MenuTheme class
An inherited widget that defines the configuration in this widget's descendants for menus created by the SubmenuButton, MenuBar, or MenuAnchor widgets.
Values specified here are used for SubmenuButton's menu properties that are not given an explicit non-null value.
See also:
- MenuThemeData, a configuration object that holds attributes of a menu used by this theme.
- MenuBarTheme, which does the same thing for the MenuBar widget.
- MenuBar, a widget that manages MenuItemButtons.
- MenuAnchor, a widget that creates a region that has a submenu.
- MenuItemButton, a widget that is a selectable item in a menu bar menu.
- SubmenuButton, a widget that specifies an item with a cascading submenu in a MenuBar menu.
- Inheritance
Constructors
- MenuTheme({Key? key, required MenuThemeData data, required Widget child})
-
Creates a const theme that controls the configurations for the menus
created by the SubmenuButton or MenuAnchor widgets.
const
Properties
- child → Widget
-
The widget below this widget in the tree.
finalinherited
- data → MenuThemeData
-
The properties for MenuBar and MenuItemButton in this widget's
descendants.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
createElement(
) → InheritedElement -
Inflates this configuration to a concrete instance.
inherited
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of
DiagnosticsNodeobjects 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
-
updateShouldNotify(
covariant MenuTheme oldWidget) → bool -
Whether the framework should notify widgets that inherit from this widget.
override
-
wrap(
BuildContext context, Widget child) → Widget -
Return a copy of this inherited theme with the specified
child.override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
of(
BuildContext context) → MenuThemeData - Returns the closest instance of this class's data value that encloses the given context. If there is no ancestor, it returns ThemeData.menuTheme.