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Ivan Molodetskikh

Niri 0.1.6 with interactive window resizing, rounded corners, named workspaces, mouse view scrolling, animation custom shaders, screen transition!

github.com/YaLTeR/niri/release

Didn't realize quite how many release notes there would be this time; even had to use an extra level of headings. 😅

#niri #smithay #rust #wayland

32 comments
Ivan Molodetskikh replied to Ivan

Over the past few weeks I've been working on fractional scaling for niri. A simple implementation took about a day, but to do it *properly* I had to refactor the entire layout code to work in floating-point.

The result is well worth it though. Borders, gaps and windows are always physical-pixel aligned, and not restricted to integer logical pixel positions. There's no blur or position-dependent +-1 px jank. Fractional-scale-aware clients remain crisp at any scale.

#niri #smithay

Ivan Molodetskikh replied to Ivan

So it turns out that changing PipeWire screencast stream resolution on the fly is actually not that hard! Which is great news because it's required (or at least very desirable) for implementing window screencasting.

Ivan Molodetskikh replied to Ivan

Phew, finished the initial implementation of window screencasting in niri! Complete with stream resolution change on window resizing.

Some details are still iffy regarding frame timing and frame callbacks, especially to obscured windows, but it *should* work decently fine for now.

#niri

Ivan Molodetskikh replied to Ivan

Icons are missing in the portal dialog because apparently Shell keeps track of Wayland app ID to .desktop file mapping internally and returns the .desktop file name to the portal for it to get the icon. Which is a bit too much effort for me to replicate for now. 😅

Ivan Molodetskikh replied to Ivan

Fixed transparency support. Turns out the BGRA format should've been in a separate pod, rather than as a choice in the same pod. Should've looked at Mutter code sooner as usual..

Ivan Molodetskikh replied to Ivan

niri v0.1.7 is out with fractional scaling, window screencasts and many smaller improvements!

github.com/YaLTeR/niri/release

#niri #smithay #wayland #rust

Ivan Molodetskikh replied to Ivan

Apparently there's a cool Pango flag that enables subpixel glyph positioning which makes things scale smoother and improves kerning! Thanks Benjamin (the GTK maintainer) for the suggestion

Ivan Molodetskikh replied to Ivan

Oops, looks like niri had outstarred PaperWM on GitHub 🙈

PaperWM introduced me to (and made me fall in love with) scrollable tiling. It's a solid implementation on top of GNOME, so you get all the benefits of running a stable and well-supported DE (and Xwayland). PaperWM is also a very direct inspiration for many parts of niri!

github.com/paperwm/PaperWM

Ivan Molodetskikh replied to Ivan

Implemented the thing where you can toggle the mouse pointer on the screenshot after the fact (by pressing P). Gonna add a help panel here soon to remind you of this.

#niri

Ivan Molodetskikh replied to Ivan

key repeat + scrollable tiling = fun

#niri

Ivan Molodetskikh replied to Ivan

One of the niri users has contributed a gradient interpolation color space setting! Now you can do pretty gradient borders in srgb-linear, oklab and oklch (in all four hue directions).

#niri

Ivan Molodetskikh replied to Ivan

I made a COPR for git builds of niri: copr.fedorainfracloud.org/copr

Apparently this is a thing you can do; relatively easily, even. It's fully automatic, triggers on a webhook from GitHub.

Thanks Michael (my4ng) from our Matrix channel for showing me the relevant docs and doing the initial work!

#niri

Ivan Molodetskikh replied to Ivan

niri has reached 3000 stars yesterday!

Ivan Molodetskikh replied to Ivan

also in an act of severe procrastination i decided to try drawing a diagram of the redraw state machine: github.com/YaLTeR/niri/wiki/Re

Ivan Molodetskikh replied to Ivan

Spent a better part of today, but I've got dmabuf modifier negotiation fully working in my pipewire screencasting code in niri! This happens to finally fix screencasting on NVIDIA GPUs. Still haven't got any GStreamer pipeline working though, maybe needs a pipewire update.

Apparently, my AMD selects a BGRA format modifier that has two planes. Some out of band info I suppose. And on Intel a preferred BGRA modifier has three entire planes!

#niri #pipewire

Ivan Molodetskikh replied to Ivan

My Wayland compositor, niri, turns one today! :ablobcatrave:

Here's v0.1.8 with bind key repeat, screenshot UI pointer toggle, gradient color spaces, wlr screencopy v3 and output management, and lots of other improvements: github.com/YaLTeR/niri/release

#niri #smithay #wayland #rust

Ivan Molodetskikh replied to Ivan

omg, my friend drew a birthday nirik :blobcataww:

i recorded a demo video for the focus-follows-mouse section to showcase it lol

Ivan Molodetskikh replied to Ivan

Several days and a lot of hair pulling later, I *think* I got resize transactions working?? Maybe? Hopefully?

Resize transactions is when all windows that must resize together, resize together, with no mismatching frames in between. For example, all windows in a column must add up to the full screen height.

This requires correct configure acks on the client (looking at you, Blender) and very careful state update delaying and resize throttling on the compositor side.

#niri

Ivan Molodetskikh replied to Ivan

narrator: there was still one case where it didn't work due to a bug

okay, surely this time it definitely works for all correctly written clients

Ivan Molodetskikh replied to Ivan

Here's one mainly for people who disable animations: window closing now runs in a transaction with the other windows resizing. This means, no background flicker.

#niri

Ivan Molodetskikh replied to Ivan

There's been another logo discussion in the niri Matrix room with some quite interesting concepts emerging. Here's one by Endg4me_ with edits by bluelinden and myself, and inspiration from a concept by ElKowar.

What do you think?

#niri

Ivan Molodetskikh replied to Ivan

I'm working on an "event stream" IPC for niri where you get notified about events as they happen. For example, "workspace switched" or "keyboard layout changed".

To give it a good test, I actually started implementing native niri support in Waybar. You can give it a try too: github.com/YaLTeR/niri/pull/45

#niri

Ivan Molodetskikh replied to Ivan

I finished the initial event stream IPC implementation for niri. My Waybar fork implements a decent amount of the modules niri/workspaces, niri/window, niri/language. Please give that a try, also anyone who makes IPC scripts or bars please give a try to the event stream IPC itself so we can find any design flaws before merging.

The PR you will need: github.com/YaLTeR/niri/pull/45

Waybar fork is linked from there.

#niri

Ivan Molodetskikh replied to Ivan

The other day, Christian Meissl finished updating and publishing the libdisplay-info bindings [1]. This is quite exciting because, unlike edid-rs, it can parse the manufacturer/model/serial from pretty much any monitor.

So, today I spend a few hours integrating the manufacturer/model/serial monitor addressing all throughout niri: config, IPC, niri msg, screencast output selector. You should now be able to write/use "SomeCompany CoolMonitor 1234" everywhere!

[1]: lib.rs/crates/libdisplay-info

#niri

The other day, Christian Meissl finished updating and publishing the libdisplay-info bindings [1]. This is quite exciting because, unlike edid-rs, it can parse the manufacturer/model/serial from pretty much any monitor.

So, today I spend a few hours integrating the manufacturer/model/serial monitor addressing all throughout niri: config, IPC, niri msg, screencast output selector. You should now be able to write/use "SomeCompany CoolMonitor 1234" everywhere!

Ivan Molodetskikh replied to Ivan

Set up CI rustdoc publishing for niri-ipc: yalter.github.io/niri/niri_ipc

This has the entirety of the niri IPC documented, including the new event stream events.

#niri

Ivan Molodetskikh replied to Ivan

After the Waybar maintainer speedran merging my niri modules and releasing, I would feel bad delaying any longer, so here's niri 0.1.9 :)

Event stream IPC for bars, better window resizing, properly named outputs, on-demand VRR, out-of-the-box fix for NVIDIA flickering, and other improvements!

github.com/YaLTeR/niri/release

#niri #smithay #wayland #rust

Ivan Molodetskikh replied to Ivan

Over the past 2 weeks I've been slowly but surely working on the interactive move niri PR [1] by @pajn. It's already got me to fix quite a bit of tech debt in the layout code, which is cool.

The PR is still rough around the edges, but mostly works, and I switched to running the branch on my own systems to give it thorough testing.

(also no, this is not the Floating Layer yet, though it's a good step towards that)

Attaching a video of what it looks like rn

[1]: github.com/YaLTeR/niri/pull/54

#niri

Over the past 2 weeks I've been slowly but surely working on the interactive move niri PR [1] by @pajn. It's already got me to fix quite a bit of tech debt in the layout code, which is cool.

The PR is still rough around the edges, but mostly works, and I switched to running the branch on my own systems to give it thorough testing.

Ivan Molodetskikh replied to Ivan

Made interactive move work on touch (and resize too while I was at it), didn't need that many changes actually

#niri

Ivan Molodetskikh replied to Ivan

Added a bit of rubberbanding before the window is "dragged out" of the layout. Should help avoid unintended layout changes.

Along with a few more fixes I did, I think interactive move should be good to merge? It's not 100% perfect and jank free, but I'm fairly sure I got all the important things done. Will give it some more testing.

#niri

Ivan Molodetskikh replied to Ivan

Suddenly, @drakulix showcasing the Cosmic session running on, among other compositors, niri! On the big screen at the Ubuntu Summit 😄

github.com/Drakulix/cosmic-ext

#niri

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