Here you can find the source of requestComponentFocus(final Window win, final JComponent comp)
| Parameter | Description |
|---|---|
| win | the parent window |
| comp | the component to focus in the window |
public static void requestComponentFocus(final Window win, final JComponent comp)
//package com.java2s;
/*// w w w .j av a 2s .c o m
* WbSwingUtilities.java
*
* This file is part of SQL Workbench/J, http://www.sql-workbench.net
*
* Copyright 2002-2017, Thomas Kellerer
*
* Licensed under a modified Apache License, Version 2.0
* that restricts the use for certain governments.
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at.
*
* http://sql-workbench.net/manual/license.html
*
* 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 java.awt.EventQueue;
import java.awt.Window;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JComponent;
public class Main {
/**
* Registers a (temporary) WindowListener with the window that will activate the passed component
* as soon as the windowActivated() event is received.
*
* @param win the parent window
* @param comp the component to focus in the window
*
*/
public static void requestComponentFocus(final Window win, final JComponent comp)
{
win.addWindowListener(new WindowAdapter()
{
@Override
public void windowActivated(WindowEvent evt)
{
EventQueue.invokeLater(comp::requestFocus);
win.removeWindowListener(this);
}
});
}
/**
* A simple wrapper around EventQueue.invokeLater().
*
* @param runner the task to execute
*/
public static void invokeLater(Runnable runner) {
EventQueue.invokeLater(runner);
}
}