1

Src/Unity/Scripts/Utility/Extensions.cs

@@ -714,5 +714,48 @@ namespace BITKit
           
             self.SetOpacity(visible ? 1 : 0);
         }
+
+        public static void ClearTooltipsOnPointerLeave(this VisualElement visualElement)
+        {
+            visualElement.RegisterCallback<PointerLeaveEvent>(OnLeave);
+            return;
+
+            void OnLeave(PointerLeaveEvent evt)
+            {
+                if (string.IsNullOrEmpty(visualElement.tooltip) is false)
+                    visualElement.tooltip = string.Empty;
+            }
+        }
+
+        public static void BlinkingCursor(this TextField tf,int interval=1000)
+        {
+            tf.schedule.Execute(() =>
+            {
+                if(tf.ClassListContains("transparentCursor"))
+                    tf.RemoveFromClassList("transparentCursor");
+                else
+                    tf.AddToClassList("transparentCursor");
+            }).Every(interval);
+        }
+        public static Vector2 GetAbsolutePositionInUI(this VisualElement element)
+        {
+var position = Vector2.zero;
+            var currentElement = element;
+
+            // 遍历每一个父元素，并累计位置
+            while (currentElement != null)
+            {
+                var style = currentElement.resolvedStyle;
+
+                // 累加该元素相对于父元素的位置
+                position.x += style.left;
+                position.y += style.top;
+
+                // 移动到父元素
+                currentElement = currentElement.parent;
+            }
+
+            return position;
+        }
     }
 }