Source Code : Show a popup menu (wait for it to close)

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Show a popup menu (wait for it to close)

/*
 * Menu example snippet: show a popup menu (wait for it to close)
 *
 * 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.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;

public class Snippet131 {
  public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.addListener(SWT.MenuDetect, new Listener() {
      public void handleEvent(Event event) {
        Menu menu = new Menu(shell, SWT.POP_UP);
        MenuItem item = new MenuItem(menu, SWT.PUSH);
        item.setText("Menu Item");
        item.addListener(SWT.Selection, new Listener() {
          public void handleEvent(Event e) {
            System.out.println("Item Selected");
          }
        });
        menu.setLocation(event.x, event.y);
        menu.setVisible(true);
        while (!menu.isDisposed() && menu.isVisible()) {
          if (!display.readAndDispatch())
            display.sleep();
        }
        menu.dispose();
      }
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

           
       

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