/* * Make sure the pixmap is the right size and offset. Allocate a new * pixmap to change size, adjust origin to change offset, leaving the * old pixmap in cw->pOldPixmap so bits can be recovered */ Bool compReallocPixmap (WindowPtr pWin, int draw_x, int draw_y, unsigned int w, unsigned int h, int bw) { ScreenPtr pScreen = pWin->drawable.pScreen; PixmapPtr pOld = (*pScreen->GetWindowPixmap) (pWin); PixmapPtr pNew; CompWindowPtr cw = GetCompWindow (pWin); int pix_x, pix_y; int pix_w, pix_h; assert (cw && pWin->redirectDraw != RedirectDrawNone); cw->oldx = pOld->screen_x; cw->oldy = pOld->screen_y; pix_x = draw_x - bw; pix_y = draw_y - bw; pix_w = w + (bw << 1); pix_h = h + (bw << 1); if (pix_w != pOld->drawable.width || pix_h != pOld->drawable.height) { pNew = compNewPixmap (pWin, pix_x, pix_y, pix_w, pix_h); if (!pNew) return FALSE; cw->pOldPixmap = pOld; compSetPixmap (pWin, pNew); } else { pNew = pOld; cw->pOldPixmap = 0; } pNew->screen_x = pix_x; pNew->screen_y = pix_y; return TRUE; }
void compFreePixmap (WindowPtr pWin) { ScreenPtr pScreen = pWin->drawable.pScreen; PixmapPtr pRedirectPixmap, pParentPixmap; CompWindowPtr cw = GetCompWindow (pWin); if (cw->damageRegistered) { DamageUnregister (&pWin->drawable, cw->damage); cw->damageRegistered = FALSE; DamageEmpty (cw->damage); } /* * Move the parent-constrained border clip region back into * the window so that ValidateTree will handle the unmap * case correctly. Unmap adds the window borderClip to the * parent exposed area; regions beyond the parent cause crashes */ RegionCopy(&pWin->borderClip, &cw->borderClip); pRedirectPixmap = (*pScreen->GetWindowPixmap) (pWin); pParentPixmap = (*pScreen->GetWindowPixmap) (pWin->parent); pWin->redirectDraw = RedirectDrawNone; compSetPixmap (pWin, pParentPixmap); (*pScreen->DestroyPixmap) (pRedirectPixmap); }
static int ProcCompositeNameWindowPixmap (ClientPtr client) { WindowPtr pWin; CompWindowPtr cw; PixmapPtr pPixmap; REQUEST(xCompositeNameWindowPixmapReq); REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq); pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW); if (!pWin) { client->errorValue = stuff->window; return BadWindow; } LEGAL_NEW_RESOURCE (stuff->pixmap, client); cw = GetCompWindow (pWin); if (!cw) return BadMatch; pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin); if (!pPixmap) return BadMatch; ++pPixmap->refcnt; if (!AddResource (stuff->pixmap, RT_PIXMAP, (pointer) pPixmap)) return BadAlloc; return(client->noClientException); }
Bool compAllocPixmap (WindowPtr pWin) { int bw = (int) pWin->borderWidth; int x = pWin->drawable.x - bw; int y = pWin->drawable.y - bw; int w = pWin->drawable.width + (bw << 1); int h = pWin->drawable.height + (bw << 1); PixmapPtr pPixmap = compNewPixmap (pWin, x, y, w, h); CompWindowPtr cw = GetCompWindow (pWin); if (!pPixmap) return FALSE; if (cw->update == CompositeRedirectAutomatic) pWin->redirectDraw = RedirectDrawAutomatic; else pWin->redirectDraw = RedirectDrawManual; compSetPixmap (pWin, pPixmap); cw->oldx = COMP_ORIGIN_INVALID; cw->oldy = COMP_ORIGIN_INVALID; cw->damageRegistered = FALSE; if (cw->update == CompositeRedirectAutomatic) { DamageRegister (&pWin->drawable, cw->damage); cw->damageRegistered = TRUE; } return TRUE; }
static int ProcCompositeCreateRegionFromBorderClip (ClientPtr client) { WindowPtr pWin; CompWindowPtr cw; RegionPtr pBorderClip, pRegion; REQUEST(xCompositeCreateRegionFromBorderClipReq); REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq); pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW); if (!pWin) { client->errorValue = stuff->window; return BadWindow; } LEGAL_NEW_RESOURCE (stuff->region, client); cw = GetCompWindow (pWin); if (cw) pBorderClip = &cw->borderClip; else pBorderClip = &pWin->borderClip; pRegion = XFixesRegionCopy (pBorderClip); if (!pRegion) return BadAlloc; REGION_TRANSLATE (pScreen, pRegion, -pWin->drawable.x, -pWin->drawable.y); if (!AddResource (stuff->region, RegionResType, (pointer) pRegion)) return BadAlloc; return(client->noClientException); }
/* * Free one of the per-client per-window resources, clearing * redirect and the per-window pointer as appropriate */ void compFreeClientWindow (WindowPtr pWin, XID id) { ScreenPtr pScreen = pWin->drawable.pScreen; CompWindowPtr cw = GetCompWindow (pWin); CompClientWindowPtr ccw, *prev; Bool anyMarked = FALSE; WindowPtr pLayerWin; PixmapPtr pPixmap = NULL; if (!cw) return; for (prev = &cw->clients; (ccw = *prev); prev = &ccw->next) { if (ccw->id == id) { *prev = ccw->next; if (ccw->update == CompositeRedirectManual) cw->update = CompositeRedirectAutomatic; free(ccw); break; } } if (!cw->clients) { anyMarked = compMarkWindows (pWin, &pLayerWin); if (pWin->redirectDraw != RedirectDrawNone) { pPixmap = (*pScreen->GetWindowPixmap) (pWin); compSetParentPixmap (pWin); } if (cw->damage) DamageDestroy (cw->damage); RegionUninit(&cw->borderClip); dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, NULL); free(cw); } else if (cw->update == CompositeRedirectAutomatic && !cw->damageRegistered && pWin->redirectDraw != RedirectDrawNone) { anyMarked = compMarkWindows (pWin, &pLayerWin); DamageRegister (&pWin->drawable, cw->damage); cw->damageRegistered = TRUE; pWin->redirectDraw = RedirectDrawAutomatic; DamageDamageRegion(&pWin->drawable, &pWin->borderSize); } if (anyMarked) compHandleMarkedWindows (pWin, pLayerWin); if (pPixmap) { compRestoreWindow (pWin, pPixmap); (*pScreen->DestroyPixmap) (pPixmap); } }
static void compDestroyDamage (DamagePtr pDamage, void *closure) { WindowPtr pWin = (WindowPtr) closure; CompWindowPtr cw = GetCompWindow (pWin); cw->damage = 0; }
/* * Free one of the per-client per-window resources, clearing * redirect and the per-window pointer as appropriate */ void compFreeClientWindow (WindowPtr pWin, XID id) { CompWindowPtr cw = GetCompWindow (pWin); CompClientWindowPtr ccw, *prev; Bool wasMapped = pWin->mapped; if (!cw) return; for (prev = &cw->clients; (ccw = *prev); prev = &ccw->next) { if (ccw->id == id) { *prev = ccw->next; if (ccw->update == CompositeRedirectManual) cw->update = CompositeRedirectAutomatic; free(ccw); break; } } if (!cw->clients) { if (wasMapped) { DisableMapUnmapEvents (pWin); UnmapWindow (pWin, FALSE); EnableMapUnmapEvents (pWin); } if (pWin->redirectDraw != RedirectDrawNone) compFreePixmap (pWin); if (cw->damage) DamageDestroy (cw->damage); RegionUninit(&cw->borderClip); dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, NULL); free(cw); } else if (cw->update == CompositeRedirectAutomatic && !cw->damageRegistered && pWin->redirectDraw != RedirectDrawNone) { DamageRegister (&pWin->drawable, cw->damage); cw->damageRegistered = TRUE; pWin->redirectDraw = RedirectDrawAutomatic; DamageRegionAppend(&pWin->drawable, &pWin->borderSize); } if (wasMapped && !pWin->mapped) { Bool overrideRedirect = pWin->overrideRedirect; pWin->overrideRedirect = TRUE; DisableMapUnmapEvents (pWin); MapWindow (pWin, clients[CLIENT_ID(id)]); EnableMapUnmapEvents (pWin); pWin->overrideRedirect = overrideRedirect; } }
static void compReportDamage (DamagePtr pDamage, RegionPtr pRegion, void *closure) { WindowPtr pWin = (WindowPtr) closure; ScreenPtr pScreen = pWin->drawable.pScreen; CompScreenPtr cs = GetCompScreen (pScreen); CompWindowPtr cw = GetCompWindow (pWin); cs->damaged = TRUE; cw->damaged = TRUE; }
int compUnredirectWindow(ClientPtr pClient, WindowPtr pWin, int update) { CompWindowPtr cw = GetCompWindow(pWin); CompClientWindowPtr ccw; if (!cw) return BadValue; for (ccw = cw->clients; ccw; ccw = ccw->next) if (ccw->update == update && CLIENT_ID(ccw->id) == pClient->index) { FreeResource(ccw->id, RT_NONE); return Success; } return BadValue; }
static void compReportDamage(DamagePtr pDamage, RegionPtr pRegion, void *closure) { WindowPtr pWin = (WindowPtr) closure; ScreenPtr pScreen = pWin->drawable.pScreen; CompScreenPtr cs = GetCompScreen(pScreen); CompWindowPtr cw = GetCompWindow(pWin); if (!cs->BlockHandler) { cs->BlockHandler = pScreen->BlockHandler; pScreen->BlockHandler = compBlockHandler; } cw->damaged = TRUE; /* Mark the ancestors */ pWin = pWin->parent; while (pWin) { if (pWin->damagedDescendants) break; pWin->damagedDescendants = TRUE; pWin = pWin->parent; } }
/* * Redirect one window for one client */ int compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update) { CompWindowPtr cw = GetCompWindow (pWin); CompClientWindowPtr ccw; Bool wasMapped = pWin->mapped; CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen); if (pWin == cs->pOverlayWin) { return Success; } if (!pWin->parent) return BadMatch; /* * Only one Manual update is allowed */ if (cw && update == CompositeRedirectManual) for (ccw = cw->clients; ccw; ccw = ccw->next) if (ccw->update == CompositeRedirectManual) return BadAccess; /* * Allocate per-client per-window structure * The client *could* allocate multiple, but while supported, * it is not expected to be common */ ccw = malloc(sizeof (CompClientWindowRec)); if (!ccw) return BadAlloc; ccw->id = FakeClientID (pClient->index); ccw->update = update; /* * Now make sure there's a per-window structure to hang this from */ if (!cw) { cw = malloc(sizeof (CompWindowRec)); if (!cw) { free(ccw); return BadAlloc; } cw->damage = DamageCreate (compReportDamage, compDestroyDamage, DamageReportNonEmpty, FALSE, pWin->drawable.pScreen, pWin); if (!cw->damage) { free(ccw); free(cw); return BadAlloc; } if (wasMapped) { DisableMapUnmapEvents (pWin); UnmapWindow (pWin, FALSE); EnableMapUnmapEvents (pWin); } RegionNull(&cw->borderClip); cw->borderClipX = 0; cw->borderClipY = 0; cw->update = CompositeRedirectAutomatic; cw->clients = 0; cw->oldx = COMP_ORIGIN_INVALID; cw->oldy = COMP_ORIGIN_INVALID; cw->damageRegistered = FALSE; cw->damaged = FALSE; cw->pOldPixmap = NullPixmap; dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, cw); } ccw->next = cw->clients; cw->clients = ccw; if (!AddResource (ccw->id, CompositeClientWindowType, pWin)) return BadAlloc; if (ccw->update == CompositeRedirectManual) { /* If the window was CompositeRedirectAutomatic, then * unmap the window so that the parent clip list will * be correctly recomputed. */ if (pWin->mapped) { DisableMapUnmapEvents (pWin); UnmapWindow (pWin, FALSE); EnableMapUnmapEvents (pWin); } if (cw->damageRegistered) { DamageUnregister (&pWin->drawable, cw->damage); cw->damageRegistered = FALSE; } cw->update = CompositeRedirectManual; } if (!compCheckRedirect (pWin)) { FreeResource (ccw->id, RT_NONE); return BadAlloc; } if (wasMapped && !pWin->mapped) { Bool overrideRedirect = pWin->overrideRedirect; pWin->overrideRedirect = TRUE; DisableMapUnmapEvents (pWin); MapWindow (pWin, pClient); EnableMapUnmapEvents (pWin); pWin->overrideRedirect = overrideRedirect; } return Success; }
/* * Redirect one window for one client */ int compRedirectWindow(ClientPtr pClient, WindowPtr pWin, int update) { CompWindowPtr cw = GetCompWindow(pWin); CompClientWindowPtr ccw; CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen); WindowPtr pLayerWin = NULL; Bool anyMarked = FALSE; if (pWin == cs->pOverlayWin) { return Success; } if (!pWin->parent) return BadMatch; /* * Only one Manual update is allowed */ if (cw && update == CompositeRedirectManual) for (ccw = cw->clients; ccw; ccw = ccw->next) if (ccw->update == CompositeRedirectManual) return BadAccess; /* * Allocate per-client per-window structure * The client *could* allocate multiple, but while supported, * it is not expected to be common */ ccw = malloc(sizeof(CompClientWindowRec)); if (!ccw) return BadAlloc; ccw->id = FakeClientID(pClient->index); ccw->update = update; /* * Now make sure there's a per-window structure to hang this from */ if (!cw) { cw = malloc(sizeof(CompWindowRec)); if (!cw) { free(ccw); return BadAlloc; } cw->damage = DamageCreate(compReportDamage, compDestroyDamage, DamageReportNonEmpty, FALSE, pWin->drawable.pScreen, pWin); if (!cw->damage) { free(ccw); free(cw); return BadAlloc; } anyMarked = compMarkWindows(pWin, &pLayerWin); RegionNull(&cw->borderClip); cw->update = CompositeRedirectAutomatic; cw->clients = 0; cw->oldx = COMP_ORIGIN_INVALID; cw->oldy = COMP_ORIGIN_INVALID; cw->damageRegistered = FALSE; cw->damaged = FALSE; cw->pOldPixmap = NullPixmap; dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, cw); } ccw->next = cw->clients; cw->clients = ccw; if (!AddResource(ccw->id, CompositeClientWindowType, pWin)) return BadAlloc; if (ccw->update == CompositeRedirectManual) { if (!anyMarked) anyMarked = compMarkWindows(pWin, &pLayerWin); if (cw->damageRegistered) { DamageUnregister(&pWin->drawable, cw->damage); cw->damageRegistered = FALSE; } cw->update = CompositeRedirectManual; } else if (cw->update == CompositeRedirectAutomatic && !cw->damageRegistered) { if (!anyMarked) anyMarked = compMarkWindows(pWin, &pLayerWin); } if (!compCheckRedirect(pWin)) { FreeResource(ccw->id, RT_NONE); return BadAlloc; } if (anyMarked) compHandleMarkedWindows(pWin, pLayerWin); return Success; }