diff options
Diffstat (limited to 'nx-X11/programs/Xserver/composite/compoverlay.c')
| -rw-r--r-- | nx-X11/programs/Xserver/composite/compoverlay.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/composite/compoverlay.c b/nx-X11/programs/Xserver/composite/compoverlay.c new file mode 100644 index 000000000..dfe59f3cf --- /dev/null +++ b/nx-X11/programs/Xserver/composite/compoverlay.c @@ -0,0 +1,178 @@ +/* + * Copyright (c) 2006, Oracle and/or its affiliates. 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" +#ifndef NXAGENT_SERVER +#include "xace.h" +#endif + +#ifdef PANORAMIX +#include "panoramiXsrv.h" +#endif + +/* + * 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; + free(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) malloc(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, (void *) 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; + int w = pScreen->width; + int h = pScreen->height; + int x = 0, y = 0; + + /* Unsupported by current architecture, disabled. */ +#if 0 +#ifdef PANORAMIX + if (!noPanoramiXExtension) { + x = -pScreen->x; + y = -pScreen->y; + w = PanoramiXPixWidth; + h = PanoramiXPixHeight; + } +#endif +#endif + + pWin = cs->pOverlayWin = + CreateWindow(cs->overlayWid, pRoot, x, y, w, h, 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, (void *) 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); +} |