google_apps/google_apps/Widgets/WidgetPreviewCard.swift

import SwiftUI

struct WidgetPreviewCard: View {
    let app: LauncherApp
    let variant: WidgetVariant

    var body: some View {
        DesktopWidgetView(app: app, variant: variant, isPreview: true)
            .frame(width: previewSize.width, height: previewSize.height)
            .allowsHitTesting(false)
            .clipShape(RoundedRectangle(cornerRadius: 18, style: .continuous))
            .overlay(
                RoundedRectangle(cornerRadius: 18, style: .continuous)
                    .stroke(Color.white.opacity(0.10), lineWidth: 1)
            )
    }

    private var previewSize: CGSize {
        switch variant.size {
        case .small:
            return CGSize(width: 190, height: 190)
        case .medium:
            return CGSize(width: 340, height: 190)
        case .large:
            return CGSize(width: 340, height: 260)
        }
    }
}

#Preview {
    ZStack {
        Color.black
        WidgetPreviewCard(
            app: LauncherApp.sampleApps[1],
            variant: WidgetTemplates.variants(for: LauncherApp.sampleApps[1])[0]
        )
            .frame(width: 520, height: 360)
            .padding()
    }
}