Fixes performance issues of multiple ConPty sessions with fast output.

fixes #699

.github/workflows/main.yml

@@ -0,0 +1,23 @@
+name: CI
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@master
+    
+    - name: Build client
+      working-directory: ./FluentTerminal.Client
+      run: |
+        yarn
+        yarn build
+
+    - name: Setup MSBuild.exe
+      uses: warrenbuckley/Setup-MSBuild@v1
+    
+    - name: MSBuild
+      run: msbuild FluentTerminal.sln -t:build -p:Configuration=Debug -p:Platform=x64 -p:AppxPackage=false -m -restore

FluentTerminal.App.Services.Test/DialogServiceTests.cs

@@ -23,7 +23,7 @@ namespace FluentTerminal.App.Services.Test
         public void ShowCreateKeyBindingDialog_Default_UsesCreateKeyBindingDialog()
         {
             var createKeyBindingDialog = new Mock<ICreateKeyBindingDialog>();
-            var dialogService = new DialogService(Mock.Of<IShellProfileSelectionDialog>, Mock.Of<IMessageDialog>, () => createKeyBindingDialog.Object, Mock.Of<IInputDialog>, Mock.Of<ISshConnectionInfoDialog>, Mock.Of<ISshProfileSelectionDialog>);
+            var dialogService = new DialogService(Mock.Of<IMessageDialog>, () => createKeyBindingDialog.Object, Mock.Of<IInputDialog>, Mock.Of<ISshConnectionInfoDialog>, Mock.Of<ICustomCommandDialog>, Mock.Of<IAboutDialog>);
 
             dialogService.ShowCreateKeyBindingDialog();
 
@@ -36,9 +36,9 @@ namespace FluentTerminal.App.Services.Test
             var title = string.Empty;
             var content = _fixture.Create<string>();
             var buttons = _fixture.CreateMany<DialogButton>(2);
-            var dialogService = new DialogService(Mock.Of<IShellProfileSelectionDialog>, Mock.Of<IMessageDialog>, Mock.Of<ICreateKeyBindingDialog>, Mock.Of<IInputDialog>, Mock.Of<ISshConnectionInfoDialog>, Mock.Of<ISshProfileSelectionDialog>);
+            var dialogService = new DialogService(Mock.Of<IMessageDialog>, Mock.Of<ICreateKeyBindingDialog>, Mock.Of<IInputDialog>, Mock.Of<ISshConnectionInfoDialog>, Mock.Of<ICustomCommandDialog>, Mock.Of<IAboutDialog>);
 
-            Func<Task<DialogButton>> showMessageDialogAsnyc = () => dialogService.ShowMessageDialogAsnyc(title, content, buttons.ElementAt(0), buttons.ElementAt(1));
+            Func<Task<DialogButton>> showMessageDialogAsnyc = () => dialogService.ShowMessageDialogAsync(title, content, buttons.ElementAt(0), buttons.ElementAt(1));
 
             showMessageDialogAsnyc.Should().Throw<ArgumentNullException>().And.ParamName.Should().Be("title");
         }
@@ -49,9 +49,9 @@ namespace FluentTerminal.App.Services.Test
             var title = _fixture.Create<string>();
             var content = string.Empty;
             var buttons = _fixture.CreateMany<DialogButton>(2);
-            var dialogService = new DialogService(Mock.Of<IShellProfileSelectionDialog>, Mock.Of<IMessageDialog>, Mock.Of<ICreateKeyBindingDialog>, Mock.Of<IInputDialog>, Mock.Of<ISshConnectionInfoDialog>, Mock.Of<ISshProfileSelectionDialog>);
+            var dialogService = new DialogService(Mock.Of<IMessageDialog>, Mock.Of<ICreateKeyBindingDialog>, Mock.Of<IInputDialog>, Mock.Of<ISshConnectionInfoDialog>, Mock.Of<ICustomCommandDialog>, Mock.Of<IAboutDialog>);
 
-            Func<Task<DialogButton>> showMessageDialogAsnyc = () => dialogService.ShowMessageDialogAsnyc(title, content, buttons.ElementAt(0), buttons.ElementAt(1));
+            Func<Task<DialogButton>> showMessageDialogAsnyc = () => dialogService.ShowMessageDialogAsync(title, content, buttons.ElementAt(0), buttons.ElementAt(1));
 
             showMessageDialogAsnyc.Should().Throw<ArgumentNullException>().And.ParamName.Should().Be("content");
         }
@@ -61,9 +61,9 @@ namespace FluentTerminal.App.Services.Test
         {
             var title = _fixture.Create<string>();
             var content = _fixture.Create<string>();
-            var dialogService = new DialogService(Mock.Of<IShellProfileSelectionDialog>, Mock.Of<IMessageDialog>, Mock.Of<ICreateKeyBindingDialog>, Mock.Of<IInputDialog>, Mock.Of<ISshConnectionInfoDialog>, Mock.Of<ISshProfileSelectionDialog>);
+            var dialogService = new DialogService(Mock.Of<IMessageDialog>, Mock.Of<ICreateKeyBindingDialog>, Mock.Of<IInputDialog>, Mock.Of<ISshConnectionInfoDialog>, Mock.Of<ICustomCommandDialog>, Mock.Of<IAboutDialog>);
 
-            Func<Task<DialogButton>> showMessageDialogAsnyc = () => dialogService.ShowMessageDialogAsnyc(title, content);
+            Func<Task<DialogButton>> showMessageDialogAsnyc = () => dialogService.ShowMessageDialogAsync(title, content);
 
             showMessageDialogAsnyc.Should().Throw<ArgumentException>().And.ParamName.Should().Be("buttons");
         }
@@ -75,30 +75,19 @@ namespace FluentTerminal.App.Services.Test
             var content = _fixture.Create<string>();
             var buttons = _fixture.CreateMany<DialogButton>(2);
             var messageDialog = new Mock<IMessageDialog>();
-            var dialogService = new DialogService(Mock.Of<IShellProfileSelectionDialog>, () => messageDialog.Object, Mock.Of<ICreateKeyBindingDialog>, Mock.Of<IInputDialog>, Mock.Of<ISshConnectionInfoDialog>, Mock.Of<ISshProfileSelectionDialog>);
+            var dialogService = new DialogService(() => messageDialog.Object, Mock.Of<ICreateKeyBindingDialog>, Mock.Of<IInputDialog>, Mock.Of<ISshConnectionInfoDialog>, Mock.Of<ICustomCommandDialog>, Mock.Of<IAboutDialog>);
 
-            dialogService.ShowMessageDialogAsnyc(title, content, buttons.ElementAt(0), buttons.ElementAt(1));
+            dialogService.ShowMessageDialogAsync(title, content, buttons.ElementAt(0), buttons.ElementAt(1));
 
             messageDialog.Verify(x => x.ShowAsync(), Times.Once);
         }
-
-        [Fact]
-        public void ShowProfileSelectionDialogAsync_Default_UsesShellProfileSelectionDialog()
-        {
-            var shellProfileSelectionDialog = new Mock<IShellProfileSelectionDialog>();
-            var dialogService = new DialogService(() => shellProfileSelectionDialog.Object, Mock.Of<IMessageDialog>, Mock.Of<ICreateKeyBindingDialog>, Mock.Of<IInputDialog>, Mock.Of<ISshConnectionInfoDialog>, Mock.Of<ISshProfileSelectionDialog>);
-
-            dialogService.ShowProfileSelectionDialogAsync();
-
-            shellProfileSelectionDialog.Verify(x => x.SelectProfile(), Times.Once);
-        }
         
         [Fact]
         public void ShowInputDialogAsync_UsesIInputDialogSetTitle()
         {
             var title = "title";
             var inputDialog = new Mock<IInputDialog>();            
-            var dialogService = new DialogService(Mock.Of<IShellProfileSelectionDialog>, Mock.Of<IMessageDialog>, Mock.Of<ICreateKeyBindingDialog>, () => inputDialog.Object, Mock.Of<ISshConnectionInfoDialog>, Mock.Of<ISshProfileSelectionDialog>);
+            var dialogService = new DialogService(Mock.Of<IMessageDialog>, Mock.Of<ICreateKeyBindingDialog>, () => inputDialog.Object, Mock.Of<ISshConnectionInfoDialog>, Mock.Of<ICustomCommandDialog>, Mock.Of<IAboutDialog>);
 
             dialogService.ShowInputDialogAsync(title);
 

FluentTerminal.App.Services.Test/FluentTerminal.App.Services.Test.csproj

@@ -11,11 +11,11 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="AutoFixture" Version="4.10.0" />
-    <PackageReference Include="FluentAssertions" Version="5.7.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
-    <PackageReference Include="Moq" Version="4.12.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="AutoFixture" Version="4.11.0" />
+    <PackageReference Include="FluentAssertions" Version="5.10.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
+    <PackageReference Include="Moq" Version="4.13.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
       <PrivateAssets>all</PrivateAssets>

FluentTerminal.App.Services.Test/SettingsServiceTests.cs

@@ -10,6 +10,8 @@ using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
+using FluentTerminal.Models.Messages;
+using GalaSoft.MvvmLight.Messaging;
 using Xunit;
 
 namespace FluentTerminal.App.Services.Test
@@ -36,7 +38,8 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(), 
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
 
             new SettingsService(defaultValueProvider.Object, applicationDataContainers);
@@ -58,6 +61,7 @@ namespace FluentTerminal.App.Services.Test
             var applicationDataContainers = new ApplicationDataContainers
             {
                 ShellProfiles = shellProfilesContainer.Object,
+                SshProfiles = Mock.Of<IApplicationDataContainer>(),
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
@@ -86,6 +90,7 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
@@ -111,6 +116,7 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider.Object, applicationDataContainers);
@@ -134,6 +140,7 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
@@ -155,11 +162,13 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>()
             };
             var currentThemeChangedEventInvoked = false;
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
-            settingsService.CurrentThemeChanged += (s, e) => currentThemeChangedEventInvoked = true;
+            Messenger.Default.Register<CurrentThemeChangedMessage>(this,
+                message => currentThemeChangedEventInvoked = true);
 
             settingsService.SaveCurrentThemeId(currentThemeId);
 
@@ -178,7 +187,8 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
 
@@ -203,10 +213,12 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = roamingSettings.Object,
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
-            settingsService.CurrentThemeChanged += (s, e) => currentThemeChangedEventInvoked = true;
+            Messenger.Default.Register<CurrentThemeChangedMessage>(this,
+                message => currentThemeChangedEventInvoked = true);
 
             settingsService.SaveTheme(theme);
 
@@ -225,7 +237,8 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
 
@@ -247,7 +260,8 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
 
@@ -270,7 +284,8 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
 
@@ -293,7 +308,8 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
 
@@ -316,7 +332,8 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
 
@@ -338,7 +355,8 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
 
@@ -360,10 +378,12 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
-            settingsService.TerminalOptionsChanged += (s, e) => terminalOptionsChangedEventInvoked = true;
+            Messenger.Default.Register<TerminalOptionsChangedMessage>(this,
+                message => terminalOptionsChangedEventInvoked = true);
 
             settingsService.SaveTerminalOptions(terminalOptions);
 
@@ -383,7 +403,8 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
 
@@ -405,7 +426,8 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
 
@@ -427,10 +449,12 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
-            settingsService.ApplicationSettingsChanged += (s, e) => applicationSettingsChangedEventInvoked = true;
+            Messenger.Default.Register<ApplicationSettingsChangedMessage>(this,
+                a => applicationSettingsChangedEventInvoked = true);
 
             settingsService.SaveApplicationSettings(applicationSettings);
 
@@ -453,7 +477,8 @@ namespace FluentTerminal.App.Services.Test
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
 
@@ -477,7 +502,8 @@ namespace FluentTerminal.App.Services.Test
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider.Object, applicationDataContainers);
 
@@ -502,7 +528,8 @@ namespace FluentTerminal.App.Services.Test
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
 
@@ -525,10 +552,12 @@ namespace FluentTerminal.App.Services.Test
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
-            settingsService.KeyBindingsChanged += (s, e) => keyBindingsChangedEventInvoked = true;
+            Messenger.Default.Register<KeyBindingsChangedMessage>(this,
+                message => keyBindingsChangedEventInvoked = true);
 
             settingsService.SaveKeyBindings(command.ToString(), keyBindings);
 
@@ -546,7 +575,8 @@ namespace FluentTerminal.App.Services.Test
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider.Object, applicationDataContainers);
 
@@ -571,10 +601,12 @@ namespace FluentTerminal.App.Services.Test
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>(),
-                ShellProfiles = Mock.Of<IApplicationDataContainer>()
+                ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
-            settingsService.KeyBindingsChanged += (s, e) => keyBindingsChangedEventInvoked = true;
+            Messenger.Default.Register<KeyBindingsChangedMessage>(this,
+                message => keyBindingsChangedEventInvoked = true);
 
             settingsService.ResetKeyBindings();
 
@@ -594,6 +626,7 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
                 ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider, applicationDataContainers);
@@ -619,6 +652,7 @@ namespace FluentTerminal.App.Services.Test
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
                 ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>(),
                 Themes = Mock.Of<IApplicationDataContainer>()
             };
             var settingsService = new SettingsService(defaultValueProvider.Object, applicationDataContainers);
@@ -640,6 +674,7 @@ namespace FluentTerminal.App.Services.Test
             var applicationDataContainers = new ApplicationDataContainers
             {
                 ShellProfiles = shellProfilesContainer.Object,
+                SshProfiles = Mock.Of<IApplicationDataContainer>(),
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
@@ -649,7 +684,7 @@ namespace FluentTerminal.App.Services.Test
 
             var result = settingsService.GetShellProfiles();
 
-            result.Should().BeEquivalentTo(shellProfiles);
+            result.Select(p => p.EqualTo(shellProfiles.FirstOrDefault(x => x.Id == p.Id)).Should().BeTrue());
             shellProfilesContainer.Verify(x => x.GetAll(), Times.Once);
         }
 
@@ -662,6 +697,7 @@ namespace FluentTerminal.App.Services.Test
             var applicationDataContainers = new ApplicationDataContainers
             {
                 ShellProfiles = shellProfilesContainer.Object,
+                SshProfiles = Mock.Of<IApplicationDataContainer>(),
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
@@ -683,6 +719,7 @@ namespace FluentTerminal.App.Services.Test
             var applicationDataContainers = new ApplicationDataContainers
             {
                 ShellProfiles = shellProfilesContainer.Object,
+                SshProfiles = Mock.Of<IApplicationDataContainer>(),
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
@@ -707,6 +744,7 @@ namespace FluentTerminal.App.Services.Test
             var applicationDataContainers = new ApplicationDataContainers
             {
                 ShellProfiles = shellProfilesContainer.Object,
+                SshProfiles = Mock.Of<IApplicationDataContainer>(),
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = localSettings.Object,
@@ -735,6 +773,7 @@ namespace FluentTerminal.App.Services.Test
             var applicationDataContainers = new ApplicationDataContainers
             {
                 ShellProfiles = Mock.Of<IApplicationDataContainer>(),
+                SshProfiles = Mock.Of<IApplicationDataContainer>(),
                 KeyBindings = Mock.Of<IApplicationDataContainer>(),
                 LocalSettings = Mock.Of<IApplicationDataContainer>(),
                 RoamingSettings = roamingSettings.Object,

FluentTerminal.App.Services.Test/TrayProcessCommunicationServiceTests.cs

@@ -48,7 +48,7 @@ namespace FluentTerminal.App.Services.Test
             var trayProcessCommunicationService = new TrayProcessCommunicationService(settingsService.Object);
             trayProcessCommunicationService.Initialize(appServiceConnection.Object);
 
-            var result = await trayProcessCommunicationService.CreateTerminal(id, terminalSize, shellProfile, sessionType);
+            var result = await trayProcessCommunicationService.CreateTerminalAsync(id, terminalSize, shellProfile, sessionType);
 
             result.Should().BeEquivalentTo(response);
         }
@@ -68,9 +68,9 @@ namespace FluentTerminal.App.Services.Test
             var trayProcessCommunicationService = new TrayProcessCommunicationService(settingsService.Object);
             trayProcessCommunicationService.Initialize(appServiceConnection.Object);
 
-            await trayProcessCommunicationService.ResizeTerminal(terminalId, terminalSize);
+            await trayProcessCommunicationService.ResizeTerminalAsync(terminalId, terminalSize);
 
-            appServiceConnection.Verify(x => x.SendMessageAsync(It.Is<ValueSet>(d => (byte)d[MessageKeys.Type] == ResizeTerminalRequest.Identifier)), Times.Once);
+            appServiceConnection.Verify(x => x.SendMessageAsync(It.Is<ValueSet>(d => (byte)d[MessageKeys.Type] == (byte)MessageIdentifiers.ResizeTerminalRequest)), Times.Once);
         }
 
         [Fact]
@@ -88,7 +88,7 @@ namespace FluentTerminal.App.Services.Test
             var trayProcessCommunicationService = new TrayProcessCommunicationService(settingsService.Object);
             trayProcessCommunicationService.Initialize(appServiceConnection.Object);
 
-            await trayProcessCommunicationService.Write(terminalId, data);
+            await trayProcessCommunicationService.WriteAsync(terminalId, data);
 
             appServiceConnection.Verify(x => x.SendMessageAsync(It.Is<ValueSet>(d => (byte)d[MessageKeys.Type] == Constants.TerminalBufferRequestIdentifier)), Times.Once);
         }
@@ -107,9 +107,9 @@ namespace FluentTerminal.App.Services.Test
             var trayProcessCommunicationService = new TrayProcessCommunicationService(settingsService.Object);
             trayProcessCommunicationService.Initialize(appServiceConnection.Object);
 
-            await trayProcessCommunicationService.CloseTerminal(terminalId);
+            await trayProcessCommunicationService.CloseTerminalAsync(terminalId);
 
-            appServiceConnection.Verify(x => x.SendMessageAsync(It.Is<ValueSet>(d => (byte)d[MessageKeys.Type] == TerminalExitedRequest.Identifier)), Times.Once);
+            appServiceConnection.Verify(x => x.SendMessageAsync(It.Is<ValueSet>(d => (byte)d[MessageKeys.Type] == (byte)MessageIdentifiers.TerminalExitedRequest)), Times.Once);
         }
 
         [Fact]
@@ -121,7 +121,7 @@ namespace FluentTerminal.App.Services.Test
 
             var message = new ValueSet
             {
-                [MessageKeys.Type] = TerminalExitedRequest.Identifier,
+                [MessageKeys.Type] = (byte) MessageIdentifiers.TerminalExitedRequest,
                 [MessageKeys.Content] = JsonConvert.SerializeObject(request)
             };
             var settingsService = new Mock<ISettingsService>();

FluentTerminal.App.Services/Adapters/ApplicationDataContainerAdapter.cs

@@ -3,6 +3,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using Windows.Storage;
+using FluentTerminal.App.Services.Utilities;
 
 namespace FluentTerminal.App.Services.Adapters
 {
@@ -20,6 +21,11 @@ namespace FluentTerminal.App.Services.Adapters
             _applicationDataContainer.Values.Remove(key);
         }
 
+        public void Clear()
+        {
+            _applicationDataContainer.Values.Clear();
+        }
+
         public IEnumerable<object> GetAll()
         {
             return _applicationDataContainer.Values.Select(x => x.Value);
@@ -51,7 +57,8 @@ namespace FluentTerminal.App.Services.Adapters
 
         public void WriteValueAsJson<T>(string name, T value)
         {
-            _applicationDataContainer.Values[name] = JsonConvert.SerializeObject(value);
+            _applicationDataContainer.Values[name] = JsonConvert.SerializeObject(value,
+                PreserveDictionaryKeyCaseContractResolver.SerializerSettings);
         }
     }
 }

FluentTerminal.App.Services/ApplicationDataContainers.cs

@@ -8,5 +8,6 @@
         public IApplicationDataContainer KeyBindings { get; set; }
         public IApplicationDataContainer ShellProfiles { get; set; }
         public IApplicationDataContainer SshProfiles { get; set; }
+        public IApplicationDataContainer HistoryContainer { get; set; }
     }
 }

FluentTerminal.App.Services/Constants.cs

@@ -7,5 +7,9 @@
         public const string ShellProfilesContainerName = "ShellProfiles";
         public const string SshProfilesContainerName = "SshProfiles";
         public const byte TerminalBufferRequestIdentifier = 0;
+        public const string SshCommandName = "ssh";
+        public const string MoshCommandName = "mosh";
+        public const string ExecutedCommandsContainerName = "HistoryContainer";
+        public const string TerminalViewModelStateId = "TerminalViewModelState";
     }
 }

FluentTerminal.App.Services/Dialogs/IAboutDialog.cs

@@ -0,0 +1,9 @@
+using System.Threading.Tasks;
+
+namespace FluentTerminal.App.Services.Dialogs
+{
+    public interface IAboutDialog
+    {
+        Task ShowAsync();
+    }
+}

FluentTerminal.App.Services/Dialogs/ICustomCommandDialog.cs

@@ -0,0 +1,10 @@
+using System.Threading.Tasks;
+using FluentTerminal.Models;
+
+namespace FluentTerminal.App.Services.Dialogs
+{
+    public interface ICustomCommandDialog
+    {
+        Task<ShellProfile> GetCustomCommandAsync(ShellProfile input = null);
+    }
+}

FluentTerminal.App.Services/Dialogs/IShellProfileSelectionDialog.cs

@@ -1,12 +0,0 @@
-using FluentTerminal.Models;
-using System.Threading.Tasks;
-
-namespace FluentTerminal.App.Services.Dialogs
-{
-    public interface IShellProfileSelectionDialog
-    {
-        ShellProfile SelectedProfile { get; }
-
-        Task<ShellProfile> SelectProfile();
-    }
-}

FluentTerminal.App.Services/Dialogs/ISshConnectionInfoDialog.cs

@@ -5,6 +5,6 @@ namespace FluentTerminal.App.Services.Dialogs
 {
     public interface ISshConnectionInfoDialog
     {
-        Task<ISshConnectionInfo> GetSshConnectionInfoAsync(ISshConnectionInfo input);
+        Task<SshProfile> GetSshConnectionInfoAsync(SshProfile input = null);
     }
 }

FluentTerminal.App.Services/Dialogs/ISshProfileSelectionDialog.cs

@@ -1,12 +0,0 @@
-using FluentTerminal.Models;
-using System.Threading.Tasks;
-
-namespace FluentTerminal.App.Services.Dialogs
-{
-    public interface ISshProfileSelectionDialog
-    {
-        SshProfile SelectedProfile { get; }
-
-        Task<SshProfile> SelectProfile();
-    }
-}

FluentTerminal.App.Services/EventArgs/NewTabRequestedEventArgs.cs

@@ -0,0 +1,11 @@
+using System;
+using Windows.UI.Xaml;
+
+namespace FluentTerminal.App.Services.EventArgs
+{
+    public class NewTabRequestedEventArgs : System.EventArgs
+    {
+        public DragEventArgs DragEventArgs { get; set; }
+        public int Position { get; set; }
+    }
+}

FluentTerminal.App.Services/EventArgs/NewWindowRequestedEventArgs.cs

@@ -1,10 +1,13 @@
 using System;
+using FluentTerminal.Models;
 
 namespace FluentTerminal.App.Services.EventArgs
 {
     public class NewWindowRequestedEventArgs : System.EventArgs
     {
-        public Models.Enums.NewWindowAction Action { get; set; }
-        public Guid ProfileId { get; set; }
+        public ShellProfile Profile { get; }
+
+        public NewWindowRequestedEventArgs(ShellProfile profile) =>
+            Profile = profile ?? throw new ArgumentNullException(nameof(profile));
     }
 }

FluentTerminal.App.Services/Exceptions/ReadTextFileException.cs

@@ -0,0 +1,23 @@
+using System;
+
+namespace FluentTerminal.App.Services.Exceptions
+{
+    public class ReadTextFileException : Exception
+    {
+        public ReadTextFileException() : base()
+        {
+        }
+
+        public ReadTextFileException(string message) : base(message)
+        {
+        }
+
+        public ReadTextFileException(string message, Exception innerException) : base(message, innerException)
+        {
+        }
+
+        protected ReadTextFileException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context) : base(info, context)
+        {
+        }
+    }
+}

FluentTerminal.App.Services/Exceptions/SaveTextFileException.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace FluentTerminal.App.Services.Exceptions
+{
+    public class SaveTextFileException : Exception
+    {
+        public SaveTextFileException() : base()
+        {
+        }
+
+        public SaveTextFileException(string message) : base(message)
+        {
+        }
+
+        public SaveTextFileException(string message, Exception innerException) : base(message, innerException)
+        {
+        }
+
+        protected SaveTextFileException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context) : base(info, context)
+        {
+        }
+    }
+}

FluentTerminal.App.Services/FluentTerminal.App.Services.csproj

@@ -6,12 +6,13 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
+    <PackageReference Include="MvvmLightLibs" Version="5.4.1.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="PListNet" Version="3.0.0" />
-    <PackageReference Include="RestSharp" Version="106.6.9" />
+    <PackageReference Include="RestSharp" Version="106.10.1" />
     <PackageReference Include="Serilog.Sinks.Async" Version="1.4.0" />
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="System.Runtime.InteropServices.WindowsRuntime" Version="4.3.0" />
   </ItemGroup>
 

FluentTerminal.App.Services/IApplicationDataContainer.cs

@@ -14,6 +14,8 @@ namespace FluentTerminal.App.Services
 
         void Delete(string key);
 
+        void Clear();
+
         IEnumerable<object> GetAll();
     }
 }

FluentTerminal.App.Services/IApplicationView.cs

@@ -1,6 +1,7 @@
 using FluentTerminal.App.Services.EventArgs;
 using System;
 using System.Threading.Tasks;
+using Windows.UI.Core;
 
 namespace FluentTerminal.App.Services
 {
@@ -14,9 +15,13 @@ namespace FluentTerminal.App.Services
         int Id { get; }
         string Title { get; set; }
 
-        Task RunOnDispatcherThread(Action action);
+        Task ExecuteOnUiThreadAsync(Action action, CoreDispatcherPriority priority = CoreDispatcherPriority.Normal,
+            bool enforceNewSchedule = false);
 
-        Task<bool> TryClose();
+        Task<T> ExecuteOnUiThreadAsync<T>(Func<T> func, CoreDispatcherPriority priority = CoreDispatcherPriority.Normal,
+            bool enforceNewSchedule = false);
+
+        Task<bool> TryCloseAsync();
 
         bool ToggleFullScreen();
         bool IsApiContractPresent(string api, ushort version);

FluentTerminal.App.Services/IClipboardService.cs

@@ -4,7 +4,7 @@ namespace FluentTerminal.App.Services
 {
     public interface IClipboardService
     {
-        Task<string> GetText();
+        Task<string> GetTextAsync();
 
         void SetText(string text);
     }

FluentTerminal.App.Services/ICommandHistoryService.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using FluentTerminal.Models;
+
+namespace FluentTerminal.App.Services
+{
+    public interface ICommandHistoryService
+    {
+        /// <summary>
+        /// Returns the most recent <paramref name="top"/> commands from history.
+        /// </summary>
+        /// <param name="includeProfiles">Indicates if never used saved profiles should also be returned.</param>
+        /// <param name="top">Maximal number of items to return.</param>
+        /// <param name="profilesProvider">List of all saved profiles. If this argument isn't specified, the method will
+        /// get the list from <see cref="ISettingsService"/>. The purpose of this argument is to avoid loading the
+        /// profiles from settings again (since it includes file system access and JSON deserialization), if we
+        /// already have them loaded.</param>
+        List<ExecutedCommand> GetHistoryRecentFirst(bool includeProfiles = false, int top = int.MaxValue,
+            Func<List<ShellProfile>> profilesProvider = null);
+
+        /// <summary>
+        /// Returns the most used <paramref name="top"/> commands from history.
+        /// </summary>
+        /// <param name="includeProfiles">Indicates if never used saved profiles should also be returned.</param>
+        /// <param name="top">Maximal number of items to return.</param>
+        /// <param name="profilesProvider">List of all saved profiles. If this argument isn't specified, the method will
+        /// get the list from <see cref="ISettingsService"/>. The purpose of this argument is to avoid loading the
+        /// profiles from settings again (since it includes file system access and JSON deserialization), if we
+        /// already have them loaded.</param>
+        List<ExecutedCommand> GetHistoryMostUsedFirst(bool includeProfiles = false, int top = int.MaxValue,
+            Func<List<ShellProfile>> profilesProvider = null);
+
+        void MarkUsed(ShellProfile profile);
+
+        void Delete(ExecutedCommand executedCommand);
+    }
+}

FluentTerminal.App.Services/IDialogService.cs

@@ -5,21 +5,23 @@ namespace FluentTerminal.App.Services
 {
     public enum DialogButton
     {
+        // ReSharper disable once InconsistentNaming
         OK,
         Cancel
     }
 
     public interface IDialogService
     {
-        Task<DialogButton> ShowMessageDialogAsnyc(string title, string content, params DialogButton[] buttons);
-
-        Task<ShellProfile> ShowProfileSelectionDialogAsync();
+        Task<DialogButton> ShowMessageDialogAsync(string title, string content, params DialogButton[] buttons);
 
         Task<KeyBinding> ShowCreateKeyBindingDialog();
+
         Task<string> ShowInputDialogAsync(string title);
 
-        Task<ISshConnectionInfo> ShowSshConnectionInfoDialogAsync(ISshConnectionInfo input);
+        Task<SshProfile> ShowSshConnectionInfoDialogAsync(SshProfile input = null);
 
-        Task<SshProfile> ShowSshProfileSelectionDialogAsync();
+        Task<ShellProfile> ShowCustomCommandDialogAsync(ShellProfile input = null);
+
+        Task ShowAboutDialogAsync();
     }
 }

FluentTerminal.App.Services/IDispatcherTimer.cs

@@ -1,16 +0,0 @@
-using System;
-
-namespace FluentTerminal.App.Services
-{
-    public interface IDispatcherTimer
-    {
-        void Start();
-
-        void Stop();
-
-        TimeSpan Interval { get; set; }
-        bool IsEnabled { get; }
-
-        event EventHandler<object> Tick;
-    }
-}

FluentTerminal.App.Services/IFileSystemService.cs

@@ -6,10 +6,12 @@ namespace FluentTerminal.App.Services
 {
     public interface IFileSystemService
     {
-        Task<File> OpenFile(IEnumerable<string> fileTypes);
+        Task<File> OpenFileAsync(IEnumerable<string> fileTypes);
 
-        Task<string> BrowseForDirectory();
+        Task<string> BrowseForDirectoryAsync();
 
-        Task SaveTextFile(string name, string fileTypeDescription, string fileType, string content);
+        Task SaveTextFileAsync(string name, string fileTypeDescription, string fileType, string content);
+
+        Task<ImageFile> SaveImageInRoamingAsync(ImageFile imageFile);
     }
 }

FluentTerminal.App.Services/IImageFileSystemService.cs

@@ -0,0 +1,19 @@
+using FluentTerminal.Models;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace FluentTerminal.App.Services
+{
+    public interface IImageFileSystemService
+    {
+        Task<ImageFile> ImportTemporaryImageFileAsync(IEnumerable<string> fileTypes);
+
+        Task RemoveTemporaryBackgroundThemeImageAsync();
+
+        Task RemoveImportedImageAsync(string fileName);
+
+        string EncodeImage(ImageFile imageFile);
+
+        Task<ImageFile> ImportThemeImageAsync(ImageFile backgroundImage, string encodedImage);
+    }
+}

FluentTerminal.App.Services/IKeyboardCommandService.cs

@@ -8,5 +8,6 @@ namespace FluentTerminal.App.Services
 
         void SendCommand(string command);
         void DeregisterCommandHandler(string command);
+        void ClearCommandHandlers();
     }
 }

FluentTerminal.App.Services/ISettingsService.cs

@@ -6,17 +6,6 @@ namespace FluentTerminal.App.Services
 {
     public interface ISettingsService
     {
-        event EventHandler<ApplicationSettings> ApplicationSettingsChanged;
-        event EventHandler<Guid> CurrentThemeChanged;
-        event EventHandler KeyBindingsChanged;
-        event EventHandler<ShellProfile> ShellProfileAdded;
-        event EventHandler<Guid> ShellProfileDeleted;
-        event EventHandler<SshProfile> SshProfileAdded;
-        event EventHandler<Guid> SshProfileDeleted;
-        event EventHandler<TerminalOptions> TerminalOptionsChanged;
-        event EventHandler<Guid> ThemeDeleted;
-        event EventHandler<TerminalTheme> ThemeAdded;
-
         void DeleteShellProfile(Guid id);
         void DeleteSshProfile(Guid id);
         void DeleteTheme(Guid id);
@@ -24,24 +13,26 @@ namespace FluentTerminal.App.Services
         TerminalTheme GetCurrentTheme();
         Guid GetCurrentThemeId();
         ShellProfile GetDefaultShellProfile();
-        SshProfile GetDefaultSshProfile();
         Guid GetDefaultShellProfileId();
-        Guid GetDefaultSshProfileId();
         IDictionary<string, ICollection<KeyBinding>> GetCommandKeyBindings();
         IEnumerable<ShellProfile> GetShellProfiles();
         IEnumerable<SshProfile> GetSshProfiles();
+        /// <summary>
+        /// Returns union of <see cref="GetShellProfiles"/> and <see cref="GetSshProfiles"/>.
+        /// </summary>
+        IEnumerable<ShellProfile> GetAllProfiles();
         IEnumerable<TabTheme> GetTabThemes();
         TerminalOptions GetTerminalOptions();
         TerminalTheme GetTheme(Guid id);
         IEnumerable<TerminalTheme> GetThemes();
         void ResetKeyBindings();
         void SaveApplicationSettings(ApplicationSettings applicationSettings);
+        void NotifyApplicationSettingsChanged(ApplicationSettings applicationSettings);
         void SaveCurrentThemeId(Guid id);
         void SaveDefaultShellProfileId(Guid id);
-        void SaveDefaultSshProfileId(Guid id);
         void SaveKeyBindings(string command, ICollection<KeyBinding> keyBindings);
         void SaveShellProfile(ShellProfile shellProfile, bool newShell = false);
-        void SaveSshProfile(SshProfile shellProfile, bool newShell = false);
+        void SaveSshProfile(SshProfile sshProfile, bool newShell = false);
         void SaveTerminalOptions(TerminalOptions terminalOptions);
         void SaveTheme(TerminalTheme theme, bool newTheme = false);
         ShellProfile GetShellProfile(Guid id);

FluentTerminal.App.Services/IShellProfileMigrationService.cs

@@ -0,0 +1,9 @@
+using FluentTerminal.Models;
+
+namespace FluentTerminal.App.Services
+{
+    public interface IShellProfileMigrationService
+    {
+        void Migrate(ShellProfile profile);
+    }
+}

FluentTerminal.App.Services/ISshHelperService.cs

@@ -1,19 +0,0 @@
-using System;
-using System.Threading.Tasks;
-using FluentTerminal.Models;
-
-namespace FluentTerminal.App.Services
-{
-    public interface ISshHelperService
-    {
-        bool IsSsh(Uri uri);
-
-        ISshConnectionInfo ParseSsh(Uri uri);
-
-        Task<SshProfile> GetSshProfileAsync(SshProfile profile);
-
-        Task<SshProfile> GetSavedSshProfileAsync();
-
-        Task<string> ConvertToUriAsync(ISshConnectionInfo sshConnectionInfo);
-    }
-}

FluentTerminal.App.Services/IStartupTaskService.cs

@@ -5,8 +5,8 @@ namespace FluentTerminal.App.Services
 {
     public interface IStartupTaskService
     {
-        Task DisableStartupTask();
-        Task<StartupTaskStatus> EnableStartupTask();
-        Task<StartupTaskStatus> GetStatus();
+        Task DisableStartupTaskAsync();
+        Task<StartupTaskStatus> EnableStartupTaskAsync();
+        Task<StartupTaskStatus> GetStatusAsync();
     }
 }

FluentTerminal.App.Services/IThemeParser.cs

@@ -10,5 +10,7 @@ namespace FluentTerminal.App.Services
         IEnumerable<string> SupportedFileTypes { get; }
 
         Task<TerminalTheme> Parse(string fileName, Stream fileContent);
+
+        Task<ExportedTerminalTheme> Import(string fileName, Stream fileContent);
     }
 }

FluentTerminal.App.Services/ITrayProcessCommunicationService.cs

@@ -12,28 +12,43 @@ namespace FluentTerminal.App.Services
 
         void Initialize(IAppServiceConnection appServiceConnection);
 
-        Task<CreateTerminalResponse> CreateTerminal(byte id, TerminalSize size, ShellProfile shellProfile, SessionType sessionType);
+        Task<CreateTerminalResponse> CreateTerminalAsync(byte id, TerminalSize size, ShellProfile shellProfile,
+            SessionType sessionType);
 
-        Task ResizeTerminal(byte id, TerminalSize size);
+        Task<PauseTerminalOutputResponse> PauseTerminalOutputAsync(byte id, bool pause);
 
-        Task UpdateToggleWindowKeyBindings();
+        Task ResizeTerminalAsync(byte id, TerminalSize size);
 
-        Task Write(byte terminalId, byte[] data);
+        Task UpdateToggleWindowKeyBindingsAsync();
+
+        Task WriteAsync(byte terminalId, byte[] data);
 
         void SubscribeForTerminalOutput(byte terminalId, Action<byte[]> callback);
 
-        Task CloseTerminal(byte terminalId);
-        Task<GetAvailablePortResponse> GetAvailablePort();
+        void UnsubscribeFromTerminalOutput(byte terminalId);
+
+        Task CloseTerminalAsync(byte terminalId);
+
         byte GetNextTerminalId();
 
-        Task<string> GetUserName();
+        Task<string> GetUserNameAsync();
 
         Task SaveTextFileAsync(string path, string content);
 
+        Task<string> ReadTextFileAsync(string path);
+
         Task<string> GetSshConfigDirAsync();
 
         Task<string[]> GetFilesFromSshConfigDirAsync();
 
         Task<bool> CheckFileExistsAsync(string path);
+
+        Task MuteTerminalAsync(bool mute);
+
+        void UpdateSettings(ApplicationSettings settings);
+
+        Task<string> GetCommandPathAsync(string command);
+
+        Task QuitApplicationAsync();
     }
 }

FluentTerminal.App.Services/IUpdateService.cs

@@ -5,7 +5,7 @@ namespace FluentTerminal.App.Services
 {
     public interface IUpdateService
     {
-        Task CheckForUpdate(bool notifyNoUpdate = false);
+        Task CheckForUpdateAsync(bool notifyNoUpdate = false);
         Version GetCurrentVersion();
         Task<Version> GetLatestVersionAsync();
     }

FluentTerminal.App.Services/Implementation/DefaultValueProvider.cs

@@ -1,9 +1,9 @@
-using FluentTerminal.App.Services.Utilities;
-using FluentTerminal.Models;
+using FluentTerminal.Models;
 using FluentTerminal.Models.Enums;
 using System;
 using System.Collections.Generic;
 using Windows.Foundation.Metadata;
+using Windows.Storage;
 
 namespace FluentTerminal.App.Services.Implementation
 {
@@ -11,6 +11,14 @@ namespace FluentTerminal.App.Services.Implementation
     {
         public ApplicationSettings GetDefaultApplicationSettings()
         {
+            var logDirectoryPath = string.Empty;
+            try
+            {
+                // Accessing ApplicationData.Current during run of unit tests causes
+                // "System.InvalidOperationException : The process has no package identity" exception.
+                logDirectoryPath = ApplicationData.Current.LocalCacheFolder.Path;
+            } catch (InvalidOperationException) { }
+
             return new ApplicationSettings
             {
                 ConfirmClosingTabs = false,
@@ -18,17 +26,23 @@ namespace FluentTerminal.App.Services.Implementation
                 UnderlineSelectedTab = false,
                 InactiveTabColorMode = InactiveTabColorMode.Background,
                 NewTerminalLocation = NewTerminalLocation.Tab,
+                TabWindowCascadingAppMenu = true,
                 TabsPosition = TabsPosition.Top,
                 CopyOnSelect = false,
                 MouseMiddleClickAction = MouseAction.None,
                 MouseRightClickAction = MouseAction.ContextMenu,
-                AlwaysShowTabs = false,
                 ShowNewOutputIndicator = false,
                 EnableTrayIcon = true,
                 ShowCustomTitleInTitlebar = true,
                 UseMoshByDefault = true,
                 AutoFallbackToWindowsUsernameInLinks = true,
-                RTrimCopiedLines = true
+                RTrimCopiedLines = true,
+                MuteTerminalBeeps = true,
+                EnableLogging = false,
+                PrintableOutputOnly = true,
+                LogDirectoryPath = logDirectoryPath,
+                UseConPty = true,
+                ShowTextCopied = false
             };
         }
 
@@ -88,6 +102,30 @@ namespace FluentTerminal.App.Services.Implementation
                     }
                 };
 
+                case Command.DuplicateTab:
+                    return new List<KeyBinding>
+                {
+                    new KeyBinding
+                    {
+                        Command = nameof(Command.DuplicateTab),
+                        Ctrl = true,
+                        Shift = true,
+                        Key = (int)ExtendedVirtualKey.D
+                    }
+                };
+
+                case Command.ReconnectTab:
+                    return new List<KeyBinding>
+                {
+                    new KeyBinding
+                    {
+                        Command = nameof(Command.ReconnectTab),
+                        Ctrl = true,
+                        Alt = true,
+                        Key = (int)ExtendedVirtualKey.R
+                    }
+                };
+
                 case Command.NewTab:
                     return new List<KeyBinding>
                 {
@@ -100,18 +138,6 @@ namespace FluentTerminal.App.Services.Implementation
                     }
                 };
 
-                case Command.ConfigurableNewTab:
-                    return new List<KeyBinding>
-                {
-                    new KeyBinding
-                    {
-                        Command = nameof(Command.ConfigurableNewTab),
-                        Ctrl = true,
-                        Alt = true,
-                        Key = (int)ExtendedVirtualKey.T
-                    }
-                };
-
                 case Command.NewSshTab:
                     return new List<KeyBinding>
                     {
@@ -136,31 +162,30 @@ namespace FluentTerminal.App.Services.Implementation
                         }
                     };
 
-                case Command.SavedSshNewTab:
+                case Command.NewCustomCommandTab:
                     return new List<KeyBinding>
                     {
                         new KeyBinding
                         {
-                            Command = nameof(Command.SavedSshNewTab),
-                            Ctrl = true,
-                            Shift = true,
-                            Key = (int)ExtendedVirtualKey.U
-                        }
-                    };
-
-                case Command.SavedSshNewWindow:
-                    return new List<KeyBinding>
-                    {
-                        new KeyBinding
-                        {
-                            Command = nameof(Command.SavedSshNewWindow),
+                            Command = nameof(Command.NewCustomCommandTab),
                             Ctrl = true,
                             Alt = true,
-                            Key = (int)ExtendedVirtualKey.U
+                            Key = (int)ExtendedVirtualKey.T
                         }
                     };
 
-
+                case Command.NewCustomCommandWindow:
+                    return new List<KeyBinding>
+                    {
+                        new KeyBinding
+                        {
+                            Command = nameof(Command.NewCustomCommandWindow),
+                            Ctrl = true,
+                            Alt = true,
+                            Key = (int)ExtendedVirtualKey.N
+                        }
+                    };
+                    
                 case Command.ChangeTabTitle:
                     return new List<KeyBinding>
                 {
@@ -197,18 +222,6 @@ namespace FluentTerminal.App.Services.Implementation
                     }
                 };
 
-                case Command.ConfigurableNewWindow:
-                    return new List<KeyBinding>
-                {
-                    new KeyBinding
-                    {
-                        Command = nameof(Command.ConfigurableNewWindow),
-                        Ctrl = true,
-                        Alt = true,
-                        Key = (int)ExtendedVirtualKey.N
-                    }
-                };
-
                 case Command.ShowSettings:
                     return new List<KeyBinding>
                 {
@@ -310,9 +323,9 @@ namespace FluentTerminal.App.Services.Implementation
                     }
                 };
 
+                default:
+                    throw new InvalidOperationException($"Default keybindings for Command '{command}' are missing");
             }
-
-            return null;
         }
 
         public Guid GetDefaultShellProfileId()
@@ -327,7 +340,7 @@ namespace FluentTerminal.App.Services.Implementation
                 new TabTheme
                 {
                     Id = 0,
-                    Name = I18N.Translate("TabTheme.None"),
+                    Name = "TabTheme.None",
                     BackgroundOpacity = double.NaN,
                     BackgroundPointerOverOpacity = double.NaN,
                     BackgroundPressedOpacity = double.NaN,
@@ -338,37 +351,37 @@ namespace FluentTerminal.App.Services.Implementation
                 new TabTheme
                 {
                     Id = 1,
-                    Name = I18N.Translate("TabTheme.Red"),
+                    Name = "TabTheme.Red",
                     Color = "#E81123"
                 },
                 new TabTheme
                 {
                     Id = 2,
-                    Name = I18N.Translate("TabTheme.Green"),
+                    Name = "TabTheme.Green",
                     Color = "#10893E"
                 },
                 new TabTheme
                 {
                     Id = 3,
-                    Name = I18N.Translate("TabTheme.Blue"),
+                    Name = "TabTheme.Blue",
                     Color = "#0078D7"
                 },
                 new TabTheme
                 {
                     Id = 4,
-                    Name = I18N.Translate("TabTheme.Purple"),
+                    Name = "TabTheme.Purple",
                     Color = "#881798"
                 },
                 new TabTheme
                 {
                     Id = 5,
-                    Name = I18N.Translate("TabTheme.Orange"),
+                    Name = "TabTheme.Orange",
                     Color = "#FF8C00"
                 },
                 new TabTheme
                 {
                     Id = 6,
-                    Name = I18N.Translate("TabTheme.Teal"),
+                    Name = "TabTheme.Teal",
                     Color = "#00B7C3"
                 }
             };
@@ -384,10 +397,12 @@ namespace FluentTerminal.App.Services.Implementation
                 ScrollBarStyle = ScrollBarStyle.Hidden,
                 FontFamily = "Consolas",
                 FontSize = 13,
-                BoldText = false,
+                FontWeight = 400,
                 BackgroundOpacity = 0.8,
                 Padding = 12,
-                ScrollBackLimit = 1000
+                ScrollBackLimit = 1000,
+                WordSeparator = " ()[]{}:;|│!&*<>@&quot;&squo;",
+                UseAcrylicBackground = true
             };
         }
 
@@ -404,12 +419,17 @@ namespace FluentTerminal.App.Services.Implementation
                 {
                     Id = GetDefaultShellProfileId(),
                     Name = "Powershell",
+                    MigrationVersion = ShellProfile.CurrentMigrationVersion,
                     Arguments = string.Empty,
                     Location = @"C:\windows\system32\WindowsPowerShell\v1.0\powershell.exe",
                     PreInstalled = true,
                     WorkingDirectory = string.Empty,
-                    LineEndingTranslation = LineEndingStyle.DoNotModify,
                     UseConPty = ApiInformation.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 8), // Windows 10 1903+
+                    UseBuffer = false,
+                    EnvironmentVariables = new Dictionary<string, string>
+                    {
+                        ["TERM"] = "xterm-256color"
+                    },
                     KeyBindings = new []
                     {
                         new KeyBinding
@@ -427,12 +447,17 @@ namespace FluentTerminal.App.Services.Implementation
                 {
                     Id = Guid.Parse("ab942a61-7673-4755-9bd8-765aff91d9a3"),
                     Name = "CMD",
+                    MigrationVersion = ShellProfile.CurrentMigrationVersion,
                     Arguments = string.Empty,
                     Location = @"C:\Windows\System32\cmd.exe",
                     PreInstalled = true,
                     WorkingDirectory = string.Empty,
-                    LineEndingTranslation = LineEndingStyle.DoNotModify,
                     UseConPty = ApiInformation.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 7), // Windows 10 1809+
+                    UseBuffer = true,
+                    EnvironmentVariables = new Dictionary<string, string>
+                    {
+                        ["TERM"] = "xterm-256color"
+                    },
                     KeyBindings = new []
                     {
                         new KeyBinding
@@ -450,12 +475,17 @@ namespace FluentTerminal.App.Services.Implementation
                 {
                     Id= Guid.Parse("e5785ad6-584f-40cb-bdcd-d5b3b3953e7f"),
                     Name = "WSL",
+                    MigrationVersion = ShellProfile.CurrentMigrationVersion,
                     Arguments = string.Empty,
                     Location = @"C:\windows\system32\wsl.exe",
                     PreInstalled = true,
                     WorkingDirectory = string.Empty,
-                    LineEndingTranslation = LineEndingStyle.ToLF,
                     UseConPty = ApiInformation.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 7), // Windows 10 1809+
+                    UseBuffer = true, //TODO: Set to false if the buffer causes issues with WSL.
+                    EnvironmentVariables = new Dictionary<string, string>
+                    {
+                        ["TERM"] = "xterm-256color"
+                    },
                     KeyBindings = new []
                     {
                         new KeyBinding

FluentTerminal.App.Services/Implementation/DialogService.cs

@@ -7,24 +7,24 @@ namespace FluentTerminal.App.Services.Implementation
 {
     public class DialogService : IDialogService
     {
-        private readonly Func<IShellProfileSelectionDialog> _shellProfileSelectionDialogFactory;
         private readonly Func<IMessageDialog> _messageDialogFactory;
         private readonly Func<ICreateKeyBindingDialog> _createKeyBindingDialogFactory;
         private readonly Func<IInputDialog> _inputDialogFactory;
         private readonly Func<ISshConnectionInfoDialog> _sshConnectionInfoDialogFactory;
-        private readonly Func<ISshProfileSelectionDialog> _sshProfileSelectionDialogFactory;
+        private readonly Func<ICustomCommandDialog> _customCommandDialogFactory;
+        private readonly Func<IAboutDialog> _aboutDialogFactory;
 
-        public DialogService(Func<IShellProfileSelectionDialog> shellProfileSelectionDialogFactory,
-            Func<IMessageDialog> messageDialogFactory, Func<ICreateKeyBindingDialog> createKeyBindingDialogFactory,
+        public DialogService(Func<IMessageDialog> messageDialogFactory, Func<ICreateKeyBindingDialog> createKeyBindingDialogFactory,
             Func<IInputDialog> inputDialogFactory, Func<ISshConnectionInfoDialog> sshConnectionInfoDialogFactory,
-            Func<ISshProfileSelectionDialog> sshProfileSelectionDialogFactory)
+            Func<ICustomCommandDialog> customCommandDialogFactory,
+            Func<IAboutDialog> aboutDialogFactory)
         {
-            _shellProfileSelectionDialogFactory = shellProfileSelectionDialogFactory;
             _messageDialogFactory = messageDialogFactory;
             _createKeyBindingDialogFactory = createKeyBindingDialogFactory;
             _inputDialogFactory = inputDialogFactory;
             _sshConnectionInfoDialogFactory = sshConnectionInfoDialogFactory;
-            _sshProfileSelectionDialogFactory = sshProfileSelectionDialogFactory;
+            _customCommandDialogFactory = customCommandDialogFactory;
+            _aboutDialogFactory = aboutDialogFactory;
         }
 
         public Task<KeyBinding> ShowCreateKeyBindingDialog()
@@ -34,7 +34,7 @@ namespace FluentTerminal.App.Services.Implementation
             return dialog.CreateKeyBinding();
         }
 
-        public Task<DialogButton> ShowMessageDialogAsnyc(string title, string content, params DialogButton[] buttons)
+        public Task<DialogButton> ShowMessageDialogAsync(string title, string content, params DialogButton[] buttons)
         {
             if (string.IsNullOrWhiteSpace(title))
             {
@@ -71,21 +71,17 @@ namespace FluentTerminal.App.Services.Implementation
             return dialog.GetInput();
         }
 
-        public Task<ShellProfile> ShowProfileSelectionDialogAsync()
-        {
-            var dialog = _shellProfileSelectionDialogFactory();
-
-            return dialog.SelectProfile();
-        }
-
-        public Task<ISshConnectionInfo> ShowSshConnectionInfoDialogAsync(ISshConnectionInfo input) =>
+        public Task<SshProfile> ShowSshConnectionInfoDialogAsync(SshProfile input = null) =>
             _sshConnectionInfoDialogFactory().GetSshConnectionInfoAsync(input);
 
-        public Task<SshProfile> ShowSshProfileSelectionDialogAsync()
-        {
-            var dialog = _sshProfileSelectionDialogFactory();
+        public Task<ShellProfile> ShowCustomCommandDialogAsync(ShellProfile input = null) =>
+            _customCommandDialogFactory().GetCustomCommandAsync(input);
 
-            return dialog.SelectProfile();
+        public Task ShowAboutDialogAsync()
+        {
+            var dialog = _aboutDialogFactory();
+
+            return dialog.ShowAsync();
         }
     }
 }

FluentTerminal.App.Services/Implementation/FluentTerminalThemeParser.cs

@@ -9,9 +9,20 @@ namespace FluentTerminal.App.Services.Implementation
 {
     public class FluentTerminalThemeParser : IThemeParser
     {
-        public IEnumerable<string> SupportedFileTypes { get; } = new string[] { ".flutecolors" };
+        public IEnumerable<string> SupportedFileTypes { get; } = new[] { ".flutecolors" };
 
-        public async Task<TerminalTheme> Parse(string fileName, Stream fileContent)
+        public Task<ExportedTerminalTheme> Import(string fileName, Stream fileContent)
+        {
+            return DeserializeThemeAsync<ExportedTerminalTheme>(fileName, fileContent);
+        }
+
+        public Task<TerminalTheme> Parse(string fileName, Stream fileContent)
+        {
+            return DeserializeThemeAsync<TerminalTheme>(fileName, fileContent);
+        }
+
+        private async Task<T> DeserializeThemeAsync<T>(string fileName, Stream fileContent)
+            where T : TerminalTheme
         {
             if (string.IsNullOrWhiteSpace(fileName))
             {
@@ -25,8 +36,8 @@ namespace FluentTerminal.App.Services.Implementation
 
             using (var streamReader = new StreamReader(fileContent))
             {
-                var content = await streamReader.ReadToEndAsync();
-                var theme = JsonConvert.DeserializeObject<TerminalTheme>(content);
+                var content = await streamReader.ReadToEndAsync().ConfigureAwait(false);
+                var theme = JsonConvert.DeserializeObject<T>(content);
 
                 theme.PreInstalled = false;
                 theme.Id = Guid.NewGuid();

FluentTerminal.App.Services/Implementation/ITermThemeParser.cs

@@ -7,6 +7,7 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Threading.Tasks;
+// ReSharper disable InconsistentNaming
 
 namespace FluentTerminal.App.Services.Implementation
 {
@@ -14,7 +15,7 @@ namespace FluentTerminal.App.Services.Implementation
     {
         private const byte Opacity30Percent = 77;
 
-        public IEnumerable<string> SupportedFileTypes { get; } = new string[] { ".itermcolors" };
+        public IEnumerable<string> SupportedFileTypes { get; } = new[] { ".itermcolors" };
 
         private static class ITermThemeKeys
         {
@@ -36,7 +37,7 @@ namespace FluentTerminal.App.Services.Implementation
             public const string Ansi15Color = "Ansi 15 Color";
 
             public const string BackgroundColor = "Background Color";
-            public const string BoldColor = "Bold Color";
+            //public const string BoldColor = "Bold Color";
             public const string CursorColor = "Cursor Color";
             public const string CursorTextColor = "Cursor Text Color";
             public const string ForegroundColor = "Foreground Color";
@@ -51,7 +52,7 @@ namespace FluentTerminal.App.Services.Implementation
             public const string RedComponent = "Red Component";
         }
 
-        public async Task<TerminalTheme> Parse(string fileName, Stream fileContent)
+        public Task<TerminalTheme> Parse(string fileName, Stream fileContent)
         {
             if (string.IsNullOrWhiteSpace(fileName))
             {
@@ -65,13 +66,13 @@ namespace FluentTerminal.App.Services.Implementation
 
             var node = PList.Load(fileContent) as DictionaryNode ?? throw new ParseThemeException("Root node was not a dictionary.");
 
-            return new TerminalTheme
+            return Task.FromResult(new TerminalTheme
             {
                 Name = Path.GetFileNameWithoutExtension(fileName),
                 Colors = GetColors(node),
                 Id = Guid.NewGuid(),
                 PreInstalled = false
-            };
+            });
         }
 
         private TerminalColors GetColors(DictionaryNode themeDictionary)
@@ -83,6 +84,8 @@ namespace FluentTerminal.App.Services.Implementation
                 Cursor = GetColorString(themeDictionary[ITermThemeKeys.CursorColor]),
                 CursorAccent = GetColorString(themeDictionary[ITermThemeKeys.CursorTextColor]),
                 Selection = GetColorString(themeDictionary[ITermThemeKeys.SelectionColor], Opacity30Percent),
+                SelectionForeground = GetColorString(themeDictionary[ITermThemeKeys.SelectedTextColor]),
+                SelectionBackground = GetColorString(themeDictionary[ITermThemeKeys.SelectionColor]),
                 Black = GetColorString(themeDictionary[ITermThemeKeys.Ansi0Color]),
                 Red = GetColorString(themeDictionary[ITermThemeKeys.Ansi1Color]),
                 Green = GetColorString(themeDictionary[ITermThemeKeys.Ansi2Color]),
@@ -110,8 +113,6 @@ namespace FluentTerminal.App.Services.Implementation
             var green = dictionaryNode[ITermThemeColorKeys.GreenComponent] as RealNode ?? throw new ParseThemeException("Green node value was not a real number");
             var blue = dictionaryNode[ITermThemeColorKeys.BlueComponent] as RealNode ?? throw new ParseThemeException("Blue node value was not a real number");
 
-            var color = $"#{alpha:X2}{GetByteValue(red):X2}{GetByteValue(green):X2}{GetByteValue(blue):X2}";
-
             if (alpha == byte.MaxValue)
             {
                 return $"#{GetByteValue(red):X2}{GetByteValue(green):X2}{GetByteValue(blue):X2}";
@@ -133,5 +134,30 @@ namespace FluentTerminal.App.Services.Implementation
         {
             return (alpha / 256.0).ToString(CultureInfo.InvariantCulture);
         }
+
+        public Task<ExportedTerminalTheme> Import(string fileName, Stream fileContent)
+        {
+            if (string.IsNullOrWhiteSpace(fileName))
+            {
+                throw new ArgumentNullException(nameof(fileName));
+            }
+
+            if (fileContent == null)
+            {
+                throw new ArgumentNullException(nameof(fileContent));
+            }
+
+            var node = PList.Load(fileContent) as DictionaryNode ?? throw new ParseThemeException("Root node was not a dictionary.");
+
+            var terminalTheme = new TerminalTheme
+            {
+                Name = Path.GetFileNameWithoutExtension(fileName),
+                Colors = GetColors(node),
+                Id = Guid.NewGuid(),
+                PreInstalled = false
+            };
+
+            return Task.FromResult(new ExportedTerminalTheme(terminalTheme, string.Empty));
+        }
     }
 }

FluentTerminal.App.Services/Implementation/KeyboardCommandService.cs

@@ -42,5 +42,10 @@ namespace FluentTerminal.App.Services.Implementation
 
             throw new KeyNotFoundException($"No handler registered for command: {command}");
         }
+
+        public void ClearCommandHandlers()
+        {
+            _commandHandlers.Clear();
+        }
     }
 }

FluentTerminal.App.Services/Implementation/MoshBackwardCompatibility.cs

@@ -0,0 +1,94 @@
+using System;
+using System.Text.RegularExpressions;
+using FluentTerminal.Models;
+
+namespace FluentTerminal.App.Services.Implementation
+{
+    // The purpose of this class is to ensure backward compatibility of mosh profiles and command history
+    // TODO: This class should be probably deleted in few months or so
+    public static class MoshBackwardCompatibility
+    {
+        private static readonly string MoshCommandExe = $"{Constants.MoshCommandName}.exe";
+
+        private static readonly Regex OldFormatRx = new Regex(@".+\s(?<ports>\d{1,5}:\d{1,5})$", RegexOptions.Compiled);
+
+        private static readonly Regex TargetRx =
+            new Regex(@"(^|\s+)(?<user>[^\s@;]+)@(?<host>[^\s@:]+)(:(?<port>\d{1,5}))?\s+", RegexOptions.Compiled);
+
+        private static bool IsMoshProfile(ShellProfile profile) =>
+            Constants.MoshCommandName.Equals(profile.Location, StringComparison.OrdinalIgnoreCase) ||
+            MoshCommandExe.Equals(profile.Location, StringComparison.OrdinalIgnoreCase);
+
+        /// <summary>
+        /// Checks if the profile contains obsolete mosh syntax, and changes it if it does.
+        /// </summary>
+        /// <param name="profile">The profile. Note that the method doesn't change the input profile at all, but creates and
+        /// returns its clone if there's something to change.</param>
+        /// <remarks>
+        /// The method actually checks if <see cref="ShellProfile.Arguments"/> of the input <paramref name="profile"/> is in
+        /// obsolete <c>mosh</c> format <c>[ssh_arguments] [target] [mosh_port_range]</c>, and if it is changes it to the new
+        /// format <c>--ssh="[ssh_arguments]" -p [mosh_ports] [target]</c>.
+        /// </remarks>
+        /// <returns>
+        /// If the method detected that the input profile is obsolete mosh profile, it will create its clone with the updated
+        /// command line arguments, and return it. Otherwise it will simply return unchanged input profile (the same reference
+        /// as the input profile). It allows us to simply check if anything is changed by comparing the input and output
+        /// profiles for reference equality.
+        /// </returns>
+        public static ShellProfile FixProfile(ShellProfile profile)
+        {
+            // If there aren't any arguments, or if the profile isn't a mosh profile, there's nothing to do. Just return.
+            if (string.IsNullOrWhiteSpace(profile.Arguments) || !IsMoshProfile(profile)) return profile;
+
+            var arguments = profile.Arguments.Trim();
+
+            var moshPortsMatch = OldFormatRx.Match(arguments);
+
+            if (!moshPortsMatch.Success) return profile;// Arguments don't end with mosh ports (i.e. 60000:61000), so it isn't an obsolete format.
+
+            var targetMatches = TargetRx.Matches(arguments);
+
+            if (targetMatches.Count != 1) return profile;// Target part (user@host:port) not found or found multiple times. Cannot reliably determine the target, so don't change.
+
+            var targetMatch = targetMatches[0];
+
+            // Removing [mosh_ports] from the original arguments
+            arguments = arguments.Substring(0, arguments.Length - moshPortsMatch.Groups["ports"].Length).Trim();
+
+            var newProfile = profile.Clone();
+
+            // Removing [target] from the original arguments, thus getting "pure" ssh arguments
+            var sshArguments = targetMatch.Index > 0 ? arguments.Substring(0, targetMatch.Index).Trim() : string.Empty;
+
+            if (targetMatch.Index + targetMatch.Length < arguments.Length)
+            {
+                sshArguments += $" {arguments.Substring(targetMatch.Index + targetMatch.Length).Trim()}";
+            }
+
+            // If the ssh port is defined in the original target (i.e. user@host:port), which was allowed in the obsolete mosh, extracting the port part into a separate ssh argument
+            if (targetMatch.Groups["port"].Success && uint.TryParse(targetMatch.Groups["port"].Value, out var port) &&
+                port != SshProfile.DefaultSshPort)
+            {
+                sshArguments += $" -p {targetMatch.Groups["port"].Value}";
+            }
+
+            // Replacing any double quotes in ssh arguments with single quotes, since ssh arguments will be double-quoted as a whole
+            sshArguments = sshArguments.Replace("\"", "'").Trim();
+
+            arguments = $"-p {moshPortsMatch.Groups["ports"].Value}";
+
+            if (!string.IsNullOrEmpty(sshArguments))
+            {
+                // If there were some ssh arguments, add them as defined in the new format
+                arguments += $" --ssh=\"ssh {sshArguments}\"";
+            }
+
+            // Finally append the target to the arguments
+            arguments += $" {targetMatch.Groups["user"]}@{targetMatch.Groups["host"]}";
+
+            newProfile.Arguments = arguments;
+
+            return newProfile;
+        }
+    }
+}

FluentTerminal.App.Services/Implementation/SettingsService.cs

@@ -5,6 +5,9 @@ using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
+using FluentTerminal.App.Services.Utilities;
+using FluentTerminal.Models.Messages;
+using GalaSoft.MvvmLight.Messaging;
 
 namespace FluentTerminal.App.Services.Implementation
 {
@@ -68,7 +71,7 @@ namespace FluentTerminal.App.Services.Implementation
                 config.Themes.Add(theme);
             }
 
-            foreach (var profile in GetShellProfiles().Where(x => !x.PreInstalled))
+            foreach (var profile in GetShellProfiles())
             {
                 config.Profiles.Add(profile);
             }
@@ -78,7 +81,7 @@ namespace FluentTerminal.App.Services.Implementation
                 config.SshProfiles.Add(profile);
             }
 
-            return JsonConvert.SerializeObject(config);
+            return JsonConvert.SerializeObject(config, PreserveDictionaryKeyCaseContractResolver.SerializerSettings);
         }
 
         public void ImportSettings(string serializedSettings)
@@ -114,22 +117,18 @@ namespace FluentTerminal.App.Services.Implementation
                 SaveTheme(theme, existingTheme != null);
             }
 
-            // Can't create pre-installed profiles
-            foreach (var profile in config.Profiles.Where(x => !x.PreInstalled))
+            foreach (var profile in config.Profiles)
             {
                 var existingProfile = GetShellProfile(profile.Id);
-                var isNew = existingProfile.EqualTo(default);
+                var isNew = existingProfile == default;
 
-                // You can only edit certain parts of preinstalled profiles
                 if (!isNew && existingProfile.PreInstalled)
                 {
-                    existingProfile.WorkingDirectory = profile.WorkingDirectory;
-                    existingProfile.Arguments = profile.Arguments;
-                    existingProfile.TabThemeId = profile.TabThemeId;
-                    existingProfile.TerminalThemeId = profile.TerminalThemeId;
-                    existingProfile.LineEndingTranslation = profile.LineEndingTranslation;
-                    existingProfile.KeyBindings = profile.KeyBindings;
-                    SaveShellProfile(profile, isNew);
+                    // those cannot be edited
+                    profile.Name = existingProfile.Name;
+                    profile.Location = existingProfile.Location;
+
+                    SaveShellProfile(profile, false);
                     continue;
                 }
                 SaveShellProfile(profile, isNew);
@@ -138,7 +137,7 @@ namespace FluentTerminal.App.Services.Implementation
             foreach (var profile in config.SshProfiles)
             {
                 var existingProfile = GetSshProfile(profile.Id);
-                var isNew = existingProfile.EqualTo(default(SshProfile));
+                var isNew = existingProfile == default;
 
                 SaveSshProfile(profile, isNew);
             }
@@ -146,33 +145,17 @@ namespace FluentTerminal.App.Services.Implementation
             SaveTerminalOptions(config.TerminalOptions);
         }
 
-        public event EventHandler<ApplicationSettings> ApplicationSettingsChanged;
-
-        public event EventHandler<TerminalTheme> ThemeAdded;
-        public event EventHandler<Guid> CurrentThemeChanged;
-        public event EventHandler<Guid> ThemeDeleted;
-
-        public event EventHandler KeyBindingsChanged;
-
-        public event EventHandler<ShellProfile> ShellProfileAdded;
-        public event EventHandler<Guid> ShellProfileDeleted;
-
-        public event EventHandler<SshProfile> SshProfileAdded;
-        public event EventHandler<Guid> SshProfileDeleted;
-
-        public event EventHandler<TerminalOptions> TerminalOptionsChanged;
-
         public void DeleteShellProfile(Guid id)
         {
             _shellProfiles.Delete(id.ToString());
-            ShellProfileDeleted?.Invoke(this, id);
+            Messenger.Default.Send(new ShellProfileDeletedMessage(id));
         }
 
         public void DeleteSshProfile(Guid id)
         {
             _sshProfiles.Delete(id.ToString());
-            SshProfileDeleted?.Invoke(this, id);
-            KeyBindingsChanged?.Invoke(this, System.EventArgs.Empty);
+            Messenger.Default.Send(new ShellProfileDeletedMessage(id));
+            Messenger.Default.Send(new KeyBindingsChangedMessage());
         }
 
 
@@ -189,7 +172,7 @@ namespace FluentTerminal.App.Services.Implementation
                 }
             }
 
-            ThemeDeleted?.Invoke(this, id);
+            Messenger.Default.Send(new ThemeDeletedMessage(id));
         }
 
         public ApplicationSettings GetApplicationSettings()
@@ -231,13 +214,6 @@ namespace FluentTerminal.App.Services.Implementation
             }
             return profile;
         }
-        public SshProfile GetDefaultSshProfile()
-        {
-            var id = GetDefaultSshProfileId();
-            var profile = _sshProfiles.ReadValueFromJson(id.ToString(), default(SshProfile));
-
-            return profile;
-        }
 
         public ShellProfile GetShellProfile(Guid id)
         {
@@ -256,14 +232,6 @@ namespace FluentTerminal.App.Services.Implementation
             }
             return _defaultValueProvider.GetDefaultShellProfileId();
         }
-        public Guid GetDefaultSshProfileId()
-        {
-            if (_localSettings.TryGetValue(DefaultSshProfileKey, out object value))
-            {
-                return (Guid)value;
-            }
-            return System.Guid.Empty;
-        }
 
         public IDictionary<string, ICollection<KeyBinding>> GetCommandKeyBindings()
         {
@@ -278,15 +246,43 @@ namespace FluentTerminal.App.Services.Implementation
 
         public IEnumerable<ShellProfile> GetShellProfiles()
         {
-            return _shellProfiles.GetAll().Select(x => JsonConvert.DeserializeObject<ShellProfile>((string)x)).ToList();
+            return _shellProfiles.GetAll().Select(x => JsonConvert.DeserializeObject<ShellProfile>((string) x))
+                .Select(MoshBackwardCompatibilityFixProfile);
         }
+
         public IEnumerable<SshProfile> GetSshProfiles()
         {
-            if (_sshProfiles == null)
-                return new List<SshProfile>();
+            return _sshProfiles.GetAll().Select(x => JsonConvert.DeserializeObject<SshProfile>((string) x))
+                .Select(MoshBackwardCompatibilityFixProfile).Cast<SshProfile>();
+        }
+
+        public IEnumerable<ShellProfile> GetAllProfiles()
+        {
+            return GetShellProfiles().Union(GetSshProfiles());
+        }
+
+        private ShellProfile MoshBackwardCompatibilityFixProfile(ShellProfile profile)
+        {
+            var fixedProfile = MoshBackwardCompatibility.FixProfile(profile);
+
+            if (ReferenceEquals(fixedProfile, profile))
+            {
+                // Nothing changed
+                return fixedProfile;
+            }
+
+            if (fixedProfile is SshProfile sshProfile)
+            {
+                DeleteSshProfile(profile.Id);
+                SaveSshProfile(sshProfile);
+            }
             else
-                return _sshProfiles.GetAll()
-                    .Select(x => JsonConvert.DeserializeObject<SshProfile>((string) x)).ToList();
+            {
+                DeleteShellProfile(profile.Id);
+                SaveShellProfile(fixedProfile);
+            }
+
+            return fixedProfile;
         }
 
         public IEnumerable<TabTheme> GetTabThemes()
@@ -316,29 +312,32 @@ namespace FluentTerminal.App.Services.Implementation
                 _keyBindings.WriteValueAsJson(command.ToString(), _defaultValueProvider.GetDefaultKeyBindings(command));
             }
 
-            KeyBindingsChanged?.Invoke(this, System.EventArgs.Empty);
+            Messenger.Default.Send(new KeyBindingsChangedMessage());
         }
 
         public void SaveApplicationSettings(ApplicationSettings applicationSettings)
         {
             _roamingSettings.WriteValueAsJson(nameof(ApplicationSettings), applicationSettings);
-            ApplicationSettingsChanged?.Invoke(this, applicationSettings);
+            Messenger.Default.Send(new ApplicationSettingsChangedMessage(applicationSettings.Clone()));
+        }
+
+        public void NotifyApplicationSettingsChanged(ApplicationSettings applicationSettings)
+        {
+            Messenger.Default.Send(new ApplicationSettingsChangedMessage(applicationSettings.Clone()));
         }
 
         public void SaveCurrentThemeId(Guid id)
         {
             _roamingSettings.SetValue(CurrentThemeKey, id);
 
-            CurrentThemeChanged?.Invoke(this, id);
+            Messenger.Default.Send(new CurrentThemeChangedMessage(id));
         }
 
         public void SaveDefaultShellProfileId(Guid id)
         {
             _localSettings.SetValue(DefaultShellProfileKey, id);
-        }
-        public void SaveDefaultSshProfileId(Guid id)
-        {
-            _localSettings.SetValue(DefaultSshProfileKey, id);
+
+            Messenger.Default.Send(new DefaultShellProfileChangedMessage(id));
         }
 
         public void SaveKeyBindings(string command, ICollection<KeyBinding> keyBindings)
@@ -349,7 +348,7 @@ namespace FluentTerminal.App.Services.Implementation
             }
 
             _keyBindings.WriteValueAsJson(enumValue.ToString(), keyBindings);
-            KeyBindingsChanged?.Invoke(this, System.EventArgs.Empty);
+            Messenger.Default.Send(new KeyBindingsChangedMessage());
         }
 
         public void SaveShellProfile(ShellProfile shellProfile, bool newShell = false)
@@ -357,30 +356,39 @@ namespace FluentTerminal.App.Services.Implementation
             _shellProfiles.WriteValueAsJson(shellProfile.Id.ToString(), shellProfile);
 
             // When saving the shell profile, we also need to update keybindings for everywhere.
-            KeyBindingsChanged?.Invoke(this, System.EventArgs.Empty);
+            Messenger.Default.Send(new KeyBindingsChangedMessage());
 
             if (newShell)
             {
-                ShellProfileAdded?.Invoke(this, shellProfile);
+                Messenger.Default.Send(new ShellProfileAddedMessage(shellProfile));
+            }
+            else
+            {
+                Messenger.Default.Send(new ShellProfileChangedMessage(shellProfile));
             }
         }
+
         public void SaveSshProfile(SshProfile sshProfile, bool newShell = false)
         {
             _sshProfiles.WriteValueAsJson(sshProfile.Id.ToString(), sshProfile);
 
             // When saving the shell profile, we also need to update keybindings for everywhere.
-            KeyBindingsChanged?.Invoke(this, System.EventArgs.Empty);
+            Messenger.Default.Send(new KeyBindingsChangedMessage());
 
             if (newShell)
             {
-                SshProfileAdded?.Invoke(this, sshProfile);
+                Messenger.Default.Send(new ShellProfileAddedMessage(sshProfile));
+            }
+            else
+            {
+                Messenger.Default.Send(new ShellProfileChangedMessage(sshProfile));
             }
         }
 
         public void SaveTerminalOptions(TerminalOptions terminalOptions)
         {
             _roamingSettings.WriteValueAsJson(nameof(TerminalOptions), terminalOptions);
-            TerminalOptionsChanged?.Invoke(this, terminalOptions);
+            Messenger.Default.Send(new TerminalOptionsChangedMessage(terminalOptions));
         }
 
         public void SaveTheme(TerminalTheme theme, bool newTheme = false)
@@ -389,12 +397,12 @@ namespace FluentTerminal.App.Services.Implementation
 
             if (theme.Id == GetCurrentThemeId())
             {
-                CurrentThemeChanged?.Invoke(this, theme.Id);
+                Messenger.Default.Send(new CurrentThemeChangedMessage(theme.Id));
             }
 
             if (newTheme)
             {
-                ThemeAdded?.Invoke(this, theme);
+                Messenger.Default.Send(new ThemeAddedMessage(theme));
             }
         }
     }

FluentTerminal.App.Services/Implementation/ShellProfileMigrationService.cs

@@ -0,0 +1,32 @@
+using FluentTerminal.Models;
+using System;
+using System.Collections.Generic;
+
+namespace FluentTerminal.App.Services.Implementation
+{
+    public class ShellProfileMigrationService : IShellProfileMigrationService
+    {
+        private readonly Dictionary<int, Action<ShellProfile>> _migrationSteps = new Dictionary<int, Action<ShellProfile>>
+        {
+            [1] = new Action<ShellProfile>(profile =>
+            {
+                profile.EnvironmentVariables["TERM"] = "xterm-256color";
+            })
+        };
+
+
+        public void Migrate(ShellProfile profile)
+        {
+            while(profile.MigrationVersion < ShellProfile.CurrentMigrationVersion)
+            {
+                ApplyMigrationStep(profile, profile.MigrationVersion + 1);
+            }
+        }
+
+        private void ApplyMigrationStep(ShellProfile profile, int targetVersion)
+        {
+            _migrationSteps[targetVersion](profile);
+            profile.MigrationVersion = targetVersion;
+        }
+    }
+}

FluentTerminal.App.Services/Implementation/ThemeParserFactory.cs

@@ -5,7 +5,7 @@ namespace FluentTerminal.App.Services.Implementation
 {
     public class ThemeParserFactory : IThemeParserFactory
     {
-        private IEnumerable<IThemeParser> _parsers;
+        private readonly IEnumerable<IThemeParser> _parsers;
 
         public IEnumerable<string> SupportedFileTypes { get; }
 

FluentTerminal.App.Services/Implementation/TrayProcessCommunicationService.cs

@@ -1,4 +1,5 @@
-using FluentTerminal.Models;
+using FluentTerminal.App.Services.Exceptions;
+using FluentTerminal.Models;
 using FluentTerminal.Models.Enums;
 using FluentTerminal.Models.Requests;
 using FluentTerminal.Models.Responses;
@@ -7,14 +8,35 @@ using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using Windows.Foundation.Collections;
+using FluentTerminal.App.Services.Utilities;
 
 namespace FluentTerminal.App.Services.Implementation
 {
     public class TrayProcessCommunicationService : ITrayProcessCommunicationService
     {
+        #region Static
+
+        private static string _userName;
+        private static string _sshConfigDir;
+        private static readonly Dictionary<string, string> CommandPaths = new Dictionary<string, string>();
+        private static readonly Dictionary<string, string> CommandErrors = new Dictionary<string, string>();
+
+        private static ValueSet CreateMessage(IMessage content)
+        {
+            return new ValueSet
+            {
+                [MessageKeys.Type] = content.Identifier,
+                [MessageKeys.Content] = JsonConvert.SerializeObject(content,
+                    PreserveDictionaryKeyCaseContractResolver.SerializerSettings)
+            };
+        }
+
+        #endregion Static
+
         private readonly ISettingsService _settingsService;
         private IAppServiceConnection _appServiceConnection;
         private readonly Dictionary<byte, Action<byte[]>> _terminalOutputHandlers;
+        // ReSharper disable once RedundantDefaultMemberInitializer
         private byte _nextTerminalId = 0;
 
         public event EventHandler<TerminalExitStatus> TerminalExited;
@@ -30,21 +52,7 @@ namespace FluentTerminal.App.Services.Implementation
             return _nextTerminalId++;
         }
 
-        public async Task<GetAvailablePortResponse> GetAvailablePort()
-        {
-            var request = new GetAvailablePortRequest();
-
-            var responseMessage = await _appServiceConnection.SendMessageAsync(CreateMessage(request));
-            var response = JsonConvert.DeserializeObject<GetAvailablePortResponse>((string)responseMessage[MessageKeys.Content]);
-
-            Logger.Instance.Debug("Received GetAvailablePortResponse: {@response}", response);
-
-            return response;
-        }
-
-        private string _userName;
-
-        public async Task<string> GetUserName()
+        public async Task<string> GetUserNameAsync()
         {
             if (!string.IsNullOrEmpty(_userName))
             {
@@ -52,52 +60,56 @@ namespace FluentTerminal.App.Services.Implementation
                 return _userName;
             }
 
-            GetUserNameResponse response;
+            var response = await GetResponseAsync<StringValueResponse>(new GetUserNameRequest()).ConfigureAwait(false);
 
-            // No need to crash for username, so try/catch
-            try
+            if (response.Success)
             {
-                var responseMessage = await _appServiceConnection.SendMessageAsync(CreateMessage(new GetUserNameRequest()));
-                response = JsonConvert.DeserializeObject<GetUserNameResponse>((string)responseMessage[MessageKeys.Content]);
+                _userName = response.Value;
             }
-            catch (Exception e)
-            {
-                Logger.Instance.Error(e, "Error while trying to get username.");
-
-                return null;
-            }
-
-            Logger.Instance.Debug("Received GetUserNameResponse: {@response}", response);
-
-            _userName = response.UserName;
 
             return _userName;
         }
 
         public async Task SaveTextFileAsync(string path, string content)
         {
-            var responseMessage = await _appServiceConnection.SendMessageAsync(CreateMessage(new SaveTextFileRequest {Path = path, Content = content}));
-
-            var response = JsonConvert.DeserializeObject<CommonResponse>((string)responseMessage[MessageKeys.Content]);
+            var response =
+                await GetResponseAsync<CommonResponse>(new SaveTextFileRequest {Path = path, Content = content})
+                    .ConfigureAwait(false);
 
             if (!response.Success)
             {
-                throw new Exception(string.IsNullOrEmpty(response.Error) ? "Failed to save the file." : response.Error);
+                throw new SaveTextFileException(string.IsNullOrEmpty(response.Error)
+                    ? "Failed to save the file."
+                    : response.Error);
             }
         }
 
-        private static string _sshConfigDir;
+        public async Task<string> ReadTextFileAsync(string path)
+        {
+            var response = await GetResponseAsync<StringValueResponse>(new ReadTextFileRequest { Path = path }).ConfigureAwait(false);
+
+            if (!response.Success)
+            {
+                throw new ReadTextFileException(string.IsNullOrWhiteSpace(response.Error) ? "Failed to read the file." : response.Error);
+            }
+
+            return response.Value;
+        }
 
         public async Task<string> GetSshConfigDirAsync()
         {
-            if (string.IsNullOrEmpty(_sshConfigDir))
+            if (!string.IsNullOrEmpty(_sshConfigDir))
             {
-                var response = await GetSshConfigFolderAsync(false);
+                return _sshConfigDir;
+            }
 
-                if (response?.Success ?? false)
-                {
-                    _sshConfigDir = response.Path;
-                }
+            var response =
+                await GetResponseAsync<GetSshConfigFolderResponse>(new GetSshConfigFolderRequest
+                    { IncludeContent = false }).ConfigureAwait(false);
+
+            if (response.Success)
+            {
+                _sshConfigDir = response.Path;
             }
 
             return _sshConfigDir;
@@ -105,40 +117,40 @@ namespace FluentTerminal.App.Services.Implementation
 
         public async Task<string[]> GetFilesFromSshConfigDirAsync()
         {
-            var response = await GetSshConfigFolderAsync(false);
+            var response =
+                await GetResponseAsync<GetSshConfigFolderResponse>(new GetSshConfigFolderRequest
+                    {IncludeContent = true}).ConfigureAwait(false);
 
-            if (response == null || !response.Success)
-            {
-                return null;
-            }
-
-            if (string.IsNullOrEmpty(_sshConfigDir))
+            if (response.Success)
             {
                 _sshConfigDir = response.Path;
+
+                return response.Files;
             }
 
-            return response.Files;
-        }
-
-        private async Task<GetSshConfigFolderResponse> GetSshConfigFolderAsync(bool includeContent)
-        {
-            var responseMessage =
-                await _appServiceConnection.SendMessageAsync(CreateMessage(new GetSshConfigFolderRequest
-                    {IncludeContent = includeContent}));
-
-            return JsonConvert.DeserializeObject<GetSshConfigFolderResponse>(
-                (string) responseMessage[MessageKeys.Content]);
+            return null;
         }
 
         public async Task<bool> CheckFileExistsAsync(string path)
         {
-            var responseMessage =
-                await _appServiceConnection.SendMessageAsync(CreateMessage(new CheckFileExistsRequest {Path = path}));
+            var response = await GetResponseAsync<CommonResponse>(new CheckFileExistsRequest {Path = path})
+                .ConfigureAwait(false);
 
-            return JsonConvert.DeserializeObject<CommonResponse>((string) responseMessage[MessageKeys.Content]).Success;
+            return response.Success;
         }
 
-        public async Task<CreateTerminalResponse> CreateTerminal(byte id, TerminalSize size, ShellProfile shellProfile, SessionType sessionType)
+        public Task MuteTerminalAsync(bool mute)
+        {
+            return _appServiceConnection.SendMessageAsync(CreateMessage(new MuteTerminalRequest {Mute = mute}));
+        }
+
+        public void UpdateSettings(ApplicationSettings settings)
+        {
+            _appServiceConnection.SendMessageAsync(CreateMessage(new UpdateSettingsRequest { Settings = settings }));
+        }
+
+        public async Task<CreateTerminalResponse> CreateTerminalAsync(byte id, TerminalSize size, ShellProfile shellProfile,
+            SessionType sessionType)
         {
             var request = new CreateTerminalRequest
             {
@@ -150,14 +162,19 @@ namespace FluentTerminal.App.Services.Implementation
 
             Logger.Instance.Debug("Sending CreateTerminalRequest: {@request}", request);
 
-            var responseMessage = await _appServiceConnection.SendMessageAsync(CreateMessage(request));
-            var response = JsonConvert.DeserializeObject<CreateTerminalResponse>((string)responseMessage[MessageKeys.Content]);
+            var response = await GetResponseAsync<CreateTerminalResponse>(request).ConfigureAwait(false);
 
             Logger.Instance.Debug("Received CreateTerminalResponse: {@response}", response);
 
             return response;
         }
 
+        public Task<PauseTerminalOutputResponse> PauseTerminalOutputAsync(byte id, bool pause)
+        {
+            return GetResponseAsync<PauseTerminalOutputResponse>(
+                new PauseTerminalOutputRequest {Id = id, Pause = pause});
+        }
+
         public void Initialize(IAppServiceConnection appServiceConnection)
         {
             _appServiceConnection = appServiceConnection;
@@ -183,7 +200,7 @@ namespace FluentTerminal.App.Services.Implementation
                         Logger.Instance.Error("Received output for unknown terminal Id {id}", terminalId);
                     }
                     break;
-                case TerminalExitedRequest.Identifier:
+                case (byte) MessageIdentifiers.TerminalExitedRequest:
                     var request = JsonConvert.DeserializeObject<TerminalExitedRequest>((string)messageContent);
                     Logger.Instance.Debug("Received TerminalExitedRequest: {@request}", request);
 
@@ -195,15 +212,10 @@ namespace FluentTerminal.App.Services.Implementation
             }
         }
 
-        public Task ResizeTerminal(byte id, TerminalSize size)
+        public Task ResizeTerminalAsync(byte id, TerminalSize size)
         {
-            var request = new ResizeTerminalRequest
-            {
-                TerminalId = id,
-                NewSize = size
-            };
-
-            return _appServiceConnection.SendMessageAsync(CreateMessage(request));
+            return _appServiceConnection.SendMessageAsync(CreateMessage(new ResizeTerminalRequest
+                {TerminalId = id, NewSize = size}));
         }
 
         public void SubscribeForTerminalOutput(byte terminalId, Action<byte[]> callback)
@@ -211,19 +223,23 @@ namespace FluentTerminal.App.Services.Implementation
             _terminalOutputHandlers[terminalId] = callback;
         }
 
-        public Task UpdateToggleWindowKeyBindings()
+        public void UnsubscribeFromTerminalOutput(byte id)
+        {
+            if (_terminalOutputHandlers.ContainsKey(id))
+            {
+                _terminalOutputHandlers.Remove(id);
+            }
+        }
+
+        public Task UpdateToggleWindowKeyBindingsAsync()
         {
             var keyBindings = _settingsService.GetCommandKeyBindings()[nameof(Command.ToggleWindow)];
 
-            var request = new SetToggleWindowKeyBindingsRequest
-            {
-                KeyBindings = keyBindings
-            };
-
-            return _appServiceConnection.SendMessageAsync(CreateMessage(request));
+            return _appServiceConnection.SendMessageAsync(CreateMessage(new SetToggleWindowKeyBindingsRequest
+                {KeyBindings = keyBindings}));
         }
 
-        public Task Write(byte id, byte[] data)
+        public Task WriteAsync(byte id, byte[] data)
         {
             var message = new ValueSet
             {
@@ -235,7 +251,7 @@ namespace FluentTerminal.App.Services.Implementation
             return _appServiceConnection.SendMessageAsync(message);
         }
 
-        public Task CloseTerminal(byte terminalId)
+        public Task CloseTerminalAsync(byte terminalId)
         {
             var request = new TerminalExitedRequest(terminalId, -1);
 
@@ -244,13 +260,53 @@ namespace FluentTerminal.App.Services.Implementation
             return _appServiceConnection.SendMessageAsync(CreateMessage(request));
         }
 
-        private ValueSet CreateMessage(IMessage content)
+        public async Task<string> GetCommandPathAsync(string command)
         {
-            return new ValueSet
+            if (string.IsNullOrWhiteSpace(command))
             {
-                [MessageKeys.Type] = content.Identifier,
-                [MessageKeys.Content] = JsonConvert.SerializeObject(content)
-            };
+                throw new ArgumentException("Input value is null or empty.", nameof(command));
+            }
+
+            command = command.Trim();
+
+            var commandLower = command.ToLowerInvariant();
+
+            if (CommandPaths.TryGetValue(commandLower, out var path))
+            {
+                return path;
+            }
+
+            if (CommandErrors.TryGetValue(commandLower, out var error))
+            {
+                throw new Exception(error);
+            }
+
+            var response = await GetResponseAsync<StringValueResponse>(new GetCommandPathRequest {Command = command})
+                .ConfigureAwait(false);
+
+            if (response.Success)
+            {
+                CommandPaths[commandLower] = response.Value;
+
+                return response.Value;
+            }
+
+            CommandErrors[commandLower] = response.Error;
+
+            throw new Exception(response.Error);
+        }
+
+        public Task QuitApplicationAsync()
+        {
+            return _appServiceConnection.SendMessageAsync(CreateMessage(new QuitApplicationRequest()));
+        }
+
+        private async Task<T> GetResponseAsync<T>(IMessage request)
+        {
+            var messageResponse =
+                await _appServiceConnection.SendMessageAsync(CreateMessage(request)).ConfigureAwait(false);
+
+            return JsonConvert.DeserializeObject<T>((string)messageResponse[MessageKeys.Content]);
         }
     }
 }

FluentTerminal.App.Services/Implementation/UpdateService.cs

@@ -17,9 +17,9 @@ namespace FluentTerminal.App.Services.Implementation
             _notificationService = notificationService;
         }
 
-        public async Task CheckForUpdate(bool notifyNoUpdate = false)
+        public async Task CheckForUpdateAsync(bool notifyNoUpdate = false)
         {
-            var latest = await GetLatestVersionAsync();
+            var latest = await GetLatestVersionAsync().ConfigureAwait(false);
             if (latest > GetCurrentVersion())
             {
                 _notificationService.ShowNotification("Update available",
@@ -42,7 +42,7 @@ namespace FluentTerminal.App.Services.Implementation
             var restClient = new RestClient(apiEndpoint);
             var restRequest = new RestRequest("/repos/felixse/fluentterminal/releases", Method.GET);
 
-            var restResponse = await restClient.ExecuteTaskAsync(restRequest);
+            var restResponse = await restClient.ExecuteAsync(restRequest).ConfigureAwait(false);
             if (restResponse.IsSuccessful)
             {
                 dynamic restResponseData = JsonConvert.DeserializeObject(restResponse.Content);

FluentTerminal.App.Services/Terminal.cs

@@ -2,6 +2,7 @@
 using FluentTerminal.Models.Enums;
 using FluentTerminal.Models.Responses;
 using System;
+using System.Text;
 using System.Threading.Tasks;
 
 namespace FluentTerminal.App.Services
@@ -10,14 +11,23 @@ namespace FluentTerminal.App.Services
     {
         private readonly ITrayProcessCommunicationService _trayProcessCommunicationService;
         private Func<Task<string>> _selectedTextCallback;
-        private bool _closingFromUI = false;
-        private bool _exited = false;
+        private bool _closingFromUi;
+        private bool _exited;
+        private readonly bool _requireShellProcessStart;
+        private string _fallbackTitle;
 
-        public Terminal(ITrayProcessCommunicationService trayProcessCommunicationService)
+        public Terminal(ITrayProcessCommunicationService trayProcessCommunicationService, byte? terminalId = null)
         {
             _trayProcessCommunicationService = trayProcessCommunicationService;
             _trayProcessCommunicationService.TerminalExited += OnTerminalExited;
-            Id = _trayProcessCommunicationService.GetNextTerminalId();
+            Id = terminalId ?? trayProcessCommunicationService.GetNextTerminalId();
+            _requireShellProcessStart = !terminalId.HasValue;
+        }
+
+        public void Reconnect()
+        {
+            _exited = false;
+            _trayProcessCommunicationService.TerminalExited += OnTerminalExited;
         }
 
         private void OnTerminalExited(object sender, TerminalExitStatus status)
@@ -30,10 +40,12 @@ namespace FluentTerminal.App.Services
             _exited = true;
             Exited?.Invoke(this, status.ExitCode);
 
-            if (_closingFromUI == true || status.ExitCode <= 0)
+            if (_closingFromUi || status.ExitCode <= 0)
             {
                 Closed?.Invoke(this, System.EventArgs.Empty);
             }
+
+            _trayProcessCommunicationService.TerminalExited -= OnTerminalExited;
         }
 
         public event EventHandler<int> Exited;
@@ -63,22 +75,23 @@ namespace FluentTerminal.App.Services
         /// </summary>
         public event EventHandler<string> TitleChanged;
 
-        public string FallbackTitle { get; private set; }
-
         public byte Id { get; }
 
+        public ShellProfile Profile { get; private set; }
+
         /// <summary>
         /// To be called by either view or viewmodel
         /// </summary>
-        public async Task Close()
+        public Task CloseAsync()
         {
             if (_exited)
             {
                 Closed?.Invoke(this, System.EventArgs.Empty);
-                return;
+                return Task.CompletedTask;
             }
-            _closingFromUI = true;
-            await _trayProcessCommunicationService.CloseTerminal(Id).ConfigureAwait(true);
+            _closingFromUi = true;
+            _trayProcessCommunicationService.UnsubscribeFromTerminalOutput(Id);
+            return _trayProcessCommunicationService.CloseTerminalAsync(Id);
         }
 
         /// <summary>
@@ -87,7 +100,7 @@ namespace FluentTerminal.App.Services
         /// <returns></returns>
         public Task<string> GetSelectedText()
         {
-            return _selectedTextCallback();
+            return _selectedTextCallback?.Invoke();
         }
 
         /// <summary>
@@ -109,9 +122,9 @@ namespace FluentTerminal.App.Services
         /// <summary>
         /// To be called by view
         /// </summary>
-        public async Task SetSize(TerminalSize size)
+        public async Task SetSizeAsync(TerminalSize size)
         {
-            await _trayProcessCommunicationService.ResizeTerminal(Id, size);
+            await _trayProcessCommunicationService.ResizeTerminalAsync(Id, size).ConfigureAwait(false);
             SizeChanged?.Invoke(this, size);
         }
 
@@ -122,33 +135,46 @@ namespace FluentTerminal.App.Services
         {
             if (string.IsNullOrWhiteSpace(title))
             {
-                title = FallbackTitle;
+                title = _fallbackTitle;
             }
             TitleChanged?.Invoke(this, title);
         }
 
         /// <summary>
-        /// to be called by view when ready
+        /// To be called by view when ready
         /// </summary>
-        /// <param name="shellProfile"></param>
-        /// <param name="size"></param>
-        /// <param name="sessionType"></param>
-        public async Task<CreateTerminalResponse> StartShellProcess(ShellProfile shellProfile, TerminalSize size, SessionType sessionType)
+        public async Task<TerminalResponse> StartShellProcessAsync(ShellProfile shellProfile, TerminalSize size, SessionType sessionType, string termState)
         {
-            _trayProcessCommunicationService.SubscribeForTerminalOutput(Id, t => OutputReceived?.Invoke(this, t));
-            var response = await _trayProcessCommunicationService.CreateTerminal(Id, size, shellProfile, sessionType).ConfigureAwait(true);
+            Profile = shellProfile;
 
-            if (response.Success)
+            if (!_requireShellProcessStart && !string.IsNullOrEmpty(termState))
             {
-                FallbackTitle = response.ShellExecutableName;
-                SetTitle(FallbackTitle);
+                OutputReceived?.Invoke(this, Encoding.UTF8.GetBytes(termState));
+            }
+
+            _trayProcessCommunicationService.SubscribeForTerminalOutput(Id, t => OutputReceived?.Invoke(this, t));
+
+            if (_requireShellProcessStart)
+            {
+                var response = await _trayProcessCommunicationService
+                    .CreateTerminalAsync(Id, size, shellProfile, sessionType).ConfigureAwait(false);
+
+                if (response.Success)
+                {
+                    _fallbackTitle = response.Name;
+                    SetTitle(_fallbackTitle);
+                }
+                return response;
+            }
+            else
+            {
+                return await _trayProcessCommunicationService.PauseTerminalOutputAsync(Id, false);
             }
-            return response;
         }
 
         public Task Write(byte[] data)
         {
-            return _trayProcessCommunicationService.Write(Id, data);
+            return _trayProcessCommunicationService.WriteAsync(Id, data);
         }
 
         /// <summary>

FluentTerminal.App.Services/Utilities/I18N.cs

@@ -8,10 +8,18 @@ namespace FluentTerminal.App.Services.Utilities
     /// </summary>
     public static class I18N
     {
+        private static readonly ResourceLoader ResourceLoader = ResourceLoader.GetForViewIndependentUse();
+
         public static string Translate(string resource)
         {
-            var resourceLoader = ResourceLoader.GetForCurrentView();
-            return resourceLoader.GetString(resource.Replace('.', '/'));
+            return ResourceLoader.GetString(resource.Replace('.', '/'));
+        }
+
+        public static string TranslateWithFallback(string resource, string fallback)
+        {
+            var result = Translate(resource);
+
+            return string.IsNullOrEmpty(result) ? fallback : result;
         }
     }
 }

FluentTerminal.App.Services/Utilities/PreserveDictionaryKeyCaseContractResolver.cs

@@ -0,0 +1,21 @@
+using System;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Serialization;
+
+namespace FluentTerminal.App.Services.Utilities
+{
+    public class PreserveDictionaryKeyCaseContractResolver : DefaultContractResolver
+    {
+        public static readonly JsonSerializerSettings SerializerSettings = new JsonSerializerSettings
+            { ContractResolver = new PreserveDictionaryKeyCaseContractResolver() };
+
+        protected override JsonDictionaryContract CreateDictionaryContract(Type objectType)
+        {
+            var contract = base.CreateDictionaryContract(objectType);
+
+            contract.DictionaryKeyResolver = key => key;
+
+            return contract;
+        }
+    }
+}

FluentTerminal.App.Services/Utilities/TerminalThemeContractResolver.cs

@@ -5,7 +5,7 @@ using System.Reflection;
 
 namespace FluentTerminal.App.Services.Utilities
 {
-    public class TerminalThemeContractResolver : DefaultContractResolver
+    public class TerminalThemeContractResolver : PreserveDictionaryKeyCaseContractResolver
     {
         protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
         {
@@ -24,4 +24,4 @@ namespace FluentTerminal.App.Services.Utilities
             return property;
         }
     }
-}
+}

FluentTerminal.App.ViewModels/DelayedHistorySaver.cs

@@ -0,0 +1,101 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace FluentTerminal.App.ViewModels
+{
+    internal class DelayedHistorySaver : ISessionSuccessTracker
+    {
+        private const int DelayMilliseconds = 5000;
+
+        private readonly Action _saveAction;
+
+        private readonly object _lock = new object();
+
+        private CancellationTokenSource _cts;
+
+        private bool _sessionStarted;
+        private bool _outputReceived;
+
+        private bool _toSave = true;
+
+        internal DelayedHistorySaver(Action saveAction)
+        {
+            _saveAction = saveAction;
+        }
+
+        public void SetSuccessfulSessionStart()
+        {
+            lock (_lock)
+            {
+                if (!_toSave || _sessionStarted)
+                {
+                    return;
+                }
+
+                _sessionStarted = true;
+
+                if (_outputReceived)
+                {
+                    InitiateSave();
+                }
+            }
+        }
+
+        public void SetOutputReceived()
+        {
+            lock (_lock)
+            {
+                if (!_toSave || _outputReceived)
+                {
+                    return;
+                }
+
+                _outputReceived = true;
+
+                if (_sessionStarted)
+                {
+                    InitiateSave();
+                }
+            }
+        }
+
+        public void SetInvalid()
+        {
+            lock (_lock)
+            {
+                if (!_toSave || !(_cts is CancellationTokenSource cts))
+                {
+                    return;
+                }
+
+                _toSave = false;
+
+                cts.Cancel();
+                cts.Dispose();
+                _cts = null;
+            }
+        }
+
+        private void InitiateSave()
+        {
+            _cts = new CancellationTokenSource();
+
+            Task.Delay(DelayMilliseconds, _cts.Token).ContinueWith(t =>
+                {
+                    lock (_lock)
+                    {
+                        if (_toSave)
+                        {
+                            _saveAction.Invoke();
+                        }
+
+                        _toSave = false;
+
+                        _cts?.Dispose();
+                        _cts = null;
+                    }
+                });
+        }
+    }
+}

FluentTerminal.App.ViewModels/EnvironmentVariableViewModel.cs

@@ -0,0 +1,25 @@
+using GalaSoft.MvvmLight;
+using System;
+
+namespace FluentTerminal.App.ViewModels
+{
+    public class EnvironmentVariableViewModel : ViewModelBase
+    {
+        private string _name;
+        private string _value;
+
+        public Guid Id { get; } = Guid.NewGuid();
+
+        public string Name
+        {
+            get => _name;
+            set => Set(ref _name, value);
+        }
+
+        public string Value
+        {
+            get => _value;
+            set => Set(ref _value, value);
+        }
+    }
+}

FluentTerminal.App.ViewModels/FluentTerminal.App.ViewModels.csproj

@@ -1,11 +1,10 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Fleck" Version="1.1.0" />
     <PackageReference Include="MvvmLightLibs" Version="5.4.1.1" />
   </ItemGroup>
 
@@ -14,4 +13,11 @@
     <ProjectReference Include="..\FluentTerminal.Models\FluentTerminal.Models.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Reference Include="Windows.Foundation.UniversalApiContract">
+      <HintPath>$(MSBuildProgramFiles32)\Windows Kits\10\References\10.0.16299.0\Windows.Foundation.UniversalApiContract\5.0.0.0\Windows.Foundation.UniversalApiContract.winmd</HintPath>
+      <Private>False</Private>
+    </Reference>
+  </ItemGroup>
+
 </Project>

FluentTerminal.App.ViewModels/ISessionSuccessTracker.cs

@@ -0,0 +1,11 @@
+namespace FluentTerminal.App.ViewModels
+{
+    public interface ISessionSuccessTracker
+    {
+        void SetSuccessfulSessionStart();
+
+        void SetOutputReceived();
+
+        void SetInvalid();
+    }
+}

FluentTerminal.App.ViewModels/ITerminalView.cs

@@ -0,0 +1,21 @@
+using System;
+using FluentTerminal.Models;
+using System.Threading.Tasks;
+
+namespace FluentTerminal.App.ViewModels
+{
+    public interface ITerminalView : IDisposable
+    {
+        Task ChangeThemeAsync(TerminalTheme theme);
+        Task ChangeKeyBindingsAsync();
+        Task ChangeOptionsAsync(TerminalOptions options);
+        Task InitializeAsync(TerminalViewModel viewModel);
+        Task ReconnectAsync();
+        void DisposalPrepare();
+        Task FindNextAsync(SearchRequest request);
+        Task FindPreviousAsync(SearchRequest request);
+        Task FocusTerminalAsync();
+        Task<string> SerializeXtermStateAsync();
+        void Paste(string text);
+    }
+}

FluentTerminal.App.ViewModels/Infrastructure/AsyncCommand.cs

@@ -35,6 +35,7 @@ namespace FluentTerminal.App.ViewModels.Infrastructure
             {
                 try
                 {
+                    // TODO: If we're using class field _isExecuting, maybe we should introduce some locking?
                     _isExecuting = true;
                     await _execute();
                 }

FluentTerminal.App.ViewModels/Infrastructure/IAsyncCommand.cs

@@ -12,7 +12,7 @@ namespace FluentTerminal.App.ViewModels.Infrastructure
         bool CanExecute();
     }
 
-    public interface IAsyncCommand<T> : ICommand
+    public interface IAsyncCommand<in T> : ICommand
     {
         Task ExecuteAsync(T parameter);
         bool CanExecute(T parameter);

FluentTerminal.App.ViewModels/Menu/ExpandableMenuItemViewModel.cs

@@ -0,0 +1,41 @@
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+
+namespace FluentTerminal.App.ViewModels.Menu
+{
+    public class ExpandableMenuItemViewModel : MenuItemViewModelBase
+    {
+        public ObservableCollection<MenuItemViewModelBase> SubItems { get; }
+
+        public ExpandableMenuItemViewModel(string text, IEnumerable<MenuItemViewModelBase> subItems = null,
+            string description = null, Mdl2Icon icon = null) : base(text, description, icon)
+        {
+            if (subItems == null)
+            {
+                SubItems = new ObservableCollection<MenuItemViewModelBase>();
+            }
+            else if (subItems is ObservableCollection<MenuItemViewModelBase> observableSubItems)
+            {
+                SubItems = observableSubItems;
+            }
+            else
+            {
+                SubItems = new ObservableCollection<MenuItemViewModelBase>(subItems);
+            }
+        }
+
+        public override bool EquivalentTo(MenuItemViewModelBase other)
+        {
+            if (!base.EquivalentTo(other)) return false;
+
+            if (!(other is ExpandableMenuItemViewModel otherExpandable) ||
+                SubItems.Count != otherExpandable.SubItems.Count)
+            {
+                return false;
+            }
+
+            return !SubItems.Where((t, i) => !t.EquivalentTo(otherExpandable.SubItems[i])).Any();
+        }
+    }
+}

FluentTerminal.App.ViewModels/Menu/Mdl2Icon.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace FluentTerminal.App.ViewModels.Menu
+{
+    public sealed class Mdl2Icon
+    {
+        public string Color { get; }
+        public string Glyph { get; }
+
+        private Mdl2Icon(string glyph, string color = null)
+        {
+            Glyph = glyph;
+            Color = color;
+        }
+
+        public static Mdl2Icon Link(string color = null) => new Mdl2Icon("\uE71B", color);
+
+        public static Mdl2Icon Copy(string color = null) => new Mdl2Icon("\uE8C8", color);
+
+        public static Mdl2Icon Paste(string color = null) => new Mdl2Icon("\uE77F", color);
+
+        public static Mdl2Icon Edit(string color = null) => new Mdl2Icon("\uE70F", color);
+
+        public static Mdl2Icon Search(string color = null) => new Mdl2Icon("\uE721", color);
+
+        public static Mdl2Icon Add(string color = null) => new Mdl2Icon("\uE710", color);
+
+        public static Mdl2Icon Cancel(string color = null) => new Mdl2Icon("\uE711", color);
+
+        public static Mdl2Icon PaginationDotOutline10(string color = null) => new Mdl2Icon("\uF126", color);
+
+        public static Mdl2Icon PaginationDotSolid10(string color = null) => new Mdl2Icon("\uF127", color);
+
+        public static Mdl2Icon NewWindow(string color = null) => new Mdl2Icon("\uE78B", color);
+
+        public static Mdl2Icon History(string color = null) => new Mdl2Icon("\uE81C", color);
+
+        public static Mdl2Icon Settings(string color = null) => new Mdl2Icon("\uE713", color);
+
+        public static Mdl2Icon Info(string color = null) => new Mdl2Icon("\uE946", color);
+
+        public static Mdl2Icon FavoriteStar(string color = null) => new Mdl2Icon("\uE734", color);
+
+        public static Mdl2Icon Globe(string color = null) => new Mdl2Icon("\uE774", color);
+
+        public static Mdl2Icon Play(string color = null) => new Mdl2Icon("\uE768", color);
+    }
+}

FluentTerminal.App.ViewModels/Menu/MenuItemKeyBindingViewModel.cs

@@ -0,0 +1,159 @@
+using FluentTerminal.App.Services.Utilities;
+using FluentTerminal.Models;
+using FluentTerminal.Models.Enums;
+using GalaSoft.MvvmLight;
+using System;
+using System.Collections.Generic;
+using Windows.System;
+
+namespace FluentTerminal.App.ViewModels.Menu
+{
+    public class MenuItemKeyBindingViewModel : ViewModelBase
+    {
+        private int _key;
+
+        public int Key
+        {
+            get => _key;
+            set => Set(ref _key, value);
+        }
+
+        private int _keyModifiers;
+
+        // Corresponds to https://docs.microsoft.com/en-us/uwp/api/windows.system.virtualkeymodifiers
+        public int KeyModifiers
+        {
+            get => _keyModifiers;
+            private set => Set(ref _keyModifiers, value);
+        }
+
+        private bool _ctrl;
+
+        public bool Ctrl
+        {
+            get => _ctrl;
+            set
+            {
+                if (Set(ref _ctrl, value))
+                {
+                    SetKeyModifiers();
+                }
+            }
+        }
+
+        private bool _alt;
+
+        public bool Alt
+        {
+            get => _alt;
+            set
+            {
+                if (Set(ref _alt, value))
+                {
+                    SetKeyModifiers();
+                }
+            }
+        }
+
+        private bool _shift;
+
+        public bool Shift
+        {
+            get => _shift;
+            set
+            {
+                if (Set(ref _shift, value))
+                {
+                    SetKeyModifiers();
+                }
+            }
+        }
+
+        private bool _windows;
+
+        public bool Windows
+        {
+            get => _windows;
+            set
+            {
+                if (Set(ref _windows, value))
+                {
+                    SetKeyModifiers();
+                }
+            }
+        }
+
+        public bool IsExtendedVirtualKey => !Enum.IsDefined(typeof(VirtualKey), Key);
+
+        public string GetOverrideText()
+        {
+            var segments = new List<string>();
+
+            if (Ctrl) segments.Add("Ctrl");
+            if (Alt) segments.Add("Alt");
+            if (Windows) segments.Add("Windows");
+            if (Shift) segments.Add("Shift");
+
+            segments.Add(EnumHelper.GetEnumDescription((ExtendedVirtualKey)Key));
+
+            return string.Join("+", segments);
+        }
+
+        public MenuItemKeyBindingViewModel(int key = 0, bool ctrl = false, bool alt = false, bool shift = false,
+            bool windows = false)
+        {
+            _key = key;
+            _ctrl = ctrl;
+            _alt = alt;
+            _shift = shift;
+            _windows = windows;
+
+            SetKeyModifiers();
+        }
+
+        public MenuItemKeyBindingViewModel(KeyBinding keyBinding) : this(keyBinding.Key, keyBinding.Ctrl,
+            keyBinding.Alt, keyBinding.Shift, keyBinding.Meta)
+        {
+        }
+
+
+
+        private void SetKeyModifiers()
+        {
+            // Based on VirtualKeyModifiers enum values (https://docs.microsoft.com/en-us/uwp/api/windows.system.virtualkeymodifiers)
+            var result = 0;
+
+            if (_ctrl)
+            {
+                result |= 1;
+            }
+
+            if (_alt)
+            {
+                result |= 2;
+            }
+
+            if (_shift)
+            {
+                result |= 4;
+            }
+
+            if (_windows)
+            {
+                result |= 8;
+            }
+
+            KeyModifiers = result;
+        }
+
+        public bool EquivalentTo(MenuItemKeyBindingViewModel other)
+        {
+            if (ReferenceEquals(this, other)) return true;
+
+            if (other == null) return false;
+
+            return _key == other._key && _keyModifiers == other._keyModifiers;
+        }
+
+    }
+}

FluentTerminal.App.ViewModels/Menu/MenuItemViewModel.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Windows.Input;
+
+namespace FluentTerminal.App.ViewModels.Menu
+{
+    public class MenuItemViewModel : MenuItemViewModelBase
+    {
+        #region Properties
+
+        private MenuItemKeyBindingViewModel _keyBinding;
+
+        public MenuItemKeyBindingViewModel KeyBinding
+        {
+            get => _keyBinding;
+            set => Set(ref _keyBinding, value);
+        }
+
+        public ICommand Command { get; }
+
+        #endregion Properties
+
+        #region Constructors
+
+        public MenuItemViewModel(string text, ICommand command, string description = null, Mdl2Icon icon = null,
+            MenuItemKeyBindingViewModel keyBinding = null) : base(text, description, icon)
+        {
+            _keyBinding = keyBinding;
+            Command = command ?? throw new ArgumentNullException(nameof(command));
+        }
+
+        #endregion Constructors
+
+        #region Methods
+
+        public override bool EquivalentTo(MenuItemViewModelBase other)
+        {
+            if (!base.EquivalentTo(other)) return false;
+
+            if (!(other is MenuItemViewModel menuItem)) return false;
+
+            return _keyBinding?.EquivalentTo(menuItem._keyBinding) ?? menuItem._keyBinding == null;
+        }
+
+        #endregion Methods
+    }
+}

FluentTerminal.App.ViewModels/Menu/MenuItemViewModelBase.cs

@@ -0,0 +1,61 @@
+using FluentTerminal.Models;
+using GalaSoft.MvvmLight;
+
+namespace FluentTerminal.App.ViewModels.Menu
+{
+    public class MenuItemViewModelBase : ViewModelBase
+    {
+        #region Properties
+
+        private string _text;
+
+        public string Text
+        {
+            get => _text;
+            set => Set(ref _text, value);
+        }
+
+        private string _description;
+
+        public string Description
+        {
+            get => _description;
+            set => Set(ref _description, value);
+        }
+
+        private Mdl2Icon _icon;
+
+        public Mdl2Icon Icon
+        {
+            get => _icon;
+            set => Set(ref _icon, value);
+        }
+
+        #endregion Properties
+
+        #region Constructor
+
+        protected MenuItemViewModelBase(string text, string description, Mdl2Icon icon)
+        {
+            _text = text;
+            _description = description;
+            _icon = icon;
+        }
+
+        #endregion Constructor
+
+        #region Methods
+
+        public virtual bool EquivalentTo(MenuItemViewModelBase other)
+        {
+            if (ReferenceEquals(this, other)) return true;
+
+            if (other == null) return false;
+
+            return _text.NullableEqualTo(other._text) && _description.NullableEqualTo(other._description) &&
+                   (_icon?.Equals(other._icon) ?? other._icon == null);
+        }
+
+        #endregion Methods
+    }
+}

FluentTerminal.App.ViewModels/Menu/MenuViewModel.cs

@@ -0,0 +1,39 @@
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using GalaSoft.MvvmLight;
+
+namespace FluentTerminal.App.ViewModels.Menu
+{
+    public class MenuViewModel : ViewModelBase
+    {
+        public ObservableCollection<MenuItemViewModelBase> Items { get; }
+
+        public MenuViewModel(IEnumerable<MenuItemViewModelBase> items = null)
+        {
+            if (items == null)
+            {
+                Items = new ObservableCollection<MenuItemViewModelBase>();
+            }
+            else if (items is ObservableCollection<MenuItemViewModelBase> observableItems)
+            {
+                Items = observableItems;
+            }
+            else
+            {
+                Items = new ObservableCollection<MenuItemViewModelBase>(items);
+            }
+        }
+
+        public bool EquivalentTo(MenuViewModel other)
+        {
+            if (ReferenceEquals(this, other)) return true;
+
+            if (other == null) return false;
+
+            if (Items.Count != other.Items.Count) return false;
+
+            return !Items.Where((t, i) => !t.EquivalentTo(other.Items[i])).Any();
+        }
+    }
+}

FluentTerminal.App.ViewModels/Menu/RadioMenuItemViewModel.cs

@@ -0,0 +1,28 @@
+using System;
+
+namespace FluentTerminal.App.ViewModels.Menu
+{
+    public class RadioMenuItemViewModel : MenuItemViewModelBase
+    {
+        public object BindingSource { get; }
+        public string BindingPath { get; }
+        public string GroupName { get; }
+
+        public RadioMenuItemViewModel(string text, string groupName, object bindingSource, string bindingPath = null, string description = null, Mdl2Icon icon = null)
+            : base(text, description, icon)
+        {
+            GroupName = groupName ?? throw new ArgumentNullException(nameof(groupName));
+            BindingSource = bindingSource ?? throw new ArgumentNullException(nameof(bindingSource));
+            BindingPath = bindingPath;
+        }
+
+        public override bool EquivalentTo(MenuItemViewModelBase other)
+        {
+            if (!base.EquivalentTo(other)) return false;
+
+            if (!(other is RadioMenuItemViewModel radioMenuItem)) return false;
+
+            return GroupName == radioMenuItem.GroupName &&  BindingSource == radioMenuItem.BindingSource && BindingPath == radioMenuItem.BindingPath;
+        }
+    }
+}

FluentTerminal.App.ViewModels/Menu/SeparatorMenuItemViewModel.cs

@@ -0,0 +1,15 @@
+namespace FluentTerminal.App.ViewModels.Menu
+{
+    public class SeparatorMenuItemViewModel : MenuItemViewModelBase
+    {
+        public SeparatorMenuItemViewModel()
+            : base(string.Empty, string.Empty, null)
+        {
+        }
+
+        public override bool EquivalentTo(MenuItemViewModelBase other)
+        {
+            return other is SeparatorMenuItemViewModel;
+        }
+    }
+}

FluentTerminal.App.ViewModels/Menu/ToggleMenuItemViewModel.cs

@@ -0,0 +1,26 @@
+using System;
+
+namespace FluentTerminal.App.ViewModels.Menu
+{
+    public class ToggleMenuItemViewModel : MenuItemViewModelBase
+    {
+        public object BindingSource { get; }
+        public string BindingPath { get; }
+
+        public ToggleMenuItemViewModel(string text, object bindingSource, string bindingPath = null, string description = null, Mdl2Icon icon = null)
+            : base(text, description, icon)
+        {
+            BindingSource = bindingSource ?? throw new ArgumentNullException(nameof(bindingSource));
+            BindingPath = bindingPath;
+        }
+
+        public override bool EquivalentTo(MenuItemViewModelBase other)
+        {
+            if (!base.EquivalentTo(other)) return false;
+
+            if (!(other is ToggleMenuItemViewModel toggleMenuItem)) return false;
+
+            return BindingSource == toggleMenuItem.BindingSource && BindingPath == toggleMenuItem.BindingPath;
+        }
+    }
+}

FluentTerminal.App.ViewModels/OverlayViewModel.cs

@@ -1,20 +1,19 @@
-using FluentTerminal.App.Services;
-using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight;
 using System;
+using Windows.UI.Xaml;
 
 namespace FluentTerminal.App.ViewModels
 {
     public class OverlayViewModel : ViewModelBase
     {
-        private readonly IDispatcherTimer _overlayTimer;
+        private readonly DispatcherTimer _overlayTimer;
         private bool _showOverlay;
         private string _overlayContent;
 
-        public OverlayViewModel(IDispatcherTimer dispatcherTimer)
+        // Important! The constructor has to be called from the UI thread.
+        public OverlayViewModel()
         {
-            _overlayTimer = dispatcherTimer;
-            _overlayTimer.Interval = new TimeSpan(0, 0, 2);
-            _overlayTimer.Tick += OnResizeOverlayTimerFinished;
+            _overlayTimer = new DispatcherTimer {Interval = new TimeSpan(0, 0, 2)};
         }
 
         public bool ShowOverlay
@@ -37,13 +36,16 @@ namespace FluentTerminal.App.ViewModels
             if (_overlayTimer.IsEnabled)
             {
                 _overlayTimer.Stop();
+                _overlayTimer.Tick -= OnResizeOverlayTimerFinished;
             }
             _overlayTimer.Start();
+            _overlayTimer.Tick += OnResizeOverlayTimerFinished;
         }
 
         private void OnResizeOverlayTimerFinished(object sender, object e)
         {
             _overlayTimer.Stop();
+            _overlayTimer.Tick -= OnResizeOverlayTimerFinished;
             ShowOverlay = false;
         }
 

FluentTerminal.App.ViewModels/ProfileViewModelBase.cs

@@ -0,0 +1,258 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Threading.Tasks;
+using FluentTerminal.App.Services;
+using FluentTerminal.App.Services.Utilities;
+using FluentTerminal.App.ViewModels.Infrastructure;
+using FluentTerminal.App.ViewModels.Profiles;
+using FluentTerminal.App.ViewModels.Settings;
+using FluentTerminal.Models;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Command;
+
+namespace FluentTerminal.App.ViewModels
+{
+    /// <summary>
+    /// Base class for all profile view models. Implements logic for saving, editing, resetting, etc.
+    /// </summary>
+    public abstract class ProfileViewModelBase<T> : ViewModelBase where T : ProfileProviderViewModelBase
+    {
+        #region Fields
+
+        protected readonly IDialogService DialogService;
+        protected readonly ISettingsService SettingsService;
+
+        private List<KeyBinding> _bindingsBeforeEdit;
+        private Dictionary<string, string> _environmentVariablesBeforeEdit;
+        private string _nameBeforeEdit;
+
+        #endregion Fields
+
+        #region Properties
+
+        protected bool IsNew { get; private set; }
+
+        public Guid Id { get; private set; }
+
+        private bool _inEditMode;
+
+        public bool InEditMode
+        {
+            get => _inEditMode;
+            set => Set(ref _inEditMode, value);
+        }
+
+        private string _name;
+
+        public string Name
+        {
+            get => _name;
+            set => Set(ref _name, value);
+        }
+
+        public KeyBindingsViewModel KeyBindings { get; }
+
+        public ObservableCollection<EnvironmentVariableViewModel> EnvironmentVariables { get; } = new ObservableCollection<EnvironmentVariableViewModel>();
+
+        public T ProfileVm { get; protected set; }
+
+        #endregion Properties
+
+        #region Events
+
+        // Needs to be triggered from UI thread
+        public event EventHandler Deleted;
+
+        #endregion Events
+
+        #region Commands
+
+        public IAsyncCommand CancelEditCommand { get; }
+
+        public IAsyncCommand DeleteCommand { get; }
+
+        public RelayCommand EditCommand { get; }
+
+        public IAsyncCommand SaveChangesCommand { get; }
+
+        public IAsyncCommand AddKeyboardShortcutCommand { get; }
+
+        #endregion Commands
+
+        #region Constructor
+
+        protected ProfileViewModelBase(ShellProfile shellProfile, ISettingsService settingsService, IDialogService dialogService, bool isNew)
+        {
+            SettingsService = settingsService;
+            DialogService = dialogService;
+            IsNew = isNew;
+
+            KeyBindings = new KeyBindingsViewModel(shellProfile.Id.ToString(), dialogService, string.Empty, false);
+
+            foreach (var environmentVariable in shellProfile.EnvironmentVariables)
+            {
+                EnvironmentVariables.Add(new EnvironmentVariableViewModel
+                {
+                    Name = environmentVariable.Key,
+                    Value = environmentVariable.Value
+                });
+            }
+
+            Initialize(shellProfile);
+
+            DeleteCommand = new AsyncCommand(DeleteAsync, CanDelete);
+            EditCommand = new RelayCommand(Edit);
+            CancelEditCommand = new AsyncCommand(CancelEditAsync);
+            SaveChangesCommand = new AsyncCommand(SaveChangesAsync);
+            AddKeyboardShortcutCommand = new AsyncCommand(AddKeyboardShortcut);
+        }
+
+        #endregion Constructor
+
+        #region Methods
+
+        // Requires UI thread
+        // Loads view model properties from the input shellProfile
+        protected void Initialize(ShellProfile shellProfile)
+        {
+            Id = shellProfile.Id;
+            Name = shellProfile.Name;
+
+            KeyBindings.Clear();
+            foreach (var keyBinding in shellProfile.KeyBindings.Select(x => new KeyBinding(x)).ToList())
+            {
+                KeyBindings.Add(keyBinding);
+            }
+        }
+
+        protected virtual bool HasChanges()
+        {
+            return ProfileVm.HasChanges()
+                || !_nameBeforeEdit.NullableEqualTo(_name)
+                || !(_bindingsBeforeEdit?.SequenceEqual(KeyBindings.KeyBindings.Select(x => x.Model).ToList()) ?? false)
+                || !(_environmentVariablesBeforeEdit?.SequenceEqual(EnvironmentVariables.ToDictionary(x => x.Name, x => x.Value)) ?? false);
+        }
+
+        // Requires UI thread
+        private async Task DeleteAsync()
+        {
+            // ConfigureAwait(true) because we need to trigger Deleted event from the calling (UI) thread.
+            var result = await DialogService.ShowMessageDialogAsync(I18N.Translate("PleaseConfirm"),
+                I18N.Translate("ConfirmDeleteProfile"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
+
+            if (result == DialogButton.OK)
+            {
+                Deleted?.Invoke(this, EventArgs.Empty);
+            }
+        }
+
+        protected abstract bool CanDelete();
+
+        private void Edit()
+        {
+            if (InEditMode)
+            {
+                return;
+            }
+
+            _bindingsBeforeEdit = KeyBindings.KeyBindings.Select(x => x.Model).ToList();
+            _environmentVariablesBeforeEdit = EnvironmentVariables.ToDictionary(x => x.Name, x => x.Value);
+            _nameBeforeEdit = _name;
+
+            KeyBindings.Editable = true;
+            InEditMode = true;
+        }
+
+        // Requires UI thread
+        private async Task CancelEditAsync()
+        {
+            if (IsNew)
+            {
+                await DeleteAsync().ConfigureAwait(false);
+
+                return;
+            }
+
+            if (!HasChanges())
+            {
+                KeyBindings.Editable = false;
+                InEditMode = false;
+
+                return;
+            }
+
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards
+            if (await DialogService.ShowMessageDialogAsync(I18N.Translate("PleaseConfirm"),
+                        I18N.Translate("ConfirmDiscardChanges"), DialogButton.OK, DialogButton.Cancel)
+                    .ConfigureAwait(true) == DialogButton.OK)
+            {
+                // Cancelled, so rollback
+                // ConfigureAwait(true) because we're setting some view-model properties afterwards
+                await ProfileVm.RejectChangesAsync().ConfigureAwait(true);
+
+                KeyBindings.Editable = false;
+                InEditMode = false;
+            }
+        }
+
+        // Requires UI thread
+        private async Task SaveChangesAsync()
+        {
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+            var error = await ProfileVm.AcceptChangesAsync().ConfigureAwait(true);
+
+            if (!string.IsNullOrEmpty(error))
+            {
+                await DialogService.ShowMessageDialogAsync(I18N.Translate("InvalidInput"), error, DialogButton.OK)
+                    .ConfigureAwait(false);
+
+                return;
+            }
+
+            if (EnvironmentVariables.Select(x => x.Name).Any(string.IsNullOrWhiteSpace))
+            {
+                await DialogService.ShowMessageDialogAsync(I18N.Translate("InvalidInput"),
+                    I18N.Translate("EmptyEnvironmentVariableName"), DialogButton.OK).ConfigureAwait(false);
+
+                return;
+            }
+
+            if (EnvironmentVariables.Select(x => x.Name).Distinct().Count() != EnvironmentVariables.Count)
+            {
+                await DialogService.ShowMessageDialogAsync(I18N.Translate("InvalidInput"),
+                    I18N.Translate("DuplicateEnvironmentVariable"), DialogButton.OK).ConfigureAwait(false);
+
+                return;
+            }
+
+            var profile = ProfileVm.Model;
+
+            profile.Id = Id;
+            profile.Name = _name;
+            profile.KeyBindings = KeyBindings.KeyBindings.Select(x => x.Model).ToList();
+            profile.EnvironmentVariables = EnvironmentVariables.ToDictionary(x => x.Name, x => x.Value);
+
+            if (profile is SshProfile sshProfile)
+            {
+                SettingsService.SaveSshProfile(sshProfile, IsNew);
+            }
+            else
+            {
+                SettingsService.SaveShellProfile(profile, IsNew);
+            }
+
+            KeyBindings.Editable = false;
+            InEditMode = false;
+            IsNew = false;
+        }
+
+        private Task AddKeyboardShortcut()
+        {
+            return KeyBindings.ShowAddKeyBindingDialogAsync();
+        }
+
+        #endregion Methods
+    }
+}

FluentTerminal.App.ViewModels/Profiles/CommonProfileProviderViewModel.cs

@@ -0,0 +1,150 @@
+using System.Threading.Tasks;
+using FluentTerminal.App.Services;
+using FluentTerminal.App.Services.Utilities;
+using FluentTerminal.App.ViewModels.Infrastructure;
+using FluentTerminal.Models;
+
+namespace FluentTerminal.App.ViewModels.Profiles
+{
+    /// <summary>
+    /// Used for common profiles (PowerShell, CMD, WSL).
+    /// </summary>
+    public class CommonProfileProviderViewModel : ProfileProviderViewModelBase
+    {
+        #region Fields
+
+        private readonly IFileSystemService _fileSystemService;
+
+        #endregion Fields
+
+        #region Properties
+
+        public bool PreInstalled { get; private set; }
+
+        private string _location;
+
+        public string Location
+        {
+            get => _location;
+            set => Set(ref _location, value);
+        }
+
+        private string _workingDirectory;
+
+        public string WorkingDirectory
+        {
+            get => _workingDirectory;
+            set => Set(ref _workingDirectory, value);
+        }
+
+        private string _arguments;
+
+        public string Arguments
+        {
+            get => _arguments;
+            set => Set(ref _arguments, value);
+        }
+
+        #endregion Properties
+
+        #region Commands
+
+        public IAsyncCommand BrowseForCustomShellCommand { get; }
+
+        public IAsyncCommand BrowseForWorkingDirectoryCommand { get; }
+
+        #endregion Commands
+
+        #region Constructor
+
+        public CommonProfileProviderViewModel(ISettingsService settingsService, IApplicationView applicationView,
+            IFileSystemService fileSystemService, ShellProfile original = null) : base(settingsService, applicationView,
+            true, original)
+        {
+            _fileSystemService = fileSystemService;
+
+            BrowseForCustomShellCommand = new AsyncCommand(BrowseForCustomShell);
+            BrowseForWorkingDirectoryCommand = new AsyncCommand(BrowseForWorkingDirectory);
+
+            Initialize(Model);
+        }
+
+        #endregion Constructor
+
+        #region Methods
+
+        private void Initialize(ShellProfile profile)
+        {
+            PreInstalled = profile.PreInstalled;
+            Location = profile.Location;
+            Arguments = profile.Arguments;
+            WorkingDirectory = profile.WorkingDirectory;
+        }
+
+        protected override void LoadFromProfile(ShellProfile profile)
+        {
+            base.LoadFromProfile(profile);
+
+            Initialize(profile);
+        }
+
+        protected override async Task CopyToProfileAsync(ShellProfile profile)
+        {
+            await base.CopyToProfileAsync(profile).ConfigureAwait(false);
+
+            profile.Location = _location;
+            profile.Arguments = _arguments;
+            profile.WorkingDirectory = _workingDirectory;
+        }
+
+        public override async Task<string> ValidateAsync()
+        {
+            var error = await base.ValidateAsync().ConfigureAwait(false);
+
+            if (!string.IsNullOrEmpty(error))
+            {
+                return error;
+            }
+
+            if (!string.IsNullOrEmpty(_location))
+            {
+                return null;
+            }
+
+            error = I18N.Translate("LocationCantBeEmpty");
+
+            return string.IsNullOrEmpty(error) ? "Location cannot be empty." : error;
+        }
+
+        public override bool HasChanges()
+        {
+            return base.HasChanges() || !Model.Location.NullableEqualTo(_location) ||
+                   !Model.WorkingDirectory.NullableEqualTo(_workingDirectory) ||
+                   !Model.Arguments.NullableEqualTo(_arguments);
+        }
+
+        // Requires UI thread
+        private async Task BrowseForCustomShell()
+        {
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+            var file = await _fileSystemService.OpenFileAsync(new[] { ".exe" }).ConfigureAwait(true);
+            if (file != null)
+            {
+                Location = file.Path;
+            }
+        }
+
+        // Requires UI thread
+        private async Task BrowseForWorkingDirectory()
+        {
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+            var directory = await _fileSystemService.BrowseForDirectoryAsync().ConfigureAwait(true);
+            if (directory != null)
+            {
+                WorkingDirectory = directory;
+            }
+        }
+
+        #endregion Methods
+    }
+}

FluentTerminal.App.ViewModels/Profiles/ProfileProviderViewModelBase.cs

@@ -0,0 +1,384 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Web;
+using Windows.UI.Core;
+using FluentTerminal.App.Services;
+using FluentTerminal.Models;
+using FluentTerminal.Models.Messages;
+using GalaSoft.MvvmLight;
+
+namespace FluentTerminal.App.ViewModels.Profiles
+{
+    /// <summary>
+    /// Base class for all profile view model classes. It contains properties shared by all other view models
+    /// (theme-related properties, line-ending translation, and WinPTY/ConPTY selection).
+    /// </summary>
+    public abstract class ProfileProviderViewModelBase : ViewModelBase
+    {
+        #region Fields
+
+        protected readonly ISettingsService SettingsService;
+        protected readonly IApplicationView ApplicationView;
+        private readonly bool _strictProfileType;
+
+        #endregion Fields
+
+        #region Properties
+
+        private ShellProfile _model;
+
+        public ShellProfile Model
+        {
+            get => _model;
+            set
+            {
+                if (value == null)
+                {
+                    throw new ArgumentNullException(nameof(value));
+                }
+
+                if (ReferenceEquals(_model, value))
+                {
+                    return;
+                }
+
+                if (_strictProfileType && _model != null && _model.GetType() != value.GetType())
+                {
+                    throw new ArgumentException($"The value has to be of type {_model.GetType().Name}.");
+                }
+
+                _model = value;
+
+                LoadFromProfile(value);
+            }
+        }
+
+        public ObservableCollection<TabTheme> TabThemes { get; }
+
+        public ObservableCollection<TerminalTheme> TerminalThemes { get; }
+
+        private TabTheme _selectedTabTheme;
+
+        public TabTheme SelectedTabTheme
+        {
+            get => _selectedTabTheme ?? (_selectedTabTheme = TabThemes.FirstOrDefault(t => t.Id.Equals(_tabThemeId)));
+            set
+            {
+                if (value == null)
+                {
+                    // Ignore attempt setting null.
+                    return;
+                }
+
+                // Ensure that it's from the list
+                var theme = TabThemes.Contains(value)
+                    ? value
+                    : TabThemes.FirstOrDefault(t => t.Id == value.Id) ?? TabThemes.First();
+
+                if (Set(ref _selectedTabTheme, theme))
+                {
+                    _tabThemeId = theme.Id;
+                }
+            }
+        }
+
+        private int _tabThemeId;
+
+        public int TabThemeId
+        {
+            get => _tabThemeId;
+            set
+            {
+                if (Set(ref _tabThemeId, value))
+                {
+                    SelectedTabTheme = TabThemes.FirstOrDefault(t => t.Id.Equals(value));
+                }
+            }
+        }
+
+        private TerminalTheme _selectedTerminalTheme;
+
+        public TerminalTheme SelectedTerminalTheme
+        {
+            get => _selectedTerminalTheme ??
+                   (_selectedTerminalTheme = TerminalThemes.FirstOrDefault(t => t.Id.Equals(_terminalThemeId)));
+            set
+            {
+                TerminalTheme theme = value;
+
+                if (theme == null)
+                {
+                    return;
+                }
+                else if (!TerminalThemes.Contains(theme))
+                {
+                    // Ensure that it's from the list
+                    theme = TerminalThemes.FirstOrDefault(t => t.Id.Equals(theme.Id)) ?? TerminalThemes.First();
+                }
+
+                if (Set(ref _selectedTerminalTheme, theme))
+                {
+                    _terminalThemeId = theme.Id;
+                }
+            }
+        }
+
+        private Guid _terminalThemeId;
+
+        public Guid TerminalThemeId
+        {
+            get => _terminalThemeId;
+            set
+            {
+                if (Set(ref _terminalThemeId, value))
+                {
+                    SelectedTerminalTheme = TerminalThemes.FirstOrDefault(t => t.Id.Equals(value));
+                }
+            }
+        }
+
+        private bool _useConPty;
+
+        public bool UseConPty
+        {
+            get => _useConPty;
+            set => Set(ref _useConPty, value);
+        }
+
+        private bool _useBuffer;
+
+        public bool UseBuffer
+        {
+            get => _useBuffer;
+            set => Set(ref _useBuffer, value);
+        }
+
+        #endregion Properties
+
+        #region Constructor
+
+        protected ProfileProviderViewModelBase(ISettingsService settingsService, IApplicationView applicationView,
+            bool strictProfileType, ShellProfile original = null)
+        {
+            SettingsService = settingsService;
+            ApplicationView = applicationView;
+            _strictProfileType = strictProfileType;
+
+            _model = original ?? new ShellProfile();
+
+            TabThemes = new ObservableCollection<TabTheme>(settingsService.GetTabThemes());
+
+            SelectedTabTheme = TabThemes.First();
+
+            TerminalThemes = new ObservableCollection<TerminalTheme>(settingsService.GetThemes());
+
+            TerminalThemes.Insert(0, new TerminalTheme {Id = Guid.Empty, Name = "Default"});
+
+            SelectedTerminalTheme = TerminalThemes.First();
+
+            MessengerInstance.Register<ThemeAddedMessage>(this, OnThemeAdded);
+            MessengerInstance.Register<ThemeDeletedMessage>(this, OnThemeDeleted);
+
+            Initialize(Model);
+        }
+
+        #endregion Constructor
+
+        #region Methods
+
+        private void OnThemeDeleted(ThemeDeletedMessage message)
+        {
+            var theme = TerminalThemes.FirstOrDefault(t => t.Id.Equals(message.ThemeId));
+
+            if (theme == null)
+            {
+                return;
+            }
+
+            ApplicationView.ExecuteOnUiThreadAsync(() =>
+            {
+                TerminalThemes.Remove(theme);
+
+                if (_terminalThemeId.Equals(message.ThemeId))
+                {
+                    SelectedTerminalTheme = TerminalThemes.First();
+                }
+            }, CoreDispatcherPriority.Low, true);
+        }
+
+        private void OnThemeAdded(ThemeAddedMessage message)
+        {
+            ApplicationView.ExecuteOnUiThreadAsync(() => TerminalThemes.Add(message.Theme), CoreDispatcherPriority.Low);
+        }
+
+        private void Initialize(ShellProfile profile)
+        {
+            UseConPty = profile.UseConPty;
+            UseBuffer = profile.UseBuffer;
+            TerminalThemeId = profile.TerminalThemeId;
+            TabThemeId = profile.TabThemeId;
+        }
+
+        protected virtual void LoadFromProfile(ShellProfile profile)
+        {
+            Initialize(profile);
+        }
+
+        protected virtual Task CopyToProfileAsync(ShellProfile profile)
+        {
+            profile.UseConPty = _useConPty;
+            profile.UseBuffer = _useBuffer;
+            profile.TerminalThemeId = _terminalThemeId;
+            profile.TabThemeId = _tabThemeId;
+            return Task.CompletedTask;
+        }
+
+        public virtual Task<string> ValidateAsync()
+        {
+            return Task.FromResult<string>(null);
+        }
+
+        /// <summary>
+        /// Returns <c>true</c> if view model values aren't equal to the corresponding values of the
+        /// underlying <see cref="ShellProfile"/>.
+        /// </summary>
+        public virtual bool HasChanges()
+        {
+            return Model.UseConPty != _useConPty ||
+                   Model.UseBuffer != _useBuffer ||
+                   !Model.TerminalThemeId.Equals(_terminalThemeId) ||
+                   Model.TabThemeId != _tabThemeId;
+        }
+
+        /// <summary>
+        /// Copies values from the view model to the underlying <see cref="ShellProfile"/>.
+        /// </summary>
+        /// <param name="acceptIfInvalid">Defines what will happen if the view model data is invalid (if
+        /// <see cref="ValidateAsync"/> returns non-empty string). If this parameter is set to <c>true</c>, the
+        /// data will be copied to the underlying <see cref="ShellProfile"/> anyway. If it's set to <c>false</c>,
+        /// (default) the underlying <see cref="ShellProfile"/> won't be changed at all.</param>
+        /// <returns><c>null</c> or empty string if the operation was successful (the data is valid), or an error
+        /// message returned by <see cref="ValidateAsync"/> method.</returns>
+        public async Task<string> AcceptChangesAsync(bool acceptIfInvalid = false)
+        {
+            var error = await ValidateAsync().ConfigureAwait(false);
+
+            if (acceptIfInvalid || string.IsNullOrEmpty(error))
+            {
+                await CopyToProfileAsync(Model).ConfigureAwait(false);
+            }
+
+            return error;
+        }
+
+        public Task RejectChangesAsync()
+        {
+            return ApplicationView.ExecuteOnUiThreadAsync(() => LoadFromProfile(Model));
+        }
+
+        #endregion Methods
+
+        #region Links/shortcuts related
+
+        private const string UseConPtyQueryStringName = "conpty";
+        private const string UseBufferQueryStringName = "buffer";
+        private const string TerminalThemeIdQueryStringName = "theme";
+        private const string TabThemeIdQueryStringName = "tab";
+
+        private const string ShortcutFileFormat = @"[{{000214A0-0000-0000-C000-000000000046}}]
+Prop3=19,0
+[InternetShortcut]
+IDList=
+URL={0}
+";
+
+        public static string GetShortcutFileContent(string url) => string.Format(ShortcutFileFormat, url);
+
+        public static IEnumerable<Tuple<string, string>> ParseParams(string uriOpts, char separator) =>
+            uriOpts.Split(separator).Select(ParseSshOptionFromUri).Where(p => p != null);
+
+        private static Tuple<string, string> ParseSshOptionFromUri(string option)
+        {
+            string[] nv = option.Split('=');
+
+            if (nv.Length != 2 || string.IsNullOrEmpty(nv[0]))
+            {
+                // For now simply ignore invalid options
+                return null;
+                //throw new FormatException($"Invalid SSH option '{option}'.");
+            }
+
+            return Tuple.Create(HttpUtility.UrlDecode(nv[0]), HttpUtility.UrlDecode(nv[1]));
+        }
+
+        /// <summary>
+        /// Generates URL.
+        /// </summary>
+        /// <returns><see cref="Tuple"/> whose first item represents success. If the first item is <c>true</c>,
+        /// the second contains the URL. If the first item is <c>false</c>, the second contains error message.</returns>
+        public virtual Task<Tuple<bool, string>> GetUrlAsync() =>
+            Task.FromResult(Tuple.Create(false, "Not supported."));
+
+        public string GetBaseQueryString()
+        {
+            var queryString = $"{UseConPtyQueryStringName}={_useConPty}&{UseBufferQueryStringName}={_useBuffer}";
+
+            if (_tabThemeId != TabThemes.First().Id)
+            {
+                queryString += $"&{TabThemeIdQueryStringName}={_tabThemeId:##########}";
+            }
+
+            if (!_terminalThemeId.Equals(TerminalThemes.First().Id))
+            {
+                queryString += $"&{TerminalThemeIdQueryStringName}={_terminalThemeId}";
+            }
+
+            return queryString;
+        }
+
+        public void LoadBaseFromQueryString(IList<Tuple<string, string>> queryStringParams)
+        {
+            if (queryStringParams == null)
+            {
+                return;
+            }
+
+            var keyValue = queryStringParams.FirstOrDefault(t =>
+                UseConPtyQueryStringName.Equals(t.Item1, StringComparison.OrdinalIgnoreCase));
+
+            if (!string.IsNullOrEmpty(keyValue?.Item2) && bool.TryParse(keyValue.Item2?.ToLower(), out bool useConPty))
+            {
+                UseConPty = useConPty;
+            }
+
+            keyValue = queryStringParams.FirstOrDefault(t =>
+                UseBufferQueryStringName.Equals(t.Item1, StringComparison.OrdinalIgnoreCase));
+
+            if (!string.IsNullOrEmpty(keyValue?.Item2) && bool.TryParse(keyValue.Item2?.ToLower(), out bool useBuffer))
+            {
+                UseConPty = useBuffer;
+            }
+
+            keyValue = queryStringParams.FirstOrDefault(t =>
+                TabThemeIdQueryStringName.Equals(t.Item1, StringComparison.OrdinalIgnoreCase));
+
+            if (!string.IsNullOrEmpty(keyValue?.Item2) && int.TryParse(keyValue.Item2, out int tabThemeId))
+            {
+                TabThemeId = tabThemeId;
+            }
+
+            keyValue = queryStringParams.FirstOrDefault(t =>
+                TerminalThemeIdQueryStringName.Equals(t.Item1, StringComparison.OrdinalIgnoreCase));
+
+            if (!string.IsNullOrEmpty(keyValue?.Item2) && Guid.TryParse(keyValue.Item2, out Guid terminalThemeId))
+            {
+                TerminalThemeId = terminalThemeId;
+            }
+        }
+
+        #endregion Links/shortcuts related
+    }
+}

FluentTerminal.App.ViewModels/Profiles/SshConnectViewModel.cs

@@ -0,0 +1,536 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using System.Web;
+using FluentTerminal.App.Services;
+using FluentTerminal.App.Services.Utilities;
+using FluentTerminal.App.ViewModels.Infrastructure;
+using FluentTerminal.Models;
+
+namespace FluentTerminal.App.ViewModels.Profiles
+{
+    /// <summary>
+    /// View-model for rich-UI based SSH profiles.
+    /// </summary>
+    public class SshConnectViewModel : ProfileProviderViewModelBase
+    {
+        #region Static
+
+        public static string GetErrorString(SshConnectionInfoValidationResult result, string separator = "; ") =>
+            string.Join(separator, GetErrors(result));
+
+        public static IEnumerable<string> GetErrors(SshConnectionInfoValidationResult result)
+        {
+            if (result == SshConnectionInfoValidationResult.Valid)
+            {
+                yield break;
+            }
+
+            foreach (var value in Enum.GetValues(typeof(SshConnectionInfoValidationResult))
+                .Cast<SshConnectionInfoValidationResult>().Where(r => r != SshConnectionInfoValidationResult.Valid))
+            {
+                if ((value & result) == value)
+                {
+                    yield return I18N.Translate($"{nameof(SshConnectionInfoValidationResult)}.{value}");
+                }
+            }
+        }
+
+        #endregion Static
+
+        #region Fields
+
+        private readonly ITrayProcessCommunicationService _trayProcessCommunicationService;
+        private readonly IFileSystemService _fileSystemService;
+
+        // To prevent validating the existence of the same file multiple times because it's kinda expensive
+        private string _validatedIdentityFile;
+
+        #endregion Fields
+
+        #region Properties
+
+        private string _host;
+
+        public string Host
+        {
+            get => _host;
+            set => Set(ref _host, value);
+        }
+
+        private ushort _sshPort;
+
+        public ushort SshPort
+        {
+            get => _sshPort;
+            set => Set(ref _sshPort, value);
+        }
+
+        private string _username;
+
+        public string Username
+        {
+            get => _username;
+            set => Set(ref _username, value);
+        }
+
+        private string _identityFile;
+
+        public string IdentityFile
+        {
+            get => _identityFile;
+            set => Set(ref _identityFile, value);
+        }
+
+        private bool _useMosh;
+
+        public bool UseMosh
+        {
+            get => _useMosh;
+            set => Set(ref _useMosh, value);
+        }
+
+        private ushort _moshPortFrom;
+
+        public ushort MoshPortFrom
+        {
+            get => _moshPortFrom;
+            set => Set(ref _moshPortFrom, value);
+        }
+
+        private ushort _moshPortTo;
+
+        public ushort MoshPortTo
+        {
+            get => _moshPortTo;
+            set => Set(ref _moshPortTo, value);
+        }
+
+        #endregion Properties
+
+        #region Commands
+
+        public IAsyncCommand BrowseForIdentityFileCommand { get; }
+
+        #endregion Commands
+
+        #region Constructor
+
+        public SshConnectViewModel(ISettingsService settingsService, IApplicationView applicationView,
+            ITrayProcessCommunicationService trayProcessCommunicationService, IFileSystemService fileSystemService,
+            SshProfile original = null) : base(settingsService, applicationView, true,
+            original ?? new SshProfile { UseMosh = settingsService.GetApplicationSettings().UseMoshByDefault,
+                RequestConPty = settingsService.GetApplicationSettings().UseConPty
+            })
+        {
+            _trayProcessCommunicationService = trayProcessCommunicationService;
+            _fileSystemService = fileSystemService;
+
+            Initialize((SshProfile)Model);
+
+            BrowseForIdentityFileCommand = new AsyncCommand(BrowseForIdentityFileAsync);
+        }
+
+        #endregion Constructor
+
+        #region Methods
+
+        // Fills the view model properties from the input sshProfile
+        private void Initialize(SshProfile sshProfile)
+        {
+            Host = sshProfile.Host;
+            SshPort = sshProfile.SshPort;
+
+            Username = sshProfile.Username;
+
+            if (string.IsNullOrEmpty(Username))
+            {
+                _trayProcessCommunicationService.GetUserNameAsync().ContinueWith(t =>
+                {
+                    var username = t.Result;
+
+                    if (string.IsNullOrEmpty(Username) && !string.IsNullOrEmpty(username))
+                    {
+                        ApplicationView.ExecuteOnUiThreadAsync(() => Username = username);
+                    }
+                }, TaskContinuationOptions.OnlyOnRanToCompletion);
+            }
+
+            IdentityFile = sshProfile.IdentityFile;
+            UseMosh = sshProfile.UseMosh;
+            MoshPortFrom = sshProfile.MoshPortFrom;
+            MoshPortTo = sshProfile.MoshPortTo;
+        }
+
+        // Requires UI thread
+        private async Task BrowseForIdentityFileAsync()
+        {
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+            var file = await _fileSystemService.OpenFileAsync(new[] { "*" }).ConfigureAwait(true);
+            if (file != null)
+            {
+                IdentityFile = file.Path;
+            }
+        }
+
+        private string GetArgumentsString()
+        {
+            var sshArguments = GetSshArguments();
+
+            if (!_useMosh)
+            {
+                return string.IsNullOrWhiteSpace(sshArguments) ? $"{_username}@{_host}" : $"{sshArguments} {_username}@{_host}";
+            }
+
+            return string.IsNullOrEmpty(sshArguments)
+                ? $"-p {_moshPortFrom}:{_moshPortTo} {_username}@{_host}"
+                : $"-p {_moshPortFrom}:{_moshPortTo} --ssh=\"ssh {sshArguments}\" {_username}@{_host}";
+        }
+
+        private string GetSshArguments()
+        {
+            if (string.IsNullOrEmpty(_identityFile))
+            {
+                return _sshPort == SshProfile.DefaultSshPort ? null : $"-p {_sshPort:#####}";
+            }
+
+            return _sshPort == SshProfile.DefaultSshPort
+                ? $"-i \"{_identityFile}\""
+                : $"-p {_sshPort:#####} -i \"{_identityFile}\"";
+        }
+
+        protected override void LoadFromProfile(ShellProfile profile)
+        {
+            base.LoadFromProfile(profile);
+
+            Initialize((SshProfile)profile);
+        }
+
+        protected override async Task CopyToProfileAsync(ShellProfile profile)
+        {
+            await base.CopyToProfileAsync(profile).ConfigureAwait(false);
+
+            var sshProfile = (SshProfile) profile;
+
+            sshProfile.Location = _useMosh ? Constants.MoshCommandName : Constants.SshCommandName;
+            sshProfile.Arguments = GetArgumentsString();
+
+            sshProfile.WorkingDirectory = null;
+
+            sshProfile.Host = _host;
+            sshProfile.SshPort = _sshPort;
+            sshProfile.Username = _username;
+            sshProfile.IdentityFile = _identityFile;
+            sshProfile.UseMosh = _useMosh;
+            sshProfile.MoshPortFrom = _moshPortFrom;
+            sshProfile.MoshPortTo = _moshPortTo;
+        }
+
+        public override async Task<string> ValidateAsync()
+        {
+            var error = await base.ValidateAsync().ConfigureAwait(false);
+
+            if (!string.IsNullOrEmpty(error))
+            {
+                return error;
+            }
+
+            var result = await GetSshInfoValidationResultAsync().ConfigureAwait(false);
+
+            if (result == SshConnectionInfoValidationResult.Valid)
+            {
+                return null;
+            }
+
+            error = GetErrorString(result, Environment.NewLine);
+
+            if (string.IsNullOrEmpty(error))
+            {
+                error = "Invalid input.";
+            }
+
+            return error;
+        }
+
+        public override bool HasChanges()
+        {
+            var original = (SshProfile)Model;
+
+            return base.HasChanges() || !original.Host.NullableEqualTo(_host) || original.SshPort != _sshPort ||
+                   !original.Username.NullableEqualTo(_username) ||
+                   !original.IdentityFile.NullableEqualTo(_identityFile) || original.UseMosh != _useMosh ||
+                   original.MoshPortFrom != _moshPortFrom || original.MoshPortTo != _moshPortTo;
+        }
+
+        private async Task<SshConnectionInfoValidationResult> GetSshInfoValidationResultAsync()
+        {
+            var result = SshConnectionInfoValidationResult.Valid;
+
+            if (string.IsNullOrEmpty(_username))
+            {
+                result |= SshConnectionInfoValidationResult.UsernameEmpty;
+            }
+
+            if (string.IsNullOrEmpty(_host))
+            {
+                result |= SshConnectionInfoValidationResult.HostEmpty;
+            }
+
+            if (_sshPort < 1)
+            {
+                result |= SshConnectionInfoValidationResult.SshPortZeroOrNegative;
+            }
+
+            if (!await CheckIdentityFileExistsAsync().ConfigureAwait(false))
+            {
+                result |= SshConnectionInfoValidationResult.IdentityFileDoesNotExist;
+            }
+
+            if (!_useMosh)
+            {
+                return result;
+            }
+
+            if (_moshPortFrom < 1)
+            {
+                result |= SshConnectionInfoValidationResult.MoshPortZeroOrNegative;
+            }
+
+            if (_moshPortFrom > _moshPortTo)
+            {
+                result |= SshConnectionInfoValidationResult.MoshPortRangeInvalid;
+            }
+
+            return result;
+        }
+
+        // Requires UI thread
+        private async Task<bool> CheckIdentityFileExistsAsync()
+        {
+            var identityFile = _identityFile;
+
+            if (string.IsNullOrEmpty(identityFile) ||
+                identityFile.Equals(_validatedIdentityFile, StringComparison.OrdinalIgnoreCase))
+            {
+                return true;
+            }
+
+            // Here we need to take into account that files from ssh config dir can be provided by name, without full path.
+            string fullPath;
+
+            if (Path.IsPathRooted(identityFile))
+            {
+                fullPath = identityFile;
+            }
+            else
+            {
+                // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+                var sshConfigDir = await _trayProcessCommunicationService.GetSshConfigDirAsync().ConfigureAwait(true);
+
+                if (string.IsNullOrEmpty(sshConfigDir))
+                {
+                    return false;
+                }
+
+                fullPath = Path.Combine(sshConfigDir, identityFile);
+            }
+
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+            if (await _trayProcessCommunicationService.CheckFileExistsAsync(fullPath).ConfigureAwait(true))
+            {
+                _validatedIdentityFile = identityFile;
+
+                IdentityFile = fullPath;
+
+                return true;
+            }
+
+            return false;
+        }
+
+        public void SetValidatedIdentityFile(string identityFile)
+        {
+            _validatedIdentityFile = identityFile;
+            IdentityFile = identityFile;
+        }
+
+        #endregion Methods
+
+        #region Links/shortcuts related
+
+        // Resources:
+        // https://tools.ietf.org/html/draft-ietf-secsh-scp-sftp-ssh-uri-04#section-3
+        // https://man.openbsd.org/ssh
+
+        private const string SshUriScheme = "ssh";
+        private const string MoshUriScheme = "mosh";
+
+        // Constant derived from https://man.openbsd.org/ssh
+        private const string IdentityFileOptionName = "IdentityFile";
+
+        private static readonly string[] ValidMoshPortsNames = { "mosh_ports", "mosh-ports" };
+
+        private static readonly Regex MoshRangeRx =
+            new Regex(@"^(?<from>\d{1,5})[:-](?<to>\d{1,5})$", RegexOptions.Compiled);
+
+        public static bool CheckScheme(Uri uri) =>
+            SshUriScheme.Equals(uri?.Scheme, StringComparison.OrdinalIgnoreCase) ||
+            MoshUriScheme.Equals(uri?.Scheme, StringComparison.OrdinalIgnoreCase);
+
+        public static SshConnectViewModel ParseUri(Uri uri, ISettingsService settingsService,
+            IApplicationView applicationView, ITrayProcessCommunicationService trayProcessCommunicationService,
+            IFileSystemService fileSystemService, IApplicationDataContainer historyContainer)
+        {
+            var vm = new SshConnectViewModel(settingsService, applicationView, trayProcessCommunicationService,
+                fileSystemService)
+            {
+                Host = uri.Host,
+                UseMosh = MoshUriScheme.Equals(uri.Scheme, StringComparison.OrdinalIgnoreCase)
+            };
+
+            if (uri.Port >= 0)
+                vm.SshPort = (ushort)uri.Port;
+
+            if (!string.IsNullOrEmpty(uri.UserInfo))
+            {
+                string[] parts = uri.UserInfo.Split(';');
+
+                if (parts.Length > 2)
+                    throw new FormatException($"UserInfo part contains {parts.Length} elements.");
+
+                vm.Username = HttpUtility.UrlDecode(parts[0]);
+
+                if (parts.Length > 1)
+                {
+                    // For now we are only interested in IdentityFile option
+                    Tuple<string, string> identityFileOption = ParseParams(parts[1], ',').FirstOrDefault(p =>
+                        string.Equals(p.Item1, IdentityFileOptionName, StringComparison.OrdinalIgnoreCase));
+
+                    vm.IdentityFile = identityFileOption?.Item2;
+                }
+            }
+
+            // ReSharper disable once ConstantConditionalAccessQualifier
+            string queryString = uri.Query?.Trim();
+
+            if (string.IsNullOrEmpty(queryString))
+            {
+                return vm;
+            }
+
+            if (queryString.StartsWith("?", StringComparison.Ordinal))
+            {
+                queryString = queryString.Substring(1);
+            }
+
+            var queryStringParams = ParseParams(queryString, '&').ToList();
+
+            var moshPorts = queryStringParams.FirstOrDefault(p =>
+                ValidMoshPortsNames.Any(n => string.Equals(p.Item1, n, StringComparison.OrdinalIgnoreCase)));
+
+            if (moshPorts != null)
+            {
+                Match match = MoshRangeRx.Match(moshPorts.Item2);
+
+                if (match.Success)
+                {
+                    vm.MoshPortFrom = ushort.Parse(match.Groups["from"].Value);
+                    vm.MoshPortTo = ushort.Parse(match.Groups["to"].Value);
+                }
+            }
+
+            vm.LoadBaseFromQueryString(queryStringParams);
+
+            return vm;
+        }
+
+        public override async Task<Tuple<bool, string>> GetUrlAsync()
+        {
+            var error = await base.ValidateAsync().ConfigureAwait(false);
+
+            if (!string.IsNullOrEmpty(error))
+            {
+                return Tuple.Create(false, error);
+            }
+
+            var result = await GetSshInfoValidationResultAsync().ConfigureAwait(false);
+
+            if (result != SshConnectionInfoValidationResult.Valid &&
+                // For links we can ignore missing username
+                result != SshConnectionInfoValidationResult.UsernameEmpty)
+            {
+
+                error = GetErrorString(result, Environment.NewLine);
+
+                if (string.IsNullOrEmpty(error))
+                {
+                    error = "Invalid input.";
+                }
+
+                return Tuple.Create(false, error);
+            }
+
+            var sb = new StringBuilder(_useMosh ? MoshUriScheme : SshUriScheme);
+
+            sb.Append("://");
+
+            bool containsUserInfo = false;
+
+            if (!string.IsNullOrEmpty(_username))
+            {
+                sb.Append(HttpUtility.UrlEncode(_username));
+
+                containsUserInfo = true;
+            }
+
+            if (!string.IsNullOrEmpty(_identityFile))
+            {
+                sb.Append(";");
+
+                if (!string.IsNullOrEmpty(_identityFile))
+                {
+                    sb.Append($"{IdentityFileOptionName}={HttpUtility.UrlEncode(_identityFile)}");
+                }
+
+                containsUserInfo = true;
+            }
+
+            if (containsUserInfo)
+                sb.Append("@");
+
+            sb.Append(_host);
+
+            if (_sshPort != SshProfile.DefaultSshPort)
+            {
+                sb.Append($":{_sshPort:#####}");
+            }
+
+            sb.Append("/");
+
+            bool queryStringAdded = false;
+
+            if (_useMosh)
+            {
+                sb.Append(
+                    $"?{ValidMoshPortsNames[0]}={_moshPortFrom:#####}-{_moshPortTo:#####}");
+
+                queryStringAdded = true;
+            }
+
+            var terminalInfoQueryString = GetBaseQueryString();
+
+            if (!string.IsNullOrEmpty(terminalInfoQueryString))
+            {
+                sb.Append($"{(queryStringAdded ? "&" : "?")}{terminalInfoQueryString}");
+            }
+
+            return Tuple.Create(true, sb.ToString());
+        }
+
+        #endregion Links/shortcuts related
+    }
+}

FluentTerminal.App.ViewModels/Profiles/SshConnectionInfoValidationResult.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace FluentTerminal.Models.Enums
+namespace FluentTerminal.App.ViewModels.Profiles
 {
     [Flags]
     public enum SshConnectionInfoValidationResult

FluentTerminal.App.ViewModels/Settings/AboutPageViewModel.cs

@@ -1,7 +1,6 @@
 using FluentTerminal.App.Services;
 using FluentTerminal.App.ViewModels.Infrastructure;
 using GalaSoft.MvvmLight;
-using System;
 using System.Threading.Tasks;
 
 namespace FluentTerminal.App.ViewModels.Settings
@@ -9,18 +8,16 @@ namespace FluentTerminal.App.ViewModels.Settings
     public class AboutPageViewModel : ViewModelBase
     {
         private const string BaseUrl = "https://github.com/felixse/FluentTerminal/releases/tag/";
-        private readonly ISettingsService _settingsService;
         private readonly IUpdateService _updateService;
         private string _latestVersion;
         private readonly IApplicationView _applicationView;
 
-        public AboutPageViewModel(ISettingsService settingsService, IUpdateService updateService, IApplicationView applicationView)
+        public AboutPageViewModel(IUpdateService updateService, IApplicationView applicationView)
         {
-            _settingsService = settingsService;
             _updateService = updateService;
             _applicationView = applicationView;
 
-            CheckForUpdatesCommand = new AsyncCommand(() => CheckForUpdate(true));
+            CheckForUpdatesCommand = new AsyncCommand(() => CheckForUpdateAsync(true));
         }
 
         public IAsyncCommand CheckForUpdatesCommand { get; }
@@ -30,7 +27,7 @@ namespace FluentTerminal.App.ViewModels.Settings
             get
             {
                 var version = _updateService.GetCurrentVersion();
-                return ConvertVersionToString(version);
+                return $"{version.Major}.{version.Minor}.{version.Build}.{version.Revision}";
             }
         }
 
@@ -61,19 +58,16 @@ namespace FluentTerminal.App.ViewModels.Settings
 
         public Task OnNavigatedTo()
         {
-            return CheckForUpdate(false);
+            return CheckForUpdateAsync(false);
         }
 
-        public async Task CheckForUpdate(bool notifyNoUpdate)
+        private async Task CheckForUpdateAsync(bool notifyNoUpdate)
         {
-            var version = ConvertVersionToString(await _updateService.GetLatestVersionAsync());
-            await _applicationView.RunOnDispatcherThread(() => LatestVersion = version);
-            await _updateService.CheckForUpdate(notifyNoUpdate);
-        }
-
-        private string ConvertVersionToString(Version version)
-        {
-            return string.Format("{0}.{1}.{2}.{3}", version.Major, version.Minor, version.Build, version.Revision);
+            var version = await _updateService.GetLatestVersionAsync().ConfigureAwait(false);
+            await _applicationView.ExecuteOnUiThreadAsync(() =>
+                    LatestVersion = $"{version.Major}.{version.Minor}.{version.Build}.{version.Revision}")
+                .ConfigureAwait(false);
+            await _updateService.CheckForUpdateAsync(notifyNoUpdate).ConfigureAwait(false);
         }
     }
 }

FluentTerminal.App.ViewModels/Settings/GeneralPageViewModel.cs

@@ -1,9 +1,9 @@
 using FluentTerminal.App.Services;
 using FluentTerminal.App.Services.Utilities;
+using FluentTerminal.App.ViewModels.Infrastructure;
 using FluentTerminal.Models;
 using FluentTerminal.Models.Enums;
 using GalaSoft.MvvmLight;
-using GalaSoft.MvvmLight.Command;
 using System.Collections.Generic;
 using System.Threading.Tasks;
 
@@ -22,19 +22,25 @@ namespace FluentTerminal.App.ViewModels.Settings
         private string _startupTaskErrorMessage;
         private bool _needsToRestart;
         private readonly IApplicationLanguageService _applicationLanguageService;
+        private readonly ITrayProcessCommunicationService _trayProcessCommunicationService;
+        private readonly IFileSystemService _fileSystemService;
 
         public GeneralPageViewModel(ISettingsService settingsService, IDialogService dialogService, IDefaultValueProvider defaultValueProvider,
-            IStartupTaskService startupTaskService, IApplicationLanguageService applicationLanguageService)
+            IStartupTaskService startupTaskService, IApplicationLanguageService applicationLanguageService,
+            ITrayProcessCommunicationService trayProcessCommunicationService, IFileSystemService fileSystemService)
         {
             _settingsService = settingsService;
             _dialogService = dialogService;
             _defaultValueProvider = defaultValueProvider;
             _startupTaskService = startupTaskService;
             _applicationLanguageService = applicationLanguageService;
+            _trayProcessCommunicationService = trayProcessCommunicationService;
+            _fileSystemService = fileSystemService;
 
             _applicationSettings = _settingsService.GetApplicationSettings();
 
-            RestoreDefaultsCommand = new RelayCommand(async () => await RestoreDefaults().ConfigureAwait(false));
+            RestoreDefaultsCommand = new AsyncCommand(RestoreDefaultsAsync);
+            BrowseLogDirectoryCommand = new AsyncCommand(BrowseLogDirectoryAsync);
         }
 
         public IEnumerable<string> Languages => _applicationLanguageService.Languages;
@@ -55,26 +61,14 @@ namespace FluentTerminal.App.ViewModels.Settings
             }
         }
 
-        public async Task OnNavigatedTo()
+        // Requires UI thread
+        public async Task OnNavigatedToAsync()
         {
-            var startupTaskStatus = await _startupTaskService.GetStatus();
+            // ConfigureAwait(true) because we want to execute SetStartupTaskPropertiesForStatus from the calling (UI) thread.
+            var startupTaskStatus = await _startupTaskService.GetStatusAsync().ConfigureAwait(true);
             SetStartupTaskPropertiesForStatus(startupTaskStatus);
         }
 
-        public bool AlwaysShowTabs
-        {
-            get => _applicationSettings.AlwaysShowTabs;
-            set
-            {
-                if (_applicationSettings.AlwaysShowTabs != value)
-                {
-                    _applicationSettings.AlwaysShowTabs = value;
-                    _settingsService.SaveApplicationSettings(_applicationSettings);
-                    RaisePropertyChanged();
-                }
-            }
-        }
-
         public bool ShowCustomTitleInTitlebar
         {
             get => _applicationSettings.ShowCustomTitleInTitlebar;
@@ -168,6 +162,77 @@ namespace FluentTerminal.App.ViewModels.Settings
             }
         }
 
+        public bool MuteTerminalBeeps
+        {
+            get => _applicationSettings.MuteTerminalBeeps;
+            set
+            {
+                if (_applicationSettings.MuteTerminalBeeps != value)
+                {
+                    _applicationSettings.MuteTerminalBeeps = value;
+                    _settingsService.SaveApplicationSettings(_applicationSettings);
+                    RaisePropertyChanged();
+
+                    _trayProcessCommunicationService.MuteTerminalAsync(value);
+                }
+            }
+        }
+        public bool EnableLogging
+        {
+            get => _applicationSettings.EnableLogging;
+            set
+            {
+                if (_applicationSettings.EnableLogging != value)
+                {
+                    _applicationSettings.EnableLogging = value;
+                    _settingsService.SaveApplicationSettings(_applicationSettings);
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
+        public bool PrintableOutputOnly
+        {
+            get => _applicationSettings.PrintableOutputOnly;
+            set
+            {
+                if (_applicationSettings.PrintableOutputOnly != value)
+                {
+                    _applicationSettings.PrintableOutputOnly = value;
+                    _settingsService.SaveApplicationSettings(_applicationSettings);
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
+        public string LogDirectoryPath
+        {
+            get => _applicationSettings.LogDirectoryPath;
+            set
+            {
+                if (_applicationSettings.LogDirectoryPath != value)
+                {
+                    _applicationSettings.LogDirectoryPath = value;
+                    _settingsService.SaveApplicationSettings(_applicationSettings);
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
+        public bool UseConPty
+        {
+            get => _applicationSettings.UseConPty;
+            set
+            {
+                if (_applicationSettings.UseConPty != value)
+                {
+                    _applicationSettings.UseConPty = value;
+                    _settingsService.SaveApplicationSettings(_applicationSettings);
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
         public bool BottomIsSelected
         {
             get => TabsPosition == TabsPosition.Bottom;
@@ -218,22 +283,38 @@ namespace FluentTerminal.App.ViewModels.Settings
                     _applicationSettings.NewTerminalLocation = value;
                     _settingsService.SaveApplicationSettings(_applicationSettings);
                     RaisePropertyChanged();
+                    RaisePropertyChanged(nameof(TabIsSelected));
                 }
             }
         }
 
-        public RelayCommand RestoreDefaultsCommand { get; }
+        public bool TabWindowCascadingAppMenu
+        {
+            get => _applicationSettings.TabWindowCascadingAppMenu;
+            set
+            {
+                if (_applicationSettings.TabWindowCascadingAppMenu != value)
+                {
+                    _applicationSettings.TabWindowCascadingAppMenu = value;
+                    _settingsService.SaveApplicationSettings(_applicationSettings);
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
+        public IAsyncCommand RestoreDefaultsCommand { get; }
+
+        public IAsyncCommand BrowseLogDirectoryCommand { get; }
 
         public bool StartupTaskEnabled
         {
             get => _startupTaskEnabled;
             set
             {
-                if (_startupTaskEnabled != value)
+                if (Set(ref _startupTaskEnabled, value))
                 {
-                    _startupTaskEnabled = value;
-                    RaisePropertyChanged(nameof(StartupTaskEnabled));
-                    SetStartupTaskState(value);
+                    // ReSharper disable once AssignmentIsFullyDiscarded
+                    _ = SetStartupTaskStateAsync(value);
                 }
             }
         }
@@ -247,7 +328,7 @@ namespace FluentTerminal.App.ViewModels.Settings
         public bool TabIsSelected
         {
             get => NewTerminalLocation == NewTerminalLocation.Tab;
-            set { if (value) NewTerminalLocation = NewTerminalLocation.Tab; }
+            set => NewTerminalLocation = value ? NewTerminalLocation.Tab : NewTerminalLocation.Window;
         }
 
         public TabsPosition TabsPosition
@@ -310,15 +391,27 @@ namespace FluentTerminal.App.ViewModels.Settings
             }
         }
 
-        public bool WindowIsSelected
+        public bool ShowTextCopied
         {
-            get => NewTerminalLocation == NewTerminalLocation.Window;
-            set { if (value) NewTerminalLocation = NewTerminalLocation.Window; }
+            get => _applicationSettings.ShowTextCopied;
+            set
+            {
+                if (_applicationSettings.ShowTextCopied != value)
+                {
+                    _applicationSettings.ShowTextCopied = value;
+                    _settingsService.SaveApplicationSettings(_applicationSettings);
+                    RaisePropertyChanged();
+                }
+            }
         }
 
-        private async Task RestoreDefaults()
+        // Requires UI thread
+        private async Task RestoreDefaultsAsync()
         {
-            var result = await _dialogService.ShowMessageDialogAsnyc(I18N.Translate("PleaseConfirm"), I18N.Translate("ConfirmRestoreGeneralSettings"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards
+            var result = await _dialogService.ShowMessageDialogAsync(I18N.Translate("PleaseConfirm"),
+                    I18N.Translate("ConfirmRestoreGeneralSettings"), DialogButton.OK, DialogButton.Cancel)
+                .ConfigureAwait(true);
 
             if (result == DialogButton.OK)
             {
@@ -328,16 +421,22 @@ namespace FluentTerminal.App.ViewModels.Settings
                 UnderlineSelectedTab = defaults.UnderlineSelectedTab;
                 InactiveTabColorMode = defaults.InactiveTabColorMode;
                 NewTerminalLocation = defaults.NewTerminalLocation;
-                AlwaysShowTabs = defaults.AlwaysShowTabs;
                 ShowNewOutputIndicator = defaults.ShowNewOutputIndicator;
                 EnableTrayIcon = defaults.EnableTrayIcon;
                 ShowCustomTitleInTitlebar = defaults.ShowCustomTitleInTitlebar;
                 UseMoshByDefault = defaults.UseMoshByDefault;
                 AutoFallbackToWindowsUsernameInLinks = defaults.AutoFallbackToWindowsUsernameInLinks;
                 RTrimCopiedLines = defaults.RTrimCopiedLines;
+                MuteTerminalBeeps = defaults.MuteTerminalBeeps;
+                EnableLogging = defaults.EnableLogging;
+                PrintableOutputOnly = defaults.PrintableOutputOnly;
+                LogDirectoryPath = defaults.LogDirectoryPath;
+                UseConPty = defaults.UseConPty;
+                ShowTextCopied = defaults.ShowTextCopied;
             }
         }
 
+        // Requires UI thread
         private void SetStartupTaskPropertiesForStatus(StartupTaskStatus startupTaskStatus)
         {
             switch (startupTaskStatus)
@@ -365,22 +464,44 @@ namespace FluentTerminal.App.ViewModels.Settings
                     StartupTaskErrorMessage = I18N.Translate("DisabledByPolicy");
                     CanEnableStartupTask = false;
                     break;
+
+                case StartupTaskStatus.EnabledByPolicy:
+                    StartupTaskEnabled = true;
+                    StartupTaskErrorMessage = I18N.TranslateWithFallback("EnabledByPolicy", "Enabled by policy.");
+                    CanEnableStartupTask = false;
+                    break;
             }
         }
 
-        private async Task SetStartupTaskState(bool enabled)
+        // Requires UI thread
+        private async Task SetStartupTaskStateAsync(bool enabled)
         {
             StartupTaskStatus status;
             if (enabled)
             {
-                status = await _startupTaskService.EnableStartupTask();
+                // ConfigureAwait(true) because we need to execute SetStartupTaskPropertiesForStatus in the calling (UI) thread.
+                status = await _startupTaskService.EnableStartupTaskAsync().ConfigureAwait(true);
             }
             else
             {
-                await _startupTaskService.DisableStartupTask();
-                status = await _startupTaskService.GetStatus();
+                // ConfigureAwait(true) because we need to execute SetStartupTaskPropertiesForStatus in the calling (UI) thread.
+                await _startupTaskService.DisableStartupTaskAsync().ConfigureAwait(true);
+                // ConfigureAwait(true) because we need to execute SetStartupTaskPropertiesForStatus in the calling (UI) thread.
+                status = await _startupTaskService.GetStatusAsync().ConfigureAwait(true);
             }
             SetStartupTaskPropertiesForStatus(status);
         }
+
+        // Requires UI thread
+        private async Task BrowseLogDirectoryAsync()
+        {
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+            var folder = await _fileSystemService.BrowseForDirectoryAsync().ConfigureAwait(true);
+
+            if (folder != null)
+            {
+                LogDirectoryPath = folder;
+            }
+        }
     }
 }

FluentTerminal.App.ViewModels/Settings/KeyBindingViewModel.cs

@@ -17,10 +17,11 @@ namespace FluentTerminal.App.ViewModels.Settings
             Model = keyBinding;
             Parent = parent;
             _dialogService = dialogService;
-            EditCommand = new AsyncCommand(Edit);
-            DeleteCommand = new AsyncCommand(Delete);
+            EditCommand = new AsyncCommand(EditAsync);
+            DeleteCommand = new AsyncCommand(DeleteAsync);
         }
 
+        // Needs to be triggered from the UI thread
         public event EventHandler Deleted;
 
         public event EventHandler Edited;
@@ -97,8 +98,10 @@ namespace FluentTerminal.App.ViewModels.Settings
             }
         }
 
-        public async Task<bool> Edit()
+        // Requires UI thread
+        public async Task<bool> EditAsync()
         {
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards.
             var keyBinding = await _dialogService.ShowCreateKeyBindingDialog().ConfigureAwait(true);
 
             if (keyBinding != null)
@@ -117,9 +120,12 @@ namespace FluentTerminal.App.ViewModels.Settings
             return false;
         }
 
-        private async Task Delete()
+        // Requires UI thread
+        private async Task DeleteAsync()
         {
-            var result = await _dialogService.ShowMessageDialogAsnyc(I18N.Translate("PleaseConfirm"), I18N.Translate("ConfirmDeleteKeybindings"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
+            // ConfigureAwait(true) because we need to trigger Deleted event in the calling (UI) thread.
+            var result = await _dialogService.ShowMessageDialogAsync(I18N.Translate("PleaseConfirm"),
+                I18N.Translate("ConfirmDeleteKeybindings"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
 
             if (result == DialogButton.OK)
             {

FluentTerminal.App.ViewModels/Settings/KeyBindingsPageViewModel.cs

@@ -14,20 +14,17 @@ namespace FluentTerminal.App.ViewModels.Settings
 {
     public class KeyBindingsPageViewModel : ViewModelBase
     {
-        private readonly IDefaultValueProvider _defaultValueProvider;
         private readonly IDialogService _dialogService;
         private readonly ISettingsService _settingsService;
         private readonly ITrayProcessCommunicationService _trayProcessCommunicationService;
-        private IDictionary<string, ICollection<KeyBinding>> _keyBindings;
 
-        public KeyBindingsPageViewModel(ISettingsService settingsService, IDialogService dialogService, IDefaultValueProvider defaultValueProvider, ITrayProcessCommunicationService trayProcessCommunicationService)
+        public KeyBindingsPageViewModel(ISettingsService settingsService, IDialogService dialogService, ITrayProcessCommunicationService trayProcessCommunicationService)
         {
             _settingsService = settingsService;
             _dialogService = dialogService;
-            _defaultValueProvider = defaultValueProvider;
             _trayProcessCommunicationService = trayProcessCommunicationService;
-            RestoreDefaultsCommand = new RelayCommand(async () => await RestoreDefaults().ConfigureAwait(false));
-            AddCommand = new RelayCommand<string>(async command => await Add(command).ConfigureAwait(false));
+            RestoreDefaultsCommand = new RelayCommand(async () => await RestoreDefaultsAsync().ConfigureAwait(false));
+            AddCommand = new RelayCommand<string>(async command => await AddAsync(command).ConfigureAwait(false));
 
             Initialize(_settingsService.GetCommandKeyBindings());
         }
@@ -36,12 +33,12 @@ namespace FluentTerminal.App.ViewModels.Settings
         public ObservableCollection<KeyBindingsViewModel> KeyBindings { get; } = new ObservableCollection<KeyBindingsViewModel>();
         public RelayCommand RestoreDefaultsCommand { get; }
 
-        private async Task Add(string command)
+        private Task AddAsync(string command)
         {
-            var keyBinding = KeyBindings.FirstOrDefault(k => k.Command == command);
-            await keyBinding?.ShowAddKeyBindingDialog();
+            return KeyBindings.First(k => k.Command == command).ShowAddKeyBindingDialogAsync();
         }
 
+        // Requires UI thread
         private void ClearKeyBindings()
         {
             foreach (var keyBinding in KeyBindings)
@@ -52,17 +49,16 @@ namespace FluentTerminal.App.ViewModels.Settings
             KeyBindings.Clear();
         }
 
+        // Requires UI thread
         private void Initialize(IDictionary<string, ICollection<KeyBinding>> keyBindings)
         {
-            _keyBindings = keyBindings;
-
             ClearKeyBindings();
 
             foreach (var value in Enum.GetValues(typeof(Command)))
             {
                 var command = (Command)value;
                 var viewModel = new KeyBindingsViewModel(command.ToString(), _dialogService, I18N.Translate($"{nameof(Command)}.{command}"), true);
-                foreach (var keyBinding in _keyBindings[command.ToString()])
+                foreach (var keyBinding in keyBindings[command.ToString()])
                 {
                     viewModel.Add(keyBinding);
                 }
@@ -74,12 +70,15 @@ namespace FluentTerminal.App.ViewModels.Settings
         private void OnEdited(string command, ICollection<KeyBinding> keyBindings)
         {
             _settingsService.SaveKeyBindings(command, keyBindings);
-            _trayProcessCommunicationService.UpdateToggleWindowKeyBindings();
+            _trayProcessCommunicationService.UpdateToggleWindowKeyBindingsAsync();
         }
 
-        private async Task RestoreDefaults()
+        // Requires UI thread
+        private async Task RestoreDefaultsAsync()
         {
-            var result = await _dialogService.ShowMessageDialogAsnyc(I18N.Translate("PleaseConfirm"), I18N.Translate("ConfirmRestoreKeybindings"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
+            // ConfigureAwait(true) because we need to execute Initialize in the calling (UI) thread.
+            var result = await _dialogService.ShowMessageDialogAsync(I18N.Translate("PleaseConfirm"),
+                I18N.Translate("ConfirmRestoreKeybindings"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
 
             if (result == DialogButton.OK)
             {

FluentTerminal.App.ViewModels/Settings/KeyBindingsViewModel.cs

@@ -42,21 +42,25 @@ namespace FluentTerminal.App.ViewModels.Settings
 
         public ObservableCollection<KeyBindingViewModel> KeyBindings { get; } = new ObservableCollection<KeyBindingViewModel>();
 
-        public async Task ShowAddKeyBindingDialog()
+        // Requires UI thread
+        public async Task ShowAddKeyBindingDialogAsync()
         {
             var newKeyBinding = new KeyBindingViewModel(new KeyBinding { Command = Command }, _dialogService, this);
 
-            if (await newKeyBinding.Edit().ConfigureAwait(true))
+            // ConfigureAwait(true) because we need to execute Add method in the calling (UI) thread.
+            if (await newKeyBinding.EditAsync().ConfigureAwait(true))
             {
                 Add(newKeyBinding.Model);
             }
         }
 
+        // Requires UI thread
         public void Clear()
         {
             KeyBindings.Clear();
         }
 
+        // Requires UI thread
         public void Add(KeyBinding keyBinding)
         {
             var viewModel = new KeyBindingViewModel(keyBinding, _dialogService, this);

FluentTerminal.App.ViewModels/Settings/MousePageViewModel.cs

@@ -22,7 +22,7 @@ namespace FluentTerminal.App.ViewModels.Settings
             _defaultValueProvider = defaultValueProvider;
             _applicationSettings = _settingsService.GetApplicationSettings();
 
-            RestoreDefaultsCommand = new RelayCommand(async () => await RestoreDefaults().ConfigureAwait(false));
+            RestoreDefaultsCommand = new RelayCommand(async () => await RestoreDefaultsAsync().ConfigureAwait(false));
         }
 
         public bool CopyOnSelect
@@ -71,6 +71,12 @@ namespace FluentTerminal.App.ViewModels.Settings
             set { if (value) MouseRightClickAction = MouseAction.Paste; }
         }
 
+        public bool MouseRightClickCopySelectionOrPasteIsSelected
+        {
+            get => MouseRightClickAction == MouseAction.CopySelectionOrPaste;
+            set { if (value) MouseRightClickAction = MouseAction.CopySelectionOrPaste; }
+        }
+
         public MouseAction MouseMiddleClickAction
         {
             get => _applicationSettings.MouseMiddleClickAction;
@@ -103,11 +109,21 @@ namespace FluentTerminal.App.ViewModels.Settings
             set { if (value) MouseMiddleClickAction = MouseAction.Paste; }
         }
 
+        public bool MouseMiddleClickCopySelectionOrPasteIsSelected
+        {
+            get => MouseMiddleClickAction == MouseAction.CopySelectionOrPaste;
+            set { if (value) MouseMiddleClickAction = MouseAction.CopySelectionOrPaste; }
+        }
+
         public RelayCommand RestoreDefaultsCommand { get; }
 
-        private async Task RestoreDefaults()
+        // Requires UI thread
+        private async Task RestoreDefaultsAsync()
         {
-            var result = await _dialogService.ShowMessageDialogAsnyc(I18N.Translate("PleaseConfirm"), I18N.Translate("ConfirmRestoreMouseSettings"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+            var result = await _dialogService.ShowMessageDialogAsync(I18N.Translate("PleaseConfirm"),
+                    I18N.Translate("ConfirmRestoreMouseSettings"), DialogButton.OK, DialogButton.Cancel)
+                .ConfigureAwait(true);
 
             if (result == DialogButton.OK)
             {

FluentTerminal.App.ViewModels/Settings/ProfilesPageViewModel.cs

@@ -90,7 +90,8 @@ namespace FluentTerminal.App.ViewModels.Settings
                 Id = Guid.NewGuid(),
                 PreInstalled = false,
                 Name = "New profile",
-                KeyBindings = new List<KeyBinding>()
+                KeyBindings = new List<KeyBinding>(),
+                UseConPty = _settingsService.GetApplicationSettings().UseConPty
             };
 
             AddShellProfile(shellProfile);
@@ -98,19 +99,18 @@ namespace FluentTerminal.App.ViewModels.Settings
 
         private void Clone(ShellProfileViewModel shellProfile)
         {
-            var cloned = shellProfile.Model.Clone();
+            var cloned = shellProfile.ProfileVm.Model.Clone();
 
             cloned.Id = Guid.NewGuid();
             cloned.PreInstalled = false;
             cloned.Name = $"Copy of {shellProfile.Name}";
+            cloned.KeyBindings = new List<KeyBinding>();
 
             AddShellProfile(cloned);
         }
 
         private void AddShellProfile(ShellProfile shellProfile)
         {
-            _settingsService.SaveShellProfile(shellProfile, true);
-
             var viewModel = new ShellProfileViewModel(shellProfile, _settingsService, _dialogService, _fileSystemService, _applicationView, _defaultValueProvider, true);
             viewModel.EditCommand.Execute(null);
             viewModel.SetAsDefault += OnShellProfileSetAsDefault;

FluentTerminal.App.ViewModels/Settings/SshProfilesPageViewModel.cs

@@ -16,28 +16,28 @@ namespace FluentTerminal.App.ViewModels.Settings
         private readonly IFileSystemService _fileSystemService;
         private SshProfileViewModel _selectedShellProfile;
         private readonly IApplicationView _applicationView;
-        private readonly IDefaultValueProvider _defaultValueProvider;
         private readonly ITrayProcessCommunicationService _trayProcessCommunicationService;
+        private readonly IApplicationDataContainer _historyContainer;
 
         public SshProfilesPageViewModel(ISettingsService settingsService, IDialogService dialogService,
             IFileSystemService fileSystemService, IApplicationView applicationView,
-            IDefaultValueProvider defaultValueProvider,
-            ITrayProcessCommunicationService trayProcessCommunicationService)
+            ITrayProcessCommunicationService trayProcessCommunicationService,
+            IApplicationDataContainer historyContainer)
         {
             _settingsService = settingsService;
             _dialogService = dialogService;
             _fileSystemService = fileSystemService;
             _applicationView = applicationView;
-            _defaultValueProvider = defaultValueProvider;
             _trayProcessCommunicationService = trayProcessCommunicationService;
+            _historyContainer = historyContainer;
 
             CreateSshProfileCommand = new RelayCommand(CreateSshProfile);
             CloneCommand = new RelayCommand<SshProfileViewModel>(Clone);
 
             foreach (var sshProfile in _settingsService.GetSshProfiles())
             {
-                var viewModel = new SshProfileViewModel(sshProfile, settingsService, dialogService,
-                    fileSystemService, applicationView, defaultValueProvider, _trayProcessCommunicationService, false);
+                var viewModel = new SshProfileViewModel(sshProfile, settingsService, dialogService, fileSystemService,
+                    applicationView, _trayProcessCommunicationService, historyContainer, false);
                 viewModel.Deleted += OnSshProfileDeleted;
                 SshProfiles.Add(viewModel);
             }
@@ -52,14 +52,14 @@ namespace FluentTerminal.App.ViewModels.Settings
 
         private void OnSshProfileDeleted(object sender, EventArgs e)
         {
-            if (sender is SshProfileViewModel shellProfile)
+            if (sender is SshProfileViewModel sshProfile)
             {
-                if (SelectedSshProfile == shellProfile)
+                if (SelectedSshProfile == sshProfile)
                 {
                     SelectedSshProfile = SshProfiles.First();
                 }
-                SshProfiles.Remove(shellProfile);
-                _settingsService.DeleteSshProfile(shellProfile.Id);
+                SshProfiles.Remove(sshProfile);
+                _settingsService.DeleteSshProfile(sshProfile.Id);
             }
         }
 
@@ -75,7 +75,8 @@ namespace FluentTerminal.App.ViewModels.Settings
                 PreInstalled = false,
                 Name = "New SSH profile",
                 KeyBindings = new List<KeyBinding>(),
-                UseMosh = _settingsService.GetApplicationSettings().UseMoshByDefault
+                UseMosh = _settingsService.GetApplicationSettings().UseMoshByDefault,
+                RequestConPty = _settingsService.GetApplicationSettings().UseConPty
             };
 
             AddSshProfile(shellProfile);
@@ -83,11 +84,12 @@ namespace FluentTerminal.App.ViewModels.Settings
 
         private void Clone(SshProfileViewModel shellProfile)
         {
-            var cloned = (SshProfile) shellProfile.Model.Clone();
+            var cloned = (SshProfile) shellProfile.ProfileVm.Model.Clone();
 
             cloned.Id = Guid.NewGuid();
             cloned.PreInstalled = false;
             cloned.Name = $"Copy of {shellProfile.Name}";
+            cloned.KeyBindings = new List<KeyBinding>();
 
             foreach (KeyBinding keyBinding in cloned.KeyBindings)
             {
@@ -99,7 +101,7 @@ namespace FluentTerminal.App.ViewModels.Settings
         private void AddSshProfile(SshProfile sshProfile)
         {
             var viewModel = new SshProfileViewModel(sshProfile, _settingsService, _dialogService, _fileSystemService,
-                _applicationView, _defaultValueProvider, _trayProcessCommunicationService, true);
+                _applicationView, _trayProcessCommunicationService, _historyContainer, true);
 
             viewModel.EditCommand.Execute(null);
             viewModel.Deleted += OnSshProfileDeleted;

FluentTerminal.App.ViewModels/Settings/TerminalPageViewModel.cs

@@ -1,5 +1,6 @@
 using FluentTerminal.App.Services;
 using FluentTerminal.App.Services.Utilities;
+using FluentTerminal.App.ViewModels.Utilities;
 using FluentTerminal.Models;
 using FluentTerminal.Models.Enums;
 using GalaSoft.MvvmLight;
@@ -67,6 +68,20 @@ namespace FluentTerminal.App.ViewModels.Settings
             }
         }
 
+        public bool UseAcrylicBackground
+        {
+            get => _terminalOptions.UseAcrylicBackground;
+            set
+            {
+                if (_terminalOptions.UseAcrylicBackground != value)
+                {
+                    _terminalOptions.UseAcrylicBackground = value;
+                    _settingsService.SaveTerminalOptions(_terminalOptions);
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
         public string FontFamily
         {
             get => _terminalOptions.FontFamily;
@@ -81,6 +96,20 @@ namespace FluentTerminal.App.ViewModels.Settings
             }
         }
 
+        public int FontWeight
+        {
+            get => _terminalOptions.FontWeight;
+            set
+            {
+                if (_terminalOptions.FontWeight != value)
+                {
+                    _terminalOptions.FontWeight = value;
+                    _settingsService.SaveTerminalOptions(_terminalOptions);
+                    RaisePropertyChanged();
+                }
+            }
+        }
+
         public double BackgroundOpacity
         {
             get => _terminalOptions.BackgroundOpacity;
@@ -114,7 +143,6 @@ namespace FluentTerminal.App.ViewModels.Settings
             get => _terminalOptions.ScrollBackLimit.ToString();
             set
             {
-                var oldValue = _terminalOptions.ScrollBackLimit;
                 if (uint.TryParse(value, out uint intValue))
                 {
                     if (intValue == uint.MinValue)
@@ -135,28 +163,15 @@ namespace FluentTerminal.App.ViewModels.Settings
             }
         }
 
-        public bool BoldText
+        public string WordSeparator
         {
-            get => _terminalOptions.BoldText;
+            get => WebViewSpecialCharEncoder.Decode(_terminalOptions.WordSeparator);
             set
             {
-                if (_terminalOptions.BoldText != value)
+                value = WebViewSpecialCharEncoder.Encode(value);
+                if (_terminalOptions.WordSeparator != value)
                 {
-                    _terminalOptions.BoldText = value;
-                    _settingsService.SaveTerminalOptions(_terminalOptions);
-                    RaisePropertyChanged();
-                }
-            }
-        }
-
-        public bool ShowTextCopied
-        {
-            get => _terminalOptions.ShowTextCopied;
-            set
-            {
-                if (_terminalOptions.ShowTextCopied != value)
-                {
-                    _terminalOptions.ShowTextCopied = value;
+                    _terminalOptions.WordSeparator = value;
                     _settingsService.SaveTerminalOptions(_terminalOptions);
                     RaisePropertyChanged();
                 }
@@ -211,9 +226,13 @@ namespace FluentTerminal.App.ViewModels.Settings
             }
         }
 
-        private async Task RestoreDefaults()
+        // Requires UI thread
+        private async Task RestoreDefaultsAsync()
         {
-            var result = await _dialogService.ShowMessageDialogAsnyc(I18N.Translate("PleaseConfirm"), I18N.Translate("ConfirmRestoreTerminalOptions"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+            var result = await _dialogService.ShowMessageDialogAsync(I18N.Translate("PleaseConfirm"),
+                    I18N.Translate("ConfirmRestoreTerminalOptions"), DialogButton.OK, DialogButton.Cancel)
+                .ConfigureAwait(true);
 
             if (result == DialogButton.OK)
             {
@@ -223,10 +242,10 @@ namespace FluentTerminal.App.ViewModels.Settings
                 ScrollBarStyle = defaults.ScrollBarStyle;
                 FontFamily = defaults.FontFamily;
                 FontSize = defaults.FontSize;
-                BoldText = defaults.BoldText;
+                FontWeight = defaults.FontWeight;
                 BackgroundOpacity = defaults.BackgroundOpacity;
                 ScrollBackLimit = defaults.ScrollBackLimit.ToString();
-                ShowTextCopied = defaults.ShowTextCopied;
+                WordSeparator = defaults.WordSeparator;
             }
         }
 
@@ -236,10 +255,10 @@ namespace FluentTerminal.App.ViewModels.Settings
             _dialogService = dialogService;
             _defaultValueProvider = defaultValueProvider;
 
-            RestoreDefaultsCommand = new RelayCommand(async () => await RestoreDefaults().ConfigureAwait(false));
+            RestoreDefaultsCommand = new RelayCommand(async () => await RestoreDefaultsAsync().ConfigureAwait(false));
 
             Fonts = systemFontService.GetSystemFontFamilies().OrderBy(s => s.Name);
-            Sizes = Enumerable.Range(1, 72);
+            Sizes = Enumerable.Range(2, 72);
 
             _terminalOptions = _settingsService.GetTerminalOptions();
         }

FluentTerminal.App.ViewModels/Settings/ThemesPageViewModel.cs

@@ -1,11 +1,14 @@
 using FluentTerminal.App.Services;
 using FluentTerminal.App.Services.Utilities;
+using FluentTerminal.App.ViewModels.Infrastructure;
 using FluentTerminal.Models;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
 using System;
 using System.Collections.ObjectModel;
 using System.Linq;
+using System.Threading.Tasks;
+using FluentTerminal.Models.Messages;
 
 namespace FluentTerminal.App.ViewModels.Settings
 {
@@ -18,30 +21,38 @@ namespace FluentTerminal.App.ViewModels.Settings
         private double _backgroundOpacity;
         private readonly IThemeParserFactory _themeParserFactory;
         private readonly IFileSystemService _fileSystemService;
+        private readonly IImageFileSystemService _imageFileSystemService;
 
         public event EventHandler<string> SelectedThemeBackgroundColorChanged;
+        public event EventHandler<ImageFile> SelectedThemeBackgroundImageChanged;
+        public event EventHandler<ThemeViewModel> SelectedThemeChanged;
 
-        public ThemesPageViewModel(ISettingsService settingsService, IDialogService dialogService, IDefaultValueProvider defaultValueProvider,
-            IThemeParserFactory themeParserFactory, IFileSystemService fileSystemService)
+        public ThemesPageViewModel(ISettingsService settingsService,
+                                   IDialogService dialogService,
+                                   IDefaultValueProvider defaultValueProvider,
+                                   IThemeParserFactory themeParserFactory,
+                                   IFileSystemService fileSystemService,
+                                   IImageFileSystemService imageFileSystemService)
         {
             _settingsService = settingsService;
             _dialogService = dialogService;
             _defaultValueProvider = defaultValueProvider;
             _themeParserFactory = themeParserFactory;
             _fileSystemService = fileSystemService;
+            _imageFileSystemService = imageFileSystemService;
 
             CreateThemeCommand = new RelayCommand(CreateTheme);
-            ImportThemeCommand = new RelayCommand(ImportTheme);
+            ImportThemeCommand = new AsyncCommand(ImportThemeAsync);
             CloneCommand = new RelayCommand<ThemeViewModel>(CloneTheme);
 
-            _settingsService.TerminalOptionsChanged += OnTerminalOptionsChanged;
+            MessengerInstance.Register<TerminalOptionsChangedMessage>(this, OnTerminalOptionsChanged);
 
             BackgroundOpacity = _settingsService.GetTerminalOptions().BackgroundOpacity;
 
             var activeThemeId = _settingsService.GetCurrentThemeId();
             foreach (var theme in _settingsService.GetThemes())
             {
-                var viewModel = new ThemeViewModel(theme, _settingsService, _dialogService, fileSystemService, false);
+                var viewModel = new ThemeViewModel(theme, _settingsService, _dialogService, _fileSystemService, _imageFileSystemService, false);
                 viewModel.Activated += OnThemeActivated;
                 viewModel.Deleted += OnThemeDeleted;
 
@@ -56,7 +67,7 @@ namespace FluentTerminal.App.ViewModels.Settings
         }
 
         public RelayCommand CreateThemeCommand { get; }
-        public RelayCommand ImportThemeCommand { get; }
+        public IAsyncCommand ImportThemeCommand { get; }
         public RelayCommand<ThemeViewModel> CloneCommand { get; set; }
 
         public double BackgroundOpacity
@@ -73,11 +84,17 @@ namespace FluentTerminal.App.ViewModels.Settings
                 if (_selectedTheme != null)
                 {
                     _selectedTheme.BackgroundChanged -= OnSelectedThemeBackgroundChanged;
+                    _selectedTheme.BackgroundImageChanged -= OnSelectedThemeBackgroundImageChanged;
                 }
+
                 Set(ref _selectedTheme, value);
+                SelectedThemeChanged?.Invoke(this, _selectedTheme);
+
                 if (value != null)
                 {
+                    _selectedTheme.BackgroundOpacity = BackgroundOpacity;
                     value.BackgroundChanged += OnSelectedThemeBackgroundChanged;
+                    value.BackgroundImageChanged += OnSelectedThemeBackgroundImageChanged;
                 }
             }
         }
@@ -110,28 +127,49 @@ namespace FluentTerminal.App.ViewModels.Settings
             AddTheme(theme);
         }
 
-        private async void ImportTheme()
+        // Requires UI thread
+        private async Task ImportThemeAsync()
         {
-            var file = await _fileSystemService.OpenFile(_themeParserFactory.SupportedFileTypes).ConfigureAwait(true);
+            // ConfigureAwait(true) because we need to execute AddTheme method in the calling (UI) thread.
+            var file = await _fileSystemService.OpenFileAsync(_themeParserFactory.SupportedFileTypes)
+                .ConfigureAwait(true);
+
             if (file != null)
             {
                 var parser = _themeParserFactory.GetParser(file.FileType);
 
                 if (parser == null)
                 {
-                    await _dialogService.ShowMessageDialogAsnyc(I18N.Translate("ImportThemeFailed"), I18N.Translate("NoSuitableParserFound"), DialogButton.OK).ConfigureAwait(false);
+                    await _dialogService.ShowMessageDialogAsync(I18N.Translate("ImportThemeFailed"),
+                        I18N.Translate("NoSuitableParserFound"), DialogButton.OK).ConfigureAwait(false);
+
                     return;
                 }
 
                 try
                 {
-                    var theme = await parser.Parse(file.Name, file.Content).ConfigureAwait(true);
+                    // ConfigureAwait(true) because we need to execute AddTheme method in the calling (UI) thread.
+                    var exportedTheme = await parser.Import(file.Name, file.Content).ConfigureAwait(true);
 
-                    AddTheme(theme);
+                    if (!string.IsNullOrWhiteSpace(exportedTheme.EncodedImage))
+                    {
+                        // ConfigureAwait(true) because we need to execute AddTheme method in the calling (UI) thread.
+                        var importedImage = await _imageFileSystemService
+                            .ImportThemeImageAsync(exportedTheme.BackgroundImage, exportedTheme.EncodedImage)
+                            .ConfigureAwait(true);
+
+                        exportedTheme.BackgroundImage = importedImage;
+                    }
+
+                    var terminalTheme = new TerminalTheme(exportedTheme);
+
+                    AddTheme(terminalTheme);
                 }
                 catch (Exception exception)
                 {
-                    await _dialogService.ShowMessageDialogAsnyc(I18N.Translate("ImportThemeFailed"), exception.Message, DialogButton.OK).ConfigureAwait(false);
+                    await _dialogService
+                        .ShowMessageDialogAsync(I18N.Translate("ImportThemeFailed"), exception.Message, DialogButton.OK)
+                        .ConfigureAwait(false);
                 }
             }
         }
@@ -140,7 +178,7 @@ namespace FluentTerminal.App.ViewModels.Settings
         {
             _settingsService.SaveTheme(theme, true);
 
-            var viewModel = new ThemeViewModel(theme, _settingsService, _dialogService, _fileSystemService, true);
+            var viewModel = new ThemeViewModel(theme, _settingsService, _dialogService, _fileSystemService, _imageFileSystemService, true);
             viewModel.EditCommand.Execute(null);
             viewModel.Activated += OnThemeActivated;
             viewModel.Deleted += OnThemeDeleted;
@@ -180,14 +218,19 @@ namespace FluentTerminal.App.ViewModels.Settings
             }
         }
 
-        private void OnTerminalOptionsChanged(object sender, TerminalOptions e)
+        private void OnTerminalOptionsChanged(TerminalOptionsChangedMessage message)
         {
-            BackgroundOpacity = e.BackgroundOpacity;
+            BackgroundOpacity = message.TerminalOptions.BackgroundOpacity;
         }
 
         private void OnSelectedThemeBackgroundChanged(object sender, string e)
         {
             SelectedThemeBackgroundColorChanged?.Invoke(this, e);
         }
+
+        private void OnSelectedThemeBackgroundImageChanged(object sender, ImageFile e)
+        {
+            SelectedThemeBackgroundImageChanged?.Invoke(this, e);
+        }
     }
 }

FluentTerminal.App.ViewModels/SettingsViewModel.cs

@@ -9,20 +9,21 @@ namespace FluentTerminal.App.ViewModels
     {
         public SettingsViewModel(ISettingsService settingsService, IDefaultValueProvider defaultValueProvider, IDialogService dialogService,
             ITrayProcessCommunicationService trayProcessCommunicationService, IThemeParserFactory themeParserFactory, ISystemFontService systemFontService,
-            IFileSystemService fileSystemService, IStartupTaskService startupTaskService, IUpdateService updateService, IApplicationView applicationView, IApplicationLanguageService applicationLanguageService)
+            IFileSystemService fileSystemService, IStartupTaskService startupTaskService, IApplicationView applicationView,
+            IApplicationLanguageService applicationLanguageService, ApplicationDataContainers containers,
+            IImageFileSystemService imageFileSystemService)
         {
-            About = new AboutPageViewModel(settingsService, updateService, applicationView);
-            KeyBindings = new KeyBindingsPageViewModel(settingsService, dialogService, defaultValueProvider, trayProcessCommunicationService);
-            General = new GeneralPageViewModel(settingsService, dialogService, defaultValueProvider, startupTaskService, applicationLanguageService);
+            KeyBindings = new KeyBindingsPageViewModel(settingsService, dialogService, trayProcessCommunicationService);
+            General = new GeneralPageViewModel(settingsService, dialogService, defaultValueProvider, startupTaskService, applicationLanguageService, trayProcessCommunicationService, fileSystemService);
             Profiles = new ProfilesPageViewModel(settingsService, dialogService, defaultValueProvider, fileSystemService, applicationView);
             Terminal = new TerminalPageViewModel(settingsService, dialogService, defaultValueProvider, systemFontService);
-            Themes = new ThemesPageViewModel(settingsService, dialogService, defaultValueProvider, themeParserFactory, fileSystemService);
+            Themes = new ThemesPageViewModel(settingsService, dialogService, defaultValueProvider, themeParserFactory, fileSystemService, imageFileSystemService);
             Mouse = new MousePageViewModel(settingsService, dialogService, defaultValueProvider);
-            SshProfiles = new SshProfilesPageViewModel(settingsService, dialogService, fileSystemService, applicationView, defaultValueProvider, trayProcessCommunicationService);
+            SshProfiles = new SshProfilesPageViewModel(settingsService, dialogService, fileSystemService,
+                applicationView, trayProcessCommunicationService, containers.HistoryContainer);
         }
 
         public event EventHandler Closed;
-        public event EventHandler AboutPageRequested;
 
         public GeneralPageViewModel General { get; }
         public KeyBindingsPageViewModel KeyBindings { get; }
@@ -30,14 +31,8 @@ namespace FluentTerminal.App.ViewModels
         public TerminalPageViewModel Terminal { get; }
         public ThemesPageViewModel Themes { get; }
         public MousePageViewModel Mouse { get; }
-        public AboutPageViewModel About { get; }
         public SshProfilesPageViewModel SshProfiles { get; }
 
-        public void NavigateToAboutPage()
-        {
-            AboutPageRequested?.Invoke(this, EventArgs.Empty);
-        }
-
         public void Close()
         {
             Closed?.Invoke(this, EventArgs.Empty);

FluentTerminal.App.ViewModels/ShellProfileViewModel.cs

@@ -1,73 +1,28 @@
 using FluentTerminal.App.Services;
 using FluentTerminal.App.Services.Utilities;
 using FluentTerminal.App.ViewModels.Infrastructure;
-using FluentTerminal.App.ViewModels.Settings;
 using FluentTerminal.Models;
-using FluentTerminal.Models.Enums;
-using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
 using System;
-using System.Collections.ObjectModel;
 using System.Linq;
 using System.Threading.Tasks;
+using FluentTerminal.App.ViewModels.Profiles;
 
 namespace FluentTerminal.App.ViewModels
 {
-    public class ShellProfileViewModel : ViewModelBase
+    /// <summary>
+    /// Extends <see cref="ProfileViewModelBase{T}"/>, and implements only "Set as default" logic.
+    /// </summary>
+    public class ShellProfileViewModel : ProfileViewModelBase<CommonProfileProviderViewModel>
     {
-        #region Static
-
-        private static readonly LineEndingStyle[] LineEndingStylesArray =
-            Enum.GetValues(typeof(LineEndingStyle)).Cast<LineEndingStyle>().ToArray();
-
-        #endregion Static
-
         #region Fields
 
-        private ShellProfile _fallbackProfile;
-
-        protected readonly IDialogService DialogService;
-        protected readonly IFileSystemService FileSystemService;
-        protected readonly ISettingsService SettingsService;
-        protected readonly IApplicationView ApplicationView;
-        protected readonly IDefaultValueProvider DefaultValueProvider;
+        private readonly IDefaultValueProvider _defaultValueProvider;
 
         #endregion Fields
 
         #region Properties
 
-        protected bool IsNew { get; set; }
-
-        public Guid Id { get; private set; }
-
-        public ShellProfile Model { get; private set; }
-
-        public bool PreInstalled { get; private set; }
-
-        private bool _useConPty;
-
-        public bool UseConPty
-        {
-            get => _useConPty;
-            set => Set(ref _useConPty, value);
-        }
-
-        private string _arguments;
-
-        public string Arguments
-        {
-            get => _arguments;
-            set => Set(ref _arguments, value);
-        }
-
-        private bool _inEditMode;
-
-        public bool InEditMode
-        {
-            get => _inEditMode;
-            set => Set(ref _inEditMode, value);
-        }
-
         private bool _isDefault;
 
         public bool IsDefault
@@ -76,368 +31,74 @@ namespace FluentTerminal.App.ViewModels
             set => Set(ref _isDefault, value);
         }
 
-        private string _location;
-
-        public string Location
-        {
-            get => _location;
-            set => Set(ref _location, value);
-        }
-
-        private string _name;
-
-        public string Name
-        {
-            get => _name;
-            set => Set(ref _name, value);
-        }
-
-        private TabTheme _selectedTabTheme;
-
-        public TabTheme SelectedTabTheme
-        {
-            get => _selectedTabTheme ?? (_selectedTabTheme = TabThemes.FirstOrDefault(t => t.Id.Equals(_tabThemeId)));
-            set
-            {
-                if (value != null && Set(ref _selectedTabTheme, value))
-                {
-                    _tabThemeId = value.Id;
-                }
-            }
-        }
-
-        private int _tabThemeId;
-
-        public int TabThemeId
-        {
-            get => _tabThemeId;
-            set
-            {
-                if (Set(ref _tabThemeId, value))
-                {
-                    SelectedTabTheme = TabThemes.FirstOrDefault(t => t.Id.Equals(value));
-                }
-            }
-        }
-
-        private TerminalTheme _selectedTerminalTheme;
-
-        public TerminalTheme SelectedTerminalTheme
-        {
-            get => _selectedTerminalTheme ??
-                   (_selectedTerminalTheme = TerminalThemes.FirstOrDefault(t => t.Id.Equals(_terminalThemeId)));
-            set
-            {
-                if (value != null && Set(ref _selectedTerminalTheme, value))
-                {
-                    _terminalThemeId = value.Id;
-                }
-            }
-        }
-
-        private Guid _terminalThemeId;
-
-        public Guid TerminalThemeId
-        {
-            get => _terminalThemeId;
-            set
-            {
-                if (Set(ref _terminalThemeId, value))
-                {
-                    SelectedTerminalTheme = TerminalThemes.FirstOrDefault(t => t.Id.Equals(value));
-                }
-            }
-        }
-
-        private string _workingDirectory;
-
-        public string WorkingDirectory
-        {
-            get => _workingDirectory;
-            set => Set(ref _workingDirectory, value);
-        }
-
-        private LineEndingStyle _lineEndingTranslation;
-
-        public LineEndingStyle LineEndingTranslation
-        {
-            get => _lineEndingTranslation;
-            set => Set(ref _lineEndingTranslation, value);
-        }
-
-        public ObservableCollection<TabTheme> TabThemes { get; }
-
-        public KeyBindingsViewModel KeyBindings { get; }
-
-        public ObservableCollection<TerminalTheme> TerminalThemes { get; }
-
-        public ObservableCollection<LineEndingStyle> LineEndingStyles { get; } =
-            new ObservableCollection<LineEndingStyle>(LineEndingStylesArray);
-
         #endregion Properties
 
         #region Events
 
-        public event EventHandler Deleted;
-
         public event EventHandler SetAsDefault;
 
         #endregion Events
 
         #region Commands
 
-        public IAsyncCommand BrowseForCustomShellCommand { get; }
-
-        public IAsyncCommand BrowseForWorkingDirectoryCommand { get; }
-
-        public IAsyncCommand CancelEditCommand { get; }
-
-        public IAsyncCommand DeleteCommand { get; }
-
-        public RelayCommand EditCommand { get; }
-
-        public IAsyncCommand SaveChangesCommand { get; }
-
         public RelayCommand SetDefaultCommand { get; }
 
         public IAsyncCommand RestoreDefaultsCommand { get; }
 
-        public IAsyncCommand AddKeyboardShortcutCommand { get; }
-
         #endregion Commands
 
         #region Constrcutor
 
         public ShellProfileViewModel(ShellProfile shellProfile, ISettingsService settingsService,
             IDialogService dialogService, IFileSystemService fileSystemService, IApplicationView applicationView,
-            IDefaultValueProvider defaultValueProvider, bool isNew)
+            IDefaultValueProvider defaultValueProvider, bool isNew) : base(shellProfile, settingsService, dialogService,
+            isNew)
         {
-            Model = shellProfile;
-            SettingsService = settingsService;
-            DialogService = dialogService;
-            FileSystemService = fileSystemService;
-            ApplicationView = applicationView;
-            DefaultValueProvider = defaultValueProvider;
-            IsNew = isNew;
+            _defaultValueProvider = defaultValueProvider;
 
-            SettingsService.ThemeAdded += OnThemeAdded;
-            SettingsService.ThemeDeleted += OnThemeDeleted;
-
-            TabThemes = new ObservableCollection<TabTheme>(settingsService.GetTabThemes());
-
-            TerminalThemes = new ObservableCollection<TerminalTheme>
-            {
-                new TerminalTheme
-                {
-                    Id = Guid.Empty,
-                    Name = "Default"
-                }
-            };
-            foreach (var theme in SettingsService.GetThemes())
-            {
-                TerminalThemes.Add(theme);
-            }
-
-            KeyBindings = new KeyBindingsViewModel(shellProfile.Id.ToString(), DialogService, string.Empty, false);
-
-            InitializeViewModelPropertiesPrivate(shellProfile);
+            ProfileVm = new CommonProfileProviderViewModel(settingsService, applicationView, fileSystemService,
+                shellProfile);
 
             SetDefaultCommand = new RelayCommand(SetDefault);
-            DeleteCommand = new AsyncCommand(Delete, CanDelete);
-            EditCommand = new RelayCommand(Edit);
-            CancelEditCommand = new AsyncCommand(CancelEdit);
-            SaveChangesCommand = new AsyncCommand(SaveChangesAsync);
-            AddKeyboardShortcutCommand = new AsyncCommand(AddKeyboardShortcut);
-            BrowseForCustomShellCommand = new AsyncCommand(BrowseForCustomShell);
-            BrowseForWorkingDirectoryCommand = new AsyncCommand(BrowseForWorkingDirectory);
-            RestoreDefaultsCommand = new AsyncCommand(RestoreDefaults);
+            RestoreDefaultsCommand = new AsyncCommand(RestoreDefaultsAsync);
         }
 
         #endregion Constrcutor
 
         #region Methods
 
-        // Loads view model properties from the input shellProfile
-        private void InitializeViewModelPropertiesPrivate(ShellProfile shellProfile)
+        // Requires UI thread
+        private async Task RestoreDefaultsAsync()
         {
-            Id = shellProfile.Id;
-            Name = shellProfile.Name;
-            Arguments = shellProfile.Arguments;
-            Location = shellProfile.Location;
-            WorkingDirectory = shellProfile.WorkingDirectory;
-            TerminalThemeId = shellProfile.TerminalThemeId;
-            TabThemeId = shellProfile.TabThemeId;
-            PreInstalled = shellProfile.PreInstalled;
-            LineEndingTranslation = shellProfile.LineEndingTranslation;
-            UseConPty = shellProfile.UseConPty;
-
-            KeyBindings.Clear();
-            foreach (var keyBinding in shellProfile.KeyBindings.Select(x => new KeyBinding(x)).ToList())
-            {
-                KeyBindings.Add(keyBinding);
-            }
-        }
-
-        // Loads view model properties from the input shellProfile
-        protected virtual void InitializeViewModelProperties(ShellProfile shellProfile) =>
-            InitializeViewModelPropertiesPrivate(shellProfile);
-
-        // Fills the input profile properties the view model properties. (Inverse of InitializeViewModelProperties()).
-        protected virtual Task FillProfileAsync(ShellProfile profile)
-        {
-            profile.Id = Id;
-            profile.Name = Name;
-            profile.Arguments = Arguments;
-            profile.Location = Location;
-            profile.WorkingDirectory = WorkingDirectory;
-            profile.TerminalThemeId = TerminalThemeId;
-            profile.TabThemeId = TabThemeId;
-            profile.PreInstalled = PreInstalled;
-            profile.LineEndingTranslation = LineEndingTranslation;
-            profile.UseConPty = UseConPty;
-            profile.KeyBindings = KeyBindings.KeyBindings.Select(x => x.Model).ToList();
-
-            return Task.CompletedTask;
-        }
-
-        // Used to "remember" the current state.
-        protected virtual async Task<ShellProfile> CreateProfileAsync()
-        {
-            var profile = new ShellProfile();
-
-            await FillProfileAsync(profile);
-
-            return profile;
-        }
-
-        private void OnThemeAdded(object sender, TerminalTheme e)
-        {
-            ApplicationView.RunOnDispatcherThread(() =>
-            {
-                TerminalThemes.Add(e);
-            });
-        }
-
-        private void OnThemeDeleted(object sender, Guid e)
-        {
-            if (SelectedTerminalTheme.Id == e)
-            {
-                ApplicationView.RunOnDispatcherThread(() =>
-                {
-                    SelectedTerminalTheme = TerminalThemes.FirstOrDefault(x => x.Id == Guid.Empty);
-                    Model.TerminalThemeId = Guid.Empty;
-                    if (_fallbackProfile != null)
-                    {
-                        _fallbackProfile.TerminalThemeId = Guid.Empty;
-                    }
-                });
-            }
-        }
-
-        public virtual async Task SaveChangesAsync()
-        {
-            await FillProfileAsync(Model);
-
-            SettingsService.SaveShellProfile(Model);
-
-            KeyBindings.Editable = false;
-            InEditMode = false;
-            IsNew = false;
-        }
-
-        private async Task RestoreDefaults()
-        {
-            if (InEditMode || !PreInstalled)
+            if (InEditMode || !ProfileVm.PreInstalled)
             {
                 throw new InvalidOperationException();
             }
 
-            var result = await DialogService.ShowMessageDialogAsnyc(I18N.Translate("PleaseConfirm"),
+            // ConfigureAwait(true) because we need to execute Initialize method in the calling (UI) thread.
+            var result = await DialogService.ShowMessageDialogAsync(I18N.Translate("PleaseConfirm"),
                 I18N.Translate("ConfirmRestoreProfile"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
 
             if (result == DialogButton.OK)
             {
-                Model = DefaultValueProvider.GetPreinstalledShellProfiles().FirstOrDefault(x => x.Id == Model.Id);
-                InitializeViewModelProperties(Model);
-                SettingsService.SaveShellProfile(Model);
-            }
-        }
+                var profile = _defaultValueProvider.GetPreinstalledShellProfiles().FirstOrDefault(x => x.Id.Equals(Id));
 
-        public Task AddKeyboardShortcut()
-        {
-            return KeyBindings.ShowAddKeyBindingDialog();
-        }
-
-        private async Task BrowseForCustomShell()
-        {
-            var file = await FileSystemService.OpenFile(new[] { ".exe" }).ConfigureAwait(true);
-            if (file != null)
-            {
-                Location = file.Path;
-            }
-        }
-
-        private async Task BrowseForWorkingDirectory()
-        {
-            var directory = await FileSystemService.BrowseForDirectory().ConfigureAwait(true);
-            if (directory != null)
-            {
-                WorkingDirectory = directory;
-            }
-        }
-
-        private async Task CancelEdit()
-        {
-            if (IsNew)
-            {
-                await Delete();
-            }
-            else
-            {
-                ShellProfile changedProfile = await CreateProfileAsync();
-
-                if (!_fallbackProfile.EqualTo(changedProfile))
+                if (profile == null)
                 {
-                    var result = await DialogService.ShowMessageDialogAsnyc(I18N.Translate("PleaseConfirm"), I18N.Translate("ConfirmDiscardChanges"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
-
-                    if (result == DialogButton.OK)
-                    {
-                        // Cancelled, so rollback
-                        InitializeViewModelProperties(_fallbackProfile);
-
-                        KeyBindings.Editable = false;
-                        InEditMode = false;
-                    }
-                }
-                else
-                {
-                    KeyBindings.Editable = false;
-                    InEditMode = false;
+                    // Should not happen ever, but...
+                    return;
                 }
+
+                ProfileVm.Model = profile;
+                Initialize(profile);
+
+                SettingsService.SaveShellProfile(profile);
             }
         }
 
-        private bool CanDelete()
+        protected override bool CanDelete()
         {
-            return !Model.PreInstalled;
-        }
-
-        private async Task Delete()
-        {
-            var result = await DialogService.ShowMessageDialogAsnyc(I18N.Translate("PleaseConfirm"), I18N.Translate("ConfirmDeleteProfile"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
-
-            if (result == DialogButton.OK)
-            {
-                Deleted?.Invoke(this, EventArgs.Empty);
-            }
-        }
-
-        private void Edit()
-        {
-            _fallbackProfile = Model.Clone();
-
-            KeyBindings.Editable = true;
-            InEditMode = true;
+            return !ProfileVm.PreInstalled;
         }
 
         private void SetDefault()

FluentTerminal.App.ViewModels/SshProfileViewModel.cs

@@ -1,275 +1,34 @@
 using FluentTerminal.App.Services;
-using FluentTerminal.App.Services.Utilities;
-using FluentTerminal.App.ViewModels.Infrastructure;
+using FluentTerminal.App.ViewModels.Profiles;
 using FluentTerminal.Models;
-using FluentTerminal.Models.Enums;
-using System;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace FluentTerminal.App.ViewModels
 {
-    public class SshProfileViewModel : ShellProfileViewModel, ISshConnectionInfo
-    {
-        #region Fields
-
-        private readonly ITrayProcessCommunicationService _trayProcessCommunicationService;
-
-        // To prevent validating the existence of the same file multiple times because it's kinda expensive
-        private string _validatedIdentityFile;
-
-        #endregion Fields
-
-        #region Properties
-
-        private string _host;
-
-        public string Host
-        {
-            get => _host;
-            set => Set(ref _host, value);
-        }
-
-        private ushort _sshPort;
-        
-        public ushort SshPort
-        {
-            get => _sshPort;
-            set => Set(ref _sshPort, value);
-        }
-
-        private string _username;
-
-        public string Username
-        {
-            get => _username;
-            set => Set(ref _username, value);
-        }
-
-        private string _identityFile;
-
-        public string IdentityFile
-        {
-            get => _identityFile;
-            set => Set(ref _identityFile, value);
-        }
-
-        private bool _useMosh;
-
-        public bool UseMosh
-        {
-            get => _useMosh;
-            set => Set(ref _useMosh, value);
-        }
-
-        private ushort _moshPortFrom;
-
-        public ushort MoshPortFrom
-        {
-            get => _moshPortFrom;
-            set => Set(ref _moshPortFrom, value);
-        }
-
-        private ushort _moshPortTo;
-
-        public ushort MoshPortTo
-        {
-            get => _moshPortTo;
-            set => Set(ref _moshPortTo, value);
-        }
-
-        #endregion Properties
-
-        #region Commands
-
-        public IAsyncCommand BrowseForIdentityFileCommand { get; }
-
-        #endregion Commands
-
+    /// <summary>
+    /// Extends <see cref="ProfileViewModelBase{T}"/>, and doesn't implement any additional logic because in
+    /// case of SSH profiles no additional logic is needed.
+    /// </summary>
+    public class SshProfileViewModel : ProfileViewModelBase<SshConnectViewModel>
+    {
         #region Constructor
 
         public SshProfileViewModel(SshProfile sshProfile, ISettingsService settingsService,
             IDialogService dialogService, IFileSystemService fileSystemService, IApplicationView applicationView,
-            IDefaultValueProvider defaultValueProvider,
-            ITrayProcessCommunicationService trayProcessCommunicationService, bool isNew) : base(
-            sshProfile ?? new SshProfile(), settingsService, dialogService, fileSystemService, applicationView,
-            defaultValueProvider, isNew)
+            ITrayProcessCommunicationService trayProcessCommunicationService,
+            IApplicationDataContainer historyContainer, bool isNew) : base(sshProfile, settingsService, dialogService,
+            isNew)
         {
-            _trayProcessCommunicationService = trayProcessCommunicationService;
-
-            InitializeViewModelPropertiesPrivate(sshProfile ?? new SshProfile());
-
-            BrowseForIdentityFileCommand = new AsyncCommand(BrowseForIdentityFile);
+            ProfileVm = new SshConnectViewModel(settingsService, applicationView, trayProcessCommunicationService,
+                fileSystemService, sshProfile);
         }
 
         #endregion Constructor
 
         #region Methods
-
-        // Fills the remaining view model properties (those which aren't filled by the base method) from the input sshProfile
-        private void InitializeViewModelPropertiesPrivate(SshProfile sshProfile)
+
+        protected override bool CanDelete()
         {
-            Host = sshProfile.Host;
-            SshPort = sshProfile.SshPort;
-
-            Username = sshProfile.Username;
-
-            if (string.IsNullOrEmpty(Username))
-            {
-                _trayProcessCommunicationService.GetUserName().ContinueWith(t =>
-                {
-                    var username = t.Result;
-
-                    if (string.IsNullOrEmpty(Username) && !string.IsNullOrEmpty(username))
-                    {
-                        ApplicationView.RunOnDispatcherThread(() => Username = username);
-                    }
-                }, TaskContinuationOptions.OnlyOnRanToCompletion);
-            }
-
-            IdentityFile = sshProfile.IdentityFile;
-            UseMosh = sshProfile.UseMosh;
-            MoshPortFrom = sshProfile.MoshPortFrom;
-            MoshPortTo = sshProfile.MoshPortTo;
-        }
-
-        protected override void InitializeViewModelProperties(ShellProfile sshProfile)
-        {
-            base.InitializeViewModelProperties(sshProfile);
-
-            InitializeViewModelPropertiesPrivate((SshProfile)sshProfile);
-        }
-
-        protected override async Task FillProfileAsync(ShellProfile profile)
-        {
-            await base.FillProfileAsync(profile);
-
-            profile.Location = _useMosh ? ShellLocation.Mosh : ShellLocation.SSH;
-            profile.Arguments = GetArgumentsString();
-            profile.WorkingDirectory = null;
-
-            var sshProfile = (SshProfile)profile;
-
-            sshProfile.Host = Host;
-            sshProfile.SshPort = SshPort;
-            sshProfile.Username = Username;
-            sshProfile.IdentityFile = IdentityFile;
-            sshProfile.UseMosh = UseMosh;
-            sshProfile.MoshPortFrom = MoshPortFrom;
-            sshProfile.MoshPortTo = MoshPortTo;
-        }
-
-        public virtual Task AcceptChangesAsync() => FillProfileAsync(Model);
-
-        protected override async Task<ShellProfile> CreateProfileAsync()
-        {
-            var profile = new SshProfile();
-
-            await FillProfileAsync(profile);
-
-            return profile;
-        }
-
-        private string GetArgumentsString()
-        {
-            StringBuilder sb = new StringBuilder();
-
-
-            if (_sshPort != SshProfile.DefaultSshPort)
-                sb.Append($"-p {_sshPort:#####} ");
-
-            if (!string.IsNullOrEmpty(_identityFile))
-                sb.Append($"-i \"{_identityFile}\" ");
-
-            sb.Append($"{_username}@{_host}");
-
-            if (_useMosh)
-                sb.Append($" {_moshPortFrom}:{_moshPortTo}");
-
-            return sb.ToString();
-        }
-
-        public override async Task SaveChangesAsync()
-        {
-            var result = await ValidateAsync();
-
-            if (result != SshConnectionInfoValidationResult.Valid)
-            {
-                await DialogService.ShowMessageDialogAsnyc(I18N.Translate("InvalidInput"),
-                    result.GetErrorString(Environment.NewLine), DialogButton.OK);
-
-                return;
-            }
-
-            await AcceptChangesAsync();
-
-            SettingsService.SaveSshProfile((SshProfile) Model, IsNew);
-
-            KeyBindings.Editable = false;
-            InEditMode = false;
-            IsNew = false;
-        }
-
-        private async Task BrowseForIdentityFile()
-        {
-            var file = await FileSystemService.OpenFile(new[] { "*" }).ConfigureAwait(true);
-            if (file != null)
-            {
-                IdentityFile = file.Path;
-            }
-        }
-
-        public async Task<SshConnectionInfoValidationResult> ValidateAsync()
-        {
-            var result = this.GetValidationResult();
-
-            var identityFile = _identityFile;
-
-            if (!string.IsNullOrEmpty(identityFile) && !string.Equals(identityFile, _validatedIdentityFile,
-                    StringComparison.OrdinalIgnoreCase))
-            {
-                // Here we need to take into account that files from ssh config dir can be provided by name, without full path.
-                string fullPath;
-
-                if (identityFile.Contains(Path.PathSeparator))
-                {
-                    fullPath = identityFile;
-                }
-                else
-                {
-                    var sshConfigDir = await _trayProcessCommunicationService.GetSshConfigDirAsync();
-
-                    if (string.IsNullOrEmpty(sshConfigDir))
-                    {
-                        result |= SshConnectionInfoValidationResult.IdentityFileDoesNotExist;
-
-                        return result;
-                    }
-
-                    fullPath = Path.Combine(sshConfigDir, identityFile);
-                }
-
-                if (await _trayProcessCommunicationService.CheckFileExistsAsync(fullPath))
-                {
-                    _validatedIdentityFile = identityFile;
-
-                    IdentityFile = fullPath;
-                }
-                else
-                {
-                    result |= SshConnectionInfoValidationResult.IdentityFileDoesNotExist;
-                }
-            }
-
-            return result;
-        }
-
-        public void SetValidatedIdentityFile(string identityFile)
-        {
-            _validatedIdentityFile = identityFile;
-            IdentityFile = identityFile;
+            return true;
         }
 
         #endregion Methods

FluentTerminal.App.ViewModels/TabThemeViewModel.cs

@@ -0,0 +1,31 @@
+using FluentTerminal.Models;
+using GalaSoft.MvvmLight;
+
+namespace FluentTerminal.App.ViewModels
+{
+    public class TabThemeViewModel : ViewModelBase
+    {
+        private bool _isSelected;
+
+        public TabThemeViewModel(TabTheme theme, TerminalViewModel terminal)
+        {
+            Theme = theme;
+            Terminal = terminal;
+        }
+
+        public bool IsSelected
+        {
+            get => _isSelected;
+            set
+            {
+                if (Set(ref _isSelected, value) && value)
+                {
+                    Terminal.TabTheme = this;
+                }
+            }
+        }
+
+        public TabTheme Theme { get; }
+        public TerminalViewModel Terminal { get; }
+    }
+}

FluentTerminal.App.ViewModels/TerminalViewModel.cs

@@ -5,12 +5,19 @@ using FluentTerminal.Models;
 using FluentTerminal.Models.Enums;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
+using Newtonsoft.Json;
 using System;
 using System.Collections.ObjectModel;
 using System.Linq;
-using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
+using Windows.UI.Core;
+using FluentTerminal.Models.Messages;
+using System.Windows.Input;
+using FluentTerminal.App.ViewModels.Menu;
+using Windows.UI.Xaml.Data;
+using Windows.UI.Xaml;
+using System.Collections.Generic;
 
 namespace FluentTerminal.App.ViewModels
 {
@@ -22,28 +29,105 @@ namespace FluentTerminal.App.ViewModels
 
         #endregion Static
 
+        #region Serialize terminal state
+
+        private class TerminalState
+        {
+            public bool HasCustomTitle { get; set; }
+            public string ShellTitle { get; set; }
+            public string TabTitle { get; set; }
+            public TerminalTheme TerminalTheme { get; set; }
+            public int TabThemeId { get; set; }
+            public bool ShowSearchPanel { get; set; }
+            public string SearchText { get; set; }
+            public bool SearchMatchCase { get; set; }
+            public bool SearchWholeWord { get; set; }
+            public bool SearchWithRegex { get; set; }
+            public string XtermBufferState { get; set; }
+            public byte TerminalId { get; set; }
+            public ShellProfile ShellProfile { get; set; }
+        }
+
+        public async Task<string> SerializeAsync()
+        {
+            TerminalState state = new TerminalState
+            {
+                HasCustomTitle = _hasCustomTitle,
+                ShellTitle = ShellTitle,
+                TabTitle = TabTitle,
+                TerminalTheme = TerminalTheme,
+                TabThemeId = TabTheme.Theme.Id,
+                ShowSearchPanel = ShowSearchPanel,
+                SearchText = SearchText,
+                SearchMatchCase = SearchMatchCase,
+                SearchWholeWord = SearchWholeWord,
+                SearchWithRegex = SearchWithRegex,
+                XtermBufferState = await SerializeXtermStateAsync().ConfigureAwait(false),
+                TerminalId = Terminal.Id,
+                ShellProfile = ShellProfile
+            };
+
+            return JsonConvert.SerializeObject(state);
+        }
+
+        public void Restore(string data)
+        {
+            TerminalState state = JsonConvert.DeserializeObject<TerminalState>(data);
+            if (state != null)
+            {
+                _hasCustomTitle = state.HasCustomTitle;
+                ShellTitle = state.ShellTitle;
+                TabTitle = state.TabTitle;
+                TerminalTheme = state.TerminalTheme;
+                TabTheme = TabThemes.FirstOrDefault(t => t.Theme.Id == state.TabThemeId);
+                ShowSearchPanel = state.ShowSearchPanel;
+                SearchText = state.SearchText;
+                SearchMatchCase = state.SearchMatchCase;
+                SearchWholeWord = state.SearchWholeWord;
+                SearchWithRegex = state.SearchWithRegex;
+                XtermBufferState = state.XtermBufferState;
+                _terminalId = state.TerminalId;
+                ShellProfile = state.ShellProfile;
+
+                TabTheme.IsSelected = true;
+            }
+        }
+
+        #endregion Serialize terminal state
+
         private readonly IKeyboardCommandService _keyboardCommandService;
         private bool _isSelected;
+        private bool _isHovered;
         private bool _hasNewOutput;
         private bool _hasExitedWithError;
         private string _searchText;
         private bool _showSearchPanel;
-        private TabTheme _tabTheme;
+        private bool _searchMatchCase;
+        private bool _searchWholeWord;
+        private bool _searchWithRegex;
+        private TabThemeViewModel _tabTheme;
         private TerminalTheme _terminalTheme;
         private TerminalOptions _terminalOptions;
         private string _tabTitle;
         private string _shellTitle;
         private bool _hasCustomTitle;
+        private byte? _terminalId;
+        private bool _hasSelection;
+        private string _hoveredUri;
+        private MenuViewModel _contextMenu;
+        private MenuViewModel _tabContextMenu;
+        private readonly TabThemeViewModel _transparentTabThemeViewModel;
 
         public TerminalViewModel(ISettingsService settingsService, ITrayProcessCommunicationService trayProcessCommunicationService, IDialogService dialogService,
             IKeyboardCommandService keyboardCommandService, ApplicationSettings applicationSettings, ShellProfile shellProfile,
-            IApplicationView applicationView, IDispatcherTimer dispatcherTimer, IClipboardService clipboardService)
+            IApplicationView applicationView, IClipboardService clipboardService, string terminalState = null)
         {
+            MessengerInstance.Register<ApplicationSettingsChangedMessage>(this, OnApplicationSettingsChanged);
+            MessengerInstance.Register<CurrentThemeChangedMessage>(this, OnCurrentThemeChanged);
+            MessengerInstance.Register<TerminalOptionsChangedMessage>(this, OnTerminalOptionsChanged);
+            MessengerInstance.Register<KeyBindingsChangedMessage>(this, OnKeyBindingsChanged);
+
             SettingsService = settingsService;
-            SettingsService.CurrentThemeChanged += OnCurrentThemeChanged;
-            SettingsService.TerminalOptionsChanged += OnTerminalOptionsChanged;
-            SettingsService.ApplicationSettingsChanged += OnApplicationSettingsChanged;
-            SettingsService.KeyBindingsChanged += OnKeyBindingsChanged;
 
             _terminalOptions = SettingsService.GetTerminalOptions();
 
@@ -58,17 +142,35 @@ namespace FluentTerminal.App.ViewModels
             ShellProfile = shellProfile;
             TerminalTheme = shellProfile.TerminalThemeId == Guid.Empty ? SettingsService.GetCurrentTheme() : SettingsService.GetTheme(shellProfile.TerminalThemeId);
 
-            TabThemes = new ObservableCollection<TabTheme>(SettingsService.GetTabThemes());
-            TabTheme = TabThemes.FirstOrDefault(t => t.Id == ShellProfile.TabThemeId);
+            TabThemes = new ObservableCollection<TabThemeViewModel>(SettingsService.GetTabThemes().Select(theme => new TabThemeViewModel(theme, this)));
+            CloseCommand = new AsyncCommand(TryCloseAsync, CanExecuteCommand);
+            CloseLeftTabsCommand = new RelayCommand(CloseLeftTabs, CanExecuteCommand);
+            CloseRightTabsCommand = new RelayCommand(CloseRightTabs, CanExecuteCommand);
+            CloseOtherTabsCommand = new RelayCommand(CloseOtherTabs, CanExecuteCommand);
+            FindNextCommand = new RelayCommand(FindNext, CanExecuteCommand);
+            FindPreviousCommand = new RelayCommand(FindPrevious, CanExecuteCommand);
+            CloseSearchPanelCommand = new RelayCommand(CloseSearchPanel, CanExecuteCommand);
+            EditTitleCommand = new AsyncCommand(EditTitleAsync, CanExecuteCommand);
+            DuplicateTabCommand = new RelayCommand(DuplicateTab, CanExecuteCommand);
+            ReconnectTabCommand = new AsyncCommand(ReconnectTabAsync, () => CanExecuteCommand() && HasExitedWithError);
+            CopyCommand = new AsyncCommand(Copy, () => HasSelection);
+            PasteCommand = new AsyncCommand(Paste);
+            CopyLinkCommand = new AsyncCommand(() => CopyTextAsync(HoveredUri), () => !string.IsNullOrWhiteSpace(HoveredUri));
+            ShowSearchPanelCommand = new RelayCommand(() => ShowSearchPanel = true, () => !ShowSearchPanel);
 
-            CloseCommand = new RelayCommand(async () => await TryClose().ConfigureAwait(false));
-            FindNextCommand = new RelayCommand(FindNext);
-            FindPreviousCommand = new RelayCommand(FindPrevious);
-            CloseSearchPanelCommand = new RelayCommand(CloseSearchPanel);
-            SelectTabThemeCommand = new RelayCommand<string>(SelectTabTheme);
-            EditTitleCommand = new AsyncCommand(EditTitle);
+            if (!string.IsNullOrEmpty(terminalState))
+            {
+                Restore(terminalState);
+            }
+            else
+            {
+                var defaultTabTheme = TabThemes.FirstOrDefault(t => t.Theme.Id == ShellProfile.TabThemeId);
+                defaultTabTheme.IsSelected = true;
+            }
 
-            Terminal = new Terminal(TrayProcessCommunicationService);
+            _transparentTabThemeViewModel = TabThemes.FirstOrDefault(t => t.Theme.Id == 0);
+
+            Terminal = new Terminal(TrayProcessCommunicationService, _terminalId);
             Terminal.KeyboardCommandReceived += Terminal_KeyboardCommandReceived;
             Terminal.OutputReceived += Terminal_OutputReceived;
             Terminal.SizeChanged += Terminal_SizeChanged;
@@ -76,37 +178,69 @@ namespace FluentTerminal.App.ViewModels
             Terminal.Exited += Terminal_Exited;
             Terminal.Closed += Terminal_Closed;
 
-            Overlay = new OverlayViewModel(dispatcherTimer);
+            ContextMenu = BuidContextMenu();
+            TabContextMenu = BuildTabContextMenu();
+        }
 
+        public MenuViewModel ContextMenu
+        {
+            get => _contextMenu;
+            set => Set(ref _contextMenu, value);
+        }
+
+        public MenuViewModel TabContextMenu
+        {
+            get => _tabContextMenu;
+            set => Set(ref _tabContextMenu, value);
+        }
+
+        private bool _disposalRequested;
+
+        public void DisposalPrepare()
+        {
+            _disposalRequested = true;
+            CloseCommand = null;
+            TerminalView.DisposalPrepare();
+            TerminalView = null;
+            Terminal = null;
+            Overlay = null;
         }
 
         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<SearchRequest> FindNextRequested;
+        public event EventHandler<SearchRequest> FindPreviousRequested;
         public event EventHandler SearchStarted;
         public event EventHandler<TerminalTheme> ThemeChanged;
-        public event EventHandler<string> ShellTitleChanged;
-        public event EventHandler<string> CustomTitleChanged;
+        public event EventHandler CloseLeftTabsRequested;
+        public event EventHandler CloseRightTabsRequested;
+        public event EventHandler CloseOtherTabsRequested;
+        public event EventHandler DuplicateTabRequested;
 
         public ApplicationSettings ApplicationSettings { get; private set; }
 
         public IApplicationView ApplicationView { get; }
 
-        public TabTheme BackgroundTabTheme
+        public TabThemeViewModel 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);
+                TabTheme :
+                _transparentTabThemeViewModel;
         }
 
         public IClipboardService ClipboardService { get; }
 
-        public RelayCommand CloseCommand { get; }
+        public string XtermBufferState { get; private set; }
+
+        public AsyncCommand CloseCommand { get; private set; }
+
+        public RelayCommand CloseRightTabsCommand { get; }
+
+        public RelayCommand CloseLeftTabsCommand { get; }
+
+        public RelayCommand CloseOtherTabsCommand { get; }
 
         public RelayCommand CloseSearchPanelCommand { get; }
 
@@ -118,6 +252,20 @@ namespace FluentTerminal.App.ViewModels
 
         public RelayCommand FindPreviousCommand { get; }
 
+        public RelayCommand DuplicateTabCommand { get; }
+
+        public AsyncCommand ReconnectTabCommand { get; }
+
+        public ICommand CopyLinkCommand { get; private set; }
+
+        public ICommand CopyCommand { get; private set; }
+
+        public ICommand PasteCommand { get; private set; }
+
+        public ICommand ShowSearchPanelCommand { get; private set; }
+
+        public double BackgroundOpacity => _terminalOptions?.BackgroundOpacity ?? 1.0;
+
         public bool IsSelected
         {
             get => _isSelected;
@@ -127,16 +275,57 @@ namespace FluentTerminal.App.ViewModels
                 {
                     if (IsSelected)
                     {
+                        _keyboardCommandService.RegisterCommandHandler(nameof(Command.Search), () => ShowSearchPanel = !ShowSearchPanel);
                         HasNewOutput = false;
                     }
+                    else
+                    {
+                        _keyboardCommandService.DeregisterCommandHandler(nameof(Command.Search));
+                    }
                     RaisePropertyChanged(nameof(IsUnderlined));
                     RaisePropertyChanged(nameof(BackgroundTabTheme));
+                    RaisePropertyChanged(nameof(ShowCloseButton));
                 }
             }
         }
 
+        public bool HasSelection
+        {
+            get => _hasSelection;
+            set => Set(ref _hasSelection, value);
+        }
+
+        public string HoveredUri
+        {
+            get => _hoveredUri;
+            set
+            {
+                if (Set(ref _hoveredUri, value))
+                {
+                    ContextMenu = BuidContextMenu();
+                }
+            }
+        }
+
+        public bool IsHovered
+        {
+            get => _isHovered;
+            set
+            {
+                if (Set(ref _isHovered, value))
+                {
+                    RaisePropertyChanged(nameof(ShowCloseButton));
+                }
+            }
+        }
+
+        public bool ShowCloseButton
+        {
+            get => IsHovered || IsSelected;
+        }
+
         public bool IsUnderlined => (IsSelected && ApplicationSettings.UnderlineSelectedTab) ||
-            (!IsSelected && ApplicationSettings.InactiveTabColorMode == InactiveTabColorMode.Underlined && TabTheme.Color != null);
+            (!IsSelected && ApplicationSettings.InactiveTabColorMode == InactiveTabColorMode.Underlined && TabTheme.Theme.Color != null);
 
         public bool HasNewOutput
         {
@@ -153,6 +342,7 @@ namespace FluentTerminal.App.ViewModels
                 {
                     HasNewOutput = false;
                 }
+                ReconnectTabCommand.RaiseCanExecuteChanged();
             }
         }
 
@@ -162,11 +352,27 @@ namespace FluentTerminal.App.ViewModels
             set => Set(ref _searchText, value);
         }
 
-        public RelayCommand<string> SelectTabThemeCommand { get; }
+        public bool SearchMatchCase
+        {
+            get => _searchMatchCase;
+            set => Set(ref _searchMatchCase, value);
+        }
+
+        public bool SearchWholeWord
+        {
+            get => _searchWholeWord;
+            set => Set(ref _searchWholeWord, value);
+        }
+
+        public bool SearchWithRegex
+        {
+            get => _searchWithRegex;
+            set => Set(ref _searchWithRegex, value);
+        }
 
         public ISettingsService SettingsService { get; }
 
-        public ShellProfile ShellProfile { get; }
+        public ShellProfile ShellProfile { get; private set; }
 
         public bool ShowSearchPanel
         {
@@ -174,7 +380,7 @@ namespace FluentTerminal.App.ViewModels
             set => Set(ref _showSearchPanel, value);
         }
 
-        public TabTheme TabTheme
+        public TabThemeViewModel TabTheme
         {
             get => _tabTheme;
             set
@@ -185,11 +391,11 @@ namespace FluentTerminal.App.ViewModels
             }
         }
 
-        public ObservableCollection<TabTheme> TabThemes { get; }
+        public ObservableCollection<TabThemeViewModel> TabThemes { get; }
 
         public Terminal Terminal { get; private set; }
 
-        public OverlayViewModel Overlay { get; private set; }
+        public OverlayViewModel Overlay { get; set; }
 
         public TerminalTheme TerminalTheme
         {
@@ -197,6 +403,8 @@ namespace FluentTerminal.App.ViewModels
             set => Set(ref _terminalTheme, value);
         }
 
+        public bool Initialized { get; set; }
+
         public string TabTitle
         {
             get => _tabTitle;
@@ -223,10 +431,7 @@ namespace FluentTerminal.App.ViewModels
                     }
                 }
 
-                if (Set(ref _tabTitle, title))
-                {
-                    CustomTitleChanged?.Invoke(this, title);
-                }
+                Set(ref _tabTitle, title);
             }
         }
 
@@ -244,23 +449,32 @@ namespace FluentTerminal.App.ViewModels
 
         public ITrayProcessCommunicationService TrayProcessCommunicationService { get; }
 
-        public Task Close()
+        public Task CloseAsync()
         {
-            SettingsService.CurrentThemeChanged -= OnCurrentThemeChanged;
-            SettingsService.TerminalOptionsChanged -= OnTerminalOptionsChanged;
-            SettingsService.ApplicationSettingsChanged -= OnApplicationSettingsChanged;
-            SettingsService.KeyBindingsChanged -= OnKeyBindingsChanged;
-            return Terminal.Close();
+            MessengerInstance.Unregister(this);
+
+            return Terminal.CloseAsync();
         }
 
-        public void CopyText(string text)
+        public Task CopyTextAsync(string text)
         {
-            ClipboardService.SetText(text);
+            return ApplicationView.ExecuteOnUiThreadAsync(() =>
+            {
+                ClipboardService.SetText(text);
+
+                if (ApplicationSettings.ShowTextCopied)
+                {
+                    Overlay.Show(I18N.Translate("TextCopied"));
+                }
+            });
         }
 
-        public async Task EditTitle()
+        // Requires UI thread
+        public async Task EditTitleAsync()
         {
-            var result = await DialogService.ShowInputDialogAsync(I18N.Translate("EditTitleString"));
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+            var result = await DialogService.ShowInputDialogAsync(I18N.Translate("EditTitleString"))
+                .ConfigureAwait(true);
             if (result != null)
             {
                 if (string.IsNullOrWhiteSpace(result))
@@ -288,64 +502,129 @@ namespace FluentTerminal.App.ViewModels
             FocusTerminal();
         }
 
+        private bool CanExecuteCommand<T>(T a)
+        {
+            return CanExecuteCommand();
+        }
+
+        private bool CanExecuteCommand()
+        {
+            return Initialized && !_disposalRequested;
+        }
+
+        private void CloseLeftTabs()
+        {
+            CloseLeftTabsRequested?.Invoke(this, EventArgs.Empty);
+        }
+
+        private void CloseRightTabs()
+        {
+            CloseRightTabsRequested?.Invoke(this, EventArgs.Empty);
+        }
+
+        private void CloseOtherTabs()
+        {
+            CloseOtherTabsRequested?.Invoke(this, EventArgs.Empty);
+        }
+
         private void FindNext()
         {
-            FindNextRequested?.Invoke(this, SearchText);
+            FindNextRequested?.Invoke(this, new SearchRequest { MatchCase = SearchMatchCase, Regex = SearchWithRegex, Term = SearchText, WholeWord = SearchWholeWord });
+        }
+
+        public ITerminalView TerminalView { get; set; }
+
+        private Task<string> SerializeXtermStateAsync()
+        {
+            return TerminalView?.SerializeXtermStateAsync() ?? Task.FromResult(string.Empty);
         }
 
         private void FindPrevious()
         {
-            FindPreviousRequested?.Invoke(this, SearchText);
+            FindPreviousRequested?.Invoke(this, new SearchRequest { MatchCase = SearchMatchCase, Regex = SearchWithRegex, Term = SearchText, WholeWord = SearchWholeWord });
         }
 
-        private async void OnApplicationSettingsChanged(object sender, ApplicationSettings e)
+        private void DuplicateTab()
         {
-            await ApplicationView.RunOnDispatcherThread(() =>
+            DuplicateTabRequested?.Invoke(this, EventArgs.Empty);
+        }
+
+        public async Task ReconnectTabAsync()
+        {
+            HasExitedWithError = false;
+            await TerminalView?.ReconnectAsync();
+        }
+
+        private void OnApplicationSettingsChanged(ApplicationSettingsChangedMessage message)
+        {
+            ApplicationSettings = message.ApplicationSettings;
+
+            ApplicationView.ExecuteOnUiThreadAsync(() =>
             {
-                ApplicationSettings = e;
                 RaisePropertyChanged(nameof(IsUnderlined));
                 RaisePropertyChanged(nameof(BackgroundTabTheme));
             });
         }
 
-        private async void OnCurrentThemeChanged(object sender, Guid e)
+        private void OnCurrentThemeChanged(CurrentThemeChangedMessage message)
         {
-            await ApplicationView.RunOnDispatcherThread(() =>
+            // only change theme if not overwritten by profile
+            if (ShellProfile.TerminalThemeId == Guid.Empty)
             {
-                // only change theme if not overwritten by profile
-                if (ShellProfile.TerminalThemeId == Guid.Empty)
+                var currentTheme = SettingsService.GetTheme(message.ThemeId);
+
+                ApplicationView.ExecuteOnUiThreadAsync(() =>
                 {
-                    var currentTheme = SettingsService.GetTheme(e);
                     TerminalTheme = currentTheme;
                     ThemeChanged?.Invoke(this, currentTheme);
+                });
+            }
+        }
+
+        private void OnTerminalOptionsChanged(TerminalOptionsChangedMessage message)
+        {
+            _terminalOptions = message.TerminalOptions;
+            ApplicationView.ExecuteOnUiThreadAsync(() => RaisePropertyChanged(nameof(BackgroundOpacity)), CoreDispatcherPriority.Low);
+        }
+
+        private void OnKeyBindingsChanged(KeyBindingsChangedMessage message)
+        {
+            ApplicationView.ExecuteOnUiThreadAsync(() =>
+            {
+                var contextMenu = BuidContextMenu();
+                if (!contextMenu.EquivalentTo(ContextMenu))
+                {
+                    ContextMenu = contextMenu;
                 }
-            });
-        }
 
-        private async void OnKeyBindingsChanged(object sender, EventArgs e)
-        {
-            await ApplicationView.RunOnDispatcherThread(() => KeyBindingsChanged?.Invoke(this, EventArgs.Empty));
-        }
+                var tabContextMenu = BuildTabContextMenu();
+                if (!tabContextMenu.EquivalentTo(TabContextMenu))
+                {
+                    TabContextMenu = tabContextMenu;
+                }
 
-        private async void OnTerminalOptionsChanged(object sender, TerminalOptions e)
-        {
-            _terminalOptions = e;
-            await ApplicationView.RunOnDispatcherThread(() => OptionsChanged?.Invoke(this, e));
-        }
-
-        private void SelectTabTheme(string id)
-        {
-            TabTheme = TabThemes.FirstOrDefault(t => t.Id == int.Parse(id));
+            }, CoreDispatcherPriority.Low, true);
         }
 
         private void Terminal_Exited(object sender, int exitCode)
         {
-            ApplicationView.RunOnDispatcherThread(() => HasExitedWithError = exitCode > 0);
+            if (ShellProfile?.Tag is ISessionSuccessTracker tracker && exitCode != 0)
+            {
+                tracker.SetInvalid();
+            }
+
+            ApplicationView.ExecuteOnUiThreadAsync(() => HasExitedWithError = exitCode > 0);
         }
 
         private void Terminal_Closed(object sender, EventArgs e)
         {
-            ApplicationView.RunOnDispatcherThread(() => Closed?.Invoke(this, EventArgs.Empty));
+            Closed?.Invoke(this, EventArgs.Empty);
+            Terminal.KeyboardCommandReceived -= Terminal_KeyboardCommandReceived;
+            Terminal.OutputReceived -= Terminal_OutputReceived;
+            Terminal.SizeChanged -= Terminal_SizeChanged;
+            Terminal.TitleChanged -= Terminal_TitleChanged;
+            Terminal.Exited -= Terminal_Exited;
+            Terminal.Closed -= Terminal_Closed;
         }
 
         private async void Terminal_KeyboardCommandReceived(object sender, string e)
@@ -354,83 +633,201 @@ namespace FluentTerminal.App.ViewModels
             {
                 case nameof(Command.Copy):
                     {
-                        var selection = await Terminal.GetSelectedText().ConfigureAwait(true);
-                        ClipboardService.SetText(selection);
-                        if(_terminalOptions.ShowTextCopied)
-                        {
-                            Overlay.Show(I18N.Translate("TextCopied"));
-                        }
-                        break;
+                        await Copy().ConfigureAwait(false);
+                        return;
                     }
                 case nameof(Command.Paste):
                     {
-                        string content = await ClipboardService.GetText().ConfigureAwait(true);
-                        if (content != null)
-                        {
-                            content = ShellProfile.TranslateLineEndings(content);
-                            await Terminal.Write(Encoding.UTF8.GetBytes(content)).ConfigureAwait(true);
-                        }
-                        break;
+                        await Paste().ConfigureAwait(false);
+                        return;
                     }
                 case nameof(Command.PasteWithoutNewlines):
                     {
-                        string content = await ClipboardService.GetText().ConfigureAwait(true);
+                        string content = await ClipboardService.GetTextAsync().ConfigureAwait(false);
                         if (content != null)
                         {
                             content = ShellProfile.NewlinePattern.Replace(content, string.Empty);
-                            await Terminal.Write(Encoding.UTF8.GetBytes(content)).ConfigureAwait(true);
+                            TerminalView.Paste(content);
                         }
-                        break;
+                        return;
                     }
                 case nameof(Command.Search):
                     {
-                        ShowSearchPanel = !ShowSearchPanel;
-                        if (ShowSearchPanel)
+                        await ApplicationView.ExecuteOnUiThreadAsync(() =>
                         {
-                            SearchStarted?.Invoke(this, EventArgs.Empty);
-                        }
-                        break;
+                            ShowSearchPanel = !ShowSearchPanel;
+                            if (ShowSearchPanel)
+                            {
+                                SearchStarted?.Invoke(this, EventArgs.Empty);
+                            }
+                        }).ConfigureAwait(false);
+                        return;
                     }
                 default:
                     {
-                        _keyboardCommandService.SendCommand(e);
-                        break;
+                        await ApplicationView.ExecuteOnUiThreadAsync(() => _keyboardCommandService.SendCommand(e))
+                            .ConfigureAwait(false);
+                        return;
                     }
             }
         }
 
         private void Terminal_OutputReceived(object sender, byte[] e)
         {
+            if (ShellProfile?.Tag is ISessionSuccessTracker tracker)
+            {
+                tracker.SetOutputReceived();
+            }
+
             if (!IsSelected && ApplicationSettings.ShowNewOutputIndicator)
             {
-                ApplicationView.RunOnDispatcherThread(() => HasNewOutput = true);
+                ApplicationView.ExecuteOnUiThreadAsync(() => HasNewOutput = true);
             }
         }
 
         private void Terminal_SizeChanged(object sender, TerminalSize e)
         {
-            Overlay.Show($"{e.Columns} x {e.Rows}");
+            ApplicationView.ExecuteOnUiThreadAsync(() => Overlay.Show($"{e.Columns} x {e.Rows}"));
         }
 
         private void Terminal_TitleChanged(object sender, string e)
         {
-            ShellTitle = e;
-            ShellTitleChanged?.Invoke(this, e);
+            if (e == Terminal.Profile.Location) return;
+            ApplicationView.ExecuteOnUiThreadAsync(() => ShellTitle = e);
         }
 
-        private async Task TryClose()
+        private async Task TryCloseAsync()
         {
-            if (ApplicationSettings.ConfirmClosingTabs)
+            if (ShellProfile?.Tag is ISessionSuccessTracker tracker)
             {
-                var result = await DialogService.ShowMessageDialogAsnyc(I18N.Translate("PleaseConfirm"), I18N.Translate("ConfirmCloseTab"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
-
-                if (result == DialogButton.Cancel)
-                {
-                    return;
-                }
+                tracker.SetInvalid();
             }
 
-            await Close().ConfigureAwait(true);
+            if (!ApplicationSettings.ConfirmClosingTabs || await DialogService
+                    .ShowMessageDialogAsync(I18N.Translate("PleaseConfirm"),
+                        string.Format(I18N.Translate("ConfirmCloseTab"), ShellTitle), DialogButton.OK,
+                        DialogButton.Cancel).ConfigureAwait(false) == DialogButton.OK)
+            {
+                await CloseAsync().ConfigureAwait(false);
+            }
+        }
+
+        private async Task Copy()
+        {
+            var selection = await Terminal.GetSelectedText().ConfigureAwait(false);
+            await CopyTextAsync(selection).ConfigureAwait(false);
+        }
+
+        private async Task Paste()
+        {
+            var content = await ClipboardService.GetTextAsync().ConfigureAwait(false);
+            if (content != null)
+            {
+                TerminalView.Paste(content);
+            }
+        }
+
+        private MenuViewModel BuidContextMenu()
+        {
+            var commandKeyBindings = SettingsService.GetCommandKeyBindings();
+            var contextMenu = new MenuViewModel();
+
+            if (!string.IsNullOrWhiteSpace(HoveredUri))
+            {
+                var copyLink = new MenuItemViewModel(I18N.Translate("CopyLink"), CopyLinkCommand, icon: Mdl2Icon.Link());
+                contextMenu.Items.Add(copyLink);
+                contextMenu.Items.Add(new SeparatorMenuItemViewModel());
+            }
+
+            var copy = new MenuItemViewModel(I18N.Translate("Command.Copy"), CopyCommand, icon: Mdl2Icon.Copy());
+            AddKeyBindings(copy, Command.Copy, commandKeyBindings);
+            contextMenu.Items.Add(copy);
+
+            var paste = new MenuItemViewModel(I18N.Translate("Command.Paste"), PasteCommand, icon: Mdl2Icon.Paste());
+            AddKeyBindings(paste, Command.Paste, commandKeyBindings);
+            contextMenu.Items.Add(paste);
+
+            contextMenu.Items.Add(new SeparatorMenuItemViewModel());
+
+            var editTitle = new MenuItemViewModel(I18N.Translate("EditTitle.Text"), EditTitleCommand, icon: Mdl2Icon.Edit());
+            AddKeyBindings(editTitle, Command.ChangeTabTitle, commandKeyBindings);
+            contextMenu.Items.Add(editTitle);
+
+            var search = new MenuItemViewModel(I18N.Translate("Search.Text"), ShowSearchPanelCommand, icon: Mdl2Icon.Search());
+            AddKeyBindings(search, Command.Search, commandKeyBindings);
+            contextMenu.Items.Add(search);
+
+            contextMenu.Items.Add(new SeparatorMenuItemViewModel());
+
+            var duplicate = new MenuItemViewModel(I18N.Translate("Command.DuplicateTab"), DuplicateTabCommand);
+            AddKeyBindings(duplicate, Command.DuplicateTab, commandKeyBindings);
+            contextMenu.Items.Add(duplicate);
+
+            contextMenu.Items.Add(new SeparatorMenuItemViewModel());
+
+            var close = new MenuItemViewModel(I18N.Translate("Close"), CloseCommand, icon: Mdl2Icon.Cancel());
+            AddKeyBindings(close, Command.CloseTab, commandKeyBindings);
+            contextMenu.Items.Add(close);
+
+            return contextMenu;
+        }
+
+        private MenuViewModel BuildTabContextMenu()
+        {
+            var commandKeyBindings = SettingsService.GetCommandKeyBindings();
+            var contextMenu = new MenuViewModel();
+
+            RadioMenuItemViewModel createTabColorItem(TabThemeViewModel tabTheme)
+            {
+                //todo localise name
+                var icon = tabTheme.Theme.Id == 0 ? Mdl2Icon.PaginationDotOutline10() : Mdl2Icon.PaginationDotSolid10(tabTheme.Theme.Color);
+                return new RadioMenuItemViewModel(I18N.Translate($"{tabTheme.Theme.Name}"),  $"{Terminal.Id}_tabTheme", tabTheme, bindingPath: nameof(TabThemeViewModel.IsSelected) , icon: icon);
+            }
+
+            var tabColor = new ExpandableMenuItemViewModel(I18N.Translate("Color.Text"));
+
+            foreach (var tabTheme in TabThemes)
+            {
+                tabColor.SubItems.Add(createTabColorItem(tabTheme));
+            }
+
+            contextMenu.Items.Add(tabColor);
+
+            var editTitle = new MenuItemViewModel(I18N.Translate("EditTitle.Text"), EditTitleCommand, icon: Mdl2Icon.Edit());
+            AddKeyBindings(editTitle, Command.ChangeTabTitle, commandKeyBindings);
+            contextMenu.Items.Add(editTitle);
+
+            contextMenu.Items.Add(new SeparatorMenuItemViewModel());
+
+            var duplicate = new MenuItemViewModel(I18N.Translate("Command.DuplicateTab"), DuplicateTabCommand);
+            AddKeyBindings(duplicate, Command.DuplicateTab, commandKeyBindings);
+            contextMenu.Items.Add(duplicate);
+
+            contextMenu.Items.Add(new SeparatorMenuItemViewModel());
+
+            var closeLeft = new MenuItemViewModel(I18N.Translate("CloseLeft.Text"), CloseLeftTabsCommand);
+            contextMenu.Items.Add(closeLeft);
+
+            var closeRight = new MenuItemViewModel(I18N.Translate("CloseRight.Text"), CloseRightTabsCommand);
+            contextMenu.Items.Add(closeRight);
+
+            var closeOther = new MenuItemViewModel(I18N.Translate("CloseOther.Text"), CloseOtherTabsCommand);
+            contextMenu.Items.Add(closeOther);
+
+            var close = new MenuItemViewModel(I18N.Translate("Close"), CloseCommand, icon: Mdl2Icon.Cancel());
+            AddKeyBindings(close, Command.CloseTab, commandKeyBindings);
+            contextMenu.Items.Add(close);
+
+            return contextMenu;
+        }
+
+        private void AddKeyBindings(MenuItemViewModel menuItem, Command command, IDictionary<string, ICollection<KeyBinding>> commandKeyBindings)
+        {
+            var keyBindings = commandKeyBindings[command.ToString()];
+            if (keyBindings?.Any() == true)
+            {
+                menuItem.KeyBinding = new MenuItemKeyBindingViewModel(keyBindings.First());
+            }
         }
     }
 }

FluentTerminal.App.ViewModels/ThemeViewModel.cs

@@ -1,11 +1,13 @@
 using FluentTerminal.App.Services;
 using FluentTerminal.App.Services.Utilities;
+using FluentTerminal.App.ViewModels.Infrastructure;
 using FluentTerminal.Models;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
 using Newtonsoft.Json;
 using System;
 using System.Threading.Tasks;
+using System.Windows.Input;
 
 namespace FluentTerminal.App.ViewModels
 {
@@ -41,16 +43,25 @@ namespace FluentTerminal.App.ViewModels
         private string _selection;
         private string _white;
         private string _yellow;
+        private ImageFile _backgroundThemeFile;
         private readonly IFileSystemService _fileSystemService;
+        private readonly IImageFileSystemService _imageFileSystemService;
 
         public event EventHandler<string> BackgroundChanged;
+        public event EventHandler<ImageFile> BackgroundImageChanged;
 
-        public ThemeViewModel(TerminalTheme theme, ISettingsService settingsService, IDialogService dialogService, IFileSystemService fileSystemService, bool isNew)
+        public ThemeViewModel(TerminalTheme theme,
+                              ISettingsService settingsService,
+                              IDialogService dialogService,
+                              IFileSystemService fileSystemService,
+                              IImageFileSystemService imageFileSystemService,
+                              bool isNew)
         {
             Model = theme;
             _settingsService = settingsService;
             _dialogService = dialogService;
             _fileSystemService = fileSystemService;
+            _imageFileSystemService = imageFileSystemService;
             _isNew = isNew;
 
             Name = Model.Name;
@@ -81,12 +92,16 @@ namespace FluentTerminal.App.ViewModels
             CursorAccent = Model.Colors.CursorAccent;
             Selection = Model.Colors.Selection;
 
+            BackgroundThemeFile = Model.BackgroundImage;
+
             SetActiveCommand = new RelayCommand(SetActive);
-            DeleteCommand = new RelayCommand(async () => await Delete().ConfigureAwait(false), NotPreInstalled);
+            DeleteCommand = new AsyncCommand(DeleteAsync, NotPreInstalled);
             EditCommand = new RelayCommand(Edit, NotPreInstalled);
-            CancelEditCommand = new RelayCommand(async () => await CancelEdit().ConfigureAwait(false));
-            SaveChangesCommand = new RelayCommand(SaveChanges);
-            ExportCommand = new RelayCommand(async () => await Export().ConfigureAwait(false), NotPreInstalled);
+            CancelEditCommand = new AsyncCommand(CancelEditAsync);
+            SaveChangesCommand = new AsyncCommand(SaveChangesAsync);
+            ExportCommand = new AsyncCommand(Export, NotPreInstalled);
+            ChooseBackgroundImageCommand = new AsyncCommand(ChooseBackgroundImageAsync, NotPreInstalled);
+            DeleteBackgroundImageCommand = new AsyncCommand(DeleteBackgroundImageAsync, NotPreInstalled);
         }
 
         public event EventHandler Activated;
@@ -177,7 +192,7 @@ namespace FluentTerminal.App.ViewModels
             set => Set(ref _brightYellow, value);
         }
 
-        public RelayCommand CancelEditCommand { get; }
+        public ICommand CancelEditCommand { get; }
 
         public string Cursor
         {
@@ -197,9 +212,9 @@ namespace FluentTerminal.App.ViewModels
             set => Set(ref _cyan, value);
         }
 
-        public RelayCommand DeleteCommand { get; }
-        public RelayCommand EditCommand { get; }
-        public RelayCommand ExportCommand { get; }
+        public ICommand DeleteCommand { get; }
+        public ICommand EditCommand { get; }
+        public ICommand ExportCommand { get; }
 
         public string Foreground
         {
@@ -245,7 +260,7 @@ namespace FluentTerminal.App.ViewModels
             set => Set(ref _red, value);
         }
 
-        public RelayCommand SaveChangesCommand { get; }
+        public ICommand SaveChangesCommand { get; }
 
         public string Selection
         {
@@ -253,7 +268,7 @@ namespace FluentTerminal.App.ViewModels
             set => Set(ref _selection, value);
         }
 
-        public RelayCommand SetActiveCommand { get; }
+        public ICommand SetActiveCommand { get; }
 
         public string White
         {
@@ -267,7 +282,22 @@ namespace FluentTerminal.App.ViewModels
             set => Set(ref _yellow, value);
         }
 
-        public void SaveChanges()
+        public ImageFile BackgroundThemeFile
+        {
+            get => _backgroundThemeFile;
+            set
+            {
+                Set(ref _backgroundThemeFile, value);
+                BackgroundImageChanged?.Invoke(this, value);
+            }
+        }
+
+        public ICommand ChooseBackgroundImageCommand { get; }
+
+        public ICommand DeleteBackgroundImageCommand { get; }
+
+        // Requires UI thread
+        private async Task SaveChangesAsync()
         {
             Model.Name = Name;
             Model.Author = Author;
@@ -296,92 +326,114 @@ namespace FluentTerminal.App.ViewModels
             Model.Colors.CursorAccent = CursorAccent;
             Model.Colors.Selection = Selection;
 
+            if (Model.BackgroundImage != null &&
+               BackgroundThemeFile != Model?.BackgroundImage)
+            {
+                // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+                await _imageFileSystemService
+                    .RemoveImportedImageAsync($"{Model.BackgroundImage?.Name}{Model.BackgroundImage?.FileType}")
+                    .ConfigureAwait(true);
+            }
+
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+            BackgroundThemeFile = await SaveBackgroundImageAsync().ConfigureAwait(true);
+
+            Model.BackgroundImage = BackgroundThemeFile;
+
             _settingsService.SaveTheme(Model);
 
             InEditMode = false;
             _isNew = false;
         }
 
-        private async Task CancelEdit()
+        // Requires UI thread
+        private async Task CancelEditAsync()
         {
             if (_isNew)
             {
-                await Delete();
+                await DeleteAsync().ConfigureAwait(false);
+
+                return;
+            }
+
+            TerminalTheme changedTheme = new TerminalTheme()
+            {
+                Name = Name,
+                Author = Author,
+                BackgroundImage = BackgroundThemeFile,
+                Colors = new TerminalColors()
+                {
+                    Black = Black,
+                    Red = Red,
+                    Green = Green,
+                    Yellow = Yellow,
+                    Blue = Blue,
+                    Magenta = Magenta,
+                    Cyan = Cyan,
+                    White = White,
+
+                    BrightBlack = BrightBlack,
+                    BrightRed = BrightRed,
+                    BrightGreen = BrightGreen,
+                    BrightYellow = BrightYellow,
+                    BrightBlue = BrightBlue,
+                    BrightMagenta = BrightMagenta,
+                    BrightCyan = BrightCyan,
+                    BrightWhite = BrightWhite,
+
+                    Background = Background,
+                    Foreground = Foreground,
+                    Cursor = Cursor,
+                    CursorAccent = CursorAccent,
+                    Selection = Selection
+                }
+            };
+
+            if (!_fallbackTheme.Equals(changedTheme))
+            {
+                // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+                var result = await _dialogService.ShowMessageDialogAsync(I18N.Translate("PleaseConfirm"),
+                    I18N.Translate("ConfirmDiscardChanges"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
+
+                if (result == DialogButton.OK)
+                {
+                    Black = _fallbackTheme.Colors.Black;
+                    Red = _fallbackTheme.Colors.Red;
+                    Green = _fallbackTheme.Colors.Green;
+                    Yellow = _fallbackTheme.Colors.Yellow;
+                    Blue = _fallbackTheme.Colors.Blue;
+                    Magenta = _fallbackTheme.Colors.Magenta;
+                    Cyan = _fallbackTheme.Colors.Cyan;
+                    White = _fallbackTheme.Colors.White;
+
+                    BrightBlack = _fallbackTheme.Colors.BrightBlack;
+                    BrightRed = _fallbackTheme.Colors.BrightRed;
+                    BrightGreen = _fallbackTheme.Colors.BrightGreen;
+                    BrightYellow = _fallbackTheme.Colors.BrightYellow;
+                    BrightBlue = _fallbackTheme.Colors.BrightBlue;
+                    BrightMagenta = _fallbackTheme.Colors.BrightMagenta;
+                    BrightCyan = _fallbackTheme.Colors.BrightCyan;
+                    BrightWhite = _fallbackTheme.Colors.BrightWhite;
+
+                    Background = _fallbackTheme.Colors.Background;
+                    Foreground = _fallbackTheme.Colors.Foreground;
+                    Cursor = _fallbackTheme.Colors.Cursor;
+                    CursorAccent = _fallbackTheme.Colors.CursorAccent;
+                    Selection = _fallbackTheme.Colors.Selection;
+
+                    Name = _fallbackTheme.Name;
+                    Author = _fallbackTheme.Author;
+
+                    BackgroundThemeFile = _fallbackTheme.BackgroundImage;
+
+                    InEditMode = false;
+
+                    await _imageFileSystemService.RemoveTemporaryBackgroundThemeImageAsync().ConfigureAwait(false);
+                }
             }
             else
             {
-                TerminalTheme changedTheme = new TerminalTheme()
-                {
-                    Name = Name,
-                    Author = Author,
-                    Colors = new TerminalColors()
-                    {
-                        Black = Black,
-                        Red = Red,
-                        Green = Green,
-                        Yellow = Yellow,
-                        Blue = Blue,
-                        Magenta = Magenta,
-                        Cyan = Cyan,
-                        White = White,
-
-                        BrightBlack = BrightBlack,
-                        BrightRed = BrightRed,
-                        BrightGreen = BrightGreen,
-                        BrightYellow = BrightYellow,
-                        BrightBlue = BrightBlue,
-                        BrightMagenta = BrightMagenta,
-                        BrightCyan = BrightCyan,
-                        BrightWhite = BrightWhite,
-
-                        Background = Background,
-                        Foreground = Foreground,
-                        Cursor = Cursor,
-                        CursorAccent = CursorAccent,
-                        Selection = Selection
-                    }
-                };
-
-                if (!_fallbackTheme.Equals(changedTheme))
-                {
-                    var result = await _dialogService.ShowMessageDialogAsnyc(I18N.Translate("PleaseConfirm"), I18N.Translate("ConfirmDiscardChanges"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
-
-                    if (result == DialogButton.OK)
-                    {
-                        Black = _fallbackTheme.Colors.Black;
-                        Red = _fallbackTheme.Colors.Red;
-                        Green = _fallbackTheme.Colors.Green;
-                        Yellow = _fallbackTheme.Colors.Yellow;
-                        Blue = _fallbackTheme.Colors.Blue;
-                        Magenta = _fallbackTheme.Colors.Magenta;
-                        Cyan = _fallbackTheme.Colors.Cyan;
-                        White = _fallbackTheme.Colors.White;
-
-                        BrightBlack = _fallbackTheme.Colors.BrightBlack;
-                        BrightRed = _fallbackTheme.Colors.BrightRed;
-                        BrightGreen = _fallbackTheme.Colors.BrightGreen;
-                        BrightYellow = _fallbackTheme.Colors.BrightYellow;
-                        BrightBlue = _fallbackTheme.Colors.BrightBlue;
-                        BrightMagenta = _fallbackTheme.Colors.BrightMagenta;
-                        BrightCyan = _fallbackTheme.Colors.BrightCyan;
-                        BrightWhite = _fallbackTheme.Colors.BrightWhite;
-
-                        Background = _fallbackTheme.Colors.Background;
-                        Foreground = _fallbackTheme.Colors.Foreground;
-                        Cursor = _fallbackTheme.Colors.Cursor;
-                        CursorAccent = _fallbackTheme.Colors.CursorAccent;
-                        Selection = _fallbackTheme.Colors.Selection;
-
-                        Name = _fallbackTheme.Name;
-                        Author = _fallbackTheme.Author;
-
-                        InEditMode = false;
-                    }
-                }
-                else
-                {
-                    InEditMode = false;
-                }
+                InEditMode = false;
             }
         }
 
@@ -390,16 +442,38 @@ namespace FluentTerminal.App.ViewModels
             return !Model.PreInstalled;
         }
 
-        private async Task Delete()
+        // Requires UI thread
+        private async Task DeleteAsync()
         {
-            var result = await _dialogService.ShowMessageDialogAsnyc(I18N.Translate("PleaseConfirm"), I18N.Translate("ConfirmDeleteTheme"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
+            // ConfigureAwait(true) because we need to trigger Deleted event in the calling (UI) thread.
+            var result = await _dialogService.ShowMessageDialogAsync(I18N.Translate("PleaseConfirm"),
+                I18N.Translate("ConfirmDeleteTheme"), DialogButton.OK, DialogButton.Cancel).ConfigureAwait(true);
 
             if (result == DialogButton.OK)
             {
+                // ConfigureAwait(true) because we need to trigger Deleted event in the calling (UI) thread.
+                await DeleteBackgroundImageIfExistsAsync().ConfigureAwait(true);
+                // ConfigureAwait(true) because we need to trigger Deleted event in the calling (UI) thread.
+                await _imageFileSystemService.RemoveTemporaryBackgroundThemeImageAsync().ConfigureAwait(true);
+
                 Deleted?.Invoke(this, EventArgs.Empty);
             }
         }
 
+        // Requires UI thread
+        private async Task DeleteBackgroundImageAsync()
+        {
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+            var result = await _dialogService.ShowMessageDialogAsync(I18N.Translate("PleaseConfirm"),
+                    I18N.Translate("ConfirmDeleteBackgroundImage"), DialogButton.OK, DialogButton.Cancel)
+                .ConfigureAwait(true);
+
+            if (result == DialogButton.OK)
+            {
+                BackgroundThemeFile = null;
+            }
+        }
+
         private void Edit()
         {
             _fallbackTheme = new TerminalTheme(Model);
@@ -413,8 +487,60 @@ namespace FluentTerminal.App.ViewModels
 
         private Task Export()
         {
-            var content = JsonConvert.SerializeObject(Model, Formatting.Indented, new JsonSerializerSettings { ContractResolver = new TerminalThemeContractResolver() });
-            return _fileSystemService.SaveTextFile(Name, "Fluent Terminal Theme", ".flutecolors", content);
+            var encodedImage = _imageFileSystemService.EncodeImage(BackgroundThemeFile);
+            var exportedTheme = new ExportedTerminalTheme(Model, encodedImage);
+            var content = JsonConvert.SerializeObject(exportedTheme, Formatting.Indented, new JsonSerializerSettings { ContractResolver = new TerminalThemeContractResolver() });
+            return _fileSystemService.SaveTextFileAsync(Name, "Fluent Terminal Theme", ".flutecolors", content);
+        }
+
+        private async Task<ImageFile> SaveBackgroundImageAsync()
+        {
+            if (BackgroundThemeFile == null)
+            {
+                return BackgroundThemeFile;
+            }
+
+            if (BackgroundThemeFile == Model.BackgroundImage)
+            {
+                return BackgroundThemeFile;
+            }
+
+            var importedBackgroundThemeFile =
+                await _fileSystemService.SaveImageInRoamingAsync(BackgroundThemeFile).ConfigureAwait(false);
+
+            await _imageFileSystemService.RemoveTemporaryBackgroundThemeImageAsync().ConfigureAwait(false);
+
+            return importedBackgroundThemeFile;
+        }
+
+        // Requires UI thread
+        private async Task ChooseBackgroundImageAsync()
+        {
+            // ConfigureAwait(true) because we're setting some view-model properties afterwards.
+            var chosenImage = await _imageFileSystemService
+                .ImportTemporaryImageFileAsync(new[] {".jpeg", ".png", ".jpg"}).ConfigureAwait(true);
+
+            if(chosenImage != null)
+            {
+                BackgroundThemeFile = chosenImage;
+            }
+        }
+
+        // Requires UI thread
+        private async Task DeleteBackgroundImageIfExistsAsync()
+        {
+            if (BackgroundThemeFile != null)
+            {
+                var imageFile = Model.BackgroundImage;
+
+                BackgroundThemeFile = null;
+
+                if (imageFile != null)
+                {
+                    await _imageFileSystemService.RemoveImportedImageAsync($"{imageFile.Name}{imageFile.FileType}")
+                        .ConfigureAwait(false);
+                }
+            }
         }
     }
 }

FluentTerminal.App.ViewModels/Utilities/WebViewSpecialCharEncoder.cs

@@ -0,0 +1,15 @@
+namespace FluentTerminal.App.ViewModels.Utilities
+{
+    public static class WebViewSpecialCharEncoder
+    {
+        public static string Encode(string value)
+        {
+            return value.Replace("\"", """).Replace("'", "&squo;").Replace("\\", "\");
+        }
+
+        public static string Decode(string value)
+        {
+            return value.Replace(""", "\"").Replace("&squo;", "'").Replace("\", "\\");
+        }
+    }
+}

FluentTerminal.App/Actions/FocusAction.cs

@@ -0,0 +1,26 @@
+using Microsoft.Xaml.Interactivity;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+
+namespace FluentTerminal.App.Actions
+{
+    public class FocusAction : DependencyObject, IAction
+    {
+        public object Execute(object sender, object parameter)
+        {
+            var control = TargetObject ?? sender as Control;
+            control?.Focus(FocusState.Programmatic);
+
+            return null;
+        }
+
+        public Control TargetObject
+        {
+            get { return (Control)GetValue(TargetObjectProperty); }
+            set { SetValue(TargetObjectProperty, value); }
+        }
+
+        public static readonly DependencyProperty TargetObjectProperty =
+            DependencyProperty.Register(nameof(TargetObject), typeof(Control), typeof(FocusAction), new PropertyMetadata(null));
+    }
+}