[GH-ISSUE #401] Super key not sent to slave #209

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opened 2026-05-05 22:14:02 -06:00 by gitea-mirror · 5 comments
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Originally created by @Geobert on GitHub (Mar 25, 2026).
Original GitHub issue: https://github.com/feschber/lan-mouse/issues/401

I have my desktop controlling my laptop.

Both installed with NixOS and Niri. I use Mod as hotkey for Niri manipulation which is said to be:

Mod is a special modifier that is equal to Super when running niri on a TTY, and to Alt when running niri as a nested winit window. This way, you can test niri in a window without causing too many conflicts with the host compositor's key bindings. For this reason, most of the default keys use the Mod modifier.

But it seems to not work on the laptop.

Am I missing something?

Originally created by @Geobert on GitHub (Mar 25, 2026). Original GitHub issue: https://github.com/feschber/lan-mouse/issues/401 I have my desktop controlling my laptop. Both installed with NixOS and Niri. I use `Mod` as hotkey for Niri manipulation which is said to be: > Mod is a special modifier that is equal to Super when running niri on a TTY, and to Alt when running niri as a nested winit window. This way, you can test niri in a window without causing too many conflicts with the host compositor's key bindings. For this reason, most of the default keys use the Mod modifier. But it seems to not work on the laptop. Am I missing something?
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@Geobert commented on GitHub (Mar 25, 2026):

Don’t mind me, I launch wev to check the inputs and it has the correct key events, so the bug is elsewhere

<!-- gh-comment-id:4128903532 --> @Geobert commented on GitHub (Mar 25, 2026): Don’t mind me, I launch `wev` to check the inputs and it has the correct key events, so the bug is elsewhere
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@feschber commented on GitHub (Mar 25, 2026):

Might be a case of modifier events not being handled correctly. What input-capture backend is being used?

<!-- gh-comment-id:4129210197 --> @feschber commented on GitHub (Mar 25, 2026): Might be a case of modifier events not being handled correctly. What input-capture backend is being used?
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@Geobert commented on GitHub (Mar 25, 2026):

Thanks for your answer but it’s because of https://github.com/niri-wm/niri/issues/403 (which depends on a Smithay issue) :)

<!-- gh-comment-id:4129242527 --> @Geobert commented on GitHub (Mar 25, 2026): Thanks for your answer but it’s because of https://github.com/niri-wm/niri/issues/403 (which depends on a Smithay issue) :)
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@feschber commented on GitHub (Mar 25, 2026):

Thanks for your answer but it’s because of https://github.com/niri-wm/niri/issues/403 (which depends on a Smithay issue) :)

I may look into this when I have time.

<!-- gh-comment-id:4129426193 --> @feschber commented on GitHub (Mar 25, 2026): > Thanks for your answer but it’s because of https://github.com/niri-wm/niri/issues/403 (which depends on a Smithay issue) :) I may look into this when I have time.
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@mogambro commented on GitHub (Apr 30, 2026):

First off, let me say: Thanks for lan-mouse! It's great software and I hope to be able to use it again in the future.

Due to the issue in niri (or rather smithay) linked above, I landed at https://github.com/htrefil/rkvm ... maybe this helps to ease your pain at the moment @Geobert... for me it's exactly what I need.

I especially love the feature that I can switch to the laptop (and back) with a shortcut, not just back (with the release config in lan-mouse)

Again, sorry, I didn't want to advertise other software, I just wanted to share how I "solved" this annoying bug for me...

<!-- gh-comment-id:4354024733 --> @mogambro commented on GitHub (Apr 30, 2026): First off, let me say: Thanks for lan-mouse! It's great software and I hope to be able to use it again in the future. Due to the issue in niri (or rather smithay) linked above, I landed at https://github.com/htrefil/rkvm ... maybe this helps to ease your pain at the moment @Geobert... for me it's exactly what I need. I especially love the feature that I can switch to the laptop (and back) with a shortcut, not just back (with the release config in lan-mouse) Again, sorry, I didn't want to advertise other software, I just wanted to share how I "solved" this annoying bug for me...
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Reference: github-starred/lan-mouse#209
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