Hi,
Thanks to the new XUL Alliance Wiki Wiki I stumbled
over GNUstep Renaissance headed by Nicola Pero.
What is GNUstep Renaissance?
The project page states:
GNUstep Renaissance allows you to describe your user
interfaces (that is, the windows in your application,
and the buttons, boxes, textfields, etc in the
windows) in simple and intuitive XML files, using an
open, standard format describing the logic of the
interface. GNUstep Renaissance can then, at run time,
generate the user interfaces (using the native host
OpenStep-like libraries) by reading the XML files. The
connections between the objects created from the XML
files, and the other objects in the application are
done via outlets (as traditionally in OpenStep); a new
quick and intuitive syntax has been developed to make
creating outlets as easy as possible.
In the "How GNUstep Renaissance Outshines Other
OpenStep Alternatives" section the project page
states:
Open, simple and standard format. User interfaces
built using GNUstep Renaissance are saved into open,
simple files which can be edited and read on any
platform using any text editor. The XML format has
been designed to be as easy to edit as possible. We
will have a specific graphical builder for GNUstep
Renaissance, which will make editing directly the XML
files a rare operation; still, it's a great advantage
to be able to actually edit and inspect them directly
whenever needed. Your user interfaces will no longer
be locked in binary files which can only be edited
using a specific platform-specific application; you
will be able to compare different versions of the same
user interface using diff and cvs diff (you can't get
any meaningful comparison with binary formats); and
your user interfaces will be finally stored in a
readable format, which you can read even from a
terminal, making your program easier to check. The
format is so nice that I expect many hard hackers will
keep creating user interfaces directly in XML even
when a graphical editor is available!
If you wonder how this GNUStep Renaissance XML
format looks like, here's a sample:
<window title="Calculator" resizable="no"
closable="no">
<vbox>
<textfield editable="no" id="TextField"/>
<hbox>
<button title="1" target="#Controller"
action="digit:"/>
<button title="2" target="#Controller"
action="digit:"/>
<button title="3" target="#Controller"
action="digit:"/>
</hbox>
<hbox>
<button title="4" target="#Controller"
action="digit:"/>
<button title="5" target="#Controller"
action="digit:"/>
<button title="6" target="#Controller"
action="digit:"/>
</hbox>
<hbox>
<button title="7" target="#Controller"
action="digit:"/>
<button title="8" target="#Controller"
action="digit:"/>
<button title="9" target="#Controller"
action="digit:"/>
</hbox>
<hbox>
<button title="+" target="#Controller"
action="add:"/>
<button title="0" target="#Controller"
action="digit:"/>
<button title="=" target="#Controller"
action="total:"/>
</hbox>
</vbox>
</window>
Deja vu?
Full story @ http://www.gnustep.it/Renaissance
- Gerald
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