Meshtastic-Apple/Meshtastic/Helpers/EmojiOnlyTextField.swift

//
//  EmojiKeyboard.swift
//  Meshtastic
//
//  Copyright(c) Garth Vander Houwen 1/10/23.
//
import SwiftUI

class SwiftUIEmojiTextField: UITextField {
	
	override func awakeFromNib() {
		super.awakeFromNib()
	}
	
	func setEmoji() {
		_ = self.textInputMode
	}
	
	override var textInputContextIdentifier: String? {
		return ""
	}
	
	override var textInputMode: UITextInputMode? {
		for mode in UITextInputMode.activeInputModes {
			if mode.primaryLanguage == "emoji" {
				self.keyboardType = .default // do not remove this
				return mode
			}
		}
		return nil
	}
}

struct EmojiOnlyTextField: UIViewRepresentable {
	@Binding var text: String
	var placeholder: String = ""
	
	func makeUIView(context: Context) -> SwiftUIEmojiTextField {
		let emojiTextField = SwiftUIEmojiTextField()
		emojiTextField.placeholder = placeholder
		emojiTextField.text = text
		emojiTextField.delegate = context.coordinator
		return emojiTextField
	}
	
	func updateUIView(_ uiView: SwiftUIEmojiTextField, context: Context) {
		uiView.text = text
	}
	
	func makeCoordinator() -> Coordinator {
		Coordinator(parent: self)
	}
	
	class Coordinator: NSObject, UITextFieldDelegate {
		var parent: EmojiOnlyTextField
		init(parent: EmojiOnlyTextField) {
			self.parent = parent
		}
		func textFieldDidChangeSelection(_ textField: UITextField) {
			DispatchQueue.main.async { [weak self] in
				self?.parent.text = textField.text ?? ""
			}
		}
	}
}

//struct EmojiContentView: View {
//
//	@State private var text: String = ""
//
//	var body: some View {
//		EmojiTextField(text: $text, placeholder: "Enter emoji")
//	}
//}