Any way you could add support for the quark arrows for moving things in and out of inventories with the backpacked mod?

For them to appear in the backpacked gui

Quark has a config option so you can add support to any container. See the general config and the options allowedScreens and printScreenClassnames

I may add native support in the mod but Quark does provide a way to add support already.

Quark has a config option so you can add support to any container. See the general config and the options allowedScreens and printScreenClassnames

I tried doing this, but no success. This is what I entered in the quark config, which came from the printScreenClassnames

Got it working, but new problem, they overlap:

Check latest release. Added an option to change the alignment of buttons.