Marks the receiver scopes that participate in the Strata declarative UI builder. The marker prevents declarations from unrelated nested Strata scopes from being used accidentally through an outer receiver.

TabSelectionIndicator

sealed interface TabSelectionIndicator

Visual indicator rendered by a selected Tab.

TextFieldState

class TextFieldState(initialValue: String = "", val maxLength: Int = 32)

Owner-thread mutable value for one single-line text field.

TextStyle

enum TextStyle : Enum<TextStyle>

Closed profile-backed color and shadow policy for text components.

UiScope

sealed class UiScope

Callback-lifetime scope used to emit immutable element descriptions. A scope is confined to the thread that constructs it and remains valid only while its enclosing component callback is running. The scope temporarily retains references to caller-owned immutable Element instances and the builder returns the exact single root instance. The protected constructor is reserved for scope implementations in this module and package, as required by Kotlin's sealed hierarchy rules. Application code cannot construct or implement this sealed scope.

VirtualListState

class VirtualListState<K : Any>(val scrollState: ScrollState = ScrollState(), initialIndex: Int? = null)

Caller-owned owner-thread navigation state shared by one VirtualList and optional independent Scrollbar.

Functions

Button

fun UiScope.Button(label: UiText, width: Int = 150, enabled: Boolean = true, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one fixed-height profile-backed pointer button.

fun UiScope.Button(label: String, width: Int = 150, enabled: Boolean = true, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one literal fixed-height profile-backed pointer button.

Checkbox

fun UiScope.Checkbox(label: UiText, state: CheckboxState, width: Int = 150, enabled: Boolean = true, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one Minecraft-profile Checkbox backed by caller-owned state.

fun UiScope.Checkbox(label: String, state: CheckboxState, width: Int = 150, enabled: Boolean = true, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Literal-label overload of Checkbox.

Column

fun UiScope.Column(modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null, spacing: Int = 0, verticalArrangement: Arrangement = Arrangement.Start, horizontalAlignment: HorizontalAlignment = HorizontalAlignment.Start, content: ColumnScope.() -> Unit)

Emits one column container with the descriptions produced by its callback.

CycleButton

fun <T : Any> UiScope.CycleButton(state: CycleButtonState<T>, width: Int = 150, enabled: Boolean = true, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null, label: (T) -> UiText = { value -> UiText.Literal(state.formatKnownMember(value)) })

Emits one finite-option Minecraft-profile CycleButton.

evaluateComponentTree

fun evaluateComponentTree(content: UiScope.() -> Unit): Element

Evaluates one component callback without installing a profile runtime.

Grid

fun UiScope.Grid(columns: Int, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null, horizontalSpacing: Int = 0, verticalSpacing: Int = 0, contentAlignment: Alignment = Alignment.TopStart, content: GridScope.() -> Unit)

Emits one fixed-column grid with the descriptions produced by its callback.

Image

fun UiScope.Image(source: ImageSource, size: IntSize? = null, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one immutable nearest-sampled image component.

fun UiScope.Image(source: ImageSource, sourceRegion: IntRect, size: IntSize = IntSize(sourceRegion.width, sourceRegion.height), modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one immutable nearest-sampled source region from an image.

LoadingIndicator

fun UiScope.LoadingIndicator(size: IntSize = IntSize(10, 4), modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits the active Minecraft profile's discrete loading animation.

PlayerHead

fun UiScope.PlayerHead(source: PlayerSkinSource = PlayerSkinSource.CurrentPlayer, size: Int = 24, showHat: Boolean = true, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null, loadingContent: UiScope.() -> Unit? = null, failureContent: UiScope.() -> Unit? = null)

Emits one square layered player head.

ProgressBar

fun UiScope.ProgressBar(progress: Double, size: IntSize = IntSize(100, 12), modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one determinate Minecraft-profile progress bar.

Row

fun UiScope.Row(modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null, spacing: Int = 0, horizontalArrangement: Arrangement = Arrangement.Start, verticalAlignment: VerticalAlignment = VerticalAlignment.Top, content: RowScope.() -> Unit)

Emits one row container with the descriptions produced by its callback.

ScrollArea

fun UiScope.ScrollArea(state: ScrollState, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null, scrollRate: Int = 9, content: UiScope.() -> Unit)

Emits one profile-backed scroll viewport containing exactly one root.

Scrollbar

fun UiScope.Scrollbar(state: ScrollState, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one independently placed profile-backed vertical scrollbar linked to state.

SelectionList

fun <T : Any, K : Any> UiScope.SelectionList(items: List<T>, keyOf: (T) -> K, state: SelectionListState<K>, viewportSize: IntSize, rowHeight: Int, canLoadLeading: Boolean = false, canLoadTrailing: Boolean = false, scrollRate: Int = 10, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null, content: UiScope.(T) -> Unit)

Emits a selectable fixed-row virtual list backed by an immutable in-memory snapshot.

Slider

fun UiScope.Slider(label: UiText, state: SliderState, width: Int = 150, enabled: Boolean = true, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one horizontal Minecraft-profile Slider backed by caller-owned state.

fun UiScope.Slider(label: String, state: SliderState, width: Int = 150, enabled: Boolean = true, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Literal-label overload of Slider.

Slot

fun UiScope.Slot(bind: SlotBinding? = null, highlightable: Boolean = true, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null, content: UiScope.() -> Unit? = null)

Emits one 18 by 18 inventory slot with an optional item root or synchronized binding.

Spacer

fun UiScope.Spacer(modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one empty spacer component.

Stack

fun UiScope.Stack(modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null, contentAlignment: Alignment = Alignment.TopStart, content: StackScope.() -> Unit)

Emits one overlay stack with the descriptions produced by its callback.

Tab

fun UiScope.Tab(label: UiText, selected: Boolean, width: Int = 150, enabled: Boolean = true, indicator: TabSelectionIndicator = TabSelectionIndicator.Underline, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one externally controlled tab.

fun UiScope.Tab(label: String, selected: Boolean, width: Int = 150, enabled: Boolean = true, indicator: TabSelectionIndicator = TabSelectionIndicator.Underline, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Literal overload of Tab with the same ownership and failure contract.

Text

fun UiScope.Text(text: UiText, style: TextStyle = TextStyle.Normal, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one single-line profile-backed text component.

fun UiScope.Text(text: String, style: TextStyle = TextStyle.Normal, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one literal single-line profile-backed text component.

TextField

fun UiScope.TextField(state: TextFieldState, enabled: Boolean = true, textStyle: TextStyle = TextStyle.TextField, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one 200 by 20 single-line text field.

fun UiScope.TextField(state: TextFieldState, size: IntSize, enabled: Boolean = true, textStyle: TextStyle = TextStyle.TextField, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null)

Emits one explicitly sized single-line text field.

VirtualList

fun <T : Any, K : Any> UiScope.VirtualList(items: List<T>, keyOf: (T) -> K, state: VirtualListState<K>, viewportSize: IntSize, rowHeight: Int, scrollRate: Int = 10, canLoadLeading: Boolean = false, canLoadTrailing: Boolean = false, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null, content: UiScope.(T) -> Unit)

Emits a fixed-row virtual viewport backed by an immutable in-memory list.

fun <T : Any, K : Any> UiScope.VirtualList(itemCount: () -> Int, itemAt: (Int) -> T, keyAt: (Int) -> K, state: VirtualListState<K>, viewportSize: IntSize, rowHeight: Int, indexOfKey: (K) -> Int?? = null, scrollRate: Int = 10, canLoadLeading: Boolean = false, canLoadTrailing: Boolean = false, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null, content: UiScope.(T) -> Unit)

Emits a fixed-row virtual viewport backed by a caller-owned dynamic indexed source.

fun <T : Any, K : Any> UiScope.VirtualList(itemCount: Int, itemAt: (Int) -> T, keyAt: (Int) -> K, state: VirtualListState<K>, viewportSize: IntSize, rowHeight: Int, indexOfKey: (K) -> Int? = { target -> (0 until itemCount).firstOrNull { index -> keyAt(index) == target } }, scrollRate: Int = 10, canLoadLeading: Boolean = false, canLoadTrailing: Boolean = false, modifier: Modifier = Modifier.Empty, key: ElementKey<*>? = null, content: UiScope.(T) -> Unit)

Emits a fixed-row virtual viewport backed by a known finite indexed source.