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/* $Xorg: windowstr.h,v 1.4 2001/02/09 02:05:16 xorgcvs Exp $ */
/***********************************************************
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 "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 */
#endif
#ifdef XINPUT
struct _OtherInputMasks *inputMasks; /* default: NULL */
#endif
} WindowOptRec, *WindowOptPtr;
#define BackgroundPixel 2L
#define BackgroundPixmap 3L
typedef struct _Window {
DrawableRec drawable;
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 */
#ifdef NEED_DBE_BUF_BITS
#define DBE_FRONT_BUFFER 1
#define DBE_BACK_BUFFER 0
unsigned dstBuffer:1; /* destination buffer for rendering */
unsigned srcBuffer:1; /* source buffer for rendering */
#endif
DevUnion *devPrivates;
} 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)
#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)(
#if NeedNestedPrototypes
ScreenPtr /*pScreen*/,
int /*xstate*/,
Bool /*force*/
#endif
);
} 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;
#endif /* WINDOWSTRUCT_H */
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