Version: 2019.2
public static int keyboardControl ;

Description

controlID элемента управления с фокусом на клавиатуру.

using UnityEngine;

public class Example : MonoBehaviour { // Click on the text field to see the id of the control.

string str = "A String!"; void OnGUI() { str = GUILayout.TextField(str, 10); Debug.Log("id: " + GUIUtility.keyboardControl); } }