// Window GUI function
void OnWindowGUI(int id)
{
// It can update the button position info on a repaint event.
var rectUpdate = (Event.current.type == EventType.Repaint);
// Draw the inlet labels and buttons.
foreach (var inlet in _inlets)
{
if (inlet.DrawGUI(rectUpdate))
{
// The inlet button was pressed; nofity via FeedbackQueue.
FeedbackQueue.Enqueue(new FeedbackQueue.InletButtonRecord(this, inlet));
}
}
// Draw the outlet labels and buttons.
foreach (var outlet in _outlets)
{
if (outlet.DrawGUI(rectUpdate))
{
// The outlet button was pressed; nofity via FeedbackQueue.
FeedbackQueue.Enqueue(new FeedbackQueue.OutletButtonRecord(this, outlet));
}
}
// The standard GUI behavior.
_controlID = GUIUtility.GetControlID(FocusType.Keyboard);
GUI.DragWindow();
// Is this window clicked?
if (Event.current.type == EventType.Used)
{
// Then assume it's active one.
_activeWindowID = id;
// Grab the keyboard focus.
EditorGUIUtility.keyboardControl = _controlID;
}
var e = Event.current;
if (e.GetTypeForControl(_controlID) == EventType.ValidateCommand)
{
if (e.commandName == "Delete" || e.commandName == "SoftDelete")
{
e.Use();
}
}
if (e.GetTypeForControl(_controlID) == EventType.ExecuteCommand)
{
if (e.commandName == "Delete" || e.commandName == "SoftDelete")
{
FeedbackQueue.Enqueue(new FeedbackQueue.DeleteNodeRecord(this));
}
}
}
// GUI function for the main view
void DrawMainViewGUI()
{
FeedbackQueue.Reset();
_scrollMain = EditorGUILayout.BeginScrollView(
_scrollMain, false, false,
GUIStyles.horizontalScrollbar,
GUIStyles.verticalScrollbar,
GUIStyles.background
);
// Draw the link lines.
if (Event.current.type == EventType.Repaint)
{
foreach (var node in _patch.nodeList)
{
if (!node.DrawLinkLines(_patch))
{
// Request repaint if position info is not ready.
Repaint();
break;
}
}
}
// Draw all the nodes and make the bounding box.
BeginWindows();
foreach (var node in _patch.nodeList)
{
node.DrawWindowGUI();
_mainViewSize = Vector2.Max(_mainViewSize, node.windowPosition);
}
EndWindows();
// Place an empty box to expand the scroll view.
GUILayout.Box(
"", EditorStyles.label,
GUILayout.Width(_mainViewSize.x + 256),
GUILayout.Height(_mainViewSize.y + 128)
);
// Draw working link line while wiring.
if (_wiring != null)
{
DrawWorkingLink();
}
EditorGUILayout.EndScrollView();
// Process all the feedback from the leaf UI elements.
while (!FeedbackQueue.IsEmpty)
{
ProcessUIFeedback(FeedbackQueue.Dequeue());
}
}
