+
+void
+TimingPanel::trim_start_to_playhead_clicked ()
+{
+ DCPTime const ph = _viewer->position ();
+ optional<DCPTime> new_ph;
+
+ _viewer->set_coalesce_player_changes (true);
+
+ BOOST_FOREACH (shared_ptr<Content> i, _parent->selected ()) {
+ if (i->position() < ph && ph < i->end ()) {
+ FrameRateChange const frc = _parent->film()->active_frame_rate_change (i->position ());
+ i->set_trim_start (i->trim_start() + ContentTime (ph - i->position (), frc));
+ new_ph = i->position ();
+ }
+ }
+
+ if (new_ph) {
+ _viewer->set_position (new_ph.get());
+ }
+
+ _viewer->set_coalesce_player_changes (false);
+}
+
+void
+TimingPanel::trim_end_to_playhead_clicked ()
+{
+ DCPTime const ph = _viewer->position ();
+ BOOST_FOREACH (shared_ptr<Content> i, _parent->selected ()) {
+ if (i->position() < ph && ph < i->end ()) {
+ FrameRateChange const frc = _parent->film()->active_frame_rate_change (i->position ());
+ i->set_trim_end (ContentTime (i->position() + i->full_length() - ph - DCPTime::from_frames (1, frc.dcp), frc) - i->trim_start());
+ }
+ }
+}
+
+void
+TimingPanel::setup_sensitivity ()
+{
+ bool const e = !_parent->selected().empty ();
+
+ _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;
+ }
+ }
+
+ _trim_start_to_playhead->Enable (any_over_ph);
+ _trim_end_to_playhead->Enable (any_over_ph);
+}