Added Rectangle to the shapes.

Added a shortcurt "Ctrl+Shift+Space" to open menu.

Progrart.Core/Graphics/Rectangle.cs

@@ -1,7 +1,87 @@
-namespace Progrart.Core.Graphics
+using Jint;
+using Jint.Native;
+using Progrart.Core.JSExecution;
+using SkiaSharp;
+using System.Diagnostics;
+
+namespace Progrart.Core.Graphics
 {
     public class Rectangle : BaseElement
 	{
 
+		float StrokeWidth;
+		SKPoint Start;
+		SKPoint Size;
+		SKColorF Color;
+		SKShader? shader = null;
+		public override void SetupProperties(Engine engine)
+		{
+			base.SetupProperties(engine);
+			if (__object != null)
+			{
+				{
+					JsObject point = new JsObject(engine);
+					point.Set("x", 0);
+					point.Set("y", 0);
+					__object.Set("Position", point);
+				}
+				__object.Set("StrokeWidth", 1);
+				__object.Set("Color", ProgrartFunctions.color(engine, 1, 1, 1, 1));
+				{
+					JsObject point = new JsObject(engine);
+					point.Set("x", 0);
+					point.Set("y", 0);
+					__object.Set("Size", point);
+				}
+
+			}
+
+		}
+		public override void LoadProperties()
+		{
+			if (__object is not null)
+			{
+				StrokeWidth = (float)__object.Get("StrokeWidth").AsNumber();
+				{
+					if (__object.Get("Position") is JsObject Start)
+					{
+						this.Start = ProgrartConversion.ObtainSKPointFromJsObject(Start);
+					}
+				}
+				{
+					if (__object.Get("Size") is JsObject End)
+					{
+						this.Size = ProgrartConversion.ObtainSKPointFromJsObject(End);
+					}
+				}
+				{
+					if (__object.Get("Color") is JsObject Color)
+					{
+						this.Color = ProgrartConversion.ObtainSKColorFFromJsObject(Color);
+					}
+				}
+
+				if (__object.Get("Shader") is JsObject shaderObj)
+					shader = ProgrartConversion.ObtainFromJsObject(shaderObj);
+			}
+		}
+		public override void Render(RenderContext context)
+		{
+			base.Render(context);
+			LoadProperties();
+			SKPoint FinalStartPos = context.TranslatePoint(Start);
+			SKPoint FinalEndPos = context.TranslatePoint(Size);
+			Trace.WriteLine($"Draw Rectangle from {FinalStartPos} to {FinalEndPos} using {Color} with size of {StrokeWidth}.");
+			context.DrawingCore.canvas.DrawRect(
+				FinalStartPos.X, FinalStartPos.Y,
+				FinalEndPos.X, FinalEndPos.Y,
+				new SKPaint()
+				{
+					ColorF = Color,
+					StrokeWidth = StrokeWidth,
+					Shader = shader
+				}
+			);
+		}
 	}
 }

Progrart.Core/JSExecution/ExecutionEngine.cs

@@ -32,7 +32,6 @@ namespace Progrart.Core.JSExecution
 		public void Dispose()
 		{
 			Engine.Dispose();
-
 		}
 	}
 }

Progrart.Core/JSExecution/ProgrartExecutor.cs

@@ -19,7 +19,6 @@ namespace Progrart.Core.JSExecution
 		}
 		public void SetupCalls()
 		{
-			engine.Engine.SetValue("visual_root", visual_root);
 			Jint.Native.Json.JsonSerializer serializer = new Jint.Native.Json.JsonSerializer(engine.Engine);
 			engine.Engine.SetValue("log", new Action<JsValue>((v) =>
 			{
@@ -30,7 +29,9 @@ namespace Progrart.Core.JSExecution
 				else
 					Trace.WriteLine(v);
 			}));
+			engine.Engine.SetValue("visual_root", visual_root);
 			engine.Engine.SetValue("line", line);
+			engine.Engine.SetValue("rectangle", rectangle);
 			engine.Engine.SetValue("color4", color4);
 			engine.Engine.SetValue("color3", color3);
 			engine.Engine.SetValue("linear_gradient", linear_gradient);
@@ -59,7 +60,13 @@ namespace Progrart.Core.JSExecution
 		}
 		public JsObject line()
 		{
-			return ProgrartFunctions.CreateLine(this);
+			//return ProgrartFunctions.CreateLine(this);
+			return ProgrartFunctions.CreateElement<Line>(this);
+		}
+		public JsObject rectangle()
+		{
+			//return ProgrartFunctions.CreateLine(this);
+			return ProgrartFunctions.CreateElement<Rectangle>(this);
 		}
 		public RenderContext RenderImage(int Scale, string script, ExecuteArguments arguments)
 		{

Progrart.Core/JSExecution/ProgrartFunctions.cs

@@ -118,5 +118,13 @@ namespace Progrart.Core.JSExecution
 			element.SetupProperties(executor.engine.Engine);
 			return obj;
 		}
+		public static JsObject CreateElement<T>(ProgrartExecutor executor) where T: BaseElement
+		{
+			T element=Activator.CreateInstance<T>() as T;
+			var obj = WrapObject(executor, executor.RegisterObject(element));
+			element.__object = obj;
+			element.SetupProperties(executor.engine.Engine);
+			return obj;
+		}
 	}
 }

Progrart/App.axaml

@@ -291,8 +291,19 @@
 		<Style Selector="ContextMenu">
 			<Setter Property="FontFamily" Value="{StaticResource SarasaMonoSlabCLFont}"/>
 		</Style>
+		<Style Selector="MenuItem:selected">
+			<Style Selector="^ /template/ Border#PART_LayoutRoot">
+				<Setter Property="Background" Value="{DynamicResource AccentButtonBackground}" />
+			</Style>
+		</Style>
+
+		<Style Selector="MenuItem:pressed /template/ Border#PART_LayoutRoot:pointerover">
+			<Setter Property="Background" Value="{DynamicResource AccentButtonBackgroundPressed}" />
+		</Style>
 		<Style Selector="MenuItem">
 			<Setter Property="FontFamily" Value="{StaticResource SarasaMonoSlabCLFont}"/>
+			<Setter Property="Padding" Value="16,2"/>
+			<Setter Property="FontSize" Value="12"/>
 		</Style>
 	</Application.Styles>
 </Application>

Progrart/Commands/GenericCommand.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Input;
+
+namespace Progrart.Commands
+{
+	public class GenericCommand : ICommand
+	{
+		public event EventHandler? CanExecuteChanged;
+		public Func<object?, bool>? Checker = null;
+		public Action<object?>? onExecute = null;
+		public bool CanExecute(object? parameter)
+		{
+			return Checker?.Invoke(parameter) ?? true;
+		}
+
+		public void Execute(object? parameter)
+		{
+			onExecute?.Invoke(parameter);
+		}
+	}
+}

Progrart/Controls/BaseEditor.axaml

@@ -5,14 +5,14 @@
 			 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 			 mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
 			 x:Class="Progrart.Controls.BaseEditor">
-	<avaloniaedit:TextEditor Name="CodeEditBox" Text="" SyntaxHighlighting="JavaScript"
+	<avaloniaedit:TextEditor Name="CodeEditBox" Text=""
 							 ShowLineNumbers="True"
 							 FontFamily="Sarasa Mono Slab CL,Cascadia Code,Consolas,Menlo,Monospace">
 		<avaloniaedit:TextEditor.ContextMenu>
 			<ContextMenu>
-				<MenuItem Name="Copy" Click="Copy_Click"/>
-				<MenuItem Name="Cut" Click="Cut_Click"/>
-				<MenuItem Name="Paste" Click="Paste_Click"/>
+				<MenuItem Header="_Copy" Click="Copy_Click"/>
+				<MenuItem Header="Cut (_X)" Click="Cut_Click"/>
+				<MenuItem Header="Paste (_V)" Click="Paste_Click"/>
 			</ContextMenu>
 		</avaloniaedit:TextEditor.ContextMenu>
 	</avaloniaedit:TextEditor>

Progrart/Controls/BaseEditor.axaml.cs

@@ -4,6 +4,7 @@ using Avalonia.Input;
 using Avalonia.Markup.Xaml;
 using AvaloniaEdit;
 using AvaloniaEdit.TextMate;
+using Progrart.Commands;
 using System;
 using System.Windows.Input;
 using TextMateSharp.Grammars;
@@ -12,8 +13,8 @@ namespace Progrart.Controls;
 
 public partial class BaseEditor : UserControl
 {
-    RegistryOptions _registryOptions;
-    TextMate.Installation _textMateInstallation;
+	RegistryOptions? _registryOptions;
+	TextMate.Installation? _textMateInstallation;
 	public string Text
 	{
 		get => CodeEditBox.Text;
@@ -23,6 +24,8 @@ public partial class BaseEditor : UserControl
 	public BaseEditor()
 	{
 		InitializeComponent();
+
+		if (!OperatingSystem.IsBrowser())
 		{
 			var _textEditor = CodeEditBox;
 			_registryOptions = new RegistryOptions(ThemeName.DarkPlus);
@@ -32,7 +35,7 @@ public partial class BaseEditor : UserControl
 		var saveBinding = new KeyBinding
 		{
 			Gesture = new KeyGesture(Key.S, KeyModifiers.Control),
-            Command = new saveCmd() { onSave = Save }
+			Command = new GenericCommand() { onExecute = (_) => Save() }
 		};
 
 		CodeEditBox.KeyBindings.Add(saveBinding);
@@ -41,24 +44,14 @@ public partial class BaseEditor : UserControl
 	{
 		onSaveCmd?.Invoke();
 	}
-    class saveCmd : ICommand
-    {
-        public event EventHandler? CanExecuteChanged;
-        public Action? onSave;
-        public bool CanExecute(object? parameter)
-        {
-            return true;
-        }
-
-        public void Execute(object? parameter)
-        {
-            onSave?.Invoke();
-        }
-    }
 	public void SetGrammerByExtension(string extension_name)
 	{
-        _textMateInstallation.SetGrammar(
-            _registryOptions.GetScopeByLanguageId(
+		if (OperatingSystem.IsBrowser())
+		{
+			return;
+		}
+		_textMateInstallation?.SetGrammar(
+			_registryOptions?.GetScopeByLanguageId(
 				_registryOptions.GetLanguageByExtension(extension_name).Id
 				)
 			);

Progrart/Pages/ProgrartEditorPage.axaml.cs

@@ -8,6 +8,7 @@ using Progrart.Controls.TabSystem;
 using Progrart.Core;
 using Progrart.Core.JSExecution;
 using Progrart.Pages;
+using System;
 using System.Diagnostics;
 using System.IO;
 using System.Threading.Tasks;
@@ -75,7 +76,7 @@ public partial class ProgrartEditorPage : UserControl, ITabPage, IEditorPage
 
 	public bool IsSameFile(IStorageFile file)
 	{
-		return (this.file?.Path==file.Path);
+		return (this.file?.Path == file.Path);
 	}
 
 	public void LoadDocument(IStorageFile file)
@@ -95,6 +96,12 @@ public partial class ProgrartEditorPage : UserControl, ITabPage, IEditorPage
 			using var stream = await file.OpenReadAsync();
 			using StreamReader sr = new StreamReader(stream);
 			var text = sr.ReadToEnd();
+			if (OperatingSystem.IsBrowser())
+			{
+
+				CodeEditor.Text = text;
+			}
+			else
 				Dispatcher.UIThread.Invoke(() =>
 				{
 					CodeEditor.Text = text;

Progrart/Views/MainView.axaml

@@ -33,7 +33,7 @@
 						<Border  Effect="blur(25)">
 							<TextBlock Margin="8,2" HorizontalAlignment="Center">Progart</TextBlock>
 						</Border>
-						<Button Padding="16,1" BorderThickness="1,1,1,0" Margin="-1,-1,-1,0" CornerRadius="14">
+						<Button Padding="16,1" BorderThickness="1,1,1,0" Margin="-1,-1,-1,0" CornerRadius="14" Name="MenuButton">
 							<Button.Flyout>
 								<MenuFlyout>
 									<MenuItem Header="_File">

Progrart/Views/MainView.axaml.cs

@@ -1,6 +1,8 @@
+using Acornima.Ast;
 using Avalonia.Controls;
 using Avalonia.Platform.Storage;
 using Avalonia.Threading;
+using Progrart.Commands;
 using Progrart.Controls;
 using Progrart.Core;
 using Progrart.Core.JSExecution;
@@ -19,6 +21,35 @@ public partial class MainView : UserControl
 		InitializeComponent();
 		Trace.Listeners.Add(new ConsoleLogger());
 		EditorProvider.setHost(MainTabHost);
+		this.KeyBindings.Add(new Avalonia.Input.KeyBinding()
+		{
+			Gesture = new Avalonia.Input.KeyGesture(Avalonia.Input.Key.Space,
+			Avalonia.Input.KeyModifiers.Shift | Avalonia.Input.KeyModifiers.Control),
+			Command = new GenericCommand()
+			{
+				Checker = (_) => true,
+				onExecute = (_) =>
+				{
+					MenuButton.ContextMenu?.Open();
+				}
+			}
+		});
+		this.KeyBindings.Add(new Avalonia.Input.KeyBinding()
+		{
+			Gesture = new Avalonia.Input.KeyGesture(Avalonia.Input.Key.F5,
+			Avalonia.Input.KeyModifiers.None),
+			Command = new GenericCommand()
+			{
+				Checker = (_) => true,
+				onExecute = (_) =>
+				{
+					Execute();
+				}
+			}
+		});
+		ToolTip.SetTip(MenuButton, "Press Shift+Ctrl+Space to open menu");
+		ToolTip.SetIsOpen(MenuButton, true);
+		
 		BottomPanelToggle.IsCheckedChanged += (a, b) =>
 		{
 			bool v = BottomPanelToggle.IsChecked == true;
@@ -77,6 +108,12 @@ public partial class MainView : UserControl
 		};
 		LeftPanelToggle.IsChecked = true;
 		RunButton.Click += (_, _) =>
+        {
+            Execute();
+        };
+	}
+
+    private void Execute()
     {
         if (MainTabHost.GetCurrentPage() is IEditorPage editor)
         {
@@ -85,7 +122,6 @@ public partial class MainView : UserControl
             args.data["Debug"] = $"{IsDebugBox.IsChecked ?? false}".ToLower();
             editor.Execute(args);
         }
-		};
     }
 
     private void OutputClear_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)