1. import sys
2. import PySide2
3.  
4. from PySide2 import QtGui, QtWidgets
5. from PySide2.QtCore import Qt
6. from PySide2.QtWidgets import *
7.  
8. class App(QWidget):
9.  
10.     def __init__(self, parent=None):
11.  
12.         QWidget.__init__(self,parent)
13.  
14.         grid = QGridLayout(self)
15.         btnStart = QPushButton("Start")
16.         btnShtdw = QPushButton("Shutdown")
17.         btnStdBy = QPushButton("Stand By")
18.         grid.addWidget( btnStart, 1,1)
19.         grid.addWidget( btnShtdw, 2,2)
20.         grid.addWidget( btnStdBy, 3,1)
21.         self.setLayout(grid)
22.         self.setFixedSize(400,300)
23.  
24. def location_on_the_screen(self):
25.     avlGeo = QDesktopWidget().availableGeometry()
26.     scrGeo = QDesktopWidget().screenGeometry()
27.  
28.     widget = self.geometry()
29.     x = avlGeo.width() - widget.width()
30.     y = 4 * avlGeo.height() - scrGeo.height() - widget.height()
31.     self.move(x,y)
32.  
33. def appClose(self):
34.     self.close()
35.  
36. def closeEvent(self, ev):
37.     resp= QMessageBox.question( self, "komunikat",
38.     "czy aby napewno zakonczyc dzialanie aplikacji?",
39.     QMessageBox.Yes | QMessageBox.No, QMessageBox.NO )
40.     if resp == QMessageBox.Yes:
41.         ev.accept()
42.     else:
43.         ev.ignore()
44.  
45. def read():
46.     plik = "test.txt"
47.     with open(plik, "r") as reader:
48.         content = reader.readlines()
49.         print(content)
50.  
51. if __name__=='__main__':
52.     app = QApplication(sys.argv)
53.     win = App()
54.     win.setWindowTitle('Room PC ctrl')
55.     win.show()
56.     sys.exit(app.exec_())
57.    
58.