/*
 * -- $Header: /cec/src/nestor/servers/R3/shXlib/XChWAttrs.c,v 1.2 90/05/14 08:57:18 altenhof Exp $
 */
#include "copyright.h"

/* $XConsortium: XChWAttrs.c,v 11.8 88/09/06 16:04:36 jim Exp $ */
/* Copyright    Massachusetts Institute of Technology    1986	*/


/* -- MULTIPLEX Extension -- */
#include "Xlibint.h"

/* -- additional includes -- */
#include "resources.h"
#include "ApplCtx.h"

#define AllMaskBits (CWBackPixmap|CWBackPixel|CWBorderPixmap|\
		     CWBorderPixel|CWBitGravity|CWWinGravity|\
		     CWBackingStore|CWBackingPlanes|CWBackingPixel|\
		     CWOverrideRedirect|CWSaveUnder|CWEventMask|\
		     CWDontPropagate|CWColormap|CWCursor)

XChangeWindowAttributes (dpy, w, valuemask, attributes)
    register Display *dpy;
    Window w;
    unsigned long valuemask;
    XSetWindowAttributes *attributes;
{
    register xChangeWindowAttributesReq *req;
    /* -- additional variables -- */
    Bool mux_add_events ;
    unsigned long mux_specific_mask ;
    
    /* -- find out if we must alter the event mask -- */
    mux_add_events = XmuXMustAddEvents( dpy , w , XmuXUpdate ) ;

    LockDisplay(dpy);
    GetReq(ChangeWindowAttributes,req);
    req->window = w;
    valuemask &= AllMaskBits;
    if (req->valueMask = valuemask) 
    {
	/* -- two additional parameters !! -- */
        _XProcessWindowAttributes (dpy, req, valuemask, attributes,
				   mux_add_events , &mux_specific_mask );
	/*
	 * -- These changes may affect window attributes that point to other
	 * -- resources. We must keep track of these changes, since they
	 * -- have a strong impact on duplicating resources (see multiplex.c
	 * -- for further information).
	 */
	if( XmuXStoreResources( dpy ) )
	    XmuXUpdateWindowInfo( dpy , w , req->valueMask , attributes ) ;
	if( mux_add_events && ( req->valueMask & CWEventMask ))
	    XmuXChangeToplevelInfo( dpy , w , mux_specific_mask ) ;
			
    }
    UnlockDisplay(dpy);
    SyncHandle();
}