TooltipOverlay class
A widget that manages a tooltip overlay for a chart.
This widget provides a convenient way to show/hide tooltips based on user interactions.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- TooltipOverlay
Constructors
- TooltipOverlay({Key? key, required Widget child, required TooltipController controller, required Widget tooltipBuilder(BuildContext context, dynamic data), 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)})
-
Creates a TooltipOverlay widget.
const
Properties
- backgroundColor → Color?
-
The background color of the tooltip.
final
- borderRadius → BorderRadius
-
The border radius of the tooltip.
final
- child → Widget
-
The child widget (usually a chart).
final
- controller → TooltipController
-
The controller for managing tooltip state.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- 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
- tooltipBuilder → Widget Function(BuildContext context, dynamic data)
-
The builder function for creating tooltip content.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< TooltipOverlay> -
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