95 lines
2.4 KiB
Rust
95 lines
2.4 KiB
Rust
use std::sync::{Arc, Mutex};
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use std::{thread, time};
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use crossterm::{
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cursor, input, terminal, ClearType, Crossterm, InputEvent, KeyEvent, RawScreen, Result,
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Terminal, TerminalCursor,
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};
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fn log(input_buf: Arc<Mutex<String>>) -> Vec<thread::JoinHandle<()>> {
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let mut threads = Vec::with_capacity(10);
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let (_, term_height) = terminal().terminal_size();
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for i in 0..1 {
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let input_buffer = input_buf.clone();
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let crossterm = Crossterm::new();
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let join = thread::spawn(move || {
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let cursor = crossterm.cursor();
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let terminal = crossterm.terminal();
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for j in 0..1000 {
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if let Err(_) = swap_write(
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format!("Some output: {} from thread: {}", j, i).as_ref(),
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&input_buffer.lock().unwrap(),
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&terminal,
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&cursor,
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term_height,
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) {
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return;
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}
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thread::sleep(time::Duration::from_millis(100));
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}
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});
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threads.push(join);
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}
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threads
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}
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fn swap_write(
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msg: &str,
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input_buf: &String,
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terminal: &Terminal,
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cursor: &TerminalCursor,
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term_height: u16,
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) -> Result<()> {
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cursor.goto(0, term_height)?;
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terminal.clear(ClearType::CurrentLine)?;
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terminal.write(format!("{}\r\n", msg))?;
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terminal.write(format!("> {}", input_buf)).map(|_| ())
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}
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// cargo run --example command_bar
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fn main() -> Result<()> {
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let _screen = RawScreen::into_raw_mode();
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cursor().hide()?;
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let input_buf = Arc::new(Mutex::new(String::new()));
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let threads = log(input_buf.clone());
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let mut count = 0;
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thread::spawn(move || {
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let input = input();
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let mut stdin = input.read_async();
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loop {
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match stdin.next() {
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Some(InputEvent::Keyboard(KeyEvent::Char('\n'))) => {
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input_buf.lock().unwrap().clear();
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}
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Some(InputEvent::Keyboard(KeyEvent::Char(character))) => {
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input_buf.lock().unwrap().push(character as char);
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}
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_ => {}
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}
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thread::sleep(time::Duration::from_millis(10));
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count += 1;
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}
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})
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.join()
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.expect("Couldn't join");
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for thread in threads {
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thread.join().expect("Couldn't join");
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}
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cursor().show()
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}
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