From bab898e4890e181b2765f5fd64c69544963a6ba5 Mon Sep 17 00:00:00 2001
From: Thor Brigsted <thorbrigsted@gmail.com>
Date: Tue, 10 Apr 2018 22:59:32 +0200
Subject: [PATCH] Exposed virtual OnGUI() and 'position' for graph editors

---
 Scripts/Editor/NodeEditorGUI.cs   | 2 ++
 Scripts/Editor/NodeGraphEditor.cs | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/Scripts/Editor/NodeEditorGUI.cs b/Scripts/Editor/NodeEditorGUI.cs
index 9e70693..629bc9d 100644
--- a/Scripts/Editor/NodeEditorGUI.cs
+++ b/Scripts/Editor/NodeEditorGUI.cs
@@ -14,6 +14,7 @@ namespace XNodeEditor {
             Matrix4x4 m = GUI.matrix;
             if (graph == null) return;
             graphEditor = NodeGraphEditor.GetEditor(graph);
+            graphEditor.position = position;
 
             Controls();
 
@@ -23,6 +24,7 @@ namespace XNodeEditor {
             DrawNodes();
             DrawSelectionBox();
             DrawTooltip();
+            graphEditor.OnGUI();
 
             GUI.matrix = m;
         }
diff --git a/Scripts/Editor/NodeGraphEditor.cs b/Scripts/Editor/NodeGraphEditor.cs
index fa91c03..37b7eaf 100644
--- a/Scripts/Editor/NodeGraphEditor.cs
+++ b/Scripts/Editor/NodeGraphEditor.cs
@@ -8,8 +8,13 @@ namespace XNodeEditor {
     /// <summary> Base class to derive custom Node Graph editors from. Use this to override how graphs are drawn in the editor. </summary>
     [CustomNodeGraphEditor(typeof(XNode.NodeGraph))]
     public class NodeGraphEditor : XNodeEditor.Internal.NodeEditorBase<NodeGraphEditor, NodeGraphEditor.CustomNodeGraphEditorAttribute, XNode.NodeGraph> {
+        /// <summary> The position of the window in screen space. </summary>
+        public Rect position;
+        /// <summary> Are we currently renaming a node? </summary>
         protected bool isRenaming;
 
+        public virtual void OnGUI() { }
+
         public virtual Texture2D GetGridTexture() {
             return NodeEditorPreferences.GetSettings().gridTexture;
         }