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16 lines
656 B
Swift
16 lines
656 B
Swift
6 years ago
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extension UILabel {
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func characterIndex(for point: CGPoint) -> Int {
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let textStorage = NSTextStorage(attributedString: attributedText!)
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let layoutManager = NSLayoutManager()
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textStorage.addLayoutManager(layoutManager)
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let textContainer = NSTextContainer(size: bounds.size)
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textContainer.lineFragmentPadding = 0
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textContainer.maximumNumberOfLines = numberOfLines
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textContainer.lineBreakMode = lineBreakMode
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layoutManager.addTextContainer(textContainer)
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return layoutManager.characterIndex(for: point, in: textContainer, fractionOfDistanceBetweenInsertionPoints: nil)
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}
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}
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