path: root/wgpu/src/renderer/button.rs

use crate::{Primitive, Renderer};
use iced_native::{
    button, Align, Background, Button, Color, Layout, Length, Node, Point,
    Style,
};

impl button::Renderer for Renderer {
    fn node<Message>(&self, button: &Button<Message, Self>) -> Node {
        let style = Style::default()
            .width(button.width)
            .padding(button.padding)
            .min_width(Length::Units(100))
            .align_self(button.align_self)
            .align_items(Align::Stretch);

        Node::with_children(style, vec![button.content.node(self)])
    }

    fn draw<Message>(
        &mut self,
        button: &Button<Message, Self>,
        layout: Layout<'_>,
        cursor_position: Point,
    ) -> Self::Primitive {
        let bounds = layout.bounds();

        Primitive::Group {
            primitives: vec![
                Primitive::Quad {
                    bounds,
                    background: button.background.unwrap_or(Background::Color(
                        Color {
                            r: 0.8,
                            b: 0.8,
                            g: 0.8,
                            a: 1.0,
                        },
                    )),
                    border_radius: button.border_radius,
                },
                button.content.draw(
                    self,
                    layout.children().next().unwrap(),
                    cursor_position,
                ),
            ],
        }
    }
}