Hi,
I have an interesting scenario where I need to install an event filter
on the fly from inside another event filter.
This is because the widget I install the first event filter on changes
it's window() inside the main application under certain circumstances
(out of my control), and I need to know about the widget.window()'s move
event in order for the main event filter to work properly.
Anyway, to avoid installing the same filter multiple times I currently
do this inside the first event filter:
def eventFilter(self, obj, event):
if event.type() == QtCore.QEvent.UpdateRequest:
# obj.window() may or may not have change at this stage
obj.window().removeEventFilter(self.window_ef)
obj.window().installEventFilter(self.window_ef)
Is there a better way? I.e. is there a way to check which event filters
are already installed?
Cheers,
frank
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