Transcription naïve

Voilà une version en Python qui fonctionne. À lancer avec les droits qui vont bien.

#! /usr/bin/env python
# -*- coding: UTF-8 -*-

def shift(c):
n = ord(c)
return n if n <= 128 else n - 256

def main():
try:
fmouse = open("/dev/input/mice", "r")
left_pressed = 0
dx = 0.0
dy = 0.0

while not left_pressed:
bytes_read = fmouse.read(3)
left_pressed = ord(bytes_read[0]) & 1

dx = dx + shift(bytes_read[1])
dy = dy + shift(bytes_read[2])

print "x is", dx
print "y is", dy

finally:
fmouse.close()

if __name__ == "__main__":
main()