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a09e091a JB |
1 | /* |
2 | ||
3 | Copyright 1993 by Davor Matic | |
4 | ||
5 | Permission to use, copy, modify, distribute, and sell this software | |
6 | and its documentation for any purpose is hereby granted without fee, | |
7 | provided that the above copyright notice appear in all copies and that | |
8 | both that copyright notice and this permission notice appear in | |
9 | supporting documentation. Davor Matic makes no representations about | |
10 | the suitability of this software for any purpose. It is provided "as | |
11 | is" without express or implied warranty. | |
12 | ||
13 | */ | |
14 | ||
15 | #ifdef HAVE_XNEST_CONFIG_H | |
16 | #include <xnest-config.h> | |
17 | #endif | |
18 | ||
19 | #include <X11/X.h> | |
20 | #include <X11/Xproto.h> | |
21 | #include "gcstruct.h" | |
22 | #include "window.h" | |
23 | #include "windowstr.h" | |
24 | #include "pixmapstr.h" | |
25 | #include "colormapst.h" | |
26 | #include "scrnintstr.h" | |
27 | #include "region.h" | |
28 | ||
29 | #include "mi.h" | |
30 | ||
31 | #include "Xnest.h" | |
32 | ||
33 | #include "Display.h" | |
34 | #include "Screen.h" | |
35 | #include "XNGC.h" | |
36 | #include "Drawable.h" | |
37 | #include "Color.h" | |
38 | #include "Visual.h" | |
39 | #include "Events.h" | |
40 | #include "Args.h" | |
41 | ||
42 | DevPrivateKeyRec xnestWindowPrivateKeyRec; | |
43 | ||
44 | static int | |
45 | xnestFindWindowMatch(WindowPtr pWin, pointer ptr) | |
46 | { | |
47 | xnestWindowMatch *wm = (xnestWindowMatch *) ptr; | |
48 | ||
49 | if (wm->window == xnestWindow(pWin)) { | |
50 | wm->pWin = pWin; | |
51 | return WT_STOPWALKING; | |
52 | } | |
53 | else | |
54 | return WT_WALKCHILDREN; | |
55 | } | |
56 | ||
57 | WindowPtr | |
58 | xnestWindowPtr(Window window) | |
59 | { | |
60 | xnestWindowMatch wm; | |
61 | int i; | |
62 | ||
63 | wm.pWin = NullWindow; | |
64 | wm.window = window; | |
65 | ||
66 | for (i = 0; i < xnestNumScreens; i++) { | |
67 | WalkTree(screenInfo.screens[i], xnestFindWindowMatch, (pointer) &wm); | |
68 | if (wm.pWin) | |
69 | break; | |
70 | } | |
71 | ||
72 | return wm.pWin; | |
73 | } | |
74 | ||
75 | Bool | |
76 | xnestCreateWindow(WindowPtr pWin) | |
77 | { | |
78 | unsigned long mask; | |
79 | XSetWindowAttributes attributes; | |
80 | Visual *visual; | |
81 | ColormapPtr pCmap; | |
82 | ||
83 | if (pWin->drawable.class == InputOnly) { | |
84 | mask = 0L; | |
85 | visual = CopyFromParent; | |
86 | } | |
87 | else { | |
88 | mask = CWEventMask | CWBackingStore; | |
89 | attributes.event_mask = ExposureMask; | |
90 | attributes.backing_store = NotUseful; | |
91 | ||
92 | if (pWin->parent) { | |
93 | if (pWin->optional && | |
94 | pWin->optional->visual != wVisual(pWin->parent)) { | |
95 | visual = | |
96 | xnestVisualFromID(pWin->drawable.pScreen, wVisual(pWin)); | |
97 | mask |= CWColormap; | |
98 | if (pWin->optional->colormap) { | |
99 | dixLookupResourceByType((pointer *) &pCmap, wColormap(pWin), | |
100 | RT_COLORMAP, serverClient, | |
101 | DixUseAccess); | |
102 | attributes.colormap = xnestColormap(pCmap); | |
103 | } | |
104 | else | |
105 | attributes.colormap = xnestDefaultVisualColormap(visual); | |
106 | } | |
107 | else | |
108 | visual = CopyFromParent; | |
109 | } | |
110 | else { /* root windows have their own colormaps at creation time */ | |
111 | visual = xnestVisualFromID(pWin->drawable.pScreen, wVisual(pWin)); | |
112 | dixLookupResourceByType((pointer *) &pCmap, wColormap(pWin), | |
113 | RT_COLORMAP, serverClient, DixUseAccess); | |
114 | mask |= CWColormap; | |
115 | attributes.colormap = xnestColormap(pCmap); | |
116 | } | |
117 | } | |
118 | ||
119 | xnestWindowPriv(pWin)->window = XCreateWindow(xnestDisplay, | |
120 | xnestWindowParent(pWin), | |
121 | pWin->origin.x - | |
122 | wBorderWidth(pWin), | |
123 | pWin->origin.y - | |
124 | wBorderWidth(pWin), | |
125 | pWin->drawable.width, | |
126 | pWin->drawable.height, | |
127 | pWin->borderWidth, | |
128 | pWin->drawable.depth, | |
129 | pWin->drawable.class, | |
130 | visual, mask, &attributes); | |
131 | xnestWindowPriv(pWin)->parent = xnestWindowParent(pWin); | |
132 | xnestWindowPriv(pWin)->x = pWin->origin.x - wBorderWidth(pWin); | |
133 | xnestWindowPriv(pWin)->y = pWin->origin.y - wBorderWidth(pWin); | |
134 | xnestWindowPriv(pWin)->width = pWin->drawable.width; | |
135 | xnestWindowPriv(pWin)->height = pWin->drawable.height; | |
136 | xnestWindowPriv(pWin)->border_width = pWin->borderWidth; | |
137 | xnestWindowPriv(pWin)->sibling_above = None; | |
138 | if (pWin->nextSib) | |
139 | xnestWindowPriv(pWin->nextSib)->sibling_above = xnestWindow(pWin); | |
140 | xnestWindowPriv(pWin)->bounding_shape = RegionCreate(NULL, 1); | |
141 | xnestWindowPriv(pWin)->clip_shape = RegionCreate(NULL, 1); | |
142 | ||
143 | if (!pWin->parent) /* only the root window will have the right colormap */ | |
144 | xnestSetInstalledColormapWindows(pWin->drawable.pScreen); | |
145 | ||
146 | return True; | |
147 | } | |
148 | ||
149 | Bool | |
150 | xnestDestroyWindow(WindowPtr pWin) | |
151 | { | |
152 | if (pWin->nextSib) | |
153 | xnestWindowPriv(pWin->nextSib)->sibling_above = | |
154 | xnestWindowPriv(pWin)->sibling_above; | |
155 | RegionDestroy(xnestWindowPriv(pWin)->bounding_shape); | |
156 | RegionDestroy(xnestWindowPriv(pWin)->clip_shape); | |
157 | XDestroyWindow(xnestDisplay, xnestWindow(pWin)); | |
158 | xnestWindowPriv(pWin)->window = None; | |
159 | ||
160 | if (pWin->optional && pWin->optional->colormap && pWin->parent) | |
161 | xnestSetInstalledColormapWindows(pWin->drawable.pScreen); | |
162 | ||
163 | return True; | |
164 | } | |
165 | ||
166 | Bool | |
167 | xnestPositionWindow(WindowPtr pWin, int x, int y) | |
168 | { | |
169 | xnestConfigureWindow(pWin, | |
170 | CWParent | | |
171 | CWX | CWY | CWWidth | CWHeight | CWBorderWidth); | |
172 | ||
173 | return True; | |
174 | } | |
175 | ||
176 | void | |
177 | xnestConfigureWindow(WindowPtr pWin, unsigned int mask) | |
178 | { | |
179 | unsigned int valuemask; | |
180 | XWindowChanges values; | |
181 | ||
182 | if (mask & CWParent && | |
183 | xnestWindowPriv(pWin)->parent != xnestWindowParent(pWin)) { | |
184 | XReparentWindow(xnestDisplay, xnestWindow(pWin), | |
185 | xnestWindowParent(pWin), | |
186 | pWin->origin.x - wBorderWidth(pWin), | |
187 | pWin->origin.y - wBorderWidth(pWin)); | |
188 | xnestWindowPriv(pWin)->parent = xnestWindowParent(pWin); | |
189 | xnestWindowPriv(pWin)->x = pWin->origin.x - wBorderWidth(pWin); | |
190 | xnestWindowPriv(pWin)->y = pWin->origin.y - wBorderWidth(pWin); | |
191 | xnestWindowPriv(pWin)->sibling_above = None; | |
192 | if (pWin->nextSib) | |
193 | xnestWindowPriv(pWin->nextSib)->sibling_above = xnestWindow(pWin); | |
194 | } | |
195 | ||
196 | valuemask = 0; | |
197 | ||
198 | if (mask & CWX && | |
199 | xnestWindowPriv(pWin)->x != pWin->origin.x - wBorderWidth(pWin)) { | |
200 | valuemask |= CWX; | |
201 | values.x = | |
202 | xnestWindowPriv(pWin)->x = pWin->origin.x - wBorderWidth(pWin); | |
203 | } | |
204 | ||
205 | if (mask & CWY && | |
206 | xnestWindowPriv(pWin)->y != pWin->origin.y - wBorderWidth(pWin)) { | |
207 | valuemask |= CWY; | |
208 | values.y = | |
209 | xnestWindowPriv(pWin)->y = pWin->origin.y - wBorderWidth(pWin); | |
210 | } | |
211 | ||
212 | if (mask & CWWidth && xnestWindowPriv(pWin)->width != pWin->drawable.width) { | |
213 | valuemask |= CWWidth; | |
214 | values.width = xnestWindowPriv(pWin)->width = pWin->drawable.width; | |
215 | } | |
216 | ||
217 | if (mask & CWHeight && | |
218 | xnestWindowPriv(pWin)->height != pWin->drawable.height) { | |
219 | valuemask |= CWHeight; | |
220 | values.height = xnestWindowPriv(pWin)->height = pWin->drawable.height; | |
221 | } | |
222 | ||
223 | if (mask & CWBorderWidth && | |
224 | xnestWindowPriv(pWin)->border_width != pWin->borderWidth) { | |
225 | valuemask |= CWBorderWidth; | |
226 | values.border_width = | |
227 | xnestWindowPriv(pWin)->border_width = pWin->borderWidth; | |
228 | } | |
229 | ||
230 | if (valuemask) | |
231 | XConfigureWindow(xnestDisplay, xnestWindow(pWin), valuemask, &values); | |
232 | ||
233 | if (mask & CWStackingOrder && | |
234 | xnestWindowPriv(pWin)->sibling_above != xnestWindowSiblingAbove(pWin)) { | |
235 | WindowPtr pSib; | |
236 | ||
237 | /* find the top sibling */ | |
238 | for (pSib = pWin; pSib->prevSib != NullWindow; pSib = pSib->prevSib); | |
239 | ||
240 | /* the top sibling */ | |
241 | valuemask = CWStackMode; | |
242 | values.stack_mode = Above; | |
243 | XConfigureWindow(xnestDisplay, xnestWindow(pSib), valuemask, &values); | |
244 | xnestWindowPriv(pSib)->sibling_above = None; | |
245 | ||
246 | /* the rest of siblings */ | |
247 | for (pSib = pSib->nextSib; pSib != NullWindow; pSib = pSib->nextSib) { | |
248 | valuemask = CWSibling | CWStackMode; | |
249 | values.sibling = xnestWindowSiblingAbove(pSib); | |
250 | values.stack_mode = Below; | |
251 | XConfigureWindow(xnestDisplay, xnestWindow(pSib), valuemask, | |
252 | &values); | |
253 | xnestWindowPriv(pSib)->sibling_above = | |
254 | xnestWindowSiblingAbove(pSib); | |
255 | } | |
256 | } | |
257 | } | |
258 | ||
259 | Bool | |
260 | xnestChangeWindowAttributes(WindowPtr pWin, unsigned long mask) | |
261 | { | |
262 | XSetWindowAttributes attributes; | |
263 | ||
264 | if (mask & CWBackPixmap) | |
265 | switch (pWin->backgroundState) { | |
266 | case None: | |
267 | attributes.background_pixmap = None; | |
268 | break; | |
269 | ||
270 | case ParentRelative: | |
271 | attributes.background_pixmap = ParentRelative; | |
272 | break; | |
273 | ||
274 | case BackgroundPixmap: | |
275 | attributes.background_pixmap = xnestPixmap(pWin->background.pixmap); | |
276 | break; | |
277 | ||
278 | case BackgroundPixel: | |
279 | mask &= ~CWBackPixmap; | |
280 | break; | |
281 | } | |
282 | ||
283 | if (mask & CWBackPixel) { | |
284 | if (pWin->backgroundState == BackgroundPixel) | |
285 | attributes.background_pixel = xnestPixel(pWin->background.pixel); | |
286 | else | |
287 | mask &= ~CWBackPixel; | |
288 | } | |
289 | ||
290 | if (mask & CWBorderPixmap) { | |
291 | if (pWin->borderIsPixel) | |
292 | mask &= ~CWBorderPixmap; | |
293 | else | |
294 | attributes.border_pixmap = xnestPixmap(pWin->border.pixmap); | |
295 | } | |
296 | ||
297 | if (mask & CWBorderPixel) { | |
298 | if (pWin->borderIsPixel) | |
299 | attributes.border_pixel = xnestPixel(pWin->border.pixel); | |
300 | else | |
301 | mask &= ~CWBorderPixel; | |
302 | } | |
303 | ||
304 | if (mask & CWBitGravity) | |
305 | attributes.bit_gravity = pWin->bitGravity; | |
306 | ||
307 | if (mask & CWWinGravity) /* dix does this for us */ | |
308 | mask &= ~CWWinGravity; | |
309 | ||
310 | if (mask & CWBackingStore) /* this is really not useful */ | |
311 | mask &= ~CWBackingStore; | |
312 | ||
313 | if (mask & CWBackingPlanes) /* this is really not useful */ | |
314 | mask &= ~CWBackingPlanes; | |
315 | ||
316 | if (mask & CWBackingPixel) /* this is really not useful */ | |
317 | mask &= ~CWBackingPixel; | |
318 | ||
319 | if (mask & CWOverrideRedirect) | |
320 | attributes.override_redirect = pWin->overrideRedirect; | |
321 | ||
322 | if (mask & CWSaveUnder) /* this is really not useful */ | |
323 | mask &= ~CWSaveUnder; | |
324 | ||
325 | if (mask & CWEventMask) /* events are handled elsewhere */ | |
326 | mask &= ~CWEventMask; | |
327 | ||
328 | if (mask & CWDontPropagate) /* events are handled elsewhere */ | |
329 | mask &= ~CWDontPropagate; | |
330 | ||
331 | if (mask & CWColormap) { | |
332 | ColormapPtr pCmap; | |
333 | ||
334 | dixLookupResourceByType((pointer *) &pCmap, wColormap(pWin), | |
335 | RT_COLORMAP, serverClient, DixUseAccess); | |
336 | ||
337 | attributes.colormap = xnestColormap(pCmap); | |
338 | ||
339 | xnestSetInstalledColormapWindows(pWin->drawable.pScreen); | |
340 | } | |
341 | ||
342 | if (mask & CWCursor) /* this is handeled in cursor code */ | |
343 | mask &= ~CWCursor; | |
344 | ||
345 | if (mask) | |
346 | XChangeWindowAttributes(xnestDisplay, xnestWindow(pWin), | |
347 | mask, &attributes); | |
348 | ||
349 | return True; | |
350 | } | |
351 | ||
352 | Bool | |
353 | xnestRealizeWindow(WindowPtr pWin) | |
354 | { | |
355 | xnestConfigureWindow(pWin, CWStackingOrder); | |
356 | xnestShapeWindow(pWin); | |
357 | XMapWindow(xnestDisplay, xnestWindow(pWin)); | |
358 | ||
359 | return True; | |
360 | } | |
361 | ||
362 | Bool | |
363 | xnestUnrealizeWindow(WindowPtr pWin) | |
364 | { | |
365 | XUnmapWindow(xnestDisplay, xnestWindow(pWin)); | |
366 | ||
367 | return True; | |
368 | } | |
369 | ||
370 | void | |
371 | xnestCopyWindow(WindowPtr pWin, xPoint oldOrigin, RegionPtr oldRegion) | |
372 | { | |
373 | } | |
374 | ||
375 | void | |
376 | xnestClipNotify(WindowPtr pWin, int dx, int dy) | |
377 | { | |
378 | xnestConfigureWindow(pWin, CWStackingOrder); | |
379 | xnestShapeWindow(pWin); | |
380 | } | |
381 | ||
382 | static Bool | |
383 | xnestWindowExposurePredicate(Display * display, XEvent * event, XPointer ptr) | |
384 | { | |
385 | return (event->type == Expose && event->xexpose.window == *(Window *) ptr); | |
386 | } | |
387 | ||
388 | void | |
389 | xnestWindowExposures(WindowPtr pWin, RegionPtr pRgn, RegionPtr other_exposed) | |
390 | { | |
391 | XEvent event; | |
392 | Window window; | |
393 | BoxRec Box; | |
394 | ||
395 | XSync(xnestDisplay, False); | |
396 | ||
397 | window = xnestWindow(pWin); | |
398 | ||
399 | while (XCheckIfEvent(xnestDisplay, &event, | |
400 | xnestWindowExposurePredicate, (char *) &window)) { | |
401 | ||
402 | Box.x1 = pWin->drawable.x + wBorderWidth(pWin) + event.xexpose.x; | |
403 | Box.y1 = pWin->drawable.y + wBorderWidth(pWin) + event.xexpose.y; | |
404 | Box.x2 = Box.x1 + event.xexpose.width; | |
405 | Box.y2 = Box.y1 + event.xexpose.height; | |
406 | ||
407 | event.xexpose.type = ProcessedExpose; | |
408 | ||
409 | if (RegionContainsRect(pRgn, &Box) != rgnIN) | |
410 | XPutBackEvent(xnestDisplay, &event); | |
411 | } | |
412 | ||
413 | miWindowExposures(pWin, pRgn, other_exposed); | |
414 | } | |
415 | ||
416 | void | |
417 | xnestSetShape(WindowPtr pWin, int kind) | |
418 | { | |
419 | xnestShapeWindow(pWin); | |
420 | miSetShape(pWin, kind); | |
421 | } | |
422 | ||
423 | static Bool | |
424 | xnestRegionEqual(RegionPtr pReg1, RegionPtr pReg2) | |
425 | { | |
426 | BoxPtr pBox1, pBox2; | |
427 | unsigned int n1, n2; | |
428 | ||
429 | if (pReg1 == pReg2) | |
430 | return True; | |
431 | ||
432 | if (pReg1 == NullRegion || pReg2 == NullRegion) | |
433 | return False; | |
434 | ||
435 | pBox1 = RegionRects(pReg1); | |
436 | n1 = RegionNumRects(pReg1); | |
437 | ||
438 | pBox2 = RegionRects(pReg2); | |
439 | n2 = RegionNumRects(pReg2); | |
440 | ||
441 | if (n1 != n2) | |
442 | return False; | |
443 | ||
444 | if (pBox1 == pBox2) | |
445 | return True; | |
446 | ||
447 | if (memcmp(pBox1, pBox2, n1 * sizeof(BoxRec))) | |
448 | return False; | |
449 | ||
450 | return True; | |
451 | } | |
452 | ||
453 | void | |
454 | xnestShapeWindow(WindowPtr pWin) | |
455 | { | |
456 | Region reg; | |
457 | BoxPtr pBox; | |
458 | XRectangle rect; | |
459 | int i; | |
460 | ||
461 | if (!xnestRegionEqual(xnestWindowPriv(pWin)->bounding_shape, | |
462 | wBoundingShape(pWin))) { | |
463 | ||
464 | if (wBoundingShape(pWin)) { | |
465 | RegionCopy(xnestWindowPriv(pWin)->bounding_shape, | |
466 | wBoundingShape(pWin)); | |
467 | ||
468 | reg = XCreateRegion(); | |
469 | pBox = RegionRects(xnestWindowPriv(pWin)->bounding_shape); | |
470 | for (i = 0; | |
471 | i < RegionNumRects(xnestWindowPriv(pWin)->bounding_shape); | |
472 | i++) { | |
473 | rect.x = pBox[i].x1; | |
474 | rect.y = pBox[i].y1; | |
475 | rect.width = pBox[i].x2 - pBox[i].x1; | |
476 | rect.height = pBox[i].y2 - pBox[i].y1; | |
477 | XUnionRectWithRegion(&rect, reg, reg); | |
478 | } | |
479 | XShapeCombineRegion(xnestDisplay, xnestWindow(pWin), | |
480 | ShapeBounding, 0, 0, reg, ShapeSet); | |
481 | XDestroyRegion(reg); | |
482 | } | |
483 | else { | |
484 | RegionEmpty(xnestWindowPriv(pWin)->bounding_shape); | |
485 | ||
486 | XShapeCombineMask(xnestDisplay, xnestWindow(pWin), | |
487 | ShapeBounding, 0, 0, None, ShapeSet); | |
488 | } | |
489 | } | |
490 | ||
491 | if (!xnestRegionEqual(xnestWindowPriv(pWin)->clip_shape, wClipShape(pWin))) { | |
492 | ||
493 | if (wClipShape(pWin)) { | |
494 | RegionCopy(xnestWindowPriv(pWin)->clip_shape, wClipShape(pWin)); | |
495 | ||
496 | reg = XCreateRegion(); | |
497 | pBox = RegionRects(xnestWindowPriv(pWin)->clip_shape); | |
498 | for (i = 0; | |
499 | i < RegionNumRects(xnestWindowPriv(pWin)->clip_shape); i++) { | |
500 | rect.x = pBox[i].x1; | |
501 | rect.y = pBox[i].y1; | |
502 | rect.width = pBox[i].x2 - pBox[i].x1; | |
503 | rect.height = pBox[i].y2 - pBox[i].y1; | |
504 | XUnionRectWithRegion(&rect, reg, reg); | |
505 | } | |
506 | XShapeCombineRegion(xnestDisplay, xnestWindow(pWin), | |
507 | ShapeClip, 0, 0, reg, ShapeSet); | |
508 | XDestroyRegion(reg); | |
509 | } | |
510 | else { | |
511 | RegionEmpty(xnestWindowPriv(pWin)->clip_shape); | |
512 | ||
513 | XShapeCombineMask(xnestDisplay, xnestWindow(pWin), | |
514 | ShapeClip, 0, 0, None, ShapeSet); | |
515 | } | |
516 | } | |
517 | } |