fixed cover-grid selection and queuing behavior, added "clear queue" button

backend/events/events.go

@@ -49,6 +49,7 @@ const (
 	RequestRemoveTracksFromQueue = "RequestRemoveTracksFromQueue"
 	RequestInsertTracksAtIndex   = "RequestInsertTracksAtIndex"
 	RequestMoveQueueTracks       = "RequestMoveQueueTracks"
+	RequestClearQueue            = "RequestClearQueue"
 )
 
 // Config events.

backend/queue/queue.go

@@ -294,6 +294,15 @@ func (q *Queue) registerEventHandlers() {
 			q.handleMoveQueueTracks(data...)
 		},
 	)
+
+	runtime.EventsOn(
+		q.ctx,
+		events.RequestClearQueue,
+		func(_ ...any) {
+			q.logger.Info("Received RequestClearQueue")
+			q.Clear()
+		},
+	)
 }
 
 // handleSetQueue processes the RequestSetQueue event payload.