[New PowerToy] PowerAccent (#19212)

* add poweraccent (draft) for PR

* removing french text for Spell checking job

* add 'poweraccent' to spell checker

* add 'damienleroy' to spell checker file

* adding RuntimeIdentifiers for PowerAccent project

* duplicate image for settings

* update commandline arguments for launch settings

* Removing WndProc for testing with inter-process connection

* add PowerAccent sources for PowerToys

* fix spellcheck

* fixing stylecop conventions

* Remove StyleCop.Analyzers because of duplicate

* fixing command line reference

* Fixing CS8012 for PowerAccent.

* ARM64 processor

* - Modify PowerAccent fluenticon for dark mode
- Try fix arm64 release

* Remove taskbar

* init Oobe view

* - added POwerAccent to App.xaml.cs
- change style to markdown in Oobe display

* - fixing poweraccent crash
- change Oobe LearnMore link

* Installer and signing

* Cleanup
Add settings

* Issue template

* Add some more characters

* Disabled by default

* Proper ToUnicodeEx calling and remove hacks

* Fix spellcheck

* Remove CommandLine dependency and debug prints. Add logs

* fix signing

* Fix binary metadata with version

* Fix the added space bug

* Only type space if it was the trigger method

* Take account of InputTime for displaying UI

* Fix code styling

* Remove the Trace WriteLine hack and add a delay instead

* Reinstate logs

* Better explanations

* Add telemetry for showing the menu

* Update src/settings-ui/Settings.UI/Strings/en-us/Resources.resw

* Update src/settings-ui/Settings.UI/Strings/en-us/Resources.resw

* Update src/modules/poweraccent/PowerAccent.Core/Tools/KeyboardListener.cs

* Update src/modules/poweraccent/PowerAccent.Core/Services/SettingsService.cs

* Add accented characters for S

* Default to both activation methods

* Update src/modules/poweraccent/PowerAccent.Core/Services/SettingsService.cs

* Update src/modules/poweraccent/PowerAccent.Core/Services/SettingsService.cs

* Update src/modules/poweraccent/PowerAccent.Core/Services/SettingsService.cs

* Update src/modules/poweraccent/PowerAccent.Core/Services/SettingsService.cs

* Update src/modules/poweraccent/PowerAccent.Core/Services/SettingsService.cs

* Update src/modules/poweraccent/PowerAccent.Core/Services/SettingsService.cs

Co-authored-by: Damien LEROY <dleroy@veepee.com>

src/modules/poweraccent/PowerAccent.UI/App.xaml

@@ -0,0 +1,17 @@
+<Application x:Class="PowerAccent.UI.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:PowerAccent"
+             StartupUri="Selector.xaml">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <!-- MahApps.Metro resource dictionaries. Make sure that all file names are Case Sensitive! -->
+                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.xaml" />
+                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml" />
+                <!-- Theme setting -->
+                <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Themes/Light.Blue.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

src/modules/poweraccent/PowerAccent.UI/App.xaml.cs

@@ -0,0 +1,33 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Threading;
+using System.Windows;
+
+namespace PowerAccent.UI
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+        private static Mutex _mutex;
+
+        protected override void OnStartup(StartupEventArgs e)
+        {
+            const string appName = "PowerAccent";
+            bool createdNew;
+
+            _mutex = new Mutex(true, appName, out createdNew);
+
+            if (!createdNew)
+            {
+                // app is already running! Exiting the application
+                Application.Current.Shutdown();
+            }
+
+            base.OnStartup(e);
+        }
+    }
+}

src/modules/poweraccent/PowerAccent.UI/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, // where theme specific resource dictionaries are located (used if a resource is not found in the page, or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly) // where the generic resource dictionary is locate (used if a resource is not found in the page, app, or any theme specific resource dictionaries)
+]

src/modules/poweraccent/PowerAccent.UI/PowerAccent.UI.csproj

@@ -0,0 +1,35 @@
+<Project Sdk="Microsoft.NET.Sdk">
+	<Import Project="..\..\..\Version.props" />
+	<PropertyGroup>
+		<OutputType>WinExe</OutputType>
+		<TargetFramework>net6.0-windows</TargetFramework>
+		<RuntimeIdentifiers>win-x64;win-arm64</RuntimeIdentifiers>
+		<Nullable>disable</Nullable>
+		<UseWPF>true</UseWPF>
+		<AllowUnsafeBlocks>True</AllowUnsafeBlocks>
+		<ApplicationIcon>a-icon.ico</ApplicationIcon>
+		<AssemblyName>PowerAccent</AssemblyName>
+		<XamlDebuggingInformation>True</XamlDebuggingInformation>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<None Remove="win11desktop.jpg" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<Resource Include="a-icon.ico">
+			<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+		</Resource>
+		<Resource Include="win11desktop.jpg" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<PackageReference Include="gong-wpf-dragdrop" Version="3.1.1" />
+		<PackageReference Include="MahApps.Metro" Version="2.4.9" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<ProjectReference Include="..\PowerAccent.Core\PowerAccent.Core.csproj" />
+	</ItemGroup>
+	
+</Project>

src/modules/poweraccent/PowerAccent.UI/Selector.xaml

@@ -0,0 +1,55 @@
+<Window x:Class="PowerAccent.UI.Selector"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:PowerAccent"
+        mc:Ignorable="d" SizeToContent="WidthAndHeight" ShowInTaskbar="False" ResizeMode="NoResize"
+        Title="MainWindow" Height="50" Width="50" Visibility="Collapsed" WindowStyle="None">
+    <Grid>
+        <ListBox x:Name="characters" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch" IsHitTestVisible="False"
+                 BorderThickness="1" BorderBrush="SlateGray">
+            <ListBox.ItemsPanel>
+                <ItemsPanelTemplate>
+                    <VirtualizingStackPanel IsItemsHost="False" Orientation="Horizontal" />
+                </ItemsPanelTemplate>
+            </ListBox.ItemsPanel>
+            <ListBox.ItemTemplate>
+                <DataTemplate>
+                    <TextBlock TextAlignment="Center" VerticalAlignment="Center" Text="{Binding}" FontSize="18" />
+                </DataTemplate>
+            </ListBox.ItemTemplate>
+            <ListBox.ItemContainerStyle>
+                <Style x:Name="ItemStyle" TargetType="ListBoxItem">
+                    <Setter Property="Template">
+                        <Setter.Value>
+                            <ControlTemplate TargetType="{x:Type ListBoxItem}">
+                                <Border x:Name="myBorder"
+                                    Padding="0" Margin="0"
+                                    SnapsToDevicePixels="true"
+                                    Style="{DynamicResource borderContent}">
+                                    <ContentPresenter />
+                                </Border>
+                                <ControlTemplate.Resources>
+                                    <Style x:Key="borderContent" TargetType="Border">
+                                        <Setter Property="BorderThickness" Value="0"/>
+                                        <Setter Property="BorderBrush" Value="Transparent"/>
+                                        <Setter Property="Background" Value="#ECECEC"/>
+                                        <Setter Property="Width" Value="50"/>
+                                        <Setter Property="Height" Value="50"/>
+                                    </Style>
+                                </ControlTemplate.Resources>
+                                <ControlTemplate.Triggers>
+                                    <Trigger Property="IsSelected" Value="true">
+                                        <Setter TargetName="myBorder" Property="Background" Value="White"/>
+                                        <Setter Property="FontWeight" Value="Bold"/>
+                                    </Trigger>
+                                </ControlTemplate.Triggers>
+                            </ControlTemplate>
+                        </Setter.Value>
+                    </Setter>
+                </Style>
+            </ListBox.ItemContainerStyle>
+        </ListBox>
+    </Grid>
+</Window>

src/modules/poweraccent/PowerAccent.UI/Selector.xaml.cs

@@ -0,0 +1,71 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Windows;
+using Point = PowerAccent.Core.Point;
+using Size = PowerAccent.Core.Size;
+
+namespace PowerAccent.UI;
+
+public partial class Selector : Window, IDisposable
+{
+    private Core.PowerAccent _powerAccent = new Core.PowerAccent();
+
+    public Selector()
+    {
+        InitializeComponent();
+        Application.Current.MainWindow.ShowActivated = false;
+        Application.Current.MainWindow.Topmost = true;
+    }
+
+    protected override void OnSourceInitialized(EventArgs e)
+    {
+        base.OnSourceInitialized(e);
+        _powerAccent.OnChangeDisplay += PowerAccent_OnChangeDisplay;
+        _powerAccent.OnSelectCharacter += PowerAccent_OnSelectionCharacter;
+        this.Visibility = Visibility.Hidden;
+    }
+
+    private void PowerAccent_OnSelectionCharacter(int index, char character)
+    {
+        characters.SelectedIndex = index;
+    }
+
+    private void PowerAccent_OnChangeDisplay(bool isActive, char[] chars)
+    {
+        this.Visibility = isActive ? Visibility.Visible : Visibility.Collapsed;
+        if (isActive)
+        {
+            CenterWindow();
+            characters.ItemsSource = chars;
+            Microsoft.PowerToys.Telemetry.PowerToysTelemetry.Log.WriteEvent(new PowerAccent.Core.Telemetry.PowerAccentShowAccentMenuEvent());
+        }
+    }
+
+    private void MenuExit_Click(object sender, RoutedEventArgs e)
+    {
+        Application.Current.Shutdown();
+    }
+
+    private void CenterWindow()
+    {
+        UpdateLayout();
+        Size window = new Size(((System.Windows.Controls.Panel)Application.Current.MainWindow.Content).ActualWidth, ((System.Windows.Controls.Panel)Application.Current.MainWindow.Content).ActualHeight);
+        Point position = _powerAccent.GetDisplayCoordinates(window);
+        this.Left = position.X;
+        this.Top = position.Y;
+    }
+
+    protected override void OnClosed(EventArgs e)
+    {
+        _powerAccent.Dispose();
+        base.OnClosed(e);
+    }
+
+    public void Dispose()
+    {
+        GC.SuppressFinalize(this);
+    }
+}