justhomework/SoftwareDesign/Code/2-3-4/mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QMouseEvent>
#include <QWheelEvent>

QT_BEGIN_NAMESPACE
namespace Ui {
class MainWindow;
}
QT_END_NAMESPACE

class MainWindow : public QMainWindow {
  Q_OBJECT

public:
  MainWindow(QWidget *parent = nullptr);
  ~MainWindow();

private:
  Ui::MainWindow *ui;

protected:
  void mousePressEvent(QMouseEvent *e);
  void mouseReleaseEvent(QMouseEvent *e);
  void mouseDoubleClickEvent(QMouseEvent *e);
  void mouseMoveEvent(QMouseEvent *e);
  void wheelEvent(QWheelEvent *e);
};
#endif // MAINWINDOW_H