Module gesture 

Platform-independent pointer hit testing; coordinates are CSS client pixels.

Structs

HitRect

Rectangle measured in client coordinates.

Functions

drop_placement

Resolve before/after bands (12 × zoom) and the central child target. LEFT/RIGHT/SIDE siblings are vertical; DOWN siblings are horizontal.

edge_pan

Per-pointer-step edge pan within a 50px band, independent of document history.

fit

Viewport that fits the canvas-space box a..b into a view of size, centred, with a 24px margin and magnification at most 100%.

is_drag

The upstream five client-pixel threshold avoids moving nodes on clicks.