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 static 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);
462 CORBA_free (e.any_data._value);
474 spi_dec_mouse_check (SpiDEController *controller,
475 int *x, int *y, gboolean *moved)
477 Accessibility_Event e;
478 Accessibility_EventDetails *details;
479 CORBA_Environment ev;
480 int win_x_return,win_y_return;
481 unsigned int mask_return;
482 Window root_return, child_return;
483 Display *display = spi_get_display ();
486 XQueryPointer(display, DefaultRootWindow (display),
487 &root_return, &child_return,
489 &win_x_return, &win_y_return, &mask_return);
491 * Since many clients grab the pointer, and X goes an automatic
492 * pointer grab on mouse-down, we often must detect mouse button events
493 * by polling rather than via a button grab.
494 * The while loop (rather than if) is used since it's possible that
495 * multiple buttons have changed state since we last checked.
497 if (mask_return != mouse_mask_state)
499 while (spi_dec_button_update_and_emit (controller, mask_return));
502 if (*x != last_mouse_pos->x || *y != last_mouse_pos->y)
504 e.type = "mouse:abs";
505 e.source = BONOBO_OBJREF (controller->registry->desktop);
508 spi_init_any_nil (&e.any_data,
509 spi_accessible_new_return (atk_get_root (), FALSE, NULL),
510 Accessibility_ROLE_UNKNOWN,
512 CORBA_exception_init (&ev);
513 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
516 details = e.any_data._value;
517 CORBA_free (details);
518 e.type = "mouse:rel";
519 e.source = BONOBO_OBJREF (controller->registry->desktop);
520 e.detail1 = *x - last_mouse_pos->x;
521 e.detail2 = *y - last_mouse_pos->y;
522 spi_init_any_nil (&e.any_data,
523 spi_accessible_new_return (atk_get_root (), FALSE, NULL),
524 Accessibility_ROLE_UNKNOWN,
526 CORBA_exception_init (&ev);
527 last_mouse_pos->x = *x;
528 last_mouse_pos->y = *y;
529 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
532 details = e.any_data._value;
533 CORBA_free (details);
545 spi_dec_emit_modifier_event (SpiDEController *controller, guint prev_mask,
548 Accessibility_Event e;
549 CORBA_Environment ev;
552 fprintf (stderr, "MODIFIER CHANGE EVENT! %x to %x\n",
553 prev_mask, current_mask);
556 /* set bits for the virtual modifiers like NUMLOCK */
557 if (prev_mask & _numlock_physical_mask)
558 prev_mask |= SPI_KEYMASK_NUMLOCK;
559 if (current_mask & _numlock_physical_mask)
560 current_mask |= SPI_KEYMASK_NUMLOCK;
562 e.type = "keyboard:modifiers";
563 e.source = BONOBO_OBJREF (controller->registry->desktop);
564 e.detail1 = prev_mask & key_modifier_mask;
565 e.detail2 = current_mask & key_modifier_mask;
566 spi_init_any_nil (&e.any_data,
567 spi_accessible_new_return (atk_get_root (), FALSE, NULL),
568 Accessibility_ROLE_UNKNOWN,
570 CORBA_exception_init (&ev);
571 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
574 CORBA_free (e.any_data._value);
578 spi_dec_poll_mouse_moved (gpointer data)
580 SpiRegistry *registry = SPI_REGISTRY (data);
581 SpiDEController *controller = registry->de_controller;
586 mask_return = spi_dec_mouse_check (controller, &x, &y, &moved);
588 if ((mask_return & key_modifier_mask) !=
589 (mouse_mask_state & key_modifier_mask))
591 spi_dec_emit_modifier_event (controller, mouse_mask_state, mask_return);
592 mouse_mask_state = mask_return;
599 spi_dec_poll_mouse_idle (gpointer data)
601 if (! spi_dec_poll_mouse_moved (data))
605 g_timeout_add (20, spi_dec_poll_mouse_moving, data);
611 spi_dec_poll_mouse_moving (gpointer data)
613 if (spi_dec_poll_mouse_moved (data))
617 g_timeout_add (100, spi_dec_poll_mouse_idle, data);
622 #ifdef WE_NEED_UGRAB_MOUSE
624 spi_dec_ungrab_mouse (gpointer data)
626 Display *display = spi_get_display ();
629 XUngrabButton (spi_get_display (), AnyButton, AnyModifier,
630 XDefaultRootWindow (spi_get_display ()));
637 spi_dec_init_mouse_listener (SpiRegistry *registry)
640 Display *display = spi_get_display ();
642 g_timeout_add (100, spi_dec_poll_mouse_idle, registry);
647 if (XGrabButton (display, AnyButton, AnyModifier,
648 gdk_x11_get_default_root_xwindow (),
649 True, ButtonPressMask | ButtonReleaseMask,
650 GrabModeSync, GrabModeAsync, None, None) != Success) {
652 fprintf (stderr, "WARNING: could not grab mouse buttons!\n");
656 XSync (display, False);
658 fprintf (stderr, "mouse buttons grabbed\n");
665 * Eventually we can use this to make the marshalling of mask types
666 * more sane, but for now we just use this to detect
667 * the use of 'virtual' masks such as numlock and convert them to
668 * system-specific mask values (i.e. ModMask).
671 static Accessibility_ControllerEventMask
672 spi_dec_translate_mask (Accessibility_ControllerEventMask mask)
674 Accessibility_ControllerEventMask tmp_mask;
675 gboolean has_numlock;
677 has_numlock = (mask & SPI_KEYMASK_NUMLOCK);
681 tmp_mask = mask ^ SPI_KEYMASK_NUMLOCK;
682 tmp_mask |= _numlock_physical_mask;
688 static DEControllerKeyListener *
689 spi_dec_key_listener_new (CORBA_Object l,
690 const Accessibility_KeySet *keys,
691 const Accessibility_ControllerEventMask mask,
692 const Accessibility_EventTypeSeq *typeseq,
693 const Accessibility_EventListenerMode *mode,
694 CORBA_Environment *ev)
696 DEControllerKeyListener *key_listener = g_new0 (DEControllerKeyListener, 1);
697 key_listener->listener.object = bonobo_object_dup_ref (l, ev);
698 key_listener->listener.type = SPI_DEVICE_TYPE_KBD;
699 key_listener->keys = ORBit_copy_value (keys, TC_Accessibility_KeySet);
700 key_listener->mask = spi_dec_translate_mask (mask);
701 key_listener->listener.typeseq = ORBit_copy_value (typeseq, TC_Accessibility_EventTypeSeq);
703 key_listener->mode = ORBit_copy_value (mode, TC_Accessibility_EventListenerMode);
705 key_listener->mode = NULL;
708 g_print ("new listener, with mask %x, is_global %d, keys %p (%d)\n",
709 (unsigned int) key_listener->mask,
710 (int) (mode ? mode->global : 0),
711 (void *) key_listener->keys,
712 (int) (key_listener->keys ? key_listener->keys->_length : 0));
718 static DEControllerListener *
719 spi_dec_listener_new (CORBA_Object l,
720 const Accessibility_EventTypeSeq *typeseq,
721 CORBA_Environment *ev)
723 DEControllerListener *listener = g_new0 (DEControllerListener, 1);
724 listener->object = bonobo_object_dup_ref (l, ev);
725 listener->type = SPI_DEVICE_TYPE_MOUSE;
726 listener->typeseq = ORBit_copy_value (typeseq, TC_Accessibility_EventTypeSeq);
730 static DEControllerListener *
731 spi_listener_clone (DEControllerListener *listener, CORBA_Environment *ev)
733 DEControllerListener *clone = g_new0 (DEControllerListener, 1);
735 CORBA_Object_duplicate (listener->object, ev);
736 clone->type = listener->type;
737 clone->typeseq = ORBit_copy_value (listener->typeseq, TC_Accessibility_EventTypeSeq);
741 static DEControllerKeyListener *
742 spi_key_listener_clone (DEControllerKeyListener *key_listener, CORBA_Environment *ev)
744 DEControllerKeyListener *clone = g_new0 (DEControllerKeyListener, 1);
745 clone->listener.object =
746 CORBA_Object_duplicate (key_listener->listener.object, ev);
747 clone->listener.type = SPI_DEVICE_TYPE_KBD;
748 clone->keys = ORBit_copy_value (key_listener->keys, TC_Accessibility_KeySet);
749 clone->mask = key_listener->mask;
750 clone->listener.typeseq = ORBit_copy_value (key_listener->listener.typeseq, TC_Accessibility_EventTypeSeq);
751 if (key_listener->mode)
752 clone->mode = ORBit_copy_value (key_listener->mode, TC_Accessibility_EventListenerMode);
759 spi_key_listener_data_free (DEControllerKeyListener *key_listener, CORBA_Environment *ev)
761 CORBA_free (key_listener->listener.typeseq);
762 CORBA_free (key_listener->keys);
763 g_free (key_listener);
767 spi_key_listener_clone_free (DEControllerKeyListener *clone, CORBA_Environment *ev)
769 CORBA_Object_release (clone->listener.object, ev);
770 spi_key_listener_data_free (clone, ev);
774 spi_listener_clone_free (DEControllerListener *clone, CORBA_Environment *ev)
776 CORBA_Object_release (clone->object, ev);
777 CORBA_free (clone->typeseq);
782 spi_dec_listener_free (DEControllerListener *listener,
783 CORBA_Environment *ev)
785 bonobo_object_release_unref (listener->object, ev);
786 if (listener->type == SPI_DEVICE_TYPE_KBD)
787 spi_key_listener_data_free ((DEControllerKeyListener *) listener, ev);
791 _register_keygrab (SpiDEController *controller,
792 DEControllerGrabMask *grab_mask)
796 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
797 spi_grab_mask_compare_values);
800 DEControllerGrabMask *cur_mask = l->data;
802 cur_mask->ref_count++;
803 if (cur_mask->pending_remove)
805 cur_mask->pending_remove = FALSE;
810 controller->keygrabs_list =
811 g_list_prepend (controller->keygrabs_list,
812 spi_grab_mask_clone (grab_mask));
817 _deregister_keygrab (SpiDEController *controller,
818 DEControllerGrabMask *grab_mask)
822 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
823 spi_grab_mask_compare_values);
827 DEControllerGrabMask *cur_mask = l->data;
829 cur_mask->ref_count--;
830 if (cur_mask->ref_count <= 0)
832 cur_mask->pending_remove = TRUE;
837 DBG (1, g_warning ("De-registering non-existant grab"));
842 handle_keygrab (SpiDEController *controller,
843 DEControllerKeyListener *key_listener,
844 void (*process_cb) (SpiDEController *controller,
845 DEControllerGrabMask *grab_mask))
847 DEControllerGrabMask grab_mask = { 0 };
849 grab_mask.mod_mask = key_listener->mask;
850 if (key_listener->keys->_length == 0) /* special case means AnyKey/AllKeys */
852 grab_mask.key_val = AnyKey;
854 fprintf (stderr, "AnyKey grab!");
856 process_cb (controller, &grab_mask);
862 for (i = 0; i < key_listener->keys->_length; ++i)
864 Accessibility_KeyDefinition keydef = key_listener->keys->_buffer[i];
865 long int key_val = keydef.keysym;
866 /* X Grabs require keycodes, not keysyms */
867 if (keydef.keystring && keydef.keystring[0])
869 key_val = XStringToKeysym(keydef.keystring);
873 key_val = XKeysymToKeycode (spi_get_display (), (KeySym) key_val);
877 key_val = keydef.keycode;
879 grab_mask.key_val = key_val;
880 process_cb (controller, &grab_mask);
886 spi_controller_register_global_keygrabs (SpiDEController *controller,
887 DEControllerKeyListener *key_listener)
889 handle_keygrab (controller, key_listener, _register_keygrab);
890 if (controller->xevie_display == NULL)
891 return spi_controller_update_key_grabs (controller, NULL);
897 spi_controller_deregister_global_keygrabs (SpiDEController *controller,
898 DEControllerKeyListener *key_listener)
900 handle_keygrab (controller, key_listener, _deregister_keygrab);
901 if (controller->xevie_display == NULL)
902 spi_controller_update_key_grabs (controller, NULL);
906 spi_controller_register_device_listener (SpiDEController *controller,
907 DEControllerListener *listener,
908 CORBA_Environment *ev)
910 DEControllerKeyListener *key_listener;
912 switch (listener->type) {
913 case SPI_DEVICE_TYPE_KBD:
914 key_listener = (DEControllerKeyListener *) listener;
916 controller->key_listeners = g_list_prepend (controller->key_listeners,
918 if (key_listener->mode->global)
920 return spi_controller_register_global_keygrabs (controller, key_listener);
925 case SPI_DEVICE_TYPE_MOUSE:
926 controller->mouse_listeners = g_list_prepend (controller->mouse_listeners, listener);
929 DBG (1, g_warning ("listener registration for unknown device type.\n"));
936 spi_controller_notify_mouselisteners (SpiDEController *controller,
937 const Accessibility_DeviceEvent *event,
938 CORBA_Environment *ev)
941 GSList *notify = NULL, *l2;
942 GList **listeners = &controller->mouse_listeners;
943 gboolean is_consumed;
944 #ifdef SPI_KEYEVENT_DEBUG
945 gboolean found = FALSE;
952 for (l = *listeners; l; l = l->next)
954 DEControllerListener *listener = l->data;
956 if (spi_eventtype_seq_contains_event (listener->typeseq, event))
958 Accessibility_DeviceEventListener ls = listener->object;
960 if (ls != CORBA_OBJECT_NIL)
962 /* we clone (don't dup) the listener, to avoid refcount inc. */
963 notify = g_slist_prepend (notify,
964 spi_listener_clone (listener, ev));
965 #ifdef SPI_KEYEVENT_DEBUG
972 #ifdef SPI_KEYEVENT_DEBUG
975 g_print ("no match for event\n");
980 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
982 DEControllerListener *listener = l2->data;
983 Accessibility_DeviceEventListener ls = listener->object;
985 CORBA_exception_init (ev);
986 is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, event, ev);
990 DBG (2, g_warning ("error notifying listener, removing it\n"));
991 spi_deregister_controller_device_listener (controller, listener,
993 CORBA_exception_free (ev);
996 spi_listener_clone_free ((DEControllerListener *) l2->data, ev);
999 for (; l2; l2 = l2->next)
1001 DEControllerListener *listener = l2->data;
1002 spi_listener_clone_free (listener, ev);
1003 /* clone doesn't have its own ref, so don't use spi_device_listener_free */
1006 g_slist_free (notify);
1009 if (is_consumed) g_message ("consumed\n");
1015 spi_device_event_controller_forward_mouse_event (SpiDEController *controller,
1018 Accessibility_Event e;
1019 Accessibility_DeviceEvent mouse_e;
1020 CORBA_Environment ev;
1021 gchar event_name[24];
1022 gboolean is_consumed = FALSE;
1023 gboolean xkb_mod_unlatch_occurred;
1024 XButtonEvent *xbutton_event = (XButtonEvent *) xevent;
1026 int button = xbutton_event->button;
1028 unsigned int mouse_button_state = xbutton_event->state;
1033 mouse_button_state |= Button1Mask;
1036 mouse_button_state |= Button2Mask;
1039 mouse_button_state |= Button3Mask;
1042 mouse_button_state |= Button4Mask;
1045 mouse_button_state |= Button5Mask;
1049 last_mouse_pos->x = ((XButtonEvent *) xevent)->x_root;
1050 last_mouse_pos->y = ((XButtonEvent *) xevent)->y_root;
1053 fprintf (stderr, "mouse button %d %s (%x)\n",
1054 xbutton_event->button,
1055 (xevent->type == ButtonPress) ? "Press" : "Release",
1056 mouse_button_state);
1058 snprintf (event_name, 22, "mouse:button:%d%c", button,
1059 (xevent->type == ButtonPress) ? 'p' : 'r');
1061 /* TODO: FIXME distinguish between physical and logical buttons */
1062 mouse_e.type = (xevent->type == ButtonPress) ?
1063 Accessibility_BUTTON_PRESSED_EVENT :
1064 Accessibility_BUTTON_RELEASED_EVENT;
1065 mouse_e.id = button;
1066 mouse_e.hw_code = button;
1067 mouse_e.modifiers = (CORBA_unsigned_short) xbutton_event->state;
1068 mouse_e.timestamp = (CORBA_unsigned_long) xbutton_event->time;
1069 mouse_e.event_string = "";
1070 mouse_e.is_text = CORBA_FALSE;
1071 if ((mouse_button_state & mouse_button_mask) !=
1072 (mouse_mask_state & mouse_button_mask))
1074 if ((mouse_mask_state & key_modifier_mask) !=
1075 (mouse_button_state & key_modifier_mask))
1076 spi_dec_emit_modifier_event (controller,
1077 mouse_mask_state, mouse_button_state);
1078 mouse_mask_state = mouse_button_state;
1080 spi_controller_notify_mouselisteners (controller, &mouse_e, &ev);
1081 e.type = CORBA_string_dup (event_name);
1082 e.source = BONOBO_OBJREF (controller->registry->desktop);
1083 e.detail1 = last_mouse_pos->x;
1084 e.detail2 = last_mouse_pos->y;
1085 spi_init_any_nil (&e.any_data,
1086 spi_accessible_new_return (atk_get_root (), FALSE, NULL),
1087 Accessibility_ROLE_UNKNOWN,
1089 CORBA_exception_init (&ev);
1091 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
1094 CORBA_free (e.any_data._value);
1097 xkb_mod_unlatch_occurred = (xevent->type == ButtonPress ||
1098 xevent->type == ButtonRelease);
1100 /* if client wants to consume this event, and XKB latch state was
1101 * unset by this button event, we reset it
1103 if (is_consumed && xkb_mod_unlatch_occurred)
1104 spi_dec_set_unlatch_pending (controller, mouse_mask_state);
1106 XAllowEvents (spi_get_display (),
1107 (is_consumed) ? SyncPointer : ReplayPointer,
1111 static GdkFilterReturn
1112 global_filter_fn (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
1114 XEvent *xevent = gdk_xevent;
1115 SpiDEController *controller;
1116 DEControllerPrivateData *priv;
1117 Display *display = spi_get_display ();
1118 controller = SPI_DEVICE_EVENT_CONTROLLER (data);
1119 priv = (DEControllerPrivateData *)
1120 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
1122 if (xevent->type == KeyPress || xevent->type == KeyRelease)
1124 if (controller->xevie_display == NULL)
1126 gboolean is_consumed;
1129 spi_device_event_controller_forward_key_event (controller, xevent);
1136 n_events = XPending (display);
1138 #ifdef SPI_KEYEVENT_DEBUG
1139 g_print ("Number of events pending: %d\n", n_events);
1141 for (i = 0; i < n_events; i++)
1143 XNextEvent (display, &next_event);
1144 if (next_event.type != KeyPress &&
1145 next_event.type != KeyRelease)
1146 g_warning ("Unexpected event type %d in queue", next_event.type);
1149 XAllowEvents (display, AsyncKeyboard, CurrentTime);
1151 XUngrabKeyboard (display, CurrentTime);
1155 if (xevent->type == KeyPress)
1156 wait_for_release_event (xevent, controller);
1157 XAllowEvents (display, ReplayKeyboard, CurrentTime);
1161 return GDK_FILTER_CONTINUE;
1163 if (xevent->type == ButtonPress || xevent->type == ButtonRelease)
1165 spi_device_event_controller_forward_mouse_event (controller, xevent);
1167 if (xevent->type == priv->xkb_base_event_code)
1169 XkbAnyEvent * xkb_ev = (XkbAnyEvent *) xevent;
1170 /* ugly but probably necessary...*/
1171 XSynchronize (display, TRUE);
1173 if (xkb_ev->xkb_type == XkbStateNotify)
1175 XkbStateNotifyEvent *xkb_snev =
1176 (XkbStateNotifyEvent *) xkb_ev;
1177 /* check the mouse, to catch mouse events grabbed by
1178 * another client; in case we should revert this XKB delatch
1180 if (!priv->pending_xkb_mod_relatch_mask)
1184 spi_dec_mouse_check (controller, &x, &y, &moved);
1186 /* we check again, since the previous call may have
1187 changed this flag */
1188 if (priv->pending_xkb_mod_relatch_mask)
1190 unsigned int feedback_mask;
1191 #ifdef SPI_XKB_DEBUG
1192 fprintf (stderr, "relatching %x\n",
1193 priv->pending_xkb_mod_relatch_mask);
1195 /* temporarily turn off the latch bell, if it's on */
1196 XkbGetControls (display,
1197 XkbAccessXFeedbackMask,
1199 feedback_mask = priv->xkb_desc->ctrls->ax_options;
1200 if (feedback_mask & XkbAX_StickyKeysFBMask)
1202 XkbControlsChangesRec changes = {XkbAccessXFeedbackMask,
1204 priv->xkb_desc->ctrls->ax_options
1205 &= ~(XkbAX_StickyKeysFBMask);
1206 XkbChangeControls (display, priv->xkb_desc, &changes);
1208 /* TODO: account for lock as well as latch */
1209 XkbLatchModifiers (display,
1211 priv->pending_xkb_mod_relatch_mask,
1212 priv->pending_xkb_mod_relatch_mask);
1213 if (feedback_mask & XkbAX_StickyKeysFBMask)
1215 XkbControlsChangesRec changes = {XkbAccessXFeedbackMask,
1217 priv->xkb_desc->ctrls->ax_options = feedback_mask;
1218 XkbChangeControls (display, priv->xkb_desc, &changes);
1220 #ifdef SPI_XKB_DEBUG
1221 fprintf (stderr, "relatched %x\n",
1222 priv->pending_xkb_mod_relatch_mask);
1224 priv->pending_xkb_mod_relatch_mask = 0;
1228 priv->xkb_latch_mask = xkb_snev->latched_mods;
1232 DBG (2, g_warning ("XKB event %d\n", xkb_ev->xkb_type));
1233 XSynchronize (display, FALSE);
1236 return GDK_FILTER_CONTINUE;
1240 _spi_controller_device_error_handler (Display *display, XErrorEvent *error)
1242 if (error->error_code == BadAccess)
1244 g_message ("Could not complete key grab: grab already in use.\n");
1245 spi_error_code = BadAccess;
1250 return (*x_default_error_handler) (display, error);
1255 spi_controller_register_with_devices (SpiDEController *controller)
1257 DEControllerPrivateData *priv = (DEControllerPrivateData *)
1258 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
1259 /* FIXME: should check for extension first! */
1260 XTestGrabControl (spi_get_display (), True);
1262 /* calls to device-specific implementations and routines go here */
1263 /* register with: keyboard hardware code handler */
1264 /* register with: (translated) keystroke handler */
1266 priv->have_xkb = XkbQueryExtension (spi_get_display (),
1267 &priv->xkb_major_extension_opcode,
1268 &priv->xkb_base_event_code,
1269 &priv->xkb_base_error_code, NULL, NULL);
1273 guint64 reserved = 0;
1274 priv->xkb_desc = XkbGetMap (spi_get_display (), XkbKeySymsMask, XkbUseCoreKbd);
1275 XkbSelectEvents (spi_get_display (),
1277 XkbStateNotifyMask, XkbStateNotifyMask);
1278 _numlock_physical_mask = XkbKeysymToModifiers (spi_get_display (),
1280 for (i = priv->xkb_desc->max_key_code; i >= priv->xkb_desc->min_key_code; --i)
1282 if (priv->xkb_desc->map->key_sym_map[i].kt_index[0] == XkbOneLevelIndex)
1284 if (XKeycodeToKeysym (spi_get_display (), i, 0) != 0)
1286 /* don't use this one if there's a grab client! */
1287 gdk_error_trap_push ();
1288 XGrabKey (spi_get_display (), i, 0,
1289 gdk_x11_get_default_root_xwindow (),
1291 GrabModeSync, GrabModeSync);
1292 XSync (spi_get_display (), TRUE);
1293 XUngrabKey (spi_get_display (), i, 0,
1294 gdk_x11_get_default_root_xwindow ());
1295 if (!gdk_error_trap_pop ())
1305 priv->reserved_keycode = reserved;
1306 priv->reserved_keysym = XKeycodeToKeysym (spi_get_display (), reserved, 0);
1310 priv->reserved_keycode = XKeysymToKeycode (spi_get_display (), XK_numbersign);
1311 priv->reserved_keysym = XK_numbersign;
1313 #ifdef SPI_RESERVED_DEBUG
1315 sym = XKeycodeToKeysym (spi_get_display (), reserved, 0);
1316 fprintf (stderr, "%x\n", sym);
1317 fprintf (stderr, "setting the reserved keycode to %d (%s)\n",
1319 XKeysymToString (XKeycodeToKeysym (spi_get_display (),
1324 gdk_window_add_filter (NULL, global_filter_fn, controller);
1326 gdk_window_set_events (gdk_get_default_root_window (),
1327 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK);
1329 x_default_error_handler = XSetErrorHandler (_spi_controller_device_error_handler);
1333 spi_key_set_contains_key (Accessibility_KeySet *key_set,
1334 const Accessibility_DeviceEvent *key_event)
1341 g_print ("null key set!");
1345 len = key_set->_length;
1347 if (len == 0) /* special case, means "all keys/any key" */
1349 g_print ("anykey\n");
1353 for (i = 0; i < len; ++i)
1355 #ifdef SPI_KEYEVENT_DEBUG
1356 g_print ("key_set[%d] event = %d, code = %d; key_event %d, code %d, string %s\n",
1358 (int)key_set->_buffer[i].keysym,
1359 (int) key_set->_buffer[i].keycode,
1360 (int) key_event->id,
1361 (int) key_event->hw_code,
1362 key_event->event_string);
1364 if (key_set->_buffer[i].keysym == (CORBA_long) key_event->id)
1368 if (key_set->_buffer[i].keycode == (CORBA_long) key_event->hw_code)
1372 if (key_event->event_string && key_event->event_string[0] &&
1373 !strcmp (key_set->_buffer[i].keystring, key_event->event_string))
1383 spi_eventtype_seq_contains_event (Accessibility_EventTypeSeq *type_seq,
1384 const Accessibility_DeviceEvent *event)
1392 g_print ("null type seq!");
1396 len = type_seq->_length;
1398 if (len == 0) /* special case, means "all events/any event" */
1403 for (i = 0; i < len; ++i)
1406 g_print ("type_seq[%d] = %d; event type = %d\n", i,
1407 (int) type_seq->_buffer[i], (int) event->type);
1409 if (type_seq->_buffer[i] == (CORBA_long) event->type)
1419 spi_key_event_matches_listener (const Accessibility_DeviceEvent *key_event,
1420 DEControllerKeyListener *listener,
1421 CORBA_boolean is_system_global)
1423 if ((key_event->modifiers == (CORBA_unsigned_short) (listener->mask & 0xFF)) &&
1424 spi_key_set_contains_key (listener->keys, key_event) &&
1425 spi_eventtype_seq_contains_event (listener->listener.typeseq, key_event) &&
1426 (is_system_global == listener->mode->global))
1437 spi_controller_notify_keylisteners (SpiDEController *controller,
1438 Accessibility_DeviceEvent *key_event,
1439 CORBA_boolean is_system_global,
1440 CORBA_Environment *ev)
1443 GSList *notify = NULL, *l2;
1444 GList **key_listeners = &controller->key_listeners;
1445 gboolean is_consumed;
1452 /* set the NUMLOCK event mask bit if appropriate: see bug #143702 */
1453 if (key_event->modifiers & _numlock_physical_mask)
1454 key_event->modifiers |= SPI_KEYMASK_NUMLOCK;
1456 for (l = *key_listeners; l; l = l->next)
1458 DEControllerKeyListener *key_listener = l->data;
1460 if (spi_key_event_matches_listener (key_event, key_listener, is_system_global))
1462 Accessibility_DeviceEventListener ls = key_listener->listener.object;
1464 if (ls != CORBA_OBJECT_NIL)
1466 /* we clone (don't dup) the listener, to avoid refcount inc. */
1467 notify = g_slist_prepend (notify,
1468 spi_key_listener_clone (key_listener, ev));
1473 #ifdef SPI_KEYEVENT_DEBUG
1476 g_print ("no match for event\n");
1480 is_consumed = FALSE;
1481 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
1483 DEControllerKeyListener *key_listener = l2->data;
1484 Accessibility_DeviceEventListener ls = key_listener->listener.object;
1486 is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, key_event, ev) &&
1487 key_listener->mode->preemptive;
1491 is_consumed = FALSE;
1492 spi_deregister_controller_key_listener (controller, key_listener,
1494 CORBA_exception_free (ev);
1497 spi_key_listener_clone_free (key_listener, ev);
1500 for (; l2; l2 = l2->next)
1502 DEControllerKeyListener *key_listener = l2->data;
1503 spi_key_listener_clone_free (key_listener, ev);
1504 /* clone doesn't have its own ref, so don't use spi_dec_listener_free */
1507 g_slist_free (notify);
1510 if (is_consumed) g_message ("consumed\n");
1516 spi_clear_error_state (void)
1518 gboolean retval = spi_error_code != 0;
1523 static Accessibility_DeviceEvent
1524 spi_keystroke_from_x_key_event (XKeyEvent *x_key_event)
1526 Accessibility_DeviceEvent key_event;
1528 const int cbuf_bytes = 20;
1532 nbytes = XLookupString (x_key_event, cbuf, cbuf_bytes, &keysym, NULL);
1533 key_event.id = (CORBA_long)(keysym);
1534 key_event.hw_code = (CORBA_short) x_key_event->keycode;
1535 if (((XEvent *) x_key_event)->type == KeyPress)
1537 key_event.type = Accessibility_KEY_PRESSED_EVENT;
1541 key_event.type = Accessibility_KEY_RELEASED_EVENT;
1543 key_event.modifiers = (CORBA_unsigned_short)(x_key_event->state);
1544 key_event.is_text = CORBA_FALSE;
1548 key_event.event_string = CORBA_string_dup ("space");
1551 key_event.event_string = CORBA_string_dup ("Tab");
1554 key_event.event_string = CORBA_string_dup ("Backspace");
1557 key_event.event_string = CORBA_string_dup ("Return");
1560 key_event.event_string = CORBA_string_dup ("Home");
1563 key_event.event_string = CORBA_string_dup ("Page_Down");
1566 key_event.event_string = CORBA_string_dup ("Page_Up");
1569 key_event.event_string = CORBA_string_dup ("F1");
1572 key_event.event_string = CORBA_string_dup ("F2");
1575 key_event.event_string = CORBA_string_dup ("F3");
1578 key_event.event_string = CORBA_string_dup ("F4");
1581 key_event.event_string = CORBA_string_dup ("F5");
1584 key_event.event_string = CORBA_string_dup ("F6");
1587 key_event.event_string = CORBA_string_dup ("F7");
1590 key_event.event_string = CORBA_string_dup ("F8");
1593 key_event.event_string = CORBA_string_dup ("F9");
1596 key_event.event_string = CORBA_string_dup ("F10");
1599 key_event.event_string = CORBA_string_dup ("F11");
1602 key_event.event_string = CORBA_string_dup ("F12");
1605 key_event.event_string = CORBA_string_dup ("End");
1608 key_event.event_string = CORBA_string_dup ("Escape");
1611 key_event.event_string = CORBA_string_dup ("Up");
1614 key_event.event_string = CORBA_string_dup ("Down");
1617 key_event.event_string = CORBA_string_dup ("Left");
1620 key_event.event_string = CORBA_string_dup ("Right");
1626 cbuf[nbytes] = '\0'; /* OK since length is cbuf_bytes+1 */
1627 key_event.event_string = CORBA_string_dup (cbuf);
1628 c = keysym2ucs (keysym);
1629 if (c > 0 && !g_unichar_iscntrl (c))
1631 key_event.is_text = CORBA_TRUE;
1632 /* incorrect for some composed chars? */
1637 key_event.event_string = CORBA_string_dup ("");
1641 key_event.timestamp = (CORBA_unsigned_long) x_key_event->time;
1642 #ifdef SPI_KEYEVENT_DEBUG
1644 char *pressed_str = "pressed";
1645 char *released_str = "released";
1648 if (key_event.type == Accessibility_KEY_PRESSED_EVENT)
1649 state_ptr = pressed_str;
1651 state_ptr = released_str;
1654 "Key %lu %s (%c), modifiers %d; string=%s [%x] %s\n",
1655 (unsigned long) keysym,
1657 keysym ? (int) keysym : '*',
1658 (int) x_key_event->state,
1659 key_event.event_string,
1660 key_event.event_string[0],
1661 (key_event.is_text == CORBA_TRUE) ? "(text)" : "(not text)");
1665 fprintf (stderr, "%s%c\n",
1666 (x_key_event->state & Mod1Mask)?"Alt-":"",
1667 ((x_key_event->state & ShiftMask)^(x_key_event->state & LockMask))?
1668 g_ascii_toupper (keysym) : g_ascii_tolower (keysym));
1669 fprintf (stderr, "serial: %x Time: %x\n", x_key_event->serial, x_key_event->time);
1670 #endif /* SPI_DEBUG */
1675 spi_controller_update_key_grabs (SpiDEController *controller,
1676 Accessibility_DeviceEvent *recv)
1679 gboolean update_failed = FALSE;
1680 KeyCode keycode = 0;
1682 g_return_val_if_fail (controller != NULL, FALSE);
1685 * masks known to work with default RH 7.1+:
1686 * 0 (no mods), LockMask, Mod1Mask, Mod2Mask, ShiftMask,
1687 * ShiftMask|LockMask, Mod1Mask|LockMask, Mod2Mask|LockMask,
1688 * ShiftMask|Mod1Mask, ShiftMask|Mod2Mask, Mod1Mask|Mod2Mask,
1689 * ShiftMask|LockMask|Mod1Mask, ShiftMask|LockMask|Mod2Mask,
1691 * ControlMask grabs are broken, must be in use already
1694 keycode = keycode_for_keysym (controller, recv->id, NULL);
1695 for (l = controller->keygrabs_list; l; l = next)
1698 gboolean re_issue_grab;
1699 DEControllerGrabMask *grab_mask = l->data;
1703 re_issue_grab = recv &&
1704 (recv->modifiers & grab_mask->mod_mask) &&
1705 (grab_mask->key_val == keycode);
1708 fprintf (stderr, "mask=%lx %lx (%c%c) %s\n",
1709 (long int) grab_mask->key_val,
1710 (long int) grab_mask->mod_mask,
1711 grab_mask->pending_add ? '+' : '.',
1712 grab_mask->pending_remove ? '-' : '.',
1713 re_issue_grab ? "re-issue": "");
1718 if (grab_mask->pending_add && grab_mask->pending_remove)
1722 else if (grab_mask->pending_remove)
1725 fprintf (stderr, "ungrabbing, mask=%x\n", grab_mask->mod_mask);
1727 XUngrabKey (spi_get_display (),
1729 grab_mask->mod_mask,
1730 gdk_x11_get_default_root_xwindow ());
1734 else if (grab_mask->pending_add || re_issue_grab)
1738 fprintf (stderr, "grab %d with mask %x\n", grab_mask->key_val, grab_mask->mod_mask);
1740 XGrabKey (spi_get_display (),
1742 grab_mask->mod_mask,
1743 gdk_x11_get_default_root_xwindow (),
1747 XSync (spi_get_display (), False);
1748 update_failed = spi_clear_error_state ();
1749 if (update_failed) {
1750 while (grab_mask->ref_count > 0) --grab_mask->ref_count;
1755 grab_mask->pending_add = FALSE;
1756 grab_mask->pending_remove = FALSE;
1760 g_assert (grab_mask->ref_count <= 0);
1762 controller->keygrabs_list = g_list_delete_link (
1763 controller->keygrabs_list, l);
1765 spi_grab_mask_free (grab_mask);
1770 return ! update_failed;
1774 * Implemented GObject::finalize
1777 spi_device_event_controller_object_finalize (GObject *object)
1779 SpiDEController *controller;
1780 DEControllerPrivateData *private;
1781 controller = SPI_DEVICE_EVENT_CONTROLLER (object);
1784 fprintf(stderr, "spi_device_event_controller_object_finalize called\n");
1786 /* disconnect any special listeners, get rid of outstanding keygrabs */
1787 XUngrabKey (spi_get_display (), AnyKey, AnyModifier, DefaultRootWindow (spi_get_display ()));
1790 if (controller->xevie_display != NULL)
1792 XevieEnd(controller->xevie_display);
1793 #ifdef SPI_KEYEVENT_DEBUG
1794 printf("XevieEnd(dpy) finished \n");
1799 private = g_object_get_data (G_OBJECT (controller), "spi-dec-private");
1800 if (private->xkb_desc)
1801 XkbFreeKeyboard (private->xkb_desc, 0, True);
1803 spi_device_event_controller_parent_class->finalize (object);
1807 * CORBA Accessibility::DEController::registerKeystrokeListener
1808 * method implementation
1810 static CORBA_boolean
1811 impl_register_keystroke_listener (PortableServer_Servant servant,
1812 const Accessibility_DeviceEventListener l,
1813 const Accessibility_KeySet *keys,
1814 const Accessibility_ControllerEventMask mask,
1815 const Accessibility_EventTypeSeq *type,
1816 const Accessibility_EventListenerMode *mode,
1817 CORBA_Environment *ev)
1819 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1820 bonobo_object_from_servant (servant));
1821 DEControllerKeyListener *dec_listener;
1823 fprintf (stderr, "registering keystroke listener %p with maskVal %lu\n",
1824 (void *) l, (unsigned long) mask);
1826 dec_listener = spi_dec_key_listener_new (l, keys, mask, type, mode, ev);
1827 return spi_controller_register_device_listener (
1828 controller, (DEControllerListener *) dec_listener, ev);
1833 * CORBA Accessibility::DEController::registerDeviceEventListener
1834 * method implementation
1836 static CORBA_boolean
1837 impl_register_device_listener (PortableServer_Servant servant,
1838 const Accessibility_DeviceEventListener l,
1839 const Accessibility_EventTypeSeq *event_types,
1840 CORBA_Environment *ev)
1842 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1843 bonobo_object_from_servant (servant));
1844 DEControllerListener *dec_listener;
1846 dec_listener = spi_dec_listener_new (l, event_types, ev);
1847 return spi_controller_register_device_listener (
1848 controller, (DEControllerListener *) dec_listener, ev);
1852 CORBA_Environment *ev;
1853 DEControllerListener *listener;
1854 } RemoveListenerClosure;
1856 static SpiReEntrantContinue
1857 remove_listener_cb (GList * const *list,
1860 DEControllerListener *listener = (*list)->data;
1861 RemoveListenerClosure *ctx = user_data;
1863 if (CORBA_Object_is_equivalent (ctx->listener->object,
1864 listener->object, ctx->ev))
1866 spi_re_entrant_list_delete_link (list);
1867 spi_dec_listener_free (listener, ctx->ev);
1870 return SPI_RE_ENTRANT_CONTINUE;
1873 static SpiReEntrantContinue
1874 copy_key_listener_cb (GList * const *list,
1877 DEControllerKeyListener *key_listener = (*list)->data;
1878 RemoveListenerClosure *ctx = user_data;
1880 if (CORBA_Object_is_equivalent (ctx->listener->object,
1881 key_listener->listener.object, ctx->ev))
1883 /* TODO: FIXME aggregate keys in case the listener is registered twice */
1884 DEControllerKeyListener *ctx_key_listener =
1885 (DEControllerKeyListener *) ctx->listener;
1886 CORBA_free (ctx_key_listener->keys);
1887 ctx_key_listener->keys = ORBit_copy_value (key_listener->keys, TC_Accessibility_KeySet);
1890 return SPI_RE_ENTRANT_CONTINUE;
1894 spi_deregister_controller_device_listener (SpiDEController *controller,
1895 DEControllerListener *listener,
1896 CORBA_Environment *ev)
1898 RemoveListenerClosure ctx;
1901 ctx.listener = listener;
1903 spi_re_entrant_list_foreach (&controller->mouse_listeners,
1904 remove_listener_cb, &ctx);
1908 spi_deregister_controller_key_listener (SpiDEController *controller,
1909 DEControllerKeyListener *key_listener,
1910 CORBA_Environment *ev)
1912 RemoveListenerClosure ctx;
1915 ctx.listener = (DEControllerListener *) key_listener;
1917 /* special case, copy keyset from existing controller list entry */
1918 if (key_listener->keys->_length == 0)
1920 spi_re_entrant_list_foreach (&controller->key_listeners,
1921 copy_key_listener_cb, &ctx);
1924 spi_controller_deregister_global_keygrabs (controller, key_listener);
1926 spi_re_entrant_list_foreach (&controller->key_listeners,
1927 remove_listener_cb, &ctx);
1932 * CORBA Accessibility::DEController::deregisterKeystrokeListener
1933 * method implementation
1936 impl_deregister_keystroke_listener (PortableServer_Servant servant,
1937 const Accessibility_DeviceEventListener l,
1938 const Accessibility_KeySet *keys,
1939 const Accessibility_ControllerEventMask mask,
1940 const Accessibility_EventTypeSeq *type,
1941 CORBA_Environment *ev)
1943 DEControllerKeyListener *key_listener;
1944 SpiDEController *controller;
1946 controller = SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
1948 key_listener = spi_dec_key_listener_new (l, keys, mask, type, NULL, ev);
1950 #ifdef SPI_DEREGISTER_DEBUG
1951 fprintf (stderr, "deregistering keystroke listener %p with maskVal %lu\n",
1952 (void *) l, (unsigned long) mask->value);
1955 spi_deregister_controller_key_listener (controller, key_listener, ev);
1957 spi_dec_listener_free ((DEControllerListener *) key_listener, ev);
1961 * CORBA Accessibility::DEController::deregisterDeviceEventListener
1962 * method implementation
1965 impl_deregister_device_listener (PortableServer_Servant servant,
1966 const Accessibility_DeviceEventListener l,
1967 const Accessibility_EventTypeSeq *event_types,
1968 CORBA_Environment *ev)
1970 SpiDEController *controller;
1971 DEControllerListener *listener =
1972 spi_dec_listener_new (l, event_types, ev);
1974 controller = SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
1976 spi_deregister_controller_device_listener (controller, listener, ev);
1978 spi_dec_listener_free (listener, ev);
1981 static unsigned int dec_xkb_get_slowkeys_delay (SpiDEController *controller)
1983 unsigned int retval = 0;
1984 DEControllerPrivateData *priv = (DEControllerPrivateData *)
1985 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
1987 #ifdef XKB_HAS_GET_SLOW_KEYS_DELAY
1988 retval = XkbGetSlowKeysDelay (spi_get_display (),
1989 XkbUseCoreKbd, &bounce_delay);
1991 if (!(priv->xkb_desc == (XkbDescPtr) BadAlloc || priv->xkb_desc == NULL))
1993 Status s = XkbGetControls (spi_get_display (),
1994 XkbAllControlsMask, priv->xkb_desc);
1997 if (priv->xkb_desc->ctrls->enabled_ctrls & XkbSlowKeysMask)
1998 retval = priv->xkb_desc->ctrls->slow_keys_delay;
2003 #ifdef SPI_XKB_DEBUG
2004 fprintf (stderr, "SlowKeys delay: %d\n", (int) retval);
2009 static unsigned int dec_xkb_get_bouncekeys_delay (SpiDEController *controller)
2011 unsigned int retval = 0;
2012 DEControllerPrivateData *priv = (DEControllerPrivateData *)
2013 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
2015 #ifdef XKB_HAS_GET_BOUNCE_KEYS_DELAY
2016 retval = XkbGetBounceKeysDelay (spi_get_display (),
2017 XkbUseCoreKbd, &bounce_delay);
2019 if (!(priv->xkb_desc == (XkbDescPtr) BadAlloc || priv->xkb_desc == NULL))
2021 Status s = XkbGetControls (spi_get_display (),
2022 XkbAllControlsMask, priv->xkb_desc);
2025 if (priv->xkb_desc->ctrls->enabled_ctrls & XkbBounceKeysMask)
2026 retval = priv->xkb_desc->ctrls->debounce_delay;
2031 #ifdef SPI_XKB_DEBUG
2032 fprintf (stderr, "BounceKeys delay: %d\n", (int) retval);
2038 dec_synth_keycode_press (SpiDEController *controller,
2039 unsigned int keycode)
2041 unsigned int time = CurrentTime;
2042 unsigned int bounce_delay;
2043 unsigned int elapsed_msec;
2045 DEControllerPrivateData *priv =
2046 (DEControllerPrivateData *) g_object_get_qdata (G_OBJECT (controller),
2047 spi_dec_private_quark);
2048 if (keycode == priv->last_release_keycode)
2050 bounce_delay = dec_xkb_get_bouncekeys_delay (controller);
2053 gettimeofday (&tv, NULL);
2055 (tv.tv_sec - priv->last_release_time.tv_sec) * 1000
2056 + (tv.tv_usec - priv->last_release_time.tv_usec) / 1000;
2057 #ifdef SPI_XKB_DEBUG
2058 fprintf (stderr, "%d ms elapsed (%ld usec)\n", elapsed_msec,
2059 (long) (tv.tv_usec - priv->last_release_time.tv_usec));
2061 #ifdef THIS_IS_BROKEN
2062 if (elapsed_msec < bounce_delay)
2063 time = bounce_delay - elapsed_msec + 1;
2065 time = bounce_delay + 10;
2066 /* fudge for broken XTest */
2068 #ifdef SPI_XKB_DEBUG
2069 fprintf (stderr, "waiting %d ms\n", time);
2073 XTestFakeKeyEvent (spi_get_display (), keycode, True, time);
2074 priv->last_press_keycode = keycode;
2075 XFlush (spi_get_display ());
2076 XSync (spi_get_display (), False);
2077 gettimeofday (&priv->last_press_time, NULL);
2082 dec_synth_keycode_release (SpiDEController *controller,
2083 unsigned int keycode)
2085 unsigned int time = CurrentTime;
2086 unsigned int slow_delay;
2087 unsigned int elapsed_msec;
2089 DEControllerPrivateData *priv =
2090 (DEControllerPrivateData *) g_object_get_qdata (G_OBJECT (controller),
2091 spi_dec_private_quark);
2092 if (keycode == priv->last_press_keycode)
2094 slow_delay = dec_xkb_get_slowkeys_delay (controller);
2097 gettimeofday (&tv, NULL);
2099 (tv.tv_sec - priv->last_press_time.tv_sec) * 1000
2100 + (tv.tv_usec - priv->last_press_time.tv_usec) / 1000;
2101 #ifdef SPI_XKB_DEBUG
2102 fprintf (stderr, "%d ms elapsed (%ld usec)\n", elapsed_msec,
2103 (long) (tv.tv_usec - priv->last_press_time.tv_usec));
2105 #ifdef THIS_IS_BROKEN_DUNNO_WHY
2106 if (elapsed_msec < slow_delay)
2107 time = slow_delay - elapsed_msec + 1;
2109 time = slow_delay + 10;
2110 /* our XTest seems broken, we have to add slop as above */
2112 #ifdef SPI_XKB_DEBUG
2113 fprintf (stderr, "waiting %d ms\n", time);
2117 XTestFakeKeyEvent (spi_get_display (), keycode, False, time);
2118 priv->last_release_keycode = keycode;
2119 XSync (spi_get_display (), False);
2120 gettimeofday (&priv->last_release_time, NULL);
2125 dec_get_modifier_state (SpiDEController *controller)
2127 return mouse_mask_state;
2131 dec_lock_modifiers (SpiDEController *controller, unsigned modifiers)
2133 return XkbLockModifiers (spi_get_display (), XkbUseCoreKbd,
2134 modifiers, modifiers);
2138 dec_unlock_modifiers (SpiDEController *controller, unsigned modifiers)
2140 return XkbLockModifiers (spi_get_display (), XkbUseCoreKbd,
2145 dec_keysym_for_unichar (SpiDEController *controller, gunichar unichar)
2147 return ucs2keysym ((long) unichar);
2151 dec_synth_keysym (SpiDEController *controller, KeySym keysym)
2153 KeyCode key_synth_code;
2154 unsigned int modifiers, synth_mods, lock_mods;
2156 key_synth_code = keycode_for_keysym (controller, keysym, &synth_mods);
2158 if ((key_synth_code == 0) || (synth_mods == 0xFF)) return FALSE;
2160 /* TODO: set the modifiers accordingly! */
2161 modifiers = dec_get_modifier_state (controller);
2162 /* side-effect; we may unset mousebutton modifiers here! */
2165 if (synth_mods != modifiers) {
2166 lock_mods = synth_mods & ~modifiers;
2167 dec_lock_modifiers (controller, lock_mods);
2169 dec_synth_keycode_press (controller, key_synth_code);
2170 dec_synth_keycode_release (controller, key_synth_code);
2172 if (synth_mods != modifiers)
2173 dec_unlock_modifiers (controller, lock_mods);
2179 dec_synth_keystring (SpiDEController *controller, const CORBA_char *keystring)
2181 /* probably we need to create and inject an XIM handler eventually. */
2182 /* for now, try to match the string to existing
2183 * keycode+modifier states.
2187 gunichar unichar = 0;
2189 gboolean retval = TRUE;
2192 maxlen = strlen (keystring);
2193 keysyms = g_new0 (KeySym, maxlen);
2194 if (!(keystring && *keystring && g_utf8_validate (keystring, -1, &c))) {
2199 fprintf (stderr, "[keystring synthesis attempted on %s]\n", keystring);
2201 while (keystring && (unichar = g_utf8_get_char (keystring))) {
2206 mbytes = g_unichar_to_utf8 (unichar, bytes);
2207 bytes[mbytes] = '\0';
2209 fprintf (stderr, "[unichar %s]", bytes);
2211 keysym = dec_keysym_for_unichar (controller, unichar);
2212 if (keysym == NoSymbol) {
2214 fprintf (stderr, "no keysym for %s", bytes);
2219 keysyms[i++] = keysym;
2220 keystring = g_utf8_next_char (keystring);
2223 XSynchronize (spi_get_display (), TRUE);
2224 for (i = 0; keysyms[i]; ++i) {
2225 if (!dec_synth_keysym (controller, keysyms[i])) {
2227 fprintf (stderr, "could not synthesize %c\n",
2234 XSynchronize (spi_get_display (), FALSE);
2243 * CORBA Accessibility::DEController::registerKeystrokeListener
2244 * method implementation
2247 impl_generate_keyboard_event (PortableServer_Servant servant,
2248 const CORBA_long keycode,
2249 const CORBA_char *keystring,
2250 const Accessibility_KeySynthType synth_type,
2251 CORBA_Environment *ev)
2253 SpiDEController *controller =
2254 SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
2259 fprintf (stderr, "synthesizing keystroke %ld, type %d\n",
2260 (long) keycode, (int) synth_type);
2262 /* TODO: hide/wrap/remove X dependency */
2265 * TODO: when initializing, query for XTest extension before using,
2266 * and fall back to XSendEvent() if XTest is not available.
2269 gdk_error_trap_push ();
2273 case Accessibility_KEY_PRESS:
2274 dec_synth_keycode_press (controller, keycode);
2276 case Accessibility_KEY_PRESSRELEASE:
2277 dec_synth_keycode_press (controller, keycode);
2278 case Accessibility_KEY_RELEASE:
2279 dec_synth_keycode_release (controller, keycode);
2281 case Accessibility_KEY_SYM:
2282 #ifdef SPI_XKB_DEBUG
2283 fprintf (stderr, "KeySym synthesis\n");
2286 * note: we are using long for 'keycode'
2287 * in our arg list; it can contain either
2288 * a keycode or a keysym.
2290 dec_synth_keysym (controller, (KeySym) keycode);
2292 case Accessibility_KEY_STRING:
2293 if (!dec_synth_keystring (controller, keystring))
2294 fprintf (stderr, "Keystring synthesis failure, string=%s\n",
2298 if ((err = gdk_error_trap_pop ()))
2300 DBG (-1, g_warning ("Error [%d] emitting keystroke", err));
2302 if (synth_type == Accessibility_KEY_SYM) {
2306 keysym = XkbKeycodeToKeysym (spi_get_display (), keycode, 0, 0);
2308 if (XkbKeysymToModifiers (spi_get_display (), keysym) == 0)
2310 spi_dec_clear_unlatch_pending (controller);
2314 /* Accessibility::DEController::generateMouseEvent */
2316 impl_generate_mouse_event (PortableServer_Servant servant,
2319 const CORBA_char *eventName,
2320 CORBA_Environment *ev)
2323 gboolean error = FALSE;
2324 Display *display = spi_get_display ();
2326 fprintf (stderr, "generating mouse %s event at %ld, %ld\n",
2327 eventName, (long int) x, (long int) y);
2329 switch (eventName[0])
2332 switch (eventName[1])
2334 /* TODO: check number of buttons before parsing */
2355 if (x != -1 && y != -1)
2357 XTestFakeMotionEvent (display, DefaultScreen (display),
2360 XTestFakeButtonEvent (display, button, !(eventName[2] == 'r'), 0);
2361 if (eventName[2] == 'c')
2362 XTestFakeButtonEvent (display, button, FALSE, 1);
2363 else if (eventName[2] == 'd')
2365 XTestFakeButtonEvent (display, button, FALSE, 1);
2366 XTestFakeButtonEvent (display, button, TRUE, 2);
2367 XTestFakeButtonEvent (display, button, FALSE, 3);
2371 case 'r': /* relative motion */
2372 XTestFakeRelativeMotionEvent (display, x, y, 0);
2374 case 'a': /* absolute motion */
2375 XTestFakeMotionEvent (display, DefaultScreen (display),
2381 /* Accessibility::DEController::notifyListenersSync */
2382 static CORBA_boolean
2383 impl_notify_listeners_sync (PortableServer_Servant servant,
2384 const Accessibility_DeviceEvent *event,
2385 CORBA_Environment *ev)
2387 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
2388 bonobo_object_from_servant (servant));
2390 g_print ("notifylistening listeners synchronously: controller %p, event id %d\n",
2391 controller, (int) event->id);
2393 return spi_controller_notify_keylisteners (controller,
2394 (Accessibility_DeviceEvent *)
2395 event, CORBA_FALSE, ev) ?
2396 CORBA_TRUE : CORBA_FALSE;
2399 /* Accessibility::DEController::notifyListenersAsync */
2401 impl_notify_listeners_async (PortableServer_Servant servant,
2402 const Accessibility_DeviceEvent *event,
2403 CORBA_Environment *ev)
2405 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
2406 bonobo_object_from_servant (servant));
2408 fprintf (stderr, "notifying listeners asynchronously\n");
2410 spi_controller_notify_keylisteners (controller, (Accessibility_DeviceEvent *)
2411 event, CORBA_FALSE, ev);
2415 spi_device_event_controller_class_init (SpiDEControllerClass *klass)
2417 GObjectClass * object_class = (GObjectClass *) klass;
2418 POA_Accessibility_DeviceEventController__epv *epv = &klass->epv;
2420 spi_device_event_controller_parent_class = g_type_class_peek_parent (klass);
2422 object_class->finalize = spi_device_event_controller_object_finalize;
2424 epv->registerKeystrokeListener = impl_register_keystroke_listener;
2425 epv->deregisterKeystrokeListener = impl_deregister_keystroke_listener;
2426 epv->registerDeviceEventListener = impl_register_device_listener;
2427 epv->deregisterDeviceEventListener = impl_deregister_device_listener;
2428 epv->generateKeyboardEvent = impl_generate_keyboard_event;
2429 epv->generateMouseEvent = impl_generate_mouse_event;
2430 epv->notifyListenersSync = impl_notify_listeners_sync;
2431 epv->notifyListenersAsync = impl_notify_listeners_async;
2433 if (!spi_dec_private_quark)
2434 spi_dec_private_quark = g_quark_from_static_string ("spi-dec-private");
2438 static Bool isEvent(Display *dpy, XEvent *event, char *arg)
2444 handle_io (GIOChannel *source,
2445 GIOCondition condition,
2448 SpiDEController *controller = (SpiDEController *) data;
2449 gboolean is_consumed = FALSE;
2452 while (XCheckIfEvent(controller->xevie_display, &ev, isEvent, NULL))
2454 if (ev.type == KeyPress || ev.type == KeyRelease)
2455 is_consumed = spi_device_event_controller_forward_key_event (controller, &ev);
2458 XevieSendEvent(controller->xevie_display, &ev, XEVIE_UNMODIFIED);
2463 #endif /* HAVE_XEVIE */
2466 spi_device_event_controller_init (SpiDEController *device_event_controller)
2471 #endif /* HAVE_XEVIE */
2473 DEControllerPrivateData *private;
2474 device_event_controller->key_listeners = NULL;
2475 device_event_controller->mouse_listeners = NULL;
2476 device_event_controller->keygrabs_list = NULL;
2477 device_event_controller->xevie_display = NULL;
2480 device_event_controller->xevie_display = XOpenDisplay(NULL);
2482 if (XevieStart(device_event_controller->xevie_display) == TRUE)
2484 #ifdef SPI_KEYEVENT_DEBUG
2485 fprintf (stderr, "XevieStart() success \n");
2487 XevieSelectInput(device_event_controller->xevie_display, KeyPressMask | KeyReleaseMask);
2489 fd = ConnectionNumber(device_event_controller->xevie_display);
2490 ioc = g_io_channel_unix_new (fd);
2491 g_io_add_watch (ioc, G_IO_IN | G_IO_HUP, handle_io, device_event_controller);
2492 g_io_channel_unref (ioc);
2496 device_event_controller->xevie_display = NULL;
2497 #ifdef SPI_KEYEVENT_DEBUG
2498 fprintf (stderr, "XevieStart() failed, only one client is allowed to do event int exception\n");
2501 #endif /* HAVE_XEVIE */
2503 private = g_new0 (DEControllerPrivateData, 1);
2504 gettimeofday (&private->last_press_time, NULL);
2505 gettimeofday (&private->last_release_time, NULL);
2506 g_object_set_qdata (G_OBJECT (device_event_controller),
2507 spi_dec_private_quark,
2509 spi_controller_register_with_devices (device_event_controller);
2513 spi_device_event_controller_forward_key_event (SpiDEController *controller,
2514 const XEvent *event)
2516 CORBA_Environment ev;
2517 Accessibility_DeviceEvent key_event;
2520 g_assert (event->type == KeyPress || event->type == KeyRelease);
2522 CORBA_exception_init (&ev);
2524 key_event = spi_keystroke_from_x_key_event ((XKeyEvent *) event);
2526 if (controller->xevie_display == NULL)
2527 spi_controller_update_key_grabs (controller, &key_event);
2529 /* relay to listeners, and decide whether to consume it or not */
2530 ret = spi_controller_notify_keylisteners (controller, &key_event, CORBA_TRUE, &ev);
2531 CORBA_free(key_event.event_string);
2536 spi_device_event_controller_new (SpiRegistry *registry)
2538 SpiDEController *retval = g_object_new (
2539 SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL);
2541 retval->registry = SPI_REGISTRY (bonobo_object_ref (
2542 BONOBO_OBJECT (registry)));
2544 spi_dec_init_mouse_listener (registry);
2545 /* TODO: kill mouse listener on finalize */
2550 is_key_released (KeyCode code)
2555 XQueryKeymap (spi_get_display (), keys);
2556 down = BIT (keys, code);
2561 check_release (gpointer data)
2564 Accessibility_DeviceEvent *event = (Accessibility_DeviceEvent *)data;
2565 KeyCode code = event->hw_code;
2566 CORBA_Environment ev;
2568 released = is_key_released (code);
2572 check_release_handler = 0;
2573 event->type = Accessibility_KEY_RELEASED_EVENT;
2574 ev._major = CORBA_NO_EXCEPTION;
2575 spi_controller_notify_keylisteners (saved_controller, event, CORBA_TRUE, &ev);
2577 return (released == 0);
2580 static void wait_for_release_event (XEvent *event,
2581 SpiDEController *controller)
2583 pressed_event = spi_keystroke_from_x_key_event ((XKeyEvent *) event);
2584 saved_controller = controller;
2585 check_release_handler = g_timeout_add (CHECK_RELEASE_DELAY, check_release, &pressed_event);
2588 BONOBO_TYPE_FUNC_FULL (SpiDEController,
2589 Accessibility_DeviceEventController,
2591 spi_device_event_controller)