xserver mesa xkbcomp libxcb git update 21 jan 2011

1 files changed, 840 insertions, 839 deletions

diff --git a/xorg-server/xkb/XKBMisc.c b/xorg-server/xkb/XKBMisc.c
index f983466ea..96688be18 100644
--- a/xorg-server/xkb/XKBMisc.c
+++ b/xorg-server/xkb/XKBMisc.c
@@ -1,839 +1,840 @@
-/************************************************************

-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>

-#elif defined(HAVE_CONFIG_H)

-#include <config.h>

-#endif

-

-#include <stdio.h>

-#include <X11/X.h>

-#include <X11/Xproto.h>

-#include "misc.h"

-#include "inputstr.h"

-#include <X11/keysym.h>

-#define	XKBSRV_NEED_FILE_FUNCS

-#include <xkbsrv.h>

-

-/***====================================================================***/

-

-#define	CORE_SYM(i)	(i<map_width?core_syms[i]:NoSymbol)

-#define	XKB_OFFSET(g,l)	(((g)*groupsWidth)+(l))

-

-int

-XkbKeyTypesForCoreSymbols(	XkbDescPtr	xkb,

-				int		map_width,

-				KeySym *	core_syms,

-				unsigned int 	protected,

-    				int *		types_inout,

-				KeySym *	xkb_syms_rtrn)

-{

-register int	i;

-unsigned int	empty;

-int		nSyms[XkbNumKbdGroups];

-int		nGroups,tmp,groupsWidth;

-BOOL		replicated = FALSE;

-

-    /* Section 12.2 of the protocol describes this process in more detail */

-    /* Step 1:  find the # of symbols in the core mapping per group */

-    groupsWidth= 2;

-    for (i=0;i<XkbNumKbdGroups;i++) {

-	if ((protected&(1<<i))&&(types_inout[i]<xkb->map->num_types)) {

-	    nSyms[i]= xkb->map->types[types_inout[i]].num_levels;

-	    if (nSyms[i]>groupsWidth)

-		groupsWidth= nSyms[i];

-	}

-	else {

-	    types_inout[i]= XkbTwoLevelIndex;	/* don't really know, yet */

-	    nSyms[i]= 2;

-	}

-    }

-    if (nSyms[XkbGroup1Index]<2)

-	nSyms[XkbGroup1Index]= 2;

-    if (nSyms[XkbGroup2Index]<2)

-	nSyms[XkbGroup2Index]= 2;

-    /* Step 2:	Copy the symbols from the core ordering to XKB ordering	*/

-    /*		symbols in the core are in the order:			*/

-    /*		G1L1 G1L2 G2L1 G2L2 [G1L[3-n]] [G2L[3-n]] [G3L*] [G3L*]	*/

-    xkb_syms_rtrn[XKB_OFFSET(XkbGroup1Index,0)]= CORE_SYM(0);

-    xkb_syms_rtrn[XKB_OFFSET(XkbGroup1Index,1)]= CORE_SYM(1);

-    for (i=2;i<nSyms[XkbGroup1Index];i++) {

-	xkb_syms_rtrn[XKB_OFFSET(XkbGroup1Index,i)]= CORE_SYM(2+i);

-    }

-    xkb_syms_rtrn[XKB_OFFSET(XkbGroup2Index,0)]= CORE_SYM(2);

-    xkb_syms_rtrn[XKB_OFFSET(XkbGroup2Index,1)]= CORE_SYM(3);

-    tmp= 2+(nSyms[XkbGroup1Index]-2); /* offset to extra group2 syms */

-    for (i=2;i<nSyms[XkbGroup2Index];i++) {

-	xkb_syms_rtrn[XKB_OFFSET(XkbGroup2Index,i)]= CORE_SYM(tmp+i);

-    }

-

-    /* Special case: if only the first group is explicit, and the symbols

-     * replicate across all groups, then we have a Section 12.4 replication */

-    if ((protected & ~XkbExplicitKeyType1Mask) == 0)

-    {

-        int j, width = nSyms[XkbGroup1Index];

-

-        replicated = TRUE;

-

-        /* Check ABAB in ABABCDECDEABCDE */

-        if ((width > 0 && CORE_SYM(0) != CORE_SYM(2)) ||

-            (width > 1 && CORE_SYM(1) != CORE_SYM(3)))

-            replicated = FALSE;

-

-        /* Check CDECDE in ABABCDECDEABCDE */

-        for (i = 2; i < width && replicated; i++)

-        {

-            if (CORE_SYM(2 + i) != CORE_SYM(i + width))

-                replicated = FALSE;

-        }

-

-        /* Check ABCDE in ABABCDECDEABCDE */

-        for (j = 2; replicated &&

-                    j < XkbNumKbdGroups &&

-                    map_width >= width * (j + 1); j++)

-        {

-            for (i = 0; i < width && replicated; i++)

-            {

-                if (CORE_SYM(((i < 2) ? i : 2 + i)) != CORE_SYM(i + width * j))

-                    replicated = FALSE;

-            }

-        }

-    }

-

-    if (replicated)

-    {

-	nSyms[XkbGroup2Index]= 0;

-	nSyms[XkbGroup3Index]= 0;

-	nSyms[XkbGroup4Index]= 0;

-	nGroups= 1;

-    } else

-    {

-        tmp= nSyms[XkbGroup1Index]+nSyms[XkbGroup2Index];

-        if ((tmp>=map_width)&&

-                ((protected&(XkbExplicitKeyType3Mask|XkbExplicitKeyType4Mask))==0)) {

-            nSyms[XkbGroup3Index]= 0;

-            nSyms[XkbGroup4Index]= 0;

-            nGroups= 2;

-        } else

-        {

-            nGroups= 3;

-            for (i=0;i<nSyms[XkbGroup3Index];i++,tmp++) {

-                xkb_syms_rtrn[XKB_OFFSET(XkbGroup3Index,i)]= CORE_SYM(tmp);

-            }

-            if ((tmp<map_width)||(protected&XkbExplicitKeyType4Mask)) {

-                nGroups= 4;

-                for (i=0;i<nSyms[XkbGroup4Index];i++,tmp++) {

-                    xkb_syms_rtrn[XKB_OFFSET(XkbGroup4Index,i)]= CORE_SYM(tmp);

-                }

-            }

-            else {

-                nSyms[XkbGroup4Index]= 0;

-            }

-        }

-    }

-    /* steps 3&4: alphanumeric expansion,  assign canonical types */

-    empty= 0;

-    for (i=0;i<nGroups;i++) {

-	KeySym *syms;

-	syms= &xkb_syms_rtrn[XKB_OFFSET(i,0)];

-	if ((nSyms[i]>1)&&(syms[1]==NoSymbol)&&(syms[0]!=NoSymbol)) {

-	    KeySym upper,lower;

-	    XkbConvertCase(syms[0],&lower,&upper);

-	    if (upper!=lower) {

-		xkb_syms_rtrn[XKB_OFFSET(i,0)]= lower;

-		xkb_syms_rtrn[XKB_OFFSET(i,1)]= upper;

-		if ((protected&(1<<i))==0)

-		    types_inout[i]= XkbAlphabeticIndex;

-	    }

-	    else if ((protected&(1<<i))==0) {

-		types_inout[i]= XkbOneLevelIndex;

-	/*	nSyms[i]=	1;*/

-	    }

-	}

-	if (((protected&(1<<i))==0)&&(types_inout[i]==XkbTwoLevelIndex)) {

-	    if (XkbKSIsKeypad(syms[0])||XkbKSIsKeypad(syms[1]))

-		types_inout[i]= XkbKeypadIndex;

-	    else {

-		KeySym upper,lower;

-		XkbConvertCase(syms[0],&lower,&upper);

-		if ((syms[0]==lower)&&(syms[1]==upper))

-		    types_inout[i]= XkbAlphabeticIndex;

-	    }

-	}

-	if (syms[0]==NoSymbol) {

-	    register int n;

-	    Bool	found;

-	    for (n=1,found=FALSE;(!found)&&(n<nSyms[i]);n++) {

-		found= (syms[n]!=NoSymbol);

-	    }

-	    if (!found)

-		empty|= (1<<i);

-	}

-    }

-    /* step 5: squoosh out empty groups */

-    if (empty) {

-	for (i=nGroups-1;i>=0;i--) {

-	    if (((empty&(1<<i))==0)||(protected&(1<<i)))

-		break;

-	    nGroups--;

-	}

-    }

-    if (nGroups<1)

-	return 0;

-

-    /* step 6: replicate group 1 into group two, if necessary */

-    if ((nGroups>1)&&((empty&(XkbGroup1Mask|XkbGroup2Mask))==XkbGroup2Mask)) {

-	if ((protected&(XkbExplicitKeyType1Mask|XkbExplicitKeyType2Mask))==0) {

-	    nSyms[XkbGroup2Index]= nSyms[XkbGroup1Index];

-	    types_inout[XkbGroup2Index]= types_inout[XkbGroup1Index];

-	    memcpy((char *)&xkb_syms_rtrn[2],(char *)xkb_syms_rtrn,

-							2*sizeof(KeySym));

-	}

-	else if (types_inout[XkbGroup1Index]==types_inout[XkbGroup2Index]) {

-	    memcpy((char *)&xkb_syms_rtrn[nSyms[XkbGroup1Index]],

-	    				(char *)xkb_syms_rtrn,

-					nSyms[XkbGroup1Index]*sizeof(KeySym));

-	}

-    }

-

-    /* step 7: check for all groups identical or all width 1

-     *

-     * Special feature: if group 1 has an explicit type and all other groups

-     * have canonical types with same symbols, we assume it's info lost from

-     * the core replication.

-     */

-    if (nGroups>1) {

-	Bool sameType,allOneLevel, canonical = TRUE;

-	allOneLevel= (xkb->map->types[types_inout[0]].num_levels==1);

-	for (i=1,sameType=TRUE;(allOneLevel||sameType)&&(i<nGroups);i++) {

-	    sameType=(sameType&&(types_inout[i]==types_inout[XkbGroup1Index]));

-	    if (allOneLevel)

-		allOneLevel= (xkb->map->types[types_inout[i]].num_levels==1);

-	    if (types_inout[i] > XkbLastRequiredType)

-		canonical = FALSE;

-	}

-	if (((sameType) || canonical)&&

-	    (!(protected&(XkbExplicitKeyTypesMask&~XkbExplicitKeyType1Mask)))){

-	    register int s;

-	    Bool	identical;

-	    for (i=1,identical=TRUE;identical&&(i<nGroups);i++) {

-		KeySym *syms;

-                if (nSyms[i] != nSyms[XkbGroup1Index])

-                    identical = FALSE;

-		syms= &xkb_syms_rtrn[XKB_OFFSET(i,0)];

-		for (s=0;identical&&(s<nSyms[i]);s++) {

-		    if (syms[s]!=xkb_syms_rtrn[s])

-			identical= FALSE;

-		}

-	    }

-	    if (identical)

-		nGroups= 1;

-	}

-	if (allOneLevel && (nGroups>1)) {

-	    KeySym *syms;

-	    syms= &xkb_syms_rtrn[nSyms[XkbGroup1Index]];

-	    nSyms[XkbGroup1Index]= 1;

-	    for (i=1;i<nGroups;i++) {

-		xkb_syms_rtrn[i]= syms[0];

-		syms+= nSyms[i];

-		nSyms[i]= 1;

-	    }

-	}

-    }

-    return nGroups;

-}

-

-static XkbSymInterpretPtr

-_XkbFindMatchingInterp(	XkbDescPtr	xkb,

-			KeySym 		sym,

-			unsigned int	real_mods,

-			unsigned int	level)

-{

-register unsigned	 i;

-XkbSymInterpretPtr	 interp,rtrn;

-CARD8			 mods;

-

-    rtrn= NULL;

-    interp= xkb->compat->sym_interpret;

-    for (i=0;i<xkb->compat->num_si;i++,interp++) {

-	if ((interp->sym==NoSymbol)||(sym==interp->sym)) {

-	    int match;

-	    if ((level==0)||((interp->match&XkbSI_LevelOneOnly)==0))

-		 mods= real_mods;

-	    else mods= 0;

-	    switch (interp->match&XkbSI_OpMask) {

-		case XkbSI_NoneOf:

-		    match= ((interp->mods&mods)==0);

-		    break;

-		case XkbSI_AnyOfOrNone:

-		    match= ((mods==0)||((interp->mods&mods)!=0));

-		    break;

-		case XkbSI_AnyOf:

-		    match= ((interp->mods&mods)!=0);

-		    break;

-		case XkbSI_AllOf:

-		    match= ((interp->mods&mods)==interp->mods);

-		    break;

-		case XkbSI_Exactly:

-		    match= (interp->mods==mods);

-		    break;

-		default:

-		    match= 0;

-		    break;

-	    }

-	    if (match) {

-		if (interp->sym!=NoSymbol) {

-		    return interp;

-		}

-		else if (rtrn==NULL) {

-		    rtrn= interp;

-		}

-	    }

-	}

-    }

-    return rtrn;

-}

-

-static void

-_XkbAddKeyChange(KeyCode *pFirst,unsigned char *pNum,KeyCode newKey)

-{

-KeyCode	last;

-

-    last= (*pFirst)+(*pNum);

-    if (newKey<*pFirst) {

-	*pFirst= newKey;

-	*pNum= (last-newKey)+1;

-    }

-    else if (newKey>last) {

-	*pNum= (last-*pFirst)+1;

-    }

-    return;

-}

-

-static void

-_XkbSetActionKeyMods(XkbDescPtr xkb,XkbAction *act,unsigned mods)

-{

-unsigned	tmp;

-

-    switch (act->type) {

-	case XkbSA_SetMods: case XkbSA_LatchMods: case XkbSA_LockMods:

-	    if (act->mods.flags&XkbSA_UseModMapMods)

-		act->mods.real_mods= act->mods.mask= mods;

-	    if ((tmp= XkbModActionVMods(&act->mods))!=0) {

-		XkbVirtualModsToReal(xkb,tmp,&tmp);

-		act->mods.mask|= tmp;

-	    }

-	    break;

-	case XkbSA_ISOLock:

-	    if (act->iso.flags&XkbSA_UseModMapMods)

-		act->iso.real_mods= act->iso.mask= mods;

-	    if ((tmp= XkbModActionVMods(&act->iso))!=0) {

-		XkbVirtualModsToReal(xkb,tmp,&tmp);

-		act->iso.mask|= tmp;

-	    }

-	    break;

-    }

-    return;

-}

-

-#define	IBUF_SIZE	8

-

-Bool

-XkbApplyCompatMapToKey(XkbDescPtr xkb,KeyCode key,XkbChangesPtr changes)

-{

-KeySym *		syms;

-unsigned char 		explicit,mods;

-XkbSymInterpretPtr	*interps,ibuf[IBUF_SIZE]; 

-int			n,nSyms,found;

-unsigned		changed,tmp;

-

-    if ((!xkb)||(!xkb->map)||(!xkb->map->key_sym_map)||

-    			(!xkb->compat)||(!xkb->compat->sym_interpret)||

-			(key<xkb->min_key_code)||(key>xkb->max_key_code)) {

-	return FALSE;

-    }

-    if (((!xkb->server)||(!xkb->server->key_acts))&&

-		(XkbAllocServerMap(xkb,XkbAllServerInfoMask,0)!=Success)) {

-	return FALSE;

-    }

-    changed= 0;	/* keeps track of what has changed in _this_ call */

-    explicit= xkb->server->explicit[key];

-    if (explicit&XkbExplicitInterpretMask) /* nothing to do */

-	return TRUE;

-    mods= (xkb->map->modmap?xkb->map->modmap[key]:0);

-    nSyms= XkbKeyNumSyms(xkb,key);

-    syms= XkbKeySymsPtr(xkb,key);

-    if (nSyms>IBUF_SIZE) {

-	interps= calloc(nSyms, sizeof(XkbSymInterpretPtr));

-	if (interps==NULL) {

-	    interps= ibuf;

-	    nSyms= IBUF_SIZE;

-	}

-    }

-    else {

-	interps= ibuf;

-    }

-    found= 0;

-    for (n=0;n<nSyms;n++) {

-	unsigned level= (n%XkbKeyGroupsWidth(xkb,key));

-	interps[n]= NULL;

-	if (syms[n]!=NoSymbol) {

-	    interps[n]= _XkbFindMatchingInterp(xkb,syms[n],mods,level);

-	    if (interps[n]&&interps[n]->act.type!=XkbSA_NoAction)

-		found++;

-	    else interps[n]= NULL;

-	}

-    }

-    /* 1/28/96 (ef) -- XXX! WORKING HERE */

-    if (!found) {

-	if (xkb->server->key_acts[key]!=0) {

-	    xkb->server->key_acts[key]= 0;

-	    changed|= XkbKeyActionsMask;

-	}

-    }

-    else {

-	XkbAction *pActs;

-	unsigned int	new_vmodmask;

-	changed|= XkbKeyActionsMask;

-	pActs= XkbResizeKeyActions(xkb,key,nSyms);

-	if (!pActs) {

-            if (nSyms > IBUF_SIZE)

-                free(interps);

-	    return FALSE;

-        }

-	new_vmodmask= 0;

-	for (n=0;n<nSyms;n++) {

-	    if (interps[n]) {

-		unsigned effMods;

-

-		pActs[n]= *((XkbAction *)&interps[n]->act);

-		if ((n==0)||((interps[n]->match&XkbSI_LevelOneOnly)==0)) {

-		     effMods= mods;

-		     if (interps[n]->virtual_mod!=XkbNoModifier)

-			new_vmodmask|= (1<<interps[n]->virtual_mod);

-		}

-		else effMods= 0;

-		_XkbSetActionKeyMods(xkb,&pActs[n],effMods);

-	    }

-	    else pActs[n].type= XkbSA_NoAction;

-	}

-	if (((explicit&XkbExplicitVModMapMask)==0)&&

-				(xkb->server->vmodmap[key]!=new_vmodmask)) {

-	    changed|= XkbVirtualModMapMask;

-	    xkb->server->vmodmap[key]= new_vmodmask;

-	}

-	if (interps[0]) {

-	    if ((interps[0]->flags&XkbSI_LockingKey)&&

-				((explicit&XkbExplicitBehaviorMask)==0)) {

-		xkb->server->behaviors[key].type= XkbKB_Lock;

-		changed|= XkbKeyBehaviorsMask;

-	    }

-	    if (((explicit&XkbExplicitAutoRepeatMask)==0)&&(xkb->ctrls)) {

-		CARD8 old;

-		old= xkb->ctrls->per_key_repeat[key/8];

-		if (interps[0]->flags&XkbSI_AutoRepeat)

-		     xkb->ctrls->per_key_repeat[key/8]|= (1<<(key%8));

-		else xkb->ctrls->per_key_repeat[key/8]&= ~(1<<(key%8));

-		if (changes && (old!=xkb->ctrls->per_key_repeat[key/8]))

-		    changes->ctrls.changed_ctrls|= XkbPerKeyRepeatMask;

-	    }

-	}

-    }

-    if ((!found)||(interps[0]==NULL)) {

-	if (((explicit&XkbExplicitAutoRepeatMask)==0)&&(xkb->ctrls)) {

-	    CARD8 old;

-	    old= xkb->ctrls->per_key_repeat[key/8];

-            xkb->ctrls->per_key_repeat[key/8]|= (1<<(key%8));

-	    if (changes && (old!=xkb->ctrls->per_key_repeat[key/8]))

-		changes->ctrls.changed_ctrls|= XkbPerKeyRepeatMask;

-	}

-	if (((explicit&XkbExplicitBehaviorMask)==0)&&

-		(xkb->server->behaviors[key].type==XkbKB_Lock)) {

-		xkb->server->behaviors[key].type= XkbKB_Default;

-		changed|= XkbKeyBehaviorsMask;

-	}

-    }

-    if (changes) {

-	XkbMapChangesPtr	mc;

-	mc= &changes->map;

-	tmp= (changed&mc->changed);

-	if (tmp&XkbKeyActionsMask)

-	    _XkbAddKeyChange(&mc->first_key_act,&mc->num_key_acts,key);

-	else if (changed&XkbKeyActionsMask) {

-	    mc->changed|= XkbKeyActionsMask;

-	    mc->first_key_act= key;

-	    mc->num_key_acts= 1;

-	}

-	if (tmp&XkbKeyBehaviorsMask) {

-	    _XkbAddKeyChange(&mc->first_key_behavior,&mc->num_key_behaviors,

-	    								key);

-	}

-	else if (changed&XkbKeyBehaviorsMask) {

-	    mc->changed|= XkbKeyBehaviorsMask;

-	    mc->first_key_behavior= key;

-	    mc->num_key_behaviors= 1;

-	}

-	if (tmp&XkbVirtualModMapMask)

-	    _XkbAddKeyChange(&mc->first_vmodmap_key,&mc->num_vmodmap_keys,key);

-	else if (changed&XkbVirtualModMapMask) {

-	    mc->changed|= XkbVirtualModMapMask;

-	    mc->first_vmodmap_key= key;

-	    mc->num_vmodmap_keys= 1;

-	}

-	mc->changed|= changed;

-    }

-    if (interps!=ibuf)

-	free(interps);

-    return TRUE;

-}

-

-Status

-XkbChangeTypesOfKey(	XkbDescPtr		 xkb,

-			int		 	 key,

-			int			 nGroups,

-			unsigned	 	 groups,

-			int	* 	 	 newTypesIn,

-			XkbMapChangesPtr	 changes)

-{

-XkbKeyTypePtr	pOldType,pNewType;

-register int	i;

-int		width,nOldGroups,oldWidth,newTypes[XkbNumKbdGroups];

-

-    if ((!xkb) || (!XkbKeycodeInRange(xkb,key)) || (!xkb->map) ||

-	(!xkb->map->types)||(!newTypesIn)||((groups&XkbAllGroupsMask)==0)||

-	(nGroups>XkbNumKbdGroups)) {

-	return BadMatch;

-    }

-    if (nGroups==0) {

-	for (i=0;i<XkbNumKbdGroups;i++) {

-	    xkb->map->key_sym_map[key].kt_index[i]= XkbOneLevelIndex;

-	}

-	i= xkb->map->key_sym_map[key].group_info;

-	i= XkbSetNumGroups(i,0);

-	xkb->map->key_sym_map[key].group_info= i;

-	XkbResizeKeySyms(xkb,key,0);

-	return Success;

-    }

-

-    nOldGroups= XkbKeyNumGroups(xkb,key);

-    oldWidth= XkbKeyGroupsWidth(xkb,key);

-    for (width=i=0;i<nGroups;i++) {

-	if (groups&(1<<i))

-	     newTypes[i]=  newTypesIn[i];

-	else if (i<nOldGroups)

-	     newTypes[i]= XkbKeyKeyTypeIndex(xkb,key,i);

-	else if (nOldGroups>0)

-	     newTypes[i]= XkbKeyKeyTypeIndex(xkb,key,XkbGroup1Index);

-	else newTypes[i]= XkbTwoLevelIndex;

-	if (newTypes[i]>xkb->map->num_types)

-	    return BadMatch;

-	pNewType= &xkb->map->types[newTypes[i]];

-	if (pNewType->num_levels>width)

-	    width= pNewType->num_levels;

-    }

-    if ((xkb->ctrls)&&(nGroups>xkb->ctrls->num_groups))

-	xkb->ctrls->num_groups= nGroups;

-    if ((width!=oldWidth)||(nGroups!=nOldGroups)) {

-	KeySym		oldSyms[XkbMaxSymsPerKey],*pSyms;

-	int		nCopy;

-

-	if (nOldGroups==0) {

-	    pSyms= XkbResizeKeySyms(xkb,key,width*nGroups);

-	    if (pSyms!=NULL) {

-		i= xkb->map->key_sym_map[key].group_info;

-		i= XkbSetNumGroups(i,nGroups);

-		xkb->map->key_sym_map[key].group_info= i;

-		xkb->map->key_sym_map[key].width= width;

-		for (i=0;i<nGroups;i++) {

-		    xkb->map->key_sym_map[key].kt_index[i]= newTypes[i];

-		}

-		return Success;

-	    }

-	    return BadAlloc;

-	}

-	pSyms= XkbKeySymsPtr(xkb,key);

-	memcpy(oldSyms,pSyms,XkbKeyNumSyms(xkb,key)*sizeof(KeySym));

-	pSyms= XkbResizeKeySyms(xkb,key,width*nGroups);

-	if (pSyms==NULL)

-	    return BadAlloc;

-	memset(pSyms, 0, width*nGroups*sizeof(KeySym));

-	for (i=0;(i<nGroups)&&(i<nOldGroups);i++) {

-	    pOldType= XkbKeyKeyType(xkb,key,i);

-	    pNewType= &xkb->map->types[newTypes[i]];

-	    if (pNewType->num_levels>pOldType->num_levels)

-		 nCopy= pOldType->num_levels;

-	    else nCopy= pNewType->num_levels;

-	    memcpy(&pSyms[i*width],&oldSyms[i*oldWidth],nCopy*sizeof(KeySym));

-	}

-	if (XkbKeyHasActions(xkb,key)) {

-	    XkbAction	oldActs[XkbMaxSymsPerKey],*pActs;

-	    pActs= XkbKeyActionsPtr(xkb,key);

-	    memcpy(oldActs,pActs,XkbKeyNumSyms(xkb,key)*sizeof(XkbAction));

-	    pActs= XkbResizeKeyActions(xkb,key,width*nGroups);

-	    if (pActs==NULL)

-		return BadAlloc;

-	    memset(pActs, 0, width*nGroups*sizeof(XkbAction));

-	    for (i=0;(i<nGroups)&&(i<nOldGroups);i++) {

-		pOldType= XkbKeyKeyType(xkb,key,i);

-		pNewType= &xkb->map->types[newTypes[i]];

-		if (pNewType->num_levels>pOldType->num_levels)

-		     nCopy= pOldType->num_levels;

-		else nCopy= pNewType->num_levels;

-		memcpy(&pActs[i*width],&oldActs[i*oldWidth],

-						nCopy*sizeof(XkbAction));

-	    }

-	}

-	i= xkb->map->key_sym_map[key].group_info;

-	i= XkbSetNumGroups(i,nGroups);

-	xkb->map->key_sym_map[key].group_info= i;

-	xkb->map->key_sym_map[key].width= width;

-    }

-    width= 0;

-    for (i=0;i<nGroups;i++) {

-	xkb->map->key_sym_map[key].kt_index[i]= newTypes[i];

-	if (xkb->map->types[newTypes[i]].num_levels>width)

-	    width= xkb->map->types[newTypes[i]].num_levels;

-    }

-    xkb->map->key_sym_map[key].width= width;

-    if (changes!=NULL) {

-	if (changes->changed&XkbKeySymsMask) {

-	    _XkbAddKeyChange(&changes->first_key_sym,&changes->num_key_syms,

-	    								key);

-	}

-	else {

-	    changes->changed|= XkbKeySymsMask;

-	    changes->first_key_sym= key;

-	    changes->num_key_syms= 1;

-	}

-    }

-    return Success;

-}

-

-/***====================================================================***/

-

-Bool

-XkbVirtualModsToReal(XkbDescPtr xkb,unsigned virtual_mask,unsigned *mask_rtrn)

-{

-register int i,bit;

-register unsigned mask;

-

-    if (xkb==NULL)

-	return FALSE;

-    if (virtual_mask==0) {

-	*mask_rtrn= 0;

-	return TRUE;

-    }

-    if (xkb->server==NULL)

-	return FALSE;

-    for (i=mask=0,bit=1;i<XkbNumVirtualMods;i++,bit<<=1) {

-	if (virtual_mask&bit)

-	    mask|= xkb->server->vmods[i];

-    }

-    *mask_rtrn= mask;

-    return TRUE;

-}

-

-/***====================================================================***/

-

-static Bool

-XkbUpdateActionVirtualMods(XkbDescPtr xkb,XkbAction *act,unsigned changed)

-{

-unsigned int	tmp;

-

-    switch (act->type) {

-	case XkbSA_SetMods: case XkbSA_LatchMods: case XkbSA_LockMods:

-	    if (((tmp= XkbModActionVMods(&act->mods))&changed)!=0) {

-		XkbVirtualModsToReal(xkb,tmp,&tmp);

-		act->mods.mask= act->mods.real_mods;

-		act->mods.mask|= tmp;

-		return TRUE;

-	    }

-	    break;

-	case XkbSA_ISOLock:

-	    if ((((tmp= XkbModActionVMods(&act->iso))!=0)&changed)!=0) {

-		XkbVirtualModsToReal(xkb,tmp,&tmp);

-		act->iso.mask= act->iso.real_mods;

-		act->iso.mask|= tmp;

-		return TRUE;

-	    }

-	    break;

-    }

-    return FALSE;

-}

-

-static void

-XkbUpdateKeyTypeVirtualMods(	XkbDescPtr	xkb,

-				XkbKeyTypePtr	type,

-				unsigned int	changed,

-				XkbChangesPtr 	changes)

-{

-register unsigned int	i;

-unsigned int		mask;

-

-    XkbVirtualModsToReal(xkb,type->mods.vmods,&mask);

-    type->mods.mask= type->mods.real_mods|mask;

-    if ((type->map_count>0)&&(type->mods.vmods!=0)) {

-	XkbKTMapEntryPtr entry;

-	for (i=0,entry=type->map;i<type->map_count;i++,entry++) {

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

-		XkbVirtualModsToReal(xkb,entry->mods.vmods,&mask);

-		entry->mods.mask=entry->mods.real_mods|mask;

-		/* entry is active if vmods are bound*/

-	    	entry->active= (mask!=0);

-	    }

-	    else entry->active= 1;

-	}

-    }

-    if (changes) {

-	int	type_ndx;

-	type_ndx= type-xkb->map->types;

-	if ((type_ndx<0)||(type_ndx>xkb->map->num_types))

-	    return;

-	if (changes->map.changed&XkbKeyTypesMask) {

-	    int last;

-	    last= changes->map.first_type+changes->map.num_types-1;

-	    if (type_ndx<changes->map.first_type) {

-		changes->map.first_type= type_ndx;

-		changes->map.num_types= (last-type_ndx)+1;

-	    }

-	    else if (type_ndx>last) {

-		changes->map.num_types= (type_ndx-changes->map.first_type)+1;

-	    }

-	}

-	else {

-	    changes->map.changed|= XkbKeyTypesMask;

-	    changes->map.first_type= type_ndx;

-	    changes->map.num_types= 1;

-	}

-    }

-    return;

-}

-

-Bool

-XkbApplyVirtualModChanges(XkbDescPtr xkb,unsigned changed,XkbChangesPtr changes)

-{

-register int	i;

-unsigned int	checkState = 0;

-

-    if ((!xkb) || (!xkb->map) || (changed==0))

-	return FALSE;

-    for (i=0;i<xkb->map->num_types;i++) {

-	if (xkb->map->types[i].mods.vmods & changed)

-	XkbUpdateKeyTypeVirtualMods(xkb,&xkb->map->types[i],changed,changes);

-    }

-    if (changed&xkb->ctrls->internal.vmods) {

-	unsigned int	newMask;

-	XkbVirtualModsToReal(xkb,xkb->ctrls->internal.vmods,&newMask);

-	newMask|= xkb->ctrls->internal.real_mods;

-	if (xkb->ctrls->internal.mask!=newMask) {

-	    xkb->ctrls->internal.mask= newMask;

-	    if (changes) {

-		changes->ctrls.changed_ctrls|= XkbInternalModsMask;

-		checkState= TRUE;

-	    }

-	}

-    }

-    if (changed&xkb->ctrls->ignore_lock.vmods) {

-	unsigned int	newMask;

-	XkbVirtualModsToReal(xkb,xkb->ctrls->ignore_lock.vmods,&newMask);

-	newMask|= xkb->ctrls->ignore_lock.real_mods;

-	if (xkb->ctrls->ignore_lock.mask!=newMask) {

-	    xkb->ctrls->ignore_lock.mask= newMask;

-	    if (changes) {

-		changes->ctrls.changed_ctrls|= XkbIgnoreLockModsMask;

-		checkState= TRUE;

-	    }

-	}

-    }

-    if (xkb->indicators!=NULL) {

-	XkbIndicatorMapPtr map;

-	map= &xkb->indicators->maps[0];

-	for (i=0;i<XkbNumIndicators;i++,map++) {

-	    if (map->mods.vmods&changed) {

-		unsigned int newMask;

-		XkbVirtualModsToReal(xkb,map->mods.vmods,&newMask);

-		newMask|= map->mods.real_mods;

-		if (newMask!=map->mods.mask) {

-		    map->mods.mask= newMask;

-		    if (changes) {

-			changes->indicators.map_changes|= (1<<i);

-			checkState= TRUE;

-		    }

-		}

-	    }

-	}

-    }

-    if (xkb->compat!=NULL) {

-	XkbCompatMapPtr	compat;

-	compat= xkb->compat;

-	for (i=0;i<XkbNumKbdGroups;i++) {

-	    unsigned int newMask;

-	    XkbVirtualModsToReal(xkb,compat->groups[i].vmods,&newMask);

-	    newMask|= compat->groups[i].real_mods;

-	    if (compat->groups[i].mask!=newMask) {

-		compat->groups[i].mask= newMask;

-		if (changes) {

-		    changes->compat.changed_groups|= (1<<i);

-		    checkState= TRUE;

-		}

-	    }

-	}

-    }

-    if (xkb->map && xkb->server) {

-	int highChange = 0, lowChange = -1;

-	for (i=xkb->min_key_code;i<=xkb->max_key_code;i++) {

-	    if (XkbKeyHasActions(xkb,i)) {

-		register XkbAction *pAct;

-		register int n;

-

-		pAct= XkbKeyActionsPtr(xkb,i);

-		for (n=XkbKeyNumActions(xkb,i);n>0;n--,pAct++) {

-		    if ((pAct->type!=XkbSA_NoAction)&&

-			XkbUpdateActionVirtualMods(xkb,pAct,changed)) {

-			if (lowChange<0)

-			    lowChange= i;

-			highChange= i;

-		    }

-		}

-	    }

-	}

-	if (changes && (lowChange>0)) { /* something changed */

-	    if (changes->map.changed&XkbKeyActionsMask) {

-		int last;

-		if (changes->map.first_key_act<lowChange)

-		    lowChange= changes->map.first_key_act;

-		last= changes->map.first_key_act+changes->map.num_key_acts-1;

-		if (last>highChange)

-		    highChange= last;

-	    }

-	    changes->map.changed|= 	XkbKeyActionsMask;

-	    changes->map.first_key_act=	lowChange;

-	    changes->map.num_key_acts=	(highChange-lowChange)+1;

-	}

-    }

-    return checkState;

-}

+/************************************************************
+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>
+#elif defined(HAVE_CONFIG_H)
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "inputstr.h"
+#include <X11/keysym.h>
+#define	XKBSRV_NEED_FILE_FUNCS
+#include <xkbsrv.h>
+
+/***====================================================================***/
+
+#define	CORE_SYM(i)	(i<map_width?core_syms[i]:NoSymbol)
+#define	XKB_OFFSET(g,l)	(((g)*groupsWidth)+(l))
+
+int
+XkbKeyTypesForCoreSymbols(	XkbDescPtr	xkb,
+				int		map_width,
+				KeySym *	core_syms,
+				unsigned int 	protected,
+    				int *		types_inout,
+				KeySym *	xkb_syms_rtrn)
+{
+register int	i;
+unsigned int	empty;
+int		nSyms[XkbNumKbdGroups];
+int		nGroups,tmp,groupsWidth;
+BOOL		replicated = FALSE;
+
+    /* Section 12.2 of the protocol describes this process in more detail */
+    /* Step 1:  find the # of symbols in the core mapping per group */
+    groupsWidth= 2;
+    for (i=0;i<XkbNumKbdGroups;i++) {
+	if ((protected&(1<<i))&&(types_inout[i]<xkb->map->num_types)) {
+	    nSyms[i]= xkb->map->types[types_inout[i]].num_levels;
+	    if (nSyms[i]>groupsWidth)
+		groupsWidth= nSyms[i];
+	}
+	else {
+	    types_inout[i]= XkbTwoLevelIndex;	/* don't really know, yet */
+	    nSyms[i]= 2;
+	}
+    }
+    if (nSyms[XkbGroup1Index]<2)
+	nSyms[XkbGroup1Index]= 2;
+    if (nSyms[XkbGroup2Index]<2)
+	nSyms[XkbGroup2Index]= 2;
+    /* Step 2:	Copy the symbols from the core ordering to XKB ordering	*/
+    /*		symbols in the core are in the order:			*/
+    /*		G1L1 G1L2 G2L1 G2L2 [G1L[3-n]] [G2L[3-n]] [G3L*] [G3L*]	*/
+    xkb_syms_rtrn[XKB_OFFSET(XkbGroup1Index,0)]= CORE_SYM(0);
+    xkb_syms_rtrn[XKB_OFFSET(XkbGroup1Index,1)]= CORE_SYM(1);
+    for (i=2;i<nSyms[XkbGroup1Index];i++) {
+	xkb_syms_rtrn[XKB_OFFSET(XkbGroup1Index,i)]= CORE_SYM(2+i);
+    }
+    xkb_syms_rtrn[XKB_OFFSET(XkbGroup2Index,0)]= CORE_SYM(2);
+    xkb_syms_rtrn[XKB_OFFSET(XkbGroup2Index,1)]= CORE_SYM(3);
+    tmp= 2+(nSyms[XkbGroup1Index]-2); /* offset to extra group2 syms */
+    for (i=2;i<nSyms[XkbGroup2Index];i++) {
+	xkb_syms_rtrn[XKB_OFFSET(XkbGroup2Index,i)]= CORE_SYM(tmp+i);
+    }
+
+    /* Special case: if only the first group is explicit, and the symbols
+     * replicate across all groups, then we have a Section 12.4 replication */
+    if ((protected & ~XkbExplicitKeyType1Mask) == 0)
+    {
+        int j, width = nSyms[XkbGroup1Index];
+
+        replicated = TRUE;
+
+        /* Check ABAB in ABABCDECDEABCDE */
+        if ((width > 0 && CORE_SYM(0) != CORE_SYM(2)) ||
+            (width > 1 && CORE_SYM(1) != CORE_SYM(3)))
+            replicated = FALSE;
+
+        /* Check CDECDE in ABABCDECDEABCDE */
+        for (i = 2; i < width && replicated; i++)
+        {
+            if (CORE_SYM(2 + i) != CORE_SYM(i + width))
+                replicated = FALSE;
+        }
+
+        /* Check ABCDE in ABABCDECDEABCDE */
+        for (j = 2; replicated &&
+                    j < XkbNumKbdGroups &&
+                    map_width >= width * (j + 1); j++)
+        {
+            for (i = 0; i < width && replicated; i++)
+            {
+                if (CORE_SYM(((i < 2) ? i : 2 + i)) != CORE_SYM(i + width * j))
+                    replicated = FALSE;
+            }
+        }
+    }
+
+    if (replicated)
+    {
+	nSyms[XkbGroup2Index]= 0;
+	nSyms[XkbGroup3Index]= 0;
+	nSyms[XkbGroup4Index]= 0;
+	nGroups= 1;
+    } else
+    {
+        tmp= nSyms[XkbGroup1Index]+nSyms[XkbGroup2Index];
+        if ((tmp>=map_width)&&
+                ((protected&(XkbExplicitKeyType3Mask|XkbExplicitKeyType4Mask))==0)) {
+            nSyms[XkbGroup3Index]= 0;
+            nSyms[XkbGroup4Index]= 0;
+            nGroups= 2;
+        } else
+        {
+            nGroups= 3;
+            for (i=0;i<nSyms[XkbGroup3Index];i++,tmp++) {
+                xkb_syms_rtrn[XKB_OFFSET(XkbGroup3Index,i)]= CORE_SYM(tmp);
+            }
+            if ((tmp<map_width)||(protected&XkbExplicitKeyType4Mask)) {
+                nGroups= 4;
+                for (i=0;i<nSyms[XkbGroup4Index];i++,tmp++) {
+                    xkb_syms_rtrn[XKB_OFFSET(XkbGroup4Index,i)]= CORE_SYM(tmp);
+                }
+            }
+            else {
+                nSyms[XkbGroup4Index]= 0;
+            }
+        }
+    }
+    /* steps 3&4: alphanumeric expansion,  assign canonical types */
+    empty= 0;
+    for (i=0;i<nGroups;i++) {
+	KeySym *syms;
+	syms= &xkb_syms_rtrn[XKB_OFFSET(i,0)];
+	if ((nSyms[i]>1)&&(syms[1]==NoSymbol)&&(syms[0]!=NoSymbol)) {
+	    KeySym upper,lower;
+	    XkbConvertCase(syms[0],&lower,&upper);
+	    if (upper!=lower) {
+		xkb_syms_rtrn[XKB_OFFSET(i,0)]= lower;
+		xkb_syms_rtrn[XKB_OFFSET(i,1)]= upper;
+		if ((protected&(1<<i))==0)
+		    types_inout[i]= XkbAlphabeticIndex;
+	    }
+	    else if ((protected&(1<<i))==0) {
+		types_inout[i]= XkbOneLevelIndex;
+	/*	nSyms[i]=	1;*/
+	    }
+	}
+	if (((protected&(1<<i))==0)&&(types_inout[i]==XkbTwoLevelIndex)) {
+	    if (XkbKSIsKeypad(syms[0])||XkbKSIsKeypad(syms[1]))
+		types_inout[i]= XkbKeypadIndex;
+	    else {
+		KeySym upper,lower;
+		XkbConvertCase(syms[0],&lower,&upper);
+		if ((syms[0]==lower)&&(syms[1]==upper))
+		    types_inout[i]= XkbAlphabeticIndex;
+	    }
+	}
+	if (syms[0]==NoSymbol) {
+	    register int n;
+	    Bool	found;
+	    for (n=1,found=FALSE;(!found)&&(n<nSyms[i]);n++) {
+		found= (syms[n]!=NoSymbol);
+	    }
+	    if (!found)
+		empty|= (1<<i);
+	}
+    }
+    /* step 5: squoosh out empty groups */
+    if (empty) {
+	for (i=nGroups-1;i>=0;i--) {
+	    if (((empty&(1<<i))==0)||(protected&(1<<i)))
+		break;
+	    nGroups--;
+	}
+    }
+    if (nGroups<1)
+	return 0;
+
+    /* step 6: replicate group 1 into group two, if necessary */
+    if ((nGroups>1)&&((empty&(XkbGroup1Mask|XkbGroup2Mask))==XkbGroup2Mask)) {
+	if ((protected&(XkbExplicitKeyType1Mask|XkbExplicitKeyType2Mask))==0) {
+	    nSyms[XkbGroup2Index]= nSyms[XkbGroup1Index];
+	    types_inout[XkbGroup2Index]= types_inout[XkbGroup1Index];
+	    memcpy((char *)&xkb_syms_rtrn[2],(char *)xkb_syms_rtrn,
+							2*sizeof(KeySym));
+	}
+	else if (types_inout[XkbGroup1Index]==types_inout[XkbGroup2Index]) {
+	    memcpy((char *)&xkb_syms_rtrn[nSyms[XkbGroup1Index]],
+	    				(char *)xkb_syms_rtrn,
+					nSyms[XkbGroup1Index]*sizeof(KeySym));
+	}
+    }
+
+    /* step 7: check for all groups identical or all width 1
+     *
+     * Special feature: if group 1 has an explicit type and all other groups
+     * have canonical types with same symbols, we assume it's info lost from
+     * the core replication.
+     */
+    if (nGroups>1) {
+	Bool sameType,allOneLevel, canonical = TRUE;
+	allOneLevel= (xkb->map->types[types_inout[0]].num_levels==1);
+	for (i=1,sameType=TRUE;(allOneLevel||sameType)&&(i<nGroups);i++) {
+	    sameType=(sameType&&(types_inout[i]==types_inout[XkbGroup1Index]));
+	    if (allOneLevel)
+		allOneLevel= (xkb->map->types[types_inout[i]].num_levels==1);
+	    if (types_inout[i] > XkbLastRequiredType)
+		canonical = FALSE;
+	}
+	if (((sameType) || canonical)&&
+	    (!(protected&(XkbExplicitKeyTypesMask&~XkbExplicitKeyType1Mask)))){
+	    register int s;
+	    Bool	identical;
+	    for (i=1,identical=TRUE;identical&&(i<nGroups);i++) {
+		KeySym *syms;
+                if (nSyms[i] != nSyms[XkbGroup1Index])
+                    identical = FALSE;
+		syms= &xkb_syms_rtrn[XKB_OFFSET(i,0)];
+		for (s=0;identical&&(s<nSyms[i]);s++) {
+		    if (syms[s]!=xkb_syms_rtrn[s])
+			identical= FALSE;
+		}
+	    }
+	    if (identical)
+		nGroups= 1;
+	}
+	if (allOneLevel && (nGroups>1)) {
+	    KeySym *syms;
+	    syms= &xkb_syms_rtrn[nSyms[XkbGroup1Index]];
+	    nSyms[XkbGroup1Index]= 1;
+	    for (i=1;i<nGroups;i++) {
+		xkb_syms_rtrn[i]= syms[0];
+		syms+= nSyms[i];
+		nSyms[i]= 1;
+	    }
+	}
+    }
+    return nGroups;
+}
+
+static XkbSymInterpretPtr
+_XkbFindMatchingInterp(	XkbDescPtr	xkb,
+			KeySym 		sym,
+			unsigned int	real_mods,
+			unsigned int	level)
+{
+register unsigned	 i;
+XkbSymInterpretPtr	 interp,rtrn;
+CARD8			 mods;
+
+    rtrn= NULL;
+    interp= xkb->compat->sym_interpret;
+    for (i=0;i<xkb->compat->num_si;i++,interp++) {
+	if ((interp->sym==NoSymbol)||(sym==interp->sym)) {
+	    int match;
+	    if ((level==0)||((interp->match&XkbSI_LevelOneOnly)==0))
+		 mods= real_mods;
+	    else mods= 0;
+	    switch (interp->match&XkbSI_OpMask) {
+		case XkbSI_NoneOf:
+		    match= ((interp->mods&mods)==0);
+		    break;
+		case XkbSI_AnyOfOrNone:
+		    match= ((mods==0)||((interp->mods&mods)!=0));
+		    break;
+		case XkbSI_AnyOf:
+		    match= ((interp->mods&mods)!=0);
+		    break;
+		case XkbSI_AllOf:
+		    match= ((interp->mods&mods)==interp->mods);
+		    break;
+		case XkbSI_Exactly:
+		    match= (interp->mods==mods);
+		    break;
+		default:
+		    match= 0;
+		    break;
+	    }
+	    if (match) {
+		if (interp->sym!=NoSymbol) {
+		    return interp;
+		}
+		else if (rtrn==NULL) {
+		    rtrn= interp;
+		}
+	    }
+	}
+    }
+    return rtrn;
+}
+
+static void
+_XkbAddKeyChange(KeyCode *pFirst,unsigned char *pNum,KeyCode newKey)
+{
+KeyCode	last;
+
+    last= (*pFirst)+(*pNum);
+    if (newKey<*pFirst) {
+	*pFirst= newKey;
+	*pNum= (last-newKey)+1;
+    }
+    else if (newKey>last) {
+	*pNum= (last-*pFirst)+1;
+    }
+    return;
+}
+
+static void
+_XkbSetActionKeyMods(XkbDescPtr xkb,XkbAction *act,unsigned mods)
+{
+unsigned	tmp;
+
+    switch (act->type) {
+	case XkbSA_SetMods: case XkbSA_LatchMods: case XkbSA_LockMods:
+	    if (act->mods.flags&XkbSA_UseModMapMods)
+		act->mods.real_mods= act->mods.mask= mods;
+	    if ((tmp= XkbModActionVMods(&act->mods))!=0) {
+		XkbVirtualModsToReal(xkb,tmp,&tmp);
+		act->mods.mask|= tmp;
+	    }
+	    break;
+	case XkbSA_ISOLock:
+	    if (act->iso.flags&XkbSA_UseModMapMods)
+		act->iso.real_mods= act->iso.mask= mods;
+	    if ((tmp= XkbModActionVMods(&act->iso))!=0) {
+		XkbVirtualModsToReal(xkb,tmp,&tmp);
+		act->iso.mask|= tmp;
+	    }
+	    break;
+    }
+    return;
+}
+
+#define	IBUF_SIZE	8
+
+Bool
+XkbApplyCompatMapToKey(XkbDescPtr xkb,KeyCode key,XkbChangesPtr changes)
+{
+KeySym *		syms;
+unsigned char 		explicit,mods;
+XkbSymInterpretPtr	*interps,ibuf[IBUF_SIZE]; 
+int			n,nSyms,found;
+unsigned		changed,tmp;
+
+    if ((!xkb)||(!xkb->map)||(!xkb->map->key_sym_map)||
+    			(!xkb->compat)||(!xkb->compat->sym_interpret)||
+			(key<xkb->min_key_code)||(key>xkb->max_key_code)) {
+	return FALSE;
+    }
+    if (((!xkb->server)||(!xkb->server->key_acts))&&
+		(XkbAllocServerMap(xkb,XkbAllServerInfoMask,0)!=Success)) {
+	return FALSE;
+    }
+    changed= 0;	/* keeps track of what has changed in _this_ call */
+    explicit= xkb->server->explicit[key];
+    if (explicit&XkbExplicitInterpretMask) /* nothing to do */
+	return TRUE;
+    mods= (xkb->map->modmap?xkb->map->modmap[key]:0);
+    nSyms= XkbKeyNumSyms(xkb,key);
+    syms= XkbKeySymsPtr(xkb,key);
+    if (nSyms>IBUF_SIZE) {
+	interps= calloc(nSyms, sizeof(XkbSymInterpretPtr));
+	if (interps==NULL) {
+	    interps= ibuf;
+	    nSyms= IBUF_SIZE;
+	}
+    }
+    else {
+	interps= ibuf;
+    }
+    found= 0;
+    for (n=0;n<nSyms;n++) {
+	unsigned level= (n%XkbKeyGroupsWidth(xkb,key));
+	interps[n]= NULL;
+	if (syms[n]!=NoSymbol) {
+	    interps[n]= _XkbFindMatchingInterp(xkb,syms[n],mods,level);
+	    if (interps[n]&&interps[n]->act.type!=XkbSA_NoAction)
+		found++;
+	    else interps[n]= NULL;
+	}
+    }
+    /* 1/28/96 (ef) -- XXX! WORKING HERE */
+    if (!found) {
+	if (xkb->server->key_acts[key]!=0) {
+	    xkb->server->key_acts[key]= 0;
+	    changed|= XkbKeyActionsMask;
+	}
+    }
+    else {
+	XkbAction *pActs;
+	unsigned int	new_vmodmask;
+	changed|= XkbKeyActionsMask;
+	pActs= XkbResizeKeyActions(xkb,key,nSyms);
+	if (!pActs) {
+            if (nSyms > IBUF_SIZE)
+                free(interps);
+	    return FALSE;
+        }
+	new_vmodmask= 0;
+	for (n=0;n<nSyms;n++) {
+	    if (interps[n]) {
+		unsigned effMods;
+
+		pActs[n]= *((XkbAction *)&interps[n]->act);
+		if ((n==0)||((interps[n]->match&XkbSI_LevelOneOnly)==0)) {
+		     effMods= mods;
+		     if (interps[n]->virtual_mod!=XkbNoModifier)
+			new_vmodmask|= (1<<interps[n]->virtual_mod);
+		}
+		else effMods= 0;
+		_XkbSetActionKeyMods(xkb,&pActs[n],effMods);
+	    }
+	    else pActs[n].type= XkbSA_NoAction;
+	}
+	if (((explicit&XkbExplicitVModMapMask)==0)&&
+				(xkb->server->vmodmap[key]!=new_vmodmask)) {
+	    changed|= XkbVirtualModMapMask;
+	    xkb->server->vmodmap[key]= new_vmodmask;
+	}
+	if (interps[0]) {
+	    if ((interps[0]->flags&XkbSI_LockingKey)&&
+				((explicit&XkbExplicitBehaviorMask)==0)) {
+		xkb->server->behaviors[key].type= XkbKB_Lock;
+		changed|= XkbKeyBehaviorsMask;
+	    }
+	    if (((explicit&XkbExplicitAutoRepeatMask)==0)&&(xkb->ctrls)) {
+		CARD8 old;
+		old= BitIsOn(xkb->ctrls->per_key_repeat, key);
+		if (interps[0]->flags&XkbSI_AutoRepeat)
+		    SetBit(xkb->ctrls->per_key_repeat, key);
+		else
+		    ClearBit(xkb->ctrls->per_key_repeat, key);
+		if (changes && old != BitIsOn(xkb->ctrls->per_key_repeat, key))
+		    changes->ctrls.changed_ctrls|= XkbPerKeyRepeatMask;
+	    }
+	}
+    }
+    if ((!found)||(interps[0]==NULL)) {
+	if (((explicit&XkbExplicitAutoRepeatMask)==0)&&(xkb->ctrls)) {
+	    CARD8 old;
+	    old = BitIsOn(xkb->ctrls->per_key_repeat, key);
+	    SetBit(xkb->ctrls->per_key_repeat, key);
+	    if (changes && (old != BitIsOn(xkb->ctrls->per_key_repeat, key)))
+		changes->ctrls.changed_ctrls|= XkbPerKeyRepeatMask;
+	}
+	if (((explicit&XkbExplicitBehaviorMask)==0)&&
+		(xkb->server->behaviors[key].type==XkbKB_Lock)) {
+		xkb->server->behaviors[key].type= XkbKB_Default;
+		changed|= XkbKeyBehaviorsMask;
+	}
+    }
+    if (changes) {
+	XkbMapChangesPtr	mc;
+	mc= &changes->map;
+	tmp= (changed&mc->changed);
+	if (tmp&XkbKeyActionsMask)
+	    _XkbAddKeyChange(&mc->first_key_act,&mc->num_key_acts,key);
+	else if (changed&XkbKeyActionsMask) {
+	    mc->changed|= XkbKeyActionsMask;
+	    mc->first_key_act= key;
+	    mc->num_key_acts= 1;
+	}
+	if (tmp&XkbKeyBehaviorsMask) {
+	    _XkbAddKeyChange(&mc->first_key_behavior,&mc->num_key_behaviors,
+	    								key);
+	}
+	else if (changed&XkbKeyBehaviorsMask) {
+	    mc->changed|= XkbKeyBehaviorsMask;
+	    mc->first_key_behavior= key;
+	    mc->num_key_behaviors= 1;
+	}
+	if (tmp&XkbVirtualModMapMask)
+	    _XkbAddKeyChange(&mc->first_vmodmap_key,&mc->num_vmodmap_keys,key);
+	else if (changed&XkbVirtualModMapMask) {
+	    mc->changed|= XkbVirtualModMapMask;
+	    mc->first_vmodmap_key= key;
+	    mc->num_vmodmap_keys= 1;
+	}
+	mc->changed|= changed;
+    }
+    if (interps!=ibuf)
+	free(interps);
+    return TRUE;
+}
+
+Status
+XkbChangeTypesOfKey(	XkbDescPtr		 xkb,
+			int		 	 key,
+			int			 nGroups,
+			unsigned	 	 groups,
+			int	* 	 	 newTypesIn,
+			XkbMapChangesPtr	 changes)
+{
+XkbKeyTypePtr	pOldType,pNewType;
+register int	i;
+int		width,nOldGroups,oldWidth,newTypes[XkbNumKbdGroups];
+
+    if ((!xkb) || (!XkbKeycodeInRange(xkb,key)) || (!xkb->map) ||
+	(!xkb->map->types)||(!newTypesIn)||((groups&XkbAllGroupsMask)==0)||
+	(nGroups>XkbNumKbdGroups)) {
+	return BadMatch;
+    }
+    if (nGroups==0) {
+	for (i=0;i<XkbNumKbdGroups;i++) {
+	    xkb->map->key_sym_map[key].kt_index[i]= XkbOneLevelIndex;
+	}
+	i= xkb->map->key_sym_map[key].group_info;
+	i= XkbSetNumGroups(i,0);
+	xkb->map->key_sym_map[key].group_info= i;
+	XkbResizeKeySyms(xkb,key,0);
+	return Success;
+    }
+
+    nOldGroups= XkbKeyNumGroups(xkb,key);
+    oldWidth= XkbKeyGroupsWidth(xkb,key);
+    for (width=i=0;i<nGroups;i++) {
+	if (groups&(1<<i))
+	     newTypes[i]=  newTypesIn[i];
+	else if (i<nOldGroups)
+	     newTypes[i]= XkbKeyKeyTypeIndex(xkb,key,i);
+	else if (nOldGroups>0)
+	     newTypes[i]= XkbKeyKeyTypeIndex(xkb,key,XkbGroup1Index);
+	else newTypes[i]= XkbTwoLevelIndex;
+	if (newTypes[i]>xkb->map->num_types)
+	    return BadMatch;
+	pNewType= &xkb->map->types[newTypes[i]];
+	if (pNewType->num_levels>width)
+	    width= pNewType->num_levels;
+    }
+    if ((xkb->ctrls)&&(nGroups>xkb->ctrls->num_groups))
+	xkb->ctrls->num_groups= nGroups;
+    if ((width!=oldWidth)||(nGroups!=nOldGroups)) {
+	KeySym		oldSyms[XkbMaxSymsPerKey],*pSyms;
+	int		nCopy;
+
+	if (nOldGroups==0) {
+	    pSyms= XkbResizeKeySyms(xkb,key,width*nGroups);
+	    if (pSyms!=NULL) {
+		i= xkb->map->key_sym_map[key].group_info;
+		i= XkbSetNumGroups(i,nGroups);
+		xkb->map->key_sym_map[key].group_info= i;
+		xkb->map->key_sym_map[key].width= width;
+		for (i=0;i<nGroups;i++) {
+		    xkb->map->key_sym_map[key].kt_index[i]= newTypes[i];
+		}
+		return Success;
+	    }
+	    return BadAlloc;
+	}
+	pSyms= XkbKeySymsPtr(xkb,key);
+	memcpy(oldSyms,pSyms,XkbKeyNumSyms(xkb,key)*sizeof(KeySym));
+	pSyms= XkbResizeKeySyms(xkb,key,width*nGroups);
+	if (pSyms==NULL)
+	    return BadAlloc;
+	memset(pSyms, 0, width*nGroups*sizeof(KeySym));
+	for (i=0;(i<nGroups)&&(i<nOldGroups);i++) {
+	    pOldType= XkbKeyKeyType(xkb,key,i);
+	    pNewType= &xkb->map->types[newTypes[i]];
+	    if (pNewType->num_levels>pOldType->num_levels)
+		 nCopy= pOldType->num_levels;
+	    else nCopy= pNewType->num_levels;
+	    memcpy(&pSyms[i*width],&oldSyms[i*oldWidth],nCopy*sizeof(KeySym));
+	}
+	if (XkbKeyHasActions(xkb,key)) {
+	    XkbAction	oldActs[XkbMaxSymsPerKey],*pActs;
+	    pActs= XkbKeyActionsPtr(xkb,key);
+	    memcpy(oldActs,pActs,XkbKeyNumSyms(xkb,key)*sizeof(XkbAction));
+	    pActs= XkbResizeKeyActions(xkb,key,width*nGroups);
+	    if (pActs==NULL)
+		return BadAlloc;
+	    memset(pActs, 0, width*nGroups*sizeof(XkbAction));
+	    for (i=0;(i<nGroups)&&(i<nOldGroups);i++) {
+		pOldType= XkbKeyKeyType(xkb,key,i);
+		pNewType= &xkb->map->types[newTypes[i]];
+		if (pNewType->num_levels>pOldType->num_levels)
+		     nCopy= pOldType->num_levels;
+		else nCopy= pNewType->num_levels;
+		memcpy(&pActs[i*width],&oldActs[i*oldWidth],
+						nCopy*sizeof(XkbAction));
+	    }
+	}
+	i= xkb->map->key_sym_map[key].group_info;
+	i= XkbSetNumGroups(i,nGroups);
+	xkb->map->key_sym_map[key].group_info= i;
+	xkb->map->key_sym_map[key].width= width;
+    }
+    width= 0;
+    for (i=0;i<nGroups;i++) {
+	xkb->map->key_sym_map[key].kt_index[i]= newTypes[i];
+	if (xkb->map->types[newTypes[i]].num_levels>width)
+	    width= xkb->map->types[newTypes[i]].num_levels;
+    }
+    xkb->map->key_sym_map[key].width= width;
+    if (changes!=NULL) {
+	if (changes->changed&XkbKeySymsMask) {
+	    _XkbAddKeyChange(&changes->first_key_sym,&changes->num_key_syms,
+	    								key);
+	}
+	else {
+	    changes->changed|= XkbKeySymsMask;
+	    changes->first_key_sym= key;
+	    changes->num_key_syms= 1;
+	}
+    }
+    return Success;
+}
+
+/***====================================================================***/
+
+Bool
+XkbVirtualModsToReal(XkbDescPtr xkb,unsigned virtual_mask,unsigned *mask_rtrn)
+{
+register int i,bit;
+register unsigned mask;
+
+    if (xkb==NULL)
+	return FALSE;
+    if (virtual_mask==0) {
+	*mask_rtrn= 0;
+	return TRUE;
+    }
+    if (xkb->server==NULL)
+	return FALSE;
+    for (i=mask=0,bit=1;i<XkbNumVirtualMods;i++,bit<<=1) {
+	if (virtual_mask&bit)
+	    mask|= xkb->server->vmods[i];
+    }
+    *mask_rtrn= mask;
+    return TRUE;
+}
+
+/***====================================================================***/
+
+static Bool
+XkbUpdateActionVirtualMods(XkbDescPtr xkb,XkbAction *act,unsigned changed)
+{
+unsigned int	tmp;
+
+    switch (act->type) {
+	case XkbSA_SetMods: case XkbSA_LatchMods: case XkbSA_LockMods:
+	    if (((tmp= XkbModActionVMods(&act->mods))&changed)!=0) {
+		XkbVirtualModsToReal(xkb,tmp,&tmp);
+		act->mods.mask= act->mods.real_mods;
+		act->mods.mask|= tmp;
+		return TRUE;
+	    }
+	    break;
+	case XkbSA_ISOLock:
+	    if ((((tmp= XkbModActionVMods(&act->iso))!=0)&changed)!=0) {
+		XkbVirtualModsToReal(xkb,tmp,&tmp);
+		act->iso.mask= act->iso.real_mods;
+		act->iso.mask|= tmp;
+		return TRUE;
+	    }
+	    break;
+    }
+    return FALSE;
+}
+
+static void
+XkbUpdateKeyTypeVirtualMods(	XkbDescPtr	xkb,
+				XkbKeyTypePtr	type,
+				unsigned int	changed,
+				XkbChangesPtr 	changes)
+{
+register unsigned int	i;
+unsigned int		mask;
+
+    XkbVirtualModsToReal(xkb,type->mods.vmods,&mask);
+    type->mods.mask= type->mods.real_mods|mask;
+    if ((type->map_count>0)&&(type->mods.vmods!=0)) {
+	XkbKTMapEntryPtr entry;
+	for (i=0,entry=type->map;i<type->map_count;i++,entry++) {
+	    if (entry->mods.vmods!=0) {
+		XkbVirtualModsToReal(xkb,entry->mods.vmods,&mask);
+		entry->mods.mask=entry->mods.real_mods|mask;
+		/* entry is active if vmods are bound*/
+	    	entry->active= (mask!=0);
+	    }
+	    else entry->active= 1;
+	}
+    }
+    if (changes) {
+	int	type_ndx;
+	type_ndx= type-xkb->map->types;
+	if ((type_ndx<0)||(type_ndx>xkb->map->num_types))
+	    return;
+	if (changes->map.changed&XkbKeyTypesMask) {
+	    int last;
+	    last= changes->map.first_type+changes->map.num_types-1;
+	    if (type_ndx<changes->map.first_type) {
+		changes->map.first_type= type_ndx;
+		changes->map.num_types= (last-type_ndx)+1;
+	    }
+	    else if (type_ndx>last) {
+		changes->map.num_types= (type_ndx-changes->map.first_type)+1;
+	    }
+	}
+	else {
+	    changes->map.changed|= XkbKeyTypesMask;
+	    changes->map.first_type= type_ndx;
+	    changes->map.num_types= 1;
+	}
+    }
+    return;
+}
+
+Bool
+XkbApplyVirtualModChanges(XkbDescPtr xkb,unsigned changed,XkbChangesPtr changes)
+{
+register int	i;
+unsigned int	checkState = 0;
+
+    if ((!xkb) || (!xkb->map) || (changed==0))
+	return FALSE;
+    for (i=0;i<xkb->map->num_types;i++) {
+	if (xkb->map->types[i].mods.vmods & changed)
+	XkbUpdateKeyTypeVirtualMods(xkb,&xkb->map->types[i],changed,changes);
+    }
+    if (changed&xkb->ctrls->internal.vmods) {
+	unsigned int	newMask;
+	XkbVirtualModsToReal(xkb,xkb->ctrls->internal.vmods,&newMask);
+	newMask|= xkb->ctrls->internal.real_mods;
+	if (xkb->ctrls->internal.mask!=newMask) {
+	    xkb->ctrls->internal.mask= newMask;
+	    if (changes) {
+		changes->ctrls.changed_ctrls|= XkbInternalModsMask;
+		checkState= TRUE;
+	    }
+	}
+    }
+    if (changed&xkb->ctrls->ignore_lock.vmods) {
+	unsigned int	newMask;
+	XkbVirtualModsToReal(xkb,xkb->ctrls->ignore_lock.vmods,&newMask);
+	newMask|= xkb->ctrls->ignore_lock.real_mods;
+	if (xkb->ctrls->ignore_lock.mask!=newMask) {
+	    xkb->ctrls->ignore_lock.mask= newMask;
+	    if (changes) {
+		changes->ctrls.changed_ctrls|= XkbIgnoreLockModsMask;
+		checkState= TRUE;
+	    }
+	}
+    }
+    if (xkb->indicators!=NULL) {
+	XkbIndicatorMapPtr map;
+	map= &xkb->indicators->maps[0];
+	for (i=0;i<XkbNumIndicators;i++,map++) {
+	    if (map->mods.vmods&changed) {
+		unsigned int newMask;
+		XkbVirtualModsToReal(xkb,map->mods.vmods,&newMask);
+		newMask|= map->mods.real_mods;
+		if (newMask!=map->mods.mask) {
+		    map->mods.mask= newMask;
+		    if (changes) {
+			changes->indicators.map_changes|= (1<<i);
+			checkState= TRUE;
+		    }
+		}
+	    }
+	}
+    }
+    if (xkb->compat!=NULL) {
+	XkbCompatMapPtr	compat;
+	compat= xkb->compat;
+	for (i=0;i<XkbNumKbdGroups;i++) {
+	    unsigned int newMask;
+	    XkbVirtualModsToReal(xkb,compat->groups[i].vmods,&newMask);
+	    newMask|= compat->groups[i].real_mods;
+	    if (compat->groups[i].mask!=newMask) {
+		compat->groups[i].mask= newMask;
+		if (changes) {
+		    changes->compat.changed_groups|= (1<<i);
+		    checkState= TRUE;
+		}
+	    }
+	}
+    }
+    if (xkb->map && xkb->server) {
+	int highChange = 0, lowChange = -1;
+	for (i=xkb->min_key_code;i<=xkb->max_key_code;i++) {
+	    if (XkbKeyHasActions(xkb,i)) {
+		register XkbAction *pAct;
+		register int n;
+
+		pAct= XkbKeyActionsPtr(xkb,i);
+		for (n=XkbKeyNumActions(xkb,i);n>0;n--,pAct++) {
+		    if ((pAct->type!=XkbSA_NoAction)&&
+			XkbUpdateActionVirtualMods(xkb,pAct,changed)) {
+			if (lowChange<0)
+			    lowChange= i;
+			highChange= i;
+		    }
+		}
+	    }
+	}
+	if (changes && (lowChange>0)) { /* something changed */
+	    if (changes->map.changed&XkbKeyActionsMask) {
+		int last;
+		if (changes->map.first_key_act<lowChange)
+		    lowChange= changes->map.first_key_act;
+		last= changes->map.first_key_act+changes->map.num_key_acts-1;
+		if (last>highChange)
+		    highChange= last;
+	    }
+	    changes->map.changed|= 	XkbKeyActionsMask;
+	    changes->map.first_key_act=	lowChange;
+	    changes->map.num_key_acts=	(highChange-lowChange)+1;
+	}
+    }
+    return checkState;
+}