+ _position->Enable (e);
+ _full_length->Enable (e);
+ _trim_start->Enable (e);
+ _trim_end->Enable (e);
+ _play_length->Enable (e);
+ _video_frame_rate->Enable (e);
+
+ DCPTime const ph = _viewer->position ();
+ bool any_over_ph = false;
+ BOOST_FOREACH (shared_ptr<const Content> i, _parent->selected ()) {
+ if (i->position() <= ph && ph < i->end()) {
+ any_over_ph = true;
+ }