Work on creating a simple message box dialog.

Dashboard.Common/Pal/Application.cs

@@ -4,7 +4,7 @@ using BindingFlags = System.Reflection.BindingFlags;
 
 namespace Dashboard.Pal
 {
-    public abstract class AppContext : IContextBase<AppContext, IAppContextExtension>
+    public abstract class Application : IContextBase<Application, IApplicationExtension>
     {
         public abstract string DriverName { get; }
         public abstract string DriverVendor { get; }
@@ -16,12 +16,17 @@ namespace Dashboard.Pal
         public bool IsDisposed { get; private set; } = false;
         public IContextDebugger? Debugger { get; set; }
 
-        private readonly TypeDictionary<IAppContextExtension> _extensions =
+        private readonly TypeDictionary<IApplicationExtension> _extensions =
-            new TypeDictionary<IAppContextExtension>(true);
+            new TypeDictionary<IApplicationExtension>(true);
-        private readonly TypeDictionary<IAppContextExtension, Func<IAppContextExtension>> _preloadedExtensions =
+        private readonly TypeDictionary<IApplicationExtension, Func<IApplicationExtension>> _preloadedExtensions =
-            new TypeDictionary<IAppContextExtension, Func<IAppContextExtension>>(true);
+            new TypeDictionary<IApplicationExtension, Func<IApplicationExtension>>(true);
 
-        ~AppContext()
+        public Application()
+        {
+            Current = this;
+        }
+
+        ~Application()
         {
             InvokeDispose(false);
         }
@@ -83,19 +88,32 @@ namespace Dashboard.Pal
                 window.WindowManager = wm;
                 return window;
             }
+
+            public IWindow CreateDialogWindow(IWindow? parent = null)
+            {
+                if (parent is IVirtualWindow virtualWindow)
+                {
+                    IWindow? window = virtualWindow.WindowManager?.CreateWindow();
+
+                    if (window != null)
+                        return window;
+                }
+
+                return CreatePhysicalWindow();
+            }
         #endregion
 
-        public bool IsExtensionAvailable<T>() where T : IAppContextExtension
+        public bool IsExtensionAvailable<T>() where T : IApplicationExtension
         {
             return _extensions.Contains<T>() || _preloadedExtensions.Contains<T>();
         }
 
-        public bool ExtensionPreload<T>() where T : IAppContextExtension, new()
+        public bool ExtensionPreload<T>() where T : IApplicationExtension, new()
         {
             return _preloadedExtensions.Add<T>(() => new T());
         }
 
-        public T ExtensionRequire<T>() where T : IAppContextExtension
+        public T ExtensionRequire<T>() where T : IApplicationExtension
         {
             T? extension = default;
 
@@ -107,7 +125,7 @@ namespace Dashboard.Pal
                 if (_extensions.TryGet(out extension))
                     return extension;
 
-                if (_preloadedExtensions.Remove<T>(out Func<IAppContextExtension>? loader))
+                if (_preloadedExtensions.Remove<T>(out Func<IApplicationExtension>? loader))
                 {
                     extension = (T)loader!();
                 }
@@ -128,7 +146,7 @@ namespace Dashboard.Pal
         {
             if (!isDisposing) return;
 
-            foreach (IAppContextExtension extension in _extensions)
+            foreach (IApplicationExtension extension in _extensions)
             {
                 extension.Dispose();
             }
@@ -145,5 +163,12 @@ namespace Dashboard.Pal
         }
 
         public void Dispose() => InvokeDispose(true);
+
+        [ThreadStatic] private static Application _current;
+        public static Application Current
+        {
+            get => _current ?? throw new InvalidOperationException("There is currently no current application.");
+            set => _current = value;
+        }
     }
 }

Dashboard.Common/Pal/DeviceContext.cs

@@ -10,6 +10,9 @@ namespace Dashboard.Pal
         private readonly TypeDictionary<IDeviceContextExtension, Func<IDeviceContextExtension>> _preloadedExtensions =
             new TypeDictionary<IDeviceContextExtension, Func<IDeviceContextExtension>>(true);
 
+        private Dictionary<string, object> _attributes = new Dictionary<string, object>();
+
+
         public abstract string DriverName { get; }
         public abstract string DriverVendor { get; }
         public abstract Version DriverVersion { get; }
@@ -72,6 +75,29 @@ namespace Dashboard.Pal
             return extension;
         }
 
+        public void SetAttribute(string name, object? v)
+        {
+            if (v != null)
+                _attributes[name] = v;
+            else
+                _attributes.Remove(name);
+        }
+
+        public void SetAttribute<T>(string name, T v) => SetAttribute(name, (object?)v);
+
+        public object? GetAttribute(string name)
+        {
+            return _attributes.GetValueOrDefault(name);
+        }
+
+        public T? GetAttribute<T>(string name)
+        {
+            object? o = GetAttribute(name);
+            if (o != null)
+                return (T?)o;
+            return default;
+        }
+
         /// <summary>
         /// Implement your dispose in this function.
         /// </summary>

Dashboard.Common/Pal/IAppContextExtension.cs

@@ -1,7 +0,0 @@
-namespace Dashboard.Pal
-{
-    public interface IAppContextExtension : IContextExtensionBase<AppContext>
-    {
-
-    }
-}

Dashboard.Common/Pal/IApplicationExtension.cs

@@ -0,0 +1,7 @@
+namespace Dashboard.Pal
+{
+    public interface IApplicationExtension : IContextExtensionBase<Application>
+    {
+
+    }
+}

Dashboard.Common/Windowing/IWindow.cs

@@ -50,6 +50,7 @@ namespace Dashboard.Windowing
     /// </summary>
     public interface IVirtualWindow : IWindow, IEventListener
     {
+        IWindowManager? WindowManager { get; set; }
     }
 
     /// <summary>

Dashboard.OpenGL/Pal/GLTextureExtension.cs

@@ -98,6 +98,11 @@ namespace Dashboard.Drawing.OpenGL.Pal
                 return;
             }
 
+            if (levels == 0)
+            {
+                levels = Math.Max(Math.ILogB(width), Math.ILogB(height));
+            }
+
             Bind();
             SizedInternalFormat glFormat = GetFormat(format);
             if (Extension.SupportsArbTextureStorage)
@@ -122,18 +127,23 @@ namespace Dashboard.Drawing.OpenGL.Pal
                 switch (Type)
                 {
                     case TextureType.Texture1D:
-                        GL.TexImage1D(Target, 0, (InternalFormat)glFormat, width, 0, (OGL.PixelFormat)glFormat, PixelType.Byte, IntPtr.Zero);
+                        GL.TexImage1D(Target, 0, (InternalFormat)glFormat, width, 0, (OGL.PixelFormat)glFormat, PixelType.UnsignedByte, IntPtr.Zero);
                         break;
                     case TextureType.Texture2D:
-                        GL.TexImage2D(Target, 0, (InternalFormat)glFormat, width, height, 0, (OGL.PixelFormat)glFormat, PixelType.Byte, IntPtr.Zero);
+                        GL.TexImage2D(Target, 0, (InternalFormat)glFormat, width, height, 0, (OGL.PixelFormat)glFormat, PixelType.UnsignedByte, IntPtr.Zero);
                         break;
                     case TextureType.Texture3D:
                     case TextureType.Texture2DArray:
                     case TextureType.Texture2DCube:
-                        GL.TexImage3D(Target, 0, (InternalFormat)glFormat, width, height, depth, 0, (OGL.PixelFormat)glFormat, PixelType.Byte, IntPtr.Zero);
+                        GL.TexImage3D(Target, 0, (InternalFormat)glFormat, width, height, depth, 0, (OGL.PixelFormat)glFormat, PixelType.UnsignedByte, IntPtr.Zero);
                         break;
                 }
             }
+
+            Width = width;
+            Height = height;
+            Depth = depth;
+            Levels = levels;
         }
 
         public void Read<T>(Span<T> buffer, int level = 0, int align = 0) where T : unmanaged
@@ -160,7 +170,7 @@ namespace Dashboard.Drawing.OpenGL.Pal
 
             PixelType glType = format switch
             {
-                PixelFormat.R8I or PixelFormat.Rg8I or PixelFormat.Rgb8I or PixelFormat.Rgba8I => PixelType.Byte,
+                PixelFormat.R8I or PixelFormat.Rg8I or PixelFormat.Rgb8I or PixelFormat.Rgba8I => PixelType.UnsignedByte,
                 PixelFormat.R16F or PixelFormat.Rg16F or PixelFormat.Rgb16F or PixelFormat.Rgba16F => PixelType.HalfFloat,
                 _ => throw new NotSupportedException()
             };

Dashboard.OpenTK/PAL2/Pal2Application.cs

@@ -1,13 +1,13 @@
 using Dashboard.Drawing.OpenGL.Pal;
+using Dashboard.Pal;
 using Dashboard.Windowing;
 using OpenTK.Graphics;
 using OpenTK.Platform;
-using AppContext = Dashboard.Pal.AppContext;
 using TK = OpenTK.Platform.Toolkit;
 
 namespace Dashboard.OpenTK.PAL2
 {
-    public class Pal2AppContext : AppContext
+    public class Pal2Application : Application
     {
         public override string DriverName => "Dashboard OpenTK PAL2.0 Driver";
         public override string DriverVendor => "Dashboard";

Dashboard/Controls/Control.cs

@@ -6,17 +6,30 @@ namespace Dashboard.Controls
 {
     public class Control : IEventListener, IDisposable
     {
+        private Form? _owner = null;
+
         public string? Id { get; set; }
         public ClassSet Classes { get; }
-        public Form? Owner { get; protected set; } = null;
+        public Form Owner
+        {
+            get => _owner ?? throw NoOwnerException;
+            protected set
+            {
+                _owner = value;
+                OnOwnerChanged(value);
+            }
+        }
+
         public Control? Parent { get; private set; } = null;
         public bool Disposed { get; private set; }
-        public virtual DrawQueue DrawQueue => Owner?.DrawQueue ?? throw NoOwnerException;
         public virtual Box2d ClientArea { get; set; }
+        public bool IsFocused => _owner?.FocusedControl == this;
 
         public event EventHandler? Painting;
         public event EventHandler? OwnerChanged;
         public event EventHandler? ParentChanged;
+        public event EventHandler? FocusGained;
+        public event EventHandler? FocusLost;
         public event EventHandler? Disposing;
         public event EventHandler? Resized;
 
@@ -49,6 +62,7 @@ namespace Dashboard.Controls
 
         protected virtual void Dispose(bool disposing)
         {
+            if (disposing) Disposing?.Invoke(this, EventArgs.Empty);
         }
 
         public void Dispose() => InvokeDispose(true);
@@ -61,6 +75,42 @@ namespace Dashboard.Controls
         internal static void SetParent(Control parent, Control child)
         {
             child.Parent = parent;
+            child.ParentChanged?.Invoke(child, EventArgs.Empty);
+        }
+
+        public virtual void Focus()
+        {
+            (Owner ?? throw NoOwnerException).Focus(this);
+        }
+
+        protected virtual void OnFocusGained(object sender)
+        {
+            FocusGained?.Invoke(sender, EventArgs.Empty);
+        }
+
+        protected virtual void OnFocusLost(object sender)
+        {
+            FocusLost?.Invoke(sender, EventArgs.Empty);
+        }
+
+        internal static void InvokeFocusGained(Form form, Control control)
+        {
+            control.OnFocusGained(form);
+        }
+
+        internal static void InvokeFocusLost(Form form, Control control)
+        {
+            control.OnFocusLost(form);
+        }
+
+        protected virtual void OnResize()
+        {
+            Resized?.Invoke(this, EventArgs.Empty);
+        }
+
+        private void OnOwnerChanged(Form value)
+        {
+            OwnerChanged?.Invoke(this, EventArgs.Empty);
         }
 
         protected static Exception NoOwnerException => new Exception("No form owns this control");

Dashboard/Controls/Form.cs

@@ -1,4 +1,6 @@
+using System;
 using Dashboard.Drawing;
+using Dashboard.Resources;
 using Dashboard.Windowing;
 
 namespace Dashboard.Controls
@@ -7,6 +9,10 @@ namespace Dashboard.Controls
     {
         public IWindow Window { get; }
 
+        public Image? WindowIcon { get; set; }
+        public string? Title { get; set; } = "Untitled Form";
+        public Control? FocusedControl { get; private set; } = null;
+
         public override Box2d ClientArea
         {
             get => new Box2d(0, 0, Window.ClientSize.Width, Window.ClientSize.Height);
@@ -17,5 +23,15 @@ namespace Dashboard.Controls
         {
             Window = window;
         }
+
+
+        public void Focus(Control control)
+        {
+            if (FocusedControl != null)
+                InvokeFocusLost(this, FocusedControl);
+
+            FocusedControl = control;
+            InvokeFocusGained(this, control);
+        }
     }
 }

Dashboard/Controls/Label.cs

@@ -30,7 +30,7 @@ namespace Dashboard.Controls
         public override void OnPaint()
         {
             base.OnPaint();
-            DrawQueue.Text(new Vector3(ClientArea.Min, 0), TextBrush, Text, Font);
+            // DrawQueue.Text(new Vector3(ClientArea.Min, 0), TextBrush, Text, Font);
         }
     }
 }

Dashboard/Controls/MessageBox.cs

@@ -0,0 +1,138 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Collections.ObjectModel;
+using System.IO;
+using System.Reflection;
+using Dashboard.Resources;
+using Dashboard.Windowing;
+
+namespace Dashboard.Controls
+{
+    public enum MessageBoxIcon
+    {
+        Info,
+        Question,
+        Warning,
+        Error,
+        Custom,
+    }
+
+    public enum MessageBoxButtons
+    {
+        AbortRetryIgnore,
+        CancelRetryContinue,
+        Ok,
+        OkCancel,
+        RetryCancel,
+        YesNo,
+        YesNoCancel,
+        Custom,
+    }
+
+    /// <summary>
+    /// A simple message box dialog.
+    /// </summary>
+    public class MessageBox : Form
+    {
+        private Image? _icon;
+        private Label  _label = new Label();
+        private readonly List<Label> _buttons = new List<Label>();
+
+        public MessageBoxIcon Icon { get; set; }
+        public Image? CustomImage { get; set; }
+        public string? Message { get; set; }
+        public MessageBoxButtons Buttons { get; set; }
+        public ObservableCollection<string> CustomButtons { get; } = new ObservableCollection<string>();
+        public int Result { get; private set; }
+
+        public MessageBox(IWindow window) : base(window)
+        {
+            SetParent(this, _label);
+        }
+
+        public static readonly Image s_questionIcon;
+        public static readonly Image s_infoIcon;
+        public static readonly Image s_warningIcon;
+        public static readonly Image s_errorIcon;
+
+        private static readonly ImmutableList<string> s_abortRetryContinue  = ["Abort", "Retry", "Continue"];
+        private static readonly ImmutableList<string> s_cancelRetryContinue = ["Cancel", "Retry", "Continue"];
+        private static readonly ImmutableList<string> s_ok = ["OK"];
+        private static readonly ImmutableList<string> s_okCancel = ["OK", "Cancel"];
+        private static readonly ImmutableList<string> s_retryCancel = ["Retry", "Cancel"];
+        private static readonly ImmutableList<string> s_yesNo = ["Yes", "No"];
+        private static readonly ImmutableList<string> s_yesNoCancel = ["Yes", "No", "Cancel"];
+
+        static MessageBox()
+        {
+            Assembly asm = typeof(MessageBox).Assembly;
+            using (Stream str = asm.GetManifestResourceStream("Dashboard.Resources.question.png")!)
+                s_questionIcon = Image.Load(str);
+            using (Stream str = asm.GetManifestResourceStream("Dashboard.Resources.info.png")!)
+                s_infoIcon = Image.Load(str);
+            using (Stream str = asm.GetManifestResourceStream("Dashboard.Resources.warning.png")!)
+                s_warningIcon = Image.Load(str);
+            using (Stream str = asm.GetManifestResourceStream("Dashboard.Resources.error.png")!)
+                s_errorIcon = Image.Load(str);
+        }
+
+        public override void OnPaint()
+        {
+            base.OnPaint();
+        }
+
+        public static MessageBox Create(IWindow window, string message, string title, MessageBoxIcon icon, MessageBoxButtons buttons)
+        {
+            return new MessageBox(window)
+            {
+                Message = message,
+                Title = title,
+                Icon = icon,
+                Buttons = buttons,
+            };
+        }
+
+        // public static MessageBox Create(IWindow window, string message, string title, Image icon, IEnumerable<string> buttons)
+        // {
+        //     throw new NotImplementedException();
+        // }
+
+        private static string GetDefaultTitle(MessageBoxIcon icon)
+        {
+            return icon switch
+            {
+                MessageBoxIcon.Error => "Error",
+                MessageBoxIcon.Info => "Info",
+                MessageBoxIcon.Question => "Question",
+                MessageBoxIcon.Warning => "Warning",
+                _ => "Message Box",
+            };
+        }
+
+        private static Image GetDefaultIcon(MessageBoxIcon icon)
+        {
+            return icon switch
+            {
+                MessageBoxIcon.Error => s_errorIcon,
+                MessageBoxIcon.Question => s_questionIcon,
+                MessageBoxIcon.Warning => s_warningIcon,
+                _ => s_infoIcon,
+            };
+        }
+
+        private static ImmutableList<string> GetDefaultButtons(MessageBoxButtons buttons)
+        {
+            return buttons switch
+            {
+                MessageBoxButtons.AbortRetryIgnore => s_abortRetryContinue,
+                MessageBoxButtons.CancelRetryContinue => s_cancelRetryContinue,
+                MessageBoxButtons.OkCancel => s_okCancel,
+                MessageBoxButtons.RetryCancel => s_retryCancel,
+                MessageBoxButtons.YesNo => s_yesNo,
+                MessageBoxButtons.YesNoCancel => s_yesNoCancel,
+                _ => s_ok,
+            };
+        }
+    }
+}

Dashboard/Dashboard.csproj

@@ -9,6 +9,11 @@
   <ItemGroup>
     <ProjectReference Include="..\Dashboard.Common\Dashboard.Common.csproj" />
     <ProjectReference Include="..\Dashboard.Drawing\Dashboard.Drawing.csproj" />
+    <EmbeddedResource Include="Resources\**\*.png"/>
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="ReFuel.StbImage" Version="2.1.0" />
   </ItemGroup>
 
 </Project>

Dashboard/Resources/Image.cs

@@ -0,0 +1,81 @@
+using System;
+using System.IO;
+using System.Runtime.CompilerServices;
+using Dashboard.Drawing;
+using Dashboard.Pal;
+using ReFuel.Stb;
+using ReFuel.Stb.Native;
+
+namespace Dashboard.Resources
+{
+    public class Image(PixelFormat format, int width, int height, byte[] data, bool premultiplied = false) : IDisposable
+    {
+        protected readonly ConditionalWeakTable<DeviceContext, ITexture> Textures =
+            new ConditionalWeakTable<DeviceContext, ITexture>();
+
+        protected virtual TextureType TextureType => TextureType.Texture2D;
+        public PixelFormat Format { get; } = format;
+        public int Width { get; } = width;
+        public int Height { get; } = height;
+        public bool Premultiplied { get; } = premultiplied;
+
+        public bool IsDisposed { get; private set; } = false;
+
+        ~Image()
+        {
+            InvokeDispose(false);
+        }
+
+        public virtual ITexture InternTexture(DeviceContext dc)
+        {
+            if (Textures.TryGetValue(dc, out ITexture? texture))
+                return texture;
+
+            ITextureExtension ext = dc.ExtensionRequire<ITextureExtension>();
+            texture = ext.CreateTexture(TextureType.Texture2D);
+            texture.SetStorage(Format, Width, Height, 1, 0);
+            texture.Write<byte>(Format, data);
+            texture.Premultiplied = Premultiplied;
+            texture.GenerateMipmaps();
+            Textures.Add(dc, texture);
+
+            return texture;
+        }
+
+        private void InvokeDispose(bool disposing)
+        {
+            if (IsDisposed)
+                return;
+            IsDisposed = true;
+
+            Dispose(disposing);
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+            foreach ((DeviceContext dc, ITexture texture) in Textures)
+            {
+                texture.Dispose();
+            }
+        }
+
+        public void Dispose() => InvokeDispose(true);
+
+        public static Image Load(Stream stream)
+        {
+            using StbImage image = StbImage.Load(stream, StbiImageFormat.Rgba);
+            ReadOnlySpan<byte> data = image.AsSpan<byte>();
+            return new Image(
+                image.Format switch
+                {
+                    StbiImageFormat.Grey => PixelFormat.R8I,
+                    StbiImageFormat.Rgb => PixelFormat.Rgb8I,
+                    StbiImageFormat.Rgba => PixelFormat.Rgba8I,
+                    // StbiImageFormat.GreyAlpha) => PixelFormat.Rg8I,
+                    _ => throw new Exception("Unrecognized pixel format"),
+                },
+                image.Width, image.Height,
+                data.ToArray());
+        }
+    }
+}

Dashboard/Resources/error.svg

@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="48"
+   height="48"
+   viewBox="0 0 12.7 12.7"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.4.2 (ebf0e940d0, 2025-05-08)"
+   sodipodi:docname="error.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="px"
+     inkscape:zoom="6.0664802"
+     inkscape:cx="-5.7694081"
+     inkscape:cy="25.962336"
+     inkscape:window-width="2560"
+     inkscape:window-height="1364"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1"
+     showguides="true">
+    <sodipodi:guide
+       position="6.3500001,12.7"
+       orientation="-1,0"
+       id="guide1"
+       inkscape:locked="false"
+       inkscape:label=""
+       inkscape:color="rgb(0,134,229)" />
+    <sodipodi:guide
+       position="3.705891,12.686148"
+       orientation="-1,0"
+       id="guide2"
+       inkscape:label=""
+       inkscape:locked="false"
+       inkscape:color="rgb(0,134,229)" />
+  </sodipodi:namedview>
+  <defs
+     id="defs1" />
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <path
+       sodipodi:type="star"
+       style="fill:#ff0000;stroke:#d60000;stroke-width:1;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1"
+       id="path1"
+       inkscape:flatsided="true"
+       sodipodi:sides="8"
+       sodipodi:cx="6.3499999"
+       sodipodi:cy="6.3499999"
+       sodipodi:r1="6.8657174"
+       sodipodi:r2="8.2966747"
+       sodipodi:arg1="1.9608592"
+       sodipodi:arg2="2.3535583"
+       inkscape:rounded="0"
+       inkscape:randomized="0"
+       d="M 3.7393344,12.7 0.01385251,8.9941088 -2.0290497e-7,3.7393344 3.705891,0.01385251 8.9606654,-2.0290497e-7 12.686147,3.705891 12.7,8.9606654 8.9941088,12.686147 Z"
+       transform="matrix(0.92700733,0,0,0.92700733,0.46350342,0.46350342)" />
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:9.87777px;line-height:normal;font-family:'Rec Mono Linear';-inkscape-font-specification:'Rec Mono Linear Bold';text-align:center;text-decoration-color:#000000;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;direction:ltr;text-orientation:upright;text-anchor:middle;fill:#ffffff;stroke:none;stroke-width:0.600001"
+       x="6.3154373"
+       y="9.0071211"
+       id="text1"><tspan
+         sodipodi:role="line"
+         id="tspan1"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-family:'Rec Mono Linear';-inkscape-font-specification:'Rec Mono Linear Bold';fill:#ffffff;stroke-width:0.6"
+         x="6.3154373"
+         y="9.0071211">x</tspan></text>
+  </g>
+</svg>

Dashboard/Resources/info.svg

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="48"
+   height="48"
+   viewBox="0 0 12.7 12.7"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.4.2 (ebf0e940d0, 2025-05-08)"
+   sodipodi:docname="info.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="px"
+     inkscape:zoom="15.987983"
+     inkscape:cx="14.823634"
+     inkscape:cy="21.234699"
+     inkscape:window-width="2560"
+     inkscape:window-height="1364"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1" />
+  <defs
+     id="defs1" />
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <rect
+       style="fill:#00b200;fill-opacity:1;stroke:#009900;stroke-width:0.573001;stroke-dasharray:none;stroke-opacity:1"
+       id="rect1"
+       width="12.127"
+       height="12.127"
+       x="0.28650019"
+       y="0.28650019"
+       rx="1.0105833"
+       ry="1.0105834" />
+    <text
+       xml:space="preserve"
+       style="font-style:italic;font-size:9.87777px;line-height:normal;font-family:'Rec Mono Linear';-inkscape-font-specification:'Rec Mono Linear Italic';text-align:center;text-decoration-color:#000000;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;direction:ltr;text-orientation:upright;text-anchor:middle;fill:#f9f9f9;stroke:none;stroke-width:0.600001"
+       x="6.3351822"
+       y="10.172698"
+       id="text1"><tspan
+         sodipodi:role="line"
+         id="tspan1"
+         style="font-style:italic;font-variant:normal;font-weight:bold;font-stretch:normal;font-family:'Rec Mono Linear';-inkscape-font-specification:'Rec Mono Linear Bold Italic';fill:#f9f9f9;stroke-width:0.6"
+         x="6.3351822"
+         y="10.172698">i</tspan></text>
+  </g>
+</svg>

Dashboard/Resources/question.svg

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="48"
+   height="48"
+   viewBox="0 0 12.7 12.7"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.4.2 (ebf0e940d0, 2025-05-08)"
+   sodipodi:docname="question.svg"
+   xml:space="preserve"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"><sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="px"
+     inkscape:zoom="6.4560796"
+     inkscape:cx="12.701206"
+     inkscape:cy="14.172688"
+     inkscape:window-width="2560"
+     inkscape:window-height="1364"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1"
+     showguides="true"><sodipodi:guide
+       position="6.3500001,12.7"
+       orientation="-1,0"
+       id="guide1"
+       inkscape:locked="false"
+       inkscape:label=""
+       inkscape:color="rgb(0,134,229)" /><sodipodi:guide
+       position="3.705891,12.686148"
+       orientation="-1,0"
+       id="guide2"
+       inkscape:label=""
+       inkscape:locked="false"
+       inkscape:color="rgb(0,134,229)" /></sodipodi:namedview><defs
+     id="defs1" /><g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"><circle
+       style="fill:#0000ff;stroke:#0000cc;stroke-width:0.9271;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1"
+       id="path2"
+       cx="6.3500004"
+       cy="6.3500004"
+       r="5.8864961" /><text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:9.87777px;line-height:normal;font-family:'Rec Mono Linear';-inkscape-font-specification:'Rec Mono Linear Bold';text-align:center;text-decoration-color:#000000;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;direction:ltr;text-orientation:upright;text-anchor:middle;fill:#ffffff;stroke:none;stroke-width:0.600001"
+       x="6.2907381"
+       y="9.8615408"
+       id="text1"><tspan
+         sodipodi:role="line"
+         id="tspan1"
+         style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-family:'Rec Mono Linear';-inkscape-font-specification:'Rec Mono Linear Bold';fill:#ffffff;stroke-width:0.6"
+         x="6.2907381"
+         y="9.8615408">?</tspan></text></g></svg>

Dashboard/Resources/warning.svg

@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="48"
+   height="48"
+   viewBox="0 0 12.7 12.7"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.4.2 (ebf0e940d0, 2025-05-08)"
+   sodipodi:docname="warning.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="px"
+     inkscape:zoom="1"
+     inkscape:cx="23"
+     inkscape:cy="24.5"
+     inkscape:window-width="2560"
+     inkscape:window-height="1364"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1"
+     showguides="true">
+    <sodipodi:guide
+       position="6.3500001,12.7"
+       orientation="-1,0"
+       id="guide1"
+       inkscape:locked="false"
+       inkscape:label=""
+       inkscape:color="rgb(0,134,229)" />
+  </sodipodi:namedview>
+  <defs
+     id="defs1" />
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <path
+       style="fill:#ffcc00;stroke:#ffbb00;stroke-width:0.9271;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:none;stroke-opacity:1"
+       d="M 0.46350557,12.236497 6.3500001,0.46350801 12.236494,12.236497 Z"
+       id="path1"
+       sodipodi:nodetypes="cccc" />
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:9.87777px;line-height:normal;font-family:'Rec Mono Linear';-inkscape-font-specification:'Rec Mono Linear Bold';text-align:center;text-decoration-color:#000000;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;direction:ltr;text-orientation:upright;text-anchor:middle;fill:#ffcc00;stroke:none;stroke-width:0.600001"
+       x="6.2858014"
+       y="10.821102"
+       id="text1"><tspan
+         sodipodi:role="line"
+         id="tspan1"
+         style="fill:#000000;stroke-width:0.6;-inkscape-font-specification:'Rec Mono Linear Bold';font-family:'Rec Mono Linear';font-weight:bold;font-style:normal;font-stretch:normal;font-variant:normal"
+         x="6.2858014"
+         y="10.821102">!</tspan></text>
+  </g>
+</svg>

tests/Dashboard.TestApplication/Program.cs

@@ -10,10 +10,13 @@ using OpenTK.Mathematics;
 using Box2d = Dashboard.Box2d;
 using TK = OpenTK.Platform.Toolkit;
 using Dashboard;
+using Dashboard.Controls;
 using Dashboard.Drawing.OpenGL.Pal;
+using Dashboard.Pal;
 using Dashboard.Windowing;
 using OpenTK.Windowing.GraphicsLibraryFramework;
-using AppContext = Dashboard.Pal.AppContext;
+using ReFuel.Stb;
+using Image = Dashboard.Resources.Image;
 using Vector4 = System.Numerics.Vector4;
 
 TK.Init(new ToolkitOptions()
@@ -27,7 +30,7 @@ TK.Init(new ToolkitOptions()
     FeatureFlags = ToolkitFlags.EnableOpenGL,
 });
 
-AppContext app = new Pal2AppContext()
+Application app = new Pal2Application()
 {
     GraphicsApiHints = new OpenGLGraphicsApiHints()
     {
@@ -106,6 +109,8 @@ EventQueue.EventRaised += (handle, type, eventArgs) =>
 TK.Window.SetMode(window.WindowHandle, WindowMode.Normal);
 // font = Typesetter.LoadFont("Nimbus Mono", 12f);
 
+foreach (string str in typeof(Image).Assembly.GetManifestResourceNames()) Console.WriteLine(str);
+
 window.Painting += (sender, ea) => {
         TK.Window.GetSize(window.WindowHandle, out Vector2i size);
         // executor.BeginFrame();
@@ -173,6 +178,8 @@ window.Painting += (sender, ea) => {
         GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
         GL.ColorMask(true, true, true, true);
 
+        ITexture texture = MessageBox.s_questionIcon.InternTexture(context);
+
         // executor.Draw(window.DrawQueue, new RectangleF(0, 0, size.X, size.Y), 1.5f /*(window as IDpiAwareWindow)?.Scale ?? 1*/);
         // executor.EndFrame();