001/* Autoscroll.java --
002   Copyright (C) 2002, 2004, 2005  Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
011GNU Classpath is distributed in the hope that it will be useful, but
012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
016You should have received a copy of the GNU General Public License
017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038
039package java.awt.dnd;
040
041import java.awt.Insets;
042import java.awt.Point;
043
044/**
045 * During DnD operations it is possible that a user may wish to drop the
046 * subject of the operation on a region of a scrollable GUI control that
047 * is not currently visible to the user.
048 *
049 * @author Michael Koch (konqueror@gmx.de)
050 * @since 1.2
051 * @status updated to 1.4
052 */
053public interface Autoscroll
054{
055  /**
056   * This method returns the Insets describing the autoscrolling region or
057   * border relative to the geometry of the implementing Component
058   */
059  Insets getAutoscrollInsets ();
060
061  /**
062   * Notify the Component to autoscroll
063   *
064   * @param location A Point indicating the location of the cursor that
065   * triggered this operation
066   */
067  void autoscroll (Point location);
068
069} // interface Autoscroll
070