[linux-audio-user] Linux Audio Human Interface Guidelines 0.01 (was Re: mouse wheel behavior and RFC: human interface guidelines)

tim hall tech at glastonburymusic.org.uk
Wed Aug 25 09:11:45 EDT 2004


Last Tuesday 24 August 2004 20:10, Lee Revell was like:
> I just realized I posted this to LAD but not LAU.  Since the whole point
> of HIGs is to be reflect user rather than developer needs, I am
> reposting it here.
>
> OK, so if I were to start writing the Linux Audio Human Interface
> Guidelines based on all of the feedback from this post, I would say
> something like the following.  I have used the type of language you
> would find in an Internet RFC.
>
> "Sliders MUST be operable with the mouse wheel.  This MUST only be
> enabled when mousing over a slider, otherwise, the mouse wheel MUST
> retain its normal behavior of scrolling the window.
>
> For a vertical slider, rolling the mouse button away from you
> (hereafter: wheel-up event) MUST increase the value of the parameter,
> and wheel-down MUST decrease the value.
>
> For a horizontal slider, wheel-up SHOULD increase the value, and
> wheel-down SHOULD decrease the value by default.  However, this behavior
> MUST be configurable.  If a system-wide facility to control
> this is unavailable then the app MUST provide a configuration
> mechanism."

YES.

> Additional submissions are welcome and in fact essential, since the
> above only covers one aspect of one widget's behavior.

Sure, but if other widget behaviours could be agreed upon, defined like this 
and implemented universally, I will be one happy user. :-)

cheers

tim hall



More information about the Linux-audio-user mailing list