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use crossterm::event::{self, Event, KeyCode, KeyEventKind};
use std::sync::{
atomic::Ordering::Relaxed,
mpsc::{Receiver, Sender},
};
use super::{EXERCISE_RUNNING, WatchEvent};
pub enum InputEvent {
Next,
Run,
Hint,
List,
CheckAll,
Reset,
Quit,
}
pub fn terminal_event_handler(
sender: Sender<WatchEvent>,
unpause_receiver: Receiver<()>,
manual_run: bool,
) {
let last_watch_event = loop {
match event::read() {
Ok(Event::Key(key)) => {
match key.kind {
KeyEventKind::Release | KeyEventKind::Repeat => continue,
KeyEventKind::Press => (),
}
if EXERCISE_RUNNING.load(Relaxed) {
continue;
}
let input_event = match key.code {
KeyCode::Char('n') => InputEvent::Next,
KeyCode::Char('r') if manual_run => InputEvent::Run,
KeyCode::Char('h') => InputEvent::Hint,
KeyCode::Char('l') => break WatchEvent::Input(InputEvent::List),
KeyCode::Char('c') => InputEvent::CheckAll,
KeyCode::Char('x') => {
if sender.send(WatchEvent::Input(InputEvent::Reset)).is_err() {
return;
}
// Pause input until quitting the confirmation prompt.
if unpause_receiver.recv().is_err() {
return;
};
continue;
}
KeyCode::Char('q') => break WatchEvent::Input(InputEvent::Quit),
_ => continue,
};
if sender.send(WatchEvent::Input(input_event)).is_err() {
return;
}
}
Ok(Event::Resize(width, _)) => {
if sender.send(WatchEvent::TerminalResize { width }).is_err() {
return;
}
}
Ok(Event::FocusGained | Event::FocusLost | Event::Mouse(_)) => continue,
Err(e) => break WatchEvent::TerminalEventErr(e),
}
};
let _ = sender.send(last_watch_event);
}
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