void (@NotNull Graphics g) { super.paintComponent(g); if (!StartupUiUtil.isUnderDarcula()) { ToolWindowAnchor anchor = getAnchor(); g.setColor(Gray._255.withAlpha(40)); Rectangle r = getBounds(); if (anchor == ToolWindowAnchor.LEFT || anchor == ToolWindowAnchor.RIGHT) { LinePainter2D.paint((Graphics2D)g, 0, 0, 0, r.height); LinePainter2D.paint((Graphics2D)g, r.width - 2, 0, r.width - 2, r.height); } else { LinePainter2D.paint((Graphics2D)g, 0, 1, r.width, 1); LinePainter2D.paint((Graphics2D)g, 0, r.height - 1, r.width, r.height - 1); } } }