86 lines
2.3 KiB
Swift
86 lines
2.3 KiB
Swift
// Copyright 2020 Tokamak contributors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Created by Jed Fox on 06/30/2020.
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//
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public struct _TextFieldStyleLabel: View {
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public let body: AnyView
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}
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public protocol TextFieldStyle: _AnyTextFieldStyle {
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associatedtype _Body: View
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typealias _Label = _TextFieldStyleLabel
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func _body(configuration: TextField<Self._Label>) -> Self._Body
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}
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public struct DefaultTextFieldStyle: TextFieldStyle {
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public init() {}
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public func _body(configuration: TextField<_Label>) -> some View {
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configuration
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}
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}
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public struct PlainTextFieldStyle: TextFieldStyle {
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public init() {}
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public func _body(configuration: TextField<_Label>) -> some View {
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configuration
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}
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}
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public struct RoundedBorderTextFieldStyle: TextFieldStyle {
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public init() {}
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public func _body(configuration: TextField<_Label>) -> some View {
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configuration
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}
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}
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public struct SquareBorderTextFieldStyle: TextFieldStyle {
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public init() {}
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public func _body(configuration: TextField<_Label>) -> some View {
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configuration
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}
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}
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public protocol _AnyTextFieldStyle {
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func _anyBody(configuration: TextField<_TextFieldStyleLabel>) -> AnyView
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}
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public extension TextFieldStyle {
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func _anyBody(configuration: TextField<_TextFieldStyleLabel>) -> AnyView {
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.init(_body(configuration: configuration))
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}
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}
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enum TextFieldStyleKey: EnvironmentKey {
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static let defaultValue: _AnyTextFieldStyle = DefaultTextFieldStyle()
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}
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extension EnvironmentValues {
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var textFieldStyle: _AnyTextFieldStyle {
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get {
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self[TextFieldStyleKey.self]
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}
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set {
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self[TextFieldStyleKey.self] = newValue
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}
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}
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}
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public extension View {
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func textFieldStyle<S>(_ style: S) -> some View where S: TextFieldStyle {
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environment(\.textFieldStyle, style)
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}
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}
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