Improve documentation primarily around pointer support

Author: daprice

README.md

@@ -17,14 +17,18 @@ A slider control designed to be easy to grab and use because it can be dragged o
 - Supports light & dark appearance using semantic system colors by default (iOS 13+)
 - Adjustable haptic feedback (iOS 10+)
 - VoiceOver support
+- Supports pointer (e.g. trackpad or mouse) based scrolling on iPadOS (iOS 13.4+)
 
 ## Example
 
 To run the example project, clone the repo, and run `pod install` from the Example directory first.
 
 ## Requirements
 
-iOS 8.0+ (iOS 10.0+ required for haptic feedback)
+iOS 8.0+
+
+- iOS 10.0+ required for haptic feedback
+- iPadOS 13.4+ required for pointer use
 
 ## Installation
 
@@ -59,7 +63,8 @@ slider.reverseValueAxis = true
 ```swift
 slider.isContinuous = false
 slider.enableTapping = false // allow or disallow tapping anywhere on the slider track to instantly set a value
-slider.scaleUpWhenInUse = true // make the slider puff up slightly while being dragged
+slider.feedbackStyle = .medium // customize haptic feedback
+slider.isScrollingEnabled = false // allow or disallow scrolling to adjust the slider using a connected pointing device on iPadOS
 ```
 
 ### Changing colors and appearance
@@ -68,6 +73,7 @@ slider.scaleUpWhenInUse = true // make the slider puff up slightly while being d
 slider.trackBackground = UIColor.black.withAlpha(0.8) // use translucent black for the slider track
 slider.tintColor = UIColor.systemGreen // use dynamic green for the slider thumb
 slider.cornerRadius = 12
+slider.isPointerInteractionEnabled = true // display a hover effect when under the pointer on iPadOS
 ```
 
 ### Interface Builder

TactileSlider/Classes/TactileSlider.swift

@@ -108,6 +108,8 @@ import UIKit
 	/// If true, the slider can be adjusted by scrolling with a pointing device (e.g. two-finger scrolling with a trackpad or scrolling a mouse wheel).
 	///
 	/// - Requires: iOS 13.4
+	///
+	///   This setting only affects iPadOS with a connected pointing device.
 	@IBInspectable open var isScrollingEnabled: Bool = true {
 		didSet {
 			if #available(iOS 13.4, *) {
@@ -116,12 +118,16 @@ import UIKit
 		}
 	}
 
-	/// If true, the slider will use a hover effect as the pointer hovers over it.
+	/// If true, the slider will display a hover effect as the pointer hovers over it.
 	///
 	/// Override the `pointerStyle(with:)` method to customize the effect.
 	///
+	/// - Note: Enabling this option is intended to communicate to the user that they can easily perform an action using the pointer. Enabling `isScrollingEnabled`, `enableTapping`, __and__ allowing at least indirect touches using `allowedTapTypes` is recommended if this option is enabled.
+	///
 	/// - Requires: iOS 13.4
-	@IBInspectable open var isPointerInteractionEnabled: Bool = true
+	///
+	///   This setting only affects iPadOS with a connected pointing device.
+	@IBInspectable open var isPointerInteractionEnabled: Bool = false
 
 	/// If true, the slider will animate its scale when it is being dragged
 	///
@@ -130,7 +136,7 @@ import UIKit
 
 	/// The color of the track the slider slides along
 	///
-	/// - Note: By default, this is set to `tertiarySystemFill`, which the [documentation](https://developer.apple.com/documentation/uikit/uicolor/ui_element_colors) specifies is for filling large shapes. Be sure to use an appropriate fill color for the size of the control.
+	/// - Note: By default, this is set to `tertiarySystemFill`, which is intended for filling large shapes. Be sure to [choose an appropriate fill color](https://developer.apple.com/documentation/uikit/uicolor/ui_element_colors) for the size of the control.
 	///
 	/// - Important: On iOS versions prior to iOS 13 that do not support dynamic system colors, this defaults to `lightGray`.
 	@IBInspectable open var trackBackground: UIColor = {