Added inline UI for Node/Group renaming.

Scripts/Editor/NodeEditor.cs

@@ -24,7 +24,6 @@ namespace XNodeEditor
         /// <summary> Fires every whenever a node was modified through the editor </summary>
         public static Action<Node> onUpdateNode;
         public static readonly Dictionary<NodePort, Vector2> portPositions = new Dictionary<NodePort, Vector2>();
-        private Vector2 _lastClickPos;
 
 #if ODIN_INSPECTOR
         protected internal static bool inNodeEditor = false;
@@ -32,18 +31,6 @@ namespace XNodeEditor
 
         public virtual void OnHeaderGUI()
         {
-            Event e = Event.current;
-            if (e.type == EventType.MouseDown)
-            {
-                if ((_lastClickPos - e.mousePosition).sqrMagnitude <= 5 * 5 && e.clickCount > 1)
-                {
-                    Debug.Log("Renaming time!");
-                    return;
-                }
-
-                _lastClickPos = e.mousePosition;
-            }
-
             GUILayout.Label(target.name, NodeEditorResources.styles.nodeHeader, GUILayout.Height(30));
         }
 

Scripts/Editor/NodeEditorAction.cs

@@ -20,7 +20,8 @@ namespace XNodeEditor
             HoldNode,
             DragNode,
             HoldGrid,
-            DragGrid
+            DragGrid,
+            Renaming
         }
         public static NodeActivity currentActivity = NodeActivity.Idle;
         public static bool isPanning { get; private set; }
@@ -32,6 +33,8 @@ namespace XNodeEditor
         public bool IsHoveringPort => hoveredPort != null;
         public bool IsHoveringNode => hoveredNode != null;
         public bool IsHoveringReroute => hoveredReroute.port != null;
+        public bool IsSelectingRenamingObject =>
+            currentActivity == NodeActivity.Renaming && IsHoveringNode && Selection.Contains(hoveredNode);
 
         /// <summary> Return the dragged port or null if not exist </summary>
         public NodePort DraggedOutputPort
@@ -135,6 +138,7 @@ namespace XNodeEditor
                         else if (currentActivity == NodeActivity.HoldNode)
                         {
                             RecalculateDragOffsets(e);
+                            isDoubleClick = false;
                             currentActivity = NodeActivity.DragNode;
                             Repaint();
                         }
@@ -277,8 +281,14 @@ namespace XNodeEditor
                                     }
                                 }
                             }
+
+                            if (currentActivity == NodeActivity.Renaming)
+                            {
+                                currentActivity = NodeActivity.Idle;
+                            }
                         }
-                        else if (IsHoveringNode && IsHoveringTitle(hoveredNode))
+                        else if (IsHoveringNode && IsHoveringTitle(hoveredNode) &&
+                                 (currentActivity != NodeActivity.Renaming || !IsSelectingRenamingObject))
                         {
                             // If mousedown on node header, select or deselect
                             if (!Selection.Contains(hoveredNode))
@@ -415,19 +425,30 @@ namespace XNodeEditor
                         }
 
                         // If click node header, select it.
-                        if (currentActivity == NodeActivity.HoldNode && !(e.control || e.shift))
+                        if ((currentActivity == NodeActivity.HoldNode || !IsSelectingRenamingObject) &&
+                            !(e.control || e.shift))
                         {
                             selectedReroutes.Clear();
                             SelectNode(hoveredNode, false);
 
-                            // Double click to center node
+                            // Double click to rename node
                             if (isDoubleClick)
                             {
-                                Vector2 nodeDimension = nodeSizes.ContainsKey(hoveredNode)
-                                    ? nodeSizes[hoveredNode] / 2
-                                    : Vector2.zero;
-                                panOffset = -hoveredNode.position - nodeDimension;
+                                RenameSelectedNodeTextField();
+                                currentActivity = NodeActivity.Renaming;
+                                // Vector2 nodeDimension = nodeSizes.ContainsKey(hoveredNode)
+                                //     ? nodeSizes[hoveredNode] / 2
+                                //     : Vector2.zero;
+                                // panOffset = -hoveredNode.position - nodeDimension;
                             }
+                            else
+                            {
+                                currentActivity = NodeActivity.HoldNode;
+                            }
+                        }
+                        else if (currentActivity != NodeActivity.Renaming)
+                        {
+                            currentActivity = NodeActivity.Idle;
                         }
 
                         // If click reroute, select it.
@@ -438,7 +459,6 @@ namespace XNodeEditor
                         }
 
                         Repaint();
-                        currentActivity = NodeActivity.Idle;
                     }
                     else if (e.button == 1 || e.button == 2)
                     {
@@ -483,6 +503,11 @@ namespace XNodeEditor
                                 graphEditor.AddContextMenuItems(menu);
                                 menu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero));
                             }
+
+                            if (currentActivity == NodeActivity.Renaming)
+                            {
+                                currentActivity = NodeActivity.Idle;
+                            }
                         }
 
                         isPanning = false;
@@ -604,6 +629,11 @@ namespace XNodeEditor
 
                     break;
             }
+
+            if (currentActivity != NodeActivity.Renaming && RenameTextField.IsActive)
+            {
+                RenameTextField.current.SaveAndClose();
+            }
         }
 
         private void RecalculateDragOffsets(Event current)
@@ -686,6 +716,24 @@ namespace XNodeEditor
             }
         }
 
+
+        public void RenameSelectedNodeTextField()
+        {
+            if (Selection.objects.Length == 1 && Selection.activeObject is Node)
+            {
+                Node node = Selection.activeObject as Node;
+                Vector2 size;
+                if (nodeSizes.TryGetValue(node, out size))
+                {
+                    RenameTextField.Show(Selection.activeObject, size.x);
+                }
+                else
+                {
+                    RenameTextField.Show(Selection.activeObject);
+                }
+            }
+        }
+
         /// <summary> Draw this node on top of other nodes by placing it last in the graph.nodes list </summary>
         public void MoveNodeToTop(Node node)
         {

Scripts/Editor/NodeEditorGUI.cs

@@ -156,7 +156,7 @@ namespace XNodeEditor
                 }
                 else
                 {
-                    graphEditor.AddContextMenuItems(contextMenu, hoveredPort.ValueType, NodePort.IO.Input);
+                    graphEditor.AddContextMenuItems(contextMenu, hoveredPort.ValueType);
                 }
             }
 
@@ -681,7 +681,15 @@ namespace XNodeEditor
                 EditorGUI.BeginChangeCheck();
 
                 //Draw node contents
-                nodeEditor.OnHeaderGUI();
+                if (currentActivity == NodeActivity.Renaming && Selection.activeObject == node)
+                {
+                    RenameTextField.current.DrawRenameTextField();
+                }
+                else
+                {
+                    nodeEditor.OnHeaderGUI();
+                }
+
                 nodeEditor.OnBodyGUI();
 
                 //If user changed a value, notify other scripts through onUpdateNode

Scripts/Editor/NodeEditorResources.cs

@@ -25,7 +25,7 @@ namespace XNodeEditor
         public static GUIStyle OutputPort => new GUIStyle(EditorStyles.label) { alignment = TextAnchor.UpperRight };
         public class Styles
         {
-            public GUIStyle inputPort, outputPort, nodeHeader, nodeBody, tooltip, nodeHighlight;
+            public GUIStyle inputPort, outputPort, nodeHeader, nodeHeaderRename, nodeBody, tooltip, nodeHighlight;
 
             public Styles()
             {
@@ -49,6 +49,13 @@ namespace XNodeEditor
                 nodeHeader.fontStyle = FontStyle.Bold;
                 nodeHeader.normal.textColor = Color.white;
 
+                nodeHeaderRename = new GUIStyle(GUI.skin.textField);
+                nodeHeaderRename.alignment = TextAnchor.MiddleCenter;
+                nodeHeaderRename.fontStyle = FontStyle.Bold;
+                nodeHeaderRename.normal.textColor = Color.white;
+                nodeHeaderRename.fixedHeight = 18;
+                nodeHeaderRename.margin = new RectOffset(5, 5, 10, 8);
+
                 nodeBody = new GUIStyle();
                 nodeBody.normal.background = NodeEditorResources.nodeBody;
                 nodeBody.border = new RectOffset(32, 32, 32, 32);
@@ -63,6 +70,20 @@ namespace XNodeEditor
             }
         }
 
+        public static Texture2D GenerateSolidColorTexture(int width, int height, Color col)
+        {
+            var pix = new Color[width * height];
+            for (int i = 0; i < pix.Length; ++i)
+            {
+                pix[i] = col;
+            }
+
+            Texture2D result = new Texture2D(width, height);
+            result.SetPixels(pix);
+            result.Apply();
+            return result;
+        }
+
         public static Texture2D GenerateGridTexture(Color line, Color bg)
         {
             Texture2D tex = new Texture2D(64, 64);

Scripts/Editor/RenameTextField.cs

@@ -0,0 +1,98 @@
+using UnityEditor;
+using UnityEngine;
+using XNode;
+
+namespace XNodeEditor
+{
+    /// <summary> Utility for renaming assets </summary>
+    public class RenameTextField
+    {
+        private const string inputControlName = "nameInput";
+
+        public static RenameTextField current { get; private set; }
+        public static bool IsActive => current != null;
+        public Object target;
+        public string input;
+
+        private bool firstFrame = true;
+
+        /// <summary> Show a rename text field for an asset in the node header. Will trigger reimport of the asset on apply.
+        public static RenameTextField Show(Object target, float width = 200)
+        {
+            RenameTextField textField = new RenameTextField();
+            if (current != null)
+            {
+                current = null;
+            }
+
+            current = textField;
+            textField.target = target;
+            textField.input = target.name;
+
+            return textField;
+        }
+
+        public void DrawRenameTextField()
+        {
+            GUI.SetNextControlName(inputControlName);
+            input = GUILayout.TextField(input, NodeEditorResources.styles.nodeHeaderRename);
+            EditorGUI.FocusTextInControl(inputControlName);
+
+            if (firstFrame)
+            {
+                TextEditor textEditor =
+                    (TextEditor)GUIUtility.GetStateObject(typeof(TextEditor), GUIUtility.keyboardControl);
+                textEditor.SelectAll();
+                firstFrame = false;
+            }
+
+            Event e = Event.current;
+            // If input is empty, revert name to default instead
+            if (input == null || input.Trim() == "")
+            {
+                if (e.isKey && e.keyCode == KeyCode.Return)
+                {
+                    SaveAndClose();
+                }
+            }
+            // Rename asset to input text
+            else
+            {
+                if (e.isKey && e.keyCode == KeyCode.Return)
+                {
+                    SaveAndClose();
+                }
+            }
+
+            if (e.isKey && e.keyCode == KeyCode.Escape)
+            {
+                Close();
+            }
+        }
+
+        public void SaveAndClose()
+        {
+            target.name = input;
+            NodeEditor.GetEditor((Node)target, NodeEditorWindow.current).OnRename();
+            if (!string.IsNullOrEmpty(AssetDatabase.GetAssetPath(target)))
+            {
+                AssetDatabase.SetMainObject((target as Node).graph, AssetDatabase.GetAssetPath(target));
+                AssetDatabase.ImportAsset(AssetDatabase.GetAssetPath(target));
+            }
+
+            Close();
+            target.TriggerOnValidate();
+        }
+
+        public void Close()
+        {
+            firstFrame = true;
+            current = null;
+            NodeEditorWindow.current.Repaint();
+            if (NodeEditorWindow.currentActivity == NodeEditorWindow.NodeActivity.Renaming)
+            {
+                NodeEditorWindow.currentActivity = NodeEditorWindow.NodeActivity.Idle;
+            }
+        }
+    }
+}

Scripts/Editor/RenameTextField.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: e19c9bf223d748e895841425ac714280
+timeCreated: 1696534896