xserver git update 11/6/2010

1 files changed, 218 insertions, 227 deletions

diff --git a/xorg-server/include/windowstr.h b/xorg-server/include/windowstr.h
index 96bee9b93..ec1e07c80 100644
--- a/xorg-server/include/windowstr.h
+++ b/xorg-server/include/windowstr.h
@@ -1,227 +1,218 @@
-/***********************************************************
-
-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)
-
-/* used as NULL-terminated list */
-typedef struct _DevCursorNode {
-    CursorPtr                   cursor;
-    DeviceIntPtr                dev;
-    struct _DevCursorNode*      next;
-} DevCursNodeRec, *DevCursNodePtr, *DevCursorList;
-
-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 */
-    RegionPtr		boundingShape;	   /* default: NULL */
-    RegionPtr		clipShape;	   /* default: NULL */
-    RegionPtr		inputShape;	   /* default: NULL */
-    struct _OtherInputMasks *inputMasks;   /* default: NULL */
-    DevCursorList       deviceCursors;     /* default: NULL */
-} 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; /* all masks from all clients */
-    Mask		eventMask;      /* mask from the creating client */
-    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 */
-#ifdef ROOTLESS
-    unsigned		rootlessUnhittable:1;	/* doesn't hit-test */
-#endif
-} WindowRec;
-
-/*
- * Ok, a bunch of macros for accessing the optional record
- * fields (or filling the appropriate default value)
- */
-
-extern _X_EXPORT 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)
-#define wOtherInputMasks(w)	wUseDefault(w, inputMasks, NULL)
-#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)
-#define wBoundingShape(w)	wUseDefault(w, boundingShape, NULL)
-#define wClipShape(w)		wUseDefault(w, clipShape, NULL)
-#define wInputShape(w)          wUseDefault(w, inputShape, NULL)
-#define wClient(w)		(clients[CLIENT_ID((w)->drawable.id)])
-#define wBorderWidth(w)		((int) (w)->borderWidth)
-
-/* true when w needs a border drawn. */
-
-#define HasBorder(w)	((w)->borderWidth || wClipShape(w))
-
-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 _X_EXPORT int screenIsSaved;
-extern _X_EXPORT ScreenSaverStuffRec savedScreenInfo[MAXSCREENS];
-
-#endif /* WINDOWSTRUCT_H */
+/***********************************************************

+

+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)

+

+/* used as NULL-terminated list */

+typedef struct _DevCursorNode {

+    CursorPtr                   cursor;

+    DeviceIntPtr                dev;

+    struct _DevCursorNode*      next;

+} DevCursNodeRec, *DevCursNodePtr, *DevCursorList;

+

+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 */

+    RegionPtr		boundingShape;	   /* default: NULL */

+    RegionPtr		clipShape;	   /* default: NULL */

+    RegionPtr		inputShape;	   /* default: NULL */

+    struct _OtherInputMasks *inputMasks;   /* default: NULL */

+    DevCursorList       deviceCursors;     /* default: NULL */

+} 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; /* all masks from all clients */

+    Mask		eventMask;      /* mask from the creating client */

+    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 */

+#ifdef ROOTLESS

+    unsigned		rootlessUnhittable:1;	/* doesn't hit-test */

+#endif

+} WindowRec;

+

+/*

+ * Ok, a bunch of macros for accessing the optional record

+ * fields (or filling the appropriate default value)

+ */

+

+extern _X_EXPORT 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)

+#define wOtherInputMasks(w)	wUseDefault(w, inputMasks, NULL)

+#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)

+#define wBoundingShape(w)	wUseDefault(w, boundingShape, NULL)

+#define wClipShape(w)		wUseDefault(w, clipShape, NULL)

+#define wInputShape(w)          wUseDefault(w, inputShape, NULL)

+#define wClient(w)		(clients[CLIENT_ID((w)->drawable.id)])

+#define wBorderWidth(w)		((int) (w)->borderWidth)

+

+/* true when w needs a border drawn. */

+

+#define HasBorder(w)	((w)->borderWidth || wClipShape(w))

+

+typedef struct _ScreenSaverStuff *ScreenSaverStuffPtr;

+

+#define SCREEN_IS_BLANKED   0

+#define SCREEN_ISNT_SAVED   1

+#define SCREEN_IS_TILED     2

+#define SCREEN_IS_BLACK	    3

+

+#define HasSaverWindow(pScreen)   (pScreen->screensaver.pWindow != NullWindow)

+

+extern _X_EXPORT int screenIsSaved;

+

+#endif /* WINDOWSTRUCT_H */