Positioned class

A widget that controls where a child of a Stack is positioned.

Inheritance
Implementers

Constructors

Positioned({double? left, double? top, double? right, double? bottom, required Widget child})
Positioned.directional({required TextDirection textDirection, double? start, double? top, double? end, double? bottom, required Widget child})
Creates a widget that controls where a child of a Stack is positioned.
factory
Positioned.fill({double? left = 0.0, double? top = 0.0, double? right = 0.0, double? bottom = 0.0, required Widget child})
Creates a Positioned object with left, top, right, and bottom set to 0.0 unless a value for them is passed.

Properties

bottom → double?
final
box ↔ PdfRect?
The bounding box of this widget, calculated at layout time
getter/setter pairinherited
canSpan → bool
no setterinherited
child → Widget?
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
hasMoreWidgets → bool
no setterinherited
height → double?
no setter
left → double?
no setter
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
top → double?
final
width → double?
no setter

Methods

applyContext(covariant WidgetContext context) → void
Called before relayout to restore the saved state and restart the layout in the same conditions
inherited
cloneContext() → WidgetContext
Called after layout to save the state
inherited
debugPaint(Context context) → void
inherited
layout(Context context, BoxConstraints constraints, {bool parentUsesSize = false}) → void
First widget pass to calculate the children layout and bounding box
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
paint(Context context) → void
Draw itself and its children, according to the calculated box.offset
override
paintChild(Context context) → void
inherited
restoreContext(covariant WidgetContext context) → void
Apply the context for next page layout. Called before layout to prepare for next page
inherited
saveContext() → WidgetContext
Get unmodified mutable context object
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited