Prevent Tab from traversing out of a control : FocusEvent « SWT « Java Tutorial






Prevent Tab from traversing out of a control
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.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class ControlTabTransversing {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new RowLayout());
    
    Text text1 = new Text(shell, SWT.SINGLE|SWT.BORDER);
    text1.setText("Can't Traverse");
    text1.addTraverseListener(new TraverseListener() {
      public void keyTraversed(TraverseEvent e) {
        switch (e.detail) {
        case SWT.TRAVERSE_TAB_NEXT:
        case SWT.TRAVERSE_TAB_PREVIOUS: {
          e.doit = false;
        }
        }
      }
    });
    Text text2 = new Text(shell, SWT.SINGLE|SWT.BORDER);
    text2.setText("Can Traverse");
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}








17.16.FocusEvent
17.16.1.Prevent Tab from traversing out of a controlPrevent Tab from traversing out of a control
17.16.2.Set Tab list for focus transferSet Tab list for focus transfer