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c32d689..bf81f6d 100644 --- a/src/cli.rs +++ b/src/cli.rs @@ -2,7 +2,7 @@ use clap::Parser; #[derive(Parser, Debug)] pub struct Cli { - #[clap(short, long, default_value = "127.0.0.1:8080")] + #[clap(short, long, default_value = "127.0.0.1:12345")] pub address: String, #[clap(short, long, default_value = "false")] diff --git a/src/main.rs b/src/main.rs index 92b2e43..6744c8a 100644 --- a/src/main.rs +++ b/src/main.rs @@ -3,16 +3,30 @@ pub mod cli; use std::{ io::{self, BufRead, BufReader, Write}, net::{TcpListener, TcpStream}, + time::Duration, }; use clap::Parser; use cli::Cli; +use ratatui::{ + crossterm::event::{self, KeyCode}, + layout::{Constraint, Direction, Layout}, + text::{Line, Span}, + widgets::{Block, Borders, Paragraph, Widget}, +}; +use tui_textarea::TextArea; + +fn make_textarea<'a>() -> TextArea<'a> { + let mut ta = TextArea::default(); + ta.set_block(Block::default().borders(Borders::ALL)); + ta +} fn main() { let args = Cli::parse(); let mut stream = if args.listen { - println!("Listening on 127.0.0.1:12345"); + println!("Listening on {}", args.address); let listener = TcpListener::bind(args.address).unwrap(); let (stream, addr) = listener.accept().unwrap(); @@ -22,7 +36,8 @@ fn main() { TcpStream::connect(args.address).unwrap() }; - stream.write_all(b"Whats up?").unwrap(); + let (tx_send_msg, rx_send_msg) = std::sync::mpsc::channel::(); + let (tx_read_msg, rx_read_msg) = std::sync::mpsc::channel::(); let listener_thread = { let mut reader = BufReader::new(stream.try_clone().unwrap()); @@ -30,23 +45,79 @@ fn main() { loop { let mut r = String::new(); reader.read_line(&mut r).unwrap(); - println!("{}", r); + tx_read_msg.send(r).unwrap(); } }) }; let writer_thread = { - let mut stdin = BufReader::new(io::stdin()); std::thread::spawn(move || { loop { - let mut input = String::new(); - stdin.read_line(&mut input).unwrap(); - + let input = rx_send_msg.recv().unwrap(); stream.write_all(input.as_bytes()).unwrap(); + stream.write_all(b"\n").unwrap(); } }) }; + { + let mut terminal = ratatui::init(); + + let mut textarea = make_textarea(); + + let mut messages = Vec::new(); + + loop { + match rx_read_msg.try_recv() { + Ok(msg) => { + messages.push(msg); + } + Err(std::sync::mpsc::TryRecvError::Empty) => {} + Err(std::sync::mpsc::TryRecvError::Disconnected) => break, + } + + terminal + .draw(|f| { + let [top, bottom] = Layout::default() + .direction(Direction::Vertical) + .constraints([Constraint::Fill(1), Constraint::Length(4)]) + .areas(f.area()); + f.render_widget(&textarea, bottom); + + f.render_widget( + Paragraph::new( + messages + .iter() + .map(|it| Line::from(it.clone())) + .collect::>(), + ), + top, + ); + }) + .unwrap(); + + if event::poll(Duration::from_millis(50)).unwrap() { + match event::read() { + Ok(event::Event::Key(key)) => match key.code { + KeyCode::Esc => break, + KeyCode::Enter => { + let old_textarea = std::mem::replace(&mut textarea, make_textarea()); + let msg = old_textarea.into_lines().join("\n"); + tx_send_msg.send(msg).unwrap(); + } + _ => { + textarea.input(key); + } + }, + Ok(_) => {} + Err(_) => panic!("Error"), + } + } + } + + ratatui::restore(); + } + writer_thread.join().unwrap(); listener_thread.join().unwrap();