multiple fixes

1. auto paste on select
2. convert multiple lines to one line
3. fix plugin thread preventing main program from exiting
4. increase max history count, fix new record not appending after limit reached

Author: liberize

ClipboardMonitor.cs

@@ -26,6 +26,36 @@ public static void Stop()
             ClipboardWatcher.Stop();
         }
 
+        public static class ClipboardWrapper {
+            private static T LoopCall<T>(Func<T> func, int timeout = 1) {
+                T result = default(T);
+                DateTimeOffset startTime = DateTimeOffset.UtcNow;
+                while (true) {
+                    try {
+                        result = func();
+                    } catch (ExternalException) {
+                        Thread.Sleep(10);
+                        if (DateTimeOffset.UtcNow - startTime > TimeSpan.FromSeconds(timeout))
+                            return result;
+                        continue;
+                    }
+                    break;
+                }
+                return result;
+            }
+
+            public static IDataObject GetDataObject() {
+                return LoopCall(() => System.Windows.Forms.Clipboard.GetDataObject());
+            }
+
+            public static bool SetText(string text) {
+                return LoopCall(() => {
+                    System.Windows.Forms.Clipboard.SetText(text);
+                    return true;
+                });
+            }
+        }
+
         class ClipboardWatcher : Form
         {
             // static instance of this form
@@ -49,6 +79,7 @@ public static void Start()
                     Application.Run(new ClipboardWatcher());
                 }));
                 t.SetApartmentState(ApartmentState.STA); // give the [STAThread] attribute
+                t.IsBackground = true;
                 t.Start();
             }
 
@@ -117,7 +148,9 @@ protected override void WndProc(ref Message m)
 
             private void ClipChanged()
             {
-                IDataObject iData = System.Windows.Forms.Clipboard.GetDataObject();
+                IDataObject iData = ClipboardWrapper.GetDataObject();
+                if (iData == null)
+                    return;
 
                 ClipboardFormat? format = null;
 

Flow.Launcher.Plugin.ClipboardHistory.csproj

@@ -24,6 +24,7 @@
 
   <ItemGroup>
     <PackageReference Include="Flow.Launcher.Plugin" Version="1.3.0" />
+    <PackageReference Include="InputSimulatorCore" Version="1.0.5" />
   </ItemGroup>
 
 </Project>

Main.cs

@@ -2,49 +2,47 @@
 using System.Linq;
 using System.Collections.Generic;
 using Flow.Launcher.Plugin;
+using System.Threading.Tasks;
+using WindowsInput;
+using WindowsInput.Native;
 
 namespace Flow.Launcher.Plugin.ClipboardHistory
 {
     public class ClipboardHistory : IPlugin
     {
-        private const int MaxDataCount = 300;
+        private const int MaxDataCount = 5000;
         //private readonly KeyboardSimulator keyboardSimulator = new KeyboardSimulator(new InputSimulator());
+        private readonly InputSimulator inputSimulator = new InputSimulator();
         private PluginInitContext context;
-        List<string> dataList = new List<string>();
+        LinkedList<string> dataList = new LinkedList<string>();
 
         public List<Result> Query(Query query)
         {
             var results = new List<Result>();
-            List<string> displayData;
+            IEnumerable<string> displayData;
 
             if (query.Terms.Length == 0)
             {
                 displayData = dataList;
             }
             else
             {
-                displayData = dataList.Where(i => i.ToLower().Contains(query.SecondToEndSearch.ToLower()))
-                        .ToList();
+                displayData = dataList.Where(i => i.ToLower().Contains(query.SecondToEndSearch.ToLower()));
             }
 
             results.AddRange(displayData.Select(o => new Result
             {
-                Title = o.Trim(),
+                Title = o.Trim().Replace("\r\n", " ").Replace('\n', ' '),
                 IcoPath = "Images\\clipboard.png",
                 Action = c =>
                 {
-                    try
-                    {
-                        System.Windows.Forms.Clipboard.SetText(o);
-                        return true;
-                    }
-                    catch (Exception e)
-                    {
-                        context.API.ShowMsg("Error", e.Message, null);
+                    if (!ClipboardMonitor.ClipboardWrapper.SetText(o))
                         return false;
-                    }
+
+                    Task.Delay(50).ContinueWith(t => inputSimulator.Keyboard.ModifiedKeyStroke(VirtualKeyCode.CONTROL, VirtualKeyCode.VK_V));
+                    return true;
                 }
-            }).Reverse());
+            }));
             return results;
         }
 
@@ -64,15 +62,16 @@ void ClipboardMonitor_OnClipboardChange(ClipboardFormat format, object data)
             {
                 if (data != null && !string.IsNullOrEmpty(data.ToString().Trim()))
                 {
-                    if (dataList.Contains(data.ToString()))
+                    LinkedListNode<string> node = dataList.Find(data.ToString());
+                    if (node != null)
                     {
-                        dataList.Remove(data.ToString());
+                        dataList.Remove(node);
                     }
-                    dataList.Add(data.ToString());
+                    dataList.AddFirst(data.ToString());
 
                     if (dataList.Count > MaxDataCount)
                     {
-                        dataList.Remove(dataList.Last());
+                        dataList.RemoveLast();
                     }
                 }
             }