Source Code : Create a menu with radio items

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Create a menu with radio items

/*
 * Menu example snippet: create a menu with radio items
 *
 * For a list of all SWT example snippets see
 * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;

public class Snippet89 {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Menu menu = new Menu(shell, SWT.POP_UP);
    for (int i = 0; i < 4; i++) {
      MenuItem item = new MenuItem(menu, SWT.RADIO);
      item.setText("Item " + i);
      item.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
          MenuItem item = (MenuItem) e.widget;
          if (item.getSelection()) {
            System.out.println(item + " selected");
          } else {
            System.out.println(item + " unselected");
          }
        }
      });
    }
    shell.setMenu(menu);
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

           
       

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