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