Add an iPhone client sharing the macOS app's SwiftUI code

mac/Sources/Byre/Format.swift

@@ -1,4 +1,3 @@
-import AppKit
 import ByreAPI
 import OpenAPIRuntime
 import SwiftUI
@@ -206,10 +205,9 @@ struct Copyable<Content: View>: View {
     var body: some View {
         content
             .overlay(alignment: .topTrailing) {
-                if hover {
+                if hover || touchOnly {
                     Button {
-                        NSPasteboard.general.clearContents()
-                        NSPasteboard.general.setString(text, forType: .string)
+                        copyToClipboard(text)
                         copied = true
                         Task {
                             try? await Task.sleep(for: .milliseconds(1500))
@@ -270,22 +268,41 @@ struct Spinner: View {
     }
 }
 
-private struct SpinnerGlyphs: NSViewRepresentable {
+@MainActor
+private struct SpinnerGlyphs {
     let font: CTFont
     let color: Color
 
+    func update(_ v: SpinnerView, _ environment: EnvironmentValues) {
+        v.font = font
+        v.color = color.resolve(in: environment).cgColor
+        v.relayout()
+    }
+}
+
+#if os(macOS)
+extension SpinnerGlyphs: NSViewRepresentable {
     func makeNSView(context: Context) -> SpinnerView {
         SpinnerView()
     }
 
     func updateNSView(_ v: SpinnerView, context: Context) {
-        v.font = font
-        v.color = color.resolve(in: context.environment).cgColor
-        v.needsLayout = true
+        update(v, context.environment)
     }
 }
+#else
+extension SpinnerGlyphs: UIViewRepresentable {
+    func makeUIView(context: Context) -> SpinnerView {
+        SpinnerView()
+    }
 
-private final class SpinnerView: NSView {
+    func updateUIView(_ v: SpinnerView, context: Context) {
+        update(v, context.environment)
+    }
+}
+#endif
+
+private final class SpinnerView: PlatformView {
     private struct Key: Equatable {
         let size: CGSize
         let scale: CGFloat
@@ -299,16 +316,30 @@ private final class SpinnerView: NSView {
     private let glyph = CALayer()
     private var drawn: Key?
 
-    override init(frame: NSRect) {
+    override init(frame: CGRect) {
         super.init(frame: frame)
+        #if os(macOS)
         wantsLayer = true
         layer?.addSublayer(glyph)
+        #else
+        isUserInteractionEnabled = false
+        layer.addSublayer(glyph)
+        #endif
     }
 
     required init?(coder: NSCoder) {
         fatalError("init(coder:) is not supported")
     }
 
+    func relayout() {
+        #if os(macOS)
+        needsLayout = true
+        #else
+        setNeedsLayout()
+        #endif
+    }
+
+    #if os(macOS)
     override func viewDidChangeBackingProperties() {
         super.viewDidChangeBackingProperties()
         needsLayout = true
@@ -316,10 +347,20 @@ private final class SpinnerView: NSView {
 
     override func layout() {
         super.layout()
+        draw(scale: convertToBacking(NSSize(width: 1, height: 1)).width)
+    }
+    #else
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        draw(scale: traitCollection.displayScale)
+    }
+    #endif
+
+    private func draw(scale: CGFloat) {
         guard let font, let color, bounds.width > 0, bounds.height > 0 else {
             return
         }
-        let key = Key(size: bounds.size, scale: convertToBacking(NSSize(width: 1, height: 1)).width, font: font, color: color)
+        let key = Key(size: bounds.size, scale: scale, font: font, color: color)
         if key == drawn {
             return
         }