1 /* AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001, 2002 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
35 #include <bonobo/bonobo-exception.h>
38 #include <X11/extensions/XTest.h>
39 #include <X11/XKBlib.h>
41 #include <X11/keysymdef.h>
43 #include <gdk/gdkx.h> /* TODO: hide dependency (wrap in single porting file) */
44 #include <gdk/gdkkeysyms.h>
45 #include <gdk/gdkwindow.h>
47 #include "../libspi/spi-private.h"
48 #include "deviceeventcontroller.h"
50 /* Our parent Gtk object type */
51 #define PARENT_TYPE BONOBO_TYPE_OBJECT
53 /* A pointer to our parent object class */
54 static GObjectClass *spi_device_event_controller_parent_class;
55 static int spi_error_code = 0;
56 static GdkPoint last_mouse_pos_static = {0, 0};
57 static GdkPoint *last_mouse_pos = &last_mouse_pos_static;
58 static unsigned int mouse_mask_state = 0;
59 static unsigned int mouse_button_mask =
60 Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
61 static unsigned int key_modifier_mask =
62 Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask | ShiftMask | LockMask | ControlMask;
64 static GQuark spi_dec_private_quark = 0;
66 int (*x_default_error_handler) (Display *display, XErrorEvent *error_event);
70 SPI_DEVICE_TYPE_MOUSE,
71 SPI_DEVICE_TYPE_LAST_DEFINED
72 } SpiDeviceTypeCategory;
76 guint pending_add : 1;
77 guint pending_remove : 1;
79 Accessibility_ControllerEventMask mod_mask;
80 CORBA_unsigned_long key_val; /* KeyCode */
81 } DEControllerGrabMask;
85 SpiDeviceTypeCategory type;
86 Accessibility_EventTypeSeq *typeseq;
87 } DEControllerListener;
90 DEControllerListener listener;
92 Accessibility_KeySet *keys;
93 Accessibility_ControllerEventMask mask;
94 Accessibility_EventListenerMode *mode;
95 } DEControllerKeyListener;
98 unsigned int last_press_keycode;
99 unsigned int last_release_keycode;
100 struct timeval last_press_time;
101 struct timeval last_release_time;
103 int xkb_major_extension_opcode;
104 int xkb_base_event_code;
105 int xkb_base_error_code;
106 unsigned int xkb_latch_mask;
107 unsigned int pending_xkb_mod_relatch_mask;
109 } DEControllerPrivateData;
111 static void spi_controller_register_with_devices (SpiDEController *controller);
112 static gboolean spi_controller_update_key_grabs (SpiDEController *controller,
113 Accessibility_DeviceEvent *recv);
114 static gboolean spi_controller_register_device_listener (SpiDEController *controller,
115 DEControllerListener *l,
116 CORBA_Environment *ev);
117 static void spi_device_event_controller_forward_key_event (SpiDEController *controller,
118 const XEvent *event);
119 static void spi_deregister_controller_device_listener (SpiDEController *controller,
120 DEControllerListener *listener,
121 CORBA_Environment *ev);
122 static void spi_deregister_controller_key_listener (SpiDEController *controller,
123 DEControllerKeyListener *key_listener,
124 CORBA_Environment *ev);
125 static gboolean spi_controller_notify_mouselisteners (SpiDEController *controller,
126 const Accessibility_DeviceEvent *event,
127 CORBA_Environment *ev);
129 static gboolean spi_eventtype_seq_contains_event (Accessibility_EventTypeSeq *type_seq,
130 const Accessibility_DeviceEvent *event);
131 static gboolean spi_clear_error_state (void);
132 static gboolean spi_dec_poll_mouse_moved (gpointer data);
133 static gboolean spi_dec_poll_mouse_moving (gpointer data);
134 static gboolean spi_dec_poll_mouse_idle (gpointer data);
136 #define spi_get_display() GDK_DISPLAY()
138 /* Private methods */
141 keycode_for_keysym (long keysym)
143 return XKeysymToKeycode (spi_get_display (), (KeySym) keysym);
146 static DEControllerGrabMask *
147 spi_grab_mask_clone (DEControllerGrabMask *grab_mask)
149 DEControllerGrabMask *clone = g_new (DEControllerGrabMask, 1);
151 memcpy (clone, grab_mask, sizeof (DEControllerGrabMask));
153 clone->ref_count = 1;
154 clone->pending_add = TRUE;
155 clone->pending_remove = FALSE;
161 spi_grab_mask_free (DEControllerGrabMask *grab_mask)
167 spi_grab_mask_compare_values (gconstpointer p1, gconstpointer p2)
169 DEControllerGrabMask *l1 = (DEControllerGrabMask *) p1;
170 DEControllerGrabMask *l2 = (DEControllerGrabMask *) p2;
178 return ((l1->mod_mask != l2->mod_mask) || (l1->key_val != l2->key_val));
183 spi_dec_set_unlatch_pending (SpiDEController *controller, unsigned mask)
185 DEControllerPrivateData *priv =
186 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
188 if (priv->xkb_latch_mask) fprintf (stderr, "unlatch pending! %x\n", mask);
190 priv->pending_xkb_mod_relatch_mask |= priv->xkb_latch_mask;
194 spi_dec_button_update_and_emit (SpiDEController *controller,
197 CORBA_Environment ev;
198 Accessibility_Event e;
199 Accessibility_DeviceEvent mouse_e;
200 gchar event_name[24];
201 gboolean is_consumed = FALSE;
203 if ((mask_return & mouse_button_mask) !=
204 (mouse_mask_state & mouse_button_mask))
206 int button_number = 0;
207 gboolean is_down = False;
209 if (!(mask_return & Button1Mask) &&
210 (mouse_mask_state & Button1Mask))
212 mouse_mask_state &= ~Button1Mask;
215 else if ((mask_return & Button1Mask) &&
216 !(mouse_mask_state & Button1Mask))
218 mouse_mask_state |= Button1Mask;
222 else if (!(mask_return & Button2Mask) &&
223 (mouse_mask_state & Button2Mask))
225 mouse_mask_state &= ~Button2Mask;
228 else if ((mask_return & Button2Mask) &&
229 !(mouse_mask_state & Button2Mask))
231 mouse_mask_state |= Button2Mask;
235 else if (!(mask_return & Button3Mask) &&
236 (mouse_mask_state & Button3Mask))
238 mouse_mask_state &= ~Button3Mask;
241 else if ((mask_return & Button3Mask) &&
242 !(mouse_mask_state & Button3Mask))
244 mouse_mask_state |= Button3Mask;
248 else if (!(mask_return & Button4Mask) &&
249 (mouse_mask_state & Button4Mask))
251 mouse_mask_state &= ~Button4Mask;
254 else if ((mask_return & Button4Mask) &&
255 !(mouse_mask_state & Button4Mask))
257 mouse_mask_state |= Button4Mask;
261 else if (!(mask_return & Button5Mask) &&
262 (mouse_mask_state & Button5Mask))
264 mouse_mask_state &= ~Button5Mask;
267 else if ((mask_return & Button5Mask) &&
268 !(mouse_mask_state & Button5Mask))
270 mouse_mask_state |= Button5Mask;
276 fprintf (stderr, "Button %d %s\n",
277 button_number, (is_down) ? "Pressed" : "Released");
279 snprintf (event_name, 22, "mouse:button:%d%c", button_number,
280 (is_down) ? 'p' : 'r');
281 /* TODO: distinguish between physical and
284 mouse_e.type = (is_down) ?
285 Accessibility_BUTTON_PRESSED_EVENT :
286 Accessibility_BUTTON_RELEASED_EVENT;
287 mouse_e.id = button_number;
288 mouse_e.hw_code = button_number;
289 mouse_e.modifiers = (CORBA_unsigned_short) mouse_mask_state;
290 mouse_e.timestamp = 0;
291 mouse_e.event_string = "";
292 mouse_e.is_text = CORBA_FALSE;
294 spi_controller_notify_mouselisteners (controller,
298 e.source = BONOBO_OBJREF (controller->registry->desktop);
299 e.detail1 = last_mouse_pos->x;
300 e.detail2 = last_mouse_pos->y;
301 spi_init_any_nil (&e.any_data);
302 CORBA_exception_init (&ev);
305 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
310 spi_dec_set_unlatch_pending (controller, mask_return);
322 spi_dec_mouse_check (SpiDEController *controller,
323 int *x, int *y, gboolean *moved)
325 Accessibility_Event e;
326 CORBA_Environment ev;
327 int win_x_return,win_y_return;
328 unsigned int mask_return;
329 Window root_return, child_return;
330 Display *display = spi_get_display ();
333 XQueryPointer(display, DefaultRootWindow (display),
334 &root_return, &child_return,
336 &win_x_return, &win_y_return, &mask_return);
338 * Since many clients grab the pointer, and X goes an automatic
339 * pointer grab on mouse-down, we often must detect mouse button events
340 * by polling rather than via a button grab.
341 * The while loop (rather than if) is used since it's possible that
342 * multiple buttons have changed state since we last checked.
344 if (mask_return != mouse_mask_state)
346 while (spi_dec_button_update_and_emit (controller, mask_return));
349 if (*x != last_mouse_pos->x || *y != last_mouse_pos->y)
351 e.type = "mouse:abs";
352 e.source = BONOBO_OBJREF (controller->registry->desktop);
355 spi_init_any_nil (&e.any_data);
356 CORBA_exception_init (&ev);
357 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
360 e.type = "mouse:rel";
361 e.source = BONOBO_OBJREF (controller->registry->desktop);
362 e.detail1 = *x - last_mouse_pos->x;
363 e.detail2 = *y - last_mouse_pos->y;
364 spi_init_any_nil (&e.any_data);
365 CORBA_exception_init (&ev);
366 last_mouse_pos->x = *x;
367 last_mouse_pos->y = *y;
368 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
382 spi_dec_emit_modifier_event (SpiDEController *controller, guint prev_mask,
385 Accessibility_Event e;
386 CORBA_Environment ev;
389 fprintf (stderr, "MODIFIER CHANGE EVENT! %x to %x\n",
390 prev_mask, current_mask);
392 e.type = "keyboard:modifiers";
393 e.source = BONOBO_OBJREF (controller->registry->desktop);
394 e.detail1 = prev_mask & key_modifier_mask;
395 e.detail2 = current_mask & key_modifier_mask;
396 spi_init_any_nil (&e.any_data);
397 CORBA_exception_init (&ev);
398 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
404 spi_dec_poll_mouse_moved (gpointer data)
406 SpiRegistry *registry = SPI_REGISTRY (data);
407 SpiDEController *controller = registry->de_controller;
412 mask_return = spi_dec_mouse_check (controller, &x, &y, &moved);
414 if ((mask_return & key_modifier_mask) !=
415 (mouse_mask_state & key_modifier_mask))
417 spi_dec_emit_modifier_event (controller, mouse_mask_state, mask_return);
418 mouse_mask_state = mask_return;
425 spi_dec_poll_mouse_idle (gpointer data)
427 if (! spi_dec_poll_mouse_moved (data))
431 g_timeout_add (20, spi_dec_poll_mouse_moving, data);
437 spi_dec_poll_mouse_moving (gpointer data)
439 if (spi_dec_poll_mouse_moved (data))
443 g_timeout_add (100, spi_dec_poll_mouse_idle, data);
449 spi_dec_ungrab_mouse (gpointer data)
451 Display *display = spi_get_display ();
454 XUngrabButton (spi_get_display (), AnyButton, AnyModifier,
455 XDefaultRootWindow (spi_get_display ()));
461 spi_dec_init_mouse_listener (SpiRegistry *registry)
463 Display *display = spi_get_display ();
464 g_timeout_add (100, spi_dec_poll_mouse_idle, registry);
468 XGrabButton (display, AnyButton, AnyModifier,
469 gdk_x11_get_default_root_xwindow (),
470 True, ButtonPressMask | ButtonReleaseMask,
471 GrabModeSync, GrabModeAsync, None, None);
472 XSync (display, False);
474 fprintf (stderr, "mouse buttons grabbed\n");
479 static DEControllerKeyListener *
480 spi_dec_key_listener_new (CORBA_Object l,
481 const Accessibility_KeySet *keys,
482 const Accessibility_ControllerEventMask mask,
483 const Accessibility_EventTypeSeq *typeseq,
484 const Accessibility_EventListenerMode *mode,
485 CORBA_Environment *ev)
487 DEControllerKeyListener *key_listener = g_new0 (DEControllerKeyListener, 1);
488 key_listener->listener.object = bonobo_object_dup_ref (l, ev);
489 key_listener->listener.type = SPI_DEVICE_TYPE_KBD;
490 key_listener->keys = ORBit_copy_value (keys, TC_Accessibility_KeySet);
491 key_listener->mask = mask;
492 key_listener->listener.typeseq = ORBit_copy_value (typeseq, TC_Accessibility_EventTypeSeq);
494 key_listener->mode = ORBit_copy_value (mode, TC_Accessibility_EventListenerMode);
496 key_listener->mode = NULL;
499 g_print ("new listener, with mask %x, is_global %d, keys %p (%d)\n",
500 (unsigned int) key_listener->mask,
501 (int) (mode ? mode->global : 0),
502 (void *) key_listener->keys,
503 (int) (key_listener->keys ? key_listener->keys->_length : 0));
509 static DEControllerListener *
510 spi_dec_listener_new (CORBA_Object l,
511 const Accessibility_EventTypeSeq *typeseq,
512 CORBA_Environment *ev)
514 DEControllerListener *listener = g_new0 (DEControllerListener, 1);
515 listener->object = bonobo_object_dup_ref (l, ev);
516 listener->type = SPI_DEVICE_TYPE_MOUSE;
517 listener->typeseq = ORBit_copy_value (typeseq, TC_Accessibility_EventTypeSeq);
521 static DEControllerListener *
522 spi_listener_clone (DEControllerListener *listener, CORBA_Environment *ev)
524 DEControllerListener *clone = g_new0 (DEControllerListener, 1);
526 CORBA_Object_duplicate (listener->object, ev);
527 clone->type = listener->type;
528 clone->typeseq = ORBit_copy_value (listener->typeseq, TC_Accessibility_EventTypeSeq);
532 static DEControllerKeyListener *
533 spi_key_listener_clone (DEControllerKeyListener *key_listener, CORBA_Environment *ev)
535 DEControllerKeyListener *clone = g_new0 (DEControllerKeyListener, 1);
536 clone->listener.object =
537 CORBA_Object_duplicate (key_listener->listener.object, ev);
538 clone->listener.type = SPI_DEVICE_TYPE_KBD;
539 clone->keys = ORBit_copy_value (key_listener->keys, TC_Accessibility_KeySet);
540 clone->mask = key_listener->mask;
541 clone->listener.typeseq = ORBit_copy_value (key_listener->listener.typeseq, TC_Accessibility_EventTypeSeq);
542 if (key_listener->mode)
543 clone->mode = ORBit_copy_value (key_listener->mode, TC_Accessibility_EventListenerMode);
550 spi_key_listener_data_free (DEControllerKeyListener *key_listener, CORBA_Environment *ev)
552 CORBA_free (key_listener->listener.typeseq);
553 CORBA_free (key_listener->keys);
554 g_free (key_listener);
558 spi_key_listener_clone_free (DEControllerKeyListener *clone, CORBA_Environment *ev)
560 CORBA_Object_release (clone->listener.object, ev);
561 spi_key_listener_data_free (clone, ev);
565 spi_listener_clone_free (DEControllerListener *clone, CORBA_Environment *ev)
567 CORBA_Object_release (clone->object, ev);
568 CORBA_free (clone->typeseq);
573 spi_dec_listener_free (DEControllerListener *listener,
574 CORBA_Environment *ev)
576 bonobo_object_release_unref (listener->object, ev);
577 if (listener->type == SPI_DEVICE_TYPE_KBD)
578 spi_key_listener_data_free ((DEControllerKeyListener *) listener, ev);
582 _register_keygrab (SpiDEController *controller,
583 DEControllerGrabMask *grab_mask)
587 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
588 spi_grab_mask_compare_values);
591 DEControllerGrabMask *cur_mask = l->data;
593 cur_mask->ref_count++;
594 if (cur_mask->pending_remove)
596 cur_mask->pending_remove = FALSE;
601 controller->keygrabs_list =
602 g_list_prepend (controller->keygrabs_list,
603 spi_grab_mask_clone (grab_mask));
608 _deregister_keygrab (SpiDEController *controller,
609 DEControllerGrabMask *grab_mask)
613 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
614 spi_grab_mask_compare_values);
618 DEControllerGrabMask *cur_mask = l->data;
620 cur_mask->ref_count--;
621 if (cur_mask->ref_count <= 0)
623 cur_mask->pending_remove = TRUE;
628 DBG (1, g_warning ("De-registering non-existant grab"));
633 handle_keygrab (SpiDEController *controller,
634 DEControllerKeyListener *key_listener,
635 void (*process_cb) (SpiDEController *controller,
636 DEControllerGrabMask *grab_mask))
638 DEControllerGrabMask grab_mask = { 0 };
640 grab_mask.mod_mask = key_listener->mask;
641 if (key_listener->keys->_length == 0) /* special case means AnyKey/AllKeys */
643 grab_mask.key_val = AnyKey;
645 fprintf (stderr, "AnyKey grab!");
647 process_cb (controller, &grab_mask);
653 for (i = 0; i < key_listener->keys->_length; ++i)
655 Accessibility_KeyDefinition keydef = key_listener->keys->_buffer[i];
656 long int key_val = keydef.keysym;
657 /* X Grabs require keycodes, not keysyms */
658 if (keydef.keystring && keydef.keystring[0])
660 key_val = XStringToKeysym(keydef.keystring);
664 key_val = XKeysymToKeycode (spi_get_display (), (KeySym) key_val);
668 key_val = keydef.keycode;
670 grab_mask.key_val = key_val;
671 process_cb (controller, &grab_mask);
677 spi_controller_register_global_keygrabs (SpiDEController *controller,
678 DEControllerKeyListener *key_listener)
680 handle_keygrab (controller, key_listener, _register_keygrab);
681 return spi_controller_update_key_grabs (controller, NULL);
685 spi_controller_deregister_global_keygrabs (SpiDEController *controller,
686 DEControllerKeyListener *key_listener)
688 handle_keygrab (controller, key_listener, _deregister_keygrab);
689 spi_controller_update_key_grabs (controller, NULL);
693 spi_controller_register_device_listener (SpiDEController *controller,
694 DEControllerListener *listener,
695 CORBA_Environment *ev)
697 DEControllerKeyListener *key_listener;
699 switch (listener->type) {
700 case SPI_DEVICE_TYPE_KBD:
701 key_listener = (DEControllerKeyListener *) listener;
703 controller->key_listeners = g_list_prepend (controller->key_listeners,
705 if (key_listener->mode->global)
707 return spi_controller_register_global_keygrabs (controller, key_listener);
712 case SPI_DEVICE_TYPE_MOUSE:
713 controller->mouse_listeners = g_list_prepend (controller->mouse_listeners, listener);
716 DBG (1, g_warning ("listener registration for unknown device type.\n"));
723 spi_controller_notify_mouselisteners (SpiDEController *controller,
724 const Accessibility_DeviceEvent *event,
725 CORBA_Environment *ev)
728 GSList *notify = NULL, *l2;
729 GList **listeners = &controller->mouse_listeners;
730 gboolean is_consumed;
737 for (l = *listeners; l; l = l->next)
739 DEControllerListener *listener = l->data;
741 if (spi_eventtype_seq_contains_event (listener->typeseq, event))
743 Accessibility_DeviceEventListener ls = listener->object;
745 if (ls != CORBA_OBJECT_NIL)
747 /* we clone (don't dup) the listener, to avoid refcount inc. */
748 notify = g_slist_prepend (notify,
749 spi_listener_clone (listener, ev));
754 #ifdef SPI_KEYEVENT_DEBUG
757 g_print ("no match for event\n");
762 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
764 DEControllerListener *listener = l2->data;
765 Accessibility_DeviceEventListener ls = listener->object;
767 CORBA_exception_init (ev);
768 is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, event, ev);
772 DBG (2, g_warning ("error notifying listener, removing it\n"));
773 spi_deregister_controller_device_listener (controller, listener,
775 CORBA_exception_free (ev);
778 spi_listener_clone_free ((DEControllerListener *) l2->data, ev);
781 for (; l2; l2 = l2->next)
783 DEControllerListener *listener = l2->data;
784 spi_listener_clone_free (listener, ev);
785 /* clone doesn't have its own ref, so don't use spi_device_listener_free */
788 g_slist_free (notify);
791 if (is_consumed) g_message ("consumed\n");
797 spi_device_event_controller_forward_mouse_event (SpiDEController *controller,
800 Accessibility_Event e;
801 Accessibility_DeviceEvent mouse_e;
802 CORBA_Environment ev;
803 gchar event_name[24];
804 gboolean is_consumed = FALSE;
805 gboolean xkb_mod_unlatch_occurred;
806 XButtonEvent *xbutton_event = (XButtonEvent *) xevent;
808 int button = xbutton_event->button;
810 unsigned int mouse_button_state = xbutton_event->state;
815 mouse_button_state |= Button1Mask;
818 mouse_button_state |= Button2Mask;
821 mouse_button_state |= Button3Mask;
824 mouse_button_state |= Button4Mask;
827 mouse_button_state |= Button5Mask;
831 last_mouse_pos->x = ((XButtonEvent *) xevent)->x_root;
832 last_mouse_pos->y = ((XButtonEvent *) xevent)->y_root;
835 fprintf (stderr, "mouse button %d %s (%x)\n",
836 xbutton_event->button,
837 (xevent->type == ButtonPress) ? "Press" : "Release",
840 snprintf (event_name, 22, "mouse:button:%d%c", button,
841 (xevent->type == ButtonPress) ? 'p' : 'r');
843 /* TODO: distinguish between physical and logical buttons */
844 mouse_e.type = (xevent->type == ButtonPress) ?
845 Accessibility_BUTTON_PRESSED_EVENT :
846 Accessibility_BUTTON_RELEASED_EVENT;
848 mouse_e.hw_code = button;
849 mouse_e.modifiers = (CORBA_unsigned_short) xbutton_event->state;
850 mouse_e.timestamp = (CORBA_unsigned_long) xbutton_event->time;
851 mouse_e.event_string = "";
852 mouse_e.is_text = CORBA_FALSE;
853 if ((mouse_button_state & mouse_button_mask) !=
854 (mouse_mask_state & mouse_button_mask))
856 if ((mouse_mask_state & key_modifier_mask) !=
857 (mouse_button_state & key_modifier_mask))
858 spi_dec_emit_modifier_event (controller,
859 mouse_mask_state, mouse_button_state);
860 mouse_mask_state = mouse_button_state;
862 spi_controller_notify_mouselisteners (controller, &mouse_e, &ev);
863 e.type = CORBA_string_dup (event_name);
864 e.source = BONOBO_OBJREF (controller->registry->desktop);
865 e.detail1 = last_mouse_pos->x;
866 e.detail2 = last_mouse_pos->y;
867 spi_init_any_nil (&e.any_data);
868 CORBA_exception_init (&ev);
870 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
875 xkb_mod_unlatch_occurred = (xevent->type == ButtonPress ||
876 xevent->type == ButtonRelease);
878 /* if client wants to consume this event, and XKB latch state was
879 * unset by this button event, we reset it
881 if (is_consumed && (xkb_mod_unlatch_occurred))
882 spi_dec_set_unlatch_pending (controller, mouse_mask_state);
884 XAllowEvents (spi_get_display (),
885 (is_consumed) ? SyncPointer : ReplayPointer,
889 static GdkFilterReturn
890 global_filter_fn (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
892 XEvent *xevent = gdk_xevent;
893 SpiDEController *controller;
894 DEControllerPrivateData *priv;
895 Display *display = spi_get_display ();
896 controller = SPI_DEVICE_EVENT_CONTROLLER (data);
897 priv = (DEControllerPrivateData *)
898 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
900 if (xevent->type == KeyPress || xevent->type == KeyRelease)
902 spi_device_event_controller_forward_key_event (controller, xevent);
903 return GDK_FILTER_CONTINUE;
905 if (xevent->type == ButtonPress || xevent->type == ButtonRelease)
907 spi_device_event_controller_forward_mouse_event (controller, xevent);
909 if (xevent->type == priv->xkb_base_event_code)
911 XkbAnyEvent * xkb_ev = (XkbAnyEvent *) xevent;
912 /* ugly but probably necessary...*/
913 XSynchronize (spi_get_display (), TRUE);
915 if (xkb_ev->xkb_type == XkbStateNotify)
917 XkbStateNotifyEvent *xkb_snev =
918 (XkbStateNotifyEvent *) xkb_ev;
919 /* check the mouse, to catch mouse events grabbed by
920 * another client; in case we should revert this XKB delatch
922 if (!priv->pending_xkb_mod_relatch_mask)
926 spi_dec_mouse_check (controller, &x, &y, &moved);
928 /* we check again, since the previous call may have
930 if (priv->pending_xkb_mod_relatch_mask)
932 unsigned int feedback_mask;
934 fprintf (stderr, "relatching %x\n",
935 priv->pending_xkb_mod_relatch_mask);
937 /* temporarily turn off the latch bell, if it's on */
938 XkbGetControls (display,
939 XkbAccessXFeedbackMask,
941 feedback_mask = priv->xkb_desc->ctrls->ax_options;
942 if (feedback_mask & XkbAX_StickyKeysFBMask)
944 XkbControlsChangesRec changes = {XkbAccessXFeedbackMask,
946 priv->xkb_desc->ctrls->ax_options
947 &= ~(XkbAX_StickyKeysFBMask);
948 XkbChangeControls (display, priv->xkb_desc, &changes);
950 XkbLatchModifiers (display,
952 priv->pending_xkb_mod_relatch_mask,
953 priv->pending_xkb_mod_relatch_mask);
954 if (feedback_mask & XkbAX_StickyKeysFBMask)
956 XkbControlsChangesRec changes = {XkbAccessXFeedbackMask,
958 priv->xkb_desc->ctrls->ax_options = feedback_mask;
959 XkbChangeControls (display, priv->xkb_desc, &changes);
962 fprintf (stderr, "relatched %x\n",
963 priv->pending_xkb_mod_relatch_mask);
965 priv->pending_xkb_mod_relatch_mask = 0;
969 priv->xkb_latch_mask = xkb_snev->latched_mods;
973 DBG (2, g_warning ("XKB event %d\n", xkb_ev->xkb_type));
974 XSynchronize (spi_get_display (), FALSE);
977 return GDK_FILTER_CONTINUE;
981 _spi_controller_device_error_handler (Display *display, XErrorEvent *error)
983 if (error->error_code == BadAccess)
985 g_message ("Could not complete key grab: grab already in use.\n");
986 spi_error_code = BadAccess;
991 return (*x_default_error_handler) (display, error);
996 spi_controller_register_with_devices (SpiDEController *controller)
998 DEControllerPrivateData *priv = (DEControllerPrivateData *)
999 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
1000 /* FIXME: should check for extension first! */
1001 XTestGrabControl (spi_get_display (), True);
1002 priv->xkb_desc = XkbGetMap (spi_get_display (), 0, XkbUseCoreKbd);
1004 /* calls to device-specific implementations and routines go here */
1005 /* register with: keyboard hardware code handler */
1006 /* register with: (translated) keystroke handler */
1008 priv->have_xkb = XkbQueryExtension (spi_get_display (),
1009 &priv->xkb_major_extension_opcode,
1010 &priv->xkb_base_event_code,
1011 &priv->xkb_base_error_code, NULL, NULL);
1014 XkbSelectEvents (spi_get_display (),
1016 XkbStateNotifyMask, XkbStateNotifyMask);
1018 gdk_window_add_filter (NULL, global_filter_fn, controller);
1020 gdk_window_set_events (gdk_get_default_root_window (),
1021 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK);
1023 x_default_error_handler = XSetErrorHandler (_spi_controller_device_error_handler);
1027 spi_key_set_contains_key (Accessibility_KeySet *key_set,
1028 const Accessibility_DeviceEvent *key_event)
1035 g_print ("null key set!");
1039 len = key_set->_length;
1041 if (len == 0) /* special case, means "all keys/any key" */
1043 g_print ("anykey\n");
1047 for (i = 0; i < len; ++i)
1049 #ifdef SPI_KEYEVENT_DEBUG
1050 g_print ("key_set[%d] = %d; key_event %d, code %d, string %s\n",
1051 i, (int) key_set->_buffer[i].keycode,
1052 (int) key_event->id, (int) key_event->hw_code,
1053 key_event->event_string);
1055 if (key_set->_buffer[i].keysym == (CORBA_long) key_event->id)
1059 if (key_set->_buffer[i].keycode == (CORBA_long) key_event->hw_code)
1063 if (key_event->event_string && key_event->event_string[0] &&
1064 !strcmp (key_set->_buffer[i].keystring, key_event->event_string))
1074 spi_eventtype_seq_contains_event (Accessibility_EventTypeSeq *type_seq,
1075 const Accessibility_DeviceEvent *event)
1083 g_print ("null type seq!");
1087 len = type_seq->_length;
1089 if (len == 0) /* special case, means "all events/any event" */
1094 for (i = 0; i < len; ++i)
1097 g_print ("type_seq[%d] = %d; event type = %d\n", i,
1098 (int) type_seq->_buffer[i], (int) event->type);
1100 if (type_seq->_buffer[i] == (CORBA_long) event->type)
1110 spi_key_event_matches_listener (const Accessibility_DeviceEvent *key_event,
1111 DEControllerKeyListener *listener,
1112 CORBA_boolean is_system_global)
1114 if ((key_event->modifiers == (CORBA_unsigned_short) (listener->mask & 0xFFFF)) &&
1115 spi_key_set_contains_key (listener->keys, key_event) &&
1116 spi_eventtype_seq_contains_event (listener->listener.typeseq, key_event) &&
1117 (is_system_global == listener->mode->global))
1128 spi_controller_notify_keylisteners (SpiDEController *controller,
1129 const Accessibility_DeviceEvent *key_event,
1130 CORBA_boolean is_system_global,
1131 CORBA_Environment *ev)
1134 GSList *notify = NULL, *l2;
1135 GList **key_listeners = &controller->key_listeners;
1136 gboolean is_consumed;
1143 for (l = *key_listeners; l; l = l->next)
1145 DEControllerKeyListener *key_listener = l->data;
1147 if (spi_key_event_matches_listener (key_event, key_listener, is_system_global))
1149 Accessibility_DeviceEventListener ls = key_listener->listener.object;
1151 if (ls != CORBA_OBJECT_NIL)
1153 /* we clone (don't dup) the listener, to avoid refcount inc. */
1154 notify = g_slist_prepend (notify,
1155 spi_key_listener_clone (key_listener, ev));
1160 #ifdef SPI_KEYEVENT_DEBUG
1163 g_print ("no match for event\n");
1167 is_consumed = FALSE;
1168 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
1170 DEControllerKeyListener *key_listener = l2->data;
1171 Accessibility_DeviceEventListener ls = key_listener->listener.object;
1173 is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, key_event, ev);
1177 is_consumed = FALSE;
1178 spi_deregister_controller_key_listener (controller, key_listener,
1180 CORBA_exception_free (ev);
1183 spi_key_listener_clone_free (key_listener, ev);
1186 for (; l2; l2 = l2->next)
1188 DEControllerKeyListener *key_listener = l2->data;
1189 spi_key_listener_clone_free (key_listener, ev);
1190 /* clone doesn't have its own ref, so don't use spi_dec_listener_free */
1193 g_slist_free (notify);
1196 if (is_consumed) g_message ("consumed\n");
1202 spi_clear_error_state ()
1204 gboolean retval = spi_error_code != 0;
1209 static Accessibility_DeviceEvent
1210 spi_keystroke_from_x_key_event (XKeyEvent *x_key_event)
1212 Accessibility_DeviceEvent key_event;
1214 const int cbuf_bytes = 20;
1215 char cbuf [cbuf_bytes];
1217 keysym = XLookupKeysym (x_key_event, 0);
1218 key_event.id = (CORBA_long)(keysym);
1219 key_event.hw_code = (CORBA_short) x_key_event->keycode;
1220 if (((XEvent *) x_key_event)->type == KeyPress)
1222 key_event.type = Accessibility_KEY_PRESSED;
1226 key_event.type = Accessibility_KEY_RELEASED;
1228 key_event.modifiers = (CORBA_unsigned_short)(x_key_event->state);
1229 key_event.is_text = CORBA_FALSE;
1233 key_event.event_string = CORBA_string_dup ("space");
1236 #ifdef SPI_KEYEVENT_DEBUG
1237 fprintf(stderr, "Tab\n");
1239 key_event.event_string = CORBA_string_dup ("Tab");
1242 key_event.event_string = CORBA_string_dup ("Backspace");
1245 key_event.event_string = CORBA_string_dup ("Return");
1248 key_event.event_string = CORBA_string_dup ("Home");
1251 key_event.event_string = CORBA_string_dup ("Page_Down");
1254 key_event.event_string = CORBA_string_dup ("Page_Up");
1257 key_event.event_string = CORBA_string_dup ("F1");
1260 key_event.event_string = CORBA_string_dup ("F2");
1263 key_event.event_string = CORBA_string_dup ("F3");
1266 key_event.event_string = CORBA_string_dup ("F4");
1269 key_event.event_string = CORBA_string_dup ("F5");
1272 key_event.event_string = CORBA_string_dup ("F6");
1275 key_event.event_string = CORBA_string_dup ("F7");
1278 key_event.event_string = CORBA_string_dup ("F8");
1281 key_event.event_string = CORBA_string_dup ("F9");
1284 key_event.event_string = CORBA_string_dup ("F10");
1287 key_event.event_string = CORBA_string_dup ("F11");
1290 key_event.event_string = CORBA_string_dup ("F12");
1293 key_event.event_string = CORBA_string_dup ("End");
1296 key_event.event_string = CORBA_string_dup ("Escape");
1299 key_event.event_string = CORBA_string_dup ("Up");
1302 key_event.event_string = CORBA_string_dup ("Down");
1305 key_event.event_string = CORBA_string_dup ("Left");
1308 key_event.event_string = CORBA_string_dup ("Right");
1311 if (XLookupString (x_key_event, cbuf, cbuf_bytes, &keysym, NULL) > 0)
1313 key_event.event_string = CORBA_string_dup (cbuf);
1314 if (isgraph (keysym))
1316 key_event.is_text = CORBA_TRUE; /* FIXME: incorrect for some composed chars? */
1321 key_event.event_string = CORBA_string_dup ("");
1325 key_event.timestamp = (CORBA_unsigned_long) x_key_event->time;
1326 #ifdef SPI_KEYEVENT_DEBUG
1328 "Key %lu pressed (%c), modifiers %d\n",
1329 (unsigned long) keysym,
1330 keysym ? (int) keysym : '*',
1331 (int) x_key_event->state);
1334 fprintf (stderr, "%s%c",
1335 (x_key_event->state & Mod1Mask)?"Alt-":"",
1336 ((x_key_event->state & ShiftMask)^(x_key_event->state & LockMask))?
1337 g_ascii_toupper (keysym) : g_ascii_tolower (keysym));
1338 #endif /* SPI_DEBUG */
1343 spi_controller_update_key_grabs (SpiDEController *controller,
1344 Accessibility_DeviceEvent *recv)
1347 gboolean update_failed = FALSE;
1349 g_return_val_if_fail (controller != NULL, FALSE);
1352 * masks known to work with default RH 7.1+:
1353 * 0 (no mods), LockMask, Mod1Mask, Mod2Mask, ShiftMask,
1354 * ShiftMask|LockMask, Mod1Mask|LockMask, Mod2Mask|LockMask,
1355 * ShiftMask|Mod1Mask, ShiftMask|Mod2Mask, Mod1Mask|Mod2Mask,
1356 * ShiftMask|LockMask|Mod1Mask, ShiftMask|LockMask|Mod2Mask,
1358 * ControlMask grabs are broken, must be in use already
1360 for (l = controller->keygrabs_list; l; l = next)
1363 gboolean re_issue_grab;
1364 DEControllerGrabMask *grab_mask = l->data;
1368 re_issue_grab = recv &&
1369 /* (recv->type == Accessibility_KEY_RELEASED) && - (?) */
1370 (recv->modifiers & grab_mask->mod_mask) &&
1371 (grab_mask->key_val == keycode_for_keysym (recv->id));
1374 fprintf (stderr, "mask=%lx %lx (%c%c) %s\n",
1375 (long int) grab_mask->key_val,
1376 (long int) grab_mask->mod_mask,
1377 grab_mask->pending_add ? '+' : '.',
1378 grab_mask->pending_remove ? '-' : '.',
1379 re_issue_grab ? "re-issue": "");
1384 if (grab_mask->pending_add && grab_mask->pending_remove)
1388 else if (grab_mask->pending_remove)
1391 fprintf (stderr, "ungrabbing, mask=%x\n", grab_mask->mod_mask);
1393 XUngrabKey (spi_get_display (),
1395 grab_mask->mod_mask,
1396 gdk_x11_get_default_root_xwindow ());
1400 else if (grab_mask->pending_add || re_issue_grab)
1404 fprintf (stderr, "grab %d with mask %x\n", grab_mask->key_val, grab_mask->mod_mask);
1406 XGrabKey (spi_get_display (),
1408 grab_mask->mod_mask,
1409 gdk_x11_get_default_root_xwindow (),
1413 XSync (spi_get_display (), False);
1414 update_failed = spi_clear_error_state ();
1415 if (update_failed) {
1416 while (grab_mask->ref_count > 0) --grab_mask->ref_count;
1421 grab_mask->pending_add = FALSE;
1422 grab_mask->pending_remove = FALSE;
1426 g_assert (grab_mask->ref_count <= 0);
1428 controller->keygrabs_list = g_list_delete_link (
1429 controller->keygrabs_list, l);
1431 spi_grab_mask_free (grab_mask);
1436 return ! update_failed;
1440 * Implemented GObject::finalize
1443 spi_device_event_controller_object_finalize (GObject *object)
1445 SpiDEController *controller;
1446 DEControllerPrivateData *private;
1447 controller = SPI_DEVICE_EVENT_CONTROLLER (object);
1450 fprintf(stderr, "spi_device_event_controller_object_finalize called\n");
1452 /* disconnect any special listeners, get rid of outstanding keygrabs */
1453 XUngrabKey (spi_get_display (), AnyKey, AnyModifier, DefaultRootWindow (spi_get_display ()));
1455 private = g_object_get_data (G_OBJECT (controller), "spi-dec-private");
1456 if (private->xkb_desc)
1457 XkbFreeKeyboard (private->xkb_desc, 0, True);
1459 spi_device_event_controller_parent_class->finalize (object);
1463 * CORBA Accessibility::DEController::registerKeystrokeListener
1464 * method implementation
1466 static CORBA_boolean
1467 impl_register_keystroke_listener (PortableServer_Servant servant,
1468 const Accessibility_DeviceEventListener l,
1469 const Accessibility_KeySet *keys,
1470 const Accessibility_ControllerEventMask mask,
1471 const Accessibility_EventTypeSeq *type,
1472 const Accessibility_EventListenerMode *mode,
1473 CORBA_Environment *ev)
1475 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1476 bonobo_object_from_servant (servant));
1477 DEControllerKeyListener *dec_listener;
1479 fprintf (stderr, "registering keystroke listener %p with maskVal %lu\n",
1480 (void *) l, (unsigned long) mask);
1482 dec_listener = spi_dec_key_listener_new (l, keys, mask, type, mode, ev);
1483 return spi_controller_register_device_listener (
1484 controller, (DEControllerListener *) dec_listener, ev);
1489 * CORBA Accessibility::DEController::registerDeviceEventListener
1490 * method implementation
1492 static CORBA_boolean
1493 impl_register_device_listener (PortableServer_Servant servant,
1494 const Accessibility_DeviceEventListener l,
1495 const Accessibility_EventTypeSeq *event_types,
1496 CORBA_Environment *ev)
1498 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1499 bonobo_object_from_servant (servant));
1500 DEControllerListener *dec_listener;
1502 dec_listener = spi_dec_listener_new (l, event_types, ev);
1503 return spi_controller_register_device_listener (
1504 controller, (DEControllerListener *) dec_listener, ev);
1508 CORBA_Environment *ev;
1509 DEControllerListener *listener;
1510 } RemoveListenerClosure;
1512 static SpiReEntrantContinue
1513 remove_listener_cb (GList * const *list,
1516 DEControllerListener *listener = (*list)->data;
1517 RemoveListenerClosure *ctx = user_data;
1519 if (CORBA_Object_is_equivalent (ctx->listener->object,
1520 listener->object, ctx->ev))
1522 spi_re_entrant_list_delete_link (list);
1523 spi_dec_listener_free (listener, ctx->ev);
1526 return SPI_RE_ENTRANT_CONTINUE;
1529 static SpiReEntrantContinue
1530 copy_key_listener_cb (GList * const *list,
1533 DEControllerKeyListener *key_listener = (*list)->data;
1534 RemoveListenerClosure *ctx = user_data;
1536 if (CORBA_Object_is_equivalent (ctx->listener->object,
1537 key_listener->listener.object, ctx->ev))
1539 /* TODO: FIXME aggregate keys in case the listener is registered twice */
1540 DEControllerKeyListener *ctx_key_listener =
1541 (DEControllerKeyListener *) ctx->listener;
1542 CORBA_free (ctx_key_listener->keys);
1543 ctx_key_listener->keys = ORBit_copy_value (key_listener->keys, TC_Accessibility_KeySet);
1546 return SPI_RE_ENTRANT_CONTINUE;
1550 spi_deregister_controller_device_listener (SpiDEController *controller,
1551 DEControllerListener *listener,
1552 CORBA_Environment *ev)
1554 RemoveListenerClosure ctx;
1557 ctx.listener = listener;
1559 spi_re_entrant_list_foreach (&controller->mouse_listeners,
1560 remove_listener_cb, &ctx);
1564 spi_deregister_controller_key_listener (SpiDEController *controller,
1565 DEControllerKeyListener *key_listener,
1566 CORBA_Environment *ev)
1568 RemoveListenerClosure ctx;
1571 ctx.listener = (DEControllerListener *) key_listener;
1573 /* special case, copy keyset from existing controller list entry */
1574 if (key_listener->keys->_length == 0)
1576 spi_re_entrant_list_foreach (&controller->key_listeners,
1577 copy_key_listener_cb, &ctx);
1580 spi_controller_deregister_global_keygrabs (controller, key_listener);
1582 spi_re_entrant_list_foreach (&controller->key_listeners,
1583 remove_listener_cb, &ctx);
1588 * CORBA Accessibility::DEController::deregisterKeystrokeListener
1589 * method implementation
1592 impl_deregister_keystroke_listener (PortableServer_Servant servant,
1593 const Accessibility_DeviceEventListener l,
1594 const Accessibility_KeySet *keys,
1595 const Accessibility_ControllerEventMask mask,
1596 const Accessibility_EventTypeSeq *type,
1597 CORBA_Environment *ev)
1599 DEControllerKeyListener *key_listener;
1600 SpiDEController *controller;
1602 controller = SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
1604 key_listener = spi_dec_key_listener_new (l, keys, mask, type, NULL, ev);
1606 #ifdef SPI_DEREGISTER_DEBUG
1607 fprintf (stderr, "deregistering keystroke listener %p with maskVal %lu\n",
1608 (void *) l, (unsigned long) mask->value);
1611 spi_deregister_controller_key_listener (controller, key_listener, ev);
1613 spi_dec_listener_free ((DEControllerListener *) key_listener, ev);
1617 * CORBA Accessibility::DEController::deregisterDeviceEventListener
1618 * method implementation
1621 impl_deregister_device_listener (PortableServer_Servant servant,
1622 const Accessibility_DeviceEventListener l,
1623 const Accessibility_EventTypeSeq *event_types,
1624 CORBA_Environment *ev)
1626 SpiDEController *controller;
1627 DEControllerListener *listener =
1628 spi_dec_listener_new (l, event_types, ev);
1630 controller = SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
1632 spi_deregister_controller_device_listener (controller, listener, ev);
1634 spi_dec_listener_free (listener, ev);
1637 static unsigned int dec_xkb_get_slowkeys_delay (SpiDEController *controller)
1639 unsigned int retval = 0;
1640 DEControllerPrivateData *priv = (DEControllerPrivateData *)
1641 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
1643 #ifdef XKB_HAS_GET_SLOW_KEYS_DELAY
1644 retval = XkbGetSlowKeysDelay (spi_get_display (),
1645 XkbUseCoreKbd, &bounce_delay);
1647 if (!(priv->xkb_desc == (XkbDescPtr) BadAlloc || priv->xkb_desc == NULL))
1649 Status s = XkbGetControls (spi_get_display (),
1650 XkbAllControlsMask, priv->xkb_desc);
1653 if (priv->xkb_desc->ctrls->enabled_ctrls & XkbSlowKeysMask)
1654 retval = priv->xkb_desc->ctrls->slow_keys_delay;
1659 #ifdef SPI_XKB_DEBUG
1660 fprintf (stderr, "SlowKeys delay: %d\n", (int) retval);
1665 static unsigned int dec_xkb_get_bouncekeys_delay (SpiDEController *controller)
1667 unsigned int retval = 0;
1668 DEControllerPrivateData *priv = (DEControllerPrivateData *)
1669 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
1671 #ifdef XKB_HAS_GET_BOUNCE_KEYS_DELAY
1672 retval = XkbGetBounceKeysDelay (spi_get_display (),
1673 XkbUseCoreKbd, &bounce_delay);
1675 if (!(priv->xkb_desc == (XkbDescPtr) BadAlloc || priv->xkb_desc == NULL))
1677 Status s = XkbGetControls (spi_get_display (),
1678 XkbAllControlsMask, priv->xkb_desc);
1681 if (priv->xkb_desc->ctrls->enabled_ctrls & XkbBounceKeysMask)
1682 retval = priv->xkb_desc->ctrls->debounce_delay;
1687 #ifdef SPI_XKB_DEBUG
1688 fprintf (stderr, "BounceKeys delay: %d\n", (int) retval);
1694 dec_synth_keycode_press (SpiDEController *controller,
1695 unsigned int keycode)
1697 unsigned int time = CurrentTime;
1698 unsigned int bounce_delay;
1699 unsigned int elapsed_msec;
1701 DEControllerPrivateData *priv =
1702 (DEControllerPrivateData *) g_object_get_qdata (G_OBJECT (controller),
1703 spi_dec_private_quark);
1704 if (keycode == priv->last_release_keycode)
1706 bounce_delay = dec_xkb_get_bouncekeys_delay (controller);
1709 gettimeofday (&tv, NULL);
1711 (tv.tv_sec - priv->last_release_time.tv_sec) * 1000
1712 + (tv.tv_usec - priv->last_release_time.tv_usec) / 1000;
1713 #ifdef SPI_XKB_DEBUG
1714 fprintf (stderr, "%d ms elapsed (%ld usec)\n", elapsed_msec,
1715 (long) (tv.tv_usec - priv->last_release_time.tv_usec));
1717 #ifdef THIS_IS_BROKEN
1718 if (elapsed_msec < bounce_delay)
1719 time = bounce_delay - elapsed_msec + 1;
1721 time = bounce_delay + 10;
1722 /* fudge for broken XTest */
1724 #ifdef SPI_XKB_DEBUG
1725 fprintf (stderr, "waiting %d ms\n", time);
1729 XTestFakeKeyEvent (spi_get_display (), keycode, True, time);
1730 priv->last_press_keycode = keycode;
1731 XSync (spi_get_display (), False);
1732 gettimeofday (&priv->last_press_time, NULL);
1737 dec_synth_keycode_release (SpiDEController *controller,
1738 unsigned int keycode)
1740 unsigned int time = CurrentTime;
1741 unsigned int slow_delay;
1742 unsigned int elapsed_msec;
1744 DEControllerPrivateData *priv =
1745 (DEControllerPrivateData *) g_object_get_qdata (G_OBJECT (controller),
1746 spi_dec_private_quark);
1747 if (keycode == priv->last_press_keycode)
1749 slow_delay = dec_xkb_get_slowkeys_delay (controller);
1752 gettimeofday (&tv, NULL);
1754 (tv.tv_sec - priv->last_press_time.tv_sec) * 1000
1755 + (tv.tv_usec - priv->last_press_time.tv_usec) / 1000;
1756 #ifdef SPI_XKB_DEBUG
1757 fprintf (stderr, "%d ms elapsed (%ld usec)\n", elapsed_msec,
1758 (long) (tv.tv_usec - priv->last_press_time.tv_usec));
1760 #ifdef THIS_IS_BROKEN_DUNNO_WHY
1761 if (elapsed_msec < slow_delay)
1762 time = slow_delay - elapsed_msec + 1;
1764 time = slow_delay + 10;
1765 /* our XTest seems broken, we have to add slop as above */
1767 #ifdef SPI_XKB_DEBUG
1768 fprintf (stderr, "waiting %d ms\n", time);
1772 XTestFakeKeyEvent (spi_get_display (), keycode, False, time);
1773 priv->last_release_keycode = keycode;
1774 XSync (spi_get_display (), False);
1775 gettimeofday (&priv->last_release_time, NULL);
1780 * CORBA Accessibility::DEController::registerKeystrokeListener
1781 * method implementation
1784 impl_generate_keyboard_event (PortableServer_Servant servant,
1785 const CORBA_long keycode,
1786 const CORBA_char *keystring,
1787 const Accessibility_KeySynthType synth_type,
1788 CORBA_Environment *ev)
1790 SpiDEController *controller =
1791 SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
1792 DEControllerPrivateData *priv;
1793 long key_synth_code;
1794 unsigned int slow_keys_delay;
1795 unsigned int press_time;
1796 unsigned int release_time;
1799 fprintf (stderr, "synthesizing keystroke %ld, type %d\n",
1800 (long) keycode, (int) synth_type);
1802 /* TODO: hide/wrap/remove X dependency */
1805 * TODO: when initializing, query for XTest extension before using,
1806 * and fall back to XSendEvent() if XTest is not available.
1809 /* TODO: implement keystring mode also */
1810 gdk_error_trap_push ();
1811 key_synth_code = keycode;
1815 case Accessibility_KEY_PRESS:
1816 dec_synth_keycode_press (controller, keycode);
1818 case Accessibility_KEY_PRESSRELEASE:
1819 dec_synth_keycode_press (controller, keycode);
1820 case Accessibility_KEY_RELEASE:
1821 dec_synth_keycode_release (controller, keycode);
1823 case Accessibility_KEY_SYM:
1824 #ifdef SPI_XKB_DEBUG
1825 fprintf (stderr, "KeySym synthesis\n");
1827 key_synth_code = keycode_for_keysym (keycode);
1828 dec_synth_keycode_press (controller, key_synth_code);
1829 dec_synth_keycode_release (controller, key_synth_code);
1831 case Accessibility_KEY_STRING:
1832 fprintf (stderr, "Not yet implemented\n");
1835 if (gdk_error_trap_pop ())
1837 DBG (-1, g_warning ("Error emitting keystroke"));
1841 /* Accessibility::DEController::generateMouseEvent */
1843 impl_generate_mouse_event (PortableServer_Servant servant,
1846 const CORBA_char *eventName,
1847 CORBA_Environment *ev)
1850 gboolean error = FALSE;
1851 Display *display = spi_get_display ();
1853 fprintf (stderr, "generating mouse %s event at %ld, %ld\n",
1854 eventName, (long int) x, (long int) y);
1856 switch (eventName[0])
1859 switch (eventName[1])
1861 /* TODO: check number of buttons before parsing */
1876 if (x != -1 && y != -1)
1878 XTestFakeMotionEvent (display, DefaultScreen (display),
1881 XTestFakeButtonEvent (display, button, !(eventName[2] == 'r'), 0);
1882 if (eventName[2] == 'c')
1883 XTestFakeButtonEvent (display, button, FALSE, 1);
1884 else if (eventName[2] == 'd')
1886 XTestFakeButtonEvent (display, button, FALSE, 1);
1887 XTestFakeButtonEvent (display, button, TRUE, 2);
1888 XTestFakeButtonEvent (display, button, FALSE, 3);
1892 case 'r': /* relative motion */
1893 XTestFakeRelativeMotionEvent (display, x, y, 0);
1895 case 'a': /* absolute motion */
1896 XTestFakeMotionEvent (display, DefaultScreen (display),
1902 /* Accessibility::DEController::notifyListenersSync */
1903 static CORBA_boolean
1904 impl_notify_listeners_sync (PortableServer_Servant servant,
1905 const Accessibility_DeviceEvent *event,
1906 CORBA_Environment *ev)
1908 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1909 bonobo_object_from_servant (servant));
1911 g_print ("notifylistening listeners synchronously: controller %p, event id %d\n",
1912 controller, (int) event->id);
1914 return spi_controller_notify_keylisteners (controller, event, CORBA_FALSE, ev) ?
1915 CORBA_TRUE : CORBA_FALSE;
1918 /* Accessibility::DEController::notifyListenersAsync */
1920 impl_notify_listeners_async (PortableServer_Servant servant,
1921 const Accessibility_DeviceEvent *event,
1922 CORBA_Environment *ev)
1924 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1925 bonobo_object_from_servant (servant));
1927 fprintf (stderr, "notifying listeners asynchronously\n");
1929 spi_controller_notify_keylisteners (controller, event, CORBA_FALSE, ev);
1933 spi_device_event_controller_class_init (SpiDEControllerClass *klass)
1935 GObjectClass * object_class = (GObjectClass *) klass;
1936 POA_Accessibility_DeviceEventController__epv *epv = &klass->epv;
1938 spi_device_event_controller_parent_class = g_type_class_peek_parent (klass);
1940 object_class->finalize = spi_device_event_controller_object_finalize;
1942 epv->registerKeystrokeListener = impl_register_keystroke_listener;
1943 epv->deregisterKeystrokeListener = impl_deregister_keystroke_listener;
1944 epv->registerDeviceEventListener = impl_register_device_listener;
1945 epv->deregisterDeviceEventListener = impl_deregister_device_listener;
1946 epv->generateKeyboardEvent = impl_generate_keyboard_event;
1947 epv->generateMouseEvent = impl_generate_mouse_event;
1948 epv->notifyListenersSync = impl_notify_listeners_sync;
1949 epv->notifyListenersAsync = impl_notify_listeners_async;
1951 if (!spi_dec_private_quark)
1952 spi_dec_private_quark = g_quark_from_static_string ("spi-dec-private");
1956 spi_device_event_controller_init (SpiDEController *device_event_controller)
1958 DEControllerPrivateData *private;
1959 device_event_controller->key_listeners = NULL;
1960 device_event_controller->mouse_listeners = NULL;
1961 device_event_controller->keygrabs_list = NULL;
1964 * TODO: fixme, this module makes the foolish assumptions that
1965 * registryd uses the same display as the apps, and that the
1966 * DISPLAY environment variable is set.
1968 gdk_init (NULL, NULL);
1970 private = g_new0 (DEControllerPrivateData, 1);
1971 gettimeofday (&private->last_press_time, NULL);
1972 gettimeofday (&private->last_release_time, NULL);
1973 g_object_set_qdata (G_OBJECT (device_event_controller),
1974 spi_dec_private_quark,
1976 spi_controller_register_with_devices (device_event_controller);
1980 spi_device_event_controller_forward_key_event (SpiDEController *controller,
1981 const XEvent *event)
1983 gboolean is_consumed = FALSE;
1984 CORBA_Environment ev;
1985 Accessibility_DeviceEvent key_event;
1987 g_assert (event->type == KeyPress || event->type == KeyRelease);
1989 CORBA_exception_init (&ev);
1991 key_event = spi_keystroke_from_x_key_event ((XKeyEvent *) event);
1993 spi_controller_update_key_grabs (controller, &key_event);
1995 /* relay to listeners, and decide whether to consume it or not */
1996 is_consumed = spi_controller_notify_keylisteners (
1997 controller, &key_event, CORBA_TRUE, &ev);
2001 XAllowEvents (spi_get_display (), AsyncKeyboard, CurrentTime);
2005 XAllowEvents (spi_get_display (), ReplayKeyboard, CurrentTime);
2010 spi_device_event_controller_new (SpiRegistry *registry)
2012 SpiDEController *retval = g_object_new (
2013 SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL);
2014 DEControllerPrivateData *private;
2016 retval->registry = SPI_REGISTRY (bonobo_object_ref (
2017 BONOBO_OBJECT (registry)));
2019 spi_dec_init_mouse_listener (registry);
2020 /* TODO: kill mouse listener on finalize */
2024 BONOBO_TYPE_FUNC_FULL (SpiDEController,
2025 Accessibility_DeviceEventController,
2027 spi_device_event_controller);