def callback(shell, initial, visible, user_param1, ...)
Emitted before the visibility of the main window changes. The return value overrides the visibility setting. If multiple signal handlers are attached, the last one wins.
shell : |
instance of RB.Shell that is emitting the signal |
initial : |
if True, this is the initial visibility for the window |
visible : |
new shell visibility |
user_param1 : |
first user parameter (if any) specified with the connect() method |
... : |
additional user parameters (if any) |