#define MAINWINDOW_H
#include <QMainWindow>
-#include <vector>
#include <string>
+#include <vector>
+
+class GLWidget;
+class QResizeEvent;
namespace Ui {
class MainWindow;
private:
Ui::MainWindow *ui;
QPushButton *transition_btn1, *transition_btn2, *transition_btn3;
+ std::vector<GLWidget *> previews;
};
extern MainWindow *global_mainwindow;