Captura/Presentation/Popovers/HelpPopoverViewController.swift


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import Cocoa

class HelpPopoverViewController: NSViewController {
  
    var labelString: String = "Captura"
    let textField = NSTextField()
  
    override func loadView() {
      self.view = NSView()
      self.view.frame = NSRect(x: 0, y: 0, width: 250, height: 40)

      textField.stringValue = labelString
      textField.font = NSFont(name: "Hiragino Mincho ProN", size: 12)
      textField.isEditable = false
      textField.isBezeled = false
      textField.isSelectable = false
      textField.backgroundColor = NSColor.clear
      textField.sizeToFit()
      
      let x = (view.frame.width - textField.frame.width) / 2
      let y = (view.frame.height - textField.frame.height) / 2
      textField.frame.origin = NSPoint(x: x, y: y)

      self.view.addSubview(textField)
    }
  
  func updateLabel(_ newLabel: String) {
    labelString = newLabel
    textField.stringValue = labelString
    textField.sizeToFit()

    let x = (view.frame.width - textField.frame.width) / 2
    let y = (view.frame.height - textField.frame.height) / 2
    textField.frame.origin = NSPoint(x: x, y: y)
  }
}