NSTextView 滚动

Question

如何使 NSTextView 可滚动？

问题：

文本视图显示但不可滚动。我必须调整 window 才能看到更多内容

问题：

如何使文本视图可滚动。

代码：

class ViewController: NSViewController {

    private let textView                = NSTextView()

    //MARK: Manage Views

    override func viewDidLoad() {
        super.viewDidLoad()

        setupTextView()
    }


    private func setupTextView() {

        textView.isEditable      = false

        view.addSubview(textView)

        textView.translatesAutoresizingMaskIntoConstraints = false

        textView.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true
        textView.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true
        textView.topAnchor.constraint(equalTo: view.topAnchor).isActive = true
        textView.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true
    }
}

Answer 1

NSTextView 不滚动，将文本视图放在 NSScrollView 内。 Class 方法 scrollableTextView() of NSTextView returns a NSTextView in a NSScrollView.

private var textView:NSTextView?

private func setupTextView() {

    let scrollView = NSTextView.scrollableTextView()
    textView = scrollView.documentView as? NSTextView

    textView?.isEditable      = false

    view.addSubview(scrollView)

    scrollView.translatesAutoresizingMaskIntoConstraints = false

    scrollView.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true
    scrollView.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true
    scrollView.topAnchor.constraint(equalTo: view.topAnchor).isActive = true
    scrollView.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true
}

NSTextView 滚动

NSTextView Scrolling

macos

cocoa

nstextview

swift

问题：

问题：

代码：