Use signal for presenting menus

Sources/Core/View/MenuWrapper.swift

@@ -11,7 +11,7 @@ import AppKit
 public struct MenuWrapper: MacWidget {
 
     /// Whether the menu is visible.
-    @Binding var isPresented: Bool
+    var present: Signal
     /// The content.
     var content: Body
     /// The menu.
@@ -20,10 +20,10 @@ public struct MenuWrapper: MacWidget {
     /// Initialize a menu wrapper.
     /// - Parameters:
     ///   - content: The view content.
-    ///   - isPresented: Whether the menu is visible.
+    ///   - present: The signal for presenting the menu.
     ///   - menu: The menu.
-    public init(@ViewBuilder content: () -> Body, isPresented: Binding<Bool>, @ViewBuilder menu: () -> Body) {
-        self._isPresented = isPresented
+    public init(@ViewBuilder content: () -> Body, present: Signal, @ViewBuilder menu: () -> Body) {
+        self.present = present
         self.content = content()
         self.menu = menu()
     }
@@ -65,12 +65,11 @@ public struct MenuWrapper: MacWidget {
             MenuCollection { self.menu }
                 .updateStorage(menu, data: data, updateProperties: updateProperties, type: MenuContext.self)
         }
-        if isPresented,
+        if present.update,
            let menu = storage.fields["menu"] as? NSMenu,
            let content = storage.content[.mainContent]?.first?.pointer as? NSView,
            let currentEvent = NSApp.currentEvent {
             NSMenu.popUpContextMenu(menu, with: currentEvent, for: content)
-            isPresented = false
         }
     }
 

Sources/Demo/Demo.swift

@@ -24,7 +24,7 @@ struct Demo: App {
     @State private var elements: [Element] = [.init()]
     @State private var selectedElement: String?
     @State private var alert = false
-    @State private var menuPresented = false
+    @State private var presentMenu: Signal = .init()
     @State private var selection = "Hello"
 
     var scene: Scene {
@@ -49,9 +49,9 @@ struct Demo: App {
                         selectedElement = element.id
                     }
                     Button(alert.description) {
-                        menuPresented = true
+                        presentMenu.signal()
                     }
-                    .menu(isPresented: $menuPresented) {
+                    .menu(present: presentMenu) {
                         MenuButton(alert.description) {
                             print("Hi")
                         }

Sources/MacBackend/AnyView.swift

@@ -35,8 +35,8 @@ extension AnyView {
     ///   - isPresented: Whether the menu is currently visible.
     ///   - menu: The menu.
     /// - Returns: The view.
-    public func menu(isPresented: Binding<Bool>, @ViewBuilder menu: @escaping () -> Body) -> AnyView {
-        MenuWrapper(content: { self }, isPresented: isPresented, menu: menu)
+    public func menu(present: Signal, @ViewBuilder menu: @escaping () -> Body) -> AnyView {
+        MenuWrapper(content: { self }, present: present, menu: menu)
     }
 
     /// Add toolbar items to the end.