[OS - 🍎 macOS] macOS mouseDown, mouseUp, keyDown, keyUp event 설정방법 (NSViewController not responds to mouseDown, mouseUp, keyDown, keyUp event)

🗂 Handling Mouse, Keyboad Events Swift Source Code

override func viewDidLoad() {
        super.viewDidLoad()
 
        NSEvent.addLocalMonitorForEvents(matching: .keyDown) { [weak self] in
            guard let self = self else { return nil }
 
            self.keyDown(with: $0)
            return $0
        }
        NSEvent.addLocalMonitorForEvents(matching: .leftMouseDown) { [weak self] in
            guard let self = self else { return nil }
 
            self.mouseDown(with: $0)
            return $0
        }
}

// MARK: - Event Method
override func keyDown(with event: NSEvent) {
	super.keyDown(with: event)
}

override func mouseDown(with event: NSEvent) {
	super.mouseDown(with: event)
}

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🚀 REFERENCE

Handling Mouse Events

NSResponder - AppKit | Apple Developer Documentation