Add zsh completions (compdef) for kwin_x11, kwin_wayland & kwin_wayland_wrapper
Note: it uses the new variable KDE_INSTALL_ZSHAUTOCOMPLETEDIR, which was added in ECM 5.101.
Read more: frameworks/extra-cmake-modules!310 (merged)
I didn't dive into kwin code deep enough to figure out how xwayland, *-fd, xauthority and *-display options should be completed. Also unsure what are valid values for scale (it's just being parsed as qreal), but the code for it is copied from per-output scale in kscreen-doctor. Other unknown to me ones are --inputmethod=
and --exit-with-session=
. Any help on those would be appreciated!