RoundedBackgroundText class
Creates a paragraph with rounded background.
See also:
- RichText, which this widget uses to render text.
- TextPainter, which is used to calculate the line metrics.
- TextStyle, used to customize the text look and feel.
- RoundedBackgroundTextPainter, the painter used to draw the background.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- RoundedBackgroundText
Constructors
- RoundedBackgroundText(String text, {Key? key, TextStyle? style, TextDirection? textDirection, TextAlign? textAlign, Color? backgroundColor, TextWidthBasis? textWidthBasis, String? ellipsis, Locale? locale, StrutStyle? strutStyle, TextScaler textScaler = TextScaler.noScaling, int? maxLines, TextHeightBehavior? textHeightBehavior, double innerRadius = kDefaultInnerRadius, double outerRadius = kDefaultOuterRadius})
- Creates a rounded background text with a single style.
- RoundedBackgroundText.rich({Key? key, required InlineSpan text, TextDirection? textDirection, Color? backgroundColor, TextAlign? textAlign, TextWidthBasis? textWidthBasis, String? ellipsis, Locale? locale, StrutStyle? strutStyle, TextScaler textScaler = TextScaler.noScaling, int? maxLines, TextHeightBehavior? textHeightBehavior, double innerRadius = kDefaultInnerRadius, double outerRadius = kDefaultOuterRadius})
-
Creates a rounded background text based on an InlineSpan, that can have
multiple styles
const
Properties
- backgroundColor → Color?
-
The text background color.
final
- ellipsis → String?
-
The string used to ellipsize overflowing text.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- innerRadius → double
-
The radius of the inner corners.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- locale → Locale?
-
Used to select a font when the same Unicode character can
be rendered differently, depending on the locale.
final
- maxLines → int?
-
An optional maximum number of lines for the text to span, wrapping if necessary.
If the text exceeds the given number of lines, it will be truncated.
final
- outerRadius → double
-
The radius of the inner corners.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- strutStyle → StrutStyle?
-
The strut style to use. Strut style defines the strut, which sets minimum
vertical layout metrics.
final
- text → InlineSpan
-
The text to display in this widget.
final
- textAlign → TextAlign?
-
How the text should be aligned horizontally.
final
- textDirection → TextDirection?
-
The directionality of the text.
final
- textHeightBehavior → TextHeightBehavior?
-
final
- textScaler → TextScaler
-
The number of font pixels for each logical pixel.
final
- textWidthBasis → TextWidthBasis?
-
Defines how to measure the width of the rendered text.
final
Methods
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
override
-
createElement(
) → StatelessElement -
Creates a StatelessElement to manage this widget's location in the tree.
inherited
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of
DiagnosticsNodeobjects 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
Static Methods
-
selectable(
String text, {Key? key, FocusNode? focusNode, bool autofocus = false, TextSelectionControls? selectionControls, TextStyle? style, TextDirection? textDirection, Color? backgroundColor, TextAlign textAlign = TextAlign.start, TextWidthBasis? textWidthBasis, TextScaler textScaler = TextScaler.noScaling, double innerRadius = kDefaultInnerRadius, double outerRadius = kDefaultOuterRadius, double cursorWidth = 2.0, Color? cursorColor, double? cursorHeight, Radius? cursorRadius, SelectionChangedCallback? onSelectionChanged, bool enableInteractiveSelection = true, String? semanticsLabel, TextMagnifierConfiguration? magnifierConfiguration}) → Widget - Creates a selectable RoundedBackgroundText
-
selectableRich(
TextSpan textSpan, {Key? key, FocusNode? focusNode, bool autofocus = false, TextSelectionControls? selectionControls, TextDirection? textDirection, Color? backgroundColor, TextAlign textAlign = TextAlign.start, TextWidthBasis? textWidthBasis, TextScaler textScaler = TextScaler.noScaling, double innerRadius = kDefaultInnerRadius, double outerRadius = kDefaultOuterRadius, double cursorWidth = 2.0, Color? cursorColor, double? cursorHeight, Radius? cursorRadius, SelectionChangedCallback? onSelectionChanged, bool enableInteractiveSelection = true, String? semanticsLabel, TextMagnifierConfiguration? magnifierConfiguration}) → Widget - Creates a selectable RoundedBackgroundText that can have multiple styles