右上角更多菜单改用 UIBarButtonItem 实现

2026-07-12 20:37:25 +08:00
parent 0ff7aecfa2
commit e4a860db01
2 changed files with 94 additions and 53 deletions
@@ -0,0 +1,87 @@
+//
+//  MoreMenuBarButton.swift
+//  Note
+//
+//  Created by fish on 2026/7/12.
+//
+
+import SwiftUI
+
+struct MoreMenuBarButton: UIViewRepresentable {
+    @Binding var text: String
+    @Binding var showCopied: Bool
+
+    func makeUIView(context: Context) -> UIView {
+        let button = makeGlassButton()
+        button.menu = context.coordinator.makeMenu()
+        button.showsMenuAsPrimaryAction = true
+
+        let barButtonItem = UIBarButtonItem(customView: button)
+        context.coordinator.barButtonItem = barButtonItem
+        context.coordinator.button = button
+
+        return button
+    }
+
+    func updateUIView(_ uiView: UIView, context: Context) {
+        context.coordinator.button?.menu = context.coordinator.makeMenu()
+    }
+
+    func makeCoordinator() -> Coordinator {
+        Coordinator(self)
+    }
+
+    private func makeGlassButton() -> UIButton {
+        let button = UIButton(type: .system)
+        button.setImage(UIImage(systemName: "ellipsis"), for: .normal)
+        button.tintColor = UIColor.label
+        button.frame = CGRect(x: 0, y: 0, width: 44, height: 44)
+        button.layer.cornerRadius = 22
+        button.clipsToBounds = true
+
+        let blurEffect = UIBlurEffect(style: .systemUltraThinMaterial)
+        let blurView = UIVisualEffectView(effect: blurEffect)
+        blurView.frame = button.bounds
+        blurView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+        blurView.isUserInteractionEnabled = false
+        button.insertSubview(blurView, at: 0)
+
+        return button
+    }
+
+    class Coordinator {
+        var parent: MoreMenuBarButton
+        weak var barButtonItem: UIBarButtonItem?
+        weak var button: UIButton?
+
+        init(_ parent: MoreMenuBarButton) {
+            self.parent = parent
+        }
+
+        func makeMenu() -> UIMenu {
+            let copyAction = UIAction(
+                title: "复制",
+                image: UIImage(systemName: "doc.on.doc"),
+                attributes: parent.text.isEmpty ? .disabled : [],
+                handler: { [weak self] _ in
+                    UIPasteboard.general.string = self?.parent.text ?? ""
+                    self?.parent.showCopied = true
+                    DispatchQueue.main.asyncAfter(deadline: .now() + 1.5) {
+                        self?.parent.showCopied = false
+                    }
+                }
+            )
+
+            let clearAction = UIAction(
+                title: "清除",
+                image: UIImage(systemName: "xmark.circle"),
+                attributes: parent.text.isEmpty ? [.disabled, .destructive] : .destructive,
+                handler: { [weak self] _ in
+                    self?.parent.text = ""
+                }
+            )
+
+            return UIMenu(title: "", children: [copyAction, clearAction])
+        }
+    }
+}