diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/NXmiwindow.c.XF86.original')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/NXmiwindow.c.XF86.original | 1176 |
1 files changed, 0 insertions, 1176 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXmiwindow.c.XF86.original b/nx-X11/programs/Xserver/hw/nxagent/NXmiwindow.c.XF86.original deleted file mode 100644 index fbced41c6..000000000 --- a/nx-X11/programs/Xserver/hw/nxagent/NXmiwindow.c.XF86.original +++ /dev/null @@ -1,1176 +0,0 @@ -/* $XFree86: xc/programs/Xserver/mi/miwindow.c,v 1.7 2001/12/14 20:00:28 dawes Exp $ */ -/*********************************************************** - -Copyright 1987, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - -Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the name of Digital not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ -/* $Xorg: miwindow.c,v 1.4 2001/02/09 02:05:22 xorgcvs 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( - 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; - MarkWindowProcPtr MarkWindow = pWin->drawable.pScreen->MarkWindow; - ScreenPtr pScreen; - - 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) - { - if (REGION_BROKEN (pScreen, &pChild->winSize)) - SetWinSize (pChild); - if (REGION_BROKEN (pScreen, &pChild->borderSize)) - SetBorderSize (pChild); - (* 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) - { - if (REGION_BROKEN (pScreen, &pChild->winSize)) - SetWinSize (pChild); - if (REGION_BROKEN (pScreen, &pChild->borderSize)) - SetBorderSize (pChild); - if (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; - WindowExposuresProcPtr WindowExposures; - - pScreen = pWin->drawable.pScreen; - - 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 = NULL; - DDXPointRec oldpt; - Bool anyMarked = FALSE; - 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 ( - 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 = NULL; - Bool anyMarked = FALSE; - 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 = NULL; - RegionPtr destClip; /* portions of destination already written */ - RegionPtr oldWinClip = NULL; /* 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 = FALSE; - RegionPtr pOldClip = NULL, 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 = FALSE; - 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); - } -} - -void -miSegregateChildren(WindowPtr pWin, RegionPtr pReg, int depth) -{ - ScreenPtr pScreen; - WindowPtr pChild; - - pScreen = pWin->drawable.pScreen; - - for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) - { - if (pChild->drawable.depth == depth) - REGION_UNION(pScreen, pReg, pReg, &pChild->borderClip); - - if (pChild->firstChild) - miSegregateChildren(pChild, pReg, depth); - } -} |