64 lines
1.5 KiB
Swift
64 lines
1.5 KiB
Swift
import Combine
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import SwiftUI
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#if !os(macOS)
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import UIKit
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#endif
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public extension Publishers {
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static var keyboardHeight: AnyPublisher<CGFloat, Never> {
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#if os(iOS)
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let willShow = NotificationCenter.default
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.publisher(for: UIApplication.keyboardWillShowNotification)
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.map(\.keyboardHeight)
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.eraseToAnyPublisher()
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let willHide = NotificationCenter.default
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.publisher(for: UIApplication.keyboardWillHideNotification)
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.map { _ in CGFloat(0) }
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.eraseToAnyPublisher()
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return Merge(willShow, willHide)
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.eraseToAnyPublisher()
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#elseif os(macOS)
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Future { $0(.success(CGFloat.zero)) }
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.eraseToAnyPublisher()
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#endif
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}
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}
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extension Notification {
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var keyboardHeight: CGFloat {
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#if os(iOS)
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(userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect)?.height ?? 0
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#elseif os(macOS)
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0
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#endif
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}
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}
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struct KeyboardAdaptive: ViewModifier {
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@State private var keyboardHeight: CGFloat = 0
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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(Publishers.keyboardHeight) { self.keyboardHeight = $0 }
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}
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}
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extension View {
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func keyboardAdaptive() -> some View {
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ModifiedContent(content: self, modifier: KeyboardAdaptive())
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}
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}
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extension View {
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func hideKeyboard() {
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#if os(iOS)
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UIApplication.shared
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.sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
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#endif
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}
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}
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