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