753 lines
24 KiB
C
753 lines
24 KiB
C
/************************************************************
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Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc.
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Permission to use, copy, modify, and distribute this
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software and its documentation for any purpose and without
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fee is hereby granted, provided that the above copyright
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notice appear in all copies and that both that copyright
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notice and this permission notice appear in supporting
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documentation, and that the name of Silicon Graphics not be
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used in advertising or publicity pertaining to distribution
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of the software without specific prior written permission.
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Silicon Graphics makes no representation about the suitability
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of this software for any purpose. It is provided "as is"
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without any express or implied warranty.
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SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
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GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
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DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
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THE USE OR PERFORMANCE OF THIS SOFTWARE.
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********************************************************/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <stdio.h>
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#include <math.h>
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#ifdef __QNX__
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#include <limits.h>
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#endif
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#define NEED_EVENTS 1
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include <X11/keysym.h>
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#include "inputstr.h"
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#include <X11/extensions/XKBsrv.h>
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#if !defined(WIN32) && !defined(Lynx)
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#include <sys/time.h>
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#endif
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_X_EXPORT int XkbDfltRepeatDelay= 660;
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_X_EXPORT int XkbDfltRepeatInterval= 40;
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pointer XkbLastRepeatEvent= NULL;
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#define DFLT_TIMEOUT_CTRLS (XkbAX_KRGMask|XkbStickyKeysMask|XkbMouseKeysMask)
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#define DFLT_TIMEOUT_OPTS (XkbAX_IndicatorFBMask)
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unsigned short XkbDfltAccessXTimeout= 120;
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unsigned int XkbDfltAccessXTimeoutMask= DFLT_TIMEOUT_CTRLS;
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unsigned int XkbDfltAccessXTimeoutValues= 0;
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unsigned int XkbDfltAccessXTimeoutOptionsMask= DFLT_TIMEOUT_OPTS;
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unsigned int XkbDfltAccessXTimeoutOptionsValues= 0;
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unsigned int XkbDfltAccessXFeedback= XkbAccessXFeedbackMask;
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unsigned short XkbDfltAccessXOptions= XkbAX_AllOptionsMask & ~(XkbAX_IndicatorFBMask|XkbAX_SKReleaseFBMask|XkbAX_SKRejectFBMask);
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void
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AccessXComputeCurveFactor(XkbSrvInfoPtr xkbi,XkbControlsPtr ctrls)
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{
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xkbi->mouseKeysCurve= 1.0+(((double)ctrls->mk_curve)*0.001);
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xkbi->mouseKeysCurveFactor= ( ((double)ctrls->mk_max_speed)/
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pow((double)ctrls->mk_time_to_max,xkbi->mouseKeysCurve));
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return;
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}
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void
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AccessXInit(DeviceIntPtr keybd)
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{
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XkbSrvInfoPtr xkbi = keybd->key->xkbInfo;
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XkbControlsPtr ctrls = xkbi->desc->ctrls;
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xkbi->shiftKeyCount= 0;
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xkbi->mouseKeysCounter= 0;
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xkbi->inactiveKey= 0;
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xkbi->slowKey= 0;
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xkbi->repeatKey= 0;
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xkbi->krgTimerActive= _OFF_TIMER;
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xkbi->beepType= _BEEP_NONE;
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xkbi->beepCount= 0;
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xkbi->mouseKeyTimer= NULL;
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xkbi->slowKeysTimer= NULL;
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xkbi->bounceKeysTimer= NULL;
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xkbi->repeatKeyTimer= NULL;
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xkbi->krgTimer= NULL;
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xkbi->beepTimer= NULL;
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ctrls->repeat_delay = XkbDfltRepeatDelay;
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ctrls->repeat_interval = XkbDfltRepeatInterval;
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ctrls->debounce_delay = 300;
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ctrls->slow_keys_delay = 300;
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ctrls->mk_delay = 160;
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ctrls->mk_interval = 40;
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ctrls->mk_time_to_max = 30;
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ctrls->mk_max_speed = 30;
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ctrls->mk_curve = 500;
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ctrls->mk_dflt_btn = 1;
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ctrls->ax_timeout = XkbDfltAccessXTimeout;
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ctrls->axt_ctrls_mask = XkbDfltAccessXTimeoutMask;
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ctrls->axt_ctrls_values = XkbDfltAccessXTimeoutValues;
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ctrls->axt_opts_mask = XkbDfltAccessXTimeoutOptionsMask;
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ctrls->axt_opts_values = XkbDfltAccessXTimeoutOptionsValues;
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if (XkbDfltAccessXTimeout)
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ctrls->enabled_ctrls |= XkbAccessXTimeoutMask;
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else
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ctrls->enabled_ctrls &= ~XkbAccessXTimeoutMask;
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ctrls->enabled_ctrls |= XkbDfltAccessXFeedback;
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ctrls->ax_options = XkbDfltAccessXOptions;
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AccessXComputeCurveFactor(xkbi,ctrls);
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return;
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}
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/************************************************************************/
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/* */
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/* AccessXKeyboardEvent */
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/* */
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/* Generate a synthetic keyboard event. */
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/* */
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/************************************************************************/
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static void
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AccessXKeyboardEvent(DeviceIntPtr keybd,
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BYTE type,
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BYTE keyCode,
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Bool isRepeat)
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{
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xEvent xE;
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xE.u.u.type = type;
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xE.u.u.detail = keyCode;
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xE.u.keyButtonPointer.time = GetTimeInMillis();
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#ifdef DEBUG
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if (xkbDebugFlags&0x8) {
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ErrorF("AXKE: Key %d %s\n",keyCode,(xE.u.u.type==KeyPress?"down":"up"));
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}
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#endif
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if (_XkbIsPressEvent(type))
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XkbDDXKeyClick(keybd,keyCode,TRUE);
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else if (isRepeat)
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XkbLastRepeatEvent= (pointer)&xE;
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XkbProcessKeyboardEvent(&xE,keybd,1L);
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XkbLastRepeatEvent= NULL;
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return;
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} /* AccessXKeyboardEvent */
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/************************************************************************/
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/* */
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/* AccessXKRGTurnOn */
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/* */
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/* Turn the keyboard response group on. */
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/* */
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/************************************************************************/
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static void
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AccessXKRGTurnOn(DeviceIntPtr dev,CARD16 KRGControl,xkbControlsNotify *pCN)
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{
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XkbSrvInfoPtr xkbi = dev->key->xkbInfo;
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XkbControlsPtr ctrls = xkbi->desc->ctrls;
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XkbControlsRec old;
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XkbEventCauseRec cause;
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XkbSrvLedInfoPtr sli;
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old= *ctrls;
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ctrls->enabled_ctrls |= (KRGControl&XkbAX_KRGMask);
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if (XkbComputeControlsNotify(dev,&old,ctrls,pCN,False))
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XkbSendControlsNotify(dev,pCN);
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cause.kc= pCN->keycode;
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cause.event= pCN->eventType;
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cause.mjr= pCN->requestMajor;
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cause.mnr= pCN->requestMinor;
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sli= XkbFindSrvLedInfo(dev,XkbDfltXIClass,XkbDfltXIId,0);
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XkbUpdateIndicators(dev,sli->usesControls,True,NULL,&cause);
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if (XkbAX_NeedFeedback(ctrls,XkbAX_FeatureFBMask))
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XkbDDXAccessXBeep(dev,_BEEP_FEATURE_ON,KRGControl);
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return;
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} /* AccessXKRGTurnOn */
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/************************************************************************/
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/* */
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/* AccessXKRGTurnOff */
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/* */
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/* Turn the keyboard response group off. */
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/* */
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/************************************************************************/
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static void
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AccessXKRGTurnOff(DeviceIntPtr dev,xkbControlsNotify *pCN)
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{
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XkbSrvInfoPtr xkbi = dev->key->xkbInfo;
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XkbControlsPtr ctrls = xkbi->desc->ctrls;
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XkbControlsRec old;
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XkbEventCauseRec cause;
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XkbSrvLedInfoPtr sli;
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old = *ctrls;
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ctrls->enabled_ctrls &= ~XkbAX_KRGMask;
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if (XkbComputeControlsNotify(dev,&old,ctrls,pCN,False))
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XkbSendControlsNotify(dev,pCN);
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cause.kc= pCN->keycode;
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cause.event= pCN->eventType;
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cause.mjr= pCN->requestMajor;
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cause.mnr= pCN->requestMinor;
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sli= XkbFindSrvLedInfo(dev,XkbDfltXIClass,XkbDfltXIId,0);
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XkbUpdateIndicators(dev,sli->usesControls,True,NULL,&cause);
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if (XkbAX_NeedFeedback(ctrls,XkbAX_FeatureFBMask)) {
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unsigned changes= old.enabled_ctrls^ctrls->enabled_ctrls;
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XkbDDXAccessXBeep(dev,_BEEP_FEATURE_OFF,changes);
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}
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return;
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} /* AccessXKRGTurnOff */
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/************************************************************************/
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/* */
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/* AccessXStickyKeysTurnOn */
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/* */
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/* Turn StickyKeys on. */
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/* */
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/************************************************************************/
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static void
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AccessXStickyKeysTurnOn(DeviceIntPtr dev,xkbControlsNotify *pCN)
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{
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XkbSrvInfoPtr xkbi = dev->key->xkbInfo;
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XkbControlsPtr ctrls = xkbi->desc->ctrls;
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XkbControlsRec old;
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XkbEventCauseRec cause;
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XkbSrvLedInfoPtr sli;
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old = *ctrls;
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ctrls->enabled_ctrls |= XkbStickyKeysMask;
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xkbi->shiftKeyCount = 0;
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if (XkbComputeControlsNotify(dev,&old,ctrls,pCN,False))
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XkbSendControlsNotify(dev,pCN);
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cause.kc= pCN->keycode;
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cause.event= pCN->eventType;
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cause.mjr= pCN->requestMajor;
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cause.mnr= pCN->requestMinor;
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sli= XkbFindSrvLedInfo(dev,XkbDfltXIClass,XkbDfltXIId,0);
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XkbUpdateIndicators(dev,sli->usesControls,True,NULL,&cause);
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if (XkbAX_NeedFeedback(ctrls,XkbAX_FeatureFBMask)) {
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XkbDDXAccessXBeep(dev,_BEEP_FEATURE_ON,XkbStickyKeysMask);
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}
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return;
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} /* AccessXStickyKeysTurnOn */
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/************************************************************************/
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/* */
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/* AccessXStickyKeysTurnOff */
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/* */
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/* Turn StickyKeys off. */
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/* */
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/************************************************************************/
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static void
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AccessXStickyKeysTurnOff(DeviceIntPtr dev,xkbControlsNotify *pCN)
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{
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XkbSrvInfoPtr xkbi = dev->key->xkbInfo;
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XkbControlsPtr ctrls = xkbi->desc->ctrls;
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XkbControlsRec old;
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XkbEventCauseRec cause;
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XkbSrvLedInfoPtr sli;
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old = *ctrls;
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ctrls->enabled_ctrls &= ~XkbStickyKeysMask;
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xkbi->shiftKeyCount = 0;
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if (XkbComputeControlsNotify(dev,&old,ctrls,pCN,False))
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XkbSendControlsNotify(dev,pCN);
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cause.kc= pCN->keycode;
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cause.event= pCN->eventType;
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cause.mjr= pCN->requestMajor;
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cause.mnr= pCN->requestMinor;
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sli= XkbFindSrvLedInfo(dev,XkbDfltXIClass,XkbDfltXIId,0);
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XkbUpdateIndicators(dev,sli->usesControls,True,NULL,&cause);
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if (XkbAX_NeedFeedback(ctrls,XkbAX_FeatureFBMask)) {
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XkbDDXAccessXBeep(dev,_BEEP_FEATURE_OFF,XkbStickyKeysMask);
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}
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#ifndef NO_CLEAR_LATCHES_FOR_STICKY_KEYS_OFF
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XkbClearAllLatchesAndLocks(dev,xkbi,False,&cause);
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#endif
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return;
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} /* AccessXStickyKeysTurnOff */
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static CARD32
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AccessXKRGExpire(OsTimerPtr timer,CARD32 now,pointer arg)
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{
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XkbSrvInfoPtr xkbi= ((DeviceIntPtr)arg)->key->xkbInfo;
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xkbControlsNotify cn;
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if (xkbi->krgTimerActive==_KRG_WARN_TIMER) {
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XkbDDXAccessXBeep((DeviceIntPtr)arg,_BEEP_SLOW_WARN,XkbStickyKeysMask);
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xkbi->krgTimerActive= _KRG_TIMER;
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return 4000;
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}
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xkbi->krgTimerActive= _OFF_TIMER;
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cn.keycode = 0;
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cn.eventType = 0;
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cn.requestMajor = 0;
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cn.requestMinor = 0;
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if (xkbi->desc->ctrls->enabled_ctrls&XkbSlowKeysMask)
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AccessXKRGTurnOff((DeviceIntPtr)arg,&cn);
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else AccessXKRGTurnOn((DeviceIntPtr)arg,XkbSlowKeysMask,&cn);
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return 0;
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}
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static CARD32
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AccessXRepeatKeyExpire(OsTimerPtr timer,CARD32 now,pointer arg)
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{
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XkbSrvInfoPtr xkbi= ((DeviceIntPtr)arg)->key->xkbInfo;
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KeyCode key;
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if (xkbi->repeatKey==0)
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return 0;
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key= xkbi->repeatKey;
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AccessXKeyboardEvent((DeviceIntPtr)arg,KeyRelease,key,True);
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AccessXKeyboardEvent((DeviceIntPtr)arg,KeyPress,key,True);
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return xkbi->desc->ctrls->repeat_interval;
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}
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void
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AccessXCancelRepeatKey(XkbSrvInfoPtr xkbi,KeyCode key)
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{
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if (xkbi->repeatKey==key)
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xkbi->repeatKey= 0;
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return;
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}
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static CARD32
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AccessXSlowKeyExpire(OsTimerPtr timer,CARD32 now,pointer arg)
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{
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DeviceIntPtr keybd;
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XkbSrvInfoPtr xkbi;
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XkbDescPtr xkb;
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XkbControlsPtr ctrls;
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keybd= (DeviceIntPtr)arg;
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xkbi= keybd->key->xkbInfo;
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xkb= xkbi->desc;
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ctrls= xkb->ctrls;
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if (xkbi->slowKey!=0) {
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xkbAccessXNotify ev;
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KeySym *sym= XkbKeySymsPtr(xkb,xkbi->slowKey);
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ev.detail= XkbAXN_SKAccept;
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ev.keycode= xkbi->slowKey;
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ev.slowKeysDelay= ctrls->slow_keys_delay;
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ev.debounceDelay= ctrls->debounce_delay;
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XkbSendAccessXNotify(keybd,&ev);
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if (XkbAX_NeedFeedback(ctrls,XkbAX_SKAcceptFBMask))
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XkbDDXAccessXBeep(keybd,_BEEP_SLOW_ACCEPT,XkbSlowKeysMask);
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AccessXKeyboardEvent(keybd,KeyPress,xkbi->slowKey,False);
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/* check for magic sequences */
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if ((ctrls->enabled_ctrls&XkbAccessXKeysMask) &&
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((sym[0]==XK_Shift_R)||(sym[0]==XK_Shift_L)))
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xkbi->shiftKeyCount++;
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/* Start repeating if necessary. Stop autorepeating if the user
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* presses a non-modifier key that doesn't autorepeat.
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*/
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if (keybd->kbdfeed->ctrl.autoRepeat &&
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((xkbi->slowKey != xkbi->mouseKey) || (!xkbi->mouseKeysAccel)) &&
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(ctrls->enabled_ctrls&XkbRepeatKeysMask)) {
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#ifndef AIXV3
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if (BitIsOn(keybd->kbdfeed->ctrl.autoRepeats,xkbi->slowKey))
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#endif
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{
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xkbi->repeatKey = xkbi->slowKey;
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xkbi->repeatKeyTimer= TimerSet(xkbi->repeatKeyTimer,
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0, ctrls->repeat_delay,
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AccessXRepeatKeyExpire, (pointer)keybd);
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}
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}
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}
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return 0;
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}
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static CARD32
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AccessXBounceKeyExpire(OsTimerPtr timer,CARD32 now,pointer arg)
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{
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XkbSrvInfoPtr xkbi= ((DeviceIntPtr)arg)->key->xkbInfo;
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xkbi->inactiveKey= 0;
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return 0;
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}
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static CARD32
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AccessXTimeoutExpire(OsTimerPtr timer,CARD32 now,pointer arg)
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{
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DeviceIntPtr dev = (DeviceIntPtr)arg;
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XkbSrvInfoPtr xkbi= dev->key->xkbInfo;
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XkbControlsPtr ctrls= xkbi->desc->ctrls;
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XkbControlsRec old;
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xkbControlsNotify cn;
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XkbEventCauseRec cause;
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XkbSrvLedInfoPtr sli;
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if (xkbi->lastPtrEventTime) {
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unsigned timeToWait = (ctrls->ax_timeout*1000);
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unsigned timeElapsed = (now-xkbi->lastPtrEventTime);
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if (timeToWait > timeElapsed)
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return (timeToWait - timeElapsed);
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}
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old= *ctrls;
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xkbi->shiftKeyCount= 0;
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ctrls->enabled_ctrls&= ~ctrls->axt_ctrls_mask;
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ctrls->enabled_ctrls|=
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(ctrls->axt_ctrls_values&ctrls->axt_ctrls_mask);
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if (ctrls->axt_opts_mask) {
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ctrls->ax_options&= ~ctrls->axt_opts_mask;
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ctrls->ax_options|= (ctrls->axt_opts_values&ctrls->axt_opts_mask);
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}
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if (XkbComputeControlsNotify(dev,&old,ctrls,&cn,False)) {
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cn.keycode = 0;
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cn.eventType = 0;
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cn.requestMajor = 0;
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cn.requestMinor = 0;
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XkbSendControlsNotify(dev,&cn);
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}
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XkbSetCauseUnknown(&cause);
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sli= XkbFindSrvLedInfo(dev,XkbDfltXIClass,XkbDfltXIId,0);
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XkbUpdateIndicators(dev,sli->usesControls,True,NULL,&cause);
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if (ctrls->ax_options!=old.ax_options) {
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unsigned set,cleared,bell;
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set= ctrls->ax_options&(~old.ax_options);
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cleared= (~ctrls->ax_options)&old.ax_options;
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if (set && cleared) bell= _BEEP_FEATURE_CHANGE;
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else if (set) bell= _BEEP_FEATURE_ON;
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else bell= _BEEP_FEATURE_OFF;
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XkbDDXAccessXBeep(dev,bell,XkbAccessXTimeoutMask);
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}
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xkbi->krgTimerActive= _OFF_TIMER;
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return 0;
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}
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/************************************************************************/
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/* */
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/* AccessXFilterPressEvent */
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/* */
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/* Filter events before they get any further if SlowKeys is turned on. */
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/* In addition, this routine handles the ever so popular magic key */
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/* acts for turning various accessibility features on/off. */
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/* */
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/* Returns TRUE if this routine has discarded the event. */
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/* Returns FALSE if the event needs further processing. */
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/* */
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/************************************************************************/
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Bool
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AccessXFilterPressEvent( register xEvent * xE,
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register DeviceIntPtr keybd,
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int count)
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{
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XkbSrvInfoPtr xkbi = keybd->key->xkbInfo;
|
|
XkbControlsPtr ctrls = xkbi->desc->ctrls;
|
|
Bool ignoreKeyEvent = FALSE;
|
|
KeyCode key = xE->u.u.detail;
|
|
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)) {
|
|
#ifndef AIXV3
|
|
if (BitIsOn(keybd->kbdfeed->ctrl.autoRepeats,key))
|
|
#endif
|
|
{
|
|
#ifdef DEBUG
|
|
if (xkbDebugFlags&0x10)
|
|
ErrorF("Starting software autorepeat...\n");
|
|
#endif
|
|
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(xE,keybd,count);
|
|
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( register xEvent * xE,
|
|
register DeviceIntPtr keybd,
|
|
int count)
|
|
{
|
|
XkbSrvInfoPtr xkbi = keybd->key->xkbInfo;
|
|
XkbControlsPtr ctrls = xkbi->desc->ctrls;
|
|
KeyCode key = xE->u.u.detail;
|
|
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(xE,keybd,count);
|
|
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.*/
|
|
/* */
|
|
/************************************************************************/
|
|
void
|
|
ProcessPointerEvent( register xEvent * xE,
|
|
register DeviceIntPtr mouse,
|
|
int count)
|
|
{
|
|
DeviceIntPtr dev = (DeviceIntPtr)LookupKeyboardDevice();
|
|
XkbSrvInfoPtr xkbi = dev->key->xkbInfo;
|
|
unsigned changed = 0;
|
|
|
|
xkbi->shiftKeyCount = 0;
|
|
xkbi->lastPtrEventTime= xE->u.keyButtonPointer.time;
|
|
|
|
if (xE->u.u.type==ButtonPress) {
|
|
changed |= XkbPointerButtonMask;
|
|
}
|
|
else if (xE->u.u.type==ButtonRelease) {
|
|
xkbi->lockedPtrButtons&= ~(1<<(xE->u.u.detail&0x7));
|
|
changed |= XkbPointerButtonMask;
|
|
}
|
|
CoreProcessPointerEvent(xE,mouse,count);
|
|
|
|
xkbi->state.ptr_buttons = mouse->button->state;
|
|
|
|
/* clear any latched modifiers */
|
|
if ( xkbi->state.latched_mods && (xE->u.u.type==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,(xE->u.u.detail&0x7),xE->u.u.type);
|
|
XkbUpdateIndicators(dev,changed_leds,True,NULL,&cause);
|
|
}
|
|
}
|
|
dev->key->state= XkbStateFieldFromRec(&xkbi->state);
|
|
}
|
|
|
|
if (((xkbi->flags&_XkbStateNotifyInProgress)==0)&&(changed!=0)) {
|
|
xkbStateNotify sn;
|
|
sn.keycode= xE->u.u.detail;
|
|
sn.eventType= xE->u.u.type;
|
|
sn.requestMajor = sn.requestMinor = 0;
|
|
sn.changed= changed;
|
|
XkbSendStateNotify(dev,&sn);
|
|
}
|
|
|
|
} /* ProcessPointerEvent */
|
|
|
|
|
|
|
|
|