tooltips stop appearing when a widget is maximized

[ByTheSeaL]

Before I maximize any widget tooltips work fine within the Header of my app:

And within my main Datatable (these are assigned dynamically by watching the Datatable's 'hover_coordinate'):

I have a link which maximizes the Container that contains the Datatable ("ALLOW_MAXIMIZE" is set on the link's Label and on the Container), and I make the app's header appear in maximized view still by setting:

self.app.screen.ALLOW_IN_MAXIMIZED_VIEW = "MyHeader"

When I'm in maximized view the tooltips just stop appearing:

(if it's useful I can see that the watch method watching hover_coordinate is still being triggered in maximized view. There's no interruption in other events - for eg changing the value in an Input still works etc)

[github-actions]

We found the following entry in the FAQ which you may find helpful:

• How do I center a widget in a screen?

Feel free to close this issue if you found an answer in the FAQ. Otherwise, please give us a little time to review.

This is an automated reply, generated by FAQtory

[willmcgugan]

Add .textual-system to your ALLOW_IN_MAXIMIZED_VIEW. i.e. self.app.screen.ALLOW_IN_MAXIMIZED_VIEW = ".textual-system,MyHeader"

[willmcgugan]

There will be an update in the next version, so this won't be necessary in the future.

[ByTheSeaL]

Ah great.
There was one hyphen missing from the ALLOW_IN_MAXIMIZED_VIEW addition but worked out via a search of the source that it was ".-textual-system" so all OK. All working now. Thanks @willmcgugan

[github-actions]

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