Ah yes, good point. That sounds much cleaner, thanks!
Cheers,
frank
On 22/07/18 2:59 AM, David Anes wrote:
Hi Frank,
I would track the window object on my own on every call to the event
filter, and if it's different, then do the removeEventFilter from the
old one, installEvent on the new one and update the tracked object.
Cheers,
David.
2018-07-21 7:09 GMT+02:00 Frank Rueter | OHUfx <[email protected]
<mailto:[email protected]>>:
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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David "kraptor" Anes Alcolea
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