LyricWidgetState class Null safety

Inheritance

Constructors

LyricWidgetState()

Properties

context → BuildContext
The location in the tree where this widget builds.
read-onlyinherited
currLyricStyle ↔ TextStyle?
read / write
currRemarkLyricStyle ↔ TextStyle?
read / write
draggingLyricStyle ↔ TextStyle?
read / write
draggingRemarkLyricStyle ↔ TextStyle?
read / write
hashCode → int
The hash code for this object.
read-onlyinherited
lyricMaxWidth ↔ double?
read / write
lyrics ↔ List<Lyric>
read / write
lyricStyle ↔ TextStyle?
read / write
lyricTextPaints ↔ List<TextPainter>
read / write
mounted → bool
Whether this State object is currently in a tree.
read-onlyinherited
remarkLyrics ↔ List<Lyric>?
read / write
remarkStyle ↔ TextStyle?
read / write
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited
subLyricTextPaints ↔ List<TextPainter>
read / write
totalHeight ↔ double
read / write
widget → LyricWidget
The current configuration.
read-onlyinherited

Methods

activate() → void
Called when this object is reinserted into the tree after having been removed via deactivate.
inherited
animationScrollY(dynamic currentLyricIndex, TickerProvider tickerProvider) → dynamic
build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
buildCustomPaint() → CustomPaint
cancelTimer() → void
computeScrollY(int curLine) → double
计算传入行和第一行的偏移量
deactivate() → void
Called when this object is removed from the tree.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
didChangeDependencies() → void
Called when a dependency of this State object changes.
inherited
didUpdateWidget(covariant LyricWidget oldWidget) → void
Called whenever the widget configuration changes.
override
dispose() → void
Called when this object is removed from the tree permanently.
inherited
findLyricIndexByDuration(Duration curDuration, List<Lyric> lyrics) → int
getCurrentDraggingLine(double offset) → int
getNotEmptyLineHeight(List<Lyric> lyrics) → int
因空行高度与非空行高度不一致，获取非空行的位置
initLyricList() → void
initState() → void
Called when this object is inserted into the tree.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
reassemble() → void
Called whenever the application is reassembled during debugging, for example during hot reload.
inherited
resetDragging() → void
setLyricList(List<Lyric> lyrics, {List<Lyric>? remarkLyrics}) → void
setState(VoidCallback fn) → void
Notify the framework that the internal state of this object has changed.
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
toStringShort() → String
A brief description of this object, usually just the runtimeType and the hashCode.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited