[iOS] Fix for CursorPosition Property Not Applied Correctly to Entry Control

src/Controls/tests/TestCases.HostApp/Issues/Issue19109.cs

@@ -0,0 +1,47 @@
+namespace Maui.Controls.Sample.Issues
+{
+	[XamlCompilation(XamlCompilationOptions.Compile)]
+	[Issue(IssueTracker.Github, 19109, "CursorPosition Property Not Applied Correctly to Entry Control on iOS Platform", PlatformAffected.iOS)]
+	public partial class Issue19109: ContentPage
+	{
+		Entry entry;
+		public Issue19109()
+		{
+			entry = new Entry
+            {
+                Text = "Entry 123",
+                CursorPosition = 5,
+                Placeholder = "Focus this entry to check if the cursor position is set correctly.",
+                ReturnType = ReturnType.Next,
+				AutomationId = "EntryControl"
+            };
+
+            var button = new Button
+            {
+                Text = "Focus Entry",
+				AutomationId = "FocusButton"
+            };
+
+            var label = new Label
+            {
+                Text = "Cursor Position: 5",
+                FontSize = 16,
+                TextColor = Colors.Black,
+                HorizontalOptions = LayoutOptions.Center
+            };
+
+            button.Clicked += (sender, e) =>
+            {
+                entry.Focus();
+            };
+
+            Content = new StackLayout
+            {
+                Children = { entry, button, label },
+                Padding = new Thickness(20),
+                Spacing = 10
+            };
+
+		}
+	}
+}

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue19109.cs

@@ -0,0 +1,23 @@
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.TestCases.Tests.Issues
+{
+	internal class Issue19109 : _IssuesUITest
+	{
+		public Issue19109(TestDevice device) : base(device) { }
+
+		public override string Issue => "CursorPosition Property Not Applied Correctly to Entry Control on iOS Platform";
+
+		[Test]
+		[Category(UITestCategories.Entry)]
+		public void EntryShouldApplyCursorPositionCorrectly()
+		{
+			App.WaitForElement("EntryControl");
+			App.WaitForElement("FocusButton");
+			App.Tap("FocusButton");
+			VerifyScreenshot();
+		}
+	}
+}

src/Core/src/Handlers/Entry/EntryHandler.iOS.cs

@@ -165,7 +165,12 @@ void OnEditingBegan(object? sender, EventArgs e)
 			{
 				if (sender is MauiTextField platformView && VirtualView is IEntry virtualView)
 				{
-					platformView.UpdateSelectionLength(virtualView);
+					if (virtualView.SelectionLength > 0) {
+						platformView.UpdateSelectionLength(virtualView);
+					}
+					else {
+						platformView.UpdateCursorPosition(virtualView);
+					}
 					virtualView.IsFocused = true;
 				}
 			}