Method actionPerformed

src/main/java/gate/swing/JMenuButton.java:47–59

(ActionEvent e)

    addActionListener(new ActionListener() {

      @Override
      public void actionPerformed(ActionEvent e) {
        if(menu != null) menu.setSelected(isSelected());
        if(isSelected()) {
          // show the popup
          Point p = getPopupMenuOrigin();
          popup.show(JMenuButton.this, p.x, p.y);
        }
        else {
          // hide the popup
          popup.setVisible(false);
        }
      }
    });
    
    popup.addPopupMenuListener(new PopupMenuListener(){