engine/overlay/tooltip_tail library

Classes

TooltipTail

The tail (arrow toward the target) rendered behind the default tooltip.

TooltipTailPainter

Paints the tail as part of the tooltip surface.

Enums

TailSide

Which edge of the tooltip the tail points from, toward the target.

Functions

tailPath({required TailSide side, required Size tooltipSize, required Rect hole, required Rect tooltip, double length = _kTailLength, double width = _kTailWidth}) → Path

Triangle of the tail in tooltip-local coordinates.

tailSideFor(Rect tooltip, Rect hole) → TailSide?

The tooltip's edge facing the hole, derived purely from geometry.