/// <summary> Show right-click context menu for hovered port </summary> void ShowPortContextMenu(XNode.NodePort hoveredPort) { GenericMenu contextMenu = new GenericMenu(); foreach (var port in hoveredPort.GetConnections()) { var name = port.node.name; var index = hoveredPort.GetConnectionIndex(port); contextMenu.AddItem(new GUIContent(string.Format("Disconnect({0})", name)), false, () => hoveredPort.Disconnect(index)); } contextMenu.AddItem(new GUIContent("Clear Connections"), false, () => hoveredPort.ClearConnections()); //Get compatible nodes with this port if (NodeEditorPreferences.GetSettings().createFilter) { contextMenu.AddSeparator(""); if (hoveredPort.direction == XNode.NodePort.IO.Input) { graphEditor.AddContextMenuItems(contextMenu, hoveredPort.ValueType, XNode.NodePort.IO.Output); } else { graphEditor.AddContextMenuItems(contextMenu, hoveredPort.ValueType, XNode.NodePort.IO.Input); } } contextMenu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero)); if (NodeEditorPreferences.GetSettings().autoSave) { AssetDatabase.SaveAssets(); } }
/// <summary> Show right-click context menu for hovered port </summary> void ShowPortContextMenu(XNode.NodePort hoveredPort) { GenericMenu contextMenu = new GenericMenu(); foreach (var port in hoveredPort.GetConnections()) { var name = port.node.name; var index = hoveredPort.GetConnectionIndex(port); contextMenu.AddItem(new GUIContent($"Disconnect({name})"), false, () => hoveredPort.Disconnect(index)); } contextMenu.AddItem(new GUIContent("Clear Connections"), false, () => hoveredPort.ClearConnections()); contextMenu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero)); if (NodeEditorPreferences.GetSettings().autoSave) { AssetDatabase.SaveAssets(); } }
public void Controls() { wantsMouseMove = true; Event e = Event.current; switch (e.type) { case EventType.DragUpdated: case EventType.DragPerform: DragAndDrop.visualMode = DragAndDropVisualMode.Generic; if (e.type == EventType.DragPerform) { DragAndDrop.AcceptDrag(); graphEditor.OnDropObjects(DragAndDrop.objectReferences); } break; case EventType.MouseMove: //Keyboard commands will not get correct mouse position from Event lastMousePosition = e.mousePosition; break; case EventType.ScrollWheel: float oldZoom = zoom; if (e.delta.y > 0) { zoom += 0.1f * zoom; } else { zoom -= 0.1f * zoom; } if (NodeEditorPreferences.GetSettings().zoomToMouse) { panOffset += (1 - oldZoom / zoom) * (WindowToGridPosition(e.mousePosition) + panOffset); } break; case EventType.MouseDrag: if (e.button == 0) { if (IsDraggingPort) { // Set target even if we can't connect, so as to prevent auto-conn menu from opening erroneously if (IsHoveringPort && hoveredPort.IsInput && !draggedOutput.IsConnectedTo(hoveredPort)) { draggedOutputTarget = hoveredPort; } else { draggedOutputTarget = null; } Repaint(); } else if (currentActivity == NodeActivity.HoldNode) { RecalculateDragOffsets(e); currentActivity = NodeActivity.DragNode; Repaint(); } if (currentActivity == NodeActivity.DragNode) { // Holding ctrl inverts grid snap bool gridSnap = NodeEditorPreferences.GetSettings().gridSnap; if (e.control) { gridSnap = !gridSnap; } Vector2 mousePos = WindowToGridPosition(e.mousePosition); // Move selected nodes with offset for (int i = 0; i < Selection.objects.Length; i++) { if (Selection.objects[i] is XNode.Node) { XNode.Node node = Selection.objects[i] as XNode.Node; Undo.RecordObject(graphEditor.target, "Moved Node"); Vector2 initial = GetNodePosition(node); var newPosition = mousePos + dragOffset[i];; if (gridSnap) { newPosition.x = (Mathf.Round((newPosition.x + 8) / 16) * 16) - 8; newPosition.y = (Mathf.Round((newPosition.y + 8) / 16) * 16) - 8; } graphEditor.target.SetNodePosition(node, newPosition); // Offset portConnectionPoints instantly if a node is dragged so they aren't delayed by a frame. Vector2 offset = newPosition - initial; if (offset.sqrMagnitude > 0) { foreach (XNode.NodePort output in node.Outputs) { Rect rect; if (portConnectionPoints.TryGetValue(output, out rect)) { rect.position += offset; portConnectionPoints[output] = rect; } } foreach (XNode.NodePort input in node.Inputs) { Rect rect; if (portConnectionPoints.TryGetValue(input, out rect)) { rect.position += offset; portConnectionPoints[input] = rect; } } } } } // Move selected reroutes with offset for (int i = 0; i < selectedReroutes.Count; i++) { Vector2 pos = mousePos + dragOffset[Selection.objects.Length + i]; if (gridSnap) { pos.x = (Mathf.Round(pos.x / 16) * 16); pos.y = (Mathf.Round(pos.y / 16) * 16); } selectedReroutes[i].SetPoint(pos); } Repaint(); } else if (currentActivity == NodeActivity.HoldGrid) { currentActivity = NodeActivity.DragGrid; preBoxSelection = Selection.objects; preBoxSelectionReroute = selectedReroutes.ToArray(); dragBoxStart = WindowToGridPosition(e.mousePosition); Repaint(); } else if (currentActivity == NodeActivity.DragGrid) { Vector2 boxStartPos = GridToWindowPosition(dragBoxStart); Vector2 boxSize = e.mousePosition - boxStartPos; if (boxSize.x < 0) { boxStartPos.x += boxSize.x; boxSize.x = Mathf.Abs(boxSize.x); } if (boxSize.y < 0) { boxStartPos.y += boxSize.y; boxSize.y = Mathf.Abs(boxSize.y); } selectionBox = new Rect(boxStartPos, boxSize); Repaint(); } } else if (e.button == 1 || e.button == 2) { //check drag threshold for larger screens if (e.delta.magnitude > dragThreshold) { panOffset += e.delta * zoom; isPanning = true; } } break; case EventType.MouseDown: Repaint(); if (e.button == 0) { draggedOutputReroutes.Clear(); if (IsHoveringPort) { if (hoveredPort.IsOutput) { draggedOutput = hoveredPort; autoConnectOutput = hoveredPort; } else { hoveredPort.VerifyConnections(); autoConnectOutput = null; if (hoveredPort.IsConnected && graphEditor?.target != null) { XNode.Node node = hoveredPort.node; XNode.NodePort output = hoveredPort.GetConnections().FirstOrDefault(x => (graphEditor.target.nodes.Contains(x.node))); if (output != null) { int outputConnectionIndex = output.GetConnectionIndex(hoveredPort); draggedOutputReroutes = output.GetReroutePoints(outputConnectionIndex); hoveredPort.Disconnect(output); draggedOutput = output; draggedOutputTarget = hoveredPort; if (NodeEditor.onUpdateNode != null) { NodeEditor.onUpdateNode(node); } } } } } else if (IsHoveringNode && IsHoveringTitle(hoveredNode)) { // If mousedown on node header, select or deselect if (!Selection.Contains(hoveredNode)) { SelectNode(hoveredNode, e.control || e.shift); if (!e.control && !e.shift) { selectedReroutes.Clear(); } } else if (e.control || e.shift) { DeselectNode(hoveredNode); } // Cache double click state, but only act on it in MouseUp - Except ClickCount only works in mouseDown. isDoubleClick = (e.clickCount == 2); e.Use(); currentActivity = NodeActivity.HoldNode; } else if (IsHoveringReroute) { // If reroute isn't selected if (!selectedReroutes.Contains(hoveredReroute)) { // Add it if (e.control || e.shift) { selectedReroutes.Add(hoveredReroute); } // Select it else { selectedReroutes = new List <RerouteReference>() { hoveredReroute }; Selection.activeObject = null; } } // Deselect else if (e.control || e.shift) { selectedReroutes.Remove(hoveredReroute); } e.Use(); currentActivity = NodeActivity.HoldNode; } // If mousedown on grid background, deselect all else if (!IsHoveringNode) { currentActivity = NodeActivity.HoldGrid; if (!e.control && !e.shift) { selectedReroutes.Clear(); Selection.activeObject = null; } } } break; case EventType.MouseUp: if (e.button == 0) { //Port drag release if (IsDraggingPort) { // If connection is valid, save it if (draggedOutputTarget != null && draggedOutput.CanConnectTo(draggedOutputTarget)) { XNode.Node node = draggedOutputTarget.node; if (graph.nodes.Count != 0) { draggedOutput.Connect(draggedOutputTarget); } // ConnectionIndex can be -1 if the connection is removed instantly after creation int connectionIndex = draggedOutput.GetConnectionIndex(draggedOutputTarget); if (connectionIndex != -1) { draggedOutput.GetReroutePoints(connectionIndex).AddRange(draggedOutputReroutes); if (NodeEditor.onUpdateNode != null) { NodeEditor.onUpdateNode(node); } EditorUtility.SetDirty(graph); } } // Open context menu for auto-connection if there is no target node else if (draggedOutputTarget == null && NodeEditorPreferences.GetSettings().dragToCreate&& autoConnectOutput != null) { GenericMenu menu = new GenericMenu(); var mousePosition = NodeEditorWindow.current.WindowToGridPosition(Event.current.mousePosition); graphEditor.AddContextMenuItems(menu, mousePosition); menu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero)); } //Release dragged connection draggedOutput = null; draggedOutputTarget = null; EditorUtility.SetDirty(graph); if (NodeEditorPreferences.GetSettings().autoSave) { AssetDatabase.SaveAssets(); } } else if (currentActivity == NodeActivity.DragNode) { IEnumerable <XNode.Node> nodes = Selection.objects.Where(x => x is XNode.Node).Select(x => x as XNode.Node); foreach (XNode.Node node in nodes) { EditorUtility.SetDirty(node); } if (NodeEditorPreferences.GetSettings().autoSave) { AssetDatabase.SaveAssets(); } } else if (!IsHoveringNode) { // If click outside node, release field focus if (!isPanning) { EditorGUI.FocusTextInControl(null); EditorGUIUtility.editingTextField = false; } if (NodeEditorPreferences.GetSettings().autoSave) { AssetDatabase.SaveAssets(); } } // If click node header, select it. if (currentActivity == NodeActivity.HoldNode && !(e.control || e.shift)) { selectedReroutes.Clear(); SelectNode(hoveredNode, false); // Double click to center node if (isDoubleClick) { Vector2 nodeDimension = nodeSizes.ContainsKey(hoveredNode) ? nodeSizes[hoveredNode] / 2 : Vector2.zero; panOffset = -GetNodePosition(hoveredNode) - nodeDimension; } } // If click reroute, select it. if (IsHoveringReroute && !(e.control || e.shift)) { selectedReroutes = new List <RerouteReference>() { hoveredReroute }; Selection.activeObject = null; } Repaint(); currentActivity = NodeActivity.Idle; } else if (e.button == 1 || e.button == 2) { if (!isPanning) { if (IsDraggingPort) { draggedOutputReroutes.Add(WindowToGridPosition(e.mousePosition)); } else if (currentActivity == NodeActivity.DragNode && Selection.activeObject == null && selectedReroutes.Count == 1) { selectedReroutes[0].InsertPoint(selectedReroutes[0].GetPoint()); selectedReroutes[0] = new RerouteReference(selectedReroutes[0].port, selectedReroutes[0].connectionIndex, selectedReroutes[0].pointIndex + 1); } else if (IsHoveringReroute) { ShowRerouteContextMenu(hoveredReroute); } else if (IsHoveringPort) { ShowPortContextMenu(hoveredPort); } else if (IsHoveringNode && IsHoveringTitle(hoveredNode)) { if (!Selection.Contains(hoveredNode)) { SelectNode(hoveredNode, false); } autoConnectOutput = null; GenericMenu menu = new GenericMenu(); NodeEditor.GetEditor(hoveredNode, this).AddContextMenuItems(menu); menu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero)); e.Use(); // Fixes copy/paste context menu appearing in Unity 5.6.6f2 - doesn't occur in 2018.3.2f1 Probably needs to be used in other places. } else if (!IsHoveringNode) { autoConnectOutput = null; GenericMenu menu = new GenericMenu(); var positionOnGrid = WindowToGridPosition(Event.current.mousePosition); graphEditor.AddContextMenuItems(menu, positionOnGrid); menu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero)); } } isPanning = false; } // Reset DoubleClick isDoubleClick = false; break; case EventType.KeyDown: if (EditorGUIUtility.editingTextField) { break; } else if (e.keyCode == KeyCode.F) { Home(); } if (NodeEditorUtilities.IsMac()) { if (e.keyCode == KeyCode.Return) { RenameSelectedNode(); } } else { if (e.keyCode == KeyCode.F2) { RenameSelectedNode(); } } if (e.keyCode == KeyCode.A) { if (Selection.objects.Any(x => graph.nodes.Contains(x as XNode.Node))) { foreach (XNode.Node node in graph.nodes) { DeselectNode(node); } } else { foreach (XNode.Node node in graph.nodes) { SelectNode(node, true); } } Repaint(); } break; case EventType.ValidateCommand: case EventType.ExecuteCommand: if (e.commandName == "SoftDelete") { if (e.type == EventType.ExecuteCommand) { RemoveSelectedNodes(); } e.Use(); } else if (NodeEditorUtilities.IsMac() && e.commandName == "Delete") { if (e.type == EventType.ExecuteCommand) { RemoveSelectedNodes(); } e.Use(); } else if (e.commandName == "Duplicate") { if (e.type == EventType.ExecuteCommand) { DuplicateSelectedNodes(); } e.Use(); } else if (e.commandName == "Copy") { if (e.type == EventType.ExecuteCommand) { CopySelectedNodes(); } e.Use(); } else if (e.commandName == "Paste") { if (e.type == EventType.ExecuteCommand) { PasteNodes(WindowToGridPosition(lastMousePosition)); } e.Use(); } Repaint(); break; case EventType.Ignore: // If release mouse outside window if (e.rawType == EventType.MouseUp && currentActivity == NodeActivity.DragGrid) { Repaint(); currentActivity = NodeActivity.Idle; } break; } }