From d07e14add74e017b52ab2371efeea1aa4ea10ced Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sat, 8 May 2021 23:15:13 +0800
Subject: +init

---
 .../Editor/EventSystem/EventSystemEditor.cs        | 66 ++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 Assets/uGUI-2017.1/Editor/EventSystem/EventSystemEditor.cs

(limited to 'Assets/uGUI-2017.1/Editor/EventSystem/EventSystemEditor.cs')

diff --git a/Assets/uGUI-2017.1/Editor/EventSystem/EventSystemEditor.cs b/Assets/uGUI-2017.1/Editor/EventSystem/EventSystemEditor.cs
new file mode 100644
index 0000000..729b584
--- /dev/null
+++ b/Assets/uGUI-2017.1/Editor/EventSystem/EventSystemEditor.cs
@@ -0,0 +1,66 @@
+using UnityEngine;
+using UnityEngine.EventSystems;
+
+namespace UnityEditor.EventSystems
+{
+    [CustomEditor(typeof(EventSystem), true)]
+    public class EventSystemEditor : Editor
+    {
+        public override void OnInspectorGUI()
+        {
+            DrawDefaultInspector();
+
+            var eventSystem = target as EventSystem;
+            if (eventSystem == null)
+                return;
+
+            if (eventSystem.GetComponent<BaseInputModule>() != null)
+                return;
+
+            // no input modules :(
+            if (GUILayout.Button("Add Default Input Modules"))
+            {
+                Undo.AddComponent<StandaloneInputModule>(eventSystem.gameObject);
+            }
+        }
+
+        public override bool HasPreviewGUI()
+        {
+            return Application.isPlaying;
+        }
+
+        private GUIStyle m_PreviewLabelStyle;
+
+        protected GUIStyle previewLabelStyle
+        {
+            get
+            {
+                if (m_PreviewLabelStyle == null)
+                {
+                    m_PreviewLabelStyle = new GUIStyle("PreOverlayLabel")
+                    {
+                        richText = true,
+                        alignment = TextAnchor.UpperLeft,
+                        fontStyle = FontStyle.Normal
+                    };
+                }
+
+                return m_PreviewLabelStyle;
+            }
+        }
+
+        public override bool RequiresConstantRepaint()
+        {
+            return Application.isPlaying;
+        }
+
+        public override void OnPreviewGUI(Rect rect, GUIStyle background)
+        {
+            var system = target as EventSystem;
+            if (system == null)
+                return;
+
+            GUI.Label(rect, system.ToString(), previewLabelStyle);
+        }
+    }
+}
-- 
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