concretemediator.h

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#ifndef CONCRETEMEDIATOR_H
#define CONCRETEMEDIATOR_H
 
#include "MediatorInterface.h"
#include <QObject>
 
class MainWindow; // 前向声明
 
class ConcreteMediator : public QObject, public MediatorInterface {
    Q_OBJECT
public:
    explicit ConcreteMediator(MainWindow *mainWindow);
    void notify(const QString &message) override;
 
private:
    MainWindow *mainWindow; // 持有MainWindow的引用或指针
};
 
#endif // CONCRETEMEDIATOR_H