Pile de notifications toast pour Slint
KitToastHost · Slint Kit 0.3.1
Pile de notifications transitoires alimentée par une file détenue en Rust.

Essayer le composant
Télécharger le projet complet, le décompresser et lancer cargo run --locked dans son dossier. Rust 1.92+ ; Slint Kit 0.3.0 depuis crates.io. Vous pouvez aussi copier les quatre fichiers ci-dessous.
Affichez un avis d’archivage, annulez l’action ou fermez l’avis. Cet exemple conserve les avis jusqu’à une action explicite.
ui/app.slint
export { KitFormValidation, HtmlInputKind, NumberInputFormat, KitInputConstraints, KitValidationResult, KitValidityState } from "@kit/kit.slint";
// SPDX-License-Identifier: GPL-3.0-or-later
import { KitToastHost, KitButton, ToastEntry, ToastInteraction, AlertSeverity, KitTheme, KitThemes } from "@kit/kit.slint";
export component App inherits Window {
title: "KitToastHost example";
preferred-width: 520px;
preferred-height: 420px;
max-width: 100000px;
max-height: 100000px;
background: root.theme.canvas;
in-out property <KitTheme> theme: KitThemes.light;
in property <[ToastEntry]> entries;
in property <string> result: "Project archived";
callback undo(int);
callback dismiss-toast(int);
callback interaction(int, ToastInteraction, bool);
callback add();
VerticalLayout {
padding: 24px;
spacing: 16px;
alignment: start;
KitButton { theme: root.theme; text: "Show archive notice"; activated => { root.add(); } }
control := KitToastHost { theme: root.theme; entries: root.entries; action(token) => { root.undo(token); } dismiss(token) => { root.dismiss-toast(token); } interaction(token, source, engaged) => { root.interaction(token, source, engaged); } }
result := Text { text: root.result; color: root.theme.text-primary; }
}
}
src/main.rs
// SPDX-License-Identifier: GPL-3.0-or-later
use web_time::Instant;
use slint::{ComponentHandle, ModelRc, VecModel};
use slint_kit::{ToastQueue, ToastLifetime, ToastPause};
use std::{cell::RefCell, rc::Rc, num::NonZeroUsize};
mod ui { slint::include_modules!(); }
fn publish(app: &ui::App, queue: &ToastQueue<()>) {
let entries = queue.entries().map(|entry| ui::ToastEntry { token: i32::try_from(entry.id.get()).expect("view token capacity"), title: "Project archived".into(), message: "Your project can be restored.".into(), action_label: "Undo".into(), severity: ui::AlertSeverity::Success, dismissible: true }).collect::<Vec<_>>();
app.set_entries(ModelRc::new(VecModel::from(entries)));
}
fn main() -> Result<(), slint::PlatformError> {
let app = ui::App::new()?;
slint_kit::init_form_validation!(ui, app);
let epoch = Instant::now();
let queue = Rc::new(RefCell::new(ToastQueue::new(NonZeroUsize::new(3).unwrap())));
queue.borrow_mut().push((), ToastLifetime::Persistent, epoch.elapsed()).expect("toast identity");
publish(&app, &queue.borrow());
let state = queue.clone(); let weak = app.as_weak();
app.on_add(move || { state.borrow_mut().push((), ToastLifetime::Persistent, epoch.elapsed()).expect("toast identity"); if let Some(app) = weak.upgrade() { publish(&app, &state.borrow()); app.set_result("Project archived".into()); } });
let state = queue.clone(); let weak = app.as_weak();
app.on_undo(move |token| {
let id = state.borrow().entries().find(|entry| i32::try_from(entry.id.get()).ok() == Some(token)).map(|entry| entry.id);
if let Some(id) = id { state.borrow_mut().remove(id); if let Some(app) = weak.upgrade() { publish(&app, &state.borrow()); app.set_result("Archive undone".into()); } }
});
let state = queue.clone(); let weak = app.as_weak();
app.on_dismiss_toast(move |token| {
let id = state.borrow().entries().find(|entry| i32::try_from(entry.id.get()).ok() == Some(token)).map(|entry| entry.id);
if let Some(id) = id { state.borrow_mut().remove(id); if let Some(app) = weak.upgrade() { publish(&app, &state.borrow()); app.set_result("Toast dismissed".into()); } }
});
app.on_interaction(move |token, source, engaged| {
let id = queue.borrow().entries().find(|entry| i32::try_from(entry.id.get()).ok() == Some(token)).map(|entry| entry.id);
if let Some(id) = id { queue.borrow_mut().set_paused(id, match source { ui::ToastInteraction::Pointer => ToastPause::Pointer, ui::ToastInteraction::Focus => ToastPause::Focus }, engaged, epoch.elapsed()); }
});
app.run()
}
Cargo.toml et build.rs
Cargo.toml
[package]
name = "slint-kit-toast-host-example"
version = "0.1.0"
edition = "2024"
rust-version = "1.92"
license = "GPL-3.0-or-later"
publish = false
[dependencies]
web-time = "=1.1.0"
slint-kit = "=0.3.0"
slint = { version = "=1.18.1", default-features = false, features = ["std", "compat-1-18", "backend-winit", "renderer-skia", "accessibility"] }
[build-dependencies]
slint-kit-build = "=0.3.0"
[workspace]
build.rs
fn main() { slint_kit_build::compile("ui/app.slint").expect("compile component example"); }
Fichiers : Cargo.toml · build.rs · ui/app.slint · src/main.rs
Projetez les entrées de ToastQueue dans entries et relayez les callbacks d’action, fermeture et interaction. Placez la pile dans une région de fenêtre adaptée à votre application.
Chaque entrée est rendue par KitToast sans minuterie par délégué. Le propriétaire décide des durées, de l’ordre et des suppressions en conservant le temps restant après une pause.
Composition visuelle
Le fichier ci-dessous produit la capture. Pour les composants pilotés par un contrôleur, il montre l’état affiché sans fournir le branchement Rust. Créer un projet.
Afficher le fichier de la capture

// Public label overrides localize this fixture; toolkit/host defaults keep their language.
// SPDX-License-Identifier: GPL-3.0-or-later
import { AlertSeverity, KitTheme, KitThemes, KitToastHost } from "@kit/kit.slint";
export component Example inherits Window {
title: "KitToastHost — exemple";
preferred-width: 480px;
preferred-height: 390px;
max-width: 100000px;
max-height: 100000px;
background: root.theme.canvas;
in-out property <KitTheme> theme: KitThemes.light;
in-out property <string> status;
VerticalLayout {
padding: 24px; spacing: 16px; alignment: start;
Text { text: "Pile de notifications transitoires"; color: root.theme.text-primary; font-size: 20px * root.theme.text-scale; font-weight: 600; }
KitToastHost { theme: root.theme; entries: [{ token: 11, title: "Projet archivé", message: "Vos notes sont enregistrées en toute sécurité.", action-label: "Annuler", severity: AlertSeverity.success, dismissible: true }, { token: 23, title: "Invitation envoyée", message: "Jamie peut maintenant rejoindre l’espace de travail.", action-label: "", severity: AlertSeverity.information, dismissible: true }]; }
if root.status != "": Text { text: root.status; color: root.theme.text-secondary; font-size: 12px * root.theme.text-scale; wrap: word-wrap; }
}
}
API publique
Hérite de VerticalLayout.
Propriétés
| Nom | Type | Sens |
|---|---|---|
theme |
KitTheme |
in |
entries |
[ToastEntry] |
in |
Types et variantes
| Type | Déclaration |
|---|---|
enum AlertSeverity |
information, success, warning, error |
struct ToastEntry |
token: int, title: string, message: string, action-label: string, severity: AlertSeverity, dismissible: bool |
enum ToastInteraction |
pointer, focus |
Signaux
action(int)dismiss(int)interaction(int,ToastInteraction,bool)