desired features for gp backend?

[Ben Abbott]

On Friday, June 19, 2009, at 02:18PM, "Michael Goffioul" <michael.goffioul at gmail.com> wrote:
>On Fri, Jun 19, 2009 at 5:51 PM, Ben Abbott<bpabbott at mac.com> wrote:
>> Regarding listeners, there are *many* that need to be written (units conversion is the best example). I've looked at the code in the hope of finding where such should be place, but as my c skills are very poor, I've been unable to find where (or if) such exists in the sources.
>
>I recently added "listeners" to update ?ticklabel property according to
>?tick property. See change
>http://hg.savannah.gnu.org/hgweb/octave/rev/3da821b161e9
>This gives you a good example of how ot implement listeners (aka updaters)
>in C++.
>
>Michael.

Great! ... I thought I noticed a change in functionality, but hadn't bothered to dig into the code yet.
I'll study your change and with some luck will attempt to mimic it to implement other listeners.

Ben