'Forwards all arguments to :func:`setData <pyqtgraph.PlotCurveItem.setData>`.
Some extra arguments are accepted as well:
**Arguments:**
parent          The parent GraphicsObject (optional)
clickable       If True, the item will emit sigClicked when it is
clicked on. Defaults to False.'

def __init__(self, *args, **kargs):

    GraphicsObject.__init__(self, kargs.get('parent', None))
    self.clear()
    self.metaData = {}
    self.opts = {'pen': fn.mkPen('w'), 'shadowPen': None, 'fillLevel': None, 'brush': None, 'stepMode': False, 'name': None, 'antialias': getConfigOption('antialias'), 'connect': 'all', 'mouseWidth': 8}
    self.setClickable(kargs.get('clickable', False))
    self.setData(*args, **kargs)
