funcs_any_win.py 文件源码

def shell__pump_messages(on_exit_callback=None):
    assert on_exit_callback is None or callable(on_exit_callback)
    message = wintypes.MSG()
    while True:
        msg = GetMessageW(byref(message), 0, 0, 0)
        if msg <= 0:
            # print("DEBUG quit message in queue")
            # 0 means WM_QUIT, < 0 means error
            if on_exit_callback is not None and callable(on_exit_callback):
                on_exit_callback()
            else:
                sys.exit(0)
        else:
            TranslateMessage(byref(message))
            DispatchMessageW(byref(message))


# see https://msdn.microsoft.com/en-us/library/windows/desktop/ms644967(v=vs.85).aspx