davidedmundson added a comment.
> XDG_SURFACE_ERROR_ALREADY_CONSTRUCTED I'm not sure. There's an implication that XDG_SURFACE errors are meant for in response to requests on an xdg_surface interface, (i.e for use with xdg_surface.get_toplevel xdg_surface.get_popup) whereas this is a callback on the wm_base interface. REPOSITORY R127 KWayland REVISION DETAIL https://phabricator.kde.org/D13510 To: davidedmundson, #kwin Cc: romangg, zzag, kde-frameworks-devel, michaelh, ngraham, bruns