LightnessSlider class
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- LightnessSlider
Constructors
-
LightnessSlider({Key? key, required double lightness, required Color color, required ValueChanged<
double> onChanged, ValueChanged<double> ? onChangeStart, ValueChanged<double> ? onChangeEnd, double thumbRadius = lightnessThumbRadius, double trackHeight = lightnessTrackHeight, FocusNode? focusNode}) -
Create the opacity slider.
const
Properties
- color → Color
-
Current selected color.
final
- focusNode → FocusNode?
-
An optional focus node to use as the focus node for this widget.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- lightness → double
-
Current lightness value.
final
-
onChanged
→ ValueChanged<
double> -
Called when the opacity value is changed.
final
-
onChangeEnd
→ ValueChanged<
double> ? -
Called when the user is done selecting a new value for the slider.
final
-
onChangeStart
→ ValueChanged<
double> ? -
Called when the user starts selecting a new value for the opacity slider.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- thumbRadius → double
-
The radius of the thumb on the opacity slider.
final
- trackHeight → double
-
The height of the slider track.
final
Methods
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
override
-
createElement(
) → StatelessElement -
Creates a StatelessElement to manage this widget's location in the tree.
inherited
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of
DiagnosticsNode
objects describing this node's children.inherited -
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent 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 DiagnosticsNode.toStringDeep.
inherited
-
toString(
{DiagnosticLevel minLevel = DiagnosticLevel.info}) → String -
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 ==(
Object other) → bool -
The equality operator.
inherited