Files
DECNET/decnet_web/src/hooks/useGlobalHotkeys.ts

99 lines
2.5 KiB
TypeScript

import { useEffect, useRef } from 'react';
import { useNavigate } from 'react-router-dom';
interface Options {
cmdOpen: boolean;
setCmdOpen: (v: boolean | ((prev: boolean) => boolean)) => void;
helpOpen: boolean;
setHelpOpen: (v: boolean | ((prev: boolean) => boolean)) => void;
}
const G_NAV: Record<string, string> = {
d: '/',
f: '/fleet',
m: '/mazenet',
l: '/live-logs',
b: '/bounty',
a: '/attackers',
c: '/config',
s: '/swarm/hosts',
u: '/swarm-updates',
};
const G_TIMEOUT_MS = 800;
function isEditable(el: EventTarget | null): boolean {
if (!(el instanceof HTMLElement)) return false;
const tag = el.tagName;
return tag === 'INPUT' || tag === 'TEXTAREA' || el.isContentEditable;
}
export function useGlobalHotkeys({ cmdOpen, setCmdOpen, helpOpen, setHelpOpen }: Options): void {
const navigate = useNavigate();
const pendingG = useRef(false);
const gTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
useEffect(() => {
const clearG = () => {
pendingG.current = false;
if (gTimer.current) { clearTimeout(gTimer.current); gTimer.current = null; }
};
const onKey = (e: KeyboardEvent) => {
if (e.altKey && e.key.toLowerCase() === 'k') {
e.preventDefault();
setCmdOpen(v => !v);
clearG();
return;
}
if (e.key === 'Escape' && cmdOpen) {
setCmdOpen(false);
clearG();
return;
}
if (cmdOpen || helpOpen) return;
if (isEditable(e.target)) return;
if (e.metaKey || e.ctrlKey || e.altKey) return;
// `?` (Shift+/) — open shortcuts cheatsheet
if (e.key === '?') {
e.preventDefault();
setHelpOpen(true);
clearG();
return;
}
// `/` — focus page search (page listens for the event)
if (e.key === '/') {
e.preventDefault();
window.dispatchEvent(new CustomEvent('decnet:focus-search'));
clearG();
return;
}
const k = e.key.toLowerCase();
if (pendingG.current && G_NAV[k]) {
e.preventDefault();
navigate(G_NAV[k]);
clearG();
return;
}
if (k === 'g') {
pendingG.current = true;
if (gTimer.current) clearTimeout(gTimer.current);
gTimer.current = setTimeout(clearG, G_TIMEOUT_MS);
}
};
window.addEventListener('keydown', onKey);
return () => {
window.removeEventListener('keydown', onKey);
if (gTimer.current) clearTimeout(gTimer.current);
};
}, [cmdOpen, setCmdOpen, helpOpen, setHelpOpen, navigate]);
}