CustomPopupMenuButton<T> class
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- CustomPopupMenuButton
Constructors
-
CustomPopupMenuButton({Key? key, required PopupMenuItemBuilder<
T> itemBuilder, T? initialValue, PopupMenuItemSelected<T> ? onSelected, PopupMenuCanceled? onCanceled, String? tooltip, double? elevation, EdgeInsetsGeometry padding = const EdgeInsets.all(8.0), Widget? child, double? splashRadius, Widget? icon, double? iconSize, Offset offset = Offset.zero, bool enabled = true, ShapeBorder? shape, Color? color, Color? hoverColor, bool? enableFeedback, BoxConstraints? constraints, PopupMenuPosition position = PopupMenuPosition.over, Color? backgroundIconColor, EdgeInsets? iconPadding}) -
Creates a button that shows a popup menu.
const
Properties
- backgroundIconColor → Color?
-
final
- child → Widget?
-
If provided, child is the widget used for this button
and the button will utilize an InkWell for taps.
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
- hoverColor → Color?
-
final
- icon → Widget?
-
If provided, the icon is used for this button
and the button will behave like an IconButton.
final
- iconPadding → EdgeInsets?
-
final
- iconSize → double?
-
If provided, the size of the Icon.
final
- initialValue → T?
-
The value of the menu item, if any, that should be highlighted when the menu opens.
final
-
itemBuilder
→ PopupMenuItemBuilder<
T> -
Called when the button is pressed to create the items to show in the menu.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- offset → Offset
-
The offset is applied relative to the initial position
set by the position.
final
- onCanceled → PopupMenuCanceled?
-
Called when the user dismisses the popup menu without selecting an item.
final
-
onSelected
→ PopupMenuItemSelected<
T> ? -
Called when the user selects a value from the popup menu created by this button.
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.
final
- tooltip → String?
-
Text that describes the action that will occur when the button is pressed.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → CustomPopupMenuButtonState< T> -
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