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use crossterm::event::{self, Event, KeyCode, KeyEventKind};
use std::sync::mpsc::Sender;
use super::WatchEvent;
pub enum InputEvent {
Run,
Next,
Hint,
List,
Quit,
}
pub fn terminal_event_handler(tx: Sender<WatchEvent>, manual_run: bool) {
let last_input_event = loop {
let terminal_event = match event::read() {
Ok(v) => v,
Err(e) => {
// If `send` returns an error, then the receiver is dropped and
// a shutdown has been already initialized.
let _ = tx.send(WatchEvent::TerminalEventErr(e));
return;
}
};
match terminal_event {
Event::Key(key) => {
match key.kind {
KeyEventKind::Release | KeyEventKind::Repeat => continue,
KeyEventKind::Press => (),
}
let input_event = match key.code {
KeyCode::Char('n') => InputEvent::Next,
KeyCode::Char('h') => InputEvent::Hint,
KeyCode::Char('l') => break InputEvent::List,
KeyCode::Char('q') => break InputEvent::Quit,
KeyCode::Char('r') if manual_run => InputEvent::Run,
_ => continue,
};
if tx.send(WatchEvent::Input(input_event)).is_err() {
return;
}
}
Event::Resize(width, _) => {
if tx.send(WatchEvent::TerminalResize { width }).is_err() {
return;
}
}
Event::FocusGained | Event::FocusLost | Event::Mouse(_) => continue,
}
};
let _ = tx.send(WatchEvent::Input(last_input_event));
}
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