monitor/include/mainwindow.h

#include <QMainWindow>
#include <QStackedWidget>

#define MAX_CANVAS_COUNT 12

class MainWindow : public QMainWindow
{
    Q_OBJECT

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

protected:
    void init_ui();

private:
    QStackedWidget *m_pStackedWidget;
    
};