From 19001a459ee55391423d9c27335ce119b095d526 Mon Sep 17 00:00:00 2001
From: DB p <onesound@oooz.net>
Date: Thu, 8 Sep 2022 16:09:57 +0900
Subject: [PATCH 01/11] Add Drag Test Code

---
 Flow.Launcher/MainWindow.xaml    |  4 ++-
 Flow.Launcher/MainWindow.xaml.cs | 53 ++++++++++++++++++++++++++++++--
 2 files changed, 54 insertions(+), 3 deletions(-)

diff --git a/Flow.Launcher/MainWindow.xaml b/Flow.Launcher/MainWindow.xaml
index 714fcc53fa1..957e942dc38 100644
--- a/Flow.Launcher/MainWindow.xaml
+++ b/Flow.Launcher/MainWindow.xaml
@@ -264,7 +264,9 @@
                         <flowlauncher:ResultListBox
                             x:Name="ResultListBox"
                             DataContext="{Binding Results}"
-                            PreviewMouseDown="OnPreviewMouseButtonDown" />
+                            MouseMove="FileView_MouseMove"
+                            PreviewMouseLeftButtonDown="FileView_PreviewMouseLeftButtonDown"
+                            PreviewMouseLeftButtonUp="OnPreviewMouseButtonDown" />
                     </ContentControl>
                 </Border>
                 <Border Style="{DynamicResource WindowRadius}">
diff --git a/Flow.Launcher/MainWindow.xaml.cs b/Flow.Launcher/MainWindow.xaml.cs
index 2b7db38cff2..53928f2edd7 100644
--- a/Flow.Launcher/MainWindow.xaml.cs
+++ b/Flow.Launcher/MainWindow.xaml.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.ComponentModel;
 using System.Threading.Tasks;
 using System.Windows;
@@ -20,6 +20,9 @@
 using System.Windows.Media;
 using Flow.Launcher.Infrastructure.Hotkey;
 using Flow.Launcher.Plugin.SharedCommands;
+using System.Text;
+using DataObject = System.Windows.DataObject;
+using System.Diagnostics;
 
 namespace Flow.Launcher
 {
@@ -383,6 +386,52 @@ private void OnPreviewDragOver(object sender, DragEventArgs e)
             e.Handled = true;
         }
 
+        private Point start;
+
+        private void FileView_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+        {
+            this.start = e.GetPosition(null);
+        }
+
+        private void FileView_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
+        {
+            Point mpos = e.GetPosition(null);
+            Vector diff = this.start - mpos;
+
+            if (e.LeftButton == MouseButtonState.Pressed &&
+              Math.Abs(diff.X) > SystemParameters.MinimumHorizontalDragDistance &&
+              Math.Abs(diff.Y) > SystemParameters.MinimumVerticalDragDistance)
+            {
+                
+                if (this.ResultListBox.SelectedItems.Count == 0)
+                {
+                    return;
+                }
+
+                var r = (ResultListBox)sender;
+                var d = (DependencyObject)e.OriginalSource;
+                var item = ItemsControl.ContainerFromElement(r, d) as ListBoxItem;
+                var result = (ResultViewModel)item?.DataContext;
+                Console.WriteLine("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
+                Console.WriteLine("result");
+
+                // right about here you get the file urls of the selected items.
+                // should be quite easy, if not, ask.
+                //string[] files = "asdf.txt";
+
+                string path = @"D:\test.png";
+                string[] files = { path };
+                var data = new DataObject(System.Windows.DataFormats.FileDrop, files);
+                data.SetData(System.Windows.DataFormats.Text, files[0]);
+                DragDrop.DoDragDrop(this, data, System.Windows.DragDropEffects.Copy);
+                e.Handled = true;
+                // string dataFormat = System.Windows.DataFormats.FileDrop;
+                //System.Windows.DataObject dataObject = new System.Windows.DataObject(dataFormat, files);
+                //DragDrop.DoDragDrop(this.ResultListBox, dataObject, System.Windows.DragDropEffects.Copy);
+            }
+        }
+
+
         private async void OnContextMenusForSettingsClick(object sender, RoutedEventArgs e)
         {
             _viewModel.Hide();
@@ -556,4 +605,4 @@ public void InitializeColorScheme()
             }
         }
     }
-}
\ No newline at end of file
+}

From 3e128e1a9a53c77c5ec5fdd3c712b89546bec65f Mon Sep 17 00:00:00 2001
From: DB p <onesound@oooz.net>
Date: Wed, 28 Sep 2022 15:06:14 +0900
Subject: [PATCH 02/11] Changed listitem to draggable

---
 Flow.Launcher/ResultListBox.xaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Flow.Launcher/ResultListBox.xaml b/Flow.Launcher/ResultListBox.xaml
index 2c78f9babbf..d0a5247a585 100644
--- a/Flow.Launcher/ResultListBox.xaml
+++ b/Flow.Launcher/ResultListBox.xaml
@@ -120,6 +120,7 @@
                                 x:Name="Title"
                                 VerticalAlignment="Center"
                                 DockPanel.Dock="Left"
+                                IsHitTestVisible="False"
                                 Style="{DynamicResource ItemTitleStyle}"
                                 Text="{Binding Result.Title}"
                                 ToolTip="{Binding ShowTitleToolTip}">
@@ -133,6 +134,7 @@
                             <TextBlock
                                 x:Name="SubTitle"
                                 Grid.Row="1"
+                                IsHitTestVisible="False"
                                 Style="{DynamicResource ItemSubTitleStyle}"
                                 Text="{Binding Result.SubTitle}"
                                 ToolTip="{Binding ShowSubTitleToolTip}" />

From dde5a513d35b366eef9ab4c511f5d3b032b1ff69 Mon Sep 17 00:00:00 2001
From: DB p <onesound@oooz.net>
Date: Thu, 29 Sep 2022 00:02:49 +0900
Subject: [PATCH 03/11] Adjust Drag and drop code

---
 Flow.Launcher/MainWindow.xaml.cs | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/Flow.Launcher/MainWindow.xaml.cs b/Flow.Launcher/MainWindow.xaml.cs
index 53928f2edd7..a35f35a4552 100644
--- a/Flow.Launcher/MainWindow.xaml.cs
+++ b/Flow.Launcher/MainWindow.xaml.cs
@@ -23,6 +23,8 @@
 using System.Text;
 using DataObject = System.Windows.DataObject;
 using System.Diagnostics;
+using Microsoft.AspNetCore.Http;
+using System.IO;
 
 namespace Flow.Launcher
 {
@@ -412,22 +414,19 @@ private void FileView_MouseMove(object sender, System.Windows.Input.MouseEventAr
                 var d = (DependencyObject)e.OriginalSource;
                 var item = ItemsControl.ContainerFromElement(r, d) as ListBoxItem;
                 var result = (ResultViewModel)item?.DataContext;
-                Console.WriteLine("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
-                Console.WriteLine("result");
 
-                // right about here you get the file urls of the selected items.
-                // should be quite easy, if not, ask.
-                //string[] files = "asdf.txt";
 
-                string path = @"D:\test.png";
+                string copyText = string.IsNullOrEmpty(result.Result.CopyText) ? result.Result.SubTitle : result.Result.CopyText;
+                var isFile = File.Exists(copyText);
+                var isFolder = Directory.Exists(copyText);
+
+                //string path = @"D:\test.png";
+                string path = Convert.ToString(copyText);
                 string[] files = { path };
                 var data = new DataObject(System.Windows.DataFormats.FileDrop, files);
-                data.SetData(System.Windows.DataFormats.Text, files[0]);
-                DragDrop.DoDragDrop(this, data, System.Windows.DragDropEffects.Copy);
+                //data.SetData(System.Windows.DataFormats.FileDrop, files[0]);
+                DragDrop.DoDragDrop(this.ResultListBox, data, System.Windows.DragDropEffects.Copy);
                 e.Handled = true;
-                // string dataFormat = System.Windows.DataFormats.FileDrop;
-                //System.Windows.DataObject dataObject = new System.Windows.DataObject(dataFormat, files);
-                //DragDrop.DoDragDrop(this.ResultListBox, dataObject, System.Windows.DragDropEffects.Copy);
             }
         }
 

From d0c281ef359d868dbfa372f5a506b2734a8847a4 Mon Sep 17 00:00:00 2001
From: DB p <onesound@oooz.net>
Date: Thu, 29 Sep 2022 01:11:20 +0900
Subject: [PATCH 04/11] - Add "Move" - Adjust Function Name

---
 Flow.Launcher/MainWindow.xaml    |  4 ++--
 Flow.Launcher/MainWindow.xaml.cs | 36 +++++++++++++-------------------
 2 files changed, 16 insertions(+), 24 deletions(-)

diff --git a/Flow.Launcher/MainWindow.xaml b/Flow.Launcher/MainWindow.xaml
index 957e942dc38..f68934ebfdf 100644
--- a/Flow.Launcher/MainWindow.xaml
+++ b/Flow.Launcher/MainWindow.xaml
@@ -264,8 +264,8 @@
                         <flowlauncher:ResultListBox
                             x:Name="ResultListBox"
                             DataContext="{Binding Results}"
-                            MouseMove="FileView_MouseMove"
-                            PreviewMouseLeftButtonDown="FileView_PreviewMouseLeftButtonDown"
+                            MouseMove="ResultList_MouseMove"
+                            PreviewMouseLeftButtonDown="ResultList_PreviewMouseLeftButtonDown"
                             PreviewMouseLeftButtonUp="OnPreviewMouseButtonDown" />
                     </ContentControl>
                 </Border>
diff --git a/Flow.Launcher/MainWindow.xaml.cs b/Flow.Launcher/MainWindow.xaml.cs
index a35f35a4552..6e1ff94b366 100644
--- a/Flow.Launcher/MainWindow.xaml.cs
+++ b/Flow.Launcher/MainWindow.xaml.cs
@@ -390,42 +390,34 @@ private void OnPreviewDragOver(object sender, DragEventArgs e)
 
         private Point start;
 
-        private void FileView_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+        private void ResultList_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
         {
             this.start = e.GetPosition(null);
         }
 
-        private void FileView_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
+        private void ResultList_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
         {
+            if (this.ResultListBox.SelectedItems.Count == 0)
+            {
+                return;
+            }
+            
             Point mpos = e.GetPosition(null);
             Vector diff = this.start - mpos;
 
+            var r = (ResultListBox)sender;
+            var d = (DependencyObject)e.OriginalSource;
+            var item = ItemsControl.ContainerFromElement(r, d) as ListBoxItem;
+            var result = (ResultViewModel)item?.DataContext;
+
             if (e.LeftButton == MouseButtonState.Pressed &&
               Math.Abs(diff.X) > SystemParameters.MinimumHorizontalDragDistance &&
               Math.Abs(diff.Y) > SystemParameters.MinimumVerticalDragDistance)
             {
-                
-                if (this.ResultListBox.SelectedItems.Count == 0)
-                {
-                    return;
-                }
-
-                var r = (ResultListBox)sender;
-                var d = (DependencyObject)e.OriginalSource;
-                var item = ItemsControl.ContainerFromElement(r, d) as ListBoxItem;
-                var result = (ResultViewModel)item?.DataContext;
-
-
                 string copyText = string.IsNullOrEmpty(result.Result.CopyText) ? result.Result.SubTitle : result.Result.CopyText;
-                var isFile = File.Exists(copyText);
-                var isFolder = Directory.Exists(copyText);
-
-                //string path = @"D:\test.png";
-                string path = Convert.ToString(copyText);
-                string[] files = { path };
+                string[] files = { copyText };
                 var data = new DataObject(System.Windows.DataFormats.FileDrop, files);
-                //data.SetData(System.Windows.DataFormats.FileDrop, files[0]);
-                DragDrop.DoDragDrop(this.ResultListBox, data, System.Windows.DragDropEffects.Copy);
+                DragDrop.DoDragDrop(this.ResultListBox, data, System.Windows.DragDropEffects.Copy | System.Windows.DragDropEffects.Move);
                 e.Handled = true;
             }
         }

From 74999006a5506676d0111caf8b0eeb83e294a542 Mon Sep 17 00:00:00 2001
From: DB p <onesound@oooz.net>
Date: Thu, 29 Sep 2022 18:04:15 +0900
Subject: [PATCH 05/11] Change the default drag action to copy (shift+drag to
 move)

---
 Flow.Launcher/MainWindow.xaml.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Flow.Launcher/MainWindow.xaml.cs b/Flow.Launcher/MainWindow.xaml.cs
index 6e1ff94b366..10fadd59195 100644
--- a/Flow.Launcher/MainWindow.xaml.cs
+++ b/Flow.Launcher/MainWindow.xaml.cs
@@ -417,7 +417,7 @@ private void ResultList_MouseMove(object sender, System.Windows.Input.MouseEvent
                 string copyText = string.IsNullOrEmpty(result.Result.CopyText) ? result.Result.SubTitle : result.Result.CopyText;
                 string[] files = { copyText };
                 var data = new DataObject(System.Windows.DataFormats.FileDrop, files);
-                DragDrop.DoDragDrop(this.ResultListBox, data, System.Windows.DragDropEffects.Copy | System.Windows.DragDropEffects.Move);
+                DragDrop.DoDragDrop(this.ResultListBox, data, System.Windows.DragDropEffects.Move | System.Windows.DragDropEffects.Copy);
                 e.Handled = true;
             }
         }

From 4a15263a1ee974576c8c9ccafff3d837770cb85a Mon Sep 17 00:00:00 2001
From: DB p <onesound@oooz.net>
Date: Sat, 22 Oct 2022 11:25:26 +0900
Subject: [PATCH 06/11] Changed the Icon 'IsHitTestVisible'

---
 Flow.Launcher/ResultListBox.xaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Flow.Launcher/ResultListBox.xaml b/Flow.Launcher/ResultListBox.xaml
index 3737a7ade01..869045526e6 100644
--- a/Flow.Launcher/ResultListBox.xaml
+++ b/Flow.Launcher/ResultListBox.xaml
@@ -84,7 +84,7 @@
                                 x:Name="ImageIcon"
                                 Width="{Binding IconXY}"
                                 Height="{Binding IconXY}"
-                                Margin="0,0,0,0"
+                                Margin="0,0,0,0" IsHitTestVisible="False"
                                 HorizontalAlignment="Center"
                                 Source="{Binding Image, TargetNullValue={x:Null}}"
                                 Stretch="Uniform"

From 234156b15371e4b70998ce5027753e58eb316e2b Mon Sep 17 00:00:00 2001
From: Hongtao Zhang <hongtao_zhang@outlook.com>
Date: Sun, 23 Oct 2022 18:04:25 -0400
Subject: [PATCH 07/11] Move code to ResultListBox to avoid extra children
 retrieval. Adjust the CopyText property to automatically return Subtitle is
 not specified

---
 Flow.Launcher.Plugin/Result.cs           |  7 +++-
 Flow.Launcher/MainWindow.xaml            |  2 -
 Flow.Launcher/MainWindow.xaml.cs         | 35 ----------------
 Flow.Launcher/ResultListBox.xaml         |  7 +++-
 Flow.Launcher/ResultListBox.xaml.cs      | 51 ++++++++++++++++++++++--
 Flow.Launcher/ViewModel/MainViewModel.cs | 18 ++++-----
 6 files changed, 66 insertions(+), 54 deletions(-)

diff --git a/Flow.Launcher.Plugin/Result.cs b/Flow.Launcher.Plugin/Result.cs
index 7633e34a70c..a1d3b83abf2 100644
--- a/Flow.Launcher.Plugin/Result.cs
+++ b/Flow.Launcher.Plugin/Result.cs
@@ -37,7 +37,11 @@ public class Result
         /// user's clipboard when Ctrl + C is pressed on a result. If the text is a file/directory path
         /// flow will copy the actual file/folder instead of just the path text.
         /// </summary>
-        public string CopyText { get; set; } = string.Empty;
+        public string CopyText
+        {
+            get => string.IsNullOrEmpty(_copyText) ? SubTitle : _copyText;
+            set => _copyText = value;
+        }
 
         /// <summary>
         /// This holds the text which can be provided by plugin to help Flow autocomplete text
@@ -81,6 +85,7 @@ public string IcoPath
         /// Delegate to Get Image Source
         /// </summary>
         public IconDelegate Icon;
+        private string _copyText = string.Empty;
 
         /// <summary>
         /// Information for Glyph Icon (Prioritized than IcoPath/Icon if user enable Glyph Icons)
diff --git a/Flow.Launcher/MainWindow.xaml b/Flow.Launcher/MainWindow.xaml
index 006d394fe75..3e89ae5e035 100644
--- a/Flow.Launcher/MainWindow.xaml
+++ b/Flow.Launcher/MainWindow.xaml
@@ -288,8 +288,6 @@
                         <flowlauncher:ResultListBox
                             x:Name="ResultListBox"
                             DataContext="{Binding Results}"
-                            MouseMove="ResultList_MouseMove"
-                            PreviewMouseLeftButtonDown="ResultList_PreviewMouseLeftButtonDown"
                             PreviewMouseLeftButtonUp="OnPreviewMouseButtonDown" />
                     </ContentControl>
                 </Border>
diff --git a/Flow.Launcher/MainWindow.xaml.cs b/Flow.Launcher/MainWindow.xaml.cs
index ac0393855b7..72fd97b3b7d 100644
--- a/Flow.Launcher/MainWindow.xaml.cs
+++ b/Flow.Launcher/MainWindow.xaml.cs
@@ -374,41 +374,6 @@ private void OnPreviewDragOver(object sender, DragEventArgs e)
             e.Handled = true;
         }
 
-        private Point start;
-
-        private void ResultList_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
-        {
-            this.start = e.GetPosition(null);
-        }
-
-        private void ResultList_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
-        {
-            if (this.ResultListBox.SelectedItems.Count == 0)
-            {
-                return;
-            }
-            
-            Point mpos = e.GetPosition(null);
-            Vector diff = this.start - mpos;
-
-            var r = (ResultListBox)sender;
-            var d = (DependencyObject)e.OriginalSource;
-            var item = ItemsControl.ContainerFromElement(r, d) as ListBoxItem;
-            var result = (ResultViewModel)item?.DataContext;
-
-            if (e.LeftButton == MouseButtonState.Pressed &&
-              Math.Abs(diff.X) > SystemParameters.MinimumHorizontalDragDistance &&
-              Math.Abs(diff.Y) > SystemParameters.MinimumVerticalDragDistance)
-            {
-                string copyText = string.IsNullOrEmpty(result.Result.CopyText) ? result.Result.SubTitle : result.Result.CopyText;
-                string[] files = { copyText };
-                var data = new DataObject(System.Windows.DataFormats.FileDrop, files);
-                DragDrop.DoDragDrop(this.ResultListBox, data, System.Windows.DragDropEffects.Move | System.Windows.DragDropEffects.Copy);
-                e.Handled = true;
-            }
-        }
-
-
         private async void OnContextMenusForSettingsClick(object sender, RoutedEventArgs e)
         {
             _viewModel.Hide();
diff --git a/Flow.Launcher/ResultListBox.xaml b/Flow.Launcher/ResultListBox.xaml
index 869045526e6..1ece390d120 100644
--- a/Flow.Launcher/ResultListBox.xaml
+++ b/Flow.Launcher/ResultListBox.xaml
@@ -25,12 +25,15 @@
     VirtualizingStackPanel.IsVirtualizing="True"
     VirtualizingStackPanel.VirtualizationMode="Standard"
     Visibility="{Binding Visbility}"
-    mc:Ignorable="d">
+    mc:Ignorable="d"
+    PreviewMouseMove="ResultList_MouseMove"
+    PreviewMouseLeftButtonDown="ResultList_PreviewMouseLeftButtonDown">
     <!--  IsSynchronizedWithCurrentItem: http://stackoverflow.com/a/7833798/2833083  -->
 
     <ListBox.ItemTemplate>
         <DataTemplate>
-            <Button HorizontalAlignment="Stretch">
+            <Button
+                HorizontalAlignment="Stretch">
                 <Button.Template>
                     <ControlTemplate>
                         <ContentPresenter Content="{TemplateBinding Button.Content}" />
diff --git a/Flow.Launcher/ResultListBox.xaml.cs b/Flow.Launcher/ResultListBox.xaml.cs
index fd980e016c1..27037241c56 100644
--- a/Flow.Launcher/ResultListBox.xaml.cs
+++ b/Flow.Launcher/ResultListBox.xaml.cs
@@ -1,6 +1,9 @@
-using System.Windows;
+using System;
+using System.IO;
+using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Input;
+using Flow.Launcher.ViewModel;
 
 namespace Flow.Launcher
 {
@@ -24,7 +27,7 @@ private void OnSelectionChanged(object sender, SelectionChangedEventArgs e)
 
         private void OnMouseEnter(object sender, MouseEventArgs e)
         {
-            lock(_lock)
+            lock (_lock)
             {
                 curItem = (ListBoxItem)sender;
                 var p = e.GetPosition((IInputElement)sender);
@@ -34,7 +37,7 @@ private void OnMouseEnter(object sender, MouseEventArgs e)
 
         private void OnMouseMove(object sender, MouseEventArgs e)
         {
-            lock(_lock)
+            lock (_lock)
             {
                 var p = e.GetPosition((IInputElement)sender);
                 if (_lastpos != p)
@@ -46,7 +49,7 @@ private void OnMouseMove(object sender, MouseEventArgs e)
 
         private void ListBox_PreviewMouseDown(object sender, MouseButtonEventArgs e)
         {
-            lock(_lock)
+            lock (_lock)
             {
                 if (curItem != null)
                 {
@@ -54,5 +57,45 @@ private void ListBox_PreviewMouseDown(object sender, MouseButtonEventArgs e)
                 }
             }
         }
+
+
+        private Point start;
+        private string file;
+
+        private void ResultList_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+        {
+            if (Mouse.DirectlyOver is not FrameworkElement { DataContext: ResultViewModel result })
+                return;
+
+            file = result.Result.CopyText;
+            start = e.GetPosition(null);
+        }
+
+        private void ResultList_MouseMove(object sender, MouseEventArgs e)
+        {
+            if (e.LeftButton != MouseButtonState.Pressed)
+            {
+                start = default;
+                file = null;
+                return;
+            }
+
+            Point mpos = e.GetPosition(null);
+            Vector diff = this.start - mpos;
+
+            if (Math.Abs(diff.X) < SystemParameters.MinimumHorizontalDragDistance
+                || Math.Abs(diff.Y) < SystemParameters.MinimumVerticalDragDistance)
+                return;
+
+            DataObject data;
+            data = File.Exists(file)
+                ? new DataObject(DataFormats.FileDrop, new[]
+                {
+                    file
+                })
+                : new DataObject(DataFormats.UnicodeText, file);
+            DragDrop.DoDragDrop((DependencyObject)sender, data, DragDropEffects.Move | DragDropEffects.Copy);
+            e.Handled = true;
+        }
     }
 }
diff --git a/Flow.Launcher/ViewModel/MainViewModel.cs b/Flow.Launcher/ViewModel/MainViewModel.cs
index 2f07f43dba9..1b1a6d73bf8 100644
--- a/Flow.Launcher/ViewModel/MainViewModel.cs
+++ b/Flow.Launcher/ViewModel/MainViewModel.cs
@@ -969,28 +969,26 @@ public void ResultCopy(string stringToCopy)
                 var result = Results.SelectedItem?.Result;
                 if (result != null)
                 {
-                    string copyText = string.IsNullOrEmpty(result.CopyText) ? result.SubTitle : result.CopyText;
+                    string copyText = result.CopyText;
                     var isFile = File.Exists(copyText);
                     var isFolder = Directory.Exists(copyText);
                     if (isFile || isFolder)
                     {
-                        var paths = new StringCollection();
-                        paths.Add(copyText);
+                        var paths = new StringCollection
+                        {
+                            copyText
+                        };
 
                         Clipboard.SetFileDropList(paths);
                         App.API.ShowMsg(
-                            App.API.GetTranslation("copy")
-                            + " "
-                            + (isFile ? App.API.GetTranslation("fileTitle") : App.API.GetTranslation("folderTitle")),
+                            $"{App.API.GetTranslation("copy")} {(isFile ? App.API.GetTranslation("fileTitle") : App.API.GetTranslation("folderTitle"))}",
                             App.API.GetTranslation("completedSuccessfully"));
                     }
                     else
                     {
-                        Clipboard.SetDataObject(copyText.ToString());
+                        Clipboard.SetDataObject(copyText);
                         App.API.ShowMsg(
-                            App.API.GetTranslation("copy")
-                            + " "
-                            + App.API.GetTranslation("textTitle"),
+                            $"{App.API.GetTranslation("copy")} {App.API.GetTranslation("textTitle")}",
                             App.API.GetTranslation("completedSuccessfully"));
                     }
                 }

From 9ca67acc5dec3ba788e14a74e4e3bdb71f2a318a Mon Sep 17 00:00:00 2001
From: Hongtao Zhang <hongtao_zhang@outlook.com>
Date: Sun, 30 Oct 2022 11:33:30 -0500
Subject: [PATCH 08/11] Change logic to not do anything if file not exist.

---
 Flow.Launcher/ResultListBox.xaml.cs | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/Flow.Launcher/ResultListBox.xaml.cs b/Flow.Launcher/ResultListBox.xaml.cs
index 27037241c56..a0ffc159ab4 100644
--- a/Flow.Launcher/ResultListBox.xaml.cs
+++ b/Flow.Launcher/ResultListBox.xaml.cs
@@ -80,20 +80,18 @@ private void ResultList_MouseMove(object sender, MouseEventArgs e)
                 return;
             }
 
-            Point mpos = e.GetPosition(null);
-            Vector diff = this.start - mpos;
+            Point mousePosition = e.GetPosition(null);
+            Vector diff = this.start - mousePosition;
 
             if (Math.Abs(diff.X) < SystemParameters.MinimumHorizontalDragDistance
-                || Math.Abs(diff.Y) < SystemParameters.MinimumVerticalDragDistance)
+                || Math.Abs(diff.Y) < SystemParameters.MinimumVerticalDragDistance
+                || !File.Exists(file))
                 return;
 
-            DataObject data;
-            data = File.Exists(file)
-                ? new DataObject(DataFormats.FileDrop, new[]
-                {
-                    file
-                })
-                : new DataObject(DataFormats.UnicodeText, file);
+            var data = new DataObject(DataFormats.FileDrop, new[]
+            {
+                file
+            });
             DragDrop.DoDragDrop((DependencyObject)sender, data, DragDropEffects.Move | DragDropEffects.Copy);
             e.Handled = true;
         }

From b47206e359cfc7beed6855f9aafd6232a2a39039 Mon Sep 17 00:00:00 2001
From: Jeremy Wu <jeremy24wu@gmail.com>
Date: Mon, 7 Nov 2022 20:34:26 +1100
Subject: [PATCH 09/11] add requery to refresh the results after drag

---
 Flow.Launcher/ResultListBox.xaml.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Flow.Launcher/ResultListBox.xaml.cs b/Flow.Launcher/ResultListBox.xaml.cs
index a0ffc159ab4..734165f7442 100644
--- a/Flow.Launcher/ResultListBox.xaml.cs
+++ b/Flow.Launcher/ResultListBox.xaml.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.IO;
 using System.Windows;
 using System.Windows.Controls;
@@ -61,6 +61,7 @@ private void ListBox_PreviewMouseDown(object sender, MouseButtonEventArgs e)
 
         private Point start;
         private string file;
+        private string query;
 
         private void ResultList_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
         {
@@ -68,6 +69,7 @@ private void ResultList_PreviewMouseLeftButtonDown(object sender, MouseButtonEve
                 return;
 
             file = result.Result.CopyText;
+            query = result.Result.OriginQuery.RawQuery;
             start = e.GetPosition(null);
         }
 
@@ -93,6 +95,7 @@ private void ResultList_MouseMove(object sender, MouseEventArgs e)
                 file
             });
             DragDrop.DoDragDrop((DependencyObject)sender, data, DragDropEffects.Move | DragDropEffects.Copy);
+            App.API.ChangeQuery(query, true);
             e.Handled = true;
         }
     }

From 9bbd01a1d73103e738ad99db7fc0f0c1ea2d1345 Mon Sep 17 00:00:00 2001
From: Jeremy Wu <jeremy24wu@gmail.com>
Date: Mon, 7 Nov 2022 21:10:05 +1100
Subject: [PATCH 10/11] add drag and drop for folders

---
 Flow.Launcher/ResultListBox.xaml.cs | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/Flow.Launcher/ResultListBox.xaml.cs b/Flow.Launcher/ResultListBox.xaml.cs
index 734165f7442..8a8ef3ab361 100644
--- a/Flow.Launcher/ResultListBox.xaml.cs
+++ b/Flow.Launcher/ResultListBox.xaml.cs
@@ -60,7 +60,7 @@ private void ListBox_PreviewMouseDown(object sender, MouseButtonEventArgs e)
 
 
         private Point start;
-        private string file;
+        private string path;
         private string query;
 
         private void ResultList_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
@@ -68,7 +68,7 @@ private void ResultList_PreviewMouseLeftButtonDown(object sender, MouseButtonEve
             if (Mouse.DirectlyOver is not FrameworkElement { DataContext: ResultViewModel result })
                 return;
 
-            file = result.Result.CopyText;
+            path = result.Result.CopyText;
             query = result.Result.OriginQuery.RawQuery;
             start = e.GetPosition(null);
         }
@@ -78,24 +78,28 @@ private void ResultList_MouseMove(object sender, MouseEventArgs e)
             if (e.LeftButton != MouseButtonState.Pressed)
             {
                 start = default;
-                file = null;
+                path = null;
                 return;
             }
 
+            if (!File.Exists(path) && !Directory.Exists(path))
+                return;
+
             Point mousePosition = e.GetPosition(null);
             Vector diff = this.start - mousePosition;
 
             if (Math.Abs(diff.X) < SystemParameters.MinimumHorizontalDragDistance
-                || Math.Abs(diff.Y) < SystemParameters.MinimumVerticalDragDistance
-                || !File.Exists(file))
+                || Math.Abs(diff.Y) < SystemParameters.MinimumVerticalDragDistance)
                 return;
 
             var data = new DataObject(DataFormats.FileDrop, new[]
             {
-                file
+                path
             });
             DragDrop.DoDragDrop((DependencyObject)sender, data, DragDropEffects.Move | DragDropEffects.Copy);
+            
             App.API.ChangeQuery(query, true);
+            
             e.Handled = true;
         }
     }

From 6efd28874f7c09e804258e26db855313f2f6db76 Mon Sep 17 00:00:00 2001
From: Jeremy Wu <jeremy24wu@gmail.com>
Date: Mon, 7 Nov 2022 21:34:22 +1100
Subject: [PATCH 11/11] add reset for query string

---
 Flow.Launcher/ResultListBox.xaml.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Flow.Launcher/ResultListBox.xaml.cs b/Flow.Launcher/ResultListBox.xaml.cs
index 8a8ef3ab361..d1415f8ab74 100644
--- a/Flow.Launcher/ResultListBox.xaml.cs
+++ b/Flow.Launcher/ResultListBox.xaml.cs
@@ -78,7 +78,8 @@ private void ResultList_MouseMove(object sender, MouseEventArgs e)
             if (e.LeftButton != MouseButtonState.Pressed)
             {
                 start = default;
-                path = null;
+                path = string.Empty;
+                query = string.Empty;
                 return;
             }