Minor changes

PrismOS/Tests/GraphicsTests.cs

@@ -24,7 +24,7 @@ static GraphicsTests()
 			Engine = new(800, 600, 75);
 			Button1 = new(50, 50, 64, 16, 4, "Button1", () => { });
 			Engine.Objects.Add(Mesh.GetCube(200, 200, 200));
-			Engine.Camera.Position.Z = 200;
+			Engine.Camera.Position.Z = -200;
 			MouseManager.ScreenHeight = Canvas.Height;
 			MouseManager.ScreenWidth = Canvas.Width;
 		}

PrismUI/Controls/Button.cs

@@ -33,8 +33,12 @@ public override Graphics MainImage
 		{
 			get
 			{
+				// Get the offset values.
+				int OffsetX = Window == null ? 0 : Window.X;
+				int OffsetY = Window == null ? 0 : Window.Y;
+
 				// Check if the mouse is within the control.
-				if (MouseEx.IsMouseWithin(X, Y, Width, Height))
+				if (MouseEx.IsMouseWithin(OffsetX + X, OffsetY + Y, Width, Height))
 				{
 					if (MouseEx.IsClickPressed())
 					{
@@ -101,6 +105,9 @@ public override void Render()
 			ButtonHovering.DrawString(Width / 2, Height / 2, Text, default, Color.Black, true);
 			ButtonClicked.DrawString(Width / 2, Height / 2, Text, default, Color.Black, true);
 			ButtonIdle.DrawString(Width / 2, Height / 2, Text, default, Color.Black, true);
+
+			// Re-render the parent window.
+			Window?.Render();
 		}
 
 		public void Dispose()

PrismUI/Controls/Control.cs

@@ -27,6 +27,54 @@ public Control(int X, int Y, ushort Width, ushort Height, ushort Radius)
 		/// </summary>
 		public abstract Graphics MainImage { get; }
 
+		/// <summary>
+		/// The control's border radius.
+		/// </summary>
+		public ushort Radius
+		{
+			get
+			{
+				return _Radius;
+			}
+			set
+			{
+				_Radius = value;
+				Render();
+			}
+		}
+
+		/// <summary>
+		/// The control's pixel height.
+		/// </summary>
+		public ushort Height
+		{
+			get
+			{
+				return _Height;
+			}
+			set
+			{
+				_Height = value;
+				Render();
+			}
+		}
+
+		/// <summary>
+		/// The control's pixel width.
+		/// </summary>
+		public ushort Width
+		{
+			get
+			{
+				return _Width;
+			}
+			set
+			{
+				_Width = value;
+				Render();
+			}
+		}
+
 		#endregion
 
 		#region Methods
@@ -40,10 +88,19 @@ public Control(int X, int Y, ushort Width, ushort Height, ushort Radius)
 
 		#region Fields
 
-		public ushort Radius;
-		public ushort Height;
-		public ushort Width;
+		internal Window? Window;
+		private ushort _Radius;
+		private ushort _Height;
+		private ushort _Width;
+
+		/// <summary>
+		/// The control's X position.
+		/// </summary>
 		public int X;
+
+		/// <summary>
+		/// The control's Y position.
+		/// </summary>
 		public int Y;
 
 		#endregion

PrismUI/Window.cs

@@ -0,0 +1,128 @@
+using PrismUI.Controls;
+using PrismGraphics;
+
+namespace PrismUI
+{
+	public class Window
+	{
+		public Window(int X, int Y, ushort Width, ushort Height)
+		{
+			// Initialize the control list.
+			ShelfControls = new();
+			Controls = new();
+
+			// Initialize the window's buffers.
+			MainImage = new(Width, Height);
+			TitleShelf = new(Width, 32);
+			WindowBody = new(Width, Height);
+
+			// Initialize the window fields.
+			this.Height = Height;
+			this.Width = Width;
+			this.X = X;
+			this.Y = Y;
+		}
+
+		#region Properties
+
+		public ushort Height
+		{
+			get
+			{
+				return _Height;
+			}
+			set
+			{
+				_Height = value;
+				Render();
+			}
+		}
+		public ushort Width
+		{
+			get
+			{
+				return _Width;
+			}
+			set
+			{
+				_Width = value;
+				Render();
+			}
+		}
+
+		#endregion
+
+		#region Methods
+
+		/// <summary>
+		/// Removes a control from the window.
+		/// </summary>
+		/// <param name="Control">The control to remove.</param>
+		public void RemoveControl(Control Control)
+		{
+			Control.Window = null;
+			Controls.Remove(Control);
+			Render();
+		}
+
+		/// <summary>
+		/// Adds a control to the window.
+		/// </summary>
+		/// <param name="Control">The control to add.</param>
+		public void AddControl(Control Control)
+		{
+			Control.Window = this;
+			Controls.Add(Control);
+			Render();
+		}
+
+		/// <summary>
+		/// Renders the window - Only use after changing something.
+		/// </summary>
+		public void Render()
+		{
+			// Resize if needed.
+			MainImage.Height = Height;
+			MainImage.Width = Width;
+			TitleShelf.Width = Width;
+			WindowBody.Height = Height;
+			WindowBody.Width = Width;
+
+			// Draw the window back panel.
+			TitleShelf.Clear(Color.DeepGray);
+			WindowBody.Clear(Color.White);
+
+			// Draw the cache of each control for the title shelf.
+			foreach (Control C in ShelfControls)
+			{
+				TitleShelf.DrawImage(C.X, C.Y, C.MainImage);
+			}
+
+			// Draw the cache of each control.
+			foreach (Control C in Controls)
+			{
+				WindowBody.DrawImage(C.X, C.Y, C.MainImage);
+			}
+
+			// Draw the window to the buffer.
+			MainImage.DrawImage(X, Y - 32, TitleShelf);
+			MainImage.DrawImage(X, Y, WindowBody);
+		}
+
+		#endregion
+
+		#region Fields
+
+		private readonly List<Control> ShelfControls;
+		private readonly List<Control> Controls;
+		private readonly Graphics TitleShelf;
+		private readonly Graphics WindowBody;
+		public readonly Graphics MainImage;
+		private ushort _Height;
+		private ushort _Width;
+		public int X;
+		public int Y;
+
+		#endregion
+	}
+}