[xmonad] DynamicLog improvements and new contrib module,
sjanssen at cse.unl.edu
Wed Feb 20 04:18:00 EST 2008
On Wed, Feb 20, 2008 at 08:24:57AM +0100, Andrea Rossato wrote:
> On Tue, Feb 19, 2008 at 04:50:15PM -0500, Brent Yorgey wrote:
> > Just a quick description of a patch I just pushed to the xmonad-contrib
> > darcs repo. First, I cleaned up DynamicLog and added a bunch of
> > documentation and examples -- getting a working status bar seems like one of
> > the more difficult aspects of a typical xmonad setup, so hopefully this will
> > go some ways towards fixing that.
> > In another step to make setting up a useful status bar easier, I also added
> > a new field to the PP record, ppExtras. This is a list of 'loggers', i.e.
> > (X (Maybe String)) actions, which will be run each time the status is
> > generated, and their output added to the normal window title + layout +
> > workspace information. As an example of the sorts of things you can put
> > there, and as a repository for useful loggers that people might create, I
> > also added a new module, XMonad.Util.Loggers. The upshot of all this is
> > that I used to have a separate script to get the time and date, battery
> > information, and load averages, into which I would pipe the output of
> > xmonad, and then pipe the output of that script into dzen. Now, I no longer
> > have a separate script, I can just throw a few loggers in the ppExtras field
> > of my PP format, and hey presto! Simpler, easier to maintain, and easier
> > for newcomers to figure out.
> > If you find the new ppExtras feature useful, I hope you'll create some new
> > Loggers and put them in the Loggers module. And feel free to improve
> > upon/generalize the ones that are already there. Ideally there should be a
> > wide array of useful, configurable loggers that new users can choose from
> > when constructing their preferred status bar.
> > happy xmonading,
> And so your plan of world domination has been eventually revealed! You
> want to get rid of the very reasons why xmobar had to be written! I'll
> fight it to death!!
> I'm just kidding... very nice idea, indeed.
> Just one question: why Maybe String? I had a very quick read at your
> code, but as far as I understand using 'catMaybes' means that 'Just
> ' and 'Nothing' have the very same meaning. Am I wrong?
Of course xmobar is still a better solution in most cases -- the ppExtras are
only printed each time there is a windowset change, which would mean that the
displayed data may become very stale! I'm not sure that we should recommend
ppExtras for clocks and such for this reason.
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