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feat(web): add scroll to bottom pill in chat view #619

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Merged
juliusmarminge merged 4 commits into from
Mar 14, 2026
Merged

feat(web): add scroll to bottom pill in chat view #619

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1b23d54
feat(web): add scroll to bottom pill in chat view
saishankar404 Mar 9, 2026
21a6c3a
fix scroll to bottom pill positioning
saishankar404 Mar 13, 2026
245a57f
refactor: simplify scroll-to-bottom pill with pure CSS positioning
saishankar404 Mar 14, 2026
fa44d8f
resolve chatview conflict
saishankar404 Mar 14, 2026
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16 changes: 16 additions & 0 deletions apps/web/src/components/ChatView.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -624,6 +624,7 @@ export default function ChatView({ threadId }: ChatViewProps) {
(store) => store.draftThreadsByThreadId[threadId] ?? null,
);
const promptRef = useRef(prompt);
const [showScrollToBottom, setShowScrollToBottom] = useState(false);
const [isDragOverComposer, setIsDragOverComposer] = useState(false);
const [expandedImage, setExpandedImage] = useState<ExpandedImagePreview | null>(null);
const [optimisticUserMessages, setOptimisticUserMessages] = useState<ChatMessage[]>([]);
Expand Down Expand Up @@ -1843,6 +1844,7 @@ export default function ChatView({ threadId }: ChatViewProps) {
}
}

setShowScrollToBottom(!shouldAutoScrollRef.current);
lastKnownScrollTopRef.current = currentScrollTop;
}, []);
const onMessagesWheel = useCallback((event: React.WheelEvent<HTMLDivElement>) => {
Expand Down Expand Up @@ -3524,6 +3526,20 @@ export default function ChatView({ threadId }: ChatViewProps) {
/>
</div>

{/* scroll to bottom pill — shown when user has scrolled away from the bottom */}
{showScrollToBottom && (
<div className="flex justify-center py-1.5">
<button
type="button"
onClick={() => scrollMessagesToBottom("smooth")}
className="flex items-center gap-1.5 rounded-full border border-border/60 bg-card px-3 py-1 text-muted-foreground text-xs shadow-sm transition-colors hover:bg-accent hover:text-accent-foreground"
>
<ChevronDownIcon className="size-3.5" />
Scroll to bottom
</button>
</div>
)}

{/* Input bar */}
<div className={cn("px-3 pt-1.5 sm:px-5 sm:pt-2", isGitRepo ? "pb-1" : "pb-3 sm:pb-4")}>
<form
Expand Down