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Scroll wheel does not function under Wayland hw rendering #612
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Same issue here on sway version 1.8.1 under Voidlinux |
Same issue with the flatpak version on Fedora 38 (Gnome edition on Wayland) |
Are you possibly using multiple displays? Does the scrolling work if you move the Lagrange window to 0,0 on your leftmost display? |
This issue still persists in Fedora 39, with a GNOME Wayland session, both with the RPM package from the Fedora repos as well as the flatpak version. |
I've made PR #669 |
(Possibly related to #605?)
I am running the AUR package on KDE/KWin-wayland. Lagrange seems to be forced into very laggy software rendering to XWayland, so I set the
SDL_VIDEODRIVER
env var towayland
to see if it would smooth things out. While it does make Lagrange much smoother and more comfortable to use, it has the unfortunate side effect of making the scroll wheel do absolutely nothing, even in the preferences menu.Arrow keys and PgUp/Dn still function to scroll the page. Ctrl-- and Ctrl-= still function to zoom. Scroll wheel still functions in every other application, of course.
I would assume this was some SDL-specific issue, but a quick google for "sdl wayland scroll wheel" doesn't appear to bring up anything relevant. Also, the scroll wheel works in Steam, which also uses SDL, when running with the same environment variable change.
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