Цитата(Microsoft @ 13.2.2011, 10:41  ) | | requestFocus(); не работает. |
работает
| Код |
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
public class Test extends JFrame
implements ActionListener
{
JPanel jp = new JPanel();
public Test()
{
setDefaultCloseOperation(3);
setBounds(100, 100, 400, 300);
JButton jb = new JButton("request focus");
jb.addActionListener(this);
add(jb, "South");
jp.add(new JButton("button 1"));
jp.add(new JComboBox(new Object [] {1, 2, 3}));
jp.add(new JButton("button 2"));
add(jp);
}
public void actionPerformed(ActionEvent e)
{
requestingFocus();
}
private void requestingFocus()
{
Component [] comps = jp.getComponents();
int r = new Random().nextInt(comps.length);
comps [r].requestFocus();
}
public static void main(String [] args)
{
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
new Test().setVisible(true);
}
});
}
}
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