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a09e091a JB |
1 | |
2 | #ifdef HAVE_DIX_CONFIG_H | |
3 | #include <dix-config.h> | |
4 | #endif | |
5 | ||
6 | #include <X11/X.h> | |
7 | #include "scrnintstr.h" | |
8 | #include <X11/extensions/shapeproto.h> | |
9 | #include "validate.h" | |
10 | #include "windowstr.h" | |
11 | #include "mi.h" | |
12 | #include "gcstruct.h" | |
13 | #include "regionstr.h" | |
14 | #include "privates.h" | |
15 | #include "mivalidate.h" | |
16 | #include "mioverlay.h" | |
17 | #include "migc.h" | |
18 | ||
19 | #include "globals.h" | |
20 | ||
21 | typedef struct { | |
22 | RegionRec exposed; | |
23 | RegionRec borderExposed; | |
24 | RegionPtr borderVisible; | |
25 | DDXPointRec oldAbsCorner; | |
26 | } miOverlayValDataRec, *miOverlayValDataPtr; | |
27 | ||
28 | typedef struct _TreeRec { | |
29 | WindowPtr pWin; | |
30 | struct _TreeRec *parent; | |
31 | struct _TreeRec *firstChild; | |
32 | struct _TreeRec *lastChild; | |
33 | struct _TreeRec *prevSib; | |
34 | struct _TreeRec *nextSib; | |
35 | RegionRec borderClip; | |
36 | RegionRec clipList; | |
37 | unsigned visibility; | |
38 | miOverlayValDataPtr valdata; | |
39 | } miOverlayTreeRec, *miOverlayTreePtr; | |
40 | ||
41 | typedef struct { | |
42 | miOverlayTreePtr tree; | |
43 | } miOverlayWindowRec, *miOverlayWindowPtr; | |
44 | ||
45 | typedef struct { | |
46 | CloseScreenProcPtr CloseScreen; | |
47 | CreateWindowProcPtr CreateWindow; | |
48 | DestroyWindowProcPtr DestroyWindow; | |
49 | UnrealizeWindowProcPtr UnrealizeWindow; | |
50 | RealizeWindowProcPtr RealizeWindow; | |
51 | miOverlayTransFunc MakeTransparent; | |
52 | miOverlayInOverlayFunc InOverlay; | |
53 | Bool underlayMarked; | |
54 | Bool copyUnderlay; | |
55 | } miOverlayScreenRec, *miOverlayScreenPtr; | |
56 | ||
57 | static DevPrivateKeyRec miOverlayWindowKeyRec; | |
58 | ||
59 | #define miOverlayWindowKey (&miOverlayWindowKeyRec) | |
60 | static DevPrivateKeyRec miOverlayScreenKeyRec; | |
61 | ||
62 | #define miOverlayScreenKey (&miOverlayScreenKeyRec) | |
63 | ||
64 | static void RebuildTree(WindowPtr); | |
65 | static Bool HasUnderlayChildren(WindowPtr); | |
66 | static void MarkUnderlayWindow(WindowPtr); | |
67 | static Bool CollectUnderlayChildrenRegions(WindowPtr, RegionPtr); | |
68 | ||
69 | static Bool miOverlayCloseScreen(ScreenPtr); | |
70 | static Bool miOverlayCreateWindow(WindowPtr); | |
71 | static Bool miOverlayDestroyWindow(WindowPtr); | |
72 | static Bool miOverlayUnrealizeWindow(WindowPtr); | |
73 | static Bool miOverlayRealizeWindow(WindowPtr); | |
74 | static void miOverlayMarkWindow(WindowPtr); | |
75 | static void miOverlayReparentWindow(WindowPtr, WindowPtr); | |
76 | static void miOverlayRestackWindow(WindowPtr, WindowPtr); | |
77 | static Bool miOverlayMarkOverlappedWindows(WindowPtr, WindowPtr, WindowPtr *); | |
78 | static void miOverlayMarkUnrealizedWindow(WindowPtr, WindowPtr, Bool); | |
79 | static int miOverlayValidateTree(WindowPtr, WindowPtr, VTKind); | |
80 | static void miOverlayHandleExposures(WindowPtr); | |
81 | static void miOverlayMoveWindow(WindowPtr, int, int, WindowPtr, VTKind); | |
82 | static void miOverlayWindowExposures(WindowPtr, RegionPtr, RegionPtr); | |
83 | static void miOverlayResizeWindow(WindowPtr, int, int, unsigned int, | |
84 | unsigned int, WindowPtr); | |
85 | static void miOverlayClearToBackground(WindowPtr, int, int, int, int, Bool); | |
86 | ||
87 | static void miOverlaySetShape(WindowPtr, int); | |
88 | static void miOverlayChangeBorderWidth(WindowPtr, unsigned int); | |
89 | ||
90 | #define MIOVERLAY_GET_SCREEN_PRIVATE(pScreen) ((miOverlayScreenPtr) \ | |
91 | dixLookupPrivate(&(pScreen)->devPrivates, miOverlayScreenKey)) | |
92 | #define MIOVERLAY_GET_WINDOW_PRIVATE(pWin) ((miOverlayWindowPtr) \ | |
93 | dixLookupPrivate(&(pWin)->devPrivates, miOverlayWindowKey)) | |
94 | #define MIOVERLAY_GET_WINDOW_TREE(pWin) \ | |
95 | (MIOVERLAY_GET_WINDOW_PRIVATE(pWin)->tree) | |
96 | ||
97 | #define IN_UNDERLAY(w) MIOVERLAY_GET_WINDOW_TREE(w) | |
98 | #define IN_OVERLAY(w) !MIOVERLAY_GET_WINDOW_TREE(w) | |
99 | ||
100 | #define MARK_OVERLAY(w) miMarkWindow(w) | |
101 | #define MARK_UNDERLAY(w) MarkUnderlayWindow(w) | |
102 | ||
103 | #define HasParentRelativeBorder(w) (!(w)->borderIsPixel && \ | |
104 | HasBorder(w) && \ | |
105 | (w)->backgroundState == ParentRelative) | |
106 | ||
107 | Bool | |
108 | miInitOverlay(ScreenPtr pScreen, | |
109 | miOverlayInOverlayFunc inOverlayFunc, | |
110 | miOverlayTransFunc transFunc) | |
111 | { | |
112 | miOverlayScreenPtr pScreenPriv; | |
113 | ||
114 | if (!inOverlayFunc || !transFunc) | |
115 | return FALSE; | |
116 | ||
117 | if (!dixRegisterPrivateKey | |
118 | (&miOverlayWindowKeyRec, PRIVATE_WINDOW, sizeof(miOverlayWindowRec))) | |
119 | return FALSE; | |
120 | ||
121 | if (!dixRegisterPrivateKey(&miOverlayScreenKeyRec, PRIVATE_SCREEN, 0)) | |
122 | return FALSE; | |
123 | ||
124 | if (!(pScreenPriv = malloc(sizeof(miOverlayScreenRec)))) | |
125 | return FALSE; | |
126 | ||
127 | dixSetPrivate(&pScreen->devPrivates, miOverlayScreenKey, pScreenPriv); | |
128 | ||
129 | pScreenPriv->InOverlay = inOverlayFunc; | |
130 | pScreenPriv->MakeTransparent = transFunc; | |
131 | pScreenPriv->underlayMarked = FALSE; | |
132 | ||
133 | pScreenPriv->CloseScreen = pScreen->CloseScreen; | |
134 | pScreenPriv->CreateWindow = pScreen->CreateWindow; | |
135 | pScreenPriv->DestroyWindow = pScreen->DestroyWindow; | |
136 | pScreenPriv->UnrealizeWindow = pScreen->UnrealizeWindow; | |
137 | pScreenPriv->RealizeWindow = pScreen->RealizeWindow; | |
138 | ||
139 | pScreen->CloseScreen = miOverlayCloseScreen; | |
140 | pScreen->CreateWindow = miOverlayCreateWindow; | |
141 | pScreen->DestroyWindow = miOverlayDestroyWindow; | |
142 | pScreen->UnrealizeWindow = miOverlayUnrealizeWindow; | |
143 | pScreen->RealizeWindow = miOverlayRealizeWindow; | |
144 | ||
145 | pScreen->ReparentWindow = miOverlayReparentWindow; | |
146 | pScreen->RestackWindow = miOverlayRestackWindow; | |
147 | pScreen->MarkOverlappedWindows = miOverlayMarkOverlappedWindows; | |
148 | pScreen->MarkUnrealizedWindow = miOverlayMarkUnrealizedWindow; | |
149 | pScreen->ValidateTree = miOverlayValidateTree; | |
150 | pScreen->HandleExposures = miOverlayHandleExposures; | |
151 | pScreen->MoveWindow = miOverlayMoveWindow; | |
152 | pScreen->WindowExposures = miOverlayWindowExposures; | |
153 | pScreen->ResizeWindow = miOverlayResizeWindow; | |
154 | pScreen->MarkWindow = miOverlayMarkWindow; | |
155 | pScreen->ClearToBackground = miOverlayClearToBackground; | |
156 | pScreen->SetShape = miOverlaySetShape; | |
157 | pScreen->ChangeBorderWidth = miOverlayChangeBorderWidth; | |
158 | ||
159 | return TRUE; | |
160 | } | |
161 | ||
162 | static Bool | |
163 | miOverlayCloseScreen(ScreenPtr pScreen) | |
164 | { | |
165 | miOverlayScreenPtr pScreenPriv = MIOVERLAY_GET_SCREEN_PRIVATE(pScreen); | |
166 | ||
167 | pScreen->CloseScreen = pScreenPriv->CloseScreen; | |
168 | pScreen->CreateWindow = pScreenPriv->CreateWindow; | |
169 | pScreen->DestroyWindow = pScreenPriv->DestroyWindow; | |
170 | pScreen->UnrealizeWindow = pScreenPriv->UnrealizeWindow; | |
171 | pScreen->RealizeWindow = pScreenPriv->RealizeWindow; | |
172 | ||
173 | free(pScreenPriv); | |
174 | ||
175 | return (*pScreen->CloseScreen) (pScreen); | |
176 | } | |
177 | ||
178 | static Bool | |
179 | miOverlayCreateWindow(WindowPtr pWin) | |
180 | { | |
181 | ScreenPtr pScreen = pWin->drawable.pScreen; | |
182 | miOverlayScreenPtr pScreenPriv = MIOVERLAY_GET_SCREEN_PRIVATE(pScreen); | |
183 | miOverlayWindowPtr pWinPriv = MIOVERLAY_GET_WINDOW_PRIVATE(pWin); | |
184 | miOverlayTreePtr pTree = NULL; | |
185 | Bool result = TRUE; | |
186 | ||
187 | pWinPriv->tree = NULL; | |
188 | ||
189 | if (!pWin->parent || !((*pScreenPriv->InOverlay) (pWin))) { | |
190 | if (!(pTree = (miOverlayTreePtr) calloc(1, sizeof(miOverlayTreeRec)))) | |
191 | return FALSE; | |
192 | } | |
193 | ||
194 | if (pScreenPriv->CreateWindow) { | |
195 | pScreen->CreateWindow = pScreenPriv->CreateWindow; | |
196 | result = (*pScreen->CreateWindow) (pWin); | |
197 | pScreen->CreateWindow = miOverlayCreateWindow; | |
198 | } | |
199 | ||
200 | if (pTree) { | |
201 | if (result) { | |
202 | pTree->pWin = pWin; | |
203 | pTree->visibility = VisibilityNotViewable; | |
204 | pWinPriv->tree = pTree; | |
205 | if (pWin->parent) { | |
206 | RegionNull(&(pTree->borderClip)); | |
207 | RegionNull(&(pTree->clipList)); | |
208 | RebuildTree(pWin); | |
209 | } | |
210 | else { | |
211 | BoxRec fullBox; | |
212 | ||
213 | fullBox.x1 = 0; | |
214 | fullBox.y1 = 0; | |
215 | fullBox.x2 = pScreen->width; | |
216 | fullBox.y2 = pScreen->height; | |
217 | RegionInit(&(pTree->borderClip), &fullBox, 1); | |
218 | RegionInit(&(pTree->clipList), &fullBox, 1); | |
219 | } | |
220 | } | |
221 | else | |
222 | free(pTree); | |
223 | } | |
224 | ||
225 | return TRUE; | |
226 | } | |
227 | ||
228 | static Bool | |
229 | miOverlayDestroyWindow(WindowPtr pWin) | |
230 | { | |
231 | ScreenPtr pScreen = pWin->drawable.pScreen; | |
232 | miOverlayScreenPtr pScreenPriv = MIOVERLAY_GET_SCREEN_PRIVATE(pScreen); | |
233 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
234 | Bool result = TRUE; | |
235 | ||
236 | if (pTree) { | |
237 | if (pTree->prevSib) | |
238 | pTree->prevSib->nextSib = pTree->nextSib; | |
239 | else if (pTree->parent) | |
240 | pTree->parent->firstChild = pTree->nextSib; | |
241 | ||
242 | if (pTree->nextSib) | |
243 | pTree->nextSib->prevSib = pTree->prevSib; | |
244 | else if (pTree->parent) | |
245 | pTree->parent->lastChild = pTree->prevSib; | |
246 | ||
247 | RegionUninit(&(pTree->borderClip)); | |
248 | RegionUninit(&(pTree->clipList)); | |
249 | free(pTree); | |
250 | } | |
251 | ||
252 | if (pScreenPriv->DestroyWindow) { | |
253 | pScreen->DestroyWindow = pScreenPriv->DestroyWindow; | |
254 | result = (*pScreen->DestroyWindow) (pWin); | |
255 | pScreen->DestroyWindow = miOverlayDestroyWindow; | |
256 | } | |
257 | ||
258 | return result; | |
259 | } | |
260 | ||
261 | static Bool | |
262 | miOverlayUnrealizeWindow(WindowPtr pWin) | |
263 | { | |
264 | ScreenPtr pScreen = pWin->drawable.pScreen; | |
265 | miOverlayScreenPtr pScreenPriv = MIOVERLAY_GET_SCREEN_PRIVATE(pScreen); | |
266 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
267 | Bool result = TRUE; | |
268 | ||
269 | if (pTree) | |
270 | pTree->visibility = VisibilityNotViewable; | |
271 | ||
272 | if (pScreenPriv->UnrealizeWindow) { | |
273 | pScreen->UnrealizeWindow = pScreenPriv->UnrealizeWindow; | |
274 | result = (*pScreen->UnrealizeWindow) (pWin); | |
275 | pScreen->UnrealizeWindow = miOverlayUnrealizeWindow; | |
276 | } | |
277 | ||
278 | return result; | |
279 | } | |
280 | ||
281 | static Bool | |
282 | miOverlayRealizeWindow(WindowPtr pWin) | |
283 | { | |
284 | ScreenPtr pScreen = pWin->drawable.pScreen; | |
285 | miOverlayScreenPtr pScreenPriv = MIOVERLAY_GET_SCREEN_PRIVATE(pScreen); | |
286 | Bool result = TRUE; | |
287 | ||
288 | if (pScreenPriv->RealizeWindow) { | |
289 | pScreen->RealizeWindow = pScreenPriv->RealizeWindow; | |
290 | result = (*pScreen->RealizeWindow) (pWin); | |
291 | pScreen->RealizeWindow = miOverlayRealizeWindow; | |
292 | } | |
293 | ||
294 | /* we only need to catch the root window realization */ | |
295 | ||
296 | if (result && !pWin->parent && !((*pScreenPriv->InOverlay) (pWin))) { | |
297 | BoxRec box; | |
298 | ||
299 | box.x1 = box.y1 = 0; | |
300 | box.x2 = pWin->drawable.width; | |
301 | box.y2 = pWin->drawable.height; | |
302 | (*pScreenPriv->MakeTransparent) (pScreen, 1, &box); | |
303 | } | |
304 | ||
305 | return result; | |
306 | } | |
307 | ||
308 | static void | |
309 | miOverlayReparentWindow(WindowPtr pWin, WindowPtr pPriorParent) | |
310 | { | |
311 | if (IN_UNDERLAY(pWin) || HasUnderlayChildren(pWin)) { | |
312 | /* This could probably be more optimal */ | |
313 | RebuildTree(pWin->drawable.pScreen->root->firstChild); | |
314 | } | |
315 | } | |
316 | ||
317 | static void | |
318 | miOverlayRestackWindow(WindowPtr pWin, WindowPtr oldNextSib) | |
319 | { | |
320 | if (IN_UNDERLAY(pWin) || HasUnderlayChildren(pWin)) { | |
321 | /* This could probably be more optimal */ | |
322 | RebuildTree(pWin); | |
323 | } | |
324 | } | |
325 | ||
326 | static Bool | |
327 | miOverlayMarkOverlappedWindows(WindowPtr pWin, | |
328 | WindowPtr pFirst, WindowPtr *pLayerWin) | |
329 | { | |
330 | WindowPtr pChild, pLast; | |
331 | Bool overMarked, underMarked, doUnderlay, markAll; | |
332 | miOverlayTreePtr pTree = NULL, tLast, tChild; | |
333 | BoxPtr box; | |
334 | ||
335 | overMarked = underMarked = markAll = FALSE; | |
336 | ||
337 | if (pLayerWin) | |
338 | *pLayerWin = pWin; /* hah! */ | |
339 | ||
340 | doUnderlay = (IN_UNDERLAY(pWin) || HasUnderlayChildren(pWin)); | |
341 | ||
342 | box = RegionExtents(&pWin->borderSize); | |
343 | ||
344 | if ((pChild = pFirst)) { | |
345 | pLast = pChild->parent->lastChild; | |
346 | while (1) { | |
347 | if (pChild == pWin) | |
348 | markAll = TRUE; | |
349 | ||
350 | if (doUnderlay && IN_UNDERLAY(pChild)) | |
351 | pTree = MIOVERLAY_GET_WINDOW_TREE(pChild); | |
352 | ||
353 | if (pChild->viewable) { | |
354 | if (RegionBroken(&pChild->winSize)) | |
355 | SetWinSize(pChild); | |
356 | if (RegionBroken(&pChild->borderSize)) | |
357 | SetBorderSize(pChild); | |
358 | ||
359 | if (markAll || RegionContainsRect(&pChild->borderSize, box)) { | |
360 | MARK_OVERLAY(pChild); | |
361 | overMarked = TRUE; | |
362 | if (doUnderlay && IN_UNDERLAY(pChild)) { | |
363 | MARK_UNDERLAY(pChild); | |
364 | underMarked = TRUE; | |
365 | } | |
366 | if (pChild->firstChild) { | |
367 | pChild = pChild->firstChild; | |
368 | continue; | |
369 | } | |
370 | } | |
371 | } | |
372 | while (!pChild->nextSib && (pChild != pLast)) { | |
373 | pChild = pChild->parent; | |
374 | if (doUnderlay && IN_UNDERLAY(pChild)) | |
375 | pTree = MIOVERLAY_GET_WINDOW_TREE(pChild); | |
376 | } | |
377 | ||
378 | if (pChild == pWin) | |
379 | markAll = FALSE; | |
380 | ||
381 | if (pChild == pLast) | |
382 | break; | |
383 | ||
384 | pChild = pChild->nextSib; | |
385 | } | |
386 | if (overMarked) | |
387 | MARK_OVERLAY(pWin->parent); | |
388 | } | |
389 | ||
390 | if (doUnderlay && !pTree) { | |
391 | if (!(pTree = MIOVERLAY_GET_WINDOW_TREE(pWin))) { | |
392 | pChild = pWin->lastChild; | |
393 | while (1) { | |
394 | if ((pTree = MIOVERLAY_GET_WINDOW_TREE(pChild))) | |
395 | break; | |
396 | ||
397 | if (pChild->lastChild) { | |
398 | pChild = pChild->lastChild; | |
399 | continue; | |
400 | } | |
401 | ||
402 | while (!pChild->prevSib) | |
403 | pChild = pChild->parent; | |
404 | ||
405 | pChild = pChild->prevSib; | |
406 | } | |
407 | } | |
408 | } | |
409 | ||
410 | if (pTree && pTree->nextSib) { | |
411 | tChild = pTree->parent->lastChild; | |
412 | tLast = pTree->nextSib; | |
413 | ||
414 | while (1) { | |
415 | if (tChild->pWin->viewable) { | |
416 | if (RegionBroken(&tChild->pWin->winSize)) | |
417 | SetWinSize(tChild->pWin); | |
418 | if (RegionBroken(&tChild->pWin->borderSize)) | |
419 | SetBorderSize(tChild->pWin); | |
420 | ||
421 | if (RegionContainsRect(&(tChild->pWin->borderSize), box)) { | |
422 | MARK_UNDERLAY(tChild->pWin); | |
423 | underMarked = TRUE; | |
424 | } | |
425 | } | |
426 | ||
427 | if (tChild->lastChild) { | |
428 | tChild = tChild->lastChild; | |
429 | continue; | |
430 | } | |
431 | ||
432 | while (!tChild->prevSib && (tChild != tLast)) | |
433 | tChild = tChild->parent; | |
434 | ||
435 | if (tChild == tLast) | |
436 | break; | |
437 | ||
438 | tChild = tChild->prevSib; | |
439 | } | |
440 | } | |
441 | ||
442 | if (underMarked) { | |
443 | ScreenPtr pScreen = pWin->drawable.pScreen; | |
444 | ||
445 | MARK_UNDERLAY(pTree->parent->pWin); | |
446 | MIOVERLAY_GET_SCREEN_PRIVATE(pScreen)->underlayMarked = TRUE; | |
447 | } | |
448 | ||
449 | return underMarked || overMarked; | |
450 | } | |
451 | ||
452 | static void | |
453 | miOverlayComputeClips(WindowPtr pParent, | |
454 | RegionPtr universe, VTKind kind, RegionPtr exposed) | |
455 | { | |
456 | ScreenPtr pScreen = pParent->drawable.pScreen; | |
457 | int oldVis, newVis, dx, dy; | |
458 | BoxRec borderSize; | |
459 | RegionPtr borderVisible; | |
460 | RegionRec childUniverse, childUnion; | |
461 | miOverlayTreePtr tParent = MIOVERLAY_GET_WINDOW_TREE(pParent); | |
462 | miOverlayTreePtr tChild; | |
463 | Bool overlap; | |
464 | ||
465 | borderSize.x1 = pParent->drawable.x - wBorderWidth(pParent); | |
466 | borderSize.y1 = pParent->drawable.y - wBorderWidth(pParent); | |
467 | dx = (int) pParent->drawable.x + (int) pParent->drawable.width + | |
468 | wBorderWidth(pParent); | |
469 | if (dx > 32767) | |
470 | dx = 32767; | |
471 | borderSize.x2 = dx; | |
472 | dy = (int) pParent->drawable.y + (int) pParent->drawable.height + | |
473 | wBorderWidth(pParent); | |
474 | if (dy > 32767) | |
475 | dy = 32767; | |
476 | borderSize.y2 = dy; | |
477 | ||
478 | oldVis = tParent->visibility; | |
479 | switch (RegionContainsRect(universe, &borderSize)) { | |
480 | case rgnIN: | |
481 | newVis = VisibilityUnobscured; | |
482 | break; | |
483 | case rgnPART: | |
484 | newVis = VisibilityPartiallyObscured; | |
485 | { | |
486 | RegionPtr pBounding; | |
487 | ||
488 | if ((pBounding = wBoundingShape(pParent))) { | |
489 | switch (miShapedWindowIn(universe, pBounding, | |
490 | &borderSize, | |
491 | pParent->drawable.x, | |
492 | pParent->drawable.y)) { | |
493 | case rgnIN: | |
494 | newVis = VisibilityUnobscured; | |
495 | break; | |
496 | case rgnOUT: | |
497 | newVis = VisibilityFullyObscured; | |
498 | break; | |
499 | } | |
500 | } | |
501 | } | |
502 | break; | |
503 | default: | |
504 | newVis = VisibilityFullyObscured; | |
505 | break; | |
506 | } | |
507 | tParent->visibility = newVis; | |
508 | ||
509 | dx = pParent->drawable.x - tParent->valdata->oldAbsCorner.x; | |
510 | dy = pParent->drawable.y - tParent->valdata->oldAbsCorner.y; | |
511 | ||
512 | switch (kind) { | |
513 | case VTMap: | |
514 | case VTStack: | |
515 | case VTUnmap: | |
516 | break; | |
517 | case VTMove: | |
518 | if ((oldVis == newVis) && | |
519 | ((oldVis == VisibilityFullyObscured) || | |
520 | (oldVis == VisibilityUnobscured))) { | |
521 | tChild = tParent; | |
522 | while (1) { | |
523 | if (tChild->pWin->viewable) { | |
524 | if (tChild->visibility != VisibilityFullyObscured) { | |
525 | RegionTranslate(&tChild->borderClip, dx, dy); | |
526 | RegionTranslate(&tChild->clipList, dx, dy); | |
527 | ||
528 | tChild->pWin->drawable.serialNumber = | |
529 | NEXT_SERIAL_NUMBER; | |
530 | if (pScreen->ClipNotify) | |
531 | (*pScreen->ClipNotify) (tChild->pWin, dx, dy); | |
532 | } | |
533 | if (tChild->valdata) { | |
534 | RegionNull(&tChild->valdata->borderExposed); | |
535 | if (HasParentRelativeBorder(tChild->pWin)) { | |
536 | RegionSubtract(&tChild->valdata->borderExposed, | |
537 | &tChild->borderClip, | |
538 | &tChild->pWin->winSize); | |
539 | } | |
540 | RegionNull(&tChild->valdata->exposed); | |
541 | } | |
542 | if (tChild->firstChild) { | |
543 | tChild = tChild->firstChild; | |
544 | continue; | |
545 | } | |
546 | } | |
547 | while (!tChild->nextSib && (tChild != tParent)) | |
548 | tChild = tChild->parent; | |
549 | if (tChild == tParent) | |
550 | break; | |
551 | tChild = tChild->nextSib; | |
552 | } | |
553 | return; | |
554 | } | |
555 | /* fall through */ | |
556 | default: | |
557 | if (dx || dy) { | |
558 | RegionTranslate(&tParent->borderClip, dx, dy); | |
559 | RegionTranslate(&tParent->clipList, dx, dy); | |
560 | } | |
561 | break; | |
562 | case VTBroken: | |
563 | RegionEmpty(&tParent->borderClip); | |
564 | RegionEmpty(&tParent->clipList); | |
565 | break; | |
566 | } | |
567 | ||
568 | borderVisible = tParent->valdata->borderVisible; | |
569 | RegionNull(&tParent->valdata->borderExposed); | |
570 | RegionNull(&tParent->valdata->exposed); | |
571 | ||
572 | if (HasBorder(pParent)) { | |
573 | if (borderVisible) { | |
574 | RegionSubtract(exposed, universe, borderVisible); | |
575 | RegionDestroy(borderVisible); | |
576 | } | |
577 | else | |
578 | RegionSubtract(exposed, universe, &tParent->borderClip); | |
579 | ||
580 | if (HasParentRelativeBorder(pParent) && (dx || dy)) | |
581 | RegionSubtract(&tParent->valdata->borderExposed, | |
582 | universe, &pParent->winSize); | |
583 | else | |
584 | RegionSubtract(&tParent->valdata->borderExposed, | |
585 | exposed, &pParent->winSize); | |
586 | ||
587 | RegionCopy(&tParent->borderClip, universe); | |
588 | RegionIntersect(universe, universe, &pParent->winSize); | |
589 | } | |
590 | else | |
591 | RegionCopy(&tParent->borderClip, universe); | |
592 | ||
593 | if ((tChild = tParent->firstChild) && pParent->mapped) { | |
594 | RegionNull(&childUniverse); | |
595 | RegionNull(&childUnion); | |
596 | ||
597 | for (; tChild; tChild = tChild->nextSib) { | |
598 | if (tChild->pWin->viewable) | |
599 | RegionAppend(&childUnion, &tChild->pWin->borderSize); | |
600 | } | |
601 | ||
602 | RegionValidate(&childUnion, &overlap); | |
603 | ||
604 | for (tChild = tParent->firstChild; tChild; tChild = tChild->nextSib) { | |
605 | if (tChild->pWin->viewable) { | |
606 | if (tChild->valdata) { | |
607 | RegionIntersect(&childUniverse, universe, | |
608 | &tChild->pWin->borderSize); | |
609 | miOverlayComputeClips(tChild->pWin, &childUniverse, | |
610 | kind, exposed); | |
611 | } | |
612 | if (overlap) | |
613 | RegionSubtract(universe, universe, | |
614 | &tChild->pWin->borderSize); | |
615 | } | |
616 | } | |
617 | if (!overlap) | |
618 | RegionSubtract(universe, universe, &childUnion); | |
619 | RegionUninit(&childUnion); | |
620 | RegionUninit(&childUniverse); | |
621 | } | |
622 | ||
623 | if (oldVis == VisibilityFullyObscured || oldVis == VisibilityNotViewable) { | |
624 | RegionCopy(&tParent->valdata->exposed, universe); | |
625 | } | |
626 | else if (newVis != VisibilityFullyObscured && | |
627 | newVis != VisibilityNotViewable) { | |
628 | RegionSubtract(&tParent->valdata->exposed, | |
629 | universe, &tParent->clipList); | |
630 | } | |
631 | ||
632 | /* HACK ALERT - copying contents of regions, instead of regions */ | |
633 | { | |
634 | RegionRec tmp; | |
635 | ||
636 | tmp = tParent->clipList; | |
637 | tParent->clipList = *universe; | |
638 | *universe = tmp; | |
639 | } | |
640 | ||
641 | pParent->drawable.serialNumber = NEXT_SERIAL_NUMBER; | |
642 | ||
643 | if (pScreen->ClipNotify) | |
644 | (*pScreen->ClipNotify) (pParent, dx, dy); | |
645 | } | |
646 | ||
647 | static void | |
648 | miOverlayMarkWindow(WindowPtr pWin) | |
649 | { | |
650 | miOverlayTreePtr pTree = NULL; | |
651 | WindowPtr pChild, pGrandChild; | |
652 | ||
653 | miMarkWindow(pWin); | |
654 | ||
655 | /* look for UnmapValdata among immediate children */ | |
656 | ||
657 | if (!(pChild = pWin->firstChild)) | |
658 | return; | |
659 | ||
660 | for (; pChild; pChild = pChild->nextSib) { | |
661 | if (pChild->valdata == UnmapValData) { | |
662 | if (IN_UNDERLAY(pChild)) { | |
663 | pTree = MIOVERLAY_GET_WINDOW_TREE(pChild); | |
664 | pTree->valdata = (miOverlayValDataPtr) UnmapValData; | |
665 | continue; | |
666 | } | |
667 | else { | |
668 | if (!(pGrandChild = pChild->firstChild)) | |
669 | continue; | |
670 | ||
671 | while (1) { | |
672 | if (IN_UNDERLAY(pGrandChild)) { | |
673 | pTree = MIOVERLAY_GET_WINDOW_TREE(pGrandChild); | |
674 | pTree->valdata = (miOverlayValDataPtr) UnmapValData; | |
675 | } | |
676 | else if (pGrandChild->firstChild) { | |
677 | pGrandChild = pGrandChild->firstChild; | |
678 | continue; | |
679 | } | |
680 | ||
681 | while (!pGrandChild->nextSib && (pGrandChild != pChild)) | |
682 | pGrandChild = pGrandChild->parent; | |
683 | ||
684 | if (pChild == pGrandChild) | |
685 | break; | |
686 | ||
687 | pGrandChild = pGrandChild->nextSib; | |
688 | } | |
689 | } | |
690 | } | |
691 | } | |
692 | ||
693 | if (pTree) { | |
694 | MARK_UNDERLAY(pTree->parent->pWin); | |
695 | MIOVERLAY_GET_SCREEN_PRIVATE(pWin->drawable.pScreen)->underlayMarked = | |
696 | TRUE; | |
697 | } | |
698 | } | |
699 | ||
700 | static void | |
701 | miOverlayMarkUnrealizedWindow(WindowPtr pChild, | |
702 | WindowPtr pWin, Bool fromConfigure) | |
703 | { | |
704 | if ((pChild != pWin) || fromConfigure) { | |
705 | miOverlayTreePtr pTree; | |
706 | ||
707 | RegionEmpty(&pChild->clipList); | |
708 | if (pChild->drawable.pScreen->ClipNotify) | |
709 | (*pChild->drawable.pScreen->ClipNotify) (pChild, 0, 0); | |
710 | RegionEmpty(&pChild->borderClip); | |
711 | if ((pTree = MIOVERLAY_GET_WINDOW_TREE(pChild))) { | |
712 | if (pTree->valdata != (miOverlayValDataPtr) UnmapValData) { | |
713 | RegionEmpty(&pTree->clipList); | |
714 | RegionEmpty(&pTree->borderClip); | |
715 | } | |
716 | } | |
717 | } | |
718 | } | |
719 | ||
720 | static int | |
721 | miOverlayValidateTree(WindowPtr pParent, WindowPtr pChild, /* first child effected */ | |
722 | VTKind kind) | |
723 | { | |
724 | ScreenPtr pScreen = pParent->drawable.pScreen; | |
725 | miOverlayScreenPtr pPriv = MIOVERLAY_GET_SCREEN_PRIVATE(pScreen); | |
726 | RegionRec totalClip, childClip, exposed; | |
727 | miOverlayTreePtr tParent, tChild, tWin; | |
728 | Bool overlap; | |
729 | WindowPtr newParent; | |
730 | ||
731 | if (!pPriv->underlayMarked) | |
732 | goto SKIP_UNDERLAY; | |
733 | ||
734 | if (!pChild) | |
735 | pChild = pParent->firstChild; | |
736 | ||
737 | RegionNull(&totalClip); | |
738 | RegionNull(&childClip); | |
739 | RegionNull(&exposed); | |
740 | ||
741 | newParent = pParent; | |
742 | ||
743 | while (IN_OVERLAY(newParent)) | |
744 | newParent = newParent->parent; | |
745 | ||
746 | tParent = MIOVERLAY_GET_WINDOW_TREE(newParent); | |
747 | ||
748 | if (IN_UNDERLAY(pChild)) | |
749 | tChild = MIOVERLAY_GET_WINDOW_TREE(pChild); | |
750 | else | |
751 | tChild = tParent->firstChild; | |
752 | ||
753 | if (RegionBroken(&tParent->clipList) && !RegionBroken(&tParent->borderClip)) { | |
754 | kind = VTBroken; | |
755 | RegionCopy(&totalClip, &tParent->borderClip); | |
756 | RegionIntersect(&totalClip, &totalClip, &tParent->pWin->winSize); | |
757 | ||
758 | for (tWin = tParent->firstChild; tWin != tChild; tWin = tWin->nextSib) { | |
759 | if (tWin->pWin->viewable) | |
760 | RegionSubtract(&totalClip, &totalClip, &tWin->pWin->borderSize); | |
761 | } | |
762 | RegionEmpty(&tParent->clipList); | |
763 | } | |
764 | else { | |
765 | for (tWin = tChild; tWin; tWin = tWin->nextSib) { | |
766 | if (tWin->valdata) | |
767 | RegionAppend(&totalClip, &tWin->borderClip); | |
768 | } | |
769 | RegionValidate(&totalClip, &overlap); | |
770 | } | |
771 | ||
772 | if (kind != VTStack) | |
773 | RegionUnion(&totalClip, &totalClip, &tParent->clipList); | |
774 | ||
775 | for (tWin = tChild; tWin; tWin = tWin->nextSib) { | |
776 | if (tWin->valdata) { | |
777 | if (tWin->pWin->viewable) { | |
778 | RegionIntersect(&childClip, &totalClip, | |
779 | &tWin->pWin->borderSize); | |
780 | miOverlayComputeClips(tWin->pWin, &childClip, kind, &exposed); | |
781 | RegionSubtract(&totalClip, &totalClip, &tWin->pWin->borderSize); | |
782 | } | |
783 | else { /* Means we are unmapping */ | |
784 | RegionEmpty(&tWin->clipList); | |
785 | RegionEmpty(&tWin->borderClip); | |
786 | tWin->valdata = NULL; | |
787 | } | |
788 | } | |
789 | } | |
790 | ||
791 | RegionUninit(&childClip); | |
792 | ||
793 | if (!((*pPriv->InOverlay) (newParent))) { | |
794 | RegionNull(&tParent->valdata->exposed); | |
795 | RegionNull(&tParent->valdata->borderExposed); | |
796 | } | |
797 | ||
798 | switch (kind) { | |
799 | case VTStack: | |
800 | break; | |
801 | default: | |
802 | if (!((*pPriv->InOverlay) (newParent))) | |
803 | RegionSubtract(&tParent->valdata->exposed, &totalClip, | |
804 | &tParent->clipList); | |
805 | /* fall through */ | |
806 | case VTMap: | |
807 | RegionCopy(&tParent->clipList, &totalClip); | |
808 | if (!((*pPriv->InOverlay) (newParent))) | |
809 | newParent->drawable.serialNumber = NEXT_SERIAL_NUMBER; | |
810 | break; | |
811 | } | |
812 | ||
813 | RegionUninit(&totalClip); | |
814 | RegionUninit(&exposed); | |
815 | ||
816 | SKIP_UNDERLAY: | |
817 | ||
818 | miValidateTree(pParent, pChild, kind); | |
819 | ||
820 | return 1; | |
821 | } | |
822 | ||
823 | static void | |
824 | miOverlayHandleExposures(WindowPtr pWin) | |
825 | { | |
826 | ScreenPtr pScreen = pWin->drawable.pScreen; | |
827 | miOverlayScreenPtr pPriv = MIOVERLAY_GET_SCREEN_PRIVATE(pScreen); | |
828 | WindowPtr pChild; | |
829 | ValidatePtr val; | |
830 | void (*WindowExposures) (WindowPtr, RegionPtr, RegionPtr); | |
831 | ||
832 | WindowExposures = pWin->drawable.pScreen->WindowExposures; | |
833 | if (pPriv->underlayMarked) { | |
834 | miOverlayTreePtr pTree; | |
835 | miOverlayValDataPtr mival; | |
836 | ||
837 | pChild = pWin; | |
838 | while (IN_OVERLAY(pChild)) | |
839 | pChild = pChild->parent; | |
840 | ||
841 | pTree = MIOVERLAY_GET_WINDOW_TREE(pChild); | |
842 | ||
843 | while (1) { | |
844 | if ((mival = pTree->valdata)) { | |
845 | if (!((*pPriv->InOverlay) (pTree->pWin))) { | |
846 | if (RegionNotEmpty(&mival->borderExposed)) { | |
847 | miPaintWindow(pTree->pWin, &mival->borderExposed, | |
848 | PW_BORDER); | |
849 | } | |
850 | RegionUninit(&mival->borderExposed); | |
851 | ||
852 | (*WindowExposures) (pTree->pWin, &mival->exposed, | |
853 | NullRegion); | |
854 | RegionUninit(&mival->exposed); | |
855 | } | |
856 | free(mival); | |
857 | pTree->valdata = NULL; | |
858 | if (pTree->firstChild) { | |
859 | pTree = pTree->firstChild; | |
860 | continue; | |
861 | } | |
862 | } | |
863 | while (!pTree->nextSib && (pTree->pWin != pChild)) | |
864 | pTree = pTree->parent; | |
865 | if (pTree->pWin == pChild) | |
866 | break; | |
867 | pTree = pTree->nextSib; | |
868 | } | |
869 | pPriv->underlayMarked = FALSE; | |
870 | } | |
871 | ||
872 | pChild = pWin; | |
873 | while (1) { | |
874 | if ((val = pChild->valdata)) { | |
875 | if (!((*pPriv->InOverlay) (pChild))) { | |
876 | RegionUnion(&val->after.exposed, &val->after.exposed, | |
877 | &val->after.borderExposed); | |
878 | ||
879 | if (RegionNotEmpty(&val->after.exposed)) { | |
880 | (*(MIOVERLAY_GET_SCREEN_PRIVATE(pScreen)->MakeTransparent)) | |
881 | (pScreen, RegionNumRects(&val->after.exposed), | |
882 | RegionRects(&val->after.exposed)); | |
883 | } | |
884 | } | |
885 | else { | |
886 | if (RegionNotEmpty(&val->after.borderExposed)) { | |
887 | miPaintWindow(pChild, &val->after.borderExposed, PW_BORDER); | |
888 | } | |
889 | (*WindowExposures) (pChild, &val->after.exposed, NullRegion); | |
890 | } | |
891 | RegionUninit(&val->after.borderExposed); | |
892 | RegionUninit(&val->after.exposed); | |
893 | free(val); | |
894 | pChild->valdata = NULL; | |
895 | if (pChild->firstChild) { | |
896 | pChild = pChild->firstChild; | |
897 | continue; | |
898 | } | |
899 | } | |
900 | while (!pChild->nextSib && (pChild != pWin)) | |
901 | pChild = pChild->parent; | |
902 | if (pChild == pWin) | |
903 | break; | |
904 | pChild = pChild->nextSib; | |
905 | } | |
906 | } | |
907 | ||
908 | static void | |
909 | miOverlayMoveWindow(WindowPtr pWin, | |
910 | int x, int y, WindowPtr pNextSib, VTKind kind) | |
911 | { | |
912 | ScreenPtr pScreen = pWin->drawable.pScreen; | |
913 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
914 | WindowPtr pParent, windowToValidate; | |
915 | Bool WasViewable = (Bool) (pWin->viewable); | |
916 | short bw; | |
917 | RegionRec overReg, underReg; | |
918 | DDXPointRec oldpt; | |
919 | ||
920 | if (!(pParent = pWin->parent)) | |
921 | return; | |
922 | bw = wBorderWidth(pWin); | |
923 | ||
924 | oldpt.x = pWin->drawable.x; | |
925 | oldpt.y = pWin->drawable.y; | |
926 | if (WasViewable) { | |
927 | RegionNull(&overReg); | |
928 | RegionNull(&underReg); | |
929 | if (pTree) { | |
930 | RegionCopy(&overReg, &pWin->borderClip); | |
931 | RegionCopy(&underReg, &pTree->borderClip); | |
932 | } | |
933 | else { | |
934 | RegionCopy(&overReg, &pWin->borderClip); | |
935 | CollectUnderlayChildrenRegions(pWin, &underReg); | |
936 | } | |
937 | (*pScreen->MarkOverlappedWindows) (pWin, pWin, NULL); | |
938 | } | |
939 | pWin->origin.x = x + (int) bw; | |
940 | pWin->origin.y = y + (int) bw; | |
941 | x = pWin->drawable.x = pParent->drawable.x + x + (int) bw; | |
942 | y = pWin->drawable.y = pParent->drawable.y + y + (int) bw; | |
943 | ||
944 | SetWinSize(pWin); | |
945 | SetBorderSize(pWin); | |
946 | ||
947 | (*pScreen->PositionWindow) (pWin, x, y); | |
948 | ||
949 | windowToValidate = MoveWindowInStack(pWin, pNextSib); | |
950 | ||
951 | ResizeChildrenWinSize(pWin, x - oldpt.x, y - oldpt.y, 0, 0); | |
952 | ||
953 | if (WasViewable) { | |
954 | miOverlayScreenPtr pPriv = MIOVERLAY_GET_SCREEN_PRIVATE(pScreen); | |
955 | ||
956 | (*pScreen->MarkOverlappedWindows) (pWin, windowToValidate, NULL); | |
957 | ||
958 | (*pScreen->ValidateTree) (pWin->parent, NullWindow, kind); | |
959 | if (RegionNotEmpty(&underReg)) { | |
960 | pPriv->copyUnderlay = TRUE; | |
961 | (*pWin->drawable.pScreen->CopyWindow) (pWin, oldpt, &underReg); | |
962 | } | |
963 | RegionUninit(&underReg); | |
964 | if (RegionNotEmpty(&overReg)) { | |
965 | pPriv->copyUnderlay = FALSE; | |
966 | (*pWin->drawable.pScreen->CopyWindow) (pWin, oldpt, &overReg); | |
967 | } | |
968 | RegionUninit(&overReg); | |
969 | (*pScreen->HandleExposures) (pWin->parent); | |
970 | ||
971 | if (pScreen->PostValidateTree) | |
972 | (*pScreen->PostValidateTree) (pWin->parent, NullWindow, kind); | |
973 | } | |
974 | if (pWin->realized) | |
975 | WindowsRestructured(); | |
976 | } | |
977 | ||
978 | #ifndef RECTLIMIT | |
979 | #define RECTLIMIT 25 | |
980 | #endif | |
981 | ||
982 | static void | |
983 | miOverlayWindowExposures(WindowPtr pWin, | |
984 | RegionPtr prgn, RegionPtr other_exposed) | |
985 | { | |
986 | RegionPtr exposures = prgn; | |
987 | ||
988 | if ((prgn && !RegionNil(prgn)) || | |
989 | (exposures && !RegionNil(exposures)) || other_exposed) { | |
990 | RegionRec expRec; | |
991 | int clientInterested; | |
992 | ||
993 | clientInterested = (pWin->eventMask | wOtherEventMasks(pWin)) & | |
994 | ExposureMask; | |
995 | if (other_exposed) { | |
996 | if (exposures) { | |
997 | RegionUnion(other_exposed, exposures, other_exposed); | |
998 | if (exposures != prgn) | |
999 | RegionDestroy(exposures); | |
1000 | } | |
1001 | exposures = other_exposed; | |
1002 | } | |
1003 | if (clientInterested && exposures && | |
1004 | (RegionNumRects(exposures) > RECTLIMIT)) { | |
1005 | ScreenPtr pScreen = pWin->drawable.pScreen; | |
1006 | miOverlayScreenPtr pPriv = MIOVERLAY_GET_SCREEN_PRIVATE(pScreen); | |
1007 | BoxRec box; | |
1008 | ||
1009 | box = *RegionExtents(exposures); | |
1010 | if (exposures == prgn) { | |
1011 | exposures = &expRec; | |
1012 | RegionInit(exposures, &box, 1); | |
1013 | RegionReset(prgn, &box); | |
1014 | } | |
1015 | else { | |
1016 | RegionReset(exposures, &box); | |
1017 | RegionUnion(prgn, prgn, exposures); | |
1018 | } | |
1019 | /* This is the only reason why we are replacing mi's version | |
1020 | of this file */ | |
1021 | ||
1022 | if (!((*pPriv->InOverlay) (pWin))) { | |
1023 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
1024 | ||
1025 | RegionIntersect(prgn, prgn, &pTree->clipList); | |
1026 | } | |
1027 | else | |
1028 | RegionIntersect(prgn, prgn, &pWin->clipList); | |
1029 | } | |
1030 | if (prgn && !RegionNil(prgn)) | |
1031 | miPaintWindow(pWin, prgn, PW_BACKGROUND); | |
1032 | if (clientInterested && exposures && !RegionNil(exposures)) | |
1033 | miSendExposures(pWin, exposures, | |
1034 | pWin->drawable.x, pWin->drawable.y); | |
1035 | if (exposures == &expRec) { | |
1036 | RegionUninit(exposures); | |
1037 | } | |
1038 | else if (exposures && exposures != prgn && exposures != other_exposed) | |
1039 | RegionDestroy(exposures); | |
1040 | if (prgn) | |
1041 | RegionEmpty(prgn); | |
1042 | } | |
1043 | else if (exposures && exposures != prgn) | |
1044 | RegionDestroy(exposures); | |
1045 | } | |
1046 | ||
1047 | typedef struct { | |
1048 | RegionPtr over; | |
1049 | RegionPtr under; | |
1050 | } miOverlayTwoRegions; | |
1051 | ||
1052 | static int | |
1053 | miOverlayRecomputeExposures(WindowPtr pWin, pointer value) | |
1054 | { | |
1055 | miOverlayTwoRegions *pValid = (miOverlayTwoRegions *) value; | |
1056 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
1057 | ||
1058 | if (pWin->valdata) { | |
1059 | /* | |
1060 | * compute exposed regions of this window | |
1061 | */ | |
1062 | RegionSubtract(&pWin->valdata->after.exposed, | |
1063 | &pWin->clipList, pValid->over); | |
1064 | /* | |
1065 | * compute exposed regions of the border | |
1066 | */ | |
1067 | RegionSubtract(&pWin->valdata->after.borderExposed, | |
1068 | &pWin->borderClip, &pWin->winSize); | |
1069 | RegionSubtract(&pWin->valdata->after.borderExposed, | |
1070 | &pWin->valdata->after.borderExposed, pValid->over); | |
1071 | } | |
1072 | ||
1073 | if (pTree && pTree->valdata) { | |
1074 | RegionSubtract(&pTree->valdata->exposed, | |
1075 | &pTree->clipList, pValid->under); | |
1076 | RegionSubtract(&pTree->valdata->borderExposed, | |
1077 | &pTree->borderClip, &pWin->winSize); | |
1078 | RegionSubtract(&pTree->valdata->borderExposed, | |
1079 | &pTree->valdata->borderExposed, pValid->under); | |
1080 | } | |
1081 | else if (!pWin->valdata) | |
1082 | return WT_NOMATCH; | |
1083 | ||
1084 | return WT_WALKCHILDREN; | |
1085 | } | |
1086 | ||
1087 | static void | |
1088 | miOverlayResizeWindow(WindowPtr pWin, | |
1089 | int x, int y, | |
1090 | unsigned int w, unsigned int h, WindowPtr pSib) | |
1091 | { | |
1092 | ScreenPtr pScreen = pWin->drawable.pScreen; | |
1093 | WindowPtr pParent; | |
1094 | miOverlayTreePtr tChild, pTree; | |
1095 | Bool WasViewable = (Bool) (pWin->viewable); | |
1096 | unsigned short width = pWin->drawable.width; | |
1097 | unsigned short height = pWin->drawable.height; | |
1098 | short oldx = pWin->drawable.x; | |
1099 | short oldy = pWin->drawable.y; | |
1100 | int bw = wBorderWidth(pWin); | |
1101 | short dw, dh; | |
1102 | DDXPointRec oldpt; | |
1103 | RegionPtr oldRegion = NULL, oldRegion2 = NULL; | |
1104 | WindowPtr pFirstChange; | |
1105 | WindowPtr pChild; | |
1106 | RegionPtr gravitate[StaticGravity + 1]; | |
1107 | RegionPtr gravitate2[StaticGravity + 1]; | |
1108 | unsigned g; | |
1109 | int nx, ny; /* destination x,y */ | |
1110 | int newx, newy; /* new inner window position */ | |
1111 | RegionPtr pRegion = NULL; | |
1112 | RegionPtr destClip, destClip2; | |
1113 | RegionPtr oldWinClip = NULL, oldWinClip2 = NULL; | |
1114 | RegionPtr borderVisible = NullRegion; | |
1115 | RegionPtr borderVisible2 = NullRegion; | |
1116 | Bool shrunk = FALSE; /* shrunk in an inner dimension */ | |
1117 | Bool moved = FALSE; /* window position changed */ | |
1118 | Bool doUnderlay; | |
1119 | ||
1120 | /* if this is a root window, can't be resized */ | |
1121 | if (!(pParent = pWin->parent)) | |
1122 | return; | |
1123 | ||
1124 | pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
1125 | doUnderlay = ((pTree) || HasUnderlayChildren(pWin)); | |
1126 | newx = pParent->drawable.x + x + bw; | |
1127 | newy = pParent->drawable.y + y + bw; | |
1128 | if (WasViewable) { | |
1129 | /* | |
1130 | * save the visible region of the window | |
1131 | */ | |
1132 | oldRegion = RegionCreate(NullBox, 1); | |
1133 | RegionCopy(oldRegion, &pWin->winSize); | |
1134 | if (doUnderlay) { | |
1135 | oldRegion2 = RegionCreate(NullBox, 1); | |
1136 | RegionCopy(oldRegion2, &pWin->winSize); | |
1137 | } | |
1138 | ||
1139 | /* | |
1140 | * categorize child windows into regions to be moved | |
1141 | */ | |
1142 | for (g = 0; g <= StaticGravity; g++) | |
1143 | gravitate[g] = gravitate2[g] = NULL; | |
1144 | for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) { | |
1145 | g = pChild->winGravity; | |
1146 | if (g != UnmapGravity) { | |
1147 | if (!gravitate[g]) | |
1148 | gravitate[g] = RegionCreate(NullBox, 1); | |
1149 | RegionUnion(gravitate[g], gravitate[g], &pChild->borderClip); | |
1150 | ||
1151 | if (doUnderlay) { | |
1152 | if (!gravitate2[g]) | |
1153 | gravitate2[g] = RegionCreate(NullBox, 0); | |
1154 | ||
1155 | if ((tChild = MIOVERLAY_GET_WINDOW_TREE(pChild))) { | |
1156 | RegionUnion(gravitate2[g], | |
1157 | gravitate2[g], &tChild->borderClip); | |
1158 | } | |
1159 | else | |
1160 | CollectUnderlayChildrenRegions(pChild, gravitate2[g]); | |
1161 | } | |
1162 | } | |
1163 | else { | |
1164 | UnmapWindow(pChild, TRUE); | |
1165 | } | |
1166 | } | |
1167 | (*pScreen->MarkOverlappedWindows) (pWin, pWin, NULL); | |
1168 | ||
1169 | oldWinClip = oldWinClip2 = NULL; | |
1170 | if (pWin->bitGravity != ForgetGravity) { | |
1171 | oldWinClip = RegionCreate(NullBox, 1); | |
1172 | RegionCopy(oldWinClip, &pWin->clipList); | |
1173 | if (pTree) { | |
1174 | oldWinClip2 = RegionCreate(NullBox, 1); | |
1175 | RegionCopy(oldWinClip2, &pTree->clipList); | |
1176 | } | |
1177 | } | |
1178 | /* | |
1179 | * if the window is changing size, borderExposed | |
1180 | * can't be computed correctly without some help. | |
1181 | */ | |
1182 | if (pWin->drawable.height > h || pWin->drawable.width > w) | |
1183 | shrunk = TRUE; | |
1184 | ||
1185 | if (newx != oldx || newy != oldy) | |
1186 | moved = TRUE; | |
1187 | ||
1188 | if ((pWin->drawable.height != h || pWin->drawable.width != w) && | |
1189 | HasBorder(pWin)) { | |
1190 | borderVisible = RegionCreate(NullBox, 1); | |
1191 | if (pTree) | |
1192 | borderVisible2 = RegionCreate(NullBox, 1); | |
1193 | /* for tiled borders, we punt and draw the whole thing */ | |
1194 | if (pWin->borderIsPixel || !moved) { | |
1195 | if (shrunk || moved) | |
1196 | RegionSubtract(borderVisible, | |
1197 | &pWin->borderClip, &pWin->winSize); | |
1198 | else | |
1199 | RegionCopy(borderVisible, &pWin->borderClip); | |
1200 | if (pTree) { | |
1201 | if (shrunk || moved) | |
1202 | RegionSubtract(borderVisible, | |
1203 | &pTree->borderClip, &pWin->winSize); | |
1204 | else | |
1205 | RegionCopy(borderVisible, &pTree->borderClip); | |
1206 | } | |
1207 | } | |
1208 | } | |
1209 | } | |
1210 | pWin->origin.x = x + bw; | |
1211 | pWin->origin.y = y + bw; | |
1212 | pWin->drawable.height = h; | |
1213 | pWin->drawable.width = w; | |
1214 | ||
1215 | x = pWin->drawable.x = newx; | |
1216 | y = pWin->drawable.y = newy; | |
1217 | ||
1218 | SetWinSize(pWin); | |
1219 | SetBorderSize(pWin); | |
1220 | ||
1221 | dw = (int) w - (int) width; | |
1222 | dh = (int) h - (int) height; | |
1223 | ResizeChildrenWinSize(pWin, x - oldx, y - oldy, dw, dh); | |
1224 | ||
1225 | /* let the hardware adjust background and border pixmaps, if any */ | |
1226 | (*pScreen->PositionWindow) (pWin, x, y); | |
1227 | ||
1228 | pFirstChange = MoveWindowInStack(pWin, pSib); | |
1229 | ||
1230 | if (WasViewable) { | |
1231 | pRegion = RegionCreate(NullBox, 1); | |
1232 | ||
1233 | (*pScreen->MarkOverlappedWindows) (pWin, pFirstChange, NULL); | |
1234 | ||
1235 | pWin->valdata->before.resized = TRUE; | |
1236 | pWin->valdata->before.borderVisible = borderVisible; | |
1237 | if (pTree) | |
1238 | pTree->valdata->borderVisible = borderVisible2; | |
1239 | ||
1240 | (*pScreen->ValidateTree) (pWin->parent, pFirstChange, VTOther); | |
1241 | /* | |
1242 | * the entire window is trashed unless bitGravity | |
1243 | * recovers portions of it | |
1244 | */ | |
1245 | RegionCopy(&pWin->valdata->after.exposed, &pWin->clipList); | |
1246 | if (pTree) | |
1247 | RegionCopy(&pTree->valdata->exposed, &pTree->clipList); | |
1248 | } | |
1249 | ||
1250 | GravityTranslate(x, y, oldx, oldy, dw, dh, pWin->bitGravity, &nx, &ny); | |
1251 | ||
1252 | if (WasViewable) { | |
1253 | miOverlayScreenPtr pPriv = MIOVERLAY_GET_SCREEN_PRIVATE(pScreen); | |
1254 | miOverlayTwoRegions TwoRegions; | |
1255 | ||
1256 | /* avoid the border */ | |
1257 | if (HasBorder(pWin)) { | |
1258 | int offx, offy, dx, dy; | |
1259 | ||
1260 | /* kruft to avoid double translates for each gravity */ | |
1261 | offx = 0; | |
1262 | offy = 0; | |
1263 | for (g = 0; g <= StaticGravity; g++) { | |
1264 | if (!gravitate[g] && !gravitate2[g]) | |
1265 | continue; | |
1266 | ||
1267 | /* align winSize to gravitate[g]. | |
1268 | * winSize is in new coordinates, | |
1269 | * gravitate[g] is still in old coordinates */ | |
1270 | GravityTranslate(x, y, oldx, oldy, dw, dh, g, &nx, &ny); | |
1271 | ||
1272 | dx = (oldx - nx) - offx; | |
1273 | dy = (oldy - ny) - offy; | |
1274 | if (dx || dy) { | |
1275 | RegionTranslate(&pWin->winSize, dx, dy); | |
1276 | offx += dx; | |
1277 | offy += dy; | |
1278 | } | |
1279 | if (gravitate[g]) | |
1280 | RegionIntersect(gravitate[g], gravitate[g], &pWin->winSize); | |
1281 | if (gravitate2[g]) | |
1282 | RegionIntersect(gravitate2[g], gravitate2[g], | |
1283 | &pWin->winSize); | |
1284 | } | |
1285 | /* get winSize back where it belongs */ | |
1286 | if (offx || offy) | |
1287 | RegionTranslate(&pWin->winSize, -offx, -offy); | |
1288 | } | |
1289 | /* | |
1290 | * add screen bits to the appropriate bucket | |
1291 | */ | |
1292 | ||
1293 | if (oldWinClip2) { | |
1294 | RegionCopy(pRegion, oldWinClip2); | |
1295 | RegionTranslate(pRegion, nx - oldx, ny - oldy); | |
1296 | RegionIntersect(oldWinClip2, pRegion, &pTree->clipList); | |
1297 | ||
1298 | for (g = pWin->bitGravity + 1; g <= StaticGravity; g++) { | |
1299 | if (gravitate2[g]) | |
1300 | RegionSubtract(oldWinClip2, oldWinClip2, gravitate2[g]); | |
1301 | } | |
1302 | RegionTranslate(oldWinClip2, oldx - nx, oldy - ny); | |
1303 | g = pWin->bitGravity; | |
1304 | if (!gravitate2[g]) | |
1305 | gravitate2[g] = oldWinClip2; | |
1306 | else { | |
1307 | RegionUnion(gravitate2[g], gravitate2[g], oldWinClip2); | |
1308 | RegionDestroy(oldWinClip2); | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | if (oldWinClip) { | |
1313 | /* | |
1314 | * clip to new clipList | |
1315 | */ | |
1316 | RegionCopy(pRegion, oldWinClip); | |
1317 | RegionTranslate(pRegion, nx - oldx, ny - oldy); | |
1318 | RegionIntersect(oldWinClip, pRegion, &pWin->clipList); | |
1319 | /* | |
1320 | * don't step on any gravity bits which will be copied after this | |
1321 | * region. Note -- this assumes that the regions will be copied | |
1322 | * in gravity order. | |
1323 | */ | |
1324 | for (g = pWin->bitGravity + 1; g <= StaticGravity; g++) { | |
1325 | if (gravitate[g]) | |
1326 | RegionSubtract(oldWinClip, oldWinClip, gravitate[g]); | |
1327 | } | |
1328 | RegionTranslate(oldWinClip, oldx - nx, oldy - ny); | |
1329 | g = pWin->bitGravity; | |
1330 | if (!gravitate[g]) | |
1331 | gravitate[g] = oldWinClip; | |
1332 | else { | |
1333 | RegionUnion(gravitate[g], gravitate[g], oldWinClip); | |
1334 | RegionDestroy(oldWinClip); | |
1335 | } | |
1336 | } | |
1337 | ||
1338 | /* | |
1339 | * move the bits on the screen | |
1340 | */ | |
1341 | ||
1342 | destClip = destClip2 = NULL; | |
1343 | ||
1344 | for (g = 0; g <= StaticGravity; g++) { | |
1345 | if (!gravitate[g] && !gravitate2[g]) | |
1346 | continue; | |
1347 | ||
1348 | GravityTranslate(x, y, oldx, oldy, dw, dh, g, &nx, &ny); | |
1349 | ||
1350 | oldpt.x = oldx + (x - nx); | |
1351 | oldpt.y = oldy + (y - ny); | |
1352 | ||
1353 | /* Note that gravitate[g] is *translated* by CopyWindow */ | |
1354 | ||
1355 | /* only copy the remaining useful bits */ | |
1356 | ||
1357 | if (gravitate[g]) | |
1358 | RegionIntersect(gravitate[g], gravitate[g], oldRegion); | |
1359 | if (gravitate2[g]) | |
1360 | RegionIntersect(gravitate2[g], gravitate2[g], oldRegion2); | |
1361 | ||
1362 | /* clip to not overwrite already copied areas */ | |
1363 | ||
1364 | if (destClip && gravitate[g]) { | |
1365 | RegionTranslate(destClip, oldpt.x - x, oldpt.y - y); | |
1366 | RegionSubtract(gravitate[g], gravitate[g], destClip); | |
1367 | RegionTranslate(destClip, x - oldpt.x, y - oldpt.y); | |
1368 | } | |
1369 | if (destClip2 && gravitate2[g]) { | |
1370 | RegionTranslate(destClip2, oldpt.x - x, oldpt.y - y); | |
1371 | RegionSubtract(gravitate2[g], gravitate2[g], destClip2); | |
1372 | RegionTranslate(destClip2, x - oldpt.x, y - oldpt.y); | |
1373 | } | |
1374 | ||
1375 | /* and move those bits */ | |
1376 | ||
1377 | if (oldpt.x != x || oldpt.y != y) { | |
1378 | if (gravitate2[g]) { | |
1379 | pPriv->copyUnderlay = TRUE; | |
1380 | (*pScreen->CopyWindow) (pWin, oldpt, gravitate2[g]); | |
1381 | } | |
1382 | if (gravitate[g]) { | |
1383 | pPriv->copyUnderlay = FALSE; | |
1384 | (*pScreen->CopyWindow) (pWin, oldpt, gravitate[g]); | |
1385 | } | |
1386 | } | |
1387 | ||
1388 | /* remove any overwritten bits from the remaining useful bits */ | |
1389 | ||
1390 | if (gravitate[g]) | |
1391 | RegionSubtract(oldRegion, oldRegion, gravitate[g]); | |
1392 | if (gravitate2[g]) | |
1393 | RegionSubtract(oldRegion2, oldRegion2, gravitate2[g]); | |
1394 | ||
1395 | /* | |
1396 | * recompute exposed regions of child windows | |
1397 | */ | |
1398 | ||
1399 | for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib) { | |
1400 | if (pChild->winGravity != g) | |
1401 | continue; | |
1402 | ||
1403 | TwoRegions.over = gravitate[g]; | |
1404 | TwoRegions.under = gravitate2[g]; | |
1405 | ||
1406 | TraverseTree(pChild, miOverlayRecomputeExposures, | |
1407 | (pointer) (&TwoRegions)); | |
1408 | } | |
1409 | ||
1410 | /* | |
1411 | * remove the successfully copied regions of the | |
1412 | * window from its exposed region | |
1413 | */ | |
1414 | ||
1415 | if (g == pWin->bitGravity) { | |
1416 | if (gravitate[g]) | |
1417 | RegionSubtract(&pWin->valdata->after.exposed, | |
1418 | &pWin->valdata->after.exposed, gravitate[g]); | |
1419 | if (gravitate2[g] && pTree) | |
1420 | RegionSubtract(&pTree->valdata->exposed, | |
1421 | &pTree->valdata->exposed, gravitate2[g]); | |
1422 | } | |
1423 | if (gravitate[g]) { | |
1424 | if (!destClip) | |
1425 | destClip = gravitate[g]; | |
1426 | else { | |
1427 | RegionUnion(destClip, destClip, gravitate[g]); | |
1428 | RegionDestroy(gravitate[g]); | |
1429 | } | |
1430 | } | |
1431 | if (gravitate2[g]) { | |
1432 | if (!destClip2) | |
1433 | destClip2 = gravitate2[g]; | |
1434 | else { | |
1435 | RegionUnion(destClip2, destClip2, gravitate2[g]); | |
1436 | RegionDestroy(gravitate2[g]); | |
1437 | } | |
1438 | } | |
1439 | } | |
1440 | ||
1441 | RegionDestroy(pRegion); | |
1442 | RegionDestroy(oldRegion); | |
1443 | if (doUnderlay) | |
1444 | RegionDestroy(oldRegion2); | |
1445 | if (destClip) | |
1446 | RegionDestroy(destClip); | |
1447 | if (destClip2) | |
1448 | RegionDestroy(destClip2); | |
1449 | (*pScreen->HandleExposures) (pWin->parent); | |
1450 | if (pScreen->PostValidateTree) | |
1451 | (*pScreen->PostValidateTree) (pWin->parent, pFirstChange, VTOther); | |
1452 | } | |
1453 | if (pWin->realized) | |
1454 | WindowsRestructured(); | |
1455 | } | |
1456 | ||
1457 | static void | |
1458 | miOverlaySetShape(WindowPtr pWin, int kind) | |
1459 | { | |
1460 | Bool WasViewable = (Bool) (pWin->viewable); | |
1461 | ScreenPtr pScreen = pWin->drawable.pScreen; | |
1462 | ||
1463 | if (kind != ShapeInput) { | |
1464 | if (WasViewable) { | |
1465 | (*pScreen->MarkOverlappedWindows) (pWin, pWin, NULL); | |
1466 | ||
1467 | if (HasBorder(pWin)) { | |
1468 | RegionPtr borderVisible; | |
1469 | ||
1470 | borderVisible = RegionCreate(NullBox, 1); | |
1471 | RegionSubtract(borderVisible, | |
1472 | &pWin->borderClip, &pWin->winSize); | |
1473 | pWin->valdata->before.borderVisible = borderVisible; | |
1474 | pWin->valdata->before.resized = TRUE; | |
1475 | if (IN_UNDERLAY(pWin)) { | |
1476 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
1477 | RegionPtr borderVisible2; | |
1478 | ||
1479 | borderVisible2 = RegionCreate(NULL, 1); | |
1480 | RegionSubtract(borderVisible2, | |
1481 | &pTree->borderClip, &pWin->winSize); | |
1482 | pTree->valdata->borderVisible = borderVisible2; | |
1483 | } | |
1484 | } | |
1485 | } | |
1486 | ||
1487 | SetWinSize(pWin); | |
1488 | SetBorderSize(pWin); | |
1489 | ||
1490 | ResizeChildrenWinSize(pWin, 0, 0, 0, 0); | |
1491 | ||
1492 | if (WasViewable) { | |
1493 | (*pScreen->MarkOverlappedWindows) (pWin, pWin, NULL); | |
1494 | ||
1495 | (*pScreen->ValidateTree) (pWin->parent, NullWindow, VTOther); | |
1496 | } | |
1497 | ||
1498 | if (WasViewable) { | |
1499 | (*pScreen->HandleExposures) (pWin->parent); | |
1500 | if (pScreen->PostValidateTree) | |
1501 | (*pScreen->PostValidateTree) (pWin->parent, NullWindow, | |
1502 | VTOther); | |
1503 | } | |
1504 | } | |
1505 | if (pWin->realized) | |
1506 | WindowsRestructured(); | |
1507 | CheckCursorConfinement(pWin); | |
1508 | } | |
1509 | ||
1510 | static void | |
1511 | miOverlayChangeBorderWidth(WindowPtr pWin, unsigned int width) | |
1512 | { | |
1513 | int oldwidth; | |
1514 | ScreenPtr pScreen; | |
1515 | Bool WasViewable = (Bool) (pWin->viewable); | |
1516 | Bool HadBorder; | |
1517 | ||
1518 | oldwidth = wBorderWidth(pWin); | |
1519 | if (oldwidth == width) | |
1520 | return; | |
1521 | HadBorder = HasBorder(pWin); | |
1522 | pScreen = pWin->drawable.pScreen; | |
1523 | if (WasViewable && (width < oldwidth)) | |
1524 | (*pScreen->MarkOverlappedWindows) (pWin, pWin, NULL); | |
1525 | ||
1526 | pWin->borderWidth = width; | |
1527 | SetBorderSize(pWin); | |
1528 | ||
1529 | if (WasViewable) { | |
1530 | if (width > oldwidth) { | |
1531 | (*pScreen->MarkOverlappedWindows) (pWin, pWin, NULL); | |
1532 | ||
1533 | if (HadBorder) { | |
1534 | RegionPtr borderVisible; | |
1535 | ||
1536 | borderVisible = RegionCreate(NULL, 1); | |
1537 | RegionSubtract(borderVisible, | |
1538 | &pWin->borderClip, &pWin->winSize); | |
1539 | pWin->valdata->before.borderVisible = borderVisible; | |
1540 | if (IN_UNDERLAY(pWin)) { | |
1541 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
1542 | RegionPtr borderVisible2; | |
1543 | ||
1544 | borderVisible2 = RegionCreate(NULL, 1); | |
1545 | RegionSubtract(borderVisible2, | |
1546 | &pTree->borderClip, &pWin->winSize); | |
1547 | pTree->valdata->borderVisible = borderVisible2; | |
1548 | } | |
1549 | } | |
1550 | } | |
1551 | (*pScreen->ValidateTree) (pWin->parent, pWin, VTOther); | |
1552 | (*pScreen->HandleExposures) (pWin->parent); | |
1553 | ||
1554 | if (pScreen->PostValidateTree) | |
1555 | (*pScreen->PostValidateTree) (pWin->parent, pWin, VTOther); | |
1556 | } | |
1557 | if (pWin->realized) | |
1558 | WindowsRestructured(); | |
1559 | } | |
1560 | ||
1561 | /* We need this as an addition since the xf86 common code doesn't | |
1562 | know about the second tree which is static to this file. */ | |
1563 | ||
1564 | void | |
1565 | miOverlaySetRootClip(ScreenPtr pScreen, Bool enable) | |
1566 | { | |
1567 | WindowPtr pRoot = pScreen->root; | |
1568 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pRoot); | |
1569 | ||
1570 | MARK_UNDERLAY(pRoot); | |
1571 | ||
1572 | if (enable) { | |
1573 | BoxRec box; | |
1574 | ||
1575 | box.x1 = 0; | |
1576 | box.y1 = 0; | |
1577 | box.x2 = pScreen->width; | |
1578 | box.y2 = pScreen->height; | |
1579 | ||
1580 | RegionReset(&pTree->borderClip, &box); | |
1581 | } | |
1582 | else | |
1583 | RegionEmpty(&pTree->borderClip); | |
1584 | ||
1585 | RegionBreak(&pTree->clipList); | |
1586 | } | |
1587 | ||
1588 | static void | |
1589 | miOverlayClearToBackground(WindowPtr pWin, | |
1590 | int x, int y, int w, int h, Bool generateExposures) | |
1591 | { | |
1592 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
1593 | BoxRec box; | |
1594 | RegionRec reg; | |
1595 | RegionPtr pBSReg = NullRegion; | |
1596 | ScreenPtr pScreen = pWin->drawable.pScreen; | |
1597 | miOverlayScreenPtr pScreenPriv = MIOVERLAY_GET_SCREEN_PRIVATE(pScreen); | |
1598 | RegionPtr clipList; | |
1599 | BoxPtr extents; | |
1600 | int x1, y1, x2, y2; | |
1601 | ||
1602 | x1 = pWin->drawable.x + x; | |
1603 | y1 = pWin->drawable.y + y; | |
1604 | if (w) | |
1605 | x2 = x1 + (int) w; | |
1606 | else | |
1607 | x2 = x1 + (int) pWin->drawable.width - (int) x; | |
1608 | if (h) | |
1609 | y2 = y1 + h; | |
1610 | else | |
1611 | y2 = y1 + (int) pWin->drawable.height - (int) y; | |
1612 | ||
1613 | clipList = ((*pScreenPriv->InOverlay) (pWin)) ? &pWin->clipList : | |
1614 | &pTree->clipList; | |
1615 | ||
1616 | extents = RegionExtents(clipList); | |
1617 | ||
1618 | if (x1 < extents->x1) | |
1619 | x1 = extents->x1; | |
1620 | if (x2 > extents->x2) | |
1621 | x2 = extents->x2; | |
1622 | if (y1 < extents->y1) | |
1623 | y1 = extents->y1; | |
1624 | if (y2 > extents->y2) | |
1625 | y2 = extents->y2; | |
1626 | ||
1627 | if (x2 <= x1 || y2 <= y1) | |
1628 | x2 = x1 = y2 = y1 = 0; | |
1629 | ||
1630 | box.x1 = x1; | |
1631 | box.x2 = x2; | |
1632 | box.y1 = y1; | |
1633 | box.y2 = y2; | |
1634 | ||
1635 | RegionInit(®, &box, 1); | |
1636 | ||
1637 | RegionIntersect(®, ®, clipList); | |
1638 | if (generateExposures) | |
1639 | (*pScreen->WindowExposures) (pWin, ®, pBSReg); | |
1640 | else if (pWin->backgroundState != None) | |
1641 | miPaintWindow(pWin, ®, PW_BACKGROUND); | |
1642 | RegionUninit(®); | |
1643 | if (pBSReg) | |
1644 | RegionDestroy(pBSReg); | |
1645 | } | |
1646 | ||
1647 | /****************************************************************/ | |
1648 | ||
1649 | /* not used */ | |
1650 | Bool | |
1651 | miOverlayGetPrivateClips(WindowPtr pWin, | |
1652 | RegionPtr *borderClip, RegionPtr *clipList) | |
1653 | { | |
1654 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
1655 | ||
1656 | if (pTree) { | |
1657 | *borderClip = &(pTree->borderClip); | |
1658 | *clipList = &(pTree->clipList); | |
1659 | return TRUE; | |
1660 | } | |
1661 | ||
1662 | *borderClip = *clipList = NULL; | |
1663 | ||
1664 | return FALSE; | |
1665 | } | |
1666 | ||
1667 | void | |
1668 | miOverlaySetTransFunction(ScreenPtr pScreen, miOverlayTransFunc transFunc) | |
1669 | { | |
1670 | MIOVERLAY_GET_SCREEN_PRIVATE(pScreen)->MakeTransparent = transFunc; | |
1671 | } | |
1672 | ||
1673 | Bool | |
1674 | miOverlayCopyUnderlay(ScreenPtr pScreen) | |
1675 | { | |
1676 | return MIOVERLAY_GET_SCREEN_PRIVATE(pScreen)->copyUnderlay; | |
1677 | } | |
1678 | ||
1679 | void | |
1680 | miOverlayComputeCompositeClip(GCPtr pGC, WindowPtr pWin) | |
1681 | { | |
1682 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
1683 | RegionPtr pregWin; | |
1684 | Bool freeTmpClip, freeCompClip; | |
1685 | ||
1686 | if (!pTree) { | |
1687 | miComputeCompositeClip(pGC, &pWin->drawable); | |
1688 | return; | |
1689 | } | |
1690 | ||
1691 | if (pGC->subWindowMode == IncludeInferiors) { | |
1692 | pregWin = RegionCreate(NullBox, 1); | |
1693 | freeTmpClip = TRUE; | |
1694 | if (pWin->parent || (screenIsSaved != SCREEN_SAVER_ON) || | |
1695 | !HasSaverWindow(pGC->pScreen)) { | |
1696 | RegionIntersect(pregWin, &pTree->borderClip, &pWin->winSize); | |
1697 | } | |
1698 | } | |
1699 | else { | |
1700 | pregWin = &pTree->clipList; | |
1701 | freeTmpClip = FALSE; | |
1702 | } | |
1703 | freeCompClip = pGC->freeCompClip; | |
1704 | if (pGC->clientClipType == CT_NONE) { | |
1705 | if (freeCompClip) | |
1706 | RegionDestroy(pGC->pCompositeClip); | |
1707 | pGC->pCompositeClip = pregWin; | |
1708 | pGC->freeCompClip = freeTmpClip; | |
1709 | } | |
1710 | else { | |
1711 | RegionTranslate(pGC->clientClip, | |
1712 | pWin->drawable.x + pGC->clipOrg.x, | |
1713 | pWin->drawable.y + pGC->clipOrg.y); | |
1714 | ||
1715 | if (freeCompClip) { | |
1716 | RegionIntersect(pGC->pCompositeClip, pregWin, pGC->clientClip); | |
1717 | if (freeTmpClip) | |
1718 | RegionDestroy(pregWin); | |
1719 | } | |
1720 | else if (freeTmpClip) { | |
1721 | RegionIntersect(pregWin, pregWin, pGC->clientClip); | |
1722 | pGC->pCompositeClip = pregWin; | |
1723 | } | |
1724 | else { | |
1725 | pGC->pCompositeClip = RegionCreate(NullBox, 0); | |
1726 | RegionIntersect(pGC->pCompositeClip, pregWin, pGC->clientClip); | |
1727 | } | |
1728 | pGC->freeCompClip = TRUE; | |
1729 | RegionTranslate(pGC->clientClip, | |
1730 | -(pWin->drawable.x + pGC->clipOrg.x), | |
1731 | -(pWin->drawable.y + pGC->clipOrg.y)); | |
1732 | } | |
1733 | } | |
1734 | ||
1735 | Bool | |
1736 | miOverlayCollectUnderlayRegions(WindowPtr pWin, RegionPtr *region) | |
1737 | { | |
1738 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
1739 | ||
1740 | if (pTree) { | |
1741 | *region = &pTree->borderClip; | |
1742 | return FALSE; | |
1743 | } | |
1744 | ||
1745 | *region = RegionCreate(NullBox, 0); | |
1746 | ||
1747 | CollectUnderlayChildrenRegions(pWin, *region); | |
1748 | ||
1749 | return TRUE; | |
1750 | } | |
1751 | ||
1752 | static miOverlayTreePtr | |
1753 | DoLeaf(WindowPtr pWin, miOverlayTreePtr parent, miOverlayTreePtr prevSib) | |
1754 | { | |
1755 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
1756 | ||
1757 | pTree->parent = parent; | |
1758 | pTree->firstChild = NULL; | |
1759 | pTree->lastChild = NULL; | |
1760 | pTree->prevSib = prevSib; | |
1761 | pTree->nextSib = NULL; | |
1762 | ||
1763 | if (prevSib) | |
1764 | prevSib->nextSib = pTree; | |
1765 | ||
1766 | if (!parent->firstChild) | |
1767 | parent->firstChild = parent->lastChild = pTree; | |
1768 | else if (parent->lastChild == prevSib) | |
1769 | parent->lastChild = pTree; | |
1770 | ||
1771 | return pTree; | |
1772 | } | |
1773 | ||
1774 | static void | |
1775 | RebuildTree(WindowPtr pWin) | |
1776 | { | |
1777 | miOverlayTreePtr parent, prevSib, tChild; | |
1778 | WindowPtr pChild; | |
1779 | ||
1780 | prevSib = tChild = NULL; | |
1781 | ||
1782 | pWin = pWin->parent; | |
1783 | ||
1784 | while (IN_OVERLAY(pWin)) | |
1785 | pWin = pWin->parent; | |
1786 | ||
1787 | parent = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
1788 | ||
1789 | pChild = pWin->firstChild; | |
1790 | parent->firstChild = parent->lastChild = NULL; | |
1791 | ||
1792 | while (1) { | |
1793 | if (IN_UNDERLAY(pChild)) | |
1794 | prevSib = tChild = DoLeaf(pChild, parent, prevSib); | |
1795 | ||
1796 | if (pChild->firstChild) { | |
1797 | if (IN_UNDERLAY(pChild)) { | |
1798 | parent = tChild; | |
1799 | prevSib = NULL; | |
1800 | } | |
1801 | pChild = pChild->firstChild; | |
1802 | continue; | |
1803 | } | |
1804 | ||
1805 | while (!pChild->nextSib) { | |
1806 | pChild = pChild->parent; | |
1807 | if (pChild == pWin) | |
1808 | return; | |
1809 | if (IN_UNDERLAY(pChild)) { | |
1810 | prevSib = tChild = MIOVERLAY_GET_WINDOW_TREE(pChild); | |
1811 | parent = tChild->parent; | |
1812 | } | |
1813 | } | |
1814 | ||
1815 | pChild = pChild->nextSib; | |
1816 | } | |
1817 | } | |
1818 | ||
1819 | static Bool | |
1820 | HasUnderlayChildren(WindowPtr pWin) | |
1821 | { | |
1822 | WindowPtr pChild; | |
1823 | ||
1824 | if (!(pChild = pWin->firstChild)) | |
1825 | return FALSE; | |
1826 | ||
1827 | while (1) { | |
1828 | if (IN_UNDERLAY(pChild)) | |
1829 | return TRUE; | |
1830 | ||
1831 | if (pChild->firstChild) { | |
1832 | pChild = pChild->firstChild; | |
1833 | continue; | |
1834 | } | |
1835 | ||
1836 | while (!pChild->nextSib && (pWin != pChild)) | |
1837 | pChild = pChild->parent; | |
1838 | ||
1839 | if (pChild == pWin) | |
1840 | break; | |
1841 | ||
1842 | pChild = pChild->nextSib; | |
1843 | } | |
1844 | ||
1845 | return FALSE; | |
1846 | } | |
1847 | ||
1848 | static Bool | |
1849 | CollectUnderlayChildrenRegions(WindowPtr pWin, RegionPtr pReg) | |
1850 | { | |
1851 | WindowPtr pChild; | |
1852 | miOverlayTreePtr pTree; | |
1853 | Bool hasUnderlay; | |
1854 | ||
1855 | if (!(pChild = pWin->firstChild)) | |
1856 | return FALSE; | |
1857 | ||
1858 | hasUnderlay = FALSE; | |
1859 | ||
1860 | while (1) { | |
1861 | if ((pTree = MIOVERLAY_GET_WINDOW_TREE(pChild))) { | |
1862 | RegionAppend(pReg, &pTree->borderClip); | |
1863 | hasUnderlay = TRUE; | |
1864 | } | |
1865 | else if (pChild->firstChild) { | |
1866 | pChild = pChild->firstChild; | |
1867 | continue; | |
1868 | } | |
1869 | ||
1870 | while (!pChild->nextSib && (pWin != pChild)) | |
1871 | pChild = pChild->parent; | |
1872 | ||
1873 | if (pChild == pWin) | |
1874 | break; | |
1875 | ||
1876 | pChild = pChild->nextSib; | |
1877 | } | |
1878 | ||
1879 | if (hasUnderlay) { | |
1880 | Bool overlap; | |
1881 | ||
1882 | RegionValidate(pReg, &overlap); | |
1883 | } | |
1884 | ||
1885 | return hasUnderlay; | |
1886 | } | |
1887 | ||
1888 | static void | |
1889 | MarkUnderlayWindow(WindowPtr pWin) | |
1890 | { | |
1891 | miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin); | |
1892 | ||
1893 | if (pTree->valdata) | |
1894 | return; | |
1895 | pTree->valdata = | |
1896 | (miOverlayValDataPtr) xnfalloc(sizeof(miOverlayValDataRec)); | |
1897 | pTree->valdata->oldAbsCorner.x = pWin->drawable.x; | |
1898 | pTree->valdata->oldAbsCorner.y = pWin->drawable.y; | |
1899 | pTree->valdata->borderVisible = NullRegion; | |
1900 | } |