SizeService class

Viewport-level layout math for FolderView.

Per-row geometry and label-width measurement now live in RowMetrics; this holds only the viewport-scoped helpers — clamping the measured content width and computing total content height.

Constructors

SizeService()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

calculateContentHeight({required int itemCount, double rowHeight = 40.0, double rowSpacing = 0.0, double topPadding = 0.0, double bottomPadding = 0.0}) → double

Calculate the total content height from a flat item count.

clampContentWidth({required double contentWidth, required double viewportWidth}) → double

Clamps a measured contentWidth to a sane ceiling of 3× the viewport.