793 lines
28 KiB
C
793 lines
28 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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#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 "exglobals.h"
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#include <X11/extensions/XIproto.h>
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#include "inputstr.h"
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#include "eventstr.h"
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#include "inpututils.h"
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#include <xkbsrv.h>
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#if !defined(WIN32)
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#include <sys/time.h>
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#endif
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int XkbDfltRepeatDelay = 660;
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int XkbDfltRepeatInterval = 40;
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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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static unsigned int XkbDfltAccessXTimeoutValues = 0;
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static unsigned int XkbDfltAccessXTimeoutOptionsMask = DFLT_TIMEOUT_OPTS;
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static unsigned int XkbDfltAccessXTimeoutOptionsValues = 0;
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unsigned int XkbDfltAccessXFeedback = XkbAccessXFeedbackMask;
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unsigned short XkbDfltAccessXOptions =
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XkbAX_AllOptionsMask & ~(XkbAX_IndicatorFBMask | XkbAX_SKReleaseFBMask |
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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,
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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, int type, BYTE keyCode, Bool isRepeat)
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{
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DeviceEvent event;
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init_device_event(&event, keybd, GetTimeInMillis());
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event.type = type;
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event.detail.key = keyCode;
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event.key_repeat = isRepeat;
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if (xkbDebugFlags & 0x8) {
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DebugF("[xkb] AXKE: Key %d %s\n", keyCode,
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(event.type == ET_KeyPress ? "down" : "up"));
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}
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XkbProcessKeyboardEvent(&event, keybd);
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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, void *arg)
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{
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xkbControlsNotify cn;
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DeviceIntPtr dev = arg;
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XkbSrvInfoPtr xkbi = dev->key->xkbInfo;
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if (xkbi->krgTimerActive == _KRG_WARN_TIMER) {
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XkbDDXAccessXBeep(dev, _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 = xkbi->slowKeyEnableKey;
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cn.eventType = KeyPress;
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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(dev, &cn);
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LogMessage(X_INFO, "XKB SlowKeys are disabled.\n");
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}
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else {
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AccessXKRGTurnOn(dev, XkbSlowKeysMask, &cn);
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LogMessage(X_INFO, "XKB SlowKeys are now enabled. Hold shift to disable.\n");
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}
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xkbi->slowKeyEnableKey = 0;
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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, void *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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if (xkbi->repeatKey == 0)
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return 0;
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AccessXKeyboardEvent(dev, ET_KeyPress, xkbi->repeatKey, 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, void *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, ET_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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if (BitIsOn(keybd->kbdfeed->ctrl.autoRepeats, xkbi->slowKey)) {
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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,
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(void *) 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, void *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, void *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 |= (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)
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bell = _BEEP_FEATURE_CHANGE;
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else if (set)
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bell = _BEEP_FEATURE_ON;
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else
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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(DeviceEvent *event, DeviceIntPtr keybd)
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{
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XkbSrvInfoPtr xkbi = keybd->key->xkbInfo;
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|
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)) {
|
|
xkbi->slowKeyEnableKey = key;
|
|
if (XkbAX_NeedFeedback(ctrls, XkbAX_SlowWarnFBMask)) {
|
|
xkbi->krgTimerActive = _KRG_WARN_TIMER;
|
|
xkbi->krgTimer = TimerSet(xkbi->krgTimer, 0, 4000,
|
|
AccessXKRGExpire, (void *) keybd);
|
|
}
|
|
else {
|
|
xkbi->krgTimerActive = _KRG_TIMER;
|
|
xkbi->krgTimer = TimerSet(xkbi->krgTimer, 0, 8000,
|
|
AccessXKRGExpire, (void *) 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, (void *) 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,
|
|
(void *) 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,
|
|
(void *) 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, (void *) 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;
|
|
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 (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))) {
|
|
DeviceIntPtr xtest_device;
|
|
|
|
xtest_device = GetXTestDevice(GetMaster(dev, MASTER_POINTER));
|
|
if (button_is_down(xtest_device, ev->device_event.detail.button, BUTTON_PROCESSED))
|
|
XkbFakeDeviceButton(dev, FALSE, event->detail.key);
|
|
}
|
|
}
|
|
|
|
if (xkbi)
|
|
xkbi->lockedPtrButtons &= ~(1 << (event->detail.key & 0x7));
|
|
|
|
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 */
|