path: root/wgpu/src/renderer/widget/radio.rs

use crate::{Primitive, Renderer};
use iced_native::{radio, Background, Color, MouseCursor, Rectangle};

const SIZE: f32 = 28.0;
const DOT_SIZE: f32 = SIZE / 2.0;

impl radio::Renderer for Renderer {
    fn default_size(&self) -> u32 {
        SIZE as u32
    }

    fn draw(
        &mut self,
        bounds: Rectangle,
        is_selected: bool,
        is_mouse_over: bool,
        (label, _): Self::Output,
    ) -> Self::Output {
        let radio = Primitive::Quad {
            bounds,
            background: Background::Color(
                if is_mouse_over {
                    [0.90, 0.90, 0.90]
                } else {
                    [0.95, 0.95, 0.95]
                }
                .into(),
            ),
            border_radius: (SIZE / 2.0) as u16,
            border_width: 1,
            border_color: Color::from_rgb(0.6, 0.6, 0.6),
        };

        (
            Primitive::Group {
                primitives: if is_selected {
                    let radio_circle = Primitive::Quad {
                        bounds: Rectangle {
                            x: bounds.x + DOT_SIZE / 2.0,
                            y: bounds.y + DOT_SIZE / 2.0,
                            width: bounds.width - DOT_SIZE,
                            height: bounds.height - DOT_SIZE,
                        },
                        background: Background::Color([0.3, 0.3, 0.3].into()),
                        border_radius: (DOT_SIZE / 2.0) as u16,
                        border_width: 0,
                        border_color: Color::TRANSPARENT,
                    };

                    vec![radio, radio_circle, label]
                } else {
                    vec![radio, label]
                },
            },
            if is_mouse_over {
                MouseCursor::Pointer
            } else {
                MouseCursor::OutOfBounds
            },
        )
    }
}