cursive/examples/radio.rs

extern crate cursive;

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();
}