2016-08-25 3:09 GMT+09:00 Tony Mechelynck <[email protected]>:

> On Wed, Aug 24, 2016 at 8:03 PM, Tony Mechelynck
> <[email protected]> wrote:
> > On Wed, Aug 24, 2016 at 7:17 PM, Kazunobu Kuriyama
> > <[email protected]> wrote:
> >> Beep ((sound) bell) is implemented in both GTK+ 2 and GTK +3  using
> >> gdk_display_bell() (gui_gtk_x11.c:6222, gui_mch_beep()), and there's no
> >> interdependency between beep and visual bell.  Accordingly, visual bell
> >> setting is irrelevant to the audibility of beep at all.
> >>
> >> And, on X11, gdk_display_bell() is implemented using either XkbBell() or
> >> XBell(), which tells us that the beep sound comes from X11.
> >>
> >> You probably need to check if X11 bell (beep) is enabled or not, by
> using,
> >> say 'xset -q'.
> >
> > One of the lines there says:
> >   bell percent:  50    bell pitch:  400    bell duration:  100
> >
> > which mean IIRC 50% intensity, about a quarter-tone above the G a
> > perfect fourth below middle C (as close as I can make it at 440 Hz
> > diapason), and one-tenth of a second. I'll try raising the level and
> > see if it comes through my speakers.
>

Hmm...I happen to know a little about music (well, I can tell Vim from
VIm),  so I understand what you are talking about here...but, I'm still
wondering if those details are relevant to the current issue.

>
> >
> > Best regards,
> > Tony.
>
> With 80 523 125 I still don't hear anything.
>

Judging from the fact that 'xset b volume pitch duration' works, it appears
that X11 bell is still alive on your system.

I suspect your desktop environment (I don't know what it is) prevents X11
bell from working.

On my Mac, I have pulseaudio (but don't make it active. I need it in order
to build other libraries that depend on it).

Looking at what were installed with it, I see there are two executables
called 'start-pulseaudio-x11' and 'pax11publish', and there is the config
file /etc/pulse/default.pa in which I see

### Load X11 bell module
#load-module module-x11-bell sample=x11-bell

I don't know if you are using pulseaudio on you system, but I think the
facts above indicate that, in order to enable X11 bell,  one needs to tweak
settings of a subsystem which plays the same role as pulseaudio does on
your system.  And that's not an issue of our GTK GUI.

Just my 2 cents.


> IOW, no audible bell I don't know why, no visual bell because GTK3
> gvim doesn't support it, ergo, no bell.
>
>
> Best regards,
> Tony.
>
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