In this PyQt5 tutorial, we are going to learn how to pass information from one window to another.
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Source Code:
import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLineEdit, QPushButton, QVBoxLayout, QLabel
class SecondWindow(QWidget):
def __init__(self):
super().__init__()
self.setWindowTitle('second window')
self.setFixedWidth(500)
self.setStyleSheet("""
QLineEdit{
font-size: 30px
}
QPushButton{
font-size: 30px
}
""")
mainLayout = QVBoxLayout()
self.input1 = QLineEdit()
self.input2 = QLineEdit()
mainLayout.addWidget(self.input1)
mainLayout.addWidget(self.input2)
self.closeButton = QPushButton('Close')
self.closeButton.clicked.connect(self.close)
mainLayout.addWidget(self.closeButton)
self.setLayout(mainLayout)
def displayInfo(self):
self.show()
class MainWindow(QWidget):
def __init__(self):
super().__init__()
self.setWindowTitle('Main Window')
self.setFixedWidth(800)
self.secondWindow = SecondWindow()
mainLayout = QVBoxLayout()
self.setStyleSheet("""
QLineEdit{height: 40px; font-size: 30px}
QLabel{font-size: 30px}
""")
self.name = QLineEdit()
self.age = QLineEdit()
mainLayout.addWidget(QLabel('Name:'))
mainLayout.addWidget(self.name)
mainLayout.addWidget(QLabel('Age:'))
mainLayout.addWidget(self.age)
self.Confirm = QPushButton('Confirm')
self.Confirm.setStyleSheet('font-size: 30px')
self.Confirm.clicked.connect(self.passingInformation)
mainLayout.addWidget(self.Confirm)
self.setLayout(mainLayout)
def passingInformation(self):
self.secondWindow.input1.setText(self.name.text())
self.secondWindow.input2.setText(self.age.text())
self.secondWindow.displayInfo()
if __name__ == '__main__':
app = QApplication(sys.argv)
demo = MainWindow()
demo.show()
sys.exit(app.exec_())
