Initial adaption of VtNetCore.UWP

FluentTerminal.App.Services/ITerminalView.cs

@@ -1,39 +0,0 @@
-using FluentTerminal.Models;
-using FluentTerminal.Models.Enums;
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-
-namespace FluentTerminal.App.Services
-{
-    public interface ITerminalView
-    {
-        event EventHandler<TerminalSize> TerminalSizeChanged;
-
-        event EventHandler<string> TerminalTitleChanged;
-
-        event EventHandler<string> KeyboardCommandReceived;
-
-        Task ChangeTheme(TerminalColors theme);
-
-        Task ChangeOptions(TerminalOptions options);
-
-        Task ChangeKeyBindings(IEnumerable<KeyBinding> keyBindings);
-
-        Task<TerminalSize> CreateTerminal(TerminalOptions options, TerminalColors theme, IEnumerable<KeyBinding> keyBindings, SessionType sessionType);
-
-        Task ConnectToSocket(string url);
-
-        void Close();
-
-        Task FocusTerminal();
-
-        Task<string> GetSelection();
-
-        Task FindNext(string searchText);
-
-        Task FindPrevious(string searchText);
-
-        void FocusSearchTextBox();
-    }
-}

FluentTerminal.App.Services/ITrayProcessCommunicationService.cs

@@ -12,7 +12,7 @@ namespace FluentTerminal.App.Services
 
         void Initialize(IAppServiceConnection appServiceConnection);
 
-        Task<CreateTerminalResponse> CreateTerminal(TerminalSize size, ShellProfile shellProfile, SessionType sessionType);
+        Task<CreateTerminalResponse> CreateTerminal(int id, TerminalSize size, ShellProfile shellProfile, SessionType sessionType);
 
         Task ResizeTerminal(int id, TerminalSize size);
 
@@ -23,5 +23,7 @@ namespace FluentTerminal.App.Services
         void SubscribeForTerminalOutput(int terminalId, Action<string> callback);
 
         Task CloseTerminal(int terminalId);
+        Task<GetAvailablePortResponse> GetAvailablePort();
+        int GetNextTerminalId();
     }
 }

FluentTerminal.App.Services/Implementation/TrayProcessCommunicationService.cs

@@ -7,7 +7,6 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Threading.Tasks;
-using Windows.Foundation.Metadata;
 
 namespace FluentTerminal.App.Services.Implementation
 {
@@ -16,6 +15,7 @@ namespace FluentTerminal.App.Services.Implementation
         private readonly ISettingsService _settingsService;
         private IAppServiceConnection _appServiceConnection;
         private readonly Dictionary<int, Action<string>> _terminalOutputHandlers;
+        private int _nextTerminalId = 0;
 
         public event EventHandler<int> TerminalExited;
 
@@ -25,12 +25,25 @@ namespace FluentTerminal.App.Services.Implementation
             _terminalOutputHandlers = new Dictionary<int, Action<string>>();
         }
 
-        public async Task<CreateTerminalResponse> CreateTerminal(TerminalSize size, ShellProfile shellProfile, SessionType sessionType)
+        public int GetNextTerminalId()
         {
+            return _nextTerminalId++;
+        }
 
+        public async Task<GetAvailablePortResponse> GetAvailablePort()
+        {
+            var request = new GetAvailablePortRequest();
 
+            var responseMessage = await _appServiceConnection.SendMessageAsync(CreateMessage(request));
+
+            return JsonConvert.DeserializeObject<GetAvailablePortResponse>(responseMessage[MessageKeys.Content]);
+        }
+
+        public async Task<CreateTerminalResponse> CreateTerminal(int id, TerminalSize size, ShellProfile shellProfile, SessionType sessionType)
+        {
             var request = new CreateTerminalRequest
             {
+                Id = id,
                 Size = size,
                 Profile = shellProfile,
                 SessionType = sessionType

FluentTerminal.App.Services/Terminal.cs

@@ -0,0 +1,126 @@
+using FluentTerminal.Models;
+using FluentTerminal.Models.Enums;
+using System;
+using System.Threading.Tasks;
+
+namespace FluentTerminal.App.Services
+{
+    public class Terminal
+    {
+        private readonly ITrayProcessCommunicationService _trayProcessCommunicationService;
+        private Func<Task<string>> _selectedTextCallback;
+
+        public Terminal(ITrayProcessCommunicationService trayProcessCommunicationService)
+        {
+            _trayProcessCommunicationService = trayProcessCommunicationService;
+            Id = _trayProcessCommunicationService.GetNextTerminalId();
+        }
+
+        /// <summary>
+        /// To be observed by both view and viewmodel
+        /// </summary>
+        public event EventHandler Closed;
+
+        /// <summary>
+        /// to be observed by viewmodel
+        /// </summary>
+        public event EventHandler<string> KeyboardCommandReceived;
+
+        /// <summary>
+        /// to be observed by view
+        /// </summary>
+        public event EventHandler<string> OutputReceived;
+
+        /// <summary>
+        /// to be observed by viewmodel
+        /// </summary>
+        public event EventHandler<TerminalSize> SizeChanged;
+
+        /// <summary>
+        /// to be observed by viewmodel
+        /// </summary>
+        public event EventHandler<string> TitleChanged;
+
+        public string FallbackTitle { get; private set; }
+
+        public int Id { get; }
+
+        /// <summary>
+        /// To be called by either view or viewmodel
+        /// </summary>
+        public async Task Close()
+        {
+            await _trayProcessCommunicationService.CloseTerminal(Id).ConfigureAwait(true);
+            Closed?.Invoke(this, System.EventArgs.Empty);
+        }
+
+        /// <summary>
+        /// to be called by viewmodel
+        /// </summary>
+        /// <returns></returns>
+        public Task<string> GetSelectedText()
+        {
+            return _selectedTextCallback();
+        }
+
+        /// <summary>
+        /// to be called by view
+        /// </summary>
+        public void ProcessKeyboardCommand(string command)
+        {
+            KeyboardCommandReceived?.Invoke(this, command);
+        }
+
+        /// <summary>
+        /// To be set by view
+        /// </summary>
+        public void RegisterSelectedTextCallback(Func<Task<string>> selectedTextCallback)
+        {
+            _selectedTextCallback = selectedTextCallback;
+        }
+
+        /// <summary>
+        /// To be called by view
+        /// </summary>
+        public async Task SetSize(TerminalSize size)
+        {
+            await _trayProcessCommunicationService.ResizeTerminal(Id, size);
+            SizeChanged?.Invoke(this, size);
+        }
+
+        /// <summary>
+        /// to be called by view
+        /// </summary>
+        public void SetTitle(string title)
+        {
+            if (string.IsNullOrWhiteSpace(title))
+            {
+                title = FallbackTitle;
+            }
+            TitleChanged?.Invoke(this, title);
+        }
+
+        /// <summary>
+        /// to be called by view when ready
+        /// </summary>
+        /// <param name="shellProfile"></param>
+        /// <param name="size"></param>
+        /// <param name="sessionType"></param>
+        public async Task StartShellProcess(ShellProfile shellProfile, TerminalSize size, SessionType sessionType)
+        {
+            _trayProcessCommunicationService.SubscribeForTerminalOutput(Id, t => OutputReceived?.Invoke(this, t));
+            var response = await _trayProcessCommunicationService.CreateTerminal(Id, size, shellProfile, sessionType).ConfigureAwait(true);
+
+            if (response.Success)
+            {
+                FallbackTitle = response.ShellExecutableName;
+                SetTitle(FallbackTitle);
+            }
+        }
+
+        public Task Write(string text)
+        {
+            return _trayProcessCommunicationService.WriteText(Id, text);
+        }
+    }
+}

FluentTerminal.App.ViewModels/MainViewModel.cs

@@ -213,7 +213,7 @@ namespace FluentTerminal.App.ViewModels
         {
             foreach (var terminal in Terminals)
             {
-                terminal.CloseView();
+                terminal.Close();
             }
         }
 
@@ -279,7 +279,7 @@ namespace FluentTerminal.App.ViewModels
         {
             if (sender is TerminalViewModel terminal)
             {
-                terminal.CloseView();
+                terminal.Close();
                 if (SelectedTerminal == terminal)
                 {
                     SelectedTerminal = Terminals.LastOrDefault(t => t != terminal);

FluentTerminal.App.ViewModels/TerminalViewModel.cs

@@ -1,33 +1,20 @@
-using Fleck;
+using FluentTerminal.App.Services;
-using FluentTerminal.App.Services;
 using FluentTerminal.App.ViewModels.Infrastructure;
-using FluentTerminal.App.ViewModels.Utilities;
 using FluentTerminal.Models;
 using FluentTerminal.Models.Enums;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
 using System;
-using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
-using System.Threading;
 using System.Threading.Tasks;
 
 namespace FluentTerminal.App.ViewModels
 {
     public class TerminalViewModel : ViewModelBase
     {
-        private readonly IApplicationView _applicationView;
-        private readonly IClipboardService _clipboardService;
-        private readonly ManualResetEventSlim _connectedEvent;
-        private readonly IDialogService _dialogService;
         private readonly IKeyboardCommandService _keyboardCommandService;
         private readonly IDispatcherTimer _resizeOverlayTimer;
-        private readonly ISettingsService _settingsService;
-        private readonly ShellProfile _shellProfile;
-        private readonly string _startupDirectory;
-        private readonly ITrayProcessCommunicationService _trayProcessCommunicationService;
-        private InputBuffer _buffer;
         private bool _isSelected;
         private bool _newOutput;
         private string _resizeOverlayContent;
@@ -35,72 +22,87 @@ namespace FluentTerminal.App.ViewModels
         private bool _showResizeOverlay;
         private bool _showSearchPanel;
         private TabTheme _tabTheme;
-        private int _terminalId;
         private TerminalTheme _terminalTheme;
-        private ITerminalView _terminalView;
         private string _title;
-        private IWebSocketConnection _webSocket;
 
         public TerminalViewModel(ISettingsService settingsService, ITrayProcessCommunicationService trayProcessCommunicationService, IDialogService dialogService,
             IKeyboardCommandService keyboardCommandService, ApplicationSettings applicationSettings, string startupDirectory, ShellProfile shellProfile,
             IApplicationView applicationView, IDispatcherTimer dispatcherTimer, IClipboardService clipboardService)
         {
-            Title = DefaultTitle;
+            SettingsService = settingsService;
+            SettingsService.CurrentThemeChanged += OnCurrentThemeChanged;
+            SettingsService.TerminalOptionsChanged += OnTerminalOptionsChanged;
+            SettingsService.ApplicationSettingsChanged += OnApplicationSettingsChanged;
+            SettingsService.KeyBindingsChanged += OnKeyBindingsChanged;
 
-            _connectedEvent = new ManualResetEventSlim(false);
+            TrayProcessCommunicationService = trayProcessCommunicationService;
 
-            _settingsService = settingsService;
+            DialogService = dialogService;
-            _settingsService.CurrentThemeChanged += OnCurrentThemeChanged;
-            _settingsService.TerminalOptionsChanged += OnTerminalOptionsChanged;
-            _settingsService.ApplicationSettingsChanged += OnApplicationSettingsChanged;
-            _settingsService.KeyBindingsChanged += OnKeyBindingsChanged;
-
-            _trayProcessCommunicationService = trayProcessCommunicationService;
-            _trayProcessCommunicationService.TerminalExited += OnTerminalExited;
-
-            _dialogService = dialogService;
             _keyboardCommandService = keyboardCommandService;
             ApplicationSettings = applicationSettings;
-            _startupDirectory = startupDirectory;
+            StartupDirectory = startupDirectory;
-            _shellProfile = shellProfile;
+            ApplicationView = applicationView;
-            _applicationView = applicationView;
+            ClipboardService = clipboardService;
-            _clipboardService = clipboardService;
 
-            TerminalTheme = shellProfile.TerminalThemeId == Guid.Empty ? _settingsService.GetCurrentTheme() : _settingsService.GetTheme(shellProfile.TerminalThemeId);
+            ShellProfile = shellProfile;
+            TerminalTheme = shellProfile.TerminalThemeId == Guid.Empty ? SettingsService.GetCurrentTheme() : SettingsService.GetTheme(shellProfile.TerminalThemeId);
 
-            TabThemes = new ObservableCollection<TabTheme>(_settingsService.GetTabThemes());
+            TabThemes = new ObservableCollection<TabTheme>(SettingsService.GetTabThemes());
-            TabTheme = TabThemes.FirstOrDefault(t => t.Id == _shellProfile.TabThemeId);
+            TabTheme = TabThemes.FirstOrDefault(t => t.Id == ShellProfile.TabThemeId);
 
             _resizeOverlayTimer = dispatcherTimer;
             _resizeOverlayTimer.Interval = new TimeSpan(0, 0, 2);
             _resizeOverlayTimer.Tick += OnResizeOverlayTimerFinished;
 
             CloseCommand = new RelayCommand(async () => await TryClose().ConfigureAwait(false));
-            FindNextCommand = new RelayCommand(async () => await FindNext().ConfigureAwait(false));
+            FindNextCommand = new RelayCommand(FindNext);
-            FindPreviousCommand = new RelayCommand(async () => await FindPrevious().ConfigureAwait(false));
+            FindPreviousCommand = new RelayCommand(FindPrevious);
             CloseSearchPanelCommand = new RelayCommand(CloseSearchPanel);
             SelectTabThemeCommand = new RelayCommand<string>(SelectTabTheme);
             EditTitleCommand = new AsyncCommand(EditTitle);
+
+            if (!string.IsNullOrWhiteSpace(StartupDirectory))
+            {
+                ShellProfile.WorkingDirectory = StartupDirectory;
+            }
+
+            Terminal = new Terminal(TrayProcessCommunicationService);
+            Terminal.KeyboardCommandReceived += Terminal_KeyboardCommandReceived;
+            Terminal.OutputReceived += Terminal_OutputReceived;
+            Terminal.SizeChanged += Terminal_SizeChanged;
+            Terminal.TitleChanged += Terminal_TitleChanged;
+            Terminal.Closed += Terminal_Closed;
         }
 
+        public event EventHandler Activated;
         public event EventHandler Closed;
+        public event EventHandler<string> FindNextRequested;
+        public event EventHandler<string> FindPreviousRequested;
+        public event EventHandler KeyBindingsChanged;
+        public event EventHandler<TerminalOptions> OptionsChanged;
+        public event EventHandler SearchStarted;
+        public event EventHandler<TerminalTheme> ThemeChanged;
 
         public ApplicationSettings ApplicationSettings { get; private set; }
 
+        public IApplicationView ApplicationView { get; }
+
         public TabTheme BackgroundTabTheme
         {
             // The effective background theme depends on whether it is selected (use the theme), or if it is inactive
             // (if we're set to underline inactive tabs, use the null theme).
             get => IsSelected || (!IsSelected && ApplicationSettings.InactiveTabColorMode == InactiveTabColorMode.Background) ?
                 _tabTheme :
-                _settingsService.GetTabThemes().FirstOrDefault(t => t.Color == null);
+                SettingsService.GetTabThemes().FirstOrDefault(t => t.Color == null);
         }
 
+        public IClipboardService ClipboardService { get; }
+
         public RelayCommand CloseCommand { get; }
 
         public RelayCommand CloseSearchPanelCommand { get; }
 
-        public string DefaultTitle { get; private set; } = string.Empty;
+        public IDialogService DialogService { get; }
 
         public IAsyncCommand EditTitleCommand { get; }
 
@@ -108,8 +110,6 @@ namespace FluentTerminal.App.ViewModels
 
         public RelayCommand FindPreviousCommand { get; }
 
-        public bool Initialized { get; private set; }
-
         public bool IsSelected
         {
             get => _isSelected;
@@ -119,8 +119,8 @@ namespace FluentTerminal.App.ViewModels
                 {
                     if (IsSelected)
                     {
-                        _applicationView.Title = Title;
+                        ApplicationView.Title = Title ?? string.Empty;
-                        _applicationView.RunOnDispatcherThread(() => NewOutput = false);
+                        NewOutput = false;
                     }
                     RaisePropertyChanged(nameof(IsUnderlined));
                     RaisePropertyChanged(nameof(BackgroundTabTheme));
@@ -151,6 +151,10 @@ namespace FluentTerminal.App.ViewModels
 
         public RelayCommand<string> SelectTabThemeCommand { get; }
 
+        public ISettingsService SettingsService { get; }
+
+        public ShellProfile ShellProfile { get; }
+
         public bool ShowResizeOverlay
         {
             get => _showResizeOverlay;
@@ -174,6 +178,8 @@ namespace FluentTerminal.App.ViewModels
             set => Set(ref _showSearchPanel, value);
         }
 
+        public string StartupDirectory { get; }
+
         public TabTheme TabTheme
         {
             get => _tabTheme;
@@ -187,6 +193,8 @@ namespace FluentTerminal.App.ViewModels
 
         public ObservableCollection<TabTheme> TabThemes { get; }
 
+        public Terminal Terminal { get; private set; }
+
         public TerminalTheme TerminalTheme
         {
             get => _terminalTheme;
@@ -198,134 +206,59 @@ namespace FluentTerminal.App.ViewModels
             get => _title;
             set
             {
-                value = string.IsNullOrWhiteSpace(value) ? DefaultTitle : value;
-
                 if (Set(ref _title, value) && IsSelected)
                 {
-                    _applicationView.Title = Title;
+                    ApplicationView.Title = Title;
                 }
             }
         }
 
-        public async Task CloseView()
+        public ITrayProcessCommunicationService TrayProcessCommunicationService { get; }
+
+        public Task Close()
         {
-            _terminalView.Close();
+            return Terminal.Close();
-            await _trayProcessCommunicationService.CloseTerminal(_terminalId).ConfigureAwait(true);
         }
 
         public void CopyText(string text)
         {
-            _clipboardService.SetText(text);
+            ClipboardService.SetText(text);
-        }
-
-        public Task FocusTerminal()
-        {
-            return _terminalView?.FocusTerminal();
         }
 
         public async Task EditTitle()
         {
-            var result = await _dialogService.ShowInputDialogAsync("Edit Title");
+            var result = await DialogService.ShowInputDialogAsync("Edit Title");
             if (result != null)
             {
                 Title = result;
             }
         }
 
-        public async Task OnViewIsReady(ITerminalView terminalView)
+        public void FocusTerminal()
         {
-            _terminalView = terminalView;
+            Activated?.Invoke(this, EventArgs.Empty);
-
-            var options = _settingsService.GetTerminalOptions();
-            var keyBindings = _settingsService.GetCommandKeyBindings();
-            var profiles = _settingsService.GetShellProfiles();
-
-            var settings = _settingsService.GetApplicationSettings();
-            var sessionType = SessionType.Unknown;
-            if (!_applicationView.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 7) || settings.AlwaysUseWinPty)
-            {
-                sessionType = SessionType.WinPty;
-            }
-            else
-            {
-                sessionType = SessionType.ConPty;
-            }
-
-            var size = await _terminalView.CreateTerminal(options, TerminalTheme.Colors, FlattenKeyBindings(keyBindings, profiles), sessionType).ConfigureAwait(true);
-
-            if (!string.IsNullOrWhiteSpace(_startupDirectory))
-            {
-                _shellProfile.WorkingDirectory = _startupDirectory;
-            }
-
-            var response = await _trayProcessCommunicationService.CreateTerminal(size, _shellProfile, sessionType).ConfigureAwait(true);
-
-            if (response.Success)
-            {
-                _terminalId = response.Id;
-                _terminalView.TerminalSizeChanged += OnTerminalSizeChanged;
-                _terminalView.TerminalTitleChanged += OnTerminalTitleChanged;
-                _terminalView.KeyboardCommandReceived += OnKeyboardCommandReceived;
-
-                _trayProcessCommunicationService.SubscribeForTerminalOutput(_terminalId, t =>
-                {
-                    _connectedEvent.Wait();
-                    _buffer.Write(t);
-                    if (!IsSelected && ApplicationSettings.ShowNewOutputIndicator)
-                    {
-                        _applicationView.RunOnDispatcherThread(() => NewOutput = true);
-                    }
-                });
-
-                DefaultTitle = response.ShellExecutableName;
-                Title = DefaultTitle;
-
-                var webSocketUrl = "ws://127.0.0.1:" + response.Id;
-                var webSocketServer = new WebSocketServer(webSocketUrl);
-                webSocketServer.Start(socket =>
-                {
-                    _webSocket = socket;
-                    _buffer = new InputBuffer(_webSocket.Send);
-                    socket.OnOpen = () => _connectedEvent.Set();
-                    socket.OnMessage = message => _trayProcessCommunicationService.WriteText(_terminalId, message);
-                });
-
-                await _terminalView.ConnectToSocket(webSocketUrl).ConfigureAwait(true);
-                Initialized = true;
-            }
-            else
-            {
-                await _dialogService.ShowMessageDialogAsnyc("Error", response.Error, DialogButton.OK).ConfigureAwait(true);
-            }
-
-            await FocusTerminal().ConfigureAwait(true);
         }
 
         private void CloseSearchPanel()
         {
             SearchText = string.Empty;
             ShowSearchPanel = false;
-            _terminalView.FocusTerminal();
+            FocusTerminal();
         }
 
-        private Task FindNext()
+        private void FindNext()
         {
-            return _terminalView.FindNext(SearchText);
+            FindNextRequested?.Invoke(this, SearchText);
         }
 
-        private Task FindPrevious()
+        private void FindPrevious()
         {
-            return _terminalView.FindPrevious(SearchText);
+            FindPreviousRequested?.Invoke(this, SearchText);
-        }
-
-        private IEnumerable<KeyBinding> FlattenKeyBindings(IDictionary<string, ICollection<KeyBinding>> commandKeyBindings, IEnumerable<ShellProfile> profiles)
-        {
-            return commandKeyBindings.Values.SelectMany(k => k).Concat(profiles.SelectMany(x => x.KeyBindings));
         }
 
         private async void OnApplicationSettingsChanged(object sender, ApplicationSettings e)
         {
-            await _applicationView.RunOnDispatcherThread(() =>
+            await ApplicationView.RunOnDispatcherThread(() =>
             {
                 ApplicationSettings = e;
                 RaisePropertyChanged(nameof(IsUnderlined));
@@ -335,73 +268,21 @@ namespace FluentTerminal.App.ViewModels
 
         private async void OnCurrentThemeChanged(object sender, Guid e)
         {
-            await _applicationView.RunOnDispatcherThread(async () =>
+            await ApplicationView.RunOnDispatcherThread(() =>
             {
                 // only change theme if not overwritten by profile
-                if (_shellProfile.TerminalThemeId == Guid.Empty)
+                if (ShellProfile.TerminalThemeId == Guid.Empty)
                 {
-                    var currentTheme = _settingsService.GetTheme(e);
+                    var currentTheme = SettingsService.GetTheme(e);
                     TerminalTheme = currentTheme;
-                    await _terminalView.ChangeTheme(currentTheme.Colors).ConfigureAwait(true);
+                    ThemeChanged?.Invoke(this, currentTheme);
                 }
             });
         }
 
-        private async void OnKeyBindingsChanged(object sender, EventArgs e)
+        private void OnKeyBindingsChanged(object sender, EventArgs e)
         {
-            var keyBindings = _settingsService.GetCommandKeyBindings();
+            KeyBindingsChanged?.Invoke(this, EventArgs.Empty);
-            var profiles = _settingsService.GetShellProfiles();
-            await _applicationView.RunOnDispatcherThread(async () =>
-            {
-                await _terminalView.ChangeKeyBindings(FlattenKeyBindings(keyBindings, profiles)).ConfigureAwait(false);
-            });
-        }
-
-        private async void OnKeyboardCommandReceived(object sender, string command)
-        {
-            switch (command)
-            {
-                case nameof(Command.Copy):
-                    {
-                        var selection = await _terminalView.GetSelection().ConfigureAwait(true);
-                        _clipboardService.SetText(selection);
-                        break;
-                    }
-                case nameof(Command.Paste):
-                    {
-                        string content = await _clipboardService.GetText().ConfigureAwait(true);
-                        if (content != null)
-                        {
-                            content = _shellProfile.TranslateLineEndings(content);
-                            await _trayProcessCommunicationService.WriteText(_terminalId, content).ConfigureAwait(true);
-                        }
-                        break;
-                    }
-                case nameof(Command.PasteWithoutNewlines):
-                    {
-                        string content = await _clipboardService.GetText().ConfigureAwait(true);
-                        if (content != null)
-                        {
-                            content = ShellProfile.NewlinePattern.Replace(content, string.Empty);
-                            await _trayProcessCommunicationService.WriteText(_terminalId, content).ConfigureAwait(true);
-                        }
-                        break;
-                    }
-                case nameof(Command.Search):
-                    {
-                        ShowSearchPanel = !ShowSearchPanel;
-                        if (ShowSearchPanel)
-                        {
-                            _terminalView.FocusSearchTextBox();
-                        }
-                        break;
-                    }
-                default:
-                    {
-                        _keyboardCommandService.SendCommand(command);
-                        break;
-                    }
-            }
         }
 
         private void OnResizeOverlayTimerFinished(object sender, object e)
@@ -410,36 +291,9 @@ namespace FluentTerminal.App.ViewModels
             ShowResizeOverlay = false;
         }
 
-        private void OnTerminalExited(object sender, int e)
+        private void OnTerminalOptionsChanged(object sender, TerminalOptions e)
         {
-            if (e == _terminalId)
+            OptionsChanged?.Invoke(this, e);
-            {
-                _applicationView.RunOnDispatcherThread(() => Closed?.Invoke(this, EventArgs.Empty));
-            }
-        }
-
-        private async void OnTerminalOptionsChanged(object sender, TerminalOptions e)
-        {
-            await _applicationView.RunOnDispatcherThread(async () =>
-            {
-                await _terminalView.ChangeOptions(e).ConfigureAwait(true);
-            });
-        }
-
-        private async void OnTerminalSizeChanged(object sender, TerminalSize e)
-        {
-            if (!Initialized)
-            {
-                return;
-            }
-            ResizeOverlayContent = $"{e.Columns} x {e.Rows}";
-            ShowResizeOverlay = true;
-            await _trayProcessCommunicationService.ResizeTerminal(_terminalId, e).ConfigureAwait(true);
-        }
-
-        private void OnTerminalTitleChanged(object sender, string e)
-        {
-            Title = e;
         }
 
         private void SelectTabTheme(string name)
@@ -447,11 +301,82 @@ namespace FluentTerminal.App.ViewModels
             TabTheme = TabThemes.FirstOrDefault(t => t.Name == name);
         }
 
+        private void Terminal_Closed(object sender, EventArgs e)
+        {
+            Closed?.Invoke(this, EventArgs.Empty);
+        }
+
+        private async void Terminal_KeyboardCommandReceived(object sender, string e)
+        {
+            switch (e)
+            {
+                case nameof(Command.Copy):
+                    {
+                        var selection = await Terminal.GetSelectedText().ConfigureAwait(true);
+                        ClipboardService.SetText(selection);
+                        break;
+                    }
+                case nameof(Command.Paste):
+                    {
+                        string content = await ClipboardService.GetText().ConfigureAwait(true);
+                        if (content != null)
+                        {
+                            content = ShellProfile.TranslateLineEndings(content);
+                            await Terminal.Write(content).ConfigureAwait(true);
+                        }
+                        break;
+                    }
+                case nameof(Command.PasteWithoutNewlines):
+                    {
+                        string content = await ClipboardService.GetText().ConfigureAwait(true);
+                        if (content != null)
+                        {
+                            content = ShellProfile.NewlinePattern.Replace(content, string.Empty);
+                            await Terminal.Write(content).ConfigureAwait(true);
+                        }
+                        break;
+                    }
+                case nameof(Command.Search):
+                    {
+                        ShowSearchPanel = !ShowSearchPanel;
+                        if (ShowSearchPanel)
+                        {
+                            SearchStarted?.Invoke(this, EventArgs.Empty);
+                        }
+                        break;
+                    }
+                default:
+                    {
+                        _keyboardCommandService.SendCommand(e);
+                        break;
+                    }
+            }
+        }
+
+        private void Terminal_OutputReceived(object sender, string e)
+        {
+            if (!IsSelected && ApplicationSettings.ShowNewOutputIndicator)
+            {
+                NewOutput = true;
+            }
+        }
+
+        private void Terminal_SizeChanged(object sender, TerminalSize e)
+        {
+            ResizeOverlayContent = $"{e.Columns} x {e.Rows}";
+            ShowResizeOverlay = true;
+        }
+
+        private void Terminal_TitleChanged(object sender, string e)
+        {
+            Title = e;
+        }
+
         private async Task TryClose()
         {
             if (ApplicationSettings.ConfirmClosingTabs)
             {
-                var result = await _dialogService.ShowMessageDialogAsnyc("Please confirm", "Are you sure you want to close this tab?", DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
+                var result = await DialogService.ShowMessageDialogAsnyc("Please confirm", "Are you sure you want to close this tab?", DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
 
                 if (result == DialogButton.Cancel)
                 {
@@ -459,8 +384,7 @@ namespace FluentTerminal.App.ViewModels
                 }
             }
 
-            await _trayProcessCommunicationService.CloseTerminal(_terminalId).ConfigureAwait(true);
+            await Close().ConfigureAwait(true);
-            Closed?.Invoke(this, EventArgs.Empty);
         }
     }
 }

FluentTerminal.App/App.xaml.cs

@@ -49,6 +49,8 @@ namespace FluentTerminal.App
 
             InitializeComponent();
 
+            UnhandledException += OnUnhandledException;
+
             var applicationDataContainers = new ApplicationDataContainers
             {
                 LocalSettings = new ApplicationDataContainerAdapter(ApplicationData.Current.LocalSettings),
@@ -93,6 +95,11 @@ namespace FluentTerminal.App
             _applicationSettings = _settingsService.GetApplicationSettings();
         }
 
+        private void OnUnhandledException(object sender, Windows.UI.Xaml.UnhandledExceptionEventArgs e)
+        {
+            System.Diagnostics.Debug.WriteLine(e.Exception.ToString());
+        }
+
         protected override async void OnActivated(IActivatedEventArgs args)
         {
             if (args is CommandLineActivatedEventArgs commandLineActivated)

FluentTerminal.App/FluentTerminal.App.csproj

@@ -183,9 +183,16 @@
     </Compile>
     <Compile Include="Views\NoValueTemplateSelector.cs" />
     <Compile Include="Views\TerminalThemeTemplateSelector.cs" />
+    <Compile Include="Views\ITerminalView.cs" />
     <Compile Include="Views\TerminalView.xaml.cs">
       <DependentUpon>TerminalView.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\VtNetCoreTerminalView.xaml.cs">
+      <DependentUpon>VtNetCoreTerminalView.xaml</DependentUpon>
+    </Compile>
+    <Compile Include="Views\XtermTerminalView.xaml.cs">
+      <DependentUpon>XtermTerminalView.xaml</DependentUpon>
+    </Compile>
   </ItemGroup>
   <ItemGroup>
     <AppxManifest Include="Package.appxmanifest">
@@ -350,6 +357,14 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Views\VtNetCoreTerminalView.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
+    <Page Include="Views\XtermTerminalView.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Autofac">
@@ -370,6 +385,9 @@
     <PackageReference Include="Newtonsoft.Json">
       <Version>11.0.2</Version>
     </PackageReference>
+    <PackageReference Include="VtNetCore">
+      <Version>1.0.15</Version>
+    </PackageReference>
     <PackageReference Include="Win2D.uwp">
       <Version>1.21.0</Version>
     </PackageReference>

FluentTerminal.App/Views/ITerminalView.cs

@@ -0,0 +1,17 @@
+using FluentTerminal.App.ViewModels;
+using FluentTerminal.Models;
+using System.Threading.Tasks;
+
+namespace FluentTerminal.App.Views
+{
+    public interface ITerminalView
+    {
+        Task ChangeTheme(TerminalTheme theme);
+        Task ChangeKeyBindings();
+        Task ChangeOptions(TerminalOptions options);
+        Task Initialize(TerminalViewModel viewModel);
+        Task FindNext(string searchText);
+        Task FindPrevious(string searchText);
+        Task FocusTerminal();
+    }
+}

FluentTerminal.App/Views/MainPage.xaml.cs

@@ -62,11 +62,11 @@ namespace FluentTerminal.App.Views
             }
         }
 
-        private async void OnWindowActivated(object sender, WindowActivatedEventArgs e)
+        private void OnWindowActivated(object sender, WindowActivatedEventArgs e)
         {
             if (e.WindowActivationState != CoreWindowActivationState.Deactivated && TerminalContainer.Content is TerminalView terminal)
             {
-                await terminal.FocusWebView().ConfigureAwait(true);
+                terminal.ViewModel.FocusTerminal();
             }
         }
 

FluentTerminal.App/Views/TerminalView.xaml

@@ -12,7 +12,7 @@
             <RowDefinition Height="*" />
             <RowDefinition Height="Auto" />
         </Grid.RowDefinitions>
-        <Grid x:Name="WebViewContainer" Grid.Row="0" />
+        <Grid x:Name="TerminalContainer" Grid.Row="0" />
         <Grid
             Grid.Row="0"
             Margin="12"
@@ -38,7 +38,7 @@
                 Name="SearchTextBox"
                 Width="300"
                 Margin="6,0,6,0"
-                KeyUp="SearchTextBox_KeyUp"
+                KeyUp="OnSearchTextBoxKeyUp"
                 PlaceholderText="Enter search term"
                 RelativePanel.RightOf="SearchLabel"
                 Text="{x:Bind ViewModel.SearchText, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />

FluentTerminal.App/Views/TerminalView.xaml.cs

@@ -1,248 +1,68 @@
-using FluentTerminal.App.Services;
+using FluentTerminal.App.ViewModels;
-using FluentTerminal.App.ViewModels;
-using FluentTerminal.Models;
-using FluentTerminal.Models.Enums;
-using FluentTerminal.RuntimeComponent.Enums;
-using FluentTerminal.RuntimeComponent.Interfaces;
-using FluentTerminal.RuntimeComponent.WebAllowedObjects;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Converters;
-using Newtonsoft.Json.Serialization;
 using System;
-using System.Collections.Concurrent;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-using Windows.ApplicationModel.Core;
-using Windows.Foundation;
 using Windows.System;
-using Windows.UI;
-using Windows.UI.Core;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 
 namespace FluentTerminal.App.Views
 {
-    public sealed partial class TerminalView : UserControl, ITerminalView, ITerminalEventListener
+    public sealed partial class TerminalView : UserControl
     {
-        private MenuFlyoutItem _copyMenuItem;
+        private readonly ITerminalView _terminalView;
-        private BlockingCollection<Action> _dispatcherJobs;
-        private readonly SemaphoreSlim _loaded;
-        private MenuFlyoutItem _pasteMenuItem;
-        private WebView _webView;
 
         public TerminalView(TerminalViewModel viewModel)
         {
             ViewModel = viewModel;
+            ViewModel.SearchStarted += OnSearchStarted;
+            ViewModel.Activated += OnActivated;
+            ViewModel.ThemeChanged += OnThemeChanged;
+            ViewModel.OptionsChanged += OnOptionsChanged;
+            ViewModel.KeyBindingsChanged += OnKeyBindingsChanged;
+            ViewModel.FindNextRequested += OnFindNextRequested;
+            ViewModel.FindPreviousRequested += OnFindPreviousRequested;
             InitializeComponent();
-            Loaded += OnLoaded;
+            //_terminalView = new XtermTerminalView();
-            _loaded = new SemaphoreSlim(0, 1);
+            _terminalView = new VtNetCoreTerminalView();
-
+            TerminalContainer.Children.Add((UIElement)_terminalView);
-            JsonConvert.DefaultSettings = () =>
+            _terminalView.Initialize(ViewModel);
-            {
-                var settings = new JsonSerializerSettings
-                {
-                    ContractResolver = new CamelCasePropertyNamesContractResolver(),
-                };
-                settings.Converters.Add(new StringEnumConverter(true));
-
-                return settings;
-            };
-
-            StartMediatorTask();
         }
 
-        public event EventHandler<string> KeyboardCommandReceived;
-
-        public event EventHandler<TerminalSize> TerminalSizeChanged;
-
-        public event EventHandler<string> TerminalTitleChanged;
-
         public TerminalViewModel ViewModel { get; }
 
-        public Task ChangeOptions(TerminalOptions options)
+        private async void OnActivated(object sender, EventArgs e)
         {
-            var serialized = JsonConvert.SerializeObject(options);
+            if (_terminalView != null)
-            return ExecuteScriptAsync($"changeOptions('{serialized}')");
-        }
-
-        public Task ChangeTheme(TerminalColors theme)
-        {
-            var serialized = JsonConvert.SerializeObject(theme);
-            return ExecuteScriptAsync($"changeTheme('{serialized}')");
-        }
-
-        public Task ChangeKeyBindings(IEnumerable<KeyBinding> keyBindings)
-        {
-            var serialized = JsonConvert.SerializeObject(keyBindings);
-            return ExecuteScriptAsync($"changeKeyBindings('{serialized}')");
-        }
-
-        public void Close()
-        {
-            _webView?.Navigate(new Uri("about:blank"));
-            _webView = null;
-        }
-
-        public Task ConnectToSocket(string url)
-        {
-            return ExecuteScriptAsync($"connectToWebSocket('{url}');");
-        }
-
-        public async Task<TerminalSize> CreateTerminal(TerminalOptions options, TerminalColors theme, IEnumerable<KeyBinding> keyBindings, SessionType sessionType)
-        {
-            var serializedOptions = JsonConvert.SerializeObject(options);
-            var serializedTheme = JsonConvert.SerializeObject(theme);
-            var serializedKeyBindings = JsonConvert.SerializeObject(keyBindings);
-            var size = await ExecuteScriptAsync($"createTerminal('{serializedOptions}', '{serializedTheme}', '{serializedKeyBindings}', '{sessionType}')").ConfigureAwait(true);
-            return JsonConvert.DeserializeObject<TerminalSize>(size);
-        }
-
-        public Task<string> ExecuteScriptAsync(string script)
-        {
-            try
             {
-                return _webView.InvokeScriptAsync("eval", new[] { script }).AsTask();
+                await _terminalView.FocusTerminal().ConfigureAwait(true);
-            }
-            catch (Exception e)
-            {
-                Debug.WriteLine($"Exception while running:\n \"{script}\"\n\n {e}");
-            }
-            return Task.FromResult(string.Empty);
-        }
-
-        public async Task FocusTerminal()
-        {
-            if (_webView != null)
-            {
-                _webView.Focus(FocusState.Programmatic);
-                await ExecuteScriptAsync("document.focus();").ConfigureAwait(true);
             }
         }
 
-        public async Task FocusWebView()
+        private async void OnFindNextRequested(object sender, string e)
         {
-            if (_webView != null)
+            await _terminalView.FindNext(e).ConfigureAwait(true);
-            {
-                _webView.Focus(FocusState.Programmatic);
-                await ExecuteScriptAsync("document.focus();").ConfigureAwait(true);
-            }
         }
 
-        public Task<string> GetSelection() => ExecuteScriptAsync("term.getSelection()");
+        private async void OnFindPreviousRequested(object sender, string e)
-
-        public void OnKeyboardCommand(string command)
         {
-            if (Enum.TryParse(command, true, out Command commandValue))
+            await _terminalView.FindPrevious(e).ConfigureAwait(true);
-            {
-                _dispatcherJobs.Add(() => KeyboardCommandReceived?.Invoke(this, commandValue.ToString()));
-            }
-            else if (Guid.TryParse(command, out Guid shellProfileId))
-            {
-                _dispatcherJobs.Add(() => KeyboardCommandReceived?.Invoke(this, shellProfileId.ToString()));
-            }
         }
 
-        public void OnTerminalResized(int columns, int rows)
+        private async void OnKeyBindingsChanged(object sender, EventArgs e)
         {
-            _dispatcherJobs.Add(() => TerminalSizeChanged?.Invoke(this, new TerminalSize { Columns = columns, Rows = rows }));
+            await _terminalView.ChangeKeyBindings().ConfigureAwait(true);
         }
 
-        public void OnTitleChanged(string title)
+        private async void OnOptionsChanged(object sender, Models.TerminalOptions e)
         {
-            _dispatcherJobs.Add(() => TerminalTitleChanged?.Invoke(this, title));
+            await _terminalView.ChangeOptions(e).ConfigureAwait(true);
         }
 
-        public Task FindNext(string searchText)
+        private void OnSearchStarted(object sender, EventArgs e)
         {
-            return ExecuteScriptAsync($"findNext('{searchText}')");
+            SearchTextBox.Focus(FocusState.Programmatic);
         }
 
-        public Task FindPrevious(string searchText)
+        private void OnSearchTextBoxKeyUp(object sender, Windows.UI.Xaml.Input.KeyRoutedEventArgs e)
-        {
-            return ExecuteScriptAsync($"findPrevious('{searchText}')");
-        }
-
-        private void _webView_NavigationCompleted(WebView sender, WebViewNavigationCompletedEventArgs args)
-        {
-            _loaded.Release();
-        }
-
-        private void _webView_NavigationStarting(WebView sender, WebViewNavigationStartingEventArgs args)
-        {
-            var bridge = new TerminalBridge(this);
-            _webView.AddWebAllowedObject("terminalBridge", bridge);
-        }
-
-        private void Copy_Click(object sender, RoutedEventArgs e)
-        {
-            OnKeyboardCommand(nameof(Command.Copy));
-        }
-
-        private async void OnLoaded(object sender, RoutedEventArgs e)
-        {
-            if (WebViewContainer.Children.Any())
-            {
-                return;
-            }
-
-            _webView = new WebView(WebViewExecutionMode.SeparateThread)
-            {
-                DefaultBackgroundColor = Colors.Transparent
-            };
-            WebViewContainer.Children.Add(_webView);
-
-            _webView.NavigationCompleted += _webView_NavigationCompleted;
-            _webView.NavigationStarting += _webView_NavigationStarting;
-
-            _copyMenuItem = new MenuFlyoutItem { Text = "Copy" };
-            _copyMenuItem.Click += Copy_Click;
-
-            _pasteMenuItem = new MenuFlyoutItem { Text = "Paste" };
-            _pasteMenuItem.Click += Paste_Click;
-
-            _webView.ContextFlyout = new MenuFlyout
-            {
-                Items = { _copyMenuItem, _pasteMenuItem }
-            };
-
-            _webView.Navigate(new Uri("ms-appx-web:///Client/index.html"));
-
-            await _loaded.WaitAsync().ConfigureAwait(true);
-
-            _webView.Focus(FocusState.Programmatic);
-
-            await ViewModel.OnViewIsReady(this).ConfigureAwait(true);
-        }
-
-        private void Paste_Click(object sender, RoutedEventArgs e)
-        {
-            OnKeyboardCommand(nameof(Command.Paste));
-        }
-
-        private void StartMediatorTask()
-        {
-            _dispatcherJobs = new BlockingCollection<Action>();
-            var dispatcher = CoreApplication.GetCurrentView().CoreWindow.Dispatcher;
-            Task.Run(async () =>
-            {
-                foreach (var job in _dispatcherJobs.GetConsumingEnumerable())
-                {
-                    try
-                    {
-                        await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => job.Invoke());
-                    }
-                    catch (Exception e)
-                    {
-                        Debug.WriteLine(e);
-                    }
-                }
-            });
-        }
-
-        private void SearchTextBox_KeyUp(object sender, Windows.UI.Xaml.Input.KeyRoutedEventArgs e)
         {
             if (e.Key == VirtualKey.Escape)
             {
@@ -254,57 +74,9 @@ namespace FluentTerminal.App.Views
             }
         }
 
-        public void FocusSearchTextBox()
+        private async void OnThemeChanged(object sender, Models.TerminalTheme e)
         {
-            SearchTextBox.Focus(FocusState.Programmatic);
+            await _terminalView.ChangeTheme(e).ConfigureAwait(true);
-        }
-
-        public void OnMouseClick(MouseButton mouseButton, int x, int y, bool hasSelection)
-        {
-            _dispatcherJobs.Add(() =>
-            {
-                if (mouseButton == MouseButton.Middle)
-                {
-                    if (ViewModel.ApplicationSettings.MouseMiddleClickAction == MouseAction.ContextMenu)
-                    {
-                        ShowContextMenu(x, y, hasSelection);
-                    }
-                    else if (ViewModel.ApplicationSettings.MouseMiddleClickAction == MouseAction.Paste)
-                    {
-                        OnKeyboardCommand(nameof(Command.Paste));
-                    }
-                }
-                else if (mouseButton == MouseButton.Right)
-                {
-                    if (ViewModel.ApplicationSettings.MouseRightClickAction == MouseAction.ContextMenu)
-                    {
-                        ShowContextMenu(x, y, hasSelection);
-                    }
-                    else if (ViewModel.ApplicationSettings.MouseRightClickAction == MouseAction.Paste)
-                    {
-                        OnKeyboardCommand(nameof(Command.Paste));
-                    }
-                }
-            });
-        }
-
-        public async void OnSelectionChanged(string selection)
-        {
-            if (ViewModel.ApplicationSettings.CopyOnSelect && !ViewModel.ShowSearchPanel)
-            {
-                _dispatcherJobs.Add(async () =>
-                {
-                    ViewModel.CopyText(selection);
-                    await ExecuteScriptAsync("term.clearSelection()");
-                });
-            }
-        }
-
-        private void ShowContextMenu(int x, int y, bool terminalHasSelection)
-        {
-            var flyout = (MenuFlyout)_webView.ContextFlyout;
-            _copyMenuItem.IsEnabled = terminalHasSelection;
-            flyout.ShowAt(_webView, new Point(x, y));
         }
     }
 }

FluentTerminal.App/Views/VtNetCoreTerminalView.xaml

@@ -0,0 +1,15 @@
+<UserControl
+    x:Class="FluentTerminal.App.Views.VtNetCoreTerminalView"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:canvas="using:Microsoft.Graphics.Canvas.UI.Xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    d:DesignHeight="300"
+    d:DesignWidth="400"
+    IsTabStop="True"
+    mc:Ignorable="d">
+    <Grid>
+        <canvas:CanvasControl x:Name="Canvas" ClearColor="Transparent" />
+    </Grid>
+</UserControl>

FluentTerminal.App/Views/VtNetCoreTerminalView.xaml.cs

@@ -0,0 +1,660 @@
+using FluentTerminal.App.ViewModels;
+using FluentTerminal.Models;
+using FluentTerminal.Models.Enums;
+using Microsoft.Graphics.Canvas;
+using Microsoft.Graphics.Canvas.Text;
+using Microsoft.Graphics.Canvas.UI.Xaml;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Numerics;
+using System.Text;
+using System.Threading.Tasks;
+using VtNetCore.VirtualTerminal;
+using VtNetCore.VirtualTerminal.Layout;
+using VtNetCore.XTermParser;
+using Windows.ApplicationModel.DataTransfer;
+using Windows.Foundation;
+using Windows.UI;
+using Windows.UI.Core;
+using Windows.UI.Text;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Input;
+using Windows.UI.Xaml.Media;
+
+namespace FluentTerminal.App.Views
+{
+    public sealed partial class VtNetCoreTerminalView : UserControl, ITerminalView
+    {
+        private readonly int _blinkHideMs = 300;
+        private readonly int _blinkShowMs = 600;
+        private readonly DataConsumer _consumer;
+        private readonly VirtualTerminalController _terminal;
+        private readonly DispatcherTimer blinkDispatcher;
+        private double _characterHeight = -1;
+        private double _characterWidth = -1;
+        private int _columns = -1;
+        private TextPosition _mouseOver = new TextPosition();
+        private int _rows = -1;
+        private bool _scrolling;
+        private bool _selecting;
+
+        private TextRange _textSelection;
+
+        public VtNetCoreTerminalView()
+        {
+            this.InitializeComponent();
+
+            _terminal = new VirtualTerminalController();
+            _consumer = new DataConsumer(_terminal);
+            ViewTop = _terminal.ViewPort.TopRow;
+            _terminal.SendData += OnSendData;
+
+            blinkDispatcher = new DispatcherTimer();
+            blinkDispatcher.Tick += BlinkTimerHandler;
+            blinkDispatcher.Interval = TimeSpan.FromMilliseconds(Math.Min(150, GCD(_blinkShowMs, _blinkHideMs)));
+            blinkDispatcher.Start();
+
+            Canvas.Draw += OnDraw;
+
+            KeyDown += TerminalKeyDown;
+            Tapped += OnTapped;
+            GotFocus += TerminalGotFocus;
+            LostFocus += TerminalLostFocus;
+            PointerWheelChanged += OnWheelChanged;
+            PointerMoved += TerminalPointerMoved;
+            PointerExited += TerminalPointerExited;
+            PointerPressed += TerminalPointerPressed;
+            PointerReleased += TerminalPointerReleased;
+        }
+
+        public int MaxScrollValue => _terminal.ViewPort.TopRow;
+
+        public TextPosition MousePressedAt { get; set; }
+
+        public int ScrollValue
+        {
+            get { return ViewTop; }
+            set
+            {
+                _scrolling = true;
+                ViewTop = value;
+                Canvas.Invalidate();
+            }
+        }
+
+        public TerminalViewModel ViewModel { get; private set; }
+        public int ViewTop { get; set; }
+
+        public Task ChangeKeyBindings()
+        {
+            return Task.CompletedTask;
+        }
+
+        public Task ChangeOptions(TerminalOptions options)
+        {
+            return Task.CompletedTask;
+        }
+
+        public Task ChangeTheme(TerminalTheme theme)
+        {
+            return Task.CompletedTask;
+        }
+
+        public Task FindNext(string searchText)
+        {
+            return Task.CompletedTask;
+        }
+
+        public Task FindPrevious(string searchText)
+        {
+            return Task.CompletedTask;
+        }
+
+        public Task FocusTerminal()
+        {
+            return Task.CompletedTask;
+        }
+
+        public Color GetSolidColorBrush(string hex)
+        {
+            byte a = 255; // (byte)(Convert.ToUInt32(hex.Substring(0, 2), 16));
+            byte r = (byte)(Convert.ToUInt32(hex.Substring(1, 2), 16));
+            byte g = (byte)(Convert.ToUInt32(hex.Substring(3, 2), 16));
+            byte b = (byte)(Convert.ToUInt32(hex.Substring(5, 2), 16));
+            return Color.FromArgb(a, r, g, b);
+        }
+
+        public async Task Initialize(TerminalViewModel viewModel)
+        {
+            ViewModel = viewModel;
+
+            ViewModel.Terminal.OutputReceived += Terminal_OutputReceived;
+            ViewModel.Terminal.Closed += Terminal_Closed;
+            ViewModel.Terminal.RegisterSelectedTextCallback(() => Task.FromResult(_terminal.GetText(_textSelection.Start.Column, _textSelection.Start.Row, _textSelection.End.Column, _textSelection.End.Row)));
+
+            _terminal.WindowTitleChanged += OnWindowTitleChanged;
+            _terminal.SizeChanged += OnSizeChanged;
+
+            var settings = ViewModel.SettingsService.GetApplicationSettings();
+            var options = ViewModel.SettingsService.GetTerminalOptions();
+
+            Canvas.FontFamily = new FontFamily(options.FontFamily);
+            Canvas.FontSize = options.FontSize;
+            Canvas.Margin = new Thickness(options.Padding, options.Padding, options.Padding, options.Padding);
+
+            var sessionType = SessionType.Unknown;
+            if (settings.AlwaysUseWinPty || !ViewModel.ApplicationView.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 7))
+            {
+                sessionType = SessionType.WinPty;
+            }
+            else
+            {
+                sessionType = SessionType.ConPty;
+            }
+
+            await ViewModel.Terminal.StartShellProcess(ViewModel.ShellProfile, new TerminalSize { Columns = 80, Rows = 30 }, sessionType).ConfigureAwait(true);
+        }
+
+        private void BlinkTimerHandler(object sender, object e)
+        {
+            Canvas.Invalidate();
+        }
+
+        private bool BlinkVisible()
+        {
+            var blinkCycle = _blinkShowMs + _blinkHideMs;
+
+            return (DateTime.Now.Subtract(DateTime.MinValue).Milliseconds % blinkCycle) < _blinkHideMs;
+        }
+
+        private bool ControlPressed()
+        {
+            return (Window.Current.CoreWindow.GetKeyState(Windows.System.VirtualKey.Control) & CoreVirtualKeyStates.Down) != 0;
+        }
+
+        private void CoreWindow_CharacterReceived(CoreWindow sender, CharacterReceivedEventArgs args)
+        {
+            var ch = char.ConvertFromUtf32((int)args.KeyCode);
+
+            // Since I get the same key twice in TerminalKeyDown and in CoreWindow_CharacterReceived
+            // I lookup whether KeyPressed should handle the key here or there.
+            var code = _terminal.GetKeySequence(ch, false, false);
+            if (code == null)
+            {
+                args.Handled = _terminal.KeyPressed(ch, false, false);
+            }
+        }
+
+        private long GCD(long a, long b)
+        {
+            a = Math.Abs(a);
+            b = Math.Abs(b);
+
+            // Pull out remainders.
+            for (; ; )
+            {
+                long remainder = a % b;
+                if (remainder == 0) return b;
+                a = b;
+                b = remainder;
+            };
+        }
+
+        private void OnDraw(CanvasControl sender, CanvasDrawEventArgs args)
+        {
+            var drawingSession = args.DrawingSession;
+
+            var textFormat =
+                new CanvasTextFormat
+                {
+                    FontSize = Convert.ToSingle(Canvas.FontSize),
+                    FontFamily = Canvas.FontFamily.Source,
+                    FontWeight = Canvas.FontWeight,
+                    WordWrapping = CanvasWordWrapping.NoWrap
+                };
+
+            ProcessTextFormat(drawingSession, textFormat);
+
+            var showBlink = BlinkVisible();
+            var spans = default(List<LayoutRow>);
+            var cursorPosition = default(TextPosition);
+            var showCursor = false;
+            var cursorColor = Colors.Green;
+            var TerminalTop = -1;
+
+            lock (_terminal)
+            {
+                TerminalTop = _terminal.ViewPort.TopRow;
+
+                if (_terminal.ViewPort.CursorPosition.Row > _rows)
+                {
+                    throw new Exception("We should never be here");
+                }
+
+                spans = _terminal.ViewPort.GetPageSpans(ViewTop, _rows, _columns, _textSelection);
+                showCursor = _terminal.CursorState.ShowCursor;
+                cursorPosition = _terminal.ViewPort.CursorPosition.Clone();
+                cursorColor = GetSolidColorBrush(_terminal.CursorState.Attributes.WebColor);
+            }
+
+            if (!_scrolling && ViewTop != TerminalTop)
+            {
+                ViewTop = TerminalTop;
+            }
+
+            var defaultTransform = drawingSession.Transform;
+
+            PaintBackgroundLayer(drawingSession, spans);
+
+            PaintTextLayer(drawingSession, spans, textFormat, showBlink);
+
+            if (showCursor)
+            {
+                PaintCursor(drawingSession, spans, textFormat, cursorPosition.OffsetBy(0, TerminalTop - ViewTop), cursorColor);
+            }
+
+            drawingSession.Transform = defaultTransform;
+        }
+
+        private void OnSendData(object sender, SendDataEventArgs e)
+        {
+            ViewModel.Terminal.Write(Encoding.UTF8.GetString(e.Data));
+        }
+
+        private async void OnSizeChanged(object sender, SizeEventArgs args)
+        {
+            await ViewModel.Terminal.SetSize(new TerminalSize { Rows = args.Height, Columns = args.Width }).ConfigureAwait(true);
+        }
+
+        private void OnWindowTitleChanged(object sender, TextEventArgs args)
+        {
+            ViewModel.Terminal.SetTitle(args.Text);
+        }
+
+        private void PaintBackgroundLayer(CanvasDrawingSession drawingSession, List<LayoutRow> spans)
+        {
+            double lineY = 0;
+            foreach (var textRow in spans)
+            {
+                drawingSession.Transform =
+                    Matrix3x2.CreateScale(
+                        (float)(textRow.DoubleWidth ? 2.0 : 1.0),  // Scale double width
+                        (float)(textRow.DoubleHeightBottom | textRow.DoubleHeightTop ? 2.0 : 1.0) // Scale double high
+                    );
+
+                var drawY =
+                    (lineY - (textRow.DoubleHeightBottom ? _characterHeight : 0)) *      // Offset position upwards for bottom of double high char
+                    ((textRow.DoubleHeightBottom | textRow.DoubleHeightTop) ? 0.5 : 1.0); // Scale position for double height
+
+                double drawX = 0;
+                foreach (var textSpan in textRow.Spans)
+                {
+                    var bounds =
+                        new Rect(
+                            drawX,
+                            drawY,
+                            _characterWidth * (textSpan.Text.Length) + 0.9,
+                            _characterHeight + 0.9
+                        );
+
+                    if (textSpan.BackgroundColor != "#000000") // todo set theme
+                    {
+                        drawingSession.FillRectangle(bounds, GetSolidColorBrush(textSpan.BackgroundColor));
+                    }
+
+
+                    drawX += _characterWidth * (textSpan.Text.Length);
+                }
+
+                lineY += _characterHeight;
+            }
+        }
+
+        private void PaintCursor(CanvasDrawingSession drawingSession, List<LayoutRow> spans, CanvasTextFormat textFormat, TextPosition cursorPosition, Color cursorColor)
+        {
+            var cursorY = cursorPosition.Row;
+            if (cursorY < 0 || cursorY >= _rows)
+                return;
+
+            var drawX = cursorPosition.Column * _characterWidth;
+            var drawY = (cursorY * _characterHeight);
+
+            if (cursorY < spans.Count)
+            {
+                var textRow = spans[cursorY];
+
+                drawingSession.Transform =
+                    Matrix3x2.CreateTranslation(
+                        1.0f,
+                        (float)(textRow.DoubleHeightBottom ? -_characterHeight : 0)
+                    ) *
+                    Matrix3x2.CreateScale(
+                        (float)(textRow.DoubleWidth ? 2.0 : 1.0),
+                        (float)(textRow.DoubleHeightBottom | textRow.DoubleHeightTop ? 2.0 : 1.0)
+                    );
+
+                drawY *= (textRow.DoubleHeightBottom | textRow.DoubleHeightTop) ? 0.5 : 1.0;
+            }
+
+            var cursorRect = new Rect(
+                drawX,
+                drawY,
+                _characterWidth,
+                _characterHeight + 0.9
+            );
+
+            drawingSession.DrawRectangle(cursorRect, cursorColor);
+        }
+
+        private void PaintTextLayer(CanvasDrawingSession drawingSession, List<LayoutRow> spans, CanvasTextFormat textFormat, bool showBlink)
+        {
+            var dipToDpiRatio = Windows.Graphics.Display.DisplayInformation.GetForCurrentView().LogicalDpi / 96;
+
+            double lineY = 0;
+            foreach (var textRow in spans)
+            {
+                drawingSession.Transform =
+                    Matrix3x2.CreateScale(
+                        (float)(textRow.DoubleWidth ? 2.0 : 1.0),  // Scale double width
+                        (float)(textRow.DoubleHeightBottom | textRow.DoubleHeightTop ? 2.0 : 1.0) // Scale double high
+                    );
+
+                var drawY =
+                    (lineY - (textRow.DoubleHeightBottom ? _characterHeight : 0)) *      // Offset position upwards for bottom of double high char
+                    ((textRow.DoubleHeightBottom | textRow.DoubleHeightTop) ? 0.5 : 1.0); // Scale position for double height
+
+                double drawX = 0;
+                foreach (var textSpan in textRow.Spans)
+                {
+                    var runWidth = _characterWidth * (textSpan.Text.Length);
+
+                    if (textSpan.Hidden || (textSpan.Blink && !showBlink))
+                    {
+                        drawX += runWidth;
+                        continue;
+                    }
+
+                    var color = GetSolidColorBrush(textSpan.ForgroundColor);
+                    textFormat.FontWeight = textSpan.Bold ? FontWeights.Bold : FontWeights.Light;
+
+                    var textLayout = new CanvasTextLayout(drawingSession, textSpan.Text, textFormat, 0.0f, 0.0f);
+                    drawingSession.DrawTextLayout(textLayout, (float)drawX, (float)drawY, color);
+
+                    if (textSpan.Underline)
+                    {
+                        // TODO : Come up with a better means of identifying line weight and offset
+                        var underlineOffset = textLayout.LineMetrics[0].Baseline * dipToDpiRatio * 1.07;
+
+                        drawingSession.DrawLine(new Vector2((float)drawX, (float)(drawY + underlineOffset)), new Vector2((float)(drawX + runWidth), (float)(drawY + underlineOffset)), color);
+                    }
+
+                    drawX += _characterWidth * (textSpan.Text.Length);
+                }
+
+                lineY += _characterHeight;
+            }
+        }
+
+        private void ProcessTextFormat(CanvasDrawingSession drawingSession, CanvasTextFormat format)
+        {
+            CanvasTextLayout textLayout = new CanvasTextLayout(drawingSession, "\u2560", format, 0.0f, 0.0f);
+            if (_characterWidth != textLayout.DrawBounds.Width || _characterHeight != textLayout.DrawBounds.Height)
+            {
+                _characterWidth = textLayout.DrawBounds.Width;
+                _characterHeight = textLayout.DrawBounds.Height;
+            }
+
+            int columns = Convert.ToInt32(Math.Floor(Canvas.RenderSize.Width / _characterWidth));
+            int rows = Convert.ToInt32(Math.Floor(Canvas.RenderSize.Height / _characterHeight));
+            if (_columns != columns || _rows != rows)
+            {
+                _columns = columns;
+                _rows = rows;
+                ViewModel.Terminal.SetSize(new TerminalSize { Columns = columns, Rows = rows });
+            }
+        }
+
+        private bool ShiftPressed()
+        {
+            return (Window.Current.CoreWindow.GetKeyState(Windows.System.VirtualKey.Shift) & CoreVirtualKeyStates.Down) != 0;
+        }
+
+        private void Terminal_Closed(object sender, EventArgs e)
+        {
+        }
+
+        private void Terminal_OutputReceived(object sender, string e)
+        {
+            var oldTopRow = _terminal.ViewPort.TopRow;
+
+            _consumer.Push(Encoding.UTF8.GetBytes(e));
+
+            if (_terminal.Changed)
+            {
+                _terminal.ClearChanges();
+
+                if (oldTopRow != _terminal.ViewPort.TopRow && oldTopRow >= ViewTop)
+                {
+                    ViewTop = _terminal.ViewPort.TopRow;
+                }
+
+                Canvas.Invalidate();
+            }
+        }
+
+        private void TerminalGotFocus(object sender, RoutedEventArgs e)
+        {
+            Window.Current.CoreWindow.CharacterReceived += CoreWindow_CharacterReceived;
+
+            _terminal?.FocusIn();
+        }
+
+        private void TerminalKeyDown(object sender, KeyRoutedEventArgs e)
+        {
+            _scrolling = false;
+
+            // Since I get the same key twice in TerminalKeyDown and in CoreWindow_CharacterReceived
+            // I lookup whether KeyPressed should handle the key here or there.
+            var code = _terminal.GetKeySequence(e.Key.ToString(), ControlPressed(), ShiftPressed());
+            if (code != null)
+                e.Handled = _terminal.KeyPressed(e.Key.ToString(), ControlPressed(), ShiftPressed());
+
+            if (ViewTop != _terminal.ViewPort.TopRow)
+            {
+                ViewTop = _terminal.ViewPort.TopRow;
+                Canvas.Invalidate();
+            }
+        }
+
+        private void TerminalLostFocus(object sender, RoutedEventArgs e)
+        {
+            Window.Current.CoreWindow.CharacterReceived -= CoreWindow_CharacterReceived;
+            _terminal?.FocusOut();
+        }
+
+        private void TerminalPointerExited(object sender, PointerRoutedEventArgs e)
+        {
+            _mouseOver = null;
+            Canvas.Invalidate();
+        }
+
+        private void TerminalPointerMoved(object sender, PointerRoutedEventArgs e)
+        {
+            var pointer = e.GetCurrentPoint(Canvas);
+            var position = PointToTextPosition(pointer.Position);
+
+            var textPosition = position.OffsetBy(0, ViewTop);
+
+            if ((_terminal.UseAllMouseTracking || _terminal.CellMotionMouseTracking) && position.Column >= 0 && position.Row >= 0 && position.Column < _columns && position.Row < _rows)
+            {
+                var button =
+                    pointer.Properties.IsLeftButtonPressed ? 0 :
+                        pointer.Properties.IsRightButtonPressed ? 1 :
+                            pointer.Properties.IsMiddleButtonPressed ? 2 :
+                            3;  // No button
+
+                _terminal.MouseMove(position.Column, position.Row, button, ControlPressed(), ShiftPressed());
+
+                if (button == 3 && !_terminal.UseAllMouseTracking)
+                {
+                    return;
+                }
+            }
+
+            if (_mouseOver != null && _mouseOver == position)
+            {
+                return;
+            }
+
+            _mouseOver = position;
+
+            if (pointer.Properties.IsLeftButtonPressed && MousePressedAt != null)
+            {
+                TextRange newSelection;
+
+                if (MousePressedAt != textPosition)
+                {
+                    if (MousePressedAt <= textPosition)
+                    {
+                        newSelection = new TextRange
+                        {
+                            Start = MousePressedAt,
+                            End = textPosition.OffsetBy(-1, 0)
+                        };
+                    }
+                    else
+                    {
+                        newSelection = new TextRange
+                        {
+                            Start = textPosition,
+                            End = MousePressedAt
+                        };
+                    }
+
+                    _selecting = true;
+
+                    if (_textSelection != newSelection)
+                    {
+                        _textSelection = newSelection;
+                        Canvas.Invalidate();
+                    }
+                }
+            }
+        }
+
+        private void TerminalPointerPressed(object sender, PointerRoutedEventArgs e)
+        {
+            var pointer = e.GetCurrentPoint(Canvas);
+            var position = PointToTextPosition(pointer.Position);
+
+            var textPosition = position.OffsetBy(0, ViewTop);
+
+            if (!_terminal.MouseTrackingEnabled)
+            {
+                if (pointer.Properties.IsLeftButtonPressed)
+                    MousePressedAt = textPosition;
+                //else if (pointer.Properties.IsRightButtonPressed)
+                //PasteClipboard();
+            }
+
+            if (position.Column >= 0 && position.Row >= 0 && position.Column < _columns && position.Row < _rows)
+            {
+                var button =
+                    pointer.Properties.IsLeftButtonPressed ? 0 :
+                        pointer.Properties.IsRightButtonPressed ? 1 :
+                            pointer.Properties.IsMiddleButtonPressed ? 2 :
+                                3;  // No button
+
+                _terminal.MousePress(position.Column, position.Row, button, ControlPressed(), ShiftPressed());
+            }
+        }
+
+        private void TerminalPointerReleased(object sender, PointerRoutedEventArgs e)
+        {
+            var pointer = e.GetCurrentPoint(Canvas);
+            var position = PointToTextPosition(pointer.Position);
+            var textPosition = position.OffsetBy(0, ViewTop);
+
+            if (!pointer.Properties.IsLeftButtonPressed)
+            {
+                if (_selecting)
+                {
+                    MousePressedAt = null;
+                    _selecting = false;
+
+                    var captured = _terminal.GetText(_textSelection.Start.Column, _textSelection.Start.Row, _textSelection.End.Column, _textSelection.End.Row);
+
+                    var dataPackage = new DataPackage();
+                    dataPackage.SetText(captured);
+                    dataPackage.Properties.EnterpriseId = "FluentTerminal";
+                    try
+                    {
+                        Clipboard.SetContent(dataPackage);
+                    }
+                    catch (Exception exception)
+                    {
+                        Debug.WriteLine("Failed to post to clipboard: " + exception.Message);
+                    }
+                }
+                else
+                {
+                    _textSelection = null;
+                    Canvas.Invalidate();
+                }
+            }
+
+            if (position.Column >= 0 && position.Row >= 0 && position.Column < _columns && position.Row < _rows)
+            {
+                _terminal.MouseRelease(position.Column, position.Row, ControlPressed(), ShiftPressed());
+            }
+        }
+
+        private void OnTapped(object sender, TappedRoutedEventArgs e)
+        {
+            Focus(FocusState.Pointer);
+        }
+
+        private void OnWheelChanged(object sender, PointerRoutedEventArgs e)
+        {
+            var pointer = e.GetCurrentPoint(Canvas);
+
+            int oldViewTop = ViewTop;
+
+            ViewTop -= pointer.Properties.MouseWheelDelta / 40;
+            _scrolling = true;
+
+            if (ViewTop < 0)
+            {
+                ViewTop = 0;
+            }
+            else if (ViewTop > _terminal.ViewPort.TopRow)
+            {
+                ViewTop = _terminal.ViewPort.TopRow;
+            }
+
+            if (oldViewTop != ViewTop)
+            {
+                Canvas.Invalidate();
+            }
+        }
+
+        private TextPosition PointToTextPosition(Point point)
+        {
+            var overColumn = (int)Math.Floor(point.X / _characterWidth);
+            if (overColumn >= _columns)
+            {
+                overColumn = _columns - 1;
+            }
+
+            var overRow = (int)Math.Floor(point.Y / _characterHeight);
+            if (overRow >= _rows)
+            {
+                overRow = _rows - 1;
+            }
+
+            return new TextPosition { Column = overColumn, Row = overRow };
+        }
+    }
+}

FluentTerminal.App/Views/XtermTerminalView.xaml

@@ -0,0 +1,12 @@
+<UserControl
+    x:Class="FluentTerminal.App.Views.XtermTerminalView"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:local="using:FluentTerminal.App.Views"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    d:DesignHeight="300"
+    d:DesignWidth="400"
+    mc:Ignorable="d">
+    <Grid x:Name="Root" />
+</UserControl>

FluentTerminal.App/Views/XtermTerminalView.xaml.cs

@@ -0,0 +1,350 @@
+using Fleck;
+using FluentTerminal.App.ViewModels;
+using FluentTerminal.App.ViewModels.Utilities;
+using FluentTerminal.Models;
+using FluentTerminal.Models.Enums;
+using FluentTerminal.RuntimeComponent.Enums;
+using FluentTerminal.RuntimeComponent.Interfaces;
+using FluentTerminal.RuntimeComponent.WebAllowedObjects;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Serialization;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Windows.ApplicationModel.Core;
+using Windows.Foundation;
+using Windows.UI;
+using Windows.UI.Core;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+
+namespace FluentTerminal.App.Views
+{
+    public sealed partial class XtermTerminalView : UserControl, IxtermEventListener, ITerminalView
+    {
+        private readonly ManualResetEventSlim _connectedEvent;
+        private readonly SemaphoreSlim _loaded;
+        private bool _alreadyLoaded;
+        private InputBuffer _buffer;
+        private MenuFlyoutItem _copyMenuItem;
+        private BlockingCollection<Action> _dispatcherJobs;
+        private MenuFlyoutItem _pasteMenuItem;
+        private IWebSocketConnection _webSocket;
+        private WebView _webView;
+
+        public XtermTerminalView()
+        {
+            _loaded = new SemaphoreSlim(0, 1);
+            _connectedEvent = new ManualResetEventSlim(false);
+
+            JsonConvert.DefaultSettings = () =>
+            {
+                var settings = new JsonSerializerSettings
+                {
+                    ContractResolver = new CamelCasePropertyNamesContractResolver(),
+                };
+                settings.Converters.Add(new StringEnumConverter(true));
+
+                return settings;
+            };
+
+            InitializeComponent();
+
+            StartMediatorTask();
+
+            Loaded += XtermTerminalView_Loaded;
+            GotFocus += XtermTerminalView_GotFocus;
+        }
+
+        public TerminalViewModel ViewModel { get; private set; }
+
+        public Task ChangeKeyBindings()
+        {
+            var keyBindings = ViewModel.SettingsService.GetCommandKeyBindings();
+            var profiles = ViewModel.SettingsService.GetShellProfiles();
+            var serialized = JsonConvert.SerializeObject(FlattenKeyBindings(keyBindings, profiles));
+            return ExecuteScriptAsync($"changeKeyBindings('{serialized}')");
+        }
+
+        public Task ChangeOptions(TerminalOptions options)
+        {
+            var serialized = JsonConvert.SerializeObject(options);
+            return ExecuteScriptAsync($"changeOptions('{serialized}')");
+        }
+
+        public Task ChangeTheme(TerminalTheme theme)
+        {
+            var serialized = JsonConvert.SerializeObject(theme.Colors);
+            return ExecuteScriptAsync($"changeTheme('{serialized}')");
+        }
+
+        public Task FindNext(string searchText)
+        {
+            return ExecuteScriptAsync($"findNext('{searchText}')");
+        }
+
+        public Task FindPrevious(string searchText)
+        {
+            return ExecuteScriptAsync($"findPrevious('{searchText}')");
+        }
+
+        public async Task FocusTerminal()
+        {
+            if (_webView != null)
+            {
+                _webView.Focus(FocusState.Programmatic);
+                await ExecuteScriptAsync("document.focus();").ConfigureAwait(true);
+            }
+        }
+
+        public async Task Initialize(TerminalViewModel viewModel)
+        {
+            ViewModel = viewModel;
+            ViewModel.Terminal.OutputReceived += Terminal_OutputReceived;
+            ViewModel.Terminal.RegisterSelectedTextCallback(() => ExecuteScriptAsync("term.getSelection()"));
+            ViewModel.Terminal.Closed += Terminal_Closed;
+
+            var options = ViewModel.SettingsService.GetTerminalOptions();
+            var keyBindings = ViewModel.SettingsService.GetCommandKeyBindings();
+            var profiles = ViewModel.SettingsService.GetShellProfiles();
+            var settings = ViewModel.SettingsService.GetApplicationSettings();
+            var theme = ViewModel.TerminalTheme;
+            var sessionType = SessionType.Unknown;
+            if (settings.AlwaysUseWinPty || !ViewModel.ApplicationView.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 7))
+            {
+                sessionType = SessionType.WinPty;
+            }
+            else
+            {
+                sessionType = SessionType.ConPty;
+            }
+            await _loaded.WaitAsync().ConfigureAwait(true);
+            var size = await CreateXtermView(options, theme.Colors, FlattenKeyBindings(keyBindings, profiles), sessionType).ConfigureAwait(true);
+            var port = await ViewModel.TrayProcessCommunicationService.GetAvailablePort().ConfigureAwait(true);
+            await CreateWebSocketServer(port.Port).ConfigureAwait(true);
+            _connectedEvent.Wait();
+            await ViewModel.Terminal.StartShellProcess(ViewModel.ShellProfile, size, sessionType).ConfigureAwait(true);
+            _webView.Focus(FocusState.Programmatic);
+        }
+
+        void IxtermEventListener.OnKeyboardCommand(string command)
+        {
+            if (Enum.TryParse(command, true, out Command commandValue))
+            {
+                _dispatcherJobs.Add(() => ViewModel.Terminal.ProcessKeyboardCommand(commandValue.ToString()));
+            }
+            else if (Guid.TryParse(command, out Guid shellProfileId))
+            {
+                _dispatcherJobs.Add(() => ViewModel.Terminal.ProcessKeyboardCommand(shellProfileId.ToString()));
+            }
+        }
+
+        void IxtermEventListener.OnMouseClick(MouseButton mouseButton, int x, int y, bool hasSelection)
+        {
+            _dispatcherJobs.Add(() =>
+            {
+                if (mouseButton == MouseButton.Middle)
+                {
+                    if (ViewModel.ApplicationSettings.MouseMiddleClickAction == MouseAction.ContextMenu)
+                    {
+                        ShowContextMenu(x, y, hasSelection);
+                    }
+                    else if (ViewModel.ApplicationSettings.MouseMiddleClickAction == MouseAction.Paste)
+                    {
+                        ((IxtermEventListener)this).OnKeyboardCommand(nameof(Command.Paste));
+                    }
+                }
+                else if (mouseButton == MouseButton.Right)
+                {
+                    if (ViewModel.ApplicationSettings.MouseRightClickAction == MouseAction.ContextMenu)
+                    {
+                        ShowContextMenu(x, y, hasSelection);
+                    }
+                    else if (ViewModel.ApplicationSettings.MouseRightClickAction == MouseAction.Paste)
+                    {
+                        ((IxtermEventListener)this).OnKeyboardCommand(nameof(Command.Paste));
+                    }
+                }
+            });
+        }
+
+        void IxtermEventListener.OnSelectionChanged(string selection)
+        {
+            if (ViewModel.ApplicationSettings.CopyOnSelect && !ViewModel.ShowSearchPanel)
+            {
+                _dispatcherJobs.Add(async () =>
+                {
+                    ViewModel.CopyText(selection);
+                    await ExecuteScriptAsync("term.clearSelection()");
+                });
+            }
+        }
+
+        void IxtermEventListener.OnTerminalResized(int columns, int rows)
+        {
+            if (_connectedEvent.IsSet) // only propagate after xterm.js is finished with fitting
+            {
+                _dispatcherJobs.Add(async () => await ViewModel.Terminal.SetSize(new TerminalSize { Columns = columns, Rows = rows }).ConfigureAwait(true));
+            }
+        }
+
+        void IxtermEventListener.OnTitleChanged(string title)
+        {
+            _dispatcherJobs.Add(() => ViewModel.Terminal.SetTitle(title));
+        }
+
+        private void _webView_NavigationCompleted(WebView sender, WebViewNavigationCompletedEventArgs args)
+        {
+            _loaded.Release();
+        }
+
+        private void _webView_NavigationStarting(WebView sender, WebViewNavigationStartingEventArgs args)
+        {
+            var bridge = new TerminalBridge(this);
+            _webView.AddWebAllowedObject("terminalBridge", bridge);
+        }
+
+        private void Copy_Click(object sender, RoutedEventArgs e)
+        {
+            ((IxtermEventListener)this).OnKeyboardCommand(nameof(Command.Copy));
+        }
+
+        private async Task CreateWebSocketServer(int port)
+        {
+            var webSocketUrl = "ws://127.0.0.1:" + port;
+            var webSocketServer = new WebSocketServer(webSocketUrl);
+            webSocketServer.Start(socket =>
+            {
+                _webSocket = socket;
+                _buffer = new InputBuffer(_webSocket.Send);
+                socket.OnOpen = () => _connectedEvent.Set();
+                socket.OnMessage = message => ViewModel.Terminal.Write(message);
+            });
+
+            await ExecuteScriptAsync($"connectToWebSocket('{webSocketUrl}');").ConfigureAwait(true);
+        }
+
+        private async Task<TerminalSize> CreateXtermView(TerminalOptions options, TerminalColors theme, IEnumerable<KeyBinding> keyBindings, SessionType sessionType)
+        {
+            var serializedOptions = JsonConvert.SerializeObject(options);
+            var serializedTheme = JsonConvert.SerializeObject(theme);
+            var serializedKeyBindings = JsonConvert.SerializeObject(keyBindings);
+            var size = await ExecuteScriptAsync($"createTerminal('{serializedOptions}', '{serializedTheme}', '{serializedKeyBindings}', '{sessionType}')").ConfigureAwait(true);
+            return JsonConvert.DeserializeObject<TerminalSize>(size);
+        }
+
+        private Task<string> ExecuteScriptAsync(string script)
+        {
+            try
+            {
+                return _webView.InvokeScriptAsync("eval", new[] { script }).AsTask();
+            }
+            catch (Exception e)
+            {
+                Debug.WriteLine($"Exception while running:\n \"{script}\"\n\n {e}");
+            }
+            return Task.FromResult(string.Empty);
+        }
+
+        private IEnumerable<KeyBinding> FlattenKeyBindings(IDictionary<string, ICollection<KeyBinding>> commandKeyBindings, IEnumerable<ShellProfile> profiles)
+        {
+            return commandKeyBindings.Values.SelectMany(k => k).Concat(profiles.SelectMany(x => x.KeyBindings));
+        }
+
+        private void Paste_Click(object sender, RoutedEventArgs e)
+        {
+            ((IxtermEventListener)this).OnKeyboardCommand(nameof(Command.Paste));
+        }
+
+        private void ShowContextMenu(int x, int y, bool terminalHasSelection)
+        {
+            var flyout = (MenuFlyout)_webView.ContextFlyout;
+            _copyMenuItem.IsEnabled = terminalHasSelection;
+            flyout.ShowAt(_webView, new Point(x, y));
+        }
+
+        private void StartMediatorTask()
+        {
+            _dispatcherJobs = new BlockingCollection<Action>();
+            var dispatcher = CoreApplication.GetCurrentView().CoreWindow.Dispatcher;
+            Task.Run(async () =>
+            {
+                foreach (var job in _dispatcherJobs.GetConsumingEnumerable())
+                {
+                    try
+                    {
+                        await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => job.Invoke());
+                    }
+                    catch (Exception e)
+                    {
+                        Debug.WriteLine(e);
+                    }
+                }
+            });
+        }
+
+        private async void Terminal_Closed(object sender, EventArgs e)
+        {
+            ViewModel.Terminal.OutputReceived -= Terminal_OutputReceived;
+            ViewModel.Terminal.Closed -= Terminal_Closed;
+            _webView?.Navigate(new Uri("about:blank"));
+            _webView = null;
+            await ViewModel.Terminal.Close().ConfigureAwait(true);
+        }
+
+        private void Terminal_OutputReceived(object sender, string e)
+        {
+            _webSocket.Send(e);
+        }
+
+        private async void XtermTerminalView_GotFocus(object sender, RoutedEventArgs e)
+        {
+            if (_webView != null)
+            {
+                _webView.Focus(FocusState.Programmatic);
+                await ExecuteScriptAsync("document.focus();").ConfigureAwait(true);
+            }
+        }
+
+        private void XtermTerminalView_Loaded(object sender, RoutedEventArgs e)
+        {
+            if (_alreadyLoaded)
+            {
+                return;
+            }
+
+            if (Root.Children.Any())
+            {
+                return;
+            }
+
+            _webView = new WebView(WebViewExecutionMode.SeparateThread)
+            {
+                DefaultBackgroundColor = Colors.Transparent
+            };
+            Root.Children.Add(_webView);
+
+            _webView.NavigationCompleted += _webView_NavigationCompleted;
+            _webView.NavigationStarting += _webView_NavigationStarting;
+
+            _copyMenuItem = new MenuFlyoutItem { Text = "Copy" };
+            _copyMenuItem.Click += Copy_Click;
+
+            _pasteMenuItem = new MenuFlyoutItem { Text = "Paste" };
+            _pasteMenuItem.Click += Paste_Click;
+
+            _webView.ContextFlyout = new MenuFlyout
+            {
+                Items = { _copyMenuItem, _pasteMenuItem }
+            };
+
+            _webView.Navigate(new Uri("ms-appx-web:///Client/index.html"));
+            _alreadyLoaded = true;
+        }
+    }
+}

FluentTerminal.Models/Requests/CreateTerminalRequest.cs

@@ -4,6 +4,7 @@ namespace FluentTerminal.Models.Requests
 {
     public class CreateTerminalRequest
     {
+        public int Id { get; set; }
         public TerminalSize Size { get; set; }
         public ShellProfile Profile { get; set; }
         public SessionType SessionType { get; set; }

FluentTerminal.Models/Requests/GetAvailablePortRequest.cs

@@ -0,0 +1,6 @@
+namespace FluentTerminal.Models.Requests
+{
+    public class GetAvailablePortRequest
+    {
+    }
+}

FluentTerminal.Models/Responses/CreateTerminalResponse.cs

@@ -2,7 +2,6 @@
 {
     public class CreateTerminalResponse
     {
-        public int Id { get; set; }
         public bool Success { get; set; }
         public string Error { get; set; }
         public string ShellExecutableName { get; set; }

FluentTerminal.Models/Responses/GetAvailablePortResponse.cs

@@ -0,0 +1,7 @@
+namespace FluentTerminal.Models.Responses
+{
+    public class GetAvailablePortResponse
+    {
+        public int Port { get; set; }
+    }
+}

FluentTerminal.Models/TerminalTheme.cs

@@ -27,9 +27,9 @@ namespace FluentTerminal.Models
         {
             if (obj is TerminalTheme other)
             {
-                return other.Name.Equals(Name)
+                return Equals(other.Name, Name)
-                    && other.Author == null ? Author == null : other.Author.Equals(Author)
+                    && Equals(other.Author, Author)
-                    && other.Colors.Equals(Colors);
+                    && Equals(other.Colors, Colors);
             }
             return false;
         }

FluentTerminal.RuntimeComponent/FluentTerminal.RuntimeComponent.csproj

@@ -108,7 +108,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="Enums\MouseButton.cs" />
-    <Compile Include="Interfaces\ITerminalEventListener.cs" />
+    <Compile Include="Interfaces\IxtermEventListener.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="WebAllowedObjects\TerminalBridge.cs" />
   </ItemGroup>

FluentTerminal.RuntimeComponent/Interfaces/IxtermEventListener.cs

@@ -2,7 +2,7 @@
 
 namespace FluentTerminal.RuntimeComponent.Interfaces
 {
-    public interface ITerminalEventListener
+    public interface IxtermEventListener
     {
         void OnTerminalResized(int columns, int rows);
 

FluentTerminal.RuntimeComponent/WebAllowedObjects/TerminalBridge.cs

@@ -7,9 +7,9 @@ namespace FluentTerminal.RuntimeComponent.WebAllowedObjects
     [AllowForWeb]
     public sealed class TerminalBridge
     {
-        private readonly ITerminalEventListener _terminalEventListener;
+        private readonly IxtermEventListener _terminalEventListener;
 
-        public TerminalBridge(ITerminalEventListener terminalEventListener)
+        public TerminalBridge(IxtermEventListener terminalEventListener)
         {
             _terminalEventListener = terminalEventListener;
         }

FluentTerminal.SystemTray/Services/AppCommunicationService.cs

@@ -7,6 +7,7 @@ using Windows.ApplicationModel;
 using Windows.ApplicationModel.AppService;
 using Windows.Foundation.Collections;
 using System;
+using FluentTerminal.Models.Responses;
 
 namespace FluentTerminal.SystemTray.Services
 {
@@ -111,6 +112,16 @@ namespace FluentTerminal.SystemTray.Services
                 var request = JsonConvert.DeserializeObject<TerminalExitedRequest>(messageContent);
                 _terminalsManager.CloseTerminal(request.TerminalId);
             }
+            else if (messageType == nameof(GetAvailablePortRequest))
+            {
+                var deferral = args.GetDeferral();
+
+                var response = new GetAvailablePortResponse { Port = Utilities.GetAvailablePort().Value };
+
+                await args.Request.SendResponseAsync(CreateMessage(response));
+
+                deferral.Complete();
+            }
         }
 
         private ValueSet CreateMessage(object content)

FluentTerminal.SystemTray/Services/ConPty/ConPtySession.cs

@@ -12,6 +12,7 @@ namespace FluentTerminal.SystemTray.Services.ConPty
         private Terminal _terminal;
 
         public int Id { get; private set; }
+
         public string ShellExecutableName { get; private set; }
 
         public event EventHandler ConnectionClosed;
@@ -28,16 +29,9 @@ namespace FluentTerminal.SystemTray.Services.ConPty
 
         public void Start(CreateTerminalRequest request, TerminalsManager terminalsManager)
         {
+            Id = request.Id;
             _terminalsManager = terminalsManager;
 
-            var port = Utilities.GetAvailablePort();
-
-            if (port == null)
-            {
-                throw new Exception("no port available");
-            }
-
-            Id = port.Value;
             ShellExecutableName = Path.GetFileNameWithoutExtension(request.Profile.Location);
             var cwd = GetWorkingDirectory(request.Profile);
             string args = $"\"{request.Profile.Location}\" {request.Profile.Arguments}";

FluentTerminal.SystemTray/Services/TerminalsManager.cs

@@ -59,7 +59,6 @@ namespace FluentTerminal.SystemTray.Services
             return new CreateTerminalResponse
             {
                 Success = true,
-                Id = terminal.Id,
                 ShellExecutableName = terminal.ShellExecutableName
             };
         }

FluentTerminal.SystemTray/Services/WinPty/WinPtySession.cs

@@ -19,6 +19,7 @@ namespace FluentTerminal.SystemTray.Services.WinPty
 
         public void Start(CreateTerminalRequest request, TerminalsManager terminalsManager)
         {
+            Id = request.Id;
             _terminalsManager = terminalsManager;
 
             var configHandle = IntPtr.Zero;
@@ -62,15 +63,6 @@ namespace FluentTerminal.SystemTray.Services.WinPty
                 winpty_error_free(errorHandle);
             }
 
-            var port = Utilities.GetAvailablePort();
-
-            if (port == null)
-            {
-                throw new Exception("no port available");
-            }
-
-            Id = port.Value;
-
             ListenToStdOut();
         }
 

FluentTerminal.SystemTray/Utilities.cs

@@ -10,6 +10,7 @@ namespace FluentTerminal.SystemTray
     public static class Utilities
     {
         private const int FirstDynamicPort = 49151;
+        private static readonly List<int> _sentOutPorts = new List<int>();
 
         public static int? GetAvailablePort()
         {
@@ -26,12 +27,15 @@ namespace FluentTerminal.SystemTray
             endPoints = properties.GetActiveUdpListeners();
             usedPorts.AddRange(endPoints.Where(e => e.Port >= FirstDynamicPort).Select(e => e.Port));
 
+            usedPorts.AddRange(_sentOutPorts);
+
             usedPorts.Sort();
 
             for (var i = FirstDynamicPort; i < UInt16.MaxValue; i++)
             {
                 if (!usedPorts.Contains(i))
                 {
+                    _sentOutPorts.Add(i);
                     return i;
                 }
             }