performLayout method

Size performLayout(
  1. BoxConstraints constraints
)

Hook for subclasses to perform layout within the given constraints.

Implementation

Size performLayout(BoxConstraints constraints) {
  final width = constraints.maxWidth == BoxConstraints.infinity
      ? 0
      : constraints.maxWidth;
  final height = widget.getIntrinsicHeight(width);
  return constraints.constrain(Size(width, height));
}