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119 changes: 119 additions & 0 deletions
119
Sources/SwiftUIExtension/LayoutGuides/Archived/LayoutGuidesOLD.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| /*import SwiftUI | ||
|
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| extension View { | ||
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| public func fitToReadableContentWidth(alignment: Alignment = .center) -> some View { | ||
| self.modifier(FitLayoutGuidesWidth(alignment: alignment, kind: .readableContent)) | ||
| } | ||
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| public func fitToLayoutMarginsWidth(alignment: Alignment = .center) -> some View { | ||
| self.modifier(FitLayoutGuidesWidth(alignment: alignment, kind: .layoutMargins)) | ||
| } | ||
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| public func measureLayoutGuides() -> some View { | ||
| self.modifier(LayoutGuidesModifier()) | ||
| } | ||
| } | ||
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| public struct WithLayoutMargins<Content>: View where Content: View { | ||
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| let content: (EdgeInsets) -> Content | ||
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| public init(@ViewBuilder content: @escaping (EdgeInsets) -> Content) { | ||
| self.content = content | ||
| } | ||
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| public init(@ViewBuilder content: @escaping () -> Content) { | ||
| self.content = { _ in content() } | ||
| } | ||
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| public var body: some View { | ||
| InsetContent(content: content) | ||
| .measureLayoutGuides() | ||
| } | ||
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| private struct InsetContent: View { | ||
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| let content: (EdgeInsets) -> Content | ||
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| @Environment(\.layoutMarginsInsets) var layoutMarginsInsets | ||
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| var body: some View { | ||
| content(layoutMarginsInsets) | ||
| } | ||
| } | ||
| } | ||
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| // MARK: - Private | ||
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| internal struct FitLayoutGuidesWidth: ViewModifier { | ||
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| enum Kind { | ||
| case layoutMargins | ||
| case readableContent | ||
| } | ||
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| let alignment: Alignment | ||
| let kind: Kind | ||
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| func body(content: Content) -> some View { | ||
| switch kind { | ||
| case .layoutMargins: | ||
| content.modifier(InsetLayoutMargins(alignment: alignment)) | ||
| .measureLayoutGuides() | ||
| case .readableContent: | ||
| content.modifier(InsetReadableContent(alignment: alignment)) | ||
| .measureLayoutGuides() | ||
| } | ||
| } | ||
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| private struct InsetReadableContent: ViewModifier { | ||
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| let alignment: Alignment | ||
| @Environment(\.readableContentInsets) var readableContentInsets | ||
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| func body(content: Content) -> some View { | ||
| content | ||
| .frame(maxWidth: .infinity, alignment: alignment) | ||
| .padding(.leading, readableContentInsets.leading) | ||
| .padding(.trailing, readableContentInsets.trailing) | ||
| } | ||
| } | ||
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| private struct InsetLayoutMargins: ViewModifier { | ||
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| let alignment: Alignment | ||
| @Environment(\.layoutMarginsInsets) var layoutMarginsInsets | ||
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| func body(content: Content) -> some View { | ||
| content | ||
| .frame(maxWidth: .infinity, alignment: alignment) | ||
| .padding(.leading, layoutMarginsInsets.leading) | ||
| .padding(.trailing, layoutMarginsInsets.trailing) | ||
| } | ||
| } | ||
| } | ||
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| internal struct LayoutGuidesModifier: ViewModifier { | ||
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| @State var layoutMarginsInsets: EdgeInsets = .init() | ||
| @State var readableContentInsets: EdgeInsets = .init() | ||
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| func body(content: Content) -> some View { | ||
| content | ||
| #if os(iOS) || os(tvOS) | ||
| .environment(\.layoutMarginsInsets, layoutMarginsInsets) | ||
| .environment(\.readableContentInsets, readableContentInsets) | ||
| .background( | ||
| LayoutGuidesObserverView( | ||
| onLayoutMarginsGuideChange: { | ||
| layoutMarginsInsets = $0 | ||
| }, | ||
| onReadableContentGuideChange: { | ||
| readableContentInsets = $0 | ||
| }) | ||
| ) | ||
| #endif | ||
| } | ||
| } | ||
| */ |
88 changes: 88 additions & 0 deletions
88
Sources/SwiftUIExtension/LayoutGuides/Archived/LayoutGuidesObserverViewOLD.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| /*#if os(iOS) || os(tvOS) | ||
| import UIKit | ||
| import SwiftUI | ||
|
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| struct LayoutGuidesObserverView: UIViewRepresentable { | ||
|
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| let onLayoutMarginsGuideChange: (EdgeInsets) -> Void | ||
| let onReadableContentGuideChange: (EdgeInsets) -> Void | ||
|
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| func makeUIView(context: Context) -> LayoutGuidesView { | ||
| let uiView = LayoutGuidesView() | ||
| uiView.onLayoutMarginsGuideChange = onLayoutMarginsGuideChange | ||
| uiView.onReadableContentGuideChange = onReadableContentGuideChange | ||
| return uiView | ||
| } | ||
|
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| func updateUIView(_ uiView: LayoutGuidesView, context: Context) { | ||
| uiView.onLayoutMarginsGuideChange = onLayoutMarginsGuideChange | ||
| uiView.onReadableContentGuideChange = onReadableContentGuideChange | ||
| } | ||
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| final class LayoutGuidesView: UIView { | ||
| var onLayoutMarginsGuideChange: (EdgeInsets) -> Void = { _ in } | ||
| var onReadableContentGuideChange: (EdgeInsets) -> Void = { _ in } | ||
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| override func layoutMarginsDidChange() { | ||
| super.layoutMarginsDidChange() | ||
| updateLayoutMargins() | ||
| updateReadableContent() | ||
| } | ||
|
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| override func layoutSubviews() { | ||
| super.layoutSubviews() | ||
| updateReadableContent() | ||
| } | ||
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| override var frame: CGRect { | ||
| didSet { | ||
| self.updateReadableContent() | ||
| } | ||
| } | ||
|
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| override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) { | ||
| super.traitCollectionDidChange(previousTraitCollection) | ||
| if traitCollection.layoutDirection != previousTraitCollection?.layoutDirection { | ||
| updateReadableContent() | ||
| } | ||
| } | ||
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| var previousLayoutMargins: EdgeInsets? = nil | ||
| func updateLayoutMargins() { | ||
| let edgeInsets = EdgeInsets( | ||
| top: directionalLayoutMargins.top, | ||
| leading: directionalLayoutMargins.leading, | ||
| bottom: directionalLayoutMargins.bottom, | ||
| trailing: directionalLayoutMargins.trailing | ||
| ) | ||
| guard previousLayoutMargins != edgeInsets else { return } | ||
| onLayoutMarginsGuideChange(edgeInsets) | ||
| previousLayoutMargins = edgeInsets | ||
| } | ||
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| var previousReadableContentGuide: EdgeInsets? = nil | ||
| func updateReadableContent() { | ||
| let isRightToLeft = traitCollection.layoutDirection == .rightToLeft | ||
| let layoutFrame = readableContentGuide.layoutFrame | ||
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| let readableContentInsets = | ||
| UIEdgeInsets( | ||
| top: layoutFrame.minY - bounds.minY, | ||
| left: layoutFrame.minX - bounds.minX, | ||
| bottom: -(layoutFrame.maxY - bounds.maxY), | ||
| right: -(layoutFrame.maxX - bounds.maxX) | ||
| ) | ||
| let edgeInsets = EdgeInsets( | ||
| top: readableContentInsets.top, | ||
| leading: isRightToLeft ? readableContentInsets.right : readableContentInsets.left, | ||
| bottom: readableContentInsets.bottom, | ||
| trailing: isRightToLeft ? readableContentInsets.left : readableContentInsets.right | ||
| ) | ||
| guard previousReadableContentGuide != edgeInsets else { return } | ||
| onReadableContentGuideChange(edgeInsets) | ||
| previousReadableContentGuide = edgeInsets | ||
| } | ||
| } | ||
| } | ||
| #endif | ||
| */ |
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