Revert "proxy song list: remove highlight"

Highlight is too good not to have.
This reverts commit 9cbcf61fac.

src/actions.cpp

@@ -379,11 +379,11 @@ void ScrollUpArtist::run()
 		std::string artist = s->getArtist();
 		while (pos > 0)
 		{
-			myScreen->scroll(NC::Scroll::Up);
 			s = pl.getSong(--pos);
 			if (!s || s->getArtist() != artist)
 				break;
 		}
+		pl.highlight(pos);
 	}
 }
 
@@ -404,11 +404,11 @@ void ScrollUpAlbum::run()
 		std::string album = s->getAlbum();
 		while (pos > 0)
 		{
-			myScreen->scroll(NC::Scroll::Up);
 			s = pl.getSong(--pos);
 			if (!s || s->getAlbum() != album)
 				break;
 		}
+		pl.highlight(pos);
 	}
 }
 
@@ -429,11 +429,11 @@ void ScrollDownArtist::run()
 		std::string artist = s->getArtist();
 		while (pos < pl.size() - 1)
 		{
-			myScreen->scroll(NC::Scroll::Down);
 			s = pl.getSong(++pos);
 			if (!s || s->getArtist() != artist)
 				break;
 		}
+		pl.highlight(pos);
 	}
 }
 
@@ -454,11 +454,11 @@ void ScrollDownAlbum::run()
 		std::string album = s->getAlbum();
 		while (pos < pl.size() - 1)
 		{
-			myScreen->scroll(NC::Scroll::Down);
 			s = pl.getSong(++pos);
 			if (!s || s->getAlbum() != album)
 				break;
 		}
+		pl.highlight(pos);
 	}
 }
 

src/proxy_song_list.h

@@ -43,6 +43,7 @@ class ProxySongList
 		virtual bool empty() = 0;
 		virtual size_t size() = 0;
 		virtual size_t choice() = 0;
+		virtual void highlight(size_t pos) = 0;
 		
 		virtual bool isSelected(size_t pos) = 0;
 		virtual void setSelected(size_t pos, bool selected) = 0;
@@ -64,6 +65,7 @@ class ProxySongList
 		virtual bool empty() { return m_menu.empty(); }
 		virtual size_t size() { return m_menu.size(); }
 		virtual size_t choice() { return m_menu.choice(); }
+		virtual void highlight(size_t pos) { m_menu.highlight(pos); }
 		
 		virtual bool isSelected(size_t pos) {
 			assert(pos < m_menu.size());
@@ -110,6 +112,7 @@ public:
 	bool empty() const { return m_impl->empty(); }
 	size_t size() const { return m_impl->size(); }
 	size_t choice() const { return m_impl->choice(); }
+	void highlight(size_t pos) const { m_impl->highlight(pos); }
 	
 	bool isSelected(size_t pos) const { return m_impl->isSelected(pos); }
 	void setSelected(size_t pos, bool selected) const { m_impl->setSelected(pos, selected); }