Fix: Fixed issue where the preview pane had the wrong cursor when resizing

src/Files.App/ResourceDictionaries/DefaultGridSplitterStyle.xaml

@@ -9,7 +9,7 @@
 		<Setter Property="HorizontalAlignment" Value="Stretch" />
 		<Setter Property="VerticalAlignment" Value="Stretch" />
 		<Setter Property="IsFocusEngagementEnabled" Value="True" />
-		<Setter Property="MinWidth" Value="2" />
+		<Setter Property="MinWidth" Value="4" />
 		<Setter Property="MinHeight" Value="2" />
 		<Setter Property="BorderBrush" Value="{ThemeResource SplitterBorderBrush}" />
 		<Setter Property="Background" Value="Transparent" />

src/Files.App/Views/MainPage.xaml

@@ -319,6 +319,10 @@
 					Grid.Column="1"
 					x:Load="{x:Bind ShouldPreviewPaneBeActive, Mode=OneWay}"
 					ManipulationCompleted="PaneSplitter_ManipulationCompleted"
+					ManipulationStarted="PaneSplitter_ManipulationStarted"
+					PointerCanceled="PaneSplitter_PointerExited"
+					PointerEntered="PaneSplitter_PointerEntered"
+					PointerExited="PaneSplitter_PointerExited"
 					ResizeBehavior="BasedOnAlignment"
 					Style="{StaticResource DefaultGridSplitterStyle}" />
 

src/Files.App/Views/MainPage.xaml.cs

@@ -14,6 +14,7 @@
 using Files.Backend.Extensions;
 using Files.Backend.Services.Settings;
 using Files.Shared.EventArguments;
+using Microsoft.UI.Input;
 using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
@@ -25,6 +26,7 @@
 using System.Runtime.CompilerServices;
 using System.Threading.Tasks;
 using System.Windows.Input;
+using UWPToWinAppSDKUpgradeHelpers;
 using Windows.ApplicationModel;
 using Windows.Graphics;
 using Windows.Services.Store;
@@ -48,6 +50,12 @@ public MainPageViewModel ViewModel
 			set => DataContext = value;
 		}
 
+
+		/// <summary>
+		/// True if the user is currently resizing the preview pane
+		/// </summary>
+		private bool draggingPreviewPane;
+
 		public SidebarViewModel SidebarAdaptiveViewModel = new SidebarViewModel();
 
 		public OngoingTasksViewModel OngoingTasksViewModel => App.OngoingTasksViewModel;
@@ -321,7 +329,7 @@ private void Page_Loaded(object sender, RoutedEventArgs e)
 				return;
 
 			var totalLaunchCount = SystemInformation.Instance.TotalLaunchCount;
-			if(totalLaunchCount is 10 or 20 or 30 or 40 or 50)
+			if (totalLaunchCount is 10 or 20 or 30 or 40 or 50)
 			{
 				// Prompt user to review app in the Store
 				DispatcherQueue.TryEnqueue(async () => await PromptForReview());
@@ -416,6 +424,11 @@ private void UpdatePositioning()
 			}
 		}
 
+		private void PaneSplitter_ManipulationStarted(object sender, ManipulationStartedRoutedEventArgs e)
+		{
+			draggingPreviewPane = true;
+		}
+
 		private void PaneSplitter_ManipulationCompleted(object sender, ManipulationCompletedRoutedEventArgs e)
 		{
 			switch (PreviewPane?.Position)
@@ -427,6 +440,23 @@ private void PaneSplitter_ManipulationCompleted(object sender, ManipulationCompl
 					UserSettingsService.PreviewPaneSettingsService.HorizontalSizePx = PreviewPane.ActualHeight;
 					break;
 			}
+
+			draggingPreviewPane = false;
+		}
+
+		private void PaneSplitter_PointerExited(object sender, PointerRoutedEventArgs e)
+		{
+			if (draggingPreviewPane)
+				return;
+
+			var paneSplitter = (GridSplitter)sender;
+			paneSplitter.ChangeCursor(InputSystemCursor.Create(InputSystemCursorShape.Arrow));
+		}
+
+		private void PaneSplitter_PointerEntered(object sender, PointerRoutedEventArgs e)
+		{
+			var paneSplitter = (GridSplitter)sender;
+			paneSplitter.ChangeCursor(InputSystemCursor.Create(InputSystemCursorShape.SizeWestEast));
 		}
 
 		public bool ShouldPreviewPaneBeActive => UserSettingsService.PreviewPaneSettingsService.IsEnabled && ShouldPreviewPaneBeDisplayed;