initial state (xorg-server 1.10.2)

1 files changed, 824 insertions, 0 deletions

diff --git a/mi/miwindow.c b/mi/miwindow.c
new file mode 100644
index 0000000..dc5d21a
--- /dev/null
+++ b/mi/miwindow.c
@@ -0,0 +1,824 @@
+
+/***********************************************************
+
+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.
+
+******************************************************************/
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/extensions/shapeconst.h>
+#include "regionstr.h"
+#include "region.h"
+#include "mi.h"
+#include "windowstr.h"
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "mivalidate.h"
+
+void
+miClearToBackground(WindowPtr pWin,
+                    int x, int y, int w, int h,
+                    Bool generateExposures)
+{
+    BoxRec box;
+    RegionRec	reg;
+    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;
+
+    RegionInit(&reg, &box, 1);
+
+    RegionIntersect(&reg, &reg, &pWin->clipList);
+    if (generateExposures)
+	(*pWin->drawable.pScreen->WindowExposures)(pWin, &reg, NULL);
+    else if (pWin->backgroundState != None)
+	miPaintWindow(pWin, &reg, PW_BACKGROUND);
+    RegionUninit(&reg);
+}
+
+void
+miMarkWindow(WindowPtr pWin)
+{
+    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(WindowPtr pWin, WindowPtr pFirst, WindowPtr *ppLayerWin)
+{
+    BoxPtr box;
+    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(WindowPtr pWin)
+{
+    WindowPtr pChild;
+    ValidatePtr val;
+    WindowExposuresProcPtr WindowExposures;
+
+    pChild = pWin;
+    WindowExposures = pChild->drawable.pScreen->WindowExposures;
+    while (1)
+    {
+	if ( (val = pChild->valdata) )
+	{
+	    if (RegionNotEmpty(&val->after.borderExposed))
+		miPaintWindow(pChild, &val->after.borderExposed, PW_BORDER);
+	    RegionUninit(&val->after.borderExposed);
+	    (*WindowExposures)(pChild, &val->after.exposed, NullRegion);
+	    RegionUninit(&val->after.exposed);
+	    free(val);
+	    pChild->valdata = 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(WindowPtr pWin, int x, int y, WindowPtr pNextSib, VTKind kind)
+{
+    WindowPtr pParent;
+    Bool WasViewable = (Bool)(pWin->viewable);
+    short bw;
+    RegionPtr oldRegion = NULL;
+    DDXPointRec oldpt;
+    Bool anyMarked = FALSE;
+    ScreenPtr pScreen;
+    WindowPtr windowToValidate;
+    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, NULL);
+	else
+	    anyMarked |= (*pScreen->MarkOverlappedWindows)
+				(pWin, pLayerWin, NULL);
+
+
+	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);
+	}
+	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 (
+    WindowPtr	pWin,
+    pointer		value) /* must conform to VisitWindowProcPtr */
+{
+    RegionPtr	pValid = (RegionPtr)value;
+
+    if (pWin->valdata)
+    {
+#ifdef COMPOSITE
+	/*
+	 * Redirected windows are not affected by parent window
+	 * gravity manipulations, so don't recompute their
+	 * exposed areas here.
+	 */
+	if (pWin->redirectDraw != RedirectDrawNone)
+	    return WT_DONTWALKCHILDREN;
+#endif
+	/*
+	 * 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(WindowPtr pWin,
+                     int x, int y,
+                     unsigned int w, unsigned int 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;
+    ScreenPtr pScreen;
+    WindowPtr pFirstChange;
+    WindowPtr pChild;
+    RegionPtr	gravitate[StaticGravity + 1];
+    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 */
+    Bool	shrunk = FALSE; /* shrunk in an inner dimension */
+    Bool	moved = FALSE;	/* window position changed */
+    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 (pLayerWin == pWin)
+	    anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pFirstChange,
+						NULL);
+	else
+	    anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pLayerWin,
+						NULL);
+
+	if (pWin->valdata)
+	{
+	    pWin->valdata->before.resized = TRUE;
+	    pWin->valdata->before.borderVisible = borderVisible;
+	}
+
+
+	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 (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, (pointer)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 (anyMarked)
+	    (*pScreen->HandleExposures)(pLayerWin->parent);
+	if (anyMarked && pScreen->PostValidateTree)
+	    (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange,
+					  VTOther);
+    }
+    if (pWin->realized)
+	WindowsRestructured ();
+}
+
+WindowPtr
+miGetLayerWindow(WindowPtr pWin)
+{
+    return pWin->firstChild;
+}
+
+/******
+ *
+ * miSetShape
+ *    The border/window shape has changed.  Recompute winSize/borderSize
+ *    and send appropriate exposure events
+ */
+
+void
+miSetShape(WindowPtr pWin, int kind)
+{
+    Bool        WasViewable = (Bool)(pWin->viewable);
+    ScreenPtr   pScreen = pWin->drawable.pScreen;
+    Bool        anyMarked = FALSE;
+    WindowPtr   pLayerWin;
+
+    if (kind != ShapeInput) {
+        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)
+        {
+            anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin,
+                                                           NULL);
+
+            if (anyMarked)
+                (*pScreen->ValidateTree)(pLayerWin->parent, NullWindow,
+                                         VTOther);
+        }
+
+        if (WasViewable)
+        {
+            if (anyMarked)
+                (*pScreen->HandleExposures)(pLayerWin->parent);
+            if (anyMarked && pScreen->PostValidateTree)
+                (*pScreen->PostValidateTree)(pLayerWin->parent, NullWindow,
+                                             VTOther);
+        }
+    }
+    if (pWin->realized)
+        WindowsRestructured ();
+    CheckCursorConfinement(pWin);
+}
+
+/* Keeps the same inside(!) origin */
+
+void
+miChangeBorderWidth(WindowPtr pWin, unsigned int width)
+{
+    int oldwidth;
+    Bool anyMarked = FALSE;
+    ScreenPtr pScreen;
+    Bool WasViewable = (Bool)(pWin->viewable);
+    Bool HadBorder;
+    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;
+	    }
+	}
+
+	if (anyMarked)
+	{
+	    (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTOther);
+	    (*pScreen->HandleExposures)(pLayerWin->parent);
+	}
+	if (anyMarked && pScreen->PostValidateTree)
+	    (*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin,
+					  VTOther);
+    }
+    if (pWin->realized)
+	WindowsRestructured ();
+}
+
+void
+miMarkUnrealizedWindow(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);
+    }
+}