ConstReadonlyAllowDuplicateId: 32Allow duplicate IDs this frame without the debug conflict tooltip.
ReadonlyAutoClosePopups: 16MenuItem/Selectable close their parent popup on activation (default).
ReadonlyButtonRepeat: 8Repeat button-like activation using IO key-repeat delay and rate.
ReadonlyNoNav: 2Reject keyboard/gamepad focus and SetKeyboardFocusHere().
ReadonlyNoNavDefaultFocus: 4Exclude the item from default-focus candidates.
ReadonlyNone: 0No additional item options.
ReadonlyNoTabStop: 1Skip the item when navigating with Tab.
Shared widget behavior controlled by PushItemFlag().