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Diffstat (limited to 'gtk2_ardour/editor_drag.cc')
| -rw-r--r-- | gtk2_ardour/editor_drag.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gtk2_ardour/editor_drag.cc b/gtk2_ardour/editor_drag.cc index f8047868f4..0463061f19 100644 --- a/gtk2_ardour/editor_drag.cc +++ b/gtk2_ardour/editor_drag.cc @@ -522,6 +522,8 @@ RegionMotionDrag::y_movement_allowed (int delta_track, layer_t delta_layer) cons void RegionMotionDrag::motion (GdkEvent* event, bool first_move) { + assert (!_views.empty ()); + /* Find the TimeAxisView that the pointer is now over */ pair<TimeAxisView*, int> const tv = _editor->trackview_by_y_position (_drags->current_pointer_y ()); |