112 lines
3.6 KiB
Rust
112 lines
3.6 KiB
Rust
use std::{collections::HashMap, io::stdout, time::Duration};
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use futures::{future::FutureExt, select, StreamExt};
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use futures_timer::Delay;
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use crossterm::{
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cursor::position,
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event::{DisableMouseCapture, EnableMouseCapture, Event, EventStream, KeyCode, KeyEvent},
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execute,
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terminal::{disable_raw_mode, enable_raw_mode},
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};
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async fn set_cutoff(cutoff: f64, freq: f64) -> Result<(), reqwest::Error> {
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// Some simple CLI args requirements...
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let url = format!("http://localhost:3000/cutoff");
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let mut map = HashMap::new();
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map.insert("min_cutoff", cutoff);
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map.insert("max_cutoff", cutoff + 10.0);
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map.insert("freq_hz", freq);
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let client = reqwest::Client::new();
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let res = client.post(url).json(&map).send().await?;
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// eprintln!("Response: {:?} {}", res.version(), res.status());
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// eprintln!("Headers: {:#?}\n", res.headers());
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// let body = res.text().await?;
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// println!("{body}");
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Ok(())
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}
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const HELP: &str = r#"EventStream based on futures_util::Stream with tokio
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- Keyboard, mouse and terminal resize events enabled
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- Prints "." every second if there's no event
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- Hit "c" to print current cursor position
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- Use Esc to quit
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"#;
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async fn print_events() {
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let mut reader = EventStream::new();
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let mut cutoff = 30.0;
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let mut last_cutoff = cutoff;
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let mut freq = 1.0;
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loop {
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let mut delay = Delay::new(Duration::from_millis(1_000)).fuse();
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let mut event = reader.next().fuse();
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let mut change = false;
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select! {
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_ = delay => {
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},
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maybe_event = event => {
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match maybe_event {
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Some(Ok(event)) => {
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if event == Event::Key(KeyCode::Char('c').into()) {
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println!("Cursor position: {:?}\r", position());
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}
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if event == Event::Key(KeyCode::Esc.into()) {
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break;
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}
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if let Event::Key(k) = event {
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if let KeyCode::Char(c) = k.code {
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change = true;
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match c {
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'[' => {
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cutoff -= 1.0;
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}
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']' => {
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cutoff += 1.0;
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}
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'1' => {
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freq *= 0.9;
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}
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'2' => {
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freq *= 1.1;
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}
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_ => {
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change = false;
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}
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}
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}
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}
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if change {
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set_cutoff(cutoff, freq).await.unwrap();
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println!("cutoff = {}\r", cutoff);
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}
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}
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Some(Err(e)) => println!("Error: {:?}\r", e),
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None => break,
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}
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}
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};
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}
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}
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#[tokio::main]
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async fn main() -> std::io::Result<()> {
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println!("{}", HELP);
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enable_raw_mode()?;
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let mut stdout = stdout();
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execute!(stdout, EnableMouseCapture)?;
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print_events().await;
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execute!(stdout, DisableMouseCapture)?;
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disable_raw_mode()
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}
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