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| 1 | +use clap::Parser; |
| 2 | +use crossterm::event::{self, Event, KeyEvent, KeyEventKind}; |
| 3 | +use rand::Rng; |
| 4 | +use ratatui::{DefaultTerminal, Frame}; |
| 5 | +use tui_bar_graph::{BarGraph, BarStyle, ColorMode}; |
| 6 | + |
| 7 | +#[derive(Debug, Parser)] |
| 8 | +struct Args { |
| 9 | + /// The style of bar to render (solid or braille) |
| 10 | + #[arg(default_value_t = BarStyle::Braille)] |
| 11 | + bar_style: BarStyle, |
| 12 | +} |
| 13 | + |
| 14 | +fn main() -> color_eyre::Result<()> { |
| 15 | + let args = Args::parse(); |
| 16 | + color_eyre::install()?; |
| 17 | + let terminal = ratatui::init(); |
| 18 | + let result = run(terminal, &args); |
| 19 | + ratatui::restore(); |
| 20 | + result |
| 21 | +} |
| 22 | + |
| 23 | +fn run(mut terminal: DefaultTerminal, args: &Args) -> color_eyre::Result<()> { |
| 24 | + loop { |
| 25 | + terminal.draw(|frame| render(frame, args))?; |
| 26 | + if matches!( |
| 27 | + event::read()?, |
| 28 | + Event::Key(KeyEvent { |
| 29 | + kind: KeyEventKind::Press, |
| 30 | + .. |
| 31 | + }) |
| 32 | + ) { |
| 33 | + break Ok(()); |
| 34 | + } |
| 35 | + } |
| 36 | +} |
| 37 | + |
| 38 | +fn render(frame: &mut Frame, args: &Args) { |
| 39 | + let width = match args.bar_style { |
| 40 | + BarStyle::Solid => frame.area().width as usize, |
| 41 | + BarStyle::Braille => frame.area().width as usize * 2, |
| 42 | + }; |
| 43 | + let mut data = vec![0.0; width]; |
| 44 | + rand::rng().fill(&mut data[..]); |
| 45 | + |
| 46 | + let bar_graph = BarGraph::new(data) |
| 47 | + .with_gradient(colorgrad::preset::turbo()) |
| 48 | + .with_color_mode(ColorMode::VerticalGradient) |
| 49 | + .with_bar_style(args.bar_style); |
| 50 | + frame.render_widget(bar_graph, frame.area()); |
| 51 | +} |
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