class ContentPanel;
class TimelineView;
class TimelineTimeAxisView;
+class TimelineReelsView;
class Timeline : public wxPanel
{
boost::weak_ptr<Film> _film;
TimelineViewList _views;
boost::shared_ptr<TimelineTimeAxisView> _time_axis_view;
+ boost::shared_ptr<TimelineReelsView> _reels_view;
int _tracks;
boost::optional<double> _pixels_per_second;
bool _left_down;