PyQt_test/classic_window.py at master · dlzrmr99/PyQt_test · GitHub

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import sys
from PyQt5.QtWidgets import QMainWindow, QTextEdit, QAction, QApplication, QDesktopWidget
from PyQt5.QtGui import QIcon


class Example(QMainWindow):

    def __init__(self):
        super().__init__()

        self.initUI()

    def initUI(self):
        textEdit = QTextEdit()
        self.setCentralWidget(textEdit)

        exitAction = QAction(QIcon('exit24.png'), 'Exit', self)
        exitAction.setShortcut('Ctrl+Q')
        exitAction.setStatusTip('Exit application')
        exitAction.triggered.connect(self.close)

        self.statusBar()

        menubar = self.menuBar()
        fileMenu = menubar.addMenu('&File')
        fileMenu.addAction(exitAction)

        toolbar = self.addToolBar('Exit')
        toolbar.addAction(exitAction)

        self.setGeometry(300, 300, 500, 500)
        self.center()
        self.setWindowTitle('Main window')
        self.show()

    def center(self):
        qr = self.frameGeometry()
        cp = QDesktopWidget().availableGeometry().center()
        qr.moveCenter(cp)
        self.move(qr.topLeft())


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