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Navbar shrinks when you scroll down the page #21

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Navbar shrinks when you scroll down the page #21

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25 changes: 23 additions & 2 deletions components/Navbar.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -4,17 +4,37 @@ import Link from "next/link";
import ThemeToggle from "./ThemeToggle";
import CollapsibleSearch from "./CollapsibleSearch";
import Image from "next/image";
import { useState } from "react";
import React, { useState } from "react";

const Navbar = () => {
const [viewSubSection, setViewSubSection] = useState(false);
const [isNavbarShrunk, setIsNavbarShrunk] = useState(false);
var mouseY = 0
function toggleMenu() {
setViewSubSection(!viewSubSection);
}
React.useEffect(() => {
window.addEventListener("scroll", handleScroll);
window.addEventListener('mousemove', (event) => {
mouseY = event.clientY;
handleScroll();
});
},[]);

const handleScroll = () => {
const threshold = 600.0; // Adjust this value to determine when the navbar should shrink

if (mouseY < 50.0) {
setIsNavbarShrunk(false);}
else if (window.scrollY > threshold) {
setIsNavbarShrunk(true);}
else {
setIsNavbarShrunk(false);}
}

return (
<div id={styles.nav_parent}>
<nav id={styles.nav}>
<nav id={styles.nav} style={isNavbarShrunk ? {display: 'none'} : {}}>
<div
id={styles.hamburgerMenu}
className="button"
Expand Down Expand Up @@ -61,6 +81,7 @@ const Navbar = () => {
<div
id={styles.department_bar}
className={viewSubSection ? "" : styles.hide}
style={isNavbarShrunk ? {paddingTop: '10px'} : {}}
>
<span>
<Link href="/department/news">News</Link>
Expand Down