MoonUI

MoonUI is Moonbot's standalone GPUI runtime and component workspace.

Applications use this repository directly from Cargo. Developers who need to edit the runtime or components can clone MoonUI next to the application and add a local [patch] override without changing public manifests.

Repository Layout

• crates/moon-gpui is the GPUI facade used by applications.
• crates/moon-gpui-platform selects Windows, macOS, Linux, web, and headless backends.
• crates/moon-ui is the public Moon UI facade for application code.
• crates/moon-ui-components is the Moon-maintained component port. Its Rust crate name remains gpui_component to keep port diffs readable.
• docs/MOON_PATCH_QUEUE.md describes the maintainer workflow for updating the standalone GPUI extraction from upstream Zed.

Use From Cargo

Applications should depend on the public Git repository:

gpui = { package = "moon-gpui", git = "https://github.com/Moonbot-Tech/MoonUI", branch = "master" }
gpui_platform = { package = "moon-gpui-platform", git = "https://github.com/Moonbot-Tech/MoonUI", branch = "master", features = ["font-kit", "wayland", "x11"] }
moon-ui = { package = "moon-ui", git = "https://github.com/Moonbot-Tech/MoonUI", branch = "master" }

For local development, keep the public Cargo.toml unchanged and add a private path override in the consuming application's .cargo/config.toml:

[patch."https://github.com/Moonbot-Tech/MoonUI"]
moon-gpui = { path = "../MoonUI/crates/moon-gpui" }
moon-gpui-platform = { path = "../MoonUI/crates/moon-gpui-platform" }
moon-ui = { path = "../MoonUI/crates/moon-ui" }

Do not commit that override. It is only for local editing. Prefer [patch] over top-level paths: it replaces the same Git source without changing the shape of the dependency graph.

Build

Windows MSVC:

cmd.exe /d /s /c 'call "C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\VC\Auxiliary\Build\vcvars64.bat" >nul && cargo check -p moon-gpui --target x86_64-pc-windows-msvc'
cmd.exe /d /s /c 'call "C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\VC\Auxiliary\Build\vcvars64.bat" >nul && cargo check -p moon-ui --target x86_64-pc-windows-msvc'

macOS requires the full Xcode Metal toolchain. Linux requires the GPUI Linux backend dependencies used by Zed.

Licensing

MoonUI preserves upstream licensing from the projects it is built from.

• GPUI-derived crates are based on Zed and carry their original Zed license metadata. See the root LICENSE and crate-level LICENSE-APACHE files.
• Zed's GPL zlog / ztracing helper crates are intentionally not extracted. The remaining extracted GPUI crates in this repository are Apache-2.0.
• Moon UI component crates are an Apache-2.0 port of Longbridge gpui-component. The component crate also keeps its upstream copyright notice in crates/moon-ui-components/LICENSE-APACHE.
• Moonbot-specific additions are distributed under Apache-2.0 unless a file or crate manifest says otherwise.

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