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use std::io::Stdout;
use tui::{
backend::{Backend, CrosstermBackend},
layout::Rect,
Frame,
};
use super::*;
/// An [`Element`] is an instantiated [`Component`].
pub struct Element<'a, Message, B = CrosstermBackend<Stdout>>
where
B: Backend,
{
component: Box<dyn Component<Message, B> + 'a>,
}
impl<'a, Message, B> Element<'a, Message, B>
where
B: Backend,
{
pub fn new<C: Component<Message, B> + 'a>(component: C) -> Self {
Self {
component: Box::new(component),
}
}
/// Draws the element.
pub fn draw(&mut self, context: DrawContext<'_>, frame: &mut Frame<'_, B>) {
self.component.draw(context, frame)
}
/// How an element should react to an [`Event`].
pub fn on_event(&mut self, area: Rect, event: Event, messages: &mut Vec<Message>) -> Status {
self.component.on_event(area, event, messages)
}
/// How an element should size itself and its children, given some [`Bounds`].
pub fn layout(&self, bounds: Bounds, node: &mut LayoutNode) -> Size {
self.component.layout(bounds, node)
}
}
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