Improve vv /c/enthover and add keybind (#20127)

Content.Client/UserInterface/Controls/ListContainer.cs

@@ -344,7 +344,7 @@ public sealed class ListContainer : Control
     }
 }
 
-public sealed class ListContainerButton : ContainerButton
+public sealed class ListContainerButton : ContainerButton, IEntityControl
 {
     public readonly ListData Data;
     // public PanelContainer Background;
@@ -359,6 +359,8 @@ public sealed class ListContainerButton : ContainerButton
         //     PanelOverride = new StyleBoxFlat {BackgroundColor = new Color(55, 55, 68)}
         // });
     }
+
+    public EntityUid? UiEntity => (Data as EntityListData)?.Uid;
 }
 
 #region Data

Content.Client/UserInterface/Controls/SlotControl.cs

@@ -8,7 +8,7 @@ using Robust.Shared.Input;
 namespace Content.Client.UserInterface.Controls
 {
     [Virtual]
-    public abstract class SlotControl : Control
+    public abstract class SlotControl : Control, IEntityControl
     {
         public static int DefaultButtonSize = 64;
 
@@ -20,7 +20,7 @@ namespace Content.Client.UserInterface.Controls
         public TextureButton StorageButton { get; }
         public CooldownGraphic CooldownDisplay { get; }
 
-        public EntityUid? Entity => SpriteView.Sprite?.Owner;
+        public EntityUid? Entity => SpriteView.Entity;
 
         private bool _slotNameSet;
 
@@ -232,5 +232,7 @@ namespace Content.Client.UserInterface.Controls
             ButtonRect.Texture = Theme.ResolveTextureOrNull(_buttonTexturePath)?.Texture;
             HighlightRect.Texture = Theme.ResolveTextureOrNull(_highlightTexturePath)?.Texture;
         }
+
+        EntityUid? IEntityControl.UiEntity => Entity;
     }
 }

Content.Client/UserInterface/IEntityControl.cs

@@ -0,0 +1,10 @@
+namespace Content.Client.UserInterface;
+
+/// <summary>
+/// Simple interface that indicates that the given control is associated with some entity.
+/// This is primarily intended to be used with VV, so that you can easily open the VV window to examine an entity.
+/// </summary>
+public interface IEntityControl
+{
+    EntityUid? UiEntity { get; }
+}

Content.Client/UserInterface/Systems/Actions/Controls/ActionButton.cs

@@ -19,7 +19,7 @@ using Direction = Robust.Shared.Maths.Direction;
 
 namespace Content.Client.UserInterface.Systems.Actions.Controls;
 
-public sealed class ActionButton : Control
+public sealed class ActionButton : Control, IEntityControl
 {
     private IEntityManager? _entities;
 
@@ -197,7 +197,7 @@ public sealed class ActionButton : Control
     private void UpdateItemIcon()
     {
         if (!Actions.TryGetActionData(ActionId, out var action) ||
-            action is not { EntityIcon: { } entity } ||
+            action is not {EntityIcon: { } entity} ||
             !Entities.HasComponent<SpriteComponent>(entity))
         {
             _bigItemSpriteView.Visible = false;
@@ -344,7 +344,7 @@ public sealed class ActionButton : Control
     public void Depress(GUIBoundKeyEventArgs args, bool depress)
     {
         // action can still be toggled if it's allowed to stay selected
-        if (!Actions.TryGetActionData(ActionId, out var action) || action is not { Enabled: true })
+        if (!Actions.TryGetActionData(ActionId, out var action) || action is not {Enabled: true})
             return;
 
         if (_depressed && !depress)
@@ -401,4 +401,6 @@ public sealed class ActionButton : Control
 
         SetOnlyStylePseudoClass(ContainerButton.StylePseudoClassNormal);
     }
+
+    EntityUid? IEntityControl.UiEntity => ActionId;
 }