}
+double EDL::next_edit(double position)
+{
+ Units::fix_double(&position);
+ double new_position = tracks->total_length();
+
+ double max_rate = get_frame_rate();
+ int sample_rate = get_sample_rate();
+ if( sample_rate > max_rate ) max_rate = sample_rate;
+ double min_movement = max_rate > 0 ? 1. / max_rate : 1e-6;
+
+// Test for edit handles after position
+ for( Track *track=tracks->first; track; track=track->next ) {
+ if( !track->record ) continue;
+ for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
+ double edit_end = track->from_units(edit->startproject + edit->length);
+ Units::fix_double(&edit_end);
+ if( fabs(edit_end-position) < min_movement ) continue;
+ if( edit_end > position && edit_end < new_position )
+ new_position = edit_end;
+ }
+ }
+ return new_position;
+}
+
+double EDL::prev_edit(double position)
+{
+ Units::fix_double(&position);
+ double new_position = -1;
+
+ double max_rate = get_frame_rate();
+ int sample_rate = get_sample_rate();
+ if( sample_rate > max_rate ) max_rate = sample_rate;
+ double min_movement = max_rate > 0 ? 1. / max_rate : 1e-6;
+
+// Test for edit handles before cursor position
+ for( Track *track=tracks->first; track; track=track->next ) {
+ if( !track->record ) continue;
+ for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
+ double edit_end = track->from_units(edit->startproject);
+ Units::fix_double(&edit_end);
+ if( fabs(edit_end-position) < min_movement ) continue;
+ if( edit_end < position && edit_end > new_position )
+ new_position = edit_end;
+ }
+ }
+ return new_position;
+}
+