StreamSheetHeaderStyle class

Visual styling properties for a StreamSheetHeader.

Defines the appearance of the header including padding, spacing, title and subtitle text styles, and the default button style for the leading and trailing slots.

Exposed separately from StreamSheetHeaderThemeData so other theme data classes can embed a sheet-header style via a typed field.

{@tool snippet}

Compose a style and hand it to a sheet header theme:

StreamSheetHeaderStyle(
  padding: EdgeInsets.symmetric(horizontal: 16, vertical: 12),
  spacing: 8,
  leadingStyle: StreamButtonThemeStyle.from(
    backgroundColor: colors.backgroundSurfaceSubtle,
  ),
)

{@end-tool}

See also:

• StreamSheetHeaderThemeData, which wraps this style for theming.
• StreamSheetHeader, which uses this styling.

Annotations

• @themeGen
• @immutable

Constructors

StreamSheetHeaderStyle({EdgeInsetsGeometry? padding, double? spacing, TextStyle? titleTextStyle, TextStyle? subtitleTextStyle, StreamButtonThemeStyle? leadingStyle, StreamButtonThemeStyle? trailingStyle})

Creates a sheet header style with optional property overrides.

const

Properties

canMerge → bool

no setter, inherited

hashCode → int

The hash code for this object.

no setter, inherited

leadingStyle → StreamButtonThemeStyle?

The button style for any StreamButton rendered in StreamSheetHeader.leading.

final

padding → EdgeInsetsGeometry?

The padding around the header's content row.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

spacing → double?

The horizontal space between the leading, heading, and trailing slots.

final

subtitleTextStyle → TextStyle?

The text style for StreamSheetHeader.subtitle.

final

titleTextStyle → TextStyle?

The text style for StreamSheetHeader.title.

final

trailingStyle → StreamButtonThemeStyle?

The button style for any StreamButton rendered in StreamSheetHeader.trailing.

final

Methods

copyWith({EdgeInsetsGeometry? padding, double? spacing, TextStyle? titleTextStyle, TextStyle? subtitleTextStyle, StreamButtonThemeStyle? leadingStyle, StreamButtonThemeStyle? trailingStyle}) → StreamSheetHeaderStyle

inherited

merge(StreamSheetHeaderStyle? other) → StreamSheetHeaderStyle

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

lerp(StreamSheetHeaderStyle? a, StreamSheetHeaderStyle? b, double t) → StreamSheetHeaderStyle?

Linearly interpolate between two StreamSheetHeaderStyle objects.