If a long list of files is being processed and the user closes the app window, the python process will continue running until complete (with no indication that this is happening), which is not intuitive behavior. If the user closes the window, the thread doing the copying should be interrupted and the partially-copied file cleaned up.
If a long list of files is being processed and the user closes the app window, the python process will continue running until complete (with no indication that this is happening), which is not intuitive behavior. If the user closes the window, the thread doing the copying should be interrupted and the partially-copied file cleaned up.