121 lines
4.1 KiB
Rust
121 lines
4.1 KiB
Rust
use orbtk::prelude::*;
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#[derive(Copy, Clone)]
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enum ProgressEvent {
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Advance(f64),
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Reset,
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SetToFull,
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}
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#[derive(Default, AsAny)]
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struct MainViewState {
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action: Option<ProgressEvent>,
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}
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widget!(MainView<MainViewState>);
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impl MainViewState {
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fn action(&mut self, action: impl Into<Option<ProgressEvent>>) {
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self.action = action.into();
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}
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}
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impl State for MainViewState {
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fn update(&mut self, _: &mut Registry, ctx: &mut Context<'_>) {
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if let Some(action) = self.action {
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match action {
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ProgressEvent::Advance(amount) => {
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let old_width = ctx.child("pgbar").clone_or_default::<f64>("val");
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let new_width = old_width + amount;
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// Set the ProgressBar's val property to the calculated percentage
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// (whereas 0.0 means 0 %, and 1.0 means 100 %) to advance the progress
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ctx.child("pgbar").set::<f64>("val", new_width);
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}
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ProgressEvent::Reset => {
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ctx.child("pgbar").set::<f64>("val", 0.0);
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}
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ProgressEvent::SetToFull => {
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ctx.child("pgbar").set::<f64>("val", 1.0);
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}
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}
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self.action = None;
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}
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}
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}
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impl Template for MainView {
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fn template(self, id: Entity, ctx: &mut BuildContext) -> Self {
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self.child(
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Stack::new()
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.h_align("center")
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.margin((16.0, 16.0, 16.0, 16.0))
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.spacing(8.0)
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.child(
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ProgressBar::new()
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.id("pgbar")
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.val(0.0)
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.width(512.0)
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.build(ctx),
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)
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.child(
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Stack::new()
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.h_align("center")
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.spacing(8.0)
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.child(
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Button::new()
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.text("Progress by 25%")
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.width(256.0)
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.on_click(move |states, _| -> bool {
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states
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.get_mut::<MainViewState>(id)
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.action(ProgressEvent::Advance(0.25));
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true
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})
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.build(ctx),
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)
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.child(
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Button::new()
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.text("Reset")
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.width(256.0)
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.on_click(move |states, _| -> bool {
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states
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.get_mut::<MainViewState>(id)
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.action(ProgressEvent::Reset);
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true
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})
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.build(ctx),
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)
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.child(
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Button::new()
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.text("Set to 100%")
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.width(256.0)
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.on_click(move |states, _| -> bool {
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states
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.get_mut::<MainViewState>(id)
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.action(ProgressEvent::SetToFull);
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true
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})
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.build(ctx),
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)
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.build(ctx),
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)
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.build(ctx),
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)
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}
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}
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fn main() {
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Application::new()
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.window(|ctx| {
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Window::new()
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.title("OrbTk - ProgressBar example")
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.position((0.0, 0.0))
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.size(720.0, 576.0)
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.borderless(false)
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.resizeable(true)
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.child(MainView::new().build(ctx))
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.build(ctx)
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})
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.run();
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}
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