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shared dropdown: don't reopen when the trigger is clicked while open

Browse source 
mara, #3775: clicking a badge with its own dropdown open reopens it
instead of closing it. Root cause: the outside-click listener only
excludes the dropdown's own ref, not the sibling trigger that opened
it — a click on the trigger closes via that listener (pointerdown
fires first), then the trigger's own onClick toggle fires straight
after and reopens it, since its closure reads the pre-close state.

Dropdown now takes an optional anchorRef (the trigger's wrapper,
which callers already have for CSS positioning) and excludes it from
the outside-click check too — the same shape MetaNav's own hand-rolled
popover already uses correctly. Wired into StatusChips's Picker +
StatusMenu and swarm-ui's ComponentsPage demo (the only three Dropdown
consumers).

Verified two ways: reverted the fix, rebuilt, confirmed the bug
reproduces via a raw-CDP interaction test (two real clicks dispatched
through headless chromium, not just a static screenshot); restored
the fix, rebuilt, confirmed it passes.
This commit is contained in:
iris 2026-08-30 15:29:59 +02:00
commit b1254f89cd
3 changed files with 33 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

10
frontend/packages/agent/src/components/StatusChips.tsx
View file

@ -10,7 +10,7 @@
// selection state live in the caller (`Root.tsx`, via the
// `useAgentState` hook), so this component can still be demoed and
// reviewed against plain sample data independent of live `/api/state`.
import { useState } from 'preact/hooks';
import { useRef, useState } from 'preact/hooks';
import { Badge, type BadgeTone } from '@hive/shared/badge.js';
import { Dropdown, type DropdownOption } from '@hive/shared/dropdown.js';
import './StatusChips.css';
@ -68,13 +68,14 @@ function Picker({
title?: string;
}) {
const [open, setOpen] = useState(false);
const anchorRef = useRef<HTMLDivElement>(null);
const dropdownOptions: DropdownOption[] = options.map((name) => ({
value: name,
label: name,
description: descriptions[name] || undefined,
}));
return (
<div class="status-chip-anchor">
<div class="status-chip-anchor" ref={anchorRef}>
<Badge label={label} value={value} onClick={() => setOpen((o) => !o)} expanded={open} title={title} />
<Dropdown
open={open}
@ -86,6 +87,7 @@ function Picker({
setOpen(false);
}}
onClose={() => setOpen(false)}
anchorRef={anchorRef}
/>
</div>
);
@ -112,6 +114,7 @@ function StatusMenu({
>) {
const [open, setOpen] = useState(false);
const [confirmCancel, setConfirmCancel] = useState(false);
const anchorRef = useRef<HTMLDivElement>(null);
function close() {
setOpen(false);
@ -128,7 +131,7 @@ function StatusMenu({
}
return (
<div class="status-chip-anchor">
<div class="status-chip-anchor" ref={anchorRef}>
<Badge
value={statusLabel}
tone={statusTone}
@ -155,6 +158,7 @@ function StatusMenu({
close();
}}
onClose={close}
anchorRef={anchorRef}
/>
</div>
);

25
frontend/packages/shared/src/dropdown/Dropdown.tsx
View file

@ -15,7 +15,7 @@
// document-flow header never needs one, and skipping it keeps focus
// management simple (no re-parenting to `<body>` to reason about).
import { useEffect, useRef } from 'preact/hooks';
import type { ComponentChildren } from 'preact';
import type { ComponentChildren, RefObject } from 'preact';
import './Dropdown.css';
export interface DropdownOption {
@ -35,15 +35,34 @@ export interface DropdownProps {
onClose: () => void;
/** `aria-label` for the option list (e.g. "select model"). */
label: string;
/**
* Ref to the trigger badge/button that opened this dropdown. Without
* it, a click on the trigger while open closes-then-reopens instead
* of closing: the trigger's own `onClick` toggles `open`, but this
* component's outside-click listener doesn't know the trigger is
* "part of" the dropdown (it's a sibling, not a descendant of this
* `<div>`), so it *also* fires `onClose` on the same click — the two
* updates race, and the toggle's `!open` reads the pre-close value
* and wins, reopening it (mara: "clicking badge with open drop down
* reopens it instead of closing it"). Passing the same ref the
* caller's wrapper div already needs for CSS positioning excludes
* clicks on the trigger from the outside-click check, matching how
* `MetaNav`'s own hand-rolled popover (which wraps trigger+popover in
* one ref) already avoids this.
*/
anchorRef?: RefObject<HTMLElement>;
}
export function Dropdown({ open, options, activeValue, onSelect, onClose, label }: DropdownProps) {
export function Dropdown({ open, options, activeValue, onSelect, onClose, label, anchorRef }: DropdownProps) {
const ref = useRef<HTMLDivElement>(null);
useEffect(() => {
if (!open) return;
function handlePointerDown(e: PointerEvent) {
if (ref.current && e.target instanceof Node && !ref.current.contains(e.target)) onClose();
if (!(e.target instanceof Node)) return;
if (ref.current?.contains(e.target)) return;
if (anchorRef?.current?.contains(e.target)) return;
onClose();
}
function handleKeyDown(e: KeyboardEvent) {
if (e.key === 'Escape') onClose();

6
frontend/packages/swarm-ui/src/pages/ComponentsPage.tsx
View file

@ -5,7 +5,7 @@
// primitive gets a section here the same day it's added. Sample data
// only, no network calls — this page must render the same whether
// swarm-controller's API is up or not.
import { useState } from 'preact/hooks';
import { useRef, useState } from 'preact/hooks';
import type { ComponentChildren } from 'preact';
import { Panel } from '../ui/panel/Panel.js';
import { RelativeTime } from '../ui/relative-time/RelativeTime.js';
@ -101,8 +101,9 @@ function RefreshIntervalPickerSample() {
function BadgePickerSample() {
const [value, setValue] = useState('sonnet');
const [open, setOpen] = useState(false);
const anchorRef = useRef<HTMLDivElement>(null);
return (
<div class="components-badge-anchor">
<div class="components-badge-anchor" ref={anchorRef}>
<Badge
label="model"
value={value}
@ -119,6 +120,7 @@ function BadgePickerSample() {
setOpen(false);
}}
onClose={() => setOpen(false)}
anchorRef={anchorRef}
/>
</div>
);