Add Orientation option to ContentWindow

Source/Editor/Options/InterfaceOptions.cs

@@ -127,6 +127,13 @@ namespace FlaxEditor.Options
         [EditorDisplay("Interface"), EditorOrder(250), Tooltip("Editor icons scale. Editor restart required.")]
         public float IconsScale { get; set; } = 1.0f;
 
+        /// <summary>
+        /// Gets or sets the editor content window orientation.
+        /// </summary>
+        [DefaultValue(FlaxEngine.GUI.Orientation.Horizontal)]
+        [EditorDisplay("Interface"), EditorOrder(280), Tooltip("Editor content window orientation.")]
+        public FlaxEngine.GUI.Orientation ContentWindowOrientation { get; set; } = FlaxEngine.GUI.Orientation.Horizontal;
+
         /// <summary>
         /// Gets or sets the timestamps prefix mode for output log messages.
         /// </summary>

Source/Editor/Windows/ContentWindow.cs

@@ -10,6 +10,7 @@ using FlaxEditor.GUI;
 using FlaxEditor.GUI.ContextMenu;
 using FlaxEditor.GUI.Input;
 using FlaxEditor.GUI.Tree;
+using FlaxEditor.Options;
 using FlaxEngine;
 using FlaxEngine.Assertions;
 using FlaxEngine.GUI;
@@ -73,6 +74,9 @@ namespace FlaxEditor.Windows
             editor.ContentDatabase.WorkspaceModified += () => _isWorkspaceDirty = true;
             editor.ContentDatabase.ItemRemoved += ContentDatabaseOnItemRemoved;
 
+            var options = Editor.Options;
+            options.OptionsChanged += OnOptionsChanged;
+
             // Toolstrip
             _toolStrip = new ToolStrip(34.0f)
             {
@@ -91,7 +95,7 @@ namespace FlaxEditor.Windows
             };
 
             // Split panel
-            _split = new SplitPanel(Orientation.Horizontal, ScrollBars.Both, ScrollBars.Vertical)
+            _split = new SplitPanel(options.Options.Interface.ContentWindowOrientation, ScrollBars.Both, ScrollBars.Vertical)
             {
                 AnchorPreset = AnchorPresets.StretchAll,
                 Offsets = new Margin(0, 0, _toolStrip.Bottom, 0),
@@ -234,6 +238,13 @@ namespace FlaxEditor.Windows
             return menu;
         }
 
+        private void OnOptionsChanged(EditorOptions options)
+        {
+            _split.Orientation = options.Interface.ContentWindowOrientation;
+
+            RefreshView();
+        }
+
         private void OnViewTypeButtonClicked(ContextMenuButton button)
         {
             View.ViewType = (ContentViewType)button.Tag;
@@ -917,6 +928,8 @@ namespace FlaxEditor.Windows
             _itemsSearchBox = null;
             _viewDropdown = null;
 
+            Editor.Options.OptionsChanged -= OnOptionsChanged;
+
             base.OnDestroy();
         }
     }