def __init__(self, conn, keys=None):
if keys is None:
keys = {}
self.numlockmask = get_numlock_mask(conn)
self.syms = Keysyms(conn)
for keystr in keys:
self.bind(keystr, keys[keystr])
def get_numlock_mask(conn):
syms = Keysyms(conn)
numlock = syms.get_keycode(keysyms['Num_Lock'])
modmap = conn.core.GetModifierMapping().reply()
for i in range(8):
for j in range(modmap.keycodes_per_modifier):
keycode = modmap.keycodes[i * modmap.keycodes_per_modifier + j]
if keycode == numlock:
return MASKS[i]
return 0
