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spec(useMenuPress): a finger opens a sub-menu by lifting, and a handed-off finger is the opening press (DEC-8) #8451

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cixzhang merged 4 commits into from
Oct 25, 2026
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spec(useMenuPress): a finger opens a sub-menu by lifting, and a handed-off finger is the opening press (DEC-8) #8451

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spec(useMenuPress): proposed: a finger's touch model, sub-menu rows, …
cixzhang Oct 25, 2026
0e8372f
spec(useMenuPress): FR10, FR11, AR5 decided (DEC-8); FR9 unchanged; t…
cixzhang Oct 25, 2026
3ed1456
spec(useMenuPress): FR11's finger rule applies where the primary poin…
cixzhang Oct 25, 2026
3108132
spec(useMenuPress): DEC-8 handoff is coarse-pointer; AR5 covers every…
cixzhang Oct 25, 2026
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14 changes: 6 additions & 8 deletions docs/specs/AST-094-touch-presentations/spec.md
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Expand Up @@ -592,17 +592,15 @@ that reacts to scrolling keeps hearing it.
sits between a 12 pt move that opened the menu and a 14 pt move that did
not. Is that bracket its justification, or does it need a finer
measurement? (`owner decision`)
- **OQ6 — Opening a sub-menu without a lift.** A sub-menu drills in when a
finger lifts on its row (FR26, FR34). Can a held finger also open it
by resting on that row, and keep picking inside it without lifting?
`module:DropdownMenu/useMenuPress` ORD1a covers only a mouse.
(`owner decision`)
- **OQ6 — Opening a sub-menu without a lift.** Resolved by
`module:DropdownMenu/useMenuPress` DEC-8: a finger resting on a sub-menu row
never opens it; a lift on the row does (its FR10).
- **OQ7 — The opening haptic.** UIKit plays a haptic as a held finger
opens a menu; a page in iOS Safari cannot (FR23). Where does the menu record
that gap? (`owner decision`)
- **OQ8 — Withdrawing a tentative open.** What does a screen reader hear when
a menu that a held finger opened is withdrawn by a cancel before the
finger reached it? (`owner decision`)
- **OQ8 — Withdrawing a tentative open.** Resolved by
`module:DropdownMenu/useMenuPress` DEC-8: nothing withdraws an open, so a
screen reader hears one open and one close (its AR5).
- **OQ9 — Where a menu sits on a compact touch screen.** Should an anchored
menu on a compact touch screen (`spec:AST-012` FR9) cover its trigger,
centered on it and top-aligned with it, or bottom-aligned with it when the
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