fix:

Author: valdecidanilo

Assets/PackageLocale/Editor.meta

@@ -0,0 +1,27 @@
+#if UNITY_EDITOR
+using SimpleLocalization.Runtime;
+using UnityEditor;
+using UnityEngine;
+
+namespace OPAGames.SimpleLocalization.Editor
+{
+    [InitializeOnLoad]
+    public static class LocalizationEditorHelper
+    {
+        static LocalizationEditorHelper()
+        {
+            EditorApplication.playModeStateChanged += ApplyLanguageBeforePlay;
+        }
+
+        private static void ApplyLanguageBeforePlay(PlayModeStateChange state)
+        {
+            if (state != PlayModeStateChange.EnteredPlayMode) return;
+            var forceLanguage = EditorPrefs.GetBool("FineLocalization_UseEditorLanguage", false);
+            if (!forceLanguage) return;
+            var lang = EditorPrefs.GetString("FineLocalization_SelectedLanguage", "en-us");
+            LocalizationManager.Language = lang;
+            Debug.Log($"[Fine Localization] Force Language To: {lang} in Editor.");
+        }
+    }
+}
+#endif

Assets/PackageLocale/Editor/Icons.meta

@@ -0,0 +1,67 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using SimpleLocalization.Runtime;
+using UnityEditor;
+using UnityEditor.Overlays;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace OPAGames.SimpleLocalization.Editor.Menu
+{
+    [Overlay(typeof(SceneView), "Fine Localization", true), Icon("Assets/SimpleLocalization/Editor/Icons/translate.png")]
+    public class LocalizationOverlay : Overlay
+    {
+        private Texture icon { get; set; }
+        private Texture2D _icon;
+
+        public override VisualElement CreatePanelContent()
+        {
+            var root = new VisualElement();
+
+            if (LocalizationManager.Dictionary.Count == 0)
+                LocalizationManager.Read();
+
+            var langs = new List<string>(LocalizationManager.Dictionary.Keys
+                .Where(k => !string.Equals(k, "KEY", StringComparison.OrdinalIgnoreCase)));
+            var popupField = new PopupField<string>("Idioma", langs, LocalizationManager.Language);
+
+            popupField.style.minWidth = 160;
+            root.Add(popupField);
+
+            var useEditorLanguage = EditorPrefs.GetBool("FineLocalization_UseEditorLanguage", false);
+            popupField.SetEnabled(useEditorLanguage);
+
+            var toggle = new Toggle("Forçar linguagem do Editor") { value = useEditorLanguage };
+            toggle.RegisterValueChangedCallback(evt =>
+            {
+                EditorPrefs.SetBool("FineLocalization_UseEditorLanguage", evt.newValue);
+                popupField.SetEnabled(evt.newValue);
+            });
+
+            root.Insert(0, toggle);
+
+            popupField.RegisterValueChangedCallback(evt =>
+            {
+                LocalizationManager.Language = evt.newValue;
+                EditorPrefs.SetString("FineLocalization_SelectedLanguage", evt.newValue);
+            });
+
+            return root;
+        }
+
+        public override void OnCreated()
+        {
+            _icon = AssetDatabase.LoadAssetAtPath<Texture2D>("Assets/SimpleLocalization/Editor/Icons/translate.png");
+
+            if (_icon != null)
+            {
+                icon = _icon;
+            }
+            else
+            {
+                Debug.LogWarning("[Fine Localization] Ícone não encontrado.");
+            }
+        }
+    }
+}

Assets/PackageLocale/Editor/Icons/translate.png

@@ -0,0 +1,30 @@
+using SimpleLocalization.Runtime;
+using UnityEditor;
+using UnityEngine;
+
+namespace SimpleLocalization.Scripts.Editor.Menu
+{
+    public class LocalizationSettingsWindow : EditorWindow
+    {
+        [MenuItem("Tools/SimpleLocalization/Settings")]
+        public static void ShowWindow()
+        {
+            GetWindow<LocalizationSettingsWindow>("Localization Settings");
+        }
+
+        private void OnGUI()
+        {
+            GUILayout.Label("Configuração de Linguagem", EditorStyles.boldLabel);
+
+            if (LocalizationManager.Dictionary.Count == 0)
+                LocalizationManager.Read();
+
+            var langs = new System.Collections.Generic.List<string>(LocalizationManager.Dictionary.Keys);
+            var index = langs.IndexOf(LocalizationManager.Language);
+            var newIndex = EditorGUILayout.Popup("Idioma atual", index, langs.ToArray());
+
+            if (newIndex != index)
+                LocalizationManager.Language = langs[newIndex];
+        }
+    }
+}