Keyboard configuration: HiDPI has broken keymap display

Distribution

Arch (updated today)

Package version

6.2.9 (6.2.9-1)

Graphics hardware in use

Radeon 6700XT

Frequency

Always

Bug description

When using a high font scaling factor (2.0 for HiDPI), the keyboard map display in cinnamon-settings uses fonts that don't fit on the keys, like so:

This window can be resized (upwards) making the keys bigger, however the fonts scale with the keys so that they still don't fit.

Steps to reproduce

Set font scaling to 2.0 or so
Open keyboard preferences → layout
Select the current layout in the list
Click the button to view the layout

Expected behavior

Expect that whatever resolution the keys are dawn at, the fonts labeling the keys would be chosen to fit. This might mean ignoring font scaling settings in this case—although if the fonts are scaled to fit the keys and the size of the keys are dictated by the pixel resolution of the screen (as seems to be the case given the three different screen geometries tested real quickly), that should yield appropriate results.

Additional information

Issue observed on Arch (where I'm posting the issue from), Mint 22, and LMDE 6. Not a distribution-specific issue.

Reproduce the issue in cinnamon-settings by setting font scaling to 2.0, opening keyboard preferences, selecting a layout, and viewing the layout. Trace the keyboard map display from that entry point and verify the result at high scaling and the reported screen geometries. Done means the labels fit within their keys without requiring a workaround, while normal-scale display remains usable.