Force certain program to use x11 mode on wayland?

I have a 3D printing software that does not display well on Wayland. Instead of relogging to start a x11 session is there a way to force that one software to display in x11 instead of Wayland?

Edit

AddingQT_QPA_PLATFORM=xcb to the enviroment variables was the solution for me.

Thanks to everyone for the help.

Pantherina ,

Easiest is flatpak, where you just disable Wayland permission.

The env vars are always different

furzegulo ,

depends on the application. check here for a list how make different backends use xwayland: wiki.archlinux.org/title/Wayland#GUI_libraries

KaRunChiy ,
@KaRunChiy@kbin.run avatar

if its a qt application then run in a console "QT_QPA_PLATFORM=xcb program_name", if it's a gtk application i think it's "GDK_BACKEND=x11" though I'm not entirely sure.

I have to do this with LMMS as on sway click and drag doesn't work for some odd reason

RedWeasel ,

Additionally once you figure out the environment variable you can add in to the .desktop file so it will launch from a launcher in that way, though updates will reset that.

On arch wiki is a page on wayland which includes info on toolkits, though you may need to figure out the x11 option it will include the variable/option needed. wiki.archlinux.org/title/wayland#GUI_libraries

fossphi ,

though updates will reset that.

Copy the .desktop file from root (/usr/share/applications) to the local directory (~/.local/share/applications), then your package manger won’t overwrite your changes

wiki.archlinux.org/title/desktop_entries

See section 6.1, Modify desktop files

rtxn ,

Have you tried using Gamescope? It’s obviously made with games in mind, but you can use it to run any application inside a nested compositor.

If not, you could try starting the application in Xwayland, or starting an X session inside Xwayland and then starting the application inside that.

governorkeagan ,

I’m in a similar situation. My time tracking software for work refuses to work on Wayland (I tried using xwayland as well).

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