gantz_egui 0.2.0

UI traits and widgets that make up the GUI for gantz, an environment for creative systems.
Documentation 
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use crate::{NodeCtx, NodeUi, Registry, widget::node_inspector};
use gantz_core::node;

impl NodeUi for gantz_core::node::graph::Outlet {
    fn name(&self, _: &dyn Registry) -> &str {
        "out"
    }

    fn ui(
        &mut self,
        ctx: NodeCtx,
        uictx: egui_graph::NodeCtx,
    ) -> egui::InnerResponse<egui::Response> {
        uictx.framed(|ui| {
            let name = self.name(ctx.registry());
            let ix = outlet_ix(ctx.path(), ctx.outlets());
            let text = format!("{}[{}]", name, ix);
            ui.add(egui::Label::new(text).selectable(false))
        })
    }

    fn inspector_rows(&mut self, ctx: &mut NodeCtx, body: &mut egui_extras::TableBody) {
        let row_h = node_inspector::table_row_h(body.ui_mut());
        body.row(row_h, |mut row| {
            row.col(|ui| {
                ui.label("index");
            });
            row.col(|ui| {
                let ix = outlet_ix(ctx.path(), ctx.outlets());
                ui.label(format!("{ix}"));
            });
        });
    }
}

/// Determine the outlet's index.
///
/// Outlets are ordered by their appearance within the graph indices.
fn outlet_ix(path: &[node::Id], outlets: &[node::Id]) -> usize {
    let id = path.last().expect("outlet must have non-outlet path");
    outlets
        .iter()
        .position(|in_id| id == in_id)
        .expect("outlet ID must exist")
}