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Diffstat (limited to 'xorg-server/mi/miwindow.c')
-rw-r--r--xorg-server/mi/miwindow.c1584
1 files changed, 760 insertions, 824 deletions
diff --git a/xorg-server/mi/miwindow.c b/xorg-server/mi/miwindow.c
index 55a86dd13..8dd99dbf0 100644
--- a/xorg-server/mi/miwindow.c
+++ b/xorg-server/mi/miwindow.c
@@ -1,824 +1,760 @@
-
-/***********************************************************
-
-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 <X11/extensions/shapeconst.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;
- 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;
-
- RegionInit(&reg, &box, 1);
-
- RegionIntersect(&reg, &reg, &pWin->clipList);
- if (generateExposures)
- (*pWin->drawable.pScreen->WindowExposures)(pWin, &reg, NULL);
- else if (pWin->backgroundState != None)
- miPaintWindow(pWin, &reg, PW_BACKGROUND);
- RegionUninit(&reg);
-}
-
-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;
-
- /* 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 (RegionBroken(&pChild->winSize))
- SetWinSize (pChild);
- if (RegionBroken(&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 = RegionExtents(&pWin->borderSize);
- pLast = pChild->parent->lastChild;
- while (1)
- {
- if (pChild->viewable)
- {
- if (RegionBroken(&pChild->winSize))
- SetWinSize (pChild);
- if (RegionBroken(&pChild->borderSize))
- SetBorderSize (pChild);
- if (RegionContainsRect(&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;
- WindowExposuresProcPtr WindowExposures;
-
- pChild = pWin;
- WindowExposures = pChild->drawable.pScreen->WindowExposures;
- while (1)
- {
- if ( (val = pChild->valdata) )
- {
- if (RegionNotEmpty(&val->after.borderExposed))
- miPaintWindow(pChild, &val->after.borderExposed, PW_BORDER);
- RegionUninit(&val->after.borderExposed);
- (*WindowExposures)(pChild, &val->after.exposed, NullRegion);
- RegionUninit(&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 = RegionCreate(NullBox, 1);
- RegionCopy(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);
- RegionDestroy(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 */
-{
- 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
- /*
- * compute exposed regions of this window
- */
- RegionSubtract(&pWin->valdata->after.exposed,
- &pWin->clipList, pValid);
- /*
- * compute exposed regions of the border
- */
- RegionSubtract(&pWin->valdata->after.borderExposed,
- &pWin->borderClip, &pWin->winSize);
- RegionSubtract(&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 = RegionCreate(NullBox, 1);
- RegionCopy(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] = RegionCreate(NullBox, 1);
- RegionUnion(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 = RegionCreate(NullBox, 1);
- RegionCopy(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 = RegionCreate(NullBox, 1);
- /* for tiled borders, we punt and draw the whole thing */
- if (pWin->borderIsPixel || !moved)
- {
- if (shrunk || moved)
- RegionSubtract(borderVisible,
- &pWin->borderClip,
- &pWin->winSize);
- else
- RegionCopy(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 = RegionCreate(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
- */
- RegionCopy(&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)
- {
- RegionTranslate(&pWin->winSize, dx, dy);
- offx += dx;
- offy += dy;
- }
- RegionIntersect(gravitate[g], gravitate[g],
- &pWin->winSize);
- }
- /* get winSize back where it belongs */
- if (offx || offy)
- RegionTranslate(&pWin->winSize, -offx, -offy);
- }
- /*
- * add screen bits to the appropriate bucket
- */
-
- if (oldWinClip)
- {
- /*
- * clip to new clipList
- */
- RegionCopy(pRegion, oldWinClip);
- RegionTranslate(pRegion, nx - oldx, ny - oldy);
- RegionIntersect(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])
- RegionSubtract(oldWinClip, oldWinClip,
- gravitate[g]);
- }
- RegionTranslate(oldWinClip, oldx - nx, oldy - ny);
- g = pWin->bitGravity;
- if (!gravitate[g])
- gravitate[g] = oldWinClip;
- else
- {
- RegionUnion(gravitate[g], gravitate[g], oldWinClip);
- RegionDestroy(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 */
-
- RegionIntersect(gravitate[g], gravitate[g], oldRegion);
-
- /* clip to not overwrite already copied areas */
-
- if (destClip) {
- RegionTranslate(destClip, oldpt.x - x, oldpt.y - y);
- RegionSubtract(gravitate[g], gravitate[g], destClip);
- RegionTranslate(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 */
-
- RegionSubtract(oldRegion, oldRegion, gravitate[g]);
-
- /*
- * recompute exposed regions of child windows
- */
-
- for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
- {
- if (pChild->winGravity != g)
- continue;
- RegionIntersect(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)
- RegionSubtract(&pWin->valdata->after.exposed,
- &pWin->valdata->after.exposed, gravitate[g]);
- if (!destClip)
- destClip = gravitate[g];
- else
- {
- RegionUnion(destClip, destClip, gravitate[g]);
- RegionDestroy(gravitate[g]);
- }
- }
-
- RegionDestroy(oldRegion);
- RegionDestroy(pRegion);
- if (destClip)
- RegionDestroy(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, int kind)
-{
- Bool WasViewable = (Bool)(pWin->viewable);
- ScreenPtr pScreen = pWin->drawable.pScreen;
- Bool anyMarked = FALSE;
- WindowPtr pLayerWin;
-
- if (kind != ShapeInput) {
- if (WasViewable)
- {
- anyMarked = (*pScreen->MarkOverlappedWindows)(pWin, pWin,
- &pLayerWin);
- if (pWin->valdata)
- {
- if (HasBorder (pWin))
- {
- RegionPtr borderVisible;
-
- borderVisible = RegionCreate(NullBox, 1);
- RegionSubtract(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 = RegionCreate(NULL, 1);
- RegionSubtract(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)
- {
- RegionEmpty(&pChild->clipList);
- if (pChild->drawable.pScreen->ClipNotify)
- (* pChild->drawable.pScreen->ClipNotify)(pChild, 0, 0);
- RegionEmpty(&pChild->borderClip);
- }
-}
-
-void
-miSegregateChildren(WindowPtr pWin, RegionPtr pReg, int depth)
-{
- WindowPtr pChild;
-
- for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
- {
- if (pChild->drawable.depth == depth)
- RegionUnion(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 <X11/extensions/shapeconst.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;
+ 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;
+
+ RegionInit(&reg, &box, 1);
+
+ RegionIntersect(&reg, &reg, &pWin->clipList);
+ if (generateExposures)
+ (*pWin->drawable.pScreen->WindowExposures) (pWin, &reg, NULL);
+ else if (pWin->backgroundState != None)
+ miPaintWindow(pWin, &reg, PW_BACKGROUND);
+ RegionUninit(&reg);
+}
+
+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;
+
+ /* 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 (RegionBroken(&pChild->winSize))
+ SetWinSize(pChild);
+ if (RegionBroken(&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 = RegionExtents(&pWin->borderSize);
+ pLast = pChild->parent->lastChild;
+ while (1) {
+ if (pChild->viewable) {
+ if (RegionBroken(&pChild->winSize))
+ SetWinSize(pChild);
+ if (RegionBroken(&pChild->borderSize))
+ SetBorderSize(pChild);
+ if (RegionContainsRect(&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;
+ WindowExposuresProcPtr WindowExposures;
+
+ pChild = pWin;
+ WindowExposures = pChild->drawable.pScreen->WindowExposures;
+ while (1) {
+ if ((val = pChild->valdata)) {
+ if (RegionNotEmpty(&val->after.borderExposed))
+ miPaintWindow(pChild, &val->after.borderExposed, PW_BORDER);
+ RegionUninit(&val->after.borderExposed);
+ (*WindowExposures) (pChild, &val->after.exposed, NullRegion);
+ RegionUninit(&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 = RegionCreate(NullBox, 1);
+ RegionCopy(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);
+ RegionDestroy(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 */
+ 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
+ /*
+ * compute exposed regions of this window
+ */
+ RegionSubtract(&pWin->valdata->after.exposed, &pWin->clipList, pValid);
+ /*
+ * compute exposed regions of the border
+ */
+ RegionSubtract(&pWin->valdata->after.borderExposed,
+ &pWin->borderClip, &pWin->winSize);
+ RegionSubtract(&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 = RegionCreate(NullBox, 1);
+ RegionCopy(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] = RegionCreate(NullBox, 1);
+ RegionUnion(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 = RegionCreate(NullBox, 1);
+ RegionCopy(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 = RegionCreate(NullBox, 1);
+ /* for tiled borders, we punt and draw the whole thing */
+ if (pWin->borderIsPixel || !moved) {
+ if (shrunk || moved)
+ RegionSubtract(borderVisible,
+ &pWin->borderClip, &pWin->winSize);
+ else
+ RegionCopy(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 = RegionCreate(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
+ */
+ RegionCopy(&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) {
+ RegionTranslate(&pWin->winSize, dx, dy);
+ offx += dx;
+ offy += dy;
+ }
+ RegionIntersect(gravitate[g], gravitate[g], &pWin->winSize);
+ }
+ /* get winSize back where it belongs */
+ if (offx || offy)
+ RegionTranslate(&pWin->winSize, -offx, -offy);
+ }
+ /*
+ * add screen bits to the appropriate bucket
+ */
+
+ if (oldWinClip) {
+ /*
+ * clip to new clipList
+ */
+ RegionCopy(pRegion, oldWinClip);
+ RegionTranslate(pRegion, nx - oldx, ny - oldy);
+ RegionIntersect(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])
+ RegionSubtract(oldWinClip, oldWinClip, gravitate[g]);
+ }
+ RegionTranslate(oldWinClip, oldx - nx, oldy - ny);
+ g = pWin->bitGravity;
+ if (!gravitate[g])
+ gravitate[g] = oldWinClip;
+ else {
+ RegionUnion(gravitate[g], gravitate[g], oldWinClip);
+ RegionDestroy(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 */
+
+ RegionIntersect(gravitate[g], gravitate[g], oldRegion);
+
+ /* clip to not overwrite already copied areas */
+
+ if (destClip) {
+ RegionTranslate(destClip, oldpt.x - x, oldpt.y - y);
+ RegionSubtract(gravitate[g], gravitate[g], destClip);
+ RegionTranslate(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 */
+
+ RegionSubtract(oldRegion, oldRegion, gravitate[g]);
+
+ /*
+ * recompute exposed regions of child windows
+ */
+
+ for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) {
+ if (pChild->winGravity != g)
+ continue;
+ RegionIntersect(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)
+ RegionSubtract(&pWin->valdata->after.exposed,
+ &pWin->valdata->after.exposed, gravitate[g]);
+ if (!destClip)
+ destClip = gravitate[g];
+ else {
+ RegionUnion(destClip, destClip, gravitate[g]);
+ RegionDestroy(gravitate[g]);
+ }
+ }
+
+ RegionDestroy(oldRegion);
+ RegionDestroy(pRegion);
+ if (destClip)
+ RegionDestroy(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, int kind)
+{
+ Bool WasViewable = (Bool) (pWin->viewable);
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ Bool anyMarked = FALSE;
+ WindowPtr pLayerWin;
+
+ if (kind != ShapeInput) {
+ if (WasViewable) {
+ anyMarked = (*pScreen->MarkOverlappedWindows) (pWin, pWin,
+ &pLayerWin);
+ if (pWin->valdata) {
+ if (HasBorder(pWin)) {
+ RegionPtr borderVisible;
+
+ borderVisible = RegionCreate(NullBox, 1);
+ RegionSubtract(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 = RegionCreate(NULL, 1);
+ RegionSubtract(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) {
+ RegionEmpty(&pChild->clipList);
+ if (pChild->drawable.pScreen->ClipNotify)
+ (*pChild->drawable.pScreen->ClipNotify) (pChild, 0, 0);
+ RegionEmpty(&pChild->borderClip);
+ }
+}
+
+void
+miSegregateChildren(WindowPtr pWin, RegionPtr pReg, int depth)
+{
+ WindowPtr pChild;
+
+ for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) {
+ if (pChild->drawable.depth == depth)
+ RegionUnion(pReg, pReg, &pChild->borderClip);
+
+ if (pChild->firstChild)
+ miSegregateChildren(pChild, pReg, depth);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 04:35:00 +0000