64 lines
1.9 KiB
Swift
64 lines
1.9 KiB
Swift
// Copyright 2020-2021 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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import Foundation
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public struct _PaddingLayout: ViewModifier {
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public var edges: Edge.Set
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public var insets: EdgeInsets?
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public init(edges: Edge.Set = .all, insets: EdgeInsets?) {
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self.edges = edges
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self.insets = insets
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}
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public func body(content: Content) -> some View {
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content
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}
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}
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extension _PaddingLayout: Animatable {
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public typealias AnimatableData = EmptyAnimatableData
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}
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public extension View {
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func padding(_ insets: EdgeInsets) -> ModifiedContent<Self, _PaddingLayout> {
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modifier(_PaddingLayout(insets: insets))
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}
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func padding(
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_ edges: Edge.Set = .all,
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_ length: CGFloat? = nil
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) -> ModifiedContent<Self, _PaddingLayout> {
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let insets = length.map { EdgeInsets(_all: $0) }
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return modifier(_PaddingLayout(edges: edges, insets: insets))
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}
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func padding(_ length: CGFloat) -> ModifiedContent<Self, _PaddingLayout> {
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padding(.all, length)
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}
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}
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public extension ModifiedContent where Modifier == _PaddingLayout, Content: View {
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func padding(_ length: CGFloat) -> ModifiedContent<Content, _PaddingLayout> {
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var layout = modifier
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layout.insets?.top += length
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layout.insets?.leading += length
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layout.insets?.bottom += length
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layout.insets?.trailing += length
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return ModifiedContent(content: content, modifier: layout)
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}
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}
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