uinput-mapper/py/cinput.py
2013-04-19 00:10:15 +02:00

43 lines
964 B
Python

from linux_input import *
import array, struct, fcntl
def get_input_version(f):
buf = array.array('i', [0])
r = fcntl.ioctl(f, EVIOCGVERSION, buf)
v = struct.unpack('@i', buf)[0]
del r
return "%d.%d.%d" % ( v >> 16, (v >> 8) & 0xff, v & 0xff)
def get_input_name(f, l=256):
buf = array.array('c', ' ' * l)
r = fcntl.ioctl(f, EVIOCGNAME(l), buf)
v = struct.unpack('%ds' % l, buf)
del r
return v
_bpl = struct.calcsize('@L') * 8
_nbits = lambda x: ((x-1) / _bpl) + 1
_ll = _nbits(KEY_MAX)
test_bit = lambda j, v: (v[j / _bpl] >> (j % _bpl)) & 1
def get_keys(f, ev):
buf = array.array('L', [0L] * _ll)
try:
fcntl.ioctl(f, EVIOCGBIT(ev, KEY_MAX), buf)
except IOError:
print 'Whoops!'
yield None
return
v = struct.unpack('@%dL' % _ll, buf)
del buf
for j in range(0, KEY_MAX):
if test_bit(j, v):
yield j
#yield rev_keys[j]
return