Re: Keyboard Navigation

[Hans Breuer <hans breuer org>]

Am 19.06.2008 13:31, Andrew M. Botros schrieb:
> I have to implement some features in dia as the practical part of my
> bachelor thesis. Most probably it will be keyboard support for navigating
> and editing diagrams. The navigation should be smart, following the
> connections. 
Sounds like an interesting feature and I hope you can provide a clean patch 
to make it available for all Dia users. There is an enhancement request 
which goes in that direction, see: 
http://bugzilla.gnome.org/show_bug.cgi?id=137433

> I wanted to ask where should I start? 
Refactoring [1,2] app/disp_callbacks.c:ddisplay_canvas_events() [3] would 
be a good start

> can this be developed as a plugin? 
Nope, the keyboard handling is completely in the core.

> if yes, where can I learn how to develop plugins for dia? if not
> then where to start with the core?
I'd suggest reading the code ;-)

> Thank You
Regards,
        Hans

[1] http://en.wikipedia.org/wiki/Refactoring
[2] i.e. splitting stuff there into smaller functions without breaking 
anything ;)
[3] http://svn.gnome.org/viewvc/dia/trunk/app/disp_callbacks.c?view=markup

-------- Hans "at" Breuer "dot" Org -----------
Tell me what you need, and I'll tell you how to
get along without it.                -- Dilbert