RulerPicker class

RulerPicker 标尺选择器 width 必须是具体的值，包括父级container的width，不能是 double.infinity， 可以传入MediaQuery.of(context).size.width

Inheritance

Constructors

RulerPicker({required ValueChangedCallback onValueChanged, required double width, required double height, required String onBuildRulerScaleText(int index, num rulerScaleValue), List<RulerRange> ranges = const [], double rulerMarginTop = 0, List<ScaleLineStyle> scaleLineStyleList = const [ScaleLineStyle(scale: 0, color: Color.fromARGB(255, 188, 194, 203), width: 2, height: 32), ScaleLineStyle(color: Color.fromARGB(255, 188, 194, 203), width: 1, height: 20)], TextStyle rulerScaleTextStyle = const TextStyle(color: Color.fromARGB(255, 188, 194, 203), fontSize: 14), Widget? marker, Color rulerBackgroundColor = Colors.white, RulerPickerController? controller})

Properties

controller → RulerPickerController?
final
hashCode → int
The hash code for this object.
no setterinherited
height → double
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
marker → Widget?
final
onBuildRulerScaleText → String Function(int index, num rulerScaleValue)
final
onValueChanged → ValueChangedCallback
final
ranges → List<RulerRange>
final
rulerBackgroundColor → Color
final
rulerMarginTop → double
final
rulerScaleTextStyle → TextStyle
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scaleLineStyleList → List<ScaleLineStyle>
final
width → double
final

Methods

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