import sys
from PyQt5.QtWidgets import QApplication, QMainWindow
from PyQt5.QtCore import QFile
from prova_ui import Ui_MainWindow

class MainWindow(QMainWindow):
    def __init__(self):
        super(MainWindow, self).__init__()
        self.ui = Ui_MainWindow()
        self.ui.setupUi(self)

        self.ui.loadMenu.triggered.connect(self.loadClicked)
        self.ui.saveMenu.triggered.connect(self.saveClicked)
        self.ui.loadButton.clicked.connect(self.loadClicked)
        self.ui.saveButton.clicked.connect(self.saveClicked)
        self.ui.newButton.clicked.connect(self.newClicked)


    def loadClicked(self):
        print("load clicked")

    def saveClicked(self):
        print("save clicked")

    def newClicked(self):
        print("new clicked")

if __name__ == "__main__":
    app = QApplication(sys.argv)

    window = MainWindow()
    window.show()

    sys.exit(app.exec_())