40 lines
1.2 KiB
Swift
40 lines
1.2 KiB
Swift
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// KeyboardHelper.swift
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// Pi-Helper
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//
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// Created by Billy Brawner on 1/23/20.
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// Copyright © 2020 William Brawner. All rights reserved.
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//
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// Adapted from https://stackoverflow.com/a/59098816
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import SwiftUI
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import Combine
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struct KeyboardHelper: ViewModifier {
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@State private var keyboardHeight: CGFloat = 0
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private var keyboardHeightPublisher: AnyPublisher<CGFloat, Never> {
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Publishers.Merge(
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NotificationCenter.default
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.publisher(for: UIResponder.keyboardWillShowNotification)
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.compactMap { $0.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue }
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.map { $0.cgRectValue.height },
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NotificationCenter.default
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.publisher(for: UIResponder.keyboardWillHideNotification)
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.map { _ in CGFloat(0) }
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).eraseToAnyPublisher()
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}
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func body(content: Content) -> some View {
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content
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.padding(.bottom, keyboardHeight)
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.onReceive(keyboardHeightPublisher) { self.keyboardHeight = $0 }
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}
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}
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extension View {
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func keyboardAwarePadding() -> some View {
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ModifiedContent(content: self, modifier: KeyboardHelper())
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}
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}
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