CentOS - Oct 2018 - Scroll bar arrows missing and behaviour change

>
> I agree that issue with the scroll bar jumping all over is really
> annoying!
> It is actually a feature of Gnome and GTK.  It can be changed by editing a
> file:
>
> ~/.config/gtk-3.0/settings.ini
>
> [Settings]
> gtk-primary-button-warps-slider=0
>
>
I also find this behavior annoying.  I tried adding this settings file (it
didn't exist) and logging out and back in, but Firefox still jumps do the
absolute location on the scrollbar.  I'm on CentOS 7.3.

On Friday, October 12, 2018 1:24:25 PM CDT Elliott Balsley
wrote:
> > I agree that issue with the scroll bar jumping all over is really
> > annoying!
> > It is actually a feature of Gnome and GTK.  It can be changed by
editing a
> > file:
> > 
> > ~/.config/gtk-3.0/settings.ini
> > 
> > [Settings]
> > gtk-primary-button-warps-slider=0
> 
> I also find this behavior annoying.  I tried adding this settings file (it
> didn't exist) and logging out and back in, but Firefox still jumps do
the
> absolute location on the scrollbar.  I'm on CentOS 7.3.
Hmmm...  It works for me on both CentOS 7 (Firefox 60.2.1) and Fedora 28 
(Firefox 62.0.3).  

As per the linked documentation - What happens if you SHIFT-CLICK on the 
scroll bar?  On my systems I find that SHIFT-CLICK on the scroll bar produces 
the "warp speed" behavior, exactly as expected.

https://developer.gnome.org/gtk3/unstable/GtkSettings.html#GtkSettings--gtk-primary-button-warps-slider

Back to the original question - I wonder if the chosen GTK theme has something 
to do with the disappearance of the up and down arrows on the scroll bar?  I 
found a note on the Ubuntu forums that implicates the theme.  Testing 
required!

Bill Gee

> Hmmm...  It works for me on both CentOS 7 (Firefox 60.2.1) and Fedora 28
> (Firefox 62.0.3).
>
> As per the linked documentation - What happens if you SHIFT-CLICK on the
> scroll bar?  On my systems I find that SHIFT-CLICK on the scroll bar
> produces
> the "warp speed" behavior, exactly as expected.
>
>
>
https://developer.gnome.org/gtk3/unstable/GtkSettings.html#GtkSettings--gtk-primary-button-warps-slider
>
> In Firefox 45.4, shift-click reverses the behavior, so it scrolls a page
at a time.  It ignores the primary warp setting.
I also checked in Terminal, and it respects that setting.  With primary
warp turned off, it moves a page at a time, regardless of whether I hold
shift.  With primary warp turned on, it warps regardless of whether I hold
shift.
I'll try updating Firefox.
-- 

Elliott Balsley

Application Engineer

*ALT Systems*

Office:  818 504-6800

Mobile: 210 414-7893