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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/xkb/xkbAccessX.c
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Checked in the following released items:
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Diffstat (limited to 'xorg-server/xkb/xkbAccessX.c')
-rw-r--r--xorg-server/xkb/xkbAccessX.c770
1 files changed, 770 insertions, 0 deletions
diff --git a/xorg-server/xkb/xkbAccessX.c b/xorg-server/xkb/xkbAccessX.c
new file mode 100644
index 000000000..89be839d0
--- /dev/null
+++ b/xorg-server/xkb/xkbAccessX.c
@@ -0,0 +1,770 @@
+/************************************************************
+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>
+#ifdef __QNX__
+#include <limits.h>
+#endif
+#define NEED_EVENTS 1
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include <X11/keysym.h>
+#include "inputstr.h"
+#include <xkbsrv.h>
+#if !defined(WIN32) && !defined(Lynx)
+#include <sys/time.h>
+#endif
+
+_X_EXPORT int XkbDfltRepeatDelay= 660;
+_X_EXPORT int XkbDfltRepeatInterval= 40;
+pointer XkbLastRepeatEvent= NULL;
+
+#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,
+ BYTE type,
+ BYTE keyCode,
+ Bool isRepeat)
+{
+xEvent xE;
+
+ xE.u.u.type = type;
+ xE.u.u.detail = keyCode;
+ xE.u.keyButtonPointer.time = GetTimeInMillis();
+ if (xkbDebugFlags&0x8) {
+ DebugF("AXKE: Key %d %s\n",keyCode,(xE.u.u.type==KeyPress?"down":"up"));
+ }
+
+ if (_XkbIsPressEvent(type))
+ XkbDDXKeyClick(keybd,keyCode,TRUE);
+ else if (isRepeat)
+ XkbLastRepeatEvent= (pointer)&xE;
+ XkbProcessKeyboardEvent(&xE,keybd,1L);
+ XkbLastRepeatEvent= NULL;
+ 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;
+KeyCode key;
+BOOL is_core;
+
+ if (xkbi->repeatKey == 0)
+ return 0;
+
+ is_core = (dev == inputInfo.keyboard);
+ key = xkbi->repeatKey;
+ AccessXKeyboardEvent(dev, is_core ? KeyRelease : DeviceKeyRelease, key,
+ True);
+ AccessXKeyboardEvent(dev, is_core ? KeyPress : DeviceKeyPress, key, 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,
+ (keybd == inputInfo.keyboard) ? KeyPress : DeviceKeyPress,
+ 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( register xEvent * xE,
+ register DeviceIntPtr keybd,
+ int count)
+{
+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)) {
+ if (BitIsOn(keybd->kbdfeed->ctrl.autoRepeats,key)) {
+ if (xkbDebugFlags&0x10)
+ DebugF("Starting software autorepeat...\n");
+ 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 = inputInfo.keyboard;
+XkbSrvInfoPtr xkbi = dev->key->xkbInfo;
+unsigned changed = 0;
+ProcessInputProc backupproc;
+xkbDeviceInfoPtr xkbPrivPtr = XKBDEVICEINFO(mouse);
+
+ 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;
+ }
+
+ /* Guesswork. mostly.
+ * xkb actuall goes through some effort to transparently wrap the
+ * processInputProcs (see XkbSetExtension). But we all love fun, so the
+ * previous XKB implementation just hardcoded the CPPE call here instead
+ * of unwrapping like anybody with any sense of decency would do.
+ * I got no clue what the correct thing to do is, but my guess is that
+ * it's not hardcoding. I may be wrong. whatever it is, don't come whining
+ * to me. I just work here.
+ *
+ * Anyway. here's the old call, if you don't like the wrapping, revert it.
+ *
+ * CoreProcessPointerEvent(xE,mouse,count);
+ *
+ * see. it's still steaming. told you. (whot)
+ */
+ UNWRAP_PROCESS_INPUT_PROC(mouse, xkbPrivPtr, backupproc);
+ mouse->public.processInputProc(xE, mouse, count);
+ COND_WRAP_PROCESS_INPUT_PROC(mouse, xkbPrivPtr,
+ backupproc, xkbUnwrapProc);
+
+ 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 */
+
+
+
+