| … | |
… | |
| 1316 | unsigned int root_pmap_width, root_pmap_height; |
1316 | unsigned int root_pmap_width, root_pmap_height; |
| 1317 | int window_width = target->szHint.width; |
1317 | int window_width = target->szHint.width; |
| 1318 | int window_height = target->szHint.height; |
1318 | int window_height = target->szHint.height; |
| 1319 | int sx, sy; |
1319 | int sx, sy; |
| 1320 | XGCValues gcv; |
1320 | XGCValues gcv; |
|
|
1321 | GC gc; |
| 1321 | |
1322 | |
| 1322 | TIMING_TEST_START (tp); |
1323 | TIMING_TEST_START (tp); |
| 1323 | target->get_window_origin (sx, sy); |
1324 | target->get_window_origin (sx, sy); |
| 1324 | |
1325 | |
| 1325 | /* check if we are outside of the visible part of the virtual screen : */ |
1326 | /* check if we are outside of the visible part of the virtual screen : */ |
| … | |
… | |
| 1339 | root_pixmap = None; |
1340 | root_pixmap = None; |
| 1340 | |
1341 | |
| 1341 | target->allowedxerror = 0; |
1342 | target->allowedxerror = 0; |
| 1342 | } |
1343 | } |
| 1343 | |
1344 | |
|
|
1345 | if (root_pixmap == None) |
|
|
1346 | return 0; |
|
|
1347 | |
| 1344 | Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth); |
1348 | Pixmap tiled_root_pmap = XCreatePixmap (dpy, root, window_width, window_height, root_depth); |
| 1345 | GC gc = NULL; |
|
|
| 1346 | |
1349 | |
| 1347 | if (tiled_root_pmap == None) /* something really bad happened - abort */ |
1350 | if (tiled_root_pmap == None) /* something really bad happened - abort */ |
| 1348 | return 0; |
1351 | return 0; |
| 1349 | |
1352 | |
| 1350 | if (root_pixmap == None) |
|
|
| 1351 | { |
|
|
| 1352 | /* use tricks to obtain the root background image :*/ |
|
|
| 1353 | /* we want to create Overrideredirect window overlapping out window |
|
|
| 1354 | with background type of Parent Relative and then grab it */ |
|
|
| 1355 | XSetWindowAttributes attr; |
|
|
| 1356 | Window src; |
|
|
| 1357 | bool success = false; |
|
|
| 1358 | |
|
|
| 1359 | attr.background_pixmap = ParentRelative; |
|
|
| 1360 | attr.backing_store = Always; |
|
|
| 1361 | attr.event_mask = ExposureMask; |
|
|
| 1362 | attr.override_redirect = True; |
|
|
| 1363 | src = XCreateWindow (dpy, root, sx, sy, window_width, window_height, 0, |
|
|
| 1364 | CopyFromParent, CopyFromParent, CopyFromParent, |
|
|
| 1365 | CWBackPixmap|CWBackingStore|CWOverrideRedirect|CWEventMask, |
|
|
| 1366 | &attr); |
|
|
| 1367 | |
|
|
| 1368 | if (src != None) |
|
|
| 1369 | { |
|
|
| 1370 | XEvent event; |
|
|
| 1371 | int ev_count = 0; |
|
|
| 1372 | XGrabServer (dpy); |
|
|
| 1373 | XMapRaised (dpy, src); |
|
|
| 1374 | XSync (dpy, False); |
|
|
| 1375 | |
|
|
| 1376 | /* XSync should get window where it's properly exposed, |
|
|
| 1377 | * but to be on the safe side - let's check for the actual event to arrive : */ |
|
|
| 1378 | while (XCheckWindowEvent (dpy, src, ExposureMask, &event)) |
|
|
| 1379 | ++ev_count; |
|
|
| 1380 | |
|
|
| 1381 | if (ev_count > 0); |
|
|
| 1382 | { |
|
|
| 1383 | /* hooray! - we can grab the image! */ |
|
|
| 1384 | gc = XCreateGC (dpy, root, 0, NULL); |
|
|
| 1385 | if (gc) |
|
|
| 1386 | { |
|
|
| 1387 | XCopyArea (dpy, src, tiled_root_pmap, gc, 0, 0, window_width, window_height, 0, 0); |
|
|
| 1388 | success = true; |
|
|
| 1389 | } |
|
|
| 1390 | } |
|
|
| 1391 | |
|
|
| 1392 | XDestroyWindow (dpy, src); |
|
|
| 1393 | XUngrabServer (dpy); |
|
|
| 1394 | //fprintf (stderr, "%s:%d: ev_count = %d\n", __FUNCTION__, __LINE__, ev_count); |
|
|
| 1395 | } |
|
|
| 1396 | |
|
|
| 1397 | if (!success) |
|
|
| 1398 | { |
|
|
| 1399 | XFreePixmap (dpy, tiled_root_pmap); |
|
|
| 1400 | tiled_root_pmap = None; |
|
|
| 1401 | } |
|
|
| 1402 | else |
|
|
| 1403 | result |= transpPmapTiled; |
|
|
| 1404 | } |
|
|
| 1405 | else |
|
|
| 1406 | { |
|
|
| 1407 | /* straightforward pixmap copy */ |
1353 | /* straightforward pixmap copy */ |
| 1408 | gcv.tile = root_pixmap; |
1354 | gcv.tile = root_pixmap; |
| 1409 | gcv.fill_style = FillTiled; |
1355 | gcv.fill_style = FillTiled; |
| 1410 | |
1356 | |
| 1411 | while (sx < 0) sx += (int)root_width; |
1357 | while (sx < 0) sx += (int)root_width; |
| 1412 | while (sy < 0) sy += (int)root_height; |
1358 | while (sy < 0) sy += (int)root_height; |
| 1413 | |
1359 | |
| 1414 | gcv.ts_x_origin = -sx; |
1360 | gcv.ts_x_origin = -sx; |
| 1415 | gcv.ts_y_origin = -sy; |
1361 | gcv.ts_y_origin = -sy; |
| 1416 | gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); |
1362 | gc = XCreateGC (dpy, root, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); |
| 1417 | |
1363 | |
| 1418 | if (gc) |
1364 | if (gc) |
| 1419 | { |
1365 | { |
| 1420 | XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height); |
1366 | XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height); |
| 1421 | result |= transpPmapTiled; |
1367 | result |= transpPmapTiled; |
| 1422 | } |
1368 | XFreeGC (dpy, gc); |
| 1423 | } |
1369 | } |
| 1424 | TIMING_TEST_PRINT_RESULT (tp); |
1370 | TIMING_TEST_PRINT_RESULT (tp); |
| 1425 | |
1371 | |
| 1426 | if (tiled_root_pmap != None) |
1372 | if (tiled_root_pmap != None) |
| 1427 | { |
1373 | { |
| … | |
… | |
| 1445 | pixmap = tiled_root_pmap; |
1391 | pixmap = tiled_root_pmap; |
| 1446 | pmap_width = window_width; |
1392 | pmap_width = window_width; |
| 1447 | pmap_height = window_height; |
1393 | pmap_height = window_height; |
| 1448 | pmap_depth = root_depth; |
1394 | pmap_depth = root_depth; |
| 1449 | } |
1395 | } |
| 1450 | |
|
|
| 1451 | if (gc) |
|
|
| 1452 | XFreeGC (dpy, gc); |
|
|
| 1453 | |
1396 | |
| 1454 | TIMING_TEST_PRINT_RESULT (tp); |
1397 | TIMING_TEST_PRINT_RESULT (tp); |
| 1455 | |
1398 | |
| 1456 | return result; |
1399 | return result; |
| 1457 | } |
1400 | } |
