61 lines
2.9 KiB
Swift
61 lines
2.9 KiB
Swift
//
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// Copyright (c) 2022 Loverde Co.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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import Foundation
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#if canImport(UIKit) && os(iOS) || os(macOS)
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import UIKit
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public extension UITapGestureRecognizer {
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func didTapAttributedTextInLabel(label: UILabel, textToTouch: String) -> Bool {
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let targetRange = NSString().range(of: textToTouch)
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let layoutManager = NSLayoutManager()
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let textContainer = NSTextContainer(size: CGSize.zero)
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let textStorage = NSTextStorage(attributedString: label.attributedText!)
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layoutManager.addTextContainer(textContainer)
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textStorage.addLayoutManager(layoutManager)
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textContainer.lineFragmentPadding = 0.0
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textContainer.lineBreakMode = label.lineBreakMode
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textContainer.maximumNumberOfLines = label.numberOfLines
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let labelSize = label.bounds.size
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textContainer.size = labelSize
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let locationOfTouchInLabel = self.location(in: label)
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let textBoundingBox = layoutManager.usedRect(for: textContainer)
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let textContainerOffset = CGPoint(x: (labelSize.width - textBoundingBox.size.width) * 0.5 - textBoundingBox.origin.x,
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y: (labelSize.height - textBoundingBox.size.height) * 0.5 - textBoundingBox.origin.y)
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let locationOfTouchInTextContainer = CGPoint(x: locationOfTouchInLabel.x - textContainerOffset.x,
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y: locationOfTouchInLabel.y - textContainerOffset.y)
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let indexOfCharacter = layoutManager.characterIndex(for: locationOfTouchInTextContainer,
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in: textContainer,
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fractionOfDistanceBetweenInsertionPoints: nil)
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return NSLocationInRange(indexOfCharacter, targetRange)
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}
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}
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#endif
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