def callback(play_order, have_next, have_previous, user_param1, ...)
Emitted as a hint to suggest that the sensitivity of next/previous buttons may need to be updated.
play_order : |
instance of RB.PlayOrder that is emitting the signal |
have_next : |
if True, the play order has at least one more entry |
have_previous : |
if True, the play order has at least one entry before the current entry |
user_param1 : |
first user parameter (if any) specified with the connect() method |
... : |
additional user parameters (if any) |