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Keep <Combobox /> open when clicking in scrollbar on <ComboboxOptions> #3249

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May 28, 2024
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4 changes: 4 additions & 0 deletions packages/@headlessui-react/CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

- Add ability to render multiple `<Dialog />` components at once (without nesting them) ([#3242](https://github.com/tailwindlabs/headlessui/pull/3242))

### Fixed

- Keep `<Combobox />` open when clicking scrollbar in `<ComboboxOptions>` ([#3249](https://github.com/tailwindlabs/headlessui/pull/3249))

## [2.0.4] - 2024-05-25

### Fixed
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13 changes: 13 additions & 0 deletions packages/@headlessui-react/src/components/combobox/combobox.tsx
Original file line number Diff line number Diff line change
Expand Up @@ -1676,6 +1676,18 @@ function OptionsFn<TTag extends ElementType = typeof DEFAULT_OPTIONS_TAG>(
actions.setActivationTrigger(ActivationTrigger.Pointer)
})

// When clicking inside of the scrollbar, a `click` event will be triggered on
// the focusable element _below_ the scrollbar. If you use a `<Combobox>`
// inside of a `<Dialog>`, clicking the scrollbar of the `<ComboboxOptions>`
// will move focus to the `<Dialog>` which blurs the `<ComboboxInput>` and
// closes the `<Combobox>`.
//
// Preventing the default behavior in the `mousedown` event (which happens
// before `click`) will prevent this issue because the `click` never fires.
let handleMouseDown = useEvent((event: ReactMouseEvent) => {
event.preventDefault()
})

let ourProps = mergeProps(anchor ? getFloatingPanelProps() : {}, {
'aria-labelledby': labelledBy,
role: 'listbox',
Expand All @@ -1688,6 +1700,7 @@ function OptionsFn<TTag extends ElementType = typeof DEFAULT_OPTIONS_TAG>(
'--button-width': useElementSize(data.buttonRef, true).width,
} as CSSProperties,
onWheel: handleWheel,
onMouseDown: handleMouseDown,
})

// Map the children in a scrollable container when virtualization is enabled
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