diff options
Diffstat (limited to 'xorg-server/mi/miwindow.c')
| -rw-r--r-- | xorg-server/mi/miwindow.c | 1672 |
1 files changed, 836 insertions, 836 deletions
diff --git a/xorg-server/mi/miwindow.c b/xorg-server/mi/miwindow.c index c2333938e..479085787 100644 --- a/xorg-server/mi/miwindow.c +++ b/xorg-server/mi/miwindow.c @@ -1,836 +1,836 @@ - -/*********************************************************** - -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. - -******************************************************************/ -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include "regionstr.h" -#include "region.h" -#include "mi.h" -#include "windowstr.h" -#include "scrnintstr.h" -#include "pixmapstr.h" -#include "mivalidate.h" - -void -miClearToBackground(WindowPtr pWin, - int x, int y, int w, int 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); - - REGION_INTERSECT(pScreen, ®, ®, &pWin->clipList); - if (generateExposures) - (*pScreen->WindowExposures)(pWin, ®, pBSReg); - else if (pWin->backgroundState != None) - miPaintWindow(pWin, ®, PW_BACKGROUND); - REGION_UNINIT(pScreen, ®); - if (pBSReg) - REGION_DESTROY(pScreen, pBSReg); -} - -void -miMarkWindow(WindowPtr pWin) -{ - 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(WindowPtr pWin, WindowPtr pFirst, WindowPtr *ppLayerWin) -{ - BoxPtr box; - 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(WindowPtr pWin) -{ - WindowPtr pChild; - 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)) - miPaintWindow(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 = 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(WindowPtr pWin, int x, int y, WindowPtr pNextSib, VTKind kind) -{ - WindowPtr pParent; - Bool WasViewable = (Bool)(pWin->viewable); - short bw; - RegionPtr oldRegion = NULL; - DDXPointRec oldpt; - Bool anyMarked = FALSE; - ScreenPtr pScreen; - WindowPtr windowToValidate; - 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, NULL); - else - anyMarked |= (*pScreen->MarkOverlappedWindows) - (pWin, pLayerWin, NULL); - - - 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); - } - 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 ( - WindowPtr pWin, - pointer value) /* must conform to VisitWindowProcPtr */ -{ - ScreenPtr pScreen; - RegionPtr pValid = (RegionPtr)value; - - if (pWin->valdata) - { -#ifdef COMPOSITE - /* - * Redirected windows are not affected by parent window - * gravity manipulations, so don't recompute their - * exposed areas here. - */ - if (pWin->redirectDraw != RedirectDrawNone) - return WT_DONTWALKCHILDREN; -#endif - 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(WindowPtr pWin, - int x, int y, - unsigned int w, unsigned int 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; - ScreenPtr pScreen; - WindowPtr pFirstChange; - WindowPtr pChild; - RegionPtr gravitate[StaticGravity + 1]; - 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 */ - Bool shrunk = FALSE; /* shrunk in an inner dimension */ - Bool moved = FALSE; /* window position changed */ - 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 (pLayerWin == pWin) - anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pFirstChange, - NULL); - else - anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pLayerWin, - NULL); - - if (pWin->valdata) - { - pWin->valdata->before.resized = TRUE; - pWin->valdata->before.borderVisible = borderVisible; - } - - - 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 (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 -#ifdef COMPOSITE - || pWin->redirectDraw -#endif - ) - { - (*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 (anyMarked) - (*pScreen->HandleExposures)(pLayerWin->parent); - if (anyMarked && pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange, - VTOther); - } - if (pWin->realized) - WindowsRestructured (); -} - -WindowPtr -miGetLayerWindow(WindowPtr pWin) -{ - return pWin->firstChild; -} - -/****** - * - * miSetShape - * The border/window shape has changed. Recompute winSize/borderSize - * and send appropriate exposure events - */ - -void -miSetShape(WindowPtr pWin) -{ - Bool WasViewable = (Bool)(pWin->viewable); - ScreenPtr pScreen = pWin->drawable.pScreen; - Bool anyMarked = FALSE; - 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) - { - anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin, - NULL); - - - if (anyMarked) - (*pScreen->ValidateTree)(pLayerWin->parent, NullWindow, VTOther); - } - - if (WasViewable) - { - if (anyMarked) - (*pScreen->HandleExposures)(pLayerWin->parent); - if (anyMarked && pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(pLayerWin->parent, NullWindow, VTOther); - } - if (pWin->realized) - WindowsRestructured (); - CheckCursorConfinement(pWin); -} - -/* Keeps the same inside(!) origin */ - -void -miChangeBorderWidth(WindowPtr pWin, unsigned int width) -{ - int oldwidth; - Bool anyMarked = FALSE; - ScreenPtr pScreen; - Bool WasViewable = (Bool)(pWin->viewable); - Bool HadBorder; - WindowPtr pLayerWin; - - oldwidth = wBorderWidth (pWin); - if (oldwidth == width) - return; - HadBorder = HasBorder(pWin); - pScreen = pWin->drawable.pScreen; - 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; - } - } - - if (anyMarked) - { - (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTOther); - (*pScreen->HandleExposures)(pLayerWin->parent); - } - if (anyMarked && pScreen->PostValidateTree) - (*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin, - VTOther); - } - if (pWin->realized) - WindowsRestructured (); -} - -void -miMarkUnrealizedWindow(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); - } -} +
+/***********************************************************
+
+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.
+
+******************************************************************/
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include "regionstr.h"
+#include "region.h"
+#include "mi.h"
+#include "windowstr.h"
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "mivalidate.h"
+
+void
+miClearToBackground(WindowPtr pWin,
+ int x, int y, int w, int 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);
+
+ REGION_INTERSECT(pScreen, ®, ®, &pWin->clipList);
+ if (generateExposures)
+ (*pScreen->WindowExposures)(pWin, ®, pBSReg);
+ else if (pWin->backgroundState != None)
+ miPaintWindow(pWin, ®, PW_BACKGROUND);
+ REGION_UNINIT(pScreen, ®);
+ if (pBSReg)
+ REGION_DESTROY(pScreen, pBSReg);
+}
+
+void
+miMarkWindow(WindowPtr pWin)
+{
+ 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(WindowPtr pWin, WindowPtr pFirst, WindowPtr *ppLayerWin)
+{
+ BoxPtr box;
+ 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(WindowPtr pWin)
+{
+ WindowPtr pChild;
+ 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))
+ miPaintWindow(pChild, &val->after.borderExposed, PW_BORDER);
+ REGION_UNINIT(pScreen, &val->after.borderExposed);
+ (*WindowExposures)(pChild, &val->after.exposed, NullRegion);
+ REGION_UNINIT(pScreen, &val->after.exposed);
+ free(val);
+ pChild->valdata = 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(WindowPtr pWin, int x, int y, WindowPtr pNextSib, VTKind kind)
+{
+ WindowPtr pParent;
+ Bool WasViewable = (Bool)(pWin->viewable);
+ short bw;
+ RegionPtr oldRegion = NULL;
+ DDXPointRec oldpt;
+ Bool anyMarked = FALSE;
+ ScreenPtr pScreen;
+ WindowPtr windowToValidate;
+ 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, NULL);
+ else
+ anyMarked |= (*pScreen->MarkOverlappedWindows)
+ (pWin, pLayerWin, NULL);
+
+
+ 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);
+ }
+ 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 (
+ WindowPtr pWin,
+ pointer value) /* must conform to VisitWindowProcPtr */
+{
+ ScreenPtr pScreen;
+ RegionPtr pValid = (RegionPtr)value;
+
+ if (pWin->valdata)
+ {
+#ifdef COMPOSITE
+ /*
+ * Redirected windows are not affected by parent window
+ * gravity manipulations, so don't recompute their
+ * exposed areas here.
+ */
+ if (pWin->redirectDraw != RedirectDrawNone)
+ return WT_DONTWALKCHILDREN;
+#endif
+ 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(WindowPtr pWin,
+ int x, int y,
+ unsigned int w, unsigned int 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;
+ ScreenPtr pScreen;
+ WindowPtr pFirstChange;
+ WindowPtr pChild;
+ RegionPtr gravitate[StaticGravity + 1];
+ 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 */
+ Bool shrunk = FALSE; /* shrunk in an inner dimension */
+ Bool moved = FALSE; /* window position changed */
+ 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 (pLayerWin == pWin)
+ anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pFirstChange,
+ NULL);
+ else
+ anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pLayerWin,
+ NULL);
+
+ if (pWin->valdata)
+ {
+ pWin->valdata->before.resized = TRUE;
+ pWin->valdata->before.borderVisible = borderVisible;
+ }
+
+
+ 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 (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
+#ifdef COMPOSITE
+ || pWin->redirectDraw
+#endif
+ )
+ {
+ (*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 (anyMarked)
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pFirstChange,
+ VTOther);
+ }
+ if (pWin->realized)
+ WindowsRestructured ();
+}
+
+WindowPtr
+miGetLayerWindow(WindowPtr pWin)
+{
+ return pWin->firstChild;
+}
+
+/******
+ *
+ * miSetShape
+ * The border/window shape has changed. Recompute winSize/borderSize
+ * and send appropriate exposure events
+ */
+
+void
+miSetShape(WindowPtr pWin)
+{
+ Bool WasViewable = (Bool)(pWin->viewable);
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ Bool anyMarked = FALSE;
+ 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)
+ {
+ anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin, pWin,
+ NULL);
+
+
+ if (anyMarked)
+ (*pScreen->ValidateTree)(pLayerWin->parent, NullWindow, VTOther);
+ }
+
+ if (WasViewable)
+ {
+ if (anyMarked)
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, NullWindow, VTOther);
+ }
+ if (pWin->realized)
+ WindowsRestructured ();
+ CheckCursorConfinement(pWin);
+}
+
+/* Keeps the same inside(!) origin */
+
+void
+miChangeBorderWidth(WindowPtr pWin, unsigned int width)
+{
+ int oldwidth;
+ Bool anyMarked = FALSE;
+ ScreenPtr pScreen;
+ Bool WasViewable = (Bool)(pWin->viewable);
+ Bool HadBorder;
+ WindowPtr pLayerWin;
+
+ oldwidth = wBorderWidth (pWin);
+ if (oldwidth == width)
+ return;
+ HadBorder = HasBorder(pWin);
+ pScreen = pWin->drawable.pScreen;
+ 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;
+ }
+ }
+
+ if (anyMarked)
+ {
+ (*pScreen->ValidateTree)(pLayerWin->parent, pLayerWin, VTOther);
+ (*pScreen->HandleExposures)(pLayerWin->parent);
+ }
+ if (anyMarked && pScreen->PostValidateTree)
+ (*pScreen->PostValidateTree)(pLayerWin->parent, pLayerWin,
+ VTOther);
+ }
+ if (pWin->realized)
+ WindowsRestructured ();
+}
+
+void
+miMarkUnrealizedWindow(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);
+ }
+}
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