810 lines
24 KiB
C
810 lines
24 KiB
C
/*
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* Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
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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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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "compint.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 && pWinPixmap->refcnt < 3);
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assert(0 < pScreenPixmap->refcnt && pScreenPixmap->refcnt < 3);
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if (pParentPixmap)
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assert(0 <= pParentPixmap->refcnt && pParentPixmap->refcnt < 3);
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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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(*pScreen->DestroyPixmap) (pPixmap);
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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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Bool
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compPositionWindow(WindowPtr pWin, int x, int y)
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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->PositionWindow = cs->PositionWindow;
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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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if (!(*pScreen->PositionWindow) (pWin, x, y))
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ret = FALSE;
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cs->PositionWindow = pScreen->PositionWindow;
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pScreen->PositionWindow = compPositionWindow;
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compCheckTree(pWin->drawable.pScreen);
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if (updateOverlayWindow(pScreen) != Success)
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ret = FALSE;
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return ret;
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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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static Bool
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compIsImplicitRedirectException(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 (compIsImplicitRedirectException(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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ScreenPtr pScreen = pWin->drawable.pScreen;
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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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(*pScreen->DestroyPixmap) (cw->pOldPixmap);
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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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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 implict 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
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* (this actually should never be true; pWin is always unmapped)
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*/
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compCheckRedirect(pWin);
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/*
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* Reset pixmap pointers as appropriate
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*/
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if (pWin->parent && pWin->redirectDraw == RedirectDrawNone)
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compSetPixmap(pWin, (*pScreen->GetWindowPixmap) (pWin->parent),
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pWin->borderWidth);
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/*
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* Call down to next function
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*/
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if (pScreen->ReparentWindow)
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(*pScreen->ReparentWindow) (pWin, pPriorParent);
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cs->ReparentWindow = pScreen->ReparentWindow;
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pScreen->ReparentWindow = compReparentWindow;
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compCheckTree(pWin->drawable.pScreen);
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}
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void
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compCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
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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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int dx = 0, dy = 0;
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if (pWin->redirectDraw != RedirectDrawNone) {
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PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
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CompWindowPtr cw = GetCompWindow(pWin);
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assert(cw->oldx != COMP_ORIGIN_INVALID);
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assert(cw->oldy != COMP_ORIGIN_INVALID);
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if (cw->pOldPixmap) {
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/*
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* Ok, the old bits are available in pOldPixmap and
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* need to be copied to pNewPixmap.
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*/
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RegionRec rgnDst;
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GCPtr pGC;
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dx = ptOldOrg.x - pWin->drawable.x;
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dy = ptOldOrg.y - pWin->drawable.y;
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RegionTranslate(prgnSrc, -dx, -dy);
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RegionNull(&rgnDst);
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RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc);
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RegionTranslate(&rgnDst, -pPixmap->screen_x, -pPixmap->screen_y);
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dx = dx + pPixmap->screen_x - cw->oldx;
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dy = dy + pPixmap->screen_y - cw->oldy;
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pGC = GetScratchGC(pPixmap->drawable.depth, pScreen);
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if (pGC) {
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BoxPtr pBox = RegionRects(&rgnDst);
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int nBox = RegionNumRects(&rgnDst);
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ValidateGC(&pPixmap->drawable, pGC);
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while (nBox--) {
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(void) (*pGC->ops->CopyArea) (&cw->pOldPixmap->drawable,
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&pPixmap->drawable,
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pGC,
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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;
|
|
}
|
|
|
|
Bool
|
|
compDestroyWindow(WindowPtr pWin)
|
|
{
|
|
ScreenPtr pScreen = pWin->drawable.pScreen;
|
|
CompScreenPtr cs = GetCompScreen(pScreen);
|
|
CompWindowPtr cw;
|
|
CompSubwindowsPtr csw;
|
|
Bool ret;
|
|
|
|
pScreen->DestroyWindow = cs->DestroyWindow;
|
|
while ((cw = GetCompWindow(pWin)))
|
|
FreeResource(cw->clients->id, RT_NONE);
|
|
while ((csw = GetCompSubwindows(pWin)))
|
|
FreeResource(csw->clients->id, RT_NONE);
|
|
|
|
if (pWin->redirectDraw != RedirectDrawNone) {
|
|
PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
|
|
|
|
compSetParentPixmap(pWin);
|
|
(*pScreen->DestroyPixmap) (pPixmap);
|
|
}
|
|
ret = (*pScreen->DestroyWindow) (pWin);
|
|
cs->DestroyWindow = pScreen->DestroyWindow;
|
|
pScreen->DestroyWindow = compDestroyWindow;
|
|
/* compCheckTree (pWin->drawable.pScreen); can't check -- tree isn't good*/
|
|
return ret;
|
|
}
|
|
|
|
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;
|
|
}
|