xserver git update 15/5/2010

1 files changed, 839 insertions, 839 deletions

diff --git a/xorg-server/xkb/XKBMisc.c b/xorg-server/xkb/XKBMisc.c
index 2bb4a2452..758638f4b 100644
--- a/xorg-server/xkb/XKBMisc.c
+++ b/xorg-server/xkb/XKBMisc.c
@@ -1,839 +1,839 @@
-/************************************************************
-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= xcalloc(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)
-                xfree(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)
-	xfree(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;
-	bzero(pSyms,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;
-	    bzero(pActs,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= 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;

+	bzero(pSyms,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;

+	    bzero(pActs,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;

+}