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Diffstat (limited to 'include/windowstr.h')
| -rw-r--r-- | include/windowstr.h | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/include/windowstr.h b/include/windowstr.h new file mode 100644 index 000000000..31de609b8 --- /dev/null +++ b/include/windowstr.h @@ -0,0 +1,227 @@ +/* $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 */ |