app_interface.py 文件源码

def __init__(self, document):
        """
        Args:
            document (Document):
        """
        super().__init__(None)  # no brown object exists for this
                                # TODO: make one
        self.document = document
        self.app = QtWidgets.QApplication([])
        self.main_window = MainWindow()
        self.scene = QtWidgets.QGraphicsScene()
        self.view = self.main_window.graphicsView
        self.view.setScene(self.scene)
        self.registered_music_fonts = {}
        self.font_database = QtGui.QFontDatabase()

    ######## PUBLIC METHODS ########