ChartTooltip class
A tooltip widget for displaying information about chart data points.
The ChartTooltip widget provides a customizable tooltip that can be positioned relative to a target point and styled to match the chart's design.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- ChartTooltip
Constructors
-
ChartTooltip({Key? key, required Widget child, required Offset targetPosition, TooltipPosition position = TooltipPosition.top, Offset offset = const Offset(0, 8), Color? backgroundColor, BorderRadius borderRadius = const BorderRadius.all(Radius.circular(4)), EdgeInsets padding = const EdgeInsets.symmetric(horizontal: 12, vertical: 8), List<
BoxShadow> ? boxShadow, Border? border, double? maxWidth, bool showArrow = true, double arrowSize = 6}) -
Creates a ChartTooltip widget.
const
Properties
- arrowSize → double
-
The size of the arrow.
final
- backgroundColor → Color?
-
The background color of the tooltip.
final
- border → Border?
-
The border for the tooltip.
final
- borderRadius → BorderRadius
-
The border radius of the tooltip.
final
-
boxShadow
→ List<
BoxShadow> ? -
The box shadow for the tooltip.
final
- child → Widget
-
The content to display in the tooltip.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- maxWidth → double?
-
The maximum width of the tooltip.
final
- offset → Offset
-
The offset from the target position.
final
- padding → EdgeInsets
-
The padding inside the tooltip.
final
- position → TooltipPosition
-
The preferred position of the tooltip.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- showArrow → bool
-
Whether to show the tooltip arrow.
final
- targetPosition → Offset
-
The position of the tooltip relative to the target.
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