return, child_return;
480 Display *display = spi_get_display ();
483 XQueryPointer(display, DefaultRootWindow (display),
484 &root_return, &child_return,
486 &win_x_return, &win_y_return, &mask_return);
488 * Since many clients grab the pointer, and X goes an automatic
489 * pointer grab on mouse-down, we often must detect mouse button events
490 * by polling rather than via a button grab.
491 * The while loop (rather than if) is used since it's possible that
492 * multiple buttons have changed state since we last checked.
494 if (mask_return != mouse_mask_state)
496 while (spi_dec_button_update_and_emit (controller, mask_return));
499 if (*x != last_mouse_pos->x || *y != last_mouse_pos->y)
501 e.type = "mouse:abs";
502 e.source = BONOBO_OBJREF (controller->registry->desktop);
505 spi_init_any_nil (&e.any_data,
506 spi_accessible_new_return (atk_get_root (), FALSE, NULL),
507 Accessibility_ROLE_UNKNOWN,
509 CORBA_exception_init (&ev);
510 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
513 e.type = "mouse:rel";
514 e.source = BONOBO_OBJREF (controller->registry->desktop);
515 e.detail1 = *x - last_mouse_pos->x;
516 e.detail2 = *y - last_mouse_pos->y;
517 spi_init_any_nil (&e.any_data,
518 spi_accessible_new_return (atk_get_root (), FALSE, NULL),
519 Accessibility_ROLE_UNKNOWN,
521 CORBA_exception_init (&ev);
522 last_mouse_pos->x = *x;
523 last_mouse_pos->y = *y;
524 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
538 spi_dec_emit_modifier_event (SpiDEController *controller, guint prev_mask,
541 Accessibility_Event e;
542 CORBA_Environment ev;
545 fprintf (stderr, "MODIFIER CHANGE EVENT! %x to %x\n",
546 prev_mask, current_mask);
549 /* set bits for the virtual modifiers like NUMLOCK */
550 if (prev_mask & _numlock_physical_mask)
551 prev_mask |= SPI_KEYMASK_NUMLOCK;
552 if (current_mask & _numlock_physical_mask)
553 current_mask |= SPI_KEYMASK_NUMLOCK;
555 e.type = "keyboard:modifiers";
556 e.source = BONOBO_OBJREF (controller->registry->desktop);
557 e.detail1 = prev_mask & key_modifier_mask;
558 e.detail2 = current_mask & key_modifier_mask;
559 spi_init_any_nil (&e.any_data,
560 spi_accessible_new_return (atk_get_root (), FALSE, NULL),
561 Accessibility_ROLE_UNKNOWN,
563 CORBA_exception_init (&ev);
564 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
570 spi_dec_poll_mouse_moved (gpointer data)
572 SpiRegistry *registry = SPI_REGISTRY (data);
573 SpiDEController *controller = registry->de_controller;
578 mask_return = spi_dec_mouse_check (controller, &x, &y, &moved);
580 if ((mask_return & key_modifier_mask) !=
581 (mouse_mask_state & key_modifier_mask))
583 spi_dec_emit_modifier_event (controller, mouse_mask_state, mask_return);
584 mouse_mask_state = mask_return;
591 spi_dec_poll_mouse_idle (gpointer data)
593 if (! spi_dec_poll_mouse_moved (data))
597 g_timeout_add (20, spi_dec_poll_mouse_moving, data);
603 spi_dec_poll_mouse_moving (gpointer data)
605 if (spi_dec_poll_mouse_moved (data))
609 g_timeout_add (100, spi_dec_poll_mouse_idle, data);
614 #ifdef WE_NEED_UGRAB_MOUSE
616 spi_dec_ungrab_mouse (gpointer data)
618 Display *display = spi_get_display ();
621 XUngrabButton (spi_get_display (), AnyButton, AnyModifier,
622 XDefaultRootWindow (spi_get_display ()));
629 spi_dec_init_mouse_listener (SpiRegistry *registry)
632 Display *display = spi_get_display ();
634 g_timeout_add (100, spi_dec_poll_mouse_idle, registry);
639 if (XGrabButton (display, AnyButton, AnyModifier,
640 gdk_x11_get_default_root_xwindow (),
641 True, ButtonPressMask | ButtonReleaseMask,
642 GrabModeSync, GrabModeAsync, None, None) != Success) {
644 fprintf (stderr, "WARNING: could not grab mouse buttons!\n");
648 XSync (display, False);
650 fprintf (stderr, "mouse buttons grabbed\n");
657 * Eventually we can use this to make the marshalling of mask types
658 * more sane, but for now we just use this to detect
659 * the use of 'virtual' masks such as numlock and convert them to
660 * system-specific mask values (i.e. ModMask).
663 static Accessibility_ControllerEventMask
664 spi_dec_translate_mask (Accessibility_ControllerEventMask mask)
666 Accessibility_ControllerEventMask tmp_mask;
667 gboolean has_numlock;
669 has_numlock = (mask & SPI_KEYMASK_NUMLOCK);
673 tmp_mask = mask ^ SPI_KEYMASK_NUMLOCK;
674 tmp_mask |= _numlock_physical_mask;
680 static DEControllerKeyListener *
681 spi_dec_key_listener_new (CORBA_Object l,
682 const Accessibility_KeySet *keys,
683 const Accessibility_ControllerEventMask mask,
684 const Accessibility_EventTypeSeq *typeseq,
685 const Accessibility_EventListenerMode *mode,
686 CORBA_Environment *ev)
688 DEControllerKeyListener *key_listener = g_new0 (DEControllerKeyListener, 1);
689 key_listener->listener.object = bonobo_object_dup_ref (l, ev);
690 key_listener->listener.type = SPI_DEVICE_TYPE_KBD;
691 key_listener->keys = ORBit_copy_value (keys, TC_Accessibility_KeySet);
692 key_listener->mask = spi_dec_translate_mask (mask);
693 key_listener->listener.typeseq = ORBit_copy_value (typeseq, TC_Accessibility_EventTypeSeq);
695 key_listener->mode = ORBit_copy_value (mode, TC_Accessibility_EventListenerMode);
697 key_listener->mode = NULL;
700 g_print ("new listener, with mask %x, is_global %d, keys %p (%d)\n",
701 (unsigned int) key_listener->mask,
702 (int) (mode ? mode->global : 0),
703 (void *) key_listener->keys,
704 (int) (key_listener->keys ? key_listener->keys->_length : 0));
710 static DEControllerListener *
711 spi_dec_listener_new (CORBA_Object l,
712 const Accessibility_EventTypeSeq *typeseq,
713 CORBA_Environment *ev)
715 DEControllerListener *listener = g_new0 (DEControllerListener, 1);
716 listener->object = bonobo_object_dup_ref (l, ev);
717 listener->type = SPI_DEVICE_TYPE_MOUSE;
718 listener->typeseq = ORBit_copy_value (typeseq, TC_Accessibility_EventTypeSeq);
722 static DEControllerListener *
723 spi_listener_clone (DEControllerListener *listener, CORBA_Environment *ev)
725 DEControllerListener *clone = g_new0 (DEControllerListener, 1);
727 CORBA_Object_duplicate (listener->object, ev);
728 clone->type = listener->type;
729 clone->typeseq = ORBit_copy_value (listener->typeseq, TC_Accessibility_EventTypeSeq);
733 static DEControllerKeyListener *
734 spi_key_listener_clone (DEControllerKeyListener *key_listener, CORBA_Environment *ev)
736 DEControllerKeyListener *clone = g_new0 (DEControllerKeyListener, 1);
737 clone->listener.object =
738 CORBA_Object_duplicate (key_listener->listener.object, ev);
739 clone->listener.type = SPI_DEVICE_TYPE_KBD;
740 clone->keys = ORBit_copy_value (key_listener->keys, TC_Accessibility_KeySet);
741 clone->mask = key_listener->mask;
742 clone->listener.typeseq = ORBit_copy_value (key_listener->listener.typeseq, TC_Accessibility_EventTypeSeq);
743 if (key_listener->mode)
744 clone->mode = ORBit_copy_value (key_listener->mode, TC_Accessibility_EventListenerMode);
751 spi_key_listener_data_free (DEControllerKeyListener *key_listener, CORBA_Environment *ev)
753 CORBA_free (key_listener->listener.typeseq);
754 CORBA_free (key_listener->keys);
755 g_free (key_listener);
759 spi_key_listener_clone_free (DEControllerKeyListener *clone, CORBA_Environment *ev)
761 CORBA_Object_release (clone->listener.object, ev);
762 spi_key_listener_data_free (clone, ev);
766 spi_listener_clone_free (DEControllerListener *clone, CORBA_Environment *ev)
768 CORBA_Object_release (clone->object, ev);
769 CORBA_free (clone->typeseq);
774 spi_dec_listener_free (DEControllerListener *listener,
775 CORBA_Environment *ev)
777 bonobo_object_release_unref (listener->object, ev);
778 if (listener->type == SPI_DEVICE_TYPE_KBD)
779 spi_key_listener_data_free ((DEControllerKeyListener *) listener, ev);
783 _register_keygrab (SpiDEController *controller,
784 DEControllerGrabMask *grab_mask)
788 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
789 spi_grab_mask_compare_values);
792 DEControllerGrabMask *cur_mask = l->data;
794 cur_mask->ref_count++;
795 if (cur_mask->pending_remove)
797 cur_mask->pending_remove = FALSE;
802 controller->keygrabs_list =
803 g_list_prepend (controller->keygrabs_list,
804 spi_grab_mask_clone (grab_mask));
809 _deregister_keygrab (SpiDEController *controller,
810 DEControllerGrabMask *grab_mask)
814 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
815 spi_grab_mask_compare_values);
819 DEControllerGrabMask *cur_mask = l->data;
821 cur_mask->ref_count--;
822 if (cur_mask->ref_count <= 0)
824 cur_mask->pending_remove = TRUE;
829 DBG (1, g_warning ("De-registering non-existant grab"));
834 handle_keygrab (SpiDEController *controller,
835 DEControllerKeyListener *key_listener,
836 void (*process_cb) (SpiDEController *controller,
837 DEControllerGrabMask *grab_mask))
839 DEControllerGrabMask grab_mask = { 0 };
841 grab_mask.mod_mask = key_listener->mask;
842 if (key_listener->keys->_length == 0) /* special case means AnyKey/AllKeys */
844 grab_mask.key_val = AnyKey;
846 fprintf (stderr, "AnyKey grab!");
848 process_cb (controller, &grab_mask);
854 for (i = 0; i < key_listener->keys->_length; ++i)
856 Accessibility_KeyDefinition keydef = key_listener->keys->_buffer[i];
857 long int key_val = keydef.keysym;
858 /* X Grabs require keycodes, not keysyms */
859 if (keydef.keystring && keydef.keystring[0])
861 key_val = XStringToKeysym(keydef.keystring);
865 key_val = XKeysymToKeycode (spi_get_display (), (KeySym) key_val);
869 key_val = keydef.keycode;
871 grab_mask.key_val = key_val;
872 process_cb (controller, &grab_mask);
878 spi_controller_register_global_keygrabs (SpiDEController *controller,
879 DEControllerKeyListener *key_listener)
881 handle_keygrab (controller, key_listener, _register_keygrab);
882 if (controller->xevie_display == NULL)
883 return spi_controller_update_key_grabs (controller, NULL);
889 spi_controller_deregister_global_keygrabs (SpiDEController *controller,
890 DEControllerKeyListener *key_listener)
892 handle_keygrab (controller, key_listener, _deregister_keygrab);
893 if (controller->xevie_display == NULL)
894 spi_controller_update_key_grabs (controller, NULL);
898 spi_controller_register_device_listener (SpiDEController *controller,
899 DEControllerListener *listener,
900 CORBA_Environment *ev)
902 DEControllerKeyListener *key_listener;
904 switch (listener->type) {
905 case SPI_DEVICE_TYPE_KBD:
906 key_listener = (DEControllerKeyListener *) listener;
908 controller->key_listeners = g_list_prepend (controller->key_listeners,
910 if (key_listener->mode->global)
912 return spi_controller_register_global_keygrabs (controller, key_listener);
917 case SPI_DEVICE_TYPE_MOUSE:
918 controller->mouse_listeners = g_list_prepend (controller->mouse_listeners, listener);
921 DBG (1, g_warning ("listener registration for unknown device type.\n"));
928 spi_controller_notify_mouselisteners (SpiDEController *controller,
929 const Accessibility_DeviceEvent *event,
930 CORBA_Environment *ev)
933 GSList *notify = NULL, *l2;
934 GList **listeners = &controller->mouse_listeners;
935 gboolean is_consumed;
936 #ifdef SPI_KEYEVENT_DEBUG
937 gboolean found = FALSE;
944 for (l = *listeners; l; l = l->next)
946 DEControllerListener *listener = l->data;
948 if (spi_eventtype_seq_contains_event (listener->typeseq, event))
950 Accessibility_DeviceEventListener ls = listener->object;
952 if (ls != CORBA_OBJECT_NIL)
954 /* we clone (don't dup) the listener, to avoid refcount inc. */
955 notify = g_slist_prepend (notify,
956 spi_listener_clone (listener, ev));
957 #ifdef SPI_KEYEVENT_DEBUG
964 #ifdef SPI_KEYEVENT_DEBUG
967 g_print ("no match for event\n");
972 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
974 DEControllerListener *listener = l2->data;
975 Accessibility_DeviceEventListener ls = listener->object;
977 CORBA_exception_init (ev);
978 is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, event, ev);
982 DBG (2, g_warning ("error notifying listener, removing it\n"));
983 spi_deregister_controller_device_listener (controller, listener,
985 CORBA_exception_free (ev);
988 spi_listener_clone_free ((DEControllerListener *) l2->data, ev);
991 for (; l2; l2 = l2->next)
993 DEControllerListener *listener = l2->data;
994 spi_listener_clone_free (listener, ev);
995 /* clone doesn't have its own ref, so don't use spi_device_listener_free */
998 g_slist_free (notify);
1001 if (is_consumed) g_message ("consumed\n");
1007 spi_device_event_controller_forward_mouse_event (SpiDEController *controller,
1010 Accessibility_Event e;
1011 Accessibility_DeviceEvent mouse_e;
1012 CORBA_Environment ev;
1013 gchar event_name[24];
1014 gboolean is_consumed = FALSE;
1015 gboolean xkb_mod_unlatch_occurred;
1016 XButtonEvent *xbutton_event = (XButtonEvent *) xevent;
1018 int button = xbutton_event->button;
1020 unsigned int mouse_button_state = xbutton_event->state;
1025 mouse_button_state |= Button1Mask;
1028 mouse_button_state |= Button2Mask;
1031 mouse_button_state |= Button3Mask;
1034 mouse_button_state |= Button4Mask;
1037 mouse_button_state |= Button5Mask;
1041 last_mouse_pos->x = ((XButtonEvent *) xevent)->x_root;
1042 last_mouse_pos->y = ((XButtonEvent *) xevent)->y_root;
1045 fprintf (stderr, "mouse button %d %s (%x)\n",
1046 xbutton_event->button,
1047 (xevent->type == ButtonPress) ? "Press" : "Release",
1048 mouse_button_state);
1050 snprintf (event_name, 22, "mouse:button:%d%c", button,
1051 (xevent->type == ButtonPress) ? 'p' : 'r');
1053 /* TODO: FIXME distinguish between physical and logical buttons */
1054 mouse_e.type = (xevent->type == ButtonPress) ?
1055 Accessibility_BUTTON_PRESSED_EVENT :
1056 Accessibility_BUTTON_RELEASED_EVENT;
1057 mouse_e.id = button;
1058 mouse_e.hw_code = button;
1059 mouse_e.modifiers = (CORBA_unsigned_short) xbutton_event->state;
1060 mouse_e.timestamp = (CORBA_unsigned_long) xbutton_event->time;
1061 mouse_e.event_string = "";
1062 mouse_e.is_text = CORBA_FALSE;
1063 if ((mouse_button_state & mouse_button_mask) !=
1064 (mouse_mask_state & mouse_button_mask))
1066 if ((mouse_mask_state & key_modifier_mask) !=
1067 (mouse_button_state & key_modifier_mask))
1068 spi_dec_emit_modifier_event (controller,
1069 mouse_mask_state, mouse_button_state);
1070 mouse_mask_state = mouse_button_state;
1072 spi_controller_notify_mouselisteners (controller, &mouse_e, &ev);
1073 e.type = CORBA_string_dup (event_name);
1074 e.source = BONOBO_OBJREF (controller->registry->desktop);
1075 e.detail1 = last_mouse_pos->x;
1076 e.detail2 = last_mouse_pos->y;
1077 spi_init_any_nil (&e.any_data,
1078 spi_accessible_new_return (atk_get_root (), FALSE, NULL),
1079 Accessibility_ROLE_UNKNOWN,
1081 CORBA_exception_init (&ev);
1083 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
1088 xkb_mod_unlatch_occurred = (xevent->type == ButtonPress ||
1089 xevent->type == ButtonRelease);
1091 /* if client wants to consume this event, and XKB latch state was
1092 * unset by this button event, we reset it
1094 if (is_consumed && xkb_mod_unlatch_occurred)
1095 spi_dec_set_unlatch_pending (controller, mouse_mask_state);
1097 XAllowEvents (spi_get_display (),
1098 (is_consumed) ? SyncPointer : ReplayPointer,
1102 static GdkFilterReturn
1103 global_filter_fn (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
1105 XEvent *xevent = gdk_xevent;
1106 SpiDEController *controller;
1107 DEControllerPrivateData *priv;
1108 Display *display = spi_get_display ();
1109 controller = SPI_DEVICE_EVENT_CONTROLLER (data);
1110 priv = (DEControllerPrivateData *)
1111 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
1113 if (xevent->type == KeyPress || xevent->type == KeyRelease)
1115 if (controller->xevie_display == NULL)
1117 gboolean is_consumed;
1120 spi_device_event_controller_forward_key_event (controller, xevent);
1127 n_events = XPending (display);
1129 #ifdef SPI_KEYEVENT_DEBUG
1130 g_print ("Number of events pending: %d\n", n_events);
1132 for (i = 0; i < n_events; i++)
1134 XNextEvent (display, &next_event);
1135 if (next_event.type != KeyPress &&
1136 next_event.type != KeyRelease)
1137 g_warning ("Unexpected event type %d in queue", next_event.type);
1140 XAllowEvents (display, AsyncKeyboard, CurrentTime);
1142 XUngrabKeyboard (display, CurrentTime);
1146 if (xevent->type == KeyPress)
1147 wait_for_release_event (xevent, controller);
1148 XAllowEvents (display, ReplayKeyboard, CurrentTime);
1152 return GDK_FILTER_CONTINUE;
1154 if (xevent->type == ButtonPress || xevent->type == ButtonRelease)
1156 spi_device_event_controller_forward_mouse_event (controller, xevent);
1158 if (xevent->type == priv->xkb_base_event_code)
1160 XkbAnyEvent * xkb_ev = (XkbAnyEvent *) xevent;
1161 /* ugly but probably necessary...*/
1162 XSynchronize (display, TRUE);
1164 if (xkb_ev->xkb_type == XkbStateNotify)
1166 XkbStateNotifyEvent *xkb_snev =
1167 (XkbStateNotifyEvent *) xkb_ev;
1168 /* check the mouse, to catch mouse events grabbed by
1169 * another client; in case we should revert this XKB delatch
1171 if (!priv->pending_xkb_mod_relatch_mask)
1175 spi_dec_mouse_check (controller, &x, &y, &moved);
1177 /* we check again, since the previous call may have
1178 changed this flag */
1179 if (priv->pending_xkb_mod_relatch_mask)
1181 unsigned int feedback_mask;
1182 #ifdef SPI_XKB_DEBUG
1183 fprintf (stderr, "relatching %x\n",
1184 priv->pending_xkb_mod_relatch_mask);
1186 /* temporarily turn off the latch bell, if it's on */
1187 XkbGetControls (display,
1188 XkbAccessXFeedbackMask,
1190 feedback_mask = priv->xkb_desc->ctrls->ax_options;
1191 if (feedback_mask & XkbAX_StickyKeysFBMask)
1193 XkbControlsChangesRec changes = {XkbAccessXFeedbackMask,
1195 priv->xkb_desc->ctrls->ax_options
1196 &= ~(XkbAX_StickyKeysFBMask);
1197 XkbChangeControls (display, priv->xkb_desc, &changes);
1199 /* TODO: account for lock as well as latch */
1200 XkbLatchModifiers (display,
1202 priv->pending_xkb_mod_relatch_mask,
1203 priv->pending_xkb_mod_relatch_mask);
1204 if (feedback_mask & XkbAX_StickyKeysFBMask)
1206 XkbControlsChangesRec changes = {XkbAccessXFeedbackMask,
1208 priv->xkb_desc->ctrls->ax_options = feedback_mask;
1209 XkbChangeControls (display, priv->xkb_desc, &changes);
1211 #ifdef SPI_XKB_DEBUG
1212 fprintf (stderr, "relatched %x\n",
1213 priv->pending_xkb_mod_relatch_mask);
1215 priv->pending_xkb_mod_relatch_mask = 0;
1219 priv->xkb_latch_mask = xkb_snev->latched_mods;
1223 DBG (2, g_warning ("XKB event %d\n", xkb_ev->xkb_type));
1224 XSynchronize (display, FALSE);
1227 return GDK_FILTER_CONTINUE;
1231 _spi_controller_device_error_handler (Display *display, XErrorEvent *error)
1233 if (error->error_code == BadAccess)
1235 g_message ("Could not complete key grab: grab already in use.\n");
1236 spi_error_code = BadAccess;
1241 return (*x_default_error_handler) (display, error);
1246 spi_controller_register_with_devices (SpiDEController *controller)
1248 DEControllerPrivateData *priv = (DEControllerPrivateData *)
1249 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
1250 /* FIXME: should check for extension first! */
1251 XTestGrabControl (spi_get_display (), True);
1253 /* calls to device-specific implementations and routines go here */
1254 /* register with: keyboard hardware code handler */
1255 /* register with: (translated) keystroke handler */
1257 priv->have_xkb = XkbQueryExtension (spi_get_display (),
1258 &priv->xkb_major_extension_opcode,
1259 &priv->xkb_base_event_code,
1260 &priv->xkb_base_error_code, NULL, NULL);
1264 guint64 reserved = 0;
1265 priv->xkb_desc = XkbGetMap (spi_get_display (), XkbKeySymsMask, XkbUseCoreKbd);
1266 XkbSelectEvents (spi_get_display (),
1268 XkbStateNotifyMask, XkbStateNotifyMask);
1269 _numlock_physical_mask = XkbKeysymToModifiers (spi_get_display (),
1271 for (i = priv->xkb_desc->max_key_code; i >= priv->xkb_desc->min_key_code; --i)
1273 if (priv->xkb_desc->map->key_sym_map[i].kt_index[0] == XkbOneLevelIndex)
1275 if (XKeycodeToKeysym (spi_get_display (), i, 0) != 0)
1277 /* don't use this one if there's a grab client! */
1278 gdk_error_trap_push ();
1279 XGrabKey (spi_get_display (), i, 0,
1280 gdk_x11_get_default_root_xwindow (),
1282 GrabModeSync, GrabModeSync);
1283 XSync (spi_get_display (), TRUE);
1284 XUngrabKey (spi_get_display (), i, 0,
1285 gdk_x11_get_default_root_xwindow ());
1286 if (!gdk_error_trap_pop ())
1296 priv->reserved_keycode = reserved;
1297 priv->reserved_keysym = XKeycodeToKeysym (spi_get_display (), reserved, 0);
1301 priv->reserved_keycode = XKeysymToKeycode (spi_get_display (), XK_numbersign);
1302 priv->reserved_keysym = XK_numbersign;
1304 #ifdef SPI_RESERVED_DEBUG
1306 sym = XKeycodeToKeysym (spi_get_display (), reserved, 0);
1307 fprintf (stderr, "%x\n", sym);
1308 fprintf (stderr, "setting the reserved keycode to %d (%s)\n",
1310 XKeysymToString (XKeycodeToKeysym (spi_get_display (),
1315 gdk_window_add_filter (NULL, global_filter_fn, controller);
1317 gdk_window_set_events (gdk_get_default_root_window (),
1318 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK);
1320 x_default_error_handler = XSetErrorHandler (_spi_controller_device_error_handler);
1324 spi_key_set_contains_key (Accessibility_KeySet *key_set,
1325 const Accessibility_DeviceEvent *key_event)
1332 g_print ("null key set!");
1336 len = key_set->_length;
1338 if (len == 0) /* special case, means "all keys/any key" */
1340 g_print ("anykey\n");
1344 for (i = 0; i < len; ++i)
1346 #ifdef SPI_KEYEVENT_DEBUG
1347 g_print ("key_set[%d] event = %d, code = %d; key_event %d, code %d, string %s\n",
1349 (int)key_set->_buffer[i].keysym,
1350 (int) key_set->_buffer[i].keycode,
1351 (int) key_event->id,
1352 (int) key_event->hw_code,
1353 key_event->event_string);
1355 if (key_set->_buffer[i].keysym == (CORBA_long) key_event->id)
1359 if (key_set->_buffer[i].keycode == (CORBA_long) key_event->hw_code)
1363 if (key_event->event_string && key_event->event_string[0] &&
1364 !strcmp (key_set->_buffer[i].keystring, key_event->event_string))
1374 spi_eventtype_seq_contains_event (Accessibility_EventTypeSeq *type_seq,
1375 const Accessibility_DeviceEvent *event)
1383 g_print ("null type seq!");
1387 len = type_seq->_length;
1389 if (len == 0) /* special case, means "all events/any event" */
1394 for (i = 0; i < len; ++i)
1397 g_print ("type_seq[%d] = %d; event type = %d\n", i,
1398 (int) type_seq->_buffer[i], (int) event->type);
1400 if (type_seq->_buffer[i] == (CORBA_long) event->type)
1410 spi_key_event_matches_listener (const Accessibility_DeviceEvent *key_event,
1411 DEControllerKeyListener *listener,
1412 CORBA_boolean is_system_global)
1414 if ((key_event->modifiers == (CORBA_unsigned_short) (listener->mask & 0xFF)) &&
1415 spi_key_set_contains_key (listener->keys, key_event) &&
1416 spi_eventtype_seq_contains_event (listener->listener.typeseq, key_event) &&
1417 (is_system_global == listener->mode->global))
1428 spi_controller_notify_keylisteners (SpiDEController *controller,
1429 const Accessibility_DeviceEvent *key_event,
1430 CORBA_boolean is_system_global,
1431 CORBA_Environment *ev)
1434 GSList *notify = NULL, *l2;
1435 GList **key_listeners = &controller->key_listeners;
1436 gboolean is_consumed;
1443 for (l = *key_listeners; l; l = l->next)
1445 DEControllerKeyListener *key_listener = l->data;
1447 if (spi_key_event_matches_listener (key_event, key_listener, is_system_global))
1449 Accessibility_DeviceEventListener ls = key_listener->listener.object;
1451 if (ls != CORBA_OBJECT_NIL)
1453 /* we clone (don't dup) the listener, to avoid refcount inc. */
1454 notify = g_slist_prepend (notify,
1455 spi_key_listener_clone (key_listener, ev));
1460 #ifdef SPI_KEYEVENT_DEBUG
1463 g_print ("no match for event\n");
1467 is_consumed = FALSE;
1468 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
1470 DEControllerKeyListener *key_listener = l2->data;
1471 Accessibility_DeviceEventListener ls = key_listener->listener.object;
1473 is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, key_event, ev) &&
1474 key_listener->mode->preemptive;
1478 is_consumed = FALSE;
1479 spi_deregister_controller_key_listener (controller, key_listener,
1481 CORBA_exception_free (ev);
1484 spi_key_listener_clone_free (key_listener, ev);
1487 for (; l2; l2 = l2->next)
1489 DEControllerKeyListener *key_listener = l2->data;
1490 spi_key_listener_clone_free (key_listener, ev);
1491 /* clone doesn't have its own ref, so don't use spi_dec_listener_free */
1494 g_slist_free (notify);
1497 if (is_consumed) g_message ("consumed\n");
1503 spi_clear_error_state (void)
1505 gboolean retval = spi_error_code != 0;
1510 static Accessibility_DeviceEvent
1511 spi_keystroke_from_x_key_event (XKeyEvent *x_key_event)
1513 Accessibility_DeviceEvent key_event;
1515 const int cbuf_bytes = 20;
1519 nbytes = XLookupString (x_key_event, cbuf, cbuf_bytes, &keysym, NULL);
1520 key_event.id = (CORBA_long)(keysym);
1521 key_event.hw_code = (CORBA_short) x_key_event->keycode;
1522 if (((XEvent *) x_key_event)->type == KeyPress)
1524 key_event.type = Accessibility_KEY_PRESSED_EVENT;
1528 key_event.type = Accessibility_KEY_RELEASED_EVENT;
1530 key_event.modifiers = (CORBA_unsigned_short)(x_key_event->state);
1531 key_event.is_text = CORBA_FALSE;
1535 key_event.event_string = CORBA_string_dup ("space");
1538 key_event.event_string = CORBA_string_dup ("Tab");
1541 key_event.event_string = CORBA_string_dup ("Backspace");
1544 key_event.event_string = CORBA_string_dup ("Return");
1547 key_event.event_string = CORBA_string_dup ("Home");
1550 key_event.event_string = CORBA_string_dup ("Page_Down");
1553 key_event.event_string = CORBA_string_dup ("Page_Up");
1556 key_event.event_string = CORBA_string_dup ("F1");
1559 key_event.event_string = CORBA_string_dup ("F2");
1562 key_event.event_string = CORBA_string_dup ("F3");
1565 key_event.event_string = CORBA_string_dup ("F4");
1568 key_event.event_string = CORBA_string_dup ("F5");
1571 key_event.event_string = CORBA_string_dup ("F6");
1574 key_event.event_string = CORBA_string_dup ("F7");
1577 key_event.event_string = CORBA_string_dup ("F8");
1580 key_event.event_string = CORBA_string_dup ("F9");
1583 key_event.event_string = CORBA_string_dup ("F10");
1586 key_event.event_string = CORBA_string_dup ("F11");
1589 key_event.event_string = CORBA_string_dup ("F12");
1592 key_event.event_string = CORBA_string_dup ("End");
1595 key_event.event_string = CORBA_string_dup ("Escape");
1598 key_event.event_string = CORBA_string_dup ("Up");
1601 key_event.event_string = CORBA_string_dup ("Down");
1604 key_event.event_string = CORBA_string_dup ("Left");
1607 key_event.event_string = CORBA_string_dup ("Right");
1613 cbuf[nbytes] = '\0'; /* OK since length is cbuf_bytes+1 */
1614 key_event.event_string = CORBA_string_dup (cbuf);
1615 c = keysym2ucs (keysym);
1616 if (c > 0 && !g_unichar_iscntrl (c))
1618 key_event.is_text = CORBA_TRUE;
1619 /* incorrect for some composed chars? */
1624 key_event.event_string = CORBA_string_dup ("");
1628 key_event.timestamp = (CORBA_unsigned_long) x_key_event->time;
1629 #ifdef SPI_KEYEVENT_DEBUG
1631 char *pressed_str = "pressed";
1632 char *released_str = "released";
1635 if (key_event.type == Accessibility_KEY_PRESSED_EVENT)
1636 state_ptr = pressed_str;
1638 state_ptr = released_str;
1641 "Key %lu %s (%c), modifiers %d; string=%s [%x] %s\n",
1642 (unsigned long) keysym,
1644 keysym ? (int) keysym : '*',
1645 (int) x_key_event->state,
1646 key_event.event_string,
1647 key_event.event_string[0],
1648 (key_event.is_text == CORBA_TRUE) ? "(text)" : "(not text)");
1652 fprintf (stderr, "%s%c\n",
1653 (x_key_event->state & Mod1Mask)?"Alt-":"",
1654 ((x_key_event->state & ShiftMask)^(x_key_event->state & LockMask))?
1655 g_ascii_toupper (keysym) : g_ascii_tolower (keysym));
1656 fprintf (stderr, "serial: %x Time: %x\n", x_key_event->serial, x_key_event->time);
1657 #endif /* SPI_DEBUG */
1662 spi_controller_update_key_grabs (SpiDEController *controller,
1663 Accessibility_DeviceEvent *recv)
1666 gboolean update_failed = FALSE;
1669 g_return_val_if_fail (controller != NULL, FALSE);
1672 * masks known to work with default RH 7.1+:
1673 * 0 (no mods), LockMask, Mod1Mask, Mod2Mask, ShiftMask,
1674 * ShiftMask|LockMask, Mod1Mask|LockMask, Mod2Mask|LockMask,
1675 * ShiftMask|Mod1Mask, ShiftMask|Mod2Mask, Mod1Mask|Mod2Mask,
1676 * ShiftMask|LockMask|Mod1Mask, ShiftMask|LockMask|Mod2Mask,
1678 * ControlMask grabs are broken, must be in use already
1681 keycode = keycode_for_keysym (controller, recv->id, NULL);
1682 for (l = controller->keygrabs_list; l; l = next)
1685 gboolean re_issue_grab;
1686 DEControllerGrabMask *grab_mask = l->data;
1690 re_issue_grab = recv &&
1691 (recv->modifiers & grab_mask->mod_mask) &&
1692 (grab_mask->key_val == keycode);
1695 fprintf (stderr, "mask=%lx %lx (%c%c) %s\n",
1696 (long int) grab_mask->key_val,
1697 (long int) grab_mask->mod_mask,
1698 grab_mask->pending_add ? '+' : '.',
1699 grab_mask->pending_remove ? '-' : '.',
1700 re_issue_grab ? "re-issue": "");
1705 if (grab_mask->pending_add && grab_mask->pending_remove)
1709 else if (grab_mask->pending_remove)
1712 fprintf (stderr, "ungrabbing, mask=%x\n", grab_mask->mod_mask);
1714 XUngrabKey (spi_get_display (),
1716 grab_mask->mod_mask,
1717 gdk_x11_get_default_root_xwindow ());
1721 else if (grab_mask->pending_add || re_issue_grab)
1725 fprintf (stderr, "grab %d with mask %x\n", grab_mask->key_val, grab_mask->mod_mask);
1727 XGrabKey (spi_get_display (),
1729 grab_mask->mod_mask,
1730 gdk_x11_get_default_root_xwindow (),
1734 XSync (spi_get_display (), False);
1735 update_failed = spi_clear_error_state ();
1736 if (update_failed) {
1737 while (grab_mask->ref_count > 0) --grab_mask->ref_count;
1742 grab_mask->pending_add = FALSE;
1743 grab_mask->pending_remove = FALSE;
1747 g_assert (grab_mask->ref_count <= 0);
1749 controller->keygrabs_list = g_list_delete_link (
1750 controller->keygrabs_list, l);
1752 spi_grab_mask_free (grab_mask);
1757 return ! update_failed;
1761 * Implemented GObject::finalize
1764 spi_device_event_controller_object_finalize (GObject *object)
1766 SpiDEController *controller;
1767 DEControllerPrivateData *private;
1768 controller = SPI_DEVICE_EVENT_CONTROLLER (object);
1771 fprintf(stderr, "spi_device_event_controller_object_finalize called\n");
1773 /* disconnect any special listeners, get rid of outstanding keygrabs */
1774 XUngrabKey (spi_get_display (), AnyKey, AnyModifier, DefaultRootWindow (spi_get_display ()));
1777 if (controller->xevie_display != NULL)
1779 XevieEnd(controller->xevie_display);
1780 #ifdef SPI_KEYEVENT_DEBUG
1781 printf("XevieEnd(dpy) finished \n");
1786 private = g_object_get_data (G_OBJECT (controller), "spi-dec-private");
1787 if (private->xkb_desc)
1788 XkbFreeKeyboard (private->xkb_desc, 0, True);
1790 spi_device_event_controller_parent_class->finalize (object);
1794 * CORBA Accessibility::DEController::registerKeystrokeListener
1795 * method implementation
1797 static CORBA_boolean
1798 impl_register_keystroke_listener (PortableServer_Servant servant,
1799 const Accessibility_DeviceEventListener l,
1800 const Accessibility_KeySet *keys,
1801 const Accessibility_ControllerEventMask mask,
1802 const Accessibility_EventTypeSeq *type,
1803 const Accessibility_EventListenerMode *mode,
1804 CORBA_Environment *ev)
1806 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1807 bonobo_object_from_servant (servant));
1808 DEControllerKeyListener *dec_listener;
1810 fprintf (stderr, "registering keystroke listener %p with maskVal %lu\n",
1811 (void *) l, (unsigned long) mask);
1813 dec_listener = spi_dec_key_listener_new (l, keys, mask, type, mode, ev);
1814 return spi_controller_register_device_listener (
1815 controller, (DEControllerListener *) dec_listener, ev);
1820 * CORBA Accessibility::DEController::registerDeviceEventListener
1821 * method implementation
1823 static CORBA_boolean
1824 impl_register_device_listener (PortableServer_Servant servant,
1825 const Accessibility_DeviceEventListener l,
1826 const Accessibility_EventTypeSeq *event_types,
1827 CORBA_Environment *ev)
1829 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1830 bonobo_object_from_servant (servant));
1831 DEControllerListener *dec_listener;
1833 dec_listener = spi_dec_listener_new (l, event_types, ev);
1834 return spi_controller_register_device_listener (
1835 controller, (DEControllerListener *) dec_listener, ev);
1839 CORBA_Environment *ev;
1840 DEControllerListener *listener;
1841 } RemoveListenerClosure;
1843 static SpiReEntrantContinue
1844 remove_listener_cb (GList * const *list,
1847 DEControllerListener *listener = (*list)->data;
1848 RemoveListenerClosure *ctx = user_data;
1850 if (CORBA_Object_is_equivalent (ctx->listener->object,
1851 listener->object, ctx->ev))
1853 spi_re_entrant_list_delete_link (list);
1854 spi_dec_listener_free (listener, ctx->ev);
1857 return SPI_RE_ENTRANT_CONTINUE;
1860 static SpiReEntrantContinue
1861 copy_key_listener_cb (GList * const *list,
1864 DEControllerKeyListener *key_listener = (*list)->data;
1865 RemoveListenerClosure *ctx = user_data;
1867 if (CORBA_Object_is_equivalent (ctx->listener->object,
1868 key_listener->listener.object, ctx->ev))
1870 /* TODO: FIXME aggregate keys in case the listener is registered twice */
1871 DEControllerKeyListener *ctx_key_listener =
1872 (DEControllerKeyListener *) ctx->listener;
1873 CORBA_free (ctx_key_listener->keys);
1874 ctx_key_listener->keys = ORBit_copy_value (key_listener->keys, TC_Accessibility_KeySet);
1877 return SPI_RE_ENTRANT_CONTINUE;
1881 spi_deregister_controller_device_listener (SpiDEController *controller,
1882 DEControllerListener *listener,
1883 CORBA_Environment *ev)
1885 RemoveListenerClosure ctx;
1888 ctx.listener = listener;
1890 spi_re_entrant_list_foreach (&controller->mouse_listeners,
1891 remove_listener_cb, &ctx);
1895 spi_deregister_controller_key_listener (SpiDEController *controller,
1896 DEControllerKeyListener *key_listener,
1897 CORBA_Environment *ev)
1899 RemoveListenerClosure ctx;
1902 ctx.listener = (DEControllerListener *) key_listener;
1904 /* special case, copy keyset from existing controller list entry */
1905 if (key_listener->keys->_length == 0)
1907 spi_re_entrant_list_foreach (&controller->key_listeners,
1908 copy_key_listener_cb, &ctx);
1911 spi_controller_deregister_global_keygrabs (controller, key_listener);
1913 spi_re_entrant_list_foreach (&controller->key_listeners,
1914 remove_listener_cb, &ctx);
1919 * CORBA Accessibility::DEController::deregisterKeystrokeListener
1920 * method implementation
1923 impl_deregister_keystroke_listener (PortableServer_Servant servant,
1924 const Accessibility_DeviceEventListener l,
1925 const Accessibility_KeySet *keys,
1926 const Accessibility_ControllerEventMask mask,
1927 const Accessibility_EventTypeSeq *type,
1928 CORBA_Environment *ev)
1930 DEControllerKeyListener *key_listener;
1931 SpiDEController *controller;
1933 controller = SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
1935 key_listener = spi_dec_key_listener_new (l, keys, mask, type, NULL, ev);
1937 #ifdef SPI_DEREGISTER_DEBUG
1938 fprintf (stderr, "deregistering keystroke listener %p with maskVal %lu\n",
1939 (void *) l, (unsigned long) mask->value);
1942 spi_deregister_controller_key_listener (controller, key_listener, ev);
1944 spi_dec_listener_free ((DEControllerListener *) key_listener, ev);
1948 * CORBA Accessibility::DEController::deregisterDeviceEventListener
1949 * method implementation
1952 impl_deregister_device_listener (PortableServer_Servant servant,
1953 const Accessibility_DeviceEventListener l,
1954 const Accessibility_EventTypeSeq *event_types,
1955 CORBA_Environment *ev)
1957 SpiDEController *controller;
1958 DEControllerListener *listener =
1959 spi_dec_listener_new (l, event_types, ev);
1961 controller = SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
1963 spi_deregister_controller_device_listener (controller, listener, ev);
1965 spi_dec_listener_free (listener, ev);
1968 static unsigned int dec_xkb_get_slowkeys_delay (SpiDEController *controller)
1970 unsigned int retval = 0;
1971 DEControllerPrivateData *priv = (DEControllerPrivateData *)
1972 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
1974 #ifdef XKB_HAS_GET_SLOW_KEYS_DELAY
1975 retval = XkbGetSlowKeysDelay (spi_get_display (),
1976 XkbUseCoreKbd, &bounce_delay);
1978 if (!(priv->xkb_desc == (XkbDescPtr) BadAlloc || priv->xkb_desc == NULL))
1980 Status s = XkbGetControls (spi_get_display (),
1981 XkbAllControlsMask, priv->xkb_desc);
1984 if (priv->xkb_desc->ctrls->enabled_ctrls & XkbSlowKeysMask)
1985 retval = priv->xkb_desc->ctrls->slow_keys_delay;
1990 #ifdef SPI_XKB_DEBUG
1991 fprintf (stderr, "SlowKeys delay: %d\n", (int) retval);
1996 static unsigned int dec_xkb_get_bouncekeys_delay (SpiDEController *controller)
1998 unsigned int retval = 0;
1999 DEControllerPrivateData *priv = (DEControllerPrivateData *)
2000 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
2002 #ifdef XKB_HAS_GET_BOUNCE_KEYS_DELAY
2003 retval = XkbGetBounceKeysDelay (spi_get_display (),
2004 XkbUseCoreKbd, &bounce_delay);
2006 if (!(priv->xkb_desc == (XkbDescPtr) BadAlloc || priv->xkb_desc == NULL))
2008 Status s = XkbGetControls (spi_get_display (),
2009 XkbAllControlsMask, priv->xkb_desc);
2012 if (priv->xkb_desc->ctrls->enabled_ctrls & XkbBounceKeysMask)
2013 retval = priv->xkb_desc->ctrls->debounce_delay;
2018 #ifdef SPI_XKB_DEBUG
2019 fprintf (stderr, "BounceKeys delay: %d\n", (int) retval);
2025 dec_synth_keycode_press (SpiDEController *controller,
2026 unsigned int keycode)
2028 unsigned int time = CurrentTime;
2029 unsigned int bounce_delay;
2030 unsigned int elapsed_msec;
2032 DEControllerPrivateData *priv =
2033 (DEControllerPrivateData *) g_object_get_qdata (G_OBJECT (controller),
2034 spi_dec_private_quark);
2035 if (keycode == priv->last_release_keycode)
2037 bounce_delay = dec_xkb_get_bouncekeys_delay (controller);
2040 gettimeofday (&tv, NULL);
2042 (tv.tv_sec - priv->last_release_time.tv_sec) * 1000
2043 + (tv.tv_usec - priv->last_release_time.tv_usec) / 1000;
2044 #ifdef SPI_XKB_DEBUG
2045 fprintf (stderr, "%d ms elapsed (%ld usec)\n", elapsed_msec,
2046 (long) (tv.tv_usec - priv->last_release_time.tv_usec));
2048 #ifdef THIS_IS_BROKEN
2049 if (elapsed_msec < bounce_delay)
2050 time = bounce_delay - elapsed_msec + 1;
2052 time = bounce_delay + 10;
2053 /* fudge for broken XTest */
2055 #ifdef SPI_XKB_DEBUG
2056 fprintf (stderr, "waiting %d ms\n", time);
2060 XTestFakeKeyEvent (spi_get_display (), keycode, True, time);
2061 priv->last_press_keycode = keycode;
2062 XFlush (spi_get_display ());
2063 XSync (spi_get_display (), False);
2064 gettimeofday (&priv->last_press_time, NULL);
2069 dec_synth_keycode_release (SpiDEController *controller,
2070 unsigned int keycode)
2072 unsigned int time = CurrentTime;
2073 unsigned int slow_delay;
2074 unsigned int elapsed_msec;
2076 DEControllerPrivateData *priv =
2077 (DEControllerPrivateData *) g_object_get_qdata (G_OBJECT (controller),
2078 spi_dec_private_quark);
2079 if (keycode == priv->last_press_keycode)
2081 slow_delay = dec_xkb_get_slowkeys_delay (controller);
2084 gettimeofday (&tv, NULL);
2086 (tv.tv_sec - priv->last_press_time.tv_sec) * 1000
2087 + (tv.tv_usec - priv->last_press_time.tv_usec) / 1000;
2088 #ifdef SPI_XKB_DEBUG
2089 fprintf (stderr, "%d ms elapsed (%ld usec)\n", elapsed_msec,
2090 (long) (tv.tv_usec - priv->last_press_time.tv_usec));
2092 #ifdef THIS_IS_BROKEN_DUNNO_WHY
2093 if (elapsed_msec < slow_delay)
2094 time = slow_delay - elapsed_msec + 1;
2096 time = slow_delay + 10;
2097 /* our XTest seems broken, we have to add slop as above */
2099 #ifdef SPI_XKB_DEBUG
2100 fprintf (stderr, "waiting %d ms\n", time);
2104 XTestFakeKeyEvent (spi_get_display (), keycode, False, time);
2105 priv->last_release_keycode = keycode;
2106 XSync (spi_get_display (), False);
2107 gettimeofday (&priv->last_release_time, NULL);
2112 dec_get_modifier_state (SpiDEController *controller)
2114 return mouse_mask_state;
2118 dec_lock_modifiers (SpiDEController *controller, unsigned modifiers)
2120 return XkbLockModifiers (spi_get_display (), XkbUseCoreKbd,
2121 modifiers, modifiers);
2125 dec_unlock_modifiers (SpiDEController *controller, unsigned modifiers)
2127 return XkbLockModifiers (spi_get_display (), XkbUseCoreKbd,
2132 dec_keysym_for_unichar (SpiDEController *controller, gunichar unichar)
2134 return ucs2keysym ((long) unichar);
2138 dec_synth_keysym (SpiDEController *controller, KeySym keysym)
2140 KeyCode key_synth_code;
2141 unsigned int modifiers, synth_mods, lock_mods;
2143 key_synth_code = keycode_for_keysym (controller, keysym, &synth_mods);
2145 if ((key_synth_code == 0) || (synth_mods == 0xFF)) return FALSE;
2147 /* TODO: set the modifiers accordingly! */
2148 modifiers = dec_get_modifier_state (controller);
2149 /* side-effect; we may unset mousebutton modifiers here! */
2152 if (synth_mods != modifiers) {
2153 lock_mods = synth_mods & ~modifiers;
2154 dec_lock_modifiers (controller, lock_mods);
2156 dec_synth_keycode_press (controller, key_synth_code);
2157 dec_synth_keycode_release (controller, key_synth_code);
2159 if (synth_mods != modifiers)
2160 dec_unlock_modifiers (controller, lock_mods);
2166 dec_synth_keystring (SpiDEController *controller, const CORBA_char *keystring)
2168 /* probably we need to create and inject an XIM handler eventually. */
2169 /* for now, try to match the string to existing
2170 * keycode+modifier states.
2174 gunichar unichar = 0;
2176 gboolean retval = TRUE;
2179 maxlen = strlen (keystring);
2180 keysyms = g_new0 (KeySym, maxlen);
2181 if (!(keystring && *keystring && g_utf8_validate (keystring, -1, &c))) {
2186 fprintf (stderr, "[keystring synthesis attempted on %s]\n", keystring);
2188 while (keystring && (unichar = g_utf8_get_char (keystring))) {
2193 mbytes = g_unichar_to_utf8 (unichar, bytes);
2194 bytes[mbytes] = '\0';
2196 fprintf (stderr, "[unichar %s]", bytes);
2198 keysym = dec_keysym_for_unichar (controller, unichar);
2199 if (keysym == NoSymbol) {
2201 fprintf (stderr, "no keysym for %s", bytes);
2206 keysyms[i++] = keysym;
2207 keystring = g_utf8_next_char (keystring);
2210 XSynchronize (spi_get_display (), TRUE);
2211 for (i = 0; keysyms[i]; ++i) {
2212 if (!dec_synth_keysym (controller, keysyms[i])) {
2214 fprintf (stderr, "could not synthesize %c\n",
2221 XSynchronize (spi_get_display (), FALSE);
2230 * CORBA Accessibility::DEController::registerKeystrokeListener
2231 * method implementation
2234 impl_generate_keyboard_event (PortableServer_Servant servant,
2235 const CORBA_long keycode,
2236 const CORBA_char *keystring,
2237 const Accessibility_KeySynthType synth_type,
2238 CORBA_Environment *ev)
2240 SpiDEController *controller =
2241 SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
2246 fprintf (stderr, "synthesizing keystroke %ld, type %d\n",
2247 (long) keycode, (int) synth_type);
2249 /* TODO: hide/wrap/remove X dependency */
2252 * TODO: when initializing, query for XTest extension before using,
2253 * and fall back to XSendEvent() if XTest is not available.
2256 gdk_error_trap_push ();
2260 case Accessibility_KEY_PRESS:
2261 dec_synth_keycode_press (controller, keycode);
2263 case Accessibility_KEY_PRESSRELEASE:
2264 dec_synth_keycode_press (controller, keycode);
2265 case Accessibility_KEY_RELEASE:
2266 dec_synth_keycode_release (controller, keycode);
2268 case Accessibility_KEY_SYM:
2269 #ifdef SPI_XKB_DEBUG
2270 fprintf (stderr, "KeySym synthesis\n");
2273 * note: we are using long for 'keycode'
2274 * in our arg list; it can contain either
2275 * a keycode or a keysym.
2277 dec_synth_keysym (controller, (KeySym) keycode);
2279 case Accessibility_KEY_STRING:
2280 if (!dec_synth_keystring (controller, keystring))
2281 fprintf (stderr, "Keystring synthesis failure, string=%s\n",
2285 if ((err = gdk_error_trap_pop ()))
2287 DBG (-1, g_warning ("Error [%d] emitting keystroke", err));
2289 if (synth_type == Accessibility_KEY_SYM) {
2293 keysym = XkbKeycodeToKeysym (spi_get_display (), keycode, 0, 0);
2295 if (XkbKeysymToModifiers (spi_get_display (), keysym) == 0)
2297 spi_dec_clear_unlatch_pending (controller);
2301 /* Accessibility::DEController::generateMouseEvent */
2303 impl_generate_mouse_event (PortableServer_Servant servant,
2306 const CORBA_char *eventName,
2307 CORBA_Environment *ev)
2310 gboolean error = FALSE;
2311 Display *display = spi_get_display ();
2313 fprintf (stderr, "generating mouse %s event at %ld, %ld\n",
2314 eventName, (long int) x, (long int) y);
2316 switch (eventName[0])
2319 switch (eventName[1])
2321 /* TODO: check number of buttons before parsing */
2342 if (x != -1 && y != -1)
2344 XTestFakeMotionEvent (display, DefaultScreen (display),
2347 XTestFakeButtonEvent (display, button, !(eventName[2] == 'r'), 0);
2348 if (eventName[2] == 'c')
2349 XTestFakeButtonEvent (display, button, FALSE, 1);
2350 else if (eventName[2] == 'd')
2352 XTestFakeButtonEvent (display, button, FALSE, 1);
2353 XTestFakeButtonEvent (display, button, TRUE, 2);
2354 XTestFakeButtonEvent (display, button, FALSE, 3);
2358 case 'r': /* relative motion */
2359 XTestFakeRelativeMotionEvent (display, x, y, 0);
2361 case 'a': /* absolute motion */
2362 XTestFakeMotionEvent (display, DefaultScreen (display),
2368 /* Accessibility::DEController::notifyListenersSync */
2369 static CORBA_boolean
2370 impl_notify_listeners_sync (PortableServer_Servant servant,
2371 const Accessibility_DeviceEvent *event,
2372 CORBA_Environment *ev)
2374 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
2375 bonobo_object_from_servant (servant));
2377 g_print ("notifylistening listeners synchronously: controller %p, event id %d\n",
2378 controller, (int) event->id);
2380 return spi_controller_notify_keylisteners (controller, event, CORBA_FALSE, ev) ?
2381 CORBA_TRUE : CORBA_FALSE;
2384 /* Accessibility::DEController::notifyListenersAsync */
2386 impl_notify_listeners_async (PortableServer_Servant servant,
2387 const Accessibility_DeviceEvent *event,
2388 CORBA_Environment *ev)
2390 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
2391 bonobo_object_from_servant (servant));
2393 fprintf (stderr, "notifying listeners asynchronously\n");
2395 spi_controller_notify_keylisteners (controller, event, CORBA_FALSE, ev);
2399 spi_device_event_controller_class_init (SpiDEControllerClass *klass)
2401 GObjectClass * object_class = (GObjectClass *) klass;
2402 POA_Accessibility_DeviceEventController__epv *epv = &klass->epv;
2404 spi_device_event_controller_parent_class = g_type_class_peek_parent (klass);
2406 object_class->finalize = spi_device_event_controller_object_finalize;
2408 epv->registerKeystrokeListener = impl_register_keystroke_listener;
2409 epv->deregisterKeystrokeListener = impl_deregister_keystroke_listener;
2410 epv->registerDeviceEventListener = impl_register_device_listener;
2411 epv->deregisterDeviceEventListener = impl_deregister_device_listener;
2412 epv->generateKeyboardEvent = impl_generate_keyboard_event;
2413 epv->generateMouseEvent = impl_generate_mouse_event;
2414 epv->notifyListenersSync = impl_notify_listeners_sync;
2415 epv->notifyListenersAsync = impl_notify_listeners_async;
2417 if (!spi_dec_private_quark)
2418 spi_dec_private_quark = g_quark_from_static_string ("spi-dec-private");
2422 Bool isEvent(dpy,event,arg)
2431 handle_io (GIOChannel *source,
2432 GIOCondition condition,
2435 SpiDEController *controller = (SpiDEController *) data;
2436 gboolean is_consumed = FALSE;
2439 while (XCheckIfEvent(controller->xevie_display, &ev, isEvent, NULL))
2441 if (ev.type == KeyPress || ev.type == KeyRelease)
2442 is_consumed = spi_device_event_controller_forward_key_event (controller, &ev);
2445 XevieSendEvent(controller->xevie_display, &ev, XEVIE_UNMODIFIED);
2450 #endif /* HAVE_XEVIE */
2453 spi_device_event_controller_init (SpiDEController *device_event_controller)
2458 #endif /* HAVE_XEVIE */
2460 DEControllerPrivateData *private;
2461 device_event_controller->key_listeners = NULL;
2462 device_event_controller->mouse_listeners = NULL;
2463 device_event_controller->keygrabs_list = NULL;
2464 device_event_controller->xevie_display = NULL;
2467 device_event_controller->xevie_display = XOpenDisplay(NULL);
2469 if (XevieStart(device_event_controller->xevie_display) == TRUE)
2471 #ifdef SPI_KEYEVENT_DEBUG
2472 fprintf (stderr, "XevieStart() success \n");
2474 XevieSelectInput(device_event_controller->xevie_display, KeyPressMask | KeyReleaseMask);
2476 fd = ConnectionNumber(device_event_controller->xevie_display);
2477 ioc = g_io_channel_unix_new (fd);
2478 g_io_add_watch (ioc, G_IO_IN | G_IO_HUP, handle_io, device_event_controller);
2479 g_io_channel_unref (ioc);
2483 device_event_controller->xevie_display = NULL;
2484 #ifdef SPI_KEYEVENT_DEBUG
2485 fprintf (stderr, "XevieStart() failed, only one client is allowed to do event int exception\n");
2488 #endif /* HAVE_XEVIE */
2490 private = g_new0 (DEControllerPrivateData, 1);
2491 gettimeofday (&private->last_press_time, NULL);
2492 gettimeofday (&private->last_release_time, NULL);
2493 g_object_set_qdata (G_OBJECT (device_event_controller),
2494 spi_dec_private_quark,
2496 spi_controller_register_with_devices (device_event_controller);
2500 spi_device_event_controller_forward_key_event (SpiDEController *controller,
2501 const XEvent *event)
2503 CORBA_Environment ev;
2504 Accessibility_DeviceEvent key_event;
2506 g_assert (event->type == KeyPress || event->type == KeyRelease);
2508 CORBA_exception_init (&ev);
2510 key_event = spi_keystroke_from_x_key_event ((XKeyEvent *) event);
2512 if (controller->xevie_display == NULL)
2513 spi_controller_update_key_grabs (controller, &key_event);
2515 /* relay to listeners, and decide whether to consume it or not */
2516 return spi_controller_notify_keylisteners (controller, &key_event, CORBA_TRUE, &ev);
2520 spi_device_event_controller_new (SpiRegistry *registry)
2522 SpiDEController *retval = g_object_new (
2523 SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL);
2525 retval->registry = SPI_REGISTRY (bonobo_object_ref (
2526 BONOBO_OBJECT (registry)));
2528 spi_dec_init_mouse_listener (registry);
2529 /* TODO: kill mouse listener on finalize */
2534 is_key_released (KeyCode code)
2539 XQueryKeymap (spi_get_display (), keys);
2540 down = BIT (keys, code);
2545 check_release (gpointer data)
2548 Accessibility_DeviceEvent *event = (Accessibility_DeviceEvent *)data;
2549 KeyCode code = event->hw_code;
2550 CORBA_Environment ev;
2552 released = is_key_released (code);
2556 check_release_handler = 0;
2557 event->type = Accessibility_KEY_RELEASED_EVENT;
2558 ev._major = CORBA_NO_EXCEPTION;
2559 spi_controller_notify_keylisteners (saved_controller, event, CORBA_TRUE, &ev);
2561 return (released == 0);
2564 static void wait_for_release_event (XEvent *event,
2565 SpiDEController *controller)
2567 pressed_event = spi_keystroke_from_x_key_event ((XKeyEvent *) event);
2568 saved_controller = controller;
2569 check_release_handler = g_timeout_add (CHECK_RELEASE_DELAY, check_release, &pressed_event);
2572 BONOBO_TYPE_FUNC_FULL (SpiDEController,
2573 Accessibility_DeviceEventController,
2575 spi_device_event_controller)