ConstReadonlyBoxSelect1d: 64Box-select items sharing the same horizontal position and width.
ReadonlyBoxSelect2d: 128Box-select varying widths/positions; checks clipped items and costs more.
ReadonlyBoxSelectNoScroll: 256Do not auto-scroll when box selection reaches scope edges.
ReadonlyClearOnClickVoid: 1024Clear selection when clicking empty space inside the scope.
ReadonlyClearOnEscape: 512Escape clears selection while this scope has focus.
ReadonlyNavWrapX: 65536Temporary option: wrap horizontal navigation between rows.
ReadonlyNoAutoClear: 16Preserve existing selection when navigating or selecting another item.
ReadonlyNoAutoClearOnReselect: 32Preserve the selection when clicking an already-selected item.
ReadonlyNoAutoSelect: 8Navigation does not automatically select the focused item.
ReadonlyNone: 0Use standard multi-selection behavior.
ReadonlyNoRangeSelect: 4Disable Shift ranges and merging of contiguous box-selection requests.
ReadonlyNoSelectAll: 2Disable the Ctrl+A select-all shortcut.
ReadonlyScopeRect: 4096Limit box selection and empty-space clearing to Begin/EndMultiSelect bounds.
ReadonlyScopeWindow: 2048Use the whole window for box selection and empty-space clearing (default).
ReadonlySelectOnClick: 8192Select an unselected item on mouse-down (default).
ReadonlySelectOnClickRelease: 16384Select on release, allowing an unselected item to be dragged unchanged.
ReadonlySingleSelect: 1Limit selection to one item while retaining the multi-select API.
Multi-selection gestures, clearing rules and interaction scope.