add keybinding for previous track

README.md

@@ -43,6 +43,7 @@ have them configurable.
 * Tracks and playlists can be played using `Return` and queued using `Space`
 * `Shift-p` toggles playback of a track
 * `Shift-s` stops a track
+* `<` and `>` play the previous or next track, respectively
 * `q` quits ncspot
 
 You can also open a Vim style commandprompt using `:`, the following commands
@@ -51,7 +52,7 @@ are supported:
 * `quit`: Quit ncspot
 * `toggle`: Toggle playback
 * `stop`: Stop playback
-* `next`: Play next track
+* `previous`/`next`: Play previous/next track
 * `clear`: Clear playlist
 
 The screens can be opened with `queue`, `search`, `playlists` and `log`, whereas

src/main.rs

@@ -224,6 +224,18 @@ fn main() {
         );
     }
 
+    {
+        let queue = queue.clone();
+        cmd_manager.register(
+            "previous",
+            Vec::new(),
+            Box::new(move |_s, _args| {
+                queue.lock().expect("could not lock queue").previous();
+                Ok(None)
+            }),
+        );
+    }
+
     {
         let queue = queue.clone();
         cmd_manager.register(
@@ -315,6 +327,7 @@ fn main() {
     register_keybinding(&mut cursive, &event_manager, 'q', "quit");
     register_keybinding(&mut cursive, &event_manager, 'P', "toggle");
     register_keybinding(&mut cursive, &event_manager, 'S', "stop");
+    register_keybinding(&mut cursive, &event_manager, '<', "previous");
     register_keybinding(&mut cursive, &event_manager, '>', "next");
     register_keybinding(&mut cursive, &event_manager, 'c', "clear");