add 'clear playlist' keybinding

README.md

@@ -37,8 +37,10 @@ have them configurable.
   * `F1`: Debug log
   * `F2`: Queue
   * `F3`: Search
-  * `F4`: Playlists, then hit `Return` to queue all songs from the playlist
+  * `F4`: Playlists
-* Tracks can be played using `Return` and queued using `Space`
+    * `d` deletes the currently selected track
+    * `c` clears the entire playlist
+* Tracks and playlists can be played using `Return` and queued using `Space`
 * `Shift-p` toggles playback of a track
 * `Shift-s` stops a track
 * `q` quits ncspot

src/main.rs

@@ -141,6 +141,14 @@ fn main() {
         });
     }
 
+    {
+        let queue = queue.clone();
+        cursive.add_global_callback('c', move |_s| {
+            let mut queue = queue.lock().expect("could not lock queue");
+            queue.clear();
+        });
+    }
+
     let search = ui::search::SearchView::new(spotify.clone(), queue.clone());
 
     let mut playlists =

src/queue.rs

@@ -92,6 +92,14 @@ impl Queue {
         }
     }
 
+    pub fn clear(&mut self) {
+        self.stop();
+        self.queue.clear();
+
+        // redraw queue if open
+        self.ev.send(Event::Queue(QueueEvent::Show));
+    }
+
     pub fn play(&mut self, index: usize) {
         let track = &self.queue[index];
         self.spotify.load(&track);