| def connect (receiver) |
| def disconnect (receiver) |
| def emit (*args) |
信号 class provides a way to declare and connect Qt signals in a pythonic way.
PySide adopt PyQt's new signal and slot syntax as-is. The PySide implementation is functionally compatible with the PyQt 4.5 one, with the exceptions listed bellow.
Create a connection between this signal and a receiver ， receiver can be a Python callable, a Slot 或 信号 .
Disconnect this signal from a receiver ， receiver can be a Python callable, a Slot 或 信号 .
args is the arguments to pass to any connected slots, if any.
