From bdebed13fbe3b1064f9bca04b34643b2587b5304 Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 14 Feb 2010 21:53:27 +0000 Subject: git update 14-2-2010 --- xorg-server/dix/window.c | 7767 +++++++++++++++++++++++----------------------- 1 file changed, 3886 insertions(+), 3881 deletions(-) (limited to 'xorg-server/dix/window.c') diff --git a/xorg-server/dix/window.c b/xorg-server/dix/window.c index caff1cbff..87502a9d0 100644 --- a/xorg-server/dix/window.c +++ b/xorg-server/dix/window.c @@ -1,3881 +1,3886 @@ -/* - -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 -#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 - ******/ - -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; - -ScreenSaverStuffRec savedScreenInfo[MAXSCREENS]; - -static int FocusPrivatesKeyIndex; -DevPrivateKey FocusPrivatesKey = &FocusPrivatesKeyIndex; - -static Bool TileScreenSaver(int i, 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; idrawable.id); - miPrintRegion(&p1->clipList); - PrintChildren(p2, indent+4); - p1 = p1->nextSib; - } -} - -static void -PrintWindowTree(void) -{ - int i; - WindowPtr pWin, p1; - - for (i=0; iclipList); - 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(WindowTable[pScreen->myNum], 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 -} - -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"); - - { - CARD32 attributes[2]; - - attributes[0] = pScreen->whitePixel; - attributes[1] = pScreen->blackPixel; - - (void)ChangeGC(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 = xalloc(sizeof(WindowRec)); - if (!pWin) - return FALSE; - - savedScreenInfo[pScreen->myNum].pWindow = NULL; - savedScreenInfo[pScreen->myNum].wid = FakeClientID(0); - savedScreenInfo[pScreen->myNum].ExternalScreenSaver = NULL; - screenIsSaved = SCREEN_SAVER_OFF; - - WindowTable[pScreen->myNum] = pWin; - - pWin->drawable.pScreen = pScreen; - pWin->drawable.type = DRAWABLE_WINDOW; - pWin->devPrivates = NULL; - - 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 = xalloc (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; - REGION_INIT(pScreen, &pWin->clipList, &box, 1); - REGION_INIT(pScreen, &pWin->winSize, &box, 1); - REGION_INIT(pScreen, &pWin->borderSize, &box, 1); - REGION_INIT(pScreen, &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 (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) -{ - ScreenPtr pScreen; - BoxRec box; - - pScreen = pWin->drawable.pScreen; - - box = *(REGION_EXTENTS(pScreen, &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; - REGION_RESET(pScreen, Rgn, &box); - REGION_INTERSECT(pScreen, 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->myNum))) - 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 = xalloc(sizeof(WindowRec)); - if (!pWin) - { - *error = BadAlloc; - return NullWindow; - } - pWin->drawable = pParent->drawable; - pWin->devPrivates = NULL; - 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)) - { - xfree (pWin); - *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) { - xfree(pWin); - 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 */ - REGION_NULL(pScreen, &pWin->clipList); - REGION_NULL(pScreen, &pWin->borderClip); - REGION_NULL(pScreen, &pWin->winSize); - REGION_NULL(pScreen, &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; - xfree(pPrev); - } - pWin->optional->deviceCursors = NULL; - } - - xfree (pWin->optional); - pWin->optional = NULL; -} - -static void -FreeWindowResources(WindowPtr pWin) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - - DeleteWindowFromAnySaveSet(pWin); - DeleteWindowFromAnySelections(pWin); - DeleteWindowFromAnyEvents(pWin, TRUE); - REGION_UNINIT(pScreen, &pWin->clipList); - REGION_UNINIT(pScreen, &pWin->winSize); - REGION_UNINIT(pScreen, &pWin->borderClip); - REGION_UNINIT(pScreen, &pWin->borderSize); - if (wBoundingShape (pWin)) - REGION_DESTROY(pScreen, wBoundingShape (pWin)); - if (wClipShape (pWin)) - REGION_DESTROY(pScreen, wClipShape (pWin)); - if (wInputShape (pWin)) - REGION_DESTROY(pScreen, 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); - dixFreePrivates(pChild->devPrivates); - xfree(pChild); - 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; - } - xfree(dixLookupPrivate(&pWin->devPrivates, FocusPrivatesKey)); - dixFreePrivates(pWin->devPrivates); - xfree(pWin); - 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; -} - -/***** - * 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) - MakeRootTile(pWin); - 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) - MakeRootTile(pWin); - 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 == BadValue) ? BadPixmap : 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 == BadValue) ? BadPixmap : 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 == BadValue) ? BadColor : 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 == WindowTable[pWin->drawable.pScreen->myNum]) - pCursor = rootCursor; - else - pCursor = (CursorPtr) None; - } - else - { - rc = dixLookupResourceByType((pointer *)&pCursor, cursorID, - RT_CURSOR, client, DixUseAccess); - if (rc != Success) - { - error = (rc == BadValue) ? BadCursor : 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; - - REGION_NULL(pScreen, &exposed); - REGION_SUBTRACT(pScreen, &exposed, &pWin->borderClip, &pWin->winSize); - miPaintWindow(pWin, &exposed, PW_BORDER); - REGION_UNINIT(pScreen, &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; - REGION_RESET (pScreen, &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)) { - ScreenPtr pScreen; - pScreen = pWin->drawable.pScreen; - - REGION_TRANSLATE(pScreen, &pWin->winSize, - pWin->drawable.x, - - pWin->drawable.y); - if (wBoundingShape (pWin)) - REGION_INTERSECT(pScreen, &pWin->winSize, &pWin->winSize, - wBoundingShape (pWin)); - if (wClipShape (pWin)) - REGION_INTERSECT(pScreen, &pWin->winSize, &pWin->winSize, - wClipShape (pWin)); - REGION_TRANSLATE(pScreen, &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; - REGION_RESET (pScreen, &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)) { - ScreenPtr pScreen; - pScreen = pWin->drawable.pScreen; - - REGION_TRANSLATE(pScreen, &pWin->borderSize, - pWin->drawable.x, - - pWin->drawable.y); - REGION_INTERSECT(pScreen, &pWin->borderSize, &pWin->borderSize, - wBoundingShape (pWin)); - REGION_TRANSLATE(pScreen, &pWin->borderSize, pWin->drawable.x, - pWin->drawable.y); - REGION_UNION(pScreen, &pWin->borderSize, &pWin->borderSize, - &pWin->winSize); - } - } else { - REGION_COPY(pWin->drawable.pScreen, &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; - ScreenPtr pScreen; - pScreen = pWin->drawable.pScreen; - - pRgn = REGION_CREATE(pScreen, pBox, 1); - if (wBoundingShape (pWin)) { - REGION_TRANSLATE(pScreen, pRgn, -pWin->origin.x, - -pWin->origin.y); - REGION_INTERSECT(pScreen, pRgn, pRgn, wBoundingShape (pWin)); - REGION_TRANSLATE(pScreen, pRgn, pWin->origin.x, - pWin->origin.y); - } - return pRgn; -} - -static Bool -ShapeOverlap ( - WindowPtr pWin, - BoxPtr pWinBox, - WindowPtr pSib, - BoxPtr pSibBox) -{ - RegionPtr pWinRgn, pSibRgn; - ScreenPtr pScreen; - Bool ret; - - if (!IS_SHAPED(pWin) && !IS_SHAPED(pSib)) - return TRUE; - pScreen = pWin->drawable.pScreen; - pWinRgn = MakeBoundingRegion (pWin, pWinBox); - pSibRgn = MakeBoundingRegion (pSib, pSibBox); - REGION_INTERSECT(pScreen, pWinRgn, pWinRgn, pSibRgn); - ret = REGION_NOTEMPTY(pScreen, pWinRgn); - REGION_DESTROY(pScreen, pWinRgn); - REGION_DESTROY(pScreen, 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; - ScreenPtr pScreen; - 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; - pScreen = pWin->drawable.pScreen; - 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) && - (RECT_IN_REGION(pScreen, &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) && - (RECT_IN_REGION(pScreen, &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 (RECT_IN_REGION(pScreen, &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 += panoramiXdataPtr[0].x; - event.u.configureRequest.y += panoramiXdataPtr[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 (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 += panoramiXdataPtr[0].x; - event.u.configureNotify.y += panoramiXdataPtr[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 += panoramiXdataPtr[0].x; - event.u.reparent.y += panoramiXdataPtr[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); - REGION_NULL(pScreen, &temp); - REGION_COPY(pScreen, &temp, &pWin->clipList); - (*pScreen->WindowExposures) (pWin, &temp, NullRegion); - REGION_UNINIT(pScreen, &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; - int rc; - - 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; - 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; jnumSaved; j++) - { - pWin = SaveSetWindow(client->saveSet[j]); -#ifdef XFIXES - if (SaveSetToRoot(client->saveSet[j])) - pParent = WindowTable[pWin->drawable.pScreen->myNum]; - 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); - } - } - xfree(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 (POINT_IN_REGION(pWin->drawable.pScreen, &pWin->borderClip, - x, y, &box) - && (!wInputShape(pWin) || - POINT_IN_REGION(pWin->drawable.pScreen, - wInputShape(pWin), - x - pWin->drawable.x, - y - pWin->drawable.y, &box))) - return(TRUE); - return(FALSE); -} - - -RegionPtr -NotClippedByChildren(WindowPtr pWin) -{ - ScreenPtr pScreen; - RegionPtr pReg; - - pScreen = pWin->drawable.pScreen; - pReg = REGION_CREATE(pScreen, NullBox, 1); - if (pWin->parent || - screenIsSaved != SCREEN_SAVER_ON || - !HasSaverWindow (pWin->drawable.pScreen->myNum)) - { - REGION_INTERSECT(pScreen, pReg, &pWin->borderClip, &pWin->winSize); - } - return(pReg); -} - -void -SendVisibilityNotify(WindowPtr pWin) -{ - xEvent event; -#ifndef NO_XINERAMA_PORT - unsigned int visibility = pWin->visibility; -#endif - 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(i = 0; i < PanoramiXNumScreens; 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(i = 0; i < PanoramiXNumScreens; 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 - -#ifndef NOLOGOHACK -static void DrawLogo( - WindowPtr pWin -); -#endif - -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++) - { - if (on == SCREEN_SAVER_FORCER) - (* screenInfo.screens[i]->SaveScreen) (screenInfo.screens[i], on); - if (savedScreenInfo[i].ExternalScreenSaver) - { - if ((*savedScreenInfo[i].ExternalScreenSaver) - (screenInfo.screens[i], type, on == SCREEN_SAVER_FORCER)) - continue; - } - if (type == screenIsSaved) - continue; - switch (type) { - case SCREEN_SAVER_OFF: - if (savedScreenInfo[i].blanked == SCREEN_IS_BLANKED) - { - (* screenInfo.screens[i]->SaveScreen) (screenInfo.screens[i], - what); - } - else if (HasSaverWindow (i)) - { - savedScreenInfo[i].pWindow = NullWindow; - FreeResource(savedScreenInfo[i].wid, RT_NONE); - } - break; - case SCREEN_SAVER_CYCLE: - if (savedScreenInfo[i].blanked == SCREEN_IS_TILED) - { - WindowPtr pWin = savedScreenInfo[i].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; -#ifndef NOLOGOHACK - if (logoScreenSaver) - (*pWin->drawable.pScreen->ClearToBackground)(pWin, 0, 0, 0, 0, FALSE); -#endif - (*pWin->drawable.pScreen->MoveWindow)(pWin, - (short)(-(rand() % RANDOM_WIDTH)), - (short)(-(rand() % RANDOM_WIDTH)), - pWin->nextSib, VTMove); -#ifndef NOLOGOHACK - if (logoScreenSaver) - DrawLogo(pWin); -#endif - screenIsSaved = SCREEN_SAVER_ON; - } - /* - * Call the DDX saver in case it wants to do something - * at cycle time - */ - else if (savedScreenInfo[i].blanked == SCREEN_IS_BLANKED) - { - (* screenInfo.screens[i]->SaveScreen) (screenInfo.screens[i], - type); - } - break; - case SCREEN_SAVER_ON: - if (ScreenSaverBlanking != DontPreferBlanking) - { - if ((* screenInfo.screens[i]->SaveScreen) - (screenInfo.screens[i], what)) - { - savedScreenInfo[i].blanked = SCREEN_IS_BLANKED; - continue; - } - if ((ScreenSaverAllowExposures != DontAllowExposures) && - TileScreenSaver(i, SCREEN_IS_BLACK)) - { - savedScreenInfo[i].blanked = SCREEN_IS_BLACK; - continue; - } - } - if ((ScreenSaverAllowExposures != DontAllowExposures) && - TileScreenSaver(i, SCREEN_IS_TILED)) - { - savedScreenInfo[i].blanked = SCREEN_IS_TILED; - } - else - savedScreenInfo[i].blanked = SCREEN_ISNT_SAVED; - break; - } - } - screenIsSaved = what; - if (mode == ScreenSaverReset) - SetScreenSaverTimer(); - return Success; -} - -int -SaveScreens(int on, int mode) -{ - return dixSaveScreens(serverClient, on, mode); -} - -static Bool -TileScreenSaver(int i, 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 (WindowTable[i]->backgroundState) { - case BackgroundPixel: - attributes[attri++] = WindowTable[i]->background.pixel; - mask |= CWBackPixel; - break; - case BackgroundPixmap: - attributes[attri++] = None; - mask |= CWBackPixmap; - break; - default: - break; - } - break; - case SCREEN_IS_BLACK: - attributes[attri++] = WindowTable[i]->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 = xalloc( BitmapBytePad(32)*16); - mskbits = xalloc( BitmapBytePad(32)*16); - if (!srcbits || !mskbits) - { - xfree(srcbits); - xfree(mskbits); - cursor = 0; - } - else - { - for (j=0; jwidth + RANDOM_WIDTH, - (unsigned short)screenInfo.screens[i]->height + RANDOM_WIDTH, - 0, InputOutput, mask, attributes, 0, serverClient, - wVisual (WindowTable[i]), &result); - - if (cursor) - FreeResource (cursorID, RT_NONE); - - if (!pWin) - return FALSE; - - if (!AddResource(pWin->drawable.id, RT_WINDOW, - (pointer)savedScreenInfo[i].pWindow)) - return FALSE; - - if (mask & CWBackPixmap) - { - MakeRootTile (pWin); - (*pWin->drawable.pScreen->ChangeWindowAttributes)(pWin, CWBackPixmap); - } - MapWindow(pWin, serverClient); -#ifndef NOLOGOHACK - if (kind == SCREEN_IS_TILED && logoScreenSaver) - DrawLogo(pWin); -#endif - 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 = xalloc (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; - - xfree(pNode); - goto out; - } - - } else - { - /* no device cursor yet */ - DevCursNodePtr pNewNode; - - if (!pCursor) - return Success; - - pNewNode = xalloc(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. loop needs to cont. */ - { - } 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; -} - -#ifndef NOLOGOHACK -static void -DrawLogo(WindowPtr pWin) -{ - DrawablePtr pDraw; - ScreenPtr pScreen; - int x, y; - unsigned int width, height, size; - GC *pGC; - int rc, thin, gap, d31; - DDXPointRec poly[4]; - ChangeGCVal fore[2], back[2]; - xrgb rgb[2]; - BITS32 fmask, bmask; - ColormapPtr cmap; - - pDraw = (DrawablePtr)pWin; - pScreen = pDraw->pScreen; - x = -pWin->origin.x; - y = -pWin->origin.y; - width = pScreen->width; - height = pScreen->height; - pGC = GetScratchGC(pScreen->rootDepth, pScreen); - if (!pGC) - return; - - if ((rand() % 100) <= 17) /* make the probability for white fairly low */ - fore[0].val = pScreen->whitePixel; - else - fore[0].val = pScreen->blackPixel; - if (pWin->backgroundState == BackgroundPixel) { - rc = dixLookupResourceByType((pointer *)&cmap, wColormap(pWin), - RT_COLORMAP, serverClient, DixReadAccess); - if (rc == Success) { - Pixel querypixels[2]; - - querypixels[0] = fore[0].val; - querypixels[1] = pWin->background.pixel; - QueryColors(cmap, 2, querypixels, rgb); - if ((rgb[0].red == rgb[1].red) && - (rgb[0].green == rgb[1].green) && - (rgb[0].blue == rgb[1].blue)) { - if (fore[0].val == pScreen->blackPixel) - fore[0].val = pScreen->whitePixel; - else - fore[0].val = pScreen->blackPixel; - } - } - } - fore[1].val = FillSolid; - fmask = GCForeground|GCFillStyle; - if (pWin->backgroundState == BackgroundPixel) { - back[0].val = pWin->background.pixel; - back[1].val = FillSolid; - bmask = GCForeground|GCFillStyle; - } else { - back[0].val = 0; - back[1].val = 0; - dixChangeGC(NullClient, pGC, GCTileStipXOrigin|GCTileStipYOrigin, - NULL, back); - back[0].val = FillTiled; - back[1].ptr = pWin->background.pixmap; - bmask = GCFillStyle|GCTile; - } - - /* should be the same as the reference function XmuDrawLogo() */ - - size = width; - if (height < width) - size = height; - size = RANDOM_WIDTH + rand() % (size - RANDOM_WIDTH); - size &= ~1; - x += rand() % (width - size); - y += rand() % (height - size); - -/* - * Draw what will be the thin strokes. - * - * ----- - * / / - * / / - * / / - * / / - * /____/ - * d - * - * Point d is 9/44 (~1/5) of the way across. - */ - - thin = (size / 11); - if (thin < 1) thin = 1; - gap = (thin+3) / 4; - d31 = thin + thin + gap; - poly[0].x = x + size; poly[0].y = y; - poly[1].x = x + size-d31; poly[1].y = y; - poly[2].x = x + 0; poly[2].y = y + size; - poly[3].x = x + d31; poly[3].y = y + size; - dixChangeGC(NullClient, pGC, fmask, NULL, fore); - ValidateGC(pDraw, pGC); - (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); - -/* - * Erase area not needed for lower thin stroke. - * - * ------ - * / / - * / __ / - * / / / - * / / / - * /__/__/ - */ - - poly[0].x = x + d31/2; poly[0].y = y + size; - poly[1].x = x + size / 2; poly[1].y = y + size/2; - poly[2].x = x + (size/2)+(d31-(d31/2)); poly[2].y = y + size/2; - poly[3].x = x + d31; poly[3].y = y + size; - dixChangeGC(NullClient, pGC, bmask, NULL, back); - ValidateGC(pDraw, pGC); - (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); - -/* - * Erase area not needed for upper thin stroke. - * - * ------ - * / / / - * /--/ / - * / / - * / / - * /_____/ - */ - - poly[0].x = x + size - d31/2; poly[0].y = y; - poly[1].x = x + size / 2; poly[1].y = y + size/2; - poly[2].x = x + (size/2)-(d31-(d31/2)); poly[2].y = y + size/2; - poly[3].x = x + size - d31; poly[3].y = y; - ValidateGC(pDraw, pGC); - (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); - -/* - * Draw thick stroke. - * Point b is 1/4 of the way across. - * - * b - * ----- - * \ \ - * \ \ - * \ \ - * \ \ - * \____\ - */ - - poly[0].x = x; poly[0].y = y; - poly[1].x = x + size/4; poly[1].y = y; - poly[2].x = x + size; poly[2].y = y + size; - poly[3].x = x + size - size/4; poly[3].y = y + size; - dixChangeGC(NullClient, pGC, fmask, NULL, fore); - ValidateGC(pDraw, pGC); - (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); - -/* - * Erase to create gap. - * - * / - * / - * / - * / - * / - */ - - poly[0].x = x + size- thin; poly[0].y = y; - poly[1].x = x + size-( thin+gap); poly[1].y = y; - poly[2].x = x + thin; poly[2].y = y + size; - poly[3].x = x + thin + gap; poly[3].y = y + size; - dixChangeGC(NullClient, pGC, bmask, NULL, back); - ValidateGC(pDraw, pGC); - (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); - - FreeScratchGC(pGC); -} - -#endif +/* + +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 +#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 + ******/ + +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; + +ScreenSaverStuffRec savedScreenInfo[MAXSCREENS]; + +static int FocusPrivatesKeyIndex; +DevPrivateKey FocusPrivatesKey = &FocusPrivatesKeyIndex; + +static Bool TileScreenSaver(int i, 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; idrawable.id); + miPrintRegion(&p1->clipList); + PrintChildren(p2, indent+4); + p1 = p1->nextSib; + } +} + +static void +PrintWindowTree(void) +{ + int i; + WindowPtr pWin, p1; + + for (i=0; iclipList); + 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(WindowTable[pScreen->myNum], 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 +} + +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"); + + { + CARD32 attributes[2]; + + attributes[0] = pScreen->whitePixel; + attributes[1] = pScreen->blackPixel; + + (void)ChangeGC(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 = xalloc(sizeof(WindowRec)); + if (!pWin) + return FALSE; + + savedScreenInfo[pScreen->myNum].pWindow = NULL; + savedScreenInfo[pScreen->myNum].wid = FakeClientID(0); + savedScreenInfo[pScreen->myNum].ExternalScreenSaver = NULL; + screenIsSaved = SCREEN_SAVER_OFF; + + WindowTable[pScreen->myNum] = pWin; + + pWin->drawable.pScreen = pScreen; + pWin->drawable.type = DRAWABLE_WINDOW; + pWin->devPrivates = NULL; + + 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 = xalloc (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; + REGION_INIT(pScreen, &pWin->clipList, &box, 1); + REGION_INIT(pScreen, &pWin->winSize, &box, 1); + REGION_INIT(pScreen, &pWin->borderSize, &box, 1); + REGION_INIT(pScreen, &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 (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) +{ + ScreenPtr pScreen; + BoxRec box; + + pScreen = pWin->drawable.pScreen; + + box = *(REGION_EXTENTS(pScreen, &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; + REGION_RESET(pScreen, Rgn, &box); + REGION_INTERSECT(pScreen, 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->myNum))) + 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 = xalloc(sizeof(WindowRec)); + if (!pWin) + { + *error = BadAlloc; + return NullWindow; + } + pWin->drawable = pParent->drawable; + pWin->devPrivates = NULL; + 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)) + { + xfree (pWin); + *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) { + xfree(pWin); + 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 */ + REGION_NULL(pScreen, &pWin->clipList); + REGION_NULL(pScreen, &pWin->borderClip); + REGION_NULL(pScreen, &pWin->winSize); + REGION_NULL(pScreen, &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; + xfree(pPrev); + } + pWin->optional->deviceCursors = NULL; + } + + xfree (pWin->optional); + pWin->optional = NULL; +} + +static void +FreeWindowResources(WindowPtr pWin) +{ + ScreenPtr pScreen = pWin->drawable.pScreen; + + DeleteWindowFromAnySaveSet(pWin); + DeleteWindowFromAnySelections(pWin); + DeleteWindowFromAnyEvents(pWin, TRUE); + REGION_UNINIT(pScreen, &pWin->clipList); + REGION_UNINIT(pScreen, &pWin->winSize); + REGION_UNINIT(pScreen, &pWin->borderClip); + REGION_UNINIT(pScreen, &pWin->borderSize); + if (wBoundingShape (pWin)) + REGION_DESTROY(pScreen, wBoundingShape (pWin)); + if (wClipShape (pWin)) + REGION_DESTROY(pScreen, wClipShape (pWin)); + if (wInputShape (pWin)) + REGION_DESTROY(pScreen, 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); + dixFreePrivates(pChild->devPrivates); + xfree(pChild); + 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; + } + xfree(dixLookupPrivate(&pWin->devPrivates, FocusPrivatesKey)); + dixFreePrivates(pWin->devPrivates); + xfree(pWin); + 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; +} + +/***** + * 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) + MakeRootTile(pWin); + 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) + MakeRootTile(pWin); + 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 == BadValue) ? BadPixmap : 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 == BadValue) ? BadPixmap : 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 == BadValue) ? BadColor : 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 == WindowTable[pWin->drawable.pScreen->myNum]) + pCursor = rootCursor; + else + pCursor = (CursorPtr) None; + } + else + { + rc = dixLookupResourceByType((pointer *)&pCursor, cursorID, + RT_CURSOR, client, DixUseAccess); + if (rc != Success) + { + error = (rc == BadValue) ? BadCursor : 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; + + REGION_NULL(pScreen, &exposed); + REGION_SUBTRACT(pScreen, &exposed, &pWin->borderClip, &pWin->winSize); + miPaintWindow(pWin, &exposed, PW_BORDER); + REGION_UNINIT(pScreen, &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; + REGION_RESET (pScreen, &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)) { + ScreenPtr pScreen; + pScreen = pWin->drawable.pScreen; + + REGION_TRANSLATE(pScreen, &pWin->winSize, - pWin->drawable.x, + - pWin->drawable.y); + if (wBoundingShape (pWin)) + REGION_INTERSECT(pScreen, &pWin->winSize, &pWin->winSize, + wBoundingShape (pWin)); + if (wClipShape (pWin)) + REGION_INTERSECT(pScreen, &pWin->winSize, &pWin->winSize, + wClipShape (pWin)); + REGION_TRANSLATE(pScreen, &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; + REGION_RESET (pScreen, &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)) { + ScreenPtr pScreen; + pScreen = pWin->drawable.pScreen; + + REGION_TRANSLATE(pScreen, &pWin->borderSize, - pWin->drawable.x, + - pWin->drawable.y); + REGION_INTERSECT(pScreen, &pWin->borderSize, &pWin->borderSize, + wBoundingShape (pWin)); + REGION_TRANSLATE(pScreen, &pWin->borderSize, pWin->drawable.x, + pWin->drawable.y); + REGION_UNION(pScreen, &pWin->borderSize, &pWin->borderSize, + &pWin->winSize); + } + } else { + REGION_COPY(pWin->drawable.pScreen, &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; + ScreenPtr pScreen; + pScreen = pWin->drawable.pScreen; + + pRgn = REGION_CREATE(pScreen, pBox, 1); + if (wBoundingShape (pWin)) { + REGION_TRANSLATE(pScreen, pRgn, -pWin->origin.x, + -pWin->origin.y); + REGION_INTERSECT(pScreen, pRgn, pRgn, wBoundingShape (pWin)); + REGION_TRANSLATE(pScreen, pRgn, pWin->origin.x, + pWin->origin.y); + } + return pRgn; +} + +static Bool +ShapeOverlap ( + WindowPtr pWin, + BoxPtr pWinBox, + WindowPtr pSib, + BoxPtr pSibBox) +{ + RegionPtr pWinRgn, pSibRgn; + ScreenPtr pScreen; + Bool ret; + + if (!IS_SHAPED(pWin) && !IS_SHAPED(pSib)) + return TRUE; + pScreen = pWin->drawable.pScreen; + pWinRgn = MakeBoundingRegion (pWin, pWinBox); + pSibRgn = MakeBoundingRegion (pSib, pSibBox); + REGION_INTERSECT(pScreen, pWinRgn, pWinRgn, pSibRgn); + ret = REGION_NOTEMPTY(pScreen, pWinRgn); + REGION_DESTROY(pScreen, pWinRgn); + REGION_DESTROY(pScreen, 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; + ScreenPtr pScreen; + 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; + pScreen = pWin->drawable.pScreen; + 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) && + (RECT_IN_REGION(pScreen, &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) && + (RECT_IN_REGION(pScreen, &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 (RECT_IN_REGION(pScreen, &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 += panoramiXdataPtr[0].x; + event.u.configureRequest.y += panoramiXdataPtr[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 (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 += panoramiXdataPtr[0].x; + event.u.configureNotify.y += panoramiXdataPtr[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 += panoramiXdataPtr[0].x; + event.u.reparent.y += panoramiXdataPtr[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); + REGION_NULL(pScreen, &temp); + REGION_COPY(pScreen, &temp, &pWin->clipList); + (*pScreen->WindowExposures) (pWin, &temp, NullRegion); + REGION_UNINIT(pScreen, &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; + int rc; + + 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; + 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; jnumSaved; j++) + { + pWin = SaveSetWindow(client->saveSet[j]); +#ifdef XFIXES + if (SaveSetToRoot(client->saveSet[j])) + pParent = WindowTable[pWin->drawable.pScreen->myNum]; + 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); + } + } + xfree(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 (POINT_IN_REGION(pWin->drawable.pScreen, &pWin->borderClip, + x, y, &box) + && (!wInputShape(pWin) || + POINT_IN_REGION(pWin->drawable.pScreen, + wInputShape(pWin), + x - pWin->drawable.x, + y - pWin->drawable.y, &box))) + return(TRUE); + return(FALSE); +} + + +RegionPtr +NotClippedByChildren(WindowPtr pWin) +{ + ScreenPtr pScreen; + RegionPtr pReg; + + pScreen = pWin->drawable.pScreen; + pReg = REGION_CREATE(pScreen, NullBox, 1); + if (pWin->parent || + screenIsSaved != SCREEN_SAVER_ON || + !HasSaverWindow (pWin->drawable.pScreen->myNum)) + { + REGION_INTERSECT(pScreen, pReg, &pWin->borderClip, &pWin->winSize); + } + return(pReg); +} + +void +SendVisibilityNotify(WindowPtr pWin) +{ + xEvent event; +#ifndef NO_XINERAMA_PORT + unsigned int visibility = pWin->visibility; +#endif + 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(i = 0; i < PanoramiXNumScreens; 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(i = 0; i < PanoramiXNumScreens; 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 + +#ifndef NOLOGOHACK +static void DrawLogo( + WindowPtr pWin +); +#endif + +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++) + { + if (on == SCREEN_SAVER_FORCER) + (* screenInfo.screens[i]->SaveScreen) (screenInfo.screens[i], on); + if (savedScreenInfo[i].ExternalScreenSaver) + { + if ((*savedScreenInfo[i].ExternalScreenSaver) + (screenInfo.screens[i], type, on == SCREEN_SAVER_FORCER)) + continue; + } + if (type == screenIsSaved) + continue; + switch (type) { + case SCREEN_SAVER_OFF: + if (savedScreenInfo[i].blanked == SCREEN_IS_BLANKED) + { + (* screenInfo.screens[i]->SaveScreen) (screenInfo.screens[i], + what); + } + else if (HasSaverWindow (i)) + { + savedScreenInfo[i].pWindow = NullWindow; + FreeResource(savedScreenInfo[i].wid, RT_NONE); + } + break; + case SCREEN_SAVER_CYCLE: + if (savedScreenInfo[i].blanked == SCREEN_IS_TILED) + { + WindowPtr pWin = savedScreenInfo[i].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; +#ifndef NOLOGOHACK + if (logoScreenSaver) + (*pWin->drawable.pScreen->ClearToBackground)(pWin, 0, 0, 0, 0, FALSE); +#endif + (*pWin->drawable.pScreen->MoveWindow)(pWin, + (short)(-(rand() % RANDOM_WIDTH)), + (short)(-(rand() % RANDOM_WIDTH)), + pWin->nextSib, VTMove); +#ifndef NOLOGOHACK + if (logoScreenSaver) + DrawLogo(pWin); +#endif + screenIsSaved = SCREEN_SAVER_ON; + } + /* + * Call the DDX saver in case it wants to do something + * at cycle time + */ + else if (savedScreenInfo[i].blanked == SCREEN_IS_BLANKED) + { + (* screenInfo.screens[i]->SaveScreen) (screenInfo.screens[i], + type); + } + break; + case SCREEN_SAVER_ON: + if (ScreenSaverBlanking != DontPreferBlanking) + { + if ((* screenInfo.screens[i]->SaveScreen) + (screenInfo.screens[i], what)) + { + savedScreenInfo[i].blanked = SCREEN_IS_BLANKED; + continue; + } + if ((ScreenSaverAllowExposures != DontAllowExposures) && + TileScreenSaver(i, SCREEN_IS_BLACK)) + { + savedScreenInfo[i].blanked = SCREEN_IS_BLACK; + continue; + } + } + if ((ScreenSaverAllowExposures != DontAllowExposures) && + TileScreenSaver(i, SCREEN_IS_TILED)) + { + savedScreenInfo[i].blanked = SCREEN_IS_TILED; + } + else + savedScreenInfo[i].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(int i, 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 (WindowTable[i]->backgroundState) { + case BackgroundPixel: + attributes[attri++] = WindowTable[i]->background.pixel; + mask |= CWBackPixel; + break; + case BackgroundPixmap: + attributes[attri++] = None; + mask |= CWBackPixmap; + break; + default: + break; + } + break; + case SCREEN_IS_BLACK: + attributes[attri++] = WindowTable[i]->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 = xalloc( BitmapBytePad(32)*16); + mskbits = xalloc( BitmapBytePad(32)*16); + if (!srcbits || !mskbits) + { + xfree(srcbits); + xfree(mskbits); + cursor = 0; + } + else + { + for (j=0; jwidth + RANDOM_WIDTH, + (unsigned short)screenInfo.screens[i]->height + RANDOM_WIDTH, + 0, InputOutput, mask, attributes, 0, serverClient, + wVisual (WindowTable[i]), &result); + + if (cursor) + FreeResource (cursorID, RT_NONE); + + if (!pWin) + return FALSE; + + if (!AddResource(pWin->drawable.id, RT_WINDOW, + (pointer)savedScreenInfo[i].pWindow)) + return FALSE; + + if (mask & CWBackPixmap) + { + MakeRootTile (pWin); + (*pWin->drawable.pScreen->ChangeWindowAttributes)(pWin, CWBackPixmap); + } + MapWindow(pWin, serverClient); +#ifndef NOLOGOHACK + if (kind == SCREEN_IS_TILED && logoScreenSaver) + DrawLogo(pWin); +#endif + 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 = xalloc (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; + + xfree(pNode); + goto out; + } + + } else + { + /* no device cursor yet */ + DevCursNodePtr pNewNode; + + if (!pCursor) + return Success; + + pNewNode = xalloc(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. loop needs to cont. */ + { + } 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; +} + +#ifndef NOLOGOHACK +static void +DrawLogo(WindowPtr pWin) +{ + DrawablePtr pDraw; + ScreenPtr pScreen; + int x, y; + unsigned int width, height, size; + GC *pGC; + int rc, thin, gap, d31; + DDXPointRec poly[4]; + ChangeGCVal fore[2], back[2]; + xrgb rgb[2]; + BITS32 fmask, bmask; + ColormapPtr cmap; + + pDraw = (DrawablePtr)pWin; + pScreen = pDraw->pScreen; + x = -pWin->origin.x; + y = -pWin->origin.y; + width = pScreen->width; + height = pScreen->height; + pGC = GetScratchGC(pScreen->rootDepth, pScreen); + if (!pGC) + return; + + if ((rand() % 100) <= 17) /* make the probability for white fairly low */ + fore[0].val = pScreen->whitePixel; + else + fore[0].val = pScreen->blackPixel; + if (pWin->backgroundState == BackgroundPixel) { + rc = dixLookupResourceByType((pointer *)&cmap, wColormap(pWin), + RT_COLORMAP, serverClient, DixReadAccess); + if (rc == Success) { + Pixel querypixels[2]; + + querypixels[0] = fore[0].val; + querypixels[1] = pWin->background.pixel; + QueryColors(cmap, 2, querypixels, rgb); + if ((rgb[0].red == rgb[1].red) && + (rgb[0].green == rgb[1].green) && + (rgb[0].blue == rgb[1].blue)) { + if (fore[0].val == pScreen->blackPixel) + fore[0].val = pScreen->whitePixel; + else + fore[0].val = pScreen->blackPixel; + } + } + } + fore[1].val = FillSolid; + fmask = GCForeground|GCFillStyle; + if (pWin->backgroundState == BackgroundPixel) { + back[0].val = pWin->background.pixel; + back[1].val = FillSolid; + bmask = GCForeground|GCFillStyle; + } else { + back[0].val = 0; + back[1].val = 0; + dixChangeGC(NullClient, pGC, GCTileStipXOrigin|GCTileStipYOrigin, + NULL, back); + back[0].val = FillTiled; + back[1].ptr = pWin->background.pixmap; + bmask = GCFillStyle|GCTile; + } + + /* should be the same as the reference function XmuDrawLogo() */ + + size = width; + if (height < width) + size = height; + size = RANDOM_WIDTH + rand() % (size - RANDOM_WIDTH); + size &= ~1; + x += rand() % (width - size); + y += rand() % (height - size); + +/* + * Draw what will be the thin strokes. + * + * ----- + * / / + * / / + * / / + * / / + * /____/ + * d + * + * Point d is 9/44 (~1/5) of the way across. + */ + + thin = (size / 11); + if (thin < 1) thin = 1; + gap = (thin+3) / 4; + d31 = thin + thin + gap; + poly[0].x = x + size; poly[0].y = y; + poly[1].x = x + size-d31; poly[1].y = y; + poly[2].x = x + 0; poly[2].y = y + size; + poly[3].x = x + d31; poly[3].y = y + size; + dixChangeGC(NullClient, pGC, fmask, NULL, fore); + ValidateGC(pDraw, pGC); + (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); + +/* + * Erase area not needed for lower thin stroke. + * + * ------ + * / / + * / __ / + * / / / + * / / / + * /__/__/ + */ + + poly[0].x = x + d31/2; poly[0].y = y + size; + poly[1].x = x + size / 2; poly[1].y = y + size/2; + poly[2].x = x + (size/2)+(d31-(d31/2)); poly[2].y = y + size/2; + poly[3].x = x + d31; poly[3].y = y + size; + dixChangeGC(NullClient, pGC, bmask, NULL, back); + ValidateGC(pDraw, pGC); + (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); + +/* + * Erase area not needed for upper thin stroke. + * + * ------ + * / / / + * /--/ / + * / / + * / / + * /_____/ + */ + + poly[0].x = x + size - d31/2; poly[0].y = y; + poly[1].x = x + size / 2; poly[1].y = y + size/2; + poly[2].x = x + (size/2)-(d31-(d31/2)); poly[2].y = y + size/2; + poly[3].x = x + size - d31; poly[3].y = y; + ValidateGC(pDraw, pGC); + (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); + +/* + * Draw thick stroke. + * Point b is 1/4 of the way across. + * + * b + * ----- + * \ \ + * \ \ + * \ \ + * \ \ + * \____\ + */ + + poly[0].x = x; poly[0].y = y; + poly[1].x = x + size/4; poly[1].y = y; + poly[2].x = x + size; poly[2].y = y + size; + poly[3].x = x + size - size/4; poly[3].y = y + size; + dixChangeGC(NullClient, pGC, fmask, NULL, fore); + ValidateGC(pDraw, pGC); + (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); + +/* + * Erase to create gap. + * + * / + * / + * / + * / + * / + */ + + poly[0].x = x + size- thin; poly[0].y = y; + poly[1].x = x + size-( thin+gap); poly[1].y = y; + poly[2].x = x + thin; poly[2].y = y + size; + poly[3].x = x + thin + gap; poly[3].y = y + size; + dixChangeGC(NullClient, pGC, bmask, NULL, back); + ValidateGC(pDraw, pGC); + (*pGC->ops->FillPolygon)(pDraw, pGC, Convex, CoordModeOrigin, 4, poly); + + FreeScratchGC(pGC); +} + +#endif -- cgit v1.2.3