widgets.py 文件源码

def dragEnterEvent(self, event):
        """
        Handle 'Drag Enter' event.
        """
        if event.mimeData().hasUrls():
            B3App.Instance().setOverrideCursor(QCursor(Qt.DragCopyCursor))
            event.setDropAction(Qt.CopyAction)
            event.accept()
        else:
            event.ignore()