Initial commit

Library/PackageCache/com.unity.2d.animation@3.2.6/Editor/LayoutOverlay/DropdownMenu.cs

@@ -0,0 +1,57 @@
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace UnityEditor.U2D.Layout
+{
+	internal class DropdownMenu : VisualElement
+	{
+		public class DropdownMenuFactory : UxmlFactory<DropdownMenu, DropdownMenuUxmlTraits> {}
+		public class DropdownMenuUxmlTraits : UxmlTraits {}
+
+		/*
+		private ButtonGroup m_ButtonGroup;
+
+		public DropdownMenu()
+		{
+			RegisterCallback<FocusOutEvent>(OnFocusOut, Capture.NoCapture);
+			RegisterCallback<MouseLeaveEvent>(OnMouseLeaveEvent);
+		}
+
+		public void InitialiseWithButtonGroup(ButtonGroup buttonGroup)
+		{
+			if (m_ButtonGroup == buttonGroup)
+				return;
+
+			m_ButtonGroup = buttonGroup;
+			var buttonGroupLocalPosition = parent.WorldToLocal(new Vector2(buttonGroup.worldBound.x, buttonGroup.worldBound.y));
+			style.positionType = PositionType.Absolute;
+			style.positionLeft = buttonGroupLocalPosition.x;
+			style.positionTop = buttonGroupLocalPosition.y;
+			style.flexDirection = buttonGroup.isHorizontal ? FlexDirection.Row : FlexDirection.Column;
+			foreach (var element in buttonGroup.elements)
+				Add(element);
+		}
+
+		private void OnMouseLeaveEvent(MouseLeaveEvent evt)
+		{
+			Close();
+		}
+
+		private void OnFocusOut(FocusOutEvent evt)
+		{
+			Close();
+		}
+
+		private void Close()
+		{
+			foreach (var element in contentContainer.Children())
+				m_ButtonGroup.elements.Add(element);
+			this.contentContainer.Clear();
+
+			style.width = 0;
+			style.height = 0;
+			m_ButtonGroup = null;
+		}
+		*/
+	}
+}