diff options
Diffstat (limited to 'xorg-server/dix/window.c')
| -rw-r--r-- | xorg-server/dix/window.c | 7372 |
1 files changed, 3686 insertions, 3686 deletions
diff --git a/xorg-server/dix/window.c b/xorg-server/dix/window.c index 3668370b3..821c815f7 100644 --- a/xorg-server/dix/window.c +++ b/xorg-server/dix/window.c @@ -1,3686 +1,3686 @@ -/* - -Copyright (c) 2006, Red Hat, Inc. - -Permission is hereby granted, free of charge, to any person obtaining a -copy of this software and associated documentation files (the "Software"), -to deal in the Software without restriction, including without limitation -the rights to use, copy, modify, merge, publish, distribute, sublicense, -and/or sell copies of the Software, and to permit persons to whom the -Software is furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice (including the next -paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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. - -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. - -*/ - -/* The panoramix components contained the following notice */ -/***************************************************************** - -Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software. - -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 -DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, -BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL 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 Digital Equipment Corporation -shall not be used in advertising or otherwise to promote the sale, use or other -dealings in this Software without prior written authorization from Digital -Equipment Corporation. - -******************************************************************/ - - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "misc.h" -#include "scrnintstr.h" -#include "os.h" -#include "regionstr.h" -#include "validate.h" -#include "windowstr.h" -#include "input.h" -#include "inputstr.h" -#include "resource.h" -#include "colormapst.h" -#include "cursorstr.h" -#include "dixstruct.h" -#include "gcstruct.h" -#include "servermd.h" -#ifdef PANORAMIX -#include "panoramiX.h" -#include "panoramiXsrv.h" -#endif -#include "dixevents.h" -#include "globals.h" -#include "mi.h" /* miPaintWindow */ - -#include "privates.h" -#include "xace.h" - -/****** - * Window stuff for server - * - * CreateRootWindow, CreateWindow, ChangeWindowAttributes, - * GetWindowAttributes, DeleteWindow, DestroySubWindows, - * HandleSaveSet, ReparentWindow, MapWindow, MapSubWindows, - * UnmapWindow, UnmapSubWindows, ConfigureWindow, CirculateWindow, - * ChangeWindowDeviceCursor - ******/ - -Bool bgNoneRoot = FALSE; - -static unsigned char _back_lsb[4] = {0x88, 0x22, 0x44, 0x11}; -static unsigned char _back_msb[4] = {0x11, 0x44, 0x22, 0x88}; - -static Bool WindowParentHasDeviceCursor(WindowPtr pWin, - DeviceIntPtr pDev, - CursorPtr pCurs); -static Bool -WindowSeekDeviceCursor(WindowPtr pWin, - DeviceIntPtr pDev, - DevCursNodePtr* pNode, - DevCursNodePtr* pPrev); - -int screenIsSaved = SCREEN_SAVER_OFF; - -static Bool TileScreenSaver(ScreenPtr pScreen, int kind); - -#define INPUTONLY_LEGAL_MASK (CWWinGravity | CWEventMask | \ - CWDontPropagate | CWOverrideRedirect | CWCursor ) - -#define BOXES_OVERLAP(b1, b2) \ - (!( ((b1)->x2 <= (b2)->x1) || \ - ( ((b1)->x1 >= (b2)->x2)) || \ - ( ((b1)->y2 <= (b2)->y1)) || \ - ( ((b1)->y1 >= (b2)->y2)) ) ) - -#define RedirectSend(pWin) \ - ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureRedirectMask) - -#define SubSend(pWin) \ - ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureNotifyMask) - -#define StrSend(pWin) \ - ((pWin->eventMask|wOtherEventMasks(pWin)) & StructureNotifyMask) - -#define SubStrSend(pWin,pParent) (StrSend(pWin) || SubSend(pParent)) - -#ifdef DEBUG -/****** - * PrintWindowTree - * For debugging only - ******/ - -static void -PrintChildren(WindowPtr p1, int indent) -{ - WindowPtr p2; - int i; - - while (p1) - { - p2 = p1->firstChild; - ErrorF("[dix] "); - for (i=0; i<indent; i++) ErrorF(" "); - ErrorF("%lx\n", p1->drawable.id); - RegionPrint(&p1->clipList); - PrintChildren(p2, indent+4); - p1 = p1->nextSib; - } -} - -static void -PrintWindowTree(void) -{ - int i; - WindowPtr pWin, p1; - - for (i=0; i<screenInfo.numScreens; i++) - { - ErrorF("[dix] WINDOW %d\n", i); - pWin = screenInfo.screens[i]->root; - RegionPrint(&pWin->clipList); - p1 = pWin->firstChild; - PrintChildren(p1, 4); - } -} -#endif - -int -TraverseTree(WindowPtr pWin, VisitWindowProcPtr func, pointer data) -{ - int result; - WindowPtr pChild; - - if (!(pChild = pWin)) - return WT_NOMATCH; - while (1) - { - result = (* func)(pChild, data); - if (result == WT_STOPWALKING) - return WT_STOPWALKING; - if ((result == WT_WALKCHILDREN) && pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - while (!pChild->nextSib && (pChild != pWin)) - pChild = pChild->parent; - if (pChild == pWin) - break; - pChild = pChild->nextSib; - } - return WT_NOMATCH; -} - -/***** - * WalkTree - * Walk the window tree, for SCREEN, preforming FUNC(pWin, data) on - * each window. If FUNC returns WT_WALKCHILDREN, traverse the children, - * if it returns WT_DONTWALKCHILDREN, dont. If it returns WT_STOPWALKING - * exit WalkTree. Does depth-first traverse. - *****/ - -int -WalkTree(ScreenPtr pScreen, VisitWindowProcPtr func, pointer data) -{ - return(TraverseTree(pScreen->root, func, data)); -} - -/* hack for forcing backing store on all windows */ -int defaultBackingStore = NotUseful; -/* hack to force no backing store */ -Bool disableBackingStore = FALSE; -Bool enableBackingStore = FALSE; - -static void -SetWindowToDefaults(WindowPtr pWin) -{ - pWin->prevSib = NullWindow; - pWin->firstChild = NullWindow; - pWin->lastChild = NullWindow; - - pWin->valdata = (ValidatePtr)NULL; - pWin->optional = (WindowOptPtr)NULL; - pWin->cursorIsNone = TRUE; - - pWin->backingStore = NotUseful; - pWin->DIXsaveUnder = FALSE; - pWin->backStorage = (pointer) NULL; - - pWin->mapped = FALSE; /* off */ - pWin->realized = FALSE; /* off */ - pWin->viewable = FALSE; - pWin->visibility = VisibilityNotViewable; - pWin->overrideRedirect = FALSE; - pWin->saveUnder = FALSE; - - pWin->bitGravity = ForgetGravity; - pWin->winGravity = NorthWestGravity; - - pWin->eventMask = 0; - pWin->deliverableEvents = 0; - pWin->dontPropagate = 0; - pWin->forcedBS = FALSE; - pWin->redirectDraw = RedirectDrawNone; - pWin->forcedBG = FALSE; - -#ifdef ROOTLESS - pWin->rootlessUnhittable = FALSE; -#endif - -#ifdef COMPOSITE - pWin->damagedDescendants = FALSE; -#endif -} - -static void -MakeRootTile(WindowPtr pWin) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - GCPtr pGC; - unsigned char back[128]; - int len = BitmapBytePad(sizeof(long)); - unsigned char *from, *to; - int i, j; - - pWin->background.pixmap = (*pScreen->CreatePixmap)(pScreen, 4, 4, - pScreen->rootDepth, 0); - - pWin->backgroundState = BackgroundPixmap; - pGC = GetScratchGC(pScreen->rootDepth, pScreen); - if (!pWin->background.pixmap || !pGC) - FatalError("could not create root tile"); - - { - ChangeGCVal attributes[2]; - - attributes[0].val = pScreen->whitePixel; - attributes[1].val = pScreen->blackPixel; - - (void)ChangeGC(NullClient, pGC, GCForeground | GCBackground, attributes); - } - - ValidateGC((DrawablePtr)pWin->background.pixmap, pGC); - - from = (screenInfo.bitmapBitOrder == LSBFirst) ? _back_lsb : _back_msb; - to = back; - - for (i = 4; i > 0; i--, from++) - for (j = len; j > 0; j--) - *to++ = *from; - - (*pGC->ops->PutImage)((DrawablePtr)pWin->background.pixmap, pGC, 1, - 0, 0, len, 4, 0, XYBitmap, (char *)back); - - FreeScratchGC(pGC); - -} - -/***** - * CreateRootWindow - * Makes a window at initialization time for specified screen - *****/ - -Bool -CreateRootWindow(ScreenPtr pScreen) -{ - WindowPtr pWin; - BoxRec box; - PixmapFormatRec *format; - - pWin = dixAllocateObjectWithPrivates(WindowRec, PRIVATE_WINDOW); - if (!pWin) - return FALSE; - - pScreen->screensaver.pWindow = NULL; - pScreen->screensaver.wid = FakeClientID(0); - pScreen->screensaver.ExternalScreenSaver = NULL; - screenIsSaved = SCREEN_SAVER_OFF; - - pScreen->root = pWin; - - pWin->drawable.pScreen = pScreen; - pWin->drawable.type = DRAWABLE_WINDOW; - - pWin->drawable.depth = pScreen->rootDepth; - for (format = screenInfo.formats; - format->depth != pScreen->rootDepth; - format++) - ; - pWin->drawable.bitsPerPixel = format->bitsPerPixel; - - pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER; - - pWin->parent = NullWindow; - SetWindowToDefaults(pWin); - - pWin->optional = malloc(sizeof (WindowOptRec)); - if (!pWin->optional) - return FALSE; - - pWin->optional->dontPropagateMask = 0; - pWin->optional->otherEventMasks = 0; - pWin->optional->otherClients = NULL; - pWin->optional->passiveGrabs = NULL; - pWin->optional->userProps = NULL; - pWin->optional->backingBitPlanes = ~0L; - pWin->optional->backingPixel = 0; - pWin->optional->boundingShape = NULL; - pWin->optional->clipShape = NULL; - pWin->optional->inputShape = NULL; - pWin->optional->inputMasks = NULL; - pWin->optional->deviceCursors = NULL; - pWin->optional->colormap = pScreen->defColormap; - pWin->optional->visual = pScreen->rootVisual; - - pWin->nextSib = NullWindow; - - pWin->drawable.id = FakeClientID(0); - - pWin->origin.x = pWin->origin.y = 0; - pWin->drawable.height = pScreen->height; - pWin->drawable.width = pScreen->width; - pWin->drawable.x = pWin->drawable.y = 0; - - box.x1 = 0; - box.y1 = 0; - box.x2 = pScreen->width; - box.y2 = pScreen->height; - RegionInit(&pWin->clipList, &box, 1); - RegionInit(&pWin->winSize, &box, 1); - RegionInit(&pWin->borderSize, &box, 1); - RegionInit(&pWin->borderClip, &box, 1); - - pWin->drawable.class = InputOutput; - pWin->optional->visual = pScreen->rootVisual; - - pWin->backgroundState = BackgroundPixel; - pWin->background.pixel = pScreen->whitePixel; - - pWin->borderIsPixel = TRUE; - pWin->border.pixel = pScreen->blackPixel; - pWin->borderWidth = 0; - - /* security creation/labeling check - */ - if (XaceHook(XACE_RESOURCE_ACCESS, serverClient, pWin->drawable.id, - RT_WINDOW, pWin, RT_NONE, NULL, DixCreateAccess)) - return FALSE; - - if (!AddResource(pWin->drawable.id, RT_WINDOW, (pointer)pWin)) - return FALSE; - - if (disableBackingStore) - pScreen->backingStoreSupport = NotUseful; - if (enableBackingStore) - pScreen->backingStoreSupport = Always; - - pScreen->saveUnderSupport = NotUseful; - - return TRUE; -} - -void -InitRootWindow(WindowPtr pWin) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - int backFlag = CWBorderPixel | CWCursor | CWBackingStore; - - if (!(*pScreen->CreateWindow)(pWin)) - return; /* XXX */ - (*pScreen->PositionWindow)(pWin, 0, 0); - - pWin->cursorIsNone = FALSE; - pWin->optional->cursor = rootCursor; - rootCursor->refcnt++; - - - if (party_like_its_1989) { - MakeRootTile(pWin); - backFlag |= CWBackPixmap; - } else if (pScreen->canDoBGNoneRoot && bgNoneRoot) { - pWin->backgroundState = XaceBackgroundNoneState(pWin); - pWin->background.pixel = pScreen->whitePixel; - backFlag |= CWBackPixmap; - } else { - if (whiteRoot) - pWin->background.pixel = pScreen->whitePixel; - else - pWin->background.pixel = pScreen->blackPixel; - backFlag |= CWBackPixel; - } - - pWin->backingStore = defaultBackingStore; - pWin->forcedBS = (defaultBackingStore != NotUseful); - /* We SHOULD check for an error value here XXX */ - (*pScreen->ChangeWindowAttributes)(pWin, backFlag); - - MapWindow(pWin, serverClient); -} - -/* Set the region to the intersection of the rectangle and the - * window's winSize. The window is typically the parent of the - * window from which the region came. - */ - -static void -ClippedRegionFromBox(WindowPtr pWin, RegionPtr Rgn, - int x, int y, - int w, int h) -{ - BoxRec box = *RegionExtents(&pWin->winSize); - - /* we do these calculations to avoid overflows */ - if (x > box.x1) - box.x1 = x; - if (y > box.y1) - box.y1 = y; - x += w; - if (x < box.x2) - box.x2 = x; - y += h; - if (y < box.y2) - box.y2 = y; - if (box.x1 > box.x2) - box.x2 = box.x1; - if (box.y1 > box.y2) - box.y2 = box.y1; - RegionReset(Rgn, &box); - RegionIntersect(Rgn, Rgn, &pWin->winSize); -} - -static RealChildHeadProc realChildHeadProc = NULL; - -void -RegisterRealChildHeadProc (RealChildHeadProc proc) -{ - realChildHeadProc = proc; -} - - -WindowPtr -RealChildHead(WindowPtr pWin) -{ - if (realChildHeadProc) { - return realChildHeadProc (pWin); - } - - if (!pWin->parent && - (screenIsSaved == SCREEN_SAVER_ON) && - (HasSaverWindow (pWin->drawable.pScreen))) - return pWin->firstChild; - else - return NullWindow; -} - -/***** - * CreateWindow - * Makes a window in response to client request - *****/ - -WindowPtr -CreateWindow(Window wid, WindowPtr pParent, int x, int y, unsigned w, - unsigned h, unsigned bw, unsigned class, Mask vmask, XID *vlist, - int depth, ClientPtr client, VisualID visual, int *error) -{ - WindowPtr pWin; - WindowPtr pHead; - ScreenPtr pScreen; - xEvent event; - int idepth, ivisual; - Bool fOK; - DepthPtr pDepth; - PixmapFormatRec *format; - WindowOptPtr ancwopt; - - if (class == CopyFromParent) - class = pParent->drawable.class; - - if ((class != InputOutput) && (class != InputOnly)) - { - *error = BadValue; - client->errorValue = class; - return NullWindow; - } - - if ((class != InputOnly) && (pParent->drawable.class == InputOnly)) - { - *error = BadMatch; - return NullWindow; - } - - if ((class == InputOnly) && ((bw != 0) || (depth != 0))) - { - *error = BadMatch; - return NullWindow; - } - - pScreen = pParent->drawable.pScreen; - if ((class == InputOutput) && (depth == 0)) - depth = pParent->drawable.depth; - ancwopt = pParent->optional; - if (!ancwopt) - ancwopt = FindWindowWithOptional(pParent)->optional; - if (visual == CopyFromParent) { - visual = ancwopt->visual; - } - - /* Find out if the depth and visual are acceptable for this Screen */ - if ((visual != ancwopt->visual) || (depth != pParent->drawable.depth)) - { - fOK = FALSE; - for(idepth = 0; idepth < pScreen->numDepths; idepth++) - { - pDepth = (DepthPtr) &pScreen->allowedDepths[idepth]; - if ((depth == pDepth->depth) || (depth == 0)) - { - for (ivisual = 0; ivisual < pDepth->numVids; ivisual++) - { - if (visual == pDepth->vids[ivisual]) - { - fOK = TRUE; - break; - } - } - } - } - if (fOK == FALSE) - { - *error = BadMatch; - return NullWindow; - } - } - - if (((vmask & (CWBorderPixmap | CWBorderPixel)) == 0) && - (class != InputOnly) && - (depth != pParent->drawable.depth)) - { - *error = BadMatch; - return NullWindow; - } - - if (((vmask & CWColormap) == 0) && - (class != InputOnly) && - ((visual != ancwopt->visual) || (ancwopt->colormap == None))) - { - *error = BadMatch; - return NullWindow; - } - - pWin = dixAllocateObjectWithPrivates(WindowRec, PRIVATE_WINDOW); - if (!pWin) - { - *error = BadAlloc; - return NullWindow; - } - pWin->drawable = pParent->drawable; - pWin->drawable.depth = depth; - if (depth == pParent->drawable.depth) - pWin->drawable.bitsPerPixel = pParent->drawable.bitsPerPixel; - else - { - for (format = screenInfo.formats; format->depth != depth; format++) - ; - pWin->drawable.bitsPerPixel = format->bitsPerPixel; - } - if (class == InputOnly) - pWin->drawable.type = (short) UNDRAWABLE_WINDOW; - pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER; - - pWin->drawable.id = wid; - pWin->drawable.class = class; - - pWin->parent = pParent; - SetWindowToDefaults(pWin); - - if (visual != ancwopt->visual) - { - if (!MakeWindowOptional (pWin)) - { - dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW); - *error = BadAlloc; - return NullWindow; - } - pWin->optional->visual = visual; - pWin->optional->colormap = None; - } - - pWin->borderWidth = bw; - - /* security creation/labeling check - */ - *error = XaceHook(XACE_RESOURCE_ACCESS, client, wid, RT_WINDOW, pWin, - RT_WINDOW, pWin->parent, DixCreateAccess|DixSetAttrAccess); - if (*error != Success) { - dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW); - return NullWindow; - } - - pWin->backgroundState = XaceBackgroundNoneState(pWin); - pWin->background.pixel = pScreen->whitePixel; - - pWin->borderIsPixel = pParent->borderIsPixel; - pWin->border = pParent->border; - if (pWin->borderIsPixel == FALSE) - pWin->border.pixmap->refcnt++; - - pWin->origin.x = x + (int)bw; - pWin->origin.y = y + (int)bw; - pWin->drawable.width = w; - pWin->drawable.height = h; - pWin->drawable.x = pParent->drawable.x + x + (int)bw; - pWin->drawable.y = pParent->drawable.y + y + (int)bw; - - /* set up clip list correctly for unobscured WindowPtr */ - RegionNull(&pWin->clipList); - RegionNull(&pWin->borderClip); - RegionNull(&pWin->winSize); - RegionNull(&pWin->borderSize); - - pHead = RealChildHead(pParent); - if (pHead) - { - pWin->nextSib = pHead->nextSib; - if (pHead->nextSib) - pHead->nextSib->prevSib = pWin; - else - pParent->lastChild = pWin; - pHead->nextSib = pWin; - pWin->prevSib = pHead; - } - else - { - pWin->nextSib = pParent->firstChild; - if (pParent->firstChild) - pParent->firstChild->prevSib = pWin; - else - pParent->lastChild = pWin; - pParent->firstChild = pWin; - } - - SetWinSize (pWin); - SetBorderSize (pWin); - - /* We SHOULD check for an error value here XXX */ - if (!(*pScreen->CreateWindow)(pWin)) - { - *error = BadAlloc; - DeleteWindow(pWin, None); - return NullWindow; - } - /* We SHOULD check for an error value here XXX */ - (*pScreen->PositionWindow)(pWin, pWin->drawable.x, pWin->drawable.y); - - if (!(vmask & CWEventMask)) - RecalculateDeliverableEvents(pWin); - - if (vmask) - *error = ChangeWindowAttributes(pWin, vmask, vlist, wClient (pWin)); - else - *error = Success; - - if (*error != Success) - { - DeleteWindow(pWin, None); - return NullWindow; - } - if (!(vmask & CWBackingStore) && (defaultBackingStore != NotUseful)) - { - XID value = defaultBackingStore; - (void)ChangeWindowAttributes(pWin, CWBackingStore, &value, wClient (pWin)); - pWin->forcedBS = TRUE; - } - - if (SubSend(pParent)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = CreateNotify; - event.u.createNotify.window = wid; - event.u.createNotify.parent = pParent->drawable.id; - event.u.createNotify.x = x; - event.u.createNotify.y = y; - event.u.createNotify.width = w; - event.u.createNotify.height = h; - event.u.createNotify.borderWidth = bw; - event.u.createNotify.override = pWin->overrideRedirect; - DeliverEvents(pParent, &event, 1, NullWindow); - } - return pWin; -} - -static void -DisposeWindowOptional (WindowPtr pWin) -{ - if (!pWin->optional) - return; - /* - * everything is peachy. Delete the optional record - * and clean up - */ - if (pWin->optional->cursor) - { - FreeCursor (pWin->optional->cursor, (Cursor)0); - pWin->cursorIsNone = FALSE; - } - else - pWin->cursorIsNone = TRUE; - - if (pWin->optional->deviceCursors) - { - DevCursorList pList; - DevCursorList pPrev; - pList = pWin->optional->deviceCursors; - while(pList) - { - if (pList->cursor) - FreeCursor(pList->cursor, (XID)0); - pPrev = pList; - pList = pList->next; - free(pPrev); - } - pWin->optional->deviceCursors = NULL; - } - - free(pWin->optional); - pWin->optional = NULL; -} - -static void -FreeWindowResources(WindowPtr pWin) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - - DeleteWindowFromAnySaveSet(pWin); - DeleteWindowFromAnySelections(pWin); - DeleteWindowFromAnyEvents(pWin, TRUE); - RegionUninit(&pWin->clipList); - RegionUninit(&pWin->winSize); - RegionUninit(&pWin->borderClip); - RegionUninit(&pWin->borderSize); - if (wBoundingShape (pWin)) - RegionDestroy(wBoundingShape (pWin)); - if (wClipShape (pWin)) - RegionDestroy(wClipShape (pWin)); - if (wInputShape (pWin)) - RegionDestroy(wInputShape (pWin)); - if (pWin->borderIsPixel == FALSE) - (*pScreen->DestroyPixmap)(pWin->border.pixmap); - if (pWin->backgroundState == BackgroundPixmap) - (*pScreen->DestroyPixmap)(pWin->background.pixmap); - - DeleteAllWindowProperties(pWin); - /* We SHOULD check for an error value here XXX */ - (*pScreen->DestroyWindow)(pWin); - DisposeWindowOptional (pWin); -} - -static void -CrushTree(WindowPtr pWin) -{ - WindowPtr pChild, pSib, pParent; - UnrealizeWindowProcPtr UnrealizeWindow; - xEvent event; - - if (!(pChild = pWin->firstChild)) - return; - UnrealizeWindow = pWin->drawable.pScreen->UnrealizeWindow; - while (1) - { - if (pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - while (1) - { - pParent = pChild->parent; - if (SubStrSend(pChild, pParent)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = DestroyNotify; - event.u.destroyNotify.window = pChild->drawable.id; - DeliverEvents(pChild, &event, 1, NullWindow); - } - FreeResource(pChild->drawable.id, RT_WINDOW); - pSib = pChild->nextSib; - pChild->viewable = FALSE; - if (pChild->realized) - { - pChild->realized = FALSE; - (*UnrealizeWindow)(pChild); - } - FreeWindowResources(pChild); - dixFreeObjectWithPrivates(pChild, PRIVATE_WINDOW); - if ( (pChild = pSib) ) - break; - pChild = pParent; - pChild->firstChild = NullWindow; - pChild->lastChild = NullWindow; - if (pChild == pWin) - return; - } - } -} - -/***** - * DeleteWindow - * Deletes child of window then window itself - * If wid is None, don't send any events - *****/ - -int -DeleteWindow(pointer value, XID wid) - { - WindowPtr pParent; - WindowPtr pWin = (WindowPtr)value; - xEvent event; - - UnmapWindow(pWin, FALSE); - - CrushTree(pWin); - - pParent = pWin->parent; - if (wid && pParent && SubStrSend(pWin, pParent)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = DestroyNotify; - event.u.destroyNotify.window = pWin->drawable.id; - DeliverEvents(pWin, &event, 1, NullWindow); - } - - FreeWindowResources(pWin); - if (pParent) - { - if (pParent->firstChild == pWin) - pParent->firstChild = pWin->nextSib; - if (pParent->lastChild == pWin) - pParent->lastChild = pWin->prevSib; - if (pWin->nextSib) - pWin->nextSib->prevSib = pWin->prevSib; - if (pWin->prevSib) - pWin->prevSib->nextSib = pWin->nextSib; - } - else - pWin->drawable.pScreen->root = NULL; - dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW); - return Success; -} - -int -DestroySubwindows(WindowPtr pWin, ClientPtr client) -{ - /* XXX - * The protocol is quite clear that each window should be - * destroyed in turn, however, unmapping all of the first - * eliminates most of the calls to ValidateTree. So, - * this implementation is incorrect in that all of the - * UnmapNotifies occur before all of the DestroyNotifies. - * If you care, simply delete the call to UnmapSubwindows. - */ - UnmapSubwindows(pWin); - while (pWin->lastChild) { - int rc = XaceHook(XACE_RESOURCE_ACCESS, client, - pWin->lastChild->drawable.id, RT_WINDOW, - pWin->lastChild, RT_NONE, NULL, DixDestroyAccess); - if (rc != Success) - return rc; - FreeResource(pWin->lastChild->drawable.id, RT_NONE); - } - return Success; -} - -static void -SetRootWindowBackground(WindowPtr pWin, ScreenPtr pScreen, Mask *index2) -{ - /* following the protocol: "Changing the background of a root window to - * None or ParentRelative restores the default background pixmap" */ - if (bgNoneRoot) { - pWin->backgroundState = XaceBackgroundNoneState(pWin); - pWin->background.pixel = pScreen->whitePixel; - } - else if (party_like_its_1989) - MakeRootTile(pWin); - else { - if (whiteRoot) - pWin->background.pixel = pScreen->whitePixel; - else - pWin->background.pixel = pScreen->blackPixel; - *index2 = CWBackPixel; - } -} - -/***** - * ChangeWindowAttributes - * - * The value-mask specifies which attributes are to be changed; the - * value-list contains one value for each one bit in the mask, from least - * to most significant bit in the mask. - *****/ - -int -ChangeWindowAttributes(WindowPtr pWin, Mask vmask, XID *vlist, ClientPtr client) -{ - XID *pVlist; - PixmapPtr pPixmap; - Pixmap pixID; - CursorPtr pCursor, pOldCursor; - Cursor cursorID; - WindowPtr pChild; - Colormap cmap; - ColormapPtr pCmap; - xEvent xE; - int error, rc; - ScreenPtr pScreen; - Mask index2, tmask, vmaskCopy = 0; - unsigned int val; - Bool checkOptional = FALSE, borderRelative = FALSE; - - if ((pWin->drawable.class == InputOnly) && (vmask & (~INPUTONLY_LEGAL_MASK))) - return BadMatch; - - error = Success; - pScreen = pWin->drawable.pScreen; - pVlist = vlist; - tmask = vmask; - while (tmask) - { - index2 = (Mask) lowbit (tmask); - tmask &= ~index2; - switch (index2) - { - case CWBackPixmap: - pixID = (Pixmap )*pVlist; - pVlist++; - if (pWin->backgroundState == ParentRelative) - borderRelative = TRUE; - if (pixID == None) - { - if (pWin->backgroundState == BackgroundPixmap) - (*pScreen->DestroyPixmap)(pWin->background.pixmap); - if (!pWin->parent) - SetRootWindowBackground(pWin, pScreen, &index2); - else { - pWin->backgroundState = XaceBackgroundNoneState(pWin); - pWin->background.pixel = pScreen->whitePixel; - } - } - else if (pixID == ParentRelative) - { - if (pWin->parent && - pWin->drawable.depth != pWin->parent->drawable.depth) - { - error = BadMatch; - goto PatchUp; - } - if (pWin->backgroundState == BackgroundPixmap) - (*pScreen->DestroyPixmap)(pWin->background.pixmap); - if (!pWin->parent) - SetRootWindowBackground(pWin, pScreen, &index2); - else - pWin->backgroundState = ParentRelative; - borderRelative = TRUE; - /* Note that the parent's backgroundTile's refcnt is NOT - * incremented. */ - } - else - { - rc = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP, - client, DixReadAccess); - if (rc == Success) - { - if ((pPixmap->drawable.depth != pWin->drawable.depth) || - (pPixmap->drawable.pScreen != pScreen)) - { - error = BadMatch; - goto PatchUp; - } - if (pWin->backgroundState == BackgroundPixmap) - (*pScreen->DestroyPixmap)(pWin->background.pixmap); - pWin->backgroundState = BackgroundPixmap; - pWin->background.pixmap = pPixmap; - pPixmap->refcnt++; - } - else - { - error = rc; - client->errorValue = pixID; - goto PatchUp; - } - } - break; - case CWBackPixel: - if (pWin->backgroundState == ParentRelative) - borderRelative = TRUE; - if (pWin->backgroundState == BackgroundPixmap) - (*pScreen->DestroyPixmap)(pWin->background.pixmap); - pWin->backgroundState = BackgroundPixel; - pWin->background.pixel = (CARD32 ) *pVlist; - /* background pixel overrides background pixmap, - so don't let the ddx layer see both bits */ - vmaskCopy &= ~CWBackPixmap; - pVlist++; - break; - case CWBorderPixmap: - pixID = (Pixmap ) *pVlist; - pVlist++; - if (pixID == CopyFromParent) - { - if (!pWin->parent || - (pWin->drawable.depth != pWin->parent->drawable.depth)) - { - error = BadMatch; - goto PatchUp; - } - if (pWin->parent->borderIsPixel == TRUE) { - if (pWin->borderIsPixel == FALSE) - (*pScreen->DestroyPixmap)(pWin->border.pixmap); - pWin->border = pWin->parent->border; - pWin->borderIsPixel = TRUE; - index2 = CWBorderPixel; - break; - } - else - { - pixID = pWin->parent->border.pixmap->drawable.id; - } - } - rc = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP, - client, DixReadAccess); - if (rc == Success) - { - if ((pPixmap->drawable.depth != pWin->drawable.depth) || - (pPixmap->drawable.pScreen != pScreen)) - { - error = BadMatch; - goto PatchUp; - } - if (pWin->borderIsPixel == FALSE) - (*pScreen->DestroyPixmap)(pWin->border.pixmap); - pWin->borderIsPixel = FALSE; - pWin->border.pixmap = pPixmap; - pPixmap->refcnt++; - } - else - { - error = rc; - client->errorValue = pixID; - goto PatchUp; - } - break; - case CWBorderPixel: - if (pWin->borderIsPixel == FALSE) - (*pScreen->DestroyPixmap)(pWin->border.pixmap); - pWin->borderIsPixel = TRUE; - pWin->border.pixel = (CARD32) *pVlist; - /* border pixel overrides border pixmap, - so don't let the ddx layer see both bits */ - vmaskCopy &= ~CWBorderPixmap; - pVlist++; - break; - case CWBitGravity: - val = (CARD8 )*pVlist; - pVlist++; - if (val > StaticGravity) - { - error = BadValue; - client->errorValue = val; - goto PatchUp; - } - pWin->bitGravity = val; - break; - case CWWinGravity: - val = (CARD8 )*pVlist; - pVlist++; - if (val > StaticGravity) - { - error = BadValue; - client->errorValue = val; - goto PatchUp; - } - pWin->winGravity = val; - break; - case CWBackingStore: - val = (CARD8 )*pVlist; - pVlist++; - if ((val != NotUseful) && (val != WhenMapped) && (val != Always)) - { - error = BadValue; - client->errorValue = val; - goto PatchUp; - } - pWin->backingStore = val; - pWin->forcedBS = FALSE; - break; - case CWBackingPlanes: - if (pWin->optional || ((CARD32)*pVlist != (CARD32)~0L)) { - if (!pWin->optional && !MakeWindowOptional (pWin)) - { - error = BadAlloc; - goto PatchUp; - } - pWin->optional->backingBitPlanes = (CARD32) *pVlist; - if ((CARD32)*pVlist == (CARD32)~0L) - checkOptional = TRUE; - } - pVlist++; - break; - case CWBackingPixel: - if (pWin->optional || (CARD32) *pVlist) { - if (!pWin->optional && !MakeWindowOptional (pWin)) - { - error = BadAlloc; - goto PatchUp; - } - pWin->optional->backingPixel = (CARD32) *pVlist; - if (!*pVlist) - checkOptional = TRUE; - } - pVlist++; - break; - case CWSaveUnder: - val = (BOOL) *pVlist; - pVlist++; - if ((val != xTrue) && (val != xFalse)) - { - error = BadValue; - client->errorValue = val; - goto PatchUp; - } - pWin->saveUnder = val; - break; - case CWEventMask: - rc = EventSelectForWindow(pWin, client, (Mask )*pVlist); - if (rc) - { - error = rc; - goto PatchUp; - } - pVlist++; - break; - case CWDontPropagate: - rc = EventSuppressForWindow(pWin, client, (Mask )*pVlist, - &checkOptional); - if (rc) - { - error = rc; - goto PatchUp; - } - pVlist++; - break; - case CWOverrideRedirect: - val = (BOOL ) *pVlist; - pVlist++; - if ((val != xTrue) && (val != xFalse)) - { - error = BadValue; - client->errorValue = val; - goto PatchUp; - } - if (val == xTrue) { - rc = XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id, - RT_WINDOW, pWin, RT_NONE, NULL, DixGrabAccess); - if (rc != Success) { - error = rc; - client->errorValue = pWin->drawable.id; - goto PatchUp; - } - } - pWin->overrideRedirect = val; - break; - case CWColormap: - cmap = (Colormap) *pVlist; - pVlist++; - if (cmap == CopyFromParent) - { - if (pWin->parent && - (!pWin->optional || - pWin->optional->visual == wVisual (pWin->parent))) - { - cmap = wColormap (pWin->parent); - } - else - cmap = None; - } - if (cmap == None) - { - error = BadMatch; - goto PatchUp; - } - rc = dixLookupResourceByType((pointer *)&pCmap, cmap, RT_COLORMAP, - client, DixUseAccess); - if (rc != Success) - { - error = rc; - client->errorValue = cmap; - goto PatchUp; - } - if (pCmap->pVisual->vid != wVisual (pWin) || - pCmap->pScreen != pScreen) - { - error = BadMatch; - goto PatchUp; - } - if (cmap != wColormap (pWin)) - { - if (!pWin->optional) - { - if (!MakeWindowOptional (pWin)) - { - error = BadAlloc; - goto PatchUp; - } - } - else if (pWin->parent && cmap == wColormap (pWin->parent)) - checkOptional = TRUE; - - /* - * propagate the original colormap to any children - * inheriting it - */ - - for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib) - { - if (!pChild->optional && !MakeWindowOptional (pChild)) - { - error = BadAlloc; - goto PatchUp; - } - } - - pWin->optional->colormap = cmap; - - /* - * check on any children now matching the new colormap - */ - - for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib) - { - if (pChild->optional->colormap == cmap) - CheckWindowOptionalNeed (pChild); - } - - xE.u.u.type = ColormapNotify; - xE.u.colormap.window = pWin->drawable.id; - xE.u.colormap.colormap = cmap; - xE.u.colormap.new = xTrue; - xE.u.colormap.state = IsMapInstalled(cmap, pWin); - DeliverEvents(pWin, &xE, 1, NullWindow); - } - break; - case CWCursor: - cursorID = (Cursor ) *pVlist; - pVlist++; - /* - * install the new - */ - if ( cursorID == None) - { - if (pWin == pWin->drawable.pScreen->root) - pCursor = rootCursor; - else - pCursor = (CursorPtr) None; - } - else - { - rc = dixLookupResourceByType((pointer *)&pCursor, cursorID, - RT_CURSOR, client, DixUseAccess); - if (rc != Success) - { - error = rc; - client->errorValue = cursorID; - goto PatchUp; - } - } - - if (pCursor != wCursor (pWin)) - { - /* - * patch up child windows so they don't lose cursors. - */ - - for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib) - { - if (!pChild->optional && !pChild->cursorIsNone && - !MakeWindowOptional (pChild)) - { - error = BadAlloc; - goto PatchUp; - } - } - - pOldCursor = 0; - if (pCursor == (CursorPtr) None) - { - pWin->cursorIsNone = TRUE; - if (pWin->optional) - { - pOldCursor = pWin->optional->cursor; - pWin->optional->cursor = (CursorPtr) None; - checkOptional = TRUE; - } - } else { - if (!pWin->optional) - { - if (!MakeWindowOptional (pWin)) - { - error = BadAlloc; - goto PatchUp; - } - } - else if (pWin->parent && pCursor == wCursor (pWin->parent)) - checkOptional = TRUE; - pOldCursor = pWin->optional->cursor; - pWin->optional->cursor = pCursor; - pCursor->refcnt++; - pWin->cursorIsNone = FALSE; - /* - * check on any children now matching the new cursor - */ - - for (pChild=pWin->firstChild; pChild; pChild=pChild->nextSib) - { - if (pChild->optional && - (pChild->optional->cursor == pCursor)) - CheckWindowOptionalNeed (pChild); - } - } - - if (pWin->realized) - WindowHasNewCursor( pWin); - - /* Can't free cursor until here - old cursor - * is needed in WindowHasNewCursor - */ - if (pOldCursor) - FreeCursor (pOldCursor, (Cursor)0); - } - break; - default: - error = BadValue; - client->errorValue = vmask; - goto PatchUp; - } - vmaskCopy |= index2; - } -PatchUp: - if (checkOptional) - CheckWindowOptionalNeed (pWin); - - /* We SHOULD check for an error value here XXX */ - (*pScreen->ChangeWindowAttributes)(pWin, vmaskCopy); - - /* - If the border contents have changed, redraw the border. - Note that this has to be done AFTER pScreen->ChangeWindowAttributes - for the tile to be rotated, and the correct function selected. - */ - if (((vmaskCopy & (CWBorderPixel | CWBorderPixmap)) || borderRelative) - && pWin->viewable && HasBorder (pWin)) - { - RegionRec exposed; - - RegionNull(&exposed); - RegionSubtract(&exposed, &pWin->borderClip, &pWin->winSize); - miPaintWindow(pWin, &exposed, PW_BORDER); - RegionUninit(&exposed); - } - return error; -} - - -/***** - * GetWindowAttributes - * Notice that this is different than ChangeWindowAttributes - *****/ - -void -GetWindowAttributes(WindowPtr pWin, ClientPtr client, xGetWindowAttributesReply *wa) -{ - wa->type = X_Reply; - wa->bitGravity = pWin->bitGravity; - wa->winGravity = pWin->winGravity; - if (pWin->forcedBS && pWin->backingStore != Always) - wa->backingStore = NotUseful; - else - wa->backingStore = pWin->backingStore; - wa->length = bytes_to_int32(sizeof(xGetWindowAttributesReply) - - sizeof(xGenericReply)); - wa->sequenceNumber = client->sequence; - wa->backingBitPlanes = wBackingBitPlanes (pWin); - wa->backingPixel = wBackingPixel (pWin); - wa->saveUnder = (BOOL)pWin->saveUnder; - wa->override = pWin->overrideRedirect; - if (!pWin->mapped) - wa->mapState = IsUnmapped; - else if (pWin->realized) - wa->mapState = IsViewable; - else - wa->mapState = IsUnviewable; - - wa->colormap = wColormap (pWin); - wa->mapInstalled = (wa->colormap == None) ? xFalse - : IsMapInstalled(wa->colormap, pWin); - - wa->yourEventMask = EventMaskForClient(pWin, client); - wa->allEventMasks = pWin->eventMask | wOtherEventMasks (pWin); - wa->doNotPropagateMask = wDontPropagateMask (pWin); - wa->class = pWin->drawable.class; - wa->visualID = wVisual (pWin); -} - - -WindowPtr -MoveWindowInStack(WindowPtr pWin, WindowPtr pNextSib) -{ - WindowPtr pParent = pWin->parent; - WindowPtr pFirstChange = pWin; /* highest window where list changes */ - - if (pWin->nextSib != pNextSib) - { - WindowPtr pOldNextSib = pWin->nextSib; - - if (!pNextSib) /* move to bottom */ - { - if (pParent->firstChild == pWin) - pParent->firstChild = pWin->nextSib; - /* if (pWin->nextSib) */ /* is always True: pNextSib == NULL - * and pWin->nextSib != pNextSib - * therefore pWin->nextSib != NULL */ - pFirstChange = pWin->nextSib; - pWin->nextSib->prevSib = pWin->prevSib; - if (pWin->prevSib) - pWin->prevSib->nextSib = pWin->nextSib; - pParent->lastChild->nextSib = pWin; - pWin->prevSib = pParent->lastChild; - pWin->nextSib = NullWindow; - pParent->lastChild = pWin; - } - else if (pParent->firstChild == pNextSib) /* move to top */ - { - pFirstChange = pWin; - if (pParent->lastChild == pWin) - pParent->lastChild = pWin->prevSib; - if (pWin->nextSib) - pWin->nextSib->prevSib = pWin->prevSib; - if (pWin->prevSib) - pWin->prevSib->nextSib = pWin->nextSib; - pWin->nextSib = pParent->firstChild; - pWin->prevSib = (WindowPtr ) NULL; - pNextSib->prevSib = pWin; - pParent->firstChild = pWin; - } - else /* move in middle of list */ - { - WindowPtr pOldNext = pWin->nextSib; - - pFirstChange = NullWindow; - if (pParent->firstChild == pWin) - pFirstChange = pParent->firstChild = pWin->nextSib; - if (pParent->lastChild == pWin) { - pFirstChange = pWin; - pParent->lastChild = pWin->prevSib; - } - if (pWin->nextSib) - pWin->nextSib->prevSib = pWin->prevSib; - if (pWin->prevSib) - pWin->prevSib->nextSib = pWin->nextSib; - pWin->nextSib = pNextSib; - pWin->prevSib = pNextSib->prevSib; - if (pNextSib->prevSib) - pNextSib->prevSib->nextSib = pWin; - pNextSib->prevSib = pWin; - if (!pFirstChange) { /* do we know it yet? */ - pFirstChange = pParent->firstChild; /* no, search from top */ - while ((pFirstChange != pWin) && (pFirstChange != pOldNext)) - pFirstChange = pFirstChange->nextSib; - } - } - if(pWin->drawable.pScreen->RestackWindow) - (*pWin->drawable.pScreen->RestackWindow)(pWin, pOldNextSib); - } - -#ifdef ROOTLESS - /* - * In rootless mode we can't optimize away window restacks. - * There may be non-X windows around, so even if the window - * is in the correct position from X's point of view, - * the underlying window system may want to reorder it. - */ - else if (pWin->drawable.pScreen->RestackWindow) - (*pWin->drawable.pScreen->RestackWindow)(pWin, pWin->nextSib); -#endif - - return pFirstChange; -} - -void -SetWinSize (WindowPtr pWin) -{ -#ifdef COMPOSITE - if (pWin->redirectDraw != RedirectDrawNone) - { - BoxRec box; - - /* - * Redirected clients get clip list equal to their - * own geometry, not clipped to their parent - */ - box.x1 = pWin->drawable.x; - box.y1 = pWin->drawable.y; - box.x2 = pWin->drawable.x + pWin->drawable.width; - box.y2 = pWin->drawable.y + pWin->drawable.height; - RegionReset(&pWin->winSize, &box); - } - else -#endif - ClippedRegionFromBox(pWin->parent, &pWin->winSize, - pWin->drawable.x, pWin->drawable.y, - (int)pWin->drawable.width, - (int)pWin->drawable.height); - if (wBoundingShape (pWin) || wClipShape (pWin)) { - RegionTranslate(&pWin->winSize, - pWin->drawable.x, - - pWin->drawable.y); - if (wBoundingShape (pWin)) - RegionIntersect(&pWin->winSize, &pWin->winSize, - wBoundingShape (pWin)); - if (wClipShape (pWin)) - RegionIntersect(&pWin->winSize, &pWin->winSize, - wClipShape (pWin)); - RegionTranslate(&pWin->winSize, pWin->drawable.x, - pWin->drawable.y); - } -} - -void -SetBorderSize (WindowPtr pWin) -{ - int bw; - - if (HasBorder (pWin)) { - bw = wBorderWidth (pWin); -#ifdef COMPOSITE - if (pWin->redirectDraw != RedirectDrawNone) - { - BoxRec box; - - /* - * Redirected clients get clip list equal to their - * own geometry, not clipped to their parent - */ - box.x1 = pWin->drawable.x - bw; - box.y1 = pWin->drawable.y - bw; - box.x2 = pWin->drawable.x + pWin->drawable.width + bw; - box.y2 = pWin->drawable.y + pWin->drawable.height + bw; - RegionReset(&pWin->borderSize, &box); - } - else -#endif - ClippedRegionFromBox(pWin->parent, &pWin->borderSize, - pWin->drawable.x - bw, pWin->drawable.y - bw, - (int)(pWin->drawable.width + (bw<<1)), - (int)(pWin->drawable.height + (bw<<1))); - if (wBoundingShape (pWin)) { - RegionTranslate(&pWin->borderSize, - pWin->drawable.x, - - pWin->drawable.y); - RegionIntersect(&pWin->borderSize, &pWin->borderSize, - wBoundingShape (pWin)); - RegionTranslate(&pWin->borderSize, pWin->drawable.x, - pWin->drawable.y); - RegionUnion(&pWin->borderSize, &pWin->borderSize, - &pWin->winSize); - } - } else { - RegionCopy(&pWin->borderSize, &pWin->winSize); - } -} - -/** - * - * \param x,y new window position - * \param oldx,oldy old window position - * \param destx,desty position relative to gravity - */ - -void -GravityTranslate (int x, int y, int oldx, int oldy, - int dw, int dh, unsigned gravity, - int *destx, int *desty) -{ - switch (gravity) { - case NorthGravity: - *destx = x + dw / 2; - *desty = y; - break; - case NorthEastGravity: - *destx = x + dw; - *desty = y; - break; - case WestGravity: - *destx = x; - *desty = y + dh / 2; - break; - case CenterGravity: - *destx = x + dw / 2; - *desty = y + dh / 2; - break; - case EastGravity: - *destx = x + dw; - *desty = y + dh / 2; - break; - case SouthWestGravity: - *destx = x; - *desty = y + dh; - break; - case SouthGravity: - *destx = x + dw / 2; - *desty = y + dh; - break; - case SouthEastGravity: - *destx = x + dw; - *desty = y + dh; - break; - case StaticGravity: - *destx = oldx; - *desty = oldy; - break; - default: - *destx = x; - *desty = y; - break; - } -} - -/* XXX need to retile border on each window with ParentRelative origin */ -void -ResizeChildrenWinSize(WindowPtr pWin, int dx, int dy, int dw, int dh) -{ - ScreenPtr pScreen; - WindowPtr pSib, pChild; - Bool resized = (dw || dh); - - pScreen = pWin->drawable.pScreen; - - for (pSib = pWin->firstChild; pSib; pSib = pSib->nextSib) - { - if (resized && (pSib->winGravity > NorthWestGravity)) - { - int cwsx, cwsy; - - cwsx = pSib->origin.x; - cwsy = pSib->origin.y; - GravityTranslate (cwsx, cwsy, cwsx - dx, cwsy - dy, dw, dh, - pSib->winGravity, &cwsx, &cwsy); - if (cwsx != pSib->origin.x || cwsy != pSib->origin.y) - { - xEvent event; - - event.u.u.type = GravityNotify; - event.u.gravity.window = pSib->drawable.id; - event.u.gravity.x = cwsx - wBorderWidth (pSib); - event.u.gravity.y = cwsy - wBorderWidth (pSib); - DeliverEvents (pSib, &event, 1, NullWindow); - pSib->origin.x = cwsx; - pSib->origin.y = cwsy; - } - } - pSib->drawable.x = pWin->drawable.x + pSib->origin.x; - pSib->drawable.y = pWin->drawable.y + pSib->origin.y; - SetWinSize (pSib); - SetBorderSize (pSib); - (*pScreen->PositionWindow)(pSib, pSib->drawable.x, pSib->drawable.y); - - if ( (pChild = pSib->firstChild) ) - { - while (1) - { - pChild->drawable.x = pChild->parent->drawable.x + - pChild->origin.x; - pChild->drawable.y = pChild->parent->drawable.y + - pChild->origin.y; - SetWinSize (pChild); - SetBorderSize (pChild); - (*pScreen->PositionWindow)(pChild, - pChild->drawable.x, pChild->drawable.y); - if (pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - while (!pChild->nextSib && (pChild != pSib)) - pChild = pChild->parent; - if (pChild == pSib) - break; - pChild = pChild->nextSib; - } - } - } -} - -#define GET_INT16(m, f) \ - if (m & mask) \ - { \ - f = (INT16) *pVlist;\ - pVlist++; \ - } -#define GET_CARD16(m, f) \ - if (m & mask) \ - { \ - f = (CARD16) *pVlist;\ - pVlist++;\ - } - -#define GET_CARD8(m, f) \ - if (m & mask) \ - { \ - f = (CARD8) *pVlist;\ - pVlist++;\ - } - -#define ChangeMask ((Mask)(CWX | CWY | CWWidth | CWHeight)) - -#define IllegalInputOnlyConfigureMask (CWBorderWidth) - -/* - * IsSiblingAboveMe - * returns Above if pSib above pMe in stack or Below otherwise - */ - -static int -IsSiblingAboveMe( - WindowPtr pMe, - WindowPtr pSib) -{ - WindowPtr pWin; - - pWin = pMe->parent->firstChild; - while (pWin) - { - if (pWin == pSib) - return Above; - else if (pWin == pMe) - return Below; - pWin = pWin->nextSib; - } - return Below; -} - -static BoxPtr -WindowExtents( - WindowPtr pWin, - BoxPtr pBox) -{ - pBox->x1 = pWin->drawable.x - wBorderWidth (pWin); - pBox->y1 = pWin->drawable.y - wBorderWidth (pWin); - pBox->x2 = pWin->drawable.x + (int)pWin->drawable.width - + wBorderWidth (pWin); - pBox->y2 = pWin->drawable.y + (int)pWin->drawable.height - + wBorderWidth (pWin); - return pBox; -} - -#define IS_SHAPED(pWin) (wBoundingShape (pWin) != (RegionPtr) NULL) - -static RegionPtr -MakeBoundingRegion ( - WindowPtr pWin, - BoxPtr pBox) -{ - RegionPtr pRgn = RegionCreate(pBox, 1); - if (wBoundingShape (pWin)) { - RegionTranslate(pRgn, -pWin->origin.x, -pWin->origin.y); - RegionIntersect(pRgn, pRgn, wBoundingShape (pWin)); - RegionTranslate(pRgn, pWin->origin.x, pWin->origin.y); - } - return pRgn; -} - -static Bool -ShapeOverlap ( - WindowPtr pWin, - BoxPtr pWinBox, - WindowPtr pSib, - BoxPtr pSibBox) -{ - RegionPtr pWinRgn, pSibRgn; - Bool ret; - - if (!IS_SHAPED(pWin) && !IS_SHAPED(pSib)) - return TRUE; - pWinRgn = MakeBoundingRegion (pWin, pWinBox); - pSibRgn = MakeBoundingRegion (pSib, pSibBox); - RegionIntersect(pWinRgn, pWinRgn, pSibRgn); - ret = RegionNotEmpty(pWinRgn); - RegionDestroy(pWinRgn); - RegionDestroy(pSibRgn); - return ret; -} - -static Bool -AnyWindowOverlapsMe( - WindowPtr pWin, - WindowPtr pHead, - BoxPtr box) -{ - WindowPtr pSib; - BoxRec sboxrec; - BoxPtr sbox; - - for (pSib = pWin->prevSib; pSib != pHead; pSib = pSib->prevSib) - { - if (pSib->mapped) - { - sbox = WindowExtents(pSib, &sboxrec); - if (BOXES_OVERLAP(sbox, box) - && ShapeOverlap (pWin, box, pSib, sbox) - ) - return TRUE; - } - } - return FALSE; -} - -static Bool -IOverlapAnyWindow( - WindowPtr pWin, - BoxPtr box) -{ - WindowPtr pSib; - BoxRec sboxrec; - BoxPtr sbox; - - for (pSib = pWin->nextSib; pSib; pSib = pSib->nextSib) - { - if (pSib->mapped) - { - sbox = WindowExtents(pSib, &sboxrec); - if (BOXES_OVERLAP(sbox, box) - && ShapeOverlap (pWin, box, pSib, sbox) - ) - return TRUE; - } - } - return FALSE; -} - -/* - * WhereDoIGoInTheStack() - * Given pWin and pSib and the relationshipe smode, return - * the window that pWin should go ABOVE. - * If a pSib is specified: - * Above: pWin is placed just above pSib - * Below: pWin is placed just below pSib - * TopIf: if pSib occludes pWin, then pWin is placed - * at the top of the stack - * BottomIf: if pWin occludes pSib, then pWin is - * placed at the bottom of the stack - * Opposite: if pSib occludes pWin, then pWin is placed at the - * top of the stack, else if pWin occludes pSib, then - * pWin is placed at the bottom of the stack - * - * If pSib is NULL: - * Above: pWin is placed at the top of the stack - * Below: pWin is placed at the bottom of the stack - * TopIf: if any sibling occludes pWin, then pWin is placed at - * the top of the stack - * BottomIf: if pWin occludes any sibline, then pWin is placed at - * the bottom of the stack - * Opposite: if any sibling occludes pWin, then pWin is placed at - * the top of the stack, else if pWin occludes any - * sibling, then pWin is placed at the bottom of the stack - * - */ - -static WindowPtr -WhereDoIGoInTheStack( - WindowPtr pWin, - WindowPtr pSib, - short x, - short y, - unsigned short w, - unsigned short h, - int smode) -{ - BoxRec box; - WindowPtr pHead, pFirst; - - if ((pWin == pWin->parent->firstChild) && - (pWin == pWin->parent->lastChild)) - return((WindowPtr ) NULL); - pHead = RealChildHead(pWin->parent); - pFirst = pHead ? pHead->nextSib : pWin->parent->firstChild; - box.x1 = x; - box.y1 = y; - box.x2 = x + (int)w; - box.y2 = y + (int)h; - switch (smode) - { - case Above: - if (pSib) - return pSib; - else if (pWin == pFirst) - return pWin->nextSib; - else - return pFirst; - case Below: - if (pSib) - if (pSib->nextSib != pWin) - return pSib->nextSib; - else - return pWin->nextSib; - else - return NullWindow; - case TopIf: - if ((!pWin->mapped || (pSib && !pSib->mapped))) - return pWin->nextSib; - else if (pSib) - { - if ((IsSiblingAboveMe(pWin, pSib) == Above) && - (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT)) - return pFirst; - else - return pWin->nextSib; - } - else if (AnyWindowOverlapsMe(pWin, pHead, &box)) - return pFirst; - else - return pWin->nextSib; - case BottomIf: - if ((!pWin->mapped || (pSib && !pSib->mapped))) - return pWin->nextSib; - else if (pSib) - { - if ((IsSiblingAboveMe(pWin, pSib) == Below) && - (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT)) - return NullWindow; - else - return pWin->nextSib; - } - else if (IOverlapAnyWindow(pWin, &box)) - return NullWindow; - else - return pWin->nextSib; - case Opposite: - if ((!pWin->mapped || (pSib && !pSib->mapped))) - return pWin->nextSib; - else if (pSib) - { - if (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT) - { - if (IsSiblingAboveMe(pWin, pSib) == Above) - return pFirst; - else - return NullWindow; - } - else - return pWin->nextSib; - } - else if (AnyWindowOverlapsMe(pWin, pHead, &box)) - { - /* If I'm occluded, I can't possibly be the first child - * if (pWin == pWin->parent->firstChild) - * return pWin->nextSib; - */ - return pFirst; - } - else if (IOverlapAnyWindow(pWin, &box)) - return NullWindow; - else - return pWin->nextSib; - default: - { - /* should never happen; make something up. */ - return pWin->nextSib; - } - } -} - -static void -ReflectStackChange( - WindowPtr pWin, - WindowPtr pSib, - VTKind kind) -{ -/* Note that pSib might be NULL */ - - Bool WasViewable = (Bool)pWin->viewable; - Bool anyMarked; - WindowPtr pFirstChange; - WindowPtr pLayerWin; - ScreenPtr pScreen = pWin->drawable.pScreen; - - /* if this is a root window, can't be restacked */ - if (!pWin->parent) - return; - - pFirstChange = MoveWindowInStack(pWin, pSib); - - if (WasViewable) - { - anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pFirstChange, - &pLayerWin); - if (pLayerWin != pWin) pFirstChange = pLayerWin; - if (anyMarked) - { - (*pScreen->ValidateTree)(pLayerWin->parent, pFirstChange, kind); - (*pScreen->HandleExposures)(pLayerWin->parent); - } - if (anyMarked && pWin->drawable.pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange, kind); - } - if (pWin->realized) - WindowsRestructured (); -} - -/***** - * ConfigureWindow - *****/ - -int -ConfigureWindow(WindowPtr pWin, Mask mask, XID *vlist, ClientPtr client) -{ -#define RESTACK_WIN 0 -#define MOVE_WIN 1 -#define RESIZE_WIN 2 -#define REBORDER_WIN 3 - WindowPtr pSib = NullWindow; - WindowPtr pParent = pWin->parent; - Window sibwid = 0; - Mask index2, tmask; - XID *pVlist; - short x, y, beforeX, beforeY; - unsigned short w = pWin->drawable.width, - h = pWin->drawable.height, - bw = pWin->borderWidth; - int rc, action, smode = Above; - xEvent event; - - if ((pWin->drawable.class == InputOnly) && (mask & IllegalInputOnlyConfigureMask)) - return BadMatch; - - if ((mask & CWSibling) && !(mask & CWStackMode)) - return BadMatch; - - pVlist = vlist; - - if (pParent) - { - x = pWin->drawable.x - pParent->drawable.x - (int)bw; - y = pWin->drawable.y - pParent->drawable.y - (int)bw; - } - else - { - x = pWin->drawable.x; - y = pWin->drawable.y; - } - beforeX = x; - beforeY = y; - action = RESTACK_WIN; - if ((mask & (CWX | CWY)) && (!(mask & (CWHeight | CWWidth)))) - { - GET_INT16(CWX, x); - GET_INT16(CWY, y); - action = MOVE_WIN; - } - /* or should be resized */ - else if (mask & (CWX | CWY | CWWidth | CWHeight)) - { - GET_INT16(CWX, x); - GET_INT16(CWY, y); - GET_CARD16(CWWidth, w); - GET_CARD16 (CWHeight, h); - if (!w || !h) - { - client->errorValue = 0; - return BadValue; - } - action = RESIZE_WIN; - } - tmask = mask & ~ChangeMask; - while (tmask) - { - index2 = (Mask)lowbit (tmask); - tmask &= ~index2; - switch (index2) - { - case CWBorderWidth: - GET_CARD16(CWBorderWidth, bw); - break; - case CWSibling: - sibwid = (Window ) *pVlist; - pVlist++; - rc = dixLookupWindow(&pSib, sibwid, client, DixGetAttrAccess); - if (rc != Success) - { - client->errorValue = sibwid; - return rc; - } - if (pSib->parent != pParent) - return BadMatch; - if (pSib == pWin) - return BadMatch; - break; - case CWStackMode: - GET_CARD8(CWStackMode, smode); - if ((smode != TopIf) && (smode != BottomIf) && - (smode != Opposite) && (smode != Above) && (smode != Below)) - { - client->errorValue = smode; - return BadValue; - } - break; - default: - client->errorValue = mask; - return BadValue; - } - } - /* root really can't be reconfigured, so just return */ - if (!pParent) - return Success; - - /* Figure out if the window should be moved. Doesnt - make the changes to the window if event sent */ - - if (mask & CWStackMode) - pSib = WhereDoIGoInTheStack(pWin, pSib, pParent->drawable.x + x, - pParent->drawable.y + y, - w + (bw << 1), h + (bw << 1), smode); - else - pSib = pWin->nextSib; - - - if ((!pWin->overrideRedirect) && - (RedirectSend(pParent) - )) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = ConfigureRequest; - event.u.configureRequest.window = pWin->drawable.id; - if (mask & CWSibling) - event.u.configureRequest.sibling = sibwid; - else - event.u.configureRequest.sibling = None; - if (mask & CWStackMode) - event.u.u.detail = smode; - else - event.u.u.detail = Above; - event.u.configureRequest.x = x; - event.u.configureRequest.y = y; -#ifdef PANORAMIX - if(!noPanoramiXExtension && (!pParent || !pParent->parent)) { - event.u.configureRequest.x += screenInfo.screens[0]->x; - event.u.configureRequest.y += screenInfo.screens[0]->y; - } -#endif - event.u.configureRequest.width = w; - event.u.configureRequest.height = h; - event.u.configureRequest.borderWidth = bw; - event.u.configureRequest.valueMask = mask; - event.u.configureRequest.parent = pParent->drawable.id; - if (MaybeDeliverEventsToClient(pParent, &event, 1, - SubstructureRedirectMask, client) == 1) - return Success; - } - if (action == RESIZE_WIN) - { - Bool size_change = (w != pWin->drawable.width) - || (h != pWin->drawable.height); - if (size_change && ((pWin->eventMask|wOtherEventMasks(pWin)) & ResizeRedirectMask)) - { - xEvent eventT; - memset(&eventT, 0, sizeof(xEvent)); - eventT.u.u.type = ResizeRequest; - eventT.u.resizeRequest.window = pWin->drawable.id; - eventT.u.resizeRequest.width = w; - eventT.u.resizeRequest.height = h; - if (MaybeDeliverEventsToClient(pWin, &eventT, 1, - ResizeRedirectMask, client) == 1) - { - /* if event is delivered, leave the actual size alone. */ - w = pWin->drawable.width; - h = pWin->drawable.height; - size_change = FALSE; - } - } - if (!size_change) - { - if (mask & (CWX | CWY)) - action = MOVE_WIN; - else if (mask & (CWStackMode | CWBorderWidth)) - action = RESTACK_WIN; - else /* really nothing to do */ - return(Success) ; - } - } - - if (action == RESIZE_WIN) - /* we've already checked whether there's really a size change */ - goto ActuallyDoSomething; - if ((mask & CWX) && (x != beforeX)) - goto ActuallyDoSomething; - if ((mask & CWY) && (y != beforeY)) - goto ActuallyDoSomething; - if ((mask & CWBorderWidth) && (bw != wBorderWidth (pWin))) - goto ActuallyDoSomething; - if (mask & CWStackMode) - { -#ifndef ROOTLESS - /* See above for why we always reorder in rootless mode. */ - if (pWin->nextSib != pSib) -#endif - goto ActuallyDoSomething; - } - return Success; - -ActuallyDoSomething: - if (pWin->drawable.pScreen->ConfigNotify) - { - int ret; - ret = (*pWin->drawable.pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib); - if (ret) { - client->errorValue = 0; - return ret; - } - } - - if (SubStrSend(pWin, pParent)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = ConfigureNotify; - event.u.configureNotify.window = pWin->drawable.id; - if (pSib) - event.u.configureNotify.aboveSibling = pSib->drawable.id; - else - event.u.configureNotify.aboveSibling = None; - event.u.configureNotify.x = x; - event.u.configureNotify.y = y; -#ifdef PANORAMIX - if(!noPanoramiXExtension && (!pParent || !pParent->parent)) { - event.u.configureNotify.x += screenInfo.screens[0]->x; - event.u.configureNotify.y += screenInfo.screens[0]->y; - } -#endif - event.u.configureNotify.width = w; - event.u.configureNotify.height = h; - event.u.configureNotify.borderWidth = bw; - event.u.configureNotify.override = pWin->overrideRedirect; - DeliverEvents(pWin, &event, 1, NullWindow); - } - if (mask & CWBorderWidth) - { - if (action == RESTACK_WIN) - { - action = MOVE_WIN; - pWin->borderWidth = bw; - } - else if ((action == MOVE_WIN) && - (beforeX + wBorderWidth (pWin) == x + (int)bw) && - (beforeY + wBorderWidth (pWin) == y + (int)bw)) - { - action = REBORDER_WIN; - (*pWin->drawable.pScreen->ChangeBorderWidth)(pWin, bw); - } - else - pWin->borderWidth = bw; - } - if (action == MOVE_WIN) - (*pWin->drawable.pScreen->MoveWindow)(pWin, x, y, pSib, - (mask & CWBorderWidth) ? VTOther : VTMove); - else if (action == RESIZE_WIN) - (*pWin->drawable.pScreen->ResizeWindow)(pWin, x, y, w, h, pSib); - else if (mask & CWStackMode) - ReflectStackChange(pWin, pSib, VTOther); - - if (action != RESTACK_WIN) - CheckCursorConfinement(pWin); - return Success; -#undef RESTACK_WIN -#undef MOVE_WIN -#undef RESIZE_WIN -#undef REBORDER_WIN -} - - -/****** - * - * CirculateWindow - * For RaiseLowest, raises the lowest mapped child (if any) that is - * obscured by another child to the top of the stack. For LowerHighest, - * lowers the highest mapped child (if any) that is obscuring another - * child to the bottom of the stack. Exposure processing is performed - * - ******/ - -int -CirculateWindow(WindowPtr pParent, int direction, ClientPtr client) -{ - WindowPtr pWin, pHead, pFirst; - xEvent event; - BoxRec box; - - pHead = RealChildHead(pParent); - pFirst = pHead ? pHead->nextSib : pParent->firstChild; - if (direction == RaiseLowest) - { - for (pWin = pParent->lastChild; - (pWin != pHead) && - !(pWin->mapped && - AnyWindowOverlapsMe(pWin, pHead, WindowExtents(pWin, &box))); - pWin = pWin->prevSib) ; - if (pWin == pHead) - return Success; - } - else - { - for (pWin = pFirst; - pWin && - !(pWin->mapped && - IOverlapAnyWindow(pWin, WindowExtents(pWin, &box))); - pWin = pWin->nextSib) ; - if (!pWin) - return Success; - } - - event.u.circulate.window = pWin->drawable.id; - event.u.circulate.parent = pParent->drawable.id; - event.u.circulate.event = pParent->drawable.id; - if (direction == RaiseLowest) - event.u.circulate.place = PlaceOnTop; - else - event.u.circulate.place = PlaceOnBottom; - - if (RedirectSend(pParent)) - { - event.u.u.type = CirculateRequest; - if (MaybeDeliverEventsToClient(pParent, &event, 1, - SubstructureRedirectMask, client) == 1) - return Success; - } - - event.u.u.type = CirculateNotify; - DeliverEvents(pWin, &event, 1, NullWindow); - ReflectStackChange(pWin, - (direction == RaiseLowest) ? pFirst : NullWindow, - VTStack); - - return Success; -} - -static int -CompareWIDs( - WindowPtr pWin, - pointer value) /* must conform to VisitWindowProcPtr */ -{ - Window *wid = (Window *)value; - - if (pWin->drawable.id == *wid) - return WT_STOPWALKING; - else - return WT_WALKCHILDREN; -} - -/***** - * ReparentWindow - *****/ - -int -ReparentWindow(WindowPtr pWin, WindowPtr pParent, - int x, int y, ClientPtr client) -{ - WindowPtr pPrev, pPriorParent; - Bool WasMapped = (Bool)(pWin->mapped); - xEvent event; - int bw = wBorderWidth (pWin); - ScreenPtr pScreen; - - pScreen = pWin->drawable.pScreen; - if (TraverseTree(pWin, CompareWIDs, (pointer)&pParent->drawable.id) == WT_STOPWALKING) - return BadMatch; - if (!MakeWindowOptional(pWin)) - return BadAlloc; - - if (WasMapped) - UnmapWindow(pWin, FALSE); - - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = ReparentNotify; - event.u.reparent.window = pWin->drawable.id; - event.u.reparent.parent = pParent->drawable.id; - event.u.reparent.x = x; - event.u.reparent.y = y; -#ifdef PANORAMIX - if(!noPanoramiXExtension && !pParent->parent) { - event.u.reparent.x += screenInfo.screens[0]->x; - event.u.reparent.y += screenInfo.screens[0]->y; - } -#endif - event.u.reparent.override = pWin->overrideRedirect; - DeliverEvents(pWin, &event, 1, pParent); - - /* take out of sibling chain */ - - pPriorParent = pPrev = pWin->parent; - if (pPrev->firstChild == pWin) - pPrev->firstChild = pWin->nextSib; - if (pPrev->lastChild == pWin) - pPrev->lastChild = pWin->prevSib; - - if (pWin->nextSib) - pWin->nextSib->prevSib = pWin->prevSib; - if (pWin->prevSib) - pWin->prevSib->nextSib = pWin->nextSib; - - /* insert at begining of pParent */ - pWin->parent = pParent; - pPrev = RealChildHead(pParent); - if (pPrev) - { - pWin->nextSib = pPrev->nextSib; - if (pPrev->nextSib) - pPrev->nextSib->prevSib = pWin; - else - pParent->lastChild = pWin; - pPrev->nextSib = pWin; - pWin->prevSib = pPrev; - } - else - { - pWin->nextSib = pParent->firstChild; - pWin->prevSib = NullWindow; - if (pParent->firstChild) - pParent->firstChild->prevSib = pWin; - else - pParent->lastChild = pWin; - pParent->firstChild = pWin; - } - - pWin->origin.x = x + bw; - pWin->origin.y = y + bw; - pWin->drawable.x = x + bw + pParent->drawable.x; - pWin->drawable.y = y + bw + pParent->drawable.y; - - /* clip to parent */ - SetWinSize (pWin); - SetBorderSize (pWin); - - if (pScreen->ReparentWindow) - (*pScreen->ReparentWindow)(pWin, pPriorParent); - (*pScreen->PositionWindow)(pWin, pWin->drawable.x, pWin->drawable.y); - ResizeChildrenWinSize(pWin, 0, 0, 0, 0); - - CheckWindowOptionalNeed(pWin); - - if (WasMapped) - MapWindow(pWin, client); - RecalculateDeliverableEvents(pWin); - return Success; -} - -static void -RealizeTree(WindowPtr pWin) -{ - WindowPtr pChild; - RealizeWindowProcPtr Realize; - - Realize = pWin->drawable.pScreen->RealizeWindow; - pChild = pWin; - while (1) - { - if (pChild->mapped) - { - pChild->realized = TRUE; - pChild->viewable = (pChild->drawable.class == InputOutput); - (* Realize)(pChild); - if (pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - } - while (!pChild->nextSib && (pChild != pWin)) - pChild = pChild->parent; - if (pChild == pWin) - return; - pChild = pChild->nextSib; - } -} - -static WindowPtr windowDisableMapUnmapEvents; - -void -DisableMapUnmapEvents(WindowPtr pWin) -{ - assert (windowDisableMapUnmapEvents == NULL); - - windowDisableMapUnmapEvents = pWin; -} - -void -EnableMapUnmapEvents(WindowPtr pWin) -{ - assert (windowDisableMapUnmapEvents != NULL); - - windowDisableMapUnmapEvents = NULL; -} - -static Bool -MapUnmapEventsEnabled(WindowPtr pWin) -{ - return pWin != windowDisableMapUnmapEvents; -} - -/***** - * MapWindow - * If some other client has selected SubStructureReDirect on the parent - * and override-redirect is xFalse, then a MapRequest event is generated, - * but the window remains unmapped. Otherwise, the window is mapped and a - * MapNotify event is generated. - *****/ - -int -MapWindow(WindowPtr pWin, ClientPtr client) -{ - ScreenPtr pScreen; - - WindowPtr pParent; - WindowPtr pLayerWin; - - if (pWin->mapped) - return Success; - - /* general check for permission to map window */ - if (XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id, RT_WINDOW, - pWin, RT_NONE, NULL, DixShowAccess) != Success) - return Success; - - pScreen = pWin->drawable.pScreen; - if ( (pParent = pWin->parent) ) - { - xEvent event; - Bool anyMarked; - - if ((!pWin->overrideRedirect) && - (RedirectSend(pParent) - )) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = MapRequest; - event.u.mapRequest.window = pWin->drawable.id; - event.u.mapRequest.parent = pParent->drawable.id; - - if (MaybeDeliverEventsToClient(pParent, &event, 1, - SubstructureRedirectMask, client) == 1) - return Success; - } - - pWin->mapped = TRUE; - if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = MapNotify; - event.u.mapNotify.window = pWin->drawable.id; - event.u.mapNotify.override = pWin->overrideRedirect; - DeliverEvents(pWin, &event, 1, NullWindow); - } - - if (!pParent->realized) - return Success; - RealizeTree(pWin); - if (pWin->viewable) - { - anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin, - &pLayerWin); - if (anyMarked) - { - (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTMap); - (*pScreen->HandleExposures)(pLayerWin->parent); - } - if (anyMarked && pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin, VTMap); - } - WindowsRestructured (); - } - else - { - RegionRec temp; - - pWin->mapped = TRUE; - pWin->realized = TRUE; /* for roots */ - pWin->viewable = pWin->drawable.class == InputOutput; - /* We SHOULD check for an error value here XXX */ - (*pScreen->RealizeWindow)(pWin); - if (pScreen->ClipNotify) - (*pScreen->ClipNotify) (pWin, 0, 0); - if (pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(NullWindow, pWin, VTMap); - RegionNull(&temp); - RegionCopy(&temp, &pWin->clipList); - (*pScreen->WindowExposures) (pWin, &temp, NullRegion); - RegionUninit(&temp); - } - - return Success; -} - - -/***** - * MapSubwindows - * Performs a MapWindow all unmapped children of the window, in top - * to bottom stacking order. - *****/ - -void -MapSubwindows(WindowPtr pParent, ClientPtr client) -{ - WindowPtr pWin; - WindowPtr pFirstMapped = NullWindow; - ScreenPtr pScreen; - Mask parentRedirect; - Mask parentNotify; - xEvent event; - Bool anyMarked; - WindowPtr pLayerWin; - - pScreen = pParent->drawable.pScreen; - parentRedirect = RedirectSend(pParent); - parentNotify = SubSend(pParent); - anyMarked = FALSE; - for (pWin = pParent->firstChild; pWin; pWin = pWin->nextSib) - { - if (!pWin->mapped) - { - if (parentRedirect && !pWin->overrideRedirect) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = MapRequest; - event.u.mapRequest.window = pWin->drawable.id; - event.u.mapRequest.parent = pParent->drawable.id; - - if (MaybeDeliverEventsToClient(pParent, &event, 1, - SubstructureRedirectMask, client) == 1) - continue; - } - - pWin->mapped = TRUE; - if (parentNotify || StrSend(pWin)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = MapNotify; - event.u.mapNotify.window = pWin->drawable.id; - event.u.mapNotify.override = pWin->overrideRedirect; - DeliverEvents(pWin, &event, 1, NullWindow); - } - - if (!pFirstMapped) - pFirstMapped = pWin; - if (pParent->realized) - { - RealizeTree(pWin); - if (pWin->viewable) - { - anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin, - (WindowPtr *)NULL); - } - } - } - } - - if (pFirstMapped) - { - pLayerWin = (*pScreen->GetLayerWindow)(pParent); - if (pLayerWin->parent != pParent) { - anyMarked |= (*pScreen->MarkOverlappedWindows)(pLayerWin, - pLayerWin, - (WindowPtr *)NULL); - pFirstMapped = pLayerWin; - } - if (anyMarked) - { - (*pScreen->ValidateTree)(pLayerWin->parent, pFirstMapped, VTMap); - (*pScreen->HandleExposures)(pLayerWin->parent); - } - if (anyMarked && pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstMapped, - VTMap); - WindowsRestructured (); - } -} - -static void -UnrealizeTree( - WindowPtr pWin, - Bool fromConfigure) -{ - WindowPtr pChild; - UnrealizeWindowProcPtr Unrealize; - MarkUnrealizedWindowProcPtr MarkUnrealizedWindow; - - Unrealize = pWin->drawable.pScreen->UnrealizeWindow; - MarkUnrealizedWindow = pWin->drawable.pScreen->MarkUnrealizedWindow; - pChild = pWin; - while (1) - { - if (pChild->realized) - { - pChild->realized = FALSE; - pChild->visibility = VisibilityNotViewable; -#ifdef PANORAMIX - if(!noPanoramiXExtension && !pChild->drawable.pScreen->myNum) { - PanoramiXRes *win; - int rc = dixLookupResourceByType((pointer *)&win, - pChild->drawable.id, XRT_WINDOW, - serverClient, DixWriteAccess); - if (rc == Success) - win->u.win.visibility = VisibilityNotViewable; - } -#endif - (* Unrealize)(pChild); - if (MapUnmapEventsEnabled(pWin)) - DeleteWindowFromAnyEvents(pChild, FALSE); - if (pChild->viewable) - { - pChild->viewable = FALSE; - (* MarkUnrealizedWindow)(pChild, pWin, fromConfigure); - pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER; - } - if (pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - } - while (!pChild->nextSib && (pChild != pWin)) - pChild = pChild->parent; - if (pChild == pWin) - return; - pChild = pChild->nextSib; - } -} - -/***** - * UnmapWindow - * If the window is already unmapped, this request has no effect. - * Otherwise, the window is unmapped and an UnMapNotify event is - * generated. Cannot unmap a root window. - *****/ - -int -UnmapWindow(WindowPtr pWin, Bool fromConfigure) -{ - WindowPtr pParent; - xEvent event; - Bool wasRealized = (Bool)pWin->realized; - Bool wasViewable = (Bool)pWin->viewable; - ScreenPtr pScreen = pWin->drawable.pScreen; - WindowPtr pLayerWin = pWin; - - if ((!pWin->mapped) || (!(pParent = pWin->parent))) - return Success; - if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin)) - { - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = UnmapNotify; - event.u.unmapNotify.window = pWin->drawable.id; - event.u.unmapNotify.fromConfigure = fromConfigure; - DeliverEvents(pWin, &event, 1, NullWindow); - } - if (wasViewable && !fromConfigure) - { - pWin->valdata = UnmapValData; - (*pScreen->MarkOverlappedWindows)(pWin, pWin->nextSib, &pLayerWin); - (*pScreen->MarkWindow)(pLayerWin->parent); - } - pWin->mapped = FALSE; - if (wasRealized) - UnrealizeTree(pWin, fromConfigure); - if (wasViewable) - { - if (!fromConfigure) - { - (*pScreen->ValidateTree)(pLayerWin->parent, pWin, VTUnmap); - (*pScreen->HandleExposures)(pLayerWin->parent); - } - if (!fromConfigure && pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(pLayerWin->parent, pWin, VTUnmap); - } - if (wasRealized && !fromConfigure) - WindowsRestructured (); - return Success; -} - -/***** - * UnmapSubwindows - * Performs an UnmapWindow request with the specified mode on all mapped - * children of the window, in bottom to top stacking order. - *****/ - -void -UnmapSubwindows(WindowPtr pWin) -{ - WindowPtr pChild, pHead; - xEvent event; - Bool wasRealized = (Bool)pWin->realized; - Bool wasViewable = (Bool)pWin->viewable; - Bool anyMarked = FALSE; - Mask parentNotify; - WindowPtr pLayerWin = NULL; - ScreenPtr pScreen = pWin->drawable.pScreen; - - if (!pWin->firstChild) - return; - parentNotify = SubSend(pWin); - pHead = RealChildHead(pWin); - - if (wasViewable) - pLayerWin = (*pScreen->GetLayerWindow)(pWin); - - for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib) - { - if (pChild->mapped) - { - if (parentNotify || StrSend(pChild)) - { - event.u.u.type = UnmapNotify; - event.u.unmapNotify.window = pChild->drawable.id; - event.u.unmapNotify.fromConfigure = xFalse; - DeliverEvents(pChild, &event, 1, NullWindow); - } - if (pChild->viewable) - { - pChild->valdata = UnmapValData; - anyMarked = TRUE; - } - pChild->mapped = FALSE; - if (pChild->realized) - UnrealizeTree(pChild, FALSE); - if (wasViewable) - { - } - } - } - if (wasViewable) - { - if (anyMarked) - { - if (pLayerWin->parent == pWin) - (*pScreen->MarkWindow)(pWin); - else - { - WindowPtr ptmp; - (*pScreen->MarkOverlappedWindows)(pWin, pLayerWin, - (WindowPtr *)NULL); - (*pScreen->MarkWindow)(pLayerWin->parent); - - /* Windows between pWin and pLayerWin may not have been marked */ - ptmp = pWin; - - while (ptmp != pLayerWin->parent) - { - (*pScreen->MarkWindow)(ptmp); - ptmp = ptmp->parent; - } - pHead = pWin->firstChild; - } - (*pScreen->ValidateTree)(pLayerWin->parent, pHead, VTUnmap); - (*pScreen->HandleExposures)(pLayerWin->parent); - } - if (anyMarked && pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(pLayerWin->parent, pHead, VTUnmap); - } - if (wasRealized) - WindowsRestructured (); -} - - -void -HandleSaveSet(ClientPtr client) -{ - WindowPtr pParent, pWin; - int j; - - for (j=0; j<client->numSaved; j++) - { - pWin = SaveSetWindow(client->saveSet[j]); -#ifdef XFIXES - if (SaveSetToRoot(client->saveSet[j])) - pParent = pWin->drawable.pScreen->root; - else -#endif - { - pParent = pWin->parent; - while (pParent && (wClient (pParent) == client)) - pParent = pParent->parent; - } - if (pParent) - { - if (pParent != pWin->parent) - { -#ifdef XFIXES - /* unmap first so that ReparentWindow doesn't remap */ - if (!SaveSetShouldMap (client->saveSet[j])) - UnmapWindow(pWin, FALSE); -#endif - ReparentWindow(pWin, pParent, - pWin->drawable.x - wBorderWidth (pWin) - pParent->drawable.x, - pWin->drawable.y - wBorderWidth (pWin) - pParent->drawable.y, - client); - if(!pWin->realized && pWin->mapped) - pWin->mapped = FALSE; - } -#ifdef XFIXES - if (SaveSetShouldMap (client->saveSet[j])) -#endif - MapWindow(pWin, client); - } - } - free(client->saveSet); - client->numSaved = 0; - client->saveSet = (SaveSetElt *)NULL; -} - -/** - * - * \param x,y in root - */ -Bool -PointInWindowIsVisible(WindowPtr pWin, int x, int y) -{ - BoxRec box; - - if (!pWin->realized) - return FALSE; - if (RegionContainsPoint(&pWin->borderClip, - x, y, &box) - && (!wInputShape(pWin) || - RegionContainsPoint(wInputShape(pWin), - x - pWin->drawable.x, - y - pWin->drawable.y, &box))) - return TRUE; - return FALSE; -} - - -RegionPtr -NotClippedByChildren(WindowPtr pWin) -{ - RegionPtr pReg = RegionCreate(NullBox, 1); - if (pWin->parent || - screenIsSaved != SCREEN_SAVER_ON || - !HasSaverWindow (pWin->drawable.pScreen)) - { - RegionIntersect(pReg, &pWin->borderClip, &pWin->winSize); - } - return pReg; -} - -void -SendVisibilityNotify(WindowPtr pWin) -{ - xEvent event; - unsigned int visibility = pWin->visibility; - - if (!MapUnmapEventsEnabled(pWin)) - return; -#ifdef PANORAMIX - /* This is not quite correct yet, but it's close */ - if(!noPanoramiXExtension) { - PanoramiXRes *win; - WindowPtr pWin2; - int rc, i, Scrnum; - - Scrnum = pWin->drawable.pScreen->myNum; - - win = PanoramiXFindIDByScrnum(XRT_WINDOW, pWin->drawable.id, Scrnum); - - if(!win || (win->u.win.visibility == visibility)) - return; - - switch(visibility) { - case VisibilityUnobscured: - FOR_NSCREENS(i) { - if(i == Scrnum) continue; - - rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient, - DixWriteAccess); - - if (rc == Success) { - if(pWin2->visibility == VisibilityPartiallyObscured) - return; - - if(!i) pWin = pWin2; - } - } - break; - case VisibilityPartiallyObscured: - if(Scrnum) { - rc = dixLookupWindow(&pWin2, win->info[0].id, serverClient, - DixWriteAccess); - if (rc == Success) pWin = pWin2; - } - break; - case VisibilityFullyObscured: - FOR_NSCREENS(i) { - if(i == Scrnum) continue; - - rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient, - DixWriteAccess); - - if (rc == Success) { - if(pWin2->visibility != VisibilityFullyObscured) - return; - - if(!i) pWin = pWin2; - } - } - break; - } - - win->u.win.visibility = visibility; - } -#endif - - memset(&event, 0, sizeof(xEvent)); - event.u.u.type = VisibilityNotify; - event.u.visibility.window = pWin->drawable.id; - event.u.visibility.state = visibility; - DeliverEvents(pWin, &event, 1, NullWindow); -} - -#define RANDOM_WIDTH 32 -int -dixSaveScreens(ClientPtr client, int on, int mode) -{ - int rc, i, what, type; - - if (on == SCREEN_SAVER_FORCER) - { - if (mode == ScreenSaverReset) - what = SCREEN_SAVER_OFF; - else - what = SCREEN_SAVER_ON; - type = what; - } - else - { - what = on; - type = what; - if (what == screenIsSaved) - type = SCREEN_SAVER_CYCLE; - } - - for (i = 0; i < screenInfo.numScreens; i++) { - rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i], - DixShowAccess | DixHideAccess); - if (rc != Success) - return rc; - } - for (i = 0; i < screenInfo.numScreens; i++) - { - ScreenPtr pScreen = screenInfo.screens[i]; - if (on == SCREEN_SAVER_FORCER) - (* pScreen->SaveScreen) (pScreen, on); - if (pScreen->screensaver.ExternalScreenSaver) - { - if ((*pScreen->screensaver.ExternalScreenSaver) - (pScreen, type, on == SCREEN_SAVER_FORCER)) - continue; - } - if (type == screenIsSaved) - continue; - switch (type) { - case SCREEN_SAVER_OFF: - if (pScreen->screensaver.blanked == SCREEN_IS_BLANKED) - { - (* pScreen->SaveScreen) (pScreen, what); - } - else if (HasSaverWindow (pScreen)) - { - pScreen->screensaver.pWindow = NullWindow; - FreeResource(pScreen->screensaver.wid, RT_NONE); - } - break; - case SCREEN_SAVER_CYCLE: - if (pScreen->screensaver.blanked == SCREEN_IS_TILED) - { - WindowPtr pWin = pScreen->screensaver.pWindow; - /* make it look like screen saver is off, so that - * NotClippedByChildren will compute a clip list - * for the root window, so miPaintWindow works - */ - screenIsSaved = SCREEN_SAVER_OFF; - (*pWin->drawable.pScreen->MoveWindow)(pWin, - (short)(-(rand() % RANDOM_WIDTH)), - (short)(-(rand() % RANDOM_WIDTH)), - pWin->nextSib, VTMove); - screenIsSaved = SCREEN_SAVER_ON; - } - /* - * Call the DDX saver in case it wants to do something - * at cycle time - */ - else if (pScreen->screensaver.blanked == SCREEN_IS_BLANKED) - { - (* pScreen->SaveScreen) (pScreen, type); - } - break; - case SCREEN_SAVER_ON: - if (ScreenSaverBlanking != DontPreferBlanking) - { - if ((* pScreen->SaveScreen) (pScreen, what)) - { - pScreen->screensaver.blanked = SCREEN_IS_BLANKED; - continue; - } - if ((ScreenSaverAllowExposures != DontAllowExposures) && - TileScreenSaver(pScreen, SCREEN_IS_BLACK)) - { - pScreen->screensaver.blanked = SCREEN_IS_BLACK; - continue; - } - } - if ((ScreenSaverAllowExposures != DontAllowExposures) && - TileScreenSaver(pScreen, SCREEN_IS_TILED)) - { - pScreen->screensaver.blanked = SCREEN_IS_TILED; - } - else - pScreen->screensaver.blanked = SCREEN_ISNT_SAVED; - break; - } - } - screenIsSaved = what; - if (mode == ScreenSaverReset) { - if (on == SCREEN_SAVER_FORCER) { - UpdateCurrentTimeIf(); - lastDeviceEventTime = currentTime; - } - SetScreenSaverTimer(); - } - return Success; -} - -int -SaveScreens(int on, int mode) -{ - return dixSaveScreens(serverClient, on, mode); -} - -static Bool -TileScreenSaver(ScreenPtr pScreen, int kind) -{ - int j; - int result; - XID attributes[3]; - Mask mask; - WindowPtr pWin; - CursorMetricRec cm; - unsigned char *srcbits, *mskbits; - CursorPtr cursor; - XID cursorID = 0; - int attri; - - mask = 0; - attri = 0; - switch (kind) { - case SCREEN_IS_TILED: - switch (pScreen->root->backgroundState) { - case BackgroundPixel: - attributes[attri++] = pScreen->root->background.pixel; - mask |= CWBackPixel; - break; - case BackgroundPixmap: - attributes[attri++] = None; - mask |= CWBackPixmap; - break; - default: - break; - } - break; - case SCREEN_IS_BLACK: - attributes[attri++] = pScreen->root->drawable.pScreen->blackPixel; - mask |= CWBackPixel; - break; - } - mask |= CWOverrideRedirect; - attributes[attri++] = xTrue; - - /* - * create a blank cursor - */ - - cm.width=16; - cm.height=16; - cm.xhot=8; - cm.yhot=8; - srcbits = malloc( BitmapBytePad(32)*16); - mskbits = malloc( BitmapBytePad(32)*16); - if (!srcbits || !mskbits) - { - free(srcbits); - free(mskbits); - cursor = 0; - } - else - { - for (j=0; j<BitmapBytePad(32)*16; j++) - srcbits[j] = mskbits[j] = 0x0; - result = AllocARGBCursor(srcbits, mskbits, NULL, &cm, 0, 0, 0, 0, 0, 0, - &cursor, serverClient, (XID)0); - if (cursor) - { - cursorID = FakeClientID(0); - if (AddResource (cursorID, RT_CURSOR, (pointer) cursor)) - { - attributes[attri] = cursorID; - mask |= CWCursor; - } - else - cursor = 0; - } - else - { - free(srcbits); - free(mskbits); - } - } - - pWin = pScreen->screensaver.pWindow = - CreateWindow(pScreen->screensaver.wid, - pScreen->root, - -RANDOM_WIDTH, -RANDOM_WIDTH, - (unsigned short)pScreen->width + RANDOM_WIDTH, - (unsigned short)pScreen->height + RANDOM_WIDTH, - 0, InputOutput, mask, attributes, 0, serverClient, - wVisual (pScreen->root), &result); - - if (cursor) - FreeResource (cursorID, RT_NONE); - - if (!pWin) - return FALSE; - - if (!AddResource(pWin->drawable.id, RT_WINDOW, - (pointer)pScreen->screensaver.pWindow)) - return FALSE; - - if (mask & CWBackPixmap) - { - MakeRootTile (pWin); - (*pWin->drawable.pScreen->ChangeWindowAttributes)(pWin, CWBackPixmap); - } - MapWindow(pWin, serverClient); - return TRUE; -} - -/* - * FindWindowWithOptional - * - * search ancestors of the given window for an entry containing - * a WindowOpt structure. Assumptions: some parent will - * contain the structure. - */ - -WindowPtr -FindWindowWithOptional (WindowPtr w) -{ - do - w = w->parent; - while (!w->optional); - return w; -} - -/* - * CheckWindowOptionalNeed - * - * check each optional entry in the given window to see if - * the value is satisfied by the default rules. If so, - * release the optional record - */ - -void -CheckWindowOptionalNeed (WindowPtr w) -{ - WindowOptPtr optional; - WindowOptPtr parentOptional; - - if (!w->parent || !w->optional) - return; - optional = w->optional; - if (optional->dontPropagateMask != DontPropagateMasks[w->dontPropagate]) - return; - if (optional->otherEventMasks != 0) - return; - if (optional->otherClients != NULL) - return; - if (optional->passiveGrabs != NULL) - return; - if (optional->userProps != NULL) - return; - if (optional->backingBitPlanes != ~0L) - return; - if (optional->backingPixel != 0) - return; - if (optional->boundingShape != NULL) - return; - if (optional->clipShape != NULL) - return; - if (optional->inputShape != NULL) - return; - if (optional->inputMasks != NULL) - return; - if (optional->deviceCursors != NULL) - { - DevCursNodePtr pNode = optional->deviceCursors; - while(pNode) - { - if (pNode->cursor != None) - return; - pNode = pNode->next; - } - } - - parentOptional = FindWindowWithOptional(w)->optional; - if (optional->visual != parentOptional->visual) - return; - if (optional->cursor != None && - (optional->cursor != parentOptional->cursor || - w->parent->cursorIsNone)) - return; - if (optional->colormap != parentOptional->colormap) - return; - DisposeWindowOptional (w); -} - -/* - * MakeWindowOptional - * - * create an optional record and initialize it with the default - * values. - */ - -Bool -MakeWindowOptional (WindowPtr pWin) -{ - WindowOptPtr optional; - WindowOptPtr parentOptional; - - if (pWin->optional) - return TRUE; - optional = malloc(sizeof (WindowOptRec)); - if (!optional) - return FALSE; - optional->dontPropagateMask = DontPropagateMasks[pWin->dontPropagate]; - optional->otherEventMasks = 0; - optional->otherClients = NULL; - optional->passiveGrabs = NULL; - optional->userProps = NULL; - optional->backingBitPlanes = ~0L; - optional->backingPixel = 0; - optional->boundingShape = NULL; - optional->clipShape = NULL; - optional->inputShape = NULL; - optional->inputMasks = NULL; - optional->deviceCursors = NULL; - - parentOptional = FindWindowWithOptional(pWin)->optional; - optional->visual = parentOptional->visual; - if (!pWin->cursorIsNone) - { - optional->cursor = parentOptional->cursor; - optional->cursor->refcnt++; - } - else - { - optional->cursor = None; - } - optional->colormap = parentOptional->colormap; - pWin->optional = optional; - return TRUE; -} - -/* - * Changes the cursor struct for the given device and the given window. - * A cursor that does not have a device cursor set will use whatever the - * standard cursor is for the window. If all devices have a cursor set, - * changing the window cursor (e.g. using XDefineCursor()) will not have any - * visible effect. Only when one of the device cursors is set to None again, - * this device's cursor will display the changed standard cursor. - * - * CursorIsNone of the window struct is NOT modified if you set a device - * cursor. - * - * Assumption: If there is a node for a device in the list, the device has a - * cursor. If the cursor is set to None, it is inherited by the parent. - */ -int -ChangeWindowDeviceCursor(WindowPtr pWin, - DeviceIntPtr pDev, - CursorPtr pCursor) -{ - DevCursNodePtr pNode, pPrev; - CursorPtr pOldCursor = NULL; - ScreenPtr pScreen; - WindowPtr pChild; - - if (!pWin->optional && !MakeWindowOptional(pWin)) - return BadAlloc; - - /* 1) Check if window has device cursor set - * Yes: 1.1) swap cursor with given cursor if parent does not have same - * cursor, free old cursor - * 1.2) free old cursor, use parent cursor - * No: 1.1) add node to beginning of list. - * 1.2) add cursor to node if parent does not have same cursor - * 1.3) use parent cursor if parent does not have same cursor - * 2) Patch up children if child has a devcursor - * 2.1) if child has cursor None, it inherited from parent, set to old - * cursor - * 2.2) if child has same cursor as new cursor, remove and set to None - */ - - pScreen = pWin->drawable.pScreen; - - if (WindowSeekDeviceCursor(pWin, pDev, &pNode, &pPrev)) - { - /* has device cursor */ - - if (pNode->cursor == pCursor) - return Success; - - pOldCursor = pNode->cursor; - - if (!pCursor) /* remove from list */ - { - if(pPrev) - pPrev->next = pNode->next; - else - /* first item in list */ - pWin->optional->deviceCursors = pNode->next; - - free(pNode); - goto out; - } - - } else - { - /* no device cursor yet */ - DevCursNodePtr pNewNode; - - if (!pCursor) - return Success; - - pNewNode = malloc(sizeof(DevCursNodeRec)); - pNewNode->dev = pDev; - pNewNode->next = pWin->optional->deviceCursors; - pWin->optional->deviceCursors = pNewNode; - pNode = pNewNode; - - } - - if (pCursor && WindowParentHasDeviceCursor(pWin, pDev, pCursor)) - pNode->cursor = None; - else - { - pNode->cursor = pCursor; - pCursor->refcnt++; - } - - pNode = pPrev = NULL; - /* fix up children */ - for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) - { - if (WindowSeekDeviceCursor(pChild, pDev, &pNode, &pPrev)) - { - if (pNode->cursor == None) /* inherited from parent */ - { - pNode->cursor = pOldCursor; - pOldCursor->refcnt++; - } else if (pNode->cursor == pCursor) - { - pNode->cursor = None; - FreeCursor(pCursor, (Cursor)0); /* fix up refcnt */ - } - } - } - -out: - if (pWin->realized) - WindowHasNewCursor(pWin); - - if (pOldCursor) - FreeCursor(pOldCursor, (Cursor)0); - - /* FIXME: We SHOULD check for an error value here XXX - (comment taken from ChangeWindowAttributes) */ - (*pScreen->ChangeWindowAttributes)(pWin, CWCursor); - - return Success; -} - -/* Get device cursor for given device or None if none is set */ -CursorPtr -WindowGetDeviceCursor(WindowPtr pWin, DeviceIntPtr pDev) -{ - DevCursorList pList; - - if (!pWin->optional || !pWin->optional->deviceCursors) - return NULL; - - pList = pWin->optional->deviceCursors; - - while(pList) - { - if (pList->dev == pDev) - { - if (pList->cursor == None) /* inherited from parent */ - return WindowGetDeviceCursor(pWin->parent, pDev); - else - return pList->cursor; - } - pList = pList->next; - } - return NULL; -} - -/* Searches for a DevCursorNode for the given window and device. If one is - * found, return True and set pNode and pPrev to the node and to the node - * before the node respectively. Otherwise return False. - * If the device is the first in list, pPrev is set to NULL. - */ -static Bool -WindowSeekDeviceCursor(WindowPtr pWin, - DeviceIntPtr pDev, - DevCursNodePtr* pNode, - DevCursNodePtr* pPrev) -{ - DevCursorList pList; - - if (!pWin->optional) - return FALSE; - - pList = pWin->optional->deviceCursors; - - if (pList && pList->dev == pDev) - { - *pNode = pList; - *pPrev = NULL; - return TRUE; - } - - while(pList) - { - if (pList->next) - { - if (pList->next->dev == pDev) - { - *pNode = pList->next; - *pPrev = pList; - return TRUE; - } - } - pList = pList->next; - } - return FALSE; -} - -/* Return True if a parent has the same device cursor set or False if - * otherwise - */ -static Bool -WindowParentHasDeviceCursor(WindowPtr pWin, - DeviceIntPtr pDev, - CursorPtr pCursor) -{ - WindowPtr pParent; - DevCursNodePtr pParentNode, pParentPrev; - - pParent = pWin->parent; - while(pParent) - { - if (WindowSeekDeviceCursor(pParent, pDev, - &pParentNode, &pParentPrev)) - { - /* if there is a node in the list, the win has a dev cursor */ - if (!pParentNode->cursor) /* inherited. */ - pParent = pParent->parent; - else if (pParentNode->cursor == pCursor) /* inherit */ - return TRUE; - else /* different cursor */ - return FALSE; - } - else - /* parent does not have a device cursor for our device */ - return FALSE; - } - return FALSE; -} +/*
+
+Copyright (c) 2006, Red Hat, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+
+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.
+
+*/
+
+/* The panoramix components contained the following notice */
+/*****************************************************************
+
+Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software.
+
+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
+DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
+BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL 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 Digital Equipment Corporation
+shall not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from Digital
+Equipment Corporation.
+
+******************************************************************/
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "misc.h"
+#include "scrnintstr.h"
+#include "os.h"
+#include "regionstr.h"
+#include "validate.h"
+#include "windowstr.h"
+#include "input.h"
+#include "inputstr.h"
+#include "resource.h"
+#include "colormapst.h"
+#include "cursorstr.h"
+#include "dixstruct.h"
+#include "gcstruct.h"
+#include "servermd.h"
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+#endif
+#include "dixevents.h"
+#include "globals.h"
+#include "mi.h" /* miPaintWindow */
+
+#include "privates.h"
+#include "xace.h"
+
+/******
+ * Window stuff for server
+ *
+ * CreateRootWindow, CreateWindow, ChangeWindowAttributes,
+ * GetWindowAttributes, DeleteWindow, DestroySubWindows,
+ * HandleSaveSet, ReparentWindow, MapWindow, MapSubWindows,
+ * UnmapWindow, UnmapSubWindows, ConfigureWindow, CirculateWindow,
+ * ChangeWindowDeviceCursor
+ ******/
+
+Bool bgNoneRoot = FALSE;
+
+static unsigned char _back_lsb[4] = {0x88, 0x22, 0x44, 0x11};
+static unsigned char _back_msb[4] = {0x11, 0x44, 0x22, 0x88};
+
+static Bool WindowParentHasDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ CursorPtr pCurs);
+static Bool
+WindowSeekDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ DevCursNodePtr* pNode,
+ DevCursNodePtr* pPrev);
+
+int screenIsSaved = SCREEN_SAVER_OFF;
+
+static Bool TileScreenSaver(ScreenPtr pScreen, int kind);
+
+#define INPUTONLY_LEGAL_MASK (CWWinGravity | CWEventMask | \
+ CWDontPropagate | CWOverrideRedirect | CWCursor )
+
+#define BOXES_OVERLAP(b1, b2) \
+ (!( ((b1)->x2 <= (b2)->x1) || \
+ ( ((b1)->x1 >= (b2)->x2)) || \
+ ( ((b1)->y2 <= (b2)->y1)) || \
+ ( ((b1)->y1 >= (b2)->y2)) ) )
+
+#define RedirectSend(pWin) \
+ ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureRedirectMask)
+
+#define SubSend(pWin) \
+ ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureNotifyMask)
+
+#define StrSend(pWin) \
+ ((pWin->eventMask|wOtherEventMasks(pWin)) & StructureNotifyMask)
+
+#define SubStrSend(pWin,pParent) (StrSend(pWin) || SubSend(pParent))
+
+#ifdef DEBUG
+/******
+ * PrintWindowTree
+ * For debugging only
+ ******/
+
+static void
+PrintChildren(WindowPtr p1, int indent)
+{
+ WindowPtr p2;
+ int i;
+
+ while (p1)
+ {
+ p2 = p1->firstChild;
+ ErrorF("[dix] ");
+ for (i=0; i<indent; i++) ErrorF(" ");
+ ErrorF("%lx\n", p1->drawable.id);
+ RegionPrint(&p1->clipList);
+ PrintChildren(p2, indent+4);
+ p1 = p1->nextSib;
+ }
+}
+
+static void
+PrintWindowTree(void)
+{
+ int i;
+ WindowPtr pWin, p1;
+
+ for (i=0; i<screenInfo.numScreens; i++)
+ {
+ ErrorF("[dix] WINDOW %d\n", i);
+ pWin = screenInfo.screens[i]->root;
+ RegionPrint(&pWin->clipList);
+ p1 = pWin->firstChild;
+ PrintChildren(p1, 4);
+ }
+}
+#endif
+
+int
+TraverseTree(WindowPtr pWin, VisitWindowProcPtr func, pointer data)
+{
+ int result;
+ WindowPtr pChild;
+
+ if (!(pChild = pWin))
+ return WT_NOMATCH;
+ while (1)
+ {
+ result = (* func)(pChild, data);
+ if (result == WT_STOPWALKING)
+ return WT_STOPWALKING;
+ if ((result == WT_WALKCHILDREN) && pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ break;
+ pChild = pChild->nextSib;
+ }
+ return WT_NOMATCH;
+}
+
+/*****
+ * WalkTree
+ * Walk the window tree, for SCREEN, preforming FUNC(pWin, data) on
+ * each window. If FUNC returns WT_WALKCHILDREN, traverse the children,
+ * if it returns WT_DONTWALKCHILDREN, dont. If it returns WT_STOPWALKING
+ * exit WalkTree. Does depth-first traverse.
+ *****/
+
+int
+WalkTree(ScreenPtr pScreen, VisitWindowProcPtr func, pointer data)
+{
+ return(TraverseTree(pScreen->root, func, data));
+}
+
+/* hack for forcing backing store on all windows */
+int defaultBackingStore = NotUseful;
+/* hack to force no backing store */
+Bool disableBackingStore = FALSE;
+Bool enableBackingStore = FALSE;
+
+static void
+SetWindowToDefaults(WindowPtr pWin)
+{
+ pWin->prevSib = NullWindow;
+ pWin->firstChild = NullWindow;
+ pWin->lastChild = NullWindow;
+
+ pWin->valdata = (ValidatePtr)NULL;
+ pWin->optional = (WindowOptPtr)NULL;
+ pWin->cursorIsNone = TRUE;
+
+ pWin->backingStore = NotUseful;
+ pWin->DIXsaveUnder = FALSE;
+ pWin->backStorage = (pointer) NULL;
+
+ pWin->mapped = FALSE; /* off */
+ pWin->realized = FALSE; /* off */
+ pWin->viewable = FALSE;
+ pWin->visibility = VisibilityNotViewable;
+ pWin->overrideRedirect = FALSE;
+ pWin->saveUnder = FALSE;
+
+ pWin->bitGravity = ForgetGravity;
+ pWin->winGravity = NorthWestGravity;
+
+ pWin->eventMask = 0;
+ pWin->deliverableEvents = 0;
+ pWin->dontPropagate = 0;
+ pWin->forcedBS = FALSE;
+ pWin->redirectDraw = RedirectDrawNone;
+ pWin->forcedBG = FALSE;
+
+#ifdef ROOTLESS
+ pWin->rootlessUnhittable = FALSE;
+#endif
+
+#ifdef COMPOSITE
+ pWin->damagedDescendants = FALSE;
+#endif
+}
+
+static void
+MakeRootTile(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ GCPtr pGC;
+ unsigned char back[128];
+ int len = BitmapBytePad(sizeof(long));
+ unsigned char *from, *to;
+ int i, j;
+
+ pWin->background.pixmap = (*pScreen->CreatePixmap)(pScreen, 4, 4,
+ pScreen->rootDepth, 0);
+
+ pWin->backgroundState = BackgroundPixmap;
+ pGC = GetScratchGC(pScreen->rootDepth, pScreen);
+ if (!pWin->background.pixmap || !pGC)
+ FatalError("could not create root tile");
+
+ {
+ ChangeGCVal attributes[2];
+
+ attributes[0].val = pScreen->whitePixel;
+ attributes[1].val = pScreen->blackPixel;
+
+ (void)ChangeGC(NullClient, pGC, GCForeground | GCBackground, attributes);
+ }
+
+ ValidateGC((DrawablePtr)pWin->background.pixmap, pGC);
+
+ from = (screenInfo.bitmapBitOrder == LSBFirst) ? _back_lsb : _back_msb;
+ to = back;
+
+ for (i = 4; i > 0; i--, from++)
+ for (j = len; j > 0; j--)
+ *to++ = *from;
+
+ (*pGC->ops->PutImage)((DrawablePtr)pWin->background.pixmap, pGC, 1,
+ 0, 0, len, 4, 0, XYBitmap, (char *)back);
+
+ FreeScratchGC(pGC);
+
+}
+
+/*****
+ * CreateRootWindow
+ * Makes a window at initialization time for specified screen
+ *****/
+
+Bool
+CreateRootWindow(ScreenPtr pScreen)
+{
+ WindowPtr pWin;
+ BoxRec box;
+ PixmapFormatRec *format;
+
+ pWin = dixAllocateObjectWithPrivates(WindowRec, PRIVATE_WINDOW);
+ if (!pWin)
+ return FALSE;
+
+ pScreen->screensaver.pWindow = NULL;
+ pScreen->screensaver.wid = FakeClientID(0);
+ pScreen->screensaver.ExternalScreenSaver = NULL;
+ screenIsSaved = SCREEN_SAVER_OFF;
+
+ pScreen->root = pWin;
+
+ pWin->drawable.pScreen = pScreen;
+ pWin->drawable.type = DRAWABLE_WINDOW;
+
+ pWin->drawable.depth = pScreen->rootDepth;
+ for (format = screenInfo.formats;
+ format->depth != pScreen->rootDepth;
+ format++)
+ ;
+ pWin->drawable.bitsPerPixel = format->bitsPerPixel;
+
+ pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+
+ pWin->parent = NullWindow;
+ SetWindowToDefaults(pWin);
+
+ pWin->optional = malloc(sizeof (WindowOptRec));
+ if (!pWin->optional)
+ return FALSE;
+
+ pWin->optional->dontPropagateMask = 0;
+ pWin->optional->otherEventMasks = 0;
+ pWin->optional->otherClients = NULL;
+ pWin->optional->passiveGrabs = NULL;
+ pWin->optional->userProps = NULL;
+ pWin->optional->backingBitPlanes = ~0L;
+ pWin->optional->backingPixel = 0;
+ pWin->optional->boundingShape = NULL;
+ pWin->optional->clipShape = NULL;
+ pWin->optional->inputShape = NULL;
+ pWin->optional->inputMasks = NULL;
+ pWin->optional->deviceCursors = NULL;
+ pWin->optional->colormap = pScreen->defColormap;
+ pWin->optional->visual = pScreen->rootVisual;
+
+ pWin->nextSib = NullWindow;
+
+ pWin->drawable.id = FakeClientID(0);
+
+ pWin->origin.x = pWin->origin.y = 0;
+ pWin->drawable.height = pScreen->height;
+ pWin->drawable.width = pScreen->width;
+ pWin->drawable.x = pWin->drawable.y = 0;
+
+ box.x1 = 0;
+ box.y1 = 0;
+ box.x2 = pScreen->width;
+ box.y2 = pScreen->height;
+ RegionInit(&pWin->clipList, &box, 1);
+ RegionInit(&pWin->winSize, &box, 1);
+ RegionInit(&pWin->borderSize, &box, 1);
+ RegionInit(&pWin->borderClip, &box, 1);
+
+ pWin->drawable.class = InputOutput;
+ pWin->optional->visual = pScreen->rootVisual;
+
+ pWin->backgroundState = BackgroundPixel;
+ pWin->background.pixel = pScreen->whitePixel;
+
+ pWin->borderIsPixel = TRUE;
+ pWin->border.pixel = pScreen->blackPixel;
+ pWin->borderWidth = 0;
+
+ /* security creation/labeling check
+ */
+ if (XaceHook(XACE_RESOURCE_ACCESS, serverClient, pWin->drawable.id,
+ RT_WINDOW, pWin, RT_NONE, NULL, DixCreateAccess))
+ return FALSE;
+
+ if (!AddResource(pWin->drawable.id, RT_WINDOW, (pointer)pWin))
+ return FALSE;
+
+ if (disableBackingStore)
+ pScreen->backingStoreSupport = NotUseful;
+ if (enableBackingStore)
+ pScreen->backingStoreSupport = Always;
+
+ pScreen->saveUnderSupport = NotUseful;
+
+ return TRUE;
+}
+
+void
+InitRootWindow(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ int backFlag = CWBorderPixel | CWCursor | CWBackingStore;
+
+ if (!(*pScreen->CreateWindow)(pWin))
+ return; /* XXX */
+ (*pScreen->PositionWindow)(pWin, 0, 0);
+
+ pWin->cursorIsNone = FALSE;
+ pWin->optional->cursor = rootCursor;
+ rootCursor->refcnt++;
+
+
+ if (party_like_its_1989) {
+ MakeRootTile(pWin);
+ backFlag |= CWBackPixmap;
+ } else if (pScreen->canDoBGNoneRoot && bgNoneRoot) {
+ pWin->backgroundState = XaceBackgroundNoneState(pWin);
+ pWin->background.pixel = pScreen->whitePixel;
+ backFlag |= CWBackPixmap;
+ } else {
+ if (whiteRoot)
+ pWin->background.pixel = pScreen->whitePixel;
+ else
+ pWin->background.pixel = pScreen->blackPixel;
+ backFlag |= CWBackPixel;
+ }
+
+ pWin->backingStore = defaultBackingStore;
+ pWin->forcedBS = (defaultBackingStore != NotUseful);
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->ChangeWindowAttributes)(pWin, backFlag);
+
+ MapWindow(pWin, serverClient);
+}
+
+/* Set the region to the intersection of the rectangle and the
+ * window's winSize. The window is typically the parent of the
+ * window from which the region came.
+ */
+
+static void
+ClippedRegionFromBox(WindowPtr pWin, RegionPtr Rgn,
+ int x, int y,
+ int w, int h)
+{
+ BoxRec box = *RegionExtents(&pWin->winSize);
+
+ /* we do these calculations to avoid overflows */
+ if (x > box.x1)
+ box.x1 = x;
+ if (y > box.y1)
+ box.y1 = y;
+ x += w;
+ if (x < box.x2)
+ box.x2 = x;
+ y += h;
+ if (y < box.y2)
+ box.y2 = y;
+ if (box.x1 > box.x2)
+ box.x2 = box.x1;
+ if (box.y1 > box.y2)
+ box.y2 = box.y1;
+ RegionReset(Rgn, &box);
+ RegionIntersect(Rgn, Rgn, &pWin->winSize);
+}
+
+static RealChildHeadProc realChildHeadProc = NULL;
+
+void
+RegisterRealChildHeadProc (RealChildHeadProc proc)
+{
+ realChildHeadProc = proc;
+}
+
+
+WindowPtr
+RealChildHead(WindowPtr pWin)
+{
+ if (realChildHeadProc) {
+ return realChildHeadProc (pWin);
+ }
+
+ if (!pWin->parent &&
+ (screenIsSaved == SCREEN_SAVER_ON) &&
+ (HasSaverWindow (pWin->drawable.pScreen)))
+ return pWin->firstChild;
+ else
+ return NullWindow;
+}
+
+/*****
+ * CreateWindow
+ * Makes a window in response to client request
+ *****/
+
+WindowPtr
+CreateWindow(Window wid, WindowPtr pParent, int x, int y, unsigned w,
+ unsigned h, unsigned bw, unsigned class, Mask vmask, XID *vlist,
+ int depth, ClientPtr client, VisualID visual, int *error)
+{
+ WindowPtr pWin;
+ WindowPtr pHead;
+ ScreenPtr pScreen;
+ xEvent event;
+ int idepth, ivisual;
+ Bool fOK;
+ DepthPtr pDepth;
+ PixmapFormatRec *format;
+ WindowOptPtr ancwopt;
+
+ if (class == CopyFromParent)
+ class = pParent->drawable.class;
+
+ if ((class != InputOutput) && (class != InputOnly))
+ {
+ *error = BadValue;
+ client->errorValue = class;
+ return NullWindow;
+ }
+
+ if ((class != InputOnly) && (pParent->drawable.class == InputOnly))
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+
+ if ((class == InputOnly) && ((bw != 0) || (depth != 0)))
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+
+ pScreen = pParent->drawable.pScreen;
+ if ((class == InputOutput) && (depth == 0))
+ depth = pParent->drawable.depth;
+ ancwopt = pParent->optional;
+ if (!ancwopt)
+ ancwopt = FindWindowWithOptional(pParent)->optional;
+ if (visual == CopyFromParent) {
+ visual = ancwopt->visual;
+ }
+
+ /* Find out if the depth and visual are acceptable for this Screen */
+ if ((visual != ancwopt->visual) || (depth != pParent->drawable.depth))
+ {
+ fOK = FALSE;
+ for(idepth = 0; idepth < pScreen->numDepths; idepth++)
+ {
+ pDepth = (DepthPtr) &pScreen->allowedDepths[idepth];
+ if ((depth == pDepth->depth) || (depth == 0))
+ {
+ for (ivisual = 0; ivisual < pDepth->numVids; ivisual++)
+ {
+ if (visual == pDepth->vids[ivisual])
+ {
+ fOK = TRUE;
+ break;
+ }
+ }
+ }
+ }
+ if (fOK == FALSE)
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+ }
+
+ if (((vmask & (CWBorderPixmap | CWBorderPixel)) == 0) &&
+ (class != InputOnly) &&
+ (depth != pParent->drawable.depth))
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+
+ if (((vmask & CWColormap) == 0) &&
+ (class != InputOnly) &&
+ ((visual != ancwopt->visual) || (ancwopt->colormap == None)))
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+
+ pWin = dixAllocateObjectWithPrivates(WindowRec, PRIVATE_WINDOW);
+ if (!pWin)
+ {
+ *error = BadAlloc;
+ return NullWindow;
+ }
+ pWin->drawable = pParent->drawable;
+ pWin->drawable.depth = depth;
+ if (depth == pParent->drawable.depth)
+ pWin->drawable.bitsPerPixel = pParent->drawable.bitsPerPixel;
+ else
+ {
+ for (format = screenInfo.formats; format->depth != depth; format++)
+ ;
+ pWin->drawable.bitsPerPixel = format->bitsPerPixel;
+ }
+ if (class == InputOnly)
+ pWin->drawable.type = (short) UNDRAWABLE_WINDOW;
+ pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+
+ pWin->drawable.id = wid;
+ pWin->drawable.class = class;
+
+ pWin->parent = pParent;
+ SetWindowToDefaults(pWin);
+
+ if (visual != ancwopt->visual)
+ {
+ if (!MakeWindowOptional (pWin))
+ {
+ dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW);
+ *error = BadAlloc;
+ return NullWindow;
+ }
+ pWin->optional->visual = visual;
+ pWin->optional->colormap = None;
+ }
+
+ pWin->borderWidth = bw;
+
+ /* security creation/labeling check
+ */
+ *error = XaceHook(XACE_RESOURCE_ACCESS, client, wid, RT_WINDOW, pWin,
+ RT_WINDOW, pWin->parent, DixCreateAccess|DixSetAttrAccess);
+ if (*error != Success) {
+ dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW);
+ return NullWindow;
+ }
+
+ pWin->backgroundState = XaceBackgroundNoneState(pWin);
+ pWin->background.pixel = pScreen->whitePixel;
+
+ pWin->borderIsPixel = pParent->borderIsPixel;
+ pWin->border = pParent->border;
+ if (pWin->borderIsPixel == FALSE)
+ pWin->border.pixmap->refcnt++;
+
+ pWin->origin.x = x + (int)bw;
+ pWin->origin.y = y + (int)bw;
+ pWin->drawable.width = w;
+ pWin->drawable.height = h;
+ pWin->drawable.x = pParent->drawable.x + x + (int)bw;
+ pWin->drawable.y = pParent->drawable.y + y + (int)bw;
+
+ /* set up clip list correctly for unobscured WindowPtr */
+ RegionNull(&pWin->clipList);
+ RegionNull(&pWin->borderClip);
+ RegionNull(&pWin->winSize);
+ RegionNull(&pWin->borderSize);
+
+ pHead = RealChildHead(pParent);
+ if (pHead)
+ {
+ pWin->nextSib = pHead->nextSib;
+ if (pHead->nextSib)
+ pHead->nextSib->prevSib = pWin;
+ else
+ pParent->lastChild = pWin;
+ pHead->nextSib = pWin;
+ pWin->prevSib = pHead;
+ }
+ else
+ {
+ pWin->nextSib = pParent->firstChild;
+ if (pParent->firstChild)
+ pParent->firstChild->prevSib = pWin;
+ else
+ pParent->lastChild = pWin;
+ pParent->firstChild = pWin;
+ }
+
+ SetWinSize (pWin);
+ SetBorderSize (pWin);
+
+ /* We SHOULD check for an error value here XXX */
+ if (!(*pScreen->CreateWindow)(pWin))
+ {
+ *error = BadAlloc;
+ DeleteWindow(pWin, None);
+ return NullWindow;
+ }
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->PositionWindow)(pWin, pWin->drawable.x, pWin->drawable.y);
+
+ if (!(vmask & CWEventMask))
+ RecalculateDeliverableEvents(pWin);
+
+ if (vmask)
+ *error = ChangeWindowAttributes(pWin, vmask, vlist, wClient (pWin));
+ else
+ *error = Success;
+
+ if (*error != Success)
+ {
+ DeleteWindow(pWin, None);
+ return NullWindow;
+ }
+ if (!(vmask & CWBackingStore) && (defaultBackingStore != NotUseful))
+ {
+ XID value = defaultBackingStore;
+ (void)ChangeWindowAttributes(pWin, CWBackingStore, &value, wClient (pWin));
+ pWin->forcedBS = TRUE;
+ }
+
+ if (SubSend(pParent))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = CreateNotify;
+ event.u.createNotify.window = wid;
+ event.u.createNotify.parent = pParent->drawable.id;
+ event.u.createNotify.x = x;
+ event.u.createNotify.y = y;
+ event.u.createNotify.width = w;
+ event.u.createNotify.height = h;
+ event.u.createNotify.borderWidth = bw;
+ event.u.createNotify.override = pWin->overrideRedirect;
+ DeliverEvents(pParent, &event, 1, NullWindow);
+ }
+ return pWin;
+}
+
+static void
+DisposeWindowOptional (WindowPtr pWin)
+{
+ if (!pWin->optional)
+ return;
+ /*
+ * everything is peachy. Delete the optional record
+ * and clean up
+ */
+ if (pWin->optional->cursor)
+ {
+ FreeCursor (pWin->optional->cursor, (Cursor)0);
+ pWin->cursorIsNone = FALSE;
+ }
+ else
+ pWin->cursorIsNone = TRUE;
+
+ if (pWin->optional->deviceCursors)
+ {
+ DevCursorList pList;
+ DevCursorList pPrev;
+ pList = pWin->optional->deviceCursors;
+ while(pList)
+ {
+ if (pList->cursor)
+ FreeCursor(pList->cursor, (XID)0);
+ pPrev = pList;
+ pList = pList->next;
+ free(pPrev);
+ }
+ pWin->optional->deviceCursors = NULL;
+ }
+
+ free(pWin->optional);
+ pWin->optional = NULL;
+}
+
+static void
+FreeWindowResources(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ DeleteWindowFromAnySaveSet(pWin);
+ DeleteWindowFromAnySelections(pWin);
+ DeleteWindowFromAnyEvents(pWin, TRUE);
+ RegionUninit(&pWin->clipList);
+ RegionUninit(&pWin->winSize);
+ RegionUninit(&pWin->borderClip);
+ RegionUninit(&pWin->borderSize);
+ if (wBoundingShape (pWin))
+ RegionDestroy(wBoundingShape (pWin));
+ if (wClipShape (pWin))
+ RegionDestroy(wClipShape (pWin));
+ if (wInputShape (pWin))
+ RegionDestroy(wInputShape (pWin));
+ if (pWin->borderIsPixel == FALSE)
+ (*pScreen->DestroyPixmap)(pWin->border.pixmap);
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+
+ DeleteAllWindowProperties(pWin);
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->DestroyWindow)(pWin);
+ DisposeWindowOptional (pWin);
+}
+
+static void
+CrushTree(WindowPtr pWin)
+{
+ WindowPtr pChild, pSib, pParent;
+ UnrealizeWindowProcPtr UnrealizeWindow;
+ xEvent event;
+
+ if (!(pChild = pWin->firstChild))
+ return;
+ UnrealizeWindow = pWin->drawable.pScreen->UnrealizeWindow;
+ while (1)
+ {
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ while (1)
+ {
+ pParent = pChild->parent;
+ if (SubStrSend(pChild, pParent))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = DestroyNotify;
+ event.u.destroyNotify.window = pChild->drawable.id;
+ DeliverEvents(pChild, &event, 1, NullWindow);
+ }
+ FreeResource(pChild->drawable.id, RT_WINDOW);
+ pSib = pChild->nextSib;
+ pChild->viewable = FALSE;
+ if (pChild->realized)
+ {
+ pChild->realized = FALSE;
+ (*UnrealizeWindow)(pChild);
+ }
+ FreeWindowResources(pChild);
+ dixFreeObjectWithPrivates(pChild, PRIVATE_WINDOW);
+ if ( (pChild = pSib) )
+ break;
+ pChild = pParent;
+ pChild->firstChild = NullWindow;
+ pChild->lastChild = NullWindow;
+ if (pChild == pWin)
+ return;
+ }
+ }
+}
+
+/*****
+ * DeleteWindow
+ * Deletes child of window then window itself
+ * If wid is None, don't send any events
+ *****/
+
+int
+DeleteWindow(pointer value, XID wid)
+ {
+ WindowPtr pParent;
+ WindowPtr pWin = (WindowPtr)value;
+ xEvent event;
+
+ UnmapWindow(pWin, FALSE);
+
+ CrushTree(pWin);
+
+ pParent = pWin->parent;
+ if (wid && pParent && SubStrSend(pWin, pParent))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = DestroyNotify;
+ event.u.destroyNotify.window = pWin->drawable.id;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+
+ FreeWindowResources(pWin);
+ if (pParent)
+ {
+ if (pParent->firstChild == pWin)
+ pParent->firstChild = pWin->nextSib;
+ if (pParent->lastChild == pWin)
+ pParent->lastChild = pWin->prevSib;
+ if (pWin->nextSib)
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+ }
+ else
+ pWin->drawable.pScreen->root = NULL;
+ dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW);
+ return Success;
+}
+
+int
+DestroySubwindows(WindowPtr pWin, ClientPtr client)
+{
+ /* XXX
+ * The protocol is quite clear that each window should be
+ * destroyed in turn, however, unmapping all of the first
+ * eliminates most of the calls to ValidateTree. So,
+ * this implementation is incorrect in that all of the
+ * UnmapNotifies occur before all of the DestroyNotifies.
+ * If you care, simply delete the call to UnmapSubwindows.
+ */
+ UnmapSubwindows(pWin);
+ while (pWin->lastChild) {
+ int rc = XaceHook(XACE_RESOURCE_ACCESS, client,
+ pWin->lastChild->drawable.id, RT_WINDOW,
+ pWin->lastChild, RT_NONE, NULL, DixDestroyAccess);
+ if (rc != Success)
+ return rc;
+ FreeResource(pWin->lastChild->drawable.id, RT_NONE);
+ }
+ return Success;
+}
+
+static void
+SetRootWindowBackground(WindowPtr pWin, ScreenPtr pScreen, Mask *index2)
+{
+ /* following the protocol: "Changing the background of a root window to
+ * None or ParentRelative restores the default background pixmap" */
+ if (bgNoneRoot) {
+ pWin->backgroundState = XaceBackgroundNoneState(pWin);
+ pWin->background.pixel = pScreen->whitePixel;
+ }
+ else if (party_like_its_1989)
+ MakeRootTile(pWin);
+ else {
+ if (whiteRoot)
+ pWin->background.pixel = pScreen->whitePixel;
+ else
+ pWin->background.pixel = pScreen->blackPixel;
+ *index2 = CWBackPixel;
+ }
+}
+
+/*****
+ * ChangeWindowAttributes
+ *
+ * The value-mask specifies which attributes are to be changed; the
+ * value-list contains one value for each one bit in the mask, from least
+ * to most significant bit in the mask.
+ *****/
+
+int
+ChangeWindowAttributes(WindowPtr pWin, Mask vmask, XID *vlist, ClientPtr client)
+{
+ XID *pVlist;
+ PixmapPtr pPixmap;
+ Pixmap pixID;
+ CursorPtr pCursor, pOldCursor;
+ Cursor cursorID;
+ WindowPtr pChild;
+ Colormap cmap;
+ ColormapPtr pCmap;
+ xEvent xE;
+ int error, rc;
+ ScreenPtr pScreen;
+ Mask index2, tmask, vmaskCopy = 0;
+ unsigned int val;
+ Bool checkOptional = FALSE, borderRelative = FALSE;
+
+ if ((pWin->drawable.class == InputOnly) && (vmask & (~INPUTONLY_LEGAL_MASK)))
+ return BadMatch;
+
+ error = Success;
+ pScreen = pWin->drawable.pScreen;
+ pVlist = vlist;
+ tmask = vmask;
+ while (tmask)
+ {
+ index2 = (Mask) lowbit (tmask);
+ tmask &= ~index2;
+ switch (index2)
+ {
+ case CWBackPixmap:
+ pixID = (Pixmap )*pVlist;
+ pVlist++;
+ if (pWin->backgroundState == ParentRelative)
+ borderRelative = TRUE;
+ if (pixID == None)
+ {
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+ if (!pWin->parent)
+ SetRootWindowBackground(pWin, pScreen, &index2);
+ else {
+ pWin->backgroundState = XaceBackgroundNoneState(pWin);
+ pWin->background.pixel = pScreen->whitePixel;
+ }
+ }
+ else if (pixID == ParentRelative)
+ {
+ if (pWin->parent &&
+ pWin->drawable.depth != pWin->parent->drawable.depth)
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+ if (!pWin->parent)
+ SetRootWindowBackground(pWin, pScreen, &index2);
+ else
+ pWin->backgroundState = ParentRelative;
+ borderRelative = TRUE;
+ /* Note that the parent's backgroundTile's refcnt is NOT
+ * incremented. */
+ }
+ else
+ {
+ rc = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
+ client, DixReadAccess);
+ if (rc == Success)
+ {
+ if ((pPixmap->drawable.depth != pWin->drawable.depth) ||
+ (pPixmap->drawable.pScreen != pScreen))
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+ pWin->backgroundState = BackgroundPixmap;
+ pWin->background.pixmap = pPixmap;
+ pPixmap->refcnt++;
+ }
+ else
+ {
+ error = rc;
+ client->errorValue = pixID;
+ goto PatchUp;
+ }
+ }
+ break;
+ case CWBackPixel:
+ if (pWin->backgroundState == ParentRelative)
+ borderRelative = TRUE;
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+ pWin->backgroundState = BackgroundPixel;
+ pWin->background.pixel = (CARD32 ) *pVlist;
+ /* background pixel overrides background pixmap,
+ so don't let the ddx layer see both bits */
+ vmaskCopy &= ~CWBackPixmap;
+ pVlist++;
+ break;
+ case CWBorderPixmap:
+ pixID = (Pixmap ) *pVlist;
+ pVlist++;
+ if (pixID == CopyFromParent)
+ {
+ if (!pWin->parent ||
+ (pWin->drawable.depth != pWin->parent->drawable.depth))
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (pWin->parent->borderIsPixel == TRUE) {
+ if (pWin->borderIsPixel == FALSE)
+ (*pScreen->DestroyPixmap)(pWin->border.pixmap);
+ pWin->border = pWin->parent->border;
+ pWin->borderIsPixel = TRUE;
+ index2 = CWBorderPixel;
+ break;
+ }
+ else
+ {
+ pixID = pWin->parent->border.pixmap->drawable.id;
+ }
+ }
+ rc = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
+ client, DixReadAccess);
+ if (rc == Success)
+ {
+ if ((pPixmap->drawable.depth != pWin->drawable.depth) ||
+ (pPixmap->drawable.pScreen != pScreen))
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (pWin->borderIsPixel == FALSE)
+ (*pScreen->DestroyPixmap)(pWin->border.pixmap);
+ pWin->borderIsPixel = FALSE;
+ pWin->border.pixmap = pPixmap;
+ pPixmap->refcnt++;
+ }
+ else
+ {
+ error = rc;
+ client->errorValue = pixID;
+ goto PatchUp;
+ }
+ break;
+ case CWBorderPixel:
+ if (pWin->borderIsPixel == FALSE)
+ (*pScreen->DestroyPixmap)(pWin->border.pixmap);
+ pWin->borderIsPixel = TRUE;
+ pWin->border.pixel = (CARD32) *pVlist;
+ /* border pixel overrides border pixmap,
+ so don't let the ddx layer see both bits */
+ vmaskCopy &= ~CWBorderPixmap;
+ pVlist++;
+ break;
+ case CWBitGravity:
+ val = (CARD8 )*pVlist;
+ pVlist++;
+ if (val > StaticGravity)
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ pWin->bitGravity = val;
+ break;
+ case CWWinGravity:
+ val = (CARD8 )*pVlist;
+ pVlist++;
+ if (val > StaticGravity)
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ pWin->winGravity = val;
+ break;
+ case CWBackingStore:
+ val = (CARD8 )*pVlist;
+ pVlist++;
+ if ((val != NotUseful) && (val != WhenMapped) && (val != Always))
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ pWin->backingStore = val;
+ pWin->forcedBS = FALSE;
+ break;
+ case CWBackingPlanes:
+ if (pWin->optional || ((CARD32)*pVlist != (CARD32)~0L)) {
+ if (!pWin->optional && !MakeWindowOptional (pWin))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ pWin->optional->backingBitPlanes = (CARD32) *pVlist;
+ if ((CARD32)*pVlist == (CARD32)~0L)
+ checkOptional = TRUE;
+ }
+ pVlist++;
+ break;
+ case CWBackingPixel:
+ if (pWin->optional || (CARD32) *pVlist) {
+ if (!pWin->optional && !MakeWindowOptional (pWin))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ pWin->optional->backingPixel = (CARD32) *pVlist;
+ if (!*pVlist)
+ checkOptional = TRUE;
+ }
+ pVlist++;
+ break;
+ case CWSaveUnder:
+ val = (BOOL) *pVlist;
+ pVlist++;
+ if ((val != xTrue) && (val != xFalse))
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ pWin->saveUnder = val;
+ break;
+ case CWEventMask:
+ rc = EventSelectForWindow(pWin, client, (Mask )*pVlist);
+ if (rc)
+ {
+ error = rc;
+ goto PatchUp;
+ }
+ pVlist++;
+ break;
+ case CWDontPropagate:
+ rc = EventSuppressForWindow(pWin, client, (Mask )*pVlist,
+ &checkOptional);
+ if (rc)
+ {
+ error = rc;
+ goto PatchUp;
+ }
+ pVlist++;
+ break;
+ case CWOverrideRedirect:
+ val = (BOOL ) *pVlist;
+ pVlist++;
+ if ((val != xTrue) && (val != xFalse))
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ if (val == xTrue) {
+ rc = XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id,
+ RT_WINDOW, pWin, RT_NONE, NULL, DixGrabAccess);
+ if (rc != Success) {
+ error = rc;
+ client->errorValue = pWin->drawable.id;
+ goto PatchUp;
+ }
+ }
+ pWin->overrideRedirect = val;
+ break;
+ case CWColormap:
+ cmap = (Colormap) *pVlist;
+ pVlist++;
+ if (cmap == CopyFromParent)
+ {
+ if (pWin->parent &&
+ (!pWin->optional ||
+ pWin->optional->visual == wVisual (pWin->parent)))
+ {
+ cmap = wColormap (pWin->parent);
+ }
+ else
+ cmap = None;
+ }
+ if (cmap == None)
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ rc = dixLookupResourceByType((pointer *)&pCmap, cmap, RT_COLORMAP,
+ client, DixUseAccess);
+ if (rc != Success)
+ {
+ error = rc;
+ client->errorValue = cmap;
+ goto PatchUp;
+ }
+ if (pCmap->pVisual->vid != wVisual (pWin) ||
+ pCmap->pScreen != pScreen)
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (cmap != wColormap (pWin))
+ {
+ if (!pWin->optional)
+ {
+ if (!MakeWindowOptional (pWin))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ }
+ else if (pWin->parent && cmap == wColormap (pWin->parent))
+ checkOptional = TRUE;
+
+ /*
+ * propagate the original colormap to any children
+ * inheriting it
+ */
+
+ for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib)
+ {
+ if (!pChild->optional && !MakeWindowOptional (pChild))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ }
+
+ pWin->optional->colormap = cmap;
+
+ /*
+ * check on any children now matching the new colormap
+ */
+
+ for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib)
+ {
+ if (pChild->optional->colormap == cmap)
+ CheckWindowOptionalNeed (pChild);
+ }
+
+ xE.u.u.type = ColormapNotify;
+ xE.u.colormap.window = pWin->drawable.id;
+ xE.u.colormap.colormap = cmap;
+ xE.u.colormap.new = xTrue;
+ xE.u.colormap.state = IsMapInstalled(cmap, pWin);
+ DeliverEvents(pWin, &xE, 1, NullWindow);
+ }
+ break;
+ case CWCursor:
+ cursorID = (Cursor ) *pVlist;
+ pVlist++;
+ /*
+ * install the new
+ */
+ if ( cursorID == None)
+ {
+ if (pWin == pWin->drawable.pScreen->root)
+ pCursor = rootCursor;
+ else
+ pCursor = (CursorPtr) None;
+ }
+ else
+ {
+ rc = dixLookupResourceByType((pointer *)&pCursor, cursorID,
+ RT_CURSOR, client, DixUseAccess);
+ if (rc != Success)
+ {
+ error = rc;
+ client->errorValue = cursorID;
+ goto PatchUp;
+ }
+ }
+
+ if (pCursor != wCursor (pWin))
+ {
+ /*
+ * patch up child windows so they don't lose cursors.
+ */
+
+ for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib)
+ {
+ if (!pChild->optional && !pChild->cursorIsNone &&
+ !MakeWindowOptional (pChild))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ }
+
+ pOldCursor = 0;
+ if (pCursor == (CursorPtr) None)
+ {
+ pWin->cursorIsNone = TRUE;
+ if (pWin->optional)
+ {
+ pOldCursor = pWin->optional->cursor;
+ pWin->optional->cursor = (CursorPtr) None;
+ checkOptional = TRUE;
+ }
+ } else {
+ if (!pWin->optional)
+ {
+ if (!MakeWindowOptional (pWin))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ }
+ else if (pWin->parent && pCursor == wCursor (pWin->parent))
+ checkOptional = TRUE;
+ pOldCursor = pWin->optional->cursor;
+ pWin->optional->cursor = pCursor;
+ pCursor->refcnt++;
+ pWin->cursorIsNone = FALSE;
+ /*
+ * check on any children now matching the new cursor
+ */
+
+ for (pChild=pWin->firstChild; pChild; pChild=pChild->nextSib)
+ {
+ if (pChild->optional &&
+ (pChild->optional->cursor == pCursor))
+ CheckWindowOptionalNeed (pChild);
+ }
+ }
+
+ if (pWin->realized)
+ WindowHasNewCursor( pWin);
+
+ /* Can't free cursor until here - old cursor
+ * is needed in WindowHasNewCursor
+ */
+ if (pOldCursor)
+ FreeCursor (pOldCursor, (Cursor)0);
+ }
+ break;
+ default:
+ error = BadValue;
+ client->errorValue = vmask;
+ goto PatchUp;
+ }
+ vmaskCopy |= index2;
+ }
+PatchUp:
+ if (checkOptional)
+ CheckWindowOptionalNeed (pWin);
+
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->ChangeWindowAttributes)(pWin, vmaskCopy);
+
+ /*
+ If the border contents have changed, redraw the border.
+ Note that this has to be done AFTER pScreen->ChangeWindowAttributes
+ for the tile to be rotated, and the correct function selected.
+ */
+ if (((vmaskCopy & (CWBorderPixel | CWBorderPixmap)) || borderRelative)
+ && pWin->viewable && HasBorder (pWin))
+ {
+ RegionRec exposed;
+
+ RegionNull(&exposed);
+ RegionSubtract(&exposed, &pWin->borderClip, &pWin->winSize);
+ miPaintWindow(pWin, &exposed, PW_BORDER);
+ RegionUninit(&exposed);
+ }
+ return error;
+}
+
+
+/*****
+ * GetWindowAttributes
+ * Notice that this is different than ChangeWindowAttributes
+ *****/
+
+void
+GetWindowAttributes(WindowPtr pWin, ClientPtr client, xGetWindowAttributesReply *wa)
+{
+ wa->type = X_Reply;
+ wa->bitGravity = pWin->bitGravity;
+ wa->winGravity = pWin->winGravity;
+ if (pWin->forcedBS && pWin->backingStore != Always)
+ wa->backingStore = NotUseful;
+ else
+ wa->backingStore = pWin->backingStore;
+ wa->length = bytes_to_int32(sizeof(xGetWindowAttributesReply) -
+ sizeof(xGenericReply));
+ wa->sequenceNumber = client->sequence;
+ wa->backingBitPlanes = wBackingBitPlanes (pWin);
+ wa->backingPixel = wBackingPixel (pWin);
+ wa->saveUnder = (BOOL)pWin->saveUnder;
+ wa->override = pWin->overrideRedirect;
+ if (!pWin->mapped)
+ wa->mapState = IsUnmapped;
+ else if (pWin->realized)
+ wa->mapState = IsViewable;
+ else
+ wa->mapState = IsUnviewable;
+
+ wa->colormap = wColormap (pWin);
+ wa->mapInstalled = (wa->colormap == None) ? xFalse
+ : IsMapInstalled(wa->colormap, pWin);
+
+ wa->yourEventMask = EventMaskForClient(pWin, client);
+ wa->allEventMasks = pWin->eventMask | wOtherEventMasks (pWin);
+ wa->doNotPropagateMask = wDontPropagateMask (pWin);
+ wa->class = pWin->drawable.class;
+ wa->visualID = wVisual (pWin);
+}
+
+
+WindowPtr
+MoveWindowInStack(WindowPtr pWin, WindowPtr pNextSib)
+{
+ WindowPtr pParent = pWin->parent;
+ WindowPtr pFirstChange = pWin; /* highest window where list changes */
+
+ if (pWin->nextSib != pNextSib)
+ {
+ WindowPtr pOldNextSib = pWin->nextSib;
+
+ if (!pNextSib) /* move to bottom */
+ {
+ if (pParent->firstChild == pWin)
+ pParent->firstChild = pWin->nextSib;
+ /* if (pWin->nextSib) */ /* is always True: pNextSib == NULL
+ * and pWin->nextSib != pNextSib
+ * therefore pWin->nextSib != NULL */
+ pFirstChange = pWin->nextSib;
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+ pParent->lastChild->nextSib = pWin;
+ pWin->prevSib = pParent->lastChild;
+ pWin->nextSib = NullWindow;
+ pParent->lastChild = pWin;
+ }
+ else if (pParent->firstChild == pNextSib) /* move to top */
+ {
+ pFirstChange = pWin;
+ if (pParent->lastChild == pWin)
+ pParent->lastChild = pWin->prevSib;
+ if (pWin->nextSib)
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+ pWin->nextSib = pParent->firstChild;
+ pWin->prevSib = (WindowPtr ) NULL;
+ pNextSib->prevSib = pWin;
+ pParent->firstChild = pWin;
+ }
+ else /* move in middle of list */
+ {
+ WindowPtr pOldNext = pWin->nextSib;
+
+ pFirstChange = NullWindow;
+ if (pParent->firstChild == pWin)
+ pFirstChange = pParent->firstChild = pWin->nextSib;
+ if (pParent->lastChild == pWin) {
+ pFirstChange = pWin;
+ pParent->lastChild = pWin->prevSib;
+ }
+ if (pWin->nextSib)
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+ pWin->nextSib = pNextSib;
+ pWin->prevSib = pNextSib->prevSib;
+ if (pNextSib->prevSib)
+ pNextSib->prevSib->nextSib = pWin;
+ pNextSib->prevSib = pWin;
+ if (!pFirstChange) { /* do we know it yet? */
+ pFirstChange = pParent->firstChild; /* no, search from top */
+ while ((pFirstChange != pWin) && (pFirstChange != pOldNext))
+ pFirstChange = pFirstChange->nextSib;
+ }
+ }
+ if(pWin->drawable.pScreen->RestackWindow)
+ (*pWin->drawable.pScreen->RestackWindow)(pWin, pOldNextSib);
+ }
+
+#ifdef ROOTLESS
+ /*
+ * In rootless mode we can't optimize away window restacks.
+ * There may be non-X windows around, so even if the window
+ * is in the correct position from X's point of view,
+ * the underlying window system may want to reorder it.
+ */
+ else if (pWin->drawable.pScreen->RestackWindow)
+ (*pWin->drawable.pScreen->RestackWindow)(pWin, pWin->nextSib);
+#endif
+
+ return pFirstChange;
+}
+
+void
+SetWinSize (WindowPtr pWin)
+{
+#ifdef COMPOSITE
+ if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ BoxRec box;
+
+ /*
+ * Redirected clients get clip list equal to their
+ * own geometry, not clipped to their parent
+ */
+ box.x1 = pWin->drawable.x;
+ box.y1 = pWin->drawable.y;
+ box.x2 = pWin->drawable.x + pWin->drawable.width;
+ box.y2 = pWin->drawable.y + pWin->drawable.height;
+ RegionReset(&pWin->winSize, &box);
+ }
+ else
+#endif
+ ClippedRegionFromBox(pWin->parent, &pWin->winSize,
+ pWin->drawable.x, pWin->drawable.y,
+ (int)pWin->drawable.width,
+ (int)pWin->drawable.height);
+ if (wBoundingShape (pWin) || wClipShape (pWin)) {
+ RegionTranslate(&pWin->winSize, - pWin->drawable.x,
+ - pWin->drawable.y);
+ if (wBoundingShape (pWin))
+ RegionIntersect(&pWin->winSize, &pWin->winSize,
+ wBoundingShape (pWin));
+ if (wClipShape (pWin))
+ RegionIntersect(&pWin->winSize, &pWin->winSize,
+ wClipShape (pWin));
+ RegionTranslate(&pWin->winSize, pWin->drawable.x,
+ pWin->drawable.y);
+ }
+}
+
+void
+SetBorderSize (WindowPtr pWin)
+{
+ int bw;
+
+ if (HasBorder (pWin)) {
+ bw = wBorderWidth (pWin);
+#ifdef COMPOSITE
+ if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ BoxRec box;
+
+ /*
+ * Redirected clients get clip list equal to their
+ * own geometry, not clipped to their parent
+ */
+ box.x1 = pWin->drawable.x - bw;
+ box.y1 = pWin->drawable.y - bw;
+ box.x2 = pWin->drawable.x + pWin->drawable.width + bw;
+ box.y2 = pWin->drawable.y + pWin->drawable.height + bw;
+ RegionReset(&pWin->borderSize, &box);
+ }
+ else
+#endif
+ ClippedRegionFromBox(pWin->parent, &pWin->borderSize,
+ pWin->drawable.x - bw, pWin->drawable.y - bw,
+ (int)(pWin->drawable.width + (bw<<1)),
+ (int)(pWin->drawable.height + (bw<<1)));
+ if (wBoundingShape (pWin)) {
+ RegionTranslate(&pWin->borderSize, - pWin->drawable.x,
+ - pWin->drawable.y);
+ RegionIntersect(&pWin->borderSize, &pWin->borderSize,
+ wBoundingShape (pWin));
+ RegionTranslate(&pWin->borderSize, pWin->drawable.x,
+ pWin->drawable.y);
+ RegionUnion(&pWin->borderSize, &pWin->borderSize,
+ &pWin->winSize);
+ }
+ } else {
+ RegionCopy(&pWin->borderSize, &pWin->winSize);
+ }
+}
+
+/**
+ *
+ * \param x,y new window position
+ * \param oldx,oldy old window position
+ * \param destx,desty position relative to gravity
+ */
+
+void
+GravityTranslate (int x, int y, int oldx, int oldy,
+ int dw, int dh, unsigned gravity,
+ int *destx, int *desty)
+{
+ switch (gravity) {
+ case NorthGravity:
+ *destx = x + dw / 2;
+ *desty = y;
+ break;
+ case NorthEastGravity:
+ *destx = x + dw;
+ *desty = y;
+ break;
+ case WestGravity:
+ *destx = x;
+ *desty = y + dh / 2;
+ break;
+ case CenterGravity:
+ *destx = x + dw / 2;
+ *desty = y + dh / 2;
+ break;
+ case EastGravity:
+ *destx = x + dw;
+ *desty = y + dh / 2;
+ break;
+ case SouthWestGravity:
+ *destx = x;
+ *desty = y + dh;
+ break;
+ case SouthGravity:
+ *destx = x + dw / 2;
+ *desty = y + dh;
+ break;
+ case SouthEastGravity:
+ *destx = x + dw;
+ *desty = y + dh;
+ break;
+ case StaticGravity:
+ *destx = oldx;
+ *desty = oldy;
+ break;
+ default:
+ *destx = x;
+ *desty = y;
+ break;
+ }
+}
+
+/* XXX need to retile border on each window with ParentRelative origin */
+void
+ResizeChildrenWinSize(WindowPtr pWin, int dx, int dy, int dw, int dh)
+{
+ ScreenPtr pScreen;
+ WindowPtr pSib, pChild;
+ Bool resized = (dw || dh);
+
+ pScreen = pWin->drawable.pScreen;
+
+ for (pSib = pWin->firstChild; pSib; pSib = pSib->nextSib)
+ {
+ if (resized && (pSib->winGravity > NorthWestGravity))
+ {
+ int cwsx, cwsy;
+
+ cwsx = pSib->origin.x;
+ cwsy = pSib->origin.y;
+ GravityTranslate (cwsx, cwsy, cwsx - dx, cwsy - dy, dw, dh,
+ pSib->winGravity, &cwsx, &cwsy);
+ if (cwsx != pSib->origin.x || cwsy != pSib->origin.y)
+ {
+ xEvent event;
+
+ event.u.u.type = GravityNotify;
+ event.u.gravity.window = pSib->drawable.id;
+ event.u.gravity.x = cwsx - wBorderWidth (pSib);
+ event.u.gravity.y = cwsy - wBorderWidth (pSib);
+ DeliverEvents (pSib, &event, 1, NullWindow);
+ pSib->origin.x = cwsx;
+ pSib->origin.y = cwsy;
+ }
+ }
+ pSib->drawable.x = pWin->drawable.x + pSib->origin.x;
+ pSib->drawable.y = pWin->drawable.y + pSib->origin.y;
+ SetWinSize (pSib);
+ SetBorderSize (pSib);
+ (*pScreen->PositionWindow)(pSib, pSib->drawable.x, pSib->drawable.y);
+
+ if ( (pChild = pSib->firstChild) )
+ {
+ while (1)
+ {
+ pChild->drawable.x = pChild->parent->drawable.x +
+ pChild->origin.x;
+ pChild->drawable.y = pChild->parent->drawable.y +
+ pChild->origin.y;
+ SetWinSize (pChild);
+ SetBorderSize (pChild);
+ (*pScreen->PositionWindow)(pChild,
+ pChild->drawable.x, pChild->drawable.y);
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ while (!pChild->nextSib && (pChild != pSib))
+ pChild = pChild->parent;
+ if (pChild == pSib)
+ break;
+ pChild = pChild->nextSib;
+ }
+ }
+ }
+}
+
+#define GET_INT16(m, f) \
+ if (m & mask) \
+ { \
+ f = (INT16) *pVlist;\
+ pVlist++; \
+ }
+#define GET_CARD16(m, f) \
+ if (m & mask) \
+ { \
+ f = (CARD16) *pVlist;\
+ pVlist++;\
+ }
+
+#define GET_CARD8(m, f) \
+ if (m & mask) \
+ { \
+ f = (CARD8) *pVlist;\
+ pVlist++;\
+ }
+
+#define ChangeMask ((Mask)(CWX | CWY | CWWidth | CWHeight))
+
+#define IllegalInputOnlyConfigureMask (CWBorderWidth)
+
+/*
+ * IsSiblingAboveMe
+ * returns Above if pSib above pMe in stack or Below otherwise
+ */
+
+static int
+IsSiblingAboveMe(
+ WindowPtr pMe,
+ WindowPtr pSib)
+{
+ WindowPtr pWin;
+
+ pWin = pMe->parent->firstChild;
+ while (pWin)
+ {
+ if (pWin == pSib)
+ return Above;
+ else if (pWin == pMe)
+ return Below;
+ pWin = pWin->nextSib;
+ }
+ return Below;
+}
+
+static BoxPtr
+WindowExtents(
+ WindowPtr pWin,
+ BoxPtr pBox)
+{
+ pBox->x1 = pWin->drawable.x - wBorderWidth (pWin);
+ pBox->y1 = pWin->drawable.y - wBorderWidth (pWin);
+ pBox->x2 = pWin->drawable.x + (int)pWin->drawable.width
+ + wBorderWidth (pWin);
+ pBox->y2 = pWin->drawable.y + (int)pWin->drawable.height
+ + wBorderWidth (pWin);
+ return pBox;
+}
+
+#define IS_SHAPED(pWin) (wBoundingShape (pWin) != (RegionPtr) NULL)
+
+static RegionPtr
+MakeBoundingRegion (
+ WindowPtr pWin,
+ BoxPtr pBox)
+{
+ RegionPtr pRgn = RegionCreate(pBox, 1);
+ if (wBoundingShape (pWin)) {
+ RegionTranslate(pRgn, -pWin->origin.x, -pWin->origin.y);
+ RegionIntersect(pRgn, pRgn, wBoundingShape (pWin));
+ RegionTranslate(pRgn, pWin->origin.x, pWin->origin.y);
+ }
+ return pRgn;
+}
+
+static Bool
+ShapeOverlap (
+ WindowPtr pWin,
+ BoxPtr pWinBox,
+ WindowPtr pSib,
+ BoxPtr pSibBox)
+{
+ RegionPtr pWinRgn, pSibRgn;
+ Bool ret;
+
+ if (!IS_SHAPED(pWin) && !IS_SHAPED(pSib))
+ return TRUE;
+ pWinRgn = MakeBoundingRegion (pWin, pWinBox);
+ pSibRgn = MakeBoundingRegion (pSib, pSibBox);
+ RegionIntersect(pWinRgn, pWinRgn, pSibRgn);
+ ret = RegionNotEmpty(pWinRgn);
+ RegionDestroy(pWinRgn);
+ RegionDestroy(pSibRgn);
+ return ret;
+}
+
+static Bool
+AnyWindowOverlapsMe(
+ WindowPtr pWin,
+ WindowPtr pHead,
+ BoxPtr box)
+{
+ WindowPtr pSib;
+ BoxRec sboxrec;
+ BoxPtr sbox;
+
+ for (pSib = pWin->prevSib; pSib != pHead; pSib = pSib->prevSib)
+ {
+ if (pSib->mapped)
+ {
+ sbox = WindowExtents(pSib, &sboxrec);
+ if (BOXES_OVERLAP(sbox, box)
+ && ShapeOverlap (pWin, box, pSib, sbox)
+ )
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+static Bool
+IOverlapAnyWindow(
+ WindowPtr pWin,
+ BoxPtr box)
+{
+ WindowPtr pSib;
+ BoxRec sboxrec;
+ BoxPtr sbox;
+
+ for (pSib = pWin->nextSib; pSib; pSib = pSib->nextSib)
+ {
+ if (pSib->mapped)
+ {
+ sbox = WindowExtents(pSib, &sboxrec);
+ if (BOXES_OVERLAP(sbox, box)
+ && ShapeOverlap (pWin, box, pSib, sbox)
+ )
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+/*
+ * WhereDoIGoInTheStack()
+ * Given pWin and pSib and the relationshipe smode, return
+ * the window that pWin should go ABOVE.
+ * If a pSib is specified:
+ * Above: pWin is placed just above pSib
+ * Below: pWin is placed just below pSib
+ * TopIf: if pSib occludes pWin, then pWin is placed
+ * at the top of the stack
+ * BottomIf: if pWin occludes pSib, then pWin is
+ * placed at the bottom of the stack
+ * Opposite: if pSib occludes pWin, then pWin is placed at the
+ * top of the stack, else if pWin occludes pSib, then
+ * pWin is placed at the bottom of the stack
+ *
+ * If pSib is NULL:
+ * Above: pWin is placed at the top of the stack
+ * Below: pWin is placed at the bottom of the stack
+ * TopIf: if any sibling occludes pWin, then pWin is placed at
+ * the top of the stack
+ * BottomIf: if pWin occludes any sibline, then pWin is placed at
+ * the bottom of the stack
+ * Opposite: if any sibling occludes pWin, then pWin is placed at
+ * the top of the stack, else if pWin occludes any
+ * sibling, then pWin is placed at the bottom of the stack
+ *
+ */
+
+static WindowPtr
+WhereDoIGoInTheStack(
+ WindowPtr pWin,
+ WindowPtr pSib,
+ short x,
+ short y,
+ unsigned short w,
+ unsigned short h,
+ int smode)
+{
+ BoxRec box;
+ WindowPtr pHead, pFirst;
+
+ if ((pWin == pWin->parent->firstChild) &&
+ (pWin == pWin->parent->lastChild))
+ return((WindowPtr ) NULL);
+ pHead = RealChildHead(pWin->parent);
+ pFirst = pHead ? pHead->nextSib : pWin->parent->firstChild;
+ box.x1 = x;
+ box.y1 = y;
+ box.x2 = x + (int)w;
+ box.y2 = y + (int)h;
+ switch (smode)
+ {
+ case Above:
+ if (pSib)
+ return pSib;
+ else if (pWin == pFirst)
+ return pWin->nextSib;
+ else
+ return pFirst;
+ case Below:
+ if (pSib)
+ if (pSib->nextSib != pWin)
+ return pSib->nextSib;
+ else
+ return pWin->nextSib;
+ else
+ return NullWindow;
+ case TopIf:
+ if ((!pWin->mapped || (pSib && !pSib->mapped)))
+ return pWin->nextSib;
+ else if (pSib)
+ {
+ if ((IsSiblingAboveMe(pWin, pSib) == Above) &&
+ (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT))
+ return pFirst;
+ else
+ return pWin->nextSib;
+ }
+ else if (AnyWindowOverlapsMe(pWin, pHead, &box))
+ return pFirst;
+ else
+ return pWin->nextSib;
+ case BottomIf:
+ if ((!pWin->mapped || (pSib && !pSib->mapped)))
+ return pWin->nextSib;
+ else if (pSib)
+ {
+ if ((IsSiblingAboveMe(pWin, pSib) == Below) &&
+ (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT))
+ return NullWindow;
+ else
+ return pWin->nextSib;
+ }
+ else if (IOverlapAnyWindow(pWin, &box))
+ return NullWindow;
+ else
+ return pWin->nextSib;
+ case Opposite:
+ if ((!pWin->mapped || (pSib && !pSib->mapped)))
+ return pWin->nextSib;
+ else if (pSib)
+ {
+ if (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT)
+ {
+ if (IsSiblingAboveMe(pWin, pSib) == Above)
+ return pFirst;
+ else
+ return NullWindow;
+ }
+ else
+ return pWin->nextSib;
+ }
+ else if (AnyWindowOverlapsMe(pWin, pHead, &box))
+ {
+ /* If I'm occluded, I can't possibly be the first child
+ * if (pWin == pWin->parent->firstChild)
+ * return pWin->nextSib;
+ */
+ return pFirst;
+ }
+ else if (IOverlapAnyWindow(pWin, &box))
+ return NullWindow;
+ else
+ return pWin->nextSib;
+ default:
+ {
+ /* should never happen; make something up. */
+ return pWin->nextSib;
+ }
+ }
+}
+
+static void
+ReflectStackChange(
+ WindowPtr pWin,
+ WindowPtr pSib,
+ VTKind kind)
+{
+/* Note that pSib might be NULL */
+
+ Bool WasViewable = (Bool)pWin->viewable;
+ Bool anyMarked;
+ WindowPtr pFirstChange;
+ WindowPtr pLayerWin;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ /* if this is a root window, can't be restacked */
+ if (!pWin->parent)
+ return;
+
+ pFirstChange = MoveWindowInStack(pWin, pSib);
+
+ if (WasViewable)
+ {
+ anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pFirstChange,
+ &pLayerWin);
+ if (pLayerWin != pWin) pFirstChange = pLayerWin;
+ if (anyMarked)
+ {
+ (*pScreen->ValidateTree)(pLayerWin->parent, pFirstChange, kind);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (anyMarked && pWin->drawable.pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange, kind);
+ }
+ if (pWin->realized)
+ WindowsRestructured ();
+}
+
+/*****
+ * ConfigureWindow
+ *****/
+
+int
+ConfigureWindow(WindowPtr pWin, Mask mask, XID *vlist, ClientPtr client)
+{
+#define RESTACK_WIN 0
+#define MOVE_WIN 1
+#define RESIZE_WIN 2
+#define REBORDER_WIN 3
+ WindowPtr pSib = NullWindow;
+ WindowPtr pParent = pWin->parent;
+ Window sibwid = 0;
+ Mask index2, tmask;
+ XID *pVlist;
+ short x, y, beforeX, beforeY;
+ unsigned short w = pWin->drawable.width,
+ h = pWin->drawable.height,
+ bw = pWin->borderWidth;
+ int rc, action, smode = Above;
+ xEvent event;
+
+ if ((pWin->drawable.class == InputOnly) && (mask & IllegalInputOnlyConfigureMask))
+ return BadMatch;
+
+ if ((mask & CWSibling) && !(mask & CWStackMode))
+ return BadMatch;
+
+ pVlist = vlist;
+
+ if (pParent)
+ {
+ x = pWin->drawable.x - pParent->drawable.x - (int)bw;
+ y = pWin->drawable.y - pParent->drawable.y - (int)bw;
+ }
+ else
+ {
+ x = pWin->drawable.x;
+ y = pWin->drawable.y;
+ }
+ beforeX = x;
+ beforeY = y;
+ action = RESTACK_WIN;
+ if ((mask & (CWX | CWY)) && (!(mask & (CWHeight | CWWidth))))
+ {
+ GET_INT16(CWX, x);
+ GET_INT16(CWY, y);
+ action = MOVE_WIN;
+ }
+ /* or should be resized */
+ else if (mask & (CWX | CWY | CWWidth | CWHeight))
+ {
+ GET_INT16(CWX, x);
+ GET_INT16(CWY, y);
+ GET_CARD16(CWWidth, w);
+ GET_CARD16 (CWHeight, h);
+ if (!w || !h)
+ {
+ client->errorValue = 0;
+ return BadValue;
+ }
+ action = RESIZE_WIN;
+ }
+ tmask = mask & ~ChangeMask;
+ while (tmask)
+ {
+ index2 = (Mask)lowbit (tmask);
+ tmask &= ~index2;
+ switch (index2)
+ {
+ case CWBorderWidth:
+ GET_CARD16(CWBorderWidth, bw);
+ break;
+ case CWSibling:
+ sibwid = (Window ) *pVlist;
+ pVlist++;
+ rc = dixLookupWindow(&pSib, sibwid, client, DixGetAttrAccess);
+ if (rc != Success)
+ {
+ client->errorValue = sibwid;
+ return rc;
+ }
+ if (pSib->parent != pParent)
+ return BadMatch;
+ if (pSib == pWin)
+ return BadMatch;
+ break;
+ case CWStackMode:
+ GET_CARD8(CWStackMode, smode);
+ if ((smode != TopIf) && (smode != BottomIf) &&
+ (smode != Opposite) && (smode != Above) && (smode != Below))
+ {
+ client->errorValue = smode;
+ return BadValue;
+ }
+ break;
+ default:
+ client->errorValue = mask;
+ return BadValue;
+ }
+ }
+ /* root really can't be reconfigured, so just return */
+ if (!pParent)
+ return Success;
+
+ /* Figure out if the window should be moved. Doesnt
+ make the changes to the window if event sent */
+
+ if (mask & CWStackMode)
+ pSib = WhereDoIGoInTheStack(pWin, pSib, pParent->drawable.x + x,
+ pParent->drawable.y + y,
+ w + (bw << 1), h + (bw << 1), smode);
+ else
+ pSib = pWin->nextSib;
+
+
+ if ((!pWin->overrideRedirect) &&
+ (RedirectSend(pParent)
+ ))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = ConfigureRequest;
+ event.u.configureRequest.window = pWin->drawable.id;
+ if (mask & CWSibling)
+ event.u.configureRequest.sibling = sibwid;
+ else
+ event.u.configureRequest.sibling = None;
+ if (mask & CWStackMode)
+ event.u.u.detail = smode;
+ else
+ event.u.u.detail = Above;
+ event.u.configureRequest.x = x;
+ event.u.configureRequest.y = y;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && (!pParent || !pParent->parent)) {
+ event.u.configureRequest.x += screenInfo.screens[0]->x;
+ event.u.configureRequest.y += screenInfo.screens[0]->y;
+ }
+#endif
+ event.u.configureRequest.width = w;
+ event.u.configureRequest.height = h;
+ event.u.configureRequest.borderWidth = bw;
+ event.u.configureRequest.valueMask = mask;
+ event.u.configureRequest.parent = pParent->drawable.id;
+ if (MaybeDeliverEventsToClient(pParent, &event, 1,
+ SubstructureRedirectMask, client) == 1)
+ return Success;
+ }
+ if (action == RESIZE_WIN)
+ {
+ Bool size_change = (w != pWin->drawable.width)
+ || (h != pWin->drawable.height);
+ if (size_change && ((pWin->eventMask|wOtherEventMasks(pWin)) & ResizeRedirectMask))
+ {
+ xEvent eventT;
+ memset(&eventT, 0, sizeof(xEvent));
+ eventT.u.u.type = ResizeRequest;
+ eventT.u.resizeRequest.window = pWin->drawable.id;
+ eventT.u.resizeRequest.width = w;
+ eventT.u.resizeRequest.height = h;
+ if (MaybeDeliverEventsToClient(pWin, &eventT, 1,
+ ResizeRedirectMask, client) == 1)
+ {
+ /* if event is delivered, leave the actual size alone. */
+ w = pWin->drawable.width;
+ h = pWin->drawable.height;
+ size_change = FALSE;
+ }
+ }
+ if (!size_change)
+ {
+ if (mask & (CWX | CWY))
+ action = MOVE_WIN;
+ else if (mask & (CWStackMode | CWBorderWidth))
+ action = RESTACK_WIN;
+ else /* really nothing to do */
+ return(Success) ;
+ }
+ }
+
+ if (action == RESIZE_WIN)
+ /* we've already checked whether there's really a size change */
+ goto ActuallyDoSomething;
+ if ((mask & CWX) && (x != beforeX))
+ goto ActuallyDoSomething;
+ if ((mask & CWY) && (y != beforeY))
+ goto ActuallyDoSomething;
+ if ((mask & CWBorderWidth) && (bw != wBorderWidth (pWin)))
+ goto ActuallyDoSomething;
+ if (mask & CWStackMode)
+ {
+#ifndef ROOTLESS
+ /* See above for why we always reorder in rootless mode. */
+ if (pWin->nextSib != pSib)
+#endif
+ goto ActuallyDoSomething;
+ }
+ return Success;
+
+ActuallyDoSomething:
+ if (pWin->drawable.pScreen->ConfigNotify)
+ {
+ int ret;
+ ret = (*pWin->drawable.pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib);
+ if (ret) {
+ client->errorValue = 0;
+ return ret;
+ }
+ }
+
+ if (SubStrSend(pWin, pParent))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = ConfigureNotify;
+ event.u.configureNotify.window = pWin->drawable.id;
+ if (pSib)
+ event.u.configureNotify.aboveSibling = pSib->drawable.id;
+ else
+ event.u.configureNotify.aboveSibling = None;
+ event.u.configureNotify.x = x;
+ event.u.configureNotify.y = y;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && (!pParent || !pParent->parent)) {
+ event.u.configureNotify.x += screenInfo.screens[0]->x;
+ event.u.configureNotify.y += screenInfo.screens[0]->y;
+ }
+#endif
+ event.u.configureNotify.width = w;
+ event.u.configureNotify.height = h;
+ event.u.configureNotify.borderWidth = bw;
+ event.u.configureNotify.override = pWin->overrideRedirect;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+ if (mask & CWBorderWidth)
+ {
+ if (action == RESTACK_WIN)
+ {
+ action = MOVE_WIN;
+ pWin->borderWidth = bw;
+ }
+ else if ((action == MOVE_WIN) &&
+ (beforeX + wBorderWidth (pWin) == x + (int)bw) &&
+ (beforeY + wBorderWidth (pWin) == y + (int)bw))
+ {
+ action = REBORDER_WIN;
+ (*pWin->drawable.pScreen->ChangeBorderWidth)(pWin, bw);
+ }
+ else
+ pWin->borderWidth = bw;
+ }
+ if (action == MOVE_WIN)
+ (*pWin->drawable.pScreen->MoveWindow)(pWin, x, y, pSib,
+ (mask & CWBorderWidth) ? VTOther : VTMove);
+ else if (action == RESIZE_WIN)
+ (*pWin->drawable.pScreen->ResizeWindow)(pWin, x, y, w, h, pSib);
+ else if (mask & CWStackMode)
+ ReflectStackChange(pWin, pSib, VTOther);
+
+ if (action != RESTACK_WIN)
+ CheckCursorConfinement(pWin);
+ return Success;
+#undef RESTACK_WIN
+#undef MOVE_WIN
+#undef RESIZE_WIN
+#undef REBORDER_WIN
+}
+
+
+/******
+ *
+ * CirculateWindow
+ * For RaiseLowest, raises the lowest mapped child (if any) that is
+ * obscured by another child to the top of the stack. For LowerHighest,
+ * lowers the highest mapped child (if any) that is obscuring another
+ * child to the bottom of the stack. Exposure processing is performed
+ *
+ ******/
+
+int
+CirculateWindow(WindowPtr pParent, int direction, ClientPtr client)
+{
+ WindowPtr pWin, pHead, pFirst;
+ xEvent event;
+ BoxRec box;
+
+ pHead = RealChildHead(pParent);
+ pFirst = pHead ? pHead->nextSib : pParent->firstChild;
+ if (direction == RaiseLowest)
+ {
+ for (pWin = pParent->lastChild;
+ (pWin != pHead) &&
+ !(pWin->mapped &&
+ AnyWindowOverlapsMe(pWin, pHead, WindowExtents(pWin, &box)));
+ pWin = pWin->prevSib) ;
+ if (pWin == pHead)
+ return Success;
+ }
+ else
+ {
+ for (pWin = pFirst;
+ pWin &&
+ !(pWin->mapped &&
+ IOverlapAnyWindow(pWin, WindowExtents(pWin, &box)));
+ pWin = pWin->nextSib) ;
+ if (!pWin)
+ return Success;
+ }
+
+ event.u.circulate.window = pWin->drawable.id;
+ event.u.circulate.parent = pParent->drawable.id;
+ event.u.circulate.event = pParent->drawable.id;
+ if (direction == RaiseLowest)
+ event.u.circulate.place = PlaceOnTop;
+ else
+ event.u.circulate.place = PlaceOnBottom;
+
+ if (RedirectSend(pParent))
+ {
+ event.u.u.type = CirculateRequest;
+ if (MaybeDeliverEventsToClient(pParent, &event, 1,
+ SubstructureRedirectMask, client) == 1)
+ return Success;
+ }
+
+ event.u.u.type = CirculateNotify;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ ReflectStackChange(pWin,
+ (direction == RaiseLowest) ? pFirst : NullWindow,
+ VTStack);
+
+ return Success;
+}
+
+static int
+CompareWIDs(
+ WindowPtr pWin,
+ pointer value) /* must conform to VisitWindowProcPtr */
+{
+ Window *wid = (Window *)value;
+
+ if (pWin->drawable.id == *wid)
+ return WT_STOPWALKING;
+ else
+ return WT_WALKCHILDREN;
+}
+
+/*****
+ * ReparentWindow
+ *****/
+
+int
+ReparentWindow(WindowPtr pWin, WindowPtr pParent,
+ int x, int y, ClientPtr client)
+{
+ WindowPtr pPrev, pPriorParent;
+ Bool WasMapped = (Bool)(pWin->mapped);
+ xEvent event;
+ int bw = wBorderWidth (pWin);
+ ScreenPtr pScreen;
+
+ pScreen = pWin->drawable.pScreen;
+ if (TraverseTree(pWin, CompareWIDs, (pointer)&pParent->drawable.id) == WT_STOPWALKING)
+ return BadMatch;
+ if (!MakeWindowOptional(pWin))
+ return BadAlloc;
+
+ if (WasMapped)
+ UnmapWindow(pWin, FALSE);
+
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = ReparentNotify;
+ event.u.reparent.window = pWin->drawable.id;
+ event.u.reparent.parent = pParent->drawable.id;
+ event.u.reparent.x = x;
+ event.u.reparent.y = y;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && !pParent->parent) {
+ event.u.reparent.x += screenInfo.screens[0]->x;
+ event.u.reparent.y += screenInfo.screens[0]->y;
+ }
+#endif
+ event.u.reparent.override = pWin->overrideRedirect;
+ DeliverEvents(pWin, &event, 1, pParent);
+
+ /* take out of sibling chain */
+
+ pPriorParent = pPrev = pWin->parent;
+ if (pPrev->firstChild == pWin)
+ pPrev->firstChild = pWin->nextSib;
+ if (pPrev->lastChild == pWin)
+ pPrev->lastChild = pWin->prevSib;
+
+ if (pWin->nextSib)
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+
+ /* insert at begining of pParent */
+ pWin->parent = pParent;
+ pPrev = RealChildHead(pParent);
+ if (pPrev)
+ {
+ pWin->nextSib = pPrev->nextSib;
+ if (pPrev->nextSib)
+ pPrev->nextSib->prevSib = pWin;
+ else
+ pParent->lastChild = pWin;
+ pPrev->nextSib = pWin;
+ pWin->prevSib = pPrev;
+ }
+ else
+ {
+ pWin->nextSib = pParent->firstChild;
+ pWin->prevSib = NullWindow;
+ if (pParent->firstChild)
+ pParent->firstChild->prevSib = pWin;
+ else
+ pParent->lastChild = pWin;
+ pParent->firstChild = pWin;
+ }
+
+ pWin->origin.x = x + bw;
+ pWin->origin.y = y + bw;
+ pWin->drawable.x = x + bw + pParent->drawable.x;
+ pWin->drawable.y = y + bw + pParent->drawable.y;
+
+ /* clip to parent */
+ SetWinSize (pWin);
+ SetBorderSize (pWin);
+
+ if (pScreen->ReparentWindow)
+ (*pScreen->ReparentWindow)(pWin, pPriorParent);
+ (*pScreen->PositionWindow)(pWin, pWin->drawable.x, pWin->drawable.y);
+ ResizeChildrenWinSize(pWin, 0, 0, 0, 0);
+
+ CheckWindowOptionalNeed(pWin);
+
+ if (WasMapped)
+ MapWindow(pWin, client);
+ RecalculateDeliverableEvents(pWin);
+ return Success;
+}
+
+static void
+RealizeTree(WindowPtr pWin)
+{
+ WindowPtr pChild;
+ RealizeWindowProcPtr Realize;
+
+ Realize = pWin->drawable.pScreen->RealizeWindow;
+ pChild = pWin;
+ while (1)
+ {
+ if (pChild->mapped)
+ {
+ pChild->realized = TRUE;
+ pChild->viewable = (pChild->drawable.class == InputOutput);
+ (* Realize)(pChild);
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ return;
+ pChild = pChild->nextSib;
+ }
+}
+
+static WindowPtr windowDisableMapUnmapEvents;
+
+void
+DisableMapUnmapEvents(WindowPtr pWin)
+{
+ assert (windowDisableMapUnmapEvents == NULL);
+
+ windowDisableMapUnmapEvents = pWin;
+}
+
+void
+EnableMapUnmapEvents(WindowPtr pWin)
+{
+ assert (windowDisableMapUnmapEvents != NULL);
+
+ windowDisableMapUnmapEvents = NULL;
+}
+
+static Bool
+MapUnmapEventsEnabled(WindowPtr pWin)
+{
+ return pWin != windowDisableMapUnmapEvents;
+}
+
+/*****
+ * MapWindow
+ * If some other client has selected SubStructureReDirect on the parent
+ * and override-redirect is xFalse, then a MapRequest event is generated,
+ * but the window remains unmapped. Otherwise, the window is mapped and a
+ * MapNotify event is generated.
+ *****/
+
+int
+MapWindow(WindowPtr pWin, ClientPtr client)
+{
+ ScreenPtr pScreen;
+
+ WindowPtr pParent;
+ WindowPtr pLayerWin;
+
+ if (pWin->mapped)
+ return Success;
+
+ /* general check for permission to map window */
+ if (XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id, RT_WINDOW,
+ pWin, RT_NONE, NULL, DixShowAccess) != Success)
+ return Success;
+
+ pScreen = pWin->drawable.pScreen;
+ if ( (pParent = pWin->parent) )
+ {
+ xEvent event;
+ Bool anyMarked;
+
+ if ((!pWin->overrideRedirect) &&
+ (RedirectSend(pParent)
+ ))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = MapRequest;
+ event.u.mapRequest.window = pWin->drawable.id;
+ event.u.mapRequest.parent = pParent->drawable.id;
+
+ if (MaybeDeliverEventsToClient(pParent, &event, 1,
+ SubstructureRedirectMask, client) == 1)
+ return Success;
+ }
+
+ pWin->mapped = TRUE;
+ if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = MapNotify;
+ event.u.mapNotify.window = pWin->drawable.id;
+ event.u.mapNotify.override = pWin->overrideRedirect;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+
+ if (!pParent->realized)
+ return Success;
+ RealizeTree(pWin);
+ if (pWin->viewable)
+ {
+ anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin,
+ &pLayerWin);
+ if (anyMarked)
+ {
+ (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTMap);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin, VTMap);
+ }
+ WindowsRestructured ();
+ }
+ else
+ {
+ RegionRec temp;
+
+ pWin->mapped = TRUE;
+ pWin->realized = TRUE; /* for roots */
+ pWin->viewable = pWin->drawable.class == InputOutput;
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->RealizeWindow)(pWin);
+ if (pScreen->ClipNotify)
+ (*pScreen->ClipNotify) (pWin, 0, 0);
+ if (pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(NullWindow, pWin, VTMap);
+ RegionNull(&temp);
+ RegionCopy(&temp, &pWin->clipList);
+ (*pScreen->WindowExposures) (pWin, &temp, NullRegion);
+ RegionUninit(&temp);
+ }
+
+ return Success;
+}
+
+
+/*****
+ * MapSubwindows
+ * Performs a MapWindow all unmapped children of the window, in top
+ * to bottom stacking order.
+ *****/
+
+void
+MapSubwindows(WindowPtr pParent, ClientPtr client)
+{
+ WindowPtr pWin;
+ WindowPtr pFirstMapped = NullWindow;
+ ScreenPtr pScreen;
+ Mask parentRedirect;
+ Mask parentNotify;
+ xEvent event;
+ Bool anyMarked;
+ WindowPtr pLayerWin;
+
+ pScreen = pParent->drawable.pScreen;
+ parentRedirect = RedirectSend(pParent);
+ parentNotify = SubSend(pParent);
+ anyMarked = FALSE;
+ for (pWin = pParent->firstChild; pWin; pWin = pWin->nextSib)
+ {
+ if (!pWin->mapped)
+ {
+ if (parentRedirect && !pWin->overrideRedirect)
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = MapRequest;
+ event.u.mapRequest.window = pWin->drawable.id;
+ event.u.mapRequest.parent = pParent->drawable.id;
+
+ if (MaybeDeliverEventsToClient(pParent, &event, 1,
+ SubstructureRedirectMask, client) == 1)
+ continue;
+ }
+
+ pWin->mapped = TRUE;
+ if (parentNotify || StrSend(pWin))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = MapNotify;
+ event.u.mapNotify.window = pWin->drawable.id;
+ event.u.mapNotify.override = pWin->overrideRedirect;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+
+ if (!pFirstMapped)
+ pFirstMapped = pWin;
+ if (pParent->realized)
+ {
+ RealizeTree(pWin);
+ if (pWin->viewable)
+ {
+ anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin,
+ (WindowPtr *)NULL);
+ }
+ }
+ }
+ }
+
+ if (pFirstMapped)
+ {
+ pLayerWin = (*pScreen->GetLayerWindow)(pParent);
+ if (pLayerWin->parent != pParent) {
+ anyMarked |= (*pScreen->MarkOverlappedWindows)(pLayerWin,
+ pLayerWin,
+ (WindowPtr *)NULL);
+ pFirstMapped = pLayerWin;
+ }
+ if (anyMarked)
+ {
+ (*pScreen->ValidateTree)(pLayerWin->parent, pFirstMapped, VTMap);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstMapped,
+ VTMap);
+ WindowsRestructured ();
+ }
+}
+
+static void
+UnrealizeTree(
+ WindowPtr pWin,
+ Bool fromConfigure)
+{
+ WindowPtr pChild;
+ UnrealizeWindowProcPtr Unrealize;
+ MarkUnrealizedWindowProcPtr MarkUnrealizedWindow;
+
+ Unrealize = pWin->drawable.pScreen->UnrealizeWindow;
+ MarkUnrealizedWindow = pWin->drawable.pScreen->MarkUnrealizedWindow;
+ pChild = pWin;
+ while (1)
+ {
+ if (pChild->realized)
+ {
+ pChild->realized = FALSE;
+ pChild->visibility = VisibilityNotViewable;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && !pChild->drawable.pScreen->myNum) {
+ PanoramiXRes *win;
+ int rc = dixLookupResourceByType((pointer *)&win,
+ pChild->drawable.id, XRT_WINDOW,
+ serverClient, DixWriteAccess);
+ if (rc == Success)
+ win->u.win.visibility = VisibilityNotViewable;
+ }
+#endif
+ (* Unrealize)(pChild);
+ if (MapUnmapEventsEnabled(pWin))
+ DeleteWindowFromAnyEvents(pChild, FALSE);
+ if (pChild->viewable)
+ {
+ pChild->viewable = FALSE;
+ (* MarkUnrealizedWindow)(pChild, pWin, fromConfigure);
+ pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+ }
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ return;
+ pChild = pChild->nextSib;
+ }
+}
+
+/*****
+ * UnmapWindow
+ * If the window is already unmapped, this request has no effect.
+ * Otherwise, the window is unmapped and an UnMapNotify event is
+ * generated. Cannot unmap a root window.
+ *****/
+
+int
+UnmapWindow(WindowPtr pWin, Bool fromConfigure)
+{
+ WindowPtr pParent;
+ xEvent event;
+ Bool wasRealized = (Bool)pWin->realized;
+ Bool wasViewable = (Bool)pWin->viewable;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ WindowPtr pLayerWin = pWin;
+
+ if ((!pWin->mapped) || (!(pParent = pWin->parent)))
+ return Success;
+ if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = UnmapNotify;
+ event.u.unmapNotify.window = pWin->drawable.id;
+ event.u.unmapNotify.fromConfigure = fromConfigure;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+ if (wasViewable && !fromConfigure)
+ {
+ pWin->valdata = UnmapValData;
+ (*pScreen->MarkOverlappedWindows)(pWin, pWin->nextSib, &pLayerWin);
+ (*pScreen->MarkWindow)(pLayerWin->parent);
+ }
+ pWin->mapped = FALSE;
+ if (wasRealized)
+ UnrealizeTree(pWin, fromConfigure);
+ if (wasViewable)
+ {
+ if (!fromConfigure)
+ {
+ (*pScreen->ValidateTree)(pLayerWin->parent, pWin, VTUnmap);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (!fromConfigure && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pWin, VTUnmap);
+ }
+ if (wasRealized && !fromConfigure)
+ WindowsRestructured ();
+ return Success;
+}
+
+/*****
+ * UnmapSubwindows
+ * Performs an UnmapWindow request with the specified mode on all mapped
+ * children of the window, in bottom to top stacking order.
+ *****/
+
+void
+UnmapSubwindows(WindowPtr pWin)
+{
+ WindowPtr pChild, pHead;
+ xEvent event;
+ Bool wasRealized = (Bool)pWin->realized;
+ Bool wasViewable = (Bool)pWin->viewable;
+ Bool anyMarked = FALSE;
+ Mask parentNotify;
+ WindowPtr pLayerWin = NULL;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ if (!pWin->firstChild)
+ return;
+ parentNotify = SubSend(pWin);
+ pHead = RealChildHead(pWin);
+
+ if (wasViewable)
+ pLayerWin = (*pScreen->GetLayerWindow)(pWin);
+
+ for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib)
+ {
+ if (pChild->mapped)
+ {
+ if (parentNotify || StrSend(pChild))
+ {
+ event.u.u.type = UnmapNotify;
+ event.u.unmapNotify.window = pChild->drawable.id;
+ event.u.unmapNotify.fromConfigure = xFalse;
+ DeliverEvents(pChild, &event, 1, NullWindow);
+ }
+ if (pChild->viewable)
+ {
+ pChild->valdata = UnmapValData;
+ anyMarked = TRUE;
+ }
+ pChild->mapped = FALSE;
+ if (pChild->realized)
+ UnrealizeTree(pChild, FALSE);
+ if (wasViewable)
+ {
+ }
+ }
+ }
+ if (wasViewable)
+ {
+ if (anyMarked)
+ {
+ if (pLayerWin->parent == pWin)
+ (*pScreen->MarkWindow)(pWin);
+ else
+ {
+ WindowPtr ptmp;
+ (*pScreen->MarkOverlappedWindows)(pWin, pLayerWin,
+ (WindowPtr *)NULL);
+ (*pScreen->MarkWindow)(pLayerWin->parent);
+
+ /* Windows between pWin and pLayerWin may not have been marked */
+ ptmp = pWin;
+
+ while (ptmp != pLayerWin->parent)
+ {
+ (*pScreen->MarkWindow)(ptmp);
+ ptmp = ptmp->parent;
+ }
+ pHead = pWin->firstChild;
+ }
+ (*pScreen->ValidateTree)(pLayerWin->parent, pHead, VTUnmap);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pHead, VTUnmap);
+ }
+ if (wasRealized)
+ WindowsRestructured ();
+}
+
+
+void
+HandleSaveSet(ClientPtr client)
+{
+ WindowPtr pParent, pWin;
+ int j;
+
+ for (j=0; j<client->numSaved; j++)
+ {
+ pWin = SaveSetWindow(client->saveSet[j]);
+#ifdef XFIXES
+ if (SaveSetToRoot(client->saveSet[j]))
+ pParent = pWin->drawable.pScreen->root;
+ else
+#endif
+ {
+ pParent = pWin->parent;
+ while (pParent && (wClient (pParent) == client))
+ pParent = pParent->parent;
+ }
+ if (pParent)
+ {
+ if (pParent != pWin->parent)
+ {
+#ifdef XFIXES
+ /* unmap first so that ReparentWindow doesn't remap */
+ if (!SaveSetShouldMap (client->saveSet[j]))
+ UnmapWindow(pWin, FALSE);
+#endif
+ ReparentWindow(pWin, pParent,
+ pWin->drawable.x - wBorderWidth (pWin) - pParent->drawable.x,
+ pWin->drawable.y - wBorderWidth (pWin) - pParent->drawable.y,
+ client);
+ if(!pWin->realized && pWin->mapped)
+ pWin->mapped = FALSE;
+ }
+#ifdef XFIXES
+ if (SaveSetShouldMap (client->saveSet[j]))
+#endif
+ MapWindow(pWin, client);
+ }
+ }
+ free(client->saveSet);
+ client->numSaved = 0;
+ client->saveSet = (SaveSetElt *)NULL;
+}
+
+/**
+ *
+ * \param x,y in root
+ */
+Bool
+PointInWindowIsVisible(WindowPtr pWin, int x, int y)
+{
+ BoxRec box;
+
+ if (!pWin->realized)
+ return FALSE;
+ if (RegionContainsPoint(&pWin->borderClip,
+ x, y, &box)
+ && (!wInputShape(pWin) ||
+ RegionContainsPoint(wInputShape(pWin),
+ x - pWin->drawable.x,
+ y - pWin->drawable.y, &box)))
+ return TRUE;
+ return FALSE;
+}
+
+
+RegionPtr
+NotClippedByChildren(WindowPtr pWin)
+{
+ RegionPtr pReg = RegionCreate(NullBox, 1);
+ if (pWin->parent ||
+ screenIsSaved != SCREEN_SAVER_ON ||
+ !HasSaverWindow (pWin->drawable.pScreen))
+ {
+ RegionIntersect(pReg, &pWin->borderClip, &pWin->winSize);
+ }
+ return pReg;
+}
+
+void
+SendVisibilityNotify(WindowPtr pWin)
+{
+ xEvent event;
+ unsigned int visibility = pWin->visibility;
+
+ if (!MapUnmapEventsEnabled(pWin))
+ return;
+#ifdef PANORAMIX
+ /* This is not quite correct yet, but it's close */
+ if(!noPanoramiXExtension) {
+ PanoramiXRes *win;
+ WindowPtr pWin2;
+ int rc, i, Scrnum;
+
+ Scrnum = pWin->drawable.pScreen->myNum;
+
+ win = PanoramiXFindIDByScrnum(XRT_WINDOW, pWin->drawable.id, Scrnum);
+
+ if(!win || (win->u.win.visibility == visibility))
+ return;
+
+ switch(visibility) {
+ case VisibilityUnobscured:
+ FOR_NSCREENS(i) {
+ if(i == Scrnum) continue;
+
+ rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient,
+ DixWriteAccess);
+
+ if (rc == Success) {
+ if(pWin2->visibility == VisibilityPartiallyObscured)
+ return;
+
+ if(!i) pWin = pWin2;
+ }
+ }
+ break;
+ case VisibilityPartiallyObscured:
+ if(Scrnum) {
+ rc = dixLookupWindow(&pWin2, win->info[0].id, serverClient,
+ DixWriteAccess);
+ if (rc == Success) pWin = pWin2;
+ }
+ break;
+ case VisibilityFullyObscured:
+ FOR_NSCREENS(i) {
+ if(i == Scrnum) continue;
+
+ rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient,
+ DixWriteAccess);
+
+ if (rc == Success) {
+ if(pWin2->visibility != VisibilityFullyObscured)
+ return;
+
+ if(!i) pWin = pWin2;
+ }
+ }
+ break;
+ }
+
+ win->u.win.visibility = visibility;
+ }
+#endif
+
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = VisibilityNotify;
+ event.u.visibility.window = pWin->drawable.id;
+ event.u.visibility.state = visibility;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+}
+
+#define RANDOM_WIDTH 32
+int
+dixSaveScreens(ClientPtr client, int on, int mode)
+{
+ int rc, i, what, type;
+
+ if (on == SCREEN_SAVER_FORCER)
+ {
+ if (mode == ScreenSaverReset)
+ what = SCREEN_SAVER_OFF;
+ else
+ what = SCREEN_SAVER_ON;
+ type = what;
+ }
+ else
+ {
+ what = on;
+ type = what;
+ if (what == screenIsSaved)
+ type = SCREEN_SAVER_CYCLE;
+ }
+
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i],
+ DixShowAccess | DixHideAccess);
+ if (rc != Success)
+ return rc;
+ }
+ for (i = 0; i < screenInfo.numScreens; i++)
+ {
+ ScreenPtr pScreen = screenInfo.screens[i];
+ if (on == SCREEN_SAVER_FORCER)
+ (* pScreen->SaveScreen) (pScreen, on);
+ if (pScreen->screensaver.ExternalScreenSaver)
+ {
+ if ((*pScreen->screensaver.ExternalScreenSaver)
+ (pScreen, type, on == SCREEN_SAVER_FORCER))
+ continue;
+ }
+ if (type == screenIsSaved)
+ continue;
+ switch (type) {
+ case SCREEN_SAVER_OFF:
+ if (pScreen->screensaver.blanked == SCREEN_IS_BLANKED)
+ {
+ (* pScreen->SaveScreen) (pScreen, what);
+ }
+ else if (HasSaverWindow (pScreen))
+ {
+ pScreen->screensaver.pWindow = NullWindow;
+ FreeResource(pScreen->screensaver.wid, RT_NONE);
+ }
+ break;
+ case SCREEN_SAVER_CYCLE:
+ if (pScreen->screensaver.blanked == SCREEN_IS_TILED)
+ {
+ WindowPtr pWin = pScreen->screensaver.pWindow;
+ /* make it look like screen saver is off, so that
+ * NotClippedByChildren will compute a clip list
+ * for the root window, so miPaintWindow works
+ */
+ screenIsSaved = SCREEN_SAVER_OFF;
+ (*pWin->drawable.pScreen->MoveWindow)(pWin,
+ (short)(-(rand() % RANDOM_WIDTH)),
+ (short)(-(rand() % RANDOM_WIDTH)),
+ pWin->nextSib, VTMove);
+ screenIsSaved = SCREEN_SAVER_ON;
+ }
+ /*
+ * Call the DDX saver in case it wants to do something
+ * at cycle time
+ */
+ else if (pScreen->screensaver.blanked == SCREEN_IS_BLANKED)
+ {
+ (* pScreen->SaveScreen) (pScreen, type);
+ }
+ break;
+ case SCREEN_SAVER_ON:
+ if (ScreenSaverBlanking != DontPreferBlanking)
+ {
+ if ((* pScreen->SaveScreen) (pScreen, what))
+ {
+ pScreen->screensaver.blanked = SCREEN_IS_BLANKED;
+ continue;
+ }
+ if ((ScreenSaverAllowExposures != DontAllowExposures) &&
+ TileScreenSaver(pScreen, SCREEN_IS_BLACK))
+ {
+ pScreen->screensaver.blanked = SCREEN_IS_BLACK;
+ continue;
+ }
+ }
+ if ((ScreenSaverAllowExposures != DontAllowExposures) &&
+ TileScreenSaver(pScreen, SCREEN_IS_TILED))
+ {
+ pScreen->screensaver.blanked = SCREEN_IS_TILED;
+ }
+ else
+ pScreen->screensaver.blanked = SCREEN_ISNT_SAVED;
+ break;
+ }
+ }
+ screenIsSaved = what;
+ if (mode == ScreenSaverReset) {
+ if (on == SCREEN_SAVER_FORCER) {
+ UpdateCurrentTimeIf();
+ lastDeviceEventTime = currentTime;
+ }
+ SetScreenSaverTimer();
+ }
+ return Success;
+}
+
+int
+SaveScreens(int on, int mode)
+{
+ return dixSaveScreens(serverClient, on, mode);
+}
+
+static Bool
+TileScreenSaver(ScreenPtr pScreen, int kind)
+{
+ int j;
+ int result;
+ XID attributes[3];
+ Mask mask;
+ WindowPtr pWin;
+ CursorMetricRec cm;
+ unsigned char *srcbits, *mskbits;
+ CursorPtr cursor;
+ XID cursorID = 0;
+ int attri;
+
+ mask = 0;
+ attri = 0;
+ switch (kind) {
+ case SCREEN_IS_TILED:
+ switch (pScreen->root->backgroundState) {
+ case BackgroundPixel:
+ attributes[attri++] = pScreen->root->background.pixel;
+ mask |= CWBackPixel;
+ break;
+ case BackgroundPixmap:
+ attributes[attri++] = None;
+ mask |= CWBackPixmap;
+ break;
+ default:
+ break;
+ }
+ break;
+ case SCREEN_IS_BLACK:
+ attributes[attri++] = pScreen->root->drawable.pScreen->blackPixel;
+ mask |= CWBackPixel;
+ break;
+ }
+ mask |= CWOverrideRedirect;
+ attributes[attri++] = xTrue;
+
+ /*
+ * create a blank cursor
+ */
+
+ cm.width=16;
+ cm.height=16;
+ cm.xhot=8;
+ cm.yhot=8;
+ srcbits = malloc( BitmapBytePad(32)*16);
+ mskbits = malloc( BitmapBytePad(32)*16);
+ if (!srcbits || !mskbits)
+ {
+ free(srcbits);
+ free(mskbits);
+ cursor = 0;
+ }
+ else
+ {
+ for (j=0; j<BitmapBytePad(32)*16; j++)
+ srcbits[j] = mskbits[j] = 0x0;
+ result = AllocARGBCursor(srcbits, mskbits, NULL, &cm, 0, 0, 0, 0, 0, 0,
+ &cursor, serverClient, (XID)0);
+ if (cursor)
+ {
+ cursorID = FakeClientID(0);
+ if (AddResource (cursorID, RT_CURSOR, (pointer) cursor))
+ {
+ attributes[attri] = cursorID;
+ mask |= CWCursor;
+ }
+ else
+ cursor = 0;
+ }
+ else
+ {
+ free(srcbits);
+ free(mskbits);
+ }
+ }
+
+ pWin = pScreen->screensaver.pWindow =
+ CreateWindow(pScreen->screensaver.wid,
+ pScreen->root,
+ -RANDOM_WIDTH, -RANDOM_WIDTH,
+ (unsigned short)pScreen->width + RANDOM_WIDTH,
+ (unsigned short)pScreen->height + RANDOM_WIDTH,
+ 0, InputOutput, mask, attributes, 0, serverClient,
+ wVisual (pScreen->root), &result);
+
+ if (cursor)
+ FreeResource (cursorID, RT_NONE);
+
+ if (!pWin)
+ return FALSE;
+
+ if (!AddResource(pWin->drawable.id, RT_WINDOW,
+ (pointer)pScreen->screensaver.pWindow))
+ return FALSE;
+
+ if (mask & CWBackPixmap)
+ {
+ MakeRootTile (pWin);
+ (*pWin->drawable.pScreen->ChangeWindowAttributes)(pWin, CWBackPixmap);
+ }
+ MapWindow(pWin, serverClient);
+ return TRUE;
+}
+
+/*
+ * FindWindowWithOptional
+ *
+ * search ancestors of the given window for an entry containing
+ * a WindowOpt structure. Assumptions: some parent will
+ * contain the structure.
+ */
+
+WindowPtr
+FindWindowWithOptional (WindowPtr w)
+{
+ do
+ w = w->parent;
+ while (!w->optional);
+ return w;
+}
+
+/*
+ * CheckWindowOptionalNeed
+ *
+ * check each optional entry in the given window to see if
+ * the value is satisfied by the default rules. If so,
+ * release the optional record
+ */
+
+void
+CheckWindowOptionalNeed (WindowPtr w)
+{
+ WindowOptPtr optional;
+ WindowOptPtr parentOptional;
+
+ if (!w->parent || !w->optional)
+ return;
+ optional = w->optional;
+ if (optional->dontPropagateMask != DontPropagateMasks[w->dontPropagate])
+ return;
+ if (optional->otherEventMasks != 0)
+ return;
+ if (optional->otherClients != NULL)
+ return;
+ if (optional->passiveGrabs != NULL)
+ return;
+ if (optional->userProps != NULL)
+ return;
+ if (optional->backingBitPlanes != ~0L)
+ return;
+ if (optional->backingPixel != 0)
+ return;
+ if (optional->boundingShape != NULL)
+ return;
+ if (optional->clipShape != NULL)
+ return;
+ if (optional->inputShape != NULL)
+ return;
+ if (optional->inputMasks != NULL)
+ return;
+ if (optional->deviceCursors != NULL)
+ {
+ DevCursNodePtr pNode = optional->deviceCursors;
+ while(pNode)
+ {
+ if (pNode->cursor != None)
+ return;
+ pNode = pNode->next;
+ }
+ }
+
+ parentOptional = FindWindowWithOptional(w)->optional;
+ if (optional->visual != parentOptional->visual)
+ return;
+ if (optional->cursor != None &&
+ (optional->cursor != parentOptional->cursor ||
+ w->parent->cursorIsNone))
+ return;
+ if (optional->colormap != parentOptional->colormap)
+ return;
+ DisposeWindowOptional (w);
+}
+
+/*
+ * MakeWindowOptional
+ *
+ * create an optional record and initialize it with the default
+ * values.
+ */
+
+Bool
+MakeWindowOptional (WindowPtr pWin)
+{
+ WindowOptPtr optional;
+ WindowOptPtr parentOptional;
+
+ if (pWin->optional)
+ return TRUE;
+ optional = malloc(sizeof (WindowOptRec));
+ if (!optional)
+ return FALSE;
+ optional->dontPropagateMask = DontPropagateMasks[pWin->dontPropagate];
+ optional->otherEventMasks = 0;
+ optional->otherClients = NULL;
+ optional->passiveGrabs = NULL;
+ optional->userProps = NULL;
+ optional->backingBitPlanes = ~0L;
+ optional->backingPixel = 0;
+ optional->boundingShape = NULL;
+ optional->clipShape = NULL;
+ optional->inputShape = NULL;
+ optional->inputMasks = NULL;
+ optional->deviceCursors = NULL;
+
+ parentOptional = FindWindowWithOptional(pWin)->optional;
+ optional->visual = parentOptional->visual;
+ if (!pWin->cursorIsNone)
+ {
+ optional->cursor = parentOptional->cursor;
+ optional->cursor->refcnt++;
+ }
+ else
+ {
+ optional->cursor = None;
+ }
+ optional->colormap = parentOptional->colormap;
+ pWin->optional = optional;
+ return TRUE;
+}
+
+/*
+ * Changes the cursor struct for the given device and the given window.
+ * A cursor that does not have a device cursor set will use whatever the
+ * standard cursor is for the window. If all devices have a cursor set,
+ * changing the window cursor (e.g. using XDefineCursor()) will not have any
+ * visible effect. Only when one of the device cursors is set to None again,
+ * this device's cursor will display the changed standard cursor.
+ *
+ * CursorIsNone of the window struct is NOT modified if you set a device
+ * cursor.
+ *
+ * Assumption: If there is a node for a device in the list, the device has a
+ * cursor. If the cursor is set to None, it is inherited by the parent.
+ */
+int
+ChangeWindowDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ CursorPtr pCursor)
+{
+ DevCursNodePtr pNode, pPrev;
+ CursorPtr pOldCursor = NULL;
+ ScreenPtr pScreen;
+ WindowPtr pChild;
+
+ if (!pWin->optional && !MakeWindowOptional(pWin))
+ return BadAlloc;
+
+ /* 1) Check if window has device cursor set
+ * Yes: 1.1) swap cursor with given cursor if parent does not have same
+ * cursor, free old cursor
+ * 1.2) free old cursor, use parent cursor
+ * No: 1.1) add node to beginning of list.
+ * 1.2) add cursor to node if parent does not have same cursor
+ * 1.3) use parent cursor if parent does not have same cursor
+ * 2) Patch up children if child has a devcursor
+ * 2.1) if child has cursor None, it inherited from parent, set to old
+ * cursor
+ * 2.2) if child has same cursor as new cursor, remove and set to None
+ */
+
+ pScreen = pWin->drawable.pScreen;
+
+ if (WindowSeekDeviceCursor(pWin, pDev, &pNode, &pPrev))
+ {
+ /* has device cursor */
+
+ if (pNode->cursor == pCursor)
+ return Success;
+
+ pOldCursor = pNode->cursor;
+
+ if (!pCursor) /* remove from list */
+ {
+ if(pPrev)
+ pPrev->next = pNode->next;
+ else
+ /* first item in list */
+ pWin->optional->deviceCursors = pNode->next;
+
+ free(pNode);
+ goto out;
+ }
+
+ } else
+ {
+ /* no device cursor yet */
+ DevCursNodePtr pNewNode;
+
+ if (!pCursor)
+ return Success;
+
+ pNewNode = malloc(sizeof(DevCursNodeRec));
+ pNewNode->dev = pDev;
+ pNewNode->next = pWin->optional->deviceCursors;
+ pWin->optional->deviceCursors = pNewNode;
+ pNode = pNewNode;
+
+ }
+
+ if (pCursor && WindowParentHasDeviceCursor(pWin, pDev, pCursor))
+ pNode->cursor = None;
+ else
+ {
+ pNode->cursor = pCursor;
+ pCursor->refcnt++;
+ }
+
+ pNode = pPrev = NULL;
+ /* fix up children */
+ for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
+ {
+ if (WindowSeekDeviceCursor(pChild, pDev, &pNode, &pPrev))
+ {
+ if (pNode->cursor == None) /* inherited from parent */
+ {
+ pNode->cursor = pOldCursor;
+ pOldCursor->refcnt++;
+ } else if (pNode->cursor == pCursor)
+ {
+ pNode->cursor = None;
+ FreeCursor(pCursor, (Cursor)0); /* fix up refcnt */
+ }
+ }
+ }
+
+out:
+ if (pWin->realized)
+ WindowHasNewCursor(pWin);
+
+ if (pOldCursor)
+ FreeCursor(pOldCursor, (Cursor)0);
+
+ /* FIXME: We SHOULD check for an error value here XXX
+ (comment taken from ChangeWindowAttributes) */
+ (*pScreen->ChangeWindowAttributes)(pWin, CWCursor);
+
+ return Success;
+}
+
+/* Get device cursor for given device or None if none is set */
+CursorPtr
+WindowGetDeviceCursor(WindowPtr pWin, DeviceIntPtr pDev)
+{
+ DevCursorList pList;
+
+ if (!pWin->optional || !pWin->optional->deviceCursors)
+ return NULL;
+
+ pList = pWin->optional->deviceCursors;
+
+ while(pList)
+ {
+ if (pList->dev == pDev)
+ {
+ if (pList->cursor == None) /* inherited from parent */
+ return WindowGetDeviceCursor(pWin->parent, pDev);
+ else
+ return pList->cursor;
+ }
+ pList = pList->next;
+ }
+ return NULL;
+}
+
+/* Searches for a DevCursorNode for the given window and device. If one is
+ * found, return True and set pNode and pPrev to the node and to the node
+ * before the node respectively. Otherwise return False.
+ * If the device is the first in list, pPrev is set to NULL.
+ */
+static Bool
+WindowSeekDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ DevCursNodePtr* pNode,
+ DevCursNodePtr* pPrev)
+{
+ DevCursorList pList;
+
+ if (!pWin->optional)
+ return FALSE;
+
+ pList = pWin->optional->deviceCursors;
+
+ if (pList && pList->dev == pDev)
+ {
+ *pNode = pList;
+ *pPrev = NULL;
+ return TRUE;
+ }
+
+ while(pList)
+ {
+ if (pList->next)
+ {
+ if (pList->next->dev == pDev)
+ {
+ *pNode = pList->next;
+ *pPrev = pList;
+ return TRUE;
+ }
+ }
+ pList = pList->next;
+ }
+ return FALSE;
+}
+
+/* Return True if a parent has the same device cursor set or False if
+ * otherwise
+ */
+static Bool
+WindowParentHasDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ CursorPtr pCursor)
+{
+ WindowPtr pParent;
+ DevCursNodePtr pParentNode, pParentPrev;
+
+ pParent = pWin->parent;
+ while(pParent)
+ {
+ if (WindowSeekDeviceCursor(pParent, pDev,
+ &pParentNode, &pParentPrev))
+ {
+ /* if there is a node in the list, the win has a dev cursor */
+ if (!pParentNode->cursor) /* inherited. */
+ pParent = pParent->parent;
+ else if (pParentNode->cursor == pCursor) /* inherit */
+ return TRUE;
+ else /* different cursor */
+ return FALSE;
+ }
+ else
+ /* parent does not have a device cursor for our device */
+ return FALSE;
+ }
+ return FALSE;
+}
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