+++ /dev/null
-/***********************************************************
-
-Copyright (c) 1987 X Consortium
-
-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 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
-X CONSORTIUM 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 X Consortium 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 X Consortium.
-
-
-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.
-
-******************************************************************/
-/* $XConsortium: miwindow.c,v 5.16 94/04/17 20:28:03 dpw Exp $ */
-#include "X.h"
-#include "miscstruct.h"
-#include "region.h"
-#include "mi.h"
-#include "windowstr.h"
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "mivalidate.h"
-
-void
-miClearToBackground(pWin, x, y, w, h, generateExposures)
- WindowPtr pWin;
- int x,y;
- int w,h;
- Bool generateExposures;
-{
- BoxRec box;
- RegionRec reg;
- RegionPtr pBSReg = NullRegion;
- ScreenPtr pScreen;
- BoxPtr extents;
- int x1, y1, x2, y2;
-
- /* compute everything using ints to avoid overflow */
-
- x1 = pWin->drawable.x + x;
- y1 = pWin->drawable.y + y;
- if (w)
- x2 = x1 + (int) w;
- else
- x2 = x1 + (int) pWin->drawable.width - (int) x;
- if (h)
- y2 = y1 + h;
- else
- y2 = y1 + (int) pWin->drawable.height - (int) y;
-
- extents = &pWin->clipList.extents;
-
- /* clip the resulting rectangle to the window clipList extents. This
- * makes sure that the result will fit in a box, given that the
- * screen is < 32768 on a side.
- */
-
- if (x1 < extents->x1)
- x1 = extents->x1;
- if (x2 > extents->x2)
- x2 = extents->x2;
- if (y1 < extents->y1)
- y1 = extents->y1;
- if (y2 > extents->y2)
- y2 = extents->y2;
-
- if (x2 <= x1 || y2 <= y1)
- {
- x2 = x1 = 0;
- y2 = y1 = 0;
- }
-
- box.x1 = x1;
- box.x2 = x2;
- box.y1 = y1;
- box.y2 = y2;
-
- pScreen = pWin->drawable.pScreen;
- REGION_INIT(pScreen, ®, &box, 1);
- if (pWin->backStorage)
- {
- /*
- * If the window has backing-store on, call through the
- * ClearToBackground vector to handle the special semantics
- * (i.e. things backing store is to be cleared out and
- * an Expose event is to be generated for those areas in backing
- * store if generateExposures is TRUE).
- */
- pBSReg = (* pScreen->ClearBackingStore)(pWin, x, y, w, h,
- generateExposures);
- }
-
- REGION_INTERSECT(pScreen, ®, ®, &pWin->clipList);
- if (generateExposures)
- (*pScreen->WindowExposures)(pWin, ®, pBSReg);
- else if (pWin->backgroundState != None)
- (*pScreen->PaintWindowBackground)(pWin, ®, PW_BACKGROUND);
- REGION_UNINIT(pScreen, ®);
- if (pBSReg)
- REGION_DESTROY(pScreen, pBSReg);
-}
-
-/*
- * For SaveUnders using backing-store. The idea is that when a window is mapped
- * with saveUnder set TRUE, any windows it obscures will have its backing
- * store turned on setting the DIXsaveUnder bit,
- * The backing-store code must be written to allow for this
- */
-
-/*-
- *-----------------------------------------------------------------------
- * miCheckSubSaveUnder --
- * Check all the inferiors of a window for coverage by saveUnder
- * windows. Called from ChangeSaveUnder and CheckSaveUnder.
- * This code is very inefficient.
- *
- * Results:
- * TRUE if any windows need to have backing-store removed.
- *
- * Side Effects:
- * Windows may have backing-store turned on or off.
- *
- *-----------------------------------------------------------------------
- */
-static Bool
-miCheckSubSaveUnder(pParent, pFirst, pRegion)
- register WindowPtr pParent; /* Parent to check */
- WindowPtr pFirst; /* first reconfigured window */
- RegionPtr pRegion; /* Initial area obscured by saveUnder */
-{
- register WindowPtr pChild; /* Current child */
- register ScreenPtr pScreen; /* Screen to use */
- RegionRec SubRegion; /* Area of children obscured */
- Bool res = FALSE; /* result */
- Bool subInited=FALSE;/* SubRegion initialized */
-
- pScreen = pParent->drawable.pScreen;
- if ( (pChild = pParent->firstChild) )
- {
- /*
- * build region above first changed window
- */
-
- for (; pChild != pFirst; pChild = pChild->nextSib)
- if (pChild->viewable && pChild->saveUnder)
- REGION_UNION(pScreen, pRegion, pRegion, &pChild->borderSize);
-
- /*
- * check region below and including first changed window
- */
-
- for (; pChild; pChild = pChild->nextSib)
- {
- if (pChild->viewable)
- {
- /*
- * don't save under nephew/niece windows;
- * use a separate region
- */
-
- if (pChild->firstChild)
- {
- if (!subInited)
- {
- REGION_INIT(pScreen, &SubRegion, NullBox, 0);
- subInited = TRUE;
- }
- REGION_COPY(pScreen, &SubRegion, pRegion);
- res |= miCheckSubSaveUnder(pChild, pChild->firstChild,
- &SubRegion);
- }
- else
- {
- res |= miCheckSubSaveUnder(pChild, pChild->firstChild,
- pRegion);
- }
-
- if (pChild->saveUnder)
- REGION_UNION(pScreen, pRegion, pRegion, &pChild->borderSize);
- }
- }
-
- if (subInited)
- REGION_UNINIT(pScreen, &SubRegion);
- }
-
- /*
- * Check the state of this window. DIX save unders are
- * enabled for viewable windows with some client expressing
- * exposure interest and which intersect the save under region
- */
-
- if (pParent->viewable &&
- ((pParent->eventMask | wOtherEventMasks(pParent)) & ExposureMask) &&
- REGION_NOTEMPTY(pScreen, &pParent->borderSize) &&
- RECT_IN_REGION(pScreen, pRegion, REGION_EXTENTS(pScreen,
- &pParent->borderSize)) != rgnOUT)
- {
- if (!pParent->DIXsaveUnder)
- {
- pParent->DIXsaveUnder = TRUE;
- (*pScreen->ChangeWindowAttributes) (pParent, CWBackingStore);
- }
- }
- else
- {
- if (pParent->DIXsaveUnder)
- {
- res = TRUE;
- pParent->DIXsaveUnder = FALSE;
- }
- }
- return res;
-}
-
-
-/*-
- *-----------------------------------------------------------------------
- * miChangeSaveUnder --
- * Change the save-under state of a tree of windows. Called when
- * a window with saveUnder TRUE is mapped/unmapped/reconfigured.
- *
- * Results:
- * TRUE if any windows need to have backing-store removed (which
- * means that PostChangeSaveUnder needs to be called later to
- * finish the job).
- *
- * Side Effects:
- * Windows may have backing-store turned on or off.
- *
- *-----------------------------------------------------------------------
- */
-Bool
-miChangeSaveUnder(pWin, first)
- register WindowPtr pWin;
- WindowPtr first; /* First window to check.
- * Used when pWin was restacked */
-{
- RegionRec rgn; /* Area obscured by saveUnder windows */
- register ScreenPtr pScreen;
- Bool res;
-
- if (!deltaSaveUndersViewable && !numSaveUndersViewable)
- return FALSE;
- numSaveUndersViewable += deltaSaveUndersViewable;
- deltaSaveUndersViewable = 0;
- pScreen = pWin->drawable.pScreen;
- REGION_INIT(pScreen, &rgn, NullBox, 1);
- res = miCheckSubSaveUnder (pWin->parent,
- pWin->saveUnder ? first : pWin->nextSib,
- &rgn);
- REGION_UNINIT(pScreen, &rgn);
- return res;
-}
-
-/*-
- *-----------------------------------------------------------------------
- * miPostChangeSaveUnder --
- * Actually turn backing-store off for those windows that no longer
- * need to have it on.
- *
- * Results:
- * None.
- *
- * Side Effects:
- * Backing-store and SAVE_UNDER_CHANGE_BIT are turned off for those
- * windows affected.
- *
- *-----------------------------------------------------------------------
- */
-void
-miPostChangeSaveUnder(pWin, pFirst)
- WindowPtr pWin;
- WindowPtr pFirst;
-{
- register WindowPtr pParent, pChild;
- ChangeWindowAttributesProcPtr ChangeWindowAttributes;
-
- if (!(pParent = pWin->parent))
- return;
- ChangeWindowAttributes = pParent->drawable.pScreen->ChangeWindowAttributes;
- if (!pParent->DIXsaveUnder &&
- (pParent->backingStore == NotUseful) && pParent->backStorage)
- (*ChangeWindowAttributes)(pParent, CWBackingStore);
- if (!(pChild = pFirst))
- return;
- while (1)
- {
- if (!pChild->DIXsaveUnder &&
- (pChild->backingStore == NotUseful) && pChild->backStorage)
- (*ChangeWindowAttributes)(pChild, CWBackingStore);
- if (pChild->firstChild)
- {
- pChild = pChild->firstChild;
- continue;
- }
- while (!pChild->nextSib)
- {
- pChild = pChild->parent;
- if (pChild == pParent)
- return;
- }
- pChild = pChild->nextSib;
- }
-}
-
-void
-miMarkWindow(pWin)
- register WindowPtr pWin;
-{
- register ValidatePtr val;
-
- if (pWin->valdata)
- return;
- val = (ValidatePtr)xnfalloc(sizeof(ValidateRec));
- val->before.oldAbsCorner.x = pWin->drawable.x;
- val->before.oldAbsCorner.y = pWin->drawable.y;
- val->before.borderVisible = NullRegion;
- val->before.resized = FALSE;
- pWin->valdata = val;
-}
-
-Bool
-miMarkOverlappedWindows(pWin, pFirst, ppLayerWin)
- WindowPtr pWin;
- WindowPtr pFirst;
- WindowPtr *ppLayerWin;
-{
- register BoxPtr box;
- register WindowPtr pChild, pLast;
- Bool anyMarked = FALSE;
- void (* MarkWindow)() = pWin->drawable.pScreen->MarkWindow;
- ScreenPtr pScreen = pWin->drawable.pScreen;
-
- /* single layered systems are easy */
- if (ppLayerWin) *ppLayerWin = pWin;
-
- if (pWin == pFirst)
- {
- /* Blindly mark pWin and all of its inferiors. This is a slight
- * overkill if there are mapped windows that outside pWin's border,
- * but it's better than wasting time on RectIn checks.
- */
- pChild = pWin;
- while (1)
- {
- if (pChild->viewable)
- {
- (* MarkWindow)(pChild);
- if (pChild->firstChild)
- {
- pChild = pChild->firstChild;
- continue;
- }
- }
- while (!pChild->nextSib && (pChild != pWin))
- pChild = pChild->parent;
- if (pChild == pWin)
- break;
- pChild = pChild->nextSib;
- }
- anyMarked = TRUE;
- pFirst = pFirst->nextSib;
- }
- if ( (pChild = pFirst) )
- {
- box = REGION_EXTENTS(pChild->drawable.pScreen, &pWin->borderSize);
- pLast = pChild->parent->lastChild;
- while (1)
- {
- if (pChild->viewable && RECT_IN_REGION(pScreen, &pChild->borderSize,
- box))
- {
- (* MarkWindow)(pChild);
- anyMarked = TRUE;
- if (pChild->firstChild)
- {
- pChild = pChild->firstChild;
- continue;
- }
- }
- while (!pChild->nextSib && (pChild != pLast))
- pChild = pChild->parent;
- if (pChild == pLast)
- break;
- pChild = pChild->nextSib;
- }
- }
- if (anyMarked)
- (* MarkWindow)(pWin->parent);
- return anyMarked;
-}
-
-/*****
- * miHandleValidateExposures(pWin)
- * starting at pWin, draw background in any windows that have exposure
- * regions, translate the regions, restore any backing store,
- * and then send any regions still exposed to the client
- *****/
-void
-miHandleValidateExposures(pWin)
- WindowPtr pWin;
-{
- register WindowPtr pChild;
- register ValidatePtr val;
- ScreenPtr pScreen = pWin->drawable.pScreen;
- void (* WindowExposures)();
-
- pChild = pWin;
- WindowExposures = pChild->drawable.pScreen->WindowExposures;
- while (1)
- {
- if ( (val = pChild->valdata) )
- {
- if (REGION_NOTEMPTY(pScreen, &val->after.borderExposed))
- (*pChild->drawable.pScreen->PaintWindowBorder)(pChild,
- &val->after.borderExposed,
- PW_BORDER);
- REGION_UNINIT(pScreen, &val->after.borderExposed);
- (*WindowExposures)(pChild, &val->after.exposed, NullRegion);
- REGION_UNINIT(pScreen, &val->after.exposed);
- xfree(val);
- pChild->valdata = (ValidatePtr)NULL;
- if (pChild->firstChild)
- {
- pChild = pChild->firstChild;
- continue;
- }
- }
- while (!pChild->nextSib && (pChild != pWin))
- pChild = pChild->parent;
- if (pChild == pWin)
- break;
- pChild = pChild->nextSib;
- }
-}
-
-void
-miMoveWindow(pWin, x, y, pNextSib, kind)
- register WindowPtr pWin;
- int x,y;
- WindowPtr pNextSib;
- VTKind kind;
-{
- WindowPtr pParent;
- Bool WasViewable = (Bool)(pWin->viewable);
- short bw;
- RegionPtr oldRegion;
- DDXPointRec oldpt;
- Bool anyMarked;
- register ScreenPtr pScreen;
- WindowPtr windowToValidate;
-#ifdef DO_SAVE_UNDERS
- Bool dosave = FALSE;
-#endif
- WindowPtr pLayerWin;
-
- /* if this is a root window, can't be moved */
- if (!(pParent = pWin->parent))
- return ;
- pScreen = pWin->drawable.pScreen;
- bw = wBorderWidth (pWin);
-
- oldpt.x = pWin->drawable.x;
- oldpt.y = pWin->drawable.y;
- if (WasViewable)
- {
- oldRegion = REGION_CREATE(pScreen, NullBox, 1);
- REGION_COPY(pScreen, oldRegion, &pWin->borderClip);
- anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin, &pLayerWin);
- }
- pWin->origin.x = x + (int)bw;
- pWin->origin.y = y + (int)bw;
- x = pWin->drawable.x = pParent->drawable.x + x + (int)bw;
- y = pWin->drawable.y = pParent->drawable.y + y + (int)bw;
-
- SetWinSize (pWin);
- SetBorderSize (pWin);
-
- (*pScreen->PositionWindow)(pWin, x, y);
-
- windowToValidate = MoveWindowInStack(pWin, pNextSib);
-
- ResizeChildrenWinSize(pWin, x - oldpt.x, y - oldpt.y, 0, 0);
-
- if (WasViewable)
- {
- if (pLayerWin == pWin)
- anyMarked |= (*pScreen->MarkOverlappedWindows)
- (pWin, windowToValidate, (WindowPtr *)NULL);
- else
- anyMarked |= (*pScreen->MarkOverlappedWindows)
- (pWin, pLayerWin, (WindowPtr *)NULL);
-
-#ifdef DO_SAVE_UNDERS
- if (DO_SAVE_UNDERS(pWin))
- {
- dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, windowToValidate);
- }
-#endif /* DO_SAVE_UNDERS */
-
- if (anyMarked)
- {
- (*pScreen->ValidateTree)(pLayerWin->parent, NullWindow, kind);
- (* pWin->drawable.pScreen->CopyWindow)(pWin, oldpt, oldRegion);
- REGION_DESTROY(pScreen, oldRegion);
- /* XXX need to retile border if ParentRelative origin */
- (*pScreen->HandleExposures)(pLayerWin->parent);
- }
-#ifdef DO_SAVE_UNDERS
- if (dosave)
- (*pScreen->PostChangeSaveUnder)(pLayerWin, windowToValidate);
-#endif /* DO_SAVE_UNDERS */
- if (anyMarked && pScreen->PostValidateTree)
- (*pScreen->PostValidateTree)(pLayerWin->parent, NullWindow, kind);
- }
- if (pWin->realized)
- WindowsRestructured ();
-}
-
-
-/*
- * pValid is a region of the screen which has been
- * successfully copied -- recomputed exposed regions for affected windows
- */
-
-static int
-miRecomputeExposures (pWin, value)
- register WindowPtr pWin;
- pointer value; /* must conform to VisitWindowProcPtr */
-{
- register ScreenPtr pScreen;
- RegionPtr pValid = (RegionPtr)value;
-
- if (pWin->valdata)
- {
- pScreen = pWin->drawable.pScreen;
- /*
- * compute exposed regions of this window
- */
- REGION_SUBTRACT(pScreen, &pWin->valdata->after.exposed,
- &pWin->clipList, pValid);
- /*
- * compute exposed regions of the border
- */
- REGION_SUBTRACT(pScreen, &pWin->valdata->after.borderExposed,
- &pWin->borderClip, &pWin->winSize);
- REGION_SUBTRACT(pScreen, &pWin->valdata->after.borderExposed,
- &pWin->valdata->after.borderExposed, pValid);
- return WT_WALKCHILDREN;
- }
- return WT_NOMATCH;
-}
-
-void
-miSlideAndSizeWindow(pWin, x, y, w, h, pSib)
- register WindowPtr pWin;
- int x,y;
- unsigned int w, h;
- WindowPtr pSib;
-{
- WindowPtr pParent;
- Bool WasViewable = (Bool)(pWin->viewable);
- unsigned short width = pWin->drawable.width,
- height = pWin->drawable.height;
- short oldx = pWin->drawable.x,
- oldy = pWin->drawable.y;
- int bw = wBorderWidth (pWin);
- short dw, dh;
- DDXPointRec oldpt;
- RegionPtr oldRegion;
- Bool anyMarked;
- register ScreenPtr pScreen;
- WindowPtr pFirstChange;
- register WindowPtr pChild;
- RegionPtr gravitate[StaticGravity + 1];
- register unsigned g;
- int nx, ny; /* destination x,y */
- int newx, newy; /* new inner window position */
- RegionPtr pRegion;
- RegionPtr destClip; /* portions of destination already written */
- RegionPtr oldWinClip; /* old clip list for window */
- RegionPtr borderVisible = NullRegion; /* visible area of the border */
- RegionPtr bsExposed = NullRegion; /* backing store exposures */
- Bool shrunk = FALSE; /* shrunk in an inner dimension */
- Bool moved = FALSE; /* window position changed */
-#ifdef DO_SAVE_UNDERS
- Bool dosave = FALSE;
-#endif
- WindowPtr pLayerWin;
-
- /* if this is a root window, can't be resized */
- if (!(pParent = pWin->parent))
- return ;
-
- pScreen = pWin->drawable.pScreen;
- newx = pParent->drawable.x + x + bw;
- newy = pParent->drawable.y + y + bw;
- if (WasViewable)
- {
- anyMarked = FALSE;
- /*
- * save the visible region of the window
- */
- oldRegion = REGION_CREATE(pScreen, NullBox, 1);
- REGION_COPY(pScreen, oldRegion, &pWin->winSize);
-
- /*
- * categorize child windows into regions to be moved
- */
- for (g = 0; g <= StaticGravity; g++)
- gravitate[g] = (RegionPtr) NULL;
- for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
- {
- g = pChild->winGravity;
- if (g != UnmapGravity)
- {
- if (!gravitate[g])
- gravitate[g] = REGION_CREATE(pScreen, NullBox, 1);
- REGION_UNION(pScreen, gravitate[g],
- gravitate[g], &pChild->borderClip);
- }
- else
- {
- UnmapWindow(pChild, TRUE);
- anyMarked = TRUE;
- }
- }
- anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin,
- &pLayerWin);
-
- oldWinClip = NULL;
- if (pWin->bitGravity != ForgetGravity)
- {
- oldWinClip = REGION_CREATE(pScreen, NullBox, 1);
- REGION_COPY(pScreen, oldWinClip, &pWin->clipList);
- }
- /*
- * if the window is changing size, borderExposed
- * can't be computed correctly without some help.
- */
- if (pWin->drawable.height > h || pWin->drawable.width > w)
- shrunk = TRUE;
-
- if (newx != oldx || newy != oldy)
- moved = TRUE;
-
- if ((pWin->drawable.height != h || pWin->drawable.width != w) &&
- HasBorder (pWin))
- {
- borderVisible = REGION_CREATE(pScreen, NullBox, 1);
- /* for tiled borders, we punt and draw the whole thing */
- if (pWin->borderIsPixel || !moved)
- {
- if (shrunk || moved)
- REGION_SUBTRACT(pScreen, borderVisible,
- &pWin->borderClip,
- &pWin->winSize);
- else
- REGION_COPY(pScreen, borderVisible,
- &pWin->borderClip);
- }
- }
- }
- pWin->origin.x = x + bw;
- pWin->origin.y = y + bw;
- pWin->drawable.height = h;
- pWin->drawable.width = w;
-
- x = pWin->drawable.x = newx;
- y = pWin->drawable.y = newy;
-
- SetWinSize (pWin);
- SetBorderSize (pWin);
-
- dw = (int)w - (int)width;
- dh = (int)h - (int)height;
- ResizeChildrenWinSize(pWin, x - oldx, y - oldy, dw, dh);
-
- /* let the hardware adjust background and border pixmaps, if any */
- (*pScreen->PositionWindow)(pWin, x, y);
-
- pFirstChange = MoveWindowInStack(pWin, pSib);
-
- if (WasViewable)
- {
- pRegion = REGION_CREATE(pScreen, NullBox, 1);
- if (pWin->backStorage)
- REGION_COPY(pScreen, pRegion, &pWin->clipList);
-
- if (pLayerWin == pWin)
- anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pFirstChange,
- (WindowPtr *)NULL);
- else
- anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pLayerWin,
- (WindowPtr *)NULL);
-
- if (pWin->valdata)
- {
- pWin->valdata->before.resized = TRUE;
- pWin->valdata->before.borderVisible = borderVisible;
- }
-
-#ifdef DO_SAVE_UNDERS
- if (DO_SAVE_UNDERS(pWin))
- {
- dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pFirstChange);
- }
-#endif /* DO_SAVE_UNDERS */
-
- if (anyMarked)
- (*pScreen->ValidateTree)(pLayerWin->parent, pFirstChange, VTOther);
- /*
- * the entire window is trashed unless bitGravity
- * recovers portions of it
- */
- REGION_COPY(pScreen, &pWin->valdata->after.exposed, &pWin->clipList);
- }
-
- GravityTranslate (x, y, oldx, oldy, dw, dh, pWin->bitGravity, &nx, &ny);
-
- if (pWin->backStorage &&
- ((pWin->backingStore == Always) || WasViewable))
- {
- if (!WasViewable)
- pRegion = &pWin->clipList; /* a convenient empty region */
- if (pWin->bitGravity == ForgetGravity)
- bsExposed = (*pScreen->TranslateBackingStore)
- (pWin, 0, 0, NullRegion, oldx, oldy);
- else
- {
- bsExposed = (*pScreen->TranslateBackingStore)
- (pWin, nx - x, ny - y, pRegion, oldx, oldy);
- }
- }
-
- if (WasViewable)
- {
- /* avoid the border */
- if (HasBorder (pWin))
- {
- int offx, offy, dx, dy;
-
- /* kruft to avoid double translates for each gravity */
- offx = 0;
- offy = 0;
- for (g = 0; g <= StaticGravity; g++)
- {
- if (!gravitate[g])
- continue;
-
- /* align winSize to gravitate[g].
- * winSize is in new coordinates,
- * gravitate[g] is still in old coordinates */
- GravityTranslate (x, y, oldx, oldy, dw, dh, g, &nx, &ny);
-
- dx = (oldx - nx) - offx;
- dy = (oldy - ny) - offy;
- if (dx || dy)
- {
- REGION_TRANSLATE(pScreen, &pWin->winSize, dx, dy);
- offx += dx;
- offy += dy;
- }
- REGION_INTERSECT(pScreen, gravitate[g], gravitate[g],
- &pWin->winSize);
- }
- /* get winSize back where it belongs */
- if (offx || offy)
- REGION_TRANSLATE(pScreen, &pWin->winSize, -offx, -offy);
- }
- /*
- * add screen bits to the appropriate bucket
- */
-
- if (oldWinClip)
- {
- /*
- * clip to new clipList
- */
- REGION_COPY(pScreen, pRegion, oldWinClip);
- REGION_TRANSLATE(pScreen, pRegion, nx - oldx, ny - oldy);
- REGION_INTERSECT(pScreen, oldWinClip, pRegion, &pWin->clipList);
- /*
- * don't step on any gravity bits which will be copied after this
- * region. Note -- this assumes that the regions will be copied
- * in gravity order.
- */
- for (g = pWin->bitGravity + 1; g <= StaticGravity; g++)
- {
- if (gravitate[g])
- REGION_SUBTRACT(pScreen, oldWinClip, oldWinClip,
- gravitate[g]);
- }
- REGION_TRANSLATE(pScreen, oldWinClip, oldx - nx, oldy - ny);
- g = pWin->bitGravity;
- if (!gravitate[g])
- gravitate[g] = oldWinClip;
- else
- {
- REGION_UNION(pScreen, gravitate[g], gravitate[g], oldWinClip);
- REGION_DESTROY(pScreen, oldWinClip);
- }
- }
-
- /*
- * move the bits on the screen
- */
-
- destClip = NULL;
-
- for (g = 0; g <= StaticGravity; g++)
- {
- if (!gravitate[g])
- continue;
-
- GravityTranslate (x, y, oldx, oldy, dw, dh, g, &nx, &ny);
-
- oldpt.x = oldx + (x - nx);
- oldpt.y = oldy + (y - ny);
-
- /* Note that gravitate[g] is *translated* by CopyWindow */
-
- /* only copy the remaining useful bits */
-
- REGION_INTERSECT(pScreen, gravitate[g], gravitate[g], oldRegion);
-
- /* clip to not overwrite already copied areas */
-
- if (destClip) {
- REGION_TRANSLATE(pScreen, destClip, oldpt.x - x, oldpt.y - y);
- REGION_SUBTRACT(pScreen, gravitate[g], gravitate[g], destClip);
- REGION_TRANSLATE(pScreen, destClip, x - oldpt.x, y - oldpt.y);
- }
-
- /* and move those bits */
-
- if (oldpt.x != x || oldpt.y != y)
- (*pWin->drawable.pScreen->CopyWindow)(pWin, oldpt, gravitate[g]);
-
- /* remove any overwritten bits from the remaining useful bits */
-
- REGION_SUBTRACT(pScreen, oldRegion, oldRegion, gravitate[g]);
-
- /*
- * recompute exposed regions of child windows
- */
-
- for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
- {
- if (pChild->winGravity != g)
- continue;
- REGION_INTERSECT(pScreen, pRegion,
- &pChild->borderClip, gravitate[g]);
- TraverseTree (pChild, miRecomputeExposures, (pointer)pRegion);
- }
-
- /*
- * remove the successfully copied regions of the
- * window from its exposed region
- */
-
- if (g == pWin->bitGravity)
- REGION_SUBTRACT(pScreen, &pWin->valdata->after.exposed,
- &pWin->valdata->after.exposed, gravitate[g]);
- if (!destClip)
- destClip = gravitate[g];
- else
- {
- REGION_UNION(pScreen, destClip, destClip, gravitate[g]);
- REGION_DESTROY(pScreen, gravitate[g]);
- }
- }
-
- REGION_DESTROY(pScreen, oldRegion);
- REGION_DESTROY(pScreen, pRegion);
- if (destClip)
- REGION_DESTROY(pScreen, destClip);
- if (bsExposed)
- {
- RegionPtr valExposed = NullRegion;
-
- if (pWin->valdata)
- valExposed = &pWin->valdata->after.exposed;
- (*pScreen->WindowExposures) (pWin, valExposed, bsExposed);
- if (valExposed)
- REGION_EMPTY(pScreen, valExposed);
- REGION_DESTROY(pScreen, bsExposed);
- }
- if (anyMarked)
- (*pScreen->HandleExposures)(pLayerWin->parent);
-#ifdef DO_SAVE_UNDERS
- if (dosave)
- {
- (*pScreen->PostChangeSaveUnder)(pLayerWin, pFirstChange);
- }
-#endif /* DO_SAVE_UNDERS */
- if (anyMarked && pScreen->PostValidateTree)
- (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange,
- VTOther);
- }
- else if (bsExposed)
- {
- (*pScreen->WindowExposures) (pWin, NullRegion, bsExposed);
- REGION_DESTROY(pScreen, bsExposed);
- }
- if (pWin->realized)
- WindowsRestructured ();
-}
-
-WindowPtr
-miGetLayerWindow(pWin)
- WindowPtr pWin;
-{
- return pWin->firstChild;
-}
-
-#ifdef SHAPE
-/******
- *
- * miSetShape
- * The border/window shape has changed. Recompute winSize/borderSize
- * and send appropriate exposure events
- */
-
-void
-miSetShape(pWin)
- register WindowPtr pWin;
-{
- Bool WasViewable = (Bool)(pWin->viewable);
- register ScreenPtr pScreen = pWin->drawable.pScreen;
- Bool anyMarked;
- WindowPtr pParent = pWin->parent;
- RegionPtr pOldClip, bsExposed;
-#ifdef DO_SAVE_UNDERS
- Bool dosave = FALSE;
-#endif
- WindowPtr pLayerWin;
-
- if (WasViewable)
- {
- anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin,
- &pLayerWin);
- if (pWin->valdata)
- {
- if (HasBorder (pWin))
- {
- RegionPtr borderVisible;
-
- borderVisible = REGION_CREATE(pScreen, NullBox, 1);
- REGION_SUBTRACT(pScreen, borderVisible,
- &pWin->borderClip, &pWin->winSize);
- pWin->valdata->before.borderVisible = borderVisible;
- }
- pWin->valdata->before.resized = TRUE;
- }
- }
-
- SetWinSize (pWin);
- SetBorderSize (pWin);
-
- ResizeChildrenWinSize(pWin, 0, 0, 0, 0);
-
- if (WasViewable)
- {
- if (pWin->backStorage)
- {
- pOldClip = REGION_CREATE(pScreen, NullBox, 1);
- REGION_COPY(pScreen, pOldClip, &pWin->clipList);
- }
-
- anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin,
- (WindowPtr *)NULL);
-
-#ifdef DO_SAVE_UNDERS
- if (DO_SAVE_UNDERS(pWin))
- {
- dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pLayerWin);
- }
-#endif /* DO_SAVE_UNDERS */
-
- if (anyMarked)
- (*pScreen->ValidateTree)(pLayerWin->parent, NullWindow, VTOther);
- }
-
- if (pWin->backStorage &&
- ((pWin->backingStore == Always) || WasViewable))
- {
- if (!WasViewable)
- pOldClip = &pWin->clipList; /* a convenient empty region */
- bsExposed = (*pScreen->TranslateBackingStore)
- (pWin, 0, 0, pOldClip,
- pWin->drawable.x, pWin->drawable.y);
- if (WasViewable)
- REGION_DESTROY(pScreen, pOldClip);
- if (bsExposed)
- {
- RegionPtr valExposed = NullRegion;
-
- if (pWin->valdata)
- valExposed = &pWin->valdata->after.exposed;
- (*pScreen->WindowExposures) (pWin, valExposed, bsExposed);
- if (valExposed)
- REGION_EMPTY(pScreen, valExposed);
- REGION_DESTROY(pScreen, bsExposed);
- }
- }
- if (WasViewable)
- {
- if (anyMarked)
- (*pScreen->HandleExposures)(pLayerWin->parent);
-#ifdef DO_SAVE_UNDERS
- if (dosave)
- (*pScreen->PostChangeSaveUnder)(pLayerWin, pLayerWin);
-#endif /* DO_SAVE_UNDERS */
- if (anyMarked && pScreen->PostValidateTree)
- (*pScreen->PostValidateTree)(pLayerWin->parent, NullWindow, VTOther);
- }
- if (pWin->realized)
- WindowsRestructured ();
- CheckCursorConfinement(pWin);
-}
-#endif
-
-/* Keeps the same inside(!) origin */
-
-void
-miChangeBorderWidth(pWin, width)
- register WindowPtr pWin;
- unsigned int width;
-{
- WindowPtr pParent;
- int oldwidth;
- Bool anyMarked;
- register ScreenPtr pScreen;
- Bool WasViewable = (Bool)(pWin->viewable);
- Bool HadBorder;
-#ifdef DO_SAVE_UNDERS
- Bool dosave = FALSE;
-#endif
- WindowPtr pLayerWin;
-
- oldwidth = wBorderWidth (pWin);
- if (oldwidth == width)
- return;
- HadBorder = HasBorder(pWin);
- pScreen = pWin->drawable.pScreen;
- pParent = pWin->parent;
- if (WasViewable && width < oldwidth)
- anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin, &pLayerWin);
-
- pWin->borderWidth = width;
- SetBorderSize (pWin);
-
- if (WasViewable)
- {
- if (width > oldwidth)
- {
- anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin,
- &pLayerWin);
- /*
- * save the old border visible region to correctly compute
- * borderExposed.
- */
- if (pWin->valdata && HadBorder)
- {
- RegionPtr borderVisible;
- borderVisible = REGION_CREATE(pScreen, NULL, 1);
- REGION_SUBTRACT(pScreen, borderVisible,
- &pWin->borderClip, &pWin->winSize);
- pWin->valdata->before.borderVisible = borderVisible;
- }
- }
-#ifdef DO_SAVE_UNDERS
- if (DO_SAVE_UNDERS(pWin))
- {
- dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pWin->nextSib);
- }
-#endif /* DO_SAVE_UNDERS */
-
- if (anyMarked)
- {
- (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTOther);
- (*pScreen->HandleExposures)(pLayerWin->parent);
- }
-#ifdef DO_SAVE_UNDERS
- if (dosave)
- (*pScreen->PostChangeSaveUnder)(pLayerWin, pWin->nextSib);
-#endif /* DO_SAVE_UNDERS */
- if (anyMarked && pScreen->PostValidateTree)
- (*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin,
- VTOther);
- }
- if (pWin->realized)
- WindowsRestructured ();
-}
-
-void
-miMarkUnrealizedWindow(pChild, pWin, fromConfigure)
- WindowPtr pChild;
- WindowPtr pWin;
- Bool fromConfigure;
-{
- if ((pChild != pWin) || fromConfigure)
- {
- REGION_EMPTY(pChild->drawable.pScreen, &pChild->clipList);
- if (pChild->drawable.pScreen->ClipNotify)
- (* pChild->drawable.pScreen->ClipNotify)(pChild, 0, 0);
- REGION_EMPTY(pChild->drawable.pScreen, &pChild->borderClip);
- }
-}
projects / rdpsrv / blobdiff