cursive/examples/radio.rs

use cursive::views::{Dialog, DummyView, LinearLayout, RadioGroup};
use cursive::Cursive;

// This example uses radio buttons.

fn main() {
    let mut siv = Cursive::default();

    // We need to pre-create the groups for our RadioButtons.
    let mut color_group: RadioGroup<String> = RadioGroup::new();
    let mut size_group: RadioGroup<u32> = RadioGroup::new();

    siv.add_layer(
        Dialog::new()
            .title("Make your selection")
            // We'll have two columns side-by-side
            .content(
                LinearLayout::horizontal()
                    .child(
                        LinearLayout::vertical()
                            // The color group uses the label itself as stored value
                            // By default, the first item is selected.
                            .child(color_group.button_str("Red"))
                            .child(color_group.button_str("Green"))
                            .child(color_group.button_str("Blue")),
                    )
                    // A DummyView is used as a spacer
                    .child(DummyView)
                    .child(
                        LinearLayout::vertical()
                            // For the size, we store a number separately
                            .child(size_group.button(5, "Small"))
                            // The initial selection can also be overriden
                            .child(size_group.button(15, "Medium").selected())
                            // The large size is out of stock, sorry!
                            .child(size_group.button(25, "Large").disabled()),
                    ),
            )
            .button("Ok", move |s| {
                // We retrieve the stored value for both group.
                let color = color_group.selection();
                let size = size_group.selection();

                s.pop_layer();
                // And we simply print the result.
                let text = format!("Color: {}\nSize: {}cm", color, size);
                s.add_layer(Dialog::text(text).button("Ok", |s| s.quit()));
            }),
    );

    siv.run();
}