Python 实现这种跟随窗口移动的效果还有什么办法? - V2EX
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liKeYunKeji

Python 实现这种跟随窗口移动的效果还有什么办法?

 
  •   liKeYunKeji Jul 20, 2022 3241 views
    This topic created in 1404 days ago, the information mentioned may be changed or developed.

    最近在做一个工具,主要是跟随微信窗口移动的,我的实现方法就是用 tkinter 创建一个界面,然后 win32api 获得微信窗口的实时位置,while True 实时 0.5s 获取一次位置,然后跟随微信窗口一起移动。

    while True: point = win32api.GetCursorPos() print('当前鼠标坐标:' + str(point)) # 通过坐标获取窗口句柄 jb = win32gui.WindowFromPoint(point); wintitle = get_title(jb) # 获取窗口坐标 get_windows_location(jb) time.sleep(0.5) if(wintitle == '微信' or wintitle == ''): root.state('normal') root.update() else: root.state('withdrawn') 


    一直 while True 循环下去会不会占用电脑过多的资源?或者大家有没有其他更好的方案去做这个效果?
    8 replies    2022-07-21 00:34:49 +08:00
    ysc3839
        1
    ysc3839  
       Jul 20, 2022
    轮询应该不是正确的做法,用 SetWinEventHook 也许可以实现
    https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setwineventhook
    ysc3839
        2
    ysc3839  
       Jul 20, 2022   3
    自己试了下 SetWinEventHook 是可行的,窗口移动时会触发 EVENT_OBJECT_LOCATIONCHANGE 事件
    codehz
        3
    codehz  
       Jul 20, 2022 via Android   1
    ( win32 的话,其实还有更 cursed 的方法:把目标窗口嵌入到自己窗口里,然后自己处理窗口事件,这样还能支持最大化(
    liKeYunKeji
        4
    liKeYunKeji  
    OP
       Jul 20, 2022
    @ysc3839 多谢,也试一下!
    delectate
        5
    delectate  
       Jul 20, 2022   1
    1 、while true ,只要有 sleep ,就没问题,不会占用太多资源。这点可以放心;
    2 、微信是 DirectUI 画的,很多时候标准的 api 不兼容,建议用最稳妥最笨的方法实现,反而可靠;
    3 、尽量不要魔改微信,包括 hook 、修改任一可执行文件,嵌入窗体等等。鬼知道腾讯会不会一时兴起直接封号。
    hanssx
        6
    hanssx  
       Jul 20, 2022
    2 楼方法应该是可以的,感觉只能 hook wx 窗口事件
    liKeYunKeji
        7
    liKeYunKeji  
    OP
       Jul 20, 2022
    @delectate 我感觉也是,hook 微信感觉会被监测进程,如果只是寄生在微信身上又不会被微信发现。
    uvwlab
        8
    uvwlab  
       Jul 21, 2022 via Android
    肯定不能用轮训
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