hw/nxagent/NXmiwindow.c: Drop complete file.

Reasoning:

(1) The diff between this file and mi/miwindow.c is so minimal, we simply
apply the change to mi/miwindow.c.

(2) In recent X.org, the fixed code has gone, so this patch won't exist
after having rebased nx-libs against X.org.

4 files changed, 19 insertions, 1215 deletions

diff --git a/nx-X11/programs/Xserver/Imakefile b/nx-X11/programs/Xserver/Imakefile
index 9a20c3f49..3e320f8e1 100644
--- a/nx-X11/programs/Xserver/Imakefile
+++ b/nx-X11/programs/Xserver/Imakefile
@@ -360,7 +360,6 @@ NXAGENTOBJS = hw/nxagent/miinitext.o     \
               hw/nxagent/NXmiglyph.o     \
               hw/nxagent/NXmiexpose.o    \
               hw/nxagent/NXresource.o    \
-              hw/nxagent/NXmiwindow.o    \
               hw/nxagent/NXdamage.o
 #elif !defined(LynxOSArchitecture) && \
       !defined(Win32Architecture) && \
@@ -381,7 +380,6 @@ NXAGENTOBJS = hw/nxagent/miinitext.o     \
               hw/nxagent/NXmiglyph.o     \
               hw/nxagent/NXmiexpose.o    \
               hw/nxagent/NXresource.o    \
-              hw/nxagent/NXmiwindow.o    \
               hw/nxagent/NXdamage.o
 #else
 NXAGENTOBJS = hw/nxagent/miinitext.o     \
@@ -400,7 +398,6 @@ NXAGENTOBJS = hw/nxagent/miinitext.o     \
               hw/nxagent/NXmiglyph.o     \
               hw/nxagent/NXmiexpose.o    \
               hw/nxagent/NXresource.o    \
-              hw/nxagent/NXmiwindow.o    \
               hw/nxagent/NXdamage.o      \
               dix/main.o
 #endif
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Imakefile b/nx-X11/programs/Xserver/hw/nxagent/Imakefile
index 121a1c774..905bfa92f 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Imakefile
+++ b/nx-X11/programs/Xserver/hw/nxagent/Imakefile
@@ -23,7 +23,6 @@ SRCS =  NXwindow.c \
         NXmiglyph.c \
         NXmiexpose.c \
         NXresource.c \
-        NXmiwindow.c \
 	NXdamage.c \
 	NXmitrap.c \
 	Args.c \
@@ -85,7 +84,6 @@ OBJS =  NXwindow.o \
         NXmiglyph.o \
         NXmiexpose.o \
         NXresource.o \
-        NXmiwindow.o \
 	NXdamage.o \
 	NXmitrap.o \
 	Args.o \
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXmiwindow.c b/nx-X11/programs/Xserver/hw/nxagent/NXmiwindow.c
deleted file mode 100644
index 56237605e..000000000
--- a/nx-X11/programs/Xserver/hw/nxagent/NXmiwindow.c
+++ /dev/null
@@ -1,1209 +0,0 @@
-/**************************************************************************/
-/*                                                                        */
-/* 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.                                                   */
-/*                                                                        */
-/**************************************************************************/
-
-/* $XFree86: xc/programs/Xserver/mi/miwindow.c,v 1.9tsi 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.
-
-******************************************************************/
-/* $Xorg: miwindow.c,v 1.4 2001/02/09 02:05:22 xorgcvs Exp $ */
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <nx-X11/X.h>
-#include "regionstr.h"
-#include "region.h"
-#include "mi.h"
-#include "windowstr.h"
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "mivalidate.h"
-
-void 
-miClearToBackground(pWin, x, y, w, h, generateExposures)
-    WindowPtr pWin;
-    int x,y;
-    int w,h;
-    Bool generateExposures;
-{
-    BoxRec box;
-    RegionRec	reg;
-    RegionPtr pBSReg = NullRegion;
-    ScreenPtr	pScreen;
-    BoxPtr  extents;
-    int	    x1, y1, x2, y2;
-
-    /* compute everything using ints to avoid overflow */
-
-    x1 = pWin->drawable.x + x;
-    y1 = pWin->drawable.y + y;
-    if (w)
-        x2 = x1 + (int) w;
-    else
-        x2 = x1 + (int) pWin->drawable.width - (int) x;
-    if (h)
-        y2 = y1 + h;	
-    else
-        y2 = y1 + (int) pWin->drawable.height - (int) y;
-
-    extents = &pWin->clipList.extents;
-    
-    /* clip the resulting rectangle to the window clipList extents.  This
-     * makes sure that the result will fit in a box, given that the
-     * screen is < 32768 on a side.
-     */
-
-    if (x1 < extents->x1)
-	x1 = extents->x1;
-    if (x2 > extents->x2)
-	x2 = extents->x2;
-    if (y1 < extents->y1)
-	y1 = extents->y1;
-    if (y2 > extents->y2)
-	y2 = extents->y2;
-
-    if (x2 <= x1 || y2 <= y1)
-    {
-	x2 = x1 = 0;
-	y2 = y1 = 0;
-    }
-
-    box.x1 = x1;
-    box.x2 = x2;
-    box.y1 = y1;
-    box.y2 = y2;
-
-    pScreen = pWin->drawable.pScreen;
-    RegionInit(&reg, &box, 1);
-    if (pWin->backStorage)
-    {
-	/*
-	 * If the window has backing-store on, call through the
-	 * ClearToBackground vector to handle the special semantics
-	 * (i.e. things backing store is to be cleared out and
-	 * an Expose event is to be generated for those areas in backing
-	 * store if generateExposures is TRUE).
-	 */
-	pBSReg = (* pScreen->ClearBackingStore)(pWin, x, y, w, h,
-						 generateExposures);
-    }
-
-    RegionIntersect(&reg, &reg, &pWin->clipList);
-    if (generateExposures)
-	(*pScreen->WindowExposures)(pWin, &reg, pBSReg);
-    else if (pWin->backgroundState != None)
-        (*pScreen->PaintWindowBackground)(pWin, &reg, PW_BACKGROUND);
-    RegionUninit(&reg);
-    if (pBSReg)
-	RegionDestroy(pBSReg);
-}
-
-/*
- * For SaveUnders using backing-store. The idea is that when a window is mapped
- * with saveUnder set TRUE, any windows it obscures will have its backing
- * store turned on setting the DIXsaveUnder bit,
- * The backing-store code must be written to allow for this
- */
-
-/*-
- *-----------------------------------------------------------------------
- * miCheckSubSaveUnder --
- *	Check all the inferiors of a window for coverage by saveUnder
- *	windows. Called from ChangeSaveUnder and CheckSaveUnder.
- *	This code is very inefficient.
- *
- * Results:
- *	TRUE if any windows need to have backing-store removed.
- *
- * Side Effects:
- *	Windows may have backing-store turned on or off.
- *
- *-----------------------------------------------------------------------
- */
-static Bool
-miCheckSubSaveUnder(
-    register WindowPtr	pParent,	/* Parent to check */
-    WindowPtr		pFirst,		/* first reconfigured window */
-    RegionPtr		pRegion)	/* Initial area obscured by saveUnder */
-{
-    register WindowPtr	pChild;		/* Current child */
-    register ScreenPtr	pScreen;	/* Screen to use */
-    RegionRec		SubRegion;	/* Area of children obscured */
-    Bool		res = FALSE;	/* result */
-    Bool		subInited=FALSE;/* SubRegion initialized */
-
-    pScreen = pParent->drawable.pScreen;
-    if ( (pChild = pParent->firstChild) )
-    {
-	/*
-	 * build region above first changed window
-	 */
-
-	for (; pChild != pFirst; pChild = pChild->nextSib)
-	    if (pChild->viewable && pChild->saveUnder)
-		RegionUnion(pRegion, pRegion, &pChild->borderSize);
-	
-	/*
-	 * check region below and including first changed window
-	 */
-
-	for (; pChild; pChild = pChild->nextSib)
-	{
-	    if (pChild->viewable)
-	    {
-		/*
-		 * don't save under nephew/niece windows;
-		 * use a separate region
-		 */
-
-		if (pChild->firstChild)
-		{
-		    if (!subInited)
-		    {
-			RegionNull(&SubRegion);
-			subInited = TRUE;
-		    }
-		    RegionCopy(&SubRegion, pRegion);
-		    res |= miCheckSubSaveUnder(pChild, pChild->firstChild,
-					     &SubRegion);
-		}
-		else
-		{
-		    res |= miCheckSubSaveUnder(pChild, pChild->firstChild,
-					     pRegion);
-		}
-
-		if (pChild->saveUnder)
-		    RegionUnion(pRegion, pRegion, &pChild->borderSize);
-	    }
-	}
-
-	if (subInited)
-	    RegionUninit(&SubRegion);
-    }
-
-    /*
-     * Check the state of this window.	DIX save unders are
-     * enabled for viewable windows with some client expressing
-     * exposure interest and which intersect the save under region
-     */
-
-    if (pParent->viewable && 
-	((pParent->eventMask | wOtherEventMasks(pParent)) & ExposureMask) &&
-	RegionNotEmpty(&pParent->borderSize) &&
-	RegionContainsRect(pRegion, RegionExtents(
-					&pParent->borderSize)) != rgnOUT)
-    {
-	if (!pParent->DIXsaveUnder)
-	{
-	    pParent->DIXsaveUnder = TRUE;
-	    (*pScreen->ChangeWindowAttributes) (pParent, CWBackingStore);
-	}
-    }
-    else
-    {
-	if (pParent->DIXsaveUnder)
-	{
-	    res = TRUE;
-	    pParent->DIXsaveUnder = FALSE;
-	}
-    }
-    return res;
-}
-
-
-/*-
- *-----------------------------------------------------------------------
- * miChangeSaveUnder --
- *	Change the save-under state of a tree of windows. Called when
- *	a window with saveUnder TRUE is mapped/unmapped/reconfigured.
- *	
- * Results:
- *	TRUE if any windows need to have backing-store removed (which
- *	means that PostChangeSaveUnder needs to be called later to 
- *	finish the job).
- *
- * Side Effects:
- *	Windows may have backing-store turned on or off.
- *
- *-----------------------------------------------------------------------
- */
-Bool
-miChangeSaveUnder(pWin, first)
-    register WindowPtr	pWin;
-    WindowPtr		first;		/* First window to check.
-					 * Used when pWin was restacked */
-{
-    RegionRec	rgn;	/* Area obscured by saveUnder windows */
-    Bool	res;
-
-    if (!deltaSaveUndersViewable && !numSaveUndersViewable)
-	return FALSE;
-    numSaveUndersViewable += deltaSaveUndersViewable;
-    deltaSaveUndersViewable = 0;
-    RegionNull(&rgn);
-    res = miCheckSubSaveUnder (pWin->parent,
-			       pWin->saveUnder ? first : pWin->nextSib,
-			       &rgn);
-    RegionUninit(&rgn);
-    return res;
-}
-
-/*-
- *-----------------------------------------------------------------------
- * miPostChangeSaveUnder --
- *	Actually turn backing-store off for those windows that no longer
- *	need to have it on.
- *
- * Results:
- *	None.
- *
- * Side Effects:
- *	Backing-store and SAVE_UNDER_CHANGE_BIT are turned off for those
- *	windows affected.
- *
- *-----------------------------------------------------------------------
- */
-void
-miPostChangeSaveUnder(pWin, pFirst)
-    WindowPtr		pWin;
-    WindowPtr		pFirst;
-{
-    register WindowPtr pParent, pChild;
-    ChangeWindowAttributesProcPtr ChangeWindowAttributes;
-
-    if (!(pParent = pWin->parent))
-	return;
-    ChangeWindowAttributes = pParent->drawable.pScreen->ChangeWindowAttributes;
-    if (!pParent->DIXsaveUnder &&
-	(pParent->backingStore == NotUseful) && pParent->backStorage)
-	(*ChangeWindowAttributes)(pParent, CWBackingStore);
-    if (!(pChild = pFirst))
-	return;
-    while (1)
-    {
-	if (!pChild->DIXsaveUnder &&
-	    (pChild->backingStore == NotUseful) && pChild->backStorage)
-	    (*ChangeWindowAttributes)(pChild, CWBackingStore);
-	if (pChild->firstChild)
-	{
-	    pChild = pChild->firstChild;
-	    continue;
-	}
-	while (!pChild->nextSib)
-	{
-	    pChild = pChild->parent;
-	    if (pChild == pParent)
-		return;
-	}
-	pChild = pChild->nextSib;
-    }
-}
-
-void
-miMarkWindow(pWin)
-    register WindowPtr pWin;
-{
-    register ValidatePtr val;
-
-    if (pWin->valdata)
-	return;
-    val = (ValidatePtr)xnfalloc(sizeof(ValidateRec));
-    val->before.oldAbsCorner.x = pWin->drawable.x;
-    val->before.oldAbsCorner.y = pWin->drawable.y;
-    val->before.borderVisible = NullRegion;
-    val->before.resized = FALSE;
-    pWin->valdata = val;
-}
-
-Bool
-miMarkOverlappedWindows(pWin, pFirst, ppLayerWin)
-    WindowPtr pWin;
-    WindowPtr pFirst;
-    WindowPtr *ppLayerWin;
-{
-    register BoxPtr box;
-    register WindowPtr pChild, pLast;
-    Bool anyMarked = FALSE;
-    MarkWindowProcPtr MarkWindow = pWin->drawable.pScreen->MarkWindow;
-
-    /* single layered systems are easy */
-    if (ppLayerWin) *ppLayerWin = pWin;
-
-    if (pWin == pFirst)
-    {
-	/* Blindly mark pWin and all of its inferiors.	 This is a slight
-	 * overkill if there are mapped windows that outside pWin's border,
-	 * but it's better than wasting time on RectIn checks.
-	 */
-	pChild = pWin;
-	while (1)
-	{
-	    if (pChild->viewable)
-	    {
-		if (RegionBroken(&pChild->winSize))
-		    SetWinSize (pChild);
-		if (RegionBroken(&pChild->borderSize))
-		    SetBorderSize (pChild);
-		(* MarkWindow)(pChild);
-		if (pChild->firstChild)
-		{
-		    pChild = pChild->firstChild;
-		    continue;
-		}
-	    }
-	    while (!pChild->nextSib && (pChild != pWin))
-		pChild = pChild->parent;
-	    if (pChild == pWin)
-		break;
-	    pChild = pChild->nextSib;
-	}
-	anyMarked = TRUE;
-	pFirst = pFirst->nextSib;
-    }
-    if ( (pChild = pFirst) )
-    {
-	box = RegionExtents(&pWin->borderSize);
-	pLast = pChild->parent->lastChild;
-	while (1)
-	{
-	    if (pChild->viewable)
-	    {
-		if (RegionBroken(&pChild->winSize))
-		    SetWinSize (pChild);
-		if (RegionBroken(&pChild->borderSize))
-		    SetBorderSize (pChild);
-		if (RegionContainsRect(&pChild->borderSize, box))
-		{
-		    (* MarkWindow)(pChild);
-		    anyMarked = TRUE;
-		    if (pChild->firstChild)
-		    {
-			pChild = pChild->firstChild;
-			continue;
-		    }
-		}
-	    }
-	    while (!pChild->nextSib && (pChild != pLast))
-		pChild = pChild->parent;
-	    if (pChild == pLast)
-		break;
-	    pChild = pChild->nextSib;
-	}
-    }
-    if (anyMarked)
-	(* MarkWindow)(pWin->parent);
-    return anyMarked;
-}
-
-/*****
- *  miHandleValidateExposures(pWin)
- *    starting at pWin, draw background in any windows that have exposure
- *    regions, translate the regions, restore any backing store,
- *    and then send any regions still exposed to the client
- *****/
-void
-miHandleValidateExposures(pWin)
-    WindowPtr pWin;
-{
-    register WindowPtr pChild;
-    register ValidatePtr val;
-    WindowExposuresProcPtr WindowExposures;
-
-    pChild = pWin;
-    WindowExposures = pChild->drawable.pScreen->WindowExposures;
-    while (1)
-    {
-	if ( (val = pChild->valdata) )
-	{
-	    if (RegionNotEmpty(&val->after.borderExposed))
-		(*pChild->drawable.pScreen->PaintWindowBorder)(pChild,
-						    &val->after.borderExposed,
-						    PW_BORDER);
-	    RegionUninit(&val->after.borderExposed);
-	    (*WindowExposures)(pChild, &val->after.exposed, NullRegion);
-	    RegionUninit(&val->after.exposed);
-	    xfree(val);
-	    pChild->valdata = (ValidatePtr)NULL;
-	    if (pChild->firstChild)
-	    {
-		pChild = pChild->firstChild;
-		continue;
-	    }
-	}
-	while (!pChild->nextSib && (pChild != pWin))
-	    pChild = pChild->parent;
-	if (pChild == pWin)
-	    break;
-	pChild = pChild->nextSib;
-    }
-}
-
-void
-miMoveWindow(pWin, x, y, pNextSib, kind)
-    register WindowPtr pWin;
-    int x,y;
-    WindowPtr pNextSib;
-    VTKind kind;
-{
-    WindowPtr pParent;
-    Bool WasViewable = (Bool)(pWin->viewable);
-    short bw;
-    RegionPtr oldRegion = NULL;
-    DDXPointRec oldpt;
-    Bool anyMarked = FALSE;
-    register ScreenPtr pScreen;
-    WindowPtr windowToValidate;
-#ifdef DO_SAVE_UNDERS
-    Bool dosave = FALSE;
-#endif
-    WindowPtr pLayerWin;
-
-    /* if this is a root window, can't be moved */
-    if (!(pParent = pWin->parent))
-       return ;
-    pScreen = pWin->drawable.pScreen;
-    bw = wBorderWidth (pWin);
-
-    oldpt.x = pWin->drawable.x;
-    oldpt.y = pWin->drawable.y;
-    if (WasViewable)
-    {
-	oldRegion = RegionCreate(NullBox, 1);
-	RegionCopy(oldRegion, &pWin->borderClip);
-	anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin, &pLayerWin);
-    }
-    pWin->origin.x = x + (int)bw;
-    pWin->origin.y = y + (int)bw;
-    x = pWin->drawable.x = pParent->drawable.x + x + (int)bw;
-    y = pWin->drawable.y = pParent->drawable.y + y + (int)bw;
-
-    SetWinSize (pWin);
-    SetBorderSize (pWin);
-
-    (*pScreen->PositionWindow)(pWin, x, y);
-
-    windowToValidate = MoveWindowInStack(pWin, pNextSib);
-
-    ResizeChildrenWinSize(pWin, x - oldpt.x, y - oldpt.y, 0, 0);
-
-    if (WasViewable)
-    {
-	if (pLayerWin == pWin)
-	    anyMarked |= (*pScreen->MarkOverlappedWindows)
-				(pWin, windowToValidate, (WindowPtr *)NULL);
-	else
-	    anyMarked |= (*pScreen->MarkOverlappedWindows)
-				(pWin, pLayerWin, (WindowPtr *)NULL);
-
-#ifdef DO_SAVE_UNDERS
-	if (DO_SAVE_UNDERS(pWin))
-	{
-	    dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, windowToValidate);
-	}
-#endif /* DO_SAVE_UNDERS */
-
-	if (anyMarked)
-	{
-	    (*pScreen->ValidateTree)(pLayerWin->parent, NullWindow, kind);
-	    (* pWin->drawable.pScreen->CopyWindow)(pWin, oldpt, oldRegion);
-	    RegionDestroy(oldRegion);
-	    /* XXX need to retile border if ParentRelative origin */
-	    (*pScreen->HandleExposures)(pLayerWin->parent);
-	}
-#ifdef DO_SAVE_UNDERS
-	if (dosave)
-	    (*pScreen->PostChangeSaveUnder)(pLayerWin, windowToValidate);
-#endif /* DO_SAVE_UNDERS */
-	if (anyMarked && pScreen->PostValidateTree)
-	    (*pScreen->PostValidateTree)(pLayerWin->parent, NullWindow, kind);
-    }
-    if (pWin->realized)
-	WindowsRestructured ();
-}
-
-
-/*
- * pValid is a region of the screen which has been
- * successfully copied -- recomputed exposed regions for affected windows
- */
-
-static int
-miRecomputeExposures (
-    register WindowPtr	pWin,
-    void *		value) /* must conform to VisitWindowProcPtr */
-{
-    RegionPtr	pValid = (RegionPtr)value;
-
-    if (pWin->valdata)
-    {
-	/*
-	 * compute exposed regions of this window
-	 */
-	RegionSubtract(&pWin->valdata->after.exposed,
-			&pWin->clipList, pValid);
-	/*
-	 * compute exposed regions of the border
-	 */
-	RegionSubtract(&pWin->valdata->after.borderExposed,
-			     &pWin->borderClip, &pWin->winSize);
-	RegionSubtract(&pWin->valdata->after.borderExposed,
-			     &pWin->valdata->after.borderExposed, pValid);
-	return WT_WALKCHILDREN;
-    }
-    return WT_NOMATCH;
-}
-
-void
-miSlideAndSizeWindow(pWin, x, y, w, h, pSib)
-    register WindowPtr pWin;
-    int x,y;
-    unsigned int w, h;
-    WindowPtr pSib;
-{
-    WindowPtr pParent;
-    Bool WasViewable = (Bool)(pWin->viewable);
-    unsigned short width = pWin->drawable.width,
-		   height = pWin->drawable.height;
-    short oldx = pWin->drawable.x,
-	  oldy = pWin->drawable.y;
-    int bw = wBorderWidth (pWin);
-    short dw, dh;
-    DDXPointRec oldpt;
-    RegionPtr oldRegion = NULL;
-    Bool anyMarked = FALSE;
-    register ScreenPtr pScreen;
-    WindowPtr pFirstChange;
-    register WindowPtr pChild;
-    RegionPtr	gravitate[StaticGravity + 1];
-    register unsigned g;
-    int		nx, ny;		/* destination x,y */
-    int		newx, newy;	/* new inner window position */
-    RegionPtr	pRegion = NULL;
-    RegionPtr	destClip;	/* portions of destination already written */
-    RegionPtr	oldWinClip = NULL;	/* old clip list for window */
-    RegionPtr	borderVisible = NullRegion; /* visible area of the border */
-    RegionPtr	bsExposed = NullRegion;	    /* backing store exposures */
-    Bool	shrunk = FALSE; /* shrunk in an inner dimension */
-    Bool	moved = FALSE;	/* window position changed */
-#ifdef DO_SAVE_UNDERS
-    Bool	dosave = FALSE;
-#endif
-    WindowPtr  pLayerWin;
-
-    /* if this is a root window, can't be resized */
-    if (!(pParent = pWin->parent))
-	return ;
-
-    pScreen = pWin->drawable.pScreen;
-    newx = pParent->drawable.x + x + bw;
-    newy = pParent->drawable.y + y + bw;
-    if (WasViewable)
-    {
-	anyMarked = FALSE;
-	/*
-	 * save the visible region of the window
-	 */
-	oldRegion = RegionCreate(NullBox, 1);
-	RegionCopy(oldRegion, &pWin->winSize);
-
-	/*
-	 * categorize child windows into regions to be moved
-	 */
-	for (g = 0; g <= StaticGravity; g++)
-	    gravitate[g] = (RegionPtr) NULL;
-	for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
-	{
-	    g = pChild->winGravity;
-	    if (g != UnmapGravity)
-	    {
-		if (!gravitate[g])
-		    gravitate[g] = RegionCreate(NullBox, 1);
-		RegionUnion(gravitate[g],
-				   gravitate[g], &pChild->borderClip);
-	    }
-	    else
-	    {
-		UnmapWindow(pChild, TRUE);
-		anyMarked = TRUE;
-	    }
-	}
-	anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin, 
-						       &pLayerWin);
-
-	oldWinClip = NULL;
-	if (pWin->bitGravity != ForgetGravity)
-	{
-	    oldWinClip = RegionCreate(NullBox, 1);
-	    RegionCopy(oldWinClip, &pWin->clipList);
-	}
-	/*
-	 * if the window is changing size, borderExposed
-	 * can't be computed correctly without some help.
-	 */
-	if (pWin->drawable.height > h || pWin->drawable.width > w)
-	    shrunk = TRUE;
-
-	if (newx != oldx || newy != oldy)
-	    moved = TRUE;
-
-	if ((pWin->drawable.height != h || pWin->drawable.width != w) &&
-	    HasBorder (pWin))
-	{
-	    borderVisible = RegionCreate(NullBox, 1);
-	    /* for tiled borders, we punt and draw the whole thing */
-	    if (pWin->borderIsPixel || !moved)
-	    {
-		if (shrunk || moved)
-		    RegionSubtract(borderVisible,
-					  &pWin->borderClip,
-					  &pWin->winSize);
-		else
-		    RegionCopy(borderVisible,
-					    &pWin->borderClip);
-	    }
-	}
-    }
-    pWin->origin.x = x + bw;
-    pWin->origin.y = y + bw;
-    pWin->drawable.height = h;
-    pWin->drawable.width = w;
-
-    x = pWin->drawable.x = newx;
-    y = pWin->drawable.y = newy;
-
-    SetWinSize (pWin);
-    SetBorderSize (pWin);
-
-    dw = (int)w - (int)width;
-    dh = (int)h - (int)height;
-    ResizeChildrenWinSize(pWin, x - oldx, y - oldy, dw, dh);
-
-    /* let the hardware adjust background and border pixmaps, if any */
-    (*pScreen->PositionWindow)(pWin, x, y);
-
-    pFirstChange = MoveWindowInStack(pWin, pSib);
-
-    if (WasViewable)
-    {
-	pRegion = RegionCreate(NullBox, 1);
-	if (pWin->backStorage)
-	    RegionCopy(pRegion, &pWin->clipList);
-
-	if (pLayerWin == pWin)
-	    anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pFirstChange,
-						(WindowPtr *)NULL);
-	else
-	    anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pLayerWin,
-						(WindowPtr *)NULL);
-
-	if (pWin->valdata)
-	{
-	    pWin->valdata->before.resized = TRUE;
-	    pWin->valdata->before.borderVisible = borderVisible;
-	}
-
-#ifdef DO_SAVE_UNDERS
-	if (DO_SAVE_UNDERS(pWin))
-	{
-	    dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pFirstChange);
-	}
-#endif /* DO_SAVE_UNDERS */
-
-	if (anyMarked)
-	    (*pScreen->ValidateTree)(pLayerWin->parent, pFirstChange, VTOther);
-	/*
-	 * the entire window is trashed unless bitGravity
-	 * recovers portions of it
-	 */
-	RegionCopy(&pWin->valdata->after.exposed, &pWin->clipList);
-    }
-
-    GravityTranslate (x, y, oldx, oldy, dw, dh, pWin->bitGravity, &nx, &ny);
-
-    if (pWin->backStorage &&
-	((pWin->backingStore == Always) || WasViewable))
-    {
-	if (!WasViewable)
-	    pRegion = &pWin->clipList; /* a convenient empty region */
-	if (pWin->bitGravity == ForgetGravity)
-	    bsExposed = (*pScreen->TranslateBackingStore)
-				(pWin, 0, 0, NullRegion, oldx, oldy);
-	else
-	{
-	    bsExposed = (*pScreen->TranslateBackingStore)
-			     (pWin, nx - x, ny - y, pRegion, oldx, oldy);
-	}
-    }
-
-    if (WasViewable)
-    {
-	/* avoid the border */
-	if (HasBorder (pWin))
-	{
-	    int	offx, offy, dx, dy;
-
-	    /* kruft to avoid double translates for each gravity */
-	    offx = 0;
-	    offy = 0;
-	    for (g = 0; g <= StaticGravity; g++)
-	    {
-		if (!gravitate[g])
-		    continue;
-
-		/* align winSize to gravitate[g].
-		 * winSize is in new coordinates,
-		 * gravitate[g] is still in old coordinates */
-		GravityTranslate (x, y, oldx, oldy, dw, dh, g, &nx, &ny);
-		
-		dx = (oldx - nx) - offx;
-		dy = (oldy - ny) - offy;
-		if (dx || dy)
-		{
-		    RegionTranslate(&pWin->winSize, dx, dy);
-		    offx += dx;
-		    offy += dy;
-		}
-		RegionIntersect(gravitate[g], gravitate[g],
-				 &pWin->winSize);
-	    }
-	    /* get winSize back where it belongs */
-	    if (offx || offy)
-		RegionTranslate(&pWin->winSize, -offx, -offy);
-	}
-	/*
-	 * add screen bits to the appropriate bucket
-	 */
-
-	if (oldWinClip)
-	{
-	    /*
-	     * clip to new clipList
-	     */
-	    RegionCopy(pRegion, oldWinClip);
-	    RegionTranslate(pRegion, nx - oldx, ny - oldy);
-	    RegionIntersect(oldWinClip, pRegion, &pWin->clipList);
-	    /*
-	     * don't step on any gravity bits which will be copied after this
-	     * region.	Note -- this assumes that the regions will be copied
-	     * in gravity order.
-	     */
-	    for (g = pWin->bitGravity + 1; g <= StaticGravity; g++)
-	    {
-		if (gravitate[g])
-		    RegionSubtract(oldWinClip, oldWinClip,
-					gravitate[g]);
-	    }
-	    RegionTranslate(oldWinClip, oldx - nx, oldy - ny);
-	    g = pWin->bitGravity;
-	    if (!gravitate[g])
-		gravitate[g] = oldWinClip;
-	    else
-	    {
-		RegionUnion(gravitate[g], gravitate[g], oldWinClip);
-		RegionDestroy(oldWinClip);
-	    }
-	}
-
-	/*
-	 * move the bits on the screen
-	 */
-
-	destClip = NULL;
-
-	for (g = 0; g <= StaticGravity; g++)
-	{
-	    if (!gravitate[g])
-		continue;
-
-	    GravityTranslate (x, y, oldx, oldy, dw, dh, g, &nx, &ny);
-
-	    oldpt.x = oldx + (x - nx);
-	    oldpt.y = oldy + (y - ny);
-
-	    /* Note that gravitate[g] is *translated* by CopyWindow */
-
-	    /* only copy the remaining useful bits */
-
-	    RegionIntersect(gravitate[g], gravitate[g], oldRegion);
-
-	    /* clip to not overwrite already copied areas */
-
-	    if (destClip) {
-		RegionTranslate(destClip, oldpt.x - x, oldpt.y - y);
-		RegionSubtract(gravitate[g], gravitate[g], destClip);
-		RegionTranslate(destClip, x - oldpt.x, y - oldpt.y);
-	    }
-
-	    /* and move those bits */
-
-	    if (oldpt.x != x || oldpt.y != y
-#ifdef COMPOSITE
-		|| pWin->redirectDraw
-#endif
-		)
-	    {
-		(*pWin->drawable.pScreen->CopyWindow)(pWin, oldpt, gravitate[g]);
-	    }
-
-	    /* remove any overwritten bits from the remaining useful bits */
-
-	    RegionSubtract(oldRegion, oldRegion, gravitate[g]);
-
-	    /*
-	     * recompute exposed regions of child windows
-	     */
-	
-	    for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
-	    {
-		if (pChild->winGravity != g)
-		    continue;
-		RegionIntersect(pRegion,
-				       &pChild->borderClip, gravitate[g]);
-		TraverseTree (pChild, miRecomputeExposures, (void *)pRegion);
-	    }
-
-	    /*
-	     * remove the successfully copied regions of the
-	     * window from its exposed region
-	     */
-
-	    if (g == pWin->bitGravity)
-		RegionSubtract(&pWin->valdata->after.exposed,
-				     &pWin->valdata->after.exposed, gravitate[g]);
-	    if (!destClip)
-		destClip = gravitate[g];
-	    else
-	    {
-		RegionUnion(destClip, destClip, gravitate[g]);
-		RegionDestroy(gravitate[g]);
-	    }
-	}
-
-	RegionDestroy(oldRegion);
-	RegionDestroy(pRegion);
-	if (destClip)
-	    RegionDestroy(destClip);
-	if (bsExposed)
-	{
-	    RegionPtr	valExposed = NullRegion;
-
-	    if (pWin->valdata)
-		valExposed = &pWin->valdata->after.exposed;
-	    (*pScreen->WindowExposures) (pWin, valExposed, bsExposed);
-	    if (valExposed)
-		RegionEmpty(valExposed);
-	    RegionDestroy(bsExposed);
-	}
-	if (anyMarked)
-	    (*pScreen->HandleExposures)(pLayerWin->parent);
-#ifdef DO_SAVE_UNDERS
-	if (dosave)
-	{
-	    (*pScreen->PostChangeSaveUnder)(pLayerWin, pFirstChange);
-	}
-#endif /* DO_SAVE_UNDERS */
-	if (anyMarked && pScreen->PostValidateTree)
-	    (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange,
-					  VTOther);
-    }
-    else if (bsExposed)
-    {
-	(*pScreen->WindowExposures) (pWin, NullRegion, bsExposed);
-	RegionDestroy(bsExposed);
-    }
-    if (pWin->realized)
-	WindowsRestructured ();
-}
-
-WindowPtr
-miGetLayerWindow(pWin)
-    WindowPtr pWin;
-{
-    return pWin->firstChild;
-}
-
-#ifdef SHAPE
-/******
- *
- * miSetShape
- *    The border/window shape has changed.  Recompute winSize/borderSize
- *    and send appropriate exposure events
- */
-
-void
-miSetShape(pWin)
-    register WindowPtr	pWin;
-{
-    Bool	WasViewable = (Bool)(pWin->viewable);
-    register ScreenPtr pScreen = pWin->drawable.pScreen;
-    Bool	anyMarked = FALSE;
-    RegionPtr	pOldClip = NULL, bsExposed;
-#ifdef DO_SAVE_UNDERS
-    Bool	dosave = FALSE;
-#endif
-    WindowPtr   pLayerWin;
-
-    if (WasViewable)
-    {
-	anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin,
-						      &pLayerWin);
-	if (pWin->valdata)
-	{
-	    if (HasBorder (pWin))
-	    {
-		RegionPtr	borderVisible;
-
-		borderVisible = RegionCreate(NullBox, 1);
-		RegionSubtract(borderVisible,
-				      &pWin->borderClip, &pWin->winSize);
-		pWin->valdata->before.borderVisible = borderVisible;
-	    }
-	    pWin->valdata->before.resized = TRUE;
-	}
-    }
-
-    SetWinSize (pWin);
-    SetBorderSize (pWin);
-
-    ResizeChildrenWinSize(pWin, 0, 0, 0, 0);
-
-    if (WasViewable)
-    {
-	if (pWin->backStorage)
-	{
-	    pOldClip = RegionCreate(NullBox, 1);
-	    RegionCopy(pOldClip, &pWin->clipList);
-	}
-
-	anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin,
-						(WindowPtr *)NULL);
-
-#ifdef DO_SAVE_UNDERS
-	if (DO_SAVE_UNDERS(pWin))
-	{
-	    dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pLayerWin);
-	}
-#endif /* DO_SAVE_UNDERS */
-
-	if (anyMarked)
-	    (*pScreen->ValidateTree)(pLayerWin->parent, NullWindow, VTOther);
-    }
-
-    if (pWin->backStorage &&
-	((pWin->backingStore == Always) || WasViewable))
-    {
-	if (!WasViewable)
-	    pOldClip = &pWin->clipList; /* a convenient empty region */
-	bsExposed = (*pScreen->TranslateBackingStore)
-			     (pWin, 0, 0, pOldClip,
-			      pWin->drawable.x, pWin->drawable.y);
-#ifdef NXAGENT_SERVER
-
-        /*
-         * We got a few, rare, segfaults here after having
-         * started using the backing store. It may be a
-         * different bug but miChangeSaveUnder() calls mi-
-         * CheckSubSaveUnder() that, in turn, can change
-         * the backing store attribute of the window. This
-         * means that we may try to destroy the region
-         * even if it was not created at the beginning of
-         * this function as, at the time, the backing store
-         * was off. miCheckSubSaveUnder() appear to get a
-         * pointer to the parent, so maybe doesn't change
-         * the attribute of the window itself. This is to
-         * be better investigated.
-         */
-
-        if (WasViewable && pOldClip)
-            RegionDestroy(pOldClip);
-#else
-	if (WasViewable)
-	    RegionDestroy(pOldClip);
-#endif
-	if (bsExposed)
-	{
-	    RegionPtr	valExposed = NullRegion;
-    
-	    if (pWin->valdata)
-		valExposed = &pWin->valdata->after.exposed;
-	    (*pScreen->WindowExposures) (pWin, valExposed, bsExposed);
-	    if (valExposed)
-		RegionEmpty(valExposed);
-	    RegionDestroy(bsExposed);
-	}
-    }
-    if (WasViewable)
-    {
-	if (anyMarked)
-	    (*pScreen->HandleExposures)(pLayerWin->parent);
-#ifdef DO_SAVE_UNDERS
-	if (dosave)
-	    (*pScreen->PostChangeSaveUnder)(pLayerWin, pLayerWin);
-#endif /* DO_SAVE_UNDERS */
-	if (anyMarked && pScreen->PostValidateTree)
-	    (*pScreen->PostValidateTree)(pLayerWin->parent, NullWindow, VTOther);
-    }
-    if (pWin->realized)
-	WindowsRestructured ();
-    CheckCursorConfinement(pWin);
-}
-#endif
-
-/* Keeps the same inside(!) origin */
-
-void
-miChangeBorderWidth(pWin, width)
-    register WindowPtr pWin;
-    unsigned int width;
-{
-    int oldwidth;
-    Bool anyMarked = FALSE;
-    register ScreenPtr pScreen;
-    Bool WasViewable = (Bool)(pWin->viewable);
-    Bool HadBorder;
-#ifdef DO_SAVE_UNDERS
-    Bool	dosave = FALSE;
-#endif
-    WindowPtr  pLayerWin;
-
-    oldwidth = wBorderWidth (pWin);
-    if (oldwidth == width)
-	return;
-    HadBorder = HasBorder(pWin);
-    pScreen = pWin->drawable.pScreen;
-    if (WasViewable && width < oldwidth)
-	anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin, &pLayerWin);
-
-    pWin->borderWidth = width;
-    SetBorderSize (pWin);
-
-    if (WasViewable)
-    {
-	if (width > oldwidth)
-	{
-	    anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin,
-							  &pLayerWin);
-	    /*
-	     * save the old border visible region to correctly compute
-	     * borderExposed.
-	     */
-	    if (pWin->valdata && HadBorder)
-	    {
-		RegionPtr   borderVisible;
-		borderVisible = RegionCreate(NULL, 1);
-		RegionSubtract(borderVisible,
-				      &pWin->borderClip, &pWin->winSize);
-		pWin->valdata->before.borderVisible = borderVisible;
-	    }
-	}
-#ifdef DO_SAVE_UNDERS
-	if (DO_SAVE_UNDERS(pWin))
-	{
-	    dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pWin->nextSib);
-	}
-#endif /* DO_SAVE_UNDERS */
-
-	if (anyMarked)
-	{
-	    (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTOther);
-	    (*pScreen->HandleExposures)(pLayerWin->parent);
-	}
-#ifdef DO_SAVE_UNDERS
-	if (dosave)
-	    (*pScreen->PostChangeSaveUnder)(pLayerWin, pWin->nextSib);
-#endif /* DO_SAVE_UNDERS */
-	if (anyMarked && pScreen->PostValidateTree)
-	    (*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin,
-					  VTOther);
-    }
-    if (pWin->realized)
-	WindowsRestructured ();
-}
-
-void
-miMarkUnrealizedWindow(pChild, pWin, fromConfigure)
-    WindowPtr pChild;
-    WindowPtr pWin;
-    Bool fromConfigure;
-{
-    if ((pChild != pWin) || fromConfigure)
-    {
-	RegionEmpty(&pChild->clipList);
-	if (pChild->drawable.pScreen->ClipNotify)
-	    (* pChild->drawable.pScreen->ClipNotify)(pChild, 0, 0);
-	RegionEmpty(&pChild->borderClip);
-    }
-}
-
-void
-miSegregateChildren(WindowPtr pWin, RegionPtr pReg, int depth)
-{
-    WindowPtr pChild;
-
-    for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
-    {
-	if (pChild->drawable.depth == depth)
-	    RegionUnion(pReg, pReg, &pChild->borderClip);
-
-	if (pChild->firstChild)
-	    miSegregateChildren(pChild, pReg, depth);
-    }
-}
diff --git a/nx-X11/programs/Xserver/mi/miwindow.c b/nx-X11/programs/Xserver/mi/miwindow.c
index 198f765dd..aff7128c3 100644
--- a/nx-X11/programs/Xserver/mi/miwindow.c
+++ b/nx-X11/programs/Xserver/mi/miwindow.c
@@ -1048,7 +1048,25 @@ miSetShape(pWin)
 	bsExposed = (*pScreen->TranslateBackingStore)
 			     (pWin, 0, 0, pOldClip,
 			      pWin->drawable.x, pWin->drawable.y);
-	if (WasViewable)
+
+	/*
+	 * Applies to NXAGENT_SERVER builds:
+	 *
+	 * We got a few, rare, segfaults here after having
+	 * started using the backing store. It may be a
+	 * different bug but miChangeSaveUnder() calls mi-
+	 * CheckSubSaveUnder() that, in turn, can change
+	 * the backing store attribute of the window. This
+	 * means that we may try to destroy the region
+	 * even if it was not created at the beginning of
+	 * this function as, at the time, the backing store
+	 * was off. miCheckSubSaveUnder() appear to get a
+	 * pointer to the parent, so maybe doesn't change
+	 * the attribute of the window itself. This is to
+	 * be better investigated.
+	 */
+
+	if (WasViewable && pOldClip)
 	    RegionDestroy(pOldClip);
 	if (bsExposed)
 	{