mirui 0.27.5

A lightweight, no_std ECS-driven UI framework for embedded, desktop, and WebAssembly
Documentation 
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use super::attach_to_parent;
#[cfg(feature = "std")]
use crate::app::{App, RendererFactory};
use crate::ecs::{Entity, World};
use crate::prelude::*;
#[cfg(feature = "std")]
use crate::surface::Surface;

fn header(world: &mut World, parent: Entity) -> Entity {
    ui! {
        :(
            parent: parent
            world: world
        :)

        View (
            bg_color: Color::rgb(88, 166, 255),
            height: 40,
            text: "Hello xrune!",
            border_radius: 8
        ) {}
    }
}

fn button_row(world: &mut World, parent: Entity) -> Entity {
    ui! {
        :(
            parent: parent
            world: world
        :)

        Row (direction: FlexDirection::Row, grow: 1.0) {
            View (bg_color: Color::rgb(63, 185, 80), grow: 1.0, text: "OK", border_radius: 6) {}
            View (bg_color: Color::rgb(248, 81, 73), grow: 1.0, text: "Cancel", border_radius: 6) {}
            View (bg_color: Color::rgb(210, 168, 255), grow: 1.0, text: "Maybe", border_radius: 6) {}
        }
    }
}

fn footer(world: &mut World, parent: Entity) -> Entity {
    ui! {
        :(
            parent: parent
            world: world
        :)

        View (
            bg_color: Color::rgb(50, 50, 70),
            height: 30,
            text: "Built with mirui + xrune"
        ) {}
    }
}

pub fn build_widgets(world: &mut World, parent: Entity) -> Entity {
    let root = WidgetBuilder::new(world)
        .bg_color(Color::rgb(30, 30, 46))
        .layout(LayoutStyle {
            direction: FlexDirection::Column,
            width: Dimension::px(480),
            height: Dimension::px(320),
            ..Default::default()
        })
        .id();
    header(world, root);
    button_row(world, root);
    footer(world, root);
    attach_to_parent(world, parent, root);
    root
}

#[cfg(feature = "std")]
pub fn setup_app<B, F>(app: &mut App<B, F>, parent: Entity) -> Entity
where
    B: Surface,
    F: RendererFactory<B>,
{
    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();
        let root = build_widgets(&mut world, parent);
        assert_ne!(root, parent);
        assert!(
            world
                .get::<Children>(parent)
                .is_some_and(|c| c.0.contains(&root)),
        );
    }
}