Initial commit

Library/PackageCache/com.unity.2d.animation@3.2.6/Editor/SkinningModule/IMGUI/RectSlider.cs

@@ -0,0 +1,38 @@
+using UnityEngine;
+
+namespace UnityEditor.U2D.Animation
+{
+    internal class RectSlider
+    {
+        private static readonly int kRectSliderHashCode = "RectSlider".GetHashCode();
+        private Vector2 m_StartPosition = Vector2.zero;
+        private Vector2 m_Position = Vector2.zero;
+
+        internal Rect Do()
+        {
+            return Do(GUIUtility.GetControlID(kRectSliderHashCode, FocusType.Passive));
+        }
+
+        internal Rect Do(int controlID)
+        {
+            var eventType = Event.current.GetTypeForControl(controlID);
+
+            if (eventType == EventType.MouseDown)
+            {
+                m_StartPosition = ModuleUtility.GUIToWorld(Event.current.mousePosition);
+                m_Position = m_StartPosition;
+            }
+
+            if (eventType == EventType.Layout)
+                HandleUtility.AddDefaultControl(controlID);
+
+            m_Position = Slider2D.Do(controlID, m_Position);
+
+            var rect = new Rect();
+            rect.min = m_StartPosition;
+            rect.max = m_Position;
+
+            return rect;
+        }
+    }
+}