Add a native SwiftUI macOS app that shares the iOS player.

The GTK Mac build stays; CI now also publishes maturita-macos-swift.

Co-authored-by: Cursor <cursoragent@cursor.com>

.github/workflows/build.yml

@@ -215,9 +215,62 @@ jobs:
           name: maturita-ios
           path: dist-ios/maturita-ios.ipa
 
+  macos-swift:
+    name: macOS Swift app
+    runs-on: macos-26
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Import Developer ID certificate
+        env:
+          MACOS_CERTIFICATE: ${{ secrets.MACOS_CERTIFICATE }}
+          MACOS_CERTIFICATE_PASSWORD: ${{ secrets.MACOS_CERTIFICATE_PASSWORD }}
+        run: |
+          set -euo pipefail
+          if [ -z "${MACOS_CERTIFICATE:-}" ]; then
+            echo "No Developer ID certificate; the bundle will be ad-hoc signed."
+            exit 0
+          fi
+          cert="$RUNNER_TEMP/certificate.p12"
+          keychain="$RUNNER_TEMP/signing.keychain-db"
+          pass="$(openssl rand -base64 32)"
+          echo "$MACOS_CERTIFICATE" | base64 --decode > "$cert"
+          security create-keychain -p "$pass" "$keychain"
+          security set-keychain-settings -lut 21600 "$keychain"
+          security unlock-keychain -p "$pass" "$keychain"
+          security import "$cert" -k "$keychain" \
+            -P "$MACOS_CERTIFICATE_PASSWORD" \
+            -T /usr/bin/codesign -T /usr/bin/security
+          security set-key-partition-list -S apple-tool:,apple: -s \
+            -k "$pass" "$keychain"
+          security list-keychains -d user -s "$keychain" \
+            $(security list-keychains -d user | tr -d '"')
+          rm -f "$cert"
+
+      - name: Build Swift .app zip
+        env:
+          COMMIT: ${{ github.sha }}
+          DEVELOPER_DIR: /Applications/Xcode.app/Contents/Developer
+          MACOS_SIGN_IDENTITY: ${{ secrets.MACOS_SIGN_IDENTITY }}
+          APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
+          APPLE_ID: ${{ secrets.APPLE_ID }}
+          APPLE_APP_SPECIFIC_PASSWORD: ${{ secrets.APPLE_APP_SPECIFIC_PASSWORD }}
+          APPLE_API_KEY: ${{ secrets.APPLE_API_KEY }}
+          APPLE_API_KEY_ID: ${{ secrets.APPLE_API_KEY_ID }}
+          APPLE_API_ISSUER: ${{ secrets.APPLE_API_ISSUER }}
+        run: |
+          chmod +x scripts/bundle-macos-swift.sh
+          ./scripts/bundle-macos-swift.sh
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: maturita-macos-swift
+          path: dist/maturita-macos-swift-*.zip
+
   publish:
     name: Publish to builds branch
-    needs: [linux, windows, macos, android, ios]
+    needs: [linux, windows, macos, android, ios, macos-swift]
     # One broken platform must not freeze the others: publish whatever was
     # built and keep the previous package for anything that failed.
     if: ${{ !cancelled() && contains(needs.*.result, 'success') }}
@@ -254,6 +307,7 @@ jobs:
           # here, so a platform that failed this run is not offered as new.
           [ -f fresh/maturita-android.apk ] && echo "${{ github.sha }}" > staged/VERSION-android
           [ -f fresh/maturita-ios.ipa ] && echo "${{ github.sha }}" > staged/VERSION-ios
+          ls fresh/maturita-macos-swift-*.zip >/dev/null 2>&1 && echo "${{ github.sha }}" > staged/VERSION-macos-swift
           ls fresh staged
 
       # The branch is rewritten from scratch every time rather than added to,

.gitignore

@@ -41,5 +41,10 @@ ios/build/
 ios/Payload/
 ios/**/xcuserdata/
 
+# native macOS Swift
+macos/DerivedData/
+macos/build/
+macos/**/xcuserdata/
+
 # Xcode workspace user state
 *.xcworkspace/xcuserdata/

Makefile

@@ -124,4 +124,8 @@ ios:
 	chmod +x scripts/bundle-ios.sh
 	./scripts/bundle-ios.sh
 
-.PHONY: all clean run bundle installer-zips android ios
+macos:
+	chmod +x scripts/bundle-macos-swift.sh
+	./scripts/bundle-macos-swift.sh
+
+.PHONY: all clean run bundle installer-zips android ios macos

Maturita.xcworkspace/contents.xcworkspacedata

@@ -4,4 +4,7 @@
    <FileRef
       location = "group:ios/Maturita.xcodeproj">
    </FileRef>
+   <FileRef
+      location = "group:macos/Maturita.xcodeproj">
+   </FileRef>
 </Workspace>

README.md

@@ -53,6 +53,7 @@ spolehlivější instalátor výše, nebo stažení přímo z té stránky větv
 - [maturita-linux-x86_64.AppImage](https://github.com/pepaskopec-blip/maturita.c/raw/builds/maturita-linux-x86_64.AppImage)
 - [maturita-android.apk](https://github.com/pepaskopec-blip/maturita.c/raw/refs/heads/builds/maturita-android.apk)
 - [maturita-ios.ipa](https://github.com/pepaskopec-blip/maturita.c/raw/refs/heads/builds/maturita-ios.ipa)
+- [maturita-macos-swift-arm64.zip](https://github.com/pepaskopec-blip/maturita.c/raw/builds/maturita-macos-swift-arm64.zip)
 
 Postup a nastavení se ukládají vedle `.app` / složky / AppImage do `progress/`.
 Na Androidu a iOS do úložiště aplikace (stejné statistiky, témata a jazyk).
@@ -141,6 +142,7 @@ make bundle                     # dist/maturita.exe jde spustit i z Průzkumník
 src/                 C zdroje a maturita.h
 android/             Jetpack Compose přehrávač (stejný obsah)
 ios/                 SwiftUI přehrávač (stejný obsah)
+macos/               nativní SwiftUI aplikace pro Mac (stejný obsah)
 data/                style.css, share/, podpisy, Windows .rc
 assets/              zdrojová ikona a screenshoty
 installers/          instalátory, které stáhnou aktuální build
@@ -175,9 +177,17 @@ open Maturita.xcworkspace          # v kořeni repozitáře
 # nebo: make ios   # unsigned IPA v dist-ios/maturita-ios.ipa
 ```
 
-Workspace odkazuje na `ios/Maturita.xcodeproj`. Projekt nepřesouvejte – build
+Nativní macOS ze zdroje (Xcode 26, macOS 26+):
-čte `../src` a `../scripts` a v kořeni by `Maturita/` kolidovalo se
+
-zkompilovaným binárem `maturita`.
+```bash
+open Maturita.xcworkspace          # scheme Maturita z macos/Maturita.xcodeproj
+# nebo: make macos                 # zip v dist/maturita-macos-swift-arm64.zip
+```
+
+Workspace odkazuje na `ios/Maturita.xcodeproj` a `macos/Maturita.xcodeproj`.
+Projekty nepřesouvejte – build čte `../src` a `../scripts` a v kořeni by
+`Maturita/` kolidovalo se zkompilovaným binárem `maturita`. Nativní Mac
+aplikace sdílí cvičení s iOS přehrávačem; GTK verze (`make bundle`) zůstává.
 
 Licence: [GPL-3.0](LICENSE).
 
@@ -230,6 +240,7 @@ above, or download from that branch page:
 - [maturita-linux-x86_64.AppImage](https://github.com/pepaskopec-blip/maturita.c/raw/builds/maturita-linux-x86_64.AppImage)
 - [maturita-android.apk](https://github.com/pepaskopec-blip/maturita.c/raw/refs/heads/builds/maturita-android.apk)
 - [maturita-ios.ipa](https://github.com/pepaskopec-blip/maturita.c/raw/refs/heads/builds/maturita-ios.ipa)
+- [maturita-macos-swift-arm64.zip](https://github.com/pepaskopec-blip/maturita.c/raw/builds/maturita-macos-swift-arm64.zip)
 
 Progress and settings live in `progress/` next to the `.app` / folder /
 AppImage. On Android and iOS they stay in app storage (same stats, themes, language).
@@ -319,6 +330,7 @@ make bundle                     # dist/maturita.exe can be double-clicked
 src/                 C sources and maturita.h
 android/             Jetpack Compose player (same content)
 ios/                 SwiftUI player (same content)
+macos/               native SwiftUI Mac app (same content)
 data/                style.css, share/, signing files, Windows .rc
 assets/              source icon and screenshots
 installers/          fetch-the-latest installers
@@ -353,8 +365,17 @@ open Maturita.xcworkspace          # at the repo root
 # or: make ios   # unsigned IPA at dist-ios/maturita-ios.ipa
 ```
 
-The workspace points at `ios/Maturita.xcodeproj`. Do not move the project –
+Native macOS from source (Xcode 26, macOS 26+):
-the build reads `../src` and `../scripts`, and at the root `Maturita/` would
+
-collide with the compiled `maturita` binary.
+```bash
+open Maturita.xcworkspace          # scheme Maturita from macos/Maturita.xcodeproj
+# or: make macos                   # zip at dist/maturita-macos-swift-arm64.zip
+```
+
+The workspace points at `ios/Maturita.xcodeproj` and `macos/Maturita.xcodeproj`.
+Do not move the projects – the build reads `../src` and `../scripts`, and at
+the root `Maturita/` would collide with the compiled `maturita` binary. The
+native Mac app shares exercises with the iOS player; the GTK build
+(`make bundle`) stays.
 
 License: [GPL-3.0](LICENSE).

ios/Maturita/MaturitaApp.swift

@@ -85,93 +85,3 @@ private struct UpdateAccessory: View {
         return vm.tr(vm.update.messageKey)
     }
 }
-
-struct RouteDestination: View {
-    @ObservedObject var vm: AppModel
-    let route: Route
-
-    var body: some View {
-        switch route {
-        case .welcome, .subjects:
-            PracticeHome(vm: vm)
-        case .stats:
-            StatsScreen(vm: vm)
-        case .roadmap:
-            RoadmapScreen(vm: vm)
-        case .unitMap(let id):
-            UnitMapScreen(vm: vm, unitId: id)
-        case .germanEx(let unit, let ex):
-            GermanExercise(vm: vm, unitId: unit, ex: ex)
-        case .vocab(let id):
-            VocabExercise(vm: vm, unitId: id)
-        case .netYears:
-            NetYearsScreen(vm: vm)
-        case .netMap:
-            LessonListScreen(
-                title: vm.tr("net_year1"),
-                subtitle: vm.tr("net_sub"),
-                rows: vm.content.netLessons.map { l in
-                    let id = l.int("id")
-                    return LessonRow(
-                        id: "n\(id)",
-                        title: vm.tr(l.str("titleKey")),
-                        done: vm.progress.netDone(id),
-                        destination: .netLesson(id)
-                    )
-                }
-            )
-        case .netLesson(let id):
-            if let l = vm.content.netLesson(id) {
-                SlidesScreen(vm: vm, title: vm.tr(l.str("titleKey")), subtitle: vm.tr(l.str("subKey")), slides: l.arr("slides"), next: .netEx(id))
-            }
-        case .netEx(let id):
-            NetQuizScreen(vm: vm, id: id)
-        case .hwMap:
-            LessonListScreen(
-                title: vm.tr("Technické vybavení"),
-                subtitle: vm.tr("hw_sub"),
-                rows: vm.content.hw.map { l in
-                    let id = l.int("id")
-                    return LessonRow(
-                        id: "h\(id)",
-                        title: vm.tr(l.str("titleKey")),
-                        done: vm.progress.hwDone(id),
-                        destination: .hwLesson(id)
-                    )
-                }
-            )
-        case .hwLesson(let id):
-            if let l = vm.content.hwLesson(id) {
-                SlidesScreen(vm: vm, title: vm.tr(l.str("titleKey")), subtitle: vm.tr(l.str("subKey")), slides: l.arr("slides"), next: .hwEx(id))
-            }
-        case .hwEx(let id):
-            HwQuizScreen(vm: vm, id: id)
-        case .czechMap:
-            CzechMapScreen(vm: vm)
-        case .mluvnice:
-            LessonListScreen(
-                title: vm.tr("Mluvnice"),
-                subtitle: vm.tr("mluv_sub"),
-                rows: vm.content.mluvnice.map { m in
-                    let n = m.int("id")
-                    return LessonRow(
-                        id: "m\(n)",
-                        title: m.str("name"),
-                        done: vm.progress.mluvDone(n),
-                        destination: .mluvEx(n)
-                    )
-                }
-            )
-        case .mluvEx(let n):
-            MluvExercise(vm: vm, n: n)
-        case .readingList:
-            BookListScreen(vm: vm)
-        case .book(let id):
-            BookScreen(vm: vm, id: id)
-        case .bookQuiz(let id):
-            LitQuizScreen(vm: vm, id: id)
-        case .bookPlot(let id):
-            PlotScreen(vm: vm, id: id)
-        }
-    }
-}

ios/Maturita/UI/Components.swift

@@ -49,7 +49,11 @@ struct PrimaryButton: View {
                 .font(.body.weight(.semibold))
                 .frame(maxWidth: .infinity)
         }
+        #if os(iOS)
         .buttonStyle(.glassProminent)
+        #else
+        .buttonStyle(.borderedProminent)
+        #endif
         .controlSize(.large)
     }
 }
@@ -250,17 +254,39 @@ extension View {
 
     /// Detail screens with their own bottom action hide the tab bar so the
     /// primary button is never covered by it.
+    @ViewBuilder
     func detailScreen(_ title: String, subtitle: String? = nil) -> some View {
+        #if os(iOS)
         navigationTitle(title)
             .navigationBarTitleDisplayMode(.inline)
             .navSubtitle(subtitle)
             .toolbar(.hidden, for: .tabBar)
+        #else
+        navigationTitle(title)
+            .navSubtitle(subtitle)
+        #endif
+    }
+
+    @ViewBuilder
+    func sheetDetents() -> some View {
+        #if os(iOS)
+        presentationDetents([.medium, .large])
+            .presentationDragIndicator(.visible)
+        #else
+        self
+        #endif
     }
 
     /// Full-width, leading-aligned content for exercise screens.
     func exerciseContent() -> some View {
+        #if os(macOS)
+        frame(maxWidth: 720, alignment: .leading)
+            .padding(20)
+            .frame(maxWidth: .infinity, alignment: .leading)
+        #else
         frame(maxWidth: .infinity, alignment: .leading)
             .padding()
+        #endif
     }
 }
 

ios/Maturita/UI/ExercisesMore.swift

@@ -304,7 +304,7 @@ private struct ComboLine: View {
                 if let word, idx < picks.count { picks[idx] = word }
                 open = false
             }
-            .presentationDetents([.medium, .large])
+            .sheetDetents()
         }
         if revealed, let meaning, !meaning.isEmpty {
             Meaning(text: vm.tr(meaning), palette: p, visible: true)
@@ -334,8 +334,7 @@ struct WordPicker: View {
                 }
             }
         }
-        .presentationDetents([.medium, .large])
+        .sheetDetents()
-        .presentationDragIndicator(.visible)
     }
 }
 
@@ -781,7 +780,7 @@ private struct PrefixMenu: View {
                 if let word { value = word }
                 open = false
             }
-            .presentationDetents([.medium, .large])
+            .sheetDetents()
         }
     }
 }

ios/Maturita/UI/Screens.swift

@@ -20,7 +20,7 @@ struct PracticeHome: View {
                     VStack(alignment: .leading, spacing: 10) {
                         Text(vm.tr("welcome_title"))
                             .font(.title.bold())
-                        Text(vm.tr("welcome_body_ios"))
+                        Text(vm.tr(Self.welcomeBodyKey))
                             .font(.subheadline)
                             .foregroundStyle(.secondary)
                         ProgressView(value: pct)
@@ -50,7 +50,17 @@ struct PracticeHome: View {
             }
         }
         .navigationTitle("Maturita")
+        #if os(iOS)
         .navigationBarTitleDisplayMode(.large)
+        #endif
+    }
+
+    private static var welcomeBodyKey: String {
+        #if os(macOS)
+        "welcome_body_macos"
+        #else
+        "welcome_body_ios"
+        #endif
     }
 
     private func subjectLabel(_ s: J) -> some View {
@@ -458,32 +468,20 @@ struct SlidesScreen: View {
     @State private var idx = 0
 
     var body: some View {
-        TabView(selection: $idx) {
+        Group {
-            ForEach(slides.indices, id: \.self) { i in
+            #if os(iOS)
-                let slide = slides[i]
+            TabView(selection: $idx) {
-                ScrollView {
+                ForEach(slides.indices, id: \.self) { i in
-                    VStack(alignment: .leading, spacing: 12) {
+                    slidePage(slides[i]).tag(i)
-                        Text(slide.str("kicker"))
-                            .font(.caption.weight(.semibold))
-                            .foregroundStyle(.secondary)
-                        Text(slide.str("title")).font(.title2.bold())
-                        if let tip = slide.strOrNull("tip") {
-                            GlassCard {
-                                Label(tip, systemImage: "lightbulb.fill")
-                            }
-                        }
-                        ForEach(Array(slide.strs("lines").enumerated()), id: \.offset) { _, line in
-                            Text(line).padding(.vertical, 4)
-                        }
-                    }
-                    .padding()
-                    .padding(.bottom, 24)
-                    .frame(maxWidth: .infinity, alignment: .leading)
                 }
-                .tag(i)
             }
+            .tabViewStyle(.page(indexDisplayMode: .never))
+            #else
+            if slides.indices.contains(idx) {
+                slidePage(slides[idx])
+            }
+            #endif
         }
-        .tabViewStyle(.page(indexDisplayMode: .never))
         .detailScreen(title, subtitle: subtitle)
         .safeAreaInset(edge: .bottom) {
             VStack(spacing: 10) {
@@ -503,7 +501,11 @@ struct SlidesScreen: View {
                             Image(systemName: "chevron.left")
                                 .frame(minWidth: 24)
                         }
+                        #if os(iOS)
                         .buttonStyle(.glass)
+                        #else
+                        .buttonStyle(.bordered)
+                        #endif
                         .controlSize(.large)
                     }
                     if idx < slides.count - 1 {
@@ -523,6 +525,31 @@ struct SlidesScreen: View {
             .background(.bar)
         }
     }
+
+    private func slidePage(_ slide: J) -> some View {
+        ScrollView {
+            VStack(alignment: .leading, spacing: 12) {
+                Text(slide.str("kicker"))
+                    .font(.caption.weight(.semibold))
+                    .foregroundStyle(.secondary)
+                Text(slide.str("title")).font(.title2.bold())
+                if let tip = slide.strOrNull("tip") {
+                    GlassCard {
+                        Label(tip, systemImage: "lightbulb.fill")
+                    }
+                }
+                ForEach(Array(slide.strs("lines").enumerated()), id: \.offset) { _, line in
+                    Text(line).padding(.vertical, 4)
+                }
+            }
+            .padding()
+            .padding(.bottom, 24)
+            .frame(maxWidth: .infinity, alignment: .leading)
+            #if os(macOS)
+            .frame(maxWidth: 720, alignment: .leading)
+            #endif
+        }
+    }
 }
 
 struct CzechMapScreen: View {
@@ -607,3 +634,93 @@ struct BookScreen: View {
         }
     }
 }
+
+struct RouteDestination: View {
+    @ObservedObject var vm: AppModel
+    let route: Route
+
+    var body: some View {
+        switch route {
+        case .welcome, .subjects:
+            PracticeHome(vm: vm)
+        case .stats:
+            StatsScreen(vm: vm)
+        case .roadmap:
+            RoadmapScreen(vm: vm)
+        case .unitMap(let id):
+            UnitMapScreen(vm: vm, unitId: id)
+        case .germanEx(let unit, let ex):
+            GermanExercise(vm: vm, unitId: unit, ex: ex)
+        case .vocab(let id):
+            VocabExercise(vm: vm, unitId: id)
+        case .netYears:
+            NetYearsScreen(vm: vm)
+        case .netMap:
+            LessonListScreen(
+                title: vm.tr("net_year1"),
+                subtitle: vm.tr("net_sub"),
+                rows: vm.content.netLessons.map { l in
+                    let id = l.int("id")
+                    return LessonRow(
+                        id: "n\(id)",
+                        title: vm.tr(l.str("titleKey")),
+                        done: vm.progress.netDone(id),
+                        destination: .netLesson(id)
+                    )
+                }
+            )
+        case .netLesson(let id):
+            if let l = vm.content.netLesson(id) {
+                SlidesScreen(vm: vm, title: vm.tr(l.str("titleKey")), subtitle: vm.tr(l.str("subKey")), slides: l.arr("slides"), next: .netEx(id))
+            }
+        case .netEx(let id):
+            NetQuizScreen(vm: vm, id: id)
+        case .hwMap:
+            LessonListScreen(
+                title: vm.tr("Technické vybavení"),
+                subtitle: vm.tr("hw_sub"),
+                rows: vm.content.hw.map { l in
+                    let id = l.int("id")
+                    return LessonRow(
+                        id: "h\(id)",
+                        title: vm.tr(l.str("titleKey")),
+                        done: vm.progress.hwDone(id),
+                        destination: .hwLesson(id)
+                    )
+                }
+            )
+        case .hwLesson(let id):
+            if let l = vm.content.hwLesson(id) {
+                SlidesScreen(vm: vm, title: vm.tr(l.str("titleKey")), subtitle: vm.tr(l.str("subKey")), slides: l.arr("slides"), next: .hwEx(id))
+            }
+        case .hwEx(let id):
+            HwQuizScreen(vm: vm, id: id)
+        case .czechMap:
+            CzechMapScreen(vm: vm)
+        case .mluvnice:
+            LessonListScreen(
+                title: vm.tr("Mluvnice"),
+                subtitle: vm.tr("mluv_sub"),
+                rows: vm.content.mluvnice.map { m in
+                    let n = m.int("id")
+                    return LessonRow(
+                        id: "m\(n)",
+                        title: m.str("name"),
+                        done: vm.progress.mluvDone(n),
+                        destination: .mluvEx(n)
+                    )
+                }
+            )
+        case .mluvEx(let n):
+            MluvExercise(vm: vm, n: n)
+        case .readingList:
+            BookListScreen(vm: vm)
+        case .book(let id):
+            BookScreen(vm: vm, id: id)
+        case .bookQuiz(let id):
+            LitQuizScreen(vm: vm, id: id)
+        case .bookPlot(let id):
+            PlotScreen(vm: vm, id: id)
+        }
+    }
+}

macos/Maturita.xcodeproj/project.pbxproj

@@ -0,0 +1,429 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 56;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		B101000000000000000001 /* MaturitaApp.swift in Sources */ = {isa = PBXBuildFile; fileRef = B201000000000000000001 /* MaturitaApp.swift */; };
+		B101000000000000000002 /* Platform.swift in Sources */ = {isa = PBXBuildFile; fileRef = B201000000000000000002 /* Platform.swift */; };
+		B101000000000000000003 /* Updater.swift in Sources */ = {isa = PBXBuildFile; fileRef = B201000000000000000003 /* Updater.swift */; };
+		B101000000000000000004 /* AppModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = B201000000000000000004 /* AppModel.swift */; };
+		B101000000000000000005 /* Route.swift in Sources */ = {isa = PBXBuildFile; fileRef = B201000000000000000005 /* Route.swift */; };
+		B101000000000000000006 /* JSON.swift in Sources */ = {isa = PBXBuildFile; fileRef = B201000000000000000006 /* JSON.swift */; };
+		B101000000000000000007 /* Content.swift in Sources */ = {isa = PBXBuildFile; fileRef = B201000000000000000007 /* Content.swift */; };
+		B101000000000000000008 /* Theme.swift in Sources */ = {isa = PBXBuildFile; fileRef = B201000000000000000008 /* Theme.swift */; };
+		B101000000000000000009 /* Answers.swift in Sources */ = {isa = PBXBuildFile; fileRef = B201000000000000000009 /* Answers.swift */; };
+		B101000000000000000010 /* ProgressStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = B201000000000000000010 /* ProgressStore.swift */; };
+		B101000000000000000011 /* Components.swift in Sources */ = {isa = PBXBuildFile; fileRef = B201000000000000000011 /* Components.swift */; };
+		B101000000000000000012 /* Icons.swift in Sources */ = {isa = PBXBuildFile; fileRef = B201000000000000000012 /* Icons.swift */; };
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+				B201000000000000000007 /* Content.swift */,
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+				B201000000000000000009 /* Answers.swift */,
+				B201000000000000000010 /* ProgressStore.swift */,
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+				B201000000000000000013 /* Screens.swift */,
+				B201000000000000000014 /* Exercises.swift */,
+				B201000000000000000015 /* ExercisesMore.swift */,
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+			children = (
+				B301000000000000000001 /* Maturita.app */,
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+			sourceTree = "<group>";
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+				B701000000000000000001 /* Sources */,
+				B401000000000000000001 /* Frameworks */,
+				B701000000000000000002 /* Resources */,
+				B701000000000000000004 /* Extract content */,
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+			productName = Maturita;
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+			compatibilityVersion = "Xcode 14.0";
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+			knownRegions = (
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+				cs,
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+			buildActionMask = 2147483647;
+			files = (
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+			inputFileListPaths = (
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+			inputPaths = (
+			);
+			name = "Extract content";
+			outputFileListPaths = (
+			);
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+				"$(DERIVED_FILE_DIR)/content.json",
+				"$(TARGET_BUILD_DIR)/$(UNLOCALIZED_RESOURCES_FOLDER_PATH)/content.json",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "# Pull the exercises out of the C sources and drop the JSON into the app\n# bundle. Nothing generated is kept in the repository, so a fresh clone opens\n# and runs in Xcode without extra steps.\nset -eu\nextract=\"${SRCROOT}/../scripts/extract-android-content.py\"\nif [ ! -f \"$extract\" ]; then\n  echo \"error: ${extract} not found. Keep macos/ inside the maturita.c checkout.\" >&2\n  exit 1\nfi\nout=\"${DERIVED_FILE_DIR}/content.json\"\nmkdir -p \"${DERIVED_FILE_DIR}\"\npython3 \"$extract\" --out \"$out\"\nmkdir -p \"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}\"\ncp \"$out\" \"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/content.json\"\n";
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+				B101000000000000000005 /* Route.swift in Sources */,
+				B101000000000000000006 /* JSON.swift in Sources */,
+				B101000000000000000007 /* Content.swift in Sources */,
+				B101000000000000000008 /* Theme.swift in Sources */,
+				B101000000000000000009 /* Answers.swift in Sources */,
+				B101000000000000000010 /* ProgressStore.swift in Sources */,
+				B101000000000000000011 /* Components.swift in Sources */,
+				B101000000000000000012 /* Icons.swift in Sources */,
+				B101000000000000000013 /* Screens.swift in Sources */,
+				B101000000000000000014 /* Exercises.swift in Sources */,
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+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = YES;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
+				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = macosx;
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
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+		};
+		B901000000000000000002 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
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+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = YES;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
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+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = macosx;
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				SWIFT_VERSION = 5.0;
+			};
+			name = Release;
+		};
+		B901000000000000000003 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				CODE_SIGN_ENTITLEMENTS = Maturita/Maturita.entitlements;
+				CODE_SIGN_STYLE = Automatic;
+				COMBINE_HIDPI_IMAGES = YES;
+				COMMIT = dev;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = C2U9S337H8;
+				ENABLE_HARDENED_RUNTIME = YES;
+				ENABLE_PREVIEWS = YES;
+				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_FILE = Maturita/Info.plist;
+				INFOPLIST_KEY_CFBundleDisplayName = maturita.c;
+				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.education";
+				INFOPLIST_KEY_NSHighResolutionCapable = YES;
+				INFOPLIST_KEY_NSHumanReadableCopyright = "GPL-3.0";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+				);
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
+				MARKETING_VERSION = "macos-1";
+				PRODUCT_BUNDLE_IDENTIFIER = com.bukovinafilip.maturita.macos;
+				PRODUCT_NAME = Maturita;
+				SDKROOT = macosx;
+				SUPPORTED_PLATFORMS = macosx;
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_VERSION = 5.0;
+			};
+			name = Debug;
+		};
+		B901000000000000000004 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				CODE_SIGN_ENTITLEMENTS = Maturita/Maturita.entitlements;
+				CODE_SIGN_STYLE = Automatic;
+				COMBINE_HIDPI_IMAGES = YES;
+				COMMIT = dev;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = C2U9S337H8;
+				ENABLE_HARDENED_RUNTIME = YES;
+				ENABLE_PREVIEWS = YES;
+				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_FILE = Maturita/Info.plist;
+				INFOPLIST_KEY_CFBundleDisplayName = maturita.c;
+				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.education";
+				INFOPLIST_KEY_NSHighResolutionCapable = YES;
+				INFOPLIST_KEY_NSHumanReadableCopyright = "GPL-3.0";
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+				);
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
+				MARKETING_VERSION = "macos-1";
+				PRODUCT_BUNDLE_IDENTIFIER = com.bukovinafilip.maturita.macos;
+				PRODUCT_NAME = Maturita;
+				SDKROOT = macosx;
+				SUPPORTED_PLATFORMS = macosx;
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_VERSION = 5.0;
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+			name = Release;
+		};
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+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
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+		B801000000000000000002 /* Build configuration list for PBXNativeTarget "Maturita" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				B901000000000000000003 /* Debug */,
+				B901000000000000000004 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = B001000000000000000001 /* Project object */;
+}

macos/Maturita.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

macos/Maturita.xcodeproj/xcshareddata/xcschemes/Maturita.xcscheme

@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "2700"
+   version = "1.8">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "B601000000000000000001"
+               BuildableName = "Maturita.app"
+               BlueprintName = "Maturita"
+               ReferencedContainer = "container:Maturita.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeFlags = "YES"
+      shouldUseLaunchSchemeArgsEnv = "NO"
+      shouldAutocreateTestPlan = "YES">
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "B601000000000000000001"
+            BuildableName = "Maturita.app"
+            BlueprintName = "Maturita"
+            ReferencedContainer = "container:Maturita.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeFlags = "YES"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "B601000000000000000001"
+            BuildableName = "Maturita.app"
+            BlueprintName = "Maturita"
+            ReferencedContainer = "container:Maturita.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

macos/Maturita/Assets.xcassets/AccentColor.colorset/Contents.json

@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

macos/Maturita/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,18 @@
+{
+  "images" : [
+    { "filename" : "icon_16x16.png", "idiom" : "mac", "scale" : "1x", "size" : "16x16" },
+    { "filename" : "icon_16x16@2x.png", "idiom" : "mac", "scale" : "2x", "size" : "16x16" },
+    { "filename" : "icon_32x32.png", "idiom" : "mac", "scale" : "1x", "size" : "32x32" },
+    { "filename" : "icon_32x32@2x.png", "idiom" : "mac", "scale" : "2x", "size" : "32x32" },
+    { "filename" : "icon_128x128.png", "idiom" : "mac", "scale" : "1x", "size" : "128x128" },
+    { "filename" : "icon_128x128@2x.png", "idiom" : "mac", "scale" : "2x", "size" : "128x128" },
+    { "filename" : "icon_256x256.png", "idiom" : "mac", "scale" : "1x", "size" : "256x256" },
+    { "filename" : "icon_256x256@2x.png", "idiom" : "mac", "scale" : "2x", "size" : "256x256" },
+    { "filename" : "icon_512x512.png", "idiom" : "mac", "scale" : "1x", "size" : "512x512" },
+    { "filename" : "icon_512x512@2x.png", "idiom" : "mac", "scale" : "2x", "size" : "512x512" }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

macos/Maturita/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

macos/Maturita/Info.plist

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>GITCommit</key>
+	<string>$(COMMIT)</string>
+	<key>UPDATE_BRANCH</key>
+	<string>builds</string>
+	<key>UPDATE_REPO</key>
+	<string>pepaskopec-blip/maturita.c</string>
+</dict>
+</plist>

macos/Maturita/Maturita.entitlements

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<false/>
+	<key>com.apple.security.network.client</key>
+	<true/>
+</dict>
+</plist>

macos/Maturita/MaturitaApp.swift

@@ -0,0 +1,171 @@
+import SwiftUI
+
+@main
+struct MaturitaApp: App {
+    @StateObject private var vm = AppModel()
+
+    var body: some Scene {
+        WindowGroup {
+            MacRoot(vm: vm)
+        }
+        .defaultSize(width: 1100, height: 720)
+        .commands {
+            CommandGroup(replacing: .newItem) {}
+            CommandMenu(vm.tr("search_placeholder")) {
+                Button(vm.tr("search_placeholder")) {
+                    vm.tab = .search
+                }
+                .keyboardShortcut("k", modifiers: [.command])
+            }
+            CommandMenu(vm.tr("subjects_title")) {
+                Button(vm.tr("search_home")) {
+                    vm.go(.subjects)
+                }
+                .keyboardShortcut("1", modifiers: [.command])
+                Button(vm.tr("stats")) {
+                    vm.tab = .progress
+                }
+                .keyboardShortcut("2", modifiers: [.command])
+                Button(vm.tr("settings")) {
+                    vm.tab = .settings
+                }
+                .keyboardShortcut("3", modifiers: [.command])
+            }
+        }
+
+        Settings {
+            SettingsScreen(vm: vm)
+                .frame(minWidth: 420, minHeight: 460)
+                .tint(vm.palette.tint)
+                .preferredColorScheme(vm.mode == .dark ? .dark : .light)
+        }
+    }
+}
+
+struct MacRoot: View {
+    @ObservedObject var vm: AppModel
+
+    var body: some View {
+        NavigationSplitView {
+            MacSidebar(vm: vm)
+                .navigationSplitViewColumnWidth(min: 200, ideal: 240, max: 320)
+        } detail: {
+            switch vm.tab {
+            case .practice:
+                NavigationStack(path: $vm.practicePath) {
+                    PracticeHome(vm: vm)
+                        .navigationDestination(for: Route.self) { route in
+                            RouteDestination(vm: vm, route: route)
+                        }
+                }
+            case .progress:
+                NavigationStack {
+                    StatsScreen(vm: vm)
+                }
+            case .search:
+                NavigationStack {
+                    SearchScreen(vm: vm)
+                }
+            case .settings:
+                NavigationStack {
+                    SettingsScreen(vm: vm)
+                }
+            }
+        }
+        .navigationSplitViewStyle(.balanced)
+        .tint(vm.palette.tint)
+        .preferredColorScheme(vm.mode == .dark ? .dark : .light)
+        .overlay(alignment: .top) {
+            if showsUpdateAccessory {
+                UpdateBanner(vm: vm)
+                    .padding(12)
+            }
+        }
+        .onAppear { vm.checkUpdate(false) }
+        .frame(minWidth: 880, minHeight: 540)
+    }
+
+    private var showsUpdateAccessory: Bool {
+        vm.update.canInstall || vm.update.status == "downloading" || vm.update.status == "staged"
+    }
+}
+
+private struct MacSidebar: View {
+    @ObservedObject var vm: AppModel
+
+    var body: some View {
+        List(selection: $vm.tab) {
+            Section {
+                Label(vm.tr("search_home"), systemImage: "square.grid.2x2.fill")
+                    .tag(AppTab.practice)
+                Label(vm.tr("stats"), systemImage: "chart.bar.fill")
+                    .tag(AppTab.progress)
+                Label(vm.tr("search_placeholder"), systemImage: "magnifyingglass")
+                    .tag(AppTab.search)
+                Label(vm.tr("settings"), systemImage: "gearshape.fill")
+                    .tag(AppTab.settings)
+            }
+
+            Section(vm.tr("subjects_title")) {
+                ForEach(Array(vm.content.subjects.enumerated()), id: \.offset) { _, s in
+                    let open = s.bool("open")
+                    let dest = s.strOrNull("target").flatMap(routeFromPage)
+                    if open, let dest, dest != .subjects, dest != .welcome {
+                        Button {
+                            vm.openFromSearch(dest.page)
+                        } label: {
+                            subjectLabel(s)
+                        }
+                        .buttonStyle(.plain)
+                    } else {
+                        subjectLabel(s)
+                            .foregroundStyle(.secondary)
+                    }
+                }
+            }
+        }
+        .listStyle(.sidebar)
+        .navigationTitle("maturita.c")
+    }
+
+    private func subjectLabel(_ s: J) -> some View {
+        Label {
+            VStack(alignment: .leading, spacing: 2) {
+                Text(vm.tr(s.str("key")))
+                if !s.bool("open") {
+                    Text(vm.tr("stats_locked")).font(.caption).foregroundStyle(.secondary)
+                }
+            }
+        } icon: {
+            SubjectIcon(icon: s.str("icon"), open: s.bool("open"))
+        }
+    }
+}
+
+private struct UpdateBanner: View {
+    @ObservedObject var vm: AppModel
+
+    var body: some View {
+        HStack(spacing: 12) {
+            Image(systemName: "arrow.down.app.fill")
+            Text(bannerText)
+                .font(.subheadline)
+            Spacer()
+            if vm.update.canInstall {
+                Button(vm.tr("update_install")) { vm.installUpdate() }
+                    .buttonStyle(.borderedProminent)
+            }
+        }
+        .padding(12)
+        .background(.regularMaterial, in: RoundedRectangle(cornerRadius: 12, style: .continuous))
+        .shadow(color: .black.opacity(0.12), radius: 8, y: 2)
+        .frame(maxWidth: 640)
+    }
+
+    private var bannerText: String {
+        if let arg = vm.update.messageArg {
+            return vm.fmt(vm.update.messageKey, arg)
+        }
+        return vm.tr(vm.update.messageKey)
+    }
+}

macos/Maturita/Platform.swift

@@ -0,0 +1,38 @@
+#if os(macOS)
+import AppKit
+import SwiftUI
+
+extension NSColor {
+    static var tertiarySystemFill: NSColor {
+        NSColor.quaternaryLabelColor.withAlphaComponent(0.16)
+    }
+
+    static var secondarySystemGroupedBackground: NSColor {
+        .controlBackgroundColor
+    }
+
+    static var separator: NSColor { .separatorColor }
+}
+
+enum TextInputAutocapitalization {
+    case never
+}
+
+enum UIKeyboardType {
+    case decimalPad
+}
+
+enum MacNavBarTitleMode {
+    case large
+    case inline
+}
+
+extension View {
+    func textInputAutocapitalization(_ style: TextInputAutocapitalization) -> some View { self }
+
+    func keyboardType(_ type: UIKeyboardType) -> some View { self }
+
+    func navigationBarTitleDisplayMode(_ mode: MacNavBarTitleMode) -> some View { self }
+}
+
+#endif

macos/Maturita/Update/Updater.swift

@@ -0,0 +1,233 @@
+import AppKit
+import Foundation
+
+struct UpdateState {
+    var status = "idle"
+    var remote: String?
+    var messageKey = "update_current"
+    var messageArg: String? = String(AppConfig.commit.prefix(7))
+    var canInstall = false
+}
+
+final class Updater {
+    private let repo = AppConfig.updateRepo
+    private let branch = AppConfig.updateBranch
+
+    func check(interactive: Bool, cb: @escaping (UpdateState) -> Void) {
+        if AppConfig.commit == "dev" {
+            emit(cb, UpdateState(status: "dev", messageKey: "update_err_devbuild", messageArg: nil))
+            return
+        }
+        emit(cb, UpdateState(status: "checking", messageKey: "update_checking", messageArg: nil))
+        DispatchQueue.global(qos: .utility).async {
+            do {
+                let atom = try self.get("https://github.com/\(self.repo)/commits/\(self.branch).atom")
+                let remote: String
+                if let tip = self.atomTip(atom),
+                   let marker = try? self.get("https://raw.githubusercontent.com/\(self.repo)/\(tip)/VERSION-macos-swift")
+                    .trimmingCharacters(in: .whitespacesAndNewlines),
+                   marker.count >= 7 {
+                    remote = marker
+                } else if let sha = self.atomMainSha(atom) {
+                    remote = sha
+                } else if let tip = self.atomTip(atom) {
+                    remote = try self.get("https://raw.githubusercontent.com/\(self.repo)/\(tip)/VERSION")
+                        .trimmingCharacters(in: .whitespacesAndNewlines)
+                } else {
+                    throw URLError(.cannotParseResponse)
+                }
+                let local = AppConfig.commit
+                if self.sameCommit(remote, local) {
+                    self.emit(cb, UpdateState(status: "ok", remote: remote, messageKey: "update_uptodate", messageArg: String(remote.prefix(7))))
+                } else {
+                    self.emit(cb, UpdateState(status: "available", remote: remote, messageKey: "update_available", messageArg: String(remote.prefix(7)), canInstall: true))
+                }
+            } catch {
+                self.emit(cb, UpdateState(status: "error", messageKey: "update_err_network", messageArg: nil))
+            }
+        }
+    }
+
+    func install(cb: @escaping (UpdateState) -> Void) {
+        emit(cb, UpdateState(status: "downloading", messageKey: "update_downloading", messageArg: nil))
+        DispatchQueue.global(qos: .utility).async {
+            do {
+                let atom = try self.get("https://github.com/\(self.repo)/commits/\(self.branch).atom")
+                let tip = self.atomTip(atom) ?? ""
+                guard !tip.isEmpty else { throw URLError(.cannotParseResponse) }
+                let zipName = Self.assetName()
+                let url = "https://raw.githubusercontent.com/\(self.repo)/\(tip)/\(zipName)"
+                let cache = FileManager.default.urls(for: .cachesDirectory, in: .userDomainMask).first
+                    ?? URL(fileURLWithPath: NSTemporaryDirectory())
+                let staging = cache.appendingPathComponent("maturita-update-\(ProcessInfo.processInfo.processIdentifier)")
+                try? FileManager.default.removeItem(at: staging)
+                try FileManager.default.createDirectory(at: staging, withIntermediateDirectories: true)
+                let archive = staging.appendingPathComponent(zipName)
+                try self.download(url, to: archive)
+                let unpacked = staging.appendingPathComponent("new")
+                try FileManager.default.createDirectory(at: unpacked, withIntermediateDirectories: true)
+                try self.run("/usr/bin/ditto", ["-x", "-k", archive.path, unpacked.path])
+                guard let source = self.findApp(in: unpacked) else {
+                    throw URLError(.cannotParseResponse)
+                }
+                guard let target = Self.runningAppURL() else {
+                    throw URLError(.cannotOpenFile)
+                }
+                let script = self.writeSwapScript()
+                let proc = Process()
+                proc.executableURL = URL(fileURLWithPath: "/bin/sh")
+                proc.arguments = [script.path, "\(ProcessInfo.processInfo.processIdentifier)", target.path, source.path, staging.path]
+                try proc.run()
+                self.emit(cb, UpdateState(status: "staged", remote: tip, messageKey: "update_staged", messageArg: String(tip.prefix(7))))
+                DispatchQueue.main.async {
+                    NSApp.terminate(nil)
+                }
+            } catch {
+                self.emit(cb, UpdateState(status: "error", messageKey: "update_err_download", messageArg: nil))
+            }
+        }
+    }
+
+    private static func assetName() -> String {
+        #if arch(arm64)
+        return "maturita-macos-swift-arm64.zip"
+        #else
+        return "maturita-macos-swift-x86_64.zip"
+        #endif
+    }
+
+    private static func runningAppURL() -> URL? {
+        let bundle = Bundle.main.bundleURL
+        return bundle.pathExtension == "app" ? bundle : nil
+    }
+
+    private func findApp(in root: URL) -> URL? {
+        let keys: [URLResourceKey] = [.isDirectoryKey]
+        guard let en = FileManager.default.enumerator(at: root, includingPropertiesForKeys: keys) else { return nil }
+        for case let url as URL in en where url.pathExtension == "app" {
+            return url
+        }
+        return nil
+    }
+
+    private func writeSwapScript() -> URL {
+        let url = URL(fileURLWithPath: NSTemporaryDirectory()).appendingPathComponent("maturita-swift-update.sh")
+        let body = """
+        #!/bin/sh
+        if [ -z "$MATURITA_UPDATE_DETACHED" ]; then
+          MATURITA_UPDATE_DETACHED=1
+          export MATURITA_UPDATE_DETACHED
+          nohup /bin/sh "$0" "$@" >/dev/null 2>&1 &
+          exit 0
+        fi
+        pid=$1; target=$2; source=$3; staging=$4
+        n=0
+        while kill -0 "$pid" 2>/dev/null && [ $n -lt 600 ]; do
+          sleep 0.2; n=$((n+1))
+        done
+        place=$target
+        if /usr/bin/ditto "$source" "$target" 2>/dev/null; then
+          xattr -cr "$target" 2>/dev/null
+        else
+          alt="$HOME/Applications/$(basename "$target")"
+          mkdir -p "$HOME/Applications"
+          if /usr/bin/ditto "$source" "$alt" 2>/dev/null; then
+            xattr -cr "$alt" 2>/dev/null
+            place=$alt
+          fi
+        fi
+        open -n "$place"
+        rm -rf "$staging"
+        rm -f "$0"
+        """
+        try? body.write(to: url, atomically: true, encoding: .utf8)
+        try? FileManager.default.setAttributes([.posixPermissions: 0o755], ofItemAtPath: url.path)
+        return url
+    }
+
+    private func emit(_ cb: @escaping (UpdateState) -> Void, _ state: UpdateState) {
+        DispatchQueue.main.async { cb(state) }
+    }
+
+    private func atomTip(_ atom: String) -> String? {
+        if let m = atom.range(of: #"Commit/([0-9a-f]{40})"#, options: [.regularExpression, .caseInsensitive]) {
+            return String(atom[m]).split(separator: "/").last.map(String.init)
+        }
+        if let m = atom.range(of: #"/commit/([0-9a-f]{7,40})"#, options: [.regularExpression, .caseInsensitive]) {
+            return String(atom[m]).split(separator: "/").last.map(String.init)
+        }
+        return nil
+    }
+
+    private func atomMainSha(_ atom: String) -> String? {
+        guard let regex = try? NSRegularExpression(pattern: #"Build from ([0-9a-f]{7,40})"#, options: .caseInsensitive),
+              let match = regex.firstMatch(in: atom, range: NSRange(atom.startIndex..., in: atom)),
+              let range = Range(match.range(at: 1), in: atom)
+        else { return nil }
+        return String(atom[range])
+    }
+
+    private func sameCommit(_ a: String, _ b: String) -> Bool {
+        let n = min(a.count, b.count)
+        return n >= 7 && a.prefix(n).lowercased() == b.prefix(n).lowercased()
+    }
+
+    private func get(_ url: String) throws -> String {
+        guard let u = URL(string: url) else { throw URLError(.badURL) }
+        var req = URLRequest(url: u, timeoutInterval: 15)
+        req.setValue("maturita.c-macos", forHTTPHeaderField: "User-Agent")
+        req.setValue("*/*", forHTTPHeaderField: "Accept")
+        let sem = DispatchSemaphore(value: 0)
+        var result: Result<String, Error> = .failure(URLError(.unknown))
+        URLSession.shared.dataTask(with: req) { data, resp, err in
+            if let err { result = .failure(err) }
+            else if let http = resp as? HTTPURLResponse, !(200...299).contains(http.statusCode) {
+                result = .failure(URLError(.badServerResponse))
+            } else if let data, let text = String(data: data, encoding: .utf8) {
+                result = .success(text)
+            } else {
+                result = .failure(URLError(.cannotDecodeContentData))
+            }
+            sem.signal()
+        }.resume()
+        _ = sem.wait(timeout: .now() + 20)
+        return try result.get()
+    }
+
+    private func download(_ url: String, to dest: URL) throws {
+        guard let u = URL(string: url) else { throw URLError(.badURL) }
+        let sem = DispatchSemaphore(value: 0)
+        var result: Result<Void, Error> = .failure(URLError(.unknown))
+        let task = URLSession.shared.downloadTask(with: u) { file, resp, err in
+            if let err { result = .failure(err) }
+            else if let http = resp as? HTTPURLResponse, !(200...299).contains(http.statusCode) {
+                result = .failure(URLError(.badServerResponse))
+            } else if let file {
+                do {
+                    try? FileManager.default.removeItem(at: dest)
+                    try FileManager.default.moveItem(at: file, to: dest)
+                    result = .success(())
+                } catch {
+                    result = .failure(error)
+                }
+            } else {
+                result = .failure(URLError(.cannotDecodeContentData))
+            }
+            sem.signal()
+        }
+        task.resume()
+        _ = sem.wait(timeout: .now() + 1800)
+        try result.get()
+    }
+
+    private func run(_ launch: String, _ args: [String]) throws {
+        let proc = Process()
+        proc.executableURL = URL(fileURLWithPath: launch)
+        proc.arguments = args
+        try proc.run()
+        proc.waitUntilExit()
+        if proc.terminationStatus != 0 {
+            throw URLError(.cannotParseResponse)
+        }
+    }
+}

scripts/bundle-macos-swift.sh

@@ -0,0 +1,128 @@
+#!/bin/sh
+# Build the native Swift macOS .app and zip it for the builds branch.
+
+set -eu
+
+root=$(CDPATH= cd -- "$(dirname "$0")/.." && pwd)
+cd "$root"
+
+export DEVELOPER_DIR="${DEVELOPER_DIR:-/Applications/Xcode.app/Contents/Developer}"
+if [ -z "${COMMIT:-}" ]; then
+  if [ ! -e "$root/.git" ] ||
+     ! COMMIT="$(git -C "$root" rev-parse --verify HEAD 2>/dev/null)"; then
+    echo "error: cannot determine the source commit; set COMMIT when bundling without Git metadata" >&2
+    exit 1
+  fi
+fi
+export COMMIT
+
+arch=$(uname -m)
+case "$arch" in
+  arm64|aarch64) arch_tag=arm64 ;;
+  x86_64) arch_tag=x86_64 ;;
+  *)
+    echo "Unsupported architecture: $arch" >&2
+    exit 1
+    ;;
+esac
+
+dd="$root/macos/DerivedData"
+out_zip="maturita-macos-swift-${arch_tag}.zip"
+mkdir -p "$dd" "$root/dist"
+
+xcodebuild \
+  -project macos/Maturita.xcodeproj \
+  -scheme Maturita \
+  -configuration Release \
+  -destination "generic/platform=macOS" \
+  -derivedDataPath "$dd" \
+  CODE_SIGNING_ALLOWED=NO \
+  CODE_SIGNING_REQUIRED=NO \
+  COMMIT="$COMMIT"
+
+app=$(find "$dd" -name 'Maturita.app' -path '*/Release/*' | head -n 1)
+if [ -z "$app" ]; then
+  echo "Maturita.app not found" >&2
+  exit 1
+fi
+
+dest="$root/dist/Maturita.app"
+rm -rf "$dest"
+cp -R "$app" "$dest"
+
+ENTITLEMENTS="$root/macos/Maturita/Maturita.entitlements"
+
+pick_sign_identity() {
+  if [ -n "${MACOS_SIGN_IDENTITY:-}" ]; then
+    printf '%s\n' "$MACOS_SIGN_IDENTITY"
+    return
+  fi
+  found="$(security find-identity -v -p codesigning 2>/dev/null \
+    | awk -F'"' '/Developer ID Application/ { print $2; exit }')"
+  if [ -n "$found" ]; then
+    printf '%s\n' "$found"
+    return
+  fi
+  printf '%s\n' "-"
+}
+
+IDENTITY="$(pick_sign_identity)"
+echo "==> Signing Maturita.app ($IDENTITY)"
+sign_args="--force --sign $IDENTITY"
+if [ "$IDENTITY" != "-" ]; then
+  sign_args="$sign_args --options runtime --timestamp"
+fi
+if [ -f "$ENTITLEMENTS" ]; then
+  # shellcheck disable=SC2086
+  codesign $sign_args --entitlements "$ENTITLEMENTS" "$dest"
+else
+  # shellcheck disable=SC2086
+  codesign $sign_args "$dest"
+fi
+codesign --verify --strict --verbose=2 "$dest"
+
+can_notarize() {
+  [ "$IDENTITY" != "-" ] || return 1
+  if [ -n "${APPLE_API_KEY:-}" ] && [ -n "${APPLE_API_KEY_ID:-}" ] &&
+     [ -n "${APPLE_API_ISSUER:-}" ]; then
+    return 0
+  fi
+  if [ -n "${APPLE_ID:-}" ] && [ -n "${APPLE_APP_SPECIFIC_PASSWORD:-}" ] &&
+     [ -n "${APPLE_TEAM_ID:-}" ]; then
+    return 0
+  fi
+  return 1
+}
+
+if can_notarize; then
+  echo "==> Notarizing Maturita.app"
+  zip="$root/dist/.notarize-$out_zip"
+  rm -f "$zip"
+  ditto -c -k --keepParent "$dest" "$zip"
+  if [ -n "${APPLE_API_KEY:-}" ]; then
+    keyfile="$(mktemp)"
+    printf '%s\n' "$APPLE_API_KEY" > "$keyfile"
+    xcrun notarytool submit "$zip" --wait \
+      --key "$keyfile" --key-id "$APPLE_API_KEY_ID" --issuer "$APPLE_API_ISSUER"
+    rm -f "$keyfile"
+  else
+    xcrun notarytool submit "$zip" --wait \
+      --apple-id "$APPLE_ID" \
+      --password "$APPLE_APP_SPECIFIC_PASSWORD" \
+      --team-id "$APPLE_TEAM_ID"
+  fi
+  rm -f "$zip"
+  xcrun stapler staple "$dest"
+else
+  if [ "$IDENTITY" != "-" ] && [ -n "${GITHUB_ACTIONS:-}${CI:-}" ]; then
+    echo "error: Developer ID is present but notarization secrets are missing." >&2
+    exit 1
+  fi
+fi
+
+rm -f "$root/dist/$out_zip"
+(
+  cd "$root/dist"
+  zip -qry "$out_zip" Maturita.app
+)
+echo "wrote $root/dist/$out_zip"

scripts/extract-android-content.py

@@ -10,8 +10,9 @@ from pathlib import Path
 
 ROOT = Path(__file__).resolve().parents[1]
 SRC = ROOT / "src"
-# Default target is the Android asset; Xcode passes `--out` and copies the
+# Default target is the Android asset; Xcode (iOS / native macOS) passes
-# file into the app bundle itself, so nothing generated lives under ios/.
+# `--out` and copies the file into the app bundle itself, so nothing
+# generated lives under ios/ or macos/.
 OUTS = [
     ROOT / "android" / "app" / "src" / "main" / "assets" / "content.json",
 ]

src/i18n.c

@@ -66,6 +66,11 @@ const TrEntry tr_ui[] = {
      "stejný obsah, rozhraní podle iOS.",
      "Native exam practice on iPhone. Czech and English, "
      "the same content, adapted to iOS."},
+    {"welcome_body_macos",
+     "Nativní procvičování na Macu. Česky i anglicky, "
+     "stejný obsah, rozhraní podle macOS.",
+     "Native exam practice on the Mac. Czech and English, "
+     "the same content, adapted to macOS."},
     {"update_ios_sideload",
      "Nový build je na GitHubu. Nainstalujte ho znovu přes Xcode nebo AltStore (%s).",
      "A newer build is on GitHub. Reinstall it with Xcode or AltStore (%s)."},