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Qiita全国学生対抗戦Advent Calendar 2022

Day 10

【SwiftUI】MenuBarExtraが開かれた事を検知する

Posted at

はじめに

menuBarExtraStyle(.window)で閉じたことを検知したかったのですが、未だに出来ていません。
わかる方いたらコメントください。

いろいろ試してたら開いたことを検知できたので記録しておきます。

やりかた

import SwiftUI
import Combine
import AppKit

final class AppModel: ObservableObject {
    private var cancellable = Set<AnyCancellable>()

    init() {
        NotificationCenter.default.publisher(for: NSWindow.didBecomeKeyNotification)
            .sink { _ in
                print("✅")
            }
            .store(in: &cancellable)
    }
}

@main
struct swiftui_menubarextra_sampleApp: App {
    @StateObject private var appModel = AppModel()
    var body: some Scene {
        MenuBarExtra {
            ContentView()
        } label: {
            Image(systemName: "folder.fill")
        }
        .menuBarExtraStyle(.window)
    }
}

おわり

didBecomeKeyNotificationは監視対象のウインドウが一番前に来た時に通知するもの??かな??

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