baseWritingDirection(for:in:)
Returns the base writing direction for a position in the text going in a certain direction.
Declaration
func baseWritingDirection(for position: UITextPosition, in direction: UITextStorageDirection) -> NSWritingDirectionParameters
- position:
An object that identifies a location in a document.
- direction:
A constant that indicates a direction of storage (forward or backward).
Return Value
A constant that represents a writing direction (for example, left-to-right or right-to-left).
Discussion
The base writing direction is set previously when the text input system sends a setBaseWritingDirection(_:for:) message to the conforming document object.