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use crossterm::event::{self, Event, KeyCode, KeyEventKind, KeyModifiers};
use std::sync::mpsc::Sender;
use super::WatchEvent;
pub enum InputEvent {
Run,
Next,
Hint,
List,
Quit,
Unrecognized,
}
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 => (),
}
if key.modifiers != KeyModifiers::NONE {
continue;
}
if let KeyCode::Char(c) = key.code {
let input_event = match c {
'n' => InputEvent::Next,
'h' => InputEvent::Hint,
'l' => break InputEvent::List,
'q' => break InputEvent::Quit,
'r' if manual_run => InputEvent::Run,
_ => InputEvent::Unrecognized,
};
if tx.send(WatchEvent::Input(input_event)).is_err() {
return;
}
}
}
Event::Resize(_, _) => {
if tx.send(WatchEvent::TerminalResize).is_err() {
return;
}
}
Event::FocusGained | Event::FocusLost | Event::Mouse(_) | Event::Paste(_) => continue,
}
};
let _ = tx.send(WatchEvent::Input(last_input_event));
}
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