def enter_cb(self, event=None):
     """add crosshair"""
     #print 'enter', event.widget
     Tree.enter_cb(self)
     canvas = self.canvas
     self.crosshairTk = canvas.create_line(0,0,0,0,0,0,0,0,0,0,
                                           fill='#35A8FF', width=2)
     self.master.bind("<Motion>", self.move_cb)
     canvas.tag_lower(self.crosshairTk)
 def enter_cb(self, event=None):
     """add crosshair"""
     #print 'enter', event.widget
     Tree.enter_cb(self)
     canvas = self.canvas
     self.crosshairTk = canvas.create_line(0,0,0,0,0,0,0,0,0,0,
                                           fill='#35A8FF', width=2)
     canvas.bind("<Motion>", self.move_cb)
     canvas.tag_lower(self.crosshairTk)
     canvas.tag_lower('backgroundStripes')
 def enter_cb(self, event=None):
     """add crosshair"""
     #print 'enter', event.widget
     Tree.enter_cb(self)
     canvas = self.canvas
     self.crosshairTk = canvas.create_line(0,0,0,0,0,0,0,0,0,0,
                                           fill='#35A8FF', width=2)
     canvas.bind("<Motion>", self.move_cb)
     canvas.tag_lower(self.crosshairTk)
     canvas.tag_lower('backgroundStripes')
     self.canvas.configure(state='normal')