Commit | Line | Data |
---|---|---|
a09e091a JB |
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 | } |