Add preserve last action keyword options

Author: Yusyuriv

Flow.Launcher.Infrastructure/UserSettings/Settings.cs

@@ -62,7 +62,7 @@ public string Theme
         public double ItemHeightSize { get; set; } = 58;
         public double QueryBoxFontSize { get; set; } = 20;
         public double ResultItemFontSize { get; set; } = 16;
-        public double ResultSubItemFontSize { get; set; } = 13; 
+        public double ResultSubItemFontSize { get; set; } = 13;
         public string QueryBoxFont { get; set; } = FontFamily.GenericSansSerif.Name;
         public string QueryBoxFontStyle { get; set; }
         public string QueryBoxFontWeight { get; set; }
@@ -187,7 +187,7 @@ public CustomBrowserViewModel CustomBrowser
         public bool ShouldUsePinyin { get; set; } = false;
 
         public bool AlwaysPreview { get; set; } = false;
-        
+
         public bool AlwaysStartEn { get; set; } = false;
 
         private SearchPrecisionScore _querySearchPrecision = SearchPrecisionScore.Regular;
@@ -370,7 +370,9 @@ public enum LastQueryMode
     {
         Selected,
         Empty,
-        Preserved
+        Preserved,
+        ActionKeywordPreserved,
+        ActionKeywordSelected
     }
 
     public enum ColorSchemes

Flow.Launcher/Languages/en.xaml

@@ -67,6 +67,8 @@
     <system:String x:Key="LastQueryPreserved">Preserve Last Query</system:String>
     <system:String x:Key="LastQuerySelected">Select last Query</system:String>
     <system:String x:Key="LastQueryEmpty">Empty last Query</system:String>
+    <system:String x:Key="LastQueryActionKeywordPreserved">Preserve Last Action Keyword</system:String>
+    <system:String x:Key="LastQueryActionKeywordSelected">Select Last Action Keyword</system:String>
     <system:String x:Key="KeepMaxResults">Fixed Window Height</system:String>
     <system:String x:Key="KeepMaxResultsToolTip">The window height is not adjustable by dragging.</system:String>
     <system:String x:Key="maxShowResults">Maximum results shown</system:String>

Flow.Launcher/ViewModel/MainViewModel.cs

@@ -771,7 +771,7 @@ public string VerifyOrSetDefaultHotkey(string hotkey, string defaultHotkey)
         public string Image => Constant.QueryTextBoxIconImagePath;
 
         public bool StartWithEnglishMode => Settings.AlwaysStartEn;
-        
+
         #endregion
 
         #region Preview
@@ -833,7 +833,7 @@ when CanExternalPreviewSelectedResult(out var path):
         }
 
         private void HidePreview()
-        {            
+        {
             if (PluginManager.UseExternalPreview())
                 CloseExternalPreview();
 
@@ -912,7 +912,7 @@ when PluginManager.AllowAlwaysPreview() && CanExternalPreviewSelectedResult(out
                     break;
             }
         }
-        
+
         private void UpdatePreview()
         {
             switch (PluginManager.UseExternalPreview())
@@ -1401,6 +1401,16 @@ public async void Hide()
                         await Task.Delay(100);
                     LastQuerySelected = false;
                     break;
+                case LastQueryMode.ActionKeywordPreserved or LastQueryMode.ActionKeywordSelected:
+                    var newQuery = _lastQuery.ActionKeyword;
+                    if (!string.IsNullOrEmpty(newQuery))
+                        newQuery += " ";
+                    ChangeQueryText(newQuery);
+                    if (Settings.UseAnimation)
+                        await Task.Delay(100);
+                    if (Settings.LastQueryMode == LastQueryMode.ActionKeywordSelected)
+                        LastQuerySelected = false;
+                    break;
                 default:
                     throw new ArgumentException($"wrong LastQueryMode: <{Settings.LastQueryMode}>");
             }