History results display actual result icon for Last Opened history style

Flow.Launcher.Plugin/Result.cs

@@ -4,11 +4,13 @@
 using System.Threading.Tasks;
 using System.Windows.Controls;
 using System.Windows.Media;
+using System.Text.Json.Serialization;
 
 namespace Flow.Launcher.Plugin
 {
     /// <summary>
-    /// Describes a result of a <see cref="Query"/> executed by a plugin
+    /// Describes a result of a <see cref="Query"/> executed by a plugin.
+    /// This or its child classes is serializable.
     /// </summary>
     public class Result
     {
@@ -21,6 +23,8 @@
 
         private string _icoPath;
 
+        private string _icoPathAbsolute;
+
         private string _copyText = string.Empty;
 
         private string _badgeIcoPath;
@@ -64,15 +68,27 @@
         public string AutoCompleteText { get; set; }
 
         /// <summary>
-        /// The image to be displayed for the result.
+        /// Path or URI to the icon image for this result.
+        /// Updates <IcoPathAbsolute/> appropriately when set.
         /// </summary>
-        /// <value>Can be a local file path or a URL.</value>
-        /// <remarks>GlyphInfo is prioritized if not null</remarks>
+        /// <remarks>
+        /// Preferred usage: provide a path relative to the plugin directory (for example: "Images\icon.png").
+        /// Because <see cref="IcoPath"/> is serialized, using relative paths keeps the icon reference portable
+        /// when Flow is moved.
+        ///
+        /// Accepted formats:
+        /// - Relative file paths (resolved against <see cref="PluginDirectory"/> into <see cref="IcoPathAbsolute"/>)
+        /// - Absolute file paths (left as-is)
+        /// - HTTP/HTTPS URLs (left as-is)
+        /// - Data URIs (left as-is)
+        /// </remarks>
         public string IcoPath
         {
             get => _icoPath;
             set
             {
+                _icoPath = value;
+
                 // As a standard this property will handle prepping and converting to absolute local path for icon image processing
                 if (!string.IsNullOrEmpty(value)
                     && !string.IsNullOrEmpty(PluginDirectory)
@@ -81,15 +97,23 @@
                     && !value.StartsWith("https://", StringComparison.OrdinalIgnoreCase)
                     && !value.StartsWith("data:image", StringComparison.OrdinalIgnoreCase))
                 {
-                    _icoPath = Path.Combine(PluginDirectory, value);
+                    _icoPathAbsolute = Path.Combine(PluginDirectory, value);
                 }
                 else
                 {
-                    _icoPath = value;
+                    _icoPathAbsolute = value;
                 }
             }
         }
 
+        /// <summary>
+        /// Absolute path or URI which is used to load and display the result icon for Flow. 
+        /// This is populated by the <see cref="IcoPath"/> setter.
+        /// If a relative path was provided to <see cref="IcoPath"/>, this property will contain the resolved
+        /// absolute local path after combining with <see cref="PluginDirectory"/>.
+        /// </summary>
+        public string IcoPathAbsolute => _icoPathAbsolute;
+
         /// <summary>
         /// The image to be displayed for the badge of the result.
         /// </summary>
@@ -131,11 +155,13 @@
         /// <summary>
         /// Delegate to load an icon for this result.
         /// </summary>
+        [JsonIgnore]
         public IconDelegate Icon = null;
 
         /// <summary>
         /// Delegate to load an icon for the badge of this result.
         /// </summary>
+        [JsonIgnore]
         public IconDelegate BadgeIcon = null;
 
         /// <summary>
@@ -151,6 +177,7 @@
         /// Its result determines what happens to Flow Launcher's query form:
         /// when true, the form will be hidden; when false, it will stay in focus.
         /// </remarks>
+        [JsonIgnore]
         public Func<ActionContext, bool> Action { get; set; }
 
         /// <summary>
@@ -161,6 +188,7 @@
         /// Its result determines what happens to Flow Launcher's query form:
         /// when true, the form will be hidden; when false, it will stay in focus.
         /// </remarks>
+        [JsonIgnore]
         public Func<ActionContext, ValueTask<bool>> AsyncAction { get; set; }
 
         /// <summary>
@@ -203,11 +231,13 @@
         /// <example>
         /// As external information for ContextMenu
         /// </example>
+        [JsonIgnore]
         public object ContextData { get; set; }
 
         /// <summary>
         /// Plugin ID that generated this result
         /// </summary>
+        [JsonInclude]
         public string PluginID { get; internal set; }
 
         /// <summary>
@@ -223,6 +253,7 @@
         /// <summary>
         /// Customized Preview Panel
         /// </summary>
+        [JsonIgnore]
         public Lazy<UserControl> PreviewPanel { get; set; }
 
         /// <summary>
@@ -242,7 +273,7 @@
         public PreviewInfo Preview { get; set; } = PreviewInfo.Default;
 
         /// <summary>
         /// Determines if the user selection count should be added to the score. This can be useful when set to false to allow the result sequence order to be the same everytime instead of changing based on selection.
         /// </summary>
         public bool AddSelectedCount { get; set; } = true;
 
@@ -352,6 +383,7 @@
             /// <summary>
             /// Delegate to get the preview panel's image
             /// </summary>
+            [JsonIgnore]
             public IconDelegate PreviewDelegate { get; set; } = null;
 
             /// <summary>

Flow.Launcher/App.xaml.cs

@@ -259,6 +259,9 @@ await API.StopwatchLogInfoAsync(ClassName, "Startup cost", async () =>
 
                     await PluginManager.InitializePluginsAsync(_mainVM);
 
+                    // Refresh the history results after plugins are initialized so that we can parse the absolute icon paths
+                    _mainVM.RefreshLastOpenedHistoryResults();
+
                     // Refresh home page after plugins are initialized because users may open main window during plugin initialization
                     // And home page is created without full plugin list
                     if (_settings.ShowHomePage && _mainVM.QueryResultsSelected() && string.IsNullOrEmpty(_mainVM.QueryText))

Flow.Launcher/Helper/ResultHelper.cs

@@ -11,7 +11,7 @@ namespace Flow.Launcher.Helper;
 
 public static class ResultHelper
 {
-    public static async Task<Result?> PopulateResultsAsync(LastOpenedHistoryItem item)
+    public static async Task<Result?> PopulateResultsAsync(LastOpenedHistoryResult item)
     {
         return await PopulateResultsAsync(item.PluginID, item.Query, item.Title, item.SubTitle, item.RecordKey);
     }

Flow.Launcher/SettingPages/Views/SettingsPanePluginStore.xaml

@@ -52,7 +52,7 @@
             Grid.Column="1"
             Margin="5 24 0 0">
 
             <ikw:SimpleStackPanel
                 HorizontalAlignment="Right"
                 VerticalAlignment="Center"
                 DockPanel.Dock="Right"
@@ -333,7 +333,7 @@
                                         Margin="18 24 0 0"
                                         HorizontalAlignment="Left"
                                         RenderOptions.BitmapScalingMode="Fant"
-                                        Source="{Binding IcoPath, IsAsync=True}" />
+                                        Source="{Binding IcoPathAbsolute, IsAsync=True}" />
                                     <Border
                                         x:Name="LabelUpdate"
                                         Height="12"

Flow.Launcher/Storage/HistoryItem.cs

@@ -2,7 +2,7 @@
 
 namespace Flow.Launcher.Storage
 {
-    [Obsolete("Use LastOpenedHistoryItem instead. This class will be removed in future versions.")]
+    [Obsolete("Use LastOpenedHistoryResult instead. This class will be removed in future versions.")]
     public class HistoryItem
     {
         public string Query { get; set; }

Flow.Launcher/Storage/LastOpenedHistoryResult.cs

@@ -0,0 +1,117 @@
+using System;
+using Flow.Launcher.Plugin;
+
+namespace Flow.Launcher.Storage;
+
+/// <summary>
+/// A serializable result used to record the last opened history for reopening results.
+/// Inherits common result fields from <see cref="Result"/> and adds the original query and execution time.
+/// </summary>
+public class LastOpenedHistoryResult : Result
+{
+    /// <summary>
+    /// The query string from Query.TrimmedQuery property, it is stored as a string instead of the entire Query class <see cref="Result"/>. 
+    /// This is used so results can be reopened or re-run using the serialized query string.
+    /// </summary>
+    public string Query { get; set; } = string.Empty;
+
+    /// <summary>
+    /// The local date and time when this result was executed/opened.
+    /// </summary>
+    public DateTime ExecutedDateTime { get; set; }
+
+    /// <summary>
+    /// Initializes a new instance of <see cref="LastOpenedHistoryResult"/>.
+    /// </summary>
+    public LastOpenedHistoryResult()
+    {
+    }
+
+    /// <summary>
+    /// Creates a <see cref="LastOpenedHistoryResult"/> from an existing <see cref="Result"/>.
+    /// Copies required fields and sets up default reopening actions.
+    /// </summary>
+    /// <param name="result">The original result to create history from.</param>
+    public LastOpenedHistoryResult(Result result)
+    {
+        Title = result.Title;
+        SubTitle = result.SubTitle;
+        PluginID = result.PluginID;
+        Query = result.OriginQuery.TrimmedQuery;
+        OriginQuery = result.OriginQuery;
+        RecordKey = result.RecordKey;
+        IcoPath = result.IcoPath;
+        PluginDirectory = result.PluginDirectory;
+        Glyph = result.Glyph;
+        ExecutedDateTime = DateTime.Now;
+        // Used for Query History style reopening
+        Action = _ =>
+        {
+            App.API.BackToQueryResults();
+            App.API.ChangeQuery(result.OriginQuery.TrimmedQuery);
+            return false;
+        };
+        // Used for Last Opened History style reopening, currently need to be assigned at MainViewModel.cs
+        AsyncAction = null;
+    }
+
+    /// <summary>
+    /// Selectively creates a deep copy of the required properties for <see cref="LastOpenedHistoryResult"/>.
+    /// This copy should be independent of original and full isolated.
+    /// </summary>
+    /// <returns>A new <see cref="LastOpenedHistoryResult"/> containing the same required data.</returns>
+    public LastOpenedHistoryResult DeepCopy()
+    {
+        // queryValue and glyphValue are captured to ensure they are correctly referenced in the Action delegate.
+        var queryValue = Query;
+        var glyphValue = Glyph;
+        return new LastOpenedHistoryResult
+        {
+            Title = Title,
+            SubTitle = SubTitle,
+            PluginID = PluginID,
+            Query = Query,
+            OriginQuery = new Query { TrimmedQuery = Query },
+            RecordKey = RecordKey,
+            IcoPath = IcoPath,
+            PluginDirectory = PluginDirectory,
+            // Used for Query History style reopening
+            Action = _ =>
+            {
+                App.API.BackToQueryResults();
+                App.API.ChangeQuery(queryValue);
+                return false;
+            },
+            // Used for Last Opened History style reopening, currently need to be assigned at MainViewModel.cs
+            AsyncAction = null,
+            Glyph = glyphValue != null 
+                        ? new GlyphInfo(glyphValue.FontFamily, glyphValue.Glyph)
+                        : null,
+            ExecutedDateTime = ExecutedDateTime
+            // Note: Other properties are left as default — copy if needed.
+        };
+    }
+
+    /// <summary>
+    /// Determines whether the specified <see cref="Result"/> is equivalent to this history result.
+    /// Comparison uses <see cref="Result.RecordKey"/> when available; otherwise falls back to title/subtitle/plugin id and query.
+    /// </summary>
+    /// <param name="r">The result to compare to.</param>
+    /// <returns><c>true</c> if the results are considered equal; otherwise <c>false</c>.</returns>
+    public bool Equals(Result r)
+    {
+        if (string.IsNullOrEmpty(RecordKey) || string.IsNullOrEmpty(r.RecordKey))
+        {
+            return Title == r.Title
+                && SubTitle == r.SubTitle
+                && PluginID == r.PluginID
+                && Query == r.OriginQuery.TrimmedQuery;
+        }
+        else
+        {
+            return RecordKey == r.RecordKey
+                && PluginID == r.PluginID
+                && Query == r.OriginQuery.TrimmedQuery;
+        }
+    }
+}