src/java.desktop/share/classes/javax/swing/plaf/basic/BasicToolTipUI.java

*** 71,80 ****
--- 71,81 ----
      public BasicToolTipUI() {
          super();
      }
  
      public void installUI(JComponent c) {
+         super.installUI(c);
          installDefaults(c);
          installComponents(c);
          installListeners(c);
      }
  
*** 171,181 ****
          View v = (View) c.getClientProperty(BasicHTML.propertyKey);
          if (v != null) {
              v.paint(g, paintTextR);
          } else {
              g.setFont(font);
!             SwingUtilities2.drawString(c, g, tipText, paintTextR.x,
                                    paintTextR.y + metrics.getAscent());
          }
      }
  
      public Dimension getPreferredSize(JComponent c) {
--- 172,182 ----
          View v = (View) c.getClientProperty(BasicHTML.propertyKey);
          if (v != null) {
              v.paint(g, paintTextR);
          } else {
              g.setFont(font);
!             getTextUIDrawing().drawString(c, g, tipText, paintTextR.x,
                                    paintTextR.y + metrics.getAscent());
          }
      }
  
      public Dimension getPreferredSize(JComponent c) {
*** 194,204 ****
              View v = (c != null) ? (View) c.getClientProperty("html") : null;
              if (v != null) {
                  prefSize.width += (int) v.getPreferredSpan(View.X_AXIS) + 6;
                  prefSize.height += (int) v.getPreferredSpan(View.Y_AXIS);
              } else {
!                 prefSize.width += SwingUtilities2.stringWidth(c,fm,text) + 6;
                  prefSize.height += fm.getHeight();
              }
          }
          return prefSize;
      }
--- 195,205 ----
              View v = (c != null) ? (View) c.getClientProperty("html") : null;
              if (v != null) {
                  prefSize.width += (int) v.getPreferredSpan(View.X_AXIS) + 6;
                  prefSize.height += (int) v.getPreferredSpan(View.Y_AXIS);
              } else {
!                 prefSize.width += getTextUIDrawing().getStringWidth(c,fm,text) + 6;
                  prefSize.height += fm.getHeight();
              }
          }
          return prefSize;
      }