rosace_widgets/tree/
progress_bar.rs

1use rosace_core::types::{Rect, Size};
2use rosace_render::Color;
3use super::{Widget, LayoutCtx, PaintCtx, avail_w};
4
5/// A horizontal progress bar (0.0 – 1.0).
6pub struct ProgressBar {
7    pub value: f32,
8    pub track_color: Color,
9    pub fill_color: Color,
10    pub height: f32,
11    pub radius: f32,
12    pub width: Option<f32>,
13}
14
15impl ProgressBar {
16    pub fn new(value: f32) -> Self {
17        Self {
18            value: value.clamp(0.0, 1.0),
19            track_color: Color::rgb(32, 35, 58),
20            fill_color: Color::rgb(110, 75, 210),
21            height: 6.0,
22            radius: 3.0,
23            width: None,
24        }
25    }
26    pub fn color(mut self, c: Color) -> Self { self.fill_color = c; self }
27    pub fn track_color(mut self, c: Color) -> Self { self.track_color = c; self }
28    pub fn height(mut self, h: f32) -> Self { self.height = h; self }
29    pub fn width(mut self, w: f32) -> Self { self.width = Some(w); self }
30}
31
32impl Widget for ProgressBar {
33    fn layout(&self, ctx: &LayoutCtx) -> Size {
34        let constraints = ctx.constraints;
35        Size {
36            width:  self.width.unwrap_or(avail_w(constraints)),
37            height: self.height,
38        }
39    }
40
41    fn paint(&self, ctx: &mut PaintCtx) {
42        ctx.semantics(super::Semantics::new(rosace_core::Role::ProgressBar)
43            .value(format!("{:.0}%", self.value * 100.0)));
44        use super::container::draw_rounded_rect_pub;
45        let r = ctx.rect;
46        // Track
47        draw_rounded_rect_pub(ctx,r, self.track_color, self.radius);
48        // Fill
49        if self.value > 0.001 {
50            let fill = Rect {
51                origin: r.origin,
52                size: Size { width: r.size.width * self.value, height: r.size.height },
53            };
54            draw_rounded_rect_pub(ctx,fill, self.fill_color, self.radius);
55        }
56    }
57}
rosace_widgets/tree/progress_bar.rs

rosace_widgets/tree/
progress_bar.rs
