code: protected void displayMessage (ChatMessage message, Graphics2D gfx)
      {
          // get the non-history message type...
          int type = getType(message, false);
          if (type != ChatLogic.IGNORECHAT) {
              // display it now
              displayMessage(message, type, gfx);
          }
      }
docs: Display the specified message now, unless we are to ignore it.