SpacingChildSize class

A spacing unit that references the size of a child element.

This allows spacing to be based on the dimensions of another child in the layout, identified by an optional key.

Implemented types

Available extensions

Constructors

SpacingChildSize([Object? key]): Creates a child-size-based spacing unit.
const

hashCode → int: The hash code for this object.
no setterinherited
key → Object?: Optional key to identify which child to reference.
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited

clamp({SpacingUnit min = const SpacingFixed(0), SpacingUnit max = const SpacingFixed(double.infinity)}) → SpacingUnit: Available on SpacingUnit, provided by the SpacingUnitExtension extension
Constrains this spacing unit within the specified min and max bounds.
computeSpacing({required ParentLayout parent, required LayoutAxis axis, required double viewportSize}) → double: Computes the actual spacing value.
override
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
toCodeString() → String: Returns a code string representation of this spacing unit.
override
toString() → String: A string representation of this object.
inherited

operator *(Object other) → SpacingUnit: Available on SpacingUnit, provided by the SpacingUnitExtension extension
Multiplies two spacing units.
operator +(SpacingUnit other) → SpacingUnit: Available on SpacingUnit, provided by the SpacingUnitExtension extension
Adds two spacing units together.
operator -(SpacingUnit other) → SpacingUnit: Available on SpacingUnit, provided by the SpacingUnitExtension extension
Subtracts one spacing unit from another.
operator /(SpacingUnit other) → SpacingUnit: Available on SpacingUnit, provided by the SpacingUnitExtension extension
Divides one spacing unit by another.
operator ==(Object other) → bool: The equality operator.
inherited
operator unary-() → SpacingUnit: Available on SpacingUnit, provided by the SpacingUnitExtension extension
Negates this spacing unit (equivalent to 0 - this).