src/share/classes/java/awt/event/HierarchyBoundsListener.java

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   1 /*
   2  * Copyright (c) 1999, 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


  35  * interest).
  36  * The listener object created from that class is then registered with a
  37  * Component using the Component's <code>addHierarchyBoundsListener</code>
  38  * method. When the hierarchy to which the Component belongs changes by
  39  * the resizing or movement of an ancestor, the relevant method in the listener
  40  * object is invoked, and the <code>HierarchyEvent</code> is passed to it.
  41  * <p>
  42  * Hierarchy events are provided for notification purposes ONLY;
  43  * The AWT will automatically handle changes to the hierarchy internally so
  44  * that GUI layout works properly regardless of whether a
  45  * program registers an <code>HierarchyBoundsListener</code> or not.
  46  *
  47  * @author      David Mendenhall
  48  * @see         HierarchyBoundsAdapter
  49  * @see         HierarchyEvent
  50  * @since       1.3
  51  */
  52 public interface HierarchyBoundsListener extends EventListener {
  53     /**
  54      * Called when an ancestor of the source is moved.

  55      */
  56     public void ancestorMoved(HierarchyEvent e);
  57 
  58     /**
  59      * Called when an ancestor of the source is resized.

  60      */
  61     public void ancestorResized(HierarchyEvent e);
  62 }
   1 /*
   2  * Copyright (c) 1999, 2013, 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


  35  * interest).
  36  * The listener object created from that class is then registered with a
  37  * Component using the Component's <code>addHierarchyBoundsListener</code>
  38  * method. When the hierarchy to which the Component belongs changes by
  39  * the resizing or movement of an ancestor, the relevant method in the listener
  40  * object is invoked, and the <code>HierarchyEvent</code> is passed to it.
  41  * <p>
  42  * Hierarchy events are provided for notification purposes ONLY;
  43  * The AWT will automatically handle changes to the hierarchy internally so
  44  * that GUI layout works properly regardless of whether a
  45  * program registers an <code>HierarchyBoundsListener</code> or not.
  46  *
  47  * @author      David Mendenhall
  48  * @see         HierarchyBoundsAdapter
  49  * @see         HierarchyEvent
  50  * @since       1.3
  51  */
  52 public interface HierarchyBoundsListener extends EventListener {
  53     /**
  54      * Called when an ancestor of the source is moved.
  55      * @param e the event to be processed
  56      */
  57     public void ancestorMoved(HierarchyEvent e);
  58 
  59     /**
  60      * Called when an ancestor of the source is resized.
  61      * @param e the event to be processed
  62      */
  63     public void ancestorResized(HierarchyEvent e);
  64 }