Examine verbs + tooltip buttons (#6489)

Content.Client/Examine/ExamineButton.cs

@@ -0,0 +1,61 @@
+using Content.Client.ContextMenu.UI;
+using Content.Client.Stylesheets;
+using Content.Shared.Verbs;
+using Robust.Client.AutoGenerated;
+using Robust.Client.Graphics;
+using Robust.Client.UserInterface.Controls;
+using Robust.Client.UserInterface.XAML;
+using Robust.Client.Utility;
+using Robust.Shared.Utility;
+
+namespace Content.Client.Examine;
+
+/// <summary>
+///     Buttons that show up in the examine tooltip to specify more detailed
+///     ways to examine an item.
+/// </summary>
+public class ExamineButton : ContainerButton
+{
+    public const string StyleClassExamineButton = "examine-button";
+
+    public const int ElementHeight = 32;
+    public const int ElementWidth = 32;
+
+    private const int Thickness = 4;
+
+    public TextureRect Icon;
+
+    public ExamineVerb Verb;
+
+    public ExamineButton(ExamineVerb verb)
+    {
+        Margin = new Thickness(Thickness, Thickness, Thickness, Thickness);
+
+        SetOnlyStyleClass(StyleClassExamineButton);
+
+        Verb = verb;
+
+        if (verb.Disabled)
+        {
+            Disabled = true;
+        }
+
+        ToolTip = verb.Message;
+
+        Icon = new TextureRect
+        {
+            SetWidth = ElementWidth,
+            SetHeight = ElementHeight
+        };
+
+        if (verb.IconTexture != null)
+        {
+            var icon = new SpriteSpecifier.Texture(new ResourcePath(verb.IconTexture));
+
+            Icon.Texture = icon.Frame0();
+            Icon.Stretch = TextureRect.StretchMode.KeepAspectCentered;
+
+            AddChild(Icon);
+        }
+    }
+}