protected void buttonClicked(Button btn) {
   if (btn.equals(recordButton)) {
     recording = !recording;
     updateRecordButton();
   }
   if (btn.equals(doneButton)) {
     item.setTitle(commandText.getText());
     if (!item.getTitle().equals("") && item.getKey() != -1) {
       SimpleKeyBindingManager manager =
           (SimpleKeyBindingManager) SpoutClient.getInstance().getKeyBindingManager();
       manager.unregisterShortcut(item);
       manager.registerShortcut(item);
     }
     mc.displayGuiScreen(parent);
     parent.getModel().refresh();
   }
   if (btn.equals(addButton)) {
     editCommand(-1);
   }
   if (btn.equals(editButton)) {
     editCommand(slot.getSelectedRow());
   }
   if (btn.equals(removeButton)) {
     item.removeCommand(slot.getSelectedRow());
     slot.updateItems();
     updateButtons();
   }
 }
 public void updateButtons() {
   editButton.setEnabled(slot.getSelectedRow() != -1);
   removeButton.setEnabled(slot.getSelectedRow() != -1);
 }