Strange wheel behaviour of MX Master in GTK3

[John Austin]

On Fri, 2015-08-07 at 14:48 +0100, John Austin wrote:
> On Fri, 2015-08-07 at 15:28 +0200, Gérard Milmeister wrote:
> > Hi,
> > 
> > The new Logitech MX Master works fine in general.
> > However there is a problem with the scroll wheel,
> > and it seems to be limited to software using GTK3.
> > For example, in Firefox, when the window loses focus
> > and gains it again, the first wheel action does not
> > behave as expected, but scrolls a whole page down,
> > regardless of wheel UP or DOWN.
> > Afterwards scrolling is normal until another unfocus/focus.
> > This also happens in gedit and some other GTK3-based
> > software.
> > This doesn't happen with the MX Revolution.
> > Any similar experiences and idea how to fix this?
> > 
> > gm
> 
> This is better than it was for me last week when gedit/evolution/??
> jumped to the end of the screen for the first action
> when focus returned.
> 
> Try adding GDK_CORE_DEVICE_EVENTS=1
> 
> alias gedit='GDK_CORE_DEVICE_EVENTS=1;gedit -s'
> 
> If I knew how to set GDK_CORE_DEVICE_EVENTS=1
> at login so it was inherited by all processes I would!?
> 
> 
> John
> 
> 
Hmmm
Just a small error! - it should be
alias gedit='export GDK_CORE_DEVICE_EVENTS=1;gedit -s'