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feat(progress_bar): improve determinate animations

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Switches to using a critically damped spring animation, which prevents issues with rapid progress updates, and is generally smoother.
This commit is contained in:
Vukašin Vojinović 2026-06-23 18:30:28 +02:00 • committed by GitHub
parent 6e116097c0
commit 76bc13ff40
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GPG key ID: B5690EEEBB952194
3 changed files with 57 additions and 62 deletions
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18
examples/application/src/main.rs
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@ -84,6 +84,7 @@ pub enum Message {
Hi2,
Hi3,
Tick,
ValueChanged(f32),
}
/// The [`App`] stores application-specific state.
@ -95,6 +96,7 @@ pub struct App {
hidden: bool,
keybinds: HashMap<KeyBind, Action>,
progress: f32,
progress_slider: f32,
}
/// Implement [`cosmic::Application`] to integrate with COSMIC.
@ -137,6 +139,7 @@ impl cosmic::Application for App {
hidden: true,
keybinds: HashMap::new(),
progress: 0.0,
progress_slider: 0.0,
};
let command = app.update_title();
@ -185,6 +188,9 @@ impl cosmic::Application for App {
Message::Tick => {
self.progress = (self.progress + 0.01) % 1.0;
}
Message::ValueChanged(value) => {
self.progress_slider = value;
}
}
Task::none()
}
@ -201,7 +207,7 @@ impl cosmic::Application for App {
.map_or("No page selected", String::as_str);
let centered = widget::container(
widget::column::with_capacity(14)
widget::column::with_capacity(16)
.push(widget::text::body(page_content))
.push(
widget::text_input::text_input("", &self.input_1)
@ -240,6 +246,16 @@ impl cosmic::Application for App {
widget::progress_bar::linear::Linear::new()
.girth(10.0)
.progress(self.progress)
.width(Length::Fill),
)
.push(
widget::slider(0.0..=1.0, self.progress_slider, Message::ValueChanged)
.step(0.001),
)
.push(
widget::progress_bar::linear::Linear::new()
.girth(10.0)
.progress(self.progress_slider)
.width(Length::Fill)
.markers([0.25, 0.5, 0.75])
.segment_spacing(2),