From f687fc96a6160bd4c4042301e9a4ced06ed888dc Mon Sep 17 00:00:00 2001
From: Maurice Parker <mo@vincode.io>
Date: Fri, 8 Nov 2019 20:38:24 -0600
Subject: [PATCH] Added haptic feedback to tick mark slider.

---
 iOS/UIKit Extensions/TickMarkSlider.swift | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/iOS/UIKit Extensions/TickMarkSlider.swift b/iOS/UIKit Extensions/TickMarkSlider.swift
index 69fa34f64..9c111c738 100644
--- a/iOS/UIKit Extensions/TickMarkSlider.swift	
+++ b/iOS/UIKit Extensions/TickMarkSlider.swift	
@@ -10,8 +10,21 @@ import UIKit
 
 class TickMarkSlider: UISlider {
 
+	private var enableFeedback = false
+	private let feedbackGenerator = UISelectionFeedbackGenerator()
+	
+	override var value: Float {
+		didSet {
+			if enableFeedback && value.truncatingRemainder(dividingBy: 1) == 0 {
+				feedbackGenerator.selectionChanged()
+			}
+		}
+	}
+	
 	func addTickMarks() {
 
+		enableFeedback = true
+		
 		let numberOfGaps = Int(maximumValue) - Int(minimumValue)
 		
 		var gapLayoutGuides = [UILayoutGuide]()