93 lines
2.3 KiB
Swift
93 lines
2.3 KiB
Swift
//
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// Swiftfin is subject to the terms of the Mozilla Public
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// License, v2.0. If a copy of the MPL was not distributed with this
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// file, you can obtain one at https://mozilla.org/MPL/2.0/.
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//
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// Copyright (c) 2025 Jellyfin & Jellyfin Contributors
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//
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import SwiftUI
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struct BulletedList<Content: View>: View {
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private var content: () -> Content
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private var bullet: (Int) -> any View
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var body: some View {
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_VariadicView.Tree(BulletedListLayout(bullet: bullet)) {
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content()
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}
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}
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}
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extension BulletedList {
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init(@ViewBuilder _ content: @escaping () -> Content) {
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self.init(
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content: content,
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bullet: { _ in
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ZStack {
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Text(" ")
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Circle()
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.frame(width: 8)
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.padding(.trailing, 5)
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}
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}
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)
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}
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func bullet(@ViewBuilder _ content: @escaping (Int) -> any View) -> Self {
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copy(modifying: \.bullet, with: content)
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}
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}
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extension BulletedList {
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struct BulletedListLayout: _VariadicView_UnaryViewRoot {
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var bullet: (Int) -> any View
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@ViewBuilder
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func body(children: _VariadicView.Children) -> some View {
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VStack(alignment: .leading, spacing: 0) {
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ForEach(Array(zip(children.indices, children)), id: \.0) { child in
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BulletedListItem(
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bullet: AnyView(bullet(child.0)),
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child: child.1
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)
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}
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}
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}
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}
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struct BulletedListItem<BulletContent: View, Bullet: View>: View {
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@State
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private var bulletSize: CGSize = .zero
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@State
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private var childSize: CGSize = .zero
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let bullet: Bullet
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let child: BulletContent
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private var _bullet: some View {
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bullet
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.trackingSize($bulletSize)
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}
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// TODO: this can cause clipping issues with text since
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// with .offset, find fix
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var body: some View {
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ZStack {
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child
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.trackingSize($childSize)
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.overlay(alignment: .topLeading) {
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_bullet
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.offset(x: -bulletSize.width)
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}
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}
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}
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}
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}
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