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# vim:set et sts=4 sw=4:
#
# ibus - The Input Bus
#
# Copyright (c) 2007-2009 Huang Peng <shawn.p.huang@gmail.com>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
# Boston, MA 02111-1307 USA
__all__ = (
"LookupTable",
)
import dbus
from serializable import *
from exception import *
class LookupTable(Serializable):
__NAME__ = "IBusLookupTable"
def __init__(self, page_size=5, cursor_pos=0, coursor_visible=True, round=False, candidates=None):
super(LookupTable, self).__init__()
self.__cursor_pos = cursor_pos
self.__cursor_visible = True
self.__round = round
if candidates == None:
self.__candidates = list()
else:
self.__candidates = candidates
self.set_page_size(page_size)
self.set_labels(None)
def set_page_size(self, page_size):
self.__page_size = page_size
def get_page_size(self):
return self.__page_size
def get_current_page_size(self):
nr_candidate = len(self.__candidates)
nr_page, last_page_size = divmod(nr_candidate, self.__page_size)
if self.__cursor_pos / self.__page_size == nr_page:
return last_page_size
else:
return self.__page_size
def set_labels(self, labels):
self.__labels = labels
def get_labels(self):
return self.__labels
def show_cursor(self, show = True):
self.__cursor_visible = show
def is_cursor_visible(self):
return self.__cursor_visible
def get_current_page_start(self):
return (self.__cursor_pos / self.__page_size) * self.__page_size
def set_cursor_pos(self, pos):
if pos >= len(self.__candidates) or pos < 0:
return False
self.__cursor_pos = pos
return True
def get_cursor_pos(self):
return self.__cursor_pos
def get_cursor_pos_in_current_page(self):
page, pos_in_page = divmod(self.__cursor_pos, self.__page_size)
return pos_in_page
def set_cursor_pos_in_current_page(self, pos):
if pos < 0 or pos >= self.__page_size:
return False
pos += self.get_current_page_start()
if pos >= len(self.__candidates):
return False
self.__cursor_pos = pos
return True
def page_up(self):
if self.__cursor_pos < self.__page_size:
if self.__round:
nr_candidates = len(self.__candidates)
max_page = nr_candidates / self.__page_size
self.__cursor_pos += max_page * self.__page_size
if self.__cursor_pos > nr_candidates - 1:
self.__cursor_pos = nr_candidates - 1
return True
else:
return False
self.__cursor_pos -= self.__page_size
return True
def page_down(self):
current_page = self.__cursor_pos / self.__page_size
nr_candidates = len(self.__candidates)
max_page = nr_candidates / self.__page_size
if current_page >= max_page:
if self.__round:
self.__cursor_pos %= self.__page_size
return True
else:
return False
pos = self.__cursor_pos + self.__page_size
if pos >= nr_candidates:
pos = nr_candidates - 1
self.__cursor_pos = pos
return True
def cursor_up(self):
if self.__cursor_pos == 0:
if self.__round:
self.__cursor_pos = len(self.__candidates) - 1
return True
else:
return False
self.__cursor_pos -= 1
return True
def cursor_down(self):
if self.__cursor_pos == len(self.__candidates) - 1:
if self.__round:
self.__cursor_pos = 0
return True
else:
return False
self.__cursor_pos += 1
return True
def clean(self):
self.__candidates = list()
self.__cursor_pos = 0
def append_candidate(self, text):
self.__candidates.append(text)
def get_candidate(self, index):
return self.__candidates[index]
def get_candidates_in_current_page(self):
page = self.__cursor_pos / self.__page_size
start_index = page * self.__page_size
end_index = min((page + 1) * self.__page_size, len(self.__candidates))
return self.__candidates[start_index:end_index]
def get_current_candidate(self):
return self.__candidates [self.__cursor_pos]
def get_number_of_candidates(self):
return len(self.__candidates)
def __len__(self):
return self.get_number_of_candidates()
def serialize(self, struct):
super(LookupTable, self).serialize(struct)
struct.append(dbus.UInt32(self.__page_size))
struct.append(dbus.UInt32(self.__cursor_pos))
struct.append(dbus.Boolean(self.__cursor_visible))
struct.append(dbus.Boolean(self.__round))
candidates = map(lambda c: serialize_object(c), self.__candidates)
struct.append(dbus.Array(candidates, signature="v"))
def get_current_page_as_lookup_table(self):
candidates = self.get_candidates_in_current_page()
return LookupTable(self.__page_size,
self.__cursor_pos % self.__page_size,
self.__cursor_visible,
self.__round,
candidates)
def deserialize(self, struct):
super(LookupTable, self).deserialize(struct)
self.__page_size = struct.pop(0)
self.__cursor_pos = struct.pop(0)
self.__cursor_visible = struct.pop(0)
self.__round = struct.pop(0)
self.__candidates = map(deserialize_object, struct.pop(0))
serializable_register(LookupTable)
def test():
t = LookupTable()
# attrs = AttrList()
# attrs.append(AttributeBackground(RGB(233, 0,1), 0, 3))
# attrs.append(AttributeUnderline(1, 3, 5))
t.append_candidate("Hello")
value = serialize_object(t)
t = deserialize_object(value)
t = t.get_current_page_as_lookup_table()
value = serialize_object(t)
t = deserialize_object(value)
if __name__ == "__main__":
test()
|
