629         super.setSize(width, height);
 630         updateMetrics();
 631     }
 632 
 633     // --- TabExpander methods ------------------------------------------
 634 
 635     /**
 636      * Returns the next tab stop position after a given reference position.
 637      * This implementation does not support things like centering so it
 638      * ignores the tabOffset argument.
 639      *
 640      * @param x the current position >= 0
 641      * @param tabOffset the position within the text stream
 642      *   that the tab occurred at >= 0.
 643      * @return the tab stop, measured in points >= 0
 644      */
 645     public float nextTabStop(float x, int tabOffset) {
 646         if (tabSize == 0) {
 647             return x;
 648         }
 649         float ntabs = (x - tabBase) / tabSize;
 650         return tabBase + ((ntabs + 1) * tabSize);
 651     }
 652 
 653     // --- local methods ------------------------------------------------
 654 
 655     /**
 656      * Repaint the region of change covered by the given document
 657      * event.  Damages the line that begins the range to cover
 658      * the case when the insert/remove is only on one line.
 659      * If lines are added or removed, damages the whole
 660      * view.  The longest line is checked to see if it has
 661      * changed.
 662      *
 663      * @param changes the change information from the associated document
 664      * @param a the current allocation of the view
 665      * @param f the factory to use to rebuild if the view has children
 666      * @since 1.4
 667      */
 668     protected void updateDamage(DocumentEvent changes, Shape a, ViewFactory f) {
 669         Component host = getContainer();

 629         super.setSize(width, height);
 630         updateMetrics();
 631     }
 632 
 633     // --- TabExpander methods ------------------------------------------
 634 
 635     /**
 636      * Returns the next tab stop position after a given reference position.
 637      * This implementation does not support things like centering so it
 638      * ignores the tabOffset argument.
 639      *
 640      * @param x the current position >= 0
 641      * @param tabOffset the position within the text stream
 642      *   that the tab occurred at >= 0.
 643      * @return the tab stop, measured in points >= 0
 644      */
 645     public float nextTabStop(float x, int tabOffset) {        
 646         if (tabSize == 0) {
 647             return x;
 648         }        
 649         int ntabs = (int) ((x - tabBase) / tabSize);        
 650         return tabBase + ((ntabs + 1) * tabSize);
 651     }
 652 
 653     // --- local methods ------------------------------------------------
 654 
 655     /**
 656      * Repaint the region of change covered by the given document
 657      * event.  Damages the line that begins the range to cover
 658      * the case when the insert/remove is only on one line.
 659      * If lines are added or removed, damages the whole
 660      * view.  The longest line is checked to see if it has
 661      * changed.
 662      *
 663      * @param changes the change information from the associated document
 664      * @param a the current allocation of the view
 665      * @param f the factory to use to rebuild if the view has children
 666      * @since 1.4
 667      */
 668     protected void updateDamage(DocumentEvent changes, Shape a, ViewFactory f) {
 669         Component host = getContainer();