Properly restore label width (fixes issue 192).

Assets/FullInspector2/Core/Editor/IBehaviorEditor.cs

@@ -73,12 +73,13 @@ public void Edit(Rect rect, UnityObject behavior) {
 
             // Seed the label width - sometimes we don't always go through the
             // property editor logic.
+            float savedLabelWidth = EditorGUIUtility.labelWidth;
             EditorGUIUtility.labelWidth = fiGUI.PushLabelWidth(GUIContent.none, rect.width);
 
             // Run the editor
             OnEdit(rect, (TBehavior)behavior, fiPersistentMetadata.GetMetadataFor(behavior));
 
-            fiGUI.PopLabelWidth();
+            EditorGUIUtility.labelWidth = savedLabelWidth;
 
             // If the GUI has been changed, then we want to reserialize the
             // current object state. However, we don't bother doing this if we're

Assets/FullInspector2/Core/Editor/IPropertyEditorExtensions.cs

@@ -84,6 +84,7 @@ public static T Edit<T>(this IPropertyEditor editor, Rect region, GUIContent lab
             BeginMethodSet(BaseMethodCall.Edit, out setBaseMethod);
 
             try {
+                float currentLabeWidth = EditorGUIUtility.labelWidth;
                 EditorGUIUtility.labelWidth = fiGUI.PushLabelWidth(label, region.width);
 
                 // TODO: introduce a fast-path, we are burning lots of time in
@@ -92,7 +93,7 @@ public static T Edit<T>(this IPropertyEditor editor, Rect region, GUIContent lab
                 if (typeof(T).IsPrimitive) result = DoEditFast(api, region, label, element, metadata.Metadata);
                 else result = DoEditSlow(api, region, label, element, metadata.Metadata);
 
-                EditorGUIUtility.labelWidth = fiGUI.PopLabelWidth();
+                EditorGUIUtility.labelWidth = currentLabeWidth;
 
                 return result;
             }