Odd XBell(3) inconsistancy

[Peter Hutterer]

On Thu, Sep 05, 2013 at 09:09:57PM -0400, Mouse wrote:
> > I guess the other clients must call XBell() with percent=0?
> 
> Probably.  The way the percent argument (which is only sort-of a
> percentage; it runs from -100 to 100) is interpreted makes it
> reasonably clear to me that the intent is that 0 be some sort of
> nominal user-set volume, with programs able to use -100 to 0 to mean
> "softer than the user-set volume" and 0 to 100 as "louder than the
> user-set volume".  

pretty much. from the man-page:
"The XBell function rings the bell on the keyboard on the specified
display, if possible. The specified volume is relative to the base volume
for the keyboard."

Cheers,
   Peter


> Calling it with other than 0, except as specifically
> configured, amounts to the program deciding it knows better than the
> user how loud the bell should be; I would consider such a program
> antisocial, at least to the extent it purports to be general-purpose.
> I'm pleased to see that most app authors seem to agree (with the
> conclusion, if perhaps not the reasoning).
> 
> Of course, on some hardware there are only two volume levels actually
> possible, one of which is completely inaudible, so there are also
> portability reasons to not depend on nonzero values of the argument
> doing anything meaningful (possibly excepting -100 and 100, to which
> the above remarks apply).
> 
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