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Add ImNodes, ImPlot, and ImGuizmo addons from Hexa.NET.ImGui #132

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547afae
Add ImGuizmo, ImNodes, and ImPlot support to ImGuiAppDemo: Introduced…
matt-edmondson Jul 31, 2025
9b98156
Implement demo tabs for various ImGui features: Added BasicWidgetsDem…
matt-edmondson Jul 31, 2025
b740023
Update package references and refactor demo implementations: Added He…
matt-edmondson Jul 31, 2025
1430241
Refactor ImGuiApp to utilize ktsu.Semantics: Replaced ktsu.StrongPath…
matt-edmondson Jul 31, 2025
f1a543d
Enhance README.md with updated features and demo details: Added valid…
matt-edmondson Jul 31, 2025
f5ea729
Enhance ImGuiController with context management: Introduced SetupCont…
matt-edmondson Aug 1, 2025
1243f41
Refactor ImGuiApp to improve window management and visibility trackin…
matt-edmondson Aug 2, 2025
5618619
Enhance ImNodesDemo with physics simulation and improved node managem…
matt-edmondson Aug 2, 2025
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14 changes: 9 additions & 5 deletions Directory.Packages.props
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Expand Up @@ -9,9 +9,13 @@
<PrivateAssets>all</PrivateAssets>
</PackageVersion>
<PackageVersion Include="Hexa.NET.ImGui" Version="2.2.8.4" />
<PackageVersion Include="Hexa.NET.ImGuizmo" Version="2.2.8.4" />
<PackageVersion Include="Hexa.NET.ImNodes" Version="2.2.8.4" />
<PackageVersion Include="Hexa.NET.ImPlot" Version="2.2.8.4" />
<PackageVersion Include="ktsu.Invoker" Version="1.1.0" />
<PackageVersion Include="ktsu.ScopedAction" Version="1.1.2" />
<PackageVersion Include="ktsu.StrongPaths" Version="1.3.2" />
<PackageVersion Include="ktsu.Extensions" Version="1.5.6" />
<PackageVersion Include="ktsu.Semantics" Version="1.0.19" />
<PackageVersion Include="Silk.NET" Version="2.22.0" />
<PackageVersion Include="Silk.NET.Assimp" Version="2.22.0" />
<PackageVersion Include="Silk.NET.Direct3D12" Version="2.22.0" />
Expand All @@ -21,7 +25,7 @@
<PackageVersion Include="Silk.NET.OpenGLES" Version="2.22.0" />
<PackageVersion Include="Silk.NET.OpenXR" Version="2.22.0" />
<PackageVersion Include="Silk.NET.Windowing.Sdl" Version="2.22.0" />
<PackageVersion Include="SixLabors.ImageSharp" Version="3.1.10" />
<PackageVersion Include="SixLabors.ImageSharp" Version="3.1.11" />
<PackageVersion Include="System.Text.Json" Version="9.0.7" />
<!-- Test Dependencies -->
<PackageVersion Include="Moq" Version="4.20.72" />
Expand All @@ -33,11 +37,11 @@
<PackageVersion Include="Microsoft.Testing.Extensions.HotReload" Version="1.7.3" />
<PackageVersion Include="Microsoft.Testing.Extensions.Retry" Version="1.7.3" />
<PackageVersion Include="Microsoft.Testing.Extensions.TrxReport" Version="1.7.3" />
<PackageVersion Include="MSTest.TestAdapter" Version="3.9.3" />
<PackageVersion Include="MSTest.TestFramework" Version="3.9.3" />
<PackageVersion Include="MSTest.TestAdapter" Version="3.10.0" />
<PackageVersion Include="MSTest.TestFramework" Version="3.10.0" />
<PackageVersion Include="coverlet.msbuild" Version="6.0.4" />
<!-- SDK Dependencies -->
<PackageVersion Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />
<PackageVersion Include="Microsoft.SourceLink.AzureRepos.Git" Version="8.0.0" />
</ItemGroup>
</Project>
</Project>
5 changes: 3 additions & 2 deletions ImGuiApp.Test/AdvancedCoverageTests.cs
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Expand Up @@ -7,6 +7,7 @@ namespace ktsu.ImGuiApp.Test;
using System;
using Hexa.NET.ImGui;
using ktsu.ImGuiApp.ImGuiController;
using ktsu.Semantics;
using Microsoft.VisualStudio.TestTools.UnitTesting;

/// <summary>
Expand Down Expand Up @@ -179,8 +180,8 @@ public void ImGuiApp_WindowState_MultipleAccess_ReturnsConsistentValues()
[TestMethod]
public void ImGuiApp_Textures_MultipleAccess_ReturnsSameInstance()
{
System.Collections.Concurrent.ConcurrentDictionary<StrongPaths.AbsoluteFilePath, ImGuiAppTextureInfo> textures1 = ImGuiApp.Textures;
System.Collections.Concurrent.ConcurrentDictionary<StrongPaths.AbsoluteFilePath, ImGuiAppTextureInfo> textures2 = ImGuiApp.Textures;
System.Collections.Concurrent.ConcurrentDictionary<AbsoluteFilePath, ImGuiAppTextureInfo> textures1 = ImGuiApp.Textures;
System.Collections.Concurrent.ConcurrentDictionary<AbsoluteFilePath, ImGuiAppTextureInfo> textures2 = ImGuiApp.Textures;

// Should return the same collection instance
Assert.AreSame(textures1, textures2);
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2 changes: 1 addition & 1 deletion ImGuiApp.Test/ImGuiAppCoreTests.cs
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Expand Up @@ -6,7 +6,7 @@ namespace ktsu.ImGuiApp.Test;

using System.Collections.Concurrent;
using ktsu.Extensions;
using ktsu.StrongPaths;
using ktsu.Semantics;
using Microsoft.VisualStudio.TestTools.UnitTesting;

/// <summary>
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2 changes: 1 addition & 1 deletion ImGuiApp.Test/ImGuiAppDataStructureTests.cs
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Expand Up @@ -6,7 +6,7 @@ namespace ktsu.ImGuiApp.Test;

using System.Numerics;
using ktsu.Extensions;
using ktsu.StrongPaths;
using ktsu.Semantics;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Silk.NET.Windowing;

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4 changes: 1 addition & 3 deletions ImGuiApp.Test/ImGuiAppTests.cs
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Expand Up @@ -2,15 +2,13 @@
// All rights reserved.
// Licensed under the MIT license.

using Microsoft.VisualStudio.TestTools.UnitTesting;

[assembly: DoNotParallelize]

namespace ktsu.ImGuiApp.Test;

using System.Numerics;
using ktsu.Extensions;
using ktsu.StrongPaths;
using ktsu.Semantics;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Moq;
using Silk.NET.Core.Contexts;
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3 changes: 1 addition & 2 deletions ImGuiApp.Test/ImGuiAppWindowManagementTests.cs
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Expand Up @@ -5,8 +5,7 @@
namespace ktsu.ImGuiApp.Test;

using System.Numerics;

using ktsu.StrongPaths;
using ktsu.Semantics;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Moq;
using Silk.NET.Windowing;
Expand Down
2 changes: 1 addition & 1 deletion ImGuiApp/DebugLogger.cs
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Expand Up @@ -5,7 +5,7 @@
namespace ktsu.ImGuiApp;

using ktsu.Extensions;
using ktsu.StrongPaths;
using ktsu.Semantics;

/// <summary>
/// Simple file logger for debugging crashes
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2 changes: 1 addition & 1 deletion ImGuiApp/ImGuiApp.cs
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Expand Up @@ -15,7 +15,7 @@
using ktsu.ImGuiApp.ImGuiController;
using ktsu.Invoker;
using ktsu.ScopedAction;
using ktsu.StrongPaths;
using ktsu.Semantics;
using Silk.NET.Input;
using Silk.NET.OpenGL;
using Silk.NET.Windowing;
Expand All @@ -31,12 +31,12 @@
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Maintainability", "CA1506:AvoidExcessiveClassCoupling", Justification = "This class is the main entry point for the ImGui application and requires many dependencies. Consider refactoring in the future.")]
public static partial class ImGuiApp
{
internal static IWindow? window;

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internal static GL? gl;

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internal static ImGuiController.ImGuiController? controller;

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internal static IInputContext? inputContext;

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internal static OpenGLProvider? glProvider;

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internal static IntPtr currentGLContextHandle; // Track the current GL context handle

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internal static ImGuiAppWindowState LastNormalWindowState { get; set; } = new();

Expand All @@ -58,7 +58,7 @@
}

internal static ConcurrentDictionary<string, int> FontIndices { get; } = [];
internal static float lastFontScaleFactor;

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internal static readonly List<GCHandle> currentPinnedFontData = [];

/// <summary>
Expand Down Expand Up @@ -91,8 +91,8 @@
/// </summary>
public static bool IsIdle { get; private set; }

internal static DateTime lastInputTime = DateTime.UtcNow;

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internal static double targetFrameTimeMs = 1000.0 / 30.0; // Default to 30 FPS (33.33ms per frame)

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internal static readonly PidFrameLimiter frameLimiter = new();
internal static double previousTargetFrameTimeMs = 1000.0 / 30.0;

Expand Down Expand Up @@ -510,7 +510,7 @@
{
// Temporarily keep console window visible for debugging
// if (OperatingSystem.IsWindows())
// {

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// DebugLogger.Log("ImGuiApp.Start: Hiding console window");
// nint handle = NativeMethods.GetConsoleWindow();
// NativeMethods.ShowWindow(handle, SW_HIDE);
Expand Down
3 changes: 2 additions & 1 deletion ImGuiApp/ImGuiApp.csproj
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Expand Up @@ -7,9 +7,10 @@

<ItemGroup>
<PackageReference Include="Hexa.NET.ImGui" />
<PackageReference Include="ktsu.Extensions" />
<PackageReference Include="ktsu.Invoker" />
<PackageReference Include="ktsu.ScopedAction" />
<PackageReference Include="ktsu.StrongPaths" />
<PackageReference Include="ktsu.Semantics" />
<PackageReference Include="Silk.NET" />
<PackageReference Include="Silk.NET.Assimp" />
<PackageReference Include="Silk.NET.Direct3D12" />
Expand Down
2 changes: 1 addition & 1 deletion ImGuiApp/ImGuiAppTextureInfo.cs
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Expand Up @@ -4,7 +4,7 @@

namespace ktsu.ImGuiApp;
using Hexa.NET.ImGui;
using ktsu.StrongPaths;
using ktsu.Semantics;

/// <summary>
/// Represents information about a texture, including its file path, texture ID, width, and height.
Expand Down
17 changes: 16 additions & 1 deletion ImGuiApp/ImGuiController/ImGuiController.cs
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Expand Up @@ -115,7 +115,16 @@ internal void Init(GL gl, IView view, IInputContext input)
_windowWidth = view.Size.X;
_windowHeight = view.Size.Y;

ImGui.CreateContext();
ImGuiContextPtr imguiContext = ImGui.CreateContext();

// Initialize ImGui extensions (ImGuizmo, ImNodes, ImPlot) if available
ImGuiExtensionManager.Initialize();

// Set the ImGui context for all extensions after context creation
ImGuiExtensionManager.SetImGuiContext(imguiContext);

// Create extension contexts and apply dark styles
ImGuiExtensionManager.CreateExtensionContexts();

ImGui.StyleColorsDark();
}
Expand All @@ -124,6 +133,9 @@ internal void BeginFrame()
{
ImGui.NewFrame();
_frameBegun = true;

// Call BeginFrame for all detected ImGui extensions
ImGuiExtensionManager.BeginFrame();
_keyboard = _input?.Keyboards[0];
_mouse = _input?.Mice[0];
if (_view is not null)
Expand Down Expand Up @@ -933,6 +945,9 @@ protected virtual void Dispose(bool disposing)
_fontTexture.Dispose();
_shader.Dispose();

// Cleanup extension contexts before destroying ImGui context
ImGuiExtensionManager.Cleanup();

ImGui.DestroyContext();
}
}
Expand Down
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