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import sys
from PyQt5.QtWidgets import (QApplication, QWidget, QPushButton, QLineEdit, QMessageBox)
from PyQt5.QtCore import QCoreApplication
class MyWidget(QWidget):
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
self.setWindowTitle('Button example')
self.setGeometry(300, 300, 300, 200)
self.btn = QPushButton('Button', self)
self.btn.move(10, 10)
self.btn.clicked.connect(self.onClick)
btn_quit = QPushButton('Quit', self)
btn_quit.move(10, 50)
btn_quit.clicked.connect(QCoreApplication.instance().quit)
self.textbox = QLineEdit(self)
self.textbox.move(10, 90)
self.textbox.resize(160, 30)
self.show()
def onClick(self):
buttonReply = QMessageBox.question(self, 'Message', "Do you like PyQt5?",
QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
if buttonReply == QMessageBox.Yes:
print('Yes clicked.')
self.textbox.setText("Yes clicked.")
else:
print('No clicked.')
self.textbox.setText("No clicked.")
if __name__ == '__main__':
app = QApplication(sys.argv)
ex = MyWidget()
sys.exit(app.exec_())
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