Java Swing KeyStroke addFocusBackKey(final int button)

Description

Adds the focus back key.

License

Apache License

Parameter

Parameter	Description
button	the button

Declaration

public static void addFocusBackKey(final int button) 

Method Source Code

//package com.java2s;
/*/* w  w  w.  j a v a2 s. c o m*/
 * Copyright 2002-2016 Jalal Kiswani.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.awt.KeyboardFocusManager;

import java.util.HashSet;

import java.util.Set;

import javax.swing.KeyStroke;

public class Main {
    /**
     * Adds the focus back key.
     *
     * @param button
     *            the button
     */
    public static void addFocusBackKey(final int button) {
        final KeyboardFocusManager manager = KeyboardFocusManager.getCurrentKeyboardFocusManager();
        final Set<?> oldBackKeys = manager
                .getDefaultFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS);
        final Set<KeyStroke> backwordKeys = new HashSet(oldBackKeys);
        backwordKeys.add(KeyStroke.getKeyStroke(button, 0));
        manager.setDefaultFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, backwordKeys);
    }
}

Related

1. addButtonClickKeystroke(final AbstractButton b, KeyStroke ks, Object key)
2. addFocusTraversalKey(final JComponent target, final int keyCode, final int modifiers, final int id)
3. addHotKey(JComponent pane, Action action, KeyStroke key)
4. addHotKey(JComponent pane, Action action, KeyStroke key)
5. addKeyBinding(JComponent comp, KeyStroke key, String id, Action action)