code: public LienzoPanel setCursor(final Cursor cursor)
      {
          if ((cursor != null) && (cursor != m_active_cursor))
          {
              m_active_cursor = cursor;
  
              // Need to defer this, sometimes, if the browser is busy, etc, changing cursors does not take effect till events are done processing
  
              Scheduler.get().scheduleDeferred(new ScheduledCommand()
              {
                  @Override
                  public void execute()
                  {
                      getElement().getStyle().setCursor(m_active_cursor);
                  }
              });
          }
          return this;
      }
docs: Sets the type of cursor to be used when hovering above the element.
  @param cursor