def wait_for_reply(self, sequence):
error_p = ffi.new("xcb_generic_error_t **")
data = lib.xcb_wait_for_reply(self._conn, sequence, error_p)
data = ffi.gc(data, lib.free)
try:
self._process_error(error_p[0])
finally:
if error_p[0] != ffi.NULL:
lib.free(error_p[0])
if data == ffi.NULL:
# No data and no error => bad sequence number
raise XcffibException("Bad sequence number %d" % sequence)
reply = ffi.cast("xcb_generic_reply_t *", data)
# why is this 32 and not sizeof(xcb_generic_reply_t) == 8?
return CffiUnpacker(data, known_max=32 + reply.length * 4)
def wait_for_reply(self, sequence):
error_p = ffi.new("xcb_generic_error_t **")
data = lib.xcb_wait_for_reply(self._conn, sequence, error_p)
data = ffi.gc(data, lib.free)
try:
self._process_error(error_p[0])
finally:
if error_p[0] != ffi.NULL:
lib.free(error_p[0])
if data == ffi.NULL:
# No data and no error => bad sequence number
raise XcffibException("Bad sequence number %d" % sequence)
reply = ffi.cast("xcb_generic_reply_t *", data)
# this is 32 and not `sizeof(xcb_generic_reply_t) == 8` because,
# according to the X11 protocol specs: "Every reply consists of 32 bytes
# followed by zero or more additional bytes of data, as specified in the
# length field."
return CffiUnpacker(data, known_max=32 + reply.length * 4)
def wait_for_reply(self, sequence):
error_p = ffi.new("xcb_generic_error_t **")
data = lib.xcb_wait_for_reply(self._conn, sequence, error_p)
data = ffi.gc(data, lib.free)
try:
self._process_error(error_p[0])
finally:
if error_p[0] != ffi.NULL:
lib.free(error_p[0])
if data == ffi.NULL:
# No data and no error => bad sequence number
raise XcffibException("Bad sequence number %d" % sequence)
reply = ffi.cast("xcb_generic_reply_t *", data)
# this is 32 and not `sizeof(xcb_generic_reply_t) == 8` because,
# according to the X11 protocol specs: "Every reply consists of 32 bytes
# followed by zero or more additional bytes of data, as specified in the
# length field."
return CffiUnpacker(data, known_max=32 + reply.length * 4)
def wait_for_event(self):
e = lib.xcb_wait_for_event(self._conn)
e = ffi.gc(e, lib.free)
self.invalid()
return self.hoist_event(e)
def wait_for_event(self):
e = lib.xcb_wait_for_event(self._conn)
e = ffi.gc(e, lib.free)
self.invalid()
return self.hoist_event(e)
