Support .url Internet Shortcut File Icons

Flow.Launcher.Core/packages.lock.json

@@ -83,6 +83,11 @@
         "resolved": "1.0.0",
         "contentHash": "nwbZAYd+DblXAIzlnwDSnl0CiCm8jWLfHSYnoN4wYhtIav6AegB3+T/vKzLbU2IZlPB8Bvl8U3NXpx3eaz+N5w=="
       },
+      "ini-parser": {
+        "type": "Transitive",
+        "resolved": "2.5.2",
+        "contentHash": "hp3gKmC/14+6eKLgv7Jd1Z7OV86lO+tNfOXr/stQbwmRhdQuXVSvrRAuAe7G5+lwhkov0XkqZ8/bn1PYWMx6eg=="
+      },
       "InputSimulator": {
         "type": "Transitive",
         "resolved": "1.0.4",
@@ -169,7 +174,7 @@
         "resolved": "0.9.6.1",
         "contentHash": "yMsurNaOxxKIjyW9pEB+tRrR1S3DFnN1+iBgKvYvXG8kW0Y6yknJeMAe/tl3+P78/2C6304TgF7aVqpqXgEQ9Q=="
       },
       "Nerdbank.Streams": {
         "type": "Transitive",
         "resolved": "2.12.87",
         "contentHash": "oDKOeKZ865I5X8qmU3IXMyrAnssYEiYWTobPGdrqubN3RtTzEHIv+D6fwhdcfrdhPJzHjCkK/ORztR/IsnmA6g==",
@@ -179,7 +184,7 @@
           "System.IO.Pipelines": "8.0.0"
         }
       },
       "Newtonsoft.Json": {
         "type": "Transitive",
         "resolved": "13.0.3",
         "contentHash": "HrC5BXdl00IP9zeV+0Z848QWPAoCr9P3bDEZguI+gkLcBKAOxix/tLEAAHC+UvDNPv4a2d18lOReHMOagPa+zQ=="
@@ -189,12 +194,12 @@
         "resolved": "3.0.0",
         "contentHash": "IEghs0QqWsQYH0uUmvIl0Ye6RaebWRh38eB6ToOkDnQucTYRGFOgtig0gSxlwCszTilYFz3n1ZuY762x+kDR3A=="
       },
       "NHotkey.Wpf": {
         "type": "Transitive",
         "resolved": "3.0.0",
         "contentHash": "BIUKlhTG5KtFf9OQzWvkmVmktt5/FFj6AOEgag8Uf0R2YdZt5ajUzs3sVskcJcT2TztWlEHKQr1jFj3KQ0D9Nw==",
         "dependencies": {
           "NHotkey": "3.0.0"
         }
       },
       "NLog": {
@@ -202,12 +207,12 @@
         "resolved": "6.0.4",
         "contentHash": "Xr+lIk1ZlTTFXEqnxQVLxrDqZlt2tm5X+/AhJbaY2emb/dVtGDiU5QuEtj3gHtwV/SWlP/rJ922I/BPuOJXlRw=="
       },
       "NLog.OutputDebugString": {
         "type": "Transitive",
         "resolved": "6.0.4",
         "contentHash": "TOP2Ap9BbE98B/l/TglnguowOD0rXo8B/20xAgvj9shO/kf6IJ5M4QMhVxq72mrneJ/ANhHY7Jcd+xJbzuI5PA==",
         "dependencies": {
           "NLog": "6.0.4"
         }
       },
       "SharpVectors.Wpf": {
@@ -251,19 +256,20 @@
       "flow.launcher.infrastructure": {
         "type": "Project",
         "dependencies": {
           "Ben.Demystifier": "[0.4.1, )",
           "BitFaster.Caching": "[2.5.4, )",
           "CommunityToolkit.Mvvm": "[8.4.0, )",
           "Flow.Launcher.Plugin": "[5.0.0, )",
           "InputSimulator": "[1.0.4, )",
           "MemoryPack": "[1.21.4, )",
           "Microsoft.VisualStudio.Threading": "[17.14.15, )",
           "NHotkey.Wpf": "[3.0.0, )",
           "NLog": "[6.0.4, )",
           "NLog.OutputDebugString": "[6.0.4, )",
           "SharpVectors.Wpf": "[1.8.5, )",
           "System.Drawing.Common": "[7.0.0, )",
-          "ToolGood.Words.Pinyin": "[3.1.0.3, )"
+          "ToolGood.Words.Pinyin": "[3.1.0.3, )",
+          "ini-parser": "[2.5.2, )"
         }
       },
       "flow.launcher.plugin": {

Flow.Launcher.Infrastructure/Flow.Launcher.Infrastructure.csproj

@@ -60,6 +60,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="ini-parser" Version="2.5.2" />
     <PackageReference Include="InputSimulator" Version="1.0.4" />
     <PackageReference Include="MemoryPack" Version="1.21.4" />
     <PackageReference Include="Microsoft.VisualStudio.Threading" Version="17.14.15" />

Flow.Launcher.Infrastructure/Image/ThumbnailReader.cs

@@ -1,13 +1,14 @@
 using System;
-using System.Runtime.InteropServices;
 using System.IO;
+using System.Runtime.InteropServices;
 using System.Windows;
 using System.Windows.Interop;
 using System.Windows.Media.Imaging;
+using IniParser;
 using Windows.Win32;
 using Windows.Win32.Foundation;
-using Windows.Win32.UI.Shell;
 using Windows.Win32.Graphics.Gdi;
+using Windows.Win32.UI.Shell;
 
 namespace Flow.Launcher.Infrastructure.Image
 {
@@ -35,9 +36,32 @@ public class WindowsThumbnailProvider
 
         private static readonly HRESULT S_PATHNOTFOUND = (HRESULT)0x8004B205;
 
+        private const string UrlExtension = ".url";
+
+        /// <summary>
+        /// Obtains a BitmapSource thumbnail for the specified file.
+        /// </summary>
+        /// <remarks>
+        /// If the file is a Windows URL shortcut (".url"), the method attempts to resolve the shortcut's icon and use that for the thumbnail; otherwise it requests a thumbnail for the file path. The native HBITMAP used to create the BitmapSource is always released to avoid native memory leaks.
+        /// </remarks>
+        /// <param name="fileName">Path to the file (can be a regular file or a ".url" shortcut).</param>
+        /// <param name="width">Requested thumbnail width in pixels.</param>
+        /// <param name="height">Requested thumbnail height in pixels.</param>
+        /// <param name="options">Thumbnail extraction options (flags) controlling fallback and caching behavior.</param>
+        /// <returns>A BitmapSource representing the requested thumbnail.</returns>
         public static BitmapSource GetThumbnail(string fileName, int width, int height, ThumbnailOptions options)
         {
-            HBITMAP hBitmap = GetHBitmap(Path.GetFullPath(fileName), width, height, options);
+            HBITMAP hBitmap;
+
+            var extension = Path.GetExtension(fileName);
+            if (string.Equals(extension, UrlExtension, StringComparison.OrdinalIgnoreCase))
+            {
+                hBitmap = GetHBitmapForUrlFile(fileName, width, height, options);
+            }
+            else
+            {
+                hBitmap = GetHBitmap(Path.GetFullPath(fileName), width, height, options);
+            }
 
             try
             {
@@ -50,6 +74,21 @@ public static BitmapSource GetThumbnail(string fileName, int width, int height,
             }
         }
 
+        /// <summary>
+        /// Obtains a native HBITMAP for the specified file at the requested size using the Windows Shell image factory.
+        /// </summary>
+        /// <remarks>
+        /// If <paramref name="options"/> is <see cref="ThumbnailOptions.ThumbnailOnly"/> and thumbnail extraction fails
+        /// due to extraction errors or a missing path, the method falls back to requesting an icon (<see cref="ThumbnailOptions.IconOnly"/>).
+        /// The returned HBITMAP is a raw GDI handle; the caller is responsible for releasing it (e.g., via DeleteObject) to avoid native memory leaks.
+        /// </remarks>
+        /// <param name="fileName">Path to the file to thumbnail.</param>
+        /// <param name="width">Requested thumbnail width in pixels.</param>
+        /// <param name="height">Requested thumbnail height in pixels.</param>
+        /// <param name="options">Thumbnail request flags that control behavior (e.g., ThumbnailOnly, IconOnly).</param>
+        /// <returns>An HBITMAP handle containing the image. Caller must free the handle when finished.</returns>
+        /// <exception cref="COMException">If creating the shell item fails (HRESULT returned by SHCreateItemFromParsingName).</exception>
+        /// <exception cref="InvalidOperationException">If the shell item does not expose IShellItemImageFactory or if an unexpected error occurs while obtaining the image.</exception>
         private static unsafe HBITMAP GetHBitmap(string fileName, int width, int height, ThumbnailOptions options)
         {
             var retCode = PInvoke.SHCreateItemFromParsingName(
@@ -108,5 +147,44 @@ private static unsafe HBITMAP GetHBitmap(string fileName, int width, int height,
 
             return hBitmap;
         }
+
+        /// <summary>
+        /// Obtains an HBITMAP for a Windows .url shortcut by resolving its IconFile entry and delegating to GetHBitmap.
+        /// </summary>
+        /// <remarks>
+        /// The method parses the .url file as an INI, looks in the "InternetShortcut" section for the "IconFile" entry,
+        /// and requests a bitmap for that icon path. If no IconFile is present or any error occurs while reading or
+        /// resolving the icon, it falls back to requesting a thumbnail for the .url file itself.
+        /// </remarks>
+        /// <param name="fileName">Path to the .url shortcut file.</param>
+        /// <param name="width">Requested thumbnail width (pixels).</param>
+        /// <param name="height">Requested thumbnail height (pixels).</param>
+        /// <param name="options">ThumbnailOptions flags controlling extraction behavior.</param>
+        /// <returns>An HBITMAP containing the requested image; callers are responsible for freeing the native handle.</returns>
+        private static unsafe HBITMAP GetHBitmapForUrlFile(string fileName, int width, int height, ThumbnailOptions options)
+        {
+            HBITMAP hBitmap;
+
+            try
+            {
+                var parser = new FileIniDataParser();
+                var data = parser.ReadFile(fileName);
+                var urlSection = data["InternetShortcut"];
+
+                var iconPath = urlSection?["IconFile"];
+                if (!File.Exists(iconPath))
+                {
+                    // If the IconFile is missing, throw exception to fallback to the default icon
+                    throw new FileNotFoundException("Icon file not specified in Internet shortcut (.url) file.");
+                }
+                hBitmap = GetHBitmap(Path.GetFullPath(iconPath), width, height, options);
+            }
+            catch
+            {
+                hBitmap = GetHBitmap(Path.GetFullPath(fileName), width, height, options);
+            }
+
+            return hBitmap;
+        }
     }
 }

Flow.Launcher.Infrastructure/packages.lock.json

@@ -29,6 +29,12 @@
         "resolved": "6.9.3",
         "contentHash": "1CUGgFdyECDKgi5HaUBhdv6k+VG9Iy4OCforGfHyar3xQXAJypZkzymgKtWj/4SPd6nSG0Qi7NH71qHrDSZLaA=="
       },
+      "ini-parser": {
+        "type": "Direct",
+        "requested": "[2.5.2, )",
+        "resolved": "2.5.2",
+        "contentHash": "hp3gKmC/14+6eKLgv7Jd1Z7OV86lO+tNfOXr/stQbwmRhdQuXVSvrRAuAe7G5+lwhkov0XkqZ8/bn1PYWMx6eg=="
+      },
       "InputSimulator": {
         "type": "Direct",
         "requested": "[1.0.4, )",

Flow.Launcher/packages.lock.json

@@ -204,6 +204,11 @@
         "resolved": "1.11.42",
         "contentHash": "LDc1bEfF14EY2DZzak4xvzWvbpNXK3vi1u0KQbBpLUN4+cx/VrvXhgCAMSJhSU5vz0oMfW9JZIR20vj/PkDHPA=="
       },
+      "ini-parser": {
+        "type": "Transitive",
+        "resolved": "2.5.2",
+        "contentHash": "hp3gKmC/14+6eKLgv7Jd1Z7OV86lO+tNfOXr/stQbwmRhdQuXVSvrRAuAe7G5+lwhkov0XkqZ8/bn1PYWMx6eg=="
+      },
       "InputSimulator": {
         "type": "Transitive",
         "resolved": "1.0.4",
@@ -863,7 +868,8 @@
           "NLog.OutputDebugString": "[6.0.4, )",
           "SharpVectors.Wpf": "[1.8.5, )",
           "System.Drawing.Common": "[7.0.0, )",
-          "ToolGood.Words.Pinyin": "[3.1.0.3, )"
+          "ToolGood.Words.Pinyin": "[3.1.0.3, )",
+          "ini-parser": "[2.5.2, )"
         }
       },
       "flow.launcher.plugin": {