Is there a way to display a tooltip?

[SebastienSyd]

The idea would be to display some text in a tooltip when hovering a Label. Is there a way to achieve this in Rich/Textual?

A concrete example is: we display a date in a human readable format (ex. 6 days ago) and when hovering the date label we get the full formatted date (ex. 2023-04-03 12:00:00Z)

Thank you

[TomJGooding]

I'm not sure this is currently possible with Textual - though I would love to be proven wrong!

For starters, unless I'm missing something I can't find any sort of on_hover handler in the API at the moment?

[TomJGooding]

After a bit more digging, I've found there are actually on_mouse_move and on_leave methods that seem to track whether the widget is currently hovered.

Perhaps if the tooltip text was created on a new layer and only displayed when the label is hovered...

[SebastienSyd]

thanks @TomJGooding for the idea, will play around with that and update this thread with news if that works out

[TomJGooding]

I've spent a bit of time hacking away at this myself but without much progress, so I would be really interested if you do find a solution!

Ideally I think you'd want to wrap everything nicely inside a Tooltip widget, but after experimenting both with a custom Widget and a Label subclass, there's some issues with layers and offset that I'm struggling to reconcile.

[1j01]

FYI, tooltips are now part of the library!

Just set widget.tooltip to a string or other renderable, and you can style the Tooltip widget it creates.