<s>
The	O
Intelligent	B-Language
Input	I-Language
Bus	I-Language
(	O
IBus	O
,	O
pronounced	O
as	O
I-Bus	O
)	O
is	O
an	O
input	B-General_Concept
method	I-General_Concept
(	O
IM	O
)	O
framework	O
for	O
multilingual	B-General_Concept
input	O
in	O
Unix-like	B-Operating_System
operating-systems	O
.	O
</s>
<s>
The	O
name	O
"	O
Bus	B-General_Concept
"	O
comes	O
from	O
its	O
bus-like	O
architecture	O
.	O
</s>
<s>
The	O
draft	O
Specification	O
of	O
IM	O
engine	O
Service	O
Provider	O
Interface	O
document	O
from	O
the	O
Northeast	O
Asia	O
OSS	O
Forum	O
Work	O
Group	O
3	O
recommends	O
bus-centric	O
IM	O
framework	O
architectures	O
with	O
a	O
bus	B-General_Concept
implementation	O
(	O
similar	O
to	O
dbus	B-Language
)	O
.	O
</s>
<s>
According	O
to	O
the	O
specification	O
,	O
SCIM-1.4	O
is	O
not	O
considered	O
suitable	O
for	O
further	O
development	O
as	O
it	O
is	O
developed	O
in	O
C++	B-Language
,	O
which	O
usually	O
causes	O
ABI	B-Operating_System
transition	O
problems	O
.	O
</s>
<s>
Since	O
then	O
,	O
succeeding	O
projects	O
like	O
IM-BUS	O
(	O
led	O
by	O
James	O
Su	O
)	O
and	O
SCIM-2	O
(	O
led	O
by	O
Zheng	O
Hu	O
)	O
were	O
started	O
.	O
</s>
<s>
Therefore	O
,	O
Huang	O
Peng	O
from	O
Red	O
Hat	O
established	O
the	O
IBus	O
project	O
to	O
prove	O
the	O
idea	O
of	O
IM-BUS	O
by	O
using	O
Python	B-Language
,	O
D-Bus	B-Language
and	O
GLib	B-Language
rather	O
than	O
implementing	O
the	O
functions	O
recommended	O
by	O
CJK	O
OSS	O
forum	O
.	O
</s>
<s>
In	O
spite	O
of	O
that	O
,	O
IBus	O
has	O
already	O
gained	O
community	O
acceptance	O
,	O
and	O
FreeBSD	B-Operating_System
and	O
many	O
Linux	O
distribution	O
such	O
as	O
Fedora	O
and	O
Ubuntu	B-Operating_System
already	O
have	O
IBus	O
in	O
their	O
package	O
repositories	O
.	O
</s>
<s>
IBus	O
became	O
the	O
new	O
default	O
input	B-General_Concept
method	I-General_Concept
framework	O
in	O
Fedora	O
11	O
,	O
and	O
replaced	O
SCIM	B-Language
in	O
Ubuntu	B-Operating_System
9.10	O
.	O
</s>
<s>
IBus	O
is	O
developed	O
in	O
C	B-Language
and	O
Python	B-Language
,	O
thus	O
avoiding	O
the	O
C++	B-Language
ABI	B-Operating_System
transition	O
problem	O
of	O
SCIM	B-Language
<	O
1.4.14	O
.	O
</s>
<s>
IBus	O
employs	O
D-Bus	B-Language
to	O
communicate	O
among	O
ibus-daemon	O
,	O
services	O
,	O
and	O
IM	O
clients	O
such	O
as	O
terminal	O
emulators	O
,	O
editors	O
and	O
web	O
browsers	O
.	O
</s>
<s>
ibus-daemon	O
manages	O
all	O
clients	O
and	O
services	O
by	O
receiving	O
registrations	O
from	O
services	O
,	O
and	O
sending	O
D-Bus	B-Language
message	O
to	O
corresponding	O
services	O
and	O
IM	O
client	O
.	O
</s>
<s>
It	O
implements	O
XIM	B-Application
protocol	O
,	O
and	O
has	O
GTK	B-Application
and	O
Qt	B-Language
input	B-General_Concept
method	I-General_Concept
modules	O
.	O
</s>
<s>
ibus-m17n	O
:	O
A	O
multilingualism	O
IME	O
which	O
allows	O
input	O
of	O
many	O
languages	O
using	O
the	O
input	B-General_Concept
methods	I-General_Concept
from	O
m17n-db	O
.	O
</s>
<s>
ibus-m17n	O
is	O
an	O
IME	O
that	O
uses	O
input	B-General_Concept
methods	I-General_Concept
and	O
corresponding	O
icons	O
in	O
the	O
m17n	O
database	O
.	O
</s>
<s>
Unlike	O
ibus-table	O
which	O
supports	O
plain	O
tables	O
,	O
m17n	O
input	B-General_Concept
methods	I-General_Concept
also	O
support	O
states	O
,	O
whose	O
labels	O
are	O
displayed	O
on	O
the	O
IBus	O
panel	O
(	O
language	O
bar	O
)	O
.	O
</s>
<s>
M17n	O
input	B-General_Concept
methods	I-General_Concept
also	O
support	O
surrounding	O
text	O
,	O
consequently	O
,	O
languages	O
such	O
as	O
Thai	O
and	O
IMs	O
such	O
as	O
plain	O
Zhuyin	O
that	O
require	O
this	O
feature	O
are	O
supported	O
through	O
ibus-m17n	O
,	O
as	O
is	O
pinyin	O
with	O
diacritics	O
for	O
the	O
four	O
tones	O
.	O
</s>
<s>
ibus-table	O
,	O
developed	O
by	O
Yu	O
Wei	O
Yu	O
,	O
is	O
an	O
IME	O
that	O
loads	O
tables	O
of	O
input	B-General_Concept
methods	I-General_Concept
which	O
do	O
not	O
need	O
complicated	O
logic	O
to	O
select	O
words	O
.	O
</s>
<s>
Many	O
structure-based	O
Chinese	O
input	B-General_Concept
methods	I-General_Concept
such	O
as	O
Cangjie	O
and	O
Wubi	O
are	O
supported	O
this	O
way	O
.	O
</s>
<s>
latex	B-Application
:	O
Input	O
special	O
characters	O
using	O
LaTeX	B-Application
syntax	O
.	O
</s>
