Trait orbtk::prelude::api::widget::State

pub trait State {
    fn init(&self, _context: &mut Context) { ... }
    fn update(&self, _context: &mut Context) { ... }
    fn update_post_layout(&self, _context: &mut Context) { ... }
    fn receive_messages(&self, _context: &mut Context, _messages: &[MessageBox]) { ... }
}

Used to define a state of a widget.

A state is used to operate on the properties (components) of the widget, its parent or children.

Provided methods

fn init(&self, _context: &mut Context)

Init is used for initial setup.

fn update(&self, _context: &mut Context)

Updates the state for the given ctx.

This update method is called before layout is calculated.

fn update_post_layout(&self, _context: &mut Context)

Updates the state for the given ctx.

This update method is called after layout is calculated and before rendering.

fn receive_messages(&self, _context: &mut Context, _messages: &[MessageBox])

Receives all messages from the message channel. This message is only called if the state has messages.

Loading content...

Implementors

impl State for FocusBehaviorState

fn update(&self, ctx: &mut Context)

impl State for MouseBehaviorState

fn update(&self, ctx: &mut Context)

fn update_post_layout(&self, ctx: &mut Context)

impl State for SelectionBehaviorState

fn update(&self, ctx: &mut Context)

impl State for CursorState

fn update_post_layout(&self, ctx: &mut Context)

impl State for ItemsWidgetState

fn update(&self, ctx: &mut Context)

impl State for ListViewItemState

fn update(&self, ctx: &mut Context)

impl State for ListViewState

fn update(&self, ctx: &mut Context)

fn update_post_layout(&self, ctx: &mut Context)

impl State for ScrollIndicatorState

fn update_post_layout(&self, ctx: &mut Context)

impl State for ScrollViewerState

fn update(&self, ctx: &mut Context)

fn update_post_layout(&self, ctx: &mut Context)

impl State for SwitchState

fn update(&self, ctx: &mut Context)

impl State for TextBoxState

fn update(&self, ctx: &mut Context)

fn update_post_layout(&self, ctx: &mut Context)

Loading content...