def __init__(self, overlay, repaint, callafter=None):
Blinker.__init__(self, 0.2, 0.5, 0.05, callback=repaint)
self.overlay = overlay
self.callafter = callafter
def __init__(self, repaint, callafter=None):
Blinker.__init__(self, 0.4, 0.8, 0.05, callback=repaint)
self.coord = None
self.callafter = callafter
