mirror of
https://github.com/ratatui-org/ratatui
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2805dddf05
This is a simple logo widget that can be used to render the Ratatui logo
in the terminal. It is used in the `examples/ratatui-logo.rs` example,
and may be used in your applications' help or about screens.
```rust
use ratatui::{Frame, widgets::RatatuiLogo};
fn draw(frame: &mut Frame) {
frame.render_widget(RatatuiLogo::tiny(), frame.area());
}
```
54 lines
1.8 KiB
Rust
54 lines
1.8 KiB
Rust
//! # [Ratatui] Logo 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/ratatui
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//! [examples]: https://github.com/ratatui/ratatui/blob/main/examples
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//! [examples readme]: https://github.com/ratatui/ratatui/blob/main/examples/README.md
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use std::env::args;
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use color_eyre::Result;
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use crossterm::event::{self, Event};
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use ratatui::{
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layout::{Constraint, Layout},
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widgets::{RatatuiLogo, RatatuiLogoSize},
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DefaultTerminal, TerminalOptions, Viewport,
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};
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fn main() -> Result<()> {
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color_eyre::install()?;
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let terminal = ratatui::init_with_options(TerminalOptions {
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viewport: Viewport::Inline(3),
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});
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let size = match args().nth(1).as_deref() {
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Some("small") => RatatuiLogoSize::Small,
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Some("tiny") => RatatuiLogoSize::Tiny,
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_ => RatatuiLogoSize::default(),
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};
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let result = run(terminal, size);
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ratatui::restore();
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println!();
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result
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}
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fn run(mut terminal: DefaultTerminal, size: RatatuiLogoSize) -> Result<()> {
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loop {
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terminal.draw(|frame| {
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use Constraint::{Fill, Length};
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let [top, bottom] = Layout::vertical([Length(1), Fill(1)]).areas(frame.area());
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frame.render_widget("Powered by", top);
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frame.render_widget(RatatuiLogo::new(size), bottom);
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})?;
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if matches!(event::read()?, Event::Key(_)) {
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break Ok(());
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}
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}
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}
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