CursorPosition not calculated correctly on behaviors events for iOS devices

src/Controls/tests/TestCases.HostApp/Issues/Issue32483.cs

@@ -0,0 +1,29 @@
+namespace Maui.Controls.Sample.Issues;
+
+[Issue(IssueTracker.Github, 32483, "CursorPosition not calculated correctly on behaviors events for iOS devices", PlatformAffected.iOS)]
+
+public class Issue32483 : ContentPage
+{
+	public Issue32483()
+	{
+		var stackLayout = new StackLayout();
+		var label = new Label
+		{
+			Text = "CursorPosition :",
+		};
+		label.AutomationId = "CursorLabel";
+		label.HeightRequest = 100;
+		var entry = new Entry();
+		entry.Keyboard = Keyboard.Numeric;
+		entry.TextChanged += (s, e) =>
+		{
+			label.Text = "CursorPosition : " + entry.CursorPosition;
+		};
+		entry.AutomationId = "TestEntry";
+		entry.HeightRequest = 100;
+		stackLayout.Children.Add(label);
+		stackLayout.Children.Add(entry);
+		Content = stackLayout;
+	}
+}
+

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue32483.cs

@@ -0,0 +1,25 @@
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.TestCases.Tests.Issues;
+
+public class Issue32483 : _IssuesUITest
+{
+	public Issue32483(TestDevice device) : base(device)
+	{
+	}
+
+	public override string Issue => "CursorPosition not calculated correctly on behaviors events for iOS devices";
+
+	[Test]
+	[Category(UITestCategories.Entry)]
+	public void Issue32483Test()
+	{
+		// Tap the button to push the FlyoutPage modally
+		App.WaitForElement("TestEntry");
+		App.Tap("TestEntry");
+		App.EnterText("TestEntry","12345");
+		App.WaitForElement("CursorPosition : 5");
+	}
+}

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

@@ -192,6 +192,15 @@ void OnEditingChanged(object? sender, EventArgs e)
 			{
 				if (sender is MauiTextField platformView)
 				{
+					// Update cursor position BEFORE updating text so that when TextChanged event fires,
+					// the CursorPosition property reflects the current native cursor position
+					var cursorPosition = platformView.GetCursorPosition();
+
+					if (VirtualView?.CursorPosition != cursorPosition)
+					{
+						VirtualView?.CursorPosition = cursorPosition;
+					}
+
 					VirtualView?.UpdateText(platformView.Text);
 				}
 			}