void (Graphics g, JComponent c, Rectangle trackBounds) { if (alwaysShowTrack() || myMouseOverScrollbarExpandLevel > 0) { doPaintTrack(g, c, trackBounds); } RegionPainter<Object> painter = ClientProperty.get(c, JBScrollBar.TRACK); if (painter != null) { painter.paint((Graphics2D)g, trackBounds.x, trackBounds.y, trackBounds.width, trackBounds.height, null); } }