# screen could use your expression, please put your calculation
# into a seperate Source, providing a "boolean"-property.
class Boolean(Source, object):
- def __init__(self, fixed = False, function = None, poll = 0):
+ def __init__(self, fixed = False, function = None, destroy = None, poll = 0):
Source.__init__(self)
self.function = function
self.fixed = fixed
+ self.post_destroy = destroy
if poll > 0:
self.poll_timer = eTimer()
self.poll_timer.callback.append(self.poll)
def destroy(self):
if self.poll_timer:
self.poll_timer.callback.remove(self.poll)
+ if self.post_destroy is not None:
+ self.fixed = self.post_destroy
+ self.poll()
+ Source.destroy(self)