diff options
-rw-r--r-- | libs/evoral/src/ControlList.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libs/evoral/src/ControlList.cpp b/libs/evoral/src/ControlList.cpp index 8d0ac688e9..e1729483cc 100644 --- a/libs/evoral/src/ControlList.cpp +++ b/libs/evoral/src/ControlList.cpp @@ -990,6 +990,14 @@ ControlList::shift (double pos, double frames) { { Glib::Threads::RWLock::WriterLock lm (_lock); + if (frames < 0) { + /* Route::shift () with negative shift is used + * for "remove time". The time [pos.. pos-frames] is removed. + * and everyhing after, moved backwards. + * TODO: consider adding guard-points (need special-casing) + */ + erase_range_internal (pos, pos - frames, _events); + } for (iterator i = _events.begin(); i != _events.end(); ++i) { if ((*i)->when >= pos) { |