Desktop: Keyboard focus not visible

[personalizedrefrigerator]

Operating system

Linux

Joplin version

2.14.15

Desktop version info

Joplin 2.14.15 (dev, linux)

Client ID: 44da07c87ebf4662aa0e0f97f77f7f38
Sync Version: 3
Profile Version: 46
Keychain Supported: No

Revision: 3e1790a (pr/allow-cm6-user-commands-to-take-arguments)

CodeMirror6 line numbers: 1.0.0
Simple Backup: 1.3.5

Current behaviour

1. Press tab to change the focus (hint: Escape then tab can be used to move focus out of the beta editor).
2. Try to determine what is focused visually.

Note

This is particularly an issue when no mouse is connected to a computer. If focus indicators were originally removed for stylistic/appearance reasons, I suggest enabling them if no pointermove events have been received.

Alternatively, we may be able to let Electron decide whether to show focus indicators with the :focus-visible CSS selector.

Expected behaviour

It should be possible to visually determine what is focused when navigating using the keyboard. This is an issue particularly when no mouse/pointer device is connected to a computer.

See https://hacks.mozilla.org/2019/06/indicating-focus-to-improve-accessibility/ for why visible keyboard focus is important and implementation suggestions.

Logs

No response