PopupMenu<T> class

Create a customized PopupMenuButton.

Inheritance
Available extensions

Constructors

PopupMenu({Key? key, List<T>? items, List<PopupMenuEntry<T>>? menuEntries, PopupMenuItemBuilder<T>? itemBuilder, T? initialValue, PopupMenuItemSelected<T>? onSelected, PopupMenuCanceled? onCanceled, String? tooltip, double? elevation, EdgeInsetsGeometry? padding, double? splashRadius, Widget? child, Widget? icon, double? iconSize, Offset? offset, bool? enabled, ShapeBorder? shape, Color? color, bool? enableFeedback, BoxConstraints? constraints, PopupMenuPosition? position, String? inTooltip()?, double? inElevation()?, EdgeInsetsGeometry? inPadding()?, double? inSplashRadius()?, Widget? inChild()?, Widget? inIcon()?, double? inIconSize()?, Offset? inOffset()?, bool? inEnabled()?, ShapeBorder? inShape()?, Color? inColor()?, bool? inEnableFeedback()?, BoxConstraints? inConstraints()?, PopupMenuPosition? inPosition()?})
Supply all the properties to instantiate a custom PopupMenuButton.
const

Properties

child → Widget?
If provided, child is the widget used for this button
final
color → Color?
If provided, the background color used for the menu.
final
constraints → BoxConstraints?
Optional size constraints for the menu.
final
elevation → double?
The z-coordinate at which to place the menu when open. This controls the size of the shadow below the menu.
final
enabled → bool?
Whether this popup menu button is interactive.
final
enableFeedback → bool?
Whether detected gestures should provide acoustic and/or haptic feedback.
final
hashCode → int
The hash code for this object.
no setterinherited
icon → Widget?
If provided, the icon is used for this button
final
iconSize → double?
The size of the icon.
final
inChild → Widget? Function()?
'in Parameters' function
final
inColor → Color? Function()?
'in Parameters' function
final
inConstraints → BoxConstraints? Function()?
'in Parameters' function
final
inElevation → double? Function()?
'in Parameters' function
final
inEnabled → bool? Function()?
'in Parameters' function
final
inEnableFeedback → bool? Function()?
'in Parameters' function
final
inIcon → Widget? Function()?
'in Parameters' function
final
inIconSize → double? Function()?
'in Parameters' function
final
initialValue → T?
The value of the menu item, if any, that should be highlighted when the menu opens.
final
inOffset → Offset? Function()?
'in Parameters' function
final
inPadding → EdgeInsetsGeometry? Function()?
'in Parameters' function
final
inPosition → PopupMenuPosition? Function()?
'in Parameters' function
final
inShape → ShapeBorder? Function()?
'in Parameters' function
final
inSplashRadius → double? Function()?
'in Parameters' function
final
inTooltip → String? Function()?
'in Parameters' function
final
itemBuilder → PopupMenuItemBuilder<T>?
The item builder if no List is available.
final
items → List<T>?
List of menu items to appear in the popup menu.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
Optional list of PopupMenuEntries to appear in the popup menu.
final
Optional list of PopupMenuEntries to appear in the popup menu. Initialized only when the getter is accessed!
no setter
offset → Offset?
The offset applied to the Popup Menu Button. When not set, the Popup Menu Button will be positioned directly next to the button that was used to create it.
final
onCanceled → PopupMenuCanceled?
Called when the user dismisses the popup menu without selecting an item.
final
onSelected → PopupMenuItemSelected<T>?
Called when a menu item is selected.
final
padding → EdgeInsetsGeometry?
Matches IconButton's 8 dps padding by default. In some cases, notably where this button appears as the trailing element of a list item, it's useful to be able to set the padding to zero.
final
position → PopupMenuPosition?
Whether the popup menu is positioned over or under the popup menu button.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
shape → ShapeBorder?
If provided, the shape used for the menu.
final
splashRadius → double?
The splash radius.If null, default splash radius of InkWell or IconButton is used.
final
tooltip → String?
Text that describes the action that will occur when the button is pressed.
final

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
canceled() → void
Called when the user dismisses the popup menu without selecting an item.
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
onChild() → Widget?
The widget used for this button
onColor() → Color?
The background color used for the menu
onConstraints() → BoxConstraints?
Make the menu wider than the default maximum width
onElevation() → double?
This controls the size of the shadow below the menu.
onEnabled() → bool?
Whether this popup menu button is interactive
onEnableFeedback() → bool?
Whether detected gestures should provide acoustic and/or haptic feedback
onIcon() → Widget?
The icon is used for this button
onIconSize() → double?
the size of the Icon.
onInitialValue() → T?
The value of the menu item, if any, that should be highlighted when the menu opens.
onItemBuilder(BuildContext context) → List<PopupMenuEntry<T>>
onItems() → List<T>?
List of menu items to appear in the popup menu.
onOffset() → Offset?
The offset is applied relative to the initial position
onPadding() → EdgeInsetsGeometry?
In some cases, it's useful to be able to set the padding to zero.
onPosition() → PopupMenuPosition?
Whether the menu is positioned over or under the popup menu button PopupMenuPosition.over or PopupMenuPosition.under
onShape() → ShapeBorder?
The shape used for the menu
onSplashRadius() → double?
The splash radius. If null, default splash radius of InkWell or IconButton is used.
onTooltip() → String?
Text that describes the action that will occur when the button is pressed.
selected(T value) → void
Called when the user selects a value from the popup menu created by this button.
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