git.sesse.net Git - rdpsrv/blob - Xserver/programs/Xserver/cfb/cfbwindow.c

   1 /* $XConsortium: cfbwindow.c,v 5.22 94/04/17 20:29:07 dpw Exp $ */
   2 /***********************************************************
   3
   4 Copyright (c) 1987  X Consortium
   5
   6 Permission is hereby granted, free of charge, to any person obtaining a copy
   7 of this software and associated documentation files (the "Software"), to deal
   8 in the Software without restriction, including without limitation the rights
   9 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 copies of the Software, and to permit persons to whom the Software is
  11 furnished to do so, subject to the following conditions:
  12
  13 The above copyright notice and this permission notice shall be included in
  14 all copies or substantial portions of the Software.
  15
  16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  19 X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  20 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22
  23 Except as contained in this notice, the name of the X Consortium shall not be
  24 used in advertising or otherwise to promote the sale, use or other dealings
  25 in this Software without prior written authorization from the X Consortium.
  26
  27
  28 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
  29
  30                         All Rights Reserved
  31
  32 Permission to use, copy, modify, and distribute this software and its
  33 documentation for any purpose and without fee is hereby granted,
  34 provided that the above copyright notice appear in all copies and that
  35 both that copyright notice and this permission notice appear in
  36 supporting documentation, and that the name of Digital not be
  37 used in advertising or publicity pertaining to distribution of the
  38 software without specific, written prior permission.
  39
  40 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  41 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  42 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  43 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  44 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  45 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  46 SOFTWARE.
  47
  48 ******************************************************************/
  49
  50 #include "X.h"
  51 #include "scrnintstr.h"
  52 #include "windowstr.h"
  53 #include "cfb.h"
  54 #include "mistruct.h"
  55 #include "regionstr.h"
  56 #include "cfbmskbits.h"
  57
  58 extern WindowPtr *WindowTable;
  59
  60 Bool
  61 cfbCreateWindow(pWin)
  62     WindowPtr pWin;
  63 {
  64     cfbPrivWin *pPrivWin;
  65
  66     pPrivWin = cfbGetWindowPrivate(pWin);
  67     pPrivWin->pRotatedBorder = NullPixmap;
  68     pPrivWin->pRotatedBackground = NullPixmap;
  69     pPrivWin->fastBackground = FALSE;
  70     pPrivWin->fastBorder = FALSE;
  71     pPrivWin->oldRotate.x = 0;
  72     pPrivWin->oldRotate.y = 0;
  73
  74 #ifdef PIXMAP_PER_WINDOW
  75     /* Setup pointer to Screen pixmap */
  76     pWin->devPrivates[frameWindowPrivateIndex].ptr =
  77         (pointer) cfbGetScreenPixmap(pWin->drawable.pScreen);
  78 #endif
  79
  80     return TRUE;
  81 }
  82
  83 Bool
  84 cfbDestroyWindow(pWin)
  85     WindowPtr pWin;
  86 {
  87     cfbPrivWin *pPrivWin;
  88
  89     pPrivWin = cfbGetWindowPrivate(pWin);
  90
  91     if (pPrivWin->pRotatedBorder)
  92         (*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBorder);
  93     if (pPrivWin->pRotatedBackground)
  94         (*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBackground);
  95     return(TRUE);
  96 }
  97
  98 /*ARGSUSED*/
  99 Bool
 100 cfbMapWindow(pWindow)
 101     WindowPtr pWindow;
 102 {
 103     return(TRUE);
 104 }
 105
 106 /* (x, y) is the upper left corner of the window on the screen
 107    do we really need to pass this?  (is it a;ready in pWin->absCorner?)
 108    we only do the rotation for pixmaps that are 32 bits wide (padded
 109 or otherwise.)
 110    cfbChangeWindowAttributes() has already put a copy of the pixmap
 111 in pPrivWin->pRotated*
 112 */
 113 /*ARGSUSED*/
 114 Bool
 115 cfbPositionWindow(pWin, x, y)
 116     WindowPtr pWin;
 117     int x, y;
 118 {
 119     cfbPrivWin *pPrivWin;
 120     int setxy = 0;
 121
 122     pPrivWin = cfbGetWindowPrivate(pWin);
 123     if (pWin->backgroundState == BackgroundPixmap && pPrivWin->fastBackground)
 124     {
 125         cfbXRotatePixmap(pPrivWin->pRotatedBackground,
 126                       pWin->drawable.x - pPrivWin->oldRotate.x);
 127         cfbYRotatePixmap(pPrivWin->pRotatedBackground,
 128                       pWin->drawable.y - pPrivWin->oldRotate.y);
 129         setxy = 1;
 130     }
 131
 132     if (!pWin->borderIsPixel && pPrivWin->fastBorder)
 133     {
 134         while (pWin->backgroundState == ParentRelative)
 135             pWin = pWin->parent;
 136         cfbXRotatePixmap(pPrivWin->pRotatedBorder,
 137                       pWin->drawable.x - pPrivWin->oldRotate.x);
 138         cfbYRotatePixmap(pPrivWin->pRotatedBorder,
 139                       pWin->drawable.y - pPrivWin->oldRotate.y);
 140         setxy = 1;
 141     }
 142     if (setxy)
 143     {
 144         pPrivWin->oldRotate.x = pWin->drawable.x;
 145         pPrivWin->oldRotate.y = pWin->drawable.y;
 146     }
 147     return (TRUE);
 148 }
 149
 150 /*ARGSUSED*/
 151 Bool
 152 cfbUnmapWindow(pWindow)
 153     WindowPtr pWindow;
 154 {
 155     return (TRUE);
 156 }
 157
 158 /* UNCLEAN!
 159    this code calls the bitblt helper code directly.
 160
 161    cfbCopyWindow copies only the parts of the destination that are
 162 visible in the source.
 163 */
 164
 165
 166 void
 167 cfbCopyWindow(pWin, ptOldOrg, prgnSrc)
 168     WindowPtr pWin;
 169     DDXPointRec ptOldOrg;
 170     RegionPtr prgnSrc;
 171 {
 172     DDXPointPtr pptSrc;
 173     register DDXPointPtr ppt;
 174     RegionRec rgnDst;
 175     register BoxPtr pbox;
 176     register int dx, dy;
 177     register int i, nbox;
 178     WindowPtr pwinRoot;
 179
 180     pwinRoot = WindowTable[pWin->drawable.pScreen->myNum];
 181
 182     REGION_INIT(pWin->drawable.pScreen, &rgnDst, NullBox, 0);
 183
 184     dx = ptOldOrg.x - pWin->drawable.x;
 185     dy = ptOldOrg.y - pWin->drawable.y;
 186     REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
 187     REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
 188
 189     pbox = REGION_RECTS(&rgnDst);
 190     nbox = REGION_NUM_RECTS(&rgnDst);
 191     if(!nbox || !(pptSrc = (DDXPointPtr )ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec))))
 192     {
 193         REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
 194         return;
 195     }
 196     ppt = pptSrc;
 197
 198     for (i = nbox; --i >= 0; ppt++, pbox++)
 199     {
 200         ppt->x = pbox->x1 + dx;
 201         ppt->y = pbox->y1 + dy;
 202     }
 203
 204     cfbDoBitbltCopy((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot,
 205                 GXcopy, &rgnDst, pptSrc, ~0L);
 206     DEALLOCATE_LOCAL(pptSrc);
 207     REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
 208 }
 209
 210
 211
 212 /* swap in correct PaintWindow* routine.  If we can use a fast output
 213 routine (i.e. the pixmap is paddable to 32 bits), also pre-rotate a copy
 214 of it in devPrivates[cfbWindowPrivateIndex].ptr.
 215 */
 216 Bool
 217 cfbChangeWindowAttributes(pWin, mask)
 218     WindowPtr pWin;
 219     unsigned long mask;
 220 {
 221     register unsigned long index;
 222     register cfbPrivWin *pPrivWin;
 223     int width;
 224     WindowPtr   pBgWin;
 225
 226     pPrivWin = cfbGetWindowPrivate(pWin);
 227
 228     /*
 229      * When background state changes from ParentRelative and
 230      * we had previously rotated the fast border pixmap to match
 231      * the parent relative origin, rerotate to match window
 232      */
 233     if (mask & (CWBackPixmap | CWBackPixel) &&
 234         pWin->backgroundState != ParentRelative &&
 235         pPrivWin->fastBorder &&
 236         (pPrivWin->oldRotate.x != pWin->drawable.x ||
 237          pPrivWin->oldRotate.y != pWin->drawable.y))
 238     {
 239         cfbXRotatePixmap(pPrivWin->pRotatedBorder,
 240                       pWin->drawable.x - pPrivWin->oldRotate.x);
 241         cfbYRotatePixmap(pPrivWin->pRotatedBorder,
 242                       pWin->drawable.y - pPrivWin->oldRotate.y);
 243         pPrivWin->oldRotate.x = pWin->drawable.x;
 244         pPrivWin->oldRotate.y = pWin->drawable.y;
 245     }
 246     while(mask)
 247     {
 248         index = lowbit (mask);
 249         mask &= ~index;
 250         switch(index)
 251         {
 252         case CWBackPixmap:
 253             if (pWin->backgroundState == None)
 254             {
 255                 pPrivWin->fastBackground = FALSE;
 256             }
 257             else if (pWin->backgroundState == ParentRelative)
 258             {
 259                 pPrivWin->fastBackground = FALSE;
 260                 /* Rotate border to match parent origin */
 261                 if (pPrivWin->pRotatedBorder) {
 262                     for (pBgWin = pWin->parent;
 263                          pBgWin->backgroundState == ParentRelative;
 264                          pBgWin = pBgWin->parent);
 265                     cfbXRotatePixmap(pPrivWin->pRotatedBorder,
 266                                   pBgWin->drawable.x - pPrivWin->oldRotate.x);
 267                     cfbYRotatePixmap(pPrivWin->pRotatedBorder,
 268                                   pBgWin->drawable.y - pPrivWin->oldRotate.y);
 269                     pPrivWin->oldRotate.x = pBgWin->drawable.x;
 270                     pPrivWin->oldRotate.y = pBgWin->drawable.y;
 271                 }
 272             }
 273             else if (((width = (pWin->background.pixmap->drawable.width * PSZ))
 274                       <= PGSZ) && !(width & (width - 1)))
 275             {
 276                 cfbCopyRotatePixmap(pWin->background.pixmap,
 277                                     &pPrivWin->pRotatedBackground,
 278                                     pWin->drawable.x,
 279                                     pWin->drawable.y);
 280                 if (pPrivWin->pRotatedBackground)
 281                 {
 282                     pPrivWin->fastBackground = TRUE;
 283                     pPrivWin->oldRotate.x = pWin->drawable.x;
 284                     pPrivWin->oldRotate.y = pWin->drawable.y;
 285                 }
 286                 else
 287                 {
 288                     pPrivWin->fastBackground = FALSE;
 289                 }
 290             }
 291             else
 292             {
 293                 pPrivWin->fastBackground = FALSE;
 294             }
 295             break;
 296
 297         case CWBackPixel:
 298             pPrivWin->fastBackground = FALSE;
 299             break;
 300
 301         case CWBorderPixmap:
 302             if (((width = (pWin->border.pixmap->drawable.width * PSZ)) <= PGSZ) &&
 303                 !(width & (width - 1)))
 304             {
 305                 for (pBgWin = pWin;
 306                      pBgWin->backgroundState == ParentRelative;
 307                      pBgWin = pBgWin->parent);
 308                 cfbCopyRotatePixmap(pWin->border.pixmap,
 309                                     &pPrivWin->pRotatedBorder,
 310                                     pBgWin->drawable.x,
 311                                     pBgWin->drawable.y);
 312                 if (pPrivWin->pRotatedBorder)
 313                 {
 314                     pPrivWin->fastBorder = TRUE;
 315                     pPrivWin->oldRotate.x = pBgWin->drawable.x;
 316                     pPrivWin->oldRotate.y = pBgWin->drawable.y;
 317                 }
 318                 else
 319                 {
 320                     pPrivWin->fastBorder = FALSE;
 321                 }
 322             }
 323             else
 324             {
 325                 pPrivWin->fastBorder = FALSE;
 326             }
 327             break;
 328          case CWBorderPixel:
 329             pPrivWin->fastBorder = FALSE;
 330             break;
 331         }
 332     }
 333     return (TRUE);
 334 }
 335