RB.PropertyView::show-popup

def callback(property_view, user_param1, ...)

Emitted when a popup menu should be displayed for the property view. The source containing the property view should connect a handler to this signal that * displays an appropriate popup.

property_view :

instance of RB.PropertyView that is emitting the signal

user_param1 :

first user parameter (if any) specified with the connect() method

... :

additional user parameters (if any)