Feature: Use correct DPI settings for search suggestions (files-community#16688)

Author: yaira2

src/Files.App/UserControls/SearchBox.xaml

@@ -48,23 +48,24 @@
 				Spacing="8"
 				Tag="{x:Bind ItemPath}">
 				<Grid
-					Width="24"
-					Height="24"
+					Width="16"
+					Height="16"
 					Tag="ItemImage">
 					<Border
 						x:Name="Picture"
 						HorizontalAlignment="Stretch"
 						VerticalAlignment="Stretch"
 						x:Load="{x:Bind LoadFileIcon, Mode=OneWay}">
 						<Image
-							Width="24"
-							Height="24"
+							Width="16"
+							Height="16"
 							Source="{x:Bind FileImage, Mode=OneWay}"
 							Stretch="Uniform" />
 					</Border>
 					<FontIcon
 						x:Name="EmptyIconGlyph"
 						x:Load="{x:Bind NeedsPlaceholderGlyph, Mode=OneWay}"
+						FontSize="14"
 						Glyph="{x:Bind IsRecentSearch, Mode=OneTime, Converter={StaticResource SearchSuggestionGlyphConverter}}" />
 				</Grid>
 				<TextBlock VerticalAlignment="Center" Text="{x:Bind Name}" />
@@ -98,6 +99,12 @@
 		<AutoSuggestBox.KeyboardAccelerators>
 			<KeyboardAccelerator Key="Escape" Invoked="SearchRegion_Escaped" />
 		</AutoSuggestBox.KeyboardAccelerators>
+
+		<AutoSuggestBox.ItemContainerStyle>
+			<Style BasedOn="{StaticResource DefaultListViewItemStyle}" TargetType="ListViewItem">
+				<Setter Property="MinHeight" Value="36" />
+			</Style>
+		</AutoSuggestBox.ItemContainerStyle>
 	</AutoSuggestBox>
 
 </UserControl>

src/Files.App/Utils/Storage/Search/FolderSearch.cs

@@ -21,10 +21,10 @@ public sealed class FolderSearch
 		private const uint defaultStepSize = 500;
 
 		public string? Query { get; set; }
+
 		public string? Folder { get; set; }
 
 		public uint MaxItemCount { get; set; } = 0; // 0: no limit
-		public uint ThumbnailSize { get; set; } = 24;
 
 		private uint UsedMaxItemCount => MaxItemCount > 0 ? MaxItemCount : uint.MaxValue;
 
@@ -392,20 +392,28 @@ private ListedItem GetListedItemAsync(string itemPath, WIN32_FIND_DATA findData)
 					};
 				}
 			}
+
 			if (listedItem is not null && MaxItemCount > 0) // Only load icon for searchbox suggestions
 			{
-				_ = FileThumbnailHelper.LoadIconFromPathAsync(listedItem.ItemPath, ThumbnailSize, ThumbnailMode.ListView, ThumbnailOptions.ResizeThumbnail, isFolder)
+				_ = FileThumbnailHelper.GetIconAsync(
+					listedItem.ItemPath,
+					Constants.ShellIconSizes.Small,
+					isFolder,
+					IconOptions.ReturnIconOnly | IconOptions.UseCurrentScale)
 					.ContinueWith((t) =>
 					{
 						if (t.IsCompletedSuccessfully && t.Result is not null)
 						{
 							_ = FilesystemTasks.Wrap(() => MainWindow.Instance.DispatcherQueue.EnqueueOrInvokeAsync(async () =>
 							{
-								listedItem.FileImage = await t.Result.ToBitmapAsync();
+								var bitmapImage = await t.Result.ToBitmapAsync();
+								if (bitmapImage is not null)
+									listedItem.FileImage = bitmapImage;
 							}, Microsoft.UI.Dispatching.DispatcherQueuePriority.Low));
 						}
 					});
 			}
+
 			return listedItem;
 		}
 

src/Files.App/Views/Layouts/BaseLayoutPage.cs

@@ -482,7 +482,6 @@ protected override async void OnNavigatedTo(NavigationEventArgs e)
 					{
 						Query = navigationArguments.SearchQuery,
 						Folder = navigationArguments.SearchPathParam,
-						ThumbnailSize = InstanceViewModel!.FolderSettings.GetRoundedIconSize(),
 					};
 
 					_ = ParentShellPageInstance.ShellViewModel.SearchAsync(searchInstance);

src/Files.App/Views/Shells/BaseShellPage.cs

@@ -553,7 +553,6 @@ public async Task Refresh_Click()
 				{
 					Query = InstanceViewModel.CurrentSearchQuery ?? (string)TabBarItemParameter.NavigationParameter,
 					Folder = ShellViewModel.WorkingDirectory,
-					ThumbnailSize = InstanceViewModel.FolderSettings.GetRoundedIconSize(),
 				};
 
 				await ShellViewModel.SearchAsync(searchInstance);