Scrolling direction changed

[stdedos]

From r29074 to r29129 (5addf28), the scrolling direction has changed.
Now I am scrolling downwards so that the view goes downwards i.e. to go to previous things.

I don't want to downgrade, because I want to verify #3023 (silencing the output does not hurt either)

[totaam]

Very likely to have been caused by #3127.

[totaam]

The commit above restores things (and will make smooth scrolling users unhappy?)
Otherwise, you can always use --mousewheel=invert-y.

[stdedos]

The commit above restores things (and will make smooth scrolling users unhappy?)
Otherwise, you can always use --mousewheel=invert-y.

I don't want to necessarily make smooth scrolling users unhappy; I am fine plugging that --mousewheel=invert-y somewhere (SO MANY configuration options with xpra 🤯)

Can't only the smooth scrolling be inverted, leaving "normal" scrolling alone? 😕
(idk what's "smooth scrolling" really)

[totaam]

I don't want to necessarily make smooth scrolling users unhappy

The default should be unchanged. We can't break everyone's mousewheel just do add support for "smooth scrolling".

Can't only the smooth scrolling be inverted, leaving "normal" scrolling alone?

As per #3127 (comment) : I can't see an easy way to differentiate between real smooth scroll events and the ones synthesized from regular scroll wheels

I was hoping that the event's device Gdk.Device.get_source method would be it, but it returns Gdk.InputSource.MOUSE for my touchpad events instead of Gdk.InputSource.TOUCHPAD

[GbGp]

I noticed that the scrolling direction was inverted respect my system default, but I assumed it was a misconfiguration on my part.
I think this commit restores normal behavior even for the smooth scrolling case.