/nx-3.5.0/nx-X11/programs/Xserver/afb/afbwindow.c
C | 318 lines | 199 code | 32 blank | 87 comment | 32 complexity | bcc532d61493cf74d9a3792883e89a66 MD5 | raw file
Possible License(s): BSD-3-Clause, GPL-2.0, LGPL-2.0
- /* $XFree86: xc/programs/Xserver/afb/afbwindow.c,v 3.0 1996/08/18 01:45:58 dawes Exp $ */
- /* $XConsortium: afbwindow.c,v 5.14 94/04/17 20:28:36 dpw Exp $ */
- /* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
- /***********************************************************
- Copyright (c) 1987 X Consortium
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
- 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
- X CONSORTIUM 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 X Consortium 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 X Consortium.
- 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 "scrnintstr.h"
- #include "windowstr.h"
- #include "afb.h"
- #include "mistruct.h"
- #include "regionstr.h"
- #include "maskbits.h"
- Bool
- afbCreateWindow(pWin)
- register WindowPtr pWin;
- {
- register afbPrivWin *pPrivWin;
- pPrivWin = (afbPrivWin *)(pWin->devPrivates[afbWindowPrivateIndex].ptr);
- pPrivWin->pRotatedBorder = NullPixmap;
- pPrivWin->pRotatedBackground = NullPixmap;
- pPrivWin->fastBackground = FALSE;
- pPrivWin->fastBorder = FALSE;
- #ifdef PIXMAP_PER_WINDOW
- pWin->devPrivates[frameWindowPrivateIndex].ptr =
- pWin->pDrawable.pScreen->devPrivates[afbScreenPrivateIndex].ptr;
- #endif
- return (TRUE);
- }
- /* This always returns true, because Xfree can't fail. It might be possible
- * on some devices for Destroy to fail */
- Bool
- afbDestroyWindow(pWin)
- WindowPtr pWin;
- {
- register afbPrivWin *pPrivWin;
- pPrivWin = (afbPrivWin *)(pWin->devPrivates[afbWindowPrivateIndex].ptr);
- if (pPrivWin->pRotatedBorder)
- (*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBorder);
- if (pPrivWin->pRotatedBackground)
- (*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBackground);
- return (TRUE);
- }
- /*ARGSUSED*/
- Bool
- afbMapWindow(pWindow)
- WindowPtr pWindow;
- {
- return (TRUE);
- }
- /* (x, y) is the upper left corner of the window on the screen
- do we really need to pass this? (is it a;ready in pWin->absCorner?)
- we only do the rotation for pixmaps that are 32 bits wide (padded
- or otherwise.)
- afbChangeWindowAttributes() has already put a copy of the pixmap
- in pPrivWin->pRotated*
- */
- /*ARGSUSED*/
- Bool
- afbPositionWindow(pWin, x, y)
- WindowPtr pWin;
- int x, y;
- {
- register afbPrivWin *pPrivWin;
- int reset = 0;
- pPrivWin = (afbPrivWin *)(pWin->devPrivates[afbWindowPrivateIndex].ptr);
- if (pWin->backgroundState == BackgroundPixmap && pPrivWin->fastBackground) {
- afbXRotatePixmap(pPrivWin->pRotatedBackground,
- pWin->drawable.x - pPrivWin->oldRotate.x);
- afbYRotatePixmap(pPrivWin->pRotatedBackground,
- pWin->drawable.y - pPrivWin->oldRotate.y);
- reset = 1;
- }
- if (!pWin->borderIsPixel && pPrivWin->fastBorder) {
- while (pWin->backgroundState == ParentRelative)
- pWin = pWin->parent;
- afbXRotatePixmap(pPrivWin->pRotatedBorder,
- pWin->drawable.x - pPrivWin->oldRotate.x);
- afbYRotatePixmap(pPrivWin->pRotatedBorder,
- pWin->drawable.y - pPrivWin->oldRotate.y);
- reset = 1;
- }
- if (reset) {
- pPrivWin->oldRotate.x = pWin->drawable.x;
- pPrivWin->oldRotate.y = pWin->drawable.y;
- }
- /* This is the "wrong" fix to the right problem, but it doesn't really
- * cost very much. When the window is moved, we need to invalidate any
- * RotatedPixmap that exists in any GC currently validated against this
- * window.
- */
- pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER;
- /* Again, we have no failure modes indicated by any of the routines
- * we've called, so we have to assume it worked */
- return (TRUE);
- }
- /*ARGSUSED*/
- Bool
- afbUnmapWindow(pWindow)
- WindowPtr pWindow;
- {
- return (TRUE);
- }
- /* UNCLEAN!
- this code calls the bitblt helper code directly.
- afbCopyWindow copies only the parts of the destination that are
- visible in the source.
- */
- void
- afbCopyWindow(pWin, ptOldOrg, prgnSrc)
- WindowPtr pWin;
- DDXPointRec ptOldOrg;
- RegionPtr prgnSrc;
- {
- DDXPointPtr pptSrc;
- register DDXPointPtr ppt;
- RegionPtr prgnDst;
- register BoxPtr pbox;
- register int dx, dy;
- register int i, nbox;
- WindowPtr pwinRoot;
- pwinRoot = WindowTable[pWin->drawable.pScreen->myNum];
- prgnDst = REGION_CREATE(pWin->drawable.pScreen, NULL, 1);
- dx = ptOldOrg.x - pWin->drawable.x;
- dy = ptOldOrg.y - pWin->drawable.y;
- REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
- REGION_INTERSECT(pWin->drawable.pScreen, prgnDst, &pWin->borderClip,
- prgnSrc);
- pbox = REGION_RECTS(prgnDst);
- nbox = REGION_NUM_RECTS(prgnDst);
- if(!(pptSrc = (DDXPointPtr )ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec))))
- return;
- ppt = pptSrc;
- for (i=nbox; --i >= 0; ppt++, pbox++) {
- ppt->x = pbox->x1 + dx;
- ppt->y = pbox->y1 + dy;
- }
- afbDoBitblt((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot, GXcopy, prgnDst,
- pptSrc, ~0);
- DEALLOCATE_LOCAL(pptSrc);
- REGION_DESTROY(pWin->drawable.pScreen, prgnDst);
- }
- /* swap in correct PaintWindow* routine. If we can use a fast output
- routine (i.e. the pixmap is paddable to 32 bits), also pre-rotate a copy
- of it in devPrivate.
- */
- Bool
- afbChangeWindowAttributes(pWin, mask)
- register WindowPtr pWin;
- register unsigned long mask;
- {
- register unsigned long index;
- register afbPrivWin *pPrivWin;
- WindowPtr pBgWin;
- pPrivWin = (afbPrivWin *)(pWin->devPrivates[afbWindowPrivateIndex].ptr);
- /*
- * When background state changes from ParentRelative and
- * we had previously rotated the fast border pixmap to match
- * the parent relative origin, rerotate to match window
- */
- if (mask & (CWBackPixmap | CWBackPixel) &&
- pWin->backgroundState != ParentRelative && pPrivWin->fastBorder &&
- (pPrivWin->oldRotate.x != pWin->drawable.x ||
- pPrivWin->oldRotate.y != pWin->drawable.y)) {
- afbXRotatePixmap(pPrivWin->pRotatedBorder,
- pWin->drawable.x - pPrivWin->oldRotate.x);
- afbYRotatePixmap(pPrivWin->pRotatedBorder,
- pWin->drawable.y - pPrivWin->oldRotate.y);
- pPrivWin->oldRotate.x = pWin->drawable.x;
- pPrivWin->oldRotate.y = pWin->drawable.y;
- }
- while(mask) {
- index = lowbit (mask);
- mask &= ~index;
- switch(index) {
- case CWBackPixmap:
- if (pWin->backgroundState == None)
- pPrivWin->fastBackground = FALSE;
- else if (pWin->backgroundState == ParentRelative) {
- pPrivWin->fastBackground = FALSE;
- /* Rotate border to match parent origin */
- if (pPrivWin->pRotatedBorder) {
- for (pBgWin = pWin->parent;
- pBgWin->backgroundState == ParentRelative;
- pBgWin = pBgWin->parent);
- afbXRotatePixmap(pPrivWin->pRotatedBorder,
- pBgWin->drawable.x - pPrivWin->oldRotate.x);
- afbYRotatePixmap(pPrivWin->pRotatedBorder,
- pBgWin->drawable.y - pPrivWin->oldRotate.y);
- pPrivWin->oldRotate.x = pBgWin->drawable.x;
- pPrivWin->oldRotate.y = pBgWin->drawable.y;
- }
- } else if ((pWin->background.pixmap->drawable.width <= PPW) &&
- !(pWin->background.pixmap->drawable.width &
- (pWin->background.pixmap->drawable.width - 1))) {
- afbCopyRotatePixmap(pWin->background.pixmap,
- &pPrivWin->pRotatedBackground,
- pWin->drawable.x, pWin->drawable.y);
- if (pPrivWin->pRotatedBackground) {
- pPrivWin->fastBackground = TRUE;
- pPrivWin->oldRotate.x = pWin->drawable.x;
- pPrivWin->oldRotate.y = pWin->drawable.y;
- } else
- pPrivWin->fastBackground = FALSE;
- } else
- pPrivWin->fastBackground = FALSE;
- break;
- case CWBackPixel:
- pPrivWin->fastBackground = FALSE;
- break;
- case CWBorderPixmap:
- if ((pWin->border.pixmap->drawable.width <= PPW) &&
- !(pWin->border.pixmap->drawable.width &
- (pWin->border.pixmap->drawable.width - 1))) {
- for (pBgWin = pWin;
- pBgWin->backgroundState == ParentRelative;
- pBgWin = pBgWin->parent);
- afbCopyRotatePixmap(pWin->border.pixmap,
- &pPrivWin->pRotatedBorder,
- pBgWin->drawable.x, pBgWin->drawable.y);
- if (pPrivWin->pRotatedBorder) {
- pPrivWin->fastBorder = TRUE;
- pPrivWin->oldRotate.x = pBgWin->drawable.x;
- pPrivWin->oldRotate.y = pBgWin->drawable.y;
- } else
- pPrivWin->fastBorder = FALSE;
- } else
- pPrivWin->fastBorder = FALSE;
- break;
- case CWBorderPixel:
- pPrivWin->fastBorder = FALSE;
- break;
- }
- }
- /* Again, we have no failure modes indicated by any of the routines
- * we've called, so we have to assume it worked */
- return (TRUE);
- }