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fix(web): collapsed composer reserves room for wide send actions #17016

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Merged
maria-rcks merged 3 commits into from
Oct 8, 2026
+20 −11
Merged

fix(web): collapsed composer reserves room for wide send actions #17016

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26da524
fix(web): collapsed composer reserves room for wide send actions
maria-rcks Oct 8, 2026
fa48719
style(web): format resting composer row
maria-rcks Oct 8, 2026
1bed22e
fix(web): describe compact chip in resting composer comment
maria-rcks Oct 8, 2026
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31 changes: 20 additions & 11 deletions apps/web/src/components/chat/ChatComposer.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -5220,6 +5220,19 @@ export const ChatComposer = memo(function ChatComposer(props: ChatComposerProps)
useLayoutEffect(() => {
onRestingChange(isComposerResting);
}, [isComposerResting, onRestingChange]);
// The resting footer floats over the prompt row, so the row reserves its
// measured width. Wide actions like the compact-before-send chip vary too much for a fixed inset.
const [restingActionsElement, setRestingActionsElement] = useState<HTMLDivElement | null>(null);
const [restingActionsWidth, setRestingActionsWidth] = useState<number | null>(null);
useLayoutEffect(() => {
if (!isComposerResting || !restingActionsElement) return;
const measure = () => setRestingActionsWidth(restingActionsElement.offsetWidth);
measure();
if (typeof ResizeObserver === "undefined") return;
const observer = new ResizeObserver(measure);
observer.observe(restingActionsElement);
return () => observer.disconnect();
}, [isComposerResting, restingActionsElement]);
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const restingImagePreviewCounts = getRestingComposerImagePreviewCounts(
standaloneComposerImages.length,
);
Expand Down Expand Up @@ -7376,17 +7389,12 @@ export const ChatComposer = memo(function ChatComposer(props: ChatComposerProps)
)}

<div
className={cn(
"relative",
isComposerResting && "flex min-w-0 items-center gap-1",
isComposerResting &&
((settings.contextWindowMeterEnabled && activeContextWindow) ||
reserveContextWindowMeter
? "pr-28"
: showComposerAttachAction
? "pr-20"
: "pr-12"),
)}
className={cn("relative", isComposerResting && "flex min-w-0 items-center gap-1")}
style={
isComposerResting && restingActionsWidth !== null
? { paddingRight: `calc(${restingActionsWidth}px + 1rem)` }
: undefined
}
>
{previewFile ? (
<Dialog
Expand Down Expand Up @@ -7565,6 +7573,7 @@ export const ChatComposer = memo(function ChatComposer(props: ChatComposerProps)

{/* Right side: send / stop button */}
<div
ref={setRestingActionsElement}
data-chat-composer-actions="right"
data-chat-composer-transition-actions="true"
data-chat-composer-primary-actions-compact={
Expand Down
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