fix(tui): animate automatic session renames (#45957)

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Kit Langton 2026-08-28 14:43:53 -04:00 committed by GitHub
parent da57b27277
commit 0bb6cf37be
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9 changed files with 572 additions and 21 deletions

View file

@ -41,6 +41,7 @@ import { DialogSessionRename } from "./dialog-session-rename"
import { Keymap } from "../context/keymap"
import { registerOpencodeSpinner } from "./register-spinner"
import { SPINNER_FRAMES } from "./spinner-frames"
import "./title-shimmer"
registerOpencodeSpinner()
@ -96,6 +97,7 @@ export const EMPTY_SESSION_TAB_STATUS: SessionTabsStatus = {
promptPulse: 0,
attention: false,
busy: false,
renaming: false,
}
export type SessionTabsController = Pick<ContextController, "tabs" | "current" | "select" | "close" | "move"> & {
newTab?: () => boolean
@ -648,7 +650,7 @@ function VerticalSessionTabs(props: {
const restingTitleWidth = () => Math.max(1, width() - numberWidth() - 2)
const hoveredTitleWidth = () => Math.max(1, restingTitleWidth() - 1)
const titleWidth = () => (hovered() === tab.sessionID ? hoveredTitleWidth() : restingTitleWidth())
const title = () => tab.title ?? "Untitled session"
const title = () => (props.controller ? undefined : session()?.title) ?? tab.title ?? "Untitled session"
const scrolling = () => marquee.active() === tab.sessionID
const visibleTitleParts = createMemo(() =>
scrolling()
@ -907,14 +909,21 @@ function VerticalSessionTabs(props: {
unreadMarker={props.unreadMarker}
attributes={selected() ? TextAttributes.BOLD : undefined}
/>
<text
<title_shimmer
width={titleWidth()}
height={1}
fg={foreground()}
rename={{ pending: status().renaming, title: title() }}
enabled={animations()}
backdrop={pulseBackground()}
wrapMode="none"
selectable={false}
attributes={
(selected() ? TextAttributes.BOLD : 0) |
(tabs.isPreview?.(tab.sessionID) ? TextAttributes.ITALIC : 0) || undefined
(status().renaming && !animations()
? TextAttributes.DIM
: selected()
? TextAttributes.BOLD
: 0) | (tabs.isPreview?.(tab.sessionID) ? TextAttributes.ITALIC : 0) || undefined
}
>
<Show
@ -927,7 +936,7 @@ function VerticalSessionTabs(props: {
)}
</Index>
</Show>
</text>
</title_shimmer>
<text
position="absolute"
right={1}
@ -1075,6 +1084,7 @@ function HorizontalSessionTabs(props: {
numbers: boolean
}) {
const tabs = props.controller ?? useSessionTabs()
const data = props.controller ? undefined : useData()
const dimensions = useTerminalDimensions()
const theme = useTheme()
const config = useConfig().data
@ -1364,7 +1374,7 @@ function HorizontalSessionTabs(props: {
const glowColor = createMemo(() => tint(background(), feedbackColor() ?? unreadColor(), glowLevel()))
const glows = () =>
Boolean(status().attention || (!selected() && !status().busy && status().unread !== undefined))
const title = () => tab.title ?? "Untitled session"
const title = () => data?.session.get(tab.sessionID)?.title ?? tab.title ?? "Untitled session"
const tabNumber = createMemo(() => items().findIndex((item) => item.sessionID === tab.sessionID) + 1)
const numberWidth = () => Math.max(2, String(items().length).length)
// Hovering reveals the close mark, so the title's right bound shifts left of it.
@ -1492,13 +1502,18 @@ function HorizontalSessionTabs(props: {
unreadMarker={props.unreadMarker}
attributes={bold()}
/>
<text
<title_shimmer
width={availableTitleWidth()}
height={1}
fg={foreground()}
rename={{ pending: status().renaming, title: title() }}
enabled={animations()}
backdrop={background()}
wrapMode="none"
selectable={false}
attributes={
(bold() ?? 0) | (tabs.isPreview?.(tab.sessionID) ? TextAttributes.ITALIC : 0) || undefined
(status().renaming && !animations() ? TextAttributes.DIM : (bold() ?? 0)) |
(tabs.isPreview?.(tab.sessionID) ? TextAttributes.ITALIC : 0) || undefined
}
>
<Show when={scrolling() || glows() || titleFades()} fallback={visibleTitle()}>
@ -1508,7 +1523,7 @@ function HorizontalSessionTabs(props: {
)}
</Index>
</Show>
</text>
</title_shimmer>
<text
position="absolute"
right={1}

View file

@ -30,7 +30,7 @@ type TabPulseOptions = RenderableOptions<TabPulseRenderable> & {
}
const clamp = (value: number) => Math.max(0, Math.min(1, value))
const smootherstep = (value: number) => value * value * value * (value * (value * 6 - 15) + 10)
export const smootherstep = (value: number) => value * value * value * (value * (value * 6 - 15) + 10)
const RUN_DURATION = 2_800
const RUN_ATTACK = 450
const RUN_HEAD = 4
@ -53,11 +53,11 @@ const GLOW_RELEASE_PEAK = 1.25
const GLOW_TAIL = 12
const GLOW_OPACITY = 0.16
const DEFAULT_FOREGROUND = RGBA.defaultForeground()
const intensityAt = (index: number, front: number, head: number, tail: number) => {
export const intensityAt = (index: number, front: number, head: number, tail: number) => {
const distance = front - index
return distance < 0 ? smootherstep(clamp(1 + distance / head)) : smootherstep(clamp(1 - distance / tail))
}
const coast = (value: number) => {
export const coast = (value: number) => {
const ramp = 0.2
if (value < ramp) return (value * value) / (2 * ramp * (1 - ramp))
if (value > 1 - ramp) return 1 - ((1 - value) * (1 - value)) / (2 * ramp * (1 - ramp))

View file

@ -0,0 +1,269 @@
import {
BoxRenderable,
OptimizedBuffer,
RGBA,
TargetChannel,
TextRenderable,
type RenderContext,
type TextOptions,
} from "@opentui/core"
import { extend } from "@opentui/solid"
import { coast, intensityAt, smootherstep } from "./tab-pulse"
type TitleShimmerOptions = TextOptions & {
rename?: { title: string; pending: boolean }
enabled?: boolean
backdrop?: RGBA
}
const SHIMMER_DURATION = 1200
const SHIMMER_FADE = 240
const ARRIVAL_DURATION = 450
const WIPE_FEATHER = 4
const TRANSPARENT = RGBA.fromValues(0, 0, 0, 0)
// Native text draws wide glyphs as a head followed by flagged continuation cells.
const CONTINUATION = 0xc0000000 | 0
export class TitleShimmerRenderable extends TextRenderable {
private _rename: TitleShimmerOptions["rename"]
private _enabled: boolean
private _backdrop: RGBA
private pendingTitle: string | undefined
private elapsed = 0
private blend = 0
private fresh = true
private arrival: number | undefined
private scratch: OptimizedBuffer | undefined
private previous: OptimizedBuffer | undefined
private mask = new Float32Array(0)
private matrix = new Float32Array(16)
constructor(ctx: RenderContext, options: TitleShimmerOptions) {
super(ctx, options)
this._rename = options.rename
this.pendingTitle = options.rename?.title
this._enabled = options.enabled ?? true
this._backdrop = options.backdrop ?? RGBA.defaultBackground()
this.matrix[15] = 1
this.updateBackdrop()
this.live = this.animating
}
private get animating() {
return this._enabled && (this.shimmering || this.arrival !== undefined || this.blend > 0)
}
private get shimmering() {
return this._rename?.pending && this._rename.title === this.pendingTitle
}
set rename(value: TitleShimmerOptions["rename"]) {
if (value?.title === this._rename?.title && value?.pending === this._rename?.pending) return
if (value?.pending && !this._rename?.pending) {
if (this.pendingTitle !== value.title) this.blend = 0
this.pendingTitle = value.title
if (this.blend === 0) this.elapsed = 0
this.arrival = undefined
this.previous?.destroy()
this.previous = undefined
}
// Only an automatic rename replaces the last painted title with a wipe.
if (value?.title !== this._rename?.title) {
this.arrival = value && this._rename?.pending && this._enabled && this.previous ? 0 : undefined
if (this.arrival === undefined) this.blend = 0
}
this._rename = value
this.changed()
}
set enabled(value: boolean) {
if (value === this._enabled) return
this._enabled = value
if (!value) {
this.arrival = undefined
this.blend = 0
}
this.changed()
}
set backdrop(value: RGBA) {
if (value.equals(this._backdrop)) return
this._backdrop = value
this.updateBackdrop()
this.requestRender()
}
private updateBackdrop() {
this.matrix[3] = this._backdrop.r
this.matrix[7] = this._backdrop.g
this.matrix[11] = this._backdrop.b
}
private changed() {
if (!this.live && this.animating) this.fresh = true
this.live = this.animating
if (!this.animating) {
this.previous?.destroy()
this.previous = undefined
}
this.requestRender()
}
override render(buffer: OptimizedBuffer, deltaTime: number) {
if (!this.visible || this.isDestroyed || !Number.isFinite(this.width) || this.width <= 0 || this.height <= 0) return
if (!this.animating) return super.render(buffer, deltaTime)
// A newly live title must not inherit time spent idle before its fade started.
const delta = this.fresh ? 0 : deltaTime
this.fresh = false
this.elapsed = (this.elapsed + delta) % SHIMMER_DURATION
if (this.arrival !== undefined) {
this.arrival += delta
if (this.arrival >= ARRIVAL_DURATION) {
this.arrival = undefined
this.blend = 0
}
}
this.blend = Math.max(
0,
Math.min(1, this.blend + (this.shimmering || this.arrival !== undefined ? delta : -delta) / SHIMMER_FADE),
)
this.live = this.animating
if (!this.animating) {
this.previous?.destroy()
this.previous = undefined
return super.render(buffer, deltaTime)
}
if (!this.scratch)
this.scratch = OptimizedBuffer.create(this.width, this.height, this._ctx.widthMethod, { respectAlpha: true })
if (this.scratch.width !== this.width || this.scratch.height !== this.height)
this.scratch.resize(this.width, this.height)
// Shade locally, then composite: colorMatrix itself does not respect ancestor scissors.
this.scratch.clear(TRANSPARENT)
// OpenTUI's framebuffer compositor can paint a cut wide glyph. Clip the native text draw first.
const clip = {
left: Math.max(0, -this.screenX),
top: Math.max(0, -this.screenY),
right: Math.min(this.width, buffer.width - this.screenX),
bottom: Math.min(this.height, buffer.height - this.screenY),
}
for (let parent = this.parent; parent; parent = parent.parent) {
if (parent.overflow === "visible" || parent.width <= 0 || parent.height <= 0) continue
const border = parent instanceof BoxRenderable ? parent.border : false
const left = Number(border === true || (Array.isArray(border) && border.includes("left")))
const top = Number(border === true || (Array.isArray(border) && border.includes("top")))
clip.left = Math.max(clip.left, parent.screenX - this.screenX + left)
clip.top = Math.max(clip.top, parent.screenY - this.screenY + top)
clip.right = Math.min(
clip.right,
parent.screenX -
this.screenX +
parent.width -
Number(border === true || (Array.isArray(border) && border.includes("right"))),
)
clip.bottom = Math.min(
clip.bottom,
parent.screenY -
this.screenY +
parent.height -
Number(border === true || (Array.isArray(border) && border.includes("bottom"))),
)
}
this.scratch.pushScissorRect(
clip.left,
clip.top,
Math.max(0, clip.right - clip.left),
Math.max(0, clip.bottom - clip.top),
)
this.scratch.drawTextBuffer(this.textBufferView, 0, 0)
const characters = this.scratch.buffers.char
let end = 0
for (let row = 0; row < this.height; row++) {
let column = this.width
while (
column > 0 &&
(characters[row * this.width + column - 1] === 32 || characters[row * this.width + column - 1] === 0)
)
column--
end = Math.max(end, column)
}
const wipeFront =
this.arrival !== undefined && this.previous
? -WIPE_FEATHER +
coast(this.arrival / ARRIVAL_DURATION) * (Math.max(end, this.previous.width) + WIPE_FEATHER * 2)
: undefined
const cut = Math.max(0, Math.min(this.width, Math.round(wipeFront ?? 0)))
if (wipeFront !== undefined && this.previous) {
this.scratch.clear(TRANSPARENT)
this.scratch.pushScissorRect(0, 0, cut, this.height)
this.scratch.drawTextBuffer(this.textBufferView, 0, 0)
this.scratch.popScissorRect()
// Snapshot slices must also end on whole glyphs; framebuffer clipping alone can split them.
for (let row = 0; row < Math.min(this.height, this.previous.height); row++) {
let left = Math.max(cut, clip.left)
let right = Math.min(this.previous.width, clip.right)
const offset = row * this.previous.width
while (left < right && (this.previous.buffers.char[offset + left] & CONTINUATION) === CONTINUATION) left++
while (
right > left &&
right < this.previous.width &&
(this.previous.buffers.char[offset + right] & CONTINUATION) === CONTINUATION
)
right--
if (right > left) this.scratch.drawFrameBuffer(left, row, this.previous, left, row, right - left, 1)
}
}
this.scratch.clearScissorRects()
if (this.mask.length !== this.width * this.height * 3) this.mask = new Float32Array(this.width * this.height * 3)
if (wipeFront === undefined) {
if (!this.previous)
this.previous = OptimizedBuffer.create(Math.max(1, end), this.height, this._ctx.widthMethod, {
respectAlpha: true,
})
if (this.previous.width !== Math.max(1, end) || this.previous.height !== this.height)
this.previous.resize(Math.max(1, end), this.height)
this.previous.clear(TRANSPARENT)
this.previous.drawFrameBuffer(0, 0, this.scratch)
}
const front = -4 + coast(this.elapsed / SHIMMER_DURATION) * ((this.previous?.width ?? end) + 4 + 18)
const level = smootherstep(this.blend)
let strength = 0
for (let cell = 0; cell < characters.length; cell++) {
const column = cell % this.width
if ((characters[cell] & CONTINUATION) !== CONTINUATION) {
const old = wipeFront === undefined || column >= cut
let visibility = old ? 1 - 0.6 * level * (1 - intensityAt(column, front, 4, 18)) : 1
if (wipeFront !== undefined) {
let width = 1
while (column + width < this.width && (characters[cell + width] & CONTINUATION) === CONTINUATION) width++
const distance = old ? column - wipeFront : wipeFront - (column + width)
visibility *= smootherstep(Math.max(0, Math.min(1, distance / WIPE_FEATHER)))
}
strength = 1 - visibility
}
this.mask[cell * 3] = column
this.mask[cell * 3 + 1] = Math.floor(cell / this.width)
this.mask[cell * 3 + 2] = strength
}
this.scratch.colorMatrix(this.matrix, this.mask, 1, TargetChannel.FG)
buffer.drawFrameBuffer(this.screenX, this.screenY, this.scratch)
this.markClean()
this._ctx.addToHitGrid(this.screenX, this.screenY, this.width, this.height, this.num)
}
override destroy() {
this.previous?.destroy()
this.previous = undefined
this.scratch?.destroy()
this.scratch = undefined
super.destroy()
}
}
extend({ title_shimmer: TitleShimmerRenderable })
declare module "@opentui/solid" {
interface OpenTUIComponents {
title_shimmer: typeof TitleShimmerRenderable
}
}

View file

@ -1,5 +1,6 @@
import { createData } from "@opencode-ai/client/solid"
import type { Plugin } from "@opencode-ai/plugin/tui"
import { createStore } from "solid-js/store"
import { createSimpleContext } from "./helper"
import { useClient } from "./client"
@ -17,6 +18,27 @@ export const { use: useData, provider: DataProvider } = createSimpleContext({
directory: props.directory,
})
data satisfies Plugin.Context["data"]
return data
const [generatingTitles, setGeneratingTitles] = createStore<Record<string, boolean | undefined>>({})
return {
...data,
session: {
...data.session,
title: {
pending: (sessionID: string) => generatingTitles[sessionID] === true,
async generate(sessionID: string) {
if (generatingTitles[sessionID]) return
setGeneratingTitles(sessionID, true)
await client.api.session
.rename({ sessionID, title: "" })
.then(() => {
// The HTTP response can beat the renamed event. Keep pending until the new title is projected locally.
data.session.invalidate(sessionID)
return data.session.sync(sessionID)
})
.finally(() => setGeneratingTitles(sessionID, undefined))
},
},
},
}
},
})

View file

@ -173,6 +173,7 @@ export const { use: useSessionTabs, provider: SessionTabsProvider } = createSimp
? ("question" as const)
: (false as const),
busy: members.some((id) => data.session.status(id) === "running" || data.session.pending.list(id).length > 0),
renaming: data.session.title.pending(session),
}
}

View file

@ -859,9 +859,12 @@ export function Session(props: {
slash: { name: "rename", arguments: true as const },
run: (input?: string) => {
if (input === undefined) return DialogSessionRename.show(dialog, route.sessionID, session()?.title)
void client.api.session
.rename({ sessionID: route.sessionID, title: input.trim() })
.catch((error) => toast.error(error))
const title = input.trim()
void (
title
? client.api.session.rename({ sessionID: route.sessionID, title })
: data.session.title.generate(route.sessionID)
).catch((error) => toast.error(error))
},
},
{

View file

@ -4,6 +4,8 @@ import { useTheme } from "../../context/theme"
import { useConfig } from "../../config"
import { Slot } from "../../plugin/render"
import { withTimestampedFallback } from "@opencode-ai/util/session-title-fallback"
import { TextAttributes } from "@opentui/core"
import "../../component/title-shimmer"
import { getScrollAcceleration } from "../../util/scroll"
import { SESSION_SIDEBAR_WIDTH } from "../../ui/layout"
@ -45,11 +47,24 @@ export function Sidebar(props: { sessionID: string; overlay?: boolean }) {
>
<box flexShrink={0} gap={1} paddingRight={1}>
<box paddingRight={1}>
<text fg={theme.text.default}>
<b>{withTimestampedFallback(session()!)}</b>
</text>
<Show when={session()!.location.workspaceID}>
<text fg={theme.text.subdued}>{session()!.location.workspaceID}</text>
<title_shimmer
fg={theme.text.default}
rename={{
pending: data.session.title.pending(props.sessionID),
title: withTimestampedFallback(session()),
}}
enabled={config.animations ?? true}
backdrop={theme.background.default}
attributes={
data.session.title.pending(props.sessionID) && config.animations === false
? TextAttributes.DIM
: TextAttributes.BOLD
}
>
{withTimestampedFallback(session())}
</title_shimmer>
<Show when={session().location.workspaceID}>
<text fg={theme.text.subdued}>{session().location.workspaceID}</text>
</Show>
</box>
<Slot path="sidebar.content" input={{ sessionID: props.sessionID }} />

View file

@ -223,6 +223,87 @@ test("session title generated while an untitled session is loading remains visib
}
})
test("automatic rename refreshes the displayed title before settling, even without a renamed event", async () => {
await using state = await tmpdir()
const setup = await createTestRenderer({ width: 90, height: 20, useThread: false, kittyKeyboard: true })
setup.renderer.start()
const events = createEventStream()
const response = Promise.withResolvers<Response>()
const bodies: unknown[] = []
const location = { directory, project: { id: "project", directory, canonical: directory } }
const session = {
id: "ses_rename",
title: "Compiler cleanup",
projectID: "project",
location: { directory },
agent: "build",
model: { providerID: "provider", id: "model" },
cost: 0,
tokens: { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
time: { created: 0, updated: 0 },
}
const calls = createFetch(async (url, request) => {
if (url.pathname === "/api/location") return json(location)
if (url.pathname === "/api/agent")
return json({ location, data: [{ id: "build", mode: "primary", hidden: false, permissions: [] }] })
if (url.pathname === "/api/model")
return json({ location, data: [{ id: "model", providerID: "provider", name: "Model", variants: [] }] })
if (url.pathname === "/api/provider") return json({ location, data: [{ id: "provider", name: "Provider" }] })
if (url.pathname === "/api/session") return json({ data: [], cursor: {} })
if (url.pathname === "/api/session/ses_rename") return json({ data: session })
if (/^\/api\/session\/ses_rename\/(message|inbox|permission)$/.test(url.pathname))
return json({ data: [], cursor: {} })
if (url.pathname === "/api/session/ses_rename/rename") {
bodies.push(await request.json())
return response.promise
}
return undefined
}, events)
const server = Bun.serve({ port: 0, fetch: (request) => calls.fetch(request) })
try {
const { run } = await import("../src/app")
const task = Effect.runPromise(
run({
app: { name: "test", version: "test", channel: "test" },
server: { endpoint: { url: server.url.toString() } },
config: {
get: async () => ({
tabs: { enabled: true, layout: "vertical" },
session: { sidebar: "hide" },
}),
update: async () => ({}),
},
packages: { resolve: async () => undefined },
terminalHandoff: async () => ({ renderer: setup.renderer, mode: "dark", complete: () => {} }),
args: { sessionID: session.id },
log: () => {},
}).pipe(Effect.provide(Global.layerWith({ state: state.path })), Effect.provide(FileSystem.layerNoop({}))),
)
await setup.waitForFrame((frame) => frame.includes(session.title) && frame.includes("Build · Model Provider"))
await setup.mockInput.typeText("/rename")
setup.mockInput.pressEscape()
setup.mockInput.pressEnter()
await setup.waitFor(() => bodies.length === 1)
await setup.renderOnce()
expect(bodies[0]).toEqual({ title: "" })
expect(setup.captureCharFrame()).toContain("Compiler cleanup")
session.title = "Simplify compiler parsing"
response.resolve(new Response(null, { status: 204 }))
await setup.waitForFrame((frame) => frame.includes(session.title), { maxPasses: 60 })
expect(setup.captureCharFrame()).not.toContain("Compiler cleanup")
setup.renderer.destroy()
await task
} finally {
response.resolve(new Response(null, { status: 204 }))
if (!setup.renderer.isDestroyed) setup.renderer.destroy()
await server.stop()
}
})
test("session startup prompt is submitted exactly once", async () => {
const setup = await createTestRenderer({ width: 80, height: 24, useThread: false })
const events = createEventStream()

View file

@ -0,0 +1,145 @@
import { expect, test } from "bun:test"
import { BoxRenderable, RGBA, TextAttributes, TextRenderable } from "@opentui/core"
import { createTestRenderer, ManualClock } from "@opentui/core/testing"
import { TitleShimmerRenderable } from "../../src/component/title-shimmer"
test("shimmer fades in from idle and fades out on unchanged completion", async () => {
const clock = new ManualClock()
const app = await createTestRenderer({ width: 24, height: 1, useThread: false, clock })
const title = new TitleShimmerRenderable(app.renderer, {
width: 24,
height: 1,
content: "Compiler cleanup",
fg: "#eeeeee",
backdrop: RGBA.fromHex("#111111"),
rename: { title: "Compiler cleanup", pending: false },
})
app.renderer.root.add(title)
try {
await app.renderOnce()
const frame = app.captureCharFrame()
const colors = app.captureSpans()
clock.advance(2000)
title.rename = { title: "Compiler cleanup", pending: true }
await app.renderOnce()
expect(app.captureSpans()).toEqual(colors)
clock.advance(120)
await app.renderOnce()
const middle = app.captureSpans().lines[0].spans.findLast((span) => span.text.trim())?.fg.r ?? 0
expect(middle).toBeLessThan(colors.lines[0].spans[0].fg.r)
clock.advance(120)
await app.renderOnce()
expect(app.captureSpans().lines[0].spans.findLast((span) => span.text.trim())?.fg.r ?? 0).toBeLessThan(middle)
expect(app.captureSpans()).not.toEqual(colors)
expect(app.captureCharFrame()).toBe(frame)
title.rename = { title: "Compiler cleanup", pending: false }
await app.renderOnce()
expect(app.renderer.root.liveCount).toBe(1)
clock.advance(240)
await app.renderOnce()
expect(app.renderer.root.liveCount).toBe(0)
expect(app.captureSpans()).toEqual(colors)
title.enabled = false
title.rename = { title: "Compiler cleanup", pending: true }
await app.renderOnce()
expect(app.renderer.root.liveCount).toBe(0)
} finally {
app.renderer.destroy()
}
})
test("a feathered wipe keeps the old shimmer moving without dimming the revealed new title", async () => {
const clock = new ManualClock()
const app = await createTestRenderer({ width: 16, height: 1, useThread: false, clock })
const title = new TitleShimmerRenderable(app.renderer, {
width: 16,
height: 1,
content: "ABCDEFGHIJKLMNOP",
fg: "#eeeeee",
attributes: TextAttributes.ITALIC,
backdrop: RGBA.fromHex("#111111"),
rename: { title: "ABCDEFGHIJKLMNOP", pending: true },
})
app.renderer.root.add(title)
try {
await app.renderOnce()
clock.advance(600)
await app.renderOnce()
const colors = app.captureSpans()
title.content = "abcdefghijklmnop"
title.rename = { title: "abcdefghijklmnop", pending: true }
await app.renderOnce()
expect(app.captureCharFrame().trim()).toBe("ABCDEFGHIJKLMNOP")
expect(app.captureSpans()).toEqual(colors)
clock.advance(225)
await app.renderOnce()
expect(app.captureCharFrame().trim()).toBe("abcdefghIJKLMNOP")
const spans = app.captureSpans().lines[0].spans
expect(spans[0].fg.equals(RGBA.fromHex("#eeeeee"))).toBe(true)
expect(spans.some((span) => span.fg.equals(RGBA.fromHex("#111111")))).toBe(true)
expect(spans.at(-1)?.fg.toInts()).not.toEqual(colors.lines[0].spans.at(-1)?.fg.toInts())
expect(spans.every((span) => Boolean(span.attributes & TextAttributes.ITALIC))).toBe(true)
clock.advance(225)
await app.renderOnce()
expect(app.captureCharFrame().trim()).toBe("abcdefghijklmnop")
expect(app.renderer.root.liveCount).toBe(0)
title.rename = { title: "abcdefghijklmnop", pending: false }
title.content = "Manual"
title.rename = { title: "Manual", pending: false }
await app.renderOnce()
expect(app.captureCharFrame().trim()).toBe("Manual")
expect(app.renderer.root.liveCount).toBe(0)
title.rename = { title: "Manual", pending: true }
await app.renderOnce()
title.content = "Next"
title.rename = { title: "Next", pending: false }
title.enabled = false
await app.renderOnce()
expect(app.captureCharFrame().trim()).toBe("Next")
title.enabled = true
expect(app.renderer.root.liveCount).toBe(0)
} finally {
app.renderer.destroy()
}
})
test("native Unicode clipping and shorter replacement leave no split glyphs or old tail", async () => {
const clock = new ManualClock()
const app = await createTestRenderer({ width: 24, height: 3, useThread: false, clock })
const content = "A\u65e5B \u{1f680} cafe\u0301"
const title = new TitleShimmerRenderable(app.renderer, {
width: 20,
height: 1,
content,
fg: "#eeeeee",
wrapMode: "none",
backdrop: RGBA.fromHex("#111111"),
rename: { title: content, pending: true },
})
const plain = new TextRenderable(app.renderer, { width: 20, height: 1, content, wrapMode: "none" })
const shadedBox = new BoxRenderable(app.renderer, { width: 6, height: 1, marginLeft: 2, overflow: "hidden" })
const plainBox = new BoxRenderable(app.renderer, { width: 6, height: 1, marginLeft: 2, overflow: "hidden" })
shadedBox.add(title)
plainBox.add(plain)
app.renderer.root.add(shadedBox)
app.renderer.root.add(plainBox)
app.renderer.root.add(new TextRenderable(app.renderer, { content: "untouched" }))
try {
await app.renderOnce()
expect(app.captureCharFrame().split("\n")[0]).toBe(app.captureCharFrame().split("\n")[1])
title.content = "Short"
title.rename = { title: "Short", pending: false }
clock.advance(200)
await app.renderOnce()
expect(app.captureCharFrame().split("\n")[0].trim()).toBe("Sh B")
expect(app.captureCharFrame().split("\n")[2]).toContain("untouched")
clock.advance(250)
await app.renderOnce()
expect(app.captureCharFrame().split("\n")[0].trim()).toBe("Short")
expect(app.renderer.root.liveCount).toBe(0)
} finally {
app.renderer.destroy()
}
})