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Diffstat (limited to 'xorg-server/dix/window.c')
-rw-r--r--xorg-server/dix/window.c7372
1 files changed, 3686 insertions, 3686 deletions
diff --git a/xorg-server/dix/window.c b/xorg-server/dix/window.c
index 3668370b3..821c815f7 100644
--- a/xorg-server/dix/window.c
+++ b/xorg-server/dix/window.c
@@ -1,3686 +1,3686 @@
-/*
-
-Copyright (c) 2006, Red Hat, Inc.
-
-Permission is hereby granted, free of charge, to any person obtaining a
-copy of this software and associated documentation files (the "Software"),
-to deal in the Software without restriction, including without limitation
-the rights to use, copy, modify, merge, publish, distribute, sublicense,
-and/or sell copies of the Software, and to permit persons to whom the
-Software is furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice (including the next
-paragraph) shall be included in all copies or substantial portions of the
-Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
-
-Copyright 1987, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included
-in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall
-not be used in advertising or otherwise to promote the sale, use or
-other dealings in this Software without prior written authorization
-from The Open Group.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-*/
-
-/* The panoramix components contained the following notice */
-/*****************************************************************
-
-Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
-BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of Digital Equipment Corporation
-shall not be used in advertising or otherwise to promote the sale, use or other
-dealings in this Software without prior written authorization from Digital
-Equipment Corporation.
-
-******************************************************************/
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "misc.h"
-#include "scrnintstr.h"
-#include "os.h"
-#include "regionstr.h"
-#include "validate.h"
-#include "windowstr.h"
-#include "input.h"
-#include "inputstr.h"
-#include "resource.h"
-#include "colormapst.h"
-#include "cursorstr.h"
-#include "dixstruct.h"
-#include "gcstruct.h"
-#include "servermd.h"
-#ifdef PANORAMIX
-#include "panoramiX.h"
-#include "panoramiXsrv.h"
-#endif
-#include "dixevents.h"
-#include "globals.h"
-#include "mi.h" /* miPaintWindow */
-
-#include "privates.h"
-#include "xace.h"
-
-/******
- * Window stuff for server
- *
- * CreateRootWindow, CreateWindow, ChangeWindowAttributes,
- * GetWindowAttributes, DeleteWindow, DestroySubWindows,
- * HandleSaveSet, ReparentWindow, MapWindow, MapSubWindows,
- * UnmapWindow, UnmapSubWindows, ConfigureWindow, CirculateWindow,
- * ChangeWindowDeviceCursor
- ******/
-
-Bool bgNoneRoot = FALSE;
-
-static unsigned char _back_lsb[4] = {0x88, 0x22, 0x44, 0x11};
-static unsigned char _back_msb[4] = {0x11, 0x44, 0x22, 0x88};
-
-static Bool WindowParentHasDeviceCursor(WindowPtr pWin,
- DeviceIntPtr pDev,
- CursorPtr pCurs);
-static Bool
-WindowSeekDeviceCursor(WindowPtr pWin,
- DeviceIntPtr pDev,
- DevCursNodePtr* pNode,
- DevCursNodePtr* pPrev);
-
-int screenIsSaved = SCREEN_SAVER_OFF;
-
-static Bool TileScreenSaver(ScreenPtr pScreen, int kind);
-
-#define INPUTONLY_LEGAL_MASK (CWWinGravity | CWEventMask | \
- CWDontPropagate | CWOverrideRedirect | CWCursor )
-
-#define BOXES_OVERLAP(b1, b2) \
- (!( ((b1)->x2 <= (b2)->x1) || \
- ( ((b1)->x1 >= (b2)->x2)) || \
- ( ((b1)->y2 <= (b2)->y1)) || \
- ( ((b1)->y1 >= (b2)->y2)) ) )
-
-#define RedirectSend(pWin) \
- ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureRedirectMask)
-
-#define SubSend(pWin) \
- ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureNotifyMask)
-
-#define StrSend(pWin) \
- ((pWin->eventMask|wOtherEventMasks(pWin)) & StructureNotifyMask)
-
-#define SubStrSend(pWin,pParent) (StrSend(pWin) || SubSend(pParent))
-
-#ifdef DEBUG
-/******
- * PrintWindowTree
- * For debugging only
- ******/
-
-static void
-PrintChildren(WindowPtr p1, int indent)
-{
- WindowPtr p2;
- int i;
-
- while (p1)
- {
- p2 = p1->firstChild;
- ErrorF("[dix] ");
- for (i=0; i<indent; i++) ErrorF(" ");
- ErrorF("%lx\n", p1->drawable.id);
- RegionPrint(&p1->clipList);
- PrintChildren(p2, indent+4);
- p1 = p1->nextSib;
- }
-}
-
-static void
-PrintWindowTree(void)
-{
- int i;
- WindowPtr pWin, p1;
-
- for (i=0; i<screenInfo.numScreens; i++)
- {
- ErrorF("[dix] WINDOW %d\n", i);
- pWin = screenInfo.screens[i]->root;
- RegionPrint(&pWin->clipList);
- p1 = pWin->firstChild;
- PrintChildren(p1, 4);
- }
-}
-#endif
-
-int
-TraverseTree(WindowPtr pWin, VisitWindowProcPtr func, pointer data)
-{
- int result;
- WindowPtr pChild;
-
- if (!(pChild = pWin))
- return WT_NOMATCH;
- while (1)
- {
- result = (* func)(pChild, data);
- if (result == WT_STOPWALKING)
- return WT_STOPWALKING;
- if ((result == WT_WALKCHILDREN) && pChild->firstChild)
- {
- pChild = pChild->firstChild;
- continue;
- }
- while (!pChild->nextSib && (pChild != pWin))
- pChild = pChild->parent;
- if (pChild == pWin)
- break;
- pChild = pChild->nextSib;
- }
- return WT_NOMATCH;
-}
-
-/*****
- * WalkTree
- * Walk the window tree, for SCREEN, preforming FUNC(pWin, data) on
- * each window. If FUNC returns WT_WALKCHILDREN, traverse the children,
- * if it returns WT_DONTWALKCHILDREN, dont. If it returns WT_STOPWALKING
- * exit WalkTree. Does depth-first traverse.
- *****/
-
-int
-WalkTree(ScreenPtr pScreen, VisitWindowProcPtr func, pointer data)
-{
- return(TraverseTree(pScreen->root, func, data));
-}
-
-/* hack for forcing backing store on all windows */
-int defaultBackingStore = NotUseful;
-/* hack to force no backing store */
-Bool disableBackingStore = FALSE;
-Bool enableBackingStore = FALSE;
-
-static void
-SetWindowToDefaults(WindowPtr pWin)
-{
- pWin->prevSib = NullWindow;
- pWin->firstChild = NullWindow;
- pWin->lastChild = NullWindow;
-
- pWin->valdata = (ValidatePtr)NULL;
- pWin->optional = (WindowOptPtr)NULL;
- pWin->cursorIsNone = TRUE;
-
- pWin->backingStore = NotUseful;
- pWin->DIXsaveUnder = FALSE;
- pWin->backStorage = (pointer) NULL;
-
- pWin->mapped = FALSE; /* off */
- pWin->realized = FALSE; /* off */
- pWin->viewable = FALSE;
- pWin->visibility = VisibilityNotViewable;
- pWin->overrideRedirect = FALSE;
- pWin->saveUnder = FALSE;
-
- pWin->bitGravity = ForgetGravity;
- pWin->winGravity = NorthWestGravity;
-
- pWin->eventMask = 0;
- pWin->deliverableEvents = 0;
- pWin->dontPropagate = 0;
- pWin->forcedBS = FALSE;
- pWin->redirectDraw = RedirectDrawNone;
- pWin->forcedBG = FALSE;
-
-#ifdef ROOTLESS
- pWin->rootlessUnhittable = FALSE;
-#endif
-
-#ifdef COMPOSITE
- pWin->damagedDescendants = FALSE;
-#endif
-}
-
-static void
-MakeRootTile(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- GCPtr pGC;
- unsigned char back[128];
- int len = BitmapBytePad(sizeof(long));
- unsigned char *from, *to;
- int i, j;
-
- pWin->background.pixmap = (*pScreen->CreatePixmap)(pScreen, 4, 4,
- pScreen->rootDepth, 0);
-
- pWin->backgroundState = BackgroundPixmap;
- pGC = GetScratchGC(pScreen->rootDepth, pScreen);
- if (!pWin->background.pixmap || !pGC)
- FatalError("could not create root tile");
-
- {
- ChangeGCVal attributes[2];
-
- attributes[0].val = pScreen->whitePixel;
- attributes[1].val = pScreen->blackPixel;
-
- (void)ChangeGC(NullClient, pGC, GCForeground | GCBackground, attributes);
- }
-
- ValidateGC((DrawablePtr)pWin->background.pixmap, pGC);
-
- from = (screenInfo.bitmapBitOrder == LSBFirst) ? _back_lsb : _back_msb;
- to = back;
-
- for (i = 4; i > 0; i--, from++)
- for (j = len; j > 0; j--)
- *to++ = *from;
-
- (*pGC->ops->PutImage)((DrawablePtr)pWin->background.pixmap, pGC, 1,
- 0, 0, len, 4, 0, XYBitmap, (char *)back);
-
- FreeScratchGC(pGC);
-
-}
-
-/*****
- * CreateRootWindow
- * Makes a window at initialization time for specified screen
- *****/
-
-Bool
-CreateRootWindow(ScreenPtr pScreen)
-{
- WindowPtr pWin;
- BoxRec box;
- PixmapFormatRec *format;
-
- pWin = dixAllocateObjectWithPrivates(WindowRec, PRIVATE_WINDOW);
- if (!pWin)
- return FALSE;
-
- pScreen->screensaver.pWindow = NULL;
- pScreen->screensaver.wid = FakeClientID(0);
- pScreen->screensaver.ExternalScreenSaver = NULL;
- screenIsSaved = SCREEN_SAVER_OFF;
-
- pScreen->root = pWin;
-
- pWin->drawable.pScreen = pScreen;
- pWin->drawable.type = DRAWABLE_WINDOW;
-
- pWin->drawable.depth = pScreen->rootDepth;
- for (format = screenInfo.formats;
- format->depth != pScreen->rootDepth;
- format++)
- ;
- pWin->drawable.bitsPerPixel = format->bitsPerPixel;
-
- pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
-
- pWin->parent = NullWindow;
- SetWindowToDefaults(pWin);
-
- pWin->optional = malloc(sizeof (WindowOptRec));
- if (!pWin->optional)
- return FALSE;
-
- pWin->optional->dontPropagateMask = 0;
- pWin->optional->otherEventMasks = 0;
- pWin->optional->otherClients = NULL;
- pWin->optional->passiveGrabs = NULL;
- pWin->optional->userProps = NULL;
- pWin->optional->backingBitPlanes = ~0L;
- pWin->optional->backingPixel = 0;
- pWin->optional->boundingShape = NULL;
- pWin->optional->clipShape = NULL;
- pWin->optional->inputShape = NULL;
- pWin->optional->inputMasks = NULL;
- pWin->optional->deviceCursors = NULL;
- pWin->optional->colormap = pScreen->defColormap;
- pWin->optional->visual = pScreen->rootVisual;
-
- pWin->nextSib = NullWindow;
-
- pWin->drawable.id = FakeClientID(0);
-
- pWin->origin.x = pWin->origin.y = 0;
- pWin->drawable.height = pScreen->height;
- pWin->drawable.width = pScreen->width;
- pWin->drawable.x = pWin->drawable.y = 0;
-
- box.x1 = 0;
- box.y1 = 0;
- box.x2 = pScreen->width;
- box.y2 = pScreen->height;
- RegionInit(&pWin->clipList, &box, 1);
- RegionInit(&pWin->winSize, &box, 1);
- RegionInit(&pWin->borderSize, &box, 1);
- RegionInit(&pWin->borderClip, &box, 1);
-
- pWin->drawable.class = InputOutput;
- pWin->optional->visual = pScreen->rootVisual;
-
- pWin->backgroundState = BackgroundPixel;
- pWin->background.pixel = pScreen->whitePixel;
-
- pWin->borderIsPixel = TRUE;
- pWin->border.pixel = pScreen->blackPixel;
- pWin->borderWidth = 0;
-
- /* security creation/labeling check
- */
- if (XaceHook(XACE_RESOURCE_ACCESS, serverClient, pWin->drawable.id,
- RT_WINDOW, pWin, RT_NONE, NULL, DixCreateAccess))
- return FALSE;
-
- if (!AddResource(pWin->drawable.id, RT_WINDOW, (pointer)pWin))
- return FALSE;
-
- if (disableBackingStore)
- pScreen->backingStoreSupport = NotUseful;
- if (enableBackingStore)
- pScreen->backingStoreSupport = Always;
-
- pScreen->saveUnderSupport = NotUseful;
-
- return TRUE;
-}
-
-void
-InitRootWindow(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- int backFlag = CWBorderPixel | CWCursor | CWBackingStore;
-
- if (!(*pScreen->CreateWindow)(pWin))
- return; /* XXX */
- (*pScreen->PositionWindow)(pWin, 0, 0);
-
- pWin->cursorIsNone = FALSE;
- pWin->optional->cursor = rootCursor;
- rootCursor->refcnt++;
-
-
- if (party_like_its_1989) {
- MakeRootTile(pWin);
- backFlag |= CWBackPixmap;
- } else if (pScreen->canDoBGNoneRoot && bgNoneRoot) {
- pWin->backgroundState = XaceBackgroundNoneState(pWin);
- pWin->background.pixel = pScreen->whitePixel;
- backFlag |= CWBackPixmap;
- } else {
- if (whiteRoot)
- pWin->background.pixel = pScreen->whitePixel;
- else
- pWin->background.pixel = pScreen->blackPixel;
- backFlag |= CWBackPixel;
- }
-
- pWin->backingStore = defaultBackingStore;
- pWin->forcedBS = (defaultBackingStore != NotUseful);
- /* We SHOULD check for an error value here XXX */
- (*pScreen->ChangeWindowAttributes)(pWin, backFlag);
-
- MapWindow(pWin, serverClient);
-}
-
-/* Set the region to the intersection of the rectangle and the
- * window's winSize. The window is typically the parent of the
- * window from which the region came.
- */
-
-static void
-ClippedRegionFromBox(WindowPtr pWin, RegionPtr Rgn,
- int x, int y,
- int w, int h)
-{
- BoxRec box = *RegionExtents(&pWin->winSize);
-
- /* we do these calculations to avoid overflows */
- if (x > box.x1)
- box.x1 = x;
- if (y > box.y1)
- box.y1 = y;
- x += w;
- if (x < box.x2)
- box.x2 = x;
- y += h;
- if (y < box.y2)
- box.y2 = y;
- if (box.x1 > box.x2)
- box.x2 = box.x1;
- if (box.y1 > box.y2)
- box.y2 = box.y1;
- RegionReset(Rgn, &box);
- RegionIntersect(Rgn, Rgn, &pWin->winSize);
-}
-
-static RealChildHeadProc realChildHeadProc = NULL;
-
-void
-RegisterRealChildHeadProc (RealChildHeadProc proc)
-{
- realChildHeadProc = proc;
-}
-
-
-WindowPtr
-RealChildHead(WindowPtr pWin)
-{
- if (realChildHeadProc) {
- return realChildHeadProc (pWin);
- }
-
- if (!pWin->parent &&
- (screenIsSaved == SCREEN_SAVER_ON) &&
- (HasSaverWindow (pWin->drawable.pScreen)))
- return pWin->firstChild;
- else
- return NullWindow;
-}
-
-/*****
- * CreateWindow
- * Makes a window in response to client request
- *****/
-
-WindowPtr
-CreateWindow(Window wid, WindowPtr pParent, int x, int y, unsigned w,
- unsigned h, unsigned bw, unsigned class, Mask vmask, XID *vlist,
- int depth, ClientPtr client, VisualID visual, int *error)
-{
- WindowPtr pWin;
- WindowPtr pHead;
- ScreenPtr pScreen;
- xEvent event;
- int idepth, ivisual;
- Bool fOK;
- DepthPtr pDepth;
- PixmapFormatRec *format;
- WindowOptPtr ancwopt;
-
- if (class == CopyFromParent)
- class = pParent->drawable.class;
-
- if ((class != InputOutput) && (class != InputOnly))
- {
- *error = BadValue;
- client->errorValue = class;
- return NullWindow;
- }
-
- if ((class != InputOnly) && (pParent->drawable.class == InputOnly))
- {
- *error = BadMatch;
- return NullWindow;
- }
-
- if ((class == InputOnly) && ((bw != 0) || (depth != 0)))
- {
- *error = BadMatch;
- return NullWindow;
- }
-
- pScreen = pParent->drawable.pScreen;
- if ((class == InputOutput) && (depth == 0))
- depth = pParent->drawable.depth;
- ancwopt = pParent->optional;
- if (!ancwopt)
- ancwopt = FindWindowWithOptional(pParent)->optional;
- if (visual == CopyFromParent) {
- visual = ancwopt->visual;
- }
-
- /* Find out if the depth and visual are acceptable for this Screen */
- if ((visual != ancwopt->visual) || (depth != pParent->drawable.depth))
- {
- fOK = FALSE;
- for(idepth = 0; idepth < pScreen->numDepths; idepth++)
- {
- pDepth = (DepthPtr) &pScreen->allowedDepths[idepth];
- if ((depth == pDepth->depth) || (depth == 0))
- {
- for (ivisual = 0; ivisual < pDepth->numVids; ivisual++)
- {
- if (visual == pDepth->vids[ivisual])
- {
- fOK = TRUE;
- break;
- }
- }
- }
- }
- if (fOK == FALSE)
- {
- *error = BadMatch;
- return NullWindow;
- }
- }
-
- if (((vmask & (CWBorderPixmap | CWBorderPixel)) == 0) &&
- (class != InputOnly) &&
- (depth != pParent->drawable.depth))
- {
- *error = BadMatch;
- return NullWindow;
- }
-
- if (((vmask & CWColormap) == 0) &&
- (class != InputOnly) &&
- ((visual != ancwopt->visual) || (ancwopt->colormap == None)))
- {
- *error = BadMatch;
- return NullWindow;
- }
-
- pWin = dixAllocateObjectWithPrivates(WindowRec, PRIVATE_WINDOW);
- if (!pWin)
- {
- *error = BadAlloc;
- return NullWindow;
- }
- pWin->drawable = pParent->drawable;
- pWin->drawable.depth = depth;
- if (depth == pParent->drawable.depth)
- pWin->drawable.bitsPerPixel = pParent->drawable.bitsPerPixel;
- else
- {
- for (format = screenInfo.formats; format->depth != depth; format++)
- ;
- pWin->drawable.bitsPerPixel = format->bitsPerPixel;
- }
- if (class == InputOnly)
- pWin->drawable.type = (short) UNDRAWABLE_WINDOW;
- pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
-
- pWin->drawable.id = wid;
- pWin->drawable.class = class;
-
- pWin->parent = pParent;
- SetWindowToDefaults(pWin);
-
- if (visual != ancwopt->visual)
- {
- if (!MakeWindowOptional (pWin))
- {
- dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW);
- *error = BadAlloc;
- return NullWindow;
- }
- pWin->optional->visual = visual;
- pWin->optional->colormap = None;
- }
-
- pWin->borderWidth = bw;
-
- /* security creation/labeling check
- */
- *error = XaceHook(XACE_RESOURCE_ACCESS, client, wid, RT_WINDOW, pWin,
- RT_WINDOW, pWin->parent, DixCreateAccess|DixSetAttrAccess);
- if (*error != Success) {
- dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW);
- return NullWindow;
- }
-
- pWin->backgroundState = XaceBackgroundNoneState(pWin);
- pWin->background.pixel = pScreen->whitePixel;
-
- pWin->borderIsPixel = pParent->borderIsPixel;
- pWin->border = pParent->border;
- if (pWin->borderIsPixel == FALSE)
- pWin->border.pixmap->refcnt++;
-
- pWin->origin.x = x + (int)bw;
- pWin->origin.y = y + (int)bw;
- pWin->drawable.width = w;
- pWin->drawable.height = h;
- pWin->drawable.x = pParent->drawable.x + x + (int)bw;
- pWin->drawable.y = pParent->drawable.y + y + (int)bw;
-
- /* set up clip list correctly for unobscured WindowPtr */
- RegionNull(&pWin->clipList);
- RegionNull(&pWin->borderClip);
- RegionNull(&pWin->winSize);
- RegionNull(&pWin->borderSize);
-
- pHead = RealChildHead(pParent);
- if (pHead)
- {
- pWin->nextSib = pHead->nextSib;
- if (pHead->nextSib)
- pHead->nextSib->prevSib = pWin;
- else
- pParent->lastChild = pWin;
- pHead->nextSib = pWin;
- pWin->prevSib = pHead;
- }
- else
- {
- pWin->nextSib = pParent->firstChild;
- if (pParent->firstChild)
- pParent->firstChild->prevSib = pWin;
- else
- pParent->lastChild = pWin;
- pParent->firstChild = pWin;
- }
-
- SetWinSize (pWin);
- SetBorderSize (pWin);
-
- /* We SHOULD check for an error value here XXX */
- if (!(*pScreen->CreateWindow)(pWin))
- {
- *error = BadAlloc;
- DeleteWindow(pWin, None);
- return NullWindow;
- }
- /* We SHOULD check for an error value here XXX */
- (*pScreen->PositionWindow)(pWin, pWin->drawable.x, pWin->drawable.y);
-
- if (!(vmask & CWEventMask))
- RecalculateDeliverableEvents(pWin);
-
- if (vmask)
- *error = ChangeWindowAttributes(pWin, vmask, vlist, wClient (pWin));
- else
- *error = Success;
-
- if (*error != Success)
- {
- DeleteWindow(pWin, None);
- return NullWindow;
- }
- if (!(vmask & CWBackingStore) && (defaultBackingStore != NotUseful))
- {
- XID value = defaultBackingStore;
- (void)ChangeWindowAttributes(pWin, CWBackingStore, &value, wClient (pWin));
- pWin->forcedBS = TRUE;
- }
-
- if (SubSend(pParent))
- {
- memset(&event, 0, sizeof(xEvent));
- event.u.u.type = CreateNotify;
- event.u.createNotify.window = wid;
- event.u.createNotify.parent = pParent->drawable.id;
- event.u.createNotify.x = x;
- event.u.createNotify.y = y;
- event.u.createNotify.width = w;
- event.u.createNotify.height = h;
- event.u.createNotify.borderWidth = bw;
- event.u.createNotify.override = pWin->overrideRedirect;
- DeliverEvents(pParent, &event, 1, NullWindow);
- }
- return pWin;
-}
-
-static void
-DisposeWindowOptional (WindowPtr pWin)
-{
- if (!pWin->optional)
- return;
- /*
- * everything is peachy. Delete the optional record
- * and clean up
- */
- if (pWin->optional->cursor)
- {
- FreeCursor (pWin->optional->cursor, (Cursor)0);
- pWin->cursorIsNone = FALSE;
- }
- else
- pWin->cursorIsNone = TRUE;
-
- if (pWin->optional->deviceCursors)
- {
- DevCursorList pList;
- DevCursorList pPrev;
- pList = pWin->optional->deviceCursors;
- while(pList)
- {
- if (pList->cursor)
- FreeCursor(pList->cursor, (XID)0);
- pPrev = pList;
- pList = pList->next;
- free(pPrev);
- }
- pWin->optional->deviceCursors = NULL;
- }
-
- free(pWin->optional);
- pWin->optional = NULL;
-}
-
-static void
-FreeWindowResources(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- DeleteWindowFromAnySaveSet(pWin);
- DeleteWindowFromAnySelections(pWin);
- DeleteWindowFromAnyEvents(pWin, TRUE);
- RegionUninit(&pWin->clipList);
- RegionUninit(&pWin->winSize);
- RegionUninit(&pWin->borderClip);
- RegionUninit(&pWin->borderSize);
- if (wBoundingShape (pWin))
- RegionDestroy(wBoundingShape (pWin));
- if (wClipShape (pWin))
- RegionDestroy(wClipShape (pWin));
- if (wInputShape (pWin))
- RegionDestroy(wInputShape (pWin));
- if (pWin->borderIsPixel == FALSE)
- (*pScreen->DestroyPixmap)(pWin->border.pixmap);
- if (pWin->backgroundState == BackgroundPixmap)
- (*pScreen->DestroyPixmap)(pWin->background.pixmap);
-
- DeleteAllWindowProperties(pWin);
- /* We SHOULD check for an error value here XXX */
- (*pScreen->DestroyWindow)(pWin);
- DisposeWindowOptional (pWin);
-}
-
-static void
-CrushTree(WindowPtr pWin)
-{
- WindowPtr pChild, pSib, pParent;
- UnrealizeWindowProcPtr UnrealizeWindow;
- xEvent event;
-
- if (!(pChild = pWin->firstChild))
- return;
- UnrealizeWindow = pWin->drawable.pScreen->UnrealizeWindow;
- while (1)
- {
- if (pChild->firstChild)
- {
- pChild = pChild->firstChild;
- continue;
- }
- while (1)
- {
- pParent = pChild->parent;
- if (SubStrSend(pChild, pParent))
- {
- memset(&event, 0, sizeof(xEvent));
- event.u.u.type = DestroyNotify;
- event.u.destroyNotify.window = pChild->drawable.id;
- DeliverEvents(pChild, &event, 1, NullWindow);
- }
- FreeResource(pChild->drawable.id, RT_WINDOW);
- pSib = pChild->nextSib;
- pChild->viewable = FALSE;
- if (pChild->realized)
- {
- pChild->realized = FALSE;
- (*UnrealizeWindow)(pChild);
- }
- FreeWindowResources(pChild);
- dixFreeObjectWithPrivates(pChild, PRIVATE_WINDOW);
- if ( (pChild = pSib) )
- break;
- pChild = pParent;
- pChild->firstChild = NullWindow;
- pChild->lastChild = NullWindow;
- if (pChild == pWin)
- return;
- }
- }
-}
-
-/*****
- * DeleteWindow
- * Deletes child of window then window itself
- * If wid is None, don't send any events
- *****/
-
-int
-DeleteWindow(pointer value, XID wid)
- {
- WindowPtr pParent;
- WindowPtr pWin = (WindowPtr)value;
- xEvent event;
-
- UnmapWindow(pWin, FALSE);
-
- CrushTree(pWin);
-
- pParent = pWin->parent;
- if (wid && pParent && SubStrSend(pWin, pParent))
- {
- memset(&event, 0, sizeof(xEvent));
- event.u.u.type = DestroyNotify;
- event.u.destroyNotify.window = pWin->drawable.id;
- DeliverEvents(pWin, &event, 1, NullWindow);
- }
-
- FreeWindowResources(pWin);
- if (pParent)
- {
- if (pParent->firstChild == pWin)
- pParent->firstChild = pWin->nextSib;
- if (pParent->lastChild == pWin)
- pParent->lastChild = pWin->prevSib;
- if (pWin->nextSib)
- pWin->nextSib->prevSib = pWin->prevSib;
- if (pWin->prevSib)
- pWin->prevSib->nextSib = pWin->nextSib;
- }
- else
- pWin->drawable.pScreen->root = NULL;
- dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW);
- return Success;
-}
-
-int
-DestroySubwindows(WindowPtr pWin, ClientPtr client)
-{
- /* XXX
- * The protocol is quite clear that each window should be
- * destroyed in turn, however, unmapping all of the first
- * eliminates most of the calls to ValidateTree. So,
- * this implementation is incorrect in that all of the
- * UnmapNotifies occur before all of the DestroyNotifies.
- * If you care, simply delete the call to UnmapSubwindows.
- */
- UnmapSubwindows(pWin);
- while (pWin->lastChild) {
- int rc = XaceHook(XACE_RESOURCE_ACCESS, client,
- pWin->lastChild->drawable.id, RT_WINDOW,
- pWin->lastChild, RT_NONE, NULL, DixDestroyAccess);
- if (rc != Success)
- return rc;
- FreeResource(pWin->lastChild->drawable.id, RT_NONE);
- }
- return Success;
-}
-
-static void
-SetRootWindowBackground(WindowPtr pWin, ScreenPtr pScreen, Mask *index2)
-{
- /* following the protocol: "Changing the background of a root window to
- * None or ParentRelative restores the default background pixmap" */
- if (bgNoneRoot) {
- pWin->backgroundState = XaceBackgroundNoneState(pWin);
- pWin->background.pixel = pScreen->whitePixel;
- }
- else if (party_like_its_1989)
- MakeRootTile(pWin);
- else {
- if (whiteRoot)
- pWin->background.pixel = pScreen->whitePixel;
- else
- pWin->background.pixel = pScreen->blackPixel;
- *index2 = CWBackPixel;
- }
-}
-
-/*****
- * ChangeWindowAttributes
- *
- * The value-mask specifies which attributes are to be changed; the
- * value-list contains one value for each one bit in the mask, from least
- * to most significant bit in the mask.
- *****/
-
-int
-ChangeWindowAttributes(WindowPtr pWin, Mask vmask, XID *vlist, ClientPtr client)
-{
- XID *pVlist;
- PixmapPtr pPixmap;
- Pixmap pixID;
- CursorPtr pCursor, pOldCursor;
- Cursor cursorID;
- WindowPtr pChild;
- Colormap cmap;
- ColormapPtr pCmap;
- xEvent xE;
- int error, rc;
- ScreenPtr pScreen;
- Mask index2, tmask, vmaskCopy = 0;
- unsigned int val;
- Bool checkOptional = FALSE, borderRelative = FALSE;
-
- if ((pWin->drawable.class == InputOnly) && (vmask & (~INPUTONLY_LEGAL_MASK)))
- return BadMatch;
-
- error = Success;
- pScreen = pWin->drawable.pScreen;
- pVlist = vlist;
- tmask = vmask;
- while (tmask)
- {
- index2 = (Mask) lowbit (tmask);
- tmask &= ~index2;
- switch (index2)
- {
- case CWBackPixmap:
- pixID = (Pixmap )*pVlist;
- pVlist++;
- if (pWin->backgroundState == ParentRelative)
- borderRelative = TRUE;
- if (pixID == None)
- {
- if (pWin->backgroundState == BackgroundPixmap)
- (*pScreen->DestroyPixmap)(pWin->background.pixmap);
- if (!pWin->parent)
- SetRootWindowBackground(pWin, pScreen, &index2);
- else {
- pWin->backgroundState = XaceBackgroundNoneState(pWin);
- pWin->background.pixel = pScreen->whitePixel;
- }
- }
- else if (pixID == ParentRelative)
- {
- if (pWin->parent &&
- pWin->drawable.depth != pWin->parent->drawable.depth)
- {
- error = BadMatch;
- goto PatchUp;
- }
- if (pWin->backgroundState == BackgroundPixmap)
- (*pScreen->DestroyPixmap)(pWin->background.pixmap);
- if (!pWin->parent)
- SetRootWindowBackground(pWin, pScreen, &index2);
- else
- pWin->backgroundState = ParentRelative;
- borderRelative = TRUE;
- /* Note that the parent's backgroundTile's refcnt is NOT
- * incremented. */
- }
- else
- {
- rc = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
- client, DixReadAccess);
- if (rc == Success)
- {
- if ((pPixmap->drawable.depth != pWin->drawable.depth) ||
- (pPixmap->drawable.pScreen != pScreen))
- {
- error = BadMatch;
- goto PatchUp;
- }
- if (pWin->backgroundState == BackgroundPixmap)
- (*pScreen->DestroyPixmap)(pWin->background.pixmap);
- pWin->backgroundState = BackgroundPixmap;
- pWin->background.pixmap = pPixmap;
- pPixmap->refcnt++;
- }
- else
- {
- error = rc;
- client->errorValue = pixID;
- goto PatchUp;
- }
- }
- break;
- case CWBackPixel:
- if (pWin->backgroundState == ParentRelative)
- borderRelative = TRUE;
- if (pWin->backgroundState == BackgroundPixmap)
- (*pScreen->DestroyPixmap)(pWin->background.pixmap);
- pWin->backgroundState = BackgroundPixel;
- pWin->background.pixel = (CARD32 ) *pVlist;
- /* background pixel overrides background pixmap,
- so don't let the ddx layer see both bits */
- vmaskCopy &= ~CWBackPixmap;
- pVlist++;
- break;
- case CWBorderPixmap:
- pixID = (Pixmap ) *pVlist;
- pVlist++;
- if (pixID == CopyFromParent)
- {
- if (!pWin->parent ||
- (pWin->drawable.depth != pWin->parent->drawable.depth))
- {
- error = BadMatch;
- goto PatchUp;
- }
- if (pWin->parent->borderIsPixel == TRUE) {
- if (pWin->borderIsPixel == FALSE)
- (*pScreen->DestroyPixmap)(pWin->border.pixmap);
- pWin->border = pWin->parent->border;
- pWin->borderIsPixel = TRUE;
- index2 = CWBorderPixel;
- break;
- }
- else
- {
- pixID = pWin->parent->border.pixmap->drawable.id;
- }
- }
- rc = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
- client, DixReadAccess);
- if (rc == Success)
- {
- if ((pPixmap->drawable.depth != pWin->drawable.depth) ||
- (pPixmap->drawable.pScreen != pScreen))
- {
- error = BadMatch;
- goto PatchUp;
- }
- if (pWin->borderIsPixel == FALSE)
- (*pScreen->DestroyPixmap)(pWin->border.pixmap);
- pWin->borderIsPixel = FALSE;
- pWin->border.pixmap = pPixmap;
- pPixmap->refcnt++;
- }
- else
- {
- error = rc;
- client->errorValue = pixID;
- goto PatchUp;
- }
- break;
- case CWBorderPixel:
- if (pWin->borderIsPixel == FALSE)
- (*pScreen->DestroyPixmap)(pWin->border.pixmap);
- pWin->borderIsPixel = TRUE;
- pWin->border.pixel = (CARD32) *pVlist;
- /* border pixel overrides border pixmap,
- so don't let the ddx layer see both bits */
- vmaskCopy &= ~CWBorderPixmap;
- pVlist++;
- break;
- case CWBitGravity:
- val = (CARD8 )*pVlist;
- pVlist++;
- if (val > StaticGravity)
- {
- error = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- pWin->bitGravity = val;
- break;
- case CWWinGravity:
- val = (CARD8 )*pVlist;
- pVlist++;
- if (val > StaticGravity)
- {
- error = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- pWin->winGravity = val;
- break;
- case CWBackingStore:
- val = (CARD8 )*pVlist;
- pVlist++;
- if ((val != NotUseful) && (val != WhenMapped) && (val != Always))
- {
- error = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- pWin->backingStore = val;
- pWin->forcedBS = FALSE;
- break;
- case CWBackingPlanes:
- if (pWin->optional || ((CARD32)*pVlist != (CARD32)~0L)) {
- if (!pWin->optional && !MakeWindowOptional (pWin))
- {
- error = BadAlloc;
- goto PatchUp;
- }
- pWin->optional->backingBitPlanes = (CARD32) *pVlist;
- if ((CARD32)*pVlist == (CARD32)~0L)
- checkOptional = TRUE;
- }
- pVlist++;
- break;
- case CWBackingPixel:
- if (pWin->optional || (CARD32) *pVlist) {
- if (!pWin->optional && !MakeWindowOptional (pWin))
- {
- error = BadAlloc;
- goto PatchUp;
- }
- pWin->optional->backingPixel = (CARD32) *pVlist;
- if (!*pVlist)
- checkOptional = TRUE;
- }
- pVlist++;
- break;
- case CWSaveUnder:
- val = (BOOL) *pVlist;
- pVlist++;
- if ((val != xTrue) && (val != xFalse))
- {
- error = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- pWin->saveUnder = val;
- break;
- case CWEventMask:
- rc = EventSelectForWindow(pWin, client, (Mask )*pVlist);
- if (rc)
- {
- error = rc;
- goto PatchUp;
- }
- pVlist++;
- break;
- case CWDontPropagate:
- rc = EventSuppressForWindow(pWin, client, (Mask )*pVlist,
- &checkOptional);
- if (rc)
- {
- error = rc;
- goto PatchUp;
- }
- pVlist++;
- break;
- case CWOverrideRedirect:
- val = (BOOL ) *pVlist;
- pVlist++;
- if ((val != xTrue) && (val != xFalse))
- {
- error = BadValue;
- client->errorValue = val;
- goto PatchUp;
- }
- if (val == xTrue) {
- rc = XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id,
- RT_WINDOW, pWin, RT_NONE, NULL, DixGrabAccess);
- if (rc != Success) {
- error = rc;
- client->errorValue = pWin->drawable.id;
- goto PatchUp;
- }
- }
- pWin->overrideRedirect = val;
- break;
- case CWColormap:
- cmap = (Colormap) *pVlist;
- pVlist++;
- if (cmap == CopyFromParent)
- {
- if (pWin->parent &&
- (!pWin->optional ||
- pWin->optional->visual == wVisual (pWin->parent)))
- {
- cmap = wColormap (pWin->parent);
- }
- else
- cmap = None;
- }
- if (cmap == None)
- {
- error = BadMatch;
- goto PatchUp;
- }
- rc = dixLookupResourceByType((pointer *)&pCmap, cmap, RT_COLORMAP,
- client, DixUseAccess);
- if (rc != Success)
- {
- error = rc;
- client->errorValue = cmap;
- goto PatchUp;
- }
- if (pCmap->pVisual->vid != wVisual (pWin) ||
- pCmap->pScreen != pScreen)
- {
- error = BadMatch;
- goto PatchUp;
- }
- if (cmap != wColormap (pWin))
- {
- if (!pWin->optional)
- {
- if (!MakeWindowOptional (pWin))
- {
- error = BadAlloc;
- goto PatchUp;
- }
- }
- else if (pWin->parent && cmap == wColormap (pWin->parent))
- checkOptional = TRUE;
-
- /*
- * propagate the original colormap to any children
- * inheriting it
- */
-
- for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib)
- {
- if (!pChild->optional && !MakeWindowOptional (pChild))
- {
- error = BadAlloc;
- goto PatchUp;
- }
- }
-
- pWin->optional->colormap = cmap;
-
- /*
- * check on any children now matching the new colormap
- */
-
- for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib)
- {
- if (pChild->optional->colormap == cmap)
- CheckWindowOptionalNeed (pChild);
- }
-
- xE.u.u.type = ColormapNotify;
- xE.u.colormap.window = pWin->drawable.id;
- xE.u.colormap.colormap = cmap;
- xE.u.colormap.new = xTrue;
- xE.u.colormap.state = IsMapInstalled(cmap, pWin);
- DeliverEvents(pWin, &xE, 1, NullWindow);
- }
- break;
- case CWCursor:
- cursorID = (Cursor ) *pVlist;
- pVlist++;
- /*
- * install the new
- */
- if ( cursorID == None)
- {
- if (pWin == pWin->drawable.pScreen->root)
- pCursor = rootCursor;
- else
- pCursor = (CursorPtr) None;
- }
- else
- {
- rc = dixLookupResourceByType((pointer *)&pCursor, cursorID,
- RT_CURSOR, client, DixUseAccess);
- if (rc != Success)
- {
- error = rc;
- client->errorValue = cursorID;
- goto PatchUp;
- }
- }
-
- if (pCursor != wCursor (pWin))
- {
- /*
- * patch up child windows so they don't lose cursors.
- */
-
- for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib)
- {
- if (!pChild->optional && !pChild->cursorIsNone &&
- !MakeWindowOptional (pChild))
- {
- error = BadAlloc;
- goto PatchUp;
- }
- }
-
- pOldCursor = 0;
- if (pCursor == (CursorPtr) None)
- {
- pWin->cursorIsNone = TRUE;
- if (pWin->optional)
- {
- pOldCursor = pWin->optional->cursor;
- pWin->optional->cursor = (CursorPtr) None;
- checkOptional = TRUE;
- }
- } else {
- if (!pWin->optional)
- {
- if (!MakeWindowOptional (pWin))
- {
- error = BadAlloc;
- goto PatchUp;
- }
- }
- else if (pWin->parent && pCursor == wCursor (pWin->parent))
- checkOptional = TRUE;
- pOldCursor = pWin->optional->cursor;
- pWin->optional->cursor = pCursor;
- pCursor->refcnt++;
- pWin->cursorIsNone = FALSE;
- /*
- * check on any children now matching the new cursor
- */
-
- for (pChild=pWin->firstChild; pChild; pChild=pChild->nextSib)
- {
- if (pChild->optional &&
- (pChild->optional->cursor == pCursor))
- CheckWindowOptionalNeed (pChild);
- }
- }
-
- if (pWin->realized)
- WindowHasNewCursor( pWin);
-
- /* Can't free cursor until here - old cursor
- * is needed in WindowHasNewCursor
- */
- if (pOldCursor)
- FreeCursor (pOldCursor, (Cursor)0);
- }
- break;
- default:
- error = BadValue;
- client->errorValue = vmask;
- goto PatchUp;
- }
- vmaskCopy |= index2;
- }
-PatchUp:
- if (checkOptional)
- CheckWindowOptionalNeed (pWin);
-
- /* We SHOULD check for an error value here XXX */
- (*pScreen->ChangeWindowAttributes)(pWin, vmaskCopy);
-
- /*
- If the border contents have changed, redraw the border.
- Note that this has to be done AFTER pScreen->ChangeWindowAttributes
- for the tile to be rotated, and the correct function selected.
- */
- if (((vmaskCopy & (CWBorderPixel | CWBorderPixmap)) || borderRelative)
- && pWin->viewable && HasBorder (pWin))
- {
- RegionRec exposed;
-
- RegionNull(&exposed);
- RegionSubtract(&exposed, &pWin->borderClip, &pWin->winSize);
- miPaintWindow(pWin, &exposed, PW_BORDER);
- RegionUninit(&exposed);
- }
- return error;
-}
-
-
-/*****
- * GetWindowAttributes
- * Notice that this is different than ChangeWindowAttributes
- *****/
-
-void
-GetWindowAttributes(WindowPtr pWin, ClientPtr client, xGetWindowAttributesReply *wa)
-{
- wa->type = X_Reply;
- wa->bitGravity = pWin->bitGravity;
- wa->winGravity = pWin->winGravity;
- if (pWin->forcedBS && pWin->backingStore != Always)
- wa->backingStore = NotUseful;
- else
- wa->backingStore = pWin->backingStore;
- wa->length = bytes_to_int32(sizeof(xGetWindowAttributesReply) -
- sizeof(xGenericReply));
- wa->sequenceNumber = client->sequence;
- wa->backingBitPlanes = wBackingBitPlanes (pWin);
- wa->backingPixel = wBackingPixel (pWin);
- wa->saveUnder = (BOOL)pWin->saveUnder;
- wa->override = pWin->overrideRedirect;
- if (!pWin->mapped)
- wa->mapState = IsUnmapped;
- else if (pWin->realized)
- wa->mapState = IsViewable;
- else
- wa->mapState = IsUnviewable;
-
- wa->colormap = wColormap (pWin);
- wa->mapInstalled = (wa->colormap == None) ? xFalse
- : IsMapInstalled(wa->colormap, pWin);
-
- wa->yourEventMask = EventMaskForClient(pWin, client);
- wa->allEventMasks = pWin->eventMask | wOtherEventMasks (pWin);
- wa->doNotPropagateMask = wDontPropagateMask (pWin);
- wa->class = pWin->drawable.class;
- wa->visualID = wVisual (pWin);
-}
-
-
-WindowPtr
-MoveWindowInStack(WindowPtr pWin, WindowPtr pNextSib)
-{
- WindowPtr pParent = pWin->parent;
- WindowPtr pFirstChange = pWin; /* highest window where list changes */
-
- if (pWin->nextSib != pNextSib)
- {
- WindowPtr pOldNextSib = pWin->nextSib;
-
- if (!pNextSib) /* move to bottom */
- {
- if (pParent->firstChild == pWin)
- pParent->firstChild = pWin->nextSib;
- /* if (pWin->nextSib) */ /* is always True: pNextSib == NULL
- * and pWin->nextSib != pNextSib
- * therefore pWin->nextSib != NULL */
- pFirstChange = pWin->nextSib;
- pWin->nextSib->prevSib = pWin->prevSib;
- if (pWin->prevSib)
- pWin->prevSib->nextSib = pWin->nextSib;
- pParent->lastChild->nextSib = pWin;
- pWin->prevSib = pParent->lastChild;
- pWin->nextSib = NullWindow;
- pParent->lastChild = pWin;
- }
- else if (pParent->firstChild == pNextSib) /* move to top */
- {
- pFirstChange = pWin;
- if (pParent->lastChild == pWin)
- pParent->lastChild = pWin->prevSib;
- if (pWin->nextSib)
- pWin->nextSib->prevSib = pWin->prevSib;
- if (pWin->prevSib)
- pWin->prevSib->nextSib = pWin->nextSib;
- pWin->nextSib = pParent->firstChild;
- pWin->prevSib = (WindowPtr ) NULL;
- pNextSib->prevSib = pWin;
- pParent->firstChild = pWin;
- }
- else /* move in middle of list */
- {
- WindowPtr pOldNext = pWin->nextSib;
-
- pFirstChange = NullWindow;
- if (pParent->firstChild == pWin)
- pFirstChange = pParent->firstChild = pWin->nextSib;
- if (pParent->lastChild == pWin) {
- pFirstChange = pWin;
- pParent->lastChild = pWin->prevSib;
- }
- if (pWin->nextSib)
- pWin->nextSib->prevSib = pWin->prevSib;
- if (pWin->prevSib)
- pWin->prevSib->nextSib = pWin->nextSib;
- pWin->nextSib = pNextSib;
- pWin->prevSib = pNextSib->prevSib;
- if (pNextSib->prevSib)
- pNextSib->prevSib->nextSib = pWin;
- pNextSib->prevSib = pWin;
- if (!pFirstChange) { /* do we know it yet? */
- pFirstChange = pParent->firstChild; /* no, search from top */
- while ((pFirstChange != pWin) && (pFirstChange != pOldNext))
- pFirstChange = pFirstChange->nextSib;
- }
- }
- if(pWin->drawable.pScreen->RestackWindow)
- (*pWin->drawable.pScreen->RestackWindow)(pWin, pOldNextSib);
- }
-
-#ifdef ROOTLESS
- /*
- * In rootless mode we can't optimize away window restacks.
- * There may be non-X windows around, so even if the window
- * is in the correct position from X's point of view,
- * the underlying window system may want to reorder it.
- */
- else if (pWin->drawable.pScreen->RestackWindow)
- (*pWin->drawable.pScreen->RestackWindow)(pWin, pWin->nextSib);
-#endif
-
- return pFirstChange;
-}
-
-void
-SetWinSize (WindowPtr pWin)
-{
-#ifdef COMPOSITE
- if (pWin->redirectDraw != RedirectDrawNone)
- {
- BoxRec box;
-
- /*
- * Redirected clients get clip list equal to their
- * own geometry, not clipped to their parent
- */
- box.x1 = pWin->drawable.x;
- box.y1 = pWin->drawable.y;
- box.x2 = pWin->drawable.x + pWin->drawable.width;
- box.y2 = pWin->drawable.y + pWin->drawable.height;
- RegionReset(&pWin->winSize, &box);
- }
- else
-#endif
- ClippedRegionFromBox(pWin->parent, &pWin->winSize,
- pWin->drawable.x, pWin->drawable.y,
- (int)pWin->drawable.width,
- (int)pWin->drawable.height);
- if (wBoundingShape (pWin) || wClipShape (pWin)) {
- RegionTranslate(&pWin->winSize, - pWin->drawable.x,
- - pWin->drawable.y);
- if (wBoundingShape (pWin))
- RegionIntersect(&pWin->winSize, &pWin->winSize,
- wBoundingShape (pWin));
- if (wClipShape (pWin))
- RegionIntersect(&pWin->winSize, &pWin->winSize,
- wClipShape (pWin));
- RegionTranslate(&pWin->winSize, pWin->drawable.x,
- pWin->drawable.y);
- }
-}
-
-void
-SetBorderSize (WindowPtr pWin)
-{
- int bw;
-
- if (HasBorder (pWin)) {
- bw = wBorderWidth (pWin);
-#ifdef COMPOSITE
- if (pWin->redirectDraw != RedirectDrawNone)
- {
- BoxRec box;
-
- /*
- * Redirected clients get clip list equal to their
- * own geometry, not clipped to their parent
- */
- box.x1 = pWin->drawable.x - bw;
- box.y1 = pWin->drawable.y - bw;
- box.x2 = pWin->drawable.x + pWin->drawable.width + bw;
- box.y2 = pWin->drawable.y + pWin->drawable.height + bw;
- RegionReset(&pWin->borderSize, &box);
- }
- else
-#endif
- ClippedRegionFromBox(pWin->parent, &pWin->borderSize,
- pWin->drawable.x - bw, pWin->drawable.y - bw,
- (int)(pWin->drawable.width + (bw<<1)),
- (int)(pWin->drawable.height + (bw<<1)));
- if (wBoundingShape (pWin)) {
- RegionTranslate(&pWin->borderSize, - pWin->drawable.x,
- - pWin->drawable.y);
- RegionIntersect(&pWin->borderSize, &pWin->borderSize,
- wBoundingShape (pWin));
- RegionTranslate(&pWin->borderSize, pWin->drawable.x,
- pWin->drawable.y);
- RegionUnion(&pWin->borderSize, &pWin->borderSize,
- &pWin->winSize);
- }
- } else {
- RegionCopy(&pWin->borderSize, &pWin->winSize);
- }
-}
-
-/**
- *
- * \param x,y new window position
- * \param oldx,oldy old window position
- * \param destx,desty position relative to gravity
- */
-
-void
-GravityTranslate (int x, int y, int oldx, int oldy,
- int dw, int dh, unsigned gravity,
- int *destx, int *desty)
-{
- switch (gravity) {
- case NorthGravity:
- *destx = x + dw / 2;
- *desty = y;
- break;
- case NorthEastGravity:
- *destx = x + dw;
- *desty = y;
- break;
- case WestGravity:
- *destx = x;
- *desty = y + dh / 2;
- break;
- case CenterGravity:
- *destx = x + dw / 2;
- *desty = y + dh / 2;
- break;
- case EastGravity:
- *destx = x + dw;
- *desty = y + dh / 2;
- break;
- case SouthWestGravity:
- *destx = x;
- *desty = y + dh;
- break;
- case SouthGravity:
- *destx = x + dw / 2;
- *desty = y + dh;
- break;
- case SouthEastGravity:
- *destx = x + dw;
- *desty = y + dh;
- break;
- case StaticGravity:
- *destx = oldx;
- *desty = oldy;
- break;
- default:
- *destx = x;
- *desty = y;
- break;
- }
-}
-
-/* XXX need to retile border on each window with ParentRelative origin */
-void
-ResizeChildrenWinSize(WindowPtr pWin, int dx, int dy, int dw, int dh)
-{
- ScreenPtr pScreen;
- WindowPtr pSib, pChild;
- Bool resized = (dw || dh);
-
- pScreen = pWin->drawable.pScreen;
-
- for (pSib = pWin->firstChild; pSib; pSib = pSib->nextSib)
- {
- if (resized && (pSib->winGravity > NorthWestGravity))
- {
- int cwsx, cwsy;
-
- cwsx = pSib->origin.x;
- cwsy = pSib->origin.y;
- GravityTranslate (cwsx, cwsy, cwsx - dx, cwsy - dy, dw, dh,
- pSib->winGravity, &cwsx, &cwsy);
- if (cwsx != pSib->origin.x || cwsy != pSib->origin.y)
- {
- xEvent event;
-
- event.u.u.type = GravityNotify;
- event.u.gravity.window = pSib->drawable.id;
- event.u.gravity.x = cwsx - wBorderWidth (pSib);
- event.u.gravity.y = cwsy - wBorderWidth (pSib);
- DeliverEvents (pSib, &event, 1, NullWindow);
- pSib->origin.x = cwsx;
- pSib->origin.y = cwsy;
- }
- }
- pSib->drawable.x = pWin->drawable.x + pSib->origin.x;
- pSib->drawable.y = pWin->drawable.y + pSib->origin.y;
- SetWinSize (pSib);
- SetBorderSize (pSib);
- (*pScreen->PositionWindow)(pSib, pSib->drawable.x, pSib->drawable.y);
-
- if ( (pChild = pSib->firstChild) )
- {
- while (1)
- {
- pChild->drawable.x = pChild->parent->drawable.x +
- pChild->origin.x;
- pChild->drawable.y = pChild->parent->drawable.y +
- pChild->origin.y;
- SetWinSize (pChild);
- SetBorderSize (pChild);
- (*pScreen->PositionWindow)(pChild,
- pChild->drawable.x, pChild->drawable.y);
- if (pChild->firstChild)
- {
- pChild = pChild->firstChild;
- continue;
- }
- while (!pChild->nextSib && (pChild != pSib))
- pChild = pChild->parent;
- if (pChild == pSib)
- break;
- pChild = pChild->nextSib;
- }
- }
- }
-}
-
-#define GET_INT16(m, f) \
- if (m & mask) \
- { \
- f = (INT16) *pVlist;\
- pVlist++; \
- }
-#define GET_CARD16(m, f) \
- if (m & mask) \
- { \
- f = (CARD16) *pVlist;\
- pVlist++;\
- }
-
-#define GET_CARD8(m, f) \
- if (m & mask) \
- { \
- f = (CARD8) *pVlist;\
- pVlist++;\
- }
-
-#define ChangeMask ((Mask)(CWX | CWY | CWWidth | CWHeight))
-
-#define IllegalInputOnlyConfigureMask (CWBorderWidth)
-
-/*
- * IsSiblingAboveMe
- * returns Above if pSib above pMe in stack or Below otherwise
- */
-
-static int
-IsSiblingAboveMe(
- WindowPtr pMe,
- WindowPtr pSib)
-{
- WindowPtr pWin;
-
- pWin = pMe->parent->firstChild;
- while (pWin)
- {
- if (pWin == pSib)
- return Above;
- else if (pWin == pMe)
- return Below;
- pWin = pWin->nextSib;
- }
- return Below;
-}
-
-static BoxPtr
-WindowExtents(
- WindowPtr pWin,
- BoxPtr pBox)
-{
- pBox->x1 = pWin->drawable.x - wBorderWidth (pWin);
- pBox->y1 = pWin->drawable.y - wBorderWidth (pWin);
- pBox->x2 = pWin->drawable.x + (int)pWin->drawable.width
- + wBorderWidth (pWin);
- pBox->y2 = pWin->drawable.y + (int)pWin->drawable.height
- + wBorderWidth (pWin);
- return pBox;
-}
-
-#define IS_SHAPED(pWin) (wBoundingShape (pWin) != (RegionPtr) NULL)
-
-static RegionPtr
-MakeBoundingRegion (
- WindowPtr pWin,
- BoxPtr pBox)
-{
- RegionPtr pRgn = RegionCreate(pBox, 1);
- if (wBoundingShape (pWin)) {
- RegionTranslate(pRgn, -pWin->origin.x, -pWin->origin.y);
- RegionIntersect(pRgn, pRgn, wBoundingShape (pWin));
- RegionTranslate(pRgn, pWin->origin.x, pWin->origin.y);
- }
- return pRgn;
-}
-
-static Bool
-ShapeOverlap (
- WindowPtr pWin,
- BoxPtr pWinBox,
- WindowPtr pSib,
- BoxPtr pSibBox)
-{
- RegionPtr pWinRgn, pSibRgn;
- Bool ret;
-
- if (!IS_SHAPED(pWin) && !IS_SHAPED(pSib))
- return TRUE;
- pWinRgn = MakeBoundingRegion (pWin, pWinBox);
- pSibRgn = MakeBoundingRegion (pSib, pSibBox);
- RegionIntersect(pWinRgn, pWinRgn, pSibRgn);
- ret = RegionNotEmpty(pWinRgn);
- RegionDestroy(pWinRgn);
- RegionDestroy(pSibRgn);
- return ret;
-}
-
-static Bool
-AnyWindowOverlapsMe(
- WindowPtr pWin,
- WindowPtr pHead,
- BoxPtr box)
-{
- WindowPtr pSib;
- BoxRec sboxrec;
- BoxPtr sbox;
-
- for (pSib = pWin->prevSib; pSib != pHead; pSib = pSib->prevSib)
- {
- if (pSib->mapped)
- {
- sbox = WindowExtents(pSib, &sboxrec);
- if (BOXES_OVERLAP(sbox, box)
- && ShapeOverlap (pWin, box, pSib, sbox)
- )
- return TRUE;
- }
- }
- return FALSE;
-}
-
-static Bool
-IOverlapAnyWindow(
- WindowPtr pWin,
- BoxPtr box)
-{
- WindowPtr pSib;
- BoxRec sboxrec;
- BoxPtr sbox;
-
- for (pSib = pWin->nextSib; pSib; pSib = pSib->nextSib)
- {
- if (pSib->mapped)
- {
- sbox = WindowExtents(pSib, &sboxrec);
- if (BOXES_OVERLAP(sbox, box)
- && ShapeOverlap (pWin, box, pSib, sbox)
- )
- return TRUE;
- }
- }
- return FALSE;
-}
-
-/*
- * WhereDoIGoInTheStack()
- * Given pWin and pSib and the relationshipe smode, return
- * the window that pWin should go ABOVE.
- * If a pSib is specified:
- * Above: pWin is placed just above pSib
- * Below: pWin is placed just below pSib
- * TopIf: if pSib occludes pWin, then pWin is placed
- * at the top of the stack
- * BottomIf: if pWin occludes pSib, then pWin is
- * placed at the bottom of the stack
- * Opposite: if pSib occludes pWin, then pWin is placed at the
- * top of the stack, else if pWin occludes pSib, then
- * pWin is placed at the bottom of the stack
- *
- * If pSib is NULL:
- * Above: pWin is placed at the top of the stack
- * Below: pWin is placed at the bottom of the stack
- * TopIf: if any sibling occludes pWin, then pWin is placed at
- * the top of the stack
- * BottomIf: if pWin occludes any sibline, then pWin is placed at
- * the bottom of the stack
- * Opposite: if any sibling occludes pWin, then pWin is placed at
- * the top of the stack, else if pWin occludes any
- * sibling, then pWin is placed at the bottom of the stack
- *
- */
-
-static WindowPtr
-WhereDoIGoInTheStack(
- WindowPtr pWin,
- WindowPtr pSib,
- short x,
- short y,
- unsigned short w,
- unsigned short h,
- int smode)
-{
- BoxRec box;
- WindowPtr pHead, pFirst;
-
- if ((pWin == pWin->parent->firstChild) &&
- (pWin == pWin->parent->lastChild))
- return((WindowPtr ) NULL);
- pHead = RealChildHead(pWin->parent);
- pFirst = pHead ? pHead->nextSib : pWin->parent->firstChild;
- box.x1 = x;
- box.y1 = y;
- box.x2 = x + (int)w;
- box.y2 = y + (int)h;
- switch (smode)
- {
- case Above:
- if (pSib)
- return pSib;
- else if (pWin == pFirst)
- return pWin->nextSib;
- else
- return pFirst;
- case Below:
- if (pSib)
- if (pSib->nextSib != pWin)
- return pSib->nextSib;
- else
- return pWin->nextSib;
- else
- return NullWindow;
- case TopIf:
- if ((!pWin->mapped || (pSib && !pSib->mapped)))
- return pWin->nextSib;
- else if (pSib)
- {
- if ((IsSiblingAboveMe(pWin, pSib) == Above) &&
- (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT))
- return pFirst;
- else
- return pWin->nextSib;
- }
- else if (AnyWindowOverlapsMe(pWin, pHead, &box))
- return pFirst;
- else
- return pWin->nextSib;
- case BottomIf:
- if ((!pWin->mapped || (pSib && !pSib->mapped)))
- return pWin->nextSib;
- else if (pSib)
- {
- if ((IsSiblingAboveMe(pWin, pSib) == Below) &&
- (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT))
- return NullWindow;
- else
- return pWin->nextSib;
- }
- else if (IOverlapAnyWindow(pWin, &box))
- return NullWindow;
- else
- return pWin->nextSib;
- case Opposite:
- if ((!pWin->mapped || (pSib && !pSib->mapped)))
- return pWin->nextSib;
- else if (pSib)
- {
- if (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT)
- {
- if (IsSiblingAboveMe(pWin, pSib) == Above)
- return pFirst;
- else
- return NullWindow;
- }
- else
- return pWin->nextSib;
- }
- else if (AnyWindowOverlapsMe(pWin, pHead, &box))
- {
- /* If I'm occluded, I can't possibly be the first child
- * if (pWin == pWin->parent->firstChild)
- * return pWin->nextSib;
- */
- return pFirst;
- }
- else if (IOverlapAnyWindow(pWin, &box))
- return NullWindow;
- else
- return pWin->nextSib;
- default:
- {
- /* should never happen; make something up. */
- return pWin->nextSib;
- }
- }
-}
-
-static void
-ReflectStackChange(
- WindowPtr pWin,
- WindowPtr pSib,
- VTKind kind)
-{
-/* Note that pSib might be NULL */
-
- Bool WasViewable = (Bool)pWin->viewable;
- Bool anyMarked;
- WindowPtr pFirstChange;
- WindowPtr pLayerWin;
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- /* if this is a root window, can't be restacked */
- if (!pWin->parent)
- return;
-
- pFirstChange = MoveWindowInStack(pWin, pSib);
-
- if (WasViewable)
- {
- anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pFirstChange,
- &pLayerWin);
- if (pLayerWin != pWin) pFirstChange = pLayerWin;
- if (anyMarked)
- {
- (*pScreen->ValidateTree)(pLayerWin->parent, pFirstChange, kind);
- (*pScreen->HandleExposures)(pLayerWin->parent);
- }
- if (anyMarked && pWin->drawable.pScreen->PostValidateTree)
- (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange, kind);
- }
- if (pWin->realized)
- WindowsRestructured ();
-}
-
-/*****
- * ConfigureWindow
- *****/
-
-int
-ConfigureWindow(WindowPtr pWin, Mask mask, XID *vlist, ClientPtr client)
-{
-#define RESTACK_WIN 0
-#define MOVE_WIN 1
-#define RESIZE_WIN 2
-#define REBORDER_WIN 3
- WindowPtr pSib = NullWindow;
- WindowPtr pParent = pWin->parent;
- Window sibwid = 0;
- Mask index2, tmask;
- XID *pVlist;
- short x, y, beforeX, beforeY;
- unsigned short w = pWin->drawable.width,
- h = pWin->drawable.height,
- bw = pWin->borderWidth;
- int rc, action, smode = Above;
- xEvent event;
-
- if ((pWin->drawable.class == InputOnly) && (mask & IllegalInputOnlyConfigureMask))
- return BadMatch;
-
- if ((mask & CWSibling) && !(mask & CWStackMode))
- return BadMatch;
-
- pVlist = vlist;
-
- if (pParent)
- {
- x = pWin->drawable.x - pParent->drawable.x - (int)bw;
- y = pWin->drawable.y - pParent->drawable.y - (int)bw;
- }
- else
- {
- x = pWin->drawable.x;
- y = pWin->drawable.y;
- }
- beforeX = x;
- beforeY = y;
- action = RESTACK_WIN;
- if ((mask & (CWX | CWY)) && (!(mask & (CWHeight | CWWidth))))
- {
- GET_INT16(CWX, x);
- GET_INT16(CWY, y);
- action = MOVE_WIN;
- }
- /* or should be resized */
- else if (mask & (CWX | CWY | CWWidth | CWHeight))
- {
- GET_INT16(CWX, x);
- GET_INT16(CWY, y);
- GET_CARD16(CWWidth, w);
- GET_CARD16 (CWHeight, h);
- if (!w || !h)
- {
- client->errorValue = 0;
- return BadValue;
- }
- action = RESIZE_WIN;
- }
- tmask = mask & ~ChangeMask;
- while (tmask)
- {
- index2 = (Mask)lowbit (tmask);
- tmask &= ~index2;
- switch (index2)
- {
- case CWBorderWidth:
- GET_CARD16(CWBorderWidth, bw);
- break;
- case CWSibling:
- sibwid = (Window ) *pVlist;
- pVlist++;
- rc = dixLookupWindow(&pSib, sibwid, client, DixGetAttrAccess);
- if (rc != Success)
- {
- client->errorValue = sibwid;
- return rc;
- }
- if (pSib->parent != pParent)
- return BadMatch;
- if (pSib == pWin)
- return BadMatch;
- break;
- case CWStackMode:
- GET_CARD8(CWStackMode, smode);
- if ((smode != TopIf) && (smode != BottomIf) &&
- (smode != Opposite) && (smode != Above) && (smode != Below))
- {
- client->errorValue = smode;
- return BadValue;
- }
- break;
- default:
- client->errorValue = mask;
- return BadValue;
- }
- }
- /* root really can't be reconfigured, so just return */
- if (!pParent)
- return Success;
-
- /* Figure out if the window should be moved. Doesnt
- make the changes to the window if event sent */
-
- if (mask & CWStackMode)
- pSib = WhereDoIGoInTheStack(pWin, pSib, pParent->drawable.x + x,
- pParent->drawable.y + y,
- w + (bw << 1), h + (bw << 1), smode);
- else
- pSib = pWin->nextSib;
-
-
- if ((!pWin->overrideRedirect) &&
- (RedirectSend(pParent)
- ))
- {
- memset(&event, 0, sizeof(xEvent));
- event.u.u.type = ConfigureRequest;
- event.u.configureRequest.window = pWin->drawable.id;
- if (mask & CWSibling)
- event.u.configureRequest.sibling = sibwid;
- else
- event.u.configureRequest.sibling = None;
- if (mask & CWStackMode)
- event.u.u.detail = smode;
- else
- event.u.u.detail = Above;
- event.u.configureRequest.x = x;
- event.u.configureRequest.y = y;
-#ifdef PANORAMIX
- if(!noPanoramiXExtension && (!pParent || !pParent->parent)) {
- event.u.configureRequest.x += screenInfo.screens[0]->x;
- event.u.configureRequest.y += screenInfo.screens[0]->y;
- }
-#endif
- event.u.configureRequest.width = w;
- event.u.configureRequest.height = h;
- event.u.configureRequest.borderWidth = bw;
- event.u.configureRequest.valueMask = mask;
- event.u.configureRequest.parent = pParent->drawable.id;
- if (MaybeDeliverEventsToClient(pParent, &event, 1,
- SubstructureRedirectMask, client) == 1)
- return Success;
- }
- if (action == RESIZE_WIN)
- {
- Bool size_change = (w != pWin->drawable.width)
- || (h != pWin->drawable.height);
- if (size_change && ((pWin->eventMask|wOtherEventMasks(pWin)) & ResizeRedirectMask))
- {
- xEvent eventT;
- memset(&eventT, 0, sizeof(xEvent));
- eventT.u.u.type = ResizeRequest;
- eventT.u.resizeRequest.window = pWin->drawable.id;
- eventT.u.resizeRequest.width = w;
- eventT.u.resizeRequest.height = h;
- if (MaybeDeliverEventsToClient(pWin, &eventT, 1,
- ResizeRedirectMask, client) == 1)
- {
- /* if event is delivered, leave the actual size alone. */
- w = pWin->drawable.width;
- h = pWin->drawable.height;
- size_change = FALSE;
- }
- }
- if (!size_change)
- {
- if (mask & (CWX | CWY))
- action = MOVE_WIN;
- else if (mask & (CWStackMode | CWBorderWidth))
- action = RESTACK_WIN;
- else /* really nothing to do */
- return(Success) ;
- }
- }
-
- if (action == RESIZE_WIN)
- /* we've already checked whether there's really a size change */
- goto ActuallyDoSomething;
- if ((mask & CWX) && (x != beforeX))
- goto ActuallyDoSomething;
- if ((mask & CWY) && (y != beforeY))
- goto ActuallyDoSomething;
- if ((mask & CWBorderWidth) && (bw != wBorderWidth (pWin)))
- goto ActuallyDoSomething;
- if (mask & CWStackMode)
- {
-#ifndef ROOTLESS
- /* See above for why we always reorder in rootless mode. */
- if (pWin->nextSib != pSib)
-#endif
- goto ActuallyDoSomething;
- }
- return Success;
-
-ActuallyDoSomething:
- if (pWin->drawable.pScreen->ConfigNotify)
- {
- int ret;
- ret = (*pWin->drawable.pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib);
- if (ret) {
- client->errorValue = 0;
- return ret;
- }
- }
-
- if (SubStrSend(pWin, pParent))
- {
- memset(&event, 0, sizeof(xEvent));
- event.u.u.type = ConfigureNotify;
- event.u.configureNotify.window = pWin->drawable.id;
- if (pSib)
- event.u.configureNotify.aboveSibling = pSib->drawable.id;
- else
- event.u.configureNotify.aboveSibling = None;
- event.u.configureNotify.x = x;
- event.u.configureNotify.y = y;
-#ifdef PANORAMIX
- if(!noPanoramiXExtension && (!pParent || !pParent->parent)) {
- event.u.configureNotify.x += screenInfo.screens[0]->x;
- event.u.configureNotify.y += screenInfo.screens[0]->y;
- }
-#endif
- event.u.configureNotify.width = w;
- event.u.configureNotify.height = h;
- event.u.configureNotify.borderWidth = bw;
- event.u.configureNotify.override = pWin->overrideRedirect;
- DeliverEvents(pWin, &event, 1, NullWindow);
- }
- if (mask & CWBorderWidth)
- {
- if (action == RESTACK_WIN)
- {
- action = MOVE_WIN;
- pWin->borderWidth = bw;
- }
- else if ((action == MOVE_WIN) &&
- (beforeX + wBorderWidth (pWin) == x + (int)bw) &&
- (beforeY + wBorderWidth (pWin) == y + (int)bw))
- {
- action = REBORDER_WIN;
- (*pWin->drawable.pScreen->ChangeBorderWidth)(pWin, bw);
- }
- else
- pWin->borderWidth = bw;
- }
- if (action == MOVE_WIN)
- (*pWin->drawable.pScreen->MoveWindow)(pWin, x, y, pSib,
- (mask & CWBorderWidth) ? VTOther : VTMove);
- else if (action == RESIZE_WIN)
- (*pWin->drawable.pScreen->ResizeWindow)(pWin, x, y, w, h, pSib);
- else if (mask & CWStackMode)
- ReflectStackChange(pWin, pSib, VTOther);
-
- if (action != RESTACK_WIN)
- CheckCursorConfinement(pWin);
- return Success;
-#undef RESTACK_WIN
-#undef MOVE_WIN
-#undef RESIZE_WIN
-#undef REBORDER_WIN
-}
-
-
-/******
- *
- * CirculateWindow
- * For RaiseLowest, raises the lowest mapped child (if any) that is
- * obscured by another child to the top of the stack. For LowerHighest,
- * lowers the highest mapped child (if any) that is obscuring another
- * child to the bottom of the stack. Exposure processing is performed
- *
- ******/
-
-int
-CirculateWindow(WindowPtr pParent, int direction, ClientPtr client)
-{
- WindowPtr pWin, pHead, pFirst;
- xEvent event;
- BoxRec box;
-
- pHead = RealChildHead(pParent);
- pFirst = pHead ? pHead->nextSib : pParent->firstChild;
- if (direction == RaiseLowest)
- {
- for (pWin = pParent->lastChild;
- (pWin != pHead) &&
- !(pWin->mapped &&
- AnyWindowOverlapsMe(pWin, pHead, WindowExtents(pWin, &box)));
- pWin = pWin->prevSib) ;
- if (pWin == pHead)
- return Success;
- }
- else
- {
- for (pWin = pFirst;
- pWin &&
- !(pWin->mapped &&
- IOverlapAnyWindow(pWin, WindowExtents(pWin, &box)));
- pWin = pWin->nextSib) ;
- if (!pWin)
- return Success;
- }
-
- event.u.circulate.window = pWin->drawable.id;
- event.u.circulate.parent = pParent->drawable.id;
- event.u.circulate.event = pParent->drawable.id;
- if (direction == RaiseLowest)
- event.u.circulate.place = PlaceOnTop;
- else
- event.u.circulate.place = PlaceOnBottom;
-
- if (RedirectSend(pParent))
- {
- event.u.u.type = CirculateRequest;
- if (MaybeDeliverEventsToClient(pParent, &event, 1,
- SubstructureRedirectMask, client) == 1)
- return Success;
- }
-
- event.u.u.type = CirculateNotify;
- DeliverEvents(pWin, &event, 1, NullWindow);
- ReflectStackChange(pWin,
- (direction == RaiseLowest) ? pFirst : NullWindow,
- VTStack);
-
- return Success;
-}
-
-static int
-CompareWIDs(
- WindowPtr pWin,
- pointer value) /* must conform to VisitWindowProcPtr */
-{
- Window *wid = (Window *)value;
-
- if (pWin->drawable.id == *wid)
- return WT_STOPWALKING;
- else
- return WT_WALKCHILDREN;
-}
-
-/*****
- * ReparentWindow
- *****/
-
-int
-ReparentWindow(WindowPtr pWin, WindowPtr pParent,
- int x, int y, ClientPtr client)
-{
- WindowPtr pPrev, pPriorParent;
- Bool WasMapped = (Bool)(pWin->mapped);
- xEvent event;
- int bw = wBorderWidth (pWin);
- ScreenPtr pScreen;
-
- pScreen = pWin->drawable.pScreen;
- if (TraverseTree(pWin, CompareWIDs, (pointer)&pParent->drawable.id) == WT_STOPWALKING)
- return BadMatch;
- if (!MakeWindowOptional(pWin))
- return BadAlloc;
-
- if (WasMapped)
- UnmapWindow(pWin, FALSE);
-
- memset(&event, 0, sizeof(xEvent));
- event.u.u.type = ReparentNotify;
- event.u.reparent.window = pWin->drawable.id;
- event.u.reparent.parent = pParent->drawable.id;
- event.u.reparent.x = x;
- event.u.reparent.y = y;
-#ifdef PANORAMIX
- if(!noPanoramiXExtension && !pParent->parent) {
- event.u.reparent.x += screenInfo.screens[0]->x;
- event.u.reparent.y += screenInfo.screens[0]->y;
- }
-#endif
- event.u.reparent.override = pWin->overrideRedirect;
- DeliverEvents(pWin, &event, 1, pParent);
-
- /* take out of sibling chain */
-
- pPriorParent = pPrev = pWin->parent;
- if (pPrev->firstChild == pWin)
- pPrev->firstChild = pWin->nextSib;
- if (pPrev->lastChild == pWin)
- pPrev->lastChild = pWin->prevSib;
-
- if (pWin->nextSib)
- pWin->nextSib->prevSib = pWin->prevSib;
- if (pWin->prevSib)
- pWin->prevSib->nextSib = pWin->nextSib;
-
- /* insert at begining of pParent */
- pWin->parent = pParent;
- pPrev = RealChildHead(pParent);
- if (pPrev)
- {
- pWin->nextSib = pPrev->nextSib;
- if (pPrev->nextSib)
- pPrev->nextSib->prevSib = pWin;
- else
- pParent->lastChild = pWin;
- pPrev->nextSib = pWin;
- pWin->prevSib = pPrev;
- }
- else
- {
- pWin->nextSib = pParent->firstChild;
- pWin->prevSib = NullWindow;
- if (pParent->firstChild)
- pParent->firstChild->prevSib = pWin;
- else
- pParent->lastChild = pWin;
- pParent->firstChild = pWin;
- }
-
- pWin->origin.x = x + bw;
- pWin->origin.y = y + bw;
- pWin->drawable.x = x + bw + pParent->drawable.x;
- pWin->drawable.y = y + bw + pParent->drawable.y;
-
- /* clip to parent */
- SetWinSize (pWin);
- SetBorderSize (pWin);
-
- if (pScreen->ReparentWindow)
- (*pScreen->ReparentWindow)(pWin, pPriorParent);
- (*pScreen->PositionWindow)(pWin, pWin->drawable.x, pWin->drawable.y);
- ResizeChildrenWinSize(pWin, 0, 0, 0, 0);
-
- CheckWindowOptionalNeed(pWin);
-
- if (WasMapped)
- MapWindow(pWin, client);
- RecalculateDeliverableEvents(pWin);
- return Success;
-}
-
-static void
-RealizeTree(WindowPtr pWin)
-{
- WindowPtr pChild;
- RealizeWindowProcPtr Realize;
-
- Realize = pWin->drawable.pScreen->RealizeWindow;
- pChild = pWin;
- while (1)
- {
- if (pChild->mapped)
- {
- pChild->realized = TRUE;
- pChild->viewable = (pChild->drawable.class == InputOutput);
- (* Realize)(pChild);
- if (pChild->firstChild)
- {
- pChild = pChild->firstChild;
- continue;
- }
- }
- while (!pChild->nextSib && (pChild != pWin))
- pChild = pChild->parent;
- if (pChild == pWin)
- return;
- pChild = pChild->nextSib;
- }
-}
-
-static WindowPtr windowDisableMapUnmapEvents;
-
-void
-DisableMapUnmapEvents(WindowPtr pWin)
-{
- assert (windowDisableMapUnmapEvents == NULL);
-
- windowDisableMapUnmapEvents = pWin;
-}
-
-void
-EnableMapUnmapEvents(WindowPtr pWin)
-{
- assert (windowDisableMapUnmapEvents != NULL);
-
- windowDisableMapUnmapEvents = NULL;
-}
-
-static Bool
-MapUnmapEventsEnabled(WindowPtr pWin)
-{
- return pWin != windowDisableMapUnmapEvents;
-}
-
-/*****
- * MapWindow
- * If some other client has selected SubStructureReDirect on the parent
- * and override-redirect is xFalse, then a MapRequest event is generated,
- * but the window remains unmapped. Otherwise, the window is mapped and a
- * MapNotify event is generated.
- *****/
-
-int
-MapWindow(WindowPtr pWin, ClientPtr client)
-{
- ScreenPtr pScreen;
-
- WindowPtr pParent;
- WindowPtr pLayerWin;
-
- if (pWin->mapped)
- return Success;
-
- /* general check for permission to map window */
- if (XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id, RT_WINDOW,
- pWin, RT_NONE, NULL, DixShowAccess) != Success)
- return Success;
-
- pScreen = pWin->drawable.pScreen;
- if ( (pParent = pWin->parent) )
- {
- xEvent event;
- Bool anyMarked;
-
- if ((!pWin->overrideRedirect) &&
- (RedirectSend(pParent)
- ))
- {
- memset(&event, 0, sizeof(xEvent));
- event.u.u.type = MapRequest;
- event.u.mapRequest.window = pWin->drawable.id;
- event.u.mapRequest.parent = pParent->drawable.id;
-
- if (MaybeDeliverEventsToClient(pParent, &event, 1,
- SubstructureRedirectMask, client) == 1)
- return Success;
- }
-
- pWin->mapped = TRUE;
- if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin))
- {
- memset(&event, 0, sizeof(xEvent));
- event.u.u.type = MapNotify;
- event.u.mapNotify.window = pWin->drawable.id;
- event.u.mapNotify.override = pWin->overrideRedirect;
- DeliverEvents(pWin, &event, 1, NullWindow);
- }
-
- if (!pParent->realized)
- return Success;
- RealizeTree(pWin);
- if (pWin->viewable)
- {
- anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin,
- &pLayerWin);
- if (anyMarked)
- {
- (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTMap);
- (*pScreen->HandleExposures)(pLayerWin->parent);
- }
- if (anyMarked && pScreen->PostValidateTree)
- (*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin, VTMap);
- }
- WindowsRestructured ();
- }
- else
- {
- RegionRec temp;
-
- pWin->mapped = TRUE;
- pWin->realized = TRUE; /* for roots */
- pWin->viewable = pWin->drawable.class == InputOutput;
- /* We SHOULD check for an error value here XXX */
- (*pScreen->RealizeWindow)(pWin);
- if (pScreen->ClipNotify)
- (*pScreen->ClipNotify) (pWin, 0, 0);
- if (pScreen->PostValidateTree)
- (*pScreen->PostValidateTree)(NullWindow, pWin, VTMap);
- RegionNull(&temp);
- RegionCopy(&temp, &pWin->clipList);
- (*pScreen->WindowExposures) (pWin, &temp, NullRegion);
- RegionUninit(&temp);
- }
-
- return Success;
-}
-
-
-/*****
- * MapSubwindows
- * Performs a MapWindow all unmapped children of the window, in top
- * to bottom stacking order.
- *****/
-
-void
-MapSubwindows(WindowPtr pParent, ClientPtr client)
-{
- WindowPtr pWin;
- WindowPtr pFirstMapped = NullWindow;
- ScreenPtr pScreen;
- Mask parentRedirect;
- Mask parentNotify;
- xEvent event;
- Bool anyMarked;
- WindowPtr pLayerWin;
-
- pScreen = pParent->drawable.pScreen;
- parentRedirect = RedirectSend(pParent);
- parentNotify = SubSend(pParent);
- anyMarked = FALSE;
- for (pWin = pParent->firstChild; pWin; pWin = pWin->nextSib)
- {
- if (!pWin->mapped)
- {
- if (parentRedirect && !pWin->overrideRedirect)
- {
- memset(&event, 0, sizeof(xEvent));
- event.u.u.type = MapRequest;
- event.u.mapRequest.window = pWin->drawable.id;
- event.u.mapRequest.parent = pParent->drawable.id;
-
- if (MaybeDeliverEventsToClient(pParent, &event, 1,
- SubstructureRedirectMask, client) == 1)
- continue;
- }
-
- pWin->mapped = TRUE;
- if (parentNotify || StrSend(pWin))
- {
- memset(&event, 0, sizeof(xEvent));
- event.u.u.type = MapNotify;
- event.u.mapNotify.window = pWin->drawable.id;
- event.u.mapNotify.override = pWin->overrideRedirect;
- DeliverEvents(pWin, &event, 1, NullWindow);
- }
-
- if (!pFirstMapped)
- pFirstMapped = pWin;
- if (pParent->realized)
- {
- RealizeTree(pWin);
- if (pWin->viewable)
- {
- anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin,
- (WindowPtr *)NULL);
- }
- }
- }
- }
-
- if (pFirstMapped)
- {
- pLayerWin = (*pScreen->GetLayerWindow)(pParent);
- if (pLayerWin->parent != pParent) {
- anyMarked |= (*pScreen->MarkOverlappedWindows)(pLayerWin,
- pLayerWin,
- (WindowPtr *)NULL);
- pFirstMapped = pLayerWin;
- }
- if (anyMarked)
- {
- (*pScreen->ValidateTree)(pLayerWin->parent, pFirstMapped, VTMap);
- (*pScreen->HandleExposures)(pLayerWin->parent);
- }
- if (anyMarked && pScreen->PostValidateTree)
- (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstMapped,
- VTMap);
- WindowsRestructured ();
- }
-}
-
-static void
-UnrealizeTree(
- WindowPtr pWin,
- Bool fromConfigure)
-{
- WindowPtr pChild;
- UnrealizeWindowProcPtr Unrealize;
- MarkUnrealizedWindowProcPtr MarkUnrealizedWindow;
-
- Unrealize = pWin->drawable.pScreen->UnrealizeWindow;
- MarkUnrealizedWindow = pWin->drawable.pScreen->MarkUnrealizedWindow;
- pChild = pWin;
- while (1)
- {
- if (pChild->realized)
- {
- pChild->realized = FALSE;
- pChild->visibility = VisibilityNotViewable;
-#ifdef PANORAMIX
- if(!noPanoramiXExtension && !pChild->drawable.pScreen->myNum) {
- PanoramiXRes *win;
- int rc = dixLookupResourceByType((pointer *)&win,
- pChild->drawable.id, XRT_WINDOW,
- serverClient, DixWriteAccess);
- if (rc == Success)
- win->u.win.visibility = VisibilityNotViewable;
- }
-#endif
- (* Unrealize)(pChild);
- if (MapUnmapEventsEnabled(pWin))
- DeleteWindowFromAnyEvents(pChild, FALSE);
- if (pChild->viewable)
- {
- pChild->viewable = FALSE;
- (* MarkUnrealizedWindow)(pChild, pWin, fromConfigure);
- pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER;
- }
- if (pChild->firstChild)
- {
- pChild = pChild->firstChild;
- continue;
- }
- }
- while (!pChild->nextSib && (pChild != pWin))
- pChild = pChild->parent;
- if (pChild == pWin)
- return;
- pChild = pChild->nextSib;
- }
-}
-
-/*****
- * UnmapWindow
- * If the window is already unmapped, this request has no effect.
- * Otherwise, the window is unmapped and an UnMapNotify event is
- * generated. Cannot unmap a root window.
- *****/
-
-int
-UnmapWindow(WindowPtr pWin, Bool fromConfigure)
-{
- WindowPtr pParent;
- xEvent event;
- Bool wasRealized = (Bool)pWin->realized;
- Bool wasViewable = (Bool)pWin->viewable;
- ScreenPtr pScreen = pWin->drawable.pScreen;
- WindowPtr pLayerWin = pWin;
-
- if ((!pWin->mapped) || (!(pParent = pWin->parent)))
- return Success;
- if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin))
- {
- memset(&event, 0, sizeof(xEvent));
- event.u.u.type = UnmapNotify;
- event.u.unmapNotify.window = pWin->drawable.id;
- event.u.unmapNotify.fromConfigure = fromConfigure;
- DeliverEvents(pWin, &event, 1, NullWindow);
- }
- if (wasViewable && !fromConfigure)
- {
- pWin->valdata = UnmapValData;
- (*pScreen->MarkOverlappedWindows)(pWin, pWin->nextSib, &pLayerWin);
- (*pScreen->MarkWindow)(pLayerWin->parent);
- }
- pWin->mapped = FALSE;
- if (wasRealized)
- UnrealizeTree(pWin, fromConfigure);
- if (wasViewable)
- {
- if (!fromConfigure)
- {
- (*pScreen->ValidateTree)(pLayerWin->parent, pWin, VTUnmap);
- (*pScreen->HandleExposures)(pLayerWin->parent);
- }
- if (!fromConfigure && pScreen->PostValidateTree)
- (*pScreen->PostValidateTree)(pLayerWin->parent, pWin, VTUnmap);
- }
- if (wasRealized && !fromConfigure)
- WindowsRestructured ();
- return Success;
-}
-
-/*****
- * UnmapSubwindows
- * Performs an UnmapWindow request with the specified mode on all mapped
- * children of the window, in bottom to top stacking order.
- *****/
-
-void
-UnmapSubwindows(WindowPtr pWin)
-{
- WindowPtr pChild, pHead;
- xEvent event;
- Bool wasRealized = (Bool)pWin->realized;
- Bool wasViewable = (Bool)pWin->viewable;
- Bool anyMarked = FALSE;
- Mask parentNotify;
- WindowPtr pLayerWin = NULL;
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- if (!pWin->firstChild)
- return;
- parentNotify = SubSend(pWin);
- pHead = RealChildHead(pWin);
-
- if (wasViewable)
- pLayerWin = (*pScreen->GetLayerWindow)(pWin);
-
- for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib)
- {
- if (pChild->mapped)
- {
- if (parentNotify || StrSend(pChild))
- {
- event.u.u.type = UnmapNotify;
- event.u.unmapNotify.window = pChild->drawable.id;
- event.u.unmapNotify.fromConfigure = xFalse;
- DeliverEvents(pChild, &event, 1, NullWindow);
- }
- if (pChild->viewable)
- {
- pChild->valdata = UnmapValData;
- anyMarked = TRUE;
- }
- pChild->mapped = FALSE;
- if (pChild->realized)
- UnrealizeTree(pChild, FALSE);
- if (wasViewable)
- {
- }
- }
- }
- if (wasViewable)
- {
- if (anyMarked)
- {
- if (pLayerWin->parent == pWin)
- (*pScreen->MarkWindow)(pWin);
- else
- {
- WindowPtr ptmp;
- (*pScreen->MarkOverlappedWindows)(pWin, pLayerWin,
- (WindowPtr *)NULL);
- (*pScreen->MarkWindow)(pLayerWin->parent);
-
- /* Windows between pWin and pLayerWin may not have been marked */
- ptmp = pWin;
-
- while (ptmp != pLayerWin->parent)
- {
- (*pScreen->MarkWindow)(ptmp);
- ptmp = ptmp->parent;
- }
- pHead = pWin->firstChild;
- }
- (*pScreen->ValidateTree)(pLayerWin->parent, pHead, VTUnmap);
- (*pScreen->HandleExposures)(pLayerWin->parent);
- }
- if (anyMarked && pScreen->PostValidateTree)
- (*pScreen->PostValidateTree)(pLayerWin->parent, pHead, VTUnmap);
- }
- if (wasRealized)
- WindowsRestructured ();
-}
-
-
-void
-HandleSaveSet(ClientPtr client)
-{
- WindowPtr pParent, pWin;
- int j;
-
- for (j=0; j<client->numSaved; j++)
- {
- pWin = SaveSetWindow(client->saveSet[j]);
-#ifdef XFIXES
- if (SaveSetToRoot(client->saveSet[j]))
- pParent = pWin->drawable.pScreen->root;
- else
-#endif
- {
- pParent = pWin->parent;
- while (pParent && (wClient (pParent) == client))
- pParent = pParent->parent;
- }
- if (pParent)
- {
- if (pParent != pWin->parent)
- {
-#ifdef XFIXES
- /* unmap first so that ReparentWindow doesn't remap */
- if (!SaveSetShouldMap (client->saveSet[j]))
- UnmapWindow(pWin, FALSE);
-#endif
- ReparentWindow(pWin, pParent,
- pWin->drawable.x - wBorderWidth (pWin) - pParent->drawable.x,
- pWin->drawable.y - wBorderWidth (pWin) - pParent->drawable.y,
- client);
- if(!pWin->realized && pWin->mapped)
- pWin->mapped = FALSE;
- }
-#ifdef XFIXES
- if (SaveSetShouldMap (client->saveSet[j]))
-#endif
- MapWindow(pWin, client);
- }
- }
- free(client->saveSet);
- client->numSaved = 0;
- client->saveSet = (SaveSetElt *)NULL;
-}
-
-/**
- *
- * \param x,y in root
- */
-Bool
-PointInWindowIsVisible(WindowPtr pWin, int x, int y)
-{
- BoxRec box;
-
- if (!pWin->realized)
- return FALSE;
- if (RegionContainsPoint(&pWin->borderClip,
- x, y, &box)
- && (!wInputShape(pWin) ||
- RegionContainsPoint(wInputShape(pWin),
- x - pWin->drawable.x,
- y - pWin->drawable.y, &box)))
- return TRUE;
- return FALSE;
-}
-
-
-RegionPtr
-NotClippedByChildren(WindowPtr pWin)
-{
- RegionPtr pReg = RegionCreate(NullBox, 1);
- if (pWin->parent ||
- screenIsSaved != SCREEN_SAVER_ON ||
- !HasSaverWindow (pWin->drawable.pScreen))
- {
- RegionIntersect(pReg, &pWin->borderClip, &pWin->winSize);
- }
- return pReg;
-}
-
-void
-SendVisibilityNotify(WindowPtr pWin)
-{
- xEvent event;
- unsigned int visibility = pWin->visibility;
-
- if (!MapUnmapEventsEnabled(pWin))
- return;
-#ifdef PANORAMIX
- /* This is not quite correct yet, but it's close */
- if(!noPanoramiXExtension) {
- PanoramiXRes *win;
- WindowPtr pWin2;
- int rc, i, Scrnum;
-
- Scrnum = pWin->drawable.pScreen->myNum;
-
- win = PanoramiXFindIDByScrnum(XRT_WINDOW, pWin->drawable.id, Scrnum);
-
- if(!win || (win->u.win.visibility == visibility))
- return;
-
- switch(visibility) {
- case VisibilityUnobscured:
- FOR_NSCREENS(i) {
- if(i == Scrnum) continue;
-
- rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient,
- DixWriteAccess);
-
- if (rc == Success) {
- if(pWin2->visibility == VisibilityPartiallyObscured)
- return;
-
- if(!i) pWin = pWin2;
- }
- }
- break;
- case VisibilityPartiallyObscured:
- if(Scrnum) {
- rc = dixLookupWindow(&pWin2, win->info[0].id, serverClient,
- DixWriteAccess);
- if (rc == Success) pWin = pWin2;
- }
- break;
- case VisibilityFullyObscured:
- FOR_NSCREENS(i) {
- if(i == Scrnum) continue;
-
- rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient,
- DixWriteAccess);
-
- if (rc == Success) {
- if(pWin2->visibility != VisibilityFullyObscured)
- return;
-
- if(!i) pWin = pWin2;
- }
- }
- break;
- }
-
- win->u.win.visibility = visibility;
- }
-#endif
-
- memset(&event, 0, sizeof(xEvent));
- event.u.u.type = VisibilityNotify;
- event.u.visibility.window = pWin->drawable.id;
- event.u.visibility.state = visibility;
- DeliverEvents(pWin, &event, 1, NullWindow);
-}
-
-#define RANDOM_WIDTH 32
-int
-dixSaveScreens(ClientPtr client, int on, int mode)
-{
- int rc, i, what, type;
-
- if (on == SCREEN_SAVER_FORCER)
- {
- if (mode == ScreenSaverReset)
- what = SCREEN_SAVER_OFF;
- else
- what = SCREEN_SAVER_ON;
- type = what;
- }
- else
- {
- what = on;
- type = what;
- if (what == screenIsSaved)
- type = SCREEN_SAVER_CYCLE;
- }
-
- for (i = 0; i < screenInfo.numScreens; i++) {
- rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i],
- DixShowAccess | DixHideAccess);
- if (rc != Success)
- return rc;
- }
- for (i = 0; i < screenInfo.numScreens; i++)
- {
- ScreenPtr pScreen = screenInfo.screens[i];
- if (on == SCREEN_SAVER_FORCER)
- (* pScreen->SaveScreen) (pScreen, on);
- if (pScreen->screensaver.ExternalScreenSaver)
- {
- if ((*pScreen->screensaver.ExternalScreenSaver)
- (pScreen, type, on == SCREEN_SAVER_FORCER))
- continue;
- }
- if (type == screenIsSaved)
- continue;
- switch (type) {
- case SCREEN_SAVER_OFF:
- if (pScreen->screensaver.blanked == SCREEN_IS_BLANKED)
- {
- (* pScreen->SaveScreen) (pScreen, what);
- }
- else if (HasSaverWindow (pScreen))
- {
- pScreen->screensaver.pWindow = NullWindow;
- FreeResource(pScreen->screensaver.wid, RT_NONE);
- }
- break;
- case SCREEN_SAVER_CYCLE:
- if (pScreen->screensaver.blanked == SCREEN_IS_TILED)
- {
- WindowPtr pWin = pScreen->screensaver.pWindow;
- /* make it look like screen saver is off, so that
- * NotClippedByChildren will compute a clip list
- * for the root window, so miPaintWindow works
- */
- screenIsSaved = SCREEN_SAVER_OFF;
- (*pWin->drawable.pScreen->MoveWindow)(pWin,
- (short)(-(rand() % RANDOM_WIDTH)),
- (short)(-(rand() % RANDOM_WIDTH)),
- pWin->nextSib, VTMove);
- screenIsSaved = SCREEN_SAVER_ON;
- }
- /*
- * Call the DDX saver in case it wants to do something
- * at cycle time
- */
- else if (pScreen->screensaver.blanked == SCREEN_IS_BLANKED)
- {
- (* pScreen->SaveScreen) (pScreen, type);
- }
- break;
- case SCREEN_SAVER_ON:
- if (ScreenSaverBlanking != DontPreferBlanking)
- {
- if ((* pScreen->SaveScreen) (pScreen, what))
- {
- pScreen->screensaver.blanked = SCREEN_IS_BLANKED;
- continue;
- }
- if ((ScreenSaverAllowExposures != DontAllowExposures) &&
- TileScreenSaver(pScreen, SCREEN_IS_BLACK))
- {
- pScreen->screensaver.blanked = SCREEN_IS_BLACK;
- continue;
- }
- }
- if ((ScreenSaverAllowExposures != DontAllowExposures) &&
- TileScreenSaver(pScreen, SCREEN_IS_TILED))
- {
- pScreen->screensaver.blanked = SCREEN_IS_TILED;
- }
- else
- pScreen->screensaver.blanked = SCREEN_ISNT_SAVED;
- break;
- }
- }
- screenIsSaved = what;
- if (mode == ScreenSaverReset) {
- if (on == SCREEN_SAVER_FORCER) {
- UpdateCurrentTimeIf();
- lastDeviceEventTime = currentTime;
- }
- SetScreenSaverTimer();
- }
- return Success;
-}
-
-int
-SaveScreens(int on, int mode)
-{
- return dixSaveScreens(serverClient, on, mode);
-}
-
-static Bool
-TileScreenSaver(ScreenPtr pScreen, int kind)
-{
- int j;
- int result;
- XID attributes[3];
- Mask mask;
- WindowPtr pWin;
- CursorMetricRec cm;
- unsigned char *srcbits, *mskbits;
- CursorPtr cursor;
- XID cursorID = 0;
- int attri;
-
- mask = 0;
- attri = 0;
- switch (kind) {
- case SCREEN_IS_TILED:
- switch (pScreen->root->backgroundState) {
- case BackgroundPixel:
- attributes[attri++] = pScreen->root->background.pixel;
- mask |= CWBackPixel;
- break;
- case BackgroundPixmap:
- attributes[attri++] = None;
- mask |= CWBackPixmap;
- break;
- default:
- break;
- }
- break;
- case SCREEN_IS_BLACK:
- attributes[attri++] = pScreen->root->drawable.pScreen->blackPixel;
- mask |= CWBackPixel;
- break;
- }
- mask |= CWOverrideRedirect;
- attributes[attri++] = xTrue;
-
- /*
- * create a blank cursor
- */
-
- cm.width=16;
- cm.height=16;
- cm.xhot=8;
- cm.yhot=8;
- srcbits = malloc( BitmapBytePad(32)*16);
- mskbits = malloc( BitmapBytePad(32)*16);
- if (!srcbits || !mskbits)
- {
- free(srcbits);
- free(mskbits);
- cursor = 0;
- }
- else
- {
- for (j=0; j<BitmapBytePad(32)*16; j++)
- srcbits[j] = mskbits[j] = 0x0;
- result = AllocARGBCursor(srcbits, mskbits, NULL, &cm, 0, 0, 0, 0, 0, 0,
- &cursor, serverClient, (XID)0);
- if (cursor)
- {
- cursorID = FakeClientID(0);
- if (AddResource (cursorID, RT_CURSOR, (pointer) cursor))
- {
- attributes[attri] = cursorID;
- mask |= CWCursor;
- }
- else
- cursor = 0;
- }
- else
- {
- free(srcbits);
- free(mskbits);
- }
- }
-
- pWin = pScreen->screensaver.pWindow =
- CreateWindow(pScreen->screensaver.wid,
- pScreen->root,
- -RANDOM_WIDTH, -RANDOM_WIDTH,
- (unsigned short)pScreen->width + RANDOM_WIDTH,
- (unsigned short)pScreen->height + RANDOM_WIDTH,
- 0, InputOutput, mask, attributes, 0, serverClient,
- wVisual (pScreen->root), &result);
-
- if (cursor)
- FreeResource (cursorID, RT_NONE);
-
- if (!pWin)
- return FALSE;
-
- if (!AddResource(pWin->drawable.id, RT_WINDOW,
- (pointer)pScreen->screensaver.pWindow))
- return FALSE;
-
- if (mask & CWBackPixmap)
- {
- MakeRootTile (pWin);
- (*pWin->drawable.pScreen->ChangeWindowAttributes)(pWin, CWBackPixmap);
- }
- MapWindow(pWin, serverClient);
- return TRUE;
-}
-
-/*
- * FindWindowWithOptional
- *
- * search ancestors of the given window for an entry containing
- * a WindowOpt structure. Assumptions: some parent will
- * contain the structure.
- */
-
-WindowPtr
-FindWindowWithOptional (WindowPtr w)
-{
- do
- w = w->parent;
- while (!w->optional);
- return w;
-}
-
-/*
- * CheckWindowOptionalNeed
- *
- * check each optional entry in the given window to see if
- * the value is satisfied by the default rules. If so,
- * release the optional record
- */
-
-void
-CheckWindowOptionalNeed (WindowPtr w)
-{
- WindowOptPtr optional;
- WindowOptPtr parentOptional;
-
- if (!w->parent || !w->optional)
- return;
- optional = w->optional;
- if (optional->dontPropagateMask != DontPropagateMasks[w->dontPropagate])
- return;
- if (optional->otherEventMasks != 0)
- return;
- if (optional->otherClients != NULL)
- return;
- if (optional->passiveGrabs != NULL)
- return;
- if (optional->userProps != NULL)
- return;
- if (optional->backingBitPlanes != ~0L)
- return;
- if (optional->backingPixel != 0)
- return;
- if (optional->boundingShape != NULL)
- return;
- if (optional->clipShape != NULL)
- return;
- if (optional->inputShape != NULL)
- return;
- if (optional->inputMasks != NULL)
- return;
- if (optional->deviceCursors != NULL)
- {
- DevCursNodePtr pNode = optional->deviceCursors;
- while(pNode)
- {
- if (pNode->cursor != None)
- return;
- pNode = pNode->next;
- }
- }
-
- parentOptional = FindWindowWithOptional(w)->optional;
- if (optional->visual != parentOptional->visual)
- return;
- if (optional->cursor != None &&
- (optional->cursor != parentOptional->cursor ||
- w->parent->cursorIsNone))
- return;
- if (optional->colormap != parentOptional->colormap)
- return;
- DisposeWindowOptional (w);
-}
-
-/*
- * MakeWindowOptional
- *
- * create an optional record and initialize it with the default
- * values.
- */
-
-Bool
-MakeWindowOptional (WindowPtr pWin)
-{
- WindowOptPtr optional;
- WindowOptPtr parentOptional;
-
- if (pWin->optional)
- return TRUE;
- optional = malloc(sizeof (WindowOptRec));
- if (!optional)
- return FALSE;
- optional->dontPropagateMask = DontPropagateMasks[pWin->dontPropagate];
- optional->otherEventMasks = 0;
- optional->otherClients = NULL;
- optional->passiveGrabs = NULL;
- optional->userProps = NULL;
- optional->backingBitPlanes = ~0L;
- optional->backingPixel = 0;
- optional->boundingShape = NULL;
- optional->clipShape = NULL;
- optional->inputShape = NULL;
- optional->inputMasks = NULL;
- optional->deviceCursors = NULL;
-
- parentOptional = FindWindowWithOptional(pWin)->optional;
- optional->visual = parentOptional->visual;
- if (!pWin->cursorIsNone)
- {
- optional->cursor = parentOptional->cursor;
- optional->cursor->refcnt++;
- }
- else
- {
- optional->cursor = None;
- }
- optional->colormap = parentOptional->colormap;
- pWin->optional = optional;
- return TRUE;
-}
-
-/*
- * Changes the cursor struct for the given device and the given window.
- * A cursor that does not have a device cursor set will use whatever the
- * standard cursor is for the window. If all devices have a cursor set,
- * changing the window cursor (e.g. using XDefineCursor()) will not have any
- * visible effect. Only when one of the device cursors is set to None again,
- * this device's cursor will display the changed standard cursor.
- *
- * CursorIsNone of the window struct is NOT modified if you set a device
- * cursor.
- *
- * Assumption: If there is a node for a device in the list, the device has a
- * cursor. If the cursor is set to None, it is inherited by the parent.
- */
-int
-ChangeWindowDeviceCursor(WindowPtr pWin,
- DeviceIntPtr pDev,
- CursorPtr pCursor)
-{
- DevCursNodePtr pNode, pPrev;
- CursorPtr pOldCursor = NULL;
- ScreenPtr pScreen;
- WindowPtr pChild;
-
- if (!pWin->optional && !MakeWindowOptional(pWin))
- return BadAlloc;
-
- /* 1) Check if window has device cursor set
- * Yes: 1.1) swap cursor with given cursor if parent does not have same
- * cursor, free old cursor
- * 1.2) free old cursor, use parent cursor
- * No: 1.1) add node to beginning of list.
- * 1.2) add cursor to node if parent does not have same cursor
- * 1.3) use parent cursor if parent does not have same cursor
- * 2) Patch up children if child has a devcursor
- * 2.1) if child has cursor None, it inherited from parent, set to old
- * cursor
- * 2.2) if child has same cursor as new cursor, remove and set to None
- */
-
- pScreen = pWin->drawable.pScreen;
-
- if (WindowSeekDeviceCursor(pWin, pDev, &pNode, &pPrev))
- {
- /* has device cursor */
-
- if (pNode->cursor == pCursor)
- return Success;
-
- pOldCursor = pNode->cursor;
-
- if (!pCursor) /* remove from list */
- {
- if(pPrev)
- pPrev->next = pNode->next;
- else
- /* first item in list */
- pWin->optional->deviceCursors = pNode->next;
-
- free(pNode);
- goto out;
- }
-
- } else
- {
- /* no device cursor yet */
- DevCursNodePtr pNewNode;
-
- if (!pCursor)
- return Success;
-
- pNewNode = malloc(sizeof(DevCursNodeRec));
- pNewNode->dev = pDev;
- pNewNode->next = pWin->optional->deviceCursors;
- pWin->optional->deviceCursors = pNewNode;
- pNode = pNewNode;
-
- }
-
- if (pCursor && WindowParentHasDeviceCursor(pWin, pDev, pCursor))
- pNode->cursor = None;
- else
- {
- pNode->cursor = pCursor;
- pCursor->refcnt++;
- }
-
- pNode = pPrev = NULL;
- /* fix up children */
- for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
- {
- if (WindowSeekDeviceCursor(pChild, pDev, &pNode, &pPrev))
- {
- if (pNode->cursor == None) /* inherited from parent */
- {
- pNode->cursor = pOldCursor;
- pOldCursor->refcnt++;
- } else if (pNode->cursor == pCursor)
- {
- pNode->cursor = None;
- FreeCursor(pCursor, (Cursor)0); /* fix up refcnt */
- }
- }
- }
-
-out:
- if (pWin->realized)
- WindowHasNewCursor(pWin);
-
- if (pOldCursor)
- FreeCursor(pOldCursor, (Cursor)0);
-
- /* FIXME: We SHOULD check for an error value here XXX
- (comment taken from ChangeWindowAttributes) */
- (*pScreen->ChangeWindowAttributes)(pWin, CWCursor);
-
- return Success;
-}
-
-/* Get device cursor for given device or None if none is set */
-CursorPtr
-WindowGetDeviceCursor(WindowPtr pWin, DeviceIntPtr pDev)
-{
- DevCursorList pList;
-
- if (!pWin->optional || !pWin->optional->deviceCursors)
- return NULL;
-
- pList = pWin->optional->deviceCursors;
-
- while(pList)
- {
- if (pList->dev == pDev)
- {
- if (pList->cursor == None) /* inherited from parent */
- return WindowGetDeviceCursor(pWin->parent, pDev);
- else
- return pList->cursor;
- }
- pList = pList->next;
- }
- return NULL;
-}
-
-/* Searches for a DevCursorNode for the given window and device. If one is
- * found, return True and set pNode and pPrev to the node and to the node
- * before the node respectively. Otherwise return False.
- * If the device is the first in list, pPrev is set to NULL.
- */
-static Bool
-WindowSeekDeviceCursor(WindowPtr pWin,
- DeviceIntPtr pDev,
- DevCursNodePtr* pNode,
- DevCursNodePtr* pPrev)
-{
- DevCursorList pList;
-
- if (!pWin->optional)
- return FALSE;
-
- pList = pWin->optional->deviceCursors;
-
- if (pList && pList->dev == pDev)
- {
- *pNode = pList;
- *pPrev = NULL;
- return TRUE;
- }
-
- while(pList)
- {
- if (pList->next)
- {
- if (pList->next->dev == pDev)
- {
- *pNode = pList->next;
- *pPrev = pList;
- return TRUE;
- }
- }
- pList = pList->next;
- }
- return FALSE;
-}
-
-/* Return True if a parent has the same device cursor set or False if
- * otherwise
- */
-static Bool
-WindowParentHasDeviceCursor(WindowPtr pWin,
- DeviceIntPtr pDev,
- CursorPtr pCursor)
-{
- WindowPtr pParent;
- DevCursNodePtr pParentNode, pParentPrev;
-
- pParent = pWin->parent;
- while(pParent)
- {
- if (WindowSeekDeviceCursor(pParent, pDev,
- &pParentNode, &pParentPrev))
- {
- /* if there is a node in the list, the win has a dev cursor */
- if (!pParentNode->cursor) /* inherited. */
- pParent = pParent->parent;
- else if (pParentNode->cursor == pCursor) /* inherit */
- return TRUE;
- else /* different cursor */
- return FALSE;
- }
- else
- /* parent does not have a device cursor for our device */
- return FALSE;
- }
- return FALSE;
-}
+/*
+
+Copyright (c) 2006, Red Hat, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+*/
+
+/* The panoramix components contained the following notice */
+/*****************************************************************
+
+Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
+BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of Digital Equipment Corporation
+shall not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from Digital
+Equipment Corporation.
+
+******************************************************************/
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "misc.h"
+#include "scrnintstr.h"
+#include "os.h"
+#include "regionstr.h"
+#include "validate.h"
+#include "windowstr.h"
+#include "input.h"
+#include "inputstr.h"
+#include "resource.h"
+#include "colormapst.h"
+#include "cursorstr.h"
+#include "dixstruct.h"
+#include "gcstruct.h"
+#include "servermd.h"
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+#endif
+#include "dixevents.h"
+#include "globals.h"
+#include "mi.h" /* miPaintWindow */
+
+#include "privates.h"
+#include "xace.h"
+
+/******
+ * Window stuff for server
+ *
+ * CreateRootWindow, CreateWindow, ChangeWindowAttributes,
+ * GetWindowAttributes, DeleteWindow, DestroySubWindows,
+ * HandleSaveSet, ReparentWindow, MapWindow, MapSubWindows,
+ * UnmapWindow, UnmapSubWindows, ConfigureWindow, CirculateWindow,
+ * ChangeWindowDeviceCursor
+ ******/
+
+Bool bgNoneRoot = FALSE;
+
+static unsigned char _back_lsb[4] = {0x88, 0x22, 0x44, 0x11};
+static unsigned char _back_msb[4] = {0x11, 0x44, 0x22, 0x88};
+
+static Bool WindowParentHasDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ CursorPtr pCurs);
+static Bool
+WindowSeekDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ DevCursNodePtr* pNode,
+ DevCursNodePtr* pPrev);
+
+int screenIsSaved = SCREEN_SAVER_OFF;
+
+static Bool TileScreenSaver(ScreenPtr pScreen, int kind);
+
+#define INPUTONLY_LEGAL_MASK (CWWinGravity | CWEventMask | \
+ CWDontPropagate | CWOverrideRedirect | CWCursor )
+
+#define BOXES_OVERLAP(b1, b2) \
+ (!( ((b1)->x2 <= (b2)->x1) || \
+ ( ((b1)->x1 >= (b2)->x2)) || \
+ ( ((b1)->y2 <= (b2)->y1)) || \
+ ( ((b1)->y1 >= (b2)->y2)) ) )
+
+#define RedirectSend(pWin) \
+ ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureRedirectMask)
+
+#define SubSend(pWin) \
+ ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureNotifyMask)
+
+#define StrSend(pWin) \
+ ((pWin->eventMask|wOtherEventMasks(pWin)) & StructureNotifyMask)
+
+#define SubStrSend(pWin,pParent) (StrSend(pWin) || SubSend(pParent))
+
+#ifdef DEBUG
+/******
+ * PrintWindowTree
+ * For debugging only
+ ******/
+
+static void
+PrintChildren(WindowPtr p1, int indent)
+{
+ WindowPtr p2;
+ int i;
+
+ while (p1)
+ {
+ p2 = p1->firstChild;
+ ErrorF("[dix] ");
+ for (i=0; i<indent; i++) ErrorF(" ");
+ ErrorF("%lx\n", p1->drawable.id);
+ RegionPrint(&p1->clipList);
+ PrintChildren(p2, indent+4);
+ p1 = p1->nextSib;
+ }
+}
+
+static void
+PrintWindowTree(void)
+{
+ int i;
+ WindowPtr pWin, p1;
+
+ for (i=0; i<screenInfo.numScreens; i++)
+ {
+ ErrorF("[dix] WINDOW %d\n", i);
+ pWin = screenInfo.screens[i]->root;
+ RegionPrint(&pWin->clipList);
+ p1 = pWin->firstChild;
+ PrintChildren(p1, 4);
+ }
+}
+#endif
+
+int
+TraverseTree(WindowPtr pWin, VisitWindowProcPtr func, pointer data)
+{
+ int result;
+ WindowPtr pChild;
+
+ if (!(pChild = pWin))
+ return WT_NOMATCH;
+ while (1)
+ {
+ result = (* func)(pChild, data);
+ if (result == WT_STOPWALKING)
+ return WT_STOPWALKING;
+ if ((result == WT_WALKCHILDREN) && pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ break;
+ pChild = pChild->nextSib;
+ }
+ return WT_NOMATCH;
+}
+
+/*****
+ * WalkTree
+ * Walk the window tree, for SCREEN, preforming FUNC(pWin, data) on
+ * each window. If FUNC returns WT_WALKCHILDREN, traverse the children,
+ * if it returns WT_DONTWALKCHILDREN, dont. If it returns WT_STOPWALKING
+ * exit WalkTree. Does depth-first traverse.
+ *****/
+
+int
+WalkTree(ScreenPtr pScreen, VisitWindowProcPtr func, pointer data)
+{
+ return(TraverseTree(pScreen->root, func, data));
+}
+
+/* hack for forcing backing store on all windows */
+int defaultBackingStore = NotUseful;
+/* hack to force no backing store */
+Bool disableBackingStore = FALSE;
+Bool enableBackingStore = FALSE;
+
+static void
+SetWindowToDefaults(WindowPtr pWin)
+{
+ pWin->prevSib = NullWindow;
+ pWin->firstChild = NullWindow;
+ pWin->lastChild = NullWindow;
+
+ pWin->valdata = (ValidatePtr)NULL;
+ pWin->optional = (WindowOptPtr)NULL;
+ pWin->cursorIsNone = TRUE;
+
+ pWin->backingStore = NotUseful;
+ pWin->DIXsaveUnder = FALSE;
+ pWin->backStorage = (pointer) NULL;
+
+ pWin->mapped = FALSE; /* off */
+ pWin->realized = FALSE; /* off */
+ pWin->viewable = FALSE;
+ pWin->visibility = VisibilityNotViewable;
+ pWin->overrideRedirect = FALSE;
+ pWin->saveUnder = FALSE;
+
+ pWin->bitGravity = ForgetGravity;
+ pWin->winGravity = NorthWestGravity;
+
+ pWin->eventMask = 0;
+ pWin->deliverableEvents = 0;
+ pWin->dontPropagate = 0;
+ pWin->forcedBS = FALSE;
+ pWin->redirectDraw = RedirectDrawNone;
+ pWin->forcedBG = FALSE;
+
+#ifdef ROOTLESS
+ pWin->rootlessUnhittable = FALSE;
+#endif
+
+#ifdef COMPOSITE
+ pWin->damagedDescendants = FALSE;
+#endif
+}
+
+static void
+MakeRootTile(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ GCPtr pGC;
+ unsigned char back[128];
+ int len = BitmapBytePad(sizeof(long));
+ unsigned char *from, *to;
+ int i, j;
+
+ pWin->background.pixmap = (*pScreen->CreatePixmap)(pScreen, 4, 4,
+ pScreen->rootDepth, 0);
+
+ pWin->backgroundState = BackgroundPixmap;
+ pGC = GetScratchGC(pScreen->rootDepth, pScreen);
+ if (!pWin->background.pixmap || !pGC)
+ FatalError("could not create root tile");
+
+ {
+ ChangeGCVal attributes[2];
+
+ attributes[0].val = pScreen->whitePixel;
+ attributes[1].val = pScreen->blackPixel;
+
+ (void)ChangeGC(NullClient, pGC, GCForeground | GCBackground, attributes);
+ }
+
+ ValidateGC((DrawablePtr)pWin->background.pixmap, pGC);
+
+ from = (screenInfo.bitmapBitOrder == LSBFirst) ? _back_lsb : _back_msb;
+ to = back;
+
+ for (i = 4; i > 0; i--, from++)
+ for (j = len; j > 0; j--)
+ *to++ = *from;
+
+ (*pGC->ops->PutImage)((DrawablePtr)pWin->background.pixmap, pGC, 1,
+ 0, 0, len, 4, 0, XYBitmap, (char *)back);
+
+ FreeScratchGC(pGC);
+
+}
+
+/*****
+ * CreateRootWindow
+ * Makes a window at initialization time for specified screen
+ *****/
+
+Bool
+CreateRootWindow(ScreenPtr pScreen)
+{
+ WindowPtr pWin;
+ BoxRec box;
+ PixmapFormatRec *format;
+
+ pWin = dixAllocateObjectWithPrivates(WindowRec, PRIVATE_WINDOW);
+ if (!pWin)
+ return FALSE;
+
+ pScreen->screensaver.pWindow = NULL;
+ pScreen->screensaver.wid = FakeClientID(0);
+ pScreen->screensaver.ExternalScreenSaver = NULL;
+ screenIsSaved = SCREEN_SAVER_OFF;
+
+ pScreen->root = pWin;
+
+ pWin->drawable.pScreen = pScreen;
+ pWin->drawable.type = DRAWABLE_WINDOW;
+
+ pWin->drawable.depth = pScreen->rootDepth;
+ for (format = screenInfo.formats;
+ format->depth != pScreen->rootDepth;
+ format++)
+ ;
+ pWin->drawable.bitsPerPixel = format->bitsPerPixel;
+
+ pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+
+ pWin->parent = NullWindow;
+ SetWindowToDefaults(pWin);
+
+ pWin->optional = malloc(sizeof (WindowOptRec));
+ if (!pWin->optional)
+ return FALSE;
+
+ pWin->optional->dontPropagateMask = 0;
+ pWin->optional->otherEventMasks = 0;
+ pWin->optional->otherClients = NULL;
+ pWin->optional->passiveGrabs = NULL;
+ pWin->optional->userProps = NULL;
+ pWin->optional->backingBitPlanes = ~0L;
+ pWin->optional->backingPixel = 0;
+ pWin->optional->boundingShape = NULL;
+ pWin->optional->clipShape = NULL;
+ pWin->optional->inputShape = NULL;
+ pWin->optional->inputMasks = NULL;
+ pWin->optional->deviceCursors = NULL;
+ pWin->optional->colormap = pScreen->defColormap;
+ pWin->optional->visual = pScreen->rootVisual;
+
+ pWin->nextSib = NullWindow;
+
+ pWin->drawable.id = FakeClientID(0);
+
+ pWin->origin.x = pWin->origin.y = 0;
+ pWin->drawable.height = pScreen->height;
+ pWin->drawable.width = pScreen->width;
+ pWin->drawable.x = pWin->drawable.y = 0;
+
+ box.x1 = 0;
+ box.y1 = 0;
+ box.x2 = pScreen->width;
+ box.y2 = pScreen->height;
+ RegionInit(&pWin->clipList, &box, 1);
+ RegionInit(&pWin->winSize, &box, 1);
+ RegionInit(&pWin->borderSize, &box, 1);
+ RegionInit(&pWin->borderClip, &box, 1);
+
+ pWin->drawable.class = InputOutput;
+ pWin->optional->visual = pScreen->rootVisual;
+
+ pWin->backgroundState = BackgroundPixel;
+ pWin->background.pixel = pScreen->whitePixel;
+
+ pWin->borderIsPixel = TRUE;
+ pWin->border.pixel = pScreen->blackPixel;
+ pWin->borderWidth = 0;
+
+ /* security creation/labeling check
+ */
+ if (XaceHook(XACE_RESOURCE_ACCESS, serverClient, pWin->drawable.id,
+ RT_WINDOW, pWin, RT_NONE, NULL, DixCreateAccess))
+ return FALSE;
+
+ if (!AddResource(pWin->drawable.id, RT_WINDOW, (pointer)pWin))
+ return FALSE;
+
+ if (disableBackingStore)
+ pScreen->backingStoreSupport = NotUseful;
+ if (enableBackingStore)
+ pScreen->backingStoreSupport = Always;
+
+ pScreen->saveUnderSupport = NotUseful;
+
+ return TRUE;
+}
+
+void
+InitRootWindow(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ int backFlag = CWBorderPixel | CWCursor | CWBackingStore;
+
+ if (!(*pScreen->CreateWindow)(pWin))
+ return; /* XXX */
+ (*pScreen->PositionWindow)(pWin, 0, 0);
+
+ pWin->cursorIsNone = FALSE;
+ pWin->optional->cursor = rootCursor;
+ rootCursor->refcnt++;
+
+
+ if (party_like_its_1989) {
+ MakeRootTile(pWin);
+ backFlag |= CWBackPixmap;
+ } else if (pScreen->canDoBGNoneRoot && bgNoneRoot) {
+ pWin->backgroundState = XaceBackgroundNoneState(pWin);
+ pWin->background.pixel = pScreen->whitePixel;
+ backFlag |= CWBackPixmap;
+ } else {
+ if (whiteRoot)
+ pWin->background.pixel = pScreen->whitePixel;
+ else
+ pWin->background.pixel = pScreen->blackPixel;
+ backFlag |= CWBackPixel;
+ }
+
+ pWin->backingStore = defaultBackingStore;
+ pWin->forcedBS = (defaultBackingStore != NotUseful);
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->ChangeWindowAttributes)(pWin, backFlag);
+
+ MapWindow(pWin, serverClient);
+}
+
+/* Set the region to the intersection of the rectangle and the
+ * window's winSize. The window is typically the parent of the
+ * window from which the region came.
+ */
+
+static void
+ClippedRegionFromBox(WindowPtr pWin, RegionPtr Rgn,
+ int x, int y,
+ int w, int h)
+{
+ BoxRec box = *RegionExtents(&pWin->winSize);
+
+ /* we do these calculations to avoid overflows */
+ if (x > box.x1)
+ box.x1 = x;
+ if (y > box.y1)
+ box.y1 = y;
+ x += w;
+ if (x < box.x2)
+ box.x2 = x;
+ y += h;
+ if (y < box.y2)
+ box.y2 = y;
+ if (box.x1 > box.x2)
+ box.x2 = box.x1;
+ if (box.y1 > box.y2)
+ box.y2 = box.y1;
+ RegionReset(Rgn, &box);
+ RegionIntersect(Rgn, Rgn, &pWin->winSize);
+}
+
+static RealChildHeadProc realChildHeadProc = NULL;
+
+void
+RegisterRealChildHeadProc (RealChildHeadProc proc)
+{
+ realChildHeadProc = proc;
+}
+
+
+WindowPtr
+RealChildHead(WindowPtr pWin)
+{
+ if (realChildHeadProc) {
+ return realChildHeadProc (pWin);
+ }
+
+ if (!pWin->parent &&
+ (screenIsSaved == SCREEN_SAVER_ON) &&
+ (HasSaverWindow (pWin->drawable.pScreen)))
+ return pWin->firstChild;
+ else
+ return NullWindow;
+}
+
+/*****
+ * CreateWindow
+ * Makes a window in response to client request
+ *****/
+
+WindowPtr
+CreateWindow(Window wid, WindowPtr pParent, int x, int y, unsigned w,
+ unsigned h, unsigned bw, unsigned class, Mask vmask, XID *vlist,
+ int depth, ClientPtr client, VisualID visual, int *error)
+{
+ WindowPtr pWin;
+ WindowPtr pHead;
+ ScreenPtr pScreen;
+ xEvent event;
+ int idepth, ivisual;
+ Bool fOK;
+ DepthPtr pDepth;
+ PixmapFormatRec *format;
+ WindowOptPtr ancwopt;
+
+ if (class == CopyFromParent)
+ class = pParent->drawable.class;
+
+ if ((class != InputOutput) && (class != InputOnly))
+ {
+ *error = BadValue;
+ client->errorValue = class;
+ return NullWindow;
+ }
+
+ if ((class != InputOnly) && (pParent->drawable.class == InputOnly))
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+
+ if ((class == InputOnly) && ((bw != 0) || (depth != 0)))
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+
+ pScreen = pParent->drawable.pScreen;
+ if ((class == InputOutput) && (depth == 0))
+ depth = pParent->drawable.depth;
+ ancwopt = pParent->optional;
+ if (!ancwopt)
+ ancwopt = FindWindowWithOptional(pParent)->optional;
+ if (visual == CopyFromParent) {
+ visual = ancwopt->visual;
+ }
+
+ /* Find out if the depth and visual are acceptable for this Screen */
+ if ((visual != ancwopt->visual) || (depth != pParent->drawable.depth))
+ {
+ fOK = FALSE;
+ for(idepth = 0; idepth < pScreen->numDepths; idepth++)
+ {
+ pDepth = (DepthPtr) &pScreen->allowedDepths[idepth];
+ if ((depth == pDepth->depth) || (depth == 0))
+ {
+ for (ivisual = 0; ivisual < pDepth->numVids; ivisual++)
+ {
+ if (visual == pDepth->vids[ivisual])
+ {
+ fOK = TRUE;
+ break;
+ }
+ }
+ }
+ }
+ if (fOK == FALSE)
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+ }
+
+ if (((vmask & (CWBorderPixmap | CWBorderPixel)) == 0) &&
+ (class != InputOnly) &&
+ (depth != pParent->drawable.depth))
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+
+ if (((vmask & CWColormap) == 0) &&
+ (class != InputOnly) &&
+ ((visual != ancwopt->visual) || (ancwopt->colormap == None)))
+ {
+ *error = BadMatch;
+ return NullWindow;
+ }
+
+ pWin = dixAllocateObjectWithPrivates(WindowRec, PRIVATE_WINDOW);
+ if (!pWin)
+ {
+ *error = BadAlloc;
+ return NullWindow;
+ }
+ pWin->drawable = pParent->drawable;
+ pWin->drawable.depth = depth;
+ if (depth == pParent->drawable.depth)
+ pWin->drawable.bitsPerPixel = pParent->drawable.bitsPerPixel;
+ else
+ {
+ for (format = screenInfo.formats; format->depth != depth; format++)
+ ;
+ pWin->drawable.bitsPerPixel = format->bitsPerPixel;
+ }
+ if (class == InputOnly)
+ pWin->drawable.type = (short) UNDRAWABLE_WINDOW;
+ pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+
+ pWin->drawable.id = wid;
+ pWin->drawable.class = class;
+
+ pWin->parent = pParent;
+ SetWindowToDefaults(pWin);
+
+ if (visual != ancwopt->visual)
+ {
+ if (!MakeWindowOptional (pWin))
+ {
+ dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW);
+ *error = BadAlloc;
+ return NullWindow;
+ }
+ pWin->optional->visual = visual;
+ pWin->optional->colormap = None;
+ }
+
+ pWin->borderWidth = bw;
+
+ /* security creation/labeling check
+ */
+ *error = XaceHook(XACE_RESOURCE_ACCESS, client, wid, RT_WINDOW, pWin,
+ RT_WINDOW, pWin->parent, DixCreateAccess|DixSetAttrAccess);
+ if (*error != Success) {
+ dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW);
+ return NullWindow;
+ }
+
+ pWin->backgroundState = XaceBackgroundNoneState(pWin);
+ pWin->background.pixel = pScreen->whitePixel;
+
+ pWin->borderIsPixel = pParent->borderIsPixel;
+ pWin->border = pParent->border;
+ if (pWin->borderIsPixel == FALSE)
+ pWin->border.pixmap->refcnt++;
+
+ pWin->origin.x = x + (int)bw;
+ pWin->origin.y = y + (int)bw;
+ pWin->drawable.width = w;
+ pWin->drawable.height = h;
+ pWin->drawable.x = pParent->drawable.x + x + (int)bw;
+ pWin->drawable.y = pParent->drawable.y + y + (int)bw;
+
+ /* set up clip list correctly for unobscured WindowPtr */
+ RegionNull(&pWin->clipList);
+ RegionNull(&pWin->borderClip);
+ RegionNull(&pWin->winSize);
+ RegionNull(&pWin->borderSize);
+
+ pHead = RealChildHead(pParent);
+ if (pHead)
+ {
+ pWin->nextSib = pHead->nextSib;
+ if (pHead->nextSib)
+ pHead->nextSib->prevSib = pWin;
+ else
+ pParent->lastChild = pWin;
+ pHead->nextSib = pWin;
+ pWin->prevSib = pHead;
+ }
+ else
+ {
+ pWin->nextSib = pParent->firstChild;
+ if (pParent->firstChild)
+ pParent->firstChild->prevSib = pWin;
+ else
+ pParent->lastChild = pWin;
+ pParent->firstChild = pWin;
+ }
+
+ SetWinSize (pWin);
+ SetBorderSize (pWin);
+
+ /* We SHOULD check for an error value here XXX */
+ if (!(*pScreen->CreateWindow)(pWin))
+ {
+ *error = BadAlloc;
+ DeleteWindow(pWin, None);
+ return NullWindow;
+ }
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->PositionWindow)(pWin, pWin->drawable.x, pWin->drawable.y);
+
+ if (!(vmask & CWEventMask))
+ RecalculateDeliverableEvents(pWin);
+
+ if (vmask)
+ *error = ChangeWindowAttributes(pWin, vmask, vlist, wClient (pWin));
+ else
+ *error = Success;
+
+ if (*error != Success)
+ {
+ DeleteWindow(pWin, None);
+ return NullWindow;
+ }
+ if (!(vmask & CWBackingStore) && (defaultBackingStore != NotUseful))
+ {
+ XID value = defaultBackingStore;
+ (void)ChangeWindowAttributes(pWin, CWBackingStore, &value, wClient (pWin));
+ pWin->forcedBS = TRUE;
+ }
+
+ if (SubSend(pParent))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = CreateNotify;
+ event.u.createNotify.window = wid;
+ event.u.createNotify.parent = pParent->drawable.id;
+ event.u.createNotify.x = x;
+ event.u.createNotify.y = y;
+ event.u.createNotify.width = w;
+ event.u.createNotify.height = h;
+ event.u.createNotify.borderWidth = bw;
+ event.u.createNotify.override = pWin->overrideRedirect;
+ DeliverEvents(pParent, &event, 1, NullWindow);
+ }
+ return pWin;
+}
+
+static void
+DisposeWindowOptional (WindowPtr pWin)
+{
+ if (!pWin->optional)
+ return;
+ /*
+ * everything is peachy. Delete the optional record
+ * and clean up
+ */
+ if (pWin->optional->cursor)
+ {
+ FreeCursor (pWin->optional->cursor, (Cursor)0);
+ pWin->cursorIsNone = FALSE;
+ }
+ else
+ pWin->cursorIsNone = TRUE;
+
+ if (pWin->optional->deviceCursors)
+ {
+ DevCursorList pList;
+ DevCursorList pPrev;
+ pList = pWin->optional->deviceCursors;
+ while(pList)
+ {
+ if (pList->cursor)
+ FreeCursor(pList->cursor, (XID)0);
+ pPrev = pList;
+ pList = pList->next;
+ free(pPrev);
+ }
+ pWin->optional->deviceCursors = NULL;
+ }
+
+ free(pWin->optional);
+ pWin->optional = NULL;
+}
+
+static void
+FreeWindowResources(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ DeleteWindowFromAnySaveSet(pWin);
+ DeleteWindowFromAnySelections(pWin);
+ DeleteWindowFromAnyEvents(pWin, TRUE);
+ RegionUninit(&pWin->clipList);
+ RegionUninit(&pWin->winSize);
+ RegionUninit(&pWin->borderClip);
+ RegionUninit(&pWin->borderSize);
+ if (wBoundingShape (pWin))
+ RegionDestroy(wBoundingShape (pWin));
+ if (wClipShape (pWin))
+ RegionDestroy(wClipShape (pWin));
+ if (wInputShape (pWin))
+ RegionDestroy(wInputShape (pWin));
+ if (pWin->borderIsPixel == FALSE)
+ (*pScreen->DestroyPixmap)(pWin->border.pixmap);
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+
+ DeleteAllWindowProperties(pWin);
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->DestroyWindow)(pWin);
+ DisposeWindowOptional (pWin);
+}
+
+static void
+CrushTree(WindowPtr pWin)
+{
+ WindowPtr pChild, pSib, pParent;
+ UnrealizeWindowProcPtr UnrealizeWindow;
+ xEvent event;
+
+ if (!(pChild = pWin->firstChild))
+ return;
+ UnrealizeWindow = pWin->drawable.pScreen->UnrealizeWindow;
+ while (1)
+ {
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ while (1)
+ {
+ pParent = pChild->parent;
+ if (SubStrSend(pChild, pParent))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = DestroyNotify;
+ event.u.destroyNotify.window = pChild->drawable.id;
+ DeliverEvents(pChild, &event, 1, NullWindow);
+ }
+ FreeResource(pChild->drawable.id, RT_WINDOW);
+ pSib = pChild->nextSib;
+ pChild->viewable = FALSE;
+ if (pChild->realized)
+ {
+ pChild->realized = FALSE;
+ (*UnrealizeWindow)(pChild);
+ }
+ FreeWindowResources(pChild);
+ dixFreeObjectWithPrivates(pChild, PRIVATE_WINDOW);
+ if ( (pChild = pSib) )
+ break;
+ pChild = pParent;
+ pChild->firstChild = NullWindow;
+ pChild->lastChild = NullWindow;
+ if (pChild == pWin)
+ return;
+ }
+ }
+}
+
+/*****
+ * DeleteWindow
+ * Deletes child of window then window itself
+ * If wid is None, don't send any events
+ *****/
+
+int
+DeleteWindow(pointer value, XID wid)
+ {
+ WindowPtr pParent;
+ WindowPtr pWin = (WindowPtr)value;
+ xEvent event;
+
+ UnmapWindow(pWin, FALSE);
+
+ CrushTree(pWin);
+
+ pParent = pWin->parent;
+ if (wid && pParent && SubStrSend(pWin, pParent))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = DestroyNotify;
+ event.u.destroyNotify.window = pWin->drawable.id;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+
+ FreeWindowResources(pWin);
+ if (pParent)
+ {
+ if (pParent->firstChild == pWin)
+ pParent->firstChild = pWin->nextSib;
+ if (pParent->lastChild == pWin)
+ pParent->lastChild = pWin->prevSib;
+ if (pWin->nextSib)
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+ }
+ else
+ pWin->drawable.pScreen->root = NULL;
+ dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW);
+ return Success;
+}
+
+int
+DestroySubwindows(WindowPtr pWin, ClientPtr client)
+{
+ /* XXX
+ * The protocol is quite clear that each window should be
+ * destroyed in turn, however, unmapping all of the first
+ * eliminates most of the calls to ValidateTree. So,
+ * this implementation is incorrect in that all of the
+ * UnmapNotifies occur before all of the DestroyNotifies.
+ * If you care, simply delete the call to UnmapSubwindows.
+ */
+ UnmapSubwindows(pWin);
+ while (pWin->lastChild) {
+ int rc = XaceHook(XACE_RESOURCE_ACCESS, client,
+ pWin->lastChild->drawable.id, RT_WINDOW,
+ pWin->lastChild, RT_NONE, NULL, DixDestroyAccess);
+ if (rc != Success)
+ return rc;
+ FreeResource(pWin->lastChild->drawable.id, RT_NONE);
+ }
+ return Success;
+}
+
+static void
+SetRootWindowBackground(WindowPtr pWin, ScreenPtr pScreen, Mask *index2)
+{
+ /* following the protocol: "Changing the background of a root window to
+ * None or ParentRelative restores the default background pixmap" */
+ if (bgNoneRoot) {
+ pWin->backgroundState = XaceBackgroundNoneState(pWin);
+ pWin->background.pixel = pScreen->whitePixel;
+ }
+ else if (party_like_its_1989)
+ MakeRootTile(pWin);
+ else {
+ if (whiteRoot)
+ pWin->background.pixel = pScreen->whitePixel;
+ else
+ pWin->background.pixel = pScreen->blackPixel;
+ *index2 = CWBackPixel;
+ }
+}
+
+/*****
+ * ChangeWindowAttributes
+ *
+ * The value-mask specifies which attributes are to be changed; the
+ * value-list contains one value for each one bit in the mask, from least
+ * to most significant bit in the mask.
+ *****/
+
+int
+ChangeWindowAttributes(WindowPtr pWin, Mask vmask, XID *vlist, ClientPtr client)
+{
+ XID *pVlist;
+ PixmapPtr pPixmap;
+ Pixmap pixID;
+ CursorPtr pCursor, pOldCursor;
+ Cursor cursorID;
+ WindowPtr pChild;
+ Colormap cmap;
+ ColormapPtr pCmap;
+ xEvent xE;
+ int error, rc;
+ ScreenPtr pScreen;
+ Mask index2, tmask, vmaskCopy = 0;
+ unsigned int val;
+ Bool checkOptional = FALSE, borderRelative = FALSE;
+
+ if ((pWin->drawable.class == InputOnly) && (vmask & (~INPUTONLY_LEGAL_MASK)))
+ return BadMatch;
+
+ error = Success;
+ pScreen = pWin->drawable.pScreen;
+ pVlist = vlist;
+ tmask = vmask;
+ while (tmask)
+ {
+ index2 = (Mask) lowbit (tmask);
+ tmask &= ~index2;
+ switch (index2)
+ {
+ case CWBackPixmap:
+ pixID = (Pixmap )*pVlist;
+ pVlist++;
+ if (pWin->backgroundState == ParentRelative)
+ borderRelative = TRUE;
+ if (pixID == None)
+ {
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+ if (!pWin->parent)
+ SetRootWindowBackground(pWin, pScreen, &index2);
+ else {
+ pWin->backgroundState = XaceBackgroundNoneState(pWin);
+ pWin->background.pixel = pScreen->whitePixel;
+ }
+ }
+ else if (pixID == ParentRelative)
+ {
+ if (pWin->parent &&
+ pWin->drawable.depth != pWin->parent->drawable.depth)
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+ if (!pWin->parent)
+ SetRootWindowBackground(pWin, pScreen, &index2);
+ else
+ pWin->backgroundState = ParentRelative;
+ borderRelative = TRUE;
+ /* Note that the parent's backgroundTile's refcnt is NOT
+ * incremented. */
+ }
+ else
+ {
+ rc = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
+ client, DixReadAccess);
+ if (rc == Success)
+ {
+ if ((pPixmap->drawable.depth != pWin->drawable.depth) ||
+ (pPixmap->drawable.pScreen != pScreen))
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+ pWin->backgroundState = BackgroundPixmap;
+ pWin->background.pixmap = pPixmap;
+ pPixmap->refcnt++;
+ }
+ else
+ {
+ error = rc;
+ client->errorValue = pixID;
+ goto PatchUp;
+ }
+ }
+ break;
+ case CWBackPixel:
+ if (pWin->backgroundState == ParentRelative)
+ borderRelative = TRUE;
+ if (pWin->backgroundState == BackgroundPixmap)
+ (*pScreen->DestroyPixmap)(pWin->background.pixmap);
+ pWin->backgroundState = BackgroundPixel;
+ pWin->background.pixel = (CARD32 ) *pVlist;
+ /* background pixel overrides background pixmap,
+ so don't let the ddx layer see both bits */
+ vmaskCopy &= ~CWBackPixmap;
+ pVlist++;
+ break;
+ case CWBorderPixmap:
+ pixID = (Pixmap ) *pVlist;
+ pVlist++;
+ if (pixID == CopyFromParent)
+ {
+ if (!pWin->parent ||
+ (pWin->drawable.depth != pWin->parent->drawable.depth))
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (pWin->parent->borderIsPixel == TRUE) {
+ if (pWin->borderIsPixel == FALSE)
+ (*pScreen->DestroyPixmap)(pWin->border.pixmap);
+ pWin->border = pWin->parent->border;
+ pWin->borderIsPixel = TRUE;
+ index2 = CWBorderPixel;
+ break;
+ }
+ else
+ {
+ pixID = pWin->parent->border.pixmap->drawable.id;
+ }
+ }
+ rc = dixLookupResourceByType((pointer *)&pPixmap, pixID, RT_PIXMAP,
+ client, DixReadAccess);
+ if (rc == Success)
+ {
+ if ((pPixmap->drawable.depth != pWin->drawable.depth) ||
+ (pPixmap->drawable.pScreen != pScreen))
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (pWin->borderIsPixel == FALSE)
+ (*pScreen->DestroyPixmap)(pWin->border.pixmap);
+ pWin->borderIsPixel = FALSE;
+ pWin->border.pixmap = pPixmap;
+ pPixmap->refcnt++;
+ }
+ else
+ {
+ error = rc;
+ client->errorValue = pixID;
+ goto PatchUp;
+ }
+ break;
+ case CWBorderPixel:
+ if (pWin->borderIsPixel == FALSE)
+ (*pScreen->DestroyPixmap)(pWin->border.pixmap);
+ pWin->borderIsPixel = TRUE;
+ pWin->border.pixel = (CARD32) *pVlist;
+ /* border pixel overrides border pixmap,
+ so don't let the ddx layer see both bits */
+ vmaskCopy &= ~CWBorderPixmap;
+ pVlist++;
+ break;
+ case CWBitGravity:
+ val = (CARD8 )*pVlist;
+ pVlist++;
+ if (val > StaticGravity)
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ pWin->bitGravity = val;
+ break;
+ case CWWinGravity:
+ val = (CARD8 )*pVlist;
+ pVlist++;
+ if (val > StaticGravity)
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ pWin->winGravity = val;
+ break;
+ case CWBackingStore:
+ val = (CARD8 )*pVlist;
+ pVlist++;
+ if ((val != NotUseful) && (val != WhenMapped) && (val != Always))
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ pWin->backingStore = val;
+ pWin->forcedBS = FALSE;
+ break;
+ case CWBackingPlanes:
+ if (pWin->optional || ((CARD32)*pVlist != (CARD32)~0L)) {
+ if (!pWin->optional && !MakeWindowOptional (pWin))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ pWin->optional->backingBitPlanes = (CARD32) *pVlist;
+ if ((CARD32)*pVlist == (CARD32)~0L)
+ checkOptional = TRUE;
+ }
+ pVlist++;
+ break;
+ case CWBackingPixel:
+ if (pWin->optional || (CARD32) *pVlist) {
+ if (!pWin->optional && !MakeWindowOptional (pWin))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ pWin->optional->backingPixel = (CARD32) *pVlist;
+ if (!*pVlist)
+ checkOptional = TRUE;
+ }
+ pVlist++;
+ break;
+ case CWSaveUnder:
+ val = (BOOL) *pVlist;
+ pVlist++;
+ if ((val != xTrue) && (val != xFalse))
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ pWin->saveUnder = val;
+ break;
+ case CWEventMask:
+ rc = EventSelectForWindow(pWin, client, (Mask )*pVlist);
+ if (rc)
+ {
+ error = rc;
+ goto PatchUp;
+ }
+ pVlist++;
+ break;
+ case CWDontPropagate:
+ rc = EventSuppressForWindow(pWin, client, (Mask )*pVlist,
+ &checkOptional);
+ if (rc)
+ {
+ error = rc;
+ goto PatchUp;
+ }
+ pVlist++;
+ break;
+ case CWOverrideRedirect:
+ val = (BOOL ) *pVlist;
+ pVlist++;
+ if ((val != xTrue) && (val != xFalse))
+ {
+ error = BadValue;
+ client->errorValue = val;
+ goto PatchUp;
+ }
+ if (val == xTrue) {
+ rc = XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id,
+ RT_WINDOW, pWin, RT_NONE, NULL, DixGrabAccess);
+ if (rc != Success) {
+ error = rc;
+ client->errorValue = pWin->drawable.id;
+ goto PatchUp;
+ }
+ }
+ pWin->overrideRedirect = val;
+ break;
+ case CWColormap:
+ cmap = (Colormap) *pVlist;
+ pVlist++;
+ if (cmap == CopyFromParent)
+ {
+ if (pWin->parent &&
+ (!pWin->optional ||
+ pWin->optional->visual == wVisual (pWin->parent)))
+ {
+ cmap = wColormap (pWin->parent);
+ }
+ else
+ cmap = None;
+ }
+ if (cmap == None)
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ rc = dixLookupResourceByType((pointer *)&pCmap, cmap, RT_COLORMAP,
+ client, DixUseAccess);
+ if (rc != Success)
+ {
+ error = rc;
+ client->errorValue = cmap;
+ goto PatchUp;
+ }
+ if (pCmap->pVisual->vid != wVisual (pWin) ||
+ pCmap->pScreen != pScreen)
+ {
+ error = BadMatch;
+ goto PatchUp;
+ }
+ if (cmap != wColormap (pWin))
+ {
+ if (!pWin->optional)
+ {
+ if (!MakeWindowOptional (pWin))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ }
+ else if (pWin->parent && cmap == wColormap (pWin->parent))
+ checkOptional = TRUE;
+
+ /*
+ * propagate the original colormap to any children
+ * inheriting it
+ */
+
+ for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib)
+ {
+ if (!pChild->optional && !MakeWindowOptional (pChild))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ }
+
+ pWin->optional->colormap = cmap;
+
+ /*
+ * check on any children now matching the new colormap
+ */
+
+ for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib)
+ {
+ if (pChild->optional->colormap == cmap)
+ CheckWindowOptionalNeed (pChild);
+ }
+
+ xE.u.u.type = ColormapNotify;
+ xE.u.colormap.window = pWin->drawable.id;
+ xE.u.colormap.colormap = cmap;
+ xE.u.colormap.new = xTrue;
+ xE.u.colormap.state = IsMapInstalled(cmap, pWin);
+ DeliverEvents(pWin, &xE, 1, NullWindow);
+ }
+ break;
+ case CWCursor:
+ cursorID = (Cursor ) *pVlist;
+ pVlist++;
+ /*
+ * install the new
+ */
+ if ( cursorID == None)
+ {
+ if (pWin == pWin->drawable.pScreen->root)
+ pCursor = rootCursor;
+ else
+ pCursor = (CursorPtr) None;
+ }
+ else
+ {
+ rc = dixLookupResourceByType((pointer *)&pCursor, cursorID,
+ RT_CURSOR, client, DixUseAccess);
+ if (rc != Success)
+ {
+ error = rc;
+ client->errorValue = cursorID;
+ goto PatchUp;
+ }
+ }
+
+ if (pCursor != wCursor (pWin))
+ {
+ /*
+ * patch up child windows so they don't lose cursors.
+ */
+
+ for (pChild = pWin->firstChild; pChild; pChild=pChild->nextSib)
+ {
+ if (!pChild->optional && !pChild->cursorIsNone &&
+ !MakeWindowOptional (pChild))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ }
+
+ pOldCursor = 0;
+ if (pCursor == (CursorPtr) None)
+ {
+ pWin->cursorIsNone = TRUE;
+ if (pWin->optional)
+ {
+ pOldCursor = pWin->optional->cursor;
+ pWin->optional->cursor = (CursorPtr) None;
+ checkOptional = TRUE;
+ }
+ } else {
+ if (!pWin->optional)
+ {
+ if (!MakeWindowOptional (pWin))
+ {
+ error = BadAlloc;
+ goto PatchUp;
+ }
+ }
+ else if (pWin->parent && pCursor == wCursor (pWin->parent))
+ checkOptional = TRUE;
+ pOldCursor = pWin->optional->cursor;
+ pWin->optional->cursor = pCursor;
+ pCursor->refcnt++;
+ pWin->cursorIsNone = FALSE;
+ /*
+ * check on any children now matching the new cursor
+ */
+
+ for (pChild=pWin->firstChild; pChild; pChild=pChild->nextSib)
+ {
+ if (pChild->optional &&
+ (pChild->optional->cursor == pCursor))
+ CheckWindowOptionalNeed (pChild);
+ }
+ }
+
+ if (pWin->realized)
+ WindowHasNewCursor( pWin);
+
+ /* Can't free cursor until here - old cursor
+ * is needed in WindowHasNewCursor
+ */
+ if (pOldCursor)
+ FreeCursor (pOldCursor, (Cursor)0);
+ }
+ break;
+ default:
+ error = BadValue;
+ client->errorValue = vmask;
+ goto PatchUp;
+ }
+ vmaskCopy |= index2;
+ }
+PatchUp:
+ if (checkOptional)
+ CheckWindowOptionalNeed (pWin);
+
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->ChangeWindowAttributes)(pWin, vmaskCopy);
+
+ /*
+ If the border contents have changed, redraw the border.
+ Note that this has to be done AFTER pScreen->ChangeWindowAttributes
+ for the tile to be rotated, and the correct function selected.
+ */
+ if (((vmaskCopy & (CWBorderPixel | CWBorderPixmap)) || borderRelative)
+ && pWin->viewable && HasBorder (pWin))
+ {
+ RegionRec exposed;
+
+ RegionNull(&exposed);
+ RegionSubtract(&exposed, &pWin->borderClip, &pWin->winSize);
+ miPaintWindow(pWin, &exposed, PW_BORDER);
+ RegionUninit(&exposed);
+ }
+ return error;
+}
+
+
+/*****
+ * GetWindowAttributes
+ * Notice that this is different than ChangeWindowAttributes
+ *****/
+
+void
+GetWindowAttributes(WindowPtr pWin, ClientPtr client, xGetWindowAttributesReply *wa)
+{
+ wa->type = X_Reply;
+ wa->bitGravity = pWin->bitGravity;
+ wa->winGravity = pWin->winGravity;
+ if (pWin->forcedBS && pWin->backingStore != Always)
+ wa->backingStore = NotUseful;
+ else
+ wa->backingStore = pWin->backingStore;
+ wa->length = bytes_to_int32(sizeof(xGetWindowAttributesReply) -
+ sizeof(xGenericReply));
+ wa->sequenceNumber = client->sequence;
+ wa->backingBitPlanes = wBackingBitPlanes (pWin);
+ wa->backingPixel = wBackingPixel (pWin);
+ wa->saveUnder = (BOOL)pWin->saveUnder;
+ wa->override = pWin->overrideRedirect;
+ if (!pWin->mapped)
+ wa->mapState = IsUnmapped;
+ else if (pWin->realized)
+ wa->mapState = IsViewable;
+ else
+ wa->mapState = IsUnviewable;
+
+ wa->colormap = wColormap (pWin);
+ wa->mapInstalled = (wa->colormap == None) ? xFalse
+ : IsMapInstalled(wa->colormap, pWin);
+
+ wa->yourEventMask = EventMaskForClient(pWin, client);
+ wa->allEventMasks = pWin->eventMask | wOtherEventMasks (pWin);
+ wa->doNotPropagateMask = wDontPropagateMask (pWin);
+ wa->class = pWin->drawable.class;
+ wa->visualID = wVisual (pWin);
+}
+
+
+WindowPtr
+MoveWindowInStack(WindowPtr pWin, WindowPtr pNextSib)
+{
+ WindowPtr pParent = pWin->parent;
+ WindowPtr pFirstChange = pWin; /* highest window where list changes */
+
+ if (pWin->nextSib != pNextSib)
+ {
+ WindowPtr pOldNextSib = pWin->nextSib;
+
+ if (!pNextSib) /* move to bottom */
+ {
+ if (pParent->firstChild == pWin)
+ pParent->firstChild = pWin->nextSib;
+ /* if (pWin->nextSib) */ /* is always True: pNextSib == NULL
+ * and pWin->nextSib != pNextSib
+ * therefore pWin->nextSib != NULL */
+ pFirstChange = pWin->nextSib;
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+ pParent->lastChild->nextSib = pWin;
+ pWin->prevSib = pParent->lastChild;
+ pWin->nextSib = NullWindow;
+ pParent->lastChild = pWin;
+ }
+ else if (pParent->firstChild == pNextSib) /* move to top */
+ {
+ pFirstChange = pWin;
+ if (pParent->lastChild == pWin)
+ pParent->lastChild = pWin->prevSib;
+ if (pWin->nextSib)
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+ pWin->nextSib = pParent->firstChild;
+ pWin->prevSib = (WindowPtr ) NULL;
+ pNextSib->prevSib = pWin;
+ pParent->firstChild = pWin;
+ }
+ else /* move in middle of list */
+ {
+ WindowPtr pOldNext = pWin->nextSib;
+
+ pFirstChange = NullWindow;
+ if (pParent->firstChild == pWin)
+ pFirstChange = pParent->firstChild = pWin->nextSib;
+ if (pParent->lastChild == pWin) {
+ pFirstChange = pWin;
+ pParent->lastChild = pWin->prevSib;
+ }
+ if (pWin->nextSib)
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+ pWin->nextSib = pNextSib;
+ pWin->prevSib = pNextSib->prevSib;
+ if (pNextSib->prevSib)
+ pNextSib->prevSib->nextSib = pWin;
+ pNextSib->prevSib = pWin;
+ if (!pFirstChange) { /* do we know it yet? */
+ pFirstChange = pParent->firstChild; /* no, search from top */
+ while ((pFirstChange != pWin) && (pFirstChange != pOldNext))
+ pFirstChange = pFirstChange->nextSib;
+ }
+ }
+ if(pWin->drawable.pScreen->RestackWindow)
+ (*pWin->drawable.pScreen->RestackWindow)(pWin, pOldNextSib);
+ }
+
+#ifdef ROOTLESS
+ /*
+ * In rootless mode we can't optimize away window restacks.
+ * There may be non-X windows around, so even if the window
+ * is in the correct position from X's point of view,
+ * the underlying window system may want to reorder it.
+ */
+ else if (pWin->drawable.pScreen->RestackWindow)
+ (*pWin->drawable.pScreen->RestackWindow)(pWin, pWin->nextSib);
+#endif
+
+ return pFirstChange;
+}
+
+void
+SetWinSize (WindowPtr pWin)
+{
+#ifdef COMPOSITE
+ if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ BoxRec box;
+
+ /*
+ * Redirected clients get clip list equal to their
+ * own geometry, not clipped to their parent
+ */
+ box.x1 = pWin->drawable.x;
+ box.y1 = pWin->drawable.y;
+ box.x2 = pWin->drawable.x + pWin->drawable.width;
+ box.y2 = pWin->drawable.y + pWin->drawable.height;
+ RegionReset(&pWin->winSize, &box);
+ }
+ else
+#endif
+ ClippedRegionFromBox(pWin->parent, &pWin->winSize,
+ pWin->drawable.x, pWin->drawable.y,
+ (int)pWin->drawable.width,
+ (int)pWin->drawable.height);
+ if (wBoundingShape (pWin) || wClipShape (pWin)) {
+ RegionTranslate(&pWin->winSize, - pWin->drawable.x,
+ - pWin->drawable.y);
+ if (wBoundingShape (pWin))
+ RegionIntersect(&pWin->winSize, &pWin->winSize,
+ wBoundingShape (pWin));
+ if (wClipShape (pWin))
+ RegionIntersect(&pWin->winSize, &pWin->winSize,
+ wClipShape (pWin));
+ RegionTranslate(&pWin->winSize, pWin->drawable.x,
+ pWin->drawable.y);
+ }
+}
+
+void
+SetBorderSize (WindowPtr pWin)
+{
+ int bw;
+
+ if (HasBorder (pWin)) {
+ bw = wBorderWidth (pWin);
+#ifdef COMPOSITE
+ if (pWin->redirectDraw != RedirectDrawNone)
+ {
+ BoxRec box;
+
+ /*
+ * Redirected clients get clip list equal to their
+ * own geometry, not clipped to their parent
+ */
+ box.x1 = pWin->drawable.x - bw;
+ box.y1 = pWin->drawable.y - bw;
+ box.x2 = pWin->drawable.x + pWin->drawable.width + bw;
+ box.y2 = pWin->drawable.y + pWin->drawable.height + bw;
+ RegionReset(&pWin->borderSize, &box);
+ }
+ else
+#endif
+ ClippedRegionFromBox(pWin->parent, &pWin->borderSize,
+ pWin->drawable.x - bw, pWin->drawable.y - bw,
+ (int)(pWin->drawable.width + (bw<<1)),
+ (int)(pWin->drawable.height + (bw<<1)));
+ if (wBoundingShape (pWin)) {
+ RegionTranslate(&pWin->borderSize, - pWin->drawable.x,
+ - pWin->drawable.y);
+ RegionIntersect(&pWin->borderSize, &pWin->borderSize,
+ wBoundingShape (pWin));
+ RegionTranslate(&pWin->borderSize, pWin->drawable.x,
+ pWin->drawable.y);
+ RegionUnion(&pWin->borderSize, &pWin->borderSize,
+ &pWin->winSize);
+ }
+ } else {
+ RegionCopy(&pWin->borderSize, &pWin->winSize);
+ }
+}
+
+/**
+ *
+ * \param x,y new window position
+ * \param oldx,oldy old window position
+ * \param destx,desty position relative to gravity
+ */
+
+void
+GravityTranslate (int x, int y, int oldx, int oldy,
+ int dw, int dh, unsigned gravity,
+ int *destx, int *desty)
+{
+ switch (gravity) {
+ case NorthGravity:
+ *destx = x + dw / 2;
+ *desty = y;
+ break;
+ case NorthEastGravity:
+ *destx = x + dw;
+ *desty = y;
+ break;
+ case WestGravity:
+ *destx = x;
+ *desty = y + dh / 2;
+ break;
+ case CenterGravity:
+ *destx = x + dw / 2;
+ *desty = y + dh / 2;
+ break;
+ case EastGravity:
+ *destx = x + dw;
+ *desty = y + dh / 2;
+ break;
+ case SouthWestGravity:
+ *destx = x;
+ *desty = y + dh;
+ break;
+ case SouthGravity:
+ *destx = x + dw / 2;
+ *desty = y + dh;
+ break;
+ case SouthEastGravity:
+ *destx = x + dw;
+ *desty = y + dh;
+ break;
+ case StaticGravity:
+ *destx = oldx;
+ *desty = oldy;
+ break;
+ default:
+ *destx = x;
+ *desty = y;
+ break;
+ }
+}
+
+/* XXX need to retile border on each window with ParentRelative origin */
+void
+ResizeChildrenWinSize(WindowPtr pWin, int dx, int dy, int dw, int dh)
+{
+ ScreenPtr pScreen;
+ WindowPtr pSib, pChild;
+ Bool resized = (dw || dh);
+
+ pScreen = pWin->drawable.pScreen;
+
+ for (pSib = pWin->firstChild; pSib; pSib = pSib->nextSib)
+ {
+ if (resized && (pSib->winGravity > NorthWestGravity))
+ {
+ int cwsx, cwsy;
+
+ cwsx = pSib->origin.x;
+ cwsy = pSib->origin.y;
+ GravityTranslate (cwsx, cwsy, cwsx - dx, cwsy - dy, dw, dh,
+ pSib->winGravity, &cwsx, &cwsy);
+ if (cwsx != pSib->origin.x || cwsy != pSib->origin.y)
+ {
+ xEvent event;
+
+ event.u.u.type = GravityNotify;
+ event.u.gravity.window = pSib->drawable.id;
+ event.u.gravity.x = cwsx - wBorderWidth (pSib);
+ event.u.gravity.y = cwsy - wBorderWidth (pSib);
+ DeliverEvents (pSib, &event, 1, NullWindow);
+ pSib->origin.x = cwsx;
+ pSib->origin.y = cwsy;
+ }
+ }
+ pSib->drawable.x = pWin->drawable.x + pSib->origin.x;
+ pSib->drawable.y = pWin->drawable.y + pSib->origin.y;
+ SetWinSize (pSib);
+ SetBorderSize (pSib);
+ (*pScreen->PositionWindow)(pSib, pSib->drawable.x, pSib->drawable.y);
+
+ if ( (pChild = pSib->firstChild) )
+ {
+ while (1)
+ {
+ pChild->drawable.x = pChild->parent->drawable.x +
+ pChild->origin.x;
+ pChild->drawable.y = pChild->parent->drawable.y +
+ pChild->origin.y;
+ SetWinSize (pChild);
+ SetBorderSize (pChild);
+ (*pScreen->PositionWindow)(pChild,
+ pChild->drawable.x, pChild->drawable.y);
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ while (!pChild->nextSib && (pChild != pSib))
+ pChild = pChild->parent;
+ if (pChild == pSib)
+ break;
+ pChild = pChild->nextSib;
+ }
+ }
+ }
+}
+
+#define GET_INT16(m, f) \
+ if (m & mask) \
+ { \
+ f = (INT16) *pVlist;\
+ pVlist++; \
+ }
+#define GET_CARD16(m, f) \
+ if (m & mask) \
+ { \
+ f = (CARD16) *pVlist;\
+ pVlist++;\
+ }
+
+#define GET_CARD8(m, f) \
+ if (m & mask) \
+ { \
+ f = (CARD8) *pVlist;\
+ pVlist++;\
+ }
+
+#define ChangeMask ((Mask)(CWX | CWY | CWWidth | CWHeight))
+
+#define IllegalInputOnlyConfigureMask (CWBorderWidth)
+
+/*
+ * IsSiblingAboveMe
+ * returns Above if pSib above pMe in stack or Below otherwise
+ */
+
+static int
+IsSiblingAboveMe(
+ WindowPtr pMe,
+ WindowPtr pSib)
+{
+ WindowPtr pWin;
+
+ pWin = pMe->parent->firstChild;
+ while (pWin)
+ {
+ if (pWin == pSib)
+ return Above;
+ else if (pWin == pMe)
+ return Below;
+ pWin = pWin->nextSib;
+ }
+ return Below;
+}
+
+static BoxPtr
+WindowExtents(
+ WindowPtr pWin,
+ BoxPtr pBox)
+{
+ pBox->x1 = pWin->drawable.x - wBorderWidth (pWin);
+ pBox->y1 = pWin->drawable.y - wBorderWidth (pWin);
+ pBox->x2 = pWin->drawable.x + (int)pWin->drawable.width
+ + wBorderWidth (pWin);
+ pBox->y2 = pWin->drawable.y + (int)pWin->drawable.height
+ + wBorderWidth (pWin);
+ return pBox;
+}
+
+#define IS_SHAPED(pWin) (wBoundingShape (pWin) != (RegionPtr) NULL)
+
+static RegionPtr
+MakeBoundingRegion (
+ WindowPtr pWin,
+ BoxPtr pBox)
+{
+ RegionPtr pRgn = RegionCreate(pBox, 1);
+ if (wBoundingShape (pWin)) {
+ RegionTranslate(pRgn, -pWin->origin.x, -pWin->origin.y);
+ RegionIntersect(pRgn, pRgn, wBoundingShape (pWin));
+ RegionTranslate(pRgn, pWin->origin.x, pWin->origin.y);
+ }
+ return pRgn;
+}
+
+static Bool
+ShapeOverlap (
+ WindowPtr pWin,
+ BoxPtr pWinBox,
+ WindowPtr pSib,
+ BoxPtr pSibBox)
+{
+ RegionPtr pWinRgn, pSibRgn;
+ Bool ret;
+
+ if (!IS_SHAPED(pWin) && !IS_SHAPED(pSib))
+ return TRUE;
+ pWinRgn = MakeBoundingRegion (pWin, pWinBox);
+ pSibRgn = MakeBoundingRegion (pSib, pSibBox);
+ RegionIntersect(pWinRgn, pWinRgn, pSibRgn);
+ ret = RegionNotEmpty(pWinRgn);
+ RegionDestroy(pWinRgn);
+ RegionDestroy(pSibRgn);
+ return ret;
+}
+
+static Bool
+AnyWindowOverlapsMe(
+ WindowPtr pWin,
+ WindowPtr pHead,
+ BoxPtr box)
+{
+ WindowPtr pSib;
+ BoxRec sboxrec;
+ BoxPtr sbox;
+
+ for (pSib = pWin->prevSib; pSib != pHead; pSib = pSib->prevSib)
+ {
+ if (pSib->mapped)
+ {
+ sbox = WindowExtents(pSib, &sboxrec);
+ if (BOXES_OVERLAP(sbox, box)
+ && ShapeOverlap (pWin, box, pSib, sbox)
+ )
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+static Bool
+IOverlapAnyWindow(
+ WindowPtr pWin,
+ BoxPtr box)
+{
+ WindowPtr pSib;
+ BoxRec sboxrec;
+ BoxPtr sbox;
+
+ for (pSib = pWin->nextSib; pSib; pSib = pSib->nextSib)
+ {
+ if (pSib->mapped)
+ {
+ sbox = WindowExtents(pSib, &sboxrec);
+ if (BOXES_OVERLAP(sbox, box)
+ && ShapeOverlap (pWin, box, pSib, sbox)
+ )
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+/*
+ * WhereDoIGoInTheStack()
+ * Given pWin and pSib and the relationshipe smode, return
+ * the window that pWin should go ABOVE.
+ * If a pSib is specified:
+ * Above: pWin is placed just above pSib
+ * Below: pWin is placed just below pSib
+ * TopIf: if pSib occludes pWin, then pWin is placed
+ * at the top of the stack
+ * BottomIf: if pWin occludes pSib, then pWin is
+ * placed at the bottom of the stack
+ * Opposite: if pSib occludes pWin, then pWin is placed at the
+ * top of the stack, else if pWin occludes pSib, then
+ * pWin is placed at the bottom of the stack
+ *
+ * If pSib is NULL:
+ * Above: pWin is placed at the top of the stack
+ * Below: pWin is placed at the bottom of the stack
+ * TopIf: if any sibling occludes pWin, then pWin is placed at
+ * the top of the stack
+ * BottomIf: if pWin occludes any sibline, then pWin is placed at
+ * the bottom of the stack
+ * Opposite: if any sibling occludes pWin, then pWin is placed at
+ * the top of the stack, else if pWin occludes any
+ * sibling, then pWin is placed at the bottom of the stack
+ *
+ */
+
+static WindowPtr
+WhereDoIGoInTheStack(
+ WindowPtr pWin,
+ WindowPtr pSib,
+ short x,
+ short y,
+ unsigned short w,
+ unsigned short h,
+ int smode)
+{
+ BoxRec box;
+ WindowPtr pHead, pFirst;
+
+ if ((pWin == pWin->parent->firstChild) &&
+ (pWin == pWin->parent->lastChild))
+ return((WindowPtr ) NULL);
+ pHead = RealChildHead(pWin->parent);
+ pFirst = pHead ? pHead->nextSib : pWin->parent->firstChild;
+ box.x1 = x;
+ box.y1 = y;
+ box.x2 = x + (int)w;
+ box.y2 = y + (int)h;
+ switch (smode)
+ {
+ case Above:
+ if (pSib)
+ return pSib;
+ else if (pWin == pFirst)
+ return pWin->nextSib;
+ else
+ return pFirst;
+ case Below:
+ if (pSib)
+ if (pSib->nextSib != pWin)
+ return pSib->nextSib;
+ else
+ return pWin->nextSib;
+ else
+ return NullWindow;
+ case TopIf:
+ if ((!pWin->mapped || (pSib && !pSib->mapped)))
+ return pWin->nextSib;
+ else if (pSib)
+ {
+ if ((IsSiblingAboveMe(pWin, pSib) == Above) &&
+ (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT))
+ return pFirst;
+ else
+ return pWin->nextSib;
+ }
+ else if (AnyWindowOverlapsMe(pWin, pHead, &box))
+ return pFirst;
+ else
+ return pWin->nextSib;
+ case BottomIf:
+ if ((!pWin->mapped || (pSib && !pSib->mapped)))
+ return pWin->nextSib;
+ else if (pSib)
+ {
+ if ((IsSiblingAboveMe(pWin, pSib) == Below) &&
+ (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT))
+ return NullWindow;
+ else
+ return pWin->nextSib;
+ }
+ else if (IOverlapAnyWindow(pWin, &box))
+ return NullWindow;
+ else
+ return pWin->nextSib;
+ case Opposite:
+ if ((!pWin->mapped || (pSib && !pSib->mapped)))
+ return pWin->nextSib;
+ else if (pSib)
+ {
+ if (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT)
+ {
+ if (IsSiblingAboveMe(pWin, pSib) == Above)
+ return pFirst;
+ else
+ return NullWindow;
+ }
+ else
+ return pWin->nextSib;
+ }
+ else if (AnyWindowOverlapsMe(pWin, pHead, &box))
+ {
+ /* If I'm occluded, I can't possibly be the first child
+ * if (pWin == pWin->parent->firstChild)
+ * return pWin->nextSib;
+ */
+ return pFirst;
+ }
+ else if (IOverlapAnyWindow(pWin, &box))
+ return NullWindow;
+ else
+ return pWin->nextSib;
+ default:
+ {
+ /* should never happen; make something up. */
+ return pWin->nextSib;
+ }
+ }
+}
+
+static void
+ReflectStackChange(
+ WindowPtr pWin,
+ WindowPtr pSib,
+ VTKind kind)
+{
+/* Note that pSib might be NULL */
+
+ Bool WasViewable = (Bool)pWin->viewable;
+ Bool anyMarked;
+ WindowPtr pFirstChange;
+ WindowPtr pLayerWin;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ /* if this is a root window, can't be restacked */
+ if (!pWin->parent)
+ return;
+
+ pFirstChange = MoveWindowInStack(pWin, pSib);
+
+ if (WasViewable)
+ {
+ anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pFirstChange,
+ &pLayerWin);
+ if (pLayerWin != pWin) pFirstChange = pLayerWin;
+ if (anyMarked)
+ {
+ (*pScreen->ValidateTree)(pLayerWin->parent, pFirstChange, kind);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (anyMarked && pWin->drawable.pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange, kind);
+ }
+ if (pWin->realized)
+ WindowsRestructured ();
+}
+
+/*****
+ * ConfigureWindow
+ *****/
+
+int
+ConfigureWindow(WindowPtr pWin, Mask mask, XID *vlist, ClientPtr client)
+{
+#define RESTACK_WIN 0
+#define MOVE_WIN 1
+#define RESIZE_WIN 2
+#define REBORDER_WIN 3
+ WindowPtr pSib = NullWindow;
+ WindowPtr pParent = pWin->parent;
+ Window sibwid = 0;
+ Mask index2, tmask;
+ XID *pVlist;
+ short x, y, beforeX, beforeY;
+ unsigned short w = pWin->drawable.width,
+ h = pWin->drawable.height,
+ bw = pWin->borderWidth;
+ int rc, action, smode = Above;
+ xEvent event;
+
+ if ((pWin->drawable.class == InputOnly) && (mask & IllegalInputOnlyConfigureMask))
+ return BadMatch;
+
+ if ((mask & CWSibling) && !(mask & CWStackMode))
+ return BadMatch;
+
+ pVlist = vlist;
+
+ if (pParent)
+ {
+ x = pWin->drawable.x - pParent->drawable.x - (int)bw;
+ y = pWin->drawable.y - pParent->drawable.y - (int)bw;
+ }
+ else
+ {
+ x = pWin->drawable.x;
+ y = pWin->drawable.y;
+ }
+ beforeX = x;
+ beforeY = y;
+ action = RESTACK_WIN;
+ if ((mask & (CWX | CWY)) && (!(mask & (CWHeight | CWWidth))))
+ {
+ GET_INT16(CWX, x);
+ GET_INT16(CWY, y);
+ action = MOVE_WIN;
+ }
+ /* or should be resized */
+ else if (mask & (CWX | CWY | CWWidth | CWHeight))
+ {
+ GET_INT16(CWX, x);
+ GET_INT16(CWY, y);
+ GET_CARD16(CWWidth, w);
+ GET_CARD16 (CWHeight, h);
+ if (!w || !h)
+ {
+ client->errorValue = 0;
+ return BadValue;
+ }
+ action = RESIZE_WIN;
+ }
+ tmask = mask & ~ChangeMask;
+ while (tmask)
+ {
+ index2 = (Mask)lowbit (tmask);
+ tmask &= ~index2;
+ switch (index2)
+ {
+ case CWBorderWidth:
+ GET_CARD16(CWBorderWidth, bw);
+ break;
+ case CWSibling:
+ sibwid = (Window ) *pVlist;
+ pVlist++;
+ rc = dixLookupWindow(&pSib, sibwid, client, DixGetAttrAccess);
+ if (rc != Success)
+ {
+ client->errorValue = sibwid;
+ return rc;
+ }
+ if (pSib->parent != pParent)
+ return BadMatch;
+ if (pSib == pWin)
+ return BadMatch;
+ break;
+ case CWStackMode:
+ GET_CARD8(CWStackMode, smode);
+ if ((smode != TopIf) && (smode != BottomIf) &&
+ (smode != Opposite) && (smode != Above) && (smode != Below))
+ {
+ client->errorValue = smode;
+ return BadValue;
+ }
+ break;
+ default:
+ client->errorValue = mask;
+ return BadValue;
+ }
+ }
+ /* root really can't be reconfigured, so just return */
+ if (!pParent)
+ return Success;
+
+ /* Figure out if the window should be moved. Doesnt
+ make the changes to the window if event sent */
+
+ if (mask & CWStackMode)
+ pSib = WhereDoIGoInTheStack(pWin, pSib, pParent->drawable.x + x,
+ pParent->drawable.y + y,
+ w + (bw << 1), h + (bw << 1), smode);
+ else
+ pSib = pWin->nextSib;
+
+
+ if ((!pWin->overrideRedirect) &&
+ (RedirectSend(pParent)
+ ))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = ConfigureRequest;
+ event.u.configureRequest.window = pWin->drawable.id;
+ if (mask & CWSibling)
+ event.u.configureRequest.sibling = sibwid;
+ else
+ event.u.configureRequest.sibling = None;
+ if (mask & CWStackMode)
+ event.u.u.detail = smode;
+ else
+ event.u.u.detail = Above;
+ event.u.configureRequest.x = x;
+ event.u.configureRequest.y = y;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && (!pParent || !pParent->parent)) {
+ event.u.configureRequest.x += screenInfo.screens[0]->x;
+ event.u.configureRequest.y += screenInfo.screens[0]->y;
+ }
+#endif
+ event.u.configureRequest.width = w;
+ event.u.configureRequest.height = h;
+ event.u.configureRequest.borderWidth = bw;
+ event.u.configureRequest.valueMask = mask;
+ event.u.configureRequest.parent = pParent->drawable.id;
+ if (MaybeDeliverEventsToClient(pParent, &event, 1,
+ SubstructureRedirectMask, client) == 1)
+ return Success;
+ }
+ if (action == RESIZE_WIN)
+ {
+ Bool size_change = (w != pWin->drawable.width)
+ || (h != pWin->drawable.height);
+ if (size_change && ((pWin->eventMask|wOtherEventMasks(pWin)) & ResizeRedirectMask))
+ {
+ xEvent eventT;
+ memset(&eventT, 0, sizeof(xEvent));
+ eventT.u.u.type = ResizeRequest;
+ eventT.u.resizeRequest.window = pWin->drawable.id;
+ eventT.u.resizeRequest.width = w;
+ eventT.u.resizeRequest.height = h;
+ if (MaybeDeliverEventsToClient(pWin, &eventT, 1,
+ ResizeRedirectMask, client) == 1)
+ {
+ /* if event is delivered, leave the actual size alone. */
+ w = pWin->drawable.width;
+ h = pWin->drawable.height;
+ size_change = FALSE;
+ }
+ }
+ if (!size_change)
+ {
+ if (mask & (CWX | CWY))
+ action = MOVE_WIN;
+ else if (mask & (CWStackMode | CWBorderWidth))
+ action = RESTACK_WIN;
+ else /* really nothing to do */
+ return(Success) ;
+ }
+ }
+
+ if (action == RESIZE_WIN)
+ /* we've already checked whether there's really a size change */
+ goto ActuallyDoSomething;
+ if ((mask & CWX) && (x != beforeX))
+ goto ActuallyDoSomething;
+ if ((mask & CWY) && (y != beforeY))
+ goto ActuallyDoSomething;
+ if ((mask & CWBorderWidth) && (bw != wBorderWidth (pWin)))
+ goto ActuallyDoSomething;
+ if (mask & CWStackMode)
+ {
+#ifndef ROOTLESS
+ /* See above for why we always reorder in rootless mode. */
+ if (pWin->nextSib != pSib)
+#endif
+ goto ActuallyDoSomething;
+ }
+ return Success;
+
+ActuallyDoSomething:
+ if (pWin->drawable.pScreen->ConfigNotify)
+ {
+ int ret;
+ ret = (*pWin->drawable.pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib);
+ if (ret) {
+ client->errorValue = 0;
+ return ret;
+ }
+ }
+
+ if (SubStrSend(pWin, pParent))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = ConfigureNotify;
+ event.u.configureNotify.window = pWin->drawable.id;
+ if (pSib)
+ event.u.configureNotify.aboveSibling = pSib->drawable.id;
+ else
+ event.u.configureNotify.aboveSibling = None;
+ event.u.configureNotify.x = x;
+ event.u.configureNotify.y = y;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && (!pParent || !pParent->parent)) {
+ event.u.configureNotify.x += screenInfo.screens[0]->x;
+ event.u.configureNotify.y += screenInfo.screens[0]->y;
+ }
+#endif
+ event.u.configureNotify.width = w;
+ event.u.configureNotify.height = h;
+ event.u.configureNotify.borderWidth = bw;
+ event.u.configureNotify.override = pWin->overrideRedirect;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+ if (mask & CWBorderWidth)
+ {
+ if (action == RESTACK_WIN)
+ {
+ action = MOVE_WIN;
+ pWin->borderWidth = bw;
+ }
+ else if ((action == MOVE_WIN) &&
+ (beforeX + wBorderWidth (pWin) == x + (int)bw) &&
+ (beforeY + wBorderWidth (pWin) == y + (int)bw))
+ {
+ action = REBORDER_WIN;
+ (*pWin->drawable.pScreen->ChangeBorderWidth)(pWin, bw);
+ }
+ else
+ pWin->borderWidth = bw;
+ }
+ if (action == MOVE_WIN)
+ (*pWin->drawable.pScreen->MoveWindow)(pWin, x, y, pSib,
+ (mask & CWBorderWidth) ? VTOther : VTMove);
+ else if (action == RESIZE_WIN)
+ (*pWin->drawable.pScreen->ResizeWindow)(pWin, x, y, w, h, pSib);
+ else if (mask & CWStackMode)
+ ReflectStackChange(pWin, pSib, VTOther);
+
+ if (action != RESTACK_WIN)
+ CheckCursorConfinement(pWin);
+ return Success;
+#undef RESTACK_WIN
+#undef MOVE_WIN
+#undef RESIZE_WIN
+#undef REBORDER_WIN
+}
+
+
+/******
+ *
+ * CirculateWindow
+ * For RaiseLowest, raises the lowest mapped child (if any) that is
+ * obscured by another child to the top of the stack. For LowerHighest,
+ * lowers the highest mapped child (if any) that is obscuring another
+ * child to the bottom of the stack. Exposure processing is performed
+ *
+ ******/
+
+int
+CirculateWindow(WindowPtr pParent, int direction, ClientPtr client)
+{
+ WindowPtr pWin, pHead, pFirst;
+ xEvent event;
+ BoxRec box;
+
+ pHead = RealChildHead(pParent);
+ pFirst = pHead ? pHead->nextSib : pParent->firstChild;
+ if (direction == RaiseLowest)
+ {
+ for (pWin = pParent->lastChild;
+ (pWin != pHead) &&
+ !(pWin->mapped &&
+ AnyWindowOverlapsMe(pWin, pHead, WindowExtents(pWin, &box)));
+ pWin = pWin->prevSib) ;
+ if (pWin == pHead)
+ return Success;
+ }
+ else
+ {
+ for (pWin = pFirst;
+ pWin &&
+ !(pWin->mapped &&
+ IOverlapAnyWindow(pWin, WindowExtents(pWin, &box)));
+ pWin = pWin->nextSib) ;
+ if (!pWin)
+ return Success;
+ }
+
+ event.u.circulate.window = pWin->drawable.id;
+ event.u.circulate.parent = pParent->drawable.id;
+ event.u.circulate.event = pParent->drawable.id;
+ if (direction == RaiseLowest)
+ event.u.circulate.place = PlaceOnTop;
+ else
+ event.u.circulate.place = PlaceOnBottom;
+
+ if (RedirectSend(pParent))
+ {
+ event.u.u.type = CirculateRequest;
+ if (MaybeDeliverEventsToClient(pParent, &event, 1,
+ SubstructureRedirectMask, client) == 1)
+ return Success;
+ }
+
+ event.u.u.type = CirculateNotify;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ ReflectStackChange(pWin,
+ (direction == RaiseLowest) ? pFirst : NullWindow,
+ VTStack);
+
+ return Success;
+}
+
+static int
+CompareWIDs(
+ WindowPtr pWin,
+ pointer value) /* must conform to VisitWindowProcPtr */
+{
+ Window *wid = (Window *)value;
+
+ if (pWin->drawable.id == *wid)
+ return WT_STOPWALKING;
+ else
+ return WT_WALKCHILDREN;
+}
+
+/*****
+ * ReparentWindow
+ *****/
+
+int
+ReparentWindow(WindowPtr pWin, WindowPtr pParent,
+ int x, int y, ClientPtr client)
+{
+ WindowPtr pPrev, pPriorParent;
+ Bool WasMapped = (Bool)(pWin->mapped);
+ xEvent event;
+ int bw = wBorderWidth (pWin);
+ ScreenPtr pScreen;
+
+ pScreen = pWin->drawable.pScreen;
+ if (TraverseTree(pWin, CompareWIDs, (pointer)&pParent->drawable.id) == WT_STOPWALKING)
+ return BadMatch;
+ if (!MakeWindowOptional(pWin))
+ return BadAlloc;
+
+ if (WasMapped)
+ UnmapWindow(pWin, FALSE);
+
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = ReparentNotify;
+ event.u.reparent.window = pWin->drawable.id;
+ event.u.reparent.parent = pParent->drawable.id;
+ event.u.reparent.x = x;
+ event.u.reparent.y = y;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && !pParent->parent) {
+ event.u.reparent.x += screenInfo.screens[0]->x;
+ event.u.reparent.y += screenInfo.screens[0]->y;
+ }
+#endif
+ event.u.reparent.override = pWin->overrideRedirect;
+ DeliverEvents(pWin, &event, 1, pParent);
+
+ /* take out of sibling chain */
+
+ pPriorParent = pPrev = pWin->parent;
+ if (pPrev->firstChild == pWin)
+ pPrev->firstChild = pWin->nextSib;
+ if (pPrev->lastChild == pWin)
+ pPrev->lastChild = pWin->prevSib;
+
+ if (pWin->nextSib)
+ pWin->nextSib->prevSib = pWin->prevSib;
+ if (pWin->prevSib)
+ pWin->prevSib->nextSib = pWin->nextSib;
+
+ /* insert at begining of pParent */
+ pWin->parent = pParent;
+ pPrev = RealChildHead(pParent);
+ if (pPrev)
+ {
+ pWin->nextSib = pPrev->nextSib;
+ if (pPrev->nextSib)
+ pPrev->nextSib->prevSib = pWin;
+ else
+ pParent->lastChild = pWin;
+ pPrev->nextSib = pWin;
+ pWin->prevSib = pPrev;
+ }
+ else
+ {
+ pWin->nextSib = pParent->firstChild;
+ pWin->prevSib = NullWindow;
+ if (pParent->firstChild)
+ pParent->firstChild->prevSib = pWin;
+ else
+ pParent->lastChild = pWin;
+ pParent->firstChild = pWin;
+ }
+
+ pWin->origin.x = x + bw;
+ pWin->origin.y = y + bw;
+ pWin->drawable.x = x + bw + pParent->drawable.x;
+ pWin->drawable.y = y + bw + pParent->drawable.y;
+
+ /* clip to parent */
+ SetWinSize (pWin);
+ SetBorderSize (pWin);
+
+ if (pScreen->ReparentWindow)
+ (*pScreen->ReparentWindow)(pWin, pPriorParent);
+ (*pScreen->PositionWindow)(pWin, pWin->drawable.x, pWin->drawable.y);
+ ResizeChildrenWinSize(pWin, 0, 0, 0, 0);
+
+ CheckWindowOptionalNeed(pWin);
+
+ if (WasMapped)
+ MapWindow(pWin, client);
+ RecalculateDeliverableEvents(pWin);
+ return Success;
+}
+
+static void
+RealizeTree(WindowPtr pWin)
+{
+ WindowPtr pChild;
+ RealizeWindowProcPtr Realize;
+
+ Realize = pWin->drawable.pScreen->RealizeWindow;
+ pChild = pWin;
+ while (1)
+ {
+ if (pChild->mapped)
+ {
+ pChild->realized = TRUE;
+ pChild->viewable = (pChild->drawable.class == InputOutput);
+ (* Realize)(pChild);
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ return;
+ pChild = pChild->nextSib;
+ }
+}
+
+static WindowPtr windowDisableMapUnmapEvents;
+
+void
+DisableMapUnmapEvents(WindowPtr pWin)
+{
+ assert (windowDisableMapUnmapEvents == NULL);
+
+ windowDisableMapUnmapEvents = pWin;
+}
+
+void
+EnableMapUnmapEvents(WindowPtr pWin)
+{
+ assert (windowDisableMapUnmapEvents != NULL);
+
+ windowDisableMapUnmapEvents = NULL;
+}
+
+static Bool
+MapUnmapEventsEnabled(WindowPtr pWin)
+{
+ return pWin != windowDisableMapUnmapEvents;
+}
+
+/*****
+ * MapWindow
+ * If some other client has selected SubStructureReDirect on the parent
+ * and override-redirect is xFalse, then a MapRequest event is generated,
+ * but the window remains unmapped. Otherwise, the window is mapped and a
+ * MapNotify event is generated.
+ *****/
+
+int
+MapWindow(WindowPtr pWin, ClientPtr client)
+{
+ ScreenPtr pScreen;
+
+ WindowPtr pParent;
+ WindowPtr pLayerWin;
+
+ if (pWin->mapped)
+ return Success;
+
+ /* general check for permission to map window */
+ if (XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id, RT_WINDOW,
+ pWin, RT_NONE, NULL, DixShowAccess) != Success)
+ return Success;
+
+ pScreen = pWin->drawable.pScreen;
+ if ( (pParent = pWin->parent) )
+ {
+ xEvent event;
+ Bool anyMarked;
+
+ if ((!pWin->overrideRedirect) &&
+ (RedirectSend(pParent)
+ ))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = MapRequest;
+ event.u.mapRequest.window = pWin->drawable.id;
+ event.u.mapRequest.parent = pParent->drawable.id;
+
+ if (MaybeDeliverEventsToClient(pParent, &event, 1,
+ SubstructureRedirectMask, client) == 1)
+ return Success;
+ }
+
+ pWin->mapped = TRUE;
+ if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = MapNotify;
+ event.u.mapNotify.window = pWin->drawable.id;
+ event.u.mapNotify.override = pWin->overrideRedirect;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+
+ if (!pParent->realized)
+ return Success;
+ RealizeTree(pWin);
+ if (pWin->viewable)
+ {
+ anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin,
+ &pLayerWin);
+ if (anyMarked)
+ {
+ (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTMap);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin, VTMap);
+ }
+ WindowsRestructured ();
+ }
+ else
+ {
+ RegionRec temp;
+
+ pWin->mapped = TRUE;
+ pWin->realized = TRUE; /* for roots */
+ pWin->viewable = pWin->drawable.class == InputOutput;
+ /* We SHOULD check for an error value here XXX */
+ (*pScreen->RealizeWindow)(pWin);
+ if (pScreen->ClipNotify)
+ (*pScreen->ClipNotify) (pWin, 0, 0);
+ if (pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(NullWindow, pWin, VTMap);
+ RegionNull(&temp);
+ RegionCopy(&temp, &pWin->clipList);
+ (*pScreen->WindowExposures) (pWin, &temp, NullRegion);
+ RegionUninit(&temp);
+ }
+
+ return Success;
+}
+
+
+/*****
+ * MapSubwindows
+ * Performs a MapWindow all unmapped children of the window, in top
+ * to bottom stacking order.
+ *****/
+
+void
+MapSubwindows(WindowPtr pParent, ClientPtr client)
+{
+ WindowPtr pWin;
+ WindowPtr pFirstMapped = NullWindow;
+ ScreenPtr pScreen;
+ Mask parentRedirect;
+ Mask parentNotify;
+ xEvent event;
+ Bool anyMarked;
+ WindowPtr pLayerWin;
+
+ pScreen = pParent->drawable.pScreen;
+ parentRedirect = RedirectSend(pParent);
+ parentNotify = SubSend(pParent);
+ anyMarked = FALSE;
+ for (pWin = pParent->firstChild; pWin; pWin = pWin->nextSib)
+ {
+ if (!pWin->mapped)
+ {
+ if (parentRedirect && !pWin->overrideRedirect)
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = MapRequest;
+ event.u.mapRequest.window = pWin->drawable.id;
+ event.u.mapRequest.parent = pParent->drawable.id;
+
+ if (MaybeDeliverEventsToClient(pParent, &event, 1,
+ SubstructureRedirectMask, client) == 1)
+ continue;
+ }
+
+ pWin->mapped = TRUE;
+ if (parentNotify || StrSend(pWin))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = MapNotify;
+ event.u.mapNotify.window = pWin->drawable.id;
+ event.u.mapNotify.override = pWin->overrideRedirect;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+
+ if (!pFirstMapped)
+ pFirstMapped = pWin;
+ if (pParent->realized)
+ {
+ RealizeTree(pWin);
+ if (pWin->viewable)
+ {
+ anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin,
+ (WindowPtr *)NULL);
+ }
+ }
+ }
+ }
+
+ if (pFirstMapped)
+ {
+ pLayerWin = (*pScreen->GetLayerWindow)(pParent);
+ if (pLayerWin->parent != pParent) {
+ anyMarked |= (*pScreen->MarkOverlappedWindows)(pLayerWin,
+ pLayerWin,
+ (WindowPtr *)NULL);
+ pFirstMapped = pLayerWin;
+ }
+ if (anyMarked)
+ {
+ (*pScreen->ValidateTree)(pLayerWin->parent, pFirstMapped, VTMap);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstMapped,
+ VTMap);
+ WindowsRestructured ();
+ }
+}
+
+static void
+UnrealizeTree(
+ WindowPtr pWin,
+ Bool fromConfigure)
+{
+ WindowPtr pChild;
+ UnrealizeWindowProcPtr Unrealize;
+ MarkUnrealizedWindowProcPtr MarkUnrealizedWindow;
+
+ Unrealize = pWin->drawable.pScreen->UnrealizeWindow;
+ MarkUnrealizedWindow = pWin->drawable.pScreen->MarkUnrealizedWindow;
+ pChild = pWin;
+ while (1)
+ {
+ if (pChild->realized)
+ {
+ pChild->realized = FALSE;
+ pChild->visibility = VisibilityNotViewable;
+#ifdef PANORAMIX
+ if(!noPanoramiXExtension && !pChild->drawable.pScreen->myNum) {
+ PanoramiXRes *win;
+ int rc = dixLookupResourceByType((pointer *)&win,
+ pChild->drawable.id, XRT_WINDOW,
+ serverClient, DixWriteAccess);
+ if (rc == Success)
+ win->u.win.visibility = VisibilityNotViewable;
+ }
+#endif
+ (* Unrealize)(pChild);
+ if (MapUnmapEventsEnabled(pWin))
+ DeleteWindowFromAnyEvents(pChild, FALSE);
+ if (pChild->viewable)
+ {
+ pChild->viewable = FALSE;
+ (* MarkUnrealizedWindow)(pChild, pWin, fromConfigure);
+ pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+ }
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ return;
+ pChild = pChild->nextSib;
+ }
+}
+
+/*****
+ * UnmapWindow
+ * If the window is already unmapped, this request has no effect.
+ * Otherwise, the window is unmapped and an UnMapNotify event is
+ * generated. Cannot unmap a root window.
+ *****/
+
+int
+UnmapWindow(WindowPtr pWin, Bool fromConfigure)
+{
+ WindowPtr pParent;
+ xEvent event;
+ Bool wasRealized = (Bool)pWin->realized;
+ Bool wasViewable = (Bool)pWin->viewable;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ WindowPtr pLayerWin = pWin;
+
+ if ((!pWin->mapped) || (!(pParent = pWin->parent)))
+ return Success;
+ if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin))
+ {
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = UnmapNotify;
+ event.u.unmapNotify.window = pWin->drawable.id;
+ event.u.unmapNotify.fromConfigure = fromConfigure;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+ }
+ if (wasViewable && !fromConfigure)
+ {
+ pWin->valdata = UnmapValData;
+ (*pScreen->MarkOverlappedWindows)(pWin, pWin->nextSib, &pLayerWin);
+ (*pScreen->MarkWindow)(pLayerWin->parent);
+ }
+ pWin->mapped = FALSE;
+ if (wasRealized)
+ UnrealizeTree(pWin, fromConfigure);
+ if (wasViewable)
+ {
+ if (!fromConfigure)
+ {
+ (*pScreen->ValidateTree)(pLayerWin->parent, pWin, VTUnmap);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (!fromConfigure && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pWin, VTUnmap);
+ }
+ if (wasRealized && !fromConfigure)
+ WindowsRestructured ();
+ return Success;
+}
+
+/*****
+ * UnmapSubwindows
+ * Performs an UnmapWindow request with the specified mode on all mapped
+ * children of the window, in bottom to top stacking order.
+ *****/
+
+void
+UnmapSubwindows(WindowPtr pWin)
+{
+ WindowPtr pChild, pHead;
+ xEvent event;
+ Bool wasRealized = (Bool)pWin->realized;
+ Bool wasViewable = (Bool)pWin->viewable;
+ Bool anyMarked = FALSE;
+ Mask parentNotify;
+ WindowPtr pLayerWin = NULL;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ if (!pWin->firstChild)
+ return;
+ parentNotify = SubSend(pWin);
+ pHead = RealChildHead(pWin);
+
+ if (wasViewable)
+ pLayerWin = (*pScreen->GetLayerWindow)(pWin);
+
+ for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib)
+ {
+ if (pChild->mapped)
+ {
+ if (parentNotify || StrSend(pChild))
+ {
+ event.u.u.type = UnmapNotify;
+ event.u.unmapNotify.window = pChild->drawable.id;
+ event.u.unmapNotify.fromConfigure = xFalse;
+ DeliverEvents(pChild, &event, 1, NullWindow);
+ }
+ if (pChild->viewable)
+ {
+ pChild->valdata = UnmapValData;
+ anyMarked = TRUE;
+ }
+ pChild->mapped = FALSE;
+ if (pChild->realized)
+ UnrealizeTree(pChild, FALSE);
+ if (wasViewable)
+ {
+ }
+ }
+ }
+ if (wasViewable)
+ {
+ if (anyMarked)
+ {
+ if (pLayerWin->parent == pWin)
+ (*pScreen->MarkWindow)(pWin);
+ else
+ {
+ WindowPtr ptmp;
+ (*pScreen->MarkOverlappedWindows)(pWin, pLayerWin,
+ (WindowPtr *)NULL);
+ (*pScreen->MarkWindow)(pLayerWin->parent);
+
+ /* Windows between pWin and pLayerWin may not have been marked */
+ ptmp = pWin;
+
+ while (ptmp != pLayerWin->parent)
+ {
+ (*pScreen->MarkWindow)(ptmp);
+ ptmp = ptmp->parent;
+ }
+ pHead = pWin->firstChild;
+ }
+ (*pScreen->ValidateTree)(pLayerWin->parent, pHead, VTUnmap);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pHead, VTUnmap);
+ }
+ if (wasRealized)
+ WindowsRestructured ();
+}
+
+
+void
+HandleSaveSet(ClientPtr client)
+{
+ WindowPtr pParent, pWin;
+ int j;
+
+ for (j=0; j<client->numSaved; j++)
+ {
+ pWin = SaveSetWindow(client->saveSet[j]);
+#ifdef XFIXES
+ if (SaveSetToRoot(client->saveSet[j]))
+ pParent = pWin->drawable.pScreen->root;
+ else
+#endif
+ {
+ pParent = pWin->parent;
+ while (pParent && (wClient (pParent) == client))
+ pParent = pParent->parent;
+ }
+ if (pParent)
+ {
+ if (pParent != pWin->parent)
+ {
+#ifdef XFIXES
+ /* unmap first so that ReparentWindow doesn't remap */
+ if (!SaveSetShouldMap (client->saveSet[j]))
+ UnmapWindow(pWin, FALSE);
+#endif
+ ReparentWindow(pWin, pParent,
+ pWin->drawable.x - wBorderWidth (pWin) - pParent->drawable.x,
+ pWin->drawable.y - wBorderWidth (pWin) - pParent->drawable.y,
+ client);
+ if(!pWin->realized && pWin->mapped)
+ pWin->mapped = FALSE;
+ }
+#ifdef XFIXES
+ if (SaveSetShouldMap (client->saveSet[j]))
+#endif
+ MapWindow(pWin, client);
+ }
+ }
+ free(client->saveSet);
+ client->numSaved = 0;
+ client->saveSet = (SaveSetElt *)NULL;
+}
+
+/**
+ *
+ * \param x,y in root
+ */
+Bool
+PointInWindowIsVisible(WindowPtr pWin, int x, int y)
+{
+ BoxRec box;
+
+ if (!pWin->realized)
+ return FALSE;
+ if (RegionContainsPoint(&pWin->borderClip,
+ x, y, &box)
+ && (!wInputShape(pWin) ||
+ RegionContainsPoint(wInputShape(pWin),
+ x - pWin->drawable.x,
+ y - pWin->drawable.y, &box)))
+ return TRUE;
+ return FALSE;
+}
+
+
+RegionPtr
+NotClippedByChildren(WindowPtr pWin)
+{
+ RegionPtr pReg = RegionCreate(NullBox, 1);
+ if (pWin->parent ||
+ screenIsSaved != SCREEN_SAVER_ON ||
+ !HasSaverWindow (pWin->drawable.pScreen))
+ {
+ RegionIntersect(pReg, &pWin->borderClip, &pWin->winSize);
+ }
+ return pReg;
+}
+
+void
+SendVisibilityNotify(WindowPtr pWin)
+{
+ xEvent event;
+ unsigned int visibility = pWin->visibility;
+
+ if (!MapUnmapEventsEnabled(pWin))
+ return;
+#ifdef PANORAMIX
+ /* This is not quite correct yet, but it's close */
+ if(!noPanoramiXExtension) {
+ PanoramiXRes *win;
+ WindowPtr pWin2;
+ int rc, i, Scrnum;
+
+ Scrnum = pWin->drawable.pScreen->myNum;
+
+ win = PanoramiXFindIDByScrnum(XRT_WINDOW, pWin->drawable.id, Scrnum);
+
+ if(!win || (win->u.win.visibility == visibility))
+ return;
+
+ switch(visibility) {
+ case VisibilityUnobscured:
+ FOR_NSCREENS(i) {
+ if(i == Scrnum) continue;
+
+ rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient,
+ DixWriteAccess);
+
+ if (rc == Success) {
+ if(pWin2->visibility == VisibilityPartiallyObscured)
+ return;
+
+ if(!i) pWin = pWin2;
+ }
+ }
+ break;
+ case VisibilityPartiallyObscured:
+ if(Scrnum) {
+ rc = dixLookupWindow(&pWin2, win->info[0].id, serverClient,
+ DixWriteAccess);
+ if (rc == Success) pWin = pWin2;
+ }
+ break;
+ case VisibilityFullyObscured:
+ FOR_NSCREENS(i) {
+ if(i == Scrnum) continue;
+
+ rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient,
+ DixWriteAccess);
+
+ if (rc == Success) {
+ if(pWin2->visibility != VisibilityFullyObscured)
+ return;
+
+ if(!i) pWin = pWin2;
+ }
+ }
+ break;
+ }
+
+ win->u.win.visibility = visibility;
+ }
+#endif
+
+ memset(&event, 0, sizeof(xEvent));
+ event.u.u.type = VisibilityNotify;
+ event.u.visibility.window = pWin->drawable.id;
+ event.u.visibility.state = visibility;
+ DeliverEvents(pWin, &event, 1, NullWindow);
+}
+
+#define RANDOM_WIDTH 32
+int
+dixSaveScreens(ClientPtr client, int on, int mode)
+{
+ int rc, i, what, type;
+
+ if (on == SCREEN_SAVER_FORCER)
+ {
+ if (mode == ScreenSaverReset)
+ what = SCREEN_SAVER_OFF;
+ else
+ what = SCREEN_SAVER_ON;
+ type = what;
+ }
+ else
+ {
+ what = on;
+ type = what;
+ if (what == screenIsSaved)
+ type = SCREEN_SAVER_CYCLE;
+ }
+
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i],
+ DixShowAccess | DixHideAccess);
+ if (rc != Success)
+ return rc;
+ }
+ for (i = 0; i < screenInfo.numScreens; i++)
+ {
+ ScreenPtr pScreen = screenInfo.screens[i];
+ if (on == SCREEN_SAVER_FORCER)
+ (* pScreen->SaveScreen) (pScreen, on);
+ if (pScreen->screensaver.ExternalScreenSaver)
+ {
+ if ((*pScreen->screensaver.ExternalScreenSaver)
+ (pScreen, type, on == SCREEN_SAVER_FORCER))
+ continue;
+ }
+ if (type == screenIsSaved)
+ continue;
+ switch (type) {
+ case SCREEN_SAVER_OFF:
+ if (pScreen->screensaver.blanked == SCREEN_IS_BLANKED)
+ {
+ (* pScreen->SaveScreen) (pScreen, what);
+ }
+ else if (HasSaverWindow (pScreen))
+ {
+ pScreen->screensaver.pWindow = NullWindow;
+ FreeResource(pScreen->screensaver.wid, RT_NONE);
+ }
+ break;
+ case SCREEN_SAVER_CYCLE:
+ if (pScreen->screensaver.blanked == SCREEN_IS_TILED)
+ {
+ WindowPtr pWin = pScreen->screensaver.pWindow;
+ /* make it look like screen saver is off, so that
+ * NotClippedByChildren will compute a clip list
+ * for the root window, so miPaintWindow works
+ */
+ screenIsSaved = SCREEN_SAVER_OFF;
+ (*pWin->drawable.pScreen->MoveWindow)(pWin,
+ (short)(-(rand() % RANDOM_WIDTH)),
+ (short)(-(rand() % RANDOM_WIDTH)),
+ pWin->nextSib, VTMove);
+ screenIsSaved = SCREEN_SAVER_ON;
+ }
+ /*
+ * Call the DDX saver in case it wants to do something
+ * at cycle time
+ */
+ else if (pScreen->screensaver.blanked == SCREEN_IS_BLANKED)
+ {
+ (* pScreen->SaveScreen) (pScreen, type);
+ }
+ break;
+ case SCREEN_SAVER_ON:
+ if (ScreenSaverBlanking != DontPreferBlanking)
+ {
+ if ((* pScreen->SaveScreen) (pScreen, what))
+ {
+ pScreen->screensaver.blanked = SCREEN_IS_BLANKED;
+ continue;
+ }
+ if ((ScreenSaverAllowExposures != DontAllowExposures) &&
+ TileScreenSaver(pScreen, SCREEN_IS_BLACK))
+ {
+ pScreen->screensaver.blanked = SCREEN_IS_BLACK;
+ continue;
+ }
+ }
+ if ((ScreenSaverAllowExposures != DontAllowExposures) &&
+ TileScreenSaver(pScreen, SCREEN_IS_TILED))
+ {
+ pScreen->screensaver.blanked = SCREEN_IS_TILED;
+ }
+ else
+ pScreen->screensaver.blanked = SCREEN_ISNT_SAVED;
+ break;
+ }
+ }
+ screenIsSaved = what;
+ if (mode == ScreenSaverReset) {
+ if (on == SCREEN_SAVER_FORCER) {
+ UpdateCurrentTimeIf();
+ lastDeviceEventTime = currentTime;
+ }
+ SetScreenSaverTimer();
+ }
+ return Success;
+}
+
+int
+SaveScreens(int on, int mode)
+{
+ return dixSaveScreens(serverClient, on, mode);
+}
+
+static Bool
+TileScreenSaver(ScreenPtr pScreen, int kind)
+{
+ int j;
+ int result;
+ XID attributes[3];
+ Mask mask;
+ WindowPtr pWin;
+ CursorMetricRec cm;
+ unsigned char *srcbits, *mskbits;
+ CursorPtr cursor;
+ XID cursorID = 0;
+ int attri;
+
+ mask = 0;
+ attri = 0;
+ switch (kind) {
+ case SCREEN_IS_TILED:
+ switch (pScreen->root->backgroundState) {
+ case BackgroundPixel:
+ attributes[attri++] = pScreen->root->background.pixel;
+ mask |= CWBackPixel;
+ break;
+ case BackgroundPixmap:
+ attributes[attri++] = None;
+ mask |= CWBackPixmap;
+ break;
+ default:
+ break;
+ }
+ break;
+ case SCREEN_IS_BLACK:
+ attributes[attri++] = pScreen->root->drawable.pScreen->blackPixel;
+ mask |= CWBackPixel;
+ break;
+ }
+ mask |= CWOverrideRedirect;
+ attributes[attri++] = xTrue;
+
+ /*
+ * create a blank cursor
+ */
+
+ cm.width=16;
+ cm.height=16;
+ cm.xhot=8;
+ cm.yhot=8;
+ srcbits = malloc( BitmapBytePad(32)*16);
+ mskbits = malloc( BitmapBytePad(32)*16);
+ if (!srcbits || !mskbits)
+ {
+ free(srcbits);
+ free(mskbits);
+ cursor = 0;
+ }
+ else
+ {
+ for (j=0; j<BitmapBytePad(32)*16; j++)
+ srcbits[j] = mskbits[j] = 0x0;
+ result = AllocARGBCursor(srcbits, mskbits, NULL, &cm, 0, 0, 0, 0, 0, 0,
+ &cursor, serverClient, (XID)0);
+ if (cursor)
+ {
+ cursorID = FakeClientID(0);
+ if (AddResource (cursorID, RT_CURSOR, (pointer) cursor))
+ {
+ attributes[attri] = cursorID;
+ mask |= CWCursor;
+ }
+ else
+ cursor = 0;
+ }
+ else
+ {
+ free(srcbits);
+ free(mskbits);
+ }
+ }
+
+ pWin = pScreen->screensaver.pWindow =
+ CreateWindow(pScreen->screensaver.wid,
+ pScreen->root,
+ -RANDOM_WIDTH, -RANDOM_WIDTH,
+ (unsigned short)pScreen->width + RANDOM_WIDTH,
+ (unsigned short)pScreen->height + RANDOM_WIDTH,
+ 0, InputOutput, mask, attributes, 0, serverClient,
+ wVisual (pScreen->root), &result);
+
+ if (cursor)
+ FreeResource (cursorID, RT_NONE);
+
+ if (!pWin)
+ return FALSE;
+
+ if (!AddResource(pWin->drawable.id, RT_WINDOW,
+ (pointer)pScreen->screensaver.pWindow))
+ return FALSE;
+
+ if (mask & CWBackPixmap)
+ {
+ MakeRootTile (pWin);
+ (*pWin->drawable.pScreen->ChangeWindowAttributes)(pWin, CWBackPixmap);
+ }
+ MapWindow(pWin, serverClient);
+ return TRUE;
+}
+
+/*
+ * FindWindowWithOptional
+ *
+ * search ancestors of the given window for an entry containing
+ * a WindowOpt structure. Assumptions: some parent will
+ * contain the structure.
+ */
+
+WindowPtr
+FindWindowWithOptional (WindowPtr w)
+{
+ do
+ w = w->parent;
+ while (!w->optional);
+ return w;
+}
+
+/*
+ * CheckWindowOptionalNeed
+ *
+ * check each optional entry in the given window to see if
+ * the value is satisfied by the default rules. If so,
+ * release the optional record
+ */
+
+void
+CheckWindowOptionalNeed (WindowPtr w)
+{
+ WindowOptPtr optional;
+ WindowOptPtr parentOptional;
+
+ if (!w->parent || !w->optional)
+ return;
+ optional = w->optional;
+ if (optional->dontPropagateMask != DontPropagateMasks[w->dontPropagate])
+ return;
+ if (optional->otherEventMasks != 0)
+ return;
+ if (optional->otherClients != NULL)
+ return;
+ if (optional->passiveGrabs != NULL)
+ return;
+ if (optional->userProps != NULL)
+ return;
+ if (optional->backingBitPlanes != ~0L)
+ return;
+ if (optional->backingPixel != 0)
+ return;
+ if (optional->boundingShape != NULL)
+ return;
+ if (optional->clipShape != NULL)
+ return;
+ if (optional->inputShape != NULL)
+ return;
+ if (optional->inputMasks != NULL)
+ return;
+ if (optional->deviceCursors != NULL)
+ {
+ DevCursNodePtr pNode = optional->deviceCursors;
+ while(pNode)
+ {
+ if (pNode->cursor != None)
+ return;
+ pNode = pNode->next;
+ }
+ }
+
+ parentOptional = FindWindowWithOptional(w)->optional;
+ if (optional->visual != parentOptional->visual)
+ return;
+ if (optional->cursor != None &&
+ (optional->cursor != parentOptional->cursor ||
+ w->parent->cursorIsNone))
+ return;
+ if (optional->colormap != parentOptional->colormap)
+ return;
+ DisposeWindowOptional (w);
+}
+
+/*
+ * MakeWindowOptional
+ *
+ * create an optional record and initialize it with the default
+ * values.
+ */
+
+Bool
+MakeWindowOptional (WindowPtr pWin)
+{
+ WindowOptPtr optional;
+ WindowOptPtr parentOptional;
+
+ if (pWin->optional)
+ return TRUE;
+ optional = malloc(sizeof (WindowOptRec));
+ if (!optional)
+ return FALSE;
+ optional->dontPropagateMask = DontPropagateMasks[pWin->dontPropagate];
+ optional->otherEventMasks = 0;
+ optional->otherClients = NULL;
+ optional->passiveGrabs = NULL;
+ optional->userProps = NULL;
+ optional->backingBitPlanes = ~0L;
+ optional->backingPixel = 0;
+ optional->boundingShape = NULL;
+ optional->clipShape = NULL;
+ optional->inputShape = NULL;
+ optional->inputMasks = NULL;
+ optional->deviceCursors = NULL;
+
+ parentOptional = FindWindowWithOptional(pWin)->optional;
+ optional->visual = parentOptional->visual;
+ if (!pWin->cursorIsNone)
+ {
+ optional->cursor = parentOptional->cursor;
+ optional->cursor->refcnt++;
+ }
+ else
+ {
+ optional->cursor = None;
+ }
+ optional->colormap = parentOptional->colormap;
+ pWin->optional = optional;
+ return TRUE;
+}
+
+/*
+ * Changes the cursor struct for the given device and the given window.
+ * A cursor that does not have a device cursor set will use whatever the
+ * standard cursor is for the window. If all devices have a cursor set,
+ * changing the window cursor (e.g. using XDefineCursor()) will not have any
+ * visible effect. Only when one of the device cursors is set to None again,
+ * this device's cursor will display the changed standard cursor.
+ *
+ * CursorIsNone of the window struct is NOT modified if you set a device
+ * cursor.
+ *
+ * Assumption: If there is a node for a device in the list, the device has a
+ * cursor. If the cursor is set to None, it is inherited by the parent.
+ */
+int
+ChangeWindowDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ CursorPtr pCursor)
+{
+ DevCursNodePtr pNode, pPrev;
+ CursorPtr pOldCursor = NULL;
+ ScreenPtr pScreen;
+ WindowPtr pChild;
+
+ if (!pWin->optional && !MakeWindowOptional(pWin))
+ return BadAlloc;
+
+ /* 1) Check if window has device cursor set
+ * Yes: 1.1) swap cursor with given cursor if parent does not have same
+ * cursor, free old cursor
+ * 1.2) free old cursor, use parent cursor
+ * No: 1.1) add node to beginning of list.
+ * 1.2) add cursor to node if parent does not have same cursor
+ * 1.3) use parent cursor if parent does not have same cursor
+ * 2) Patch up children if child has a devcursor
+ * 2.1) if child has cursor None, it inherited from parent, set to old
+ * cursor
+ * 2.2) if child has same cursor as new cursor, remove and set to None
+ */
+
+ pScreen = pWin->drawable.pScreen;
+
+ if (WindowSeekDeviceCursor(pWin, pDev, &pNode, &pPrev))
+ {
+ /* has device cursor */
+
+ if (pNode->cursor == pCursor)
+ return Success;
+
+ pOldCursor = pNode->cursor;
+
+ if (!pCursor) /* remove from list */
+ {
+ if(pPrev)
+ pPrev->next = pNode->next;
+ else
+ /* first item in list */
+ pWin->optional->deviceCursors = pNode->next;
+
+ free(pNode);
+ goto out;
+ }
+
+ } else
+ {
+ /* no device cursor yet */
+ DevCursNodePtr pNewNode;
+
+ if (!pCursor)
+ return Success;
+
+ pNewNode = malloc(sizeof(DevCursNodeRec));
+ pNewNode->dev = pDev;
+ pNewNode->next = pWin->optional->deviceCursors;
+ pWin->optional->deviceCursors = pNewNode;
+ pNode = pNewNode;
+
+ }
+
+ if (pCursor && WindowParentHasDeviceCursor(pWin, pDev, pCursor))
+ pNode->cursor = None;
+ else
+ {
+ pNode->cursor = pCursor;
+ pCursor->refcnt++;
+ }
+
+ pNode = pPrev = NULL;
+ /* fix up children */
+ for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
+ {
+ if (WindowSeekDeviceCursor(pChild, pDev, &pNode, &pPrev))
+ {
+ if (pNode->cursor == None) /* inherited from parent */
+ {
+ pNode->cursor = pOldCursor;
+ pOldCursor->refcnt++;
+ } else if (pNode->cursor == pCursor)
+ {
+ pNode->cursor = None;
+ FreeCursor(pCursor, (Cursor)0); /* fix up refcnt */
+ }
+ }
+ }
+
+out:
+ if (pWin->realized)
+ WindowHasNewCursor(pWin);
+
+ if (pOldCursor)
+ FreeCursor(pOldCursor, (Cursor)0);
+
+ /* FIXME: We SHOULD check for an error value here XXX
+ (comment taken from ChangeWindowAttributes) */
+ (*pScreen->ChangeWindowAttributes)(pWin, CWCursor);
+
+ return Success;
+}
+
+/* Get device cursor for given device or None if none is set */
+CursorPtr
+WindowGetDeviceCursor(WindowPtr pWin, DeviceIntPtr pDev)
+{
+ DevCursorList pList;
+
+ if (!pWin->optional || !pWin->optional->deviceCursors)
+ return NULL;
+
+ pList = pWin->optional->deviceCursors;
+
+ while(pList)
+ {
+ if (pList->dev == pDev)
+ {
+ if (pList->cursor == None) /* inherited from parent */
+ return WindowGetDeviceCursor(pWin->parent, pDev);
+ else
+ return pList->cursor;
+ }
+ pList = pList->next;
+ }
+ return NULL;
+}
+
+/* Searches for a DevCursorNode for the given window and device. If one is
+ * found, return True and set pNode and pPrev to the node and to the node
+ * before the node respectively. Otherwise return False.
+ * If the device is the first in list, pPrev is set to NULL.
+ */
+static Bool
+WindowSeekDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ DevCursNodePtr* pNode,
+ DevCursNodePtr* pPrev)
+{
+ DevCursorList pList;
+
+ if (!pWin->optional)
+ return FALSE;
+
+ pList = pWin->optional->deviceCursors;
+
+ if (pList && pList->dev == pDev)
+ {
+ *pNode = pList;
+ *pPrev = NULL;
+ return TRUE;
+ }
+
+ while(pList)
+ {
+ if (pList->next)
+ {
+ if (pList->next->dev == pDev)
+ {
+ *pNode = pList->next;
+ *pPrev = pList;
+ return TRUE;
+ }
+ }
+ pList = pList->next;
+ }
+ return FALSE;
+}
+
+/* Return True if a parent has the same device cursor set or False if
+ * otherwise
+ */
+static Bool
+WindowParentHasDeviceCursor(WindowPtr pWin,
+ DeviceIntPtr pDev,
+ CursorPtr pCursor)
+{
+ WindowPtr pParent;
+ DevCursNodePtr pParentNode, pParentPrev;
+
+ pParent = pWin->parent;
+ while(pParent)
+ {
+ if (WindowSeekDeviceCursor(pParent, pDev,
+ &pParentNode, &pParentPrev))
+ {
+ /* if there is a node in the list, the win has a dev cursor */
+ if (!pParentNode->cursor) /* inherited. */
+ pParent = pParent->parent;
+ else if (pParentNode->cursor == pCursor) /* inherit */
+ return TRUE;
+ else /* different cursor */
+ return FALSE;
+ }
+ else
+ /* parent does not have a device cursor for our device */
+ return FALSE;
+ }
+ return FALSE;
+}