Overloads the paint event to draw rounded edges on this widget.
        
        :param      event | <QPaintEvent>

def paintEvent( self, event ):
        """
        Overloads the paint event to draw rounded edges on this widget.
        
        :param      event | <QPaintEvent>
        """
        super(XRolloutItem, self).paintEvent(event)
        
        with XPainter(self) as painter:
            w = self.width() - 3
            h = self.height() - 3
            
            color = self.palette().color(QPalette.Midlight)
            color = color.darker(180)
            pen = QPen(color)
            pen.setWidthF(0.5)
            
            painter.setPen(pen)
            painter.setBrush(self.palette().color(QPalette.Midlight))
            painter.setRenderHint(XPainter.Antialiasing)
            painter.drawRoundedRect(1, 1, w, h, 10, 10)