class NowTextField: NSTextField {

    override func draw(_ dirtyRect: NSRect) {
        super.draw(dirtyRect)

        // required nonsense
        let textFieldLayer = CALayer()
        let textFieldRect = NSRect(x: 0, y: 0, width: 120, height: 32)
        let textFieldTrackingArea = NSTrackingArea.init(rect: textFieldRect, options: [NSTrackingAreaOptions.activeInActiveApp, NSTrackingAreaOptions.mouseEnteredAndExited], owner: self, userInfo: nil)
        self.wantsLayer = true
        self.layer = textFieldLayer
        self.addTrackingArea(textFieldTrackingArea)

        // styling
        self.textColor = NSColor.darkGray
        self.layer?.cornerRadius = 4
        self.layer?.backgroundColor = NSColor.white.cgColor
        self.layer?.borderColor = NSColor.lightGray.cgColor
        self.layer?.borderWidth = 2
        self.drawsBackground = false
    }

    override func mouseEntered(with event: NSEvent) {
        self.textColor = NSColor.darkGray
        self.layer?.cornerRadius = 4
        self.layer?.backgroundColor = NSColor.white.cgColor
        self.layer?.borderColor = NSColor.highlightBlue.cgColor
        self.layer?.borderWidth = 2
        self.drawsBackground = false
    }

    override func mouseExited(with event: NSEvent) {
        self.textColor = NSColor.darkGray
        self.layer?.cornerRadius = 4
        self.layer?.backgroundColor = NSColor.white.cgColor
        self.layer?.borderColor = NSColor.lightGray.cgColor
        self.layer?.borderWidth = 2
        self.drawsBackground = false
    }
}

class NowTextField: NSTextField {

override func draw(_ dirtyRect: NSRect) {
    super.draw(dirtyRect)

    // required nonsense
    let textFieldRect = NSRect(x: 0, y: 0, width: 120, height: 32)
    let textFieldTrackingArea = NSTrackingArea.init(rect: textFieldRect, options: [NSTrackingAreaOptions.activeInActiveApp, NSTrackingAreaOptions.mouseEnteredAndExited], owner: self, userInfo: nil)
    self.wantsLayer = true
    self.addTrackingArea(textFieldTrackingArea)

    // styling
    self.textColor = NSColor.darkGray
    self.layer?.cornerRadius = 4
    self.layer?.backgroundColor = NSColor.white.cgColor
    self.layer?.borderColor = NSColor.lightGray.cgColor
    self.layer?.borderWidth = 2
    self.drawsBackground = false
}

override func mouseEntered(with event: NSEvent) {
    self.textColor = NSColor.darkGray
    self.layer?.cornerRadius = 4
    self.layer?.backgroundColor = NSColor.white.cgColor
    self.layer?.borderColor = NSColor.highlightBlue.cgColor
    self.layer?.borderWidth = 2
    self.drawsBackground = false
}

override func mouseExited(with event: NSEvent) {
    self.textColor = NSColor.darkGray
    self.layer?.cornerRadius = 4
    self.layer?.backgroundColor = NSColor.white.cgColor
    self.layer?.borderColor = NSColor.lightGray.cgColor
    self.layer?.borderWidth = 2
    self.drawsBackground = false
}