[qt5] sender() method

event_sender.py

__author__ = 'tom'

import sys
from PyQt5.QtWidgets import QMainWindow, QPushButton, QApplication


class Example(QMainWindow):
    def __init__(self):
        super().__init__()
        self.init_ui()

    def init_ui(self):
        btn1 = QPushButton("Button 1", self)
        btn1.move(30, 50)
        btn2 = QPushButton("Button 2", self)
        btn2.move(150, 50)

        btn1.clicked.connect(self.button_clicked)
        btn2.clicked.connect(self.button_clicked)

        self.statusBar()

        self.setGeometry(300, 300, 290, 150)
        self.setWindowTitle('Event handler')
        self.show()

    def button_clicked(self):
        sender = self.sender()
        self.statusBar().showMessage(sender.text() + ' was pressed')


if __name__ == "__main__":
    app = QApplication(sys.argv)
    ex = Example()
    sys.exit(app.exec_())