ref: draft

Widgets/instructorbuttongroupwidget.h

@@ -2,33 +2,31 @@
 #define INSTRUCTORBUTTONGROUPWIDGET_H
 
 #include <QWidget>
-#include "mainwindow.h"
 
 namespace Ui {
 class InstructorButtonGroupWidget;
 }
 
-class MainWindow;
-
 class InstructorButtonGroupWidget : public QWidget
 {
     Q_OBJECT
 
 public:
     explicit InstructorButtonGroupWidget(QWidget *parent = nullptr);
-    void initialize(MainWindow *mainWindow);
+    void initialize();
 
     ~InstructorButtonGroupWidget();
+signals:
+    void sigLoadToServer();
+    void sigUndoCurrentChanges();
+    void sigStartUnityClient();
 private slots:
     void on_loadToServerButton_clicked();
-
     void on_undoChangesButton_clicked();
-
     void on_startWithCurrentChangesButton_clicked();
 
 private:
     Ui::InstructorButtonGroupWidget *ui;
-    MainWindow *mainWindow;
 };
 
 #endif // INSTRUCTORBUTTONGROUPWIDGET_H