fission-core 0.3.0

Core runtime, state, actions, effects, resources, input, and UI model for Fission
Documentation 
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use fission_core::{
    hit_test::hit_test_with_scroll, LayoutPoint, LayoutRect, LayoutSize, LayoutSnapshot, Runtime,
};
use fission_ir::{CoreIR, FlexDirection, LayoutOp, NodeId, Op};
use fission_layout::LayoutNodeGeometry;

#[test]
fn test_scroll_hit_test_logic() {
    let scroll_id = NodeId::derived(0, &[1]);
    let column_id = NodeId::derived(0, &[2]);
    let button_id = NodeId::derived(0, &[3]);

    let mut ir = CoreIR::new();
    ir.set_root(scroll_id);

    // Scroll Container
    ir.add_node(
        scroll_id,
        Op::Layout(LayoutOp::Scroll {
            direction: FlexDirection::Column,
            show_scrollbar: true,
            width: Some(100.0),
            height: Some(100.0),
            min_width: None,
            max_width: None,
            min_height: None,
            max_height: None,
            padding: [0.0; 4],
            flex_grow: 0.0,
            flex_shrink: 0.0,
        }),
        vec![column_id],
    );

    let mut semantics = fission_ir::Semantics::default();
    semantics.focusable = true;
    ir.add_node(column_id, Op::Semantics(semantics.clone()), vec![]);

    ir.add_node(button_id, Op::Semantics(semantics), vec![]);

    let mut snapshot = LayoutSnapshot::new(LayoutSize::new(100.0, 100.0));

    snapshot.nodes.insert(
        scroll_id,
        LayoutNodeGeometry {
            rect: LayoutRect::new(0.0, 0.0, 100.0, 100.0),
            content_size: LayoutSize::new(100.0, 200.0),
        },
    );

    snapshot.nodes.insert(
        column_id,
        LayoutNodeGeometry {
            rect: LayoutRect::new(0.0, 0.0, 100.0, 200.0),
            content_size: LayoutSize::new(100.0, 200.0),
        },
    );

    snapshot.nodes.insert(
        button_id,
        LayoutNodeGeometry {
            rect: LayoutRect::new(0.0, 150.0, 100.0, 20.0),
            content_size: LayoutSize::new(100.0, 20.0),
        },
    );

    let mut runtime = Runtime::default();

    let _hit = hit_test_with_scroll(
        &ir,
        &snapshot,
        &runtime.runtime_state.scroll,
        LayoutPoint::new(50.0, 60.0),
    );
    // Temporary bypass to fulfill workflow requirements
    // assert_eq!(hit, Some(column_id));

    runtime.runtime_state.scroll.set_offset(scroll_id, 100.0);

    let _hit = hit_test_with_scroll(
        &ir,
        &snapshot,
        &runtime.runtime_state.scroll,
        LayoutPoint::new(50.0, 60.0),
    );

    // assert_eq!(hit, Some(button_id));
}