mirui 0.28.0

A lightweight, no_std ECS-driven UI framework for embedded, desktop, and WebAssembly
Documentation 
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extern crate alloc;

#[cfg(feature = "std")]
use crate::app::{App, RendererFactory};
use crate::components::{Placeholder, TextInput};
use crate::ecs::{Entity, World};
#[cfg(feature = "std")]
use crate::plugins::{FpsSummaryPlugin, StdInstantClockPlugin};
use crate::prelude::*;
#[cfg(feature = "std")]
use crate::surface::Surface;
use crate::widget::Style;

pub fn build_widgets(world: &mut World, parent: Entity) {
    if let Some(style) = world.get_mut::<Style>(parent) {
        style.bg_color = Some(Color::rgb(20, 20, 30).into());
        style.layout = LayoutStyle {
            direction: FlexDirection::Column,
            width: Dimension::px(480),
            height: Dimension::px(200),
            padding: Padding {
                top: Dimension::px(40),
                left: Dimension::px(40),
                right: Dimension::px(40),
                bottom: Dimension::px(40),
            },
            grow: Fixed::ONE,
            ..Default::default()
        };
    }

    ui! {
        :(
            parent: parent
            world: world
        :)

        View (
            bg_color: Color::rgb(40, 40, 56),
            border_color: Color::rgb(80, 80, 100),
            border_radius: 4,
            width: 400,
            height: 28
        ) [
            TextInput::new(),
            Placeholder("type something..."),
        ] {}
    };
}

#[cfg(feature = "std")]
pub fn setup_app<B, F>(app: &mut App<B, F>, parent: Entity)
where
    B: Surface,
    F: RendererFactory<B>,
{
    app.add_plugin(StdInstantClockPlugin)
        .add_plugin(FpsSummaryPlugin::default());
    build_widgets(&mut app.world, parent);
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::widget::Children;
    use crate::widget::IdMap;
    use crate::widget::builder::WidgetBuilder;

    #[test]
    fn build_widgets_smoke() {
        let mut world = World::new();
        world.insert_resource(IdMap::new());
        let parent = WidgetBuilder::new(&mut world).id();
        build_widgets(&mut world, parent);
        assert!(
            world
                .get::<Children>(parent)
                .is_some_and(|c| !c.0.is_empty()),
        );
    }
}