如何使用Python Xlib监视鼠标事件而不是捕获它们？

问题描述

我需要使用Python中的Xlib来监视和过滤鼠标事件。

I need to monitor and filter mouse events with Xlib in Python.

到目前为止，我发现这个代码接收到事件但是没有传递它们，所以我实际上不能用鼠标做任何事情。

So far I have found out that this code receives events, but does not pass them on, so I can't actually do anything with the mouse anymore.

from Xlib.display import Display
from Xlib import X

display = Display(':0')
root = display.screen().root

root.grab_pointer(True, X.ButtonPressMask | X.ButtonReleaseMask, X.GrabModeAsync, X.GrabModeAsync, 0, 0, X.CurrentTime)

while True:
    print "Event:"
    print display.next_event()

我发现的替代方法是使用

Alternatives I found are using

root.change_attributes(event_mask=X.ButtonPressMask | X.ButtonReleaseMask)

哪个不起作用或使用RECORD扩展名到Xlib，我无法弄清楚它是如何工作的。

Which does not work at all or using the RECORD extension to Xlib, which I can't figure out how it works.

推荐答案

答案似乎是使用Xlib与REC ORD，结果可以在这里看到：

The answer seemed to be to use Xlib with RECORD, the result can be seen here:http://github.com/pepijndevos/PyMouse/blob/master/unix.py#L38

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