9991a89428
change : let active_progress_width = bounds.width * ((value - range_start) / (range_end - range_start).max(1.0)) to : let active_progress_width = bounds.width * ((value - range_start) / (range_end - range_start).max(f32::EPSILON)).max(0.0).min(1.0)
71 lines
2.2 KiB
Rust
71 lines
2.2 KiB
Rust
//! Allow your users to visually track the progress of a computation.
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//!
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//! A [`ProgressBar`] has a range of possible values and a current value,
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//! as well as a length, height and style.
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use crate::{Backend, Primitive, Renderer};
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use iced_native::mouse;
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use iced_native::progress_bar;
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use iced_native::{Color, Rectangle};
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pub use iced_style::progress_bar::{Style, StyleSheet};
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/// A bar that displays progress.
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///
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/// This is an alias of an `iced_native` progress bar with an
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/// `iced_wgpu::Renderer`.
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pub type ProgressBar<Backend> = iced_native::ProgressBar<Renderer<Backend>>;
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impl<B> progress_bar::Renderer for Renderer<B>
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where
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B: Backend,
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{
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type Style = Box<dyn StyleSheet>;
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const DEFAULT_HEIGHT: u16 = 30;
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fn draw(
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&self,
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bounds: Rectangle,
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range: std::ops::RangeInclusive<f32>,
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value: f32,
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style_sheet: &Self::Style,
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) -> Self::Output {
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let style = style_sheet.style();
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let (range_start, range_end) = range.into_inner();
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let active_progress_width = bounds.width
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* ((value - range_start) / (range_end - range_start).max(f32::EPSILON)).max(0.0).min(1.0);
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let background = Primitive::Group {
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primitives: vec![Primitive::Quad {
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bounds: Rectangle { ..bounds },
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background: style.background,
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border_radius: style.border_radius,
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border_width: 0.0,
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border_color: Color::TRANSPARENT,
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}],
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};
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(
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if active_progress_width > 0.0 {
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let bar = Primitive::Quad {
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bounds: Rectangle {
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width: active_progress_width,
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..bounds
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},
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background: style.bar,
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border_radius: style.border_radius,
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border_width: 0.0,
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border_color: Color::TRANSPARENT,
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};
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Primitive::Group {
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primitives: vec![background, bar],
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}
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} else {
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background
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},
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mouse::Interaction::default(),
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)
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}
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}
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