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, 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