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//! # [Ratatui] Minimal example | ||
//! | ||
//! The latest version of this example is available in the [examples] folder in the repository. | ||
//! | ||
//! Please note that the examples are designed to be run against the `main` branch of the Github | ||
//! repository. This means that you may not be able to compile with the latest release version on | ||
//! crates.io, or the one that you have installed locally. | ||
//! | ||
//! See the [examples readme] for more information on finding examples that match the version of the | ||
//! library you are using. | ||
//! | ||
//! [Ratatui]: https://github.com/ratatui-org/ratatui | ||
//! [examples]: https://github.com/ratatui-org/ratatui/blob/main/examples | ||
//! [examples readme]: https://github.com/ratatui-org/ratatui/blob/main/examples/README.md | ||
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use crossterm::{ | ||
event::{self, Event, KeyCode, KeyEventKind}, | ||
execute, | ||
terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen}, | ||
}; | ||
use ratatui::{backend::CrosstermBackend, text::Text, Terminal}; | ||
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/// This is a bare minimum example. There are many approaches to running an application loop, so | ||
/// this is not meant to be prescriptive. See the [examples] folder for more complete examples. | ||
/// In particular, the [hello-world] example is a good starting point. | ||
/// | ||
/// [examples]: https://github.com/ratatui-org/ratatui/blob/main/examples | ||
/// [hello-world]: https://github.com/ratatui-org/ratatui/blob/main/examples/hello_world.rs | ||
fn main() -> Result<(), Box<dyn std::error::Error>> { | ||
let mut terminal = Terminal::new(CrosstermBackend::new(std::io::stdout()))?; | ||
enable_raw_mode()?; | ||
execute!(terminal.backend_mut(), EnterAlternateScreen)?; | ||
loop { | ||
terminal.draw(|frame| frame.render_widget(Text::raw("Hello World!"), frame.size()))?; | ||
if let Event::Key(key) = event::read()? { | ||
if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('q') { | ||
break; | ||
} | ||
} | ||
} | ||
disable_raw_mode()?; | ||
execute!(terminal.backend_mut(), LeaveAlternateScreen)?; | ||
Ok(()) | ||
} |