Added tooltip retrived from the shell

Author: 0x5bfa

src/Files.App.CsWin32/ManualGuid.cs

@@ -38,6 +38,9 @@ public static Guid* IID_IStorageProviderStatusUISourceFactory
 
 		[GuidRVAGen.Guid("2E941141-7F97-4756-BA1D-9DECDE894A3D")]
 		public static partial Guid* IID_IApplicationActivationManager { get; }
+
+		[GuidRVAGen.Guid("00021500-0000-0000-C000-000000000046")]
+		public static partial Guid* IID_IQueryInfo { get; }
 	}
 
 	public static unsafe partial class CLSID

src/Files.App.CsWin32/NativeMethods.txt

@@ -224,3 +224,5 @@ BITMAP
 GetObject
 _SICHINTF
 RoGetAgileReference
+IQueryInfo
+QITIPF_FLAGS

src/Files.App.Storage/Storables/WindowsStorage/WindowsStorableHelpers.Shell.cs

@@ -124,5 +124,24 @@ public unsafe static HRESULT TryInvokeContextMenuVerbs(this IWindowsStorable sto
 
 			return hr;
 		}
+
+		public unsafe static HRESULT TryGetShellTooltip(this IWindowsStorable storable, out string? tooltip)
+		{
+			tooltip = null;
+
+			using ComPtr<IQueryInfo> pQueryInfo = default;
+			HRESULT hr = storable.ThisPtr.Get()->BindToHandler(null, BHID.BHID_SFUIObject, IID.IID_IQueryInfo, (void**)pQueryInfo.GetAddressOf());
+			if (hr.ThrowIfFailedOnDebug().Failed)
+				return hr;
+
+			pQueryInfo.Get()->GetInfoTip((uint)QITIPF_FLAGS.QITIPF_DEFAULT, out var pszTip);
+			if (hr.ThrowIfFailedOnDebug().Failed)
+				return hr;
+
+			tooltip = pszTip.ToString();
+			PInvoke.CoTaskMemFree(pszTip);
+
+			return HRESULT.S_OK;
+		}
 	}
 }

src/Files.App/Data/Items/WidgetFolderCardItem.cs

@@ -19,18 +19,21 @@ public sealed partial class WidgetFolderCardItem : WidgetCardItem, IWidgetCardIt
 
 		public bool IsPinned { get; set; }
 
+		public string Tooltip { get; set; }
+
 		private BitmapImage? _Thumbnail;
 		public BitmapImage? Thumbnail { get => _Thumbnail; set => SetProperty(ref _Thumbnail, value); }
 
 		// Constructor
 
-		public WidgetFolderCardItem(IWindowsStorable item, string text, bool isPinned)
+		public WidgetFolderCardItem(IWindowsStorable item, string text, bool isPinned, string tooltip)
 		{
 			AutomationProperties = text;
 			Item = item;
 			Text = text;
 			IsPinned = isPinned;
 			Path = item.GetDisplayName(SIGDN.SIGDN_DESKTOPABSOLUTEPARSING);
+			Tooltip = tooltip;
 		}
 
 		// Methods

src/Files.App/UserControls/Widgets/QuickAccessWidget.xaml

@@ -37,7 +37,8 @@
 						DataContext="{x:Bind}"
 						PointerPressed="Button_PointerPressed"
 						RightTapped="Button_RightTapped"
-						Tag="{x:Bind Path}">
+						Tag="{x:Bind Path}"
+						ToolTipService.ToolTip="{x:Bind Tooltip}">
 						<Grid
 							HorizontalAlignment="Stretch"
 							VerticalAlignment="Stretch"

src/Files.App/ViewModels/UserControls/Widgets/QuickAccessWidgetViewModel.cs

@@ -75,13 +75,15 @@ public Task RefreshWidgetAsync()
 				await foreach (IWindowsStorable folder in HomePageContext.HomeFolder.GetQuickAccessFolderAsync(default))
 				{
 					folder.GetPropertyValue<bool>("System.Home.IsPinned", out var isPinned);
+					folder.TryGetShellTooltip(out var tooltip);
 
 					Items.Insert(
 						Items.Count,
 						new WidgetFolderCardItem(
 							folder,
 							folder.GetDisplayName(SIGDN.SIGDN_PARENTRELATIVEFORUI),
-							isPinned));
+							isPinned,
+							tooltip ?? string.Empty));
 				}
 			});
 		}