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

use crate::{progress_bar::StyleSheet, Primitive, Renderer};
use iced_native::{progress_bar, Color, MouseCursor, Rectangle};

impl progress_bar::Renderer for Renderer {
    type Style = Box<dyn StyleSheet>;

    const DEFAULT_HEIGHT: u16 = 30;

    fn draw(
        &self,
        bounds: Rectangle,
        range: std::ops::RangeInclusive<f32>,
        value: f32,
        style_sheet: &Self::Style,
    ) -> Self::Output {
        let style = style_sheet.style();

        let (range_start, range_end) = range.into_inner();
        let active_progress_width = bounds.width
            * ((value - range_start) / (range_end - range_start).max(1.0));

        let background = Primitive::Group {
            primitives: vec![Primitive::Quad {
                bounds: Rectangle { ..bounds },
                background: style.background,
                border_radius: style.border_radius,
                border_width: 0,
                border_color: Color::TRANSPARENT,
            }],
        };

        let bar = Primitive::Quad {
            bounds: Rectangle {
                width: active_progress_width,
                ..bounds
            },
            background: style.bar,
            border_radius: style.border_radius,
            border_width: 0,
            border_color: Color::TRANSPARENT,
        };

        (
            Primitive::Group {
                primitives: vec![background, bar],
            },
            MouseCursor::OutOfBounds,
        )
    }
}