Fixed mouse cursor changing in OnMouseLeft

Author: dima.am

samples/Myra.Samples.AllWidgets/AllWidgets.Generated.cs

@@ -129,8 +129,9 @@ private void BuildUI()
 			_buttonSaveFile.Id = "_buttonSaveFile";
 			Grid.SetColumn(_buttonSaveFile, 1);
 			_buttonSaveFile.Content = horizontalStackPanel1;
+            _buttonSaveFile.MouseCursor = MouseCursorType.Hand;
 
-			_textSaveFile = new TextBox();
+            _textSaveFile = new TextBox();
 			_textSaveFile.Id = "_textSaveFile";
 			Grid.SetColumn(_textSaveFile, 2);
 

src/Myra/Graphics2D/UI/Widget.Input.cs

@@ -288,12 +288,25 @@ void IInputEventsProcessor.ProcessEvent(InputEventType eventType)
 
 					_lastMouseMovement = null;
 
-					if (MyraEnvironment.SetMouseCursorFromWidget && MouseCursor != null)
-					{
-						MyraEnvironment.MouseCursorType = MyraEnvironment.DefaultMouseCursorType;
-					}
-
-					OnMouseLeft();
+                    if (MyraEnvironment.SetMouseCursorFromWidget && MouseCursor != null)
+                    {
+                        Widget ancestor = Parent;
+                        while (ancestor != null && !ancestor.IsMouseInside)
+                        {
+                            ancestor = ancestor.Parent;
+                        }
+
+                        if (ancestor != null && ancestor.MouseCursor != null)
+                        {
+                            MyraEnvironment.MouseCursorType = ancestor.MouseCursor.Value;
+                        }
+                        else
+                        {
+                            MyraEnvironment.MouseCursorType = MyraEnvironment.DefaultMouseCursorType;
+                        }
+                    }
+
+                    OnMouseLeft();
 					MouseLeft.Invoke(this);
 					break;
 				case InputEventType.MouseEntered: