Fixes #5308. Add editor-oriented Command enum values (Find, Replace, InsertTab, Unindent, FindNext, FindPrevious)

Terminal.Gui/Input/Command.cs

@@ -214,6 +214,28 @@ public enum Command
     /// <summary>Unix emulation.</summary>
     UnixEmulation,
 
+    /// <summary>Inserts a tab character or spaces at the cursor or selection.</summary>
+    InsertTab,
+
+    /// <summary>Removes one level of indentation from the current line or selection.</summary>
+    Unindent,
+
+    #endregion
+
+    #region Search Commands
+
+    /// <summary>Opens or activates a find/search UI.</summary>
+    Find,
+
+    /// <summary>Finds the next match.</summary>
+    FindNext,
+
+    /// <summary>Finds the previous match.</summary>
+    FindPrevious,
+
+    /// <summary>Opens or activates a find-and-replace UI.</summary>
+    Replace,
+
     #endregion
 
     #region Tree Commands

Tests/UnitTestsParallelizable/Input/CommandEnumTests.cs

@@ -0,0 +1,38 @@
+// Copilot
+
+using Terminal.Gui.Input;
+
+namespace UnitTestsParallelizable.Input;
+
+public class CommandEnumTests
+{
+    [Fact]
+    public void EditorCommands_AreDefined ()
+    {
+        // Verify the editor-oriented Command enum values exist and are distinct
+        Command [] editorCommands =
+        [
+            Command.Find,
+            Command.FindNext,
+            Command.FindPrevious,
+            Command.Replace,
+            Command.InsertTab,
+            Command.Unindent
+        ];
+
+        // All values should be distinct
+        Assert.Equal (editorCommands.Length, editorCommands.Distinct ().Count ());
+    }
+
+    [Theory]
+    [InlineData (Command.Find)]
+    [InlineData (Command.FindNext)]
+    [InlineData (Command.FindPrevious)]
+    [InlineData (Command.Replace)]
+    [InlineData (Command.InsertTab)]
+    [InlineData (Command.Unindent)]
+    public void EditorCommand_IsDefined (Command command)
+    {
+        Assert.True (Enum.IsDefined (command));
+    }
+}