CodeEditTextView

import CodeEditTextView
import AppKit

/// # ViewController
/// 
/// An example view controller for displaying a text view embedded in a scroll view.
class ViewController: NSViewController, TextViewDelegate {
    private var scrollView: NSScrollView!
    private var textView: TextView!
    
    var text: String = "func helloWorld() {\n\tprint(\"hello world\")\n}"
    var font: NSFont!
    var textColor: NSColor!
    
    override func loadView() {
		textView = TextView(
            string: text,
            font: font,
            textColor: textColor,
            lineHeightMultiplier: 1.0,
            wrapLines: true,
            isEditable: true,
            isSelectable: true,
            letterSpacing: 1.0,
            delegate: self
        )
        textView.translatesAutoresizingMaskIntoConstraints = false

        scrollView = NSScrollView()
        scrollView.translatesAutoresizingMaskIntoConstraints = false
        scrollView.hasVerticalScroller = true
        scrollView.hasHorizontalScroller = true
        scrollView.documentView = textView
        self.view = scrollView
		NSLayoutConstraint.activate([
            scrollView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
            scrollView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
            scrollView.topAnchor.constraint(equalTo: view.topAnchor),
            scrollView.bottomAnchor.constraint(equalTo: view.bottomAnchor)
        ])

        textView.updateFrameIfNeeded()
    }
}