import org.eclipse.swt.SWT;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.FocusListener;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class TextFieldExample5 {
Display d;
Shell s;
TextFieldExample5() {
d = new Display();
s = new Shell(d);
s.setSize(250, 250);
s.setText("A Text Field Example");
final Text text1 = new Text(s, SWT.WRAP | SWT.BORDER);
text1.setBounds(100, 50, 100, 20);
text1.setTextLimit(5);
text1.setEchoChar('*');
final Text text2 = new Text(s, SWT.SINGLE | SWT.BORDER);
text2.setBounds(100, 75, 100, 20);
text2.setTextLimit(30);
// add a focus listener
FocusListener focusListener = new FocusListener() {
public void focusGained(FocusEvent e) {
}
public void focusLost(FocusEvent e) {
Text t = (Text) e.widget;
if (t == text2) {
if (t.getText().length() < 3) {
t.setFocus();
}
}
}
};
text1.addFocusListener(focusListener);
text2.addFocusListener(focusListener);
s.open();
while (!s.isDisposed()) {
if (!d.readAndDispatch())
d.sleep();
}
d.dispose();
}
public static void main(String[] arg) {
new TextFieldExample5();
}
}