[EventHandlerAttribute(-4)] // Absolute first to call!
private static void HandleFocussing(NodeEditorInputInfo inputInfo)
{
NodeEditorState state = inputInfo.editorState;
//必须放在这个地方，因为需要处理连线问题，如果不每次刷新就检测，就无法处理
state.focusedNode = NodeEditor.NodeAtPosition(NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos), out state.focusedConnectionKnob);
}
104)] // Priority over hundred to make it call after the GUI, and before Node dragging (110) and window panning (105)
private static void HandleGroupDraggingStart(NodeEditorInputInfo inputInfo)
{
if (GUIUtility.hotControl > 0)
{
return; // GUI has control
}
NodeEditorState state = inputInfo.editorState;
if (inputInfo.inputEvent.button == 0 && state.focusedNode == null && state.dragNode == false)
{
// Do not interfere with other dragging stuff
NodeGroup focusedGroup = GroupAtPositionInput(state, NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos));
if (focusedGroup != null)
{
// Start dragging the focused group
UpdateGroupOrder();
Vector2 canvasInputPos = NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos);
if (CheckBorderSelection(state, focusedGroup.bodyRect, canvasInputPos, out NodeGroup.resizeDir))
{
// Resizing
state.activeGroup = focusedGroup;
// Get start drag position
Vector2 startSizePos = Vector2.zero;
if ((NodeGroup.resizeDir & BorderSelection.Left) != 0)
{
startSizePos.x = focusedGroup.rect.xMin;
}
else if ((NodeGroup.resizeDir & BorderSelection.Right) != 0)
{
startSizePos.x = focusedGroup.rect.xMax;
}
if ((NodeGroup.resizeDir & BorderSelection.Top) != 0)
{
startSizePos.y = focusedGroup.rect.yMin;
}
else if ((NodeGroup.resizeDir & BorderSelection.Bottom) != 0)
{
startSizePos.y = focusedGroup.rect.yMax;
}
// Start the resize drag
state.StartDrag("group", inputInfo.inputPos, startSizePos);
state.resizeGroup = true;
inputInfo.inputEvent.Use();
}
else if (focusedGroup.headerRect.Contains(canvasInputPos))
{
// Dragging
state.activeGroup = focusedGroup;
state.StartDrag("group", inputInfo.inputPos, state.activeGroup.rect.position);
state.activeGroup.UpdatePins();
inputInfo.inputEvent.Use();
}
}
}
}
private static void DuplicateNode(NodeEditorInputInfo inputInfo)
{
NodeEditorState state = inputInfo.editorState;
if (state.focusedNode != null && state.canvas.CanAddNode(state.focusedNode.GetID))
{ // Create new node of same type
Node.Create(state.focusedNode.GetID, NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos), state.canvas, state.connectKnob);
state.connectKnob = null;
inputInfo.inputEvent.Use();
}
}
private static void HandleFocussing(NodeEditorInputInfo inputInfo)
{
NodeEditorState editorState = inputInfo.editorState;
editorState.focusedNode = NodeEditor.NodeAtPosition(NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos), out editorState.focusedNodeKnob);
if ((UnityEngine.Object)unfocusControlsForState == (UnityEngine.Object)editorState && Event.current.type == EventType.Repaint)
{
GUIUtility.hotControl = 0;
GUIUtility.keyboardControl = 0;
unfocusControlsForState = null;
}
}
private static void DuplicateNode(NodeEditorInputInfo inputInfo)
{
inputInfo.SetAsCurrentEnvironment();
NodeEditorState state = inputInfo.editorState;
if (state.focusedNode != null)
{ // Create new node of same type
Node duplicatedNode = Node.Create(state.focusedNode.GetID, NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos), state.connectOutput);
state.selectedNode = state.focusedNode = duplicatedNode;
state.connectOutput = null;
inputInfo.inputEvent.Use();
}
}
private static void CreateNodeCallback(object infoObj)
{
NodeEditorInputInfo callback = infoObj as NodeEditorInputInfo;
if (callback == null)
{
throw new UnityException("Callback Object passed by context is not of type NodeEditorInputInfo!");
}
Node.Create(callback.message, NodeEditor.ScreenToCanvasSpace(callback.inputPos), callback.editorState.canvas, callback.editorState.connectKnob);
callback.editorState.connectKnob = null;
NodeEditor.RepaintClients();
}
private static void DuplicateNode(NodeEditorInputInfo inputInfo)
{
inputInfo.SetAsCurrentEnvironment();
NodeEditorState state = inputInfo.editorState;
if (state.focusedNode != null && NodeEditor.curNodeCanvas.CanAddNode(state.focusedNode.GetID))
{ // Create new node of same type
Node duplicatedNode = Node.CreateCopy(state.focusedNode, NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos), state.connectKnob, false);
state.selectedNode = state.focusedNode = duplicatedNode;
state.connectKnob = null;
inputInfo.inputEvent.Use();
}
}
private static void DuplicateNode(NodeEditorInputInfo inputInfo)
{
inputInfo.SetAsCurrentEnvironment();
NodeEditorState editorState = inputInfo.editorState;
if ((UnityEngine.Object)editorState.focusedNode != (UnityEngine.Object)null)
{
Node focusedNode = Node.Create(editorState.focusedNode.GetID, NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos), editorState.connectOutput);
editorState.selectedNode = (editorState.focusedNode = focusedNode);
editorState.connectOutput = null;
inputInfo.inputEvent.Use();
}
}
private static void CreateNodeCallback(object infoObj)
{
NodeEditorInputInfo nodeEditorInputInfo = infoObj as NodeEditorInputInfo;
if (nodeEditorInputInfo == null)
{
throw new UnityException("Callback Object passed by context is not of type NodeEditorInputInfo!");
}
nodeEditorInputInfo.SetAsCurrentEnvironment();
Node.Create(nodeEditorInputInfo.message, NodeEditor.ScreenToCanvasSpace(nodeEditorInputInfo.inputPos), nodeEditorInputInfo.editorState.connectOutput);
nodeEditorInputInfo.editorState.connectOutput = null;
NodeEditor.RepaintClients();
}
[EventHandlerAttribute(-4)] // Absolute first to call!
private static void HandleFocussing(NodeEditorInputInfo inputInfo)
{
NodeEditorState state = inputInfo.editorState;
// Choose focused Node
state.focusedNode = NodeEditor.NodeAtPosition(NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos), out state.focusedConnectionKnob);
// Perform focus changes in Repaint, which is the only suitable time to do this
if (unfocusControlsForState == state && Event.current.type == EventType.Repaint)
{
GUIUtility.hotControl = 0;
GUIUtility.keyboardControl = 0;
unfocusControlsForState = null;
}
}
[EventHandlerAttribute(EventType.MouseDown, -1)] // Before the other context clicks because they won't account for groups
private static void HandleGroupContextClick(NodeEditorInputInfo inputInfo)
{
NodeEditorState state = inputInfo.editorState;
if (inputInfo.inputEvent.button == 1 && state.focusedNode == null)
{ // Right-click NOT on a node
NodeGroup focusedGroup = HeaderAtPosition(state, NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos));
if (focusedGroup != null)
{ // Context click for the group. This is static, not dynamic, because it would be useless
GenericMenu context = new GenericMenu();
context.AddItem(new GUIContent("Delete"), false, () => { NodeEditor.curNodeCanvas = state.canvas; focusedGroup.Delete(); });
context.ShowAsContext();
inputInfo.inputEvent.Use();
}
}
}
[EventHandlerAttribute(EventType.MouseDown, 20)] // Priority over hundred to make it call after the GUI
private static void HandleWindowSelectionStart(NodeEditorInputInfo inputInfo)
{
if (GUIUtility.hotControl > 0)
{
return; // GUI has control
}
NodeEditorState state = inputInfo.editorState;
if (inputInfo.inputEvent.button == 0 && state.focusedNode == null &&
NodeGroup.HeaderAtPosition(state, NodeEditor.ScreenToCanvasSpace(inputInfo.inputPos)) == null)
{
// Left clicked on the empty canvas -> Start the selection process
state.boxSelecting = true;
startSelectionPos = inputInfo.inputPos;
}
}
private static void CreateGroup(NodeEditorInputInfo info)
{
NodeEditor.curEditorState = info.editorState;
NodeEditor.curNodeCanvas = info.editorState.canvas;
new NodeGroup("Group", NodeEditor.ScreenToCanvasSpace(info.inputPos));
}
private static void CreateGroup(NodeEditorInputInfo info)
{
info.SetAsCurrentEnvironment();
new NodeGroup("Group", NodeEditor.ScreenToCanvasSpace(info.inputPos));
}
