minwin-gcc-5-2/libjava/classpath/javax/accessibility/AccessibleKeyBinding.java

/* AccessibleKeyBinding.java -- aids in using keyboard navigation
   Copyright (C) 2002, 2005  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
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this exception to your version of the library, but you are not
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exception statement from your version. */


package javax.accessibility;

/**
 * Objects which have keyboard bindings for mneumonics or shortcuts should
 * implement this interface.  Accessibility software can use the
 * implementations of this interface to aid the user in using the key
 * bindings.
 *
 * <p>The <code>AccessibleContext.getAccessibleKeyBinding()</code> method
 * should return <code>null</code> if an object does not implement this
 * interface.
 *
 * @author Eric Blake (ebb9@email.byu.edu)
 * @see Accessible
 * @see AccessibleContext
 * @see AccessibleContext#getAccessibleKeyBinding()
 * @since 1.2
 * @status updated to 1.4
 */
public interface AccessibleKeyBinding
{
  /**
   * Returns the count of key bindings for this object.
   *
   * @return the 0-based count, or -1 if there are none
   */
  int getAccessibleKeyBindingCount();

  /**
   * Return the numbered key binding, which can then be cast in an
   * implementation dependent way to the appropriate object type. For example,
   * swing uses <code>javax.swing.KeyStroke</code>. This returns null if i
   * is out of bounds.
   *
   * @param i the 0-based index of key bindings
   * @return the key binding
   * @see #getAccessibleKeyBindingCount()
   */
  Object getAccessibleKeyBinding(int i);
} // interface AccessibleKeyBinding