Start moving javax.media.nwi -> javax.media.nativewindow

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/branches/JOGL_2_SANDBOX@1879 232f8b59-042b-4e1e-8c03-345bb8c30851

1 files changed, 75 insertions, 0 deletions

diff --git a/src/nativewindow/classes/com/sun/nwi/impl/x11/X11Util.java b/src/nativewindow/classes/com/sun/nwi/impl/x11/X11Util.java
new file mode 100644
index 000000000..b38dd5959
--- /dev/null
+++ b/src/nativewindow/classes/com/sun/nwi/impl/x11/X11Util.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+package com.sun.nwi.impl.x11;
+
+import javax.media.nwi.*;
+
+import com.sun.nwi.impl.*;
+
+public class X11Util {
+    static {
+        NativeLibLoaderBase.loadNWI("x11");
+    }
+
+    private static final boolean DEBUG = Debug.debug("X11Util");
+
+    private X11Util() {}
+
+    // Display connection for use by visual selection algorithm and by all offscreen surfaces
+    private static long staticDisplay=0;
+    private static boolean xineramaEnabled=false;
+    public static long getDisplayConnection() {
+        if (staticDisplay == 0) {
+            NativeWindowFactory.getDefaultFactory().getToolkitLock().lock();
+            try {
+                staticDisplay = X11Lib.XOpenDisplay(null);
+                if (staticDisplay != 0) {
+                    xineramaEnabled = X11Lib.XineramaEnabled(staticDisplay);
+                }
+            } finally {
+                NativeWindowFactory.getDefaultFactory().getToolkitLock().unlock();
+            }
+            if (staticDisplay == 0) {
+                throw new NWException("Unable to open default display");
+            }
+        }
+        return staticDisplay;
+    }
+
+    public static boolean isXineramaEnabled() {
+        if (staticDisplay == 0) {
+            getDisplayConnection(); // will set xineramaEnabled
+        }
+        return xineramaEnabled;
+    }
+}