808 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			808 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright (c) 2006, Oracle and/or its affiliates.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the next
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 * paragraph) shall be included in all copies or substantial portions of the
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 * Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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 * DEALINGS IN THE SOFTWARE.
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 *
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 * Copyright © 2003 Keith Packard
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 *
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 * Permission to use, copy, modify, distribute, and sell this software and its
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 * documentation for any purpose is hereby granted without fee, provided that
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 * the above copyright notice appear in all copies and that both that
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 * copyright notice and this permission notice appear in supporting
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 * documentation, and that the name of Keith Packard not be used in
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 * advertising or publicity pertaining to distribution of the software without
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 * specific, written prior permission.  Keith Packard makes no
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 * representations about the suitability of this software for any purpose.  It
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 * is provided "as is" without express or implied warranty.
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 *
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 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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 * PERFORMANCE OF THIS SOFTWARE.
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 */
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#include <dix-config.h>
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#include "dix/dix_priv.h"
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#include "os/osdep.h"
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#include "compint.h"
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#include "compositeext_priv.h"
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#ifdef PANORAMIX
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#include "panoramiXsrv.h"
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#endif
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#ifdef COMPOSITE_DEBUG
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static int
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compCheckWindow(WindowPtr pWin, void *data)
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{
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    ScreenPtr pScreen = pWin->drawable.pScreen;
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    PixmapPtr pWinPixmap = (*pScreen->GetWindowPixmap) (pWin);
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    PixmapPtr pParentPixmap =
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        pWin->parent ? (*pScreen->GetWindowPixmap) (pWin->parent) : 0;
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    PixmapPtr pScreenPixmap = (*pScreen->GetScreenPixmap) (pScreen);
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    if (!pWin->parent) {
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        assert(pWin->redirectDraw == RedirectDrawNone);
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        assert(pWinPixmap == pScreenPixmap);
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    }
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    else if (pWin->redirectDraw != RedirectDrawNone) {
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        assert(pWinPixmap != pParentPixmap);
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        assert(pWinPixmap != pScreenPixmap);
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    }
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    else {
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        assert(pWinPixmap == pParentPixmap);
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    }
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    assert(0 < pWinPixmap->refcnt)
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    assert(pWinPixmap->refcnt < 3);
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    assert(0 < pScreenPixmap->refcnt);
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    assert(pScreenPixmap->refcnt < 3);
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    if (pParentPixmap) {
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        assert(0 <= pParentPixmap->refcnt);
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        assert(pParentPixmap->refcnt < 3);
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    }
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    return WT_WALKCHILDREN;
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}
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void
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compCheckTree(ScreenPtr pScreen)
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{
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    WalkTree(pScreen, compCheckWindow, 0);
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}
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#endif
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typedef struct _compPixmapVisit {
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    WindowPtr pWindow;
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    PixmapPtr pPixmap;
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    int bw;
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} CompPixmapVisitRec, *CompPixmapVisitPtr;
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static Bool
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compRepaintBorder(ClientPtr pClient, void *closure)
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{
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    WindowPtr pWindow;
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    int rc =
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        dixLookupWindow(&pWindow, (XID) (intptr_t) closure, pClient,
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                        DixWriteAccess);
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    if (rc == Success) {
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        RegionRec exposed;
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        RegionNull(&exposed);
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        RegionSubtract(&exposed, &pWindow->borderClip, &pWindow->winSize);
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        pWindow->drawable.pScreen->PaintWindow(pWindow, &exposed, PW_BORDER);
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        RegionUninit(&exposed);
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    }
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    return TRUE;
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}
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static int
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compSetPixmapVisitWindow(WindowPtr pWindow, void *data)
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{
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    CompPixmapVisitPtr pVisit = (CompPixmapVisitPtr) data;
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    ScreenPtr pScreen = pWindow->drawable.pScreen;
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    if (pWindow != pVisit->pWindow && pWindow->redirectDraw != RedirectDrawNone)
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        return WT_DONTWALKCHILDREN;
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    (*pScreen->SetWindowPixmap) (pWindow, pVisit->pPixmap);
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    /*
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     * Recompute winSize and borderSize.  This is duplicate effort
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     * when resizing pixmaps, but necessary when changing redirection.
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     * Might be nice to fix this.
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     */
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    SetWinSize(pWindow);
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    SetBorderSize(pWindow);
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    if (pVisit->bw)
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        QueueWorkProc(compRepaintBorder, serverClient,
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                      (void *) (intptr_t) pWindow->drawable.id);
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    return WT_WALKCHILDREN;
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}
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void
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compSetPixmap(WindowPtr pWindow, PixmapPtr pPixmap, int bw)
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{
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    CompPixmapVisitRec visitRec;
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    visitRec.pWindow = pWindow;
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    visitRec.pPixmap = pPixmap;
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    visitRec.bw = bw;
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    TraverseTree(pWindow, compSetPixmapVisitWindow, (void *) &visitRec);
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    compCheckTree(pWindow->drawable.pScreen);
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}
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Bool
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compCheckRedirect(WindowPtr pWin)
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{
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    CompWindowPtr cw = GetCompWindow(pWin);
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    CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen);
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    Bool should;
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    should = pWin->realized && (pWin->drawable.class != InputOnly) &&
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        (cw != NULL) && (pWin->parent != NULL);
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    /* Never redirect the overlay window */
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    if (cs->pOverlayWin != NULL) {
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        if (pWin == cs->pOverlayWin) {
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            should = FALSE;
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        }
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    }
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    if (should != (pWin->redirectDraw != RedirectDrawNone)) {
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        if (should)
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            return compAllocPixmap(pWin);
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        else {
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            ScreenPtr pScreen = pWin->drawable.pScreen;
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            PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
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            compSetParentPixmap(pWin);
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            compRestoreWindow(pWin, pPixmap);
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            dixDestroyPixmap(pPixmap, 0);
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        }
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    }
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    else if (should) {
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        if (cw->update == CompositeRedirectAutomatic)
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            pWin->redirectDraw = RedirectDrawAutomatic;
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        else
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            pWin->redirectDraw = RedirectDrawManual;
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    }
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    return TRUE;
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}
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static int
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updateOverlayWindow(ScreenPtr pScreen)
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{
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    CompScreenPtr cs;
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    WindowPtr pWin;             /* overlay window */
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    XID vlist[2];
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    int w = pScreen->width;
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    int h = pScreen->height;
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#ifdef PANORAMIX
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    if (!noPanoramiXExtension) {
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        w = PanoramiXPixWidth;
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        h = PanoramiXPixHeight;
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    }
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#endif
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    cs = GetCompScreen(pScreen);
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    if ((pWin = cs->pOverlayWin) != NULL) {
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        if ((pWin->drawable.width == w) && (pWin->drawable.height == h))
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            return Success;
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        /* Let's resize the overlay window. */
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        vlist[0] = w;
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        vlist[1] = h;
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        return ConfigureWindow(pWin, CWWidth | CWHeight, vlist, wClient(pWin));
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    }
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    /* Let's be on the safe side and not assume an overlay window is
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       always allocated. */
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    return Success;
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}
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void compWindowPosition(ScreenPtr pScreen, WindowPtr pWin, void *arg, int32_t x, int32_t y)
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{
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    /*
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     * "Shouldn't need this as all possible places should be wrapped
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     *
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     compCheckRedirect (pWin);
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     */
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#ifdef COMPOSITE_DEBUG
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    if ((pWin->redirectDraw != RedirectDrawNone) !=
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        (pWin->viewable && (GetCompWindow(pWin) != NULL)))
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        OsAbort();
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#endif
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    if (pWin->redirectDraw != RedirectDrawNone) {
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        PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
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        int bw = wBorderWidth(pWin);
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        int nx = pWin->drawable.x - bw;
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        int ny = pWin->drawable.y - bw;
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        if (pPixmap->screen_x != nx || pPixmap->screen_y != ny) {
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            pPixmap->screen_x = nx;
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            pPixmap->screen_y = ny;
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            pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
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        }
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    }
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    compCheckTree(pWin->drawable.pScreen);
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    updateOverlayWindow(pScreen);
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}
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Bool
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compRealizeWindow(WindowPtr pWin)
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{
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    ScreenPtr pScreen = pWin->drawable.pScreen;
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    CompScreenPtr cs = GetCompScreen(pScreen);
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    Bool ret = TRUE;
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    pScreen->RealizeWindow = cs->RealizeWindow;
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    compCheckRedirect(pWin);
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    if (!(*pScreen->RealizeWindow) (pWin))
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        ret = FALSE;
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    cs->RealizeWindow = pScreen->RealizeWindow;
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    pScreen->RealizeWindow = compRealizeWindow;
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    compCheckTree(pWin->drawable.pScreen);
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    return ret;
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}
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Bool
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compUnrealizeWindow(WindowPtr pWin)
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{
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    ScreenPtr pScreen = pWin->drawable.pScreen;
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    CompScreenPtr cs = GetCompScreen(pScreen);
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    Bool ret = TRUE;
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    pScreen->UnrealizeWindow = cs->UnrealizeWindow;
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    compCheckRedirect(pWin);
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    if (!(*pScreen->UnrealizeWindow) (pWin))
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        ret = FALSE;
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    cs->UnrealizeWindow = pScreen->UnrealizeWindow;
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    pScreen->UnrealizeWindow = compUnrealizeWindow;
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    compCheckTree(pWin->drawable.pScreen);
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    return ret;
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}
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/*
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 * Called after the borderClip for the window has settled down
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 * We use this to make sure our extra borderClip has the right origin
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 */
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void
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compClipNotify(WindowPtr pWin, int dx, int dy)
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{
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    ScreenPtr pScreen = pWin->drawable.pScreen;
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    CompScreenPtr cs = GetCompScreen(pScreen);
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    CompWindowPtr cw = GetCompWindow(pWin);
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    if (cw) {
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        if (cw->borderClipX != pWin->drawable.x ||
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            cw->borderClipY != pWin->drawable.y) {
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            RegionTranslate(&cw->borderClip,
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                            pWin->drawable.x - cw->borderClipX,
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                            pWin->drawable.y - cw->borderClipY);
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            cw->borderClipX = pWin->drawable.x;
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            cw->borderClipY = pWin->drawable.y;
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        }
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    }
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    if (cs->ClipNotify) {
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        pScreen->ClipNotify = cs->ClipNotify;
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        (*pScreen->ClipNotify) (pWin, dx, dy);
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        cs->ClipNotify = pScreen->ClipNotify;
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        pScreen->ClipNotify = compClipNotify;
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    }
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}
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Bool
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compIsAlternateVisual(ScreenPtr pScreen, XID visual)
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{
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    CompScreenPtr cs = GetCompScreen(pScreen);
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    int i;
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    for (i = 0; cs && i < cs->numAlternateVisuals; i++)
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        if (cs->alternateVisuals[i] == visual)
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            return TRUE;
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    return FALSE;
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}
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Bool
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CompositeIsImplicitRedirectException(ScreenPtr pScreen,
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                                     XID parentVisual, XID winVisual)
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{
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    CompScreenPtr cs = GetCompScreen(pScreen);
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    int i;
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    for (i = 0; i < cs->numImplicitRedirectExceptions; i++)
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        if (cs->implicitRedirectExceptions[i].parentVisual == parentVisual &&
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            cs->implicitRedirectExceptions[i].winVisual == winVisual)
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            return TRUE;
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    return FALSE;
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}
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static Bool
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compImplicitRedirect(WindowPtr pWin, WindowPtr pParent)
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{
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    if (pParent) {
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        ScreenPtr pScreen = pWin->drawable.pScreen;
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        XID winVisual = wVisual(pWin);
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        XID parentVisual = wVisual(pParent);
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        if (CompositeIsImplicitRedirectException(pScreen, parentVisual, winVisual))
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            return FALSE;
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        if (winVisual != parentVisual &&
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            (compIsAlternateVisual(pScreen, winVisual) ||
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             compIsAlternateVisual(pScreen, parentVisual)))
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            return TRUE;
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    }
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    return FALSE;
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}
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static void
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compFreeOldPixmap(WindowPtr pWin)
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{
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    if (pWin->redirectDraw != RedirectDrawNone) {
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        CompWindowPtr cw = GetCompWindow(pWin);
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        if (cw->pOldPixmap) {
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            dixDestroyPixmap(cw->pOldPixmap, 0);
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            cw->pOldPixmap = NullPixmap;
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        }
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    }
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}
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void
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compMoveWindow(WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind)
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{
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    ScreenPtr pScreen = pWin->drawable.pScreen;
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    CompScreenPtr cs = GetCompScreen(pScreen);
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    pScreen->MoveWindow = cs->MoveWindow;
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    (*pScreen->MoveWindow) (pWin, x, y, pSib, kind);
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    cs->MoveWindow = pScreen->MoveWindow;
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    pScreen->MoveWindow = compMoveWindow;
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    compFreeOldPixmap(pWin);
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    compCheckTree(pScreen);
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}
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void
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compResizeWindow(WindowPtr pWin, int x, int y,
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                 unsigned int w, unsigned int h, WindowPtr pSib)
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{
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    ScreenPtr pScreen = pWin->drawable.pScreen;
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    CompScreenPtr cs = GetCompScreen(pScreen);
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    pScreen->ResizeWindow = cs->ResizeWindow;
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    (*pScreen->ResizeWindow) (pWin, x, y, w, h, pSib);
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    cs->ResizeWindow = pScreen->ResizeWindow;
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    pScreen->ResizeWindow = compResizeWindow;
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    compFreeOldPixmap(pWin);
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    compCheckTree(pWin->drawable.pScreen);
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}
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void
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compChangeBorderWidth(WindowPtr pWin, unsigned int bw)
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{
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    ScreenPtr pScreen = pWin->drawable.pScreen;
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    CompScreenPtr cs = GetCompScreen(pScreen);
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    pScreen->ChangeBorderWidth = cs->ChangeBorderWidth;
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    (*pScreen->ChangeBorderWidth) (pWin, bw);
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    cs->ChangeBorderWidth = pScreen->ChangeBorderWidth;
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    pScreen->ChangeBorderWidth = compChangeBorderWidth;
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    compFreeOldPixmap(pWin);
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    compCheckTree(pWin->drawable.pScreen);
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}
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void
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compReparentWindow(WindowPtr pWin, WindowPtr pPriorParent)
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{
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    ScreenPtr pScreen = pWin->drawable.pScreen;
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    CompScreenPtr cs = GetCompScreen(pScreen);
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    CompWindowPtr cw;
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    pScreen->ReparentWindow = cs->ReparentWindow;
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    /*
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     * Remove any implicit redirect due to synthesized visual
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     */
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    if (compImplicitRedirect(pWin, pPriorParent))
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        compUnredirectWindow(serverClient, pWin, CompositeRedirectAutomatic);
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    /*
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     * Handle subwindows redirection
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     */
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    compUnredirectOneSubwindow(pPriorParent, pWin);
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    compRedirectOneSubwindow(pWin->parent, pWin);
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    /*
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     * Add any implicit redirect due to synthesized visual
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     */
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    if (compImplicitRedirect(pWin, pWin->parent))
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        compRedirectWindow(serverClient, pWin, CompositeRedirectAutomatic);
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    /*
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     * Allocate any necessary redirect pixmap
 | 
						|
     * (this actually should never be true; pWin is always unmapped)
 | 
						|
     */
 | 
						|
    compCheckRedirect(pWin);
 | 
						|
 | 
						|
    /*
 | 
						|
     * Reset pixmap pointers as appropriate
 | 
						|
     */
 | 
						|
    if (pWin->parent && pWin->redirectDraw == RedirectDrawNone)
 | 
						|
        compSetPixmap(pWin, (*pScreen->GetWindowPixmap) (pWin->parent),
 | 
						|
                      pWin->borderWidth);
 | 
						|
    /*
 | 
						|
     * Call down to next function
 | 
						|
     */
 | 
						|
    if (pScreen->ReparentWindow)
 | 
						|
        (*pScreen->ReparentWindow) (pWin, pPriorParent);
 | 
						|
    cs->ReparentWindow = pScreen->ReparentWindow;
 | 
						|
    pScreen->ReparentWindow = compReparentWindow;
 | 
						|
 | 
						|
    cw = GetCompWindow(pWin);
 | 
						|
    if (pWin->damagedDescendants || (cw && cw->damaged))
 | 
						|
        compMarkAncestors(pWin);
 | 
						|
 | 
						|
    compCheckTree(pWin->drawable.pScreen);
 | 
						|
}
 | 
						|
 | 
						|
void
 | 
						|
compCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
 | 
						|
{
 | 
						|
    ScreenPtr pScreen = pWin->drawable.pScreen;
 | 
						|
    CompScreenPtr cs = GetCompScreen(pScreen);
 | 
						|
    int dx = 0, dy = 0;
 | 
						|
 | 
						|
    if (pWin->redirectDraw != RedirectDrawNone) {
 | 
						|
        PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
 | 
						|
        CompWindowPtr cw = GetCompWindow(pWin);
 | 
						|
 | 
						|
        assert(cw->oldx != COMP_ORIGIN_INVALID);
 | 
						|
        assert(cw->oldy != COMP_ORIGIN_INVALID);
 | 
						|
        if (cw->pOldPixmap) {
 | 
						|
            /*
 | 
						|
             * Ok, the old bits are available in pOldPixmap and
 | 
						|
             * need to be copied to pNewPixmap.
 | 
						|
             */
 | 
						|
            RegionRec rgnDst;
 | 
						|
            GCPtr pGC;
 | 
						|
 | 
						|
            dx = ptOldOrg.x - pWin->drawable.x;
 | 
						|
            dy = ptOldOrg.y - pWin->drawable.y;
 | 
						|
            RegionTranslate(prgnSrc, -dx, -dy);
 | 
						|
 | 
						|
            RegionNull(&rgnDst);
 | 
						|
 | 
						|
            RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc);
 | 
						|
 | 
						|
            RegionTranslate(&rgnDst, -pPixmap->screen_x, -pPixmap->screen_y);
 | 
						|
 | 
						|
            dx = dx + pPixmap->screen_x - cw->oldx;
 | 
						|
            dy = dy + pPixmap->screen_y - cw->oldy;
 | 
						|
            pGC = GetScratchGC(pPixmap->drawable.depth, pScreen);
 | 
						|
            if (pGC) {
 | 
						|
                BoxPtr pBox = RegionRects(&rgnDst);
 | 
						|
                int nBox = RegionNumRects(&rgnDst);
 | 
						|
 | 
						|
                ValidateGC(&pPixmap->drawable, pGC);
 | 
						|
                while (nBox--) {
 | 
						|
                    (void) (*pGC->ops->CopyArea) (&cw->pOldPixmap->drawable,
 | 
						|
                                                  &pPixmap->drawable,
 | 
						|
                                                  pGC,
 | 
						|
                                                  pBox->x1 + dx, pBox->y1 + dy,
 | 
						|
                                                  pBox->x2 - pBox->x1,
 | 
						|
                                                  pBox->y2 - pBox->y1,
 | 
						|
                                                  pBox->x1, pBox->y1);
 | 
						|
                    pBox++;
 | 
						|
                }
 | 
						|
                FreeScratchGC(pGC);
 | 
						|
            }
 | 
						|
            RegionUninit(&rgnDst);
 | 
						|
            return;
 | 
						|
        }
 | 
						|
        dx = pPixmap->screen_x - cw->oldx;
 | 
						|
        dy = pPixmap->screen_y - cw->oldy;
 | 
						|
        ptOldOrg.x += dx;
 | 
						|
        ptOldOrg.y += dy;
 | 
						|
    }
 | 
						|
 | 
						|
    pScreen->CopyWindow = cs->CopyWindow;
 | 
						|
    if (ptOldOrg.x != pWin->drawable.x || ptOldOrg.y != pWin->drawable.y) {
 | 
						|
        if (dx || dy)
 | 
						|
            RegionTranslate(prgnSrc, dx, dy);
 | 
						|
        (*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc);
 | 
						|
        if (dx || dy)
 | 
						|
            RegionTranslate(prgnSrc, -dx, -dy);
 | 
						|
    }
 | 
						|
    else {
 | 
						|
        ptOldOrg.x -= dx;
 | 
						|
        ptOldOrg.y -= dy;
 | 
						|
        RegionTranslate(prgnSrc,
 | 
						|
                        pWin->drawable.x - ptOldOrg.x,
 | 
						|
                        pWin->drawable.y - ptOldOrg.y);
 | 
						|
        DamageDamageRegion(&pWin->drawable, prgnSrc);
 | 
						|
    }
 | 
						|
    cs->CopyWindow = pScreen->CopyWindow;
 | 
						|
    pScreen->CopyWindow = compCopyWindow;
 | 
						|
    compCheckTree(pWin->drawable.pScreen);
 | 
						|
}
 | 
						|
 | 
						|
Bool
 | 
						|
compCreateWindow(WindowPtr pWin)
 | 
						|
{
 | 
						|
    ScreenPtr pScreen = pWin->drawable.pScreen;
 | 
						|
    CompScreenPtr cs = GetCompScreen(pScreen);
 | 
						|
    Bool ret;
 | 
						|
 | 
						|
    pScreen->CreateWindow = cs->CreateWindow;
 | 
						|
    ret = (*pScreen->CreateWindow) (pWin);
 | 
						|
    if (pWin->parent && ret) {
 | 
						|
        CompSubwindowsPtr csw = GetCompSubwindows(pWin->parent);
 | 
						|
        CompClientWindowPtr ccw;
 | 
						|
        PixmapPtr parent_pixmap = (*pScreen->GetWindowPixmap)(pWin->parent);
 | 
						|
        PixmapPtr window_pixmap = (*pScreen->GetWindowPixmap)(pWin);
 | 
						|
 | 
						|
        if (window_pixmap != parent_pixmap)
 | 
						|
            (*pScreen->SetWindowPixmap) (pWin, parent_pixmap);
 | 
						|
        if (csw)
 | 
						|
            for (ccw = csw->clients; ccw; ccw = ccw->next)
 | 
						|
                compRedirectWindow(clients[CLIENT_ID(ccw->id)],
 | 
						|
                                   pWin, ccw->update);
 | 
						|
        if (compImplicitRedirect(pWin, pWin->parent))
 | 
						|
            compRedirectWindow(serverClient, pWin, CompositeRedirectAutomatic);
 | 
						|
    }
 | 
						|
    cs->CreateWindow = pScreen->CreateWindow;
 | 
						|
    pScreen->CreateWindow = compCreateWindow;
 | 
						|
    compCheckTree(pWin->drawable.pScreen);
 | 
						|
    return ret;
 | 
						|
}
 | 
						|
 | 
						|
void compWindowDestroy(ScreenPtr pScreen, WindowPtr pWin, void *arg)
 | 
						|
{
 | 
						|
    CompScreenPtr cs = GetCompScreen(pScreen);
 | 
						|
    CompWindowPtr cw;
 | 
						|
    CompSubwindowsPtr csw;
 | 
						|
 | 
						|
    while ((cw = GetCompWindow(pWin)))
 | 
						|
        FreeResource(cw->clients->id, X11_RESTYPE_NONE);
 | 
						|
    while ((csw = GetCompSubwindows(pWin)))
 | 
						|
        FreeResource(csw->clients->id, X11_RESTYPE_NONE);
 | 
						|
 | 
						|
    if (pWin->redirectDraw != RedirectDrawNone) {
 | 
						|
        PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
 | 
						|
 | 
						|
        compSetParentPixmap(pWin);
 | 
						|
        dixDestroyPixmap(pPixmap, 0);
 | 
						|
    }
 | 
						|
 | 
						|
    /* Did we just destroy the overlay window? */
 | 
						|
    if (pWin == cs->pOverlayWin)
 | 
						|
        cs->pOverlayWin = NULL;
 | 
						|
 | 
						|
/*    compCheckTree (pWin->drawable.pScreen); can't check -- tree isn't good*/
 | 
						|
}
 | 
						|
 | 
						|
void
 | 
						|
compSetRedirectBorderClip(WindowPtr pWin, RegionPtr pRegion)
 | 
						|
{
 | 
						|
    CompWindowPtr cw = GetCompWindow(pWin);
 | 
						|
    RegionRec damage;
 | 
						|
 | 
						|
    RegionNull(&damage);
 | 
						|
    /*
 | 
						|
     * Align old border clip with new border clip
 | 
						|
     */
 | 
						|
    RegionTranslate(&cw->borderClip,
 | 
						|
                    pWin->drawable.x - cw->borderClipX,
 | 
						|
                    pWin->drawable.y - cw->borderClipY);
 | 
						|
    /*
 | 
						|
     * Compute newly visible portion of window for repaint
 | 
						|
     */
 | 
						|
    RegionSubtract(&damage, pRegion, &cw->borderClip);
 | 
						|
    /*
 | 
						|
     * Report that as damaged so it will be redrawn
 | 
						|
     */
 | 
						|
    DamageDamageRegion(&pWin->drawable, &damage);
 | 
						|
    RegionUninit(&damage);
 | 
						|
    /*
 | 
						|
     * Save the new border clip region
 | 
						|
     */
 | 
						|
    RegionCopy(&cw->borderClip, pRegion);
 | 
						|
    cw->borderClipX = pWin->drawable.x;
 | 
						|
    cw->borderClipY = pWin->drawable.y;
 | 
						|
}
 | 
						|
 | 
						|
RegionPtr
 | 
						|
compGetRedirectBorderClip(WindowPtr pWin)
 | 
						|
{
 | 
						|
    CompWindowPtr cw = GetCompWindow(pWin);
 | 
						|
 | 
						|
    return &cw->borderClip;
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
compWindowUpdateAutomatic(WindowPtr pWin)
 | 
						|
{
 | 
						|
    CompWindowPtr cw = GetCompWindow(pWin);
 | 
						|
    ScreenPtr pScreen = pWin->drawable.pScreen;
 | 
						|
    WindowPtr pParent = pWin->parent;
 | 
						|
    PixmapPtr pSrcPixmap = (*pScreen->GetWindowPixmap) (pWin);
 | 
						|
    PictFormatPtr pSrcFormat = PictureWindowFormat(pWin);
 | 
						|
    PictFormatPtr pDstFormat = PictureWindowFormat(pWin->parent);
 | 
						|
    int error;
 | 
						|
    RegionPtr pRegion = DamageRegion(cw->damage);
 | 
						|
    PicturePtr pSrcPicture = CreatePicture(0, &pSrcPixmap->drawable,
 | 
						|
                                           pSrcFormat,
 | 
						|
                                           0, 0,
 | 
						|
                                           serverClient,
 | 
						|
                                           &error);
 | 
						|
    XID subwindowMode = IncludeInferiors;
 | 
						|
    PicturePtr pDstPicture = CreatePicture(0, &pParent->drawable,
 | 
						|
                                           pDstFormat,
 | 
						|
                                           CPSubwindowMode,
 | 
						|
                                           &subwindowMode,
 | 
						|
                                           serverClient,
 | 
						|
                                           &error);
 | 
						|
 | 
						|
    /*
 | 
						|
     * First move the region from window to screen coordinates
 | 
						|
     */
 | 
						|
    RegionTranslate(pRegion, pWin->drawable.x, pWin->drawable.y);
 | 
						|
 | 
						|
    /*
 | 
						|
     * Clip against the "real" border clip
 | 
						|
     */
 | 
						|
    RegionIntersect(pRegion, pRegion, &cw->borderClip);
 | 
						|
 | 
						|
    /*
 | 
						|
     * Now translate from screen to dest coordinates
 | 
						|
     */
 | 
						|
    RegionTranslate(pRegion, -pParent->drawable.x, -pParent->drawable.y);
 | 
						|
 | 
						|
    /*
 | 
						|
     * Clip the picture
 | 
						|
     */
 | 
						|
    SetPictureClipRegion(pDstPicture, 0, 0, pRegion);
 | 
						|
 | 
						|
    /*
 | 
						|
     * And paint
 | 
						|
     */
 | 
						|
    CompositePicture(PictOpSrc, pSrcPicture, 0, pDstPicture,
 | 
						|
                     0, 0,      /* src_x, src_y */
 | 
						|
                     0, 0,      /* msk_x, msk_y */
 | 
						|
                     pSrcPixmap->screen_x - pParent->drawable.x,
 | 
						|
                     pSrcPixmap->screen_y - pParent->drawable.y,
 | 
						|
                     pSrcPixmap->drawable.width, pSrcPixmap->drawable.height);
 | 
						|
    FreePicture(pSrcPicture, 0);
 | 
						|
    FreePicture(pDstPicture, 0);
 | 
						|
    /*
 | 
						|
     * Empty the damage region.  This has the nice effect of
 | 
						|
     * rendering the translations above harmless
 | 
						|
     */
 | 
						|
    DamageEmpty(cw->damage);
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
compPaintWindowToParent(WindowPtr pWin)
 | 
						|
{
 | 
						|
    compPaintChildrenToWindow(pWin);
 | 
						|
 | 
						|
    if (pWin->redirectDraw != RedirectDrawNone) {
 | 
						|
        CompWindowPtr cw = GetCompWindow(pWin);
 | 
						|
 | 
						|
        if (cw->damaged) {
 | 
						|
            compWindowUpdateAutomatic(pWin);
 | 
						|
            cw->damaged = FALSE;
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
void
 | 
						|
compPaintChildrenToWindow(WindowPtr pWin)
 | 
						|
{
 | 
						|
    WindowPtr pChild;
 | 
						|
 | 
						|
    if (!pWin->damagedDescendants)
 | 
						|
        return;
 | 
						|
 | 
						|
    for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib)
 | 
						|
        compPaintWindowToParent(pChild);
 | 
						|
 | 
						|
    pWin->damagedDescendants = FALSE;
 | 
						|
}
 | 
						|
 | 
						|
WindowPtr
 | 
						|
CompositeRealChildHead(WindowPtr pWin)
 | 
						|
{
 | 
						|
    WindowPtr pChild, pChildBefore;
 | 
						|
    CompScreenPtr cs;
 | 
						|
 | 
						|
    if (!pWin->parent &&
 | 
						|
        (screenIsSaved == SCREEN_SAVER_ON) &&
 | 
						|
        (HasSaverWindow(pWin->drawable.pScreen))) {
 | 
						|
 | 
						|
        /* First child is the screen saver; see if next child is the overlay */
 | 
						|
        pChildBefore = pWin->firstChild;
 | 
						|
        pChild = pChildBefore->nextSib;
 | 
						|
 | 
						|
    }
 | 
						|
    else {
 | 
						|
        pChildBefore = NullWindow;
 | 
						|
        pChild = pWin->firstChild;
 | 
						|
    }
 | 
						|
 | 
						|
    if (!pChild) {
 | 
						|
        return NullWindow;
 | 
						|
    }
 | 
						|
 | 
						|
    cs = GetCompScreen(pWin->drawable.pScreen);
 | 
						|
    if (pChild == cs->pOverlayWin) {
 | 
						|
        return pChild;
 | 
						|
    }
 | 
						|
    else {
 | 
						|
        return pChildBefore;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
int
 | 
						|
compConfigNotify(WindowPtr pWin, int x, int y, int w, int h,
 | 
						|
                 int bw, WindowPtr pSib)
 | 
						|
{
 | 
						|
    ScreenPtr pScreen = pWin->drawable.pScreen;
 | 
						|
    CompScreenPtr cs = GetCompScreen(pScreen);
 | 
						|
    Bool ret = 0;
 | 
						|
    WindowPtr pParent = pWin->parent;
 | 
						|
    int draw_x, draw_y;
 | 
						|
    Bool alloc_ret;
 | 
						|
 | 
						|
    if (cs->ConfigNotify) {
 | 
						|
        pScreen->ConfigNotify = cs->ConfigNotify;
 | 
						|
        ret = (*pScreen->ConfigNotify) (pWin, x, y, w, h, bw, pSib);
 | 
						|
        cs->ConfigNotify = pScreen->ConfigNotify;
 | 
						|
        pScreen->ConfigNotify = compConfigNotify;
 | 
						|
 | 
						|
        if (ret)
 | 
						|
            return ret;
 | 
						|
    }
 | 
						|
 | 
						|
    if (pWin->redirectDraw == RedirectDrawNone)
 | 
						|
        return Success;
 | 
						|
 | 
						|
    compCheckTree(pScreen);
 | 
						|
 | 
						|
    draw_x = pParent->drawable.x + x + bw;
 | 
						|
    draw_y = pParent->drawable.y + y + bw;
 | 
						|
    alloc_ret = compReallocPixmap(pWin, draw_x, draw_y, w, h, bw);
 | 
						|
 | 
						|
    if (alloc_ret == FALSE)
 | 
						|
        return BadAlloc;
 | 
						|
    return Success;
 | 
						|
}
 |