module-project-validator/Editor/Window/Objects/EditorProjectValidatorEnabledPropertyDrawer.cs

using UnityEditor;
using UnityEditor.UIElements;
using UnityEngine.UIElements;

namespace Module.ProjectValidator.Editor
{
    [CustomPropertyDrawer(typeof(ProjectValidatorSettings.ValidatorEnabled))]
    internal sealed class EditorProjectValidatorEnabledPropertyDrawer : PropertyDrawer
    {
        public override VisualElement CreatePropertyGUI(SerializedProperty property)
        {
            var spType = property.FindPropertyRelative(nameof(ProjectValidatorSettings.ValidatorEnabled.type));
            var spEnabled = property.FindPropertyRelative(nameof(ProjectValidatorSettings.ValidatorEnabled.enabled));
            
            var root = new VisualElement { style = { flexDirection = FlexDirection.Row } };
            var veType = new PropertyField(spType, string.Empty) { style = { flexGrow = 1f } };
            var veEnabled = new PropertyField(spEnabled, string.Empty);
            root.Add(veEnabled);
            root.Add(veType);
            return root;
        }
    }
}