FastDigitCalculatorDisplay class
A custom widget that displays a calculator screen consisting of a FastDigitCalculatorHistoryList widget and a current operation display widget.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- FastDigitCalculatorDisplay
Constructors
-
FastDigitCalculatorDisplay({Key? key, required ValueNotifier<
TSimpleOperation> operationNotifier, required ValueNotifier<List< historyNotifier, ScrollController? scrollController, Color? backgroundColor, VoidCallback? onTap})TSimpleOperation> > -
Creates a FastDigitCalculatorDisplay widget.
const
Properties
- backgroundColor → Color?
-
The background color for the calculator display.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
-
historyNotifier
→ ValueNotifier<
List< TSimpleOperation> > -
A
ValueNotifier
that holds aTSimpleOperation
object. Used to notify listeners whenever the current operation changes.final - key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onTap → VoidCallback?
-
The callback function to trigger when the user taps on the current
operation display widget.
final
-
operationNotifier
→ ValueNotifier<
TSimpleOperation> -
A
ValueNotifier
that holds a list ofTSimpleOperation
objects. Used to notify listeners whenever the history of operations changes.final - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scrollController → ScrollController?
-
The scroll controller for the FastDigitCalculatorHistoryList widget.
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, 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