_begin refactor, windows fixes

Source/Engine/UI/GUI/Tooltip.cs

@@ -114,6 +114,7 @@ namespace FlaxEngine.GUI
             Visible = true;
             _window.Show();
             _showTarget.OnTooltipShown(this);
+            once = true;
         }
 
         /// <summary>
@@ -204,7 +205,7 @@ namespace FlaxEngine.GUI
             var rightBottomLocationSS = locationSS + dpiSize;
 
             // Prioritize tooltip placement within parent window, fall back to virtual desktop
-            if (rightBottomMonitorBounds.Y < rightBottomLocationSS.Y)
+            /*if (rightBottomMonitorBounds.Y < rightBottomLocationSS.Y)
             {
                 // Direction: up
                 locationSS.Y -= dpiSize.Y + flipOffset;
@@ -213,9 +214,11 @@ namespace FlaxEngine.GUI
             {
                 // Direction: left
                 locationSS.X -= dpiSize.X + flipOffset * 2;
-            }
+            }*/
         }
 
+        bool once = true;
+
         /// <inheritdoc />
         public override void Update(float deltaTime)
         {
@@ -226,7 +229,18 @@ namespace FlaxEngine.GUI
                 // Auto hide if mouse leaves control area
                 Hide();
             }
-            else //if (false)
+            else if (true)
+            {
+                if (_window)
+                    _window.Position = _window.Position;
+
+                if (once)
+                {
+                    once = false;
+                    _window.ClientSize = _window.ClientSize + new Float2(2, 2);
+                }
+            }
+            else if (false)
             {
                 // Position tooltip when mouse moves
                 WrapPosition(ref mousePos, 10);