docs: public int getMaxComponentWidth()
      {
          int maxWidth = 0;
          for (int index = 0; ; index++)
          {
              Component component = this.getComponent(index);
              if (component == null)
                  break;
              if (component instanceof JTableHeader)
                  continue;   // Don't use this one
              if (component instanceof JPanel)
              {   // Use the rightmost child for the width
                  for (int i = 0; i < ((JPanel)component).getComponentCount(); i++)
                  {
                      Component childComponent = ((JPanel)component).getComponent(i);
                      int farthestWidth = childComponent.getX() + ((JPanel)component).getComponent(i).getWidth();
                      maxWidth = Math.max(maxWidth, Math.min(component.getWidth(), farthestWidth));
                  }
              }
              else
                  maxWidth = Math.max(maxWidth, component.getWidth());
          }
          return maxWidth;
      }