bevy_simple_text_input 0.10.0

//! An example showing a more advanced implementation with focus.

use bevy::{prelude::*, ui::FocusPolicy};
use bevy_simple_text_input::{
    TextInput, TextInputInactive, TextInputPlaceholder, TextInputPlugin, TextInputSystem,
    TextInputTextColor, TextInputTextFont,
};

const BORDER_COLOR_ACTIVE: Color = Color::srgb(0.75, 0.52, 0.99);
const BORDER_COLOR_INACTIVE: Color = Color::srgb(0.25, 0.25, 0.25);
const TEXT_COLOR: Color = Color::srgb(0.9, 0.9, 0.9);
const BACKGROUND_COLOR: Color = Color::srgb(0.15, 0.15, 0.15);

fn main() {
    App::new()
        .add_plugins(DefaultPlugins)
        .add_plugins(TextInputPlugin)
        .add_systems(Startup, setup)
        .add_systems(Update, focus.before(TextInputSystem))
        .run();
}

fn setup(mut commands: Commands) {
    commands.spawn(Camera2d);

    commands
        .spawn((
            Node {
                width: Val::Percent(100.0),
                height: Val::Percent(100.0),
                align_items: AlignItems::Center,
                justify_content: JustifyContent::Center,
                ..default()
            },
            // Make this container node bundle to be Interactive so that clicking on it removes
            // focus from the text input.
            Interaction::None,
        ))
        .with_children(|parent| {
            parent.spawn((
                Node {
                    width: Val::Px(200.0),
                    border: UiRect::all(Val::Px(5.0)),
                    padding: UiRect::all(Val::Px(5.0)),
                    ..default()
                },
                BorderColor(BORDER_COLOR_INACTIVE),
                BackgroundColor(BACKGROUND_COLOR),
                // Prevent clicks on the input from also bubbling down to the container
                // behind it
                FocusPolicy::Block,
                TextInput,
                TextInputTextFont(TextFont {
                    font_size: 34.,
                    ..default()
                }),
                TextInputTextColor(TextColor(TEXT_COLOR)),
                TextInputPlaceholder {
                    value: "Click Me".to_string(),
                    ..default()
                },
                TextInputInactive(true),
            ));
        });
}

fn focus(
    query: Query<(Entity, &Interaction), Changed<Interaction>>,
    mut text_input_query: Query<(Entity, &mut TextInputInactive, &mut BorderColor)>,
) {
    for (interaction_entity, interaction) in &query {
        if *interaction == Interaction::Pressed {
            for (entity, mut inactive, mut border_color) in &mut text_input_query {
                if entity == interaction_entity {
                    inactive.0 = false;
                    *border_color = BORDER_COLOR_ACTIVE.into();
                } else {
                    inactive.0 = true;
                    *border_color = BORDER_COLOR_INACTIVE.into();
                }
            }
        }
    }
}