Add TraverseListener to Combo : Combo Event « SWT « Java Tutorial

1. Java Tutorial
2. SWT
3. Combo Event

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.TraverseEvent;
import org.eclipse.swt.events.TraverseListener;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class ComboTraverseListener {

  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new RowLayout());

    Text text = new Text(shell, SWT.SINGLE|SWT.BORDER);
    text.setText("Press TAB");
    
    Combo combo = new Combo(shell, SWT.NONE);
    combo.setItems(new String[] { "Press enter to select", "B-1", "C-1" });

    combo.addTraverseListener(new TraverseListener() {
      public void keyTraversed(TraverseEvent e) {
        System.out.println("keyTraversed");
      }
    });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

17.12.Combo Event
	17.12.1.	Add selection listener to Combo
	17.12.2.	Combo default selection event (Return/Enter key)
	17.12.3.	To track the user's selection (DefaultSelection)
	17.12.4.	Add TraverseListener to Combo
	17.12.5.	Disable Tab key to transfer focus for Combo