add EnableMultiInstances

OngekiFumenEditor/App.config

@@ -52,6 +52,9 @@
             <setting name="DisableShowSplashScreenAfterBoot" serializeAs="String">
                 <value>False</value>
             </setting>
+            <setting name="EnableMultiInstances" serializeAs="String">
+                <value>False</value>
+            </setting>
         </OngekiFumenEditor.Properties.ProgramSetting>
         <OngekiFumenEditor.Properties.LogSetting>
             <setting name="LogFileDirPath" serializeAs="String">

OngekiFumenEditor/App.xaml.cs

@@ -1,8 +1,13 @@
-using System;
+using OngekiFumenEditor.Utils;
+using System;
 using System.Diagnostics;
 using System.IO;
 using System.IO.Compression;
+using System.IO.MemoryMappedFiles;
+using System.Linq;
 using System.Reflection;
+using System.Text;
+using System.Text.Json;
 using System.Windows;
 
 namespace OngekiFumenEditor
@@ -12,10 +17,14 @@ namespace OngekiFumenEditor
 	/// </summary>
 	public partial class App : Application
 	{
+		static App()
+		{
+			IPCHelper.Init();
+		}
+
 		public App()
 		{
 			AppDomain.CurrentDomain.AssemblyResolve += OnSatelliteAssemblyResolve;
-
 			// 设置工作目录为执行文件所在的目录
 			Directory.SetCurrentDirectory(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location));
 		}

OngekiFumenEditor/AppBootstrapper.cs

@@ -1,4 +1,5 @@
 using Caliburn.Micro;
+using ControlzEx.Standard;
 using Gemini.Framework.Services;
 using Gemini.Modules.Output;
 using MahApps.Metro.Controls.Dialogs;
@@ -21,18 +22,21 @@
 using System.Diagnostics;
 using System.Globalization;
 using System.IO;
+using System.IO.Pipes;
 using System.Linq;
 using System.Reflection;
 using System.Runtime.InteropServices;
 using System.Security.Principal;
 using System.Text;
+using System.Text.Json;
 using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Input;
 using System.Windows.Media.Imaging;
+using System.Windows.Threading;
 
 namespace OngekiFumenEditor
 {
@@ -168,6 +172,7 @@ protected async override void OnStartup(object sender, StartupEventArgs e)
 			base.OnStartup(sender, e);
 			InitExceptionCatcher();
 			LogBaseInfos();
+			InitIPC();
 
 			if (CheckIfAdminPermission())
 			{
@@ -213,6 +218,39 @@ protected async override void OnStartup(object sender, StartupEventArgs e)
 				IoC.Get<IWindowManager>().ShowWindowAsync(IoC.Get<ISplashScreenWindow>());
 		}
 
+		private void InitIPC()
+		{
+			if (ProgramSetting.Default.EnableMultiInstances)
+				return;
+			ipcThread = new AbortableThread(async (cancelToken) =>
+			{
+				while (!cancelToken.IsCancellationRequested)
+				{
+					try
+					{
+						var line = IPCHelper.ReadLineAsync(cancelToken)?.Trim();
+						if (string.IsNullOrWhiteSpace(line))
+							continue;
+						Log.LogDebug($"Recv line by IPC:{line}");
+						if (line.StartsWith("CMD:"))
+						{
+							var args = JsonSerializer.Deserialize<IPCHelper.ArgsWrapper>(line[4..]).Args;
+							await Application.Current.Dispatcher.InvokeAsync(() => IoC.Get<IProgramArgProcessManager>().ProcessArgs(args));
+						}
+					}
+					catch (Exception e)
+					{
+						Log.LogWarn($"Recv line by IPC throw exception:{e.Message}");
+					}
+				}
+			})
+			{
+				Name = "OngekiFumenEditorIPCThread",
+				IsBackground = true,
+			};
+			ipcThread.Start();
+		}
+
 		private async void MainWindow_Drop(object sender, DragEventArgs e)
 		{
 			if (e.Data.GetDataPresent(DataFormats.FileDrop))
@@ -232,6 +270,7 @@ private async void MainWindow_Drop(object sender, DragEventArgs e)
 		}
 
 		private bool exceptionHandling = false;
+		private AbortableThread ipcThread;
 
 		private void InitExceptionCatcher()
 		{
@@ -285,6 +324,7 @@ void exceptionDump(Exception e, int level = 0)
 
 		protected override async void OnExit(object sender, EventArgs e)
 		{
+			ipcThread?.Abort();
 			IoC.Get<IAudioManager>().Dispose();
 			await IoC.Get<ISchedulerManager>().Term();
 			FileLogOutput.WriteLog("\n----------CLOSE FILE LOG OUTPUT----------");

OngekiFumenEditor/Kernel/SettingPages/Program/Views/ProgramSettingView.xaml

@@ -21,6 +21,10 @@
                     Margin="10,10,10,10"
                     Content="{markup:Translate [ProcessProriotyUpgrade]}"
                     IsChecked="{Binding Setting.UpgradeProcessPriority}" />
+                <CheckBox
+                    Margin="10,0,10,10"
+                    Content="{markup:Translate [EnableMultiInstances]}"
+                    IsChecked="{Binding Setting.EnableMultiInstances}" />
             </StackPanel>
         </GroupBox>
         <GroupBox Margin="5" Header="{markup:Translate [CrashDumpFile]}">

OngekiFumenEditor/Properties/ProgramSetting.settings

@@ -26,5 +26,8 @@
     <Setting Name="DisableShowSplashScreenAfterBoot" Type="System.Boolean" Scope="User">
       <Value Profile="(Default)">False</Value>
     </Setting>
+    <Setting Name="EnableMultiInstances" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">False</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

OngekiFumenEditor/Properties/Resources.resx

@@ -588,6 +588,9 @@
   <data name="EnableLoopPlayTiming" xml:space="preserve">
     <value>Enable the metronome (only in Design Mode)</value>
   </data>
+  <data name="EnableMultiInstances" xml:space="preserve">
+    <value>Allow multiple program instances to run</value>
+  </data>
   <data name="EnableNotifyUserByDialog" xml:space="preserve">
     <value>Enable display dialog for notifications</value>
   </data>

OngekiFumenEditor/Properties/Resources.zh-Hans.resx

@@ -588,6 +588,9 @@
   <data name="EnableLoopPlayTiming" xml:space="preserve">
     <value>打开节拍器(仅编辑模式)</value>
   </data>
+  <data name="EnableMultiInstances" xml:space="preserve">
+    <value>允许同时运行多个程序实例</value>
+  </data>
   <data name="EnableNotifyUserByDialog" xml:space="preserve">
     <value>是否显示对话框通知用户</value>
   </data>

OngekiFumenEditor/Utils/IPCHelper.cs

@@ -0,0 +1,87 @@
+using ControlzEx.Standard;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.IO.MemoryMappedFiles;
+using System.IO.Pipes;
+using System.Linq;
+using System.Security.AccessControl;
+using System.Security.Principal;
+using System.Text;
+using System.Text.Json;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace OngekiFumenEditor.Utils
+{
+	internal static class IPCHelper
+	{
+		const int FileSize = 10240;
+		private static MemoryMappedFile mmf;
+		private static bool enableMultiProc;
+
+		internal class ArgsWrapper
+		{
+			public string[] Args { get; set; }
+		}
+
+		static IPCHelper()
+		{
+			enableMultiProc = Properties.ProgramSetting.Default.EnableMultiInstances;
+		}
+
+		public static void Init()
+		{
+			if (enableMultiProc)
+				return;
+
+			mmf = MemoryMappedFile.CreateOrOpen("OngekiFumenEditor_MMF", FileSize, MemoryMappedFileAccess.ReadWrite);
+			using var accessor = mmf.CreateViewAccessor(0, FileSize);
+
+			var pid = accessor.ReadInt32(0);
+			if (pid != 0)
+			{
+				var process = Process.GetProcessById(pid);
+				if (process is not null)
+				{
+					//send to host
+					var r = "CMD:" + JsonSerializer.Serialize(new ArgsWrapper() { Args = Environment.GetCommandLineArgs().Skip(1).ToArray() });
+
+					var buffer = Encoding.UTF8.GetBytes(r);
+					accessor.WriteArray(sizeof(int) * 2, buffer, 0, Math.Min(buffer.Length, FileSize - sizeof(int) * 2));
+					accessor.Write(sizeof(int), buffer.Length);
+					accessor.Flush();
+
+					Environment.Exit(0);
+					return;
+				}
+			}
+
+			accessor.Write(0, Process.GetCurrentProcess().Id);
+		}
+
+		public static string ReadLineAsync(CancellationToken cancellation)
+		{
+			if (enableMultiProc)
+				return string.Empty;
+
+			using var accessor = mmf.CreateViewAccessor(0, FileSize);
+
+			while (!cancellation.IsCancellationRequested)
+			{
+				var size = accessor.ReadInt32(sizeof(int));
+				if (size > 0)
+				{
+					var bytes = new byte[size];
+					accessor.ReadArray(sizeof(int) * 2, bytes, 0, size);
+					accessor.Write(sizeof(int), 0);
+
+					return Encoding.UTF8.GetString(bytes);
+				}
+			}
+
+			return string.Empty;
+		}
+	}
+}