| 1 | /* |
| 2 | * Rootless window management |
| 3 | */ |
| 4 | /* |
| 5 | * Copyright (c) 2001 Greg Parker. All Rights Reserved. |
| 6 | * Copyright (c) 2002-2004 Torrey T. Lyons. All Rights Reserved. |
| 7 | * Copyright (c) 2002 Apple Computer, Inc. All rights reserved. |
| 8 | * |
| 9 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 10 | * copy of this software and associated documentation files (the "Software"), |
| 11 | * to deal in the Software without restriction, including without limitation |
| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 13 | * and/or sell copies of the Software, and to permit persons to whom the |
| 14 | * Software is furnished to do so, subject to the following conditions: |
| 15 | * |
| 16 | * The above copyright notice and this permission notice shall be included in |
| 17 | * all copies or substantial portions of the Software. |
| 18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 22 | * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 23 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 24 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 25 | * DEALINGS IN THE SOFTWARE. |
| 26 | * |
| 27 | * Except as contained in this notice, the name(s) of the above copyright |
| 28 | * holders shall not be used in advertising or otherwise to promote the sale, |
| 29 | * use or other dealings in this Software without prior written authorization. |
| 30 | */ |
| 31 | |
| 32 | #ifdef HAVE_DIX_CONFIG_H |
| 33 | #include <dix-config.h> |
| 34 | #endif |
| 35 | |
| 36 | #include <stddef.h> /* For NULL */ |
| 37 | #include <limits.h> /* For CHAR_BIT */ |
| 38 | #include <assert.h> |
| 39 | #include <X11/Xatom.h> |
| 40 | #ifdef __APPLE__ |
| 41 | #include <Xplugin.h> |
| 42 | #include "mi.h" |
| 43 | #include "pixmapstr.h" |
| 44 | #include "windowstr.h" |
| 45 | //#include <X11/extensions/applewm.h> |
| 46 | extern int darwinMainScreenX, darwinMainScreenY; |
| 47 | extern Bool no_configure_window; |
| 48 | #endif |
| 49 | #include "fb.h" |
| 50 | |
| 51 | #include "rootlessCommon.h" |
| 52 | #include "rootlessWindow.h" |
| 53 | |
| 54 | #define SCREEN_TO_GLOBAL_X \ |
| 55 | (pScreen->x + rootlessGlobalOffsetX) |
| 56 | #define SCREEN_TO_GLOBAL_Y \ |
| 57 | (pScreen->y + rootlessGlobalOffsetY) |
| 58 | |
| 59 | #define DEFINE_ATOM_HELPER(func,atom_name) \ |
| 60 | static Atom func (void) { \ |
| 61 | static unsigned int generation = 0; \ |
| 62 | static Atom atom; \ |
| 63 | if (generation != serverGeneration) { \ |
| 64 | generation = serverGeneration; \ |
| 65 | atom = MakeAtom (atom_name, strlen (atom_name), TRUE); \ |
| 66 | } \ |
| 67 | return atom; \ |
| 68 | } |
| 69 | |
| 70 | DEFINE_ATOM_HELPER(xa_native_window_id, "_NATIVE_WINDOW_ID") |
| 71 | |
| 72 | static Bool windows_hidden; |
| 73 | |
| 74 | // TODO - abstract xp functions |
| 75 | |
| 76 | #ifdef __APPLE__ |
| 77 | |
| 78 | // XXX: identical to x_cvt_vptr_to_uint ? |
| 79 | #define MAKE_WINDOW_ID(x) ((xp_window_id)((size_t)(x))) |
| 80 | |
| 81 | void |
| 82 | RootlessNativeWindowStateChanged(WindowPtr pWin, unsigned int state) |
| 83 | { |
| 84 | RootlessWindowRec *winRec; |
| 85 | |
| 86 | if (pWin == NULL) |
| 87 | return; |
| 88 | |
| 89 | winRec = WINREC(pWin); |
| 90 | if (winRec == NULL) |
| 91 | return; |
| 92 | |
| 93 | winRec->is_offscreen = ((state & XP_WINDOW_STATE_OFFSCREEN) != 0); |
| 94 | winRec->is_obscured = ((state & XP_WINDOW_STATE_OBSCURED) != 0); |
| 95 | pWin->rootlessUnhittable = winRec->is_offscreen; |
| 96 | } |
| 97 | |
| 98 | void |
| 99 | RootlessNativeWindowMoved(WindowPtr pWin) |
| 100 | { |
| 101 | xp_box bounds; |
| 102 | int sx, sy, err; |
| 103 | XID vlist[2]; |
| 104 | Mask mask; |
| 105 | ClientPtr pClient; |
| 106 | RootlessWindowRec *winRec; |
| 107 | |
| 108 | winRec = WINREC(pWin); |
| 109 | |
| 110 | if (xp_get_window_bounds(MAKE_WINDOW_ID(winRec->wid), &bounds) != Success) |
| 111 | return; |
| 112 | |
| 113 | sx = pWin->drawable.pScreen->x + darwinMainScreenX; |
| 114 | sy = pWin->drawable.pScreen->y + darwinMainScreenY; |
| 115 | |
| 116 | /* Fake up a ConfigureWindow packet to resize the window to the current bounds. */ |
| 117 | vlist[0] = (INT16) bounds.x1 - sx; |
| 118 | vlist[1] = (INT16) bounds.y1 - sy; |
| 119 | mask = CWX | CWY; |
| 120 | |
| 121 | /* pretend we're the owner of the window! */ |
| 122 | err = |
| 123 | dixLookupClient(&pClient, pWin->drawable.id, serverClient, |
| 124 | DixUnknownAccess); |
| 125 | if (err != Success) { |
| 126 | ErrorF("RootlessNativeWindowMoved(): Failed to lookup window: 0x%x\n", |
| 127 | (unsigned int) pWin->drawable.id); |
| 128 | return; |
| 129 | } |
| 130 | |
| 131 | /* Don't want to do anything to the physical window (avoids |
| 132 | notification-response feedback loops) */ |
| 133 | |
| 134 | no_configure_window = TRUE; |
| 135 | ConfigureWindow(pWin, mask, vlist, pClient); |
| 136 | no_configure_window = FALSE; |
| 137 | } |
| 138 | |
| 139 | #endif /* __APPLE__ */ |
| 140 | |
| 141 | /* |
| 142 | * RootlessCreateWindow |
| 143 | * For now, don't create a physical window until either the window is |
| 144 | * realized, or we really need it (e.g. to attach VRAM surfaces to). |
| 145 | * Do reset the window size so it's not clipped by the root window. |
| 146 | */ |
| 147 | Bool |
| 148 | RootlessCreateWindow(WindowPtr pWin) |
| 149 | { |
| 150 | Bool result; |
| 151 | RegionRec saveRoot; |
| 152 | |
| 153 | SETWINREC(pWin, NULL); |
| 154 | dixSetPrivate(&pWin->devPrivates, rootlessWindowOldPixmapPrivateKey, NULL); |
| 155 | |
| 156 | SCREEN_UNWRAP(pWin->drawable.pScreen, CreateWindow); |
| 157 | |
| 158 | if (!IsRoot(pWin)) { |
| 159 | /* win/border size set by DIX, not by wrapped CreateWindow, so |
| 160 | correct it here. Don't HUGE_ROOT when pWin is the root! */ |
| 161 | |
| 162 | HUGE_ROOT(pWin); |
| 163 | SetWinSize(pWin); |
| 164 | SetBorderSize(pWin); |
| 165 | } |
| 166 | |
| 167 | result = pWin->drawable.pScreen->CreateWindow(pWin); |
| 168 | |
| 169 | if (pWin->parent) { |
| 170 | NORMAL_ROOT(pWin); |
| 171 | } |
| 172 | |
| 173 | SCREEN_WRAP(pWin->drawable.pScreen, CreateWindow); |
| 174 | |
| 175 | return result; |
| 176 | } |
| 177 | |
| 178 | /* |
| 179 | * RootlessDestroyFrame |
| 180 | * Destroy the physical window associated with the given window. |
| 181 | */ |
| 182 | static void |
| 183 | RootlessDestroyFrame(WindowPtr pWin, RootlessWindowPtr winRec) |
| 184 | { |
| 185 | SCREENREC(pWin->drawable.pScreen)->imp->DestroyFrame(winRec->wid); |
| 186 | free(winRec); |
| 187 | SETWINREC(pWin, NULL); |
| 188 | } |
| 189 | |
| 190 | /* |
| 191 | * RootlessDestroyWindow |
| 192 | * Destroy the physical window associated with the given window. |
| 193 | */ |
| 194 | Bool |
| 195 | RootlessDestroyWindow(WindowPtr pWin) |
| 196 | { |
| 197 | RootlessWindowRec *winRec = WINREC(pWin); |
| 198 | Bool result; |
| 199 | |
| 200 | if (winRec != NULL) { |
| 201 | RootlessDestroyFrame(pWin, winRec); |
| 202 | } |
| 203 | |
| 204 | SCREEN_UNWRAP(pWin->drawable.pScreen, DestroyWindow); |
| 205 | result = pWin->drawable.pScreen->DestroyWindow(pWin); |
| 206 | SCREEN_WRAP(pWin->drawable.pScreen, DestroyWindow); |
| 207 | |
| 208 | return result; |
| 209 | } |
| 210 | |
| 211 | static Bool |
| 212 | RootlessGetShape(WindowPtr pWin, RegionPtr pShape) |
| 213 | { |
| 214 | if (wBoundingShape(pWin) == NULL) |
| 215 | return FALSE; |
| 216 | |
| 217 | /* wBoundingShape is relative to *inner* origin of window. |
| 218 | Translate by borderWidth to get the outside-relative position. */ |
| 219 | |
| 220 | RegionNull(pShape); |
| 221 | RegionCopy(pShape, wBoundingShape(pWin)); |
| 222 | RegionTranslate(pShape, pWin->borderWidth, pWin->borderWidth); |
| 223 | |
| 224 | return TRUE; |
| 225 | } |
| 226 | |
| 227 | /* |
| 228 | * RootlessReshapeFrame |
| 229 | * Set the frame shape. |
| 230 | */ |
| 231 | static void |
| 232 | RootlessReshapeFrame(WindowPtr pWin) |
| 233 | { |
| 234 | RootlessWindowRec *winRec = WINREC(pWin); |
| 235 | RegionRec newShape; |
| 236 | RegionPtr pShape; |
| 237 | |
| 238 | // If the window is not yet framed, do nothing |
| 239 | if (winRec == NULL) |
| 240 | return; |
| 241 | |
| 242 | if (IsRoot(pWin)) |
| 243 | return; |
| 244 | |
| 245 | RootlessStopDrawing(pWin, FALSE); |
| 246 | |
| 247 | pShape = RootlessGetShape(pWin, &newShape) ? &newShape : NULL; |
| 248 | |
| 249 | #ifdef ROOTLESSDEBUG |
| 250 | RL_DEBUG_MSG("reshaping..."); |
| 251 | if (pShape != NULL) { |
| 252 | RL_DEBUG_MSG("numrects %d, extents %d %d %d %d ", |
| 253 | RegionNumRects(&newShape), |
| 254 | newShape.extents.x1, newShape.extents.y1, |
| 255 | newShape.extents.x2, newShape.extents.y2); |
| 256 | } |
| 257 | else { |
| 258 | RL_DEBUG_MSG("no shape "); |
| 259 | } |
| 260 | #endif |
| 261 | |
| 262 | SCREENREC(pWin->drawable.pScreen)->imp->ReshapeFrame(winRec->wid, pShape); |
| 263 | |
| 264 | if (pShape != NULL) |
| 265 | RegionUninit(&newShape); |
| 266 | } |
| 267 | |
| 268 | /* |
| 269 | * RootlessSetShape |
| 270 | * Shape is usually set before a window is mapped and the window will |
| 271 | * not have a frame associated with it. In this case, the frame will be |
| 272 | * shaped when the window is framed. |
| 273 | */ |
| 274 | void |
| 275 | RootlessSetShape(WindowPtr pWin, int kind) |
| 276 | { |
| 277 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 278 | |
| 279 | SCREEN_UNWRAP(pScreen, SetShape); |
| 280 | pScreen->SetShape(pWin, kind); |
| 281 | SCREEN_WRAP(pScreen, SetShape); |
| 282 | |
| 283 | RootlessReshapeFrame(pWin); |
| 284 | } |
| 285 | |
| 286 | /* Disallow ParentRelative background on top-level windows |
| 287 | because the root window doesn't really have the right background. |
| 288 | */ |
| 289 | Bool |
| 290 | RootlessChangeWindowAttributes(WindowPtr pWin, unsigned long vmask) |
| 291 | { |
| 292 | Bool result; |
| 293 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 294 | |
| 295 | RL_DEBUG_MSG("change window attributes start "); |
| 296 | |
| 297 | SCREEN_UNWRAP(pScreen, ChangeWindowAttributes); |
| 298 | result = pScreen->ChangeWindowAttributes(pWin, vmask); |
| 299 | SCREEN_WRAP(pScreen, ChangeWindowAttributes); |
| 300 | |
| 301 | if (WINREC(pWin)) { |
| 302 | // disallow ParentRelative background state |
| 303 | if (pWin->backgroundState == ParentRelative) { |
| 304 | XID pixel = 0; |
| 305 | |
| 306 | ChangeWindowAttributes(pWin, CWBackPixel, &pixel, serverClient); |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | RL_DEBUG_MSG("change window attributes end\n"); |
| 311 | return result; |
| 312 | } |
| 313 | |
| 314 | /* |
| 315 | * RootlessPositionWindow |
| 316 | * This is a hook for when DIX moves or resizes a window. |
| 317 | * Update the frame position now although the physical window is moved |
| 318 | * in RootlessMoveWindow. (x, y) are *inside* position. After this, |
| 319 | * mi and fb are expecting the pixmap to be at the new location. |
| 320 | */ |
| 321 | Bool |
| 322 | RootlessPositionWindow(WindowPtr pWin, int x, int y) |
| 323 | { |
| 324 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 325 | RootlessWindowRec *winRec = WINREC(pWin); |
| 326 | Bool result; |
| 327 | |
| 328 | RL_DEBUG_MSG("positionwindow start (win 0x%x @ %i, %i)\n", pWin, x, y); |
| 329 | |
| 330 | if (winRec) { |
| 331 | if (winRec->is_drawing) { |
| 332 | // Reset frame's pixmap and move it to the new position. |
| 333 | int bw = wBorderWidth(pWin); |
| 334 | |
| 335 | winRec->pixmap->devPrivate.ptr = winRec->pixelData; |
| 336 | SetPixmapBaseToScreen(winRec->pixmap, x - bw, y - bw); |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | SCREEN_UNWRAP(pScreen, PositionWindow); |
| 341 | result = pScreen->PositionWindow(pWin, x, y); |
| 342 | SCREEN_WRAP(pScreen, PositionWindow); |
| 343 | |
| 344 | RL_DEBUG_MSG("positionwindow end\n"); |
| 345 | return result; |
| 346 | } |
| 347 | |
| 348 | /* |
| 349 | * RootlessInitializeFrame |
| 350 | * Initialize some basic attributes of the frame. Note that winRec |
| 351 | * may already have valid data in it, so don't overwrite anything |
| 352 | * valuable. |
| 353 | */ |
| 354 | static void |
| 355 | RootlessInitializeFrame(WindowPtr pWin, RootlessWindowRec * winRec) |
| 356 | { |
| 357 | DrawablePtr d = &pWin->drawable; |
| 358 | int bw = wBorderWidth(pWin); |
| 359 | |
| 360 | winRec->win = pWin; |
| 361 | |
| 362 | winRec->x = d->x - bw; |
| 363 | winRec->y = d->y - bw; |
| 364 | winRec->width = d->width + 2 * bw; |
| 365 | winRec->height = d->height + 2 * bw; |
| 366 | winRec->borderWidth = bw; |
| 367 | } |
| 368 | |
| 369 | /* |
| 370 | * RootlessEnsureFrame |
| 371 | * Make sure the given window is framed. If the window doesn't have a |
| 372 | * physical window associated with it, attempt to create one. If that |
| 373 | * is unsuccessful, return NULL. |
| 374 | */ |
| 375 | static RootlessWindowRec * |
| 376 | RootlessEnsureFrame(WindowPtr pWin) |
| 377 | { |
| 378 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 379 | RootlessWindowRec *winRec; |
| 380 | RegionRec shape; |
| 381 | RegionPtr pShape = NULL; |
| 382 | |
| 383 | if (WINREC(pWin) != NULL) |
| 384 | return WINREC(pWin); |
| 385 | |
| 386 | if (!IsTopLevel(pWin) && !IsRoot(pWin)) |
| 387 | return NULL; |
| 388 | |
| 389 | if (pWin->drawable.class != InputOutput) |
| 390 | return NULL; |
| 391 | |
| 392 | winRec = malloc(sizeof(RootlessWindowRec)); |
| 393 | |
| 394 | if (!winRec) |
| 395 | return NULL; |
| 396 | |
| 397 | RootlessInitializeFrame(pWin, winRec); |
| 398 | |
| 399 | winRec->is_drawing = FALSE; |
| 400 | winRec->is_reorder_pending = FALSE; |
| 401 | winRec->pixmap = NULL; |
| 402 | winRec->wid = NULL; |
| 403 | winRec->level = 0; |
| 404 | |
| 405 | SETWINREC(pWin, winRec); |
| 406 | |
| 407 | // Set the frame's shape if the window is shaped |
| 408 | if (RootlessGetShape(pWin, &shape)) |
| 409 | pShape = &shape; |
| 410 | |
| 411 | RL_DEBUG_MSG("creating frame "); |
| 412 | |
| 413 | if (!SCREENREC(pScreen)->imp->CreateFrame(winRec, pScreen, |
| 414 | winRec->x + SCREEN_TO_GLOBAL_X, |
| 415 | winRec->y + SCREEN_TO_GLOBAL_Y, |
| 416 | pShape)) { |
| 417 | RL_DEBUG_MSG("implementation failed to create frame!\n"); |
| 418 | free(winRec); |
| 419 | SETWINREC(pWin, NULL); |
| 420 | return NULL; |
| 421 | } |
| 422 | |
| 423 | if (pWin->drawable.depth == 8) |
| 424 | RootlessFlushWindowColormap(pWin); |
| 425 | |
| 426 | if (pShape != NULL) |
| 427 | RegionUninit(&shape); |
| 428 | |
| 429 | return winRec; |
| 430 | } |
| 431 | |
| 432 | /* |
| 433 | * RootlessRealizeWindow |
| 434 | * The frame is usually created here and not in CreateWindow so that |
| 435 | * windows do not eat memory until they are realized. |
| 436 | */ |
| 437 | Bool |
| 438 | RootlessRealizeWindow(WindowPtr pWin) |
| 439 | { |
| 440 | Bool result; |
| 441 | RegionRec saveRoot; |
| 442 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 443 | |
| 444 | RL_DEBUG_MSG("realizewindow start (win 0x%x) ", pWin); |
| 445 | |
| 446 | if ((IsTopLevel(pWin) && pWin->drawable.class == InputOutput)) { |
| 447 | RootlessWindowRec *winRec; |
| 448 | |
| 449 | winRec = RootlessEnsureFrame(pWin); |
| 450 | if (winRec == NULL) |
| 451 | return FALSE; |
| 452 | |
| 453 | winRec->is_reorder_pending = TRUE; |
| 454 | |
| 455 | RL_DEBUG_MSG("Top level window "); |
| 456 | |
| 457 | // Disallow ParentRelative background state on top-level windows. |
| 458 | // This might have been set before the window was mapped. |
| 459 | if (pWin->backgroundState == ParentRelative) { |
| 460 | XID pixel = 0; |
| 461 | |
| 462 | ChangeWindowAttributes(pWin, CWBackPixel, &pixel, serverClient); |
| 463 | } |
| 464 | } |
| 465 | |
| 466 | if (!IsRoot(pWin)) |
| 467 | HUGE_ROOT(pWin); |
| 468 | SCREEN_UNWRAP(pScreen, RealizeWindow); |
| 469 | result = pScreen->RealizeWindow(pWin); |
| 470 | SCREEN_WRAP(pScreen, RealizeWindow); |
| 471 | if (!IsRoot(pWin)) |
| 472 | NORMAL_ROOT(pWin); |
| 473 | |
| 474 | RL_DEBUG_MSG("realizewindow end\n"); |
| 475 | return result; |
| 476 | } |
| 477 | |
| 478 | /* |
| 479 | * RootlessFrameForWindow |
| 480 | * Returns the frame ID for the physical window displaying the given window. |
| 481 | * If CREATE is true and the window has no frame, attempt to create one. |
| 482 | */ |
| 483 | RootlessFrameID |
| 484 | RootlessFrameForWindow(WindowPtr pWin, Bool create) |
| 485 | { |
| 486 | WindowPtr pTopWin; |
| 487 | RootlessWindowRec *winRec; |
| 488 | |
| 489 | pTopWin = TopLevelParent(pWin); |
| 490 | if (pTopWin == NULL) |
| 491 | return NULL; |
| 492 | |
| 493 | winRec = WINREC(pTopWin); |
| 494 | |
| 495 | if (winRec == NULL && create && pWin->drawable.class == InputOutput) { |
| 496 | winRec = RootlessEnsureFrame(pTopWin); |
| 497 | } |
| 498 | |
| 499 | if (winRec == NULL) |
| 500 | return NULL; |
| 501 | |
| 502 | return winRec->wid; |
| 503 | } |
| 504 | |
| 505 | /* |
| 506 | * RootlessUnrealizeWindow |
| 507 | * Unmap the physical window. |
| 508 | */ |
| 509 | Bool |
| 510 | RootlessUnrealizeWindow(WindowPtr pWin) |
| 511 | { |
| 512 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 513 | RootlessWindowRec *winRec = WINREC(pWin); |
| 514 | Bool result; |
| 515 | |
| 516 | RL_DEBUG_MSG("unrealizewindow start "); |
| 517 | |
| 518 | if (winRec) { |
| 519 | RootlessStopDrawing(pWin, FALSE); |
| 520 | |
| 521 | SCREENREC(pScreen)->imp->UnmapFrame(winRec->wid); |
| 522 | |
| 523 | winRec->is_reorder_pending = FALSE; |
| 524 | } |
| 525 | |
| 526 | SCREEN_UNWRAP(pScreen, UnrealizeWindow); |
| 527 | result = pScreen->UnrealizeWindow(pWin); |
| 528 | SCREEN_WRAP(pScreen, UnrealizeWindow); |
| 529 | |
| 530 | RL_DEBUG_MSG("unrealizewindow end\n"); |
| 531 | return result; |
| 532 | } |
| 533 | |
| 534 | /* |
| 535 | * RootlessReorderWindow |
| 536 | * Reorder the frame associated with the given window so that it's |
| 537 | * physically above the window below it in the X stacking order. |
| 538 | */ |
| 539 | void |
| 540 | RootlessReorderWindow(WindowPtr pWin) |
| 541 | { |
| 542 | RootlessWindowRec *winRec = WINREC(pWin); |
| 543 | |
| 544 | if (pWin->realized && winRec != NULL && !winRec->is_reorder_pending && |
| 545 | !windows_hidden) { |
| 546 | WindowPtr newPrevW; |
| 547 | RootlessWindowRec *newPrev; |
| 548 | RootlessFrameID newPrevID; |
| 549 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 550 | |
| 551 | /* Check if the implementation wants the frame to not be reordered |
| 552 | even though the X11 window is restacked. This can be useful if |
| 553 | frames are ordered-in with animation so that the reordering is not |
| 554 | done until the animation is complete. */ |
| 555 | if (SCREENREC(pScreen)->imp->DoReorderWindow) { |
| 556 | if (!SCREENREC(pScreen)->imp->DoReorderWindow(winRec)) |
| 557 | return; |
| 558 | } |
| 559 | |
| 560 | RootlessStopDrawing(pWin, FALSE); |
| 561 | |
| 562 | /* Find the next window above this one that has a mapped frame. |
| 563 | * Only include cases where the windows are in the same category of |
| 564 | * hittability to ensure offscreen windows dont get restacked |
| 565 | * relative to onscreen ones (but that the offscreen ones maintain |
| 566 | * their stacking order if they are explicitly asked to Reorder |
| 567 | */ |
| 568 | |
| 569 | newPrevW = pWin->prevSib; |
| 570 | while (newPrevW && |
| 571 | (WINREC(newPrevW) == NULL || !newPrevW->realized || |
| 572 | newPrevW->rootlessUnhittable != pWin->rootlessUnhittable)) |
| 573 | newPrevW = newPrevW->prevSib; |
| 574 | |
| 575 | newPrev = newPrevW != NULL ? WINREC(newPrevW) : NULL; |
| 576 | newPrevID = newPrev != NULL ? newPrev->wid : 0; |
| 577 | |
| 578 | /* If it exists, reorder the frame above us first. */ |
| 579 | |
| 580 | if (newPrev && newPrev->is_reorder_pending) { |
| 581 | newPrev->is_reorder_pending = FALSE; |
| 582 | RootlessReorderWindow(newPrevW); |
| 583 | } |
| 584 | |
| 585 | SCREENREC(pScreen)->imp->RestackFrame(winRec->wid, newPrevID); |
| 586 | } |
| 587 | } |
| 588 | |
| 589 | /* |
| 590 | * RootlessRestackWindow |
| 591 | * This is a hook for when DIX changes the window stacking order. |
| 592 | * The window has already been inserted into its new position in the |
| 593 | * DIX window stack. We need to change the order of the physical |
| 594 | * window to match. |
| 595 | */ |
| 596 | void |
| 597 | RootlessRestackWindow(WindowPtr pWin, WindowPtr pOldNextSib) |
| 598 | { |
| 599 | RegionRec saveRoot; |
| 600 | RootlessWindowRec *winRec = WINREC(pWin); |
| 601 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 602 | |
| 603 | RL_DEBUG_MSG("restackwindow start "); |
| 604 | if (winRec) |
| 605 | RL_DEBUG_MSG("restack top level \n"); |
| 606 | |
| 607 | HUGE_ROOT(pWin); |
| 608 | SCREEN_UNWRAP(pScreen, RestackWindow); |
| 609 | |
| 610 | if (pScreen->RestackWindow) |
| 611 | pScreen->RestackWindow(pWin, pOldNextSib); |
| 612 | |
| 613 | SCREEN_WRAP(pScreen, RestackWindow); |
| 614 | NORMAL_ROOT(pWin); |
| 615 | |
| 616 | if (winRec && pWin->viewable) { |
| 617 | RootlessReorderWindow(pWin); |
| 618 | } |
| 619 | |
| 620 | RL_DEBUG_MSG("restackwindow end\n"); |
| 621 | } |
| 622 | |
| 623 | /* |
| 624 | * Specialized window copy procedures |
| 625 | */ |
| 626 | |
| 627 | // Globals needed during window resize and move. |
| 628 | static pointer gResizeDeathBits = NULL; |
| 629 | static int gResizeDeathCount = 0; |
| 630 | static PixmapPtr gResizeDeathPix[2] = { NULL, NULL }; |
| 631 | |
| 632 | static BoxRec gResizeDeathBounds[2]; |
| 633 | static CopyWindowProcPtr gResizeOldCopyWindowProc = NULL; |
| 634 | |
| 635 | /* |
| 636 | * RootlessNoCopyWindow |
| 637 | * CopyWindow() that doesn't do anything. For MoveWindow() of |
| 638 | * top-level windows. |
| 639 | */ |
| 640 | static void |
| 641 | RootlessNoCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) |
| 642 | { |
| 643 | // some code expects the region to be translated |
| 644 | int dx = ptOldOrg.x - pWin->drawable.x; |
| 645 | int dy = ptOldOrg.y - pWin->drawable.y; |
| 646 | |
| 647 | RL_DEBUG_MSG("ROOTLESSNOCOPYWINDOW "); |
| 648 | |
| 649 | RegionTranslate(prgnSrc, -dx, -dy); |
| 650 | } |
| 651 | |
| 652 | /* |
| 653 | * RootlessResizeCopyWindow |
| 654 | * CopyWindow used during ResizeWindow for gravity moves. Based on |
| 655 | * fbCopyWindow. The original always draws on the root pixmap, which |
| 656 | * we don't have. Instead, draw on the parent window's pixmap. |
| 657 | * Resize version: the old location's pixels are in gResizeCopyWindowSource. |
| 658 | */ |
| 659 | static void |
| 660 | RootlessResizeCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, |
| 661 | RegionPtr prgnSrc) |
| 662 | { |
| 663 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 664 | RegionRec rgnDst; |
| 665 | int dx, dy; |
| 666 | |
| 667 | RL_DEBUG_MSG("resizecopywindowFB start (win 0x%x) ", pWin); |
| 668 | |
| 669 | /* Don't unwrap pScreen->CopyWindow. |
| 670 | The bogus rewrap with RootlessCopyWindow causes a crash if |
| 671 | CopyWindow is called again during the same resize. */ |
| 672 | |
| 673 | if (gResizeDeathCount == 0) |
| 674 | return; |
| 675 | |
| 676 | RootlessStartDrawing(pWin); |
| 677 | |
| 678 | dx = ptOldOrg.x - pWin->drawable.x; |
| 679 | dy = ptOldOrg.y - pWin->drawable.y; |
| 680 | RegionTranslate(prgnSrc, -dx, -dy); |
| 681 | RegionNull(&rgnDst); |
| 682 | RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc); |
| 683 | |
| 684 | if (gResizeDeathCount == 1) { |
| 685 | /* Simple case, we only have a single source pixmap. */ |
| 686 | |
| 687 | miCopyRegion(&gResizeDeathPix[0]->drawable, |
| 688 | &pScreen->GetWindowPixmap(pWin)->drawable, 0, |
| 689 | &rgnDst, dx, dy, fbCopyWindowProc, 0, 0); |
| 690 | } |
| 691 | else { |
| 692 | int i; |
| 693 | RegionRec clip, clipped; |
| 694 | |
| 695 | /* More complex case, N source pixmaps (usually two). So we |
| 696 | intersect the destination with each source and copy those bits. */ |
| 697 | |
| 698 | for (i = 0; i < gResizeDeathCount; i++) { |
| 699 | RegionInit(&clip, gResizeDeathBounds + 0, 1); |
| 700 | RegionNull(&clipped); |
| 701 | RegionIntersect(&rgnDst, &clip, &clipped); |
| 702 | |
| 703 | miCopyRegion(&gResizeDeathPix[i]->drawable, |
| 704 | &pScreen->GetWindowPixmap(pWin)->drawable, 0, |
| 705 | &clipped, dx, dy, fbCopyWindowProc, 0, 0); |
| 706 | |
| 707 | RegionUninit(&clipped); |
| 708 | RegionUninit(&clip); |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | /* Don't update - resize will update everything */ |
| 713 | RegionUninit(&rgnDst); |
| 714 | |
| 715 | fbValidateDrawable(&pWin->drawable); |
| 716 | |
| 717 | RL_DEBUG_MSG("resizecopywindowFB end\n"); |
| 718 | } |
| 719 | |
| 720 | /* |
| 721 | * RootlessCopyWindow |
| 722 | * Update *new* location of window. Old location is redrawn with |
| 723 | * miPaintWindow. Cloned from fbCopyWindow. |
| 724 | * The original always draws on the root pixmap, which we don't have. |
| 725 | * Instead, draw on the parent window's pixmap. |
| 726 | */ |
| 727 | void |
| 728 | RootlessCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) |
| 729 | { |
| 730 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 731 | RegionRec rgnDst; |
| 732 | int dx, dy; |
| 733 | BoxPtr extents; |
| 734 | int area; |
| 735 | |
| 736 | RL_DEBUG_MSG("copywindowFB start (win 0x%x) ", pWin); |
| 737 | |
| 738 | SCREEN_UNWRAP(pScreen, CopyWindow); |
| 739 | |
| 740 | dx = ptOldOrg.x - pWin->drawable.x; |
| 741 | dy = ptOldOrg.y - pWin->drawable.y; |
| 742 | RegionTranslate(prgnSrc, -dx, -dy); |
| 743 | |
| 744 | RegionNull(&rgnDst); |
| 745 | RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc); |
| 746 | |
| 747 | extents = RegionExtents(&rgnDst); |
| 748 | area = (extents->x2 - extents->x1) * (extents->y2 - extents->y1); |
| 749 | |
| 750 | /* If the area exceeds threshold, use the implementation's |
| 751 | accelerated version. */ |
| 752 | if (area > rootless_CopyWindow_threshold && |
| 753 | SCREENREC(pScreen)->imp->CopyWindow) { |
| 754 | RootlessWindowRec *winRec; |
| 755 | WindowPtr top; |
| 756 | |
| 757 | top = TopLevelParent(pWin); |
| 758 | if (top == NULL) { |
| 759 | RL_DEBUG_MSG("no parent\n"); |
| 760 | goto out; |
| 761 | } |
| 762 | |
| 763 | winRec = WINREC(top); |
| 764 | if (winRec == NULL) { |
| 765 | RL_DEBUG_MSG("not framed\n"); |
| 766 | goto out; |
| 767 | } |
| 768 | |
| 769 | /* Move region to window local coords */ |
| 770 | RegionTranslate(&rgnDst, -winRec->x, -winRec->y); |
| 771 | |
| 772 | RootlessStopDrawing(pWin, FALSE); |
| 773 | |
| 774 | SCREENREC(pScreen)->imp->CopyWindow(winRec->wid, |
| 775 | RegionNumRects(&rgnDst), |
| 776 | RegionRects(&rgnDst), dx, dy); |
| 777 | } |
| 778 | else { |
| 779 | RootlessStartDrawing(pWin); |
| 780 | |
| 781 | miCopyRegion((DrawablePtr) pWin, (DrawablePtr) pWin, |
| 782 | 0, &rgnDst, dx, dy, fbCopyWindowProc, 0, 0); |
| 783 | |
| 784 | /* prgnSrc has been translated to dst position */ |
| 785 | RootlessDamageRegion(pWin, prgnSrc); |
| 786 | } |
| 787 | |
| 788 | out: |
| 789 | RegionUninit(&rgnDst); |
| 790 | fbValidateDrawable(&pWin->drawable); |
| 791 | |
| 792 | SCREEN_WRAP(pScreen, CopyWindow); |
| 793 | |
| 794 | RL_DEBUG_MSG("copywindowFB end\n"); |
| 795 | } |
| 796 | |
| 797 | /* |
| 798 | * Window resize procedures |
| 799 | */ |
| 800 | |
| 801 | enum { |
| 802 | WIDTH_SMALLER = 1, |
| 803 | HEIGHT_SMALLER = 2, |
| 804 | }; |
| 805 | |
| 806 | /* |
| 807 | * ResizeWeighting |
| 808 | * Choose gravity to avoid local copies. Do that by looking for |
| 809 | * a corner that doesn't move _relative to the screen_. |
| 810 | */ |
| 811 | static inline unsigned int |
| 812 | ResizeWeighting(int oldX1, int oldY1, int oldX2, int oldY2, int oldBW, |
| 813 | int newX1, int newY1, int newX2, int newY2, int newBW) |
| 814 | { |
| 815 | #ifdef ROOTLESS_RESIZE_GRAVITY |
| 816 | if (newBW != oldBW) |
| 817 | return RL_GRAVITY_NONE; |
| 818 | |
| 819 | if (newX1 == oldX1 && newY1 == oldY1) |
| 820 | return RL_GRAVITY_NORTH_WEST; |
| 821 | else if (newX1 == oldX1 && newY2 == oldY2) |
| 822 | return RL_GRAVITY_SOUTH_WEST; |
| 823 | else if (newX2 == oldX2 && newY2 == oldY2) |
| 824 | return RL_GRAVITY_SOUTH_EAST; |
| 825 | else if (newX2 == oldX2 && newY1 == oldY1) |
| 826 | return RL_GRAVITY_NORTH_EAST; |
| 827 | else |
| 828 | return RL_GRAVITY_NONE; |
| 829 | #else |
| 830 | return RL_GRAVITY_NONE; |
| 831 | #endif |
| 832 | } |
| 833 | |
| 834 | /* |
| 835 | * StartFrameResize |
| 836 | * Prepare to resize a top-level window. The old window's pixels are |
| 837 | * saved and the implementation is told to change the window size. |
| 838 | * (x,y,w,h) is outer frame of window (outside border) |
| 839 | */ |
| 840 | static Bool |
| 841 | StartFrameResize(WindowPtr pWin, Bool gravity, |
| 842 | int oldX, int oldY, int oldW, int oldH, int oldBW, |
| 843 | int newX, int newY, int newW, int newH, int newBW) |
| 844 | { |
| 845 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 846 | RootlessWindowRec *winRec = WINREC(pWin); |
| 847 | Bool need_window_source = FALSE, resize_after = FALSE; |
| 848 | |
| 849 | BoxRec rect; |
| 850 | int oldX2, newX2; |
| 851 | int oldY2, newY2; |
| 852 | unsigned int weight; |
| 853 | |
| 854 | oldX2 = oldX + oldW, newX2 = newX + newW; |
| 855 | oldY2 = oldY + oldH, newY2 = newY + newH; |
| 856 | |
| 857 | /* Decide which resize weighting to use */ |
| 858 | weight = ResizeWeighting(oldX, oldY, oldW, oldH, oldBW, |
| 859 | newX, newY, newW, newH, newBW); |
| 860 | |
| 861 | /* Compute intersection between old and new rects */ |
| 862 | rect.x1 = max(oldX, newX); |
| 863 | rect.y1 = max(oldY, newY); |
| 864 | rect.x2 = min(oldX2, newX2); |
| 865 | rect.y2 = min(oldY2, newY2); |
| 866 | |
| 867 | RL_DEBUG_MSG("RESIZE TOPLEVEL WINDOW with gravity %i ", gravity); |
| 868 | RL_DEBUG_MSG("%d %d %d %d %d %d %d %d %d %d\n", |
| 869 | oldX, oldY, oldW, oldH, oldBW, newX, newY, newW, newH, newBW); |
| 870 | |
| 871 | RootlessRedisplay(pWin); |
| 872 | |
| 873 | /* If gravity is true, then we need to have a way of recovering all |
| 874 | the original bits in the window for when X rearranges the contents |
| 875 | based on the various gravity settings. The obvious way is to just |
| 876 | snapshot the entire backing store before resizing it, but that |
| 877 | it slow on large windows. |
| 878 | |
| 879 | So the optimization here is to use the implementation's resize |
| 880 | weighting options (if available) to allow us to reason about what |
| 881 | is left in the backing store after the resize. We can then only |
| 882 | copy what won't be there after the resize, and do a two-stage copy |
| 883 | operation. |
| 884 | |
| 885 | Most of these optimizations are only applied when the top-left |
| 886 | corner of the window is fixed, since that's the common case. They |
| 887 | could probably be extended with some thought. */ |
| 888 | |
| 889 | gResizeDeathCount = 0; |
| 890 | |
| 891 | if (gravity && weight == RL_GRAVITY_NORTH_WEST) { |
| 892 | unsigned int code = 0; |
| 893 | |
| 894 | /* Top left corner is anchored. We never need to copy the |
| 895 | entire window. */ |
| 896 | |
| 897 | need_window_source = TRUE; |
| 898 | |
| 899 | /* These comparisons were chosen to avoid setting bits when the sizes |
| 900 | are the same. (So the fastest case automatically gets taken when |
| 901 | dimensions are unchanging.) */ |
| 902 | |
| 903 | if (newW < oldW) |
| 904 | code |= WIDTH_SMALLER; |
| 905 | if (newH < oldH) |
| 906 | code |= HEIGHT_SMALLER; |
| 907 | |
| 908 | if (((code ^ (code >> 1)) & 1) == 0) { |
| 909 | /* Both dimensions are either getting larger, or both |
| 910 | are getting smaller. No need to copy anything. */ |
| 911 | |
| 912 | if (code == (WIDTH_SMALLER | HEIGHT_SMALLER)) { |
| 913 | /* Since the window is getting smaller, we can do gravity |
| 914 | repair on it with it's current size, then resize it |
| 915 | afterwards. */ |
| 916 | |
| 917 | resize_after = TRUE; |
| 918 | } |
| 919 | |
| 920 | gResizeDeathCount = 1; |
| 921 | } |
| 922 | else { |
| 923 | unsigned int copy_rowbytes, Bpp; |
| 924 | unsigned int copy_rect_width, copy_rect_height; |
| 925 | BoxRec copy_rect; |
| 926 | |
| 927 | /* We can get away with a partial copy. 'rect' is the |
| 928 | intersection between old and new bounds, so copy |
| 929 | everything to the right of or below the intersection. */ |
| 930 | |
| 931 | RootlessStartDrawing(pWin); |
| 932 | |
| 933 | if (code == WIDTH_SMALLER) { |
| 934 | copy_rect.x1 = rect.x2; |
| 935 | copy_rect.y1 = rect.y1; |
| 936 | copy_rect.x2 = oldX2; |
| 937 | copy_rect.y2 = oldY2; |
| 938 | } |
| 939 | else if (code == HEIGHT_SMALLER) { |
| 940 | copy_rect.x1 = rect.x1; |
| 941 | copy_rect.y1 = rect.y2; |
| 942 | copy_rect.x2 = oldX2; |
| 943 | copy_rect.y2 = oldY2; |
| 944 | } |
| 945 | else |
| 946 | OsAbort(); |
| 947 | |
| 948 | Bpp = winRec->win->drawable.bitsPerPixel / 8; |
| 949 | copy_rect_width = copy_rect.x2 - copy_rect.x1; |
| 950 | copy_rect_height = copy_rect.y2 - copy_rect.y1; |
| 951 | copy_rowbytes = ((copy_rect_width * Bpp) + 31) & ~31; |
| 952 | gResizeDeathBits = malloc(copy_rowbytes * copy_rect_height); |
| 953 | |
| 954 | if (copy_rect_width * copy_rect_height > |
| 955 | rootless_CopyBytes_threshold && |
| 956 | SCREENREC(pScreen)->imp->CopyBytes) { |
| 957 | SCREENREC(pScreen)->imp->CopyBytes(copy_rect_width * Bpp, |
| 958 | copy_rect_height, |
| 959 | ((char *) winRec->pixelData) |
| 960 | + |
| 961 | ((copy_rect.y1 - |
| 962 | oldY) * |
| 963 | winRec->bytesPerRow) |
| 964 | + (copy_rect.x1 - |
| 965 | oldX) * Bpp, |
| 966 | winRec->bytesPerRow, |
| 967 | gResizeDeathBits, |
| 968 | copy_rowbytes); |
| 969 | } |
| 970 | else { |
| 971 | fbBlt((FbBits *) (winRec->pixelData |
| 972 | + |
| 973 | ((copy_rect.y1 - oldY) * winRec->bytesPerRow) |
| 974 | + (copy_rect.x1 - oldX) * Bpp), |
| 975 | winRec->bytesPerRow / sizeof(FbBits), 0, |
| 976 | (FbBits *) gResizeDeathBits, |
| 977 | copy_rowbytes / sizeof(FbBits), 0, copy_rect_width * Bpp, |
| 978 | copy_rect_height, GXcopy, FB_ALLONES, Bpp, 0, 0); |
| 979 | } |
| 980 | |
| 981 | gResizeDeathBounds[1] = copy_rect; |
| 982 | gResizeDeathPix[1] |
| 983 | = GetScratchPixmapHeader(pScreen, copy_rect_width, |
| 984 | copy_rect_height, |
| 985 | winRec->win->drawable.depth, |
| 986 | winRec->win->drawable.bitsPerPixel, |
| 987 | winRec->bytesPerRow, |
| 988 | (void *) gResizeDeathBits); |
| 989 | |
| 990 | SetPixmapBaseToScreen(gResizeDeathPix[1], |
| 991 | copy_rect.x1, copy_rect.y1); |
| 992 | |
| 993 | gResizeDeathCount = 2; |
| 994 | } |
| 995 | } |
| 996 | else if (gravity) { |
| 997 | /* The general case. Just copy everything. */ |
| 998 | |
| 999 | RootlessStartDrawing(pWin); |
| 1000 | |
| 1001 | gResizeDeathBits = malloc(winRec->bytesPerRow * winRec->height); |
| 1002 | |
| 1003 | memcpy(gResizeDeathBits, winRec->pixelData, |
| 1004 | winRec->bytesPerRow * winRec->height); |
| 1005 | |
| 1006 | gResizeDeathBounds[0] = (BoxRec) { |
| 1007 | oldX, oldY, oldX2, oldY2}; |
| 1008 | gResizeDeathPix[0] |
| 1009 | = GetScratchPixmapHeader(pScreen, winRec->width, |
| 1010 | winRec->height, |
| 1011 | winRec->win->drawable.depth, |
| 1012 | winRec->win->drawable.bitsPerPixel, |
| 1013 | winRec->bytesPerRow, |
| 1014 | (void *) gResizeDeathBits); |
| 1015 | |
| 1016 | SetPixmapBaseToScreen(gResizeDeathPix[0], oldX, oldY); |
| 1017 | gResizeDeathCount = 1; |
| 1018 | } |
| 1019 | |
| 1020 | RootlessStopDrawing(pWin, FALSE); |
| 1021 | |
| 1022 | winRec->x = newX; |
| 1023 | winRec->y = newY; |
| 1024 | winRec->width = newW; |
| 1025 | winRec->height = newH; |
| 1026 | winRec->borderWidth = newBW; |
| 1027 | |
| 1028 | /* Unless both dimensions are getting smaller, Resize the frame |
| 1029 | before doing gravity repair */ |
| 1030 | |
| 1031 | if (!resize_after) { |
| 1032 | SCREENREC(pScreen)->imp->ResizeFrame(winRec->wid, pScreen, |
| 1033 | newX + SCREEN_TO_GLOBAL_X, |
| 1034 | newY + SCREEN_TO_GLOBAL_Y, |
| 1035 | newW, newH, weight); |
| 1036 | } |
| 1037 | |
| 1038 | RootlessStartDrawing(pWin); |
| 1039 | |
| 1040 | /* If necessary, create a source pixmap pointing at the current |
| 1041 | window bits. */ |
| 1042 | |
| 1043 | if (need_window_source) { |
| 1044 | gResizeDeathBounds[0] = (BoxRec) { |
| 1045 | oldX, oldY, oldX2, oldY2}; |
| 1046 | gResizeDeathPix[0] |
| 1047 | = GetScratchPixmapHeader(pScreen, oldW, oldH, |
| 1048 | winRec->win->drawable.depth, |
| 1049 | winRec->win->drawable.bitsPerPixel, |
| 1050 | winRec->bytesPerRow, winRec->pixelData); |
| 1051 | |
| 1052 | SetPixmapBaseToScreen(gResizeDeathPix[0], oldX, oldY); |
| 1053 | } |
| 1054 | |
| 1055 | /* Use custom CopyWindow when moving gravity bits around |
| 1056 | ResizeWindow assumes the old window contents are in the same |
| 1057 | pixmap, but here they're in deathPix instead. */ |
| 1058 | |
| 1059 | if (gravity) { |
| 1060 | gResizeOldCopyWindowProc = pScreen->CopyWindow; |
| 1061 | pScreen->CopyWindow = RootlessResizeCopyWindow; |
| 1062 | } |
| 1063 | |
| 1064 | /* If we can't rely on the window server preserving the bits we |
| 1065 | need in the position we need, copy the pixels in the |
| 1066 | intersection from src to dst. ResizeWindow assumes these pixels |
| 1067 | are already present when making gravity adjustments. pWin |
| 1068 | currently has new-sized pixmap but is in old position. |
| 1069 | |
| 1070 | FIXME: border width change! (?) */ |
| 1071 | |
| 1072 | if (gravity && weight == RL_GRAVITY_NONE) { |
| 1073 | PixmapPtr src, dst; |
| 1074 | |
| 1075 | assert(gResizeDeathCount == 1); |
| 1076 | |
| 1077 | src = gResizeDeathPix[0]; |
| 1078 | dst = pScreen->GetWindowPixmap(pWin); |
| 1079 | |
| 1080 | RL_DEBUG_MSG("Resize copy rect %d %d %d %d\n", |
| 1081 | rect.x1, rect.y1, rect.x2, rect.y2); |
| 1082 | |
| 1083 | /* rect is the intersection of the old location and new location */ |
| 1084 | if (BOX_NOT_EMPTY(rect) && src != NULL && dst != NULL) { |
| 1085 | /* The window drawable still has the old frame position, which |
| 1086 | means that DST doesn't actually point at the origin of our |
| 1087 | physical backing store when adjusted by the drawable.x,y |
| 1088 | position. So sneakily adjust it temporarily while copying.. */ |
| 1089 | |
| 1090 | ((PixmapPtr) dst)->devPrivate.ptr = winRec->pixelData; |
| 1091 | SetPixmapBaseToScreen(dst, newX, newY); |
| 1092 | |
| 1093 | fbCopyWindowProc(&src->drawable, &dst->drawable, NULL, |
| 1094 | &rect, 1, 0, 0, FALSE, FALSE, 0, 0); |
| 1095 | |
| 1096 | ((PixmapPtr) dst)->devPrivate.ptr = winRec->pixelData; |
| 1097 | SetPixmapBaseToScreen(dst, oldX, oldY); |
| 1098 | } |
| 1099 | } |
| 1100 | |
| 1101 | return resize_after; |
| 1102 | } |
| 1103 | |
| 1104 | static void |
| 1105 | FinishFrameResize(WindowPtr pWin, Bool gravity, int oldX, int oldY, |
| 1106 | unsigned int oldW, unsigned int oldH, unsigned int oldBW, |
| 1107 | int newX, int newY, unsigned int newW, unsigned int newH, |
| 1108 | unsigned int newBW, Bool resize_now) |
| 1109 | { |
| 1110 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 1111 | RootlessWindowRec *winRec = WINREC(pWin); |
| 1112 | int i; |
| 1113 | |
| 1114 | RootlessStopDrawing(pWin, FALSE); |
| 1115 | |
| 1116 | if (resize_now) { |
| 1117 | unsigned int weight; |
| 1118 | |
| 1119 | /* We didn't resize anything earlier, so do it now, now that |
| 1120 | we've finished gravitating the bits. */ |
| 1121 | |
| 1122 | weight = ResizeWeighting(oldX, oldY, oldW, oldH, oldBW, |
| 1123 | newX, newY, newW, newH, newBW); |
| 1124 | |
| 1125 | SCREENREC(pScreen)->imp->ResizeFrame(winRec->wid, pScreen, |
| 1126 | newX + SCREEN_TO_GLOBAL_X, |
| 1127 | newY + SCREEN_TO_GLOBAL_Y, |
| 1128 | newW, newH, weight); |
| 1129 | } |
| 1130 | |
| 1131 | /* Redraw everything. FIXME: there must be times when we don't need |
| 1132 | to do this. Perhaps when top-left weighting and no gravity? */ |
| 1133 | |
| 1134 | RootlessDamageRect(pWin, -newBW, -newBW, newW, newH); |
| 1135 | |
| 1136 | for (i = 0; i < 2; i++) { |
| 1137 | if (gResizeDeathPix[i] != NULL) { |
| 1138 | FreeScratchPixmapHeader(gResizeDeathPix[i]); |
| 1139 | gResizeDeathPix[i] = NULL; |
| 1140 | } |
| 1141 | } |
| 1142 | |
| 1143 | free(gResizeDeathBits); |
| 1144 | gResizeDeathBits = NULL; |
| 1145 | |
| 1146 | if (gravity) { |
| 1147 | pScreen->CopyWindow = gResizeOldCopyWindowProc; |
| 1148 | } |
| 1149 | } |
| 1150 | |
| 1151 | /* |
| 1152 | * RootlessMoveWindow |
| 1153 | * If kind==VTOther, window border is resizing (and borderWidth is |
| 1154 | * already changed!!@#$) This case works like window resize, not move. |
| 1155 | */ |
| 1156 | void |
| 1157 | RootlessMoveWindow(WindowPtr pWin, int x, int y, WindowPtr pSib, VTKind kind) |
| 1158 | { |
| 1159 | RootlessWindowRec *winRec = WINREC(pWin); |
| 1160 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 1161 | CopyWindowProcPtr oldCopyWindowProc = NULL; |
| 1162 | int oldX = 0, oldY = 0, newX = 0, newY = 0; |
| 1163 | unsigned int oldW = 0, oldH = 0, oldBW = 0; |
| 1164 | unsigned int newW = 0, newH = 0, newBW = 0; |
| 1165 | Bool resize_after = FALSE; |
| 1166 | RegionRec saveRoot; |
| 1167 | |
| 1168 | RL_DEBUG_MSG("movewindow start \n"); |
| 1169 | |
| 1170 | if (winRec) { |
| 1171 | if (kind == VTMove) { |
| 1172 | oldX = winRec->x; |
| 1173 | oldY = winRec->y; |
| 1174 | RootlessRedisplay(pWin); |
| 1175 | RootlessStartDrawing(pWin); |
| 1176 | } |
| 1177 | else { |
| 1178 | RL_DEBUG_MSG("movewindow border resizing "); |
| 1179 | |
| 1180 | oldBW = winRec->borderWidth; |
| 1181 | oldX = winRec->x; |
| 1182 | oldY = winRec->y; |
| 1183 | oldW = winRec->width; |
| 1184 | oldH = winRec->height; |
| 1185 | |
| 1186 | newBW = wBorderWidth(pWin); |
| 1187 | newX = x; |
| 1188 | newY = y; |
| 1189 | newW = pWin->drawable.width + 2 * newBW; |
| 1190 | newH = pWin->drawable.height + 2 * newBW; |
| 1191 | |
| 1192 | resize_after = StartFrameResize(pWin, FALSE, |
| 1193 | oldX, oldY, oldW, oldH, oldBW, |
| 1194 | newX, newY, newW, newH, newBW); |
| 1195 | } |
| 1196 | } |
| 1197 | |
| 1198 | HUGE_ROOT(pWin); |
| 1199 | SCREEN_UNWRAP(pScreen, MoveWindow); |
| 1200 | |
| 1201 | if (winRec) { |
| 1202 | oldCopyWindowProc = pScreen->CopyWindow; |
| 1203 | pScreen->CopyWindow = RootlessNoCopyWindow; |
| 1204 | } |
| 1205 | pScreen->MoveWindow(pWin, x, y, pSib, kind); |
| 1206 | if (winRec) { |
| 1207 | pScreen->CopyWindow = oldCopyWindowProc; |
| 1208 | } |
| 1209 | |
| 1210 | NORMAL_ROOT(pWin); |
| 1211 | SCREEN_WRAP(pScreen, MoveWindow); |
| 1212 | |
| 1213 | if (winRec) { |
| 1214 | if (kind == VTMove) { |
| 1215 | winRec->x = x; |
| 1216 | winRec->y = y; |
| 1217 | RootlessStopDrawing(pWin, FALSE); |
| 1218 | SCREENREC(pScreen)->imp->MoveFrame(winRec->wid, pScreen, |
| 1219 | x + SCREEN_TO_GLOBAL_X, |
| 1220 | y + SCREEN_TO_GLOBAL_Y); |
| 1221 | } |
| 1222 | else { |
| 1223 | FinishFrameResize(pWin, FALSE, oldX, oldY, oldW, oldH, oldBW, |
| 1224 | newX, newY, newW, newH, newBW, resize_after); |
| 1225 | } |
| 1226 | } |
| 1227 | |
| 1228 | RL_DEBUG_MSG("movewindow end\n"); |
| 1229 | } |
| 1230 | |
| 1231 | /* |
| 1232 | * RootlessResizeWindow |
| 1233 | * Note: (x, y, w, h) as passed to this procedure don't match the frame |
| 1234 | * definition. (x,y) is corner of very outer edge, *outside* border. |
| 1235 | * w,h is width and height *inside* border, *ignoring* border width. |
| 1236 | * The rect (x, y, w, h) doesn't mean anything. (x, y, w+2*bw, h+2*bw) |
| 1237 | * is total rect and (x+bw, y+bw, w, h) is inner rect. |
| 1238 | */ |
| 1239 | void |
| 1240 | RootlessResizeWindow(WindowPtr pWin, int x, int y, |
| 1241 | unsigned int w, unsigned int h, WindowPtr pSib) |
| 1242 | { |
| 1243 | RootlessWindowRec *winRec = WINREC(pWin); |
| 1244 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 1245 | int oldX = 0, oldY = 0, newX = 0, newY = 0; |
| 1246 | unsigned int oldW = 0, oldH = 0, oldBW = 0, newW = 0, newH = 0, newBW = 0; |
| 1247 | Bool resize_after = FALSE; |
| 1248 | RegionRec saveRoot; |
| 1249 | |
| 1250 | RL_DEBUG_MSG("resizewindow start (win 0x%x) ", pWin); |
| 1251 | |
| 1252 | if (pWin->parent) { |
| 1253 | if (winRec) { |
| 1254 | oldBW = winRec->borderWidth; |
| 1255 | oldX = winRec->x; |
| 1256 | oldY = winRec->y; |
| 1257 | oldW = winRec->width; |
| 1258 | oldH = winRec->height; |
| 1259 | |
| 1260 | newBW = oldBW; |
| 1261 | newX = x; |
| 1262 | newY = y; |
| 1263 | newW = w + 2 * newBW; |
| 1264 | newH = h + 2 * newBW; |
| 1265 | |
| 1266 | resize_after = StartFrameResize(pWin, TRUE, |
| 1267 | oldX, oldY, oldW, oldH, oldBW, |
| 1268 | newX, newY, newW, newH, newBW); |
| 1269 | } |
| 1270 | |
| 1271 | HUGE_ROOT(pWin); |
| 1272 | SCREEN_UNWRAP(pScreen, ResizeWindow); |
| 1273 | pScreen->ResizeWindow(pWin, x, y, w, h, pSib); |
| 1274 | SCREEN_WRAP(pScreen, ResizeWindow); |
| 1275 | NORMAL_ROOT(pWin); |
| 1276 | |
| 1277 | if (winRec) { |
| 1278 | FinishFrameResize(pWin, TRUE, oldX, oldY, oldW, oldH, oldBW, |
| 1279 | newX, newY, newW, newH, newBW, resize_after); |
| 1280 | } |
| 1281 | } |
| 1282 | else { |
| 1283 | /* Special case for resizing the root window */ |
| 1284 | BoxRec box; |
| 1285 | |
| 1286 | pWin->drawable.x = x; |
| 1287 | pWin->drawable.y = y; |
| 1288 | pWin->drawable.width = w; |
| 1289 | pWin->drawable.height = h; |
| 1290 | |
| 1291 | box.x1 = x; |
| 1292 | box.y1 = y; |
| 1293 | box.x2 = x + w; |
| 1294 | box.y2 = y + h; |
| 1295 | RegionUninit(&pWin->winSize); |
| 1296 | RegionInit(&pWin->winSize, &box, 1); |
| 1297 | RegionCopy(&pWin->borderSize, &pWin->winSize); |
| 1298 | RegionCopy(&pWin->clipList, &pWin->winSize); |
| 1299 | RegionCopy(&pWin->borderClip, &pWin->winSize); |
| 1300 | |
| 1301 | if (winRec) { |
| 1302 | SCREENREC(pScreen)->imp->ResizeFrame(winRec->wid, pScreen, |
| 1303 | x + SCREEN_TO_GLOBAL_X, |
| 1304 | y + SCREEN_TO_GLOBAL_Y, |
| 1305 | w, h, RL_GRAVITY_NONE); |
| 1306 | } |
| 1307 | |
| 1308 | miSendExposures(pWin, &pWin->borderClip, |
| 1309 | pWin->drawable.x, pWin->drawable.y); |
| 1310 | } |
| 1311 | |
| 1312 | RL_DEBUG_MSG("resizewindow end\n"); |
| 1313 | } |
| 1314 | |
| 1315 | /* |
| 1316 | * RootlessRepositionWindow |
| 1317 | * Called by the implementation when a window needs to be repositioned to |
| 1318 | * its correct location on the screen. This routine is typically needed |
| 1319 | * due to changes in the underlying window system, such as a screen layout |
| 1320 | * change. |
| 1321 | */ |
| 1322 | void |
| 1323 | RootlessRepositionWindow(WindowPtr pWin) |
| 1324 | { |
| 1325 | RootlessWindowRec *winRec = WINREC(pWin); |
| 1326 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 1327 | |
| 1328 | if (winRec == NULL) |
| 1329 | return; |
| 1330 | |
| 1331 | RootlessStopDrawing(pWin, FALSE); |
| 1332 | SCREENREC(pScreen)->imp->MoveFrame(winRec->wid, pScreen, |
| 1333 | winRec->x + SCREEN_TO_GLOBAL_X, |
| 1334 | winRec->y + SCREEN_TO_GLOBAL_Y); |
| 1335 | |
| 1336 | RootlessReorderWindow(pWin); |
| 1337 | } |
| 1338 | |
| 1339 | /* |
| 1340 | * RootlessReparentWindow |
| 1341 | * Called after a window has been reparented. Generally windows are not |
| 1342 | * framed until they are mapped. However, a window may be framed early by the |
| 1343 | * implementation calling RootlessFrameForWindow. (e.g. this could be needed |
| 1344 | * to attach a VRAM surface to it.) If the window is subsequently reparented |
| 1345 | * by the window manager before being mapped, we need to give the frame to |
| 1346 | * the new top-level window. |
| 1347 | */ |
| 1348 | void |
| 1349 | RootlessReparentWindow(WindowPtr pWin, WindowPtr pPriorParent) |
| 1350 | { |
| 1351 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 1352 | RootlessWindowRec *winRec = WINREC(pWin); |
| 1353 | WindowPtr pTopWin; |
| 1354 | |
| 1355 | /* Check that window is not top-level now, but used to be. */ |
| 1356 | if (IsRoot(pWin) || IsRoot(pWin->parent) |
| 1357 | || IsTopLevel(pWin) || winRec == NULL) { |
| 1358 | goto out; |
| 1359 | } |
| 1360 | |
| 1361 | /* If the formerly top-level window has a frame, we want to give the |
| 1362 | frame to its new top-level parent. If we can't do that, we'll just |
| 1363 | have to jettison it... */ |
| 1364 | |
| 1365 | pTopWin = TopLevelParent(pWin); |
| 1366 | assert(pTopWin != pWin); |
| 1367 | |
| 1368 | pWin->rootlessUnhittable = FALSE; |
| 1369 | |
| 1370 | DeleteProperty(serverClient, pWin, xa_native_window_id()); |
| 1371 | |
| 1372 | if (WINREC(pTopWin) != NULL) { |
| 1373 | /* We're screwed. */ |
| 1374 | RootlessDestroyFrame(pWin, winRec); |
| 1375 | } |
| 1376 | else { |
| 1377 | if (!pTopWin->realized && pWin->realized) { |
| 1378 | SCREENREC(pScreen)->imp->UnmapFrame(winRec->wid); |
| 1379 | } |
| 1380 | |
| 1381 | /* Switch the frame record from one to the other. */ |
| 1382 | |
| 1383 | SETWINREC(pWin, NULL); |
| 1384 | SETWINREC(pTopWin, winRec); |
| 1385 | |
| 1386 | RootlessInitializeFrame(pTopWin, winRec); |
| 1387 | RootlessReshapeFrame(pTopWin); |
| 1388 | |
| 1389 | SCREENREC(pScreen)->imp->ResizeFrame(winRec->wid, pScreen, |
| 1390 | winRec->x + SCREEN_TO_GLOBAL_X, |
| 1391 | winRec->y + SCREEN_TO_GLOBAL_Y, |
| 1392 | winRec->width, winRec->height, |
| 1393 | RL_GRAVITY_NONE); |
| 1394 | |
| 1395 | if (SCREENREC(pScreen)->imp->SwitchWindow) { |
| 1396 | SCREENREC(pScreen)->imp->SwitchWindow(winRec, pWin); |
| 1397 | } |
| 1398 | |
| 1399 | if (pTopWin->realized && !pWin->realized) |
| 1400 | winRec->is_reorder_pending = TRUE; |
| 1401 | } |
| 1402 | |
| 1403 | out: |
| 1404 | if (SCREENREC(pScreen)->ReparentWindow) { |
| 1405 | SCREEN_UNWRAP(pScreen, ReparentWindow); |
| 1406 | pScreen->ReparentWindow(pWin, pPriorParent); |
| 1407 | SCREEN_WRAP(pScreen, ReparentWindow); |
| 1408 | } |
| 1409 | } |
| 1410 | |
| 1411 | void |
| 1412 | RootlessFlushWindowColormap(WindowPtr pWin) |
| 1413 | { |
| 1414 | RootlessWindowRec *winRec = WINREC(pWin); |
| 1415 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 1416 | |
| 1417 | if (winRec == NULL) |
| 1418 | return; |
| 1419 | |
| 1420 | RootlessStopDrawing(pWin, FALSE); |
| 1421 | |
| 1422 | if (SCREENREC(pScreen)->imp->UpdateColormap) |
| 1423 | SCREENREC(pScreen)->imp->UpdateColormap(winRec->wid, pScreen); |
| 1424 | } |
| 1425 | |
| 1426 | /* |
| 1427 | * RootlessChangeBorderWidth |
| 1428 | * FIXME: untested! |
| 1429 | * pWin inside corner stays the same; pWin->drawable.[xy] stays the same |
| 1430 | * Frame moves and resizes. |
| 1431 | */ |
| 1432 | void |
| 1433 | RootlessChangeBorderWidth(WindowPtr pWin, unsigned int width) |
| 1434 | { |
| 1435 | RegionRec saveRoot; |
| 1436 | Bool resize_after = FALSE; |
| 1437 | |
| 1438 | RL_DEBUG_MSG("change border width "); |
| 1439 | |
| 1440 | if (width != wBorderWidth(pWin)) { |
| 1441 | RootlessWindowRec *winRec = WINREC(pWin); |
| 1442 | int oldX = 0, oldY = 0, newX = 0, newY = 0; |
| 1443 | unsigned int oldW = 0, oldH = 0, oldBW = 0; |
| 1444 | unsigned int newW = 0, newH = 0, newBW = 0; |
| 1445 | |
| 1446 | if (winRec) { |
| 1447 | oldBW = winRec->borderWidth; |
| 1448 | oldX = winRec->x; |
| 1449 | oldY = winRec->y; |
| 1450 | oldW = winRec->width; |
| 1451 | oldH = winRec->height; |
| 1452 | |
| 1453 | newBW = width; |
| 1454 | newX = pWin->drawable.x - newBW; |
| 1455 | newY = pWin->drawable.y - newBW; |
| 1456 | newW = pWin->drawable.width + 2 * newBW; |
| 1457 | newH = pWin->drawable.height + 2 * newBW; |
| 1458 | |
| 1459 | resize_after = StartFrameResize(pWin, FALSE, |
| 1460 | oldX, oldY, oldW, oldH, oldBW, |
| 1461 | newX, newY, newW, newH, newBW); |
| 1462 | } |
| 1463 | |
| 1464 | HUGE_ROOT(pWin); |
| 1465 | SCREEN_UNWRAP(pWin->drawable.pScreen, ChangeBorderWidth); |
| 1466 | pWin->drawable.pScreen->ChangeBorderWidth(pWin, width); |
| 1467 | SCREEN_WRAP(pWin->drawable.pScreen, ChangeBorderWidth); |
| 1468 | NORMAL_ROOT(pWin); |
| 1469 | |
| 1470 | if (winRec) { |
| 1471 | FinishFrameResize(pWin, FALSE, oldX, oldY, oldW, oldH, oldBW, |
| 1472 | newX, newY, newW, newH, newBW, resize_after); |
| 1473 | } |
| 1474 | } |
| 1475 | |
| 1476 | RL_DEBUG_MSG("change border width end\n"); |
| 1477 | } |
| 1478 | |
| 1479 | /* |
| 1480 | * RootlessOrderAllWindows |
| 1481 | * Brings all X11 windows to the top of the window stack |
| 1482 | * (i.e in front of Aqua windows) -- called when X11.app is given focus |
| 1483 | */ |
| 1484 | void |
| 1485 | RootlessOrderAllWindows(Bool include_unhitable) |
| 1486 | { |
| 1487 | int i; |
| 1488 | WindowPtr pWin; |
| 1489 | |
| 1490 | if (windows_hidden) |
| 1491 | return; |
| 1492 | |
| 1493 | RL_DEBUG_MSG("RootlessOrderAllWindows() "); |
| 1494 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 1495 | if (screenInfo.screens[i] == NULL) |
| 1496 | continue; |
| 1497 | pWin = screenInfo.screens[i]->root; |
| 1498 | if (pWin == NULL) |
| 1499 | continue; |
| 1500 | |
| 1501 | for (pWin = pWin->firstChild; pWin != NULL; pWin = pWin->nextSib) { |
| 1502 | if (!pWin->realized) |
| 1503 | continue; |
| 1504 | if (RootlessEnsureFrame(pWin) == NULL) |
| 1505 | continue; |
| 1506 | if (!include_unhitable && pWin->rootlessUnhittable) |
| 1507 | continue; |
| 1508 | RootlessReorderWindow(pWin); |
| 1509 | } |
| 1510 | } |
| 1511 | RL_DEBUG_MSG("RootlessOrderAllWindows() done"); |
| 1512 | } |
| 1513 | |
| 1514 | void |
| 1515 | RootlessEnableRoot(ScreenPtr pScreen) |
| 1516 | { |
| 1517 | WindowPtr pRoot; |
| 1518 | |
| 1519 | pRoot = pScreen->root; |
| 1520 | |
| 1521 | RootlessEnsureFrame(pRoot); |
| 1522 | (*pScreen->ClearToBackground) (pRoot, 0, 0, 0, 0, TRUE); |
| 1523 | RootlessReorderWindow(pRoot); |
| 1524 | } |
| 1525 | |
| 1526 | void |
| 1527 | RootlessDisableRoot(ScreenPtr pScreen) |
| 1528 | { |
| 1529 | WindowPtr pRoot; |
| 1530 | RootlessWindowRec *winRec; |
| 1531 | |
| 1532 | pRoot = pScreen->root; |
| 1533 | winRec = WINREC(pRoot); |
| 1534 | |
| 1535 | if (NULL == winRec) |
| 1536 | return; |
| 1537 | |
| 1538 | RootlessDestroyFrame(pRoot, winRec); |
| 1539 | DeleteProperty(serverClient, pRoot, xa_native_window_id()); |
| 1540 | } |
| 1541 | |
| 1542 | void |
| 1543 | RootlessHideAllWindows(void) |
| 1544 | { |
| 1545 | int i; |
| 1546 | ScreenPtr pScreen; |
| 1547 | WindowPtr pWin; |
| 1548 | RootlessWindowRec *winRec; |
| 1549 | |
| 1550 | if (windows_hidden) |
| 1551 | return; |
| 1552 | |
| 1553 | windows_hidden = TRUE; |
| 1554 | |
| 1555 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 1556 | pScreen = screenInfo.screens[i]; |
| 1557 | if (pScreen == NULL) |
| 1558 | continue; |
| 1559 | pWin = pScreen->root; |
| 1560 | if (pWin == NULL) |
| 1561 | continue; |
| 1562 | |
| 1563 | for (pWin = pWin->firstChild; pWin != NULL; pWin = pWin->nextSib) { |
| 1564 | if (!pWin->realized) |
| 1565 | continue; |
| 1566 | |
| 1567 | RootlessStopDrawing(pWin, FALSE); |
| 1568 | |
| 1569 | winRec = WINREC(pWin); |
| 1570 | if (winRec != NULL) { |
| 1571 | if (SCREENREC(pScreen)->imp->HideWindow) |
| 1572 | SCREENREC(pScreen)->imp->HideWindow(winRec->wid); |
| 1573 | } |
| 1574 | } |
| 1575 | } |
| 1576 | } |
| 1577 | |
| 1578 | void |
| 1579 | RootlessShowAllWindows(void) |
| 1580 | { |
| 1581 | int i; |
| 1582 | ScreenPtr pScreen; |
| 1583 | WindowPtr pWin; |
| 1584 | RootlessWindowRec *winRec; |
| 1585 | |
| 1586 | if (!windows_hidden) |
| 1587 | return; |
| 1588 | |
| 1589 | windows_hidden = FALSE; |
| 1590 | |
| 1591 | for (i = 0; i < screenInfo.numScreens; i++) { |
| 1592 | pScreen = screenInfo.screens[i]; |
| 1593 | if (pScreen == NULL) |
| 1594 | continue; |
| 1595 | pWin = pScreen->root; |
| 1596 | if (pWin == NULL) |
| 1597 | continue; |
| 1598 | |
| 1599 | for (pWin = pWin->firstChild; pWin != NULL; pWin = pWin->nextSib) { |
| 1600 | if (!pWin->realized) |
| 1601 | continue; |
| 1602 | |
| 1603 | winRec = RootlessEnsureFrame(pWin); |
| 1604 | if (winRec == NULL) |
| 1605 | continue; |
| 1606 | |
| 1607 | RootlessReorderWindow(pWin); |
| 1608 | } |
| 1609 | |
| 1610 | RootlessScreenExpose(pScreen); |
| 1611 | } |
| 1612 | } |
| 1613 | |
| 1614 | /* |
| 1615 | * SetPixmapOfAncestors |
| 1616 | * Set the Pixmaps on all ParentRelative windows up the ancestor chain. |
| 1617 | */ |
| 1618 | void |
| 1619 | RootlessSetPixmapOfAncestors(WindowPtr pWin) |
| 1620 | { |
| 1621 | ScreenPtr pScreen = pWin->drawable.pScreen; |
| 1622 | WindowPtr topWin = TopLevelParent(pWin); |
| 1623 | RootlessWindowRec *topWinRec = WINREC(topWin); |
| 1624 | |
| 1625 | while (pWin->backgroundState == ParentRelative) { |
| 1626 | if (pWin == topWin) { |
| 1627 | // disallow ParentRelative background state on top level |
| 1628 | XID pixel = 0; |
| 1629 | |
| 1630 | ChangeWindowAttributes(pWin, CWBackPixel, &pixel, serverClient); |
| 1631 | RL_DEBUG_MSG("Cleared ParentRelative on 0x%x.\n", pWin); |
| 1632 | break; |
| 1633 | } |
| 1634 | |
| 1635 | pWin = pWin->parent; |
| 1636 | pScreen->SetWindowPixmap(pWin, topWinRec->pixmap); |
| 1637 | } |
| 1638 | } |