cleans up more handlers

src/cpp/QtWidgets/QMainWindow/nmainwindow.h

@@ -22,11 +22,11 @@ private:
             }
             default: ; // do nothing
         }
-        return false;
+        return QMainWindow::eventFilter(object, event);
     }
     void resizeEvent(QResizeEvent * event){
         calculateLayout();
-        QWidget::resizeEvent(event);
+        QMainWindow::resizeEvent(event);
     }
 };
 

src/cpp/QtWidgets/QWidget/nwidget.h

@@ -11,12 +11,13 @@ class NWidget: public QWidget, public NodeWidget
 public:
     using QWidget::QWidget;
     // https://doc.qt.io/qt-5/stylesheet-reference.html
-    void paintEvent(QPaintEvent *)
+    void paintEvent(QPaintEvent *e)
     {
         QStyleOption opt;
         opt.init(this);
         QPainter p(this);
         style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
+        QWidget::paintEvent(e);
     }
 };