Use scoped window timeout

src/actions.cpp

@@ -2895,8 +2895,7 @@ void seek(SearchDirection sd)
 	unsigned songpos = Status::State::elapsedTime();
 	auto t = Timer;
 
-	int old_timeout = wFooter->getTimeout();
-	wFooter->setTimeout(BaseScreen::defaultWindowTimeout);
+	NC::Window::ScopedTimeout stimeout{*wFooter, BaseScreen::defaultWindowTimeout};
 	
 	// Accept single action of a given type or action chain for which all actions
 	// can be run and one of them is of the given type. This will still not work
@@ -3007,8 +3006,6 @@ void seek(SearchDirection sd)
 	}
 	SeekingInProgress = false;
 	Mpd.Seek(Status::State::currentSongPosition(), songpos);
-	
-	wFooter->setTimeout(old_timeout);
 }
 
 void findItem(const SearchDirection direction)

src/curses/window.h

@@ -254,6 +254,25 @@ struct Window
 		PromptHook m_hook;
 	};
 
+	struct ScopedTimeout
+	{
+		ScopedTimeout(Window &w, int new_timeout)
+			: m_w(w)
+		{
+			m_timeout = w.getTimeout();
+			w.setTimeout(new_timeout);
+		}
+
+		~ScopedTimeout()
+		{
+			m_w.setTimeout(m_timeout);
+		}
+
+	private:
+		Window &m_w;
+		int m_timeout;
+	};
+
 	Window() : m_window(nullptr) { }
 	
 	/// Constructs an empty window with given parameters