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+/***********************************************************
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+#ifndef WINDOWSTRUCT_H
+#define WINDOWSTRUCT_H
+
+#include "window.h"
+#include "pixmapstr.h"
+#include "regionstr.h"
+#include "cursor.h"
+#include "property.h"
+#include "resource.h" /* for ROOT_WINDOW_ID_BASE */
+#include "dix.h"
+#include "privates.h"
+#include "miscstruct.h"
+#include <X11/Xprotostr.h>
+#include "opaque.h"
+
+#define GuaranteeNothing 0
+#define GuaranteeVisBack 1
+
+#define SameBackground(as, a, bs, b) \
+ ((as) == (bs) && ((as) == None || \
+ (as) == ParentRelative || \
+ SamePixUnion(a,b,as == BackgroundPixel)))
+
+#define SameBorder(as, a, bs, b) \
+ EqualPixUnion(as, a, bs, b)
+
+typedef struct _WindowOpt {
+ VisualID visual; /* default: same as parent */
+ CursorPtr cursor; /* default: window.cursorNone */
+ Colormap colormap; /* default: same as parent */
+ Mask dontPropagateMask; /* default: window.dontPropagate */
+ Mask otherEventMasks; /* default: 0 */
+ struct _OtherClients *otherClients; /* default: NULL */
+ struct _GrabRec *passiveGrabs; /* default: NULL */
+ PropertyPtr userProps; /* default: NULL */
+ unsigned long backingBitPlanes; /* default: ~0L */
+ unsigned long backingPixel; /* default: 0 */
+#ifdef SHAPE
+ RegionPtr boundingShape; /* default: NULL */
+ RegionPtr clipShape; /* default: NULL */
+ RegionPtr inputShape; /* default: NULL */
+#endif
+#ifdef XINPUT
+ struct _OtherInputMasks *inputMasks; /* default: NULL */
+#endif
+} WindowOptRec, *WindowOptPtr;
+
+#define BackgroundPixel 2L
+#define BackgroundPixmap 3L
+
+/*
+ * The redirectDraw field can have one of three values:
+ *
+ * RedirectDrawNone
+ * A normal window; painted into the same pixmap as the parent
+ * and clipping parent and siblings to its geometry. These
+ * windows get a clip list equal to the intersection of their
+ * geometry with the parent geometry, minus the geometry
+ * of overlapping None and Clipped siblings.
+ * RedirectDrawAutomatic
+ * A redirected window which clips parent and sibling drawing.
+ * Contents for these windows are manage inside the server.
+ * These windows get an internal clip list equal to their
+ * geometry.
+ * RedirectDrawManual
+ * A redirected window which does not clip parent and sibling
+ * drawing; the window must be represented within the parent
+ * geometry by the client performing the redirection management.
+ * Contents for these windows are managed outside the server.
+ * These windows get an internal clip list equal to their
+ * geometry.
+ */
+
+#define RedirectDrawNone 0
+#define RedirectDrawAutomatic 1
+#define RedirectDrawManual 2
+
+typedef struct _Window {
+ DrawableRec drawable;
+ PrivateRec *devPrivates;
+ WindowPtr parent; /* ancestor chain */
+ WindowPtr nextSib; /* next lower sibling */
+ WindowPtr prevSib; /* next higher sibling */
+ WindowPtr firstChild; /* top-most child */
+ WindowPtr lastChild; /* bottom-most child */
+ RegionRec clipList; /* clipping rectangle for output */
+ RegionRec borderClip; /* NotClippedByChildren + border */
+ union _Validate *valdata;
+ RegionRec winSize;
+ RegionRec borderSize;
+ DDXPointRec origin; /* position relative to parent */
+ unsigned short borderWidth;
+ unsigned short deliverableEvents;
+ Mask eventMask;
+ PixUnion background;
+ PixUnion border;
+ pointer backStorage; /* null when BS disabled */
+ WindowOptPtr optional;
+ unsigned backgroundState:2; /* None, Relative, Pixel, Pixmap */
+ unsigned borderIsPixel:1;
+ unsigned cursorIsNone:1; /* else real cursor (might inherit) */
+ unsigned backingStore:2;
+ unsigned saveUnder:1;
+ unsigned DIXsaveUnder:1;
+ unsigned bitGravity:4;
+ unsigned winGravity:4;
+ unsigned overrideRedirect:1;
+ unsigned visibility:2;
+ unsigned mapped:1;
+ unsigned realized:1; /* ancestors are all mapped */
+ unsigned viewable:1; /* realized && InputOutput */
+ unsigned dontPropagate:3;/* index into DontPropagateMasks */
+ unsigned forcedBS:1; /* system-supplied backingStore */
+ unsigned redirectDraw:2; /* COMPOSITE rendering redirect */
+ unsigned forcedBG:1; /* must have an opaque background */
+} WindowRec;
+
+/*
+ * Ok, a bunch of macros for accessing the optional record
+ * fields (or filling the appropriate default value)
+ */
+
+extern Mask DontPropagateMasks[];
+
+#define wTrackParent(w,field) ((w)->optional ? \
+ (w)->optional->field \
+ : FindWindowWithOptional(w)->optional->field)
+#define wUseDefault(w,field,def) ((w)->optional ? \
+ (w)->optional->field \
+ : def)
+
+#define wVisual(w) wTrackParent(w, visual)
+#define wCursor(w) ((w)->cursorIsNone ? None : wTrackParent(w, cursor))
+#define wColormap(w) ((w)->drawable.class == InputOnly ? None : wTrackParent(w, colormap))
+#define wDontPropagateMask(w) wUseDefault(w, dontPropagateMask, DontPropagateMasks[(w)->dontPropagate])
+#define wOtherEventMasks(w) wUseDefault(w, otherEventMasks, 0)
+#define wOtherClients(w) wUseDefault(w, otherClients, NULL)
+#ifdef XINPUT
+#define wOtherInputMasks(w) wUseDefault(w, inputMasks, NULL)
+#else
+#define wOtherInputMasks(w) NULL
+#endif
+#define wPassiveGrabs(w) wUseDefault(w, passiveGrabs, NULL)
+#define wUserProps(w) wUseDefault(w, userProps, NULL)
+#define wBackingBitPlanes(w) wUseDefault(w, backingBitPlanes, ~0L)
+#define wBackingPixel(w) wUseDefault(w, backingPixel, 0)
+#ifdef SHAPE
+#define wBoundingShape(w) wUseDefault(w, boundingShape, NULL)
+#define wClipShape(w) wUseDefault(w, clipShape, NULL)
+#define wInputShape(w) wUseDefault(w, inputShape, NULL)
+#endif
+#define wClient(w) (clients[CLIENT_ID((w)->drawable.id)])
+#define wBorderWidth(w) ((int) (w)->borderWidth)
+
+/* true when w needs a border drawn. */
+
+#ifdef SHAPE
+#define HasBorder(w) ((w)->borderWidth || wClipShape(w))
+#else
+#define HasBorder(w) ((w)->borderWidth)
+#endif
+
+typedef struct _ScreenSaverStuff {
+ WindowPtr pWindow;
+ XID wid;
+ char blanked;
+ Bool (*ExternalScreenSaver)(
+ ScreenPtr /*pScreen*/,
+ int /*xstate*/,
+ Bool /*force*/);
+} ScreenSaverStuffRec, *ScreenSaverStuffPtr;
+
+#define SCREEN_IS_BLANKED 0
+#define SCREEN_ISNT_SAVED 1
+#define SCREEN_IS_TILED 2
+#define SCREEN_IS_BLACK 3
+
+#define HasSaverWindow(i) (savedScreenInfo[i].pWindow != NullWindow)
+
+extern int screenIsSaved;
+extern ScreenSaverStuffRec savedScreenInfo[MAXSCREENS];
+
+/*
+ * this is the configuration parameter "NO_BACK_SAVE"
+ * it means that any existant backing store should not
+ * be used to implement save unders.
+ */
+
+#ifndef NO_BACK_SAVE
+#define DO_SAVE_UNDERS(pWin) ((pWin)->drawable.pScreen->saveUnderSupport ==\
+ USE_DIX_SAVE_UNDERS)
+/*
+ * saveUnderSupport is set to this magic value when using DIXsaveUnders
+ */
+
+#define USE_DIX_SAVE_UNDERS 0x40
+#endif
+
+extern int numSaveUndersViewable;
+extern int deltaSaveUndersViewable;
+
+#ifdef XEVIE
+extern WindowPtr xeviewin;
+#endif
+
+#endif /* WINDOWSTRUCT_H */