def __init__(self, parent=None): super(App, self).__init__(parent) self.resize(700, 700) self.mdi = QMdiArea(self) self.setCentralWidget(self.mdi) self.future = future(self) self.mdi.addSubWindow(self.future) self.generator = generator(self) self.generator.show() self.mdi.addSubWindow(self.generator) self.About = About(self) self.About.hide() self.mdi.addSubWindow(self.About) self.mdi.addSubWindow(Errors) exitAction = QtGui.QAction(QtGui.QIcon('generator.png'), 'generator', self) exitAction.setShortcut('Ctrl+M') exitAction.triggered.connect(self.generator.show) self.toolbar = self.addToolBar('main') self.toolbar.addAction(exitAction) exitAction = QtGui.QAction(QtGui.QIcon('future.png'), 'future', self) exitAction.setShortcut('Ctrl+F') exitAction.triggered.connect(self.future.show) self.toolbar = self.addToolBar('future') self.toolbar.addAction(exitAction) exitAction = QtGui.QAction(QtGui.QIcon('Errors.png'), 'Errors', self) exitAction.setShortcut('Ctrl+E') exitAction.triggered.connect(self.About.show) self.toolbar = self.addToolBar('Errors') self.toolbar.addAction(exitAction) exitAction = QtGui.QAction(QtGui.QIcon('About_us.png'), 'About', self) exitAction.setShortcut('Ctrl+A') exitAction.triggered.connect(self.About.show) self.toolbar = self.addToolBar('About') self.toolbar.addAction(exitAction) self.future.show() self.future.setFocus()