Python PyQt5.QtGui 模块，QWidget() 实例源码

def __init__(self, vw, vwgui):
        self.vw = vw
        self.vwgui = vwgui

        QtGui.QWidget.__init__(self, parent=vwgui)
        self.setWindowTitle('Example Window!')
        button = QtGui.QPushButton('My Button!', parent=self)
        textedit = QtGui.QTextEdit('WOOT! Some text!', parent=self)
        self.setLayout(VBox(button, textedit))