4017d31902
over to new system. Need to update documentation and address some remaining vestiges of old system such as CursorRec structure, fb "offman" structure, and FontRec privates.
594 lines
16 KiB
C
594 lines
16 KiB
C
/*
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* Copyright © 2006 Sun Microsystems
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Sun Microsystems not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Sun Microsystems makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* Copyright © 2003 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "compint.h"
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static void
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compReportDamage (DamagePtr pDamage, RegionPtr pRegion, void *closure)
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{
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WindowPtr pWin = (WindowPtr) closure;
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ScreenPtr pScreen = pWin->drawable.pScreen;
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CompScreenPtr cs = GetCompScreen (pScreen);
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CompWindowPtr cw = GetCompWindow (pWin);
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cs->damaged = TRUE;
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cw->damaged = TRUE;
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}
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static void
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compDestroyDamage (DamagePtr pDamage, void *closure)
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{
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WindowPtr pWin = (WindowPtr) closure;
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CompWindowPtr cw = GetCompWindow (pWin);
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cw->damage = 0;
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}
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/*
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* Redirect one window for one client
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*/
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int
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compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
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{
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CompWindowPtr cw = GetCompWindow (pWin);
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CompClientWindowPtr ccw;
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Bool wasMapped = pWin->mapped;
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CompScreenPtr cs = GetCompScreen(pWin->drawable.pScreen);
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if (pWin == cs->pOverlayWin) {
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return Success;
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}
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/*
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* Only one Manual update is allowed
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*/
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if (cw && update == CompositeRedirectManual)
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for (ccw = cw->clients; ccw; ccw = ccw->next)
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if (ccw->update == CompositeRedirectManual)
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return BadAccess;
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/*
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* Allocate per-client per-window structure
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* The client *could* allocate multiple, but while supported,
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* it is not expected to be common
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*/
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ccw = xalloc (sizeof (CompClientWindowRec));
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if (!ccw)
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return BadAlloc;
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ccw->id = FakeClientID (pClient->index);
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ccw->update = update;
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/*
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* Now make sure there's a per-window structure to hang this from
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*/
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if (!cw)
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{
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cw = xalloc (sizeof (CompWindowRec));
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if (!cw)
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{
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xfree (ccw);
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return BadAlloc;
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}
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cw->damage = DamageCreate (compReportDamage,
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compDestroyDamage,
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DamageReportNonEmpty,
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FALSE,
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pWin->drawable.pScreen,
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pWin);
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if (!cw->damage)
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{
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xfree (ccw);
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xfree (cw);
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return BadAlloc;
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}
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if (wasMapped)
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{
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DisableMapUnmapEvents (pWin);
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UnmapWindow (pWin, FALSE);
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EnableMapUnmapEvents (pWin);
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}
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REGION_NULL (pScreen, &cw->borderClip);
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cw->update = CompositeRedirectAutomatic;
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cw->clients = 0;
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cw->oldx = COMP_ORIGIN_INVALID;
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cw->oldy = COMP_ORIGIN_INVALID;
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cw->damageRegistered = FALSE;
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cw->damaged = FALSE;
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dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, cw);
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}
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ccw->next = cw->clients;
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cw->clients = ccw;
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if (!AddResource (ccw->id, CompositeClientWindowType, pWin))
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return BadAlloc;
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if (ccw->update == CompositeRedirectManual)
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{
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if (cw->damageRegistered)
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{
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DamageUnregister (&pWin->drawable, cw->damage);
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cw->damageRegistered = FALSE;
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}
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cw->update = CompositeRedirectManual;
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}
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if (!compCheckRedirect (pWin))
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{
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FreeResource (ccw->id, RT_NONE);
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return BadAlloc;
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}
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if (wasMapped && !pWin->mapped)
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{
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Bool overrideRedirect = pWin->overrideRedirect;
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pWin->overrideRedirect = TRUE;
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DisableMapUnmapEvents (pWin);
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MapWindow (pWin, pClient);
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EnableMapUnmapEvents (pWin);
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pWin->overrideRedirect = overrideRedirect;
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}
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return Success;
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}
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/*
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* Free one of the per-client per-window resources, clearing
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* redirect and the per-window pointer as appropriate
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*/
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void
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compFreeClientWindow (WindowPtr pWin, XID id)
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{
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CompWindowPtr cw = GetCompWindow (pWin);
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CompClientWindowPtr ccw, *prev;
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Bool wasMapped = pWin->mapped;
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if (!cw)
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return;
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for (prev = &cw->clients; (ccw = *prev); prev = &ccw->next)
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{
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if (ccw->id == id)
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{
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*prev = ccw->next;
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if (ccw->update == CompositeRedirectManual)
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cw->update = CompositeRedirectAutomatic;
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xfree (ccw);
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break;
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}
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}
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if (!cw->clients)
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{
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if (wasMapped)
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{
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DisableMapUnmapEvents (pWin);
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UnmapWindow (pWin, FALSE);
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EnableMapUnmapEvents (pWin);
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}
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if (pWin->redirectDraw != RedirectDrawNone)
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compFreePixmap (pWin);
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if (cw->damage)
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DamageDestroy (cw->damage);
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REGION_UNINIT (pScreen, &cw->borderClip);
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dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, NULL);
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xfree (cw);
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}
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else if (cw->update == CompositeRedirectAutomatic &&
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!cw->damageRegistered && pWin->redirectDraw != RedirectDrawNone)
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{
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DamageRegister (&pWin->drawable, cw->damage);
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cw->damageRegistered = TRUE;
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pWin->redirectDraw = RedirectDrawAutomatic;
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DamageDamageRegion (&pWin->drawable, &pWin->borderSize);
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}
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if (wasMapped && !pWin->mapped)
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{
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Bool overrideRedirect = pWin->overrideRedirect;
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pWin->overrideRedirect = TRUE;
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DisableMapUnmapEvents (pWin);
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MapWindow (pWin, clients[CLIENT_ID(id)]);
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EnableMapUnmapEvents (pWin);
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pWin->overrideRedirect = overrideRedirect;
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}
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}
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/*
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* This is easy, just free the appropriate resource.
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*/
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int
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compUnredirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
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{
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CompWindowPtr cw = GetCompWindow (pWin);
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CompClientWindowPtr ccw;
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if (!cw)
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return BadValue;
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for (ccw = cw->clients; ccw; ccw = ccw->next)
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if (ccw->update == update && CLIENT_ID(ccw->id) == pClient->index)
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{
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FreeResource (ccw->id, RT_NONE);
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return Success;
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}
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return BadValue;
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}
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/*
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* Redirect all subwindows for one client
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*/
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int
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compRedirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update)
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{
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CompSubwindowsPtr csw = GetCompSubwindows (pWin);
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CompClientWindowPtr ccw;
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WindowPtr pChild;
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/*
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* Only one Manual update is allowed
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*/
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if (csw && update == CompositeRedirectManual)
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for (ccw = csw->clients; ccw; ccw = ccw->next)
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if (ccw->update == CompositeRedirectManual)
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return BadAccess;
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/*
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* Allocate per-client per-window structure
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* The client *could* allocate multiple, but while supported,
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* it is not expected to be common
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*/
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ccw = xalloc (sizeof (CompClientWindowRec));
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if (!ccw)
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return BadAlloc;
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ccw->id = FakeClientID (pClient->index);
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ccw->update = update;
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/*
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* Now make sure there's a per-window structure to hang this from
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*/
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if (!csw)
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{
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csw = xalloc (sizeof (CompSubwindowsRec));
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if (!csw)
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{
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xfree (ccw);
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return BadAlloc;
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}
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csw->update = CompositeRedirectAutomatic;
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csw->clients = 0;
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dixSetPrivate(&pWin->devPrivates, CompSubwindowsPrivateKey, csw);
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}
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/*
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* Redirect all existing windows
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*/
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for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib)
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{
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int ret = compRedirectWindow (pClient, pChild, update);
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if (ret != Success)
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{
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for (pChild = pChild->nextSib; pChild; pChild = pChild->nextSib)
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(void) compUnredirectWindow (pClient, pChild, update);
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if (!csw->clients)
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{
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xfree (csw);
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dixSetPrivate(&pWin->devPrivates, CompSubwindowsPrivateKey, 0);
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}
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xfree (ccw);
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return ret;
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}
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}
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/*
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* Hook into subwindows list
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*/
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ccw->next = csw->clients;
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csw->clients = ccw;
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if (!AddResource (ccw->id, CompositeClientSubwindowsType, pWin))
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return BadAlloc;
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if (ccw->update == CompositeRedirectManual)
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{
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csw->update = CompositeRedirectManual;
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/*
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* tell damage extension that damage events for this client are
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* critical output
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*/
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DamageExtSetCritical (pClient, TRUE);
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}
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return Success;
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}
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/*
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* Free one of the per-client per-subwindows resources,
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* which frees one redirect per subwindow
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*/
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void
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compFreeClientSubwindows (WindowPtr pWin, XID id)
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{
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CompSubwindowsPtr csw = GetCompSubwindows (pWin);
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CompClientWindowPtr ccw, *prev;
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WindowPtr pChild;
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if (!csw)
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return;
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for (prev = &csw->clients; (ccw = *prev); prev = &ccw->next)
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{
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if (ccw->id == id)
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{
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ClientPtr pClient = clients[CLIENT_ID(id)];
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*prev = ccw->next;
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if (ccw->update == CompositeRedirectManual)
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{
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/*
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* tell damage extension that damage events for this client are
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* critical output
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*/
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DamageExtSetCritical (pClient, FALSE);
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csw->update = CompositeRedirectAutomatic;
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if (pWin->mapped)
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(*pWin->drawable.pScreen->ClearToBackground)(pWin, 0, 0, 0, 0, TRUE);
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}
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/*
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* Unredirect all existing subwindows
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*/
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for (pChild = pWin->lastChild; pChild; pChild = pChild->prevSib)
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(void) compUnredirectWindow (pClient, pChild, ccw->update);
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xfree (ccw);
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break;
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}
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}
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/*
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* Check if all of the per-client records are gone
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*/
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if (!csw->clients)
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{
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dixSetPrivate(&pWin->devPrivates, CompSubwindowsPrivateKey, NULL);
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xfree (csw);
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}
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}
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/*
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* This is easy, just free the appropriate resource.
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*/
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int
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compUnredirectSubwindows (ClientPtr pClient, WindowPtr pWin, int update)
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{
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CompSubwindowsPtr csw = GetCompSubwindows (pWin);
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CompClientWindowPtr ccw;
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if (!csw)
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return BadValue;
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for (ccw = csw->clients; ccw; ccw = ccw->next)
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if (ccw->update == update && CLIENT_ID(ccw->id) == pClient->index)
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{
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FreeResource (ccw->id, RT_NONE);
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return Success;
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}
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return BadValue;
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}
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/*
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* Add redirection information for one subwindow (during reparent)
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*/
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int
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compRedirectOneSubwindow (WindowPtr pParent, WindowPtr pWin)
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{
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CompSubwindowsPtr csw = GetCompSubwindows (pParent);
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CompClientWindowPtr ccw;
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if (!csw)
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return Success;
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for (ccw = csw->clients; ccw; ccw = ccw->next)
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{
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int ret = compRedirectWindow (clients[CLIENT_ID(ccw->id)],
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pWin, ccw->update);
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if (ret != Success)
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return ret;
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}
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return Success;
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}
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/*
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* Remove redirection information for one subwindow (during reparent)
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*/
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int
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compUnredirectOneSubwindow (WindowPtr pParent, WindowPtr pWin)
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{
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CompSubwindowsPtr csw = GetCompSubwindows (pParent);
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CompClientWindowPtr ccw;
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if (!csw)
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return Success;
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for (ccw = csw->clients; ccw; ccw = ccw->next)
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{
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int ret = compUnredirectWindow (clients[CLIENT_ID(ccw->id)],
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pWin, ccw->update);
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if (ret != Success)
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return ret;
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}
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return Success;
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}
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static PixmapPtr
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compNewPixmap (WindowPtr pWin, int x, int y, int w, int h)
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{
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ScreenPtr pScreen = pWin->drawable.pScreen;
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WindowPtr pParent = pWin->parent;
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PixmapPtr pPixmap;
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GCPtr pGC;
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pPixmap = (*pScreen->CreatePixmap) (pScreen, w, h, pWin->drawable.depth);
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if (!pPixmap)
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return 0;
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pPixmap->screen_x = x;
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pPixmap->screen_y = y;
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pGC = GetScratchGC (pWin->drawable.depth, pScreen);
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/*
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* Copy bits from the parent into the new pixmap so that it will
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* have "reasonable" contents in case for background None areas.
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*/
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if (pGC)
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{
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XID val = IncludeInferiors;
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ValidateGC(&pPixmap->drawable, pGC);
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dixChangeGC (serverClient, pGC, GCSubwindowMode, &val, NULL);
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(*pGC->ops->CopyArea) (&pParent->drawable,
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&pPixmap->drawable,
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pGC,
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x - pParent->drawable.x,
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y - pParent->drawable.y,
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w, h, 0, 0);
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FreeScratchGC (pGC);
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}
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return pPixmap;
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}
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Bool
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compAllocPixmap (WindowPtr pWin)
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{
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int bw = (int) pWin->borderWidth;
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int x = pWin->drawable.x - bw;
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int y = pWin->drawable.y - bw;
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int w = pWin->drawable.width + (bw << 1);
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int h = pWin->drawable.height + (bw << 1);
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PixmapPtr pPixmap = compNewPixmap (pWin, x, y, w, h);
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CompWindowPtr cw = GetCompWindow (pWin);
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if (!pPixmap)
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return FALSE;
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if (cw->update == CompositeRedirectAutomatic)
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pWin->redirectDraw = RedirectDrawAutomatic;
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else
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pWin->redirectDraw = RedirectDrawManual;
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compSetPixmap (pWin, pPixmap);
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cw->oldx = COMP_ORIGIN_INVALID;
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cw->oldy = COMP_ORIGIN_INVALID;
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cw->damageRegistered = FALSE;
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if (cw->update == CompositeRedirectAutomatic)
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{
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DamageRegister (&pWin->drawable, cw->damage);
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cw->damageRegistered = TRUE;
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}
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return TRUE;
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}
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void
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compFreePixmap (WindowPtr pWin)
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{
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ScreenPtr pScreen = pWin->drawable.pScreen;
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PixmapPtr pRedirectPixmap, pParentPixmap;
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CompWindowPtr cw = GetCompWindow (pWin);
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if (cw->damageRegistered)
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{
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DamageUnregister (&pWin->drawable, cw->damage);
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cw->damageRegistered = FALSE;
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DamageEmpty (cw->damage);
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}
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/*
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* Move the parent-constrained border clip region back into
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* the window so that ValidateTree will handle the unmap
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* case correctly. Unmap adds the window borderClip to the
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* parent exposed area; regions beyond the parent cause crashes
|
|
*/
|
|
REGION_COPY (pScreen, &pWin->borderClip, &cw->borderClip);
|
|
pRedirectPixmap = (*pScreen->GetWindowPixmap) (pWin);
|
|
pParentPixmap = (*pScreen->GetWindowPixmap) (pWin->parent);
|
|
pWin->redirectDraw = RedirectDrawNone;
|
|
compSetPixmap (pWin, pParentPixmap);
|
|
(*pScreen->DestroyPixmap) (pRedirectPixmap);
|
|
}
|
|
|
|
/*
|
|
* 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;
|
|
}
|