Merge branch 'nxagent'

1 files changed, 5044 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/hw/nxagent/X/NXevents.c.NX.original b/nx-X11/programs/Xserver/hw/nxagent/X/NXevents.c.NX.original
new file mode 100644
index 000000000..c5593adbb
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/nxagent/X/NXevents.c.NX.original
@@ -0,0 +1,5044 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXAGENT, NX protocol compression and NX extensions to this software    */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+/* $XdotOrg: xc/programs/Xserver/dix/events.c,v 1.17 2005/08/25 22:11:04 anholt Exp $ */
+/* $XFree86: xc/programs/Xserver/dix/events.c,v 3.51 2004/01/12 17:04:52 tsi Exp $ */
+/************************************************************
+
+Copyright 1987, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+                        All Rights Reserved
+
+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 Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.  
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL 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.
+
+********************************************************/
+
+/* The panoramix components contained the following notice */
+/*****************************************************************
+
+Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
+BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of Digital Equipment Corporation
+shall not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from Digital
+Equipment Corporation.
+
+******************************************************************/
+
+/*****************************************************************
+
+Copyright 2003-2005 Sun Microsystems, Inc.
+
+All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, and/or sell copies of the Software, and to permit persons
+to whom the Software is furnished to do so, provided that the above
+copyright notice(s) and this permission notice appear in all copies of
+the Software and that both the above copyright notice(s) and this
+permission notice appear in supporting documentation.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR 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.
+
+Except as contained in this notice, the name of a copyright holder
+shall not be used in advertising or otherwise to promote the sale, use
+or other dealings in this Software without prior written authorization
+of the copyright holder.
+
+******************************************************************/
+
+/* $Xorg: events.c,v 1.4 2001/02/09 02:04:40 xorgcvs Exp $ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include "Xlib.h"
+#include "misc.h"
+#include "resource.h"
+#define NEED_EVENTS
+#define NEED_REPLIES
+#include <X11/Xproto.h>
+#include "windowstr.h"
+#include "inputstr.h"
+#include "scrnintstr.h"
+#include "cursorstr.h"
+
+#include "dixstruct.h"
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+#endif
+#include "globals.h"
+
+#ifdef XKB
+#include <X11/extensions/XKBsrv.h>
+extern Bool XkbFilterEvents(ClientPtr, int, xEvent *);
+#endif
+
+#ifdef XCSECURITY
+#define _SECURITY_SERVER
+#include <X11/extensions/security.h>
+#endif
+
+#ifdef XEVIE
+extern WindowPtr *WindowTable;
+extern int       xevieFlag;
+extern int       xevieClientIndex;
+extern DeviceIntPtr     xeviemouse;
+extern DeviceIntPtr     xeviekb;
+extern Mask      xevieMask;
+extern Mask      xevieFilters[128];
+extern int       xevieEventSent;
+extern int       xevieKBEventSent;
+int    xeviegrabState = 0;
+xEvent *xeviexE;
+#endif
+
+#include <X11/extensions/XIproto.h>
+#include "exevents.h"
+#include "extnsionst.h"
+
+#include "dixevents.h"
+#include "dixgrabs.h"
+#include "../../dix/dispatch.h"
+
+#include "NXlib.h"
+
+#include "Events.h"
+#include "Windows.h"
+#include "Args.h"
+
+#ifdef NX_DEBUG_INPUT
+extern int nxagentDebugInput;
+extern int nxagentDebugInputDevices;
+#endif
+ 
+extern Display *nxagentDisplay;
+
+extern WindowPtr nxagentLastEnteredWindow;
+
+#define EXTENSION_EVENT_BASE  64
+
+#define NoSuchEvent 0x80000000	/* so doesn't match NoEventMask */
+#define StructureAndSubMask ( StructureNotifyMask | SubstructureNotifyMask )
+#define AllButtonsMask ( \
+	Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask )
+#define MotionMask ( \
+	PointerMotionMask | Button1MotionMask | \
+	Button2MotionMask | Button3MotionMask | Button4MotionMask | \
+	Button5MotionMask | ButtonMotionMask )
+#define PropagateMask ( \
+	KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | \
+	MotionMask )
+#define PointerGrabMask ( \
+	ButtonPressMask | ButtonReleaseMask | \
+	EnterWindowMask | LeaveWindowMask | \
+	PointerMotionHintMask | KeymapStateMask | \
+	MotionMask )
+#define AllModifiersMask ( \
+	ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \
+	Mod3Mask | Mod4Mask | Mod5Mask )
+#define AllEventMasks (lastEventMask|(lastEventMask-1))
+/*
+ * The following relies on the fact that the Button<n>MotionMasks are equal
+ * to the corresponding Button<n>Masks from the current modifier/button state.
+ */
+#define Motion_Filter(class) (PointerMotionMask | \
+			      (class)->state | (class)->motionMask)
+
+
+#define WID(w) ((w) ? ((w)->drawable.id) : 0)
+
+#define XE_KBPTR (xE->u.keyButtonPointer)
+
+
+#define rClient(obj) (clients[CLIENT_ID((obj)->resource)])
+
+CallbackListPtr EventCallback;
+CallbackListPtr DeviceEventCallback;
+
+#define DNPMCOUNT 8
+
+Mask DontPropagateMasks[DNPMCOUNT];
+static int DontPropagateRefCnts[DNPMCOUNT];
+
+#ifdef DEBUG
+static debug_events = 0;
+#endif
+InputInfo inputInfo;
+
+static struct {
+    QdEventPtr		pending, *pendtail;
+    DeviceIntPtr	replayDev;	/* kludgy rock to put flag for */
+    WindowPtr		replayWin;	/*   ComputeFreezes            */
+    Bool		playingEvents;
+    TimeStamp		time;
+} syncEvents;
+
+/*
+ * The window trace information is used to avoid having to compute all the
+ * windows between the root and the current pointer window each time a button
+ * or key goes down. The grabs on each of those windows must be checked.
+ */
+static WindowPtr *spriteTrace = (WindowPtr *)NULL;
+#define ROOT spriteTrace[0]
+static int spriteTraceSize = 0;
+static int spriteTraceGood;
+
+static  struct {
+    CursorPtr	current;
+    BoxRec	hotLimits;	/* logical constraints of hot spot */
+    Bool	confined;	/* confined to screen */
+#if defined(SHAPE) || defined(PANORAMIX)
+    RegionPtr	hotShape;	/* additional logical shape constraint */
+#endif
+    BoxRec	physLimits;	/* physical constraints of hot spot */
+    WindowPtr	win;		/* window of logical position */
+    HotSpot	hot;		/* logical pointer position */
+    HotSpot	hotPhys;	/* physical pointer position */
+#ifdef PANORAMIX
+    ScreenPtr	screen;		/* all others are in Screen 0 coordinates */
+    RegionRec   Reg1;	        /* Region 1 for confining motion */
+    RegionRec   Reg2;		/* Region 2 for confining virtual motion */
+    WindowPtr   windows[MAXSCREENS];
+    WindowPtr	confineWin;	/* confine window */ 
+#endif
+} sprite;			/* info about the cursor sprite */
+
+#ifdef XEVIE
+WindowPtr xeviewin;
+HotSpot xeviehot;
+#endif
+
+static void DoEnterLeaveEvents(
+    WindowPtr fromWin,
+    WindowPtr toWin,
+    int mode
+);
+
+static WindowPtr XYToWindow(
+    int x,
+    int y
+);
+
+extern int lastEvent;
+
+static Mask lastEventMask;
+
+#ifdef XINPUT
+extern int DeviceMotionNotify;
+#endif
+
+#define CantBeFiltered NoEventMask
+static Mask filters[128] =
+{
+	NoSuchEvent,		       /* 0 */
+	NoSuchEvent,		       /* 1 */
+	KeyPressMask,		       /* KeyPress */
+	KeyReleaseMask,		       /* KeyRelease */
+	ButtonPressMask,	       /* ButtonPress */
+	ButtonReleaseMask,	       /* ButtonRelease */
+	PointerMotionMask,	       /* MotionNotify (initial state) */
+	EnterWindowMask,	       /* EnterNotify */
+	LeaveWindowMask,	       /* LeaveNotify */
+	FocusChangeMask,	       /* FocusIn */
+	FocusChangeMask,	       /* FocusOut */
+	KeymapStateMask,	       /* KeymapNotify */
+	ExposureMask,		       /* Expose */
+	CantBeFiltered,		       /* GraphicsExpose */
+	CantBeFiltered,		       /* NoExpose */
+	VisibilityChangeMask,	       /* VisibilityNotify */
+	SubstructureNotifyMask,	       /* CreateNotify */
+	StructureAndSubMask,	       /* DestroyNotify */
+	StructureAndSubMask,	       /* UnmapNotify */
+	StructureAndSubMask,	       /* MapNotify */
+	SubstructureRedirectMask,      /* MapRequest */
+	StructureAndSubMask,	       /* ReparentNotify */
+	StructureAndSubMask,	       /* ConfigureNotify */
+	SubstructureRedirectMask,      /* ConfigureRequest */
+	StructureAndSubMask,	       /* GravityNotify */
+	ResizeRedirectMask,	       /* ResizeRequest */
+	StructureAndSubMask,	       /* CirculateNotify */
+	SubstructureRedirectMask,      /* CirculateRequest */
+	PropertyChangeMask,	       /* PropertyNotify */
+	CantBeFiltered,		       /* SelectionClear */
+	CantBeFiltered,		       /* SelectionRequest */
+	CantBeFiltered,		       /* SelectionNotify */
+	ColormapChangeMask,	       /* ColormapNotify */
+	CantBeFiltered,		       /* ClientMessage */
+	CantBeFiltered		       /* MappingNotify */
+};
+
+static CARD8 criticalEvents[32] =
+{
+    0x7c				/* key and button events */
+};
+
+#ifdef PANORAMIX
+
+static void ConfineToShape(RegionPtr shape, int *px, int *py);
+static void SyntheticMotion(int x, int y);
+static void PostNewCursor(void);
+
+static Bool
+XineramaSetCursorPosition(
+    int x, 
+    int y, 
+    Bool generateEvent
+){
+    ScreenPtr pScreen;
+    BoxRec box;
+    int i;
+
+    /* x,y are in Screen 0 coordinates.  We need to decide what Screen
+       to send the message too and what the coordinates relative to 
+       that screen are. */
+
+    pScreen = sprite.screen;
+    x += panoramiXdataPtr[0].x;
+    y += panoramiXdataPtr[0].y;
+
+    if(!POINT_IN_REGION(pScreen, &XineramaScreenRegions[pScreen->myNum],
+								x, y, &box)) 
+    {
+	FOR_NSCREENS(i) 
+	{
+	    if(i == pScreen->myNum) 
+		continue;
+	    if(POINT_IN_REGION(pScreen, &XineramaScreenRegions[i], x, y, &box))
+	    {
+		pScreen = screenInfo.screens[i];
+		break;
+	    }
+	}
+    }
+
+    sprite.screen = pScreen;
+    sprite.hotPhys.x = x - panoramiXdataPtr[0].x;
+    sprite.hotPhys.y = y - panoramiXdataPtr[0].y;
+    x -= panoramiXdataPtr[pScreen->myNum].x;
+    y -= panoramiXdataPtr[pScreen->myNum].y;
+
+    return (*pScreen->SetCursorPosition)(pScreen, x, y, generateEvent);
+}
+
+
+static void
+XineramaConstrainCursor(void)
+{
+    ScreenPtr pScreen = sprite.screen;
+    BoxRec newBox = sprite.physLimits;
+
+    /* Translate the constraining box to the screen
+       the sprite is actually on */
+    newBox.x1 += panoramiXdataPtr[0].x - panoramiXdataPtr[pScreen->myNum].x;
+    newBox.x2 += panoramiXdataPtr[0].x - panoramiXdataPtr[pScreen->myNum].x;
+    newBox.y1 += panoramiXdataPtr[0].y - panoramiXdataPtr[pScreen->myNum].y;
+    newBox.y2 += panoramiXdataPtr[0].y - panoramiXdataPtr[pScreen->myNum].y;
+
+    (* pScreen->ConstrainCursor)(pScreen, &newBox);
+}
+
+static void
+XineramaCheckPhysLimits(
+    CursorPtr cursor,
+    Bool generateEvents
+){
+    HotSpot new;
+
+    if (!cursor)
+	return;
+ 
+    new = sprite.hotPhys;
+
+    /* I don't care what the DDX has to say about it */
+    sprite.physLimits = sprite.hotLimits;
+
+    /* constrain the pointer to those limits */
+    if (new.x < sprite.physLimits.x1)
+	new.x = sprite.physLimits.x1;
+    else
+	if (new.x >= sprite.physLimits.x2)
+	    new.x = sprite.physLimits.x2 - 1;
+    if (new.y < sprite.physLimits.y1)
+	new.y = sprite.physLimits.y1;
+    else
+	if (new.y >= sprite.physLimits.y2)
+	    new.y = sprite.physLimits.y2 - 1;
+
+    if (sprite.hotShape)  /* more work if the shape is a mess */
+	ConfineToShape(sprite.hotShape, &new.x, &new.y);
+
+    if((new.x != sprite.hotPhys.x) || (new.y != sprite.hotPhys.y))
+    {
+	XineramaSetCursorPosition (new.x, new.y, generateEvents);
+	if (!generateEvents)
+	    SyntheticMotion(new.x, new.y);
+    }
+
+    /* Tell DDX what the limits are */
+    XineramaConstrainCursor();
+}
+
+
+static Bool
+XineramaSetWindowPntrs(WindowPtr pWin)
+{
+    if(pWin == WindowTable[0]) {
+	    memcpy(sprite.windows, WindowTable, 
+				PanoramiXNumScreens*sizeof(WindowPtr));
+    } else {
+	PanoramiXRes *win;
+	int i;
+
+	win = (PanoramiXRes*)LookupIDByType(pWin->drawable.id, XRT_WINDOW);
+
+	if(!win)
+	    return FALSE;
+
+	for(i = 0; i < PanoramiXNumScreens; i++) {
+	   sprite.windows[i] = LookupIDByType(win->info[i].id, RT_WINDOW);
+	   if(!sprite.windows[i])  /* window is being unmapped */
+		return FALSE;
+	}
+    }
+    return TRUE;
+}
+
+static void
+XineramaCheckVirtualMotion(
+   QdEventPtr qe,
+   WindowPtr pWin
+){
+
+    if (qe)
+    {
+	sprite.hot.pScreen = qe->pScreen;  /* should always be Screen 0 */
+#ifdef XEVIE
+	xeviehot.x =
+#endif
+	sprite.hot.x = qe->event->u.keyButtonPointer.rootX;
+#ifdef XEVIE
+	xeviehot.y =
+#endif
+	sprite.hot.y = qe->event->u.keyButtonPointer.rootY;
+	pWin = inputInfo.pointer->grab ? inputInfo.pointer->grab->confineTo :
+					 NullWindow;
+    }
+    if (pWin)
+    {
+	int x, y, off_x, off_y, i;
+	BoxRec lims;
+
+	if(!XineramaSetWindowPntrs(pWin))
+	    return;
+
+	i = PanoramiXNumScreens - 1;
+	
+	REGION_COPY(sprite.screen, &sprite.Reg2, 
+					&sprite.windows[i]->borderSize); 
+	off_x = panoramiXdataPtr[i].x;
+	off_y = panoramiXdataPtr[i].y;
+
+	while(i--) {
+	    x = off_x - panoramiXdataPtr[i].x;
+	    y = off_y - panoramiXdataPtr[i].y;
+
+	    if(x || y)
+		REGION_TRANSLATE(sprite.screen, &sprite.Reg2, x, y);
+		
+	    REGION_UNION(sprite.screen, &sprite.Reg2, &sprite.Reg2, 
+					&sprite.windows[i]->borderSize);
+
+	    off_x = panoramiXdataPtr[i].x;
+	    off_y = panoramiXdataPtr[i].y;
+	}
+
+	lims = *REGION_EXTENTS(sprite.screen, &sprite.Reg2);
+
+        if (sprite.hot.x < lims.x1)
+#ifdef XEVIE
+	    xeviehot.x =
+#endif
+            sprite.hot.x = lims.x1;
+        else if (sprite.hot.x >= lims.x2)
+#ifdef XEVIE
+	    xeviehot.x =
+#endif
+            sprite.hot.x = lims.x2 - 1;
+        if (sprite.hot.y < lims.y1)
+#ifdef XEVIE
+	    xeviehot.y =
+#endif
+            sprite.hot.y = lims.y1;
+        else if (sprite.hot.y >= lims.y2)
+#ifdef XEVIE
+	    xeviehot.y =
+#endif
+            sprite.hot.y = lims.y2 - 1;
+
+	if (REGION_NUM_RECTS(&sprite.Reg2) > 1) 
+	    ConfineToShape(&sprite.Reg2, &sprite.hot.x, &sprite.hot.y);
+
+	if (qe)
+	{
+	    qe->pScreen = sprite.hot.pScreen;
+	    qe->event->u.keyButtonPointer.rootX = sprite.hot.x;
+	    qe->event->u.keyButtonPointer.rootY = sprite.hot.y;
+	}
+    }
+}
+
+
+static Bool
+XineramaCheckMotion(xEvent *xE)
+{
+    WindowPtr prevSpriteWin = sprite.win;
+
+    if (xE && !syncEvents.playingEvents)
+    {
+	/* Motion events entering DIX get translated to Screen 0
+	   coordinates.  Replayed events have already been 
+	   translated since they've entered DIX before */
+	XE_KBPTR.rootX += panoramiXdataPtr[sprite.screen->myNum].x -
+			  panoramiXdataPtr[0].x;
+	XE_KBPTR.rootY += panoramiXdataPtr[sprite.screen->myNum].y -
+			  panoramiXdataPtr[0].y;
+#ifdef XEVIE
+	xeviehot.x =
+#endif
+	sprite.hot.x = XE_KBPTR.rootX;
+#ifdef XEVIE
+	xeviehot.y =
+#endif
+	sprite.hot.y = XE_KBPTR.rootY;
+	if (sprite.hot.x < sprite.physLimits.x1)
+#ifdef XEVIE
+	    xeviehot.x =
+#endif
+	    sprite.hot.x = sprite.physLimits.x1;
+	else if (sprite.hot.x >= sprite.physLimits.x2)
+#ifdef XEVIE
+	    xeviehot.x =
+#endif
+	    sprite.hot.x = sprite.physLimits.x2 - 1;
+	if (sprite.hot.y < sprite.physLimits.y1)
+#ifdef XEVIE
+	    xeviehot.y =
+#endif
+	    sprite.hot.y = sprite.physLimits.y1;
+	else if (sprite.hot.y >= sprite.physLimits.y2)
+#ifdef XEVIE
+	    xeviehot.y =
+#endif
+	    sprite.hot.y = sprite.physLimits.y2 - 1;
+
+	if (sprite.hotShape) 
+	    ConfineToShape(sprite.hotShape, &sprite.hot.x, &sprite.hot.y);
+
+	sprite.hotPhys = sprite.hot;
+	if ((sprite.hotPhys.x != XE_KBPTR.rootX) ||
+	    (sprite.hotPhys.y != XE_KBPTR.rootY))
+	{
+	    XineramaSetCursorPosition(
+			sprite.hotPhys.x, sprite.hotPhys.y, FALSE);
+	}
+	XE_KBPTR.rootX = sprite.hot.x;
+	XE_KBPTR.rootY = sprite.hot.y;
+    }
+
+#ifdef XEVIE
+    xeviewin =
+#endif
+    sprite.win = XYToWindow(sprite.hot.x, sprite.hot.y);
+
+    if (sprite.win != prevSpriteWin)
+    {
+	if (prevSpriteWin != NullWindow) {
+	    if (!xE)
+		UpdateCurrentTimeIf();
+	    DoEnterLeaveEvents(prevSpriteWin, sprite.win, NotifyNormal);
+	}
+	PostNewCursor();
+        return FALSE;
+    }
+    return TRUE;
+}
+
+
+static void
+XineramaConfineCursorToWindow(WindowPtr pWin, Bool generateEvents)
+{
+
+    if (syncEvents.playingEvents)
+    {
+	XineramaCheckVirtualMotion((QdEventPtr)NULL, pWin);
+	SyntheticMotion(sprite.hot.x, sprite.hot.y);
+    }
+    else
+    {
+	int x, y, off_x, off_y, i;
+
+	if(!XineramaSetWindowPntrs(pWin))
+	    return;
+
+	i = PanoramiXNumScreens - 1;
+	
+	REGION_COPY(sprite.screen, &sprite.Reg1, 
+					&sprite.windows[i]->borderSize); 
+	off_x = panoramiXdataPtr[i].x;
+	off_y = panoramiXdataPtr[i].y;
+
+	while(i--) {
+	    x = off_x - panoramiXdataPtr[i].x;
+	    y = off_y - panoramiXdataPtr[i].y;
+
+	    if(x || y)
+		REGION_TRANSLATE(sprite.screen, &sprite.Reg1, x, y);
+		
+	    REGION_UNION(sprite.screen, &sprite.Reg1, &sprite.Reg1, 
+					&sprite.windows[i]->borderSize);
+
+	    off_x = panoramiXdataPtr[i].x;
+	    off_y = panoramiXdataPtr[i].y;
+	}
+
+	sprite.hotLimits = *REGION_EXTENTS(sprite.screen, &sprite.Reg1);
+
+	if(REGION_NUM_RECTS(&sprite.Reg1) > 1)
+	   sprite.hotShape = &sprite.Reg1;
+	else
+	   sprite.hotShape = NullRegion;
+	
+	sprite.confined = FALSE;
+	sprite.confineWin = (pWin == WindowTable[0]) ? NullWindow : pWin;
+
+	XineramaCheckPhysLimits(sprite.current, generateEvents);
+    }
+}
+
+
+static void
+XineramaChangeToCursor(CursorPtr cursor)
+{
+    if (cursor != sprite.current)
+    {
+	if ((sprite.current->bits->xhot != cursor->bits->xhot) ||
+		(sprite.current->bits->yhot != cursor->bits->yhot))
+	    XineramaCheckPhysLimits(cursor, FALSE);
+    	(*sprite.screen->DisplayCursor)(sprite.screen, cursor);
+	FreeCursor(sprite.current, (Cursor)0);
+	sprite.current = cursor;
+	sprite.current->refcnt++;
+    }
+}
+
+
+#endif  /* PANORAMIX */
+
+void
+SetMaskForEvent(Mask mask, int event)
+{
+    if ((event < LASTEvent) || (event >= 128))
+	FatalError("SetMaskForEvent: bogus event number");
+    filters[event] = mask;
+}
+
+void
+SetCriticalEvent(int event)
+{
+    if (event >= 128)
+	FatalError("SetCriticalEvent: bogus event number");
+    criticalEvents[event >> 3] |= 1 << (event & 7);
+}
+
+static void
+SyntheticMotion(int x, int y)
+{
+    xEvent xE;
+
+#ifdef PANORAMIX
+    /* Translate back to the sprite screen since processInputProc
+       will translate from sprite screen to screen 0 upon reentry
+       to the DIX layer */
+    if(!noPanoramiXExtension) {
+	x += panoramiXdataPtr[0].x - panoramiXdataPtr[sprite.screen->myNum].x;
+	y += panoramiXdataPtr[0].y - panoramiXdataPtr[sprite.screen->myNum].y;
+    }
+#endif
+    xE.u.keyButtonPointer.rootX = x;
+    xE.u.keyButtonPointer.rootY = y;
+    if (syncEvents.playingEvents)
+	xE.u.keyButtonPointer.time = syncEvents.time.milliseconds;
+    else
+	xE.u.keyButtonPointer.time = currentTime.milliseconds;
+    xE.u.u.type = MotionNotify;
+    (*inputInfo.pointer->public.processInputProc)(&xE, inputInfo.pointer, 1);
+}
+
+#ifdef SHAPE
+static void
+ConfineToShape(RegionPtr shape, int *px, int *py)
+{
+    BoxRec box;
+    int x = *px, y = *py;
+    int incx = 1, incy = 1;
+
+    if (POINT_IN_REGION(sprite.hot.pScreen, shape, x, y, &box))
+	return;
+    box = *REGION_EXTENTS(sprite.hot.pScreen, shape);
+    /* this is rather crude */
+    do {
+	x += incx;
+	if (x >= box.x2)
+	{
+	    incx = -1;
+	    x = *px - 1;
+	}
+	else if (x < box.x1)
+	{
+	    incx = 1;
+	    x = *px;
+	    y += incy;
+	    if (y >= box.y2)
+	    {
+		incy = -1;
+		y = *py - 1;
+	    }
+	    else if (y < box.y1)
+		return; /* should never get here! */
+	}
+    } while (!POINT_IN_REGION(sprite.hot.pScreen, shape, x, y, &box));
+    *px = x;
+    *py = y;
+}
+#endif
+
+static void
+CheckPhysLimits(
+    CursorPtr cursor,
+    Bool generateEvents,
+    Bool confineToScreen,
+    ScreenPtr pScreen)
+{
+    HotSpot new;
+
+    if (!cursor)
+	return;
+    new = sprite.hotPhys;
+    if (pScreen)
+	new.pScreen = pScreen;
+    else
+	pScreen = new.pScreen;
+    (*pScreen->CursorLimits) (pScreen, cursor, &sprite.hotLimits,
+			      &sprite.physLimits);
+    sprite.confined = confineToScreen;
+    (* pScreen->ConstrainCursor)(pScreen, &sprite.physLimits);
+    if (new.x < sprite.physLimits.x1)
+	new.x = sprite.physLimits.x1;
+    else
+	if (new.x >= sprite.physLimits.x2)
+	    new.x = sprite.physLimits.x2 - 1;
+    if (new.y < sprite.physLimits.y1)
+	new.y = sprite.physLimits.y1;
+    else
+	if (new.y >= sprite.physLimits.y2)
+	    new.y = sprite.physLimits.y2 - 1;
+#ifdef SHAPE
+    if (sprite.hotShape)
+	ConfineToShape(sprite.hotShape, &new.x, &new.y); 
+#endif
+    if ((pScreen != sprite.hotPhys.pScreen) ||
+	(new.x != sprite.hotPhys.x) || (new.y != sprite.hotPhys.y))
+    {
+	if (pScreen != sprite.hotPhys.pScreen)
+	    sprite.hotPhys = new;
+	(*pScreen->SetCursorPosition) (pScreen, new.x, new.y, generateEvents);
+	if (!generateEvents)
+	    SyntheticMotion(new.x, new.y);
+    }
+}
+
+static void
+CheckVirtualMotion(
+    register QdEventPtr qe,
+    register WindowPtr pWin)
+{
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension) {
+	XineramaCheckVirtualMotion(qe, pWin);
+	return;
+    }
+#endif
+    if (qe)
+    {
+	sprite.hot.pScreen = qe->pScreen;
+#ifdef XEVIE
+	xeviehot.x =
+#endif
+	sprite.hot.x = qe->event->u.keyButtonPointer.rootX;
+#ifdef XEVIE
+	xeviehot.y =
+#endif
+	sprite.hot.y = qe->event->u.keyButtonPointer.rootY;
+	pWin = inputInfo.pointer->grab ? inputInfo.pointer->grab->confineTo :
+					 NullWindow;
+    }
+    if (pWin)
+    {
+	BoxRec lims;
+
+	if (sprite.hot.pScreen != pWin->drawable.pScreen)
+	{
+	    sprite.hot.pScreen = pWin->drawable.pScreen;
+#ifdef XEVIE
+	    xeviehot.x = xeviehot.y = 0;
+#endif
+	    sprite.hot.x = sprite.hot.y = 0;
+	}
+	lims = *REGION_EXTENTS(pWin->drawable.pScreen, &pWin->borderSize);
+	if (sprite.hot.x < lims.x1)
+#ifdef XEVIE
+	    xeviehot.x =
+#endif
+	    sprite.hot.x = lims.x1;
+	else if (sprite.hot.x >= lims.x2)
+#ifdef XEVIE
+	    xeviehot.x =
+#endif
+	    sprite.hot.x = lims.x2 - 1;
+	if (sprite.hot.y < lims.y1)
+#ifdef XEVIE
+	    xeviehot.y =
+#endif
+	    sprite.hot.y = lims.y1;
+	else if (sprite.hot.y >= lims.y2)
+#ifdef XEVIE
+	    xeviehot.y =
+#endif
+	    sprite.hot.y = lims.y2 - 1;
+#ifdef SHAPE
+	if (wBoundingShape(pWin))
+	    ConfineToShape(&pWin->borderSize, &sprite.hot.x, &sprite.hot.y);
+#endif
+	if (qe)
+	{
+	    qe->pScreen = sprite.hot.pScreen;
+	    qe->event->u.keyButtonPointer.rootX = sprite.hot.x;
+	    qe->event->u.keyButtonPointer.rootY = sprite.hot.y;
+	}
+    }
+    ROOT = WindowTable[sprite.hot.pScreen->myNum];
+}
+
+static void
+ConfineCursorToWindow(WindowPtr pWin, Bool generateEvents, Bool confineToScreen)
+{
+    ScreenPtr pScreen = pWin->drawable.pScreen;
+
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension) {
+	XineramaConfineCursorToWindow(pWin, generateEvents);
+	return;
+    }	
+#endif
+
+    if (syncEvents.playingEvents)
+    {
+	CheckVirtualMotion((QdEventPtr)NULL, pWin);
+	SyntheticMotion(sprite.hot.x, sprite.hot.y);
+    }
+    else
+    {
+	sprite.hotLimits = *REGION_EXTENTS( pScreen, &pWin->borderSize);
+#ifdef SHAPE
+	sprite.hotShape = wBoundingShape(pWin) ? &pWin->borderSize
+					       : NullRegion;
+#endif
+	CheckPhysLimits(sprite.current, generateEvents, confineToScreen,
+			pScreen);
+    }
+}
+
+Bool
+PointerConfinedToScreen()
+{
+    return sprite.confined;
+}
+
+static void
+ChangeToCursor(CursorPtr cursor)
+{
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension) {
+	XineramaChangeToCursor(cursor);
+	return;
+    }
+#endif
+
+    if (cursor != sprite.current)
+    {
+	if ((sprite.current->bits->xhot != cursor->bits->xhot) ||
+		(sprite.current->bits->yhot != cursor->bits->yhot))
+	    CheckPhysLimits(cursor, FALSE, sprite.confined,
+			    (ScreenPtr)NULL);
+	(*sprite.hotPhys.pScreen->DisplayCursor) (sprite.hotPhys.pScreen,
+						  cursor);
+	FreeCursor(sprite.current, (Cursor)0);
+	sprite.current = cursor;
+	sprite.current->refcnt++;
+    }
+}
+
+/* returns true if b is a descendent of a */
+Bool
+IsParent(register WindowPtr a, register WindowPtr b)
+{
+    for (b = b->parent; b; b = b->parent)
+	if (b == a) return TRUE;
+    return FALSE;
+}
+
+static void
+PostNewCursor(void)
+{
+    register    WindowPtr win;
+    register    GrabPtr grab = inputInfo.pointer->grab;
+
+    if (syncEvents.playingEvents)
+	return;
+    if (grab)
+    {
+	if (grab->cursor)
+	{
+	    ChangeToCursor(grab->cursor);
+	    return;
+	}
+	if (IsParent(grab->window, sprite.win))
+	    win = sprite.win;
+	else
+	    win = grab->window;
+    }
+    else
+	win = sprite.win;
+    for (; win; win = win->parent)
+	if (win->optional && win->optional->cursor != NullCursor)
+	{
+	    ChangeToCursor(win->optional->cursor);
+	    return;
+	}
+}
+
+WindowPtr
+GetCurrentRootWindow()
+{
+    return ROOT;
+}
+
+WindowPtr
+GetSpriteWindow()
+{
+    return sprite.win;
+}
+
+CursorPtr
+GetSpriteCursor()
+{
+    return sprite.current;
+}
+
+void
+GetSpritePosition(int *px, int *py)
+{
+    *px = sprite.hotPhys.x;
+    *py = sprite.hotPhys.y;
+}
+
+#ifdef PANORAMIX
+int
+XineramaGetCursorScreen()
+{
+    if(!noPanoramiXExtension) {
+	return sprite.screen->myNum;
+    } else {
+	return 0;
+    }
+}
+#endif /* PANORAMIX */
+
+#define TIMESLOP (5 * 60 * 1000) /* 5 minutes */
+
+static void
+MonthChangedOrBadTime(register xEvent *xE)
+{
+    /* If the ddx/OS is careless about not processing timestamped events from
+     * different sources in sorted order, then it's possible for time to go
+     * backwards when it should not.  Here we ensure a decent time.
+     */
+    if ((currentTime.milliseconds - XE_KBPTR.time) > TIMESLOP)
+	currentTime.months++;
+    else
+	XE_KBPTR.time = currentTime.milliseconds;
+}
+
+#define NoticeTime(xE) { \
+    if ((xE)->u.keyButtonPointer.time < currentTime.milliseconds) \
+	MonthChangedOrBadTime(xE); \
+    currentTime.milliseconds = (xE)->u.keyButtonPointer.time; \
+    lastDeviceEventTime = currentTime; }
+
+void
+NoticeEventTime(register xEvent *xE)
+{
+    if (!syncEvents.playingEvents)
+	NoticeTime(xE);
+}
+
+/**************************************************************************
+ *            The following procedures deal with synchronous events       *
+ **************************************************************************/
+
+void
+EnqueueEvent(xEvent *xE, DeviceIntPtr device, int count)
+{
+    register QdEventPtr tail = *syncEvents.pendtail;
+    register QdEventPtr qe;
+    xEvent		*qxE;
+
+    NoticeTime(xE);
+
+#ifdef XKB
+    /* Fix for key repeating bug. */
+    if (device->key != NULL && device->key->xkbInfo != NULL && 
+	xE->u.u.type == KeyRelease)
+	AccessXCancelRepeatKey(device->key->xkbInfo, xE->u.u.detail);
+#endif
+
+    if (DeviceEventCallback)
+    {
+	DeviceEventInfoRec eventinfo;
+	/*  The RECORD spec says that the root window field of motion events
+	 *  must be valid.  At this point, it hasn't been filled in yet, so
+	 *  we do it here.  The long expression below is necessary to get
+	 *  the current root window; the apparently reasonable alternative
+	 *  GetCurrentRootWindow()->drawable.id doesn't give you the right
+	 *  answer on the first motion event after a screen change because
+	 *  the data that GetCurrentRootWindow relies on hasn't been
+	 *  updated yet.
+	 */
+	if (xE->u.u.type == MotionNotify)
+	    XE_KBPTR.root =
+		WindowTable[sprite.hotPhys.pScreen->myNum]->drawable.id;
+	eventinfo.events = xE;
+	eventinfo.count = count;
+	CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo);
+    }
+    if (xE->u.u.type == MotionNotify)
+    {
+#ifdef PANORAMIX
+	if(!noPanoramiXExtension) {
+	    XE_KBPTR.rootX += panoramiXdataPtr[sprite.screen->myNum].x -
+			      panoramiXdataPtr[0].x;
+	    XE_KBPTR.rootY += panoramiXdataPtr[sprite.screen->myNum].y -
+			      panoramiXdataPtr[0].y;
+	}
+#endif
+	sprite.hotPhys.x = XE_KBPTR.rootX;
+	sprite.hotPhys.y = XE_KBPTR.rootY;
+	/* do motion compression */
+	if (tail &&
+	    (tail->event->u.u.type == MotionNotify) &&
+	    (tail->pScreen == sprite.hotPhys.pScreen))
+	{
+	    tail->event->u.keyButtonPointer.rootX = sprite.hotPhys.x;
+	    tail->event->u.keyButtonPointer.rootY = sprite.hotPhys.y;
+	    tail->event->u.keyButtonPointer.time = XE_KBPTR.time;
+	    tail->months = currentTime.months;
+	    return;
+	}
+    }
+    qe = (QdEventPtr)xalloc(sizeof(QdEventRec) + (count * sizeof(xEvent)));
+    if (!qe)
+	return;
+    qe->next = (QdEventPtr)NULL;
+    qe->device = device;
+    qe->pScreen = sprite.hotPhys.pScreen;
+    qe->months = currentTime.months;
+    qe->event = (xEvent *)(qe + 1);
+    qe->evcount = count;
+    for (qxE = qe->event; --count >= 0; qxE++, xE++)
+	*qxE = *xE;
+    if (tail)
+	syncEvents.pendtail = &tail->next;
+    *syncEvents.pendtail = qe;
+}
+
+static void
+PlayReleasedEvents(void)
+{
+    register QdEventPtr *prev, qe;
+    register DeviceIntPtr dev;
+
+    prev = &syncEvents.pending;
+    while ( (qe = *prev) )
+    {
+	if (!qe->device->sync.frozen)
+	{
+	    *prev = qe->next;
+	    if (*syncEvents.pendtail == *prev)
+		syncEvents.pendtail = prev;
+	    if (qe->event->u.u.type == MotionNotify)
+		CheckVirtualMotion(qe, NullWindow);
+	    syncEvents.time.months = qe->months;
+	    syncEvents.time.milliseconds = qe->event->u.keyButtonPointer.time;
+#ifdef PANORAMIX
+	   /* Translate back to the sprite screen since processInputProc
+	      will translate from sprite screen to screen 0 upon reentry
+	      to the DIX layer */
+	    if(!noPanoramiXExtension) {
+		qe->event->u.keyButtonPointer.rootX += 
+			panoramiXdataPtr[0].x - 
+			panoramiXdataPtr[sprite.screen->myNum].x;
+		qe->event->u.keyButtonPointer.rootY += 
+			panoramiXdataPtr[0].y - 
+			panoramiXdataPtr[sprite.screen->myNum].y;
+	    }
+#endif
+	    (*qe->device->public.processInputProc)(qe->event, qe->device,
+						   qe->evcount);
+	    xfree(qe);
+	    for (dev = inputInfo.devices; dev && dev->sync.frozen; dev = dev->next)
+		;
+	    if (!dev)
+		break;
+	    /* Playing the event may have unfrozen another device. */
+	    /* So to play it safe, restart at the head of the queue */
+	    prev = &syncEvents.pending;
+	}
+	else
+	    prev = &qe->next;
+    } 
+}
+
+static void
+FreezeThaw(register DeviceIntPtr dev, Bool frozen)
+{
+    dev->sync.frozen = frozen;
+    if (frozen)
+	dev->public.processInputProc = dev->public.enqueueInputProc;
+    else
+	dev->public.processInputProc = dev->public.realInputProc;
+}
+
+void
+ComputeFreezes()
+{
+    register DeviceIntPtr replayDev = syncEvents.replayDev;
+    register int i;
+    WindowPtr w;
+    register xEvent *xE;
+    int count;
+    GrabPtr grab;
+    register DeviceIntPtr dev;
+
+    for (dev = inputInfo.devices; dev; dev = dev->next)
+	FreezeThaw(dev, dev->sync.other || (dev->sync.state >= FROZEN));
+    if (syncEvents.playingEvents || (!replayDev && !syncEvents.pending))
+	return;
+    syncEvents.playingEvents = TRUE;
+    if (replayDev)
+    {
+	xE = replayDev->sync.event;
+	count = replayDev->sync.evcount;
+	syncEvents.replayDev = (DeviceIntPtr)NULL;
+
+        w = XYToWindow( XE_KBPTR.rootX, XE_KBPTR.rootY);
+	for (i = 0; i < spriteTraceGood; i++)
+	{
+	    if (syncEvents.replayWin == spriteTrace[i])
+	    {
+		if (!CheckDeviceGrabs(replayDev, xE, i+1, count)) {
+		    if (replayDev->focus)
+			DeliverFocusedEvent(replayDev, xE, w, count);
+		    else
+			DeliverDeviceEvents(w, xE, NullGrab, NullWindow,
+					        replayDev, count);
+		}
+		goto playmore;
+	    }
+	}
+	/* must not still be in the same stack */
+	if (replayDev->focus)
+	    DeliverFocusedEvent(replayDev, xE, w, count);
+	else
+	    DeliverDeviceEvents(w, xE, NullGrab, NullWindow, replayDev, count);
+    }
+playmore:
+    for (dev = inputInfo.devices; dev; dev = dev->next)
+    {
+	if (!dev->sync.frozen)
+	{
+	    PlayReleasedEvents();
+	    break;
+	}
+    }
+    syncEvents.playingEvents = FALSE;
+    /* the following may have been skipped during replay, so do it now */
+    if ((grab = inputInfo.pointer->grab) && grab->confineTo)
+    {
+	if (grab->confineTo->drawable.pScreen != sprite.hotPhys.pScreen)
+	    sprite.hotPhys.x = sprite.hotPhys.y = 0;
+	ConfineCursorToWindow(grab->confineTo, TRUE, TRUE);
+    }
+    else
+	ConfineCursorToWindow(WindowTable[sprite.hotPhys.pScreen->myNum],
+			      TRUE, FALSE);
+    PostNewCursor();
+}
+
+#ifdef RANDR
+void
+ScreenRestructured (ScreenPtr pScreen)
+{
+    GrabPtr grab;
+
+    if ((grab = inputInfo.pointer->grab) && grab->confineTo)
+    {
+	if (grab->confineTo->drawable.pScreen != sprite.hotPhys.pScreen)
+	    sprite.hotPhys.x = sprite.hotPhys.y = 0;
+	ConfineCursorToWindow(grab->confineTo, TRUE, TRUE);
+    }
+    else
+	ConfineCursorToWindow(WindowTable[sprite.hotPhys.pScreen->myNum],
+			      TRUE, FALSE);
+}
+#endif
+
+void
+CheckGrabForSyncs(register DeviceIntPtr thisDev, Bool thisMode, Bool otherMode)
+{
+    register GrabPtr grab = thisDev->grab;
+    register DeviceIntPtr dev;
+
+    if (thisMode == GrabModeSync)
+	thisDev->sync.state = FROZEN_NO_EVENT;
+    else
+    {	/* free both if same client owns both */
+	thisDev->sync.state = THAWED;
+	if (thisDev->sync.other &&
+	    (CLIENT_BITS(thisDev->sync.other->resource) ==
+	     CLIENT_BITS(grab->resource)))
+	    thisDev->sync.other = NullGrab;
+    }
+    for (dev = inputInfo.devices; dev; dev = dev->next)
+    {
+	if (dev != thisDev)
+	{
+	    if (otherMode == GrabModeSync)
+		dev->sync.other = grab;
+	    else
+	    {	/* free both if same client owns both */
+		if (dev->sync.other &&
+		    (CLIENT_BITS(dev->sync.other->resource) ==
+		     CLIENT_BITS(grab->resource)))
+		    dev->sync.other = NullGrab;
+	    }
+	}
+    }
+    ComputeFreezes();
+}
+
+void
+ActivatePointerGrab(register DeviceIntPtr mouse, register GrabPtr grab, 
+                    TimeStamp time, Bool autoGrab)
+{
+    WindowPtr oldWin = (mouse->grab) ? mouse->grab->window
+				     : sprite.win;
+
+    if (grab->confineTo)
+    {
+	if (grab->confineTo->drawable.pScreen != sprite.hotPhys.pScreen)
+	    sprite.hotPhys.x = sprite.hotPhys.y = 0;
+	ConfineCursorToWindow(grab->confineTo, FALSE, TRUE);
+    }
+    DoEnterLeaveEvents(oldWin, grab->window, NotifyGrab);
+    mouse->valuator->motionHintWindow = NullWindow;
+    if (syncEvents.playingEvents)
+	mouse->grabTime = syncEvents.time;
+    else
+	mouse->grabTime = time;
+    if (grab->cursor)
+	grab->cursor->refcnt++;
+    mouse->activeGrab = *grab;
+    mouse->grab = &mouse->activeGrab;
+    mouse->fromPassiveGrab = autoGrab;
+    PostNewCursor();
+    CheckGrabForSyncs(mouse,(Bool)grab->pointerMode, (Bool)grab->keyboardMode);
+
+    #ifdef NXAGENT_SERVER
+
+    /*
+     * If grab is synchronous, events are delivered to clients only if they send
+     * an AllowEvent request. If mode field in AllowEvent request is SyncPointer, the 
+     * delivered event is saved in a queue and replayed later, when grab is released.
+     * We should  export sync grab to X as async in order to avoid events to be 
+     * queued twice, in the agent and in the X server. This solution have a drawback:
+     * replayed events are not delivered to that application that are not clients of
+     * the agent.
+     * A different solution could be to make the grab asynchronous in the agent and 
+     * to export it as synchronous. But this seems to be less safe.
+     *
+     * To make internal grab asynchronous, change previous line as follows.
+     *
+     * if (nxagentOption(Rootless))
+     * {
+     *   CheckGrabForSyncs(mouse, GrabModeAsync, (Bool)grab->keyboardMode);
+     * }
+     * else
+     * {
+     *   CheckGrabForSyncs(mouse,(Bool)grab->pointerMode, (Bool)grab->keyboardMode);
+     * }
+     */
+
+    if (nxagentOption(Rootless) == 1)
+    {
+      /*
+       * FIXME: We should use the correct value
+       * for the cursor. Temporarily we set it
+       * to None.
+       */
+
+       int resource = nxagentWaitForResource(NXGetCollectGrabPointerResource,
+                                                 nxagentCollectGrabPointerPredicate);
+
+       NXCollectGrabPointer(nxagentDisplay, resource, nxagentWindow(grab -> window),
+                                1, grab -> eventMask & PointerGrabMask,
+                                    GrabModeAsync, GrabModeAsync, (grab -> confineTo) ?
+                                        nxagentWindow(grab -> confineTo) : None,
+                                            None, CurrentTime);
+    }
+
+    #endif
+}
+
+void
+DeactivatePointerGrab(register DeviceIntPtr mouse)
+{
+    register GrabPtr grab = mouse->grab;
+    register DeviceIntPtr dev;
+
+    mouse->valuator->motionHintWindow = NullWindow;
+    mouse->grab = NullGrab;
+    mouse->sync.state = NOT_GRABBED;
+    mouse->fromPassiveGrab = FALSE;
+    for (dev = inputInfo.devices; dev; dev = dev->next)
+    {
+	if (dev->sync.other == grab)
+	    dev->sync.other = NullGrab;
+    }
+    DoEnterLeaveEvents(grab->window, sprite.win, NotifyUngrab);
+    if (grab->confineTo)
+	ConfineCursorToWindow(ROOT, FALSE, FALSE);
+    PostNewCursor();
+    if (grab->cursor)
+	FreeCursor(grab->cursor, (Cursor)0);
+    ComputeFreezes();
+
+    #ifdef NXAGENT_SERVER
+
+    if (nxagentOption(Rootless) == 1)
+    {
+      XUngrabPointer(nxagentDisplay, CurrentTime);
+
+      if (sprite.win == ROOT)
+      {
+        mouse -> button -> state &=
+            ~(Button1Mask | Button2Mask | Button3Mask |
+                  Button4Mask | Button5Mask);
+      }
+    }
+
+    #endif
+}
+
+void
+ActivateKeyboardGrab(register DeviceIntPtr keybd, GrabPtr grab, TimeStamp time, Bool passive)
+{
+    WindowPtr oldWin;
+
+    if (keybd->grab)
+	oldWin = keybd->grab->window;
+    else if (keybd->focus)
+	oldWin = keybd->focus->win;
+    else
+	oldWin = sprite.win;
+    if (oldWin == FollowKeyboardWin)
+	oldWin = inputInfo.keyboard->focus->win;
+    if (keybd->valuator)
+	keybd->valuator->motionHintWindow = NullWindow;
+    DoFocusEvents(keybd, oldWin, grab->window, NotifyGrab);
+    if (syncEvents.playingEvents)
+	keybd->grabTime = syncEvents.time;
+    else
+	keybd->grabTime = time;
+    keybd->activeGrab = *grab;
+    keybd->grab = &keybd->activeGrab;
+    keybd->fromPassiveGrab = passive;
+    CheckGrabForSyncs(keybd, (Bool)grab->keyboardMode, (Bool)grab->pointerMode);
+}
+
+void
+DeactivateKeyboardGrab(register DeviceIntPtr keybd)
+{
+    register GrabPtr grab = keybd->grab;
+    register DeviceIntPtr dev;
+    register WindowPtr focusWin = keybd->focus ? keybd->focus->win
+					       : sprite.win;
+
+    if (focusWin == FollowKeyboardWin)
+	focusWin = inputInfo.keyboard->focus->win;
+    if (keybd->valuator)
+	keybd->valuator->motionHintWindow = NullWindow;
+    keybd->grab = NullGrab;
+    keybd->sync.state = NOT_GRABBED;
+    keybd->fromPassiveGrab = FALSE;
+    for (dev = inputInfo.devices; dev; dev = dev->next)
+    {
+	if (dev->sync.other == grab)
+	    dev->sync.other = NullGrab;
+    }
+    DoFocusEvents(keybd, grab->window, focusWin, NotifyUngrab);
+    ComputeFreezes();
+}
+
+void
+AllowSome(ClientPtr client, TimeStamp time, DeviceIntPtr thisDev, int newState)
+{
+    Bool thisGrabbed, otherGrabbed, othersFrozen, thisSynced;
+    TimeStamp grabTime;
+    register DeviceIntPtr dev;
+
+    thisGrabbed = thisDev->grab && SameClient(thisDev->grab, client);
+    thisSynced = FALSE;
+    otherGrabbed = FALSE;
+    othersFrozen = TRUE;
+    grabTime = thisDev->grabTime;
+    for (dev = inputInfo.devices; dev; dev = dev->next)
+    {
+	if (dev == thisDev)
+	    continue;
+	if (dev->grab && SameClient(dev->grab, client))
+	{
+	    if (!(thisGrabbed || otherGrabbed) ||
+		(CompareTimeStamps(dev->grabTime, grabTime) == LATER))
+		grabTime = dev->grabTime;
+	    otherGrabbed = TRUE;
+	    if (thisDev->sync.other == dev->grab)
+		thisSynced = TRUE;
+	    if (dev->sync.state < FROZEN)
+		othersFrozen = FALSE;
+	}
+	else if (!dev->sync.other || !SameClient(dev->sync.other, client))
+	    othersFrozen = FALSE;
+    }
+    if (!((thisGrabbed && thisDev->sync.state >= FROZEN) || thisSynced))
+	return;
+    if ((CompareTimeStamps(time, currentTime) == LATER) ||
+	(CompareTimeStamps(time, grabTime) == EARLIER))
+	return;
+    switch (newState)
+    {
+	case THAWED:	 	       /* Async */
+	    if (thisGrabbed)
+		thisDev->sync.state = THAWED;
+	    if (thisSynced)
+		thisDev->sync.other = NullGrab;
+	    ComputeFreezes();
+	    break;
+	case FREEZE_NEXT_EVENT:		/* Sync */
+	    if (thisGrabbed)
+	    {
+		thisDev->sync.state = FREEZE_NEXT_EVENT;
+		if (thisSynced)
+		    thisDev->sync.other = NullGrab;
+		ComputeFreezes();
+	    }
+	    break;
+	case THAWED_BOTH:		/* AsyncBoth */
+	    if (othersFrozen)
+	    {
+		for (dev = inputInfo.devices; dev; dev = dev->next)
+		{
+		    if (dev->grab && SameClient(dev->grab, client))
+			dev->sync.state = THAWED;
+		    if (dev->sync.other && SameClient(dev->sync.other, client))
+			dev->sync.other = NullGrab;
+		}
+		ComputeFreezes();
+	    }
+	    break;
+	case FREEZE_BOTH_NEXT_EVENT:	/* SyncBoth */
+	    if (othersFrozen)
+	    {
+		for (dev = inputInfo.devices; dev; dev = dev->next)
+		{
+		    if (dev->grab && SameClient(dev->grab, client))
+			dev->sync.state = FREEZE_BOTH_NEXT_EVENT;
+		    if (dev->sync.other && SameClient(dev->sync.other, client))
+			dev->sync.other = NullGrab;
+		}
+		ComputeFreezes();
+	    }
+	    break;
+	case NOT_GRABBED:		/* Replay */
+	    if (thisGrabbed && thisDev->sync.state == FROZEN_WITH_EVENT)
+	    {
+		if (thisSynced)
+		    thisDev->sync.other = NullGrab;
+		syncEvents.replayDev = thisDev;
+		syncEvents.replayWin = thisDev->grab->window;
+		(*thisDev->DeactivateGrab)(thisDev);
+		syncEvents.replayDev = (DeviceIntPtr)NULL;
+	    }
+	    break;
+	case THAW_OTHERS:		/* AsyncOthers */
+	    if (othersFrozen)
+	    {
+		for (dev = inputInfo.devices; dev; dev = dev->next)
+		{
+		    if (dev == thisDev)
+			continue;
+		    if (dev->grab && SameClient(dev->grab, client))
+			dev->sync.state = THAWED;
+		    if (dev->sync.other && SameClient(dev->sync.other, client))
+			dev->sync.other = NullGrab;
+		}
+		ComputeFreezes();
+	    }
+	    break;
+    }
+}
+
+int
+ProcAllowEvents(register ClientPtr client)
+{
+    TimeStamp		time;
+    DeviceIntPtr	mouse = inputInfo.pointer;
+    DeviceIntPtr	keybd = inputInfo.keyboard;
+    REQUEST(xAllowEventsReq);
+
+    REQUEST_SIZE_MATCH(xAllowEventsReq);
+    time = ClientTimeToServerTime(stuff->time);
+    switch (stuff->mode)
+    {
+	case ReplayPointer:
+	    AllowSome(client, time, mouse, NOT_GRABBED);
+	    break;
+	case SyncPointer: 
+	    AllowSome(client, time, mouse, FREEZE_NEXT_EVENT);
+	    break;
+	case AsyncPointer: 
+	    AllowSome(client, time, mouse, THAWED);
+	    break;
+	case ReplayKeyboard: 
+	    AllowSome(client, time, keybd, NOT_GRABBED);
+	    break;
+	case SyncKeyboard: 
+	    AllowSome(client, time, keybd, FREEZE_NEXT_EVENT);
+	    break;
+	case AsyncKeyboard: 
+	    AllowSome(client, time, keybd, THAWED);
+	    break;
+	case SyncBoth:
+	    AllowSome(client, time, keybd, FREEZE_BOTH_NEXT_EVENT);
+	    break;
+	case AsyncBoth:
+	    AllowSome(client, time, keybd, THAWED_BOTH);
+	    break;
+	default: 
+	    client->errorValue = stuff->mode;
+	    return BadValue;
+    }
+
+    /*
+     * This is not necessary if we export grab to X as asynchronous.
+     *
+     * if (nxagentOption(Rootless) && stuff -> mode != ReplayKeyboard &&
+     *         stuff -> mode != SyncKeyboard && stuff -> mode != AsyncKeyboard)
+     * {
+     *   XAllowEvents(nxagentDisplay, stuff -> mode, CurrentTime);
+     * }
+     */
+
+    return Success;
+}
+
+void
+ReleaseActiveGrabs(ClientPtr client)
+{
+    register DeviceIntPtr dev;
+    Bool    done;
+
+    /* XXX CloseDownClient should remove passive grabs before
+     * releasing active grabs.
+     */
+    do {
+    	done = TRUE;
+    	for (dev = inputInfo.devices; dev; dev = dev->next)
+    	{
+	    if (dev->grab && SameClient(dev->grab, client))
+	    {
+	    	(*dev->DeactivateGrab)(dev);
+	    	done = FALSE;
+	    }
+    	}
+    } while (!done);
+}
+
+/**************************************************************************
+ *            The following procedures deal with delivering events        *
+ **************************************************************************/
+
+int
+TryClientEvents (ClientPtr client, xEvent *pEvents, int count, Mask mask, 
+                 Mask filter, GrabPtr grab)
+{
+    int i;
+    int type;
+
+#ifdef NX_DEBUG_INPUT
+    if (grab && nxagentDebugInput && grab->window)
+    {
+	fprintf(stderr, "TryClientEvents: Grab window is [0x%x].\n",
+		(unsigned int)grab->window->drawable.id);
+	if (!SameClient(grab, client))
+		fprintf(stderr, "TryClientEvents: Events are going to be "
+			    "discarded.\n");
+    }
+#endif
+#if defined(DEBUG) || defined(NX_DEBUG_INPUT)
+#ifdef NX_DEBUG_INPUT
+    if (nxagentDebugInput == 1)
+	fprintf(stderr, "Event([%d, %d], mask=0x%x), client=%d",
+	pEvents->u.u.type, pEvents->u.u.detail, (unsigned int)mask,
+	client->index);
+#else
+    if (debug_events) ErrorF(
+	"Event([%d, %d], mask=0x%x), client=%d",
+	pEvents->u.u.type, pEvents->u.u.detail, mask, client->index);
+#endif
+#endif
+    if ((client) && (client != serverClient) && (!client->clientGone) &&
+	((filter == CantBeFiltered) || (mask & filter)))
+    {
+	if (grab && !SameClient(grab, client))
+	    return -1; /* don't send, but notify caller */
+	type = pEvents->u.u.type;
+	if (type == MotionNotify)
+	{
+	    if (mask & PointerMotionHintMask)
+	    {
+		if (WID(inputInfo.pointer->valuator->motionHintWindow) ==
+		    pEvents->u.keyButtonPointer.event)
+		{
+#if defined(DEBUG) || defined(NX_DEBUG_INPUT)
+#ifdef NX_DEBUG_INPUT
+    if (nxagentDebugInput == 1)
+    {
+	fprintf(stderr,"\nmotionHintWindow == keyButtonPointer.event\n");
+    }
+#else
+		    if (debug_events) ErrorF("\n");
+	    fprintf(stderr,"motionHintWindow == keyButtonPointer.event\n");
+#endif
+#endif
+		    return 1; /* don't send, but pretend we did */
+		}
+		pEvents->u.u.detail = NotifyHint;
+	    }
+	    else
+	    {
+		pEvents->u.u.detail = NotifyNormal;
+	    }
+	}
+#ifdef XINPUT
+	else
+	{
+	    if ((type == DeviceMotionNotify) &&
+		MaybeSendDeviceMotionNotifyHint
+			((deviceKeyButtonPointer*)pEvents, mask) != 0)
+		return 1;
+	}
+#endif
+	type &= 0177;
+	if (type != KeymapNotify)
+	{
+	    /* all extension events must have a sequence number */
+	    for (i = 0; i < count; i++)
+		pEvents[i].u.u.sequenceNumber = client->sequence;
+	}
+
+	if (BitIsOn(criticalEvents, type))
+	{
+#ifdef SMART_SCHEDULE
+	    if (client->smart_priority < SMART_MAX_PRIORITY)
+		client->smart_priority++;
+#endif
+	    SetCriticalOutputPending();
+	}
+
+	WriteEventsToClient(client, count, pEvents);
+#if defined(DEBUG) || defined(NX_DEBUG_INPUT)
+#ifdef NX_DEBUG_INPUT
+    if (nxagentDebugInput == 1)
+	fprintf(stderr, " delivered\n");
+#else
+	if (debug_events) ErrorF(  " delivered\n");
+#endif
+#endif
+	return 1;
+    }
+    else
+    {
+#if defined(DEBUG) || defined(NX_DEBUG_INPUT)
+#ifdef NX_DEBUG_INPUT
+    if (nxagentDebugInput == 1)
+	fprintf(stderr, "\n");
+#else
+	if (debug_events) ErrorF("\n");
+#endif
+#endif
+	return 0;
+    }
+}
+
+int
+DeliverEventsToWindow(register WindowPtr pWin, xEvent *pEvents, int count, 
+                      Mask filter, GrabPtr grab, int mskidx)
+{
+    int deliveries = 0, nondeliveries = 0;
+    int attempt;
+    register InputClients *other;
+    ClientPtr client = NullClient;
+    Mask deliveryMask = 0; /* If a grab occurs due to a button press, then
+		              this mask is the mask of the grab. */
+    int type = pEvents->u.u.type;
+
+    /* CantBeFiltered means only window owner gets the event */
+    if ((filter == CantBeFiltered) || !(type & EXTENSION_EVENT_BASE))
+    {
+	/* if nobody ever wants to see this event, skip some work */
+	if (filter != CantBeFiltered &&
+	    !((wOtherEventMasks(pWin)|pWin->eventMask) & filter))
+	    return 0;
+	if ( (attempt = TryClientEvents(wClient(pWin), pEvents, count,
+				      pWin->eventMask, filter, grab)) )
+	{
+	    if (attempt > 0)
+	    {
+		deliveries++;
+		client = wClient(pWin);
+		deliveryMask = pWin->eventMask;
+	    } else
+		nondeliveries--;
+	}
+    }
+    if (filter != CantBeFiltered)
+    {
+	if (type & EXTENSION_EVENT_BASE)
+	{
+	    OtherInputMasks *inputMasks;
+
+	    inputMasks = wOtherInputMasks(pWin);
+	    if (!inputMasks ||
+		!(inputMasks->inputEvents[mskidx] & filter))
+		return 0;
+	    other = inputMasks->inputClients;
+	}
+	else
+	    other = (InputClients *)wOtherClients(pWin);
+	for (; other; other = other->next)
+	{
+	    if ( (attempt = TryClientEvents(rClient(other), pEvents, count,
+					  other->mask[mskidx], filter, grab)) )
+	    {
+		if (attempt > 0)
+		{
+		    deliveries++;
+		    client = rClient(other);
+		    deliveryMask = other->mask[mskidx];
+		} else
+		    nondeliveries--;
+	    }
+	}
+    }
+    if ((type == ButtonPress) && deliveries && (!grab))
+    {
+	GrabRec tempGrab;
+
+	tempGrab.device = inputInfo.pointer;
+	tempGrab.resource = client->clientAsMask;
+	tempGrab.window = pWin;
+	tempGrab.ownerEvents = (deliveryMask & OwnerGrabButtonMask) ? TRUE : FALSE;
+	tempGrab.eventMask = deliveryMask;
+	tempGrab.keyboardMode = GrabModeAsync;
+	tempGrab.pointerMode = GrabModeAsync;
+	tempGrab.confineTo = NullWindow;
+	tempGrab.cursor = NullCursor;
+        #ifdef NX_DEBUG_INPUT
+        if (nxagentDebugInputDevices == 1)
+        {
+          fprintf(stderr, "DeliverEventsToWindow: Activating passive grab on pointer.\n");
+        }
+        #endif
+	(*inputInfo.pointer->ActivateGrab)(inputInfo.pointer, &tempGrab,
+					   currentTime, TRUE);
+    }
+    else if ((type == MotionNotify) && deliveries)
+	inputInfo.pointer->valuator->motionHintWindow = pWin;
+#ifdef XINPUT
+    else
+    {
+	if (((type == DeviceMotionNotify)
+#ifdef XKB
+	     || (type == DeviceButtonPress)
+#endif
+	    ) && deliveries)
+	    CheckDeviceGrabAndHintWindow (pWin, type,
+					  (deviceKeyButtonPointer*) pEvents,
+					  grab, client, deliveryMask);
+    }
+#endif
+    if (deliveries)
+	return deliveries;
+    return nondeliveries;
+}
+
+/* If the event goes to dontClient, don't send it and return 0.  if
+   send works,  return 1 or if send didn't work, return 2.
+   Only works for core events.
+*/
+
+#ifdef PANORAMIX
+static int 
+XineramaTryClientEventsResult(
+    ClientPtr client,
+    GrabPtr grab,
+    Mask mask, 
+    Mask filter
+){
+    if ((client) && (client != serverClient) && (!client->clientGone) &&
+        ((filter == CantBeFiltered) || (mask & filter)))
+    {
+        if (grab && !SameClient(grab, client)) return -1;
+	else return 1;
+    }
+    return 0;
+}
+#endif
+
+int
+MaybeDeliverEventsToClient(register WindowPtr pWin, xEvent *pEvents, 
+                           int count, Mask filter, ClientPtr dontClient)
+{
+    register OtherClients *other;
+
+
+    if (pWin->eventMask & filter)
+    {
+        if (wClient(pWin) == dontClient)
+	    return 0;
+#ifdef PANORAMIX
+	if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) 
+	    return XineramaTryClientEventsResult(
+			wClient(pWin), NullGrab, pWin->eventMask, filter);
+#endif
+	return TryClientEvents(wClient(pWin), pEvents, count,
+			       pWin->eventMask, filter, NullGrab);
+    }
+    for (other = wOtherClients(pWin); other; other = other->next)
+    {
+	if (other->mask & filter)
+	{
+            if (SameClient(other, dontClient))
+		return 0;
+#ifdef PANORAMIX
+	    if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) 
+	      return XineramaTryClientEventsResult(
+			rClient(other), NullGrab, other->mask, filter);
+#endif
+	    return TryClientEvents(rClient(other), pEvents, count,
+				   other->mask, filter, NullGrab);
+	}
+    }
+    return 2;
+}
+
+static void
+FixUpEventFromWindow(
+    xEvent *xE,
+    WindowPtr pWin,
+    Window child,
+    Bool calcChild)
+{
+    if (calcChild)
+    {
+        WindowPtr w=spriteTrace[spriteTraceGood-1];
+	/* If the search ends up past the root should the child field be 
+	 	set to none or should the value in the argument be passed 
+		through. It probably doesn't matter since everyone calls 
+		this function with child == None anyway. */
+
+        while (w) 
+        {
+            /* If the source window is same as event window, child should be
+		none.  Don't bother going all all the way back to the root. */
+
+ 	    if (w == pWin)
+	    { 
+   		child = None;
+ 		break;
+	    }
+	    
+	    if (w->parent == pWin)
+	    {
+		child = w->drawable.id;
+		break;
+            }
+ 	    w = w->parent;
+        } 	    
+    }
+    XE_KBPTR.root = ROOT->drawable.id;
+    XE_KBPTR.event = pWin->drawable.id;
+    if (sprite.hot.pScreen == pWin->drawable.pScreen)
+    {
+	XE_KBPTR.sameScreen = xTrue;
+	XE_KBPTR.child = child;
+	XE_KBPTR.eventX =
+	XE_KBPTR.rootX - pWin->drawable.x;
+	XE_KBPTR.eventY =
+	XE_KBPTR.rootY - pWin->drawable.y;
+    }
+    else
+    {
+	XE_KBPTR.sameScreen = xFalse;
+	XE_KBPTR.child = None;
+	XE_KBPTR.eventX = 0;
+	XE_KBPTR.eventY = 0;
+    }
+}
+
+int
+DeliverDeviceEvents(register WindowPtr pWin, register xEvent *xE, GrabPtr grab, 
+                    register WindowPtr stopAt, DeviceIntPtr dev, int count)
+{
+    Window child = None;
+    int type = xE->u.u.type;
+    Mask filter = filters[type];
+    int deliveries = 0;
+
+    if (type & EXTENSION_EVENT_BASE)
+    {
+	register OtherInputMasks *inputMasks;
+	int mskidx = dev->id;
+
+	inputMasks = wOtherInputMasks(pWin);
+	if (inputMasks && !(filter & inputMasks->deliverableEvents[mskidx]))
+	    return 0;
+	while (pWin)
+	{
+	    if (inputMasks && (inputMasks->inputEvents[mskidx] & filter))
+	    {
+		FixUpEventFromWindow(xE, pWin, child, FALSE);
+		deliveries = DeliverEventsToWindow(pWin, xE, count, filter,
+						   grab, mskidx);
+		if (deliveries > 0)
+		    return deliveries;
+	    }
+	    if ((deliveries < 0) ||
+		(pWin == stopAt) ||
+		(inputMasks &&
+		 (filter & inputMasks->dontPropagateMask[mskidx])))
+		return 0;
+	    child = pWin->drawable.id;
+	    pWin = pWin->parent;
+	    if (pWin)
+		inputMasks = wOtherInputMasks(pWin);
+	}
+    }
+    else
+    {
+	if (!(filter & pWin->deliverableEvents))
+	    return 0;
+	while (pWin)
+	{
+	    if ((wOtherEventMasks(pWin)|pWin->eventMask) & filter)
+	    {
+		FixUpEventFromWindow(xE, pWin, child, FALSE);
+		deliveries = DeliverEventsToWindow(pWin, xE, count, filter,
+						   grab, 0);
+		if (deliveries > 0)
+		    return deliveries;
+	    }
+	    if ((deliveries < 0) ||
+		(pWin == stopAt) ||
+		(filter & wDontPropagateMask(pWin)))
+		return 0;
+	    child = pWin->drawable.id;
+	    pWin = pWin->parent;
+	}
+    }
+    return 0;
+}
+
+/* not useful for events that propagate up the tree or extension events */
+int
+DeliverEvents(register WindowPtr pWin, register xEvent *xE, int count, 
+              register WindowPtr otherParent)
+{
+    Mask filter;
+    int     deliveries;
+
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum)
+	return count;
+#endif
+
+    if (!count)
+	return 0;
+    filter = filters[xE->u.u.type];
+    if ((filter & SubstructureNotifyMask) && (xE->u.u.type != CreateNotify))
+	xE->u.destroyNotify.event = pWin->drawable.id;
+    if (filter != StructureAndSubMask)
+	return DeliverEventsToWindow(pWin, xE, count, filter, NullGrab, 0);
+    deliveries = DeliverEventsToWindow(pWin, xE, count, StructureNotifyMask,
+				       NullGrab, 0);
+    if (pWin->parent)
+    {
+	xE->u.destroyNotify.event = pWin->parent->drawable.id;
+	deliveries += DeliverEventsToWindow(pWin->parent, xE, count,
+					    SubstructureNotifyMask, NullGrab,
+					    0);
+	if (xE->u.u.type == ReparentNotify)
+	{
+	    xE->u.destroyNotify.event = otherParent->drawable.id;
+	    deliveries += DeliverEventsToWindow(otherParent, xE, count,
+						SubstructureNotifyMask,
+						NullGrab, 0);
+	}
+    }
+    return deliveries;
+}
+
+
+static Bool 
+PointInBorderSize(WindowPtr pWin, int x, int y)
+{
+    BoxRec box;
+
+    if(POINT_IN_REGION(pWin->drawable.pScreen, &pWin->borderSize, x, y, &box))
+	return TRUE;
+
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension && XineramaSetWindowPntrs(pWin)) {
+	int i;
+
+	for(i = 1; i < PanoramiXNumScreens; i++) {
+	   if(POINT_IN_REGION(sprite.screen, 
+			&sprite.windows[i]->borderSize, 
+			x + panoramiXdataPtr[0].x - panoramiXdataPtr[i].x, 
+			y + panoramiXdataPtr[0].y - panoramiXdataPtr[i].y, 
+			&box))
+		return TRUE;
+	}
+    }
+#endif
+    return FALSE;
+}
+
+static WindowPtr 
+XYToWindow(int x, int y)
+{
+    register WindowPtr  pWin;
+    BoxRec		box;
+
+    spriteTraceGood = 1;	/* root window still there */
+
+    if (nxagentOption(Rootless))
+    {
+      if (nxagentLastEnteredWindow == NULL)
+      {
+        return ROOT;
+      }
+
+      pWin = ROOT->lastChild;
+
+      while (pWin && pWin != ROOT->firstChild && pWin != nxagentLastEnteredWindow)
+      {
+        pWin = pWin->prevSib;
+      }
+    }
+    else
+    {
+      pWin = ROOT->firstChild;
+    }
+
+    while (pWin)
+    {
+	if ((pWin->mapped) &&
+	    (x >= pWin->drawable.x - wBorderWidth (pWin)) &&
+	    (x < pWin->drawable.x + (int)pWin->drawable.width +
+	     wBorderWidth(pWin)) &&
+	    (y >= pWin->drawable.y - wBorderWidth (pWin)) &&
+	    (y < pWin->drawable.y + (int)pWin->drawable.height +
+	     wBorderWidth (pWin))
+#ifdef SHAPE
+	    /* When a window is shaped, a further check
+	     * is made to see if the point is inside
+	     * borderSize
+	     */
+	    && (!wBoundingShape(pWin) || PointInBorderSize(pWin, x, y))
+	    && (!wInputShape(pWin) ||
+		POINT_IN_REGION(pWin->drawable.pScreen,
+				wInputShape(pWin),
+				x - pWin->drawable.x,
+				y - pWin->drawable.y, &box))
+#endif
+	    )
+	{
+	    if (spriteTraceGood >= spriteTraceSize)
+	    {
+		spriteTraceSize += 10;
+		Must_have_memory = TRUE; /* XXX */
+		spriteTrace = (WindowPtr *)xrealloc(
+		    spriteTrace, spriteTraceSize*sizeof(WindowPtr));
+		Must_have_memory = FALSE; /* XXX */
+	    }
+	    spriteTrace[spriteTraceGood++] = pWin;
+	    pWin = pWin->firstChild;
+	}
+	else
+	    pWin = pWin->nextSib;
+    }
+    return spriteTrace[spriteTraceGood-1];
+}
+
+static Bool
+CheckMotion(xEvent *xE)
+{
+    WindowPtr prevSpriteWin = sprite.win;
+
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension)
+	return XineramaCheckMotion(xE);
+#endif
+
+    if (xE && !syncEvents.playingEvents)
+    {
+	if (sprite.hot.pScreen != sprite.hotPhys.pScreen)
+	{
+	    sprite.hot.pScreen = sprite.hotPhys.pScreen;
+	    ROOT = WindowTable[sprite.hot.pScreen->myNum];
+	}
+#ifdef XEVIE
+	xeviehot.x =
+#endif
+	sprite.hot.x = XE_KBPTR.rootX;
+#ifdef XEVIE
+	xeviehot.y =
+#endif
+	sprite.hot.y = XE_KBPTR.rootY;
+	if (sprite.hot.x < sprite.physLimits.x1)
+#ifdef XEVIE
+	    xeviehot.x =
+#endif
+	    sprite.hot.x = sprite.physLimits.x1;
+	else if (sprite.hot.x >= sprite.physLimits.x2)
+#ifdef XEVIE
+	    xeviehot.x =
+#endif
+	    sprite.hot.x = sprite.physLimits.x2 - 1;
+	if (sprite.hot.y < sprite.physLimits.y1)
+#ifdef XEVIE
+	    xeviehot.y =
+#endif
+	    sprite.hot.y = sprite.physLimits.y1;
+	else if (sprite.hot.y >= sprite.physLimits.y2)
+#ifdef XEVIE
+	    xeviehot.y =
+#endif
+	    sprite.hot.y = sprite.physLimits.y2 - 1;
+#ifdef SHAPE
+	if (sprite.hotShape)
+	    ConfineToShape(sprite.hotShape, &sprite.hot.x, &sprite.hot.y);
+#endif
+	sprite.hotPhys = sprite.hot;
+
+        /*
+         * This code force cursor position to be inside the
+         * root window of the agent. We can't view a reason
+         * to do this and it interacts in an undesirable way
+         * with toggling fullscreen.
+         *
+         * if ((sprite.hotPhys.x != XE_KBPTR.rootX) ||
+         *          (sprite.hotPhys.y != XE_KBPTR.rootY))
+         * {
+         *   (*sprite.hotPhys.pScreen->SetCursorPosition)(
+         *       sprite.hotPhys.pScreen,
+         *           sprite.hotPhys.x, sprite.hotPhys.y, FALSE);
+         * }
+         */
+
+	XE_KBPTR.rootX = sprite.hot.x;
+	XE_KBPTR.rootY = sprite.hot.y;
+    }
+
+#ifdef XEVIE
+    xeviewin =
+#endif
+    sprite.win = XYToWindow(sprite.hot.x, sprite.hot.y);
+#ifdef notyet
+    if (!(sprite.win->deliverableEvents &
+	  Motion_Filter(inputInfo.pointer->button))
+	!syncEvents.playingEvents)
+    {
+	/* XXX Do PointerNonInterestBox here */
+    }
+#endif
+    if (sprite.win != prevSpriteWin)
+    {
+	if (prevSpriteWin != NullWindow) {
+	    if (!xE)
+		UpdateCurrentTimeIf();
+	    DoEnterLeaveEvents(prevSpriteWin, sprite.win, NotifyNormal);
+	}
+	PostNewCursor();
+        return FALSE;
+    }
+    return TRUE;
+}
+
+void
+WindowsRestructured()
+{
+    (void) CheckMotion((xEvent *)NULL);
+}
+
+#ifdef PANORAMIX
+/* This was added to support reconfiguration under Xdmx.  The problem is
+ * that if the 0th screen (i.e., WindowTable[0]) is moved to an origin
+ * other than 0,0, the information in the private sprite structure must
+ * be updated accordingly, or XYToWindow (and other routines) will not
+ * compute correctly. */
+void ReinitializeRootWindow(WindowPtr win, int xoff, int yoff)
+{
+    ScreenPtr pScreen = win->drawable.pScreen;
+    GrabPtr   grab;
+
+    if (noPanoramiXExtension) return;
+    
+    sprite.hot.x        -= xoff;
+    sprite.hot.y        -= yoff;
+
+    sprite.hotPhys.x    -= xoff;
+    sprite.hotPhys.y    -= yoff;
+
+    sprite.hotLimits.x1 -= xoff; 
+    sprite.hotLimits.y1 -= yoff;
+    sprite.hotLimits.x2 -= xoff;
+    sprite.hotLimits.y2 -= yoff;
+
+    if (REGION_NOTEMPTY(sprite.screen, &sprite.Reg1))
+        REGION_TRANSLATE(sprite.screen, &sprite.Reg1,    xoff, yoff);
+    if (REGION_NOTEMPTY(sprite.screen, &sprite.Reg2))
+        REGION_TRANSLATE(sprite.screen, &sprite.Reg2,    xoff, yoff);
+
+    /* FIXME: if we call ConfineCursorToWindow, must we do anything else? */
+    if ((grab = inputInfo.pointer->grab) && grab->confineTo) {
+	if (grab->confineTo->drawable.pScreen != sprite.hotPhys.pScreen)
+	    sprite.hotPhys.x = sprite.hotPhys.y = 0;
+	ConfineCursorToWindow(grab->confineTo, TRUE, TRUE);
+    } else
+	ConfineCursorToWindow(WindowTable[sprite.hotPhys.pScreen->myNum],
+			      TRUE, FALSE);
+}
+#endif
+
+void
+DefineInitialRootWindow(register WindowPtr win)
+{
+    register ScreenPtr pScreen = win->drawable.pScreen;
+    #ifdef VIEWPORT_FRAME
+    extern void nxagentInitViewportFrame(ScreenPtr, WindowPtr);
+    #endif
+    extern int  nxagentShadowInit(ScreenPtr, WindowPtr);
+
+    sprite.hotPhys.pScreen = pScreen;
+    sprite.hotPhys.x = pScreen->width / 2;
+    sprite.hotPhys.y = pScreen->height / 2;
+    sprite.hot = sprite.hotPhys;
+    sprite.hotLimits.x2 = pScreen->width;
+    sprite.hotLimits.y2 = pScreen->height;
+#ifdef XEVIE
+    xeviewin =
+#endif
+    sprite.win = win;
+    sprite.current = wCursor (win);
+    sprite.current->refcnt++;
+    spriteTraceGood = 1;
+    ROOT = win;
+    (*pScreen->CursorLimits) (
+	pScreen, sprite.current, &sprite.hotLimits, &sprite.physLimits);
+    sprite.confined = FALSE;
+    (*pScreen->ConstrainCursor) (pScreen, &sprite.physLimits);
+    (*pScreen->SetCursorPosition) (pScreen, sprite.hot.x, sprite.hot.y, FALSE);
+    (*pScreen->DisplayCursor) (pScreen, sprite.current);
+
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension) {
+	sprite.hotLimits.x1 = -panoramiXdataPtr[0].x;
+	sprite.hotLimits.y1 = -panoramiXdataPtr[0].y;
+	sprite.hotLimits.x2 = PanoramiXPixWidth  - panoramiXdataPtr[0].x;
+	sprite.hotLimits.y2 = PanoramiXPixHeight - panoramiXdataPtr[0].y;
+	sprite.physLimits = sprite.hotLimits;
+	sprite.confineWin = NullWindow;
+#ifdef SHAPE
+        sprite.hotShape = NullRegion;
+#endif
+	sprite.screen = pScreen;
+	/* gotta UNINIT these someplace */
+	REGION_NULL(pScreen, &sprite.Reg1);
+	REGION_NULL(pScreen, &sprite.Reg2);
+    }
+#endif
+
+    #ifdef VIEWPORT_FRAME
+    nxagentInitViewportFrame(pScreen, win);
+    #endif
+
+    if (nxagentOption(Shadow))
+    {
+      if (nxagentShadowInit(pScreen, win) == -1)
+      {
+        FatalError("Failed to connect to display '%s'", nxagentShadowDisplayName);
+      }
+    }
+}
+
+/*
+ * This does not take any shortcuts, and even ignores its argument, since
+ * it does not happen very often, and one has to walk up the tree since
+ * this might be a newly instantiated cursor for an intermediate window
+ * between the one the pointer is in and the one that the last cursor was
+ * instantiated from.
+ */
+void
+WindowHasNewCursor(WindowPtr pWin)
+{
+    PostNewCursor();
+}
+
+void
+NewCurrentScreen(ScreenPtr newScreen, int x, int y)
+{
+    sprite.hotPhys.x = x;
+    sprite.hotPhys.y = y;
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension) {
+	sprite.hotPhys.x += panoramiXdataPtr[newScreen->myNum].x - 
+			    panoramiXdataPtr[0].x;
+	sprite.hotPhys.y += panoramiXdataPtr[newScreen->myNum].y - 
+			    panoramiXdataPtr[0].y;
+	if (newScreen != sprite.screen) {
+	    sprite.screen = newScreen;
+	    /* Make sure we tell the DDX to update its copy of the screen */
+	    if(sprite.confineWin)
+		XineramaConfineCursorToWindow(sprite.confineWin, TRUE);
+	    else
+		XineramaConfineCursorToWindow(WindowTable[0], TRUE);
+	    /* if the pointer wasn't confined, the DDX won't get 
+	       told of the pointer warp so we reposition it here */
+	    if(!syncEvents.playingEvents)
+		(*sprite.screen->SetCursorPosition)(sprite.screen,
+		    sprite.hotPhys.x + panoramiXdataPtr[0].x - 
+			panoramiXdataPtr[sprite.screen->myNum].x,
+		    sprite.hotPhys.y + panoramiXdataPtr[0].y - 
+			panoramiXdataPtr[sprite.screen->myNum].y, FALSE);
+	}
+    } else 
+#endif
+    if (newScreen != sprite.hotPhys.pScreen)
+	ConfineCursorToWindow(WindowTable[newScreen->myNum], TRUE, FALSE);
+}
+
+#ifdef PANORAMIX
+
+static Bool
+XineramaPointInWindowIsVisible(
+    WindowPtr pWin,
+    int x,
+    int y
+)
+{
+    ScreenPtr pScreen = pWin->drawable.pScreen;
+    BoxRec box;
+    int i, xoff, yoff;
+
+    if (!pWin->realized) return FALSE;
+
+    if (POINT_IN_REGION(pScreen, &pWin->borderClip, x, y, &box))
+        return TRUE;
+    
+    if(!XineramaSetWindowPntrs(pWin)) return FALSE;
+
+    xoff = x + panoramiXdataPtr[0].x;  
+    yoff = y + panoramiXdataPtr[0].y;  
+
+    for(i = 1; i < PanoramiXNumScreens; i++) {
+	pWin = sprite.windows[i];
+	pScreen = pWin->drawable.pScreen;
+	x = xoff - panoramiXdataPtr[i].x;
+	y = yoff - panoramiXdataPtr[i].y;
+
+	if(POINT_IN_REGION(pScreen, &pWin->borderClip, x, y, &box)
+	   && (!wInputShape(pWin) ||
+	       POINT_IN_REGION(pWin->drawable.pScreen,
+			       wInputShape(pWin),
+			       x - pWin->drawable.x, 
+			       y - pWin->drawable.y, &box)))
+            return TRUE;
+
+    }
+
+    return FALSE;
+}
+
+static int
+XineramaWarpPointer(ClientPtr client)
+{
+    WindowPtr	dest = NULL;
+    int		x, y;
+
+    REQUEST(xWarpPointerReq);
+
+
+    if (stuff->dstWid != None)
+    {
+	dest = SecurityLookupWindow(stuff->dstWid, client, SecurityReadAccess);
+	if (!dest)
+	    return BadWindow;
+    }
+    x = sprite.hotPhys.x;
+    y = sprite.hotPhys.y;
+
+    if (stuff->srcWid != None)
+    {
+	int     winX, winY;
+ 	XID 	winID = stuff->srcWid;
+        WindowPtr source;
+	
+	source = SecurityLookupWindow(winID, client, SecurityReadAccess);
+	if (!source) return BadWindow;
+
+	winX = source->drawable.x;
+	winY = source->drawable.y;
+	if(source == WindowTable[0]) {
+	    winX -= panoramiXdataPtr[0].x;
+	    winY -= panoramiXdataPtr[0].y;
+	}
+	if (x < winX + stuff->srcX ||
+	    y < winY + stuff->srcY ||
+	    (stuff->srcWidth != 0 &&
+	     winX + stuff->srcX + (int)stuff->srcWidth < x) ||
+	    (stuff->srcHeight != 0 &&
+	     winY + stuff->srcY + (int)stuff->srcHeight < y) ||
+	    !XineramaPointInWindowIsVisible(source, x, y))
+	    return Success;
+    }
+    if (dest) {
+	x = dest->drawable.x;
+	y = dest->drawable.y;
+	if(dest == WindowTable[0]) {
+	    x -= panoramiXdataPtr[0].x;
+	    y -= panoramiXdataPtr[0].y;
+	}
+    } 
+
+    x += stuff->dstX;
+    y += stuff->dstY;
+
+    if (x < sprite.physLimits.x1)
+	x = sprite.physLimits.x1;
+    else if (x >= sprite.physLimits.x2)
+	x = sprite.physLimits.x2 - 1;
+    if (y < sprite.physLimits.y1)
+	y = sprite.physLimits.y1;
+    else if (y >= sprite.physLimits.y2)
+	y = sprite.physLimits.y2 - 1;
+    if (sprite.hotShape)
+	ConfineToShape(sprite.hotShape, &x, &y);
+
+    XineramaSetCursorPosition(x, y, TRUE);
+
+    return Success;
+}
+
+#endif
+
+
+int
+ProcWarpPointer(ClientPtr client)
+{
+    WindowPtr	dest = NULL;
+    int		x, y;
+    ScreenPtr	newScreen;
+
+    REQUEST(xWarpPointerReq);
+
+    REQUEST_SIZE_MATCH(xWarpPointerReq);
+
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension)
+	return XineramaWarpPointer(client);
+#endif
+
+    if (stuff->dstWid != None)
+    {
+	dest = SecurityLookupWindow(stuff->dstWid, client, SecurityReadAccess);
+	if (!dest)
+	    return BadWindow;
+    }
+    x = sprite.hotPhys.x;
+    y = sprite.hotPhys.y;
+
+    if (stuff->srcWid != None)
+    {
+	int     winX, winY;
+ 	XID 	winID = stuff->srcWid;
+        WindowPtr source;
+	
+	source = SecurityLookupWindow(winID, client, SecurityReadAccess);
+	if (!source) return BadWindow;
+
+	winX = source->drawable.x;
+	winY = source->drawable.y;
+	if (source->drawable.pScreen != sprite.hotPhys.pScreen ||
+	    x < winX + stuff->srcX ||
+	    y < winY + stuff->srcY ||
+	    (stuff->srcWidth != 0 &&
+	     winX + stuff->srcX + (int)stuff->srcWidth < x) ||
+	    (stuff->srcHeight != 0 &&
+	     winY + stuff->srcY + (int)stuff->srcHeight < y) ||
+	    !PointInWindowIsVisible(source, x, y))
+	    return Success;
+    }
+    if (dest) 
+    {
+	x = dest->drawable.x;
+	y = dest->drawable.y;
+	newScreen = dest->drawable.pScreen;
+    } else 
+	newScreen = sprite.hotPhys.pScreen;
+
+    x += stuff->dstX;
+    y += stuff->dstY;
+
+    if (x < 0)
+	x = 0;
+    else if (x >= newScreen->width)
+	x = newScreen->width - 1;
+    if (y < 0)
+	y = 0;
+    else if (y >= newScreen->height)
+	y = newScreen->height - 1;
+
+    if (newScreen == sprite.hotPhys.pScreen)
+    {
+	if (x < sprite.physLimits.x1)
+	    x = sprite.physLimits.x1;
+	else if (x >= sprite.physLimits.x2)
+	    x = sprite.physLimits.x2 - 1;
+	if (y < sprite.physLimits.y1)
+	    y = sprite.physLimits.y1;
+	else if (y >= sprite.physLimits.y2)
+	    y = sprite.physLimits.y2 - 1;
+#if defined(SHAPE)
+	if (sprite.hotShape)
+	    ConfineToShape(sprite.hotShape, &x, &y);
+#endif
+	(*newScreen->SetCursorPosition)(newScreen, x, y, TRUE);
+    }
+    else if (!PointerConfinedToScreen())
+    {
+	NewCurrentScreen(newScreen, x, y);
+    }
+    return Success;
+}
+
+static Bool 
+BorderSizeNotEmpty(WindowPtr pWin)
+{
+     if(REGION_NOTEMPTY(sprite.hotPhys.pScreen, &pWin->borderSize))
+	return TRUE;
+
+#ifdef PANORAMIX
+     if(!noPanoramiXExtension && XineramaSetWindowPntrs(pWin)) {
+	int i;
+
+	for(i = 1; i < PanoramiXNumScreens; i++) {
+	    if(REGION_NOTEMPTY(sprite.screen, &sprite.windows[i]->borderSize))
+		return TRUE;
+	}
+     }
+#endif
+     return FALSE;
+}
+
+/* "CheckPassiveGrabsOnWindow" checks to see if the event passed in causes a
+	passive grab set on the window to be activated. */
+
+static Bool
+CheckPassiveGrabsOnWindow(
+    WindowPtr pWin,
+    register DeviceIntPtr device,
+    register xEvent *xE,
+    int count)
+{
+    register GrabPtr grab = wPassiveGrabs(pWin);
+    GrabRec tempGrab;
+    register xEvent *dxE;
+
+    if (!grab)
+	return FALSE;
+    tempGrab.window = pWin;
+    tempGrab.device = device;
+    tempGrab.type = xE->u.u.type;
+    tempGrab.detail.exact = xE->u.u.detail;
+    tempGrab.detail.pMask = NULL;
+    tempGrab.modifiersDetail.pMask = NULL;
+    for (; grab; grab = grab->next)
+    {
+#ifdef XKB
+	DeviceIntPtr	gdev;
+	XkbSrvInfoPtr	xkbi;
+
+	gdev= grab->modifierDevice;
+	xkbi= gdev->key->xkbInfo;
+#endif
+	tempGrab.modifierDevice = grab->modifierDevice;
+	if ((device == grab->modifierDevice) &&
+	    ((xE->u.u.type == KeyPress)
+#if defined(XINPUT) && defined(XKB)
+	     || (xE->u.u.type == DeviceKeyPress)
+#endif
+	     ))
+	    tempGrab.modifiersDetail.exact =
+#ifdef XKB
+		(noXkbExtension?gdev->key->prev_state:xkbi->state.grab_mods);
+#else
+		grab->modifierDevice->key->prev_state;
+#endif
+	else
+	    tempGrab.modifiersDetail.exact =
+#ifdef XKB
+		(noXkbExtension ? gdev->key->state : xkbi->state.grab_mods);
+#else
+		grab->modifierDevice->key->state;
+#endif
+	if (GrabMatchesSecond(&tempGrab, grab) &&
+	    (!grab->confineTo ||
+	     (grab->confineTo->realized && 
+				BorderSizeNotEmpty(grab->confineTo))))
+	{
+#ifdef XCSECURITY
+	    if (!SecurityCheckDeviceAccess(wClient(pWin), device, FALSE))
+		return FALSE;
+#endif
+#ifdef XKB
+	    if (!noXkbExtension) {
+		XE_KBPTR.state &= 0x1f00;
+		XE_KBPTR.state |=
+				tempGrab.modifiersDetail.exact&(~0x1f00);
+	    }
+#endif
+            #ifdef NX_DEBUG_INPUT
+            if (nxagentDebugInputDevices == 1)
+            {
+              fprintf(stderr, "CheckPassiveGrabsOnWindow: Activating passive grab on %s.\n",
+                          device == inputInfo.keyboard ? "keyboard" : "pointer");
+            }
+            #endif
+	    (*device->ActivateGrab)(device, grab, currentTime, TRUE);
+ 
+	    FixUpEventFromWindow(xE, grab->window, None, TRUE);
+
+	    (void) TryClientEvents(rClient(grab), xE, count,
+				   filters[xE->u.u.type],
+				   filters[xE->u.u.type],  grab);
+
+	    if (device->sync.state == FROZEN_NO_EVENT)
+	    {
+		if (device->sync.evcount < count)
+		{
+		    Must_have_memory = TRUE; /* XXX */
+		    device->sync.event = (xEvent *)xrealloc(device->sync.event,
+							    count*
+							    sizeof(xEvent));
+		    Must_have_memory = FALSE; /* XXX */
+		}
+		device->sync.evcount = count;
+		for (dxE = device->sync.event; --count >= 0; dxE++, xE++)
+		    *dxE = *xE;
+	    	device->sync.state = FROZEN_WITH_EVENT;
+            }	
+	    return TRUE;
+	}
+    }
+    return FALSE;
+}
+
+/**
+"CheckDeviceGrabs" handles both keyboard and pointer events that may cause
+a passive grab to be activated.  If the event is a keyboard event, the
+ancestors of the focus window are traced down and tried to see if they have
+any passive grabs to be activated.  If the focus window itself is reached and
+it's descendants contain they pointer, the ancestors of the window that the
+pointer is in are then traced down starting at the focus window, otherwise no
+grabs are activated.  If the event is a pointer event, the ancestors of the
+window that the pointer is in are traced down starting at the root until
+CheckPassiveGrabs causes a passive grab to activate or all the windows are
+tried. PRH
+*/
+
+Bool
+CheckDeviceGrabs(register DeviceIntPtr device, register xEvent *xE, 
+                 int checkFirst, int count)
+{
+    register int i;
+    register WindowPtr pWin = NULL;
+    register FocusClassPtr focus = device->focus;
+
+    if (((xE->u.u.type == ButtonPress)
+#if defined(XINPUT) && defined(XKB)
+	 || (xE->u.u.type == DeviceButtonPress)
+#endif
+	 ) && (device->button->buttonsDown != 1))
+	return FALSE;
+
+    i = checkFirst;
+
+    if (focus)
+    {
+	for (; i < focus->traceGood; i++)
+	{
+	    pWin = focus->trace[i];
+	    if (pWin->optional &&
+		CheckPassiveGrabsOnWindow(pWin, device, xE, count))
+		return TRUE;
+	}
+  
+	if ((focus->win == NoneWin) ||
+	    (i >= spriteTraceGood) ||
+	    ((i > checkFirst) && (pWin != spriteTrace[i-1])))
+	    return FALSE;
+    }
+
+    for (; i < spriteTraceGood; i++)
+    {
+	pWin = spriteTrace[i];
+	if (pWin->optional &&
+	    CheckPassiveGrabsOnWindow(pWin, device, xE, count))
+	    return TRUE;
+    }
+
+    return FALSE;
+}
+
+void
+DeliverFocusedEvent(DeviceIntPtr keybd, xEvent *xE, WindowPtr window, int count)
+{
+    WindowPtr focus = keybd->focus->win;
+    int mskidx = 0;
+
+    if (focus == FollowKeyboardWin)
+	focus = inputInfo.keyboard->focus->win;
+    if (!focus)
+	return;
+    if (focus == PointerRootWin)
+    {
+	DeliverDeviceEvents(window, xE, NullGrab, NullWindow, keybd, count);
+	return;
+    }
+    if ((focus == window) || IsParent(focus, window))
+    {
+	if (DeliverDeviceEvents(window, xE, NullGrab, focus, keybd, count))
+	    return;
+    }
+    /* just deliver it to the focus window */
+    FixUpEventFromWindow(xE, focus, None, FALSE);
+    if (xE->u.u.type & EXTENSION_EVENT_BASE)
+	mskidx = keybd->id;
+    (void)DeliverEventsToWindow(focus, xE, count, filters[xE->u.u.type],
+				NullGrab, mskidx);
+}
+
+void
+DeliverGrabbedEvent(register xEvent *xE, register DeviceIntPtr thisDev, 
+                    Bool deactivateGrab, int count)
+{
+    register GrabPtr grab = thisDev->grab;
+    int deliveries = 0;
+    register DeviceIntPtr dev;
+    register xEvent *dxE;
+
+    if (grab->ownerEvents)
+    {
+	WindowPtr focus;
+
+	if (thisDev->focus)
+	{
+	    focus = thisDev->focus->win;
+	    if (focus == FollowKeyboardWin)
+		focus = inputInfo.keyboard->focus->win;
+	}
+	else
+	    focus = PointerRootWin;
+	if (focus == PointerRootWin)
+	    deliveries = DeliverDeviceEvents(sprite.win, xE, grab, NullWindow,
+					     thisDev, count);
+	else if (focus && (focus == sprite.win || IsParent(focus, sprite.win)))
+	    deliveries = DeliverDeviceEvents(sprite.win, xE, grab, focus,
+					     thisDev, count);
+	else if (focus)
+	    deliveries = DeliverDeviceEvents(focus, xE, grab, focus,
+					     thisDev, count);
+    }
+    if (!deliveries)
+    {
+	FixUpEventFromWindow(xE, grab->window, None, TRUE);
+	deliveries = TryClientEvents(rClient(grab), xE, count,
+				     (Mask)grab->eventMask,
+				     filters[xE->u.u.type], grab);
+	if (deliveries && (xE->u.u.type == MotionNotify
+#ifdef XINPUT
+			   || xE->u.u.type == DeviceMotionNotify
+#endif
+			   ))
+	    thisDev->valuator->motionHintWindow = grab->window;
+    }
+    if (deliveries && !deactivateGrab && (xE->u.u.type != MotionNotify
+#ifdef XINPUT
+					  && xE->u.u.type != DeviceMotionNotify
+#endif
+					  ))
+	switch (thisDev->sync.state)
+	{
+	case FREEZE_BOTH_NEXT_EVENT:
+	    for (dev = inputInfo.devices; dev; dev = dev->next)
+	    {
+		if (dev == thisDev)
+		    continue;
+		FreezeThaw(dev, TRUE);
+		if ((dev->sync.state == FREEZE_BOTH_NEXT_EVENT) &&
+		    (CLIENT_BITS(dev->grab->resource) ==
+		     CLIENT_BITS(thisDev->grab->resource)))
+		    dev->sync.state = FROZEN_NO_EVENT;
+		else
+		    dev->sync.other = thisDev->grab;
+	    }
+	    /* fall through */
+	case FREEZE_NEXT_EVENT:
+	    thisDev->sync.state = FROZEN_WITH_EVENT;
+	    FreezeThaw(thisDev, TRUE);
+	    if (thisDev->sync.evcount < count)
+	    {
+		Must_have_memory = TRUE; /* XXX */
+		thisDev->sync.event = (xEvent *)xrealloc(thisDev->sync.event,
+							 count*sizeof(xEvent));
+		Must_have_memory = FALSE; /* XXX */
+	    }
+	    thisDev->sync.evcount = count;
+	    for (dxE = thisDev->sync.event; --count >= 0; dxE++, xE++)
+		*dxE = *xE;
+	    break;
+	}
+}
+
+void
+#ifdef XKB
+CoreProcessKeyboardEvent (register xEvent *xE, register DeviceIntPtr keybd, int count)
+#else
+ProcessKeyboardEvent (register xEvent *xE, register DeviceIntPtr keybd, int count)
+#endif
+{
+    int             key, bit;
+    register BYTE   *kptr;
+    register int    i;
+    register CARD8  modifiers;
+    register CARD16 mask;
+    GrabPtr         grab = keybd->grab;
+    Bool            deactivateGrab = FALSE;
+    register KeyClassPtr keyc = keybd->key;
+#ifdef XEVIE
+    static Window           rootWin = 0;
+
+    if(!xeviegrabState && xevieFlag && clients[xevieClientIndex] &&
+          (xevieMask & xevieFilters[xE->u.u.type])) {
+      key = xE->u.u.detail;
+      kptr = &keyc->down[key >> 3];
+      bit = 1 << (key & 7);
+      if((xE->u.u.type == KeyPress &&  (*kptr & bit)) ||
+         (xE->u.u.type == KeyRelease && !(*kptr & bit)))
+      {} else {
+#ifdef XKB
+        if(!noXkbExtension)
+	    xevieKBEventSent = 1;
+#endif
+        if(!xevieKBEventSent)
+        {
+          xeviekb = keybd;
+          if(!rootWin) {
+	      rootWin = GetCurrentRootWindow()->drawable.id;
+          }
+          xE->u.keyButtonPointer.event = xeviewin->drawable.id;
+          xE->u.keyButtonPointer.root = rootWin;
+          xE->u.keyButtonPointer.child = (xeviewin->firstChild) ? xeviewin->firstChild->
+drawable.id:0;
+          xE->u.keyButtonPointer.rootX = xeviehot.x;
+          xE->u.keyButtonPointer.rootY = xeviehot.y;
+          xE->u.keyButtonPointer.state = keyc->state;
+          WriteToClient(clients[xevieClientIndex], sizeof(xEvent), (char *)xE);
+#ifdef XKB
+          if(noXkbExtension)
+#endif
+            return;
+        } else {
+	    xevieKBEventSent = 0;
+        }
+      }
+    }
+#endif
+
+    if (!syncEvents.playingEvents)
+    {
+	NoticeTime(xE);
+	if (DeviceEventCallback)
+	{
+	    DeviceEventInfoRec eventinfo;
+	    eventinfo.events = xE;
+	    eventinfo.count = count;
+	    CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo);
+	}
+    }
+#ifdef XEVIE
+    /* fix for bug5094030: don't change the state bit if the event is from XEvIE client */
+    if(!(!xeviegrabState && xevieFlag && clients[xevieClientIndex] &&
+	 (xevieMask & xevieFilters[xE->u.u.type]
+#ifdef XKB
+	  && !noXkbExtension
+#endif
+    )))
+#endif
+    XE_KBPTR.state = (keyc->state | inputInfo.pointer->button->state);
+    XE_KBPTR.rootX = sprite.hot.x;
+    XE_KBPTR.rootY = sprite.hot.y;
+    key = xE->u.u.detail;
+    kptr = &keyc->down[key >> 3];
+    bit = 1 << (key & 7);
+    modifiers = keyc->modifierMap[key];
+#if defined(XKB) && defined(XEVIE)
+    if(!noXkbExtension && !xeviegrabState &&
+       xevieFlag && clients[xevieClientIndex] &&
+       (xevieMask & xevieFilters[xE->u.u.type])) {
+	switch(xE->u.u.type) {
+	  case KeyPress: *kptr &= ~bit; break;
+	  case KeyRelease: *kptr |= bit; break;
+	}
+    }
+#endif
+
+#ifdef DEBUG
+    if ((xkbDebugFlags&0x4)&&
+	((xE->u.u.type==KeyPress)||(xE->u.u.type==KeyRelease))) {
+	ErrorF("CoreProcessKbdEvent: Key %d %s\n",key,
+			(xE->u.u.type==KeyPress?"down":"up"));
+    }
+#endif
+    switch (xE->u.u.type)
+    {
+	case KeyPress: 
+	    if (*kptr & bit) /* allow ddx to generate multiple downs */
+	    {   
+		if (!modifiers)
+		{
+		    xE->u.u.type = KeyRelease;
+		    (*keybd->public.processInputProc)(xE, keybd, count);
+		    xE->u.u.type = KeyPress;
+		    /* release can have side effects, don't fall through */
+		    (*keybd->public.processInputProc)(xE, keybd, count);
+		}
+		return;
+	    }
+	    inputInfo.pointer->valuator->motionHintWindow = NullWindow;
+	    *kptr |= bit;
+	    keyc->prev_state = keyc->state;
+	    for (i = 0, mask = 1; modifiers; i++, mask <<= 1)
+	    {
+		if (mask & modifiers)
+		{
+		    /* This key affects modifier "i" */
+		    keyc->modifierKeyCount[i]++;
+		    keyc->state |= mask;
+		    modifiers &= ~mask;
+		}
+	    }
+	    if (!grab && CheckDeviceGrabs(keybd, xE, 0, count))
+	    {
+		keybd->activatingKey = key;
+		return;
+	    }
+	    break;
+	case KeyRelease: 
+	    if (!(*kptr & bit)) /* guard against duplicates */
+		return;
+	    inputInfo.pointer->valuator->motionHintWindow = NullWindow;
+	    *kptr &= ~bit;
+	    keyc->prev_state = keyc->state;
+	    for (i = 0, mask = 1; modifiers; i++, mask <<= 1)
+	    {
+		if (mask & modifiers) {
+		    /* This key affects modifier "i" */
+		    if (--keyc->modifierKeyCount[i] <= 0) {
+			keyc->state &= ~mask;
+			keyc->modifierKeyCount[i] = 0;
+		    }
+		    modifiers &= ~mask;
+		}
+	    }
+	    if (keybd->fromPassiveGrab && (key == keybd->activatingKey))
+		deactivateGrab = TRUE;
+	    break;
+	default: 
+	    FatalError("Impossible keyboard event");
+    }
+    if (grab)
+	DeliverGrabbedEvent(xE, keybd, deactivateGrab, count);
+    else
+	DeliverFocusedEvent(keybd, xE, sprite.win, count);
+    if (deactivateGrab)
+    #ifdef NX_DEBUG_INPUT
+    {
+      if (nxagentDebugInputDevices == 1)
+      {
+        fprintf(stderr, "ProcessKeyboardEvent: Deactivating grab on keyboard.\n");
+      }
+    #endif
+        (*keybd->DeactivateGrab)(keybd);
+    #ifdef NX_DEBUG_INPUT
+    }
+    #endif
+}
+
+#ifdef XKB
+/* This function is used to set the key pressed or key released state -
+   this is only used when the pressing of keys does not cause 
+   CoreProcessKeyEvent to be called, as in for example Mouse Keys.
+*/
+void
+FixKeyState (register xEvent *xE, register DeviceIntPtr keybd)
+{
+    int             key, bit;
+    register BYTE   *kptr;
+    register KeyClassPtr keyc = keybd->key;
+
+    key = xE->u.u.detail;
+    kptr = &keyc->down[key >> 3];
+    bit = 1 << (key & 7);
+#ifdef DEBUG
+    if ((xkbDebugFlags&0x4)&&
+	((xE->u.u.type==KeyPress)||(xE->u.u.type==KeyRelease))) {
+	ErrorF("FixKeyState: Key %d %s\n",key,
+			(xE->u.u.type==KeyPress?"down":"up"));
+    }
+#endif
+    switch (xE->u.u.type)
+    {
+	case KeyPress: 
+	    *kptr |= bit;
+	    break;
+	case KeyRelease: 
+	    *kptr &= ~bit;
+	    break;
+	default: 
+	    FatalError("Impossible keyboard event");
+    }
+}
+#endif
+
+void
+#ifdef XKB
+CoreProcessPointerEvent (register xEvent *xE, register DeviceIntPtr mouse, int count)
+#else
+ProcessPointerEvent (register xEvent *xE, register DeviceIntPtr mouse, int count)
+#endif
+{
+    register GrabPtr	grab = mouse->grab;
+    Bool                deactivateGrab = FALSE;
+    register ButtonClassPtr butc = mouse->button;
+#ifdef XKB
+    XkbSrvInfoPtr xkbi;
+
+    xkbi = inputInfo.keyboard->key->xkbInfo;
+#endif
+#ifdef XEVIE
+    if(xevieFlag && clients[xevieClientIndex] && !xeviegrabState &&
+       (xevieMask & xevieFilters[xE->u.u.type])) {
+      if(xevieEventSent)
+        xevieEventSent = 0;
+      else {
+        xeviemouse = mouse;
+        #ifdef NX_DEBUG_INPUT
+        if (nxagentDebugInput == 1)
+        {
+          fprintf(stderr, "ProcessPointerEvent: Going to send XEVIE event.\n");
+        }
+        #endif
+        WriteToClient(clients[xevieClientIndex], sizeof(xEvent), (char *)xE);
+        return;
+      }
+    }
+#endif
+
+    if (!syncEvents.playingEvents)
+	NoticeTime(xE)
+    XE_KBPTR.state = (butc->state | (
+#ifdef XKB
+			(noXkbExtension ?
+				inputInfo.keyboard->key->state :
+				xkbi->state.grab_mods)
+#else
+			inputInfo.keyboard->key->state
+#endif
+				    ));
+    {
+	NoticeTime(xE);
+	if (DeviceEventCallback)
+	{
+	    DeviceEventInfoRec eventinfo;
+	    /* see comment in EnqueueEvents regarding the next three lines */
+	    if (xE->u.u.type == MotionNotify)
+		XE_KBPTR.root =
+		    WindowTable[sprite.hotPhys.pScreen->myNum]->drawable.id;
+	    eventinfo.events = xE;
+	    eventinfo.count = count;
+	    CallCallbacks(&DeviceEventCallback, (pointer)&eventinfo);
+	}
+    }
+    if (xE->u.u.type != MotionNotify)
+    {
+	register int  key;
+	register BYTE *kptr;
+	int           bit;
+
+	XE_KBPTR.rootX = sprite.hot.x;
+	XE_KBPTR.rootY = sprite.hot.y;
+
+	key = xE->u.u.detail;
+	kptr = &butc->down[key >> 3];
+	bit = 1 << (key & 7);
+	switch (xE->u.u.type)
+	{
+	case ButtonPress: 
+	    mouse->valuator->motionHintWindow = NullWindow;
+	    if (!(*kptr & bit))
+		butc->buttonsDown++;
+	    butc->motionMask = ButtonMotionMask;
+	    *kptr |= bit;
+#if !defined(XFree86Server) || !defined(XINPUT)
+	    xE->u.u.detail = butc->map[key];
+#endif
+	    #ifdef NX_DEBUG_INPUT
+	    if (xE->u.u.detail == 0)
+	    {
+		if (nxagentDebugInput == 1)
+		{
+		    fprintf(stderr, "ProcessPointerEvent: WARNING! detail == 0"
+			    " for ButtonPress.\n");
+		}
+		return;
+	    }
+	    #else
+	    if (xE->u.u.detail == 0)
+		return;
+	    #endif
+	    if (xE->u.u.detail <= 5)
+		butc->state |= (Button1Mask >> 1) << xE->u.u.detail;
+	    filters[MotionNotify] = Motion_Filter(butc);
+	    if (!grab)
+	    #ifdef NX_DEBUG_INPUT
+		if (CheckDeviceGrabs(mouse, xE, 0, count))
+		{
+		    if (nxagentDebugInput == 1)
+		    {
+			fprintf(stderr, "ProcessPointerEvent: CheckDeviceGrabs"
+				" returned True for ButtonPress.\n");
+		    }
+		    return;
+		}
+	    #else
+		if (CheckDeviceGrabs(mouse, xE, 0, count))
+		    return;
+	    #endif
+	    break;
+	case ButtonRelease: 
+	    mouse->valuator->motionHintWindow = NullWindow;
+	    if (*kptr & bit)
+		--butc->buttonsDown;
+	    if (!butc->buttonsDown)
+		butc->motionMask = 0;
+	    *kptr &= ~bit;
+#if !defined(XFree86Server) || !defined(XINPUT)
+	    xE->u.u.detail = butc->map[key];
+#endif
+	    #ifdef NX_DEBUG_INPUT
+	    if (xE->u.u.detail == 0)
+	    {
+		if (nxagentDebugInput == 1)
+		{
+		    fprintf(stderr, "ProcessPointerEvent: WARNING! detail == 0"
+			    " for ButtonRelease.\n");
+		}
+		return;
+	    }
+	    #else
+	    if (xE->u.u.detail == 0)
+		return;
+	    #endif
+	    if (xE->u.u.detail <= 5)
+		butc->state &= ~((Button1Mask >> 1) << xE->u.u.detail);
+	    filters[MotionNotify] = Motion_Filter(butc);
+	    if (!butc->state && mouse->fromPassiveGrab)
+		deactivateGrab = TRUE;
+	    break;
+	default: 
+	    FatalError("bogus pointer event from ddx");
+	}
+    }
+    #ifdef NX_DEBUG_INPUT
+    else if (!CheckMotion(xE))
+    {
+	if (nxagentDebugInput == 1)
+	{
+	    fprintf(stderr, "ProcessPointerEvent: CheckMotion returned False"
+		    " for MotionNotify.\n");
+	}
+	return;
+    }
+    if (grab)
+    {
+	if (nxagentDebugInput == 1)
+	{
+	    fprintf(stderr, "ProcessPointerEvent: Going to deliver grabbed "
+		    "events (count = %d).\n", count);
+	}
+	DeliverGrabbedEvent(xE, mouse, deactivateGrab, count);
+    }
+    else
+    {
+	if (nxagentDebugInput == 1)
+	{
+	    fprintf(stderr, "ProcessPointerEvent: Going to deliver device "
+		    "events (count = %d).\n", count);
+	}
+	DeliverDeviceEvents(sprite.win, xE, NullGrab, NullWindow,
+			    mouse, count);
+    }
+    #else
+    else if (!CheckMotion(xE))
+	return;
+    if (grab)
+	DeliverGrabbedEvent(xE, mouse, deactivateGrab, count);
+    else
+	DeliverDeviceEvents(sprite.win, xE, NullGrab, NullWindow,
+			    mouse, count);
+    #endif
+    if (deactivateGrab)
+    #ifdef NX_DEBUG_INPUT
+    {
+      if (nxagentDebugInputDevices == 1)
+      {
+        fprintf(stderr, "ProcessPointerEvent: Deactivating grab on pointer.\n");
+      }
+    #endif
+        (*mouse->DeactivateGrab)(mouse);
+    #ifdef NX_DEBUG_INPUT
+    }
+    #endif
+}
+
+#define AtMostOneClient \
+	(SubstructureRedirectMask | ResizeRedirectMask | ButtonPressMask)
+
+void
+RecalculateDeliverableEvents(pWin)
+    register WindowPtr pWin;
+{
+    register OtherClients *others;
+    register WindowPtr pChild;
+
+    pChild = pWin;
+    while (1)
+    {
+	if (pChild->optional)
+	{
+	    pChild->optional->otherEventMasks = 0;
+	    for (others = wOtherClients(pChild); others; others = others->next)
+	    {
+		pChild->optional->otherEventMasks |= others->mask;
+	    }
+	}
+	pChild->deliverableEvents = pChild->eventMask|
+				    wOtherEventMasks(pChild);
+	if (pChild->parent)
+	    pChild->deliverableEvents |=
+		(pChild->parent->deliverableEvents &
+		 ~wDontPropagateMask(pChild) & PropagateMask);
+	if (pChild->firstChild)
+	{
+	    pChild = pChild->firstChild;
+	    continue;
+	}
+	while (!pChild->nextSib && (pChild != pWin))
+	    pChild = pChild->parent;
+	if (pChild == pWin)
+	    break;
+	pChild = pChild->nextSib;
+    }
+}
+
+/**
+ *
+ *  \param value must conform to DeleteType
+ */
+int
+OtherClientGone(pointer value, XID id)
+{
+    register OtherClientsPtr other, prev;
+    register WindowPtr pWin = (WindowPtr)value;
+
+    prev = 0;
+    for (other = wOtherClients(pWin); other; other = other->next)
+    {
+	if (other->resource == id)
+	{
+	    if (prev)
+		prev->next = other->next;
+	    else
+	    {
+		if (!(pWin->optional->otherClients = other->next))
+		    CheckWindowOptionalNeed (pWin);
+	    }
+	    xfree(other);
+	    RecalculateDeliverableEvents(pWin);
+	    return(Success);
+	}
+	prev = other;
+    }
+    FatalError("client not on event list");
+    /*NOTREACHED*/
+    return -1; /* make compiler happy */
+}
+
+int
+EventSelectForWindow(register WindowPtr pWin, register ClientPtr client, Mask mask)
+{
+    Mask check;
+    OtherClients * others;
+
+    if (mask & ~AllEventMasks)
+    {
+	client->errorValue = mask;
+	return BadValue;
+    }
+    check = (mask & AtMostOneClient);
+    if (check & (pWin->eventMask|wOtherEventMasks(pWin)))
+    {				       /* It is illegal for two different
+				          clients to select on any of the
+				          events for AtMostOneClient. However,
+				          it is OK, for some client to
+				          continue selecting on one of those
+				          events.  */
+	if ((wClient(pWin) != client) && (check & pWin->eventMask))
+	    return BadAccess;
+	for (others = wOtherClients (pWin); others; others = others->next)
+	{
+	    if (!SameClient(others, client) && (check & others->mask))
+		return BadAccess;
+	}
+    }
+    if (wClient (pWin) == client)
+    {
+	check = pWin->eventMask;
+#ifdef SGIMISC
+	pWin->eventMask =
+	    (mask & ~SGIMiscSpecialDestroyMask) | (pWin->eventMask & SGIMiscSpecialDestroyMask);
+#else
+	pWin->eventMask = mask;
+#endif
+    }
+    else
+    {
+	for (others = wOtherClients (pWin); others; others = others->next)
+	{
+	    if (SameClient(others, client))
+	    {
+		check = others->mask;
+#ifdef SGIMISC
+		mask = (mask & ~SGIMiscSpecialDestroyMask) | (others->mask & SGIMiscSpecialDestroyMask);
+#endif
+		if (mask == 0)
+		{
+		    FreeResource(others->resource, RT_NONE);
+		    return Success;
+		}
+		else
+		    others->mask = mask;
+		goto maskSet;
+	    }
+	}
+	check = 0;
+	if (!pWin->optional && !MakeWindowOptional (pWin))
+	    return BadAlloc;
+	others = (OtherClients *) xalloc(sizeof(OtherClients));
+	if (!others)
+	    return BadAlloc;
+	others->mask = mask;
+	others->resource = FakeClientID(client->index);
+	others->next = pWin->optional->otherClients;
+	pWin->optional->otherClients = others;
+	if (!AddResource(others->resource, RT_OTHERCLIENT, (pointer)pWin))
+	    return BadAlloc;
+    }
+maskSet: 
+    if ((inputInfo.pointer->valuator->motionHintWindow == pWin) &&
+	(mask & PointerMotionHintMask) &&
+	!(check & PointerMotionHintMask) &&
+	!inputInfo.pointer->grab)
+	inputInfo.pointer->valuator->motionHintWindow = NullWindow;
+    RecalculateDeliverableEvents(pWin);
+    return Success;
+}
+
+int
+EventSuppressForWindow(register WindowPtr pWin, register ClientPtr client, 
+                       Mask mask, Bool *checkOptional)
+{
+    register int i, free;
+
+    if ((mask & ~PropagateMask) && !permitOldBugs)
+    {
+	client->errorValue = mask;
+	return BadValue;
+    }
+    if (pWin->dontPropagate)
+	DontPropagateRefCnts[pWin->dontPropagate]--;
+    if (!mask)
+	i = 0;
+    else
+    {
+	for (i = DNPMCOUNT, free = 0; --i > 0; )
+	{
+	    if (!DontPropagateRefCnts[i])
+		free = i;
+	    else if (mask == DontPropagateMasks[i])
+		break;
+	}
+	if (!i && free)
+	{
+	    i = free;
+	    DontPropagateMasks[i] = mask;
+	}
+    }
+    if (i || !mask)
+    {
+	pWin->dontPropagate = i;
+	if (i)
+	    DontPropagateRefCnts[i]++;
+	if (pWin->optional)
+	{
+	    pWin->optional->dontPropagateMask = mask;
+	    *checkOptional = TRUE;
+	}
+    }
+    else
+    {
+	if (!pWin->optional && !MakeWindowOptional (pWin))
+	{
+	    if (pWin->dontPropagate)
+		DontPropagateRefCnts[pWin->dontPropagate]++;
+	    return BadAlloc;
+	}
+	pWin->dontPropagate = 0;
+        pWin->optional->dontPropagateMask = mask;
+    }
+    RecalculateDeliverableEvents(pWin);
+    return Success;
+}
+
+static WindowPtr 
+CommonAncestor(
+    register WindowPtr a,
+    register WindowPtr b)
+{
+    for (b = b->parent; b; b = b->parent)
+	if (IsParent(b, a)) return b;
+    return NullWindow;
+}
+
+static void
+EnterLeaveEvent(
+    int type,
+    int mode,
+    int detail,
+    register WindowPtr pWin,
+    Window child)
+{
+    xEvent		event;
+    register DeviceIntPtr keybd = inputInfo.keyboard;
+    WindowPtr		focus;
+    register DeviceIntPtr mouse = inputInfo.pointer;
+    register GrabPtr	grab = mouse->grab;
+    Mask		mask;
+
+    if ((pWin == mouse->valuator->motionHintWindow) &&
+	(detail != NotifyInferior))
+	mouse->valuator->motionHintWindow = NullWindow;
+    if (grab)
+    {
+	mask = (pWin == grab->window) ? grab->eventMask : 0;
+	if (grab->ownerEvents)
+	    mask |= EventMaskForClient(pWin, rClient(grab));
+    }
+    else
+    {
+	mask = pWin->eventMask | wOtherEventMasks(pWin);
+    }
+    if (mask & filters[type])
+    {
+	event.u.u.type = type;
+	event.u.u.detail = detail;
+	event.u.enterLeave.time = currentTime.milliseconds;
+	event.u.enterLeave.rootX = sprite.hot.x;
+	event.u.enterLeave.rootY = sprite.hot.y;
+	/* Counts on the same initial structure of crossing & button events! */
+	FixUpEventFromWindow(&event, pWin, None, FALSE);
+	/* Enter/Leave events always set child */
+	event.u.enterLeave.child = child;
+	event.u.enterLeave.flags = event.u.keyButtonPointer.sameScreen ?
+					    ELFlagSameScreen : 0;
+#ifdef XKB
+	if (!noXkbExtension) {
+	    event.u.enterLeave.state = mouse->button->state & 0x1f00;
+	    event.u.enterLeave.state |= 
+			XkbGrabStateFromRec(&keybd->key->xkbInfo->state);
+	} else
+#endif
+	event.u.enterLeave.state = keybd->key->state | mouse->button->state;
+	event.u.enterLeave.mode = mode;
+	focus = keybd->focus->win;
+	if ((focus != NoneWin) &&
+	    ((pWin == focus) || (focus == PointerRootWin) ||
+	     IsParent(focus, pWin)))
+	    event.u.enterLeave.flags |= ELFlagFocus;
+	if (grab)
+	    (void)TryClientEvents(rClient(grab), &event, 1, mask,
+				  filters[type], grab);
+	else
+	    (void)DeliverEventsToWindow(pWin, &event, 1, filters[type],
+					NullGrab, 0);
+    }
+    if ((type == EnterNotify) && (mask & KeymapStateMask))
+    {
+	xKeymapEvent ke;
+
+#ifdef XCSECURITY
+	ClientPtr client = grab ? rClient(grab)
+				: clients[CLIENT_ID(pWin->drawable.id)];
+	if (!SecurityCheckDeviceAccess(client, keybd, FALSE))
+	{
+	    bzero((char *)&ke.map[0], 31);
+	}
+	else
+#endif
+	memmove((char *)&ke.map[0], (char *)&keybd->key->down[1], 31);
+	ke.type = KeymapNotify;
+	if (grab)
+	    (void)TryClientEvents(rClient(grab), (xEvent *)&ke, 1, mask,
+				  KeymapStateMask, grab);
+	else
+	    (void)DeliverEventsToWindow(pWin, (xEvent *)&ke, 1,
+					KeymapStateMask, NullGrab, 0);
+    }
+}
+
+static void
+EnterNotifies(WindowPtr ancestor, WindowPtr child, int mode, int detail)
+{
+    WindowPtr	parent = child->parent;
+
+    if (ancestor == parent)
+	return;
+    EnterNotifies(ancestor, parent, mode, detail);
+    EnterLeaveEvent(EnterNotify, mode, detail, parent, child->drawable.id);
+}
+
+static void
+LeaveNotifies(WindowPtr child, WindowPtr ancestor, int mode, int detail)
+{
+    register WindowPtr  pWin;
+
+    if (ancestor == child)
+	return;
+    for (pWin = child->parent; pWin != ancestor; pWin = pWin->parent)
+    {
+	EnterLeaveEvent(LeaveNotify, mode, detail, pWin, child->drawable.id);
+	child = pWin;
+    }
+}
+
+static void
+DoEnterLeaveEvents(WindowPtr fromWin, WindowPtr toWin, int mode)
+{
+    if (fromWin == toWin)
+	return;
+    if (IsParent(fromWin, toWin))
+    {
+	EnterLeaveEvent(LeaveNotify, mode, NotifyInferior, fromWin, None);
+	EnterNotifies(fromWin, toWin, mode, NotifyVirtual);
+	EnterLeaveEvent(EnterNotify, mode, NotifyAncestor, toWin, None);
+    }
+    else if (IsParent(toWin, fromWin))
+    {
+	EnterLeaveEvent(LeaveNotify, mode, NotifyAncestor, fromWin, None);
+	LeaveNotifies(fromWin, toWin, mode, NotifyVirtual);
+	EnterLeaveEvent(EnterNotify, mode, NotifyInferior, toWin, None);
+    }
+    else
+    { /* neither fromWin nor toWin is descendent of the other */
+	WindowPtr common = CommonAncestor(toWin, fromWin);
+	/* common == NullWindow ==> different screens */
+	EnterLeaveEvent(LeaveNotify, mode, NotifyNonlinear, fromWin, None);
+	LeaveNotifies(fromWin, common, mode, NotifyNonlinearVirtual);
+	EnterNotifies(common, toWin, mode, NotifyNonlinearVirtual);
+	EnterLeaveEvent(EnterNotify, mode, NotifyNonlinear, toWin, None);
+    }
+}
+
+static void
+FocusEvent(DeviceIntPtr dev, int type, int mode, int detail, register WindowPtr pWin)
+{
+    xEvent event;
+
+#ifdef XINPUT
+    if (dev != inputInfo.keyboard)
+    {
+	DeviceFocusEvent(dev, type, mode, detail, pWin);
+	return;
+    }
+#endif
+    event.u.focus.mode = mode;
+    event.u.u.type = type;
+    event.u.u.detail = detail;
+    event.u.focus.window = pWin->drawable.id;
+    (void)DeliverEventsToWindow(pWin, &event, 1, filters[type], NullGrab,
+				0);
+    if ((type == FocusIn) &&
+	((pWin->eventMask | wOtherEventMasks(pWin)) & KeymapStateMask))
+    {
+	xKeymapEvent ke;
+#ifdef XCSECURITY
+	ClientPtr client = clients[CLIENT_ID(pWin->drawable.id)];
+	if (!SecurityCheckDeviceAccess(client, dev, FALSE))
+	{
+	    bzero((char *)&ke.map[0], 31);
+	}
+	else
+#endif
+	memmove((char *)&ke.map[0], (char *)&dev->key->down[1], 31);
+	ke.type = KeymapNotify;
+	(void)DeliverEventsToWindow(pWin, (xEvent *)&ke, 1,
+				    KeymapStateMask, NullGrab, 0);
+    }
+}
+
+ /*
+  * recursive because it is easier
+  * no-op if child not descended from ancestor
+  */
+static Bool
+FocusInEvents(
+    DeviceIntPtr dev,
+    WindowPtr ancestor, WindowPtr child, WindowPtr skipChild,
+    int mode, int detail,
+    Bool doAncestor)
+{
+    if (child == NullWindow)
+	return ancestor == NullWindow;
+    if (ancestor == child)
+    {
+	if (doAncestor)
+	    FocusEvent(dev, FocusIn, mode, detail, child);
+	return TRUE;
+    }
+    if (FocusInEvents(dev, ancestor, child->parent, skipChild, mode, detail,
+		      doAncestor))
+    {
+	if (child != skipChild)
+	    FocusEvent(dev, FocusIn, mode, detail, child);
+	return TRUE;
+    }
+    return FALSE;
+}
+
+/* dies horribly if ancestor is not an ancestor of child */
+static void
+FocusOutEvents(
+    DeviceIntPtr dev,
+    WindowPtr child, WindowPtr ancestor,
+    int mode, int detail,
+    Bool doAncestor)
+{
+    register WindowPtr  pWin;
+
+    for (pWin = child; pWin != ancestor; pWin = pWin->parent)
+	FocusEvent(dev, FocusOut, mode, detail, pWin);
+    if (doAncestor)
+	FocusEvent(dev, FocusOut, mode, detail, ancestor);
+}
+
+void
+DoFocusEvents(DeviceIntPtr dev, WindowPtr fromWin, WindowPtr toWin, int mode)
+{
+    int     out, in;		       /* for holding details for to/from
+				          PointerRoot/None */
+    int     i;
+
+    if (fromWin == toWin)
+	return;
+    out = (fromWin == NoneWin) ? NotifyDetailNone : NotifyPointerRoot;
+    in = (toWin == NoneWin) ? NotifyDetailNone : NotifyPointerRoot;
+ /* wrong values if neither, but then not referenced */
+
+    if ((toWin == NullWindow) || (toWin == PointerRootWin))
+    {
+	if ((fromWin == NullWindow) || (fromWin == PointerRootWin))
+   	{
+	    if (fromWin == PointerRootWin)
+		FocusOutEvents(dev, sprite.win, ROOT, mode, NotifyPointer,
+			       TRUE);
+	    /* Notify all the roots */
+#ifdef PANORAMIX
+ 	    if ( !noPanoramiXExtension )
+	        FocusEvent(dev, FocusOut, mode, out, WindowTable[0]);
+	    else 
+#endif
+	        for (i=0; i<screenInfo.numScreens; i++)
+	            FocusEvent(dev, FocusOut, mode, out, WindowTable[i]);
+	}
+	else
+	{
+	    if (IsParent(fromWin, sprite.win))
+	      FocusOutEvents(dev, sprite.win, fromWin, mode, NotifyPointer,
+			     FALSE);
+	    FocusEvent(dev, FocusOut, mode, NotifyNonlinear, fromWin);
+	    /* next call catches the root too, if the screen changed */
+	    FocusOutEvents(dev, fromWin->parent, NullWindow, mode,
+			   NotifyNonlinearVirtual, FALSE);
+	}
+	/* Notify all the roots */
+#ifdef PANORAMIX
+	if ( !noPanoramiXExtension )
+	    FocusEvent(dev, FocusIn, mode, in, WindowTable[0]);
+	else 
+#endif
+	    for (i=0; i<screenInfo.numScreens; i++)
+	        FocusEvent(dev, FocusIn, mode, in, WindowTable[i]);
+	if (toWin == PointerRootWin)
+	    (void)FocusInEvents(dev, ROOT, sprite.win, NullWindow, mode,
+				NotifyPointer, TRUE);
+    }
+    else
+    {
+	if ((fromWin == NullWindow) || (fromWin == PointerRootWin))
+	{
+	    if (fromWin == PointerRootWin)
+		FocusOutEvents(dev, sprite.win, ROOT, mode, NotifyPointer,
+			       TRUE);
+#ifdef PANORAMIX
+ 	    if ( !noPanoramiXExtension )
+	        FocusEvent(dev, FocusOut, mode, out, WindowTable[0]);
+	    else 
+#endif
+	        for (i=0; i<screenInfo.numScreens; i++)
+	            FocusEvent(dev, FocusOut, mode, out, WindowTable[i]);
+	    if (toWin->parent != NullWindow)
+	      (void)FocusInEvents(dev, ROOT, toWin, toWin, mode,
+				  NotifyNonlinearVirtual, TRUE);
+	    FocusEvent(dev, FocusIn, mode, NotifyNonlinear, toWin);
+	    if (IsParent(toWin, sprite.win))
+    	       (void)FocusInEvents(dev, toWin, sprite.win, NullWindow, mode,
+				   NotifyPointer, FALSE);
+	}
+	else
+	{
+	    if (IsParent(toWin, fromWin))
+	    {
+		FocusEvent(dev, FocusOut, mode, NotifyAncestor, fromWin);
+		FocusOutEvents(dev, fromWin->parent, toWin, mode,
+			       NotifyVirtual, FALSE);
+		FocusEvent(dev, FocusIn, mode, NotifyInferior, toWin);
+		if ((IsParent(toWin, sprite.win)) &&
+			(sprite.win != fromWin) &&
+			(!IsParent(fromWin, sprite.win)) &&
+			(!IsParent(sprite.win, fromWin)))
+		    (void)FocusInEvents(dev, toWin, sprite.win, NullWindow,
+					mode, NotifyPointer, FALSE);
+	    }
+	    else
+		if (IsParent(fromWin, toWin))
+		{
+		    if ((IsParent(fromWin, sprite.win)) &&
+			    (sprite.win != fromWin) &&
+			    (!IsParent(toWin, sprite.win)) &&
+			    (!IsParent(sprite.win, toWin)))
+			FocusOutEvents(dev, sprite.win, fromWin, mode,
+				       NotifyPointer, FALSE);
+		    FocusEvent(dev, FocusOut, mode, NotifyInferior, fromWin);
+		    (void)FocusInEvents(dev, fromWin, toWin, toWin, mode,
+					NotifyVirtual, FALSE);
+		    FocusEvent(dev, FocusIn, mode, NotifyAncestor, toWin);
+		}
+		else
+		{
+		/* neither fromWin or toWin is child of other */
+		    WindowPtr common = CommonAncestor(toWin, fromWin);
+		/* common == NullWindow ==> different screens */
+		    if (IsParent(fromWin, sprite.win))
+			FocusOutEvents(dev, sprite.win, fromWin, mode,
+				       NotifyPointer, FALSE);
+		    FocusEvent(dev, FocusOut, mode, NotifyNonlinear, fromWin);
+		    if (fromWin->parent != NullWindow)
+		      FocusOutEvents(dev, fromWin->parent, common, mode,
+				     NotifyNonlinearVirtual, FALSE);
+		    if (toWin->parent != NullWindow)
+		      (void)FocusInEvents(dev, common, toWin, toWin, mode,
+					  NotifyNonlinearVirtual, FALSE);
+		    FocusEvent(dev, FocusIn, mode, NotifyNonlinear, toWin);
+		    if (IsParent(toWin, sprite.win))
+			(void)FocusInEvents(dev, toWin, sprite.win, NullWindow,
+					    mode, NotifyPointer, FALSE);
+		}
+	}
+    }
+}
+
+int
+SetInputFocus(
+    ClientPtr client,
+    DeviceIntPtr dev,
+    Window focusID,
+    CARD8 revertTo,
+    Time ctime,
+    Bool followOK)
+{
+    register FocusClassPtr focus;
+    register WindowPtr focusWin;
+    int mode;
+    TimeStamp time;
+
+    UpdateCurrentTime();
+    if ((revertTo != RevertToParent) &&
+	(revertTo != RevertToPointerRoot) &&
+	(revertTo != RevertToNone) &&
+	((revertTo != RevertToFollowKeyboard) || !followOK))
+    {
+	client->errorValue = revertTo;
+	return BadValue;
+    }
+    time = ClientTimeToServerTime(ctime);
+    if ((focusID == None) || (focusID == PointerRoot))
+	focusWin = (WindowPtr)(long)focusID;
+    else if ((focusID == FollowKeyboard) && followOK)
+	focusWin = inputInfo.keyboard->focus->win;
+    else if (!(focusWin = SecurityLookupWindow(focusID, client,
+					       SecurityReadAccess)))
+	return BadWindow;
+    else
+    {
+ 	/* It is a match error to try to set the input focus to an 
+	unviewable window. */
+
+	if(!focusWin->realized)
+	    return(BadMatch);
+    }
+    focus = dev->focus;
+    if ((CompareTimeStamps(time, currentTime) == LATER) ||
+	(CompareTimeStamps(time, focus->time) == EARLIER))
+	return Success;
+    mode = (dev->grab) ? NotifyWhileGrabbed : NotifyNormal;
+    if (focus->win == FollowKeyboardWin)
+	DoFocusEvents(dev, inputInfo.keyboard->focus->win, focusWin, mode);
+    else
+	DoFocusEvents(dev, focus->win, focusWin, mode);
+    focus->time = time;
+    focus->revert = revertTo;
+    if (focusID == FollowKeyboard)
+	focus->win = FollowKeyboardWin;
+    else
+	focus->win = focusWin;
+    if ((focusWin == NoneWin) || (focusWin == PointerRootWin))
+	focus->traceGood = 0;
+    else
+    {
+        int depth = 0;
+	register WindowPtr pWin;
+
+        for (pWin = focusWin; pWin; pWin = pWin->parent) depth++;
+        if (depth > focus->traceSize)
+        {
+	    focus->traceSize = depth+1;
+	    Must_have_memory = TRUE; /* XXX */
+	    focus->trace = (WindowPtr *)xrealloc(focus->trace,
+						 focus->traceSize *
+						 sizeof(WindowPtr));
+	    Must_have_memory = FALSE; /* XXX */
+	}
+	focus->traceGood = depth;
+        for (pWin = focusWin, depth--; pWin; pWin = pWin->parent, depth--) 
+	    focus->trace[depth] = pWin;
+    }
+    return Success;
+}
+
+int
+ProcSetInputFocus(client)
+    ClientPtr client;
+{
+    REQUEST(xSetInputFocusReq);
+
+    REQUEST_SIZE_MATCH(xSetInputFocusReq);
+#ifdef XCSECURITY
+    if (!SecurityCheckDeviceAccess(client, inputInfo.keyboard, TRUE))
+	return Success;
+#endif
+    return SetInputFocus(client, inputInfo.keyboard, stuff->focus,
+			 stuff->revertTo, stuff->time, FALSE);
+}
+
+int
+ProcGetInputFocus(ClientPtr client)
+{
+    xGetInputFocusReply rep;
+    /* REQUEST(xReq); */
+    FocusClassPtr focus = inputInfo.keyboard->focus;
+
+    REQUEST_SIZE_MATCH(xReq);
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    if (focus->win == NoneWin)
+	rep.focus = None;
+    else if (focus->win == PointerRootWin)
+	rep.focus = PointerRoot;
+    else rep.focus = focus->win->drawable.id;
+    rep.revertTo = focus->revert;
+    WriteReplyToClient(client, sizeof(xGetInputFocusReply), &rep);
+    return Success;
+}
+
+int
+ProcGrabPointer(ClientPtr client)
+{
+    xGrabPointerReply rep;
+    DeviceIntPtr device = inputInfo.pointer;
+    GrabPtr grab;
+    WindowPtr pWin, confineTo;
+    CursorPtr cursor, oldCursor;
+    REQUEST(xGrabPointerReq);
+    TimeStamp time;
+
+    REQUEST_SIZE_MATCH(xGrabPointerReq);
+    UpdateCurrentTime();
+    if ((stuff->pointerMode != GrabModeSync) &&
+	(stuff->pointerMode != GrabModeAsync))
+    {
+	client->errorValue = stuff->pointerMode;
+        return BadValue;
+    }
+    if ((stuff->keyboardMode != GrabModeSync) &&
+	(stuff->keyboardMode != GrabModeAsync))
+    {
+	client->errorValue = stuff->keyboardMode;
+        return BadValue;
+    }
+    if ((stuff->ownerEvents != xFalse) && (stuff->ownerEvents != xTrue))
+    {
+	client->errorValue = stuff->ownerEvents;
+        return BadValue;
+    }
+    if ((stuff->eventMask & ~PointerGrabMask) && !permitOldBugs)
+    {
+	client->errorValue = stuff->eventMask;
+        return BadValue;
+    }
+    pWin = SecurityLookupWindow(stuff->grabWindow, client, SecurityReadAccess);
+    if (!pWin)
+	return BadWindow;
+    #ifdef NX_DEBUG_INPUT
+    if (nxagentDebugInputDevices == 1)
+    {
+      fprintf(stderr, "ProcGrabPointer: pWin [%p] client [%d].\n", pWin, client -> index);
+    }
+    #endif
+    if (stuff->confineTo == None)
+	confineTo = NullWindow;
+    else 
+    {
+	confineTo = SecurityLookupWindow(stuff->confineTo, client,
+					 SecurityReadAccess);
+	if (!confineTo)
+	    return BadWindow;
+    }
+    if (stuff->cursor == None)
+	cursor = NullCursor;
+    else
+    {
+	cursor = (CursorPtr)SecurityLookupIDByType(client, stuff->cursor,
+						RT_CURSOR, SecurityReadAccess);
+	if (!cursor)
+	{
+	    client->errorValue = stuff->cursor;
+	    return BadCursor;
+	}
+    }
+	/* at this point, some sort of reply is guaranteed. */
+    time = ClientTimeToServerTime(stuff->time);
+    rep.type = X_Reply;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    grab = device->grab;
+    if ((grab) && !SameClient(grab, client))
+	rep.status = AlreadyGrabbed;
+    else if ((!pWin->realized) ||
+             (confineTo &&
+                !(confineTo->realized && BorderSizeNotEmpty(confineTo))))
+	rep.status = GrabNotViewable;
+    else if (device->sync.frozen &&
+	     device->sync.other && !SameClient(device->sync.other, client))
+	rep.status = GrabFrozen;
+    else if ((CompareTimeStamps(time, currentTime) == LATER) ||
+	     (CompareTimeStamps(time, device->grabTime) == EARLIER))
+	rep.status = GrabInvalidTime;
+    else
+    {
+	GrabRec tempGrab;
+
+	oldCursor = NullCursor;
+	if (grab)
+ 	{
+	    if (grab->confineTo && !confineTo)
+		ConfineCursorToWindow(ROOT, FALSE, FALSE);
+	    oldCursor = grab->cursor;
+	}
+	tempGrab.cursor = cursor;
+	tempGrab.resource = client->clientAsMask;
+	tempGrab.ownerEvents = stuff->ownerEvents;
+	tempGrab.eventMask = stuff->eventMask;
+	tempGrab.confineTo = confineTo;
+	tempGrab.window = pWin;
+	tempGrab.keyboardMode = stuff->keyboardMode;
+	tempGrab.pointerMode = stuff->pointerMode;
+	tempGrab.device = device;
+        #ifdef NX_DEBUG_INPUT
+        if (nxagentDebugInputDevices == 1)
+        {
+          fprintf(stderr, "ProcGrabPointer: Activating active grab on pointer.\n");
+        }
+        #endif
+	(*device->ActivateGrab)(device, &tempGrab, time, FALSE);
+	if (oldCursor)
+	    FreeCursor (oldCursor, (Cursor)0);
+	rep.status = GrabSuccess;
+    }
+    WriteReplyToClient(client, sizeof(xGrabPointerReply), &rep);
+    return Success;
+}
+
+int
+ProcChangeActivePointerGrab(ClientPtr client)
+{
+    DeviceIntPtr device = inputInfo.pointer;
+    register GrabPtr grab = device->grab;
+    CursorPtr newCursor, oldCursor;
+    REQUEST(xChangeActivePointerGrabReq);
+    TimeStamp time;
+
+    REQUEST_SIZE_MATCH(xChangeActivePointerGrabReq);
+    if ((stuff->eventMask & ~PointerGrabMask) && !permitOldBugs)
+    {
+	client->errorValue = stuff->eventMask;
+        return BadValue;
+    }
+    if (stuff->cursor == None)
+	newCursor = NullCursor;
+    else
+    {
+	newCursor = (CursorPtr)SecurityLookupIDByType(client, stuff->cursor,
+						RT_CURSOR, SecurityReadAccess);
+	if (!newCursor)
+	{
+	    client->errorValue = stuff->cursor;
+	    return BadCursor;
+	}
+    }
+    if (!grab)
+	return Success;
+    if (!SameClient(grab, client))
+	return Success;
+    time = ClientTimeToServerTime(stuff->time);
+    if ((CompareTimeStamps(time, currentTime) == LATER) ||
+	     (CompareTimeStamps(time, device->grabTime) == EARLIER))
+	return Success;
+    oldCursor = grab->cursor;
+    grab->cursor = newCursor;
+    if (newCursor)
+	newCursor->refcnt++;
+    PostNewCursor();
+    if (oldCursor)
+	FreeCursor(oldCursor, (Cursor)0);
+    grab->eventMask = stuff->eventMask;
+    return Success;
+}
+
+int
+ProcUngrabPointer(ClientPtr client)
+{
+    DeviceIntPtr device = inputInfo.pointer;
+    GrabPtr grab;
+    TimeStamp time;
+    REQUEST(xResourceReq);
+
+    #ifdef NX_DEBUG_INPUT
+    if (nxagentDebugInputDevices == 1)
+    {
+      fprintf(stderr, "ProcUngrabPointer: client [%d].\n", client -> index);
+    }
+    #endif
+    REQUEST_SIZE_MATCH(xResourceReq);
+    UpdateCurrentTime();
+    grab = device->grab;
+    time = ClientTimeToServerTime(stuff->id);
+    if ((CompareTimeStamps(time, currentTime) != LATER) &&
+	    (CompareTimeStamps(time, device->grabTime) != EARLIER) &&
+	    (grab) && SameClient(grab, client))
+    #ifdef NX_DEBUG_INPUT
+    {
+      if (nxagentDebugInputDevices == 1)
+      {
+        fprintf(stderr, "ProcUngrabPointer: Deactivating grab on pointer.\n");
+      }
+    #endif
+	(*device->DeactivateGrab)(device);
+    #ifdef NX_DEBUG_INPUT
+    }
+    else
+    {
+      if (nxagentDebugInputDevices == 1)
+      {
+        fprintf(stderr, "ProcUngrabPointer: current time [%lu] request time [%lu] grab time [%lu].\n",
+                    currentTime.milliseconds, time.milliseconds, device->grabTime.milliseconds);
+      }
+    }
+    #endif
+    return Success;
+}
+
+int
+GrabDevice(register ClientPtr client, register DeviceIntPtr dev, 
+           unsigned this_mode, unsigned other_mode, Window grabWindow, 
+           unsigned ownerEvents, Time ctime, Mask mask, CARD8 *status)
+{
+    register WindowPtr pWin;
+    register GrabPtr grab;
+    TimeStamp time;
+
+    UpdateCurrentTime();
+    if ((this_mode != GrabModeSync) && (this_mode != GrabModeAsync))
+    {
+	client->errorValue = this_mode;
+        return BadValue;
+    }
+    if ((other_mode != GrabModeSync) && (other_mode != GrabModeAsync))
+    {
+	client->errorValue = other_mode;
+        return BadValue;
+    }
+    if ((ownerEvents != xFalse) && (ownerEvents != xTrue))
+    {
+	client->errorValue = ownerEvents;
+        return BadValue;
+    }
+    pWin = SecurityLookupWindow(grabWindow, client, SecurityReadAccess);
+    if (!pWin)
+	return BadWindow;
+    time = ClientTimeToServerTime(ctime);
+    grab = dev->grab;
+    if (grab && !SameClient(grab, client))
+	*status = AlreadyGrabbed;
+    else if (!pWin->realized)
+	*status = GrabNotViewable;
+    else if ((CompareTimeStamps(time, currentTime) == LATER) ||
+	     (CompareTimeStamps(time, dev->grabTime) == EARLIER))
+	*status = GrabInvalidTime;
+    else if (dev->sync.frozen &&
+	     dev->sync.other && !SameClient(dev->sync.other, client))
+	*status = GrabFrozen;
+    else
+    {
+	GrabRec tempGrab;
+
+	tempGrab.window = pWin;
+	tempGrab.resource = client->clientAsMask;
+	tempGrab.ownerEvents = ownerEvents;
+	tempGrab.keyboardMode = this_mode;
+	tempGrab.pointerMode = other_mode;
+	tempGrab.eventMask = mask;
+	tempGrab.device = dev;
+        #ifdef NX_DEBUG_INPUT
+        if (nxagentDebugInputDevices == 1)
+        {
+          fprintf(stderr, "GrabDevice: Activating active grab on keyboard.\n");
+        }
+        #endif
+	(*dev->ActivateGrab)(dev, &tempGrab, time, FALSE);
+	*status = GrabSuccess;
+    }
+    return Success;
+}
+
+int
+ProcGrabKeyboard(ClientPtr client)
+{
+    xGrabKeyboardReply rep;
+    REQUEST(xGrabKeyboardReq);
+    int result;
+
+    #ifdef NX_DEBUG_INPUT
+    if (nxagentDebugInputDevices == 1)
+    {
+      fprintf(stderr, "ProcGrabKeyboard: client [%d].\n", client -> index);
+    }
+    #endif
+    REQUEST_SIZE_MATCH(xGrabKeyboardReq);
+#ifdef XCSECURITY
+    if (!SecurityCheckDeviceAccess(client, inputInfo.keyboard, TRUE))
+    {
+	result = Success;
+	rep.status = AlreadyGrabbed;
+    }
+    else
+#endif
+    result = GrabDevice(client, inputInfo.keyboard, stuff->keyboardMode,
+			stuff->pointerMode, stuff->grabWindow,
+			stuff->ownerEvents, stuff->time,
+			KeyPressMask | KeyReleaseMask, &rep.status);
+    if (result != Success)
+	return result;
+    rep.type = X_Reply;
+    rep.sequenceNumber = client->sequence;
+    rep.length = 0;
+    WriteReplyToClient(client, sizeof(xGrabKeyboardReply), &rep);
+    return Success;
+}
+
+int
+ProcUngrabKeyboard(ClientPtr client)
+{
+    DeviceIntPtr device = inputInfo.keyboard;
+    GrabPtr grab;
+    TimeStamp time;
+    REQUEST(xResourceReq);
+
+    #ifdef NX_DEBUG_INPUT
+    if (nxagentDebugInputDevices == 1)
+    {
+      fprintf(stderr, "ProcUngrabKeyboard: client [%d].\n", client -> index);
+    }
+    #endif
+    REQUEST_SIZE_MATCH(xResourceReq);
+    UpdateCurrentTime();
+    grab = device->grab;
+    time = ClientTimeToServerTime(stuff->id);
+    if ((CompareTimeStamps(time, currentTime) != LATER) &&
+	(CompareTimeStamps(time, device->grabTime) != EARLIER) &&
+	(grab) && SameClient(grab, client))
+    #ifdef NX_DEBUG_INPUT
+    {
+      if (nxagentDebugInputDevices == 1)
+      {
+        fprintf(stderr, "ProcUngrabKeyboard: Deactivating grab on keyboard.\n");
+      }
+    #endif
+	(*device->DeactivateGrab)(device);
+    #ifdef NX_DEBUG_INPUT
+    }
+    else
+    {
+      if (nxagentDebugInputDevices == 1)
+      {
+        fprintf(stderr, "ProcUngrabKeyboard: current time [%lu] request time [%lu] grab time [%lu].\n",
+                    currentTime.milliseconds, time.milliseconds, device->grabTime.milliseconds);
+      }
+    }
+    #endif
+    return Success;
+}
+
+int
+ProcQueryPointer(ClientPtr client)
+{
+    xQueryPointerReply rep;
+    WindowPtr pWin, t;
+    REQUEST(xResourceReq);
+    DeviceIntPtr mouse = inputInfo.pointer;
+
+    REQUEST_SIZE_MATCH(xResourceReq);
+    pWin = SecurityLookupWindow(stuff->id, client, SecurityReadAccess);
+    if (!pWin)
+	return BadWindow;
+    if (mouse->valuator->motionHintWindow)
+	MaybeStopHint(mouse, client);
+    rep.type = X_Reply;
+    rep.sequenceNumber = client->sequence;
+    rep.mask = mouse->button->state | inputInfo.keyboard->key->state;
+    rep.length = 0;
+    rep.root = (ROOT)->drawable.id;
+    rep.rootX = sprite.hot.x;
+    rep.rootY = sprite.hot.y;
+    rep.child = None;
+    if (sprite.hot.pScreen == pWin->drawable.pScreen)
+    {
+	rep.sameScreen = xTrue;
+	rep.winX = sprite.hot.x - pWin->drawable.x;
+	rep.winY = sprite.hot.y - pWin->drawable.y;
+	for (t = sprite.win; t; t = t->parent)
+	    if (t->parent == pWin)
+	    {
+		rep.child = t->drawable.id;
+		break;
+	    }
+    }
+    else
+    {
+	rep.sameScreen = xFalse;
+	rep.winX = 0;
+	rep.winY = 0;
+    }
+
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension) {
+	rep.rootX += panoramiXdataPtr[0].x;
+	rep.rootY += panoramiXdataPtr[0].y;
+	if(stuff->id == rep.root) {
+	    rep.winX += panoramiXdataPtr[0].x;
+	    rep.winY += panoramiXdataPtr[0].y;
+	}
+    }
+#endif
+
+    WriteReplyToClient(client, sizeof(xQueryPointerReply), &rep);
+
+    return(Success);    
+}
+
+void
+InitEvents()
+{
+    int i;
+
+    sprite.hot.pScreen = sprite.hotPhys.pScreen = (ScreenPtr)NULL;
+    inputInfo.numDevices = 0;
+    inputInfo.devices = (DeviceIntPtr)NULL;
+    inputInfo.off_devices = (DeviceIntPtr)NULL;
+    inputInfo.keyboard = (DeviceIntPtr)NULL;
+    inputInfo.pointer = (DeviceIntPtr)NULL;
+    if (spriteTraceSize == 0)
+    {
+	spriteTraceSize = 32;
+	spriteTrace = (WindowPtr *)xalloc(32*sizeof(WindowPtr));
+	if (!spriteTrace)
+	    FatalError("failed to allocate spriteTrace");
+    }
+    spriteTraceGood = 0;
+    lastEventMask = OwnerGrabButtonMask;
+    filters[MotionNotify] = PointerMotionMask;
+#ifdef XEVIE
+    xeviewin =
+#endif
+    sprite.win = NullWindow;
+    sprite.current = NullCursor;
+    sprite.hotLimits.x1 = 0;
+    sprite.hotLimits.y1 = 0;
+    sprite.hotLimits.x2 = 0;
+    sprite.hotLimits.y2 = 0;
+    sprite.confined = FALSE;
+    syncEvents.replayDev = (DeviceIntPtr)NULL;
+    syncEvents.replayWin = NullWindow;
+    while (syncEvents.pending)
+    {
+	QdEventPtr next = syncEvents.pending->next;
+	xfree(syncEvents.pending);
+	syncEvents.pending = next;
+    }
+    syncEvents.pendtail = &syncEvents.pending;
+    syncEvents.playingEvents = FALSE;
+    syncEvents.time.months = 0;
+    syncEvents.time.milliseconds = 0;	/* hardly matters */
+    currentTime.months = 0;
+    currentTime.milliseconds = GetTimeInMillis();
+    lastDeviceEventTime = currentTime;
+    for (i = 0; i < DNPMCOUNT; i++)
+    {
+	DontPropagateMasks[i] = 0;
+	DontPropagateRefCnts[i] = 0;
+    }
+}
+
+void
+CloseDownEvents(void)
+{
+  xfree(spriteTrace);
+  spriteTrace = NULL;
+  spriteTraceSize = 0;
+}
+
+int
+ProcSendEvent(ClientPtr client)
+{
+    WindowPtr pWin;
+    WindowPtr effectiveFocus = NullWindow; /* only set if dest==InputFocus */
+    REQUEST(xSendEventReq);
+
+    REQUEST_SIZE_MATCH(xSendEventReq);
+
+    /* The client's event type must be a core event type or one defined by an
+	extension. */
+
+
+#ifdef NXAGENT_CLIPBOARD
+
+    if (stuff -> event.u.u.type == SelectionNotify)
+    {
+    	extern int nxagentSendNotify(xEvent*);
+	if (nxagentSendNotify(&stuff->event) == 1)
+	  return Success;
+    }
+#endif
+
+    if ( ! ((stuff->event.u.u.type > X_Reply &&
+	     stuff->event.u.u.type < LASTEvent) || 
+	    (stuff->event.u.u.type >= EXTENSION_EVENT_BASE &&
+	     stuff->event.u.u.type < (unsigned)lastEvent)))
+    {
+	client->errorValue = stuff->event.u.u.type;
+	return BadValue;
+    }
+    if (stuff->event.u.u.type == ClientMessage &&
+	stuff->event.u.u.detail != 8 &&
+	stuff->event.u.u.detail != 16 &&
+	stuff->event.u.u.detail != 32 &&
+	!permitOldBugs)
+    {
+	client->errorValue = stuff->event.u.u.detail;
+	return BadValue;
+    }
+    if ((stuff->eventMask & ~AllEventMasks) && !permitOldBugs)
+    {
+	client->errorValue = stuff->eventMask;
+	return BadValue;
+    }
+
+    if (stuff->destination == PointerWindow)
+	pWin = sprite.win;
+    else if (stuff->destination == InputFocus)
+    {
+	WindowPtr inputFocus = inputInfo.keyboard->focus->win;
+
+	if (inputFocus == NoneWin)
+	    return Success;
+
+	/* If the input focus is PointerRootWin, send the event to where
+	the pointer is if possible, then perhaps propogate up to root. */
+   	if (inputFocus == PointerRootWin)
+	    inputFocus = ROOT;
+
+	if (IsParent(inputFocus, sprite.win))
+	{
+	    effectiveFocus = inputFocus;
+	    pWin = sprite.win;
+	}
+	else
+	    effectiveFocus = pWin = inputFocus;
+    }
+    else
+	pWin = SecurityLookupWindow(stuff->destination, client,
+				    SecurityReadAccess);
+    if (!pWin)
+	return BadWindow;
+    if ((stuff->propagate != xFalse) && (stuff->propagate != xTrue))
+    {
+	client->errorValue = stuff->propagate;
+	return BadValue;
+    }
+    stuff->event.u.u.type |= 0x80;
+    if (stuff->propagate)
+    {
+	for (;pWin; pWin = pWin->parent)
+	{
+	    if (DeliverEventsToWindow(pWin, &stuff->event, 1, stuff->eventMask,
+				      NullGrab, 0))
+		return Success;
+	    if (pWin == effectiveFocus)
+		return Success;
+	    stuff->eventMask &= ~wDontPropagateMask(pWin);
+	    if (!stuff->eventMask)
+		break;
+	}
+    }
+    else
+	(void)DeliverEventsToWindow(pWin, &stuff->event, 1, stuff->eventMask,
+				    NullGrab, 0);
+    return Success;
+}
+
+int
+ProcUngrabKey(ClientPtr client)
+{
+    REQUEST(xUngrabKeyReq);
+    WindowPtr pWin;
+    GrabRec tempGrab;
+    DeviceIntPtr keybd = inputInfo.keyboard;
+
+    REQUEST_SIZE_MATCH(xUngrabKeyReq);
+    pWin = SecurityLookupWindow(stuff->grabWindow, client, SecurityReadAccess);
+    if (!pWin)
+	return BadWindow;
+
+    if (((stuff->key > keybd->key->curKeySyms.maxKeyCode) ||
+	 (stuff->key < keybd->key->curKeySyms.minKeyCode))
+	&& (stuff->key != AnyKey))
+    {
+	client->errorValue = stuff->key;
+        return BadValue;
+    }
+    if ((stuff->modifiers != AnyModifier) &&
+	(stuff->modifiers & ~AllModifiersMask))
+    {
+	client->errorValue = stuff->modifiers;
+	return BadValue;
+    }
+    tempGrab.resource = client->clientAsMask;
+    tempGrab.device = keybd;
+    tempGrab.window = pWin;
+    tempGrab.modifiersDetail.exact = stuff->modifiers;
+    tempGrab.modifiersDetail.pMask = NULL;
+    tempGrab.modifierDevice = inputInfo.keyboard;
+    tempGrab.type = KeyPress;
+    tempGrab.detail.exact = stuff->key;
+    tempGrab.detail.pMask = NULL;
+
+    if (!DeletePassiveGrabFromList(&tempGrab))
+	return(BadAlloc);
+    return(Success);
+}
+
+int
+ProcGrabKey(ClientPtr client)
+{
+    WindowPtr pWin;
+    REQUEST(xGrabKeyReq);
+    GrabPtr grab;
+    DeviceIntPtr keybd = inputInfo.keyboard;
+
+    REQUEST_SIZE_MATCH(xGrabKeyReq);
+    if ((stuff->ownerEvents != xTrue) && (stuff->ownerEvents != xFalse))
+    {
+	client->errorValue = stuff->ownerEvents;
+	return(BadValue);
+    }
+    if ((stuff->pointerMode != GrabModeSync) &&
+	(stuff->pointerMode != GrabModeAsync))
+    {
+	client->errorValue = stuff->pointerMode;
+        return BadValue;
+    }
+    if ((stuff->keyboardMode != GrabModeSync) &&
+	(stuff->keyboardMode != GrabModeAsync))
+    {
+	client->errorValue = stuff->keyboardMode;
+        return BadValue;
+    }
+    if (((stuff->key > keybd->key->curKeySyms.maxKeyCode) ||
+	 (stuff->key < keybd->key->curKeySyms.minKeyCode))
+	&& (stuff->key != AnyKey))
+    {
+	client->errorValue = stuff->key;
+        return BadValue;
+    }
+    if ((stuff->modifiers != AnyModifier) &&
+	(stuff->modifiers & ~AllModifiersMask))
+    {
+	client->errorValue = stuff->modifiers;
+	return BadValue;
+    }
+    pWin = SecurityLookupWindow(stuff->grabWindow, client, SecurityReadAccess);
+    if (!pWin)
+	return BadWindow;
+
+    grab = CreateGrab(client->index, keybd, pWin, 
+	(Mask)(KeyPressMask | KeyReleaseMask), (Bool)stuff->ownerEvents,
+	(Bool)stuff->keyboardMode, (Bool)stuff->pointerMode,
+	keybd, stuff->modifiers, KeyPress, stuff->key, 
+	NullWindow, NullCursor);
+    if (!grab)
+	return BadAlloc;
+    return AddPassiveGrabToList(grab);
+}
+
+
+int
+ProcGrabButton(ClientPtr client)
+{
+    WindowPtr pWin, confineTo;
+    REQUEST(xGrabButtonReq);
+    CursorPtr cursor;
+    GrabPtr grab;
+
+    REQUEST_SIZE_MATCH(xGrabButtonReq);
+    if ((stuff->pointerMode != GrabModeSync) &&
+	(stuff->pointerMode != GrabModeAsync))
+    {
+	client->errorValue = stuff->pointerMode;
+        return BadValue;
+    }
+    if ((stuff->keyboardMode != GrabModeSync) &&
+	(stuff->keyboardMode != GrabModeAsync))
+    {
+	client->errorValue = stuff->keyboardMode;
+        return BadValue;
+    }
+    if ((stuff->modifiers != AnyModifier) &&
+	(stuff->modifiers & ~AllModifiersMask))
+    {
+	client->errorValue = stuff->modifiers;
+	return BadValue;
+    }
+    if ((stuff->ownerEvents != xFalse) && (stuff->ownerEvents != xTrue))
+    {
+	client->errorValue = stuff->ownerEvents;
+	return BadValue;
+    }
+    if (stuff->eventMask & ~PointerGrabMask)
+    {
+	client->errorValue = stuff->eventMask;
+        return BadValue;
+    }
+    pWin = SecurityLookupWindow(stuff->grabWindow, client, SecurityReadAccess);
+    if (!pWin)
+	return BadWindow;
+    if (stuff->confineTo == None)
+       confineTo = NullWindow;
+    else {
+	confineTo = SecurityLookupWindow(stuff->confineTo, client,
+					 SecurityReadAccess);
+	if (!confineTo)
+	    return BadWindow;
+    }
+    if (stuff->cursor == None)
+	cursor = NullCursor;
+    else
+    {
+	cursor = (CursorPtr)SecurityLookupIDByType(client, stuff->cursor,
+						RT_CURSOR, SecurityReadAccess);
+	if (!cursor)
+	{
+	    client->errorValue = stuff->cursor;
+	    return BadCursor;
+	}
+    }
+
+
+    grab = CreateGrab(client->index, inputInfo.pointer, pWin, 
+    permitOldBugs ? (Mask)(stuff->eventMask |
+			       ButtonPressMask | ButtonReleaseMask) :
+			(Mask)stuff->eventMask,
+	(Bool)stuff->ownerEvents, (Bool) stuff->keyboardMode,
+	(Bool)stuff->pointerMode, inputInfo.keyboard, stuff->modifiers,
+	ButtonPress, stuff->button, confineTo, cursor);
+    if (!grab)
+	return BadAlloc;
+    return AddPassiveGrabToList(grab);
+}
+
+int
+ProcUngrabButton(ClientPtr client)
+{
+    REQUEST(xUngrabButtonReq);
+    WindowPtr pWin;
+    GrabRec tempGrab;
+
+    REQUEST_SIZE_MATCH(xUngrabButtonReq);
+    if ((stuff->modifiers != AnyModifier) &&
+	(stuff->modifiers & ~AllModifiersMask))
+    {
+	client->errorValue = stuff->modifiers;
+	return BadValue;
+    }
+    pWin = SecurityLookupWindow(stuff->grabWindow, client, SecurityReadAccess);
+    if (!pWin)
+	return BadWindow;
+    tempGrab.resource = client->clientAsMask;
+    tempGrab.device = inputInfo.pointer;
+    tempGrab.window = pWin;
+    tempGrab.modifiersDetail.exact = stuff->modifiers;
+    tempGrab.modifiersDetail.pMask = NULL;
+    tempGrab.modifierDevice = inputInfo.keyboard;
+    tempGrab.type = ButtonPress;
+    tempGrab.detail.exact = stuff->button;
+    tempGrab.detail.pMask = NULL;
+
+    if (!DeletePassiveGrabFromList(&tempGrab))
+	return(BadAlloc);
+    return(Success);
+}
+
+void
+DeleteWindowFromAnyEvents(WindowPtr pWin, Bool freeResources)
+{
+    WindowPtr		parent;
+    DeviceIntPtr	mouse = inputInfo.pointer;
+    DeviceIntPtr	keybd = inputInfo.keyboard;
+    FocusClassPtr	focus = keybd->focus;
+    OtherClientsPtr	oc;
+    GrabPtr		passive;
+
+
+    /* Deactivate any grabs performed on this window, before making any
+	input focus changes. */
+
+    if (mouse->grab &&
+	((mouse->grab->window == pWin) || (mouse->grab->confineTo == pWin)))
+	(*mouse->DeactivateGrab)(mouse);
+
+    /* Deactivating a keyboard grab should cause focus events. */
+
+    if (keybd->grab && (keybd->grab->window == pWin))
+	(*keybd->DeactivateGrab)(keybd);
+
+    /* If the focus window is a root window (ie. has no parent) then don't 
+	delete the focus from it. */
+    
+    if ((pWin == focus->win) && (pWin->parent != NullWindow))
+    {
+	int focusEventMode = NotifyNormal;
+
+ 	/* If a grab is in progress, then alter the mode of focus events. */
+
+	if (keybd->grab)
+	    focusEventMode = NotifyWhileGrabbed;
+
+	switch (focus->revert)
+	{
+	case RevertToNone:
+	    DoFocusEvents(keybd, pWin, NoneWin, focusEventMode);
+	    focus->win = NoneWin;
+	    focus->traceGood = 0;
+	    break;
+	case RevertToParent:
+	    parent = pWin;
+	    do
+	    {
+		parent = parent->parent;
+		focus->traceGood--;
+	    } while (!parent->realized
+/* This would be a good protocol change -- windows being reparented
+   during SaveSet processing would cause the focus to revert to the
+   nearest enclosing window which will survive the death of the exiting
+   client, instead of ending up reverting to a dying window and thence
+   to None
+ */
+#ifdef NOTDEF
+ 	      || clients[CLIENT_ID(parent->drawable.id)]->clientGone
+#endif
+		);
+	    DoFocusEvents(keybd, pWin, parent, focusEventMode);
+	    focus->win = parent;
+	    focus->revert = RevertToNone;
+	    break;
+	case RevertToPointerRoot:
+	    DoFocusEvents(keybd, pWin, PointerRootWin, focusEventMode);
+	    focus->win = PointerRootWin;
+	    focus->traceGood = 0;
+	    break;
+	}
+    }
+
+    if (mouse->valuator->motionHintWindow == pWin)
+	mouse->valuator->motionHintWindow = NullWindow;
+
+    if (freeResources)
+    {
+	if (pWin->dontPropagate)
+	    DontPropagateRefCnts[pWin->dontPropagate]--;
+	while ( (oc = wOtherClients(pWin)) )
+	    FreeResource(oc->resource, RT_NONE);
+	while ( (passive = wPassiveGrabs(pWin)) )
+	    FreeResource(passive->resource, RT_NONE);
+     }
+#ifdef XINPUT
+    DeleteWindowFromAnyExtEvents(pWin, freeResources);
+#endif
+}
+
+/**
+ * Call this whenever some window at or below pWin has changed geometry 
+ */
+void
+CheckCursorConfinement(WindowPtr pWin)
+{
+    GrabPtr grab = inputInfo.pointer->grab;
+    WindowPtr confineTo;
+
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension && pWin->drawable.pScreen->myNum) return;
+#endif
+
+    if (grab && (confineTo = grab->confineTo))
+    {
+	if (!BorderSizeNotEmpty(confineTo))
+	    (*inputInfo.pointer->DeactivateGrab)(inputInfo.pointer);
+	else if ((pWin == confineTo) || IsParent(pWin, confineTo))
+	    ConfineCursorToWindow(confineTo, TRUE, TRUE);
+    }
+}
+
+Mask
+EventMaskForClient(WindowPtr pWin, ClientPtr client)
+{
+    register OtherClientsPtr	other;
+
+    if (wClient (pWin) == client)
+	return pWin->eventMask;
+    for (other = wOtherClients(pWin); other; other = other->next)
+    {
+	if (SameClient(other, client))
+	    return other->mask;
+    }
+    return 0;
+}
+
+int
+ProcRecolorCursor(ClientPtr client)
+{
+    CursorPtr pCursor;
+    int		nscr;
+    ScreenPtr	pscr;
+    Bool 	displayed;
+    REQUEST(xRecolorCursorReq);
+
+    REQUEST_SIZE_MATCH(xRecolorCursorReq);
+    pCursor = (CursorPtr)SecurityLookupIDByType(client, stuff->cursor,
+					RT_CURSOR, SecurityWriteAccess);
+    if ( !pCursor) 
+    {
+	client->errorValue = stuff->cursor;
+	return (BadCursor);
+    }
+
+    pCursor->foreRed = stuff->foreRed;
+    pCursor->foreGreen = stuff->foreGreen;
+    pCursor->foreBlue = stuff->foreBlue;
+
+    pCursor->backRed = stuff->backRed;
+    pCursor->backGreen = stuff->backGreen;
+    pCursor->backBlue = stuff->backBlue;
+
+    for (nscr = 0; nscr < screenInfo.numScreens; nscr++)
+    {
+	pscr = screenInfo.screens[nscr];
+#ifdef PANORAMIX
+	if(!noPanoramiXExtension)
+	    displayed = (pscr == sprite.screen);
+	else
+#endif
+	    displayed = (pscr == sprite.hotPhys.pScreen);
+	( *pscr->RecolorCursor)(pscr, pCursor,
+				(pCursor == sprite.current) && displayed);
+    }
+    return (Success);
+}
+
+void
+WriteEventsToClient(ClientPtr pClient, int count, xEvent *events)
+{
+#ifdef PANORAMIX
+    xEvent    eventCopy;
+#endif
+    xEvent    eventTo, *eventFrom;
+    int       i;
+
+#ifdef XKB
+    if ((!noXkbExtension)&&(!XkbFilterEvents(pClient, count, events)))
+	return;
+#endif
+
+#ifdef PANORAMIX
+    if(!noPanoramiXExtension && 
+       (panoramiXdataPtr[0].x || panoramiXdataPtr[0].y)) 
+    {
+	switch(events->u.u.type) {
+	case MotionNotify:
+	case ButtonPress:
+	case ButtonRelease:
+	case KeyPress:
+	case KeyRelease:
+	case EnterNotify:
+	case LeaveNotify:
+	/* 
+	   When multiple clients want the same event DeliverEventsToWindow
+	   passes the same event structure multiple times so we can't 
+	   modify the one passed to us 
+        */
+	    count = 1;  /* should always be 1 */
+	    memcpy(&eventCopy, events, sizeof(xEvent));
+	    eventCopy.u.keyButtonPointer.rootX += panoramiXdataPtr[0].x;
+	    eventCopy.u.keyButtonPointer.rootY += panoramiXdataPtr[0].y;
+	    if(eventCopy.u.keyButtonPointer.event == 
+	       eventCopy.u.keyButtonPointer.root) 
+	    {
+		eventCopy.u.keyButtonPointer.eventX += panoramiXdataPtr[0].x;
+		eventCopy.u.keyButtonPointer.eventY += panoramiXdataPtr[0].y;
+	    }
+	    events = &eventCopy;
+	    break;
+	default: break;
+	}
+    }
+#endif
+
+    if (EventCallback)
+    {
+	EventInfoRec eventinfo;
+	eventinfo.client = pClient;
+	eventinfo.events = events;
+	eventinfo.count = count;
+	CallCallbacks(&EventCallback, (pointer)&eventinfo);
+    }
+    if(pClient->swapped)
+    {
+	for(i = 0; i < count; i++)
+	{
+	    eventFrom = &events[i];
+	    /* Remember to strip off the leading bit of type in case
+	       this event was sent with "SendEvent." */
+	    (*EventSwapVector[eventFrom->u.u.type & 0177])
+		(eventFrom, &eventTo);
+	    (void)WriteToClient(pClient, sizeof(xEvent), (char *)&eventTo);
+	}
+    }
+    else
+    {
+	(void)WriteToClient(pClient, count * sizeof(xEvent), (char *) events);
+    }
+}