[dwm] [dvtm-patch] Status bar optional

Hi,
   i'm continuing to study the dvtm code in order to be able to make some
"real" improvement. I'm a (not so) beginner C programmer so all my
experiments and your points of view about are useful to improve myself (not
only dvtm). It's free software, after all.

As for the mouse support, i don't use the status bar at all (at least not
in box other than my laptop) so there is no reason to build such feature.
Even i think that such "modularization" help to make the code cleaner (e.g.
i had to move the terminal size variables from the updatebaros() function
to the resize_screen() one, which seems to be a better place for them).

This will give a bit of work to Leonardo Taccari which is working on the
pkgsrc dvtm packages; a new option is needed, i guess.

Hope this helps but, if not, feel free to insult me ;-)

-- 
Claudio M. Alessi
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