BeuiArcPicker class
A radial single-choice picker with drag momentum and keyboard controls.
Pass value and onChanged for controlled use, or omit value and seed defaultValue to let the picker manage selection. Top and bottom arcs are scrolled horizontally; left and right arcs are scrolled vertically.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- BeuiArcPicker
Constructors
-
BeuiArcPicker({required List<
BeuiArcPickerOption> options, String? value, String? defaultValue, ValueChanged<String> ? onChanged, BeuiArcPickerSide side = BeuiArcPickerSide.right, double radius = 280, int visibleCount = 7, double itemHeight = 48, bool disabled = false, String? semanticLabel = 'Choose an option', Key? key}) -
Creates an arc picker over
options.const
Properties
- defaultValue → String?
-
Initial value for uncontrolled use.
final
- disabled → bool
-
Whether the entire picker is disabled.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- itemHeight → double
-
Minimum spacing between choices in logical pixels.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
-
onChanged
→ ValueChanged<
String> ? -
Called each time an enabled choice is selected or crossed.
final
-
options
→ List<
BeuiArcPickerOption> -
The choices displayed around the arc.
final
- radius → double
-
Curve radius in logical pixels. Larger values make a gentler arc.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- semanticLabel → String?
-
Accessible label for the radio group.
final
- side → BeuiArcPickerSide
-
Direction the curve bows toward.
final
- value → String?
-
Controlled selected value. When null, defaultValue seeds internal state.
final
- visibleCount → int
-
Number of choices visible along the arc.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< BeuiArcPicker> -
Creates the mutable state for this widget at a given location in the tree.
override
-
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, int wrapWidth = 65}) → 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