a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync/* $Xorg: windowstr.h,v 1.4 2001/02/09 02:05:16 xorgcvs Exp $ */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync/***********************************************************
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncCopyright 1987, 1998 The Open Group
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncPermission to use, copy, modify, distribute, and sell this software and its
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncdocumentation for any purpose is hereby granted without fee, provided that
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncthe above copyright notice appear in all copies and that both that
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsynccopyright notice and this permission notice appear in supporting
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncdocumentation.
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncThe above copyright notice and this permission notice shall be included in
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncall copies or substantial portions of the Software.
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncOPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncAN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncCONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncExcept as contained in this notice, the name of The Open Group shall not be
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncused in advertising or otherwise to promote the sale, use or other dealings
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncin this Software without prior written authorization from The Open Group.
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncCopyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync All Rights Reserved
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncPermission to use, copy, modify, and distribute this software and its
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncdocumentation for any purpose and without fee is hereby granted,
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncprovided that the above copyright notice appear in all copies and that
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncboth that copyright notice and this permission notice appear in
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncsupporting documentation, and that the name of Digital not be
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncused in advertising or publicity pertaining to distribution of the
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncsoftware without specific, written prior permission.
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncDIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncDIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncWHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncSOFTWARE.
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync******************************************************************/
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync/* $XFree86: xc/programs/Xserver/include/windowstr.h,v 1.6 2001/12/14 19:59:57 dawes Exp $ */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#ifndef WINDOWSTRUCT_H
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define WINDOWSTRUCT_H
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#include "window.h"
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#include "pixmapstr.h"
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#include "regionstr.h"
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#include "cursor.h"
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#include "property.h"
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#include "resource.h" /* for ROOT_WINDOW_ID_BASE */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#include "dix.h"
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#include "miscstruct.h"
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#include "X11/Xprotostr.h"
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#include "opaque.h"
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define GuaranteeNothing 0
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define GuaranteeVisBack 1
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define SameBackground(as, a, bs, b) \
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync ((as) == (bs) && ((as) == None || \
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync (as) == ParentRelative || \
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync SamePixUnion(a,b,as == BackgroundPixel)))
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define SameBorder(as, a, bs, b) \
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync EqualPixUnion(as, a, bs, b)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsynctypedef struct _WindowOpt {
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync VisualID visual; /* default: same as parent */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync CursorPtr cursor; /* default: window.cursorNone */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync Colormap colormap; /* default: same as parent */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync Mask dontPropagateMask; /* default: window.dontPropagate */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync Mask otherEventMasks; /* default: 0 */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync struct _OtherClients *otherClients; /* default: NULL */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync struct _GrabRec *passiveGrabs; /* default: NULL */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync PropertyPtr userProps; /* default: NULL */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned long backingBitPlanes; /* default: ~0L */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned long backingPixel; /* default: 0 */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#ifdef SHAPE
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync RegionPtr boundingShape; /* default: NULL */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync RegionPtr clipShape; /* default: NULL */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#endif
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#ifdef XINPUT
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync struct _OtherInputMasks *inputMasks; /* default: NULL */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#endif
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync} WindowOptRec, *WindowOptPtr;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define BackgroundPixel 2L
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define BackgroundPixmap 3L
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsynctypedef struct _Window {
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync DrawableRec drawable;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync WindowPtr parent; /* ancestor chain */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync WindowPtr nextSib; /* next lower sibling */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync WindowPtr prevSib; /* next higher sibling */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync WindowPtr firstChild; /* top-most child */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync WindowPtr lastChild; /* bottom-most child */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync RegionRec clipList; /* clipping rectangle for output */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync RegionRec borderClip; /* NotClippedByChildren + border */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync union _Validate *valdata;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync RegionRec winSize;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync RegionRec borderSize;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync DDXPointRec origin; /* position relative to parent */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned short borderWidth;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned short deliverableEvents;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync Mask eventMask;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync PixUnion background;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync PixUnion border;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync pointer backStorage; /* null when BS disabled */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync WindowOptPtr optional;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned backgroundState:2; /* None, Relative, Pixel, Pixmap */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned borderIsPixel:1;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned cursorIsNone:1; /* else real cursor (might inherit) */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned backingStore:2;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned saveUnder:1;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned DIXsaveUnder:1;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned bitGravity:4;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned winGravity:4;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned overrideRedirect:1;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned visibility:2;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned mapped:1;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned realized:1; /* ancestors are all mapped */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned viewable:1; /* realized && InputOutput */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned dontPropagate:3;/* index into DontPropagateMasks */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned forcedBS:1; /* system-supplied backingStore */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#ifdef NEED_DBE_BUF_BITS
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define DBE_FRONT_BUFFER 1
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define DBE_BACK_BUFFER 0
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned dstBuffer:1; /* destination buffer for rendering */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync unsigned srcBuffer:1; /* source buffer for rendering */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#endif
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync DevUnion *devPrivates;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync} WindowRec;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync/*
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync * Ok, a bunch of macros for accessing the optional record
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync * fields (or filling the appropriate default value)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncextern Mask DontPropagateMasks[];
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wTrackParent(w,field) ((w)->optional ? \
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync (w)->optional->field \
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync : FindWindowWithOptional(w)->optional->field)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wUseDefault(w,field,def) ((w)->optional ? \
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync (w)->optional->field \
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync : def)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wVisual(w) wTrackParent(w, visual)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wCursor(w) ((w)->cursorIsNone ? None : wTrackParent(w, cursor))
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wColormap(w) ((w)->drawable.class == InputOnly ? None : wTrackParent(w, colormap))
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wDontPropagateMask(w) wUseDefault(w, dontPropagateMask, DontPropagateMasks[(w)->dontPropagate])
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wOtherEventMasks(w) wUseDefault(w, otherEventMasks, 0)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wOtherClients(w) wUseDefault(w, otherClients, NULL)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#ifdef XINPUT
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wOtherInputMasks(w) wUseDefault(w, inputMasks, NULL)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#else
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wOtherInputMasks(w) NULL
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#endif
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wPassiveGrabs(w) wUseDefault(w, passiveGrabs, NULL)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wUserProps(w) wUseDefault(w, userProps, NULL)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wBackingBitPlanes(w) wUseDefault(w, backingBitPlanes, ~0L)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wBackingPixel(w) wUseDefault(w, backingPixel, 0)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#ifdef SHAPE
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wBoundingShape(w) wUseDefault(w, boundingShape, NULL)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wClipShape(w) wUseDefault(w, clipShape, NULL)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#endif
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wClient(w) (clients[CLIENT_ID((w)->drawable.id)])
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define wBorderWidth(w) ((int) (w)->borderWidth)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync/* true when w needs a border drawn. */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#ifdef SHAPE
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define HasBorder(w) ((w)->borderWidth || wClipShape(w))
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#else
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define HasBorder(w) ((w)->borderWidth)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#endif
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsynctypedef struct _ScreenSaverStuff {
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync WindowPtr pWindow;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync XID wid;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync char blanked;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync Bool (*ExternalScreenSaver)(
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#if NeedNestedPrototypes
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync ScreenPtr /*pScreen*/,
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync int /*xstate*/,
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync Bool /*force*/
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#endif
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync );
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync} ScreenSaverStuffRec, *ScreenSaverStuffPtr;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define SCREEN_IS_BLANKED 0
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define SCREEN_ISNT_SAVED 1
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define SCREEN_IS_TILED 2
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define SCREEN_IS_BLACK 3
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define HasSaverWindow(i) (savedScreenInfo[i].pWindow != NullWindow)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncextern int screenIsSaved;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncextern ScreenSaverStuffRec savedScreenInfo[MAXSCREENS];
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync/*
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync * this is the configuration parameter "NO_BACK_SAVE"
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync * it means that any existant backing store should not
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync * be used to implement save unders.
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#ifndef NO_BACK_SAVE
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define DO_SAVE_UNDERS(pWin) ((pWin)->drawable.pScreen->saveUnderSupport ==\
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync USE_DIX_SAVE_UNDERS)
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync/*
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync * saveUnderSupport is set to this magic value when using DIXsaveUnders
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync */
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#define USE_DIX_SAVE_UNDERS 0x40
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#endif
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncextern int numSaveUndersViewable;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsyncextern int deltaSaveUndersViewable;
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync
a2760a4d593af57a19ec32cdfd1723b68495df8cvboxsync#endif /* WINDOWSTRUCT_H */