TerminalUI theming, Commands panel

src/Library/TerminalUI.Examples/Controls/ProgressBarExamples.cs

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+using TerminalUI.Color;
+using TerminalUI.ConsoleDrivers;
+using TerminalUI.Controls;
+using TerminalUI.Models;
+
+namespace TerminalUI.Examples.Controls;
+
+public class ProgressBarExamples
+{
+    private readonly IApplicationContext _applicationContext;
+    private static readonly IConsoleDriver _driver;
+
+    static ProgressBarExamples()
+    {
+        _driver = new DotnetDriver();
+        _driver.Init();
+    }
+
+    public ProgressBarExamples(IApplicationContext applicationContext)
+    {
+        _applicationContext = applicationContext;
+    }
+
+    public void LoadingExample()
+    {
+        var progressBar = CreateProgressBar<object>(0);
+        for (var i = 0; i < 100; i++)
+        {
+            progressBar.Value = i;
+            RenderProgressBar(progressBar, new Position(0, 0));
+            Thread.Sleep(100);
+        }
+    }
+
+    public void PaletteExample()
+    {
+        RenderProgressBar(CreateProgressBar<object>(100), new Position(0, 0));
+        for (var i = 0; i < 10; i++)
+        {
+            RenderProgressBar(CreateProgressBar<object>(10 * (i + 1)), new Position(0, i + 1));
+        }
+    }
+
+    private ProgressBar<T> CreateProgressBar<T>(int percent) =>
+        new()
+        {
+            Value = percent,
+            Attached = true,
+            ApplicationContext = _applicationContext
+        };
+
+    private void RenderProgressBar<T>(ProgressBar<T> progressBar, Position position)
+    {
+        var renderContext = new RenderContext(
+            _driver,
+            true,
+            null,
+            null,
+            new()
+        );
+        progressBar.Render(renderContext, position, new Size(10, 1));
+    }
+}

src/Library/TerminalUI.Examples/Mocks/MockRenderEngine.cs

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+using TerminalUI.Controls;
+
+namespace TerminalUI.Examples.Mocks;
+
+public class MockRenderEngine : IRenderEngine
+{
+    public void RequestRerender(IView view)
+    {
+    }
+
+    public void VisibilityChanged(IView view)
+    {
+    }
+
+    public void AddViewToPermanentRenderGroup(IView view)
+    {
+    }
+
+    public void Run()
+    {
+    }
+}

src/Library/TerminalUI.Examples/Program.cs

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+// See https://aka.ms/new-console-template for more information
+
+using Microsoft.Extensions.DependencyInjection;
+using TerminalUI;
+using TerminalUI.Color;
+using TerminalUI.DependencyInjection;
+using TerminalUI.Examples.Controls;
+using TerminalUI.Examples.Mocks;
+using TerminalUI.Styling;
+using TerminalUI.Styling.Controls;
+
+Console.OutputEncoding = System.Text.Encoding.UTF8;
+var services = new ServiceCollection()
+    .AddTerminalUi()
+    .AddSingleton<IRenderEngine, MockRenderEngine>();
+IServiceProvider provider = services.BuildServiceProvider();
+
+var applicationContext = provider.GetRequiredService<IApplicationContext>();
+applicationContext.Theme = new Theme
+{
+    ControlThemes = new ControlThemes
+    {
+        ProgressBar = new ProgressBarTheme
+        {
+            ForegroundColor = ConsoleColors.Foregrounds.Blue
+        }
+    }
+};
+
+Console.CursorVisible = false;
+new ProgressBarExamples(applicationContext).LoadingExample();
+Console.CursorVisible = true;

src/Library/TerminalUI.Examples/TerminalUI.Examples.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\TerminalUI.DependencyInjection\TerminalUI.DependencyInjection.csproj" />
+    <ProjectReference Include="..\TerminalUI\TerminalUI.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
+  </ItemGroup>
+
+</Project>