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IABSD.fr/xenocara/xserver/dix/window.c
matthieu
- xserver/dix/window.c
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/* Copyright (c) 2006, Red Hat, Inc. 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 RED HAT 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 Red Hat shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from Red Hat. Copyright 1987, 1998 The Open Group Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of The Open Group shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from The Open Group. Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts, All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Digital not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* The panoramix components contained the following notice */ /***************************************************************** Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of Digital Equipment Corporation shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from Digital Equipment Corporation. ******************************************************************/ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> #endif #include "misc.h" #include "scrnintstr.h" #include "os.h" #include "regionstr.h" #include "validate.h" #include "windowstr.h" #include "input.h" #include "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 "appgroup.h" #endif #include "privates.h" #include "xace.h" /****** * 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}; _X_EXPORT int screenIsSaved = SCREEN_SAVER_OFF; _X_EXPORT ScreenSaverStuffRec savedScreenInfo[MAXSCREENS]; 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)) _X_EXPORT int numSaveUndersViewable = 0; _X_EXPORT int deltaSaveUndersViewable = 0; #ifdef DEBUG /****** * PrintWindowTree * For debugging only ******/ static void PrintChildren(WindowPtr p1, int indent) { WindowPtr p2; int i; while (p1) { p2 = p1->firstChild; for (i=0; i<indent; i++) ErrorF( " "); ErrorF( "%lx\n", p1->drawable.id); miPrintRegion(&p1->clipList); PrintChildren(p2, indent+4); p1 = p1->nextSib; } } static void PrintWindowTree(void) { int i; WindowPtr pWin, p1; for (i=0; i<screenInfo.numScreens; i++) { ErrorF( "WINDOW %d\n", i); pWin = WindowTable[i]; miPrintRegion(&pWin->clipList); p1 = pWin->firstChild; PrintChildren(p1, 4); } } #endif _X_EXPORT 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. *****/ _X_EXPORT 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(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; } 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 = (WindowPtr)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 = (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; /* 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; #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; 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 (!blackRoot && !whiteRoot) { MakeRootTile(pWin); backFlag |= CWBackPixmap; } else { if (blackRoot) pWin->background.pixel = pScreen->blackPixel; else pWin->background.pixel = pScreen->whitePixel; 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 *****/ _X_EXPORT 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) { #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 = (WindowPtr)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)) { 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; 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); #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) { 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)) { 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); 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)) { 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; } 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; } #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. *****/ _X_EXPORT int ChangeWindowAttributes(WindowPtr pWin, Mask vmask, XID *vlist, ClientPtr client) { XID *pVlist; PixmapPtr pPixmap; Pixmap pixID; CursorPtr pCursor, pOldCursor; Cursor cursorID; WindowPtr pChild, pLayerWin; 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 = dixLookupResource((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 = dixLookupResource((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; } #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: 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) { #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; } rc = dixLookupResource((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 = dixLookupResource((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 = (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); } _X_EXPORT 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 ); } _X_EXPORT RegionPtr CreateUnclippedWinSize (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; 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; } _X_EXPORT 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); #ifdef SHAPE 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); } #endif } _X_EXPORT 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))); #ifdef SHAPE 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); } #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 */ _X_EXPORT 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 */ _X_EXPORT 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); } #ifdef SHAPE #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; } #endif 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) #ifdef SHAPE && ShapeOverlap (pWin, box, pSib, sbox) #endif ) 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) #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( 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; #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(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; #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++; 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; #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 )) { 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; 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)) { 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); 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; #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; } } 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. *****/ _X_EXPORT int MapWindow(WindowPtr pWin, ClientPtr client) { ScreenPtr pScreen; WindowPtr pParent; #ifdef DO_SAVE_UNDERS Bool dosave = FALSE; #endif 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; #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 )) { 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) && MapUnmapEventsEnabled(pWin)) { 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(WindowPtr pParent, ClientPtr client) { WindowPtr pWin; WindowPtr pFirstMapped = NullWindow; #ifdef DO_SAVE_UNDERS WindowPtr pFirstSaveUndered = NullWindow; #endif ScreenPtr pScreen; Mask parentRedirect; 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) { 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)) { 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) { 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); if (MapUnmapEventsEnabled(pWin)) DeleteWindowFromAnyEvents(pChild, FALSE); if (pChild->viewable) { #ifdef DO_SAVE_UNDERS if (pChild->saveUnder) deltaSaveUndersViewable--; #endif 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. *****/ _X_EXPORT 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)) { 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(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) { #ifdef DO_SAVE_UNDERS pChild->DIXsaveUnder = FALSE; #endif /* DO_SAVE_UNDERS */ } } } 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(ClientPtr client) { WindowPtr pParent, pWin; int j; for (j=0; j<client->numSaved; j++) { pWin = SaveSetWindow(client->saveSet[j]); #ifdef XFIXES if (SaveSetToRoot(client->saveSet[j])) pParent = 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 */ 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); } _X_EXPORT 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); } _X_EXPORT 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 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 _X_EXPORT int dixSaveScreens(ClientPtr client, int on, int mode) { int rc, i, what, 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++) { 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; } _X_EXPORT 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 = (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; result = AllocARGBCursor(srcbits, mskbits, NULL, &cm, 0, 0, 0, 0, 0, 0, &cursor, serverClient, (XID)0); if (cursor) { cursorID = FakeClientID(0); if (AddResource (cursorID, RT_CURSOR, (pointer) cursor)) { attributes[attri] = cursorID; mask |= CWCursor; } else cursor = 0; } else { 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. */ _X_EXPORT 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 */ _X_EXPORT void CheckWindowOptionalNeed (WindowPtr w) { WindowOptPtr optional; 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. */ _X_EXPORT Bool MakeWindowOptional (WindowPtr pWin) { WindowOptPtr optional; 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; } #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