Merge branch 'add-previewbackground'

finestructure · Mar 20, 2020 · 5c29859 · 5c29859
2 parents 33d40e3 + 7a8a071
commit 5c29859
Showing 1 changed file with 11 additions and 3 deletions.
diff --git a/Sources/Gala/Gala.swift b/Sources/Gala/Gala.swift
@@ -3,9 +3,17 @@ import SwiftUI
 
 public func NightAndDay<A: View>(_ name: String? = nil, @ViewBuilder items: @escaping () -> A) -> some View {
     ForEach(ColorScheme.allCases, id: \.self) { scheme in
-        items()
-            .previewDisplayName(name.map { "\($0) \(scheme)" } ?? "\(scheme)")
-            .environment(\.colorScheme, scheme)
+        // Credit https://twitter.com/heckj/status/1239968146682863618
+        ZStack {
+            if scheme == .dark {
+                Color.black
+            } else {
+                Color.white
+            }
+            items()
+        }
+        .previewDisplayName(name.map { "\($0) \(scheme)" } ?? "\(scheme)")
+        .environment(\.colorScheme, scheme)
     }
 }