342 lines
10 KiB
C
342 lines
10 KiB
C
/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
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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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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <stdlib.h>
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#include <X11/X.h>
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#include "scrnintstr.h"
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#include "windowstr.h"
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#include "mfb.h"
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#include "mistruct.h"
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#include "regionstr.h"
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#include "maskbits.h"
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Bool
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mfbCreateWindow(pWin)
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register WindowPtr pWin;
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{
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register mfbPrivWin *pPrivWin;
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pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr);
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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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return (TRUE);
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}
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/* This always returns true, because Xfree can't fail. It might be possible
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* on some devices for Destroy to fail */
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Bool
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mfbDestroyWindow(pWin)
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WindowPtr pWin;
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{
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register mfbPrivWin *pPrivWin;
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pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr);
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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 mfbMapWindow(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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mfbChangeWindowAttributes() 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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mfbPositionWindow(pWin, x, y)
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register WindowPtr pWin;
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int x, y;
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{
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register mfbPrivWin *pPrivWin;
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int reset = 0;
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pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr);
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if (pWin->backgroundState == BackgroundPixmap && pPrivWin->fastBackground)
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{
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mfbXRotatePixmap(pPrivWin->pRotatedBackground,
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pWin->drawable.x - pPrivWin->oldRotate.x);
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mfbYRotatePixmap(pPrivWin->pRotatedBackground,
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pWin->drawable.y - pPrivWin->oldRotate.y);
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reset = 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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mfbXRotatePixmap(pPrivWin->pRotatedBorder,
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pWin->drawable.x - pPrivWin->oldRotate.x);
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mfbYRotatePixmap(pPrivWin->pRotatedBorder,
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pWin->drawable.y - pPrivWin->oldRotate.y);
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reset = 1;
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}
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if (reset)
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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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/* This is the "wrong" fix to the right problem, but it doesn't really
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* cost very much. When the window is moved, we need to invalidate any
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* RotatedPixmap that exists in any GC currently validated against this
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* window.
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*/
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pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
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/* Again, we have no failure modes indicated by any of the routines
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* we've called, so we have to assume it worked */
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return (TRUE);
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}
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/*ARGSUSED*/
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Bool
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mfbUnmapWindow(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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mfbCopyWindow 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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mfbCopyWindow(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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RegionPtr prgnDst;
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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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prgnDst = REGION_CREATE(pWin->drawable.pScreen, NULL, 1);
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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, prgnDst, &pWin->borderClip,
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prgnSrc);
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pbox = REGION_RECTS(prgnDst);
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nbox = REGION_NUM_RECTS(prgnDst);
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if(!(pptSrc = (DDXPointPtr )ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec))))
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return;
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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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mfbDoBitblt((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot,
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GXcopy, prgnDst, pptSrc);
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DEALLOCATE_LOCAL(pptSrc);
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REGION_DESTROY(pWin->drawable.pScreen, prgnDst);
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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 devPrivate.
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*/
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Bool
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mfbChangeWindowAttributes(pWin, mask)
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register WindowPtr pWin;
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register unsigned long mask;
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{
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register unsigned long index;
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register mfbPrivWin *pPrivWin;
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WindowPtr pBgWin;
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pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr);
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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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mfbXRotatePixmap(pPrivWin->pRotatedBorder,
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pWin->drawable.x - pPrivWin->oldRotate.x);
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mfbYRotatePixmap(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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mfbXRotatePixmap(pPrivWin->pRotatedBorder,
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pBgWin->drawable.x - pPrivWin->oldRotate.x);
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mfbYRotatePixmap(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 ((pWin->background.pixmap->drawable.width <= PPW) &&
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!(pWin->background.pixmap->drawable.width &
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(pWin->background.pixmap->drawable.width - 1)))
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{
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mfbCopyRotatePixmap(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 ((pWin->border.pixmap->drawable.width <= PPW) &&
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!(pWin->border.pixmap->drawable.width &
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(pWin->border.pixmap->drawable.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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mfbCopyRotatePixmap(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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/* Again, we have no failure modes indicated by any of the routines
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* we've called, so we have to assume it worked */
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return (TRUE);
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}
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