334 lines
9.4 KiB
C
334 lines
9.4 KiB
C
/* $Xorg: cfbwindow.c,v 1.4 2001/02/09 02:04:39 xorgcvs Exp $ */
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/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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/* $XFree86: xc/programs/Xserver/cfb/cfbwindow.c,v 1.6 2003/11/10 18:21:45 tsi Exp $ */
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#include "X.h"
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#include "scrnintstr.h"
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#include "windowstr.h"
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#include "cfb.h"
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#include "mistruct.h"
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#include "regionstr.h"
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#include "cfbmskbits.h"
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Bool
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cfbCreateWindow(pWin)
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WindowPtr pWin;
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{
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cfbPrivWin *pPrivWin;
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pPrivWin = cfbGetWindowPrivate(pWin);
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pPrivWin->pRotatedBorder = NullPixmap;
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pPrivWin->pRotatedBackground = NullPixmap;
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pPrivWin->fastBackground = FALSE;
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pPrivWin->fastBorder = FALSE;
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pPrivWin->oldRotate.x = 0;
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pPrivWin->oldRotate.y = 0;
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#ifdef PIXMAP_PER_WINDOW
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/* Setup pointer to Screen pixmap */
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pWin->devPrivates[frameWindowPrivateIndex].ptr =
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(pointer) cfbGetScreenPixmap(pWin->drawable.pScreen);
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#endif
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return TRUE;
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}
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Bool
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cfbDestroyWindow(pWin)
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WindowPtr pWin;
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{
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cfbPrivWin *pPrivWin;
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pPrivWin = cfbGetWindowPrivate(pWin);
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if (pPrivWin->pRotatedBorder)
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(*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBorder);
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if (pPrivWin->pRotatedBackground)
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(*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBackground);
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return(TRUE);
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}
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/*ARGSUSED*/
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Bool
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cfbMapWindow(pWindow)
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WindowPtr pWindow;
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{
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return(TRUE);
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}
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/* (x, y) is the upper left corner of the window on the screen
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do we really need to pass this? (is it a;ready in pWin->absCorner?)
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we only do the rotation for pixmaps that are 32 bits wide (padded
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or otherwise.)
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cfbChangeWindowAttributes() has already put a copy of the pixmap
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in pPrivWin->pRotated*
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*/
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/*ARGSUSED*/
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Bool
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cfbPositionWindow(pWin, x, y)
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WindowPtr pWin;
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int x, y;
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{
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cfbPrivWin *pPrivWin;
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int setxy = 0;
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pPrivWin = cfbGetWindowPrivate(pWin);
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if (pWin->backgroundState == BackgroundPixmap && pPrivWin->fastBackground)
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{
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cfbXRotatePixmap(pPrivWin->pRotatedBackground,
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pWin->drawable.x - pPrivWin->oldRotate.x);
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cfbYRotatePixmap(pPrivWin->pRotatedBackground,
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pWin->drawable.y - pPrivWin->oldRotate.y);
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setxy = 1;
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}
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if (!pWin->borderIsPixel && pPrivWin->fastBorder)
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{
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while (pWin->backgroundState == ParentRelative)
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pWin = pWin->parent;
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cfbXRotatePixmap(pPrivWin->pRotatedBorder,
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pWin->drawable.x - pPrivWin->oldRotate.x);
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cfbYRotatePixmap(pPrivWin->pRotatedBorder,
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pWin->drawable.y - pPrivWin->oldRotate.y);
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setxy = 1;
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}
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if (setxy)
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{
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pPrivWin->oldRotate.x = pWin->drawable.x;
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pPrivWin->oldRotate.y = pWin->drawable.y;
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}
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return (TRUE);
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}
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/*ARGSUSED*/
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Bool
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cfbUnmapWindow(pWindow)
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WindowPtr pWindow;
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{
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return (TRUE);
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}
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/* UNCLEAN!
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this code calls the bitblt helper code directly.
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cfbCopyWindow copies only the parts of the destination that are
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visible in the source.
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*/
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void
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cfbCopyWindow(pWin, ptOldOrg, prgnSrc)
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WindowPtr pWin;
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DDXPointRec ptOldOrg;
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RegionPtr prgnSrc;
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{
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DDXPointPtr pptSrc;
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register DDXPointPtr ppt;
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RegionRec rgnDst;
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register BoxPtr pbox;
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register int dx, dy;
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register int i, nbox;
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WindowPtr pwinRoot;
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pwinRoot = WindowTable[pWin->drawable.pScreen->myNum];
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REGION_NULL(pWin->drawable.pScreen, &rgnDst);
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dx = ptOldOrg.x - pWin->drawable.x;
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dy = ptOldOrg.y - pWin->drawable.y;
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REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
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REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
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pbox = REGION_RECTS(&rgnDst);
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nbox = REGION_NUM_RECTS(&rgnDst);
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if(!nbox || !(pptSrc = (DDXPointPtr )ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec))))
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{
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REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
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return;
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}
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ppt = pptSrc;
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for (i = nbox; --i >= 0; ppt++, pbox++)
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{
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ppt->x = pbox->x1 + dx;
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ppt->y = pbox->y1 + dy;
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}
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cfbDoBitbltCopy((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot,
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GXcopy, &rgnDst, pptSrc, ~0L);
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DEALLOCATE_LOCAL(pptSrc);
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REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
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}
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/* swap in correct PaintWindow* routine. If we can use a fast output
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routine (i.e. the pixmap is paddable to 32 bits), also pre-rotate a copy
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of it in devPrivates[cfbWindowPrivateIndex].ptr.
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*/
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Bool
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cfbChangeWindowAttributes(pWin, mask)
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WindowPtr pWin;
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unsigned long mask;
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{
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register unsigned long index;
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register cfbPrivWin *pPrivWin;
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int width;
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WindowPtr pBgWin;
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pPrivWin = cfbGetWindowPrivate(pWin);
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/*
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* When background state changes from ParentRelative and
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* we had previously rotated the fast border pixmap to match
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* the parent relative origin, rerotate to match window
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*/
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if (mask & (CWBackPixmap | CWBackPixel) &&
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pWin->backgroundState != ParentRelative &&
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pPrivWin->fastBorder &&
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(pPrivWin->oldRotate.x != pWin->drawable.x ||
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pPrivWin->oldRotate.y != pWin->drawable.y))
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{
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cfbXRotatePixmap(pPrivWin->pRotatedBorder,
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pWin->drawable.x - pPrivWin->oldRotate.x);
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cfbYRotatePixmap(pPrivWin->pRotatedBorder,
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pWin->drawable.y - pPrivWin->oldRotate.y);
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pPrivWin->oldRotate.x = pWin->drawable.x;
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pPrivWin->oldRotate.y = pWin->drawable.y;
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}
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while(mask)
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{
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index = lowbit (mask);
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mask &= ~index;
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switch(index)
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{
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case CWBackPixmap:
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if (pWin->backgroundState == None)
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{
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pPrivWin->fastBackground = FALSE;
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}
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else if (pWin->backgroundState == ParentRelative)
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{
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pPrivWin->fastBackground = FALSE;
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/* Rotate border to match parent origin */
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if (pPrivWin->pRotatedBorder) {
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for (pBgWin = pWin->parent;
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pBgWin->backgroundState == ParentRelative;
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pBgWin = pBgWin->parent);
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cfbXRotatePixmap(pPrivWin->pRotatedBorder,
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pBgWin->drawable.x - pPrivWin->oldRotate.x);
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cfbYRotatePixmap(pPrivWin->pRotatedBorder,
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pBgWin->drawable.y - pPrivWin->oldRotate.y);
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pPrivWin->oldRotate.x = pBgWin->drawable.x;
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pPrivWin->oldRotate.y = pBgWin->drawable.y;
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}
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}
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else if (((width = (pWin->background.pixmap->drawable.width * PSZ))
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<= PGSZ) && !(width & (width - 1)))
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{
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cfbCopyRotatePixmap(pWin->background.pixmap,
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&pPrivWin->pRotatedBackground,
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pWin->drawable.x,
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pWin->drawable.y);
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if (pPrivWin->pRotatedBackground)
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{
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pPrivWin->fastBackground = TRUE;
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pPrivWin->oldRotate.x = pWin->drawable.x;
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pPrivWin->oldRotate.y = pWin->drawable.y;
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}
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else
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{
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pPrivWin->fastBackground = FALSE;
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}
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}
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else
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{
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pPrivWin->fastBackground = FALSE;
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}
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break;
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case CWBackPixel:
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pPrivWin->fastBackground = FALSE;
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break;
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case CWBorderPixmap:
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if (((width = (pWin->border.pixmap->drawable.width * PSZ)) <= PGSZ) &&
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!(width & (width - 1)))
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{
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for (pBgWin = pWin;
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pBgWin->backgroundState == ParentRelative;
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pBgWin = pBgWin->parent);
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cfbCopyRotatePixmap(pWin->border.pixmap,
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&pPrivWin->pRotatedBorder,
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pBgWin->drawable.x,
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pBgWin->drawable.y);
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if (pPrivWin->pRotatedBorder)
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{
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pPrivWin->fastBorder = TRUE;
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pPrivWin->oldRotate.x = pBgWin->drawable.x;
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pPrivWin->oldRotate.y = pBgWin->drawable.y;
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}
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else
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{
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pPrivWin->fastBorder = FALSE;
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}
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}
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else
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{
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pPrivWin->fastBorder = FALSE;
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}
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break;
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case CWBorderPixel:
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pPrivWin->fastBorder = FALSE;
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break;
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}
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}
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return (TRUE);
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}
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