David Tolnay cdf189e15a
build(deps): allow using ratatui with unicode-width 0.2.1 (#1999)
According to the issue linked from Cargo.toml, the intention has been to
manually upgrade unicode-width every now and then, after verifying that
the new version does not disrupt Ratatui. See
https://github.com/ratatui/ratatui/issues/1271#issuecomment-2373917195.

This PR unblocks using Ratatui in a dependency graph where some other
crate requires some of the fixes that landed in unicode-width 0.2.1.
Without this PR, Cargo blocks Ratatui from being used.

```console
error: failed to select a version for `unicode-width`.
    ... required by package `ratatui v0.29.0`
    ... which satisfies dependency `ratatui = "^0.29"` of package `cargo v0.91.0`
    ... which satisfies path dependency `cargo` (locked to 0.91.0) of package `repro v0.0.0`
versions that meet the requirements `=0.2.0` are: 0.2.0

all possible versions conflict with previously selected packages.

  previously selected package `unicode-width v0.2.1`
    ... which satisfies dependency `unicode-width = "^0.2.1"` of package `cargo v0.91.0`
    ... which satisfies path dependency `cargo` (locked to 0.91.0) of package `repro v0.0.0`

failed to select a version for `unicode-width` which could resolve this conflict
```
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2025-06-30 04:53:20 -07:00
2025-06-30 04:53:20 -07:00
2025-06-30 04:53:20 -07:00
2025-06-30 04:53:20 -07:00
2025-04-03 21:51:03 +03:00

Table of Contents

Demo

Ratatui (ˌræ.təˈtu.i) is a Rust crate for cooking up terminal user interfaces (TUIs). It provides a simple and flexible way to create text-based user interfaces in the terminal, which can be used for command-line applications, dashboards, and other interactive console programs.

Quickstart

Ratatui has templates available to help you get started quickly. You can use the cargo-generate command to create a new project with Ratatui:

cargo install --locked cargo-generate
cargo generate ratatui/templates

Selecting the Hello World template produces the following application:

use color_eyre::Result;
use crossterm::event::{self, Event};
use ratatui::{DefaultTerminal, Frame};

fn main() -> Result<()> {
    color_eyre::install()?;
    let terminal = ratatui::init();
    let result = run(terminal);
    ratatui::restore();
    result
}

fn run(mut terminal: DefaultTerminal) -> Result<()> {
    loop {
        terminal.draw(render)?;
        if matches!(event::read()?, Event::Key(_)) {
            break Ok(());
        }
    }
}

fn render(frame: &mut Frame) {
    frame.render_widget("hello world", frame.area());
}

Documentation

You can also watch the EuroRust 2024 talk to learn about common concepts in Ratatui and what's possible to build with it.

Templates

If you're looking to get started quickly, you can use one of the available templates from the templates repository using cargo-generate:

cargo generate ratatui/templates

Built with Ratatui

Awesome

Check out the showcase section of the website, or the awesome-ratatui repository for a curated list of awesome apps and libraries built with Ratatui!

Alternatives

  • Cursive - a ncurses-based TUI library.
  • iocraft - a declarative TUI library.

Contributing

Discord Badge Matrix Badge Forum Badge

Feel free to join our Discord server for discussions and questions! There is also a Matrix bridge available at #ratatui:matrix.org. We have also recently launched the Ratatui Forum.

We rely on GitHub for bugs and feature requests.

Please make sure you read the contributing guidelines before creating a pull request.

If you'd like to show your support, you can add the Ratatui badge to your project's README:

[![Built With Ratatui](https://ratatui.rs/built-with-ratatui/badge.svg)](https://ratatui.rs/)

Built With Ratatui

Acknowledgements

Ratatui was forked from the tui-rs crate in 2023 in order to continue its development. None of this could be possible without Florian Dehau who originally created tui-rs which inspired many Rust TUIs.

Special thanks to Pavel Fomchenkov for his work in designing an awesome logo for the Ratatui project and organization.

License

This project is licensed under the MIT License.

Description
A Rust crate for cooking up terminal user interfaces (TUIs) 👨‍🍳🐀 https://ratatui.rs
Readme MIT 153 MiB
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Rust 100%