Manage Windows OCR Language Settings

Text-Grab/App.xaml.cs

@@ -5,6 +5,7 @@
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
+using System.Linq;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Media;
@@ -234,6 +235,9 @@ private void appExit(object sender, ExitEventArgs e)
 
     private async void appStartup(object sender, StartupEventArgs e)
     {
+        if (checkForAdminWindow(e.Args))
+            return;
+
         NumberOfRunningInstances = Process.GetProcessesByName("Text-Grab").Length;
         Current.DispatcherUnhandledException += CurrentDispatcherUnhandledException;
 
@@ -272,6 +276,23 @@ private async void appStartup(object sender, StartupEventArgs e)
         DefaultLaunch();
     }
 
+    private bool checkForAdminWindow(string[] args)
+    {
+        WindowCollection allWindows = Current.Windows;
+
+        foreach (Window window in allWindows)
+            if (window is AdminWindow)
+                return true;
+
+        if (args.Length == 0 || !args.Contains("admin"))
+            return false;
+
+        AdminWindow aw = new();
+        aw.Show();
+
+        return true;
+    }
+
     private void CurrentDispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
     {
         // unhandled exceptions thrown from UI thread

Text-Grab/Pages/LanguageSettings.xaml

@@ -25,6 +25,14 @@
                 Click="HyperlinkButton_Click"
                 Content="How to install OCR languages with PowerShell"
                 NavigateUri="https://learn.microsoft.com/en-us/windows/powertoys/text-extractor#how-to-query-for-ocr-language-packs" />
+            <StackPanel Margin="0,8,0,0" Orientation="Horizontal">
+                <Button Margin="12,0,0,0" Click="InstalWindowsLangButton_Click">
+                    <StackPanel Orientation="Horizontal">
+                        <ui:SymbolIcon Symbol="Shield24" />
+                        <TextBlock Margin="6,0,0,0" Text="Manage Windows OCR Languages" />
+                    </StackPanel>
+                </Button>
+            </StackPanel>
             <!--  Show the commands to execute to add other languages  -->
             <ui:ListView
                 x:Name="WindowsLanguagesListView"

Text-Grab/Pages/LanguageSettings.xaml.cs

@@ -16,9 +16,6 @@
 
 namespace Text_Grab.Pages;
 
-/// <summary>
-/// Interaction logic for LanguageSettings.xaml
-/// </summary>
 public partial class LanguageSettings : Page
 {
     private readonly Settings DefaultSettings = AppUtilities.TextGrabSettings;
@@ -47,7 +44,7 @@ private async void Page_Loaded(object sender, RoutedEventArgs e)
     private void LoadWindowsLanguages()
     {
         WindowsLanguagesListView.Items.Clear();
-        List<Language> possibleOCRLanguages = OcrEngine.AvailableRecognizerLanguages.ToList();
+        List<Language> possibleOCRLanguages = [.. OcrEngine.AvailableRecognizerLanguages];
         foreach (Language language in possibleOCRLanguages)
             WindowsLanguagesListView.Items.Add(language);
     }
@@ -155,4 +152,44 @@ private void Hyperlink_RequestNavigate(object sender, RequestNavigateEventArgs e
         Process.Start(new ProcessStartInfo(e.Uri.AbsoluteUri) { UseShellExecute = true });
         e.Handled = true;
     }
+
+    private void InstalWindowsLangButton_Click(object sender, RoutedEventArgs e)
+    {
+        if (AppContext.BaseDirectory is not string exeDir)
+            return;
+
+        string exePath = Path.Combine(exeDir, "Text-Grab.exe");
+
+        ProcessStartInfo startInfo = new()
+        {
+            UseShellExecute = true,
+            WorkingDirectory = Environment.CurrentDirectory,
+            FileName = exePath,
+            Verb = "runas",
+            Arguments = "admin",
+            WindowStyle = ProcessWindowStyle.Normal
+        };
+
+        try
+        {
+            Process? process = Process.Start(startInfo);
+        }
+        catch (Exception ex)
+        {
+            MessageBox.Show(ex.Message);
+        }
+    }
+}
+
+
+public record LangListItem
+{
+    public string RightPart { get; set; } = string.Empty;
+
+    public string LeftPart { get; set; } = string.Empty;
+
+    public override string ToString()
+    {
+        return string.Join(' ', [LeftPart, RightPart]);
+    }
 }

Text-Grab/Text-Grab.csproj

@@ -71,6 +71,7 @@
 		<PackageReference Include="CliWrap" Version="3.7.0" />
 		<PackageReference Include="Dapplo.Windows.User32" Version="1.0.28" />
 		<PackageReference Include="Humanizer.Core" Version="2.14.1" />
+		<PackageReference Include="Microsoft.Dism" Version="3.3.0" />
 		<PackageReference Include="Microsoft.Toolkit.Uwp.Notifications" Version="7.1.3" />
 		<PackageReference Include="System.Drawing.Common" Version="9.0.0" />
 		<PackageReference Include="WPF-UI" Version="4.0.0-rc.2" />

Text-Grab/Utilities/WindowsLanguageUtilities.cs

@@ -0,0 +1,58 @@
+namespace Text_Grab.Utilities;
+public class WindowsLanguageUtilities
+{
+    public static string PowerShellCommandForInstallingWithTag(string languageTag)
+    {
+        // $Capability = Get-WindowsCapability -Online | Where-Object { $_.Name -Like 'Language.OCR*en-US*' }
+        return $"$Capability = Get-WindowsCapability -Online | Where-Object {{ $_.Name -Like 'Language.OCR*{languageTag}*' }}; $Capability | Add-WindowsCapability -Online";
+    }
+
+    public static string DismLanguageCommand(string languageTag)
+    {
+        return $"Language.OCR~~~{languageTag}";
+    }
+
+    public static string PowerShellCommandForUninstallingWithTag(string languageTag)
+    {
+        // $Capability = Get-WindowsCapability -Online | Where-Object { $_.Name -Like 'Language.OCR*en-US*' }
+        return $"$Capability = Get-WindowsCapability -Online | Where-Object {{ $_.Name -Like 'Language.OCR*{languageTag}*' }}; $Capability | Remove-WindowsCapability -Online";
+    }
+
+    public static readonly string[] AllLanguages = [
+        "ar-SA",
+        "bg-BG",
+        "bs-LATN-BA",
+        "cs-CZ",
+        "da-DK",
+        "de-DE",
+        "el-GR",
+        "en-GB",
+        "en-US",
+        "es-ES",
+        "es-MX",
+        "fi-FI",
+        "fr-CA",
+        "fr-FR",
+        "hr-HR",
+        "hu-HU",
+        "it-IT",
+        "ja-JP",
+        "ko-KR",
+        "nb-NO",
+        "nl-NL",
+        "pl-PL",
+        "pt-BR",
+        "pt-PT",
+        "ro-RO",
+        "ru-RU",
+        "sk-SK",
+        "sl-SI",
+        "sr-CYRL-RS",
+        "sr-LATN-RS",
+        "sv-SE",
+        "tr-TR",
+        "zh-CN",
+        "zh-HK",
+        "zh-TW",
+        ];
+}

Text-Grab/Views/AdminWindow.xaml

@@ -0,0 +1,72 @@
+<ui:FluentWindow
+    x:Class="Text_Grab.Views.AdminWindow"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:local="clr-namespace:Text_Grab.Views"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:ui="http://schemas.lepo.co/wpfui/2022/xaml"
+    Width="800"
+    Height="450"
+    Closed="Window_Closed"
+    mc:Ignorable="d">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+
+        <ui:TitleBar Title="Install Windows Languages (admin)" />
+        <ScrollViewer Grid.Row="1">
+            <Border>
+                <StackPanel Margin="40,20">
+                    <TextBlock Text="Welcome to Admin window!" />
+                    <StackPanel Margin="0,8,0,0" Orientation="Horizontal">
+                        <ComboBox
+                            x:Name="AllWindowsLanguagesComboBox"
+                            Width="300"
+                            IsEditable="True"
+                            IsTextSearchCaseSensitive="False"
+                            IsTextSearchEnabled="True">
+                            <ComboBox.ItemTemplate>
+                                <DataTemplate DataType="local:LangListItem">
+                                    <Grid>
+                                        <Grid.ColumnDefinitions>
+                                            <ColumnDefinition Width="*" />
+                                            <ColumnDefinition Width="2*" />
+                                        </Grid.ColumnDefinitions>
+                                        <TextBlock Margin="0,0,20,0" Text="{Binding LeftPart}" />
+                                        <TextBlock
+                                            Grid.Column="1"
+                                            Text="{Binding RightPart}"
+                                            TextAlignment="Left" />
+                                    </Grid>
+                                </DataTemplate>
+                            </ComboBox.ItemTemplate>
+                        </ComboBox>
+                        <Button Margin="12,0,0,0" Click="InstalWindowsLangButton_Click">
+                            <StackPanel Orientation="Horizontal">
+                                <ui:SymbolIcon Symbol="Shield24" />
+                                <TextBlock Margin="6,0,0,0" Text="Install" />
+                            </StackPanel>
+                        </Button>
+                    </StackPanel>
+
+                    <ProgressBar
+                        x:Name="DismProgressBar"
+                        Height="20"
+                        Margin="0,12,0,6"
+                        IsIndeterminate="False"
+                        Maximum="100"
+                        Visibility="Collapsed" />
+
+                    <Button x:Name="LoadLanguages" Click="LoadLanguages_Click">Load languages</Button>
+                    <TextBox
+                        x:Name="DismOutputTextBlock"
+                        Margin="0,12,0,6"
+                        Text="DISM Output:" />
+                </StackPanel>
+            </Border>
+        </ScrollViewer>
+    </Grid>
+</ui:FluentWindow>

Text-Grab/Views/AdminWindow.xaml.cs

@@ -0,0 +1,98 @@
+using Microsoft.Dism;
+using System;
+using System.Globalization;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+using Text_Grab.Pages;
+using Text_Grab.Utilities;
+
+namespace Text_Grab.Views;
+
+public partial class AdminWindow : Wpf.Ui.Controls.FluentWindow
+{
+    public AdminWindow()
+    {
+        InitializeComponent();
+
+        AllWindowsLanguagesComboBox.Items.Clear();
+        foreach (string textName in WindowsLanguageUtilities.AllLanguages)
+        {
+            CultureInfo languageCulture = new(textName);
+            string paddedTextName = textName.PadRight(12);
+            LangListItem langListItem = new()
+            {
+                LeftPart = paddedTextName,
+                RightPart = languageCulture.DisplayName
+            };
+            AllWindowsLanguagesComboBox.Items.Add(langListItem);
+        }
+
+        DismApi.Initialize(DismLogLevel.LogErrorsWarnings);
+    }
+
+    private void Window_Closed(object sender, EventArgs e)
+    {
+        DismApi.Shutdown();
+        Application.Current.Shutdown();
+    }
+
+    private async void InstalWindowsLangButton_Click(object sender, RoutedEventArgs e)
+    {
+        if (AllWindowsLanguagesComboBox.SelectedItem is not LangListItem pickedLanguageFile)
+            return;
+
+        using DismSession session = DismApi.OpenOnlineSession();
+
+        DismCapability? langToInstall = DismApi.GetCapabilities(session).FirstOrDefault(cap => cap.Name.Contains(pickedLanguageFile.LeftPart.Trim()));
+
+        if (langToInstall is null)
+        {
+            foreach (DismCapability cap in DismApi.GetCapabilities(session))
+                if (cap.Name.Contains("Language.OCR~~~"))
+                {
+                    DismOutputTextBlock.Text += $"{Environment.NewLine}Dism capability: {cap.Name}";
+
+                    if (cap.Name.Contains(pickedLanguageFile.LeftPart))
+                        DismOutputTextBlock.Text += $"<--- Found {pickedLanguageFile.LeftPart}";
+                }
+
+            DismOutputTextBlock.Text += $"{Environment.NewLine}Language: {pickedLanguageFile.LeftPart} not found.";
+            return;
+        }
+
+        DismProgressBar.Visibility = Visibility.Visible;
+
+        DismProgressCallback progressCallback = new(progress =>
+        {
+            DismProgressBar.Maximum = progress.Total;
+            DismProgressBar.Value = progress.Current;
+        });
+
+        await Task.Run(() =>
+        {
+            DismApi.AddCapability(session, langToInstall.Name, false, null, progressCallback, null);
+        });
+
+        DismProgressBar.Visibility = Visibility.Collapsed;
+    }
+
+    private void LoadLanguages_Click(object sender, RoutedEventArgs e)
+    {
+        using DismSession session = DismApi.OpenOnlineSession();
+
+        var caps = DismApi.GetCapabilities(session);
+
+        foreach (DismCapability cap in DismApi.GetCapabilities(session))
+        {
+            string capName = cap.Name;
+            if (!capName.StartsWith("Language.OCR~~~"))
+                continue;
+            if (cap.State != DismPackageFeatureState.Installed)
+                continue;
+            string localeName = capName["Language.OCR~~~".Length..capName.LastIndexOf('~')];
+            CultureInfo culture = new(localeName);
+            DismOutputTextBlock.Text += $"{Environment.NewLine}{localeName} - {culture.DisplayName} - {capName}";
+        }
+    }
+}