New API for Record Key of Results & Fix Result Clone Issue

Flow.Launcher.Plugin/Result.cs

@@ -185,6 +185,16 @@ public Result Clone()
                 TitleHighlightData = TitleHighlightData,
                 OriginQuery = OriginQuery,
                 PluginDirectory = PluginDirectory,
+                ContextData = ContextData,
+                PluginID = PluginID,
+                TitleToolTip = TitleToolTip,
+                SubTitleToolTip = SubTitleToolTip,
+                PreviewPanel = PreviewPanel,
+                ProgressBar = ProgressBar,
+                ProgressBarColor = ProgressBarColor,
+                Preview = Preview,
+                AddSelectedCount = AddSelectedCount,
+                RecordKey = RecordKey
             };
         }
 
@@ -252,6 +262,13 @@ public ValueTask<bool> ExecuteAsync(ActionContext context)
         /// </summary>
         public const int MaxScore = int.MaxValue;
 
+        /// <summary>
+        /// The key to identify the record. This is used when FL checks whether the result is the topmost record. Or FL calculates the hashcode of the result for user selected records.
+        /// This can be useful when your plugin will change the Title or SubTitle of the result dynamically.
+        /// If the plugin does not specific this, FL just uses Title and SubTitle to identify this result.
+        /// </summary>
+        public string RecordKey { get; set; } = string.Empty;
+
         /// <summary>
         /// Info of the preview section of a <see cref="Result"/>
         /// </summary>

Flow.Launcher/Storage/TopMostRecord.cs

@@ -33,7 +33,8 @@ internal void AddOrUpdate(Result result)
             {
                 PluginID = result.PluginID,
                 Title = result.Title,
-                SubTitle = result.SubTitle
+                SubTitle = result.SubTitle,
+                RecordKey = result.RecordKey
             };
             records.AddOrUpdate(result.OriginQuery.RawQuery, record, (key, oldValue) => record);
         }
@@ -49,12 +50,21 @@ public class Record
         public string Title { get; set; }
         public string SubTitle { get; set; }
         public string PluginID { get; set; }
+        public string RecordKey { get; set; }
 
         public bool Equals(Result r)
         {
-            return Title == r.Title
-                && SubTitle == r.SubTitle
-                && PluginID == r.PluginID;
+            if (string.IsNullOrEmpty(RecordKey) || string.IsNullOrEmpty(r.RecordKey))
+            {
+                return Title == r.Title
+                    && SubTitle == r.SubTitle
+                    && PluginID == r.PluginID;
+            }
+            else
+            {
+                return RecordKey == r.RecordKey
+                    && PluginID == r.PluginID;
+            }
         }
     }
 }

Flow.Launcher/Storage/UserSelectedRecord.cs

@@ -15,7 +15,6 @@ public class UserSelectedRecord
         [JsonInclude, JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
         public Dictionary<string, int> records { get; private set; }
 
-
         public UserSelectedRecord()
         {
             recordsWithQuery = new Dictionary<int, int>();
@@ -45,8 +44,15 @@ private static int GenerateStaticHashCode(string s, int start = HASH_INITIAL)
 
         private static int GenerateResultHashCode(Result result)
         {
-            int hashcode = GenerateStaticHashCode(result.Title);
-            return GenerateStaticHashCode(result.SubTitle, hashcode);
+            if (string.IsNullOrEmpty(result.RecordKey))
+            {
+                int hashcode = GenerateStaticHashCode(result.Title);
+                return GenerateStaticHashCode(result.SubTitle, hashcode);
+            }
+            else
+            {
+                return GenerateStaticHashCode(result.RecordKey);
+            }
         }
 
         private static int GenerateQueryAndResultHashCode(Query query, Result result)
@@ -58,8 +64,16 @@ private static int GenerateQueryAndResultHashCode(Query query, Result result)
 
             int hashcode = GenerateStaticHashCode(query.ActionKeyword);
             hashcode = GenerateStaticHashCode(query.Search, hashcode);
-            hashcode = GenerateStaticHashCode(result.Title, hashcode);
-            hashcode = GenerateStaticHashCode(result.SubTitle, hashcode);
+
+            if (string.IsNullOrEmpty(result.RecordKey))
+            {
+                hashcode = GenerateStaticHashCode(result.Title, hashcode);
+                hashcode = GenerateStaticHashCode(result.SubTitle, hashcode);
+            }
+            else
+            {
+                hashcode = GenerateStaticHashCode(result.RecordKey, hashcode);
+            }
 
             return hashcode;
         }