feat: Add WorkingDirectory property to control terminal process startup directory (WPF)

EasyWindowsTerminalControl/EasyTerminalControl.cs

@@ -133,6 +133,11 @@ public string StartupCommandLine {
 			set => SetValue(StartupCommandLineProperty, value);
 		}
 
+		public string WorkingDirectory {
+			get => (string)GetValue(WorkingDirectoryProperty);
+			set => SetValue(WorkingDirectoryProperty, value);
+		}
+
 		public bool LogConPTYOutput {
 			get => (bool)GetValue(LogConPTYOutputProperty);
 			set => SetValue(LogConPTYOutputProperty, value);
@@ -215,7 +220,12 @@ private void StartTerm(int column_width, int row_height) {
 				var cmd = StartupCommandLine;//thread safety for dp
 				var term = ConPTYTerm;
 				var logOutput = LogConPTYOutput;
-				Task.Run(() => term.Start(cmd, column_width, row_height, logOutput));
+				var workingDir = WorkingDirectory;
+                //fallback to UserProfile
+                if (workingDir != null && (!System.IO.Directory.Exists(workingDir) || workingDir == "%USERPROFILE%")) {
+					workingDir = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
+				}
+				Task.Run(() => term.Start(cmd, column_width, row_height, logOutput, null, workingDir));
 			});
 		}
 		private async void Terminal_Loaded(object sender, RoutedEventArgs e) {
@@ -247,6 +257,8 @@ private async Task TermInit() {
 		public static readonly DependencyProperty ConPTYTermProperty = DependencyProperty.Register(nameof(ConPTYTerm), typeof(TermPTY), typeof(EasyTerminalControl), new(null, OnTermChanged));
 		public static readonly DependencyProperty StartupCommandLineProperty = DependencyProperty.Register(nameof(StartupCommandLine), typeof(string), typeof(EasyTerminalControl), new PropertyMetadata("powershell.exe"));
 
+		public static readonly DependencyProperty WorkingDirectoryProperty = DependencyProperty.Register(nameof(WorkingDirectory), typeof(string), typeof(EasyTerminalControl), new PropertyMetadata(null));
+
 		public static readonly DependencyProperty LogConPTYOutputProperty = DependencyProperty.Register(nameof(LogConPTYOutput), typeof(bool), typeof(EasyTerminalControl), new PropertyMetadata(false));
 		public static readonly DependencyProperty Win32InputModeProperty = DependencyProperty.Register(nameof(Win32InputMode), typeof(bool), typeof(EasyTerminalControl), new PropertyMetadata(true));
 		public static readonly DependencyProperty IsReadOnlyProperty = PropHelper.GenerateWriteOnlyProperty((c) => c.IsReadOnly);

EasyWindowsTerminalControl/Internals/ProcessFactory.cs

@@ -13,7 +13,7 @@ public interface IProcess : IDisposable {
 		void Kill(bool EntireProcessTree = false);
 	}
 	public interface IProcessFactory {
-		IProcess Start(string command, nuint attributes, PseudoConsole console);
+		IProcess Start(string command, nuint attributes, PseudoConsole console, string workingDirectory = null);
 	}
 	/// <summary>
 	/// Support for starting and configuring processes.
@@ -49,9 +49,9 @@ public void Dispose() {
 		/// <summary>
 		/// Start and configure a process. The return value represents the process and should be disposed.
 		/// </summary>
-		public static WrappedProcess Start(string command, nuint attributes, PseudoConsole console) {
+		public static WrappedProcess Start(string command, nuint attributes, PseudoConsole console, string workingDirectory = null) {
 			var startupInfo = ConfigureProcessThread(console.Handle, attributes);
-			var processInfo = RunProcess(ref startupInfo, command);
+			var processInfo = RunProcess(ref startupInfo, command, workingDirectory);
 			return new(new Process(startupInfo, processInfo));
 		}
 
@@ -100,14 +100,14 @@ unsafe private static STARTUPINFOEXW ConfigureProcessThread(PseudoConsole.ConPty
 			return startupInfo;
 		}
 
-		unsafe private static PROCESS_INFORMATION RunProcess(ref STARTUPINFOEXW sInfoEx, string commandLine) {
+		unsafe private static PROCESS_INFORMATION RunProcess(ref STARTUPINFOEXW sInfoEx, string commandLine, string workingDirectory = null) {
 			uint securityAttributeSize = (uint)Marshal.SizeOf<SECURITY_ATTRIBUTES>();
 			var pSec = new SECURITY_ATTRIBUTES { nLength = securityAttributeSize };
 			var tSec = new SECURITY_ATTRIBUTES { nLength = securityAttributeSize };
 			var info = sInfoEx;
 			Span<char> spanChar = (commandLine + '\0').ToCharArray();
 
-			var success = PInvoke.CreateProcess(null, ref spanChar, pSec, tSec, false, PROCESS_CREATION_FLAGS.EXTENDED_STARTUPINFO_PRESENT, null, null, info.StartupInfo, out var pInfo);
+			var success = PInvoke.CreateProcess(null, ref spanChar, pSec, tSec, false, PROCESS_CREATION_FLAGS.EXTENDED_STARTUPINFO_PRESENT, null, workingDirectory, info.StartupInfo, out var pInfo);
 
 			if (!success)
 				throw new Win32Exception(Marshal.GetLastWin32Error(), "Could not create process.");

EasyWindowsTerminalControl/TermPTY.cs

@@ -14,7 +14,7 @@ namespace EasyWindowsTerminalControl {
 	/// </summary>
 	public class TermPTY : ITerminalConnection {
 		protected class InternalProcessFactory : IProcessFactory {
-			public IProcess Start(string command, nuint attributes, PseudoConsole console) => ProcessFactory.Start(command, attributes, console);
+			public IProcess Start(string command, nuint attributes, PseudoConsole console, string workingDirectory = null) => ProcessFactory.Start(command, attributes, console, workingDirectory);
 		}
 #if WPF
 		private static bool IsDesignMode = System.ComponentModel.DesignerProperties.GetIsInDesignMode(new System.Windows.DependencyObject());
@@ -61,7 +61,8 @@ public static string StripColors(String str) {
 		/// <param name="consoleWidth">The width (in characters) to start the pseudoconsole with. Defaults to 30.</param>
 		/// <param name="logOutput">Whether to log the output of the console to a file. Defaults to false.</param>
 		/// <param name="factory">While not recommended, you can provide your own process factory for more granular control over process creation</param>
-		public void Start(string command, int consoleWidth = 80, int consoleHeight = 30, bool logOutput = false, IProcessFactory factory = null) {
+		/// <param name="workingDirectory">The working directory for the process. Defaults to null (inherits current process working directory).</param>
+		public void Start(string command, int consoleWidth = 80, int consoleHeight = 30, bool logOutput = false, IProcessFactory factory = null, string workingDirectory = null) {
 			if (Process != null)
 				throw new Exception("Called Start on ConPTY term after already started");
 			factory ??= new InternalProcessFactory();
@@ -75,7 +76,7 @@ public void Start(string command, int consoleWidth = 80, int consoleHeight = 30,
 			using (var inputPipe = new PseudoConsolePipe())
 			using (var outputPipe = new PseudoConsolePipe())
 			using (var pseudoConsole = PseudoConsole.Create(inputPipe.ReadSide, outputPipe.WriteSide, consoleWidth, consoleHeight))
-			using (var process = factory.Start(command, PInvoke.PROC_THREAD_ATTRIBUTE_PSEUDOCONSOLE, pseudoConsole)) {
+			using (var process = factory.Start(command, PInvoke.PROC_THREAD_ATTRIBUTE_PSEUDOCONSOLE, pseudoConsole, workingDirectory)) {
 				Process = process;
 				TheConsole = pseudoConsole;
 				// copy all pseudoconsole output to a FileStream and expose it to the rest of the app

TermExample/MainWindow.xaml

@@ -11,7 +11,7 @@
 			<RowDefinition/>
 			<RowDefinition Height="Auto"/>
 		</Grid.RowDefinitions>
-		<term:EasyTerminalControl x:Name="basicTermControl" StartupCommandLine="{Binding StartupCommand}" Theme="{Binding Theme, Mode=OneWay}" FontFamilyWhenSettingTheme="Consolas" LogConPTYOutput="True"  Win32InputMode="True" InputCapture="TabKey,DirectionKeys" >
+		<term:EasyTerminalControl x:Name="basicTermControl" StartupCommandLine="{Binding StartupCommand}" WorkingDirectory="{Binding WorkingDirectory}" Theme="{Binding Theme, Mode=OneWay}" FontFamilyWhenSettingTheme="Consolas" LogConPTYOutput="True"  Win32InputMode="True" InputCapture="TabKey,DirectionKeys" >
 			<term:EasyTerminalControl.Resources>
 				<Style TargetType="ScrollBar" BasedOn="{StaticResource {x:Type ScrollBar}}">
 					<!--Lazy Theming-->

TermExample/MainWindow.xaml.cs

@@ -61,6 +61,8 @@ public class DataBinds : INotifyPropertyChanged {
 			public void TriggerPropChanged(string prop) => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(prop));
 
 			public string StartupCommand => "pwsh.exe";
+			public string WorkingDirectory => Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
+
 			private static Color AlphaOverrideColor(Color color, byte alphaOverride) => Color.FromArgb(alphaOverride, color.R, color.G, color.B);
 
 			private static readonly Color BackroundColor = Color.FromArgb(255, 0, 0, 30);