namespace Ui {
class loginbox;
}
class loginbox : public QDialog
{
Q_OBJECT
public:
explicit loginbox(QWidget *parent = 0);
~loginbox();
//QPoint last_position; //这两句代码加上就异常退出,不加就没事
//bool mouse_pressed=false; //这两句代码加上就异常退出,不加就没事
private:
Ui::loginbox *ui;
void mouseMoveEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
void mousePressEvent(QMouseEvent *event);
};

