def __init__(self, view, attrs):
super(Button, self).__init__()
self.attrs = attrs
self.renderer = CellRendererButton(attrs.get('string', _('Unknown')))
self.view = view
self.renderer.connect('clicked', self.button_clicked)
def __init__(self, treeview, screen, attrs=None):
super(Button, self).__init__()
self.attrs = attrs or {}
self.renderer = CellRendererButton(attrs.get('string', _('Unknown')))
self.treeview = treeview
self.screen = screen
self.renderer.connect('clicked', self.button_clicked)
