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/************************************************************
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.

********************************************************/

#define NEED_MAP_READERS
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "Xlibint.h"
#include <X11/extensions/XKBproto.h>
#include "XKBlibint.h"

Status
XkbGetIndicatorState(Display *dpy,unsigned deviceSpec,unsigned *pStateRtrn)
{
    register xkbGetIndicatorStateReq *req;
    xkbGetIndicatorStateReply	rep;
    XkbInfoPtr xkbi;
    Bool ok;

    if ((dpy->flags & XlibDisplayNoXkb) ||
	(!dpy->xkb_info && !XkbUseExtension(dpy,NULL,NULL)))
	return BadAccess;
    LockDisplay(dpy);
    xkbi = dpy->xkb_info;
    GetReq(kbGetIndicatorState, req);
    req->reqType = xkbi->codes->major_opcode;
    req->xkbReqType = X_kbGetIndicatorState;
    req->deviceSpec = deviceSpec;
    ok=_XReply(dpy, (xReply *)&rep, 0, xFalse);
    if (ok && (pStateRtrn!=NULL))
	*pStateRtrn= rep.state;
    UnlockDisplay(dpy);
    SyncHandle();
    return (ok?Success:BadImplementation);
}

Status
_XkbReadGetIndicatorMapReply(	Display *			dpy,
				xkbGetIndicatorMapReply *	rep,
				XkbDescPtr			xkb,
				int	*			nread_rtrn)
{
XkbIndicatorPtr		leds;
XkbReadBufferRec	buf;

    if ((!xkb->indicators)&&(XkbAllocIndicatorMaps(xkb)!=Success))
	return BadAlloc;
    leds= xkb->indicators;

    leds->phys_indicators = rep->realIndicators;
    if (rep->length>0) {
	register int left;
	if (!_XkbInitReadBuffer(dpy,&buf,(int)rep->length*4))
	    return BadAlloc;
	if (nread_rtrn)
	    *nread_rtrn= (int)rep->length*4;
	if (rep->which) {
	    register int i,bit;
	    left= (int)rep->which;
	    for (i=0,bit=1;(i<XkbNumIndicators)&&(left);i++,bit<<=1) {
		if (left&bit) {
		    xkbIndicatorMapWireDesc *wire;
		    wire= (xkbIndicatorMapWireDesc *)
			  _XkbGetReadBufferPtr(&buf,
					SIZEOF(xkbIndicatorMapWireDesc));
		    if (wire==NULL) {
			_XkbFreeReadBuffer(&buf);
			return BadAlloc;
		    }
		    leds->maps[i].flags= wire->flags;
		    leds->maps[i].which_groups= wire->whichGroups;
		    leds->maps[i].groups= wire->groups;
		    leds->maps[i].which_mods= wire->whichMods;
		    leds->maps[i].mods.mask= wire->mods;
		    leds->maps[i].mods.real_mods= wire->realMods;
		    leds->maps[i].mods.vmods= wire->virtualMods;
		    leds->maps[i].ctrls= wire->ctrls;
		    left&= ~bit;
		}
	    }
	}
	left= _XkbFreeReadBuffer(&buf);
    }
    return Success;
}

Bool
XkbGetIndicatorMap(Display *dpy,unsigned long which,XkbDescPtr xkb)
{
    register xkbGetIndicatorMapReq *	req;
    xkbGetIndicatorMapReply 		rep;
    XkbInfoPtr 				xkbi;
    Status				status;

    if ((dpy->flags & XlibDisplayNoXkb) ||
	(!dpy->xkb_info && !XkbUseExtension(dpy,NULL,NULL)))
	return BadAccess;
    if ((!which)||(!xkb))
	return BadValue;

    LockDisplay(dpy);
    xkbi = dpy->xkb_info;
    if (!xkb->indicators) {
	xkb->indicators = _XkbTypedCalloc(1,XkbIndicatorRec);
	if (!xkb->indicators) {
	    UnlockDisplay(dpy);
	    SyncHandle();
	    return BadAlloc;
	}
    }
    GetReq(kbGetIndicatorMap, req);
    req->reqType = xkbi->codes->major_opcode;
    req->xkbReqType = X_kbGetIndicatorMap;
    req->deviceSpec = xkb->device_spec;
    req->which = (CARD32)which;
    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
	UnlockDisplay(dpy);
	SyncHandle();
	return BadValue;
    }
    status= _XkbReadGetIndicatorMapReply(dpy,&rep,xkb,NULL);
    UnlockDisplay(dpy);
    SyncHandle();
    return status;
}

Bool
XkbSetIndicatorMap(Display *dpy,unsigned long which,XkbDescPtr xkb)
{
    register xkbSetIndicatorMapReq	*req;
    register int i,bit;
    int nMaps;
    xkbIndicatorMapWireDesc *wire;
    XkbInfoPtr xkbi;

    if ((dpy->flags & XlibDisplayNoXkb) ||
	(!dpy->xkb_info && !XkbUseExtension(dpy,NULL,NULL)))
	return False;
    if ((!xkb)||(!which)||(!xkb->indicators))
	return False;
    LockDisplay(dpy);
    xkbi = dpy->xkb_info;
    GetReq(kbSetIndicatorMap, req);
    req->reqType = xkbi->codes->major_opcode;
    req->xkbReqType = X_kbSetIndicatorMap;
    req->deviceSpec = xkb->device_spec;
    req->which = (CARD32)which;
    for (i=nMaps=0,bit=1;i<32;i++,bit<<=1) {
	if (which&bit)
	    nMaps++;
    }
    req->length+= (nMaps*sizeof(XkbIndicatorMapRec))/4;
    BufAlloc(xkbIndicatorMapWireDesc *,wire,
				       (nMaps*SIZEOF(xkbIndicatorMapWireDesc)));
    for (i=0,bit=1;i<32;i++,bit<<=1) {
	if (which&bit) {
	    wire->flags= xkb->indicators->maps[i].flags;
	    wire->whichGroups= xkb->indicators->maps[i].which_groups;
	    wire->groups= xkb->indicators->maps[i].groups;
	    wire->whichMods= xkb->indicators->maps[i].which_mods;
	    wire->mods= xkb->indicators->maps[i].mods.real_mods;
	    wire->virtualMods= xkb->indicators->maps[i].mods.vmods;
	    wire->ctrls= xkb->indicators->maps[i].ctrls;
	    wire++;
	}
    }
    UnlockDisplay(dpy);
    SyncHandle();
    return True;
}

Bool
XkbGetNamedDeviceIndicator(	Display *		dpy,
				unsigned		device,
				unsigned		class,
				unsigned		id,
				Atom			name,
				int	*		pNdxRtrn,
    				Bool *			pStateRtrn,
				XkbIndicatorMapPtr	pMapRtrn,
				Bool *			pRealRtrn)
{
    register xkbGetNamedIndicatorReq *req;
    xkbGetNamedIndicatorReply	rep;
    XkbInfoPtr xkbi;

    if ((dpy->flags & XlibDisplayNoXkb) || (name==None) ||
	(!dpy->xkb_info && !XkbUseExtension(dpy,NULL,NULL)))
	return False;
    LockDisplay(dpy);
    xkbi = dpy->xkb_info;
    GetReq(kbGetNamedIndicator, req);
    req->reqType = xkbi->codes->major_opcode;
    req->xkbReqType = X_kbGetNamedIndicator;
    req->deviceSpec = device;
    req->ledClass = class;
    req->ledID = id;
    req->indicator = (CARD32)name;
    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
	UnlockDisplay(dpy);
	SyncHandle();
	return False;
    }
    UnlockDisplay(dpy);
    SyncHandle();
    if ((!rep.found)||(!rep.supported))
	return False;
    if (pNdxRtrn!=NULL)
	*pNdxRtrn= rep.ndx;
    if (pStateRtrn!=NULL)
	*pStateRtrn= rep.on;
    if (pMapRtrn!=NULL) {
	pMapRtrn->flags= rep.flags;
	pMapRtrn->which_groups= rep.whichGroups;
	pMapRtrn->groups= rep.groups;
	pMapRtrn->which_mods= rep.whichMods;
	pMapRtrn->mods.mask= rep.mods;
	pMapRtrn->mods.real_mods= rep.realMods;
	pMapRtrn->mods.vmods= rep.virtualMods;
	pMapRtrn->ctrls= rep.ctrls;
    }
    if (pRealRtrn!=NULL)
	*pRealRtrn= rep.realIndicator;
    return True;
}

Bool
XkbGetNamedIndicator(	Display *		dpy,
			Atom			name,
			int	*		pNdxRtrn,
    			Bool *			pStateRtrn,
			XkbIndicatorMapPtr	pMapRtrn,
			Bool *			pRealRtrn)
{
    return XkbGetNamedDeviceIndicator(dpy,XkbUseCoreKbd,
					  XkbDfltXIClass,XkbDfltXIId,
					  name,pNdxRtrn,pStateRtrn,
					  pMapRtrn,pRealRtrn);
}

Bool
XkbSetNamedDeviceIndicator(	Display *		dpy,
				unsigned		device,
				unsigned		class,
				unsigned		id,
				Atom			name,
				Bool			changeState,
				Bool			state,
				Bool			createNewMap,
				XkbIndicatorMapPtr	pMap)
{
    register xkbSetNamedIndicatorReq	*req;
    XkbInfoPtr xkbi;

    if ((dpy->flags & XlibDisplayNoXkb) || (name==None) ||
 	(!dpy->xkb_info && !XkbUseExtension(dpy,NULL,NULL)))
	return False;
    LockDisplay(dpy);
    xkbi = dpy->xkb_info;
    GetReq(kbSetNamedIndicator, req);
    req->reqType = xkbi->codes->major_opcode;
    req->xkbReqType = X_kbSetNamedIndicator;
    req->deviceSpec = device;
    req->ledClass = class;
    req->ledID = id;
    req->indicator= (CARD32)name;
    req->setState= changeState;
    if (req->setState)
	 req->on= state;
    else req->on= False;
    if (pMap!=NULL) {
	req->setMap= True;
	req->createMap= createNewMap;
	req->flags= pMap->flags;
	req->whichGroups= pMap->which_groups;
	req->groups= pMap->groups;
	req->whichMods= pMap->which_mods;
	req->realMods= pMap->mods.real_mods;
	req->virtualMods= pMap->mods.vmods;
	req->ctrls= pMap->ctrls;
    }
    else {
	req->setMap= 		False;
	req->createMap= 	False;
	req->flags= 		0;
	req->whichGroups= 	0;
	req->groups= 		0;
	req->whichMods= 	0;
	req->realMods= 		0;
	req->virtualMods= 	0;
	req->ctrls=		0;
    }
    UnlockDisplay(dpy);
    SyncHandle();
    return True;
}

Bool
XkbSetNamedIndicator(	Display *		dpy,
			Atom			name,
			Bool			changeState,
			Bool			state,
			Bool			createNewMap,
			XkbIndicatorMapPtr	pMap)
{
    return XkbSetNamedDeviceIndicator(dpy,XkbUseCoreKbd,
					  XkbDfltXIClass,XkbDfltXIId,
					  name,changeState,state,
					  createNewMap,pMap);
}