[WIP] SDL2 Renderer for tokamak

Package.resolved

@@ -53,6 +53,15 @@
         "revision" : "f8a9c997c3c1dab4e216a8ec9014e23144cbab37",
         "version" : "1.9.0"
       }
+    },
+    {
+      "identity" : "swiftsdl2",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/ctreffs/SwiftSDL2.git",
+      "state" : {
+        "revision" : "30a2886bd68e43fc19ba29b63ffe230ac0e4db7a",
+        "version" : "1.4.1"
+      }
     }
   ],
   "version" : 2

Package.swift

@@ -1,4 +1,4 @@
 // swift-tools-version:5.6
 
 import PackageDescription
 
@@ -27,6 +27,10 @@
       name: "TokamakStaticHTMLDemo",
       targets: ["TokamakStaticHTMLDemo"]
     ),
+    .library(
+      name: "TokamakSDL2",
+      targets: ["TokamakSDL2"]
+    ),
     .library(
       name: "TokamakGTK",
       targets: ["TokamakGTK"]
@@ -65,6 +69,10 @@
       url: "https://github.com/pointfreeco/swift-snapshot-testing.git",
       from: "1.9.0"
     ),
+    .package(
+      url: "https://github.com/ctreffs/SwiftSDL2.git",
+      from: "1.4.1"
+    ),
   ],
   targets: [
     // Targets are the basic building blocks of a package. A target can define
@@ -85,6 +93,7 @@
       dependencies: [
         .target(name: "TokamakDOM", condition: .when(platforms: [.wasi])),
         .target(name: "TokamakGTK", condition: .when(platforms: [.linux])),
+        .target(name: "TokamakSDL2", condition: .when(platforms: [.linux, .windows, .android])),
       ]
     ),
     .systemLibrary(
@@ -119,6 +128,20 @@
         ),
       ]
     ),
+    .target(
+      name: "TokamakSDL2",
+      dependencies: [
+        "TokamakCore",
+        .product(
+          name: "OpenCombineShim",
+          package: "OpenCombine"
+        ),
+        .product(
+          name: "SDL",
+          package: "SwiftSDL2"
+        ),
+      ]
+    ),
     .executableTarget(
       name: "TokamakGTKDemo",
       dependencies: ["TokamakGTK"],

Sources/TokamakSDL2/App/App.swift

@@ -0,0 +1,39 @@
+// Copyright 2020-2021 Tokamak contributors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+//  Created by Szymon on 2/10/23.
+//
+
+import OpenCombineShim
+import SDL
+import TokamakCore
+
+public extension App {
+  static func _launch(_ app: Self, with configuration: _AppConfiguration) {
+    _ = Unmanaged.passRetained(SDLRenderer(app, configuration.rootEnvironment))
+  }
+
+  static func _setTitle(_ title: String) {
+    guard let window = SDLRenderer.shared?.window else { return }
+    SDL_SetWindowTitle(window, title)
+  }
+
+  var _phasePublisher: AnyPublisher<ScenePhase, Never> {
+    CurrentValueSubject(.active).eraseToAnyPublisher()
+  }
+
+  var _colorSchemePublisher: AnyPublisher<ColorScheme, Never> {
+    CurrentValueSubject(.light).eraseToAnyPublisher()
+  }
+}

Sources/TokamakSDL2/Core.swift

@@ -0,0 +1,256 @@
+// Copyright 2020-2021 Tokamak contributors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+//  Created by Szymon on 30/09/23.
+//
+
+import TokamakCore
+
+// MARK: Environment & State
+
+public typealias DynamicProperty = TokamakCore.DynamicProperty
+
+public typealias Environment = TokamakCore.Environment
+public typealias EnvironmentKey = TokamakCore.EnvironmentKey
+public typealias EnvironmentObject = TokamakCore.EnvironmentObject
+public typealias EnvironmentValues = TokamakCore.EnvironmentValues
+
+public typealias PreferenceKey = TokamakCore.PreferenceKey
+
+public typealias Binding = TokamakCore.Binding
+public typealias ObservableObject = TokamakCore.ObservableObject
+public typealias ObservedObject = TokamakCore.ObservedObject
+public typealias Published = TokamakCore.Published
+public typealias State = TokamakCore.State
+public typealias StateObject = TokamakCore.StateObject
+
+// MARK: Modifiers & Styles
+
+public typealias ViewModifier = TokamakCore.ViewModifier
+public typealias ModifiedContent = TokamakCore.ModifiedContent
+
+public typealias DefaultTextFieldStyle = TokamakCore.DefaultTextFieldStyle
+public typealias PlainTextFieldStyle = TokamakCore.PlainTextFieldStyle
+public typealias RoundedBorderTextFieldStyle = TokamakCore.RoundedBorderTextFieldStyle
+public typealias SquareBorderTextFieldStyle = TokamakCore.SquareBorderTextFieldStyle
+
+public typealias DefaultListStyle = TokamakCore.DefaultListStyle
+public typealias PlainListStyle = TokamakCore.PlainListStyle
+public typealias InsetListStyle = TokamakCore.InsetListStyle
+public typealias GroupedListStyle = TokamakCore.GroupedListStyle
+public typealias InsetGroupedListStyle = TokamakCore.InsetGroupedListStyle
+public typealias SidebarListStyle = TokamakCore.SidebarListStyle
+
+public typealias DefaultPickerStyle = TokamakCore.DefaultPickerStyle
+public typealias PopUpButtonPickerStyle = TokamakCore.PopUpButtonPickerStyle
+public typealias RadioGroupPickerStyle = TokamakCore.RadioGroupPickerStyle
+public typealias SegmentedPickerStyle = TokamakCore.SegmentedPickerStyle
+public typealias WheelPickerStyle = TokamakCore.WheelPickerStyle
+
+public typealias ToggleStyle = TokamakCore.ToggleStyle
+public typealias ToggleStyleConfiguration = TokamakCore.ToggleStyleConfiguration
+
+public typealias ButtonStyle = TokamakCore.ButtonStyle
+public typealias ButtonStyleConfiguration = TokamakCore.ButtonStyleConfiguration
+public typealias DefaultButtonStyle = TokamakCore.DefaultButtonStyle
+public typealias PlainButtonStyle = TokamakCore.PlainButtonStyle
+public typealias BorderedButtonStyle = TokamakCore.BorderedButtonStyle
+public typealias BorderedProminentButtonStyle = TokamakCore.BorderedProminentButtonStyle
+public typealias BorderlessButtonStyle = TokamakCore.BorderlessButtonStyle
+public typealias LinkButtonStyle = TokamakCore.LinkButtonStyle
+
+public typealias ControlGroupStyle = TokamakCore.ControlGroupStyle
+public typealias AutomaticControlGroupStyle = TokamakCore.AutomaticControlGroupStyle
+public typealias NavigationControlGroupStyle = TokamakCore.NavigationControlGroupStyle
+
+public typealias TextFieldStyle = TokamakCore.TextFieldStyle
+
+public typealias FillStyle = TokamakCore.FillStyle
+public typealias ShapeStyle = TokamakCore.ShapeStyle
+public typealias StrokeStyle = TokamakCore.StrokeStyle
+
+public typealias ColorScheme = TokamakCore.ColorScheme
+
+// MARK: Shapes
+
+public typealias Shape = TokamakCore.Shape
+
+public typealias Capsule = TokamakCore.Capsule
+public typealias Circle = TokamakCore.Circle
+public typealias Ellipse = TokamakCore.Ellipse
+public typealias Path = TokamakCore.Path
+public typealias Rectangle = TokamakCore.Rectangle
+public typealias RoundedRectangle = TokamakCore.RoundedRectangle
+public typealias ContainerRelativeShape = TokamakCore.ContainerRelativeShape
+
+// MARK: Shape Styles
+
+public typealias HierarchicalShapeStyle = TokamakCore.HierarchicalShapeStyle
+
+public typealias ForegroundStyle = TokamakCore.ForegroundStyle
+public typealias BackgroundStyle = TokamakCore.BackgroundStyle
+
+public typealias Material = TokamakCore.Material
+
+public typealias Gradient = TokamakCore.Gradient
+public typealias LinearGradient = TokamakCore.LinearGradient
+public typealias RadialGradient = TokamakCore.RadialGradient
+public typealias EllipticalGradient = TokamakCore.EllipticalGradient
+public typealias AngularGradient = TokamakCore.AngularGradient
+
+// MARK: Primitive values
+
+public typealias Color = TokamakCore.Color
+public typealias Font = TokamakCore.Font
+
+#if !canImport(CoreGraphics)
+public typealias CGAffineTransform = TokamakCore.CGAffineTransform
+#endif
+
+public typealias Angle = TokamakCore.Angle
+public typealias Axis = TokamakCore.Axis
+public typealias UnitPoint = TokamakCore.UnitPoint
+
+public typealias Edge = TokamakCore.Edge
+
+public typealias Prominence = TokamakCore.Prominence
+
+public typealias GraphicsContext = TokamakCore.GraphicsContext
+
+public typealias TimelineSchedule = TokamakCore.TimelineSchedule
+public typealias TimelineScheduleMode = TokamakCore.TimelineScheduleMode
+public typealias AnimationTimelineSchedule = TokamakCore.AnimationTimelineSchedule
+public typealias EveryMinuteTimelineSchedule = TokamakCore.EveryMinuteTimelineSchedule
+public typealias ExplicitTimelineSchedule = TokamakCore.ExplicitTimelineSchedule
+public typealias PeriodicTimelineSchedule = TokamakCore.PeriodicTimelineSchedule
+
+public typealias HorizontalAlignment = TokamakCore.HorizontalAlignment
+public typealias VerticalAlignment = TokamakCore.VerticalAlignment
+
+// MARK: Views
+
+public typealias Alignment = TokamakCore.Alignment
+public typealias Button = TokamakCore.Button
+public typealias Canvas = TokamakCore.Canvas
+public typealias ControlGroup = TokamakCore.ControlGroup
+public typealias ControlSize = TokamakCore.ControlSize
+public typealias DatePicker = TokamakCore.DatePicker
+public typealias DisclosureGroup = TokamakCore.DisclosureGroup
+public typealias Divider = TokamakCore.Divider
+public typealias ForEach = TokamakCore.ForEach
+public typealias GeometryReader = TokamakCore.GeometryReader
+public typealias GridItem = TokamakCore.GridItem
+public typealias Group = TokamakCore.Group
+public typealias HStack = TokamakCore.HStack
+public typealias Image = TokamakCore.Image
+public typealias LazyHGrid = TokamakCore.LazyHGrid
+public typealias LazyVGrid = TokamakCore.LazyVGrid
+public typealias Link = TokamakCore.Link
+public typealias List = TokamakCore.List
+public typealias NavigationLink = TokamakCore.NavigationLink
+public typealias NavigationView = TokamakCore.NavigationView
+public typealias OutlineGroup = TokamakCore.OutlineGroup
+public typealias Picker = TokamakCore.Picker
+public typealias ProgressView = TokamakCore.ProgressView
+public typealias ScrollView = TokamakCore.ScrollView
+public typealias Section = TokamakCore.Section
+public typealias SecureField = TokamakCore.SecureField
+public typealias Slider = TokamakCore.Slider
+public typealias Spacer = TokamakCore.Spacer
+public typealias Text = TokamakCore.Text
+public typealias TextEditor = TokamakCore.TextEditor
+public typealias TextField = TokamakCore.TextField
+public typealias TimelineView = TokamakCore.TimelineView
+public typealias Toggle = TokamakCore.Toggle
+public typealias VStack = TokamakCore.VStack
+public typealias ZStack = TokamakCore.ZStack
+
+// MARK: Special Views
+
+public typealias View = TokamakCore.View
+public typealias AnyView = TokamakCore.AnyView
+public typealias EmptyView = TokamakCore.EmptyView
+
+// MARK: Layout
+
+public typealias Layout = TokamakCore.Layout
+public typealias AnyLayout = TokamakCore.AnyLayout
+public typealias LayoutProperties = TokamakCore.LayoutProperties
+public typealias LayoutSubviews = TokamakCore.LayoutSubviews
+public typealias LayoutSubview = TokamakCore.LayoutSubview
+public typealias LayoutValueKey = TokamakCore.LayoutValueKey
+public typealias ProposedViewSize = TokamakCore.ProposedViewSize
+public typealias ViewSpacing = TokamakCore.ViewSpacing
+
+// MARK: Toolbars
+
+public typealias ToolbarItem = TokamakCore.ToolbarItem
+public typealias ToolbarItemGroup = TokamakCore.ToolbarItemGroup
+public typealias ToolbarItemPlacement = TokamakCore.ToolbarItemPlacement
+public typealias ToolbarContentBuilder = TokamakCore.ToolbarContentBuilder
+
+// MARK: Text
+
+public typealias TextAlignment = TokamakCore.TextAlignment
+
+// MARK: App & Scene
+
+public typealias App = TokamakCore.App
+public typealias _AppConfiguration = TokamakCore._AppConfiguration
+public typealias Scene = TokamakCore.Scene
+public typealias WindowGroup = TokamakCore.WindowGroup
+public typealias ScenePhase = TokamakCore.ScenePhase
+public typealias AppStorage = TokamakCore.AppStorage
+public typealias SceneStorage = TokamakCore.SceneStorage
+
+// MARK: Misc
+
+public typealias ViewBuilder = TokamakCore.ViewBuilder
+
+// MARK: Animation
+
+public typealias Animation = TokamakCore.Animation
+public typealias Transaction = TokamakCore.Transaction
+
+public typealias Animatable = TokamakCore.Animatable
+public typealias AnimatablePair = TokamakCore.AnimatablePair
+public typealias EmptyAnimatableData = TokamakCore.EmptyAnimatableData
+
+public typealias AnimatableModifier = TokamakCore.AnimatableModifier
+
+public typealias AnyTransition = TokamakCore.AnyTransition
+
+public func withTransaction<Result>(
+  _ transaction: Transaction,
+  _ body: () throws -> Result
+) rethrows -> Result {
+  try TokamakCore.withTransaction(transaction, body)
+}
+
+public func withAnimation<Result>(
+  _ animation: Animation? = .default,
+  _ body: () throws -> Result
+) rethrows -> Result {
+  try TokamakCore.withAnimation(animation, body)
+}
+
+// FIXME: I would put this inside TokamakCore, but for
+// some reason it doesn't get exported with the typealias
+public extension Text {
+  static func + (lhs: Self, rhs: Self) -> Self {
+    _concatenating(lhs: lhs, rhs: rhs)
+  }
+}
+
+public typealias PreviewProvider = TokamakCore.PreviewProvider