[Wayland-bugs] [Bug 100740] Blender viewport "goes crazy" when mouse reaches viewport window edge in fly mode (Shift+F) or moving object (G)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100740

--- Comment #17 from Source0f1 <jesse.dubord at gmail.com> ---
(In reply to Jonas Ådahl from comment #16)
> (In reply to Source0f1 from comment #15)
> > Did something change? I just tested Blender, today, on Ubuntu 17.10 beta 2
> > (ubuntu-modified gnome shell under wayland) and issue #1 appears to be
> > fixed: pressing shift+f to enter fly mode and move around the scene no
> > longer causes the camera to behave sporadically and it moves like it does in
> > Xorg. Issues #2 and #3 still exist, however.
> > 
> > Still, progress is progress!
> 
> Given the methods we have under Wayland (pointer locking and confinement
> instead of clients directly controlling the pointer cursor) we have
> implemented various support for emulating the X11 ways of implementing those
> features (locking/confinement). What Blender does however is taking control
> of the mouse cursor (without hiding it) and then moving it around on the
> screen (you'll see that it suddenly warps when hitting some edge in the UI).
> 
> This is the known remaining issue, and we cannot really solve it without
> going back to giving clients arbitrary control of the pointer cursor.
> Therefore we opened a bug on Blender about this issue, arguing that the
> issue would best be mitigated in Blender.
> 
> The bug was swiftly closed as wont-fix however, and the recommended work
> around is to disable the warp functionality. See
> https://developer.blender.org/T53004 for more details.

Thanks for the update. I also wrote a comment in the Blender bug you linked,
hoping greater collaboration could be done to find a more seamless solution
than "turn off a setting in User Preferences to restore basic functionality for
all Wayland/XWayland users". With Wayland/Xwayland becoming default for many,
that would seem like a sore inconvenience for Blender users, everywhere.

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