/* $XdotOrg: xc/programs/Xserver/dix/window.c,v 1.12 2005/07/03 08:53:38 daniels Exp $ */ /* $Xorg: window.c,v 1.4 2001/02/09 02:04:41 xorgcvs Exp $ */ /* Copyright 1987, 1998 The Open Group Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of The Open Group shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from The Open Group. Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts, All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Digital not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* 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. ******************************************************************/ /* $XFree86: xc/programs/Xserver/dix/window.c,v 3.36 2003/11/14 23:52:50 torrey Exp $ */ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> #endif #include "misc.h" #include "scrnintstr.h" #include "os.h" #include "regionstr.h" #include "validate.h" #include "windowstr.h" #include "input.h" #include "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" #ifdef XAPPGROUP #include <X11/extensions/Xagsrv.h> #endif #ifdef XCSECURITY #define _SECURITY_SERVER #include <X11/extensions/security.h> #endif /****** * Window stuff for server * * CreateRootWindow, CreateWindow, ChangeWindowAttributes, * GetWindowAttributes, DeleteWindow, DestroySubWindows, * HandleSaveSet, ReparentWindow, MapWindow, MapSubWindows, * UnmapWindow, UnmapSubWindows, ConfigureWindow, CirculateWindow, * ******/ static unsigned char _back_lsb[4] = {0x88, 0x22, 0x44, 0x11}; static unsigned char _back_msb[4] = {0x11, 0x44, 0x22, 0x88}; int screenIsSaved = SCREEN_SAVER_OFF; ScreenSaverStuffRec savedScreenInfo[MAXSCREENS]; #if 0 extern void DeleteWindowFromAnyEvents(); extern Mask EventMaskForClient(); extern void WindowHasNewCursor(); extern void RecalculateDeliverableEvents(); #endif 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)) int numSaveUndersViewable = 0; int deltaSaveUndersViewable = 0; #ifdef DEBUG /****** * PrintWindowTree * For debugging only ******/ int PrintChildren(WindowPtr p1, int indent) { WindowPtr p2; int i; while (p1) { p2 = p1->firstChild; for (i=0; i<indent; i++) ErrorF( " "); ErrorF( "%x\n", p1->drawable.id); miPrintRegion(&p1->clipList); PrintChildren(p2, indent+4); p1 = p1->nextSib; } } PrintWindowTree() { int i; WindowPtr pWin, p1; for (i=0; i<screenInfo.numScreens; i++) { ErrorF( "WINDOW %d\n", i); pWin = WindowTable[i]; miPrintRegion(&pWin->clipList); p1 = pWin->firstChild; PrintChildren(p1, 4); } } #endif int TraverseTree(register WindowPtr pWin, VisitWindowProcPtr func, pointer data) { register int result; register 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; /* hack to force no save unders */ Bool disableSaveUnders = FALSE; static void SetWindowToDefaults(register 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; #ifdef NEED_DBE_BUF_BITS pWin->srcBuffer = DBE_FRONT_BUFFER; pWin->dstBuffer = DBE_FRONT_BUFFER; #endif #ifdef COMPOSITE pWin->redirectDraw = 0; #endif } static void MakeRootTile(WindowPtr pWin) { ScreenPtr pScreen = pWin->drawable.pScreen; GCPtr pGC; unsigned char back[128]; int len = BitmapBytePad(sizeof(long)); register unsigned char *from, *to; register int i, j; pWin->background.pixmap = (*pScreen->CreatePixmap)(pScreen, 4, 4, pScreen->rootDepth); 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; if (blackRoot) bzero(back, sizeof(back)); (*pGC->ops->PutImage)((DrawablePtr)pWin->background.pixmap, pGC, 1, 0, 0, len, 4, 0, XYBitmap, (char *)back); FreeScratchGC(pGC); } WindowPtr AllocateWindow(ScreenPtr pScreen) { WindowPtr pWin; register char *ptr; register DevUnion *ppriv; register unsigned *sizes; register unsigned size; register int i; pWin = (WindowPtr)xalloc(pScreen->totalWindowSize); if (pWin) { ppriv = (DevUnion *)(pWin + 1); pWin->devPrivates = ppriv; sizes = pScreen->WindowPrivateSizes; ptr = (char *)(ppriv + pScreen->WindowPrivateLen); for (i = pScreen->WindowPrivateLen; --i >= 0; ppriv++, sizes++) { if ( (size = *sizes) ) { ppriv->ptr = (pointer)ptr; ptr += size; } else ppriv->ptr = (pointer)NULL; } } return pWin; } /***** * CreateRootWindow * Makes a window at initialization time for specified screen *****/ Bool CreateRootWindow(ScreenPtr pScreen) { WindowPtr pWin; BoxRec box; PixmapFormatRec *format; pWin = AllocateWindow(pScreen); 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->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 = (WindowOptRec *) 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; #ifdef SHAPE pWin->optional->boundingShape = NULL; pWin->optional->clipShape = NULL; pWin->optional->inputShape = NULL; #endif #ifdef XINPUT pWin->optional->inputMasks = NULL; #endif 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; if (!AddResource(pWin->drawable.id, RT_WINDOW, (pointer)pWin)) return FALSE; if (disableBackingStore) pScreen->backingStoreSupport = NotUseful; if (enableBackingStore) pScreen->backingStoreSupport = Always; #ifdef DO_SAVE_UNDERS if ((pScreen->backingStoreSupport != NotUseful) && (pScreen->saveUnderSupport == NotUseful)) { /* * If the screen has backing-store but no save-unders, let the * clients know we can support save-unders using backing-store. */ pScreen->saveUnderSupport = USE_DIX_SAVE_UNDERS; } #endif /* DO_SAVE_UNDERS */ if (disableSaveUnders) pScreen->saveUnderSupport = NotUseful; return TRUE; } void InitRootWindow(WindowPtr pWin) { ScreenPtr pScreen = pWin->drawable.pScreen; if (!(*pScreen->CreateWindow)(pWin)) return; /* XXX */ (*pScreen->PositionWindow)(pWin, 0, 0); pWin->cursorIsNone = FALSE; pWin->optional->cursor = rootCursor; rootCursor->refcnt++; MakeRootTile(pWin); pWin->backingStore = defaultBackingStore; pWin->forcedBS = (defaultBackingStore != NotUseful); /* We SHOULD check for an error value here XXX */ (*pScreen->ChangeWindowAttributes)(pWin, CWBackPixmap|CWBorderPixel|CWCursor|CWBackingStore); 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. */ void ClippedRegionFromBox(register WindowPtr pWin, RegionPtr Rgn, register int x, register int y, register int w, register int h) { ScreenPtr pScreen = pWin->drawable.pScreen; BoxRec box; 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); } WindowPtr RealChildHead(register WindowPtr 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, register WindowPtr pParent, int x, int y, unsigned w, unsigned h, unsigned bw, unsigned class, register Mask vmask, XID *vlist, int depth, ClientPtr client, VisualID visual, int *error) { register WindowPtr pWin; WindowPtr pHead; register ScreenPtr pScreen; xEvent event; int idepth, ivisual; Bool fOK; DepthPtr pDepth; PixmapFormatRec *format; register 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) { #ifdef XAPPGROUP VisualID ag_visual; if (client->appgroup && !pParent->parent && (ag_visual = XagRootVisual (client))) visual = ag_visual; else #endif 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 = AllocateWindow(pScreen); if (!pWin) { *error = BadAlloc; return NullWindow; } pWin->drawable = pParent->drawable; pWin->drawable.depth = depth; if (depth == pParent->drawable.depth) pWin->drawable.bitsPerPixel = pParent->drawable.bitsPerPixel; else { for (format = screenInfo.formats; format->depth != depth; format++) ; pWin->drawable.bitsPerPixel = format->bitsPerPixel; } if (class == InputOnly) pWin->drawable.type = (short) UNDRAWABLE_WINDOW; pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER; pWin->drawable.id = wid; pWin->drawable.class = class; pWin->parent = pParent; SetWindowToDefaults(pWin); if (visual != ancwopt->visual) { if (!MakeWindowOptional (pWin)) { xfree (pWin); *error = BadAlloc; return NullWindow; } pWin->optional->visual = visual; pWin->optional->colormap = None; } pWin->borderWidth = bw; #ifdef XCSECURITY /* can't let untrusted clients have background None windows; * they make it too easy to steal window contents */ if (client->trustLevel != XSecurityClientTrusted) { pWin->backgroundState = BackgroundPixel; pWin->background.pixel = 0; } else #endif pWin->backgroundState = None; 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 FreeWindowResources(register WindowPtr pWin) { register 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); #ifdef SHAPE if (wBoundingShape (pWin)) REGION_DESTROY(pScreen, wBoundingShape (pWin)); if (wClipShape (pWin)) REGION_DESTROY(pScreen, wClipShape (pWin)); if (wInputShape (pWin)) REGION_DESTROY(pScreen, wInputShape (pWin)); #endif 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) { register 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; #ifdef DO_SAVE_UNDERS if (pChild->saveUnder && pChild->viewable) deltaSaveUndersViewable--; #endif pChild->viewable = FALSE; if (pChild->realized) { pChild->realized = FALSE; (*UnrealizeWindow)(pChild); } FreeWindowResources(pChild); 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) { register WindowPtr pParent; register 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(pWin); return Success; } void DestroySubwindows(register 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) FreeResource(pWin->lastChild->drawable.id, RT_NONE); } #define DeviceEventMasks (KeyPressMask | KeyReleaseMask | ButtonPressMask | \ ButtonReleaseMask | PointerMotionMask) /***** * 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(register WindowPtr pWin, Mask vmask, XID *vlist, ClientPtr client) { register Mask index2; register XID *pVlist; PixmapPtr pPixmap; Pixmap pixID; CursorPtr pCursor, pOldCursor; Cursor cursorID; WindowPtr pChild; Colormap cmap; ColormapPtr pCmap; xEvent xE; int result; register ScreenPtr pScreen; Mask vmaskCopy = 0; register Mask tmask; unsigned int val; int error; Bool checkOptional = FALSE; Bool borderRelative = FALSE; WindowPtr pLayerWin; 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) { #ifdef XCSECURITY /* can't let untrusted clients have background None windows */ if (client->trustLevel == XSecurityClientTrusted) { #endif if (pWin->backgroundState == BackgroundPixmap) (*pScreen->DestroyPixmap)(pWin->background.pixmap); if (!pWin->parent) MakeRootTile(pWin); else pWin->backgroundState = None; #ifdef XCSECURITY } else { /* didn't change the background to None, so don't tell ddx */ index2 = 0; } #endif } 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 { pPixmap = (PixmapPtr)SecurityLookupIDByType(client, pixID, RT_PIXMAP, SecurityReadAccess); if (pPixmap != (PixmapPtr) NULL) { 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 = BadPixmap; 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->borderIsPixel == FALSE) (*pScreen->DestroyPixmap)(pWin->border.pixmap); pWin->border = pWin->parent->border; if ((pWin->borderIsPixel = pWin->parent->borderIsPixel) == TRUE) { index2 = CWBorderPixel; } else { pWin->parent->border.pixmap->refcnt++; } } else { pPixmap = (PixmapPtr)SecurityLookupIDByType(client, pixID, RT_PIXMAP, SecurityReadAccess); if (pPixmap) { 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 = BadPixmap; 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; } #ifdef DO_SAVE_UNDERS if (pWin->parent && (pWin->saveUnder != val) && (pWin->viewable) && DO_SAVE_UNDERS(pWin)) { /* * Re-check all siblings and inferiors for obscurity or * exposition (hee hee). */ if (pWin->saveUnder) deltaSaveUndersViewable--; else deltaSaveUndersViewable++; pWin->saveUnder = val; if (pWin->firstChild) { pLayerWin = (*pScreen->GetLayerWindow)(pWin); if ((*pScreen->ChangeSaveUnder)(pLayerWin->parent, pWin->nextSib)) (*pScreen->PostChangeSaveUnder)(pLayerWin->parent, pWin->nextSib); } else { if ((*pScreen->ChangeSaveUnder)(pWin, pWin->nextSib)) (*pScreen->PostChangeSaveUnder)(pWin, pWin->nextSib); } } else { /* If we're changing the saveUnder attribute of the root * window, all we do is set pWin->saveUnder so that * GetWindowAttributes returns the right value. We don't * do the "normal" save-under processing (as above). * Hope that doesn't cause any problems. */ pWin->saveUnder = val; } #else pWin->saveUnder = val; #endif /* DO_SAVE_UNDERS */ break; case CWEventMask: result = EventSelectForWindow(pWin, client, (Mask )*pVlist); if (result) { error = result; goto PatchUp; } pVlist++; break; case CWDontPropagate: result = EventSuppressForWindow(pWin, client, (Mask )*pVlist, &checkOptional); if (result) { error = result; goto PatchUp; } pVlist++; break; case CWOverrideRedirect: val = (BOOL ) *pVlist; pVlist++; if ((val != xTrue) && (val != xFalse)) { error = BadValue; client->errorValue = val; goto PatchUp; } pWin->overrideRedirect = val; break; case CWColormap: cmap = (Colormap) *pVlist; pVlist++; if (cmap == CopyFromParent) { #ifdef XAPPGROUP Colormap ag_colormap; ClientPtr win_owner; /* * win_owner == client for CreateWindow, other clients * can ChangeWindowAttributes */ win_owner = clients[CLIENT_ID(pWin->drawable.id)]; if ( win_owner && win_owner->appgroup && !pWin->parent->parent && (ag_colormap = XagDefaultColormap (win_owner))) cmap = ag_colormap; else #endif 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; } pCmap = (ColormapPtr)SecurityLookupIDByType(client, cmap, RT_COLORMAP, SecurityReadAccess); if (!pCmap) { error = BadColor; 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 { pCursor = (CursorPtr)SecurityLookupIDByType(client, cursorID, RT_CURSOR, SecurityReadAccess); if (!pCursor) { error = BadCursor; 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); (*pWin->drawable.pScreen->PaintWindowBorder)(pWin, &exposed, PW_BORDER); REGION_UNINIT(pScreen, &exposed); } return error; } /***** * GetWindowAttributes * Notice that this is different than ChangeWindowAttributes *****/ void GetWindowAttributes(register 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 = (sizeof(xGetWindowAttributesReply) - sizeof(xGenericReply)) >> 2; 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(register WindowPtr pWin, register WindowPtr pNextSib) { register 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 ); } RegionPtr CreateUnclippedWinSize (register WindowPtr pWin) { RegionPtr pRgn; BoxRec box; box.x1 = pWin->drawable.x; box.y1 = pWin->drawable.y; box.x2 = pWin->drawable.x + (int) pWin->drawable.width; box.y2 = pWin->drawable.y + (int) pWin->drawable.height; pRgn = REGION_CREATE(pWin->drawable.pScreen, &box, 1); #ifdef SHAPE if (wBoundingShape (pWin) || wClipShape (pWin)) { ScreenPtr pScreen = pWin->drawable.pScreen; REGION_TRANSLATE(pScreen, pRgn, - pWin->drawable.x, - pWin->drawable.y); if (wBoundingShape (pWin)) REGION_INTERSECT(pScreen, pRgn, pRgn, wBoundingShape (pWin)); if (wClipShape (pWin)) REGION_INTERSECT(pScreen, pRgn, pRgn, wClipShape (pWin)); REGION_TRANSLATE(pScreen, pRgn, pWin->drawable.x, pWin->drawable.y); } #endif return pRgn; } void SetWinSize (register WindowPtr pWin) { #ifdef COMPOSITE if (pWin->redirectDraw) { BoxRec box; 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); #ifdef SHAPE if (wBoundingShape (pWin) || wClipShape (pWin)) { ScreenPtr 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); } #endif } void SetBorderSize (register WindowPtr pWin) { int bw; if (HasBorder (pWin)) { bw = wBorderWidth (pWin); #ifdef COMPOSITE if (pWin->redirectDraw) { BoxRec box; 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))); #ifdef SHAPE if (wBoundingShape (pWin)) { ScreenPtr 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); } #endif } 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 (register int x, register int y, int oldx, int oldy, int dw, int dh, unsigned gravity, register int *destx, register 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(register WindowPtr pWin, int dx, int dy, int dw, int dh) { register ScreenPtr pScreen; register 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( register WindowPtr pMe, register WindowPtr pSib) { register 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( register WindowPtr pWin, register 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); } #ifdef SHAPE #define IS_SHAPED(pWin) (wBoundingShape (pWin) != (RegionPtr) NULL) static RegionPtr MakeBoundingRegion ( register WindowPtr pWin, BoxPtr pBox) { RegionPtr pRgn; ScreenPtr 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; register 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; } #endif static Bool AnyWindowOverlapsMe( WindowPtr pWin, WindowPtr pHead, register BoxPtr box) { register WindowPtr pSib; BoxRec sboxrec; register BoxPtr sbox; for (pSib = pWin->prevSib; pSib != pHead; pSib = pSib->prevSib) { if (pSib->mapped) { sbox = WindowExtents(pSib, &sboxrec); if (BOXES_OVERLAP(sbox, box) #ifdef SHAPE && ShapeOverlap (pWin, box, pSib, sbox) #endif ) return(TRUE); } } return(FALSE); } static Bool IOverlapAnyWindow( WindowPtr pWin, register BoxPtr box) { register WindowPtr pSib; BoxRec sboxrec; register BoxPtr sbox; for (pSib = pWin->nextSib; pSib; pSib = pSib->nextSib) { if (pSib->mapped) { sbox = WindowExtents(pSib, &sboxrec); if (BOXES_OVERLAP(sbox, box) #ifdef SHAPE && ShapeOverlap (pWin, box, pSib, sbox) #endif ) 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( register WindowPtr pWin, register WindowPtr pSib, short x, short y, unsigned short w, unsigned short h, int smode) { BoxRec box; register 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)) && !permitOldBugs) 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)) && !permitOldBugs) 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)) && !permitOldBugs) 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: { ErrorF("Internal error in ConfigureWindow, smode == %d\n",smode ); return pWin->nextSib; } } } static void ReflectStackChange( register WindowPtr pWin, register WindowPtr pSib, VTKind kind) { /* Note that pSib might be NULL */ Bool WasViewable = (Bool)pWin->viewable; Bool anyMarked; WindowPtr pFirstChange; #ifdef DO_SAVE_UNDERS Bool dosave = FALSE; #endif 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; #ifdef DO_SAVE_UNDERS if (DO_SAVE_UNDERS(pWin)) { dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pFirstChange); } #endif /* DO_SAVE_UNDERS */ if (anyMarked) { (*pScreen->ValidateTree)(pLayerWin->parent, pFirstChange, kind); (*pScreen->HandleExposures)(pLayerWin->parent); } #ifdef DO_SAVE_UNDERS if (dosave) (*pScreen->PostChangeSaveUnder)(pLayerWin, pFirstChange); #endif /* DO_SAVE_UNDERS */ if (anyMarked && pWin->drawable.pScreen->PostValidateTree) (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange, kind); } if (pWin->realized) WindowsRestructured (); } /***** * ConfigureWindow *****/ int ConfigureWindow(register WindowPtr pWin, register Mask mask, XID *vlist, ClientPtr client) { #define RESTACK_WIN 0 #define MOVE_WIN 1 #define RESIZE_WIN 2 #define REBORDER_WIN 3 register WindowPtr pSib = NullWindow; register WindowPtr pParent = pWin->parent; Window sibwid = 0; Mask index2, tmask; register XID *pVlist; short x, y, beforeX, beforeY; unsigned short w = pWin->drawable.width, h = pWin->drawable.height, bw = pWin->borderWidth; int action, smode = Above; #ifdef XAPPGROUP ClientPtr win_owner; ClientPtr ag_leader = NULL; #endif 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++; pSib = (WindowPtr )SecurityLookupIDByType(client, sibwid, RT_WINDOW, SecurityReadAccess); if (!pSib) { client->errorValue = sibwid; return(BadWindow); } 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; #ifdef XAPPGROUP win_owner = clients[CLIENT_ID(pWin->drawable.id)]; ag_leader = XagLeader (win_owner); #endif if ((!pWin->overrideRedirect) && (RedirectSend(pParent) #ifdef XAPPGROUP || (win_owner->appgroup && ag_leader && XagIsControlledRoot (client, pParent)) #endif )) { 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; #ifdef XAPPGROUP /* make sure if the ag_leader maps the window it goes to the wm */ if (ag_leader && ag_leader != client && XagIsControlledRoot (client, pParent)) { event.u.configureRequest.parent = XagId (win_owner); (void) TryClientEvents (ag_leader, &event, 1, NoEventMask, NoEventMask, NullGrab); return Success; } #endif 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) { register 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(register WindowPtr pWin, register WindowPtr pParent, int x, int y, ClientPtr client) { WindowPtr pPrev, pPriorParent; Bool WasMapped = (Bool)(pWin->mapped); xEvent event; int bw = wBorderWidth (pWin); register 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) { register WindowPtr pChild; RealizeWindowProcPtr Realize; Realize = pWin->drawable.pScreen->RealizeWindow; pChild = pWin; while (1) { if (pChild->mapped) { pChild->realized = TRUE; #ifdef DO_SAVE_UNDERS if (pChild->saveUnder) deltaSaveUndersViewable++; #endif 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; } } /***** * 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(register WindowPtr pWin, ClientPtr client) { register ScreenPtr pScreen; register WindowPtr pParent; #ifdef DO_SAVE_UNDERS Bool dosave = FALSE; #endif WindowPtr pLayerWin; if (pWin->mapped) return(Success); #ifdef XCSECURITY /* don't let an untrusted client map a child-of-trusted-window, InputOnly * window; too easy to steal device input */ if ( (client->trustLevel != XSecurityClientTrusted) && (pWin->drawable.class == InputOnly) && (wClient(pWin->parent)->trustLevel == XSecurityClientTrusted) ) return Success; #endif pScreen = pWin->drawable.pScreen; if ( (pParent = pWin->parent) ) { xEvent event; Bool anyMarked; #ifdef XAPPGROUP ClientPtr win_owner = clients[CLIENT_ID(pWin->drawable.id)]; ClientPtr ag_leader = XagLeader (win_owner); #endif if ((!pWin->overrideRedirect) && (RedirectSend(pParent) #ifdef XAPPGROUP || (win_owner->appgroup && ag_leader && XagIsControlledRoot (client, pParent)) #endif )) { memset(&event, 0, sizeof(xEvent)); event.u.u.type = MapRequest; event.u.mapRequest.window = pWin->drawable.id; #ifdef XAPPGROUP /* make sure if the ag_leader maps the window it goes to the wm */ if (ag_leader && ag_leader != client && XagIsControlledRoot (client, pParent)) { event.u.mapRequest.parent = XagId (win_owner); (void) TryClientEvents (ag_leader, &event, 1, NoEventMask, NoEventMask, NullGrab); return Success; } #endif event.u.mapRequest.parent = pParent->drawable.id; if (MaybeDeliverEventsToClient(pParent, &event, 1, SubstructureRedirectMask, client) == 1) return(Success); } pWin->mapped = TRUE; if (SubStrSend(pWin, pParent)) { 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); #ifdef DO_SAVE_UNDERS if (DO_SAVE_UNDERS(pWin)) { dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pWin->nextSib); } #endif /* DO_SAVE_UNDERS */ if (anyMarked) { (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTMap); (*pScreen->HandleExposures)(pLayerWin->parent); } #ifdef DO_SAVE_UNDERS if (dosave) (*pScreen->PostChangeSaveUnder)(pLayerWin, pWin->nextSib); #endif /* DO_SAVE_UNDERS */ 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(register WindowPtr pParent, ClientPtr client) { register WindowPtr pWin; WindowPtr pFirstMapped = NullWindow; #ifdef DO_SAVE_UNDERS WindowPtr pFirstSaveUndered = NullWindow; #endif register ScreenPtr pScreen; register Mask parentRedirect; register Mask parentNotify; xEvent event; Bool anyMarked; #ifdef DO_SAVE_UNDERS Bool dosave = FALSE; #endif 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); #ifdef DO_SAVE_UNDERS if (DO_SAVE_UNDERS(pWin)) { dosave = TRUE; } #endif /* DO_SAVE_UNDERS */ } } } } if (pFirstMapped) { pLayerWin = (*pScreen->GetLayerWindow)(pParent); if (pLayerWin->parent != pParent) { anyMarked |= (*pScreen->MarkOverlappedWindows)(pLayerWin, pLayerWin, (WindowPtr *)NULL); pFirstMapped = pLayerWin; } if (anyMarked) { #ifdef DO_SAVE_UNDERS if (pLayerWin->parent != pParent) { if (dosave || (DO_SAVE_UNDERS(pLayerWin))) { dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pLayerWin); } } else if (dosave) { dosave = FALSE; for (pWin = pParent->firstChild; pWin; pWin = pWin->nextSib) { if (DO_SAVE_UNDERS(pWin)) { dosave |= (*pScreen->ChangeSaveUnder)(pWin, pWin->nextSib); if (dosave && !pFirstSaveUndered) pFirstSaveUndered = pWin; } } } #endif /* DO_SAVE_UNDERS */ (*pScreen->ValidateTree)(pLayerWin->parent, pFirstMapped, VTMap); (*pScreen->HandleExposures)(pLayerWin->parent); } #ifdef DO_SAVE_UNDERS if (dosave) (*pScreen->PostChangeSaveUnder)(pLayerWin, pFirstSaveUndered->nextSib); #endif /* DO_SAVE_UNDERS */ if (anyMarked && pScreen->PostValidateTree) (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstMapped, VTMap); WindowsRestructured (); } } static void UnrealizeTree( WindowPtr pWin, Bool fromConfigure) { register WindowPtr pChild; UnrealizeWindowProcPtr Unrealize; MarkUnrealizedWindowProcPtr MarkUnrealizedWindow; Unrealize = pWin->drawable.pScreen->UnrealizeWindow; MarkUnrealizedWindow = pWin->drawable.pScreen->MarkUnrealizedWindow; pChild = pWin; while (1) { if (pChild->realized) { pChild->realized = FALSE; pChild->visibility = VisibilityNotViewable; #ifdef PANORAMIX if(!noPanoramiXExtension && !pChild->drawable.pScreen->myNum) { PanoramiXRes *win; win = (PanoramiXRes*)LookupIDByType(pChild->drawable.id, XRT_WINDOW); if(win) win->u.win.visibility = VisibilityNotViewable; } #endif (* Unrealize)(pChild); DeleteWindowFromAnyEvents(pChild, FALSE); if (pChild->viewable) { #ifdef DO_SAVE_UNDERS if (pChild->saveUnder) deltaSaveUndersViewable--; #endif pChild->viewable = FALSE; if (pChild->backStorage) (*pChild->drawable.pScreen->SaveDoomedAreas)( pChild, &pChild->clipList, 0, 0); (* 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(register WindowPtr pWin, Bool fromConfigure) { register 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)) { 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); } #ifdef DO_SAVE_UNDERS if (DO_SAVE_UNDERS(pWin)) { if ( (*pScreen->ChangeSaveUnder)(pLayerWin, pWin->nextSib) ) { (*pScreen->PostChangeSaveUnder)(pLayerWin, pWin->nextSib); } } pWin->DIXsaveUnder = FALSE; #endif /* DO_SAVE_UNDERS */ 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(register WindowPtr pWin) { register 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) { #ifdef DO_SAVE_UNDERS pChild->DIXsaveUnder = FALSE; #endif /* DO_SAVE_UNDERS */ if (pChild->backStorage) (*pScreen->SaveDoomedAreas)( pChild, &pChild->clipList, 0, 0); } } } 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); } #ifdef DO_SAVE_UNDERS if (DO_SAVE_UNDERS(pWin)) { if ( (*pScreen->ChangeSaveUnder)(pLayerWin, pLayerWin)) (*pScreen->PostChangeSaveUnder)(pLayerWin, pLayerWin); } #endif /* DO_SAVE_UNDERS */ if (anyMarked && pScreen->PostValidateTree) (*pScreen->PostValidateTree)(pLayerWin->parent, pHead, VTUnmap); } if (wasRealized) WindowsRestructured (); } void HandleSaveSet(register ClientPtr client) { register WindowPtr pParent, pWin; register int j; for (j=0; j<client->numSaved; 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) { 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 (SaveSetRemap (client->saveSet[j])) #endif MapWindow(pWin, client); } } xfree(client->saveSet); client->numSaved = 0; client->saveSet = (SaveSetElt *)NULL; } /** * * \param x,y in root * \param box "return" value */ Bool VisibleBoundingBoxFromPoint(register WindowPtr pWin, int x, int y, BoxPtr box) { if (!pWin->realized) return (FALSE); if (POINT_IN_REGION(pWin->drawable.pScreen, &pWin->clipList, x, y, box)) return(TRUE); return(FALSE); } /** * * \param x,y in root */ Bool PointInWindowIsVisible(register 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(register WindowPtr pWin) { register 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 #ifdef PANORAMIX /* This is not quite correct yet, but it's close */ if(!noPanoramiXExtension) { PanoramiXRes *win; WindowPtr pWin2; int 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; pWin2 = (WindowPtr)LookupIDByType(win->info[i].id, RT_WINDOW); if (pWin2) { if(pWin2->visibility == VisibilityPartiallyObscured) return; if(!i) pWin = pWin2; } } break; case VisibilityPartiallyObscured: if(Scrnum) { pWin2 = (WindowPtr)LookupIDByType(win->info[0].id, RT_WINDOW); if (pWin2) pWin = pWin2; } break; case VisibilityFullyObscured: for(i = 0; i < PanoramiXNumScreens; i++) { if(i == Scrnum) continue; pWin2 = (WindowPtr)LookupIDByType(win->info[i].id, RT_WINDOW); if (pWin2) { 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 void SaveScreens(int on, int mode) { int i; int what; int type; if (on == SCREEN_SAVER_FORCER) { UpdateCurrentTimeIf(); lastDeviceEventTime = currentTime; 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++) { 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(); } 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 = (unsigned char *)xalloc( BitmapBytePad(32)*16); mskbits = (unsigned char *)xalloc( BitmapBytePad(32)*16); if (!srcbits || !mskbits) { xfree(srcbits); xfree(mskbits); cursor = 0; } else { for (j=0; j<BitmapBytePad(32)*16; j++) srcbits[j] = mskbits[j] = 0x0; cursor = AllocCursor(srcbits, mskbits, &cm, 0, 0, 0, 0, 0, 0); if (cursor) { cursorID = FakeClientID(0); if (AddResource (cursorID, RT_CURSOR, (pointer) cursor)) { attributes[attri] = cursorID; mask |= CWCursor; } else cursor = 0; } else { xfree (srcbits); xfree (mskbits); } } pWin = savedScreenInfo[i].pWindow = CreateWindow(savedScreenInfo[i].wid, WindowTable[i], -RANDOM_WIDTH, -RANDOM_WIDTH, (unsigned short)screenInfo.screens[i]->width + 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 (register 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 (register WindowPtr w) { register WindowOptPtr optional; register WindowOptPtr parentOptional; if (!w->parent) 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; #ifdef SHAPE if (optional->boundingShape != NULL) return; if (optional->clipShape != NULL) return; if (optional->inputShape != NULL) return; #endif #ifdef XINPUT if (optional->inputMasks != NULL) return; #endif 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 (register WindowPtr pWin) { register WindowOptPtr optional; register WindowOptPtr parentOptional; if (pWin->optional) return TRUE; optional = (WindowOptPtr) 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; #ifdef SHAPE optional->boundingShape = NULL; optional->clipShape = NULL; optional->inputShape = NULL; #endif #ifdef XINPUT optional->inputMasks = NULL; #endif 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; } void DisposeWindowOptional (register WindowPtr pWin) { if (!pWin->optional) return; /* * everything is peachy. Delete the optional record * and clean up */ /* * TOG changed this code to: * * if (pWin->cursorIsNone == FALSE) * FreeCursor (pWin->optional->cursor, (Cursor)0); * pWin->cursorIsNone = TRUE; * * This is blatently wrong; windows without optionals can have * two different cursor values, either None or sharing their * parents cursor. This difference is controlled by the * cursorIsNone value; when TRUE, the window has no cursor, * when false, it shares its cursor with its parent; TOG * made it impossible for a window to have a cursor without * an optional record. */ if (pWin->optional->cursor) { FreeCursor (pWin->optional->cursor, (Cursor)0); pWin->cursorIsNone = FALSE; } else pWin->cursorIsNone = TRUE; xfree (pWin->optional); pWin->optional = NULL; } #ifndef NOLOGOHACK static void DrawLogo(WindowPtr pWin) { DrawablePtr pDraw; ScreenPtr pScreen; int x, y; unsigned int width, height, size; GC *pGC; int 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) && (cmap = (ColormapPtr)LookupIDByType(wColormap (pWin), RT_COLORMAP))) { 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