Struct orbtk_widgets::ScrollViewerState

pub struct ScrollViewerState { /* fields omitted */ }

The ScrollViewerState handles the ScrollViewer widget.

Trait Implementations

impl AsAny for ScrollViewerState

fn as_any(&self) -> &dyn Any

fn as_any_mut(&mut self) -> &mut dyn Any

impl Default for ScrollViewerState

fn default() -> ScrollViewerState

Returns the "default value" for a type.

impl State for ScrollViewerState

fn update(&mut self, _: &mut Registry, ctx: &mut Context<'_>)

Updates the state of a widget before layout is calculated for the given context when the widget becomes "dirty", (e.g.: a property of a widget is changed or an [event] is fired)

fn init(&mut self, _registry: &mut Registry, _ctx: &mut Context<'_>)

Init is used for setting up the initial state of a widget, setting up fields to starting values and registering service(s). It is called after the widget is created.

fn cleanup(&mut self, _registry: &mut Registry, _ctx: &mut Context<'_>)

Used to cleanup the state and is called after window close is requested. # Arguments * _registry: Provides access to the global Service Registry. * _ctx: Represents the context of the current widget.Allows manipulation of the widget tree.

fn update_post_layout(
    &mut self,
    _registry: &mut Registry,
    _ctx: &mut Context<'_>
)

Updates the state after layout is calculated and before rendering for the given context when the widget becomes "dirty", (e.g.: a property of a widget is changed, or an [event] is fired)