patina/examples/table_layout.rs

use patina::{
    prelude::*,
    ui::{UIControlMsg, UIHandle},
    widget,
};

struct TableWindow {
    root: widget::PlainGroup<Self>,
}

impl TableWindow {
    fn new(uih: &mut UIHandle) -> Self {
        let mut group = widget::PlainGroup::new_table(uih);
        group.extend(
            vec![
                Box::new(widget::Spacer::new(uih)) as Box<dyn Widget<Self>>,
                Box::new(widget::Spacer::new(uih)),
            ]
            .into_iter(),
        );
        Self { root: group }
    }
}

impl Component for TableWindow {
    type ParentMsg = UIControlMsg;
    type Msg = ();

    fn process(&mut self, _msg: Self::Msg) -> Vec<Self::ParentMsg> {
        vec![UIControlMsg::Terminate]
    }
}

impl WindowComponent for TableWindow {
    fn map_window_event(&self, we: patina::window::WindowEvent) -> Option<Self::Msg> {
        match we {
            patina::window::WindowEvent::CloseRequested => Some(()),
            _ => None,
        }
    }

    type RootWidget = widget::PlainGroup<Self>;
    fn root_widget(&self) -> &Self::RootWidget {
        &self.root
    }
    fn root_widget_mut(&mut self) -> &mut Self::RootWidget {
        &mut self.root
    }
}

fn main() {
    patina::ui::make_opinionated_ui(TableWindow::new).run();
}