PositionRelative class

A position unit that represents a position relative to the parent size.

This position unit calculates its value as a fraction of the parent's viewport size along the specified axis. For example, a factor of 0.5 positions the element at 50% of the parent's size.

Inheritance
Available extensions

Constructors

PositionRelative(double factor)
Creates a relative position unit with the specified factor.
const

Properties

factor double
The relative factor (0.0 to 1.0) of the parent's size.
final
hashCode int
The hash code for this object.
no setteroverride
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

clamp({PositionUnit min = const PositionFixed(double.negativeInfinity), PositionUnit max = const PositionFixed(double.infinity)}) PositionUnit

Available on PositionUnit, provided by the PositionUnitExtension extension

Constrains this position unit within the specified min and max bounds.
computePosition({required ParentLayout parent, required ChildLayout child, required LayoutAxis direction}) double
Computes the actual position value for this unit.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
times(double other) PositionUnit

Available on PositionUnit, provided by the PositionUnitExtension extension

Multiplies a position unit by a scalar.
toCodeString() String
Converts the position unit to a code string representation.
override
toString() String
A string representation of this object.
override

Operators

operator *(Object other) PositionUnit

Available on PositionUnit, provided by the PositionUnitExtension extension

Multiplies two position units.
operator +(PositionUnit other) PositionUnit

Available on PositionUnit, provided by the PositionUnitExtension extension

Adds two position units together.
operator -(PositionUnit other) PositionUnit

Available on PositionUnit, provided by the PositionUnitExtension extension

Subtracts one position unit from another.
operator /(PositionUnit other) PositionUnit

Available on PositionUnit, provided by the PositionUnitExtension extension

Divides one position unit by another.
operator ==(Object other) bool
The equality operator.
override
operator unary-() PositionUnit

Available on PositionUnit, provided by the PositionUnitExtension extension

Negates this position unit (equivalent to 0 - this).