svn merge -r588:HEAD ^/branches/released .

1 files changed, 977 insertions, 977 deletions

diff --git a/xorg-server/xkb/xkbLEDs.c b/xorg-server/xkb/xkbLEDs.c
index 8c28513ec..a0a037fd7 100644
--- a/xorg-server/xkb/xkbLEDs.c
+++ b/xorg-server/xkb/xkbLEDs.c
@@ -1,977 +1,977 @@
-/************************************************************
-Copyright (c) 1995 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 <ctype.h>
-#include <math.h>
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "inputstr.h"
-
-#include <X11/extensions/XI.h>
-#include <xkbsrv.h>
-#include "xkb.h"
-
-/***====================================================================***/
-
-	/*
-	 * unsigned
-	 * XkbIndicatorsToUpdate(dev,changed,check_devs_rtrn)
-	 *
-	 * Given a keyboard and a set of state components that have changed,
-	 * this function returns the indicators on the default keyboard 
-	 * feedback that might be affected.   It also reports whether or not 
-	 * any extension devices might be affected in check_devs_rtrn.
-	 */
-
-unsigned
-XkbIndicatorsToUpdate(	DeviceIntPtr	dev,
-			unsigned long 	state_changes,
-			Bool		enable_changes)
-{
-register unsigned	update=	0;
-XkbSrvLedInfoPtr	sli;
-
-    sli= XkbFindSrvLedInfo(dev,XkbDfltXIClass,XkbDfltXIId,0);
-
-    if (!sli)
-        return update;
-
-    if (state_changes&(XkbModifierStateMask|XkbGroupStateMask))
-	update|= sli->usesEffective;
-    if (state_changes&(XkbModifierBaseMask|XkbGroupBaseMask))
-	update|= sli->usesBase;
-    if (state_changes&(XkbModifierLatchMask|XkbGroupLatchMask))
-	update|= sli->usesLatched;
-    if (state_changes&(XkbModifierLockMask|XkbGroupLockMask))
-	update|= sli->usesLocked;
-    if (state_changes&XkbCompatStateMask)
-	update|= sli->usesCompat;
-    if (enable_changes)
-	update|= sli->usesControls;
-    return update;
-}
-
-/***====================================================================***/
-
-	/*
-	 * Bool
-	 *XkbApplyLEDChangeToKeyboard(xkbi,map,on,change)
-	 *
-	 * Some indicators "drive" the keyboard when their state is explicitly 
-	 * changed, as described in section 9.2.1 of the XKB protocol spec.
-	 * This function updates the state and controls for the keyboard 
-	 * specified by 'xkbi' to reflect any changes that are required 
-	 * when the indicator described by 'map' is turned on or off.  The
-	 * extent of the changes is reported in change, which must be defined.
-	 */
-static Bool
-XkbApplyLEDChangeToKeyboard(	XkbSrvInfoPtr		xkbi,
-				XkbIndicatorMapPtr	map,
-				Bool			on,
-				XkbChangesPtr		change)
-{
-Bool		ctrlChange,stateChange;
-XkbStatePtr	state;
-
-    if ((map->flags&XkbIM_NoExplicit)||((map->flags&XkbIM_LEDDrivesKB)==0))
-	return FALSE;
-    ctrlChange= stateChange= FALSE;
-    if (map->ctrls) {
-	XkbControlsPtr	ctrls= xkbi->desc->ctrls;
-	unsigned 	old;
-
-	old= ctrls->enabled_ctrls;
-	if (on)	ctrls->enabled_ctrls|= map->ctrls;
-	else	ctrls->enabled_ctrls&= ~map->ctrls;
-	if (old!=ctrls->enabled_ctrls) {
-	    change->ctrls.changed_ctrls= XkbControlsEnabledMask;
-	    change->ctrls.enabled_ctrls_changes= old^ctrls->enabled_ctrls;
-	    ctrlChange= TRUE;
-	}
-    }
-    state= &xkbi->state;
-    if ((map->groups)&&((map->which_groups&(~XkbIM_UseBase))!=0)) {
-	register int i;
-	register unsigned bit,match;
-
-	if (on)	match= (map->groups)&XkbAllGroupsMask;
-	else 	match= (~map->groups)&XkbAllGroupsMask;
-	if (map->which_groups&(XkbIM_UseLocked|XkbIM_UseEffective)) {
-	    for (i=0,bit=1;i<XkbNumKbdGroups;i++,bit<<=1) {
-		if (bit&match)
-		    break;
-	    }
-	    if (map->which_groups&XkbIM_UseLatched)
-		XkbLatchGroup(xkbi->device,0); /* unlatch group */
-	    state->locked_group= i;
-	    stateChange= TRUE;
-	}
-	else if (map->which_groups&(XkbIM_UseLatched|XkbIM_UseEffective)) {
-	    for (i=0,bit=1;i<XkbNumKbdGroups;i++,bit<<=1) {
-		if (bit&match)
-		    break;
-	    }
-	    state->locked_group= 0;
-	    XkbLatchGroup(xkbi->device,i);
-	    stateChange= TRUE;
-	}
-    }
-    if ((map->mods.mask)&&((map->which_mods&(~XkbIM_UseBase))!=0)) {
-	if (map->which_mods&(XkbIM_UseLocked|XkbIM_UseEffective)) {
-	    register unsigned long old;
-	    old= state->locked_mods;
-	    if (on)	state->locked_mods|= map->mods.mask;
-	    else	state->locked_mods&= ~map->mods.mask;
-	    if (state->locked_mods!=old)
-		stateChange= TRUE;
-	}
-	if (map->which_mods&(XkbIM_UseLatched|XkbIM_UseEffective)) {
-	    register unsigned long newmods;
-	    newmods= state->latched_mods;
-	    if (on)	newmods|=  map->mods.mask;
-	    else	newmods&= ~map->mods.mask;
-	    if (newmods!=state->locked_mods) {
-		newmods&= map->mods.mask;
-		XkbLatchModifiers(xkbi->device,map->mods.mask,newmods);
-		stateChange= TRUE;
-	    }
-	}
-    }
-    return (stateChange || ctrlChange);
-}
-	
-	/*
-	 * Bool
-	 * ComputeAutoState(map,state,ctrls)
-	 *
-	 * This function reports the effect of applying the specified
-	 * indicator map given the specified state and controls, as
-	 * described in section 9.2 of the XKB protocol specification.
-	 */
-
-static Bool
-ComputeAutoState(	XkbIndicatorMapPtr	map,
-			XkbStatePtr 		state,
-			XkbControlsPtr 		ctrls)
-{
-Bool 			on;
-CARD8 			mods,group;
-
-    on= FALSE;
-    mods= group= 0;
-    if (map->which_mods&XkbIM_UseAnyMods) {
-	if (map->which_mods&XkbIM_UseBase)
-	    mods|= state->base_mods;
-	if (map->which_mods&XkbIM_UseLatched)
-	    mods|= state->latched_mods;
-	if (map->which_mods&XkbIM_UseLocked)
-	    mods|= state->locked_mods;
-	if (map->which_mods&XkbIM_UseEffective)
-	    mods|= state->mods;
-	if (map->which_mods&XkbIM_UseCompat)
-	    mods|= state->compat_state;
-	on = ((map->mods.mask&mods)!=0);
-	on = on||((mods==0)&&(map->mods.mask==0)&&(map->mods.vmods==0));
-    }
-    if (map->which_groups&XkbIM_UseAnyGroup) {
-	if (map->which_groups&XkbIM_UseBase)
-	    group|= (1L << state->base_group);
-	if (map->which_groups&XkbIM_UseLatched)
-	    group|= (1L << state->latched_group);
-	if (map->which_groups&XkbIM_UseLocked)
-	    group|= (1L << state->locked_group);
-	if (map->which_groups&XkbIM_UseEffective)
-	    group|= (1L << state->group);
-	on = on||(((map->groups&group)!=0)||(map->groups==0));
-    }
-    if (map->ctrls)
-	on = on||(ctrls->enabled_ctrls&map->ctrls);
-    return on;
-}
-
-
-static void
-XkbUpdateLedAutoState(	DeviceIntPtr			dev,
-			XkbSrvLedInfoPtr		sli,
-			unsigned			maps_to_check,
-			xkbExtensionDeviceNotify *	ed,
-			XkbChangesPtr			changes,
-			XkbEventCausePtr		cause)
-{
-DeviceIntPtr			kbd;
-XkbStatePtr			state;
-XkbControlsPtr			ctrls;
-XkbChangesRec			my_changes;
-xkbExtensionDeviceNotify	my_ed;
-register unsigned		i,bit,affected;
-register XkbIndicatorMapPtr	map;
-unsigned			oldState;
-
-    if ((maps_to_check==0)||(sli->maps==NULL)||(sli->mapsPresent==0))
-	return;
-
-    if (dev->key && dev->key->xkbInfo)
-	 kbd= dev;
-    else kbd= inputInfo.keyboard;
-
-    state= &kbd->key->xkbInfo->state;
-    ctrls= kbd->key->xkbInfo->desc->ctrls;
-    affected= maps_to_check;
-    oldState= sli->effectiveState;
-    sli->autoState&= ~affected;
-    for (i=0,bit=1;(i<XkbNumIndicators)&&(affected);i++,bit<<=1) {
-	if ((affected&bit)==0)
-	    continue;
-	affected&= ~bit;
-	map= &sli->maps[i];
-	if((!(map->flags&XkbIM_NoAutomatic))&&ComputeAutoState(map,state,ctrls))
-	    sli->autoState|= bit;
-    }
-    sli->effectiveState= (sli->autoState|sli->explicitState);
-    affected= sli->effectiveState^oldState;
-    if (affected==0)
-	return;
-
-    if (ed==NULL) {
-	ed= &my_ed;
-	bzero((char *)ed,sizeof(xkbExtensionDeviceNotify));
-    }
-    else if ((ed->reason&XkbXI_IndicatorsMask)&&
-	     ((ed->ledClass!=sli->class)||(ed->ledID!=sli->id))) {
-	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);
-    }
-
-    if ((kbd==dev)&&(sli->flags&XkbSLI_IsDefault)) {
-	if (changes==NULL) {
-	    changes= &my_changes;
-	    bzero((char *)changes,sizeof(XkbChangesRec));
-	}
-	changes->indicators.state_changes|= affected;
-    }
-
-    ed->reason|=	XkbXI_IndicatorStateMask;
-    ed->ledClass= 	sli->class;
-    ed->ledID=		sli->id;
-    ed->ledsDefined=	sli->namesPresent|sli->mapsPresent;
-    ed->ledState=	sli->effectiveState;
-    ed->unsupported=	0;
-    ed->supported=	XkbXI_AllFeaturesMask;
-
-    if (changes!=&my_changes)	changes= NULL;
-    if (ed!=&my_ed)		ed= NULL;
-    if (changes || ed)
-	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);
-    return;
-}
-
-static void
-XkbUpdateAllDeviceIndicators(XkbChangesPtr changes,XkbEventCausePtr cause)
-{
-DeviceIntPtr		edev;
-XkbSrvLedInfoPtr	sli;
-
-    for (edev=inputInfo.devices;edev!=NULL;edev=edev->next) {
-	if (edev->kbdfeed) {
-	    KbdFeedbackPtr	kf;
-	    for (kf=edev->kbdfeed;kf!=NULL;kf=kf->next) {
-		if ((kf->xkb_sli==NULL)||(kf->xkb_sli->maps==NULL))
-		    continue;
-		sli= kf->xkb_sli;
-		XkbUpdateLedAutoState(edev,sli,sli->mapsPresent,NULL,
-								changes,cause);
-			
-	    }
-	}
-	if (edev->leds) {
-	    LedFeedbackPtr	lf;
-	    for (lf=edev->leds;lf!=NULL;lf=lf->next) {
-		if ((lf->xkb_sli==NULL)||(lf->xkb_sli->maps==NULL))
-		    continue;
-		sli= lf->xkb_sli;
-		XkbUpdateLedAutoState(edev,sli,sli->mapsPresent,NULL,
-								changes,cause);
-			
-	    }
-	}
-    }
-    return;
-}
-
-
-/***====================================================================***/
-
-	/*
-	 * void
-	 * XkbSetIndicators(dev,affect,values,cause)
-	 *
-	 * Attempts to change the indicators specified in 'affect' to the
-	 * states specified in 'values' for the default keyboard feedback
-	 * on the keyboard specified by 'dev.'   Attempts to change indicator
-	 * state might be ignored or have no affect, depending on the XKB
-	 * indicator map for any affected indicators, as described in section
-	 * 9.2 of the XKB protocol specification.
-	 *
-	 * If 'changes' is non-NULL, this function notes any changes to the
-	 * keyboard state, controls, or indicator state that result from this
-	 * attempted change.   If 'changes' is NULL, this function generates
-	 * XKB events to report any such changes to interested clients.
-	 *
-	 * If 'cause' is non-NULL, it specifies the reason for the change, 
-	 * as reported in some XKB events.   If it is NULL, this function 
-	 * assumes that the change is the result of a core protocol 
-	 * ChangeKeyboardMapping request.
-	 */
-
-void
-XkbSetIndicators(	DeviceIntPtr		dev,
-			CARD32			affect,
-			CARD32			values,
-			XkbEventCausePtr	cause)
-{
-XkbSrvLedInfoPtr		sli;
-XkbChangesRec			changes;
-xkbExtensionDeviceNotify	ed;
-unsigned 			side_affected;
-
-    bzero((char *)&changes,sizeof(XkbChangesRec));
-    bzero((char *)&ed,sizeof(xkbExtensionDeviceNotify));
-    sli= XkbFindSrvLedInfo(dev,XkbDfltXIClass,XkbDfltXIId,0);
-    sli->explicitState&= ~affect;
-    sli->explicitState|= (affect&values);
-    XkbApplyLedStateChanges(dev,sli,affect,&ed,&changes,cause);
-
-    side_affected= 0;
-    if (changes.state_changes!=0)
-	side_affected|= XkbIndicatorsToUpdate(dev,changes.state_changes,FALSE);
-    if (changes.ctrls.enabled_ctrls_changes)
-	side_affected|= sli->usesControls;
-
-    if (side_affected) {
-	XkbUpdateLedAutoState(dev,sli,side_affected,&ed,&changes,cause);
-	affect|= side_affected;
-    }
-    if (changes.state_changes || changes.ctrls.enabled_ctrls_changes)
-	XkbUpdateAllDeviceIndicators(NULL,cause);
-
-    XkbFlushLedEvents(dev,dev,sli,&ed,&changes,cause);
-    return;
-}
-
-/***====================================================================***/
-
-/***====================================================================***/
-
-	/*
-	 * void
-	 * XkbUpdateIndicators(dev,update,check_edevs,changes,cause)
-	 *
-	 * Applies the indicator maps for any indicators specified in
-	 * 'update' from the default keyboard feedback on the device
-	 * specified by 'dev.' 
-	 *
-	 * If 'changes' is NULL, this function generates and XKB events
-	 * required to report the necessary changes, otherwise it simply
-	 * notes the indicators with changed state.
-	 *
-	 * If 'check_edevs' is TRUE, this function also checks the indicator
-	 * maps for any open extension devices that have them, and updates
-	 * the state of any extension device indicators as necessary.
-	 */
-
-void
-XkbUpdateIndicators(	DeviceIntPtr		dev,
-			register CARD32		update,
-			Bool			check_edevs,
-			XkbChangesPtr		changes,
-			XkbEventCausePtr	cause)
-{
-XkbSrvLedInfoPtr	sli;
-
-    sli= XkbFindSrvLedInfo(dev,XkbDfltXIClass,XkbDfltXIId,0);
-    XkbUpdateLedAutoState(dev,sli,update,NULL,changes,cause);
-    if (check_edevs)
-	XkbUpdateAllDeviceIndicators(changes,cause);
-    return;
-}
-
-/***====================================================================***/
-
-/***====================================================================***/
-
-	/*
-	 * void
-	 * XkbCheckIndicatorMaps(dev,sli,which)
-	 *
-	 * Updates the 'indicator accelerators' for the indicators specified
-	 * by 'which' in the feedback specified by 'sli.' The indicator 
-	 * accelerators are internal to the server and are used to simplify 
-	 * and speed up the process of figuring out which indicators might 
-	 * be affected by a particular change in keyboard state or controls.
-	 */
-
-void
-XkbCheckIndicatorMaps(DeviceIntPtr dev,XkbSrvLedInfoPtr sli,unsigned which)
-{
-register unsigned	i,bit;
-XkbIndicatorMapPtr	map;
-XkbDescPtr		xkb;
-
-    if ((sli->flags&XkbSLI_HasOwnState)==0)
-        return;
-
-    sli->usesBase&=	 ~which;
-    sli->usesLatched&=	 ~which;
-    sli->usesLocked&=	 ~which;
-    sli->usesEffective&= ~which;
-    sli->usesCompat&=	 ~which;
-    sli->usesControls&=	 ~which;
-    sli->mapsPresent&=	 ~which;
-
-    xkb= dev->key->xkbInfo->desc;
-    for (i=0,bit=1,map=sli->maps;i<XkbNumIndicators;i++,bit<<=1,map++) {
-	if (which&bit) {
-	    CARD8		what;
-
-	    if (!map || !XkbIM_InUse(map))
-		continue;
-	    sli->mapsPresent|= bit;
-
-	    what= (map->which_mods|map->which_groups);
-	    if (what&XkbIM_UseBase)
-		 sli->usesBase|= bit;
-	    if (what&XkbIM_UseLatched)
-		 sli->usesLatched|= bit;
-	    if (what&XkbIM_UseLocked)
-		 sli->usesLocked|= bit;
-	    if (what&XkbIM_UseEffective)
-		 sli->usesEffective|= bit;
-	    if (what&XkbIM_UseCompat)
-		 sli->usesCompat|= bit;
-	    if (map->ctrls)
-		 sli->usesControls|= bit;
-
-	    map->mods.mask= map->mods.real_mods;
-	    if (map->mods.vmods!=0) {
-		map->mods.mask|= XkbMaskForVMask(xkb,map->mods.vmods);
-	    }
-	}
-    }
-    sli->usedComponents= 0;
-    if (sli->usesBase)
-	sli->usedComponents|= XkbModifierBaseMask|XkbGroupBaseMask;
-    if (sli->usesLatched)
-	sli->usedComponents|= XkbModifierLatchMask|XkbGroupLatchMask;
-    if (sli->usesLocked)
-	sli->usedComponents|= XkbModifierLockMask|XkbGroupLockMask;
-    if (sli->usesEffective)
-	sli->usedComponents|= XkbModifierStateMask|XkbGroupStateMask;
-    if (sli->usesCompat)
-	sli->usedComponents|= XkbCompatStateMask;
-    return;
-}
-
-/***====================================================================***/
-
-	/*
-	 * XkbSrvLedInfoPtr
-	 * XkbAllocSrvLedInfo(dev,kf,lf,needed_parts)
-	 *
-	 * Allocates an XkbSrvLedInfoPtr for the feedback specified by either
-	 * 'kf' or 'lf' on the keyboard specified by 'dev.'
-	 *
-	 * If 'needed_parts' is non-zero, this function makes sure that any
-	 * of the parts speicified therein are allocated.
-	 */
-XkbSrvLedInfoPtr
-XkbAllocSrvLedInfo(	DeviceIntPtr		dev,
-			KbdFeedbackPtr		kf,
-			LedFeedbackPtr		lf,
-			unsigned		needed_parts)
-{
-XkbSrvLedInfoPtr	sli;
-Bool			checkAccel;
-Bool			checkNames;
-
-    sli= NULL;
-    checkAccel= checkNames= FALSE;
-    if ((kf!=NULL)&&(kf->xkb_sli==NULL)) {
-	kf->xkb_sli= sli= xcalloc(1, sizeof(XkbSrvLedInfoRec));
-	if (sli==NULL)
-	    return NULL; /* ALLOCATION ERROR */
-	if (dev->key && dev->key->xkbInfo)
-	     sli->flags= XkbSLI_HasOwnState;
-	else sli->flags= 0;	
-	sli->class=	KbdFeedbackClass;
-	sli->id=	kf->ctrl.id;
-	sli->fb.kf=	kf;
-
-	sli->autoState=		0;
-	sli->explicitState=	kf->ctrl.leds;
-	sli->effectiveState=	kf->ctrl.leds;
-
-	if ((kf==dev->kbdfeed) && (dev->key) && (dev->key->xkbInfo)) {
-	    XkbDescPtr	xkb;
-	    xkb= dev->key->xkbInfo->desc;
-	    sli->flags|= 		XkbSLI_IsDefault;
-	    sli->physIndicators=	xkb->indicators->phys_indicators;
-	    sli->names=			xkb->names->indicators;
-	    sli->maps=			xkb->indicators->maps;
-	    checkNames= checkAccel=	TRUE;
-	}
-	else {
-	    sli->physIndicators=	XkbAllIndicatorsMask;
-	    sli->names=			NULL;
-	    sli->maps=			NULL;
-	}
-    }
-    else if ((kf!=NULL)&&((kf->xkb_sli->flags&XkbSLI_IsDefault)!=0)) {
-	XkbDescPtr	xkb;
-	xkb= dev->key->xkbInfo->desc;
-	sli->physIndicators=	xkb->indicators->phys_indicators;
-	if (xkb->names->indicators!=sli->names) {
-	    checkNames= TRUE;
-	    sli->names= xkb->names->indicators;
-	}
-	if (xkb->indicators->maps!=sli->maps) {
-	    checkAccel= TRUE;
-	    sli->maps= xkb->indicators->maps;
-	}
-    }
-    else if ((lf!=NULL)&&(lf->xkb_sli==NULL)) {
-	lf->xkb_sli= sli= xcalloc(1, sizeof(XkbSrvLedInfoRec));
-	if (sli==NULL)
-	    return NULL; /* ALLOCATION ERROR */
-	if (dev->key && dev->key->xkbInfo)
-	     sli->flags= XkbSLI_HasOwnState;
-	else sli->flags= 0;	
-	sli->class=	LedFeedbackClass;
-	sli->id=	lf->ctrl.id;
-	sli->fb.lf=	lf;
-
-	sli->physIndicators=	lf->ctrl.led_mask;
-	sli->autoState=		0;
-	sli->explicitState=	lf->ctrl.led_values;
-	sli->effectiveState=	lf->ctrl.led_values;
-	sli->maps=		NULL;
-	sli->names=		NULL;
-    }
-    if ((sli->names==NULL)&&(needed_parts&XkbXI_IndicatorNamesMask))
-	sli->names= xcalloc(XkbNumIndicators, sizeof(Atom));
-    if ((sli->maps==NULL)&&(needed_parts&XkbXI_IndicatorMapsMask))
-	sli->maps= xcalloc(XkbNumIndicators, sizeof(XkbIndicatorMapRec));
-    if (checkNames) {
-	register unsigned i,bit;
-	sli->namesPresent=	0;
-	for (i=0,bit=1;i<XkbNumIndicators;i++,bit<<=1) {
-	    if (sli->names[i]!=None)
-		sli->namesPresent|= bit;
-	}
-    }
-    if (checkAccel)
-	 XkbCheckIndicatorMaps(dev,sli,XkbAllIndicatorsMask);
-    return sli;
-}
-
-void
-XkbFreeSrvLedInfo(XkbSrvLedInfoPtr sli)
-{
-    if ((sli->flags&XkbSLI_IsDefault)==0) {
-	if (sli->maps)	xfree(sli->maps);
-	if (sli->names)	xfree(sli->names);
-    }
-    sli->maps= NULL;
-    sli->names= NULL;
-    xfree(sli);
-    return;
-}
-
-/*
- * XkbSrvLedInfoPtr
- * XkbCopySrvLedInfo(dev,src,kf,lf)
- *
- * Takes the given XkbSrvLedInfoPtr and duplicates it. A deep copy is made,
- * thus the new copy behaves like the original one and can be freed with
- * XkbFreeSrvLedInfo.
- */
-XkbSrvLedInfoPtr
-XkbCopySrvLedInfo(	DeviceIntPtr		from,
-			XkbSrvLedInfoPtr	src,
-			KbdFeedbackPtr		kf,
-			LedFeedbackPtr		lf)
-{
-    XkbSrvLedInfoPtr sli_new = NULL;
-
-    if (!src)
-	goto finish;
-
-    sli_new = xcalloc(1, sizeof( XkbSrvLedInfoRec));
-    if (!sli_new)
-	goto finish;
-
-    memcpy(sli_new, src, sizeof(XkbSrvLedInfoRec));
-    if (sli_new->class == KbdFeedbackClass)
-	sli_new->fb.kf = kf;
-    else
-	sli_new->fb.lf = lf;
-
-    if (!(sli_new->flags & XkbSLI_IsDefault)) {
-	sli_new->names= xcalloc(XkbNumIndicators, sizeof(Atom));
-	sli_new->maps= xcalloc(XkbNumIndicators, sizeof(XkbIndicatorMapRec));
-    } /* else sli_new->names/maps is pointing to
-	dev->key->xkbInfo->desc->names->indicators;
-	dev->key->xkbInfo->desc->names->indicators; */
-
-finish:
-    return sli_new;
-}
-
-/***====================================================================***/
-
-	/*
-	 * XkbSrvLedInfoPtr
-	 * XkbFindSrvLedInfo(dev,class,id,needed_parts)
-	 *
-	 * Finds the XkbSrvLedInfoPtr for the specified 'class' and 'id'
-	 * on the device specified by 'dev.'   If the class and id specify
-	 * a valid device feedback, this function returns the existing 
-	 * feedback or allocates a new one.
-	 *
-	 */
-
-XkbSrvLedInfoPtr
-XkbFindSrvLedInfo(	DeviceIntPtr		dev,
-			unsigned		class,
-			unsigned		id,
-			unsigned		needed_parts)
-{
-XkbSrvLedInfoPtr	sli;
-
-    /* optimization to check for most common case */
-    if (((class==XkbDfltXIClass)&&(id==XkbDfltXIId))&&(dev->kbdfeed)) {
-	XkbSrvLedInfoPtr	sli;
-	sli= dev->kbdfeed->xkb_sli;
-	if (dev->kbdfeed->xkb_sli==NULL) {
-	    sli= XkbAllocSrvLedInfo(dev,dev->kbdfeed,NULL,needed_parts);
-	    dev->kbdfeed->xkb_sli= sli;
-	}
-	return dev->kbdfeed->xkb_sli;
-    }
-
-    sli= NULL;
-    if (class==XkbDfltXIClass) {
-	if (dev->kbdfeed)	class= KbdFeedbackClass;
-	else if (dev->leds)	class= LedFeedbackClass;
-	else 			return NULL;
-    }
-    if (class==KbdFeedbackClass) {
-	KbdFeedbackPtr	kf;
-	for (kf=dev->kbdfeed;kf!=NULL;kf=kf->next) {
-	    if ((id==XkbDfltXIId)||(id==kf->ctrl.id)) {
-		if (kf->xkb_sli==NULL)
-		    kf->xkb_sli= XkbAllocSrvLedInfo(dev,kf,NULL,needed_parts);
-		sli= kf->xkb_sli;
-		break;
-	    }	
-	}
-    }
-    else if (class==LedFeedbackClass) {
-	LedFeedbackPtr	lf;
-	for (lf=dev->leds;lf!=NULL;lf=lf->next) {
-	    if ((id==XkbDfltXIId)||(id==lf->ctrl.id)) {
-		if (lf->xkb_sli==NULL)
-		    lf->xkb_sli= XkbAllocSrvLedInfo(dev,NULL,lf,needed_parts);
-		sli= lf->xkb_sli;
-		break;
-	    }	
-	}
-    }
-    if ((sli->names==NULL)&&(needed_parts&XkbXI_IndicatorNamesMask))
-	sli->names= xcalloc(XkbNumIndicators, sizeof(Atom));
-    if ((sli->maps==NULL)&&(needed_parts&XkbXI_IndicatorMapsMask))
-	sli->maps= xcalloc(XkbNumIndicators, sizeof(XkbIndicatorMapRec));
-    return sli;
-}
-
-/***====================================================================***/
-
-void
-XkbFlushLedEvents(	DeviceIntPtr			dev,
-			DeviceIntPtr			kbd,
-			XkbSrvLedInfoPtr		sli,
-			xkbExtensionDeviceNotify *	ed,
-			XkbChangesPtr			changes,
-			XkbEventCausePtr		cause)
-{
-    if (changes) {
-	if (changes->indicators.state_changes)
-	    XkbDDXUpdateDeviceIndicators(dev,sli,sli->effectiveState);
-	XkbSendNotification(kbd,changes,cause);
-	bzero((char *)changes,sizeof(XkbChangesRec));
-
-	if (XkbAX_NeedFeedback(kbd->key->xkbInfo->desc->ctrls, XkbAX_IndicatorFBMask)) {
-		if (sli->effectiveState)
-			/* it appears that the which parameter is not used */
-			XkbDDXAccessXBeep(dev, _BEEP_LED_ON, XkbAccessXFeedbackMask);
-		else
-			XkbDDXAccessXBeep(dev, _BEEP_LED_OFF, XkbAccessXFeedbackMask);
-	}
-    }
-    if (ed) {
-	if (ed->reason) {
-	    if ((dev!=kbd)&&(ed->reason&XkbXI_IndicatorStateMask))
-		XkbDDXUpdateDeviceIndicators(dev,sli,sli->effectiveState);
-	    XkbSendExtensionDeviceNotify(dev,cause->client,ed);
-	}
-	bzero((char *)ed,sizeof(XkbExtensionDeviceNotify));
-    }
-    return;
-}
-
-/***====================================================================***/
-
-void
-XkbApplyLedNameChanges(	DeviceIntPtr 			dev,
-			XkbSrvLedInfoPtr		sli,
-			unsigned			changed_names,
-			xkbExtensionDeviceNotify *	ed,
-			XkbChangesPtr			changes,
-			XkbEventCausePtr		cause)
-{
-DeviceIntPtr			kbd;
-XkbChangesRec			my_changes;
-xkbExtensionDeviceNotify	my_ed;
-
-    if (changed_names==0)
-	return;
-    if (dev->key && dev->key->xkbInfo)
-	 kbd= dev;
-    else kbd= inputInfo.keyboard;
-
-    if (ed==NULL) {
-	ed= &my_ed;
-	bzero((char *)ed,sizeof(xkbExtensionDeviceNotify));
-    }
-    else if ((ed->reason&XkbXI_IndicatorsMask)&&
-	     ((ed->ledClass!=sli->class)||(ed->ledID!=sli->id))) {
-	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);
-    }
-
-    if ((kbd==dev)&&(sli->flags&XkbSLI_IsDefault)) { 
-	if (changes==NULL) {
-	   changes= &my_changes;
-	   bzero((char *)changes,sizeof(XkbChangesRec));
-	}
-	changes->names.changed|= XkbIndicatorNamesMask;
-	changes->names.changed_indicators|= changed_names;
-    }
-
-    ed->reason|=	XkbXI_IndicatorNamesMask;
-    ed->ledClass= 	sli->class;
-    ed->ledID=		sli->id;
-    ed->ledsDefined=	sli->namesPresent|sli->mapsPresent;
-    ed->ledState=	sli->effectiveState;
-    ed->unsupported=	0;
-    ed->supported=	XkbXI_AllFeaturesMask;
-
-    if (changes!=&my_changes)	changes= NULL;
-    if (ed!=&my_ed)		ed= NULL;
-    if (changes || ed)
-	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);
-    return;
-}
-/***====================================================================***/
-
-	/*
-	 * void
-	 * XkbApplyLedMapChanges(dev,sli,changed_maps,changes,cause)
-	 *
-	 * Handles all of the secondary effects of the changes to the
-	 * feedback specified by 'sli' on the device specified by 'dev.'
-	 * 
-	 * If 'changed_maps' specifies any indicators, this function generates
-	 * XkbExtensionDeviceNotify events and possibly IndicatorMapNotify
-	 * events to report the changes, and recalculates the effective
-	 * state of each indicator with a changed map.  If any indicators
-	 * change state, the server generates XkbExtensionDeviceNotify and
-	 * XkbIndicatorStateNotify events as appropriate.
-	 *
-	 * If 'changes' is non-NULL, this function updates it to reflect
-	 * any changes to the keyboard state or controls or to the 'core'
-	 * indicator names, maps, or state.   If 'changes' is NULL, this
-	 * function generates XKB events as needed to report the changes.
-	 * If 'dev' is not a keyboard device, any changes are reported
-	 * for the core keyboard.
-	 *
-	 * The 'cause' specifies the reason for the event (key event or
-	 * request) for the change, as reported in some XKB events.
-	 */
-
-void
-XkbApplyLedMapChanges(	DeviceIntPtr 			dev,
-			XkbSrvLedInfoPtr		sli,
-			unsigned			changed_maps,
-			xkbExtensionDeviceNotify *	ed,
-			XkbChangesPtr			changes,
-			XkbEventCausePtr		cause)
-{
-DeviceIntPtr			kbd;
-XkbChangesRec			my_changes;
-xkbExtensionDeviceNotify	my_ed;
-
-    if (changed_maps==0)
-	return;
-    if (dev->key && dev->key->xkbInfo)
-	 kbd= dev;
-    else kbd= inputInfo.keyboard;
-
-    if (ed==NULL) {
-	ed= &my_ed;
-	bzero((char *)ed,sizeof(xkbExtensionDeviceNotify));
-    }
-    else if ((ed->reason&XkbXI_IndicatorsMask)&&
-	     ((ed->ledClass!=sli->class)||(ed->ledID!=sli->id))) {
-	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);
-    }
-
-    if ((kbd==dev)&&(sli->flags&XkbSLI_IsDefault)) {
-	if (changes==NULL) {
-	    changes= &my_changes;
-	    bzero((char *)changes,sizeof(XkbChangesRec));
-	}
-	changes->indicators.map_changes|= changed_maps;
-    }
-
-    XkbCheckIndicatorMaps(dev,sli,changed_maps);
-
-    ed->reason|=	XkbXI_IndicatorMapsMask;
-    ed->ledClass= 	sli->class;
-    ed->ledID=		sli->id;
-    ed->ledsDefined=	sli->namesPresent|sli->mapsPresent;
-    ed->ledState=	sli->effectiveState;
-    ed->unsupported=	0;
-    ed->supported=	XkbXI_AllFeaturesMask;
-
-    XkbUpdateLedAutoState(dev,sli,changed_maps,ed,changes,cause);
-
-    if (changes!=&my_changes)	changes= NULL;
-    if (ed!=&my_ed)		ed= NULL;
-    if (changes || ed)
-	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);
-    return;
-}
-
-/***====================================================================***/
-
-void
-XkbApplyLedStateChanges(DeviceIntPtr 			dev,
-			XkbSrvLedInfoPtr		sli,
-			unsigned			changed_leds,
-			xkbExtensionDeviceNotify *	ed,
-			XkbChangesPtr			changes,
-			XkbEventCausePtr		cause)
-{
-XkbSrvInfoPtr			xkbi;
-DeviceIntPtr			kbd;
-XkbChangesRec			my_changes;
-xkbExtensionDeviceNotify	my_ed;
-register unsigned		i,bit,affected;
-XkbIndicatorMapPtr		map;
-unsigned			oldState;
-Bool				kb_changed;
-
-    if (changed_leds==0)
-	return;
-    if (dev->key && dev->key->xkbInfo)
-	 kbd= dev;
-    else kbd= inputInfo.keyboard;
-    xkbi= kbd->key->xkbInfo;
-
-    if (changes==NULL) {
-	changes= &my_changes;
-	bzero((char *)changes,sizeof(XkbChangesRec));
-    }
-
-    kb_changed= FALSE;
-    affected= changed_leds;
-    oldState= sli->effectiveState;
-    for (i=0,bit=1;(i<XkbNumIndicators)&&(affected);i++,bit<<=1) {
-	if ((affected&bit)==0)
-	    continue;
-	affected&= ~bit;
-	map= &sli->maps[i];
-	if (map->flags&XkbIM_NoExplicit) {
-	    sli->explicitState&= ~bit;
-	    continue;
-	}
-	if (map->flags&XkbIM_LEDDrivesKB) {
-	    Bool on= ((sli->explicitState&bit)!=0);
-	    if (XkbApplyLEDChangeToKeyboard(xkbi,map,on,changes))
-		kb_changed= TRUE;
-	}
-    }
-    sli->effectiveState= (sli->autoState|sli->explicitState);
-    affected= sli->effectiveState^oldState;
-
-    if (ed==NULL) {
-	ed= &my_ed;
-	bzero((char *)ed,sizeof(xkbExtensionDeviceNotify));
-    }
-    else if (affected&&(ed->reason&XkbXI_IndicatorsMask)&&
-	     ((ed->ledClass!=sli->class)||(ed->ledID!=sli->id))) {
-	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);
-    }
-
-    if ((kbd==dev)&&(sli->flags&XkbSLI_IsDefault))
-	changes->indicators.state_changes|= affected;
-    if (affected) {
-	ed->reason|=		XkbXI_IndicatorStateMask;
-	ed->ledClass= 		sli->class;
-	ed->ledID=		sli->id;
-	ed->ledsDefined=	sli->namesPresent|sli->mapsPresent;
-	ed->ledState=		sli->effectiveState;
-	ed->unsupported=	0;
-	ed->supported=		XkbXI_AllFeaturesMask;
-    }
-
-    if (kb_changed) {
-	XkbComputeDerivedState(kbd->key->xkbInfo);
-	XkbUpdateLedAutoState(dev,sli,sli->mapsPresent,ed,changes,cause);
-    }
-
-    if (changes!=&my_changes)	changes= NULL;
-    if (ed!=&my_ed)		ed= NULL;
-    if (changes || ed)
-	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);
-    if (kb_changed)
-	XkbUpdateAllDeviceIndicators(NULL,cause);
-    return;
-}
+/************************************************************

+Copyright (c) 1995 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 <ctype.h>

+#include <math.h>

+#include <X11/X.h>

+#include <X11/Xproto.h>

+#include "misc.h"

+#include "inputstr.h"

+

+#include <X11/extensions/XI.h>

+#include <xkbsrv.h>

+#include "xkb.h"

+

+/***====================================================================***/

+

+	/*

+	 * unsigned

+	 * XkbIndicatorsToUpdate(dev,changed,check_devs_rtrn)

+	 *

+	 * Given a keyboard and a set of state components that have changed,

+	 * this function returns the indicators on the default keyboard 

+	 * feedback that might be affected.   It also reports whether or not 

+	 * any extension devices might be affected in check_devs_rtrn.

+	 */

+

+unsigned

+XkbIndicatorsToUpdate(	DeviceIntPtr	dev,

+			unsigned long 	state_changes,

+			Bool		enable_changes)

+{

+register unsigned	update=	0;

+XkbSrvLedInfoPtr	sli;

+

+    sli= XkbFindSrvLedInfo(dev,XkbDfltXIClass,XkbDfltXIId,0);

+

+    if (!sli)

+        return update;

+

+    if (state_changes&(XkbModifierStateMask|XkbGroupStateMask))

+	update|= sli->usesEffective;

+    if (state_changes&(XkbModifierBaseMask|XkbGroupBaseMask))

+	update|= sli->usesBase;

+    if (state_changes&(XkbModifierLatchMask|XkbGroupLatchMask))

+	update|= sli->usesLatched;

+    if (state_changes&(XkbModifierLockMask|XkbGroupLockMask))

+	update|= sli->usesLocked;

+    if (state_changes&XkbCompatStateMask)

+	update|= sli->usesCompat;

+    if (enable_changes)

+	update|= sli->usesControls;

+    return update;

+}

+

+/***====================================================================***/

+

+	/*

+	 * Bool

+	 *XkbApplyLEDChangeToKeyboard(xkbi,map,on,change)

+	 *

+	 * Some indicators "drive" the keyboard when their state is explicitly 

+	 * changed, as described in section 9.2.1 of the XKB protocol spec.

+	 * This function updates the state and controls for the keyboard 

+	 * specified by 'xkbi' to reflect any changes that are required 

+	 * when the indicator described by 'map' is turned on or off.  The

+	 * extent of the changes is reported in change, which must be defined.

+	 */

+static Bool

+XkbApplyLEDChangeToKeyboard(	XkbSrvInfoPtr		xkbi,

+				XkbIndicatorMapPtr	map,

+				Bool			on,

+				XkbChangesPtr		change)

+{

+Bool		ctrlChange,stateChange;

+XkbStatePtr	state;

+

+    if ((map->flags&XkbIM_NoExplicit)||((map->flags&XkbIM_LEDDrivesKB)==0))

+	return FALSE;

+    ctrlChange= stateChange= FALSE;

+    if (map->ctrls) {

+	XkbControlsPtr	ctrls= xkbi->desc->ctrls;

+	unsigned 	old;

+

+	old= ctrls->enabled_ctrls;

+	if (on)	ctrls->enabled_ctrls|= map->ctrls;

+	else	ctrls->enabled_ctrls&= ~map->ctrls;

+	if (old!=ctrls->enabled_ctrls) {

+	    change->ctrls.changed_ctrls= XkbControlsEnabledMask;

+	    change->ctrls.enabled_ctrls_changes= old^ctrls->enabled_ctrls;

+	    ctrlChange= TRUE;

+	}

+    }

+    state= &xkbi->state;

+    if ((map->groups)&&((map->which_groups&(~XkbIM_UseBase))!=0)) {

+	register int i;

+	register unsigned bit,match;

+

+	if (on)	match= (map->groups)&XkbAllGroupsMask;

+	else 	match= (~map->groups)&XkbAllGroupsMask;

+	if (map->which_groups&(XkbIM_UseLocked|XkbIM_UseEffective)) {

+	    for (i=0,bit=1;i<XkbNumKbdGroups;i++,bit<<=1) {

+		if (bit&match)

+		    break;

+	    }

+	    if (map->which_groups&XkbIM_UseLatched)

+		XkbLatchGroup(xkbi->device,0); /* unlatch group */

+	    state->locked_group= i;

+	    stateChange= TRUE;

+	}

+	else if (map->which_groups&(XkbIM_UseLatched|XkbIM_UseEffective)) {

+	    for (i=0,bit=1;i<XkbNumKbdGroups;i++,bit<<=1) {

+		if (bit&match)

+		    break;

+	    }

+	    state->locked_group= 0;

+	    XkbLatchGroup(xkbi->device,i);

+	    stateChange= TRUE;

+	}

+    }

+    if ((map->mods.mask)&&((map->which_mods&(~XkbIM_UseBase))!=0)) {

+	if (map->which_mods&(XkbIM_UseLocked|XkbIM_UseEffective)) {

+	    register unsigned long old;

+	    old= state->locked_mods;

+	    if (on)	state->locked_mods|= map->mods.mask;

+	    else	state->locked_mods&= ~map->mods.mask;

+	    if (state->locked_mods!=old)

+		stateChange= TRUE;

+	}

+	if (map->which_mods&(XkbIM_UseLatched|XkbIM_UseEffective)) {

+	    register unsigned long newmods;

+	    newmods= state->latched_mods;

+	    if (on)	newmods|=  map->mods.mask;

+	    else	newmods&= ~map->mods.mask;

+	    if (newmods!=state->locked_mods) {

+		newmods&= map->mods.mask;

+		XkbLatchModifiers(xkbi->device,map->mods.mask,newmods);

+		stateChange= TRUE;

+	    }

+	}

+    }

+    return (stateChange || ctrlChange);

+}

+	

+	/*

+	 * Bool

+	 * ComputeAutoState(map,state,ctrls)

+	 *

+	 * This function reports the effect of applying the specified

+	 * indicator map given the specified state and controls, as

+	 * described in section 9.2 of the XKB protocol specification.

+	 */

+

+static Bool

+ComputeAutoState(	XkbIndicatorMapPtr	map,

+			XkbStatePtr 		state,

+			XkbControlsPtr 		ctrls)

+{

+Bool 			on;

+CARD8 			mods,group;

+

+    on= FALSE;

+    mods= group= 0;

+    if (map->which_mods&XkbIM_UseAnyMods) {

+	if (map->which_mods&XkbIM_UseBase)

+	    mods|= state->base_mods;

+	if (map->which_mods&XkbIM_UseLatched)

+	    mods|= state->latched_mods;

+	if (map->which_mods&XkbIM_UseLocked)

+	    mods|= state->locked_mods;

+	if (map->which_mods&XkbIM_UseEffective)

+	    mods|= state->mods;

+	if (map->which_mods&XkbIM_UseCompat)

+	    mods|= state->compat_state;

+	on = ((map->mods.mask&mods)!=0);

+	on = on||((mods==0)&&(map->mods.mask==0)&&(map->mods.vmods==0));

+    }

+    if (map->which_groups&XkbIM_UseAnyGroup) {

+	if (map->which_groups&XkbIM_UseBase)

+	    group|= (1L << state->base_group);

+	if (map->which_groups&XkbIM_UseLatched)

+	    group|= (1L << state->latched_group);

+	if (map->which_groups&XkbIM_UseLocked)

+	    group|= (1L << state->locked_group);

+	if (map->which_groups&XkbIM_UseEffective)

+	    group|= (1L << state->group);

+	on = on||(((map->groups&group)!=0)||(map->groups==0));

+    }

+    if (map->ctrls)

+	on = on||(ctrls->enabled_ctrls&map->ctrls);

+    return on;

+}

+

+

+static void

+XkbUpdateLedAutoState(	DeviceIntPtr			dev,

+			XkbSrvLedInfoPtr		sli,

+			unsigned			maps_to_check,

+			xkbExtensionDeviceNotify *	ed,

+			XkbChangesPtr			changes,

+			XkbEventCausePtr		cause)

+{

+DeviceIntPtr			kbd;

+XkbStatePtr			state;

+XkbControlsPtr			ctrls;

+XkbChangesRec			my_changes;

+xkbExtensionDeviceNotify	my_ed;

+register unsigned		i,bit,affected;

+register XkbIndicatorMapPtr	map;

+unsigned			oldState;

+

+    if ((maps_to_check==0)||(sli->maps==NULL)||(sli->mapsPresent==0))

+	return;

+

+    if (dev->key && dev->key->xkbInfo)

+	 kbd= dev;

+    else kbd= inputInfo.keyboard;

+

+    state= &kbd->key->xkbInfo->state;

+    ctrls= kbd->key->xkbInfo->desc->ctrls;

+    affected= maps_to_check;

+    oldState= sli->effectiveState;

+    sli->autoState&= ~affected;

+    for (i=0,bit=1;(i<XkbNumIndicators)&&(affected);i++,bit<<=1) {

+	if ((affected&bit)==0)

+	    continue;

+	affected&= ~bit;

+	map= &sli->maps[i];

+	if((!(map->flags&XkbIM_NoAutomatic))&&ComputeAutoState(map,state,ctrls))

+	    sli->autoState|= bit;

+    }

+    sli->effectiveState= (sli->autoState|sli->explicitState);

+    affected= sli->effectiveState^oldState;

+    if (affected==0)

+	return;

+

+    if (ed==NULL) {

+	ed= &my_ed;

+	bzero((char *)ed,sizeof(xkbExtensionDeviceNotify));

+    }

+    else if ((ed->reason&XkbXI_IndicatorsMask)&&

+	     ((ed->ledClass!=sli->class)||(ed->ledID!=sli->id))) {

+	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);

+    }

+

+    if ((kbd==dev)&&(sli->flags&XkbSLI_IsDefault)) {

+	if (changes==NULL) {

+	    changes= &my_changes;

+	    bzero((char *)changes,sizeof(XkbChangesRec));

+	}

+	changes->indicators.state_changes|= affected;

+    }

+

+    ed->reason|=	XkbXI_IndicatorStateMask;

+    ed->ledClass= 	sli->class;

+    ed->ledID=		sli->id;

+    ed->ledsDefined=	sli->namesPresent|sli->mapsPresent;

+    ed->ledState=	sli->effectiveState;

+    ed->unsupported=	0;

+    ed->supported=	XkbXI_AllFeaturesMask;

+

+    if (changes!=&my_changes)	changes= NULL;

+    if (ed!=&my_ed)		ed= NULL;

+    if (changes || ed)

+	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);

+    return;

+}

+

+static void

+XkbUpdateAllDeviceIndicators(XkbChangesPtr changes,XkbEventCausePtr cause)

+{

+DeviceIntPtr		edev;

+XkbSrvLedInfoPtr	sli;

+

+    for (edev=inputInfo.devices;edev!=NULL;edev=edev->next) {

+	if (edev->kbdfeed) {

+	    KbdFeedbackPtr	kf;

+	    for (kf=edev->kbdfeed;kf!=NULL;kf=kf->next) {

+		if ((kf->xkb_sli==NULL)||(kf->xkb_sli->maps==NULL))

+		    continue;

+		sli= kf->xkb_sli;

+		XkbUpdateLedAutoState(edev,sli,sli->mapsPresent,NULL,

+								changes,cause);

+			

+	    }

+	}

+	if (edev->leds) {

+	    LedFeedbackPtr	lf;

+	    for (lf=edev->leds;lf!=NULL;lf=lf->next) {

+		if ((lf->xkb_sli==NULL)||(lf->xkb_sli->maps==NULL))

+		    continue;

+		sli= lf->xkb_sli;

+		XkbUpdateLedAutoState(edev,sli,sli->mapsPresent,NULL,

+								changes,cause);

+			

+	    }

+	}

+    }

+    return;

+}

+

+

+/***====================================================================***/

+

+	/*

+	 * void

+	 * XkbSetIndicators(dev,affect,values,cause)

+	 *

+	 * Attempts to change the indicators specified in 'affect' to the

+	 * states specified in 'values' for the default keyboard feedback

+	 * on the keyboard specified by 'dev.'   Attempts to change indicator

+	 * state might be ignored or have no affect, depending on the XKB

+	 * indicator map for any affected indicators, as described in section

+	 * 9.2 of the XKB protocol specification.

+	 *

+	 * If 'changes' is non-NULL, this function notes any changes to the

+	 * keyboard state, controls, or indicator state that result from this

+	 * attempted change.   If 'changes' is NULL, this function generates

+	 * XKB events to report any such changes to interested clients.

+	 *

+	 * If 'cause' is non-NULL, it specifies the reason for the change, 

+	 * as reported in some XKB events.   If it is NULL, this function 

+	 * assumes that the change is the result of a core protocol 

+	 * ChangeKeyboardMapping request.

+	 */

+

+void

+XkbSetIndicators(	DeviceIntPtr		dev,

+			CARD32			affect,

+			CARD32			values,

+			XkbEventCausePtr	cause)

+{

+XkbSrvLedInfoPtr		sli;

+XkbChangesRec			changes;

+xkbExtensionDeviceNotify	ed;

+unsigned 			side_affected;

+

+    bzero((char *)&changes,sizeof(XkbChangesRec));

+    bzero((char *)&ed,sizeof(xkbExtensionDeviceNotify));

+    sli= XkbFindSrvLedInfo(dev,XkbDfltXIClass,XkbDfltXIId,0);

+    sli->explicitState&= ~affect;

+    sli->explicitState|= (affect&values);

+    XkbApplyLedStateChanges(dev,sli,affect,&ed,&changes,cause);

+

+    side_affected= 0;

+    if (changes.state_changes!=0)

+	side_affected|= XkbIndicatorsToUpdate(dev,changes.state_changes,FALSE);

+    if (changes.ctrls.enabled_ctrls_changes)

+	side_affected|= sli->usesControls;

+

+    if (side_affected) {

+	XkbUpdateLedAutoState(dev,sli,side_affected,&ed,&changes,cause);

+	affect|= side_affected;

+    }

+    if (changes.state_changes || changes.ctrls.enabled_ctrls_changes)

+	XkbUpdateAllDeviceIndicators(NULL,cause);

+

+    XkbFlushLedEvents(dev,dev,sli,&ed,&changes,cause);

+    return;

+}

+

+/***====================================================================***/

+

+/***====================================================================***/

+

+	/*

+	 * void

+	 * XkbUpdateIndicators(dev,update,check_edevs,changes,cause)

+	 *

+	 * Applies the indicator maps for any indicators specified in

+	 * 'update' from the default keyboard feedback on the device

+	 * specified by 'dev.' 

+	 *

+	 * If 'changes' is NULL, this function generates and XKB events

+	 * required to report the necessary changes, otherwise it simply

+	 * notes the indicators with changed state.

+	 *

+	 * If 'check_edevs' is TRUE, this function also checks the indicator

+	 * maps for any open extension devices that have them, and updates

+	 * the state of any extension device indicators as necessary.

+	 */

+

+void

+XkbUpdateIndicators(	DeviceIntPtr		dev,

+			register CARD32		update,

+			Bool			check_edevs,

+			XkbChangesPtr		changes,

+			XkbEventCausePtr	cause)

+{

+XkbSrvLedInfoPtr	sli;

+

+    sli= XkbFindSrvLedInfo(dev,XkbDfltXIClass,XkbDfltXIId,0);

+    XkbUpdateLedAutoState(dev,sli,update,NULL,changes,cause);

+    if (check_edevs)

+	XkbUpdateAllDeviceIndicators(changes,cause);

+    return;

+}

+

+/***====================================================================***/

+

+/***====================================================================***/

+

+	/*

+	 * void

+	 * XkbCheckIndicatorMaps(dev,sli,which)

+	 *

+	 * Updates the 'indicator accelerators' for the indicators specified

+	 * by 'which' in the feedback specified by 'sli.' The indicator 

+	 * accelerators are internal to the server and are used to simplify 

+	 * and speed up the process of figuring out which indicators might 

+	 * be affected by a particular change in keyboard state or controls.

+	 */

+

+void

+XkbCheckIndicatorMaps(DeviceIntPtr dev,XkbSrvLedInfoPtr sli,unsigned which)

+{

+register unsigned	i,bit;

+XkbIndicatorMapPtr	map;

+XkbDescPtr		xkb;

+

+    if ((sli->flags&XkbSLI_HasOwnState)==0)

+        return;

+

+    sli->usesBase&=	 ~which;

+    sli->usesLatched&=	 ~which;

+    sli->usesLocked&=	 ~which;

+    sli->usesEffective&= ~which;

+    sli->usesCompat&=	 ~which;

+    sli->usesControls&=	 ~which;

+    sli->mapsPresent&=	 ~which;

+

+    xkb= dev->key->xkbInfo->desc;

+    for (i=0,bit=1,map=sli->maps;i<XkbNumIndicators;i++,bit<<=1,map++) {

+	if (which&bit) {

+	    CARD8		what;

+

+	    if (!map || !XkbIM_InUse(map))

+		continue;

+	    sli->mapsPresent|= bit;

+

+	    what= (map->which_mods|map->which_groups);

+	    if (what&XkbIM_UseBase)

+		 sli->usesBase|= bit;

+	    if (what&XkbIM_UseLatched)

+		 sli->usesLatched|= bit;

+	    if (what&XkbIM_UseLocked)

+		 sli->usesLocked|= bit;

+	    if (what&XkbIM_UseEffective)

+		 sli->usesEffective|= bit;

+	    if (what&XkbIM_UseCompat)

+		 sli->usesCompat|= bit;

+	    if (map->ctrls)

+		 sli->usesControls|= bit;

+

+	    map->mods.mask= map->mods.real_mods;

+	    if (map->mods.vmods!=0) {

+		map->mods.mask|= XkbMaskForVMask(xkb,map->mods.vmods);

+	    }

+	}

+    }

+    sli->usedComponents= 0;

+    if (sli->usesBase)

+	sli->usedComponents|= XkbModifierBaseMask|XkbGroupBaseMask;

+    if (sli->usesLatched)

+	sli->usedComponents|= XkbModifierLatchMask|XkbGroupLatchMask;

+    if (sli->usesLocked)

+	sli->usedComponents|= XkbModifierLockMask|XkbGroupLockMask;

+    if (sli->usesEffective)

+	sli->usedComponents|= XkbModifierStateMask|XkbGroupStateMask;

+    if (sli->usesCompat)

+	sli->usedComponents|= XkbCompatStateMask;

+    return;

+}

+

+/***====================================================================***/

+

+	/*

+	 * XkbSrvLedInfoPtr

+	 * XkbAllocSrvLedInfo(dev,kf,lf,needed_parts)

+	 *

+	 * Allocates an XkbSrvLedInfoPtr for the feedback specified by either

+	 * 'kf' or 'lf' on the keyboard specified by 'dev.'

+	 *

+	 * If 'needed_parts' is non-zero, this function makes sure that any

+	 * of the parts speicified therein are allocated.

+	 */

+XkbSrvLedInfoPtr

+XkbAllocSrvLedInfo(	DeviceIntPtr		dev,

+			KbdFeedbackPtr		kf,

+			LedFeedbackPtr		lf,

+			unsigned		needed_parts)

+{

+XkbSrvLedInfoPtr	sli;

+Bool			checkAccel;

+Bool			checkNames;

+

+    sli= NULL;

+    checkAccel= checkNames= FALSE;

+    if ((kf!=NULL)&&(kf->xkb_sli==NULL)) {

+	kf->xkb_sli= sli= calloc(1, sizeof(XkbSrvLedInfoRec));

+	if (sli==NULL)

+	    return NULL; /* ALLOCATION ERROR */

+	if (dev->key && dev->key->xkbInfo)

+	     sli->flags= XkbSLI_HasOwnState;

+	else sli->flags= 0;	

+	sli->class=	KbdFeedbackClass;

+	sli->id=	kf->ctrl.id;

+	sli->fb.kf=	kf;

+

+	sli->autoState=		0;

+	sli->explicitState=	kf->ctrl.leds;

+	sli->effectiveState=	kf->ctrl.leds;

+

+	if ((kf==dev->kbdfeed) && (dev->key) && (dev->key->xkbInfo)) {

+	    XkbDescPtr	xkb;

+	    xkb= dev->key->xkbInfo->desc;

+	    sli->flags|= 		XkbSLI_IsDefault;

+	    sli->physIndicators=	xkb->indicators->phys_indicators;

+	    sli->names=			xkb->names->indicators;

+	    sli->maps=			xkb->indicators->maps;

+	    checkNames= checkAccel=	TRUE;

+	}

+	else {

+	    sli->physIndicators=	XkbAllIndicatorsMask;

+	    sli->names=			NULL;

+	    sli->maps=			NULL;

+	}

+    }

+    else if ((kf!=NULL)&&((kf->xkb_sli->flags&XkbSLI_IsDefault)!=0)) {

+	XkbDescPtr	xkb;

+	xkb= dev->key->xkbInfo->desc;

+	sli->physIndicators=	xkb->indicators->phys_indicators;

+	if (xkb->names->indicators!=sli->names) {

+	    checkNames= TRUE;

+	    sli->names= xkb->names->indicators;

+	}

+	if (xkb->indicators->maps!=sli->maps) {

+	    checkAccel= TRUE;

+	    sli->maps= xkb->indicators->maps;

+	}

+    }

+    else if ((lf!=NULL)&&(lf->xkb_sli==NULL)) {

+	lf->xkb_sli= sli= calloc(1, sizeof(XkbSrvLedInfoRec));

+	if (sli==NULL)

+	    return NULL; /* ALLOCATION ERROR */

+	if (dev->key && dev->key->xkbInfo)

+	     sli->flags= XkbSLI_HasOwnState;

+	else sli->flags= 0;	

+	sli->class=	LedFeedbackClass;

+	sli->id=	lf->ctrl.id;

+	sli->fb.lf=	lf;

+

+	sli->physIndicators=	lf->ctrl.led_mask;

+	sli->autoState=		0;

+	sli->explicitState=	lf->ctrl.led_values;

+	sli->effectiveState=	lf->ctrl.led_values;

+	sli->maps=		NULL;

+	sli->names=		NULL;

+    }

+    if ((sli->names==NULL)&&(needed_parts&XkbXI_IndicatorNamesMask))

+	sli->names= calloc(XkbNumIndicators, sizeof(Atom));

+    if ((sli->maps==NULL)&&(needed_parts&XkbXI_IndicatorMapsMask))

+	sli->maps= calloc(XkbNumIndicators, sizeof(XkbIndicatorMapRec));

+    if (checkNames) {

+	register unsigned i,bit;

+	sli->namesPresent=	0;

+	for (i=0,bit=1;i<XkbNumIndicators;i++,bit<<=1) {

+	    if (sli->names[i]!=None)

+		sli->namesPresent|= bit;

+	}

+    }

+    if (checkAccel)

+	 XkbCheckIndicatorMaps(dev,sli,XkbAllIndicatorsMask);

+    return sli;

+}

+

+void

+XkbFreeSrvLedInfo(XkbSrvLedInfoPtr sli)

+{

+    if ((sli->flags&XkbSLI_IsDefault)==0) {

+	if (sli->maps)	free(sli->maps);

+	if (sli->names)	free(sli->names);

+    }

+    sli->maps= NULL;

+    sli->names= NULL;

+    free(sli);

+    return;

+}

+

+/*

+ * XkbSrvLedInfoPtr

+ * XkbCopySrvLedInfo(dev,src,kf,lf)

+ *

+ * Takes the given XkbSrvLedInfoPtr and duplicates it. A deep copy is made,

+ * thus the new copy behaves like the original one and can be freed with

+ * XkbFreeSrvLedInfo.

+ */

+XkbSrvLedInfoPtr

+XkbCopySrvLedInfo(	DeviceIntPtr		from,

+			XkbSrvLedInfoPtr	src,

+			KbdFeedbackPtr		kf,

+			LedFeedbackPtr		lf)

+{

+    XkbSrvLedInfoPtr sli_new = NULL;

+

+    if (!src)

+	goto finish;

+

+    sli_new = calloc(1, sizeof( XkbSrvLedInfoRec));

+    if (!sli_new)

+	goto finish;

+

+    memcpy(sli_new, src, sizeof(XkbSrvLedInfoRec));

+    if (sli_new->class == KbdFeedbackClass)

+	sli_new->fb.kf = kf;

+    else

+	sli_new->fb.lf = lf;

+

+    if (!(sli_new->flags & XkbSLI_IsDefault)) {

+	sli_new->names= calloc(XkbNumIndicators, sizeof(Atom));

+	sli_new->maps= calloc(XkbNumIndicators, sizeof(XkbIndicatorMapRec));

+    } /* else sli_new->names/maps is pointing to

+	dev->key->xkbInfo->desc->names->indicators;

+	dev->key->xkbInfo->desc->names->indicators; */

+

+finish:

+    return sli_new;

+}

+

+/***====================================================================***/

+

+	/*

+	 * XkbSrvLedInfoPtr

+	 * XkbFindSrvLedInfo(dev,class,id,needed_parts)

+	 *

+	 * Finds the XkbSrvLedInfoPtr for the specified 'class' and 'id'

+	 * on the device specified by 'dev.'   If the class and id specify

+	 * a valid device feedback, this function returns the existing 

+	 * feedback or allocates a new one.

+	 *

+	 */

+

+XkbSrvLedInfoPtr

+XkbFindSrvLedInfo(	DeviceIntPtr		dev,

+			unsigned		class,

+			unsigned		id,

+			unsigned		needed_parts)

+{

+XkbSrvLedInfoPtr	sli;

+

+    /* optimization to check for most common case */

+    if (((class==XkbDfltXIClass)&&(id==XkbDfltXIId))&&(dev->kbdfeed)) {

+	XkbSrvLedInfoPtr	sli;

+	sli= dev->kbdfeed->xkb_sli;

+	if (dev->kbdfeed->xkb_sli==NULL) {

+	    sli= XkbAllocSrvLedInfo(dev,dev->kbdfeed,NULL,needed_parts);

+	    dev->kbdfeed->xkb_sli= sli;

+	}

+	return dev->kbdfeed->xkb_sli;

+    }

+

+    sli= NULL;

+    if (class==XkbDfltXIClass) {

+	if (dev->kbdfeed)	class= KbdFeedbackClass;

+	else if (dev->leds)	class= LedFeedbackClass;

+	else 			return NULL;

+    }

+    if (class==KbdFeedbackClass) {

+	KbdFeedbackPtr	kf;

+	for (kf=dev->kbdfeed;kf!=NULL;kf=kf->next) {

+	    if ((id==XkbDfltXIId)||(id==kf->ctrl.id)) {

+		if (kf->xkb_sli==NULL)

+		    kf->xkb_sli= XkbAllocSrvLedInfo(dev,kf,NULL,needed_parts);

+		sli= kf->xkb_sli;

+		break;

+	    }	

+	}

+    }

+    else if (class==LedFeedbackClass) {

+	LedFeedbackPtr	lf;

+	for (lf=dev->leds;lf!=NULL;lf=lf->next) {

+	    if ((id==XkbDfltXIId)||(id==lf->ctrl.id)) {

+		if (lf->xkb_sli==NULL)

+		    lf->xkb_sli= XkbAllocSrvLedInfo(dev,NULL,lf,needed_parts);

+		sli= lf->xkb_sli;

+		break;

+	    }	

+	}

+    }

+    if ((sli->names==NULL)&&(needed_parts&XkbXI_IndicatorNamesMask))

+	sli->names= calloc(XkbNumIndicators, sizeof(Atom));

+    if ((sli->maps==NULL)&&(needed_parts&XkbXI_IndicatorMapsMask))

+	sli->maps= calloc(XkbNumIndicators, sizeof(XkbIndicatorMapRec));

+    return sli;

+}

+

+/***====================================================================***/

+

+void

+XkbFlushLedEvents(	DeviceIntPtr			dev,

+			DeviceIntPtr			kbd,

+			XkbSrvLedInfoPtr		sli,

+			xkbExtensionDeviceNotify *	ed,

+			XkbChangesPtr			changes,

+			XkbEventCausePtr		cause)

+{

+    if (changes) {

+	if (changes->indicators.state_changes)

+	    XkbDDXUpdateDeviceIndicators(dev,sli,sli->effectiveState);

+	XkbSendNotification(kbd,changes,cause);

+	bzero((char *)changes,sizeof(XkbChangesRec));

+

+	if (XkbAX_NeedFeedback(kbd->key->xkbInfo->desc->ctrls, XkbAX_IndicatorFBMask)) {

+		if (sli->effectiveState)

+			/* it appears that the which parameter is not used */

+			XkbDDXAccessXBeep(dev, _BEEP_LED_ON, XkbAccessXFeedbackMask);

+		else

+			XkbDDXAccessXBeep(dev, _BEEP_LED_OFF, XkbAccessXFeedbackMask);

+	}

+    }

+    if (ed) {

+	if (ed->reason) {

+	    if ((dev!=kbd)&&(ed->reason&XkbXI_IndicatorStateMask))

+		XkbDDXUpdateDeviceIndicators(dev,sli,sli->effectiveState);

+	    XkbSendExtensionDeviceNotify(dev,cause->client,ed);

+	}

+	bzero((char *)ed,sizeof(XkbExtensionDeviceNotify));

+    }

+    return;

+}

+

+/***====================================================================***/

+

+void

+XkbApplyLedNameChanges(	DeviceIntPtr 			dev,

+			XkbSrvLedInfoPtr		sli,

+			unsigned			changed_names,

+			xkbExtensionDeviceNotify *	ed,

+			XkbChangesPtr			changes,

+			XkbEventCausePtr		cause)

+{

+DeviceIntPtr			kbd;

+XkbChangesRec			my_changes;

+xkbExtensionDeviceNotify	my_ed;

+

+    if (changed_names==0)

+	return;

+    if (dev->key && dev->key->xkbInfo)

+	 kbd= dev;

+    else kbd= inputInfo.keyboard;

+

+    if (ed==NULL) {

+	ed= &my_ed;

+	bzero((char *)ed,sizeof(xkbExtensionDeviceNotify));

+    }

+    else if ((ed->reason&XkbXI_IndicatorsMask)&&

+	     ((ed->ledClass!=sli->class)||(ed->ledID!=sli->id))) {

+	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);

+    }

+

+    if ((kbd==dev)&&(sli->flags&XkbSLI_IsDefault)) { 

+	if (changes==NULL) {

+	   changes= &my_changes;

+	   bzero((char *)changes,sizeof(XkbChangesRec));

+	}

+	changes->names.changed|= XkbIndicatorNamesMask;

+	changes->names.changed_indicators|= changed_names;

+    }

+

+    ed->reason|=	XkbXI_IndicatorNamesMask;

+    ed->ledClass= 	sli->class;

+    ed->ledID=		sli->id;

+    ed->ledsDefined=	sli->namesPresent|sli->mapsPresent;

+    ed->ledState=	sli->effectiveState;

+    ed->unsupported=	0;

+    ed->supported=	XkbXI_AllFeaturesMask;

+

+    if (changes!=&my_changes)	changes= NULL;

+    if (ed!=&my_ed)		ed= NULL;

+    if (changes || ed)

+	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);

+    return;

+}

+/***====================================================================***/

+

+	/*

+	 * void

+	 * XkbApplyLedMapChanges(dev,sli,changed_maps,changes,cause)

+	 *

+	 * Handles all of the secondary effects of the changes to the

+	 * feedback specified by 'sli' on the device specified by 'dev.'

+	 * 

+	 * If 'changed_maps' specifies any indicators, this function generates

+	 * XkbExtensionDeviceNotify events and possibly IndicatorMapNotify

+	 * events to report the changes, and recalculates the effective

+	 * state of each indicator with a changed map.  If any indicators

+	 * change state, the server generates XkbExtensionDeviceNotify and

+	 * XkbIndicatorStateNotify events as appropriate.

+	 *

+	 * If 'changes' is non-NULL, this function updates it to reflect

+	 * any changes to the keyboard state or controls or to the 'core'

+	 * indicator names, maps, or state.   If 'changes' is NULL, this

+	 * function generates XKB events as needed to report the changes.

+	 * If 'dev' is not a keyboard device, any changes are reported

+	 * for the core keyboard.

+	 *

+	 * The 'cause' specifies the reason for the event (key event or

+	 * request) for the change, as reported in some XKB events.

+	 */

+

+void

+XkbApplyLedMapChanges(	DeviceIntPtr 			dev,

+			XkbSrvLedInfoPtr		sli,

+			unsigned			changed_maps,

+			xkbExtensionDeviceNotify *	ed,

+			XkbChangesPtr			changes,

+			XkbEventCausePtr		cause)

+{

+DeviceIntPtr			kbd;

+XkbChangesRec			my_changes;

+xkbExtensionDeviceNotify	my_ed;

+

+    if (changed_maps==0)

+	return;

+    if (dev->key && dev->key->xkbInfo)

+	 kbd= dev;

+    else kbd= inputInfo.keyboard;

+

+    if (ed==NULL) {

+	ed= &my_ed;

+	bzero((char *)ed,sizeof(xkbExtensionDeviceNotify));

+    }

+    else if ((ed->reason&XkbXI_IndicatorsMask)&&

+	     ((ed->ledClass!=sli->class)||(ed->ledID!=sli->id))) {

+	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);

+    }

+

+    if ((kbd==dev)&&(sli->flags&XkbSLI_IsDefault)) {

+	if (changes==NULL) {

+	    changes= &my_changes;

+	    bzero((char *)changes,sizeof(XkbChangesRec));

+	}

+	changes->indicators.map_changes|= changed_maps;

+    }

+

+    XkbCheckIndicatorMaps(dev,sli,changed_maps);

+

+    ed->reason|=	XkbXI_IndicatorMapsMask;

+    ed->ledClass= 	sli->class;

+    ed->ledID=		sli->id;

+    ed->ledsDefined=	sli->namesPresent|sli->mapsPresent;

+    ed->ledState=	sli->effectiveState;

+    ed->unsupported=	0;

+    ed->supported=	XkbXI_AllFeaturesMask;

+

+    XkbUpdateLedAutoState(dev,sli,changed_maps,ed,changes,cause);

+

+    if (changes!=&my_changes)	changes= NULL;

+    if (ed!=&my_ed)		ed= NULL;

+    if (changes || ed)

+	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);

+    return;

+}

+

+/***====================================================================***/

+

+void

+XkbApplyLedStateChanges(DeviceIntPtr 			dev,

+			XkbSrvLedInfoPtr		sli,

+			unsigned			changed_leds,

+			xkbExtensionDeviceNotify *	ed,

+			XkbChangesPtr			changes,

+			XkbEventCausePtr		cause)

+{

+XkbSrvInfoPtr			xkbi;

+DeviceIntPtr			kbd;

+XkbChangesRec			my_changes;

+xkbExtensionDeviceNotify	my_ed;

+register unsigned		i,bit,affected;

+XkbIndicatorMapPtr		map;

+unsigned			oldState;

+Bool				kb_changed;

+

+    if (changed_leds==0)

+	return;

+    if (dev->key && dev->key->xkbInfo)

+	 kbd= dev;

+    else kbd= inputInfo.keyboard;

+    xkbi= kbd->key->xkbInfo;

+

+    if (changes==NULL) {

+	changes= &my_changes;

+	bzero((char *)changes,sizeof(XkbChangesRec));

+    }

+

+    kb_changed= FALSE;

+    affected= changed_leds;

+    oldState= sli->effectiveState;

+    for (i=0,bit=1;(i<XkbNumIndicators)&&(affected);i++,bit<<=1) {

+	if ((affected&bit)==0)

+	    continue;

+	affected&= ~bit;

+	map= &sli->maps[i];

+	if (map->flags&XkbIM_NoExplicit) {

+	    sli->explicitState&= ~bit;

+	    continue;

+	}

+	if (map->flags&XkbIM_LEDDrivesKB) {

+	    Bool on= ((sli->explicitState&bit)!=0);

+	    if (XkbApplyLEDChangeToKeyboard(xkbi,map,on,changes))

+		kb_changed= TRUE;

+	}

+    }

+    sli->effectiveState= (sli->autoState|sli->explicitState);

+    affected= sli->effectiveState^oldState;

+

+    if (ed==NULL) {

+	ed= &my_ed;

+	bzero((char *)ed,sizeof(xkbExtensionDeviceNotify));

+    }

+    else if (affected&&(ed->reason&XkbXI_IndicatorsMask)&&

+	     ((ed->ledClass!=sli->class)||(ed->ledID!=sli->id))) {

+	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);

+    }

+

+    if ((kbd==dev)&&(sli->flags&XkbSLI_IsDefault))

+	changes->indicators.state_changes|= affected;

+    if (affected) {

+	ed->reason|=		XkbXI_IndicatorStateMask;

+	ed->ledClass= 		sli->class;

+	ed->ledID=		sli->id;

+	ed->ledsDefined=	sli->namesPresent|sli->mapsPresent;

+	ed->ledState=		sli->effectiveState;

+	ed->unsupported=	0;

+	ed->supported=		XkbXI_AllFeaturesMask;

+    }

+

+    if (kb_changed) {

+	XkbComputeDerivedState(kbd->key->xkbInfo);

+	XkbUpdateLedAutoState(dev,sli,sli->mapsPresent,ed,changes,cause);

+    }

+

+    if (changes!=&my_changes)	changes= NULL;

+    if (ed!=&my_ed)		ed= NULL;

+    if (changes || ed)

+	XkbFlushLedEvents(dev,kbd,sli,ed,changes,cause);

+    if (kb_changed)

+	XkbUpdateAllDeviceIndicators(NULL,cause);

+    return;

+}