rendered paste bodyHeader:#ifndef _NEWFORM_H#define _NEWFORM_H#include "ui_newForm.h"class newForm : public QMainWindow { Q_OBJECTpublic: newForm(); virtual ~newForm(); void test();private: Ui::newForm widget; private slots: void on_pushButton_clicked();};#endif /* _NEWFORM_H */cpp:#include <iostream>#include "newForm.h"newForm::newForm() { //QWidget(parent); QMetaObject::connectSlotsByName(this); widget.setupUi(this); //connect( , SIGNAL(clicked()),this, SLOT(test()));}void newForm::on_pushButton_clicked(){ std::cout << "penis\n";}newForm::~newForm() {}