StackDrawCase class

  • 绘制对象
  • Draw object
Inheritance

Constructors

StackDrawCase.new({Key? key, required StackDrawItem item, Widget? background, dynamic onPaint(List<PaintContent> contents)?, dynamic onPointerDown(PointerDownEvent pde)?, dynamic onPointerMove(PointerMoveEvent pme)?})
const

Properties

background → Widget?
  • 背景
  • background
    • final
    hashCode → int
    The hash code for this object.
    no setterinherited
    item → StackDrawItem
  • StackDrawItem
    • final
    key → Key?
    Controls how one widget replaces another widget in the tree.
    finalinherited
    onPaint → dynamic Function(List<PaintContent> contents)?
  • 抬起时的回调当前的所以内容
  • Callback to the current content when lifted
    • final
    onPointerDown → dynamic Function(PointerDownEvent pde)?
  • 开始拖动
  • Start dragging
    • final
    onPointerMove → dynamic Function(PointerMoveEvent pme)?
  • 正在拖动
  • Dragging
    • final
    runtimeType → Type
    A representation of the runtime type of the object.
    no setterinherited

    Methods

    createElement() → StatefulElement
    Creates a StatefulElement to manage this widget's location in the tree.
    inherited
    createState() → State<StackDrawCase>
    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, 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