Add button click and checkbox toggle handlers for UI controls

Processes/DesktopProcess.cs

@@ -1,5 +1,6 @@
 using RemSox.Processing;
 using RemSox.UI.GUI.Rendering;
+using RemSox.UI.GUI.UIEelements.Controls;
 using RemSox.UI.GUI.Windows;
 
 namespace RemSox.Processes;
@@ -21,8 +22,9 @@ internal class DesktopProcess() : Process("Desktop Manager")
 
         // Create a test window for new UI controls
         Window testWindow = WindowManager.CreateWindow(this, "UI Controls Test", new System.Drawing.Size(200, 180));
+        testWindow.AutoFlush = true;
 
-        _ = testWindow.CreateUIElement<UI.GUI.UIEelements.Controls.Button>(b =>
+        Button button = testWindow.CreateUIElement<UI.GUI.UIEelements.Controls.Button>(b =>
         {
             b.Position = new System.Drawing.Point(20, 30);
             b.Size = new System.Drawing.Size(100, 30);
@@ -30,22 +32,31 @@ internal class DesktopProcess() : Process("Desktop Manager")
             b.BackgroundColor = System.Drawing.Color.LightBlue;
         });
 
-        _ = testWindow.CreateUIElement<UI.GUI.UIEelements.Controls.CheckBox>(c =>
+        button.OnClick += (s, e) =>
+        {
+            button.Text = "Clicked!";
+            button.BackgroundColor = System.Drawing.Color.LightGreen;
+        };
+
+        CheckBox check = testWindow.CreateUIElement<UI.GUI.UIEelements.Controls.CheckBox>(c =>
         {
             c.Position = new System.Drawing.Point(20, 80);
+            c.Size = new System.Drawing.Size(100, 30);
             c.Text = "Check Me";
             c.IsChecked = true;
         });
 
+        check.OnCheckedChanged += (s, e) =>
+        {
+            check.Text = check.IsChecked ? "Checked!" : "Unchecked!";
+        };
+
         _ = testWindow.CreateUIElement<UI.GUI.UIEelements.Shapes.Line>(l =>
         {
             l.Position = new System.Drawing.Point(20, 130);
             l.EndPosition = new System.Drawing.Point(180, 130);
             l.Color = System.Drawing.Color.Red;
         });
-
-        testWindow.AutoFlush = true;
-        testWindow.Flush();
     }
 
     internal override void Tick()

UI/GUI/UIEelements/Controls/Button.cs

@@ -18,8 +18,11 @@ public class Button() : Control("Button")
         set => SetProperty(nameof(TextColor), ref field, value);
     } = Color.Black;
 
-    public void Click()
+    public override void HandleMouseEvent(MouseEvent mouseEvent)
+    {
+        if (mouseEvent.Type == MouseEventType.ButtonDown && mouseEvent.Button == MouseButton.Left)
         {
             OnClick?.Invoke(this, EventArgs.Empty);
         }
+    }
 }

UI/GUI/UIEelements/Controls/CheckBox.cs

@@ -27,4 +27,12 @@ public class CheckBox() : Control("CheckBox")
         get;
         set => SetProperty(nameof(TextColor), ref field, value);
     } = Color.White;
+
+    public override void HandleMouseEvent(MouseEvent mouseEvent)
+    {
+        if (mouseEvent.Type == MouseEventType.ButtonDown && mouseEvent.Button == MouseButton.Left)
+        {
+            IsChecked = !IsChecked;
+        }
+    }
 }

UI/GUI/Windows/Window.cs

@@ -107,9 +107,9 @@ public sealed class Window(string title, int processId, int id, IRenderSource re
             uiElements.Add(uiElementId, uiElement);
         }
 
-        lock (controlsLock)
-        {
         if (uiElement is Control control)
+        {
+            lock (controlsLock)
             {
                 controls.Add(uiElementId, control);
             }

UI/GUI/Windows/WindowManager.cs

@@ -57,20 +57,20 @@ public static class WindowManager
             activeInteractWindow = null;
         }
 
-        wasLeftButtonDown = leftButtonDown;
-        wasRightButtonDown = rightButtonDown;
-        wasMiddleButtonDown = middleButtonDown;
-
         while (KeyboardManager.TryReadKey(out KeyEvent? keyEvent) && keyEvent is not null)
         {
             focusedWindow?.HandleKeyEvent(keyEvent);
         }
 
-        if (focusedWindow is not null && activeInteractWindow is null)
+        if (focusedWindow is not null)
         {
             DispatchMouseEvents(focusedWindow, pointerPosition);
         }
 
+        wasLeftButtonDown = leftButtonDown;
+        wasRightButtonDown = rightButtonDown;
+        wasMiddleButtonDown = middleButtonDown;
+
         CanvasRenderSource.CompositeAndDisplay(canvas, pointerPosition);
 
         lastPointerPosition = pointerPosition;