| 1 | /* |
| 2 | |
| 3 | Copyright (c) 2006, Red Hat, Inc. |
| 4 | |
| 5 | Permission is hereby granted, free of charge, to any person obtaining a |
| 6 | copy of this software and associated documentation files (the "Software"), |
| 7 | to deal in the Software without restriction, including without limitation |
| 8 | the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 9 | and/or sell copies of the Software, and to permit persons to whom the |
| 10 | Software is furnished to do so, subject to the following conditions: |
| 11 | |
| 12 | The above copyright notice and this permission notice (including the next |
| 13 | paragraph) shall be included in all copies or substantial portions of the |
| 14 | 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 |
| 19 | THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 21 | FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 22 | DEALINGS IN THE SOFTWARE. |
| 23 | |
| 24 | Copyright 1987, 1998 The Open Group |
| 25 | |
| 26 | Permission to use, copy, modify, distribute, and sell this software and its |
| 27 | documentation for any purpose is hereby granted without fee, provided that |
| 28 | the above copyright notice appear in all copies and that both that |
| 29 | copyright notice and this permission notice appear in supporting |
| 30 | documentation. |
| 31 | |
| 32 | The above copyright notice and this permission notice shall be included |
| 33 | in all copies or substantial portions of the Software. |
| 34 | |
| 35 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 36 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 37 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 38 | IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 39 | OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 40 | ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 41 | OTHER DEALINGS IN THE SOFTWARE. |
| 42 | |
| 43 | Except as contained in this notice, the name of The Open Group shall |
| 44 | not be used in advertising or otherwise to promote the sale, use or |
| 45 | other dealings in this Software without prior written authorization |
| 46 | from The Open Group. |
| 47 | |
| 48 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts, |
| 49 | |
| 50 | All Rights Reserved |
| 51 | |
| 52 | Permission to use, copy, modify, and distribute this software and its |
| 53 | documentation for any purpose and without fee is hereby granted, |
| 54 | provided that the above copyright notice appear in all copies and that |
| 55 | both that copyright notice and this permission notice appear in |
| 56 | supporting documentation, and that the name of Digital not be |
| 57 | used in advertising or publicity pertaining to distribution of the |
| 58 | software without specific, written prior permission. |
| 59 | |
| 60 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
| 61 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
| 62 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
| 63 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
| 64 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
| 65 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
| 66 | SOFTWARE. |
| 67 | |
| 68 | */ |
| 69 | |
| 70 | /* The panoramix components contained the following notice */ |
| 71 | /***************************************************************** |
| 72 | |
| 73 | Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. |
| 74 | |
| 75 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| 76 | of this software and associated documentation files (the "Software"), to deal |
| 77 | in the Software without restriction, including without limitation the rights |
| 78 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 79 | copies of the Software. |
| 80 | |
| 81 | The above copyright notice and this permission notice shall be included in |
| 82 | all copies or substantial portions of the Software. |
| 83 | |
| 84 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 85 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 86 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 87 | DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, |
| 88 | BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, |
| 89 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR |
| 90 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 91 | |
| 92 | Except as contained in this notice, the name of Digital Equipment Corporation |
| 93 | shall not be used in advertising or otherwise to promote the sale, use or other |
| 94 | dealings in this Software without prior written authorization from Digital |
| 95 | Equipment Corporation. |
| 96 | |
| 97 | ******************************************************************/ |
| 98 | |
| 99 | #ifdef HAVE_DIX_CONFIG_H |
| 100 | #include <dix-config.h> |
| 101 | #endif |
| 102 | |
| 103 | #include "misc.h" |
| 104 | #include "scrnintstr.h" |
| 105 | #include "os.h" |
| 106 | #include "regionstr.h" |
| 107 | #include "validate.h" |
| 108 | #include "windowstr.h" |
| 109 | #include "propertyst.h" |
| 110 | #include "input.h" |
| 111 | #include "inputstr.h" |
| 112 | #include "resource.h" |
| 113 | #include "colormapst.h" |
| 114 | #include "cursorstr.h" |
| 115 | #include "dixstruct.h" |
| 116 | #include "gcstruct.h" |
| 117 | #include "servermd.h" |
| 118 | #include "mivalidate.h" |
| 119 | #ifdef PANORAMIX |
| 120 | #include "panoramiX.h" |
| 121 | #include "panoramiXsrv.h" |
| 122 | #endif |
| 123 | #include "dixevents.h" |
| 124 | #include "globals.h" |
| 125 | #include "mi.h" /* miPaintWindow */ |
| 126 | #ifdef COMPOSITE |
| 127 | #include "compint.h" |
| 128 | #endif |
| 129 | #include "selection.h" |
| 130 | |
| 131 | #include "privates.h" |
| 132 | #include "xace.h" |
| 133 | #include "exevents.h" |
| 134 | |
| 135 | #include <X11/Xatom.h> /* must come after server includes */ |
| 136 | |
| 137 | /****** |
| 138 | * Window stuff for server |
| 139 | * |
| 140 | * CreateRootWindow, CreateWindow, ChangeWindowAttributes, |
| 141 | * GetWindowAttributes, DeleteWindow, DestroySubWindows, |
| 142 | * HandleSaveSet, ReparentWindow, MapWindow, MapSubWindows, |
| 143 | * UnmapWindow, UnmapSubWindows, ConfigureWindow, CirculateWindow, |
| 144 | * ChangeWindowDeviceCursor |
| 145 | ******/ |
| 146 | |
| 147 | Bool bgNoneRoot = FALSE; |
| 148 | |
| 149 | static unsigned char _back_lsb[4] = { 0x88, 0x22, 0x44, 0x11 }; |
| 150 | static unsigned char _back_msb[4] = { 0x11, 0x44, 0x22, 0x88 }; |
| 151 | |
| 152 | static Bool WindowParentHasDeviceCursor(WindowPtr pWin, |
| 153 | DeviceIntPtr pDev, CursorPtr pCurs); |
| 154 | static Bool |
| 155 | |
| 156 | WindowSeekDeviceCursor(WindowPtr pWin, |
| 157 | DeviceIntPtr pDev, |
| 158 | DevCursNodePtr * pNode, DevCursNodePtr * pPrev); |
| 159 | |
| 160 | int screenIsSaved = SCREEN_SAVER_OFF; |
| 161 | |
| 162 | static Bool TileScreenSaver(ScreenPtr pScreen, int kind); |
| 163 | |
| 164 | #define INPUTONLY_LEGAL_MASK (CWWinGravity | CWEventMask | \ |
| 165 | CWDontPropagate | CWOverrideRedirect | CWCursor ) |
| 166 | |
| 167 | #define BOXES_OVERLAP(b1, b2) \ |
| 168 | (!( ((b1)->x2 <= (b2)->x1) || \ |
| 169 | ( ((b1)->x1 >= (b2)->x2)) || \ |
| 170 | ( ((b1)->y2 <= (b2)->y1)) || \ |
| 171 | ( ((b1)->y1 >= (b2)->y2)) ) ) |
| 172 | |
| 173 | #define RedirectSend(pWin) \ |
| 174 | ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureRedirectMask) |
| 175 | |
| 176 | #define SubSend(pWin) \ |
| 177 | ((pWin->eventMask|wOtherEventMasks(pWin)) & SubstructureNotifyMask) |
| 178 | |
| 179 | #define StrSend(pWin) \ |
| 180 | ((pWin->eventMask|wOtherEventMasks(pWin)) & StructureNotifyMask) |
| 181 | |
| 182 | #define SubStrSend(pWin,pParent) (StrSend(pWin) || SubSend(pParent)) |
| 183 | |
| 184 | #ifdef COMPOSITE |
| 185 | static const char *overlay_win_name = "<composite overlay>"; |
| 186 | #endif |
| 187 | |
| 188 | static const char * |
| 189 | get_window_name(WindowPtr pWin) |
| 190 | { |
| 191 | #define WINDOW_NAME_BUF_LEN 512 |
| 192 | PropertyPtr prop; |
| 193 | static char buf[WINDOW_NAME_BUF_LEN]; |
| 194 | int len; |
| 195 | |
| 196 | #ifdef COMPOSITE |
| 197 | CompScreenPtr comp_screen = GetCompScreen(pWin->drawable.pScreen); |
| 198 | |
| 199 | if (comp_screen && pWin == comp_screen->pOverlayWin) |
| 200 | return overlay_win_name; |
| 201 | #endif |
| 202 | |
| 203 | for (prop = wUserProps(pWin); prop; prop = prop->next) { |
| 204 | if (prop->propertyName == XA_WM_NAME && prop->type == XA_STRING && |
| 205 | prop->data) { |
| 206 | len = min(prop->size, WINDOW_NAME_BUF_LEN - 1); |
| 207 | memcpy(buf, prop->data, len); |
| 208 | buf[len] = '\0'; |
| 209 | return buf; |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | return NULL; |
| 214 | #undef WINDOW_NAME_BUF_LEN |
| 215 | } |
| 216 | |
| 217 | static void |
| 218 | log_window_info(WindowPtr pWin, int depth) |
| 219 | { |
| 220 | int i; |
| 221 | const char *win_name, *visibility; |
| 222 | BoxPtr rects; |
| 223 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 224 | |
| 225 | for (i = 0; i < (depth << 2); i++) |
| 226 | ErrorF(" "); |
| 227 | |
| 228 | win_name = get_window_name(pWin); |
| 229 | ErrorF("win 0x%.8x (%s), [%d, %d] to [%d, %d]", |
| 230 | pWin->drawable.id, |
| 231 | win_name ? win_name : "no name", |
| 232 | pWin->drawable.x, pWin->drawable.y, |
| 233 | pWin->drawable.x + pWin->drawable.width, |
| 234 | pWin->drawable.y + pWin->drawable.height); |
| 235 | |
| 236 | if (pWin->overrideRedirect) |
| 237 | ErrorF(" (override redirect)"); |
| 238 | #ifdef COMPOSITE |
| 239 | if (pWin->redirectDraw) |
| 240 | ErrorF(" (%s compositing: pixmap %x)", |
| 241 | (pWin->redirectDraw == RedirectDrawAutomatic) ? |
| 242 | "automatic" : "manual", |
| 243 | pScreen->GetWindowPixmap(pWin)->drawable.id); |
| 244 | #endif |
| 245 | |
| 246 | switch (pWin->visibility) { |
| 247 | case VisibilityUnobscured: |
| 248 | visibility = "unobscured"; |
| 249 | break; |
| 250 | case VisibilityPartiallyObscured: |
| 251 | visibility = "partially obscured"; |
| 252 | break; |
| 253 | case VisibilityFullyObscured: |
| 254 | visibility = "fully obscured"; |
| 255 | break; |
| 256 | case VisibilityNotViewable: |
| 257 | visibility = "unviewable"; |
| 258 | break; |
| 259 | } |
| 260 | ErrorF(", %s", visibility); |
| 261 | |
| 262 | if (REGION_NOTEMPTY(pScreen, &pWin->clipList)) { |
| 263 | ErrorF(", clip list:"); |
| 264 | rects = REGION_RECTS(&pWin->clipList); |
| 265 | for (i = 0; i < REGION_NUM_RECTS(&pWin->clipList); i++) |
| 266 | ErrorF(" [(%d, %d) to (%d, %d)]", |
| 267 | rects[i].x1, rects[i].y1, rects[i].x2, rects[i].y2); |
| 268 | ErrorF("; extents [(%d, %d) to (%d, %d)]", |
| 269 | pWin->clipList.extents.x1, pWin->clipList.extents.y1, |
| 270 | pWin->clipList.extents.x2, pWin->clipList.extents.y2); |
| 271 | } |
| 272 | |
| 273 | ErrorF("\n"); |
| 274 | } |
| 275 | |
| 276 | void |
| 277 | PrintWindowTree(void) |
| 278 | { |
| 279 | int scrnum, depth; |
| 280 | ScreenPtr pScreen; |
| 281 | WindowPtr pWin; |
| 282 | |
| 283 | for (scrnum = 0; scrnum < screenInfo.numScreens; scrnum++) { |
| 284 | pScreen = screenInfo.screens[scrnum]; |
| 285 | ErrorF("[dix] Dumping windows for screen %d (pixmap %x):\n", scrnum, |
| 286 | pScreen->GetScreenPixmap(pScreen)->drawable.id); |
| 287 | pWin = pScreen->root; |
| 288 | depth = 1; |
| 289 | while (pWin) { |
| 290 | log_window_info(pWin, depth); |
| 291 | if (pWin->firstChild) { |
| 292 | pWin = pWin->firstChild; |
| 293 | depth++; |
| 294 | continue; |
| 295 | } |
| 296 | while (pWin && !pWin->nextSib) { |
| 297 | pWin = pWin->parent; |
| 298 | depth--; |
| 299 | } |
| 300 | if (!pWin) |
| 301 | break; |
| 302 | pWin = pWin->nextSib; |
| 303 | } |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | int |
| 308 | TraverseTree(WindowPtr pWin, VisitWindowProcPtr func, pointer data) |
| 309 | { |
| 310 | int result; |
| 311 | WindowPtr pChild; |
| 312 | |
| 313 | if (!(pChild = pWin)) |
| 314 | return WT_NOMATCH; |
| 315 | while (1) { |
| 316 | result = (*func) (pChild, data); |
| 317 | if (result == WT_STOPWALKING) |
| 318 | return WT_STOPWALKING; |
| 319 | if ((result == WT_WALKCHILDREN) && pChild->firstChild) { |
| 320 | pChild = pChild->firstChild; |
| 321 | continue; |
| 322 | } |
| 323 | while (!pChild->nextSib && (pChild != pWin)) |
| 324 | pChild = pChild->parent; |
| 325 | if (pChild == pWin) |
| 326 | break; |
| 327 | pChild = pChild->nextSib; |
| 328 | } |
| 329 | return WT_NOMATCH; |
| 330 | } |
| 331 | |
| 332 | /***** |
| 333 | * WalkTree |
| 334 | * Walk the window tree, for SCREEN, preforming FUNC(pWin, data) on |
| 335 | * each window. If FUNC returns WT_WALKCHILDREN, traverse the children, |
| 336 | * if it returns WT_DONTWALKCHILDREN, dont. If it returns WT_STOPWALKING |
| 337 | * exit WalkTree. Does depth-first traverse. |
| 338 | *****/ |
| 339 | |
| 340 | int |
| 341 | WalkTree(ScreenPtr pScreen, VisitWindowProcPtr func, pointer data) |
| 342 | { |
| 343 | return (TraverseTree(pScreen->root, func, data)); |
| 344 | } |
| 345 | |
| 346 | /* hack for forcing backing store on all windows */ |
| 347 | int defaultBackingStore = NotUseful; |
| 348 | |
| 349 | /* hack to force no backing store */ |
| 350 | Bool disableBackingStore = FALSE; |
| 351 | Bool enableBackingStore = FALSE; |
| 352 | |
| 353 | static void |
| 354 | SetWindowToDefaults(WindowPtr pWin) |
| 355 | { |
| 356 | pWin->prevSib = NullWindow; |
| 357 | pWin->firstChild = NullWindow; |
| 358 | pWin->lastChild = NullWindow; |
| 359 | |
| 360 | pWin->valdata = (ValidatePtr) NULL; |
| 361 | pWin->optional = (WindowOptPtr) NULL; |
| 362 | pWin->cursorIsNone = TRUE; |
| 363 | |
| 364 | pWin->backingStore = NotUseful; |
| 365 | pWin->DIXsaveUnder = FALSE; |
| 366 | pWin->backStorage = (pointer) NULL; |
| 367 | |
| 368 | pWin->mapped = FALSE; /* off */ |
| 369 | pWin->realized = FALSE; /* off */ |
| 370 | pWin->viewable = FALSE; |
| 371 | pWin->visibility = VisibilityNotViewable; |
| 372 | pWin->overrideRedirect = FALSE; |
| 373 | pWin->saveUnder = FALSE; |
| 374 | |
| 375 | pWin->bitGravity = ForgetGravity; |
| 376 | pWin->winGravity = NorthWestGravity; |
| 377 | |
| 378 | pWin->eventMask = 0; |
| 379 | pWin->deliverableEvents = 0; |
| 380 | pWin->dontPropagate = 0; |
| 381 | pWin->forcedBS = FALSE; |
| 382 | pWin->redirectDraw = RedirectDrawNone; |
| 383 | pWin->forcedBG = FALSE; |
| 384 | |
| 385 | #ifdef ROOTLESS |
| 386 | pWin->rootlessUnhittable = FALSE; |
| 387 | #endif |
| 388 | |
| 389 | #ifdef COMPOSITE |
| 390 | pWin->damagedDescendants = FALSE; |
| 391 | #endif |
| 392 | } |
| 393 | |
| 394 | static void |
| 395 | MakeRootTile(WindowPtr pWin) |
| 396 | { |
| 397 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 398 | GCPtr pGC; |
| 399 | unsigned char back[128]; |
| 400 | int len = BitmapBytePad(sizeof(long)); |
| 401 | unsigned char *from, *to; |
| 402 | int i, j; |
| 403 | |
| 404 | pWin->background.pixmap = (*pScreen->CreatePixmap) (pScreen, 4, 4, |
| 405 | pScreen->rootDepth, 0); |
| 406 | |
| 407 | pWin->backgroundState = BackgroundPixmap; |
| 408 | pGC = GetScratchGC(pScreen->rootDepth, pScreen); |
| 409 | if (!pWin->background.pixmap || !pGC) |
| 410 | FatalError("could not create root tile"); |
| 411 | |
| 412 | { |
| 413 | ChangeGCVal attributes[2]; |
| 414 | |
| 415 | attributes[0].val = pScreen->whitePixel; |
| 416 | attributes[1].val = pScreen->blackPixel; |
| 417 | |
| 418 | (void) ChangeGC(NullClient, pGC, GCForeground | GCBackground, |
| 419 | attributes); |
| 420 | } |
| 421 | |
| 422 | ValidateGC((DrawablePtr) pWin->background.pixmap, pGC); |
| 423 | |
| 424 | from = (screenInfo.bitmapBitOrder == LSBFirst) ? _back_lsb : _back_msb; |
| 425 | to = back; |
| 426 | |
| 427 | for (i = 4; i > 0; i--, from++) |
| 428 | for (j = len; j > 0; j--) |
| 429 | *to++ = *from; |
| 430 | |
| 431 | (*pGC->ops->PutImage) ((DrawablePtr) pWin->background.pixmap, pGC, 1, |
| 432 | 0, 0, len, 4, 0, XYBitmap, (char *) back); |
| 433 | |
| 434 | FreeScratchGC(pGC); |
| 435 | |
| 436 | } |
| 437 | |
| 438 | /***** |
| 439 | * CreateRootWindow |
| 440 | * Makes a window at initialization time for specified screen |
| 441 | *****/ |
| 442 | |
| 443 | Bool |
| 444 | CreateRootWindow(ScreenPtr pScreen) |
| 445 | { |
| 446 | WindowPtr pWin; |
| 447 | BoxRec box; |
| 448 | PixmapFormatRec *format; |
| 449 | |
| 450 | pWin = dixAllocateScreenObjectWithPrivates(pScreen, WindowRec, PRIVATE_WINDOW); |
| 451 | if (!pWin) |
| 452 | return FALSE; |
| 453 | |
| 454 | pScreen->screensaver.pWindow = NULL; |
| 455 | pScreen->screensaver.wid = FakeClientID(0); |
| 456 | pScreen->screensaver.ExternalScreenSaver = NULL; |
| 457 | screenIsSaved = SCREEN_SAVER_OFF; |
| 458 | |
| 459 | pScreen->root = pWin; |
| 460 | |
| 461 | pWin->drawable.pScreen = pScreen; |
| 462 | pWin->drawable.type = DRAWABLE_WINDOW; |
| 463 | |
| 464 | pWin->drawable.depth = pScreen->rootDepth; |
| 465 | for (format = screenInfo.formats; |
| 466 | format->depth != pScreen->rootDepth; format++); |
| 467 | pWin->drawable.bitsPerPixel = format->bitsPerPixel; |
| 468 | |
| 469 | pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER; |
| 470 | |
| 471 | pWin->parent = NullWindow; |
| 472 | SetWindowToDefaults(pWin); |
| 473 | |
| 474 | pWin->optional = malloc(sizeof(WindowOptRec)); |
| 475 | if (!pWin->optional) |
| 476 | return FALSE; |
| 477 | |
| 478 | pWin->optional->dontPropagateMask = 0; |
| 479 | pWin->optional->otherEventMasks = 0; |
| 480 | pWin->optional->otherClients = NULL; |
| 481 | pWin->optional->passiveGrabs = NULL; |
| 482 | pWin->optional->userProps = NULL; |
| 483 | pWin->optional->backingBitPlanes = ~0L; |
| 484 | pWin->optional->backingPixel = 0; |
| 485 | pWin->optional->boundingShape = NULL; |
| 486 | pWin->optional->clipShape = NULL; |
| 487 | pWin->optional->inputShape = NULL; |
| 488 | pWin->optional->inputMasks = NULL; |
| 489 | pWin->optional->deviceCursors = NULL; |
| 490 | pWin->optional->colormap = pScreen->defColormap; |
| 491 | pWin->optional->visual = pScreen->rootVisual; |
| 492 | |
| 493 | pWin->nextSib = NullWindow; |
| 494 | |
| 495 | pWin->drawable.id = FakeClientID(0); |
| 496 | |
| 497 | pWin->origin.x = pWin->origin.y = 0; |
| 498 | pWin->drawable.height = pScreen->height; |
| 499 | pWin->drawable.width = pScreen->width; |
| 500 | pWin->drawable.x = pWin->drawable.y = 0; |
| 501 | |
| 502 | box.x1 = 0; |
| 503 | box.y1 = 0; |
| 504 | box.x2 = pScreen->width; |
| 505 | box.y2 = pScreen->height; |
| 506 | RegionInit(&pWin->clipList, &box, 1); |
| 507 | RegionInit(&pWin->winSize, &box, 1); |
| 508 | RegionInit(&pWin->borderSize, &box, 1); |
| 509 | RegionInit(&pWin->borderClip, &box, 1); |
| 510 | |
| 511 | pWin->drawable.class = InputOutput; |
| 512 | pWin->optional->visual = pScreen->rootVisual; |
| 513 | |
| 514 | pWin->backgroundState = BackgroundPixel; |
| 515 | pWin->background.pixel = pScreen->whitePixel; |
| 516 | |
| 517 | pWin->borderIsPixel = TRUE; |
| 518 | pWin->border.pixel = pScreen->blackPixel; |
| 519 | pWin->borderWidth = 0; |
| 520 | |
| 521 | /* security creation/labeling check |
| 522 | */ |
| 523 | if (XaceHook(XACE_RESOURCE_ACCESS, serverClient, pWin->drawable.id, |
| 524 | RT_WINDOW, pWin, RT_NONE, NULL, DixCreateAccess)) |
| 525 | return FALSE; |
| 526 | |
| 527 | if (!AddResource(pWin->drawable.id, RT_WINDOW, (pointer) pWin)) |
| 528 | return FALSE; |
| 529 | |
| 530 | if (disableBackingStore) |
| 531 | pScreen->backingStoreSupport = NotUseful; |
| 532 | if (enableBackingStore) |
| 533 | pScreen->backingStoreSupport = WhenMapped; |
| 534 | #ifdef COMPOSITE |
| 535 | if (noCompositeExtension) |
| 536 | pScreen->backingStoreSupport = NotUseful; |
| 537 | #endif |
| 538 | |
| 539 | pScreen->saveUnderSupport = NotUseful; |
| 540 | |
| 541 | return TRUE; |
| 542 | } |
| 543 | |
| 544 | void |
| 545 | InitRootWindow(WindowPtr pWin) |
| 546 | { |
| 547 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 548 | int backFlag = CWBorderPixel | CWCursor | CWBackingStore; |
| 549 | |
| 550 | if (!(*pScreen->CreateWindow) (pWin)) |
| 551 | return; /* XXX */ |
| 552 | (*pScreen->PositionWindow) (pWin, 0, 0); |
| 553 | |
| 554 | pWin->cursorIsNone = FALSE; |
| 555 | pWin->optional->cursor = RefCursor(rootCursor); |
| 556 | |
| 557 | if (party_like_its_1989) { |
| 558 | MakeRootTile(pWin); |
| 559 | backFlag |= CWBackPixmap; |
| 560 | } |
| 561 | else if (pScreen->canDoBGNoneRoot && bgNoneRoot) { |
| 562 | pWin->backgroundState = XaceBackgroundNoneState(pWin); |
| 563 | pWin->background.pixel = pScreen->whitePixel; |
| 564 | backFlag |= CWBackPixmap; |
| 565 | } |
| 566 | else { |
| 567 | pWin->backgroundState = BackgroundPixel; |
| 568 | if (whiteRoot) |
| 569 | pWin->background.pixel = pScreen->whitePixel; |
| 570 | else |
| 571 | pWin->background.pixel = pScreen->blackPixel; |
| 572 | backFlag |= CWBackPixel; |
| 573 | } |
| 574 | |
| 575 | pWin->backingStore = defaultBackingStore; |
| 576 | pWin->forcedBS = (defaultBackingStore != NotUseful); |
| 577 | /* We SHOULD check for an error value here XXX */ |
| 578 | (*pScreen->ChangeWindowAttributes) (pWin, backFlag); |
| 579 | |
| 580 | MapWindow(pWin, serverClient); |
| 581 | } |
| 582 | |
| 583 | /* Set the region to the intersection of the rectangle and the |
| 584 | * window's winSize. The window is typically the parent of the |
| 585 | * window from which the region came. |
| 586 | */ |
| 587 | |
| 588 | static void |
| 589 | ClippedRegionFromBox(WindowPtr pWin, RegionPtr Rgn, int x, int y, int w, int h) |
| 590 | { |
| 591 | BoxRec box = *RegionExtents(&pWin->winSize); |
| 592 | |
| 593 | /* we do these calculations to avoid overflows */ |
| 594 | if (x > box.x1) |
| 595 | box.x1 = x; |
| 596 | if (y > box.y1) |
| 597 | box.y1 = y; |
| 598 | x += w; |
| 599 | if (x < box.x2) |
| 600 | box.x2 = x; |
| 601 | y += h; |
| 602 | if (y < box.y2) |
| 603 | box.y2 = y; |
| 604 | if (box.x1 > box.x2) |
| 605 | box.x2 = box.x1; |
| 606 | if (box.y1 > box.y2) |
| 607 | box.y2 = box.y1; |
| 608 | RegionReset(Rgn, &box); |
| 609 | RegionIntersect(Rgn, Rgn, &pWin->winSize); |
| 610 | } |
| 611 | |
| 612 | static RealChildHeadProc realChildHeadProc = NULL; |
| 613 | |
| 614 | void |
| 615 | RegisterRealChildHeadProc(RealChildHeadProc proc) |
| 616 | { |
| 617 | realChildHeadProc = proc; |
| 618 | } |
| 619 | |
| 620 | WindowPtr |
| 621 | RealChildHead(WindowPtr pWin) |
| 622 | { |
| 623 | if (realChildHeadProc) { |
| 624 | return realChildHeadProc(pWin); |
| 625 | } |
| 626 | |
| 627 | if (!pWin->parent && |
| 628 | (screenIsSaved == SCREEN_SAVER_ON) && |
| 629 | (HasSaverWindow(pWin->drawable.pScreen))) |
| 630 | return pWin->firstChild; |
| 631 | else |
| 632 | return NullWindow; |
| 633 | } |
| 634 | |
| 635 | /***** |
| 636 | * CreateWindow |
| 637 | * Makes a window in response to client request |
| 638 | *****/ |
| 639 | |
| 640 | WindowPtr |
| 641 | CreateWindow(Window wid, WindowPtr pParent, int x, int y, unsigned w, |
| 642 | unsigned h, unsigned bw, unsigned class, Mask vmask, XID *vlist, |
| 643 | int depth, ClientPtr client, VisualID visual, int *error) |
| 644 | { |
| 645 | WindowPtr pWin; |
| 646 | WindowPtr pHead; |
| 647 | ScreenPtr pScreen; |
| 648 | int idepth, ivisual; |
| 649 | Bool fOK; |
| 650 | DepthPtr pDepth; |
| 651 | PixmapFormatRec *format; |
| 652 | WindowOptPtr ancwopt; |
| 653 | |
| 654 | if (class == CopyFromParent) |
| 655 | class = pParent->drawable.class; |
| 656 | |
| 657 | if ((class != InputOutput) && (class != InputOnly)) { |
| 658 | *error = BadValue; |
| 659 | client->errorValue = class; |
| 660 | return NullWindow; |
| 661 | } |
| 662 | |
| 663 | if ((class != InputOnly) && (pParent->drawable.class == InputOnly)) { |
| 664 | *error = BadMatch; |
| 665 | return NullWindow; |
| 666 | } |
| 667 | |
| 668 | if ((class == InputOnly) && ((bw != 0) || (depth != 0))) { |
| 669 | *error = BadMatch; |
| 670 | return NullWindow; |
| 671 | } |
| 672 | |
| 673 | pScreen = pParent->drawable.pScreen; |
| 674 | if ((class == InputOutput) && (depth == 0)) |
| 675 | depth = pParent->drawable.depth; |
| 676 | ancwopt = pParent->optional; |
| 677 | if (!ancwopt) |
| 678 | ancwopt = FindWindowWithOptional(pParent)->optional; |
| 679 | if (visual == CopyFromParent) { |
| 680 | visual = ancwopt->visual; |
| 681 | } |
| 682 | |
| 683 | /* Find out if the depth and visual are acceptable for this Screen */ |
| 684 | if ((visual != ancwopt->visual) || (depth != pParent->drawable.depth)) { |
| 685 | fOK = FALSE; |
| 686 | for (idepth = 0; idepth < pScreen->numDepths; idepth++) { |
| 687 | pDepth = (DepthPtr) &pScreen->allowedDepths[idepth]; |
| 688 | if ((depth == pDepth->depth) || (depth == 0)) { |
| 689 | for (ivisual = 0; ivisual < pDepth->numVids; ivisual++) { |
| 690 | if (visual == pDepth->vids[ivisual]) { |
| 691 | fOK = TRUE; |
| 692 | break; |
| 693 | } |
| 694 | } |
| 695 | } |
| 696 | } |
| 697 | if (fOK == FALSE) { |
| 698 | *error = BadMatch; |
| 699 | return NullWindow; |
| 700 | } |
| 701 | } |
| 702 | |
| 703 | if (((vmask & (CWBorderPixmap | CWBorderPixel)) == 0) && |
| 704 | (class != InputOnly) && (depth != pParent->drawable.depth)) { |
| 705 | *error = BadMatch; |
| 706 | return NullWindow; |
| 707 | } |
| 708 | |
| 709 | if (((vmask & CWColormap) == 0) && |
| 710 | (class != InputOnly) && |
| 711 | ((visual != ancwopt->visual) || (ancwopt->colormap == None))) { |
| 712 | *error = BadMatch; |
| 713 | return NullWindow; |
| 714 | } |
| 715 | |
| 716 | pWin = dixAllocateScreenObjectWithPrivates(pScreen, WindowRec, PRIVATE_WINDOW); |
| 717 | if (!pWin) { |
| 718 | *error = BadAlloc; |
| 719 | return NullWindow; |
| 720 | } |
| 721 | pWin->drawable = pParent->drawable; |
| 722 | pWin->drawable.depth = depth; |
| 723 | if (depth == pParent->drawable.depth) |
| 724 | pWin->drawable.bitsPerPixel = pParent->drawable.bitsPerPixel; |
| 725 | else { |
| 726 | for (format = screenInfo.formats; format->depth != depth; format++); |
| 727 | pWin->drawable.bitsPerPixel = format->bitsPerPixel; |
| 728 | } |
| 729 | if (class == InputOnly) |
| 730 | pWin->drawable.type = (short) UNDRAWABLE_WINDOW; |
| 731 | pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER; |
| 732 | |
| 733 | pWin->drawable.id = wid; |
| 734 | pWin->drawable.class = class; |
| 735 | |
| 736 | pWin->parent = pParent; |
| 737 | SetWindowToDefaults(pWin); |
| 738 | |
| 739 | if (visual != ancwopt->visual) { |
| 740 | if (!MakeWindowOptional(pWin)) { |
| 741 | dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW); |
| 742 | *error = BadAlloc; |
| 743 | return NullWindow; |
| 744 | } |
| 745 | pWin->optional->visual = visual; |
| 746 | pWin->optional->colormap = None; |
| 747 | } |
| 748 | |
| 749 | pWin->borderWidth = bw; |
| 750 | |
| 751 | /* security creation/labeling check |
| 752 | */ |
| 753 | *error = XaceHook(XACE_RESOURCE_ACCESS, client, wid, RT_WINDOW, pWin, |
| 754 | RT_WINDOW, pWin->parent, |
| 755 | DixCreateAccess | DixSetAttrAccess); |
| 756 | if (*error != Success) { |
| 757 | dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW); |
| 758 | return NullWindow; |
| 759 | } |
| 760 | |
| 761 | pWin->backgroundState = XaceBackgroundNoneState(pWin); |
| 762 | pWin->background.pixel = pScreen->whitePixel; |
| 763 | |
| 764 | pWin->borderIsPixel = pParent->borderIsPixel; |
| 765 | pWin->border = pParent->border; |
| 766 | if (pWin->borderIsPixel == FALSE) |
| 767 | pWin->border.pixmap->refcnt++; |
| 768 | |
| 769 | pWin->origin.x = x + (int) bw; |
| 770 | pWin->origin.y = y + (int) bw; |
| 771 | pWin->drawable.width = w; |
| 772 | pWin->drawable.height = h; |
| 773 | pWin->drawable.x = pParent->drawable.x + x + (int) bw; |
| 774 | pWin->drawable.y = pParent->drawable.y + y + (int) bw; |
| 775 | |
| 776 | /* set up clip list correctly for unobscured WindowPtr */ |
| 777 | RegionNull(&pWin->clipList); |
| 778 | RegionNull(&pWin->borderClip); |
| 779 | RegionNull(&pWin->winSize); |
| 780 | RegionNull(&pWin->borderSize); |
| 781 | |
| 782 | pHead = RealChildHead(pParent); |
| 783 | if (pHead) { |
| 784 | pWin->nextSib = pHead->nextSib; |
| 785 | if (pHead->nextSib) |
| 786 | pHead->nextSib->prevSib = pWin; |
| 787 | else |
| 788 | pParent->lastChild = pWin; |
| 789 | pHead->nextSib = pWin; |
| 790 | pWin->prevSib = pHead; |
| 791 | } |
| 792 | else { |
| 793 | pWin->nextSib = pParent->firstChild; |
| 794 | if (pParent->firstChild) |
| 795 | pParent->firstChild->prevSib = pWin; |
| 796 | else |
| 797 | pParent->lastChild = pWin; |
| 798 | pParent->firstChild = pWin; |
| 799 | } |
| 800 | |
| 801 | SetWinSize(pWin); |
| 802 | SetBorderSize(pWin); |
| 803 | |
| 804 | /* We SHOULD check for an error value here XXX */ |
| 805 | if (!(*pScreen->CreateWindow) (pWin)) { |
| 806 | *error = BadAlloc; |
| 807 | DeleteWindow(pWin, None); |
| 808 | return NullWindow; |
| 809 | } |
| 810 | /* We SHOULD check for an error value here XXX */ |
| 811 | (*pScreen->PositionWindow) (pWin, pWin->drawable.x, pWin->drawable.y); |
| 812 | |
| 813 | if (!(vmask & CWEventMask)) |
| 814 | RecalculateDeliverableEvents(pWin); |
| 815 | |
| 816 | if (vmask) |
| 817 | *error = ChangeWindowAttributes(pWin, vmask, vlist, wClient(pWin)); |
| 818 | else |
| 819 | *error = Success; |
| 820 | |
| 821 | if (*error != Success) { |
| 822 | DeleteWindow(pWin, None); |
| 823 | return NullWindow; |
| 824 | } |
| 825 | if (!(vmask & CWBackingStore) && (defaultBackingStore != NotUseful)) { |
| 826 | XID value = defaultBackingStore; |
| 827 | |
| 828 | (void) ChangeWindowAttributes(pWin, CWBackingStore, &value, |
| 829 | wClient(pWin)); |
| 830 | pWin->forcedBS = TRUE; |
| 831 | } |
| 832 | |
| 833 | if (SubSend(pParent)) { |
| 834 | xEvent event = { |
| 835 | .u.createNotify.window = wid, |
| 836 | .u.createNotify.parent = pParent->drawable.id, |
| 837 | .u.createNotify.x = x, |
| 838 | .u.createNotify.y = y, |
| 839 | .u.createNotify.width = w, |
| 840 | .u.createNotify.height = h, |
| 841 | .u.createNotify.borderWidth = bw, |
| 842 | .u.createNotify.override = pWin->overrideRedirect |
| 843 | }; |
| 844 | event.u.u.type = CreateNotify; |
| 845 | DeliverEvents(pParent, &event, 1, NullWindow); |
| 846 | } |
| 847 | return pWin; |
| 848 | } |
| 849 | |
| 850 | static void |
| 851 | DisposeWindowOptional(WindowPtr pWin) |
| 852 | { |
| 853 | if (!pWin->optional) |
| 854 | return; |
| 855 | /* |
| 856 | * everything is peachy. Delete the optional record |
| 857 | * and clean up |
| 858 | */ |
| 859 | if (pWin->optional->cursor) { |
| 860 | FreeCursor(pWin->optional->cursor, (Cursor) 0); |
| 861 | pWin->cursorIsNone = FALSE; |
| 862 | } |
| 863 | else |
| 864 | pWin->cursorIsNone = TRUE; |
| 865 | |
| 866 | if (pWin->optional->deviceCursors) { |
| 867 | DevCursorList pList; |
| 868 | DevCursorList pPrev; |
| 869 | |
| 870 | pList = pWin->optional->deviceCursors; |
| 871 | while (pList) { |
| 872 | if (pList->cursor) |
| 873 | FreeCursor(pList->cursor, (XID) 0); |
| 874 | pPrev = pList; |
| 875 | pList = pList->next; |
| 876 | free(pPrev); |
| 877 | } |
| 878 | pWin->optional->deviceCursors = NULL; |
| 879 | } |
| 880 | |
| 881 | free(pWin->optional); |
| 882 | pWin->optional = NULL; |
| 883 | } |
| 884 | |
| 885 | static void |
| 886 | FreeWindowResources(WindowPtr pWin) |
| 887 | { |
| 888 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 889 | |
| 890 | DeleteWindowFromAnySaveSet(pWin); |
| 891 | DeleteWindowFromAnySelections(pWin); |
| 892 | DeleteWindowFromAnyEvents(pWin, TRUE); |
| 893 | RegionUninit(&pWin->clipList); |
| 894 | RegionUninit(&pWin->winSize); |
| 895 | RegionUninit(&pWin->borderClip); |
| 896 | RegionUninit(&pWin->borderSize); |
| 897 | if (wBoundingShape(pWin)) |
| 898 | RegionDestroy(wBoundingShape(pWin)); |
| 899 | if (wClipShape(pWin)) |
| 900 | RegionDestroy(wClipShape(pWin)); |
| 901 | if (wInputShape(pWin)) |
| 902 | RegionDestroy(wInputShape(pWin)); |
| 903 | if (pWin->borderIsPixel == FALSE) |
| 904 | (*pScreen->DestroyPixmap) (pWin->border.pixmap); |
| 905 | if (pWin->backgroundState == BackgroundPixmap) |
| 906 | (*pScreen->DestroyPixmap) (pWin->background.pixmap); |
| 907 | |
| 908 | DeleteAllWindowProperties(pWin); |
| 909 | /* We SHOULD check for an error value here XXX */ |
| 910 | (*pScreen->DestroyWindow) (pWin); |
| 911 | DisposeWindowOptional(pWin); |
| 912 | } |
| 913 | |
| 914 | static void |
| 915 | CrushTree(WindowPtr pWin) |
| 916 | { |
| 917 | WindowPtr pChild, pSib, pParent; |
| 918 | UnrealizeWindowProcPtr UnrealizeWindow; |
| 919 | |
| 920 | if (!(pChild = pWin->firstChild)) |
| 921 | return; |
| 922 | UnrealizeWindow = pWin->drawable.pScreen->UnrealizeWindow; |
| 923 | while (1) { |
| 924 | if (pChild->firstChild) { |
| 925 | pChild = pChild->firstChild; |
| 926 | continue; |
| 927 | } |
| 928 | while (1) { |
| 929 | pParent = pChild->parent; |
| 930 | if (SubStrSend(pChild, pParent)) { |
| 931 | xEvent event = { .u.u.type = DestroyNotify }; |
| 932 | event.u.destroyNotify.window = pChild->drawable.id; |
| 933 | DeliverEvents(pChild, &event, 1, NullWindow); |
| 934 | } |
| 935 | FreeResource(pChild->drawable.id, RT_WINDOW); |
| 936 | pSib = pChild->nextSib; |
| 937 | pChild->viewable = FALSE; |
| 938 | if (pChild->realized) { |
| 939 | pChild->realized = FALSE; |
| 940 | (*UnrealizeWindow) (pChild); |
| 941 | } |
| 942 | FreeWindowResources(pChild); |
| 943 | dixFreeObjectWithPrivates(pChild, PRIVATE_WINDOW); |
| 944 | if ((pChild = pSib)) |
| 945 | break; |
| 946 | pChild = pParent; |
| 947 | pChild->firstChild = NullWindow; |
| 948 | pChild->lastChild = NullWindow; |
| 949 | if (pChild == pWin) |
| 950 | return; |
| 951 | } |
| 952 | } |
| 953 | } |
| 954 | |
| 955 | /***** |
| 956 | * DeleteWindow |
| 957 | * Deletes child of window then window itself |
| 958 | * If wid is None, don't send any events |
| 959 | *****/ |
| 960 | |
| 961 | int |
| 962 | DeleteWindow(pointer value, XID wid) |
| 963 | { |
| 964 | WindowPtr pParent; |
| 965 | WindowPtr pWin = (WindowPtr) value; |
| 966 | |
| 967 | UnmapWindow(pWin, FALSE); |
| 968 | |
| 969 | CrushTree(pWin); |
| 970 | |
| 971 | pParent = pWin->parent; |
| 972 | if (wid && pParent && SubStrSend(pWin, pParent)) { |
| 973 | xEvent event = { .u.u.type = DestroyNotify }; |
| 974 | event.u.destroyNotify.window = pWin->drawable.id; |
| 975 | DeliverEvents(pWin, &event, 1, NullWindow); |
| 976 | } |
| 977 | |
| 978 | FreeWindowResources(pWin); |
| 979 | if (pParent) { |
| 980 | if (pParent->firstChild == pWin) |
| 981 | pParent->firstChild = pWin->nextSib; |
| 982 | if (pParent->lastChild == pWin) |
| 983 | pParent->lastChild = pWin->prevSib; |
| 984 | if (pWin->nextSib) |
| 985 | pWin->nextSib->prevSib = pWin->prevSib; |
| 986 | if (pWin->prevSib) |
| 987 | pWin->prevSib->nextSib = pWin->nextSib; |
| 988 | } |
| 989 | else |
| 990 | pWin->drawable.pScreen->root = NULL; |
| 991 | dixFreeObjectWithPrivates(pWin, PRIVATE_WINDOW); |
| 992 | return Success; |
| 993 | } |
| 994 | |
| 995 | int |
| 996 | DestroySubwindows(WindowPtr pWin, ClientPtr client) |
| 997 | { |
| 998 | /* XXX |
| 999 | * The protocol is quite clear that each window should be |
| 1000 | * destroyed in turn, however, unmapping all of the first |
| 1001 | * eliminates most of the calls to ValidateTree. So, |
| 1002 | * this implementation is incorrect in that all of the |
| 1003 | * UnmapNotifies occur before all of the DestroyNotifies. |
| 1004 | * If you care, simply delete the call to UnmapSubwindows. |
| 1005 | */ |
| 1006 | UnmapSubwindows(pWin); |
| 1007 | while (pWin->lastChild) { |
| 1008 | int rc = XaceHook(XACE_RESOURCE_ACCESS, client, |
| 1009 | pWin->lastChild->drawable.id, RT_WINDOW, |
| 1010 | pWin->lastChild, RT_NONE, NULL, DixDestroyAccess); |
| 1011 | |
| 1012 | if (rc != Success) |
| 1013 | return rc; |
| 1014 | FreeResource(pWin->lastChild->drawable.id, RT_NONE); |
| 1015 | } |
| 1016 | return Success; |
| 1017 | } |
| 1018 | |
| 1019 | static void |
| 1020 | SetRootWindowBackground(WindowPtr pWin, ScreenPtr pScreen, Mask *index2) |
| 1021 | { |
| 1022 | /* following the protocol: "Changing the background of a root window to |
| 1023 | * None or ParentRelative restores the default background pixmap" */ |
| 1024 | if (bgNoneRoot) { |
| 1025 | pWin->backgroundState = XaceBackgroundNoneState(pWin); |
| 1026 | pWin->background.pixel = pScreen->whitePixel; |
| 1027 | } |
| 1028 | else if (party_like_its_1989) |
| 1029 | MakeRootTile(pWin); |
| 1030 | else { |
| 1031 | pWin->backgroundState = BackgroundPixel; |
| 1032 | if (whiteRoot) |
| 1033 | pWin->background.pixel = pScreen->whitePixel; |
| 1034 | else |
| 1035 | pWin->background.pixel = pScreen->blackPixel; |
| 1036 | *index2 = CWBackPixel; |
| 1037 | } |
| 1038 | } |
| 1039 | |
| 1040 | /***** |
| 1041 | * ChangeWindowAttributes |
| 1042 | * |
| 1043 | * The value-mask specifies which attributes are to be changed; the |
| 1044 | * value-list contains one value for each one bit in the mask, from least |
| 1045 | * to most significant bit in the mask. |
| 1046 | *****/ |
| 1047 | |
| 1048 | int |
| 1049 | ChangeWindowAttributes(WindowPtr pWin, Mask vmask, XID *vlist, ClientPtr client) |
| 1050 | { |
| 1051 | XID *pVlist; |
| 1052 | PixmapPtr pPixmap; |
| 1053 | Pixmap pixID; |
| 1054 | CursorPtr pCursor, pOldCursor; |
| 1055 | Cursor cursorID; |
| 1056 | WindowPtr pChild; |
| 1057 | Colormap cmap; |
| 1058 | ColormapPtr pCmap; |
| 1059 | xEvent xE; |
| 1060 | int error, rc; |
| 1061 | ScreenPtr pScreen; |
| 1062 | Mask index2, tmask, vmaskCopy = 0; |
| 1063 | unsigned int val; |
| 1064 | Bool checkOptional = FALSE, borderRelative = FALSE; |
| 1065 | |
| 1066 | if ((pWin->drawable.class == InputOnly) && |
| 1067 | (vmask & (~INPUTONLY_LEGAL_MASK))) |
| 1068 | return BadMatch; |
| 1069 | |
| 1070 | error = Success; |
| 1071 | pScreen = pWin->drawable.pScreen; |
| 1072 | pVlist = vlist; |
| 1073 | tmask = vmask; |
| 1074 | while (tmask) { |
| 1075 | index2 = (Mask) lowbit(tmask); |
| 1076 | tmask &= ~index2; |
| 1077 | switch (index2) { |
| 1078 | case CWBackPixmap: |
| 1079 | pixID = (Pixmap) * pVlist; |
| 1080 | pVlist++; |
| 1081 | if (pWin->backgroundState == ParentRelative) |
| 1082 | borderRelative = TRUE; |
| 1083 | if (pixID == None) { |
| 1084 | if (pWin->backgroundState == BackgroundPixmap) |
| 1085 | (*pScreen->DestroyPixmap) (pWin->background.pixmap); |
| 1086 | if (!pWin->parent) |
| 1087 | SetRootWindowBackground(pWin, pScreen, &index2); |
| 1088 | else { |
| 1089 | pWin->backgroundState = XaceBackgroundNoneState(pWin); |
| 1090 | pWin->background.pixel = pScreen->whitePixel; |
| 1091 | } |
| 1092 | } |
| 1093 | else if (pixID == ParentRelative) { |
| 1094 | if (pWin->parent && |
| 1095 | pWin->drawable.depth != pWin->parent->drawable.depth) { |
| 1096 | error = BadMatch; |
| 1097 | goto PatchUp; |
| 1098 | } |
| 1099 | if (pWin->backgroundState == BackgroundPixmap) |
| 1100 | (*pScreen->DestroyPixmap) (pWin->background.pixmap); |
| 1101 | if (!pWin->parent) |
| 1102 | SetRootWindowBackground(pWin, pScreen, &index2); |
| 1103 | else |
| 1104 | pWin->backgroundState = ParentRelative; |
| 1105 | borderRelative = TRUE; |
| 1106 | /* Note that the parent's backgroundTile's refcnt is NOT |
| 1107 | * incremented. */ |
| 1108 | } |
| 1109 | else { |
| 1110 | rc = dixLookupResourceByType((pointer *) &pPixmap, pixID, |
| 1111 | RT_PIXMAP, client, DixReadAccess); |
| 1112 | if (rc == Success) { |
| 1113 | if ((pPixmap->drawable.depth != pWin->drawable.depth) || |
| 1114 | (pPixmap->drawable.pScreen != pScreen)) { |
| 1115 | error = BadMatch; |
| 1116 | goto PatchUp; |
| 1117 | } |
| 1118 | if (pWin->backgroundState == BackgroundPixmap) |
| 1119 | (*pScreen->DestroyPixmap) (pWin->background.pixmap); |
| 1120 | pWin->backgroundState = BackgroundPixmap; |
| 1121 | pWin->background.pixmap = pPixmap; |
| 1122 | pPixmap->refcnt++; |
| 1123 | } |
| 1124 | else { |
| 1125 | error = rc; |
| 1126 | client->errorValue = pixID; |
| 1127 | goto PatchUp; |
| 1128 | } |
| 1129 | } |
| 1130 | break; |
| 1131 | case CWBackPixel: |
| 1132 | if (pWin->backgroundState == ParentRelative) |
| 1133 | borderRelative = TRUE; |
| 1134 | if (pWin->backgroundState == BackgroundPixmap) |
| 1135 | (*pScreen->DestroyPixmap) (pWin->background.pixmap); |
| 1136 | pWin->backgroundState = BackgroundPixel; |
| 1137 | pWin->background.pixel = (CARD32) *pVlist; |
| 1138 | /* background pixel overrides background pixmap, |
| 1139 | so don't let the ddx layer see both bits */ |
| 1140 | vmaskCopy &= ~CWBackPixmap; |
| 1141 | pVlist++; |
| 1142 | break; |
| 1143 | case CWBorderPixmap: |
| 1144 | pixID = (Pixmap) * pVlist; |
| 1145 | pVlist++; |
| 1146 | if (pixID == CopyFromParent) { |
| 1147 | if (!pWin->parent || |
| 1148 | (pWin->drawable.depth != pWin->parent->drawable.depth)) { |
| 1149 | error = BadMatch; |
| 1150 | goto PatchUp; |
| 1151 | } |
| 1152 | if (pWin->parent->borderIsPixel == TRUE) { |
| 1153 | if (pWin->borderIsPixel == FALSE) |
| 1154 | (*pScreen->DestroyPixmap) (pWin->border.pixmap); |
| 1155 | pWin->border = pWin->parent->border; |
| 1156 | pWin->borderIsPixel = TRUE; |
| 1157 | index2 = CWBorderPixel; |
| 1158 | break; |
| 1159 | } |
| 1160 | else { |
| 1161 | pixID = pWin->parent->border.pixmap->drawable.id; |
| 1162 | } |
| 1163 | } |
| 1164 | rc = dixLookupResourceByType((pointer *) &pPixmap, pixID, RT_PIXMAP, |
| 1165 | client, DixReadAccess); |
| 1166 | if (rc == Success) { |
| 1167 | if ((pPixmap->drawable.depth != pWin->drawable.depth) || |
| 1168 | (pPixmap->drawable.pScreen != pScreen)) { |
| 1169 | error = BadMatch; |
| 1170 | goto PatchUp; |
| 1171 | } |
| 1172 | if (pWin->borderIsPixel == FALSE) |
| 1173 | (*pScreen->DestroyPixmap) (pWin->border.pixmap); |
| 1174 | pWin->borderIsPixel = FALSE; |
| 1175 | pWin->border.pixmap = pPixmap; |
| 1176 | pPixmap->refcnt++; |
| 1177 | } |
| 1178 | else { |
| 1179 | error = rc; |
| 1180 | client->errorValue = pixID; |
| 1181 | goto PatchUp; |
| 1182 | } |
| 1183 | break; |
| 1184 | case CWBorderPixel: |
| 1185 | if (pWin->borderIsPixel == FALSE) |
| 1186 | (*pScreen->DestroyPixmap) (pWin->border.pixmap); |
| 1187 | pWin->borderIsPixel = TRUE; |
| 1188 | pWin->border.pixel = (CARD32) *pVlist; |
| 1189 | /* border pixel overrides border pixmap, |
| 1190 | so don't let the ddx layer see both bits */ |
| 1191 | vmaskCopy &= ~CWBorderPixmap; |
| 1192 | pVlist++; |
| 1193 | break; |
| 1194 | case CWBitGravity: |
| 1195 | val = (CARD8) *pVlist; |
| 1196 | pVlist++; |
| 1197 | if (val > StaticGravity) { |
| 1198 | error = BadValue; |
| 1199 | client->errorValue = val; |
| 1200 | goto PatchUp; |
| 1201 | } |
| 1202 | pWin->bitGravity = val; |
| 1203 | break; |
| 1204 | case CWWinGravity: |
| 1205 | val = (CARD8) *pVlist; |
| 1206 | pVlist++; |
| 1207 | if (val > StaticGravity) { |
| 1208 | error = BadValue; |
| 1209 | client->errorValue = val; |
| 1210 | goto PatchUp; |
| 1211 | } |
| 1212 | pWin->winGravity = val; |
| 1213 | break; |
| 1214 | case CWBackingStore: |
| 1215 | val = (CARD8) *pVlist; |
| 1216 | pVlist++; |
| 1217 | if ((val != NotUseful) && (val != WhenMapped) && (val != Always)) { |
| 1218 | error = BadValue; |
| 1219 | client->errorValue = val; |
| 1220 | goto PatchUp; |
| 1221 | } |
| 1222 | pWin->backingStore = val; |
| 1223 | pWin->forcedBS = FALSE; |
| 1224 | break; |
| 1225 | case CWBackingPlanes: |
| 1226 | if (pWin->optional || ((CARD32) *pVlist != (CARD32) ~0L)) { |
| 1227 | if (!pWin->optional && !MakeWindowOptional(pWin)) { |
| 1228 | error = BadAlloc; |
| 1229 | goto PatchUp; |
| 1230 | } |
| 1231 | pWin->optional->backingBitPlanes = (CARD32) *pVlist; |
| 1232 | if ((CARD32) *pVlist == (CARD32) ~0L) |
| 1233 | checkOptional = TRUE; |
| 1234 | } |
| 1235 | pVlist++; |
| 1236 | break; |
| 1237 | case CWBackingPixel: |
| 1238 | if (pWin->optional || (CARD32) *pVlist) { |
| 1239 | if (!pWin->optional && !MakeWindowOptional(pWin)) { |
| 1240 | error = BadAlloc; |
| 1241 | goto PatchUp; |
| 1242 | } |
| 1243 | pWin->optional->backingPixel = (CARD32) *pVlist; |
| 1244 | if (!*pVlist) |
| 1245 | checkOptional = TRUE; |
| 1246 | } |
| 1247 | pVlist++; |
| 1248 | break; |
| 1249 | case CWSaveUnder: |
| 1250 | val = (BOOL) * pVlist; |
| 1251 | pVlist++; |
| 1252 | if ((val != xTrue) && (val != xFalse)) { |
| 1253 | error = BadValue; |
| 1254 | client->errorValue = val; |
| 1255 | goto PatchUp; |
| 1256 | } |
| 1257 | pWin->saveUnder = val; |
| 1258 | break; |
| 1259 | case CWEventMask: |
| 1260 | rc = EventSelectForWindow(pWin, client, (Mask) *pVlist); |
| 1261 | if (rc) { |
| 1262 | error = rc; |
| 1263 | goto PatchUp; |
| 1264 | } |
| 1265 | pVlist++; |
| 1266 | break; |
| 1267 | case CWDontPropagate: |
| 1268 | rc = EventSuppressForWindow(pWin, client, (Mask) *pVlist, |
| 1269 | &checkOptional); |
| 1270 | if (rc) { |
| 1271 | error = rc; |
| 1272 | goto PatchUp; |
| 1273 | } |
| 1274 | pVlist++; |
| 1275 | break; |
| 1276 | case CWOverrideRedirect: |
| 1277 | val = (BOOL) * pVlist; |
| 1278 | pVlist++; |
| 1279 | if ((val != xTrue) && (val != xFalse)) { |
| 1280 | error = BadValue; |
| 1281 | client->errorValue = val; |
| 1282 | goto PatchUp; |
| 1283 | } |
| 1284 | if (val == xTrue) { |
| 1285 | rc = XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id, |
| 1286 | RT_WINDOW, pWin, RT_NONE, NULL, DixGrabAccess); |
| 1287 | if (rc != Success) { |
| 1288 | error = rc; |
| 1289 | client->errorValue = pWin->drawable.id; |
| 1290 | goto PatchUp; |
| 1291 | } |
| 1292 | } |
| 1293 | pWin->overrideRedirect = val; |
| 1294 | break; |
| 1295 | case CWColormap: |
| 1296 | cmap = (Colormap) * pVlist; |
| 1297 | pVlist++; |
| 1298 | if (cmap == CopyFromParent) { |
| 1299 | if (pWin->parent && |
| 1300 | (!pWin->optional || |
| 1301 | pWin->optional->visual == wVisual(pWin->parent))) { |
| 1302 | cmap = wColormap(pWin->parent); |
| 1303 | } |
| 1304 | else |
| 1305 | cmap = None; |
| 1306 | } |
| 1307 | if (cmap == None) { |
| 1308 | error = BadMatch; |
| 1309 | goto PatchUp; |
| 1310 | } |
| 1311 | rc = dixLookupResourceByType((pointer *) &pCmap, cmap, RT_COLORMAP, |
| 1312 | client, DixUseAccess); |
| 1313 | if (rc != Success) { |
| 1314 | error = rc; |
| 1315 | client->errorValue = cmap; |
| 1316 | goto PatchUp; |
| 1317 | } |
| 1318 | if (pCmap->pVisual->vid != wVisual(pWin) || |
| 1319 | pCmap->pScreen != pScreen) { |
| 1320 | error = BadMatch; |
| 1321 | goto PatchUp; |
| 1322 | } |
| 1323 | if (cmap != wColormap(pWin)) { |
| 1324 | if (!pWin->optional) { |
| 1325 | if (!MakeWindowOptional(pWin)) { |
| 1326 | error = BadAlloc; |
| 1327 | goto PatchUp; |
| 1328 | } |
| 1329 | } |
| 1330 | else if (pWin->parent && cmap == wColormap(pWin->parent)) |
| 1331 | checkOptional = TRUE; |
| 1332 | |
| 1333 | /* |
| 1334 | * propagate the original colormap to any children |
| 1335 | * inheriting it |
| 1336 | */ |
| 1337 | |
| 1338 | for (pChild = pWin->firstChild; pChild; |
| 1339 | pChild = pChild->nextSib) { |
| 1340 | if (!pChild->optional && !MakeWindowOptional(pChild)) { |
| 1341 | error = BadAlloc; |
| 1342 | goto PatchUp; |
| 1343 | } |
| 1344 | } |
| 1345 | |
| 1346 | pWin->optional->colormap = cmap; |
| 1347 | |
| 1348 | /* |
| 1349 | * check on any children now matching the new colormap |
| 1350 | */ |
| 1351 | |
| 1352 | for (pChild = pWin->firstChild; pChild; |
| 1353 | pChild = pChild->nextSib) { |
| 1354 | if (pChild->optional->colormap == cmap) |
| 1355 | CheckWindowOptionalNeed(pChild); |
| 1356 | } |
| 1357 | |
| 1358 | xE = (xEvent) { |
| 1359 | .u.colormap.window = pWin->drawable.id, |
| 1360 | .u.colormap.colormap = cmap, |
| 1361 | .u.colormap.new = xTrue, |
| 1362 | .u.colormap.state = IsMapInstalled(cmap, pWin) |
| 1363 | }; |
| 1364 | xE.u.u.type = ColormapNotify; |
| 1365 | DeliverEvents(pWin, &xE, 1, NullWindow); |
| 1366 | } |
| 1367 | break; |
| 1368 | case CWCursor: |
| 1369 | cursorID = (Cursor) * pVlist; |
| 1370 | pVlist++; |
| 1371 | /* |
| 1372 | * install the new |
| 1373 | */ |
| 1374 | if (cursorID == None) { |
| 1375 | if (pWin == pWin->drawable.pScreen->root) |
| 1376 | pCursor = rootCursor; |
| 1377 | else |
| 1378 | pCursor = (CursorPtr) None; |
| 1379 | } |
| 1380 | else { |
| 1381 | rc = dixLookupResourceByType((pointer *) &pCursor, cursorID, |
| 1382 | RT_CURSOR, client, DixUseAccess); |
| 1383 | if (rc != Success) { |
| 1384 | error = rc; |
| 1385 | client->errorValue = cursorID; |
| 1386 | goto PatchUp; |
| 1387 | } |
| 1388 | } |
| 1389 | |
| 1390 | if (pCursor != wCursor(pWin)) { |
| 1391 | /* |
| 1392 | * patch up child windows so they don't lose cursors. |
| 1393 | */ |
| 1394 | |
| 1395 | for (pChild = pWin->firstChild; pChild; |
| 1396 | pChild = pChild->nextSib) { |
| 1397 | if (!pChild->optional && !pChild->cursorIsNone && |
| 1398 | !MakeWindowOptional(pChild)) { |
| 1399 | error = BadAlloc; |
| 1400 | goto PatchUp; |
| 1401 | } |
| 1402 | } |
| 1403 | |
| 1404 | pOldCursor = 0; |
| 1405 | if (pCursor == (CursorPtr) None) { |
| 1406 | pWin->cursorIsNone = TRUE; |
| 1407 | if (pWin->optional) { |
| 1408 | pOldCursor = pWin->optional->cursor; |
| 1409 | pWin->optional->cursor = (CursorPtr) None; |
| 1410 | checkOptional = TRUE; |
| 1411 | } |
| 1412 | } |
| 1413 | else { |
| 1414 | if (!pWin->optional) { |
| 1415 | if (!MakeWindowOptional(pWin)) { |
| 1416 | error = BadAlloc; |
| 1417 | goto PatchUp; |
| 1418 | } |
| 1419 | } |
| 1420 | else if (pWin->parent && pCursor == wCursor(pWin->parent)) |
| 1421 | checkOptional = TRUE; |
| 1422 | pOldCursor = pWin->optional->cursor; |
| 1423 | pWin->optional->cursor = RefCursor(pCursor); |
| 1424 | pWin->cursorIsNone = FALSE; |
| 1425 | /* |
| 1426 | * check on any children now matching the new cursor |
| 1427 | */ |
| 1428 | |
| 1429 | for (pChild = pWin->firstChild; pChild; |
| 1430 | pChild = pChild->nextSib) { |
| 1431 | if (pChild->optional && |
| 1432 | (pChild->optional->cursor == pCursor)) |
| 1433 | CheckWindowOptionalNeed(pChild); |
| 1434 | } |
| 1435 | } |
| 1436 | |
| 1437 | CursorVisible = TRUE; |
| 1438 | |
| 1439 | if (pWin->realized) |
| 1440 | WindowHasNewCursor(pWin); |
| 1441 | |
| 1442 | /* Can't free cursor until here - old cursor |
| 1443 | * is needed in WindowHasNewCursor |
| 1444 | */ |
| 1445 | if (pOldCursor) |
| 1446 | FreeCursor(pOldCursor, (Cursor) 0); |
| 1447 | } |
| 1448 | break; |
| 1449 | default: |
| 1450 | error = BadValue; |
| 1451 | client->errorValue = vmask; |
| 1452 | goto PatchUp; |
| 1453 | } |
| 1454 | vmaskCopy |= index2; |
| 1455 | } |
| 1456 | PatchUp: |
| 1457 | if (checkOptional) |
| 1458 | CheckWindowOptionalNeed(pWin); |
| 1459 | |
| 1460 | /* We SHOULD check for an error value here XXX */ |
| 1461 | (*pScreen->ChangeWindowAttributes) (pWin, vmaskCopy); |
| 1462 | |
| 1463 | /* |
| 1464 | If the border contents have changed, redraw the border. |
| 1465 | Note that this has to be done AFTER pScreen->ChangeWindowAttributes |
| 1466 | for the tile to be rotated, and the correct function selected. |
| 1467 | */ |
| 1468 | if (((vmaskCopy & (CWBorderPixel | CWBorderPixmap)) || borderRelative) |
| 1469 | && pWin->viewable && HasBorder(pWin)) { |
| 1470 | RegionRec exposed; |
| 1471 | |
| 1472 | RegionNull(&exposed); |
| 1473 | RegionSubtract(&exposed, &pWin->borderClip, &pWin->winSize); |
| 1474 | miPaintWindow(pWin, &exposed, PW_BORDER); |
| 1475 | RegionUninit(&exposed); |
| 1476 | } |
| 1477 | return error; |
| 1478 | } |
| 1479 | |
| 1480 | /***** |
| 1481 | * GetWindowAttributes |
| 1482 | * Notice that this is different than ChangeWindowAttributes |
| 1483 | *****/ |
| 1484 | |
| 1485 | void |
| 1486 | GetWindowAttributes(WindowPtr pWin, ClientPtr client, |
| 1487 | xGetWindowAttributesReply * wa) |
| 1488 | { |
| 1489 | wa->type = X_Reply; |
| 1490 | wa->bitGravity = pWin->bitGravity; |
| 1491 | wa->winGravity = pWin->winGravity; |
| 1492 | if (pWin->forcedBS && pWin->backingStore != Always) |
| 1493 | wa->backingStore = NotUseful; |
| 1494 | else |
| 1495 | wa->backingStore = pWin->backingStore; |
| 1496 | wa->length = bytes_to_int32(sizeof(xGetWindowAttributesReply) - |
| 1497 | sizeof(xGenericReply)); |
| 1498 | wa->sequenceNumber = client->sequence; |
| 1499 | wa->backingBitPlanes = wBackingBitPlanes(pWin); |
| 1500 | wa->backingPixel = wBackingPixel(pWin); |
| 1501 | wa->saveUnder = (BOOL) pWin->saveUnder; |
| 1502 | wa->override = pWin->overrideRedirect; |
| 1503 | if (!pWin->mapped) |
| 1504 | wa->mapState = IsUnmapped; |
| 1505 | else if (pWin->realized) |
| 1506 | wa->mapState = IsViewable; |
| 1507 | else |
| 1508 | wa->mapState = IsUnviewable; |
| 1509 | |
| 1510 | wa->colormap = wColormap(pWin); |
| 1511 | wa->mapInstalled = (wa->colormap == None) ? xFalse |
| 1512 | : IsMapInstalled(wa->colormap, pWin); |
| 1513 | |
| 1514 | wa->yourEventMask = EventMaskForClient(pWin, client); |
| 1515 | wa->allEventMasks = pWin->eventMask | wOtherEventMasks(pWin); |
| 1516 | wa->doNotPropagateMask = wDontPropagateMask(pWin); |
| 1517 | wa->class = pWin->drawable.class; |
| 1518 | wa->visualID = wVisual(pWin); |
| 1519 | } |
| 1520 | |
| 1521 | WindowPtr |
| 1522 | MoveWindowInStack(WindowPtr pWin, WindowPtr pNextSib) |
| 1523 | { |
| 1524 | WindowPtr pParent = pWin->parent; |
| 1525 | WindowPtr pFirstChange = pWin; /* highest window where list changes */ |
| 1526 | |
| 1527 | if (pWin->nextSib != pNextSib) { |
| 1528 | WindowPtr pOldNextSib = pWin->nextSib; |
| 1529 | |
| 1530 | if (!pNextSib) { /* move to bottom */ |
| 1531 | if (pParent->firstChild == pWin) |
| 1532 | pParent->firstChild = pWin->nextSib; |
| 1533 | /* if (pWin->nextSib) *//* is always True: pNextSib == NULL |
| 1534 | * and pWin->nextSib != pNextSib |
| 1535 | * therefore pWin->nextSib != NULL */ |
| 1536 | pFirstChange = pWin->nextSib; |
| 1537 | pWin->nextSib->prevSib = pWin->prevSib; |
| 1538 | if (pWin->prevSib) |
| 1539 | pWin->prevSib->nextSib = pWin->nextSib; |
| 1540 | pParent->lastChild->nextSib = pWin; |
| 1541 | pWin->prevSib = pParent->lastChild; |
| 1542 | pWin->nextSib = NullWindow; |
| 1543 | pParent->lastChild = pWin; |
| 1544 | } |
| 1545 | else if (pParent->firstChild == pNextSib) { /* move to top */ |
| 1546 | pFirstChange = pWin; |
| 1547 | if (pParent->lastChild == pWin) |
| 1548 | pParent->lastChild = pWin->prevSib; |
| 1549 | if (pWin->nextSib) |
| 1550 | pWin->nextSib->prevSib = pWin->prevSib; |
| 1551 | if (pWin->prevSib) |
| 1552 | pWin->prevSib->nextSib = pWin->nextSib; |
| 1553 | pWin->nextSib = pParent->firstChild; |
| 1554 | pWin->prevSib = (WindowPtr) NULL; |
| 1555 | pNextSib->prevSib = pWin; |
| 1556 | pParent->firstChild = pWin; |
| 1557 | } |
| 1558 | else { /* move in middle of list */ |
| 1559 | |
| 1560 | WindowPtr pOldNext = pWin->nextSib; |
| 1561 | |
| 1562 | pFirstChange = NullWindow; |
| 1563 | if (pParent->firstChild == pWin) |
| 1564 | pFirstChange = pParent->firstChild = pWin->nextSib; |
| 1565 | if (pParent->lastChild == pWin) { |
| 1566 | pFirstChange = pWin; |
| 1567 | pParent->lastChild = pWin->prevSib; |
| 1568 | } |
| 1569 | if (pWin->nextSib) |
| 1570 | pWin->nextSib->prevSib = pWin->prevSib; |
| 1571 | if (pWin->prevSib) |
| 1572 | pWin->prevSib->nextSib = pWin->nextSib; |
| 1573 | pWin->nextSib = pNextSib; |
| 1574 | pWin->prevSib = pNextSib->prevSib; |
| 1575 | if (pNextSib->prevSib) |
| 1576 | pNextSib->prevSib->nextSib = pWin; |
| 1577 | pNextSib->prevSib = pWin; |
| 1578 | if (!pFirstChange) { /* do we know it yet? */ |
| 1579 | pFirstChange = pParent->firstChild; /* no, search from top */ |
| 1580 | while ((pFirstChange != pWin) && (pFirstChange != pOldNext)) |
| 1581 | pFirstChange = pFirstChange->nextSib; |
| 1582 | } |
| 1583 | } |
| 1584 | if (pWin->drawable.pScreen->RestackWindow) |
| 1585 | (*pWin->drawable.pScreen->RestackWindow) (pWin, pOldNextSib); |
| 1586 | } |
| 1587 | |
| 1588 | #ifdef ROOTLESS |
| 1589 | /* |
| 1590 | * In rootless mode we can't optimize away window restacks. |
| 1591 | * There may be non-X windows around, so even if the window |
| 1592 | * is in the correct position from X's point of view, |
| 1593 | * the underlying window system may want to reorder it. |
| 1594 | */ |
| 1595 | else if (pWin->drawable.pScreen->RestackWindow) |
| 1596 | (*pWin->drawable.pScreen->RestackWindow) (pWin, pWin->nextSib); |
| 1597 | #endif |
| 1598 | |
| 1599 | return pFirstChange; |
| 1600 | } |
| 1601 | |
| 1602 | void |
| 1603 | SetWinSize(WindowPtr pWin) |
| 1604 | { |
| 1605 | #ifdef COMPOSITE |
| 1606 | if (pWin->redirectDraw != RedirectDrawNone) { |
| 1607 | BoxRec box; |
| 1608 | |
| 1609 | /* |
| 1610 | * Redirected clients get clip list equal to their |
| 1611 | * own geometry, not clipped to their parent |
| 1612 | */ |
| 1613 | box.x1 = pWin->drawable.x; |
| 1614 | box.y1 = pWin->drawable.y; |
| 1615 | box.x2 = pWin->drawable.x + pWin->drawable.width; |
| 1616 | box.y2 = pWin->drawable.y + pWin->drawable.height; |
| 1617 | RegionReset(&pWin->winSize, &box); |
| 1618 | } |
| 1619 | else |
| 1620 | #endif |
| 1621 | ClippedRegionFromBox(pWin->parent, &pWin->winSize, |
| 1622 | pWin->drawable.x, pWin->drawable.y, |
| 1623 | (int) pWin->drawable.width, |
| 1624 | (int) pWin->drawable.height); |
| 1625 | if (wBoundingShape(pWin) || wClipShape(pWin)) { |
| 1626 | RegionTranslate(&pWin->winSize, -pWin->drawable.x, -pWin->drawable.y); |
| 1627 | if (wBoundingShape(pWin)) |
| 1628 | RegionIntersect(&pWin->winSize, &pWin->winSize, |
| 1629 | wBoundingShape(pWin)); |
| 1630 | if (wClipShape(pWin)) |
| 1631 | RegionIntersect(&pWin->winSize, &pWin->winSize, wClipShape(pWin)); |
| 1632 | RegionTranslate(&pWin->winSize, pWin->drawable.x, pWin->drawable.y); |
| 1633 | } |
| 1634 | } |
| 1635 | |
| 1636 | void |
| 1637 | SetBorderSize(WindowPtr pWin) |
| 1638 | { |
| 1639 | int bw; |
| 1640 | |
| 1641 | if (HasBorder(pWin)) { |
| 1642 | bw = wBorderWidth(pWin); |
| 1643 | #ifdef COMPOSITE |
| 1644 | if (pWin->redirectDraw != RedirectDrawNone) { |
| 1645 | BoxRec box; |
| 1646 | |
| 1647 | /* |
| 1648 | * Redirected clients get clip list equal to their |
| 1649 | * own geometry, not clipped to their parent |
| 1650 | */ |
| 1651 | box.x1 = pWin->drawable.x - bw; |
| 1652 | box.y1 = pWin->drawable.y - bw; |
| 1653 | box.x2 = pWin->drawable.x + pWin->drawable.width + bw; |
| 1654 | box.y2 = pWin->drawable.y + pWin->drawable.height + bw; |
| 1655 | RegionReset(&pWin->borderSize, &box); |
| 1656 | } |
| 1657 | else |
| 1658 | #endif |
| 1659 | ClippedRegionFromBox(pWin->parent, &pWin->borderSize, |
| 1660 | pWin->drawable.x - bw, pWin->drawable.y - bw, |
| 1661 | (int) (pWin->drawable.width + (bw << 1)), |
| 1662 | (int) (pWin->drawable.height + (bw << 1))); |
| 1663 | if (wBoundingShape(pWin)) { |
| 1664 | RegionTranslate(&pWin->borderSize, -pWin->drawable.x, |
| 1665 | -pWin->drawable.y); |
| 1666 | RegionIntersect(&pWin->borderSize, &pWin->borderSize, |
| 1667 | wBoundingShape(pWin)); |
| 1668 | RegionTranslate(&pWin->borderSize, pWin->drawable.x, |
| 1669 | pWin->drawable.y); |
| 1670 | RegionUnion(&pWin->borderSize, &pWin->borderSize, &pWin->winSize); |
| 1671 | } |
| 1672 | } |
| 1673 | else { |
| 1674 | RegionCopy(&pWin->borderSize, &pWin->winSize); |
| 1675 | } |
| 1676 | } |
| 1677 | |
| 1678 | /** |
| 1679 | * |
| 1680 | * \param x,y new window position |
| 1681 | * \param oldx,oldy old window position |
| 1682 | * \param destx,desty position relative to gravity |
| 1683 | */ |
| 1684 | |
| 1685 | void |
| 1686 | GravityTranslate(int x, int y, int oldx, int oldy, |
| 1687 | int dw, int dh, unsigned gravity, int *destx, int *desty) |
| 1688 | { |
| 1689 | switch (gravity) { |
| 1690 | case NorthGravity: |
| 1691 | *destx = x + dw / 2; |
| 1692 | *desty = y; |
| 1693 | break; |
| 1694 | case NorthEastGravity: |
| 1695 | *destx = x + dw; |
| 1696 | *desty = y; |
| 1697 | break; |
| 1698 | case WestGravity: |
| 1699 | *destx = x; |
| 1700 | *desty = y + dh / 2; |
| 1701 | break; |
| 1702 | case CenterGravity: |
| 1703 | *destx = x + dw / 2; |
| 1704 | *desty = y + dh / 2; |
| 1705 | break; |
| 1706 | case EastGravity: |
| 1707 | *destx = x + dw; |
| 1708 | *desty = y + dh / 2; |
| 1709 | break; |
| 1710 | case SouthWestGravity: |
| 1711 | *destx = x; |
| 1712 | *desty = y + dh; |
| 1713 | break; |
| 1714 | case SouthGravity: |
| 1715 | *destx = x + dw / 2; |
| 1716 | *desty = y + dh; |
| 1717 | break; |
| 1718 | case SouthEastGravity: |
| 1719 | *destx = x + dw; |
| 1720 | *desty = y + dh; |
| 1721 | break; |
| 1722 | case StaticGravity: |
| 1723 | *destx = oldx; |
| 1724 | *desty = oldy; |
| 1725 | break; |
| 1726 | default: |
| 1727 | *destx = x; |
| 1728 | *desty = y; |
| 1729 | break; |
| 1730 | } |
| 1731 | } |
| 1732 | |
| 1733 | /* XXX need to retile border on each window with ParentRelative origin */ |
| 1734 | void |
| 1735 | ResizeChildrenWinSize(WindowPtr pWin, int dx, int dy, int dw, int dh) |
| 1736 | { |
| 1737 | ScreenPtr pScreen; |
| 1738 | WindowPtr pSib, pChild; |
| 1739 | Bool resized = (dw || dh); |
| 1740 | |
| 1741 | pScreen = pWin->drawable.pScreen; |
| 1742 | |
| 1743 | for (pSib = pWin->firstChild; pSib; pSib = pSib->nextSib) { |
| 1744 | if (resized && (pSib->winGravity > NorthWestGravity)) { |
| 1745 | int cwsx, cwsy; |
| 1746 | |
| 1747 | cwsx = pSib->origin.x; |
| 1748 | cwsy = pSib->origin.y; |
| 1749 | GravityTranslate(cwsx, cwsy, cwsx - dx, cwsy - dy, dw, dh, |
| 1750 | pSib->winGravity, &cwsx, &cwsy); |
| 1751 | if (cwsx != pSib->origin.x || cwsy != pSib->origin.y) { |
| 1752 | xEvent event = { |
| 1753 | .u.gravity.window = pSib->drawable.id, |
| 1754 | .u.gravity.x = cwsx - wBorderWidth(pSib), |
| 1755 | .u.gravity.y = cwsy - wBorderWidth(pSib) |
| 1756 | }; |
| 1757 | event.u.u.type = GravityNotify; |
| 1758 | DeliverEvents(pSib, &event, 1, NullWindow); |
| 1759 | pSib->origin.x = cwsx; |
| 1760 | pSib->origin.y = cwsy; |
| 1761 | } |
| 1762 | } |
| 1763 | pSib->drawable.x = pWin->drawable.x + pSib->origin.x; |
| 1764 | pSib->drawable.y = pWin->drawable.y + pSib->origin.y; |
| 1765 | SetWinSize(pSib); |
| 1766 | SetBorderSize(pSib); |
| 1767 | (*pScreen->PositionWindow) (pSib, pSib->drawable.x, pSib->drawable.y); |
| 1768 | |
| 1769 | if ((pChild = pSib->firstChild)) { |
| 1770 | while (1) { |
| 1771 | pChild->drawable.x = pChild->parent->drawable.x + |
| 1772 | pChild->origin.x; |
| 1773 | pChild->drawable.y = pChild->parent->drawable.y + |
| 1774 | pChild->origin.y; |
| 1775 | SetWinSize(pChild); |
| 1776 | SetBorderSize(pChild); |
| 1777 | (*pScreen->PositionWindow) (pChild, |
| 1778 | pChild->drawable.x, |
| 1779 | pChild->drawable.y); |
| 1780 | if (pChild->firstChild) { |
| 1781 | pChild = pChild->firstChild; |
| 1782 | continue; |
| 1783 | } |
| 1784 | while (!pChild->nextSib && (pChild != pSib)) |
| 1785 | pChild = pChild->parent; |
| 1786 | if (pChild == pSib) |
| 1787 | break; |
| 1788 | pChild = pChild->nextSib; |
| 1789 | } |
| 1790 | } |
| 1791 | } |
| 1792 | } |
| 1793 | |
| 1794 | #define GET_INT16(m, f) \ |
| 1795 | if (m & mask) \ |
| 1796 | { \ |
| 1797 | f = (INT16) *pVlist;\ |
| 1798 | pVlist++; \ |
| 1799 | } |
| 1800 | #define GET_CARD16(m, f) \ |
| 1801 | if (m & mask) \ |
| 1802 | { \ |
| 1803 | f = (CARD16) *pVlist;\ |
| 1804 | pVlist++;\ |
| 1805 | } |
| 1806 | |
| 1807 | #define GET_CARD8(m, f) \ |
| 1808 | if (m & mask) \ |
| 1809 | { \ |
| 1810 | f = (CARD8) *pVlist;\ |
| 1811 | pVlist++;\ |
| 1812 | } |
| 1813 | |
| 1814 | #define ChangeMask ((Mask)(CWX | CWY | CWWidth | CWHeight)) |
| 1815 | |
| 1816 | #define IllegalInputOnlyConfigureMask (CWBorderWidth) |
| 1817 | |
| 1818 | /* |
| 1819 | * IsSiblingAboveMe |
| 1820 | * returns Above if pSib above pMe in stack or Below otherwise |
| 1821 | */ |
| 1822 | |
| 1823 | static int |
| 1824 | IsSiblingAboveMe(WindowPtr pMe, WindowPtr pSib) |
| 1825 | { |
| 1826 | WindowPtr pWin; |
| 1827 | |
| 1828 | pWin = pMe->parent->firstChild; |
| 1829 | while (pWin) { |
| 1830 | if (pWin == pSib) |
| 1831 | return Above; |
| 1832 | else if (pWin == pMe) |
| 1833 | return Below; |
| 1834 | pWin = pWin->nextSib; |
| 1835 | } |
| 1836 | return Below; |
| 1837 | } |
| 1838 | |
| 1839 | static BoxPtr |
| 1840 | WindowExtents(WindowPtr pWin, BoxPtr pBox) |
| 1841 | { |
| 1842 | pBox->x1 = pWin->drawable.x - wBorderWidth(pWin); |
| 1843 | pBox->y1 = pWin->drawable.y - wBorderWidth(pWin); |
| 1844 | pBox->x2 = pWin->drawable.x + (int) pWin->drawable.width |
| 1845 | + wBorderWidth(pWin); |
| 1846 | pBox->y2 = pWin->drawable.y + (int) pWin->drawable.height |
| 1847 | + wBorderWidth(pWin); |
| 1848 | return pBox; |
| 1849 | } |
| 1850 | |
| 1851 | #define IS_SHAPED(pWin) (wBoundingShape (pWin) != (RegionPtr) NULL) |
| 1852 | |
| 1853 | static RegionPtr |
| 1854 | MakeBoundingRegion(WindowPtr pWin, BoxPtr pBox) |
| 1855 | { |
| 1856 | RegionPtr pRgn = RegionCreate(pBox, 1); |
| 1857 | |
| 1858 | if (wBoundingShape(pWin)) { |
| 1859 | RegionTranslate(pRgn, -pWin->origin.x, -pWin->origin.y); |
| 1860 | RegionIntersect(pRgn, pRgn, wBoundingShape(pWin)); |
| 1861 | RegionTranslate(pRgn, pWin->origin.x, pWin->origin.y); |
| 1862 | } |
| 1863 | return pRgn; |
| 1864 | } |
| 1865 | |
| 1866 | static Bool |
| 1867 | ShapeOverlap(WindowPtr pWin, BoxPtr pWinBox, WindowPtr pSib, BoxPtr pSibBox) |
| 1868 | { |
| 1869 | RegionPtr pWinRgn, pSibRgn; |
| 1870 | Bool ret; |
| 1871 | |
| 1872 | if (!IS_SHAPED(pWin) && !IS_SHAPED(pSib)) |
| 1873 | return TRUE; |
| 1874 | pWinRgn = MakeBoundingRegion(pWin, pWinBox); |
| 1875 | pSibRgn = MakeBoundingRegion(pSib, pSibBox); |
| 1876 | RegionIntersect(pWinRgn, pWinRgn, pSibRgn); |
| 1877 | ret = RegionNotEmpty(pWinRgn); |
| 1878 | RegionDestroy(pWinRgn); |
| 1879 | RegionDestroy(pSibRgn); |
| 1880 | return ret; |
| 1881 | } |
| 1882 | |
| 1883 | static Bool |
| 1884 | AnyWindowOverlapsMe(WindowPtr pWin, WindowPtr pHead, BoxPtr box) |
| 1885 | { |
| 1886 | WindowPtr pSib; |
| 1887 | BoxRec sboxrec; |
| 1888 | BoxPtr sbox; |
| 1889 | |
| 1890 | for (pSib = pWin->prevSib; pSib != pHead; pSib = pSib->prevSib) { |
| 1891 | if (pSib->mapped) { |
| 1892 | sbox = WindowExtents(pSib, &sboxrec); |
| 1893 | if (BOXES_OVERLAP(sbox, box) |
| 1894 | && ShapeOverlap(pWin, box, pSib, sbox)) |
| 1895 | return TRUE; |
| 1896 | } |
| 1897 | } |
| 1898 | return FALSE; |
| 1899 | } |
| 1900 | |
| 1901 | static Bool |
| 1902 | IOverlapAnyWindow(WindowPtr pWin, BoxPtr box) |
| 1903 | { |
| 1904 | WindowPtr pSib; |
| 1905 | BoxRec sboxrec; |
| 1906 | BoxPtr sbox; |
| 1907 | |
| 1908 | for (pSib = pWin->nextSib; pSib; pSib = pSib->nextSib) { |
| 1909 | if (pSib->mapped) { |
| 1910 | sbox = WindowExtents(pSib, &sboxrec); |
| 1911 | if (BOXES_OVERLAP(sbox, box) |
| 1912 | && ShapeOverlap(pWin, box, pSib, sbox)) |
| 1913 | return TRUE; |
| 1914 | } |
| 1915 | } |
| 1916 | return FALSE; |
| 1917 | } |
| 1918 | |
| 1919 | /* |
| 1920 | * WhereDoIGoInTheStack() |
| 1921 | * Given pWin and pSib and the relationshipe smode, return |
| 1922 | * the window that pWin should go ABOVE. |
| 1923 | * If a pSib is specified: |
| 1924 | * Above: pWin is placed just above pSib |
| 1925 | * Below: pWin is placed just below pSib |
| 1926 | * TopIf: if pSib occludes pWin, then pWin is placed |
| 1927 | * at the top of the stack |
| 1928 | * BottomIf: if pWin occludes pSib, then pWin is |
| 1929 | * placed at the bottom of the stack |
| 1930 | * Opposite: if pSib occludes pWin, then pWin is placed at the |
| 1931 | * top of the stack, else if pWin occludes pSib, then |
| 1932 | * pWin is placed at the bottom of the stack |
| 1933 | * |
| 1934 | * If pSib is NULL: |
| 1935 | * Above: pWin is placed at the top of the stack |
| 1936 | * Below: pWin is placed at the bottom of the stack |
| 1937 | * TopIf: if any sibling occludes pWin, then pWin is placed at |
| 1938 | * the top of the stack |
| 1939 | * BottomIf: if pWin occludes any sibline, then pWin is placed at |
| 1940 | * the bottom of the stack |
| 1941 | * Opposite: if any sibling occludes pWin, then pWin is placed at |
| 1942 | * the top of the stack, else if pWin occludes any |
| 1943 | * sibling, then pWin is placed at the bottom of the stack |
| 1944 | * |
| 1945 | */ |
| 1946 | |
| 1947 | static WindowPtr |
| 1948 | WhereDoIGoInTheStack(WindowPtr pWin, |
| 1949 | WindowPtr pSib, |
| 1950 | short x, |
| 1951 | short y, unsigned short w, unsigned short h, int smode) |
| 1952 | { |
| 1953 | BoxRec box; |
| 1954 | WindowPtr pHead, pFirst; |
| 1955 | |
| 1956 | if ((pWin == pWin->parent->firstChild) && (pWin == pWin->parent->lastChild)) |
| 1957 | return ((WindowPtr) NULL); |
| 1958 | pHead = RealChildHead(pWin->parent); |
| 1959 | pFirst = pHead ? pHead->nextSib : pWin->parent->firstChild; |
| 1960 | box.x1 = x; |
| 1961 | box.y1 = y; |
| 1962 | box.x2 = x + (int) w; |
| 1963 | box.y2 = y + (int) h; |
| 1964 | switch (smode) { |
| 1965 | case Above: |
| 1966 | if (pSib) |
| 1967 | return pSib; |
| 1968 | else if (pWin == pFirst) |
| 1969 | return pWin->nextSib; |
| 1970 | else |
| 1971 | return pFirst; |
| 1972 | case Below: |
| 1973 | if (pSib) |
| 1974 | if (pSib->nextSib != pWin) |
| 1975 | return pSib->nextSib; |
| 1976 | else |
| 1977 | return pWin->nextSib; |
| 1978 | else |
| 1979 | return NullWindow; |
| 1980 | case TopIf: |
| 1981 | if ((!pWin->mapped || (pSib && !pSib->mapped))) |
| 1982 | return pWin->nextSib; |
| 1983 | else if (pSib) { |
| 1984 | if ((IsSiblingAboveMe(pWin, pSib) == Above) && |
| 1985 | (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT)) |
| 1986 | return pFirst; |
| 1987 | else |
| 1988 | return pWin->nextSib; |
| 1989 | } |
| 1990 | else if (AnyWindowOverlapsMe(pWin, pHead, &box)) |
| 1991 | return pFirst; |
| 1992 | else |
| 1993 | return pWin->nextSib; |
| 1994 | case BottomIf: |
| 1995 | if ((!pWin->mapped || (pSib && !pSib->mapped))) |
| 1996 | return pWin->nextSib; |
| 1997 | else if (pSib) { |
| 1998 | if ((IsSiblingAboveMe(pWin, pSib) == Below) && |
| 1999 | (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT)) |
| 2000 | return NullWindow; |
| 2001 | else |
| 2002 | return pWin->nextSib; |
| 2003 | } |
| 2004 | else if (IOverlapAnyWindow(pWin, &box)) |
| 2005 | return NullWindow; |
| 2006 | else |
| 2007 | return pWin->nextSib; |
| 2008 | case Opposite: |
| 2009 | if ((!pWin->mapped || (pSib && !pSib->mapped))) |
| 2010 | return pWin->nextSib; |
| 2011 | else if (pSib) { |
| 2012 | if (RegionContainsRect(&pSib->borderSize, &box) != rgnOUT) { |
| 2013 | if (IsSiblingAboveMe(pWin, pSib) == Above) |
| 2014 | return pFirst; |
| 2015 | else |
| 2016 | return NullWindow; |
| 2017 | } |
| 2018 | else |
| 2019 | return pWin->nextSib; |
| 2020 | } |
| 2021 | else if (AnyWindowOverlapsMe(pWin, pHead, &box)) { |
| 2022 | /* If I'm occluded, I can't possibly be the first child |
| 2023 | * if (pWin == pWin->parent->firstChild) |
| 2024 | * return pWin->nextSib; |
| 2025 | */ |
| 2026 | return pFirst; |
| 2027 | } |
| 2028 | else if (IOverlapAnyWindow(pWin, &box)) |
| 2029 | return NullWindow; |
| 2030 | else |
| 2031 | return pWin->nextSib; |
| 2032 | default: |
| 2033 | { |
| 2034 | /* should never happen; make something up. */ |
| 2035 | return pWin->nextSib; |
| 2036 | } |
| 2037 | } |
| 2038 | } |
| 2039 | |
| 2040 | static void |
| 2041 | ReflectStackChange(WindowPtr pWin, WindowPtr pSib, VTKind kind) |
| 2042 | { |
| 2043 | /* Note that pSib might be NULL */ |
| 2044 | |
| 2045 | Bool WasViewable = (Bool) pWin->viewable; |
| 2046 | Bool anyMarked; |
| 2047 | WindowPtr pFirstChange; |
| 2048 | WindowPtr pLayerWin; |
| 2049 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 2050 | |
| 2051 | /* if this is a root window, can't be restacked */ |
| 2052 | if (!pWin->parent) |
| 2053 | return; |
| 2054 | |
| 2055 | pFirstChange = MoveWindowInStack(pWin, pSib); |
| 2056 | |
| 2057 | if (WasViewable) { |
| 2058 | anyMarked = (*pScreen->MarkOverlappedWindows) (pWin, pFirstChange, |
| 2059 | &pLayerWin); |
| 2060 | if (pLayerWin != pWin) |
| 2061 | pFirstChange = pLayerWin; |
| 2062 | if (anyMarked) { |
| 2063 | (*pScreen->ValidateTree) (pLayerWin->parent, pFirstChange, kind); |
| 2064 | (*pScreen->HandleExposures) (pLayerWin->parent); |
| 2065 | } |
| 2066 | if (anyMarked && pWin->drawable.pScreen->PostValidateTree) |
| 2067 | (*pScreen->PostValidateTree) (pLayerWin->parent, pFirstChange, |
| 2068 | kind); |
| 2069 | } |
| 2070 | if (pWin->realized) |
| 2071 | WindowsRestructured(); |
| 2072 | } |
| 2073 | |
| 2074 | /***** |
| 2075 | * ConfigureWindow |
| 2076 | *****/ |
| 2077 | |
| 2078 | int |
| 2079 | ConfigureWindow(WindowPtr pWin, Mask mask, XID *vlist, ClientPtr client) |
| 2080 | { |
| 2081 | #define RESTACK_WIN 0 |
| 2082 | #define MOVE_WIN 1 |
| 2083 | #define RESIZE_WIN 2 |
| 2084 | #define REBORDER_WIN 3 |
| 2085 | WindowPtr pSib = NullWindow; |
| 2086 | WindowPtr pParent = pWin->parent; |
| 2087 | Window sibwid = 0; |
| 2088 | Mask index2, tmask; |
| 2089 | XID *pVlist; |
| 2090 | short x, y, beforeX, beforeY; |
| 2091 | unsigned short w = pWin->drawable.width, |
| 2092 | h = pWin->drawable.height, bw = pWin->borderWidth; |
| 2093 | int rc, action, smode = Above; |
| 2094 | |
| 2095 | if ((pWin->drawable.class == InputOnly) && |
| 2096 | (mask & IllegalInputOnlyConfigureMask)) |
| 2097 | return BadMatch; |
| 2098 | |
| 2099 | if ((mask & CWSibling) && !(mask & CWStackMode)) |
| 2100 | return BadMatch; |
| 2101 | |
| 2102 | pVlist = vlist; |
| 2103 | |
| 2104 | if (pParent) { |
| 2105 | x = pWin->drawable.x - pParent->drawable.x - (int) bw; |
| 2106 | y = pWin->drawable.y - pParent->drawable.y - (int) bw; |
| 2107 | } |
| 2108 | else { |
| 2109 | x = pWin->drawable.x; |
| 2110 | y = pWin->drawable.y; |
| 2111 | } |
| 2112 | beforeX = x; |
| 2113 | beforeY = y; |
| 2114 | action = RESTACK_WIN; |
| 2115 | if ((mask & (CWX | CWY)) && (!(mask & (CWHeight | CWWidth)))) { |
| 2116 | GET_INT16(CWX, x); |
| 2117 | GET_INT16(CWY, y); |
| 2118 | action = MOVE_WIN; |
| 2119 | } |
| 2120 | /* or should be resized */ |
| 2121 | else if (mask & (CWX | CWY | CWWidth | CWHeight)) { |
| 2122 | GET_INT16(CWX, x); |
| 2123 | GET_INT16(CWY, y); |
| 2124 | GET_CARD16(CWWidth, w); |
| 2125 | GET_CARD16(CWHeight, h); |
| 2126 | if (!w || !h) { |
| 2127 | client->errorValue = 0; |
| 2128 | return BadValue; |
| 2129 | } |
| 2130 | action = RESIZE_WIN; |
| 2131 | } |
| 2132 | tmask = mask & ~ChangeMask; |
| 2133 | while (tmask) { |
| 2134 | index2 = (Mask) lowbit(tmask); |
| 2135 | tmask &= ~index2; |
| 2136 | switch (index2) { |
| 2137 | case CWBorderWidth: |
| 2138 | GET_CARD16(CWBorderWidth, bw); |
| 2139 | break; |
| 2140 | case CWSibling: |
| 2141 | sibwid = (Window) *pVlist; |
| 2142 | pVlist++; |
| 2143 | rc = dixLookupWindow(&pSib, sibwid, client, DixGetAttrAccess); |
| 2144 | if (rc != Success) { |
| 2145 | client->errorValue = sibwid; |
| 2146 | return rc; |
| 2147 | } |
| 2148 | if (pSib->parent != pParent) |
| 2149 | return BadMatch; |
| 2150 | if (pSib == pWin) |
| 2151 | return BadMatch; |
| 2152 | break; |
| 2153 | case CWStackMode: |
| 2154 | GET_CARD8(CWStackMode, smode); |
| 2155 | if ((smode != TopIf) && (smode != BottomIf) && |
| 2156 | (smode != Opposite) && (smode != Above) && (smode != Below)) { |
| 2157 | client->errorValue = smode; |
| 2158 | return BadValue; |
| 2159 | } |
| 2160 | break; |
| 2161 | default: |
| 2162 | client->errorValue = mask; |
| 2163 | return BadValue; |
| 2164 | } |
| 2165 | } |
| 2166 | /* root really can't be reconfigured, so just return */ |
| 2167 | if (!pParent) |
| 2168 | return Success; |
| 2169 | |
| 2170 | /* Figure out if the window should be moved. Doesnt |
| 2171 | make the changes to the window if event sent */ |
| 2172 | |
| 2173 | if (mask & CWStackMode) |
| 2174 | pSib = WhereDoIGoInTheStack(pWin, pSib, pParent->drawable.x + x, |
| 2175 | pParent->drawable.y + y, |
| 2176 | w + (bw << 1), h + (bw << 1), smode); |
| 2177 | else |
| 2178 | pSib = pWin->nextSib; |
| 2179 | |
| 2180 | if ((!pWin->overrideRedirect) && (RedirectSend(pParent))) { |
| 2181 | xEvent event = { |
| 2182 | .u.configureRequest.window = pWin->drawable.id, |
| 2183 | .u.configureRequest.sibling = (mask & CWSibling) ? sibwid : None, |
| 2184 | .u.configureRequest.x = x, |
| 2185 | .u.configureRequest.y = y, |
| 2186 | .u.configureRequest.width = w, |
| 2187 | .u.configureRequest.height = h, |
| 2188 | .u.configureRequest.borderWidth = bw, |
| 2189 | .u.configureRequest.valueMask = mask, |
| 2190 | .u.configureRequest.parent = pParent->drawable.id |
| 2191 | }; |
| 2192 | event.u.u.type = ConfigureRequest; |
| 2193 | event.u.u.detail = (mask & CWStackMode) ? smode : Above; |
| 2194 | #ifdef PANORAMIX |
| 2195 | if (!noPanoramiXExtension && (!pParent || !pParent->parent)) { |
| 2196 | event.u.configureRequest.x += screenInfo.screens[0]->x; |
| 2197 | event.u.configureRequest.y += screenInfo.screens[0]->y; |
| 2198 | } |
| 2199 | #endif |
| 2200 | if (MaybeDeliverEventsToClient(pParent, &event, 1, |
| 2201 | SubstructureRedirectMask, client) == 1) |
| 2202 | return Success; |
| 2203 | } |
| 2204 | if (action == RESIZE_WIN) { |
| 2205 | Bool size_change = (w != pWin->drawable.width) |
| 2206 | || (h != pWin->drawable.height); |
| 2207 | |
| 2208 | if (size_change && |
| 2209 | ((pWin->eventMask | wOtherEventMasks(pWin)) & ResizeRedirectMask)) { |
| 2210 | xEvent eventT = { |
| 2211 | .u.resizeRequest.window = pWin->drawable.id, |
| 2212 | .u.resizeRequest.width = w, |
| 2213 | .u.resizeRequest.height = h |
| 2214 | }; |
| 2215 | eventT.u.u.type = ResizeRequest; |
| 2216 | if (MaybeDeliverEventsToClient(pWin, &eventT, 1, |
| 2217 | ResizeRedirectMask, client) == 1) { |
| 2218 | /* if event is delivered, leave the actual size alone. */ |
| 2219 | w = pWin->drawable.width; |
| 2220 | h = pWin->drawable.height; |
| 2221 | size_change = FALSE; |
| 2222 | } |
| 2223 | } |
| 2224 | if (!size_change) { |
| 2225 | if (mask & (CWX | CWY)) |
| 2226 | action = MOVE_WIN; |
| 2227 | else if (mask & (CWStackMode | CWBorderWidth)) |
| 2228 | action = RESTACK_WIN; |
| 2229 | else /* really nothing to do */ |
| 2230 | return (Success); |
| 2231 | } |
| 2232 | } |
| 2233 | |
| 2234 | if (action == RESIZE_WIN) |
| 2235 | /* we've already checked whether there's really a size change */ |
| 2236 | goto ActuallyDoSomething; |
| 2237 | if ((mask & CWX) && (x != beforeX)) |
| 2238 | goto ActuallyDoSomething; |
| 2239 | if ((mask & CWY) && (y != beforeY)) |
| 2240 | goto ActuallyDoSomething; |
| 2241 | if ((mask & CWBorderWidth) && (bw != wBorderWidth(pWin))) |
| 2242 | goto ActuallyDoSomething; |
| 2243 | if (mask & CWStackMode) { |
| 2244 | #ifndef ROOTLESS |
| 2245 | /* See above for why we always reorder in rootless mode. */ |
| 2246 | if (pWin->nextSib != pSib) |
| 2247 | #endif |
| 2248 | goto ActuallyDoSomething; |
| 2249 | } |
| 2250 | return Success; |
| 2251 | |
| 2252 | ActuallyDoSomething: |
| 2253 | if (pWin->drawable.pScreen->ConfigNotify) { |
| 2254 | int ret; |
| 2255 | |
| 2256 | ret = |
| 2257 | (*pWin->drawable.pScreen->ConfigNotify) (pWin, x, y, w, h, bw, |
| 2258 | pSib); |
| 2259 | if (ret) { |
| 2260 | client->errorValue = 0; |
| 2261 | return ret; |
| 2262 | } |
| 2263 | } |
| 2264 | |
| 2265 | if (SubStrSend(pWin, pParent)) { |
| 2266 | xEvent event = { |
| 2267 | .u.configureNotify.window = pWin->drawable.id, |
| 2268 | .u.configureNotify.aboveSibling = pSib ? pSib->drawable.id : None, |
| 2269 | .u.configureNotify.x = x, |
| 2270 | .u.configureNotify.y = y, |
| 2271 | .u.configureNotify.width = w, |
| 2272 | .u.configureNotify.height = h, |
| 2273 | .u.configureNotify.borderWidth = bw, |
| 2274 | .u.configureNotify.override = pWin->overrideRedirect |
| 2275 | }; |
| 2276 | event.u.u.type = ConfigureNotify; |
| 2277 | #ifdef PANORAMIX |
| 2278 | if (!noPanoramiXExtension && (!pParent || !pParent->parent)) { |
| 2279 | event.u.configureNotify.x += screenInfo.screens[0]->x; |
| 2280 | event.u.configureNotify.y += screenInfo.screens[0]->y; |
| 2281 | } |
| 2282 | #endif |
| 2283 | DeliverEvents(pWin, &event, 1, NullWindow); |
| 2284 | } |
| 2285 | if (mask & CWBorderWidth) { |
| 2286 | if (action == RESTACK_WIN) { |
| 2287 | action = MOVE_WIN; |
| 2288 | pWin->borderWidth = bw; |
| 2289 | } |
| 2290 | else if ((action == MOVE_WIN) && |
| 2291 | (beforeX + wBorderWidth(pWin) == x + (int) bw) && |
| 2292 | (beforeY + wBorderWidth(pWin) == y + (int) bw)) { |
| 2293 | action = REBORDER_WIN; |
| 2294 | (*pWin->drawable.pScreen->ChangeBorderWidth) (pWin, bw); |
| 2295 | } |
| 2296 | else |
| 2297 | pWin->borderWidth = bw; |
| 2298 | } |
| 2299 | if (action == MOVE_WIN) |
| 2300 | (*pWin->drawable.pScreen->MoveWindow) (pWin, x, y, pSib, |
| 2301 | (mask & CWBorderWidth) ? VTOther |
| 2302 | : VTMove); |
| 2303 | else if (action == RESIZE_WIN) |
| 2304 | (*pWin->drawable.pScreen->ResizeWindow) (pWin, x, y, w, h, pSib); |
| 2305 | else if (mask & CWStackMode) |
| 2306 | ReflectStackChange(pWin, pSib, VTOther); |
| 2307 | |
| 2308 | if (action != RESTACK_WIN) |
| 2309 | CheckCursorConfinement(pWin); |
| 2310 | return Success; |
| 2311 | #undef RESTACK_WIN |
| 2312 | #undef MOVE_WIN |
| 2313 | #undef RESIZE_WIN |
| 2314 | #undef REBORDER_WIN |
| 2315 | } |
| 2316 | |
| 2317 | /****** |
| 2318 | * |
| 2319 | * CirculateWindow |
| 2320 | * For RaiseLowest, raises the lowest mapped child (if any) that is |
| 2321 | * obscured by another child to the top of the stack. For LowerHighest, |
| 2322 | * lowers the highest mapped child (if any) that is obscuring another |
| 2323 | * child to the bottom of the stack. Exposure processing is performed |
| 2324 | * |
| 2325 | ******/ |
| 2326 | |
| 2327 | int |
| 2328 | CirculateWindow(WindowPtr pParent, int direction, ClientPtr client) |
| 2329 | { |
| 2330 | WindowPtr pWin, pHead, pFirst; |
| 2331 | xEvent event; |
| 2332 | BoxRec box; |
| 2333 | |
| 2334 | pHead = RealChildHead(pParent); |
| 2335 | pFirst = pHead ? pHead->nextSib : pParent->firstChild; |
| 2336 | if (direction == RaiseLowest) { |
| 2337 | for (pWin = pParent->lastChild; |
| 2338 | (pWin != pHead) && |
| 2339 | !(pWin->mapped && |
| 2340 | AnyWindowOverlapsMe(pWin, pHead, WindowExtents(pWin, &box))); |
| 2341 | pWin = pWin->prevSib); |
| 2342 | if (pWin == pHead) |
| 2343 | return Success; |
| 2344 | } |
| 2345 | else { |
| 2346 | for (pWin = pFirst; |
| 2347 | pWin && |
| 2348 | !(pWin->mapped && |
| 2349 | IOverlapAnyWindow(pWin, WindowExtents(pWin, &box))); |
| 2350 | pWin = pWin->nextSib); |
| 2351 | if (!pWin) |
| 2352 | return Success; |
| 2353 | } |
| 2354 | |
| 2355 | event = (xEvent) { |
| 2356 | .u.circulate.window = pWin->drawable.id, |
| 2357 | .u.circulate.parent = pParent->drawable.id, |
| 2358 | .u.circulate.event = pParent->drawable.id, |
| 2359 | .u.circulate.place = (direction == RaiseLowest) ? |
| 2360 | PlaceOnTop : PlaceOnBottom, |
| 2361 | }; |
| 2362 | |
| 2363 | if (RedirectSend(pParent)) { |
| 2364 | event.u.u.type = CirculateRequest; |
| 2365 | if (MaybeDeliverEventsToClient(pParent, &event, 1, |
| 2366 | SubstructureRedirectMask, client) == 1) |
| 2367 | return Success; |
| 2368 | } |
| 2369 | |
| 2370 | event.u.u.type = CirculateNotify; |
| 2371 | DeliverEvents(pWin, &event, 1, NullWindow); |
| 2372 | ReflectStackChange(pWin, |
| 2373 | (direction == RaiseLowest) ? pFirst : NullWindow, |
| 2374 | VTStack); |
| 2375 | |
| 2376 | return Success; |
| 2377 | } |
| 2378 | |
| 2379 | static int |
| 2380 | CompareWIDs(WindowPtr pWin, pointer value) |
| 2381 | { /* must conform to VisitWindowProcPtr */ |
| 2382 | Window *wid = (Window *) value; |
| 2383 | |
| 2384 | if (pWin->drawable.id == *wid) |
| 2385 | return WT_STOPWALKING; |
| 2386 | else |
| 2387 | return WT_WALKCHILDREN; |
| 2388 | } |
| 2389 | |
| 2390 | /***** |
| 2391 | * ReparentWindow |
| 2392 | *****/ |
| 2393 | |
| 2394 | int |
| 2395 | ReparentWindow(WindowPtr pWin, WindowPtr pParent, |
| 2396 | int x, int y, ClientPtr client) |
| 2397 | { |
| 2398 | WindowPtr pPrev, pPriorParent; |
| 2399 | Bool WasMapped = (Bool) (pWin->mapped); |
| 2400 | xEvent event; |
| 2401 | int bw = wBorderWidth(pWin); |
| 2402 | ScreenPtr pScreen; |
| 2403 | |
| 2404 | pScreen = pWin->drawable.pScreen; |
| 2405 | if (TraverseTree(pWin, CompareWIDs, (pointer) &pParent->drawable.id) == |
| 2406 | WT_STOPWALKING) |
| 2407 | return BadMatch; |
| 2408 | if (!MakeWindowOptional(pWin)) |
| 2409 | return BadAlloc; |
| 2410 | |
| 2411 | if (WasMapped) |
| 2412 | UnmapWindow(pWin, FALSE); |
| 2413 | |
| 2414 | event = (xEvent) { |
| 2415 | .u.reparent.window = pWin->drawable.id, |
| 2416 | .u.reparent.parent = pParent->drawable.id, |
| 2417 | .u.reparent.x = x, |
| 2418 | .u.reparent.y = y, |
| 2419 | .u.reparent.override = pWin->overrideRedirect |
| 2420 | }; |
| 2421 | event.u.u.type = ReparentNotify; |
| 2422 | #ifdef PANORAMIX |
| 2423 | if (!noPanoramiXExtension && !pParent->parent) { |
| 2424 | event.u.reparent.x += screenInfo.screens[0]->x; |
| 2425 | event.u.reparent.y += screenInfo.screens[0]->y; |
| 2426 | } |
| 2427 | #endif |
| 2428 | DeliverEvents(pWin, &event, 1, pParent); |
| 2429 | |
| 2430 | /* take out of sibling chain */ |
| 2431 | |
| 2432 | pPriorParent = pPrev = pWin->parent; |
| 2433 | if (pPrev->firstChild == pWin) |
| 2434 | pPrev->firstChild = pWin->nextSib; |
| 2435 | if (pPrev->lastChild == pWin) |
| 2436 | pPrev->lastChild = pWin->prevSib; |
| 2437 | |
| 2438 | if (pWin->nextSib) |
| 2439 | pWin->nextSib->prevSib = pWin->prevSib; |
| 2440 | if (pWin->prevSib) |
| 2441 | pWin->prevSib->nextSib = pWin->nextSib; |
| 2442 | |
| 2443 | /* insert at begining of pParent */ |
| 2444 | pWin->parent = pParent; |
| 2445 | pPrev = RealChildHead(pParent); |
| 2446 | if (pPrev) { |
| 2447 | pWin->nextSib = pPrev->nextSib; |
| 2448 | if (pPrev->nextSib) |
| 2449 | pPrev->nextSib->prevSib = pWin; |
| 2450 | else |
| 2451 | pParent->lastChild = pWin; |
| 2452 | pPrev->nextSib = pWin; |
| 2453 | pWin->prevSib = pPrev; |
| 2454 | } |
| 2455 | else { |
| 2456 | pWin->nextSib = pParent->firstChild; |
| 2457 | pWin->prevSib = NullWindow; |
| 2458 | if (pParent->firstChild) |
| 2459 | pParent->firstChild->prevSib = pWin; |
| 2460 | else |
| 2461 | pParent->lastChild = pWin; |
| 2462 | pParent->firstChild = pWin; |
| 2463 | } |
| 2464 | |
| 2465 | pWin->origin.x = x + bw; |
| 2466 | pWin->origin.y = y + bw; |
| 2467 | pWin->drawable.x = x + bw + pParent->drawable.x; |
| 2468 | pWin->drawable.y = y + bw + pParent->drawable.y; |
| 2469 | |
| 2470 | /* clip to parent */ |
| 2471 | SetWinSize(pWin); |
| 2472 | SetBorderSize(pWin); |
| 2473 | |
| 2474 | if (pScreen->ReparentWindow) |
| 2475 | (*pScreen->ReparentWindow) (pWin, pPriorParent); |
| 2476 | (*pScreen->PositionWindow) (pWin, pWin->drawable.x, pWin->drawable.y); |
| 2477 | ResizeChildrenWinSize(pWin, 0, 0, 0, 0); |
| 2478 | |
| 2479 | CheckWindowOptionalNeed(pWin); |
| 2480 | |
| 2481 | if (WasMapped) |
| 2482 | MapWindow(pWin, client); |
| 2483 | RecalculateDeliverableEvents(pWin); |
| 2484 | return Success; |
| 2485 | } |
| 2486 | |
| 2487 | static void |
| 2488 | RealizeTree(WindowPtr pWin) |
| 2489 | { |
| 2490 | WindowPtr pChild; |
| 2491 | RealizeWindowProcPtr Realize; |
| 2492 | |
| 2493 | Realize = pWin->drawable.pScreen->RealizeWindow; |
| 2494 | pChild = pWin; |
| 2495 | while (1) { |
| 2496 | if (pChild->mapped) { |
| 2497 | pChild->realized = TRUE; |
| 2498 | pChild->viewable = (pChild->drawable.class == InputOutput); |
| 2499 | (*Realize) (pChild); |
| 2500 | if (pChild->firstChild) { |
| 2501 | pChild = pChild->firstChild; |
| 2502 | continue; |
| 2503 | } |
| 2504 | } |
| 2505 | while (!pChild->nextSib && (pChild != pWin)) |
| 2506 | pChild = pChild->parent; |
| 2507 | if (pChild == pWin) |
| 2508 | return; |
| 2509 | pChild = pChild->nextSib; |
| 2510 | } |
| 2511 | } |
| 2512 | |
| 2513 | static Bool |
| 2514 | MaybeDeliverMapRequest(WindowPtr pWin, WindowPtr pParent, ClientPtr client) |
| 2515 | { |
| 2516 | xEvent event = { |
| 2517 | .u.mapRequest.window = pWin->drawable.id, |
| 2518 | .u.mapRequest.parent = pParent->drawable.id |
| 2519 | }; |
| 2520 | event.u.u.type = MapRequest; |
| 2521 | |
| 2522 | return MaybeDeliverEventsToClient(pParent, &event, 1, |
| 2523 | SubstructureRedirectMask, |
| 2524 | client) == 1; |
| 2525 | } |
| 2526 | |
| 2527 | static void |
| 2528 | DeliverMapNotify(WindowPtr pWin) |
| 2529 | { |
| 2530 | xEvent event = { |
| 2531 | .u.mapNotify.window = pWin->drawable.id, |
| 2532 | .u.mapNotify.override = pWin->overrideRedirect, |
| 2533 | }; |
| 2534 | event.u.u.type = MapNotify; |
| 2535 | DeliverEvents(pWin, &event, 1, NullWindow); |
| 2536 | } |
| 2537 | |
| 2538 | /***** |
| 2539 | * MapWindow |
| 2540 | * If some other client has selected SubStructureReDirect on the parent |
| 2541 | * and override-redirect is xFalse, then a MapRequest event is generated, |
| 2542 | * but the window remains unmapped. Otherwise, the window is mapped and a |
| 2543 | * MapNotify event is generated. |
| 2544 | *****/ |
| 2545 | |
| 2546 | int |
| 2547 | MapWindow(WindowPtr pWin, ClientPtr client) |
| 2548 | { |
| 2549 | ScreenPtr pScreen; |
| 2550 | |
| 2551 | WindowPtr pParent; |
| 2552 | WindowPtr pLayerWin; |
| 2553 | |
| 2554 | if (pWin->mapped) |
| 2555 | return Success; |
| 2556 | |
| 2557 | /* general check for permission to map window */ |
| 2558 | if (XaceHook(XACE_RESOURCE_ACCESS, client, pWin->drawable.id, RT_WINDOW, |
| 2559 | pWin, RT_NONE, NULL, DixShowAccess) != Success) |
| 2560 | return Success; |
| 2561 | |
| 2562 | pScreen = pWin->drawable.pScreen; |
| 2563 | if ((pParent = pWin->parent)) { |
| 2564 | Bool anyMarked; |
| 2565 | |
| 2566 | if ((!pWin->overrideRedirect) && (RedirectSend(pParent))) |
| 2567 | if (MaybeDeliverMapRequest(pWin, pParent, client)) |
| 2568 | return Success; |
| 2569 | |
| 2570 | pWin->mapped = TRUE; |
| 2571 | if (SubStrSend(pWin, pParent)) |
| 2572 | DeliverMapNotify(pWin); |
| 2573 | |
| 2574 | if (!pParent->realized) |
| 2575 | return Success; |
| 2576 | RealizeTree(pWin); |
| 2577 | if (pWin->viewable) { |
| 2578 | anyMarked = (*pScreen->MarkOverlappedWindows) (pWin, pWin, |
| 2579 | &pLayerWin); |
| 2580 | if (anyMarked) { |
| 2581 | (*pScreen->ValidateTree) (pLayerWin->parent, pLayerWin, VTMap); |
| 2582 | (*pScreen->HandleExposures) (pLayerWin->parent); |
| 2583 | } |
| 2584 | if (anyMarked && pScreen->PostValidateTree) |
| 2585 | (*pScreen->PostValidateTree) (pLayerWin->parent, pLayerWin, |
| 2586 | VTMap); |
| 2587 | } |
| 2588 | WindowsRestructured(); |
| 2589 | } |
| 2590 | else { |
| 2591 | RegionRec temp; |
| 2592 | |
| 2593 | pWin->mapped = TRUE; |
| 2594 | pWin->realized = TRUE; /* for roots */ |
| 2595 | pWin->viewable = pWin->drawable.class == InputOutput; |
| 2596 | /* We SHOULD check for an error value here XXX */ |
| 2597 | (*pScreen->RealizeWindow) (pWin); |
| 2598 | if (pScreen->ClipNotify) |
| 2599 | (*pScreen->ClipNotify) (pWin, 0, 0); |
| 2600 | if (pScreen->PostValidateTree) |
| 2601 | (*pScreen->PostValidateTree) (NullWindow, pWin, VTMap); |
| 2602 | RegionNull(&temp); |
| 2603 | RegionCopy(&temp, &pWin->clipList); |
| 2604 | (*pScreen->WindowExposures) (pWin, &temp, NullRegion); |
| 2605 | RegionUninit(&temp); |
| 2606 | } |
| 2607 | |
| 2608 | return Success; |
| 2609 | } |
| 2610 | |
| 2611 | /***** |
| 2612 | * MapSubwindows |
| 2613 | * Performs a MapWindow all unmapped children of the window, in top |
| 2614 | * to bottom stacking order. |
| 2615 | *****/ |
| 2616 | |
| 2617 | void |
| 2618 | MapSubwindows(WindowPtr pParent, ClientPtr client) |
| 2619 | { |
| 2620 | WindowPtr pWin; |
| 2621 | WindowPtr pFirstMapped = NullWindow; |
| 2622 | ScreenPtr pScreen; |
| 2623 | Mask parentRedirect; |
| 2624 | Mask parentNotify; |
| 2625 | Bool anyMarked; |
| 2626 | WindowPtr pLayerWin; |
| 2627 | |
| 2628 | pScreen = pParent->drawable.pScreen; |
| 2629 | parentRedirect = RedirectSend(pParent); |
| 2630 | parentNotify = SubSend(pParent); |
| 2631 | anyMarked = FALSE; |
| 2632 | for (pWin = pParent->firstChild; pWin; pWin = pWin->nextSib) { |
| 2633 | if (!pWin->mapped) { |
| 2634 | if (parentRedirect && !pWin->overrideRedirect) |
| 2635 | if (MaybeDeliverMapRequest(pWin, pParent, client)) |
| 2636 | continue; |
| 2637 | |
| 2638 | pWin->mapped = TRUE; |
| 2639 | if (parentNotify || StrSend(pWin)) |
| 2640 | DeliverMapNotify(pWin); |
| 2641 | |
| 2642 | if (!pFirstMapped) |
| 2643 | pFirstMapped = pWin; |
| 2644 | if (pParent->realized) { |
| 2645 | RealizeTree(pWin); |
| 2646 | if (pWin->viewable) { |
| 2647 | anyMarked |= (*pScreen->MarkOverlappedWindows) (pWin, pWin, |
| 2648 | (WindowPtr |
| 2649 | *) NULL); |
| 2650 | } |
| 2651 | } |
| 2652 | } |
| 2653 | } |
| 2654 | |
| 2655 | if (pFirstMapped) { |
| 2656 | pLayerWin = (*pScreen->GetLayerWindow) (pParent); |
| 2657 | if (pLayerWin->parent != pParent) { |
| 2658 | anyMarked |= (*pScreen->MarkOverlappedWindows) (pLayerWin, |
| 2659 | pLayerWin, |
| 2660 | (WindowPtr *) NULL); |
| 2661 | pFirstMapped = pLayerWin; |
| 2662 | } |
| 2663 | if (anyMarked) { |
| 2664 | (*pScreen->ValidateTree) (pLayerWin->parent, pFirstMapped, VTMap); |
| 2665 | (*pScreen->HandleExposures) (pLayerWin->parent); |
| 2666 | } |
| 2667 | if (anyMarked && pScreen->PostValidateTree) |
| 2668 | (*pScreen->PostValidateTree) (pLayerWin->parent, pFirstMapped, |
| 2669 | VTMap); |
| 2670 | WindowsRestructured(); |
| 2671 | } |
| 2672 | } |
| 2673 | |
| 2674 | static void |
| 2675 | UnrealizeTree(WindowPtr pWin, Bool fromConfigure) |
| 2676 | { |
| 2677 | WindowPtr pChild; |
| 2678 | UnrealizeWindowProcPtr Unrealize; |
| 2679 | MarkUnrealizedWindowProcPtr MarkUnrealizedWindow; |
| 2680 | |
| 2681 | Unrealize = pWin->drawable.pScreen->UnrealizeWindow; |
| 2682 | MarkUnrealizedWindow = pWin->drawable.pScreen->MarkUnrealizedWindow; |
| 2683 | pChild = pWin; |
| 2684 | while (1) { |
| 2685 | if (pChild->realized) { |
| 2686 | pChild->realized = FALSE; |
| 2687 | pChild->visibility = VisibilityNotViewable; |
| 2688 | #ifdef PANORAMIX |
| 2689 | if (!noPanoramiXExtension && !pChild->drawable.pScreen->myNum) { |
| 2690 | PanoramiXRes *win; |
| 2691 | int rc = dixLookupResourceByType((pointer *) &win, |
| 2692 | pChild->drawable.id, |
| 2693 | XRT_WINDOW, |
| 2694 | serverClient, DixWriteAccess); |
| 2695 | |
| 2696 | if (rc == Success) |
| 2697 | win->u.win.visibility = VisibilityNotViewable; |
| 2698 | } |
| 2699 | #endif |
| 2700 | (*Unrealize) (pChild); |
| 2701 | DeleteWindowFromAnyEvents(pChild, FALSE); |
| 2702 | if (pChild->viewable) { |
| 2703 | pChild->viewable = FALSE; |
| 2704 | (*MarkUnrealizedWindow) (pChild, pWin, fromConfigure); |
| 2705 | pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER; |
| 2706 | } |
| 2707 | if (pChild->firstChild) { |
| 2708 | pChild = pChild->firstChild; |
| 2709 | continue; |
| 2710 | } |
| 2711 | } |
| 2712 | while (!pChild->nextSib && (pChild != pWin)) |
| 2713 | pChild = pChild->parent; |
| 2714 | if (pChild == pWin) |
| 2715 | return; |
| 2716 | pChild = pChild->nextSib; |
| 2717 | } |
| 2718 | } |
| 2719 | |
| 2720 | static void |
| 2721 | DeliverUnmapNotify(WindowPtr pWin, Bool fromConfigure) |
| 2722 | { |
| 2723 | xEvent event = { |
| 2724 | .u.unmapNotify.window = pWin->drawable.id, |
| 2725 | .u.unmapNotify.fromConfigure = fromConfigure |
| 2726 | }; |
| 2727 | event.u.u.type = UnmapNotify; |
| 2728 | DeliverEvents(pWin, &event, 1, NullWindow); |
| 2729 | } |
| 2730 | |
| 2731 | /***** |
| 2732 | * UnmapWindow |
| 2733 | * If the window is already unmapped, this request has no effect. |
| 2734 | * Otherwise, the window is unmapped and an UnMapNotify event is |
| 2735 | * generated. Cannot unmap a root window. |
| 2736 | *****/ |
| 2737 | |
| 2738 | int |
| 2739 | UnmapWindow(WindowPtr pWin, Bool fromConfigure) |
| 2740 | { |
| 2741 | WindowPtr pParent; |
| 2742 | Bool wasRealized = (Bool) pWin->realized; |
| 2743 | Bool wasViewable = (Bool) pWin->viewable; |
| 2744 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 2745 | WindowPtr pLayerWin = pWin; |
| 2746 | |
| 2747 | if ((!pWin->mapped) || (!(pParent = pWin->parent))) |
| 2748 | return Success; |
| 2749 | if (SubStrSend(pWin, pParent)) |
| 2750 | DeliverUnmapNotify(pWin, fromConfigure); |
| 2751 | if (wasViewable && !fromConfigure) { |
| 2752 | pWin->valdata = UnmapValData; |
| 2753 | (*pScreen->MarkOverlappedWindows) (pWin, pWin->nextSib, &pLayerWin); |
| 2754 | (*pScreen->MarkWindow) (pLayerWin->parent); |
| 2755 | } |
| 2756 | pWin->mapped = FALSE; |
| 2757 | if (wasRealized) |
| 2758 | UnrealizeTree(pWin, fromConfigure); |
| 2759 | if (wasViewable) { |
| 2760 | if (!fromConfigure) { |
| 2761 | (*pScreen->ValidateTree) (pLayerWin->parent, pWin, VTUnmap); |
| 2762 | (*pScreen->HandleExposures) (pLayerWin->parent); |
| 2763 | } |
| 2764 | if (!fromConfigure && pScreen->PostValidateTree) |
| 2765 | (*pScreen->PostValidateTree) (pLayerWin->parent, pWin, VTUnmap); |
| 2766 | } |
| 2767 | if (wasRealized && !fromConfigure) { |
| 2768 | WindowsRestructured(); |
| 2769 | WindowGone(pWin); |
| 2770 | } |
| 2771 | return Success; |
| 2772 | } |
| 2773 | |
| 2774 | /***** |
| 2775 | * UnmapSubwindows |
| 2776 | * Performs an UnmapWindow request with the specified mode on all mapped |
| 2777 | * children of the window, in bottom to top stacking order. |
| 2778 | *****/ |
| 2779 | |
| 2780 | void |
| 2781 | UnmapSubwindows(WindowPtr pWin) |
| 2782 | { |
| 2783 | WindowPtr pChild, pHead; |
| 2784 | Bool wasRealized = (Bool) pWin->realized; |
| 2785 | Bool wasViewable = (Bool) pWin->viewable; |
| 2786 | Bool anyMarked = FALSE; |
| 2787 | Mask parentNotify; |
| 2788 | WindowPtr pLayerWin = NULL; |
| 2789 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 2790 | |
| 2791 | if (!pWin->firstChild) |
| 2792 | return; |
| 2793 | parentNotify = SubSend(pWin); |
| 2794 | pHead = RealChildHead(pWin); |
| 2795 | |
| 2796 | if (wasViewable) |
| 2797 | pLayerWin = (*pScreen->GetLayerWindow) (pWin); |
| 2798 | |
| 2799 | for (pChild = pWin->lastChild; pChild != pHead; pChild = pChild->prevSib) { |
| 2800 | if (pChild->mapped) { |
| 2801 | if (parentNotify || StrSend(pChild)) |
| 2802 | DeliverUnmapNotify(pChild, xFalse); |
| 2803 | if (pChild->viewable) { |
| 2804 | pChild->valdata = UnmapValData; |
| 2805 | anyMarked = TRUE; |
| 2806 | } |
| 2807 | pChild->mapped = FALSE; |
| 2808 | if (pChild->realized) |
| 2809 | UnrealizeTree(pChild, FALSE); |
| 2810 | if (wasViewable) { |
| 2811 | } |
| 2812 | } |
| 2813 | } |
| 2814 | if (wasViewable) { |
| 2815 | if (anyMarked) { |
| 2816 | if (pLayerWin->parent == pWin) |
| 2817 | (*pScreen->MarkWindow) (pWin); |
| 2818 | else { |
| 2819 | WindowPtr ptmp; |
| 2820 | |
| 2821 | (*pScreen->MarkOverlappedWindows) (pWin, pLayerWin, |
| 2822 | (WindowPtr *) NULL); |
| 2823 | (*pScreen->MarkWindow) (pLayerWin->parent); |
| 2824 | |
| 2825 | /* Windows between pWin and pLayerWin may not have been marked */ |
| 2826 | ptmp = pWin; |
| 2827 | |
| 2828 | while (ptmp != pLayerWin->parent) { |
| 2829 | (*pScreen->MarkWindow) (ptmp); |
| 2830 | ptmp = ptmp->parent; |
| 2831 | } |
| 2832 | pHead = pWin->firstChild; |
| 2833 | } |
| 2834 | (*pScreen->ValidateTree) (pLayerWin->parent, pHead, VTUnmap); |
| 2835 | (*pScreen->HandleExposures) (pLayerWin->parent); |
| 2836 | } |
| 2837 | if (anyMarked && pScreen->PostValidateTree) |
| 2838 | (*pScreen->PostValidateTree) (pLayerWin->parent, pHead, VTUnmap); |
| 2839 | } |
| 2840 | if (wasRealized) { |
| 2841 | WindowsRestructured(); |
| 2842 | WindowGone(pWin); |
| 2843 | } |
| 2844 | } |
| 2845 | |
| 2846 | void |
| 2847 | HandleSaveSet(ClientPtr client) |
| 2848 | { |
| 2849 | WindowPtr pParent, pWin; |
| 2850 | int j; |
| 2851 | |
| 2852 | for (j = 0; j < client->numSaved; j++) { |
| 2853 | pWin = SaveSetWindow(client->saveSet[j]); |
| 2854 | if (SaveSetToRoot(client->saveSet[j])) |
| 2855 | pParent = pWin->drawable.pScreen->root; |
| 2856 | else |
| 2857 | { |
| 2858 | pParent = pWin->parent; |
| 2859 | while (pParent && (wClient(pParent) == client)) |
| 2860 | pParent = pParent->parent; |
| 2861 | } |
| 2862 | if (pParent) { |
| 2863 | if (pParent != pWin->parent) { |
| 2864 | /* unmap first so that ReparentWindow doesn't remap */ |
| 2865 | if (!SaveSetShouldMap(client->saveSet[j])) |
| 2866 | UnmapWindow(pWin, FALSE); |
| 2867 | ReparentWindow(pWin, pParent, |
| 2868 | pWin->drawable.x - wBorderWidth(pWin) - |
| 2869 | pParent->drawable.x, |
| 2870 | pWin->drawable.y - wBorderWidth(pWin) - |
| 2871 | pParent->drawable.y, client); |
| 2872 | if (!pWin->realized && pWin->mapped) |
| 2873 | pWin->mapped = FALSE; |
| 2874 | } |
| 2875 | if (SaveSetShouldMap(client->saveSet[j])) |
| 2876 | MapWindow(pWin, client); |
| 2877 | } |
| 2878 | } |
| 2879 | free(client->saveSet); |
| 2880 | client->numSaved = 0; |
| 2881 | client->saveSet = (SaveSetElt *) NULL; |
| 2882 | } |
| 2883 | |
| 2884 | /** |
| 2885 | * |
| 2886 | * \param x,y in root |
| 2887 | */ |
| 2888 | Bool |
| 2889 | PointInWindowIsVisible(WindowPtr pWin, int x, int y) |
| 2890 | { |
| 2891 | BoxRec box; |
| 2892 | |
| 2893 | if (!pWin->realized) |
| 2894 | return FALSE; |
| 2895 | if (RegionContainsPoint(&pWin->borderClip, x, y, &box) |
| 2896 | && (!wInputShape(pWin) || |
| 2897 | RegionContainsPoint(wInputShape(pWin), |
| 2898 | x - pWin->drawable.x, |
| 2899 | y - pWin->drawable.y, &box))) |
| 2900 | return TRUE; |
| 2901 | return FALSE; |
| 2902 | } |
| 2903 | |
| 2904 | RegionPtr |
| 2905 | NotClippedByChildren(WindowPtr pWin) |
| 2906 | { |
| 2907 | RegionPtr pReg = RegionCreate(NullBox, 1); |
| 2908 | |
| 2909 | if (pWin->parent || |
| 2910 | screenIsSaved != SCREEN_SAVER_ON || |
| 2911 | !HasSaverWindow(pWin->drawable.pScreen)) { |
| 2912 | RegionIntersect(pReg, &pWin->borderClip, &pWin->winSize); |
| 2913 | } |
| 2914 | return pReg; |
| 2915 | } |
| 2916 | |
| 2917 | void |
| 2918 | SendVisibilityNotify(WindowPtr pWin) |
| 2919 | { |
| 2920 | xEvent event; |
| 2921 | unsigned int visibility = pWin->visibility; |
| 2922 | |
| 2923 | #ifdef PANORAMIX |
| 2924 | /* This is not quite correct yet, but it's close */ |
| 2925 | if (!noPanoramiXExtension) { |
| 2926 | PanoramiXRes *win; |
| 2927 | WindowPtr pWin2; |
| 2928 | int rc, i, Scrnum; |
| 2929 | |
| 2930 | Scrnum = pWin->drawable.pScreen->myNum; |
| 2931 | |
| 2932 | win = PanoramiXFindIDByScrnum(XRT_WINDOW, pWin->drawable.id, Scrnum); |
| 2933 | |
| 2934 | if (!win || (win->u.win.visibility == visibility)) |
| 2935 | return; |
| 2936 | |
| 2937 | switch (visibility) { |
| 2938 | case VisibilityUnobscured: |
| 2939 | FOR_NSCREENS(i) { |
| 2940 | if (i == Scrnum) |
| 2941 | continue; |
| 2942 | |
| 2943 | rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient, |
| 2944 | DixWriteAccess); |
| 2945 | |
| 2946 | if (rc == Success) { |
| 2947 | if (pWin2->visibility == VisibilityPartiallyObscured) |
| 2948 | return; |
| 2949 | |
| 2950 | if (!i) |
| 2951 | pWin = pWin2; |
| 2952 | } |
| 2953 | } |
| 2954 | break; |
| 2955 | case VisibilityPartiallyObscured: |
| 2956 | if (Scrnum) { |
| 2957 | rc = dixLookupWindow(&pWin2, win->info[0].id, serverClient, |
| 2958 | DixWriteAccess); |
| 2959 | if (rc == Success) |
| 2960 | pWin = pWin2; |
| 2961 | } |
| 2962 | break; |
| 2963 | case VisibilityFullyObscured: |
| 2964 | FOR_NSCREENS(i) { |
| 2965 | if (i == Scrnum) |
| 2966 | continue; |
| 2967 | |
| 2968 | rc = dixLookupWindow(&pWin2, win->info[i].id, serverClient, |
| 2969 | DixWriteAccess); |
| 2970 | |
| 2971 | if (rc == Success) { |
| 2972 | if (pWin2->visibility != VisibilityFullyObscured) |
| 2973 | return; |
| 2974 | |
| 2975 | if (!i) |
| 2976 | pWin = pWin2; |
| 2977 | } |
| 2978 | } |
| 2979 | break; |
| 2980 | } |
| 2981 | |
| 2982 | win->u.win.visibility = visibility; |
| 2983 | } |
| 2984 | #endif |
| 2985 | |
| 2986 | event = (xEvent) { |
| 2987 | .u.visibility.window = pWin->drawable.id, |
| 2988 | .u.visibility.state = visibility |
| 2989 | }; |
| 2990 | event.u.u.type = VisibilityNotify; |
| 2991 | DeliverEvents(pWin, &event, 1, NullWindow); |
| 2992 | } |
| 2993 | |
| 2994 | #define RANDOM_WIDTH 32 |
| 2995 | int |
| 2996 | dixSaveScreens(ClientPtr client, int on, int mode) |
| 2997 | { |
| 2998 | int rc, i, what, type; |
| 2999 | |
| 3000 | if (on == SCREEN_SAVER_FORCER) { |
| 3001 | if (mode == ScreenSaverReset) |
| 3002 | what = SCREEN_SAVER_OFF; |
| 3003 | else |
| 3004 | what = SCREEN_SAVER_ON; |
| 3005 | type = what; |
| 3006 | } |
| 3007 | else { |
| 3008 | what = on; |
| 3009 | type = what; |
| 3010 | if (what == screenIsSaved) |
| 3011 | type = SCREEN_SAVER_CYCLE; |
| 3012 | } |
| 3013 | |
| 3014 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 3015 | rc = XaceHook(XACE_SCREENSAVER_ACCESS, client, screenInfo.screens[i], |
| 3016 | DixShowAccess | DixHideAccess); |
| 3017 | if (rc != Success) |
| 3018 | return rc; |
| 3019 | } |
| 3020 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 3021 | ScreenPtr pScreen = screenInfo.screens[i]; |
| 3022 | |
| 3023 | if (on == SCREEN_SAVER_FORCER) |
| 3024 | (*pScreen->SaveScreen) (pScreen, on); |
| 3025 | if (pScreen->screensaver.ExternalScreenSaver) { |
| 3026 | if ((*pScreen->screensaver.ExternalScreenSaver) |
| 3027 | (pScreen, type, on == SCREEN_SAVER_FORCER)) |
| 3028 | continue; |
| 3029 | } |
| 3030 | if (type == screenIsSaved) |
| 3031 | continue; |
| 3032 | switch (type) { |
| 3033 | case SCREEN_SAVER_OFF: |
| 3034 | if (pScreen->screensaver.blanked == SCREEN_IS_BLANKED) { |
| 3035 | (*pScreen->SaveScreen) (pScreen, what); |
| 3036 | } |
| 3037 | else if (HasSaverWindow(pScreen)) { |
| 3038 | pScreen->screensaver.pWindow = NullWindow; |
| 3039 | FreeResource(pScreen->screensaver.wid, RT_NONE); |
| 3040 | } |
| 3041 | break; |
| 3042 | case SCREEN_SAVER_CYCLE: |
| 3043 | if (pScreen->screensaver.blanked == SCREEN_IS_TILED) { |
| 3044 | WindowPtr pWin = pScreen->screensaver.pWindow; |
| 3045 | |
| 3046 | /* make it look like screen saver is off, so that |
| 3047 | * NotClippedByChildren will compute a clip list |
| 3048 | * for the root window, so miPaintWindow works |
| 3049 | */ |
| 3050 | screenIsSaved = SCREEN_SAVER_OFF; |
| 3051 | (*pWin->drawable.pScreen->MoveWindow) (pWin, |
| 3052 | (short) (- |
| 3053 | (rand() % |
| 3054 | RANDOM_WIDTH)), |
| 3055 | (short) (- |
| 3056 | (rand() % |
| 3057 | RANDOM_WIDTH)), |
| 3058 | pWin->nextSib, VTMove); |
| 3059 | screenIsSaved = SCREEN_SAVER_ON; |
| 3060 | } |
| 3061 | /* |
| 3062 | * Call the DDX saver in case it wants to do something |
| 3063 | * at cycle time |
| 3064 | */ |
| 3065 | else if (pScreen->screensaver.blanked == SCREEN_IS_BLANKED) { |
| 3066 | (*pScreen->SaveScreen) (pScreen, type); |
| 3067 | } |
| 3068 | break; |
| 3069 | case SCREEN_SAVER_ON: |
| 3070 | if (ScreenSaverBlanking != DontPreferBlanking) { |
| 3071 | if ((*pScreen->SaveScreen) (pScreen, what)) { |
| 3072 | pScreen->screensaver.blanked = SCREEN_IS_BLANKED; |
| 3073 | continue; |
| 3074 | } |
| 3075 | if ((ScreenSaverAllowExposures != DontAllowExposures) && |
| 3076 | TileScreenSaver(pScreen, SCREEN_IS_BLACK)) { |
| 3077 | pScreen->screensaver.blanked = SCREEN_IS_BLACK; |
| 3078 | continue; |
| 3079 | } |
| 3080 | } |
| 3081 | if ((ScreenSaverAllowExposures != DontAllowExposures) && |
| 3082 | TileScreenSaver(pScreen, SCREEN_IS_TILED)) { |
| 3083 | pScreen->screensaver.blanked = SCREEN_IS_TILED; |
| 3084 | } |
| 3085 | else |
| 3086 | pScreen->screensaver.blanked = SCREEN_ISNT_SAVED; |
| 3087 | break; |
| 3088 | } |
| 3089 | } |
| 3090 | screenIsSaved = what; |
| 3091 | if (mode == ScreenSaverReset) { |
| 3092 | if (on == SCREEN_SAVER_FORCER) { |
| 3093 | DeviceIntPtr dev; |
| 3094 | UpdateCurrentTimeIf(); |
| 3095 | nt_list_for_each_entry(dev, inputInfo.devices, next) |
| 3096 | NoticeTime(dev, currentTime); |
| 3097 | } |
| 3098 | SetScreenSaverTimer(); |
| 3099 | } |
| 3100 | return Success; |
| 3101 | } |
| 3102 | |
| 3103 | int |
| 3104 | SaveScreens(int on, int mode) |
| 3105 | { |
| 3106 | return dixSaveScreens(serverClient, on, mode); |
| 3107 | } |
| 3108 | |
| 3109 | static Bool |
| 3110 | TileScreenSaver(ScreenPtr pScreen, int kind) |
| 3111 | { |
| 3112 | int j; |
| 3113 | int result; |
| 3114 | XID attributes[3]; |
| 3115 | Mask mask; |
| 3116 | WindowPtr pWin; |
| 3117 | CursorMetricRec cm; |
| 3118 | unsigned char *srcbits, *mskbits; |
| 3119 | CursorPtr cursor; |
| 3120 | XID cursorID = 0; |
| 3121 | int attri; |
| 3122 | |
| 3123 | mask = 0; |
| 3124 | attri = 0; |
| 3125 | switch (kind) { |
| 3126 | case SCREEN_IS_TILED: |
| 3127 | switch (pScreen->root->backgroundState) { |
| 3128 | case BackgroundPixel: |
| 3129 | attributes[attri++] = pScreen->root->background.pixel; |
| 3130 | mask |= CWBackPixel; |
| 3131 | break; |
| 3132 | case BackgroundPixmap: |
| 3133 | attributes[attri++] = None; |
| 3134 | mask |= CWBackPixmap; |
| 3135 | break; |
| 3136 | default: |
| 3137 | break; |
| 3138 | } |
| 3139 | break; |
| 3140 | case SCREEN_IS_BLACK: |
| 3141 | attributes[attri++] = pScreen->root->drawable.pScreen->blackPixel; |
| 3142 | mask |= CWBackPixel; |
| 3143 | break; |
| 3144 | } |
| 3145 | mask |= CWOverrideRedirect; |
| 3146 | attributes[attri++] = xTrue; |
| 3147 | |
| 3148 | /* |
| 3149 | * create a blank cursor |
| 3150 | */ |
| 3151 | |
| 3152 | cm.width = 16; |
| 3153 | cm.height = 16; |
| 3154 | cm.xhot = 8; |
| 3155 | cm.yhot = 8; |
| 3156 | srcbits = malloc(BitmapBytePad(32) * 16); |
| 3157 | mskbits = malloc(BitmapBytePad(32) * 16); |
| 3158 | if (!srcbits || !mskbits) { |
| 3159 | free(srcbits); |
| 3160 | free(mskbits); |
| 3161 | cursor = 0; |
| 3162 | } |
| 3163 | else { |
| 3164 | for (j = 0; j < BitmapBytePad(32) * 16; j++) |
| 3165 | srcbits[j] = mskbits[j] = 0x0; |
| 3166 | result = AllocARGBCursor(srcbits, mskbits, NULL, &cm, 0, 0, 0, 0, 0, 0, |
| 3167 | &cursor, serverClient, (XID) 0); |
| 3168 | if (cursor) { |
| 3169 | cursorID = FakeClientID(0); |
| 3170 | if (AddResource(cursorID, RT_CURSOR, (pointer) cursor)) { |
| 3171 | attributes[attri] = cursorID; |
| 3172 | mask |= CWCursor; |
| 3173 | } |
| 3174 | else |
| 3175 | cursor = 0; |
| 3176 | } |
| 3177 | else { |
| 3178 | free(srcbits); |
| 3179 | free(mskbits); |
| 3180 | } |
| 3181 | } |
| 3182 | |
| 3183 | pWin = pScreen->screensaver.pWindow = |
| 3184 | CreateWindow(pScreen->screensaver.wid, |
| 3185 | pScreen->root, |
| 3186 | -RANDOM_WIDTH, -RANDOM_WIDTH, |
| 3187 | (unsigned short) pScreen->width + RANDOM_WIDTH, |
| 3188 | (unsigned short) pScreen->height + RANDOM_WIDTH, |
| 3189 | 0, InputOutput, mask, attributes, 0, serverClient, |
| 3190 | wVisual(pScreen->root), &result); |
| 3191 | |
| 3192 | if (cursor) |
| 3193 | FreeResource(cursorID, RT_NONE); |
| 3194 | |
| 3195 | if (!pWin) |
| 3196 | return FALSE; |
| 3197 | |
| 3198 | if (!AddResource(pWin->drawable.id, RT_WINDOW, |
| 3199 | (pointer) pScreen->screensaver.pWindow)) |
| 3200 | return FALSE; |
| 3201 | |
| 3202 | if (mask & CWBackPixmap) { |
| 3203 | MakeRootTile(pWin); |
| 3204 | (*pWin->drawable.pScreen->ChangeWindowAttributes) (pWin, CWBackPixmap); |
| 3205 | } |
| 3206 | MapWindow(pWin, serverClient); |
| 3207 | return TRUE; |
| 3208 | } |
| 3209 | |
| 3210 | /* |
| 3211 | * FindWindowWithOptional |
| 3212 | * |
| 3213 | * search ancestors of the given window for an entry containing |
| 3214 | * a WindowOpt structure. Assumptions: some parent will |
| 3215 | * contain the structure. |
| 3216 | */ |
| 3217 | |
| 3218 | WindowPtr |
| 3219 | FindWindowWithOptional(WindowPtr w) |
| 3220 | { |
| 3221 | do |
| 3222 | w = w->parent; |
| 3223 | while (!w->optional); |
| 3224 | return w; |
| 3225 | } |
| 3226 | |
| 3227 | /* |
| 3228 | * CheckWindowOptionalNeed |
| 3229 | * |
| 3230 | * check each optional entry in the given window to see if |
| 3231 | * the value is satisfied by the default rules. If so, |
| 3232 | * release the optional record |
| 3233 | */ |
| 3234 | |
| 3235 | void |
| 3236 | CheckWindowOptionalNeed(WindowPtr w) |
| 3237 | { |
| 3238 | WindowOptPtr optional; |
| 3239 | WindowOptPtr parentOptional; |
| 3240 | |
| 3241 | if (!w->parent || !w->optional) |
| 3242 | return; |
| 3243 | optional = w->optional; |
| 3244 | if (optional->dontPropagateMask != DontPropagateMasks[w->dontPropagate]) |
| 3245 | return; |
| 3246 | if (optional->otherEventMasks != 0) |
| 3247 | return; |
| 3248 | if (optional->otherClients != NULL) |
| 3249 | return; |
| 3250 | if (optional->passiveGrabs != NULL) |
| 3251 | return; |
| 3252 | if (optional->userProps != NULL) |
| 3253 | return; |
| 3254 | if (optional->backingBitPlanes != ~0L) |
| 3255 | return; |
| 3256 | if (optional->backingPixel != 0) |
| 3257 | return; |
| 3258 | if (optional->boundingShape != NULL) |
| 3259 | return; |
| 3260 | if (optional->clipShape != NULL) |
| 3261 | return; |
| 3262 | if (optional->inputShape != NULL) |
| 3263 | return; |
| 3264 | if (optional->inputMasks != NULL) |
| 3265 | return; |
| 3266 | if (optional->deviceCursors != NULL) { |
| 3267 | DevCursNodePtr pNode = optional->deviceCursors; |
| 3268 | |
| 3269 | while (pNode) { |
| 3270 | if (pNode->cursor != None) |
| 3271 | return; |
| 3272 | pNode = pNode->next; |
| 3273 | } |
| 3274 | } |
| 3275 | |
| 3276 | parentOptional = FindWindowWithOptional(w)->optional; |
| 3277 | if (optional->visual != parentOptional->visual) |
| 3278 | return; |
| 3279 | if (optional->cursor != None && |
| 3280 | (optional->cursor != parentOptional->cursor || w->parent->cursorIsNone)) |
| 3281 | return; |
| 3282 | if (optional->colormap != parentOptional->colormap) |
| 3283 | return; |
| 3284 | DisposeWindowOptional(w); |
| 3285 | } |
| 3286 | |
| 3287 | /* |
| 3288 | * MakeWindowOptional |
| 3289 | * |
| 3290 | * create an optional record and initialize it with the default |
| 3291 | * values. |
| 3292 | */ |
| 3293 | |
| 3294 | Bool |
| 3295 | MakeWindowOptional(WindowPtr pWin) |
| 3296 | { |
| 3297 | WindowOptPtr optional; |
| 3298 | WindowOptPtr parentOptional; |
| 3299 | |
| 3300 | if (pWin->optional) |
| 3301 | return TRUE; |
| 3302 | optional = malloc(sizeof(WindowOptRec)); |
| 3303 | if (!optional) |
| 3304 | return FALSE; |
| 3305 | optional->dontPropagateMask = DontPropagateMasks[pWin->dontPropagate]; |
| 3306 | optional->otherEventMasks = 0; |
| 3307 | optional->otherClients = NULL; |
| 3308 | optional->passiveGrabs = NULL; |
| 3309 | optional->userProps = NULL; |
| 3310 | optional->backingBitPlanes = ~0L; |
| 3311 | optional->backingPixel = 0; |
| 3312 | optional->boundingShape = NULL; |
| 3313 | optional->clipShape = NULL; |
| 3314 | optional->inputShape = NULL; |
| 3315 | optional->inputMasks = NULL; |
| 3316 | optional->deviceCursors = NULL; |
| 3317 | |
| 3318 | parentOptional = FindWindowWithOptional(pWin)->optional; |
| 3319 | optional->visual = parentOptional->visual; |
| 3320 | if (!pWin->cursorIsNone) { |
| 3321 | optional->cursor = RefCursor(parentOptional->cursor); |
| 3322 | } |
| 3323 | else { |
| 3324 | optional->cursor = None; |
| 3325 | } |
| 3326 | optional->colormap = parentOptional->colormap; |
| 3327 | pWin->optional = optional; |
| 3328 | return TRUE; |
| 3329 | } |
| 3330 | |
| 3331 | /* |
| 3332 | * Changes the cursor struct for the given device and the given window. |
| 3333 | * A cursor that does not have a device cursor set will use whatever the |
| 3334 | * standard cursor is for the window. If all devices have a cursor set, |
| 3335 | * changing the window cursor (e.g. using XDefineCursor()) will not have any |
| 3336 | * visible effect. Only when one of the device cursors is set to None again, |
| 3337 | * this device's cursor will display the changed standard cursor. |
| 3338 | * |
| 3339 | * CursorIsNone of the window struct is NOT modified if you set a device |
| 3340 | * cursor. |
| 3341 | * |
| 3342 | * Assumption: If there is a node for a device in the list, the device has a |
| 3343 | * cursor. If the cursor is set to None, it is inherited by the parent. |
| 3344 | */ |
| 3345 | int |
| 3346 | ChangeWindowDeviceCursor(WindowPtr pWin, DeviceIntPtr pDev, CursorPtr pCursor) |
| 3347 | { |
| 3348 | DevCursNodePtr pNode, pPrev; |
| 3349 | CursorPtr pOldCursor = NULL; |
| 3350 | ScreenPtr pScreen; |
| 3351 | WindowPtr pChild; |
| 3352 | |
| 3353 | if (!pWin->optional && !MakeWindowOptional(pWin)) |
| 3354 | return BadAlloc; |
| 3355 | |
| 3356 | /* 1) Check if window has device cursor set |
| 3357 | * Yes: 1.1) swap cursor with given cursor if parent does not have same |
| 3358 | * cursor, free old cursor |
| 3359 | * 1.2) free old cursor, use parent cursor |
| 3360 | * No: 1.1) add node to beginning of list. |
| 3361 | * 1.2) add cursor to node if parent does not have same cursor |
| 3362 | * 1.3) use parent cursor if parent does not have same cursor |
| 3363 | * 2) Patch up children if child has a devcursor |
| 3364 | * 2.1) if child has cursor None, it inherited from parent, set to old |
| 3365 | * cursor |
| 3366 | * 2.2) if child has same cursor as new cursor, remove and set to None |
| 3367 | */ |
| 3368 | |
| 3369 | pScreen = pWin->drawable.pScreen; |
| 3370 | |
| 3371 | if (WindowSeekDeviceCursor(pWin, pDev, &pNode, &pPrev)) { |
| 3372 | /* has device cursor */ |
| 3373 | |
| 3374 | if (pNode->cursor == pCursor) |
| 3375 | return Success; |
| 3376 | |
| 3377 | pOldCursor = pNode->cursor; |
| 3378 | |
| 3379 | if (!pCursor) { /* remove from list */ |
| 3380 | if (pPrev) |
| 3381 | pPrev->next = pNode->next; |
| 3382 | else |
| 3383 | /* first item in list */ |
| 3384 | pWin->optional->deviceCursors = pNode->next; |
| 3385 | |
| 3386 | free(pNode); |
| 3387 | goto out; |
| 3388 | } |
| 3389 | |
| 3390 | } |
| 3391 | else { |
| 3392 | /* no device cursor yet */ |
| 3393 | DevCursNodePtr pNewNode; |
| 3394 | |
| 3395 | if (!pCursor) |
| 3396 | return Success; |
| 3397 | |
| 3398 | pNewNode = malloc(sizeof(DevCursNodeRec)); |
| 3399 | pNewNode->dev = pDev; |
| 3400 | pNewNode->next = pWin->optional->deviceCursors; |
| 3401 | pWin->optional->deviceCursors = pNewNode; |
| 3402 | pNode = pNewNode; |
| 3403 | |
| 3404 | } |
| 3405 | |
| 3406 | if (pCursor && WindowParentHasDeviceCursor(pWin, pDev, pCursor)) |
| 3407 | pNode->cursor = None; |
| 3408 | else { |
| 3409 | pNode->cursor = RefCursor(pCursor); |
| 3410 | } |
| 3411 | |
| 3412 | pNode = pPrev = NULL; |
| 3413 | /* fix up children */ |
| 3414 | for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) { |
| 3415 | if (WindowSeekDeviceCursor(pChild, pDev, &pNode, &pPrev)) { |
| 3416 | if (pNode->cursor == None) { /* inherited from parent */ |
| 3417 | pNode->cursor = RefCursor(pOldCursor); |
| 3418 | } |
| 3419 | else if (pNode->cursor == pCursor) { |
| 3420 | pNode->cursor = None; |
| 3421 | FreeCursor(pCursor, (Cursor) 0); /* fix up refcnt */ |
| 3422 | } |
| 3423 | } |
| 3424 | } |
| 3425 | |
| 3426 | out: |
| 3427 | CursorVisible = TRUE; |
| 3428 | |
| 3429 | if (pWin->realized) |
| 3430 | WindowHasNewCursor(pWin); |
| 3431 | |
| 3432 | if (pOldCursor) |
| 3433 | FreeCursor(pOldCursor, (Cursor) 0); |
| 3434 | |
| 3435 | /* FIXME: We SHOULD check for an error value here XXX |
| 3436 | (comment taken from ChangeWindowAttributes) */ |
| 3437 | (*pScreen->ChangeWindowAttributes) (pWin, CWCursor); |
| 3438 | |
| 3439 | return Success; |
| 3440 | } |
| 3441 | |
| 3442 | /* Get device cursor for given device or None if none is set */ |
| 3443 | CursorPtr |
| 3444 | WindowGetDeviceCursor(WindowPtr pWin, DeviceIntPtr pDev) |
| 3445 | { |
| 3446 | DevCursorList pList; |
| 3447 | |
| 3448 | if (!pWin->optional || !pWin->optional->deviceCursors) |
| 3449 | return NULL; |
| 3450 | |
| 3451 | pList = pWin->optional->deviceCursors; |
| 3452 | |
| 3453 | while (pList) { |
| 3454 | if (pList->dev == pDev) { |
| 3455 | if (pList->cursor == None) /* inherited from parent */ |
| 3456 | return WindowGetDeviceCursor(pWin->parent, pDev); |
| 3457 | else |
| 3458 | return pList->cursor; |
| 3459 | } |
| 3460 | pList = pList->next; |
| 3461 | } |
| 3462 | return NULL; |
| 3463 | } |
| 3464 | |
| 3465 | /* Searches for a DevCursorNode for the given window and device. If one is |
| 3466 | * found, return True and set pNode and pPrev to the node and to the node |
| 3467 | * before the node respectively. Otherwise return False. |
| 3468 | * If the device is the first in list, pPrev is set to NULL. |
| 3469 | */ |
| 3470 | static Bool |
| 3471 | WindowSeekDeviceCursor(WindowPtr pWin, |
| 3472 | DeviceIntPtr pDev, |
| 3473 | DevCursNodePtr * pNode, DevCursNodePtr * pPrev) |
| 3474 | { |
| 3475 | DevCursorList pList; |
| 3476 | |
| 3477 | if (!pWin->optional) |
| 3478 | return FALSE; |
| 3479 | |
| 3480 | pList = pWin->optional->deviceCursors; |
| 3481 | |
| 3482 | if (pList && pList->dev == pDev) { |
| 3483 | *pNode = pList; |
| 3484 | *pPrev = NULL; |
| 3485 | return TRUE; |
| 3486 | } |
| 3487 | |
| 3488 | while (pList) { |
| 3489 | if (pList->next) { |
| 3490 | if (pList->next->dev == pDev) { |
| 3491 | *pNode = pList->next; |
| 3492 | *pPrev = pList; |
| 3493 | return TRUE; |
| 3494 | } |
| 3495 | } |
| 3496 | pList = pList->next; |
| 3497 | } |
| 3498 | return FALSE; |
| 3499 | } |
| 3500 | |
| 3501 | /* Return True if a parent has the same device cursor set or False if |
| 3502 | * otherwise |
| 3503 | */ |
| 3504 | static Bool |
| 3505 | WindowParentHasDeviceCursor(WindowPtr pWin, |
| 3506 | DeviceIntPtr pDev, CursorPtr pCursor) |
| 3507 | { |
| 3508 | WindowPtr pParent; |
| 3509 | DevCursNodePtr pParentNode, pParentPrev; |
| 3510 | |
| 3511 | pParent = pWin->parent; |
| 3512 | while (pParent) { |
| 3513 | if (WindowSeekDeviceCursor(pParent, pDev, &pParentNode, &pParentPrev)) { |
| 3514 | /* if there is a node in the list, the win has a dev cursor */ |
| 3515 | if (!pParentNode->cursor) /* inherited. */ |
| 3516 | pParent = pParent->parent; |
| 3517 | else if (pParentNode->cursor == pCursor) /* inherit */ |
| 3518 | return TRUE; |
| 3519 | else /* different cursor */ |
| 3520 | return FALSE; |
| 3521 | } |
| 3522 | else |
| 3523 | /* parent does not have a device cursor for our device */ |
| 3524 | return FALSE; |
| 3525 | } |
| 3526 | return FALSE; |
| 3527 | } |
| 3528 | |
| 3529 | /* |
| 3530 | * SetRootClip -- |
| 3531 | * Enable or disable rendering to the screen by |
| 3532 | * setting the root clip list and revalidating |
| 3533 | * all of the windows |
| 3534 | */ |
| 3535 | void |
| 3536 | SetRootClip(ScreenPtr pScreen, Bool enable) |
| 3537 | { |
| 3538 | WindowPtr pWin = pScreen->root; |
| 3539 | WindowPtr pChild; |
| 3540 | Bool WasViewable; |
| 3541 | Bool anyMarked = FALSE; |
| 3542 | WindowPtr pLayerWin; |
| 3543 | BoxRec box; |
| 3544 | |
| 3545 | if (!pWin) |
| 3546 | return; |
| 3547 | WasViewable = (Bool) (pWin->viewable); |
| 3548 | if (WasViewable) { |
| 3549 | for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) { |
| 3550 | (void) (*pScreen->MarkOverlappedWindows) (pChild, |
| 3551 | pChild, &pLayerWin); |
| 3552 | } |
| 3553 | (*pScreen->MarkWindow) (pWin); |
| 3554 | anyMarked = TRUE; |
| 3555 | if (pWin->valdata) { |
| 3556 | if (HasBorder(pWin)) { |
| 3557 | RegionPtr borderVisible; |
| 3558 | |
| 3559 | borderVisible = RegionCreate(NullBox, 1); |
| 3560 | RegionSubtract(borderVisible, |
| 3561 | &pWin->borderClip, &pWin->winSize); |
| 3562 | pWin->valdata->before.borderVisible = borderVisible; |
| 3563 | } |
| 3564 | pWin->valdata->before.resized = TRUE; |
| 3565 | } |
| 3566 | } |
| 3567 | |
| 3568 | /* |
| 3569 | * Use REGION_BREAK to avoid optimizations in ValidateTree |
| 3570 | * that assume the root borderClip can't change well, normally |
| 3571 | * it doesn't...) |
| 3572 | */ |
| 3573 | if (enable) { |
| 3574 | box.x1 = 0; |
| 3575 | box.y1 = 0; |
| 3576 | box.x2 = pScreen->width; |
| 3577 | box.y2 = pScreen->height; |
| 3578 | RegionInit(&pWin->winSize, &box, 1); |
| 3579 | RegionInit(&pWin->borderSize, &box, 1); |
| 3580 | if (WasViewable) |
| 3581 | RegionReset(&pWin->borderClip, &box); |
| 3582 | pWin->drawable.width = pScreen->width; |
| 3583 | pWin->drawable.height = pScreen->height; |
| 3584 | RegionBreak(&pWin->clipList); |
| 3585 | } |
| 3586 | else { |
| 3587 | RegionEmpty(&pWin->borderClip); |
| 3588 | RegionBreak(&pWin->clipList); |
| 3589 | } |
| 3590 | |
| 3591 | ResizeChildrenWinSize(pWin, 0, 0, 0, 0); |
| 3592 | |
| 3593 | if (WasViewable) { |
| 3594 | if (pWin->firstChild) { |
| 3595 | anyMarked |= (*pScreen->MarkOverlappedWindows) (pWin->firstChild, |
| 3596 | pWin->firstChild, |
| 3597 | (WindowPtr *) NULL); |
| 3598 | } |
| 3599 | else { |
| 3600 | (*pScreen->MarkWindow) (pWin); |
| 3601 | anyMarked = TRUE; |
| 3602 | } |
| 3603 | |
| 3604 | if (anyMarked) |
| 3605 | (*pScreen->ValidateTree) (pWin, NullWindow, VTOther); |
| 3606 | } |
| 3607 | |
| 3608 | if (WasViewable) { |
| 3609 | if (anyMarked) |
| 3610 | (*pScreen->HandleExposures) (pWin); |
| 3611 | if (anyMarked && pScreen->PostValidateTree) |
| 3612 | (*pScreen->PostValidateTree) (pWin, NullWindow, VTOther); |
| 3613 | } |
| 3614 | if (pWin->realized) |
| 3615 | WindowsRestructured(); |
| 3616 | FlushAllOutput(); |
| 3617 | } |
| 3618 | |
| 3619 | VisualPtr |
| 3620 | WindowGetVisual(WindowPtr pWin) |
| 3621 | { |
| 3622 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 3623 | VisualID vid = wVisual(pWin); |
| 3624 | int i; |
| 3625 | |
| 3626 | for (i = 0; i < pScreen->numVisuals; i++) |
| 3627 | if (pScreen->visuals[i].vid == vid) |
| 3628 | return &pScreen->visuals[i]; |
| 3629 | return 0; |
| 3630 | } |