Add CLI process and GUI start/stop commands with process management

Kernel.cs

@@ -2,6 +2,8 @@ global using Sys = Cosmos.Kernel.System;
 
 using Cosmos.Kernel.Core;
 
+using RemSox.Processes;
+using RemSox.Processing;
 using RemSox.Processing.IPC;
 using RemSox.UI.CLI;
 using RemSox.UI.CLI.Commands;
@@ -20,62 +22,62 @@ public class Kernel : Sys.Kernel
 {
     protected override void BeforeRun()
     {
-        Console.WriteLine("Cosmos booted successfully!");
+        CommandManager.RegisterCommands([
-        Console.WriteLine("Type a command to get it executed.");
-
-        CommandManager.RegisterCommands(
-        [
             new HelpCommand(),
             new ClearCommand(),
             new HaltCommand(),
             new SpawnTestProcessCommand(),
             new ListProcessesCommand(),
             new StopProcessCommand(),
-            new StartGuiCommand()
+            new StartGuiCommand(),
+            new StopGuiCommand()
         ]);
 
         Sys.Mouse.MouseManager.Initialize();
         Sys.Keyboard.KeyboardManager.Initialize();
 
-        for (int i = 0; i < 5; i++)
+        ProcessManager.SpawnProcess<CliProcess>();
-        {
-            //ProcessManager.SpawnProcess<TestProcess>();
-        }
-
-        Console.WriteLine(CosmosFeatures.MouseEnabled);
-        Console.WriteLine(CosmosFeatures.KeyboardEnabled);
     }
 
     protected override void Run()
     {
-        if (Processes.DesktopProcess.IsRunning)
+        bool desktopRunning = ProcessManager.IsProcessRunning<DesktopProcess>();
+        bool cliRunning = ProcessManager.IsProcessRunning<CliProcess>();
+
+        if (!desktopRunning && !cliRunning)
         {
-            // Suspend the CLI while the GUI is active to prevent blocking and console corruption.
+            ProcessManager.SpawnProcess<CliProcess>();
+            return;
+        }
+
+        if (desktopRunning && cliRunning)
+        {
+            foreach (Process process in ProcessManager.GetProcessesOfType<CliProcess>())
+            {
+                ProcessManager.StopProcess(process.Id);
+            }
+        }
+
         Thread.Sleep(1000);
-            return;
+    }
 }
 
-        Console.Write("> ");
 
-        string? input = Console.ReadLine();
 
-        if (string.IsNullOrEmpty(input))
+[AttributeUsage(AttributeTargets.Class)]
+public class TestAttribute : Attribute
 {
-            return;
+    public string Name { get; set; } = "default";
 }
 
-        if (CommandManager.TryExecute(input, line => Console.WriteLine(line)))
+[Test(Name = "HelloCosmos")]
+public class TestClass
 {
-            return;
 }
 
-        Console.WriteLine($"\"{input}\" is not a command");
+public class TestProcess() : Process("Test Process")
-    }
-}
-
-public class TestProcess() : Processing.Process("Test Process")
 {
-    internal override void Run()
+    internal override void Run(string[] args)
     {
         Window window = WindowManager.CreateWindow(this, "Test Window", Point.Empty, new Size(200, 150));
         window.AutoFlush = true;

Processes/CliProcess.cs

@@ -0,0 +1,33 @@
+using RemSox.Processing;
+using RemSox.UI.CLI;
+
+namespace RemSox.Processes;
+
+internal class CliProcess() : Process("Cli")
+{
+    internal override void Run(string[] args)
+    {
+        Console.Clear();
+        Console.WriteLine("Welcome RemSox!");
+        Console.WriteLine("Type 'help' to see available commands.");
+
+        while (!StopRequested)
+        {
+            Console.Write("> ");
+
+            string? input = Console.ReadLine();
+
+            if (string.IsNullOrWhiteSpace(input))
+            {
+                continue;
+            }
+
+            bool handled = CommandManager.TryExecute(input, line => Console.WriteLine(line));
+
+            if (!handled)
+            {
+                Console.WriteLine($"\"{input}\" is not a command");
+            }
+        }
+    }
+}

UI/CLI/Commands/StartGuiCommand.cs

@@ -11,6 +11,18 @@ public class StartGuiCommand : ICommand
     public void Execute(string? arguments, Action<string> printLine)
     {
         printLine("Starting Desktop Process...");
+
+        if (ProcessManager.IsProcessRunning<DesktopProcess>())
+        {
+            printLine("Desktop Process is already running.");
+            return;
+        }
+
+        foreach (Process process in ProcessManager.GetProcessesOfType<CliProcess>())
+        {
+            ProcessManager.StopProcess(process.Id);
+        }
+
         _ = ProcessManager.SpawnProcess<DesktopProcess>();
     }
 }

UI/CLI/Commands/StopGuiCommand.cs

@@ -0,0 +1,31 @@
+using Cosmos.Kernel.System.Graphics;
+using Org.BouncyCastle.Bcpg;
+using RemSox.Processes;
+using RemSox.Processing;
+using RemSox.UI.GUI.Windows;
+
+namespace RemSox.UI.CLI.Commands;
+
+public class StopGuiCommand : ICommand
+{
+    public string Name => "stop-gui";
+    public string Description => "Stops the Graphical User Interface (Desktop Process)";
+
+    public async void Execute(string? arguments, Action<string> printLine)
+    {
+        printLine("Stopping Desktop Process...");
+
+        if (!ProcessManager.IsProcessRunning<DesktopProcess>())
+        {
+            printLine("Desktop Process is not running.");
+            return;
+        }
+
+        foreach (Process process in ProcessManager.GetProcessesOfType<DesktopProcess>())
+        {
+            await ProcessManager.StopProcessAndWaitAsync(process.Id);
+        }
+
+        _ = ProcessManager.SpawnProcess<CliProcess>();
+    }
+}