Unlike the Windows Vista/7 Gadgets, the Longhorn Sidebar was a docked, permanent panel. The simulator replicates:
While the Windows Longhorn Simulator is a marvel of reverse engineering, it has three critical flaws that any user should know: windows longhorn simulator
The term "simulator" encompasses several different methods of recreation, each with varying levels of complexity and accuracy. Unlike the Windows Vista/7 Gadgets, the Longhorn Sidebar
Save the code below as an .html file and open it in your browser. meta name="viewport" content="width=device-width
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Windows Longhorn Build 4074 Simulator</title>
<style>
/* --- RESET & BASE --- */
* margin: 0; padding: 0; box-sizing: border-box; user-select: none;
body
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
overflow: hidden;
height: 100vh;
background: #000;
/* --- DESKTOP --- */
#desktop
width: 100%; height: 100%;
background: radial-gradient(circle at bottom right, #1a2980, #0f172a);
position: relative;
/* --- SIDEBAR (Longhorn Signature Feature) --- */
#sidebar
position: absolute;
right: 0; top: 0; bottom: 0;
width: 180px;
background: rgba(20, 30, 50, 0.85);
border-left: 1px solid rgba(255, 255, 255, 0.2);
backdrop-filter: blur(10px);
display: flex;
flex-direction: column;
padding: 10px;
z-index: 500;
box-shadow: -2px 0 10px rgba(0,0,0,0.5);
.sidebar-tile
background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
border: 1px solid rgba(255,255,255,0.2);
border-radius: 8px;
padding: 10px;
margin-bottom: 8px;
color: white;
font-size: 12px;
box-shadow: 0 2px 5px rgba(0,0,0,0.2);
.sidebar-tile h3 font-size: 13px; margin-bottom: 5px; font-weight: 600;
.sidebar-tile p opacity: 0.8; line-height: 1.3;
/* Slideshow Tile */
#slideshow-img
width: 100%; height: 80px;
background-size: cover;
background-position: center;
border-radius: 4px;
margin-top: 5px;
border: 1px solid rgba(0,0,0,0.3);
/* --- TASKBAR (Longhorn Concept) --- */
#taskbar
position: absolute;
bottom: 0; left: 0; right: 180px; /* Stop before sidebar */
height: 40px;
background: rgba(10, 15, 25, 0.8);
border-top: 1px solid rgba(255,255,255,0.2);
backdrop-filter: blur(10px);
display: flex;
align-items: center;
padding: 0 10px;
z-index: 1000;
#start-btn
background: linear-gradient(180deg, #3498db, #2980b9);
color: white;
border: 1px solid rgba(255,255,255,0.3);
padding: 5px 15px;
border-radius: 20px;
font-weight: bold;
cursor: pointer;
box-shadow: 0 0 10px rgba(52, 152, 219, 0.5);
text-shadow: 0 1px 2px rgba(0,0,0,0.3);
transition: all 0.2s;
#start-btn:hover filter: brightness(1.2); box-shadow: 0 0 15px rgba(52, 152, 219, 0.8);
#start-btn:active transform: scale(0.95);
#taskbar-programs
display: flex;
margin-left: 15px;
height: 100%;
align-items: center;
gap: 5px;
.taskbar-item
background: rgba(255,255,255,0.1);
border: 1px solid rgba(255,255,255,0.1);
height: 30px;
width: 140px;
border-radius: 4px;
color: white;
display: flex;
align-items: center;
padding: 0 10px;
font-size: 11px;
cursor: pointer;
.taskbar-item:hover background: rgba(255,255,255,0.2);
.taskbar-item.active background: rgba(255,255,255,0.3); border-bottom: 2px solid #3498db;
/* --- START ORB MENU (Floating) --- */
#start-menu
position: absolute;
bottom: 45px; left: 10px;
width: 300px;
height: 400px;
background: rgba(20, 30, 40, 0.9);
border: 1px solid rgba(255,255,255,0.3);
border-radius: 8px;
backdrop-filter: blur(20px);
display: none;
flex-direction: column;
box-shadow: 0 0 30px rgba(0,0,0,0.5);
z-index: 2000;
overflow: hidden;
#start-menu.visible display: flex;
.start-header
padding: 15px;
background: linear-gradient(90deg, #3498db, #2c3e50);
color: white;
font-size: 18px;
font-weight: 300;
letter-spacing: 1px;
.start-search
padding: 10px;
background: rgba(0,0,0,0.2);
border-bottom: 1px solid rgba(255,255,255,0.1);
.start-search input
width: 100%;
padding: 8px;
border-radius: 15px;
border: none;
background: rgba(255,255,255,0.9);
outline: none;
font-family: inherit;
.start-list
flex: 1;
padding: 10px;
color: white;
overflow-y: auto;
.start-item
padding: 8px;
cursor: pointer;
border-radius: 4px;
display: flex;
align-items: center;
gap: 10px;
.start-item:hover background: rgba(255,255,255,0.1);
.start-icon
width: 24px; height: 24px;
background: #ddd;
border-radius: 4px;
/* --- WINDOW MANAGER --- */
.window
position: absolute;
min-width: 300px; min-height: 200px;
background: rgba(225, 230, 240, 0.9); /* Classic Longhorn 'Jade'-ish feel */
border: 1px solid rgba(255,255,255,0.5);
border-radius: 8px;
box-shadow: 5px 5px 20px rgba(0,0,0,0.4);
display: flex;
flex-direction: column;
backdrop-filter: blur(5px);
overflow: hidden;
top: 50px; left: 50px;
.window.maximized
top: 0 !important; left: 0 !important;
width: calc(100% - 180px) !important; height: calc(100% - 40px) !important;
border-radius: 0;
.title-bar
height: 30px;
background: linear-gradient(180deg, #4a6a8a, #3a5a7a);
display: flex;
align-items: center;
justify-content: space-between;
padding: 0 10px;
cursor: move;
color: white;
font-size: 12px;
text-shadow: 0 1px 1px rgba(0,0,0,0.5);
flex-shrink: 0;
.title-bar-controls
display: flex;
gap: 5px;
.title-btn
width: 20px; height: 20px;
border-radius: 50%;
border: none;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
font-size: 10px;
color: white;
background: rgba(255,255,255,0.2);
.title-btn:hover background: rgba(255,255,255,0.4);
.title-btn.close:hover background: #e74c3c;
.window-content
flex: 1;
padding: 15px;
color: #333;
overflow: auto;
background: rgba(255,255,255,0.6);
/* --- EXPLORER UI SIMULATION --- */
.explorer-nav
display: flex;
gap: 10px;
background: rgba(200, 210, 220, 0.5);
padding: 5px;
border-bottom: 1px solid rgba(255,255,255,0.5);
.nav-btn
padding: 5px 10px;
background: rgba(255,255,255,0.4);
border: 1px solid rgba(0,0,0,0.1);
border-radius: 3px;
cursor: pointer;
.file-grid
display: grid;
grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
gap: 15px;
margin-top: 15px;
.file-icon
display: flex;
flex-direction: column;
align-items: center;
text-align: center;
padding: 5px;
cursor: pointer;
.file-icon:hover background: rgba(52, 152, 219, 0.2);
.file-img
width: 48px; height: 48px;
background: #f1c40f; /* Folder color */
margin-bottom: 5px;
border-radius: 4px;
display: flex;
align-items: center;
justify-content: center;
color: white;
font-size: 20px;
/* --- DESKTOP ICONS --- */
.desktop-icon
position: absolute;
width: 80px;
color: white;
text-align: center;
padding: 5px;
cursor: pointer;
border: 1px solid transparent;
.desktop-icon:hover
background: rgba(52, 152, 219, 0.3);
border: 1px dotted rgba(255,255,255,0.5);
.desktop-icon img, .desktop-icon .icon-replacer
width: 48px; height: 48px;
margin: 0 auto 5px auto;
background: rgba(255,255,255,0.1);
border-radius: 4px;
display: flex;
align-items: center;
justify-content: center;
.desktop-icon span font-size: 11px; text-shadow: 1px 1px 2px black;
</style>
</head>
<body>
<div id="desktop">
<!-- Desktop Icons -->
<div class="desktop-icon" style="top: 20px; left: 20px;" ondblclick="openWindow('explorer')">
<div class="icon-replacer" style="background:#f1c40f; color:white; font-size:24px;">📁</div>
<span>My Documents</span>
</div>
<div class="desktop-icon" style="top: 110px; left: 20px;" ondblclick="openWindow('browser')">
<div class="icon-replacer" style="background:#3498db; color:white; font-size:24px;">🌐</div>
<span>Internet Explorer</span>
</div>
<div class="desktop-icon" style="top: 200px; left: 20px;" ondblclick="openWindow('settings')">
<div class="icon-replacer" style="background:#95a5a6; color:white; font-size:24px;">⚙️</div>
<span>WinFS Config</span>
</div>
<!-- Sidebar -->
<div id="sidebar">
<div class="sidebar-tile">
<h3>🖥️ System Monitor</h3>
<p>CPU: 12% <br> MEM: 45% <br> WinFS Indexing: 99%</p>
</div>
<div class="sidebar-tile">
<h3>🕐 Clock</h3>
<p id="clock-display">12:00 PM</p>
<p style="font-size:10px; margin-top:2px;">Friday, October 2004</p>
</div>
<div class="sidebar-tile">
<h3>🖼️ Slideshow</h3>
<div id="slideshow-img" style="background-image: url('https://placehold.co/150x100/2980b9/fff?text=Scenery');"></div>
</div>
</div>
<!-- Taskbar -->
<div id="taskbar">
<button id="start-btn" onclick="toggleStartMenu()">Start</button>
<div id="taskbar-programs"></div>
</div>
<!-- Start Menu -->
<div id="start-menu">
<div class="start-header">Longhorn</div>
<div class="start-search">
<input type="text" placeholder="Search WinFS...">
</div>
<div class="start-list">
<div class="start-item" onclick="openWindow('explorer'); toggleStartMenu();">
<div class="start-icon" style="background:#f1c40f; text-align:center; font-size:16px;">📁</div> Documents
</div>
<div class="start-item" onclick="openWindow('browser'); toggleStartMenu();">
<div class="start-icon" style="background:#3498db; text-align:center; font-size:16px;">🌐</div> Internet
</div>
<div class="start-item" onclick="openWindow('settings'); toggleStartMenu();">
<div class="start-icon" style="background:#95a5a6; text-align:center; font-size:16px;">⚙️</div> Control Panel
</div>
<div class="start-item" style="position:absolute; bottom:10px; width:90%;">
<div class="start-icon" style="background:#e74c3c; text-align:center; font-size:16px;">⏻</div> Shutdown
</div>
</div>
</div>
<!-- Window Container -->
<div id="window-container"></div>
</div>
<script>
// --- Window Management System ---
let windowCount = 0;
let activeWindow = null;
const apps =
explorer:
title: "My Documents",
content: `
<div class="explorer-nav">
<button class="nav-btn">Back</button>
<button class="nav-btn">Forward</button>
<button class="nav-btn">Up</button>
</div>
<div style="padding: 10px;">
<h3>Folders</h3>
<div class="file-grid">
<div class="file-icon"><div class="file-img">📁</div><span>Projects</span></div>
<div class="file-icon"><div class="file-img" style="background:#3498db;">📁</div><span>Photos</span></div>
<div class="file-icon"><div class="file-img" style="background:#e74c3c;">📁</div><span>Videos</span></div>
<div class="file-icon"><div class="file-img" style="background:#2ecc71;">📝</div><span>Readme.txt</span></div>
</div>
</div>
`
,
browser:
title: "Internet Explorer 7",
content: `
<div class="explorer-nav">
<input type="text" value="http://www.longhorn.test" style="flex:1; padding:5px; border-radius:3px; border:1px solid #ccc;">
</div>
<div style="padding:20px; text-align:center; background:white; height:100%;">
<h1 style="color:#2c3e50;">Welcome to Longhorn Web</h1>
<p style="color:#7f8c8d;">Simulated browsing experience.</p>
</div>
`
,
settings:
title: "WinFS Configuration",
content: `
<div style="padding: 10px;">
<h3>WinFS Store Status</h3>
<p style="color:#555;">Store Location: C:\\WinFS\\Store</p>
<p style="color:#555;">Items Indexed: 14,203</p>
<hr style="margin: 10px 0; border:0; border-top:1px solid #bbb;">
<div style="background:#ecf0f1; padding:10px; border-radius:4px; border:1px solid #bdc3c7;">
<strong>Experimental Feature:</strong>
<p>Enable Relational File System</p>
<button style="margin-top:5px; padding:5px 15px; background:#3498db; color:white; border:none; border-radius:10px;">Enable</button>
</div>
</div>
`
;
function openWindow(appName)
const app = apps[appName];
if (!app) return;
windowCount++;
const winId = `window-$windowCount`;
const winHtml = `
<div class="window" id="$winId" style="z-index: $100 + windowCount; width: 500px; height: 350px;">
<div class="title-bar" onmousedown="startDrag(event, '$winId')">
<span>$app.title</span>
<div class="title-bar-controls">
<button class="title-btn" onclick="minimizeWin('$winId')">_</button>
<button class="title-btn" onclick="maximizeWin('$winId')">□</button>
<button class="title-btn close" onclick="closeWin('$winId')">×</button>
</div>
</div>
<div class="window-content">
$app.content
</div>
</div>
`;
document.getElementById('window-container').insertAdjacentHTML('beforeend', winHtml);
addTaskbarItem(winId, app.title);
focusWindow(winId);
function closeWin(id)
const win = document.getElementById(id);
if(win) win.remove();
removeTaskbarItem(id);
function minimizeWin(id)
const win = document.getElementById(id);
if(win) win.style.display = 'none';
// In a real OS, clicking the taskbar item would restore it
function maximizeWin(id)
const win = document.getElementById(id);
if(win) win.classList.toggle('maximized');
function focusWindow(id)
const win = document.getElementById(id);
if (!win) return;
win.style.zIndex = 1000;
if (activeWindow && activeWindow !== id)
const oldWin = document.getElementById(activeWindow);
if(oldWin) oldWin.style.zIndex = 100;
activeWindow = id;
win.style.display = 'flex'; // Restore if minimized
updateTaskbarActive(id);
function toggleStartMenu()
const menu = document.getElementById('start-menu');
menu.classList.toggle('visible');
// --- Taskbar Items ---
function addTaskbarItem(id, title)
const bar = document.getElementById('taskbar-programs');
const item = document.createElement('div');
item.className = 'taskbar-item active';
item.id = `task-$id`;
item.innerText = title;
item.onclick = () =>
const win = document.getElementById(id);
if (win.style.display === 'none') win.style.display = 'flex';
focusWindow(id);
;
bar.appendChild(item);
function removeTaskbarItem(id)
const item = document.getElementById(`task-$id`);
if(item) item.remove();
function updateTaskbarActive(id)
document.querySelectorAll('.taskbar-item').forEach(el => el.classList.remove('active'));
const item = document.getElementById(`task-$id`);
if(item) item.classList.add('active');
// --- Dragging Logic ---
let isDragging = false;
let currentDragId = null;
let offset = x: 0, y: 0 ;
function startDrag(e, id)
focusWindow(id);
isDragging = true;
currentDragId = id;
const win = document.getElementById(id);
offset.x = e.clientX - win.offsetLeft;
offset.y = e.clientY - win.offsetTop;
document.addEventListener('mousemove', (e) =>
if (isDragging && currentDragId)
const win = document.getElementById(currentDragId);
if (win.classList.contains('maximized')) return; // Don't drag maximized
let newLeft = e.clientX - offset.x;
let newTop = e.clientY - offset.y;
// Basic bounds check
win.style.left = `$newLeftpx`;
win.style.top = `$newToppx`;
);
document.addEventListener('mouseup', () =>
isDragging = false;
currentDragId = null;
);
// --- Sidebar Clock ---
function updateClock()
const now = new Date();
const timeStr = now.toLocaleTimeString([], hour: '2-digit', minute: '2-digit' );
document.getElementById('clock-display').innerText = timeStr;
setInterval(updateClock, 1000);
updateClock();
// Click outside start menu to close
document.addEventListener('click', (e) =>
const menu = document.getElementById('start-menu');
const btn = document.getElementById('start-btn');
if (!menu.contains(e.target) && !btn.contains(e.target) && menu.classList.contains('visible'))
menu.classList.remove('visible');
);
</script>
</body>
</html>