Re: XForms: How to do meter movements

Steve Lamont (
Thu, 4 Sep 97 07:25:19 PDT

To subscribers of the xforms list from (Steve Lamont) :

> As an x newbie, haivng spent most of my professional career in embedded
> systems, I have a question. How is the best way to do a meter type
> movement in xforms, or X for that matter. You know like the audio level
> meters on mixers and, in my case, a S-meter on an amateur radio
> transceiver.

If you're talking about the "classic" meter with a twitching pointer,
then you're pretty much on your own -- you should look at creating a
Free object or perhaps creating a new Meter object class -- it
shouldn't be *too* difficult to eumlate a meter face -- in fact, it'd
be kind of a cool project.

You might try using a Fill Slider object and just make it insensitive
to user input with the fl_deactivate_object() call so the user can't
inadvertently twiddle the slider. This makes a nice bar type meter.
You'll have to provide the value labeling yourself, but that shouldn't
be especially difficult.

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