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/*
* Copyright © 2006 Sun Microsystems, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Copyright © 2003 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "compint.h"
#include "xace.h"
/*
* Delete the given overlay client list element from its screen list.
*/
void
compFreeOverlayClient (CompOverlayClientPtr pOcToDel)
{
ScreenPtr pScreen = pOcToDel->pScreen;
CompScreenPtr cs = GetCompScreen (pScreen);
CompOverlayClientPtr *pPrev, pOc;
for (pPrev = &cs->pOverlayClients; (pOc = *pPrev); pPrev = &pOc->pNext)
{
if (pOc == pOcToDel) {
*pPrev = pOc->pNext;
xfree (pOc);
break;
}
}
/* Destroy overlay window when there are no more clients using it */
if (cs->pOverlayClients == NULL)
compDestroyOverlayWindow (pScreen);
}
/*
* Return the client's first overlay client rec from the given screen
*/
CompOverlayClientPtr
compFindOverlayClient (ScreenPtr pScreen, ClientPtr pClient)
{
CompScreenPtr cs = GetCompScreen(pScreen);
CompOverlayClientPtr pOc;
for (pOc = cs->pOverlayClients; pOc != NULL; pOc = pOc->pNext)
if (pOc->pClient == pClient)
return pOc;
return NULL;
}
/*
* Create an overlay client object for the given client
*/
CompOverlayClientPtr
compCreateOverlayClient (ScreenPtr pScreen, ClientPtr pClient)
{
CompScreenPtr cs = GetCompScreen(pScreen);
CompOverlayClientPtr pOc;
pOc = (CompOverlayClientPtr) xalloc(sizeof(CompOverlayClientRec));
if (pOc == NULL)
return NULL;
pOc->pClient = pClient;
pOc->pScreen = pScreen;
pOc->resource = FakeClientID(pClient->index);
pOc->pNext = cs->pOverlayClients;
cs->pOverlayClients = pOc;
/*
* Create a resource for this element so it can be deleted
* when the client goes away.
*/
if (!AddResource (pOc->resource, CompositeClientOverlayType, (pointer) pOc))
return NULL;
return pOc;
}
/*
* Create the overlay window and map it
*/
Bool
compCreateOverlayWindow (ScreenPtr pScreen)
{
CompScreenPtr cs = GetCompScreen(pScreen);
WindowPtr pRoot = WindowTable[pScreen->myNum];
WindowPtr pWin;
XID attrs[] = { None, TRUE }; /* backPixmap, overrideRedirect */
int result;
pWin = cs->pOverlayWin =
CreateWindow (cs->overlayWid, pRoot,
0, 0, pScreen->width, pScreen->height, 0,
InputOutput, CWBackPixmap | CWOverrideRedirect, &attrs[0],
pRoot->drawable.depth,
serverClient, pScreen->rootVisual, &result);
if (pWin == NULL)
return FALSE;
if (!AddResource(pWin->drawable.id, RT_WINDOW, (pointer)pWin))
return FALSE;
MapWindow(pWin, serverClient);
return TRUE;
}
/*
* Destroy the overlay window
*/
void
compDestroyOverlayWindow (ScreenPtr pScreen)
{
CompScreenPtr cs = GetCompScreen(pScreen);
cs->pOverlayWin = NullWindow;
FreeResource (cs->overlayWid, RT_NONE);
}
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