Add preview info for history results

Author: Jack251970

Flow.Launcher.Infrastructure/Constant.cs

@@ -32,6 +32,7 @@ public static class Constant
         public static readonly string MissingImgIcon = Path.Combine(ImagesDirectory, "app_missing_img.png");
         public static readonly string LoadingImgIcon = Path.Combine(ImagesDirectory, "loading.png");
         public static readonly string ImageIcon = Path.Combine(ImagesDirectory, "image.png");
+        public static readonly string HistoryIcon = Path.Combine(ImagesDirectory, "history.png");
 
         public static string PythonPath;
         public static string NodePath;

Flow.Launcher/ViewModel/MainViewModel.cs

@@ -1075,6 +1075,11 @@ private void QueryHistory()
                     Title = string.Format(title, h.Query),
                     SubTitle = string.Format(time, h.ExecutedDateTime),
                     IcoPath = "Images\\history.png",
+                    Preview = new Result.PreviewInfo
+                    {
+                        PreviewImagePath = Constant.HistoryIcon,
+                        Description = string.Format(time, h.ExecutedDateTime)
+                    },
                     OriginQuery = new Query { RawQuery = h.Query },
                     Action = _ =>
                     {