Use localized name for shell link programs

Author: VictoriousRaptor

Plugins/Flow.Launcher.Plugin.Program/Programs/ShellLocalization.cs

@@ -0,0 +1,92 @@
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Text;
+
+
+namespace Flow.Launcher.Plugin.Program.Programs
+{
+    // From PT Run
+    /// <summary>
+    /// Class to get localized name of shell items like 'My computer'. The localization is based on the 'windows display language'.
+    /// Reused code from https://stackoverflow.com/questions/41423491/how-to-get-localized-name-of-known-folder for the method <see cref="GetLocalizedName"/>
+    /// </summary>
+    public static class ShellLocalization
+    {
+        internal const uint DONTRESOLVEDLLREFERENCES = 0x00000001;
+        internal const uint LOADLIBRARYASDATAFILE = 0x00000002;
+
+        [DllImport("shell32.dll", CallingConvention = CallingConvention.Winapi, CharSet = CharSet.Unicode)]
+        internal static extern int SHGetLocalizedName(string pszPath, StringBuilder pszResModule, ref int cch, out int pidsRes);
+
+        [DllImport("user32.dll", EntryPoint = "LoadStringW", CallingConvention = CallingConvention.Winapi, CharSet = CharSet.Unicode)]
+        internal static extern int LoadString(IntPtr hModule, int resourceID, StringBuilder resourceValue, int len);
+
+        [DllImport("kernel32.dll", CharSet = CharSet.Unicode, ExactSpelling = true, EntryPoint = "LoadLibraryExW")]
+        internal static extern IntPtr LoadLibraryEx(string lpFileName, IntPtr hFile, uint dwFlags);
+
+        [DllImport("kernel32.dll", ExactSpelling = true)]
+        internal static extern int FreeLibrary(IntPtr hModule);
+
+        [DllImport("kernel32.dll", EntryPoint = "ExpandEnvironmentStringsW", CharSet = CharSet.Unicode, ExactSpelling = true)]
+        internal static extern uint ExpandEnvironmentStrings(string lpSrc, StringBuilder lpDst, int nSize);
+
+        /// <summary>
+        /// Returns the localized name of a shell item.
+        /// </summary>
+        /// <param name="path">Path to the shell item (e. g. shortcut 'File Explorer.lnk').</param>
+        /// <returns>The localized name as string or <see cref="string.Empty"/>.</returns>
+        public static string GetLocalizedName(string path)
+        {
+            StringBuilder resourcePath = new StringBuilder(1024);
+            StringBuilder localizedName = new StringBuilder(1024);
+            int len, id;
+            len = resourcePath.Capacity;
+
+            // If there is no resource to localize a file name the method returns a non zero value.
+            if (SHGetLocalizedName(path, resourcePath, ref len, out id) == 0)
+            {
+                _ = ExpandEnvironmentStrings(resourcePath.ToString(), resourcePath, resourcePath.Capacity);
+                IntPtr hMod = LoadLibraryEx(resourcePath.ToString(), IntPtr.Zero, DONTRESOLVEDLLREFERENCES | LOADLIBRARYASDATAFILE);
+                if (hMod != IntPtr.Zero)
+                {
+                    if (LoadString(hMod, id, localizedName, localizedName.Capacity) != 0)
+                    {
+                        string lString = localizedName.ToString();
+                        _ = FreeLibrary(hMod);
+                        return lString;
+                    }
+
+                    _ = FreeLibrary(hMod);
+                }
+            }
+
+            return string.Empty;
+        }
+
+        /// <summary>
+        /// This method returns the localized path to a shell item (folder or file)
+        /// </summary>
+        /// <param name="path">The path to localize</param>
+        /// <returns>The localized path or the original path if localized version is not available</returns>
+        public static string GetLocalizedPath(string path)
+        {
+            path = Environment.ExpandEnvironmentVariables(path);
+            string ext = Path.GetExtension(path);
+            var pathParts = path.Split("\\");
+            string[] locPath = new string[pathParts.Length];
+
+            for (int i = 0; i < pathParts.Length; i++)
+            {
+                int iElements = i + 1;
+                string lName = GetLocalizedName(string.Join("\\", pathParts[..iElements]));
+                locPath[i] = !string.IsNullOrEmpty(lName) ? lName : pathParts[i];
+            }
+
+            string newPath = string.Join("\\", locPath);
+            newPath = !newPath.EndsWith(ext, StringComparison.InvariantCultureIgnoreCase) ? newPath + ext : newPath;
+
+            return newPath;
+        }
+    }
+}

Plugins/Flow.Launcher.Plugin.Program/Programs/Win32.cs

@@ -44,6 +44,9 @@ public class Win32 : IProgram, IEquatable<Win32>
         public bool Enabled { get; set; }
         public string Location => ParentDirectory;
 
+        // Localized name based on windows display language
+        public string LocalizedName { get; set; } = string.Empty;
+
         private const string ShortcutExtension = "lnk";
         private const string UrlExtension = "url";
         private const string ExeExtension = "exe";
@@ -69,27 +72,30 @@ public Result Result(string query, IPublicAPI api)
             string title;
             MatchResult matchResult;
 
+            // Name of the result
+            string resultName = string.IsNullOrEmpty(LocalizedName) ? Name : LocalizedName;
+
             // We suppose Name won't be null
-            if (!Main._settings.EnableDescription || Description == null || Name.StartsWith(Description))
+            if (!Main._settings.EnableDescription || Description == null || resultName.StartsWith(Description))
             {
-                title = Name;
+                title = resultName;
                 matchResult = StringMatcher.FuzzySearch(query, title);
             }
-            else if (Description.StartsWith(Name))
+            else if (Description.StartsWith(resultName))
             {
                 title = Description;
                 matchResult = StringMatcher.FuzzySearch(query, Description);
             }
             else
             {
-                title = $"{Name}: {Description}";
-                var nameMatch = StringMatcher.FuzzySearch(query, Name);
+                title = $"{resultName}: {Description}";
+                var nameMatch = StringMatcher.FuzzySearch(query, resultName);
                 var desciptionMatch = StringMatcher.FuzzySearch(query, Description);
                 if (desciptionMatch.Score > nameMatch.Score)
                 {
                     for (int i = 0; i < desciptionMatch.MatchData.Count; i++)
                     {
-                        desciptionMatch.MatchData[i] += Name.Length + 2; // 2 is ": "
+                        desciptionMatch.MatchData[i] += resultName.Length + 2; // 2 is ": "
                     }
                     matchResult = desciptionMatch;
                 }
@@ -297,6 +303,8 @@ private static Win32 LnkProgram(string path)
                     }
                 }
 
+                program.LocalizedName = ShellLocalization.GetLocalizedName(path);
+
                 return program;
             }
             catch (COMException e)