def __init__(self):
tracker.register("gaze", self.on_gaze)
self.xy_hist = [Point2d(0, 0)]
self.origin = Point2d(0, 0)
canvas.register("overlay", self.draw)
self.enabled = True
def toggle_watcher():
if mouse.enabled:
# print(" unregister")
tracker.unregister('gaze', mouse.on_gaze)
canvas.unregister('overlay', mouse.draw)
# lens mode is useless without eye tracking
# noise_model.lens_mode = False
else:
# print(" register")
tracker.register('gaze', mouse.on_gaze)
# turn circle back on if it was on previously?
if mouse.alpha == not_transparent:
canvas.register('overlay', mouse.draw)
mouse.enabled = not mouse.enabled
def toggle_circle():
mouse.alpha = not_transparent if mouse.alpha == transparent else transparent
if mouse.alpha == transparent:
canvas.unregister('overlay', mouse.draw)
else:
canvas.register('overlay', mouse.draw)