Opening via hot key prevents it from focusing input

[rugk]

STR

1. Ctrl+Shift+Period

What happens

Input field not focused

What should happen

Auto-focus should work.

System

Firefox 66
Linux/GNOME/Fedora 30

[Prometheos2]

I had a similar bug when clicking on the icon, but I can't reproduce it in a manner to understand the problem.

it seems the browser lose focus on the application during its opening/loading, and the application doesn't reclaim it when properly opened.
If that's the case, then since the application catches the focus when the loading begins, it must due to the browser not knowing on where to focus.

[rugk]

What do you refer when saying "application"? The add-on?

If so, yeah, it may be some focus problem, I am not sure. AFAIK this happens on all OSes, but when opening this issue I saw it on Linux/GNOME.

BTW also asked in the Mozilla forum, but there are also not many people, who know what causes this: https://discourse.mozilla.org/t/firefox-internals-what-technically-differenciates-a-hot-key-command-popup-opening-from-click-opening/40307?u=rugkx

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In any way, one could implement a workaround to constantly re-try (manually) focusing the input field. I've done something similar in my Offline QR Code Generator add-on here:
https://github.com/rugk/offline-qr-code/blob/e900c8878f86f2b3bea5558b686097b766fa9cba/src/popup/modules/UserInterface.js#L132-L165

Obviously, this would be a workaround, because the feature from emoji-mart just does not work… 🤔
(But I also cannot report it to emoji-mart, because I don't know what exactly causes this issue.)

[rugk]

BTW Firefox seems top have fixed this, at least even when removing my workaround, I cannot reproduce it in Firefox 74.