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leoiphonedev/UITapGesture.swift

Last active May 3, 2025 20:08
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  1. leoiphonedev revised this gist Feb 8, 2023. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion UITapGesture.swift
    View file
    Original file line number Diff line number Diff line change
    @@ -24,7 +24,7 @@ extension UITapGestureRecognizer {
    y: (labelSize.height - textBoundingBox.size.height) * 0.5 - textBoundingBox.origin.y);
    let locationOfTouchInTextContainer = CGPoint(x: locationOfTouchInLabel.x - textContainerOffset.x,
    y: locationOfTouchInLabel.y - textContainerOffset.y);
    let indexOfCharacter = layoutManager.characterIndex(for: locationOfTouchInTextContainer, in: textContainer, fractionOfDistanceBetweenInsertionPoints: nil)
    var indexOfCharacter = layoutManager.characterIndex(for: locationOfTouchInTextContainer, in: textContainer, fractionOfDistanceBetweenInsertionPoints: nil)
    indexOfCharacter = indexOfCharacter + 4
    return NSLocationInRange(indexOfCharacter, targetRange)
    }
  2. leoiphonedev revised this gist May 13, 2020. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion UITapGesture.swift
    View file
    Original file line number Diff line number Diff line change
    @@ -25,7 +25,7 @@ extension UITapGestureRecognizer {
    let locationOfTouchInTextContainer = CGPoint(x: locationOfTouchInLabel.x - textContainerOffset.x,
    y: locationOfTouchInLabel.y - textContainerOffset.y);
    let indexOfCharacter = layoutManager.characterIndex(for: locationOfTouchInTextContainer, in: textContainer, fractionOfDistanceBetweenInsertionPoints: nil)

    indexOfCharacter = indexOfCharacter + 4
    return NSLocationInRange(indexOfCharacter, targetRange)
    }

  3. leoiphonedev created this gist Aug 7, 2019.
    32 changes: 32 additions & 0 deletions UITapGesture.swift
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,32 @@
    extension UITapGestureRecognizer {

    func didTapAttributedTextInLabel(label: UILabel, inRange targetRange: NSRange) -> Bool {
    // Create instances of NSLayoutManager, NSTextContainer and NSTextStorage
    let layoutManager = NSLayoutManager()
    let textContainer = NSTextContainer(size: CGSize.zero)
    let textStorage = NSTextStorage(attributedString: label.attributedText!)

    // Configure layoutManager and textStorage
    layoutManager.addTextContainer(textContainer)
    textStorage.addLayoutManager(layoutManager)

    // Configure textContainer
    textContainer.lineFragmentPadding = 0.0
    textContainer.lineBreakMode = label.lineBreakMode
    textContainer.maximumNumberOfLines = label.numberOfLines
    let labelSize = label.bounds.size
    textContainer.size = labelSize

    // Find the tapped character location and compare it to the specified range
    let locationOfTouchInLabel = self.location(in: label)
    let textBoundingBox = layoutManager.usedRect(for: textContainer)
    let textContainerOffset = CGPoint(x: (labelSize.width - textBoundingBox.size.width) * 0.5 - textBoundingBox.origin.x,
    y: (labelSize.height - textBoundingBox.size.height) * 0.5 - textBoundingBox.origin.y);
    let locationOfTouchInTextContainer = CGPoint(x: locationOfTouchInLabel.x - textContainerOffset.x,
    y: locationOfTouchInLabel.y - textContainerOffset.y);
    let indexOfCharacter = layoutManager.characterIndex(for: locationOfTouchInTextContainer, in: textContainer, fractionOfDistanceBetweenInsertionPoints: nil)

    return NSLocationInRange(indexOfCharacter, targetRange)
    }

    }