Improve TV settings screen (#943)

- Show detail side by side rather than navigate
- Fix scrolling in purchased view

Passepartout/Library/Sources/AppUITV/Views/App/AppCoordinator.swift

@@ -108,19 +108,6 @@ private extension AppCoordinator {
                 DebugLogContentView(lines: $0)
             }
 
-        case .credits:
-            CreditsView()
-                .resized(width: 0.5)
-                .themeList()
-
-        case .donate:
-            DonateView(modifier: DonateViewModifier())
-
-        case .purchased:
-            PurchasedView()
-                .resized(width: 0.5)
-                .themeList()
-
         case .tunnelLog:
             DebugLogView(withTunnel: tunnel, parameters: Constants.shared.log) {
                 DebugLogContentView(lines: $0)

Passepartout/Library/Sources/AppUITV/Views/App/AppCoordinatorRoute.swift

@@ -28,11 +28,5 @@ import Foundation
 enum AppCoordinatorRoute: Hashable {
     case appLog
 
-    case credits
-
-    case donate
-
-    case purchased
-
     case tunnelLog
 }

Passepartout/Library/Sources/AppUITV/Views/Settings/DonateViewModifier.swift

@@ -38,12 +38,11 @@ struct DonateViewModifier: ViewModifier {
                 }
             }
         }
-        .padding(.top, 150)
     }
 }
 
 private extension DonateViewModifier {
     var columns: [GridItem] {
-        [GridItem(.adaptive(minimum: 500))]
+        [GridItem(.adaptive(minimum: 300))]
     }
 }

Passepartout/Library/Sources/AppUITV/Views/Settings/SettingsView.swift

@@ -29,17 +29,51 @@ import PassepartoutKit
 import SwiftUI
 import UILibrary
 
+enum Detail {
+    case credits
+
+    case donate
+
+    case other
+
+    case purchased
+}
+
 struct SettingsView: View {
     let tunnel: ExtendedTunnel
 
+    @Namespace
+    private var masterScope
+
+    @Namespace
+    private var detailScope
+
+    @FocusState
+    private var focus: Detail?
+
+    @State
+    private var detail: Detail?
+
     var body: some View {
-        listView
-            .resized(width: 0.5)
+        HStack {
+            masterView
+                .frame(maxWidth: .infinity)
+                .focused($focus, equals: .other)
+
+            DetailView(detail: detail)
+                .frame(maxWidth: .infinity)
+        }
+        .onChange(of: focus) {
+            guard focus != nil else {
+                return
+            }
+            detail = focus
+        }
     }
 }
 
 private extension SettingsView {
-    var listView: some View {
+    var masterView: some View {
         List {
             creditsSection
             diagnosticsSection
@@ -50,8 +84,10 @@ private extension SettingsView {
 
     var creditsSection: some View {
         Group {
-            NavigationLink(Strings.Views.About.Credits.title, value: AppCoordinatorRoute.credits)
-            NavigationLink(Strings.Views.Donate.title, value: AppCoordinatorRoute.donate)
+            Button(Strings.Views.About.Credits.title) {}
+                .focused($focus, equals: .credits)
+            Button(Strings.Views.Donate.title) {}
+                .focused($focus, equals: .donate)
         }
         .themeSection(header: Strings.Unlocalized.appName)
     }
@@ -67,7 +103,8 @@ private extension SettingsView {
 
     var aboutSection: some View {
         Group {
-            NavigationLink(Strings.Views.Purchased.title, value: AppCoordinatorRoute.purchased)
+            Button(Strings.Views.Purchased.title) {}
+                .focused($focus, equals: .purchased)
             Text(Strings.Global.Nouns.version)
                 .themeTrailingValue(BundleConfiguration.mainVersionString)
         }
@@ -75,6 +112,28 @@ private extension SettingsView {
     }
 }
 
+private struct DetailView: View {
+    let detail: Detail?
+
+    var body: some View {
+        switch detail {
+        case .credits:
+            CreditsView()
+                .themeList()
+
+        case .donate:
+            DonateView(modifier: DonateViewModifier())
+
+        case .purchased:
+            PurchasedView()
+                .themeList()
+
+        default:
+            VStack {}
+        }
+    }
+}
+
 // MARK: -
 
 #Preview {

Passepartout/Library/Sources/CommonUtils/Views/GenericCreditsView.swift

@@ -178,16 +178,8 @@ private extension GenericCreditsView {
     var translationsSection: some View {
         Section {
             ForEach(sortedLanguages, id: \.self) { code in
-#if os(tvOS)
-                Button {
-                    //
-                } label: {
                 translationLabel(code)
             }
-#else
-                translationLabel(code)
-#endif
-            }
         } header: {
             translationsHeader.map(Text.init)
         }
@@ -215,6 +207,7 @@ private extension GenericCreditsView {
                 }
             }
         }
+        .scrollableOnTV()
     }
 }
 

Passepartout/Library/Sources/CommonUtils/Views/View+Extensions.swift

@@ -67,6 +67,15 @@ extension View {
                 )
         }
     }
+
+    public func scrollableOnTV() -> some View {
+//        focusable()
+        Button {
+            //
+        } label: {
+            self
+        }
+    }
 }
 
 extension ViewModifier {

Passepartout/Library/Sources/UILibrary/Views/About/PurchasedView.swift

@@ -77,20 +77,24 @@ private extension PurchasedView {
             Group {
                 Text(Strings.Views.Purchased.Rows.buildNumber)
                     .themeTrailingValue(build.description)
+                    .scrollableOnTV()
             }
             .themeSection(header: Strings.Views.Purchased.Sections.Download.header)
         }
     }
 
     var productsSection: some View {
+        products.nilIfEmpty.map { products in
             Group {
                 ForEach(products, id: \.productIdentifier) {
                     Text($0.localizedTitle)
                         .themeTrailingValue($0.localizedPrice)
+                        .scrollableOnTV()
                 }
             }
             .themeSection(header: Strings.Views.Purchased.Sections.Products.header)
         }
+    }
 
     var featuresSection: some View {
         Group {
@@ -101,6 +105,7 @@ private extension PurchasedView {
                     ThemeImage(.marked)
                         .opaque(iapManager.isEligible(for: feature))
                 }
+                .scrollableOnTV()
             }
         }
         .themeSection(header: Strings.Views.Purchased.Sections.Features.header)

Passepartout/Library/Sources/UILibrary/Views/Paywall/PaywallView.swift

@@ -155,13 +155,8 @@ private extension PaywallView {
     }
 
     func featureView(for feature: AppFeature) -> some View {
-#if os(tvOS)
-        Button(feature.localizedDescription) {
-            //
-        }
-#else
         Text(feature.localizedDescription)
-#endif
+            .scrollableOnTV()
     }
 
     var restoreView: some View {