ButtonStyleButtonModifier class abstract
The base StatefulWidget class for buttons whose style is defined by a ButtonStyle object.
Concrete subclasses must override defaultStyleOf
and themeStyleOf
.
See also:
- TextButton, a simple ButtonStyleButton without a shadow.
- ElevatedButton, a filled ButtonStyleButton whose material elevates when pressed.
- OutlinedButton, similar to TextButton, but with an outline.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- SingleChildStatelessModifier
- ButtonStyleButtonModifier
- Implementers
- Available extensions
Constructors
-
ButtonStyleButtonModifier({Key? key, Key? modifierKey, Widget? child, required VoidCallback? onPressed, required VoidCallback? onLongPress, required ValueChanged<
bool> ? onHover, required ValueChanged<bool> ? onFocusChange, required ButtonStyle? style, required FocusNode? focusNode, required bool autofocus, required Clip clipBehavior, MaterialStatesController? statesController}) -
Abstract const constructor. This constructor enables subclasses to provide
const constructors so that they can be used in const expressions.
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
- clipBehavior → Clip
-
The content will be clipped (or not) according to this option.
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
- modifierKey → Key?
-
The actual key of the widget, which Modifier wrapped
finalinherited
-
onFocusChange
→ ValueChanged<
bool> ? -
Handler called when the focus changes.
final
-
onHover
→ ValueChanged<
bool> ? -
Called when a pointer enters or exits the button response area.
final
- onLongPress → VoidCallback?
-
Called when the button is long-pressed.
final
- onPressed → VoidCallback?
-
Called when the button is tapped or otherwise activated.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- statesController → MaterialStatesController?
-
Represents the interactive "state" of this widget in terms of
a set of WidgetStates, like WidgetState.pressed and
WidgetState.focused.
final
- style → ButtonStyle?
-
Customizes this button's appearance.
final
Methods
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
inherited
-
buildWithChild(
BuildContext context, Widget? child) → Widget -
A build method that receives an extra
child
parameter.inherited -
createElement(
) → SingleChildStatelessElement -
Create a SingleChildStatelessElement
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
-
modified(
) → Modifier -
Available on Widget, provided by the ModifierTransformer extension
Transform normal widget to Modifier -
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