A widget that imposes different constraints on its child than it gets from its parent, possibly allowing the child to overflow the parent.

See also:

Inheritance

Constructors

OverflowBox({Key key, AlignmentGeometry alignment: Alignment.center, double minWidth, double maxWidth, double minHeight, double maxHeight, Widget child })
Creates a widget that lets its child overflow itself.
const

Properties

alignment AlignmentGeometry
How to align the child. [...]
final
maxHeight double
The maximum height constraint to give the child. Set this to null (the default) to use the constraint from the parent instead.
final
maxWidth double
The maximum width constraint to give the child. Set this to null (the default) to use the constraint from the parent instead.
final
minHeight double
The minimum height constraint to give the child. Set this to null (the default) to use the constraint from the parent instead.
final
minWidth double
The minimum width constraint to give the child. Set this to null (the default) to use the constraint from the parent instead.
final
child Widget
The widget below this widget in the tree.
final, inherited
hashCode int
The hash code for this object. [...]
read-only, inherited
key Key
Controls how one widget replaces another widget in the tree. [...]
final, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

createRenderObject(BuildContext context) RenderConstrainedOverflowBox
Creates an instance of the RenderObject class that this RenderObjectWidget represents, using the configuration described by this RenderObjectWidget. [...]
debugFillProperties(DiagnosticPropertiesBuilder description) → void
updateRenderObject(BuildContext context, RenderConstrainedOverflowBox renderObject) → void
Copies the configuration described by this RenderObjectWidget to the given RenderObject, which will be of the same type as returned by this object's createRenderObject. [...]
createElement() SingleChildRenderObjectElement
RenderObjectWidgets always inflate to a RenderObjectElement subclass.
inherited
debugDescribeChildren() List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children. [...]
@protected, inherited
didUnmountRenderObject(RenderObject renderObject) → void
A render object previously associated with this widget has been removed from the tree. The given RenderObject will be of the same type as returned by this object's createRenderObject.
@protected, inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toDiagnosticsNode({String name, DiagnosticsTreeStyle style }) DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by toStringDeep. [...]
inherited
toString({DiagnosticLevel minLevel: DiagnosticLevel.debug }) String
Returns a string representation of this object.
inherited
toStringDeep({String prefixLineOne: '', String prefixOtherLines, DiagnosticLevel minLevel: DiagnosticLevel.debug }) String
Returns a string representation of this node and its descendants. [...]
inherited
toStringShallow({String joiner: ', ', DiagnosticLevel minLevel: DiagnosticLevel.debug }) String
Returns a one-line detailed description of the object. [...]
inherited
toStringShort() String
A short, textual description of this widget.
inherited

Operators

operator ==(other) bool
The equality operator. [...]
inherited