Method menuSelected

app/src/processing/app/Editor.java:512–523

(MenuEvent e)

    final JMenu fileMenu = buildFileMenu();
    fileMenu.addMenuListener(new StubMenuListener() {
      @Override
      public void menuSelected(MenuEvent e) {
        List<Component> components = Arrays.asList(fileMenu.getMenuComponents());
        if (!components.contains(sketchbookMenu)) {
          fileMenu.insert(sketchbookMenu, 3);
        }
        if (!components.contains(examplesMenu)) {
          fileMenu.insert(examplesMenu, 4);
        }
        fileMenu.revalidate();
        validate();
      }
    });
    menubar.add(fileMenu);