Prompt Bar

AI & Agents

Composer with @ sources, / commands, model picker, and dictation.

Interactive Live Preview
components/ui/prompt-bar.tsxTypeScript · React 19
1"use client";
2
3import { useEffect, useLayoutEffect, useRef, useState } from "react";
4import { createShader, playSweep, accentChain, ACCENTS } from "@/components/primitives/glimm";
5
6/* The built-in "prism" palette is only cyan→indigo→magenta, so a sweep
7 * reads as blue/purple. Build a true full-spectrum rainbow instead. */
8const RAINBOW = accentChain([
9 ACCENTS.red,
10 ACCENTS.orange,
11 ACCENTS.yellow,
12 ACCENTS.green,
13 ACCENTS.cyan,
14 ACCENTS.blue,
15 ACCENTS.purple,
16]);
17
18/* ─────────────────────────────────────────────────────────
19 * PROMPT BAR
20 * A composer with real controls: attach, @ data sources,
21 * / commands, a model picker, dictation, and send.
22 * Type @ or / to open the menus; ↑↓ + Enter to pick.
23 * Variants: Rounded (card radius) · Pill (full radius).
24 * ───────────────────────────────────────────────────────── */
25
26function Icon({ children, size = 15, strokeWidth = 1.8 }: { children: React.ReactNode; size?: number; strokeWidth?: number }) {
27 return (
28 <svg width={size} height={size} viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth={strokeWidth} strokeLinecap="round" strokeLinejoin="round" aria-hidden="true">
29 {children}
30 </svg>
31 );
32}
33
34const GLYPHS: Record<string, React.ReactNode> = {
35 clip: <path d="m21.4 11.05-9.19 9.19a6 6 0 0 1-8.49-8.49l8.57-8.57A4 4 0 1 1 18 8.84l-8.59 8.57a2 2 0 0 1-2.83-2.83l8.49-8.48" />,
36 chart: <path d="M4 20V10M10 20V4M16 20v-7M22 20H2" />,
37 layers: <g><path d="M12 2 2 7l10 5 10-5-10-5z" /><path d="M2 17l10 5 10-5M2 12l10 5 10-5" /></g>,
38 globe: <g><circle cx="12" cy="12" r="10" /><path d="M2 12h20M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z" /></g>,
39};
40
41/* real product marks, inline so the file stays self-contained */
42const BRANDS: Record<string, React.ReactNode> = {
43 figma: (
44 <svg width="11" height="16" viewBox="0 0 38 57" aria-hidden="true">
45 <path d="M9.5 57A9.5 9.5 0 0 0 19 47.5V38H9.5a9.5 9.5 0 0 0 0 19z" fill="#0ACF83" />
46 <path d="M0 28.5A9.5 9.5 0 0 1 9.5 19H19v19H9.5A9.5 9.5 0 0 1 0 28.5z" fill="#A259FF" />
47 <path d="M0 9.5A9.5 9.5 0 0 1 9.5 0H19v19H9.5A9.5 9.5 0 0 1 0 9.5z" fill="#F24E1E" />
48 <path d="M19 0h9.5a9.5 9.5 0 1 1 0 19H19V0z" fill="#FF7262" />
49 <path d="M38 28.5a9.5 9.5 0 1 1-19 0 9.5 9.5 0 0 1 19 0z" fill="#1ABCFE" />
50 </svg>
51 ),
52 slack: (
53 <svg width="15" height="15" viewBox="0 0 127 127" aria-hidden="true">
54 <path d="M27.2 80c0 7.3-5.9 13.2-13.2 13.2C6.7 93.2.8 87.3.8 80c0-7.3 5.9-13.2 13.2-13.2h13.2V80zm6.6 0c0-7.3 5.9-13.2 13.2-13.2 7.3 0 13.2 5.9 13.2 13.2v33c0 7.3-5.9 13.2-13.2 13.2-7.3 0-13.2-5.9-13.2-13.2V80z" fill="#E01E5A" />
55 <path d="M47 27.2c-7.3 0-13.2-5.9-13.2-13.2C33.8 6.7 39.7.8 47 .8c7.3 0 13.2 5.9 13.2 13.2v13.2H47zm0 6.7c7.3 0 13.2 5.9 13.2 13.2 0 7.3-5.9 13.2-13.2 13.2H13.9C6.6 60.3.7 54.4.7 47.1c0-7.3 5.9-13.2 13.2-13.2H47z" fill="#36C5F0" />
56 <path d="M99.9 47.1c0-7.3 5.9-13.2 13.2-13.2 7.3 0 13.2 5.9 13.2 13.2 0 7.3-5.9 13.2-13.2 13.2H99.9V47.1zm-6.6 0c0 7.3-5.9 13.2-13.2 13.2-7.3 0-13.2-5.9-13.2-13.2V13.9C66.9 6.6 72.8.7 80.1.7c7.3 0 13.2 5.9 13.2 13.2v33.2z" fill="#2EB67D" />
57 <path d="M80.1 99.8c7.3 0 13.2 5.9 13.2 13.2 0 7.3-5.9 13.2-13.2 13.2-7.3 0-13.2-5.9-13.2-13.2V99.8h13.2zm0-6.6c-7.3 0-13.2-5.9-13.2-13.2 0-7.3 5.9-13.2 13.2-13.2h33.1c7.3 0 13.2 5.9 13.2 13.2 0 7.3-5.9 13.2-13.2 13.2H80.1z" fill="#ECB22E" />
58 </svg>
59 ),
60 gmail: (
61 <svg width="15" height="12" viewBox="0 0 256 193" aria-hidden="true">
62 <path d="M58.182 192.05V93.14L27.507 65.077 0 49.504v125.091c0 9.658 7.825 17.455 17.455 17.455h40.727Z" fill="#4285F4" />
63 <path d="M197.818 192.05h40.727c9.659 0 17.455-7.826 17.455-17.455V49.505l-31.156 17.837-27.026 25.798v98.91Z" fill="#34A853" />
64 <path d="m58.182 93.14-4.174-38.647 4.174-36.989L128 69.868l69.818-52.364 4.669 34.992-4.669 40.644L128 145.504 58.182 93.14Z" fill="#EA4335" />
65 <path d="M197.818 17.504V93.14L256 49.504V26.231c0-21.585-24.64-33.89-41.89-20.945l-16.292 12.218Z" fill="#FBBC04" />
66 <path d="m0 49.504 26.759 20.07L58.182 93.14V17.504L41.89 5.286C24.61-7.66 0 4.646 0 26.23v23.273Z" fill="#C5221F" />
67 </svg>
68 ),
69};
70
71type Source = {
72 key: string;
73 name: string;
74 desc: string;
75 glyph?: string;
76 brand?: string;
77 attach?: boolean;
78 connect?: boolean;
79};
80
81const SOURCES: Source[] = [
82 { key: "attach", name: "Add photos & files", desc: "Upload from your computer", glyph: "clip", attach: true },
83 { key: "scoop", name: "Scoop Data", desc: "Sales & churn metrics", glyph: "chart" },
84 { key: "flavors", name: "Flavor records", desc: "26 makers, tags, links", glyph: "layers" },
85 { key: "web", name: "Web search", desc: "Real-time news and info", glyph: "globe" },
86 { key: "figma", name: "Figma", desc: "Design-to-code workflows", brand: "figma" },
87 { key: "slack", name: "Slack", desc: "Read and manage Slack", brand: "slack" },
88 { key: "gmail", name: "Gmail", desc: "Read and manage Gmail", brand: "gmail", connect: true },
89];
90
91const COMMANDS = [
92 { key: "compare", name: "/compare", desc: "Flavor vs. last summer" },
93 { key: "churn-plan", name: "/churn-plan", desc: "Draft a churn schedule" },
94 { key: "restock", name: "/restock", desc: "Build a reorder list" },
95 { key: "draft-email", name: "/draft-email", desc: "Write a supplier email" },
96 { key: "summarize", name: "/summarize", desc: "Digest the thread so far" },
97];
98
99const MODELS = [
100 { key: "sprinkles-5", name: "Sprinkles 5", tag: "Flagship" },
101 { key: "vanilla-1", name: "Vanilla 1", tag: "Basic" },
102 { key: "freezer-burn", name: "Freezer Burn 0.4", tag: "Stale" },
103];
104
105const FILES = ["flavor-chart.png", "summer-menu.pdf", "pos-export.csv"];
106const DICTATION = "Compare pistachio weekends to last summer";
107
108/* self-running demo: walk the @ menu, then the / menu, and repeat.
109 * Any pointer or key interaction hands control to the user. */
110const AUTO_STEPS: {
111 draft: string;
112 active?: number;
113 connect?: boolean;
114 modelOpen?: boolean;
115 model?: string;
116 hold: number;
117}[] = [
118 { draft: "", connect: false, model: "vanilla-1", hold: 1100 },
119 { draft: "@", active: 0, hold: 900 },
120 { draft: "@", active: 1, hold: 620 },
121 { draft: "@", active: 4, hold: 620 },
122 { draft: "@", active: 6, hold: 700 },
123 { draft: "@", active: 6, connect: true, hold: 1000 },
124 { draft: "", hold: 700 },
125 { draft: "/", active: 0, hold: 900 },
126 { draft: "/", active: 1, hold: 620 },
127 { draft: "/", active: 3, hold: 1000 },
128 { draft: "", hold: 800 },
129 // open the model picker and upgrade to the flagship → rainbow sweep
130 { draft: "", modelOpen: true, hold: 1200 },
131 { draft: "", model: "sprinkles-5", hold: 2400 },
132 { draft: "", hold: 900 },
133];
134
135/* the last @word or /word being typed, if any */
136function parseToken(draft: string): { kind: "at" | "slash"; query: string; start: number } | null {
137 const match = /(^|\s)([@/])([\w-]*)$/.exec(draft);
138 if (!match) return null;
139 return {
140 kind: match[2] === "@" ? "at" : "slash",
141 query: match[3].toLowerCase(),
142 start: match.index + match[1].length,
143 };
144}
145
146export default function PromptBar({
147 variant = "Rounded",
148 demo = true,
149 tall = false,
150 placeholder,
151 onSend,
152}: {
153 variant?: string;
154 /** the self-running walkthrough; turn off when embedding in a real surface */
155 demo?: boolean;
156 /** hero sizing: a multi-line input with controls on their own row */
157 tall?: boolean;
158 placeholder?: string;
159 onSend?: (text: string) => void;
160}) {
161 const pill = variant === "Pill";
162 const [draft, setDraft] = useState("");
163 const [dismissed, setDismissed] = useState(false);
164 const [plusOpen, setPlusOpen] = useState(false);
165 const [modelOpen, setModelOpen] = useState(false);
166 const [model, setModel] = useState(MODELS[1]);
167 const [attachments, setAttachments] = useState<string[]>([]);
168 const [connected, setConnected] = useState(false);
169 const [active, setActive] = useState(0);
170 const [listening, setListening] = useState(false);
171 const [auto, setAuto] = useState(demo);
172 const [autoStep, setAutoStep] = useState(0);
173 const [expanded, setExpanded] = useState(false);
174 const wide = expanded || tall;
175 const [rowBox, setRowBox] = useState<{ top: number; height: number } | null>(null);
176 const [engaged, setEngaged] = useState(false);
177 const [modelBox, setModelBox] = useState<{ top: number; height: number } | null>(null);
178 const [modelHovered, setModelHovered] = useState<number | null>(null);
179 const [modelMenuLeft, setModelMenuLeft] = useState(0);
180 const [modelMenuBottom, setModelMenuBottom] = useState(0);
181 const composerAnchorRef = useRef<HTMLDivElement>(null);
182 const controlsRef = useRef<HTMLDivElement>(null);
183 const inputRef = useRef<HTMLTextAreaElement>(null);
184 const measureRef = useRef<HTMLSpanElement>(null);
185 const modelRef = useRef<HTMLButtonElement>(null);
186 const rowRefs = useRef<(HTMLButtonElement | null)[]>([]);
187 const modelRowRefs = useRef<(HTMLButtonElement | null)[]>([]);
188 const glimmRef = useRef<HTMLCanvasElement>(null);
189 const shaderRef = useRef<ReturnType<typeof createShader> | null>(null);
190 const sweepingRef = useRef(false);
191
192 /* hand control to the user: stop the demo loop, and when they aim at
193 * the input itself, clear the demo's leftover draft for a clean start */
194 const takeOver = (event: { target: EventTarget | null }) => {
195 setAuto(false);
196 if (auto && event.target === inputRef.current) setDraft("");
197 };
198
199 const token = dismissed ? null : parseToken(draft);
200 const menu: "at" | "slash" | null = plusOpen ? "at" : token?.kind ?? null;
201 const query = plusOpen ? "" : token?.query ?? "";
202
203 const rows: { key: string; name: string; desc: string }[] =
204 menu === "at"
205 ? SOURCES.filter((s) => s.name.toLowerCase().includes(query))
206 : menu === "slash"
207 ? COMMANDS.filter((c) => c.name.slice(1).startsWith(query))
208 : [];
209
210 useEffect(() => {
211 setActive(0);
212 setEngaged(false);
213 }, [menu, query]);
214
215 /* a single highlight glides to the active row instead of each row
216 * toggling its own background — matches the gliding pill in the nav */
217 useLayoutEffect(() => {
218 const target = rowRefs.current[active];
219 if (target) setRowBox({ top: target.offsetTop, height: target.offsetHeight });
220 }, [menu, query, active, connected, rows.length]);
221
222 /* same gliding highlight in the model menu — floats to the hovered
223 * row, falling back to the currently-selected model */
224 const modelIndex = MODELS.findIndex((m) => m.key === model.key);
225 useLayoutEffect(() => {
226 if (!modelOpen) return;
227 const target = modelRowRefs.current[modelHovered ?? modelIndex];
228 if (target) setModelBox({ top: target.offsetTop, height: target.offsetHeight });
229 }, [modelOpen, modelHovered, modelIndex]);
230
231 /* The menu is outside the clipped composer, so align it to the model
232 * trigger by measurement instead of pinning it to the far-right edge. */
233 useLayoutEffect(() => {
234 if (!modelOpen || !composerAnchorRef.current || !modelRef.current) return;
235 const anchorRect = composerAnchorRef.current.getBoundingClientRect();
236 const triggerRect = modelRef.current.getBoundingClientRect();
237 setModelMenuLeft(Math.max(0, Math.min(triggerRect.left - anchorRect.left, anchorRect.width - 176)));
238 setModelMenuBottom(anchorRect.bottom - triggerRect.top + 8);
239 }, [modelOpen, wide, model.name]);
240
241 useEffect(() => {
242 if (!modelOpen) setModelHovered(null);
243 }, [modelOpen]);
244
245 /* Build the shader with a pinned hue phase. createShader seeds its
246 * internal hueShift from Math.random(), which made the sweep a different
247 * colour on every reload — pin it so the rainbow is identical each time. */
248 const makeShader = () => {
249 const canvas = glimmRef.current;
250 if (!canvas) return null;
251 const random = Math.random;
252 Math.random = () => 0;
253 try {
254 return createShader({
255 canvas,
256 palette: RAINBOW,
257 direction: "ltr",
258 bandTight: 10,
259 swellAmount: 0.85,
260 });
261 } finally {
262 Math.random = random;
263 }
264 };
265
266 /* Glimm shader lives inside the composer, invisible at rest. Selecting
267 * the flagship model fires a one-shot rainbow sweep across the interior. */
268 useEffect(() => {
269 shaderRef.current = makeShader();
270 return () => {
271 shaderRef.current?.destroy();
272 shaderRef.current = null;
273 };
274 // eslint-disable-next-line react-hooks/exhaustive-deps
275 }, []);
276
277 const celebrate = () => {
278 if (sweepingRef.current) return;
279 if (window.matchMedia("(prefers-reduced-motion: reduce)").matches) return;
280 // Recreate the shader per sweep so uTime restarts at 0 — the hue phase
281 // (which drifts with time) is then identical on every trigger.
282 shaderRef.current?.destroy();
283 const shader = makeShader();
284 shaderRef.current = shader;
285 if (!shader) return;
286 sweepingRef.current = true;
287 const sweep = playSweep(shader, {
288 palette: RAINBOW,
289 direction: "ltr",
290 sweepMs: 570,
291 outroMs: 80,
292 peakAlpha: 1.3,
293 bandTight: 10,
294 brightness: 1.4,
295 swellAmount: 1,
296 waveSpeed: 1.8,
297 easing: "easeOutExpo",
298 });
299 sweep.done.finally(() => {
300 sweepingRef.current = false;
301 });
302 };
303
304 const selectModel = (next: (typeof MODELS)[number]) => {
305 setModel(next);
306 setModelOpen(false);
307 if (next.key === "sprinkles-5") celebrate();
308 };
309
310 /* autoplay: apply the current step, then advance after its hold */
311 useEffect(() => {
312 if (!auto) return;
313 const step = AUTO_STEPS[autoStep % AUTO_STEPS.length];
314 setDraft(step.draft);
315 if (step.active !== undefined) setActive(step.active);
316 if (step.connect !== undefined) setConnected(step.connect);
317 if (step.modelOpen !== undefined) setModelOpen(step.modelOpen);
318 if (step.model) {
319 const next = MODELS.find((m) => m.key === step.model);
320 if (next) selectModel(next);
321 }
322 const t = setTimeout(() => setAutoStep((s) => s + 1), step.hold);
323 return () => clearTimeout(t);
324 }, [auto, autoStep]);
325
326 /* dictation resolves after a beat, like a real transcript landing */
327 useEffect(() => {
328 if (!listening) return;
329 const t = setTimeout(() => {
330 setDraft((current) => (current ? `${current.trimEnd()} ${DICTATION}` : DICTATION));
331 setListening(false);
332 inputRef.current?.focus();
333 }, 2200);
334 return () => clearTimeout(t);
335 }, [listening]);
336
337 /* Move wrapped text above the controls, then grow to a compact maximum. */
338 useLayoutEffect(() => {
339 const input = inputRef.current;
340 const controls = controlsRef.current;
341 const measure = measureRef.current;
342 const modelButton = modelRef.current;
343 if (!input || !controls || !measure || !modelButton) return;
344
345 const fixedControlsWidth = 28 * 3 + modelButton.offsetWidth;
346 const inlineGaps = 4 * 4;
347 const inlineInputWidth = controls.clientWidth - fixedControlsWidth - inlineGaps;
348 const needsFullWidth = draft.includes("\n") || measure.offsetWidth + 8 > inlineInputWidth;
349 if (needsFullWidth !== expanded) {
350 setExpanded(needsFullWidth);
351 }
352
353 const minHeight = 28;
354 const maxHeight = 100;
355 input.style.height = "0px";
356 const contentHeight = input.scrollHeight;
357 input.style.height = `${Math.min(Math.max(contentHeight, minHeight), maxHeight)}px`;
358 input.style.overflowY = contentHeight > maxHeight ? "auto" : "hidden";
359 }, [draft, expanded]);
360
361 /* clicking anywhere outside the composer closes the open menus */
362 useEffect(() => {
363 if (!modelOpen && !plusOpen) return;
364 const close = (event: PointerEvent) => {
365 if (!(event.target as Element).closest("[data-promptbar]")) {
366 setModelOpen(false);
367 setPlusOpen(false);
368 }
369 };
370 document.addEventListener("pointerdown", close);
371 return () => document.removeEventListener("pointerdown", close);
372 }, [modelOpen, plusOpen]);
373
374 const closeMenus = () => {
375 setPlusOpen(false);
376 setModelOpen(false);
377 };
378
379 const pick = (row: { key: string; name: string }) => {
380 const source = SOURCES.find((s) => s.key === row.key);
381 if (source?.attach) {
382 setAttachments((current) => [...current, FILES[current.length % FILES.length]]);
383 if (token) setDraft(draft.slice(0, token.start));
384 } else if (menu === "at") {
385 setDraft(`${token ? draft.slice(0, token.start) : draft}@${row.name} `);
386 } else {
387 setDraft(`${token ? draft.slice(0, token.start) : draft}${row.name} `);
388 }
389 setPlusOpen(false);
390 setDismissed(false);
391 inputRef.current?.focus();
392 };
393
394 const canSend = draft.trim().length > 0 || attachments.length > 0;
395 const send = () => {
396 if (!canSend) return;
397 onSend?.(draft.trim());
398 setDraft("");
399 setAttachments([]);
400 closeMenus();
401 };
402
403 return (
404 <div
405 data-promptbar
406 className={demo ? "flex min-h-[384px] w-full max-w-105 flex-col justify-end pb-8" : "w-full"}
407 onPointerDownCapture={takeOver}
408 onKeyDownCapture={takeOver}
409 >
410 {/* composer is the anchor — menus grow up from its top edge */}
411 <div ref={composerAnchorRef} className="relative">
412 {/* ── @ / slash menu ─────────────────────────────── */}
413 {menu && (
414 <div
415 onMouseLeave={() => setEngaged(false)}
416 className="absolute inset-x-0 bottom-full z-10 mb-2 rounded-[10px] bg-surface p-1 shadow-raised"
417 style={{ animation: "pop-in 180ms cubic-bezier(0.23,1,0.32,1) both", transformOrigin: "bottom center" }}
418 >
419 {/* single gliding highlight — appears once a row is hovered */}
420 <span
421 aria-hidden
422 className="pointer-events-none absolute inset-x-1 rounded-[6px] bg-hover"
423 style={{
424 top: rowBox?.top ?? 0,
425 height: rowBox?.height ?? 0,
426 opacity: rowBox && engaged && rows.length > 0 ? 1 : 0,
427 transition:
428 "top 220ms cubic-bezier(0.23,1,0.32,1), height 220ms cubic-bezier(0.23,1,0.32,1), opacity 150ms ease",
429 }}
430 />
431 {rows.map((row, i) => {
432 const source = menu === "at" ? SOURCES.find((s) => s.key === row.key) : undefined;
433 return (
434 <button
435 key={row.key}
436 type="button"
437 ref={(el) => {
438 rowRefs.current[i] = el;
439 }}
440 onMouseDown={(event) => event.preventDefault()}
441 onMouseEnter={() => {
442 setActive(i);
443 setEngaged(true);
444 }}
445 onClick={() => pick(row)}
446 className="relative z-10 flex h-9 w-full items-center gap-2.5 rounded-[6px] px-2 text-left"
447 >
448 {source && (
449 <span className="flex size-5.5 shrink-0 items-center justify-center text-ink-2">
450 {source.brand ? BRANDS[source.brand] : <Icon size={15}>{GLYPHS[source.glyph ?? "clip"]}</Icon>}
451 </span>
452 )}
453 <span className="shrink-0 text-[12.5px] font-medium text-ink">
454 {row.name}
455 </span>
456 <span className="min-w-0 flex-1 truncate text-[12px] text-ink-3">{row.desc}</span>
457 {source?.connect && (
458 <span
459 role="button"
460 tabIndex={-1}
461 onClick={(event) => {
462 event.stopPropagation();
463 setConnected((current) => !current);
464 }}
465 className={`shrink-0 text-[12px] font-medium transition-colors duration-100 ${
466 connected ? "text-green" : "text-accent-ink hover:underline"
467 }`}
468 >
469 {connected ? "Connected" : "Connect"}
470 </span>
471 )}
472 </button>
473 );
474 })}
475 {rows.length === 0 && (
476 <div className="flex h-9 items-center px-2 text-[12px] text-ink-3">
477 No matches for “{query}”
478 </div>
479 )}
480 <div className="mt-1 border-t border-line px-2 pt-1.5 pb-1 text-[11px] text-ink-3">
481 {menu === "at" ? "Type to search sources & files" : "Type to search commands"}
482 </div>
483 </div>
484 )}
485
486 {/* ── model menu ─────────────────────────────────── */}
487 {modelOpen && (
488 <div
489 onMouseLeave={() => setModelHovered(null)}
490 className="absolute z-10 w-44 rounded-[10px] bg-surface p-1 shadow-raised"
491 style={{ left: modelMenuLeft, bottom: modelMenuBottom, animation: "pop-in 180ms cubic-bezier(0.23,1,0.32,1) both", transformOrigin: "bottom left" }}
492 >
493 {/* single gliding highlight — floats to the hovered / selected row */}
494 <span
495 aria-hidden
496 className="pointer-events-none absolute inset-x-1 rounded-[6px] bg-hover"
497 style={{
498 top: modelBox?.top ?? 0,
499 height: modelBox?.height ?? 0,
500 opacity: modelBox && modelHovered !== null ? 1 : 0,
501 transition:
502 "top 220ms cubic-bezier(0.23,1,0.32,1), height 220ms cubic-bezier(0.23,1,0.32,1), opacity 150ms ease",
503 }}
504 />
505 {MODELS.map((m, i) => (
506 <button
507 key={m.key}
508 type="button"
509 ref={(el) => {
510 modelRowRefs.current[i] = el;
511 }}
512 onMouseDown={(event) => event.preventDefault()}
513 onMouseEnter={() => setModelHovered(i)}
514 onClick={() => {
515 selectModel(m);
516 inputRef.current?.focus();
517 }}
518 className="relative z-10 flex h-7.5 w-full items-center gap-2 rounded-[6px] px-2 text-left"
519 >
520 <span className="min-w-0 flex-1 truncate text-[12.5px] font-medium text-ink">{m.name}</span>
521 <span className="shrink-0 text-[11px] text-ink-3">{m.tag}</span>
522 <span className={`shrink-0 text-ink ${m.key === model.key ? "" : "invisible"}`}>
523 <Icon size={13} strokeWidth={2.5}><path d="M20 6L9 17l-5-5" /></Icon>
524 </span>
525 </button>
526 ))}
527 </div>
528 )}
529
530 {/* ── composer ───────────────────────────────────── */}
531 <div
532 className={`relative isolate flex flex-col overflow-hidden border border-line bg-surface shadow-card transition-[border-color,border-radius] duration-150 focus-within:border-line-strong ${
533 tall ? "gap-2.5 p-3.5" : "gap-1.5 p-1.5"
534 } ${
535 pill ? (attachments.length > 0 || wide ? "rounded-[24px]" : "rounded-full") : tall ? "rounded-[22px]" : "rounded-[14px]"
536 }`}
537 >
538 {/* rainbow glimm sweep — plays across the interior on model change.
539 explicit w/h: a <canvas> is a replaced element and won't stretch
540 to inset-0 alone, which feeds back into the shader's ResizeObserver. */}
541 <canvas
542 ref={glimmRef}
543 aria-hidden="true"
544 className="pointer-events-none absolute inset-0 -z-10 h-full w-full"
545 style={{ borderRadius: "inherit" }}
546 />
547 <span
548 ref={measureRef}
549 aria-hidden="true"
550 className="pointer-events-none absolute invisible whitespace-pre text-[13px] leading-[18px]"
551 >
552 {draft}
553 </span>
554
555 {attachments.length > 0 && (
556 <div className={`flex flex-wrap gap-1.5 pt-0.5 ${pill ? "px-1" : "px-0.5"}`}>
557 {attachments.map((file, i) => (
558 <span
559 key={`${file}-${i}`}
560 className={`flex h-6.5 items-center gap-1.5 bg-field py-1 pr-1 pl-1.5 text-[11.5px] text-ink-2 shadow-hairline ${
561 pill ? "rounded-full" : "rounded-chip"
562 }`}
563 style={{ animation: "pop-in 200ms cubic-bezier(0.23,1,0.32,1) both" }}
564 >
565 <Icon size={12}><g><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z" /><path d="M14 2v6h6" /></g></Icon>
566 <span className="max-w-36 truncate">{file}</span>
567 <button
568 type="button"
569 aria-label={`Remove ${file}`}
570 onClick={() => setAttachments((current) => current.filter((_, j) => j !== i))}
571 className={`-my-1 flex size-6 items-center justify-center text-ink-3 transition-colors duration-100 hover:bg-line/70 hover:text-ink ${
572 pill ? "rounded-full" : "rounded-[5px]"
573 }`}
574 >
575 <Icon size={10} strokeWidth={2.5}><path d="M18 6L6 18M6 6l12 12" /></Icon>
576 </button>
577 </span>
578 ))}
579 </div>
580 )}
581
582 <div
583 ref={controlsRef}
584 className={`grid items-end gap-x-1 gap-y-1.5 ${
585 wide
586 ? "grid-cols-[28px_auto_minmax(0,1fr)_28px_28px]"
587 : "grid-cols-[28px_minmax(0,1fr)_auto_28px_28px]"
588 }`}
589 >
590 <button
591 type="button"
592 aria-label="Add attachments and sources"
593 aria-expanded={plusOpen}
594 onClick={() => {
595 setModelOpen(false);
596 setPlusOpen((current) => !current);
597 inputRef.current?.focus();
598 }}
599 className={`flex size-7 shrink-0 items-center justify-center justify-self-start text-ink-3 transition-[background-color,color,transform] duration-150 hover:bg-hover hover:text-ink active:scale-[0.94] ${
600 pill ? "rounded-full" : "rounded-[8px]"
601 } ${plusOpen ? "bg-hover text-ink" : ""} ${wide ? "col-start-1 row-start-2" : "col-start-1 row-start-1"}`}
602 >
603 <Icon size={16} strokeWidth={2}><path d="M12 5v14M5 12h14" /></Icon>
604 </button>
605
606 <textarea
607 ref={inputRef}
608 rows={1}
609 value={draft}
610 onChange={(event) => {
611 setDraft(event.target.value);
612 setDismissed(false);
613 setPlusOpen(false);
614 }}
615 onKeyDown={(event) => {
616 if (menu && rows.length > 0) {
617 if (event.key === "ArrowDown" || event.key === "ArrowUp") {
618 event.preventDefault();
619 setEngaged(true);
620 setActive((current) => (current + (event.key === "ArrowDown" ? 1 : rows.length - 1)) % rows.length);
621 return;
622 }
623 if ((event.key === "Enter" && !event.shiftKey) || event.key === "Tab") {
624 event.preventDefault();
625 pick(rows[active]);
626 return;
627 }
628 }
629 if (event.key === "Escape") {
630 setDismissed(true);
631 closeMenus();
632 return;
633 }
634 if (event.key === "Enter" && !event.shiftKey && !event.nativeEvent.isComposing) {
635 event.preventDefault();
636 send();
637 }
638 }}
639 placeholder={listening ? "Listening…" : placeholder ?? "Write a message…"}
640 aria-label="Prompt"
641 className={`${tall ? "min-h-[68px] px-2 py-2 text-[14px] leading-5" : "min-h-7 px-1 py-[5px] text-[13px] leading-[18px]"} min-w-0 w-full resize-none bg-transparent text-ink outline-none [overflow-wrap:anywhere] placeholder:text-ink-3 ${
642 wide ? "col-span-full col-start-1 row-start-1" : "col-start-2 row-start-1"
643 }`}
644 />
645
646 {/* model picker */}
647 <button
648 ref={modelRef}
649 type="button"
650 aria-expanded={modelOpen}
651 aria-label="Choose model"
652 onClick={() => {
653 setPlusOpen(false);
654 setModelOpen((current) => !current);
655 }}
656 className={`flex h-7 shrink-0 items-center gap-1 px-1.5 text-[12px] font-medium text-ink-2 transition-colors duration-150 hover:bg-hover hover:text-ink ${
657 pill ? "rounded-full" : "rounded-[8px]"
658 } ${wide ? "col-start-2 row-start-2 justify-self-start" : "col-start-3 row-start-1"}`}
659 >
660 {model.name}
661 <span className="text-ink-3">
662 <Icon size={11} strokeWidth={2.4}><path d="M6 9l6 6 6-6" /></Icon>
663 </span>
664 </button>
665
666 {/* dictation */}
667 <button
668 type="button"
669 aria-label={listening ? "Stop dictation" : "Start dictation"}
670 aria-pressed={listening}
671 onClick={() => setListening((current) => !current)}
672 className={`flex size-7 shrink-0 items-center justify-center transition-[background-color,color,transform] duration-150 active:scale-[0.94] ${
673 pill ? "rounded-full" : "rounded-[8px]"
674 } ${listening ? "bg-accent-tint text-accent-ink" : "text-ink-3 hover:bg-hover hover:text-ink"} ${wide ? "col-start-4 row-start-2" : "col-start-4 row-start-1"}`}
675 >
676 {listening ? (
677 <span className="flex h-3.5 items-center gap-[2.5px]">
678 {[0, 1, 2].map((i) => (
679 <span
680 key={i}
681 className="w-[2.5px] rounded-full bg-current"
682 style={{ height: "100%", animation: `eq-bounce 900ms ease-in-out ${i * 150}ms infinite` }}
683 />
684 ))}
685 </span>
686 ) : (
687 <Icon size={15} strokeWidth={2}><g><path d="M12 2a3 3 0 0 0-3 3v7a3 3 0 0 0 6 0V5a3 3 0 0 0-3-3z" /><path d="M19 10v2a7 7 0 0 1-14 0v-2M12 19v3" /></g></Icon>
688 )}
689 </button>
690
691 {/* send — tactile square (round in the pill variant) */}
692 <button
693 type="button"
694 aria-label="Send"
695 disabled={!canSend}
696 onClick={send}
697 className={`flex size-7 shrink-0 items-center justify-center transition-[background-color,color,transform] duration-200 enabled:active:scale-[0.94] ${
698 pill ? "rounded-full" : "rounded-[8px]"
699 } ${wide ? "col-start-5 row-start-2" : "col-start-5 row-start-1"}`}
700 style={{
701 background: canSend ? "var(--ink)" : "var(--line-strong)",
702 color: canSend ? "var(--surface)" : "var(--ink-2)",
703 }}
704 >
705 <Icon size={16} strokeWidth={2.4}><path d="M12 19V5M5 12l7-7 7 7" /></Icon>
706 </button>
707 </div>
708 </div>
709 </div>
710 </div>
711 );
712}
713

Props & Specification

PropTypeDefaultDescription
variantRounded | PillRoundedVisual state and layout presentation mode.
classNamestring""Optional Tailwind CSS wrapper class overrides.

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