integrated egui-toast for notification

Author: Ivan-1F

Cargo.lock

@@ -71,3 +71,4 @@ fastblur = "0.1.1"
 rfd = "0.14.1"
 futures-lite = "2.3.0"
 anyhow = "1.0.83"
+egui-toast = "0.13.0"

Cargo.toml

@@ -7,6 +7,7 @@ mod hit_sound;
 mod home;
 mod loader;
 mod misc;
+mod notification;
 mod project;
 mod score;
 mod selection;
@@ -24,7 +25,9 @@ use crate::exporter::Exporter;
 use crate::home::HomePlugin;
 use crate::misc::MiscPlugin;
 use crate::misc::WorkingDirectory;
+use crate::notification::NotificationPlugin;
 use crate::project::project_loaded;
+use crate::project::LoadProjectEvent;
 use crate::project::ProjectPlugin;
 use crate::score::ScorePlugin;
 use crate::tab::game::GameCamera;
@@ -45,7 +48,6 @@ use bevy_egui::egui::{Color32, Frame};
 use bevy_egui::{EguiContext, EguiPlugin};
 use bevy_mod_picking::prelude::*;
 use egui_dock::{DockArea, DockState, NodeIndex, Style};
-use project::LoadProjectEvent;
 
 fn main() {
     App::new()
@@ -67,6 +69,7 @@ fn main() {
         .add_plugins(FrameTimeDiagnosticsPlugin::default())
         .add_plugins(AssetsPlugin)
         .add_plugins(TranslationPlugin)
+        .add_plugins(NotificationPlugin)
         .add_systems(Startup, setup_egui_image_loader_system)
         .add_systems(Startup, setup_egui_font_system)
         .add_systems(Startup, setup_plugin)

src/main.rs

@@ -0,0 +1,44 @@
+use bevy::prelude::*;
+use bevy_egui::EguiContext;
+use egui::{Align2, WidgetText};
+use egui_toast::{Toast, ToastKind, ToastOptions, Toasts};
+
+#[derive(Resource, Deref, DerefMut)]
+pub struct ToastsStorage(Toasts);
+
+pub struct NotificationPlugin;
+
+impl Plugin for NotificationPlugin {
+    fn build(&self, app: &mut bevy::prelude::App) {
+        app.init_resource::<ToastsStorage>()
+            .add_systems(Update, show_egui_notifies);
+    }
+}
+
+pub trait ToastsExt {
+    fn error(&mut self, message: impl Into<WidgetText>);
+}
+
+impl ToastsExt for Toasts {
+    fn error(&mut self, text: impl Into<WidgetText>) {
+        self.add(Toast {
+            text: text.into(),
+            kind: ToastKind::Error,
+            options: ToastOptions::default()
+                .duration_in_seconds(8.0)
+                .show_progress(true),
+        });
+    }
+}
+
+impl Default for ToastsStorage {
+    fn default() -> Self {
+        Self(Toasts::new().anchor(Align2::RIGHT_TOP, (-10.0, 10.0)))
+    }
+}
+
+fn show_egui_notifies(mut context: Query<&mut EguiContext>, mut toasts: ResMut<ToastsStorage>) {
+    if let Ok(mut ctx) = context.get_single_mut() {
+        toasts.show(ctx.get_mut())
+    }
+}

src/notification.rs

@@ -4,9 +4,13 @@ use serde::{Deserialize, Serialize};
 
 use std::{fs::File, path::PathBuf};
 
-use crate::{loader::{phichain::PhiChainLoader, Loader}, serialzation::PhiChainChart};
+use crate::{
+    loader::{phichain::PhiChainLoader, Loader},
+    notification::{ToastsExt, ToastsStorage},
+    serialzation::PhiChainChart,
+};
 
-#[derive(Serialize, Deserialize)]
+#[derive(Debug, Serialize, Deserialize, Default)]
 pub struct ProjectMeta {
     pub composer: String,
     pub charter: String,
@@ -38,6 +42,10 @@ impl ProjectPath {
         self.0.join("music.wav")
     }
 
+    pub fn illustration_path(&self) -> PathBuf {
+        self.0.join("illustration.png")
+    }
+
     pub fn meta_path(&self) -> PathBuf {
         self.0.join("meta.json")
     }
@@ -49,6 +57,9 @@ impl ProjectPath {
         if !self.music_path().is_file() {
             bail!("music.wav is missing");
         }
+        if !self.illustration_path().is_file() {
+            bail!("illustration.png is missing");
+        }
         if !self.meta_path().is_file() {
             bail!("meta.json is missing");
         }
@@ -89,7 +100,11 @@ impl Plugin for ProjectPlugin {
 #[derive(Event, Debug)]
 pub struct LoadProjectEvent(pub PathBuf);
 
-fn load_project_system(mut commands: Commands, mut events: EventReader<LoadProjectEvent>) {
+fn load_project_system(
+    mut commands: Commands,
+    mut events: EventReader<LoadProjectEvent>,
+    mut toasts: ResMut<ToastsStorage>,
+) {
     if events.len() > 1 {
         warn!("Mutiple projects are requested, ignoring previous ones");
     }
@@ -100,9 +115,9 @@ fn load_project_system(mut commands: Commands, mut events: EventReader<LoadProje
                 let file = File::open(project.root_dir.join("chart.json")).unwrap();
                 PhiChainLoader::load(file, &mut commands);
                 commands.insert_resource(project);
-            },
+            }
             Err(error) => {
-                error!("{:?}", error)
+                toasts.error(format!("Failed to open project: {:?}", error));
             }
         }
     }