code: public void deactivateCurrentButton() {
  
          if (m_activeButton != null) {
              if (m_activeButton == m_editor.getSelection()) {
                  m_controller.disableInlineEditing(null);
              }
              m_activeButton.setActive(false);
              m_activeButton = null;
          }
          setEditButtonsVisible(false);
      }
docs: De-activates the current button.<p>