1 /*
   2  * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any

 116       * @see #LIVE_DRAG_MODE
 117       * @see #setDragMode
 118       */
 119     public static final int OUTLINE_DRAG_MODE = 1;
 120 
 121     private int dragMode = LIVE_DRAG_MODE;
 122     private boolean dragModeSet = false;
 123     private transient List<JInternalFrame> framesCache;
 124     private boolean componentOrderCheckingEnabled = true;
 125     private boolean componentOrderChanged = false;
 126 
 127     /**
 128      * Creates a new <code>JDesktopPane</code>.
 129      */
 130     public JDesktopPane() {
 131         setUIProperty("opaque", Boolean.TRUE);
 132         setFocusCycleRoot(true);
 133 
 134         setFocusTraversalPolicy(new LayoutFocusTraversalPolicy() {
 135             public Component getDefaultComponent(Container c) {
 136                 JInternalFrame jifArray[] = getAllFrames();
 137                 Component comp = null;
 138                 for (JInternalFrame jif : jifArray) {
 139                     comp = jif.getFocusTraversalPolicy().getDefaultComponent(jif);
 140                     if (comp != null) {
 141                         break;
 142                     }
 143                 }
 144                 return comp;
 145             }
 146         });
 147         updateUI();
 148     }
 149 
 150     /**
 151      * Returns the L&amp;F object that renders this component.
 152      *
 153      * @return the <code>DesktopPaneUI</code> object that
 154      *   renders this component
 155      */
 156     public DesktopPaneUI getUI() {

   1 /*
   2  * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any

 116       * @see #LIVE_DRAG_MODE
 117       * @see #setDragMode
 118       */
 119     public static final int OUTLINE_DRAG_MODE = 1;
 120 
 121     private int dragMode = LIVE_DRAG_MODE;
 122     private boolean dragModeSet = false;
 123     private transient List<JInternalFrame> framesCache;
 124     private boolean componentOrderCheckingEnabled = true;
 125     private boolean componentOrderChanged = false;
 126 
 127     /**
 128      * Creates a new <code>JDesktopPane</code>.
 129      */
 130     public JDesktopPane() {
 131         setUIProperty("opaque", Boolean.TRUE);
 132         setFocusCycleRoot(true);
 133 
 134         setFocusTraversalPolicy(new LayoutFocusTraversalPolicy() {
 135             public Component getDefaultComponent(Container c) {
 136                 JInternalFrame[] jifArray = getAllFrames();
 137                 Component comp = null;
 138                 for (JInternalFrame jif : jifArray) {
 139                     comp = jif.getFocusTraversalPolicy().getDefaultComponent(jif);
 140                     if (comp != null) {
 141                         break;
 142                     }
 143                 }
 144                 return comp;
 145             }
 146         });
 147         updateUI();
 148     }
 149 
 150     /**
 151      * Returns the L&amp;F object that renders this component.
 152      *
 153      * @return the <code>DesktopPaneUI</code> object that
 154      *   renders this component
 155      */
 156     public DesktopPaneUI getUI() {