TextArea class - widgets library

Constructors

TextArea({TextAreaModel? model, TextAreaController? controller, String? prompt, String? placeholder, int? width, int height = 6, bool showLineNumbers = true, int? charLimit, bool softWrap = true, bool? useVirtualCursor, TextAreaStyles? styles, TextAreaKeyMap? keyMap, CursorModel? cursor, TextChangedCallback? onChanged, FocusController? focusController, String? focusId, bool autofocus = false, bool enabled = true, int mouseXOffset = 0, String? zoneId, Key? key})

Properties

accessibilityLabel → String?: Optional accessibility label.
no setterinherited
accessibilityRole → String: Optional accessibility role.
no setterinherited
autofocus → bool: Whether to request focus on first build.
final
charLimit → int?: Maximum characters allowed (0 = unlimited).
final
children → List<Widget>: Child widgets that receive forwarded messages.
no setterinherited
controller → TextAreaController?: Optional controller to hold textarea state.
final
cursor → CursorModel?: Optional cursor model. Defaults to a static cursor.
final
debugRenderObjectPassthrough → bool: Whether this widget is intentionally transparent to render-object layouts.
no setterinherited
degradationSignal → WidgetDegradationSignal: Signal that controls this widget's render budget behavior.
no setterinherited
enabled → bool: Whether input is enabled.
final
focusable → bool: Whether this widget can receive keyboard focus.
no setterinherited
focusController → FocusController?: Optional focus controller for focus coordination.
final
focusId → String?: Optional focus identifier.
final
hashCode → int: The hash code for this object.
no setterinherited
height → int: Visible textarea height in rows.
final
id → String: Unique identifier for this widget.
no setterinherited
key → Key?: Key for preserving widget identity.
finalinherited
keyMap → TextAreaKeyMap?: Optional key bindings.
final
model → TextAreaModel?: Optional model to use for textarea behavior.
final
mouseXOffset → int: Optional horizontal offset correction for mouse hit coordinates.
final
onChanged → TextChangedCallback?: Called when the text changes.
final
placeholder → String?: Placeholder text when the textarea is empty.
final
prompt → String?: Prompt displayed before each line.
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
showLineNumbers → bool: Whether to show line numbers.
final
softWrap → bool: Whether to soft-wrap long lines.
final
styles → TextAreaStyles?: Styles used for focused/blurred textarea rendering.
final
theme → Theme: Access the current theme.
no setterinherited
useVirtualCursor → bool?: Whether to render a virtual cursor.
final
width → int?: Explicit textarea width in cells.
final
zoneId → String?: Optional zone id for mouse interactions.
final

Methods

buildCachedView<T>(T builder(), Object? cacheKey) → T: Returns a cached view if the cache key matches.
inherited
createState() → State<StatefulWidget>: Creates the mutable State associated with this widget.
override
handleInit() → Cmd?: Override this instead of init for widget-specific initialization.
inherited
handleIntercept(Msg msg) → (Widget, Cmd?): Override this to handle messages before they reach children.
inherited
handleUpdate(Msg msg) → (Widget, Cmd?): Override this to handle messages specific to this widget.
inherited
init() → Cmd?: Called once when the widget is first mounted.
inherited
invalidateCachedView() → void: Clears any cached view for this widget.
inherited
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
shouldRenderAt(DegradationLevel degradationLevel, {required bool subtreeHasFocusedWidget}) → bool: Whether this widget should participate in the current render when degradationLevel is active.
inherited
toString() → String: A string representation of this object.
inherited
update(Msg msg) → (Model, Cmd?): Handles messages by forwarding to children then calling handleUpdate.
inherited
view() → Object: Renders the widget to a string or View.
inherited

Operators

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