HoverButton class

Base widget for any widget that requires input. It provides a builder callback to build the child with the current input state: none, hovering, pressing or focused.

It's used by the following widgets:

Inheritance

Constructors

HoverButton({Key? key, MouseCursor cursor(ButtonStates)?, VoidCallback? onPressed, VoidCallback? onLongPress, ButtonStateWidgetBuilder? builder, FocusNode? focusNode, EdgeInsetsGeometry? margin, String? semanticLabel, VoidCallback? onTapDown, VoidCallback? onTapUp, VoidCallback? onTapCancel, VoidCallback? onLongPressEnd, VoidCallback? onLongPressStart, GestureDragStartCallback? onHorizontalDragStart, GestureDragUpdateCallback? onHorizontalDragUpdate, GestureDragEndCallback? onHorizontalDragEnd, ValueChanged<bool>? onShowFocusHighlight, ValueChanged<bool>? onFocusChange, bool autofocus = false})
Creates a hover button.
const

Properties

autofocus → bool
True if this widget will be selected as the initial focus when no other node in its scope is currently focused.
final
builder → ButtonStateWidgetBuilder?
final
cursor → (MouseCursor Function(ButtonStates)?)
The cursor of this hover button. If null, MouseCursor.defer is used
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
margin → EdgeInsetsGeometry?
The margin created around this button. The margin is added around the Semantics widget, if any.
final
onFocusChange → ValueChanged<bool>?
final
onHorizontalDragEnd → GestureDragEndCallback?
final
onHorizontalDragStart → GestureDragStartCallback?
final
onHorizontalDragUpdate → GestureDragUpdateCallback?
final
onLongPress → VoidCallback?
final
onLongPressEnd → VoidCallback?
final
onLongPressStart → VoidCallback?
final
onPressed → VoidCallback?
final
onShowFocusHighlight → ValueChanged<bool>?
A function that will be called when the focus highlight should be shown or hidden.
final
onTapCancel → VoidCallback?
final
onTapDown → VoidCallback?
final
onTapUp → VoidCallback?
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
semanticLabel → String?
Semantic label for the input.
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → _HoverButtonState
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}) → 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