3176 · a column of filters beside a list and its detail
A · q-split of three: the filters as wide as their facets, the list as wide as its items, the detail the rest; each scrolls on its own
B · as A, the filter column resized with a q-gutter and kept per screen
3170 · a drawer along the edge of a full-screen view
A · pinned: the drawer is a column beside the view, its head holding the pin
B · unpinned, open: the drawer lies over the view's edge, opened by the pointer reaching that edge
C · unpinned, closed: a rule-w strip on the edge marks where it opens from
D · unpinned, closed: a tab on the edge naming it, opened by a click or its key