Linux j-pc 4.4.0-83-generic <a class="issue-link js-issue-link" data-error-text="Faile

Segmentation Fault when trying to use mouse.record(button='F2') about mouse HOT 2 OPEN

boppreh commented on August 24, 2024 3

Segmentation Fault when trying to use mouse.record(button='F2')

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Comments (2)

jh46 commented on August 24, 2024 1

The problem seems to be that in build_display() "display" is passed as C int to XDefaultRootWindow(). On platforms where pointers don't fit to C int that just doesn't work.

Here is a patch to fix the problem:

--- ./mouse/_nixmouse.py.orig	2018-05-18 14:12:49.039934827 +0300
+++ ./mouse/_nixmouse.py	2018-05-25 15:49:15.298608794 +0300
@@ -7,7 +7,10 @@
 
 import ctypes
 import ctypes.util
-from ctypes import c_uint32, c_uint, c_int, byref
+from ctypes import c_uint32, c_uint, c_int, c_void_p, byref
+
+class c_ptr(c_void_p):
+    pass
 
 display = None
 window = None
@@ -16,12 +19,11 @@
     global display, window, x11
     if display and window and x11: return
     x11 = ctypes.cdll.LoadLibrary(ctypes.util.find_library('X11'))
+    x11.XOpenDisplay.restype = c_ptr
     # Required because we will have multiple threads calling x11,
     # such as the listener thread and then main using "move_to".
     x11.XInitThreads()
     display = x11.XOpenDisplay(None)
-    # Known to cause segfault in Fedora 23 64bits, no known workarounds.
-    # http://stackoverflow.com/questions/35137007/get-mouse-position-on-linux-pure-python
     window = x11.XDefaultRootWindow(display)
 
 def get_position():

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boppreh commented on August 24, 2024

Sorry, the Linux part has seen little love recently. I'm just finishing some major changes to keyboard and Linux crashes will be the next top priority.

Thank you for the report.

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