249 lines
9.4 KiB
C
249 lines
9.4 KiB
C
/***********************************************************
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Copyright 1987, 1998 The Open Group
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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.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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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 THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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#ifndef WINDOWSTRUCT_H
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#define WINDOWSTRUCT_H
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#include "window.h"
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#include "pixmapstr.h"
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#include "regionstr.h"
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#include "cursor.h"
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#include "property.h"
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#include "resource.h" /* for ROOT_WINDOW_ID_BASE */
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#include "dix.h"
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#include "privates.h"
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#include "miscstruct.h"
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#include <X11/Xprotostr.h>
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#include "opaque.h"
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#include "inputstr.h"
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#define GuaranteeNothing 0
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#define GuaranteeVisBack 1
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#define SameBackground(as, a, bs, b) \
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((as) == (bs) && ((as) == None || \
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(as) == ParentRelative || \
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SamePixUnion(a,b,as == BackgroundPixel)))
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#define SameBorder(as, a, bs, b) \
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EqualPixUnion(as, a, bs, b)
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/* used as NULL-terminated list */
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typedef struct _DevCursorNode {
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CursorPtr cursor;
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DeviceIntPtr dev;
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struct _DevCursorNode* next;
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} DevCursNodeRec, *DevCursNodePtr, *DevCursorList;
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/* Mask structure for GE extension as stored on the window.
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* Allows one mask per extension.
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* .eventMask - Summary mask for all clients, used for quick checking.
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* .geClients - list of clients with their specific mask.
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*/
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typedef struct _GenericClientMasks {
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Mask eventMasks[MAXEXTENSIONS];
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GenericMaskPtr geClients;
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} GenericClientMasksRec, *GenericClientMasksPtr;
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typedef struct _WindowAccessRec {
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int defaultRule; /* WindowAccessDenyAll */
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DeviceIntPtr* perm;
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int nperm;
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DeviceIntPtr* deny;
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int ndeny;
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} WindowAccessRec, *WindowAccessPtr;
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typedef struct _WindowOpt {
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VisualID visual; /* default: same as parent */
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CursorPtr cursor; /* default: window.cursorNone */
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Colormap colormap; /* default: same as parent */
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Mask dontPropagateMask; /* default: window.dontPropagate */
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Mask otherEventMasks; /* default: 0 */
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struct _OtherClients *otherClients; /* default: NULL */
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struct _GrabRec *passiveGrabs; /* default: NULL */
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PropertyPtr userProps; /* default: NULL */
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unsigned long backingBitPlanes; /* default: ~0L */
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unsigned long backingPixel; /* default: 0 */
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RegionPtr boundingShape; /* default: NULL */
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RegionPtr clipShape; /* default: NULL */
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RegionPtr inputShape; /* default: NULL */
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struct _OtherInputMasks *inputMasks; /* default: NULL */
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DevCursorList deviceCursors; /* default: NULL */
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struct _GenericClientMasks *geMasks; /* default: NULL */
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WindowAccessRec access;
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} WindowOptRec, *WindowOptPtr;
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#define BackgroundPixel 2L
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#define BackgroundPixmap 3L
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/*
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* The redirectDraw field can have one of three values:
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*
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* RedirectDrawNone
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* A normal window; painted into the same pixmap as the parent
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* and clipping parent and siblings to its geometry. These
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* windows get a clip list equal to the intersection of their
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* geometry with the parent geometry, minus the geometry
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* of overlapping None and Clipped siblings.
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* RedirectDrawAutomatic
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* A redirected window which clips parent and sibling drawing.
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* Contents for these windows are manage inside the server.
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* These windows get an internal clip list equal to their
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* geometry.
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* RedirectDrawManual
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* A redirected window which does not clip parent and sibling
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* drawing; the window must be represented within the parent
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* geometry by the client performing the redirection management.
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* Contents for these windows are managed outside the server.
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* These windows get an internal clip list equal to their
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* geometry.
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*/
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#define RedirectDrawNone 0
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#define RedirectDrawAutomatic 1
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#define RedirectDrawManual 2
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typedef struct _Window {
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DrawableRec drawable;
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PrivateRec *devPrivates;
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WindowPtr parent; /* ancestor chain */
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WindowPtr nextSib; /* next lower sibling */
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WindowPtr prevSib; /* next higher sibling */
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WindowPtr firstChild; /* top-most child */
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WindowPtr lastChild; /* bottom-most child */
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RegionRec clipList; /* clipping rectangle for output */
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RegionRec borderClip; /* NotClippedByChildren + border */
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union _Validate *valdata;
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RegionRec winSize;
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RegionRec borderSize;
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DDXPointRec origin; /* position relative to parent */
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unsigned short borderWidth;
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unsigned short deliverableEvents;
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Mask eventMask;
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PixUnion background;
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PixUnion border;
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pointer backStorage; /* null when BS disabled */
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WindowOptPtr optional;
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unsigned backgroundState:2; /* None, Relative, Pixel, Pixmap */
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unsigned borderIsPixel:1;
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unsigned cursorIsNone:1; /* else real cursor (might inherit) */
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unsigned backingStore:2;
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unsigned saveUnder:1;
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unsigned DIXsaveUnder:1;
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unsigned bitGravity:4;
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unsigned winGravity:4;
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unsigned overrideRedirect:1;
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unsigned visibility:2;
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unsigned mapped:1;
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unsigned realized:1; /* ancestors are all mapped */
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unsigned viewable:1; /* realized && InputOutput */
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unsigned dontPropagate:3;/* index into DontPropagateMasks */
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unsigned forcedBS:1; /* system-supplied backingStore */
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unsigned redirectDraw:2; /* COMPOSITE rendering redirect */
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unsigned forcedBG:1; /* must have an opaque background */
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#ifdef ROOTLESS
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unsigned rootlessUnhittable:1; /* doesn't hit-test */
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#endif
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} WindowRec;
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/*
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* Ok, a bunch of macros for accessing the optional record
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* fields (or filling the appropriate default value)
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*/
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extern Mask DontPropagateMasks[];
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#define wTrackParent(w,field) ((w)->optional ? \
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(w)->optional->field \
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: FindWindowWithOptional(w)->optional->field)
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#define wUseDefault(w,field,def) ((w)->optional ? \
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(w)->optional->field \
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: def)
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#define wVisual(w) wTrackParent(w, visual)
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#define wCursor(w) ((w)->cursorIsNone ? None : wTrackParent(w, cursor))
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#define wColormap(w) ((w)->drawable.class == InputOnly ? None : wTrackParent(w, colormap))
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#define wDontPropagateMask(w) wUseDefault(w, dontPropagateMask, DontPropagateMasks[(w)->dontPropagate])
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#define wOtherEventMasks(w) wUseDefault(w, otherEventMasks, 0)
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#define wOtherClients(w) wUseDefault(w, otherClients, NULL)
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#define wOtherInputMasks(w) wUseDefault(w, inputMasks, NULL)
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#define wPassiveGrabs(w) wUseDefault(w, passiveGrabs, NULL)
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#define wUserProps(w) wUseDefault(w, userProps, NULL)
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#define wBackingBitPlanes(w) wUseDefault(w, backingBitPlanes, ~0L)
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#define wBackingPixel(w) wUseDefault(w, backingPixel, 0)
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#define wBoundingShape(w) wUseDefault(w, boundingShape, NULL)
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#define wClipShape(w) wUseDefault(w, clipShape, NULL)
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#define wInputShape(w) wUseDefault(w, inputShape, NULL)
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#define wClient(w) (clients[CLIENT_ID((w)->drawable.id)])
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#define wBorderWidth(w) ((int) (w)->borderWidth)
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/* true when w needs a border drawn. */
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#define HasBorder(w) ((w)->borderWidth || wClipShape(w))
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typedef struct _ScreenSaverStuff {
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WindowPtr pWindow;
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XID wid;
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char blanked;
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Bool (*ExternalScreenSaver)(
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ScreenPtr /*pScreen*/,
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int /*xstate*/,
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Bool /*force*/);
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} ScreenSaverStuffRec, *ScreenSaverStuffPtr;
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#define SCREEN_IS_BLANKED 0
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#define SCREEN_ISNT_SAVED 1
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#define SCREEN_IS_TILED 2
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#define SCREEN_IS_BLACK 3
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#define HasSaverWindow(i) (savedScreenInfo[i].pWindow != NullWindow)
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extern int screenIsSaved;
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extern ScreenSaverStuffRec savedScreenInfo[MAXSCREENS];
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#endif /* WINDOWSTRUCT_H */
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