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authorMihai Moldovan <ïonic@ionic.de>2016-04-09 19:40:24 +0000
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2016-05-31 12:11:59 +0200
commit7d2dd2aac913d4735f3c994772050ced6698efc6 (patch)
treef9ee40f888f0fef669d4fbb2c2dbb86bb124f296 /nx-X11/programs/Xserver/composite/compoverlay.c
parentfe3fa5ef382d3475b1a2f62eac85f5b5847b9b5d (diff)
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misc nx-X11/{programs/Xserver/composite,include/extensions}: update to Composite 0.4 - with changes where neccessary and rough edges.
Diffstat (limited to 'nx-X11/programs/Xserver/composite/compoverlay.c')
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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
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+/*
+ * 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);
+}