Add One Popup Menu to two different Controls : PopupMenu « SWT « Java Tutorial

1. Java Tutorial
2. SWT
3. PopupMenu

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
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 PopupMenuAddTwoControls {

  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    
    Composite c1 = new Composite(shell, SWT.BORDER);
    c1.setSize(100, 100);
    
    Composite c2 = new Composite(shell, SWT.BORDER);
    c2.setBounds(100, 0, 100, 100);
    
    Menu menu = new Menu(shell, SWT.POP_UP);
    MenuItem item = new MenuItem(menu, SWT.PUSH);
    item.setText("Popup");
    
    c1.setMenu(menu);
    c2.setMenu(menu);
    
    shell.setMenu(menu);
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

17.34.PopupMenu
	17.34.1.	Creating a Popup Menu
	17.34.2.	Show a popup menu (wait for it to close)
	17.34.3.	Popup Radio MenuItem
	17.34.4.	Add One Popup Menu to two different Controls
	17.34.5.	PopupMenu is disposed with the composite
	17.34.6.	PopupMenu is not disposed with the composite