class ConnectionSetupRequest(rq.GetAttrData):
_request = rq.Struct(rq.Set('byte_order', 1, (0x42, 0x6c)), rq.Pad(1),
rq.Card16('protocol_major'),
rq.Card16('protocol_minor'),
rq.LengthOf('auth_prot_name', 2),
rq.LengthOf('auth_prot_data', 2), rq.Pad(2),
rq.String8('auth_prot_name'),
rq.String8('auth_prot_data'))
_reply = rq.Struct(rq.Card8('status'), rq.Card8('reason_length'),
rq.Card16('protocol_major'),
rq.Card16('protocol_minor'),
rq.Card16('additional_length'))
_success_reply = rq.Struct(
rq.Card32('release_number'),
rq.Card32('resource_id_base'),
rq.Card32('resource_id_mask'),
rq.Card32('motion_buffer_size'),
rq.LengthOf('vendor', 2),
rq.Card16('max_request_length'),
rq.LengthOf('roots', 1),
rq.LengthOf('pixmap_formats', 1),
rq.Card8('image_byte_order'),
rq.Card8('bitmap_format_bit_order'),
rq.Card8('bitmap_format_scanline_unit'),
rq.Card8('bitmap_format_scanline_pad'),
rq.Card8('min_keycode'),
rq.Card8('max_keycode'),
rq.Pad(4),
rq.String8('vendor'),
rq.List('pixmap_formats', PixmapFormat),
rq.List('roots', Screen),
)
def __init__(self, display, *args, **keys):
self._binary = apply(self._request.to_binary, args, keys)
self._data = None
# Don't bother about locking, since no other threads have
# access to the display yet
display.request_queue.append((self, 1))
# However, we must lock send_and_recv, but we don't have
# to loop.
display.send_recv_lock.acquire()
display.send_and_recv(request=-1)
class AllocNamedColor(rq.ReplyRequest):
_request = rq.Struct(
rq.Opcode(85),
rq.Pad(1),
rq.RequestLength(),
rq.Colormap('cmap'),
rq.LengthOf('name', 2),
rq.Pad(2),
rq.String8('name'),
)
_reply = rq.Struct(
rq.ReplyCode(),
rq.Pad(1),
rq.Card16('sequence_number'),
rq.ReplyLength(),
rq.Card32('pixel'),
rq.Card16('exact_red'),
rq.Card16('exact_green'),
rq.Card16('exact_blue'),
rq.Card16('screen_red'),
rq.Card16('screen_green'),
rq.Card16('screen_blue'),
rq.Pad(8),
)
class OpenFont(rq.Request):
_request = rq.Struct(
rq.Opcode(45),
rq.Pad(1),
rq.RequestLength(),
rq.Font('fid'),
rq.LengthOf('name', 2),
rq.Pad(2),
rq.String8('name'),
)
class StoreNamedColor(rq.Request):
_request = rq.Struct(
rq.Opcode(90),
rq.Card8('flags'),
rq.RequestLength(),
rq.Colormap('cmap'),
rq.Card32('pixel'),
rq.LengthOf('name', 2),
rq.Pad(2),
rq.String8('name'),
)
class ImageText8(rq.Request):
_request = rq.Struct(
rq.Opcode(76),
rq.LengthOf('string', 1),
rq.RequestLength(),
rq.Drawable('drawable'),
rq.GC('gc'),
rq.Int16('x'),
rq.Int16('y'),
rq.String8('string'),
)
class GetAtomName(rq.ReplyRequest):
_request = rq.Struct(rq.Opcode(17), rq.Pad(1), rq.RequestLength(),
rq.Card32('atom'))
_reply = rq.Struct(
rq.ReplyCode(),
rq.Pad(1),
rq.Card16('sequence_number'),
rq.ReplyLength(),
rq.LengthOf('name', 2),
rq.Pad(22),
rq.String8('name'),
)
class PutImage(rq.Request):
_request = rq.Struct(
rq.Opcode(72),
rq.Set('format', 1, (X.XYBitmap, X.XYPixmap, X.ZPixmap)),
rq.RequestLength(),
rq.Drawable('drawable'),
rq.GC('gc'),
rq.Card16('width'),
rq.Card16('height'),
rq.Int16('dst_x'),
rq.Int16('dst_y'),
rq.Card8('left_pad'),
rq.Card8('depth'),
rq.Pad(2),
rq.String8('data'),
)
class InternAtom(rq.ReplyRequest):
_request = rq.Struct(
rq.Opcode(16),
rq.Bool('only_if_exists'),
rq.RequestLength(),
rq.LengthOf('name', 2),
rq.Pad(2),
rq.String8('name'),
)
_reply = rq.Struct(
rq.ReplyCode(),
rq.Pad(1),
rq.Card16('sequence_number'),
rq.ReplyLength(),
rq.Card32('atom'),
rq.Pad(20),
)
class ListFonts(rq.ReplyRequest):
_request = rq.Struct(
rq.Opcode(49),
rq.Pad(1),
rq.RequestLength(),
rq.Card16('max_names'),
rq.LengthOf('pattern', 2),
rq.String8('pattern'),
)
_reply = rq.Struct(
rq.ReplyCode(),
rq.Pad(1),
rq.Card16('sequence_number'),
rq.ReplyLength(),
rq.LengthOf('fonts', 2),
rq.Pad(22),
rq.List('fonts', rq.Str),
)
class QueryExtension(rq.ReplyRequest):
_request = rq.Struct(
rq.Opcode(98),
rq.Pad(1),
rq.RequestLength(),
rq.LengthOf('name', 2),
rq.Pad(2),
rq.String8('name'),
)
_reply = rq.Struct(
rq.ReplyCode(),
rq.Pad(1),
rq.Card16('sequence_number'),
rq.ReplyLength(),
rq.Card8('present'),
rq.Card8('major_opcode'),
rq.Card8('first_event'),
rq.Card8('first_error'),
rq.Pad(20),
)
class GetImage(rq.ReplyRequest):
_request = rq.Struct(
rq.Opcode(73),
rq.Set('format', 1, (X.XYPixmap, X.ZPixmap)),
rq.RequestLength(),
rq.Drawable('drawable'),
rq.Int16('x'),
rq.Int16('y'),
rq.Card16('width'),
rq.Card16('height'),
rq.Card32('plane_mask'),
)
_reply = rq.Struct(
rq.ReplyCode(),
rq.Card8('depth'),
rq.Card16('sequence_number'),
rq.ReplyLength(),
rq.Card32('visual'),
rq.Pad(20),
rq.String8('data'),
)
class LookupColor(rq.ReplyRequest):
_request = rq.Struct(
rq.Opcode(92),
rq.Pad(1),
rq.RequestLength(),
rq.Colormap('cmap'),
rq.LengthOf('name', 2),
rq.Pad(2),
rq.String8('name'),
)
_reply = rq.Struct(
rq.ReplyCode(),
rq.Pad(1),
rq.Card16('sequence_number'),
rq.ReplyLength(),
rq.Card16('exact_red'),
rq.Card16('exact_green'),
rq.Card16('exact_blue'),
rq.Card16('screen_red'),
rq.Card16('screen_green'),
rq.Card16('screen_blue'),
rq.Pad(12),
)
class ListFontsWithInfo(rq.ReplyRequest):
_request = rq.Struct(
rq.Opcode(50),
rq.Pad(1),
rq.RequestLength(),
rq.Card16('max_names'),
rq.LengthOf('pattern', 2),
rq.String8('pattern'),
)
_reply = rq.Struct(
rq.ReplyCode(),
rq.LengthOf('name', 1),
rq.Card16('sequence_number'),
rq.ReplyLength(),
rq.Object('min_bounds', structs.CharInfo),
rq.Pad(4),
rq.Object('max_bounds', structs.CharInfo),
rq.Pad(4),
rq.Card16('min_char_or_byte2'),
rq.Card16('max_char_or_byte2'),
rq.Card16('default_char'),
rq.LengthOf('properties', 2),
rq.Card8('draw_direction'),
rq.Card8('min_byte1'),
rq.Card8('max_byte1'),
rq.Card8('all_chars_exist'),
rq.Int16('font_ascent'),
rq.Int16('font_descent'),
rq.Card32('replies_hint'),
rq.List('properties', structs.FontProp),
rq.String8('name'),
)
# Somebody must have smoked some really wicked weed when they
# defined the ListFontsWithInfo request:
# The server sends a reply for _each_ matching font...
# It then sends a special reply (name length == 0) to indicate
# that there are no more fonts in the reply.
# This means that we have to do some special parsing to see if
# we have got the end-of-reply reply. If we haven't, we
# have to reinsert the request in the front of the
# display.sent_request queue to catch the next response.
# Bastards.
def __init__(self, *args, **keys):
self._fonts = []
apply(ReplyRequest.__init__, (self, ) + args, keys)
def _parse_response(self, data):
if ord(data[1]) == 0:
self._response_lock.acquire()
self._data = self._fonts
del self._fonts
self._response_lock.release()
return
r, d = self._reply.parse_binary(data)
self._fonts.append(r)
self._display.sent_requests.insert(0, self)
# Override the default __getattr__, since it isn't usable for
# the list reply. Instead provide a __getitem__ and a __len__.
def __getattr__(self, attr):
raise AttributeError(attr)
def __getitem__(self, item):
return self._data[item]
def __len__(self):
return len(self._data)
