'termsync' : cursor rendering issue on zellij with floating window about neovim

[gpanders]

Resolved in Zellij zellij-org/zellij#3208 (comment)

[justinmk]

"This issue is 99% a misimplementation of CSI 2026 (synchronized renders) by ... nvim".

Does the issue occur if you disable 'termsync'?

For reference:

• Synchronized Output https://gist.github.com/christianparpart/d8a62cc1ab659194337d73e399004036
• 'termsync' implemented in c651fb3

[pierregoutheraud]

@justinmk Yes, the issue still occurs but is less obvious as the cursor only flickers but stays at the same position.
With tmux or without multiplexer it does not blink/flickers.

Screen.Recording.2024-06-20.at.18.24.32.mov

This doesn't sound like a huge deal but it becomes quite annoying when you have a bunch of plugins, opening a bunch of windows as you are typing (For example autocompletion windows etc.).

[gpanders]

I posted a comment on zellij github (zellij-org/zellij#3208 (comment)) and the main contributor/creator is telling me that "This issue is 99% a misimplementation of CSI 2026 (synchronized renders) by ... nvim".

From your linked issue:

Hey, for the record: I looked at the dump and the CSI 2026 appears at the beginning and end properly (this is a dump of the whole terminal state, not just one frame - indeed the CSI 2026 serves as the definition of the frame start and end).

[pierregoutheraud]

@gpanders I was referring to one of his previous comment:

Thanks to everyone for pointing out their reproductions and experiences here, but at this point I don't think this adds anything to the discussion. This issue is 99% a misimplementation of CSI 2026 (synchronized renders) by either noice or nvim (as demonstrated by shutting them down mitigating this issue).

Are you by any chance reproducing this weird behaviour?

[clason]

Well, it would help to have a reproduction without noice. We take standards compliance very seriously.

[gpanders]

@gpanders I was referring to one of his previous comment

Yes, but I was pointing out that later in the same thread the Zellij maintainer seems to have absolved Neovim by pointing out that our implementation is correct.

[pierregoutheraud]

@gpanders I see! Indeed he is not reproducing on this config when cating my ANSI dump.
@clason I posted a minimal.lua file in my first message, this is without any plugins.