<s>
Glade	B-Language
Interface	I-Language
Designer	I-Language
is	O
a	O
graphical	O
user	O
interface	O
builder	O
for	O
GTK	B-Application
,	O
with	O
additional	O
components	O
for	O
GNOME	B-Application
.	O
</s>
<s>
In	O
its	O
third	O
version	O
,	O
Glade	B-Language
is	O
programming	O
languageindependent	O
,	O
and	O
does	O
not	O
produce	O
code	O
for	O
events	O
,	O
but	O
rather	O
an	O
XML	B-Protocol
file	O
that	O
is	O
then	O
used	O
with	O
an	O
appropriate	O
binding	O
(	O
such	O
as	O
GtkAda	O
for	O
use	O
with	O
the	O
Ada	B-Language
programming	I-Language
language	I-Language
)	O
.	O
</s>
<s>
See	O
List	B-Language
of	I-Language
language	I-Language
bindings	I-Language
for	I-Language
GTK	I-Language
for	O
the	O
available	O
ones	O
.	O
</s>
<s>
Glade	B-Language
is	O
free	B-License
and	I-License
open-source	I-License
software	I-License
distributed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
The	O
first	O
Glade	B-Language
release	O
,	O
version	O
0.1	O
,	O
was	O
made	O
on	O
18	O
April	O
1998	O
.	O
</s>
<s>
Glade	B-Language
3	O
was	O
released	O
on	O
12	O
August	O
2006	O
.	O
</s>
<s>
According	O
to	O
the	O
Glade	B-Language
Web	O
site	O
,	O
the	O
most	O
noticeable	O
differences	O
for	O
the	O
end-user	O
are	O
:	O
</s>
<s>
Undo	B-Application
and	O
redo	B-Application
support	O
in	O
all	O
operations	O
.	O
</s>
<s>
Glade-3	O
is	O
a	O
complete	O
rewrite	O
,	O
in	O
order	O
to	O
take	O
advantage	O
of	O
the	O
new	O
features	O
of	O
GTK+	B-Application
2	I-Application
and	O
the	O
GObject	B-Language
system	O
(	O
Glade-3	O
was	O
started	O
when	O
Glade-1	O
had	O
n't	O
yet	O
been	O
ported	O
to	O
GTK+	B-Application
2	I-Application
)	O
.	O
</s>
<s>
Therefore	O
,	O
the	O
Glade-3	O
codebase	O
is	O
smaller	O
and	O
allows	O
new	O
interesting	O
things	O
,	O
including	O
:	O
</s>
<s>
This	O
means	O
that	O
external	O
libraries	O
can	O
provide	O
their	O
set	O
of	O
widgets	O
at	O
runtime	O
and	O
Glade	B-Language
will	O
detect	O
them	O
.	O
</s>
<s>
In	O
fact	O
,	O
Glade	B-Language
3	O
supports	O
only	O
standard	O
GTK	B-Application
widgets	O
;	O
GNOME	B-Application
UI	O
and	O
DB	O
widgets	O
are	O
provided	O
separately	O
.	O
</s>
<s>
The	O
various	O
Glade	B-Language
Tools	O
(	O
palette	O
,	O
editor	O
,	O
etc	O
.	O
)	O
</s>
<s>
This	O
allows	O
for	O
easier	O
integration	O
in	O
like	O
Anjuta	B-Language
,	O
and	O
makes	O
it	O
easier	O
to	O
change	O
the	O
Glade	B-Language
UI	O
.	O
</s>
<s>
On	O
5	O
April	O
2011	O
,	O
two	O
parallel	O
installable	O
stable	O
Glade	B-Language
versions	O
were	O
released	O
:	O
</s>
<s>
Glade	B-Language
3.8	O
:	O
That	O
includes	O
all	O
support	O
for	O
GTK+	B-Application
up	O
till	O
version	O
2.24	O
.	O
</s>
<s>
Glade	B-Language
3.10	O
:	O
That	O
includes	O
support	O
only	O
for	O
widgets	O
that	O
are	O
still	O
included	O
in	O
GTK+	O
3.0	O
and	O
additionally	O
drops	O
support	O
for	O
Libglade	B-Language
.	O
</s>
<s>
On	O
11	O
June	O
2015	O
Glade	B-Language
3.19.0	O
was	O
released	O
.	O
</s>
<s>
GtkBuilder	O
is	O
the	O
XML	B-Protocol
format	O
that	O
the	O
Glade	B-Language
Interface	I-Language
Designer	I-Language
uses	O
to	O
save	B-Application
its	O
forms	O
.	O
</s>
<s>
These	O
documents	O
can	O
then	O
be	O
used	O
in	O
conjunction	O
with	O
the	O
GtkBuilder	O
object	O
to	O
instantiate	O
the	O
form	O
using	O
GTK	B-Application
.	O
</s>
<s>
GladeXML	B-Language
is	O
the	O
XML	B-Protocol
format	O
that	O
was	O
used	O
with	O
conjunction	O
with	O
libglade	B-Language
,	O
which	O
is	O
now	O
deprecated	O
.	O
</s>
<s>
Glade	B-Language
Interface	I-Language
Designer	I-Language
automatically	O
generates	O
all	O
the	O
source	O
code	O
for	O
a	O
graphical	O
control	O
element	O
.	O
</s>
<s>
The	O
"	O
Gtk.Builder	O
class	O
"	O
allows	O
user	O
interfaces	O
to	O
be	O
designed	O
without	O
writing	O
code	O
.	O
</s>
<s>
The	O
class	O
describes	O
the	O
interface	O
in	O
an	O
Extensible	B-Protocol
Markup	I-Protocol
Language	I-Protocol
(	O
XML	B-Protocol
)	O
file	O
and	O
then	O
loads	O
the	O
XML	B-Protocol
description	O
at	O
runtime	O
and	O
creating	O
the	O
objects	O
automatically	O
.	O
</s>
<s>
The	O
Glade	B-Language
Interface	I-Language
Designer	I-Language
allows	O
creation	O
of	O
the	O
user	O
interface	O
in	O
a	O
WYSIWYG	B-Application
manner	O
.	O
</s>
<s>
Code	O
sketchers	O
are	O
software	O
applications	O
that	O
help	O
a	O
user	O
create	O
source	O
code	O
from	O
a	O
GladeXML	B-Language
file	O
.	O
</s>
<s>
Most	O
code	O
sketchers	O
create	O
source	O
code	O
which	O
uses	O
libglade	B-Language
and	O
a	O
GladeXML	B-Language
file	O
to	O
create	O
the	O
GUI	O
.	O
</s>
<s>
Some	O
sketchers	O
are	O
able	O
to	O
create	O
raw	O
code	O
that	O
does	O
not	O
need	O
the	O
GladeXML	B-Language
file	O
.	O
</s>
<s>
The	O
table	O
below	O
compares	O
basic	O
information	O
about	O
GladeXML	B-Language
code	O
sketcher	O
packages	O
.	O
</s>
