{
if (e.target === e.currentTarget) {
setSelectedId(null);
}
}}
/>
{mounted && (
<>
{isMobile ? (
)}
{isMobile ? mobileDock : desktopDock}
{groupPanelOpen && (
setLightbox(null)} />}
)}
);
};
```
### `/preview.tsx`
```tsx
"use client";
import { useState } from "react";
import { RotateCcwIcon } from "lucide-react";
import { DesktopOS } from "./desktop-os";
const Preview = () => {
// The boot sequence writes inline styles that React never clears, so replay
// has to be a full remount rather than a timeline restart.
const [bootKey, setBootKey] = useState(0);
return (
(FIRST_NOTE.id);
const [mobileView, setMobileView] = useState<"list" | "detail">("list");
const active = NOTES.find((note) => note.id === activeId) ?? FIRST_NOTE;
const showList = !ctx.isMobile || mobileView === "list";
const showDetail = !ctx.isMobile || mobileView === "detail";
return (
, string> = {
dim: "text-white/45",
ok: "text-[#9fe6c0]",
};
const TERMINAL_LINES: readonly TerminalLine[] = [
{ prompt: true, text: "system --status" },
{ prompt: false, text: "compositor up 16.6ms/frame", tone: "ok" },
{ prompt: false, text: "window server up 6 surfaces", tone: "ok" },
{ prompt: false, text: "dock up magnification on", tone: "ok" },
{ prompt: false, text: "wallpaper up gradient, no bitmap", tone: "dim" },
{ prompt: true, text: "uptime" },
{ prompt: false, text: "2 seconds since boot", tone: "dim" },
];
const TerminalBody = (): ReactNode => {
const [visible, setVisible] = useState(0);
const reducedMotion = useReducedMotion();
useEffect(() => {
if (reducedMotion) {
return;
}
// The count lives in the closure, not in the updater: React may invoke an
// updater twice, and stopping the interval from inside one is a side effect
// that has no business running during a re-render.
let shown = 0;
const id = window.setInterval(() => {
shown += 1;
setVisible(shown);
if (shown >= TERMINAL_LINES.length) {
window.clearInterval(id);
}
}, 190);
return () => window.clearInterval(id);
}, [reducedMotion]);
return (
& {
win: OpenWindow;
ctx: WindowCtx;
}): ReactNode => (
{bodyForWindow(win, ctx)}
);
```
### `/window-frame.tsx`
```tsx
"use client";
import type { PointerEvent as ReactPointerEvent, ReactNode, RefObject } from "react";
import { useEffect, useRef } from "react";
import { gsap } from "gsap";
import { XIcon } from "lucide-react";
import type { OpenWindow } from "./window-types";
export interface FrameProps {
win: OpenWindow;
isMobile: boolean;
sectionRef: RefObject;
onClose: (uid: number) => void;
onFocus: (uid: number) => void;
onMove: (uid: number, x: number, y: number) => void;
/** Required: it is both the visible header label and the dialog's accessible name. */
title: string;
children: ReactNode;
}
/**
* Modelled as a union so "not dragging" cannot carry drag coordinates: the
* previous shape kept a `dragging` boolean beside stale start/origin values,
* and any path that failed to reset it left the window glued to the cursor.
*/
type HeaderDrag =
| { readonly phase: "idle" }
| {
readonly phase: "active";
readonly pointerId: number;
readonly startX: number;
readonly startY: number;
readonly originX: number;
readonly originY: number;
moved: boolean;
last: { readonly x: number; readonly y: number } | null;
};
const clamp = (value: number, min: number, max: number): number =>
Math.min(Math.max(value, min), max);
/**
* Releasing capture schedules a `lostpointercapture`, which routes back into the
* cancel handler — so every caller drops its own state *before* calling this,
* leaving that handler nothing to undo.
*/
const releaseCapture = (el: HTMLElement, pointerId: number): void => {
if (el.hasPointerCapture(pointerId)) {
el.releasePointerCapture(pointerId);
}
};
export const WindowFrame = ({
win,
isMobile,
sectionRef,
onClose,
onFocus,
onMove,
title,
children,
}: FrameProps): ReactNode => {
const frameRef = useRef(null);
const drag = useRef({ phase: "idle" });
// Mount pop. gsap writes inline styles, so the tween owns the rest state too.
useEffect(() => {
const el = frameRef.current;
if (!el) {
return;
}
const reduced = window.matchMedia("(prefers-reduced-motion: reduce)").matches;
if (reduced) {
gsap.set(el, { filter: "none", opacity: 1, scale: 1, y: 0 });
return;
}
const tween = gsap.fromTo(
el,
{ filter: "blur(6px)", opacity: 0, scale: 0.94, y: 14 },
{
duration: 0.36,
ease: "power3.out",
filter: "blur(0px)",
opacity: 1,
scale: 1,
y: 0,
},
);
return () => {
tween.kill();
};
}, []);
/** Undo the gesture's imperative writes and hand `left`/`top` back to React. */
const resetFramePosition = (): void => {
const el = frameRef.current;
if (!el) {
return;
}
el.style.left = `${win.x}px`;
el.style.top = `${win.y}px`;
};
const onHeaderPointerDown = (e: ReactPointerEvent): void => {
if (isMobile) {
return;
}
if (e.button !== 0) {
return;
}
if (drag.current.phase === "active") {
return;
}
if (!(e.target instanceof Element)) {
return;
}
// Traffic lights are inside the drag handle but must stay clickable.
if (e.target.closest("[data-traffic-light]")) {
return;
}
if (!frameRef.current) {
return;
}
onFocus(win.uid);
// Capture on the element that owns these handlers. Capturing on an ancestor
// retargets every later event to that ancestor, where nothing is listening —
// which is to say the drag would never move and never end.
e.currentTarget.setPointerCapture(e.pointerId);
drag.current = {
last: null,
moved: false,
originX: win.x,
originY: win.y,
phase: "active",
pointerId: e.pointerId,
startX: e.clientX,
startY: e.clientY,
};
};
const onHeaderPointerMove = (e: ReactPointerEvent): void => {
const state = drag.current;
if (state.phase !== "active" || state.pointerId !== e.pointerId) {
return;
}
const el = frameRef.current;
const section = sectionRef.current;
if (!el || !section) {
return;
}
const dx = e.clientX - state.startX;
const dy = e.clientY - state.startY;
if (!state.moved && Math.hypot(dx, dy) < 3) {
return;
}
state.moved = true;
const nx = clamp(state.originX + dx, -win.w + 80, section.clientWidth - 80);
const ny = clamp(state.originY + dy, 28, Math.max(28, section.clientHeight - 60));
el.style.left = `${nx}px`;
el.style.top = `${ny}px`;
state.last = { x: nx, y: ny };
};
const onHeaderPointerUp = (e: ReactPointerEvent): void => {
const state = drag.current;
if (state.phase !== "active" || state.pointerId !== e.pointerId) {
return;
}
drag.current = { phase: "idle" };
releaseCapture(e.currentTarget, e.pointerId);
const committed = state.last;
if (state.moved && committed) {
onMove(win.uid, committed.x, committed.y);
}
};
/**
* Alt-tab, a context menu or a cancelled touch ends the gesture without a
* `pointerup`. Drop the drag and redraw from the last committed position
* rather than stranding half a move in the inline style.
*/
const onHeaderPointerCancel = (e: ReactPointerEvent): void => {
const state = drag.current;
if (state.phase !== "active" || state.pointerId !== e.pointerId) {
return;
}
drag.current = { phase: "idle" };
releaseCapture(e.currentTarget, e.pointerId);
resetFramePosition();
};
return (
// oxlint-disable-next-line jsx-a11y/no-noninteractive-element-interactions -- mousedown only raises the window's z-order; focusing anything inside the window reaches the same state from the keyboard
(null);
useEffect(() => {
const el = overlayRef.current;
if (!el) {
return;
}
const tween = gsap.fromTo(
el,
{ opacity: 0 },
{ duration: 0.25, ease: "power2.out", opacity: 1 },
);
return () => {
tween.kill();
};
}, []);
return (
;
export interface WindowCtx {
readonly isMobile: boolean;
readonly openQuickLook: (fileId: string) => void;
readonly openLightbox: (src: string) => void;
}
```
{TILES.map((tile) => renderMobileTile(tile))}
) : (
TILES.map((tile, i) => renderDesktopTile(tile, i))
)}
{/*
Both bars switch on `isMobile` rather than a `sm:` utility: the
springboard/desktop split is decided at 767px, and a 640px Tailwind
breakpoint would put the macOS bar above the iOS grid at 720px.
*/}
{isMobile ? (
{!isMobile && !entranceDone && (
14:08
Finder
File
Edit
View
Window
Help
{
if (e.target === e.currentTarget) {
setGroupPanelOpen(false);
}
}}
className="absolute inset-0 z-[45] flex items-center justify-center bg-black/35 p-6 backdrop-blur-md"
>
)}
More
{GROUP_APPS.map((id) => {
const app = DOCK_APPS.find((entry) => entry.id === id);
return (
);
})}
{windows.map((win) => (
{lightbox &&
{file.name}
{file.dimensions}
{index + 1} of {FILES.length}
Recents · {PHOTOS.length}
{PHOTOS.map((photo) => (
))}
{showList && (
)}
{showDetail && (
);
};
/* ------------------------------------------------------------------ Finder -- */
const FINDER_SIDEBAR = [
{ color: "#62a8e8", label: "Desktop" },
{ color: "#7c8595", label: "Applications" },
{ color: "#7c8595", label: "Documents" },
{ color: "#5fd0c9", label: "Captures" },
{ color: "#a8a08b", label: "Exports" },
{ color: "#7c8595", label: "Downloads" },
] as const;
const FinderFolderDot = ({ size = 14 }: { size?: number }): ReactNode => (
Notes — {NOTES.length}
{NOTES.map((note) => (
))}
{ctx.isMobile && (
)}
)}
{active.date}
{active.title}
{active.body}
Locations
{["Recents", "Shared"].map((item) => (
{item}
))}
Favourites
{FINDER_SIDEBAR.map((item) => (
{item.label}
))}
{contents.map((file) => (
))}
{TERMINAL_LINES.slice(0, reducedMotion ? TERMINAL_LINES.length : visible).map((line) => (
);
};
/* -------------------------------------------------------------- dispatcher -- */
/**
* Sibling of `titleForWindow`: the two functions are the whole mapping from a
* window's kind to what the frame shows, and they stay next to each other so a
* new kind cannot satisfy one exhaustive switch and miss the other.
*/
const bodyForWindow = (win: OpenWindow, ctx: WindowCtx): ReactNode => {
switch (win.kind) {
case "quicklook": {
return
{line.prompt && ~ %}
{line.text}
))}
~ %
element's UA inset/fit-content sizing and open/close model fight this absolutely positioned, pointer-dragged frame
role="dialog"
aria-label={title}
onMouseDown={() => onFocus(win.uid)}
className="pointer-events-auto absolute flex flex-col overflow-hidden rounded-[12px] border border-black/15 bg-[#fbfaf7] text-[#1a1612] shadow-[0_30px_80px_-20px_rgba(0,0,0,0.45),0_8px_24px_-8px_rgba(0,0,0,0.35)]"
style={{
height: win.h,
left: win.x,
top: win.y,
width: win.w,
zIndex: win.z,
}}
>
);
};
export const PhotoLightbox = ({
src,
onClose,
}: {
src: string;
onClose: () => void;
}): ReactNode => {
const overlayRef = useRef
{title}
{/*
Empty on purpose. The traffic lights sit in the row's left slot, so the
title only lands optically centred while a same-order counterweight
holds the right slot open.
*/}
{children}
{
if (e.target === e.currentTarget) {
onClose();
}
}}
className="absolute inset-0 z-[60] flex items-center justify-center bg-black/85 p-8 backdrop-blur-sm"
>
);
};
```
### `/window-types.ts`
```ts
/** Shared window-manager vocabulary. Kept dependency-free to avoid import cycles. */
export type WindowKind = "quicklook" | "photos" | "notes" | "finder" | "terminal";
export interface OpenWindow {
readonly uid: number;
readonly kind: WindowKind;
readonly z: number;
readonly x: number;
readonly y: number;
readonly w: number;
readonly h: number;
/** Quick Look only — which desktop file is being previewed. */
readonly fileId?: string;
/** Finder only — which folder the window is showing. */
readonly folderName?: string;
}
export const DEFAULT_WINDOW_SIZES = {
finder: { h: 460, w: 760 },
notes: { h: 520, w: 720 },
photos: { h: 600, w: 880 },
quicklook: { h: 560, w: 760 },
terminal: { h: 400, w: 640 },
} satisfies Record