Module dnd 

Functions

apply_drop_pre_pass

Call before rendering the row, with the same gap and card IDs.

drag_source_collapsing

drop_target_idx

None when not dragging or more than 40 pt off the row.

force_opaque_active

The Tooltip layer never registers hover, so the dragged body dims without this.

make_room_gap

true on a pointer release over the targeted gap.

pickup_t

In [0.0, 1.0], animated over 120 ms at drag start and drag end.