SimUL/Assets/Scripts/ToolTip.cs

using TMPro;
using UnityEngine;
using UnityEngine.UI;

[ExecuteInEditMode()]
public class ToolTip : MonoBehaviour
{
    public TextMeshProUGUI headerField;
    public TextMeshProUGUI contentField;
    public LayoutElement layoutElement;
    public int characterWrapLimit;

    public RectTransform rectTransform;
    private void Awake()
    {
        rectTransform = GetComponent<RectTransform>();
    }
    // Start is called before the first frame update
    public void SetText(string content, string header = "")
    {
        if (string.IsNullOrEmpty(header))
        {
            headerField.gameObject.SetActive(false);
        }
        else
        {
            headerField.gameObject.SetActive(true);
            headerField.text = header;
        }
        contentField.text = content;

        int headerLength = headerField.text.Length;
        int contentLength = contentField.text.Length;

        layoutElement.enabled = (headerLength > characterWrapLimit || contentLength > characterWrapLimit);
    }

    // Update is called once per frame
    void Update()
    {
        if (Application.isEditor)
        {
            int headerLength = headerField.text.Length;
            int contentLength = contentField.text.Length;

            layoutElement.enabled = (headerLength > characterWrapLimit || contentLength > characterWrapLimit);
        }
        Vector2 position = Input.mousePosition;

        float pivotX = position.x / Screen.width;
        float pivotY = position.y / Screen.height;

        rectTransform.pivot = new Vector2(pivotX, pivotY);
        transform.position = position;
    }
}