Program plugin: add option to hide uninstallers from results

Plugins/Flow.Launcher.Plugin.Program/Languages/en.xaml

@@ -32,6 +32,8 @@
     <system:String x:Key="flowlauncher_plugin_program_index_PATH_tooltip">When enabled, Flow will load programs from the PATH environment variable</system:String>
     <system:String x:Key="flowlauncher_plugin_program_enable_hidelnkpath">Hide app path</system:String>
     <system:String x:Key="flowlauncher_plugin_program_enable_hidelnkpath_tooltip">For executable files such as UWP or lnk, hide the file path from being visible</system:String>
+    <system:String x:Key="flowlauncher_plugin_program_enable_hideuninstallers">Hide uninstallers</system:String>
+    <system:String x:Key="flowlauncher_plugin_program_enable_hideuninstallers_tooltip">Hides programs with common uninstaller names, such as unins000.exe</system:String>
     <system:String x:Key="flowlauncher_plugin_program_enable_description">Search in Program Description</system:String>
     <system:String x:Key="flowlauncher_plugin_program_enable_description_tooltip">Flow will search program's description</system:String>
     <system:String x:Key="flowlauncher_plugin_program_suffixes_header">Suffixes</system:String>
@@ -92,4 +94,4 @@
     <system:String x:Key="flowlauncher_plugin_program_run_as_administrator_not_supported_message">This app is not intended to be run as administrator</system:String>
     <system:String x:Key="flowlauncher_plugin_program_run_failed">Unable to run {0}</system:String>
 
-</ResourceDictionary>
+</ResourceDictionary>

Plugins/Flow.Launcher.Plugin.Program/Main.cs

@@ -11,6 +11,7 @@
 using Flow.Launcher.Plugin.Program.Views;
 using Flow.Launcher.Plugin.Program.Views.Models;
 using Microsoft.Extensions.Caching.Memory;
+using Path = System.IO.Path;
 using Stopwatch = Flow.Launcher.Infrastructure.Stopwatch;
 
 namespace Flow.Launcher.Plugin.Program
@@ -33,6 +34,17 @@ public class Main : ISettingProvider, IAsyncPlugin, IPluginI18n, IContextMenu, I
         private static readonly MemoryCacheOptions cacheOptions = new() { SizeLimit = 1560 };
         private static MemoryCache cache = new(cacheOptions);
 
+        private static readonly string[] commonUninstallerNames =
+        {
+            "uninst.exe",
+            "unins000.exe",
+            "uninst000.exe",
+            "uninstall.exe"
+        };
+        // For cases when the uninstaller is named like "Uninstall Program Name.exe"
+        private const string CommonUninstallerPrefix = "uninstall";
+        private const string CommonUninstallerSuffix = ".exe";
+
         static Main()
         {
         }
@@ -52,6 +64,7 @@ public async Task<List<Result>> QueryAsync(Query query, CancellationToken token)
                         .Concat(_uwps)
                         .AsParallel()
                         .WithCancellation(token)
+                        .Where(HideUninstallersFilter)
                         .Where(p => p.Enabled)
                         .Select(p => p.Result(query.Search, Context.API))
                         .Where(r => r?.Score > 0)
@@ -68,6 +81,16 @@ public async Task<List<Result>> QueryAsync(Query query, CancellationToken token)
             return result;
         }
 
+        private bool HideUninstallersFilter(IProgram program)
+        {
+            if (!_settings.HideUninstallers) return true;
+            if (program is not Win32 win32) return true;
+            var fileName = Path.GetFileName(win32.ExecutablePath);
+            return !commonUninstallerNames.Contains(fileName, StringComparer.OrdinalIgnoreCase) &&
+                   !(fileName.StartsWith(CommonUninstallerPrefix, StringComparison.OrdinalIgnoreCase) &&
+                     fileName.EndsWith(CommonUninstallerSuffix, StringComparison.OrdinalIgnoreCase));
+        }
+
         public async Task InitAsync(PluginInitContext context)
         {
             Context = context;

Plugins/Flow.Launcher.Plugin.Program/Settings.cs

@@ -102,7 +102,7 @@ private void RemoveRedundantSuffixes()
             // CustomSuffixes no longer contains custom suffixes
             // users has tweaked the settings
             // or this function has been executed once
-            if (UseCustomSuffixes == true || ProgramSuffixes == null) 
+            if (UseCustomSuffixes == true || ProgramSuffixes == null)
                 return;
             var suffixes = ProgramSuffixes.ToList();
             foreach(var item in BuiltinSuffixesStatus)
@@ -117,6 +117,7 @@ private void RemoveRedundantSuffixes()
         public bool EnableStartMenuSource { get; set; } = true;
         public bool EnableDescription { get; set; } = false;
         public bool HideAppsPath { get; set; } = true;
+        public bool HideUninstallers { get; set; } = false;
         public bool EnableRegistrySource { get; set; } = true;
         public bool EnablePathSource { get; set; } = false;
         public bool EnableUWP { get; set; } = true;

Plugins/Flow.Launcher.Plugin.Program/Views/ProgramSetting.xaml

@@ -85,6 +85,11 @@
                         Content="{DynamicResource flowlauncher_plugin_program_enable_hidelnkpath}"
                         IsChecked="{Binding HideAppsPath}"
                         ToolTip="{DynamicResource flowlauncher_plugin_program_enable_hidelnkpath_tooltip}" />
+                    <CheckBox
+                        Margin="12 0 12 0"
+                        Content="{DynamicResource flowlauncher_plugin_program_enable_hideuninstallers}"
+                        IsChecked="{Binding HideUninstallers}"
+                        ToolTip="{DynamicResource flowlauncher_plugin_program_enable_hideuninstallers_tooltip}" />
                     <CheckBox
                         Name="DescriptionEnabled"
                         Margin="12,0,12,0"

Plugins/Flow.Launcher.Plugin.Program/Views/ProgramSetting.xaml.cs

@@ -24,7 +24,7 @@ public partial class ProgramSetting : UserControl
         private ListSortDirection _lastDirection;
 
         // We do not save all program sources to settings, so using
-        // this as temporary holder for displaying all loaded programs sources. 
+        // this as temporary holder for displaying all loaded programs sources.
         internal static List<ProgramSource> ProgramSettingDisplayList { get; set; }
 
         public bool EnableDescription
@@ -47,6 +47,16 @@ public bool HideAppsPath
             }
         }
 
+        public bool HideUninstallers
+        {
+            get => _settings.HideUninstallers;
+            set
+            {
+                Main.ResetCache();
+                _settings.HideUninstallers = value;
+            }
+        }
+
         public bool EnableRegistrySource
         {
             get => _settings.EnableRegistrySource;