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Niri for macOS (Native Port)

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⚠️⚠️⚠️My port was a mistake. Performing a highly flexible port on the closed macOS system is very difficult, and the program I ported still uses Wayland for display, which cannot provide a normal software ecosystem. I need to think carefully before continuing to write. My new code will not be pushed here for a while, because it is useless.

<h1 align="center"><img alt="macniri" src="https://github.com/user-attachments/assets/07d05cd0-d5dc-4a28-9a35-51bae8f119a0"></h1>
<p align="center">A scrollable-tiling Wayland compositor.</p>
<p align="center">
    <a href="https://matrix.to/#/#niri:matrix.org"><img alt="Matrix" src="https://img.shields.io/badge/matrix-%23niri-blue?logo=matrix"></a>
    <a href="https://github.com/YaLTeR/niri/blob/main/LICENSE"><img alt="GitHub License" src="https://img.shields.io/github/license/YaLTeR/niri"></a>
    <a href="https://github.com/YaLTeR/niri/releases"><img alt="GitHub Release" src="https://img.shields.io/github/v/release/YaLTeR/niri?logo=github"></a>
</p>

<p align="center">
    <a href="https://yalter.github.io/niri/Getting-Started.html">Getting Started</a> | <a href="https://yalter.github.io/niri/Configuration%3A-Introduction.html">Configuration</a> | <a href="https://github.com/YaLTeR/niri/discussions/325">Setup&nbsp;Showcase</a>
</p>

![niri with a few windows open](https://github.com/user-attachments/assets/535e6530-2f44-4b84-a883-1240a3eee6e9)

# 🍎 macniri: Niri for macOS (Pre-Alpha)

> **⚠️ WARNING: PRE-ALPHA SOFTWARE**
> This is a **Proof of Concept** port of [Niri](https://github.com/YaLTeR/niri) to macOS.
> It is **NOT ready for daily use**. Expect severe bugs, missing features, and crashes.

## 🚧 Current Status & Call for Help
We have successfully ported the rendering and basic window management, but major issues remain.
**We need contributors!**

### 🛑 Critical Issues (Help Wanted):
1.  **Input Latency**: There is a noticeable ~16ms input latency due to `CFRunLoop` integration limitations. We need help optimizing the `winit` -> `calloop` event loop bridge.
2.  **App Support**: Most Linux GUI apps do not run natively on macOS rendering. You must use `waypipe` or manually patch apps (e.g. Alacritty, Firefox) to use the Wayland backend on macOS.
3.  **Stability**: The compositor may crash or freeze under load.

### 🎯 Goal
make `macniri` a viable tiling window manager replacement for macOS users who want the Wayland experience.

## 🛠️ Building on macOS

**Prerequisites:**
1. Install Rust: `rustup-init`
2. Install LLVM (for lld linker): `brew install llvm`

**Quick Start:**
We provide a helper script to set up the environment and run the compositor.

```bash
chmod +x run_macniri.sh
./run_macniri.sh
```

**Alternative (Manual Build):**
```bash
export RUSTFLAGS="-L/opt/homebrew/lib -C link-arg=-fuse-ld=/opt/homebrew/bin/ld64.lld"
export XDG_RUNTIME_DIR=/tmp
cargo run --release -c ./debug_config.kdl
```

---

## About

Windows are arranged in columns on an infinite strip going to the right.
Opening a new window never causes existing windows to resize.

Every monitor has its own separate window strip.
Windows can never "overflow" onto an adjacent monitor.

Workspaces are dynamic and arranged vertically.
Every monitor has an independent set of workspaces, and there's always one empty workspace present all the way down.

The workspace arrangement is preserved across disconnecting and connecting monitors where it makes sense.
When a monitor disconnects, its workspaces will move to another monitor, but upon reconnection they will move back to the original monitor.

## Features

- Built from the ground up for scrollable tiling
- [Dynamic workspaces](https://yalter.github.io/niri/Workspaces.html) like in GNOME
- An [Overview](https://github.com/user-attachments/assets/379a5d1f-acdb-4c11-b36c-e85fd91f0995) that zooms out workspaces and windows
- Built-in screenshot UI
- Monitor and window screencasting through xdg-desktop-portal-gnome
    - You can [block out](https://yalter.github.io/niri/Configuration%3A-Window-Rules.html#block-out-from) sensitive windows from screencasts
    - [Dynamic cast target](https://yalter.github.io/niri/Screencasting.html#dynamic-screencast-target) that can change what it shows on the go
- [Touchpad](https://github.com/YaLTeR/niri/assets/1794388/946a910e-9bec-4cd1-a923-4a9421707515) and [mouse](https://github.com/YaLTeR/niri/assets/1794388/8464e65d-4bf2-44fa-8c8e-5883355bd000) gestures
- Group windows into [tabs](https://yalter.github.io/niri/Tabs.html)
- Configurable layout: gaps, borders, struts, window sizes
- [Gradient borders](https://yalter.github.io/niri/Configuration%3A-Layout.html#gradients) with Oklab and Oklch support
- [Animations](https://github.com/YaLTeR/niri/assets/1794388/ce178da2-af9e-4c51-876f-8709c241d95e) with support for [custom shaders](https://github.com/YaLTeR/niri/assets/1794388/27a238d6-0a22-4692-b794-30dc7a626fad)
- Live-reloading config
- Works with [screen readers](https://yalter.github.io/niri/Accessibility.html)

## Video Demo

https://github.com/YaLTeR/niri/assets/1794388/bce834b0-f205-434e-a027-b373495f9729

Also check out this video from Brodie Robertson that showcases a lot of the niri functionality: [Niri Is My New Favorite Wayland Compositor](https://youtu.be/DeYx2exm04M)

## Status

Niri is stable for day-to-day use and does most things expected of a Wayland compositor.
Many people are daily-driving niri, and are happy to help in our [Matrix channel].

Give it a try!
Follow the instructions on the [Getting Started](https://yalter.github.io/niri/Getting-Started.html) page.
Have your [waybar]s and [fuzzel]s ready: niri is not a complete desktop environment.
Also check out [awesome-niri], a list of niri-related links and projects.

Here are some points you may have questions about:

- **Multi-monitor**: yes, a core part of the design from the very start. Mixed DPI works.
- **Fractional scaling**: yes, plus all niri UI stays pixel-perfect.
- **NVIDIA**: seems to work fine.
- **Floating windows**: yes, starting from niri 25.01.
- **Input devices**: niri supports tablets, touchpads, and touchscreens.
You can map the tablet to a specific monitor, or use [OpenTabletDriver].
We have touchpad gestures, but no touchscreen gestures yet.
- **Wlr protocols**: yes, we have most of the important ones like layer-shell, gamma-control, screencopy.
You can check on [wayland.app](https://wayland.app) at the bottom of each protocol's page.
- **Performance**: while I run niri on beefy machines, I try to stay conscious of performance.
I've seen someone use it fine on an Eee PC 900 from 2008, of all things.
- **Xwayland**: [integrated](https://yalter.github.io/niri/Xwayland.html#using-xwayland-satellite) via xwayland-satellite starting from niri 25.08.

## Media

[niri: Making a Wayland compositor in Rust](https://youtu.be/Kmz8ODolnDg?list=PLRdS-n5seLRqrmWDQY4KDqtRMfIwU0U3T) · *December 2024*

My talk from the 2024 Moscow RustCon about niri, and how I do randomized property testing and profiling, and measure input latency.
The talk is in Russian, but I prepared full English subtitles that you can find in YouTube's subtitle language selector.

[An interview with Ivan, the developer behind Niri](https://www.trommelspeicher.de/podcast/special_the_developer_behind_niri) · *June 2025*

An interview by a German tech podcast Das Triumvirat (in English).
We talk about niri development and history, and my experience building and maintaining niri.

[A tour of the niri scrolling-tiling Wayland compositor](https://lwn.net/Articles/1025866/) · *July 2025*

An LWN article with a nice overview and introduction to niri.

## Contributing

If you'd like to help with niri, there are plenty of both coding- and non-coding-related ways to do so.
See [CONTRIBUTING.md](https://github.com/YaLTeR/niri/blob/main/CONTRIBUTING.md) for an overview.

## Inspiration

Niri is heavily inspired by [PaperWM] which implements scrollable tiling on top of GNOME Shell.

One of the reasons that prompted me to try writing my own compositor is being able to properly separate the monitors.
Being a GNOME Shell extension, PaperWM has to work against Shell's global window coordinate space to prevent windows from overflowing.

## Tile Scrollably Elsewhere

Here are some other projects which implement a similar workflow:

- [PaperWM]: scrollable tiling on top of GNOME Shell.
- [karousel]: scrollable tiling on top of KDE.
- [scroll](https://github.com/dawsers/scroll) and [papersway]: scrollable tiling on top of sway/i3.
- [hyprscrolling] and [hyprslidr]: scrollable tiling on top of Hyprland.
- [PaperWM.spoon]: scrollable tiling on top of macOS.

## Contact

Our main communication channel is a Matrix chat, feel free to join and ask a question: https://matrix.to/#/#niri:matrix.org

We also have a community Discord server: https://discord.gg/vT8Sfjy7sx

[PaperWM]: https://github.com/paperwm/PaperWM
[waybar]: https://github.com/Alexays/Waybar
[fuzzel]: https://codeberg.org/dnkl/fuzzel
[awesome-niri]: https://github.com/Vortriz/awesome-niri
[karousel]: https://github.com/peterfajdiga/karousel
[papersway]: https://spwhitton.name/tech/code/papersway/
[hyprscrolling]: https://github.com/hyprwm/hyprland-plugins/tree/main/hyprscrolling
[hyprslidr]: https://gitlab.com/magus/hyprslidr
[PaperWM.spoon]: https://github.com/mogenson/PaperWM.spoon
[Matrix channel]: https://matrix.to/#/#niri:matrix.org
[OpenTabletDriver]: https://opentabletdriver.net/

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