756 lines
20 KiB
C
756 lines
20 KiB
C
/*
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* $Id$
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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 COMPOSITE_DEBUG
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static int
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compCheckWindow (WindowPtr pWin, pointer 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 = 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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{
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assert (!pWin->redirectDraw);
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assert (pWinPixmap == pScreenPixmap);
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}
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else if (pWin->redirectDraw)
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{
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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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{
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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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} CompPixmapVisitRec, *CompPixmapVisitPtr;
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static Bool
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compRepaintBorder (ClientPtr pClient, pointer closure)
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{
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WindowPtr pWindow = LookupWindow ((XID) closure, pClient);
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if (pWindow)
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{
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RegionRec exposed;
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REGION_NULL(pScreen, &exposed);
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REGION_SUBTRACT(pScreen, &exposed, &pWindow->borderClip, &pWindow->winSize);
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(*pWindow->drawable.pScreen->PaintWindowBorder)(pWindow, &exposed, PW_BORDER);
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REGION_UNINIT(pScreen, &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, pointer 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)
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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 (HasBorder (pWindow))
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QueueWorkProc (compRepaintBorder, serverClient,
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(pointer) 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)
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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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TraverseTree (pWindow, compSetPixmapVisitWindow, (pointer) &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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Bool should;
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should = pWin->realized && (pWin->drawable.class != InputOnly) &&
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(cw != NULL);
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if (should != pWin->redirectDraw)
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{
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if (should)
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return compAllocPixmap (pWin);
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else
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compFreePixmap (pWin);
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}
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return TRUE;
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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 != (pWin->viewable && (GetCompWindow(pWin) != NULL)))
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abort ();
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#endif
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if (pWin->redirectDraw)
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{
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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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{
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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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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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void
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compPaintWindowBackground (WindowPtr pWin, RegionPtr pRegion, int what)
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{
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ScreenPtr pScreen = pWin->drawable.pScreen;
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CompSubwindowsPtr csw = GetCompSubwindows (pWin);
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CompScreenPtr cs = GetCompScreen (pScreen);
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if (csw && csw->update == CompositeRedirectManual)
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return;
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pScreen->PaintWindowBackground = cs->PaintWindowBackground;
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(*pScreen->PaintWindowBackground) (pWin, pRegion, what);
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cs->PaintWindowBackground = pScreen->PaintWindowBackground;
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pScreen->PaintWindowBackground = compPaintWindowBackground;
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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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{
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if (cw->borderClipX != pWin->drawable.x ||
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cw->borderClipY != pWin->drawable.y)
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{
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REGION_TRANSLATE (pScreen, &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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{
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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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/*
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* Returns TRUE if the window needs server-provided automatic redirect,
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* which is true if the child and parent aren't both regular or ARGB visuals
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*/
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static Bool
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compIsAlternateVisual (ScreenPtr pScreen,
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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; i < NUM_COMP_ALTERNATE_VISUALS; 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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compImplicitRedirect (WindowPtr pWin, WindowPtr pParent)
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{
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if (pParent)
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{
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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 (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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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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compCheckTree (pScreen);
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if (pWin->redirectDraw)
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{
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WindowPtr pParent;
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int draw_x, draw_y;
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unsigned int w, h, bw;
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/* if this is a root window, can't be moved */
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if (!(pParent = pWin->parent))
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return;
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bw = wBorderWidth (pWin);
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draw_x = pParent->drawable.x + x + (int)bw;
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draw_y = pParent->drawable.y + y + (int)bw;
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w = pWin->drawable.width;
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h = pWin->drawable.height;
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compReallocPixmap (pWin, draw_x, draw_y, w, h, bw);
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}
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compCheckTree (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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if (pWin->redirectDraw)
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{
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CompWindowPtr cw = GetCompWindow (pWin);
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if (cw->pOldPixmap)
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{
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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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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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compCheckTree (pScreen);
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if (pWin->redirectDraw)
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{
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WindowPtr pParent;
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int draw_x, draw_y;
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unsigned int bw;
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/* if this is a root window, can't be moved */
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if (!(pParent = pWin->parent))
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return;
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bw = wBorderWidth (pWin);
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draw_x = pParent->drawable.x + x + (int)bw;
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draw_y = pParent->drawable.y + y + (int)bw;
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compReallocPixmap (pWin, draw_x, draw_y, w, h, bw);
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}
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compCheckTree (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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if (pWin->redirectDraw)
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{
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CompWindowPtr cw = GetCompWindow (pWin);
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if (cw->pOldPixmap)
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{
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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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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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compCheckTree (pScreen);
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if (pWin->redirectDraw)
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{
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WindowPtr pParent;
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int draw_x, draw_y;
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unsigned int w, h;
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/* if this is a root window, can't be moved */
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if (!(pParent = pWin->parent))
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return;
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draw_x = pWin->drawable.x;
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draw_y = pWin->drawable.y;
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w = pWin->drawable.width;
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h = pWin->drawable.height;
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compReallocPixmap (pWin, draw_x, draw_y, w, h, bw);
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}
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compCheckTree (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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if (pWin->redirectDraw)
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{
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CompWindowPtr cw = GetCompWindow (pWin);
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if (cw->pOldPixmap)
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{
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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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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)
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compSetPixmap (pWin, (*pScreen->GetWindowPixmap) (pWin->parent));
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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)
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{
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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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/*
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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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PixmapPtr pPixmap = (*pScreen->GetWindowPixmap) (pWin);
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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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REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
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REGION_NULL (pWin->drawable.pScreen, &rgnDst);
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REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst,
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&pWin->borderClip, prgnSrc);
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REGION_TRANSLATE (pWin->drawable.pScreen, &rgnDst,
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-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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{
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BoxPtr pBox = REGION_RECTS (&rgnDst);
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int nBox = REGION_NUM_RECTS (&rgnDst);
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ValidateGC(&pPixmap->drawable, pGC);
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while (nBox--)
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{
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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,
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pBox->x2 - pBox->x1,
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pBox->y2 - pBox->y1,
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pBox->x1, pBox->y1);
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pBox++;
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}
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|
FreeScratchGC (pGC);
|
|
}
|
|
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)
|
|
REGION_TRANSLATE (pScreen, prgnSrc, dx, dy);
|
|
(*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc);
|
|
if (dx || dy)
|
|
REGION_TRANSLATE (pScreen, prgnSrc, -dx, -dy);
|
|
}
|
|
else
|
|
{
|
|
ptOldOrg.x -= dx;
|
|
ptOldOrg.y -= dy;
|
|
REGION_TRANSLATE (prgnSrc, 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;
|
|
|
|
(*pScreen->SetWindowPixmap) (pWin, (*pScreen->GetWindowPixmap) (pWin->parent));
|
|
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)
|
|
compFreePixmap (pWin);
|
|
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;
|
|
|
|
REGION_NULL (pScreen, &damage);
|
|
/*
|
|
* Align old border clip with new border clip
|
|
*/
|
|
REGION_TRANSLATE (pScreen, &cw->borderClip,
|
|
pWin->drawable.x - cw->borderClipX,
|
|
pWin->drawable.y - cw->borderClipY);
|
|
/*
|
|
* Compute newly visible portion of window for repaint
|
|
*/
|
|
REGION_SUBTRACT (pScreen, &damage, pRegion, &cw->borderClip);
|
|
/*
|
|
* Report that as damaged so it will be redrawn
|
|
*/
|
|
DamageDamageRegion (&pWin->drawable, &damage);
|
|
REGION_UNINIT (pScreen, &damage);
|
|
/*
|
|
* Save the new border clip region
|
|
*/
|
|
REGION_COPY (pScreen, &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 VisualPtr
|
|
compGetWindowVisual (WindowPtr pWin)
|
|
{
|
|
ScreenPtr pScreen = pWin->drawable.pScreen;
|
|
VisualID vid = wVisual (pWin);
|
|
int i;
|
|
|
|
for (i = 0; i < pScreen->numVisuals; i++)
|
|
if (pScreen->visuals[i].vid == vid)
|
|
return &pScreen->visuals[i];
|
|
return 0;
|
|
}
|
|
|
|
static PictFormatPtr
|
|
compWindowFormat (WindowPtr pWin)
|
|
{
|
|
ScreenPtr pScreen = pWin->drawable.pScreen;
|
|
|
|
return PictureMatchVisual (pScreen, pWin->drawable.depth,
|
|
compGetWindowVisual (pWin));
|
|
}
|
|
|
|
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 = compWindowFormat (pWin);
|
|
PictFormatPtr pDstFormat = compWindowFormat (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
|
|
*/
|
|
REGION_TRANSLATE (pScreen, pRegion,
|
|
pWin->drawable.x, pWin->drawable.y);
|
|
|
|
/*
|
|
* Clip against the "real" border clip
|
|
*/
|
|
REGION_INTERSECT (pScreen, pRegion, pRegion, &cw->borderClip);
|
|
|
|
/*
|
|
* Now translate from screen to dest coordinates
|
|
*/
|
|
REGION_TRANSLATE (pScreen, 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);
|
|
}
|
|
|
|
void
|
|
compWindowUpdate (WindowPtr pWin)
|
|
{
|
|
WindowPtr pChild;
|
|
|
|
for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib)
|
|
compWindowUpdate (pChild);
|
|
if (pWin->redirectDraw)
|
|
{
|
|
CompWindowPtr cw = GetCompWindow(pWin);
|
|
|
|
if (cw->damaged)
|
|
{
|
|
compWindowUpdateAutomatic (pWin);
|
|
cw->damaged = FALSE;
|
|
}
|
|
}
|
|
}
|