always trigger a cursive event when a queue event is generated

src/events.rs

@@ -7,6 +7,7 @@ pub enum Event {
 
 pub type EventSender = Sender<Event>;
 
+#[derive(Clone)]
 pub struct EventManager {
     tx: EventSender,
     rx: Receiver<Event>,
@@ -28,8 +29,9 @@ impl EventManager {
         self.rx.try_iter()
     }
 
-    pub fn sink(&mut self) -> EventSender {
-        self.tx.clone()
+    pub fn send(&self, event: Event) {
+        self.tx.send(event);
+        self.trigger();
     }
 
     pub fn trigger(&self) {

src/main.rs

@@ -84,7 +84,7 @@ fn main() {
     };
 
     let cfg = config::load(path.to_str().unwrap()).expect("could not load configuration file");
-    let queue = Arc::new(Mutex::new(queue::Queue::new(event_manager.sink())));
+    let queue = Arc::new(Mutex::new(queue::Queue::new(event_manager.clone())));
 
     let spotify = Arc::new(spotify::Spotify::new(
         cfg.username,
@@ -115,10 +115,10 @@ fn main() {
     });
 
     {
-        let event_sink = event_manager.sink();
+        let event_manager = event_manager.clone();
         cursive.add_global_callback(Key::F2, move |s| {
             s.set_screen(queuescreen);
-            event_sink.send(Event::QueueUpdate);
+            event_manager.clone().send(Event::QueueUpdate);
         });
     }
 

src/queue.rs

@@ -3,22 +3,22 @@ use std::collections::VecDeque;
 
 use rspotify::spotify::model::track::FullTrack;
 
-use events::{Event, EventSender};
+use events::{Event, EventManager};
 
 pub struct Queue {
     queue: VecDeque<FullTrack>,
-    ev_sink: EventSender,
+    ev: EventManager,
 }
 
 impl Queue {
-    pub fn new(ev_sink: EventSender) -> Queue {
+    pub fn new(ev: EventManager) -> Queue {
         Queue {
             queue: VecDeque::new(),
-            ev_sink: ev_sink,
+            ev: ev,
         }
     }
     fn send_event(&self) {
-        self.ev_sink.send(Event::QueueUpdate);
+        self.ev.send(Event::QueueUpdate);
     }
     pub fn remove(&mut self, index: usize) -> Option<FullTrack> {
         match self.queue.remove(index) {

src/ui/queue.rs

@@ -56,8 +56,6 @@ impl QueueView {
                     s.load(trackid);
                     s.play();
                     queue_ref.lock().unwrap().remove(index);
-                    // TODO: update view representation, preferably, queue changes
-                    // cause a view refresh
                 });
                 queuelist.add_child("", button);
             }