Version: 2018.3 (switch to 2019.1)
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  • C#

EditorGUI.EnumPopup

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public static Enum EnumPopup(Rect position, Enum selected, GUIStyle style = EditorStyles.popup);
public static Enum EnumPopup(Rect position, string label, Enum selected, GUIStyle style = EditorStyles.popup);
public static Enum EnumPopup(Rect position, GUIContent label, Enum selected, GUIStyle style = EditorStyles.popup);
public static Enum EnumPopup(Rect position, GUIContent label, Enum selected, Func<Enum,bool> checkEnabled = null, bool includeObsolete = false, GUIStyle style = null);

Parameters

positionRectangle on the screen to use for the field.
labelOptional label in front of the field.
selectedThe enum option the field shows.
styleOptional GUIStyle.
includeObsoleteSet to true to include Enum values with ObsoleteAttribute. Set to false to exclude Enum values with ObsoleteAttribute.
checkEnabledMethod called for each Enum value displayed. The specified method should return true if the option can be selected, false otherwise.

Returns

Enum The enum option that has been selected by the user.

Description

Makes an enum popup selection field.

Takes the currently selected enum value as a parameter and returns the enum value selected by the user.
Enum Popup in an Editor Window.

using UnityEditor;
using UnityEngine;


// Shows info of a GameObject depending on the selected option

public enum OPTIONS
{
    Position = 0,
    Rotation = 1,
    Scale = 2,
}


public class EditorGUIEnumPopup : EditorWindow
{
    OPTIONS display = OPTIONS.Position;

    [MenuItem("Examples/Editor GUI Enum Popup usage")]
    static void Init()
    {
        EditorWindow window = GetWindow(typeof(EditorGUIEnumPopup));
        window.position = new Rect(0, 0, 220, 80);
        window.Show();
    }

    void OnGUI()
    {
        Transform selectedObj = Selection.activeTransform;

        display = (OPTIONS)EditorGUI.EnumPopup(
            new Rect(3, 3, position.width - 6, 15),
            "Show:",
            display);

        EditorGUI.LabelField(new Rect(0, 20, position.width, 15),
            "Name:",
            selectedObj ? selectedObj.name : "Select an Object");
        if (selectedObj)
        {
            switch (display)
            {
                case OPTIONS.Position:
                    EditorGUI.LabelField(new Rect(0, 40, position.width, 15),
                        "Position:",
                        selectedObj.position.ToString());
                    break;

                case OPTIONS.Rotation:
                    EditorGUI.LabelField(new Rect(0, 40, position.width, 15),
                        "Rotation:",
                        selectedObj.rotation.ToString());
                    break;

                case OPTIONS.Scale:
                    EditorGUI.LabelField(new Rect(0, 40, position.width, 15),
                        "Scale:",
                        selectedObj.localScale.ToString());
                    break;

                default:
                    Debug.LogError("Unrecognized Option");
                    break;
            }
        }

        if (GUI.Button(new Rect(3, position.height - 25, position.width - 6, 24), "Close"))
            this.Close();
    }
}
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