SelectionBox -> SelectionHandler

osu.Game.Rulesets.Mania/Edit/ManiaHitObjectComposer.cs

@@ -49,7 +49,7 @@ namespace osu.Game.Rulesets.Mania.Edit
             new NoteCompositionTool()
         };
 
-        public override SelectionBox CreateSelectionBox() => new ManiaSelectionBox();
+        public override SelectionHandler CreateSelectionHandler() => new ManiaSelectionHandler();
 
         public override SelectionBlueprint CreateBlueprintFor(DrawableHitObject hitObject)
         {

osu.Game.Rulesets.Mania/Edit/ManiaSelectionHandler.cs

@@ -13,7 +13,7 @@ using OpenTK;
 
 namespace osu.Game.Rulesets.Mania.Edit
 {
-    public class ManiaSelectionBox : SelectionBox
+    public class ManiaSelectionHandler : SelectionHandler
     {
         [Resolved]
         private IScrollingInfo scrollingInfo { get; set; }

osu.Game.Rulesets.Osu/Edit/OsuHitObjectComposer.cs

@@ -36,7 +36,7 @@ namespace osu.Game.Rulesets.Osu.Edit
             new SpinnerCompositionTool()
         };
 
-        public override SelectionBox CreateSelectionBox() => new OsuSelectionBox();
+        public override SelectionHandler CreateSelectionHandler() => new OsuSelectionHandler();
 
         protected override Container CreateLayerContainer() => new PlayfieldAdjustmentContainer { RelativeSizeAxes = Axes.Both };
 

osu.Game.Rulesets.Osu/Edit/OsuSelectionHandler.cs

@@ -8,7 +8,7 @@ using osu.Game.Screens.Edit.Compose.Components;
 
 namespace osu.Game.Rulesets.Osu.Edit
 {
-    public class OsuSelectionBox : SelectionBox
+    public class OsuSelectionHandler : SelectionHandler
     {
         public override void HandleDrag(DragEvent dragEvent)
         {

osu.Game.Tests/Visual/TestCaseHitObjectComposer.cs

@@ -29,7 +29,7 @@ namespace osu.Game.Tests.Visual
     {
         public override IReadOnlyList<Type> RequiredTypes => new[]
         {
-            typeof(SelectionBox),
+            typeof(SelectionHandler),
             typeof(DragBox),
             typeof(HitObjectComposer),
             typeof(OsuHitObjectComposer),

osu.Game/Rulesets/Edit/HitObjectComposer.cs

@@ -171,10 +171,9 @@ namespace osu.Game.Rulesets.Edit
         public virtual SelectionBlueprint CreateBlueprintFor(DrawableHitObject hitObject) => null;
 
         /// <summary>
-        /// Creates a <see cref="SelectionBox"/> which outlines <see cref="DrawableHitObject"/>s
-        /// and handles hitobject pattern adjustments.
+        /// Creates a <see cref="SelectionHandler"/> which outlines <see cref="DrawableHitObject"/>s and handles movement of selections.
         /// </summary>
-        public virtual SelectionBox CreateSelectionBox() => new SelectionBox();
+        public virtual SelectionHandler CreateSelectionHandler() => new SelectionHandler();
 
         /// <summary>
         /// Creates a <see cref="ScalableContainer"/> which provides a layer above or below the <see cref="Playfield"/>.

osu.Game/Screens/Edit/Compose/Components/BlueprintContainer.cs

@@ -22,7 +22,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
         private Container<PlacementBlueprint> placementBlueprintContainer;
         private PlacementBlueprint currentPlacement;
 
-        private SelectionBox selectionBox;
+        private SelectionHandler selectionHandler;
 
         private IEnumerable<SelectionBlueprint> selections => selectionBlueprints.Children.Where(c => c.IsAlive);
 
@@ -37,16 +37,16 @@ namespace osu.Game.Screens.Edit.Compose.Components
         [BackgroundDependencyLoader]
         private void load()
         {
-            selectionBox = composer.CreateSelectionBox();
-            selectionBox.DeselectAll = deselectAll;
+            selectionHandler = composer.CreateSelectionHandler();
+            selectionHandler.DeselectAll = deselectAll;
 
             var dragBox = new DragBox(select);
-            dragBox.DragEnd += () => selectionBox.UpdateVisibility();
+            dragBox.DragEnd += () => selectionHandler.UpdateVisibility();
 
             InternalChildren = new[]
             {
                 dragBox,
-                selectionBox,
+                selectionHandler,
                 selectionBlueprints = new SelectionBlueprintContainer { RelativeSizeAxes = Axes.Both },
                 placementBlueprintContainer = new Container<PlacementBlueprint> { RelativeSizeAxes = Axes.Both },
                 dragBox.CreateProxy()
@@ -168,19 +168,19 @@ namespace osu.Game.Screens.Edit.Compose.Components
 
         private void onBlueprintSelected(SelectionBlueprint blueprint)
         {
-            selectionBox.HandleSelected(blueprint);
+            selectionHandler.HandleSelected(blueprint);
             selectionBlueprints.ChangeChildDepth(blueprint, 1);
         }
 
         private void onBlueprintDeselected(SelectionBlueprint blueprint)
         {
-            selectionBox.HandleDeselected(blueprint);
+            selectionHandler.HandleDeselected(blueprint);
             selectionBlueprints.ChangeChildDepth(blueprint, 0);
         }
 
-        private void onSelectionRequested(SelectionBlueprint blueprint, InputState state) => selectionBox.HandleSelectionRequested(blueprint, state);
+        private void onSelectionRequested(SelectionBlueprint blueprint, InputState state) => selectionHandler.HandleSelectionRequested(blueprint, state);
 
-        private void onDragRequested(DragEvent dragEvent) => selectionBox.HandleDrag(dragEvent);
+        private void onDragRequested(DragEvent dragEvent) => selectionHandler.HandleDrag(dragEvent);
 
         private class SelectionBlueprintContainer : Container<SelectionBlueprint>
         {

osu.Game/Screens/Edit/Compose/Components/DragBox.cs

@@ -46,7 +46,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
             {
                 Masking = true,
                 BorderColour = Color4.White,
-                BorderThickness = SelectionBox.BORDER_RADIUS,
+                BorderThickness = SelectionHandler.BORDER_RADIUS,
                 Child = new Box
                 {
                     RelativeSizeAxes = Axes.Both,

osu.Game/Screens/Edit/Compose/Components/SelectionHandler.cs

@@ -19,9 +19,9 @@ using OpenTK.Input;
 namespace osu.Game.Screens.Edit.Compose.Components
 {
     /// <summary>
-    /// A box which surrounds <see cref="SelectionBlueprint"/>s and provides interactive handles, context menus etc.
+    /// A component which outlines <see cref="DrawableHitObject"/>s and handles movement of selections.
     /// </summary>
-    public class SelectionBox : CompositeDrawable
+    public class SelectionHandler : CompositeDrawable
     {
         public const float BORDER_RADIUS = 2;
 
@@ -35,7 +35,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
         [Resolved]
         private IPlacementHandler placementHandler { get; set; }
 
-        public SelectionBox()
+        public SelectionHandler()
         {
             selectedBlueprints = new List<SelectionBlueprint>();
 
@@ -63,6 +63,10 @@ namespace osu.Game.Screens.Edit.Compose.Components
 
         #region User Input Handling
 
+        /// <summary>
+        /// Handles the selected <see cref="DrawableHitObject"/>s being dragged.
+        /// </summary>
+        /// <param name="dragEvent">The drag event.</param>
         public virtual void HandleDrag(DragEvent dragEvent)
         {
         }
@@ -139,7 +143,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
         #endregion
 
         /// <summary>
-        /// Updates whether this <see cref="SelectionBox"/> is visible.
+        /// Updates whether this <see cref="SelectionHandler"/> is visible.
         /// </summary>
         internal void UpdateVisibility()
         {