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/*
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* Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.awt.X11;
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/**
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* This class represents AWT application root window functionality.
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* Object of this class is singleton, all window reference it to have
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* common logical ancestor
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*/
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class XRootWindow extends XBaseWindow {
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private static XRootWindow xawtRootWindow = null;
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static XRootWindow getInstance() {
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XToolkit.awtLock();
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try {
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if (xawtRootWindow == null) {
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xawtRootWindow = new XRootWindow();
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xawtRootWindow.init(xawtRootWindow.getDelayedParams().delete(DELAYED));
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}
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return xawtRootWindow;
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} finally {
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XToolkit.awtUnlock();
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}
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}
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private XRootWindow() {
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super(new XCreateWindowParams(new Object[] { DELAYED, Boolean.TRUE,
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EVENT_MASK, XConstants.StructureNotifyMask }));
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}
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public void postInit(XCreateWindowParams params){
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super.postInit(params);
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setWMClass(getWMClass());
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}
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protected String getWMName() {
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return XToolkit.getAWTAppClassName();
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}
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protected String[] getWMClass() {
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return new String[] {XToolkit.getAWTAppClassName(), XToolkit.getAWTAppClassName()};
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}
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/* Fix 4976517. Return awt_root_shell to XToolkit.c */
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private static long getXRootWindow() {
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return getXAWTRootWindow().getWindow();
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}
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}
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