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
36 #include <bonobo/bonobo-exception.h>
39 #include <X11/extensions/XTest.h>
40 #include <X11/XKBlib.h>
42 #include <X11/keysymdef.h>
44 #include <gdk/gdkx.h> /* TODO: hide dependency (wrap in single porting file) */
45 #include <gdk/gdkkeysyms.h>
46 #include <gdk/gdkwindow.h>
48 #include "../libspi/spi-private.h"
49 #include "deviceeventcontroller.h"
51 /* Our parent Gtk object type */
52 #define PARENT_TYPE BONOBO_TYPE_OBJECT
54 /* A pointer to our parent object class */
55 static GObjectClass *spi_device_event_controller_parent_class;
56 static int spi_error_code = 0;
57 static GdkPoint last_mouse_pos_static = {0, 0};
58 static GdkPoint *last_mouse_pos = &last_mouse_pos_static;
59 static unsigned int mouse_mask_state = 0;
60 static unsigned int mouse_button_mask =
61 Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
62 static unsigned int key_modifier_mask =
63 Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask | ShiftMask | LockMask | ControlMask;
65 static GQuark spi_dec_private_quark = 0;
67 int (*x_default_error_handler) (Display *display, XErrorEvent *error_event);
71 SPI_DEVICE_TYPE_MOUSE,
72 SPI_DEVICE_TYPE_LAST_DEFINED
73 } SpiDeviceTypeCategory;
77 guint pending_add : 1;
78 guint pending_remove : 1;
80 Accessibility_ControllerEventMask mod_mask;
81 CORBA_unsigned_long key_val; /* KeyCode */
82 } DEControllerGrabMask;
86 SpiDeviceTypeCategory type;
87 Accessibility_EventTypeSeq *typeseq;
88 } DEControllerListener;
91 DEControllerListener listener;
93 Accessibility_KeySet *keys;
94 Accessibility_ControllerEventMask mask;
95 Accessibility_EventListenerMode *mode;
96 } DEControllerKeyListener;
99 unsigned int last_press_keycode;
100 unsigned int last_release_keycode;
101 struct timeval last_press_time;
102 struct timeval last_release_time;
104 int xkb_major_extension_opcode;
105 int xkb_base_event_code;
106 int xkb_base_error_code;
107 unsigned int xkb_latch_mask;
108 unsigned int pending_xkb_mod_relatch_mask;
110 } DEControllerPrivateData;
112 static void spi_controller_register_with_devices (SpiDEController *controller);
113 static gboolean spi_controller_update_key_grabs (SpiDEController *controller,
114 Accessibility_DeviceEvent *recv);
115 static gboolean spi_controller_register_device_listener (SpiDEController *controller,
116 DEControllerListener *l,
117 CORBA_Environment *ev);
118 static void spi_device_event_controller_forward_key_event (SpiDEController *controller,
119 const XEvent *event);
120 static void spi_deregister_controller_device_listener (SpiDEController *controller,
121 DEControllerListener *listener,
122 CORBA_Environment *ev);
123 static void spi_deregister_controller_key_listener (SpiDEController *controller,
124 DEControllerKeyListener *key_listener,
125 CORBA_Environment *ev);
126 static gboolean spi_controller_notify_mouselisteners (SpiDEController *controller,
127 const Accessibility_DeviceEvent *event,
128 CORBA_Environment *ev);
130 static gboolean spi_eventtype_seq_contains_event (Accessibility_EventTypeSeq *type_seq,
131 const Accessibility_DeviceEvent *event);
132 static gboolean spi_clear_error_state (void);
133 static gboolean spi_dec_poll_mouse_moved (gpointer data);
134 static gboolean spi_dec_poll_mouse_moving (gpointer data);
135 static gboolean spi_dec_poll_mouse_idle (gpointer data);
137 #define spi_get_display() GDK_DISPLAY()
139 /* Private methods */
142 keycode_for_keysym (long keysym)
144 return XKeysymToKeycode (spi_get_display (), (KeySym) keysym);
147 static DEControllerGrabMask *
148 spi_grab_mask_clone (DEControllerGrabMask *grab_mask)
150 DEControllerGrabMask *clone = g_new (DEControllerGrabMask, 1);
152 memcpy (clone, grab_mask, sizeof (DEControllerGrabMask));
154 clone->ref_count = 1;
155 clone->pending_add = TRUE;
156 clone->pending_remove = FALSE;
162 spi_grab_mask_free (DEControllerGrabMask *grab_mask)
168 spi_grab_mask_compare_values (gconstpointer p1, gconstpointer p2)
170 DEControllerGrabMask *l1 = (DEControllerGrabMask *) p1;
171 DEControllerGrabMask *l2 = (DEControllerGrabMask *) p2;
179 return ((l1->mod_mask != l2->mod_mask) || (l1->key_val != l2->key_val));
184 spi_dec_set_unlatch_pending (SpiDEController *controller, unsigned mask)
186 DEControllerPrivateData *priv =
187 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
189 if (priv->xkb_latch_mask) fprintf (stderr, "unlatch pending! %x\n", mask);
191 priv->pending_xkb_mod_relatch_mask |= priv->xkb_latch_mask;
195 spi_dec_button_update_and_emit (SpiDEController *controller,
198 CORBA_Environment ev;
199 Accessibility_Event e;
200 Accessibility_DeviceEvent mouse_e;
201 gchar event_name[24];
202 gboolean is_consumed = FALSE;
204 if ((mask_return & mouse_button_mask) !=
205 (mouse_mask_state & mouse_button_mask))
207 int button_number = 0;
208 gboolean is_down = False;
210 if (!(mask_return & Button1Mask) &&
211 (mouse_mask_state & Button1Mask))
213 mouse_mask_state &= ~Button1Mask;
216 else if ((mask_return & Button1Mask) &&
217 !(mouse_mask_state & Button1Mask))
219 mouse_mask_state |= Button1Mask;
223 else if (!(mask_return & Button2Mask) &&
224 (mouse_mask_state & Button2Mask))
226 mouse_mask_state &= ~Button2Mask;
229 else if ((mask_return & Button2Mask) &&
230 !(mouse_mask_state & Button2Mask))
232 mouse_mask_state |= Button2Mask;
236 else if (!(mask_return & Button3Mask) &&
237 (mouse_mask_state & Button3Mask))
239 mouse_mask_state &= ~Button3Mask;
242 else if ((mask_return & Button3Mask) &&
243 !(mouse_mask_state & Button3Mask))
245 mouse_mask_state |= Button3Mask;
249 else if (!(mask_return & Button4Mask) &&
250 (mouse_mask_state & Button4Mask))
252 mouse_mask_state &= ~Button4Mask;
255 else if ((mask_return & Button4Mask) &&
256 !(mouse_mask_state & Button4Mask))
258 mouse_mask_state |= Button4Mask;
262 else if (!(mask_return & Button5Mask) &&
263 (mouse_mask_state & Button5Mask))
265 mouse_mask_state &= ~Button5Mask;
268 else if ((mask_return & Button5Mask) &&
269 !(mouse_mask_state & Button5Mask))
271 mouse_mask_state |= Button5Mask;
277 fprintf (stderr, "Button %d %s\n",
278 button_number, (is_down) ? "Pressed" : "Released");
280 snprintf (event_name, 22, "mouse:button:%d%c", button_number,
281 (is_down) ? 'p' : 'r');
282 /* TODO: distinguish between physical and
285 mouse_e.type = (is_down) ?
286 Accessibility_BUTTON_PRESSED_EVENT :
287 Accessibility_BUTTON_RELEASED_EVENT;
288 mouse_e.id = button_number;
289 mouse_e.hw_code = button_number;
290 mouse_e.modifiers = (CORBA_unsigned_short) mouse_mask_state;
291 mouse_e.timestamp = 0;
292 mouse_e.event_string = "";
293 mouse_e.is_text = CORBA_FALSE;
295 spi_controller_notify_mouselisteners (controller,
299 e.source = BONOBO_OBJREF (controller->registry->desktop);
300 e.detail1 = last_mouse_pos->x;
301 e.detail2 = last_mouse_pos->y;
302 spi_init_any_nil (&e.any_data);
303 CORBA_exception_init (&ev);
306 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
311 spi_dec_set_unlatch_pending (controller, mask_return);
323 spi_dec_mouse_check (SpiDEController *controller,
324 int *x, int *y, gboolean *moved)
326 Accessibility_Event e;
327 CORBA_Environment ev;
328 int win_x_return,win_y_return;
329 unsigned int mask_return;
330 Window root_return, child_return;
331 Display *display = spi_get_display ();
334 XQueryPointer(display, DefaultRootWindow (display),
335 &root_return, &child_return,
337 &win_x_return, &win_y_return, &mask_return);
339 * Since many clients grab the pointer, and X goes an automatic
340 * pointer grab on mouse-down, we often must detect mouse button events
341 * by polling rather than via a button grab.
342 * The while loop (rather than if) is used since it's possible that
343 * multiple buttons have changed state since we last checked.
345 if (mask_return != mouse_mask_state)
347 while (spi_dec_button_update_and_emit (controller, mask_return));
350 if (*x != last_mouse_pos->x || *y != last_mouse_pos->y)
352 e.type = "mouse:abs";
353 e.source = BONOBO_OBJREF (controller->registry->desktop);
356 spi_init_any_nil (&e.any_data);
357 CORBA_exception_init (&ev);
358 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
361 e.type = "mouse:rel";
362 e.source = BONOBO_OBJREF (controller->registry->desktop);
363 e.detail1 = *x - last_mouse_pos->x;
364 e.detail2 = *y - last_mouse_pos->y;
365 spi_init_any_nil (&e.any_data);
366 CORBA_exception_init (&ev);
367 last_mouse_pos->x = *x;
368 last_mouse_pos->y = *y;
369 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
383 spi_dec_emit_modifier_event (SpiDEController *controller, guint prev_mask,
386 Accessibility_Event e;
387 CORBA_Environment ev;
390 fprintf (stderr, "MODIFIER CHANGE EVENT! %x to %x\n",
391 prev_mask, current_mask);
393 e.type = "keyboard:modifiers";
394 e.source = BONOBO_OBJREF (controller->registry->desktop);
395 e.detail1 = prev_mask & key_modifier_mask;
396 e.detail2 = current_mask & key_modifier_mask;
397 spi_init_any_nil (&e.any_data);
398 CORBA_exception_init (&ev);
399 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
405 spi_dec_poll_mouse_moved (gpointer data)
407 SpiRegistry *registry = SPI_REGISTRY (data);
408 SpiDEController *controller = registry->de_controller;
413 mask_return = spi_dec_mouse_check (controller, &x, &y, &moved);
415 if ((mask_return & key_modifier_mask) !=
416 (mouse_mask_state & key_modifier_mask))
418 spi_dec_emit_modifier_event (controller, mouse_mask_state, mask_return);
419 mouse_mask_state = mask_return;
426 spi_dec_poll_mouse_idle (gpointer data)
428 if (! spi_dec_poll_mouse_moved (data))
432 g_timeout_add (20, spi_dec_poll_mouse_moving, data);
438 spi_dec_poll_mouse_moving (gpointer data)
440 if (spi_dec_poll_mouse_moved (data))
444 g_timeout_add (100, spi_dec_poll_mouse_idle, data);
450 spi_dec_ungrab_mouse (gpointer data)
452 Display *display = spi_get_display ();
455 XUngrabButton (spi_get_display (), AnyButton, AnyModifier,
456 XDefaultRootWindow (spi_get_display ()));
462 spi_dec_init_mouse_listener (SpiRegistry *registry)
464 Display *display = spi_get_display ();
465 g_timeout_add (100, spi_dec_poll_mouse_idle, registry);
469 XGrabButton (display, AnyButton, AnyModifier,
470 gdk_x11_get_default_root_xwindow (),
471 True, ButtonPressMask | ButtonReleaseMask,
472 GrabModeSync, GrabModeAsync, None, None);
473 XSync (display, False);
475 fprintf (stderr, "mouse buttons grabbed\n");
480 static DEControllerKeyListener *
481 spi_dec_key_listener_new (CORBA_Object l,
482 const Accessibility_KeySet *keys,
483 const Accessibility_ControllerEventMask mask,
484 const Accessibility_EventTypeSeq *typeseq,
485 const Accessibility_EventListenerMode *mode,
486 CORBA_Environment *ev)
488 DEControllerKeyListener *key_listener = g_new0 (DEControllerKeyListener, 1);
489 key_listener->listener.object = bonobo_object_dup_ref (l, ev);
490 key_listener->listener.type = SPI_DEVICE_TYPE_KBD;
491 key_listener->keys = ORBit_copy_value (keys, TC_Accessibility_KeySet);
492 key_listener->mask = mask;
493 key_listener->listener.typeseq = ORBit_copy_value (typeseq, TC_Accessibility_EventTypeSeq);
495 key_listener->mode = ORBit_copy_value (mode, TC_Accessibility_EventListenerMode);
497 key_listener->mode = NULL;
500 g_print ("new listener, with mask %x, is_global %d, keys %p (%d)\n",
501 (unsigned int) key_listener->mask,
502 (int) (mode ? mode->global : 0),
503 (void *) key_listener->keys,
504 (int) (key_listener->keys ? key_listener->keys->_length : 0));
510 static DEControllerListener *
511 spi_dec_listener_new (CORBA_Object l,
512 const Accessibility_EventTypeSeq *typeseq,
513 CORBA_Environment *ev)
515 DEControllerListener *listener = g_new0 (DEControllerListener, 1);
516 listener->object = bonobo_object_dup_ref (l, ev);
517 listener->type = SPI_DEVICE_TYPE_MOUSE;
518 listener->typeseq = ORBit_copy_value (typeseq, TC_Accessibility_EventTypeSeq);
522 static DEControllerListener *
523 spi_listener_clone (DEControllerListener *listener, CORBA_Environment *ev)
525 DEControllerListener *clone = g_new0 (DEControllerListener, 1);
527 CORBA_Object_duplicate (listener->object, ev);
528 clone->type = listener->type;
529 clone->typeseq = ORBit_copy_value (listener->typeseq, TC_Accessibility_EventTypeSeq);
533 static DEControllerKeyListener *
534 spi_key_listener_clone (DEControllerKeyListener *key_listener, CORBA_Environment *ev)
536 DEControllerKeyListener *clone = g_new0 (DEControllerKeyListener, 1);
537 clone->listener.object =
538 CORBA_Object_duplicate (key_listener->listener.object, ev);
539 clone->listener.type = SPI_DEVICE_TYPE_KBD;
540 clone->keys = ORBit_copy_value (key_listener->keys, TC_Accessibility_KeySet);
541 clone->mask = key_listener->mask;
542 clone->listener.typeseq = ORBit_copy_value (key_listener->listener.typeseq, TC_Accessibility_EventTypeSeq);
543 if (key_listener->mode)
544 clone->mode = ORBit_copy_value (key_listener->mode, TC_Accessibility_EventListenerMode);
551 spi_key_listener_data_free (DEControllerKeyListener *key_listener, CORBA_Environment *ev)
553 CORBA_free (key_listener->listener.typeseq);
554 CORBA_free (key_listener->keys);
555 g_free (key_listener);
559 spi_key_listener_clone_free (DEControllerKeyListener *clone, CORBA_Environment *ev)
561 CORBA_Object_release (clone->listener.object, ev);
562 spi_key_listener_data_free (clone, ev);
566 spi_listener_clone_free (DEControllerListener *clone, CORBA_Environment *ev)
568 CORBA_Object_release (clone->object, ev);
569 CORBA_free (clone->typeseq);
574 spi_dec_listener_free (DEControllerListener *listener,
575 CORBA_Environment *ev)
577 bonobo_object_release_unref (listener->object, ev);
578 if (listener->type == SPI_DEVICE_TYPE_KBD)
579 spi_key_listener_data_free ((DEControllerKeyListener *) listener, ev);
583 _register_keygrab (SpiDEController *controller,
584 DEControllerGrabMask *grab_mask)
588 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
589 spi_grab_mask_compare_values);
592 DEControllerGrabMask *cur_mask = l->data;
594 cur_mask->ref_count++;
595 if (cur_mask->pending_remove)
597 cur_mask->pending_remove = FALSE;
602 controller->keygrabs_list =
603 g_list_prepend (controller->keygrabs_list,
604 spi_grab_mask_clone (grab_mask));
609 _deregister_keygrab (SpiDEController *controller,
610 DEControllerGrabMask *grab_mask)
614 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
615 spi_grab_mask_compare_values);
619 DEControllerGrabMask *cur_mask = l->data;
621 cur_mask->ref_count--;
622 if (cur_mask->ref_count <= 0)
624 cur_mask->pending_remove = TRUE;
629 DBG (1, g_warning ("De-registering non-existant grab"));
634 handle_keygrab (SpiDEController *controller,
635 DEControllerKeyListener *key_listener,
636 void (*process_cb) (SpiDEController *controller,
637 DEControllerGrabMask *grab_mask))
639 DEControllerGrabMask grab_mask = { 0 };
641 grab_mask.mod_mask = key_listener->mask;
642 if (key_listener->keys->_length == 0) /* special case means AnyKey/AllKeys */
644 grab_mask.key_val = AnyKey;
646 fprintf (stderr, "AnyKey grab!");
648 process_cb (controller, &grab_mask);
654 for (i = 0; i < key_listener->keys->_length; ++i)
656 Accessibility_KeyDefinition keydef = key_listener->keys->_buffer[i];
657 long int key_val = keydef.keysym;
658 /* X Grabs require keycodes, not keysyms */
659 if (keydef.keystring && keydef.keystring[0])
661 key_val = XStringToKeysym(keydef.keystring);
665 key_val = XKeysymToKeycode (spi_get_display (), (KeySym) key_val);
669 key_val = keydef.keycode;
671 grab_mask.key_val = key_val;
672 process_cb (controller, &grab_mask);
678 spi_controller_register_global_keygrabs (SpiDEController *controller,
679 DEControllerKeyListener *key_listener)
681 handle_keygrab (controller, key_listener, _register_keygrab);
682 return spi_controller_update_key_grabs (controller, NULL);
686 spi_controller_deregister_global_keygrabs (SpiDEController *controller,
687 DEControllerKeyListener *key_listener)
689 handle_keygrab (controller, key_listener, _deregister_keygrab);
690 spi_controller_update_key_grabs (controller, NULL);
694 spi_controller_register_device_listener (SpiDEController *controller,
695 DEControllerListener *listener,
696 CORBA_Environment *ev)
698 DEControllerKeyListener *key_listener;
700 switch (listener->type) {
701 case SPI_DEVICE_TYPE_KBD:
702 key_listener = (DEControllerKeyListener *) listener;
704 controller->key_listeners = g_list_prepend (controller->key_listeners,
706 if (key_listener->mode->global)
708 return spi_controller_register_global_keygrabs (controller, key_listener);
713 case SPI_DEVICE_TYPE_MOUSE:
714 controller->mouse_listeners = g_list_prepend (controller->mouse_listeners, listener);
717 DBG (1, g_warning ("listener registration for unknown device type.\n"));
724 spi_controller_notify_mouselisteners (SpiDEController *controller,
725 const Accessibility_DeviceEvent *event,
726 CORBA_Environment *ev)
729 GSList *notify = NULL, *l2;
730 GList **listeners = &controller->mouse_listeners;
731 gboolean is_consumed;
738 for (l = *listeners; l; l = l->next)
740 DEControllerListener *listener = l->data;
742 if (spi_eventtype_seq_contains_event (listener->typeseq, event))
744 Accessibility_DeviceEventListener ls = listener->object;
746 if (ls != CORBA_OBJECT_NIL)
748 /* we clone (don't dup) the listener, to avoid refcount inc. */
749 notify = g_slist_prepend (notify,
750 spi_listener_clone (listener, ev));
755 #ifdef SPI_KEYEVENT_DEBUG
758 g_print ("no match for event\n");
763 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
765 DEControllerListener *listener = l2->data;
766 Accessibility_DeviceEventListener ls = listener->object;
768 CORBA_exception_init (ev);
769 is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, event, ev);
773 DBG (2, g_warning ("error notifying listener, removing it\n"));
774 spi_deregister_controller_device_listener (controller, listener,
776 CORBA_exception_free (ev);
779 spi_listener_clone_free ((DEControllerListener *) l2->data, ev);
782 for (; l2; l2 = l2->next)
784 DEControllerListener *listener = l2->data;
785 spi_listener_clone_free (listener, ev);
786 /* clone doesn't have its own ref, so don't use spi_device_listener_free */
789 g_slist_free (notify);
792 if (is_consumed) g_message ("consumed\n");
798 spi_device_event_controller_forward_mouse_event (SpiDEController *controller,
801 Accessibility_Event e;
802 Accessibility_DeviceEvent mouse_e;
803 CORBA_Environment ev;
804 gchar event_name[24];
805 gboolean is_consumed = FALSE;
806 gboolean xkb_mod_unlatch_occurred;
807 XButtonEvent *xbutton_event = (XButtonEvent *) xevent;
809 int button = xbutton_event->button;
811 unsigned int mouse_button_state = xbutton_event->state;
816 mouse_button_state |= Button1Mask;
819 mouse_button_state |= Button2Mask;
822 mouse_button_state |= Button3Mask;
825 mouse_button_state |= Button4Mask;
828 mouse_button_state |= Button5Mask;
832 last_mouse_pos->x = ((XButtonEvent *) xevent)->x_root;
833 last_mouse_pos->y = ((XButtonEvent *) xevent)->y_root;
836 fprintf (stderr, "mouse button %d %s (%x)\n",
837 xbutton_event->button,
838 (xevent->type == ButtonPress) ? "Press" : "Release",
841 snprintf (event_name, 22, "mouse:button:%d%c", button,
842 (xevent->type == ButtonPress) ? 'p' : 'r');
844 /* TODO: distinguish between physical and logical buttons */
845 mouse_e.type = (xevent->type == ButtonPress) ?
846 Accessibility_BUTTON_PRESSED_EVENT :
847 Accessibility_BUTTON_RELEASED_EVENT;
849 mouse_e.hw_code = button;
850 mouse_e.modifiers = (CORBA_unsigned_short) xbutton_event->state;
851 mouse_e.timestamp = (CORBA_unsigned_long) xbutton_event->time;
852 mouse_e.event_string = "";
853 mouse_e.is_text = CORBA_FALSE;
854 if ((mouse_button_state & mouse_button_mask) !=
855 (mouse_mask_state & mouse_button_mask))
857 if ((mouse_mask_state & key_modifier_mask) !=
858 (mouse_button_state & key_modifier_mask))
859 spi_dec_emit_modifier_event (controller,
860 mouse_mask_state, mouse_button_state);
861 mouse_mask_state = mouse_button_state;
863 spi_controller_notify_mouselisteners (controller, &mouse_e, &ev);
864 e.type = CORBA_string_dup (event_name);
865 e.source = BONOBO_OBJREF (controller->registry->desktop);
866 e.detail1 = last_mouse_pos->x;
867 e.detail2 = last_mouse_pos->y;
868 spi_init_any_nil (&e.any_data);
869 CORBA_exception_init (&ev);
871 Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
876 xkb_mod_unlatch_occurred = (xevent->type == ButtonPress ||
877 xevent->type == ButtonRelease);
879 /* if client wants to consume this event, and XKB latch state was
880 * unset by this button event, we reset it
882 if (is_consumed && (xkb_mod_unlatch_occurred))
883 spi_dec_set_unlatch_pending (controller, mouse_mask_state);
885 XAllowEvents (spi_get_display (),
886 (is_consumed) ? SyncPointer : ReplayPointer,
890 static GdkFilterReturn
891 global_filter_fn (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
893 XEvent *xevent = gdk_xevent;
894 SpiDEController *controller;
895 DEControllerPrivateData *priv;
896 Display *display = spi_get_display ();
897 controller = SPI_DEVICE_EVENT_CONTROLLER (data);
898 priv = (DEControllerPrivateData *)
899 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
901 if (xevent->type == KeyPress || xevent->type == KeyRelease)
903 spi_device_event_controller_forward_key_event (controller, xevent);
904 return GDK_FILTER_CONTINUE;
906 if (xevent->type == ButtonPress || xevent->type == ButtonRelease)
908 spi_device_event_controller_forward_mouse_event (controller, xevent);
910 if (xevent->type == priv->xkb_base_event_code)
912 XkbAnyEvent * xkb_ev = (XkbAnyEvent *) xevent;
913 /* ugly but probably necessary...*/
914 XSynchronize (spi_get_display (), TRUE);
916 if (xkb_ev->xkb_type == XkbStateNotify)
918 XkbStateNotifyEvent *xkb_snev =
919 (XkbStateNotifyEvent *) xkb_ev;
920 /* check the mouse, to catch mouse events grabbed by
921 * another client; in case we should revert this XKB delatch
923 if (!priv->pending_xkb_mod_relatch_mask)
927 spi_dec_mouse_check (controller, &x, &y, &moved);
929 /* we check again, since the previous call may have
931 if (priv->pending_xkb_mod_relatch_mask)
933 unsigned int feedback_mask;
935 fprintf (stderr, "relatching %x\n",
936 priv->pending_xkb_mod_relatch_mask);
938 /* temporarily turn off the latch bell, if it's on */
939 XkbGetControls (display,
940 XkbAccessXFeedbackMask,
942 feedback_mask = priv->xkb_desc->ctrls->ax_options;
943 if (feedback_mask & XkbAX_StickyKeysFBMask)
945 XkbControlsChangesRec changes = {XkbAccessXFeedbackMask,
947 priv->xkb_desc->ctrls->ax_options
948 &= ~(XkbAX_StickyKeysFBMask);
949 XkbChangeControls (display, priv->xkb_desc, &changes);
951 XkbLatchModifiers (display,
953 priv->pending_xkb_mod_relatch_mask,
954 priv->pending_xkb_mod_relatch_mask);
955 if (feedback_mask & XkbAX_StickyKeysFBMask)
957 XkbControlsChangesRec changes = {XkbAccessXFeedbackMask,
959 priv->xkb_desc->ctrls->ax_options = feedback_mask;
960 XkbChangeControls (display, priv->xkb_desc, &changes);
963 fprintf (stderr, "relatched %x\n",
964 priv->pending_xkb_mod_relatch_mask);
966 priv->pending_xkb_mod_relatch_mask = 0;
970 priv->xkb_latch_mask = xkb_snev->latched_mods;
974 DBG (2, g_warning ("XKB event %d\n", xkb_ev->xkb_type));
975 XSynchronize (spi_get_display (), FALSE);
978 return GDK_FILTER_CONTINUE;
982 _spi_controller_device_error_handler (Display *display, XErrorEvent *error)
984 if (error->error_code == BadAccess)
986 g_message ("Could not complete key grab: grab already in use.\n");
987 spi_error_code = BadAccess;
992 return (*x_default_error_handler) (display, error);
997 spi_controller_register_with_devices (SpiDEController *controller)
999 DEControllerPrivateData *priv = (DEControllerPrivateData *)
1000 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
1001 /* FIXME: should check for extension first! */
1002 XTestGrabControl (spi_get_display (), True);
1003 priv->xkb_desc = XkbGetMap (spi_get_display (), 0, XkbUseCoreKbd);
1005 /* calls to device-specific implementations and routines go here */
1006 /* register with: keyboard hardware code handler */
1007 /* register with: (translated) keystroke handler */
1009 priv->have_xkb = XkbQueryExtension (spi_get_display (),
1010 &priv->xkb_major_extension_opcode,
1011 &priv->xkb_base_event_code,
1012 &priv->xkb_base_error_code, NULL, NULL);
1015 XkbSelectEvents (spi_get_display (),
1017 XkbStateNotifyMask, XkbStateNotifyMask);
1019 gdk_window_add_filter (NULL, global_filter_fn, controller);
1021 gdk_window_set_events (gdk_get_default_root_window (),
1022 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK);
1024 x_default_error_handler = XSetErrorHandler (_spi_controller_device_error_handler);
1028 spi_key_set_contains_key (Accessibility_KeySet *key_set,
1029 const Accessibility_DeviceEvent *key_event)
1036 g_print ("null key set!");
1040 len = key_set->_length;
1042 if (len == 0) /* special case, means "all keys/any key" */
1044 g_print ("anykey\n");
1048 for (i = 0; i < len; ++i)
1050 #ifdef SPI_KEYEVENT_DEBUG
1051 g_print ("key_set[%d] = %d; key_event %d, code %d, string %s\n",
1052 i, (int) key_set->_buffer[i].keycode,
1053 (int) key_event->id, (int) key_event->hw_code,
1054 key_event->event_string);
1056 if (key_set->_buffer[i].keysym == (CORBA_long) key_event->id)
1060 if (key_set->_buffer[i].keycode == (CORBA_long) key_event->hw_code)
1064 if (key_event->event_string && key_event->event_string[0] &&
1065 !strcmp (key_set->_buffer[i].keystring, key_event->event_string))
1075 spi_eventtype_seq_contains_event (Accessibility_EventTypeSeq *type_seq,
1076 const Accessibility_DeviceEvent *event)
1084 g_print ("null type seq!");
1088 len = type_seq->_length;
1090 if (len == 0) /* special case, means "all events/any event" */
1095 for (i = 0; i < len; ++i)
1098 g_print ("type_seq[%d] = %d; event type = %d\n", i,
1099 (int) type_seq->_buffer[i], (int) event->type);
1101 if (type_seq->_buffer[i] == (CORBA_long) event->type)
1111 spi_key_event_matches_listener (const Accessibility_DeviceEvent *key_event,
1112 DEControllerKeyListener *listener,
1113 CORBA_boolean is_system_global)
1115 if ((key_event->modifiers == (CORBA_unsigned_short) (listener->mask & 0xFFFF)) &&
1116 spi_key_set_contains_key (listener->keys, key_event) &&
1117 spi_eventtype_seq_contains_event (listener->listener.typeseq, key_event) &&
1118 (is_system_global == listener->mode->global))
1129 spi_controller_notify_keylisteners (SpiDEController *controller,
1130 const Accessibility_DeviceEvent *key_event,
1131 CORBA_boolean is_system_global,
1132 CORBA_Environment *ev)
1135 GSList *notify = NULL, *l2;
1136 GList **key_listeners = &controller->key_listeners;
1137 gboolean is_consumed;
1144 for (l = *key_listeners; l; l = l->next)
1146 DEControllerKeyListener *key_listener = l->data;
1148 if (spi_key_event_matches_listener (key_event, key_listener, is_system_global))
1150 Accessibility_DeviceEventListener ls = key_listener->listener.object;
1152 if (ls != CORBA_OBJECT_NIL)
1154 /* we clone (don't dup) the listener, to avoid refcount inc. */
1155 notify = g_slist_prepend (notify,
1156 spi_key_listener_clone (key_listener, ev));
1161 #ifdef SPI_KEYEVENT_DEBUG
1164 g_print ("no match for event\n");
1168 is_consumed = FALSE;
1169 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
1171 DEControllerKeyListener *key_listener = l2->data;
1172 Accessibility_DeviceEventListener ls = key_listener->listener.object;
1174 is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, key_event, ev);
1178 is_consumed = FALSE;
1179 spi_deregister_controller_key_listener (controller, key_listener,
1181 CORBA_exception_free (ev);
1184 spi_key_listener_clone_free (key_listener, ev);
1187 for (; l2; l2 = l2->next)
1189 DEControllerKeyListener *key_listener = l2->data;
1190 spi_key_listener_clone_free (key_listener, ev);
1191 /* clone doesn't have its own ref, so don't use spi_dec_listener_free */
1194 g_slist_free (notify);
1197 if (is_consumed) g_message ("consumed\n");
1203 spi_clear_error_state ()
1205 gboolean retval = spi_error_code != 0;
1210 static Accessibility_DeviceEvent
1211 spi_keystroke_from_x_key_event (XKeyEvent *x_key_event)
1213 Accessibility_DeviceEvent key_event;
1215 const int cbuf_bytes = 20;
1216 char cbuf [cbuf_bytes];
1218 keysym = XLookupKeysym (x_key_event, 0);
1219 key_event.id = (CORBA_long)(keysym);
1220 key_event.hw_code = (CORBA_short) x_key_event->keycode;
1221 if (((XEvent *) x_key_event)->type == KeyPress)
1223 key_event.type = Accessibility_KEY_PRESSED;
1227 key_event.type = Accessibility_KEY_RELEASED;
1229 key_event.modifiers = (CORBA_unsigned_short)(x_key_event->state);
1230 key_event.is_text = CORBA_FALSE;
1234 key_event.event_string = CORBA_string_dup ("space");
1237 #ifdef SPI_KEYEVENT_DEBUG
1238 fprintf(stderr, "Tab\n");
1240 key_event.event_string = CORBA_string_dup ("Tab");
1243 key_event.event_string = CORBA_string_dup ("Backspace");
1246 key_event.event_string = CORBA_string_dup ("Return");
1249 key_event.event_string = CORBA_string_dup ("Home");
1252 key_event.event_string = CORBA_string_dup ("Page_Down");
1255 key_event.event_string = CORBA_string_dup ("Page_Up");
1258 key_event.event_string = CORBA_string_dup ("F1");
1261 key_event.event_string = CORBA_string_dup ("F2");
1264 key_event.event_string = CORBA_string_dup ("F3");
1267 key_event.event_string = CORBA_string_dup ("F4");
1270 key_event.event_string = CORBA_string_dup ("F5");
1273 key_event.event_string = CORBA_string_dup ("F6");
1276 key_event.event_string = CORBA_string_dup ("F7");
1279 key_event.event_string = CORBA_string_dup ("F8");
1282 key_event.event_string = CORBA_string_dup ("F9");
1285 key_event.event_string = CORBA_string_dup ("F10");
1288 key_event.event_string = CORBA_string_dup ("F11");
1291 key_event.event_string = CORBA_string_dup ("F12");
1294 key_event.event_string = CORBA_string_dup ("End");
1297 key_event.event_string = CORBA_string_dup ("Escape");
1300 key_event.event_string = CORBA_string_dup ("Up");
1303 key_event.event_string = CORBA_string_dup ("Down");
1306 key_event.event_string = CORBA_string_dup ("Left");
1309 key_event.event_string = CORBA_string_dup ("Right");
1312 if (XLookupString (x_key_event, cbuf, cbuf_bytes, &keysym, NULL) > 0)
1314 key_event.event_string = CORBA_string_dup (cbuf);
1315 if (isgraph (keysym))
1317 key_event.is_text = CORBA_TRUE; /* FIXME: incorrect for some composed chars? */
1322 key_event.event_string = CORBA_string_dup ("");
1326 key_event.timestamp = (CORBA_unsigned_long) x_key_event->time;
1327 #ifdef SPI_KEYEVENT_DEBUG
1329 "Key %lu pressed (%c), modifiers %d\n",
1330 (unsigned long) keysym,
1331 keysym ? (int) keysym : '*',
1332 (int) x_key_event->state);
1335 fprintf (stderr, "%s%c",
1336 (x_key_event->state & Mod1Mask)?"Alt-":"",
1337 ((x_key_event->state & ShiftMask)^(x_key_event->state & LockMask))?
1338 g_ascii_toupper (keysym) : g_ascii_tolower (keysym));
1339 #endif /* SPI_DEBUG */
1344 spi_controller_update_key_grabs (SpiDEController *controller,
1345 Accessibility_DeviceEvent *recv)
1348 gboolean update_failed = FALSE;
1350 g_return_val_if_fail (controller != NULL, FALSE);
1353 * masks known to work with default RH 7.1+:
1354 * 0 (no mods), LockMask, Mod1Mask, Mod2Mask, ShiftMask,
1355 * ShiftMask|LockMask, Mod1Mask|LockMask, Mod2Mask|LockMask,
1356 * ShiftMask|Mod1Mask, ShiftMask|Mod2Mask, Mod1Mask|Mod2Mask,
1357 * ShiftMask|LockMask|Mod1Mask, ShiftMask|LockMask|Mod2Mask,
1359 * ControlMask grabs are broken, must be in use already
1361 for (l = controller->keygrabs_list; l; l = next)
1364 gboolean re_issue_grab;
1365 DEControllerGrabMask *grab_mask = l->data;
1369 re_issue_grab = recv &&
1370 /* (recv->type == Accessibility_KEY_RELEASED) && - (?) */
1371 (recv->modifiers & grab_mask->mod_mask) &&
1372 (grab_mask->key_val == keycode_for_keysym (recv->id));
1375 fprintf (stderr, "mask=%lx %lx (%c%c) %s\n",
1376 (long int) grab_mask->key_val,
1377 (long int) grab_mask->mod_mask,
1378 grab_mask->pending_add ? '+' : '.',
1379 grab_mask->pending_remove ? '-' : '.',
1380 re_issue_grab ? "re-issue": "");
1385 if (grab_mask->pending_add && grab_mask->pending_remove)
1389 else if (grab_mask->pending_remove)
1392 fprintf (stderr, "ungrabbing, mask=%x\n", grab_mask->mod_mask);
1394 XUngrabKey (spi_get_display (),
1396 grab_mask->mod_mask,
1397 gdk_x11_get_default_root_xwindow ());
1401 else if (grab_mask->pending_add || re_issue_grab)
1405 fprintf (stderr, "grab %d with mask %x\n", grab_mask->key_val, grab_mask->mod_mask);
1407 XGrabKey (spi_get_display (),
1409 grab_mask->mod_mask,
1410 gdk_x11_get_default_root_xwindow (),
1414 XSync (spi_get_display (), False);
1415 update_failed = spi_clear_error_state ();
1416 if (update_failed) {
1417 while (grab_mask->ref_count > 0) --grab_mask->ref_count;
1422 grab_mask->pending_add = FALSE;
1423 grab_mask->pending_remove = FALSE;
1427 g_assert (grab_mask->ref_count <= 0);
1429 controller->keygrabs_list = g_list_delete_link (
1430 controller->keygrabs_list, l);
1432 spi_grab_mask_free (grab_mask);
1437 return ! update_failed;
1441 * Implemented GObject::finalize
1444 spi_device_event_controller_object_finalize (GObject *object)
1446 SpiDEController *controller;
1447 DEControllerPrivateData *private;
1448 controller = SPI_DEVICE_EVENT_CONTROLLER (object);
1451 fprintf(stderr, "spi_device_event_controller_object_finalize called\n");
1453 /* disconnect any special listeners, get rid of outstanding keygrabs */
1454 XUngrabKey (spi_get_display (), AnyKey, AnyModifier, DefaultRootWindow (spi_get_display ()));
1456 private = g_object_get_data (G_OBJECT (controller), "spi-dec-private");
1457 if (private->xkb_desc)
1458 XkbFreeKeyboard (private->xkb_desc, 0, True);
1460 spi_device_event_controller_parent_class->finalize (object);
1464 * CORBA Accessibility::DEController::registerKeystrokeListener
1465 * method implementation
1467 static CORBA_boolean
1468 impl_register_keystroke_listener (PortableServer_Servant servant,
1469 const Accessibility_DeviceEventListener l,
1470 const Accessibility_KeySet *keys,
1471 const Accessibility_ControllerEventMask mask,
1472 const Accessibility_EventTypeSeq *type,
1473 const Accessibility_EventListenerMode *mode,
1474 CORBA_Environment *ev)
1476 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1477 bonobo_object_from_servant (servant));
1478 DEControllerKeyListener *dec_listener;
1480 fprintf (stderr, "registering keystroke listener %p with maskVal %lu\n",
1481 (void *) l, (unsigned long) mask);
1483 dec_listener = spi_dec_key_listener_new (l, keys, mask, type, mode, ev);
1484 return spi_controller_register_device_listener (
1485 controller, (DEControllerListener *) dec_listener, ev);
1490 * CORBA Accessibility::DEController::registerDeviceEventListener
1491 * method implementation
1493 static CORBA_boolean
1494 impl_register_device_listener (PortableServer_Servant servant,
1495 const Accessibility_DeviceEventListener l,
1496 const Accessibility_EventTypeSeq *event_types,
1497 CORBA_Environment *ev)
1499 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1500 bonobo_object_from_servant (servant));
1501 DEControllerListener *dec_listener;
1503 dec_listener = spi_dec_listener_new (l, event_types, ev);
1504 return spi_controller_register_device_listener (
1505 controller, (DEControllerListener *) dec_listener, ev);
1509 CORBA_Environment *ev;
1510 DEControllerListener *listener;
1511 } RemoveListenerClosure;
1513 static SpiReEntrantContinue
1514 remove_listener_cb (GList * const *list,
1517 DEControllerListener *listener = (*list)->data;
1518 RemoveListenerClosure *ctx = user_data;
1520 if (CORBA_Object_is_equivalent (ctx->listener->object,
1521 listener->object, ctx->ev))
1523 spi_re_entrant_list_delete_link (list);
1524 spi_dec_listener_free (listener, ctx->ev);
1527 return SPI_RE_ENTRANT_CONTINUE;
1530 static SpiReEntrantContinue
1531 copy_key_listener_cb (GList * const *list,
1534 DEControllerKeyListener *key_listener = (*list)->data;
1535 RemoveListenerClosure *ctx = user_data;
1537 if (CORBA_Object_is_equivalent (ctx->listener->object,
1538 key_listener->listener.object, ctx->ev))
1540 /* TODO: FIXME aggregate keys in case the listener is registered twice */
1541 DEControllerKeyListener *ctx_key_listener =
1542 (DEControllerKeyListener *) ctx->listener;
1543 CORBA_free (ctx_key_listener->keys);
1544 ctx_key_listener->keys = ORBit_copy_value (key_listener->keys, TC_Accessibility_KeySet);
1547 return SPI_RE_ENTRANT_CONTINUE;
1551 spi_deregister_controller_device_listener (SpiDEController *controller,
1552 DEControllerListener *listener,
1553 CORBA_Environment *ev)
1555 RemoveListenerClosure ctx;
1558 ctx.listener = listener;
1560 spi_re_entrant_list_foreach (&controller->mouse_listeners,
1561 remove_listener_cb, &ctx);
1565 spi_deregister_controller_key_listener (SpiDEController *controller,
1566 DEControllerKeyListener *key_listener,
1567 CORBA_Environment *ev)
1569 RemoveListenerClosure ctx;
1572 ctx.listener = (DEControllerListener *) key_listener;
1574 /* special case, copy keyset from existing controller list entry */
1575 if (key_listener->keys->_length == 0)
1577 spi_re_entrant_list_foreach (&controller->key_listeners,
1578 copy_key_listener_cb, &ctx);
1581 spi_controller_deregister_global_keygrabs (controller, key_listener);
1583 spi_re_entrant_list_foreach (&controller->key_listeners,
1584 remove_listener_cb, &ctx);
1589 * CORBA Accessibility::DEController::deregisterKeystrokeListener
1590 * method implementation
1593 impl_deregister_keystroke_listener (PortableServer_Servant servant,
1594 const Accessibility_DeviceEventListener l,
1595 const Accessibility_KeySet *keys,
1596 const Accessibility_ControllerEventMask mask,
1597 const Accessibility_EventTypeSeq *type,
1598 CORBA_Environment *ev)
1600 DEControllerKeyListener *key_listener;
1601 SpiDEController *controller;
1603 controller = SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
1605 key_listener = spi_dec_key_listener_new (l, keys, mask, type, NULL, ev);
1607 #ifdef SPI_DEREGISTER_DEBUG
1608 fprintf (stderr, "deregistering keystroke listener %p with maskVal %lu\n",
1609 (void *) l, (unsigned long) mask->value);
1612 spi_deregister_controller_key_listener (controller, key_listener, ev);
1614 spi_dec_listener_free ((DEControllerListener *) key_listener, ev);
1618 * CORBA Accessibility::DEController::deregisterDeviceEventListener
1619 * method implementation
1622 impl_deregister_device_listener (PortableServer_Servant servant,
1623 const Accessibility_DeviceEventListener l,
1624 const Accessibility_EventTypeSeq *event_types,
1625 CORBA_Environment *ev)
1627 SpiDEController *controller;
1628 DEControllerListener *listener =
1629 spi_dec_listener_new (l, event_types, ev);
1631 controller = SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
1633 spi_deregister_controller_device_listener (controller, listener, ev);
1635 spi_dec_listener_free (listener, ev);
1638 static unsigned int dec_xkb_get_slowkeys_delay (SpiDEController *controller)
1640 unsigned int retval = 0;
1641 DEControllerPrivateData *priv = (DEControllerPrivateData *)
1642 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
1644 #ifdef XKB_HAS_GET_SLOW_KEYS_DELAY
1645 retval = XkbGetSlowKeysDelay (spi_get_display (),
1646 XkbUseCoreKbd, &bounce_delay);
1648 if (!(priv->xkb_desc == (XkbDescPtr) BadAlloc || priv->xkb_desc == NULL))
1650 Status s = XkbGetControls (spi_get_display (),
1651 XkbAllControlsMask, priv->xkb_desc);
1654 if (priv->xkb_desc->ctrls->enabled_ctrls & XkbSlowKeysMask)
1655 retval = priv->xkb_desc->ctrls->slow_keys_delay;
1660 #ifdef SPI_XKB_DEBUG
1661 fprintf (stderr, "SlowKeys delay: %d\n", (int) retval);
1666 static unsigned int dec_xkb_get_bouncekeys_delay (SpiDEController *controller)
1668 unsigned int retval = 0;
1669 DEControllerPrivateData *priv = (DEControllerPrivateData *)
1670 g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
1672 #ifdef XKB_HAS_GET_BOUNCE_KEYS_DELAY
1673 retval = XkbGetBounceKeysDelay (spi_get_display (),
1674 XkbUseCoreKbd, &bounce_delay);
1676 if (!(priv->xkb_desc == (XkbDescPtr) BadAlloc || priv->xkb_desc == NULL))
1678 Status s = XkbGetControls (spi_get_display (),
1679 XkbAllControlsMask, priv->xkb_desc);
1682 if (priv->xkb_desc->ctrls->enabled_ctrls & XkbBounceKeysMask)
1683 retval = priv->xkb_desc->ctrls->debounce_delay;
1688 #ifdef SPI_XKB_DEBUG
1689 fprintf (stderr, "BounceKeys delay: %d\n", (int) retval);
1695 dec_synth_keycode_press (SpiDEController *controller,
1696 unsigned int keycode)
1698 unsigned int time = CurrentTime;
1699 unsigned int bounce_delay;
1700 unsigned int elapsed_msec;
1702 DEControllerPrivateData *priv =
1703 (DEControllerPrivateData *) g_object_get_qdata (G_OBJECT (controller),
1704 spi_dec_private_quark);
1705 if (keycode == priv->last_release_keycode)
1707 bounce_delay = dec_xkb_get_bouncekeys_delay (controller);
1710 gettimeofday (&tv, NULL);
1712 (tv.tv_sec - priv->last_release_time.tv_sec) * 1000
1713 + (tv.tv_usec - priv->last_release_time.tv_usec) / 1000;
1714 #ifdef SPI_XKB_DEBUG
1715 fprintf (stderr, "%d ms elapsed (%ld usec)\n", elapsed_msec,
1716 (long) (tv.tv_usec - priv->last_release_time.tv_usec));
1718 #ifdef THIS_IS_BROKEN
1719 if (elapsed_msec < bounce_delay)
1720 time = bounce_delay - elapsed_msec + 1;
1722 time = bounce_delay + 10;
1723 /* fudge for broken XTest */
1725 #ifdef SPI_XKB_DEBUG
1726 fprintf (stderr, "waiting %d ms\n", time);
1730 XTestFakeKeyEvent (spi_get_display (), keycode, True, time);
1731 priv->last_press_keycode = keycode;
1732 XSync (spi_get_display (), False);
1733 gettimeofday (&priv->last_press_time, NULL);
1738 dec_synth_keycode_release (SpiDEController *controller,
1739 unsigned int keycode)
1741 unsigned int time = CurrentTime;
1742 unsigned int slow_delay;
1743 unsigned int elapsed_msec;
1745 DEControllerPrivateData *priv =
1746 (DEControllerPrivateData *) g_object_get_qdata (G_OBJECT (controller),
1747 spi_dec_private_quark);
1748 if (keycode == priv->last_press_keycode)
1750 slow_delay = dec_xkb_get_slowkeys_delay (controller);
1753 gettimeofday (&tv, NULL);
1755 (tv.tv_sec - priv->last_press_time.tv_sec) * 1000
1756 + (tv.tv_usec - priv->last_press_time.tv_usec) / 1000;
1757 #ifdef SPI_XKB_DEBUG
1758 fprintf (stderr, "%d ms elapsed (%ld usec)\n", elapsed_msec,
1759 (long) (tv.tv_usec - priv->last_press_time.tv_usec));
1761 #ifdef THIS_IS_BROKEN_DUNNO_WHY
1762 if (elapsed_msec < slow_delay)
1763 time = slow_delay - elapsed_msec + 1;
1765 time = slow_delay + 10;
1766 /* our XTest seems broken, we have to add slop as above */
1768 #ifdef SPI_XKB_DEBUG
1769 fprintf (stderr, "waiting %d ms\n", time);
1773 XTestFakeKeyEvent (spi_get_display (), keycode, False, time);
1774 priv->last_release_keycode = keycode;
1775 XSync (spi_get_display (), False);
1776 gettimeofday (&priv->last_release_time, NULL);
1781 * CORBA Accessibility::DEController::registerKeystrokeListener
1782 * method implementation
1785 impl_generate_keyboard_event (PortableServer_Servant servant,
1786 const CORBA_long keycode,
1787 const CORBA_char *keystring,
1788 const Accessibility_KeySynthType synth_type,
1789 CORBA_Environment *ev)
1791 SpiDEController *controller =
1792 SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
1793 DEControllerPrivateData *priv;
1794 long key_synth_code;
1795 unsigned int slow_keys_delay;
1796 unsigned int press_time;
1797 unsigned int release_time;
1800 fprintf (stderr, "synthesizing keystroke %ld, type %d\n",
1801 (long) keycode, (int) synth_type);
1803 /* TODO: hide/wrap/remove X dependency */
1806 * TODO: when initializing, query for XTest extension before using,
1807 * and fall back to XSendEvent() if XTest is not available.
1810 /* TODO: implement keystring mode also */
1811 gdk_error_trap_push ();
1812 key_synth_code = keycode;
1816 case Accessibility_KEY_PRESS:
1817 dec_synth_keycode_press (controller, keycode);
1819 case Accessibility_KEY_PRESSRELEASE:
1820 dec_synth_keycode_press (controller, keycode);
1821 case Accessibility_KEY_RELEASE:
1822 dec_synth_keycode_release (controller, keycode);
1824 case Accessibility_KEY_SYM:
1825 #ifdef SPI_XKB_DEBUG
1826 fprintf (stderr, "KeySym synthesis\n");
1828 key_synth_code = keycode_for_keysym (keycode);
1829 dec_synth_keycode_press (controller, key_synth_code);
1830 dec_synth_keycode_release (controller, key_synth_code);
1832 case Accessibility_KEY_STRING:
1833 fprintf (stderr, "Not yet implemented\n");
1836 if (gdk_error_trap_pop ())
1838 DBG (-1, g_warning ("Error emitting keystroke"));
1842 /* Accessibility::DEController::generateMouseEvent */
1844 impl_generate_mouse_event (PortableServer_Servant servant,
1847 const CORBA_char *eventName,
1848 CORBA_Environment *ev)
1851 gboolean error = FALSE;
1852 Display *display = spi_get_display ();
1854 fprintf (stderr, "generating mouse %s event at %ld, %ld\n",
1855 eventName, (long int) x, (long int) y);
1857 switch (eventName[0])
1860 switch (eventName[1])
1862 /* TODO: check number of buttons before parsing */
1877 if (x != -1 && y != -1)
1879 XTestFakeMotionEvent (display, DefaultScreen (display),
1882 XTestFakeButtonEvent (display, button, !(eventName[2] == 'r'), 0);
1883 if (eventName[2] == 'c')
1884 XTestFakeButtonEvent (display, button, FALSE, 1);
1885 else if (eventName[2] == 'd')
1887 XTestFakeButtonEvent (display, button, FALSE, 1);
1888 XTestFakeButtonEvent (display, button, TRUE, 2);
1889 XTestFakeButtonEvent (display, button, FALSE, 3);
1893 case 'r': /* relative motion */
1894 XTestFakeRelativeMotionEvent (display, x, y, 0);
1896 case 'a': /* absolute motion */
1897 XTestFakeMotionEvent (display, DefaultScreen (display),
1903 /* Accessibility::DEController::notifyListenersSync */
1904 static CORBA_boolean
1905 impl_notify_listeners_sync (PortableServer_Servant servant,
1906 const Accessibility_DeviceEvent *event,
1907 CORBA_Environment *ev)
1909 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1910 bonobo_object_from_servant (servant));
1912 g_print ("notifylistening listeners synchronously: controller %p, event id %d\n",
1913 controller, (int) event->id);
1915 return spi_controller_notify_keylisteners (controller, event, CORBA_FALSE, ev) ?
1916 CORBA_TRUE : CORBA_FALSE;
1919 /* Accessibility::DEController::notifyListenersAsync */
1921 impl_notify_listeners_async (PortableServer_Servant servant,
1922 const Accessibility_DeviceEvent *event,
1923 CORBA_Environment *ev)
1925 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
1926 bonobo_object_from_servant (servant));
1928 fprintf (stderr, "notifying listeners asynchronously\n");
1930 spi_controller_notify_keylisteners (controller, event, CORBA_FALSE, ev);
1934 spi_device_event_controller_class_init (SpiDEControllerClass *klass)
1936 GObjectClass * object_class = (GObjectClass *) klass;
1937 POA_Accessibility_DeviceEventController__epv *epv = &klass->epv;
1939 spi_device_event_controller_parent_class = g_type_class_peek_parent (klass);
1941 object_class->finalize = spi_device_event_controller_object_finalize;
1943 epv->registerKeystrokeListener = impl_register_keystroke_listener;
1944 epv->deregisterKeystrokeListener = impl_deregister_keystroke_listener;
1945 epv->registerDeviceEventListener = impl_register_device_listener;
1946 epv->deregisterDeviceEventListener = impl_deregister_device_listener;
1947 epv->generateKeyboardEvent = impl_generate_keyboard_event;
1948 epv->generateMouseEvent = impl_generate_mouse_event;
1949 epv->notifyListenersSync = impl_notify_listeners_sync;
1950 epv->notifyListenersAsync = impl_notify_listeners_async;
1952 if (!spi_dec_private_quark)
1953 spi_dec_private_quark = g_quark_from_static_string ("spi-dec-private");
1957 spi_device_event_controller_init (SpiDEController *device_event_controller)
1959 DEControllerPrivateData *private;
1960 device_event_controller->key_listeners = NULL;
1961 device_event_controller->mouse_listeners = NULL;
1962 device_event_controller->keygrabs_list = NULL;
1964 private = g_new0 (DEControllerPrivateData, 1);
1965 gettimeofday (&private->last_press_time, NULL);
1966 gettimeofday (&private->last_release_time, NULL);
1967 g_object_set_qdata (G_OBJECT (device_event_controller),
1968 spi_dec_private_quark,
1970 spi_controller_register_with_devices (device_event_controller);
1974 spi_device_event_controller_forward_key_event (SpiDEController *controller,
1975 const XEvent *event)
1977 gboolean is_consumed = FALSE;
1978 CORBA_Environment ev;
1979 Accessibility_DeviceEvent key_event;
1981 g_assert (event->type == KeyPress || event->type == KeyRelease);
1983 CORBA_exception_init (&ev);
1985 key_event = spi_keystroke_from_x_key_event ((XKeyEvent *) event);
1987 spi_controller_update_key_grabs (controller, &key_event);
1989 /* relay to listeners, and decide whether to consume it or not */
1990 is_consumed = spi_controller_notify_keylisteners (
1991 controller, &key_event, CORBA_TRUE, &ev);
1995 XAllowEvents (spi_get_display (), AsyncKeyboard, CurrentTime);
1999 XAllowEvents (spi_get_display (), ReplayKeyboard, CurrentTime);
2004 spi_device_event_controller_new (SpiRegistry *registry)
2006 SpiDEController *retval = g_object_new (
2007 SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL);
2008 DEControllerPrivateData *private;
2010 retval->registry = SPI_REGISTRY (bonobo_object_ref (
2011 BONOBO_OBJECT (registry)));
2013 spi_dec_init_mouse_listener (registry);
2014 /* TODO: kill mouse listener on finalize */
2018 BONOBO_TYPE_FUNC_FULL (SpiDEController,
2019 Accessibility_DeviceEventController,
2021 spi_device_event_controller);