1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
package net.tapaal.swinghelpers;
import javax.swing.JComponent;
import javax.swing.SwingUtilities;
import javax.swing.event.AncestorEvent;
import javax.swing.event.AncestorListener;
public class RequestFocusListener implements AncestorListener
{
public RequestFocusListener()
{
}
public void ancestorAdded(final AncestorEvent arg0)
{
//JComponent component = arg0.getComponent();
//component.requestFocusInWindow();
final AncestorListener al= this;
SwingUtilities.invokeLater(() -> {
JComponent component = arg0.getComponent();
component.requestFocusInWindow();
component.removeAncestorListener( al );
});
}
public void ancestorMoved(AncestorEvent arg0) {
// TODO Auto-generated method stub
}
public void ancestorRemoved(AncestorEvent arg0) {
// TODO Auto-generated method stub
}
}
|