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我正在尝试将 UIKit 上下文菜单添加到 SwiftUI 视图,因为 SwiftUI 上下文菜单非常有限。我设法做到了,但 UIViewControllerRepresentable 占用的空间超出了它的需要。如何调整它的大小以适应其中的内容?这是我的代码。

截图

SwiftUI 代码

struct TrackerCard: View {
    var tracker: Tracker
    var body: some View {
        HStack {
            HStack {
               ...
            }
            .padding()
            .background(Color("Wrapper"))
            .cornerRadius(15)
        }
        .padding(.horizontal)
    }
}

struct TrackerCardView: View {
    var tracker: Tracker
    var body: some View {
        ContextMenuView(card: TrackerCard(tracker: tracker))
    }
}

UIKit 代码

class ContextMenuController : UIViewController, UIContextMenuInteractionDelegate {
    
    var card: TrackerCard?
    var hostingViewController: UIHostingController<TrackerCard>?
    
    func setViewController(_ controller : UIHostingController<TrackerCard>) {
        hostingViewController = controller
        self.addChild(controller)
        controller.view.translatesAutoresizingMaskIntoConstraints = false
        view.backgroundColor = .init(white: 1, alpha: 1)
        view.addSubview(controller.view)
        controller.didMove(toParent: self)
        controller.view.widthAnchor.constraint(equalTo: view.widthAnchor).isActive = true
    }
    
    func setInteraction() {
        let interaction = UIContextMenuInteraction(delegate: self)
        hostingViewController?.view.addInteraction(interaction)
    }
    
    func contextMenuInteraction(_ interaction: UIContextMenuInteraction, configurationForMenuAtLocation location: CGPoint) -> UIContextMenuConfiguration? {
        return ...
}

struct ContextMenuView: UIViewControllerRepresentable {
    typealias UIViewControllerType = ContextMenuController
    var card: TrackerCard
    var controller : UIViewControllerType? = nil
    
    func makeUIViewController(context: Context) -> ContextMenuController {
        let contextMenuController = controller ?? ContextMenuController()
        contextMenuController.card = card
        return contextMenuController
    }

    func updateUIViewController(_ contextMenuController: ContextMenuController, context: Context) {
        contextMenuController.setViewController(UIHostingController(rootView: card))
        contextMenuController.setInteraction()
    }
}
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