misc nx-X11/{programs/Xserver/composite,include/extensions}: update to Composite 0.4 - with changes where neccessary and rough edges.

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);
+}