login 0 0 800 600 MainWindow <html><head/><body><p align="center"><span style=" font-size:72pt;">Login</span></p></body></html> <html><head/><body><p align="center"><span style=" font-size:36pt;">ID</span></p></body></html> <html><head/><body><p align="center"><span style=" font-size:36pt;">Password</span></p></body></html> QLineEdit::Password Login Register 0 0 800 19 App Exit Login Register