renderers library

Renderer contracts for Headless components.

Classes

HeadlessRendererPolicy
Optional renderer policy for stricter contracts in debug/test.
RAutocompleteSelectedValuesCommands
Commands for rendering and interacting with selected values (multi-select).
RAutocompleteSelectedValuesOverrides
Per-instance overrides for selected values rendering (contract level).
RAutocompleteSelectedValuesRenderer
Renderer capability for selected values display (multi-select autocomplete).
RAutocompleteSelectedValuesRenderRequest
RButtonCallbacks
Callback references for button rendering (visual-only).
RButtonContentContext
Context for the button content slot.
RButtonIconContext
Context for the button icon slots.
RButtonMotionTokens
Motion tokens for button visual transitions.
RButtonOverrides
Per-instance override contract for Button components.
RButtonRenderer
Renderer capability for Button components.
RButtonRendererTokenMode
Optional renderer extension that declares resolved-tokens usage.
RButtonRenderRequest
Render request containing everything a button renderer needs.
RButtonResolvedTokens
Resolved visual tokens for button rendering.
RButtonSemantics
Semantic information for button accessibility.
RButtonSlots
Button slots for partial customization (Replace/Decorate/Enhance).
RButtonSpec
Button specification (static, from widget props).
RButtonSpinnerContext
Context for the button spinner slot.
RButtonState
Button interaction state.
RButtonSurfaceContext
Context for the button surface slot.
RButtonTokenResolver
Token resolver capability for Button components.
RCheckboxBoxContext
Context for checkbox box slot.
RCheckboxListTileCheckboxContext
Context for the checkbox indicator slot.
RCheckboxListTileMotionTokens
Motion tokens for checkbox list tile visual transitions.
RCheckboxListTileOverrides
Per-instance override contract for CheckboxListTile components.
RCheckboxListTileRenderer
Renderer capability for CheckboxListTile components.
RCheckboxListTileRenderRequest
Render request containing everything a checkbox list tile renderer needs.
RCheckboxListTileResolvedTokens
Resolved visual tokens for checkbox list tile rendering.
RCheckboxListTileSecondaryContext
Context for the secondary slot.
RCheckboxListTileSemantics
Semantic information for checkbox list tile accessibility.
RCheckboxListTileSlots
Slots for checkbox list tile parts (Replace/Decorate/Enhance).
RCheckboxListTileSpec
Checkbox list tile specification (static, from widget props).
RCheckboxListTileState
Checkbox list tile interaction state.
RCheckboxListTileTextContext
Context for title/subtitle slots.
RCheckboxListTileTileContext
Context for the list tile slot (wraps the default ListTile).
RCheckboxListTileTokenResolver
Token resolver capability for CheckboxListTile components.
RCheckboxMarkContext
Context for checkbox mark slot.
RCheckboxMotionTokens
Motion tokens for checkbox visual transitions.
RCheckboxOverrides
Per-instance override contract for Checkbox components.
RCheckboxPressOverlayContext
Context for checkbox press overlay slot.
RCheckboxRenderer
Renderer capability for Checkbox components.
RCheckboxRenderRequest
Render request containing everything a checkbox renderer needs.
RCheckboxResolvedTokens
Resolved visual tokens for checkbox rendering.
RCheckboxSemantics
Semantic information for checkbox accessibility.
RCheckboxSlots
Checkbox slots for partial customization (Replace/Decorate/Enhance).
RCheckboxSpec
Checkbox specification (static, from widget props).
RCheckboxState
Checkbox interaction state.
RCheckboxTokenResolver
Token resolver capability for Checkbox components.
RDropdownAnchorContext
Context for the anchor (trigger button) slot.
RDropdownButtonRenderer
Renderer capability for DropdownButton components.
RDropdownButtonSlots
Dropdown slots for partial customization (Replace/Decorate pattern).
RDropdownButtonSpec
Dropdown specification (static, from widget props).
RDropdownButtonState
Dropdown interaction state.
RDropdownChevronContext
Context for the chevron slot inside the trigger.
RDropdownCommands
Commands for dropdown interactions (internal component API).
RDropdownItemContentContext
Context for item content inside the menu item.
RDropdownItemContext
Context for an individual menu item slot.
RDropdownItemTokens
Resolved tokens for dropdown menu items.
RDropdownMenuContext
Context for the menu slot.
RDropdownMenuMotionTokens
Motion tokens for dropdown menu open/close.
RDropdownMenuRenderRequest
Render request for the dropdown menu (overlay).
RDropdownMenuSurfaceContext
Context for the menu surface (background/container) slot.
RDropdownMenuTokens
Resolved tokens for the dropdown menu surface.
RDropdownOverrides
Per-instance override contract for Dropdown components.
RDropdownRenderRequest
Render request containing everything a dropdown renderer needs.
RDropdownResolvedTokens
Resolved visual tokens for dropdown rendering.
RDropdownSemantics
Semantic information for dropdown accessibility.
RDropdownTokenResolver
Token resolver capability for Dropdown components.
RDropdownTriggerRenderRequest
Render request for the dropdown trigger (anchor).
RDropdownTriggerTokens
Resolved tokens for the dropdown trigger button.
RenderOverrides
Per-instance override bag for renderers and token resolvers.
RenderOverridesDebugTracker
Debug-only tracker for consumed override types.
RSwitchListTileMotionTokens
Motion tokens for switch list tile visual transitions.
RSwitchListTileOverrides
Per-instance override contract for SwitchListTile components.
RSwitchListTileRenderer
Renderer capability for SwitchListTile components.
RSwitchListTileRenderRequest
Render request containing everything a switch list tile renderer needs.
RSwitchListTileResolvedTokens
Resolved visual tokens for switch list tile rendering.
RSwitchListTileSecondaryContext
Context for the secondary slot.
RSwitchListTileSemantics
Semantic information for switch list tile accessibility.
RSwitchListTileSlots
Slots for switch list tile parts (Replace/Decorate/Enhance).
RSwitchListTileSpec
Switch list tile specification (static, from widget props).
RSwitchListTileState
Switch list tile interaction state.
RSwitchListTileSwitchContext
Context for the switch indicator slot.
RSwitchListTileTextContext
Context for title/subtitle slots.
RSwitchListTileTileContext
Context for the list tile slot (wraps the default ListTile).
RSwitchListTileTokenResolver
Token resolver capability for SwitchListTile components.
RSwitchMotionTokens
Motion tokens for switch visual transitions.
RSwitchOverrides
Per-instance override contract for Switch components.
RSwitchPressOverlayContext
Context for switch press overlay slot.
RSwitchRenderer
Renderer capability for Switch components.
RSwitchRenderRequest
Render request containing everything a switch renderer needs.
RSwitchResolvedTokens
Resolved visual tokens for switch rendering.
RSwitchSemantics
Semantic information for switch accessibility.
RSwitchSlots
Switch slots for partial customization (Replace/Decorate/Enhance).
RSwitchSpec
Switch specification (static, from widget props).
RSwitchState
Switch interaction state.
RSwitchThumbContext
Context for switch thumb slot.
RSwitchTokenResolver
Token resolver capability for Switch components.
RSwitchTrackContext
Context for switch track slot.
RTextFieldCommands
Commands for TextField renderer (v1).
RTextFieldOverrides
Per-instance overrides for TextField components (contract level).
RTextFieldRenderer
Renderer capability for TextField components.
RTextFieldRenderRequest
Render request containing everything a text field renderer needs.
RTextFieldResolvedTokens
Resolved visual tokens for TextField rendering.
RTextFieldSemantics
Semantic information for TextField accessibility (v1).
RTextFieldSlots
TextField slots for partial customization (Replace/Decorate pattern).
RTextFieldSpec
TextField specification (static, from widget props).
RTextFieldState
TextField interaction state.
RTextFieldTokenResolver
Token resolver capability for TextField components.
SafeDropdownChevronContext
SafeDropdownEmptyStateContext
SafeDropdownItemContentContext
SafeDropdownItemContext
SafeDropdownMenuSurfaceContext
SafeDropdownRenderer
Safe scaffold for full dropdown renderer customization.
SafeDropdownTriggerContext

Enums

RAutocompleteSelectedValuesPresentation
Presentation style for selected values (multi-select).
RButtonSize
Button size variants.
RButtonVariant
Button visual variants.
RCheckboxControlAffinity
Placement of the checkbox relative to text content.
RDropdownSize
Dropdown size variants.
RDropdownVariant
Dropdown visual variants.
ROverlayPhase
Overlay lifecycle phases.
RSwitchControlAffinity
Placement of the switch relative to text content.
RTextFieldOverlayVisibilityMode
Visibility mode for overlay elements in text fields (prefix, suffix, clear button).
RTextFieldVariant
TextField visual variants.

Functions

mergeOverridesWithFallbacks({required RenderOverrides? base, required List<RenderOverrides?> fallbacks}) RenderOverrides?
Merge multiple sugar layers into overrides with POLA priority.
mergeStyleIntoOverrides<TStyle, TOverride extends Object>({required TStyle? style, required RenderOverrides? overrides, required TOverride toOverride(TStyle)}) RenderOverrides?
Merge a simple style object into RenderOverrides with POLA priority.