Java Swing Focus requestFocus(final JComponent comp)

Description

Schedules a requestFocus() call in the AWT event queue.

License

Apache License

Parameter

Parameter	Description
comp	the component to focus

Declaration

public static void requestFocus(final JComponent comp) 

Method Source Code

//package com.java2s;
/*/*from  w  w w .  j  a  va2 s . c  o  m*/
 * WbSwingUtilities.java
 *
 * This file is part of SQL Workbench/J, http://www.sql-workbench.net
 *
 * Copyright 2002-2015, Thomas Kellerer
 *
 * 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.
 *
 * To contact the author please send an email to: support@sql-workbench.net
 *
 */

import javax.swing.*;

import java.awt.*;

public class Main {
    /**
     * Schedules a requestFocus() call in the AWT event queue.
     *
     * @param comp the component to focus
     * @see java.awt.EventQueue#invokeLater(java.lang.Runnable)
     */
    public static void requestFocus(final JComponent comp) {
        if (comp == null)
            return;

        EventQueue.invokeLater(new Runnable() {
            @Override
            public void run() {
                comp.requestFocus();
            }
        });
    }

    /**
     * A simple wrapper around EventQueue.invokeLater().
     *
     * @param runner the task to execute
     */
    public static void invokeLater(Runnable runner) {
        EventQueue.invokeLater(runner);
    }
}

Related

1. paintFocusRect(Graphics g, Rectangle r)
2. postponeFocus(final Component target)
3. removeFocus(JComponent component)
4. requestComponentFocus(final Window win, final JComponent comp)
5. requestComponentFocus(final Window win, final JComponent comp)
6. requestFocus(final JComponent comp)
7. requestFocus(final JComponent component)
8. requestFocus(final Window win, final Component comp)
9. requestFocusInWindow(final Component c)