Add support for macOS and backport to older OS versions

gradle.properties

@@ -8,3 +8,7 @@ org.gradle.caching=true
 #Android
 android.nonTransitiveRClass=true
 android.useAndroidX=true
+#Compose Multiplatform
+org.jetbrains.compose.experimental.macos.enabled=true
+#Kotlin/Native
+kotlin.native.ignoreDisabledTargets=true

iosApp/iosApp.xcodeproj/project.pbxproj

@@ -11,7 +11,7 @@
 /* End PBXFileReference section */
 
 /* Begin PBXFileSystemSynchronizedBuildFileExceptionSet section */
-		D262C3356B38E7E13FFE64E4 /* PBXFileSystemSynchronizedBuildFileExceptionSet */ = {
+		D262C3356B38E7E13FFE64E4 /* Exceptions for "iosApp" folder in "iosApp" target */ = {
 			isa = PBXFileSystemSynchronizedBuildFileExceptionSet;
 			membershipExceptions = (
 				Info.plist,
@@ -23,21 +23,13 @@
 /* Begin PBXFileSystemSynchronizedRootGroup section */
 		24D66E9CCFCEB2D844328B79 /* Configuration */ = {
 			isa = PBXFileSystemSynchronizedRootGroup;
-			explicitFileTypes = {
-			};
-			explicitFolders = (
-			);
 			path = Configuration;
 			sourceTree = "<group>";
 		};
 		55D8B06C58654F251C5B3381 /* iosApp */ = {
 			isa = PBXFileSystemSynchronizedRootGroup;
 			exceptions = (
-				D262C3356B38E7E13FFE64E4 /* PBXFileSystemSynchronizedBuildFileExceptionSet */,
+				D262C3356B38E7E13FFE64E4 /* Exceptions for "iosApp" folder in "iosApp" target */,
-			);
-			explicitFileTypes = {
-			};
-			explicitFolders = (
 			);
 			path = iosApp;
 			sourceTree = "<group>";
@@ -84,6 +76,7 @@
 				5BCD356C334571BCAA0967CA /* Sources */,
 				C2B5A146484C5EC128AEFD65 /* Frameworks */,
 				96EB3DBC5DECE4CD4D246992 /* Resources */,
+				1DADA2DD199949A498015FFD /* Sanitize Moko Resource Bundle Names */,
 			);
 			buildRules = (
 			);
@@ -181,6 +174,24 @@
 			shellPath = /bin/sh;
 			shellScript = "\"$SRCROOT/../gradlew\" -p \"$SRCROOT/../\" :shared:copyFrameworkResourcesToApp \\\n    -Pmoko.resources.PLATFORM_NAME=\"$PLATFORM_NAME\" \\\n    -Pmoko.resources.CONFIGURATION=\"$CONFIGURATION\" \\\n    -Pmoko.resources.ARCHS=\"$ARCHS\" \\\n    -Pmoko.resources.BUILT_PRODUCTS_DIR=\"$BUILT_PRODUCTS_DIR\" \\\n    -Pmoko.resources.CONTENTS_FOLDER_PATH=\"$CONTENTS_FOLDER_PATH\" \n";
 		};
+		1DADA2DD199949A498015FFD /* Sanitize Moko Resource Bundle Names */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+			);
+			name = "Sanitize Moko Resource Bundle Names";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "if [ \"$PLATFORM_NAME\" != \"macosx\" ]; then\n  exit 0\nfi\n# moko-resources names its resource bundle after the Kotlin klib unique_name (group:module),\n# e.g. SatsPrice:shared.bundle, and drops it directly under Contents/. Colons break\n# codesign, and a loose bundle outside Contents/Resources isn't recognized as a proper\n# nested bundle either, so the final app-level CodeSign phase fails with \"code object is\n# not signed at all\" unless we rename and relocate it. NSBundle resolves this bundle by\n# directory identity, not by name/path, so moko-resources/localization lookups still work.\nfind \"$CODESIGNING_FOLDER_PATH\" -type d -name \"*:*.bundle\" | while IFS= read -r bundle; do\n  safe_name=$(basename \"$bundle\" | tr ':' '_')\n  mkdir -p \"$CODESIGNING_FOLDER_PATH/Contents/Resources\"\n  dest=\"$CODESIGNING_FOLDER_PATH/Contents/Resources/$safe_name\"\n  rm -rf \"$dest\"\n  mv \"$bundle\" \"$dest\"\ndone\n";
+		};
 /* End PBXShellScriptBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */
@@ -200,18 +211,21 @@
 				ARCHS = arm64;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				"CODE_SIGN_ENTITLEMENTS[sdk=macosx*]" = iosApp/macOS.entitlements;
 				CODE_SIGN_IDENTITY = "Apple Development";
+				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_ASSET_PATHS = "\"iosApp/Preview Content\"";
-				DEVELOPMENT_TEAM = "${TEAM_ID}";
+				DEVELOPMENT_TEAM = S99A5B637C;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = iosApp/Info.plist;
-				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
+				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
-				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
+				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphone*]" = YES;
-				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
+				"INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents[sdk=iphone*]" = YES;
-				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphone*]" = YES;
-				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				"INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad[sdk=iphone*]" = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				"INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone[sdk=iphone*]" = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -270,11 +284,13 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 18.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
-				SDKROOT = iphoneos;
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
 				SWIFT_COMPILATION_MODE = wholemodule;
 				VALIDATE_PRODUCT = YES;
 			};
@@ -334,12 +350,14 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 18.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
-				SDKROOT = iphoneos;
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "DEBUG $(inherited)";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 			};
@@ -351,18 +369,21 @@
 				ARCHS = arm64;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				"CODE_SIGN_ENTITLEMENTS[sdk=macosx*]" = iosApp/macOS.entitlements;
 				CODE_SIGN_IDENTITY = "Apple Development";
+				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_ASSET_PATHS = "\"iosApp/Preview Content\"";
-				DEVELOPMENT_TEAM = "${TEAM_ID}";
+				DEVELOPMENT_TEAM = S99A5B637C;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = iosApp/Info.plist;
-				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
+				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
-				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
+				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphone*]" = YES;
-				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
+				"INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents[sdk=iphone*]" = YES;
-				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphone*]" = YES;
-				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				"INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad[sdk=iphone*]" = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				"INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone[sdk=iphone*]" = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",

iosApp/iosApp/ContentView.swift

@@ -6,7 +6,7 @@ struct ContentView: View {
     @State private var showCurrencyPicker = false
 
     var body: some View {
-        NavigationView {
+        NavigationStack {
             Group {
                 if let state = viewModel.state {
                     form(for: state)
@@ -121,13 +121,18 @@ struct ContentView: View {
                         onChange: { viewModel.onFiatAmountChanged(code: row.code, value: $0) }
                     )
                 }
+                #if os(iOS)
                 .onDelete { indexSet in
                     for index in indexSet {
                         viewModel.onFiatCurrencyToggled(state.fiatRows[index].code)
                     }
                 }
+                #endif
             }
         }
+        #if os(macOS)
+        .formStyle(.grouped)
+        #endif
         .sheet(isPresented: $showCurrencyPicker) {
             CurrencyPickerSheet(
                 currencies: state.availableCurrencies,
@@ -142,7 +147,7 @@ struct ContentView: View {
     private func amountRow(
         label: String,
         value: String,
-        keyboardType: UIKeyboardType,
+        keyboardType: NumericFieldKeyboard,
         sanitize: @escaping (String) -> String,
         onChange: @escaping (String) -> Void
     ) -> some View {
@@ -150,7 +155,7 @@ struct ContentView: View {
             Text(label)
             Spacer()
             NumericField(
-                placeholder: label,
+                placeholder: "",
                 value: value,
                 keyboardType: keyboardType,
                 sanitize: sanitize,
@@ -170,7 +175,7 @@ struct ContentView: View {
 private struct NumericField: View {
     let placeholder: String
     let value: String
-    let keyboardType: UIKeyboardType
+    let keyboardType: NumericFieldKeyboard
     let sanitize: (String) -> String
     let onChange: (String) -> Void
     var alignment: TextAlignment = .leading
@@ -179,10 +184,15 @@ private struct NumericField: View {
 
     var body: some View {
         TextField(placeholder, text: $text)
-            .keyboardType(keyboardType)
+            #if os(iOS)
+            .keyboardType(keyboardType.uiKeyboardType)
+            #endif
             .multilineTextAlignment(alignment)
+            #if os(macOS)
+            .frame(maxWidth: 140)
+            #endif
             .onAppear { text = value }
-            .onChange(of: text) { _, newValue in
+            .onChange(of: text) { newValue in
                 let sanitized = sanitize(newValue)
                 if sanitized != newValue {
                     text = sanitized
@@ -191,7 +201,7 @@ private struct NumericField: View {
                     onChange(sanitized)
                 }
             }
-            .onChange(of: value) { _, newValue in
+            .onChange(of: value) { newValue in
                 if newValue != text {
                     text = newValue
                 }
@@ -216,3 +226,21 @@ private func sanitizeDecimalInput(_ raw: String) -> String {
 private func sanitizeIntegerInput(_ raw: String) -> String {
     raw.filter { $0.isNumber }
 }
+
+/// `UIKeyboardType` doesn't exist on macOS (no on-screen keyboard), so this stands in for it
+/// across both platforms; only iOS actually applies it, via `uiKeyboardType` below.
+private enum NumericFieldKeyboard {
+    case decimalPad
+    case numberPad
+}
+
+#if os(iOS)
+private extension NumericFieldKeyboard {
+    var uiKeyboardType: UIKeyboardType {
+        switch self {
+        case .decimalPad: return .decimalPad
+        case .numberPad: return .numberPad
+        }
+    }
+}
+#endif

iosApp/iosApp/CurrencyPickerSheet.swift

@@ -10,7 +10,7 @@ struct CurrencyPickerSheet: View {
     @Environment(\.dismiss) private var dismiss
 
     var body: some View {
-        NavigationView {
+        NavigationStack {
             List(currencies, id: \.code) { info in
                 Button {
                     onToggle(info.code)
@@ -27,13 +27,21 @@ struct CurrencyPickerSheet: View {
                 }
             }
             .navigationTitle(IosLocalizationKt.localizedString(resource: MR.strings.shared.currencies_section_title))
+            #if os(iOS)
             .navigationBarTitleDisplayMode(.inline)
+            #endif
             .toolbar {
                 ToolbarItem(placement: .confirmationAction) {
                     Button(IosLocalizationKt.localizedString(resource: MR.strings.shared.done)) { dismiss() }
                 }
             }
         }
+        #if os(macOS)
+        // macOS sizes a .sheet() to its content's ideal size rather than the parent window's
+        // size (unlike iOS, which presents modally full-size); without an explicit frame here,
+        // the List has no size to lay out rows in and renders empty.
+        .frame(minWidth: 420, minHeight: 480)
+        #endif
     }
 
     private func currencyLabel(for info: CurrencyInfo) -> String {

iosApp/iosApp/iOSApp.swift

@@ -5,6 +5,9 @@ struct iOSApp: App {
     var body: some Scene {
         WindowGroup {
             ContentView()
+                #if os(macOS)
+                .frame(minWidth: 420, minHeight: 500)
+                #endif
         }
     }
 }

iosApp/iosApp/macOS.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>
+	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
+</dict>
+</plist>

shared/build.gradle.kts

@@ -13,9 +13,10 @@ plugins {
 kotlin {
     listOf(
         iosArm64(),
-        iosSimulatorArm64()
+        iosSimulatorArm64(),
-    ).forEach { iosTarget ->
+        macosArm64()
-        iosTarget.binaries.framework {
+    ).forEach { appleTarget ->
+        appleTarget.binaries.framework {
             baseName = "Shared"
             isStatic = true
             export(libs.moko.resources)
@@ -87,7 +88,7 @@ kotlin {
             implementation(libs.kotlinx.coroutinesTest)
             implementation(libs.ktor.client.mock)
         }
-        iosMain.dependencies {
+        appleMain.dependencies {
             implementation(libs.ktor.client.darwin)
         }
         jvmMain.dependencies {

shared/src/macosMain/kotlin/xyz/tyiu/satsprice/Platform.macos.kt

@@ -0,0 +1,9 @@
+package xyz.tyiu.satsprice
+
+import platform.Foundation.NSProcessInfo
+
+class MacOSPlatform : Platform {
+    override val name: String = "macOS " + NSProcessInfo.processInfo.operatingSystemVersionString
+}
+
+actual fun getPlatform(): Platform = MacOSPlatform()