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|
use core::fmt;
use std::{
collections::HashMap,
sync::{Arc, Mutex},
};
use ratatui::crossterm::event::KeyEvent;
use crate::lua::runnable::Runnable;
type KeyMapHandler = Arc<Mutex<dyn Runnable<(), bool>>>;
#[derive(Default, Clone)]
pub struct KeyMapStore {
store: Option<HashMap<KeyEvent, KeyMapHandler>>,
}
impl KeyMapStore {
pub const fn new() -> Self {
Self { store: None }
}
pub fn get(&mut self, event: KeyEvent) -> Option<Arc<Mutex<dyn Runnable<(), bool>>>> {
match &self.store {
Some(store) => match store.get(&event) {
Some(func) => Some(Arc::clone(func)),
None => None,
},
None => {
self.store = Some(HashMap::new());
None
}
}
}
pub fn map(&mut self, event: KeyEvent, func: impl Runnable<(), bool> + 'static) {
match &self.store {
Some(_) => {}
None => self.store = Some(HashMap::new()),
}
if let Some(store) = &mut self.store {
store.insert(event, Arc::new(Mutex::new(func)));
}
}
}
impl fmt::Debug for KeyMapStore {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "KeyMapStore")
}
}
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