Write partial scan code translation table.

Dashboard.BlurgText/BlurgTextExtension.cs

@@ -155,6 +155,10 @@ namespace Dashboard.BlurgText
         protected BlurgFontProxy InternFont(IFont font)
         {
             BlurgTextExtension appExtension = Application.ExtensionRequire<BlurgTextExtension>();
+
+            if (font is Font xfont)
+                font = xfont.Base;
+
             if (font is FontInfo fontInfo)
             {
                 return (BlurgFontProxy)appExtension.Load(fontInfo);

Dashboard.Common/Drawing/Brush.cs

@@ -1,4 +1,5 @@
 using System.Drawing;
+using System.Numerics;
 
 namespace Dashboard.Drawing
 {
@@ -10,4 +11,15 @@ namespace Dashboard.Drawing
     {
         public Color Color { get; } = color;
     }
+
+    public class ImageBrush(Image image) : Brush
+    {
+        public Box2d TextureCoordinates { get; set; } = new Box2d(0, 0, 1, 1);
+    }
+
+    public class NinePatchImageBrush(Image image) : Brush
+    {
+        public Box2d CenterCoordinates { get; set; } = new Box2d(0, 0, 1, 1);
+        public Vector4 Extents { get; set; } = Vector4.Zero;
+    }
 }

Dashboard.Common/Events/KeyboardEvents.cs

@@ -34,7 +34,161 @@ namespace Dashboard.Events
 
     public enum ScanCode
     {
-        // TODO:
+        // This scan code table is based on the Win32 scan code table.
+        // See https://learn.microsoft.com/en-us/windows/win32/inputdev/about-keyboard-input
+        Error = 0xFF,
+        SystemPowerDown = 0xE05E,
+        SystemSleep = 0xE05F,
+        SystemWakeUp = 0xE063,
+
+        A = 0x1E,
+        B = 0x30,
+        C = 0x2E,
+        D = 0x20,
+        E = 0x12,
+        F = 0x21,
+        G = 0x22,
+        H = 0x23,
+        I = 0x17,
+        J = 0x24,
+        K = 0x25,
+        L = 0x26,
+        M = 0x32,
+        N = 0x31,
+        O = 0x18,
+        P = 0x19,
+        Q = 0x10,
+        R = 0x13,
+        S = 0x1F,
+        T = 0x14,
+        U = 0x16,
+        V = 0x2F,
+        W = 0x11,
+        X = 0x2D,
+        Y = 0x15,
+        Z = 0x2C,
+
+        D1 = 0x02,
+        D2 = 0x03,
+        D3 = 0x04,
+        D4 = 0x05,
+        D5 = 0x06,
+        D6 = 0x07,
+        D7 = 0x08,
+        D8 = 0x09,
+        D9 = 0x0A,
+        D0 = 0x0B,
+
+        Return = 0x1C,
+        Esc = 0x01,
+        Delete = 0x0E,
+        Tab = 0x0F,
+        Space = 0x39,
+        Dash = 0x0C,
+        Equals = 0x0D,
+        LBracket = 0x1A,
+        RBracket = 0x1B,
+        Backslash = 0x2B,
+        Semicolon = 0x27,
+        Apostrophe = 0x28,
+        Grave = 0x29,
+        Comma = 0x33,
+        Period = 0x34,
+        ForwardSlash = 0x35,
+        CapsLock = 0x3A,
+        F1 = 0x3B,
+        F2 = 0x3C,
+        F3 = 0x3D,
+        F4 = 0x3E,
+        F5 = 0x3F,
+        F6 = 0x40,
+        F7 = 0x41,
+        F8 = 0x42,
+        F9 = 0x43,
+        F10 = 0x44,
+        F11 = 0x45,
+        F12 = 0x46,
+        PrintScr = 0xE037,
+        ScrollLock = 0x46,
+        Pause = 0xE046,
+        Insert = 0xE052,
+        Home = 0xE047,
+        PageUp = 0xE049,
+        Backspace = 0xE053,
+        End = 0xE04F,
+        PageDown = 0xE051,
+        RightArrow = 0xE04D,
+        LeftArrow = 0xE04B,
+        DownArrow = 0xE050,
+        UpArrow = 0xE048,
+        NumLock = 0xE045,
+        NumDiv = 0xE035,
+        NumMul = 0x37,
+        NumSub = 0x4A,
+        NumAdd = 0x4E,
+        NumEnter = 0xE01C,
+        Num1 = 0x4F,
+        Num2 = 0x50,
+        Num3 = 0x51,
+        Num4 = 0x4B,
+        Num5 = 0x4C,
+        Num6 = 0x4D,
+        Num7 = 0x47,
+        Num8 = 0x48,
+        Num9 = 0x49,
+        Num0 = 0x52,
+        NumDecimal = 0x53,
+        NumBackslash = 0x56,
+        NumEquals = 0x59,
+        Application = 0xE05D,
+        F13 = 0x64,
+        F14 = 0x65,
+        F15 = 0x66,
+        F16 = 0x67,
+        F17 = 0x68,
+        F18 = 0x69,
+        F19 = 0x6A,
+        F20 = 0x6B,
+        F21 = 0x6C,
+        F22 = 0x6D,
+        F23 = 0x6E,
+        F24 = 0x76,
+        NumComma = 0x7E,
+        International1 = 0x73,
+        International2 = 0x70,
+        International3 = 0x7D,
+        International4 = 0x79,
+        International5 = 0x7B,
+        International6 = 0x5C,
+        Lang1 = 0x72,
+        Lang2 = 0x71,
+        Lang3 = 0x78,
+        Lang4 = 0x77,
+        LCtrl = 0x1D,
+        LShift = 0x2A,
+        LWin = 0xE05B,
+        LAlt = 0x38,
+        RAlt = 0xE038,
+        RWin = 0xE05C,
+        RCtrl = 0xE01D,
+        RShift = 0x36,
+        NextTrack = 0xE019,
+        PrevTrack = 0xE010,
+        Stop = 0xE024,
+        PlayPause = 0xE022,
+        VolUp = 0xE030,
+        VolDown = 0xE029,
+        Configuration = 0xE06D,
+        Email = 0xE06C,
+        Calculator = 0xE021,
+        Browser = 0xE06B,
+        Search = 0xE065,
+        HomePage = 0xE032,
+        Back = 0xE06A,
+        Forward = 0xE69,
+        Halt = 0xE068,
+        Refresh = 0xE67,
+        Bookmarks = 0xE066,
     }
 
     public class KeyboardButtonEventArgs(KeyCode keyCode, ScanCode scanCode, ModifierKeys modifierKeys, bool up)

Dashboard.Common/Pal/DeviceContext.cs

@@ -1,10 +1,10 @@
+using System.Numerics;
 using Dashboard.Collections;
 using Dashboard.Windowing;
-using BindingFlags = System.Reflection.BindingFlags;
 
 namespace Dashboard.Pal
 {
-    public abstract class DeviceContext : IContextBase<DeviceContext, IDeviceContextExtension>
+    public abstract class DeviceContext : IContextBase<DeviceContext, IDeviceContextExtension>, IDeviceContext
     {
         private readonly TypeDictionary<IDeviceContextExtension> _extensions =
             new TypeDictionary<IDeviceContextExtension>(true);
@@ -19,6 +19,9 @@ namespace Dashboard.Pal
         public abstract string DriverName { get; }
         public abstract string DriverVendor { get; }
         public abstract Version DriverVersion { get; }
+        public abstract ISwapGroup SwapGroup { get; }
+        public abstract Vector2 FramebufferSize { get; }
+        public virtual bool DoubleBuffered { get; } = false;
 
         public bool IsDisposed { get; private set; }
 

Dashboard.OpenGL/GLDeviceContext.cs

@@ -1,5 +1,6 @@
 using System.Collections.Concurrent;
 using System.Collections.Immutable;
+using System.Numerics;
 using Dashboard.Drawing;
 using Dashboard.OpenGL.Drawing;
 using Dashboard.Pal;
@@ -27,6 +28,9 @@ namespace Dashboard.OpenGL
         public override string DriverName     => "Dashboard OpenGL Device Context";
         public override string DriverVendor   => "Dashboard";
         public override Version DriverVersion => new Version(0, 1, 0);
+        public override ISwapGroup SwapGroup { get; }
+        public override Vector2 FramebufferSize => GLContext.FramebufferSize;
+        public override bool DoubleBuffered { get; } = true;
 
         public Version GLVersion { get; }
         public string GLRenderer { get; }
@@ -39,9 +43,11 @@ namespace Dashboard.OpenGL
         private readonly ConcurrentQueue<Task> _beforeDrawActions = new ConcurrentQueue<Task>();
         private readonly ConcurrentQueue<Task> _afterDrawActions = new ConcurrentQueue<Task>();
 
-        public GLDeviceContext(Application app, IWindow? window, IGLContext context) : base(app, window)
+        public GLDeviceContext(Application app, IWindow? window, IGLContext context, ISwapGroup swap) : base(app, window)
         {
             GLContext = context;
+            SwapGroup = swap;
+
             context.MakeCurrent();
             GLLoader.LoadBindings(new GLContextBindingsContext(context));
 

Dashboard.OpenGL/IGLContext.cs

@@ -14,11 +14,6 @@ namespace Dashboard.OpenGL
         /// <remarks>-1 assigns no group.</remarks>
         public int ContextGroup { get; }
 
-        /// <summary>
-        /// The size of the framebuffer in pixels.
-        /// </summary>
-        public Vector2 FramebufferSize { get; }
-
         /// <summary>
         /// Called when the context is disposed.
         /// </summary>

Dashboard.OpenTK/PAL2/Pal2Application.cs

@@ -12,7 +12,7 @@ using DB = Dashboard.Events;
 
 namespace Dashboard.OpenTK.PAL2
 {
-    public class Pal2Application : Application
+    public class Pal2Application(ToolkitOptions? options = null) : Application
     {
         public override string DriverName => "Dashboard OpenTK PAL2.0 Driver";
         public override string DriverVendor => "Dashboard";
@@ -50,6 +50,8 @@ namespace Dashboard.OpenTK.PAL2
             });
 
             EventQueue.EventRaised += OnEventRaised;
+
+            Toolkit.Init(options ?? new ToolkitOptions());
         }
 
         internal void RemoveWindow(PhysicalWindow window)
@@ -275,6 +277,47 @@ namespace Dashboard.OpenTK.PAL2
 
         private static ScanCode GetScanCode(Scancode scanCode) => scanCode switch
         {
+            // TODO: Revise this array.
+            Scancode.A => ScanCode.A,
+            Scancode.B => ScanCode.B,
+            Scancode.C => ScanCode.C,
+            Scancode.D => ScanCode.D,
+            Scancode.E => ScanCode.E,
+            Scancode.F => ScanCode.F,
+            Scancode.G => ScanCode.G,
+            Scancode.H => ScanCode.H,
+            Scancode.I => ScanCode.I,
+            Scancode.J => ScanCode.J,
+            Scancode.K => ScanCode.K,
+            Scancode.L => ScanCode.L,
+            Scancode.M => ScanCode.M,
+            Scancode.N => ScanCode.N,
+            Scancode.O => ScanCode.O,
+            Scancode.P => ScanCode.P,
+            Scancode.Q => ScanCode.Q,
+            Scancode.R => ScanCode.R,
+            Scancode.S => ScanCode.S,
+            Scancode.T => ScanCode.T,
+            Scancode.U => ScanCode.U,
+            Scancode.V => ScanCode.V,
+            Scancode.W => ScanCode.W,
+            Scancode.X => ScanCode.X,
+            Scancode.Y => ScanCode.Y,
+            Scancode.Z => ScanCode.Z,
+            Scancode.D0 => ScanCode.D0,
+            Scancode.D1 => ScanCode.D1,
+            Scancode.D2 => ScanCode.D2,
+            Scancode.D3 => ScanCode.D3,
+            Scancode.D4 => ScanCode.D4,
+            Scancode.D5 => ScanCode.D5,
+            Scancode.D6 => ScanCode.D6,
+            Scancode.D7 => ScanCode.D7,
+            Scancode.D8 => ScanCode.D8,
+            Scancode.D9 => ScanCode.D9,
+            Scancode.UpArrow => ScanCode.UpArrow,
+            Scancode.DownArrow => ScanCode.DownArrow,
+            Scancode.LeftArrow => ScanCode.LeftArrow,
+            Scancode.RightArrow => ScanCode.RightArrow,
             _ => (ScanCode)0,
         };
     }

Dashboard.OpenTK/PAL2/PhysicalWindow.cs

@@ -64,7 +64,7 @@ namespace Dashboard.OpenTK.PAL2
         {
             Application = app;
             WindowHandle = window;
-            DeviceContext = new GLDeviceContext(app, this, new Pal2GLContext(window, context));
+            DeviceContext = new GLDeviceContext(app, this, new Pal2GLContext(window, context), new DummySwapGroup(context));
         }
 
         public PhysicalWindow(Application app, GraphicsApiHints hints)
@@ -81,7 +81,8 @@ namespace Dashboard.OpenTK.PAL2
             {
             case GraphicsApi.OpenGL:
             case GraphicsApi.OpenGLES:
-                return new GLDeviceContext(app, window, new Pal2GLContext(handle, TK.OpenGL.CreateFromWindow(handle)));
+                OpenGLContextHandle context = TK.OpenGL.CreateFromWindow(handle);
+                return new GLDeviceContext(app, window, new Pal2GLContext(handle, context), new DummySwapGroup(context));
             default:
                 throw new Exception($"Unknown graphics API {hints.Api}.");
             }
@@ -146,5 +147,28 @@ namespace Dashboard.OpenTK.PAL2
                 return Math.Max(x, y);
             }
         }
+
+        private class DummySwapGroup(OpenGLContextHandle context) : ISwapGroup
+        {
+            public int SwapInterval
+            {
+                get
+                {
+                    TK.OpenGL.SetCurrentContext(context);
+                    return TK.OpenGL.GetSwapInterval();
+                }
+
+                set
+                {
+                    TK.OpenGL.SetCurrentContext(context);
+                    TK.OpenGL.SetSwapInterval(value);
+                }
+            }
+
+            public void Swap()
+            {
+                TK.OpenGL.SwapBuffers(context);
+            }
+        }
     }
 }

Dashboard/Controls/Form.cs

@@ -66,6 +66,8 @@ namespace Dashboard.Controls
             foreach (Control child in this)
                 child.SendEvent(this, new PaintEventArgs(dc));
 
+            base.OnPaint(dc);
+
             dc.End();
         }
 

tests/Dashboard.TestApplication/Program.cs

@@ -10,8 +10,7 @@ using OpenTK.Graphics.OpenGL;
 using OpenTK.Mathematics;
 using OpenTK.Platform;
 using TK = OpenTK.Platform.Toolkit;
-
+Application app = new Pal2Application(new ToolkitOptions()
-TK.Init(new ToolkitOptions()
 {
     ApplicationName = "DashTerm",
     Windows = new ToolkitOptions.WindowsOptions()
@@ -20,9 +19,7 @@ TK.Init(new ToolkitOptions()
         IsDPIAware = true,
     },
     FeatureFlags = ToolkitFlags.EnableOpenGL,
-});
+})
-
-Application app = new Pal2Application()
 {
     GraphicsApiHints = new OpenGLGraphicsApiHints()
     {