summaryrefslogtreecommitdiff
path: root/xkb/xkbAccessX.c
blob: 111bf9f40a16c7193c7adb02c7f2f299f1fd10cf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
/************************************************************
Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc.

Permission to use, copy, modify, and distribute this
software and its documentation for any purpose and without
fee is hereby granted, provided that the above copyright
notice appear in all copies and that both that copyright
notice and this permission notice appear in supporting
documentation, and that the name of Silicon Graphics not be 
used in advertising or publicity pertaining to distribution 
of the software without specific prior written permission.
Silicon Graphics makes no representation about the suitability 
of this software for any purpose. It is provided "as is"
without any express or implied warranty.

SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS 
SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 
AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 
DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
THE USE OR PERFORMANCE OF THIS SOFTWARE.

********************************************************/

#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include <stdio.h>
#include <math.h>
#include <X11/X.h>
#include <X11/Xproto.h>
#include <X11/keysym.h>
#include "exglobals.h"
#include <X11/extensions/XIproto.h>
#include "inputstr.h"
#include "eventstr.h"
#include "inpututils.h"
#include <xkbsrv.h>
#if !defined(WIN32)
#include <sys/time.h>
#endif

int XkbDfltRepeatDelay = 660;
int XkbDfltRepeatInterval = 40;

#define	DFLT_TIMEOUT_CTRLS (XkbAX_KRGMask|XkbStickyKeysMask|XkbMouseKeysMask)
#define	DFLT_TIMEOUT_OPTS  (XkbAX_IndicatorFBMask)

unsigned short XkbDfltAccessXTimeout = 120;
unsigned int XkbDfltAccessXTimeoutMask = DFLT_TIMEOUT_CTRLS;
static unsigned int XkbDfltAccessXTimeoutValues = 0;
static unsigned int XkbDfltAccessXTimeoutOptionsMask = DFLT_TIMEOUT_OPTS;
static unsigned int XkbDfltAccessXTimeoutOptionsValues = 0;
unsigned int XkbDfltAccessXFeedback = XkbAccessXFeedbackMask;
unsigned short XkbDfltAccessXOptions =
    XkbAX_AllOptionsMask & ~(XkbAX_IndicatorFBMask | XkbAX_SKReleaseFBMask |
                             XkbAX_SKRejectFBMask);

void
AccessXComputeCurveFactor(XkbSrvInfoPtr xkbi, XkbControlsPtr ctrls)
{
    xkbi->mouseKeysCurve = 1.0 + (((double) ctrls->mk_curve) * 0.001);
    xkbi->mouseKeysCurveFactor = (((double) ctrls->mk_max_speed) /
                                  pow((double) ctrls->mk_time_to_max,
                                      xkbi->mouseKeysCurve));
    return;
}

void
AccessXInit(DeviceIntPtr keybd)
{
    XkbSrvInfoPtr xkbi = keybd->key->xkbInfo;
    XkbControlsPtr ctrls = xkbi->desc->ctrls;

    xkbi->shiftKeyCount = 0;
    xkbi->mouseKeysCounter = 0;
    xkbi->inactiveKey = 0;
    xkbi->slowKey = 0;
    xkbi->repeatKey = 0;
    xkbi->krgTimerActive = _OFF_TIMER;
    xkbi->beepType = _BEEP_NONE;
    xkbi->beepCount = 0;
    xkbi->mouseKeyTimer = NULL;
    xkbi->slowKeysTimer = NULL;
    xkbi->bounceKeysTimer = NULL;
    xkbi->repeatKeyTimer = NULL;
    xkbi->krgTimer = NULL;
    xkbi->beepTimer = NULL;
    ctrls->repeat_delay = XkbDfltRepeatDelay;
    ctrls->repeat_interval = XkbDfltRepeatInterval;
    ctrls->debounce_delay = 300;
    ctrls->slow_keys_delay = 300;
    ctrls->mk_delay = 160;
    ctrls->mk_interval = 40;
    ctrls->mk_time_to_max = 30;
    ctrls->mk_max_speed = 30;
    ctrls->mk_curve = 500;
    ctrls->mk_dflt_btn = 1;
    ctrls->ax_timeout = XkbDfltAccessXTimeout;
    ctrls->axt_ctrls_mask = XkbDfltAccessXTimeoutMask;
    ctrls->axt_ctrls_values = XkbDfltAccessXTimeoutValues;
    ctrls->axt_opts_mask = XkbDfltAccessXTimeoutOptionsMask;
    ctrls->axt_opts_values = XkbDfltAccessXTimeoutOptionsValues;
    if (XkbDfltAccessXTimeout)
        ctrls->enabled_ctrls |= XkbAccessXTimeoutMask;
    else
        ctrls->enabled_ctrls &= ~XkbAccessXTimeoutMask;
    ctrls->enabled_ctrls |= XkbDfltAccessXFeedback;
    ctrls->ax_options = XkbDfltAccessXOptions;
    AccessXComputeCurveFactor(xkbi, ctrls);
    return;
}

/************************************************************************/
/*									*/
/* AccessXKeyboardEvent							*/
/*									*/
/*	Generate a synthetic keyboard event.				*/
/*									*/
/************************************************************************/
static void
AccessXKeyboardEvent(DeviceIntPtr keybd, int type, BYTE keyCode, Bool isRepeat)
{
    DeviceEvent event;

    init_device_event(&event, keybd, GetTimeInMillis());
    event.type = type;
    event.detail.key = keyCode;
    event.key_repeat = isRepeat;

    if (xkbDebugFlags & 0x8) {
        DebugF("[xkb] AXKE: Key %d %s\n", keyCode,
               (event.type == ET_KeyPress ? "down" : "up"));
    }

    XkbProcessKeyboardEvent(&event, keybd);
    return;
}                               /* AccessXKeyboardEvent */

/************************************************************************/
/*									*/
/* AccessXKRGTurnOn							*/
/*									*/
/*	Turn the keyboard response group on.				*/
/*									*/
/************************************************************************/
static void
AccessXKRGTurnOn(DeviceIntPtr dev, CARD16 KRGControl, xkbControlsNotify * pCN)
{
    XkbSrvInfoPtr xkbi = dev->key->xkbInfo;
    XkbControlsPtr ctrls = xkbi->desc->ctrls;
    XkbControlsRec old;
    XkbEventCauseRec cause;
    XkbSrvLedInfoPtr sli;

    old = *ctrls;
    ctrls->enabled_ctrls |= (KRGControl & XkbAX_KRGMask);
    if (XkbComputeControlsNotify(dev, &old, ctrls, pCN, FALSE))
        XkbSendControlsNotify(dev, pCN);
    cause.kc = pCN->keycode;
    cause.event = pCN->eventType;
    cause.mjr = pCN->requestMajor;
    cause.mnr = pCN->requestMinor;
    sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0);
    XkbUpdateIndicators(dev, sli->usesControls, TRUE, NULL, &cause);
    if (XkbAX_NeedFeedback(ctrls, XkbAX_FeatureFBMask))
        XkbDDXAccessXBeep(dev, _BEEP_FEATURE_ON, KRGControl);
    return;

}                               /* AccessXKRGTurnOn */

/************************************************************************/
/*									*/
/* AccessXKRGTurnOff							*/
/*									*/
/*	Turn the keyboard response group off.				*/
/*									*/
/************************************************************************/
static void
AccessXKRGTurnOff(DeviceIntPtr dev, xkbControlsNotify * pCN)
{
    XkbSrvInfoPtr xkbi = dev->key->xkbInfo;
    XkbControlsPtr ctrls = xkbi->desc->ctrls;
    XkbControlsRec old;
    XkbEventCauseRec cause;
    XkbSrvLedInfoPtr sli;

    old = *ctrls;
    ctrls->enabled_ctrls &= ~XkbAX_KRGMask;
    if (XkbComputeControlsNotify(dev, &old, ctrls, pCN, FALSE))
        XkbSendControlsNotify(dev, pCN);
    cause.kc = pCN->keycode;
    cause.event = pCN->eventType;
    cause.mjr = pCN->requestMajor;
    cause.mnr = pCN->requestMinor;
    sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0);
    XkbUpdateIndicators(dev, sli->usesControls, TRUE, NULL, &cause);
    if (XkbAX_NeedFeedback(ctrls, XkbAX_FeatureFBMask)) {
        unsigned changes = old.enabled_ctrls ^ ctrls->enabled_ctrls;

        XkbDDXAccessXBeep(dev, _BEEP_FEATURE_OFF, changes);
    }
    return;

}                               /* AccessXKRGTurnOff */

/************************************************************************/
/*									*/
/* AccessXStickyKeysTurnOn						*/
/*									*/
/*	Turn StickyKeys on.						*/
/*									*/
/************************************************************************/
static void
AccessXStickyKeysTurnOn(DeviceIntPtr dev, xkbControlsNotify * pCN)
{
    XkbSrvInfoPtr xkbi = dev->key->xkbInfo;
    XkbControlsPtr ctrls = xkbi->desc->ctrls;
    XkbControlsRec old;
    XkbEventCauseRec cause;
    XkbSrvLedInfoPtr sli;

    old = *ctrls;
    ctrls->enabled_ctrls |= XkbStickyKeysMask;
    xkbi->shiftKeyCount = 0;
    if (XkbComputeControlsNotify(dev, &old, ctrls, pCN, FALSE))
        XkbSendControlsNotify(dev, pCN);
    cause.kc = pCN->keycode;
    cause.event = pCN->eventType;
    cause.mjr = pCN->requestMajor;
    cause.mnr = pCN->requestMinor;
    sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0);
    XkbUpdateIndicators(dev, sli->usesControls, TRUE, NULL, &cause);
    if (XkbAX_NeedFeedback(ctrls, XkbAX_FeatureFBMask)) {
        XkbDDXAccessXBeep(dev, _BEEP_FEATURE_ON, XkbStickyKeysMask);
    }
    return;

}                               /* AccessXStickyKeysTurnOn */

/************************************************************************/
/*									*/
/* AccessXStickyKeysTurnOff						*/
/*									*/
/*	Turn StickyKeys off.						*/
/*									*/
/************************************************************************/
static void
AccessXStickyKeysTurnOff(DeviceIntPtr dev, xkbControlsNotify * pCN)
{
    XkbSrvInfoPtr xkbi = dev->key->xkbInfo;
    XkbControlsPtr ctrls = xkbi->desc->ctrls;
    XkbControlsRec old;
    XkbEventCauseRec cause;
    XkbSrvLedInfoPtr sli;

    old = *ctrls;
    ctrls->enabled_ctrls &= ~XkbStickyKeysMask;
    xkbi->shiftKeyCount = 0;
    if (XkbComputeControlsNotify(dev, &old, ctrls, pCN, FALSE))
        XkbSendControlsNotify(dev, pCN);

    cause.kc = pCN->keycode;
    cause.event = pCN->eventType;
    cause.mjr = pCN->requestMajor;
    cause.mnr = pCN->requestMinor;
    sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0);
    XkbUpdateIndicators(dev, sli->usesControls, TRUE, NULL, &cause);
    if (XkbAX_NeedFeedback(ctrls, XkbAX_FeatureFBMask)) {
        XkbDDXAccessXBeep(dev, _BEEP_FEATURE_OFF, XkbStickyKeysMask);
    }
#ifndef NO_CLEAR_LATCHES_FOR_STICKY_KEYS_OFF
    XkbClearAllLatchesAndLocks(dev, xkbi, FALSE, &cause);
#endif
    return;
}                               /* AccessXStickyKeysTurnOff */

static CARD32
AccessXKRGExpire(OsTimerPtr timer, CARD32 now, pointer arg)
{
    XkbSrvInfoPtr xkbi = ((DeviceIntPtr) arg)->key->xkbInfo;
    xkbControlsNotify cn;

    if (xkbi->krgTimerActive == _KRG_WARN_TIMER) {
        XkbDDXAccessXBeep((DeviceIntPtr) arg, _BEEP_SLOW_WARN,
                          XkbStickyKeysMask);
        xkbi->krgTimerActive = _KRG_TIMER;
        return 4000;
    }
    xkbi->krgTimerActive = _OFF_TIMER;
    cn.keycode = 0;
    cn.eventType = 0;
    cn.requestMajor = 0;
    cn.requestMinor = 0;
    if (xkbi->desc->ctrls->enabled_ctrls & XkbSlowKeysMask)
        AccessXKRGTurnOff((DeviceIntPtr) arg, &cn);
    else
        AccessXKRGTurnOn((DeviceIntPtr) arg, XkbSlowKeysMask, &cn);
    return 0;
}

static CARD32
AccessXRepeatKeyExpire(OsTimerPtr timer, CARD32 now, pointer arg)
{
    DeviceIntPtr dev = (DeviceIntPtr) arg;
    XkbSrvInfoPtr xkbi = dev->key->xkbInfo;

    if (xkbi->repeatKey == 0)
        return 0;

    AccessXKeyboardEvent(dev, ET_KeyPress, xkbi->repeatKey, TRUE);

    return xkbi->desc->ctrls->repeat_interval;
}

void
AccessXCancelRepeatKey(XkbSrvInfoPtr xkbi, KeyCode key)
{
    if (xkbi->repeatKey == key)
        xkbi->repeatKey = 0;
    return;
}

static CARD32
AccessXSlowKeyExpire(OsTimerPtr timer, CARD32 now, pointer arg)
{
    DeviceIntPtr keybd;
    XkbSrvInfoPtr xkbi;
    XkbDescPtr xkb;
    XkbControlsPtr ctrls;

    keybd = (DeviceIntPtr) arg;
    xkbi = keybd->key->xkbInfo;
    xkb = xkbi->desc;
    ctrls = xkb->ctrls;
    if (xkbi->slowKey != 0) {
        xkbAccessXNotify ev;
        KeySym *sym = XkbKeySymsPtr(xkb, xkbi->slowKey);

        ev.detail = XkbAXN_SKAccept;
        ev.keycode = xkbi->slowKey;
        ev.slowKeysDelay = ctrls->slow_keys_delay;
        ev.debounceDelay = ctrls->debounce_delay;
        XkbSendAccessXNotify(keybd, &ev);
        if (XkbAX_NeedFeedback(ctrls, XkbAX_SKAcceptFBMask))
            XkbDDXAccessXBeep(keybd, _BEEP_SLOW_ACCEPT, XkbSlowKeysMask);
        AccessXKeyboardEvent(keybd, ET_KeyPress, xkbi->slowKey, FALSE);
        /* check for magic sequences */
        if ((ctrls->enabled_ctrls & XkbAccessXKeysMask) &&
            ((sym[0] == XK_Shift_R) || (sym[0] == XK_Shift_L)))
            xkbi->shiftKeyCount++;

        /* Start repeating if necessary.  Stop autorepeating if the user
         * presses a non-modifier key that doesn't autorepeat.
         */
        if (keybd->kbdfeed->ctrl.autoRepeat &&
            ((xkbi->slowKey != xkbi->mouseKey) || (!xkbi->mouseKeysAccel)) &&
            (ctrls->enabled_ctrls & XkbRepeatKeysMask)) {
            if (BitIsOn(keybd->kbdfeed->ctrl.autoRepeats, xkbi->slowKey)) {
                xkbi->repeatKey = xkbi->slowKey;
                xkbi->repeatKeyTimer = TimerSet(xkbi->repeatKeyTimer,
                                                0, ctrls->repeat_delay,
                                                AccessXRepeatKeyExpire,
                                                (pointer) keybd);
            }
        }
    }
    return 0;
}

static CARD32
AccessXBounceKeyExpire(OsTimerPtr timer, CARD32 now, pointer arg)
{
    XkbSrvInfoPtr xkbi = ((DeviceIntPtr) arg)->key->xkbInfo;

    xkbi->inactiveKey = 0;
    return 0;
}

static CARD32
AccessXTimeoutExpire(OsTimerPtr timer, CARD32 now, pointer arg)
{
    DeviceIntPtr dev = (DeviceIntPtr) arg;
    XkbSrvInfoPtr xkbi = dev->key->xkbInfo;
    XkbControlsPtr ctrls = xkbi->desc->ctrls;
    XkbControlsRec old;
    xkbControlsNotify cn;
    XkbEventCauseRec cause;
    XkbSrvLedInfoPtr sli;

    if (xkbi->lastPtrEventTime) {
        unsigned timeToWait = (ctrls->ax_timeout * 1000);
        unsigned timeElapsed = (now - xkbi->lastPtrEventTime);

        if (timeToWait > timeElapsed)
            return timeToWait - timeElapsed;
    }
    old = *ctrls;
    xkbi->shiftKeyCount = 0;
    ctrls->enabled_ctrls &= ~ctrls->axt_ctrls_mask;
    ctrls->enabled_ctrls |= (ctrls->axt_ctrls_values & ctrls->axt_ctrls_mask);
    if (ctrls->axt_opts_mask) {
        ctrls->ax_options &= ~ctrls->axt_opts_mask;
        ctrls->ax_options |= (ctrls->axt_opts_values & ctrls->axt_opts_mask);
    }
    if (XkbComputeControlsNotify(dev, &old, ctrls, &cn, FALSE)) {
        cn.keycode = 0;
        cn.eventType = 0;
        cn.requestMajor = 0;
        cn.requestMinor = 0;
        XkbSendControlsNotify(dev, &cn);
    }
    XkbSetCauseUnknown(&cause);
    sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0);
    XkbUpdateIndicators(dev, sli->usesControls, TRUE, NULL, &cause);
    if (ctrls->ax_options != old.ax_options) {
        unsigned set, cleared, bell;

        set = ctrls->ax_options & (~old.ax_options);
        cleared = (~ctrls->ax_options) & old.ax_options;
        if (set && cleared)
            bell = _BEEP_FEATURE_CHANGE;
        else if (set)
            bell = _BEEP_FEATURE_ON;
        else
            bell = _BEEP_FEATURE_OFF;
        XkbDDXAccessXBeep(dev, bell, XkbAccessXTimeoutMask);
    }
    xkbi->krgTimerActive = _OFF_TIMER;
    return 0;
}

/************************************************************************/
/*									*/
/* AccessXFilterPressEvent						*/
/*									*/
/* Filter events before they get any further if SlowKeys is turned on.	*/
/* In addition, this routine handles the ever so popular magic key	*/
/* acts for turning various accessibility features on/off.		*/
/*									*/
/* Returns TRUE if this routine has discarded the event.		*/
/* Returns FALSE if the event needs further processing.			*/
/*									*/
/************************************************************************/
Bool
AccessXFilterPressEvent(DeviceEvent *event, DeviceIntPtr keybd)
{
    XkbSrvInfoPtr xkbi = keybd->key->xkbInfo;
    XkbControlsPtr ctrls = xkbi->desc->ctrls;
    Bool ignoreKeyEvent = FALSE;
    KeyCode key = event->detail.key;
    KeySym *sym = XkbKeySymsPtr(xkbi->desc, key);

    if (ctrls->enabled_ctrls & XkbAccessXKeysMask) {
        /* check for magic sequences */
        if ((sym[0] == XK_Shift_R) || (sym[0] == XK_Shift_L)) {
            if (XkbAX_NeedFeedback(ctrls, XkbAX_SlowWarnFBMask)) {
                xkbi->krgTimerActive = _KRG_WARN_TIMER;
                xkbi->krgTimer = TimerSet(xkbi->krgTimer, 0, 4000,
                                          AccessXKRGExpire, (pointer) keybd);
            }
            else {
                xkbi->krgTimerActive = _KRG_TIMER;
                xkbi->krgTimer = TimerSet(xkbi->krgTimer, 0, 8000,
                                          AccessXKRGExpire, (pointer) keybd);
            }
            if (!(ctrls->enabled_ctrls & XkbSlowKeysMask)) {
                CARD32 now = GetTimeInMillis();

                if ((now - xkbi->lastShiftEventTime) > 15000)
                    xkbi->shiftKeyCount = 1;
                else
                    xkbi->shiftKeyCount++;
                xkbi->lastShiftEventTime = now;
            }
        }
        else {
            if (xkbi->krgTimerActive) {
                xkbi->krgTimer = TimerSet(xkbi->krgTimer, 0, 0, NULL, NULL);
                xkbi->krgTimerActive = _OFF_TIMER;
            }
        }
    }

    /* Don't transmit the KeyPress if SlowKeys is turned on;
     * The wakeup handler will synthesize one for us if the user
     * has held the key long enough.
     */
    if (ctrls->enabled_ctrls & XkbSlowKeysMask) {
        xkbAccessXNotify ev;

        /* If key was already pressed, ignore subsequent press events
         * from the server's autorepeat
         */
        if (xkbi->slowKey == key)
            return TRUE;
        ev.detail = XkbAXN_SKPress;
        ev.keycode = key;
        ev.slowKeysDelay = ctrls->slow_keys_delay;
        ev.debounceDelay = ctrls->debounce_delay;
        XkbSendAccessXNotify(keybd, &ev);
        if (XkbAX_NeedFeedback(ctrls, XkbAX_SKPressFBMask))
            XkbDDXAccessXBeep(keybd, _BEEP_SLOW_PRESS, XkbSlowKeysMask);
        xkbi->slowKey = key;
        xkbi->slowKeysTimer = TimerSet(xkbi->slowKeysTimer,
                                       0, ctrls->slow_keys_delay,
                                       AccessXSlowKeyExpire, (pointer) keybd);
        ignoreKeyEvent = TRUE;
    }

    /* Don't transmit the KeyPress if BounceKeys is turned on
     * and the user pressed the same key within a given time period
     * from the last release.
     */
    else if ((ctrls->enabled_ctrls & XkbBounceKeysMask) &&
             (key == xkbi->inactiveKey)) {
        if (XkbAX_NeedFeedback(ctrls, XkbAX_BKRejectFBMask))
            XkbDDXAccessXBeep(keybd, _BEEP_BOUNCE_REJECT, XkbBounceKeysMask);
        ignoreKeyEvent = TRUE;
    }

    /* Start repeating if necessary.  Stop autorepeating if the user
     * presses a non-modifier key that doesn't autorepeat.
     */
    if (XkbDDXUsesSoftRepeat(keybd)) {
        if ((keybd->kbdfeed->ctrl.autoRepeat) &&
            ((ctrls->enabled_ctrls & (XkbSlowKeysMask | XkbRepeatKeysMask)) ==
             XkbRepeatKeysMask)) {
            if (BitIsOn(keybd->kbdfeed->ctrl.autoRepeats, key)) {
                if (xkbDebugFlags & 0x10)
                    DebugF("Starting software autorepeat...\n");
                if (xkbi->repeatKey == key)
                    ignoreKeyEvent = TRUE;
                else {
                    xkbi->repeatKey = key;
                    xkbi->repeatKeyTimer = TimerSet(xkbi->repeatKeyTimer,
                                                    0, ctrls->repeat_delay,
                                                    AccessXRepeatKeyExpire,
                                                    (pointer) keybd);
                }
            }
        }
    }

    /* Check for two keys being pressed at the same time.  This section
     * essentially says the following:
     *
     *  If StickyKeys is on, and a modifier is currently being held down,
     *  and one of the following is true:  the current key is not a modifier
     *  or the currentKey is a modifier, but not the only modifier being
     *  held down, turn StickyKeys off if the TwoKeys off ctrl is set.
     */
    if ((ctrls->enabled_ctrls & XkbStickyKeysMask) &&
        (xkbi->state.base_mods != 0) &&
        (XkbAX_NeedOption(ctrls, XkbAX_TwoKeysMask))) {
        xkbControlsNotify cn;

        cn.keycode = key;
        cn.eventType = KeyPress;
        cn.requestMajor = 0;
        cn.requestMinor = 0;
        AccessXStickyKeysTurnOff(keybd, &cn);
    }

    if (!ignoreKeyEvent)
        XkbProcessKeyboardEvent(event, keybd);
    return ignoreKeyEvent;
}                               /* AccessXFilterPressEvent */

/************************************************************************/
/*									*/
/* AccessXFilterReleaseEvent						*/
/*									*/
/* Filter events before they get any further if SlowKeys is turned on.	*/
/* In addition, this routine handles the ever so popular magic key	*/
/* acts for turning various accessibility features on/off.		*/
/*									*/
/* Returns TRUE if this routine has discarded the event.		*/
/* Returns FALSE if the event needs further processing.			*/
/*									*/
/************************************************************************/
Bool
AccessXFilterReleaseEvent(DeviceEvent *event, DeviceIntPtr keybd)
{
    XkbSrvInfoPtr xkbi = keybd->key->xkbInfo;
    XkbControlsPtr ctrls = xkbi->desc->ctrls;
    KeyCode key = event->detail.key;
    Bool ignoreKeyEvent = FALSE;

    /* Don't transmit the KeyRelease if BounceKeys is on and
     * this is the release of a key that was ignored due to 
     * BounceKeys.
     */
    if (ctrls->enabled_ctrls & XkbBounceKeysMask) {
        if ((key != xkbi->mouseKey) && (!BitIsOn(keybd->key->down, key)))
            ignoreKeyEvent = TRUE;
        xkbi->inactiveKey = key;
        xkbi->bounceKeysTimer = TimerSet(xkbi->bounceKeysTimer, 0,
                                         ctrls->debounce_delay,
                                         AccessXBounceKeyExpire,
                                         (pointer) keybd);
    }

    /* Don't transmit the KeyRelease if SlowKeys is turned on and
     * the user didn't hold the key long enough.  We know we passed
     * the key if the down bit was set by CoreProcessKeyboadEvent.
     */
    if (ctrls->enabled_ctrls & XkbSlowKeysMask) {
        xkbAccessXNotify ev;
        unsigned beep_type;

        ev.keycode = key;
        ev.slowKeysDelay = ctrls->slow_keys_delay;
        ev.debounceDelay = ctrls->debounce_delay;
        if (BitIsOn(keybd->key->down, key) || (xkbi->mouseKey == key)) {
            ev.detail = XkbAXN_SKRelease;
            beep_type = _BEEP_SLOW_RELEASE;
        }
        else {
            ev.detail = XkbAXN_SKReject;
            beep_type = _BEEP_SLOW_REJECT;
            ignoreKeyEvent = TRUE;
        }
        XkbSendAccessXNotify(keybd, &ev);
        if (XkbAX_NeedFeedback(ctrls, XkbAX_SKRejectFBMask)) {
            XkbDDXAccessXBeep(keybd, beep_type, XkbSlowKeysMask);
        }
        if (xkbi->slowKey == key)
            xkbi->slowKey = 0;
    }

    /* Stop Repeating if the user releases the key that is currently
     * repeating.
     */
    if (xkbi->repeatKey == key) {
        xkbi->repeatKey = 0;
    }

    if ((ctrls->enabled_ctrls & XkbAccessXTimeoutMask) &&
        (ctrls->ax_timeout > 0)) {
        xkbi->lastPtrEventTime = 0;
        xkbi->krgTimer = TimerSet(xkbi->krgTimer, 0,
                                  ctrls->ax_timeout * 1000,
                                  AccessXTimeoutExpire, (pointer) keybd);
        xkbi->krgTimerActive = _ALL_TIMEOUT_TIMER;
    }
    else if (xkbi->krgTimerActive != _OFF_TIMER) {
        xkbi->krgTimer = TimerSet(xkbi->krgTimer, 0, 0, NULL, NULL);
        xkbi->krgTimerActive = _OFF_TIMER;
    }

    /* Keep track of how many times the Shift key has been pressed.
     * If it has been pressed and released 5 times in a row, toggle
     * the state of StickyKeys.
     */
    if ((!ignoreKeyEvent) && (xkbi->shiftKeyCount)) {
        KeySym *pSym = XkbKeySymsPtr(xkbi->desc, key);

        if ((pSym[0] != XK_Shift_L) && (pSym[0] != XK_Shift_R)) {
            xkbi->shiftKeyCount = 0;
        }
        else if (xkbi->shiftKeyCount >= 5) {
            xkbControlsNotify cn;

            cn.keycode = key;
            cn.eventType = KeyPress;
            cn.requestMajor = 0;
            cn.requestMinor = 0;
            if (ctrls->enabled_ctrls & XkbStickyKeysMask)
                AccessXStickyKeysTurnOff(keybd, &cn);
            else
                AccessXStickyKeysTurnOn(keybd, &cn);
            xkbi->shiftKeyCount = 0;
        }
    }

    if (!ignoreKeyEvent)
        XkbProcessKeyboardEvent(event, keybd);
    return ignoreKeyEvent;

}                               /* AccessXFilterReleaseEvent */

/************************************************************************/
/*									*/
/* ProcessPointerEvent							*/
/*									*/
/* This routine merely sets the shiftKeyCount and clears the keyboard   */
/* response group timer (if necessary) on a mouse event.  This is so	*/
/* multiple shifts with just the mouse and shift-drags with the mouse	*/
/* don't accidentally turn on StickyKeys or the Keyboard Response Group.*/
/*									*/
/************************************************************************/
extern int xkbDevicePrivateIndex;
extern void xkbUnwrapProc(DeviceIntPtr, DeviceHandleProc, pointer);
void
ProcessPointerEvent(InternalEvent *ev, DeviceIntPtr mouse)
{
    DeviceIntPtr dev;
    XkbSrvInfoPtr xkbi = NULL;
    unsigned changed = 0;
    ProcessInputProc backupproc;
    xkbDeviceInfoPtr xkbPrivPtr = XKBDEVICEINFO(mouse);
    DeviceEvent *event = &ev->device_event;

    dev = IsFloating(mouse) ? mouse : GetMaster(mouse, MASTER_KEYBOARD);

    if (dev && dev->key) {
        xkbi = dev->key->xkbInfo;
        xkbi->shiftKeyCount = 0;
        xkbi->lastPtrEventTime = event->time;
    }

    if (event->type == ET_ButtonPress) {
        changed |= XkbPointerButtonMask;
    }
    else if (event->type == ET_ButtonRelease) {
        if (xkbi) {
            xkbi->lockedPtrButtons &= ~(1 << (event->detail.key & 0x7));

            if (IsMaster(dev)) {
                DeviceIntPtr source;
                int rc;

                rc = dixLookupDevice(&source, event->sourceid, serverClient,
                                     DixWriteAccess);
                if (rc != Success)
                    ErrorF("[xkb] bad sourceid '%d' on button release event.\n",
                           event->sourceid);
                else if (!IsXTestDevice(source, GetMaster(dev, MASTER_POINTER)))
                    XkbFakeDeviceButton(dev, FALSE, event->detail.key);
            }
        }

        changed |= XkbPointerButtonMask;
    }

    UNWRAP_PROCESS_INPUT_PROC(mouse, xkbPrivPtr, backupproc);
    mouse->public.processInputProc(ev, mouse);
    COND_WRAP_PROCESS_INPUT_PROC(mouse, xkbPrivPtr, backupproc, xkbUnwrapProc);

    if (!xkbi)
        return;

    xkbi->state.ptr_buttons = (mouse->button) ? mouse->button->state : 0;

    /* clear any latched modifiers */
    if (xkbi->state.latched_mods && (event->type == ET_ButtonRelease)) {
        unsigned changed_leds;
        XkbStateRec oldState;
        XkbSrvLedInfoPtr sli;

        sli = XkbFindSrvLedInfo(dev, XkbDfltXIClass, XkbDfltXIId, 0);
        oldState = xkbi->state;
        XkbLatchModifiers(dev, 0xFF, 0x00);

        XkbComputeDerivedState(xkbi);
        changed |= XkbStateChangedFlags(&oldState, &xkbi->state);
        if (changed & sli->usedComponents) {
            changed_leds = XkbIndicatorsToUpdate(dev, changed, FALSE);
            if (changed_leds) {
                XkbEventCauseRec cause;

                XkbSetCauseKey(&cause, (event->detail.key & 0x7), event->type);
                XkbUpdateIndicators(dev, changed_leds, TRUE, NULL, &cause);
            }
        }
    }

    if (((xkbi->flags & _XkbStateNotifyInProgress) == 0) && (changed != 0)) {
        xkbStateNotify sn;

        sn.keycode = event->detail.key;
        sn.eventType = event->type;
        sn.requestMajor = sn.requestMinor = 0;
        sn.changed = changed;
        XkbSendStateNotify(dev, &sn);
    }

}                               /* ProcessPointerEvent */