port motif code to ucx 3 newapi

move some menu code to common newapi

upgrade ucx newapi

add VS project newapi

remove ucx (breaks build) newapi

replace wpf with winui in the configure script newapi

enable gtk4 configure option newapi

refactor widget groups/document tree (Motif) default

refactor widget groups

add new toolbar toggle button

(0) -100 -10 +10 +100 tip

mercurial